Deleted Added
full compact
mpt_cam.c (168831) mpt_cam.c (169293)
1/*-
2 * FreeBSD/CAM specific routines for LSI '909 FC adapters.
3 * FreeBSD Version.
4 *
5 * Copyright (c) 2000, 2001 by Greg Ansley
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 * notice immediately at the beginning of the file, without modification,
12 * this list of conditions, and the following disclaimer.
13 * 2. The name of the author may not be used to endorse or promote products
14 * derived from this software without specific prior written permission.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR
20 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26 * SUCH DAMAGE.
27 */
28/*-
29 * Copyright (c) 2002, 2006 by Matthew Jacob
30 * All rights reserved.
31 *
32 * Redistribution and use in source and binary forms, with or without
33 * modification, are permitted provided that the following conditions are
34 * met:
35 * 1. Redistributions of source code must retain the above copyright
36 * notice, this list of conditions and the following disclaimer.
37 * 2. Redistributions in binary form must reproduce at minimum a disclaimer
38 * substantially similar to the "NO WARRANTY" disclaimer below
39 * ("Disclaimer") and any redistribution must be conditioned upon including
40 * a substantially similar Disclaimer requirement for further binary
41 * redistribution.
42 * 3. Neither the names of the above listed copyright holders nor the names
43 * of any contributors may be used to endorse or promote products derived
44 * from this software without specific prior written permission.
45 *
46 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
47 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
48 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
49 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
50 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
51 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
52 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
53 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
54 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
55 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF THE COPYRIGHT
56 * OWNER OR CONTRIBUTOR IS ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
57 *
58 * Support from Chris Ellsworth in order to make SAS adapters work
59 * is gratefully acknowledged.
60 *
61 * Support from LSI-Logic has also gone a great deal toward making this a
62 * workable subsystem and is gratefully acknowledged.
63 */
64/*-
65 * Copyright (c) 2004, Avid Technology, Inc. and its contributors.
66 * Copyright (c) 2005, WHEEL Sp. z o.o.
67 * Copyright (c) 2004, 2005 Justin T. Gibbs
68 * All rights reserved.
69 *
70 * Redistribution and use in source and binary forms, with or without
71 * modification, are permitted provided that the following conditions are
72 * met:
73 * 1. Redistributions of source code must retain the above copyright
74 * notice, this list of conditions and the following disclaimer.
75 * 2. Redistributions in binary form must reproduce at minimum a disclaimer
76 * substantially similar to the "NO WARRANTY" disclaimer below
77 * ("Disclaimer") and any redistribution must be conditioned upon including
78 * a substantially similar Disclaimer requirement for further binary
79 * redistribution.
80 * 3. Neither the names of the above listed copyright holders nor the names
81 * of any contributors may be used to endorse or promote products derived
82 * from this software without specific prior written permission.
83 *
84 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
85 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
86 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
87 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
88 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
89 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
90 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
91 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
92 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
93 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF THE COPYRIGHT
94 * OWNER OR CONTRIBUTOR IS ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
95 */
96#include <sys/cdefs.h>
1/*-
2 * FreeBSD/CAM specific routines for LSI '909 FC adapters.
3 * FreeBSD Version.
4 *
5 * Copyright (c) 2000, 2001 by Greg Ansley
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 * notice immediately at the beginning of the file, without modification,
12 * this list of conditions, and the following disclaimer.
13 * 2. The name of the author may not be used to endorse or promote products
14 * derived from this software without specific prior written permission.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR
20 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26 * SUCH DAMAGE.
27 */
28/*-
29 * Copyright (c) 2002, 2006 by Matthew Jacob
30 * All rights reserved.
31 *
32 * Redistribution and use in source and binary forms, with or without
33 * modification, are permitted provided that the following conditions are
34 * met:
35 * 1. Redistributions of source code must retain the above copyright
36 * notice, this list of conditions and the following disclaimer.
37 * 2. Redistributions in binary form must reproduce at minimum a disclaimer
38 * substantially similar to the "NO WARRANTY" disclaimer below
39 * ("Disclaimer") and any redistribution must be conditioned upon including
40 * a substantially similar Disclaimer requirement for further binary
41 * redistribution.
42 * 3. Neither the names of the above listed copyright holders nor the names
43 * of any contributors may be used to endorse or promote products derived
44 * from this software without specific prior written permission.
45 *
46 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
47 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
48 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
49 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
50 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
51 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
52 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
53 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
54 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
55 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF THE COPYRIGHT
56 * OWNER OR CONTRIBUTOR IS ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
57 *
58 * Support from Chris Ellsworth in order to make SAS adapters work
59 * is gratefully acknowledged.
60 *
61 * Support from LSI-Logic has also gone a great deal toward making this a
62 * workable subsystem and is gratefully acknowledged.
63 */
64/*-
65 * Copyright (c) 2004, Avid Technology, Inc. and its contributors.
66 * Copyright (c) 2005, WHEEL Sp. z o.o.
67 * Copyright (c) 2004, 2005 Justin T. Gibbs
68 * All rights reserved.
69 *
70 * Redistribution and use in source and binary forms, with or without
71 * modification, are permitted provided that the following conditions are
72 * met:
73 * 1. Redistributions of source code must retain the above copyright
74 * notice, this list of conditions and the following disclaimer.
75 * 2. Redistributions in binary form must reproduce at minimum a disclaimer
76 * substantially similar to the "NO WARRANTY" disclaimer below
77 * ("Disclaimer") and any redistribution must be conditioned upon including
78 * a substantially similar Disclaimer requirement for further binary
79 * redistribution.
80 * 3. Neither the names of the above listed copyright holders nor the names
81 * of any contributors may be used to endorse or promote products derived
82 * from this software without specific prior written permission.
83 *
84 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
85 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
86 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
87 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
88 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
89 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
90 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
91 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
92 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
93 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF THE COPYRIGHT
94 * OWNER OR CONTRIBUTOR IS ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
95 */
96#include <sys/cdefs.h>
97__FBSDID("$FreeBSD: head/sys/dev/mpt/mpt_cam.c 168831 2007-04-18 04:58:53Z scottl $");
97__FBSDID("$FreeBSD: head/sys/dev/mpt/mpt_cam.c 169293 2007-05-05 20:18:24Z mjacob $");
98
99#include <dev/mpt/mpt.h>
100#include <dev/mpt/mpt_cam.h>
101#include <dev/mpt/mpt_raid.h>
102
103#include "dev/mpt/mpilib/mpi_ioc.h" /* XXX Fix Event Handling!!! */
104#include "dev/mpt/mpilib/mpi_init.h"
105#include "dev/mpt/mpilib/mpi_targ.h"
106#include "dev/mpt/mpilib/mpi_fc.h"
107#if __FreeBSD_version >= 500000
108#include <sys/sysctl.h>
109#endif
110#include <sys/callout.h>
111#include <sys/kthread.h>
112
113#if __FreeBSD_version >= 700025
114#ifndef CAM_NEW_TRAN_CODE
115#define CAM_NEW_TRAN_CODE 1
116#endif
117#endif
118
119static void mpt_poll(struct cam_sim *);
120static timeout_t mpt_timeout;
121static void mpt_action(struct cam_sim *, union ccb *);
122static int
123mpt_get_spi_settings(struct mpt_softc *, struct ccb_trans_settings *);
124static void mpt_setwidth(struct mpt_softc *, int, int);
125static void mpt_setsync(struct mpt_softc *, int, int, int);
126static int mpt_update_spi_config(struct mpt_softc *, int);
127static void mpt_calc_geometry(struct ccb_calc_geometry *ccg, int extended);
128
129static mpt_reply_handler_t mpt_scsi_reply_handler;
130static mpt_reply_handler_t mpt_scsi_tmf_reply_handler;
131static mpt_reply_handler_t mpt_fc_els_reply_handler;
132static int mpt_scsi_reply_frame_handler(struct mpt_softc *, request_t *,
133 MSG_DEFAULT_REPLY *);
134static int mpt_bus_reset(struct mpt_softc *, target_id_t, lun_id_t, int);
135static int mpt_fc_reset_link(struct mpt_softc *, int);
136
137static int mpt_spawn_recovery_thread(struct mpt_softc *mpt);
138static void mpt_terminate_recovery_thread(struct mpt_softc *mpt);
139static void mpt_recovery_thread(void *arg);
140static void mpt_recover_commands(struct mpt_softc *mpt);
141
142static int mpt_scsi_send_tmf(struct mpt_softc *, u_int, u_int, u_int,
143 u_int, u_int, u_int, int);
144
145static void mpt_fc_post_els(struct mpt_softc *mpt, request_t *, int);
146static void mpt_post_target_command(struct mpt_softc *, request_t *, int);
147static int mpt_add_els_buffers(struct mpt_softc *mpt);
148static int mpt_add_target_commands(struct mpt_softc *mpt);
149static int mpt_enable_lun(struct mpt_softc *, target_id_t, lun_id_t);
150static int mpt_disable_lun(struct mpt_softc *, target_id_t, lun_id_t);
151static void mpt_target_start_io(struct mpt_softc *, union ccb *);
152static cam_status mpt_abort_target_ccb(struct mpt_softc *, union ccb *);
153static int mpt_abort_target_cmd(struct mpt_softc *, request_t *);
154static void mpt_scsi_tgt_status(struct mpt_softc *, union ccb *, request_t *,
155 uint8_t, uint8_t const *);
156static void
157mpt_scsi_tgt_tsk_mgmt(struct mpt_softc *, request_t *, mpt_task_mgmt_t,
158 tgt_resource_t *, int);
159static void mpt_tgt_dump_tgt_state(struct mpt_softc *, request_t *);
160static void mpt_tgt_dump_req_state(struct mpt_softc *, request_t *);
161static mpt_reply_handler_t mpt_scsi_tgt_reply_handler;
162
163static uint32_t scsi_io_handler_id = MPT_HANDLER_ID_NONE;
164static uint32_t scsi_tmf_handler_id = MPT_HANDLER_ID_NONE;
165static uint32_t fc_els_handler_id = MPT_HANDLER_ID_NONE;
166
167static mpt_probe_handler_t mpt_cam_probe;
168static mpt_attach_handler_t mpt_cam_attach;
169static mpt_enable_handler_t mpt_cam_enable;
170static mpt_ready_handler_t mpt_cam_ready;
171static mpt_event_handler_t mpt_cam_event;
172static mpt_reset_handler_t mpt_cam_ioc_reset;
173static mpt_detach_handler_t mpt_cam_detach;
174
175static struct mpt_personality mpt_cam_personality =
176{
177 .name = "mpt_cam",
178 .probe = mpt_cam_probe,
179 .attach = mpt_cam_attach,
180 .enable = mpt_cam_enable,
181 .ready = mpt_cam_ready,
182 .event = mpt_cam_event,
183 .reset = mpt_cam_ioc_reset,
184 .detach = mpt_cam_detach,
185};
186
187DECLARE_MPT_PERSONALITY(mpt_cam, SI_ORDER_SECOND);
188MODULE_DEPEND(mpt_cam, cam, 1, 1, 1);
189
190int
191mpt_cam_probe(struct mpt_softc *mpt)
192{
193 int role;
194
195 /*
196 * Only attach to nodes that support the initiator or target role
197 * (or want to) or have RAID physical devices that need CAM pass-thru
198 * support.
199 */
200 if (mpt->do_cfg_role) {
201 role = mpt->cfg_role;
202 } else {
203 role = mpt->role;
204 }
205 if ((role & (MPT_ROLE_TARGET|MPT_ROLE_INITIATOR)) != 0 ||
206 (mpt->ioc_page2 != NULL && mpt->ioc_page2->MaxPhysDisks != 0)) {
207 return (0);
208 }
209 return (ENODEV);
210}
211
212int
213mpt_cam_attach(struct mpt_softc *mpt)
214{
215 struct cam_devq *devq;
216 mpt_handler_t handler;
217 int maxq;
218 int error;
219
98
99#include <dev/mpt/mpt.h>
100#include <dev/mpt/mpt_cam.h>
101#include <dev/mpt/mpt_raid.h>
102
103#include "dev/mpt/mpilib/mpi_ioc.h" /* XXX Fix Event Handling!!! */
104#include "dev/mpt/mpilib/mpi_init.h"
105#include "dev/mpt/mpilib/mpi_targ.h"
106#include "dev/mpt/mpilib/mpi_fc.h"
107#if __FreeBSD_version >= 500000
108#include <sys/sysctl.h>
109#endif
110#include <sys/callout.h>
111#include <sys/kthread.h>
112
113#if __FreeBSD_version >= 700025
114#ifndef CAM_NEW_TRAN_CODE
115#define CAM_NEW_TRAN_CODE 1
116#endif
117#endif
118
119static void mpt_poll(struct cam_sim *);
120static timeout_t mpt_timeout;
121static void mpt_action(struct cam_sim *, union ccb *);
122static int
123mpt_get_spi_settings(struct mpt_softc *, struct ccb_trans_settings *);
124static void mpt_setwidth(struct mpt_softc *, int, int);
125static void mpt_setsync(struct mpt_softc *, int, int, int);
126static int mpt_update_spi_config(struct mpt_softc *, int);
127static void mpt_calc_geometry(struct ccb_calc_geometry *ccg, int extended);
128
129static mpt_reply_handler_t mpt_scsi_reply_handler;
130static mpt_reply_handler_t mpt_scsi_tmf_reply_handler;
131static mpt_reply_handler_t mpt_fc_els_reply_handler;
132static int mpt_scsi_reply_frame_handler(struct mpt_softc *, request_t *,
133 MSG_DEFAULT_REPLY *);
134static int mpt_bus_reset(struct mpt_softc *, target_id_t, lun_id_t, int);
135static int mpt_fc_reset_link(struct mpt_softc *, int);
136
137static int mpt_spawn_recovery_thread(struct mpt_softc *mpt);
138static void mpt_terminate_recovery_thread(struct mpt_softc *mpt);
139static void mpt_recovery_thread(void *arg);
140static void mpt_recover_commands(struct mpt_softc *mpt);
141
142static int mpt_scsi_send_tmf(struct mpt_softc *, u_int, u_int, u_int,
143 u_int, u_int, u_int, int);
144
145static void mpt_fc_post_els(struct mpt_softc *mpt, request_t *, int);
146static void mpt_post_target_command(struct mpt_softc *, request_t *, int);
147static int mpt_add_els_buffers(struct mpt_softc *mpt);
148static int mpt_add_target_commands(struct mpt_softc *mpt);
149static int mpt_enable_lun(struct mpt_softc *, target_id_t, lun_id_t);
150static int mpt_disable_lun(struct mpt_softc *, target_id_t, lun_id_t);
151static void mpt_target_start_io(struct mpt_softc *, union ccb *);
152static cam_status mpt_abort_target_ccb(struct mpt_softc *, union ccb *);
153static int mpt_abort_target_cmd(struct mpt_softc *, request_t *);
154static void mpt_scsi_tgt_status(struct mpt_softc *, union ccb *, request_t *,
155 uint8_t, uint8_t const *);
156static void
157mpt_scsi_tgt_tsk_mgmt(struct mpt_softc *, request_t *, mpt_task_mgmt_t,
158 tgt_resource_t *, int);
159static void mpt_tgt_dump_tgt_state(struct mpt_softc *, request_t *);
160static void mpt_tgt_dump_req_state(struct mpt_softc *, request_t *);
161static mpt_reply_handler_t mpt_scsi_tgt_reply_handler;
162
163static uint32_t scsi_io_handler_id = MPT_HANDLER_ID_NONE;
164static uint32_t scsi_tmf_handler_id = MPT_HANDLER_ID_NONE;
165static uint32_t fc_els_handler_id = MPT_HANDLER_ID_NONE;
166
167static mpt_probe_handler_t mpt_cam_probe;
168static mpt_attach_handler_t mpt_cam_attach;
169static mpt_enable_handler_t mpt_cam_enable;
170static mpt_ready_handler_t mpt_cam_ready;
171static mpt_event_handler_t mpt_cam_event;
172static mpt_reset_handler_t mpt_cam_ioc_reset;
173static mpt_detach_handler_t mpt_cam_detach;
174
175static struct mpt_personality mpt_cam_personality =
176{
177 .name = "mpt_cam",
178 .probe = mpt_cam_probe,
179 .attach = mpt_cam_attach,
180 .enable = mpt_cam_enable,
181 .ready = mpt_cam_ready,
182 .event = mpt_cam_event,
183 .reset = mpt_cam_ioc_reset,
184 .detach = mpt_cam_detach,
185};
186
187DECLARE_MPT_PERSONALITY(mpt_cam, SI_ORDER_SECOND);
188MODULE_DEPEND(mpt_cam, cam, 1, 1, 1);
189
190int
191mpt_cam_probe(struct mpt_softc *mpt)
192{
193 int role;
194
195 /*
196 * Only attach to nodes that support the initiator or target role
197 * (or want to) or have RAID physical devices that need CAM pass-thru
198 * support.
199 */
200 if (mpt->do_cfg_role) {
201 role = mpt->cfg_role;
202 } else {
203 role = mpt->role;
204 }
205 if ((role & (MPT_ROLE_TARGET|MPT_ROLE_INITIATOR)) != 0 ||
206 (mpt->ioc_page2 != NULL && mpt->ioc_page2->MaxPhysDisks != 0)) {
207 return (0);
208 }
209 return (ENODEV);
210}
211
212int
213mpt_cam_attach(struct mpt_softc *mpt)
214{
215 struct cam_devq *devq;
216 mpt_handler_t handler;
217 int maxq;
218 int error;
219
220 MPT_LOCK(mpt);
220 TAILQ_INIT(&mpt->request_timeout_list);
221 maxq = (mpt->ioc_facts.GlobalCredits < MPT_MAX_REQUESTS(mpt))?
222 mpt->ioc_facts.GlobalCredits : MPT_MAX_REQUESTS(mpt);
223
224 handler.reply_handler = mpt_scsi_reply_handler;
225 error = mpt_register_handler(mpt, MPT_HANDLER_REPLY, handler,
226 &scsi_io_handler_id);
227 if (error != 0) {
221 TAILQ_INIT(&mpt->request_timeout_list);
222 maxq = (mpt->ioc_facts.GlobalCredits < MPT_MAX_REQUESTS(mpt))?
223 mpt->ioc_facts.GlobalCredits : MPT_MAX_REQUESTS(mpt);
224
225 handler.reply_handler = mpt_scsi_reply_handler;
226 error = mpt_register_handler(mpt, MPT_HANDLER_REPLY, handler,
227 &scsi_io_handler_id);
228 if (error != 0) {
228 goto cleanup0;
229 MPT_UNLOCK(mpt);
230 goto cleanup;
229 }
230
231 handler.reply_handler = mpt_scsi_tmf_reply_handler;
232 error = mpt_register_handler(mpt, MPT_HANDLER_REPLY, handler,
233 &scsi_tmf_handler_id);
234 if (error != 0) {
231 }
232
233 handler.reply_handler = mpt_scsi_tmf_reply_handler;
234 error = mpt_register_handler(mpt, MPT_HANDLER_REPLY, handler,
235 &scsi_tmf_handler_id);
236 if (error != 0) {
235 goto cleanup0;
237 MPT_UNLOCK(mpt);
238 goto cleanup;
236 }
237
238 /*
239 * If we're fibre channel and could support target mode, we register
240 * an ELS reply handler and give it resources.
241 */
242 if (mpt->is_fc && (mpt->role & MPT_ROLE_TARGET) != 0) {
243 handler.reply_handler = mpt_fc_els_reply_handler;
244 error = mpt_register_handler(mpt, MPT_HANDLER_REPLY, handler,
245 &fc_els_handler_id);
246 if (error != 0) {
239 }
240
241 /*
242 * If we're fibre channel and could support target mode, we register
243 * an ELS reply handler and give it resources.
244 */
245 if (mpt->is_fc && (mpt->role & MPT_ROLE_TARGET) != 0) {
246 handler.reply_handler = mpt_fc_els_reply_handler;
247 error = mpt_register_handler(mpt, MPT_HANDLER_REPLY, handler,
248 &fc_els_handler_id);
249 if (error != 0) {
247 goto cleanup0;
250 MPT_UNLOCK(mpt);
251 goto cleanup;
248 }
249 if (mpt_add_els_buffers(mpt) == FALSE) {
250 error = ENOMEM;
252 }
253 if (mpt_add_els_buffers(mpt) == FALSE) {
254 error = ENOMEM;
251 goto cleanup0;
255 MPT_UNLOCK(mpt);
256 goto cleanup;
252 }
253 maxq -= mpt->els_cmds_allocated;
254 }
255
256 /*
257 * If we support target mode, we register a reply handler for it,
258 * but don't add command resources until we actually enable target
259 * mode.
260 */
261 if (mpt->is_fc && (mpt->role & MPT_ROLE_TARGET) != 0) {
262 handler.reply_handler = mpt_scsi_tgt_reply_handler;
263 error = mpt_register_handler(mpt, MPT_HANDLER_REPLY, handler,
264 &mpt->scsi_tgt_handler_id);
265 if (error != 0) {
257 }
258 maxq -= mpt->els_cmds_allocated;
259 }
260
261 /*
262 * If we support target mode, we register a reply handler for it,
263 * but don't add command resources until we actually enable target
264 * mode.
265 */
266 if (mpt->is_fc && (mpt->role & MPT_ROLE_TARGET) != 0) {
267 handler.reply_handler = mpt_scsi_tgt_reply_handler;
268 error = mpt_register_handler(mpt, MPT_HANDLER_REPLY, handler,
269 &mpt->scsi_tgt_handler_id);
270 if (error != 0) {
266 goto cleanup0;
271 MPT_UNLOCK(mpt);
272 goto cleanup;
267 }
268 }
269
270 /*
271 * We keep one request reserved for timeout TMF requests.
272 */
273 mpt->tmf_req = mpt_get_request(mpt, FALSE);
274 if (mpt->tmf_req == NULL) {
275 mpt_prt(mpt, "Unable to allocate dedicated TMF request!\n");
276 error = ENOMEM;
273 }
274 }
275
276 /*
277 * We keep one request reserved for timeout TMF requests.
278 */
279 mpt->tmf_req = mpt_get_request(mpt, FALSE);
280 if (mpt->tmf_req == NULL) {
281 mpt_prt(mpt, "Unable to allocate dedicated TMF request!\n");
282 error = ENOMEM;
277 goto cleanup0;
283 MPT_UNLOCK(mpt);
284 goto cleanup;
278 }
279
280 /*
281 * Mark the request as free even though not on the free list.
282 * There is only one TMF request allowed to be outstanding at
283 * a time and the TMF routines perform their own allocation
284 * tracking using the standard state flags.
285 */
286 mpt->tmf_req->state = REQ_STATE_FREE;
287 maxq--;
288
285 }
286
287 /*
288 * Mark the request as free even though not on the free list.
289 * There is only one TMF request allowed to be outstanding at
290 * a time and the TMF routines perform their own allocation
291 * tracking using the standard state flags.
292 */
293 mpt->tmf_req->state = REQ_STATE_FREE;
294 maxq--;
295
296 /*
297 * The rest of this is CAM foo, for which we need to drop our lock
298 */
299 MPT_UNLOCK(mpt);
300
289 if (mpt_spawn_recovery_thread(mpt) != 0) {
290 mpt_prt(mpt, "Unable to spawn recovery thread!\n");
291 error = ENOMEM;
301 if (mpt_spawn_recovery_thread(mpt) != 0) {
302 mpt_prt(mpt, "Unable to spawn recovery thread!\n");
303 error = ENOMEM;
292 goto cleanup0;
304 goto cleanup;
293 }
294
295 /*
305 }
306
307 /*
296 * The rest of this is CAM foo, for which we need to drop our lock
297 */
298 MPTLOCK_2_CAMLOCK(mpt);
299
300 /*
301 * Create the device queue for our SIM(s).
302 */
303 devq = cam_simq_alloc(maxq);
304 if (devq == NULL) {
305 mpt_prt(mpt, "Unable to allocate CAM SIMQ!\n");
306 error = ENOMEM;
307 goto cleanup;
308 }
309
310 /*
311 * Construct our SIM entry.
312 */
308 * Create the device queue for our SIM(s).
309 */
310 devq = cam_simq_alloc(maxq);
311 if (devq == NULL) {
312 mpt_prt(mpt, "Unable to allocate CAM SIMQ!\n");
313 error = ENOMEM;
314 goto cleanup;
315 }
316
317 /*
318 * Construct our SIM entry.
319 */
313 mpt->sim = cam_sim_alloc(mpt_action, mpt_poll, "mpt", mpt,
314 mpt->unit, &Giant, 1, maxq, devq);
320 mpt->sim =
321 mpt_sim_alloc(mpt_action, mpt_poll, "mpt", mpt, 1, maxq, devq);
315 if (mpt->sim == NULL) {
316 mpt_prt(mpt, "Unable to allocate CAM SIM!\n");
317 cam_simq_free(devq);
318 error = ENOMEM;
319 goto cleanup;
320 }
321
322 /*
323 * Register exactly this bus.
324 */
322 if (mpt->sim == NULL) {
323 mpt_prt(mpt, "Unable to allocate CAM SIM!\n");
324 cam_simq_free(devq);
325 error = ENOMEM;
326 goto cleanup;
327 }
328
329 /*
330 * Register exactly this bus.
331 */
332 MPT_LOCK(mpt);
325 if (xpt_bus_register(mpt->sim, 0) != CAM_SUCCESS) {
326 mpt_prt(mpt, "Bus registration Failed!\n");
327 error = ENOMEM;
333 if (xpt_bus_register(mpt->sim, 0) != CAM_SUCCESS) {
334 mpt_prt(mpt, "Bus registration Failed!\n");
335 error = ENOMEM;
336 MPT_UNLOCK(mpt);
328 goto cleanup;
329 }
330
331 if (xpt_create_path(&mpt->path, NULL, cam_sim_path(mpt->sim),
332 CAM_TARGET_WILDCARD, CAM_LUN_WILDCARD) != CAM_REQ_CMP) {
333 mpt_prt(mpt, "Unable to allocate Path!\n");
334 error = ENOMEM;
337 goto cleanup;
338 }
339
340 if (xpt_create_path(&mpt->path, NULL, cam_sim_path(mpt->sim),
341 CAM_TARGET_WILDCARD, CAM_LUN_WILDCARD) != CAM_REQ_CMP) {
342 mpt_prt(mpt, "Unable to allocate Path!\n");
343 error = ENOMEM;
344 MPT_UNLOCK(mpt);
335 goto cleanup;
336 }
345 goto cleanup;
346 }
347 MPT_UNLOCK(mpt);
337
338 /*
339 * Only register a second bus for RAID physical
340 * devices if the controller supports RAID.
341 */
342 if (mpt->ioc_page2 == NULL || mpt->ioc_page2->MaxPhysDisks == 0) {
348
349 /*
350 * Only register a second bus for RAID physical
351 * devices if the controller supports RAID.
352 */
353 if (mpt->ioc_page2 == NULL || mpt->ioc_page2->MaxPhysDisks == 0) {
343 CAMLOCK_2_MPTLOCK(mpt);
344 return (0);
345 }
346
347 /*
348 * Create a "bus" to export all hidden disks to CAM.
349 */
354 return (0);
355 }
356
357 /*
358 * Create a "bus" to export all hidden disks to CAM.
359 */
350 mpt->phydisk_sim = cam_sim_alloc(mpt_action, mpt_poll, "mpt", mpt,
351 mpt->unit, &Giant, 1, maxq, devq);
360 mpt->phydisk_sim =
361 mpt_sim_alloc(mpt_action, mpt_poll, "mpt", mpt, 1, maxq, devq);
352 if (mpt->phydisk_sim == NULL) {
353 mpt_prt(mpt, "Unable to allocate Physical Disk CAM SIM!\n");
354 error = ENOMEM;
355 goto cleanup;
356 }
357
358 /*
359 * Register this bus.
360 */
362 if (mpt->phydisk_sim == NULL) {
363 mpt_prt(mpt, "Unable to allocate Physical Disk CAM SIM!\n");
364 error = ENOMEM;
365 goto cleanup;
366 }
367
368 /*
369 * Register this bus.
370 */
371 MPT_LOCK(mpt);
361 if (xpt_bus_register(mpt->phydisk_sim, 1) != CAM_SUCCESS) {
362 mpt_prt(mpt, "Physical Disk Bus registration Failed!\n");
363 error = ENOMEM;
372 if (xpt_bus_register(mpt->phydisk_sim, 1) != CAM_SUCCESS) {
373 mpt_prt(mpt, "Physical Disk Bus registration Failed!\n");
374 error = ENOMEM;
375 MPT_UNLOCK(mpt);
364 goto cleanup;
365 }
366
367 if (xpt_create_path(&mpt->phydisk_path, NULL,
368 cam_sim_path(mpt->phydisk_sim),
369 CAM_TARGET_WILDCARD, CAM_LUN_WILDCARD) != CAM_REQ_CMP) {
370 mpt_prt(mpt, "Unable to allocate Physical Disk Path!\n");
371 error = ENOMEM;
376 goto cleanup;
377 }
378
379 if (xpt_create_path(&mpt->phydisk_path, NULL,
380 cam_sim_path(mpt->phydisk_sim),
381 CAM_TARGET_WILDCARD, CAM_LUN_WILDCARD) != CAM_REQ_CMP) {
382 mpt_prt(mpt, "Unable to allocate Physical Disk Path!\n");
383 error = ENOMEM;
384 MPT_UNLOCK(mpt);
372 goto cleanup;
373 }
385 goto cleanup;
386 }
374 CAMLOCK_2_MPTLOCK(mpt);
387 MPT_UNLOCK(mpt);
375 mpt_lprt(mpt, MPT_PRT_DEBUG, "attached cam\n");
376 return (0);
377
378cleanup:
388 mpt_lprt(mpt, MPT_PRT_DEBUG, "attached cam\n");
389 return (0);
390
391cleanup:
379 CAMLOCK_2_MPTLOCK(mpt);
380cleanup0:
381 mpt_cam_detach(mpt);
382 return (error);
383}
384
385/*
386 * Read FC configuration information
387 */
388static int
389mpt_read_config_info_fc(struct mpt_softc *mpt)
390{
391 char *topology = NULL;
392 int rv;
393
394 rv = mpt_read_cfg_header(mpt, MPI_CONFIG_PAGETYPE_FC_PORT, 0,
395 0, &mpt->mpt_fcport_page0.Header, FALSE, 5000);
396 if (rv) {
397 return (-1);
398 }
399 mpt_lprt(mpt, MPT_PRT_DEBUG, "FC Port Page 0 Header: %x %x %x %x\n",
400 mpt->mpt_fcport_page0.Header.PageVersion,
401 mpt->mpt_fcport_page0.Header.PageLength,
402 mpt->mpt_fcport_page0.Header.PageNumber,
403 mpt->mpt_fcport_page0.Header.PageType);
404
405
406 rv = mpt_read_cur_cfg_page(mpt, 0, &mpt->mpt_fcport_page0.Header,
407 sizeof(mpt->mpt_fcport_page0), FALSE, 5000);
408 if (rv) {
409 mpt_prt(mpt, "failed to read FC Port Page 0\n");
410 return (-1);
411 }
412
413 mpt->mpt_fcport_speed = mpt->mpt_fcport_page0.CurrentSpeed;
414
415 switch (mpt->mpt_fcport_page0.Flags &
416 MPI_FCPORTPAGE0_FLAGS_ATTACH_TYPE_MASK) {
417 case MPI_FCPORTPAGE0_FLAGS_ATTACH_NO_INIT:
418 mpt->mpt_fcport_speed = 0;
419 topology = "<NO LOOP>";
420 break;
421 case MPI_FCPORTPAGE0_FLAGS_ATTACH_POINT_TO_POINT:
422 topology = "N-Port";
423 break;
424 case MPI_FCPORTPAGE0_FLAGS_ATTACH_PRIVATE_LOOP:
425 topology = "NL-Port";
426 break;
427 case MPI_FCPORTPAGE0_FLAGS_ATTACH_FABRIC_DIRECT:
428 topology = "F-Port";
429 break;
430 case MPI_FCPORTPAGE0_FLAGS_ATTACH_PUBLIC_LOOP:
431 topology = "FL-Port";
432 break;
433 default:
434 mpt->mpt_fcport_speed = 0;
435 topology = "?";
436 break;
437 }
438
439 mpt_lprt(mpt, MPT_PRT_INFO,
440 "FC Port Page 0: Topology <%s> WWNN 0x%08x%08x WWPN 0x%08x%08x "
441 "Speed %u-Gbit\n", topology,
442 mpt->mpt_fcport_page0.WWNN.High,
443 mpt->mpt_fcport_page0.WWNN.Low,
444 mpt->mpt_fcport_page0.WWPN.High,
445 mpt->mpt_fcport_page0.WWPN.Low,
446 mpt->mpt_fcport_speed);
447#if __FreeBSD_version >= 500000
392 mpt_cam_detach(mpt);
393 return (error);
394}
395
396/*
397 * Read FC configuration information
398 */
399static int
400mpt_read_config_info_fc(struct mpt_softc *mpt)
401{
402 char *topology = NULL;
403 int rv;
404
405 rv = mpt_read_cfg_header(mpt, MPI_CONFIG_PAGETYPE_FC_PORT, 0,
406 0, &mpt->mpt_fcport_page0.Header, FALSE, 5000);
407 if (rv) {
408 return (-1);
409 }
410 mpt_lprt(mpt, MPT_PRT_DEBUG, "FC Port Page 0 Header: %x %x %x %x\n",
411 mpt->mpt_fcport_page0.Header.PageVersion,
412 mpt->mpt_fcport_page0.Header.PageLength,
413 mpt->mpt_fcport_page0.Header.PageNumber,
414 mpt->mpt_fcport_page0.Header.PageType);
415
416
417 rv = mpt_read_cur_cfg_page(mpt, 0, &mpt->mpt_fcport_page0.Header,
418 sizeof(mpt->mpt_fcport_page0), FALSE, 5000);
419 if (rv) {
420 mpt_prt(mpt, "failed to read FC Port Page 0\n");
421 return (-1);
422 }
423
424 mpt->mpt_fcport_speed = mpt->mpt_fcport_page0.CurrentSpeed;
425
426 switch (mpt->mpt_fcport_page0.Flags &
427 MPI_FCPORTPAGE0_FLAGS_ATTACH_TYPE_MASK) {
428 case MPI_FCPORTPAGE0_FLAGS_ATTACH_NO_INIT:
429 mpt->mpt_fcport_speed = 0;
430 topology = "<NO LOOP>";
431 break;
432 case MPI_FCPORTPAGE0_FLAGS_ATTACH_POINT_TO_POINT:
433 topology = "N-Port";
434 break;
435 case MPI_FCPORTPAGE0_FLAGS_ATTACH_PRIVATE_LOOP:
436 topology = "NL-Port";
437 break;
438 case MPI_FCPORTPAGE0_FLAGS_ATTACH_FABRIC_DIRECT:
439 topology = "F-Port";
440 break;
441 case MPI_FCPORTPAGE0_FLAGS_ATTACH_PUBLIC_LOOP:
442 topology = "FL-Port";
443 break;
444 default:
445 mpt->mpt_fcport_speed = 0;
446 topology = "?";
447 break;
448 }
449
450 mpt_lprt(mpt, MPT_PRT_INFO,
451 "FC Port Page 0: Topology <%s> WWNN 0x%08x%08x WWPN 0x%08x%08x "
452 "Speed %u-Gbit\n", topology,
453 mpt->mpt_fcport_page0.WWNN.High,
454 mpt->mpt_fcport_page0.WWNN.Low,
455 mpt->mpt_fcport_page0.WWPN.High,
456 mpt->mpt_fcport_page0.WWPN.Low,
457 mpt->mpt_fcport_speed);
458#if __FreeBSD_version >= 500000
459 MPT_UNLOCK(mpt);
448 {
449 struct sysctl_ctx_list *ctx = device_get_sysctl_ctx(mpt->dev);
450 struct sysctl_oid *tree = device_get_sysctl_tree(mpt->dev);
451
452 snprintf(mpt->scinfo.fc.wwnn,
453 sizeof (mpt->scinfo.fc.wwnn), "0x%08x%08x",
454 mpt->mpt_fcport_page0.WWNN.High,
455 mpt->mpt_fcport_page0.WWNN.Low);
456
457 snprintf(mpt->scinfo.fc.wwpn,
458 sizeof (mpt->scinfo.fc.wwpn), "0x%08x%08x",
459 mpt->mpt_fcport_page0.WWPN.High,
460 mpt->mpt_fcport_page0.WWPN.Low);
461
462 SYSCTL_ADD_STRING(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
463 "wwnn", CTLFLAG_RD, mpt->scinfo.fc.wwnn, 0,
464 "World Wide Node Name");
465
466 SYSCTL_ADD_STRING(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
467 "wwpn", CTLFLAG_RD, mpt->scinfo.fc.wwpn, 0,
468 "World Wide Port Name");
469
470 }
460 {
461 struct sysctl_ctx_list *ctx = device_get_sysctl_ctx(mpt->dev);
462 struct sysctl_oid *tree = device_get_sysctl_tree(mpt->dev);
463
464 snprintf(mpt->scinfo.fc.wwnn,
465 sizeof (mpt->scinfo.fc.wwnn), "0x%08x%08x",
466 mpt->mpt_fcport_page0.WWNN.High,
467 mpt->mpt_fcport_page0.WWNN.Low);
468
469 snprintf(mpt->scinfo.fc.wwpn,
470 sizeof (mpt->scinfo.fc.wwpn), "0x%08x%08x",
471 mpt->mpt_fcport_page0.WWPN.High,
472 mpt->mpt_fcport_page0.WWPN.Low);
473
474 SYSCTL_ADD_STRING(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
475 "wwnn", CTLFLAG_RD, mpt->scinfo.fc.wwnn, 0,
476 "World Wide Node Name");
477
478 SYSCTL_ADD_STRING(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
479 "wwpn", CTLFLAG_RD, mpt->scinfo.fc.wwpn, 0,
480 "World Wide Port Name");
481
482 }
483 MPT_LOCK(mpt);
471#endif
472 return (0);
473}
474
475/*
476 * Set FC configuration information.
477 */
478static int
479mpt_set_initial_config_fc(struct mpt_softc *mpt)
480{
481
482 CONFIG_PAGE_FC_PORT_1 fc;
483 U32 fl;
484 int r, doit = 0;
485 int role;
486
487 r = mpt_read_cfg_header(mpt, MPI_CONFIG_PAGETYPE_FC_PORT, 1, 0,
488 &fc.Header, FALSE, 5000);
489 if (r) {
490 mpt_prt(mpt, "failed to read FC page 1 header\n");
491 return (mpt_fc_reset_link(mpt, 1));
492 }
493
494 r = mpt_read_cfg_page(mpt, MPI_CONFIG_ACTION_PAGE_READ_NVRAM, 0,
495 &fc.Header, sizeof (fc), FALSE, 5000);
496 if (r) {
497 mpt_prt(mpt, "failed to read FC page 1\n");
498 return (mpt_fc_reset_link(mpt, 1));
499 }
500
501 /*
502 * Check our flags to make sure we support the role we want.
503 */
504 doit = 0;
505 role = 0;
506 fl = le32toh(fc.Flags);;
507
508 if (fl & MPI_FCPORTPAGE1_FLAGS_PROT_FCP_INIT) {
509 role |= MPT_ROLE_INITIATOR;
510 }
511 if (fl & MPI_FCPORTPAGE1_FLAGS_PROT_FCP_TARG) {
512 role |= MPT_ROLE_TARGET;
513 }
514
515 fl &= ~MPI_FCPORTPAGE1_FLAGS_PROT_MASK;
516
517 if (mpt->do_cfg_role == 0) {
518 role = mpt->cfg_role;
519 } else {
520 mpt->do_cfg_role = 0;
521 }
522
523 if (role != mpt->cfg_role) {
524 if (mpt->cfg_role & MPT_ROLE_INITIATOR) {
525 if ((role & MPT_ROLE_INITIATOR) == 0) {
526 mpt_prt(mpt, "adding initiator role\n");
527 fl |= MPI_FCPORTPAGE1_FLAGS_PROT_FCP_INIT;
528 doit++;
529 } else {
530 mpt_prt(mpt, "keeping initiator role\n");
531 }
532 } else if (role & MPT_ROLE_INITIATOR) {
533 mpt_prt(mpt, "removing initiator role\n");
534 doit++;
535 }
536 if (mpt->cfg_role & MPT_ROLE_TARGET) {
537 if ((role & MPT_ROLE_TARGET) == 0) {
538 mpt_prt(mpt, "adding target role\n");
539 fl |= MPI_FCPORTPAGE1_FLAGS_PROT_FCP_TARG;
540 doit++;
541 } else {
542 mpt_prt(mpt, "keeping target role\n");
543 }
544 } else if (role & MPT_ROLE_TARGET) {
545 mpt_prt(mpt, "removing target role\n");
546 doit++;
547 }
548 mpt->role = mpt->cfg_role;
549 }
550
551 if (fl & MPI_FCPORTPAGE1_FLAGS_PROT_FCP_TARG) {
552 if ((fl & MPI_FCPORTPAGE1_FLAGS_TARGET_MODE_OXID) == 0) {
553 mpt_prt(mpt, "adding OXID option\n");
554 fl |= MPI_FCPORTPAGE1_FLAGS_TARGET_MODE_OXID;
555 doit++;
556 }
557 }
558
559 if (doit) {
560 fc.Flags = htole32(fl);
561 r = mpt_write_cfg_page(mpt,
562 MPI_CONFIG_ACTION_PAGE_WRITE_NVRAM, 0, &fc.Header,
563 sizeof(fc), FALSE, 5000);
564 if (r != 0) {
565 mpt_prt(mpt, "failed to update NVRAM with changes\n");
566 return (0);
567 }
568 mpt_prt(mpt, "NOTE: NVRAM changes will not take "
569 "effect until next reboot or IOC reset\n");
570 }
571 return (0);
572}
573
574/*
575 * Read SAS configuration information. Nothing to do yet.
576 */
577static int
578mpt_read_config_info_sas(struct mpt_softc *mpt)
579{
580 return (0);
581}
582
583/*
584 * Set SAS configuration information. Nothing to do yet.
585 */
586static int
587mpt_set_initial_config_sas(struct mpt_softc *mpt)
588{
589 return (0);
590}
591
592/*
593 * Read SCSI configuration information
594 */
595static int
596mpt_read_config_info_spi(struct mpt_softc *mpt)
597{
598 int rv, i;
599
600 rv = mpt_read_cfg_header(mpt, MPI_CONFIG_PAGETYPE_SCSI_PORT, 0, 0,
601 &mpt->mpt_port_page0.Header, FALSE, 5000);
602 if (rv) {
603 return (-1);
604 }
605 mpt_lprt(mpt, MPT_PRT_DEBUG, "SPI Port Page 0 Header: %x %x %x %x\n",
606 mpt->mpt_port_page0.Header.PageVersion,
607 mpt->mpt_port_page0.Header.PageLength,
608 mpt->mpt_port_page0.Header.PageNumber,
609 mpt->mpt_port_page0.Header.PageType);
610
611 rv = mpt_read_cfg_header(mpt, MPI_CONFIG_PAGETYPE_SCSI_PORT, 1, 0,
612 &mpt->mpt_port_page1.Header, FALSE, 5000);
613 if (rv) {
614 return (-1);
615 }
616 mpt_lprt(mpt, MPT_PRT_DEBUG, "SPI Port Page 1 Header: %x %x %x %x\n",
617 mpt->mpt_port_page1.Header.PageVersion,
618 mpt->mpt_port_page1.Header.PageLength,
619 mpt->mpt_port_page1.Header.PageNumber,
620 mpt->mpt_port_page1.Header.PageType);
621
622 rv = mpt_read_cfg_header(mpt, MPI_CONFIG_PAGETYPE_SCSI_PORT, 2, 0,
623 &mpt->mpt_port_page2.Header, FALSE, 5000);
624 if (rv) {
625 return (-1);
626 }
627 mpt_lprt(mpt, MPT_PRT_DEBUG, "SPI Port Page 2 Header: %x %x %x %x\n",
628 mpt->mpt_port_page2.Header.PageVersion,
629 mpt->mpt_port_page2.Header.PageLength,
630 mpt->mpt_port_page2.Header.PageNumber,
631 mpt->mpt_port_page2.Header.PageType);
632
633 for (i = 0; i < 16; i++) {
634 rv = mpt_read_cfg_header(mpt, MPI_CONFIG_PAGETYPE_SCSI_DEVICE,
635 0, i, &mpt->mpt_dev_page0[i].Header, FALSE, 5000);
636 if (rv) {
637 return (-1);
638 }
639 mpt_lprt(mpt, MPT_PRT_DEBUG,
640 "SPI Target %d Device Page 0 Header: %x %x %x %x\n", i,
641 mpt->mpt_dev_page0[i].Header.PageVersion,
642 mpt->mpt_dev_page0[i].Header.PageLength,
643 mpt->mpt_dev_page0[i].Header.PageNumber,
644 mpt->mpt_dev_page0[i].Header.PageType);
645
646 rv = mpt_read_cfg_header(mpt, MPI_CONFIG_PAGETYPE_SCSI_DEVICE,
647 1, i, &mpt->mpt_dev_page1[i].Header, FALSE, 5000);
648 if (rv) {
649 return (-1);
650 }
651 mpt_lprt(mpt, MPT_PRT_DEBUG,
652 "SPI Target %d Device Page 1 Header: %x %x %x %x\n", i,
653 mpt->mpt_dev_page1[i].Header.PageVersion,
654 mpt->mpt_dev_page1[i].Header.PageLength,
655 mpt->mpt_dev_page1[i].Header.PageNumber,
656 mpt->mpt_dev_page1[i].Header.PageType);
657 }
658
659 /*
660 * At this point, we don't *have* to fail. As long as we have
661 * valid config header information, we can (barely) lurch
662 * along.
663 */
664
665 rv = mpt_read_cur_cfg_page(mpt, 0, &mpt->mpt_port_page0.Header,
666 sizeof(mpt->mpt_port_page0), FALSE, 5000);
667 if (rv) {
668 mpt_prt(mpt, "failed to read SPI Port Page 0\n");
669 } else {
670 mpt_lprt(mpt, MPT_PRT_NEGOTIATION,
671 "SPI Port Page 0: Capabilities %x PhysicalInterface %x\n",
672 mpt->mpt_port_page0.Capabilities,
673 mpt->mpt_port_page0.PhysicalInterface);
674 }
675
676 rv = mpt_read_cur_cfg_page(mpt, 0, &mpt->mpt_port_page1.Header,
677 sizeof(mpt->mpt_port_page1), FALSE, 5000);
678 if (rv) {
679 mpt_prt(mpt, "failed to read SPI Port Page 1\n");
680 } else {
681 mpt_lprt(mpt, MPT_PRT_DEBUG,
682 "SPI Port Page 1: Configuration %x OnBusTimerValue %x\n",
683 mpt->mpt_port_page1.Configuration,
684 mpt->mpt_port_page1.OnBusTimerValue);
685 }
686
687 rv = mpt_read_cur_cfg_page(mpt, 0, &mpt->mpt_port_page2.Header,
688 sizeof(mpt->mpt_port_page2), FALSE, 5000);
689 if (rv) {
690 mpt_prt(mpt, "failed to read SPI Port Page 2\n");
691 } else {
692 mpt_lprt(mpt, MPT_PRT_NEGOTIATION,
693 "Port Page 2: Flags %x Settings %x\n",
694 mpt->mpt_port_page2.PortFlags,
695 mpt->mpt_port_page2.PortSettings);
696 for (i = 0; i < 16; i++) {
697 mpt_lprt(mpt, MPT_PRT_NEGOTIATION,
698 " Port Page 2 Tgt %d: timo %x SF %x Flags %x\n",
699 i, mpt->mpt_port_page2.DeviceSettings[i].Timeout,
700 mpt->mpt_port_page2.DeviceSettings[i].SyncFactor,
701 mpt->mpt_port_page2.DeviceSettings[i].DeviceFlags);
702 }
703 }
704
705 for (i = 0; i < 16; i++) {
706 rv = mpt_read_cur_cfg_page(mpt, i,
707 &mpt->mpt_dev_page0[i].Header, sizeof(*mpt->mpt_dev_page0),
708 FALSE, 5000);
709 if (rv) {
710 mpt_prt(mpt,
711 "cannot read SPI Target %d Device Page 0\n", i);
712 continue;
713 }
714 mpt_lprt(mpt, MPT_PRT_NEGOTIATION,
715 "target %d page 0: Negotiated Params %x Information %x\n",
716 i, mpt->mpt_dev_page0[i].NegotiatedParameters,
717 mpt->mpt_dev_page0[i].Information);
718
719 rv = mpt_read_cur_cfg_page(mpt, i,
720 &mpt->mpt_dev_page1[i].Header, sizeof(*mpt->mpt_dev_page1),
721 FALSE, 5000);
722 if (rv) {
723 mpt_prt(mpt,
724 "cannot read SPI Target %d Device Page 1\n", i);
725 continue;
726 }
727 mpt_lprt(mpt, MPT_PRT_NEGOTIATION,
728 "target %d page 1: Requested Params %x Configuration %x\n",
729 i, mpt->mpt_dev_page1[i].RequestedParameters,
730 mpt->mpt_dev_page1[i].Configuration);
731 }
732 return (0);
733}
734
735/*
736 * Validate SPI configuration information.
737 *
738 * In particular, validate SPI Port Page 1.
739 */
740static int
741mpt_set_initial_config_spi(struct mpt_softc *mpt)
742{
743 int i, j, pp1val = ((1 << mpt->mpt_ini_id) << 16) | mpt->mpt_ini_id;
744 int error;
745
746 mpt->mpt_disc_enable = 0xff;
747 mpt->mpt_tag_enable = 0;
748
749 if (mpt->mpt_port_page1.Configuration != pp1val) {
750 CONFIG_PAGE_SCSI_PORT_1 tmp;
751
752 mpt_prt(mpt, "SPI Port Page 1 Config value bad (%x)- should "
753 "be %x\n", mpt->mpt_port_page1.Configuration, pp1val);
754 tmp = mpt->mpt_port_page1;
755 tmp.Configuration = pp1val;
756 error = mpt_write_cur_cfg_page(mpt, 0,
757 &tmp.Header, sizeof(tmp), FALSE, 5000);
758 if (error) {
759 return (-1);
760 }
761 error = mpt_read_cur_cfg_page(mpt, 0,
762 &tmp.Header, sizeof(tmp), FALSE, 5000);
763 if (error) {
764 return (-1);
765 }
766 if (tmp.Configuration != pp1val) {
767 mpt_prt(mpt,
768 "failed to reset SPI Port Page 1 Config value\n");
769 return (-1);
770 }
771 mpt->mpt_port_page1 = tmp;
772 }
773
774 /*
775 * The purpose of this exercise is to get
776 * all targets back to async/narrow.
777 *
778 * We skip this step if the BIOS has already negotiated
779 * speeds with the targets and does not require us to
780 * do Domain Validation.
781 */
782 i = mpt->mpt_port_page2.PortSettings &
783 MPI_SCSIPORTPAGE2_PORT_MASK_NEGO_MASTER_SETTINGS;
784 j = mpt->mpt_port_page2.PortFlags &
785 MPI_SCSIPORTPAGE2_PORT_FLAGS_DV_MASK;
786 if (i == MPI_SCSIPORTPAGE2_PORT_ALL_MASTER_SETTINGS /* &&
787 j == MPI_SCSIPORTPAGE2_PORT_FLAGS_OFF_DV */) {
788 mpt_lprt(mpt, MPT_PRT_NEGOTIATION,
789 "honoring BIOS transfer negotiations\n");
790 } else {
791 for (i = 0; i < 16; i++) {
792 mpt->mpt_dev_page1[i].RequestedParameters = 0;
793 mpt->mpt_dev_page1[i].Configuration = 0;
794 (void) mpt_update_spi_config(mpt, i);
795 }
796 }
797 return (0);
798}
799
800int
801mpt_cam_enable(struct mpt_softc *mpt)
802{
484#endif
485 return (0);
486}
487
488/*
489 * Set FC configuration information.
490 */
491static int
492mpt_set_initial_config_fc(struct mpt_softc *mpt)
493{
494
495 CONFIG_PAGE_FC_PORT_1 fc;
496 U32 fl;
497 int r, doit = 0;
498 int role;
499
500 r = mpt_read_cfg_header(mpt, MPI_CONFIG_PAGETYPE_FC_PORT, 1, 0,
501 &fc.Header, FALSE, 5000);
502 if (r) {
503 mpt_prt(mpt, "failed to read FC page 1 header\n");
504 return (mpt_fc_reset_link(mpt, 1));
505 }
506
507 r = mpt_read_cfg_page(mpt, MPI_CONFIG_ACTION_PAGE_READ_NVRAM, 0,
508 &fc.Header, sizeof (fc), FALSE, 5000);
509 if (r) {
510 mpt_prt(mpt, "failed to read FC page 1\n");
511 return (mpt_fc_reset_link(mpt, 1));
512 }
513
514 /*
515 * Check our flags to make sure we support the role we want.
516 */
517 doit = 0;
518 role = 0;
519 fl = le32toh(fc.Flags);;
520
521 if (fl & MPI_FCPORTPAGE1_FLAGS_PROT_FCP_INIT) {
522 role |= MPT_ROLE_INITIATOR;
523 }
524 if (fl & MPI_FCPORTPAGE1_FLAGS_PROT_FCP_TARG) {
525 role |= MPT_ROLE_TARGET;
526 }
527
528 fl &= ~MPI_FCPORTPAGE1_FLAGS_PROT_MASK;
529
530 if (mpt->do_cfg_role == 0) {
531 role = mpt->cfg_role;
532 } else {
533 mpt->do_cfg_role = 0;
534 }
535
536 if (role != mpt->cfg_role) {
537 if (mpt->cfg_role & MPT_ROLE_INITIATOR) {
538 if ((role & MPT_ROLE_INITIATOR) == 0) {
539 mpt_prt(mpt, "adding initiator role\n");
540 fl |= MPI_FCPORTPAGE1_FLAGS_PROT_FCP_INIT;
541 doit++;
542 } else {
543 mpt_prt(mpt, "keeping initiator role\n");
544 }
545 } else if (role & MPT_ROLE_INITIATOR) {
546 mpt_prt(mpt, "removing initiator role\n");
547 doit++;
548 }
549 if (mpt->cfg_role & MPT_ROLE_TARGET) {
550 if ((role & MPT_ROLE_TARGET) == 0) {
551 mpt_prt(mpt, "adding target role\n");
552 fl |= MPI_FCPORTPAGE1_FLAGS_PROT_FCP_TARG;
553 doit++;
554 } else {
555 mpt_prt(mpt, "keeping target role\n");
556 }
557 } else if (role & MPT_ROLE_TARGET) {
558 mpt_prt(mpt, "removing target role\n");
559 doit++;
560 }
561 mpt->role = mpt->cfg_role;
562 }
563
564 if (fl & MPI_FCPORTPAGE1_FLAGS_PROT_FCP_TARG) {
565 if ((fl & MPI_FCPORTPAGE1_FLAGS_TARGET_MODE_OXID) == 0) {
566 mpt_prt(mpt, "adding OXID option\n");
567 fl |= MPI_FCPORTPAGE1_FLAGS_TARGET_MODE_OXID;
568 doit++;
569 }
570 }
571
572 if (doit) {
573 fc.Flags = htole32(fl);
574 r = mpt_write_cfg_page(mpt,
575 MPI_CONFIG_ACTION_PAGE_WRITE_NVRAM, 0, &fc.Header,
576 sizeof(fc), FALSE, 5000);
577 if (r != 0) {
578 mpt_prt(mpt, "failed to update NVRAM with changes\n");
579 return (0);
580 }
581 mpt_prt(mpt, "NOTE: NVRAM changes will not take "
582 "effect until next reboot or IOC reset\n");
583 }
584 return (0);
585}
586
587/*
588 * Read SAS configuration information. Nothing to do yet.
589 */
590static int
591mpt_read_config_info_sas(struct mpt_softc *mpt)
592{
593 return (0);
594}
595
596/*
597 * Set SAS configuration information. Nothing to do yet.
598 */
599static int
600mpt_set_initial_config_sas(struct mpt_softc *mpt)
601{
602 return (0);
603}
604
605/*
606 * Read SCSI configuration information
607 */
608static int
609mpt_read_config_info_spi(struct mpt_softc *mpt)
610{
611 int rv, i;
612
613 rv = mpt_read_cfg_header(mpt, MPI_CONFIG_PAGETYPE_SCSI_PORT, 0, 0,
614 &mpt->mpt_port_page0.Header, FALSE, 5000);
615 if (rv) {
616 return (-1);
617 }
618 mpt_lprt(mpt, MPT_PRT_DEBUG, "SPI Port Page 0 Header: %x %x %x %x\n",
619 mpt->mpt_port_page0.Header.PageVersion,
620 mpt->mpt_port_page0.Header.PageLength,
621 mpt->mpt_port_page0.Header.PageNumber,
622 mpt->mpt_port_page0.Header.PageType);
623
624 rv = mpt_read_cfg_header(mpt, MPI_CONFIG_PAGETYPE_SCSI_PORT, 1, 0,
625 &mpt->mpt_port_page1.Header, FALSE, 5000);
626 if (rv) {
627 return (-1);
628 }
629 mpt_lprt(mpt, MPT_PRT_DEBUG, "SPI Port Page 1 Header: %x %x %x %x\n",
630 mpt->mpt_port_page1.Header.PageVersion,
631 mpt->mpt_port_page1.Header.PageLength,
632 mpt->mpt_port_page1.Header.PageNumber,
633 mpt->mpt_port_page1.Header.PageType);
634
635 rv = mpt_read_cfg_header(mpt, MPI_CONFIG_PAGETYPE_SCSI_PORT, 2, 0,
636 &mpt->mpt_port_page2.Header, FALSE, 5000);
637 if (rv) {
638 return (-1);
639 }
640 mpt_lprt(mpt, MPT_PRT_DEBUG, "SPI Port Page 2 Header: %x %x %x %x\n",
641 mpt->mpt_port_page2.Header.PageVersion,
642 mpt->mpt_port_page2.Header.PageLength,
643 mpt->mpt_port_page2.Header.PageNumber,
644 mpt->mpt_port_page2.Header.PageType);
645
646 for (i = 0; i < 16; i++) {
647 rv = mpt_read_cfg_header(mpt, MPI_CONFIG_PAGETYPE_SCSI_DEVICE,
648 0, i, &mpt->mpt_dev_page0[i].Header, FALSE, 5000);
649 if (rv) {
650 return (-1);
651 }
652 mpt_lprt(mpt, MPT_PRT_DEBUG,
653 "SPI Target %d Device Page 0 Header: %x %x %x %x\n", i,
654 mpt->mpt_dev_page0[i].Header.PageVersion,
655 mpt->mpt_dev_page0[i].Header.PageLength,
656 mpt->mpt_dev_page0[i].Header.PageNumber,
657 mpt->mpt_dev_page0[i].Header.PageType);
658
659 rv = mpt_read_cfg_header(mpt, MPI_CONFIG_PAGETYPE_SCSI_DEVICE,
660 1, i, &mpt->mpt_dev_page1[i].Header, FALSE, 5000);
661 if (rv) {
662 return (-1);
663 }
664 mpt_lprt(mpt, MPT_PRT_DEBUG,
665 "SPI Target %d Device Page 1 Header: %x %x %x %x\n", i,
666 mpt->mpt_dev_page1[i].Header.PageVersion,
667 mpt->mpt_dev_page1[i].Header.PageLength,
668 mpt->mpt_dev_page1[i].Header.PageNumber,
669 mpt->mpt_dev_page1[i].Header.PageType);
670 }
671
672 /*
673 * At this point, we don't *have* to fail. As long as we have
674 * valid config header information, we can (barely) lurch
675 * along.
676 */
677
678 rv = mpt_read_cur_cfg_page(mpt, 0, &mpt->mpt_port_page0.Header,
679 sizeof(mpt->mpt_port_page0), FALSE, 5000);
680 if (rv) {
681 mpt_prt(mpt, "failed to read SPI Port Page 0\n");
682 } else {
683 mpt_lprt(mpt, MPT_PRT_NEGOTIATION,
684 "SPI Port Page 0: Capabilities %x PhysicalInterface %x\n",
685 mpt->mpt_port_page0.Capabilities,
686 mpt->mpt_port_page0.PhysicalInterface);
687 }
688
689 rv = mpt_read_cur_cfg_page(mpt, 0, &mpt->mpt_port_page1.Header,
690 sizeof(mpt->mpt_port_page1), FALSE, 5000);
691 if (rv) {
692 mpt_prt(mpt, "failed to read SPI Port Page 1\n");
693 } else {
694 mpt_lprt(mpt, MPT_PRT_DEBUG,
695 "SPI Port Page 1: Configuration %x OnBusTimerValue %x\n",
696 mpt->mpt_port_page1.Configuration,
697 mpt->mpt_port_page1.OnBusTimerValue);
698 }
699
700 rv = mpt_read_cur_cfg_page(mpt, 0, &mpt->mpt_port_page2.Header,
701 sizeof(mpt->mpt_port_page2), FALSE, 5000);
702 if (rv) {
703 mpt_prt(mpt, "failed to read SPI Port Page 2\n");
704 } else {
705 mpt_lprt(mpt, MPT_PRT_NEGOTIATION,
706 "Port Page 2: Flags %x Settings %x\n",
707 mpt->mpt_port_page2.PortFlags,
708 mpt->mpt_port_page2.PortSettings);
709 for (i = 0; i < 16; i++) {
710 mpt_lprt(mpt, MPT_PRT_NEGOTIATION,
711 " Port Page 2 Tgt %d: timo %x SF %x Flags %x\n",
712 i, mpt->mpt_port_page2.DeviceSettings[i].Timeout,
713 mpt->mpt_port_page2.DeviceSettings[i].SyncFactor,
714 mpt->mpt_port_page2.DeviceSettings[i].DeviceFlags);
715 }
716 }
717
718 for (i = 0; i < 16; i++) {
719 rv = mpt_read_cur_cfg_page(mpt, i,
720 &mpt->mpt_dev_page0[i].Header, sizeof(*mpt->mpt_dev_page0),
721 FALSE, 5000);
722 if (rv) {
723 mpt_prt(mpt,
724 "cannot read SPI Target %d Device Page 0\n", i);
725 continue;
726 }
727 mpt_lprt(mpt, MPT_PRT_NEGOTIATION,
728 "target %d page 0: Negotiated Params %x Information %x\n",
729 i, mpt->mpt_dev_page0[i].NegotiatedParameters,
730 mpt->mpt_dev_page0[i].Information);
731
732 rv = mpt_read_cur_cfg_page(mpt, i,
733 &mpt->mpt_dev_page1[i].Header, sizeof(*mpt->mpt_dev_page1),
734 FALSE, 5000);
735 if (rv) {
736 mpt_prt(mpt,
737 "cannot read SPI Target %d Device Page 1\n", i);
738 continue;
739 }
740 mpt_lprt(mpt, MPT_PRT_NEGOTIATION,
741 "target %d page 1: Requested Params %x Configuration %x\n",
742 i, mpt->mpt_dev_page1[i].RequestedParameters,
743 mpt->mpt_dev_page1[i].Configuration);
744 }
745 return (0);
746}
747
748/*
749 * Validate SPI configuration information.
750 *
751 * In particular, validate SPI Port Page 1.
752 */
753static int
754mpt_set_initial_config_spi(struct mpt_softc *mpt)
755{
756 int i, j, pp1val = ((1 << mpt->mpt_ini_id) << 16) | mpt->mpt_ini_id;
757 int error;
758
759 mpt->mpt_disc_enable = 0xff;
760 mpt->mpt_tag_enable = 0;
761
762 if (mpt->mpt_port_page1.Configuration != pp1val) {
763 CONFIG_PAGE_SCSI_PORT_1 tmp;
764
765 mpt_prt(mpt, "SPI Port Page 1 Config value bad (%x)- should "
766 "be %x\n", mpt->mpt_port_page1.Configuration, pp1val);
767 tmp = mpt->mpt_port_page1;
768 tmp.Configuration = pp1val;
769 error = mpt_write_cur_cfg_page(mpt, 0,
770 &tmp.Header, sizeof(tmp), FALSE, 5000);
771 if (error) {
772 return (-1);
773 }
774 error = mpt_read_cur_cfg_page(mpt, 0,
775 &tmp.Header, sizeof(tmp), FALSE, 5000);
776 if (error) {
777 return (-1);
778 }
779 if (tmp.Configuration != pp1val) {
780 mpt_prt(mpt,
781 "failed to reset SPI Port Page 1 Config value\n");
782 return (-1);
783 }
784 mpt->mpt_port_page1 = tmp;
785 }
786
787 /*
788 * The purpose of this exercise is to get
789 * all targets back to async/narrow.
790 *
791 * We skip this step if the BIOS has already negotiated
792 * speeds with the targets and does not require us to
793 * do Domain Validation.
794 */
795 i = mpt->mpt_port_page2.PortSettings &
796 MPI_SCSIPORTPAGE2_PORT_MASK_NEGO_MASTER_SETTINGS;
797 j = mpt->mpt_port_page2.PortFlags &
798 MPI_SCSIPORTPAGE2_PORT_FLAGS_DV_MASK;
799 if (i == MPI_SCSIPORTPAGE2_PORT_ALL_MASTER_SETTINGS /* &&
800 j == MPI_SCSIPORTPAGE2_PORT_FLAGS_OFF_DV */) {
801 mpt_lprt(mpt, MPT_PRT_NEGOTIATION,
802 "honoring BIOS transfer negotiations\n");
803 } else {
804 for (i = 0; i < 16; i++) {
805 mpt->mpt_dev_page1[i].RequestedParameters = 0;
806 mpt->mpt_dev_page1[i].Configuration = 0;
807 (void) mpt_update_spi_config(mpt, i);
808 }
809 }
810 return (0);
811}
812
813int
814mpt_cam_enable(struct mpt_softc *mpt)
815{
816 int error;
817
818 MPT_LOCK(mpt);
819
820 error = EIO;
803 if (mpt->is_fc) {
804 if (mpt_read_config_info_fc(mpt)) {
821 if (mpt->is_fc) {
822 if (mpt_read_config_info_fc(mpt)) {
805 return (EIO);
823 goto out;
806 }
807 if (mpt_set_initial_config_fc(mpt)) {
824 }
825 if (mpt_set_initial_config_fc(mpt)) {
808 return (EIO);
826 goto out;
809 }
810 } else if (mpt->is_sas) {
811 if (mpt_read_config_info_sas(mpt)) {
827 }
828 } else if (mpt->is_sas) {
829 if (mpt_read_config_info_sas(mpt)) {
812 return (EIO);
830 goto out;
813 }
814 if (mpt_set_initial_config_sas(mpt)) {
831 }
832 if (mpt_set_initial_config_sas(mpt)) {
815 return (EIO);
833 goto out;
816 }
817 } else if (mpt->is_spi) {
818 if (mpt_read_config_info_spi(mpt)) {
834 }
835 } else if (mpt->is_spi) {
836 if (mpt_read_config_info_spi(mpt)) {
819 return (EIO);
837 goto out;
820 }
821 if (mpt_set_initial_config_spi(mpt)) {
838 }
839 if (mpt_set_initial_config_spi(mpt)) {
822 return (EIO);
840 goto out;
823 }
824 }
841 }
842 }
825 return (0);
843 error = 0;
844
845out:
846 MPT_UNLOCK(mpt);
847 return (error);
826}
827
828void
829mpt_cam_ready(struct mpt_softc *mpt)
830{
831 /*
832 * If we're in target mode, hang out resources now
833 * so we don't cause the world to hang talking to us.
834 */
835 if (mpt->is_fc && (mpt->role & MPT_ROLE_TARGET)) {
836 /*
837 * Try to add some target command resources
838 */
839 MPT_LOCK(mpt);
840 if (mpt_add_target_commands(mpt) == FALSE) {
841 mpt_prt(mpt, "failed to add target commands\n");
842 }
843 MPT_UNLOCK(mpt);
844 }
845 mpt->ready = 1;
846}
847
848void
849mpt_cam_detach(struct mpt_softc *mpt)
850{
851 mpt_handler_t handler;
852
848}
849
850void
851mpt_cam_ready(struct mpt_softc *mpt)
852{
853 /*
854 * If we're in target mode, hang out resources now
855 * so we don't cause the world to hang talking to us.
856 */
857 if (mpt->is_fc && (mpt->role & MPT_ROLE_TARGET)) {
858 /*
859 * Try to add some target command resources
860 */
861 MPT_LOCK(mpt);
862 if (mpt_add_target_commands(mpt) == FALSE) {
863 mpt_prt(mpt, "failed to add target commands\n");
864 }
865 MPT_UNLOCK(mpt);
866 }
867 mpt->ready = 1;
868}
869
870void
871mpt_cam_detach(struct mpt_softc *mpt)
872{
873 mpt_handler_t handler;
874
875 MPT_LOCK(mpt);
853 mpt->ready = 0;
854 mpt_terminate_recovery_thread(mpt);
855
856 handler.reply_handler = mpt_scsi_reply_handler;
857 mpt_deregister_handler(mpt, MPT_HANDLER_REPLY, handler,
858 scsi_io_handler_id);
859 handler.reply_handler = mpt_scsi_tmf_reply_handler;
860 mpt_deregister_handler(mpt, MPT_HANDLER_REPLY, handler,
861 scsi_tmf_handler_id);
862 handler.reply_handler = mpt_fc_els_reply_handler;
863 mpt_deregister_handler(mpt, MPT_HANDLER_REPLY, handler,
864 fc_els_handler_id);
865 handler.reply_handler = mpt_scsi_tgt_reply_handler;
866 mpt_deregister_handler(mpt, MPT_HANDLER_REPLY, handler,
867 mpt->scsi_tgt_handler_id);
868
869 if (mpt->tmf_req != NULL) {
870 mpt->tmf_req->state = REQ_STATE_ALLOCATED;
871 mpt_free_request(mpt, mpt->tmf_req);
872 mpt->tmf_req = NULL;
873 }
876 mpt->ready = 0;
877 mpt_terminate_recovery_thread(mpt);
878
879 handler.reply_handler = mpt_scsi_reply_handler;
880 mpt_deregister_handler(mpt, MPT_HANDLER_REPLY, handler,
881 scsi_io_handler_id);
882 handler.reply_handler = mpt_scsi_tmf_reply_handler;
883 mpt_deregister_handler(mpt, MPT_HANDLER_REPLY, handler,
884 scsi_tmf_handler_id);
885 handler.reply_handler = mpt_fc_els_reply_handler;
886 mpt_deregister_handler(mpt, MPT_HANDLER_REPLY, handler,
887 fc_els_handler_id);
888 handler.reply_handler = mpt_scsi_tgt_reply_handler;
889 mpt_deregister_handler(mpt, MPT_HANDLER_REPLY, handler,
890 mpt->scsi_tgt_handler_id);
891
892 if (mpt->tmf_req != NULL) {
893 mpt->tmf_req->state = REQ_STATE_ALLOCATED;
894 mpt_free_request(mpt, mpt->tmf_req);
895 mpt->tmf_req = NULL;
896 }
897 MPT_UNLOCK(mpt);
874
875 if (mpt->sim != NULL) {
898
899 if (mpt->sim != NULL) {
876 MPTLOCK_2_CAMLOCK(mpt);
877 xpt_free_path(mpt->path);
878 xpt_bus_deregister(cam_sim_path(mpt->sim));
879 cam_sim_free(mpt->sim, TRUE);
880 mpt->sim = NULL;
900 xpt_free_path(mpt->path);
901 xpt_bus_deregister(cam_sim_path(mpt->sim));
902 cam_sim_free(mpt->sim, TRUE);
903 mpt->sim = NULL;
881 CAMLOCK_2_MPTLOCK(mpt);
882 }
883
884 if (mpt->phydisk_sim != NULL) {
904 }
905
906 if (mpt->phydisk_sim != NULL) {
885 MPTLOCK_2_CAMLOCK(mpt);
886 xpt_free_path(mpt->phydisk_path);
887 xpt_bus_deregister(cam_sim_path(mpt->phydisk_sim));
888 cam_sim_free(mpt->phydisk_sim, TRUE);
889 mpt->phydisk_sim = NULL;
907 xpt_free_path(mpt->phydisk_path);
908 xpt_bus_deregister(cam_sim_path(mpt->phydisk_sim));
909 cam_sim_free(mpt->phydisk_sim, TRUE);
910 mpt->phydisk_sim = NULL;
890 CAMLOCK_2_MPTLOCK(mpt);
891 }
892}
893
894/* This routine is used after a system crash to dump core onto the swap device.
895 */
896static void
897mpt_poll(struct cam_sim *sim)
898{
899 struct mpt_softc *mpt;
900
901 mpt = (struct mpt_softc *)cam_sim_softc(sim);
911 }
912}
913
914/* This routine is used after a system crash to dump core onto the swap device.
915 */
916static void
917mpt_poll(struct cam_sim *sim)
918{
919 struct mpt_softc *mpt;
920
921 mpt = (struct mpt_softc *)cam_sim_softc(sim);
902 MPT_LOCK(mpt);
903 mpt_intr(mpt);
922 mpt_intr(mpt);
904 MPT_UNLOCK(mpt);
905}
906
907/*
908 * Watchdog timeout routine for SCSI requests.
909 */
910static void
911mpt_timeout(void *arg)
912{
913 union ccb *ccb;
914 struct mpt_softc *mpt;
915 request_t *req;
916
917 ccb = (union ccb *)arg;
918 mpt = ccb->ccb_h.ccb_mpt_ptr;
919
920 MPT_LOCK(mpt);
921 req = ccb->ccb_h.ccb_req_ptr;
922 mpt_prt(mpt, "request %p:%u timed out for ccb %p (req->ccb %p)\n", req,
923 req->serno, ccb, req->ccb);
924/* XXX: WHAT ARE WE TRYING TO DO HERE? */
925 if ((req->state & REQ_STATE_QUEUED) == REQ_STATE_QUEUED) {
926 TAILQ_REMOVE(&mpt->request_pending_list, req, links);
927 TAILQ_INSERT_TAIL(&mpt->request_timeout_list, req, links);
928 req->state |= REQ_STATE_TIMEDOUT;
929 mpt_wakeup_recovery_thread(mpt);
930 }
931 MPT_UNLOCK(mpt);
932}
933
934/*
935 * Callback routine from "bus_dmamap_load" or, in simple cases, called directly.
936 *
937 * Takes a list of physical segments and builds the SGL for SCSI IO command
938 * and forwards the commard to the IOC after one last check that CAM has not
939 * aborted the transaction.
940 */
941static void
942mpt_execute_req_a64(void *arg, bus_dma_segment_t *dm_segs, int nseg, int error)
943{
944 request_t *req, *trq;
945 char *mpt_off;
946 union ccb *ccb;
947 struct mpt_softc *mpt;
948 int seg, first_lim;
949 uint32_t flags, nxt_off;
950 void *sglp = NULL;
951 MSG_REQUEST_HEADER *hdrp;
952 SGE_SIMPLE64 *se;
953 SGE_CHAIN64 *ce;
954 int istgt = 0;
955
956 req = (request_t *)arg;
957 ccb = req->ccb;
958
959 mpt = ccb->ccb_h.ccb_mpt_ptr;
960 req = ccb->ccb_h.ccb_req_ptr;
961
962 hdrp = req->req_vbuf;
963 mpt_off = req->req_vbuf;
964
965 if (error == 0 && ((uint32_t)nseg) >= mpt->max_seg_cnt) {
966 error = EFBIG;
967 }
968
969 if (error == 0) {
970 switch (hdrp->Function) {
971 case MPI_FUNCTION_SCSI_IO_REQUEST:
972 case MPI_FUNCTION_RAID_SCSI_IO_PASSTHROUGH:
973 istgt = 0;
974 sglp = &((PTR_MSG_SCSI_IO_REQUEST)hdrp)->SGL;
975 break;
976 case MPI_FUNCTION_TARGET_ASSIST:
977 istgt = 1;
978 sglp = &((PTR_MSG_TARGET_ASSIST_REQUEST)hdrp)->SGL;
979 break;
980 default:
981 mpt_prt(mpt, "bad fct 0x%x in mpt_execute_req_a64\n",
982 hdrp->Function);
983 error = EINVAL;
984 break;
985 }
986 }
987
988 if (error == 0 && ((uint32_t)nseg) >= mpt->max_seg_cnt) {
989 error = EFBIG;
990 mpt_prt(mpt, "segment count %d too large (max %u)\n",
991 nseg, mpt->max_seg_cnt);
992 }
993
994bad:
995 if (error != 0) {
996 if (error != EFBIG && error != ENOMEM) {
997 mpt_prt(mpt, "mpt_execute_req_a64: err %d\n", error);
998 }
999 if ((ccb->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_INPROG) {
1000 cam_status status;
1001 mpt_freeze_ccb(ccb);
1002 if (error == EFBIG) {
1003 status = CAM_REQ_TOO_BIG;
1004 } else if (error == ENOMEM) {
1005 if (mpt->outofbeer == 0) {
1006 mpt->outofbeer = 1;
1007 xpt_freeze_simq(mpt->sim, 1);
1008 mpt_lprt(mpt, MPT_PRT_DEBUG,
1009 "FREEZEQ\n");
1010 }
1011 status = CAM_REQUEUE_REQ;
1012 } else {
1013 status = CAM_REQ_CMP_ERR;
1014 }
1015 mpt_set_ccb_status(ccb, status);
1016 }
1017 if (hdrp->Function == MPI_FUNCTION_TARGET_ASSIST) {
1018 request_t *cmd_req =
1019 MPT_TAG_2_REQ(mpt, ccb->csio.tag_id);
1020 MPT_TGT_STATE(mpt, cmd_req)->state = TGT_STATE_IN_CAM;
1021 MPT_TGT_STATE(mpt, cmd_req)->ccb = NULL;
1022 MPT_TGT_STATE(mpt, cmd_req)->req = NULL;
1023 }
1024 ccb->ccb_h.status &= ~CAM_SIM_QUEUED;
1025 KASSERT(ccb->ccb_h.status, ("zero ccb sts at %d\n", __LINE__));
1026 xpt_done(ccb);
1027 CAMLOCK_2_MPTLOCK(mpt);
1028 mpt_free_request(mpt, req);
1029 MPTLOCK_2_CAMLOCK(mpt);
1030 return;
1031 }
1032
1033 /*
1034 * No data to transfer?
1035 * Just make a single simple SGL with zero length.
1036 */
1037
1038 if (mpt->verbose >= MPT_PRT_DEBUG) {
1039 int tidx = ((char *)sglp) - mpt_off;
1040 memset(&mpt_off[tidx], 0xff, MPT_REQUEST_AREA - tidx);
1041 }
1042
1043 if (nseg == 0) {
1044 SGE_SIMPLE32 *se1 = (SGE_SIMPLE32 *) sglp;
1045 MPI_pSGE_SET_FLAGS(se1,
1046 (MPI_SGE_FLAGS_LAST_ELEMENT | MPI_SGE_FLAGS_END_OF_BUFFER |
1047 MPI_SGE_FLAGS_SIMPLE_ELEMENT | MPI_SGE_FLAGS_END_OF_LIST));
1048 se1->FlagsLength = htole32(se1->FlagsLength);
1049 goto out;
1050 }
1051
1052
1053 flags = MPI_SGE_FLAGS_SIMPLE_ELEMENT | MPI_SGE_FLAGS_64_BIT_ADDRESSING;
1054 if (istgt == 0) {
1055 if ((ccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_OUT) {
1056 flags |= MPI_SGE_FLAGS_HOST_TO_IOC;
1057 }
1058 } else {
1059 if ((ccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN) {
1060 flags |= MPI_SGE_FLAGS_HOST_TO_IOC;
1061 }
1062 }
1063
1064 if (!(ccb->ccb_h.flags & (CAM_SG_LIST_PHYS|CAM_DATA_PHYS))) {
1065 bus_dmasync_op_t op;
1066 if (istgt == 0) {
1067 if ((ccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN) {
1068 op = BUS_DMASYNC_PREREAD;
1069 } else {
1070 op = BUS_DMASYNC_PREWRITE;
1071 }
1072 } else {
1073 if ((ccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN) {
1074 op = BUS_DMASYNC_PREWRITE;
1075 } else {
1076 op = BUS_DMASYNC_PREREAD;
1077 }
1078 }
1079 bus_dmamap_sync(mpt->buffer_dmat, req->dmap, op);
1080 }
1081
1082 /*
1083 * Okay, fill in what we can at the end of the command frame.
1084 * If we have up to MPT_NSGL_FIRST, we can fit them all into
1085 * the command frame.
1086 *
1087 * Otherwise, we fill up through MPT_NSGL_FIRST less one
1088 * SIMPLE64 pointers and start doing CHAIN64 entries after
1089 * that.
1090 */
1091
1092 if (nseg < MPT_NSGL_FIRST(mpt)) {
1093 first_lim = nseg;
1094 } else {
1095 /*
1096 * Leave room for CHAIN element
1097 */
1098 first_lim = MPT_NSGL_FIRST(mpt) - 1;
1099 }
1100
1101 se = (SGE_SIMPLE64 *) sglp;
1102 for (seg = 0; seg < first_lim; seg++, se++, dm_segs++) {
1103 uint32_t tf;
1104
1105 memset(se, 0, sizeof (*se));
1106 se->Address.Low = htole32(dm_segs->ds_addr & 0xffffffff);
1107 if (sizeof(bus_addr_t) > 4) {
1108 se->Address.High = ((uint64_t) dm_segs->ds_addr) >> 32;
1109 }
1110 MPI_pSGE_SET_LENGTH(se, dm_segs->ds_len);
1111 tf = flags;
1112 if (seg == first_lim - 1) {
1113 tf |= MPI_SGE_FLAGS_LAST_ELEMENT;
1114 }
1115 if (seg == nseg - 1) {
1116 tf |= MPI_SGE_FLAGS_END_OF_LIST |
1117 MPI_SGE_FLAGS_END_OF_BUFFER;
1118 }
1119 MPI_pSGE_SET_FLAGS(se, tf);
1120 se->FlagsLength = htole32(se->FlagsLength);
1121 }
1122
1123 if (seg == nseg) {
1124 goto out;
1125 }
1126
1127 /*
1128 * Tell the IOC where to find the first chain element.
1129 */
1130 hdrp->ChainOffset = ((char *)se - (char *)hdrp) >> 2;
1131 nxt_off = MPT_RQSL(mpt);
1132 trq = req;
1133
1134 /*
1135 * Make up the rest of the data segments out of a chain element
1136 * (contiained in the current request frame) which points to
1137 * SIMPLE64 elements in the next request frame, possibly ending
1138 * with *another* chain element (if there's more).
1139 */
1140 while (seg < nseg) {
1141 int this_seg_lim;
1142 uint32_t tf, cur_off;
1143 bus_addr_t chain_list_addr;
1144
1145 /*
1146 * Point to the chain descriptor. Note that the chain
1147 * descriptor is at the end of the *previous* list (whether
1148 * chain or simple).
1149 */
1150 ce = (SGE_CHAIN64 *) se;
1151
1152 /*
1153 * Before we change our current pointer, make sure we won't
1154 * overflow the request area with this frame. Note that we
1155 * test against 'greater than' here as it's okay in this case
1156 * to have next offset be just outside the request area.
1157 */
1158 if ((nxt_off + MPT_RQSL(mpt)) > MPT_REQUEST_AREA) {
1159 nxt_off = MPT_REQUEST_AREA;
1160 goto next_chain;
1161 }
1162
1163 /*
1164 * Set our SGE element pointer to the beginning of the chain
1165 * list and update our next chain list offset.
1166 */
1167 se = (SGE_SIMPLE64 *) &mpt_off[nxt_off];
1168 cur_off = nxt_off;
1169 nxt_off += MPT_RQSL(mpt);
1170
1171 /*
1172 * Now initialized the chain descriptor.
1173 */
1174 memset(ce, 0, sizeof (*ce));
1175
1176 /*
1177 * Get the physical address of the chain list.
1178 */
1179 chain_list_addr = trq->req_pbuf;
1180 chain_list_addr += cur_off;
1181 if (sizeof (bus_addr_t) > 4) {
1182 ce->Address.High =
1183 htole32((uint32_t) ((uint64_t)chain_list_addr >> 32));
1184 }
1185 ce->Address.Low = htole32((uint32_t) chain_list_addr);
1186 ce->Flags = MPI_SGE_FLAGS_CHAIN_ELEMENT |
1187 MPI_SGE_FLAGS_64_BIT_ADDRESSING;
1188
1189 /*
1190 * If we have more than a frame's worth of segments left,
1191 * set up the chain list to have the last element be another
1192 * chain descriptor.
1193 */
1194 if ((nseg - seg) > MPT_NSGL(mpt)) {
1195 this_seg_lim = seg + MPT_NSGL(mpt) - 1;
1196 /*
1197 * The length of the chain is the length in bytes of the
1198 * number of segments plus the next chain element.
1199 *
1200 * The next chain descriptor offset is the length,
1201 * in words, of the number of segments.
1202 */
1203 ce->Length = (this_seg_lim - seg) *
1204 sizeof (SGE_SIMPLE64);
1205 ce->NextChainOffset = ce->Length >> 2;
1206 ce->Length += sizeof (SGE_CHAIN64);
1207 } else {
1208 this_seg_lim = nseg;
1209 ce->Length = (this_seg_lim - seg) *
1210 sizeof (SGE_SIMPLE64);
1211 }
1212
1213 /*
1214 * Fill in the chain list SGE elements with our segment data.
1215 *
1216 * If we're the last element in this chain list, set the last
1217 * element flag. If we're the completely last element period,
1218 * set the end of list and end of buffer flags.
1219 */
1220 while (seg < this_seg_lim) {
1221 memset(se, 0, sizeof (*se));
1222 se->Address.Low = htole32(dm_segs->ds_addr);
1223 if (sizeof (bus_addr_t) > 4) {
1224 se->Address.High =
1225 htole32(((uint64_t)dm_segs->ds_addr) >> 32);
1226 }
1227 MPI_pSGE_SET_LENGTH(se, dm_segs->ds_len);
1228 tf = flags;
1229 if (seg == this_seg_lim - 1) {
1230 tf |= MPI_SGE_FLAGS_LAST_ELEMENT;
1231 }
1232 if (seg == nseg - 1) {
1233 tf |= MPI_SGE_FLAGS_END_OF_LIST |
1234 MPI_SGE_FLAGS_END_OF_BUFFER;
1235 }
1236 MPI_pSGE_SET_FLAGS(se, tf);
1237 se->FlagsLength = htole32(se->FlagsLength);
1238 se++;
1239 seg++;
1240 dm_segs++;
1241 }
1242
1243 next_chain:
1244 /*
1245 * If we have more segments to do and we've used up all of
1246 * the space in a request area, go allocate another one
1247 * and chain to that.
1248 */
1249 if (seg < nseg && nxt_off >= MPT_REQUEST_AREA) {
1250 request_t *nrq;
1251
1252 CAMLOCK_2_MPTLOCK(mpt);
1253 nrq = mpt_get_request(mpt, FALSE);
1254 MPTLOCK_2_CAMLOCK(mpt);
1255
1256 if (nrq == NULL) {
1257 error = ENOMEM;
1258 goto bad;
1259 }
1260
1261 /*
1262 * Append the new request area on the tail of our list.
1263 */
1264 if ((trq = req->chain) == NULL) {
1265 req->chain = nrq;
1266 } else {
1267 while (trq->chain != NULL) {
1268 trq = trq->chain;
1269 }
1270 trq->chain = nrq;
1271 }
1272 trq = nrq;
1273 mpt_off = trq->req_vbuf;
1274 if (mpt->verbose >= MPT_PRT_DEBUG) {
1275 memset(mpt_off, 0xff, MPT_REQUEST_AREA);
1276 }
1277 nxt_off = 0;
1278 }
1279 }
1280out:
1281
1282 /*
1283 * Last time we need to check if this CCB needs to be aborted.
1284 */
1285 if ((ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_INPROG) {
1286 if (hdrp->Function == MPI_FUNCTION_TARGET_ASSIST) {
1287 request_t *cmd_req =
1288 MPT_TAG_2_REQ(mpt, ccb->csio.tag_id);
1289 MPT_TGT_STATE(mpt, cmd_req)->state = TGT_STATE_IN_CAM;
1290 MPT_TGT_STATE(mpt, cmd_req)->ccb = NULL;
1291 MPT_TGT_STATE(mpt, cmd_req)->req = NULL;
1292 }
1293 mpt_prt(mpt,
1294 "mpt_execute_req_a64: I/O cancelled (status 0x%x)\n",
1295 ccb->ccb_h.status & CAM_STATUS_MASK);
1296 if (nseg && (ccb->ccb_h.flags & CAM_SG_LIST_PHYS) == 0) {
1297 bus_dmamap_unload(mpt->buffer_dmat, req->dmap);
1298 }
1299 ccb->ccb_h.status &= ~CAM_SIM_QUEUED;
1300 KASSERT(ccb->ccb_h.status, ("zero ccb sts at %d\n", __LINE__));
1301 xpt_done(ccb);
1302 CAMLOCK_2_MPTLOCK(mpt);
1303 mpt_free_request(mpt, req);
1304 MPTLOCK_2_CAMLOCK(mpt);
1305 return;
1306 }
1307
1308 ccb->ccb_h.status |= CAM_SIM_QUEUED;
1309 if (ccb->ccb_h.timeout != CAM_TIME_INFINITY) {
923}
924
925/*
926 * Watchdog timeout routine for SCSI requests.
927 */
928static void
929mpt_timeout(void *arg)
930{
931 union ccb *ccb;
932 struct mpt_softc *mpt;
933 request_t *req;
934
935 ccb = (union ccb *)arg;
936 mpt = ccb->ccb_h.ccb_mpt_ptr;
937
938 MPT_LOCK(mpt);
939 req = ccb->ccb_h.ccb_req_ptr;
940 mpt_prt(mpt, "request %p:%u timed out for ccb %p (req->ccb %p)\n", req,
941 req->serno, ccb, req->ccb);
942/* XXX: WHAT ARE WE TRYING TO DO HERE? */
943 if ((req->state & REQ_STATE_QUEUED) == REQ_STATE_QUEUED) {
944 TAILQ_REMOVE(&mpt->request_pending_list, req, links);
945 TAILQ_INSERT_TAIL(&mpt->request_timeout_list, req, links);
946 req->state |= REQ_STATE_TIMEDOUT;
947 mpt_wakeup_recovery_thread(mpt);
948 }
949 MPT_UNLOCK(mpt);
950}
951
952/*
953 * Callback routine from "bus_dmamap_load" or, in simple cases, called directly.
954 *
955 * Takes a list of physical segments and builds the SGL for SCSI IO command
956 * and forwards the commard to the IOC after one last check that CAM has not
957 * aborted the transaction.
958 */
959static void
960mpt_execute_req_a64(void *arg, bus_dma_segment_t *dm_segs, int nseg, int error)
961{
962 request_t *req, *trq;
963 char *mpt_off;
964 union ccb *ccb;
965 struct mpt_softc *mpt;
966 int seg, first_lim;
967 uint32_t flags, nxt_off;
968 void *sglp = NULL;
969 MSG_REQUEST_HEADER *hdrp;
970 SGE_SIMPLE64 *se;
971 SGE_CHAIN64 *ce;
972 int istgt = 0;
973
974 req = (request_t *)arg;
975 ccb = req->ccb;
976
977 mpt = ccb->ccb_h.ccb_mpt_ptr;
978 req = ccb->ccb_h.ccb_req_ptr;
979
980 hdrp = req->req_vbuf;
981 mpt_off = req->req_vbuf;
982
983 if (error == 0 && ((uint32_t)nseg) >= mpt->max_seg_cnt) {
984 error = EFBIG;
985 }
986
987 if (error == 0) {
988 switch (hdrp->Function) {
989 case MPI_FUNCTION_SCSI_IO_REQUEST:
990 case MPI_FUNCTION_RAID_SCSI_IO_PASSTHROUGH:
991 istgt = 0;
992 sglp = &((PTR_MSG_SCSI_IO_REQUEST)hdrp)->SGL;
993 break;
994 case MPI_FUNCTION_TARGET_ASSIST:
995 istgt = 1;
996 sglp = &((PTR_MSG_TARGET_ASSIST_REQUEST)hdrp)->SGL;
997 break;
998 default:
999 mpt_prt(mpt, "bad fct 0x%x in mpt_execute_req_a64\n",
1000 hdrp->Function);
1001 error = EINVAL;
1002 break;
1003 }
1004 }
1005
1006 if (error == 0 && ((uint32_t)nseg) >= mpt->max_seg_cnt) {
1007 error = EFBIG;
1008 mpt_prt(mpt, "segment count %d too large (max %u)\n",
1009 nseg, mpt->max_seg_cnt);
1010 }
1011
1012bad:
1013 if (error != 0) {
1014 if (error != EFBIG && error != ENOMEM) {
1015 mpt_prt(mpt, "mpt_execute_req_a64: err %d\n", error);
1016 }
1017 if ((ccb->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_INPROG) {
1018 cam_status status;
1019 mpt_freeze_ccb(ccb);
1020 if (error == EFBIG) {
1021 status = CAM_REQ_TOO_BIG;
1022 } else if (error == ENOMEM) {
1023 if (mpt->outofbeer == 0) {
1024 mpt->outofbeer = 1;
1025 xpt_freeze_simq(mpt->sim, 1);
1026 mpt_lprt(mpt, MPT_PRT_DEBUG,
1027 "FREEZEQ\n");
1028 }
1029 status = CAM_REQUEUE_REQ;
1030 } else {
1031 status = CAM_REQ_CMP_ERR;
1032 }
1033 mpt_set_ccb_status(ccb, status);
1034 }
1035 if (hdrp->Function == MPI_FUNCTION_TARGET_ASSIST) {
1036 request_t *cmd_req =
1037 MPT_TAG_2_REQ(mpt, ccb->csio.tag_id);
1038 MPT_TGT_STATE(mpt, cmd_req)->state = TGT_STATE_IN_CAM;
1039 MPT_TGT_STATE(mpt, cmd_req)->ccb = NULL;
1040 MPT_TGT_STATE(mpt, cmd_req)->req = NULL;
1041 }
1042 ccb->ccb_h.status &= ~CAM_SIM_QUEUED;
1043 KASSERT(ccb->ccb_h.status, ("zero ccb sts at %d\n", __LINE__));
1044 xpt_done(ccb);
1045 CAMLOCK_2_MPTLOCK(mpt);
1046 mpt_free_request(mpt, req);
1047 MPTLOCK_2_CAMLOCK(mpt);
1048 return;
1049 }
1050
1051 /*
1052 * No data to transfer?
1053 * Just make a single simple SGL with zero length.
1054 */
1055
1056 if (mpt->verbose >= MPT_PRT_DEBUG) {
1057 int tidx = ((char *)sglp) - mpt_off;
1058 memset(&mpt_off[tidx], 0xff, MPT_REQUEST_AREA - tidx);
1059 }
1060
1061 if (nseg == 0) {
1062 SGE_SIMPLE32 *se1 = (SGE_SIMPLE32 *) sglp;
1063 MPI_pSGE_SET_FLAGS(se1,
1064 (MPI_SGE_FLAGS_LAST_ELEMENT | MPI_SGE_FLAGS_END_OF_BUFFER |
1065 MPI_SGE_FLAGS_SIMPLE_ELEMENT | MPI_SGE_FLAGS_END_OF_LIST));
1066 se1->FlagsLength = htole32(se1->FlagsLength);
1067 goto out;
1068 }
1069
1070
1071 flags = MPI_SGE_FLAGS_SIMPLE_ELEMENT | MPI_SGE_FLAGS_64_BIT_ADDRESSING;
1072 if (istgt == 0) {
1073 if ((ccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_OUT) {
1074 flags |= MPI_SGE_FLAGS_HOST_TO_IOC;
1075 }
1076 } else {
1077 if ((ccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN) {
1078 flags |= MPI_SGE_FLAGS_HOST_TO_IOC;
1079 }
1080 }
1081
1082 if (!(ccb->ccb_h.flags & (CAM_SG_LIST_PHYS|CAM_DATA_PHYS))) {
1083 bus_dmasync_op_t op;
1084 if (istgt == 0) {
1085 if ((ccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN) {
1086 op = BUS_DMASYNC_PREREAD;
1087 } else {
1088 op = BUS_DMASYNC_PREWRITE;
1089 }
1090 } else {
1091 if ((ccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN) {
1092 op = BUS_DMASYNC_PREWRITE;
1093 } else {
1094 op = BUS_DMASYNC_PREREAD;
1095 }
1096 }
1097 bus_dmamap_sync(mpt->buffer_dmat, req->dmap, op);
1098 }
1099
1100 /*
1101 * Okay, fill in what we can at the end of the command frame.
1102 * If we have up to MPT_NSGL_FIRST, we can fit them all into
1103 * the command frame.
1104 *
1105 * Otherwise, we fill up through MPT_NSGL_FIRST less one
1106 * SIMPLE64 pointers and start doing CHAIN64 entries after
1107 * that.
1108 */
1109
1110 if (nseg < MPT_NSGL_FIRST(mpt)) {
1111 first_lim = nseg;
1112 } else {
1113 /*
1114 * Leave room for CHAIN element
1115 */
1116 first_lim = MPT_NSGL_FIRST(mpt) - 1;
1117 }
1118
1119 se = (SGE_SIMPLE64 *) sglp;
1120 for (seg = 0; seg < first_lim; seg++, se++, dm_segs++) {
1121 uint32_t tf;
1122
1123 memset(se, 0, sizeof (*se));
1124 se->Address.Low = htole32(dm_segs->ds_addr & 0xffffffff);
1125 if (sizeof(bus_addr_t) > 4) {
1126 se->Address.High = ((uint64_t) dm_segs->ds_addr) >> 32;
1127 }
1128 MPI_pSGE_SET_LENGTH(se, dm_segs->ds_len);
1129 tf = flags;
1130 if (seg == first_lim - 1) {
1131 tf |= MPI_SGE_FLAGS_LAST_ELEMENT;
1132 }
1133 if (seg == nseg - 1) {
1134 tf |= MPI_SGE_FLAGS_END_OF_LIST |
1135 MPI_SGE_FLAGS_END_OF_BUFFER;
1136 }
1137 MPI_pSGE_SET_FLAGS(se, tf);
1138 se->FlagsLength = htole32(se->FlagsLength);
1139 }
1140
1141 if (seg == nseg) {
1142 goto out;
1143 }
1144
1145 /*
1146 * Tell the IOC where to find the first chain element.
1147 */
1148 hdrp->ChainOffset = ((char *)se - (char *)hdrp) >> 2;
1149 nxt_off = MPT_RQSL(mpt);
1150 trq = req;
1151
1152 /*
1153 * Make up the rest of the data segments out of a chain element
1154 * (contiained in the current request frame) which points to
1155 * SIMPLE64 elements in the next request frame, possibly ending
1156 * with *another* chain element (if there's more).
1157 */
1158 while (seg < nseg) {
1159 int this_seg_lim;
1160 uint32_t tf, cur_off;
1161 bus_addr_t chain_list_addr;
1162
1163 /*
1164 * Point to the chain descriptor. Note that the chain
1165 * descriptor is at the end of the *previous* list (whether
1166 * chain or simple).
1167 */
1168 ce = (SGE_CHAIN64 *) se;
1169
1170 /*
1171 * Before we change our current pointer, make sure we won't
1172 * overflow the request area with this frame. Note that we
1173 * test against 'greater than' here as it's okay in this case
1174 * to have next offset be just outside the request area.
1175 */
1176 if ((nxt_off + MPT_RQSL(mpt)) > MPT_REQUEST_AREA) {
1177 nxt_off = MPT_REQUEST_AREA;
1178 goto next_chain;
1179 }
1180
1181 /*
1182 * Set our SGE element pointer to the beginning of the chain
1183 * list and update our next chain list offset.
1184 */
1185 se = (SGE_SIMPLE64 *) &mpt_off[nxt_off];
1186 cur_off = nxt_off;
1187 nxt_off += MPT_RQSL(mpt);
1188
1189 /*
1190 * Now initialized the chain descriptor.
1191 */
1192 memset(ce, 0, sizeof (*ce));
1193
1194 /*
1195 * Get the physical address of the chain list.
1196 */
1197 chain_list_addr = trq->req_pbuf;
1198 chain_list_addr += cur_off;
1199 if (sizeof (bus_addr_t) > 4) {
1200 ce->Address.High =
1201 htole32((uint32_t) ((uint64_t)chain_list_addr >> 32));
1202 }
1203 ce->Address.Low = htole32((uint32_t) chain_list_addr);
1204 ce->Flags = MPI_SGE_FLAGS_CHAIN_ELEMENT |
1205 MPI_SGE_FLAGS_64_BIT_ADDRESSING;
1206
1207 /*
1208 * If we have more than a frame's worth of segments left,
1209 * set up the chain list to have the last element be another
1210 * chain descriptor.
1211 */
1212 if ((nseg - seg) > MPT_NSGL(mpt)) {
1213 this_seg_lim = seg + MPT_NSGL(mpt) - 1;
1214 /*
1215 * The length of the chain is the length in bytes of the
1216 * number of segments plus the next chain element.
1217 *
1218 * The next chain descriptor offset is the length,
1219 * in words, of the number of segments.
1220 */
1221 ce->Length = (this_seg_lim - seg) *
1222 sizeof (SGE_SIMPLE64);
1223 ce->NextChainOffset = ce->Length >> 2;
1224 ce->Length += sizeof (SGE_CHAIN64);
1225 } else {
1226 this_seg_lim = nseg;
1227 ce->Length = (this_seg_lim - seg) *
1228 sizeof (SGE_SIMPLE64);
1229 }
1230
1231 /*
1232 * Fill in the chain list SGE elements with our segment data.
1233 *
1234 * If we're the last element in this chain list, set the last
1235 * element flag. If we're the completely last element period,
1236 * set the end of list and end of buffer flags.
1237 */
1238 while (seg < this_seg_lim) {
1239 memset(se, 0, sizeof (*se));
1240 se->Address.Low = htole32(dm_segs->ds_addr);
1241 if (sizeof (bus_addr_t) > 4) {
1242 se->Address.High =
1243 htole32(((uint64_t)dm_segs->ds_addr) >> 32);
1244 }
1245 MPI_pSGE_SET_LENGTH(se, dm_segs->ds_len);
1246 tf = flags;
1247 if (seg == this_seg_lim - 1) {
1248 tf |= MPI_SGE_FLAGS_LAST_ELEMENT;
1249 }
1250 if (seg == nseg - 1) {
1251 tf |= MPI_SGE_FLAGS_END_OF_LIST |
1252 MPI_SGE_FLAGS_END_OF_BUFFER;
1253 }
1254 MPI_pSGE_SET_FLAGS(se, tf);
1255 se->FlagsLength = htole32(se->FlagsLength);
1256 se++;
1257 seg++;
1258 dm_segs++;
1259 }
1260
1261 next_chain:
1262 /*
1263 * If we have more segments to do and we've used up all of
1264 * the space in a request area, go allocate another one
1265 * and chain to that.
1266 */
1267 if (seg < nseg && nxt_off >= MPT_REQUEST_AREA) {
1268 request_t *nrq;
1269
1270 CAMLOCK_2_MPTLOCK(mpt);
1271 nrq = mpt_get_request(mpt, FALSE);
1272 MPTLOCK_2_CAMLOCK(mpt);
1273
1274 if (nrq == NULL) {
1275 error = ENOMEM;
1276 goto bad;
1277 }
1278
1279 /*
1280 * Append the new request area on the tail of our list.
1281 */
1282 if ((trq = req->chain) == NULL) {
1283 req->chain = nrq;
1284 } else {
1285 while (trq->chain != NULL) {
1286 trq = trq->chain;
1287 }
1288 trq->chain = nrq;
1289 }
1290 trq = nrq;
1291 mpt_off = trq->req_vbuf;
1292 if (mpt->verbose >= MPT_PRT_DEBUG) {
1293 memset(mpt_off, 0xff, MPT_REQUEST_AREA);
1294 }
1295 nxt_off = 0;
1296 }
1297 }
1298out:
1299
1300 /*
1301 * Last time we need to check if this CCB needs to be aborted.
1302 */
1303 if ((ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_INPROG) {
1304 if (hdrp->Function == MPI_FUNCTION_TARGET_ASSIST) {
1305 request_t *cmd_req =
1306 MPT_TAG_2_REQ(mpt, ccb->csio.tag_id);
1307 MPT_TGT_STATE(mpt, cmd_req)->state = TGT_STATE_IN_CAM;
1308 MPT_TGT_STATE(mpt, cmd_req)->ccb = NULL;
1309 MPT_TGT_STATE(mpt, cmd_req)->req = NULL;
1310 }
1311 mpt_prt(mpt,
1312 "mpt_execute_req_a64: I/O cancelled (status 0x%x)\n",
1313 ccb->ccb_h.status & CAM_STATUS_MASK);
1314 if (nseg && (ccb->ccb_h.flags & CAM_SG_LIST_PHYS) == 0) {
1315 bus_dmamap_unload(mpt->buffer_dmat, req->dmap);
1316 }
1317 ccb->ccb_h.status &= ~CAM_SIM_QUEUED;
1318 KASSERT(ccb->ccb_h.status, ("zero ccb sts at %d\n", __LINE__));
1319 xpt_done(ccb);
1320 CAMLOCK_2_MPTLOCK(mpt);
1321 mpt_free_request(mpt, req);
1322 MPTLOCK_2_CAMLOCK(mpt);
1323 return;
1324 }
1325
1326 ccb->ccb_h.status |= CAM_SIM_QUEUED;
1327 if (ccb->ccb_h.timeout != CAM_TIME_INFINITY) {
1310 ccb->ccb_h.timeout_ch =
1311 timeout(mpt_timeout, (caddr_t)ccb,
1312 (ccb->ccb_h.timeout * hz) / 1000);
1328 mpt_req_timeout(req, (ccb->ccb_h.timeout * hz) / 1000,
1329 mpt_timeout, ccb);
1313 } else {
1330 } else {
1314 callout_handle_init(&ccb->ccb_h.timeout_ch);
1331 mpt_req_timeout_init(req);
1315 }
1316 if (mpt->verbose > MPT_PRT_DEBUG) {
1317 int nc = 0;
1318 mpt_print_request(req->req_vbuf);
1319 for (trq = req->chain; trq; trq = trq->chain) {
1320 printf(" Additional Chain Area %d\n", nc++);
1321 mpt_dump_sgl(trq->req_vbuf, 0);
1322 }
1323 }
1324
1325 if (hdrp->Function == MPI_FUNCTION_TARGET_ASSIST) {
1326 request_t *cmd_req = MPT_TAG_2_REQ(mpt, ccb->csio.tag_id);
1327 mpt_tgt_state_t *tgt = MPT_TGT_STATE(mpt, cmd_req);
1328#ifdef WE_TRUST_AUTO_GOOD_STATUS
1329 if ((ccb->ccb_h.flags & CAM_SEND_STATUS) &&
1330 csio->scsi_status == SCSI_STATUS_OK && tgt->resid == 0) {
1331 tgt->state = TGT_STATE_MOVING_DATA_AND_STATUS;
1332 } else {
1333 tgt->state = TGT_STATE_MOVING_DATA;
1334 }
1335#else
1336 tgt->state = TGT_STATE_MOVING_DATA;
1337#endif
1338 }
1339 CAMLOCK_2_MPTLOCK(mpt);
1340 mpt_send_cmd(mpt, req);
1341 MPTLOCK_2_CAMLOCK(mpt);
1342}
1343
1344static void
1345mpt_execute_req(void *arg, bus_dma_segment_t *dm_segs, int nseg, int error)
1346{
1347 request_t *req, *trq;
1348 char *mpt_off;
1349 union ccb *ccb;
1350 struct mpt_softc *mpt;
1351 int seg, first_lim;
1352 uint32_t flags, nxt_off;
1353 void *sglp = NULL;
1354 MSG_REQUEST_HEADER *hdrp;
1355 SGE_SIMPLE32 *se;
1356 SGE_CHAIN32 *ce;
1357 int istgt = 0;
1358
1359 req = (request_t *)arg;
1360 ccb = req->ccb;
1361
1362 mpt = ccb->ccb_h.ccb_mpt_ptr;
1363 req = ccb->ccb_h.ccb_req_ptr;
1364
1365 hdrp = req->req_vbuf;
1366 mpt_off = req->req_vbuf;
1367
1368
1369 if (error == 0 && ((uint32_t)nseg) >= mpt->max_seg_cnt) {
1370 error = EFBIG;
1371 }
1372
1373 if (error == 0) {
1374 switch (hdrp->Function) {
1375 case MPI_FUNCTION_SCSI_IO_REQUEST:
1376 case MPI_FUNCTION_RAID_SCSI_IO_PASSTHROUGH:
1377 sglp = &((PTR_MSG_SCSI_IO_REQUEST)hdrp)->SGL;
1378 break;
1379 case MPI_FUNCTION_TARGET_ASSIST:
1380 istgt = 1;
1381 sglp = &((PTR_MSG_TARGET_ASSIST_REQUEST)hdrp)->SGL;
1382 break;
1383 default:
1384 mpt_prt(mpt, "bad fct 0x%x in mpt_execute_req\n",
1385 hdrp->Function);
1386 error = EINVAL;
1387 break;
1388 }
1389 }
1390
1391 if (error == 0 && ((uint32_t)nseg) >= mpt->max_seg_cnt) {
1392 error = EFBIG;
1393 mpt_prt(mpt, "segment count %d too large (max %u)\n",
1394 nseg, mpt->max_seg_cnt);
1395 }
1396
1397bad:
1398 if (error != 0) {
1399 if (error != EFBIG && error != ENOMEM) {
1400 mpt_prt(mpt, "mpt_execute_req: err %d\n", error);
1401 }
1402 if ((ccb->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_INPROG) {
1403 cam_status status;
1404 mpt_freeze_ccb(ccb);
1405 if (error == EFBIG) {
1406 status = CAM_REQ_TOO_BIG;
1407 } else if (error == ENOMEM) {
1408 if (mpt->outofbeer == 0) {
1409 mpt->outofbeer = 1;
1410 xpt_freeze_simq(mpt->sim, 1);
1411 mpt_lprt(mpt, MPT_PRT_DEBUG,
1412 "FREEZEQ\n");
1413 }
1414 status = CAM_REQUEUE_REQ;
1415 } else {
1416 status = CAM_REQ_CMP_ERR;
1417 }
1418 mpt_set_ccb_status(ccb, status);
1419 }
1420 if (hdrp->Function == MPI_FUNCTION_TARGET_ASSIST) {
1421 request_t *cmd_req =
1422 MPT_TAG_2_REQ(mpt, ccb->csio.tag_id);
1423 MPT_TGT_STATE(mpt, cmd_req)->state = TGT_STATE_IN_CAM;
1424 MPT_TGT_STATE(mpt, cmd_req)->ccb = NULL;
1425 MPT_TGT_STATE(mpt, cmd_req)->req = NULL;
1426 }
1427 ccb->ccb_h.status &= ~CAM_SIM_QUEUED;
1428 KASSERT(ccb->ccb_h.status, ("zero ccb sts at %d\n", __LINE__));
1429 xpt_done(ccb);
1430 CAMLOCK_2_MPTLOCK(mpt);
1431 mpt_free_request(mpt, req);
1432 MPTLOCK_2_CAMLOCK(mpt);
1433 return;
1434 }
1435
1436 /*
1437 * No data to transfer?
1438 * Just make a single simple SGL with zero length.
1439 */
1440
1441 if (mpt->verbose >= MPT_PRT_DEBUG) {
1442 int tidx = ((char *)sglp) - mpt_off;
1443 memset(&mpt_off[tidx], 0xff, MPT_REQUEST_AREA - tidx);
1444 }
1445
1446 if (nseg == 0) {
1447 SGE_SIMPLE32 *se1 = (SGE_SIMPLE32 *) sglp;
1448 MPI_pSGE_SET_FLAGS(se1,
1449 (MPI_SGE_FLAGS_LAST_ELEMENT | MPI_SGE_FLAGS_END_OF_BUFFER |
1450 MPI_SGE_FLAGS_SIMPLE_ELEMENT | MPI_SGE_FLAGS_END_OF_LIST));
1451 se1->FlagsLength = htole32(se1->FlagsLength);
1452 goto out;
1453 }
1454
1455
1456 flags = MPI_SGE_FLAGS_SIMPLE_ELEMENT;
1457 if (istgt == 0) {
1458 if ((ccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_OUT) {
1459 flags |= MPI_SGE_FLAGS_HOST_TO_IOC;
1460 }
1461 } else {
1462 if ((ccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN) {
1463 flags |= MPI_SGE_FLAGS_HOST_TO_IOC;
1464 }
1465 }
1466
1467 if (!(ccb->ccb_h.flags & (CAM_SG_LIST_PHYS|CAM_DATA_PHYS))) {
1468 bus_dmasync_op_t op;
1469 if (istgt) {
1470 if ((ccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN) {
1471 op = BUS_DMASYNC_PREREAD;
1472 } else {
1473 op = BUS_DMASYNC_PREWRITE;
1474 }
1475 } else {
1476 if ((ccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN) {
1477 op = BUS_DMASYNC_PREWRITE;
1478 } else {
1479 op = BUS_DMASYNC_PREREAD;
1480 }
1481 }
1482 bus_dmamap_sync(mpt->buffer_dmat, req->dmap, op);
1483 }
1484
1485 /*
1486 * Okay, fill in what we can at the end of the command frame.
1487 * If we have up to MPT_NSGL_FIRST, we can fit them all into
1488 * the command frame.
1489 *
1490 * Otherwise, we fill up through MPT_NSGL_FIRST less one
1491 * SIMPLE32 pointers and start doing CHAIN32 entries after
1492 * that.
1493 */
1494
1495 if (nseg < MPT_NSGL_FIRST(mpt)) {
1496 first_lim = nseg;
1497 } else {
1498 /*
1499 * Leave room for CHAIN element
1500 */
1501 first_lim = MPT_NSGL_FIRST(mpt) - 1;
1502 }
1503
1504 se = (SGE_SIMPLE32 *) sglp;
1505 for (seg = 0; seg < first_lim; seg++, se++, dm_segs++) {
1506 uint32_t tf;
1507
1508 memset(se, 0,sizeof (*se));
1509 se->Address = dm_segs->ds_addr;
1510
1511
1512
1513 MPI_pSGE_SET_LENGTH(se, dm_segs->ds_len);
1514 tf = flags;
1515 if (seg == first_lim - 1) {
1516 tf |= MPI_SGE_FLAGS_LAST_ELEMENT;
1517 }
1518 if (seg == nseg - 1) {
1519 tf |= MPI_SGE_FLAGS_END_OF_LIST |
1520 MPI_SGE_FLAGS_END_OF_BUFFER;
1521 }
1522 MPI_pSGE_SET_FLAGS(se, tf);
1523 se->FlagsLength = htole32(se->FlagsLength);
1524 }
1525
1526 if (seg == nseg) {
1527 goto out;
1528 }
1529
1530 /*
1531 * Tell the IOC where to find the first chain element.
1532 */
1533 hdrp->ChainOffset = ((char *)se - (char *)hdrp) >> 2;
1534 nxt_off = MPT_RQSL(mpt);
1535 trq = req;
1536
1537 /*
1538 * Make up the rest of the data segments out of a chain element
1539 * (contiained in the current request frame) which points to
1540 * SIMPLE32 elements in the next request frame, possibly ending
1541 * with *another* chain element (if there's more).
1542 */
1543 while (seg < nseg) {
1544 int this_seg_lim;
1545 uint32_t tf, cur_off;
1546 bus_addr_t chain_list_addr;
1547
1548 /*
1549 * Point to the chain descriptor. Note that the chain
1550 * descriptor is at the end of the *previous* list (whether
1551 * chain or simple).
1552 */
1553 ce = (SGE_CHAIN32 *) se;
1554
1555 /*
1556 * Before we change our current pointer, make sure we won't
1557 * overflow the request area with this frame. Note that we
1558 * test against 'greater than' here as it's okay in this case
1559 * to have next offset be just outside the request area.
1560 */
1561 if ((nxt_off + MPT_RQSL(mpt)) > MPT_REQUEST_AREA) {
1562 nxt_off = MPT_REQUEST_AREA;
1563 goto next_chain;
1564 }
1565
1566 /*
1567 * Set our SGE element pointer to the beginning of the chain
1568 * list and update our next chain list offset.
1569 */
1570 se = (SGE_SIMPLE32 *) &mpt_off[nxt_off];
1571 cur_off = nxt_off;
1572 nxt_off += MPT_RQSL(mpt);
1573
1574 /*
1575 * Now initialized the chain descriptor.
1576 */
1577 memset(ce, 0, sizeof (*ce));
1578
1579 /*
1580 * Get the physical address of the chain list.
1581 */
1582 chain_list_addr = trq->req_pbuf;
1583 chain_list_addr += cur_off;
1584
1585
1586
1587 ce->Address = chain_list_addr;
1588 ce->Flags = MPI_SGE_FLAGS_CHAIN_ELEMENT;
1589
1590
1591 /*
1592 * If we have more than a frame's worth of segments left,
1593 * set up the chain list to have the last element be another
1594 * chain descriptor.
1595 */
1596 if ((nseg - seg) > MPT_NSGL(mpt)) {
1597 this_seg_lim = seg + MPT_NSGL(mpt) - 1;
1598 /*
1599 * The length of the chain is the length in bytes of the
1600 * number of segments plus the next chain element.
1601 *
1602 * The next chain descriptor offset is the length,
1603 * in words, of the number of segments.
1604 */
1605 ce->Length = (this_seg_lim - seg) *
1606 sizeof (SGE_SIMPLE32);
1607 ce->NextChainOffset = ce->Length >> 2;
1608 ce->Length += sizeof (SGE_CHAIN32);
1609 } else {
1610 this_seg_lim = nseg;
1611 ce->Length = (this_seg_lim - seg) *
1612 sizeof (SGE_SIMPLE32);
1613 }
1614
1615 /*
1616 * Fill in the chain list SGE elements with our segment data.
1617 *
1618 * If we're the last element in this chain list, set the last
1619 * element flag. If we're the completely last element period,
1620 * set the end of list and end of buffer flags.
1621 */
1622 while (seg < this_seg_lim) {
1623 memset(se, 0, sizeof (*se));
1624 se->Address = dm_segs->ds_addr;
1625
1626
1627
1628
1629 MPI_pSGE_SET_LENGTH(se, dm_segs->ds_len);
1630 tf = flags;
1631 if (seg == this_seg_lim - 1) {
1632 tf |= MPI_SGE_FLAGS_LAST_ELEMENT;
1633 }
1634 if (seg == nseg - 1) {
1635 tf |= MPI_SGE_FLAGS_END_OF_LIST |
1636 MPI_SGE_FLAGS_END_OF_BUFFER;
1637 }
1638 MPI_pSGE_SET_FLAGS(se, tf);
1639 se->FlagsLength = htole32(se->FlagsLength);
1640 se++;
1641 seg++;
1642 dm_segs++;
1643 }
1644
1645 next_chain:
1646 /*
1647 * If we have more segments to do and we've used up all of
1648 * the space in a request area, go allocate another one
1649 * and chain to that.
1650 */
1651 if (seg < nseg && nxt_off >= MPT_REQUEST_AREA) {
1652 request_t *nrq;
1653
1654 CAMLOCK_2_MPTLOCK(mpt);
1655 nrq = mpt_get_request(mpt, FALSE);
1656 MPTLOCK_2_CAMLOCK(mpt);
1657
1658 if (nrq == NULL) {
1659 error = ENOMEM;
1660 goto bad;
1661 }
1662
1663 /*
1664 * Append the new request area on the tail of our list.
1665 */
1666 if ((trq = req->chain) == NULL) {
1667 req->chain = nrq;
1668 } else {
1669 while (trq->chain != NULL) {
1670 trq = trq->chain;
1671 }
1672 trq->chain = nrq;
1673 }
1674 trq = nrq;
1675 mpt_off = trq->req_vbuf;
1676 if (mpt->verbose >= MPT_PRT_DEBUG) {
1677 memset(mpt_off, 0xff, MPT_REQUEST_AREA);
1678 }
1679 nxt_off = 0;
1680 }
1681 }
1682out:
1683
1684 /*
1685 * Last time we need to check if this CCB needs to be aborted.
1686 */
1687 if ((ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_INPROG) {
1688 if (hdrp->Function == MPI_FUNCTION_TARGET_ASSIST) {
1689 request_t *cmd_req =
1690 MPT_TAG_2_REQ(mpt, ccb->csio.tag_id);
1691 MPT_TGT_STATE(mpt, cmd_req)->state = TGT_STATE_IN_CAM;
1692 MPT_TGT_STATE(mpt, cmd_req)->ccb = NULL;
1693 MPT_TGT_STATE(mpt, cmd_req)->req = NULL;
1694 }
1695 mpt_prt(mpt,
1696 "mpt_execute_req: I/O cancelled (status 0x%x)\n",
1697 ccb->ccb_h.status & CAM_STATUS_MASK);
1698 if (nseg && (ccb->ccb_h.flags & CAM_SG_LIST_PHYS) == 0) {
1699 bus_dmamap_unload(mpt->buffer_dmat, req->dmap);
1700 }
1701 ccb->ccb_h.status &= ~CAM_SIM_QUEUED;
1702 KASSERT(ccb->ccb_h.status, ("zero ccb sts at %d\n", __LINE__));
1703 xpt_done(ccb);
1704 CAMLOCK_2_MPTLOCK(mpt);
1705 mpt_free_request(mpt, req);
1706 MPTLOCK_2_CAMLOCK(mpt);
1707 return;
1708 }
1709
1710 ccb->ccb_h.status |= CAM_SIM_QUEUED;
1711 if (ccb->ccb_h.timeout != CAM_TIME_INFINITY) {
1332 }
1333 if (mpt->verbose > MPT_PRT_DEBUG) {
1334 int nc = 0;
1335 mpt_print_request(req->req_vbuf);
1336 for (trq = req->chain; trq; trq = trq->chain) {
1337 printf(" Additional Chain Area %d\n", nc++);
1338 mpt_dump_sgl(trq->req_vbuf, 0);
1339 }
1340 }
1341
1342 if (hdrp->Function == MPI_FUNCTION_TARGET_ASSIST) {
1343 request_t *cmd_req = MPT_TAG_2_REQ(mpt, ccb->csio.tag_id);
1344 mpt_tgt_state_t *tgt = MPT_TGT_STATE(mpt, cmd_req);
1345#ifdef WE_TRUST_AUTO_GOOD_STATUS
1346 if ((ccb->ccb_h.flags & CAM_SEND_STATUS) &&
1347 csio->scsi_status == SCSI_STATUS_OK && tgt->resid == 0) {
1348 tgt->state = TGT_STATE_MOVING_DATA_AND_STATUS;
1349 } else {
1350 tgt->state = TGT_STATE_MOVING_DATA;
1351 }
1352#else
1353 tgt->state = TGT_STATE_MOVING_DATA;
1354#endif
1355 }
1356 CAMLOCK_2_MPTLOCK(mpt);
1357 mpt_send_cmd(mpt, req);
1358 MPTLOCK_2_CAMLOCK(mpt);
1359}
1360
1361static void
1362mpt_execute_req(void *arg, bus_dma_segment_t *dm_segs, int nseg, int error)
1363{
1364 request_t *req, *trq;
1365 char *mpt_off;
1366 union ccb *ccb;
1367 struct mpt_softc *mpt;
1368 int seg, first_lim;
1369 uint32_t flags, nxt_off;
1370 void *sglp = NULL;
1371 MSG_REQUEST_HEADER *hdrp;
1372 SGE_SIMPLE32 *se;
1373 SGE_CHAIN32 *ce;
1374 int istgt = 0;
1375
1376 req = (request_t *)arg;
1377 ccb = req->ccb;
1378
1379 mpt = ccb->ccb_h.ccb_mpt_ptr;
1380 req = ccb->ccb_h.ccb_req_ptr;
1381
1382 hdrp = req->req_vbuf;
1383 mpt_off = req->req_vbuf;
1384
1385
1386 if (error == 0 && ((uint32_t)nseg) >= mpt->max_seg_cnt) {
1387 error = EFBIG;
1388 }
1389
1390 if (error == 0) {
1391 switch (hdrp->Function) {
1392 case MPI_FUNCTION_SCSI_IO_REQUEST:
1393 case MPI_FUNCTION_RAID_SCSI_IO_PASSTHROUGH:
1394 sglp = &((PTR_MSG_SCSI_IO_REQUEST)hdrp)->SGL;
1395 break;
1396 case MPI_FUNCTION_TARGET_ASSIST:
1397 istgt = 1;
1398 sglp = &((PTR_MSG_TARGET_ASSIST_REQUEST)hdrp)->SGL;
1399 break;
1400 default:
1401 mpt_prt(mpt, "bad fct 0x%x in mpt_execute_req\n",
1402 hdrp->Function);
1403 error = EINVAL;
1404 break;
1405 }
1406 }
1407
1408 if (error == 0 && ((uint32_t)nseg) >= mpt->max_seg_cnt) {
1409 error = EFBIG;
1410 mpt_prt(mpt, "segment count %d too large (max %u)\n",
1411 nseg, mpt->max_seg_cnt);
1412 }
1413
1414bad:
1415 if (error != 0) {
1416 if (error != EFBIG && error != ENOMEM) {
1417 mpt_prt(mpt, "mpt_execute_req: err %d\n", error);
1418 }
1419 if ((ccb->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_INPROG) {
1420 cam_status status;
1421 mpt_freeze_ccb(ccb);
1422 if (error == EFBIG) {
1423 status = CAM_REQ_TOO_BIG;
1424 } else if (error == ENOMEM) {
1425 if (mpt->outofbeer == 0) {
1426 mpt->outofbeer = 1;
1427 xpt_freeze_simq(mpt->sim, 1);
1428 mpt_lprt(mpt, MPT_PRT_DEBUG,
1429 "FREEZEQ\n");
1430 }
1431 status = CAM_REQUEUE_REQ;
1432 } else {
1433 status = CAM_REQ_CMP_ERR;
1434 }
1435 mpt_set_ccb_status(ccb, status);
1436 }
1437 if (hdrp->Function == MPI_FUNCTION_TARGET_ASSIST) {
1438 request_t *cmd_req =
1439 MPT_TAG_2_REQ(mpt, ccb->csio.tag_id);
1440 MPT_TGT_STATE(mpt, cmd_req)->state = TGT_STATE_IN_CAM;
1441 MPT_TGT_STATE(mpt, cmd_req)->ccb = NULL;
1442 MPT_TGT_STATE(mpt, cmd_req)->req = NULL;
1443 }
1444 ccb->ccb_h.status &= ~CAM_SIM_QUEUED;
1445 KASSERT(ccb->ccb_h.status, ("zero ccb sts at %d\n", __LINE__));
1446 xpt_done(ccb);
1447 CAMLOCK_2_MPTLOCK(mpt);
1448 mpt_free_request(mpt, req);
1449 MPTLOCK_2_CAMLOCK(mpt);
1450 return;
1451 }
1452
1453 /*
1454 * No data to transfer?
1455 * Just make a single simple SGL with zero length.
1456 */
1457
1458 if (mpt->verbose >= MPT_PRT_DEBUG) {
1459 int tidx = ((char *)sglp) - mpt_off;
1460 memset(&mpt_off[tidx], 0xff, MPT_REQUEST_AREA - tidx);
1461 }
1462
1463 if (nseg == 0) {
1464 SGE_SIMPLE32 *se1 = (SGE_SIMPLE32 *) sglp;
1465 MPI_pSGE_SET_FLAGS(se1,
1466 (MPI_SGE_FLAGS_LAST_ELEMENT | MPI_SGE_FLAGS_END_OF_BUFFER |
1467 MPI_SGE_FLAGS_SIMPLE_ELEMENT | MPI_SGE_FLAGS_END_OF_LIST));
1468 se1->FlagsLength = htole32(se1->FlagsLength);
1469 goto out;
1470 }
1471
1472
1473 flags = MPI_SGE_FLAGS_SIMPLE_ELEMENT;
1474 if (istgt == 0) {
1475 if ((ccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_OUT) {
1476 flags |= MPI_SGE_FLAGS_HOST_TO_IOC;
1477 }
1478 } else {
1479 if ((ccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN) {
1480 flags |= MPI_SGE_FLAGS_HOST_TO_IOC;
1481 }
1482 }
1483
1484 if (!(ccb->ccb_h.flags & (CAM_SG_LIST_PHYS|CAM_DATA_PHYS))) {
1485 bus_dmasync_op_t op;
1486 if (istgt) {
1487 if ((ccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN) {
1488 op = BUS_DMASYNC_PREREAD;
1489 } else {
1490 op = BUS_DMASYNC_PREWRITE;
1491 }
1492 } else {
1493 if ((ccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN) {
1494 op = BUS_DMASYNC_PREWRITE;
1495 } else {
1496 op = BUS_DMASYNC_PREREAD;
1497 }
1498 }
1499 bus_dmamap_sync(mpt->buffer_dmat, req->dmap, op);
1500 }
1501
1502 /*
1503 * Okay, fill in what we can at the end of the command frame.
1504 * If we have up to MPT_NSGL_FIRST, we can fit them all into
1505 * the command frame.
1506 *
1507 * Otherwise, we fill up through MPT_NSGL_FIRST less one
1508 * SIMPLE32 pointers and start doing CHAIN32 entries after
1509 * that.
1510 */
1511
1512 if (nseg < MPT_NSGL_FIRST(mpt)) {
1513 first_lim = nseg;
1514 } else {
1515 /*
1516 * Leave room for CHAIN element
1517 */
1518 first_lim = MPT_NSGL_FIRST(mpt) - 1;
1519 }
1520
1521 se = (SGE_SIMPLE32 *) sglp;
1522 for (seg = 0; seg < first_lim; seg++, se++, dm_segs++) {
1523 uint32_t tf;
1524
1525 memset(se, 0,sizeof (*se));
1526 se->Address = dm_segs->ds_addr;
1527
1528
1529
1530 MPI_pSGE_SET_LENGTH(se, dm_segs->ds_len);
1531 tf = flags;
1532 if (seg == first_lim - 1) {
1533 tf |= MPI_SGE_FLAGS_LAST_ELEMENT;
1534 }
1535 if (seg == nseg - 1) {
1536 tf |= MPI_SGE_FLAGS_END_OF_LIST |
1537 MPI_SGE_FLAGS_END_OF_BUFFER;
1538 }
1539 MPI_pSGE_SET_FLAGS(se, tf);
1540 se->FlagsLength = htole32(se->FlagsLength);
1541 }
1542
1543 if (seg == nseg) {
1544 goto out;
1545 }
1546
1547 /*
1548 * Tell the IOC where to find the first chain element.
1549 */
1550 hdrp->ChainOffset = ((char *)se - (char *)hdrp) >> 2;
1551 nxt_off = MPT_RQSL(mpt);
1552 trq = req;
1553
1554 /*
1555 * Make up the rest of the data segments out of a chain element
1556 * (contiained in the current request frame) which points to
1557 * SIMPLE32 elements in the next request frame, possibly ending
1558 * with *another* chain element (if there's more).
1559 */
1560 while (seg < nseg) {
1561 int this_seg_lim;
1562 uint32_t tf, cur_off;
1563 bus_addr_t chain_list_addr;
1564
1565 /*
1566 * Point to the chain descriptor. Note that the chain
1567 * descriptor is at the end of the *previous* list (whether
1568 * chain or simple).
1569 */
1570 ce = (SGE_CHAIN32 *) se;
1571
1572 /*
1573 * Before we change our current pointer, make sure we won't
1574 * overflow the request area with this frame. Note that we
1575 * test against 'greater than' here as it's okay in this case
1576 * to have next offset be just outside the request area.
1577 */
1578 if ((nxt_off + MPT_RQSL(mpt)) > MPT_REQUEST_AREA) {
1579 nxt_off = MPT_REQUEST_AREA;
1580 goto next_chain;
1581 }
1582
1583 /*
1584 * Set our SGE element pointer to the beginning of the chain
1585 * list and update our next chain list offset.
1586 */
1587 se = (SGE_SIMPLE32 *) &mpt_off[nxt_off];
1588 cur_off = nxt_off;
1589 nxt_off += MPT_RQSL(mpt);
1590
1591 /*
1592 * Now initialized the chain descriptor.
1593 */
1594 memset(ce, 0, sizeof (*ce));
1595
1596 /*
1597 * Get the physical address of the chain list.
1598 */
1599 chain_list_addr = trq->req_pbuf;
1600 chain_list_addr += cur_off;
1601
1602
1603
1604 ce->Address = chain_list_addr;
1605 ce->Flags = MPI_SGE_FLAGS_CHAIN_ELEMENT;
1606
1607
1608 /*
1609 * If we have more than a frame's worth of segments left,
1610 * set up the chain list to have the last element be another
1611 * chain descriptor.
1612 */
1613 if ((nseg - seg) > MPT_NSGL(mpt)) {
1614 this_seg_lim = seg + MPT_NSGL(mpt) - 1;
1615 /*
1616 * The length of the chain is the length in bytes of the
1617 * number of segments plus the next chain element.
1618 *
1619 * The next chain descriptor offset is the length,
1620 * in words, of the number of segments.
1621 */
1622 ce->Length = (this_seg_lim - seg) *
1623 sizeof (SGE_SIMPLE32);
1624 ce->NextChainOffset = ce->Length >> 2;
1625 ce->Length += sizeof (SGE_CHAIN32);
1626 } else {
1627 this_seg_lim = nseg;
1628 ce->Length = (this_seg_lim - seg) *
1629 sizeof (SGE_SIMPLE32);
1630 }
1631
1632 /*
1633 * Fill in the chain list SGE elements with our segment data.
1634 *
1635 * If we're the last element in this chain list, set the last
1636 * element flag. If we're the completely last element period,
1637 * set the end of list and end of buffer flags.
1638 */
1639 while (seg < this_seg_lim) {
1640 memset(se, 0, sizeof (*se));
1641 se->Address = dm_segs->ds_addr;
1642
1643
1644
1645
1646 MPI_pSGE_SET_LENGTH(se, dm_segs->ds_len);
1647 tf = flags;
1648 if (seg == this_seg_lim - 1) {
1649 tf |= MPI_SGE_FLAGS_LAST_ELEMENT;
1650 }
1651 if (seg == nseg - 1) {
1652 tf |= MPI_SGE_FLAGS_END_OF_LIST |
1653 MPI_SGE_FLAGS_END_OF_BUFFER;
1654 }
1655 MPI_pSGE_SET_FLAGS(se, tf);
1656 se->FlagsLength = htole32(se->FlagsLength);
1657 se++;
1658 seg++;
1659 dm_segs++;
1660 }
1661
1662 next_chain:
1663 /*
1664 * If we have more segments to do and we've used up all of
1665 * the space in a request area, go allocate another one
1666 * and chain to that.
1667 */
1668 if (seg < nseg && nxt_off >= MPT_REQUEST_AREA) {
1669 request_t *nrq;
1670
1671 CAMLOCK_2_MPTLOCK(mpt);
1672 nrq = mpt_get_request(mpt, FALSE);
1673 MPTLOCK_2_CAMLOCK(mpt);
1674
1675 if (nrq == NULL) {
1676 error = ENOMEM;
1677 goto bad;
1678 }
1679
1680 /*
1681 * Append the new request area on the tail of our list.
1682 */
1683 if ((trq = req->chain) == NULL) {
1684 req->chain = nrq;
1685 } else {
1686 while (trq->chain != NULL) {
1687 trq = trq->chain;
1688 }
1689 trq->chain = nrq;
1690 }
1691 trq = nrq;
1692 mpt_off = trq->req_vbuf;
1693 if (mpt->verbose >= MPT_PRT_DEBUG) {
1694 memset(mpt_off, 0xff, MPT_REQUEST_AREA);
1695 }
1696 nxt_off = 0;
1697 }
1698 }
1699out:
1700
1701 /*
1702 * Last time we need to check if this CCB needs to be aborted.
1703 */
1704 if ((ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_INPROG) {
1705 if (hdrp->Function == MPI_FUNCTION_TARGET_ASSIST) {
1706 request_t *cmd_req =
1707 MPT_TAG_2_REQ(mpt, ccb->csio.tag_id);
1708 MPT_TGT_STATE(mpt, cmd_req)->state = TGT_STATE_IN_CAM;
1709 MPT_TGT_STATE(mpt, cmd_req)->ccb = NULL;
1710 MPT_TGT_STATE(mpt, cmd_req)->req = NULL;
1711 }
1712 mpt_prt(mpt,
1713 "mpt_execute_req: I/O cancelled (status 0x%x)\n",
1714 ccb->ccb_h.status & CAM_STATUS_MASK);
1715 if (nseg && (ccb->ccb_h.flags & CAM_SG_LIST_PHYS) == 0) {
1716 bus_dmamap_unload(mpt->buffer_dmat, req->dmap);
1717 }
1718 ccb->ccb_h.status &= ~CAM_SIM_QUEUED;
1719 KASSERT(ccb->ccb_h.status, ("zero ccb sts at %d\n", __LINE__));
1720 xpt_done(ccb);
1721 CAMLOCK_2_MPTLOCK(mpt);
1722 mpt_free_request(mpt, req);
1723 MPTLOCK_2_CAMLOCK(mpt);
1724 return;
1725 }
1726
1727 ccb->ccb_h.status |= CAM_SIM_QUEUED;
1728 if (ccb->ccb_h.timeout != CAM_TIME_INFINITY) {
1712 ccb->ccb_h.timeout_ch =
1713 timeout(mpt_timeout, (caddr_t)ccb,
1714 (ccb->ccb_h.timeout * hz) / 1000);
1729 mpt_req_timeout(req, (ccb->ccb_h.timeout * hz) / 1000,
1730 mpt_timeout, ccb);
1715 } else {
1731 } else {
1716 callout_handle_init(&ccb->ccb_h.timeout_ch);
1732 mpt_req_timeout_init(req);
1717 }
1718 if (mpt->verbose > MPT_PRT_DEBUG) {
1719 int nc = 0;
1720 mpt_print_request(req->req_vbuf);
1721 for (trq = req->chain; trq; trq = trq->chain) {
1722 printf(" Additional Chain Area %d\n", nc++);
1723 mpt_dump_sgl(trq->req_vbuf, 0);
1724 }
1725 }
1726
1727 if (hdrp->Function == MPI_FUNCTION_TARGET_ASSIST) {
1728 request_t *cmd_req = MPT_TAG_2_REQ(mpt, ccb->csio.tag_id);
1729 mpt_tgt_state_t *tgt = MPT_TGT_STATE(mpt, cmd_req);
1730#ifdef WE_TRUST_AUTO_GOOD_STATUS
1731 if ((ccb->ccb_h.flags & CAM_SEND_STATUS) &&
1732 csio->scsi_status == SCSI_STATUS_OK && tgt->resid == 0) {
1733 tgt->state = TGT_STATE_MOVING_DATA_AND_STATUS;
1734 } else {
1735 tgt->state = TGT_STATE_MOVING_DATA;
1736 }
1737#else
1738 tgt->state = TGT_STATE_MOVING_DATA;
1739#endif
1740 }
1741 CAMLOCK_2_MPTLOCK(mpt);
1742 mpt_send_cmd(mpt, req);
1743 MPTLOCK_2_CAMLOCK(mpt);
1744}
1745
1746static void
1747mpt_start(struct cam_sim *sim, union ccb *ccb)
1748{
1749 request_t *req;
1750 struct mpt_softc *mpt;
1751 MSG_SCSI_IO_REQUEST *mpt_req;
1752 struct ccb_scsiio *csio = &ccb->csio;
1753 struct ccb_hdr *ccbh = &ccb->ccb_h;
1754 bus_dmamap_callback_t *cb;
1755 target_id_t tgt;
1756 int raid_passthru;
1757
1758 /* Get the pointer for the physical addapter */
1759 mpt = ccb->ccb_h.ccb_mpt_ptr;
1760 raid_passthru = (sim == mpt->phydisk_sim);
1761
1762 CAMLOCK_2_MPTLOCK(mpt);
1763 if ((req = mpt_get_request(mpt, FALSE)) == NULL) {
1764 if (mpt->outofbeer == 0) {
1765 mpt->outofbeer = 1;
1766 xpt_freeze_simq(mpt->sim, 1);
1767 mpt_lprt(mpt, MPT_PRT_DEBUG, "FREEZEQ\n");
1768 }
1769 ccb->ccb_h.status &= ~CAM_SIM_QUEUED;
1770 mpt_set_ccb_status(ccb, CAM_REQUEUE_REQ);
1771 MPTLOCK_2_CAMLOCK(mpt);
1772 xpt_done(ccb);
1773 return;
1774 }
1775#ifdef INVARIANTS
1776 mpt_req_not_spcl(mpt, req, "mpt_start", __LINE__);
1777#endif
1778 MPTLOCK_2_CAMLOCK(mpt);
1779
1780 if (sizeof (bus_addr_t) > 4) {
1781 cb = mpt_execute_req_a64;
1782 } else {
1783 cb = mpt_execute_req;
1784 }
1785
1786 /*
1787 * Link the ccb and the request structure so we can find
1788 * the other knowing either the request or the ccb
1789 */
1790 req->ccb = ccb;
1791 ccb->ccb_h.ccb_req_ptr = req;
1792
1793 /* Now we build the command for the IOC */
1794 mpt_req = req->req_vbuf;
1795 memset(mpt_req, 0, sizeof (MSG_SCSI_IO_REQUEST));
1796
1797 mpt_req->Function = MPI_FUNCTION_SCSI_IO_REQUEST;
1798 if (raid_passthru) {
1799 mpt_req->Function = MPI_FUNCTION_RAID_SCSI_IO_PASSTHROUGH;
1800 CAMLOCK_2_MPTLOCK(mpt);
1801 if (mpt_map_physdisk(mpt, ccb, &tgt) != 0) {
1802 MPTLOCK_2_CAMLOCK(mpt);
1803 ccb->ccb_h.status &= ~CAM_SIM_QUEUED;
1804 mpt_set_ccb_status(ccb, CAM_DEV_NOT_THERE);
1805 xpt_done(ccb);
1806 return;
1807 }
1808 MPTLOCK_2_CAMLOCK(mpt);
1809 mpt_req->Bus = 0; /* we never set bus here */
1810 } else {
1811 tgt = ccb->ccb_h.target_id;
1812 mpt_req->Bus = 0; /* XXX */
1813
1814 }
1815 mpt_req->SenseBufferLength =
1816 (csio->sense_len < MPT_SENSE_SIZE) ?
1817 csio->sense_len : MPT_SENSE_SIZE;
1818
1819 /*
1820 * We use the message context to find the request structure when we
1821 * Get the command completion interrupt from the IOC.
1822 */
1823 mpt_req->MsgContext = htole32(req->index | scsi_io_handler_id);
1824
1825 /* Which physical device to do the I/O on */
1826 mpt_req->TargetID = tgt;
1827
1828 /* We assume a single level LUN type */
1829 if (ccb->ccb_h.target_lun >= 256) {
1830 mpt_req->LUN[0] = 0x40 | ((ccb->ccb_h.target_lun >> 8) & 0x3f);
1831 mpt_req->LUN[1] = ccb->ccb_h.target_lun & 0xff;
1832 } else {
1833 mpt_req->LUN[1] = ccb->ccb_h.target_lun;
1834 }
1835
1836 /* Set the direction of the transfer */
1837 if ((ccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN) {
1838 mpt_req->Control = MPI_SCSIIO_CONTROL_READ;
1839 } else if ((ccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_OUT) {
1840 mpt_req->Control = MPI_SCSIIO_CONTROL_WRITE;
1841 } else {
1842 mpt_req->Control = MPI_SCSIIO_CONTROL_NODATATRANSFER;
1843 }
1844
1845 if ((ccb->ccb_h.flags & CAM_TAG_ACTION_VALID) != 0) {
1846 switch(ccb->csio.tag_action) {
1847 case MSG_HEAD_OF_Q_TAG:
1848 mpt_req->Control |= MPI_SCSIIO_CONTROL_HEADOFQ;
1849 break;
1850 case MSG_ACA_TASK:
1851 mpt_req->Control |= MPI_SCSIIO_CONTROL_ACAQ;
1852 break;
1853 case MSG_ORDERED_Q_TAG:
1854 mpt_req->Control |= MPI_SCSIIO_CONTROL_ORDEREDQ;
1855 break;
1856 case MSG_SIMPLE_Q_TAG:
1857 default:
1858 mpt_req->Control |= MPI_SCSIIO_CONTROL_SIMPLEQ;
1859 break;
1860 }
1861 } else {
1862 if (mpt->is_fc || mpt->is_sas) {
1863 mpt_req->Control |= MPI_SCSIIO_CONTROL_SIMPLEQ;
1864 } else {
1865 /* XXX No such thing for a target doing packetized. */
1866 mpt_req->Control |= MPI_SCSIIO_CONTROL_UNTAGGED;
1867 }
1868 }
1869
1870 if (mpt->is_spi) {
1871 if (ccb->ccb_h.flags & CAM_DIS_DISCONNECT) {
1872 mpt_req->Control |= MPI_SCSIIO_CONTROL_NO_DISCONNECT;
1873 }
1874 }
1875
1876 /* Copy the scsi command block into place */
1877 if ((ccb->ccb_h.flags & CAM_CDB_POINTER) != 0) {
1878 bcopy(csio->cdb_io.cdb_ptr, mpt_req->CDB, csio->cdb_len);
1879 } else {
1880 bcopy(csio->cdb_io.cdb_bytes, mpt_req->CDB, csio->cdb_len);
1881 }
1882
1883 mpt_req->CDBLength = csio->cdb_len;
1884 mpt_req->DataLength = htole32(csio->dxfer_len);
1885 mpt_req->SenseBufferLowAddr = htole32(req->sense_pbuf);
1886
1887 /*
1888 * Do a *short* print here if we're set to MPT_PRT_DEBUG
1889 */
1890 if (mpt->verbose == MPT_PRT_DEBUG) {
1891 U32 df;
1892 mpt_prt(mpt, "mpt_start: %s op 0x%x ",
1893 (mpt_req->Function == MPI_FUNCTION_SCSI_IO_REQUEST)?
1894 "SCSI_IO_REQUEST" : "SCSI_IO_PASSTHRU", mpt_req->CDB[0]);
1895 df = mpt_req->Control & MPI_SCSIIO_CONTROL_DATADIRECTION_MASK;
1896 if (df != MPI_SCSIIO_CONTROL_NODATATRANSFER) {
1897 mpt_prtc(mpt, "(%s %u byte%s ",
1898 (df == MPI_SCSIIO_CONTROL_READ)?
1899 "read" : "write", csio->dxfer_len,
1900 (csio->dxfer_len == 1)? ")" : "s)");
1901 }
1902 mpt_prtc(mpt, "tgt %u lun %u req %p:%u\n", tgt,
1903 ccb->ccb_h.target_lun, req, req->serno);
1904 }
1905
1906 /*
1907 * If we have any data to send with this command map it into bus space.
1908 */
1909 if ((ccbh->flags & CAM_DIR_MASK) != CAM_DIR_NONE) {
1910 if ((ccbh->flags & CAM_SCATTER_VALID) == 0) {
1911 /*
1912 * We've been given a pointer to a single buffer.
1913 */
1914 if ((ccbh->flags & CAM_DATA_PHYS) == 0) {
1915 /*
1916 * Virtual address that needs to translated into
1917 * one or more physical address ranges.
1918 */
1919 int error;
1920 int s = splsoftvm();
1921 error = bus_dmamap_load(mpt->buffer_dmat,
1922 req->dmap, csio->data_ptr, csio->dxfer_len,
1923 cb, req, 0);
1924 splx(s);
1925 if (error == EINPROGRESS) {
1926 /*
1927 * So as to maintain ordering,
1928 * freeze the controller queue
1929 * until our mapping is
1930 * returned.
1931 */
1932 xpt_freeze_simq(mpt->sim, 1);
1933 ccbh->status |= CAM_RELEASE_SIMQ;
1934 }
1935 } else {
1936 /*
1937 * We have been given a pointer to single
1938 * physical buffer.
1939 */
1940 struct bus_dma_segment seg;
1941 seg.ds_addr =
1942 (bus_addr_t)(vm_offset_t)csio->data_ptr;
1943 seg.ds_len = csio->dxfer_len;
1944 (*cb)(req, &seg, 1, 0);
1945 }
1946 } else {
1947 /*
1948 * We have been given a list of addresses.
1949 * This case could be easily supported but they are not
1950 * currently generated by the CAM subsystem so there
1951 * is no point in wasting the time right now.
1952 */
1953 struct bus_dma_segment *segs;
1954 if ((ccbh->flags & CAM_SG_LIST_PHYS) == 0) {
1955 (*cb)(req, NULL, 0, EFAULT);
1956 } else {
1957 /* Just use the segments provided */
1958 segs = (struct bus_dma_segment *)csio->data_ptr;
1959 (*cb)(req, segs, csio->sglist_cnt, 0);
1960 }
1961 }
1962 } else {
1963 (*cb)(req, NULL, 0, 0);
1964 }
1965}
1966
1967static int
1968mpt_bus_reset(struct mpt_softc *mpt, target_id_t tgt, lun_id_t lun,
1969 int sleep_ok)
1970{
1971 int error;
1972 uint16_t status;
1973 uint8_t response;
1974
1975 error = mpt_scsi_send_tmf(mpt,
1976 (tgt != CAM_TARGET_WILDCARD || lun != CAM_LUN_WILDCARD) ?
1977 MPI_SCSITASKMGMT_TASKTYPE_TARGET_RESET :
1978 MPI_SCSITASKMGMT_TASKTYPE_RESET_BUS,
1979 mpt->is_fc ? MPI_SCSITASKMGMT_MSGFLAGS_LIP_RESET_OPTION : 0,
1980 0, /* XXX How do I get the channel ID? */
1981 tgt != CAM_TARGET_WILDCARD ? tgt : 0,
1982 lun != CAM_LUN_WILDCARD ? lun : 0,
1983 0, sleep_ok);
1984
1985 if (error != 0) {
1986 /*
1987 * mpt_scsi_send_tmf hard resets on failure, so no
1988 * need to do so here.
1989 */
1990 mpt_prt(mpt,
1991 "mpt_bus_reset: mpt_scsi_send_tmf returned %d\n", error);
1992 return (EIO);
1993 }
1994
1995 /* Wait for bus reset to be processed by the IOC. */
1996 error = mpt_wait_req(mpt, mpt->tmf_req, REQ_STATE_DONE,
1997 REQ_STATE_DONE, sleep_ok, 5000);
1998
1999 status = mpt->tmf_req->IOCStatus;
2000 response = mpt->tmf_req->ResponseCode;
2001 mpt->tmf_req->state = REQ_STATE_FREE;
2002
2003 if (error) {
2004 mpt_prt(mpt, "mpt_bus_reset: Reset timed-out. "
2005 "Resetting controller.\n");
2006 mpt_reset(mpt, TRUE);
2007 return (ETIMEDOUT);
2008 }
2009
2010 if ((status & MPI_IOCSTATUS_MASK) != MPI_IOCSTATUS_SUCCESS) {
2011 mpt_prt(mpt, "mpt_bus_reset: TMF IOC Status 0x%x. "
2012 "Resetting controller.\n", status);
2013 mpt_reset(mpt, TRUE);
2014 return (EIO);
2015 }
2016
2017 if (response != MPI_SCSITASKMGMT_RSP_TM_SUCCEEDED &&
2018 response != MPI_SCSITASKMGMT_RSP_TM_COMPLETE) {
2019 mpt_prt(mpt, "mpt_bus_reset: TMF Response 0x%x. "
2020 "Resetting controller.\n", response);
2021 mpt_reset(mpt, TRUE);
2022 return (EIO);
2023 }
2024 return (0);
2025}
2026
2027static int
2028mpt_fc_reset_link(struct mpt_softc *mpt, int dowait)
2029{
2030 int r = 0;
2031 request_t *req;
2032 PTR_MSG_FC_PRIMITIVE_SEND_REQUEST fc;
2033
2034 req = mpt_get_request(mpt, FALSE);
2035 if (req == NULL) {
2036 return (ENOMEM);
2037 }
2038 fc = req->req_vbuf;
2039 memset(fc, 0, sizeof(*fc));
2040 fc->SendFlags = MPI_FC_PRIM_SEND_FLAGS_RESET_LINK;
2041 fc->Function = MPI_FUNCTION_FC_PRIMITIVE_SEND;
2042 fc->MsgContext = htole32(req->index | fc_els_handler_id);
2043 mpt_send_cmd(mpt, req);
2044 if (dowait) {
2045 r = mpt_wait_req(mpt, req, REQ_STATE_DONE,
2046 REQ_STATE_DONE, FALSE, 60 * 1000);
2047 if (r == 0) {
2048 mpt_free_request(mpt, req);
2049 }
2050 }
2051 return (r);
2052}
2053
2054static int
2055mpt_cam_event(struct mpt_softc *mpt, request_t *req,
2056 MSG_EVENT_NOTIFY_REPLY *msg)
2057{
2058 uint32_t data0, data1;
2059
2060 data0 = le32toh(msg->Data[0]);
2061 data1 = le32toh(msg->Data[1]);
2062 switch(msg->Event & 0xFF) {
2063 case MPI_EVENT_UNIT_ATTENTION:
2064 mpt_prt(mpt, "UNIT ATTENTION: Bus: 0x%02x TargetID: 0x%02x\n",
2065 (data0 >> 8) & 0xff, data0 & 0xff);
2066 break;
2067
2068 case MPI_EVENT_IOC_BUS_RESET:
2069 /* We generated a bus reset */
2070 mpt_prt(mpt, "IOC Generated Bus Reset Port: %d\n",
2071 (data0 >> 8) & 0xff);
2072 xpt_async(AC_BUS_RESET, mpt->path, NULL);
2073 break;
2074
2075 case MPI_EVENT_EXT_BUS_RESET:
2076 /* Someone else generated a bus reset */
2077 mpt_prt(mpt, "External Bus Reset Detected\n");
2078 /*
2079 * These replies don't return EventData like the MPI
2080 * spec says they do
2081 */
2082 xpt_async(AC_BUS_RESET, mpt->path, NULL);
2083 break;
2084
2085 case MPI_EVENT_RESCAN:
2086#if __FreeBSD_version >= 600000
2087 {
2088 union ccb *ccb;
2089 uint32_t pathid;
2090 /*
2091 * In general this means a device has been added to the loop.
2092 */
2093 mpt_prt(mpt, "Rescan Port: %d\n", (data0 >> 8) & 0xff);
2094 if (mpt->ready == 0) {
2095 break;
2096 }
2097 if (mpt->phydisk_sim) {
2098 pathid = cam_sim_path(mpt->phydisk_sim);
2099 } else {
2100 pathid = cam_sim_path(mpt->sim);
2101 }
2102 MPTLOCK_2_CAMLOCK(mpt);
2103 /*
2104 * Allocate a CCB, create a wildcard path for this bus,
2105 * and schedule a rescan.
2106 */
2107 ccb = xpt_alloc_ccb_nowait();
2108 if (ccb == NULL) {
2109 mpt_prt(mpt, "unable to alloc CCB for rescan\n");
2110 CAMLOCK_2_MPTLOCK(mpt);
2111 break;
2112 }
2113
2114 if (xpt_create_path(&ccb->ccb_h.path, xpt_periph, pathid,
2115 CAM_TARGET_WILDCARD, CAM_LUN_WILDCARD) != CAM_REQ_CMP) {
2116 CAMLOCK_2_MPTLOCK(mpt);
2117 mpt_prt(mpt, "unable to create path for rescan\n");
2118 xpt_free_ccb(ccb);
2119 break;
2120 }
2121 xpt_rescan(ccb);
2122 CAMLOCK_2_MPTLOCK(mpt);
2123 break;
2124 }
2125#else
2126 mpt_prt(mpt, "Rescan Port: %d\n", (data0 >> 8) & 0xff);
2127 break;
2128#endif
2129 case MPI_EVENT_LINK_STATUS_CHANGE:
2130 mpt_prt(mpt, "Port %d: LinkState: %s\n",
2131 (data1 >> 8) & 0xff,
2132 ((data0 & 0xff) == 0)? "Failed" : "Active");
2133 break;
2134
2135 case MPI_EVENT_LOOP_STATE_CHANGE:
2136 switch ((data0 >> 16) & 0xff) {
2137 case 0x01:
2138 mpt_prt(mpt,
2139 "Port 0x%x: FC LinkEvent: LIP(%02x,%02x) "
2140 "(Loop Initialization)\n",
2141 (data1 >> 8) & 0xff,
2142 (data0 >> 8) & 0xff,
2143 (data0 ) & 0xff);
2144 switch ((data0 >> 8) & 0xff) {
2145 case 0xF7:
2146 if ((data0 & 0xff) == 0xF7) {
2147 mpt_prt(mpt, "Device needs AL_PA\n");
2148 } else {
2149 mpt_prt(mpt, "Device %02x doesn't like "
2150 "FC performance\n",
2151 data0 & 0xFF);
2152 }
2153 break;
2154 case 0xF8:
2155 if ((data0 & 0xff) == 0xF7) {
2156 mpt_prt(mpt, "Device had loop failure "
2157 "at its receiver prior to acquiring"
2158 " AL_PA\n");
2159 } else {
2160 mpt_prt(mpt, "Device %02x detected loop"
2161 " failure at its receiver\n",
2162 data0 & 0xFF);
2163 }
2164 break;
2165 default:
2166 mpt_prt(mpt, "Device %02x requests that device "
2167 "%02x reset itself\n",
2168 data0 & 0xFF,
2169 (data0 >> 8) & 0xFF);
2170 break;
2171 }
2172 break;
2173 case 0x02:
2174 mpt_prt(mpt, "Port 0x%x: FC LinkEvent: "
2175 "LPE(%02x,%02x) (Loop Port Enable)\n",
2176 (data1 >> 8) & 0xff, /* Port */
2177 (data0 >> 8) & 0xff, /* Character 3 */
2178 (data0 ) & 0xff /* Character 4 */);
2179 break;
2180 case 0x03:
2181 mpt_prt(mpt, "Port 0x%x: FC LinkEvent: "
2182 "LPB(%02x,%02x) (Loop Port Bypass)\n",
2183 (data1 >> 8) & 0xff, /* Port */
2184 (data0 >> 8) & 0xff, /* Character 3 */
2185 (data0 ) & 0xff /* Character 4 */);
2186 break;
2187 default:
2188 mpt_prt(mpt, "Port 0x%x: FC LinkEvent: Unknown "
2189 "FC event (%02x %02x %02x)\n",
2190 (data1 >> 8) & 0xff, /* Port */
2191 (data0 >> 16) & 0xff, /* Event */
2192 (data0 >> 8) & 0xff, /* Character 3 */
2193 (data0 ) & 0xff /* Character 4 */);
2194 }
2195 break;
2196
2197 case MPI_EVENT_LOGOUT:
2198 mpt_prt(mpt, "FC Logout Port: %d N_PortID: %02x\n",
2199 (data1 >> 8) & 0xff, data0);
2200 break;
2201 case MPI_EVENT_QUEUE_FULL:
2202 {
2203 struct cam_sim *sim;
2204 struct cam_path *tmppath;
2205 struct ccb_relsim crs;
2206 PTR_EVENT_DATA_QUEUE_FULL pqf =
2207 (PTR_EVENT_DATA_QUEUE_FULL) msg->Data;
2208 lun_id_t lun_id;
2209
2210 mpt_prt(mpt, "QUEUE FULL EVENT: Bus 0x%02x Target 0x%02x Depth "
2211 "%d\n", pqf->Bus, pqf->TargetID, pqf->CurrentDepth);
2212 if (mpt->phydisk_sim) {
2213 sim = mpt->phydisk_sim;
2214 } else {
2215 sim = mpt->sim;
2216 }
2217 MPTLOCK_2_CAMLOCK(mpt);
2218 for (lun_id = 0; lun_id < MPT_MAX_LUNS; lun_id++) {
2219 if (xpt_create_path(&tmppath, NULL, cam_sim_path(sim),
2220 pqf->TargetID, lun_id) != CAM_REQ_CMP) {
2221 mpt_prt(mpt, "unable to create a path to send "
2222 "XPT_REL_SIMQ");
2223 CAMLOCK_2_MPTLOCK(mpt);
2224 break;
2225 }
2226 xpt_setup_ccb(&crs.ccb_h, tmppath, 5);
2227 crs.ccb_h.func_code = XPT_REL_SIMQ;
2228 crs.release_flags = RELSIM_ADJUST_OPENINGS;
2229 crs.openings = pqf->CurrentDepth - 1;
2230 xpt_action((union ccb *)&crs);
2231 if (crs.ccb_h.status != CAM_REQ_CMP) {
2232 mpt_prt(mpt, "XPT_REL_SIMQ failed\n");
2233 }
2234 xpt_free_path(tmppath);
2235 }
2236 CAMLOCK_2_MPTLOCK(mpt);
2237 break;
2238 }
2239 case MPI_EVENT_EVENT_CHANGE:
2240 case MPI_EVENT_INTEGRATED_RAID:
2241 case MPI_EVENT_SAS_DEVICE_STATUS_CHANGE:
2242 case MPI_EVENT_SAS_SES:
2243 break;
2244 default:
2245 mpt_lprt(mpt, MPT_PRT_WARN, "mpt_cam_event: 0x%x\n",
2246 msg->Event & 0xFF);
2247 return (0);
2248 }
2249 return (1);
2250}
2251
2252/*
2253 * Reply path for all SCSI I/O requests, called from our
2254 * interrupt handler by extracting our handler index from
2255 * the MsgContext field of the reply from the IOC.
2256 *
2257 * This routine is optimized for the common case of a
2258 * completion without error. All exception handling is
2259 * offloaded to non-inlined helper routines to minimize
2260 * cache footprint.
2261 */
2262static int
2263mpt_scsi_reply_handler(struct mpt_softc *mpt, request_t *req,
2264 uint32_t reply_desc, MSG_DEFAULT_REPLY *reply_frame)
2265{
2266 MSG_SCSI_IO_REQUEST *scsi_req;
2267 union ccb *ccb;
2268 target_id_t tgt;
2269
2270 if (req->state == REQ_STATE_FREE) {
2271 mpt_prt(mpt, "mpt_scsi_reply_handler: req already free\n");
2272 return (TRUE);
2273 }
2274
2275 scsi_req = (MSG_SCSI_IO_REQUEST *)req->req_vbuf;
2276 ccb = req->ccb;
2277 if (ccb == NULL) {
2278 mpt_prt(mpt, "mpt_scsi_reply_handler: req %p:%u with no ccb\n",
2279 req, req->serno);
2280 return (TRUE);
2281 }
2282
2283 tgt = scsi_req->TargetID;
1733 }
1734 if (mpt->verbose > MPT_PRT_DEBUG) {
1735 int nc = 0;
1736 mpt_print_request(req->req_vbuf);
1737 for (trq = req->chain; trq; trq = trq->chain) {
1738 printf(" Additional Chain Area %d\n", nc++);
1739 mpt_dump_sgl(trq->req_vbuf, 0);
1740 }
1741 }
1742
1743 if (hdrp->Function == MPI_FUNCTION_TARGET_ASSIST) {
1744 request_t *cmd_req = MPT_TAG_2_REQ(mpt, ccb->csio.tag_id);
1745 mpt_tgt_state_t *tgt = MPT_TGT_STATE(mpt, cmd_req);
1746#ifdef WE_TRUST_AUTO_GOOD_STATUS
1747 if ((ccb->ccb_h.flags & CAM_SEND_STATUS) &&
1748 csio->scsi_status == SCSI_STATUS_OK && tgt->resid == 0) {
1749 tgt->state = TGT_STATE_MOVING_DATA_AND_STATUS;
1750 } else {
1751 tgt->state = TGT_STATE_MOVING_DATA;
1752 }
1753#else
1754 tgt->state = TGT_STATE_MOVING_DATA;
1755#endif
1756 }
1757 CAMLOCK_2_MPTLOCK(mpt);
1758 mpt_send_cmd(mpt, req);
1759 MPTLOCK_2_CAMLOCK(mpt);
1760}
1761
1762static void
1763mpt_start(struct cam_sim *sim, union ccb *ccb)
1764{
1765 request_t *req;
1766 struct mpt_softc *mpt;
1767 MSG_SCSI_IO_REQUEST *mpt_req;
1768 struct ccb_scsiio *csio = &ccb->csio;
1769 struct ccb_hdr *ccbh = &ccb->ccb_h;
1770 bus_dmamap_callback_t *cb;
1771 target_id_t tgt;
1772 int raid_passthru;
1773
1774 /* Get the pointer for the physical addapter */
1775 mpt = ccb->ccb_h.ccb_mpt_ptr;
1776 raid_passthru = (sim == mpt->phydisk_sim);
1777
1778 CAMLOCK_2_MPTLOCK(mpt);
1779 if ((req = mpt_get_request(mpt, FALSE)) == NULL) {
1780 if (mpt->outofbeer == 0) {
1781 mpt->outofbeer = 1;
1782 xpt_freeze_simq(mpt->sim, 1);
1783 mpt_lprt(mpt, MPT_PRT_DEBUG, "FREEZEQ\n");
1784 }
1785 ccb->ccb_h.status &= ~CAM_SIM_QUEUED;
1786 mpt_set_ccb_status(ccb, CAM_REQUEUE_REQ);
1787 MPTLOCK_2_CAMLOCK(mpt);
1788 xpt_done(ccb);
1789 return;
1790 }
1791#ifdef INVARIANTS
1792 mpt_req_not_spcl(mpt, req, "mpt_start", __LINE__);
1793#endif
1794 MPTLOCK_2_CAMLOCK(mpt);
1795
1796 if (sizeof (bus_addr_t) > 4) {
1797 cb = mpt_execute_req_a64;
1798 } else {
1799 cb = mpt_execute_req;
1800 }
1801
1802 /*
1803 * Link the ccb and the request structure so we can find
1804 * the other knowing either the request or the ccb
1805 */
1806 req->ccb = ccb;
1807 ccb->ccb_h.ccb_req_ptr = req;
1808
1809 /* Now we build the command for the IOC */
1810 mpt_req = req->req_vbuf;
1811 memset(mpt_req, 0, sizeof (MSG_SCSI_IO_REQUEST));
1812
1813 mpt_req->Function = MPI_FUNCTION_SCSI_IO_REQUEST;
1814 if (raid_passthru) {
1815 mpt_req->Function = MPI_FUNCTION_RAID_SCSI_IO_PASSTHROUGH;
1816 CAMLOCK_2_MPTLOCK(mpt);
1817 if (mpt_map_physdisk(mpt, ccb, &tgt) != 0) {
1818 MPTLOCK_2_CAMLOCK(mpt);
1819 ccb->ccb_h.status &= ~CAM_SIM_QUEUED;
1820 mpt_set_ccb_status(ccb, CAM_DEV_NOT_THERE);
1821 xpt_done(ccb);
1822 return;
1823 }
1824 MPTLOCK_2_CAMLOCK(mpt);
1825 mpt_req->Bus = 0; /* we never set bus here */
1826 } else {
1827 tgt = ccb->ccb_h.target_id;
1828 mpt_req->Bus = 0; /* XXX */
1829
1830 }
1831 mpt_req->SenseBufferLength =
1832 (csio->sense_len < MPT_SENSE_SIZE) ?
1833 csio->sense_len : MPT_SENSE_SIZE;
1834
1835 /*
1836 * We use the message context to find the request structure when we
1837 * Get the command completion interrupt from the IOC.
1838 */
1839 mpt_req->MsgContext = htole32(req->index | scsi_io_handler_id);
1840
1841 /* Which physical device to do the I/O on */
1842 mpt_req->TargetID = tgt;
1843
1844 /* We assume a single level LUN type */
1845 if (ccb->ccb_h.target_lun >= 256) {
1846 mpt_req->LUN[0] = 0x40 | ((ccb->ccb_h.target_lun >> 8) & 0x3f);
1847 mpt_req->LUN[1] = ccb->ccb_h.target_lun & 0xff;
1848 } else {
1849 mpt_req->LUN[1] = ccb->ccb_h.target_lun;
1850 }
1851
1852 /* Set the direction of the transfer */
1853 if ((ccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN) {
1854 mpt_req->Control = MPI_SCSIIO_CONTROL_READ;
1855 } else if ((ccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_OUT) {
1856 mpt_req->Control = MPI_SCSIIO_CONTROL_WRITE;
1857 } else {
1858 mpt_req->Control = MPI_SCSIIO_CONTROL_NODATATRANSFER;
1859 }
1860
1861 if ((ccb->ccb_h.flags & CAM_TAG_ACTION_VALID) != 0) {
1862 switch(ccb->csio.tag_action) {
1863 case MSG_HEAD_OF_Q_TAG:
1864 mpt_req->Control |= MPI_SCSIIO_CONTROL_HEADOFQ;
1865 break;
1866 case MSG_ACA_TASK:
1867 mpt_req->Control |= MPI_SCSIIO_CONTROL_ACAQ;
1868 break;
1869 case MSG_ORDERED_Q_TAG:
1870 mpt_req->Control |= MPI_SCSIIO_CONTROL_ORDEREDQ;
1871 break;
1872 case MSG_SIMPLE_Q_TAG:
1873 default:
1874 mpt_req->Control |= MPI_SCSIIO_CONTROL_SIMPLEQ;
1875 break;
1876 }
1877 } else {
1878 if (mpt->is_fc || mpt->is_sas) {
1879 mpt_req->Control |= MPI_SCSIIO_CONTROL_SIMPLEQ;
1880 } else {
1881 /* XXX No such thing for a target doing packetized. */
1882 mpt_req->Control |= MPI_SCSIIO_CONTROL_UNTAGGED;
1883 }
1884 }
1885
1886 if (mpt->is_spi) {
1887 if (ccb->ccb_h.flags & CAM_DIS_DISCONNECT) {
1888 mpt_req->Control |= MPI_SCSIIO_CONTROL_NO_DISCONNECT;
1889 }
1890 }
1891
1892 /* Copy the scsi command block into place */
1893 if ((ccb->ccb_h.flags & CAM_CDB_POINTER) != 0) {
1894 bcopy(csio->cdb_io.cdb_ptr, mpt_req->CDB, csio->cdb_len);
1895 } else {
1896 bcopy(csio->cdb_io.cdb_bytes, mpt_req->CDB, csio->cdb_len);
1897 }
1898
1899 mpt_req->CDBLength = csio->cdb_len;
1900 mpt_req->DataLength = htole32(csio->dxfer_len);
1901 mpt_req->SenseBufferLowAddr = htole32(req->sense_pbuf);
1902
1903 /*
1904 * Do a *short* print here if we're set to MPT_PRT_DEBUG
1905 */
1906 if (mpt->verbose == MPT_PRT_DEBUG) {
1907 U32 df;
1908 mpt_prt(mpt, "mpt_start: %s op 0x%x ",
1909 (mpt_req->Function == MPI_FUNCTION_SCSI_IO_REQUEST)?
1910 "SCSI_IO_REQUEST" : "SCSI_IO_PASSTHRU", mpt_req->CDB[0]);
1911 df = mpt_req->Control & MPI_SCSIIO_CONTROL_DATADIRECTION_MASK;
1912 if (df != MPI_SCSIIO_CONTROL_NODATATRANSFER) {
1913 mpt_prtc(mpt, "(%s %u byte%s ",
1914 (df == MPI_SCSIIO_CONTROL_READ)?
1915 "read" : "write", csio->dxfer_len,
1916 (csio->dxfer_len == 1)? ")" : "s)");
1917 }
1918 mpt_prtc(mpt, "tgt %u lun %u req %p:%u\n", tgt,
1919 ccb->ccb_h.target_lun, req, req->serno);
1920 }
1921
1922 /*
1923 * If we have any data to send with this command map it into bus space.
1924 */
1925 if ((ccbh->flags & CAM_DIR_MASK) != CAM_DIR_NONE) {
1926 if ((ccbh->flags & CAM_SCATTER_VALID) == 0) {
1927 /*
1928 * We've been given a pointer to a single buffer.
1929 */
1930 if ((ccbh->flags & CAM_DATA_PHYS) == 0) {
1931 /*
1932 * Virtual address that needs to translated into
1933 * one or more physical address ranges.
1934 */
1935 int error;
1936 int s = splsoftvm();
1937 error = bus_dmamap_load(mpt->buffer_dmat,
1938 req->dmap, csio->data_ptr, csio->dxfer_len,
1939 cb, req, 0);
1940 splx(s);
1941 if (error == EINPROGRESS) {
1942 /*
1943 * So as to maintain ordering,
1944 * freeze the controller queue
1945 * until our mapping is
1946 * returned.
1947 */
1948 xpt_freeze_simq(mpt->sim, 1);
1949 ccbh->status |= CAM_RELEASE_SIMQ;
1950 }
1951 } else {
1952 /*
1953 * We have been given a pointer to single
1954 * physical buffer.
1955 */
1956 struct bus_dma_segment seg;
1957 seg.ds_addr =
1958 (bus_addr_t)(vm_offset_t)csio->data_ptr;
1959 seg.ds_len = csio->dxfer_len;
1960 (*cb)(req, &seg, 1, 0);
1961 }
1962 } else {
1963 /*
1964 * We have been given a list of addresses.
1965 * This case could be easily supported but they are not
1966 * currently generated by the CAM subsystem so there
1967 * is no point in wasting the time right now.
1968 */
1969 struct bus_dma_segment *segs;
1970 if ((ccbh->flags & CAM_SG_LIST_PHYS) == 0) {
1971 (*cb)(req, NULL, 0, EFAULT);
1972 } else {
1973 /* Just use the segments provided */
1974 segs = (struct bus_dma_segment *)csio->data_ptr;
1975 (*cb)(req, segs, csio->sglist_cnt, 0);
1976 }
1977 }
1978 } else {
1979 (*cb)(req, NULL, 0, 0);
1980 }
1981}
1982
1983static int
1984mpt_bus_reset(struct mpt_softc *mpt, target_id_t tgt, lun_id_t lun,
1985 int sleep_ok)
1986{
1987 int error;
1988 uint16_t status;
1989 uint8_t response;
1990
1991 error = mpt_scsi_send_tmf(mpt,
1992 (tgt != CAM_TARGET_WILDCARD || lun != CAM_LUN_WILDCARD) ?
1993 MPI_SCSITASKMGMT_TASKTYPE_TARGET_RESET :
1994 MPI_SCSITASKMGMT_TASKTYPE_RESET_BUS,
1995 mpt->is_fc ? MPI_SCSITASKMGMT_MSGFLAGS_LIP_RESET_OPTION : 0,
1996 0, /* XXX How do I get the channel ID? */
1997 tgt != CAM_TARGET_WILDCARD ? tgt : 0,
1998 lun != CAM_LUN_WILDCARD ? lun : 0,
1999 0, sleep_ok);
2000
2001 if (error != 0) {
2002 /*
2003 * mpt_scsi_send_tmf hard resets on failure, so no
2004 * need to do so here.
2005 */
2006 mpt_prt(mpt,
2007 "mpt_bus_reset: mpt_scsi_send_tmf returned %d\n", error);
2008 return (EIO);
2009 }
2010
2011 /* Wait for bus reset to be processed by the IOC. */
2012 error = mpt_wait_req(mpt, mpt->tmf_req, REQ_STATE_DONE,
2013 REQ_STATE_DONE, sleep_ok, 5000);
2014
2015 status = mpt->tmf_req->IOCStatus;
2016 response = mpt->tmf_req->ResponseCode;
2017 mpt->tmf_req->state = REQ_STATE_FREE;
2018
2019 if (error) {
2020 mpt_prt(mpt, "mpt_bus_reset: Reset timed-out. "
2021 "Resetting controller.\n");
2022 mpt_reset(mpt, TRUE);
2023 return (ETIMEDOUT);
2024 }
2025
2026 if ((status & MPI_IOCSTATUS_MASK) != MPI_IOCSTATUS_SUCCESS) {
2027 mpt_prt(mpt, "mpt_bus_reset: TMF IOC Status 0x%x. "
2028 "Resetting controller.\n", status);
2029 mpt_reset(mpt, TRUE);
2030 return (EIO);
2031 }
2032
2033 if (response != MPI_SCSITASKMGMT_RSP_TM_SUCCEEDED &&
2034 response != MPI_SCSITASKMGMT_RSP_TM_COMPLETE) {
2035 mpt_prt(mpt, "mpt_bus_reset: TMF Response 0x%x. "
2036 "Resetting controller.\n", response);
2037 mpt_reset(mpt, TRUE);
2038 return (EIO);
2039 }
2040 return (0);
2041}
2042
2043static int
2044mpt_fc_reset_link(struct mpt_softc *mpt, int dowait)
2045{
2046 int r = 0;
2047 request_t *req;
2048 PTR_MSG_FC_PRIMITIVE_SEND_REQUEST fc;
2049
2050 req = mpt_get_request(mpt, FALSE);
2051 if (req == NULL) {
2052 return (ENOMEM);
2053 }
2054 fc = req->req_vbuf;
2055 memset(fc, 0, sizeof(*fc));
2056 fc->SendFlags = MPI_FC_PRIM_SEND_FLAGS_RESET_LINK;
2057 fc->Function = MPI_FUNCTION_FC_PRIMITIVE_SEND;
2058 fc->MsgContext = htole32(req->index | fc_els_handler_id);
2059 mpt_send_cmd(mpt, req);
2060 if (dowait) {
2061 r = mpt_wait_req(mpt, req, REQ_STATE_DONE,
2062 REQ_STATE_DONE, FALSE, 60 * 1000);
2063 if (r == 0) {
2064 mpt_free_request(mpt, req);
2065 }
2066 }
2067 return (r);
2068}
2069
2070static int
2071mpt_cam_event(struct mpt_softc *mpt, request_t *req,
2072 MSG_EVENT_NOTIFY_REPLY *msg)
2073{
2074 uint32_t data0, data1;
2075
2076 data0 = le32toh(msg->Data[0]);
2077 data1 = le32toh(msg->Data[1]);
2078 switch(msg->Event & 0xFF) {
2079 case MPI_EVENT_UNIT_ATTENTION:
2080 mpt_prt(mpt, "UNIT ATTENTION: Bus: 0x%02x TargetID: 0x%02x\n",
2081 (data0 >> 8) & 0xff, data0 & 0xff);
2082 break;
2083
2084 case MPI_EVENT_IOC_BUS_RESET:
2085 /* We generated a bus reset */
2086 mpt_prt(mpt, "IOC Generated Bus Reset Port: %d\n",
2087 (data0 >> 8) & 0xff);
2088 xpt_async(AC_BUS_RESET, mpt->path, NULL);
2089 break;
2090
2091 case MPI_EVENT_EXT_BUS_RESET:
2092 /* Someone else generated a bus reset */
2093 mpt_prt(mpt, "External Bus Reset Detected\n");
2094 /*
2095 * These replies don't return EventData like the MPI
2096 * spec says they do
2097 */
2098 xpt_async(AC_BUS_RESET, mpt->path, NULL);
2099 break;
2100
2101 case MPI_EVENT_RESCAN:
2102#if __FreeBSD_version >= 600000
2103 {
2104 union ccb *ccb;
2105 uint32_t pathid;
2106 /*
2107 * In general this means a device has been added to the loop.
2108 */
2109 mpt_prt(mpt, "Rescan Port: %d\n", (data0 >> 8) & 0xff);
2110 if (mpt->ready == 0) {
2111 break;
2112 }
2113 if (mpt->phydisk_sim) {
2114 pathid = cam_sim_path(mpt->phydisk_sim);
2115 } else {
2116 pathid = cam_sim_path(mpt->sim);
2117 }
2118 MPTLOCK_2_CAMLOCK(mpt);
2119 /*
2120 * Allocate a CCB, create a wildcard path for this bus,
2121 * and schedule a rescan.
2122 */
2123 ccb = xpt_alloc_ccb_nowait();
2124 if (ccb == NULL) {
2125 mpt_prt(mpt, "unable to alloc CCB for rescan\n");
2126 CAMLOCK_2_MPTLOCK(mpt);
2127 break;
2128 }
2129
2130 if (xpt_create_path(&ccb->ccb_h.path, xpt_periph, pathid,
2131 CAM_TARGET_WILDCARD, CAM_LUN_WILDCARD) != CAM_REQ_CMP) {
2132 CAMLOCK_2_MPTLOCK(mpt);
2133 mpt_prt(mpt, "unable to create path for rescan\n");
2134 xpt_free_ccb(ccb);
2135 break;
2136 }
2137 xpt_rescan(ccb);
2138 CAMLOCK_2_MPTLOCK(mpt);
2139 break;
2140 }
2141#else
2142 mpt_prt(mpt, "Rescan Port: %d\n", (data0 >> 8) & 0xff);
2143 break;
2144#endif
2145 case MPI_EVENT_LINK_STATUS_CHANGE:
2146 mpt_prt(mpt, "Port %d: LinkState: %s\n",
2147 (data1 >> 8) & 0xff,
2148 ((data0 & 0xff) == 0)? "Failed" : "Active");
2149 break;
2150
2151 case MPI_EVENT_LOOP_STATE_CHANGE:
2152 switch ((data0 >> 16) & 0xff) {
2153 case 0x01:
2154 mpt_prt(mpt,
2155 "Port 0x%x: FC LinkEvent: LIP(%02x,%02x) "
2156 "(Loop Initialization)\n",
2157 (data1 >> 8) & 0xff,
2158 (data0 >> 8) & 0xff,
2159 (data0 ) & 0xff);
2160 switch ((data0 >> 8) & 0xff) {
2161 case 0xF7:
2162 if ((data0 & 0xff) == 0xF7) {
2163 mpt_prt(mpt, "Device needs AL_PA\n");
2164 } else {
2165 mpt_prt(mpt, "Device %02x doesn't like "
2166 "FC performance\n",
2167 data0 & 0xFF);
2168 }
2169 break;
2170 case 0xF8:
2171 if ((data0 & 0xff) == 0xF7) {
2172 mpt_prt(mpt, "Device had loop failure "
2173 "at its receiver prior to acquiring"
2174 " AL_PA\n");
2175 } else {
2176 mpt_prt(mpt, "Device %02x detected loop"
2177 " failure at its receiver\n",
2178 data0 & 0xFF);
2179 }
2180 break;
2181 default:
2182 mpt_prt(mpt, "Device %02x requests that device "
2183 "%02x reset itself\n",
2184 data0 & 0xFF,
2185 (data0 >> 8) & 0xFF);
2186 break;
2187 }
2188 break;
2189 case 0x02:
2190 mpt_prt(mpt, "Port 0x%x: FC LinkEvent: "
2191 "LPE(%02x,%02x) (Loop Port Enable)\n",
2192 (data1 >> 8) & 0xff, /* Port */
2193 (data0 >> 8) & 0xff, /* Character 3 */
2194 (data0 ) & 0xff /* Character 4 */);
2195 break;
2196 case 0x03:
2197 mpt_prt(mpt, "Port 0x%x: FC LinkEvent: "
2198 "LPB(%02x,%02x) (Loop Port Bypass)\n",
2199 (data1 >> 8) & 0xff, /* Port */
2200 (data0 >> 8) & 0xff, /* Character 3 */
2201 (data0 ) & 0xff /* Character 4 */);
2202 break;
2203 default:
2204 mpt_prt(mpt, "Port 0x%x: FC LinkEvent: Unknown "
2205 "FC event (%02x %02x %02x)\n",
2206 (data1 >> 8) & 0xff, /* Port */
2207 (data0 >> 16) & 0xff, /* Event */
2208 (data0 >> 8) & 0xff, /* Character 3 */
2209 (data0 ) & 0xff /* Character 4 */);
2210 }
2211 break;
2212
2213 case MPI_EVENT_LOGOUT:
2214 mpt_prt(mpt, "FC Logout Port: %d N_PortID: %02x\n",
2215 (data1 >> 8) & 0xff, data0);
2216 break;
2217 case MPI_EVENT_QUEUE_FULL:
2218 {
2219 struct cam_sim *sim;
2220 struct cam_path *tmppath;
2221 struct ccb_relsim crs;
2222 PTR_EVENT_DATA_QUEUE_FULL pqf =
2223 (PTR_EVENT_DATA_QUEUE_FULL) msg->Data;
2224 lun_id_t lun_id;
2225
2226 mpt_prt(mpt, "QUEUE FULL EVENT: Bus 0x%02x Target 0x%02x Depth "
2227 "%d\n", pqf->Bus, pqf->TargetID, pqf->CurrentDepth);
2228 if (mpt->phydisk_sim) {
2229 sim = mpt->phydisk_sim;
2230 } else {
2231 sim = mpt->sim;
2232 }
2233 MPTLOCK_2_CAMLOCK(mpt);
2234 for (lun_id = 0; lun_id < MPT_MAX_LUNS; lun_id++) {
2235 if (xpt_create_path(&tmppath, NULL, cam_sim_path(sim),
2236 pqf->TargetID, lun_id) != CAM_REQ_CMP) {
2237 mpt_prt(mpt, "unable to create a path to send "
2238 "XPT_REL_SIMQ");
2239 CAMLOCK_2_MPTLOCK(mpt);
2240 break;
2241 }
2242 xpt_setup_ccb(&crs.ccb_h, tmppath, 5);
2243 crs.ccb_h.func_code = XPT_REL_SIMQ;
2244 crs.release_flags = RELSIM_ADJUST_OPENINGS;
2245 crs.openings = pqf->CurrentDepth - 1;
2246 xpt_action((union ccb *)&crs);
2247 if (crs.ccb_h.status != CAM_REQ_CMP) {
2248 mpt_prt(mpt, "XPT_REL_SIMQ failed\n");
2249 }
2250 xpt_free_path(tmppath);
2251 }
2252 CAMLOCK_2_MPTLOCK(mpt);
2253 break;
2254 }
2255 case MPI_EVENT_EVENT_CHANGE:
2256 case MPI_EVENT_INTEGRATED_RAID:
2257 case MPI_EVENT_SAS_DEVICE_STATUS_CHANGE:
2258 case MPI_EVENT_SAS_SES:
2259 break;
2260 default:
2261 mpt_lprt(mpt, MPT_PRT_WARN, "mpt_cam_event: 0x%x\n",
2262 msg->Event & 0xFF);
2263 return (0);
2264 }
2265 return (1);
2266}
2267
2268/*
2269 * Reply path for all SCSI I/O requests, called from our
2270 * interrupt handler by extracting our handler index from
2271 * the MsgContext field of the reply from the IOC.
2272 *
2273 * This routine is optimized for the common case of a
2274 * completion without error. All exception handling is
2275 * offloaded to non-inlined helper routines to minimize
2276 * cache footprint.
2277 */
2278static int
2279mpt_scsi_reply_handler(struct mpt_softc *mpt, request_t *req,
2280 uint32_t reply_desc, MSG_DEFAULT_REPLY *reply_frame)
2281{
2282 MSG_SCSI_IO_REQUEST *scsi_req;
2283 union ccb *ccb;
2284 target_id_t tgt;
2285
2286 if (req->state == REQ_STATE_FREE) {
2287 mpt_prt(mpt, "mpt_scsi_reply_handler: req already free\n");
2288 return (TRUE);
2289 }
2290
2291 scsi_req = (MSG_SCSI_IO_REQUEST *)req->req_vbuf;
2292 ccb = req->ccb;
2293 if (ccb == NULL) {
2294 mpt_prt(mpt, "mpt_scsi_reply_handler: req %p:%u with no ccb\n",
2295 req, req->serno);
2296 return (TRUE);
2297 }
2298
2299 tgt = scsi_req->TargetID;
2284 untimeout(mpt_timeout, ccb, ccb->ccb_h.timeout_ch);
2300 mpt_req_untimeout(req, mpt_timeout, ccb);
2285 ccb->ccb_h.status &= ~CAM_SIM_QUEUED;
2286
2287 if ((ccb->ccb_h.flags & CAM_DIR_MASK) != CAM_DIR_NONE) {
2288 bus_dmasync_op_t op;
2289
2290 if ((ccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN)
2291 op = BUS_DMASYNC_POSTREAD;
2292 else
2293 op = BUS_DMASYNC_POSTWRITE;
2294 bus_dmamap_sync(mpt->buffer_dmat, req->dmap, op);
2295 bus_dmamap_unload(mpt->buffer_dmat, req->dmap);
2296 }
2297
2298 if (reply_frame == NULL) {
2299 /*
2300 * Context only reply, completion without error status.
2301 */
2302 ccb->csio.resid = 0;
2303 mpt_set_ccb_status(ccb, CAM_REQ_CMP);
2304 ccb->csio.scsi_status = SCSI_STATUS_OK;
2305 } else {
2306 mpt_scsi_reply_frame_handler(mpt, req, reply_frame);
2307 }
2308
2309 if (mpt->outofbeer) {
2310 ccb->ccb_h.status |= CAM_RELEASE_SIMQ;
2311 mpt->outofbeer = 0;
2312 mpt_lprt(mpt, MPT_PRT_DEBUG, "THAWQ\n");
2313 }
2314 if (scsi_req->CDB[0] == INQUIRY && (scsi_req->CDB[1] & SI_EVPD) == 0) {
2315 struct scsi_inquiry_data *iq =
2316 (struct scsi_inquiry_data *)ccb->csio.data_ptr;
2317 if (scsi_req->Function ==
2318 MPI_FUNCTION_RAID_SCSI_IO_PASSTHROUGH) {
2319 /*
2320 * Fake out the device type so that only the
2321 * pass-thru device will attach.
2322 */
2323 iq->device &= ~0x1F;
2324 iq->device |= T_NODEVICE;
2325 }
2326 }
2327 if (mpt->verbose == MPT_PRT_DEBUG) {
2328 mpt_prt(mpt, "mpt_scsi_reply_handler: %p:%u complete\n",
2329 req, req->serno);
2330 }
2331 KASSERT(ccb->ccb_h.status, ("zero ccb sts at %d\n", __LINE__));
2332 MPTLOCK_2_CAMLOCK(mpt);
2333 xpt_done(ccb);
2334 CAMLOCK_2_MPTLOCK(mpt);
2335 if ((req->state & REQ_STATE_TIMEDOUT) == 0) {
2336 TAILQ_REMOVE(&mpt->request_pending_list, req, links);
2337 } else {
2338 mpt_prt(mpt, "completing timedout/aborted req %p:%u\n",
2339 req, req->serno);
2340 TAILQ_REMOVE(&mpt->request_timeout_list, req, links);
2341 }
2342 KASSERT((req->state & REQ_STATE_NEED_WAKEUP) == 0,
2343 ("CCB req needed wakeup"));
2344#ifdef INVARIANTS
2345 mpt_req_not_spcl(mpt, req, "mpt_scsi_reply_handler", __LINE__);
2346#endif
2347 mpt_free_request(mpt, req);
2348 return (TRUE);
2349}
2350
2351static int
2352mpt_scsi_tmf_reply_handler(struct mpt_softc *mpt, request_t *req,
2353 uint32_t reply_desc, MSG_DEFAULT_REPLY *reply_frame)
2354{
2355 MSG_SCSI_TASK_MGMT_REPLY *tmf_reply;
2356
2357 KASSERT(req == mpt->tmf_req, ("TMF Reply not using mpt->tmf_req"));
2358#ifdef INVARIANTS
2359 mpt_req_not_spcl(mpt, req, "mpt_scsi_tmf_reply_handler", __LINE__);
2360#endif
2361 tmf_reply = (MSG_SCSI_TASK_MGMT_REPLY *)reply_frame;
2362 /* Record IOC Status and Response Code of TMF for any waiters. */
2363 req->IOCStatus = le16toh(tmf_reply->IOCStatus);
2364 req->ResponseCode = tmf_reply->ResponseCode;
2365
2366 mpt_lprt(mpt, MPT_PRT_DEBUG, "TMF complete: req %p:%u status 0x%x\n",
2367 req, req->serno, le16toh(tmf_reply->IOCStatus));
2368 TAILQ_REMOVE(&mpt->request_pending_list, req, links);
2369 if ((req->state & REQ_STATE_NEED_WAKEUP) != 0) {
2370 req->state |= REQ_STATE_DONE;
2371 wakeup(req);
2372 } else {
2373 mpt->tmf_req->state = REQ_STATE_FREE;
2374 }
2375 return (TRUE);
2376}
2377
2378/*
2379 * XXX: Move to definitions file
2380 */
2381#define ELS 0x22
2382#define FC4LS 0x32
2383#define ABTS 0x81
2384#define BA_ACC 0x84
2385
2386#define LS_RJT 0x01
2387#define LS_ACC 0x02
2388#define PLOGI 0x03
2389#define LOGO 0x05
2390#define SRR 0x14
2391#define PRLI 0x20
2392#define PRLO 0x21
2393#define ADISC 0x52
2394#define RSCN 0x61
2395
2396static void
2397mpt_fc_els_send_response(struct mpt_softc *mpt, request_t *req,
2398 PTR_MSG_LINK_SERVICE_BUFFER_POST_REPLY rp, U8 length)
2399{
2400 uint32_t fl;
2401 MSG_LINK_SERVICE_RSP_REQUEST tmp;
2402 PTR_MSG_LINK_SERVICE_RSP_REQUEST rsp;
2403
2404 /*
2405 * We are going to reuse the ELS request to send this response back.
2406 */
2407 rsp = &tmp;
2408 memset(rsp, 0, sizeof(*rsp));
2409
2410#ifdef USE_IMMEDIATE_LINK_DATA
2411 /*
2412 * Apparently the IMMEDIATE stuff doesn't seem to work.
2413 */
2414 rsp->RspFlags = LINK_SERVICE_RSP_FLAGS_IMMEDIATE;
2415#endif
2416 rsp->RspLength = length;
2417 rsp->Function = MPI_FUNCTION_FC_LINK_SRVC_RSP;
2418 rsp->MsgContext = htole32(req->index | fc_els_handler_id);
2419
2420 /*
2421 * Copy over information from the original reply frame to
2422 * it's correct place in the response.
2423 */
2424 memcpy((U8 *)rsp + 0x0c, (U8 *)rp + 0x1c, 24);
2425
2426 /*
2427 * And now copy back the temporary area to the original frame.
2428 */
2429 memcpy(req->req_vbuf, rsp, sizeof (MSG_LINK_SERVICE_RSP_REQUEST));
2430 rsp = req->req_vbuf;
2431
2432#ifdef USE_IMMEDIATE_LINK_DATA
2433 memcpy((U8 *)&rsp->SGL, &((U8 *)req->req_vbuf)[MPT_RQSL(mpt)], length);
2434#else
2435{
2436 PTR_SGE_SIMPLE32 se = (PTR_SGE_SIMPLE32) &rsp->SGL;
2437 bus_addr_t paddr = req->req_pbuf;
2438 paddr += MPT_RQSL(mpt);
2439
2440 fl =
2441 MPI_SGE_FLAGS_HOST_TO_IOC |
2442 MPI_SGE_FLAGS_SIMPLE_ELEMENT |
2443 MPI_SGE_FLAGS_LAST_ELEMENT |
2444 MPI_SGE_FLAGS_END_OF_LIST |
2445 MPI_SGE_FLAGS_END_OF_BUFFER;
2446 fl <<= MPI_SGE_FLAGS_SHIFT;
2447 fl |= (length);
2448 se->FlagsLength = htole32(fl);
2449 se->Address = htole32((uint32_t) paddr);
2450}
2451#endif
2452
2453 /*
2454 * Send it on...
2455 */
2456 mpt_send_cmd(mpt, req);
2457}
2458
2459static int
2460mpt_fc_els_reply_handler(struct mpt_softc *mpt, request_t *req,
2461 uint32_t reply_desc, MSG_DEFAULT_REPLY *reply_frame)
2462{
2463 PTR_MSG_LINK_SERVICE_BUFFER_POST_REPLY rp =
2464 (PTR_MSG_LINK_SERVICE_BUFFER_POST_REPLY) reply_frame;
2465 U8 rctl;
2466 U8 type;
2467 U8 cmd;
2468 U16 status = le16toh(reply_frame->IOCStatus);
2469 U32 *elsbuf;
2470 int ioindex;
2471 int do_refresh = TRUE;
2472
2473#ifdef INVARIANTS
2474 KASSERT(mpt_req_on_free_list(mpt, req) == 0,
2475 ("fc_els_reply_handler: req %p:%u for function %x on freelist!",
2476 req, req->serno, rp->Function));
2477 if (rp->Function != MPI_FUNCTION_FC_PRIMITIVE_SEND) {
2478 mpt_req_spcl(mpt, req, "fc_els_reply_handler", __LINE__);
2479 } else {
2480 mpt_req_not_spcl(mpt, req, "fc_els_reply_handler", __LINE__);
2481 }
2482#endif
2483 mpt_lprt(mpt, MPT_PRT_DEBUG,
2484 "FC_ELS Complete: req %p:%u, reply %p function %x\n",
2485 req, req->serno, reply_frame, reply_frame->Function);
2486
2487 if (status != MPI_IOCSTATUS_SUCCESS) {
2488 mpt_prt(mpt, "ELS REPLY STATUS 0x%x for Function %x\n",
2489 status, reply_frame->Function);
2490 if (status == MPI_IOCSTATUS_INVALID_STATE) {
2491 /*
2492 * XXX: to get around shutdown issue
2493 */
2494 mpt->disabled = 1;
2495 return (TRUE);
2496 }
2497 return (TRUE);
2498 }
2499
2500 /*
2501 * If the function of a link service response, we recycle the
2502 * response to be a refresh for a new link service request.
2503 *
2504 * The request pointer is bogus in this case and we have to fetch
2505 * it based upon the TransactionContext.
2506 */
2507 if (rp->Function == MPI_FUNCTION_FC_LINK_SRVC_RSP) {
2508 /* Freddie Uncle Charlie Katie */
2509 /* We don't get the IOINDEX as part of the Link Svc Rsp */
2510 for (ioindex = 0; ioindex < mpt->els_cmds_allocated; ioindex++)
2511 if (mpt->els_cmd_ptrs[ioindex] == req) {
2512 break;
2513 }
2514
2515 KASSERT(ioindex < mpt->els_cmds_allocated,
2516 ("can't find my mommie!"));
2517
2518 /* remove from active list as we're going to re-post it */
2519 TAILQ_REMOVE(&mpt->request_pending_list, req, links);
2520 req->state &= ~REQ_STATE_QUEUED;
2521 req->state |= REQ_STATE_DONE;
2522 mpt_fc_post_els(mpt, req, ioindex);
2523 return (TRUE);
2524 }
2525
2526 if (rp->Function == MPI_FUNCTION_FC_PRIMITIVE_SEND) {
2527 /* remove from active list as we're done */
2528 TAILQ_REMOVE(&mpt->request_pending_list, req, links);
2529 req->state &= ~REQ_STATE_QUEUED;
2530 req->state |= REQ_STATE_DONE;
2531 if (req->state & REQ_STATE_TIMEDOUT) {
2532 mpt_lprt(mpt, MPT_PRT_DEBUG,
2533 "Sync Primitive Send Completed After Timeout\n");
2534 mpt_free_request(mpt, req);
2535 } else if ((req->state & REQ_STATE_NEED_WAKEUP) == 0) {
2536 mpt_lprt(mpt, MPT_PRT_DEBUG,
2537 "Async Primitive Send Complete\n");
2538 mpt_free_request(mpt, req);
2539 } else {
2540 mpt_lprt(mpt, MPT_PRT_DEBUG,
2541 "Sync Primitive Send Complete- Waking Waiter\n");
2542 wakeup(req);
2543 }
2544 return (TRUE);
2545 }
2546
2547 if (rp->Function != MPI_FUNCTION_FC_LINK_SRVC_BUF_POST) {
2548 mpt_prt(mpt, "unexpected ELS_REPLY: Function 0x%x Flags %x "
2549 "Length %d Message Flags %x\n", rp->Function, rp->Flags,
2550 rp->MsgLength, rp->MsgFlags);
2551 return (TRUE);
2552 }
2553
2554 if (rp->MsgLength <= 5) {
2555 /*
2556 * This is just a ack of an original ELS buffer post
2557 */
2558 mpt_lprt(mpt, MPT_PRT_DEBUG,
2559 "RECV'd ACK of FC_ELS buf post %p:%u\n", req, req->serno);
2560 return (TRUE);
2561 }
2562
2563
2564 rctl = (le32toh(rp->Rctl_Did) & MPI_FC_RCTL_MASK) >> MPI_FC_RCTL_SHIFT;
2565 type = (le32toh(rp->Type_Fctl) & MPI_FC_TYPE_MASK) >> MPI_FC_TYPE_SHIFT;
2566
2567 elsbuf = &((U32 *)req->req_vbuf)[MPT_RQSL(mpt)/sizeof (U32)];
2568 cmd = be32toh(elsbuf[0]) >> 24;
2569
2570 if (rp->Flags & MPI_LS_BUF_POST_REPLY_FLAG_NO_RSP_NEEDED) {
2571 mpt_lprt(mpt, MPT_PRT_ALWAYS, "ELS_REPLY: response unneeded\n");
2572 return (TRUE);
2573 }
2574
2575 ioindex = le32toh(rp->TransactionContext);
2576 req = mpt->els_cmd_ptrs[ioindex];
2577
2578 if (rctl == ELS && type == 1) {
2579 switch (cmd) {
2580 case PRLI:
2581 /*
2582 * Send back a PRLI ACC
2583 */
2584 mpt_prt(mpt, "PRLI from 0x%08x%08x\n",
2585 le32toh(rp->Wwn.PortNameHigh),
2586 le32toh(rp->Wwn.PortNameLow));
2587 elsbuf[0] = htobe32(0x02100014);
2588 elsbuf[1] |= htobe32(0x00000100);
2589 elsbuf[4] = htobe32(0x00000002);
2590 if (mpt->role & MPT_ROLE_TARGET)
2591 elsbuf[4] |= htobe32(0x00000010);
2592 if (mpt->role & MPT_ROLE_INITIATOR)
2593 elsbuf[4] |= htobe32(0x00000020);
2594 /* remove from active list as we're done */
2595 TAILQ_REMOVE(&mpt->request_pending_list, req, links);
2596 req->state &= ~REQ_STATE_QUEUED;
2597 req->state |= REQ_STATE_DONE;
2598 mpt_fc_els_send_response(mpt, req, rp, 20);
2599 do_refresh = FALSE;
2600 break;
2601 case PRLO:
2602 memset(elsbuf, 0, 5 * (sizeof (U32)));
2603 elsbuf[0] = htobe32(0x02100014);
2604 elsbuf[1] = htobe32(0x08000100);
2605 mpt_prt(mpt, "PRLO from 0x%08x%08x\n",
2606 le32toh(rp->Wwn.PortNameHigh),
2607 le32toh(rp->Wwn.PortNameLow));
2608 /* remove from active list as we're done */
2609 TAILQ_REMOVE(&mpt->request_pending_list, req, links);
2610 req->state &= ~REQ_STATE_QUEUED;
2611 req->state |= REQ_STATE_DONE;
2612 mpt_fc_els_send_response(mpt, req, rp, 20);
2613 do_refresh = FALSE;
2614 break;
2615 default:
2616 mpt_prt(mpt, "ELS TYPE 1 COMMAND: %x\n", cmd);
2617 break;
2618 }
2619 } else if (rctl == ABTS && type == 0) {
2620 uint16_t rx_id = le16toh(rp->Rxid);
2621 uint16_t ox_id = le16toh(rp->Oxid);
2622 request_t *tgt_req = NULL;
2623
2624 mpt_prt(mpt,
2625 "ELS: ABTS OX_ID 0x%x RX_ID 0x%x from 0x%08x%08x\n",
2626 ox_id, rx_id, le32toh(rp->Wwn.PortNameHigh),
2627 le32toh(rp->Wwn.PortNameLow));
2628 if (rx_id >= mpt->mpt_max_tgtcmds) {
2629 mpt_prt(mpt, "Bad RX_ID 0x%x\n", rx_id);
2630 } else if (mpt->tgt_cmd_ptrs == NULL) {
2631 mpt_prt(mpt, "No TGT CMD PTRS\n");
2632 } else {
2633 tgt_req = mpt->tgt_cmd_ptrs[rx_id];
2634 }
2635 if (tgt_req) {
2636 mpt_tgt_state_t *tgt = MPT_TGT_STATE(mpt, tgt_req);
2637 uint8_t *vbuf;
2638 union ccb *ccb = tgt->ccb;
2639 uint32_t ct_id;
2640
2641 vbuf = tgt_req->req_vbuf;
2642 vbuf += MPT_RQSL(mpt);
2643
2644 /*
2645 * Check to make sure we have the correct command
2646 * The reply descriptor in the target state should
2647 * should contain an IoIndex that should match the
2648 * RX_ID.
2649 *
2650 * It'd be nice to have OX_ID to crosscheck with
2651 * as well.
2652 */
2653 ct_id = GET_IO_INDEX(tgt->reply_desc);
2654
2655 if (ct_id != rx_id) {
2656 mpt_lprt(mpt, MPT_PRT_ERROR, "ABORT Mismatch: "
2657 "RX_ID received=0x%x; RX_ID in cmd=0x%x\n",
2658 rx_id, ct_id);
2659 goto skip;
2660 }
2661
2662 ccb = tgt->ccb;
2663 if (ccb) {
2664 mpt_prt(mpt,
2665 "CCB (%p): lun %u flags %x status %x\n",
2666 ccb, ccb->ccb_h.target_lun,
2667 ccb->ccb_h.flags, ccb->ccb_h.status);
2668 }
2669 mpt_prt(mpt, "target state 0x%x resid %u xfrd %u rpwrd "
2670 "%x nxfers %x\n", tgt->state,
2671 tgt->resid, tgt->bytes_xfered, tgt->reply_desc,
2672 tgt->nxfers);
2673 skip:
2674 if (mpt_abort_target_cmd(mpt, tgt_req)) {
2675 mpt_prt(mpt, "unable to start TargetAbort\n");
2676 }
2677 } else {
2678 mpt_prt(mpt, "no back pointer for RX_ID 0x%x\n", rx_id);
2679 }
2680 memset(elsbuf, 0, 5 * (sizeof (U32)));
2681 elsbuf[0] = htobe32(0);
2682 elsbuf[1] = htobe32((ox_id << 16) | rx_id);
2683 elsbuf[2] = htobe32(0x000ffff);
2684 /*
2685 * Dork with the reply frame so that the reponse to it
2686 * will be correct.
2687 */
2688 rp->Rctl_Did += ((BA_ACC - ABTS) << MPI_FC_RCTL_SHIFT);
2689 /* remove from active list as we're done */
2690 TAILQ_REMOVE(&mpt->request_pending_list, req, links);
2691 req->state &= ~REQ_STATE_QUEUED;
2692 req->state |= REQ_STATE_DONE;
2693 mpt_fc_els_send_response(mpt, req, rp, 12);
2694 do_refresh = FALSE;
2695 } else {
2696 mpt_prt(mpt, "ELS: RCTL %x TYPE %x CMD %x\n", rctl, type, cmd);
2697 }
2698 if (do_refresh == TRUE) {
2699 /* remove from active list as we're done */
2700 TAILQ_REMOVE(&mpt->request_pending_list, req, links);
2701 req->state &= ~REQ_STATE_QUEUED;
2702 req->state |= REQ_STATE_DONE;
2703 mpt_fc_post_els(mpt, req, ioindex);
2704 }
2705 return (TRUE);
2706}
2707
2708/*
2709 * Clean up all SCSI Initiator personality state in response
2710 * to a controller reset.
2711 */
2712static void
2713mpt_cam_ioc_reset(struct mpt_softc *mpt, int type)
2714{
2715 /*
2716 * The pending list is already run down by
2717 * the generic handler. Perform the same
2718 * operation on the timed out request list.
2719 */
2720 mpt_complete_request_chain(mpt, &mpt->request_timeout_list,
2721 MPI_IOCSTATUS_INVALID_STATE);
2722
2723 /*
2724 * XXX: We need to repost ELS and Target Command Buffers?
2725 */
2726
2727 /*
2728 * Inform the XPT that a bus reset has occurred.
2729 */
2730 xpt_async(AC_BUS_RESET, mpt->path, NULL);
2731}
2732
2733/*
2734 * Parse additional completion information in the reply
2735 * frame for SCSI I/O requests.
2736 */
2737static int
2738mpt_scsi_reply_frame_handler(struct mpt_softc *mpt, request_t *req,
2739 MSG_DEFAULT_REPLY *reply_frame)
2740{
2741 union ccb *ccb;
2742 MSG_SCSI_IO_REPLY *scsi_io_reply;
2743 u_int ioc_status;
2744 u_int sstate;
2745 u_int loginfo;
2746
2747 MPT_DUMP_REPLY_FRAME(mpt, reply_frame);
2748 KASSERT(reply_frame->Function == MPI_FUNCTION_SCSI_IO_REQUEST
2749 || reply_frame->Function == MPI_FUNCTION_RAID_SCSI_IO_PASSTHROUGH,
2750 ("MPT SCSI I/O Handler called with incorrect reply type"));
2751 KASSERT((reply_frame->MsgFlags & MPI_MSGFLAGS_CONTINUATION_REPLY) == 0,
2752 ("MPT SCSI I/O Handler called with continuation reply"));
2753
2754 scsi_io_reply = (MSG_SCSI_IO_REPLY *)reply_frame;
2755 ioc_status = le16toh(scsi_io_reply->IOCStatus);
2756 loginfo = ioc_status & MPI_IOCSTATUS_FLAG_LOG_INFO_AVAILABLE;
2757 ioc_status &= MPI_IOCSTATUS_MASK;
2758 sstate = scsi_io_reply->SCSIState;
2759
2760 ccb = req->ccb;
2761 ccb->csio.resid =
2762 ccb->csio.dxfer_len - le32toh(scsi_io_reply->TransferCount);
2763
2764 if ((sstate & MPI_SCSI_STATE_AUTOSENSE_VALID) != 0
2765 && (ccb->ccb_h.flags & (CAM_SENSE_PHYS | CAM_SENSE_PTR)) == 0) {
2766 ccb->ccb_h.status |= CAM_AUTOSNS_VALID;
2767 ccb->csio.sense_resid =
2768 ccb->csio.sense_len - scsi_io_reply->SenseCount;
2769 bcopy(req->sense_vbuf, &ccb->csio.sense_data,
2770 min(ccb->csio.sense_len, scsi_io_reply->SenseCount));
2771 }
2772
2773 if ((sstate & MPI_SCSI_STATE_QUEUE_TAG_REJECTED) != 0) {
2774 /*
2775 * Tag messages rejected, but non-tagged retry
2776 * was successful.
2777XXXX
2778 mpt_set_tags(mpt, devinfo, MPT_QUEUE_NONE);
2779 */
2780 }
2781
2782 switch(ioc_status) {
2783 case MPI_IOCSTATUS_SCSI_RESIDUAL_MISMATCH:
2784 /*
2785 * XXX
2786 * Linux driver indicates that a zero
2787 * transfer length with this error code
2788 * indicates a CRC error.
2789 *
2790 * No need to swap the bytes for checking
2791 * against zero.
2792 */
2793 if (scsi_io_reply->TransferCount == 0) {
2794 mpt_set_ccb_status(ccb, CAM_UNCOR_PARITY);
2795 break;
2796 }
2797 /* FALLTHROUGH */
2798 case MPI_IOCSTATUS_SCSI_DATA_UNDERRUN:
2799 case MPI_IOCSTATUS_SUCCESS:
2800 case MPI_IOCSTATUS_SCSI_RECOVERED_ERROR:
2801 if ((sstate & MPI_SCSI_STATE_NO_SCSI_STATUS) != 0) {
2802 /*
2803 * Status was never returned for this transaction.
2804 */
2805 mpt_set_ccb_status(ccb, CAM_UNEXP_BUSFREE);
2806 } else if (scsi_io_reply->SCSIStatus != SCSI_STATUS_OK) {
2807 ccb->csio.scsi_status = scsi_io_reply->SCSIStatus;
2808 mpt_set_ccb_status(ccb, CAM_SCSI_STATUS_ERROR);
2809 if ((sstate & MPI_SCSI_STATE_AUTOSENSE_FAILED) != 0)
2810 mpt_set_ccb_status(ccb, CAM_AUTOSENSE_FAIL);
2811 } else if ((sstate & MPI_SCSI_STATE_RESPONSE_INFO_VALID) != 0) {
2812
2813 /* XXX Handle SPI-Packet and FCP-2 reponse info. */
2814 mpt_set_ccb_status(ccb, CAM_REQ_CMP_ERR);
2815 } else
2816 mpt_set_ccb_status(ccb, CAM_REQ_CMP);
2817 break;
2818 case MPI_IOCSTATUS_SCSI_DATA_OVERRUN:
2819 mpt_set_ccb_status(ccb, CAM_DATA_RUN_ERR);
2820 break;
2821 case MPI_IOCSTATUS_SCSI_IO_DATA_ERROR:
2822 mpt_set_ccb_status(ccb, CAM_UNCOR_PARITY);
2823 break;
2824 case MPI_IOCSTATUS_SCSI_DEVICE_NOT_THERE:
2825 /*
2826 * Since selection timeouts and "device really not
2827 * there" are grouped into this error code, report
2828 * selection timeout. Selection timeouts are
2829 * typically retried before giving up on the device
2830 * whereas "device not there" errors are considered
2831 * unretryable.
2832 */
2833 mpt_set_ccb_status(ccb, CAM_SEL_TIMEOUT);
2834 break;
2835 case MPI_IOCSTATUS_SCSI_PROTOCOL_ERROR:
2836 mpt_set_ccb_status(ccb, CAM_SEQUENCE_FAIL);
2837 break;
2838 case MPI_IOCSTATUS_SCSI_INVALID_BUS:
2839 mpt_set_ccb_status(ccb, CAM_PATH_INVALID);
2840 break;
2841 case MPI_IOCSTATUS_SCSI_INVALID_TARGETID:
2842 mpt_set_ccb_status(ccb, CAM_TID_INVALID);
2843 break;
2844 case MPI_IOCSTATUS_SCSI_TASK_MGMT_FAILED:
2845 ccb->ccb_h.status = CAM_UA_TERMIO;
2846 break;
2847 case MPI_IOCSTATUS_INVALID_STATE:
2848 /*
2849 * The IOC has been reset. Emulate a bus reset.
2850 */
2851 /* FALLTHROUGH */
2852 case MPI_IOCSTATUS_SCSI_EXT_TERMINATED:
2853 ccb->ccb_h.status = CAM_SCSI_BUS_RESET;
2854 break;
2855 case MPI_IOCSTATUS_SCSI_TASK_TERMINATED:
2856 case MPI_IOCSTATUS_SCSI_IOC_TERMINATED:
2857 /*
2858 * Don't clobber any timeout status that has
2859 * already been set for this transaction. We
2860 * want the SCSI layer to be able to differentiate
2861 * between the command we aborted due to timeout
2862 * and any innocent bystanders.
2863 */
2864 if ((ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_INPROG)
2865 break;
2866 mpt_set_ccb_status(ccb, CAM_REQ_TERMIO);
2867 break;
2868
2869 case MPI_IOCSTATUS_INSUFFICIENT_RESOURCES:
2870 mpt_set_ccb_status(ccb, CAM_RESRC_UNAVAIL);
2871 break;
2872 case MPI_IOCSTATUS_BUSY:
2873 mpt_set_ccb_status(ccb, CAM_BUSY);
2874 break;
2875 case MPI_IOCSTATUS_INVALID_FUNCTION:
2876 case MPI_IOCSTATUS_INVALID_SGL:
2877 case MPI_IOCSTATUS_INTERNAL_ERROR:
2878 case MPI_IOCSTATUS_INVALID_FIELD:
2879 default:
2880 /* XXX
2881 * Some of the above may need to kick
2882 * of a recovery action!!!!
2883 */
2884 ccb->ccb_h.status = CAM_UNREC_HBA_ERROR;
2885 break;
2886 }
2887
2888 if ((ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) {
2889 mpt_freeze_ccb(ccb);
2890 }
2891
2892 return (TRUE);
2893}
2894
2895static void
2896mpt_action(struct cam_sim *sim, union ccb *ccb)
2897{
2898 struct mpt_softc *mpt;
2899 struct ccb_trans_settings *cts;
2900 target_id_t tgt;
2901 lun_id_t lun;
2902 int raid_passthru;
2903
2904 CAM_DEBUG(ccb->ccb_h.path, CAM_DEBUG_TRACE, ("mpt_action\n"));
2905
2906 mpt = (struct mpt_softc *)cam_sim_softc(sim);
2301 ccb->ccb_h.status &= ~CAM_SIM_QUEUED;
2302
2303 if ((ccb->ccb_h.flags & CAM_DIR_MASK) != CAM_DIR_NONE) {
2304 bus_dmasync_op_t op;
2305
2306 if ((ccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN)
2307 op = BUS_DMASYNC_POSTREAD;
2308 else
2309 op = BUS_DMASYNC_POSTWRITE;
2310 bus_dmamap_sync(mpt->buffer_dmat, req->dmap, op);
2311 bus_dmamap_unload(mpt->buffer_dmat, req->dmap);
2312 }
2313
2314 if (reply_frame == NULL) {
2315 /*
2316 * Context only reply, completion without error status.
2317 */
2318 ccb->csio.resid = 0;
2319 mpt_set_ccb_status(ccb, CAM_REQ_CMP);
2320 ccb->csio.scsi_status = SCSI_STATUS_OK;
2321 } else {
2322 mpt_scsi_reply_frame_handler(mpt, req, reply_frame);
2323 }
2324
2325 if (mpt->outofbeer) {
2326 ccb->ccb_h.status |= CAM_RELEASE_SIMQ;
2327 mpt->outofbeer = 0;
2328 mpt_lprt(mpt, MPT_PRT_DEBUG, "THAWQ\n");
2329 }
2330 if (scsi_req->CDB[0] == INQUIRY && (scsi_req->CDB[1] & SI_EVPD) == 0) {
2331 struct scsi_inquiry_data *iq =
2332 (struct scsi_inquiry_data *)ccb->csio.data_ptr;
2333 if (scsi_req->Function ==
2334 MPI_FUNCTION_RAID_SCSI_IO_PASSTHROUGH) {
2335 /*
2336 * Fake out the device type so that only the
2337 * pass-thru device will attach.
2338 */
2339 iq->device &= ~0x1F;
2340 iq->device |= T_NODEVICE;
2341 }
2342 }
2343 if (mpt->verbose == MPT_PRT_DEBUG) {
2344 mpt_prt(mpt, "mpt_scsi_reply_handler: %p:%u complete\n",
2345 req, req->serno);
2346 }
2347 KASSERT(ccb->ccb_h.status, ("zero ccb sts at %d\n", __LINE__));
2348 MPTLOCK_2_CAMLOCK(mpt);
2349 xpt_done(ccb);
2350 CAMLOCK_2_MPTLOCK(mpt);
2351 if ((req->state & REQ_STATE_TIMEDOUT) == 0) {
2352 TAILQ_REMOVE(&mpt->request_pending_list, req, links);
2353 } else {
2354 mpt_prt(mpt, "completing timedout/aborted req %p:%u\n",
2355 req, req->serno);
2356 TAILQ_REMOVE(&mpt->request_timeout_list, req, links);
2357 }
2358 KASSERT((req->state & REQ_STATE_NEED_WAKEUP) == 0,
2359 ("CCB req needed wakeup"));
2360#ifdef INVARIANTS
2361 mpt_req_not_spcl(mpt, req, "mpt_scsi_reply_handler", __LINE__);
2362#endif
2363 mpt_free_request(mpt, req);
2364 return (TRUE);
2365}
2366
2367static int
2368mpt_scsi_tmf_reply_handler(struct mpt_softc *mpt, request_t *req,
2369 uint32_t reply_desc, MSG_DEFAULT_REPLY *reply_frame)
2370{
2371 MSG_SCSI_TASK_MGMT_REPLY *tmf_reply;
2372
2373 KASSERT(req == mpt->tmf_req, ("TMF Reply not using mpt->tmf_req"));
2374#ifdef INVARIANTS
2375 mpt_req_not_spcl(mpt, req, "mpt_scsi_tmf_reply_handler", __LINE__);
2376#endif
2377 tmf_reply = (MSG_SCSI_TASK_MGMT_REPLY *)reply_frame;
2378 /* Record IOC Status and Response Code of TMF for any waiters. */
2379 req->IOCStatus = le16toh(tmf_reply->IOCStatus);
2380 req->ResponseCode = tmf_reply->ResponseCode;
2381
2382 mpt_lprt(mpt, MPT_PRT_DEBUG, "TMF complete: req %p:%u status 0x%x\n",
2383 req, req->serno, le16toh(tmf_reply->IOCStatus));
2384 TAILQ_REMOVE(&mpt->request_pending_list, req, links);
2385 if ((req->state & REQ_STATE_NEED_WAKEUP) != 0) {
2386 req->state |= REQ_STATE_DONE;
2387 wakeup(req);
2388 } else {
2389 mpt->tmf_req->state = REQ_STATE_FREE;
2390 }
2391 return (TRUE);
2392}
2393
2394/*
2395 * XXX: Move to definitions file
2396 */
2397#define ELS 0x22
2398#define FC4LS 0x32
2399#define ABTS 0x81
2400#define BA_ACC 0x84
2401
2402#define LS_RJT 0x01
2403#define LS_ACC 0x02
2404#define PLOGI 0x03
2405#define LOGO 0x05
2406#define SRR 0x14
2407#define PRLI 0x20
2408#define PRLO 0x21
2409#define ADISC 0x52
2410#define RSCN 0x61
2411
2412static void
2413mpt_fc_els_send_response(struct mpt_softc *mpt, request_t *req,
2414 PTR_MSG_LINK_SERVICE_BUFFER_POST_REPLY rp, U8 length)
2415{
2416 uint32_t fl;
2417 MSG_LINK_SERVICE_RSP_REQUEST tmp;
2418 PTR_MSG_LINK_SERVICE_RSP_REQUEST rsp;
2419
2420 /*
2421 * We are going to reuse the ELS request to send this response back.
2422 */
2423 rsp = &tmp;
2424 memset(rsp, 0, sizeof(*rsp));
2425
2426#ifdef USE_IMMEDIATE_LINK_DATA
2427 /*
2428 * Apparently the IMMEDIATE stuff doesn't seem to work.
2429 */
2430 rsp->RspFlags = LINK_SERVICE_RSP_FLAGS_IMMEDIATE;
2431#endif
2432 rsp->RspLength = length;
2433 rsp->Function = MPI_FUNCTION_FC_LINK_SRVC_RSP;
2434 rsp->MsgContext = htole32(req->index | fc_els_handler_id);
2435
2436 /*
2437 * Copy over information from the original reply frame to
2438 * it's correct place in the response.
2439 */
2440 memcpy((U8 *)rsp + 0x0c, (U8 *)rp + 0x1c, 24);
2441
2442 /*
2443 * And now copy back the temporary area to the original frame.
2444 */
2445 memcpy(req->req_vbuf, rsp, sizeof (MSG_LINK_SERVICE_RSP_REQUEST));
2446 rsp = req->req_vbuf;
2447
2448#ifdef USE_IMMEDIATE_LINK_DATA
2449 memcpy((U8 *)&rsp->SGL, &((U8 *)req->req_vbuf)[MPT_RQSL(mpt)], length);
2450#else
2451{
2452 PTR_SGE_SIMPLE32 se = (PTR_SGE_SIMPLE32) &rsp->SGL;
2453 bus_addr_t paddr = req->req_pbuf;
2454 paddr += MPT_RQSL(mpt);
2455
2456 fl =
2457 MPI_SGE_FLAGS_HOST_TO_IOC |
2458 MPI_SGE_FLAGS_SIMPLE_ELEMENT |
2459 MPI_SGE_FLAGS_LAST_ELEMENT |
2460 MPI_SGE_FLAGS_END_OF_LIST |
2461 MPI_SGE_FLAGS_END_OF_BUFFER;
2462 fl <<= MPI_SGE_FLAGS_SHIFT;
2463 fl |= (length);
2464 se->FlagsLength = htole32(fl);
2465 se->Address = htole32((uint32_t) paddr);
2466}
2467#endif
2468
2469 /*
2470 * Send it on...
2471 */
2472 mpt_send_cmd(mpt, req);
2473}
2474
2475static int
2476mpt_fc_els_reply_handler(struct mpt_softc *mpt, request_t *req,
2477 uint32_t reply_desc, MSG_DEFAULT_REPLY *reply_frame)
2478{
2479 PTR_MSG_LINK_SERVICE_BUFFER_POST_REPLY rp =
2480 (PTR_MSG_LINK_SERVICE_BUFFER_POST_REPLY) reply_frame;
2481 U8 rctl;
2482 U8 type;
2483 U8 cmd;
2484 U16 status = le16toh(reply_frame->IOCStatus);
2485 U32 *elsbuf;
2486 int ioindex;
2487 int do_refresh = TRUE;
2488
2489#ifdef INVARIANTS
2490 KASSERT(mpt_req_on_free_list(mpt, req) == 0,
2491 ("fc_els_reply_handler: req %p:%u for function %x on freelist!",
2492 req, req->serno, rp->Function));
2493 if (rp->Function != MPI_FUNCTION_FC_PRIMITIVE_SEND) {
2494 mpt_req_spcl(mpt, req, "fc_els_reply_handler", __LINE__);
2495 } else {
2496 mpt_req_not_spcl(mpt, req, "fc_els_reply_handler", __LINE__);
2497 }
2498#endif
2499 mpt_lprt(mpt, MPT_PRT_DEBUG,
2500 "FC_ELS Complete: req %p:%u, reply %p function %x\n",
2501 req, req->serno, reply_frame, reply_frame->Function);
2502
2503 if (status != MPI_IOCSTATUS_SUCCESS) {
2504 mpt_prt(mpt, "ELS REPLY STATUS 0x%x for Function %x\n",
2505 status, reply_frame->Function);
2506 if (status == MPI_IOCSTATUS_INVALID_STATE) {
2507 /*
2508 * XXX: to get around shutdown issue
2509 */
2510 mpt->disabled = 1;
2511 return (TRUE);
2512 }
2513 return (TRUE);
2514 }
2515
2516 /*
2517 * If the function of a link service response, we recycle the
2518 * response to be a refresh for a new link service request.
2519 *
2520 * The request pointer is bogus in this case and we have to fetch
2521 * it based upon the TransactionContext.
2522 */
2523 if (rp->Function == MPI_FUNCTION_FC_LINK_SRVC_RSP) {
2524 /* Freddie Uncle Charlie Katie */
2525 /* We don't get the IOINDEX as part of the Link Svc Rsp */
2526 for (ioindex = 0; ioindex < mpt->els_cmds_allocated; ioindex++)
2527 if (mpt->els_cmd_ptrs[ioindex] == req) {
2528 break;
2529 }
2530
2531 KASSERT(ioindex < mpt->els_cmds_allocated,
2532 ("can't find my mommie!"));
2533
2534 /* remove from active list as we're going to re-post it */
2535 TAILQ_REMOVE(&mpt->request_pending_list, req, links);
2536 req->state &= ~REQ_STATE_QUEUED;
2537 req->state |= REQ_STATE_DONE;
2538 mpt_fc_post_els(mpt, req, ioindex);
2539 return (TRUE);
2540 }
2541
2542 if (rp->Function == MPI_FUNCTION_FC_PRIMITIVE_SEND) {
2543 /* remove from active list as we're done */
2544 TAILQ_REMOVE(&mpt->request_pending_list, req, links);
2545 req->state &= ~REQ_STATE_QUEUED;
2546 req->state |= REQ_STATE_DONE;
2547 if (req->state & REQ_STATE_TIMEDOUT) {
2548 mpt_lprt(mpt, MPT_PRT_DEBUG,
2549 "Sync Primitive Send Completed After Timeout\n");
2550 mpt_free_request(mpt, req);
2551 } else if ((req->state & REQ_STATE_NEED_WAKEUP) == 0) {
2552 mpt_lprt(mpt, MPT_PRT_DEBUG,
2553 "Async Primitive Send Complete\n");
2554 mpt_free_request(mpt, req);
2555 } else {
2556 mpt_lprt(mpt, MPT_PRT_DEBUG,
2557 "Sync Primitive Send Complete- Waking Waiter\n");
2558 wakeup(req);
2559 }
2560 return (TRUE);
2561 }
2562
2563 if (rp->Function != MPI_FUNCTION_FC_LINK_SRVC_BUF_POST) {
2564 mpt_prt(mpt, "unexpected ELS_REPLY: Function 0x%x Flags %x "
2565 "Length %d Message Flags %x\n", rp->Function, rp->Flags,
2566 rp->MsgLength, rp->MsgFlags);
2567 return (TRUE);
2568 }
2569
2570 if (rp->MsgLength <= 5) {
2571 /*
2572 * This is just a ack of an original ELS buffer post
2573 */
2574 mpt_lprt(mpt, MPT_PRT_DEBUG,
2575 "RECV'd ACK of FC_ELS buf post %p:%u\n", req, req->serno);
2576 return (TRUE);
2577 }
2578
2579
2580 rctl = (le32toh(rp->Rctl_Did) & MPI_FC_RCTL_MASK) >> MPI_FC_RCTL_SHIFT;
2581 type = (le32toh(rp->Type_Fctl) & MPI_FC_TYPE_MASK) >> MPI_FC_TYPE_SHIFT;
2582
2583 elsbuf = &((U32 *)req->req_vbuf)[MPT_RQSL(mpt)/sizeof (U32)];
2584 cmd = be32toh(elsbuf[0]) >> 24;
2585
2586 if (rp->Flags & MPI_LS_BUF_POST_REPLY_FLAG_NO_RSP_NEEDED) {
2587 mpt_lprt(mpt, MPT_PRT_ALWAYS, "ELS_REPLY: response unneeded\n");
2588 return (TRUE);
2589 }
2590
2591 ioindex = le32toh(rp->TransactionContext);
2592 req = mpt->els_cmd_ptrs[ioindex];
2593
2594 if (rctl == ELS && type == 1) {
2595 switch (cmd) {
2596 case PRLI:
2597 /*
2598 * Send back a PRLI ACC
2599 */
2600 mpt_prt(mpt, "PRLI from 0x%08x%08x\n",
2601 le32toh(rp->Wwn.PortNameHigh),
2602 le32toh(rp->Wwn.PortNameLow));
2603 elsbuf[0] = htobe32(0x02100014);
2604 elsbuf[1] |= htobe32(0x00000100);
2605 elsbuf[4] = htobe32(0x00000002);
2606 if (mpt->role & MPT_ROLE_TARGET)
2607 elsbuf[4] |= htobe32(0x00000010);
2608 if (mpt->role & MPT_ROLE_INITIATOR)
2609 elsbuf[4] |= htobe32(0x00000020);
2610 /* remove from active list as we're done */
2611 TAILQ_REMOVE(&mpt->request_pending_list, req, links);
2612 req->state &= ~REQ_STATE_QUEUED;
2613 req->state |= REQ_STATE_DONE;
2614 mpt_fc_els_send_response(mpt, req, rp, 20);
2615 do_refresh = FALSE;
2616 break;
2617 case PRLO:
2618 memset(elsbuf, 0, 5 * (sizeof (U32)));
2619 elsbuf[0] = htobe32(0x02100014);
2620 elsbuf[1] = htobe32(0x08000100);
2621 mpt_prt(mpt, "PRLO from 0x%08x%08x\n",
2622 le32toh(rp->Wwn.PortNameHigh),
2623 le32toh(rp->Wwn.PortNameLow));
2624 /* remove from active list as we're done */
2625 TAILQ_REMOVE(&mpt->request_pending_list, req, links);
2626 req->state &= ~REQ_STATE_QUEUED;
2627 req->state |= REQ_STATE_DONE;
2628 mpt_fc_els_send_response(mpt, req, rp, 20);
2629 do_refresh = FALSE;
2630 break;
2631 default:
2632 mpt_prt(mpt, "ELS TYPE 1 COMMAND: %x\n", cmd);
2633 break;
2634 }
2635 } else if (rctl == ABTS && type == 0) {
2636 uint16_t rx_id = le16toh(rp->Rxid);
2637 uint16_t ox_id = le16toh(rp->Oxid);
2638 request_t *tgt_req = NULL;
2639
2640 mpt_prt(mpt,
2641 "ELS: ABTS OX_ID 0x%x RX_ID 0x%x from 0x%08x%08x\n",
2642 ox_id, rx_id, le32toh(rp->Wwn.PortNameHigh),
2643 le32toh(rp->Wwn.PortNameLow));
2644 if (rx_id >= mpt->mpt_max_tgtcmds) {
2645 mpt_prt(mpt, "Bad RX_ID 0x%x\n", rx_id);
2646 } else if (mpt->tgt_cmd_ptrs == NULL) {
2647 mpt_prt(mpt, "No TGT CMD PTRS\n");
2648 } else {
2649 tgt_req = mpt->tgt_cmd_ptrs[rx_id];
2650 }
2651 if (tgt_req) {
2652 mpt_tgt_state_t *tgt = MPT_TGT_STATE(mpt, tgt_req);
2653 uint8_t *vbuf;
2654 union ccb *ccb = tgt->ccb;
2655 uint32_t ct_id;
2656
2657 vbuf = tgt_req->req_vbuf;
2658 vbuf += MPT_RQSL(mpt);
2659
2660 /*
2661 * Check to make sure we have the correct command
2662 * The reply descriptor in the target state should
2663 * should contain an IoIndex that should match the
2664 * RX_ID.
2665 *
2666 * It'd be nice to have OX_ID to crosscheck with
2667 * as well.
2668 */
2669 ct_id = GET_IO_INDEX(tgt->reply_desc);
2670
2671 if (ct_id != rx_id) {
2672 mpt_lprt(mpt, MPT_PRT_ERROR, "ABORT Mismatch: "
2673 "RX_ID received=0x%x; RX_ID in cmd=0x%x\n",
2674 rx_id, ct_id);
2675 goto skip;
2676 }
2677
2678 ccb = tgt->ccb;
2679 if (ccb) {
2680 mpt_prt(mpt,
2681 "CCB (%p): lun %u flags %x status %x\n",
2682 ccb, ccb->ccb_h.target_lun,
2683 ccb->ccb_h.flags, ccb->ccb_h.status);
2684 }
2685 mpt_prt(mpt, "target state 0x%x resid %u xfrd %u rpwrd "
2686 "%x nxfers %x\n", tgt->state,
2687 tgt->resid, tgt->bytes_xfered, tgt->reply_desc,
2688 tgt->nxfers);
2689 skip:
2690 if (mpt_abort_target_cmd(mpt, tgt_req)) {
2691 mpt_prt(mpt, "unable to start TargetAbort\n");
2692 }
2693 } else {
2694 mpt_prt(mpt, "no back pointer for RX_ID 0x%x\n", rx_id);
2695 }
2696 memset(elsbuf, 0, 5 * (sizeof (U32)));
2697 elsbuf[0] = htobe32(0);
2698 elsbuf[1] = htobe32((ox_id << 16) | rx_id);
2699 elsbuf[2] = htobe32(0x000ffff);
2700 /*
2701 * Dork with the reply frame so that the reponse to it
2702 * will be correct.
2703 */
2704 rp->Rctl_Did += ((BA_ACC - ABTS) << MPI_FC_RCTL_SHIFT);
2705 /* remove from active list as we're done */
2706 TAILQ_REMOVE(&mpt->request_pending_list, req, links);
2707 req->state &= ~REQ_STATE_QUEUED;
2708 req->state |= REQ_STATE_DONE;
2709 mpt_fc_els_send_response(mpt, req, rp, 12);
2710 do_refresh = FALSE;
2711 } else {
2712 mpt_prt(mpt, "ELS: RCTL %x TYPE %x CMD %x\n", rctl, type, cmd);
2713 }
2714 if (do_refresh == TRUE) {
2715 /* remove from active list as we're done */
2716 TAILQ_REMOVE(&mpt->request_pending_list, req, links);
2717 req->state &= ~REQ_STATE_QUEUED;
2718 req->state |= REQ_STATE_DONE;
2719 mpt_fc_post_els(mpt, req, ioindex);
2720 }
2721 return (TRUE);
2722}
2723
2724/*
2725 * Clean up all SCSI Initiator personality state in response
2726 * to a controller reset.
2727 */
2728static void
2729mpt_cam_ioc_reset(struct mpt_softc *mpt, int type)
2730{
2731 /*
2732 * The pending list is already run down by
2733 * the generic handler. Perform the same
2734 * operation on the timed out request list.
2735 */
2736 mpt_complete_request_chain(mpt, &mpt->request_timeout_list,
2737 MPI_IOCSTATUS_INVALID_STATE);
2738
2739 /*
2740 * XXX: We need to repost ELS and Target Command Buffers?
2741 */
2742
2743 /*
2744 * Inform the XPT that a bus reset has occurred.
2745 */
2746 xpt_async(AC_BUS_RESET, mpt->path, NULL);
2747}
2748
2749/*
2750 * Parse additional completion information in the reply
2751 * frame for SCSI I/O requests.
2752 */
2753static int
2754mpt_scsi_reply_frame_handler(struct mpt_softc *mpt, request_t *req,
2755 MSG_DEFAULT_REPLY *reply_frame)
2756{
2757 union ccb *ccb;
2758 MSG_SCSI_IO_REPLY *scsi_io_reply;
2759 u_int ioc_status;
2760 u_int sstate;
2761 u_int loginfo;
2762
2763 MPT_DUMP_REPLY_FRAME(mpt, reply_frame);
2764 KASSERT(reply_frame->Function == MPI_FUNCTION_SCSI_IO_REQUEST
2765 || reply_frame->Function == MPI_FUNCTION_RAID_SCSI_IO_PASSTHROUGH,
2766 ("MPT SCSI I/O Handler called with incorrect reply type"));
2767 KASSERT((reply_frame->MsgFlags & MPI_MSGFLAGS_CONTINUATION_REPLY) == 0,
2768 ("MPT SCSI I/O Handler called with continuation reply"));
2769
2770 scsi_io_reply = (MSG_SCSI_IO_REPLY *)reply_frame;
2771 ioc_status = le16toh(scsi_io_reply->IOCStatus);
2772 loginfo = ioc_status & MPI_IOCSTATUS_FLAG_LOG_INFO_AVAILABLE;
2773 ioc_status &= MPI_IOCSTATUS_MASK;
2774 sstate = scsi_io_reply->SCSIState;
2775
2776 ccb = req->ccb;
2777 ccb->csio.resid =
2778 ccb->csio.dxfer_len - le32toh(scsi_io_reply->TransferCount);
2779
2780 if ((sstate & MPI_SCSI_STATE_AUTOSENSE_VALID) != 0
2781 && (ccb->ccb_h.flags & (CAM_SENSE_PHYS | CAM_SENSE_PTR)) == 0) {
2782 ccb->ccb_h.status |= CAM_AUTOSNS_VALID;
2783 ccb->csio.sense_resid =
2784 ccb->csio.sense_len - scsi_io_reply->SenseCount;
2785 bcopy(req->sense_vbuf, &ccb->csio.sense_data,
2786 min(ccb->csio.sense_len, scsi_io_reply->SenseCount));
2787 }
2788
2789 if ((sstate & MPI_SCSI_STATE_QUEUE_TAG_REJECTED) != 0) {
2790 /*
2791 * Tag messages rejected, but non-tagged retry
2792 * was successful.
2793XXXX
2794 mpt_set_tags(mpt, devinfo, MPT_QUEUE_NONE);
2795 */
2796 }
2797
2798 switch(ioc_status) {
2799 case MPI_IOCSTATUS_SCSI_RESIDUAL_MISMATCH:
2800 /*
2801 * XXX
2802 * Linux driver indicates that a zero
2803 * transfer length with this error code
2804 * indicates a CRC error.
2805 *
2806 * No need to swap the bytes for checking
2807 * against zero.
2808 */
2809 if (scsi_io_reply->TransferCount == 0) {
2810 mpt_set_ccb_status(ccb, CAM_UNCOR_PARITY);
2811 break;
2812 }
2813 /* FALLTHROUGH */
2814 case MPI_IOCSTATUS_SCSI_DATA_UNDERRUN:
2815 case MPI_IOCSTATUS_SUCCESS:
2816 case MPI_IOCSTATUS_SCSI_RECOVERED_ERROR:
2817 if ((sstate & MPI_SCSI_STATE_NO_SCSI_STATUS) != 0) {
2818 /*
2819 * Status was never returned for this transaction.
2820 */
2821 mpt_set_ccb_status(ccb, CAM_UNEXP_BUSFREE);
2822 } else if (scsi_io_reply->SCSIStatus != SCSI_STATUS_OK) {
2823 ccb->csio.scsi_status = scsi_io_reply->SCSIStatus;
2824 mpt_set_ccb_status(ccb, CAM_SCSI_STATUS_ERROR);
2825 if ((sstate & MPI_SCSI_STATE_AUTOSENSE_FAILED) != 0)
2826 mpt_set_ccb_status(ccb, CAM_AUTOSENSE_FAIL);
2827 } else if ((sstate & MPI_SCSI_STATE_RESPONSE_INFO_VALID) != 0) {
2828
2829 /* XXX Handle SPI-Packet and FCP-2 reponse info. */
2830 mpt_set_ccb_status(ccb, CAM_REQ_CMP_ERR);
2831 } else
2832 mpt_set_ccb_status(ccb, CAM_REQ_CMP);
2833 break;
2834 case MPI_IOCSTATUS_SCSI_DATA_OVERRUN:
2835 mpt_set_ccb_status(ccb, CAM_DATA_RUN_ERR);
2836 break;
2837 case MPI_IOCSTATUS_SCSI_IO_DATA_ERROR:
2838 mpt_set_ccb_status(ccb, CAM_UNCOR_PARITY);
2839 break;
2840 case MPI_IOCSTATUS_SCSI_DEVICE_NOT_THERE:
2841 /*
2842 * Since selection timeouts and "device really not
2843 * there" are grouped into this error code, report
2844 * selection timeout. Selection timeouts are
2845 * typically retried before giving up on the device
2846 * whereas "device not there" errors are considered
2847 * unretryable.
2848 */
2849 mpt_set_ccb_status(ccb, CAM_SEL_TIMEOUT);
2850 break;
2851 case MPI_IOCSTATUS_SCSI_PROTOCOL_ERROR:
2852 mpt_set_ccb_status(ccb, CAM_SEQUENCE_FAIL);
2853 break;
2854 case MPI_IOCSTATUS_SCSI_INVALID_BUS:
2855 mpt_set_ccb_status(ccb, CAM_PATH_INVALID);
2856 break;
2857 case MPI_IOCSTATUS_SCSI_INVALID_TARGETID:
2858 mpt_set_ccb_status(ccb, CAM_TID_INVALID);
2859 break;
2860 case MPI_IOCSTATUS_SCSI_TASK_MGMT_FAILED:
2861 ccb->ccb_h.status = CAM_UA_TERMIO;
2862 break;
2863 case MPI_IOCSTATUS_INVALID_STATE:
2864 /*
2865 * The IOC has been reset. Emulate a bus reset.
2866 */
2867 /* FALLTHROUGH */
2868 case MPI_IOCSTATUS_SCSI_EXT_TERMINATED:
2869 ccb->ccb_h.status = CAM_SCSI_BUS_RESET;
2870 break;
2871 case MPI_IOCSTATUS_SCSI_TASK_TERMINATED:
2872 case MPI_IOCSTATUS_SCSI_IOC_TERMINATED:
2873 /*
2874 * Don't clobber any timeout status that has
2875 * already been set for this transaction. We
2876 * want the SCSI layer to be able to differentiate
2877 * between the command we aborted due to timeout
2878 * and any innocent bystanders.
2879 */
2880 if ((ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_INPROG)
2881 break;
2882 mpt_set_ccb_status(ccb, CAM_REQ_TERMIO);
2883 break;
2884
2885 case MPI_IOCSTATUS_INSUFFICIENT_RESOURCES:
2886 mpt_set_ccb_status(ccb, CAM_RESRC_UNAVAIL);
2887 break;
2888 case MPI_IOCSTATUS_BUSY:
2889 mpt_set_ccb_status(ccb, CAM_BUSY);
2890 break;
2891 case MPI_IOCSTATUS_INVALID_FUNCTION:
2892 case MPI_IOCSTATUS_INVALID_SGL:
2893 case MPI_IOCSTATUS_INTERNAL_ERROR:
2894 case MPI_IOCSTATUS_INVALID_FIELD:
2895 default:
2896 /* XXX
2897 * Some of the above may need to kick
2898 * of a recovery action!!!!
2899 */
2900 ccb->ccb_h.status = CAM_UNREC_HBA_ERROR;
2901 break;
2902 }
2903
2904 if ((ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) {
2905 mpt_freeze_ccb(ccb);
2906 }
2907
2908 return (TRUE);
2909}
2910
2911static void
2912mpt_action(struct cam_sim *sim, union ccb *ccb)
2913{
2914 struct mpt_softc *mpt;
2915 struct ccb_trans_settings *cts;
2916 target_id_t tgt;
2917 lun_id_t lun;
2918 int raid_passthru;
2919
2920 CAM_DEBUG(ccb->ccb_h.path, CAM_DEBUG_TRACE, ("mpt_action\n"));
2921
2922 mpt = (struct mpt_softc *)cam_sim_softc(sim);
2907 KASSERT(MPT_OWNED(mpt) == 0, ("mpt owned on entrance to mpt_action"));
2908 raid_passthru = (sim == mpt->phydisk_sim);
2923 raid_passthru = (sim == mpt->phydisk_sim);
2924 MPT_LOCK_ASSERT(mpt);
2909
2910 tgt = ccb->ccb_h.target_id;
2911 lun = ccb->ccb_h.target_lun;
2912 if (raid_passthru &&
2913 ccb->ccb_h.func_code != XPT_PATH_INQ &&
2914 ccb->ccb_h.func_code != XPT_RESET_BUS &&
2915 ccb->ccb_h.func_code != XPT_RESET_DEV) {
2916 CAMLOCK_2_MPTLOCK(mpt);
2917 if (mpt_map_physdisk(mpt, ccb, &tgt) != 0) {
2918 MPTLOCK_2_CAMLOCK(mpt);
2919 ccb->ccb_h.status &= ~CAM_SIM_QUEUED;
2920 mpt_set_ccb_status(ccb, CAM_DEV_NOT_THERE);
2921 xpt_done(ccb);
2922 return;
2923 }
2924 MPTLOCK_2_CAMLOCK(mpt);
2925 }
2926 ccb->ccb_h.ccb_mpt_ptr = mpt;
2927
2928 switch (ccb->ccb_h.func_code) {
2929 case XPT_SCSI_IO: /* Execute the requested I/O operation */
2930 /*
2931 * Do a couple of preliminary checks...
2932 */
2933 if ((ccb->ccb_h.flags & CAM_CDB_POINTER) != 0) {
2934 if ((ccb->ccb_h.flags & CAM_CDB_PHYS) != 0) {
2935 ccb->ccb_h.status &= ~CAM_SIM_QUEUED;
2936 mpt_set_ccb_status(ccb, CAM_REQ_INVALID);
2937 break;
2938 }
2939 }
2940 /* Max supported CDB length is 16 bytes */
2941 /* XXX Unless we implement the new 32byte message type */
2942 if (ccb->csio.cdb_len >
2943 sizeof (((PTR_MSG_SCSI_IO_REQUEST)0)->CDB)) {
2944 ccb->ccb_h.status &= ~CAM_SIM_QUEUED;
2945 mpt_set_ccb_status(ccb, CAM_REQ_INVALID);
2946 break;
2947 }
2948#ifdef MPT_TEST_MULTIPATH
2949 if (mpt->failure_id == ccb->ccb_h.target_id) {
2950 ccb->ccb_h.status &= ~CAM_SIM_QUEUED;
2951 mpt_set_ccb_status(ccb, CAM_SEL_TIMEOUT);
2952 break;
2953 }
2954#endif
2955 ccb->csio.scsi_status = SCSI_STATUS_OK;
2956 mpt_start(sim, ccb);
2957 return;
2958
2959 case XPT_RESET_BUS:
2960 if (raid_passthru) {
2961 ccb->ccb_h.status &= ~CAM_SIM_QUEUED;
2962 mpt_set_ccb_status(ccb, CAM_REQ_CMP);
2963 break;
2964 }
2965 case XPT_RESET_DEV:
2966 if (ccb->ccb_h.func_code == XPT_RESET_BUS) {
2967 if (bootverbose) {
2968 xpt_print(ccb->ccb_h.path, "reset bus\n");
2969 }
2970 } else {
2971 xpt_print(ccb->ccb_h.path, "reset device\n");
2972 }
2973 CAMLOCK_2_MPTLOCK(mpt);
2974 (void) mpt_bus_reset(mpt, tgt, lun, FALSE);
2975 MPTLOCK_2_CAMLOCK(mpt);
2976
2977 /*
2978 * mpt_bus_reset is always successful in that it
2979 * will fall back to a hard reset should a bus
2980 * reset attempt fail.
2981 */
2982 ccb->ccb_h.status &= ~CAM_SIM_QUEUED;
2983 mpt_set_ccb_status(ccb, CAM_REQ_CMP);
2984 break;
2985
2986 case XPT_ABORT:
2987 {
2988 union ccb *accb = ccb->cab.abort_ccb;
2989 CAMLOCK_2_MPTLOCK(mpt);
2990 switch (accb->ccb_h.func_code) {
2991 case XPT_ACCEPT_TARGET_IO:
2992 case XPT_IMMED_NOTIFY:
2993 ccb->ccb_h.status = mpt_abort_target_ccb(mpt, ccb);
2994 break;
2995 case XPT_CONT_TARGET_IO:
2996 mpt_prt(mpt, "cannot abort active CTIOs yet\n");
2997 ccb->ccb_h.status = CAM_UA_ABORT;
2998 break;
2999 case XPT_SCSI_IO:
3000 ccb->ccb_h.status = CAM_UA_ABORT;
3001 break;
3002 default:
3003 ccb->ccb_h.status = CAM_REQ_INVALID;
3004 break;
3005 }
3006 MPTLOCK_2_CAMLOCK(mpt);
3007 break;
3008 }
3009
3010#ifdef CAM_NEW_TRAN_CODE
3011#define IS_CURRENT_SETTINGS(c) ((c)->type == CTS_TYPE_CURRENT_SETTINGS)
3012#else
3013#define IS_CURRENT_SETTINGS(c) ((c)->flags & CCB_TRANS_CURRENT_SETTINGS)
3014#endif
3015#define DP_DISC_ENABLE 0x1
3016#define DP_DISC_DISABL 0x2
3017#define DP_DISC (DP_DISC_ENABLE|DP_DISC_DISABL)
3018
3019#define DP_TQING_ENABLE 0x4
3020#define DP_TQING_DISABL 0x8
3021#define DP_TQING (DP_TQING_ENABLE|DP_TQING_DISABL)
3022
3023#define DP_WIDE 0x10
3024#define DP_NARROW 0x20
3025#define DP_WIDTH (DP_WIDE|DP_NARROW)
3026
3027#define DP_SYNC 0x40
3028
3029 case XPT_SET_TRAN_SETTINGS: /* Nexus Settings */
3030 {
3031#ifdef CAM_NEW_TRAN_CODE
3032 struct ccb_trans_settings_scsi *scsi;
3033 struct ccb_trans_settings_spi *spi;
3034#endif
3035 uint8_t dval;
3036 u_int period;
3037 u_int offset;
3038 int i, j;
3039
3040 cts = &ccb->cts;
3041
3042 if (mpt->is_fc || mpt->is_sas) {
3043 mpt_set_ccb_status(ccb, CAM_REQ_CMP);
3044 break;
3045 }
3046
3047#ifdef CAM_NEW_TRAN_CODE
3048 scsi = &cts->proto_specific.scsi;
3049 spi = &cts->xport_specific.spi;
3050
3051 /*
3052 * We can be called just to valid transport and proto versions
3053 */
3054 if (scsi->valid == 0 && spi->valid == 0) {
3055 mpt_set_ccb_status(ccb, CAM_REQ_CMP);
3056 break;
3057 }
3058#endif
3059
3060 /*
3061 * Skip attempting settings on RAID volume disks.
3062 * Other devices on the bus get the normal treatment.
3063 */
3064 if (mpt->phydisk_sim && raid_passthru == 0 &&
3065 mpt_is_raid_volume(mpt, tgt) != 0) {
3066 mpt_lprt(mpt, MPT_PRT_NEGOTIATION,
3067 "no transfer settings for RAID vols\n");
3068 mpt_set_ccb_status(ccb, CAM_REQ_CMP);
3069 break;
3070 }
3071
3072 i = mpt->mpt_port_page2.PortSettings &
3073 MPI_SCSIPORTPAGE2_PORT_MASK_NEGO_MASTER_SETTINGS;
3074 j = mpt->mpt_port_page2.PortFlags &
3075 MPI_SCSIPORTPAGE2_PORT_FLAGS_DV_MASK;
3076 if (i == MPI_SCSIPORTPAGE2_PORT_ALL_MASTER_SETTINGS &&
3077 j == MPI_SCSIPORTPAGE2_PORT_FLAGS_OFF_DV) {
3078 mpt_lprt(mpt, MPT_PRT_ALWAYS,
3079 "honoring BIOS transfer negotiations\n");
3080 mpt_set_ccb_status(ccb, CAM_REQ_CMP);
3081 break;
3082 }
3083
3084 dval = 0;
3085 period = 0;
3086 offset = 0;
3087
3088#ifndef CAM_NEW_TRAN_CODE
3089 if ((cts->valid & CCB_TRANS_DISC_VALID) != 0) {
3090 dval |= (cts->flags & CCB_TRANS_DISC_ENB) ?
3091 DP_DISC_ENABLE : DP_DISC_DISABL;
3092 }
3093
3094 if ((cts->valid & CCB_TRANS_TQ_VALID) != 0) {
3095 dval |= (cts->flags & CCB_TRANS_TAG_ENB) ?
3096 DP_TQING_ENABLE : DP_TQING_DISABL;
3097 }
3098
3099 if ((cts->valid & CCB_TRANS_BUS_WIDTH_VALID) != 0) {
3100 dval |= cts->bus_width ? DP_WIDE : DP_NARROW;
3101 }
3102
3103 if ((cts->valid & CCB_TRANS_SYNC_RATE_VALID) &&
3104 (cts->valid & CCB_TRANS_SYNC_OFFSET_VALID)) {
3105 dval |= DP_SYNC;
3106 period = cts->sync_period;
3107 offset = cts->sync_offset;
3108 }
3109#else
3110 if ((spi->valid & CTS_SPI_VALID_DISC) != 0) {
3111 dval |= ((spi->flags & CTS_SPI_FLAGS_DISC_ENB) != 0) ?
3112 DP_DISC_ENABLE : DP_DISC_DISABL;
3113 }
3114
3115 if ((scsi->valid & CTS_SCSI_VALID_TQ) != 0) {
3116 dval |= ((scsi->flags & CTS_SCSI_FLAGS_TAG_ENB) != 0) ?
3117 DP_TQING_ENABLE : DP_TQING_DISABL;
3118 }
3119
3120 if ((spi->valid & CTS_SPI_VALID_BUS_WIDTH) != 0) {
3121 dval |= (spi->bus_width == MSG_EXT_WDTR_BUS_16_BIT) ?
3122 DP_WIDE : DP_NARROW;
3123 }
3124
3125 if (spi->valid & CTS_SPI_VALID_SYNC_OFFSET) {
3126 dval |= DP_SYNC;
3127 offset = spi->sync_offset;
3128 } else {
3129 PTR_CONFIG_PAGE_SCSI_DEVICE_1 ptr =
3130 &mpt->mpt_dev_page1[tgt];
3131 offset = ptr->RequestedParameters;
3132 offset &= MPI_SCSIDEVPAGE1_RP_MAX_SYNC_OFFSET_MASK;
3133 offset >>= MPI_SCSIDEVPAGE1_RP_SHIFT_MAX_SYNC_OFFSET;
3134 }
3135 if (spi->valid & CTS_SPI_VALID_SYNC_RATE) {
3136 dval |= DP_SYNC;
3137 period = spi->sync_period;
3138 } else {
3139 PTR_CONFIG_PAGE_SCSI_DEVICE_1 ptr =
3140 &mpt->mpt_dev_page1[tgt];
3141 period = ptr->RequestedParameters;
3142 period &= MPI_SCSIDEVPAGE1_RP_MIN_SYNC_PERIOD_MASK;
3143 period >>= MPI_SCSIDEVPAGE1_RP_SHIFT_MIN_SYNC_PERIOD;
3144 }
3145#endif
3146 CAMLOCK_2_MPTLOCK(mpt);
3147 if (dval & DP_DISC_ENABLE) {
3148 mpt->mpt_disc_enable |= (1 << tgt);
3149 } else if (dval & DP_DISC_DISABL) {
3150 mpt->mpt_disc_enable &= ~(1 << tgt);
3151 }
3152 if (dval & DP_TQING_ENABLE) {
3153 mpt->mpt_tag_enable |= (1 << tgt);
3154 } else if (dval & DP_TQING_DISABL) {
3155 mpt->mpt_tag_enable &= ~(1 << tgt);
3156 }
3157 if (dval & DP_WIDTH) {
3158 mpt_setwidth(mpt, tgt, 1);
3159 }
3160 if (dval & DP_SYNC) {
3161 mpt_setsync(mpt, tgt, period, offset);
3162 }
3163 if (dval == 0) {
3164 MPTLOCK_2_CAMLOCK(mpt);
3165 mpt_set_ccb_status(ccb, CAM_REQ_CMP);
3166 break;
3167 }
3168 mpt_lprt(mpt, MPT_PRT_NEGOTIATION,
3169 "set [%d]: 0x%x period 0x%x offset %d\n",
3170 tgt, dval, period, offset);
3171 if (mpt_update_spi_config(mpt, tgt)) {
3172 mpt_set_ccb_status(ccb, CAM_REQ_CMP_ERR);
3173 } else {
3174 mpt_set_ccb_status(ccb, CAM_REQ_CMP);
3175 }
3176 MPTLOCK_2_CAMLOCK(mpt);
3177 break;
3178 }
3179 case XPT_GET_TRAN_SETTINGS:
3180 {
3181#ifdef CAM_NEW_TRAN_CODE
3182 struct ccb_trans_settings_scsi *scsi;
3183 cts = &ccb->cts;
3184 cts->protocol = PROTO_SCSI;
3185 if (mpt->is_fc) {
3186 struct ccb_trans_settings_fc *fc =
3187 &cts->xport_specific.fc;
3188 cts->protocol_version = SCSI_REV_SPC;
3189 cts->transport = XPORT_FC;
3190 cts->transport_version = 0;
3191 fc->valid = CTS_FC_VALID_SPEED;
3192 fc->bitrate = 100000;
3193 } else if (mpt->is_sas) {
3194 struct ccb_trans_settings_sas *sas =
3195 &cts->xport_specific.sas;
3196 cts->protocol_version = SCSI_REV_SPC2;
3197 cts->transport = XPORT_SAS;
3198 cts->transport_version = 0;
3199 sas->valid = CTS_SAS_VALID_SPEED;
3200 sas->bitrate = 300000;
3201 } else {
3202 cts->protocol_version = SCSI_REV_2;
3203 cts->transport = XPORT_SPI;
3204 cts->transport_version = 2;
3205 if (mpt_get_spi_settings(mpt, cts) != 0) {
3206 mpt_set_ccb_status(ccb, CAM_REQ_CMP_ERR);
3207 break;
3208 }
3209 }
3210 scsi = &cts->proto_specific.scsi;
3211 scsi->valid = CTS_SCSI_VALID_TQ;
3212 scsi->flags = CTS_SCSI_FLAGS_TAG_ENB;
3213#else
3214 cts = &ccb->cts;
3215 if (mpt->is_fc) {
3216 cts->flags = CCB_TRANS_TAG_ENB | CCB_TRANS_DISC_ENB;
3217 cts->valid = CCB_TRANS_DISC_VALID | CCB_TRANS_TQ_VALID;
3218 cts->bus_width = MSG_EXT_WDTR_BUS_8_BIT;
3219 } else if (mpt->is_sas) {
3220 cts->flags = CCB_TRANS_TAG_ENB | CCB_TRANS_DISC_ENB;
3221 cts->valid = CCB_TRANS_DISC_VALID | CCB_TRANS_TQ_VALID;
3222 cts->bus_width = MSG_EXT_WDTR_BUS_8_BIT;
3223 } else if (mpt_get_spi_settings(mpt, cts) != 0) {
3224 mpt_set_ccb_status(ccb, CAM_REQ_CMP_ERR);
3225 break;
3226 }
3227#endif
3228 mpt_set_ccb_status(ccb, CAM_REQ_CMP);
3229 break;
3230 }
3231 case XPT_CALC_GEOMETRY:
3232 {
3233 struct ccb_calc_geometry *ccg;
3234
3235 ccg = &ccb->ccg;
3236 if (ccg->block_size == 0) {
3237 ccb->ccb_h.status &= ~CAM_SIM_QUEUED;
3238 mpt_set_ccb_status(ccb, CAM_REQ_INVALID);
3239 break;
3240 }
3241 mpt_calc_geometry(ccg, /*extended*/1);
3242 KASSERT(ccb->ccb_h.status, ("zero ccb sts at %d\n", __LINE__));
3243 break;
3244 }
3245 case XPT_PATH_INQ: /* Path routing inquiry */
3246 {
3247 struct ccb_pathinq *cpi = &ccb->cpi;
3248
3249 cpi->version_num = 1;
3250 cpi->target_sprt = 0;
3251 cpi->hba_eng_cnt = 0;
3252 cpi->max_target = mpt->port_facts[0].MaxDevices - 1;
3253 /*
3254 * FC cards report MAX_DEVICES of 512, but
3255 * the MSG_SCSI_IO_REQUEST target id field
3256 * is only 8 bits. Until we fix the driver
3257 * to support 'channels' for bus overflow,
3258 * just limit it.
3259 */
3260 if (cpi->max_target > 255) {
3261 cpi->max_target = 255;
3262 }
3263
3264 /*
3265 * VMware ESX reports > 16 devices and then dies when we probe.
3266 */
3267 if (mpt->is_spi && cpi->max_target > 15) {
3268 cpi->max_target = 15;
3269 }
3270 cpi->max_lun = 7;
3271 cpi->initiator_id = mpt->mpt_ini_id;
3272 cpi->bus_id = cam_sim_bus(sim);
3273
3274 /*
3275 * The base speed is the speed of the underlying connection.
3276 */
3277#ifdef CAM_NEW_TRAN_CODE
3278 cpi->protocol = PROTO_SCSI;
3279 if (mpt->is_fc) {
3280 cpi->hba_misc = PIM_NOBUSRESET;
3281 cpi->base_transfer_speed = 100000;
3282 cpi->hba_inquiry = PI_TAG_ABLE;
3283 cpi->transport = XPORT_FC;
3284 cpi->transport_version = 0;
3285 cpi->protocol_version = SCSI_REV_SPC;
3286 } else if (mpt->is_sas) {
3287 cpi->hba_misc = PIM_NOBUSRESET;
3288 cpi->base_transfer_speed = 300000;
3289 cpi->hba_inquiry = PI_TAG_ABLE;
3290 cpi->transport = XPORT_SAS;
3291 cpi->transport_version = 0;
3292 cpi->protocol_version = SCSI_REV_SPC2;
3293 } else {
3294 cpi->hba_misc = PIM_SEQSCAN;
3295 cpi->base_transfer_speed = 3300;
3296 cpi->hba_inquiry = PI_SDTR_ABLE|PI_TAG_ABLE|PI_WIDE_16;
3297 cpi->transport = XPORT_SPI;
3298 cpi->transport_version = 2;
3299 cpi->protocol_version = SCSI_REV_2;
3300 }
3301#else
3302 if (mpt->is_fc) {
3303 cpi->hba_misc = PIM_NOBUSRESET;
3304 cpi->base_transfer_speed = 100000;
3305 cpi->hba_inquiry = PI_TAG_ABLE;
3306 } else if (mpt->is_sas) {
3307 cpi->hba_misc = PIM_NOBUSRESET;
3308 cpi->base_transfer_speed = 300000;
3309 cpi->hba_inquiry = PI_TAG_ABLE;
3310 } else {
3311 cpi->hba_misc = PIM_SEQSCAN;
3312 cpi->base_transfer_speed = 3300;
3313 cpi->hba_inquiry = PI_SDTR_ABLE|PI_TAG_ABLE|PI_WIDE_16;
3314 }
3315#endif
3316
3317 /*
3318 * We give our fake RAID passhtru bus a width that is MaxVolumes
3319 * wide and restrict it to one lun.
3320 */
3321 if (raid_passthru) {
3322 cpi->max_target = mpt->ioc_page2->MaxPhysDisks - 1;
3323 cpi->initiator_id = cpi->max_target + 1;
3324 cpi->max_lun = 0;
3325 }
3326
3327 if ((mpt->role & MPT_ROLE_INITIATOR) == 0) {
3328 cpi->hba_misc |= PIM_NOINITIATOR;
3329 }
3330 if (mpt->is_fc && (mpt->role & MPT_ROLE_TARGET)) {
3331 cpi->target_sprt =
3332 PIT_PROCESSOR | PIT_DISCONNECT | PIT_TERM_IO;
3333 } else {
3334 cpi->target_sprt = 0;
3335 }
3336 strncpy(cpi->sim_vid, "FreeBSD", SIM_IDLEN);
3337 strncpy(cpi->hba_vid, "LSI", HBA_IDLEN);
3338 strncpy(cpi->dev_name, cam_sim_name(sim), DEV_IDLEN);
3339 cpi->unit_number = cam_sim_unit(sim);
3340 cpi->ccb_h.status = CAM_REQ_CMP;
3341 break;
3342 }
3343 case XPT_EN_LUN: /* Enable LUN as a target */
3344 {
3345 int result;
3346
3347 CAMLOCK_2_MPTLOCK(mpt);
3348 if (ccb->cel.enable)
3349 result = mpt_enable_lun(mpt,
3350 ccb->ccb_h.target_id, ccb->ccb_h.target_lun);
3351 else
3352 result = mpt_disable_lun(mpt,
3353 ccb->ccb_h.target_id, ccb->ccb_h.target_lun);
3354 MPTLOCK_2_CAMLOCK(mpt);
3355 if (result == 0) {
3356 mpt_set_ccb_status(ccb, CAM_REQ_CMP);
3357 } else {
3358 mpt_set_ccb_status(ccb, CAM_REQ_CMP_ERR);
3359 }
3360 break;
3361 }
3362 case XPT_NOTIFY_ACK: /* recycle notify ack */
3363 case XPT_IMMED_NOTIFY: /* Add Immediate Notify Resource */
3364 case XPT_ACCEPT_TARGET_IO: /* Add Accept Target IO Resource */
3365 {
3366 tgt_resource_t *trtp;
3367 lun_id_t lun = ccb->ccb_h.target_lun;
3368 ccb->ccb_h.sim_priv.entries[0].field = 0;
3369 ccb->ccb_h.sim_priv.entries[1].ptr = mpt;
3370 ccb->ccb_h.flags = 0;
3371
3372 if (lun == CAM_LUN_WILDCARD) {
3373 if (ccb->ccb_h.target_id != CAM_TARGET_WILDCARD) {
3374 mpt_set_ccb_status(ccb, CAM_REQ_INVALID);
3375 break;
3376 }
3377 trtp = &mpt->trt_wildcard;
3378 } else if (lun >= MPT_MAX_LUNS) {
3379 mpt_set_ccb_status(ccb, CAM_REQ_INVALID);
3380 break;
3381 } else {
3382 trtp = &mpt->trt[lun];
3383 }
3384 CAMLOCK_2_MPTLOCK(mpt);
3385 if (ccb->ccb_h.func_code == XPT_ACCEPT_TARGET_IO) {
3386 mpt_lprt(mpt, MPT_PRT_DEBUG1,
3387 "Put FREE ATIO %p lun %d\n", ccb, lun);
3388 STAILQ_INSERT_TAIL(&trtp->atios, &ccb->ccb_h,
3389 sim_links.stqe);
3390 } else if (ccb->ccb_h.func_code == XPT_IMMED_NOTIFY) {
3391 mpt_lprt(mpt, MPT_PRT_DEBUG1,
3392 "Put FREE INOT lun %d\n", lun);
3393 STAILQ_INSERT_TAIL(&trtp->inots, &ccb->ccb_h,
3394 sim_links.stqe);
3395 } else {
3396 mpt_lprt(mpt, MPT_PRT_ALWAYS, "Got Notify ACK\n");
3397 }
3398 mpt_set_ccb_status(ccb, CAM_REQ_INPROG);
3399 MPTLOCK_2_CAMLOCK(mpt);
3400 return;
3401 }
3402 case XPT_CONT_TARGET_IO:
3403 CAMLOCK_2_MPTLOCK(mpt);
3404 mpt_target_start_io(mpt, ccb);
3405 MPTLOCK_2_CAMLOCK(mpt);
3406 return;
3407
3408 default:
3409 ccb->ccb_h.status = CAM_REQ_INVALID;
3410 break;
3411 }
3412 xpt_done(ccb);
3413}
3414
3415static int
3416mpt_get_spi_settings(struct mpt_softc *mpt, struct ccb_trans_settings *cts)
3417{
3418#ifdef CAM_NEW_TRAN_CODE
3419 struct ccb_trans_settings_scsi *scsi = &cts->proto_specific.scsi;
3420 struct ccb_trans_settings_spi *spi = &cts->xport_specific.spi;
3421#endif
3422 target_id_t tgt;
3423 uint32_t dval, pval, oval;
3424 int rv;
3425
3426 if (IS_CURRENT_SETTINGS(cts) == 0) {
3427 tgt = cts->ccb_h.target_id;
3428 } else if (xpt_path_sim(cts->ccb_h.path) == mpt->phydisk_sim) {
3429 if (mpt_map_physdisk(mpt, (union ccb *)cts, &tgt)) {
3430 return (-1);
3431 }
3432 } else {
3433 tgt = cts->ccb_h.target_id;
3434 }
3435
3436 /*
3437 * We aren't looking at Port Page 2 BIOS settings here-
3438 * sometimes these have been known to be bogus XXX.
3439 *
3440 * For user settings, we pick the max from port page 0
3441 *
3442 * For current settings we read the current settings out from
3443 * device page 0 for that target.
3444 */
3445 if (IS_CURRENT_SETTINGS(cts)) {
3446 CONFIG_PAGE_SCSI_DEVICE_0 tmp;
3447 dval = 0;
3448
3449 CAMLOCK_2_MPTLOCK(mpt);
3450 tmp = mpt->mpt_dev_page0[tgt];
3451 rv = mpt_read_cur_cfg_page(mpt, tgt, &tmp.Header,
3452 sizeof(tmp), FALSE, 5000);
3453 if (rv) {
3454 MPTLOCK_2_CAMLOCK(mpt);
3455 mpt_prt(mpt, "can't get tgt %d config page 0\n", tgt);
3456 return (rv);
3457 }
3458 MPTLOCK_2_CAMLOCK(mpt);
3459 mpt_lprt(mpt, MPT_PRT_DEBUG,
3460 "mpt_get_spi_settings[%d]: current NP %x Info %x\n", tgt,
3461 tmp.NegotiatedParameters, tmp.Information);
3462 dval |= (tmp.NegotiatedParameters & MPI_SCSIDEVPAGE0_NP_WIDE) ?
3463 DP_WIDE : DP_NARROW;
3464 dval |= (mpt->mpt_disc_enable & (1 << tgt)) ?
3465 DP_DISC_ENABLE : DP_DISC_DISABL;
3466 dval |= (mpt->mpt_tag_enable & (1 << tgt)) ?
3467 DP_TQING_ENABLE : DP_TQING_DISABL;
3468 oval = tmp.NegotiatedParameters;
3469 oval &= MPI_SCSIDEVPAGE0_NP_NEG_SYNC_OFFSET_MASK;
3470 oval >>= MPI_SCSIDEVPAGE0_NP_SHIFT_SYNC_OFFSET;
3471 pval = tmp.NegotiatedParameters;
3472 pval &= MPI_SCSIDEVPAGE0_NP_NEG_SYNC_PERIOD_MASK;
3473 pval >>= MPI_SCSIDEVPAGE0_NP_SHIFT_SYNC_PERIOD;
3474 mpt->mpt_dev_page0[tgt] = tmp;
3475 } else {
3476 dval = DP_WIDE|DP_DISC_ENABLE|DP_TQING_ENABLE|DP_SYNC;
3477 oval = mpt->mpt_port_page0.Capabilities;
3478 oval = MPI_SCSIPORTPAGE0_CAP_GET_MAX_SYNC_OFFSET(oval);
3479 pval = mpt->mpt_port_page0.Capabilities;
3480 pval = MPI_SCSIPORTPAGE0_CAP_GET_MIN_SYNC_PERIOD(pval);
3481 }
3482
3483#ifndef CAM_NEW_TRAN_CODE
3484 cts->flags &= ~(CCB_TRANS_DISC_ENB|CCB_TRANS_TAG_ENB);
3485 cts->valid = 0;
3486 cts->sync_period = pval;
3487 cts->sync_offset = oval;
3488 cts->valid |= CCB_TRANS_SYNC_RATE_VALID;
3489 cts->valid |= CCB_TRANS_SYNC_OFFSET_VALID;
3490 cts->valid |= CCB_TRANS_BUS_WIDTH_VALID;
3491 if (dval & DP_WIDE) {
3492 cts->bus_width = MSG_EXT_WDTR_BUS_16_BIT;
3493 } else {
3494 cts->bus_width = MSG_EXT_WDTR_BUS_8_BIT;
3495 }
3496 if (cts->ccb_h.target_lun != CAM_LUN_WILDCARD) {
3497 cts->valid |= CCB_TRANS_DISC_VALID | CCB_TRANS_TQ_VALID;
3498 if (dval & DP_DISC_ENABLE) {
3499 cts->flags |= CCB_TRANS_DISC_ENB;
3500 }
3501 if (dval & DP_TQING_ENABLE) {
3502 cts->flags |= CCB_TRANS_TAG_ENB;
3503 }
3504 }
3505#else
3506 spi->valid = 0;
3507 scsi->valid = 0;
3508 spi->flags = 0;
3509 scsi->flags = 0;
3510 spi->sync_offset = oval;
3511 spi->sync_period = pval;
3512 spi->valid |= CTS_SPI_VALID_SYNC_OFFSET;
3513 spi->valid |= CTS_SPI_VALID_SYNC_RATE;
3514 spi->valid |= CTS_SPI_VALID_BUS_WIDTH;
3515 if (dval & DP_WIDE) {
3516 spi->bus_width = MSG_EXT_WDTR_BUS_16_BIT;
3517 } else {
3518 spi->bus_width = MSG_EXT_WDTR_BUS_8_BIT;
3519 }
3520 if (cts->ccb_h.target_lun != CAM_LUN_WILDCARD) {
3521 scsi->valid = CTS_SCSI_VALID_TQ;
3522 if (dval & DP_TQING_ENABLE) {
3523 scsi->flags |= CTS_SCSI_FLAGS_TAG_ENB;
3524 }
3525 spi->valid |= CTS_SPI_VALID_DISC;
3526 if (dval & DP_DISC_ENABLE) {
3527 spi->flags |= CTS_SPI_FLAGS_DISC_ENB;
3528 }
3529 }
3530#endif
3531 mpt_lprt(mpt, MPT_PRT_NEGOTIATION,
3532 "mpt_get_spi_settings[%d]: %s flags 0x%x per 0x%x off=%d\n", tgt,
3533 IS_CURRENT_SETTINGS(cts)? "ACTIVE" : "NVRAM ", dval, pval, oval);
3534 return (0);
3535}
3536
3537static void
3538mpt_setwidth(struct mpt_softc *mpt, int tgt, int onoff)
3539{
3540 PTR_CONFIG_PAGE_SCSI_DEVICE_1 ptr;
3541
3542 ptr = &mpt->mpt_dev_page1[tgt];
3543 if (onoff) {
3544 ptr->RequestedParameters |= MPI_SCSIDEVPAGE1_RP_WIDE;
3545 } else {
3546 ptr->RequestedParameters &= ~MPI_SCSIDEVPAGE1_RP_WIDE;
3547 }
3548}
3549
3550static void
3551mpt_setsync(struct mpt_softc *mpt, int tgt, int period, int offset)
3552{
3553 PTR_CONFIG_PAGE_SCSI_DEVICE_1 ptr;
3554
3555 ptr = &mpt->mpt_dev_page1[tgt];
3556 ptr->RequestedParameters &= ~MPI_SCSIDEVPAGE1_RP_MIN_SYNC_PERIOD_MASK;
3557 ptr->RequestedParameters &= ~MPI_SCSIDEVPAGE1_RP_MAX_SYNC_OFFSET_MASK;
3558 ptr->RequestedParameters &= ~MPI_SCSIDEVPAGE1_RP_DT;
3559 ptr->RequestedParameters &= ~MPI_SCSIDEVPAGE1_RP_QAS;
3560 ptr->RequestedParameters &= ~MPI_SCSIDEVPAGE1_RP_IU;
3561 if (period == 0) {
3562 return;
3563 }
3564 ptr->RequestedParameters |=
3565 period << MPI_SCSIDEVPAGE1_RP_SHIFT_MIN_SYNC_PERIOD;
3566 ptr->RequestedParameters |=
3567 offset << MPI_SCSIDEVPAGE1_RP_SHIFT_MAX_SYNC_OFFSET;
3568 if (period < 0xa) {
3569 ptr->RequestedParameters |= MPI_SCSIDEVPAGE1_RP_DT;
3570 }
3571 if (period < 0x9) {
3572 ptr->RequestedParameters |= MPI_SCSIDEVPAGE1_RP_QAS;
3573 ptr->RequestedParameters |= MPI_SCSIDEVPAGE1_RP_IU;
3574 }
3575}
3576
3577static int
3578mpt_update_spi_config(struct mpt_softc *mpt, int tgt)
3579{
3580 CONFIG_PAGE_SCSI_DEVICE_1 tmp;
3581 int rv;
3582
3583 mpt_lprt(mpt, MPT_PRT_NEGOTIATION,
3584 "mpt_update_spi_config[%d].page1: Requested Params 0x%08x\n",
3585 tgt, mpt->mpt_dev_page1[tgt].RequestedParameters);
3586 tmp = mpt->mpt_dev_page1[tgt];
3587 rv = mpt_write_cur_cfg_page(mpt, tgt,
3588 &tmp.Header, sizeof(tmp), FALSE, 5000);
3589 if (rv) {
3590 mpt_prt(mpt, "mpt_update_spi_config: write cur page failed\n");
3591 return (-1);
3592 }
3593 return (0);
3594}
3595
3596static void
3597mpt_calc_geometry(struct ccb_calc_geometry *ccg, int extended)
3598{
3599#if __FreeBSD_version >= 500000
3600 cam_calc_geometry(ccg, extended);
3601#else
3602 uint32_t size_mb;
3603 uint32_t secs_per_cylinder;
3604
3605 if (ccg->block_size == 0) {
3606 ccg->ccb_h.status = CAM_REQ_INVALID;
3607 return;
3608 }
3609 size_mb = ccg->volume_size / ((1024L * 1024L) / ccg->block_size);
3610 if (size_mb > 1024 && extended) {
3611 ccg->heads = 255;
3612 ccg->secs_per_track = 63;
3613 } else {
3614 ccg->heads = 64;
3615 ccg->secs_per_track = 32;
3616 }
3617 secs_per_cylinder = ccg->heads * ccg->secs_per_track;
3618 ccg->cylinders = ccg->volume_size / secs_per_cylinder;
3619 ccg->ccb_h.status = CAM_REQ_CMP;
3620#endif
3621}
3622
3623/****************************** Timeout Recovery ******************************/
3624static int
3625mpt_spawn_recovery_thread(struct mpt_softc *mpt)
3626{
3627 int error;
3628
3629 error = mpt_kthread_create(mpt_recovery_thread, mpt,
3630 &mpt->recovery_thread, /*flags*/0,
3631 /*altstack*/0, "mpt_recovery%d", mpt->unit);
3632 return (error);
3633}
3634
3635static void
3636mpt_terminate_recovery_thread(struct mpt_softc *mpt)
3637{
3638 if (mpt->recovery_thread == NULL) {
3639 return;
3640 }
3641 mpt->shutdwn_recovery = 1;
3642 wakeup(mpt);
3643 /*
3644 * Sleep on a slightly different location
3645 * for this interlock just for added safety.
3646 */
3647 mpt_sleep(mpt, &mpt->recovery_thread, PUSER, "thtrm", 0);
3648}
3649
3650static void
3651mpt_recovery_thread(void *arg)
3652{
3653 struct mpt_softc *mpt;
3654
2925
2926 tgt = ccb->ccb_h.target_id;
2927 lun = ccb->ccb_h.target_lun;
2928 if (raid_passthru &&
2929 ccb->ccb_h.func_code != XPT_PATH_INQ &&
2930 ccb->ccb_h.func_code != XPT_RESET_BUS &&
2931 ccb->ccb_h.func_code != XPT_RESET_DEV) {
2932 CAMLOCK_2_MPTLOCK(mpt);
2933 if (mpt_map_physdisk(mpt, ccb, &tgt) != 0) {
2934 MPTLOCK_2_CAMLOCK(mpt);
2935 ccb->ccb_h.status &= ~CAM_SIM_QUEUED;
2936 mpt_set_ccb_status(ccb, CAM_DEV_NOT_THERE);
2937 xpt_done(ccb);
2938 return;
2939 }
2940 MPTLOCK_2_CAMLOCK(mpt);
2941 }
2942 ccb->ccb_h.ccb_mpt_ptr = mpt;
2943
2944 switch (ccb->ccb_h.func_code) {
2945 case XPT_SCSI_IO: /* Execute the requested I/O operation */
2946 /*
2947 * Do a couple of preliminary checks...
2948 */
2949 if ((ccb->ccb_h.flags & CAM_CDB_POINTER) != 0) {
2950 if ((ccb->ccb_h.flags & CAM_CDB_PHYS) != 0) {
2951 ccb->ccb_h.status &= ~CAM_SIM_QUEUED;
2952 mpt_set_ccb_status(ccb, CAM_REQ_INVALID);
2953 break;
2954 }
2955 }
2956 /* Max supported CDB length is 16 bytes */
2957 /* XXX Unless we implement the new 32byte message type */
2958 if (ccb->csio.cdb_len >
2959 sizeof (((PTR_MSG_SCSI_IO_REQUEST)0)->CDB)) {
2960 ccb->ccb_h.status &= ~CAM_SIM_QUEUED;
2961 mpt_set_ccb_status(ccb, CAM_REQ_INVALID);
2962 break;
2963 }
2964#ifdef MPT_TEST_MULTIPATH
2965 if (mpt->failure_id == ccb->ccb_h.target_id) {
2966 ccb->ccb_h.status &= ~CAM_SIM_QUEUED;
2967 mpt_set_ccb_status(ccb, CAM_SEL_TIMEOUT);
2968 break;
2969 }
2970#endif
2971 ccb->csio.scsi_status = SCSI_STATUS_OK;
2972 mpt_start(sim, ccb);
2973 return;
2974
2975 case XPT_RESET_BUS:
2976 if (raid_passthru) {
2977 ccb->ccb_h.status &= ~CAM_SIM_QUEUED;
2978 mpt_set_ccb_status(ccb, CAM_REQ_CMP);
2979 break;
2980 }
2981 case XPT_RESET_DEV:
2982 if (ccb->ccb_h.func_code == XPT_RESET_BUS) {
2983 if (bootverbose) {
2984 xpt_print(ccb->ccb_h.path, "reset bus\n");
2985 }
2986 } else {
2987 xpt_print(ccb->ccb_h.path, "reset device\n");
2988 }
2989 CAMLOCK_2_MPTLOCK(mpt);
2990 (void) mpt_bus_reset(mpt, tgt, lun, FALSE);
2991 MPTLOCK_2_CAMLOCK(mpt);
2992
2993 /*
2994 * mpt_bus_reset is always successful in that it
2995 * will fall back to a hard reset should a bus
2996 * reset attempt fail.
2997 */
2998 ccb->ccb_h.status &= ~CAM_SIM_QUEUED;
2999 mpt_set_ccb_status(ccb, CAM_REQ_CMP);
3000 break;
3001
3002 case XPT_ABORT:
3003 {
3004 union ccb *accb = ccb->cab.abort_ccb;
3005 CAMLOCK_2_MPTLOCK(mpt);
3006 switch (accb->ccb_h.func_code) {
3007 case XPT_ACCEPT_TARGET_IO:
3008 case XPT_IMMED_NOTIFY:
3009 ccb->ccb_h.status = mpt_abort_target_ccb(mpt, ccb);
3010 break;
3011 case XPT_CONT_TARGET_IO:
3012 mpt_prt(mpt, "cannot abort active CTIOs yet\n");
3013 ccb->ccb_h.status = CAM_UA_ABORT;
3014 break;
3015 case XPT_SCSI_IO:
3016 ccb->ccb_h.status = CAM_UA_ABORT;
3017 break;
3018 default:
3019 ccb->ccb_h.status = CAM_REQ_INVALID;
3020 break;
3021 }
3022 MPTLOCK_2_CAMLOCK(mpt);
3023 break;
3024 }
3025
3026#ifdef CAM_NEW_TRAN_CODE
3027#define IS_CURRENT_SETTINGS(c) ((c)->type == CTS_TYPE_CURRENT_SETTINGS)
3028#else
3029#define IS_CURRENT_SETTINGS(c) ((c)->flags & CCB_TRANS_CURRENT_SETTINGS)
3030#endif
3031#define DP_DISC_ENABLE 0x1
3032#define DP_DISC_DISABL 0x2
3033#define DP_DISC (DP_DISC_ENABLE|DP_DISC_DISABL)
3034
3035#define DP_TQING_ENABLE 0x4
3036#define DP_TQING_DISABL 0x8
3037#define DP_TQING (DP_TQING_ENABLE|DP_TQING_DISABL)
3038
3039#define DP_WIDE 0x10
3040#define DP_NARROW 0x20
3041#define DP_WIDTH (DP_WIDE|DP_NARROW)
3042
3043#define DP_SYNC 0x40
3044
3045 case XPT_SET_TRAN_SETTINGS: /* Nexus Settings */
3046 {
3047#ifdef CAM_NEW_TRAN_CODE
3048 struct ccb_trans_settings_scsi *scsi;
3049 struct ccb_trans_settings_spi *spi;
3050#endif
3051 uint8_t dval;
3052 u_int period;
3053 u_int offset;
3054 int i, j;
3055
3056 cts = &ccb->cts;
3057
3058 if (mpt->is_fc || mpt->is_sas) {
3059 mpt_set_ccb_status(ccb, CAM_REQ_CMP);
3060 break;
3061 }
3062
3063#ifdef CAM_NEW_TRAN_CODE
3064 scsi = &cts->proto_specific.scsi;
3065 spi = &cts->xport_specific.spi;
3066
3067 /*
3068 * We can be called just to valid transport and proto versions
3069 */
3070 if (scsi->valid == 0 && spi->valid == 0) {
3071 mpt_set_ccb_status(ccb, CAM_REQ_CMP);
3072 break;
3073 }
3074#endif
3075
3076 /*
3077 * Skip attempting settings on RAID volume disks.
3078 * Other devices on the bus get the normal treatment.
3079 */
3080 if (mpt->phydisk_sim && raid_passthru == 0 &&
3081 mpt_is_raid_volume(mpt, tgt) != 0) {
3082 mpt_lprt(mpt, MPT_PRT_NEGOTIATION,
3083 "no transfer settings for RAID vols\n");
3084 mpt_set_ccb_status(ccb, CAM_REQ_CMP);
3085 break;
3086 }
3087
3088 i = mpt->mpt_port_page2.PortSettings &
3089 MPI_SCSIPORTPAGE2_PORT_MASK_NEGO_MASTER_SETTINGS;
3090 j = mpt->mpt_port_page2.PortFlags &
3091 MPI_SCSIPORTPAGE2_PORT_FLAGS_DV_MASK;
3092 if (i == MPI_SCSIPORTPAGE2_PORT_ALL_MASTER_SETTINGS &&
3093 j == MPI_SCSIPORTPAGE2_PORT_FLAGS_OFF_DV) {
3094 mpt_lprt(mpt, MPT_PRT_ALWAYS,
3095 "honoring BIOS transfer negotiations\n");
3096 mpt_set_ccb_status(ccb, CAM_REQ_CMP);
3097 break;
3098 }
3099
3100 dval = 0;
3101 period = 0;
3102 offset = 0;
3103
3104#ifndef CAM_NEW_TRAN_CODE
3105 if ((cts->valid & CCB_TRANS_DISC_VALID) != 0) {
3106 dval |= (cts->flags & CCB_TRANS_DISC_ENB) ?
3107 DP_DISC_ENABLE : DP_DISC_DISABL;
3108 }
3109
3110 if ((cts->valid & CCB_TRANS_TQ_VALID) != 0) {
3111 dval |= (cts->flags & CCB_TRANS_TAG_ENB) ?
3112 DP_TQING_ENABLE : DP_TQING_DISABL;
3113 }
3114
3115 if ((cts->valid & CCB_TRANS_BUS_WIDTH_VALID) != 0) {
3116 dval |= cts->bus_width ? DP_WIDE : DP_NARROW;
3117 }
3118
3119 if ((cts->valid & CCB_TRANS_SYNC_RATE_VALID) &&
3120 (cts->valid & CCB_TRANS_SYNC_OFFSET_VALID)) {
3121 dval |= DP_SYNC;
3122 period = cts->sync_period;
3123 offset = cts->sync_offset;
3124 }
3125#else
3126 if ((spi->valid & CTS_SPI_VALID_DISC) != 0) {
3127 dval |= ((spi->flags & CTS_SPI_FLAGS_DISC_ENB) != 0) ?
3128 DP_DISC_ENABLE : DP_DISC_DISABL;
3129 }
3130
3131 if ((scsi->valid & CTS_SCSI_VALID_TQ) != 0) {
3132 dval |= ((scsi->flags & CTS_SCSI_FLAGS_TAG_ENB) != 0) ?
3133 DP_TQING_ENABLE : DP_TQING_DISABL;
3134 }
3135
3136 if ((spi->valid & CTS_SPI_VALID_BUS_WIDTH) != 0) {
3137 dval |= (spi->bus_width == MSG_EXT_WDTR_BUS_16_BIT) ?
3138 DP_WIDE : DP_NARROW;
3139 }
3140
3141 if (spi->valid & CTS_SPI_VALID_SYNC_OFFSET) {
3142 dval |= DP_SYNC;
3143 offset = spi->sync_offset;
3144 } else {
3145 PTR_CONFIG_PAGE_SCSI_DEVICE_1 ptr =
3146 &mpt->mpt_dev_page1[tgt];
3147 offset = ptr->RequestedParameters;
3148 offset &= MPI_SCSIDEVPAGE1_RP_MAX_SYNC_OFFSET_MASK;
3149 offset >>= MPI_SCSIDEVPAGE1_RP_SHIFT_MAX_SYNC_OFFSET;
3150 }
3151 if (spi->valid & CTS_SPI_VALID_SYNC_RATE) {
3152 dval |= DP_SYNC;
3153 period = spi->sync_period;
3154 } else {
3155 PTR_CONFIG_PAGE_SCSI_DEVICE_1 ptr =
3156 &mpt->mpt_dev_page1[tgt];
3157 period = ptr->RequestedParameters;
3158 period &= MPI_SCSIDEVPAGE1_RP_MIN_SYNC_PERIOD_MASK;
3159 period >>= MPI_SCSIDEVPAGE1_RP_SHIFT_MIN_SYNC_PERIOD;
3160 }
3161#endif
3162 CAMLOCK_2_MPTLOCK(mpt);
3163 if (dval & DP_DISC_ENABLE) {
3164 mpt->mpt_disc_enable |= (1 << tgt);
3165 } else if (dval & DP_DISC_DISABL) {
3166 mpt->mpt_disc_enable &= ~(1 << tgt);
3167 }
3168 if (dval & DP_TQING_ENABLE) {
3169 mpt->mpt_tag_enable |= (1 << tgt);
3170 } else if (dval & DP_TQING_DISABL) {
3171 mpt->mpt_tag_enable &= ~(1 << tgt);
3172 }
3173 if (dval & DP_WIDTH) {
3174 mpt_setwidth(mpt, tgt, 1);
3175 }
3176 if (dval & DP_SYNC) {
3177 mpt_setsync(mpt, tgt, period, offset);
3178 }
3179 if (dval == 0) {
3180 MPTLOCK_2_CAMLOCK(mpt);
3181 mpt_set_ccb_status(ccb, CAM_REQ_CMP);
3182 break;
3183 }
3184 mpt_lprt(mpt, MPT_PRT_NEGOTIATION,
3185 "set [%d]: 0x%x period 0x%x offset %d\n",
3186 tgt, dval, period, offset);
3187 if (mpt_update_spi_config(mpt, tgt)) {
3188 mpt_set_ccb_status(ccb, CAM_REQ_CMP_ERR);
3189 } else {
3190 mpt_set_ccb_status(ccb, CAM_REQ_CMP);
3191 }
3192 MPTLOCK_2_CAMLOCK(mpt);
3193 break;
3194 }
3195 case XPT_GET_TRAN_SETTINGS:
3196 {
3197#ifdef CAM_NEW_TRAN_CODE
3198 struct ccb_trans_settings_scsi *scsi;
3199 cts = &ccb->cts;
3200 cts->protocol = PROTO_SCSI;
3201 if (mpt->is_fc) {
3202 struct ccb_trans_settings_fc *fc =
3203 &cts->xport_specific.fc;
3204 cts->protocol_version = SCSI_REV_SPC;
3205 cts->transport = XPORT_FC;
3206 cts->transport_version = 0;
3207 fc->valid = CTS_FC_VALID_SPEED;
3208 fc->bitrate = 100000;
3209 } else if (mpt->is_sas) {
3210 struct ccb_trans_settings_sas *sas =
3211 &cts->xport_specific.sas;
3212 cts->protocol_version = SCSI_REV_SPC2;
3213 cts->transport = XPORT_SAS;
3214 cts->transport_version = 0;
3215 sas->valid = CTS_SAS_VALID_SPEED;
3216 sas->bitrate = 300000;
3217 } else {
3218 cts->protocol_version = SCSI_REV_2;
3219 cts->transport = XPORT_SPI;
3220 cts->transport_version = 2;
3221 if (mpt_get_spi_settings(mpt, cts) != 0) {
3222 mpt_set_ccb_status(ccb, CAM_REQ_CMP_ERR);
3223 break;
3224 }
3225 }
3226 scsi = &cts->proto_specific.scsi;
3227 scsi->valid = CTS_SCSI_VALID_TQ;
3228 scsi->flags = CTS_SCSI_FLAGS_TAG_ENB;
3229#else
3230 cts = &ccb->cts;
3231 if (mpt->is_fc) {
3232 cts->flags = CCB_TRANS_TAG_ENB | CCB_TRANS_DISC_ENB;
3233 cts->valid = CCB_TRANS_DISC_VALID | CCB_TRANS_TQ_VALID;
3234 cts->bus_width = MSG_EXT_WDTR_BUS_8_BIT;
3235 } else if (mpt->is_sas) {
3236 cts->flags = CCB_TRANS_TAG_ENB | CCB_TRANS_DISC_ENB;
3237 cts->valid = CCB_TRANS_DISC_VALID | CCB_TRANS_TQ_VALID;
3238 cts->bus_width = MSG_EXT_WDTR_BUS_8_BIT;
3239 } else if (mpt_get_spi_settings(mpt, cts) != 0) {
3240 mpt_set_ccb_status(ccb, CAM_REQ_CMP_ERR);
3241 break;
3242 }
3243#endif
3244 mpt_set_ccb_status(ccb, CAM_REQ_CMP);
3245 break;
3246 }
3247 case XPT_CALC_GEOMETRY:
3248 {
3249 struct ccb_calc_geometry *ccg;
3250
3251 ccg = &ccb->ccg;
3252 if (ccg->block_size == 0) {
3253 ccb->ccb_h.status &= ~CAM_SIM_QUEUED;
3254 mpt_set_ccb_status(ccb, CAM_REQ_INVALID);
3255 break;
3256 }
3257 mpt_calc_geometry(ccg, /*extended*/1);
3258 KASSERT(ccb->ccb_h.status, ("zero ccb sts at %d\n", __LINE__));
3259 break;
3260 }
3261 case XPT_PATH_INQ: /* Path routing inquiry */
3262 {
3263 struct ccb_pathinq *cpi = &ccb->cpi;
3264
3265 cpi->version_num = 1;
3266 cpi->target_sprt = 0;
3267 cpi->hba_eng_cnt = 0;
3268 cpi->max_target = mpt->port_facts[0].MaxDevices - 1;
3269 /*
3270 * FC cards report MAX_DEVICES of 512, but
3271 * the MSG_SCSI_IO_REQUEST target id field
3272 * is only 8 bits. Until we fix the driver
3273 * to support 'channels' for bus overflow,
3274 * just limit it.
3275 */
3276 if (cpi->max_target > 255) {
3277 cpi->max_target = 255;
3278 }
3279
3280 /*
3281 * VMware ESX reports > 16 devices and then dies when we probe.
3282 */
3283 if (mpt->is_spi && cpi->max_target > 15) {
3284 cpi->max_target = 15;
3285 }
3286 cpi->max_lun = 7;
3287 cpi->initiator_id = mpt->mpt_ini_id;
3288 cpi->bus_id = cam_sim_bus(sim);
3289
3290 /*
3291 * The base speed is the speed of the underlying connection.
3292 */
3293#ifdef CAM_NEW_TRAN_CODE
3294 cpi->protocol = PROTO_SCSI;
3295 if (mpt->is_fc) {
3296 cpi->hba_misc = PIM_NOBUSRESET;
3297 cpi->base_transfer_speed = 100000;
3298 cpi->hba_inquiry = PI_TAG_ABLE;
3299 cpi->transport = XPORT_FC;
3300 cpi->transport_version = 0;
3301 cpi->protocol_version = SCSI_REV_SPC;
3302 } else if (mpt->is_sas) {
3303 cpi->hba_misc = PIM_NOBUSRESET;
3304 cpi->base_transfer_speed = 300000;
3305 cpi->hba_inquiry = PI_TAG_ABLE;
3306 cpi->transport = XPORT_SAS;
3307 cpi->transport_version = 0;
3308 cpi->protocol_version = SCSI_REV_SPC2;
3309 } else {
3310 cpi->hba_misc = PIM_SEQSCAN;
3311 cpi->base_transfer_speed = 3300;
3312 cpi->hba_inquiry = PI_SDTR_ABLE|PI_TAG_ABLE|PI_WIDE_16;
3313 cpi->transport = XPORT_SPI;
3314 cpi->transport_version = 2;
3315 cpi->protocol_version = SCSI_REV_2;
3316 }
3317#else
3318 if (mpt->is_fc) {
3319 cpi->hba_misc = PIM_NOBUSRESET;
3320 cpi->base_transfer_speed = 100000;
3321 cpi->hba_inquiry = PI_TAG_ABLE;
3322 } else if (mpt->is_sas) {
3323 cpi->hba_misc = PIM_NOBUSRESET;
3324 cpi->base_transfer_speed = 300000;
3325 cpi->hba_inquiry = PI_TAG_ABLE;
3326 } else {
3327 cpi->hba_misc = PIM_SEQSCAN;
3328 cpi->base_transfer_speed = 3300;
3329 cpi->hba_inquiry = PI_SDTR_ABLE|PI_TAG_ABLE|PI_WIDE_16;
3330 }
3331#endif
3332
3333 /*
3334 * We give our fake RAID passhtru bus a width that is MaxVolumes
3335 * wide and restrict it to one lun.
3336 */
3337 if (raid_passthru) {
3338 cpi->max_target = mpt->ioc_page2->MaxPhysDisks - 1;
3339 cpi->initiator_id = cpi->max_target + 1;
3340 cpi->max_lun = 0;
3341 }
3342
3343 if ((mpt->role & MPT_ROLE_INITIATOR) == 0) {
3344 cpi->hba_misc |= PIM_NOINITIATOR;
3345 }
3346 if (mpt->is_fc && (mpt->role & MPT_ROLE_TARGET)) {
3347 cpi->target_sprt =
3348 PIT_PROCESSOR | PIT_DISCONNECT | PIT_TERM_IO;
3349 } else {
3350 cpi->target_sprt = 0;
3351 }
3352 strncpy(cpi->sim_vid, "FreeBSD", SIM_IDLEN);
3353 strncpy(cpi->hba_vid, "LSI", HBA_IDLEN);
3354 strncpy(cpi->dev_name, cam_sim_name(sim), DEV_IDLEN);
3355 cpi->unit_number = cam_sim_unit(sim);
3356 cpi->ccb_h.status = CAM_REQ_CMP;
3357 break;
3358 }
3359 case XPT_EN_LUN: /* Enable LUN as a target */
3360 {
3361 int result;
3362
3363 CAMLOCK_2_MPTLOCK(mpt);
3364 if (ccb->cel.enable)
3365 result = mpt_enable_lun(mpt,
3366 ccb->ccb_h.target_id, ccb->ccb_h.target_lun);
3367 else
3368 result = mpt_disable_lun(mpt,
3369 ccb->ccb_h.target_id, ccb->ccb_h.target_lun);
3370 MPTLOCK_2_CAMLOCK(mpt);
3371 if (result == 0) {
3372 mpt_set_ccb_status(ccb, CAM_REQ_CMP);
3373 } else {
3374 mpt_set_ccb_status(ccb, CAM_REQ_CMP_ERR);
3375 }
3376 break;
3377 }
3378 case XPT_NOTIFY_ACK: /* recycle notify ack */
3379 case XPT_IMMED_NOTIFY: /* Add Immediate Notify Resource */
3380 case XPT_ACCEPT_TARGET_IO: /* Add Accept Target IO Resource */
3381 {
3382 tgt_resource_t *trtp;
3383 lun_id_t lun = ccb->ccb_h.target_lun;
3384 ccb->ccb_h.sim_priv.entries[0].field = 0;
3385 ccb->ccb_h.sim_priv.entries[1].ptr = mpt;
3386 ccb->ccb_h.flags = 0;
3387
3388 if (lun == CAM_LUN_WILDCARD) {
3389 if (ccb->ccb_h.target_id != CAM_TARGET_WILDCARD) {
3390 mpt_set_ccb_status(ccb, CAM_REQ_INVALID);
3391 break;
3392 }
3393 trtp = &mpt->trt_wildcard;
3394 } else if (lun >= MPT_MAX_LUNS) {
3395 mpt_set_ccb_status(ccb, CAM_REQ_INVALID);
3396 break;
3397 } else {
3398 trtp = &mpt->trt[lun];
3399 }
3400 CAMLOCK_2_MPTLOCK(mpt);
3401 if (ccb->ccb_h.func_code == XPT_ACCEPT_TARGET_IO) {
3402 mpt_lprt(mpt, MPT_PRT_DEBUG1,
3403 "Put FREE ATIO %p lun %d\n", ccb, lun);
3404 STAILQ_INSERT_TAIL(&trtp->atios, &ccb->ccb_h,
3405 sim_links.stqe);
3406 } else if (ccb->ccb_h.func_code == XPT_IMMED_NOTIFY) {
3407 mpt_lprt(mpt, MPT_PRT_DEBUG1,
3408 "Put FREE INOT lun %d\n", lun);
3409 STAILQ_INSERT_TAIL(&trtp->inots, &ccb->ccb_h,
3410 sim_links.stqe);
3411 } else {
3412 mpt_lprt(mpt, MPT_PRT_ALWAYS, "Got Notify ACK\n");
3413 }
3414 mpt_set_ccb_status(ccb, CAM_REQ_INPROG);
3415 MPTLOCK_2_CAMLOCK(mpt);
3416 return;
3417 }
3418 case XPT_CONT_TARGET_IO:
3419 CAMLOCK_2_MPTLOCK(mpt);
3420 mpt_target_start_io(mpt, ccb);
3421 MPTLOCK_2_CAMLOCK(mpt);
3422 return;
3423
3424 default:
3425 ccb->ccb_h.status = CAM_REQ_INVALID;
3426 break;
3427 }
3428 xpt_done(ccb);
3429}
3430
3431static int
3432mpt_get_spi_settings(struct mpt_softc *mpt, struct ccb_trans_settings *cts)
3433{
3434#ifdef CAM_NEW_TRAN_CODE
3435 struct ccb_trans_settings_scsi *scsi = &cts->proto_specific.scsi;
3436 struct ccb_trans_settings_spi *spi = &cts->xport_specific.spi;
3437#endif
3438 target_id_t tgt;
3439 uint32_t dval, pval, oval;
3440 int rv;
3441
3442 if (IS_CURRENT_SETTINGS(cts) == 0) {
3443 tgt = cts->ccb_h.target_id;
3444 } else if (xpt_path_sim(cts->ccb_h.path) == mpt->phydisk_sim) {
3445 if (mpt_map_physdisk(mpt, (union ccb *)cts, &tgt)) {
3446 return (-1);
3447 }
3448 } else {
3449 tgt = cts->ccb_h.target_id;
3450 }
3451
3452 /*
3453 * We aren't looking at Port Page 2 BIOS settings here-
3454 * sometimes these have been known to be bogus XXX.
3455 *
3456 * For user settings, we pick the max from port page 0
3457 *
3458 * For current settings we read the current settings out from
3459 * device page 0 for that target.
3460 */
3461 if (IS_CURRENT_SETTINGS(cts)) {
3462 CONFIG_PAGE_SCSI_DEVICE_0 tmp;
3463 dval = 0;
3464
3465 CAMLOCK_2_MPTLOCK(mpt);
3466 tmp = mpt->mpt_dev_page0[tgt];
3467 rv = mpt_read_cur_cfg_page(mpt, tgt, &tmp.Header,
3468 sizeof(tmp), FALSE, 5000);
3469 if (rv) {
3470 MPTLOCK_2_CAMLOCK(mpt);
3471 mpt_prt(mpt, "can't get tgt %d config page 0\n", tgt);
3472 return (rv);
3473 }
3474 MPTLOCK_2_CAMLOCK(mpt);
3475 mpt_lprt(mpt, MPT_PRT_DEBUG,
3476 "mpt_get_spi_settings[%d]: current NP %x Info %x\n", tgt,
3477 tmp.NegotiatedParameters, tmp.Information);
3478 dval |= (tmp.NegotiatedParameters & MPI_SCSIDEVPAGE0_NP_WIDE) ?
3479 DP_WIDE : DP_NARROW;
3480 dval |= (mpt->mpt_disc_enable & (1 << tgt)) ?
3481 DP_DISC_ENABLE : DP_DISC_DISABL;
3482 dval |= (mpt->mpt_tag_enable & (1 << tgt)) ?
3483 DP_TQING_ENABLE : DP_TQING_DISABL;
3484 oval = tmp.NegotiatedParameters;
3485 oval &= MPI_SCSIDEVPAGE0_NP_NEG_SYNC_OFFSET_MASK;
3486 oval >>= MPI_SCSIDEVPAGE0_NP_SHIFT_SYNC_OFFSET;
3487 pval = tmp.NegotiatedParameters;
3488 pval &= MPI_SCSIDEVPAGE0_NP_NEG_SYNC_PERIOD_MASK;
3489 pval >>= MPI_SCSIDEVPAGE0_NP_SHIFT_SYNC_PERIOD;
3490 mpt->mpt_dev_page0[tgt] = tmp;
3491 } else {
3492 dval = DP_WIDE|DP_DISC_ENABLE|DP_TQING_ENABLE|DP_SYNC;
3493 oval = mpt->mpt_port_page0.Capabilities;
3494 oval = MPI_SCSIPORTPAGE0_CAP_GET_MAX_SYNC_OFFSET(oval);
3495 pval = mpt->mpt_port_page0.Capabilities;
3496 pval = MPI_SCSIPORTPAGE0_CAP_GET_MIN_SYNC_PERIOD(pval);
3497 }
3498
3499#ifndef CAM_NEW_TRAN_CODE
3500 cts->flags &= ~(CCB_TRANS_DISC_ENB|CCB_TRANS_TAG_ENB);
3501 cts->valid = 0;
3502 cts->sync_period = pval;
3503 cts->sync_offset = oval;
3504 cts->valid |= CCB_TRANS_SYNC_RATE_VALID;
3505 cts->valid |= CCB_TRANS_SYNC_OFFSET_VALID;
3506 cts->valid |= CCB_TRANS_BUS_WIDTH_VALID;
3507 if (dval & DP_WIDE) {
3508 cts->bus_width = MSG_EXT_WDTR_BUS_16_BIT;
3509 } else {
3510 cts->bus_width = MSG_EXT_WDTR_BUS_8_BIT;
3511 }
3512 if (cts->ccb_h.target_lun != CAM_LUN_WILDCARD) {
3513 cts->valid |= CCB_TRANS_DISC_VALID | CCB_TRANS_TQ_VALID;
3514 if (dval & DP_DISC_ENABLE) {
3515 cts->flags |= CCB_TRANS_DISC_ENB;
3516 }
3517 if (dval & DP_TQING_ENABLE) {
3518 cts->flags |= CCB_TRANS_TAG_ENB;
3519 }
3520 }
3521#else
3522 spi->valid = 0;
3523 scsi->valid = 0;
3524 spi->flags = 0;
3525 scsi->flags = 0;
3526 spi->sync_offset = oval;
3527 spi->sync_period = pval;
3528 spi->valid |= CTS_SPI_VALID_SYNC_OFFSET;
3529 spi->valid |= CTS_SPI_VALID_SYNC_RATE;
3530 spi->valid |= CTS_SPI_VALID_BUS_WIDTH;
3531 if (dval & DP_WIDE) {
3532 spi->bus_width = MSG_EXT_WDTR_BUS_16_BIT;
3533 } else {
3534 spi->bus_width = MSG_EXT_WDTR_BUS_8_BIT;
3535 }
3536 if (cts->ccb_h.target_lun != CAM_LUN_WILDCARD) {
3537 scsi->valid = CTS_SCSI_VALID_TQ;
3538 if (dval & DP_TQING_ENABLE) {
3539 scsi->flags |= CTS_SCSI_FLAGS_TAG_ENB;
3540 }
3541 spi->valid |= CTS_SPI_VALID_DISC;
3542 if (dval & DP_DISC_ENABLE) {
3543 spi->flags |= CTS_SPI_FLAGS_DISC_ENB;
3544 }
3545 }
3546#endif
3547 mpt_lprt(mpt, MPT_PRT_NEGOTIATION,
3548 "mpt_get_spi_settings[%d]: %s flags 0x%x per 0x%x off=%d\n", tgt,
3549 IS_CURRENT_SETTINGS(cts)? "ACTIVE" : "NVRAM ", dval, pval, oval);
3550 return (0);
3551}
3552
3553static void
3554mpt_setwidth(struct mpt_softc *mpt, int tgt, int onoff)
3555{
3556 PTR_CONFIG_PAGE_SCSI_DEVICE_1 ptr;
3557
3558 ptr = &mpt->mpt_dev_page1[tgt];
3559 if (onoff) {
3560 ptr->RequestedParameters |= MPI_SCSIDEVPAGE1_RP_WIDE;
3561 } else {
3562 ptr->RequestedParameters &= ~MPI_SCSIDEVPAGE1_RP_WIDE;
3563 }
3564}
3565
3566static void
3567mpt_setsync(struct mpt_softc *mpt, int tgt, int period, int offset)
3568{
3569 PTR_CONFIG_PAGE_SCSI_DEVICE_1 ptr;
3570
3571 ptr = &mpt->mpt_dev_page1[tgt];
3572 ptr->RequestedParameters &= ~MPI_SCSIDEVPAGE1_RP_MIN_SYNC_PERIOD_MASK;
3573 ptr->RequestedParameters &= ~MPI_SCSIDEVPAGE1_RP_MAX_SYNC_OFFSET_MASK;
3574 ptr->RequestedParameters &= ~MPI_SCSIDEVPAGE1_RP_DT;
3575 ptr->RequestedParameters &= ~MPI_SCSIDEVPAGE1_RP_QAS;
3576 ptr->RequestedParameters &= ~MPI_SCSIDEVPAGE1_RP_IU;
3577 if (period == 0) {
3578 return;
3579 }
3580 ptr->RequestedParameters |=
3581 period << MPI_SCSIDEVPAGE1_RP_SHIFT_MIN_SYNC_PERIOD;
3582 ptr->RequestedParameters |=
3583 offset << MPI_SCSIDEVPAGE1_RP_SHIFT_MAX_SYNC_OFFSET;
3584 if (period < 0xa) {
3585 ptr->RequestedParameters |= MPI_SCSIDEVPAGE1_RP_DT;
3586 }
3587 if (period < 0x9) {
3588 ptr->RequestedParameters |= MPI_SCSIDEVPAGE1_RP_QAS;
3589 ptr->RequestedParameters |= MPI_SCSIDEVPAGE1_RP_IU;
3590 }
3591}
3592
3593static int
3594mpt_update_spi_config(struct mpt_softc *mpt, int tgt)
3595{
3596 CONFIG_PAGE_SCSI_DEVICE_1 tmp;
3597 int rv;
3598
3599 mpt_lprt(mpt, MPT_PRT_NEGOTIATION,
3600 "mpt_update_spi_config[%d].page1: Requested Params 0x%08x\n",
3601 tgt, mpt->mpt_dev_page1[tgt].RequestedParameters);
3602 tmp = mpt->mpt_dev_page1[tgt];
3603 rv = mpt_write_cur_cfg_page(mpt, tgt,
3604 &tmp.Header, sizeof(tmp), FALSE, 5000);
3605 if (rv) {
3606 mpt_prt(mpt, "mpt_update_spi_config: write cur page failed\n");
3607 return (-1);
3608 }
3609 return (0);
3610}
3611
3612static void
3613mpt_calc_geometry(struct ccb_calc_geometry *ccg, int extended)
3614{
3615#if __FreeBSD_version >= 500000
3616 cam_calc_geometry(ccg, extended);
3617#else
3618 uint32_t size_mb;
3619 uint32_t secs_per_cylinder;
3620
3621 if (ccg->block_size == 0) {
3622 ccg->ccb_h.status = CAM_REQ_INVALID;
3623 return;
3624 }
3625 size_mb = ccg->volume_size / ((1024L * 1024L) / ccg->block_size);
3626 if (size_mb > 1024 && extended) {
3627 ccg->heads = 255;
3628 ccg->secs_per_track = 63;
3629 } else {
3630 ccg->heads = 64;
3631 ccg->secs_per_track = 32;
3632 }
3633 secs_per_cylinder = ccg->heads * ccg->secs_per_track;
3634 ccg->cylinders = ccg->volume_size / secs_per_cylinder;
3635 ccg->ccb_h.status = CAM_REQ_CMP;
3636#endif
3637}
3638
3639/****************************** Timeout Recovery ******************************/
3640static int
3641mpt_spawn_recovery_thread(struct mpt_softc *mpt)
3642{
3643 int error;
3644
3645 error = mpt_kthread_create(mpt_recovery_thread, mpt,
3646 &mpt->recovery_thread, /*flags*/0,
3647 /*altstack*/0, "mpt_recovery%d", mpt->unit);
3648 return (error);
3649}
3650
3651static void
3652mpt_terminate_recovery_thread(struct mpt_softc *mpt)
3653{
3654 if (mpt->recovery_thread == NULL) {
3655 return;
3656 }
3657 mpt->shutdwn_recovery = 1;
3658 wakeup(mpt);
3659 /*
3660 * Sleep on a slightly different location
3661 * for this interlock just for added safety.
3662 */
3663 mpt_sleep(mpt, &mpt->recovery_thread, PUSER, "thtrm", 0);
3664}
3665
3666static void
3667mpt_recovery_thread(void *arg)
3668{
3669 struct mpt_softc *mpt;
3670
3655#if __FreeBSD_version >= 500000
3656 mtx_lock(&Giant);
3657#endif
3658 mpt = (struct mpt_softc *)arg;
3659 MPT_LOCK(mpt);
3660 for (;;) {
3661 if (TAILQ_EMPTY(&mpt->request_timeout_list) != 0) {
3662 if (mpt->shutdwn_recovery == 0) {
3663 mpt_sleep(mpt, mpt, PUSER, "idle", 0);
3664 }
3665 }
3666 if (mpt->shutdwn_recovery != 0) {
3667 break;
3668 }
3669 mpt_recover_commands(mpt);
3670 }
3671 mpt->recovery_thread = NULL;
3672 wakeup(&mpt->recovery_thread);
3673 MPT_UNLOCK(mpt);
3671 mpt = (struct mpt_softc *)arg;
3672 MPT_LOCK(mpt);
3673 for (;;) {
3674 if (TAILQ_EMPTY(&mpt->request_timeout_list) != 0) {
3675 if (mpt->shutdwn_recovery == 0) {
3676 mpt_sleep(mpt, mpt, PUSER, "idle", 0);
3677 }
3678 }
3679 if (mpt->shutdwn_recovery != 0) {
3680 break;
3681 }
3682 mpt_recover_commands(mpt);
3683 }
3684 mpt->recovery_thread = NULL;
3685 wakeup(&mpt->recovery_thread);
3686 MPT_UNLOCK(mpt);
3674#if __FreeBSD_version >= 500000
3675 mtx_unlock(&Giant);
3676#endif
3677 kthread_exit(0);
3678}
3679
3680static int
3681mpt_scsi_send_tmf(struct mpt_softc *mpt, u_int type, u_int flags,
3682 u_int channel, u_int target, u_int lun, u_int abort_ctx, int sleep_ok)
3683{
3684 MSG_SCSI_TASK_MGMT *tmf_req;
3685 int error;
3686
3687 /*
3688 * Wait for any current TMF request to complete.
3689 * We're only allowed to issue one TMF at a time.
3690 */
3691 error = mpt_wait_req(mpt, mpt->tmf_req, REQ_STATE_FREE, REQ_STATE_FREE,
3692 sleep_ok, MPT_TMF_MAX_TIMEOUT);
3693 if (error != 0) {
3694 mpt_reset(mpt, TRUE);
3695 return (ETIMEDOUT);
3696 }
3697
3698 mpt_assign_serno(mpt, mpt->tmf_req);
3699 mpt->tmf_req->state = REQ_STATE_ALLOCATED|REQ_STATE_QUEUED;
3700
3701 tmf_req = (MSG_SCSI_TASK_MGMT *)mpt->tmf_req->req_vbuf;
3702 memset(tmf_req, 0, sizeof(*tmf_req));
3703 tmf_req->TargetID = target;
3704 tmf_req->Bus = channel;
3705 tmf_req->ChainOffset = 0;
3706 tmf_req->Function = MPI_FUNCTION_SCSI_TASK_MGMT;
3707 tmf_req->Reserved = 0;
3708 tmf_req->TaskType = type;
3709 tmf_req->Reserved1 = 0;
3710 tmf_req->MsgFlags = flags;
3711 tmf_req->MsgContext =
3712 htole32(mpt->tmf_req->index | scsi_tmf_handler_id);
3713 memset(&tmf_req->LUN, 0,
3714 sizeof(tmf_req->LUN) + sizeof(tmf_req->Reserved2));
3715 if (lun > 256) {
3716 tmf_req->LUN[0] = 0x40 | ((lun >> 8) & 0x3f);
3717 tmf_req->LUN[1] = lun & 0xff;
3718 } else {
3719 tmf_req->LUN[1] = lun;
3720 }
3721 tmf_req->TaskMsgContext = abort_ctx;
3722
3723 mpt_lprt(mpt, MPT_PRT_DEBUG,
3724 "Issuing TMF %p:%u with MsgContext of 0x%x\n", mpt->tmf_req,
3725 mpt->tmf_req->serno, tmf_req->MsgContext);
3726 if (mpt->verbose > MPT_PRT_DEBUG) {
3727 mpt_print_request(tmf_req);
3728 }
3729
3730 KASSERT(mpt_req_on_pending_list(mpt, mpt->tmf_req) == 0,
3731 ("mpt_scsi_send_tmf: tmf_req already on pending list"));
3732 TAILQ_INSERT_HEAD(&mpt->request_pending_list, mpt->tmf_req, links);
3733 error = mpt_send_handshake_cmd(mpt, sizeof(*tmf_req), tmf_req);
3734 if (error != MPT_OK) {
3735 TAILQ_REMOVE(&mpt->request_pending_list, mpt->tmf_req, links);
3736 mpt->tmf_req->state = REQ_STATE_FREE;
3737 mpt_reset(mpt, TRUE);
3738 }
3739 return (error);
3740}
3741
3742/*
3743 * When a command times out, it is placed on the requeust_timeout_list
3744 * and we wake our recovery thread. The MPT-Fusion architecture supports
3745 * only a single TMF operation at a time, so we serially abort/bdr, etc,
3746 * the timedout transactions. The next TMF is issued either by the
3747 * completion handler of the current TMF waking our recovery thread,
3748 * or the TMF timeout handler causing a hard reset sequence.
3749 */
3750static void
3751mpt_recover_commands(struct mpt_softc *mpt)
3752{
3753 request_t *req;
3754 union ccb *ccb;
3755 int error;
3756
3757 if (TAILQ_EMPTY(&mpt->request_timeout_list) != 0) {
3758 /*
3759 * No work to do- leave.
3760 */
3761 mpt_prt(mpt, "mpt_recover_commands: no requests.\n");
3762 return;
3763 }
3764
3765 /*
3766 * Flush any commands whose completion coincides with their timeout.
3767 */
3768 mpt_intr(mpt);
3769
3770 if (TAILQ_EMPTY(&mpt->request_timeout_list) != 0) {
3771 /*
3772 * The timedout commands have already
3773 * completed. This typically means
3774 * that either the timeout value was on
3775 * the hairy edge of what the device
3776 * requires or - more likely - interrupts
3777 * are not happening.
3778 */
3779 mpt_prt(mpt, "Timedout requests already complete. "
3780 "Interrupts may not be functioning.\n");
3781 mpt_enable_ints(mpt);
3782 return;
3783 }
3784
3785 /*
3786 * We have no visibility into the current state of the
3787 * controller, so attempt to abort the commands in the
3788 * order they timed-out. For initiator commands, we
3789 * depend on the reply handler pulling requests off
3790 * the timeout list.
3791 */
3792 while ((req = TAILQ_FIRST(&mpt->request_timeout_list)) != NULL) {
3793 uint16_t status;
3794 uint8_t response;
3795 MSG_REQUEST_HEADER *hdrp = req->req_vbuf;
3796
3797 mpt_prt(mpt, "attempting to abort req %p:%u function %x\n",
3798 req, req->serno, hdrp->Function);
3799 ccb = req->ccb;
3800 if (ccb == NULL) {
3801 mpt_prt(mpt, "null ccb in timed out request. "
3802 "Resetting Controller.\n");
3803 mpt_reset(mpt, TRUE);
3804 continue;
3805 }
3806 mpt_set_ccb_status(ccb, CAM_CMD_TIMEOUT);
3807
3808 /*
3809 * Check to see if this is not an initiator command and
3810 * deal with it differently if it is.
3811 */
3812 switch (hdrp->Function) {
3813 case MPI_FUNCTION_SCSI_IO_REQUEST:
3814 case MPI_FUNCTION_RAID_SCSI_IO_PASSTHROUGH:
3815 break;
3816 default:
3817 /*
3818 * XXX: FIX ME: need to abort target assists...
3819 */
3820 mpt_prt(mpt, "just putting it back on the pend q\n");
3821 TAILQ_REMOVE(&mpt->request_timeout_list, req, links);
3822 TAILQ_INSERT_HEAD(&mpt->request_pending_list, req,
3823 links);
3824 continue;
3825 }
3826
3827 error = mpt_scsi_send_tmf(mpt,
3828 MPI_SCSITASKMGMT_TASKTYPE_ABORT_TASK,
3829 0, 0, ccb->ccb_h.target_id, ccb->ccb_h.target_lun,
3830 htole32(req->index | scsi_io_handler_id), TRUE);
3831
3832 if (error != 0) {
3833 /*
3834 * mpt_scsi_send_tmf hard resets on failure, so no
3835 * need to do so here. Our queue should be emptied
3836 * by the hard reset.
3837 */
3838 continue;
3839 }
3840
3841 error = mpt_wait_req(mpt, mpt->tmf_req, REQ_STATE_DONE,
3842 REQ_STATE_DONE, TRUE, 500);
3843
3844 status = mpt->tmf_req->IOCStatus;
3845 response = mpt->tmf_req->ResponseCode;
3846 mpt->tmf_req->state = REQ_STATE_FREE;
3847
3848 if (error != 0) {
3849 /*
3850 * If we've errored out,, reset the controller.
3851 */
3852 mpt_prt(mpt, "mpt_recover_commands: abort timed-out. "
3853 "Resetting controller\n");
3854 mpt_reset(mpt, TRUE);
3855 continue;
3856 }
3857
3858 if ((status & MPI_IOCSTATUS_MASK) != MPI_IOCSTATUS_SUCCESS) {
3859 mpt_prt(mpt, "mpt_recover_commands: IOC Status 0x%x. "
3860 "Resetting controller.\n", status);
3861 mpt_reset(mpt, TRUE);
3862 continue;
3863 }
3864
3865 if (response != MPI_SCSITASKMGMT_RSP_TM_SUCCEEDED &&
3866 response != MPI_SCSITASKMGMT_RSP_TM_COMPLETE) {
3867 mpt_prt(mpt, "mpt_recover_commands: TMF Response 0x%x. "
3868 "Resetting controller.\n", response);
3869 mpt_reset(mpt, TRUE);
3870 continue;
3871 }
3872 mpt_prt(mpt, "abort of req %p:%u completed\n", req, req->serno);
3873 }
3874}
3875
3876/************************ Target Mode Support ****************************/
3877static void
3878mpt_fc_post_els(struct mpt_softc *mpt, request_t *req, int ioindex)
3879{
3880 MSG_LINK_SERVICE_BUFFER_POST_REQUEST *fc;
3881 PTR_SGE_TRANSACTION32 tep;
3882 PTR_SGE_SIMPLE32 se;
3883 bus_addr_t paddr;
3884 uint32_t fl;
3885
3886 paddr = req->req_pbuf;
3887 paddr += MPT_RQSL(mpt);
3888
3889 fc = req->req_vbuf;
3890 memset(fc, 0, MPT_REQUEST_AREA);
3891 fc->BufferCount = 1;
3892 fc->Function = MPI_FUNCTION_FC_LINK_SRVC_BUF_POST;
3893 fc->MsgContext = htole32(req->index | fc_els_handler_id);
3894
3895 /*
3896 * Okay, set up ELS buffer pointers. ELS buffer pointers
3897 * consist of a TE SGL element (with details length of zero)
3898 * followe by a SIMPLE SGL element which holds the address
3899 * of the buffer.
3900 */
3901
3902 tep = (PTR_SGE_TRANSACTION32) &fc->SGL;
3903
3904 tep->ContextSize = 4;
3905 tep->Flags = 0;
3906 tep->TransactionContext[0] = htole32(ioindex);
3907
3908 se = (PTR_SGE_SIMPLE32) &tep->TransactionDetails[0];
3909 fl =
3910 MPI_SGE_FLAGS_HOST_TO_IOC |
3911 MPI_SGE_FLAGS_SIMPLE_ELEMENT |
3912 MPI_SGE_FLAGS_LAST_ELEMENT |
3913 MPI_SGE_FLAGS_END_OF_LIST |
3914 MPI_SGE_FLAGS_END_OF_BUFFER;
3915 fl <<= MPI_SGE_FLAGS_SHIFT;
3916 fl |= (MPT_NRFM(mpt) - MPT_RQSL(mpt));
3917 se->FlagsLength = htole32(fl);
3918 se->Address = htole32((uint32_t) paddr);
3919 mpt_lprt(mpt, MPT_PRT_DEBUG,
3920 "add ELS index %d ioindex %d for %p:%u\n",
3921 req->index, ioindex, req, req->serno);
3922 KASSERT(((req->state & REQ_STATE_LOCKED) != 0),
3923 ("mpt_fc_post_els: request not locked"));
3924 mpt_send_cmd(mpt, req);
3925}
3926
3927static void
3928mpt_post_target_command(struct mpt_softc *mpt, request_t *req, int ioindex)
3929{
3930 PTR_MSG_TARGET_CMD_BUFFER_POST_REQUEST fc;
3931 PTR_CMD_BUFFER_DESCRIPTOR cb;
3932 bus_addr_t paddr;
3933
3934 paddr = req->req_pbuf;
3935 paddr += MPT_RQSL(mpt);
3936 memset(req->req_vbuf, 0, MPT_REQUEST_AREA);
3937 MPT_TGT_STATE(mpt, req)->state = TGT_STATE_LOADING;
3938
3939 fc = req->req_vbuf;
3940 fc->BufferCount = 1;
3941 fc->Function = MPI_FUNCTION_TARGET_CMD_BUFFER_POST;
3942 fc->MsgContext = htole32(req->index | mpt->scsi_tgt_handler_id);
3943
3944 cb = &fc->Buffer[0];
3945 cb->IoIndex = htole16(ioindex);
3946 cb->u.PhysicalAddress32 = htole32((U32) paddr);
3947
3948 mpt_check_doorbell(mpt);
3949 mpt_send_cmd(mpt, req);
3950}
3951
3952static int
3953mpt_add_els_buffers(struct mpt_softc *mpt)
3954{
3955 int i;
3956
3957 if (mpt->is_fc == 0) {
3958 return (TRUE);
3959 }
3960
3961 if (mpt->els_cmds_allocated) {
3962 return (TRUE);
3963 }
3964
3965 mpt->els_cmd_ptrs = malloc(MPT_MAX_ELS * sizeof (request_t *),
3966 M_DEVBUF, M_NOWAIT | M_ZERO);
3967
3968 if (mpt->els_cmd_ptrs == NULL) {
3969 return (FALSE);
3970 }
3971
3972 /*
3973 * Feed the chip some ELS buffer resources
3974 */
3975 for (i = 0; i < MPT_MAX_ELS; i++) {
3976 request_t *req = mpt_get_request(mpt, FALSE);
3977 if (req == NULL) {
3978 break;
3979 }
3980 req->state |= REQ_STATE_LOCKED;
3981 mpt->els_cmd_ptrs[i] = req;
3982 mpt_fc_post_els(mpt, req, i);
3983 }
3984
3985 if (i == 0) {
3986 mpt_prt(mpt, "unable to add ELS buffer resources\n");
3987 free(mpt->els_cmd_ptrs, M_DEVBUF);
3988 mpt->els_cmd_ptrs = NULL;
3989 return (FALSE);
3990 }
3991 if (i != MPT_MAX_ELS) {
3992 mpt_lprt(mpt, MPT_PRT_INFO,
3993 "only added %d of %d ELS buffers\n", i, MPT_MAX_ELS);
3994 }
3995 mpt->els_cmds_allocated = i;
3996 return(TRUE);
3997}
3998
3999static int
4000mpt_add_target_commands(struct mpt_softc *mpt)
4001{
4002 int i, max;
4003
4004 if (mpt->tgt_cmd_ptrs) {
4005 return (TRUE);
4006 }
4007
4008 max = MPT_MAX_REQUESTS(mpt) >> 1;
4009 if (max > mpt->mpt_max_tgtcmds) {
4010 max = mpt->mpt_max_tgtcmds;
4011 }
4012 mpt->tgt_cmd_ptrs =
4013 malloc(max * sizeof (request_t *), M_DEVBUF, M_NOWAIT | M_ZERO);
4014 if (mpt->tgt_cmd_ptrs == NULL) {
4015 mpt_prt(mpt,
4016 "mpt_add_target_commands: could not allocate cmd ptrs\n");
4017 return (FALSE);
4018 }
4019
4020 for (i = 0; i < max; i++) {
4021 request_t *req;
4022
4023 req = mpt_get_request(mpt, FALSE);
4024 if (req == NULL) {
4025 break;
4026 }
4027 req->state |= REQ_STATE_LOCKED;
4028 mpt->tgt_cmd_ptrs[i] = req;
4029 mpt_post_target_command(mpt, req, i);
4030 }
4031
4032
4033 if (i == 0) {
4034 mpt_lprt(mpt, MPT_PRT_ERROR, "could not add any target bufs\n");
4035 free(mpt->tgt_cmd_ptrs, M_DEVBUF);
4036 mpt->tgt_cmd_ptrs = NULL;
4037 return (FALSE);
4038 }
4039
4040 mpt->tgt_cmds_allocated = i;
4041
4042 if (i < max) {
4043 mpt_lprt(mpt, MPT_PRT_INFO,
4044 "added %d of %d target bufs\n", i, max);
4045 }
4046 return (i);
4047}
4048
4049static int
4050mpt_enable_lun(struct mpt_softc *mpt, target_id_t tgt, lun_id_t lun)
4051{
4052 if (tgt == CAM_TARGET_WILDCARD && lun == CAM_LUN_WILDCARD) {
4053 mpt->twildcard = 1;
4054 } else if (lun >= MPT_MAX_LUNS) {
4055 return (EINVAL);
4056 } else if (tgt != CAM_TARGET_WILDCARD && tgt != 0) {
4057 return (EINVAL);
4058 }
4059 if (mpt->tenabled == 0) {
4060 if (mpt->is_fc) {
4061 (void) mpt_fc_reset_link(mpt, 0);
4062 }
4063 mpt->tenabled = 1;
4064 }
4065 if (lun == CAM_LUN_WILDCARD) {
4066 mpt->trt_wildcard.enabled = 1;
4067 } else {
4068 mpt->trt[lun].enabled = 1;
4069 }
4070 return (0);
4071}
4072
4073static int
4074mpt_disable_lun(struct mpt_softc *mpt, target_id_t tgt, lun_id_t lun)
4075{
4076 int i;
4077 if (tgt == CAM_TARGET_WILDCARD && lun == CAM_LUN_WILDCARD) {
4078 mpt->twildcard = 0;
4079 } else if (lun >= MPT_MAX_LUNS) {
4080 return (EINVAL);
4081 } else if (tgt != CAM_TARGET_WILDCARD && tgt != 0) {
4082 return (EINVAL);
4083 }
4084 if (lun == CAM_LUN_WILDCARD) {
4085 mpt->trt_wildcard.enabled = 0;
4086 } else {
4087 mpt->trt[lun].enabled = 0;
4088 }
4089 for (i = 0; i < MPT_MAX_LUNS; i++) {
4090 if (mpt->trt[lun].enabled) {
4091 break;
4092 }
4093 }
4094 if (i == MPT_MAX_LUNS && mpt->twildcard == 0) {
4095 if (mpt->is_fc) {
4096 (void) mpt_fc_reset_link(mpt, 0);
4097 }
4098 mpt->tenabled = 0;
4099 }
4100 return (0);
4101}
4102
4103/*
4104 * Called with MPT lock held
4105 */
4106static void
4107mpt_target_start_io(struct mpt_softc *mpt, union ccb *ccb)
4108{
4109 struct ccb_scsiio *csio = &ccb->csio;
4110 request_t *cmd_req = MPT_TAG_2_REQ(mpt, csio->tag_id);
4111 mpt_tgt_state_t *tgt = MPT_TGT_STATE(mpt, cmd_req);
4112
4113 switch (tgt->state) {
4114 case TGT_STATE_IN_CAM:
4115 break;
4116 case TGT_STATE_MOVING_DATA:
4117 mpt_set_ccb_status(ccb, CAM_REQUEUE_REQ);
4118 xpt_freeze_simq(mpt->sim, 1);
4119 ccb->ccb_h.status &= ~CAM_SIM_QUEUED;
4120 tgt->ccb->ccb_h.status |= CAM_RELEASE_SIMQ;
4121 MPTLOCK_2_CAMLOCK(mpt);
4122 xpt_done(ccb);
4123 CAMLOCK_2_MPTLOCK(mpt);
4124 return;
4125 default:
4126 mpt_prt(mpt, "ccb %p flags 0x%x tag 0x%08x had bad request "
4127 "starting I/O\n", ccb, csio->ccb_h.flags, csio->tag_id);
4128 mpt_tgt_dump_req_state(mpt, cmd_req);
4129 mpt_set_ccb_status(ccb, CAM_REQ_CMP_ERR);
4130 MPTLOCK_2_CAMLOCK(mpt);
4131 xpt_done(ccb);
4132 CAMLOCK_2_MPTLOCK(mpt);
4133 return;
4134 }
4135
4136 if (csio->dxfer_len) {
4137 bus_dmamap_callback_t *cb;
4138 PTR_MSG_TARGET_ASSIST_REQUEST ta;
4139 request_t *req;
4140
4141 KASSERT((ccb->ccb_h.flags & CAM_DIR_MASK) != CAM_DIR_NONE,
4142 ("dxfer_len %u but direction is NONE\n", csio->dxfer_len));
4143
4144 if ((req = mpt_get_request(mpt, FALSE)) == NULL) {
4145 if (mpt->outofbeer == 0) {
4146 mpt->outofbeer = 1;
4147 xpt_freeze_simq(mpt->sim, 1);
4148 mpt_lprt(mpt, MPT_PRT_DEBUG, "FREEZEQ\n");
4149 }
4150 ccb->ccb_h.status &= ~CAM_SIM_QUEUED;
4151 mpt_set_ccb_status(ccb, CAM_REQUEUE_REQ);
4152 MPTLOCK_2_CAMLOCK(mpt);
4153 xpt_done(ccb);
4154 CAMLOCK_2_MPTLOCK(mpt);
4155 return;
4156 }
4157 ccb->ccb_h.status = CAM_SIM_QUEUED | CAM_REQ_INPROG;
4158 if (sizeof (bus_addr_t) > 4) {
4159 cb = mpt_execute_req_a64;
4160 } else {
4161 cb = mpt_execute_req;
4162 }
4163
4164 req->ccb = ccb;
4165 ccb->ccb_h.ccb_req_ptr = req;
4166
4167 /*
4168 * Record the currently active ccb and the
4169 * request for it in our target state area.
4170 */
4171 tgt->ccb = ccb;
4172 tgt->req = req;
4173
4174 memset(req->req_vbuf, 0, MPT_RQSL(mpt));
4175 ta = req->req_vbuf;
4176
4177 if (mpt->is_sas) {
4178 PTR_MPI_TARGET_SSP_CMD_BUFFER ssp =
4179 cmd_req->req_vbuf;
4180 ta->QueueTag = ssp->InitiatorTag;
4181 } else if (mpt->is_spi) {
4182 PTR_MPI_TARGET_SCSI_SPI_CMD_BUFFER sp =
4183 cmd_req->req_vbuf;
4184 ta->QueueTag = sp->Tag;
4185 }
4186 ta->Function = MPI_FUNCTION_TARGET_ASSIST;
4187 ta->MsgContext = htole32(req->index | mpt->scsi_tgt_handler_id);
4188 ta->ReplyWord = htole32(tgt->reply_desc);
4189 if (csio->ccb_h.target_lun > 256) {
4190 ta->LUN[0] =
4191 0x40 | ((csio->ccb_h.target_lun >> 8) & 0x3f);
4192 ta->LUN[1] = csio->ccb_h.target_lun & 0xff;
4193 } else {
4194 ta->LUN[1] = csio->ccb_h.target_lun;
4195 }
4196
4197 ta->RelativeOffset = tgt->bytes_xfered;
4198 ta->DataLength = ccb->csio.dxfer_len;
4199 if (ta->DataLength > tgt->resid) {
4200 ta->DataLength = tgt->resid;
4201 }
4202
4203 /*
4204 * XXX Should be done after data transfer completes?
4205 */
4206 tgt->resid -= csio->dxfer_len;
4207 tgt->bytes_xfered += csio->dxfer_len;
4208
4209 if ((ccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN) {
4210 ta->TargetAssistFlags |=
4211 TARGET_ASSIST_FLAGS_DATA_DIRECTION;
4212 }
4213
4214#ifdef WE_TRUST_AUTO_GOOD_STATUS
4215 if ((ccb->ccb_h.flags & CAM_SEND_STATUS) &&
4216 csio->scsi_status == SCSI_STATUS_OK && tgt->resid == 0) {
4217 ta->TargetAssistFlags |=
4218 TARGET_ASSIST_FLAGS_AUTO_STATUS;
4219 }
4220#endif
4221 tgt->state = TGT_STATE_SETTING_UP_FOR_DATA;
4222
4223 mpt_lprt(mpt, MPT_PRT_DEBUG,
4224 "DATA_CCB %p tag %x %u bytes %u resid flg %x req %p:%u "
4225 "nxtstate=%d\n", csio, csio->tag_id, csio->dxfer_len,
4226 tgt->resid, ccb->ccb_h.flags, req, req->serno, tgt->state);
4227
4228 MPTLOCK_2_CAMLOCK(mpt);
4229 if ((ccb->ccb_h.flags & CAM_SCATTER_VALID) == 0) {
4230 if ((ccb->ccb_h.flags & CAM_DATA_PHYS) == 0) {
4231 int error;
4232 int s = splsoftvm();
4233 error = bus_dmamap_load(mpt->buffer_dmat,
4234 req->dmap, csio->data_ptr, csio->dxfer_len,
4235 cb, req, 0);
4236 splx(s);
4237 if (error == EINPROGRESS) {
4238 xpt_freeze_simq(mpt->sim, 1);
4239 ccb->ccb_h.status |= CAM_RELEASE_SIMQ;
4240 }
4241 } else {
4242 /*
4243 * We have been given a pointer to single
4244 * physical buffer.
4245 */
4246 struct bus_dma_segment seg;
4247 seg.ds_addr = (bus_addr_t)
4248 (vm_offset_t)csio->data_ptr;
4249 seg.ds_len = csio->dxfer_len;
4250 (*cb)(req, &seg, 1, 0);
4251 }
4252 } else {
4253 /*
4254 * We have been given a list of addresses.
4255 * This case could be easily supported but they are not
4256 * currently generated by the CAM subsystem so there
4257 * is no point in wasting the time right now.
4258 */
4259 struct bus_dma_segment *sgs;
4260 if ((ccb->ccb_h.flags & CAM_SG_LIST_PHYS) == 0) {
4261 (*cb)(req, NULL, 0, EFAULT);
4262 } else {
4263 /* Just use the segments provided */
4264 sgs = (struct bus_dma_segment *)csio->data_ptr;
4265 (*cb)(req, sgs, csio->sglist_cnt, 0);
4266 }
4267 }
4268 CAMLOCK_2_MPTLOCK(mpt);
4269 } else {
4270 uint8_t *sp = NULL, sense[MPT_SENSE_SIZE];
4271
4272 /*
4273 * XXX: I don't know why this seems to happen, but
4274 * XXX: completing the CCB seems to make things happy.
4275 * XXX: This seems to happen if the initiator requests
4276 * XXX: enough data that we have to do multiple CTIOs.
4277 */
4278 if ((ccb->ccb_h.flags & CAM_SEND_STATUS) == 0) {
4279 mpt_lprt(mpt, MPT_PRT_DEBUG,
4280 "Meaningless STATUS CCB (%p): flags %x status %x "
4281 "resid %d bytes_xfered %u\n", ccb, ccb->ccb_h.flags,
4282 ccb->ccb_h.status, tgt->resid, tgt->bytes_xfered);
4283 mpt_set_ccb_status(ccb, CAM_REQ_CMP);
4284 ccb->ccb_h.status &= ~CAM_SIM_QUEUED;
4285 MPTLOCK_2_CAMLOCK(mpt);
4286 xpt_done(ccb);
4287 CAMLOCK_2_MPTLOCK(mpt);
4288 return;
4289 }
4290 if (ccb->ccb_h.flags & CAM_SEND_SENSE) {
4291 sp = sense;
4292 memcpy(sp, &csio->sense_data,
4293 min(csio->sense_len, MPT_SENSE_SIZE));
4294 }
4295 mpt_scsi_tgt_status(mpt, ccb, cmd_req, csio->scsi_status, sp);
4296 }
4297}
4298
4299static void
4300mpt_scsi_tgt_local(struct mpt_softc *mpt, request_t *cmd_req,
4301 uint32_t lun, int send, uint8_t *data, size_t length)
4302{
4303 mpt_tgt_state_t *tgt;
4304 PTR_MSG_TARGET_ASSIST_REQUEST ta;
4305 SGE_SIMPLE32 *se;
4306 uint32_t flags;
4307 uint8_t *dptr;
4308 bus_addr_t pptr;
4309 request_t *req;
4310
4311 /*
4312 * We enter with resid set to the data load for the command.
4313 */
4314 tgt = MPT_TGT_STATE(mpt, cmd_req);
4315 if (length == 0 || tgt->resid == 0) {
4316 tgt->resid = 0;
4317 mpt_scsi_tgt_status(mpt, NULL, cmd_req, 0, NULL);
4318 return;
4319 }
4320
4321 if ((req = mpt_get_request(mpt, FALSE)) == NULL) {
4322 mpt_prt(mpt, "out of resources- dropping local response\n");
4323 return;
4324 }
4325 tgt->is_local = 1;
4326
4327
4328 memset(req->req_vbuf, 0, MPT_RQSL(mpt));
4329 ta = req->req_vbuf;
4330
4331 if (mpt->is_sas) {
4332 PTR_MPI_TARGET_SSP_CMD_BUFFER ssp = cmd_req->req_vbuf;
4333 ta->QueueTag = ssp->InitiatorTag;
4334 } else if (mpt->is_spi) {
4335 PTR_MPI_TARGET_SCSI_SPI_CMD_BUFFER sp = cmd_req->req_vbuf;
4336 ta->QueueTag = sp->Tag;
4337 }
4338 ta->Function = MPI_FUNCTION_TARGET_ASSIST;
4339 ta->MsgContext = htole32(req->index | mpt->scsi_tgt_handler_id);
4340 ta->ReplyWord = htole32(tgt->reply_desc);
4341 if (lun > 256) {
4342 ta->LUN[0] = 0x40 | ((lun >> 8) & 0x3f);
4343 ta->LUN[1] = lun & 0xff;
4344 } else {
4345 ta->LUN[1] = lun;
4346 }
4347 ta->RelativeOffset = 0;
4348 ta->DataLength = length;
4349
4350 dptr = req->req_vbuf;
4351 dptr += MPT_RQSL(mpt);
4352 pptr = req->req_pbuf;
4353 pptr += MPT_RQSL(mpt);
4354 memcpy(dptr, data, min(length, MPT_RQSL(mpt)));
4355
4356 se = (SGE_SIMPLE32 *) &ta->SGL[0];
4357 memset(se, 0,sizeof (*se));
4358
4359 flags = MPI_SGE_FLAGS_SIMPLE_ELEMENT;
4360 if (send) {
4361 ta->TargetAssistFlags |= TARGET_ASSIST_FLAGS_DATA_DIRECTION;
4362 flags |= MPI_SGE_FLAGS_HOST_TO_IOC;
4363 }
4364 se->Address = pptr;
4365 MPI_pSGE_SET_LENGTH(se, length);
4366 flags |= MPI_SGE_FLAGS_LAST_ELEMENT;
4367 flags |= MPI_SGE_FLAGS_END_OF_LIST | MPI_SGE_FLAGS_END_OF_BUFFER;
4368 MPI_pSGE_SET_FLAGS(se, flags);
4369
4370 tgt->ccb = NULL;
4371 tgt->req = req;
4372 tgt->resid -= length;
4373 tgt->bytes_xfered = length;
4374#ifdef WE_TRUST_AUTO_GOOD_STATUS
4375 tgt->state = TGT_STATE_MOVING_DATA_AND_STATUS;
4376#else
4377 tgt->state = TGT_STATE_MOVING_DATA;
4378#endif
4379 mpt_send_cmd(mpt, req);
4380}
4381
4382/*
4383 * Abort queued up CCBs
4384 */
4385static cam_status
4386mpt_abort_target_ccb(struct mpt_softc *mpt, union ccb *ccb)
4387{
4388 struct mpt_hdr_stailq *lp;
4389 struct ccb_hdr *srch;
4390 int found = 0;
4391 union ccb *accb = ccb->cab.abort_ccb;
4392 tgt_resource_t *trtp;
4393
4394 mpt_lprt(mpt, MPT_PRT_DEBUG, "aborting ccb %p\n", accb);
4395
4396 if (ccb->ccb_h.target_lun == CAM_LUN_WILDCARD) {
4397 trtp = &mpt->trt_wildcard;
4398 } else {
4399 trtp = &mpt->trt[ccb->ccb_h.target_lun];
4400 }
4401
4402 if (accb->ccb_h.func_code == XPT_ACCEPT_TARGET_IO) {
4403 lp = &trtp->atios;
4404 } else if (accb->ccb_h.func_code == XPT_IMMED_NOTIFY) {
4405 lp = &trtp->inots;
4406 } else {
4407 return (CAM_REQ_INVALID);
4408 }
4409
4410 STAILQ_FOREACH(srch, lp, sim_links.stqe) {
4411 if (srch == &accb->ccb_h) {
4412 found = 1;
4413 STAILQ_REMOVE(lp, srch, ccb_hdr, sim_links.stqe);
4414 break;
4415 }
4416 }
4417 if (found) {
4418 accb->ccb_h.status = CAM_REQ_ABORTED;
4419 xpt_done(accb);
4420 return (CAM_REQ_CMP);
4421 }
4422 mpt_prt(mpt, "mpt_abort_tgt_ccb: CCB %p not found\n", ccb);
4423 return (CAM_PATH_INVALID);
4424}
4425
4426/*
4427 * Ask the MPT to abort the current target command
4428 */
4429static int
4430mpt_abort_target_cmd(struct mpt_softc *mpt, request_t *cmd_req)
4431{
4432 int error;
4433 request_t *req;
4434 PTR_MSG_TARGET_MODE_ABORT abtp;
4435
4436 req = mpt_get_request(mpt, FALSE);
4437 if (req == NULL) {
4438 return (-1);
4439 }
4440 abtp = req->req_vbuf;
4441 memset(abtp, 0, sizeof (*abtp));
4442
4443 abtp->MsgContext = htole32(req->index | mpt->scsi_tgt_handler_id);
4444 abtp->AbortType = TARGET_MODE_ABORT_TYPE_EXACT_IO;
4445 abtp->Function = MPI_FUNCTION_TARGET_MODE_ABORT;
4446 abtp->ReplyWord = htole32(MPT_TGT_STATE(mpt, cmd_req)->reply_desc);
4447 error = 0;
4448 if (mpt->is_fc || mpt->is_sas) {
4449 mpt_send_cmd(mpt, req);
4450 } else {
4451 error = mpt_send_handshake_cmd(mpt, sizeof(*req), req);
4452 }
4453 return (error);
4454}
4455
4456/*
4457 * WE_TRUST_AUTO_GOOD_STATUS- I've found that setting
4458 * TARGET_STATUS_SEND_FLAGS_AUTO_GOOD_STATUS leads the
4459 * FC929 to set bogus FC_RSP fields (nonzero residuals
4460 * but w/o RESID fields set). This causes QLogic initiators
4461 * to think maybe that a frame was lost.
4462 *
4463 * WE_CAN_USE_AUTO_REPOST- we can't use AUTO_REPOST because
4464 * we use allocated requests to do TARGET_ASSIST and we
4465 * need to know when to release them.
4466 */
4467
4468static void
4469mpt_scsi_tgt_status(struct mpt_softc *mpt, union ccb *ccb, request_t *cmd_req,
4470 uint8_t status, uint8_t const *sense_data)
4471{
4472 uint8_t *cmd_vbuf;
4473 mpt_tgt_state_t *tgt;
4474 PTR_MSG_TARGET_STATUS_SEND_REQUEST tp;
4475 request_t *req;
4476 bus_addr_t paddr;
4477 int resplen = 0;
4478 uint32_t fl;
4479
4480 cmd_vbuf = cmd_req->req_vbuf;
4481 cmd_vbuf += MPT_RQSL(mpt);
4482 tgt = MPT_TGT_STATE(mpt, cmd_req);
4483
4484 if ((req = mpt_get_request(mpt, FALSE)) == NULL) {
4485 if (mpt->outofbeer == 0) {
4486 mpt->outofbeer = 1;
4487 xpt_freeze_simq(mpt->sim, 1);
4488 mpt_lprt(mpt, MPT_PRT_DEBUG, "FREEZEQ\n");
4489 }
4490 if (ccb) {
4491 ccb->ccb_h.status &= ~CAM_SIM_QUEUED;
4492 mpt_set_ccb_status(ccb, CAM_REQUEUE_REQ);
4493 MPTLOCK_2_CAMLOCK(mpt);
4494 xpt_done(ccb);
4495 CAMLOCK_2_MPTLOCK(mpt);
4496 } else {
4497 mpt_prt(mpt,
4498 "could not allocate status request- dropping\n");
4499 }
4500 return;
4501 }
4502 req->ccb = ccb;
4503 if (ccb) {
4504 ccb->ccb_h.ccb_mpt_ptr = mpt;
4505 ccb->ccb_h.ccb_req_ptr = req;
4506 }
4507
4508 /*
4509 * Record the currently active ccb, if any, and the
4510 * request for it in our target state area.
4511 */
4512 tgt->ccb = ccb;
4513 tgt->req = req;
4514 tgt->state = TGT_STATE_SENDING_STATUS;
4515
4516 tp = req->req_vbuf;
4517 paddr = req->req_pbuf;
4518 paddr += MPT_RQSL(mpt);
4519
4520 memset(tp, 0, sizeof (*tp));
4521 tp->Function = MPI_FUNCTION_TARGET_STATUS_SEND;
4522 if (mpt->is_fc) {
4523 PTR_MPI_TARGET_FCP_CMD_BUFFER fc =
4524 (PTR_MPI_TARGET_FCP_CMD_BUFFER) cmd_vbuf;
4525 uint8_t *sts_vbuf;
4526 uint32_t *rsp;
4527
4528 sts_vbuf = req->req_vbuf;
4529 sts_vbuf += MPT_RQSL(mpt);
4530 rsp = (uint32_t *) sts_vbuf;
4531 memcpy(tp->LUN, fc->FcpLun, sizeof (tp->LUN));
4532
4533 /*
4534 * The MPI_TARGET_FCP_RSP_BUFFER define is unfortunate.
4535 * It has to be big-endian in memory and is organized
4536 * in 32 bit words, which are much easier to deal with
4537 * as words which are swizzled as needed.
4538 *
4539 * All we're filling here is the FC_RSP payload.
4540 * We may just have the chip synthesize it if
4541 * we have no residual and an OK status.
4542 *
4543 */
4544 memset(rsp, 0, sizeof (MPI_TARGET_FCP_RSP_BUFFER));
4545
4546 rsp[2] = status;
4547 if (tgt->resid) {
4548 rsp[2] |= 0x800; /* XXXX NEED MNEMONIC!!!! */
4549 rsp[3] = htobe32(tgt->resid);
4550#ifdef WE_TRUST_AUTO_GOOD_STATUS
4551 resplen = sizeof (MPI_TARGET_FCP_RSP_BUFFER);
4552#endif
4553 }
4554 if (status == SCSI_STATUS_CHECK_COND) {
4555 int i;
4556
4557 rsp[2] |= 0x200; /* XXXX NEED MNEMONIC!!!! */
4558 rsp[4] = htobe32(MPT_SENSE_SIZE);
4559 if (sense_data) {
4560 memcpy(&rsp[8], sense_data, MPT_SENSE_SIZE);
4561 } else {
4562 mpt_prt(mpt, "mpt_scsi_tgt_status: CHECK CONDI"
4563 "TION but no sense data?\n");
4564 memset(&rsp, 0, MPT_SENSE_SIZE);
4565 }
4566 for (i = 8; i < (8 + (MPT_SENSE_SIZE >> 2)); i++) {
4567 rsp[i] = htobe32(rsp[i]);
4568 }
4569#ifdef WE_TRUST_AUTO_GOOD_STATUS
4570 resplen = sizeof (MPI_TARGET_FCP_RSP_BUFFER);
4571#endif
4572 }
4573#ifndef WE_TRUST_AUTO_GOOD_STATUS
4574 resplen = sizeof (MPI_TARGET_FCP_RSP_BUFFER);
4575#endif
4576 rsp[2] = htobe32(rsp[2]);
4577 } else if (mpt->is_sas) {
4578 PTR_MPI_TARGET_SSP_CMD_BUFFER ssp =
4579 (PTR_MPI_TARGET_SSP_CMD_BUFFER) cmd_vbuf;
4580 memcpy(tp->LUN, ssp->LogicalUnitNumber, sizeof (tp->LUN));
4581 } else {
4582 PTR_MPI_TARGET_SCSI_SPI_CMD_BUFFER sp =
4583 (PTR_MPI_TARGET_SCSI_SPI_CMD_BUFFER) cmd_vbuf;
4584 tp->StatusCode = status;
4585 tp->QueueTag = htole16(sp->Tag);
4586 memcpy(tp->LUN, sp->LogicalUnitNumber, sizeof (tp->LUN));
4587 }
4588
4589 tp->ReplyWord = htole32(tgt->reply_desc);
4590 tp->MsgContext = htole32(req->index | mpt->scsi_tgt_handler_id);
4591
4592#ifdef WE_CAN_USE_AUTO_REPOST
4593 tp->MsgFlags = TARGET_STATUS_SEND_FLAGS_REPOST_CMD_BUFFER;
4594#endif
4595 if (status == SCSI_STATUS_OK && resplen == 0) {
4596 tp->MsgFlags |= TARGET_STATUS_SEND_FLAGS_AUTO_GOOD_STATUS;
4597 } else {
4598 tp->StatusDataSGE.u.Address32 = htole32((uint32_t) paddr);
4599 fl =
4600 MPI_SGE_FLAGS_HOST_TO_IOC |
4601 MPI_SGE_FLAGS_SIMPLE_ELEMENT |
4602 MPI_SGE_FLAGS_LAST_ELEMENT |
4603 MPI_SGE_FLAGS_END_OF_LIST |
4604 MPI_SGE_FLAGS_END_OF_BUFFER;
4605 fl <<= MPI_SGE_FLAGS_SHIFT;
4606 fl |= resplen;
4607 tp->StatusDataSGE.FlagsLength = htole32(fl);
4608 }
4609
4610 mpt_lprt(mpt, MPT_PRT_DEBUG,
4611 "STATUS_CCB %p (wit%s sense) tag %x req %p:%u resid %u\n",
4612 ccb, sense_data?"h" : "hout", ccb? ccb->csio.tag_id : -1, req,
4613 req->serno, tgt->resid);
4614 if (ccb) {
4615 ccb->ccb_h.status = CAM_SIM_QUEUED | CAM_REQ_INPROG;
3687 kthread_exit(0);
3688}
3689
3690static int
3691mpt_scsi_send_tmf(struct mpt_softc *mpt, u_int type, u_int flags,
3692 u_int channel, u_int target, u_int lun, u_int abort_ctx, int sleep_ok)
3693{
3694 MSG_SCSI_TASK_MGMT *tmf_req;
3695 int error;
3696
3697 /*
3698 * Wait for any current TMF request to complete.
3699 * We're only allowed to issue one TMF at a time.
3700 */
3701 error = mpt_wait_req(mpt, mpt->tmf_req, REQ_STATE_FREE, REQ_STATE_FREE,
3702 sleep_ok, MPT_TMF_MAX_TIMEOUT);
3703 if (error != 0) {
3704 mpt_reset(mpt, TRUE);
3705 return (ETIMEDOUT);
3706 }
3707
3708 mpt_assign_serno(mpt, mpt->tmf_req);
3709 mpt->tmf_req->state = REQ_STATE_ALLOCATED|REQ_STATE_QUEUED;
3710
3711 tmf_req = (MSG_SCSI_TASK_MGMT *)mpt->tmf_req->req_vbuf;
3712 memset(tmf_req, 0, sizeof(*tmf_req));
3713 tmf_req->TargetID = target;
3714 tmf_req->Bus = channel;
3715 tmf_req->ChainOffset = 0;
3716 tmf_req->Function = MPI_FUNCTION_SCSI_TASK_MGMT;
3717 tmf_req->Reserved = 0;
3718 tmf_req->TaskType = type;
3719 tmf_req->Reserved1 = 0;
3720 tmf_req->MsgFlags = flags;
3721 tmf_req->MsgContext =
3722 htole32(mpt->tmf_req->index | scsi_tmf_handler_id);
3723 memset(&tmf_req->LUN, 0,
3724 sizeof(tmf_req->LUN) + sizeof(tmf_req->Reserved2));
3725 if (lun > 256) {
3726 tmf_req->LUN[0] = 0x40 | ((lun >> 8) & 0x3f);
3727 tmf_req->LUN[1] = lun & 0xff;
3728 } else {
3729 tmf_req->LUN[1] = lun;
3730 }
3731 tmf_req->TaskMsgContext = abort_ctx;
3732
3733 mpt_lprt(mpt, MPT_PRT_DEBUG,
3734 "Issuing TMF %p:%u with MsgContext of 0x%x\n", mpt->tmf_req,
3735 mpt->tmf_req->serno, tmf_req->MsgContext);
3736 if (mpt->verbose > MPT_PRT_DEBUG) {
3737 mpt_print_request(tmf_req);
3738 }
3739
3740 KASSERT(mpt_req_on_pending_list(mpt, mpt->tmf_req) == 0,
3741 ("mpt_scsi_send_tmf: tmf_req already on pending list"));
3742 TAILQ_INSERT_HEAD(&mpt->request_pending_list, mpt->tmf_req, links);
3743 error = mpt_send_handshake_cmd(mpt, sizeof(*tmf_req), tmf_req);
3744 if (error != MPT_OK) {
3745 TAILQ_REMOVE(&mpt->request_pending_list, mpt->tmf_req, links);
3746 mpt->tmf_req->state = REQ_STATE_FREE;
3747 mpt_reset(mpt, TRUE);
3748 }
3749 return (error);
3750}
3751
3752/*
3753 * When a command times out, it is placed on the requeust_timeout_list
3754 * and we wake our recovery thread. The MPT-Fusion architecture supports
3755 * only a single TMF operation at a time, so we serially abort/bdr, etc,
3756 * the timedout transactions. The next TMF is issued either by the
3757 * completion handler of the current TMF waking our recovery thread,
3758 * or the TMF timeout handler causing a hard reset sequence.
3759 */
3760static void
3761mpt_recover_commands(struct mpt_softc *mpt)
3762{
3763 request_t *req;
3764 union ccb *ccb;
3765 int error;
3766
3767 if (TAILQ_EMPTY(&mpt->request_timeout_list) != 0) {
3768 /*
3769 * No work to do- leave.
3770 */
3771 mpt_prt(mpt, "mpt_recover_commands: no requests.\n");
3772 return;
3773 }
3774
3775 /*
3776 * Flush any commands whose completion coincides with their timeout.
3777 */
3778 mpt_intr(mpt);
3779
3780 if (TAILQ_EMPTY(&mpt->request_timeout_list) != 0) {
3781 /*
3782 * The timedout commands have already
3783 * completed. This typically means
3784 * that either the timeout value was on
3785 * the hairy edge of what the device
3786 * requires or - more likely - interrupts
3787 * are not happening.
3788 */
3789 mpt_prt(mpt, "Timedout requests already complete. "
3790 "Interrupts may not be functioning.\n");
3791 mpt_enable_ints(mpt);
3792 return;
3793 }
3794
3795 /*
3796 * We have no visibility into the current state of the
3797 * controller, so attempt to abort the commands in the
3798 * order they timed-out. For initiator commands, we
3799 * depend on the reply handler pulling requests off
3800 * the timeout list.
3801 */
3802 while ((req = TAILQ_FIRST(&mpt->request_timeout_list)) != NULL) {
3803 uint16_t status;
3804 uint8_t response;
3805 MSG_REQUEST_HEADER *hdrp = req->req_vbuf;
3806
3807 mpt_prt(mpt, "attempting to abort req %p:%u function %x\n",
3808 req, req->serno, hdrp->Function);
3809 ccb = req->ccb;
3810 if (ccb == NULL) {
3811 mpt_prt(mpt, "null ccb in timed out request. "
3812 "Resetting Controller.\n");
3813 mpt_reset(mpt, TRUE);
3814 continue;
3815 }
3816 mpt_set_ccb_status(ccb, CAM_CMD_TIMEOUT);
3817
3818 /*
3819 * Check to see if this is not an initiator command and
3820 * deal with it differently if it is.
3821 */
3822 switch (hdrp->Function) {
3823 case MPI_FUNCTION_SCSI_IO_REQUEST:
3824 case MPI_FUNCTION_RAID_SCSI_IO_PASSTHROUGH:
3825 break;
3826 default:
3827 /*
3828 * XXX: FIX ME: need to abort target assists...
3829 */
3830 mpt_prt(mpt, "just putting it back on the pend q\n");
3831 TAILQ_REMOVE(&mpt->request_timeout_list, req, links);
3832 TAILQ_INSERT_HEAD(&mpt->request_pending_list, req,
3833 links);
3834 continue;
3835 }
3836
3837 error = mpt_scsi_send_tmf(mpt,
3838 MPI_SCSITASKMGMT_TASKTYPE_ABORT_TASK,
3839 0, 0, ccb->ccb_h.target_id, ccb->ccb_h.target_lun,
3840 htole32(req->index | scsi_io_handler_id), TRUE);
3841
3842 if (error != 0) {
3843 /*
3844 * mpt_scsi_send_tmf hard resets on failure, so no
3845 * need to do so here. Our queue should be emptied
3846 * by the hard reset.
3847 */
3848 continue;
3849 }
3850
3851 error = mpt_wait_req(mpt, mpt->tmf_req, REQ_STATE_DONE,
3852 REQ_STATE_DONE, TRUE, 500);
3853
3854 status = mpt->tmf_req->IOCStatus;
3855 response = mpt->tmf_req->ResponseCode;
3856 mpt->tmf_req->state = REQ_STATE_FREE;
3857
3858 if (error != 0) {
3859 /*
3860 * If we've errored out,, reset the controller.
3861 */
3862 mpt_prt(mpt, "mpt_recover_commands: abort timed-out. "
3863 "Resetting controller\n");
3864 mpt_reset(mpt, TRUE);
3865 continue;
3866 }
3867
3868 if ((status & MPI_IOCSTATUS_MASK) != MPI_IOCSTATUS_SUCCESS) {
3869 mpt_prt(mpt, "mpt_recover_commands: IOC Status 0x%x. "
3870 "Resetting controller.\n", status);
3871 mpt_reset(mpt, TRUE);
3872 continue;
3873 }
3874
3875 if (response != MPI_SCSITASKMGMT_RSP_TM_SUCCEEDED &&
3876 response != MPI_SCSITASKMGMT_RSP_TM_COMPLETE) {
3877 mpt_prt(mpt, "mpt_recover_commands: TMF Response 0x%x. "
3878 "Resetting controller.\n", response);
3879 mpt_reset(mpt, TRUE);
3880 continue;
3881 }
3882 mpt_prt(mpt, "abort of req %p:%u completed\n", req, req->serno);
3883 }
3884}
3885
3886/************************ Target Mode Support ****************************/
3887static void
3888mpt_fc_post_els(struct mpt_softc *mpt, request_t *req, int ioindex)
3889{
3890 MSG_LINK_SERVICE_BUFFER_POST_REQUEST *fc;
3891 PTR_SGE_TRANSACTION32 tep;
3892 PTR_SGE_SIMPLE32 se;
3893 bus_addr_t paddr;
3894 uint32_t fl;
3895
3896 paddr = req->req_pbuf;
3897 paddr += MPT_RQSL(mpt);
3898
3899 fc = req->req_vbuf;
3900 memset(fc, 0, MPT_REQUEST_AREA);
3901 fc->BufferCount = 1;
3902 fc->Function = MPI_FUNCTION_FC_LINK_SRVC_BUF_POST;
3903 fc->MsgContext = htole32(req->index | fc_els_handler_id);
3904
3905 /*
3906 * Okay, set up ELS buffer pointers. ELS buffer pointers
3907 * consist of a TE SGL element (with details length of zero)
3908 * followe by a SIMPLE SGL element which holds the address
3909 * of the buffer.
3910 */
3911
3912 tep = (PTR_SGE_TRANSACTION32) &fc->SGL;
3913
3914 tep->ContextSize = 4;
3915 tep->Flags = 0;
3916 tep->TransactionContext[0] = htole32(ioindex);
3917
3918 se = (PTR_SGE_SIMPLE32) &tep->TransactionDetails[0];
3919 fl =
3920 MPI_SGE_FLAGS_HOST_TO_IOC |
3921 MPI_SGE_FLAGS_SIMPLE_ELEMENT |
3922 MPI_SGE_FLAGS_LAST_ELEMENT |
3923 MPI_SGE_FLAGS_END_OF_LIST |
3924 MPI_SGE_FLAGS_END_OF_BUFFER;
3925 fl <<= MPI_SGE_FLAGS_SHIFT;
3926 fl |= (MPT_NRFM(mpt) - MPT_RQSL(mpt));
3927 se->FlagsLength = htole32(fl);
3928 se->Address = htole32((uint32_t) paddr);
3929 mpt_lprt(mpt, MPT_PRT_DEBUG,
3930 "add ELS index %d ioindex %d for %p:%u\n",
3931 req->index, ioindex, req, req->serno);
3932 KASSERT(((req->state & REQ_STATE_LOCKED) != 0),
3933 ("mpt_fc_post_els: request not locked"));
3934 mpt_send_cmd(mpt, req);
3935}
3936
3937static void
3938mpt_post_target_command(struct mpt_softc *mpt, request_t *req, int ioindex)
3939{
3940 PTR_MSG_TARGET_CMD_BUFFER_POST_REQUEST fc;
3941 PTR_CMD_BUFFER_DESCRIPTOR cb;
3942 bus_addr_t paddr;
3943
3944 paddr = req->req_pbuf;
3945 paddr += MPT_RQSL(mpt);
3946 memset(req->req_vbuf, 0, MPT_REQUEST_AREA);
3947 MPT_TGT_STATE(mpt, req)->state = TGT_STATE_LOADING;
3948
3949 fc = req->req_vbuf;
3950 fc->BufferCount = 1;
3951 fc->Function = MPI_FUNCTION_TARGET_CMD_BUFFER_POST;
3952 fc->MsgContext = htole32(req->index | mpt->scsi_tgt_handler_id);
3953
3954 cb = &fc->Buffer[0];
3955 cb->IoIndex = htole16(ioindex);
3956 cb->u.PhysicalAddress32 = htole32((U32) paddr);
3957
3958 mpt_check_doorbell(mpt);
3959 mpt_send_cmd(mpt, req);
3960}
3961
3962static int
3963mpt_add_els_buffers(struct mpt_softc *mpt)
3964{
3965 int i;
3966
3967 if (mpt->is_fc == 0) {
3968 return (TRUE);
3969 }
3970
3971 if (mpt->els_cmds_allocated) {
3972 return (TRUE);
3973 }
3974
3975 mpt->els_cmd_ptrs = malloc(MPT_MAX_ELS * sizeof (request_t *),
3976 M_DEVBUF, M_NOWAIT | M_ZERO);
3977
3978 if (mpt->els_cmd_ptrs == NULL) {
3979 return (FALSE);
3980 }
3981
3982 /*
3983 * Feed the chip some ELS buffer resources
3984 */
3985 for (i = 0; i < MPT_MAX_ELS; i++) {
3986 request_t *req = mpt_get_request(mpt, FALSE);
3987 if (req == NULL) {
3988 break;
3989 }
3990 req->state |= REQ_STATE_LOCKED;
3991 mpt->els_cmd_ptrs[i] = req;
3992 mpt_fc_post_els(mpt, req, i);
3993 }
3994
3995 if (i == 0) {
3996 mpt_prt(mpt, "unable to add ELS buffer resources\n");
3997 free(mpt->els_cmd_ptrs, M_DEVBUF);
3998 mpt->els_cmd_ptrs = NULL;
3999 return (FALSE);
4000 }
4001 if (i != MPT_MAX_ELS) {
4002 mpt_lprt(mpt, MPT_PRT_INFO,
4003 "only added %d of %d ELS buffers\n", i, MPT_MAX_ELS);
4004 }
4005 mpt->els_cmds_allocated = i;
4006 return(TRUE);
4007}
4008
4009static int
4010mpt_add_target_commands(struct mpt_softc *mpt)
4011{
4012 int i, max;
4013
4014 if (mpt->tgt_cmd_ptrs) {
4015 return (TRUE);
4016 }
4017
4018 max = MPT_MAX_REQUESTS(mpt) >> 1;
4019 if (max > mpt->mpt_max_tgtcmds) {
4020 max = mpt->mpt_max_tgtcmds;
4021 }
4022 mpt->tgt_cmd_ptrs =
4023 malloc(max * sizeof (request_t *), M_DEVBUF, M_NOWAIT | M_ZERO);
4024 if (mpt->tgt_cmd_ptrs == NULL) {
4025 mpt_prt(mpt,
4026 "mpt_add_target_commands: could not allocate cmd ptrs\n");
4027 return (FALSE);
4028 }
4029
4030 for (i = 0; i < max; i++) {
4031 request_t *req;
4032
4033 req = mpt_get_request(mpt, FALSE);
4034 if (req == NULL) {
4035 break;
4036 }
4037 req->state |= REQ_STATE_LOCKED;
4038 mpt->tgt_cmd_ptrs[i] = req;
4039 mpt_post_target_command(mpt, req, i);
4040 }
4041
4042
4043 if (i == 0) {
4044 mpt_lprt(mpt, MPT_PRT_ERROR, "could not add any target bufs\n");
4045 free(mpt->tgt_cmd_ptrs, M_DEVBUF);
4046 mpt->tgt_cmd_ptrs = NULL;
4047 return (FALSE);
4048 }
4049
4050 mpt->tgt_cmds_allocated = i;
4051
4052 if (i < max) {
4053 mpt_lprt(mpt, MPT_PRT_INFO,
4054 "added %d of %d target bufs\n", i, max);
4055 }
4056 return (i);
4057}
4058
4059static int
4060mpt_enable_lun(struct mpt_softc *mpt, target_id_t tgt, lun_id_t lun)
4061{
4062 if (tgt == CAM_TARGET_WILDCARD && lun == CAM_LUN_WILDCARD) {
4063 mpt->twildcard = 1;
4064 } else if (lun >= MPT_MAX_LUNS) {
4065 return (EINVAL);
4066 } else if (tgt != CAM_TARGET_WILDCARD && tgt != 0) {
4067 return (EINVAL);
4068 }
4069 if (mpt->tenabled == 0) {
4070 if (mpt->is_fc) {
4071 (void) mpt_fc_reset_link(mpt, 0);
4072 }
4073 mpt->tenabled = 1;
4074 }
4075 if (lun == CAM_LUN_WILDCARD) {
4076 mpt->trt_wildcard.enabled = 1;
4077 } else {
4078 mpt->trt[lun].enabled = 1;
4079 }
4080 return (0);
4081}
4082
4083static int
4084mpt_disable_lun(struct mpt_softc *mpt, target_id_t tgt, lun_id_t lun)
4085{
4086 int i;
4087 if (tgt == CAM_TARGET_WILDCARD && lun == CAM_LUN_WILDCARD) {
4088 mpt->twildcard = 0;
4089 } else if (lun >= MPT_MAX_LUNS) {
4090 return (EINVAL);
4091 } else if (tgt != CAM_TARGET_WILDCARD && tgt != 0) {
4092 return (EINVAL);
4093 }
4094 if (lun == CAM_LUN_WILDCARD) {
4095 mpt->trt_wildcard.enabled = 0;
4096 } else {
4097 mpt->trt[lun].enabled = 0;
4098 }
4099 for (i = 0; i < MPT_MAX_LUNS; i++) {
4100 if (mpt->trt[lun].enabled) {
4101 break;
4102 }
4103 }
4104 if (i == MPT_MAX_LUNS && mpt->twildcard == 0) {
4105 if (mpt->is_fc) {
4106 (void) mpt_fc_reset_link(mpt, 0);
4107 }
4108 mpt->tenabled = 0;
4109 }
4110 return (0);
4111}
4112
4113/*
4114 * Called with MPT lock held
4115 */
4116static void
4117mpt_target_start_io(struct mpt_softc *mpt, union ccb *ccb)
4118{
4119 struct ccb_scsiio *csio = &ccb->csio;
4120 request_t *cmd_req = MPT_TAG_2_REQ(mpt, csio->tag_id);
4121 mpt_tgt_state_t *tgt = MPT_TGT_STATE(mpt, cmd_req);
4122
4123 switch (tgt->state) {
4124 case TGT_STATE_IN_CAM:
4125 break;
4126 case TGT_STATE_MOVING_DATA:
4127 mpt_set_ccb_status(ccb, CAM_REQUEUE_REQ);
4128 xpt_freeze_simq(mpt->sim, 1);
4129 ccb->ccb_h.status &= ~CAM_SIM_QUEUED;
4130 tgt->ccb->ccb_h.status |= CAM_RELEASE_SIMQ;
4131 MPTLOCK_2_CAMLOCK(mpt);
4132 xpt_done(ccb);
4133 CAMLOCK_2_MPTLOCK(mpt);
4134 return;
4135 default:
4136 mpt_prt(mpt, "ccb %p flags 0x%x tag 0x%08x had bad request "
4137 "starting I/O\n", ccb, csio->ccb_h.flags, csio->tag_id);
4138 mpt_tgt_dump_req_state(mpt, cmd_req);
4139 mpt_set_ccb_status(ccb, CAM_REQ_CMP_ERR);
4140 MPTLOCK_2_CAMLOCK(mpt);
4141 xpt_done(ccb);
4142 CAMLOCK_2_MPTLOCK(mpt);
4143 return;
4144 }
4145
4146 if (csio->dxfer_len) {
4147 bus_dmamap_callback_t *cb;
4148 PTR_MSG_TARGET_ASSIST_REQUEST ta;
4149 request_t *req;
4150
4151 KASSERT((ccb->ccb_h.flags & CAM_DIR_MASK) != CAM_DIR_NONE,
4152 ("dxfer_len %u but direction is NONE\n", csio->dxfer_len));
4153
4154 if ((req = mpt_get_request(mpt, FALSE)) == NULL) {
4155 if (mpt->outofbeer == 0) {
4156 mpt->outofbeer = 1;
4157 xpt_freeze_simq(mpt->sim, 1);
4158 mpt_lprt(mpt, MPT_PRT_DEBUG, "FREEZEQ\n");
4159 }
4160 ccb->ccb_h.status &= ~CAM_SIM_QUEUED;
4161 mpt_set_ccb_status(ccb, CAM_REQUEUE_REQ);
4162 MPTLOCK_2_CAMLOCK(mpt);
4163 xpt_done(ccb);
4164 CAMLOCK_2_MPTLOCK(mpt);
4165 return;
4166 }
4167 ccb->ccb_h.status = CAM_SIM_QUEUED | CAM_REQ_INPROG;
4168 if (sizeof (bus_addr_t) > 4) {
4169 cb = mpt_execute_req_a64;
4170 } else {
4171 cb = mpt_execute_req;
4172 }
4173
4174 req->ccb = ccb;
4175 ccb->ccb_h.ccb_req_ptr = req;
4176
4177 /*
4178 * Record the currently active ccb and the
4179 * request for it in our target state area.
4180 */
4181 tgt->ccb = ccb;
4182 tgt->req = req;
4183
4184 memset(req->req_vbuf, 0, MPT_RQSL(mpt));
4185 ta = req->req_vbuf;
4186
4187 if (mpt->is_sas) {
4188 PTR_MPI_TARGET_SSP_CMD_BUFFER ssp =
4189 cmd_req->req_vbuf;
4190 ta->QueueTag = ssp->InitiatorTag;
4191 } else if (mpt->is_spi) {
4192 PTR_MPI_TARGET_SCSI_SPI_CMD_BUFFER sp =
4193 cmd_req->req_vbuf;
4194 ta->QueueTag = sp->Tag;
4195 }
4196 ta->Function = MPI_FUNCTION_TARGET_ASSIST;
4197 ta->MsgContext = htole32(req->index | mpt->scsi_tgt_handler_id);
4198 ta->ReplyWord = htole32(tgt->reply_desc);
4199 if (csio->ccb_h.target_lun > 256) {
4200 ta->LUN[0] =
4201 0x40 | ((csio->ccb_h.target_lun >> 8) & 0x3f);
4202 ta->LUN[1] = csio->ccb_h.target_lun & 0xff;
4203 } else {
4204 ta->LUN[1] = csio->ccb_h.target_lun;
4205 }
4206
4207 ta->RelativeOffset = tgt->bytes_xfered;
4208 ta->DataLength = ccb->csio.dxfer_len;
4209 if (ta->DataLength > tgt->resid) {
4210 ta->DataLength = tgt->resid;
4211 }
4212
4213 /*
4214 * XXX Should be done after data transfer completes?
4215 */
4216 tgt->resid -= csio->dxfer_len;
4217 tgt->bytes_xfered += csio->dxfer_len;
4218
4219 if ((ccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN) {
4220 ta->TargetAssistFlags |=
4221 TARGET_ASSIST_FLAGS_DATA_DIRECTION;
4222 }
4223
4224#ifdef WE_TRUST_AUTO_GOOD_STATUS
4225 if ((ccb->ccb_h.flags & CAM_SEND_STATUS) &&
4226 csio->scsi_status == SCSI_STATUS_OK && tgt->resid == 0) {
4227 ta->TargetAssistFlags |=
4228 TARGET_ASSIST_FLAGS_AUTO_STATUS;
4229 }
4230#endif
4231 tgt->state = TGT_STATE_SETTING_UP_FOR_DATA;
4232
4233 mpt_lprt(mpt, MPT_PRT_DEBUG,
4234 "DATA_CCB %p tag %x %u bytes %u resid flg %x req %p:%u "
4235 "nxtstate=%d\n", csio, csio->tag_id, csio->dxfer_len,
4236 tgt->resid, ccb->ccb_h.flags, req, req->serno, tgt->state);
4237
4238 MPTLOCK_2_CAMLOCK(mpt);
4239 if ((ccb->ccb_h.flags & CAM_SCATTER_VALID) == 0) {
4240 if ((ccb->ccb_h.flags & CAM_DATA_PHYS) == 0) {
4241 int error;
4242 int s = splsoftvm();
4243 error = bus_dmamap_load(mpt->buffer_dmat,
4244 req->dmap, csio->data_ptr, csio->dxfer_len,
4245 cb, req, 0);
4246 splx(s);
4247 if (error == EINPROGRESS) {
4248 xpt_freeze_simq(mpt->sim, 1);
4249 ccb->ccb_h.status |= CAM_RELEASE_SIMQ;
4250 }
4251 } else {
4252 /*
4253 * We have been given a pointer to single
4254 * physical buffer.
4255 */
4256 struct bus_dma_segment seg;
4257 seg.ds_addr = (bus_addr_t)
4258 (vm_offset_t)csio->data_ptr;
4259 seg.ds_len = csio->dxfer_len;
4260 (*cb)(req, &seg, 1, 0);
4261 }
4262 } else {
4263 /*
4264 * We have been given a list of addresses.
4265 * This case could be easily supported but they are not
4266 * currently generated by the CAM subsystem so there
4267 * is no point in wasting the time right now.
4268 */
4269 struct bus_dma_segment *sgs;
4270 if ((ccb->ccb_h.flags & CAM_SG_LIST_PHYS) == 0) {
4271 (*cb)(req, NULL, 0, EFAULT);
4272 } else {
4273 /* Just use the segments provided */
4274 sgs = (struct bus_dma_segment *)csio->data_ptr;
4275 (*cb)(req, sgs, csio->sglist_cnt, 0);
4276 }
4277 }
4278 CAMLOCK_2_MPTLOCK(mpt);
4279 } else {
4280 uint8_t *sp = NULL, sense[MPT_SENSE_SIZE];
4281
4282 /*
4283 * XXX: I don't know why this seems to happen, but
4284 * XXX: completing the CCB seems to make things happy.
4285 * XXX: This seems to happen if the initiator requests
4286 * XXX: enough data that we have to do multiple CTIOs.
4287 */
4288 if ((ccb->ccb_h.flags & CAM_SEND_STATUS) == 0) {
4289 mpt_lprt(mpt, MPT_PRT_DEBUG,
4290 "Meaningless STATUS CCB (%p): flags %x status %x "
4291 "resid %d bytes_xfered %u\n", ccb, ccb->ccb_h.flags,
4292 ccb->ccb_h.status, tgt->resid, tgt->bytes_xfered);
4293 mpt_set_ccb_status(ccb, CAM_REQ_CMP);
4294 ccb->ccb_h.status &= ~CAM_SIM_QUEUED;
4295 MPTLOCK_2_CAMLOCK(mpt);
4296 xpt_done(ccb);
4297 CAMLOCK_2_MPTLOCK(mpt);
4298 return;
4299 }
4300 if (ccb->ccb_h.flags & CAM_SEND_SENSE) {
4301 sp = sense;
4302 memcpy(sp, &csio->sense_data,
4303 min(csio->sense_len, MPT_SENSE_SIZE));
4304 }
4305 mpt_scsi_tgt_status(mpt, ccb, cmd_req, csio->scsi_status, sp);
4306 }
4307}
4308
4309static void
4310mpt_scsi_tgt_local(struct mpt_softc *mpt, request_t *cmd_req,
4311 uint32_t lun, int send, uint8_t *data, size_t length)
4312{
4313 mpt_tgt_state_t *tgt;
4314 PTR_MSG_TARGET_ASSIST_REQUEST ta;
4315 SGE_SIMPLE32 *se;
4316 uint32_t flags;
4317 uint8_t *dptr;
4318 bus_addr_t pptr;
4319 request_t *req;
4320
4321 /*
4322 * We enter with resid set to the data load for the command.
4323 */
4324 tgt = MPT_TGT_STATE(mpt, cmd_req);
4325 if (length == 0 || tgt->resid == 0) {
4326 tgt->resid = 0;
4327 mpt_scsi_tgt_status(mpt, NULL, cmd_req, 0, NULL);
4328 return;
4329 }
4330
4331 if ((req = mpt_get_request(mpt, FALSE)) == NULL) {
4332 mpt_prt(mpt, "out of resources- dropping local response\n");
4333 return;
4334 }
4335 tgt->is_local = 1;
4336
4337
4338 memset(req->req_vbuf, 0, MPT_RQSL(mpt));
4339 ta = req->req_vbuf;
4340
4341 if (mpt->is_sas) {
4342 PTR_MPI_TARGET_SSP_CMD_BUFFER ssp = cmd_req->req_vbuf;
4343 ta->QueueTag = ssp->InitiatorTag;
4344 } else if (mpt->is_spi) {
4345 PTR_MPI_TARGET_SCSI_SPI_CMD_BUFFER sp = cmd_req->req_vbuf;
4346 ta->QueueTag = sp->Tag;
4347 }
4348 ta->Function = MPI_FUNCTION_TARGET_ASSIST;
4349 ta->MsgContext = htole32(req->index | mpt->scsi_tgt_handler_id);
4350 ta->ReplyWord = htole32(tgt->reply_desc);
4351 if (lun > 256) {
4352 ta->LUN[0] = 0x40 | ((lun >> 8) & 0x3f);
4353 ta->LUN[1] = lun & 0xff;
4354 } else {
4355 ta->LUN[1] = lun;
4356 }
4357 ta->RelativeOffset = 0;
4358 ta->DataLength = length;
4359
4360 dptr = req->req_vbuf;
4361 dptr += MPT_RQSL(mpt);
4362 pptr = req->req_pbuf;
4363 pptr += MPT_RQSL(mpt);
4364 memcpy(dptr, data, min(length, MPT_RQSL(mpt)));
4365
4366 se = (SGE_SIMPLE32 *) &ta->SGL[0];
4367 memset(se, 0,sizeof (*se));
4368
4369 flags = MPI_SGE_FLAGS_SIMPLE_ELEMENT;
4370 if (send) {
4371 ta->TargetAssistFlags |= TARGET_ASSIST_FLAGS_DATA_DIRECTION;
4372 flags |= MPI_SGE_FLAGS_HOST_TO_IOC;
4373 }
4374 se->Address = pptr;
4375 MPI_pSGE_SET_LENGTH(se, length);
4376 flags |= MPI_SGE_FLAGS_LAST_ELEMENT;
4377 flags |= MPI_SGE_FLAGS_END_OF_LIST | MPI_SGE_FLAGS_END_OF_BUFFER;
4378 MPI_pSGE_SET_FLAGS(se, flags);
4379
4380 tgt->ccb = NULL;
4381 tgt->req = req;
4382 tgt->resid -= length;
4383 tgt->bytes_xfered = length;
4384#ifdef WE_TRUST_AUTO_GOOD_STATUS
4385 tgt->state = TGT_STATE_MOVING_DATA_AND_STATUS;
4386#else
4387 tgt->state = TGT_STATE_MOVING_DATA;
4388#endif
4389 mpt_send_cmd(mpt, req);
4390}
4391
4392/*
4393 * Abort queued up CCBs
4394 */
4395static cam_status
4396mpt_abort_target_ccb(struct mpt_softc *mpt, union ccb *ccb)
4397{
4398 struct mpt_hdr_stailq *lp;
4399 struct ccb_hdr *srch;
4400 int found = 0;
4401 union ccb *accb = ccb->cab.abort_ccb;
4402 tgt_resource_t *trtp;
4403
4404 mpt_lprt(mpt, MPT_PRT_DEBUG, "aborting ccb %p\n", accb);
4405
4406 if (ccb->ccb_h.target_lun == CAM_LUN_WILDCARD) {
4407 trtp = &mpt->trt_wildcard;
4408 } else {
4409 trtp = &mpt->trt[ccb->ccb_h.target_lun];
4410 }
4411
4412 if (accb->ccb_h.func_code == XPT_ACCEPT_TARGET_IO) {
4413 lp = &trtp->atios;
4414 } else if (accb->ccb_h.func_code == XPT_IMMED_NOTIFY) {
4415 lp = &trtp->inots;
4416 } else {
4417 return (CAM_REQ_INVALID);
4418 }
4419
4420 STAILQ_FOREACH(srch, lp, sim_links.stqe) {
4421 if (srch == &accb->ccb_h) {
4422 found = 1;
4423 STAILQ_REMOVE(lp, srch, ccb_hdr, sim_links.stqe);
4424 break;
4425 }
4426 }
4427 if (found) {
4428 accb->ccb_h.status = CAM_REQ_ABORTED;
4429 xpt_done(accb);
4430 return (CAM_REQ_CMP);
4431 }
4432 mpt_prt(mpt, "mpt_abort_tgt_ccb: CCB %p not found\n", ccb);
4433 return (CAM_PATH_INVALID);
4434}
4435
4436/*
4437 * Ask the MPT to abort the current target command
4438 */
4439static int
4440mpt_abort_target_cmd(struct mpt_softc *mpt, request_t *cmd_req)
4441{
4442 int error;
4443 request_t *req;
4444 PTR_MSG_TARGET_MODE_ABORT abtp;
4445
4446 req = mpt_get_request(mpt, FALSE);
4447 if (req == NULL) {
4448 return (-1);
4449 }
4450 abtp = req->req_vbuf;
4451 memset(abtp, 0, sizeof (*abtp));
4452
4453 abtp->MsgContext = htole32(req->index | mpt->scsi_tgt_handler_id);
4454 abtp->AbortType = TARGET_MODE_ABORT_TYPE_EXACT_IO;
4455 abtp->Function = MPI_FUNCTION_TARGET_MODE_ABORT;
4456 abtp->ReplyWord = htole32(MPT_TGT_STATE(mpt, cmd_req)->reply_desc);
4457 error = 0;
4458 if (mpt->is_fc || mpt->is_sas) {
4459 mpt_send_cmd(mpt, req);
4460 } else {
4461 error = mpt_send_handshake_cmd(mpt, sizeof(*req), req);
4462 }
4463 return (error);
4464}
4465
4466/*
4467 * WE_TRUST_AUTO_GOOD_STATUS- I've found that setting
4468 * TARGET_STATUS_SEND_FLAGS_AUTO_GOOD_STATUS leads the
4469 * FC929 to set bogus FC_RSP fields (nonzero residuals
4470 * but w/o RESID fields set). This causes QLogic initiators
4471 * to think maybe that a frame was lost.
4472 *
4473 * WE_CAN_USE_AUTO_REPOST- we can't use AUTO_REPOST because
4474 * we use allocated requests to do TARGET_ASSIST and we
4475 * need to know when to release them.
4476 */
4477
4478static void
4479mpt_scsi_tgt_status(struct mpt_softc *mpt, union ccb *ccb, request_t *cmd_req,
4480 uint8_t status, uint8_t const *sense_data)
4481{
4482 uint8_t *cmd_vbuf;
4483 mpt_tgt_state_t *tgt;
4484 PTR_MSG_TARGET_STATUS_SEND_REQUEST tp;
4485 request_t *req;
4486 bus_addr_t paddr;
4487 int resplen = 0;
4488 uint32_t fl;
4489
4490 cmd_vbuf = cmd_req->req_vbuf;
4491 cmd_vbuf += MPT_RQSL(mpt);
4492 tgt = MPT_TGT_STATE(mpt, cmd_req);
4493
4494 if ((req = mpt_get_request(mpt, FALSE)) == NULL) {
4495 if (mpt->outofbeer == 0) {
4496 mpt->outofbeer = 1;
4497 xpt_freeze_simq(mpt->sim, 1);
4498 mpt_lprt(mpt, MPT_PRT_DEBUG, "FREEZEQ\n");
4499 }
4500 if (ccb) {
4501 ccb->ccb_h.status &= ~CAM_SIM_QUEUED;
4502 mpt_set_ccb_status(ccb, CAM_REQUEUE_REQ);
4503 MPTLOCK_2_CAMLOCK(mpt);
4504 xpt_done(ccb);
4505 CAMLOCK_2_MPTLOCK(mpt);
4506 } else {
4507 mpt_prt(mpt,
4508 "could not allocate status request- dropping\n");
4509 }
4510 return;
4511 }
4512 req->ccb = ccb;
4513 if (ccb) {
4514 ccb->ccb_h.ccb_mpt_ptr = mpt;
4515 ccb->ccb_h.ccb_req_ptr = req;
4516 }
4517
4518 /*
4519 * Record the currently active ccb, if any, and the
4520 * request for it in our target state area.
4521 */
4522 tgt->ccb = ccb;
4523 tgt->req = req;
4524 tgt->state = TGT_STATE_SENDING_STATUS;
4525
4526 tp = req->req_vbuf;
4527 paddr = req->req_pbuf;
4528 paddr += MPT_RQSL(mpt);
4529
4530 memset(tp, 0, sizeof (*tp));
4531 tp->Function = MPI_FUNCTION_TARGET_STATUS_SEND;
4532 if (mpt->is_fc) {
4533 PTR_MPI_TARGET_FCP_CMD_BUFFER fc =
4534 (PTR_MPI_TARGET_FCP_CMD_BUFFER) cmd_vbuf;
4535 uint8_t *sts_vbuf;
4536 uint32_t *rsp;
4537
4538 sts_vbuf = req->req_vbuf;
4539 sts_vbuf += MPT_RQSL(mpt);
4540 rsp = (uint32_t *) sts_vbuf;
4541 memcpy(tp->LUN, fc->FcpLun, sizeof (tp->LUN));
4542
4543 /*
4544 * The MPI_TARGET_FCP_RSP_BUFFER define is unfortunate.
4545 * It has to be big-endian in memory and is organized
4546 * in 32 bit words, which are much easier to deal with
4547 * as words which are swizzled as needed.
4548 *
4549 * All we're filling here is the FC_RSP payload.
4550 * We may just have the chip synthesize it if
4551 * we have no residual and an OK status.
4552 *
4553 */
4554 memset(rsp, 0, sizeof (MPI_TARGET_FCP_RSP_BUFFER));
4555
4556 rsp[2] = status;
4557 if (tgt->resid) {
4558 rsp[2] |= 0x800; /* XXXX NEED MNEMONIC!!!! */
4559 rsp[3] = htobe32(tgt->resid);
4560#ifdef WE_TRUST_AUTO_GOOD_STATUS
4561 resplen = sizeof (MPI_TARGET_FCP_RSP_BUFFER);
4562#endif
4563 }
4564 if (status == SCSI_STATUS_CHECK_COND) {
4565 int i;
4566
4567 rsp[2] |= 0x200; /* XXXX NEED MNEMONIC!!!! */
4568 rsp[4] = htobe32(MPT_SENSE_SIZE);
4569 if (sense_data) {
4570 memcpy(&rsp[8], sense_data, MPT_SENSE_SIZE);
4571 } else {
4572 mpt_prt(mpt, "mpt_scsi_tgt_status: CHECK CONDI"
4573 "TION but no sense data?\n");
4574 memset(&rsp, 0, MPT_SENSE_SIZE);
4575 }
4576 for (i = 8; i < (8 + (MPT_SENSE_SIZE >> 2)); i++) {
4577 rsp[i] = htobe32(rsp[i]);
4578 }
4579#ifdef WE_TRUST_AUTO_GOOD_STATUS
4580 resplen = sizeof (MPI_TARGET_FCP_RSP_BUFFER);
4581#endif
4582 }
4583#ifndef WE_TRUST_AUTO_GOOD_STATUS
4584 resplen = sizeof (MPI_TARGET_FCP_RSP_BUFFER);
4585#endif
4586 rsp[2] = htobe32(rsp[2]);
4587 } else if (mpt->is_sas) {
4588 PTR_MPI_TARGET_SSP_CMD_BUFFER ssp =
4589 (PTR_MPI_TARGET_SSP_CMD_BUFFER) cmd_vbuf;
4590 memcpy(tp->LUN, ssp->LogicalUnitNumber, sizeof (tp->LUN));
4591 } else {
4592 PTR_MPI_TARGET_SCSI_SPI_CMD_BUFFER sp =
4593 (PTR_MPI_TARGET_SCSI_SPI_CMD_BUFFER) cmd_vbuf;
4594 tp->StatusCode = status;
4595 tp->QueueTag = htole16(sp->Tag);
4596 memcpy(tp->LUN, sp->LogicalUnitNumber, sizeof (tp->LUN));
4597 }
4598
4599 tp->ReplyWord = htole32(tgt->reply_desc);
4600 tp->MsgContext = htole32(req->index | mpt->scsi_tgt_handler_id);
4601
4602#ifdef WE_CAN_USE_AUTO_REPOST
4603 tp->MsgFlags = TARGET_STATUS_SEND_FLAGS_REPOST_CMD_BUFFER;
4604#endif
4605 if (status == SCSI_STATUS_OK && resplen == 0) {
4606 tp->MsgFlags |= TARGET_STATUS_SEND_FLAGS_AUTO_GOOD_STATUS;
4607 } else {
4608 tp->StatusDataSGE.u.Address32 = htole32((uint32_t) paddr);
4609 fl =
4610 MPI_SGE_FLAGS_HOST_TO_IOC |
4611 MPI_SGE_FLAGS_SIMPLE_ELEMENT |
4612 MPI_SGE_FLAGS_LAST_ELEMENT |
4613 MPI_SGE_FLAGS_END_OF_LIST |
4614 MPI_SGE_FLAGS_END_OF_BUFFER;
4615 fl <<= MPI_SGE_FLAGS_SHIFT;
4616 fl |= resplen;
4617 tp->StatusDataSGE.FlagsLength = htole32(fl);
4618 }
4619
4620 mpt_lprt(mpt, MPT_PRT_DEBUG,
4621 "STATUS_CCB %p (wit%s sense) tag %x req %p:%u resid %u\n",
4622 ccb, sense_data?"h" : "hout", ccb? ccb->csio.tag_id : -1, req,
4623 req->serno, tgt->resid);
4624 if (ccb) {
4625 ccb->ccb_h.status = CAM_SIM_QUEUED | CAM_REQ_INPROG;
4616 ccb->ccb_h.timeout_ch = timeout(mpt_timeout, ccb, 60 * hz);
4626 mpt_req_timeout(req, 60 * hz, mpt_timeout, ccb);
4617 }
4618 mpt_send_cmd(mpt, req);
4619}
4620
4621static void
4622mpt_scsi_tgt_tsk_mgmt(struct mpt_softc *mpt, request_t *req, mpt_task_mgmt_t fc,
4623 tgt_resource_t *trtp, int init_id)
4624{
4625 struct ccb_immed_notify *inot;
4626 mpt_tgt_state_t *tgt;
4627
4628 tgt = MPT_TGT_STATE(mpt, req);
4629 inot = (struct ccb_immed_notify *) STAILQ_FIRST(&trtp->inots);
4630 if (inot == NULL) {
4631 mpt_lprt(mpt, MPT_PRT_WARN, "no INOTSs- sending back BSY\n");
4632 mpt_scsi_tgt_status(mpt, NULL, req, SCSI_STATUS_BUSY, NULL);
4633 return;
4634 }
4635 STAILQ_REMOVE_HEAD(&trtp->inots, sim_links.stqe);
4636 mpt_lprt(mpt, MPT_PRT_DEBUG1,
4637 "Get FREE INOT %p lun %d\n", inot, inot->ccb_h.target_lun);
4638
4639 memset(&inot->sense_data, 0, sizeof (inot->sense_data));
4640 inot->sense_len = 0;
4641 memset(inot->message_args, 0, sizeof (inot->message_args));
4642 inot->initiator_id = init_id; /* XXX */
4643
4644 /*
4645 * This is a somewhat grotesque attempt to map from task management
4646 * to old style SCSI messages. God help us all.
4647 */
4648 switch (fc) {
4649 case MPT_ABORT_TASK_SET:
4650 inot->message_args[0] = MSG_ABORT_TAG;
4651 break;
4652 case MPT_CLEAR_TASK_SET:
4653 inot->message_args[0] = MSG_CLEAR_TASK_SET;
4654 break;
4655 case MPT_TARGET_RESET:
4656 inot->message_args[0] = MSG_TARGET_RESET;
4657 break;
4658 case MPT_CLEAR_ACA:
4659 inot->message_args[0] = MSG_CLEAR_ACA;
4660 break;
4661 case MPT_TERMINATE_TASK:
4662 inot->message_args[0] = MSG_ABORT_TAG;
4663 break;
4664 default:
4665 inot->message_args[0] = MSG_NOOP;
4666 break;
4667 }
4668 tgt->ccb = (union ccb *) inot;
4669 inot->ccb_h.status = CAM_MESSAGE_RECV|CAM_DEV_QFRZN;
4670 MPTLOCK_2_CAMLOCK(mpt);
4671 xpt_done((union ccb *)inot);
4672 CAMLOCK_2_MPTLOCK(mpt);
4673}
4674
4675static void
4676mpt_scsi_tgt_atio(struct mpt_softc *mpt, request_t *req, uint32_t reply_desc)
4677{
4678 static uint8_t null_iqd[SHORT_INQUIRY_LENGTH] = {
4679 0x7f, 0x00, 0x02, 0x02, 0x20, 0x00, 0x00, 0x32,
4680 'F', 'R', 'E', 'E', 'B', 'S', 'D', ' ',
4681 'L', 'S', 'I', '-', 'L', 'O', 'G', 'I',
4682 'C', ' ', 'N', 'U', 'L', 'D', 'E', 'V',
4683 '0', '0', '0', '1'
4684 };
4685 struct ccb_accept_tio *atiop;
4686 lun_id_t lun;
4687 int tag_action = 0;
4688 mpt_tgt_state_t *tgt;
4689 tgt_resource_t *trtp = NULL;
4690 U8 *lunptr;
4691 U8 *vbuf;
4692 U16 itag;
4693 U16 ioindex;
4694 mpt_task_mgmt_t fct = MPT_NIL_TMT_VALUE;
4695 uint8_t *cdbp;
4696
4697 /*
4698 * First, DMA sync the received command-
4699 * which is in the *request* * phys area.
4700 *
4701 * XXX: We could optimize this for a range
4702 */
4703 bus_dmamap_sync(mpt->request_dmat, mpt->request_dmap,
4704 BUS_DMASYNC_POSTREAD);
4705
4706 /*
4707 * Stash info for the current command where we can get at it later.
4708 */
4709 vbuf = req->req_vbuf;
4710 vbuf += MPT_RQSL(mpt);
4711
4712 /*
4713 * Get our state pointer set up.
4714 */
4715 tgt = MPT_TGT_STATE(mpt, req);
4716 if (tgt->state != TGT_STATE_LOADED) {
4717 mpt_tgt_dump_req_state(mpt, req);
4718 panic("bad target state in mpt_scsi_tgt_atio");
4719 }
4720 memset(tgt, 0, sizeof (mpt_tgt_state_t));
4721 tgt->state = TGT_STATE_IN_CAM;
4722 tgt->reply_desc = reply_desc;
4723 ioindex = GET_IO_INDEX(reply_desc);
4724 if (mpt->verbose >= MPT_PRT_DEBUG) {
4725 mpt_dump_data(mpt, "mpt_scsi_tgt_atio response", vbuf,
4726 max(sizeof (MPI_TARGET_FCP_CMD_BUFFER),
4727 max(sizeof (MPI_TARGET_SSP_CMD_BUFFER),
4728 sizeof (MPI_TARGET_SCSI_SPI_CMD_BUFFER))));
4729 }
4730 if (mpt->is_fc) {
4731 PTR_MPI_TARGET_FCP_CMD_BUFFER fc;
4732 fc = (PTR_MPI_TARGET_FCP_CMD_BUFFER) vbuf;
4733 if (fc->FcpCntl[2]) {
4734 /*
4735 * Task Management Request
4736 */
4737 switch (fc->FcpCntl[2]) {
4738 case 0x2:
4739 fct = MPT_ABORT_TASK_SET;
4740 break;
4741 case 0x4:
4742 fct = MPT_CLEAR_TASK_SET;
4743 break;
4744 case 0x20:
4745 fct = MPT_TARGET_RESET;
4746 break;
4747 case 0x40:
4748 fct = MPT_CLEAR_ACA;
4749 break;
4750 case 0x80:
4751 fct = MPT_TERMINATE_TASK;
4752 break;
4753 default:
4754 mpt_prt(mpt, "CORRUPTED TASK MGMT BITS: 0x%x\n",
4755 fc->FcpCntl[2]);
4756 mpt_scsi_tgt_status(mpt, 0, req,
4757 SCSI_STATUS_OK, 0);
4758 return;
4759 }
4760 } else {
4761 switch (fc->FcpCntl[1]) {
4762 case 0:
4763 tag_action = MSG_SIMPLE_Q_TAG;
4764 break;
4765 case 1:
4766 tag_action = MSG_HEAD_OF_Q_TAG;
4767 break;
4768 case 2:
4769 tag_action = MSG_ORDERED_Q_TAG;
4770 break;
4771 default:
4772 /*
4773 * Bah. Ignore Untagged Queing and ACA
4774 */
4775 tag_action = MSG_SIMPLE_Q_TAG;
4776 break;
4777 }
4778 }
4779 tgt->resid = be32toh(fc->FcpDl);
4780 cdbp = fc->FcpCdb;
4781 lunptr = fc->FcpLun;
4782 itag = be16toh(fc->OptionalOxid);
4783 } else if (mpt->is_sas) {
4784 PTR_MPI_TARGET_SSP_CMD_BUFFER ssp;
4785 ssp = (PTR_MPI_TARGET_SSP_CMD_BUFFER) vbuf;
4786 cdbp = ssp->CDB;
4787 lunptr = ssp->LogicalUnitNumber;
4788 itag = ssp->InitiatorTag;
4789 } else {
4790 PTR_MPI_TARGET_SCSI_SPI_CMD_BUFFER sp;
4791 sp = (PTR_MPI_TARGET_SCSI_SPI_CMD_BUFFER) vbuf;
4792 cdbp = sp->CDB;
4793 lunptr = sp->LogicalUnitNumber;
4794 itag = sp->Tag;
4795 }
4796
4797 /*
4798 * Generate a simple lun
4799 */
4800 switch (lunptr[0] & 0xc0) {
4801 case 0x40:
4802 lun = ((lunptr[0] & 0x3f) << 8) | lunptr[1];
4803 break;
4804 case 0:
4805 lun = lunptr[1];
4806 break;
4807 default:
4808 mpt_lprt(mpt, MPT_PRT_ERROR, "cannot handle this type lun\n");
4809 lun = 0xffff;
4810 break;
4811 }
4812
4813 /*
4814 * Deal with non-enabled or bad luns here.
4815 */
4816 if (lun >= MPT_MAX_LUNS || mpt->tenabled == 0 ||
4817 mpt->trt[lun].enabled == 0) {
4818 if (mpt->twildcard) {
4819 trtp = &mpt->trt_wildcard;
4820 } else if (fct == MPT_NIL_TMT_VALUE) {
4821 /*
4822 * In this case, we haven't got an upstream listener
4823 * for either a specific lun or wildcard luns. We
4824 * have to make some sensible response. For regular
4825 * inquiry, just return some NOT HERE inquiry data.
4826 * For VPD inquiry, report illegal field in cdb.
4827 * For REQUEST SENSE, just return NO SENSE data.
4828 * REPORT LUNS gets illegal command.
4829 * All other commands get 'no such device'.
4830 */
4831 uint8_t *sp, cond, buf[MPT_SENSE_SIZE];
4832 size_t len;
4833
4834 memset(buf, 0, MPT_SENSE_SIZE);
4835 cond = SCSI_STATUS_CHECK_COND;
4836 buf[0] = 0xf0;
4837 buf[2] = 0x5;
4838 buf[7] = 0x8;
4839 sp = buf;
4840 tgt->tag_id = MPT_MAKE_TAGID(mpt, req, ioindex);
4841
4842 switch (cdbp[0]) {
4843 case INQUIRY:
4844 {
4845 if (cdbp[1] != 0) {
4846 buf[12] = 0x26;
4847 buf[13] = 0x01;
4848 break;
4849 }
4850 len = min(tgt->resid, cdbp[4]);
4851 len = min(len, sizeof (null_iqd));
4852 mpt_lprt(mpt, MPT_PRT_DEBUG,
4853 "local inquiry %ld bytes\n", (long) len);
4854 mpt_scsi_tgt_local(mpt, req, lun, 1,
4855 null_iqd, len);
4856 return;
4857 }
4858 case REQUEST_SENSE:
4859 {
4860 buf[2] = 0x0;
4861 len = min(tgt->resid, cdbp[4]);
4862 len = min(len, sizeof (buf));
4863 mpt_lprt(mpt, MPT_PRT_DEBUG,
4864 "local reqsense %ld bytes\n", (long) len);
4865 mpt_scsi_tgt_local(mpt, req, lun, 1,
4866 buf, len);
4867 return;
4868 }
4869 case REPORT_LUNS:
4870 mpt_lprt(mpt, MPT_PRT_DEBUG, "REPORT LUNS\n");
4871 buf[12] = 0x26;
4872 return;
4873 default:
4874 mpt_lprt(mpt, MPT_PRT_DEBUG,
4875 "CMD 0x%x to unmanaged lun %u\n",
4876 cdbp[0], lun);
4877 buf[12] = 0x25;
4878 break;
4879 }
4880 mpt_scsi_tgt_status(mpt, NULL, req, cond, sp);
4881 return;
4882 }
4883 /* otherwise, leave trtp NULL */
4884 } else {
4885 trtp = &mpt->trt[lun];
4886 }
4887
4888 /*
4889 * Deal with any task management
4890 */
4891 if (fct != MPT_NIL_TMT_VALUE) {
4892 if (trtp == NULL) {
4893 mpt_prt(mpt, "task mgmt function %x but no listener\n",
4894 fct);
4895 mpt_scsi_tgt_status(mpt, 0, req,
4896 SCSI_STATUS_OK, 0);
4897 } else {
4898 mpt_scsi_tgt_tsk_mgmt(mpt, req, fct, trtp,
4899 GET_INITIATOR_INDEX(reply_desc));
4900 }
4901 return;
4902 }
4903
4904
4905 atiop = (struct ccb_accept_tio *) STAILQ_FIRST(&trtp->atios);
4906 if (atiop == NULL) {
4907 mpt_lprt(mpt, MPT_PRT_WARN,
4908 "no ATIOs for lun %u- sending back %s\n", lun,
4909 mpt->tenabled? "QUEUE FULL" : "BUSY");
4910 mpt_scsi_tgt_status(mpt, NULL, req,
4911 mpt->tenabled? SCSI_STATUS_QUEUE_FULL : SCSI_STATUS_BUSY,
4912 NULL);
4913 return;
4914 }
4915 STAILQ_REMOVE_HEAD(&trtp->atios, sim_links.stqe);
4916 mpt_lprt(mpt, MPT_PRT_DEBUG1,
4917 "Get FREE ATIO %p lun %d\n", atiop, atiop->ccb_h.target_lun);
4918 atiop->ccb_h.ccb_mpt_ptr = mpt;
4919 atiop->ccb_h.status = CAM_CDB_RECVD;
4920 atiop->ccb_h.target_lun = lun;
4921 atiop->sense_len = 0;
4922 atiop->init_id = GET_INITIATOR_INDEX(reply_desc);
4923 atiop->cdb_len = mpt_cdblen(cdbp[0], 16);
4924 memcpy(atiop->cdb_io.cdb_bytes, cdbp, atiop->cdb_len);
4925
4926 /*
4927 * The tag we construct here allows us to find the
4928 * original request that the command came in with.
4929 *
4930 * This way we don't have to depend on anything but the
4931 * tag to find things when CCBs show back up from CAM.
4932 */
4933 atiop->tag_id = MPT_MAKE_TAGID(mpt, req, ioindex);
4934 tgt->tag_id = atiop->tag_id;
4935 if (tag_action) {
4936 atiop->tag_action = tag_action;
4937 atiop->ccb_h.flags = CAM_TAG_ACTION_VALID;
4938 }
4939 if (mpt->verbose >= MPT_PRT_DEBUG) {
4940 int i;
4941 mpt_prt(mpt, "START_CCB %p for lun %u CDB=<", atiop,
4942 atiop->ccb_h.target_lun);
4943 for (i = 0; i < atiop->cdb_len; i++) {
4944 mpt_prtc(mpt, "%02x%c", cdbp[i] & 0xff,
4945 (i == (atiop->cdb_len - 1))? '>' : ' ');
4946 }
4947 mpt_prtc(mpt, " itag %x tag %x rdesc %x dl=%u\n",
4948 itag, atiop->tag_id, tgt->reply_desc, tgt->resid);
4949 }
4950
4951 MPTLOCK_2_CAMLOCK(mpt);
4952 xpt_done((union ccb *)atiop);
4953 CAMLOCK_2_MPTLOCK(mpt);
4954}
4955
4956static void
4957mpt_tgt_dump_tgt_state(struct mpt_softc *mpt, request_t *req)
4958{
4959 mpt_tgt_state_t *tgt = MPT_TGT_STATE(mpt, req);
4960
4961 mpt_prt(mpt, "req %p:%u tgt:rdesc 0x%x resid %u xfrd %u ccb %p treq %p "
4962 "nx %d tag 0x%08x state=%d\n", req, req->serno, tgt->reply_desc,
4963 tgt->resid, tgt->bytes_xfered, tgt->ccb, tgt->req, tgt->nxfers,
4964 tgt->tag_id, tgt->state);
4965}
4966
4967static void
4968mpt_tgt_dump_req_state(struct mpt_softc *mpt, request_t *req)
4969{
4970 mpt_prt(mpt, "req %p:%u index %u (%x) state %x\n", req, req->serno,
4971 req->index, req->index, req->state);
4972 mpt_tgt_dump_tgt_state(mpt, req);
4973}
4974
4975static int
4976mpt_scsi_tgt_reply_handler(struct mpt_softc *mpt, request_t *req,
4977 uint32_t reply_desc, MSG_DEFAULT_REPLY *reply_frame)
4978{
4979 int dbg;
4980 union ccb *ccb;
4981 U16 status;
4982
4983 if (reply_frame == NULL) {
4984 /*
4985 * Figure out what the state of the command is.
4986 */
4987 mpt_tgt_state_t *tgt = MPT_TGT_STATE(mpt, req);
4988
4989#ifdef INVARIANTS
4990 mpt_req_spcl(mpt, req, "turbo scsi_tgt_reply", __LINE__);
4991 if (tgt->req) {
4992 mpt_req_not_spcl(mpt, tgt->req,
4993 "turbo scsi_tgt_reply associated req", __LINE__);
4994 }
4995#endif
4996 switch(tgt->state) {
4997 case TGT_STATE_LOADED:
4998 /*
4999 * This is a new command starting.
5000 */
5001 mpt_scsi_tgt_atio(mpt, req, reply_desc);
5002 break;
5003 case TGT_STATE_MOVING_DATA:
5004 {
5005 uint8_t *sp = NULL, sense[MPT_SENSE_SIZE];
5006
5007 ccb = tgt->ccb;
5008 if (tgt->req == NULL) {
5009 panic("mpt: turbo target reply with null "
5010 "associated request moving data");
5011 /* NOTREACHED */
5012 }
5013 if (ccb == NULL) {
5014 if (tgt->is_local == 0) {
5015 panic("mpt: turbo target reply with "
5016 "null associated ccb moving data");
5017 /* NOTREACHED */
5018 }
5019 mpt_lprt(mpt, MPT_PRT_DEBUG,
5020 "TARGET_ASSIST local done\n");
5021 TAILQ_REMOVE(&mpt->request_pending_list,
5022 tgt->req, links);
5023 mpt_free_request(mpt, tgt->req);
5024 tgt->req = NULL;
5025 mpt_scsi_tgt_status(mpt, NULL, req,
5026 0, NULL);
5027 return (TRUE);
5028 }
5029 tgt->ccb = NULL;
5030 tgt->nxfers++;
4627 }
4628 mpt_send_cmd(mpt, req);
4629}
4630
4631static void
4632mpt_scsi_tgt_tsk_mgmt(struct mpt_softc *mpt, request_t *req, mpt_task_mgmt_t fc,
4633 tgt_resource_t *trtp, int init_id)
4634{
4635 struct ccb_immed_notify *inot;
4636 mpt_tgt_state_t *tgt;
4637
4638 tgt = MPT_TGT_STATE(mpt, req);
4639 inot = (struct ccb_immed_notify *) STAILQ_FIRST(&trtp->inots);
4640 if (inot == NULL) {
4641 mpt_lprt(mpt, MPT_PRT_WARN, "no INOTSs- sending back BSY\n");
4642 mpt_scsi_tgt_status(mpt, NULL, req, SCSI_STATUS_BUSY, NULL);
4643 return;
4644 }
4645 STAILQ_REMOVE_HEAD(&trtp->inots, sim_links.stqe);
4646 mpt_lprt(mpt, MPT_PRT_DEBUG1,
4647 "Get FREE INOT %p lun %d\n", inot, inot->ccb_h.target_lun);
4648
4649 memset(&inot->sense_data, 0, sizeof (inot->sense_data));
4650 inot->sense_len = 0;
4651 memset(inot->message_args, 0, sizeof (inot->message_args));
4652 inot->initiator_id = init_id; /* XXX */
4653
4654 /*
4655 * This is a somewhat grotesque attempt to map from task management
4656 * to old style SCSI messages. God help us all.
4657 */
4658 switch (fc) {
4659 case MPT_ABORT_TASK_SET:
4660 inot->message_args[0] = MSG_ABORT_TAG;
4661 break;
4662 case MPT_CLEAR_TASK_SET:
4663 inot->message_args[0] = MSG_CLEAR_TASK_SET;
4664 break;
4665 case MPT_TARGET_RESET:
4666 inot->message_args[0] = MSG_TARGET_RESET;
4667 break;
4668 case MPT_CLEAR_ACA:
4669 inot->message_args[0] = MSG_CLEAR_ACA;
4670 break;
4671 case MPT_TERMINATE_TASK:
4672 inot->message_args[0] = MSG_ABORT_TAG;
4673 break;
4674 default:
4675 inot->message_args[0] = MSG_NOOP;
4676 break;
4677 }
4678 tgt->ccb = (union ccb *) inot;
4679 inot->ccb_h.status = CAM_MESSAGE_RECV|CAM_DEV_QFRZN;
4680 MPTLOCK_2_CAMLOCK(mpt);
4681 xpt_done((union ccb *)inot);
4682 CAMLOCK_2_MPTLOCK(mpt);
4683}
4684
4685static void
4686mpt_scsi_tgt_atio(struct mpt_softc *mpt, request_t *req, uint32_t reply_desc)
4687{
4688 static uint8_t null_iqd[SHORT_INQUIRY_LENGTH] = {
4689 0x7f, 0x00, 0x02, 0x02, 0x20, 0x00, 0x00, 0x32,
4690 'F', 'R', 'E', 'E', 'B', 'S', 'D', ' ',
4691 'L', 'S', 'I', '-', 'L', 'O', 'G', 'I',
4692 'C', ' ', 'N', 'U', 'L', 'D', 'E', 'V',
4693 '0', '0', '0', '1'
4694 };
4695 struct ccb_accept_tio *atiop;
4696 lun_id_t lun;
4697 int tag_action = 0;
4698 mpt_tgt_state_t *tgt;
4699 tgt_resource_t *trtp = NULL;
4700 U8 *lunptr;
4701 U8 *vbuf;
4702 U16 itag;
4703 U16 ioindex;
4704 mpt_task_mgmt_t fct = MPT_NIL_TMT_VALUE;
4705 uint8_t *cdbp;
4706
4707 /*
4708 * First, DMA sync the received command-
4709 * which is in the *request* * phys area.
4710 *
4711 * XXX: We could optimize this for a range
4712 */
4713 bus_dmamap_sync(mpt->request_dmat, mpt->request_dmap,
4714 BUS_DMASYNC_POSTREAD);
4715
4716 /*
4717 * Stash info for the current command where we can get at it later.
4718 */
4719 vbuf = req->req_vbuf;
4720 vbuf += MPT_RQSL(mpt);
4721
4722 /*
4723 * Get our state pointer set up.
4724 */
4725 tgt = MPT_TGT_STATE(mpt, req);
4726 if (tgt->state != TGT_STATE_LOADED) {
4727 mpt_tgt_dump_req_state(mpt, req);
4728 panic("bad target state in mpt_scsi_tgt_atio");
4729 }
4730 memset(tgt, 0, sizeof (mpt_tgt_state_t));
4731 tgt->state = TGT_STATE_IN_CAM;
4732 tgt->reply_desc = reply_desc;
4733 ioindex = GET_IO_INDEX(reply_desc);
4734 if (mpt->verbose >= MPT_PRT_DEBUG) {
4735 mpt_dump_data(mpt, "mpt_scsi_tgt_atio response", vbuf,
4736 max(sizeof (MPI_TARGET_FCP_CMD_BUFFER),
4737 max(sizeof (MPI_TARGET_SSP_CMD_BUFFER),
4738 sizeof (MPI_TARGET_SCSI_SPI_CMD_BUFFER))));
4739 }
4740 if (mpt->is_fc) {
4741 PTR_MPI_TARGET_FCP_CMD_BUFFER fc;
4742 fc = (PTR_MPI_TARGET_FCP_CMD_BUFFER) vbuf;
4743 if (fc->FcpCntl[2]) {
4744 /*
4745 * Task Management Request
4746 */
4747 switch (fc->FcpCntl[2]) {
4748 case 0x2:
4749 fct = MPT_ABORT_TASK_SET;
4750 break;
4751 case 0x4:
4752 fct = MPT_CLEAR_TASK_SET;
4753 break;
4754 case 0x20:
4755 fct = MPT_TARGET_RESET;
4756 break;
4757 case 0x40:
4758 fct = MPT_CLEAR_ACA;
4759 break;
4760 case 0x80:
4761 fct = MPT_TERMINATE_TASK;
4762 break;
4763 default:
4764 mpt_prt(mpt, "CORRUPTED TASK MGMT BITS: 0x%x\n",
4765 fc->FcpCntl[2]);
4766 mpt_scsi_tgt_status(mpt, 0, req,
4767 SCSI_STATUS_OK, 0);
4768 return;
4769 }
4770 } else {
4771 switch (fc->FcpCntl[1]) {
4772 case 0:
4773 tag_action = MSG_SIMPLE_Q_TAG;
4774 break;
4775 case 1:
4776 tag_action = MSG_HEAD_OF_Q_TAG;
4777 break;
4778 case 2:
4779 tag_action = MSG_ORDERED_Q_TAG;
4780 break;
4781 default:
4782 /*
4783 * Bah. Ignore Untagged Queing and ACA
4784 */
4785 tag_action = MSG_SIMPLE_Q_TAG;
4786 break;
4787 }
4788 }
4789 tgt->resid = be32toh(fc->FcpDl);
4790 cdbp = fc->FcpCdb;
4791 lunptr = fc->FcpLun;
4792 itag = be16toh(fc->OptionalOxid);
4793 } else if (mpt->is_sas) {
4794 PTR_MPI_TARGET_SSP_CMD_BUFFER ssp;
4795 ssp = (PTR_MPI_TARGET_SSP_CMD_BUFFER) vbuf;
4796 cdbp = ssp->CDB;
4797 lunptr = ssp->LogicalUnitNumber;
4798 itag = ssp->InitiatorTag;
4799 } else {
4800 PTR_MPI_TARGET_SCSI_SPI_CMD_BUFFER sp;
4801 sp = (PTR_MPI_TARGET_SCSI_SPI_CMD_BUFFER) vbuf;
4802 cdbp = sp->CDB;
4803 lunptr = sp->LogicalUnitNumber;
4804 itag = sp->Tag;
4805 }
4806
4807 /*
4808 * Generate a simple lun
4809 */
4810 switch (lunptr[0] & 0xc0) {
4811 case 0x40:
4812 lun = ((lunptr[0] & 0x3f) << 8) | lunptr[1];
4813 break;
4814 case 0:
4815 lun = lunptr[1];
4816 break;
4817 default:
4818 mpt_lprt(mpt, MPT_PRT_ERROR, "cannot handle this type lun\n");
4819 lun = 0xffff;
4820 break;
4821 }
4822
4823 /*
4824 * Deal with non-enabled or bad luns here.
4825 */
4826 if (lun >= MPT_MAX_LUNS || mpt->tenabled == 0 ||
4827 mpt->trt[lun].enabled == 0) {
4828 if (mpt->twildcard) {
4829 trtp = &mpt->trt_wildcard;
4830 } else if (fct == MPT_NIL_TMT_VALUE) {
4831 /*
4832 * In this case, we haven't got an upstream listener
4833 * for either a specific lun or wildcard luns. We
4834 * have to make some sensible response. For regular
4835 * inquiry, just return some NOT HERE inquiry data.
4836 * For VPD inquiry, report illegal field in cdb.
4837 * For REQUEST SENSE, just return NO SENSE data.
4838 * REPORT LUNS gets illegal command.
4839 * All other commands get 'no such device'.
4840 */
4841 uint8_t *sp, cond, buf[MPT_SENSE_SIZE];
4842 size_t len;
4843
4844 memset(buf, 0, MPT_SENSE_SIZE);
4845 cond = SCSI_STATUS_CHECK_COND;
4846 buf[0] = 0xf0;
4847 buf[2] = 0x5;
4848 buf[7] = 0x8;
4849 sp = buf;
4850 tgt->tag_id = MPT_MAKE_TAGID(mpt, req, ioindex);
4851
4852 switch (cdbp[0]) {
4853 case INQUIRY:
4854 {
4855 if (cdbp[1] != 0) {
4856 buf[12] = 0x26;
4857 buf[13] = 0x01;
4858 break;
4859 }
4860 len = min(tgt->resid, cdbp[4]);
4861 len = min(len, sizeof (null_iqd));
4862 mpt_lprt(mpt, MPT_PRT_DEBUG,
4863 "local inquiry %ld bytes\n", (long) len);
4864 mpt_scsi_tgt_local(mpt, req, lun, 1,
4865 null_iqd, len);
4866 return;
4867 }
4868 case REQUEST_SENSE:
4869 {
4870 buf[2] = 0x0;
4871 len = min(tgt->resid, cdbp[4]);
4872 len = min(len, sizeof (buf));
4873 mpt_lprt(mpt, MPT_PRT_DEBUG,
4874 "local reqsense %ld bytes\n", (long) len);
4875 mpt_scsi_tgt_local(mpt, req, lun, 1,
4876 buf, len);
4877 return;
4878 }
4879 case REPORT_LUNS:
4880 mpt_lprt(mpt, MPT_PRT_DEBUG, "REPORT LUNS\n");
4881 buf[12] = 0x26;
4882 return;
4883 default:
4884 mpt_lprt(mpt, MPT_PRT_DEBUG,
4885 "CMD 0x%x to unmanaged lun %u\n",
4886 cdbp[0], lun);
4887 buf[12] = 0x25;
4888 break;
4889 }
4890 mpt_scsi_tgt_status(mpt, NULL, req, cond, sp);
4891 return;
4892 }
4893 /* otherwise, leave trtp NULL */
4894 } else {
4895 trtp = &mpt->trt[lun];
4896 }
4897
4898 /*
4899 * Deal with any task management
4900 */
4901 if (fct != MPT_NIL_TMT_VALUE) {
4902 if (trtp == NULL) {
4903 mpt_prt(mpt, "task mgmt function %x but no listener\n",
4904 fct);
4905 mpt_scsi_tgt_status(mpt, 0, req,
4906 SCSI_STATUS_OK, 0);
4907 } else {
4908 mpt_scsi_tgt_tsk_mgmt(mpt, req, fct, trtp,
4909 GET_INITIATOR_INDEX(reply_desc));
4910 }
4911 return;
4912 }
4913
4914
4915 atiop = (struct ccb_accept_tio *) STAILQ_FIRST(&trtp->atios);
4916 if (atiop == NULL) {
4917 mpt_lprt(mpt, MPT_PRT_WARN,
4918 "no ATIOs for lun %u- sending back %s\n", lun,
4919 mpt->tenabled? "QUEUE FULL" : "BUSY");
4920 mpt_scsi_tgt_status(mpt, NULL, req,
4921 mpt->tenabled? SCSI_STATUS_QUEUE_FULL : SCSI_STATUS_BUSY,
4922 NULL);
4923 return;
4924 }
4925 STAILQ_REMOVE_HEAD(&trtp->atios, sim_links.stqe);
4926 mpt_lprt(mpt, MPT_PRT_DEBUG1,
4927 "Get FREE ATIO %p lun %d\n", atiop, atiop->ccb_h.target_lun);
4928 atiop->ccb_h.ccb_mpt_ptr = mpt;
4929 atiop->ccb_h.status = CAM_CDB_RECVD;
4930 atiop->ccb_h.target_lun = lun;
4931 atiop->sense_len = 0;
4932 atiop->init_id = GET_INITIATOR_INDEX(reply_desc);
4933 atiop->cdb_len = mpt_cdblen(cdbp[0], 16);
4934 memcpy(atiop->cdb_io.cdb_bytes, cdbp, atiop->cdb_len);
4935
4936 /*
4937 * The tag we construct here allows us to find the
4938 * original request that the command came in with.
4939 *
4940 * This way we don't have to depend on anything but the
4941 * tag to find things when CCBs show back up from CAM.
4942 */
4943 atiop->tag_id = MPT_MAKE_TAGID(mpt, req, ioindex);
4944 tgt->tag_id = atiop->tag_id;
4945 if (tag_action) {
4946 atiop->tag_action = tag_action;
4947 atiop->ccb_h.flags = CAM_TAG_ACTION_VALID;
4948 }
4949 if (mpt->verbose >= MPT_PRT_DEBUG) {
4950 int i;
4951 mpt_prt(mpt, "START_CCB %p for lun %u CDB=<", atiop,
4952 atiop->ccb_h.target_lun);
4953 for (i = 0; i < atiop->cdb_len; i++) {
4954 mpt_prtc(mpt, "%02x%c", cdbp[i] & 0xff,
4955 (i == (atiop->cdb_len - 1))? '>' : ' ');
4956 }
4957 mpt_prtc(mpt, " itag %x tag %x rdesc %x dl=%u\n",
4958 itag, atiop->tag_id, tgt->reply_desc, tgt->resid);
4959 }
4960
4961 MPTLOCK_2_CAMLOCK(mpt);
4962 xpt_done((union ccb *)atiop);
4963 CAMLOCK_2_MPTLOCK(mpt);
4964}
4965
4966static void
4967mpt_tgt_dump_tgt_state(struct mpt_softc *mpt, request_t *req)
4968{
4969 mpt_tgt_state_t *tgt = MPT_TGT_STATE(mpt, req);
4970
4971 mpt_prt(mpt, "req %p:%u tgt:rdesc 0x%x resid %u xfrd %u ccb %p treq %p "
4972 "nx %d tag 0x%08x state=%d\n", req, req->serno, tgt->reply_desc,
4973 tgt->resid, tgt->bytes_xfered, tgt->ccb, tgt->req, tgt->nxfers,
4974 tgt->tag_id, tgt->state);
4975}
4976
4977static void
4978mpt_tgt_dump_req_state(struct mpt_softc *mpt, request_t *req)
4979{
4980 mpt_prt(mpt, "req %p:%u index %u (%x) state %x\n", req, req->serno,
4981 req->index, req->index, req->state);
4982 mpt_tgt_dump_tgt_state(mpt, req);
4983}
4984
4985static int
4986mpt_scsi_tgt_reply_handler(struct mpt_softc *mpt, request_t *req,
4987 uint32_t reply_desc, MSG_DEFAULT_REPLY *reply_frame)
4988{
4989 int dbg;
4990 union ccb *ccb;
4991 U16 status;
4992
4993 if (reply_frame == NULL) {
4994 /*
4995 * Figure out what the state of the command is.
4996 */
4997 mpt_tgt_state_t *tgt = MPT_TGT_STATE(mpt, req);
4998
4999#ifdef INVARIANTS
5000 mpt_req_spcl(mpt, req, "turbo scsi_tgt_reply", __LINE__);
5001 if (tgt->req) {
5002 mpt_req_not_spcl(mpt, tgt->req,
5003 "turbo scsi_tgt_reply associated req", __LINE__);
5004 }
5005#endif
5006 switch(tgt->state) {
5007 case TGT_STATE_LOADED:
5008 /*
5009 * This is a new command starting.
5010 */
5011 mpt_scsi_tgt_atio(mpt, req, reply_desc);
5012 break;
5013 case TGT_STATE_MOVING_DATA:
5014 {
5015 uint8_t *sp = NULL, sense[MPT_SENSE_SIZE];
5016
5017 ccb = tgt->ccb;
5018 if (tgt->req == NULL) {
5019 panic("mpt: turbo target reply with null "
5020 "associated request moving data");
5021 /* NOTREACHED */
5022 }
5023 if (ccb == NULL) {
5024 if (tgt->is_local == 0) {
5025 panic("mpt: turbo target reply with "
5026 "null associated ccb moving data");
5027 /* NOTREACHED */
5028 }
5029 mpt_lprt(mpt, MPT_PRT_DEBUG,
5030 "TARGET_ASSIST local done\n");
5031 TAILQ_REMOVE(&mpt->request_pending_list,
5032 tgt->req, links);
5033 mpt_free_request(mpt, tgt->req);
5034 tgt->req = NULL;
5035 mpt_scsi_tgt_status(mpt, NULL, req,
5036 0, NULL);
5037 return (TRUE);
5038 }
5039 tgt->ccb = NULL;
5040 tgt->nxfers++;
5031 untimeout(mpt_timeout, ccb, ccb->ccb_h.timeout_ch);
5041 mpt_req_untimeout(req, mpt_timeout, ccb);
5032 mpt_lprt(mpt, MPT_PRT_DEBUG,
5033 "TARGET_ASSIST %p (req %p:%u) done tag 0x%x\n",
5034 ccb, tgt->req, tgt->req->serno, ccb->csio.tag_id);
5035 /*
5036 * Free the Target Assist Request
5037 */
5038 KASSERT(tgt->req->ccb == ccb,
5039 ("tgt->req %p:%u tgt->req->ccb %p", tgt->req,
5040 tgt->req->serno, tgt->req->ccb));
5041 TAILQ_REMOVE(&mpt->request_pending_list,
5042 tgt->req, links);
5043 mpt_free_request(mpt, tgt->req);
5044 tgt->req = NULL;
5045
5046 /*
5047 * Do we need to send status now? That is, are
5048 * we done with all our data transfers?
5049 */
5050 if ((ccb->ccb_h.flags & CAM_SEND_STATUS) == 0) {
5051 mpt_set_ccb_status(ccb, CAM_REQ_CMP);
5052 ccb->ccb_h.status &= ~CAM_SIM_QUEUED;
5053 KASSERT(ccb->ccb_h.status,
5054 ("zero ccb sts at %d\n", __LINE__));
5055 tgt->state = TGT_STATE_IN_CAM;
5056 if (mpt->outofbeer) {
5057 ccb->ccb_h.status |= CAM_RELEASE_SIMQ;
5058 mpt->outofbeer = 0;
5059 mpt_lprt(mpt, MPT_PRT_DEBUG, "THAWQ\n");
5060 }
5061 MPTLOCK_2_CAMLOCK(mpt);
5062 xpt_done(ccb);
5063 CAMLOCK_2_MPTLOCK(mpt);
5064 break;
5065 }
5066 /*
5067 * Otherwise, send status (and sense)
5068 */
5069 if (ccb->ccb_h.flags & CAM_SEND_SENSE) {
5070 sp = sense;
5071 memcpy(sp, &ccb->csio.sense_data,
5072 min(ccb->csio.sense_len, MPT_SENSE_SIZE));
5073 }
5074 mpt_scsi_tgt_status(mpt, ccb, req,
5075 ccb->csio.scsi_status, sp);
5076 break;
5077 }
5078 case TGT_STATE_SENDING_STATUS:
5079 case TGT_STATE_MOVING_DATA_AND_STATUS:
5080 {
5081 int ioindex;
5082 ccb = tgt->ccb;
5083
5084 if (tgt->req == NULL) {
5085 panic("mpt: turbo target reply with null "
5086 "associated request sending status");
5087 /* NOTREACHED */
5088 }
5089
5090 if (ccb) {
5091 tgt->ccb = NULL;
5092 if (tgt->state ==
5093 TGT_STATE_MOVING_DATA_AND_STATUS) {
5094 tgt->nxfers++;
5095 }
5042 mpt_lprt(mpt, MPT_PRT_DEBUG,
5043 "TARGET_ASSIST %p (req %p:%u) done tag 0x%x\n",
5044 ccb, tgt->req, tgt->req->serno, ccb->csio.tag_id);
5045 /*
5046 * Free the Target Assist Request
5047 */
5048 KASSERT(tgt->req->ccb == ccb,
5049 ("tgt->req %p:%u tgt->req->ccb %p", tgt->req,
5050 tgt->req->serno, tgt->req->ccb));
5051 TAILQ_REMOVE(&mpt->request_pending_list,
5052 tgt->req, links);
5053 mpt_free_request(mpt, tgt->req);
5054 tgt->req = NULL;
5055
5056 /*
5057 * Do we need to send status now? That is, are
5058 * we done with all our data transfers?
5059 */
5060 if ((ccb->ccb_h.flags & CAM_SEND_STATUS) == 0) {
5061 mpt_set_ccb_status(ccb, CAM_REQ_CMP);
5062 ccb->ccb_h.status &= ~CAM_SIM_QUEUED;
5063 KASSERT(ccb->ccb_h.status,
5064 ("zero ccb sts at %d\n", __LINE__));
5065 tgt->state = TGT_STATE_IN_CAM;
5066 if (mpt->outofbeer) {
5067 ccb->ccb_h.status |= CAM_RELEASE_SIMQ;
5068 mpt->outofbeer = 0;
5069 mpt_lprt(mpt, MPT_PRT_DEBUG, "THAWQ\n");
5070 }
5071 MPTLOCK_2_CAMLOCK(mpt);
5072 xpt_done(ccb);
5073 CAMLOCK_2_MPTLOCK(mpt);
5074 break;
5075 }
5076 /*
5077 * Otherwise, send status (and sense)
5078 */
5079 if (ccb->ccb_h.flags & CAM_SEND_SENSE) {
5080 sp = sense;
5081 memcpy(sp, &ccb->csio.sense_data,
5082 min(ccb->csio.sense_len, MPT_SENSE_SIZE));
5083 }
5084 mpt_scsi_tgt_status(mpt, ccb, req,
5085 ccb->csio.scsi_status, sp);
5086 break;
5087 }
5088 case TGT_STATE_SENDING_STATUS:
5089 case TGT_STATE_MOVING_DATA_AND_STATUS:
5090 {
5091 int ioindex;
5092 ccb = tgt->ccb;
5093
5094 if (tgt->req == NULL) {
5095 panic("mpt: turbo target reply with null "
5096 "associated request sending status");
5097 /* NOTREACHED */
5098 }
5099
5100 if (ccb) {
5101 tgt->ccb = NULL;
5102 if (tgt->state ==
5103 TGT_STATE_MOVING_DATA_AND_STATUS) {
5104 tgt->nxfers++;
5105 }
5096 untimeout(mpt_timeout, ccb,
5097 ccb->ccb_h.timeout_ch);
5106 mpt_req_untimeout(req, mpt_timeout, ccb);
5098 if (ccb->ccb_h.flags & CAM_SEND_SENSE) {
5099 ccb->ccb_h.status |= CAM_SENT_SENSE;
5100 }
5101 mpt_lprt(mpt, MPT_PRT_DEBUG,
5102 "TARGET_STATUS tag %x sts %x flgs %x req "
5103 "%p\n", ccb->csio.tag_id, ccb->ccb_h.status,
5104 ccb->ccb_h.flags, tgt->req);
5105 /*
5106 * Free the Target Send Status Request
5107 */
5108 KASSERT(tgt->req->ccb == ccb,
5109 ("tgt->req %p:%u tgt->req->ccb %p",
5110 tgt->req, tgt->req->serno, tgt->req->ccb));
5111 /*
5112 * Notify CAM that we're done
5113 */
5114 mpt_set_ccb_status(ccb, CAM_REQ_CMP);
5115 ccb->ccb_h.status &= ~CAM_SIM_QUEUED;
5116 KASSERT(ccb->ccb_h.status,
5117 ("ZERO ccb sts at %d\n", __LINE__));
5118 tgt->ccb = NULL;
5119 } else {
5120 mpt_lprt(mpt, MPT_PRT_DEBUG,
5121 "TARGET_STATUS non-CAM for req %p:%u\n",
5122 tgt->req, tgt->req->serno);
5123 }
5124 TAILQ_REMOVE(&mpt->request_pending_list,
5125 tgt->req, links);
5126 mpt_free_request(mpt, tgt->req);
5127 tgt->req = NULL;
5128
5129 /*
5130 * And re-post the Command Buffer.
5131 * This will reset the state.
5132 */
5133 ioindex = GET_IO_INDEX(reply_desc);
5134 TAILQ_REMOVE(&mpt->request_pending_list, req, links);
5135 tgt->is_local = 0;
5136 mpt_post_target_command(mpt, req, ioindex);
5137
5138 /*
5139 * And post a done for anyone who cares
5140 */
5141 if (ccb) {
5142 if (mpt->outofbeer) {
5143 ccb->ccb_h.status |= CAM_RELEASE_SIMQ;
5144 mpt->outofbeer = 0;
5145 mpt_lprt(mpt, MPT_PRT_DEBUG, "THAWQ\n");
5146 }
5147 MPTLOCK_2_CAMLOCK(mpt);
5148 xpt_done(ccb);
5149 CAMLOCK_2_MPTLOCK(mpt);
5150 }
5151 break;
5152 }
5153 case TGT_STATE_NIL: /* XXX This Never Happens XXX */
5154 tgt->state = TGT_STATE_LOADED;
5155 break;
5156 default:
5157 mpt_prt(mpt, "Unknown Target State 0x%x in Context "
5158 "Reply Function\n", tgt->state);
5159 }
5160 return (TRUE);
5161 }
5162
5163 status = le16toh(reply_frame->IOCStatus);
5164 if (status != MPI_IOCSTATUS_SUCCESS) {
5165 dbg = MPT_PRT_ERROR;
5166 } else {
5167 dbg = MPT_PRT_DEBUG1;
5168 }
5169
5170 mpt_lprt(mpt, dbg,
5171 "SCSI_TGT REPLY: req=%p:%u reply=%p func=%x IOCstatus 0x%x\n",
5172 req, req->serno, reply_frame, reply_frame->Function, status);
5173
5174 switch (reply_frame->Function) {
5175 case MPI_FUNCTION_TARGET_CMD_BUFFER_POST:
5176 {
5177 mpt_tgt_state_t *tgt;
5178#ifdef INVARIANTS
5179 mpt_req_spcl(mpt, req, "tgt reply BUFFER POST", __LINE__);
5180#endif
5181 if (status != MPI_IOCSTATUS_SUCCESS) {
5182 /*
5183 * XXX What to do?
5184 */
5185 break;
5186 }
5187 tgt = MPT_TGT_STATE(mpt, req);
5188 KASSERT(tgt->state == TGT_STATE_LOADING,
5189 ("bad state 0x%x on reply to buffer post\n", tgt->state));
5190 mpt_assign_serno(mpt, req);
5191 tgt->state = TGT_STATE_LOADED;
5192 break;
5193 }
5194 case MPI_FUNCTION_TARGET_ASSIST:
5195#ifdef INVARIANTS
5196 mpt_req_not_spcl(mpt, req, "tgt reply TARGET ASSIST", __LINE__);
5197#endif
5198 mpt_prt(mpt, "target assist completion\n");
5199 TAILQ_REMOVE(&mpt->request_pending_list, req, links);
5200 mpt_free_request(mpt, req);
5201 break;
5202 case MPI_FUNCTION_TARGET_STATUS_SEND:
5203#ifdef INVARIANTS
5204 mpt_req_not_spcl(mpt, req, "tgt reply STATUS SEND", __LINE__);
5205#endif
5206 mpt_prt(mpt, "status send completion\n");
5207 TAILQ_REMOVE(&mpt->request_pending_list, req, links);
5208 mpt_free_request(mpt, req);
5209 break;
5210 case MPI_FUNCTION_TARGET_MODE_ABORT:
5211 {
5212 PTR_MSG_TARGET_MODE_ABORT_REPLY abtrp =
5213 (PTR_MSG_TARGET_MODE_ABORT_REPLY) reply_frame;
5214 PTR_MSG_TARGET_MODE_ABORT abtp =
5215 (PTR_MSG_TARGET_MODE_ABORT) req->req_vbuf;
5216 uint32_t cc = GET_IO_INDEX(le32toh(abtp->ReplyWord));
5217#ifdef INVARIANTS
5218 mpt_req_not_spcl(mpt, req, "tgt reply TMODE ABORT", __LINE__);
5219#endif
5220 mpt_prt(mpt, "ABORT RX_ID 0x%x Complete; status 0x%x cnt %u\n",
5221 cc, le16toh(abtrp->IOCStatus), le32toh(abtrp->AbortCount));
5222 TAILQ_REMOVE(&mpt->request_pending_list, req, links);
5223 mpt_free_request(mpt, req);
5224 break;
5225 }
5226 default:
5227 mpt_prt(mpt, "Unknown Target Address Reply Function code: "
5228 "0x%x\n", reply_frame->Function);
5229 break;
5230 }
5231 return (TRUE);
5232}
5107 if (ccb->ccb_h.flags & CAM_SEND_SENSE) {
5108 ccb->ccb_h.status |= CAM_SENT_SENSE;
5109 }
5110 mpt_lprt(mpt, MPT_PRT_DEBUG,
5111 "TARGET_STATUS tag %x sts %x flgs %x req "
5112 "%p\n", ccb->csio.tag_id, ccb->ccb_h.status,
5113 ccb->ccb_h.flags, tgt->req);
5114 /*
5115 * Free the Target Send Status Request
5116 */
5117 KASSERT(tgt->req->ccb == ccb,
5118 ("tgt->req %p:%u tgt->req->ccb %p",
5119 tgt->req, tgt->req->serno, tgt->req->ccb));
5120 /*
5121 * Notify CAM that we're done
5122 */
5123 mpt_set_ccb_status(ccb, CAM_REQ_CMP);
5124 ccb->ccb_h.status &= ~CAM_SIM_QUEUED;
5125 KASSERT(ccb->ccb_h.status,
5126 ("ZERO ccb sts at %d\n", __LINE__));
5127 tgt->ccb = NULL;
5128 } else {
5129 mpt_lprt(mpt, MPT_PRT_DEBUG,
5130 "TARGET_STATUS non-CAM for req %p:%u\n",
5131 tgt->req, tgt->req->serno);
5132 }
5133 TAILQ_REMOVE(&mpt->request_pending_list,
5134 tgt->req, links);
5135 mpt_free_request(mpt, tgt->req);
5136 tgt->req = NULL;
5137
5138 /*
5139 * And re-post the Command Buffer.
5140 * This will reset the state.
5141 */
5142 ioindex = GET_IO_INDEX(reply_desc);
5143 TAILQ_REMOVE(&mpt->request_pending_list, req, links);
5144 tgt->is_local = 0;
5145 mpt_post_target_command(mpt, req, ioindex);
5146
5147 /*
5148 * And post a done for anyone who cares
5149 */
5150 if (ccb) {
5151 if (mpt->outofbeer) {
5152 ccb->ccb_h.status |= CAM_RELEASE_SIMQ;
5153 mpt->outofbeer = 0;
5154 mpt_lprt(mpt, MPT_PRT_DEBUG, "THAWQ\n");
5155 }
5156 MPTLOCK_2_CAMLOCK(mpt);
5157 xpt_done(ccb);
5158 CAMLOCK_2_MPTLOCK(mpt);
5159 }
5160 break;
5161 }
5162 case TGT_STATE_NIL: /* XXX This Never Happens XXX */
5163 tgt->state = TGT_STATE_LOADED;
5164 break;
5165 default:
5166 mpt_prt(mpt, "Unknown Target State 0x%x in Context "
5167 "Reply Function\n", tgt->state);
5168 }
5169 return (TRUE);
5170 }
5171
5172 status = le16toh(reply_frame->IOCStatus);
5173 if (status != MPI_IOCSTATUS_SUCCESS) {
5174 dbg = MPT_PRT_ERROR;
5175 } else {
5176 dbg = MPT_PRT_DEBUG1;
5177 }
5178
5179 mpt_lprt(mpt, dbg,
5180 "SCSI_TGT REPLY: req=%p:%u reply=%p func=%x IOCstatus 0x%x\n",
5181 req, req->serno, reply_frame, reply_frame->Function, status);
5182
5183 switch (reply_frame->Function) {
5184 case MPI_FUNCTION_TARGET_CMD_BUFFER_POST:
5185 {
5186 mpt_tgt_state_t *tgt;
5187#ifdef INVARIANTS
5188 mpt_req_spcl(mpt, req, "tgt reply BUFFER POST", __LINE__);
5189#endif
5190 if (status != MPI_IOCSTATUS_SUCCESS) {
5191 /*
5192 * XXX What to do?
5193 */
5194 break;
5195 }
5196 tgt = MPT_TGT_STATE(mpt, req);
5197 KASSERT(tgt->state == TGT_STATE_LOADING,
5198 ("bad state 0x%x on reply to buffer post\n", tgt->state));
5199 mpt_assign_serno(mpt, req);
5200 tgt->state = TGT_STATE_LOADED;
5201 break;
5202 }
5203 case MPI_FUNCTION_TARGET_ASSIST:
5204#ifdef INVARIANTS
5205 mpt_req_not_spcl(mpt, req, "tgt reply TARGET ASSIST", __LINE__);
5206#endif
5207 mpt_prt(mpt, "target assist completion\n");
5208 TAILQ_REMOVE(&mpt->request_pending_list, req, links);
5209 mpt_free_request(mpt, req);
5210 break;
5211 case MPI_FUNCTION_TARGET_STATUS_SEND:
5212#ifdef INVARIANTS
5213 mpt_req_not_spcl(mpt, req, "tgt reply STATUS SEND", __LINE__);
5214#endif
5215 mpt_prt(mpt, "status send completion\n");
5216 TAILQ_REMOVE(&mpt->request_pending_list, req, links);
5217 mpt_free_request(mpt, req);
5218 break;
5219 case MPI_FUNCTION_TARGET_MODE_ABORT:
5220 {
5221 PTR_MSG_TARGET_MODE_ABORT_REPLY abtrp =
5222 (PTR_MSG_TARGET_MODE_ABORT_REPLY) reply_frame;
5223 PTR_MSG_TARGET_MODE_ABORT abtp =
5224 (PTR_MSG_TARGET_MODE_ABORT) req->req_vbuf;
5225 uint32_t cc = GET_IO_INDEX(le32toh(abtp->ReplyWord));
5226#ifdef INVARIANTS
5227 mpt_req_not_spcl(mpt, req, "tgt reply TMODE ABORT", __LINE__);
5228#endif
5229 mpt_prt(mpt, "ABORT RX_ID 0x%x Complete; status 0x%x cnt %u\n",
5230 cc, le16toh(abtrp->IOCStatus), le32toh(abtrp->AbortCount));
5231 TAILQ_REMOVE(&mpt->request_pending_list, req, links);
5232 mpt_free_request(mpt, req);
5233 break;
5234 }
5235 default:
5236 mpt_prt(mpt, "Unknown Target Address Reply Function code: "
5237 "0x%x\n", reply_frame->Function);
5238 break;
5239 }
5240 return (TRUE);
5241}