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mfi_cam.c (235318) mfi_cam.c (242681)
1/*-
2 * Copyright 2007 Scott Long
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 *
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24 * SUCH DAMAGE.
25 */
26
27#include <sys/cdefs.h>
1/*-
2 * Copyright 2007 Scott Long
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 *
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24 * SUCH DAMAGE.
25 */
26
27#include <sys/cdefs.h>
28__FBSDID("$FreeBSD: head/sys/dev/mfi/mfi_cam.c 235318 2012-05-12 03:30:50Z sbruno $");
28__FBSDID("$FreeBSD: head/sys/dev/mfi/mfi_cam.c 242681 2012-11-06 23:25:06Z ambrisko $");
29
30#include "opt_mfi.h"
31
32#include <sys/param.h>
33#include <sys/systm.h>
34#include <sys/kernel.h>
35#include <sys/malloc.h>
36#include <sys/module.h>
37#include <sys/selinfo.h>
38#include <sys/bus.h>
39#include <sys/conf.h>
40#include <sys/eventhandler.h>
41#include <sys/rman.h>
42#include <sys/bus_dma.h>
43#include <sys/bio.h>
44#include <sys/ioccom.h>
45#include <sys/uio.h>
46#include <sys/proc.h>
47#include <sys/signalvar.h>
48#include <sys/sysctl.h>
49
50#include <cam/cam.h>
51#include <cam/cam_ccb.h>
52#include <cam/cam_debug.h>
53#include <cam/cam_sim.h>
54#include <cam/cam_xpt_sim.h>
55#include <cam/scsi/scsi_all.h>
56#include <cam/scsi/scsi_message.h>
57
58#include <machine/md_var.h>
59#include <machine/bus.h>
60#include <machine/resource.h>
61
62#include <dev/mfi/mfireg.h>
63#include <dev/mfi/mfi_ioctl.h>
64#include <dev/mfi/mfivar.h>
65
66struct mfip_softc {
67 device_t dev;
68 struct mfi_softc *mfi_sc;
69 struct cam_devq *devq;
70 struct cam_sim *sim;
71 struct cam_path *path;
72};
73
74static int mfip_probe(device_t);
75static int mfip_attach(device_t);
76static int mfip_detach(device_t);
77static void mfip_cam_action(struct cam_sim *, union ccb *);
78static void mfip_cam_poll(struct cam_sim *);
79static struct mfi_command * mfip_start(void *);
80static void mfip_done(struct mfi_command *cm);
81
29
30#include "opt_mfi.h"
31
32#include <sys/param.h>
33#include <sys/systm.h>
34#include <sys/kernel.h>
35#include <sys/malloc.h>
36#include <sys/module.h>
37#include <sys/selinfo.h>
38#include <sys/bus.h>
39#include <sys/conf.h>
40#include <sys/eventhandler.h>
41#include <sys/rman.h>
42#include <sys/bus_dma.h>
43#include <sys/bio.h>
44#include <sys/ioccom.h>
45#include <sys/uio.h>
46#include <sys/proc.h>
47#include <sys/signalvar.h>
48#include <sys/sysctl.h>
49
50#include <cam/cam.h>
51#include <cam/cam_ccb.h>
52#include <cam/cam_debug.h>
53#include <cam/cam_sim.h>
54#include <cam/cam_xpt_sim.h>
55#include <cam/scsi/scsi_all.h>
56#include <cam/scsi/scsi_message.h>
57
58#include <machine/md_var.h>
59#include <machine/bus.h>
60#include <machine/resource.h>
61
62#include <dev/mfi/mfireg.h>
63#include <dev/mfi/mfi_ioctl.h>
64#include <dev/mfi/mfivar.h>
65
66struct mfip_softc {
67 device_t dev;
68 struct mfi_softc *mfi_sc;
69 struct cam_devq *devq;
70 struct cam_sim *sim;
71 struct cam_path *path;
72};
73
74static int mfip_probe(device_t);
75static int mfip_attach(device_t);
76static int mfip_detach(device_t);
77static void mfip_cam_action(struct cam_sim *, union ccb *);
78static void mfip_cam_poll(struct cam_sim *);
79static struct mfi_command * mfip_start(void *);
80static void mfip_done(struct mfi_command *cm);
81
82static int mfi_allow_disks = 0;
83TUNABLE_INT("hw.mfi.allow_cam_disk_passthrough", &mfi_allow_disks);
84SYSCTL_INT(_hw_mfi, OID_AUTO, allow_cam_disk_passthrough, CTLFLAG_RD,
85 &mfi_allow_disks, 0, "event message locale");
86
82static devclass_t mfip_devclass;
83static device_method_t mfip_methods[] = {
84 DEVMETHOD(device_probe, mfip_probe),
85 DEVMETHOD(device_attach, mfip_attach),
86 DEVMETHOD(device_detach, mfip_detach),
87 {0, 0}
88};
89static driver_t mfip_driver = {
90 "mfip",
91 mfip_methods,
92 sizeof(struct mfip_softc)
93};
94DRIVER_MODULE(mfip, mfi, mfip_driver, mfip_devclass, 0, 0);
95MODULE_DEPEND(mfip, cam, 1, 1, 1);
96MODULE_DEPEND(mfip, mfi, 1, 1, 1);
97
98#define ccb_mfip_ptr sim_priv.entries[0].ptr
99
100static int
101mfip_probe(device_t dev)
102{
103
104 device_set_desc(dev, "SCSI Passthrough Bus");
105 return (0);
106}
107
108static int
109mfip_attach(device_t dev)
110{
111 struct mfip_softc *sc;
112 struct mfi_softc *mfisc;
113
114 sc = device_get_softc(dev);
115 if (sc == NULL)
116 return (EINVAL);
117
118 mfisc = device_get_softc(device_get_parent(dev));
119 sc->dev = dev;
120 sc->mfi_sc = mfisc;
121 mfisc->mfi_cam_start = mfip_start;
122
123 if ((sc->devq = cam_simq_alloc(MFI_SCSI_MAX_CMDS)) == NULL)
124 return (ENOMEM);
125
126 sc->sim = cam_sim_alloc(mfip_cam_action, mfip_cam_poll, "mfi", sc,
127 device_get_unit(dev), &mfisc->mfi_io_lock, 1,
128 MFI_SCSI_MAX_CMDS, sc->devq);
129 if (sc->sim == NULL) {
130 cam_simq_free(sc->devq);
131 device_printf(dev, "CAM SIM attach failed\n");
132 return (EINVAL);
133 }
134
135 mtx_lock(&mfisc->mfi_io_lock);
136 if (xpt_bus_register(sc->sim, dev, 0) != 0) {
137 device_printf(dev, "XPT bus registration failed\n");
138 cam_sim_free(sc->sim, FALSE);
139 cam_simq_free(sc->devq);
140 mtx_unlock(&mfisc->mfi_io_lock);
141 return (EINVAL);
142 }
143 mtx_unlock(&mfisc->mfi_io_lock);
144
145 return (0);
146}
147
148static int
149mfip_detach(device_t dev)
150{
151 struct mfip_softc *sc;
152
153 sc = device_get_softc(dev);
154 if (sc == NULL)
155 return (EINVAL);
156
157 if (sc->sim != NULL) {
158 mtx_lock(&sc->mfi_sc->mfi_io_lock);
159 xpt_bus_deregister(cam_sim_path(sc->sim));
160 cam_sim_free(sc->sim, FALSE);
161 mtx_unlock(&sc->mfi_sc->mfi_io_lock);
162 }
163
164 if (sc->devq != NULL)
165 cam_simq_free(sc->devq);
166
167 return (0);
168}
169
170static void
171mfip_cam_action(struct cam_sim *sim, union ccb *ccb)
172{
173 struct mfip_softc *sc = cam_sim_softc(sim);
174 struct mfi_softc *mfisc = sc->mfi_sc;
175
176 mtx_assert(&mfisc->mfi_io_lock, MA_OWNED);
177
178 switch (ccb->ccb_h.func_code) {
179 case XPT_PATH_INQ:
180 {
181 struct ccb_pathinq *cpi = &ccb->cpi;
182
183 cpi->version_num = 1;
184 cpi->hba_inquiry = PI_SDTR_ABLE|PI_TAG_ABLE|PI_WIDE_16;
185 cpi->target_sprt = 0;
186 cpi->hba_misc = PIM_NOBUSRESET|PIM_SEQSCAN;
187 cpi->hba_eng_cnt = 0;
188 cpi->max_target = MFI_SCSI_MAX_TARGETS;
189 cpi->max_lun = MFI_SCSI_MAX_LUNS;
190 cpi->initiator_id = MFI_SCSI_INITIATOR_ID;
191 strncpy(cpi->sim_vid, "FreeBSD", SIM_IDLEN);
192 strncpy(cpi->hba_vid, "LSI", HBA_IDLEN);
193 strncpy(cpi->dev_name, cam_sim_name(sim), DEV_IDLEN);
194 cpi->unit_number = cam_sim_unit(sim);
195 cpi->bus_id = cam_sim_bus(sim);
196 cpi->base_transfer_speed = 150000;
197 cpi->transport = XPORT_SAS;
198 cpi->transport_version = 0;
199 cpi->protocol = PROTO_SCSI;
200 cpi->protocol_version = SCSI_REV_2;
201 cpi->ccb_h.status = CAM_REQ_CMP;
202 break;
203 }
204 case XPT_RESET_BUS:
205 ccb->ccb_h.status = CAM_REQ_CMP;
206 break;
207 case XPT_RESET_DEV:
208 ccb->ccb_h.status = CAM_REQ_CMP;
209 break;
210 case XPT_GET_TRAN_SETTINGS:
211 {
212 struct ccb_trans_settings_sas *sas =
213 &ccb->cts.xport_specific.sas;
214
215 ccb->cts.protocol = PROTO_SCSI;
216 ccb->cts.protocol_version = SCSI_REV_2;
217 ccb->cts.transport = XPORT_SAS;
218 ccb->cts.transport_version = 0;
219
220 sas->valid &= ~CTS_SAS_VALID_SPEED;
221 sas->bitrate = 150000;
222
223 ccb->ccb_h.status = CAM_REQ_CMP;
224 break;
225 }
226 case XPT_SET_TRAN_SETTINGS:
227 ccb->ccb_h.status = CAM_FUNC_NOTAVAIL;
228 break;
229 case XPT_SCSI_IO:
230 {
231 struct ccb_hdr *ccbh = &ccb->ccb_h;
232 struct ccb_scsiio *csio = &ccb->csio;
233
234 ccbh->status = CAM_REQ_INPROG;
235 if (csio->cdb_len > MFI_SCSI_MAX_CDB_LEN) {
236 ccbh->status = CAM_REQ_INVALID;
237 break;
238 }
239 if ((ccbh->flags & CAM_DIR_MASK) != CAM_DIR_NONE) {
240 if (ccbh->flags & CAM_DATA_PHYS) {
241 ccbh->status = CAM_REQ_INVALID;
242 break;
243 }
244 if (ccbh->flags & CAM_SCATTER_VALID) {
245 ccbh->status = CAM_REQ_INVALID;
246 break;
247 }
248 }
249
250 ccbh->ccb_mfip_ptr = sc;
251 TAILQ_INSERT_TAIL(&mfisc->mfi_cam_ccbq, ccbh, sim_links.tqe);
252 mfi_startio(mfisc);
253 return;
254 }
255 default:
256 ccb->ccb_h.status = CAM_REQ_INVALID;
257 break;
258 }
259
260 xpt_done(ccb);
261 return;
262}
263
264static struct mfi_command *
265mfip_start(void *data)
266{
267 union ccb *ccb = data;
268 struct ccb_hdr *ccbh = &ccb->ccb_h;
269 struct ccb_scsiio *csio = &ccb->csio;
270 struct mfip_softc *sc;
271 struct mfi_pass_frame *pt;
272 struct mfi_command *cm;
273 uint32_t context = 0;
274
275 sc = ccbh->ccb_mfip_ptr;
276
277 if ((cm = mfi_dequeue_free(sc->mfi_sc)) == NULL)
278 return (NULL);
279
280 /* Zero out the MFI frame */
281 context = cm->cm_frame->header.context;
282 bzero(cm->cm_frame, sizeof(union mfi_frame));
283 cm->cm_frame->header.context = context;
284
285 pt = &cm->cm_frame->pass;
286 pt->header.cmd = MFI_CMD_PD_SCSI_IO;
287 pt->header.cmd_status = 0;
288 pt->header.scsi_status = 0;
289 pt->header.target_id = ccbh->target_id;
290 pt->header.lun_id = ccbh->target_lun;
291 pt->header.flags = 0;
292 pt->header.timeout = 0;
293 pt->header.data_len = csio->dxfer_len;
294 pt->header.sense_len = MFI_SENSE_LEN;
295 pt->header.cdb_len = csio->cdb_len;
296 pt->sense_addr_lo = (uint32_t)cm->cm_sense_busaddr;
297 pt->sense_addr_hi = (uint32_t)((uint64_t)cm->cm_sense_busaddr >> 32);
298 if (ccbh->flags & CAM_CDB_POINTER)
299 bcopy(csio->cdb_io.cdb_ptr, &pt->cdb[0], csio->cdb_len);
300 else
301 bcopy(csio->cdb_io.cdb_bytes, &pt->cdb[0], csio->cdb_len);
302 cm->cm_complete = mfip_done;
303 cm->cm_private = ccb;
304 cm->cm_sg = &pt->sgl;
305 cm->cm_total_frame_size = MFI_PASS_FRAME_SIZE;
306 cm->cm_data = csio->data_ptr;
307 cm->cm_len = csio->dxfer_len;
308 switch (ccbh->flags & CAM_DIR_MASK) {
309 case CAM_DIR_IN:
310 cm->cm_flags = MFI_CMD_DATAIN;
311 break;
312 case CAM_DIR_OUT:
313 cm->cm_flags = MFI_CMD_DATAOUT;
314 break;
315 case CAM_DIR_NONE:
316 default:
317 cm->cm_data = NULL;
318 cm->cm_len = 0;
319 cm->cm_flags = 0;
320 break;
321 }
322
323 TAILQ_REMOVE(&sc->mfi_sc->mfi_cam_ccbq, ccbh, sim_links.tqe);
324 return (cm);
325}
326
327static void
328mfip_done(struct mfi_command *cm)
329{
330 union ccb *ccb = cm->cm_private;
331 struct ccb_hdr *ccbh = &ccb->ccb_h;
332 struct ccb_scsiio *csio = &ccb->csio;
333 struct mfip_softc *sc;
334 struct mfi_pass_frame *pt;
335
336 sc = ccbh->ccb_mfip_ptr;
337 pt = &cm->cm_frame->pass;
338
339 switch (pt->header.cmd_status) {
340 case MFI_STAT_OK:
341 {
342 uint8_t command, device;
343
344 ccbh->status = CAM_REQ_CMP;
345 csio->scsi_status = pt->header.scsi_status;
346 if (ccbh->flags & CAM_CDB_POINTER)
347 command = csio->cdb_io.cdb_ptr[0];
348 else
349 command = csio->cdb_io.cdb_bytes[0];
350 if (command == INQUIRY) {
351 device = csio->data_ptr[0] & 0x1f;
87static devclass_t mfip_devclass;
88static device_method_t mfip_methods[] = {
89 DEVMETHOD(device_probe, mfip_probe),
90 DEVMETHOD(device_attach, mfip_attach),
91 DEVMETHOD(device_detach, mfip_detach),
92 {0, 0}
93};
94static driver_t mfip_driver = {
95 "mfip",
96 mfip_methods,
97 sizeof(struct mfip_softc)
98};
99DRIVER_MODULE(mfip, mfi, mfip_driver, mfip_devclass, 0, 0);
100MODULE_DEPEND(mfip, cam, 1, 1, 1);
101MODULE_DEPEND(mfip, mfi, 1, 1, 1);
102
103#define ccb_mfip_ptr sim_priv.entries[0].ptr
104
105static int
106mfip_probe(device_t dev)
107{
108
109 device_set_desc(dev, "SCSI Passthrough Bus");
110 return (0);
111}
112
113static int
114mfip_attach(device_t dev)
115{
116 struct mfip_softc *sc;
117 struct mfi_softc *mfisc;
118
119 sc = device_get_softc(dev);
120 if (sc == NULL)
121 return (EINVAL);
122
123 mfisc = device_get_softc(device_get_parent(dev));
124 sc->dev = dev;
125 sc->mfi_sc = mfisc;
126 mfisc->mfi_cam_start = mfip_start;
127
128 if ((sc->devq = cam_simq_alloc(MFI_SCSI_MAX_CMDS)) == NULL)
129 return (ENOMEM);
130
131 sc->sim = cam_sim_alloc(mfip_cam_action, mfip_cam_poll, "mfi", sc,
132 device_get_unit(dev), &mfisc->mfi_io_lock, 1,
133 MFI_SCSI_MAX_CMDS, sc->devq);
134 if (sc->sim == NULL) {
135 cam_simq_free(sc->devq);
136 device_printf(dev, "CAM SIM attach failed\n");
137 return (EINVAL);
138 }
139
140 mtx_lock(&mfisc->mfi_io_lock);
141 if (xpt_bus_register(sc->sim, dev, 0) != 0) {
142 device_printf(dev, "XPT bus registration failed\n");
143 cam_sim_free(sc->sim, FALSE);
144 cam_simq_free(sc->devq);
145 mtx_unlock(&mfisc->mfi_io_lock);
146 return (EINVAL);
147 }
148 mtx_unlock(&mfisc->mfi_io_lock);
149
150 return (0);
151}
152
153static int
154mfip_detach(device_t dev)
155{
156 struct mfip_softc *sc;
157
158 sc = device_get_softc(dev);
159 if (sc == NULL)
160 return (EINVAL);
161
162 if (sc->sim != NULL) {
163 mtx_lock(&sc->mfi_sc->mfi_io_lock);
164 xpt_bus_deregister(cam_sim_path(sc->sim));
165 cam_sim_free(sc->sim, FALSE);
166 mtx_unlock(&sc->mfi_sc->mfi_io_lock);
167 }
168
169 if (sc->devq != NULL)
170 cam_simq_free(sc->devq);
171
172 return (0);
173}
174
175static void
176mfip_cam_action(struct cam_sim *sim, union ccb *ccb)
177{
178 struct mfip_softc *sc = cam_sim_softc(sim);
179 struct mfi_softc *mfisc = sc->mfi_sc;
180
181 mtx_assert(&mfisc->mfi_io_lock, MA_OWNED);
182
183 switch (ccb->ccb_h.func_code) {
184 case XPT_PATH_INQ:
185 {
186 struct ccb_pathinq *cpi = &ccb->cpi;
187
188 cpi->version_num = 1;
189 cpi->hba_inquiry = PI_SDTR_ABLE|PI_TAG_ABLE|PI_WIDE_16;
190 cpi->target_sprt = 0;
191 cpi->hba_misc = PIM_NOBUSRESET|PIM_SEQSCAN;
192 cpi->hba_eng_cnt = 0;
193 cpi->max_target = MFI_SCSI_MAX_TARGETS;
194 cpi->max_lun = MFI_SCSI_MAX_LUNS;
195 cpi->initiator_id = MFI_SCSI_INITIATOR_ID;
196 strncpy(cpi->sim_vid, "FreeBSD", SIM_IDLEN);
197 strncpy(cpi->hba_vid, "LSI", HBA_IDLEN);
198 strncpy(cpi->dev_name, cam_sim_name(sim), DEV_IDLEN);
199 cpi->unit_number = cam_sim_unit(sim);
200 cpi->bus_id = cam_sim_bus(sim);
201 cpi->base_transfer_speed = 150000;
202 cpi->transport = XPORT_SAS;
203 cpi->transport_version = 0;
204 cpi->protocol = PROTO_SCSI;
205 cpi->protocol_version = SCSI_REV_2;
206 cpi->ccb_h.status = CAM_REQ_CMP;
207 break;
208 }
209 case XPT_RESET_BUS:
210 ccb->ccb_h.status = CAM_REQ_CMP;
211 break;
212 case XPT_RESET_DEV:
213 ccb->ccb_h.status = CAM_REQ_CMP;
214 break;
215 case XPT_GET_TRAN_SETTINGS:
216 {
217 struct ccb_trans_settings_sas *sas =
218 &ccb->cts.xport_specific.sas;
219
220 ccb->cts.protocol = PROTO_SCSI;
221 ccb->cts.protocol_version = SCSI_REV_2;
222 ccb->cts.transport = XPORT_SAS;
223 ccb->cts.transport_version = 0;
224
225 sas->valid &= ~CTS_SAS_VALID_SPEED;
226 sas->bitrate = 150000;
227
228 ccb->ccb_h.status = CAM_REQ_CMP;
229 break;
230 }
231 case XPT_SET_TRAN_SETTINGS:
232 ccb->ccb_h.status = CAM_FUNC_NOTAVAIL;
233 break;
234 case XPT_SCSI_IO:
235 {
236 struct ccb_hdr *ccbh = &ccb->ccb_h;
237 struct ccb_scsiio *csio = &ccb->csio;
238
239 ccbh->status = CAM_REQ_INPROG;
240 if (csio->cdb_len > MFI_SCSI_MAX_CDB_LEN) {
241 ccbh->status = CAM_REQ_INVALID;
242 break;
243 }
244 if ((ccbh->flags & CAM_DIR_MASK) != CAM_DIR_NONE) {
245 if (ccbh->flags & CAM_DATA_PHYS) {
246 ccbh->status = CAM_REQ_INVALID;
247 break;
248 }
249 if (ccbh->flags & CAM_SCATTER_VALID) {
250 ccbh->status = CAM_REQ_INVALID;
251 break;
252 }
253 }
254
255 ccbh->ccb_mfip_ptr = sc;
256 TAILQ_INSERT_TAIL(&mfisc->mfi_cam_ccbq, ccbh, sim_links.tqe);
257 mfi_startio(mfisc);
258 return;
259 }
260 default:
261 ccb->ccb_h.status = CAM_REQ_INVALID;
262 break;
263 }
264
265 xpt_done(ccb);
266 return;
267}
268
269static struct mfi_command *
270mfip_start(void *data)
271{
272 union ccb *ccb = data;
273 struct ccb_hdr *ccbh = &ccb->ccb_h;
274 struct ccb_scsiio *csio = &ccb->csio;
275 struct mfip_softc *sc;
276 struct mfi_pass_frame *pt;
277 struct mfi_command *cm;
278 uint32_t context = 0;
279
280 sc = ccbh->ccb_mfip_ptr;
281
282 if ((cm = mfi_dequeue_free(sc->mfi_sc)) == NULL)
283 return (NULL);
284
285 /* Zero out the MFI frame */
286 context = cm->cm_frame->header.context;
287 bzero(cm->cm_frame, sizeof(union mfi_frame));
288 cm->cm_frame->header.context = context;
289
290 pt = &cm->cm_frame->pass;
291 pt->header.cmd = MFI_CMD_PD_SCSI_IO;
292 pt->header.cmd_status = 0;
293 pt->header.scsi_status = 0;
294 pt->header.target_id = ccbh->target_id;
295 pt->header.lun_id = ccbh->target_lun;
296 pt->header.flags = 0;
297 pt->header.timeout = 0;
298 pt->header.data_len = csio->dxfer_len;
299 pt->header.sense_len = MFI_SENSE_LEN;
300 pt->header.cdb_len = csio->cdb_len;
301 pt->sense_addr_lo = (uint32_t)cm->cm_sense_busaddr;
302 pt->sense_addr_hi = (uint32_t)((uint64_t)cm->cm_sense_busaddr >> 32);
303 if (ccbh->flags & CAM_CDB_POINTER)
304 bcopy(csio->cdb_io.cdb_ptr, &pt->cdb[0], csio->cdb_len);
305 else
306 bcopy(csio->cdb_io.cdb_bytes, &pt->cdb[0], csio->cdb_len);
307 cm->cm_complete = mfip_done;
308 cm->cm_private = ccb;
309 cm->cm_sg = &pt->sgl;
310 cm->cm_total_frame_size = MFI_PASS_FRAME_SIZE;
311 cm->cm_data = csio->data_ptr;
312 cm->cm_len = csio->dxfer_len;
313 switch (ccbh->flags & CAM_DIR_MASK) {
314 case CAM_DIR_IN:
315 cm->cm_flags = MFI_CMD_DATAIN;
316 break;
317 case CAM_DIR_OUT:
318 cm->cm_flags = MFI_CMD_DATAOUT;
319 break;
320 case CAM_DIR_NONE:
321 default:
322 cm->cm_data = NULL;
323 cm->cm_len = 0;
324 cm->cm_flags = 0;
325 break;
326 }
327
328 TAILQ_REMOVE(&sc->mfi_sc->mfi_cam_ccbq, ccbh, sim_links.tqe);
329 return (cm);
330}
331
332static void
333mfip_done(struct mfi_command *cm)
334{
335 union ccb *ccb = cm->cm_private;
336 struct ccb_hdr *ccbh = &ccb->ccb_h;
337 struct ccb_scsiio *csio = &ccb->csio;
338 struct mfip_softc *sc;
339 struct mfi_pass_frame *pt;
340
341 sc = ccbh->ccb_mfip_ptr;
342 pt = &cm->cm_frame->pass;
343
344 switch (pt->header.cmd_status) {
345 case MFI_STAT_OK:
346 {
347 uint8_t command, device;
348
349 ccbh->status = CAM_REQ_CMP;
350 csio->scsi_status = pt->header.scsi_status;
351 if (ccbh->flags & CAM_CDB_POINTER)
352 command = csio->cdb_io.cdb_ptr[0];
353 else
354 command = csio->cdb_io.cdb_bytes[0];
355 if (command == INQUIRY) {
356 device = csio->data_ptr[0] & 0x1f;
352 if ((device == T_DIRECT) || (device == T_PROCESSOR))
357 if ((!mfi_allow_disks && device == T_DIRECT) ||
358 (device == T_PROCESSOR))
353 csio->data_ptr[0] =
354 (csio->data_ptr[0] & 0xe0) | T_NODEVICE;
355 }
356 break;
357 }
358 case MFI_STAT_SCSI_DONE_WITH_ERROR:
359 {
360 int sense_len;
361
362 ccbh->status = CAM_SCSI_STATUS_ERROR | CAM_AUTOSNS_VALID;
363 csio->scsi_status = pt->header.scsi_status;
364 if (pt->header.sense_len < csio->sense_len)
365 csio->sense_resid = csio->sense_len -
366 pt->header.sense_len;
367 else
368 csio->sense_resid = 0;
369 sense_len = min(pt->header.sense_len,
370 sizeof(struct scsi_sense_data));
371 bzero(&csio->sense_data, sizeof(struct scsi_sense_data));
372 bcopy(&cm->cm_sense->data[0], &csio->sense_data, sense_len);
373 break;
374 }
375 case MFI_STAT_DEVICE_NOT_FOUND:
376 ccbh->status = CAM_SEL_TIMEOUT;
377 break;
378 case MFI_STAT_SCSI_IO_FAILED:
379 ccbh->status = CAM_REQ_CMP_ERR;
380 csio->scsi_status = pt->header.scsi_status;
381 break;
382 default:
383 ccbh->status = CAM_REQ_CMP_ERR;
384 csio->scsi_status = pt->header.scsi_status;
385 break;
386 }
387
388 mfi_release_command(cm);
389 xpt_done(ccb);
390}
391
392static void
393mfip_cam_poll(struct cam_sim *sim)
394{
359 csio->data_ptr[0] =
360 (csio->data_ptr[0] & 0xe0) | T_NODEVICE;
361 }
362 break;
363 }
364 case MFI_STAT_SCSI_DONE_WITH_ERROR:
365 {
366 int sense_len;
367
368 ccbh->status = CAM_SCSI_STATUS_ERROR | CAM_AUTOSNS_VALID;
369 csio->scsi_status = pt->header.scsi_status;
370 if (pt->header.sense_len < csio->sense_len)
371 csio->sense_resid = csio->sense_len -
372 pt->header.sense_len;
373 else
374 csio->sense_resid = 0;
375 sense_len = min(pt->header.sense_len,
376 sizeof(struct scsi_sense_data));
377 bzero(&csio->sense_data, sizeof(struct scsi_sense_data));
378 bcopy(&cm->cm_sense->data[0], &csio->sense_data, sense_len);
379 break;
380 }
381 case MFI_STAT_DEVICE_NOT_FOUND:
382 ccbh->status = CAM_SEL_TIMEOUT;
383 break;
384 case MFI_STAT_SCSI_IO_FAILED:
385 ccbh->status = CAM_REQ_CMP_ERR;
386 csio->scsi_status = pt->header.scsi_status;
387 break;
388 default:
389 ccbh->status = CAM_REQ_CMP_ERR;
390 csio->scsi_status = pt->header.scsi_status;
391 break;
392 }
393
394 mfi_release_command(cm);
395 xpt_done(ccb);
396}
397
398static void
399mfip_cam_poll(struct cam_sim *sim)
400{
395 return;
401 struct mfip_softc *sc = cam_sim_softc(sim);
402 struct mfi_softc *mfisc = sc->mfi_sc;
403
404 mfisc->mfi_intr_ptr(mfisc);
396}
397
405}
406