1/*
2 * Copyright (c) 2015, AVAGO Tech. All rights reserved. Author: Marian Choy
3 * Copyright (c) 2014, LSI Corp. All rights reserved. Author: Marian Choy
4 * Support: freebsdraid@avagotech.com
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions are
8 * met:
9 *
10 * 1. Redistributions of source code must retain the above copyright notice,
11 * this list of conditions and the following disclaimer. 2. Redistributions
12 * in binary form must reproduce the above copyright notice, this list of
13 * conditions and the following disclaimer in the documentation and/or other
14 * materials provided with the distribution. 3. Neither the name of the
15 * <ORGANIZATION> nor the names of its contributors may be used to endorse or
16 * promote products derived from this software without specific prior written
17 * permission.
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
20 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
22 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
23 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
29 * POSSIBILITY OF SUCH DAMAGE.
30 *
31 */
32
33#include <sys/cdefs.h>
| 1/*
2 * Copyright (c) 2015, AVAGO Tech. All rights reserved. Author: Marian Choy
3 * Copyright (c) 2014, LSI Corp. All rights reserved. Author: Marian Choy
4 * Support: freebsdraid@avagotech.com
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions are
8 * met:
9 *
10 * 1. Redistributions of source code must retain the above copyright notice,
11 * this list of conditions and the following disclaimer. 2. Redistributions
12 * in binary form must reproduce the above copyright notice, this list of
13 * conditions and the following disclaimer in the documentation and/or other
14 * materials provided with the distribution. 3. Neither the name of the
15 * <ORGANIZATION> nor the names of its contributors may be used to endorse or
16 * promote products derived from this software without specific prior written
17 * permission.
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
20 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
22 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
23 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
29 * POSSIBILITY OF SUCH DAMAGE.
30 *
31 */
32
33#include <sys/cdefs.h>
|
34__FBSDID("$FreeBSD: head/sys/dev/mrsas/mrsas_cam.c 282532 2015-05-06 10:45:56Z kadesai $");
| 34__FBSDID("$FreeBSD: head/sys/dev/mrsas/mrsas_cam.c 282533 2015-05-06 10:46:28Z kadesai $");
|
35
36#include "dev/mrsas/mrsas.h"
37
38#include <cam/cam.h>
39#include <cam/cam_ccb.h>
40#include <cam/cam_sim.h>
41#include <cam/cam_xpt_sim.h>
42#include <cam/cam_debug.h>
43#include <cam/cam_periph.h>
44#include <cam/cam_xpt_periph.h>
45
46#include <cam/scsi/scsi_all.h>
47#include <cam/scsi/scsi_message.h>
48#include <sys/taskqueue.h>
49#include <sys/kernel.h>
50
51
52#include <sys/time.h> /* XXX for pcpu.h */
53#include <sys/pcpu.h> /* XXX for PCPU_GET */
54
55#define smp_processor_id() PCPU_GET(cpuid)
56
57/*
58 * Function prototypes
59 */
60int mrsas_cam_attach(struct mrsas_softc *sc);
| 35
36#include "dev/mrsas/mrsas.h"
37
38#include <cam/cam.h>
39#include <cam/cam_ccb.h>
40#include <cam/cam_sim.h>
41#include <cam/cam_xpt_sim.h>
42#include <cam/cam_debug.h>
43#include <cam/cam_periph.h>
44#include <cam/cam_xpt_periph.h>
45
46#include <cam/scsi/scsi_all.h>
47#include <cam/scsi/scsi_message.h>
48#include <sys/taskqueue.h>
49#include <sys/kernel.h>
50
51
52#include <sys/time.h> /* XXX for pcpu.h */
53#include <sys/pcpu.h> /* XXX for PCPU_GET */
54
55#define smp_processor_id() PCPU_GET(cpuid)
56
57/*
58 * Function prototypes
59 */
60int mrsas_cam_attach(struct mrsas_softc *sc);
|
61int mrsas_find_io_type(struct cam_sim *sim, union ccb *ccb);
| 61int mrsas_find_io_type(struct cam_sim *sim, union ccb *ccb);
|
62int mrsas_bus_scan(struct mrsas_softc *sc);
63int mrsas_bus_scan_sim(struct mrsas_softc *sc, struct cam_sim *sim);
| 62int mrsas_bus_scan(struct mrsas_softc *sc);
63int mrsas_bus_scan_sim(struct mrsas_softc *sc, struct cam_sim *sim);
|
64int mrsas_map_request(struct mrsas_softc *sc,
65 struct mrsas_mpt_cmd *cmd, union ccb *ccb);
| |
66int
| 64int
|
| 65mrsas_map_request(struct mrsas_softc *sc,
66 struct mrsas_mpt_cmd *cmd, union ccb *ccb);
67int
|
67mrsas_build_ldio(struct mrsas_softc *sc, struct mrsas_mpt_cmd *cmd,
68 union ccb *ccb);
| 68mrsas_build_ldio(struct mrsas_softc *sc, struct mrsas_mpt_cmd *cmd,
69 union ccb *ccb);
|
69int
| 70int
|
70mrsas_build_dcdb(struct mrsas_softc *sc, struct mrsas_mpt_cmd *cmd,
71 union ccb *ccb, struct cam_sim *sim);
| 71mrsas_build_dcdb(struct mrsas_softc *sc, struct mrsas_mpt_cmd *cmd,
72 union ccb *ccb, struct cam_sim *sim);
|
72int
| 73int
|
73mrsas_setup_io(struct mrsas_softc *sc, struct mrsas_mpt_cmd *cmd,
74 union ccb *ccb, u_int32_t device_id,
75 MRSAS_RAID_SCSI_IO_REQUEST * io_request);
76void mrsas_xpt_freeze(struct mrsas_softc *sc);
77void mrsas_xpt_release(struct mrsas_softc *sc);
78void mrsas_cam_detach(struct mrsas_softc *sc);
79void mrsas_release_mpt_cmd(struct mrsas_mpt_cmd *cmd);
80void mrsas_unmap_request(struct mrsas_softc *sc, struct mrsas_mpt_cmd *cmd);
81void mrsas_cmd_done(struct mrsas_softc *sc, struct mrsas_mpt_cmd *cmd);
| 74mrsas_setup_io(struct mrsas_softc *sc, struct mrsas_mpt_cmd *cmd,
75 union ccb *ccb, u_int32_t device_id,
76 MRSAS_RAID_SCSI_IO_REQUEST * io_request);
77void mrsas_xpt_freeze(struct mrsas_softc *sc);
78void mrsas_xpt_release(struct mrsas_softc *sc);
79void mrsas_cam_detach(struct mrsas_softc *sc);
80void mrsas_release_mpt_cmd(struct mrsas_mpt_cmd *cmd);
81void mrsas_unmap_request(struct mrsas_softc *sc, struct mrsas_mpt_cmd *cmd);
82void mrsas_cmd_done(struct mrsas_softc *sc, struct mrsas_mpt_cmd *cmd);
|
82void
| 83void
|
83mrsas_fire_cmd(struct mrsas_softc *sc, u_int32_t req_desc_lo,
84 u_int32_t req_desc_hi);
| 84mrsas_fire_cmd(struct mrsas_softc *sc, u_int32_t req_desc_lo,
85 u_int32_t req_desc_hi);
|
85void
| 86void
|
86mrsas_set_pd_lba(MRSAS_RAID_SCSI_IO_REQUEST * io_request,
87 u_int8_t cdb_len, struct IO_REQUEST_INFO *io_info, union ccb *ccb,
88 MR_DRV_RAID_MAP_ALL * local_map_ptr, u_int32_t ref_tag,
89 u_int32_t ld_block_size);
90static void mrsas_freeze_simq(struct mrsas_mpt_cmd *cmd, struct cam_sim *sim);
91static void mrsas_cam_poll(struct cam_sim *sim);
92static void mrsas_action(struct cam_sim *sim, union ccb *ccb);
93static void mrsas_scsiio_timeout(void *data);
| 87mrsas_set_pd_lba(MRSAS_RAID_SCSI_IO_REQUEST * io_request,
88 u_int8_t cdb_len, struct IO_REQUEST_INFO *io_info, union ccb *ccb,
89 MR_DRV_RAID_MAP_ALL * local_map_ptr, u_int32_t ref_tag,
90 u_int32_t ld_block_size);
91static void mrsas_freeze_simq(struct mrsas_mpt_cmd *cmd, struct cam_sim *sim);
92static void mrsas_cam_poll(struct cam_sim *sim);
93static void mrsas_action(struct cam_sim *sim, union ccb *ccb);
94static void mrsas_scsiio_timeout(void *data);
|
94static void
| 95static void
|
95mrsas_data_load_cb(void *arg, bus_dma_segment_t *segs,
96 int nseg, int error);
| 96mrsas_data_load_cb(void *arg, bus_dma_segment_t *segs,
97 int nseg, int error);
|
97static int32_t
| 98static int32_t
|
98mrsas_startio(struct mrsas_softc *sc, struct cam_sim *sim,
99 union ccb *ccb);
100struct mrsas_mpt_cmd *mrsas_get_mpt_cmd(struct mrsas_softc *sc);
101MRSAS_REQUEST_DESCRIPTOR_UNION *
102 mrsas_get_request_desc(struct mrsas_softc *sc, u_int16_t index);
103
104extern u_int16_t MR_TargetIdToLdGet(u_int32_t ldTgtId, MR_DRV_RAID_MAP_ALL * map);
105extern u_int32_t
106MR_LdBlockSizeGet(u_int32_t ldTgtId, MR_DRV_RAID_MAP_ALL * map,
107 struct mrsas_softc *sc);
108extern void mrsas_isr(void *arg);
109extern void mrsas_aen_handler(struct mrsas_softc *sc);
110extern u_int8_t
111MR_BuildRaidContext(struct mrsas_softc *sc,
112 struct IO_REQUEST_INFO *io_info, RAID_CONTEXT * pRAID_Context,
113 MR_DRV_RAID_MAP_ALL * map);
114extern u_int16_t
115MR_LdSpanArrayGet(u_int32_t ld, u_int32_t span,
116 MR_DRV_RAID_MAP_ALL * map);
| 99mrsas_startio(struct mrsas_softc *sc, struct cam_sim *sim,
100 union ccb *ccb);
101struct mrsas_mpt_cmd *mrsas_get_mpt_cmd(struct mrsas_softc *sc);
102MRSAS_REQUEST_DESCRIPTOR_UNION *
103 mrsas_get_request_desc(struct mrsas_softc *sc, u_int16_t index);
104
105extern u_int16_t MR_TargetIdToLdGet(u_int32_t ldTgtId, MR_DRV_RAID_MAP_ALL * map);
106extern u_int32_t
107MR_LdBlockSizeGet(u_int32_t ldTgtId, MR_DRV_RAID_MAP_ALL * map,
108 struct mrsas_softc *sc);
109extern void mrsas_isr(void *arg);
110extern void mrsas_aen_handler(struct mrsas_softc *sc);
111extern u_int8_t
112MR_BuildRaidContext(struct mrsas_softc *sc,
113 struct IO_REQUEST_INFO *io_info, RAID_CONTEXT * pRAID_Context,
114 MR_DRV_RAID_MAP_ALL * map);
115extern u_int16_t
116MR_LdSpanArrayGet(u_int32_t ld, u_int32_t span,
117 MR_DRV_RAID_MAP_ALL * map);
|
117extern u_int16_t mrsas_get_updated_dev_handle(struct mrsas_softc *sc,
118 PLD_LOAD_BALANCE_INFO lbInfo, struct IO_REQUEST_INFO *io_info);
| 118extern u_int16_t
119mrsas_get_updated_dev_handle(struct mrsas_softc *sc,
120 PLD_LOAD_BALANCE_INFO lbInfo, struct IO_REQUEST_INFO *io_info);
|
119extern u_int8_t
120megasas_get_best_arm(PLD_LOAD_BALANCE_INFO lbInfo, u_int8_t arm,
121 u_int64_t block, u_int32_t count);
122
123
124/*
125 * mrsas_cam_attach: Main entry to CAM subsystem
126 * input: Adapter instance soft state
127 *
128 * This function is called from mrsas_attach() during initialization to perform
129 * SIM allocations and XPT bus registration. If the kernel version is 7.4 or
130 * earlier, it would also initiate a bus scan.
131 */
132int
133mrsas_cam_attach(struct mrsas_softc *sc)
134{
135 struct cam_devq *devq;
136 int mrsas_cam_depth;
137
138 mrsas_cam_depth = sc->max_fw_cmds - MRSAS_INTERNAL_CMDS;
139
140 if ((devq = cam_simq_alloc(mrsas_cam_depth)) == NULL) {
141 device_printf(sc->mrsas_dev, "Cannot allocate SIM queue\n");
142 return (ENOMEM);
143 }
144 /*
145 * Create SIM for bus 0 and register, also create path
146 */
147 sc->sim_0 = cam_sim_alloc(mrsas_action, mrsas_cam_poll, "mrsas", sc,
148 device_get_unit(sc->mrsas_dev), &sc->sim_lock, mrsas_cam_depth,
149 mrsas_cam_depth, devq);
150 if (sc->sim_0 == NULL) {
151 cam_simq_free(devq);
152 device_printf(sc->mrsas_dev, "Cannot register SIM\n");
153 return (ENXIO);
154 }
155 /* Initialize taskqueue for Event Handling */
156 TASK_INIT(&sc->ev_task, 0, (void *)mrsas_aen_handler, sc);
157 sc->ev_tq = taskqueue_create("mrsas_taskq", M_NOWAIT | M_ZERO,
158 taskqueue_thread_enqueue, &sc->ev_tq);
159
160 /* Run the task queue with lowest priority */
161 taskqueue_start_threads(&sc->ev_tq, 1, 255, "%s taskq",
162 device_get_nameunit(sc->mrsas_dev));
163 mtx_lock(&sc->sim_lock);
164 if (xpt_bus_register(sc->sim_0, sc->mrsas_dev, 0) != CAM_SUCCESS) {
165 cam_sim_free(sc->sim_0, TRUE); /* passing true frees the devq */
166 mtx_unlock(&sc->sim_lock);
167 return (ENXIO);
168 }
169 if (xpt_create_path(&sc->path_0, NULL, cam_sim_path(sc->sim_0),
170 CAM_TARGET_WILDCARD, CAM_LUN_WILDCARD) != CAM_REQ_CMP) {
171 xpt_bus_deregister(cam_sim_path(sc->sim_0));
172 cam_sim_free(sc->sim_0, TRUE); /* passing true will free the
173 * devq */
174 mtx_unlock(&sc->sim_lock);
175 return (ENXIO);
176 }
177 mtx_unlock(&sc->sim_lock);
178
179 /*
180 * Create SIM for bus 1 and register, also create path
181 */
182 sc->sim_1 = cam_sim_alloc(mrsas_action, mrsas_cam_poll, "mrsas", sc,
183 device_get_unit(sc->mrsas_dev), &sc->sim_lock, mrsas_cam_depth,
184 mrsas_cam_depth, devq);
185 if (sc->sim_1 == NULL) {
186 cam_simq_free(devq);
187 device_printf(sc->mrsas_dev, "Cannot register SIM\n");
188 return (ENXIO);
189 }
190 mtx_lock(&sc->sim_lock);
191 if (xpt_bus_register(sc->sim_1, sc->mrsas_dev, 1) != CAM_SUCCESS) {
192 cam_sim_free(sc->sim_1, TRUE); /* passing true frees the devq */
193 mtx_unlock(&sc->sim_lock);
194 return (ENXIO);
195 }
196 if (xpt_create_path(&sc->path_1, NULL, cam_sim_path(sc->sim_1),
197 CAM_TARGET_WILDCARD,
198 CAM_LUN_WILDCARD) != CAM_REQ_CMP) {
199 xpt_bus_deregister(cam_sim_path(sc->sim_1));
200 cam_sim_free(sc->sim_1, TRUE);
201 mtx_unlock(&sc->sim_lock);
202 return (ENXIO);
203 }
204 mtx_unlock(&sc->sim_lock);
205
206#if (__FreeBSD_version <= 704000)
207 if (mrsas_bus_scan(sc)) {
208 device_printf(sc->mrsas_dev, "Error in bus scan.\n");
209 return (1);
210 }
211#endif
212 return (0);
213}
214
215/*
216 * mrsas_cam_detach: De-allocates and teardown CAM
217 * input: Adapter instance soft state
218 *
219 * De-registers and frees the paths and SIMs.
220 */
221void
222mrsas_cam_detach(struct mrsas_softc *sc)
223{
224 if (sc->ev_tq != NULL)
225 taskqueue_free(sc->ev_tq);
226 mtx_lock(&sc->sim_lock);
227 if (sc->path_0)
228 xpt_free_path(sc->path_0);
229 if (sc->sim_0) {
230 xpt_bus_deregister(cam_sim_path(sc->sim_0));
231 cam_sim_free(sc->sim_0, FALSE);
232 }
233 if (sc->path_1)
234 xpt_free_path(sc->path_1);
235 if (sc->sim_1) {
236 xpt_bus_deregister(cam_sim_path(sc->sim_1));
237 cam_sim_free(sc->sim_1, TRUE);
238 }
239 mtx_unlock(&sc->sim_lock);
240}
241
242/*
243 * mrsas_action: SIM callback entry point
244 * input: pointer to SIM pointer to CAM Control Block
245 *
246 * This function processes CAM subsystem requests. The type of request is stored
247 * in ccb->ccb_h.func_code. The preprocessor #ifdef is necessary because
248 * ccb->cpi.maxio is not supported for FreeBSD version 7.4 or earlier.
249 */
250static void
251mrsas_action(struct cam_sim *sim, union ccb *ccb)
252{
253 struct mrsas_softc *sc = (struct mrsas_softc *)cam_sim_softc(sim);
254 struct ccb_hdr *ccb_h = &(ccb->ccb_h);
255 u_int32_t device_id;
256
257 switch (ccb->ccb_h.func_code) {
258 case XPT_SCSI_IO:
259 {
260 device_id = ccb_h->target_id;
261
262 /*
263 * bus 0 is LD, bus 1 is for system-PD
264 */
265 if (cam_sim_bus(sim) == 1 &&
266 sc->pd_list[device_id].driveState != MR_PD_STATE_SYSTEM) {
267 ccb->ccb_h.status |= CAM_DEV_NOT_THERE;
268 xpt_done(ccb);
269 } else {
270 if (mrsas_startio(sc, sim, ccb)) {
271 ccb->ccb_h.status |= CAM_REQ_INVALID;
272 xpt_done(ccb);
273 }
274 }
275 break;
276 }
277 case XPT_ABORT:
278 {
279 ccb->ccb_h.status = CAM_UA_ABORT;
280 xpt_done(ccb);
281 break;
282 }
283 case XPT_RESET_BUS:
284 {
285 xpt_done(ccb);
286 break;
287 }
288 case XPT_GET_TRAN_SETTINGS:
289 {
290 ccb->cts.protocol = PROTO_SCSI;
291 ccb->cts.protocol_version = SCSI_REV_2;
292 ccb->cts.transport = XPORT_SPI;
293 ccb->cts.transport_version = 2;
294 ccb->cts.xport_specific.spi.valid = CTS_SPI_VALID_DISC;
295 ccb->cts.xport_specific.spi.flags = CTS_SPI_FLAGS_DISC_ENB;
296 ccb->cts.proto_specific.scsi.valid = CTS_SCSI_VALID_TQ;
297 ccb->cts.proto_specific.scsi.flags = CTS_SCSI_FLAGS_TAG_ENB;
298 ccb->ccb_h.status = CAM_REQ_CMP;
299 xpt_done(ccb);
300 break;
301 }
302 case XPT_SET_TRAN_SETTINGS:
303 {
304 ccb->ccb_h.status = CAM_FUNC_NOTAVAIL;
305 xpt_done(ccb);
306 break;
307 }
308 case XPT_CALC_GEOMETRY:
309 {
310 cam_calc_geometry(&ccb->ccg, 1);
311 xpt_done(ccb);
312 break;
313 }
314 case XPT_PATH_INQ:
315 {
316 ccb->cpi.version_num = 1;
317 ccb->cpi.hba_inquiry = 0;
318 ccb->cpi.target_sprt = 0;
319#if (__FreeBSD_version >= 902001)
320 ccb->cpi.hba_misc = PIM_UNMAPPED;
321#else
322 ccb->cpi.hba_misc = 0;
323#endif
324 ccb->cpi.hba_eng_cnt = 0;
325 ccb->cpi.max_lun = MRSAS_SCSI_MAX_LUNS;
326 ccb->cpi.unit_number = cam_sim_unit(sim);
327 ccb->cpi.bus_id = cam_sim_bus(sim);
328 ccb->cpi.initiator_id = MRSAS_SCSI_INITIATOR_ID;
329 ccb->cpi.base_transfer_speed = 150000;
330 strncpy(ccb->cpi.sim_vid, "FreeBSD", SIM_IDLEN);
331 strncpy(ccb->cpi.hba_vid, "AVAGO", HBA_IDLEN);
332 strncpy(ccb->cpi.dev_name, cam_sim_name(sim), DEV_IDLEN);
333 ccb->cpi.transport = XPORT_SPI;
334 ccb->cpi.transport_version = 2;
335 ccb->cpi.protocol = PROTO_SCSI;
336 ccb->cpi.protocol_version = SCSI_REV_2;
337 if (ccb->cpi.bus_id == 0)
338 ccb->cpi.max_target = MRSAS_MAX_PD - 1;
339 else
340 ccb->cpi.max_target = MRSAS_MAX_LD_IDS - 1;
341#if (__FreeBSD_version > 704000)
342 ccb->cpi.maxio = MRSAS_MAX_IO_SIZE;
343#endif
344 ccb->ccb_h.status = CAM_REQ_CMP;
345 xpt_done(ccb);
346 break;
347 }
348 default:
349 {
350 ccb->ccb_h.status = CAM_REQ_INVALID;
351 xpt_done(ccb);
352 break;
353 }
354 }
355}
356
357/*
358 * mrsas_scsiio_timeout: Callback function for IO timed out
359 * input: mpt command context
360 *
361 * This function will execute after timeout value provided by ccb header from
362 * CAM layer, if timer expires. Driver will run timer for all DCDM and LDIO
363 * comming from CAM layer. This function is callback function for IO timeout
364 * and it runs in no-sleep context. Set do_timedout_reset in Adapter context
365 * so that it will execute OCR/Kill adpter from ocr_thread context.
366 */
367static void
368mrsas_scsiio_timeout(void *data)
369{
370 struct mrsas_mpt_cmd *cmd;
371 struct mrsas_softc *sc;
372
373 cmd = (struct mrsas_mpt_cmd *)data;
374 sc = cmd->sc;
375
376 if (cmd->ccb_ptr == NULL) {
377 printf("command timeout with NULL ccb\n");
378 return;
379 }
380 /*
381 * Below callout is dummy entry so that it will be cancelled from
382 * mrsas_cmd_done(). Now Controller will go to OCR/Kill Adapter based
383 * on OCR enable/disable property of Controller from ocr_thread
384 * context.
385 */
386#if (__FreeBSD_version >= 1000510)
387 callout_reset_sbt(&cmd->cm_callout, SBT_1S * 600, 0,
| 121extern u_int8_t
122megasas_get_best_arm(PLD_LOAD_BALANCE_INFO lbInfo, u_int8_t arm,
123 u_int64_t block, u_int32_t count);
124
125
126/*
127 * mrsas_cam_attach: Main entry to CAM subsystem
128 * input: Adapter instance soft state
129 *
130 * This function is called from mrsas_attach() during initialization to perform
131 * SIM allocations and XPT bus registration. If the kernel version is 7.4 or
132 * earlier, it would also initiate a bus scan.
133 */
134int
135mrsas_cam_attach(struct mrsas_softc *sc)
136{
137 struct cam_devq *devq;
138 int mrsas_cam_depth;
139
140 mrsas_cam_depth = sc->max_fw_cmds - MRSAS_INTERNAL_CMDS;
141
142 if ((devq = cam_simq_alloc(mrsas_cam_depth)) == NULL) {
143 device_printf(sc->mrsas_dev, "Cannot allocate SIM queue\n");
144 return (ENOMEM);
145 }
146 /*
147 * Create SIM for bus 0 and register, also create path
148 */
149 sc->sim_0 = cam_sim_alloc(mrsas_action, mrsas_cam_poll, "mrsas", sc,
150 device_get_unit(sc->mrsas_dev), &sc->sim_lock, mrsas_cam_depth,
151 mrsas_cam_depth, devq);
152 if (sc->sim_0 == NULL) {
153 cam_simq_free(devq);
154 device_printf(sc->mrsas_dev, "Cannot register SIM\n");
155 return (ENXIO);
156 }
157 /* Initialize taskqueue for Event Handling */
158 TASK_INIT(&sc->ev_task, 0, (void *)mrsas_aen_handler, sc);
159 sc->ev_tq = taskqueue_create("mrsas_taskq", M_NOWAIT | M_ZERO,
160 taskqueue_thread_enqueue, &sc->ev_tq);
161
162 /* Run the task queue with lowest priority */
163 taskqueue_start_threads(&sc->ev_tq, 1, 255, "%s taskq",
164 device_get_nameunit(sc->mrsas_dev));
165 mtx_lock(&sc->sim_lock);
166 if (xpt_bus_register(sc->sim_0, sc->mrsas_dev, 0) != CAM_SUCCESS) {
167 cam_sim_free(sc->sim_0, TRUE); /* passing true frees the devq */
168 mtx_unlock(&sc->sim_lock);
169 return (ENXIO);
170 }
171 if (xpt_create_path(&sc->path_0, NULL, cam_sim_path(sc->sim_0),
172 CAM_TARGET_WILDCARD, CAM_LUN_WILDCARD) != CAM_REQ_CMP) {
173 xpt_bus_deregister(cam_sim_path(sc->sim_0));
174 cam_sim_free(sc->sim_0, TRUE); /* passing true will free the
175 * devq */
176 mtx_unlock(&sc->sim_lock);
177 return (ENXIO);
178 }
179 mtx_unlock(&sc->sim_lock);
180
181 /*
182 * Create SIM for bus 1 and register, also create path
183 */
184 sc->sim_1 = cam_sim_alloc(mrsas_action, mrsas_cam_poll, "mrsas", sc,
185 device_get_unit(sc->mrsas_dev), &sc->sim_lock, mrsas_cam_depth,
186 mrsas_cam_depth, devq);
187 if (sc->sim_1 == NULL) {
188 cam_simq_free(devq);
189 device_printf(sc->mrsas_dev, "Cannot register SIM\n");
190 return (ENXIO);
191 }
192 mtx_lock(&sc->sim_lock);
193 if (xpt_bus_register(sc->sim_1, sc->mrsas_dev, 1) != CAM_SUCCESS) {
194 cam_sim_free(sc->sim_1, TRUE); /* passing true frees the devq */
195 mtx_unlock(&sc->sim_lock);
196 return (ENXIO);
197 }
198 if (xpt_create_path(&sc->path_1, NULL, cam_sim_path(sc->sim_1),
199 CAM_TARGET_WILDCARD,
200 CAM_LUN_WILDCARD) != CAM_REQ_CMP) {
201 xpt_bus_deregister(cam_sim_path(sc->sim_1));
202 cam_sim_free(sc->sim_1, TRUE);
203 mtx_unlock(&sc->sim_lock);
204 return (ENXIO);
205 }
206 mtx_unlock(&sc->sim_lock);
207
208#if (__FreeBSD_version <= 704000)
209 if (mrsas_bus_scan(sc)) {
210 device_printf(sc->mrsas_dev, "Error in bus scan.\n");
211 return (1);
212 }
213#endif
214 return (0);
215}
216
217/*
218 * mrsas_cam_detach: De-allocates and teardown CAM
219 * input: Adapter instance soft state
220 *
221 * De-registers and frees the paths and SIMs.
222 */
223void
224mrsas_cam_detach(struct mrsas_softc *sc)
225{
226 if (sc->ev_tq != NULL)
227 taskqueue_free(sc->ev_tq);
228 mtx_lock(&sc->sim_lock);
229 if (sc->path_0)
230 xpt_free_path(sc->path_0);
231 if (sc->sim_0) {
232 xpt_bus_deregister(cam_sim_path(sc->sim_0));
233 cam_sim_free(sc->sim_0, FALSE);
234 }
235 if (sc->path_1)
236 xpt_free_path(sc->path_1);
237 if (sc->sim_1) {
238 xpt_bus_deregister(cam_sim_path(sc->sim_1));
239 cam_sim_free(sc->sim_1, TRUE);
240 }
241 mtx_unlock(&sc->sim_lock);
242}
243
244/*
245 * mrsas_action: SIM callback entry point
246 * input: pointer to SIM pointer to CAM Control Block
247 *
248 * This function processes CAM subsystem requests. The type of request is stored
249 * in ccb->ccb_h.func_code. The preprocessor #ifdef is necessary because
250 * ccb->cpi.maxio is not supported for FreeBSD version 7.4 or earlier.
251 */
252static void
253mrsas_action(struct cam_sim *sim, union ccb *ccb)
254{
255 struct mrsas_softc *sc = (struct mrsas_softc *)cam_sim_softc(sim);
256 struct ccb_hdr *ccb_h = &(ccb->ccb_h);
257 u_int32_t device_id;
258
259 switch (ccb->ccb_h.func_code) {
260 case XPT_SCSI_IO:
261 {
262 device_id = ccb_h->target_id;
263
264 /*
265 * bus 0 is LD, bus 1 is for system-PD
266 */
267 if (cam_sim_bus(sim) == 1 &&
268 sc->pd_list[device_id].driveState != MR_PD_STATE_SYSTEM) {
269 ccb->ccb_h.status |= CAM_DEV_NOT_THERE;
270 xpt_done(ccb);
271 } else {
272 if (mrsas_startio(sc, sim, ccb)) {
273 ccb->ccb_h.status |= CAM_REQ_INVALID;
274 xpt_done(ccb);
275 }
276 }
277 break;
278 }
279 case XPT_ABORT:
280 {
281 ccb->ccb_h.status = CAM_UA_ABORT;
282 xpt_done(ccb);
283 break;
284 }
285 case XPT_RESET_BUS:
286 {
287 xpt_done(ccb);
288 break;
289 }
290 case XPT_GET_TRAN_SETTINGS:
291 {
292 ccb->cts.protocol = PROTO_SCSI;
293 ccb->cts.protocol_version = SCSI_REV_2;
294 ccb->cts.transport = XPORT_SPI;
295 ccb->cts.transport_version = 2;
296 ccb->cts.xport_specific.spi.valid = CTS_SPI_VALID_DISC;
297 ccb->cts.xport_specific.spi.flags = CTS_SPI_FLAGS_DISC_ENB;
298 ccb->cts.proto_specific.scsi.valid = CTS_SCSI_VALID_TQ;
299 ccb->cts.proto_specific.scsi.flags = CTS_SCSI_FLAGS_TAG_ENB;
300 ccb->ccb_h.status = CAM_REQ_CMP;
301 xpt_done(ccb);
302 break;
303 }
304 case XPT_SET_TRAN_SETTINGS:
305 {
306 ccb->ccb_h.status = CAM_FUNC_NOTAVAIL;
307 xpt_done(ccb);
308 break;
309 }
310 case XPT_CALC_GEOMETRY:
311 {
312 cam_calc_geometry(&ccb->ccg, 1);
313 xpt_done(ccb);
314 break;
315 }
316 case XPT_PATH_INQ:
317 {
318 ccb->cpi.version_num = 1;
319 ccb->cpi.hba_inquiry = 0;
320 ccb->cpi.target_sprt = 0;
321#if (__FreeBSD_version >= 902001)
322 ccb->cpi.hba_misc = PIM_UNMAPPED;
323#else
324 ccb->cpi.hba_misc = 0;
325#endif
326 ccb->cpi.hba_eng_cnt = 0;
327 ccb->cpi.max_lun = MRSAS_SCSI_MAX_LUNS;
328 ccb->cpi.unit_number = cam_sim_unit(sim);
329 ccb->cpi.bus_id = cam_sim_bus(sim);
330 ccb->cpi.initiator_id = MRSAS_SCSI_INITIATOR_ID;
331 ccb->cpi.base_transfer_speed = 150000;
332 strncpy(ccb->cpi.sim_vid, "FreeBSD", SIM_IDLEN);
333 strncpy(ccb->cpi.hba_vid, "AVAGO", HBA_IDLEN);
334 strncpy(ccb->cpi.dev_name, cam_sim_name(sim), DEV_IDLEN);
335 ccb->cpi.transport = XPORT_SPI;
336 ccb->cpi.transport_version = 2;
337 ccb->cpi.protocol = PROTO_SCSI;
338 ccb->cpi.protocol_version = SCSI_REV_2;
339 if (ccb->cpi.bus_id == 0)
340 ccb->cpi.max_target = MRSAS_MAX_PD - 1;
341 else
342 ccb->cpi.max_target = MRSAS_MAX_LD_IDS - 1;
343#if (__FreeBSD_version > 704000)
344 ccb->cpi.maxio = MRSAS_MAX_IO_SIZE;
345#endif
346 ccb->ccb_h.status = CAM_REQ_CMP;
347 xpt_done(ccb);
348 break;
349 }
350 default:
351 {
352 ccb->ccb_h.status = CAM_REQ_INVALID;
353 xpt_done(ccb);
354 break;
355 }
356 }
357}
358
359/*
360 * mrsas_scsiio_timeout: Callback function for IO timed out
361 * input: mpt command context
362 *
363 * This function will execute after timeout value provided by ccb header from
364 * CAM layer, if timer expires. Driver will run timer for all DCDM and LDIO
365 * comming from CAM layer. This function is callback function for IO timeout
366 * and it runs in no-sleep context. Set do_timedout_reset in Adapter context
367 * so that it will execute OCR/Kill adpter from ocr_thread context.
368 */
369static void
370mrsas_scsiio_timeout(void *data)
371{
372 struct mrsas_mpt_cmd *cmd;
373 struct mrsas_softc *sc;
374
375 cmd = (struct mrsas_mpt_cmd *)data;
376 sc = cmd->sc;
377
378 if (cmd->ccb_ptr == NULL) {
379 printf("command timeout with NULL ccb\n");
380 return;
381 }
382 /*
383 * Below callout is dummy entry so that it will be cancelled from
384 * mrsas_cmd_done(). Now Controller will go to OCR/Kill Adapter based
385 * on OCR enable/disable property of Controller from ocr_thread
386 * context.
387 */
388#if (__FreeBSD_version >= 1000510)
389 callout_reset_sbt(&cmd->cm_callout, SBT_1S * 600, 0,
|
388 mrsas_scsiio_timeout, cmd, 0);
| 390 mrsas_scsiio_timeout, cmd, 0);
|
389#else
390 callout_reset(&cmd->cm_callout, (600000 * hz) / 1000,
| 391#else
392 callout_reset(&cmd->cm_callout, (600000 * hz) / 1000,
|
391 mrsas_scsiio_timeout, cmd);
| 393 mrsas_scsiio_timeout, cmd);
|
392#endif
393 sc->do_timedout_reset = 1;
394 if (sc->ocr_thread_active)
395 wakeup(&sc->ocr_chan);
396}
397
398/*
399 * mrsas_startio: SCSI IO entry point
400 * input: Adapter instance soft state
401 * pointer to CAM Control Block
402 *
403 * This function is the SCSI IO entry point and it initiates IO processing. It
404 * copies the IO and depending if the IO is read/write or inquiry, it would
405 * call mrsas_build_ldio() or mrsas_build_dcdb(), respectively. It returns 0
406 * if the command is sent to firmware successfully, otherwise it returns 1.
407 */
408static int32_t
409mrsas_startio(struct mrsas_softc *sc, struct cam_sim *sim,
410 union ccb *ccb)
411{
412 struct mrsas_mpt_cmd *cmd;
413 struct ccb_hdr *ccb_h = &(ccb->ccb_h);
414 struct ccb_scsiio *csio = &(ccb->csio);
415 MRSAS_REQUEST_DESCRIPTOR_UNION *req_desc;
416
417 if ((csio->cdb_io.cdb_bytes[0]) == SYNCHRONIZE_CACHE) {
418 ccb->ccb_h.status = CAM_REQ_CMP;
419 xpt_done(ccb);
420 return (0);
421 }
422 ccb_h->status |= CAM_SIM_QUEUED;
423 cmd = mrsas_get_mpt_cmd(sc);
424
425 if (!cmd) {
426 ccb_h->status |= CAM_REQUEUE_REQ;
427 xpt_done(ccb);
428 return (0);
429 }
430 if ((ccb_h->flags & CAM_DIR_MASK) != CAM_DIR_NONE) {
431 if (ccb_h->flags & CAM_DIR_IN)
432 cmd->flags |= MRSAS_DIR_IN;
433 if (ccb_h->flags & CAM_DIR_OUT)
434 cmd->flags |= MRSAS_DIR_OUT;
435 } else
436 cmd->flags = MRSAS_DIR_NONE; /* no data */
437
438/* For FreeBSD 9.2 and higher */
439#if (__FreeBSD_version >= 902001)
440 /*
441 * XXX We don't yet support physical addresses here.
442 */
443 switch ((ccb->ccb_h.flags & CAM_DATA_MASK)) {
444 case CAM_DATA_PADDR:
445 case CAM_DATA_SG_PADDR:
446 device_printf(sc->mrsas_dev, "%s: physical addresses not supported\n",
447 __func__);
448 mrsas_release_mpt_cmd(cmd);
449 ccb_h->status = CAM_REQ_INVALID;
450 ccb_h->status &= ~CAM_SIM_QUEUED;
451 goto done;
452 case CAM_DATA_SG:
453 device_printf(sc->mrsas_dev, "%s: scatter gather is not supported\n",
454 __func__);
455 mrsas_release_mpt_cmd(cmd);
456 ccb_h->status = CAM_REQ_INVALID;
457 goto done;
458 case CAM_DATA_VADDR:
459 if (csio->dxfer_len > MRSAS_MAX_IO_SIZE) {
460 mrsas_release_mpt_cmd(cmd);
461 ccb_h->status = CAM_REQ_TOO_BIG;
462 goto done;
463 }
464 cmd->length = csio->dxfer_len;
465 if (cmd->length)
466 cmd->data = csio->data_ptr;
467 break;
468 case CAM_DATA_BIO:
469 cmd->length = csio->dxfer_len;
470 if (cmd->length)
471 cmd->data = csio->data_ptr;
472 break;
473 default:
474 ccb->ccb_h.status = CAM_REQ_INVALID;
475 goto done;
476 }
477#else
478 if (!(ccb_h->flags & CAM_DATA_PHYS)) { /* Virtual data address */
479 if (!(ccb_h->flags & CAM_SCATTER_VALID)) {
480 if (csio->dxfer_len > MRSAS_MAX_IO_SIZE) {
481 mrsas_release_mpt_cmd(cmd);
482 ccb_h->status = CAM_REQ_TOO_BIG;
483 goto done;
484 }
485 cmd->length = csio->dxfer_len;
486 if (cmd->length)
487 cmd->data = csio->data_ptr;
488 } else {
489 mrsas_release_mpt_cmd(cmd);
490 ccb_h->status = CAM_REQ_INVALID;
491 goto done;
492 }
493 } else { /* Data addresses are physical. */
494 mrsas_release_mpt_cmd(cmd);
495 ccb_h->status = CAM_REQ_INVALID;
496 ccb_h->status &= ~CAM_SIM_QUEUED;
497 goto done;
498 }
499#endif
500 /* save ccb ptr */
501 cmd->ccb_ptr = ccb;
502
503 req_desc = mrsas_get_request_desc(sc, (cmd->index) - 1);
504 if (!req_desc) {
505 device_printf(sc->mrsas_dev, "Cannot get request_descriptor.\n");
506 return (FAIL);
507 }
508 memset(req_desc, 0, sizeof(MRSAS_REQUEST_DESCRIPTOR_UNION));
509 cmd->request_desc = req_desc;
510
511 if (ccb_h->flags & CAM_CDB_POINTER)
512 bcopy(csio->cdb_io.cdb_ptr, cmd->io_request->CDB.CDB32, csio->cdb_len);
513 else
514 bcopy(csio->cdb_io.cdb_bytes, cmd->io_request->CDB.CDB32, csio->cdb_len);
515 mtx_lock(&sc->raidmap_lock);
516
517 /* Check for IO type READ-WRITE targeted for Logical Volume */
518 if (mrsas_find_io_type(sim, ccb) == READ_WRITE_LDIO) {
519 /* Build READ-WRITE IO for Logical Volume */
520 if (mrsas_build_ldio(sc, cmd, ccb)) {
521 device_printf(sc->mrsas_dev, "Build LDIO failed.\n");
522 mtx_unlock(&sc->raidmap_lock);
523 return (1);
524 }
525 } else {
526 if (mrsas_build_dcdb(sc, cmd, ccb, sim)) {
527 device_printf(sc->mrsas_dev, "Build DCDB failed.\n");
528 mtx_unlock(&sc->raidmap_lock);
529 return (1);
530 }
531 }
532 mtx_unlock(&sc->raidmap_lock);
533
534 if (cmd->flags == MRSAS_DIR_IN) /* from device */
535 cmd->io_request->Control |= MPI2_SCSIIO_CONTROL_READ;
536 else if (cmd->flags == MRSAS_DIR_OUT) /* to device */
537 cmd->io_request->Control |= MPI2_SCSIIO_CONTROL_WRITE;
538
539 cmd->io_request->SGLFlags = MPI2_SGE_FLAGS_64_BIT_ADDRESSING;
540 cmd->io_request->SGLOffset0 = offsetof(MRSAS_RAID_SCSI_IO_REQUEST, SGL) / 4;
541 cmd->io_request->SenseBufferLowAddress = cmd->sense_phys_addr;
542 cmd->io_request->SenseBufferLength = MRSAS_SCSI_SENSE_BUFFERSIZE;
543
544 req_desc = cmd->request_desc;
545 req_desc->SCSIIO.SMID = cmd->index;
546
547 /*
548 * Start timer for IO timeout. Default timeout value is 90 second.
549 */
550#if (__FreeBSD_version >= 1000510)
551 callout_reset_sbt(&cmd->cm_callout, SBT_1S * 600, 0,
| 394#endif
395 sc->do_timedout_reset = 1;
396 if (sc->ocr_thread_active)
397 wakeup(&sc->ocr_chan);
398}
399
400/*
401 * mrsas_startio: SCSI IO entry point
402 * input: Adapter instance soft state
403 * pointer to CAM Control Block
404 *
405 * This function is the SCSI IO entry point and it initiates IO processing. It
406 * copies the IO and depending if the IO is read/write or inquiry, it would
407 * call mrsas_build_ldio() or mrsas_build_dcdb(), respectively. It returns 0
408 * if the command is sent to firmware successfully, otherwise it returns 1.
409 */
410static int32_t
411mrsas_startio(struct mrsas_softc *sc, struct cam_sim *sim,
412 union ccb *ccb)
413{
414 struct mrsas_mpt_cmd *cmd;
415 struct ccb_hdr *ccb_h = &(ccb->ccb_h);
416 struct ccb_scsiio *csio = &(ccb->csio);
417 MRSAS_REQUEST_DESCRIPTOR_UNION *req_desc;
418
419 if ((csio->cdb_io.cdb_bytes[0]) == SYNCHRONIZE_CACHE) {
420 ccb->ccb_h.status = CAM_REQ_CMP;
421 xpt_done(ccb);
422 return (0);
423 }
424 ccb_h->status |= CAM_SIM_QUEUED;
425 cmd = mrsas_get_mpt_cmd(sc);
426
427 if (!cmd) {
428 ccb_h->status |= CAM_REQUEUE_REQ;
429 xpt_done(ccb);
430 return (0);
431 }
432 if ((ccb_h->flags & CAM_DIR_MASK) != CAM_DIR_NONE) {
433 if (ccb_h->flags & CAM_DIR_IN)
434 cmd->flags |= MRSAS_DIR_IN;
435 if (ccb_h->flags & CAM_DIR_OUT)
436 cmd->flags |= MRSAS_DIR_OUT;
437 } else
438 cmd->flags = MRSAS_DIR_NONE; /* no data */
439
440/* For FreeBSD 9.2 and higher */
441#if (__FreeBSD_version >= 902001)
442 /*
443 * XXX We don't yet support physical addresses here.
444 */
445 switch ((ccb->ccb_h.flags & CAM_DATA_MASK)) {
446 case CAM_DATA_PADDR:
447 case CAM_DATA_SG_PADDR:
448 device_printf(sc->mrsas_dev, "%s: physical addresses not supported\n",
449 __func__);
450 mrsas_release_mpt_cmd(cmd);
451 ccb_h->status = CAM_REQ_INVALID;
452 ccb_h->status &= ~CAM_SIM_QUEUED;
453 goto done;
454 case CAM_DATA_SG:
455 device_printf(sc->mrsas_dev, "%s: scatter gather is not supported\n",
456 __func__);
457 mrsas_release_mpt_cmd(cmd);
458 ccb_h->status = CAM_REQ_INVALID;
459 goto done;
460 case CAM_DATA_VADDR:
461 if (csio->dxfer_len > MRSAS_MAX_IO_SIZE) {
462 mrsas_release_mpt_cmd(cmd);
463 ccb_h->status = CAM_REQ_TOO_BIG;
464 goto done;
465 }
466 cmd->length = csio->dxfer_len;
467 if (cmd->length)
468 cmd->data = csio->data_ptr;
469 break;
470 case CAM_DATA_BIO:
471 cmd->length = csio->dxfer_len;
472 if (cmd->length)
473 cmd->data = csio->data_ptr;
474 break;
475 default:
476 ccb->ccb_h.status = CAM_REQ_INVALID;
477 goto done;
478 }
479#else
480 if (!(ccb_h->flags & CAM_DATA_PHYS)) { /* Virtual data address */
481 if (!(ccb_h->flags & CAM_SCATTER_VALID)) {
482 if (csio->dxfer_len > MRSAS_MAX_IO_SIZE) {
483 mrsas_release_mpt_cmd(cmd);
484 ccb_h->status = CAM_REQ_TOO_BIG;
485 goto done;
486 }
487 cmd->length = csio->dxfer_len;
488 if (cmd->length)
489 cmd->data = csio->data_ptr;
490 } else {
491 mrsas_release_mpt_cmd(cmd);
492 ccb_h->status = CAM_REQ_INVALID;
493 goto done;
494 }
495 } else { /* Data addresses are physical. */
496 mrsas_release_mpt_cmd(cmd);
497 ccb_h->status = CAM_REQ_INVALID;
498 ccb_h->status &= ~CAM_SIM_QUEUED;
499 goto done;
500 }
501#endif
502 /* save ccb ptr */
503 cmd->ccb_ptr = ccb;
504
505 req_desc = mrsas_get_request_desc(sc, (cmd->index) - 1);
506 if (!req_desc) {
507 device_printf(sc->mrsas_dev, "Cannot get request_descriptor.\n");
508 return (FAIL);
509 }
510 memset(req_desc, 0, sizeof(MRSAS_REQUEST_DESCRIPTOR_UNION));
511 cmd->request_desc = req_desc;
512
513 if (ccb_h->flags & CAM_CDB_POINTER)
514 bcopy(csio->cdb_io.cdb_ptr, cmd->io_request->CDB.CDB32, csio->cdb_len);
515 else
516 bcopy(csio->cdb_io.cdb_bytes, cmd->io_request->CDB.CDB32, csio->cdb_len);
517 mtx_lock(&sc->raidmap_lock);
518
519 /* Check for IO type READ-WRITE targeted for Logical Volume */
520 if (mrsas_find_io_type(sim, ccb) == READ_WRITE_LDIO) {
521 /* Build READ-WRITE IO for Logical Volume */
522 if (mrsas_build_ldio(sc, cmd, ccb)) {
523 device_printf(sc->mrsas_dev, "Build LDIO failed.\n");
524 mtx_unlock(&sc->raidmap_lock);
525 return (1);
526 }
527 } else {
528 if (mrsas_build_dcdb(sc, cmd, ccb, sim)) {
529 device_printf(sc->mrsas_dev, "Build DCDB failed.\n");
530 mtx_unlock(&sc->raidmap_lock);
531 return (1);
532 }
533 }
534 mtx_unlock(&sc->raidmap_lock);
535
536 if (cmd->flags == MRSAS_DIR_IN) /* from device */
537 cmd->io_request->Control |= MPI2_SCSIIO_CONTROL_READ;
538 else if (cmd->flags == MRSAS_DIR_OUT) /* to device */
539 cmd->io_request->Control |= MPI2_SCSIIO_CONTROL_WRITE;
540
541 cmd->io_request->SGLFlags = MPI2_SGE_FLAGS_64_BIT_ADDRESSING;
542 cmd->io_request->SGLOffset0 = offsetof(MRSAS_RAID_SCSI_IO_REQUEST, SGL) / 4;
543 cmd->io_request->SenseBufferLowAddress = cmd->sense_phys_addr;
544 cmd->io_request->SenseBufferLength = MRSAS_SCSI_SENSE_BUFFERSIZE;
545
546 req_desc = cmd->request_desc;
547 req_desc->SCSIIO.SMID = cmd->index;
548
549 /*
550 * Start timer for IO timeout. Default timeout value is 90 second.
551 */
552#if (__FreeBSD_version >= 1000510)
553 callout_reset_sbt(&cmd->cm_callout, SBT_1S * 600, 0,
|
552 mrsas_scsiio_timeout, cmd, 0);
| 554 mrsas_scsiio_timeout, cmd, 0);
|
553#else
554 callout_reset(&cmd->cm_callout, (600000 * hz) / 1000,
| 555#else
556 callout_reset(&cmd->cm_callout, (600000 * hz) / 1000,
|
555 mrsas_scsiio_timeout, cmd);
| 557 mrsas_scsiio_timeout, cmd);
|
556#endif
557 mrsas_atomic_inc(&sc->fw_outstanding);
558
559 if (mrsas_atomic_read(&sc->fw_outstanding) > sc->io_cmds_highwater)
560 sc->io_cmds_highwater++;
561
562 mrsas_fire_cmd(sc, req_desc->addr.u.low, req_desc->addr.u.high);
563 return (0);
564
565done:
566 xpt_done(ccb);
567 return (0);
568}
569
570/*
571 * mrsas_find_io_type: Determines if IO is read/write or inquiry
572 * input: pointer to CAM Control Block
573 *
574 * This function determines if the IO is read/write or inquiry. It returns a 1
575 * if the IO is read/write and 0 if it is inquiry.
576 */
| 558#endif
559 mrsas_atomic_inc(&sc->fw_outstanding);
560
561 if (mrsas_atomic_read(&sc->fw_outstanding) > sc->io_cmds_highwater)
562 sc->io_cmds_highwater++;
563
564 mrsas_fire_cmd(sc, req_desc->addr.u.low, req_desc->addr.u.high);
565 return (0);
566
567done:
568 xpt_done(ccb);
569 return (0);
570}
571
572/*
573 * mrsas_find_io_type: Determines if IO is read/write or inquiry
574 * input: pointer to CAM Control Block
575 *
576 * This function determines if the IO is read/write or inquiry. It returns a 1
577 * if the IO is read/write and 0 if it is inquiry.
578 */
|
577int mrsas_find_io_type(struct cam_sim *sim, union ccb *ccb)
| 579int
580mrsas_find_io_type(struct cam_sim *sim, union ccb *ccb)
|
578{
579 struct ccb_scsiio *csio = &(ccb->csio);
580
581 switch (csio->cdb_io.cdb_bytes[0]) {
582 case READ_10:
583 case WRITE_10:
584 case READ_12:
585 case WRITE_12:
586 case READ_6:
587 case WRITE_6:
588 case READ_16:
589 case WRITE_16:
590 return (cam_sim_bus(sim) ?
| 581{
582 struct ccb_scsiio *csio = &(ccb->csio);
583
584 switch (csio->cdb_io.cdb_bytes[0]) {
585 case READ_10:
586 case WRITE_10:
587 case READ_12:
588 case WRITE_12:
589 case READ_6:
590 case WRITE_6:
591 case READ_16:
592 case WRITE_16:
593 return (cam_sim_bus(sim) ?
|
591 READ_WRITE_SYSPDIO : READ_WRITE_LDIO);
| 594 READ_WRITE_SYSPDIO : READ_WRITE_LDIO);
|
592 default:
593 return (cam_sim_bus(sim) ?
| 595 default:
596 return (cam_sim_bus(sim) ?
|
594 NON_READ_WRITE_SYSPDIO : NON_READ_WRITE_LDIO);
| 597 NON_READ_WRITE_SYSPDIO : NON_READ_WRITE_LDIO);
|
595 }
596}
597
598/*
599 * mrsas_get_mpt_cmd: Get a cmd from free command pool
600 * input: Adapter instance soft state
601 *
602 * This function removes an MPT command from the command free list and
603 * initializes it.
604 */
605struct mrsas_mpt_cmd *
606mrsas_get_mpt_cmd(struct mrsas_softc *sc)
607{
608 struct mrsas_mpt_cmd *cmd = NULL;
609
610 mtx_lock(&sc->mpt_cmd_pool_lock);
611 if (!TAILQ_EMPTY(&sc->mrsas_mpt_cmd_list_head)) {
612 cmd = TAILQ_FIRST(&sc->mrsas_mpt_cmd_list_head);
613 TAILQ_REMOVE(&sc->mrsas_mpt_cmd_list_head, cmd, next);
614 }
615 memset((uint8_t *)cmd->io_request, 0, MRSAS_MPI2_RAID_DEFAULT_IO_FRAME_SIZE);
616 cmd->data = NULL;
617 cmd->length = 0;
618 cmd->flags = 0;
619 cmd->error_code = 0;
620 cmd->load_balance = 0;
621 cmd->ccb_ptr = NULL;
622 mtx_unlock(&sc->mpt_cmd_pool_lock);
623
624 return cmd;
625}
626
627/*
628 * mrsas_release_mpt_cmd: Return a cmd to free command pool
629 * input: Command packet for return to free command pool
630 *
631 * This function returns an MPT command to the free command list.
632 */
633void
634mrsas_release_mpt_cmd(struct mrsas_mpt_cmd *cmd)
635{
636 struct mrsas_softc *sc = cmd->sc;
637
638 mtx_lock(&sc->mpt_cmd_pool_lock);
639 cmd->sync_cmd_idx = (u_int32_t)MRSAS_ULONG_MAX;
640 TAILQ_INSERT_TAIL(&(sc->mrsas_mpt_cmd_list_head), cmd, next);
641 mtx_unlock(&sc->mpt_cmd_pool_lock);
642
643 return;
644}
645
646/*
647 * mrsas_get_request_desc: Get request descriptor from array
648 * input: Adapter instance soft state
649 * SMID index
650 *
651 * This function returns a pointer to the request descriptor.
652 */
653MRSAS_REQUEST_DESCRIPTOR_UNION *
654mrsas_get_request_desc(struct mrsas_softc *sc, u_int16_t index)
655{
656 u_int8_t *p;
657
658 if (index >= sc->max_fw_cmds) {
659 device_printf(sc->mrsas_dev, "Invalid SMID (0x%x)request for desc\n", index);
660 return NULL;
661 }
662 p = sc->req_desc + sizeof(MRSAS_REQUEST_DESCRIPTOR_UNION) * index;
663
664 return (MRSAS_REQUEST_DESCRIPTOR_UNION *) p;
665}
666
667/*
668 * mrsas_build_ldio: Builds an LDIO command
669 * input: Adapter instance soft state
670 * Pointer to command packet
671 * Pointer to CCB
672 *
673 * This function builds the LDIO command packet. It returns 0 if the command is
674 * built successfully, otherwise it returns a 1.
675 */
676int
677mrsas_build_ldio(struct mrsas_softc *sc, struct mrsas_mpt_cmd *cmd,
678 union ccb *ccb)
679{
680 struct ccb_hdr *ccb_h = &(ccb->ccb_h);
681 struct ccb_scsiio *csio = &(ccb->csio);
682 u_int32_t device_id;
683 MRSAS_RAID_SCSI_IO_REQUEST *io_request;
684
685 device_id = ccb_h->target_id;
686
687 io_request = cmd->io_request;
688 io_request->RaidContext.VirtualDiskTgtId = device_id;
689 io_request->RaidContext.status = 0;
690 io_request->RaidContext.exStatus = 0;
691
692 /* just the cdb len, other flags zero, and ORed-in later for FP */
693 io_request->IoFlags = csio->cdb_len;
694
695 if (mrsas_setup_io(sc, cmd, ccb, device_id, io_request) != SUCCESS)
696 device_printf(sc->mrsas_dev, "Build ldio or fpio error\n");
697
698 io_request->DataLength = cmd->length;
699
700 if (mrsas_map_request(sc, cmd, ccb) == SUCCESS) {
701 if (cmd->sge_count > MRSAS_MAX_SGL) {
702 device_printf(sc->mrsas_dev, "Error: sge_count (0x%x) exceeds"
703 "max (0x%x) allowed\n", cmd->sge_count, sc->max_num_sge);
704 return (FAIL);
705 }
706 io_request->RaidContext.numSGE = cmd->sge_count;
707 } else {
708 device_printf(sc->mrsas_dev, "Data map/load failed.\n");
709 return (FAIL);
710 }
711 return (0);
712}
713
714/*
715 * mrsas_setup_io: Set up data including Fast Path I/O
716 * input: Adapter instance soft state
717 * Pointer to command packet
718 * Pointer to CCB
719 *
720 * This function builds the DCDB inquiry command. It returns 0 if the command
721 * is built successfully, otherwise it returns a 1.
722 */
723int
724mrsas_setup_io(struct mrsas_softc *sc, struct mrsas_mpt_cmd *cmd,
725 union ccb *ccb, u_int32_t device_id,
726 MRSAS_RAID_SCSI_IO_REQUEST * io_request)
727{
728 struct ccb_hdr *ccb_h = &(ccb->ccb_h);
729 struct ccb_scsiio *csio = &(ccb->csio);
730 struct IO_REQUEST_INFO io_info;
731 MR_DRV_RAID_MAP_ALL *map_ptr;
732 u_int8_t fp_possible;
733 u_int32_t start_lba_hi, start_lba_lo, ld_block_size;
734 u_int32_t datalength = 0;
735
736 start_lba_lo = 0;
737 start_lba_hi = 0;
738 fp_possible = 0;
739
740 /*
741 * READ_6 (0x08) or WRITE_6 (0x0A) cdb
742 */
743 if (csio->cdb_len == 6) {
744 datalength = (u_int32_t)csio->cdb_io.cdb_bytes[4];
745 start_lba_lo = ((u_int32_t)csio->cdb_io.cdb_bytes[1] << 16) |
746 ((u_int32_t)csio->cdb_io.cdb_bytes[2] << 8) |
747 (u_int32_t)csio->cdb_io.cdb_bytes[3];
748 start_lba_lo &= 0x1FFFFF;
749 }
750 /*
751 * READ_10 (0x28) or WRITE_6 (0x2A) cdb
752 */
753 else if (csio->cdb_len == 10) {
754 datalength = (u_int32_t)csio->cdb_io.cdb_bytes[8] |
755 ((u_int32_t)csio->cdb_io.cdb_bytes[7] << 8);
756 start_lba_lo = ((u_int32_t)csio->cdb_io.cdb_bytes[2] << 24) |
757 ((u_int32_t)csio->cdb_io.cdb_bytes[3] << 16) |
758 (u_int32_t)csio->cdb_io.cdb_bytes[4] << 8 |
759 ((u_int32_t)csio->cdb_io.cdb_bytes[5]);
760 }
761 /*
762 * READ_12 (0xA8) or WRITE_12 (0xAA) cdb
763 */
764 else if (csio->cdb_len == 12) {
765 datalength = (u_int32_t)csio->cdb_io.cdb_bytes[6] << 24 |
766 ((u_int32_t)csio->cdb_io.cdb_bytes[7] << 16) |
767 ((u_int32_t)csio->cdb_io.cdb_bytes[8] << 8) |
768 ((u_int32_t)csio->cdb_io.cdb_bytes[9]);
769 start_lba_lo = ((u_int32_t)csio->cdb_io.cdb_bytes[2] << 24) |
770 ((u_int32_t)csio->cdb_io.cdb_bytes[3] << 16) |
771 (u_int32_t)csio->cdb_io.cdb_bytes[4] << 8 |
772 ((u_int32_t)csio->cdb_io.cdb_bytes[5]);
773 }
774 /*
775 * READ_16 (0x88) or WRITE_16 (0xx8A) cdb
776 */
777 else if (csio->cdb_len == 16) {
778 datalength = (u_int32_t)csio->cdb_io.cdb_bytes[10] << 24 |
779 ((u_int32_t)csio->cdb_io.cdb_bytes[11] << 16) |
780 ((u_int32_t)csio->cdb_io.cdb_bytes[12] << 8) |
781 ((u_int32_t)csio->cdb_io.cdb_bytes[13]);
782 start_lba_lo = ((u_int32_t)csio->cdb_io.cdb_bytes[6] << 24) |
783 ((u_int32_t)csio->cdb_io.cdb_bytes[7] << 16) |
784 (u_int32_t)csio->cdb_io.cdb_bytes[8] << 8 |
785 ((u_int32_t)csio->cdb_io.cdb_bytes[9]);
786 start_lba_hi = ((u_int32_t)csio->cdb_io.cdb_bytes[2] << 24) |
787 ((u_int32_t)csio->cdb_io.cdb_bytes[3] << 16) |
788 (u_int32_t)csio->cdb_io.cdb_bytes[4] << 8 |
789 ((u_int32_t)csio->cdb_io.cdb_bytes[5]);
790 }
791 memset(&io_info, 0, sizeof(struct IO_REQUEST_INFO));
792 io_info.ldStartBlock = ((u_int64_t)start_lba_hi << 32) | start_lba_lo;
793 io_info.numBlocks = datalength;
794 io_info.ldTgtId = device_id;
795
796 switch (ccb_h->flags & CAM_DIR_MASK) {
797 case CAM_DIR_IN:
798 io_info.isRead = 1;
799 break;
800 case CAM_DIR_OUT:
801 io_info.isRead = 0;
802 break;
803 case CAM_DIR_NONE:
804 default:
805 mrsas_dprint(sc, MRSAS_TRACE, "From %s : DMA Flag is %d \n", __func__, ccb_h->flags & CAM_DIR_MASK);
806 break;
807 }
808
809 map_ptr = sc->ld_drv_map[(sc->map_id & 1)];
810 ld_block_size = MR_LdBlockSizeGet(device_id, map_ptr, sc);
811
812 if ((MR_TargetIdToLdGet(device_id, map_ptr) >= MAX_LOGICAL_DRIVES_EXT) ||
813 (!sc->fast_path_io)) {
814 io_request->RaidContext.regLockFlags = 0;
815 fp_possible = 0;
816 } else {
817 if (MR_BuildRaidContext(sc, &io_info, &io_request->RaidContext, map_ptr))
818 fp_possible = io_info.fpOkForIo;
819 }
820
821 cmd->request_desc->SCSIIO.MSIxIndex =
822 sc->msix_vectors ? smp_processor_id() % sc->msix_vectors : 0;
823
824
825 if (fp_possible) {
826 mrsas_set_pd_lba(io_request, csio->cdb_len, &io_info, ccb, map_ptr,
827 start_lba_lo, ld_block_size);
828 io_request->Function = MPI2_FUNCTION_SCSI_IO_REQUEST;
829 cmd->request_desc->SCSIIO.RequestFlags =
830 (MPI2_REQ_DESCRIPT_FLAGS_HIGH_PRIORITY <<
831 MRSAS_REQ_DESCRIPT_FLAGS_TYPE_SHIFT);
832 if ((sc->device_id == MRSAS_INVADER) || (sc->device_id == MRSAS_FURY)) {
833 if (io_request->RaidContext.regLockFlags == REGION_TYPE_UNUSED)
834 cmd->request_desc->SCSIIO.RequestFlags =
835 (MRSAS_REQ_DESCRIPT_FLAGS_NO_LOCK <<
836 MRSAS_REQ_DESCRIPT_FLAGS_TYPE_SHIFT);
837 io_request->RaidContext.Type = MPI2_TYPE_CUDA;
838 io_request->RaidContext.nseg = 0x1;
839 io_request->IoFlags |= MPI25_SAS_DEVICE0_FLAGS_ENABLED_FAST_PATH;
840 io_request->RaidContext.regLockFlags |=
841 (MR_RL_FLAGS_GRANT_DESTINATION_CUDA |
842 MR_RL_FLAGS_SEQ_NUM_ENABLE);
843 }
844 if ((sc->load_balance_info[device_id].loadBalanceFlag) &&
845 (io_info.isRead)) {
846 io_info.devHandle =
| 598 }
599}
600
601/*
602 * mrsas_get_mpt_cmd: Get a cmd from free command pool
603 * input: Adapter instance soft state
604 *
605 * This function removes an MPT command from the command free list and
606 * initializes it.
607 */
608struct mrsas_mpt_cmd *
609mrsas_get_mpt_cmd(struct mrsas_softc *sc)
610{
611 struct mrsas_mpt_cmd *cmd = NULL;
612
613 mtx_lock(&sc->mpt_cmd_pool_lock);
614 if (!TAILQ_EMPTY(&sc->mrsas_mpt_cmd_list_head)) {
615 cmd = TAILQ_FIRST(&sc->mrsas_mpt_cmd_list_head);
616 TAILQ_REMOVE(&sc->mrsas_mpt_cmd_list_head, cmd, next);
617 }
618 memset((uint8_t *)cmd->io_request, 0, MRSAS_MPI2_RAID_DEFAULT_IO_FRAME_SIZE);
619 cmd->data = NULL;
620 cmd->length = 0;
621 cmd->flags = 0;
622 cmd->error_code = 0;
623 cmd->load_balance = 0;
624 cmd->ccb_ptr = NULL;
625 mtx_unlock(&sc->mpt_cmd_pool_lock);
626
627 return cmd;
628}
629
630/*
631 * mrsas_release_mpt_cmd: Return a cmd to free command pool
632 * input: Command packet for return to free command pool
633 *
634 * This function returns an MPT command to the free command list.
635 */
636void
637mrsas_release_mpt_cmd(struct mrsas_mpt_cmd *cmd)
638{
639 struct mrsas_softc *sc = cmd->sc;
640
641 mtx_lock(&sc->mpt_cmd_pool_lock);
642 cmd->sync_cmd_idx = (u_int32_t)MRSAS_ULONG_MAX;
643 TAILQ_INSERT_TAIL(&(sc->mrsas_mpt_cmd_list_head), cmd, next);
644 mtx_unlock(&sc->mpt_cmd_pool_lock);
645
646 return;
647}
648
649/*
650 * mrsas_get_request_desc: Get request descriptor from array
651 * input: Adapter instance soft state
652 * SMID index
653 *
654 * This function returns a pointer to the request descriptor.
655 */
656MRSAS_REQUEST_DESCRIPTOR_UNION *
657mrsas_get_request_desc(struct mrsas_softc *sc, u_int16_t index)
658{
659 u_int8_t *p;
660
661 if (index >= sc->max_fw_cmds) {
662 device_printf(sc->mrsas_dev, "Invalid SMID (0x%x)request for desc\n", index);
663 return NULL;
664 }
665 p = sc->req_desc + sizeof(MRSAS_REQUEST_DESCRIPTOR_UNION) * index;
666
667 return (MRSAS_REQUEST_DESCRIPTOR_UNION *) p;
668}
669
670/*
671 * mrsas_build_ldio: Builds an LDIO command
672 * input: Adapter instance soft state
673 * Pointer to command packet
674 * Pointer to CCB
675 *
676 * This function builds the LDIO command packet. It returns 0 if the command is
677 * built successfully, otherwise it returns a 1.
678 */
679int
680mrsas_build_ldio(struct mrsas_softc *sc, struct mrsas_mpt_cmd *cmd,
681 union ccb *ccb)
682{
683 struct ccb_hdr *ccb_h = &(ccb->ccb_h);
684 struct ccb_scsiio *csio = &(ccb->csio);
685 u_int32_t device_id;
686 MRSAS_RAID_SCSI_IO_REQUEST *io_request;
687
688 device_id = ccb_h->target_id;
689
690 io_request = cmd->io_request;
691 io_request->RaidContext.VirtualDiskTgtId = device_id;
692 io_request->RaidContext.status = 0;
693 io_request->RaidContext.exStatus = 0;
694
695 /* just the cdb len, other flags zero, and ORed-in later for FP */
696 io_request->IoFlags = csio->cdb_len;
697
698 if (mrsas_setup_io(sc, cmd, ccb, device_id, io_request) != SUCCESS)
699 device_printf(sc->mrsas_dev, "Build ldio or fpio error\n");
700
701 io_request->DataLength = cmd->length;
702
703 if (mrsas_map_request(sc, cmd, ccb) == SUCCESS) {
704 if (cmd->sge_count > MRSAS_MAX_SGL) {
705 device_printf(sc->mrsas_dev, "Error: sge_count (0x%x) exceeds"
706 "max (0x%x) allowed\n", cmd->sge_count, sc->max_num_sge);
707 return (FAIL);
708 }
709 io_request->RaidContext.numSGE = cmd->sge_count;
710 } else {
711 device_printf(sc->mrsas_dev, "Data map/load failed.\n");
712 return (FAIL);
713 }
714 return (0);
715}
716
717/*
718 * mrsas_setup_io: Set up data including Fast Path I/O
719 * input: Adapter instance soft state
720 * Pointer to command packet
721 * Pointer to CCB
722 *
723 * This function builds the DCDB inquiry command. It returns 0 if the command
724 * is built successfully, otherwise it returns a 1.
725 */
726int
727mrsas_setup_io(struct mrsas_softc *sc, struct mrsas_mpt_cmd *cmd,
728 union ccb *ccb, u_int32_t device_id,
729 MRSAS_RAID_SCSI_IO_REQUEST * io_request)
730{
731 struct ccb_hdr *ccb_h = &(ccb->ccb_h);
732 struct ccb_scsiio *csio = &(ccb->csio);
733 struct IO_REQUEST_INFO io_info;
734 MR_DRV_RAID_MAP_ALL *map_ptr;
735 u_int8_t fp_possible;
736 u_int32_t start_lba_hi, start_lba_lo, ld_block_size;
737 u_int32_t datalength = 0;
738
739 start_lba_lo = 0;
740 start_lba_hi = 0;
741 fp_possible = 0;
742
743 /*
744 * READ_6 (0x08) or WRITE_6 (0x0A) cdb
745 */
746 if (csio->cdb_len == 6) {
747 datalength = (u_int32_t)csio->cdb_io.cdb_bytes[4];
748 start_lba_lo = ((u_int32_t)csio->cdb_io.cdb_bytes[1] << 16) |
749 ((u_int32_t)csio->cdb_io.cdb_bytes[2] << 8) |
750 (u_int32_t)csio->cdb_io.cdb_bytes[3];
751 start_lba_lo &= 0x1FFFFF;
752 }
753 /*
754 * READ_10 (0x28) or WRITE_6 (0x2A) cdb
755 */
756 else if (csio->cdb_len == 10) {
757 datalength = (u_int32_t)csio->cdb_io.cdb_bytes[8] |
758 ((u_int32_t)csio->cdb_io.cdb_bytes[7] << 8);
759 start_lba_lo = ((u_int32_t)csio->cdb_io.cdb_bytes[2] << 24) |
760 ((u_int32_t)csio->cdb_io.cdb_bytes[3] << 16) |
761 (u_int32_t)csio->cdb_io.cdb_bytes[4] << 8 |
762 ((u_int32_t)csio->cdb_io.cdb_bytes[5]);
763 }
764 /*
765 * READ_12 (0xA8) or WRITE_12 (0xAA) cdb
766 */
767 else if (csio->cdb_len == 12) {
768 datalength = (u_int32_t)csio->cdb_io.cdb_bytes[6] << 24 |
769 ((u_int32_t)csio->cdb_io.cdb_bytes[7] << 16) |
770 ((u_int32_t)csio->cdb_io.cdb_bytes[8] << 8) |
771 ((u_int32_t)csio->cdb_io.cdb_bytes[9]);
772 start_lba_lo = ((u_int32_t)csio->cdb_io.cdb_bytes[2] << 24) |
773 ((u_int32_t)csio->cdb_io.cdb_bytes[3] << 16) |
774 (u_int32_t)csio->cdb_io.cdb_bytes[4] << 8 |
775 ((u_int32_t)csio->cdb_io.cdb_bytes[5]);
776 }
777 /*
778 * READ_16 (0x88) or WRITE_16 (0xx8A) cdb
779 */
780 else if (csio->cdb_len == 16) {
781 datalength = (u_int32_t)csio->cdb_io.cdb_bytes[10] << 24 |
782 ((u_int32_t)csio->cdb_io.cdb_bytes[11] << 16) |
783 ((u_int32_t)csio->cdb_io.cdb_bytes[12] << 8) |
784 ((u_int32_t)csio->cdb_io.cdb_bytes[13]);
785 start_lba_lo = ((u_int32_t)csio->cdb_io.cdb_bytes[6] << 24) |
786 ((u_int32_t)csio->cdb_io.cdb_bytes[7] << 16) |
787 (u_int32_t)csio->cdb_io.cdb_bytes[8] << 8 |
788 ((u_int32_t)csio->cdb_io.cdb_bytes[9]);
789 start_lba_hi = ((u_int32_t)csio->cdb_io.cdb_bytes[2] << 24) |
790 ((u_int32_t)csio->cdb_io.cdb_bytes[3] << 16) |
791 (u_int32_t)csio->cdb_io.cdb_bytes[4] << 8 |
792 ((u_int32_t)csio->cdb_io.cdb_bytes[5]);
793 }
794 memset(&io_info, 0, sizeof(struct IO_REQUEST_INFO));
795 io_info.ldStartBlock = ((u_int64_t)start_lba_hi << 32) | start_lba_lo;
796 io_info.numBlocks = datalength;
797 io_info.ldTgtId = device_id;
798
799 switch (ccb_h->flags & CAM_DIR_MASK) {
800 case CAM_DIR_IN:
801 io_info.isRead = 1;
802 break;
803 case CAM_DIR_OUT:
804 io_info.isRead = 0;
805 break;
806 case CAM_DIR_NONE:
807 default:
808 mrsas_dprint(sc, MRSAS_TRACE, "From %s : DMA Flag is %d \n", __func__, ccb_h->flags & CAM_DIR_MASK);
809 break;
810 }
811
812 map_ptr = sc->ld_drv_map[(sc->map_id & 1)];
813 ld_block_size = MR_LdBlockSizeGet(device_id, map_ptr, sc);
814
815 if ((MR_TargetIdToLdGet(device_id, map_ptr) >= MAX_LOGICAL_DRIVES_EXT) ||
816 (!sc->fast_path_io)) {
817 io_request->RaidContext.regLockFlags = 0;
818 fp_possible = 0;
819 } else {
820 if (MR_BuildRaidContext(sc, &io_info, &io_request->RaidContext, map_ptr))
821 fp_possible = io_info.fpOkForIo;
822 }
823
824 cmd->request_desc->SCSIIO.MSIxIndex =
825 sc->msix_vectors ? smp_processor_id() % sc->msix_vectors : 0;
826
827
828 if (fp_possible) {
829 mrsas_set_pd_lba(io_request, csio->cdb_len, &io_info, ccb, map_ptr,
830 start_lba_lo, ld_block_size);
831 io_request->Function = MPI2_FUNCTION_SCSI_IO_REQUEST;
832 cmd->request_desc->SCSIIO.RequestFlags =
833 (MPI2_REQ_DESCRIPT_FLAGS_HIGH_PRIORITY <<
834 MRSAS_REQ_DESCRIPT_FLAGS_TYPE_SHIFT);
835 if ((sc->device_id == MRSAS_INVADER) || (sc->device_id == MRSAS_FURY)) {
836 if (io_request->RaidContext.regLockFlags == REGION_TYPE_UNUSED)
837 cmd->request_desc->SCSIIO.RequestFlags =
838 (MRSAS_REQ_DESCRIPT_FLAGS_NO_LOCK <<
839 MRSAS_REQ_DESCRIPT_FLAGS_TYPE_SHIFT);
840 io_request->RaidContext.Type = MPI2_TYPE_CUDA;
841 io_request->RaidContext.nseg = 0x1;
842 io_request->IoFlags |= MPI25_SAS_DEVICE0_FLAGS_ENABLED_FAST_PATH;
843 io_request->RaidContext.regLockFlags |=
844 (MR_RL_FLAGS_GRANT_DESTINATION_CUDA |
845 MR_RL_FLAGS_SEQ_NUM_ENABLE);
846 }
847 if ((sc->load_balance_info[device_id].loadBalanceFlag) &&
848 (io_info.isRead)) {
849 io_info.devHandle =
|
847 mrsas_get_updated_dev_handle(sc,
848 &sc->load_balance_info[device_id], &io_info);
| 850 mrsas_get_updated_dev_handle(sc,
851 &sc->load_balance_info[device_id], &io_info);
|
849 cmd->load_balance = MRSAS_LOAD_BALANCE_FLAG;
850 cmd->pd_r1_lb = io_info.pd_after_lb;
851 } else
852 cmd->load_balance = 0;
853 cmd->request_desc->SCSIIO.DevHandle = io_info.devHandle;
854 io_request->DevHandle = io_info.devHandle;
855 } else {
856 /* Not FP IO */
857 io_request->RaidContext.timeoutValue = map_ptr->raidMap.fpPdIoTimeoutSec;
858 cmd->request_desc->SCSIIO.RequestFlags =
859 (MRSAS_REQ_DESCRIPT_FLAGS_LD_IO <<
860 MRSAS_REQ_DESCRIPT_FLAGS_TYPE_SHIFT);
861 if ((sc->device_id == MRSAS_INVADER) || (sc->device_id == MRSAS_FURY)) {
862 if (io_request->RaidContext.regLockFlags == REGION_TYPE_UNUSED)
863 cmd->request_desc->SCSIIO.RequestFlags =
864 (MRSAS_REQ_DESCRIPT_FLAGS_NO_LOCK <<
865 MRSAS_REQ_DESCRIPT_FLAGS_TYPE_SHIFT);
866 io_request->RaidContext.Type = MPI2_TYPE_CUDA;
867 io_request->RaidContext.regLockFlags |=
868 (MR_RL_FLAGS_GRANT_DESTINATION_CPU0 |
869 MR_RL_FLAGS_SEQ_NUM_ENABLE);
870 io_request->RaidContext.nseg = 0x1;
871 }
872 io_request->Function = MRSAS_MPI2_FUNCTION_LD_IO_REQUEST;
873 io_request->DevHandle = device_id;
874 }
875 return (0);
876}
877
878/*
879 * mrsas_build_dcdb: Builds an DCDB command
880 * input: Adapter instance soft state
881 * Pointer to command packet
882 * Pointer to CCB
883 *
884 * This function builds the DCDB inquiry command. It returns 0 if the command
885 * is built successfully, otherwise it returns a 1.
886 */
887int
888mrsas_build_dcdb(struct mrsas_softc *sc, struct mrsas_mpt_cmd *cmd,
889 union ccb *ccb, struct cam_sim *sim)
890{
891 struct ccb_hdr *ccb_h = &(ccb->ccb_h);
892 u_int32_t device_id;
893 MR_DRV_RAID_MAP_ALL *map_ptr;
894 MRSAS_RAID_SCSI_IO_REQUEST *io_request;
895
896 io_request = cmd->io_request;
897 device_id = ccb_h->target_id;
898 map_ptr = sc->ld_drv_map[(sc->map_id & 1)];
899
| 852 cmd->load_balance = MRSAS_LOAD_BALANCE_FLAG;
853 cmd->pd_r1_lb = io_info.pd_after_lb;
854 } else
855 cmd->load_balance = 0;
856 cmd->request_desc->SCSIIO.DevHandle = io_info.devHandle;
857 io_request->DevHandle = io_info.devHandle;
858 } else {
859 /* Not FP IO */
860 io_request->RaidContext.timeoutValue = map_ptr->raidMap.fpPdIoTimeoutSec;
861 cmd->request_desc->SCSIIO.RequestFlags =
862 (MRSAS_REQ_DESCRIPT_FLAGS_LD_IO <<
863 MRSAS_REQ_DESCRIPT_FLAGS_TYPE_SHIFT);
864 if ((sc->device_id == MRSAS_INVADER) || (sc->device_id == MRSAS_FURY)) {
865 if (io_request->RaidContext.regLockFlags == REGION_TYPE_UNUSED)
866 cmd->request_desc->SCSIIO.RequestFlags =
867 (MRSAS_REQ_DESCRIPT_FLAGS_NO_LOCK <<
868 MRSAS_REQ_DESCRIPT_FLAGS_TYPE_SHIFT);
869 io_request->RaidContext.Type = MPI2_TYPE_CUDA;
870 io_request->RaidContext.regLockFlags |=
871 (MR_RL_FLAGS_GRANT_DESTINATION_CPU0 |
872 MR_RL_FLAGS_SEQ_NUM_ENABLE);
873 io_request->RaidContext.nseg = 0x1;
874 }
875 io_request->Function = MRSAS_MPI2_FUNCTION_LD_IO_REQUEST;
876 io_request->DevHandle = device_id;
877 }
878 return (0);
879}
880
881/*
882 * mrsas_build_dcdb: Builds an DCDB command
883 * input: Adapter instance soft state
884 * Pointer to command packet
885 * Pointer to CCB
886 *
887 * This function builds the DCDB inquiry command. It returns 0 if the command
888 * is built successfully, otherwise it returns a 1.
889 */
890int
891mrsas_build_dcdb(struct mrsas_softc *sc, struct mrsas_mpt_cmd *cmd,
892 union ccb *ccb, struct cam_sim *sim)
893{
894 struct ccb_hdr *ccb_h = &(ccb->ccb_h);
895 u_int32_t device_id;
896 MR_DRV_RAID_MAP_ALL *map_ptr;
897 MRSAS_RAID_SCSI_IO_REQUEST *io_request;
898
899 io_request = cmd->io_request;
900 device_id = ccb_h->target_id;
901 map_ptr = sc->ld_drv_map[(sc->map_id & 1)];
902
|
900 /*
901 * Check if this is RW for system PD or
902 * it's a NON RW for sys PD and there is NO secure jbod FW support
903 */
| 903 /*
904 * Check if this is RW for system PD or
905 * it's a NON RW for sys PD and there is NO secure jbod FW support
906 */
|
904 if (cam_sim_bus(sim) == 1 &&
| 907 if (cam_sim_bus(sim) == 1 &&
|
905 sc->pd_list[device_id].driveState == MR_PD_STATE_SYSTEM){
| 908 sc->pd_list[device_id].driveState == MR_PD_STATE_SYSTEM) {
|
906
907 io_request->DevHandle =
| 909
910 io_request->DevHandle =
|
908 map_ptr->raidMap.devHndlInfo[device_id].curDevHdl;
| 911 map_ptr->raidMap.devHndlInfo[device_id].curDevHdl;
|
909 io_request->RaidContext.RAIDFlags =
| 912 io_request->RaidContext.RAIDFlags =
|
910 MR_RAID_FLAGS_IO_SUB_TYPE_SYSTEM_PD <<
911 MR_RAID_CTX_RAID_FLAGS_IO_SUB_TYPE_SHIFT;
| 913 MR_RAID_FLAGS_IO_SUB_TYPE_SYSTEM_PD <<
914 MR_RAID_CTX_RAID_FLAGS_IO_SUB_TYPE_SHIFT;
|
912 cmd->request_desc->SCSIIO.DevHandle = io_request->DevHandle;
913 cmd->request_desc->SCSIIO.MSIxIndex =
| 915 cmd->request_desc->SCSIIO.DevHandle = io_request->DevHandle;
916 cmd->request_desc->SCSIIO.MSIxIndex =
|
914 sc->msix_vectors ? smp_processor_id() % sc->msix_vectors : 0;
| 917 sc->msix_vectors ? smp_processor_id() % sc->msix_vectors : 0;
|
915
| 918
|
916 if(sc->secure_jbod_support && (mrsas_find_io_type(sim, ccb) == NON_READ_WRITE_SYSPDIO)) {
| 919 if (sc->secure_jbod_support && (mrsas_find_io_type(sim, ccb) == NON_READ_WRITE_SYSPDIO)) {
|
917 /* system pd firmware path */
| 920 /* system pd firmware path */
|
918 io_request->Function = MRSAS_MPI2_FUNCTION_LD_IO_REQUEST;
| 921 io_request->Function = MRSAS_MPI2_FUNCTION_LD_IO_REQUEST;
|
919 cmd->request_desc->SCSIIO.RequestFlags =
| 922 cmd->request_desc->SCSIIO.RequestFlags =
|
920 (MPI2_REQ_DESCRIPT_FLAGS_SCSI_IO << MRSAS_REQ_DESCRIPT_FLAGS_TYPE_SHIFT);
| 923 (MPI2_REQ_DESCRIPT_FLAGS_SCSI_IO << MRSAS_REQ_DESCRIPT_FLAGS_TYPE_SHIFT);
|
921 } else {
922 /* system pd fast path */
923 io_request->Function = MPI2_FUNCTION_SCSI_IO_REQUEST;
924 io_request->RaidContext.timeoutValue = map_ptr->raidMap.fpPdIoTimeoutSec;
925 io_request->RaidContext.regLockFlags = 0;
926 io_request->RaidContext.regLockRowLBA = 0;
927 io_request->RaidContext.regLockLength = 0;
928
929 cmd->request_desc->SCSIIO.RequestFlags =
| 924 } else {
925 /* system pd fast path */
926 io_request->Function = MPI2_FUNCTION_SCSI_IO_REQUEST;
927 io_request->RaidContext.timeoutValue = map_ptr->raidMap.fpPdIoTimeoutSec;
928 io_request->RaidContext.regLockFlags = 0;
929 io_request->RaidContext.regLockRowLBA = 0;
930 io_request->RaidContext.regLockLength = 0;
931
932 cmd->request_desc->SCSIIO.RequestFlags =
|
930 (MPI2_REQ_DESCRIPT_FLAGS_HIGH_PRIORITY <<
931 MRSAS_REQ_DESCRIPT_FLAGS_TYPE_SHIFT);
| 933 (MPI2_REQ_DESCRIPT_FLAGS_HIGH_PRIORITY <<
934 MRSAS_REQ_DESCRIPT_FLAGS_TYPE_SHIFT);
|
932
933 /*
934 * NOTE - For system pd RW cmds only IoFlags will be FAST_PATH
935 * Because the NON RW cmds will now go via FW Queue
936 * and not the Exception queue
937 */
938 if ((sc->device_id == MRSAS_INVADER) || (sc->device_id == MRSAS_FURY))
939 io_request->IoFlags |= MPI25_SAS_DEVICE0_FLAGS_ENABLED_FAST_PATH;
| 935
936 /*
937 * NOTE - For system pd RW cmds only IoFlags will be FAST_PATH
938 * Because the NON RW cmds will now go via FW Queue
939 * and not the Exception queue
940 */
941 if ((sc->device_id == MRSAS_INVADER) || (sc->device_id == MRSAS_FURY))
942 io_request->IoFlags |= MPI25_SAS_DEVICE0_FLAGS_ENABLED_FAST_PATH;
|
940 }
| 943 }
|
941 } else {
| 944 } else {
|
942 /* FW path for SysPD or LD Non-RW (SCSI management commands)*/
943 io_request->Function = MRSAS_MPI2_FUNCTION_LD_IO_REQUEST;
| 945 /* FW path for SysPD or LD Non-RW (SCSI management commands) */
946 io_request->Function = MRSAS_MPI2_FUNCTION_LD_IO_REQUEST;
|
944 io_request->DevHandle = device_id;
945 cmd->request_desc->SCSIIO.RequestFlags =
| 947 io_request->DevHandle = device_id;
948 cmd->request_desc->SCSIIO.RequestFlags =
|
946 (MPI2_REQ_DESCRIPT_FLAGS_SCSI_IO <<
947 MRSAS_REQ_DESCRIPT_FLAGS_TYPE_SHIFT);
| 949 (MPI2_REQ_DESCRIPT_FLAGS_SCSI_IO <<
950 MRSAS_REQ_DESCRIPT_FLAGS_TYPE_SHIFT);
|
948 }
949
950 io_request->RaidContext.VirtualDiskTgtId = device_id;
951 io_request->LUN[1] = ccb_h->target_lun & 0xF;
952 io_request->DataLength = cmd->length;
953
954 if (mrsas_map_request(sc, cmd, ccb) == SUCCESS) {
955 if (cmd->sge_count > sc->max_num_sge) {
956 device_printf(sc->mrsas_dev, "Error: sge_count (0x%x) exceeds"
957 "max (0x%x) allowed\n", cmd->sge_count, sc->max_num_sge);
958 return (1);
959 }
960 io_request->RaidContext.numSGE = cmd->sge_count;
961 } else {
962 device_printf(sc->mrsas_dev, "Data map/load failed.\n");
963 return (1);
964 }
965 return (0);
966}
967
968/*
969 * mrsas_map_request: Map and load data
970 * input: Adapter instance soft state
971 * Pointer to command packet
972 *
973 * For data from OS, map and load the data buffer into bus space. The SG list
974 * is built in the callback. If the bus dmamap load is not successful,
975 * cmd->error_code will contain the error code and a 1 is returned.
976 */
| 951 }
952
953 io_request->RaidContext.VirtualDiskTgtId = device_id;
954 io_request->LUN[1] = ccb_h->target_lun & 0xF;
955 io_request->DataLength = cmd->length;
956
957 if (mrsas_map_request(sc, cmd, ccb) == SUCCESS) {
958 if (cmd->sge_count > sc->max_num_sge) {
959 device_printf(sc->mrsas_dev, "Error: sge_count (0x%x) exceeds"
960 "max (0x%x) allowed\n", cmd->sge_count, sc->max_num_sge);
961 return (1);
962 }
963 io_request->RaidContext.numSGE = cmd->sge_count;
964 } else {
965 device_printf(sc->mrsas_dev, "Data map/load failed.\n");
966 return (1);
967 }
968 return (0);
969}
970
971/*
972 * mrsas_map_request: Map and load data
973 * input: Adapter instance soft state
974 * Pointer to command packet
975 *
976 * For data from OS, map and load the data buffer into bus space. The SG list
977 * is built in the callback. If the bus dmamap load is not successful,
978 * cmd->error_code will contain the error code and a 1 is returned.
979 */
|
977int mrsas_map_request(struct mrsas_softc *sc,
978 struct mrsas_mpt_cmd *cmd, union ccb *ccb)
| 980int
981mrsas_map_request(struct mrsas_softc *sc,
982 struct mrsas_mpt_cmd *cmd, union ccb *ccb)
|
979{
980 u_int32_t retcode = 0;
981 struct cam_sim *sim;
982
983 sim = xpt_path_sim(cmd->ccb_ptr->ccb_h.path);
984
985 if (cmd->data != NULL) {
986 /* Map data buffer into bus space */
987 mtx_lock(&sc->io_lock);
988#if (__FreeBSD_version >= 902001)
989 retcode = bus_dmamap_load_ccb(sc->data_tag, cmd->data_dmamap, ccb,
| 983{
984 u_int32_t retcode = 0;
985 struct cam_sim *sim;
986
987 sim = xpt_path_sim(cmd->ccb_ptr->ccb_h.path);
988
989 if (cmd->data != NULL) {
990 /* Map data buffer into bus space */
991 mtx_lock(&sc->io_lock);
992#if (__FreeBSD_version >= 902001)
993 retcode = bus_dmamap_load_ccb(sc->data_tag, cmd->data_dmamap, ccb,
|
990 mrsas_data_load_cb, cmd, 0);
| 994 mrsas_data_load_cb, cmd, 0);
|
991#else
992 retcode = bus_dmamap_load(sc->data_tag, cmd->data_dmamap, cmd->data,
| 995#else
996 retcode = bus_dmamap_load(sc->data_tag, cmd->data_dmamap, cmd->data,
|
993 cmd->length, mrsas_data_load_cb, cmd, BUS_DMA_NOWAIT);
| 997 cmd->length, mrsas_data_load_cb, cmd, BUS_DMA_NOWAIT);
|
994#endif
995 mtx_unlock(&sc->io_lock);
996 if (retcode)
997 device_printf(sc->mrsas_dev, "bus_dmamap_load(): retcode = %d\n", retcode);
998 if (retcode == EINPROGRESS) {
999 device_printf(sc->mrsas_dev, "request load in progress\n");
1000 mrsas_freeze_simq(cmd, sim);
1001 }
1002 }
1003 if (cmd->error_code)
1004 return (1);
1005 return (retcode);
1006}
1007
1008/*
1009 * mrsas_unmap_request: Unmap and unload data
1010 * input: Adapter instance soft state
1011 * Pointer to command packet
1012 *
1013 * This function unmaps and unloads data from OS.
1014 */
1015void
1016mrsas_unmap_request(struct mrsas_softc *sc, struct mrsas_mpt_cmd *cmd)
1017{
1018 if (cmd->data != NULL) {
1019 if (cmd->flags & MRSAS_DIR_IN)
1020 bus_dmamap_sync(sc->data_tag, cmd->data_dmamap, BUS_DMASYNC_POSTREAD);
1021 if (cmd->flags & MRSAS_DIR_OUT)
1022 bus_dmamap_sync(sc->data_tag, cmd->data_dmamap, BUS_DMASYNC_POSTWRITE);
1023 mtx_lock(&sc->io_lock);
1024 bus_dmamap_unload(sc->data_tag, cmd->data_dmamap);
1025 mtx_unlock(&sc->io_lock);
1026 }
1027}
1028
1029/*
1030 * mrsas_data_load_cb: Callback entry point
1031 * input: Pointer to command packet as argument
1032 * Pointer to segment
1033 * Number of segments Error
1034 *
1035 * This is the callback function of the bus dma map load. It builds the SG
1036 * list.
1037 */
1038static void
1039mrsas_data_load_cb(void *arg, bus_dma_segment_t *segs, int nseg, int error)
1040{
1041 struct mrsas_mpt_cmd *cmd = (struct mrsas_mpt_cmd *)arg;
1042 struct mrsas_softc *sc = cmd->sc;
1043 MRSAS_RAID_SCSI_IO_REQUEST *io_request;
1044 pMpi25IeeeSgeChain64_t sgl_ptr;
1045 int i = 0, sg_processed = 0;
1046
1047 if (error) {
1048 cmd->error_code = error;
1049 device_printf(sc->mrsas_dev, "mrsas_data_load_cb: error=%d\n", error);
1050 if (error == EFBIG) {
1051 cmd->ccb_ptr->ccb_h.status = CAM_REQ_TOO_BIG;
1052 return;
1053 }
1054 }
1055 if (cmd->flags & MRSAS_DIR_IN)
1056 bus_dmamap_sync(cmd->sc->data_tag, cmd->data_dmamap,
1057 BUS_DMASYNC_PREREAD);
1058 if (cmd->flags & MRSAS_DIR_OUT)
1059 bus_dmamap_sync(cmd->sc->data_tag, cmd->data_dmamap,
1060 BUS_DMASYNC_PREWRITE);
1061 if (nseg > sc->max_num_sge) {
1062 device_printf(sc->mrsas_dev, "SGE count is too large or 0.\n");
1063 return;
1064 }
1065 io_request = cmd->io_request;
1066 sgl_ptr = (pMpi25IeeeSgeChain64_t)&io_request->SGL;
1067
1068 if ((sc->device_id == MRSAS_INVADER) || (sc->device_id == MRSAS_FURY)) {
1069 pMpi25IeeeSgeChain64_t sgl_ptr_end = sgl_ptr;
1070
1071 sgl_ptr_end += sc->max_sge_in_main_msg - 1;
1072 sgl_ptr_end->Flags = 0;
1073 }
1074 if (nseg != 0) {
1075 for (i = 0; i < nseg; i++) {
1076 sgl_ptr->Address = segs[i].ds_addr;
1077 sgl_ptr->Length = segs[i].ds_len;
1078 sgl_ptr->Flags = 0;
1079 if ((sc->device_id == MRSAS_INVADER) || (sc->device_id == MRSAS_FURY)) {
1080 if (i == nseg - 1)
1081 sgl_ptr->Flags = IEEE_SGE_FLAGS_END_OF_LIST;
1082 }
1083 sgl_ptr++;
1084 sg_processed = i + 1;
1085 if ((sg_processed == (sc->max_sge_in_main_msg - 1)) &&
1086 (nseg > sc->max_sge_in_main_msg)) {
1087 pMpi25IeeeSgeChain64_t sg_chain;
1088
1089 if ((sc->device_id == MRSAS_INVADER) || (sc->device_id == MRSAS_FURY)) {
1090 if ((cmd->io_request->IoFlags & MPI25_SAS_DEVICE0_FLAGS_ENABLED_FAST_PATH)
1091 != MPI25_SAS_DEVICE0_FLAGS_ENABLED_FAST_PATH)
1092 cmd->io_request->ChainOffset = sc->chain_offset_io_request;
1093 else
1094 cmd->io_request->ChainOffset = 0;
1095 } else
1096 cmd->io_request->ChainOffset = sc->chain_offset_io_request;
1097 sg_chain = sgl_ptr;
1098 if ((sc->device_id == MRSAS_INVADER) || (sc->device_id == MRSAS_FURY))
1099 sg_chain->Flags = IEEE_SGE_FLAGS_CHAIN_ELEMENT;
1100 else
1101 sg_chain->Flags = (IEEE_SGE_FLAGS_CHAIN_ELEMENT | MPI2_IEEE_SGE_FLAGS_IOCPLBNTA_ADDR);
1102 sg_chain->Length = (sizeof(MPI2_SGE_IO_UNION) * (nseg - sg_processed));
1103 sg_chain->Address = cmd->chain_frame_phys_addr;
1104 sgl_ptr = (pMpi25IeeeSgeChain64_t)cmd->chain_frame;
1105 }
1106 }
1107 }
1108 cmd->sge_count = nseg;
1109}
1110
1111/*
1112 * mrsas_freeze_simq: Freeze SIM queue
1113 * input: Pointer to command packet
1114 * Pointer to SIM
1115 *
1116 * This function freezes the sim queue.
1117 */
1118static void
1119mrsas_freeze_simq(struct mrsas_mpt_cmd *cmd, struct cam_sim *sim)
1120{
1121 union ccb *ccb = (union ccb *)(cmd->ccb_ptr);
1122
1123 xpt_freeze_simq(sim, 1);
1124 ccb->ccb_h.status |= CAM_RELEASE_SIMQ;
1125 ccb->ccb_h.status |= CAM_REQUEUE_REQ;
1126}
1127
1128void
1129mrsas_xpt_freeze(struct mrsas_softc *sc)
1130{
1131 xpt_freeze_simq(sc->sim_0, 1);
1132 xpt_freeze_simq(sc->sim_1, 1);
1133}
1134
1135void
1136mrsas_xpt_release(struct mrsas_softc *sc)
1137{
1138 xpt_release_simq(sc->sim_0, 1);
1139 xpt_release_simq(sc->sim_1, 1);
1140}
1141
1142/*
1143 * mrsas_cmd_done: Perform remaining command completion
1144 * input: Adapter instance soft state Pointer to command packet
1145 *
1146 * This function calls ummap request and releases the MPT command.
1147 */
1148void
1149mrsas_cmd_done(struct mrsas_softc *sc, struct mrsas_mpt_cmd *cmd)
1150{
1151 callout_stop(&cmd->cm_callout);
1152 mrsas_unmap_request(sc, cmd);
1153 mtx_lock(&sc->sim_lock);
1154 xpt_done(cmd->ccb_ptr);
1155 cmd->ccb_ptr = NULL;
1156 mtx_unlock(&sc->sim_lock);
1157 mrsas_release_mpt_cmd(cmd);
1158}
1159
1160/*
1161 * mrsas_cam_poll: Polling entry point
1162 * input: Pointer to SIM
1163 *
1164 * This is currently a stub function.
1165 */
1166static void
1167mrsas_cam_poll(struct cam_sim *sim)
1168{
1169 struct mrsas_softc *sc = (struct mrsas_softc *)cam_sim_softc(sim);
1170
1171 mrsas_isr((void *)sc);
1172}
1173
1174/*
1175 * mrsas_bus_scan: Perform bus scan
1176 * input: Adapter instance soft state
1177 *
1178 * This mrsas_bus_scan function is needed for FreeBSD 7.x. Also, it should not
1179 * be called in FreeBSD 8.x and later versions, where the bus scan is
1180 * automatic.
1181 */
1182int
1183mrsas_bus_scan(struct mrsas_softc *sc)
1184{
1185 union ccb *ccb_0;
1186 union ccb *ccb_1;
1187
1188 if ((ccb_0 = xpt_alloc_ccb()) == NULL) {
1189 return (ENOMEM);
1190 }
1191 if ((ccb_1 = xpt_alloc_ccb()) == NULL) {
1192 xpt_free_ccb(ccb_0);
1193 return (ENOMEM);
1194 }
1195 mtx_lock(&sc->sim_lock);
1196 if (xpt_create_path(&ccb_0->ccb_h.path, xpt_periph, cam_sim_path(sc->sim_0),
1197 CAM_TARGET_WILDCARD, CAM_LUN_WILDCARD) != CAM_REQ_CMP) {
1198 xpt_free_ccb(ccb_0);
1199 xpt_free_ccb(ccb_1);
1200 mtx_unlock(&sc->sim_lock);
1201 return (EIO);
1202 }
1203 if (xpt_create_path(&ccb_1->ccb_h.path, xpt_periph, cam_sim_path(sc->sim_1),
1204 CAM_TARGET_WILDCARD, CAM_LUN_WILDCARD) != CAM_REQ_CMP) {
1205 xpt_free_ccb(ccb_0);
1206 xpt_free_ccb(ccb_1);
1207 mtx_unlock(&sc->sim_lock);
1208 return (EIO);
1209 }
1210 mtx_unlock(&sc->sim_lock);
1211 xpt_rescan(ccb_0);
1212 xpt_rescan(ccb_1);
1213
1214 return (0);
1215}
1216
1217/*
1218 * mrsas_bus_scan_sim: Perform bus scan per SIM
1219 * input: adapter instance soft state
1220 *
1221 * This function will be called from Event handler on LD creation/deletion,
1222 * JBOD on/off.
1223 */
1224int
1225mrsas_bus_scan_sim(struct mrsas_softc *sc, struct cam_sim *sim)
1226{
1227 union ccb *ccb;
1228
1229 if ((ccb = xpt_alloc_ccb()) == NULL) {
1230 return (ENOMEM);
1231 }
1232 mtx_lock(&sc->sim_lock);
1233 if (xpt_create_path(&ccb->ccb_h.path, xpt_periph, cam_sim_path(sim),
1234 CAM_TARGET_WILDCARD, CAM_LUN_WILDCARD) != CAM_REQ_CMP) {
1235 xpt_free_ccb(ccb);
1236 mtx_unlock(&sc->sim_lock);
1237 return (EIO);
1238 }
1239 mtx_unlock(&sc->sim_lock);
1240 xpt_rescan(ccb);
1241
1242 return (0);
1243}
| 998#endif
999 mtx_unlock(&sc->io_lock);
1000 if (retcode)
1001 device_printf(sc->mrsas_dev, "bus_dmamap_load(): retcode = %d\n", retcode);
1002 if (retcode == EINPROGRESS) {
1003 device_printf(sc->mrsas_dev, "request load in progress\n");
1004 mrsas_freeze_simq(cmd, sim);
1005 }
1006 }
1007 if (cmd->error_code)
1008 return (1);
1009 return (retcode);
1010}
1011
1012/*
1013 * mrsas_unmap_request: Unmap and unload data
1014 * input: Adapter instance soft state
1015 * Pointer to command packet
1016 *
1017 * This function unmaps and unloads data from OS.
1018 */
1019void
1020mrsas_unmap_request(struct mrsas_softc *sc, struct mrsas_mpt_cmd *cmd)
1021{
1022 if (cmd->data != NULL) {
1023 if (cmd->flags & MRSAS_DIR_IN)
1024 bus_dmamap_sync(sc->data_tag, cmd->data_dmamap, BUS_DMASYNC_POSTREAD);
1025 if (cmd->flags & MRSAS_DIR_OUT)
1026 bus_dmamap_sync(sc->data_tag, cmd->data_dmamap, BUS_DMASYNC_POSTWRITE);
1027 mtx_lock(&sc->io_lock);
1028 bus_dmamap_unload(sc->data_tag, cmd->data_dmamap);
1029 mtx_unlock(&sc->io_lock);
1030 }
1031}
1032
1033/*
1034 * mrsas_data_load_cb: Callback entry point
1035 * input: Pointer to command packet as argument
1036 * Pointer to segment
1037 * Number of segments Error
1038 *
1039 * This is the callback function of the bus dma map load. It builds the SG
1040 * list.
1041 */
1042static void
1043mrsas_data_load_cb(void *arg, bus_dma_segment_t *segs, int nseg, int error)
1044{
1045 struct mrsas_mpt_cmd *cmd = (struct mrsas_mpt_cmd *)arg;
1046 struct mrsas_softc *sc = cmd->sc;
1047 MRSAS_RAID_SCSI_IO_REQUEST *io_request;
1048 pMpi25IeeeSgeChain64_t sgl_ptr;
1049 int i = 0, sg_processed = 0;
1050
1051 if (error) {
1052 cmd->error_code = error;
1053 device_printf(sc->mrsas_dev, "mrsas_data_load_cb: error=%d\n", error);
1054 if (error == EFBIG) {
1055 cmd->ccb_ptr->ccb_h.status = CAM_REQ_TOO_BIG;
1056 return;
1057 }
1058 }
1059 if (cmd->flags & MRSAS_DIR_IN)
1060 bus_dmamap_sync(cmd->sc->data_tag, cmd->data_dmamap,
1061 BUS_DMASYNC_PREREAD);
1062 if (cmd->flags & MRSAS_DIR_OUT)
1063 bus_dmamap_sync(cmd->sc->data_tag, cmd->data_dmamap,
1064 BUS_DMASYNC_PREWRITE);
1065 if (nseg > sc->max_num_sge) {
1066 device_printf(sc->mrsas_dev, "SGE count is too large or 0.\n");
1067 return;
1068 }
1069 io_request = cmd->io_request;
1070 sgl_ptr = (pMpi25IeeeSgeChain64_t)&io_request->SGL;
1071
1072 if ((sc->device_id == MRSAS_INVADER) || (sc->device_id == MRSAS_FURY)) {
1073 pMpi25IeeeSgeChain64_t sgl_ptr_end = sgl_ptr;
1074
1075 sgl_ptr_end += sc->max_sge_in_main_msg - 1;
1076 sgl_ptr_end->Flags = 0;
1077 }
1078 if (nseg != 0) {
1079 for (i = 0; i < nseg; i++) {
1080 sgl_ptr->Address = segs[i].ds_addr;
1081 sgl_ptr->Length = segs[i].ds_len;
1082 sgl_ptr->Flags = 0;
1083 if ((sc->device_id == MRSAS_INVADER) || (sc->device_id == MRSAS_FURY)) {
1084 if (i == nseg - 1)
1085 sgl_ptr->Flags = IEEE_SGE_FLAGS_END_OF_LIST;
1086 }
1087 sgl_ptr++;
1088 sg_processed = i + 1;
1089 if ((sg_processed == (sc->max_sge_in_main_msg - 1)) &&
1090 (nseg > sc->max_sge_in_main_msg)) {
1091 pMpi25IeeeSgeChain64_t sg_chain;
1092
1093 if ((sc->device_id == MRSAS_INVADER) || (sc->device_id == MRSAS_FURY)) {
1094 if ((cmd->io_request->IoFlags & MPI25_SAS_DEVICE0_FLAGS_ENABLED_FAST_PATH)
1095 != MPI25_SAS_DEVICE0_FLAGS_ENABLED_FAST_PATH)
1096 cmd->io_request->ChainOffset = sc->chain_offset_io_request;
1097 else
1098 cmd->io_request->ChainOffset = 0;
1099 } else
1100 cmd->io_request->ChainOffset = sc->chain_offset_io_request;
1101 sg_chain = sgl_ptr;
1102 if ((sc->device_id == MRSAS_INVADER) || (sc->device_id == MRSAS_FURY))
1103 sg_chain->Flags = IEEE_SGE_FLAGS_CHAIN_ELEMENT;
1104 else
1105 sg_chain->Flags = (IEEE_SGE_FLAGS_CHAIN_ELEMENT | MPI2_IEEE_SGE_FLAGS_IOCPLBNTA_ADDR);
1106 sg_chain->Length = (sizeof(MPI2_SGE_IO_UNION) * (nseg - sg_processed));
1107 sg_chain->Address = cmd->chain_frame_phys_addr;
1108 sgl_ptr = (pMpi25IeeeSgeChain64_t)cmd->chain_frame;
1109 }
1110 }
1111 }
1112 cmd->sge_count = nseg;
1113}
1114
1115/*
1116 * mrsas_freeze_simq: Freeze SIM queue
1117 * input: Pointer to command packet
1118 * Pointer to SIM
1119 *
1120 * This function freezes the sim queue.
1121 */
1122static void
1123mrsas_freeze_simq(struct mrsas_mpt_cmd *cmd, struct cam_sim *sim)
1124{
1125 union ccb *ccb = (union ccb *)(cmd->ccb_ptr);
1126
1127 xpt_freeze_simq(sim, 1);
1128 ccb->ccb_h.status |= CAM_RELEASE_SIMQ;
1129 ccb->ccb_h.status |= CAM_REQUEUE_REQ;
1130}
1131
1132void
1133mrsas_xpt_freeze(struct mrsas_softc *sc)
1134{
1135 xpt_freeze_simq(sc->sim_0, 1);
1136 xpt_freeze_simq(sc->sim_1, 1);
1137}
1138
1139void
1140mrsas_xpt_release(struct mrsas_softc *sc)
1141{
1142 xpt_release_simq(sc->sim_0, 1);
1143 xpt_release_simq(sc->sim_1, 1);
1144}
1145
1146/*
1147 * mrsas_cmd_done: Perform remaining command completion
1148 * input: Adapter instance soft state Pointer to command packet
1149 *
1150 * This function calls ummap request and releases the MPT command.
1151 */
1152void
1153mrsas_cmd_done(struct mrsas_softc *sc, struct mrsas_mpt_cmd *cmd)
1154{
1155 callout_stop(&cmd->cm_callout);
1156 mrsas_unmap_request(sc, cmd);
1157 mtx_lock(&sc->sim_lock);
1158 xpt_done(cmd->ccb_ptr);
1159 cmd->ccb_ptr = NULL;
1160 mtx_unlock(&sc->sim_lock);
1161 mrsas_release_mpt_cmd(cmd);
1162}
1163
1164/*
1165 * mrsas_cam_poll: Polling entry point
1166 * input: Pointer to SIM
1167 *
1168 * This is currently a stub function.
1169 */
1170static void
1171mrsas_cam_poll(struct cam_sim *sim)
1172{
1173 struct mrsas_softc *sc = (struct mrsas_softc *)cam_sim_softc(sim);
1174
1175 mrsas_isr((void *)sc);
1176}
1177
1178/*
1179 * mrsas_bus_scan: Perform bus scan
1180 * input: Adapter instance soft state
1181 *
1182 * This mrsas_bus_scan function is needed for FreeBSD 7.x. Also, it should not
1183 * be called in FreeBSD 8.x and later versions, where the bus scan is
1184 * automatic.
1185 */
1186int
1187mrsas_bus_scan(struct mrsas_softc *sc)
1188{
1189 union ccb *ccb_0;
1190 union ccb *ccb_1;
1191
1192 if ((ccb_0 = xpt_alloc_ccb()) == NULL) {
1193 return (ENOMEM);
1194 }
1195 if ((ccb_1 = xpt_alloc_ccb()) == NULL) {
1196 xpt_free_ccb(ccb_0);
1197 return (ENOMEM);
1198 }
1199 mtx_lock(&sc->sim_lock);
1200 if (xpt_create_path(&ccb_0->ccb_h.path, xpt_periph, cam_sim_path(sc->sim_0),
1201 CAM_TARGET_WILDCARD, CAM_LUN_WILDCARD) != CAM_REQ_CMP) {
1202 xpt_free_ccb(ccb_0);
1203 xpt_free_ccb(ccb_1);
1204 mtx_unlock(&sc->sim_lock);
1205 return (EIO);
1206 }
1207 if (xpt_create_path(&ccb_1->ccb_h.path, xpt_periph, cam_sim_path(sc->sim_1),
1208 CAM_TARGET_WILDCARD, CAM_LUN_WILDCARD) != CAM_REQ_CMP) {
1209 xpt_free_ccb(ccb_0);
1210 xpt_free_ccb(ccb_1);
1211 mtx_unlock(&sc->sim_lock);
1212 return (EIO);
1213 }
1214 mtx_unlock(&sc->sim_lock);
1215 xpt_rescan(ccb_0);
1216 xpt_rescan(ccb_1);
1217
1218 return (0);
1219}
1220
1221/*
1222 * mrsas_bus_scan_sim: Perform bus scan per SIM
1223 * input: adapter instance soft state
1224 *
1225 * This function will be called from Event handler on LD creation/deletion,
1226 * JBOD on/off.
1227 */
1228int
1229mrsas_bus_scan_sim(struct mrsas_softc *sc, struct cam_sim *sim)
1230{
1231 union ccb *ccb;
1232
1233 if ((ccb = xpt_alloc_ccb()) == NULL) {
1234 return (ENOMEM);
1235 }
1236 mtx_lock(&sc->sim_lock);
1237 if (xpt_create_path(&ccb->ccb_h.path, xpt_periph, cam_sim_path(sim),
1238 CAM_TARGET_WILDCARD, CAM_LUN_WILDCARD) != CAM_REQ_CMP) {
1239 xpt_free_ccb(ccb);
1240 mtx_unlock(&sc->sim_lock);
1241 return (EIO);
1242 }
1243 mtx_unlock(&sc->sim_lock);
1244 xpt_rescan(ccb);
1245
1246 return (0);
1247}
|