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
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions are
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
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
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29 * POSSIBILITY OF SUCH DAMAGE.
33 #include <sys/cdefs.h>
34 __FBSDID("$FreeBSD$");
36 #include "dev/mrsas/mrsas.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>
46 #include <cam/scsi/scsi_all.h>
47 #include <cam/scsi/scsi_message.h>
48 #include <sys/taskqueue.h>
49 #include <sys/kernel.h>
52 #include <sys/time.h> /* XXX for pcpu.h */
53 #include <sys/pcpu.h> /* XXX for PCPU_GET */
55 #define smp_processor_id() PCPU_GET(cpuid)
60 int mrsas_cam_attach(struct mrsas_softc *sc);
61 int mrsas_find_io_type(struct cam_sim *sim, union ccb *ccb);
62 int mrsas_bus_scan(struct mrsas_softc *sc);
63 int mrsas_bus_scan_sim(struct mrsas_softc *sc, struct cam_sim *sim);
65 mrsas_map_request(struct mrsas_softc *sc,
66 struct mrsas_mpt_cmd *cmd, union ccb *ccb);
68 mrsas_build_ldio_rw(struct mrsas_softc *sc, struct mrsas_mpt_cmd *cmd,
71 mrsas_build_ldio_nonrw(struct mrsas_softc *sc, struct mrsas_mpt_cmd *cmd,
74 mrsas_build_syspdio(struct mrsas_softc *sc, struct mrsas_mpt_cmd *cmd,
75 union ccb *ccb, struct cam_sim *sim, u_int8_t fp_possible);
77 mrsas_setup_io(struct mrsas_softc *sc, struct mrsas_mpt_cmd *cmd,
78 union ccb *ccb, u_int32_t device_id,
79 MRSAS_RAID_SCSI_IO_REQUEST * io_request);
80 void mrsas_xpt_freeze(struct mrsas_softc *sc);
81 void mrsas_xpt_release(struct mrsas_softc *sc);
82 void mrsas_cam_detach(struct mrsas_softc *sc);
83 void mrsas_release_mpt_cmd(struct mrsas_mpt_cmd *cmd);
84 void mrsas_unmap_request(struct mrsas_softc *sc, struct mrsas_mpt_cmd *cmd);
85 void mrsas_cmd_done(struct mrsas_softc *sc, struct mrsas_mpt_cmd *cmd);
87 mrsas_fire_cmd(struct mrsas_softc *sc, u_int32_t req_desc_lo,
88 u_int32_t req_desc_hi);
90 mrsas_set_pd_lba(MRSAS_RAID_SCSI_IO_REQUEST * io_request,
91 u_int8_t cdb_len, struct IO_REQUEST_INFO *io_info, union ccb *ccb,
92 MR_DRV_RAID_MAP_ALL * local_map_ptr, u_int32_t ref_tag,
93 u_int32_t ld_block_size);
94 static void mrsas_freeze_simq(struct mrsas_mpt_cmd *cmd, struct cam_sim *sim);
95 static void mrsas_cam_poll(struct cam_sim *sim);
96 static void mrsas_action(struct cam_sim *sim, union ccb *ccb);
97 static void mrsas_scsiio_timeout(void *data);
98 static int mrsas_track_scsiio(struct mrsas_softc *sc, target_id_t id, u_int32_t bus_id);
99 static void mrsas_tm_response_code(struct mrsas_softc *sc,
100 MPI2_SCSI_TASK_MANAGE_REPLY *mpi_reply);
101 static int mrsas_issue_tm(struct mrsas_softc *sc,
102 MRSAS_REQUEST_DESCRIPTOR_UNION *req_desc);
104 mrsas_data_load_cb(void *arg, bus_dma_segment_t *segs,
105 int nseg, int error);
107 mrsas_startio(struct mrsas_softc *sc, struct cam_sim *sim,
109 struct mrsas_mpt_cmd *mrsas_get_mpt_cmd(struct mrsas_softc *sc);
110 MRSAS_REQUEST_DESCRIPTOR_UNION *
111 mrsas_get_request_desc(struct mrsas_softc *sc, u_int16_t index);
114 mrsas_map_mpt_cmd_status(struct mrsas_mpt_cmd *cmd, u_int8_t status,
116 extern int mrsas_reset_targets(struct mrsas_softc *sc);
117 extern u_int16_t MR_TargetIdToLdGet(u_int32_t ldTgtId, MR_DRV_RAID_MAP_ALL * map);
119 MR_LdBlockSizeGet(u_int32_t ldTgtId, MR_DRV_RAID_MAP_ALL * map);
120 extern void mrsas_isr(void *arg);
121 extern void mrsas_aen_handler(struct mrsas_softc *sc);
123 MR_BuildRaidContext(struct mrsas_softc *sc,
124 struct IO_REQUEST_INFO *io_info, RAID_CONTEXT * pRAID_Context,
125 MR_DRV_RAID_MAP_ALL * map);
127 MR_LdSpanArrayGet(u_int32_t ld, u_int32_t span,
128 MR_DRV_RAID_MAP_ALL * map);
130 mrsas_get_updated_dev_handle(struct mrsas_softc *sc,
131 PLD_LOAD_BALANCE_INFO lbInfo, struct IO_REQUEST_INFO *io_info);
133 megasas_get_best_arm(PLD_LOAD_BALANCE_INFO lbInfo, u_int8_t arm,
134 u_int64_t block, u_int32_t count);
135 extern int mrsas_complete_cmd(struct mrsas_softc *sc, u_int32_t MSIxIndex);
136 extern MR_LD_RAID *MR_LdRaidGet(u_int32_t ld, MR_DRV_RAID_MAP_ALL * map);
137 extern void mrsas_disable_intr(struct mrsas_softc *sc);
138 extern void mrsas_enable_intr(struct mrsas_softc *sc);
142 * mrsas_cam_attach: Main entry to CAM subsystem
143 * input: Adapter instance soft state
145 * This function is called from mrsas_attach() during initialization to perform
146 * SIM allocations and XPT bus registration. If the kernel version is 7.4 or
147 * earlier, it would also initiate a bus scan.
150 mrsas_cam_attach(struct mrsas_softc *sc)
152 struct cam_devq *devq;
155 mrsas_cam_depth = sc->max_fw_cmds - MRSAS_INTERNAL_CMDS;
157 if ((devq = cam_simq_alloc(mrsas_cam_depth)) == NULL) {
158 device_printf(sc->mrsas_dev, "Cannot allocate SIM queue\n");
162 * Create SIM for bus 0 and register, also create path
164 sc->sim_0 = cam_sim_alloc(mrsas_action, mrsas_cam_poll, "mrsas", sc,
165 device_get_unit(sc->mrsas_dev), &sc->sim_lock, mrsas_cam_depth,
166 mrsas_cam_depth, devq);
167 if (sc->sim_0 == NULL) {
169 device_printf(sc->mrsas_dev, "Cannot register SIM\n");
172 /* Initialize taskqueue for Event Handling */
173 TASK_INIT(&sc->ev_task, 0, (void *)mrsas_aen_handler, sc);
174 sc->ev_tq = taskqueue_create("mrsas_taskq", M_NOWAIT | M_ZERO,
175 taskqueue_thread_enqueue, &sc->ev_tq);
177 /* Run the task queue with lowest priority */
178 taskqueue_start_threads(&sc->ev_tq, 1, 255, "%s taskq",
179 device_get_nameunit(sc->mrsas_dev));
180 mtx_lock(&sc->sim_lock);
181 if (xpt_bus_register(sc->sim_0, sc->mrsas_dev, 0) != CAM_SUCCESS) {
182 cam_sim_free(sc->sim_0, TRUE); /* passing true frees the devq */
183 mtx_unlock(&sc->sim_lock);
186 if (xpt_create_path(&sc->path_0, NULL, cam_sim_path(sc->sim_0),
187 CAM_TARGET_WILDCARD, CAM_LUN_WILDCARD) != CAM_REQ_CMP) {
188 xpt_bus_deregister(cam_sim_path(sc->sim_0));
189 cam_sim_free(sc->sim_0, TRUE); /* passing true will free the
191 mtx_unlock(&sc->sim_lock);
194 mtx_unlock(&sc->sim_lock);
197 * Create SIM for bus 1 and register, also create path
199 sc->sim_1 = cam_sim_alloc(mrsas_action, mrsas_cam_poll, "mrsas", sc,
200 device_get_unit(sc->mrsas_dev), &sc->sim_lock, mrsas_cam_depth,
201 mrsas_cam_depth, devq);
202 if (sc->sim_1 == NULL) {
204 device_printf(sc->mrsas_dev, "Cannot register SIM\n");
207 mtx_lock(&sc->sim_lock);
208 if (xpt_bus_register(sc->sim_1, sc->mrsas_dev, 1) != CAM_SUCCESS) {
209 cam_sim_free(sc->sim_1, TRUE); /* passing true frees the devq */
210 mtx_unlock(&sc->sim_lock);
213 if (xpt_create_path(&sc->path_1, NULL, cam_sim_path(sc->sim_1),
215 CAM_LUN_WILDCARD) != CAM_REQ_CMP) {
216 xpt_bus_deregister(cam_sim_path(sc->sim_1));
217 cam_sim_free(sc->sim_1, TRUE);
218 mtx_unlock(&sc->sim_lock);
221 mtx_unlock(&sc->sim_lock);
223 #if (__FreeBSD_version <= 704000)
224 if (mrsas_bus_scan(sc)) {
225 device_printf(sc->mrsas_dev, "Error in bus scan.\n");
233 * mrsas_cam_detach: De-allocates and teardown CAM
234 * input: Adapter instance soft state
236 * De-registers and frees the paths and SIMs.
239 mrsas_cam_detach(struct mrsas_softc *sc)
241 if (sc->ev_tq != NULL)
242 taskqueue_free(sc->ev_tq);
243 mtx_lock(&sc->sim_lock);
245 xpt_free_path(sc->path_0);
247 xpt_bus_deregister(cam_sim_path(sc->sim_0));
248 cam_sim_free(sc->sim_0, FALSE);
251 xpt_free_path(sc->path_1);
253 xpt_bus_deregister(cam_sim_path(sc->sim_1));
254 cam_sim_free(sc->sim_1, TRUE);
256 mtx_unlock(&sc->sim_lock);
260 * mrsas_action: SIM callback entry point
261 * input: pointer to SIM pointer to CAM Control Block
263 * This function processes CAM subsystem requests. The type of request is stored
264 * in ccb->ccb_h.func_code. The preprocessor #ifdef is necessary because
265 * ccb->cpi.maxio is not supported for FreeBSD version 7.4 or earlier.
268 mrsas_action(struct cam_sim *sim, union ccb *ccb)
270 struct mrsas_softc *sc = (struct mrsas_softc *)cam_sim_softc(sim);
271 struct ccb_hdr *ccb_h = &(ccb->ccb_h);
275 * Check if the system going down
276 * or the adapter is in unrecoverable critical error
278 if (sc->remove_in_progress ||
279 (sc->adprecovery == MRSAS_HW_CRITICAL_ERROR)) {
280 ccb->ccb_h.status |= CAM_DEV_NOT_THERE;
285 switch (ccb->ccb_h.func_code) {
288 device_id = ccb_h->target_id;
291 * bus 0 is LD, bus 1 is for system-PD
293 if (cam_sim_bus(sim) == 1 &&
294 sc->pd_list[device_id].driveState != MR_PD_STATE_SYSTEM) {
295 ccb->ccb_h.status |= CAM_DEV_NOT_THERE;
298 if (mrsas_startio(sc, sim, ccb)) {
299 ccb->ccb_h.status |= CAM_REQ_INVALID;
307 ccb->ccb_h.status = CAM_UA_ABORT;
316 case XPT_GET_TRAN_SETTINGS:
318 ccb->cts.protocol = PROTO_SCSI;
319 ccb->cts.protocol_version = SCSI_REV_2;
320 ccb->cts.transport = XPORT_SPI;
321 ccb->cts.transport_version = 2;
322 ccb->cts.xport_specific.spi.valid = CTS_SPI_VALID_DISC;
323 ccb->cts.xport_specific.spi.flags = CTS_SPI_FLAGS_DISC_ENB;
324 ccb->cts.proto_specific.scsi.valid = CTS_SCSI_VALID_TQ;
325 ccb->cts.proto_specific.scsi.flags = CTS_SCSI_FLAGS_TAG_ENB;
326 ccb->ccb_h.status = CAM_REQ_CMP;
330 case XPT_SET_TRAN_SETTINGS:
332 ccb->ccb_h.status = CAM_FUNC_NOTAVAIL;
336 case XPT_CALC_GEOMETRY:
338 cam_calc_geometry(&ccb->ccg, 1);
344 ccb->cpi.version_num = 1;
345 ccb->cpi.hba_inquiry = 0;
346 ccb->cpi.target_sprt = 0;
347 #if (__FreeBSD_version >= 902001)
348 ccb->cpi.hba_misc = PIM_UNMAPPED;
350 ccb->cpi.hba_misc = 0;
352 ccb->cpi.hba_eng_cnt = 0;
353 ccb->cpi.max_lun = MRSAS_SCSI_MAX_LUNS;
354 ccb->cpi.unit_number = cam_sim_unit(sim);
355 ccb->cpi.bus_id = cam_sim_bus(sim);
356 ccb->cpi.initiator_id = MRSAS_SCSI_INITIATOR_ID;
357 ccb->cpi.base_transfer_speed = 150000;
358 strlcpy(ccb->cpi.sim_vid, "FreeBSD", SIM_IDLEN);
359 strlcpy(ccb->cpi.hba_vid, "AVAGO", HBA_IDLEN);
360 strlcpy(ccb->cpi.dev_name, cam_sim_name(sim), DEV_IDLEN);
361 ccb->cpi.transport = XPORT_SPI;
362 ccb->cpi.transport_version = 2;
363 ccb->cpi.protocol = PROTO_SCSI;
364 ccb->cpi.protocol_version = SCSI_REV_2;
365 if (ccb->cpi.bus_id == 0)
366 ccb->cpi.max_target = MRSAS_MAX_PD - 1;
368 ccb->cpi.max_target = MRSAS_MAX_LD_IDS - 1;
369 #if (__FreeBSD_version > 704000)
370 ccb->cpi.maxio = sc->max_num_sge * MRSAS_PAGE_SIZE;
372 ccb->ccb_h.status = CAM_REQ_CMP;
378 ccb->ccb_h.status = CAM_REQ_INVALID;
386 * mrsas_scsiio_timeout: Callback function for IO timed out
387 * input: mpt command context
389 * This function will execute after timeout value provided by ccb header from
390 * CAM layer, if timer expires. Driver will run timer for all DCDM and LDIO
391 * coming from CAM layer. This function is callback function for IO timeout
392 * and it runs in no-sleep context. Set do_timedout_reset in Adapter context
393 * so that it will execute OCR/Kill adpter from ocr_thread context.
396 mrsas_scsiio_timeout(void *data)
398 struct mrsas_mpt_cmd *cmd;
399 struct mrsas_softc *sc;
405 cmd = (struct mrsas_mpt_cmd *)data;
408 if (cmd->ccb_ptr == NULL) {
409 printf("command timeout with NULL ccb\n");
414 * Below callout is dummy entry so that it will be cancelled from
415 * mrsas_cmd_done(). Now Controller will go to OCR/Kill Adapter based
416 * on OCR enable/disable property of Controller from ocr_thread
419 #if (__FreeBSD_version >= 1000510)
420 callout_reset_sbt(&cmd->cm_callout, SBT_1S * 180, 0,
421 mrsas_scsiio_timeout, cmd, 0);
423 callout_reset(&cmd->cm_callout, (180000 * hz) / 1000,
424 mrsas_scsiio_timeout, cmd);
427 if (cmd->ccb_ptr->cpi.bus_id == 0)
428 target_id = cmd->ccb_ptr->ccb_h.target_id;
430 target_id = (cmd->ccb_ptr->ccb_h.target_id + (MRSAS_MAX_PD - 1));
432 /* Save the cmd to be processed for TM, if it is not there in the array */
433 if (sc->target_reset_pool[target_id] == NULL) {
434 sc->target_reset_pool[target_id] = cmd;
435 mrsas_atomic_inc(&sc->target_reset_outstanding);
442 * mrsas_startio: SCSI IO entry point
443 * input: Adapter instance soft state
444 * pointer to CAM Control Block
446 * This function is the SCSI IO entry point and it initiates IO processing. It
447 * copies the IO and depending if the IO is read/write or inquiry, it would
448 * call mrsas_build_ldio() or mrsas_build_dcdb(), respectively. It returns 0
449 * if the command is sent to firmware successfully, otherwise it returns 1.
452 mrsas_startio(struct mrsas_softc *sc, struct cam_sim *sim,
455 struct mrsas_mpt_cmd *cmd;
456 struct ccb_hdr *ccb_h = &(ccb->ccb_h);
457 struct ccb_scsiio *csio = &(ccb->csio);
458 MRSAS_REQUEST_DESCRIPTOR_UNION *req_desc;
461 if ((csio->cdb_io.cdb_bytes[0]) == SYNCHRONIZE_CACHE &&
462 (!sc->fw_sync_cache_support)) {
463 ccb->ccb_h.status = CAM_REQ_CMP;
467 ccb_h->status |= CAM_SIM_QUEUED;
468 cmd = mrsas_get_mpt_cmd(sc);
471 ccb_h->status |= CAM_REQUEUE_REQ;
475 if ((ccb_h->flags & CAM_DIR_MASK) != CAM_DIR_NONE) {
476 if (ccb_h->flags & CAM_DIR_IN)
477 cmd->flags |= MRSAS_DIR_IN;
478 if (ccb_h->flags & CAM_DIR_OUT)
479 cmd->flags |= MRSAS_DIR_OUT;
481 cmd->flags = MRSAS_DIR_NONE; /* no data */
483 /* For FreeBSD 9.2 and higher */
484 #if (__FreeBSD_version >= 902001)
486 * XXX We don't yet support physical addresses here.
488 switch ((ccb->ccb_h.flags & CAM_DATA_MASK)) {
490 case CAM_DATA_SG_PADDR:
491 device_printf(sc->mrsas_dev, "%s: physical addresses not supported\n",
493 mrsas_release_mpt_cmd(cmd);
494 ccb_h->status = CAM_REQ_INVALID;
495 ccb_h->status &= ~CAM_SIM_QUEUED;
498 device_printf(sc->mrsas_dev, "%s: scatter gather is not supported\n",
500 mrsas_release_mpt_cmd(cmd);
501 ccb_h->status = CAM_REQ_INVALID;
504 if (csio->dxfer_len > (sc->max_num_sge * MRSAS_PAGE_SIZE)) {
505 mrsas_release_mpt_cmd(cmd);
506 ccb_h->status = CAM_REQ_TOO_BIG;
509 cmd->length = csio->dxfer_len;
511 cmd->data = csio->data_ptr;
514 if (csio->dxfer_len > (sc->max_num_sge * MRSAS_PAGE_SIZE)) {
515 mrsas_release_mpt_cmd(cmd);
516 ccb_h->status = CAM_REQ_TOO_BIG;
519 cmd->length = csio->dxfer_len;
521 cmd->data = csio->data_ptr;
524 ccb->ccb_h.status = CAM_REQ_INVALID;
528 if (!(ccb_h->flags & CAM_DATA_PHYS)) { /* Virtual data address */
529 if (!(ccb_h->flags & CAM_SCATTER_VALID)) {
530 if (csio->dxfer_len > (sc->max_num_sge * MRSAS_PAGE_SIZE)) {
531 mrsas_release_mpt_cmd(cmd);
532 ccb_h->status = CAM_REQ_TOO_BIG;
535 cmd->length = csio->dxfer_len;
537 cmd->data = csio->data_ptr;
539 mrsas_release_mpt_cmd(cmd);
540 ccb_h->status = CAM_REQ_INVALID;
543 } else { /* Data addresses are physical. */
544 mrsas_release_mpt_cmd(cmd);
545 ccb_h->status = CAM_REQ_INVALID;
546 ccb_h->status &= ~CAM_SIM_QUEUED;
553 req_desc = mrsas_get_request_desc(sc, (cmd->index) - 1);
555 device_printf(sc->mrsas_dev, "Cannot get request_descriptor.\n");
558 memset(req_desc, 0, sizeof(MRSAS_REQUEST_DESCRIPTOR_UNION));
559 cmd->request_desc = req_desc;
561 if (ccb_h->flags & CAM_CDB_POINTER)
562 bcopy(csio->cdb_io.cdb_ptr, cmd->io_request->CDB.CDB32, csio->cdb_len);
564 bcopy(csio->cdb_io.cdb_bytes, cmd->io_request->CDB.CDB32, csio->cdb_len);
565 mtx_lock(&sc->raidmap_lock);
567 /* Check for IO type READ-WRITE targeted for Logical Volume */
568 cmd_type = mrsas_find_io_type(sim, ccb);
570 case READ_WRITE_LDIO:
571 /* Build READ-WRITE IO for Logical Volume */
572 if (mrsas_build_ldio_rw(sc, cmd, ccb)) {
573 device_printf(sc->mrsas_dev, "Build RW LDIO failed.\n");
574 mtx_unlock(&sc->raidmap_lock);
578 case NON_READ_WRITE_LDIO:
579 /* Build NON READ-WRITE IO for Logical Volume */
580 if (mrsas_build_ldio_nonrw(sc, cmd, ccb)) {
581 device_printf(sc->mrsas_dev, "Build NON-RW LDIO failed.\n");
582 mtx_unlock(&sc->raidmap_lock);
586 case READ_WRITE_SYSPDIO:
587 case NON_READ_WRITE_SYSPDIO:
588 if (sc->secure_jbod_support &&
589 (cmd_type == NON_READ_WRITE_SYSPDIO)) {
590 /* Build NON-RW IO for JBOD */
591 if (mrsas_build_syspdio(sc, cmd, ccb, sim, 0)) {
592 device_printf(sc->mrsas_dev,
593 "Build SYSPDIO failed.\n");
594 mtx_unlock(&sc->raidmap_lock);
598 /* Build RW IO for JBOD */
599 if (mrsas_build_syspdio(sc, cmd, ccb, sim, 1)) {
600 device_printf(sc->mrsas_dev,
601 "Build SYSPDIO failed.\n");
602 mtx_unlock(&sc->raidmap_lock);
607 mtx_unlock(&sc->raidmap_lock);
609 if (cmd->flags == MRSAS_DIR_IN) /* from device */
610 cmd->io_request->Control |= MPI2_SCSIIO_CONTROL_READ;
611 else if (cmd->flags == MRSAS_DIR_OUT) /* to device */
612 cmd->io_request->Control |= MPI2_SCSIIO_CONTROL_WRITE;
614 cmd->io_request->SGLFlags = MPI2_SGE_FLAGS_64_BIT_ADDRESSING;
615 cmd->io_request->SGLOffset0 = offsetof(MRSAS_RAID_SCSI_IO_REQUEST, SGL) / 4;
616 cmd->io_request->SenseBufferLowAddress = cmd->sense_phys_addr;
617 cmd->io_request->SenseBufferLength = MRSAS_SCSI_SENSE_BUFFERSIZE;
619 req_desc = cmd->request_desc;
620 req_desc->SCSIIO.SMID = cmd->index;
623 * Start timer for IO timeout. Default timeout value is 90 second.
625 #if (__FreeBSD_version >= 1000510)
626 callout_reset_sbt(&cmd->cm_callout, SBT_1S * 180, 0,
627 mrsas_scsiio_timeout, cmd, 0);
629 callout_reset(&cmd->cm_callout, (180000 * hz) / 1000,
630 mrsas_scsiio_timeout, cmd);
632 mrsas_atomic_inc(&sc->fw_outstanding);
634 if (mrsas_atomic_read(&sc->fw_outstanding) > sc->io_cmds_highwater)
635 sc->io_cmds_highwater++;
637 mrsas_fire_cmd(sc, req_desc->addr.u.low, req_desc->addr.u.high);
646 * mrsas_find_io_type: Determines if IO is read/write or inquiry
647 * input: pointer to CAM Control Block
649 * This function determines if the IO is read/write or inquiry. It returns a 1
650 * if the IO is read/write and 0 if it is inquiry.
653 mrsas_find_io_type(struct cam_sim *sim, union ccb *ccb)
655 struct ccb_scsiio *csio = &(ccb->csio);
657 switch (csio->cdb_io.cdb_bytes[0]) {
666 return (cam_sim_bus(sim) ?
667 READ_WRITE_SYSPDIO : READ_WRITE_LDIO);
669 return (cam_sim_bus(sim) ?
670 NON_READ_WRITE_SYSPDIO : NON_READ_WRITE_LDIO);
675 * mrsas_get_mpt_cmd: Get a cmd from free command pool
676 * input: Adapter instance soft state
678 * This function removes an MPT command from the command free list and
681 struct mrsas_mpt_cmd *
682 mrsas_get_mpt_cmd(struct mrsas_softc *sc)
684 struct mrsas_mpt_cmd *cmd = NULL;
686 mtx_lock(&sc->mpt_cmd_pool_lock);
687 if (!TAILQ_EMPTY(&sc->mrsas_mpt_cmd_list_head)) {
688 cmd = TAILQ_FIRST(&sc->mrsas_mpt_cmd_list_head);
689 TAILQ_REMOVE(&sc->mrsas_mpt_cmd_list_head, cmd, next);
694 memset((uint8_t *)cmd->io_request, 0, MRSAS_MPI2_RAID_DEFAULT_IO_FRAME_SIZE);
699 cmd->load_balance = 0;
703 mtx_unlock(&sc->mpt_cmd_pool_lock);
708 * mrsas_release_mpt_cmd: Return a cmd to free command pool
709 * input: Command packet for return to free command pool
711 * This function returns an MPT command to the free command list.
714 mrsas_release_mpt_cmd(struct mrsas_mpt_cmd *cmd)
716 struct mrsas_softc *sc = cmd->sc;
718 mtx_lock(&sc->mpt_cmd_pool_lock);
719 cmd->sync_cmd_idx = (u_int32_t)MRSAS_ULONG_MAX;
720 TAILQ_INSERT_HEAD(&(sc->mrsas_mpt_cmd_list_head), cmd, next);
721 mtx_unlock(&sc->mpt_cmd_pool_lock);
727 * mrsas_get_request_desc: Get request descriptor from array
728 * input: Adapter instance soft state
731 * This function returns a pointer to the request descriptor.
733 MRSAS_REQUEST_DESCRIPTOR_UNION *
734 mrsas_get_request_desc(struct mrsas_softc *sc, u_int16_t index)
738 if (index >= sc->max_fw_cmds) {
739 device_printf(sc->mrsas_dev, "Invalid SMID (0x%x)request for desc\n", index);
742 p = sc->req_desc + sizeof(MRSAS_REQUEST_DESCRIPTOR_UNION) * index;
744 return (MRSAS_REQUEST_DESCRIPTOR_UNION *) p;
748 * mrsas_build_ldio_rw: Builds an LDIO command
749 * input: Adapter instance soft state
750 * Pointer to command packet
753 * This function builds the LDIO command packet. It returns 0 if the command is
754 * built successfully, otherwise it returns a 1.
757 mrsas_build_ldio_rw(struct mrsas_softc *sc, struct mrsas_mpt_cmd *cmd,
760 struct ccb_hdr *ccb_h = &(ccb->ccb_h);
761 struct ccb_scsiio *csio = &(ccb->csio);
763 MRSAS_RAID_SCSI_IO_REQUEST *io_request;
765 device_id = ccb_h->target_id;
767 io_request = cmd->io_request;
768 io_request->RaidContext.VirtualDiskTgtId = device_id;
769 io_request->RaidContext.status = 0;
770 io_request->RaidContext.exStatus = 0;
772 /* just the cdb len, other flags zero, and ORed-in later for FP */
773 io_request->IoFlags = csio->cdb_len;
775 if (mrsas_setup_io(sc, cmd, ccb, device_id, io_request) != SUCCESS)
776 device_printf(sc->mrsas_dev, "Build ldio or fpio error\n");
778 io_request->DataLength = cmd->length;
780 if (mrsas_map_request(sc, cmd, ccb) == SUCCESS) {
781 if (cmd->sge_count > sc->max_num_sge) {
782 device_printf(sc->mrsas_dev, "Error: sge_count (0x%x) exceeds"
783 "max (0x%x) allowed\n", cmd->sge_count, sc->max_num_sge);
787 * numSGE store lower 8 bit of sge_count. numSGEExt store
788 * higher 8 bit of sge_count
790 io_request->RaidContext.numSGE = cmd->sge_count;
791 io_request->RaidContext.numSGEExt = (uint8_t)(cmd->sge_count >> 8);
794 device_printf(sc->mrsas_dev, "Data map/load failed.\n");
801 * mrsas_setup_io: Set up data including Fast Path I/O
802 * input: Adapter instance soft state
803 * Pointer to command packet
806 * This function builds the DCDB inquiry command. It returns 0 if the command
807 * is built successfully, otherwise it returns a 1.
810 mrsas_setup_io(struct mrsas_softc *sc, struct mrsas_mpt_cmd *cmd,
811 union ccb *ccb, u_int32_t device_id,
812 MRSAS_RAID_SCSI_IO_REQUEST * io_request)
814 struct ccb_hdr *ccb_h = &(ccb->ccb_h);
815 struct ccb_scsiio *csio = &(ccb->csio);
816 struct IO_REQUEST_INFO io_info;
817 MR_DRV_RAID_MAP_ALL *map_ptr;
819 u_int8_t fp_possible;
820 u_int32_t start_lba_hi, start_lba_lo, ld_block_size, ld;
821 u_int32_t datalength = 0;
828 * READ_6 (0x08) or WRITE_6 (0x0A) cdb
830 if (csio->cdb_len == 6) {
831 datalength = (u_int32_t)csio->cdb_io.cdb_bytes[4];
832 start_lba_lo = ((u_int32_t)csio->cdb_io.cdb_bytes[1] << 16) |
833 ((u_int32_t)csio->cdb_io.cdb_bytes[2] << 8) |
834 (u_int32_t)csio->cdb_io.cdb_bytes[3];
835 start_lba_lo &= 0x1FFFFF;
838 * READ_10 (0x28) or WRITE_6 (0x2A) cdb
840 else if (csio->cdb_len == 10) {
841 datalength = (u_int32_t)csio->cdb_io.cdb_bytes[8] |
842 ((u_int32_t)csio->cdb_io.cdb_bytes[7] << 8);
843 start_lba_lo = ((u_int32_t)csio->cdb_io.cdb_bytes[2] << 24) |
844 ((u_int32_t)csio->cdb_io.cdb_bytes[3] << 16) |
845 (u_int32_t)csio->cdb_io.cdb_bytes[4] << 8 |
846 ((u_int32_t)csio->cdb_io.cdb_bytes[5]);
849 * READ_12 (0xA8) or WRITE_12 (0xAA) cdb
851 else if (csio->cdb_len == 12) {
852 datalength = (u_int32_t)csio->cdb_io.cdb_bytes[6] << 24 |
853 ((u_int32_t)csio->cdb_io.cdb_bytes[7] << 16) |
854 ((u_int32_t)csio->cdb_io.cdb_bytes[8] << 8) |
855 ((u_int32_t)csio->cdb_io.cdb_bytes[9]);
856 start_lba_lo = ((u_int32_t)csio->cdb_io.cdb_bytes[2] << 24) |
857 ((u_int32_t)csio->cdb_io.cdb_bytes[3] << 16) |
858 (u_int32_t)csio->cdb_io.cdb_bytes[4] << 8 |
859 ((u_int32_t)csio->cdb_io.cdb_bytes[5]);
862 * READ_16 (0x88) or WRITE_16 (0xx8A) cdb
864 else if (csio->cdb_len == 16) {
865 datalength = (u_int32_t)csio->cdb_io.cdb_bytes[10] << 24 |
866 ((u_int32_t)csio->cdb_io.cdb_bytes[11] << 16) |
867 ((u_int32_t)csio->cdb_io.cdb_bytes[12] << 8) |
868 ((u_int32_t)csio->cdb_io.cdb_bytes[13]);
869 start_lba_lo = ((u_int32_t)csio->cdb_io.cdb_bytes[6] << 24) |
870 ((u_int32_t)csio->cdb_io.cdb_bytes[7] << 16) |
871 (u_int32_t)csio->cdb_io.cdb_bytes[8] << 8 |
872 ((u_int32_t)csio->cdb_io.cdb_bytes[9]);
873 start_lba_hi = ((u_int32_t)csio->cdb_io.cdb_bytes[2] << 24) |
874 ((u_int32_t)csio->cdb_io.cdb_bytes[3] << 16) |
875 (u_int32_t)csio->cdb_io.cdb_bytes[4] << 8 |
876 ((u_int32_t)csio->cdb_io.cdb_bytes[5]);
878 memset(&io_info, 0, sizeof(struct IO_REQUEST_INFO));
879 io_info.ldStartBlock = ((u_int64_t)start_lba_hi << 32) | start_lba_lo;
880 io_info.numBlocks = datalength;
881 io_info.ldTgtId = device_id;
883 switch (ccb_h->flags & CAM_DIR_MASK) {
892 mrsas_dprint(sc, MRSAS_TRACE, "From %s : DMA Flag is %d \n", __func__, ccb_h->flags & CAM_DIR_MASK);
896 map_ptr = sc->ld_drv_map[(sc->map_id & 1)];
897 ld_block_size = MR_LdBlockSizeGet(device_id, map_ptr);
899 ld = MR_TargetIdToLdGet(device_id, map_ptr);
900 if ((ld >= MAX_LOGICAL_DRIVES_EXT) || (!sc->fast_path_io)) {
901 io_request->RaidContext.regLockFlags = 0;
904 if (MR_BuildRaidContext(sc, &io_info, &io_request->RaidContext, map_ptr))
905 fp_possible = io_info.fpOkForIo;
908 raid = MR_LdRaidGet(ld, map_ptr);
909 /* Store the TM capability value in cmd */
910 cmd->tmCapable = raid->capability.tmCapable;
912 cmd->request_desc->SCSIIO.MSIxIndex =
913 sc->msix_vectors ? smp_processor_id() % sc->msix_vectors : 0;
917 mrsas_set_pd_lba(io_request, csio->cdb_len, &io_info, ccb, map_ptr,
918 start_lba_lo, ld_block_size);
919 io_request->Function = MPI2_FUNCTION_SCSI_IO_REQUEST;
920 cmd->request_desc->SCSIIO.RequestFlags =
921 (MPI2_REQ_DESCRIPT_FLAGS_FP_IO <<
922 MRSAS_REQ_DESCRIPT_FLAGS_TYPE_SHIFT);
923 if (sc->mrsas_gen3_ctrl) {
924 if (io_request->RaidContext.regLockFlags == REGION_TYPE_UNUSED)
925 cmd->request_desc->SCSIIO.RequestFlags =
926 (MRSAS_REQ_DESCRIPT_FLAGS_NO_LOCK <<
927 MRSAS_REQ_DESCRIPT_FLAGS_TYPE_SHIFT);
928 io_request->RaidContext.Type = MPI2_TYPE_CUDA;
929 io_request->RaidContext.nseg = 0x1;
930 io_request->IoFlags |= MPI25_SAS_DEVICE0_FLAGS_ENABLED_FAST_PATH;
931 io_request->RaidContext.regLockFlags |=
932 (MR_RL_FLAGS_GRANT_DESTINATION_CUDA |
933 MR_RL_FLAGS_SEQ_NUM_ENABLE);
935 if ((sc->load_balance_info[device_id].loadBalanceFlag) &&
938 mrsas_get_updated_dev_handle(sc,
939 &sc->load_balance_info[device_id], &io_info);
940 cmd->load_balance = MRSAS_LOAD_BALANCE_FLAG;
941 cmd->pd_r1_lb = io_info.pd_after_lb;
943 cmd->load_balance = 0;
944 cmd->request_desc->SCSIIO.DevHandle = io_info.devHandle;
945 io_request->DevHandle = io_info.devHandle;
948 io_request->RaidContext.timeoutValue = map_ptr->raidMap.fpPdIoTimeoutSec;
949 cmd->request_desc->SCSIIO.RequestFlags =
950 (MRSAS_REQ_DESCRIPT_FLAGS_LD_IO <<
951 MRSAS_REQ_DESCRIPT_FLAGS_TYPE_SHIFT);
952 if (sc->mrsas_gen3_ctrl) {
953 if (io_request->RaidContext.regLockFlags == REGION_TYPE_UNUSED)
954 cmd->request_desc->SCSIIO.RequestFlags =
955 (MRSAS_REQ_DESCRIPT_FLAGS_NO_LOCK <<
956 MRSAS_REQ_DESCRIPT_FLAGS_TYPE_SHIFT);
957 io_request->RaidContext.Type = MPI2_TYPE_CUDA;
958 io_request->RaidContext.regLockFlags |=
959 (MR_RL_FLAGS_GRANT_DESTINATION_CPU0 |
960 MR_RL_FLAGS_SEQ_NUM_ENABLE);
961 io_request->RaidContext.nseg = 0x1;
963 io_request->Function = MRSAS_MPI2_FUNCTION_LD_IO_REQUEST;
964 io_request->DevHandle = device_id;
970 * mrsas_build_ldio_nonrw: Builds an LDIO command
971 * input: Adapter instance soft state
972 * Pointer to command packet
975 * This function builds the LDIO command packet. It returns 0 if the command is
976 * built successfully, otherwise it returns a 1.
979 mrsas_build_ldio_nonrw(struct mrsas_softc *sc, struct mrsas_mpt_cmd *cmd,
982 struct ccb_hdr *ccb_h = &(ccb->ccb_h);
983 u_int32_t device_id, ld;
984 MR_DRV_RAID_MAP_ALL *map_ptr;
986 MRSAS_RAID_SCSI_IO_REQUEST *io_request;
988 io_request = cmd->io_request;
989 device_id = ccb_h->target_id;
991 map_ptr = sc->ld_drv_map[(sc->map_id & 1)];
992 ld = MR_TargetIdToLdGet(device_id, map_ptr);
993 raid = MR_LdRaidGet(ld, map_ptr);
994 /* Store the TM capability value in cmd */
995 cmd->tmCapable = raid->capability.tmCapable;
997 /* FW path for LD Non-RW (SCSI management commands) */
998 io_request->Function = MRSAS_MPI2_FUNCTION_LD_IO_REQUEST;
999 io_request->DevHandle = device_id;
1000 cmd->request_desc->SCSIIO.RequestFlags =
1001 (MPI2_REQ_DESCRIPT_FLAGS_SCSI_IO <<
1002 MRSAS_REQ_DESCRIPT_FLAGS_TYPE_SHIFT);
1004 io_request->RaidContext.VirtualDiskTgtId = device_id;
1005 io_request->LUN[1] = ccb_h->target_lun & 0xF;
1006 io_request->DataLength = cmd->length;
1008 if (mrsas_map_request(sc, cmd, ccb) == SUCCESS) {
1009 if (cmd->sge_count > sc->max_num_sge) {
1010 device_printf(sc->mrsas_dev, "Error: sge_count (0x%x) exceeds"
1011 "max (0x%x) allowed\n", cmd->sge_count, sc->max_num_sge);
1015 * numSGE store lower 8 bit of sge_count. numSGEExt store
1016 * higher 8 bit of sge_count
1018 io_request->RaidContext.numSGE = cmd->sge_count;
1019 io_request->RaidContext.numSGEExt = (uint8_t)(cmd->sge_count >> 8);
1021 device_printf(sc->mrsas_dev, "Data map/load failed.\n");
1028 * mrsas_build_syspdio: Builds an DCDB command
1029 * input: Adapter instance soft state
1030 * Pointer to command packet
1033 * This function builds the DCDB inquiry command. It returns 0 if the command
1034 * is built successfully, otherwise it returns a 1.
1037 mrsas_build_syspdio(struct mrsas_softc *sc, struct mrsas_mpt_cmd *cmd,
1038 union ccb *ccb, struct cam_sim *sim, u_int8_t fp_possible)
1040 struct ccb_hdr *ccb_h = &(ccb->ccb_h);
1041 u_int32_t device_id;
1042 MR_DRV_RAID_MAP_ALL *local_map_ptr;
1043 MRSAS_RAID_SCSI_IO_REQUEST *io_request;
1044 struct MR_PD_CFG_SEQ_NUM_SYNC *pd_sync;
1046 io_request = cmd->io_request;
1047 device_id = ccb_h->target_id;
1048 local_map_ptr = sc->ld_drv_map[(sc->map_id & 1)];
1049 io_request->RaidContext.RAIDFlags = MR_RAID_FLAGS_IO_SUB_TYPE_SYSTEM_PD
1050 << MR_RAID_CTX_RAID_FLAGS_IO_SUB_TYPE_SHIFT;
1051 io_request->RaidContext.regLockFlags = 0;
1052 io_request->RaidContext.regLockRowLBA = 0;
1053 io_request->RaidContext.regLockLength = 0;
1055 /* If FW supports PD sequence number */
1056 if (sc->use_seqnum_jbod_fp &&
1057 sc->pd_list[device_id].driveType == 0x00) {
1058 //printf("Using Drv seq num\n");
1059 pd_sync = (void *)sc->jbodmap_mem[(sc->pd_seq_map_id - 1) & 1];
1060 cmd->tmCapable = pd_sync->seq[device_id].capability.tmCapable;
1061 io_request->RaidContext.VirtualDiskTgtId = device_id + 255;
1062 io_request->RaidContext.configSeqNum = pd_sync->seq[device_id].seqNum;
1063 io_request->DevHandle = pd_sync->seq[device_id].devHandle;
1064 io_request->RaidContext.regLockFlags |=
1065 (MR_RL_FLAGS_SEQ_NUM_ENABLE | MR_RL_FLAGS_GRANT_DESTINATION_CUDA);
1066 io_request->RaidContext.Type = MPI2_TYPE_CUDA;
1067 io_request->RaidContext.nseg = 0x1;
1068 } else if (sc->fast_path_io) {
1069 //printf("Using LD RAID map\n");
1070 io_request->RaidContext.VirtualDiskTgtId = device_id;
1071 io_request->RaidContext.configSeqNum = 0;
1072 local_map_ptr = sc->ld_drv_map[(sc->map_id & 1)];
1073 io_request->DevHandle =
1074 local_map_ptr->raidMap.devHndlInfo[device_id].curDevHdl;
1076 //printf("Using FW PATH\n");
1077 /* Want to send all IO via FW path */
1078 io_request->RaidContext.VirtualDiskTgtId = device_id;
1079 io_request->RaidContext.configSeqNum = 0;
1080 io_request->DevHandle = 0xFFFF;
1083 cmd->request_desc->SCSIIO.DevHandle = io_request->DevHandle;
1084 cmd->request_desc->SCSIIO.MSIxIndex =
1085 sc->msix_vectors ? smp_processor_id() % sc->msix_vectors : 0;
1088 /* system pd firmware path */
1089 io_request->Function = MRSAS_MPI2_FUNCTION_LD_IO_REQUEST;
1090 cmd->request_desc->SCSIIO.RequestFlags =
1091 (MPI2_REQ_DESCRIPT_FLAGS_SCSI_IO <<
1092 MRSAS_REQ_DESCRIPT_FLAGS_TYPE_SHIFT);
1093 io_request->RaidContext.timeoutValue =
1094 local_map_ptr->raidMap.fpPdIoTimeoutSec;
1095 io_request->RaidContext.VirtualDiskTgtId = device_id;
1097 /* system pd fast path */
1098 io_request->Function = MPI2_FUNCTION_SCSI_IO_REQUEST;
1099 io_request->RaidContext.timeoutValue = local_map_ptr->raidMap.fpPdIoTimeoutSec;
1102 * NOTE - For system pd RW cmds only IoFlags will be FAST_PATH
1103 * Because the NON RW cmds will now go via FW Queue
1104 * and not the Exception queue
1106 io_request->IoFlags |= MPI25_SAS_DEVICE0_FLAGS_ENABLED_FAST_PATH;
1108 cmd->request_desc->SCSIIO.RequestFlags =
1109 (MPI2_REQ_DESCRIPT_FLAGS_FP_IO <<
1110 MRSAS_REQ_DESCRIPT_FLAGS_TYPE_SHIFT);
1113 io_request->LUN[1] = ccb_h->target_lun & 0xF;
1114 io_request->DataLength = cmd->length;
1116 if (mrsas_map_request(sc, cmd, ccb) == SUCCESS) {
1117 if (cmd->sge_count > sc->max_num_sge) {
1118 device_printf(sc->mrsas_dev, "Error: sge_count (0x%x) exceeds"
1119 "max (0x%x) allowed\n", cmd->sge_count, sc->max_num_sge);
1123 * numSGE store lower 8 bit of sge_count. numSGEExt store
1124 * higher 8 bit of sge_count
1126 io_request->RaidContext.numSGE = cmd->sge_count;
1127 io_request->RaidContext.numSGEExt = (uint8_t)(cmd->sge_count >> 8);
1129 device_printf(sc->mrsas_dev, "Data map/load failed.\n");
1136 * mrsas_map_request: Map and load data
1137 * input: Adapter instance soft state
1138 * Pointer to command packet
1140 * For data from OS, map and load the data buffer into bus space. The SG list
1141 * is built in the callback. If the bus dmamap load is not successful,
1142 * cmd->error_code will contain the error code and a 1 is returned.
1145 mrsas_map_request(struct mrsas_softc *sc,
1146 struct mrsas_mpt_cmd *cmd, union ccb *ccb)
1148 u_int32_t retcode = 0;
1149 struct cam_sim *sim;
1151 sim = xpt_path_sim(cmd->ccb_ptr->ccb_h.path);
1153 if (cmd->data != NULL) {
1154 /* Map data buffer into bus space */
1155 mtx_lock(&sc->io_lock);
1156 #if (__FreeBSD_version >= 902001)
1157 retcode = bus_dmamap_load_ccb(sc->data_tag, cmd->data_dmamap, ccb,
1158 mrsas_data_load_cb, cmd, 0);
1160 retcode = bus_dmamap_load(sc->data_tag, cmd->data_dmamap, cmd->data,
1161 cmd->length, mrsas_data_load_cb, cmd, BUS_DMA_NOWAIT);
1163 mtx_unlock(&sc->io_lock);
1165 device_printf(sc->mrsas_dev, "bus_dmamap_load(): retcode = %d\n", retcode);
1166 if (retcode == EINPROGRESS) {
1167 device_printf(sc->mrsas_dev, "request load in progress\n");
1168 mrsas_freeze_simq(cmd, sim);
1171 if (cmd->error_code)
1177 * mrsas_unmap_request: Unmap and unload data
1178 * input: Adapter instance soft state
1179 * Pointer to command packet
1181 * This function unmaps and unloads data from OS.
1184 mrsas_unmap_request(struct mrsas_softc *sc, struct mrsas_mpt_cmd *cmd)
1186 if (cmd->data != NULL) {
1187 if (cmd->flags & MRSAS_DIR_IN)
1188 bus_dmamap_sync(sc->data_tag, cmd->data_dmamap, BUS_DMASYNC_POSTREAD);
1189 if (cmd->flags & MRSAS_DIR_OUT)
1190 bus_dmamap_sync(sc->data_tag, cmd->data_dmamap, BUS_DMASYNC_POSTWRITE);
1191 mtx_lock(&sc->io_lock);
1192 bus_dmamap_unload(sc->data_tag, cmd->data_dmamap);
1193 mtx_unlock(&sc->io_lock);
1198 * mrsas_data_load_cb: Callback entry point
1199 * input: Pointer to command packet as argument
1200 * Pointer to segment
1201 * Number of segments Error
1203 * This is the callback function of the bus dma map load. It builds the SG
1207 mrsas_data_load_cb(void *arg, bus_dma_segment_t *segs, int nseg, int error)
1209 struct mrsas_mpt_cmd *cmd = (struct mrsas_mpt_cmd *)arg;
1210 struct mrsas_softc *sc = cmd->sc;
1211 MRSAS_RAID_SCSI_IO_REQUEST *io_request;
1212 pMpi25IeeeSgeChain64_t sgl_ptr;
1213 int i = 0, sg_processed = 0;
1216 cmd->error_code = error;
1217 device_printf(sc->mrsas_dev, "mrsas_data_load_cb: error=%d\n", error);
1218 if (error == EFBIG) {
1219 cmd->ccb_ptr->ccb_h.status = CAM_REQ_TOO_BIG;
1223 if (cmd->flags & MRSAS_DIR_IN)
1224 bus_dmamap_sync(cmd->sc->data_tag, cmd->data_dmamap,
1225 BUS_DMASYNC_PREREAD);
1226 if (cmd->flags & MRSAS_DIR_OUT)
1227 bus_dmamap_sync(cmd->sc->data_tag, cmd->data_dmamap,
1228 BUS_DMASYNC_PREWRITE);
1229 if (nseg > sc->max_num_sge) {
1230 device_printf(sc->mrsas_dev, "SGE count is too large or 0.\n");
1233 io_request = cmd->io_request;
1234 sgl_ptr = (pMpi25IeeeSgeChain64_t)&io_request->SGL;
1236 if (sc->mrsas_gen3_ctrl) {
1237 pMpi25IeeeSgeChain64_t sgl_ptr_end = sgl_ptr;
1239 sgl_ptr_end += sc->max_sge_in_main_msg - 1;
1240 sgl_ptr_end->Flags = 0;
1243 for (i = 0; i < nseg; i++) {
1244 sgl_ptr->Address = segs[i].ds_addr;
1245 sgl_ptr->Length = segs[i].ds_len;
1247 if (sc->mrsas_gen3_ctrl) {
1249 sgl_ptr->Flags = IEEE_SGE_FLAGS_END_OF_LIST;
1252 sg_processed = i + 1;
1253 if ((sg_processed == (sc->max_sge_in_main_msg - 1)) &&
1254 (nseg > sc->max_sge_in_main_msg)) {
1255 pMpi25IeeeSgeChain64_t sg_chain;
1257 if (sc->mrsas_gen3_ctrl) {
1258 if ((cmd->io_request->IoFlags & MPI25_SAS_DEVICE0_FLAGS_ENABLED_FAST_PATH)
1259 != MPI25_SAS_DEVICE0_FLAGS_ENABLED_FAST_PATH)
1260 cmd->io_request->ChainOffset = sc->chain_offset_io_request;
1262 cmd->io_request->ChainOffset = 0;
1264 cmd->io_request->ChainOffset = sc->chain_offset_io_request;
1266 if (sc->mrsas_gen3_ctrl)
1267 sg_chain->Flags = IEEE_SGE_FLAGS_CHAIN_ELEMENT;
1269 sg_chain->Flags = (IEEE_SGE_FLAGS_CHAIN_ELEMENT | MPI2_IEEE_SGE_FLAGS_IOCPLBNTA_ADDR);
1270 sg_chain->Length = (sizeof(MPI2_SGE_IO_UNION) * (nseg - sg_processed));
1271 sg_chain->Address = cmd->chain_frame_phys_addr;
1272 sgl_ptr = (pMpi25IeeeSgeChain64_t)cmd->chain_frame;
1276 cmd->sge_count = nseg;
1280 * mrsas_freeze_simq: Freeze SIM queue
1281 * input: Pointer to command packet
1284 * This function freezes the sim queue.
1287 mrsas_freeze_simq(struct mrsas_mpt_cmd *cmd, struct cam_sim *sim)
1289 union ccb *ccb = (union ccb *)(cmd->ccb_ptr);
1291 xpt_freeze_simq(sim, 1);
1292 ccb->ccb_h.status |= CAM_RELEASE_SIMQ;
1293 ccb->ccb_h.status |= CAM_REQUEUE_REQ;
1297 mrsas_xpt_freeze(struct mrsas_softc *sc)
1299 xpt_freeze_simq(sc->sim_0, 1);
1300 xpt_freeze_simq(sc->sim_1, 1);
1304 mrsas_xpt_release(struct mrsas_softc *sc)
1306 xpt_release_simq(sc->sim_0, 1);
1307 xpt_release_simq(sc->sim_1, 1);
1311 * mrsas_cmd_done: Perform remaining command completion
1312 * input: Adapter instance soft state Pointer to command packet
1314 * This function calls ummap request and releases the MPT command.
1317 mrsas_cmd_done(struct mrsas_softc *sc, struct mrsas_mpt_cmd *cmd)
1319 mrsas_unmap_request(sc, cmd);
1321 mtx_lock(&sc->sim_lock);
1322 callout_stop(&cmd->cm_callout);
1323 xpt_done(cmd->ccb_ptr);
1324 cmd->ccb_ptr = NULL;
1325 mtx_unlock(&sc->sim_lock);
1326 mrsas_release_mpt_cmd(cmd);
1330 * mrsas_cam_poll: Polling entry point
1331 * input: Pointer to SIM
1333 * This is currently a stub function.
1336 mrsas_cam_poll(struct cam_sim *sim)
1339 struct mrsas_softc *sc = (struct mrsas_softc *)cam_sim_softc(sim);
1341 if (sc->msix_vectors != 0){
1342 for (i=0; i<sc->msix_vectors; i++){
1343 mrsas_complete_cmd(sc, i);
1346 mrsas_complete_cmd(sc, 0);
1351 * mrsas_bus_scan: Perform bus scan
1352 * input: Adapter instance soft state
1354 * This mrsas_bus_scan function is needed for FreeBSD 7.x. Also, it should not
1355 * be called in FreeBSD 8.x and later versions, where the bus scan is
1359 mrsas_bus_scan(struct mrsas_softc *sc)
1364 if ((ccb_0 = xpt_alloc_ccb()) == NULL) {
1367 if ((ccb_1 = xpt_alloc_ccb()) == NULL) {
1368 xpt_free_ccb(ccb_0);
1371 mtx_lock(&sc->sim_lock);
1372 if (xpt_create_path(&ccb_0->ccb_h.path, xpt_periph, cam_sim_path(sc->sim_0),
1373 CAM_TARGET_WILDCARD, CAM_LUN_WILDCARD) != CAM_REQ_CMP) {
1374 xpt_free_ccb(ccb_0);
1375 xpt_free_ccb(ccb_1);
1376 mtx_unlock(&sc->sim_lock);
1379 if (xpt_create_path(&ccb_1->ccb_h.path, xpt_periph, cam_sim_path(sc->sim_1),
1380 CAM_TARGET_WILDCARD, CAM_LUN_WILDCARD) != CAM_REQ_CMP) {
1381 xpt_free_ccb(ccb_0);
1382 xpt_free_ccb(ccb_1);
1383 mtx_unlock(&sc->sim_lock);
1386 mtx_unlock(&sc->sim_lock);
1394 * mrsas_bus_scan_sim: Perform bus scan per SIM
1395 * input: adapter instance soft state
1397 * This function will be called from Event handler on LD creation/deletion,
1401 mrsas_bus_scan_sim(struct mrsas_softc *sc, struct cam_sim *sim)
1405 if ((ccb = xpt_alloc_ccb()) == NULL) {
1408 mtx_lock(&sc->sim_lock);
1409 if (xpt_create_path(&ccb->ccb_h.path, xpt_periph, cam_sim_path(sim),
1410 CAM_TARGET_WILDCARD, CAM_LUN_WILDCARD) != CAM_REQ_CMP) {
1412 mtx_unlock(&sc->sim_lock);
1415 mtx_unlock(&sc->sim_lock);
1422 * mrsas_track_scsiio: Track IOs for a given target in the mpt_cmd_list
1423 * input: Adapter instance soft state
1424 * Target ID of target
1425 * Bus ID of the target
1427 * This function checks for any pending IO in the whole mpt_cmd_list pool
1428 * with the bus_id and target_id passed in arguments. If some IO is found
1429 * that means target reset is not successfully completed.
1431 * Returns FAIL if IOs pending to the target device, else return SUCCESS
1434 mrsas_track_scsiio(struct mrsas_softc *sc, target_id_t tgt_id, u_int32_t bus_id)
1437 struct mrsas_mpt_cmd *mpt_cmd = NULL;
1439 for (i = 0 ; i < sc->max_fw_cmds; i++) {
1440 mpt_cmd = sc->mpt_cmd_list[i];
1443 * Check if the target_id and bus_id is same as the timeout IO
1445 if (mpt_cmd->ccb_ptr) {
1446 /* bus_id = 1 denotes a VD */
1448 tgt_id = (mpt_cmd->ccb_ptr->ccb_h.target_id - (MRSAS_MAX_PD - 1));
1450 if (mpt_cmd->ccb_ptr->cpi.bus_id == bus_id &&
1451 mpt_cmd->ccb_ptr->ccb_h.target_id == tgt_id) {
1452 device_printf(sc->mrsas_dev,
1453 "IO commands pending to target id %d\n", tgt_id);
1464 * mrsas_tm_response_code: Prints TM response code received from FW
1465 * input: Adapter instance soft state
1466 * MPI reply returned from firmware
1471 mrsas_tm_response_code(struct mrsas_softc *sc,
1472 MPI2_SCSI_TASK_MANAGE_REPLY *mpi_reply)
1476 switch (mpi_reply->ResponseCode) {
1477 case MPI2_SCSITASKMGMT_RSP_TM_COMPLETE:
1478 desc = "task management request completed";
1480 case MPI2_SCSITASKMGMT_RSP_INVALID_FRAME:
1481 desc = "invalid frame";
1483 case MPI2_SCSITASKMGMT_RSP_TM_NOT_SUPPORTED:
1484 desc = "task management request not supported";
1486 case MPI2_SCSITASKMGMT_RSP_TM_FAILED:
1487 desc = "task management request failed";
1489 case MPI2_SCSITASKMGMT_RSP_TM_SUCCEEDED:
1490 desc = "task management request succeeded";
1492 case MPI2_SCSITASKMGMT_RSP_TM_INVALID_LUN:
1493 desc = "invalid lun";
1496 desc = "overlapped tag attempted";
1498 case MPI2_SCSITASKMGMT_RSP_IO_QUEUED_ON_IOC:
1499 desc = "task queued, however not sent to target";
1505 device_printf(sc->mrsas_dev, "response_code(%01x): %s\n",
1506 mpi_reply->ResponseCode, desc);
1507 device_printf(sc->mrsas_dev,
1508 "TerminationCount/DevHandle/Function/TaskType/IOCStat/IOCLoginfo\n"
1509 "0x%x/0x%x/0x%x/0x%x/0x%x/0x%x\n",
1510 mpi_reply->TerminationCount, mpi_reply->DevHandle,
1511 mpi_reply->Function, mpi_reply->TaskType,
1512 mpi_reply->IOCStatus, mpi_reply->IOCLogInfo);
1517 * mrsas_issue_tm: Fires the TM command to FW and waits for completion
1518 * input: Adapter instance soft state
1519 * reqest descriptor compiled by mrsas_reset_targets
1521 * Returns FAIL if TM command TIMEDOUT from FW else SUCCESS.
1524 mrsas_issue_tm(struct mrsas_softc *sc,
1525 MRSAS_REQUEST_DESCRIPTOR_UNION *req_desc)
1529 mrsas_fire_cmd(sc, req_desc->addr.u.low, req_desc->addr.u.high);
1530 sleep_stat = msleep(&sc->ocr_chan, &sc->sim_lock, PRIBIO, "tm_sleep", 50*hz);
1532 if (sleep_stat == EWOULDBLOCK) {
1533 device_printf(sc->mrsas_dev, "tm cmd TIMEDOUT\n");
1541 * mrsas_reset_targets : Gathers info to fire a target reset command
1542 * input: Adapter instance soft state
1544 * This function compiles data for a target reset command to be fired to the FW
1545 * and then traverse the target_reset_pool to see targets with TIMEDOUT IOs.
1547 * Returns SUCCESS or FAIL
1549 int mrsas_reset_targets(struct mrsas_softc *sc)
1551 struct mrsas_mpt_cmd *tm_mpt_cmd = NULL;
1552 struct mrsas_mpt_cmd *tgt_mpt_cmd = NULL;
1553 MR_TASK_MANAGE_REQUEST *mr_request;
1554 MPI2_SCSI_TASK_MANAGE_REQUEST *tm_mpi_request;
1555 MRSAS_REQUEST_DESCRIPTOR_UNION *req_desc;
1556 int retCode = FAIL, count, i, outstanding;
1557 u_int32_t MSIxIndex, bus_id;
1560 MPI2_SCSI_TASK_MANAGE_REPLY *mpi_reply;
1563 outstanding = mrsas_atomic_read(&sc->fw_outstanding);
1566 device_printf(sc->mrsas_dev, "NO IOs pending...\n");
1567 mrsas_atomic_set(&sc->target_reset_outstanding, 0);
1570 } else if (sc->adprecovery != MRSAS_HBA_OPERATIONAL) {
1571 device_printf(sc->mrsas_dev, "Controller is not operational\n");
1574 /* Some more error checks will be added in future */
1577 /* Get an mpt frame and an index to fire the TM cmd */
1578 tm_mpt_cmd = mrsas_get_mpt_cmd(sc);
1584 req_desc = mrsas_get_request_desc(sc, (tm_mpt_cmd->index) - 1);
1586 device_printf(sc->mrsas_dev, "Cannot get request_descriptor for tm.\n");
1590 memset(req_desc, 0, sizeof(MRSAS_REQUEST_DESCRIPTOR_UNION));
1592 req_desc->HighPriority.SMID = tm_mpt_cmd->index;
1593 req_desc->HighPriority.RequestFlags =
1594 (MPI2_REQ_DESCRIPT_FLAGS_HIGH_PRIORITY <<
1595 MRSAS_REQ_DESCRIPT_FLAGS_TYPE_SHIFT);
1596 req_desc->HighPriority.MSIxIndex = 0;
1597 req_desc->HighPriority.LMID = 0;
1598 req_desc->HighPriority.Reserved1 = 0;
1599 tm_mpt_cmd->request_desc = req_desc;
1601 mr_request = (MR_TASK_MANAGE_REQUEST *) tm_mpt_cmd->io_request;
1602 memset(mr_request, 0, sizeof(MR_TASK_MANAGE_REQUEST));
1604 tm_mpi_request = (MPI2_SCSI_TASK_MANAGE_REQUEST *) &mr_request->TmRequest;
1605 tm_mpi_request->Function = MPI2_FUNCTION_SCSI_TASK_MGMT;
1606 tm_mpi_request->TaskType = MPI2_SCSITASKMGMT_TASKTYPE_TARGET_RESET;
1607 tm_mpi_request->TaskMID = 0; /* smid task */
1608 tm_mpi_request->LUN[1] = 0;
1610 /* Traverse the tm_mpt pool to get valid entries */
1611 for (i = 0 ; i < MRSAS_MAX_TM_TARGETS; i++) {
1612 if(!sc->target_reset_pool[i]) {
1615 tgt_mpt_cmd = sc->target_reset_pool[i];
1620 /* See if the target is tm capable or NOT */
1621 if (!tgt_mpt_cmd->tmCapable) {
1622 device_printf(sc->mrsas_dev, "Task management NOT SUPPORTED for "
1623 "CAM target:%d\n", tgt_id);
1629 tm_mpi_request->DevHandle = tgt_mpt_cmd->io_request->DevHandle;
1631 if (i < (MRSAS_MAX_PD - 1)) {
1632 mr_request->uTmReqReply.tmReqFlags.isTMForPD = 1;
1635 mr_request->uTmReqReply.tmReqFlags.isTMForLD = 1;
1639 device_printf(sc->mrsas_dev, "TM will be fired for "
1640 "CAM target:%d and bus_id %d\n", tgt_id, bus_id);
1642 sc->ocr_chan = (void *)&tm_mpt_cmd;
1643 retCode = mrsas_issue_tm(sc, req_desc);
1644 if (retCode == FAIL)
1649 (MPI2_SCSI_TASK_MANAGE_REPLY *) &mr_request->uTmReqReply.TMReply;
1650 mrsas_tm_response_code(sc, mpi_reply);
1652 mrsas_atomic_dec(&sc->target_reset_outstanding);
1653 sc->target_reset_pool[i] = NULL;
1655 /* Check for pending cmds in the mpt_cmd_pool with the tgt_id */
1656 mrsas_disable_intr(sc);
1657 /* Wait for 1 second to complete parallel ISR calling same
1658 * mrsas_complete_cmd()
1660 msleep(&sc->ocr_chan, &sc->sim_lock, PRIBIO, "mrsas_reset_wakeup",
1662 count = sc->msix_vectors > 0 ? sc->msix_vectors : 1;
1663 mtx_unlock(&sc->sim_lock);
1664 for (MSIxIndex = 0; MSIxIndex < count; MSIxIndex++)
1665 mrsas_complete_cmd(sc, MSIxIndex);
1666 mtx_lock(&sc->sim_lock);
1667 retCode = mrsas_track_scsiio(sc, tgt_id, bus_id);
1668 mrsas_enable_intr(sc);
1670 if (retCode == FAIL)
1674 device_printf(sc->mrsas_dev, "Number of targets outstanding "
1675 "after reset: %d\n", mrsas_atomic_read(&sc->target_reset_outstanding));
1678 mrsas_release_mpt_cmd(tm_mpt_cmd);
1680 device_printf(sc->mrsas_dev, "target reset %s!!\n",
1681 (retCode == SUCCESS) ? "SUCCESS" : "FAIL");