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
23 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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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>
51 #include <sys/time.h> /* XXX for pcpu.h */
52 #include <sys/pcpu.h> /* XXX for PCPU_GET */
54 #define smp_processor_id() PCPU_GET(cpuid)
59 int mrsas_cam_attach(struct mrsas_softc *sc);
60 int mrsas_find_io_type(struct cam_sim *sim, union ccb *ccb);
61 int mrsas_bus_scan(struct mrsas_softc *sc);
62 int mrsas_bus_scan_sim(struct mrsas_softc *sc, struct cam_sim *sim);
64 mrsas_map_request(struct mrsas_softc *sc,
65 struct mrsas_mpt_cmd *cmd, union ccb *ccb);
67 mrsas_build_ldio_rw(struct mrsas_softc *sc, struct mrsas_mpt_cmd *cmd,
70 mrsas_build_ldio_nonrw(struct mrsas_softc *sc, struct mrsas_mpt_cmd *cmd,
73 mrsas_build_syspdio(struct mrsas_softc *sc, struct mrsas_mpt_cmd *cmd,
74 union ccb *ccb, struct cam_sim *sim, u_int8_t fp_possible);
76 mrsas_setup_io(struct mrsas_softc *sc, struct mrsas_mpt_cmd *cmd,
77 union ccb *ccb, u_int32_t device_id,
78 MRSAS_RAID_SCSI_IO_REQUEST * io_request);
79 void mrsas_xpt_freeze(struct mrsas_softc *sc);
80 void mrsas_xpt_release(struct mrsas_softc *sc);
81 void mrsas_cam_detach(struct mrsas_softc *sc);
82 void mrsas_release_mpt_cmd(struct mrsas_mpt_cmd *cmd);
83 void mrsas_unmap_request(struct mrsas_softc *sc, struct mrsas_mpt_cmd *cmd);
84 void mrsas_cmd_done(struct mrsas_softc *sc, struct mrsas_mpt_cmd *cmd);
86 mrsas_fire_cmd(struct mrsas_softc *sc, u_int32_t req_desc_lo,
87 u_int32_t req_desc_hi);
89 mrsas_set_pd_lba(MRSAS_RAID_SCSI_IO_REQUEST * io_request,
90 u_int8_t cdb_len, struct IO_REQUEST_INFO *io_info, union ccb *ccb,
91 MR_DRV_RAID_MAP_ALL * local_map_ptr, u_int32_t ref_tag,
92 u_int32_t ld_block_size);
93 static void mrsas_freeze_simq(struct mrsas_mpt_cmd *cmd, struct cam_sim *sim);
94 static void mrsas_cam_poll(struct cam_sim *sim);
95 static void mrsas_action(struct cam_sim *sim, union ccb *ccb);
96 static void mrsas_scsiio_timeout(void *data);
97 static int mrsas_track_scsiio(struct mrsas_softc *sc, target_id_t id, u_int32_t bus_id);
98 static void mrsas_tm_response_code(struct mrsas_softc *sc,
99 MPI2_SCSI_TASK_MANAGE_REPLY *mpi_reply);
100 static int mrsas_issue_tm(struct mrsas_softc *sc,
101 MRSAS_REQUEST_DESCRIPTOR_UNION *req_desc);
103 mrsas_data_load_cb(void *arg, bus_dma_segment_t *segs,
104 int nseg, int error);
106 mrsas_startio(struct mrsas_softc *sc, struct cam_sim *sim,
109 static boolean_t mrsas_is_prp_possible(struct mrsas_mpt_cmd *cmd,
110 bus_dma_segment_t *segs, int nsegs);
111 static void mrsas_build_ieee_sgl(struct mrsas_mpt_cmd *cmd,
112 bus_dma_segment_t *segs, int nseg);
113 static void mrsas_build_prp_nvme(struct mrsas_mpt_cmd *cmd,
114 bus_dma_segment_t *segs, int nseg);
116 struct mrsas_mpt_cmd *mrsas_get_mpt_cmd(struct mrsas_softc *sc);
117 MRSAS_REQUEST_DESCRIPTOR_UNION *
118 mrsas_get_request_desc(struct mrsas_softc *sc, u_int16_t index);
120 extern int mrsas_reset_targets(struct mrsas_softc *sc);
121 extern u_int16_t MR_TargetIdToLdGet(u_int32_t ldTgtId, MR_DRV_RAID_MAP_ALL * map);
123 MR_LdBlockSizeGet(u_int32_t ldTgtId, MR_DRV_RAID_MAP_ALL * map);
124 extern void mrsas_isr(void *arg);
125 extern void mrsas_aen_handler(struct mrsas_softc *sc);
127 MR_BuildRaidContext(struct mrsas_softc *sc,
128 struct IO_REQUEST_INFO *io_info, RAID_CONTEXT * pRAID_Context,
129 MR_DRV_RAID_MAP_ALL * map);
131 MR_LdSpanArrayGet(u_int32_t ld, u_int32_t span,
132 MR_DRV_RAID_MAP_ALL * map);
134 mrsas_get_updated_dev_handle(struct mrsas_softc *sc,
135 PLD_LOAD_BALANCE_INFO lbInfo, struct IO_REQUEST_INFO *io_info);
136 extern int mrsas_complete_cmd(struct mrsas_softc *sc, u_int32_t MSIxIndex);
137 extern MR_LD_RAID *MR_LdRaidGet(u_int32_t ld, MR_DRV_RAID_MAP_ALL * map);
138 extern void mrsas_disable_intr(struct mrsas_softc *sc);
139 extern void mrsas_enable_intr(struct mrsas_softc *sc);
140 void mrsas_prepare_secondRaid1_IO(struct mrsas_softc *sc,
141 struct mrsas_mpt_cmd *cmd);
144 * mrsas_cam_attach: Main entry to CAM subsystem
145 * input: Adapter instance soft state
147 * This function is called from mrsas_attach() during initialization to perform
148 * SIM allocations and XPT bus registration. If the kernel version is 7.4 or
149 * earlier, it would also initiate a bus scan.
152 mrsas_cam_attach(struct mrsas_softc *sc)
154 struct cam_devq *devq;
157 mrsas_cam_depth = sc->max_scsi_cmds;
159 if ((devq = cam_simq_alloc(mrsas_cam_depth)) == NULL) {
160 device_printf(sc->mrsas_dev, "Cannot allocate SIM queue\n");
164 * Create SIM for bus 0 and register, also create path
166 sc->sim_0 = cam_sim_alloc(mrsas_action, mrsas_cam_poll, "mrsas", sc,
167 device_get_unit(sc->mrsas_dev), &sc->sim_lock, mrsas_cam_depth,
168 mrsas_cam_depth, devq);
169 if (sc->sim_0 == NULL) {
171 device_printf(sc->mrsas_dev, "Cannot register SIM\n");
174 /* Initialize taskqueue for Event Handling */
175 TASK_INIT(&sc->ev_task, 0, (void *)mrsas_aen_handler, sc);
176 sc->ev_tq = taskqueue_create("mrsas_taskq", M_NOWAIT | M_ZERO,
177 taskqueue_thread_enqueue, &sc->ev_tq);
179 /* Run the task queue with lowest priority */
180 taskqueue_start_threads(&sc->ev_tq, 1, 255, "%s taskq",
181 device_get_nameunit(sc->mrsas_dev));
182 mtx_lock(&sc->sim_lock);
183 if (xpt_bus_register(sc->sim_0, sc->mrsas_dev, 0) != CAM_SUCCESS) {
184 cam_sim_free(sc->sim_0, TRUE); /* passing true frees the devq */
185 mtx_unlock(&sc->sim_lock);
188 if (xpt_create_path(&sc->path_0, NULL, cam_sim_path(sc->sim_0),
189 CAM_TARGET_WILDCARD, CAM_LUN_WILDCARD) != CAM_REQ_CMP) {
190 xpt_bus_deregister(cam_sim_path(sc->sim_0));
191 cam_sim_free(sc->sim_0, TRUE); /* passing true will free the
193 mtx_unlock(&sc->sim_lock);
196 mtx_unlock(&sc->sim_lock);
199 * Create SIM for bus 1 and register, also create path
201 sc->sim_1 = cam_sim_alloc(mrsas_action, mrsas_cam_poll, "mrsas", sc,
202 device_get_unit(sc->mrsas_dev), &sc->sim_lock, mrsas_cam_depth,
203 mrsas_cam_depth, devq);
204 if (sc->sim_1 == NULL) {
206 device_printf(sc->mrsas_dev, "Cannot register SIM\n");
209 mtx_lock(&sc->sim_lock);
210 if (xpt_bus_register(sc->sim_1, sc->mrsas_dev, 1) != CAM_SUCCESS) {
211 cam_sim_free(sc->sim_1, TRUE); /* passing true frees the devq */
212 mtx_unlock(&sc->sim_lock);
215 if (xpt_create_path(&sc->path_1, NULL, cam_sim_path(sc->sim_1),
217 CAM_LUN_WILDCARD) != CAM_REQ_CMP) {
218 xpt_bus_deregister(cam_sim_path(sc->sim_1));
219 cam_sim_free(sc->sim_1, TRUE);
220 mtx_unlock(&sc->sim_lock);
223 mtx_unlock(&sc->sim_lock);
225 #if (__FreeBSD_version <= 704000)
226 if (mrsas_bus_scan(sc)) {
227 device_printf(sc->mrsas_dev, "Error in bus scan.\n");
235 * mrsas_cam_detach: De-allocates and teardown CAM
236 * input: Adapter instance soft state
238 * De-registers and frees the paths and SIMs.
241 mrsas_cam_detach(struct mrsas_softc *sc)
243 if (sc->ev_tq != NULL)
244 taskqueue_free(sc->ev_tq);
245 mtx_lock(&sc->sim_lock);
247 xpt_free_path(sc->path_0);
249 xpt_bus_deregister(cam_sim_path(sc->sim_0));
250 cam_sim_free(sc->sim_0, FALSE);
253 xpt_free_path(sc->path_1);
255 xpt_bus_deregister(cam_sim_path(sc->sim_1));
256 cam_sim_free(sc->sim_1, TRUE);
258 mtx_unlock(&sc->sim_lock);
262 * mrsas_action: SIM callback entry point
263 * input: pointer to SIM pointer to CAM Control Block
265 * This function processes CAM subsystem requests. The type of request is stored
266 * in ccb->ccb_h.func_code. The preprocessor #ifdef is necessary because
267 * ccb->cpi.maxio is not supported for FreeBSD version 7.4 or earlier.
270 mrsas_action(struct cam_sim *sim, union ccb *ccb)
272 struct mrsas_softc *sc = (struct mrsas_softc *)cam_sim_softc(sim);
273 struct ccb_hdr *ccb_h = &(ccb->ccb_h);
277 * Check if the system going down
278 * or the adapter is in unrecoverable critical error
280 if (sc->remove_in_progress ||
281 (sc->adprecovery == MRSAS_HW_CRITICAL_ERROR)) {
282 ccb->ccb_h.status |= CAM_DEV_NOT_THERE;
287 switch (ccb->ccb_h.func_code) {
290 device_id = ccb_h->target_id;
293 * bus 0 is LD, bus 1 is for system-PD
295 if (cam_sim_bus(sim) == 1 &&
296 sc->pd_list[device_id].driveState != MR_PD_STATE_SYSTEM) {
297 ccb->ccb_h.status |= CAM_DEV_NOT_THERE;
300 if (mrsas_startio(sc, sim, ccb)) {
301 ccb->ccb_h.status |= CAM_REQ_INVALID;
309 ccb->ccb_h.status = CAM_UA_ABORT;
318 case XPT_GET_TRAN_SETTINGS:
320 ccb->cts.protocol = PROTO_SCSI;
321 ccb->cts.protocol_version = SCSI_REV_2;
322 ccb->cts.transport = XPORT_SPI;
323 ccb->cts.transport_version = 2;
324 ccb->cts.xport_specific.spi.valid = CTS_SPI_VALID_DISC;
325 ccb->cts.xport_specific.spi.flags = CTS_SPI_FLAGS_DISC_ENB;
326 ccb->cts.proto_specific.scsi.valid = CTS_SCSI_VALID_TQ;
327 ccb->cts.proto_specific.scsi.flags = CTS_SCSI_FLAGS_TAG_ENB;
328 ccb->ccb_h.status = CAM_REQ_CMP;
332 case XPT_SET_TRAN_SETTINGS:
334 ccb->ccb_h.status = CAM_FUNC_NOTAVAIL;
338 case XPT_CALC_GEOMETRY:
340 cam_calc_geometry(&ccb->ccg, 1);
346 ccb->cpi.version_num = 1;
347 ccb->cpi.hba_inquiry = 0;
348 ccb->cpi.target_sprt = 0;
349 #if (__FreeBSD_version >= 902001)
350 ccb->cpi.hba_misc = PIM_UNMAPPED;
352 ccb->cpi.hba_misc = 0;
354 ccb->cpi.hba_eng_cnt = 0;
355 ccb->cpi.max_lun = MRSAS_SCSI_MAX_LUNS;
356 ccb->cpi.unit_number = cam_sim_unit(sim);
357 ccb->cpi.bus_id = cam_sim_bus(sim);
358 ccb->cpi.initiator_id = MRSAS_SCSI_INITIATOR_ID;
359 ccb->cpi.base_transfer_speed = 150000;
360 strlcpy(ccb->cpi.sim_vid, "FreeBSD", SIM_IDLEN);
361 strlcpy(ccb->cpi.hba_vid, "AVAGO", HBA_IDLEN);
362 strlcpy(ccb->cpi.dev_name, cam_sim_name(sim), DEV_IDLEN);
363 ccb->cpi.transport = XPORT_SPI;
364 ccb->cpi.transport_version = 2;
365 ccb->cpi.protocol = PROTO_SCSI;
366 ccb->cpi.protocol_version = SCSI_REV_2;
367 if (ccb->cpi.bus_id == 0)
368 ccb->cpi.max_target = MRSAS_MAX_PD - 1;
370 ccb->cpi.max_target = MRSAS_MAX_LD_IDS - 1;
371 #if (__FreeBSD_version > 704000)
372 ccb->cpi.maxio = sc->max_num_sge * MRSAS_PAGE_SIZE;
374 ccb->ccb_h.status = CAM_REQ_CMP;
380 ccb->ccb_h.status = CAM_REQ_INVALID;
388 * mrsas_scsiio_timeout: Callback function for IO timed out
389 * input: mpt command context
391 * This function will execute after timeout value provided by ccb header from
392 * CAM layer, if timer expires. Driver will run timer for all DCDM and LDIO
393 * coming from CAM layer. This function is callback function for IO timeout
394 * and it runs in no-sleep context. Set do_timedout_reset in Adapter context
395 * so that it will execute OCR/Kill adpter from ocr_thread context.
398 mrsas_scsiio_timeout(void *data)
400 struct mrsas_mpt_cmd *cmd;
401 struct mrsas_softc *sc;
407 cmd = (struct mrsas_mpt_cmd *)data;
410 if (cmd->ccb_ptr == NULL) {
411 printf("command timeout with NULL ccb\n");
416 * Below callout is dummy entry so that it will be cancelled from
417 * mrsas_cmd_done(). Now Controller will go to OCR/Kill Adapter based
418 * on OCR enable/disable property of Controller from ocr_thread
421 #if (__FreeBSD_version >= 1000510)
422 callout_reset_sbt(&cmd->cm_callout, SBT_1S * 180, 0,
423 mrsas_scsiio_timeout, cmd, 0);
425 callout_reset(&cmd->cm_callout, (180000 * hz) / 1000,
426 mrsas_scsiio_timeout, cmd);
429 if (cmd->ccb_ptr->cpi.bus_id == 0)
430 target_id = cmd->ccb_ptr->ccb_h.target_id;
432 target_id = (cmd->ccb_ptr->ccb_h.target_id + (MRSAS_MAX_PD - 1));
434 /* Save the cmd to be processed for TM, if it is not there in the array */
435 if (sc->target_reset_pool[target_id] == NULL) {
436 sc->target_reset_pool[target_id] = cmd;
437 mrsas_atomic_inc(&sc->target_reset_outstanding);
444 * mrsas_startio: SCSI IO entry point
445 * input: Adapter instance soft state
446 * pointer to CAM Control Block
448 * This function is the SCSI IO entry point and it initiates IO processing. It
449 * copies the IO and depending if the IO is read/write or inquiry, it would
450 * call mrsas_build_ldio() or mrsas_build_dcdb(), respectively. It returns 0
451 * if the command is sent to firmware successfully, otherwise it returns 1.
454 mrsas_startio(struct mrsas_softc *sc, struct cam_sim *sim,
457 struct mrsas_mpt_cmd *cmd, *r1_cmd = NULL;
458 struct ccb_hdr *ccb_h = &(ccb->ccb_h);
459 struct ccb_scsiio *csio = &(ccb->csio);
460 MRSAS_REQUEST_DESCRIPTOR_UNION *req_desc;
463 if ((csio->cdb_io.cdb_bytes[0]) == SYNCHRONIZE_CACHE &&
464 (!sc->fw_sync_cache_support)) {
465 ccb->ccb_h.status = CAM_REQ_CMP;
469 ccb_h->status |= CAM_SIM_QUEUED;
471 if (mrsas_atomic_inc_return(&sc->fw_outstanding) > sc->max_scsi_cmds) {
472 ccb_h->status |= CAM_REQUEUE_REQ;
474 mrsas_atomic_dec(&sc->fw_outstanding);
478 cmd = mrsas_get_mpt_cmd(sc);
481 ccb_h->status |= CAM_REQUEUE_REQ;
483 mrsas_atomic_dec(&sc->fw_outstanding);
487 if ((ccb_h->flags & CAM_DIR_MASK) != CAM_DIR_NONE) {
488 if (ccb_h->flags & CAM_DIR_IN)
489 cmd->flags |= MRSAS_DIR_IN;
490 if (ccb_h->flags & CAM_DIR_OUT)
491 cmd->flags |= MRSAS_DIR_OUT;
493 cmd->flags = MRSAS_DIR_NONE; /* no data */
495 /* For FreeBSD 9.2 and higher */
496 #if (__FreeBSD_version >= 902001)
498 * XXX We don't yet support physical addresses here.
500 switch ((ccb->ccb_h.flags & CAM_DATA_MASK)) {
502 case CAM_DATA_SG_PADDR:
503 device_printf(sc->mrsas_dev, "%s: physical addresses not supported\n",
505 mrsas_release_mpt_cmd(cmd);
506 ccb_h->status = CAM_REQ_INVALID;
507 ccb_h->status &= ~CAM_SIM_QUEUED;
510 device_printf(sc->mrsas_dev, "%s: scatter gather is not supported\n",
512 mrsas_release_mpt_cmd(cmd);
513 ccb_h->status = CAM_REQ_INVALID;
516 if (csio->dxfer_len > (sc->max_num_sge * MRSAS_PAGE_SIZE)) {
517 mrsas_release_mpt_cmd(cmd);
518 ccb_h->status = CAM_REQ_TOO_BIG;
521 cmd->length = csio->dxfer_len;
523 cmd->data = csio->data_ptr;
526 if (csio->dxfer_len > (sc->max_num_sge * MRSAS_PAGE_SIZE)) {
527 mrsas_release_mpt_cmd(cmd);
528 ccb_h->status = CAM_REQ_TOO_BIG;
531 cmd->length = csio->dxfer_len;
533 cmd->data = csio->data_ptr;
536 ccb->ccb_h.status = CAM_REQ_INVALID;
540 if (!(ccb_h->flags & CAM_DATA_PHYS)) { /* Virtual data address */
541 if (!(ccb_h->flags & CAM_SCATTER_VALID)) {
542 if (csio->dxfer_len > (sc->max_num_sge * MRSAS_PAGE_SIZE)) {
543 mrsas_release_mpt_cmd(cmd);
544 ccb_h->status = CAM_REQ_TOO_BIG;
547 cmd->length = csio->dxfer_len;
549 cmd->data = csio->data_ptr;
551 mrsas_release_mpt_cmd(cmd);
552 ccb_h->status = CAM_REQ_INVALID;
555 } else { /* Data addresses are physical. */
556 mrsas_release_mpt_cmd(cmd);
557 ccb_h->status = CAM_REQ_INVALID;
558 ccb_h->status &= ~CAM_SIM_QUEUED;
565 req_desc = mrsas_get_request_desc(sc, (cmd->index) - 1);
567 device_printf(sc->mrsas_dev, "Cannot get request_descriptor.\n");
570 memset(req_desc, 0, sizeof(MRSAS_REQUEST_DESCRIPTOR_UNION));
571 cmd->request_desc = req_desc;
573 if (ccb_h->flags & CAM_CDB_POINTER)
574 bcopy(csio->cdb_io.cdb_ptr, cmd->io_request->CDB.CDB32, csio->cdb_len);
576 bcopy(csio->cdb_io.cdb_bytes, cmd->io_request->CDB.CDB32, csio->cdb_len);
577 mtx_lock(&sc->raidmap_lock);
579 /* Check for IO type READ-WRITE targeted for Logical Volume */
580 cmd_type = mrsas_find_io_type(sim, ccb);
582 case READ_WRITE_LDIO:
583 /* Build READ-WRITE IO for Logical Volume */
584 if (mrsas_build_ldio_rw(sc, cmd, ccb)) {
585 device_printf(sc->mrsas_dev, "Build RW LDIO failed.\n");
586 mtx_unlock(&sc->raidmap_lock);
587 mrsas_release_mpt_cmd(cmd);
591 case NON_READ_WRITE_LDIO:
592 /* Build NON READ-WRITE IO for Logical Volume */
593 if (mrsas_build_ldio_nonrw(sc, cmd, ccb)) {
594 device_printf(sc->mrsas_dev, "Build NON-RW LDIO failed.\n");
595 mtx_unlock(&sc->raidmap_lock);
596 mrsas_release_mpt_cmd(cmd);
600 case READ_WRITE_SYSPDIO:
601 case NON_READ_WRITE_SYSPDIO:
602 if (sc->secure_jbod_support &&
603 (cmd_type == NON_READ_WRITE_SYSPDIO)) {
604 /* Build NON-RW IO for JBOD */
605 if (mrsas_build_syspdio(sc, cmd, ccb, sim, 0)) {
606 device_printf(sc->mrsas_dev,
607 "Build SYSPDIO failed.\n");
608 mtx_unlock(&sc->raidmap_lock);
609 mrsas_release_mpt_cmd(cmd);
613 /* Build RW IO for JBOD */
614 if (mrsas_build_syspdio(sc, cmd, ccb, sim, 1)) {
615 device_printf(sc->mrsas_dev,
616 "Build SYSPDIO failed.\n");
617 mtx_unlock(&sc->raidmap_lock);
618 mrsas_release_mpt_cmd(cmd);
623 mtx_unlock(&sc->raidmap_lock);
625 if (cmd->flags == MRSAS_DIR_IN) /* from device */
626 cmd->io_request->Control |= MPI2_SCSIIO_CONTROL_READ;
627 else if (cmd->flags == MRSAS_DIR_OUT) /* to device */
628 cmd->io_request->Control |= MPI2_SCSIIO_CONTROL_WRITE;
630 cmd->io_request->SGLFlags = MPI2_SGE_FLAGS_64_BIT_ADDRESSING;
631 cmd->io_request->SGLOffset0 = offsetof(MRSAS_RAID_SCSI_IO_REQUEST, SGL) / 4;
632 cmd->io_request->SenseBufferLowAddress = cmd->sense_phys_addr;
633 cmd->io_request->SenseBufferLength = MRSAS_SCSI_SENSE_BUFFERSIZE;
635 req_desc = cmd->request_desc;
636 req_desc->SCSIIO.SMID = cmd->index;
639 * Start timer for IO timeout. Default timeout value is 90 second.
641 cmd->callout_owner = true;
642 #if (__FreeBSD_version >= 1000510)
643 callout_reset_sbt(&cmd->cm_callout, SBT_1S * 180, 0,
644 mrsas_scsiio_timeout, cmd, 0);
646 callout_reset(&cmd->cm_callout, (180000 * hz) / 1000,
647 mrsas_scsiio_timeout, cmd);
650 if (mrsas_atomic_read(&sc->fw_outstanding) > sc->io_cmds_highwater)
651 sc->io_cmds_highwater++;
654 * if it is raid 1/10 fp write capable.
655 * try to get second command from pool and construct it.
656 * From FW, it has confirmed that lba values of two PDs corresponds to
657 * single R1/10 LD are always same
661 * driver side count always should be less than max_fw_cmds to get
664 if (cmd->r1_alt_dev_handle != MR_DEVHANDLE_INVALID) {
665 mrsas_prepare_secondRaid1_IO(sc, cmd);
666 mrsas_fire_cmd(sc, req_desc->addr.u.low,
667 req_desc->addr.u.high);
668 r1_cmd = cmd->peer_cmd;
669 mrsas_fire_cmd(sc, r1_cmd->request_desc->addr.u.low,
670 r1_cmd->request_desc->addr.u.high);
672 mrsas_fire_cmd(sc, req_desc->addr.u.low,
673 req_desc->addr.u.high);
680 mrsas_atomic_dec(&sc->fw_outstanding);
685 * mrsas_find_io_type: Determines if IO is read/write or inquiry
686 * input: pointer to CAM Control Block
688 * This function determines if the IO is read/write or inquiry. It returns a 1
689 * if the IO is read/write and 0 if it is inquiry.
692 mrsas_find_io_type(struct cam_sim *sim, union ccb *ccb)
694 struct ccb_scsiio *csio = &(ccb->csio);
696 switch (csio->cdb_io.cdb_bytes[0]) {
705 return (cam_sim_bus(sim) ?
706 READ_WRITE_SYSPDIO : READ_WRITE_LDIO);
708 return (cam_sim_bus(sim) ?
709 NON_READ_WRITE_SYSPDIO : NON_READ_WRITE_LDIO);
714 * mrsas_get_mpt_cmd: Get a cmd from free command pool
715 * input: Adapter instance soft state
717 * This function removes an MPT command from the command free list and
720 struct mrsas_mpt_cmd *
721 mrsas_get_mpt_cmd(struct mrsas_softc *sc)
723 struct mrsas_mpt_cmd *cmd = NULL;
725 mtx_lock(&sc->mpt_cmd_pool_lock);
726 if (!TAILQ_EMPTY(&sc->mrsas_mpt_cmd_list_head)) {
727 cmd = TAILQ_FIRST(&sc->mrsas_mpt_cmd_list_head);
728 TAILQ_REMOVE(&sc->mrsas_mpt_cmd_list_head, cmd, next);
733 memset((uint8_t *)cmd->io_request, 0, MRSAS_MPI2_RAID_DEFAULT_IO_FRAME_SIZE);
738 cmd->load_balance = 0;
741 mtx_unlock(&sc->mpt_cmd_pool_lock);
746 * mrsas_release_mpt_cmd: Return a cmd to free command pool
747 * input: Command packet for return to free command pool
749 * This function returns an MPT command to the free command list.
752 mrsas_release_mpt_cmd(struct mrsas_mpt_cmd *cmd)
754 struct mrsas_softc *sc = cmd->sc;
756 mtx_lock(&sc->mpt_cmd_pool_lock);
757 cmd->r1_alt_dev_handle = MR_DEVHANDLE_INVALID;
758 cmd->sync_cmd_idx = (u_int32_t)MRSAS_ULONG_MAX;
759 cmd->peer_cmd = NULL;
760 cmd->cmd_completed = 0;
761 memset((uint8_t *)cmd->io_request, 0,
762 sizeof(MRSAS_RAID_SCSI_IO_REQUEST));
763 TAILQ_INSERT_HEAD(&(sc->mrsas_mpt_cmd_list_head), cmd, next);
764 mtx_unlock(&sc->mpt_cmd_pool_lock);
770 * mrsas_get_request_desc: Get request descriptor from array
771 * input: Adapter instance soft state
774 * This function returns a pointer to the request descriptor.
776 MRSAS_REQUEST_DESCRIPTOR_UNION *
777 mrsas_get_request_desc(struct mrsas_softc *sc, u_int16_t index)
781 KASSERT(index < sc->max_fw_cmds, ("req_desc is out of range"));
782 p = sc->req_desc + sizeof(MRSAS_REQUEST_DESCRIPTOR_UNION) * index;
784 return (MRSAS_REQUEST_DESCRIPTOR_UNION *) p;
790 /* mrsas_prepare_secondRaid1_IO
791 * It prepares the raid 1 second IO
794 mrsas_prepare_secondRaid1_IO(struct mrsas_softc *sc,
795 struct mrsas_mpt_cmd *cmd)
797 MRSAS_REQUEST_DESCRIPTOR_UNION *req_desc, *req_desc2 = NULL;
798 struct mrsas_mpt_cmd *r1_cmd;
800 r1_cmd = cmd->peer_cmd;
801 req_desc = cmd->request_desc;
804 * copy the io request frame as well as 8 SGEs data for r1
807 memcpy(r1_cmd->io_request, cmd->io_request,
808 (sizeof(MRSAS_RAID_SCSI_IO_REQUEST)));
809 memcpy(&r1_cmd->io_request->SGL, &cmd->io_request->SGL,
810 (sc->max_sge_in_main_msg * sizeof(MPI2_SGE_IO_UNION)));
812 /* sense buffer is different for r1 command */
813 r1_cmd->io_request->SenseBufferLowAddress = r1_cmd->sense_phys_addr;
814 r1_cmd->ccb_ptr = cmd->ccb_ptr;
816 req_desc2 = mrsas_get_request_desc(sc, r1_cmd->index - 1);
817 req_desc2->addr.Words = 0;
818 r1_cmd->request_desc = req_desc2;
819 req_desc2->SCSIIO.SMID = r1_cmd->index;
820 req_desc2->SCSIIO.RequestFlags = req_desc->SCSIIO.RequestFlags;
821 r1_cmd->request_desc->SCSIIO.DevHandle = cmd->r1_alt_dev_handle;
822 r1_cmd->r1_alt_dev_handle = cmd->io_request->DevHandle;
823 r1_cmd->io_request->DevHandle = cmd->r1_alt_dev_handle;
824 cmd->io_request->RaidContext.raid_context_g35.smid.peerSMID =
826 r1_cmd->io_request->RaidContext.raid_context_g35.smid.peerSMID =
829 * MSIxIndex of both commands request descriptors
832 r1_cmd->request_desc->SCSIIO.MSIxIndex = cmd->request_desc->SCSIIO.MSIxIndex;
833 /* span arm is different for r1 cmd */
834 r1_cmd->io_request->RaidContext.raid_context_g35.spanArm =
835 cmd->io_request->RaidContext.raid_context_g35.spanArm + 1;
841 * mrsas_build_ldio_rw: Builds an LDIO command
842 * input: Adapter instance soft state
843 * Pointer to command packet
846 * This function builds the LDIO command packet. It returns 0 if the command is
847 * built successfully, otherwise it returns a 1.
850 mrsas_build_ldio_rw(struct mrsas_softc *sc, struct mrsas_mpt_cmd *cmd,
853 struct ccb_hdr *ccb_h = &(ccb->ccb_h);
854 struct ccb_scsiio *csio = &(ccb->csio);
856 MRSAS_RAID_SCSI_IO_REQUEST *io_request;
858 device_id = ccb_h->target_id;
860 io_request = cmd->io_request;
861 io_request->RaidContext.raid_context.VirtualDiskTgtId = device_id;
862 io_request->RaidContext.raid_context.status = 0;
863 io_request->RaidContext.raid_context.exStatus = 0;
865 /* just the cdb len, other flags zero, and ORed-in later for FP */
866 io_request->IoFlags = csio->cdb_len;
868 if (mrsas_setup_io(sc, cmd, ccb, device_id, io_request) != SUCCESS)
869 device_printf(sc->mrsas_dev, "Build ldio or fpio error\n");
871 io_request->DataLength = cmd->length;
873 if (mrsas_map_request(sc, cmd, ccb) == SUCCESS) {
874 if (cmd->sge_count > sc->max_num_sge) {
875 device_printf(sc->mrsas_dev, "Error: sge_count (0x%x) exceeds"
876 "max (0x%x) allowed\n", cmd->sge_count, sc->max_num_sge);
879 if (sc->is_ventura || sc->is_aero)
880 io_request->RaidContext.raid_context_g35.numSGE = cmd->sge_count;
883 * numSGE store lower 8 bit of sge_count. numSGEExt store
884 * higher 8 bit of sge_count
886 io_request->RaidContext.raid_context.numSGE = cmd->sge_count;
887 io_request->RaidContext.raid_context.numSGEExt = (uint8_t)(cmd->sge_count >> 8);
891 device_printf(sc->mrsas_dev, "Data map/load failed.\n");
897 /* stream detection on read and and write IOs */
899 mrsas_stream_detect(struct mrsas_softc *sc, struct mrsas_mpt_cmd *cmd,
900 struct IO_REQUEST_INFO *io_info)
902 u_int32_t device_id = io_info->ldTgtId;
903 LD_STREAM_DETECT *current_ld_SD = sc->streamDetectByLD[device_id];
904 u_int32_t *track_stream = ¤t_ld_SD->mruBitMap;
905 u_int32_t streamNum, shiftedValues, unshiftedValues;
906 u_int32_t indexValueMask, shiftedValuesMask;
908 boolean_t isReadAhead = false;
909 STREAM_DETECT *current_SD;
911 /* find possible stream */
912 for (i = 0; i < MAX_STREAMS_TRACKED; ++i) {
913 streamNum = (*track_stream >> (i * BITS_PER_INDEX_STREAM)) &
915 current_SD = ¤t_ld_SD->streamTrack[streamNum];
917 * if we found a stream, update the raid context and
918 * also update the mruBitMap
920 if (current_SD->nextSeqLBA &&
921 io_info->ldStartBlock >= current_SD->nextSeqLBA &&
922 (io_info->ldStartBlock <= (current_SD->nextSeqLBA+32)) &&
923 (current_SD->isRead == io_info->isRead)) {
924 if (io_info->ldStartBlock != current_SD->nextSeqLBA &&
925 (!io_info->isRead || !isReadAhead)) {
927 * Once the API availible we need to change this.
928 * At this point we are not allowing any gap
932 cmd->io_request->RaidContext.raid_context_g35.streamDetected = TRUE;
933 current_SD->nextSeqLBA = io_info->ldStartBlock + io_info->numBlocks;
935 * update the mruBitMap LRU
937 shiftedValuesMask = (1 << i * BITS_PER_INDEX_STREAM) - 1 ;
938 shiftedValues = ((*track_stream & shiftedValuesMask) <<
939 BITS_PER_INDEX_STREAM);
940 indexValueMask = STREAM_MASK << i * BITS_PER_INDEX_STREAM;
941 unshiftedValues = (*track_stream) &
942 (~(shiftedValuesMask | indexValueMask));
944 (unshiftedValues | shiftedValues | streamNum);
949 * if we did not find any stream, create a new one from the least recently used
951 streamNum = (*track_stream >>
952 ((MAX_STREAMS_TRACKED - 1) * BITS_PER_INDEX_STREAM)) & STREAM_MASK;
953 current_SD = ¤t_ld_SD->streamTrack[streamNum];
954 current_SD->isRead = io_info->isRead;
955 current_SD->nextSeqLBA = io_info->ldStartBlock + io_info->numBlocks;
956 *track_stream = (((*track_stream & ZERO_LAST_STREAM) << 4) | streamNum);
962 * mrsas_setup_io: Set up data including Fast Path I/O
963 * input: Adapter instance soft state
964 * Pointer to command packet
967 * This function builds the DCDB inquiry command. It returns 0 if the command
968 * is built successfully, otherwise it returns a 1.
971 mrsas_setup_io(struct mrsas_softc *sc, struct mrsas_mpt_cmd *cmd,
972 union ccb *ccb, u_int32_t device_id,
973 MRSAS_RAID_SCSI_IO_REQUEST * io_request)
975 struct ccb_hdr *ccb_h = &(ccb->ccb_h);
976 struct ccb_scsiio *csio = &(ccb->csio);
977 struct IO_REQUEST_INFO io_info;
978 MR_DRV_RAID_MAP_ALL *map_ptr;
979 struct mrsas_mpt_cmd *r1_cmd = NULL;
982 u_int8_t fp_possible;
983 u_int32_t start_lba_hi, start_lba_lo, ld_block_size, ld;
984 u_int32_t datalength = 0;
986 io_request->RaidContext.raid_context.VirtualDiskTgtId = device_id;
993 * READ_6 (0x08) or WRITE_6 (0x0A) cdb
995 if (csio->cdb_len == 6) {
996 datalength = (u_int32_t)csio->cdb_io.cdb_bytes[4];
997 start_lba_lo = ((u_int32_t)csio->cdb_io.cdb_bytes[1] << 16) |
998 ((u_int32_t)csio->cdb_io.cdb_bytes[2] << 8) |
999 (u_int32_t)csio->cdb_io.cdb_bytes[3];
1000 start_lba_lo &= 0x1FFFFF;
1003 * READ_10 (0x28) or WRITE_6 (0x2A) cdb
1005 else if (csio->cdb_len == 10) {
1006 datalength = (u_int32_t)csio->cdb_io.cdb_bytes[8] |
1007 ((u_int32_t)csio->cdb_io.cdb_bytes[7] << 8);
1008 start_lba_lo = ((u_int32_t)csio->cdb_io.cdb_bytes[2] << 24) |
1009 ((u_int32_t)csio->cdb_io.cdb_bytes[3] << 16) |
1010 (u_int32_t)csio->cdb_io.cdb_bytes[4] << 8 |
1011 ((u_int32_t)csio->cdb_io.cdb_bytes[5]);
1014 * READ_12 (0xA8) or WRITE_12 (0xAA) cdb
1016 else if (csio->cdb_len == 12) {
1017 datalength = (u_int32_t)csio->cdb_io.cdb_bytes[6] << 24 |
1018 ((u_int32_t)csio->cdb_io.cdb_bytes[7] << 16) |
1019 ((u_int32_t)csio->cdb_io.cdb_bytes[8] << 8) |
1020 ((u_int32_t)csio->cdb_io.cdb_bytes[9]);
1021 start_lba_lo = ((u_int32_t)csio->cdb_io.cdb_bytes[2] << 24) |
1022 ((u_int32_t)csio->cdb_io.cdb_bytes[3] << 16) |
1023 (u_int32_t)csio->cdb_io.cdb_bytes[4] << 8 |
1024 ((u_int32_t)csio->cdb_io.cdb_bytes[5]);
1027 * READ_16 (0x88) or WRITE_16 (0xx8A) cdb
1029 else if (csio->cdb_len == 16) {
1030 datalength = (u_int32_t)csio->cdb_io.cdb_bytes[10] << 24 |
1031 ((u_int32_t)csio->cdb_io.cdb_bytes[11] << 16) |
1032 ((u_int32_t)csio->cdb_io.cdb_bytes[12] << 8) |
1033 ((u_int32_t)csio->cdb_io.cdb_bytes[13]);
1034 start_lba_lo = ((u_int32_t)csio->cdb_io.cdb_bytes[6] << 24) |
1035 ((u_int32_t)csio->cdb_io.cdb_bytes[7] << 16) |
1036 (u_int32_t)csio->cdb_io.cdb_bytes[8] << 8 |
1037 ((u_int32_t)csio->cdb_io.cdb_bytes[9]);
1038 start_lba_hi = ((u_int32_t)csio->cdb_io.cdb_bytes[2] << 24) |
1039 ((u_int32_t)csio->cdb_io.cdb_bytes[3] << 16) |
1040 (u_int32_t)csio->cdb_io.cdb_bytes[4] << 8 |
1041 ((u_int32_t)csio->cdb_io.cdb_bytes[5]);
1043 memset(&io_info, 0, sizeof(struct IO_REQUEST_INFO));
1044 io_info.ldStartBlock = ((u_int64_t)start_lba_hi << 32) | start_lba_lo;
1045 io_info.numBlocks = datalength;
1046 io_info.ldTgtId = device_id;
1047 io_info.r1_alt_dev_handle = MR_DEVHANDLE_INVALID;
1049 io_request->DataLength = cmd->length;
1051 switch (ccb_h->flags & CAM_DIR_MASK) {
1060 mrsas_dprint(sc, MRSAS_TRACE, "From %s : DMA Flag is %d \n", __func__, ccb_h->flags & CAM_DIR_MASK);
1064 map_ptr = sc->ld_drv_map[(sc->map_id & 1)];
1065 ld_block_size = MR_LdBlockSizeGet(device_id, map_ptr);
1067 ld = MR_TargetIdToLdGet(device_id, map_ptr);
1068 if ((ld >= MAX_LOGICAL_DRIVES_EXT) || (!sc->fast_path_io)) {
1069 io_request->RaidContext.raid_context.regLockFlags = 0;
1072 if (MR_BuildRaidContext(sc, &io_info, &io_request->RaidContext.raid_context, map_ptr))
1073 fp_possible = io_info.fpOkForIo;
1076 raid = MR_LdRaidGet(ld, map_ptr);
1077 /* Store the TM capability value in cmd */
1078 cmd->tmCapable = raid->capability.tmCapable;
1080 cmd->request_desc->SCSIIO.MSIxIndex =
1081 sc->msix_vectors ? smp_processor_id() % sc->msix_vectors : 0;
1083 if (sc->is_ventura || sc->is_aero) {
1084 if (sc->streamDetectByLD) {
1085 mtx_lock(&sc->stream_lock);
1086 mrsas_stream_detect(sc, cmd, &io_info);
1087 mtx_unlock(&sc->stream_lock);
1088 /* In ventura if stream detected for a read and
1089 * it is read ahead capable make this IO as LDIO */
1090 if (io_request->RaidContext.raid_context_g35.streamDetected &&
1091 io_info.isRead && io_info.raCapable)
1092 fp_possible = FALSE;
1095 /* Set raid 1/10 fast path write capable bit in io_info.
1096 * Note - reset peer_cmd and r1_alt_dev_handle if fp_possible
1097 * disabled after this point. Try not to add more check for
1098 * fp_possible toggle after this.
1101 (io_info.r1_alt_dev_handle != MR_DEVHANDLE_INVALID) &&
1102 (raid->level == 1) && !io_info.isRead) {
1103 r1_cmd = mrsas_get_mpt_cmd(sc);
1104 if (mrsas_atomic_inc_return(&sc->fw_outstanding) > sc->max_scsi_cmds) {
1105 fp_possible = FALSE;
1106 mrsas_atomic_dec(&sc->fw_outstanding);
1108 r1_cmd = mrsas_get_mpt_cmd(sc);
1110 fp_possible = FALSE;
1111 mrsas_atomic_dec(&sc->fw_outstanding);
1114 cmd->peer_cmd = r1_cmd;
1115 r1_cmd->peer_cmd = cmd;
1122 mrsas_set_pd_lba(io_request, csio->cdb_len, &io_info, ccb, map_ptr,
1123 start_lba_lo, ld_block_size);
1124 io_request->Function = MPI2_FUNCTION_SCSI_IO_REQUEST;
1125 cmd->request_desc->SCSIIO.RequestFlags =
1126 (MPI2_REQ_DESCRIPT_FLAGS_FP_IO <<
1127 MRSAS_REQ_DESCRIPT_FLAGS_TYPE_SHIFT);
1128 if (sc->mrsas_gen3_ctrl) {
1129 if (io_request->RaidContext.raid_context.regLockFlags == REGION_TYPE_UNUSED)
1130 cmd->request_desc->SCSIIO.RequestFlags =
1131 (MRSAS_REQ_DESCRIPT_FLAGS_NO_LOCK <<
1132 MRSAS_REQ_DESCRIPT_FLAGS_TYPE_SHIFT);
1133 io_request->RaidContext.raid_context.Type = MPI2_TYPE_CUDA;
1134 io_request->RaidContext.raid_context.nseg = 0x1;
1135 io_request->IoFlags |= MPI25_SAS_DEVICE0_FLAGS_ENABLED_FAST_PATH;
1136 io_request->RaidContext.raid_context.regLockFlags |=
1137 (MR_RL_FLAGS_GRANT_DESTINATION_CUDA |
1138 MR_RL_FLAGS_SEQ_NUM_ENABLE);
1139 } else if (sc->is_ventura || sc->is_aero) {
1140 io_request->RaidContext.raid_context_g35.Type = MPI2_TYPE_CUDA;
1141 io_request->RaidContext.raid_context_g35.nseg = 0x1;
1142 io_request->RaidContext.raid_context_g35.routingFlags.bits.sqn = 1;
1143 io_request->IoFlags |= MPI25_SAS_DEVICE0_FLAGS_ENABLED_FAST_PATH;
1144 if (io_request->RaidContext.raid_context_g35.routingFlags.bits.sld) {
1145 io_request->RaidContext.raid_context_g35.RAIDFlags =
1146 (MR_RAID_FLAGS_IO_SUB_TYPE_CACHE_BYPASS
1147 << MR_RAID_CTX_RAID_FLAGS_IO_SUB_TYPE_SHIFT);
1150 if ((sc->load_balance_info[device_id].loadBalanceFlag) &&
1153 mrsas_get_updated_dev_handle(sc,
1154 &sc->load_balance_info[device_id], &io_info);
1155 cmd->load_balance = MRSAS_LOAD_BALANCE_FLAG;
1156 cmd->pd_r1_lb = io_info.pd_after_lb;
1157 if (sc->is_ventura || sc->is_aero)
1158 io_request->RaidContext.raid_context_g35.spanArm = io_info.span_arm;
1160 io_request->RaidContext.raid_context.spanArm = io_info.span_arm;
1162 cmd->load_balance = 0;
1164 if (sc->is_ventura || sc->is_aero)
1165 cmd->r1_alt_dev_handle = io_info.r1_alt_dev_handle;
1167 cmd->r1_alt_dev_handle = MR_DEVHANDLE_INVALID;
1169 cmd->request_desc->SCSIIO.DevHandle = io_info.devHandle;
1170 io_request->DevHandle = io_info.devHandle;
1171 cmd->pdInterface = io_info.pdInterface;
1174 io_request->RaidContext.raid_context.timeoutValue = map_ptr->raidMap.fpPdIoTimeoutSec;
1175 cmd->request_desc->SCSIIO.RequestFlags =
1176 (MRSAS_REQ_DESCRIPT_FLAGS_LD_IO <<
1177 MRSAS_REQ_DESCRIPT_FLAGS_TYPE_SHIFT);
1178 if (sc->mrsas_gen3_ctrl) {
1179 if (io_request->RaidContext.raid_context.regLockFlags == REGION_TYPE_UNUSED)
1180 cmd->request_desc->SCSIIO.RequestFlags =
1181 (MRSAS_REQ_DESCRIPT_FLAGS_NO_LOCK <<
1182 MRSAS_REQ_DESCRIPT_FLAGS_TYPE_SHIFT);
1183 io_request->RaidContext.raid_context.Type = MPI2_TYPE_CUDA;
1184 io_request->RaidContext.raid_context.regLockFlags |=
1185 (MR_RL_FLAGS_GRANT_DESTINATION_CPU0 |
1186 MR_RL_FLAGS_SEQ_NUM_ENABLE);
1187 io_request->RaidContext.raid_context.nseg = 0x1;
1188 } else if (sc->is_ventura || sc->is_aero) {
1189 io_request->RaidContext.raid_context_g35.Type = MPI2_TYPE_CUDA;
1190 io_request->RaidContext.raid_context_g35.routingFlags.bits.sqn = 1;
1191 io_request->RaidContext.raid_context_g35.nseg = 0x1;
1193 io_request->Function = MRSAS_MPI2_FUNCTION_LD_IO_REQUEST;
1194 io_request->DevHandle = device_id;
1200 * mrsas_build_ldio_nonrw: Builds an LDIO command
1201 * input: Adapter instance soft state
1202 * Pointer to command packet
1205 * This function builds the LDIO command packet. It returns 0 if the command is
1206 * built successfully, otherwise it returns a 1.
1209 mrsas_build_ldio_nonrw(struct mrsas_softc *sc, struct mrsas_mpt_cmd *cmd,
1212 struct ccb_hdr *ccb_h = &(ccb->ccb_h);
1213 u_int32_t device_id, ld;
1214 MR_DRV_RAID_MAP_ALL *map_ptr;
1216 RAID_CONTEXT *pRAID_Context;
1217 MRSAS_RAID_SCSI_IO_REQUEST *io_request;
1219 io_request = cmd->io_request;
1220 device_id = ccb_h->target_id;
1222 map_ptr = sc->ld_drv_map[(sc->map_id & 1)];
1223 ld = MR_TargetIdToLdGet(device_id, map_ptr);
1224 raid = MR_LdRaidGet(ld, map_ptr);
1225 /* get RAID_Context pointer */
1226 pRAID_Context = &io_request->RaidContext.raid_context;
1227 /* Store the TM capability value in cmd */
1228 cmd->tmCapable = raid->capability.tmCapable;
1230 /* FW path for LD Non-RW (SCSI management commands) */
1231 io_request->Function = MRSAS_MPI2_FUNCTION_LD_IO_REQUEST;
1232 io_request->DevHandle = device_id;
1233 cmd->request_desc->SCSIIO.RequestFlags =
1234 (MPI2_REQ_DESCRIPT_FLAGS_SCSI_IO <<
1235 MRSAS_REQ_DESCRIPT_FLAGS_TYPE_SHIFT);
1237 io_request->RaidContext.raid_context.VirtualDiskTgtId = device_id;
1238 io_request->LUN[1] = ccb_h->target_lun & 0xF;
1239 io_request->DataLength = cmd->length;
1241 if (mrsas_map_request(sc, cmd, ccb) == SUCCESS) {
1242 if (cmd->sge_count > sc->max_num_sge) {
1243 device_printf(sc->mrsas_dev, "Error: sge_count (0x%x) exceeds"
1244 "max (0x%x) allowed\n", cmd->sge_count, sc->max_num_sge);
1247 if (sc->is_ventura || sc->is_aero)
1248 io_request->RaidContext.raid_context_g35.numSGE = cmd->sge_count;
1251 * numSGE store lower 8 bit of sge_count. numSGEExt store
1252 * higher 8 bit of sge_count
1254 io_request->RaidContext.raid_context.numSGE = cmd->sge_count;
1255 io_request->RaidContext.raid_context.numSGEExt = (uint8_t)(cmd->sge_count >> 8);
1258 device_printf(sc->mrsas_dev, "Data map/load failed.\n");
1265 * mrsas_build_syspdio: Builds an DCDB command
1266 * input: Adapter instance soft state
1267 * Pointer to command packet
1270 * This function builds the DCDB inquiry command. It returns 0 if the command
1271 * is built successfully, otherwise it returns a 1.
1274 mrsas_build_syspdio(struct mrsas_softc *sc, struct mrsas_mpt_cmd *cmd,
1275 union ccb *ccb, struct cam_sim *sim, u_int8_t fp_possible)
1277 struct ccb_hdr *ccb_h = &(ccb->ccb_h);
1278 u_int32_t device_id;
1279 MR_DRV_RAID_MAP_ALL *local_map_ptr;
1280 MRSAS_RAID_SCSI_IO_REQUEST *io_request;
1281 RAID_CONTEXT *pRAID_Context;
1282 struct MR_PD_CFG_SEQ_NUM_SYNC *pd_sync;
1284 io_request = cmd->io_request;
1285 /* get RAID_Context pointer */
1286 pRAID_Context = &io_request->RaidContext.raid_context;
1287 device_id = ccb_h->target_id;
1288 local_map_ptr = sc->ld_drv_map[(sc->map_id & 1)];
1289 io_request->RaidContext.raid_context.RAIDFlags = MR_RAID_FLAGS_IO_SUB_TYPE_SYSTEM_PD
1290 << MR_RAID_CTX_RAID_FLAGS_IO_SUB_TYPE_SHIFT;
1291 io_request->RaidContext.raid_context.regLockFlags = 0;
1292 io_request->RaidContext.raid_context.regLockRowLBA = 0;
1293 io_request->RaidContext.raid_context.regLockLength = 0;
1295 cmd->pdInterface = sc->target_list[device_id].interface_type;
1297 /* If FW supports PD sequence number */
1298 if (sc->use_seqnum_jbod_fp &&
1299 sc->pd_list[device_id].driveType == 0x00) {
1300 //printf("Using Drv seq num\n");
1301 pd_sync = (void *)sc->jbodmap_mem[(sc->pd_seq_map_id - 1) & 1];
1302 cmd->tmCapable = pd_sync->seq[device_id].capability.tmCapable;
1303 /* More than 256 PD/JBOD support for Ventura */
1304 if (sc->support_morethan256jbod)
1305 io_request->RaidContext.raid_context.VirtualDiskTgtId =
1306 pd_sync->seq[device_id].pdTargetId;
1308 io_request->RaidContext.raid_context.VirtualDiskTgtId =
1310 io_request->RaidContext.raid_context.configSeqNum = pd_sync->seq[device_id].seqNum;
1311 io_request->DevHandle = pd_sync->seq[device_id].devHandle;
1312 if (sc->is_ventura || sc->is_aero)
1313 io_request->RaidContext.raid_context_g35.routingFlags.bits.sqn = 1;
1315 io_request->RaidContext.raid_context.regLockFlags |=
1316 (MR_RL_FLAGS_SEQ_NUM_ENABLE | MR_RL_FLAGS_GRANT_DESTINATION_CUDA);
1317 /* raid_context.Type = MPI2_TYPE_CUDA is valid only,
1318 * if FW support Jbod Sequence number
1320 io_request->RaidContext.raid_context.Type = MPI2_TYPE_CUDA;
1321 io_request->RaidContext.raid_context.nseg = 0x1;
1322 } else if (sc->fast_path_io) {
1323 //printf("Using LD RAID map\n");
1324 io_request->RaidContext.raid_context.VirtualDiskTgtId = device_id;
1325 io_request->RaidContext.raid_context.configSeqNum = 0;
1326 local_map_ptr = sc->ld_drv_map[(sc->map_id & 1)];
1327 io_request->DevHandle =
1328 local_map_ptr->raidMap.devHndlInfo[device_id].curDevHdl;
1330 //printf("Using FW PATH\n");
1331 /* Want to send all IO via FW path */
1332 io_request->RaidContext.raid_context.VirtualDiskTgtId = device_id;
1333 io_request->RaidContext.raid_context.configSeqNum = 0;
1334 io_request->DevHandle = MR_DEVHANDLE_INVALID;
1337 cmd->request_desc->SCSIIO.DevHandle = io_request->DevHandle;
1338 cmd->request_desc->SCSIIO.MSIxIndex =
1339 sc->msix_vectors ? smp_processor_id() % sc->msix_vectors : 0;
1342 /* system pd firmware path */
1343 io_request->Function = MRSAS_MPI2_FUNCTION_LD_IO_REQUEST;
1344 cmd->request_desc->SCSIIO.RequestFlags =
1345 (MPI2_REQ_DESCRIPT_FLAGS_SCSI_IO <<
1346 MRSAS_REQ_DESCRIPT_FLAGS_TYPE_SHIFT);
1347 io_request->RaidContext.raid_context.timeoutValue =
1348 local_map_ptr->raidMap.fpPdIoTimeoutSec;
1349 io_request->RaidContext.raid_context.VirtualDiskTgtId = device_id;
1351 /* system pd fast path */
1352 io_request->Function = MPI2_FUNCTION_SCSI_IO_REQUEST;
1353 io_request->RaidContext.raid_context.timeoutValue = local_map_ptr->raidMap.fpPdIoTimeoutSec;
1356 * NOTE - For system pd RW cmds only IoFlags will be FAST_PATH
1357 * Because the NON RW cmds will now go via FW Queue
1358 * and not the Exception queue
1360 if (sc->mrsas_gen3_ctrl || sc->is_ventura || sc->is_aero)
1361 io_request->IoFlags |= MPI25_SAS_DEVICE0_FLAGS_ENABLED_FAST_PATH;
1363 cmd->request_desc->SCSIIO.RequestFlags =
1364 (MPI2_REQ_DESCRIPT_FLAGS_FP_IO <<
1365 MRSAS_REQ_DESCRIPT_FLAGS_TYPE_SHIFT);
1368 io_request->LUN[1] = ccb_h->target_lun & 0xF;
1369 io_request->DataLength = cmd->length;
1371 if (mrsas_map_request(sc, cmd, ccb) == SUCCESS) {
1372 if (cmd->sge_count > sc->max_num_sge) {
1373 device_printf(sc->mrsas_dev, "Error: sge_count (0x%x) exceeds"
1374 "max (0x%x) allowed\n", cmd->sge_count, sc->max_num_sge);
1377 if (sc->is_ventura || sc->is_aero)
1378 io_request->RaidContext.raid_context_g35.numSGE = cmd->sge_count;
1381 * numSGE store lower 8 bit of sge_count. numSGEExt store
1382 * higher 8 bit of sge_count
1384 io_request->RaidContext.raid_context.numSGE = cmd->sge_count;
1385 io_request->RaidContext.raid_context.numSGEExt = (uint8_t)(cmd->sge_count >> 8);
1388 device_printf(sc->mrsas_dev, "Data map/load failed.\n");
1395 * mrsas_is_prp_possible: This function will tell whether PRPs should be built or not
1396 * sc: Adapter instance soft state
1397 * cmd: MPT command frame pointer
1398 * nsesg: Number of OS SGEs
1400 * This function will check whether IO is qualified to build PRPs
1401 * return: true: if PRP should be built
1402 * false: if IEEE SGLs should be built
1404 static boolean_t mrsas_is_prp_possible(struct mrsas_mpt_cmd *cmd,
1405 bus_dma_segment_t *segs, int nsegs)
1407 struct mrsas_softc *sc = cmd->sc;
1409 u_int32_t data_length = 0;
1410 bool build_prp = false;
1411 u_int32_t mr_nvme_pg_size;
1413 mr_nvme_pg_size = max(sc->nvme_page_size, MR_DEFAULT_NVME_PAGE_SIZE);
1414 data_length = cmd->length;
1416 if (data_length > (mr_nvme_pg_size * 5))
1418 else if ((data_length > (mr_nvme_pg_size * 4)) &&
1419 (data_length <= (mr_nvme_pg_size * 5))) {
1420 /* check if 1st SG entry size is < residual beyond 4 pages */
1421 if ((segs[0].ds_len) < (data_length - (mr_nvme_pg_size * 4)))
1425 /*check for SGE holes here*/
1426 for (i = 0; i < nsegs; i++) {
1427 /* check for mid SGEs */
1428 if ((i != 0) && (i != (nsegs - 1))) {
1429 if ((segs[i].ds_addr % mr_nvme_pg_size) ||
1430 (segs[i].ds_len % mr_nvme_pg_size)) {
1432 mrsas_atomic_inc(&sc->sge_holes);
1437 /* check for first SGE*/
1438 if ((nsegs > 1) && (i == 0)) {
1439 if ((segs[i].ds_addr + segs[i].ds_len) % mr_nvme_pg_size) {
1441 mrsas_atomic_inc(&sc->sge_holes);
1446 /* check for Last SGE*/
1447 if ((nsegs > 1) && (i == (nsegs - 1))) {
1448 if (segs[i].ds_addr % mr_nvme_pg_size) {
1450 mrsas_atomic_inc(&sc->sge_holes);
1461 * mrsas_map_request: Map and load data
1462 * input: Adapter instance soft state
1463 * Pointer to command packet
1465 * For data from OS, map and load the data buffer into bus space. The SG list
1466 * is built in the callback. If the bus dmamap load is not successful,
1467 * cmd->error_code will contain the error code and a 1 is returned.
1470 mrsas_map_request(struct mrsas_softc *sc,
1471 struct mrsas_mpt_cmd *cmd, union ccb *ccb)
1473 u_int32_t retcode = 0;
1474 struct cam_sim *sim;
1476 sim = xpt_path_sim(cmd->ccb_ptr->ccb_h.path);
1478 if (cmd->data != NULL) {
1479 /* Map data buffer into bus space */
1480 mtx_lock(&sc->io_lock);
1481 #if (__FreeBSD_version >= 902001)
1482 retcode = bus_dmamap_load_ccb(sc->data_tag, cmd->data_dmamap, ccb,
1483 mrsas_data_load_cb, cmd, 0);
1485 retcode = bus_dmamap_load(sc->data_tag, cmd->data_dmamap, cmd->data,
1486 cmd->length, mrsas_data_load_cb, cmd, BUS_DMA_NOWAIT);
1488 mtx_unlock(&sc->io_lock);
1490 device_printf(sc->mrsas_dev, "bus_dmamap_load(): retcode = %d\n", retcode);
1491 if (retcode == EINPROGRESS) {
1492 device_printf(sc->mrsas_dev, "request load in progress\n");
1493 mrsas_freeze_simq(cmd, sim);
1496 if (cmd->error_code)
1502 * mrsas_unmap_request: Unmap and unload data
1503 * input: Adapter instance soft state
1504 * Pointer to command packet
1506 * This function unmaps and unloads data from OS.
1509 mrsas_unmap_request(struct mrsas_softc *sc, struct mrsas_mpt_cmd *cmd)
1511 if (cmd->data != NULL) {
1512 if (cmd->flags & MRSAS_DIR_IN)
1513 bus_dmamap_sync(sc->data_tag, cmd->data_dmamap, BUS_DMASYNC_POSTREAD);
1514 if (cmd->flags & MRSAS_DIR_OUT)
1515 bus_dmamap_sync(sc->data_tag, cmd->data_dmamap, BUS_DMASYNC_POSTWRITE);
1516 mtx_lock(&sc->io_lock);
1517 bus_dmamap_unload(sc->data_tag, cmd->data_dmamap);
1518 mtx_unlock(&sc->io_lock);
1523 * mrsas_build_ieee_sgl - Prepare IEEE SGLs
1524 * @sc: Adapter soft state
1525 * @segs: OS SGEs pointers
1526 * @nseg: Number of OS SGEs
1527 * @cmd: Fusion command frame
1530 static void mrsas_build_ieee_sgl(struct mrsas_mpt_cmd *cmd, bus_dma_segment_t *segs, int nseg)
1532 struct mrsas_softc *sc = cmd->sc;
1533 MRSAS_RAID_SCSI_IO_REQUEST *io_request;
1534 pMpi25IeeeSgeChain64_t sgl_ptr;
1535 int i = 0, sg_processed = 0;
1537 io_request = cmd->io_request;
1538 sgl_ptr = (pMpi25IeeeSgeChain64_t)&io_request->SGL;
1540 if (sc->mrsas_gen3_ctrl || sc->is_ventura || sc->is_aero) {
1541 pMpi25IeeeSgeChain64_t sgl_ptr_end = sgl_ptr;
1543 sgl_ptr_end += sc->max_sge_in_main_msg - 1;
1544 sgl_ptr_end->Flags = 0;
1547 for (i = 0; i < nseg; i++) {
1548 sgl_ptr->Address = segs[i].ds_addr;
1549 sgl_ptr->Length = segs[i].ds_len;
1551 if (sc->mrsas_gen3_ctrl || sc->is_ventura || sc->is_aero) {
1553 sgl_ptr->Flags = IEEE_SGE_FLAGS_END_OF_LIST;
1556 sg_processed = i + 1;
1557 if ((sg_processed == (sc->max_sge_in_main_msg - 1)) &&
1558 (nseg > sc->max_sge_in_main_msg)) {
1559 pMpi25IeeeSgeChain64_t sg_chain;
1561 if (sc->mrsas_gen3_ctrl || sc->is_ventura || sc->is_aero) {
1562 if ((cmd->io_request->IoFlags & MPI25_SAS_DEVICE0_FLAGS_ENABLED_FAST_PATH)
1563 != MPI25_SAS_DEVICE0_FLAGS_ENABLED_FAST_PATH)
1564 cmd->io_request->ChainOffset = sc->chain_offset_io_request;
1566 cmd->io_request->ChainOffset = 0;
1568 cmd->io_request->ChainOffset = sc->chain_offset_io_request;
1570 if (sc->mrsas_gen3_ctrl || sc->is_ventura || sc->is_aero)
1571 sg_chain->Flags = IEEE_SGE_FLAGS_CHAIN_ELEMENT;
1573 sg_chain->Flags = (IEEE_SGE_FLAGS_CHAIN_ELEMENT | MPI2_IEEE_SGE_FLAGS_IOCPLBNTA_ADDR);
1574 sg_chain->Length = (sizeof(MPI2_SGE_IO_UNION) * (nseg - sg_processed));
1575 sg_chain->Address = cmd->chain_frame_phys_addr;
1576 sgl_ptr = (pMpi25IeeeSgeChain64_t)cmd->chain_frame;
1583 * mrsas_build_prp_nvme - Prepare PRPs(Physical Region Page)- SGLs specific to NVMe drives only
1584 * @sc: Adapter soft state
1585 * @segs: OS SGEs pointers
1586 * @nseg: Number of OS SGEs
1587 * @cmd: Fusion command frame
1590 static void mrsas_build_prp_nvme(struct mrsas_mpt_cmd *cmd, bus_dma_segment_t *segs, int nseg)
1592 struct mrsas_softc *sc = cmd->sc;
1593 int sge_len, offset, num_prp_in_chain = 0;
1594 pMpi25IeeeSgeChain64_t main_chain_element, ptr_first_sgl, sgl_ptr;
1596 bus_addr_t ptr_sgl_phys;
1598 u_int32_t page_mask, page_mask_result, i = 0;
1599 u_int32_t first_prp_len;
1600 int data_len = cmd->length;
1601 u_int32_t mr_nvme_pg_size = max(sc->nvme_page_size,
1602 MR_DEFAULT_NVME_PAGE_SIZE);
1604 sgl_ptr = (pMpi25IeeeSgeChain64_t) &cmd->io_request->SGL;
1606 * NVMe has a very convoluted PRP format. One PRP is required
1607 * for each page or partial page. We need to split up OS SG
1608 * entries if they are longer than one page or cross a page
1609 * boundary. We also have to insert a PRP list pointer entry as
1610 * the last entry in each physical page of the PRP list.
1612 * NOTE: The first PRP "entry" is actually placed in the first
1613 * SGL entry in the main message in IEEE 64 format. The 2nd
1614 * entry in the main message is the chain element, and the rest
1615 * of the PRP entries are built in the contiguous PCIe buffer.
1617 page_mask = mr_nvme_pg_size - 1;
1618 ptr_sgl = (u_int64_t *) cmd->chain_frame;
1619 ptr_sgl_phys = cmd->chain_frame_phys_addr;
1620 memset(ptr_sgl, 0, sc->max_chain_frame_sz);
1622 /* Build chain frame element which holds all PRPs except first*/
1623 main_chain_element = (pMpi25IeeeSgeChain64_t)
1624 ((u_int8_t *)sgl_ptr + sizeof(MPI25_IEEE_SGE_CHAIN64));
1627 main_chain_element->Address = cmd->chain_frame_phys_addr;
1628 main_chain_element->NextChainOffset = 0;
1629 main_chain_element->Flags = IEEE_SGE_FLAGS_CHAIN_ELEMENT |
1630 IEEE_SGE_FLAGS_SYSTEM_ADDR |
1631 MPI26_IEEE_SGE_FLAGS_NSF_NVME_PRP;
1634 /* Build first PRP, SGE need not to be PAGE aligned*/
1635 ptr_first_sgl = sgl_ptr;
1636 sge_addr = segs[i].ds_addr;
1637 sge_len = segs[i].ds_len;
1640 offset = (u_int32_t) (sge_addr & page_mask);
1641 first_prp_len = mr_nvme_pg_size - offset;
1643 ptr_first_sgl->Address = sge_addr;
1644 ptr_first_sgl->Length = first_prp_len;
1646 data_len -= first_prp_len;
1648 if (sge_len > first_prp_len) {
1649 sge_addr += first_prp_len;
1650 sge_len -= first_prp_len;
1651 } else if (sge_len == first_prp_len) {
1652 sge_addr = segs[i].ds_addr;
1653 sge_len = segs[i].ds_len;
1659 offset = (u_int32_t) (sge_addr & page_mask);
1661 /* Put PRP pointer due to page boundary*/
1662 page_mask_result = (uintptr_t)(ptr_sgl + 1) & page_mask;
1663 if (!page_mask_result) {
1664 device_printf(sc->mrsas_dev, "BRCM: Put prp pointer as we are at page boundary"
1665 " ptr_sgl: 0x%p\n", ptr_sgl);
1667 *ptr_sgl = (uintptr_t)ptr_sgl_phys;
1672 *ptr_sgl = sge_addr;
1678 sge_addr += mr_nvme_pg_size;
1679 sge_len -= mr_nvme_pg_size;
1680 data_len -= mr_nvme_pg_size;
1688 sge_addr = segs[i].ds_addr;
1689 sge_len = segs[i].ds_len;
1693 main_chain_element->Length = num_prp_in_chain * sizeof(u_int64_t);
1694 mrsas_atomic_inc(&sc->prp_count);
1699 * mrsas_data_load_cb: Callback entry point to build SGLs
1700 * input: Pointer to command packet as argument
1701 * Pointer to segment
1702 * Number of segments Error
1704 * This is the callback function of the bus dma map load. It builds SG list
1707 mrsas_data_load_cb(void *arg, bus_dma_segment_t *segs, int nseg, int error)
1709 struct mrsas_mpt_cmd *cmd = (struct mrsas_mpt_cmd *)arg;
1710 struct mrsas_softc *sc = cmd->sc;
1711 boolean_t build_prp = false;
1714 cmd->error_code = error;
1715 device_printf(sc->mrsas_dev, "mrsas_data_load_cb_prp: error=%d\n", error);
1716 if (error == EFBIG) {
1717 cmd->ccb_ptr->ccb_h.status = CAM_REQ_TOO_BIG;
1721 if (cmd->flags & MRSAS_DIR_IN)
1722 bus_dmamap_sync(cmd->sc->data_tag, cmd->data_dmamap,
1723 BUS_DMASYNC_PREREAD);
1724 if (cmd->flags & MRSAS_DIR_OUT)
1725 bus_dmamap_sync(cmd->sc->data_tag, cmd->data_dmamap,
1726 BUS_DMASYNC_PREWRITE);
1727 if (nseg > sc->max_num_sge) {
1728 device_printf(sc->mrsas_dev, "SGE count is too large or 0.\n");
1732 /* Check for whether PRPs should be built or IEEE SGLs*/
1733 if ((cmd->io_request->IoFlags & MPI25_SAS_DEVICE0_FLAGS_ENABLED_FAST_PATH) &&
1734 (cmd->pdInterface == NVME_PD))
1735 build_prp = mrsas_is_prp_possible(cmd, segs, nseg);
1737 if (build_prp == true)
1738 mrsas_build_prp_nvme(cmd, segs, nseg);
1740 mrsas_build_ieee_sgl(cmd, segs, nseg);
1742 cmd->sge_count = nseg;
1746 * mrsas_freeze_simq: Freeze SIM queue
1747 * input: Pointer to command packet
1750 * This function freezes the sim queue.
1753 mrsas_freeze_simq(struct mrsas_mpt_cmd *cmd, struct cam_sim *sim)
1755 union ccb *ccb = (union ccb *)(cmd->ccb_ptr);
1757 xpt_freeze_simq(sim, 1);
1758 ccb->ccb_h.status |= CAM_RELEASE_SIMQ;
1759 ccb->ccb_h.status |= CAM_REQUEUE_REQ;
1763 mrsas_xpt_freeze(struct mrsas_softc *sc)
1765 xpt_freeze_simq(sc->sim_0, 1);
1766 xpt_freeze_simq(sc->sim_1, 1);
1770 mrsas_xpt_release(struct mrsas_softc *sc)
1772 xpt_release_simq(sc->sim_0, 1);
1773 xpt_release_simq(sc->sim_1, 1);
1777 * mrsas_cmd_done: Perform remaining command completion
1778 * input: Adapter instance soft state Pointer to command packet
1780 * This function calls ummap request and releases the MPT command.
1783 mrsas_cmd_done(struct mrsas_softc *sc, struct mrsas_mpt_cmd *cmd)
1785 mrsas_unmap_request(sc, cmd);
1787 mtx_lock(&sc->sim_lock);
1788 if (cmd->callout_owner) {
1789 callout_stop(&cmd->cm_callout);
1790 cmd->callout_owner = false;
1792 xpt_done(cmd->ccb_ptr);
1793 cmd->ccb_ptr = NULL;
1794 mtx_unlock(&sc->sim_lock);
1795 mrsas_release_mpt_cmd(cmd);
1799 * mrsas_cam_poll: Polling entry point
1800 * input: Pointer to SIM
1802 * This is currently a stub function.
1805 mrsas_cam_poll(struct cam_sim *sim)
1808 struct mrsas_softc *sc = (struct mrsas_softc *)cam_sim_softc(sim);
1810 if (sc->msix_vectors != 0){
1811 for (i=0; i<sc->msix_vectors; i++){
1812 mrsas_complete_cmd(sc, i);
1815 mrsas_complete_cmd(sc, 0);
1820 * mrsas_bus_scan: Perform bus scan
1821 * input: Adapter instance soft state
1823 * This mrsas_bus_scan function is needed for FreeBSD 7.x. Also, it should not
1824 * be called in FreeBSD 8.x and later versions, where the bus scan is
1828 mrsas_bus_scan(struct mrsas_softc *sc)
1833 if ((ccb_0 = xpt_alloc_ccb()) == NULL) {
1836 if ((ccb_1 = xpt_alloc_ccb()) == NULL) {
1837 xpt_free_ccb(ccb_0);
1840 mtx_lock(&sc->sim_lock);
1841 if (xpt_create_path(&ccb_0->ccb_h.path, xpt_periph, cam_sim_path(sc->sim_0),
1842 CAM_TARGET_WILDCARD, CAM_LUN_WILDCARD) != CAM_REQ_CMP) {
1843 xpt_free_ccb(ccb_0);
1844 xpt_free_ccb(ccb_1);
1845 mtx_unlock(&sc->sim_lock);
1848 if (xpt_create_path(&ccb_1->ccb_h.path, xpt_periph, cam_sim_path(sc->sim_1),
1849 CAM_TARGET_WILDCARD, CAM_LUN_WILDCARD) != CAM_REQ_CMP) {
1850 xpt_free_ccb(ccb_0);
1851 xpt_free_ccb(ccb_1);
1852 mtx_unlock(&sc->sim_lock);
1855 mtx_unlock(&sc->sim_lock);
1863 * mrsas_bus_scan_sim: Perform bus scan per SIM
1864 * input: adapter instance soft state
1866 * This function will be called from Event handler on LD creation/deletion,
1870 mrsas_bus_scan_sim(struct mrsas_softc *sc, struct cam_sim *sim)
1874 if ((ccb = xpt_alloc_ccb()) == NULL) {
1877 mtx_lock(&sc->sim_lock);
1878 if (xpt_create_path(&ccb->ccb_h.path, xpt_periph, cam_sim_path(sim),
1879 CAM_TARGET_WILDCARD, CAM_LUN_WILDCARD) != CAM_REQ_CMP) {
1881 mtx_unlock(&sc->sim_lock);
1884 mtx_unlock(&sc->sim_lock);
1891 * mrsas_track_scsiio: Track IOs for a given target in the mpt_cmd_list
1892 * input: Adapter instance soft state
1893 * Target ID of target
1894 * Bus ID of the target
1896 * This function checks for any pending IO in the whole mpt_cmd_list pool
1897 * with the bus_id and target_id passed in arguments. If some IO is found
1898 * that means target reset is not successfully completed.
1900 * Returns FAIL if IOs pending to the target device, else return SUCCESS
1903 mrsas_track_scsiio(struct mrsas_softc *sc, target_id_t tgt_id, u_int32_t bus_id)
1906 struct mrsas_mpt_cmd *mpt_cmd = NULL;
1908 for (i = 0 ; i < sc->max_fw_cmds; i++) {
1909 mpt_cmd = sc->mpt_cmd_list[i];
1912 * Check if the target_id and bus_id is same as the timeout IO
1914 if (mpt_cmd->ccb_ptr) {
1915 /* bus_id = 1 denotes a VD */
1917 tgt_id = (mpt_cmd->ccb_ptr->ccb_h.target_id - (MRSAS_MAX_PD - 1));
1919 if (mpt_cmd->ccb_ptr->cpi.bus_id == bus_id &&
1920 mpt_cmd->ccb_ptr->ccb_h.target_id == tgt_id) {
1921 device_printf(sc->mrsas_dev,
1922 "IO commands pending to target id %d\n", tgt_id);
1933 * mrsas_tm_response_code: Prints TM response code received from FW
1934 * input: Adapter instance soft state
1935 * MPI reply returned from firmware
1940 mrsas_tm_response_code(struct mrsas_softc *sc,
1941 MPI2_SCSI_TASK_MANAGE_REPLY *mpi_reply)
1945 switch (mpi_reply->ResponseCode) {
1946 case MPI2_SCSITASKMGMT_RSP_TM_COMPLETE:
1947 desc = "task management request completed";
1949 case MPI2_SCSITASKMGMT_RSP_INVALID_FRAME:
1950 desc = "invalid frame";
1952 case MPI2_SCSITASKMGMT_RSP_TM_NOT_SUPPORTED:
1953 desc = "task management request not supported";
1955 case MPI2_SCSITASKMGMT_RSP_TM_FAILED:
1956 desc = "task management request failed";
1958 case MPI2_SCSITASKMGMT_RSP_TM_SUCCEEDED:
1959 desc = "task management request succeeded";
1961 case MPI2_SCSITASKMGMT_RSP_TM_INVALID_LUN:
1962 desc = "invalid lun";
1965 desc = "overlapped tag attempted";
1967 case MPI2_SCSITASKMGMT_RSP_IO_QUEUED_ON_IOC:
1968 desc = "task queued, however not sent to target";
1974 device_printf(sc->mrsas_dev, "response_code(%01x): %s\n",
1975 mpi_reply->ResponseCode, desc);
1976 device_printf(sc->mrsas_dev,
1977 "TerminationCount/DevHandle/Function/TaskType/IOCStat/IOCLoginfo\n"
1978 "0x%x/0x%x/0x%x/0x%x/0x%x/0x%x\n",
1979 mpi_reply->TerminationCount, mpi_reply->DevHandle,
1980 mpi_reply->Function, mpi_reply->TaskType,
1981 mpi_reply->IOCStatus, mpi_reply->IOCLogInfo);
1986 * mrsas_issue_tm: Fires the TM command to FW and waits for completion
1987 * input: Adapter instance soft state
1988 * reqest descriptor compiled by mrsas_reset_targets
1990 * Returns FAIL if TM command TIMEDOUT from FW else SUCCESS.
1993 mrsas_issue_tm(struct mrsas_softc *sc,
1994 MRSAS_REQUEST_DESCRIPTOR_UNION *req_desc)
1998 mrsas_fire_cmd(sc, req_desc->addr.u.low, req_desc->addr.u.high);
1999 sleep_stat = msleep(&sc->ocr_chan, &sc->sim_lock, PRIBIO, "tm_sleep", 50*hz);
2001 if (sleep_stat == EWOULDBLOCK) {
2002 device_printf(sc->mrsas_dev, "tm cmd TIMEDOUT\n");
2010 * mrsas_reset_targets : Gathers info to fire a target reset command
2011 * input: Adapter instance soft state
2013 * This function compiles data for a target reset command to be fired to the FW
2014 * and then traverse the target_reset_pool to see targets with TIMEDOUT IOs.
2016 * Returns SUCCESS or FAIL
2018 int mrsas_reset_targets(struct mrsas_softc *sc)
2020 struct mrsas_mpt_cmd *tm_mpt_cmd = NULL;
2021 struct mrsas_mpt_cmd *tgt_mpt_cmd = NULL;
2022 MR_TASK_MANAGE_REQUEST *mr_request;
2023 MPI2_SCSI_TASK_MANAGE_REQUEST *tm_mpi_request;
2024 MRSAS_REQUEST_DESCRIPTOR_UNION *req_desc;
2025 int retCode = FAIL, count, i, outstanding;
2026 u_int32_t MSIxIndex, bus_id;
2029 MPI2_SCSI_TASK_MANAGE_REPLY *mpi_reply;
2032 outstanding = mrsas_atomic_read(&sc->fw_outstanding);
2035 device_printf(sc->mrsas_dev, "NO IOs pending...\n");
2036 mrsas_atomic_set(&sc->target_reset_outstanding, 0);
2039 } else if (sc->adprecovery != MRSAS_HBA_OPERATIONAL) {
2040 device_printf(sc->mrsas_dev, "Controller is not operational\n");
2043 /* Some more error checks will be added in future */
2046 /* Get an mpt frame and an index to fire the TM cmd */
2047 tm_mpt_cmd = mrsas_get_mpt_cmd(sc);
2053 req_desc = mrsas_get_request_desc(sc, (tm_mpt_cmd->index) - 1);
2055 device_printf(sc->mrsas_dev, "Cannot get request_descriptor for tm.\n");
2059 memset(req_desc, 0, sizeof(MRSAS_REQUEST_DESCRIPTOR_UNION));
2061 req_desc->HighPriority.SMID = tm_mpt_cmd->index;
2062 req_desc->HighPriority.RequestFlags =
2063 (MPI2_REQ_DESCRIPT_FLAGS_HIGH_PRIORITY <<
2064 MRSAS_REQ_DESCRIPT_FLAGS_TYPE_SHIFT);
2065 req_desc->HighPriority.MSIxIndex = 0;
2066 req_desc->HighPriority.LMID = 0;
2067 req_desc->HighPriority.Reserved1 = 0;
2068 tm_mpt_cmd->request_desc = req_desc;
2070 mr_request = (MR_TASK_MANAGE_REQUEST *) tm_mpt_cmd->io_request;
2071 memset(mr_request, 0, sizeof(MR_TASK_MANAGE_REQUEST));
2073 tm_mpi_request = (MPI2_SCSI_TASK_MANAGE_REQUEST *) &mr_request->TmRequest;
2074 tm_mpi_request->Function = MPI2_FUNCTION_SCSI_TASK_MGMT;
2075 tm_mpi_request->TaskType = MPI2_SCSITASKMGMT_TASKTYPE_TARGET_RESET;
2076 tm_mpi_request->TaskMID = 0; /* smid task */
2077 tm_mpi_request->LUN[1] = 0;
2079 /* Traverse the tm_mpt pool to get valid entries */
2080 for (i = 0 ; i < MRSAS_MAX_TM_TARGETS; i++) {
2081 if(!sc->target_reset_pool[i]) {
2084 tgt_mpt_cmd = sc->target_reset_pool[i];
2089 /* See if the target is tm capable or NOT */
2090 if (!tgt_mpt_cmd->tmCapable) {
2091 device_printf(sc->mrsas_dev, "Task management NOT SUPPORTED for "
2092 "CAM target:%d\n", tgt_id);
2098 tm_mpi_request->DevHandle = tgt_mpt_cmd->io_request->DevHandle;
2100 if (i < (MRSAS_MAX_PD - 1)) {
2101 mr_request->uTmReqReply.tmReqFlags.isTMForPD = 1;
2104 mr_request->uTmReqReply.tmReqFlags.isTMForLD = 1;
2108 device_printf(sc->mrsas_dev, "TM will be fired for "
2109 "CAM target:%d and bus_id %d\n", tgt_id, bus_id);
2111 sc->ocr_chan = (void *)&tm_mpt_cmd;
2112 retCode = mrsas_issue_tm(sc, req_desc);
2113 if (retCode == FAIL)
2118 (MPI2_SCSI_TASK_MANAGE_REPLY *) &mr_request->uTmReqReply.TMReply;
2119 mrsas_tm_response_code(sc, mpi_reply);
2121 mrsas_atomic_dec(&sc->target_reset_outstanding);
2122 sc->target_reset_pool[i] = NULL;
2124 /* Check for pending cmds in the mpt_cmd_pool with the tgt_id */
2125 mrsas_disable_intr(sc);
2126 /* Wait for 1 second to complete parallel ISR calling same
2127 * mrsas_complete_cmd()
2129 msleep(&sc->ocr_chan, &sc->sim_lock, PRIBIO, "mrsas_reset_wakeup",
2131 count = sc->msix_vectors > 0 ? sc->msix_vectors : 1;
2132 mtx_unlock(&sc->sim_lock);
2133 for (MSIxIndex = 0; MSIxIndex < count; MSIxIndex++)
2134 mrsas_complete_cmd(sc, MSIxIndex);
2135 mtx_lock(&sc->sim_lock);
2136 retCode = mrsas_track_scsiio(sc, tgt_id, bus_id);
2137 mrsas_enable_intr(sc);
2139 if (retCode == FAIL)
2143 device_printf(sc->mrsas_dev, "Number of targets outstanding "
2144 "after reset: %d\n", mrsas_atomic_read(&sc->target_reset_outstanding));
2147 mrsas_release_mpt_cmd(tm_mpt_cmd);
2149 device_printf(sc->mrsas_dev, "target reset %s!!\n",
2150 (retCode == SUCCESS) ? "SUCCESS" : "FAIL");