/**
* mrsas_build_dcdb: Builds an DCDB command
* input: Adapter instance soft state
* Pointer to command packet
* Pointer to CCB
*
* This function builds the DCDB inquiry command. It returns 0 if the
* command is built successfully, otherwise it returns a 1.
*/
int mrsas_build_dcdb(struct mrsas_softc *sc, struct mrsas_mpt_cmd *cmd,
union ccb *ccb, struct cam_sim *sim)
{
struct ccb_hdr *ccb_h = &(ccb->ccb_h);
u_int32_t device_id;
MR_FW_RAID_MAP_ALL *map_ptr;
MRSAS_RAID_SCSI_IO_REQUEST *io_request;
io_request = cmd->io_request;
device_id = ccb_h->target_id;
map_ptr = sc->raidmap_mem[(sc->map_id & 1)];
/* Check if this is for system PD */
if (cam_sim_bus(sim) == 1 &&
sc->pd_list[device_id].driveState == MR_PD_STATE_SYSTEM) {
io_request->Function = 0;
io_request->DevHandle = map_ptr->raidMap.devHndlInfo[device_id].curDevHdl;
io_request->RaidContext.timeoutValue = map_ptr->raidMap.fpPdIoTimeoutSec;
io_request->RaidContext.regLockFlags = 0;
io_request->RaidContext.regLockRowLBA = 0;
io_request->RaidContext.regLockLength = 0;
io_request->RaidContext.RAIDFlags = MR_RAID_FLAGS_IO_SUB_TYPE_SYSTEM_PD <<
MR_RAID_CTX_RAID_FLAGS_IO_SUB_TYPE_SHIFT;
if ((sc->device_id == MRSAS_INVADER) || (sc->device_id == MRSAS_FURY))
io_request->IoFlags |= MPI25_SAS_DEVICE0_FLAGS_ENABLED_FAST_PATH;
cmd->request_desc->SCSIIO.RequestFlags =
(MPI2_REQ_DESCRIPT_FLAGS_HIGH_PRIORITY <<
MRSAS_REQ_DESCRIPT_FLAGS_TYPE_SHIFT);
cmd->request_desc->SCSIIO.DevHandle =
map_ptr->raidMap.devHndlInfo[device_id].curDevHdl;
}
else {
io_request->Function = MRSAS_MPI2_FUNCTION_LD_IO_REQUEST;
io_request->DevHandle = device_id;
cmd->request_desc->SCSIIO.RequestFlags =
(MPI2_REQ_DESCRIPT_FLAGS_SCSI_IO << MRSAS_REQ_DESCRIPT_FLAGS_TYPE_SHIFT);
}
io_request->RaidContext.VirtualDiskTgtId = device_id;
io_request->LUN[1] = ccb_h->target_lun & 0xF;
io_request->DataLength = cmd->length;
if (mrsas_map_request(sc, cmd) == SUCCESS) {
if (cmd->sge_count > sc->max_num_sge) {
device_printf(sc->mrsas_dev, "Error: sge_count (0x%x) exceeds"
"max (0x%x) allowed\n", cmd->sge_count, sc->max_num_sge);
return (1);
}
io_request->RaidContext.numSGE = cmd->sge_count;
}
else {
device_printf(sc->mrsas_dev, "Data map/load failed.\n");
return(1);
}
return(0);
}
/*
* mrsas_build_ldio_rw: Builds an LDIO command
* input: Adapter instance soft state
* Pointer to command packet
* Pointer to CCB
*
* This function builds the LDIO command packet. It returns 0 if the command is
* built successfully, otherwise it returns a 1.
*/
int
mrsas_build_ldio_rw(struct mrsas_softc *sc, struct mrsas_mpt_cmd *cmd,
union ccb *ccb)
{
struct ccb_hdr *ccb_h = &(ccb->ccb_h);
struct ccb_scsiio *csio = &(ccb->csio);
u_int32_t device_id;
MRSAS_RAID_SCSI_IO_REQUEST *io_request;
device_id = ccb_h->target_id;
io_request = cmd->io_request;
io_request->RaidContext.VirtualDiskTgtId = device_id;
io_request->RaidContext.status = 0;
io_request->RaidContext.exStatus = 0;
/* just the cdb len, other flags zero, and ORed-in later for FP */
io_request->IoFlags = csio->cdb_len;
if (mrsas_setup_io(sc, cmd, ccb, device_id, io_request) != SUCCESS)
device_printf(sc->mrsas_dev, "Build ldio or fpio error\n");
io_request->DataLength = cmd->length;
if (mrsas_map_request(sc, cmd, ccb) == SUCCESS) {
if (cmd->sge_count > sc->max_num_sge) {
device_printf(sc->mrsas_dev, "Error: sge_count (0x%x) exceeds"
"max (0x%x) allowed\n", cmd->sge_count, sc->max_num_sge);
return (FAIL);
}
/*
* numSGE store lower 8 bit of sge_count. numSGEExt store
* higher 8 bit of sge_count
*/
io_request->RaidContext.numSGE = cmd->sge_count;
io_request->RaidContext.numSGEExt = (uint8_t)(cmd->sge_count >> 8);
} else {
/*
* mrsas_build_dcdb: Builds an DCDB command
* input: Adapter instance soft state
* Pointer to command packet
* Pointer to CCB
*
* This function builds the DCDB inquiry command. It returns 0 if the command
* is built successfully, otherwise it returns a 1.
*/
int
mrsas_build_dcdb(struct mrsas_softc *sc, struct mrsas_mpt_cmd *cmd,
union ccb *ccb, struct cam_sim *sim)
{
struct ccb_hdr *ccb_h = &(ccb->ccb_h);
u_int32_t device_id;
MR_DRV_RAID_MAP_ALL *map_ptr;
MRSAS_RAID_SCSI_IO_REQUEST *io_request;
io_request = cmd->io_request;
device_id = ccb_h->target_id;
map_ptr = sc->ld_drv_map[(sc->map_id & 1)];
/*
* Check if this is RW for system PD or
* it's a NON RW for sys PD and there is NO secure jbod FW support
*/
if (cam_sim_bus(sim) == 1 &&
sc->pd_list[device_id].driveState == MR_PD_STATE_SYSTEM) {
io_request->DevHandle =
map_ptr->raidMap.devHndlInfo[device_id].curDevHdl;
io_request->RaidContext.RAIDFlags =
MR_RAID_FLAGS_IO_SUB_TYPE_SYSTEM_PD <<
MR_RAID_CTX_RAID_FLAGS_IO_SUB_TYPE_SHIFT;
cmd->request_desc->SCSIIO.DevHandle = io_request->DevHandle;
cmd->request_desc->SCSIIO.MSIxIndex =
sc->msix_vectors ? smp_processor_id() % sc->msix_vectors : 0;
if (sc->secure_jbod_support && (mrsas_find_io_type(sim, ccb) == NON_READ_WRITE_SYSPDIO)) {
/* system pd firmware path */
io_request->Function = MRSAS_MPI2_FUNCTION_LD_IO_REQUEST;
cmd->request_desc->SCSIIO.RequestFlags =
(MPI2_REQ_DESCRIPT_FLAGS_SCSI_IO << MRSAS_REQ_DESCRIPT_FLAGS_TYPE_SHIFT);
} else {
/* system pd fast path */
io_request->Function = MPI2_FUNCTION_SCSI_IO_REQUEST;
io_request->RaidContext.timeoutValue = map_ptr->raidMap.fpPdIoTimeoutSec;
io_request->RaidContext.regLockFlags = 0;
io_request->RaidContext.regLockRowLBA = 0;
io_request->RaidContext.regLockLength = 0;
cmd->request_desc->SCSIIO.RequestFlags =
(MPI2_REQ_DESCRIPT_FLAGS_HIGH_PRIORITY <<
MRSAS_REQ_DESCRIPT_FLAGS_TYPE_SHIFT);
/*
* NOTE - For system pd RW cmds only IoFlags will be FAST_PATH
* Because the NON RW cmds will now go via FW Queue
* and not the Exception queue
*/
if ((sc->device_id == MRSAS_INVADER) || (sc->device_id == MRSAS_FURY))
io_request->IoFlags |= MPI25_SAS_DEVICE0_FLAGS_ENABLED_FAST_PATH;
}
} else {
/* FW path for SysPD or LD Non-RW (SCSI management commands) */
io_request->Function = MRSAS_MPI2_FUNCTION_LD_IO_REQUEST;
io_request->DevHandle = device_id;
cmd->request_desc->SCSIIO.RequestFlags =
(MPI2_REQ_DESCRIPT_FLAGS_SCSI_IO <<
MRSAS_REQ_DESCRIPT_FLAGS_TYPE_SHIFT);
}
io_request->RaidContext.VirtualDiskTgtId = device_id;
io_request->LUN[1] = ccb_h->target_lun & 0xF;
io_request->DataLength = cmd->length;
if (mrsas_map_request(sc, cmd, ccb) == SUCCESS) {
if (cmd->sge_count > sc->max_num_sge) {
device_printf(sc->mrsas_dev, "Error: sge_count (0x%x) exceeds"
"max (0x%x) allowed\n", cmd->sge_count, sc->max_num_sge);
return (1);
}
io_request->RaidContext.numSGE = cmd->sge_count;
} else {
device_printf(sc->mrsas_dev, "Data map/load failed.\n");
return (1);
}
return (0);
}