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Differential D44452 Diff 139565 sys/dev/mpi3mr/mpi3mr_cam.c

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sys/dev/mpi3mr/mpi3mr_cam.c

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#include <cam/scsi/smp_all.h> #include <cam/scsi/smp_all.h>
#include <dev/nvme/nvme.h> #include <dev/nvme/nvme.h>
#include "mpi/mpi30_api.h" #include "mpi/mpi30_api.h"
#include "mpi3mr_cam.h" #include "mpi3mr_cam.h"
#include "mpi3mr.h" #include "mpi3mr.h"
#include <sys/time.h> /* XXX for pcpu.h */ #include <sys/time.h> /* XXX for pcpu.h */
#include <sys/pcpu.h> /* XXX for PCPU_GET */ #include <sys/pcpu.h> /* XXX for PCPU_GET */
#include <asm/unaligned.h>
#define smp_processor_id() PCPU_GET(cpuid) #define smp_processor_id() PCPU_GET(cpuid)
static void static void
mpi3mr_enqueue_request(struct mpi3mr_softc *sc, struct mpi3mr_cmd *cm); mpi3mr_enqueue_request(struct mpi3mr_softc *sc, struct mpi3mr_cmd *cm);
static void static void
mpi3mr_map_request(struct mpi3mr_softc *sc, struct mpi3mr_cmd *cm); mpi3mr_map_request(struct mpi3mr_softc *sc, struct mpi3mr_cmd *cm);
void void
mpi3mr_release_simq_reinit(struct mpi3mr_cam_softc *cam_sc); mpi3mr_release_simq_reinit(struct mpi3mr_cam_softc *cam_sc);
static void static void
mpi3mr_freeup_events(struct mpi3mr_softc *sc); mpi3mr_freeup_events(struct mpi3mr_softc *sc);
extern int extern int
mpi3mr_register_events(struct mpi3mr_softc *sc); mpi3mr_register_events(struct mpi3mr_softc *sc);
extern void mpi3mr_add_sg_single(void *paddr, U8 flags, U32 length, extern void mpi3mr_add_sg_single(void *paddr, U8 flags, U32 length,
bus_addr_t dma_addr); bus_addr_t dma_addr);
static U32 event_count; static U32 event_count;
static
inline void mpi3mr_divert_ws(Mpi3SCSIIORequest_t *req,
struct ccb_scsiio *csio,
U16 ws_len)
{
U8 unmap = 0, ndob = 0;
U32 num_blocks = 0;
U8 opcode = scsiio_cdb_ptr(csio)[0];
U16 service_action = ((scsiio_cdb_ptr(csio)[8] << 8) | scsiio_cdb_ptr(csio)[9]);
if (opcode == WRITE_SAME_16 ||
(opcode == VARIABLE_LEN_CDB &&
service_action == WRITE_SAME_32)) {
int unmap_ndob_index = (opcode == WRITE_SAME_16) ? 1 : 10;
unmap = scsiio_cdb_ptr(csio)[unmap_ndob_index] & 0x08;
ndob = scsiio_cdb_ptr(csio)[unmap_ndob_index] & 0x01;
num_blocks = get_unaligned_be32(scsiio_cdb_ptr(csio) +
((opcode == WRITE_SAME_16) ? 10 : 28));
/* Check conditions for diversion to firmware */
if (unmap && ndob && num_blocks > ws_len) {
req->MsgFlags |= MPI3_SCSIIO_MSGFLAGS_DIVERT_TO_FIRMWARE;
req->Flags = htole32(le32toh(req->Flags) |
MPI3_SCSIIO_FLAGS_DIVERT_REASON_WRITE_SAME_TOO_LARGE);
}
}
}
static void mpi3mr_prepare_sgls(void *arg, static void mpi3mr_prepare_sgls(void *arg,
bus_dma_segment_t *segs, int nsegs, int error) bus_dma_segment_t *segs, int nsegs, int error)
{ {
struct mpi3mr_softc *sc; struct mpi3mr_softc *sc;
struct mpi3mr_cmd *cm; struct mpi3mr_cmd *cm;
u_int i; u_int i;
bus_addr_t chain_dma; bus_addr_t chain_dma;
void *chain; void *chain;
▲ Show 20 Lines • Show All 961 Lines • ▼ Show 20 Lines case MSG_ACA_TASK:
mpi_control |= MPI3_SCSIIO_FLAGS_TASKATTRIBUTE_ACAQ; mpi_control |= MPI3_SCSIIO_FLAGS_TASKATTRIBUTE_ACAQ;
break; break;
case CAM_TAG_ACTION_NONE: case CAM_TAG_ACTION_NONE:
case MSG_SIMPLE_Q_TAG: case MSG_SIMPLE_Q_TAG:
default: default:
mpi_control |= MPI3_SCSIIO_FLAGS_TASKATTRIBUTE_SIMPLEQ; mpi_control |= MPI3_SCSIIO_FLAGS_TASKATTRIBUTE_SIMPLEQ;
break; break;
} }
if (targ->ws_len)
mpi3mr_divert_ws(req, csio, targ->ws_len);
req->Flags = htole32(mpi_control); req->Flags = htole32(mpi_control);
if (csio->ccb_h.flags & CAM_CDB_POINTER) if (csio->ccb_h.flags & CAM_CDB_POINTER)
bcopy(csio->cdb_io.cdb_ptr, &req->CDB.CDB32[0], csio->cdb_len); bcopy(csio->cdb_io.cdb_ptr, &req->CDB.CDB32[0], csio->cdb_len);
else { else {
KASSERT(csio->cdb_len <= IOCDBLEN, KASSERT(csio->cdb_len <= IOCDBLEN,
("cdb_len %d is greater than IOCDBLEN but CAM_CDB_POINTER " ("cdb_len %d is greater than IOCDBLEN but CAM_CDB_POINTER "
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