Author: mav
Date: Fri Mar 10 14:44:59 2017
New Revision: 315004
URL: https://svnweb.freebsd.org/changeset/base/315004
Log:
Add PIM_EXTLUNS support to mpt(4).
Target mode is still limited to 256 LUNs due to the way driver is written,
but initiator can now use full 8 byte LUN space.
MFC after: 2 weeks
Modified:
head/sys/dev/mpt/mpt_cam.c
head/sys/dev/mpt/mpt_debug.c
Modified: head/sys/dev/mpt/mpt_cam.c
==============================================================================
--- head/sys/dev/mpt/mpt_cam.c Fri Mar 10 14:25:38 2017 (r315003)
+++ head/sys/dev/mpt/mpt_cam.c Fri Mar 10 14:44:59 2017 (r315004)
@@ -133,7 +133,7 @@ static void mpt_recovery_thread(void *ar
static void mpt_recover_commands(struct mpt_softc *mpt);
static int mpt_scsi_send_tmf(struct mpt_softc *, u_int, u_int, u_int,
- u_int, u_int, u_int, int);
+ target_id_t, lun_id_t, u_int, int);
static void mpt_fc_post_els(struct mpt_softc *mpt, request_t *, int);
static void mpt_post_target_command(struct mpt_softc *, request_t *, int);
@@ -2133,13 +2133,7 @@ mpt_start(struct cam_sim *sim, union ccb
/* Which physical device to do the I/O on */
mpt_req->TargetID = tgt;
- /* We assume a single level LUN type */
- if (ccb->ccb_h.target_lun >= MPT_MAX_LUNS) {
- mpt_req->LUN[0] = 0x40 | ((ccb->ccb_h.target_lun >> 8) & 0x3f);
- mpt_req->LUN[1] = ccb->ccb_h.target_lun & 0xff;
- } else {
- mpt_req->LUN[1] = ccb->ccb_h.target_lun;
- }
+ be64enc(mpt_req->LUN, CAM_EXTLUN_BYTE_SWIZZLE(ccb->ccb_h.target_lun));
/* Set the direction of the transfer */
if ((ccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN) {
@@ -3585,7 +3579,8 @@ mpt_action(struct cam_sim *sim, union cc
*/
cpi->protocol = PROTO_SCSI;
if (mpt->is_fc) {
- cpi->hba_misc = PIM_NOBUSRESET | PIM_UNMAPPED;
+ cpi->hba_misc = PIM_NOBUSRESET | PIM_UNMAPPED |
+ PIM_EXTLUNS;
cpi->base_transfer_speed = 100000;
cpi->hba_inquiry = PI_TAG_ABLE;
cpi->transport = XPORT_FC;
@@ -3597,14 +3592,16 @@ mpt_action(struct cam_sim *sim, union cc
cpi->xport_specific.fc.bitrate =
100000 * mpt->mpt_fcport_speed;
} else if (mpt->is_sas) {
- cpi->hba_misc = PIM_NOBUSRESET | PIM_UNMAPPED;
+ cpi->hba_misc = PIM_NOBUSRESET | PIM_UNMAPPED |
+ PIM_EXTLUNS;
cpi->base_transfer_speed = 300000;
cpi->hba_inquiry = PI_TAG_ABLE;
cpi->transport = XPORT_SAS;
cpi->transport_version = 0;
cpi->protocol_version = SCSI_REV_SPC2;
} else {
- cpi->hba_misc = PIM_SEQSCAN | PIM_UNMAPPED;
+ cpi->hba_misc = PIM_SEQSCAN | PIM_UNMAPPED |
+ PIM_EXTLUNS;
cpi->base_transfer_speed = 3300;
cpi->hba_inquiry = PI_SDTR_ABLE|PI_TAG_ABLE|PI_WIDE_16;
cpi->transport = XPORT_SPI;
@@ -3913,7 +3910,8 @@ mpt_recovery_thread(void *arg)
static int
mpt_scsi_send_tmf(struct mpt_softc *mpt, u_int type, u_int flags,
- u_int channel, u_int target, u_int lun, u_int abort_ctx, int sleep_ok)
+ u_int channel, target_id_t target, lun_id_t lun, u_int abort_ctx,
+ int sleep_ok)
{
MSG_SCSI_TASK_MGMT *tmf_req;
int error;
@@ -3941,12 +3939,7 @@ mpt_scsi_send_tmf(struct mpt_softc *mpt,
tmf_req->MsgFlags = flags;
tmf_req->MsgContext =
htole32(mpt->tmf_req->index | scsi_tmf_handler_id);
- if (lun > MPT_MAX_LUNS) {
- tmf_req->LUN[0] = 0x40 | ((lun >> 8) & 0x3f);
- tmf_req->LUN[1] = lun & 0xff;
- } else {
- tmf_req->LUN[1] = lun;
- }
+ be64enc(tmf_req->LUN, CAM_EXTLUN_BYTE_SWIZZLE(lun));
tmf_req->TaskMsgContext = abort_ctx;
mpt_lprt(mpt, MPT_PRT_DEBUG,
@@ -4413,13 +4406,7 @@ mpt_target_start_io(struct mpt_softc *mp
ta->Function = MPI_FUNCTION_TARGET_ASSIST;
ta->MsgContext = htole32(req->index | mpt->scsi_tgt_handler_id);
ta->ReplyWord = htole32(tgt->reply_desc);
- if (csio->ccb_h.target_lun > MPT_MAX_LUNS) {
- ta->LUN[0] =
- 0x40 | ((csio->ccb_h.target_lun >> 8) & 0x3f);
- ta->LUN[1] = csio->ccb_h.target_lun & 0xff;
- } else {
- ta->LUN[1] = csio->ccb_h.target_lun;
- }
+ be64enc(ta->LUN,
CAM_EXTLUN_BYTE_SWIZZLE(csio->ccb_h.target_lun));
ta->RelativeOffset = tgt->bytes_xfered;
ta->DataLength = ccb->csio.dxfer_len;
@@ -4485,7 +4472,7 @@ mpt_target_start_io(struct mpt_softc *mp
static void
mpt_scsi_tgt_local(struct mpt_softc *mpt, request_t *cmd_req,
- uint32_t lun, int send, uint8_t *data, size_t length)
+ lun_id_t lun, int send, uint8_t *data, size_t length)
{
mpt_tgt_state_t *tgt;
PTR_MSG_TARGET_ASSIST_REQUEST ta;
@@ -4525,12 +4512,7 @@ mpt_scsi_tgt_local(struct mpt_softc *mpt
ta->Function = MPI_FUNCTION_TARGET_ASSIST;
ta->MsgContext = htole32(req->index | mpt->scsi_tgt_handler_id);
ta->ReplyWord = htole32(tgt->reply_desc);
- if (lun > MPT_MAX_LUNS) {
- ta->LUN[0] = 0x40 | ((lun >> 8) & 0x3f);
- ta->LUN[1] = lun & 0xff;
- } else {
- ta->LUN[1] = lun;
- }
+ be64enc(ta->LUN, CAM_EXTLUN_BYTE_SWIZZLE(lun));
ta->RelativeOffset = 0;
ta->DataLength = length;
@@ -4958,21 +4940,7 @@ mpt_scsi_tgt_atio(struct mpt_softc *mpt,
itag = sp->Tag;
}
- /*
- * Generate a simple lun
- */
- switch (lunptr[0] & 0xc0) {
- case 0x40:
- lun = ((lunptr[0] & 0x3f) << 8) | lunptr[1];
- break;
- case 0:
- lun = lunptr[1];
- break;
- default:
- mpt_lprt(mpt, MPT_PRT_ERROR, "cannot handle this type lun\n");
- lun = 0xffff;
- break;
- }
+ lun = CAM_EXTLUN_BYTE_SWIZZLE(be64dec(lunptr));
/*
* Deal with non-enabled or bad luns here.
Modified: head/sys/dev/mpt/mpt_debug.c
==============================================================================
--- head/sys/dev/mpt/mpt_debug.c Fri Mar 10 14:25:38 2017
(r315003)
+++ head/sys/dev/mpt/mpt_debug.c Fri Mar 10 14:44:59 2017
(r315004)
@@ -536,7 +536,7 @@ mpt_print_scsi_io_request(MSG_SCSI_IO_RE
printf("\tBus: %d\n", msg->Bus);
printf("\tTargetID %d\n", msg->TargetID);
printf("\tSenseBufferLength %d\n", msg->SenseBufferLength);
- printf("\tLUN: 0x%0x\n", msg->LUN[1]);
+ printf("\tLUN: 0x%jx\n", (uintmax_t)be64dec(msg->LUN));
printf("\tControl 0x%08x ", msg->Control);
#define MPI_PRINT_FIELD(x) \
case MPI_SCSIIO_CONTROL_ ## x : \
@@ -585,7 +585,7 @@ mpt_print_scsi_tmf_request(MSG_SCSI_TASK
{
mpt_print_request_hdr((MSG_REQUEST_HEADER *)msg);
- printf("\tLun 0x%02x\n", msg->LUN[1]);
+ printf("\tLun 0x%jx\n", (uintmax_t)be64dec(msg->LUN));
printf("\tTaskType %s\n", mpt_scsi_tm_type(msg->TaskType));
printf("\tTaskMsgContext 0x%08x\n", msg->TaskMsgContext);
}
@@ -600,7 +600,7 @@ mpt_print_scsi_target_assist_request(PTR
printf("\tTargetAssist 0x%02x\n", msg->TargetAssistFlags);
printf("\tQueueTag 0x%04x\n", msg->QueueTag);
printf("\tReplyWord 0x%08x\n", msg->ReplyWord);
- printf("\tLun 0x%02x\n", msg->LUN[1]);
+ printf("\tLun 0x%jx\n", (uintmax_t)be64dec(msg->LUN));
printf("\tRelativeOff 0x%08x\n", msg->RelativeOffset);
printf("\tDataLength 0x%08x\n", msg->DataLength);
mpt_dump_sgl(msg->SGL, 0);
@@ -616,7 +616,7 @@ mpt_print_scsi_target_status_send_reques
printf("\tStatusFlags 0x%02x\n", msg->StatusFlags);
printf("\tQueueTag 0x%04x\n", msg->QueueTag);
printf("\tReplyWord 0x%08x\n", msg->ReplyWord);
- printf("\tLun 0x%02x\n", msg->LUN[1]);
+ printf("\tLun 0x%jx\n", (uintmax_t)be64dec(msg->LUN));
x.u.Simple = msg->StatusDataSGE;
mpt_dump_sgl(&x, 0);
}
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