Partially fix target task management requests handling.
- XPT_NOTIFY_ACKNOWLEDGE was not handled, causing stuck requests. - XPT_ABORT was not even trying to abort active ATIOs/INOTs. - Initiator's tag was not stored and not used where needed. - List of TM request types needed update. - mpt_scsi_tgt_status() missed some useful debugging. After this change global TM requests, such as reset, should work properly. ABORT TASK (ABTS) requests are still not passes to CTL, that is not good and should be fixed. MFC after: 2 weeks
This commit is contained in:
parent
b8188f52eb
commit
67445003fb
Notes:
svn2git
2020-12-20 02:59:44 +00:00
svn path=/head/; revision=315067
@ -338,7 +338,8 @@ typedef struct {
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uint32_t
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is_local : 1,
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nxfers : 31;
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uint32_t tag_id;
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uint32_t tag_id; /* Our local tag. */
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uint16_t itag; /* Initiator tag. */
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enum {
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TGT_STATE_NIL,
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TGT_STATE_LOADING,
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@ -1053,11 +1054,13 @@ mpt_req_not_spcl(struct mpt_softc *mpt, request_t *req, const char *s, int line)
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* Task Management Types, purely for internal consumption
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*/
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typedef enum {
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MPT_ABORT_TASK_SET=1234,
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MPT_QUERY_TASK_SET=1234,
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MPT_ABORT_TASK_SET,
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MPT_CLEAR_TASK_SET,
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MPT_QUERY_ASYNC_EVENT,
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MPT_LOGICAL_UNIT_RESET,
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MPT_TARGET_RESET,
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MPT_CLEAR_ACA,
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MPT_TERMINATE_TASK,
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MPT_NIL_TMT_VALUE=5678
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} mpt_task_mgmt_t;
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@ -2937,7 +2937,10 @@ mpt_fc_els_reply_handler(struct mpt_softc *mpt, request_t *req,
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} else if (rctl == ABTS && type == 0) {
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uint16_t rx_id = le16toh(rp->Rxid);
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uint16_t ox_id = le16toh(rp->Oxid);
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mpt_tgt_state_t *tgt;
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request_t *tgt_req = NULL;
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union ccb *ccb;
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uint32_t ct_id;
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mpt_prt(mpt,
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"ELS: ABTS OX_ID 0x%x RX_ID 0x%x from 0x%08x%08x\n",
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@ -2950,47 +2953,37 @@ mpt_fc_els_reply_handler(struct mpt_softc *mpt, request_t *req,
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} else {
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tgt_req = mpt->tgt_cmd_ptrs[rx_id];
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}
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if (tgt_req) {
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mpt_tgt_state_t *tgt = MPT_TGT_STATE(mpt, tgt_req);
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union ccb *ccb;
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uint32_t ct_id;
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/*
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* Check to make sure we have the correct command
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* The reply descriptor in the target state should
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* should contain an IoIndex that should match the
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* RX_ID.
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*
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* It'd be nice to have OX_ID to crosscheck with
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* as well.
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*/
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ct_id = GET_IO_INDEX(tgt->reply_desc);
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if (ct_id != rx_id) {
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mpt_lprt(mpt, MPT_PRT_ERROR, "ABORT Mismatch: "
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"RX_ID received=0x%x; RX_ID in cmd=0x%x\n",
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rx_id, ct_id);
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goto skip;
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}
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ccb = tgt->ccb;
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if (ccb) {
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mpt_prt(mpt,
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"CCB (%p): lun %jx flags %x status %x\n",
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ccb, (uintmax_t)ccb->ccb_h.target_lun,
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ccb->ccb_h.flags, ccb->ccb_h.status);
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}
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mpt_prt(mpt, "target state 0x%x resid %u xfrd %u rpwrd "
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"%x nxfers %x\n", tgt->state,
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tgt->resid, tgt->bytes_xfered, tgt->reply_desc,
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tgt->nxfers);
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skip:
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if (mpt_abort_target_cmd(mpt, tgt_req)) {
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mpt_prt(mpt, "unable to start TargetAbort\n");
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}
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} else {
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if (tgt_req == NULL) {
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mpt_prt(mpt, "no back pointer for RX_ID 0x%x\n", rx_id);
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goto skip;
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}
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tgt = MPT_TGT_STATE(mpt, tgt_req);
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/* Check to make sure we have the correct command. */
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ct_id = GET_IO_INDEX(tgt->reply_desc);
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if (ct_id != rx_id) {
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mpt_lprt(mpt, MPT_PRT_ERROR, "ABORT Mismatch: "
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"RX_ID received=0x%x, in cmd=0x%x\n", rx_id, ct_id);
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goto skip;
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}
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if (tgt->itag != ox_id) {
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mpt_lprt(mpt, MPT_PRT_ERROR, "ABORT Mismatch: "
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"OX_ID received=0x%x, in cmd=0x%x\n", ox_id, tgt->itag);
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goto skip;
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}
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if ((ccb = tgt->ccb) != NULL) {
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mpt_prt(mpt, "CCB (%p): lun %jx flags %x status %x\n",
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ccb, (uintmax_t)ccb->ccb_h.target_lun,
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ccb->ccb_h.flags, ccb->ccb_h.status);
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}
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mpt_prt(mpt, "target state 0x%x resid %u xfrd %u rpwrd "
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"%x nxfers %x\n", tgt->state, tgt->resid,
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tgt->bytes_xfered, tgt->reply_desc, tgt->nxfers);
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if (mpt_abort_target_cmd(mpt, tgt_req))
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mpt_prt(mpt, "unable to start TargetAbort\n");
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skip:
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memset(elsbuf, 0, 5 * (sizeof (U32)));
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elsbuf[0] = htobe32(0);
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elsbuf[1] = htobe32((ox_id << 16) | rx_id);
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@ -3652,7 +3645,6 @@ mpt_action(struct cam_sim *sim, union ccb *ccb)
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}
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break;
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}
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case XPT_NOTIFY_ACKNOWLEDGE: /* recycle notify ack */
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case XPT_IMMEDIATE_NOTIFY: /* Add Immediate Notify Resource */
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case XPT_ACCEPT_TARGET_IO: /* Add Accept Target IO Resource */
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{
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@ -3678,17 +3670,24 @@ mpt_action(struct cam_sim *sim, union ccb *ccb)
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"Put FREE ATIO %p lun %jx\n", ccb, (uintmax_t)lun);
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STAILQ_INSERT_TAIL(&trtp->atios, &ccb->ccb_h,
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sim_links.stqe);
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} else if (ccb->ccb_h.func_code == XPT_IMMEDIATE_NOTIFY) {
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} else {
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mpt_lprt(mpt, MPT_PRT_DEBUG1,
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"Put FREE INOT lun %jx\n", (uintmax_t)lun);
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STAILQ_INSERT_TAIL(&trtp->inots, &ccb->ccb_h,
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sim_links.stqe);
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} else {
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mpt_lprt(mpt, MPT_PRT_ALWAYS, "Got Notify ACK\n");
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}
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mpt_set_ccb_status(ccb, CAM_REQ_INPROG);
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return;
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}
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case XPT_NOTIFY_ACKNOWLEDGE: /* Task management request done. */
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{
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request_t *req = MPT_TAG_2_REQ(mpt, ccb->cna2.tag_id);
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mpt_lprt(mpt, MPT_PRT_DEBUG, "Got Notify ACK\n");
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mpt_scsi_tgt_status(mpt, NULL, req, 0, NULL, 0);
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mpt_set_ccb_status(ccb, CAM_REQ_CMP);
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break;
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}
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case XPT_CONT_TARGET_IO:
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mpt_target_start_io(mpt, ccb);
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return;
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@ -4556,40 +4555,44 @@ mpt_abort_target_ccb(struct mpt_softc *mpt, union ccb *ccb)
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{
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struct mpt_hdr_stailq *lp;
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struct ccb_hdr *srch;
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int found = 0;
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union ccb *accb = ccb->cab.abort_ccb;
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tgt_resource_t *trtp;
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mpt_tgt_state_t *tgt;
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request_t *req;
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uint32_t tag;
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mpt_lprt(mpt, MPT_PRT_DEBUG, "aborting ccb %p\n", accb);
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if (ccb->ccb_h.target_lun == CAM_LUN_WILDCARD) {
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if (ccb->ccb_h.target_lun == CAM_LUN_WILDCARD)
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trtp = &mpt->trt_wildcard;
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} else {
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else
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trtp = &mpt->trt[ccb->ccb_h.target_lun];
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}
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if (accb->ccb_h.func_code == XPT_ACCEPT_TARGET_IO) {
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lp = &trtp->atios;
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} else if (accb->ccb_h.func_code == XPT_IMMEDIATE_NOTIFY) {
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lp = &trtp->inots;
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tag = accb->atio.tag_id;
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} else {
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return (CAM_REQ_INVALID);
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lp = &trtp->inots;
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tag = accb->cin1.tag_id;
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}
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/* Search the CCB among queued. */
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STAILQ_FOREACH(srch, lp, sim_links.stqe) {
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if (srch == &accb->ccb_h) {
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found = 1;
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STAILQ_REMOVE(lp, srch, ccb_hdr, sim_links.stqe);
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break;
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}
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}
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if (found) {
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if (srch != &accb->ccb_h)
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continue;
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STAILQ_REMOVE(lp, srch, ccb_hdr, sim_links.stqe);
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accb->ccb_h.status = CAM_REQ_ABORTED;
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xpt_done(accb);
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return (CAM_REQ_CMP);
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}
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mpt_prt(mpt, "mpt_abort_tgt_ccb: CCB %p not found\n", ccb);
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return (CAM_PATH_INVALID);
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/* Search the CCB among running. */
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req = MPT_TAG_2_REQ(mpt, tag);
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tgt = MPT_TGT_STATE(mpt, req);
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if (tgt->tag_id == tag) {
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mpt_abort_target_cmd(mpt, req);
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return (CAM_REQ_CMP);
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}
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return (CAM_UA_ABORT);
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}
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/*
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@ -4685,6 +4688,7 @@ mpt_scsi_tgt_status(struct mpt_softc *mpt, union ccb *ccb, request_t *cmd_req,
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paddr += MPT_RQSL(mpt);
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memset(tp, 0, sizeof (*tp));
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tp->StatusCode = status;
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tp->Function = MPI_FUNCTION_TARGET_STATUS_SEND;
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if (mpt->is_fc) {
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PTR_MPI_TARGET_FCP_CMD_BUFFER fc =
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@ -4737,7 +4741,6 @@ mpt_scsi_tgt_status(struct mpt_softc *mpt, union ccb *ccb, request_t *cmd_req,
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} else {
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PTR_MPI_TARGET_SCSI_SPI_CMD_BUFFER sp =
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(PTR_MPI_TARGET_SCSI_SPI_CMD_BUFFER) cmd_vbuf;
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tp->StatusCode = status;
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tp->QueueTag = htole16(sp->Tag);
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memcpy(tp->LUN, sp->LogicalUnitNumber, sizeof (tp->LUN));
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}
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@ -4752,12 +4755,11 @@ mpt_scsi_tgt_status(struct mpt_softc *mpt, union ccb *ccb, request_t *cmd_req,
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tp->MsgFlags |= TARGET_STATUS_SEND_FLAGS_AUTO_GOOD_STATUS;
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} else {
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tp->StatusDataSGE.u.Address32 = htole32((uint32_t) paddr);
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fl =
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MPI_SGE_FLAGS_HOST_TO_IOC |
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MPI_SGE_FLAGS_SIMPLE_ELEMENT |
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MPI_SGE_FLAGS_LAST_ELEMENT |
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MPI_SGE_FLAGS_END_OF_LIST |
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MPI_SGE_FLAGS_END_OF_BUFFER;
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fl = MPI_SGE_FLAGS_HOST_TO_IOC |
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MPI_SGE_FLAGS_SIMPLE_ELEMENT |
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MPI_SGE_FLAGS_LAST_ELEMENT |
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MPI_SGE_FLAGS_END_OF_LIST |
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MPI_SGE_FLAGS_END_OF_BUFFER;
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fl <<= MPI_SGE_FLAGS_SHIFT;
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fl |= resplen;
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tp->StatusDataSGE.FlagsLength = htole32(fl);
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@ -4765,8 +4767,10 @@ mpt_scsi_tgt_status(struct mpt_softc *mpt, union ccb *ccb, request_t *cmd_req,
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mpt_lprt(mpt, MPT_PRT_DEBUG,
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"STATUS_CCB %p (with%s sense) tag %x req %p:%u resid %u\n",
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ccb, sense_len > 0 ? "" : "out", ccb ? ccb->csio.tag_id : -1,
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ccb, sense_len > 0 ? "" : "out", tgt->tag_id,
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req, req->serno, tgt->resid);
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if (mpt->verbose > MPT_PRT_DEBUG)
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mpt_print_request(req->req_vbuf);
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if (ccb) {
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ccb->ccb_h.status = CAM_SIM_QUEUED | CAM_REQ_INPROG;
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mpt_req_timeout(req, SBT_1S * 60, mpt_timeout, ccb);
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@ -4794,36 +4798,40 @@ mpt_scsi_tgt_tsk_mgmt(struct mpt_softc *mpt, request_t *req, mpt_task_mgmt_t fc,
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(uintmax_t)inot->ccb_h.target_lun);
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inot->initiator_id = init_id; /* XXX */
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inot->tag_id = tgt->tag_id;
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inot->seq_id = 0;
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/*
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* This is a somewhat grotesque attempt to map from task management
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* to old style SCSI messages. God help us all.
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*/
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switch (fc) {
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case MPT_QUERY_TASK_SET:
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inot->arg = MSG_QUERY_TASK_SET;
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break;
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case MPT_ABORT_TASK_SET:
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inot->arg = MSG_ABORT_TAG;
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inot->arg = MSG_ABORT_TASK_SET;
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break;
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case MPT_CLEAR_TASK_SET:
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inot->arg = MSG_CLEAR_TASK_SET;
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break;
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case MPT_QUERY_ASYNC_EVENT:
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inot->arg = MSG_QUERY_ASYNC_EVENT;
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break;
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case MPT_LOGICAL_UNIT_RESET:
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inot->arg = MSG_LOGICAL_UNIT_RESET;
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break;
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case MPT_TARGET_RESET:
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inot->arg = MSG_TARGET_RESET;
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break;
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case MPT_CLEAR_ACA:
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inot->arg = MSG_CLEAR_ACA;
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break;
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case MPT_TERMINATE_TASK:
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inot->arg = MSG_ABORT_TAG;
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break;
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default:
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inot->arg = MSG_NOOP;
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break;
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}
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/*
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* XXX KDM we need the sequence/tag number for the target of the
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* task management operation, especially if it is an abort.
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*/
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tgt->ccb = (union ccb *) inot;
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inot->ccb_h.status = CAM_MESSAGE_RECV|CAM_DEV_QFRZN;
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inot->ccb_h.status = CAM_MESSAGE_RECV;
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xpt_done((union ccb *)inot);
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}
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@ -4844,7 +4852,6 @@ mpt_scsi_tgt_atio(struct mpt_softc *mpt, request_t *req, uint32_t reply_desc)
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tgt_resource_t *trtp = NULL;
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U8 *lunptr;
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U8 *vbuf;
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U16 itag;
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U16 ioindex;
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mpt_task_mgmt_t fct = MPT_NIL_TMT_VALUE;
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uint8_t *cdbp;
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@ -4854,6 +4861,12 @@ mpt_scsi_tgt_atio(struct mpt_softc *mpt, request_t *req, uint32_t reply_desc)
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*/
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vbuf = req->req_vbuf;
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vbuf += MPT_RQSL(mpt);
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if (mpt->verbose >= MPT_PRT_DEBUG) {
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mpt_dump_data(mpt, "mpt_scsi_tgt_atio response", vbuf,
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max(sizeof (MPI_TARGET_FCP_CMD_BUFFER),
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max(sizeof (MPI_TARGET_SSP_CMD_BUFFER),
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sizeof (MPI_TARGET_SCSI_SPI_CMD_BUFFER))));
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}
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/*
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* Get our state pointer set up.
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@ -4867,12 +4880,16 @@ mpt_scsi_tgt_atio(struct mpt_softc *mpt, request_t *req, uint32_t reply_desc)
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tgt->state = TGT_STATE_IN_CAM;
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tgt->reply_desc = reply_desc;
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ioindex = GET_IO_INDEX(reply_desc);
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if (mpt->verbose >= MPT_PRT_DEBUG) {
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mpt_dump_data(mpt, "mpt_scsi_tgt_atio response", vbuf,
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max(sizeof (MPI_TARGET_FCP_CMD_BUFFER),
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max(sizeof (MPI_TARGET_SSP_CMD_BUFFER),
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sizeof (MPI_TARGET_SCSI_SPI_CMD_BUFFER))));
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}
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/*
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* The tag we construct here allows us to find the
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* original request that the command came in with.
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*
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* This way we don't have to depend on anything but the
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* tag to find things when CCBs show back up from CAM.
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*/
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tgt->tag_id = MPT_MAKE_TAGID(mpt, req, ioindex);
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if (mpt->is_fc) {
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PTR_MPI_TARGET_FCP_CMD_BUFFER fc;
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fc = (PTR_MPI_TARGET_FCP_CMD_BUFFER) vbuf;
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@ -4881,21 +4898,27 @@ mpt_scsi_tgt_atio(struct mpt_softc *mpt, request_t *req, uint32_t reply_desc)
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* Task Management Request
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*/
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switch (fc->FcpCntl[2]) {
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case 0x1:
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fct = MPT_QUERY_TASK_SET;
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break;
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case 0x2:
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fct = MPT_ABORT_TASK_SET;
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break;
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case 0x4:
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fct = MPT_CLEAR_TASK_SET;
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break;
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case 0x8:
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fct = MPT_QUERY_ASYNC_EVENT;
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break;
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case 0x10:
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fct = MPT_LOGICAL_UNIT_RESET;
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break;
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case 0x20:
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fct = MPT_TARGET_RESET;
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break;
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case 0x40:
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fct = MPT_CLEAR_ACA;
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break;
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case 0x80:
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fct = MPT_TERMINATE_TASK;
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break;
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default:
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mpt_prt(mpt, "CORRUPTED TASK MGMT BITS: 0x%x\n",
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fc->FcpCntl[2]);
|
||||
@ -4925,19 +4948,19 @@ mpt_scsi_tgt_atio(struct mpt_softc *mpt, request_t *req, uint32_t reply_desc)
|
||||
tgt->resid = be32toh(fc->FcpDl);
|
||||
cdbp = fc->FcpCdb;
|
||||
lunptr = fc->FcpLun;
|
||||
itag = be16toh(fc->OptionalOxid);
|
||||
tgt->itag = fc->OptionalOxid;
|
||||
} else if (mpt->is_sas) {
|
||||
PTR_MPI_TARGET_SSP_CMD_BUFFER ssp;
|
||||
ssp = (PTR_MPI_TARGET_SSP_CMD_BUFFER) vbuf;
|
||||
cdbp = ssp->CDB;
|
||||
lunptr = ssp->LogicalUnitNumber;
|
||||
itag = ssp->InitiatorTag;
|
||||
tgt->itag = ssp->InitiatorTag;
|
||||
} else {
|
||||
PTR_MPI_TARGET_SCSI_SPI_CMD_BUFFER sp;
|
||||
sp = (PTR_MPI_TARGET_SCSI_SPI_CMD_BUFFER) vbuf;
|
||||
cdbp = sp->CDB;
|
||||
lunptr = sp->LogicalUnitNumber;
|
||||
itag = sp->Tag;
|
||||
tgt->itag = sp->Tag;
|
||||
}
|
||||
|
||||
lun = CAM_EXTLUN_BYTE_SWIZZLE(be64dec(lunptr));
|
||||
@ -4967,7 +4990,6 @@ mpt_scsi_tgt_atio(struct mpt_softc *mpt, request_t *req, uint32_t reply_desc)
|
||||
sense[0] = 0xf0;
|
||||
sense[2] = 0x5;
|
||||
sense[7] = 0x8;
|
||||
tgt->tag_id = MPT_MAKE_TAGID(mpt, req, ioindex);
|
||||
|
||||
switch (cdbp[0]) {
|
||||
case INQUIRY:
|
||||
@ -5051,19 +5073,10 @@ mpt_scsi_tgt_atio(struct mpt_softc *mpt, request_t *req, uint32_t reply_desc)
|
||||
atiop->ccb_h.status = CAM_CDB_RECVD;
|
||||
atiop->ccb_h.target_lun = lun;
|
||||
atiop->sense_len = 0;
|
||||
atiop->tag_id = tgt->tag_id;
|
||||
atiop->init_id = GET_INITIATOR_INDEX(reply_desc);
|
||||
atiop->cdb_len = 16;
|
||||
memcpy(atiop->cdb_io.cdb_bytes, cdbp, atiop->cdb_len);
|
||||
|
||||
/*
|
||||
* The tag we construct here allows us to find the
|
||||
* original request that the command came in with.
|
||||
*
|
||||
* This way we don't have to depend on anything but the
|
||||
* tag to find things when CCBs show back up from CAM.
|
||||
*/
|
||||
atiop->tag_id = MPT_MAKE_TAGID(mpt, req, ioindex);
|
||||
tgt->tag_id = atiop->tag_id;
|
||||
if (tag_action) {
|
||||
atiop->tag_action = tag_action;
|
||||
atiop->ccb_h.flags |= CAM_TAG_ACTION_VALID;
|
||||
@ -5077,7 +5090,7 @@ mpt_scsi_tgt_atio(struct mpt_softc *mpt, request_t *req, uint32_t reply_desc)
|
||||
(i == (atiop->cdb_len - 1))? '>' : ' ');
|
||||
}
|
||||
mpt_prtc(mpt, " itag %x tag %x rdesc %x dl=%u\n",
|
||||
itag, atiop->tag_id, tgt->reply_desc, tgt->resid);
|
||||
tgt->itag, tgt->tag_id, tgt->reply_desc, tgt->resid);
|
||||
}
|
||||
|
||||
xpt_done((union ccb *)atiop);
|
||||
@ -5089,9 +5102,9 @@ mpt_tgt_dump_tgt_state(struct mpt_softc *mpt, request_t *req)
|
||||
mpt_tgt_state_t *tgt = MPT_TGT_STATE(mpt, req);
|
||||
|
||||
mpt_prt(mpt, "req %p:%u tgt:rdesc 0x%x resid %u xfrd %u ccb %p treq %p "
|
||||
"nx %d tag 0x%08x state=%d\n", req, req->serno, tgt->reply_desc,
|
||||
tgt->resid, tgt->bytes_xfered, tgt->ccb, tgt->req, tgt->nxfers,
|
||||
tgt->tag_id, tgt->state);
|
||||
"nx %d tag 0x%08x itag 0x%04x state=%d\n", req, req->serno,
|
||||
tgt->reply_desc, tgt->resid, tgt->bytes_xfered, tgt->ccb,
|
||||
tgt->req, tgt->nxfers, tgt->tag_id, tgt->itag, tgt->state);
|
||||
}
|
||||
|
||||
static void
|
||||
@ -5242,7 +5255,7 @@ mpt_scsi_tgt_reply_handler(struct mpt_softc *mpt, request_t *req,
|
||||
tgt->ccb = NULL;
|
||||
} else {
|
||||
mpt_lprt(mpt, MPT_PRT_DEBUG,
|
||||
"TARGET_STATUS non-CAM for req %p:%u\n",
|
||||
"TARGET_STATUS non-CAM for req %p:%u\n",
|
||||
tgt->req, tgt->req->serno);
|
||||
}
|
||||
TAILQ_REMOVE(&mpt->request_pending_list,
|
||||
|
Loading…
Reference in New Issue
Block a user