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path: root/drivers/scsi/lpfc/lpfc_sli.c
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Diffstat (limited to 'drivers/scsi/lpfc/lpfc_sli.c')
-rw-r--r--drivers/scsi/lpfc/lpfc_sli.c151
1 files changed, 103 insertions, 48 deletions
diff --git a/drivers/scsi/lpfc/lpfc_sli.c b/drivers/scsi/lpfc/lpfc_sli.c
index 624eab37039..bf32da9cfe8 100644
--- a/drivers/scsi/lpfc/lpfc_sli.c
+++ b/drivers/scsi/lpfc/lpfc_sli.c
@@ -8855,12 +8855,6 @@ lpfc_sli_setup(struct lpfc_hba *phba)
pring->prt[3].type = FC_TYPE_CT;
pring->prt[3].lpfc_sli_rcv_unsol_event =
lpfc_ct_unsol_event;
- /* abort unsolicited sequence */
- pring->prt[4].profile = 0; /* Mask 4 */
- pring->prt[4].rctl = FC_RCTL_BA_ABTS;
- pring->prt[4].type = FC_TYPE_BLS;
- pring->prt[4].lpfc_sli_rcv_unsol_event =
- lpfc_sli4_ct_abort_unsol_event;
break;
}
totiocbsize += (pring->sli.sli3.numCiocb *
@@ -14063,6 +14057,40 @@ lpfc_sli4_abort_partial_seq(struct lpfc_vport *vport,
}
/**
+ * lpfc_sli4_abort_ulp_seq - Abort assembled unsol sequence from ulp
+ * @vport: pointer to a vitural port
+ * @dmabuf: pointer to a dmabuf that describes the FC sequence
+ *
+ * This function tries to abort from the assembed sequence from upper level
+ * protocol, described by the information from basic abbort @dmabuf. It
+ * checks to see whether such pending context exists at upper level protocol.
+ * If so, it shall clean up the pending context.
+ *
+ * Return
+ * true -- if there is matching pending context of the sequence cleaned
+ * at ulp;
+ * false -- if there is no matching pending context of the sequence present
+ * at ulp.
+ **/
+static bool
+lpfc_sli4_abort_ulp_seq(struct lpfc_vport *vport, struct hbq_dmabuf *dmabuf)
+{
+ struct lpfc_hba *phba = vport->phba;
+ int handled;
+
+ /* Accepting abort at ulp with SLI4 only */
+ if (phba->sli_rev < LPFC_SLI_REV4)
+ return false;
+
+ /* Register all caring upper level protocols to attend abort */
+ handled = lpfc_ct_handle_unsol_abort(phba, dmabuf);
+ if (handled)
+ return true;
+
+ return false;
+}
+
+/**
* lpfc_sli4_seq_abort_rsp_cmpl - BLS ABORT RSP seq abort iocb complete handler
* @phba: Pointer to HBA context object.
* @cmd_iocbq: pointer to the command iocbq structure.
@@ -14077,8 +14105,14 @@ lpfc_sli4_seq_abort_rsp_cmpl(struct lpfc_hba *phba,
struct lpfc_iocbq *cmd_iocbq,
struct lpfc_iocbq *rsp_iocbq)
{
- if (cmd_iocbq)
+ struct lpfc_nodelist *ndlp;
+
+ if (cmd_iocbq) {
+ ndlp = (struct lpfc_nodelist *)cmd_iocbq->context1;
+ lpfc_nlp_put(ndlp);
+ lpfc_nlp_not_used(ndlp);
lpfc_sli_release_iocbq(phba, cmd_iocbq);
+ }
/* Failure means BLS ABORT RSP did not get delivered to remote node*/
if (rsp_iocbq && rsp_iocbq->iocb.ulpStatus)
@@ -14118,9 +14152,10 @@ lpfc_sli4_xri_inrange(struct lpfc_hba *phba,
* event after aborting the sequence handling.
**/
static void
-lpfc_sli4_seq_abort_rsp(struct lpfc_hba *phba,
- struct fc_frame_header *fc_hdr)
+lpfc_sli4_seq_abort_rsp(struct lpfc_vport *vport,
+ struct fc_frame_header *fc_hdr, bool aborted)
{
+ struct lpfc_hba *phba = vport->phba;
struct lpfc_iocbq *ctiocb = NULL;
struct lpfc_nodelist *ndlp;
uint16_t oxid, rxid, xri, lxri;
@@ -14135,12 +14170,27 @@ lpfc_sli4_seq_abort_rsp(struct lpfc_hba *phba,
oxid = be16_to_cpu(fc_hdr->fh_ox_id);
rxid = be16_to_cpu(fc_hdr->fh_rx_id);
- ndlp = lpfc_findnode_did(phba->pport, sid);
+ ndlp = lpfc_findnode_did(vport, sid);
if (!ndlp) {
- lpfc_printf_log(phba, KERN_WARNING, LOG_ELS,
- "1268 Find ndlp returned NULL for oxid:x%x "
- "SID:x%x\n", oxid, sid);
- return;
+ ndlp = mempool_alloc(phba->nlp_mem_pool, GFP_KERNEL);
+ if (!ndlp) {
+ lpfc_printf_vlog(vport, KERN_WARNING, LOG_ELS,
+ "1268 Failed to allocate ndlp for "
+ "oxid:x%x SID:x%x\n", oxid, sid);
+ return;
+ }
+ lpfc_nlp_init(vport, ndlp, sid);
+ /* Put ndlp onto pport node list */
+ lpfc_enqueue_node(vport, ndlp);
+ } else if (!NLP_CHK_NODE_ACT(ndlp)) {
+ /* re-setup ndlp without removing from node list */
+ ndlp = lpfc_enable_node(vport, ndlp, NLP_STE_UNUSED_NODE);
+ if (!ndlp) {
+ lpfc_printf_vlog(vport, KERN_WARNING, LOG_ELS,
+ "3275 Failed to active ndlp found "
+ "for oxid:x%x SID:x%x\n", oxid, sid);
+ return;
+ }
}
/* Allocate buffer for rsp iocb */
@@ -14164,7 +14214,7 @@ lpfc_sli4_seq_abort_rsp(struct lpfc_hba *phba,
icmd->ulpLe = 1;
icmd->ulpClass = CLASS3;
icmd->ulpContext = phba->sli4_hba.rpi_ids[ndlp->nlp_rpi];
- ctiocb->context1 = ndlp;
+ ctiocb->context1 = lpfc_nlp_get(ndlp);
ctiocb->iocb_cmpl = NULL;
ctiocb->vport = phba->pport;
@@ -14183,14 +14233,24 @@ lpfc_sli4_seq_abort_rsp(struct lpfc_hba *phba,
if (lxri != NO_XRI)
lpfc_set_rrq_active(phba, ndlp, lxri,
(xri == oxid) ? rxid : oxid, 0);
- /* If the oxid maps to the FCP XRI range or if it is out of range,
- * send a BLS_RJT. The driver no longer has that exchange.
- * Override the IOCB for a BA_RJT.
+ /* For BA_ABTS from exchange responder, if the logical xri with
+ * the oxid maps to the FCP XRI range, the port no longer has
+ * that exchange context, send a BLS_RJT. Override the IOCB for
+ * a BA_RJT.
+ */
+ if ((fctl & FC_FC_EX_CTX) &&
+ (lxri > lpfc_sli4_get_els_iocb_cnt(phba))) {
+ icmd->un.xseq64.w5.hcsw.Rctl = FC_RCTL_BA_RJT;
+ bf_set(lpfc_vndr_code, &icmd->un.bls_rsp, 0);
+ bf_set(lpfc_rsn_expln, &icmd->un.bls_rsp, FC_BA_RJT_INV_XID);
+ bf_set(lpfc_rsn_code, &icmd->un.bls_rsp, FC_BA_RJT_UNABLE);
+ }
+
+ /* If BA_ABTS failed to abort a partially assembled receive sequence,
+ * the driver no longer has that exchange, send a BLS_RJT. Override
+ * the IOCB for a BA_RJT.
*/
- if (xri > (phba->sli4_hba.max_cfg_param.max_xri +
- phba->sli4_hba.max_cfg_param.xri_base) ||
- xri > (lpfc_sli4_get_els_iocb_cnt(phba) +
- phba->sli4_hba.max_cfg_param.xri_base)) {
+ if (aborted == false) {
icmd->un.xseq64.w5.hcsw.Rctl = FC_RCTL_BA_RJT;
bf_set(lpfc_vndr_code, &icmd->un.bls_rsp, 0);
bf_set(lpfc_rsn_expln, &icmd->un.bls_rsp, FC_BA_RJT_INV_XID);
@@ -14214,17 +14274,19 @@ lpfc_sli4_seq_abort_rsp(struct lpfc_hba *phba,
bf_set(lpfc_abts_oxid, &icmd->un.bls_rsp, oxid);
/* Xmit CT abts response on exchange <xid> */
- lpfc_printf_log(phba, KERN_INFO, LOG_ELS,
- "1200 Send BLS cmd x%x on oxid x%x Data: x%x\n",
- icmd->un.xseq64.w5.hcsw.Rctl, oxid, phba->link_state);
+ lpfc_printf_vlog(vport, KERN_INFO, LOG_ELS,
+ "1200 Send BLS cmd x%x on oxid x%x Data: x%x\n",
+ icmd->un.xseq64.w5.hcsw.Rctl, oxid, phba->link_state);
rc = lpfc_sli_issue_iocb(phba, LPFC_ELS_RING, ctiocb, 0);
if (rc == IOCB_ERROR) {
- lpfc_printf_log(phba, KERN_ERR, LOG_ELS,
- "2925 Failed to issue CT ABTS RSP x%x on "
- "xri x%x, Data x%x\n",
- icmd->un.xseq64.w5.hcsw.Rctl, oxid,
- phba->link_state);
+ lpfc_printf_vlog(vport, KERN_ERR, LOG_ELS,
+ "2925 Failed to issue CT ABTS RSP x%x on "
+ "xri x%x, Data x%x\n",
+ icmd->un.xseq64.w5.hcsw.Rctl, oxid,
+ phba->link_state);
+ lpfc_nlp_put(ndlp);
+ ctiocb->context1 = NULL;
lpfc_sli_release_iocbq(phba, ctiocb);
}
}
@@ -14249,32 +14311,25 @@ lpfc_sli4_handle_unsol_abort(struct lpfc_vport *vport,
struct lpfc_hba *phba = vport->phba;
struct fc_frame_header fc_hdr;
uint32_t fctl;
- bool abts_par;
+ bool aborted;
/* Make a copy of fc_hdr before the dmabuf being released */
memcpy(&fc_hdr, dmabuf->hbuf.virt, sizeof(struct fc_frame_header));
fctl = sli4_fctl_from_fc_hdr(&fc_hdr);
if (fctl & FC_FC_EX_CTX) {
- /*
- * ABTS sent by responder to exchange, just free the buffer
- */
- lpfc_in_buf_free(phba, &dmabuf->dbuf);
+ /* ABTS by responder to exchange, no cleanup needed */
+ aborted = true;
} else {
- /*
- * ABTS sent by initiator to exchange, need to do cleanup
- */
- /* Try to abort partially assembled seq */
- abts_par = lpfc_sli4_abort_partial_seq(vport, dmabuf);
-
- /* Send abort to ULP if partially seq abort failed */
- if (abts_par == false)
- lpfc_sli4_send_seq_to_ulp(vport, dmabuf);
- else
- lpfc_in_buf_free(phba, &dmabuf->dbuf);
+ /* ABTS by initiator to exchange, need to do cleanup */
+ aborted = lpfc_sli4_abort_partial_seq(vport, dmabuf);
+ if (aborted == false)
+ aborted = lpfc_sli4_abort_ulp_seq(vport, dmabuf);
}
- /* Send basic accept (BA_ACC) to the abort requester */
- lpfc_sli4_seq_abort_rsp(phba, &fc_hdr);
+ lpfc_in_buf_free(phba, &dmabuf->dbuf);
+
+ /* Respond with BA_ACC or BA_RJT accordingly */
+ lpfc_sli4_seq_abort_rsp(vport, &fc_hdr, aborted);
}
/**
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-12-22 06:43:46 +0000