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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.c329
1 files changed, 255 insertions, 74 deletions
diff --git a/drivers/scsi/lpfc/lpfc_sli.c b/drivers/scsi/lpfc/lpfc_sli.c
index 589549b2bf0e..35e3b96d4e07 100644
--- a/drivers/scsi/lpfc/lpfc_sli.c
+++ b/drivers/scsi/lpfc/lpfc_sli.c
@@ -580,10 +580,7 @@ __lpfc_sli_release_iocbq_s4(struct lpfc_hba *phba, struct lpfc_iocbq *iocbq)
else
sglq = __lpfc_clear_active_sglq(phba, iocbq->sli4_xritag);
if (sglq) {
- if (iocbq->iocb_flag & LPFC_DRIVER_ABORTED
- && ((iocbq->iocb.ulpStatus == IOSTAT_LOCAL_REJECT)
- && (iocbq->iocb.un.ulpWord[4]
- == IOERR_ABORT_REQUESTED))) {
+ if (iocbq->iocb_flag & LPFC_EXCHANGE_BUSY) {
spin_lock_irqsave(&phba->sli4_hba.abts_sgl_list_lock,
iflag);
list_add(&sglq->list,
@@ -764,10 +761,6 @@ lpfc_sli_iocb_cmd_type(uint8_t iocb_cmnd)
case DSSCMD_IWRITE64_CX:
case DSSCMD_IREAD64_CR:
case DSSCMD_IREAD64_CX:
- case DSSCMD_INVALIDATE_DEK:
- case DSSCMD_SET_KEK:
- case DSSCMD_GET_KEK_ID:
- case DSSCMD_GEN_XFER:
type = LPFC_SOL_IOCB;
break;
case CMD_ABORT_XRI_CN:
@@ -1717,6 +1710,7 @@ lpfc_sli_def_mbox_cmpl(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb)
struct lpfc_dmabuf *mp;
uint16_t rpi, vpi;
int rc;
+ struct lpfc_vport *vport = pmb->vport;
mp = (struct lpfc_dmabuf *) (pmb->context1);
@@ -1745,6 +1739,18 @@ lpfc_sli_def_mbox_cmpl(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb)
return;
}
+ /* Unreg VPI, if the REG_VPI succeed after VLink failure */
+ if ((pmb->u.mb.mbxCommand == MBX_REG_VPI) &&
+ !(phba->pport->load_flag & FC_UNLOADING) &&
+ !pmb->u.mb.mbxStatus) {
+ lpfc_unreg_vpi(phba, pmb->u.mb.un.varRegVpi.vpi, pmb);
+ pmb->vport = vport;
+ pmb->mbox_cmpl = lpfc_sli_def_mbox_cmpl;
+ rc = lpfc_sli_issue_mbox(phba, pmb, MBX_NOWAIT);
+ if (rc != MBX_NOT_FINISHED)
+ return;
+ }
+
if (bf_get(lpfc_mqe_command, &pmb->u.mqe) == MBX_SLI4_CONFIG)
lpfc_sli4_mbox_cmd_free(phba, pmb);
else
@@ -2228,9 +2234,15 @@ lpfc_sli_process_sol_iocb(struct lpfc_hba *phba, struct lpfc_sli_ring *pring,
* All other are passed to the completion callback.
*/
if (pring->ringno == LPFC_ELS_RING) {
- if (cmdiocbp->iocb_flag & LPFC_DRIVER_ABORTED) {
+ if ((phba->sli_rev < LPFC_SLI_REV4) &&
+ (cmdiocbp->iocb_flag &
+ LPFC_DRIVER_ABORTED)) {
+ spin_lock_irqsave(&phba->hbalock,
+ iflag);
cmdiocbp->iocb_flag &=
~LPFC_DRIVER_ABORTED;
+ spin_unlock_irqrestore(&phba->hbalock,
+ iflag);
saveq->iocb.ulpStatus =
IOSTAT_LOCAL_REJECT;
saveq->iocb.un.ulpWord[4] =
@@ -2240,7 +2252,47 @@ lpfc_sli_process_sol_iocb(struct lpfc_hba *phba, struct lpfc_sli_ring *pring,
* of DMAing payload, so don't free data
* buffer till after a hbeat.
*/
+ spin_lock_irqsave(&phba->hbalock,
+ iflag);
saveq->iocb_flag |= LPFC_DELAY_MEM_FREE;
+ spin_unlock_irqrestore(&phba->hbalock,
+ iflag);
+ }
+ if ((phba->sli_rev == LPFC_SLI_REV4) &&
+ (saveq->iocb_flag & LPFC_EXCHANGE_BUSY)) {
+ /* Set cmdiocb flag for the exchange
+ * busy so sgl (xri) will not be
+ * released until the abort xri is
+ * received from hba, clear the
+ * LPFC_DRIVER_ABORTED bit in case
+ * it was driver initiated abort.
+ */
+ spin_lock_irqsave(&phba->hbalock,
+ iflag);
+ cmdiocbp->iocb_flag &=
+ ~LPFC_DRIVER_ABORTED;
+ cmdiocbp->iocb_flag |=
+ LPFC_EXCHANGE_BUSY;
+ spin_unlock_irqrestore(&phba->hbalock,
+ iflag);
+ cmdiocbp->iocb.ulpStatus =
+ IOSTAT_LOCAL_REJECT;
+ cmdiocbp->iocb.un.ulpWord[4] =
+ IOERR_ABORT_REQUESTED;
+ /*
+ * For SLI4, irsiocb contains NO_XRI
+ * in sli_xritag, it shall not affect
+ * releasing sgl (xri) process.
+ */
+ saveq->iocb.ulpStatus =
+ IOSTAT_LOCAL_REJECT;
+ saveq->iocb.un.ulpWord[4] =
+ IOERR_SLI_ABORTED;
+ spin_lock_irqsave(&phba->hbalock,
+ iflag);
+ saveq->iocb_flag |= LPFC_DELAY_MEM_FREE;
+ spin_unlock_irqrestore(&phba->hbalock,
+ iflag);
}
}
(cmdiocbp->iocb_cmpl) (phba, cmdiocbp, saveq);
@@ -5687,19 +5739,19 @@ lpfc_sli4_bpl2sgl(struct lpfc_hba *phba, struct lpfc_iocbq *piocbq,
for (i = 0; i < numBdes; i++) {
/* Should already be byte swapped. */
- sgl->addr_hi = bpl->addrHigh;
- sgl->addr_lo = bpl->addrLow;
- /* swap the size field back to the cpu so we
- * can assign it to the sgl.
- */
- bde.tus.w = le32_to_cpu(bpl->tus.w);
- bf_set(lpfc_sli4_sge_len, sgl, bde.tus.f.bdeSize);
+ sgl->addr_hi = bpl->addrHigh;
+ sgl->addr_lo = bpl->addrLow;
+
if ((i+1) == numBdes)
bf_set(lpfc_sli4_sge_last, sgl, 1);
else
bf_set(lpfc_sli4_sge_last, sgl, 0);
sgl->word2 = cpu_to_le32(sgl->word2);
- sgl->word3 = cpu_to_le32(sgl->word3);
+ /* swap the size field back to the cpu so we
+ * can assign it to the sgl.
+ */
+ bde.tus.w = le32_to_cpu(bpl->tus.w);
+ sgl->sge_len = cpu_to_le32(bde.tus.f.bdeSize);
bpl++;
sgl++;
}
@@ -5712,11 +5764,10 @@ lpfc_sli4_bpl2sgl(struct lpfc_hba *phba, struct lpfc_iocbq *piocbq,
cpu_to_le32(icmd->un.genreq64.bdl.addrHigh);
sgl->addr_lo =
cpu_to_le32(icmd->un.genreq64.bdl.addrLow);
- bf_set(lpfc_sli4_sge_len, sgl,
- icmd->un.genreq64.bdl.bdeSize);
bf_set(lpfc_sli4_sge_last, sgl, 1);
sgl->word2 = cpu_to_le32(sgl->word2);
- sgl->word3 = cpu_to_le32(sgl->word3);
+ sgl->sge_len =
+ cpu_to_le32(icmd->un.genreq64.bdl.bdeSize);
}
return sglq->sli4_xritag;
}
@@ -5987,12 +6038,10 @@ lpfc_sli4_iocb2wqe(struct lpfc_hba *phba, struct lpfc_iocbq *iocbq,
else
bf_set(abort_cmd_ia, &wqe->abort_cmd, 0);
bf_set(abort_cmd_criteria, &wqe->abort_cmd, T_XRI_TAG);
- abort_tag = iocbq->iocb.un.acxri.abortIoTag;
wqe->words[5] = 0;
bf_set(lpfc_wqe_gen_ct, &wqe->generic,
((iocbq->iocb.ulpCt_h << 1) | iocbq->iocb.ulpCt_l));
abort_tag = iocbq->iocb.un.acxri.abortIoTag;
- wqe->generic.abort_tag = abort_tag;
/*
* The abort handler will send us CMD_ABORT_XRI_CN or
* CMD_CLOSE_XRI_CN and the fw only accepts CMD_ABORT_XRI_CX
@@ -6121,15 +6170,15 @@ __lpfc_sli_issue_iocb_s4(struct lpfc_hba *phba, uint32_t ring_number,
if (lpfc_sli4_iocb2wqe(phba, piocb, &wqe))
return IOCB_ERROR;
- if (piocb->iocb_flag & LPFC_IO_FCP) {
+ if ((piocb->iocb_flag & LPFC_IO_FCP) ||
+ (piocb->iocb_flag & LPFC_USE_FCPWQIDX)) {
/*
* For FCP command IOCB, get a new WQ index to distribute
* WQE across the WQsr. On the other hand, for abort IOCB,
* it carries the same WQ index to the original command
* IOCB.
*/
- if ((piocb->iocb.ulpCommand != CMD_ABORT_XRI_CN) &&
- (piocb->iocb.ulpCommand != CMD_CLOSE_XRI_CN))
+ if (piocb->iocb_flag & LPFC_IO_FCP)
piocb->fcp_wqidx = lpfc_sli4_scmd_to_wqidx_distr(phba);
if (lpfc_sli4_wq_put(phba->sli4_hba.fcp_wq[piocb->fcp_wqidx],
&wqe))
@@ -7004,7 +7053,14 @@ lpfc_sli_abort_els_cmpl(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
abort_iocb->iocb.ulpContext != abort_context ||
(abort_iocb->iocb_flag & LPFC_DRIVER_ABORTED) == 0)
spin_unlock_irq(&phba->hbalock);
- else {
+ else if (phba->sli_rev < LPFC_SLI_REV4) {
+ /*
+ * leave the SLI4 aborted command on the txcmplq
+ * list and the command complete WCQE's XB bit
+ * will tell whether the SGL (XRI) can be released
+ * immediately or to the aborted SGL list for the
+ * following abort XRI from the HBA.
+ */
list_del_init(&abort_iocb->list);
pring->txcmplq_cnt--;
spin_unlock_irq(&phba->hbalock);
@@ -7013,11 +7069,13 @@ lpfc_sli_abort_els_cmpl(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
* payload, so don't free data buffer till after
* a hbeat.
*/
+ spin_lock_irq(&phba->hbalock);
abort_iocb->iocb_flag |= LPFC_DELAY_MEM_FREE;
-
abort_iocb->iocb_flag &= ~LPFC_DRIVER_ABORTED;
+ spin_unlock_irq(&phba->hbalock);
+
abort_iocb->iocb.ulpStatus = IOSTAT_LOCAL_REJECT;
- abort_iocb->iocb.un.ulpWord[4] = IOERR_SLI_ABORTED;
+ abort_iocb->iocb.un.ulpWord[4] = IOERR_ABORT_REQUESTED;
(abort_iocb->iocb_cmpl)(phba, abort_iocb, abort_iocb);
}
}
@@ -7106,7 +7164,7 @@ lpfc_sli_issue_abort_iotag(struct lpfc_hba *phba, struct lpfc_sli_ring *pring,
return 0;
/* This signals the response to set the correct status
- * before calling the completion handler.
+ * before calling the completion handler
*/
cmdiocb->iocb_flag |= LPFC_DRIVER_ABORTED;
@@ -7124,6 +7182,8 @@ lpfc_sli_issue_abort_iotag(struct lpfc_hba *phba, struct lpfc_sli_ring *pring,
/* ABTS WQE must go to the same WQ as the WQE to be aborted */
abtsiocbp->fcp_wqidx = cmdiocb->fcp_wqidx;
+ if (cmdiocb->iocb_flag & LPFC_IO_FCP)
+ abtsiocbp->iocb_flag |= LPFC_USE_FCPWQIDX;
if (phba->link_state >= LPFC_LINK_UP)
iabt->ulpCommand = CMD_ABORT_XRI_CN;
@@ -7330,6 +7390,8 @@ lpfc_sli_abort_iocb(struct lpfc_vport *vport, struct lpfc_sli_ring *pring,
/* ABTS WQE must go to the same WQ as the WQE to be aborted */
abtsiocb->fcp_wqidx = iocbq->fcp_wqidx;
+ if (iocbq->iocb_flag & LPFC_IO_FCP)
+ abtsiocb->iocb_flag |= LPFC_USE_FCPWQIDX;
if (lpfc_is_link_up(phba))
abtsiocb->iocb.ulpCommand = CMD_ABORT_XRI_CN;
@@ -8359,11 +8421,24 @@ void lpfc_sli4_els_xri_abort_event_proc(struct lpfc_hba *phba)
}
}
+/**
+ * lpfc_sli4_iocb_param_transfer - Transfer pIocbOut and cmpl status to pIocbIn
+ * @phba: pointer to lpfc hba data structure
+ * @pIocbIn: pointer to the rspiocbq
+ * @pIocbOut: pointer to the cmdiocbq
+ * @wcqe: pointer to the complete wcqe
+ *
+ * This routine transfers the fields of a command iocbq to a response iocbq
+ * by copying all the IOCB fields from command iocbq and transferring the
+ * completion status information from the complete wcqe.
+ **/
static void
-lpfc_sli4_iocb_param_transfer(struct lpfc_iocbq *pIocbIn,
+lpfc_sli4_iocb_param_transfer(struct lpfc_hba *phba,
+ struct lpfc_iocbq *pIocbIn,
struct lpfc_iocbq *pIocbOut,
struct lpfc_wcqe_complete *wcqe)
{
+ unsigned long iflags;
size_t offset = offsetof(struct lpfc_iocbq, iocb);
memcpy((char *)pIocbIn + offset, (char *)pIocbOut + offset,
@@ -8377,8 +8452,17 @@ lpfc_sli4_iocb_param_transfer(struct lpfc_iocbq *pIocbIn,
wcqe->total_data_placed;
else
pIocbIn->iocb.un.ulpWord[4] = wcqe->parameter;
- else
+ else {
pIocbIn->iocb.un.ulpWord[4] = wcqe->parameter;
+ pIocbIn->iocb.un.genreq64.bdl.bdeSize = wcqe->total_data_placed;
+ }
+
+ /* Pick up HBA exchange busy condition */
+ if (bf_get(lpfc_wcqe_c_xb, wcqe)) {
+ spin_lock_irqsave(&phba->hbalock, iflags);
+ pIocbIn->iocb_flag |= LPFC_EXCHANGE_BUSY;
+ spin_unlock_irqrestore(&phba->hbalock, iflags);
+ }
}
/**
@@ -8419,7 +8503,7 @@ lpfc_sli4_els_wcqe_to_rspiocbq(struct lpfc_hba *phba,
}
/* Fake the irspiocbq and copy necessary response information */
- lpfc_sli4_iocb_param_transfer(irspiocbq, cmdiocbq, wcqe);
+ lpfc_sli4_iocb_param_transfer(phba, irspiocbq, cmdiocbq, wcqe);
return irspiocbq;
}
@@ -8849,8 +8933,7 @@ lpfc_sli4_sp_handle_eqe(struct lpfc_hba *phba, struct lpfc_eqe *eqe)
int ecount = 0;
uint16_t cqid;
- if (bf_get(lpfc_eqe_major_code, eqe) != 0 ||
- bf_get(lpfc_eqe_minor_code, eqe) != 0) {
+ if (bf_get(lpfc_eqe_major_code, eqe) != 0) {
lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
"0359 Not a valid slow-path completion "
"event: majorcode=x%x, minorcode=x%x\n",
@@ -8976,7 +9059,7 @@ lpfc_sli4_fp_handle_fcp_wcqe(struct lpfc_hba *phba,
}
/* Fake the irspiocb and copy necessary response information */
- lpfc_sli4_iocb_param_transfer(&irspiocbq, cmdiocbq, wcqe);
+ lpfc_sli4_iocb_param_transfer(phba, &irspiocbq, cmdiocbq, wcqe);
/* Pass the cmd_iocb and the rsp state to the upper layer */
(cmdiocbq->iocb_cmpl)(phba, cmdiocbq, &irspiocbq);
@@ -9082,8 +9165,7 @@ lpfc_sli4_fp_handle_eqe(struct lpfc_hba *phba, struct lpfc_eqe *eqe,
uint16_t cqid;
int ecount = 0;
- if (unlikely(bf_get(lpfc_eqe_major_code, eqe) != 0) ||
- unlikely(bf_get(lpfc_eqe_minor_code, eqe) != 0)) {
+ if (unlikely(bf_get(lpfc_eqe_major_code, eqe) != 0)) {
lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
"0366 Not a valid fast-path completion "
"event: majorcode=x%x, minorcode=x%x\n",
@@ -11871,12 +11953,6 @@ lpfc_sli4_read_fcf_record(struct lpfc_hba *phba, uint16_t fcf_index)
{
int rc = 0, error;
LPFC_MBOXQ_t *mboxq;
- void *virt_addr;
- dma_addr_t phys_addr;
- uint8_t *bytep;
- struct lpfc_mbx_sge sge;
- uint32_t alloc_len, req_len;
- struct lpfc_mbx_read_fcf_tbl *read_fcf;
phba->fcoe_eventtag_at_fcf_scan = phba->fcoe_eventtag;
mboxq = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
@@ -11887,43 +11963,19 @@ lpfc_sli4_read_fcf_record(struct lpfc_hba *phba, uint16_t fcf_index)
error = -ENOMEM;
goto fail_fcfscan;
}
-
- req_len = sizeof(struct fcf_record) +
- sizeof(union lpfc_sli4_cfg_shdr) + 2 * sizeof(uint32_t);
-
- /* Set up READ_FCF SLI4_CONFIG mailbox-ioctl command */
- alloc_len = lpfc_sli4_config(phba, mboxq, LPFC_MBOX_SUBSYSTEM_FCOE,
- LPFC_MBOX_OPCODE_FCOE_READ_FCF_TABLE, req_len,
- LPFC_SLI4_MBX_NEMBED);
-
- if (alloc_len < req_len) {
- lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
- "0291 Allocated DMA memory size (x%x) is "
- "less than the requested DMA memory "
- "size (x%x)\n", alloc_len, req_len);
- error = -ENOMEM;
+ /* Construct the read FCF record mailbox command */
+ rc = lpfc_sli4_mbx_read_fcf_record(phba, mboxq, fcf_index);
+ if (rc) {
+ error = -EINVAL;
goto fail_fcfscan;
}
-
- /* Get the first SGE entry from the non-embedded DMA memory. This
- * routine only uses a single SGE.
- */
- lpfc_sli4_mbx_sge_get(mboxq, 0, &sge);
- phys_addr = getPaddr(sge.pa_hi, sge.pa_lo);
- virt_addr = mboxq->sge_array->addr[0];
- read_fcf = (struct lpfc_mbx_read_fcf_tbl *)virt_addr;
-
- /* Set up command fields */
- bf_set(lpfc_mbx_read_fcf_tbl_indx, &read_fcf->u.request, fcf_index);
- /* Perform necessary endian conversion */
- bytep = virt_addr + sizeof(union lpfc_sli4_cfg_shdr);
- lpfc_sli_pcimem_bcopy(bytep, bytep, sizeof(uint32_t));
+ /* Issue the mailbox command asynchronously */
mboxq->vport = phba->pport;
mboxq->mbox_cmpl = lpfc_mbx_cmpl_read_fcf_record;
rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_NOWAIT);
- if (rc == MBX_NOT_FINISHED) {
+ if (rc == MBX_NOT_FINISHED)
error = -EIO;
- } else {
+ else {
spin_lock_irq(&phba->hbalock);
phba->hba_flag |= FCF_DISC_INPROGRESS;
spin_unlock_irq(&phba->hbalock);
@@ -11942,6 +11994,90 @@ fail_fcfscan:
}
/**
+ * lpfc_mbx_cmpl_redisc_fcf_table - completion routine for rediscover FCF table
+ * @phba: pointer to lpfc hba data structure.
+ *
+ * This routine is the completion routine for the rediscover FCF table mailbox
+ * command. If the mailbox command returned failure, it will try to stop the
+ * FCF rediscover wait timer.
+ **/
+void
+lpfc_mbx_cmpl_redisc_fcf_table(struct lpfc_hba *phba, LPFC_MBOXQ_t *mbox)
+{
+ struct lpfc_mbx_redisc_fcf_tbl *redisc_fcf;
+ uint32_t shdr_status, shdr_add_status;
+
+ redisc_fcf = &mbox->u.mqe.un.redisc_fcf_tbl;
+
+ shdr_status = bf_get(lpfc_mbox_hdr_status,
+ &redisc_fcf->header.cfg_shdr.response);
+ shdr_add_status = bf_get(lpfc_mbox_hdr_add_status,
+ &redisc_fcf->header.cfg_shdr.response);
+ if (shdr_status || shdr_add_status) {
+ lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
+ "2746 Requesting for FCF rediscovery failed "
+ "status x%x add_status x%x\n",
+ shdr_status, shdr_add_status);
+ /*
+ * Request failed, last resort to re-try current
+ * registered FCF entry
+ */
+ lpfc_retry_pport_discovery(phba);
+ } else
+ /*
+ * Start FCF rediscovery wait timer for pending FCF
+ * before rescan FCF record table.
+ */
+ lpfc_fcf_redisc_wait_start_timer(phba);
+
+ mempool_free(mbox, phba->mbox_mem_pool);
+}
+
+/**
+ * lpfc_sli4_redisc_all_fcf - Request to rediscover entire FCF table by port.
+ * @phba: pointer to lpfc hba data structure.
+ *
+ * This routine is invoked to request for rediscovery of the entire FCF table
+ * by the port.
+ **/
+int
+lpfc_sli4_redisc_fcf_table(struct lpfc_hba *phba)
+{
+ LPFC_MBOXQ_t *mbox;
+ struct lpfc_mbx_redisc_fcf_tbl *redisc_fcf;
+ int rc, length;
+
+ mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
+ if (!mbox) {
+ lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
+ "2745 Failed to allocate mbox for "
+ "requesting FCF rediscover.\n");
+ return -ENOMEM;
+ }
+
+ length = (sizeof(struct lpfc_mbx_redisc_fcf_tbl) -
+ sizeof(struct lpfc_sli4_cfg_mhdr));
+ lpfc_sli4_config(phba, mbox, LPFC_MBOX_SUBSYSTEM_FCOE,
+ LPFC_MBOX_OPCODE_FCOE_REDISCOVER_FCF,
+ length, LPFC_SLI4_MBX_EMBED);
+
+ redisc_fcf = &mbox->u.mqe.un.redisc_fcf_tbl;
+ /* Set count to 0 for invalidating the entire FCF database */
+ bf_set(lpfc_mbx_redisc_fcf_count, redisc_fcf, 0);
+
+ /* Issue the mailbox command asynchronously */
+ mbox->vport = phba->pport;
+ mbox->mbox_cmpl = lpfc_mbx_cmpl_redisc_fcf_table;
+ rc = lpfc_sli_issue_mbox(phba, mbox, MBX_NOWAIT);
+
+ if (rc == MBX_NOT_FINISHED) {
+ mempool_free(mbox, phba->mbox_mem_pool);
+ return -EIO;
+ }
+ return 0;
+}
+
+/**
* lpfc_sli_read_link_ste - Read region 23 to decide if link is disabled.
* @phba: pointer to lpfc hba data structure.
*
@@ -12069,3 +12205,48 @@ out:
kfree(rgn23_data);
return;
}
+
+/**
+ * lpfc_cleanup_pending_mbox - Free up vport discovery mailbox commands.
+ * @vport: pointer to vport data structure.
+ *
+ * This function iterate through the mailboxq and clean up all REG_LOGIN
+ * and REG_VPI mailbox commands associated with the vport. This function
+ * is called when driver want to restart discovery of the vport due to
+ * a Clear Virtual Link event.
+ **/
+void
+lpfc_cleanup_pending_mbox(struct lpfc_vport *vport)
+{
+ struct lpfc_hba *phba = vport->phba;
+ LPFC_MBOXQ_t *mb, *nextmb;
+ struct lpfc_dmabuf *mp;
+
+ spin_lock_irq(&phba->hbalock);
+ list_for_each_entry_safe(mb, nextmb, &phba->sli.mboxq, list) {
+ if (mb->vport != vport)
+ continue;
+
+ if ((mb->u.mb.mbxCommand != MBX_REG_LOGIN64) &&
+ (mb->u.mb.mbxCommand != MBX_REG_VPI))
+ continue;
+
+ if (mb->u.mb.mbxCommand == MBX_REG_LOGIN64) {
+ mp = (struct lpfc_dmabuf *) (mb->context1);
+ if (mp) {
+ __lpfc_mbuf_free(phba, mp->virt, mp->phys);
+ kfree(mp);
+ }
+ }
+ list_del(&mb->list);
+ mempool_free(mb, phba->mbox_mem_pool);
+ }
+ mb = phba->sli.mbox_active;
+ if (mb && (mb->vport == vport)) {
+ if ((mb->u.mb.mbxCommand == MBX_REG_LOGIN64) ||
+ (mb->u.mb.mbxCommand == MBX_REG_VPI))
+ mb->mbox_cmpl = lpfc_sli_def_mbox_cmpl;
+ }
+ spin_unlock_irq(&phba->hbalock);
+}
+
generated by cgit v1.2.3 (git 2.0.4) at 2024-05-30 10:57:59 +0000