- Move Unload flag earlier in vport deletei to stop ELS traffic
- Replaced some unnecessary spin_lock_irqsave with spin_lock_irq
- Fixed circular spinlock dependency between low-level driver and SCSI midlayer
- Remove duplicate code from lpfc_els_retry routine
- Make all error values negative
Signed-off-by: Alex Iannicelli <alex.iannicelli@xxxxxxxxxx>
Signed-off-by: James Smart <james.smart@xxxxxxxxxx>
---
lpfc_bsg.c | 81 +++++++++++++++++++++++-----------------------
lpfc_els.c | 2 +
lpfc_hbadisc.c | 34 ++++++++++---------
lpfc_init.c | 34 +++++++++----------
lpfc_sli.c | 100 ++++++++++++++++++++++++++++++++++-----------------------
lpfc_vport.c | 8 +---
6 files changed, 142 insertions(+), 117 deletions(-)
diff -upNr a/drivers/scsi/lpfc/lpfc_bsg.c b/drivers/scsi/lpfc/lpfc_bsg.c
--- a/drivers/scsi/lpfc/lpfc_bsg.c 2010-08-09 09:30:13.000000000 -0400
+++ b/drivers/scsi/lpfc/lpfc_bsg.c 2010-09-29 10:07:22.000000000 -0400
@@ -259,6 +259,7 @@ lpfc_bsg_send_mgmt_cmd(struct fc_bsg_job
struct bsg_job_data *dd_data;
uint32_t creg_val;
int rc = 0;
+ int iocb_stat;
/* in case no data is transferred */
job->reply->reply_payload_rcv_len = 0;
@@ -373,14 +374,13 @@ lpfc_bsg_send_mgmt_cmd(struct fc_bsg_job
readl(phba->HCregaddr); /* flush */
}
- rc = lpfc_sli_issue_iocb(phba, LPFC_ELS_RING, cmdiocbq, 0);
-
- if (rc == IOCB_SUCCESS)
+ iocb_stat = lpfc_sli_issue_iocb(phba, LPFC_ELS_RING, cmdiocbq, 0);
+ if (iocb_stat == IOCB_SUCCESS)
return 0; /* done for now */
- else if (rc == IOCB_BUSY)
- rc = EAGAIN;
+ else if (iocb_stat == IOCB_BUSY)
+ rc = -EAGAIN;
else
- rc = EIO;
+ rc = -EIO;
/* iocb failed so cleanup */
@@ -631,9 +631,9 @@ lpfc_bsg_rport_els(struct fc_bsg_job *jo
if (rc == IOCB_SUCCESS)
return 0; /* done for now */
else if (rc == IOCB_BUSY)
- rc = EAGAIN;
+ rc = -EAGAIN;
else
- rc = EIO;
+ rc = -EIO;
pci_unmap_sg(phba->pcidev, job->request_payload.sg_list,
job->request_payload.sg_cnt, DMA_TO_DEVICE);
@@ -1299,7 +1299,7 @@ lpfc_issue_ct_rsp(struct lpfc_hba *phba,
/* Allocate buffer for command iocb */
ctiocb = lpfc_sli_get_iocbq(phba);
if (!ctiocb) {
- rc = ENOMEM;
+ rc = -ENOMEM;
goto no_ctiocb;
}
@@ -1649,17 +1649,18 @@ static int lpfcdiag_loop_self_reg(struct
mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
if (!mbox)
- return ENOMEM;
+ return -ENOMEM;
status = lpfc_reg_rpi(phba, 0, phba->pport->fc_myDID,
(uint8_t *)&phba->pport->fc_sparam, mbox, 0);
if (status) {
mempool_free(mbox, phba->mbox_mem_pool);
- return ENOMEM;
+ return -ENOMEM;
}
dmabuff = (struct lpfc_dmabuf *) mbox->context1;
mbox->context1 = NULL;
+ mbox->context2 = NULL;
status = lpfc_sli_issue_mbox_wait(phba, mbox, LPFC_MBOX_TMO);
if ((status != MBX_SUCCESS) || (mbox->u.mb.mbxStatus)) {
@@ -1667,7 +1668,7 @@ static int lpfcdiag_loop_self_reg(struct
kfree(dmabuff);
if (status != MBX_TIMEOUT)
mempool_free(mbox, phba->mbox_mem_pool);
- return ENODEV;
+ return -ENODEV;
}
*rpi = mbox->u.mb.un.varWords[0];
@@ -1693,7 +1694,7 @@ static int lpfcdiag_loop_self_unreg(stru
/* Allocate mboxq structure */
mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
if (mbox == NULL)
- return ENOMEM;
+ return -ENOMEM;
lpfc_unreg_login(phba, 0, rpi, mbox);
status = lpfc_sli_issue_mbox_wait(phba, mbox, LPFC_MBOX_TMO);
@@ -1701,7 +1702,7 @@ static int lpfcdiag_loop_self_unreg(stru
if ((status != MBX_SUCCESS) || (mbox->u.mb.mbxStatus)) {
if (status != MBX_TIMEOUT)
mempool_free(mbox, phba->mbox_mem_pool);
- return EIO;
+ return -EIO;
}
mempool_free(mbox, phba->mbox_mem_pool);
@@ -1730,6 +1731,8 @@ static int lpfcdiag_loop_get_xri(struct
struct ulp_bde64 *bpl = NULL;
struct lpfc_sli_ct_request *ctreq = NULL;
int ret_val = 0;
+ int time_left;
+ int iocb_stat;
unsigned long flags;
*txxri = 0;
@@ -1737,7 +1740,7 @@ static int lpfcdiag_loop_get_xri(struct
evt = lpfc_bsg_event_new(FC_REG_CT_EVENT, current->pid,
SLI_CT_ELX_LOOPBACK);
if (!evt)
- return ENOMEM;
+ return -ENOMEM;
spin_lock_irqsave(&phba->ct_ev_lock, flags);
list_add(&evt->node, &phba->ct_ev_waiters);
@@ -1770,7 +1773,7 @@ static int lpfcdiag_loop_get_xri(struct
if (cmdiocbq == NULL || rspiocbq == NULL ||
dmabuf == NULL || bpl == NULL || ctreq == NULL ||
dmabuf->virt == NULL) {
- ret_val = ENOMEM;
+ ret_val = -ENOMEM;
goto err_get_xri_exit;
}
@@ -1806,24 +1809,24 @@ static int lpfcdiag_loop_get_xri(struct
cmdiocbq->iocb_flag |= LPFC_IO_LIBDFC;
cmdiocbq->vport = phba->pport;
- ret_val = lpfc_sli_issue_iocb_wait(phba, LPFC_ELS_RING, cmdiocbq,
+ iocb_stat = lpfc_sli_issue_iocb_wait(phba, LPFC_ELS_RING, cmdiocbq,
rspiocbq,
(phba->fc_ratov * 2)
+ LPFC_DRVR_TIMEOUT);
- if (ret_val)
+ if (iocb_stat) {
+ ret_val = -EIO;
goto err_get_xri_exit;
-
+ }
*txxri = rsp->ulpContext;
evt->waiting = 1;
evt->wait_time_stamp = jiffies;
- ret_val = wait_event_interruptible_timeout(
+ time_left = wait_event_interruptible_timeout(
evt->wq, !list_empty(&evt->events_to_see),
((phba->fc_ratov * 2) + LPFC_DRVR_TIMEOUT) * HZ);
if (list_empty(&evt->events_to_see))
- ret_val = (ret_val) ? EINTR : ETIMEDOUT;
+ ret_val = (time_left) ? -EINTR : -ETIMEDOUT;
else {
- ret_val = IOCB_SUCCESS;
spin_lock_irqsave(&phba->ct_ev_lock, flags);
list_move(evt->events_to_see.prev, &evt->events_to_get);
spin_unlock_irqrestore(&phba->ct_ev_lock, flags);
@@ -1845,7 +1848,7 @@ err_get_xri_exit:
kfree(dmabuf);
}
- if (cmdiocbq && (ret_val != IOCB_TIMEDOUT))
+ if (cmdiocbq && (iocb_stat != IOCB_TIMEDOUT))
lpfc_sli_release_iocbq(phba, cmdiocbq);
if (rspiocbq)
lpfc_sli_release_iocbq(phba, rspiocbq);
@@ -1959,6 +1962,7 @@ static int lpfcdiag_loop_post_rxbufs(str
uint32_t num_bde;
struct lpfc_dmabufext *rxbuffer = NULL;
int ret_val = 0;
+ int iocb_stat;
int i = 0;
cmdiocbq = lpfc_sli_get_iocbq(phba);
@@ -1973,7 +1977,7 @@ static int lpfcdiag_loop_post_rxbufs(str
}
if (!cmdiocbq || !rxbmp || !rxbpl || !rxbuffer) {
- ret_val = ENOMEM;
+ ret_val = -ENOMEM;
goto err_post_rxbufs_exit;
}
@@ -2022,16 +2026,16 @@ static int lpfcdiag_loop_post_rxbufs(str
cmd->ulpClass = CLASS3;
cmd->ulpContext = rxxri;
- ret_val = lpfc_sli_issue_iocb(phba, LPFC_ELS_RING, cmdiocbq, 0);
-
- if (ret_val == IOCB_ERROR) {
+ iocb_stat = lpfc_sli_issue_iocb(phba, LPFC_ELS_RING, cmdiocbq,
+ 0);
+ if (iocb_stat == IOCB_ERROR) {
diag_cmd_data_free(phba,
(struct lpfc_dmabufext *)mp[0]);
if (mp[1])
diag_cmd_data_free(phba,
(struct lpfc_dmabufext *)mp[1]);
dmp = list_entry(next, struct lpfc_dmabuf, list);
- ret_val = EIO;
+ ret_val = -EIO;
goto err_post_rxbufs_exit;
}
@@ -2045,7 +2049,7 @@ static int lpfcdiag_loop_post_rxbufs(str
cmdiocbq = lpfc_sli_get_iocbq(phba);
if (!cmdiocbq) {
dmp = list_entry(next, struct lpfc_dmabuf, list);
- ret_val = EIO;
+ ret_val = -EIO;
goto err_post_rxbufs_exit;
}
@@ -2111,6 +2115,8 @@ lpfc_bsg_diag_test(struct fc_bsg_job *jo
uint32_t num_bde;
uint8_t *ptr = NULL, *rx_databuf = NULL;
int rc = 0;
+ int time_left;
+ int iocb_stat;
unsigned long flags;
void *dataout = NULL;
uint32_t total_mem;
@@ -2185,22 +2191,18 @@ lpfc_bsg_diag_test(struct fc_bsg_job *jo
ptr, size);
rc = lpfcdiag_loop_self_reg(phba, &rpi);
- if (rc) {
- rc = -ENOMEM;
+ if (rc)
goto loopback_test_exit;
- }
rc = lpfcdiag_loop_get_xri(phba, rpi, &txxri, &rxxri);
if (rc) {
lpfcdiag_loop_self_unreg(phba, rpi);
- rc = -ENOMEM;
goto loopback_test_exit;
}
rc = lpfcdiag_loop_post_rxbufs(phba, rxxri, full_size);
if (rc) {
lpfcdiag_loop_self_unreg(phba, rpi);
- rc = -ENOMEM;
goto loopback_test_exit;
}
@@ -2290,21 +2292,22 @@ lpfc_bsg_diag_test(struct fc_bsg_job *jo
cmdiocbq->iocb_flag |= LPFC_IO_LIBDFC;
cmdiocbq->vport = phba->pport;
- rc = lpfc_sli_issue_iocb_wait(phba, LPFC_ELS_RING, cmdiocbq, rspiocbq,
- (phba->fc_ratov * 2) + LPFC_DRVR_TIMEOUT);
+ iocb_stat = lpfc_sli_issue_iocb_wait(phba, LPFC_ELS_RING, cmdiocbq,
+ rspiocbq, (phba->fc_ratov * 2) +
+ LPFC_DRVR_TIMEOUT);
- if ((rc != IOCB_SUCCESS) || (rsp->ulpStatus != IOCB_SUCCESS)) {
+ if ((iocb_stat != IOCB_SUCCESS) || (rsp->ulpStatus != IOCB_SUCCESS)) {
rc = -EIO;
goto err_loopback_test_exit;
}
evt->waiting = 1;
- rc = wait_event_interruptible_timeout(
+ time_left = wait_event_interruptible_timeout(
evt->wq, !list_empty(&evt->events_to_see),
((phba->fc_ratov * 2) + LPFC_DRVR_TIMEOUT) * HZ);
evt->waiting = 0;
if (list_empty(&evt->events_to_see))
- rc = (rc) ? -EINTR : -ETIMEDOUT;
+ rc = (time_left) ? -EINTR : -ETIMEDOUT;
else {
spin_lock_irqsave(&phba->ct_ev_lock, flags);
list_move(evt->events_to_see.prev, &evt->events_to_get);
diff -upNr a/drivers/scsi/lpfc/lpfc_els.c b/drivers/scsi/lpfc/lpfc_els.c
--- a/drivers/scsi/lpfc/lpfc_els.c 2010-08-09 09:30:14.000000000 -0400
+++ b/drivers/scsi/lpfc/lpfc_els.c 2010-09-29 10:07:22.000000000 -0400
@@ -3250,6 +3250,8 @@ lpfc_mbx_cmpl_dflt_rpi(struct lpfc_hba *
lpfc_sli4_free_rpi(phba, pmb->u.mb.un.varUnregLogin.rpi);
pmb->context1 = NULL;
+ pmb->context2 = NULL;
+
lpfc_mbuf_free(phba, mp->virt, mp->phys);
kfree(mp);
mempool_free(pmb, phba->mbox_mem_pool);
diff -upNr a/drivers/scsi/lpfc/lpfc_hbadisc.c b/drivers/scsi/lpfc/lpfc_hbadisc.c
--- a/drivers/scsi/lpfc/lpfc_hbadisc.c 2010-08-09 09:30:14.000000000 -0400
+++ b/drivers/scsi/lpfc/lpfc_hbadisc.c 2010-09-29 10:07:22.000000000 -0400
@@ -1015,7 +1015,6 @@ static void
lpfc_mbx_cmpl_reg_fcfi(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq)
{
struct lpfc_vport *vport = mboxq->vport;
- unsigned long flags;
if (mboxq->u.mb.mbxStatus) {
lpfc_printf_vlog(vport, KERN_ERR, LOG_MBOX,
@@ -1029,18 +1028,18 @@ lpfc_mbx_cmpl_reg_fcfi(struct lpfc_hba *
/* Start FCoE discovery by sending a FLOGI. */
phba->fcf.fcfi = bf_get(lpfc_reg_fcfi_fcfi, &mboxq->u.mqe.un.reg_fcfi);
/* Set the FCFI registered flag */
- spin_lock_irqsave(&phba->hbalock, flags);
+ spin_lock_irq(&phba->hbalock);
phba->fcf.fcf_flag |= FCF_REGISTERED;
- spin_unlock_irqrestore(&phba->hbalock, flags);
+ spin_unlock_irq(&phba->hbalock);
/* If there is a pending FCoE event, restart FCF table scan. */
if (lpfc_check_pending_fcoe_event(phba, 1)) {
mempool_free(mboxq, phba->mbox_mem_pool);
return;
}
- spin_lock_irqsave(&phba->hbalock, flags);
+ spin_lock_irq(&phba->hbalock);
phba->fcf.fcf_flag |= (FCF_SCAN_DONE | FCF_IN_USE);
phba->hba_flag &= ~FCF_DISC_INPROGRESS;
- spin_unlock_irqrestore(&phba->hbalock, flags);
+ spin_unlock_irq(&phba->hbalock);
if (vport->port_state != LPFC_FLOGI)
lpfc_initial_flogi(vport);
@@ -1240,14 +1239,13 @@ lpfc_register_fcf(struct lpfc_hba *phba)
{
LPFC_MBOXQ_t *fcf_mbxq;
int rc;
- unsigned long flags;
- spin_lock_irqsave(&phba->hbalock, flags);
+ spin_lock_irq(&phba->hbalock);
/* If the FCF is not availabe do nothing. */
if (!(phba->fcf.fcf_flag & FCF_AVAILABLE)) {
phba->hba_flag &= ~FCF_DISC_INPROGRESS;
- spin_unlock_irqrestore(&phba->hbalock, flags);
+ spin_unlock_irq(&phba->hbalock);
return;
}
@@ -1255,19 +1253,19 @@ lpfc_register_fcf(struct lpfc_hba *phba)
if (phba->fcf.fcf_flag & FCF_REGISTERED) {
phba->fcf.fcf_flag |= (FCF_SCAN_DONE | FCF_IN_USE);
phba->hba_flag &= ~FCF_DISC_INPROGRESS;
- spin_unlock_irqrestore(&phba->hbalock, flags);
+ spin_unlock_irq(&phba->hbalock);
if (phba->pport->port_state != LPFC_FLOGI)
lpfc_initial_flogi(phba->pport);
return;
}
- spin_unlock_irqrestore(&phba->hbalock, flags);
+ spin_unlock_irq(&phba->hbalock);
fcf_mbxq = mempool_alloc(phba->mbox_mem_pool,
GFP_KERNEL);
if (!fcf_mbxq) {
- spin_lock_irqsave(&phba->hbalock, flags);
+ spin_lock_irq(&phba->hbalock);
phba->hba_flag &= ~FCF_DISC_INPROGRESS;
- spin_unlock_irqrestore(&phba->hbalock, flags);
+ spin_unlock_irq(&phba->hbalock);
return;
}
@@ -1276,9 +1274,9 @@ lpfc_register_fcf(struct lpfc_hba *phba)
fcf_mbxq->mbox_cmpl = lpfc_mbx_cmpl_reg_fcfi;
rc = lpfc_sli_issue_mbox(phba, fcf_mbxq, MBX_NOWAIT);
if (rc == MBX_NOT_FINISHED) {
- spin_lock_irqsave(&phba->hbalock, flags);
+ spin_lock_irq(&phba->hbalock);
phba->hba_flag &= ~FCF_DISC_INPROGRESS;
- spin_unlock_irqrestore(&phba->hbalock, flags);
+ spin_unlock_irq(&phba->hbalock);
mempool_free(fcf_mbxq, phba->mbox_mem_pool);
}
@@ -2851,6 +2849,7 @@ lpfc_mbx_cmpl_reg_login(struct lpfc_hba
struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
pmb->context1 = NULL;
+ pmb->context2 = NULL;
if (ndlp->nlp_flag & NLP_REG_LOGIN_SEND)
ndlp->nlp_flag &= ~NLP_REG_LOGIN_SEND;
@@ -3149,6 +3148,7 @@ lpfc_mbx_cmpl_fabric_reg_login(struct lp
ndlp = (struct lpfc_nodelist *) pmb->context2;
pmb->context1 = NULL;
pmb->context2 = NULL;
+
if (mb->mbxStatus) {
lpfc_printf_vlog(vport, KERN_ERR, LOG_MBOX,
"0258 Register Fabric login error: 0x%x\n",
@@ -3218,6 +3218,9 @@ lpfc_mbx_cmpl_ns_reg_login(struct lpfc_h
struct lpfc_nodelist *ndlp = (struct lpfc_nodelist *) pmb->context2;
struct lpfc_vport *vport = pmb->vport;
+ pmb->context1 = NULL;
+ pmb->context2 = NULL;
+
if (mb->mbxStatus) {
out:
lpfc_printf_vlog(vport, KERN_ERR, LOG_ELS,
@@ -3249,8 +3252,6 @@ out:
return;
}
- pmb->context1 = NULL;
-
ndlp->nlp_rpi = mb->un.varWords[0];
ndlp->nlp_flag |= NLP_RPI_VALID;
ndlp->nlp_type |= NLP_FABRIC;
@@ -4784,6 +4785,7 @@ lpfc_mbx_cmpl_fdmi_reg_login(struct lpfc
struct lpfc_vport *vport = pmb->vport;
pmb->context1 = NULL;
+ pmb->context2 = NULL;
ndlp->nlp_rpi = mb->un.varWords[0];
ndlp->nlp_flag |= NLP_RPI_VALID;
diff -upNr a/drivers/scsi/lpfc/lpfc_init.c b/drivers/scsi/lpfc/lpfc_init.c
--- a/drivers/scsi/lpfc/lpfc_init.c 2010-08-09 09:30:14.000000000 -0400
+++ b/drivers/scsi/lpfc/lpfc_init.c 2010-09-29 10:07:23.000000000 -0400
@@ -4725,8 +4725,8 @@ out_free_mem:
*
* Return codes
* 0 - successful
- * ENOMEM - No availble memory
- * EIO - The mailbox failed to complete successfully.
+ * -ENOMEM - No availble memory
+ * -EIO - The mailbox failed to complete successfully.
**/
int
lpfc_sli4_init_rpi_hdrs(struct lpfc_hba *phba)
@@ -5419,7 +5419,7 @@ lpfc_sli4_bar2_register_memmap(struct lp
*
* Return codes
* 0 - successful
- * ENOMEM - could not allocated memory.
+ * -ENOMEM - could not allocated memory.
**/
static int
lpfc_create_bootstrap_mbox(struct lpfc_hba *phba)
@@ -5518,8 +5518,8 @@ lpfc_destroy_bootstrap_mbox(struct lpfc_
*
* Return codes
* 0 - successful
- * ENOMEM - No availble memory
- * EIO - The mailbox failed to complete successfully.
+ * -ENOMEM - No availble memory
+ * -EIO - The mailbox failed to complete successfully.
**/
static int
lpfc_sli4_read_config(struct lpfc_hba *phba)
@@ -5622,8 +5622,8 @@ lpfc_sli4_read_config(struct lpfc_hba *p
*
* Return codes
* 0 - successful
- * ENOMEM - No availble memory
- * EIO - The mailbox failed to complete successfully.
+ * -ENOMEM - No availble memory
+ * -EIO - The mailbox failed to complete successfully.
**/
static int
lpfc_setup_endian_order(struct lpfc_hba *phba)
@@ -5671,8 +5671,8 @@ lpfc_setup_endian_order(struct lpfc_hba
*
* Return codes
* 0 - successful
- * ENOMEM - No availble memory
- * EIO - The mailbox failed to complete successfully.
+ * -ENOMEM - No availble memory
+ * -EIO - The mailbox failed to complete successfully.
**/
static int
lpfc_sli4_queue_create(struct lpfc_hba *phba)
@@ -5966,8 +5966,8 @@ out_error:
*
* Return codes
* 0 - successful
- * ENOMEM - No availble memory
- * EIO - The mailbox failed to complete successfully.
+ * -ENOMEM - No availble memory
+ * -EIO - The mailbox failed to complete successfully.
**/
static void
lpfc_sli4_queue_destroy(struct lpfc_hba *phba)
@@ -6030,8 +6030,8 @@ lpfc_sli4_queue_destroy(struct lpfc_hba
*
* Return codes
* 0 - successful
- * ENOMEM - No availble memory
- * EIO - The mailbox failed to complete successfully.
+ * -ENOMEM - No availble memory
+ * -EIO - The mailbox failed to complete successfully.
**/
int
lpfc_sli4_queue_setup(struct lpfc_hba *phba)
@@ -6275,8 +6275,8 @@ out_error:
*
* Return codes
* 0 - successful
- * ENOMEM - No availble memory
- * EIO - The mailbox failed to complete successfully.
+ * -ENOMEM - No availble memory
+ * -EIO - The mailbox failed to complete successfully.
**/
void
lpfc_sli4_queue_unset(struct lpfc_hba *phba)
@@ -6481,8 +6481,8 @@ lpfc_sli4_cq_event_release_all(struct lp
*
* Return codes
* 0 - successful
- * ENOMEM - No availble memory
- * EIO - The mailbox failed to complete successfully.
+ * -ENOMEM - No availble memory
+ * -EIO - The mailbox failed to complete successfully.
**/
int
lpfc_pci_function_reset(struct lpfc_hba *phba)
diff -upNr a/drivers/scsi/lpfc/lpfc_sli.c b/drivers/scsi/lpfc/lpfc_sli.c
--- a/drivers/scsi/lpfc/lpfc_sli.c 2010-09-08 12:08:03.000000000 -0400
+++ b/drivers/scsi/lpfc/lpfc_sli.c 2010-09-29 10:07:23.000000000 -0400
@@ -1730,10 +1730,11 @@ lpfc_sli_wake_mbox_wait(struct lpfc_hba
void
lpfc_sli_def_mbox_cmpl(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb)
{
+ struct lpfc_vport *vport = pmb->vport;
struct lpfc_dmabuf *mp;
+ struct lpfc_nodelist *ndlp;
uint16_t rpi, vpi;
int rc;
- struct lpfc_vport *vport = pmb->vport;
mp = (struct lpfc_dmabuf *) (pmb->context1);
@@ -1774,6 +1775,12 @@ lpfc_sli_def_mbox_cmpl(struct lpfc_hba *
return;
}
+ if (pmb->u.mb.mbxCommand == MBX_REG_LOGIN64) {
+ ndlp = (struct lpfc_nodelist *)pmb->context2;
+ lpfc_nlp_put(ndlp);
+ pmb->context2 = NULL;
+ }
+
if (bf_get(lpfc_mqe_command, &pmb->u.mqe) == MBX_SLI4_CONFIG)
lpfc_sli4_mbox_cmd_free(phba, pmb);
else
@@ -4186,7 +4193,7 @@ lpfc_sli4_read_fcoe_params(struct lpfc_h
*
* Return codes
* 0 - successful
- * ENOMEM - could not allocated memory.
+ * -ENOMEM - could not allocated memory.
**/
static int
lpfc_sli4_read_rev(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq,
@@ -9724,8 +9731,8 @@ out_fail:
* command to finish before continuing.
*
* On success this function will return a zero. If unable to allocate enough
- * memory this function will return ENOMEM. If the queue create mailbox command
- * fails this function will return ENXIO.
+ * memory this function will return -ENOMEM. If the queue create mailbox command
+ * fails this function will return -ENXIO.
**/
uint32_t
lpfc_eq_create(struct lpfc_hba *phba, struct lpfc_queue *eq, uint16_t imax)
@@ -9840,8 +9847,8 @@ lpfc_eq_create(struct lpfc_hba *phba, st
* command to finish before continuing.
*
* On success this function will return a zero. If unable to allocate enough
- * memory this function will return ENOMEM. If the queue create mailbox command
- * fails this function will return ENXIO.
+ * memory this function will return -ENOMEM. If the queue create mailbox command
+ * fails this function will return -ENXIO.
**/
uint32_t
lpfc_cq_create(struct lpfc_hba *phba, struct lpfc_queue *cq,
@@ -10011,8 +10018,8 @@ lpfc_mq_create_fb_init(struct lpfc_hba *
* command to finish before continuing.
*
* On success this function will return a zero. If unable to allocate enough
- * memory this function will return ENOMEM. If the queue create mailbox command
- * fails this function will return ENXIO.
+ * memory this function will return -ENOMEM. If the queue create mailbox command
+ * fails this function will return -ENXIO.
**/
int32_t
lpfc_mq_create(struct lpfc_hba *phba, struct lpfc_queue *mq,
@@ -10146,8 +10153,8 @@ out:
* command to finish before continuing.
*
* On success this function will return a zero. If unable to allocate enough
- * memory this function will return ENOMEM. If the queue create mailbox command
- * fails this function will return ENXIO.
+ * memory this function will return -ENOMEM. If the queue create mailbox command
+ * fails this function will return -ENXIO.
**/
uint32_t
lpfc_wq_create(struct lpfc_hba *phba, struct lpfc_queue *wq,
@@ -10234,8 +10241,8 @@ out:
* mailbox command to finish before continuing.
*
* On success this function will return a zero. If unable to allocate enough
- * memory this function will return ENOMEM. If the queue create mailbox command
- * fails this function will return ENXIO.
+ * memory this function will return -ENOMEM. If the queue create mailbox command
+ * fails this function will return -ENXIO.
**/
uint32_t
lpfc_rq_create(struct lpfc_hba *phba, struct lpfc_queue *hrq,
@@ -10403,7 +10410,7 @@ out:
* The @eq struct is used to get the queue ID of the queue to destroy.
*
* On success this function will return a zero. If the queue destroy mailbox
- * command fails this function will return ENXIO.
+ * command fails this function will return -ENXIO.
**/
uint32_t
lpfc_eq_destroy(struct lpfc_hba *phba, struct lpfc_queue *eq)
@@ -10458,7 +10465,7 @@ lpfc_eq_destroy(struct lpfc_hba *phba, s
* The @cq struct is used to get the queue ID of the queue to destroy.
*
* On success this function will return a zero. If the queue destroy mailbox
- * command fails this function will return ENXIO.
+ * command fails this function will return -ENXIO.
**/
uint32_t
lpfc_cq_destroy(struct lpfc_hba *phba, struct lpfc_queue *cq)
@@ -10511,7 +10518,7 @@ lpfc_cq_destroy(struct lpfc_hba *phba, s
* The @mq struct is used to get the queue ID of the queue to destroy.
*
* On success this function will return a zero. If the queue destroy mailbox
- * command fails this function will return ENXIO.
+ * command fails this function will return -ENXIO.
**/
uint32_t
lpfc_mq_destroy(struct lpfc_hba *phba, struct lpfc_queue *mq)
@@ -10564,7 +10571,7 @@ lpfc_mq_destroy(struct lpfc_hba *phba, s
* The @wq struct is used to get the queue ID of the queue to destroy.
*
* On success this function will return a zero. If the queue destroy mailbox
- * command fails this function will return ENXIO.
+ * command fails this function will return -ENXIO.
**/
uint32_t
lpfc_wq_destroy(struct lpfc_hba *phba, struct lpfc_queue *wq)
@@ -10616,7 +10623,7 @@ lpfc_wq_destroy(struct lpfc_hba *phba, s
* The @rq struct is used to get the queue ID of the queue to destroy.
*
* On success this function will return a zero. If the queue destroy mailbox
- * command fails this function will return ENXIO.
+ * command fails this function will return -ENXIO.
**/
uint32_t
lpfc_rq_destroy(struct lpfc_hba *phba, struct lpfc_queue *hrq,
@@ -11819,7 +11826,7 @@ lpfc_sli4_handle_received_buffer(struct
*
* Return codes
* 0 - successful
- * EIO - The mailbox failed to complete successfully.
+ * -EIO - The mailbox failed to complete successfully.
* When this error occurs, the driver is not guaranteed
* to have any rpi regions posted to the device and
* must either attempt to repost the regions or take a
@@ -11857,8 +11864,8 @@ lpfc_sli4_post_all_rpi_hdrs(struct lpfc_
*
* Return codes
* 0 - successful
- * ENOMEM - No available memory
- * EIO - The mailbox failed to complete successfully.
+ * -ENOMEM - No available memory
+ * -EIO - The mailbox failed to complete successfully.
**/
int
lpfc_sli4_post_rpi_hdr(struct lpfc_hba *phba, struct lpfc_rpi_hdr *rpi_page)
@@ -12805,8 +12812,11 @@ lpfc_cleanup_pending_mbox(struct lpfc_vp
LPFC_MBOXQ_t *mb, *nextmb;
struct lpfc_dmabuf *mp;
struct lpfc_nodelist *ndlp;
+ struct lpfc_nodelist *act_mbx_ndlp = NULL;
struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
+ LIST_HEAD(mbox_cmd_list);
+ /* Clean up internally queued mailbox commands with the vport */
spin_lock_irq(&phba->hbalock);
list_for_each_entry_safe(mb, nextmb, &phba->sli.mboxq, list) {
if (mb->vport != vport)
@@ -12816,6 +12826,28 @@ lpfc_cleanup_pending_mbox(struct lpfc_vp
(mb->u.mb.mbxCommand != MBX_REG_VPI))
continue;
+ list_del(&mb->list);
+ list_add_tail(&mb->list, &mbox_cmd_list);
+ }
+ /* Clean up active mailbox command with the vport */
+ 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;
+ if (mb->u.mb.mbxCommand == MBX_REG_LOGIN64) {
+ act_mbx_ndlp = (struct lpfc_nodelist *)mb->context2;
+ /* Put reference count for delayed processing */
+ act_mbx_ndlp = lpfc_nlp_get(act_mbx_ndlp);
+ /* Unregister the RPI when mailbox complete */
+ mb->mbox_flag |= LPFC_MBX_IMED_UNREG;
+ }
+ }
+ spin_unlock_irq(&phba->hbalock);
+
+ /* Release the cleaned-up mailbox commands */
+ while (!list_empty(&mbox_cmd_list)) {
+ list_remove_head(&mbox_cmd_list, mb, LPFC_MBOXQ_t, list);
if (mb->u.mb.mbxCommand == MBX_REG_LOGIN64) {
if (phba->sli_rev == LPFC_SLI_REV4)
__lpfc_sli4_free_rpi(phba,
@@ -12826,36 +12858,24 @@ lpfc_cleanup_pending_mbox(struct lpfc_vp
kfree(mp);
}
ndlp = (struct lpfc_nodelist *) mb->context2;
+ mb->context2 = NULL;
if (ndlp) {
spin_lock(shost->host_lock);
ndlp->nlp_flag &= ~NLP_IGNR_REG_CMPL;
spin_unlock(shost->host_lock);
lpfc_nlp_put(ndlp);
- mb->context2 = NULL;
}
}
- 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;
- if (mb->u.mb.mbxCommand == MBX_REG_LOGIN64) {
- ndlp = (struct lpfc_nodelist *) mb->context2;
- if (ndlp) {
- spin_lock(shost->host_lock);
- ndlp->nlp_flag &= ~NLP_IGNR_REG_CMPL;
- spin_unlock(shost->host_lock);
- lpfc_nlp_put(ndlp);
- mb->context2 = NULL;
- }
- /* Unregister the RPI when mailbox complete */
- mb->mbox_flag |= LPFC_MBX_IMED_UNREG;
- }
+
+ /* Release the ndlp with the cleaned-up active mailbox command */
+ if (act_mbx_ndlp) {
+ spin_lock(shost->host_lock);
+ act_mbx_ndlp->nlp_flag &= ~NLP_IGNR_REG_CMPL;
+ spin_unlock(shost->host_lock);
+ lpfc_nlp_put(act_mbx_ndlp);
}
- spin_unlock_irq(&phba->hbalock);
}
/**
diff -upNr a/drivers/scsi/lpfc/lpfc_vport.c b/drivers/scsi/lpfc/lpfc_vport.c
--- a/drivers/scsi/lpfc/lpfc_vport.c 2010-08-04 10:31:45.000000000 -0400
+++ b/drivers/scsi/lpfc/lpfc_vport.c 2010-09-29 10:07:23.000000000 -0400
@@ -580,7 +580,9 @@ lpfc_vport_delete(struct fc_vport *fc_vp
"static vport.\n");
return VPORT_ERROR;
}
-
+ spin_lock_irq(&phba->hbalock);
+ vport->load_flag |= FC_UNLOADING;
+ spin_unlock_irq(&phba->hbalock);
/*
* If we are not unloading the driver then prevent the vport_delete
* from happening until after this vport's discovery is finished.
@@ -618,10 +620,6 @@ lpfc_vport_delete(struct fc_vport *fc_vp
scsi_host_put(shost);
return VPORT_INVAL;
}
- spin_lock_irq(&phba->hbalock);
- vport->load_flag |= FC_UNLOADING;
- spin_unlock_irq(&phba->hbalock);
-
lpfc_free_sysfs_attr(vport);
lpfc_debugfs_terminate(vport);
--
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