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path: root/drivers/scsi/lpfc/lpfc_bsg.c
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Diffstat (limited to 'drivers/scsi/lpfc/lpfc_bsg.c')
-rw-r--r--drivers/scsi/lpfc/lpfc_bsg.c147
1 files changed, 107 insertions, 40 deletions
diff --git a/drivers/scsi/lpfc/lpfc_bsg.c b/drivers/scsi/lpfc/lpfc_bsg.c
index 49d0cf99c24c..f5d60b55f53a 100644
--- a/drivers/scsi/lpfc/lpfc_bsg.c
+++ b/drivers/scsi/lpfc/lpfc_bsg.c
@@ -259,6 +259,7 @@ lpfc_bsg_send_mgmt_cmd(struct fc_bsg_job *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 *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 *job)
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, struct fc_bsg_job *job, uint32_t tag,
/* Allocate buffer for command iocb */
ctiocb = lpfc_sli_get_iocbq(phba);
if (!ctiocb) {
- rc = ENOMEM;
+ rc = -ENOMEM;
goto no_ctiocb;
}
@@ -1518,7 +1518,7 @@ lpfc_bsg_diag_mode(struct fc_bsg_job *job)
loopback_mode = (struct diag_mode_set *)
job->request->rqst_data.h_vendor.vendor_cmd;
link_flags = loopback_mode->type;
- timeout = loopback_mode->timeout;
+ timeout = loopback_mode->timeout * 100;
if ((phba->link_state == LPFC_HBA_ERROR) ||
(psli->sli_flag & LPFC_BLOCK_MGMT_IO) ||
@@ -1649,17 +1649,18 @@ static int lpfcdiag_loop_self_reg(struct lpfc_hba *phba, uint16_t * rpi)
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 lpfc_hba *phba, uint16_t * rpi)
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(struct lpfc_hba *phba, uint16_t rpi)
/* 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(struct lpfc_hba *phba, uint16_t rpi)
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 lpfc_hba *phba, uint16_t rpi,
struct ulp_bde64 *bpl = NULL;
struct lpfc_sli_ct_request *ctreq = NULL;
int ret_val = 0;
+ int time_left;
+ int iocb_stat = 0;
unsigned long flags;
*txxri = 0;
@@ -1737,7 +1740,7 @@ static int lpfcdiag_loop_get_xri(struct lpfc_hba *phba, uint16_t rpi,
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 lpfc_hba *phba, uint16_t rpi,
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 lpfc_hba *phba, uint16_t rpi,
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(struct lpfc_hba *phba, uint16_t rxxri,
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(struct lpfc_hba *phba, uint16_t rxxri,
}
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(struct lpfc_hba *phba, uint16_t rxxri,
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(struct lpfc_hba *phba, uint16_t rxxri,
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 *job)
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 *job)
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 *job)
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);
@@ -2470,6 +2473,17 @@ lpfc_bsg_wake_mbox_wait(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmboxq)
to += sizeof(MAILBOX_t);
size = pmboxq->u.mb.un.varWords[5];
memcpy(to, from, size);
+ } else if ((phba->sli_rev == LPFC_SLI_REV4) &&
+ (pmboxq->u.mb.mbxCommand == MBX_SLI4_CONFIG)) {
+ struct lpfc_mbx_nembed_cmd *nembed_sge =
+ (struct lpfc_mbx_nembed_cmd *)
+ &pmboxq->u.mb.un.varWords[0];
+
+ from = (uint8_t *)dd_data->context_un.mbox.dmp->dma.
+ virt;
+ to += sizeof(MAILBOX_t);
+ size = nembed_sge->sge[0].length;
+ memcpy(to, from, size);
} else if (pmboxq->u.mb.mbxCommand == MBX_READ_EVENT_LOG) {
from = (uint8_t *)dd_data->context_un.
mbox.dmp->dma.virt;
@@ -2911,6 +2925,59 @@ lpfc_bsg_issue_mbox(struct lpfc_hba *phba, struct fc_bsg_job *job,
from += sizeof(MAILBOX_t);
memcpy((uint8_t *)dmp->dma.virt, from,
bde->tus.f.bdeSize);
+ } else if (pmb->mbxCommand == MBX_SLI4_CONFIG) {
+ struct lpfc_mbx_nembed_cmd *nembed_sge;
+ struct mbox_header *header;
+ uint32_t receive_length;
+
+ /* rebuild the command for sli4 using our own buffers
+ * like we do for biu diags
+ */
+ header = (struct mbox_header *)&pmb->un.varWords[0];
+ nembed_sge = (struct lpfc_mbx_nembed_cmd *)
+ &pmb->un.varWords[0];
+ receive_length = nembed_sge->sge[0].length;
+
+ /* receive length cannot be greater than mailbox
+ * extension size
+ */
+ if ((receive_length == 0) ||
+ (receive_length > MAILBOX_EXT_SIZE)) {
+ rc = -ERANGE;
+ goto job_done;
+ }
+
+ rxbmp = kmalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL);
+ if (!rxbmp) {
+ rc = -ENOMEM;
+ goto job_done;
+ }
+
+ rxbmp->virt = lpfc_mbuf_alloc(phba, 0, &rxbmp->phys);
+ if (!rxbmp->virt) {
+ rc = -ENOMEM;
+ goto job_done;
+ }
+
+ INIT_LIST_HEAD(&rxbmp->list);
+ rxbpl = (struct ulp_bde64 *) rxbmp->virt;
+ dmp = diag_cmd_data_alloc(phba, rxbpl, receive_length,
+ 0);
+ if (!dmp) {
+ rc = -ENOMEM;
+ goto job_done;
+ }
+
+ INIT_LIST_HEAD(&dmp->dma.list);
+ nembed_sge->sge[0].pa_hi = putPaddrHigh(dmp->dma.phys);
+ nembed_sge->sge[0].pa_lo = putPaddrLow(dmp->dma.phys);
+ /* copy the transmit data found in the mailbox
+ * extension area
+ */
+ from = (uint8_t *)mb;
+ from += sizeof(MAILBOX_t);
+ memcpy((uint8_t *)dmp->dma.virt, from,
+ header->cfg_mhdr.payload_length);
}
}