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path: root/drivers/scsi/lpfc/lpfc_scsi.c
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Diffstat (limited to 'drivers/scsi/lpfc/lpfc_scsi.c')
-rw-r--r--drivers/scsi/lpfc/lpfc_scsi.c86
1 files changed, 66 insertions, 20 deletions
diff --git a/drivers/scsi/lpfc/lpfc_scsi.c b/drivers/scsi/lpfc/lpfc_scsi.c
index f4a3b2e79eea..c818a7255962 100644
--- a/drivers/scsi/lpfc/lpfc_scsi.c
+++ b/drivers/scsi/lpfc/lpfc_scsi.c
@@ -623,6 +623,7 @@ lpfc_sli4_fcp_xri_aborted(struct lpfc_hba *phba,
unsigned long iflag = 0;
struct lpfc_iocbq *iocbq;
int i;
+ struct lpfc_sli_ring *pring = &phba->sli.ring[LPFC_ELS_RING];
spin_lock_irqsave(&phba->hbalock, iflag);
spin_lock(&phba->sli4_hba.abts_scsi_buf_list_lock);
@@ -651,6 +652,8 @@ lpfc_sli4_fcp_xri_aborted(struct lpfc_hba *phba,
psb = container_of(iocbq, struct lpfc_scsi_buf, cur_iocbq);
psb->exch_busy = 0;
spin_unlock_irqrestore(&phba->hbalock, iflag);
+ if (pring->txq_cnt)
+ lpfc_worker_wake_up(phba);
return;
}
@@ -747,7 +750,6 @@ lpfc_new_scsi_buf_s4(struct lpfc_vport *vport, int num_to_alloc)
int status = 0, index;
int bcnt;
int non_sequential_xri = 0;
- int rc = 0;
LIST_HEAD(sblist);
for (bcnt = 0; bcnt < num_to_alloc; bcnt++) {
@@ -774,6 +776,8 @@ lpfc_new_scsi_buf_s4(struct lpfc_vport *vport, int num_to_alloc)
/* Allocate iotag for psb->cur_iocbq. */
iotag = lpfc_sli_next_iotag(phba, &psb->cur_iocbq);
if (iotag == 0) {
+ pci_pool_free(phba->lpfc_scsi_dma_buf_pool,
+ psb->data, psb->dma_handle);
kfree(psb);
break;
}
@@ -858,7 +862,6 @@ lpfc_new_scsi_buf_s4(struct lpfc_vport *vport, int num_to_alloc)
if (status) {
/* Put this back on the abort scsi list */
psb->exch_busy = 1;
- rc++;
} else {
psb->exch_busy = 0;
psb->status = IOSTAT_SUCCESS;
@@ -877,7 +880,6 @@ lpfc_new_scsi_buf_s4(struct lpfc_vport *vport, int num_to_alloc)
if (status) {
/* Put this back on the abort scsi list */
psb->exch_busy = 1;
- rc++;
} else {
psb->exch_busy = 0;
psb->status = IOSTAT_SUCCESS;
@@ -887,7 +889,7 @@ lpfc_new_scsi_buf_s4(struct lpfc_vport *vport, int num_to_alloc)
}
}
- return bcnt + non_sequential_xri - rc;
+ return bcnt + non_sequential_xri;
}
/**
@@ -1323,6 +1325,10 @@ lpfc_bg_setup_bpl(struct lpfc_hba *phba, struct scsi_cmnd *sc,
bf_set(pde5_type, pde5, LPFC_PDE5_DESCRIPTOR);
pde5->reftag = reftag;
+ /* Endian convertion if necessary for PDE5 */
+ pde5->word0 = cpu_to_le32(pde5->word0);
+ pde5->reftag = cpu_to_le32(pde5->reftag);
+
/* advance bpl and increment bde count */
num_bde++;
bpl++;
@@ -1341,6 +1347,11 @@ lpfc_bg_setup_bpl(struct lpfc_hba *phba, struct scsi_cmnd *sc,
bf_set(pde6_ai, pde6, 1);
bf_set(pde6_apptagval, pde6, apptagval);
+ /* Endian convertion if necessary for PDE6 */
+ pde6->word0 = cpu_to_le32(pde6->word0);
+ pde6->word1 = cpu_to_le32(pde6->word1);
+ pde6->word2 = cpu_to_le32(pde6->word2);
+
/* advance bpl and increment bde count */
num_bde++;
bpl++;
@@ -1448,6 +1459,10 @@ lpfc_bg_setup_bpl_prot(struct lpfc_hba *phba, struct scsi_cmnd *sc,
bf_set(pde5_type, pde5, LPFC_PDE5_DESCRIPTOR);
pde5->reftag = reftag;
+ /* Endian convertion if necessary for PDE5 */
+ pde5->word0 = cpu_to_le32(pde5->word0);
+ pde5->reftag = cpu_to_le32(pde5->reftag);
+
/* advance bpl and increment bde count */
num_bde++;
bpl++;
@@ -1464,6 +1479,11 @@ lpfc_bg_setup_bpl_prot(struct lpfc_hba *phba, struct scsi_cmnd *sc,
bf_set(pde6_ai, pde6, 1);
bf_set(pde6_apptagval, pde6, apptagval);
+ /* Endian convertion if necessary for PDE6 */
+ pde6->word0 = cpu_to_le32(pde6->word0);
+ pde6->word1 = cpu_to_le32(pde6->word1);
+ pde6->word2 = cpu_to_le32(pde6->word2);
+
/* advance bpl and increment bde count */
num_bde++;
bpl++;
@@ -1475,7 +1495,6 @@ lpfc_bg_setup_bpl_prot(struct lpfc_hba *phba, struct scsi_cmnd *sc,
prot_bde->addrLow = le32_to_cpu(putPaddrHigh(protphysaddr));
protgroup_len = sg_dma_len(sgpe);
-
/* must be integer multiple of the DIF block length */
BUG_ON(protgroup_len % 8);
@@ -2293,15 +2312,21 @@ lpfc_scsi_cmd_iocb_cmpl(struct lpfc_hba *phba, struct lpfc_iocbq *pIocbIn,
struct lpfc_vport *vport = pIocbIn->vport;
struct lpfc_rport_data *rdata = lpfc_cmd->rdata;
struct lpfc_nodelist *pnode = rdata->pnode;
- struct scsi_cmnd *cmd = lpfc_cmd->pCmd;
+ struct scsi_cmnd *cmd;
int result;
struct scsi_device *tmp_sdev;
int depth;
unsigned long flags;
struct lpfc_fast_path_event *fast_path_evt;
- struct Scsi_Host *shost = cmd->device->host;
+ struct Scsi_Host *shost;
uint32_t queue_depth, scsi_id;
+ /* Sanity check on return of outstanding command */
+ if (!(lpfc_cmd->pCmd))
+ return;
+ cmd = lpfc_cmd->pCmd;
+ shost = cmd->device->host;
+
lpfc_cmd->result = pIocbOut->iocb.un.ulpWord[4];
lpfc_cmd->status = pIocbOut->iocb.ulpStatus;
/* pick up SLI4 exhange busy status from HBA */
@@ -2363,7 +2388,8 @@ lpfc_scsi_cmd_iocb_cmpl(struct lpfc_hba *phba, struct lpfc_iocbq *pIocbIn,
case IOSTAT_LOCAL_REJECT:
if (lpfc_cmd->result == IOERR_INVALID_RPI ||
lpfc_cmd->result == IOERR_NO_RESOURCES ||
- lpfc_cmd->result == IOERR_ABORT_REQUESTED) {
+ lpfc_cmd->result == IOERR_ABORT_REQUESTED ||
+ lpfc_cmd->result == IOERR_SLER_CMD_RCV_FAILURE) {
cmd->result = ScsiResult(DID_REQUEUE, 0);
break;
}
@@ -2432,14 +2458,16 @@ lpfc_scsi_cmd_iocb_cmpl(struct lpfc_hba *phba, struct lpfc_iocbq *pIocbIn,
}
spin_unlock_irqrestore(shost->host_lock, flags);
} else if (pnode && NLP_CHK_NODE_ACT(pnode)) {
- if ((pnode->cmd_qdepth < LPFC_MAX_TGT_QDEPTH) &&
+ if ((pnode->cmd_qdepth < vport->cfg_tgt_queue_depth) &&
time_after(jiffies, pnode->last_change_time +
msecs_to_jiffies(LPFC_TGTQ_INTERVAL))) {
spin_lock_irqsave(shost->host_lock, flags);
- pnode->cmd_qdepth += pnode->cmd_qdepth *
- LPFC_TGTQ_RAMPUP_PCENT / 100;
- if (pnode->cmd_qdepth > LPFC_MAX_TGT_QDEPTH)
- pnode->cmd_qdepth = LPFC_MAX_TGT_QDEPTH;
+ depth = pnode->cmd_qdepth * LPFC_TGTQ_RAMPUP_PCENT
+ / 100;
+ depth = depth ? depth : 1;
+ pnode->cmd_qdepth += depth;
+ if (pnode->cmd_qdepth > vport->cfg_tgt_queue_depth)
+ pnode->cmd_qdepth = vport->cfg_tgt_queue_depth;
pnode->last_change_time = jiffies;
spin_unlock_irqrestore(shost->host_lock, flags);
}
@@ -2894,8 +2922,7 @@ lpfc_queuecommand(struct scsi_cmnd *cmnd, void (*done) (struct scsi_cmnd *))
cmnd->result = ScsiResult(DID_TRANSPORT_DISRUPTED, 0);
goto out_fail_command;
}
- if (vport->cfg_max_scsicmpl_time &&
- (atomic_read(&ndlp->cmd_pending) >= ndlp->cmd_qdepth))
+ if (atomic_read(&ndlp->cmd_pending) >= ndlp->cmd_qdepth)
goto out_host_busy;
lpfc_cmd = lpfc_get_scsi_buf(phba);
@@ -3041,7 +3068,9 @@ lpfc_abort_handler(struct scsi_cmnd *cmnd)
int ret = SUCCESS;
DECLARE_WAIT_QUEUE_HEAD_ONSTACK(waitq);
- fc_block_scsi_eh(cmnd);
+ ret = fc_block_scsi_eh(cmnd);
+ if (ret)
+ return ret;
lpfc_cmd = (struct lpfc_scsi_buf *)cmnd->host_scribble;
BUG_ON(!lpfc_cmd);
@@ -3225,7 +3254,9 @@ lpfc_send_taskmgmt(struct lpfc_vport *vport, struct lpfc_rport_data *rdata,
lpfc_taskmgmt_name(task_mgmt_cmd),
tgt_id, lun_id, iocbqrsp->iocb.ulpStatus,
iocbqrsp->iocb.un.ulpWord[4]);
- } else
+ } else if (status == IOCB_BUSY)
+ ret = FAILED;
+ else
ret = SUCCESS;
lpfc_sli_release_iocbq(phba, iocbqrsp);
@@ -3357,7 +3388,9 @@ lpfc_device_reset_handler(struct scsi_cmnd *cmnd)
return FAILED;
}
pnode = rdata->pnode;
- fc_block_scsi_eh(cmnd);
+ status = fc_block_scsi_eh(cmnd);
+ if (status)
+ return status;
status = lpfc_chk_tgt_mapped(vport, cmnd);
if (status == FAILED) {
@@ -3422,7 +3455,9 @@ lpfc_target_reset_handler(struct scsi_cmnd *cmnd)
return FAILED;
}
pnode = rdata->pnode;
- fc_block_scsi_eh(cmnd);
+ status = fc_block_scsi_eh(cmnd);
+ if (status)
+ return status;
status = lpfc_chk_tgt_mapped(vport, cmnd);
if (status == FAILED) {
@@ -3488,7 +3523,9 @@ lpfc_bus_reset_handler(struct scsi_cmnd *cmnd)
fc_host_post_vendor_event(shost, fc_get_event_number(),
sizeof(scsi_event), (char *)&scsi_event, LPFC_NL_VENDOR_ID);
- fc_block_scsi_eh(cmnd);
+ ret = fc_block_scsi_eh(cmnd);
+ if (ret)
+ return ret;
/*
* Since the driver manages a single bus device, reset all
@@ -3561,11 +3598,13 @@ lpfc_slave_alloc(struct scsi_device *sdev)
uint32_t total = 0;
uint32_t num_to_alloc = 0;
int num_allocated = 0;
+ uint32_t sdev_cnt;
if (!rport || fc_remote_port_chkready(rport))
return -ENXIO;
sdev->hostdata = rport->dd_data;
+ sdev_cnt = atomic_inc_return(&phba->sdev_cnt);
/*
* Populate the cmds_per_lun count scsi_bufs into this host's globally
@@ -3577,6 +3616,10 @@ lpfc_slave_alloc(struct scsi_device *sdev)
total = phba->total_scsi_bufs;
num_to_alloc = vport->cfg_lun_queue_depth + 2;
+ /* If allocated buffers are enough do nothing */
+ if ((sdev_cnt * (vport->cfg_lun_queue_depth + 2)) < total)
+ return 0;
+
/* Allow some exchanges to be available always to complete discovery */
if (total >= phba->cfg_hba_queue_depth - LPFC_DISC_IOCB_BUFF_COUNT ) {
lpfc_printf_vlog(vport, KERN_WARNING, LOG_FCP,
@@ -3658,6 +3701,9 @@ lpfc_slave_configure(struct scsi_device *sdev)
static void
lpfc_slave_destroy(struct scsi_device *sdev)
{
+ struct lpfc_vport *vport = (struct lpfc_vport *) sdev->host->hostdata;
+ struct lpfc_hba *phba = vport->phba;
+ atomic_dec(&phba->sdev_cnt);
sdev->hostdata = NULL;
return;
}
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.