#include "lpfc.h"
#include "lpfc_logmsg.h"
#include "lpfc_crtn.h"
+#include "lpfc_vport.h"
#define LPFC_RESET_WAIT 2
#define LPFC_ABORT_WAIT 2
+/*
+ * This function is called with no lock held when there is a resource
+ * error in driver or in firmware.
+ */
+void
+lpfc_adjust_queue_depth(struct lpfc_hba *phba)
+{
+ unsigned long flags;
+
+ spin_lock_irqsave(&phba->hbalock, flags);
+ atomic_inc(&phba->num_rsrc_err);
+ phba->last_rsrc_error_time = jiffies;
+
+ if ((phba->last_ramp_down_time + QUEUE_RAMP_DOWN_INTERVAL) > jiffies) {
+ spin_unlock_irqrestore(&phba->hbalock, flags);
+ return;
+ }
+
+ phba->last_ramp_down_time = jiffies;
+
+ spin_unlock_irqrestore(&phba->hbalock, flags);
+
+ spin_lock_irqsave(&phba->pport->work_port_lock, flags);
+ if ((phba->pport->work_port_events &
+ WORKER_RAMP_DOWN_QUEUE) == 0) {
+ phba->pport->work_port_events |= WORKER_RAMP_DOWN_QUEUE;
+ }
+ spin_unlock_irqrestore(&phba->pport->work_port_lock, flags);
+
+ spin_lock_irqsave(&phba->hbalock, flags);
+ if (phba->work_wait)
+ wake_up(phba->work_wait);
+ spin_unlock_irqrestore(&phba->hbalock, flags);
+
+ return;
+}
+
+/*
+ * This function is called with no lock held when there is a successful
+ * SCSI command completion.
+ */
+static inline void
+lpfc_rampup_queue_depth(struct lpfc_hba *phba,
+ struct scsi_device *sdev)
+{
+ unsigned long flags;
+ atomic_inc(&phba->num_cmd_success);
+
+ if (phba->cfg_lun_queue_depth <= sdev->queue_depth)
+ return;
+
+ spin_lock_irqsave(&phba->hbalock, flags);
+ if (((phba->last_ramp_up_time + QUEUE_RAMP_UP_INTERVAL) > jiffies) ||
+ ((phba->last_rsrc_error_time + QUEUE_RAMP_UP_INTERVAL ) > jiffies)) {
+ spin_unlock_irqrestore(&phba->hbalock, flags);
+ return;
+ }
+
+ phba->last_ramp_up_time = jiffies;
+ spin_unlock_irqrestore(&phba->hbalock, flags);
+
+ spin_lock_irqsave(&phba->pport->work_port_lock, flags);
+ if ((phba->pport->work_port_events &
+ WORKER_RAMP_UP_QUEUE) == 0) {
+ phba->pport->work_port_events |= WORKER_RAMP_UP_QUEUE;
+ }
+ spin_unlock_irqrestore(&phba->pport->work_port_lock, flags);
+
+ spin_lock_irqsave(&phba->hbalock, flags);
+ if (phba->work_wait)
+ wake_up(phba->work_wait);
+ spin_unlock_irqrestore(&phba->hbalock, flags);
+}
+
+void
+lpfc_ramp_down_queue_handler(struct lpfc_hba *phba)
+{
+ struct lpfc_vport *vport;
+ struct Scsi_Host *host;
+ struct scsi_device *sdev;
+ unsigned long new_queue_depth;
+ unsigned long num_rsrc_err, num_cmd_success;
+
+ num_rsrc_err = atomic_read(&phba->num_rsrc_err);
+ num_cmd_success = atomic_read(&phba->num_cmd_success);
+
+ spin_lock_irq(&phba->hbalock);
+ list_for_each_entry(vport, &phba->port_list, listentry) {
+ host = lpfc_shost_from_vport(vport);
+ if (!scsi_host_get(host))
+ continue;
+
+ spin_unlock_irq(&phba->hbalock);
+
+ shost_for_each_device(sdev, host) {
+ new_queue_depth = sdev->queue_depth * num_rsrc_err /
+ (num_rsrc_err + num_cmd_success);
+ if (!new_queue_depth)
+ new_queue_depth = sdev->queue_depth - 1;
+ else
+ new_queue_depth =
+ sdev->queue_depth - new_queue_depth;
+
+ if (sdev->ordered_tags)
+ scsi_adjust_queue_depth(sdev, MSG_ORDERED_TAG,
+ new_queue_depth);
+ else
+ scsi_adjust_queue_depth(sdev, MSG_SIMPLE_TAG,
+ new_queue_depth);
+ }
+ spin_lock_irq(&phba->hbalock);
+ scsi_host_put(host);
+ }
+ spin_unlock_irq(&phba->hbalock);
+ atomic_set(&phba->num_rsrc_err, 0);
+ atomic_set(&phba->num_cmd_success, 0);
+}
+
+void
+lpfc_ramp_up_queue_handler(struct lpfc_hba *phba)
+{
+ struct lpfc_vport *vport;
+ struct Scsi_Host *host;
+ struct scsi_device *sdev;
+
+ spin_lock_irq(&phba->hbalock);
+ list_for_each_entry(vport, &phba->port_list, listentry) {
+ host = lpfc_shost_from_vport(vport);
+ if (!scsi_host_get(host))
+ continue;
+
+ spin_unlock_irq(&phba->hbalock);
+ shost_for_each_device(sdev, host) {
+ if (sdev->ordered_tags)
+ scsi_adjust_queue_depth(sdev, MSG_ORDERED_TAG,
+ sdev->queue_depth+1);
+ else
+ scsi_adjust_queue_depth(sdev, MSG_SIMPLE_TAG,
+ sdev->queue_depth+1);
+ }
+ spin_lock_irq(&phba->hbalock);
+ scsi_host_put(host);
+ }
+ spin_unlock_irq(&phba->hbalock);
+ atomic_set(&phba->num_rsrc_err, 0);
+ atomic_set(&phba->num_cmd_success, 0);
+}
/*
* This routine allocates a scsi buffer, which contains all the necessary
* and the BPL BDE is setup in the IOCB.
*/
static struct lpfc_scsi_buf *
-lpfc_new_scsi_buf(struct lpfc_hba * phba)
+lpfc_new_scsi_buf(struct lpfc_vport *vport)
{
+ struct lpfc_hba *phba = vport->phba;
struct lpfc_scsi_buf *psb;
struct ulp_bde64 *bpl;
IOCB_t *iocb;
if (!psb)
return NULL;
memset(psb, 0, sizeof (struct lpfc_scsi_buf));
- psb->scsi_hba = phba;
/*
* Get memory from the pci pool to map the virt space to pci bus space
}
static void
-lpfc_release_scsi_buf(struct lpfc_hba * phba, struct lpfc_scsi_buf * psb)
+lpfc_release_scsi_buf(struct lpfc_hba *phba, struct lpfc_scsi_buf *psb)
{
unsigned long iflag = 0;
}
static int
-lpfc_scsi_prep_dma_buf(struct lpfc_hba * phba, struct lpfc_scsi_buf * lpfc_cmd)
+lpfc_scsi_prep_dma_buf(struct lpfc_hba *phba, struct lpfc_scsi_buf *lpfc_cmd)
{
struct scsi_cmnd *scsi_cmnd = lpfc_cmd->pCmd;
struct scatterlist *sgel = NULL;
IOCB_t *iocb_cmd = &lpfc_cmd->cur_iocbq.iocb;
dma_addr_t physaddr;
uint32_t i, num_bde = 0;
- int datadir = scsi_cmnd->sc_data_direction;
- int dma_error;
+ int nseg, datadir = scsi_cmnd->sc_data_direction;
/*
* There are three possibilities here - use scatter-gather segment, use
* data bde entry.
*/
bpl += 2;
- if (scsi_cmnd->use_sg) {
+ if (scsi_sg_count(scsi_cmnd)) {
/*
* The driver stores the segment count returned from pci_map_sg
* because this a count of dma-mappings used to map the use_sg
* pages. They are not guaranteed to be the same for those
* architectures that implement an IOMMU.
*/
- sgel = (struct scatterlist *)scsi_cmnd->request_buffer;
- lpfc_cmd->seg_cnt = dma_map_sg(&phba->pcidev->dev, sgel,
- scsi_cmnd->use_sg, datadir);
- if (lpfc_cmd->seg_cnt == 0)
+
+ nseg = dma_map_sg(&phba->pcidev->dev, scsi_sglist(scsi_cmnd),
+ scsi_sg_count(scsi_cmnd), datadir);
+ if (unlikely(!nseg))
return 1;
+ lpfc_cmd->seg_cnt = nseg;
if (lpfc_cmd->seg_cnt > phba->cfg_sg_seg_cnt) {
printk(KERN_ERR "%s: Too many sg segments from "
"dma_map_sg. Config %d, seg_cnt %d",
__FUNCTION__, phba->cfg_sg_seg_cnt,
lpfc_cmd->seg_cnt);
- dma_unmap_sg(&phba->pcidev->dev, sgel,
- lpfc_cmd->seg_cnt, datadir);
+ scsi_dma_unmap(scsi_cmnd);
return 1;
}
* single scsi command. Just run through the seg_cnt and format
* the bde's.
*/
- for (i = 0; i < lpfc_cmd->seg_cnt; i++) {
+ scsi_for_each_sg(scsi_cmnd, sgel, nseg, i) {
physaddr = sg_dma_address(sgel);
bpl->addrLow = le32_to_cpu(putPaddrLow(physaddr));
bpl->addrHigh = le32_to_cpu(putPaddrHigh(physaddr));
bpl->tus.f.bdeFlags = BUFF_USE_RCV;
bpl->tus.w = le32_to_cpu(bpl->tus.w);
bpl++;
- sgel++;
num_bde++;
}
- } else if (scsi_cmnd->request_buffer && scsi_cmnd->request_bufflen) {
- physaddr = dma_map_single(&phba->pcidev->dev,
- scsi_cmnd->request_buffer,
- scsi_cmnd->request_bufflen,
- datadir);
- dma_error = dma_mapping_error(physaddr);
- if (dma_error) {
- lpfc_printf_log(phba, KERN_ERR, LOG_FCP,
- "%d:0718 Unable to dma_map_single "
- "request_buffer: x%x\n",
- phba->brd_no, dma_error);
- return 1;
- }
-
- lpfc_cmd->nonsg_phys = physaddr;
- bpl->addrLow = le32_to_cpu(putPaddrLow(physaddr));
- bpl->addrHigh = le32_to_cpu(putPaddrHigh(physaddr));
- bpl->tus.f.bdeSize = scsi_cmnd->request_bufflen;
- if (datadir == DMA_TO_DEVICE)
- bpl->tus.f.bdeFlags = 0;
- else
- bpl->tus.f.bdeFlags = BUFF_USE_RCV;
- bpl->tus.w = le32_to_cpu(bpl->tus.w);
- num_bde = 1;
- bpl++;
}
/*
(num_bde * sizeof (struct ulp_bde64));
iocb_cmd->ulpBdeCount = 1;
iocb_cmd->ulpLe = 1;
- fcp_cmnd->fcpDl = be32_to_cpu(scsi_cmnd->request_bufflen);
+ fcp_cmnd->fcpDl = be32_to_cpu(scsi_bufflen(scsi_cmnd));
return 0;
}
* a request buffer, but did not request use_sg. There is a third
* case, but it does not require resource deallocation.
*/
- if ((psb->seg_cnt > 0) && (psb->pCmd->use_sg)) {
- dma_unmap_sg(&phba->pcidev->dev, psb->pCmd->request_buffer,
- psb->seg_cnt, psb->pCmd->sc_data_direction);
- } else {
- if ((psb->nonsg_phys) && (psb->pCmd->request_bufflen)) {
- dma_unmap_single(&phba->pcidev->dev, psb->nonsg_phys,
- psb->pCmd->request_bufflen,
- psb->pCmd->sc_data_direction);
- }
- }
+ if (psb->seg_cnt > 0)
+ scsi_dma_unmap(psb->pCmd);
}
static void
-lpfc_handle_fcp_err(struct lpfc_scsi_buf *lpfc_cmd, struct lpfc_iocbq *rsp_iocb)
+lpfc_handle_fcp_err(struct lpfc_vport *vport, struct lpfc_scsi_buf *lpfc_cmd,
+ struct lpfc_iocbq *rsp_iocb)
{
struct scsi_cmnd *cmnd = lpfc_cmd->pCmd;
struct fcp_cmnd *fcpcmd = lpfc_cmd->fcp_cmnd;
struct fcp_rsp *fcprsp = lpfc_cmd->fcp_rsp;
- struct lpfc_hba *phba = lpfc_cmd->scsi_hba;
+ struct lpfc_hba *phba = vport->phba;
uint32_t fcpi_parm = rsp_iocb->iocb.un.fcpi.fcpi_parm;
+ uint32_t vpi = vport->vpi;
uint32_t resp_info = fcprsp->rspStatus2;
uint32_t scsi_status = fcprsp->rspStatus3;
uint32_t *lp;
logit = LOG_FCP;
lpfc_printf_log(phba, KERN_WARNING, logit,
- "%d:0730 FCP command x%x failed: x%x SNS x%x x%x "
+ "%d (%d):0730 FCP command x%x failed: x%x SNS x%x x%x "
"Data: x%x x%x x%x x%x x%x\n",
- phba->brd_no, cmnd->cmnd[0], scsi_status,
+ phba->brd_no, vpi, cmnd->cmnd[0], scsi_status,
be32_to_cpu(*lp), be32_to_cpu(*(lp + 3)), resp_info,
be32_to_cpu(fcprsp->rspResId),
be32_to_cpu(fcprsp->rspSnsLen),
}
}
- cmnd->resid = 0;
+ scsi_set_resid(cmnd, 0);
if (resp_info & RESID_UNDER) {
- cmnd->resid = be32_to_cpu(fcprsp->rspResId);
+ scsi_set_resid(cmnd, be32_to_cpu(fcprsp->rspResId));
lpfc_printf_log(phba, KERN_INFO, LOG_FCP,
- "%d:0716 FCP Read Underrun, expected %d, "
- "residual %d Data: x%x x%x x%x\n", phba->brd_no,
- be32_to_cpu(fcpcmd->fcpDl), cmnd->resid,
- fcpi_parm, cmnd->cmnd[0], cmnd->underflow);
+ "%d (%d):0716 FCP Read Underrun, expected %d, "
+ "residual %d Data: x%x x%x x%x\n",
+ phba->brd_no, vpi, be32_to_cpu(fcpcmd->fcpDl),
+ scsi_get_resid(cmnd), fcpi_parm, cmnd->cmnd[0],
+ cmnd->underflow);
/*
* If there is an under run check if under run reported by
*/
if ((cmnd->sc_data_direction == DMA_FROM_DEVICE) &&
fcpi_parm &&
- (cmnd->resid != fcpi_parm)) {
+ (scsi_get_resid(cmnd) != fcpi_parm)) {
lpfc_printf_log(phba, KERN_WARNING,
- LOG_FCP | LOG_FCP_ERROR,
- "%d:0735 FCP Read Check Error and Underrun "
- "Data: x%x x%x x%x x%x\n", phba->brd_no,
- be32_to_cpu(fcpcmd->fcpDl),
- cmnd->resid,
- fcpi_parm, cmnd->cmnd[0]);
- cmnd->resid = cmnd->request_bufflen;
+ LOG_FCP | LOG_FCP_ERROR,
+ "%d (%d):0735 FCP Read Check Error "
+ "and Underrun Data: x%x x%x x%x x%x\n",
+ phba->brd_no, vpi,
+ be32_to_cpu(fcpcmd->fcpDl),
+ scsi_get_resid(cmnd), fcpi_parm,
+ cmnd->cmnd[0]);
+ scsi_set_resid(cmnd, scsi_bufflen(cmnd));
host_status = DID_ERROR;
}
/*
*/
if (!(resp_info & SNS_LEN_VALID) &&
(scsi_status == SAM_STAT_GOOD) &&
- (cmnd->request_bufflen - cmnd->resid) < cmnd->underflow) {
+ (scsi_bufflen(cmnd) - scsi_get_resid(cmnd)
+ < cmnd->underflow)) {
lpfc_printf_log(phba, KERN_INFO, LOG_FCP,
- "%d:0717 FCP command x%x residual "
+ "%d (%d):0717 FCP command x%x residual "
"underrun converted to error "
- "Data: x%x x%x x%x\n", phba->brd_no,
- cmnd->cmnd[0], cmnd->request_bufflen,
- cmnd->resid, cmnd->underflow);
-
+ "Data: x%x x%x x%x\n",
+ phba->brd_no, vpi, cmnd->cmnd[0],
+ scsi_bufflen(cmnd),
+ scsi_get_resid(cmnd), cmnd->underflow);
host_status = DID_ERROR;
}
} else if (resp_info & RESID_OVER) {
lpfc_printf_log(phba, KERN_WARNING, LOG_FCP,
- "%d:0720 FCP command x%x residual "
+ "%d (%d):0720 FCP command x%x residual "
"overrun error. Data: x%x x%x \n",
- phba->brd_no, cmnd->cmnd[0],
- cmnd->request_bufflen, cmnd->resid);
+ phba->brd_no, vpi, cmnd->cmnd[0],
+ scsi_bufflen(cmnd), scsi_get_resid(cmnd));
host_status = DID_ERROR;
/*
} else if ((scsi_status == SAM_STAT_GOOD) && fcpi_parm &&
(cmnd->sc_data_direction == DMA_FROM_DEVICE)) {
lpfc_printf_log(phba, KERN_WARNING, LOG_FCP | LOG_FCP_ERROR,
- "%d:0734 FCP Read Check Error Data: "
- "x%x x%x x%x x%x\n", phba->brd_no,
- be32_to_cpu(fcpcmd->fcpDl),
- be32_to_cpu(fcprsp->rspResId),
- fcpi_parm, cmnd->cmnd[0]);
+ "%d (%d):0734 FCP Read Check Error Data: "
+ "x%x x%x x%x x%x\n",
+ phba->brd_no, vpi,
+ be32_to_cpu(fcpcmd->fcpDl),
+ be32_to_cpu(fcprsp->rspResId),
+ fcpi_parm, cmnd->cmnd[0]);
host_status = DID_ERROR;
- cmnd->resid = cmnd->request_bufflen;
+ scsi_set_resid(cmnd, scsi_bufflen(cmnd));
}
out:
{
struct lpfc_scsi_buf *lpfc_cmd =
(struct lpfc_scsi_buf *) pIocbIn->context1;
+ 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;
+ uint32_t vpi = (lpfc_cmd->cur_iocbq.vport
+ ? lpfc_cmd->cur_iocbq.vport->vpi
+ : 0);
int result;
struct scsi_device *sdev, *tmp_sdev;
int depth = 0;
lpfc_cmd->status = IOSTAT_DEFAULT;
lpfc_printf_log(phba, KERN_WARNING, LOG_FCP,
- "%d:0729 FCP cmd x%x failed <%d/%d> status: "
- "x%x result: x%x Data: x%x x%x\n",
- phba->brd_no, cmd->cmnd[0], cmd->device->id,
- cmd->device->lun, lpfc_cmd->status,
- lpfc_cmd->result, pIocbOut->iocb.ulpContext,
+ "%d (%d):0729 FCP cmd x%x failed <%d/%d> "
+ "status: x%x result: x%x Data: x%x x%x\n",
+ phba->brd_no, vpi, cmd->cmnd[0],
+ cmd->device ? cmd->device->id : 0xffff,
+ cmd->device ? cmd->device->lun : 0xffff,
+ lpfc_cmd->status, lpfc_cmd->result,
+ pIocbOut->iocb.ulpContext,
lpfc_cmd->cur_iocbq.iocb.ulpIoTag);
switch (lpfc_cmd->status) {
case IOSTAT_FCP_RSP_ERROR:
/* Call FCP RSP handler to determine result */
- lpfc_handle_fcp_err(lpfc_cmd,pIocbOut);
+ lpfc_handle_fcp_err(vport, lpfc_cmd, pIocbOut);
break;
case IOSTAT_NPORT_BSY:
case IOSTAT_FABRIC_BSY:
cmd->result = ScsiResult(DID_BUS_BUSY, 0);
break;
+ case IOSTAT_LOCAL_REJECT:
+ if (lpfc_cmd->result == RJT_UNAVAIL_PERM ||
+ lpfc_cmd->result == IOERR_NO_RESOURCES ||
+ lpfc_cmd->result == RJT_LOGIN_REQUIRED) {
+ cmd->result = ScsiResult(DID_REQUEUE, 0);
+ break;
+ } /* else: fall through */
default:
cmd->result = ScsiResult(DID_ERROR, 0);
break;
uint32_t *lp = (uint32_t *)cmd->sense_buffer;
lpfc_printf_log(phba, KERN_INFO, LOG_FCP,
- "%d:0710 Iodone <%d/%d> cmd %p, error x%x "
- "SNS x%x x%x Data: x%x x%x\n",
- phba->brd_no, cmd->device->id,
+ "%d (%d):0710 Iodone <%d/%d> cmd %p, error "
+ "x%x SNS x%x x%x Data: x%x x%x\n",
+ phba->brd_no, vpi, cmd->device->id,
cmd->device->lun, cmd, cmd->result,
- *lp, *(lp + 3), cmd->retries, cmd->resid);
+ *lp, *(lp + 3), cmd->retries,
+ scsi_get_resid(cmd));
}
result = cmd->result;
return;
}
+
+ if (!result)
+ lpfc_rampup_queue_depth(phba, sdev);
+
if (!result && pnode != NULL &&
((jiffies - pnode->last_ramp_up_time) >
LPFC_Q_RAMP_UP_INTERVAL * HZ) &&
tmp_sdev->queue_depth - 1);
}
/*
- * The queue depth cannot be lowered any more.
+ * The queue depth cannot be lowered any more.
* Modify the returned error code to store
* the final depth value set by
* scsi_track_queue_full.
if (depth) {
lpfc_printf_log(phba, KERN_WARNING, LOG_FCP,
- "%d:0711 detected queue full - lun queue depth "
- " adjusted to %d.\n", phba->brd_no, depth);
+ "%d (%d):0711 detected queue full - "
+ "lun queue depth adjusted to %d.\n",
+ phba->brd_no, vpi, depth);
}
}
}
static void
-lpfc_scsi_prep_cmnd(struct lpfc_hba * phba, struct lpfc_scsi_buf * lpfc_cmd,
- struct lpfc_nodelist *pnode)
+lpfc_scsi_prep_cmnd(struct lpfc_vport *vport, struct lpfc_scsi_buf *lpfc_cmd,
+ struct lpfc_nodelist *pnode)
{
+ struct lpfc_hba *phba = vport->phba;
struct scsi_cmnd *scsi_cmnd = lpfc_cmd->pCmd;
struct fcp_cmnd *fcp_cmnd = lpfc_cmd->fcp_cmnd;
IOCB_t *iocb_cmd = &lpfc_cmd->cur_iocbq.iocb;
* bumping the bpl beyond the fcp_cmnd and fcp_rsp regions to the first
* data bde entry.
*/
- if (scsi_cmnd->use_sg) {
+ if (scsi_sg_count(scsi_cmnd)) {
if (datadir == DMA_TO_DEVICE) {
iocb_cmd->ulpCommand = CMD_FCP_IWRITE64_CR;
iocb_cmd->un.fcpi.fcpi_parm = 0;
} else {
iocb_cmd->ulpCommand = CMD_FCP_IREAD64_CR;
iocb_cmd->ulpPU = PARM_READ_CHECK;
- iocb_cmd->un.fcpi.fcpi_parm =
- scsi_cmnd->request_bufflen;
- fcp_cmnd->fcpCntl3 = READ_DATA;
- phba->fc4InputRequests++;
- }
- } else if (scsi_cmnd->request_buffer && scsi_cmnd->request_bufflen) {
- if (datadir == DMA_TO_DEVICE) {
- iocb_cmd->ulpCommand = CMD_FCP_IWRITE64_CR;
- iocb_cmd->un.fcpi.fcpi_parm = 0;
- iocb_cmd->ulpPU = 0;
- fcp_cmnd->fcpCntl3 = WRITE_DATA;
- phba->fc4OutputRequests++;
- } else {
- iocb_cmd->ulpCommand = CMD_FCP_IREAD64_CR;
- iocb_cmd->ulpPU = PARM_READ_CHECK;
- iocb_cmd->un.fcpi.fcpi_parm =
- scsi_cmnd->request_bufflen;
+ iocb_cmd->un.fcpi.fcpi_parm = scsi_bufflen(scsi_cmnd);
fcp_cmnd->fcpCntl3 = READ_DATA;
phba->fc4InputRequests++;
}
piocbq->context1 = lpfc_cmd;
piocbq->iocb_cmpl = lpfc_scsi_cmd_iocb_cmpl;
piocbq->iocb.ulpTimeout = lpfc_cmd->timeout;
+ piocbq->vport = vport;
}
static int
-lpfc_scsi_prep_task_mgmt_cmd(struct lpfc_hba *phba,
+lpfc_scsi_prep_task_mgmt_cmd(struct lpfc_vport *vport,
struct lpfc_scsi_buf *lpfc_cmd,
unsigned int lun,
uint8_t task_mgmt_cmd)
{
- struct lpfc_sli *psli;
struct lpfc_iocbq *piocbq;
IOCB_t *piocb;
struct fcp_cmnd *fcp_cmnd;
return 0;
}
- psli = &phba->sli;
piocbq = &(lpfc_cmd->cur_iocbq);
+ piocbq->vport = vport;
+
piocb = &piocbq->iocb;
fcp_cmnd = lpfc_cmd->fcp_cmnd;
piocb->ulpTimeout = lpfc_cmd->timeout;
}
- return (1);
+ return 1;
}
static void
}
static int
-lpfc_scsi_tgt_reset(struct lpfc_scsi_buf * lpfc_cmd, struct lpfc_hba * phba,
+lpfc_scsi_tgt_reset(struct lpfc_scsi_buf *lpfc_cmd, struct lpfc_vport *vport,
unsigned tgt_id, unsigned int lun,
struct lpfc_rport_data *rdata)
{
+ struct lpfc_hba *phba = vport->phba;
struct lpfc_iocbq *iocbq;
struct lpfc_iocbq *iocbqrsp;
int ret;
return FAILED;
lpfc_cmd->rdata = rdata;
- ret = lpfc_scsi_prep_task_mgmt_cmd(phba, lpfc_cmd, lun,
+ ret = lpfc_scsi_prep_task_mgmt_cmd(vport, lpfc_cmd, lun,
FCP_TARGET_RESET);
if (!ret)
return FAILED;
- lpfc_cmd->scsi_hba = phba;
iocbq = &lpfc_cmd->cur_iocbq;
iocbqrsp = lpfc_sli_get_iocbq(phba);
/* Issue Target Reset to TGT <num> */
lpfc_printf_log(phba, KERN_INFO, LOG_FCP,
- "%d:0702 Issue Target Reset to TGT %d "
+ "%d (%d):0702 Issue Target Reset to TGT %d "
"Data: x%x x%x\n",
- phba->brd_no, tgt_id, rdata->pnode->nlp_rpi,
- rdata->pnode->nlp_flag);
+ phba->brd_no, vport->vpi, tgt_id,
+ rdata->pnode->nlp_rpi, rdata->pnode->nlp_flag);
ret = lpfc_sli_issue_iocb_wait(phba,
&phba->sli.ring[phba->sli.fcp_ring],
const char *
lpfc_info(struct Scsi_Host *host)
{
- struct lpfc_hba *phba = (struct lpfc_hba *) host->hostdata;
+ struct lpfc_vport *vport = (struct lpfc_vport *) host->hostdata;
+ struct lpfc_hba *phba = vport->phba;
int len;
static char lpfcinfobuf[384];
void lpfc_poll_timeout(unsigned long ptr)
{
- struct lpfc_hba *phba = (struct lpfc_hba *)ptr;
- unsigned long iflag;
-
- spin_lock_irqsave(phba->host->host_lock, iflag);
+ struct lpfc_hba *phba = (struct lpfc_hba *) ptr;
if (phba->cfg_poll & ENABLE_FCP_RING_POLLING) {
lpfc_sli_poll_fcp_ring (phba);
if (phba->cfg_poll & DISABLE_FCP_RING_INT)
lpfc_poll_rearm_timer(phba);
}
-
- spin_unlock_irqrestore(phba->host->host_lock, iflag);
}
static int
lpfc_queuecommand(struct scsi_cmnd *cmnd, void (*done) (struct scsi_cmnd *))
{
- struct lpfc_hba *phba =
- (struct lpfc_hba *) cmnd->device->host->hostdata;
- struct lpfc_sli *psli = &phba->sli;
+ struct Scsi_Host *shost = cmnd->device->host;
+ struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
+ struct lpfc_hba *phba = vport->phba;
+ struct lpfc_sli *psli = &phba->sli;
struct lpfc_rport_data *rdata = cmnd->device->hostdata;
struct lpfc_nodelist *ndlp = rdata->pnode;
struct lpfc_scsi_buf *lpfc_cmd;
cmnd->result = ScsiResult(DID_BUS_BUSY, 0);
goto out_fail_command;
}
- lpfc_cmd = lpfc_get_scsi_buf (phba);
+ lpfc_cmd = lpfc_get_scsi_buf(phba);
if (lpfc_cmd == NULL) {
+ lpfc_adjust_queue_depth(phba);
+
lpfc_printf_log(phba, KERN_INFO, LOG_FCP,
- "%d:0707 driver's buffer pool is empty, "
- "IO busied\n", phba->brd_no);
+ "%d (%d):0707 driver's buffer pool is empty, "
+ "IO busied\n",
+ phba->brd_no, vport->vpi);
goto out_host_busy;
}
if (err)
goto out_host_busy_free_buf;
- lpfc_scsi_prep_cmnd(phba, lpfc_cmd, ndlp);
+ lpfc_scsi_prep_cmnd(vport, lpfc_cmd, ndlp);
err = lpfc_sli_issue_iocb(phba, &phba->sli.ring[psli->fcp_ring],
- &lpfc_cmd->cur_iocbq, SLI_IOCB_RET_IOCB);
+ &lpfc_cmd->cur_iocbq, SLI_IOCB_RET_IOCB);
if (err)
goto out_host_busy_free_buf;
static int
lpfc_abort_handler(struct scsi_cmnd *cmnd)
{
- struct Scsi_Host *shost = cmnd->device->host;
- struct lpfc_hba *phba = (struct lpfc_hba *)shost->hostdata;
+ struct Scsi_Host *shost = cmnd->device->host;
+ struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
+ struct lpfc_hba *phba = vport->phba;
struct lpfc_sli_ring *pring = &phba->sli.ring[phba->sli.fcp_ring];
struct lpfc_iocbq *iocb;
struct lpfc_iocbq *abtsiocb;
int ret = SUCCESS;
lpfc_block_error_handler(cmnd);
- spin_lock_irq(shost->host_lock);
-
lpfc_cmd = (struct lpfc_scsi_buf *)cmnd->host_scribble;
BUG_ON(!lpfc_cmd);
icmd->ulpLe = 1;
icmd->ulpClass = cmd->ulpClass;
- if (phba->hba_state >= LPFC_LINK_UP)
+ if (lpfc_is_link_up(phba))
icmd->ulpCommand = CMD_ABORT_XRI_CN;
else
icmd->ulpCommand = CMD_CLOSE_XRI_CN;
abtsiocb->iocb_cmpl = lpfc_sli_abort_fcp_cmpl;
+ abtsiocb->vport = vport;
if (lpfc_sli_issue_iocb(phba, pring, abtsiocb, 0) == IOCB_ERROR) {
lpfc_sli_release_iocbq(phba, abtsiocb);
ret = FAILED;
if (phba->cfg_poll & DISABLE_FCP_RING_INT)
lpfc_sli_poll_fcp_ring (phba);
- spin_unlock_irq(phba->host->host_lock);
- schedule_timeout_uninterruptible(LPFC_ABORT_WAIT*HZ);
- spin_lock_irq(phba->host->host_lock);
+ schedule_timeout_uninterruptible(LPFC_ABORT_WAIT * HZ);
if (++loop_count
> (2 * phba->cfg_devloss_tmo)/LPFC_ABORT_WAIT)
break;
if (lpfc_cmd->pCmd == cmnd) {
ret = FAILED;
lpfc_printf_log(phba, KERN_ERR, LOG_FCP,
- "%d:0748 abort handler timed out waiting for "
- "abort to complete: ret %#x, ID %d, LUN %d, "
- "snum %#lx\n",
- phba->brd_no, ret, cmnd->device->id,
- cmnd->device->lun, cmnd->serial_number);
+ "%d (%d):0748 abort handler timed out waiting "
+ "for abort to complete: ret %#x, ID %d, "
+ "LUN %d, snum %#lx\n",
+ phba->brd_no, vport->vpi, ret,
+ cmnd->device->id, cmnd->device->lun,
+ cmnd->serial_number);
}
out:
lpfc_printf_log(phba, KERN_WARNING, LOG_FCP,
- "%d:0749 SCSI Layer I/O Abort Request "
+ "%d (%d):0749 SCSI Layer I/O Abort Request "
"Status x%x ID %d LUN %d snum %#lx\n",
- phba->brd_no, ret, cmnd->device->id,
+ phba->brd_no, vport->vpi, ret, cmnd->device->id,
cmnd->device->lun, cmnd->serial_number);
- spin_unlock_irq(shost->host_lock);
-
return ret;
}
static int
lpfc_device_reset_handler(struct scsi_cmnd *cmnd)
{
- struct Scsi_Host *shost = cmnd->device->host;
- struct lpfc_hba *phba = (struct lpfc_hba *)shost->hostdata;
+ struct Scsi_Host *shost = cmnd->device->host;
+ struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
+ struct lpfc_hba *phba = vport->phba;
struct lpfc_scsi_buf *lpfc_cmd;
struct lpfc_iocbq *iocbq, *iocbqrsp;
struct lpfc_rport_data *rdata = cmnd->device->hostdata;
int cnt, loopcnt;
lpfc_block_error_handler(cmnd);
- spin_lock_irq(shost->host_lock);
loopcnt = 0;
/*
* If target is not in a MAPPED state, delay the reset until
* target is rediscovered or devloss timeout expires.
*/
- while ( 1 ) {
+ while (1) {
if (!pnode)
goto out;
if (pnode->nlp_state != NLP_STE_MAPPED_NODE) {
- spin_unlock_irq(phba->host->host_lock);
schedule_timeout_uninterruptible(msecs_to_jiffies(500));
- spin_lock_irq(phba->host->host_lock);
loopcnt++;
rdata = cmnd->device->hostdata;
if (!rdata ||
(loopcnt > ((phba->cfg_devloss_tmo * 2) + 1))) {
lpfc_printf_log(phba, KERN_ERR, LOG_FCP,
- "%d:0721 LUN Reset rport failure:"
- " cnt x%x rdata x%p\n",
- phba->brd_no, loopcnt, rdata);
+ "%d (%d):0721 LUN Reset rport "
+ "failure: cnt x%x rdata x%p\n",
+ phba->brd_no, vport->vpi,
+ loopcnt, rdata);
goto out;
}
pnode = rdata->pnode;
break;
}
- lpfc_cmd = lpfc_get_scsi_buf (phba);
+ lpfc_cmd = lpfc_get_scsi_buf(phba);
if (lpfc_cmd == NULL)
goto out;
lpfc_cmd->timeout = 60;
- lpfc_cmd->scsi_hba = phba;
lpfc_cmd->rdata = rdata;
- ret = lpfc_scsi_prep_task_mgmt_cmd(phba, lpfc_cmd, cmnd->device->lun,
+ ret = lpfc_scsi_prep_task_mgmt_cmd(vport, lpfc_cmd, cmnd->device->lun,
FCP_TARGET_RESET);
if (!ret)
goto out_free_scsi_buf;
goto out_free_scsi_buf;
lpfc_printf_log(phba, KERN_INFO, LOG_FCP,
- "%d:0703 Issue target reset to TGT %d LUN %d rpi x%x "
- "nlp_flag x%x\n", phba->brd_no, cmnd->device->id,
+ "%d (%d):0703 Issue target reset to TGT %d LUN %d "
+ "rpi x%x nlp_flag x%x\n",
+ phba->brd_no, vport->vpi, cmnd->device->id,
cmnd->device->lun, pnode->nlp_rpi, pnode->nlp_flag);
iocb_status = lpfc_sli_issue_iocb_wait(phba,
0, LPFC_CTX_LUN);
loopcnt = 0;
while(cnt) {
- spin_unlock_irq(phba->host->host_lock);
schedule_timeout_uninterruptible(LPFC_RESET_WAIT*HZ);
- spin_lock_irq(phba->host->host_lock);
if (++loopcnt
> (2 * phba->cfg_devloss_tmo)/LPFC_RESET_WAIT)
if (cnt) {
lpfc_printf_log(phba, KERN_ERR, LOG_FCP,
- "%d:0719 device reset I/O flush failure: cnt x%x\n",
- phba->brd_no, cnt);
+ "%d (%d):0719 device reset I/O flush failure: "
+ "cnt x%x\n",
+ phba->brd_no, vport->vpi, cnt);
ret = FAILED;
}
lpfc_release_scsi_buf(phba, lpfc_cmd);
}
lpfc_printf_log(phba, KERN_ERR, LOG_FCP,
- "%d:0713 SCSI layer issued device reset (%d, %d) "
+ "%d (%d):0713 SCSI layer issued device reset (%d, %d) "
"return x%x status x%x result x%x\n",
- phba->brd_no, cmnd->device->id, cmnd->device->lun,
- ret, cmd_status, cmd_result);
+ phba->brd_no, vport->vpi, cmnd->device->id,
+ cmnd->device->lun, ret, cmd_status, cmd_result);
out:
- spin_unlock_irq(shost->host_lock);
return ret;
}
static int
lpfc_bus_reset_handler(struct scsi_cmnd *cmnd)
{
- struct Scsi_Host *shost = cmnd->device->host;
- struct lpfc_hba *phba = (struct lpfc_hba *)shost->hostdata;
+ struct Scsi_Host *shost = cmnd->device->host;
+ struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
+ struct lpfc_hba *phba = vport->phba;
struct lpfc_nodelist *ndlp = NULL;
int match;
int ret = FAILED, i, err_count = 0;
struct lpfc_scsi_buf * lpfc_cmd;
lpfc_block_error_handler(cmnd);
- spin_lock_irq(shost->host_lock);
lpfc_cmd = lpfc_get_scsi_buf(phba);
if (lpfc_cmd == NULL)
/* The lpfc_cmd storage is reused. Set all loop invariants. */
lpfc_cmd->timeout = 60;
- lpfc_cmd->scsi_hba = phba;
/*
* Since the driver manages a single bus device, reset all
for (i = 0; i < LPFC_MAX_TARGET; i++) {
/* Search for mapped node by target ID */
match = 0;
- list_for_each_entry(ndlp, &phba->fc_nodes, nlp_listp) {
+ spin_lock_irq(shost->host_lock);
+ list_for_each_entry(ndlp, &vport->fc_nodes, nlp_listp) {
if (ndlp->nlp_state == NLP_STE_MAPPED_NODE &&
i == ndlp->nlp_sid &&
ndlp->rport) {
break;
}
}
+ spin_unlock_irq(shost->host_lock);
if (!match)
continue;
- ret = lpfc_scsi_tgt_reset(lpfc_cmd, phba, i, cmnd->device->lun,
+ ret = lpfc_scsi_tgt_reset(lpfc_cmd, vport, i,
+ cmnd->device->lun,
ndlp->rport->dd_data);
if (ret != SUCCESS) {
lpfc_printf_log(phba, KERN_ERR, LOG_FCP,
- "%d:0700 Bus Reset on target %d failed\n",
- phba->brd_no, i);
+ "%d (%d):0700 Bus Reset on target %d "
+ "failed\n",
+ phba->brd_no, vport->vpi, i);
err_count++;
break;
}
0, 0, 0, LPFC_CTX_HOST);
loopcnt = 0;
while(cnt) {
- spin_unlock_irq(phba->host->host_lock);
schedule_timeout_uninterruptible(LPFC_RESET_WAIT*HZ);
- spin_lock_irq(phba->host->host_lock);
if (++loopcnt
> (2 * phba->cfg_devloss_tmo)/LPFC_RESET_WAIT)
if (cnt) {
lpfc_printf_log(phba, KERN_ERR, LOG_FCP,
- "%d:0715 Bus Reset I/O flush failure: cnt x%x left x%x\n",
- phba->brd_no, cnt, i);
+ "%d (%d):0715 Bus Reset I/O flush failure: "
+ "cnt x%x left x%x\n",
+ phba->brd_no, vport->vpi, cnt, i);
ret = FAILED;
}
- lpfc_printf_log(phba,
- KERN_ERR,
- LOG_FCP,
- "%d:0714 SCSI layer issued Bus Reset Data: x%x\n",
- phba->brd_no, ret);
+ lpfc_printf_log(phba, KERN_ERR, LOG_FCP,
+ "%d (%d):0714 SCSI layer issued Bus Reset Data: x%x\n",
+ phba->brd_no, vport->vpi, ret);
out:
- spin_unlock_irq(shost->host_lock);
return ret;
}
static int
lpfc_slave_alloc(struct scsi_device *sdev)
{
- struct lpfc_hba *phba = (struct lpfc_hba *)sdev->host->hostdata;
+ struct lpfc_vport *vport = (struct lpfc_vport *) sdev->host->hostdata;
+ struct lpfc_hba *phba = vport->phba;
struct lpfc_scsi_buf *scsi_buf = NULL;
struct fc_rport *rport = starget_to_rport(scsi_target(sdev));
uint32_t total = 0, i;
*/
total = phba->total_scsi_bufs;
num_to_alloc = phba->cfg_lun_queue_depth + 2;
- if (total >= phba->cfg_hba_queue_depth) {
+
+ /* Allow some exchanges to be available always to complete discovery */
+ if (total >= phba->cfg_hba_queue_depth - LPFC_DISC_IOCB_BUFF_COUNT ) {
lpfc_printf_log(phba, KERN_WARNING, LOG_FCP,
- "%d:0704 At limitation of %d preallocated "
- "command buffers\n", phba->brd_no, total);
+ "%d (%d):0704 At limitation of %d "
+ "preallocated command buffers\n",
+ phba->brd_no, vport->vpi, total);
return 0;
- } else if (total + num_to_alloc > phba->cfg_hba_queue_depth) {
+
+ /* Allow some exchanges to be available always to complete discovery */
+ } else if (total + num_to_alloc >
+ phba->cfg_hba_queue_depth - LPFC_DISC_IOCB_BUFF_COUNT ) {
lpfc_printf_log(phba, KERN_WARNING, LOG_FCP,
- "%d:0705 Allocation request of %d command "
- "buffers will exceed max of %d. Reducing "
- "allocation request to %d.\n", phba->brd_no,
- num_to_alloc, phba->cfg_hba_queue_depth,
+ "%d (%d):0705 Allocation request of %d "
+ "command buffers will exceed max of %d. "
+ "Reducing allocation request to %d.\n",
+ phba->brd_no, vport->vpi, num_to_alloc,
+ phba->cfg_hba_queue_depth,
(phba->cfg_hba_queue_depth - total));
num_to_alloc = phba->cfg_hba_queue_depth - total;
}
for (i = 0; i < num_to_alloc; i++) {
- scsi_buf = lpfc_new_scsi_buf(phba);
+ scsi_buf = lpfc_new_scsi_buf(vport);
if (!scsi_buf) {
lpfc_printf_log(phba, KERN_ERR, LOG_FCP,
- "%d:0706 Failed to allocate command "
- "buffer\n", phba->brd_no);
+ "%d (%d):0706 Failed to allocate "
+ "command buffer\n",
+ phba->brd_no, vport->vpi);
break;
}
static int
lpfc_slave_configure(struct scsi_device *sdev)
{
- struct lpfc_hba *phba = (struct lpfc_hba *) sdev->host->hostdata;
- struct fc_rport *rport = starget_to_rport(sdev->sdev_target);
+ struct lpfc_vport *vport = (struct lpfc_vport *) sdev->host->hostdata;
+ struct lpfc_hba *phba = vport->phba;
+ struct fc_rport *rport = starget_to_rport(sdev->sdev_target);
if (sdev->tagged_supported)
scsi_activate_tcq(sdev, phba->cfg_lun_queue_depth);
return;
}
+
struct scsi_host_template lpfc_template = {
.module = THIS_MODULE,
.name = LPFC_DRIVER_NAME,
.slave_configure = lpfc_slave_configure,
.slave_destroy = lpfc_slave_destroy,
.scan_finished = lpfc_scan_finished,
- .scan_start = lpfc_scan_start,
.this_id = -1,
.sg_tablesize = LPFC_SG_SEG_CNT,
.cmd_per_lun = LPFC_CMD_PER_LUN,
.use_clustering = ENABLE_CLUSTERING,
- .shost_attrs = lpfc_host_attrs,
+ .shost_attrs = lpfc_hba_attrs,
.max_sectors = 0xFFFF,
};
projects / linux-2.6-omap-h63xx.git / blobdiff