/*******************************************************************
* This file is part of the Emulex Linux Device Driver for *
* Fibre Channel Host Bus Adapters. *
- * Copyright (C) 2004-2006 Emulex. All rights reserved. *
+ * Copyright (C) 2004-2007 Emulex. All rights reserved. *
* EMULEX and SLI are trademarks of Emulex. *
* www.emulex.com *
* Portions Copyright (C) 2004-2005 Christoph Hellwig *
spin_lock_irqsave(&phba->scsi_buf_list_lock, iflag);
list_remove_head(scsi_buf_list, lpfc_cmd, struct lpfc_scsi_buf, list);
+ if (lpfc_cmd) {
+ lpfc_cmd->seg_cnt = 0;
+ lpfc_cmd->nonsg_phys = 0;
+ }
spin_unlock_irqrestore(&phba->scsi_buf_list_lock, iflag);
return lpfc_cmd;
}
}
static void
-lpfc_handle_fcp_err(struct lpfc_scsi_buf *lpfc_cmd)
+lpfc_handle_fcp_err(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;
- uint32_t fcpi_parm = lpfc_cmd->cur_iocbq.iocb.un.fcpi.fcpi_parm;
+ uint32_t fcpi_parm = rsp_iocb->iocb.un.fcpi.fcpi_parm;
uint32_t resp_info = fcprsp->rspStatus2;
uint32_t scsi_status = fcprsp->rspStatus3;
uint32_t *lp;
be32_to_cpu(fcpcmd->fcpDl), cmnd->resid,
fcpi_parm, cmnd->cmnd[0], cmnd->underflow);
+ /*
+ * If there is an under run check if under run reported by
+ * storage array is same as the under run reported by HBA.
+ * If this is not same, there is a dropped frame.
+ */
+ if ((cmnd->sc_data_direction == DMA_FROM_DEVICE) &&
+ fcpi_parm &&
+ (cmnd->resid != 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;
+ host_status = DID_ERROR;
+ }
/*
* The cmnd->underflow is the minimum number of bytes that must
* be transfered for this command. Provided a sense condition
switch (lpfc_cmd->status) {
case IOSTAT_FCP_RSP_ERROR:
/* Call FCP RSP handler to determine result */
- lpfc_handle_fcp_err(lpfc_cmd);
+ lpfc_handle_fcp_err(lpfc_cmd,pIocbOut);
break;
case IOSTAT_NPORT_BSY:
case IOSTAT_FABRIC_BSY:
result = cmd->result;
sdev = cmd->device;
+ lpfc_scsi_unprep_dma_buf(phba, lpfc_cmd);
cmd->scsi_done(cmd);
if (phba->cfg_poll & ENABLE_FCP_RING_POLLING) {
- lpfc_scsi_unprep_dma_buf(phba, lpfc_cmd);
lpfc_release_scsi_buf(phba, lpfc_cmd);
return;
}
}
}
- lpfc_scsi_unprep_dma_buf(phba, lpfc_cmd);
lpfc_release_scsi_buf(phba, lpfc_cmd);
}
return (1);
}
+static void
+lpfc_tskmgmt_def_cmpl(struct lpfc_hba *phba,
+ struct lpfc_iocbq *cmdiocbq,
+ struct lpfc_iocbq *rspiocbq)
+{
+ struct lpfc_scsi_buf *lpfc_cmd =
+ (struct lpfc_scsi_buf *) cmdiocbq->context1;
+ if (lpfc_cmd)
+ lpfc_release_scsi_buf(phba, lpfc_cmd);
+ return;
+}
+
static int
lpfc_scsi_tgt_reset(struct lpfc_scsi_buf * lpfc_cmd, struct lpfc_hba * phba,
unsigned tgt_id, unsigned int lun,
&phba->sli.ring[phba->sli.fcp_ring],
iocbq, iocbqrsp, lpfc_cmd->timeout);
if (ret != IOCB_SUCCESS) {
+ if (ret == IOCB_TIMEDOUT)
+ iocbq->iocb_cmpl = lpfc_tskmgmt_def_cmpl;
lpfc_cmd->status = IOSTAT_DRIVER_REJECT;
- ret = FAILED;
} else {
ret = SUCCESS;
lpfc_cmd->result = iocbqrsp->iocb.un.ulpWord[4];
}
static int
-lpfc_reset_lun_handler(struct scsi_cmnd *cmnd)
+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 lpfc_nodelist *pnode = rdata->pnode;
uint32_t cmd_result = 0, cmd_status = 0;
int ret = FAILED;
+ int iocb_status = IOCB_SUCCESS;
int cnt, loopcnt;
lpfc_block_error_handler(cmnd);
*/
while ( 1 ) {
if (!pnode)
- return FAILED;
+ goto out;
if (pnode->nlp_state != NLP_STE_MAPPED_NODE) {
spin_unlock_irq(phba->host->host_lock);
}
pnode = rdata->pnode;
if (!pnode)
- return FAILED;
+ goto out;
}
if (pnode->nlp_state == NLP_STE_MAPPED_NODE)
break;
lpfc_cmd->rdata = rdata;
ret = lpfc_scsi_prep_task_mgmt_cmd(phba, lpfc_cmd, cmnd->device->lun,
- FCP_LUN_RESET);
+ 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 LUN Reset to TGT %d LUN %d "
- "Data: x%x x%x\n", phba->brd_no, cmnd->device->id,
+ "%d:0703 Issue target reset to TGT %d LUN %d rpi x%x "
+ "nlp_flag x%x\n", phba->brd_no, cmnd->device->id,
cmnd->device->lun, pnode->nlp_rpi, pnode->nlp_flag);
- ret = lpfc_sli_issue_iocb_wait(phba,
+ iocb_status = lpfc_sli_issue_iocb_wait(phba,
&phba->sli.ring[phba->sli.fcp_ring],
iocbq, iocbqrsp, lpfc_cmd->timeout);
- if (ret == IOCB_SUCCESS)
- ret = SUCCESS;
+ if (iocb_status == IOCB_TIMEDOUT)
+ iocbq->iocb_cmpl = lpfc_tskmgmt_def_cmpl;
+
+ if (iocb_status == IOCB_SUCCESS)
+ ret = SUCCESS;
+ else
+ ret = iocb_status;
cmd_result = iocbqrsp->iocb.un.ulpWord[4];
cmd_status = iocbqrsp->iocb.ulpStatus;
if (cnt) {
lpfc_printf_log(phba, KERN_ERR, LOG_FCP,
- "%d:0719 LUN Reset I/O flush failure: cnt x%x\n",
+ "%d:0719 device reset I/O flush failure: cnt x%x\n",
phba->brd_no, cnt);
ret = FAILED;
}
out_free_scsi_buf:
- lpfc_release_scsi_buf(phba, lpfc_cmd);
-
+ if (iocb_status != IOCB_TIMEDOUT) {
+ lpfc_release_scsi_buf(phba, lpfc_cmd);
+ }
lpfc_printf_log(phba, KERN_ERR, LOG_FCP,
- "%d:0713 SCSI layer issued LUN reset (%d, %d) "
- "Data: x%x x%x x%x\n",
- phba->brd_no, cmnd->device->id,cmnd->device->lun,
+ "%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);
out:
}
static int
-lpfc_reset_bus_handler(struct scsi_cmnd *cmnd)
+lpfc_bus_reset_handler(struct scsi_cmnd *cmnd)
{
struct Scsi_Host *shost = cmnd->device->host;
struct lpfc_hba *phba = (struct lpfc_hba *)shost->hostdata;
* fail, this routine returns failure to the midlayer.
*/
for (i = 0; i < LPFC_MAX_TARGET; i++) {
- /* Search the mapped list for this target ID */
+ /* Search for mapped node by target ID */
match = 0;
- list_for_each_entry(ndlp, &phba->fc_nlpmap_list, nlp_listp) {
- if ((i == ndlp->nlp_sid) && ndlp->rport) {
+ list_for_each_entry(ndlp, &phba->fc_nodes, nlp_listp) {
+ if (ndlp->nlp_state == NLP_STE_MAPPED_NODE &&
+ i == ndlp->nlp_sid &&
+ ndlp->rport) {
match = 1;
break;
}
"%d:0700 Bus Reset on target %d failed\n",
phba->brd_no, i);
err_count++;
+ break;
}
}
+ if (ret != IOCB_TIMEDOUT)
+ lpfc_release_scsi_buf(phba, lpfc_cmd);
+
if (err_count == 0)
ret = SUCCESS;
-
- lpfc_release_scsi_buf(phba, lpfc_cmd);
+ else
+ ret = FAILED;
/*
* All outstanding txcmplq I/Os should have been aborted by
.info = lpfc_info,
.queuecommand = lpfc_queuecommand,
.eh_abort_handler = lpfc_abort_handler,
- .eh_device_reset_handler= lpfc_reset_lun_handler,
- .eh_bus_reset_handler = lpfc_reset_bus_handler,
+ .eh_device_reset_handler= lpfc_device_reset_handler,
+ .eh_bus_reset_handler = lpfc_bus_reset_handler,
.slave_alloc = lpfc_slave_alloc,
.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,
projects / linux-2.6-omap-h63xx.git / blobdiff