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lpfc: Fix ABORTs WQ selection in terminate_rport_io 

Signed-off-by: Dick Kennedy <dick.kennedy@avagotech.com>
Signed-off-by: James Smart <james.smart@avagotech.com>
Reviewed-by: Hannes Reinecke <hare@suse.de>
Signed-off-by: James Bottomley <JBottomley@Odin.com>
This commit is contained in:
James Smart 2015-05-21 13:55:20 -04:00 committed by James Bottomley
parent 7aafb6e75e
commit a1efe16310
1 changed files with 21 additions and 11 deletions
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32
drivers/scsi/lpfc/lpfc_sli.c
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@ -8792,30 +8792,40 @@ lpfc_sli_api_table_setup(struct lpfc_hba *phba, uint8_t dev_grp)
return 0;
}
/**
* lpfc_sli_calc_ring - Calculates which ring to use
* @phba: Pointer to HBA context object.
* @ring_number: Initial ring
* @piocb: Pointer to command iocb.
*
* For SLI4, FCP IO can deferred to one fo many WQs, based on
* fcp_wqidx, thus we need to calculate the corresponding ring.
* Since ABORTS must go on the same WQ of the command they are
* aborting, we use command's fcp_wqidx.
*/
int
lpfc_sli_calc_ring(struct lpfc_hba *phba, uint32_t ring_number,
struct lpfc_iocbq *piocb)
{
uint32_t idx;
if (phba->sli_rev == LPFC_SLI_REV4) {
if (piocb->iocb_flag & (LPFC_IO_FCP | LPFC_USE_FCPWQIDX)) {
/*
* fcp_wqidx should already be setup based on what
* completion queue we want to use.
*/
if (!(phba->cfg_fof) ||
(!(piocb->iocb_flag & LPFC_IO_FOF))) {
if (unlikely(!phba->sli4_hba.fcp_wq))
return LPFC_HBA_ERROR;
idx = lpfc_sli4_scmd_to_wqidx_distr(phba);
piocb->fcp_wqidx = idx;
ring_number = MAX_SLI3_CONFIGURED_RINGS + idx;
/*
* for abort iocb fcp_wqidx should already
* be setup based on what work queue we used.
*/
if (!(piocb->iocb_flag & LPFC_USE_FCPWQIDX))
piocb->fcp_wqidx =
lpfc_sli4_scmd_to_wqidx_distr(phba);
ring_number = MAX_SLI3_CONFIGURED_RINGS +
piocb->fcp_wqidx;
} else {
if (unlikely(!phba->sli4_hba.oas_wq))
return LPFC_HBA_ERROR;
idx = 0;
piocb->fcp_wqidx = idx;
piocb->fcp_wqidx = 0;
ring_number = LPFC_FCP_OAS_RING;
}
}