diff options
| author | Michael Hernandez <michael.hernandez@cavium.com> | 2016-12-12 14:40:07 -0800 |
|---|---|---|
| committer | Martin K. Petersen <martin.petersen@oracle.com> | 2016-12-14 15:37:58 -0500 |
| commit | d74595278f4ab192af66d9e60a9087464638beee (patch) | |
| tree | ccbeecc3ca0d802e9c49e03c2903d02ac8802fa3 /drivers/scsi/qla2xxx/qla_inline.h | |
| parent | 4fa183455988adaa7f6565ca06bceecafb527820 (diff) | |
scsi: qla2xxx: Add multiple queue pair functionality.
Replaced existing multiple queue functionality with framework
that allows for the creation of pairs of request and response queues,
either at start of day or dynamically.
Queue pair creation depend on module parameter "ql2xmqsupport",
which need to be enabled to create queue pair.
Signed-off-by: Sawan Chandak <sawan.chandak@cavium.com>
Signed-off-by: Michael Hernandez <michael.hernandez@cavium.com>
Signed-off-by: Himanshu Madhani <himanshu.madhani@cavium.com>
Acked-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Diffstat (limited to 'drivers/scsi/qla2xxx/qla_inline.h')
| -rw-r--r-- | drivers/scsi/qla2xxx/qla_inline.h | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/drivers/scsi/qla2xxx/qla_inline.h b/drivers/scsi/qla2xxx/qla_inline.h index edc48f3b8230..44e404583c86 100644 --- a/drivers/scsi/qla2xxx/qla_inline.h +++ b/drivers/scsi/qla2xxx/qla_inline.h @@ -216,6 +216,36 @@ qla2x00_reset_active(scsi_qla_host_t *vha) } static inline srb_t * +qla2xxx_get_qpair_sp(struct qla_qpair *qpair, fc_port_t *fcport, gfp_t flag) +{ + srb_t *sp = NULL; + uint8_t bail; + + QLA_QPAIR_MARK_BUSY(qpair, bail); + if (unlikely(bail)) + return NULL; + + sp = mempool_alloc(qpair->srb_mempool, flag); + if (!sp) + goto done; + + memset(sp, 0, sizeof(*sp)); + sp->fcport = fcport; + sp->iocbs = 1; +done: + if (!sp) + QLA_QPAIR_MARK_NOT_BUSY(qpair); + return sp; +} + +static inline void +qla2xxx_rel_qpair_sp(struct qla_qpair *qpair, srb_t *sp) +{ + mempool_free(sp, qpair->srb_mempool); + QLA_QPAIR_MARK_NOT_BUSY(qpair); +} + +static inline srb_t * qla2x00_get_sp(scsi_qla_host_t *vha, fc_port_t *fcport, gfp_t flag) { srb_t *sp = NULL; |