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| author | Quinn Tran <quinn.tran@cavium.com> | 2017-12-28 21:33:10 +0100 |
|---|---|---|
| committer | Martin K. Petersen <martin.petersen@oracle.com> | 2018-01-04 05:41:04 +0100 |
| commit | 2853192e154b813fe34a6cbee5e34dfef50d29d0 (patch) | |
| tree | 3cced3416fb469ecb16cfd1a458116a7992eab4b /drivers/scsi/qla2xxx/qla_iocb.c | |
| parent | scsi: qla2xxx: Fix NULL pointer access for fcport structure (diff) | |
| download | linux-2853192e154b813fe34a6cbee5e34dfef50d29d0.tar.xz linux-2853192e154b813fe34a6cbee5e34dfef50d29d0.zip | |
scsi: qla2xxx: Use IOCB path to submit Control VP MBX command
Use IOCB patch to submit Control VP MBX command to reduce
bottle-neck for mbx interface.
Signed-off-by: Quinn Tran <quinn.tran@cavium.com>
Signed-off-by: Himanshu Madhani <himanshu.madhani@cavium.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Diffstat (limited to 'drivers/scsi/qla2xxx/qla_iocb.c')
| -rw-r--r-- | drivers/scsi/qla2xxx/qla_iocb.c | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/drivers/scsi/qla2xxx/qla_iocb.c b/drivers/scsi/qla2xxx/qla_iocb.c index 8ea59586f4f1..2d523b71cc1f 100644 --- a/drivers/scsi/qla2xxx/qla_iocb.c +++ b/drivers/scsi/qla2xxx/qla_iocb.c @@ -3368,6 +3368,26 @@ qla_nvme_ls(srb_t *sp, struct pt_ls4_request *cmd_pkt) return rval; } +static void +qla25xx_ctrlvp_iocb(srb_t *sp, struct vp_ctrl_entry_24xx *vce) +{ + int map, pos; + + vce->entry_type = VP_CTRL_IOCB_TYPE; + vce->handle = sp->handle; + vce->entry_count = 1; + vce->command = cpu_to_le16(sp->u.iocb_cmd.u.ctrlvp.cmd); + vce->vp_count = cpu_to_le16(1); + + /* + * index map in firmware starts with 1; decrement index + * this is ok as we never use index 0 + */ + map = (sp->u.iocb_cmd.u.ctrlvp.vp_index - 1) / 8; + pos = (sp->u.iocb_cmd.u.ctrlvp.vp_index - 1) & 7; + vce->vp_idx_map[map] |= 1 << pos; +} + int qla2x00_start_sp(srb_t *sp) { @@ -3446,6 +3466,9 @@ qla2x00_start_sp(srb_t *sp) case SRB_NACK_LOGO: qla2x00_send_notify_ack_iocb(sp, pkt); break; + case SRB_CTRL_VP: + qla25xx_ctrlvp_iocb(sp, pkt); + break; default: break; } |