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scsi: qla2xxx: Migrate switch registration commands away from mailbox interface

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Migrate switch registration commands: RFTID, RFFID, RNNID and RSNN_NN
out of mailbox interface to reduce fabric scan bottle neck.

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>
This commit is contained in:
Quinn Tran
2017-12-28 12:33:31 -08:00
committed by Martin K. Petersen
parent 2dee552102
commit e374f9f592
6 changed files with 352 additions and 149 deletions
Download Patch File Download Diff File Expand all files Collapse all files

4
drivers/scsi/qla2xxx/qla_def.h
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@@ -535,6 +535,7 @@ typedef struct srb {
u32 gen1; /* scratch */
u32 gen2; /* scratch */
int rc;
int retry_count;
struct completion comp;
union {
struct srb_iocb iocb_cmd;
@@ -3187,7 +3188,7 @@ enum qla_work_type {
QLA_EVT_AENFX,
QLA_EVT_GIDPN,
QLA_EVT_GPNID,
QLA_EVT_GPNID_DONE,
QLA_EVT_UNMAP,
QLA_EVT_NEW_SESS,
QLA_EVT_GPDB,
QLA_EVT_PRLI,
@@ -3203,6 +3204,7 @@ enum qla_work_type {
QLA_EVT_GNNFT_DONE,
QLA_EVT_GNNID,
QLA_EVT_GFPNID,
QLA_EVT_SP_RETRY,
};

2
drivers/scsi/qla2xxx/qla_gbl.h
View File

@@ -650,7 +650,6 @@ extern void qla2x00_free_fcport(fc_port_t *);
extern int qla24xx_post_gpnid_work(struct scsi_qla_host *, port_id_t *);
extern int qla24xx_async_gpnid(scsi_qla_host_t *, port_id_t *);
void qla24xx_async_gpnid_done(scsi_qla_host_t *, srb_t*);
void qla24xx_handle_gpnid_event(scsi_qla_host_t *, struct event_arg *);
int qla24xx_post_gpsc_work(struct scsi_qla_host *, fc_port_t *);
@@ -668,6 +667,7 @@ int qla24xx_post_gnnid_work(struct scsi_qla_host *, fc_port_t *);
int qla24xx_post_gfpnid_work(struct scsi_qla_host *, fc_port_t *);
int qla24xx_async_gfpnid(scsi_qla_host_t *, fc_port_t *);
void qla24xx_handle_gfpnid_event(scsi_qla_host_t *, struct event_arg *);
void qla24xx_sp_unmap(scsi_qla_host_t *, srb_t *);
/*
* Global Function Prototypes in qla_attr.c source file.

460
drivers/scsi/qla2xxx/qla_gs.c
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File diff suppressed because it is too large Load Diff

20
drivers/scsi/qla2xxx/qla_os.c
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@@ -4918,6 +4918,20 @@ void qla24xx_create_new_sess(struct scsi_qla_host *vha, struct qla_work_evt *e)
}
}
static void qla_sp_retry(struct scsi_qla_host *vha, struct qla_work_evt *e)
{
struct srb *sp = e->u.iosb.sp;
int rval;
rval = qla2x00_start_sp(sp);
if (rval != QLA_SUCCESS) {
ql_dbg(ql_dbg_disc, vha, 0x2043,
"%s: %s: Re-issue IOCB failed (%d).\n",
__func__, sp->name, rval);
qla24xx_sp_unmap(vha, sp);
}
}
void
qla2x00_do_work(struct scsi_qla_host *vha)
{
@@ -4971,8 +4985,8 @@ qla2x00_do_work(struct scsi_qla_host *vha)
case QLA_EVT_GPNID:
qla24xx_async_gpnid(vha, &e->u.gpnid.id);
break;
case QLA_EVT_GPNID_DONE:
qla24xx_async_gpnid_done(vha, e->u.iosb.sp);
case QLA_EVT_UNMAP:
qla24xx_sp_unmap(vha, e->u.iosb.sp);
break;
case QLA_EVT_RELOGIN:
qla2x00_relogin(vha);
@@ -5021,6 +5035,8 @@ qla2x00_do_work(struct scsi_qla_host *vha)
case QLA_EVT_GFPNID:
qla24xx_async_gfpnid(vha, e->u.fcport.fcport);
break;
case QLA_EVT_SP_RETRY:
qla_sp_retry(vha, e);
}
if (e->flags & QLA_EVT_FLAG_FREE)
kfree(e);

13
drivers/scsi/qla2xxx/qla_target.c
View File

@@ -6619,18 +6619,21 @@ qlt_vport_create(struct scsi_qla_host *vha, struct qla_hw_data *ha)
qlt_add_target(ha, vha);
}
void
qlt_rff_id(struct scsi_qla_host *vha, struct ct_sns_req *ct_req)
u8
qlt_rff_id(struct scsi_qla_host *vha)
{
u8 fc4_feature = 0;
/*
* FC-4 Feature bit 0 indicates target functionality to the name server.
*/
if (qla_tgt_mode_enabled(vha)) {
ct_req->req.rff_id.fc4_feature = BIT_0;
fc4_feature = BIT_0;
} else if (qla_ini_mode_enabled(vha)) {
ct_req->req.rff_id.fc4_feature = BIT_1;
fc4_feature = BIT_1;
} else if (qla_dual_mode_enabled(vha))
ct_req->req.rff_id.fc4_feature = BIT_0 | BIT_1;
fc4_feature = BIT_0 | BIT_1;
return fc4_feature;
}
/*

2
drivers/scsi/qla2xxx/qla_target.h
View File

@@ -1072,7 +1072,7 @@ extern void qlt_free_cmd(struct qla_tgt_cmd *cmd);
extern void qlt_async_event(uint16_t, struct scsi_qla_host *, uint16_t *);
extern void qlt_enable_vha(struct scsi_qla_host *);
extern void qlt_vport_create(struct scsi_qla_host *, struct qla_hw_data *);
extern void qlt_rff_id(struct scsi_qla_host *, struct ct_sns_req *);
extern u8 qlt_rff_id(struct scsi_qla_host *);
extern void qlt_init_atio_q_entries(struct scsi_qla_host *);
extern void qlt_24xx_process_atio_queue(struct scsi_qla_host *, uint8_t);
extern void qlt_24xx_config_rings(struct scsi_qla_host *);