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scsi: qla2xxx: Fix FC-NVMe LUN discovery 

commit a4239945b8 ("scsi: qla2xxx: Add switch command to simplify
fabric discovery") introduced regression when it did not consider
FC-NVMe code path which broke NVMe LUN discovery.

Fixes: a4239945b8 ("scsi: qla2xxx: Add switch command to simplify fabric discovery")
Signed-off-by: Darren Trapp <darren.trapp@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:
Darren Trapp 2018-02-27 16:31:12 -08:00 committed by Martin K. Petersen
parent e39a97353e
commit 2b5b96473e
4 changed files with 16 additions and 3 deletions
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1
drivers/scsi/qla2xxx/qla_def.h
View File

@ -2217,6 +2217,7 @@ typedef struct {
/* FCP-4 types */
#define FC4_TYPE_FCP_SCSI 0x08
#define FC4_TYPE_NVME 0x28
#define FC4_TYPE_OTHER 0x0
#define FC4_TYPE_UNKNOWN 0xff

3
drivers/scsi/qla2xxx/qla_gs.c
View File

@ -3973,6 +3973,9 @@ out:
spin_lock_irqsave(&vha->work_lock, flags);
vha->scan.scan_flags &= ~SF_SCANNING;
spin_unlock_irqrestore(&vha->work_lock, flags);
if ((fc4type == FC4_TYPE_FCP_SCSI) && vha->flags.nvme_enabled)
qla24xx_async_gpnft(vha, FC4_TYPE_NVME);
}
static void qla2x00_async_gpnft_gnnft_sp_done(void *s, int res)

8
drivers/scsi/qla2xxx/qla_init.c
View File

@ -1061,6 +1061,7 @@ void qla24xx_handle_gpdb_event(scsi_qla_host_t *vha, struct event_arg *ea)
fc_port_t *fcport = ea->fcport;
struct port_database_24xx *pd;
struct srb *sp = ea->sp;
uint8_t ls;
pd = (struct port_database_24xx *)sp->u.iocb_cmd.u.mbx.in;
@ -1073,7 +1074,12 @@ void qla24xx_handle_gpdb_event(scsi_qla_host_t *vha, struct event_arg *ea)
if (fcport->disc_state == DSC_DELETE_PEND)
return;
switch (pd->current_login_state) {
if (fcport->fc4f_nvme)
ls = pd->current_login_state >> 4;
else
ls = pd->current_login_state & 0xf;
switch (ls) {
case PDS_PRLI_COMPLETE:
__qla24xx_parse_gpdb(vha, fcport, pd);
break;

7
drivers/scsi/qla2xxx/qla_os.c
View File

@ -4807,9 +4807,12 @@ void qla24xx_create_new_sess(struct scsi_qla_host *vha, struct qla_work_evt *e)
fcport->d_id = e->u.new_sess.id;
fcport->flags |= FCF_FABRIC_DEVICE;
fcport->fw_login_state = DSC_LS_PLOGI_PEND;
if (e->u.new_sess.fc4_type == FC4_TYPE_FCP_SCSI)
if (e->u.new_sess.fc4_type == FC4_TYPE_FCP_SCSI) {
fcport->fc4_type = FC4_TYPE_FCP_SCSI;
} else if (e->u.new_sess.fc4_type == FC4_TYPE_NVME) {
fcport->fc4_type = FC4_TYPE_OTHER;
fcport->fc4f_nvme = FC4_TYPE_NVME;
}
memcpy(fcport->port_name, e->u.new_sess.port_name,
WWN_SIZE);
} else {