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scsi: qla2xxx: Remove all rports if fabric scan retry fails 

When all fabric scan retries fail, remove all RPorts, DMA resources for the
command. Otherwise we have stale Rports.

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 2018-08-31 11:24:35 -07:00 committed by Martin K. Petersen
parent 2d3fdbebd2
commit 9ba1cb25c1
1 changed files with 64 additions and 64 deletions
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128
drivers/scsi/qla2xxx/qla_gs.c
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@ -3995,6 +3995,41 @@ out:
}
}
static int qla2x00_post_gnnft_gpnft_done_work(struct scsi_qla_host *vha,
srb_t *sp, int cmd)
{
struct qla_work_evt *e;
if (cmd != QLA_EVT_GPNFT_DONE && cmd != QLA_EVT_GNNFT_DONE)
return QLA_PARAMETER_ERROR;
e = qla2x00_alloc_work(vha, cmd);
if (!e)
return QLA_FUNCTION_FAILED;
e->u.iosb.sp = sp;
return qla2x00_post_work(vha, e);
}
static int qla2x00_post_nvme_gpnft_done_work(struct scsi_qla_host *vha,
srb_t *sp, int cmd)
{
struct qla_work_evt *e;
if (cmd != QLA_EVT_GPNFT)
return QLA_PARAMETER_ERROR;
e = qla2x00_alloc_work(vha, cmd);
if (!e)
return QLA_FUNCTION_FAILED;
e->u.gpnft.fc4_type = FC4_TYPE_NVME;
e->u.gpnft.sp = sp;
return qla2x00_post_work(vha, e);
}
static void qla2x00_find_free_fcp_nvme_slot(struct scsi_qla_host *vha,
struct srb *sp)
{
@ -4095,22 +4130,36 @@ static void qla2x00_async_gpnft_gnnft_sp_done(void *s, int res)
{
struct srb *sp = s;
struct scsi_qla_host *vha = sp->vha;
struct qla_work_evt *e;
struct ct_sns_req *ct_req =
(struct ct_sns_req *)sp->u.iocb_cmd.u.ctarg.req;
u16 cmd = be16_to_cpu(ct_req->command);
u8 fc4_type = sp->gen2;
unsigned long flags;
int rc;
/* gen2 field is holding the fc4type */
ql_dbg(ql_dbg_disc, vha, 0xffff,
"Async done-%s res %x FC4Type %x\n",
sp->name, res, sp->gen2);
sp->rc = res;
if (res) {
unsigned long flags;
const char *name = sp->name;
/*
* We are in an Interrupt context, queue up this
* sp for GNNFT_DONE work. This will allow all
* the resource to get freed up.
*/
rc = qla2x00_post_gnnft_gpnft_done_work(vha, sp,
QLA_EVT_GNNFT_DONE);
if (rc) {
/* Cleanup here to prevent memory leak */
qla24xx_sp_unmap(vha, sp);
sp->free(sp);
}
sp->free(sp);
spin_lock_irqsave(&vha->work_lock, flags);
vha->scan.scan_flags &= ~SF_SCANNING;
vha->scan.scan_retry++;
@ -4121,9 +4170,9 @@ static void qla2x00_async_gpnft_gnnft_sp_done(void *s, int res)
set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
qla2xxx_wake_dpc(vha);
} else {
ql_dbg(ql_dbg_disc, sp->vha, 0xffff,
"Async done-%s rescan failed on all retries\n",
sp->name);
ql_dbg(ql_dbg_disc, vha, 0xffff,
"Async done-%s rescan failed on all retries.\n",
name);
}
return;
}
@ -4138,80 +4187,31 @@ static void qla2x00_async_gpnft_gnnft_sp_done(void *s, int res)
vha->scan.scan_flags &= ~SF_SCANNING;
spin_unlock_irqrestore(&vha->work_lock, flags);
e = qla2x00_alloc_work(vha, QLA_EVT_GPNFT);
if (!e) {
/*
* please ignore kernel warning. Otherwise,
* we have mem leak.
*/
if (sp->u.iocb_cmd.u.ctarg.req) {
dma_free_coherent(&vha->hw->pdev->dev,
sp->u.iocb_cmd.u.ctarg.req_allocated_size,
sp->u.iocb_cmd.u.ctarg.req,
sp->u.iocb_cmd.u.ctarg.req_dma);
sp->u.iocb_cmd.u.ctarg.req = NULL;
}
if (sp->u.iocb_cmd.u.ctarg.rsp) {
dma_free_coherent(&vha->hw->pdev->dev,
sp->u.iocb_cmd.u.ctarg.rsp_allocated_size,
sp->u.iocb_cmd.u.ctarg.rsp,
sp->u.iocb_cmd.u.ctarg.rsp_dma);
sp->u.iocb_cmd.u.ctarg.rsp = NULL;
}
ql_dbg(ql_dbg_disc, vha, 0xffff,
"Async done-%s unable to alloc work element\n",
sp->name);
sp->free(sp);
sp->rc = res;
rc = qla2x00_post_nvme_gpnft_done_work(vha, sp, QLA_EVT_GPNFT);
if (!rc) {
qla24xx_sp_unmap(vha, sp);
set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
return;
}
e->u.gpnft.fc4_type = FC4_TYPE_NVME;
sp->rc = res;
e->u.gpnft.sp = sp;
qla2x00_post_work(vha, e);
return;
}
if (cmd == GPN_FT_CMD) {
del_timer(&sp->u.iocb_cmd.timer);
e = qla2x00_alloc_work(vha, QLA_EVT_GPNFT_DONE);
rc = qla2x00_post_gnnft_gpnft_done_work(vha, sp,
QLA_EVT_GPNFT_DONE);
} else {
e = qla2x00_alloc_work(vha, QLA_EVT_GNNFT_DONE);
rc = qla2x00_post_gnnft_gpnft_done_work(vha, sp,
QLA_EVT_GNNFT_DONE);
}
if (!e) {
/* please ignore kernel warning. Otherwise, we have mem leak. */
if (sp->u.iocb_cmd.u.ctarg.req) {
dma_free_coherent(&vha->hw->pdev->dev,
sp->u.iocb_cmd.u.ctarg.req_allocated_size,
sp->u.iocb_cmd.u.ctarg.req,
sp->u.iocb_cmd.u.ctarg.req_dma);
sp->u.iocb_cmd.u.ctarg.req = NULL;
}
if (sp->u.iocb_cmd.u.ctarg.rsp) {
dma_free_coherent(&vha->hw->pdev->dev,
sp->u.iocb_cmd.u.ctarg.rsp_allocated_size,
sp->u.iocb_cmd.u.ctarg.rsp,
sp->u.iocb_cmd.u.ctarg.rsp_dma);
sp->u.iocb_cmd.u.ctarg.rsp = NULL;
}
ql_dbg(ql_dbg_disc, vha, 0xffff,
"Async done-%s unable to alloc work element\n",
sp->name);
sp->free(sp);
if (rc) {
qla24xx_sp_unmap(vha, sp);
set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
return;
}
sp->rc = res;
e->u.iosb.sp = sp;
qla2x00_post_work(vha, e);
}
/*