[PATCH 3.12 122/123] qla2xxx: Mark port lost when we receive an RSCN for it.

From: Jiri Slaby
Date: Tue Aug 04 2015 - 10:43:40 EST


From: Chad Dupuis <chad.dupuis@xxxxxxxxxx>

3.12-stable review patch. If anyone has any objections, please let me know.

===============

commit ef86cb2059a14b4024c7320999ee58e938873032 upstream.

Signed-off-by: Chad Dupuis <chad.dupuis@xxxxxxxxxx>
Signed-off-by: Saurav Kashyap <saurav.kashyap@xxxxxxxxxx>
Signed-off-by: Christoph Hellwig <hch@xxxxxx>
Cc: Himanshu Madhani <himanshu.madhani@xxxxxxxxxx>
Signed-off-by: Jiri Slaby <jslaby@xxxxxxx>
---
drivers/scsi/qla2xxx/qla_isr.c | 17 ++++++++++++++++-
1 file changed, 16 insertions(+), 1 deletion(-)

diff --git a/drivers/scsi/qla2xxx/qla_isr.c b/drivers/scsi/qla2xxx/qla_isr.c
index e32fccd6580c..fc4563b1c1d8 100644
--- a/drivers/scsi/qla2xxx/qla_isr.c
+++ b/drivers/scsi/qla2xxx/qla_isr.c
@@ -536,8 +536,9 @@ qla2x00_async_event(scsi_qla_host_t *vha, struct rsp_que *rsp, uint16_t *mb)
struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
struct device_reg_24xx __iomem *reg24 = &ha->iobase->isp24;
struct device_reg_82xx __iomem *reg82 = &ha->iobase->isp82;
- uint32_t rscn_entry, host_pid;
+ uint32_t rscn_entry, host_pid, tmp_pid;
unsigned long flags;
+ fc_port_t *fcport = NULL;

/* Setup to process RIO completion. */
handle_cnt = 0;
@@ -932,6 +933,20 @@ skip_rio:
if (qla2x00_is_a_vp_did(vha, rscn_entry))
break;

+ /*
+ * Search for the rport related to this RSCN entry and mark it
+ * as lost.
+ */
+ list_for_each_entry(fcport, &vha->vp_fcports, list) {
+ if (atomic_read(&fcport->state) != FCS_ONLINE)
+ continue;
+ tmp_pid = fcport->d_id.b24;
+ if (fcport->d_id.b24 == rscn_entry) {
+ qla2x00_mark_device_lost(vha, fcport, 0, 0);
+ break;
+ }
+ }
+
atomic_set(&vha->loop_down_timer, 0);
vha->flags.management_server_logged_in = 0;

--
2.5.0

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/