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Subject[PATCH 3.16.y-ckt 079/130] qla2xxx: Mark port lost when we receive an RSCN for it.
Date
3.16.7-ckt17 -stable review patch.  If anyone has any objections, please let me know.

------------------

From: Chad Dupuis <chad.dupuis@qlogic.com>

commit ef86cb2059a14b4024c7320999ee58e938873032 upstream.

Signed-off-by: Chad Dupuis <chad.dupuis@qlogic.com>
Signed-off-by: Saurav Kashyap <saurav.kashyap@qlogic.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Cc: Himanshu Madhani <himanshu.madhani@qlogic.com>
Signed-off-by: Luis Henriques <luis.henriques@canonical.com>
---
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 a56825c73c31..e87f4a62af0c 100644
--- a/drivers/scsi/qla2xxx/qla_isr.c
+++ b/drivers/scsi/qla2xxx/qla_isr.c
@@ -573,8 +573,9 @@ 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;
@@ -969,6 +970,20 @@ 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;


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