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authorSatish Kharat <satishkh@cisco.com>2019-01-15 04:09:28 +0300
committerMartin K. Petersen <martin.petersen@oracle.com>2019-01-23 05:18:34 +0300
commit68e3cc02bcfc4f55a47333ee7d8fe1a9b41d72c3 (patch)
treee77e7f2c90e80553ad8c607171e433c30ba1b9cb /drivers/scsi/fnic
parent120dbfd94c4d5c9634d1f8fb12aa92520eee117c (diff)
downloadlinux-68e3cc02bcfc4f55a47333ee7d8fe1a9b41d72c3.tar.xz
scsi: fnic: RQ enable and then post descriptors
Do RQ enable before posting descriptor. This is needed for later hw revisions. Signed-off-by: Satish Kharat <satishkh@cisco.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Diffstat (limited to 'drivers/scsi/fnic')
-rw-r--r--drivers/scsi/fnic/fnic_main.c5
-rw-r--r--drivers/scsi/fnic/vnic_devcmd.h2
2 files changed, 4 insertions, 3 deletions
diff --git a/drivers/scsi/fnic/fnic_main.c b/drivers/scsi/fnic/fnic_main.c
index 7a5665acf280..25e0414b6cb0 100644
--- a/drivers/scsi/fnic/fnic_main.c
+++ b/drivers/scsi/fnic/fnic_main.c
@@ -654,7 +654,7 @@ static int fnic_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
}
err = fnic_dev_wait(fnic->vdev, vnic_dev_open,
- vnic_dev_open_done, 0);
+ vnic_dev_open_done, CMD_OPENF_RQ_ENABLE_THEN_POST);
if (err) {
shost_printk(KERN_ERR, fnic->lport->host,
"vNIC dev open failed, aborting.\n");
@@ -799,6 +799,7 @@ static int fnic_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
/* allocate RQ buffers and post them to RQ*/
for (i = 0; i < fnic->rq_count; i++) {
+ vnic_rq_enable(&fnic->rq[i]);
err = vnic_rq_fill(&fnic->rq[i], fnic_alloc_rq_frame);
if (err) {
shost_printk(KERN_ERR, fnic->lport->host,
@@ -873,8 +874,6 @@ static int fnic_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
/* Enable all queues */
for (i = 0; i < fnic->raw_wq_count; i++)
vnic_wq_enable(&fnic->wq[i]);
- for (i = 0; i < fnic->rq_count; i++)
- vnic_rq_enable(&fnic->rq[i]);
for (i = 0; i < fnic->wq_copy_count; i++)
vnic_wq_copy_enable(&fnic->wq_copy[i]);
diff --git a/drivers/scsi/fnic/vnic_devcmd.h b/drivers/scsi/fnic/vnic_devcmd.h
index 3e2fcbda6aed..1a2a13bd6442 100644
--- a/drivers/scsi/fnic/vnic_devcmd.h
+++ b/drivers/scsi/fnic/vnic_devcmd.h
@@ -268,6 +268,8 @@ enum vnic_devcmd_cmd {
/* flags for CMD_OPEN */
#define CMD_OPENF_OPROM 0x1 /* open coming from option rom */
+#define CMD_OPENF_RQ_ENABLE_THEN_POST 0x2
+
/* flags for CMD_INIT */
#define CMD_INITF_DEFAULT_MAC 0x1 /* init with default mac addr */