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authorVikas Chaudhary <vikas.chaudhary@qlogic.com>2013-03-07 05:43:09 -0500
committerJames Bottomley <JBottomley@Parallels.com>2013-04-10 11:41:56 -0700
commitebd777dec72991a26af247ab83c8f7f288b28621 (patch)
treec52715858a7482997cd896da049b945d8214be4a /drivers/scsi/qla4xxx
parent3e788fb16d7f9a909ed45f9f0f331d5cd0283f18 (diff)
downloadop-kernel-dev-ebd777dec72991a26af247ab83c8f7f288b28621.zip
op-kernel-dev-ebd777dec72991a26af247ab83c8f7f288b28621.tar.gz
[SCSI] qla4xxx: Set graceful reset bit for ISP83XX
For ISP83XX set graceful reset bit in IDC_DRV_CTRL if reset is issued by application Signed-off-by: Vikas Chaudhary <vikas.chaudhary@qlogic.com> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
Diffstat (limited to 'drivers/scsi/qla4xxx')
-rw-r--r--drivers/scsi/qla4xxx/ql4_os.c9
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/scsi/qla4xxx/ql4_os.c b/drivers/scsi/qla4xxx/ql4_os.c
index 1c387e7..b3ccb1a 100644
--- a/drivers/scsi/qla4xxx/ql4_os.c
+++ b/drivers/scsi/qla4xxx/ql4_os.c
@@ -6081,6 +6081,7 @@ static int qla4xxx_host_reset(struct Scsi_Host *shost, int reset_type)
{
struct scsi_qla_host *ha = to_qla_host(shost);
int rval = QLA_SUCCESS;
+ uint32_t idc_ctrl;
if (ql4xdontresethba) {
DEBUG2(ql4_printk(KERN_INFO, ha, "%s: Don't Reset HBA\n",
@@ -6111,6 +6112,14 @@ static int qla4xxx_host_reset(struct Scsi_Host *shost, int reset_type)
}
recover_adapter:
+ /* For ISP83XX set graceful reset bit in IDC_DRV_CTRL if
+ * reset is issued by application */
+ if (is_qla8032(ha) && test_bit(DPC_RESET_HA, &ha->dpc_flags)) {
+ idc_ctrl = qla4_83xx_rd_reg(ha, QLA83XX_IDC_DRV_CTRL);
+ qla4_83xx_wr_reg(ha, QLA83XX_IDC_DRV_CTRL,
+ (idc_ctrl | GRACEFUL_RESET_BIT1));
+ }
+
rval = qla4xxx_recover_adapter(ha);
if (rval != QLA_SUCCESS) {
DEBUG2(ql4_printk(KERN_INFO, ha, "%s: recover adapter fail\n",
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