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authorVikas Chaudhary <vikas.chaudhary@qlogic.com>2013-12-16 06:49:34 -0500
committerJames Bottomley <JBottomley@Parallels.com>2014-03-15 10:19:12 -0700
commit80645dc0ffb7361726374bcc7bfc29337e8a385d (patch)
tree82e03d717e15d8289f6fee26cbb02f16c414639b /drivers/scsi/qla4xxx/ql4_83xx.c
parentc4e3c368675befdbc189e0de5776eb32e8b7b98e (diff)
downloadlinux-80645dc0ffb7361726374bcc7bfc29337e8a385d.tar.bz2
[SCSI] qla4xxx: Use IDC_CTRL bit1 directly instead of AF_83XX_NO_FWDUMP flag.
Removed AF_83XX_NO_FWDUMP flag and directly checking IDC_CTRL bit1 while taking minidump, to check for graceful reset. Signed-off-by: Vikas Chaudhary <vikas.chaudhary@qlogic.com> Reviewed-by: Mike Christie <michaelc@cs.wisc.edu> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
Diffstat (limited to 'drivers/scsi/qla4xxx/ql4_83xx.c')
-rw-r--r--drivers/scsi/qla4xxx/ql4_83xx.c16
1 files changed, 14 insertions, 2 deletions
diff --git a/drivers/scsi/qla4xxx/ql4_83xx.c b/drivers/scsi/qla4xxx/ql4_83xx.c
index c105b6eebf2b..2eba35365920 100644
--- a/drivers/scsi/qla4xxx/ql4_83xx.c
+++ b/drivers/scsi/qla4xxx/ql4_83xx.c
@@ -1304,12 +1304,24 @@ static void qla4_83xx_process_init_seq(struct scsi_qla_host *ha)
static int qla4_83xx_restart(struct scsi_qla_host *ha)
{
int ret_val = QLA_SUCCESS;
+ uint32_t idc_ctrl;
qla4_83xx_process_stop_seq(ha);
- /* Collect minidump*/
- if (!test_and_clear_bit(AF_83XX_NO_FW_DUMP, &ha->flags))
+ /*
+ * Collect minidump.
+ * If IDC_CTRL BIT1 is set, clear it on going to INIT state and
+ * don't collect minidump
+ */
+ idc_ctrl = qla4_83xx_rd_reg(ha, QLA83XX_IDC_DRV_CTRL);
+ if (idc_ctrl & GRACEFUL_RESET_BIT1) {
+ qla4_83xx_wr_reg(ha, QLA83XX_IDC_DRV_CTRL,
+ (idc_ctrl & ~GRACEFUL_RESET_BIT1));
+ ql4_printk(KERN_INFO, ha, "%s: Graceful RESET: Not collecting minidump\n",
+ __func__);
+ } else {
qla4_8xxx_get_minidump(ha);
+ }
qla4_83xx_process_init_seq(ha);