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authorHarish Zunjarrao <harish.zunjarrao@qlogic.com>2011-08-12 02:51:26 -0700
committerJames Bottomley <JBottomley@Parallels.com>2011-08-27 08:36:43 -0600
commit5232f801bd0cfb4122e9a28ff942965c3c485fa7 (patch)
tree1d984822ae92a0cf497897ca8aad56d32a8a8d08 /drivers/scsi/qla4xxx/ql4_mbx.c
parentdfcf7775815504d13a1d273073810058caf84b9d (diff)
[SCSI] qla4xxx: Added restore factory defaults support using BSG
This command will causes the firmware to update all configurations to pre-defined factory default settings. Signed-off-by: Harish Zunjarrao <harish.zunjarrao@qlogic.com> 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_mbx.c')
-rw-r--r--drivers/scsi/qla4xxx/ql4_mbx.c26
1 files changed, 26 insertions, 0 deletions
diff --git a/drivers/scsi/qla4xxx/ql4_mbx.c b/drivers/scsi/qla4xxx/ql4_mbx.c
index e843758da3d4..dfc38aa8740d 100644
--- a/drivers/scsi/qla4xxx/ql4_mbx.c
+++ b/drivers/scsi/qla4xxx/ql4_mbx.c
@@ -1744,3 +1744,29 @@ int qla4xxx_set_nvram(struct scsi_qla_host *ha, dma_addr_t nvram_dma,
}
return status;
}
+
+int qla4xxx_restore_factory_defaults(struct scsi_qla_host *ha,
+ uint32_t region, uint32_t field0,
+ uint32_t field1)
+{
+ int status = QLA_SUCCESS;
+ uint32_t mbox_cmd[MBOX_REG_COUNT];
+ uint32_t mbox_sts[MBOX_REG_COUNT];
+
+ memset(&mbox_cmd, 0, sizeof(mbox_cmd));
+ memset(&mbox_sts, 0, sizeof(mbox_sts));
+
+ mbox_cmd[0] = MBOX_CMD_RESTORE_FACTORY_DEFAULTS;
+ mbox_cmd[3] = region;
+ mbox_cmd[4] = field0;
+ mbox_cmd[5] = field1;
+
+ status = qla4xxx_mailbox_command(ha, MBOX_REG_COUNT, 3, &mbox_cmd[0],
+ &mbox_sts[0]);
+ if (status != QLA_SUCCESS) {
+ DEBUG2(ql4_printk(KERN_ERR, ha, "scsi%ld: %s: failed "
+ "status %04X\n", ha->host_no, __func__,
+ mbox_sts[0]));
+ }
+ return status;
+}