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authorVikas Chaudhary <vikas.chaudhary@qlogic.com>2013-11-22 05:28:17 -0500
committerJames Bottomley <JBottomley@Parallels.com>2013-12-19 20:56:25 -0800
commitdf86f771578209599acc871a03f02346c8d7885b (patch)
tree1532bc2abf8f6479a5bd34238ba917bc0a144c69 /drivers/scsi/qla4xxx/ql4_mbx.c
parent2da11ad218b1a30f46b4c8fdfa39aff6584c370b (diff)
downloadop-kernel-dev-df86f771578209599acc871a03f02346c8d7885b.zip
op-kernel-dev-df86f771578209599acc871a03f02346c8d7885b.tar.gz
[SCSI] qla4xxx: Added support for Diagnostics MBOX command
Added support for Diagnostics MBOX command via BSG Vendor HST_VENDOR interface. This command provides various tests for validating hardware functionality. 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.c43
1 files changed, 43 insertions, 0 deletions
diff --git a/drivers/scsi/qla4xxx/ql4_mbx.c b/drivers/scsi/qla4xxx/ql4_mbx.c
index 351793c..9ae8ca3 100644
--- a/drivers/scsi/qla4xxx/ql4_mbx.c
+++ b/drivers/scsi/qla4xxx/ql4_mbx.c
@@ -2416,3 +2416,46 @@ exit_config_acb:
rval == QLA_SUCCESS ? "SUCCEEDED" : "FAILED"));
return rval;
}
+
+int qla4_83xx_get_port_config(struct scsi_qla_host *ha, uint32_t *config)
+{
+ uint32_t mbox_cmd[MBOX_REG_COUNT];
+ uint32_t mbox_sts[MBOX_REG_COUNT];
+ int status;
+
+ memset(&mbox_cmd, 0, sizeof(mbox_cmd));
+ memset(&mbox_sts, 0, sizeof(mbox_sts));
+
+ mbox_cmd[0] = MBOX_CMD_GET_PORT_CONFIG;
+
+ status = qla4xxx_mailbox_command(ha, MBOX_REG_COUNT, MBOX_REG_COUNT,
+ mbox_cmd, mbox_sts);
+ if (status == QLA_SUCCESS)
+ *config = mbox_sts[1];
+ else
+ ql4_printk(KERN_ERR, ha, "%s: failed status %04X\n", __func__,
+ mbox_sts[0]);
+
+ return status;
+}
+
+int qla4_83xx_set_port_config(struct scsi_qla_host *ha, uint32_t *config)
+{
+ uint32_t mbox_cmd[MBOX_REG_COUNT];
+ uint32_t mbox_sts[MBOX_REG_COUNT];
+ int status;
+
+ memset(&mbox_cmd, 0, sizeof(mbox_cmd));
+ memset(&mbox_sts, 0, sizeof(mbox_sts));
+
+ mbox_cmd[0] = MBOX_CMD_SET_PORT_CONFIG;
+ mbox_cmd[1] = *config;
+
+ status = qla4xxx_mailbox_command(ha, MBOX_REG_COUNT, MBOX_REG_COUNT,
+ mbox_cmd, mbox_sts);
+ if (status != QLA_SUCCESS)
+ ql4_printk(KERN_ERR, ha, "%s: failed status %04X\n", __func__,
+ mbox_sts[0]);
+
+ return status;
+}
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