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authorHarish Zunjarrao <harish.zunjarrao@qlogic.com>2011-08-12 13:51:26 +0400
committerJames Bottomley <JBottomley@Parallels.com>2011-08-27 18:36:43 +0400
commit5232f801bd0cfb4122e9a28ff942965c3c485fa7 (patch)
tree1d984822ae92a0cf497897ca8aad56d32a8a8d08 /drivers/scsi
parentdfcf7775815504d13a1d273073810058caf84b9d (diff)
downloadlinux-5232f801bd0cfb4122e9a28ff942965c3c485fa7.tar.xz
[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')
-rw-r--r--drivers/scsi/qla4xxx/ql4_bsg.c47
-rw-r--r--drivers/scsi/qla4xxx/ql4_bsg.h1
-rw-r--r--drivers/scsi/qla4xxx/ql4_glbl.h3
-rw-r--r--drivers/scsi/qla4xxx/ql4_mbx.c26
4 files changed, 77 insertions, 0 deletions
diff --git a/drivers/scsi/qla4xxx/ql4_bsg.c b/drivers/scsi/qla4xxx/ql4_bsg.c
index c47545356f7b..4704a52eaecd 100644
--- a/drivers/scsi/qla4xxx/ql4_bsg.c
+++ b/drivers/scsi/qla4xxx/ql4_bsg.c
@@ -337,6 +337,50 @@ leave:
return rval;
}
+static int
+qla4xxx_restore_defaults(struct bsg_job *bsg_job)
+{
+ struct Scsi_Host *host = iscsi_job_to_shost(bsg_job);
+ struct scsi_qla_host *ha = to_qla_host(host);
+ struct iscsi_bsg_request *bsg_req = bsg_job->request;
+ struct iscsi_bsg_reply *bsg_reply = bsg_job->reply;
+ uint32_t region = 0;
+ uint32_t field0 = 0;
+ uint32_t field1 = 0;
+ int rval = -EINVAL;
+
+ bsg_reply->reply_payload_rcv_len = 0;
+
+ if (unlikely(pci_channel_offline(ha->pdev)))
+ goto leave;
+
+ if (is_qla4010(ha))
+ goto leave;
+
+ if (ql4xxx_reset_active(ha)) {
+ ql4_printk(KERN_ERR, ha, "%s: reset active\n", __func__);
+ rval = -EBUSY;
+ goto leave;
+ }
+
+ region = bsg_req->rqst_data.h_vendor.vendor_cmd[1];
+ field0 = bsg_req->rqst_data.h_vendor.vendor_cmd[2];
+ field1 = bsg_req->rqst_data.h_vendor.vendor_cmd[3];
+
+ rval = qla4xxx_restore_factory_defaults(ha, region, field0, field1);
+ if (rval) {
+ ql4_printk(KERN_ERR, ha, "%s: set nvram failed\n", __func__);
+ bsg_reply->result = DID_ERROR << 16;
+ rval = -EIO;
+ } else
+ bsg_reply->result = DID_OK << 16;
+
+ bsg_job_done(bsg_job, bsg_reply->result,
+ bsg_reply->reply_payload_rcv_len);
+leave:
+ return rval;
+}
+
/**
* qla4xxx_process_vendor_specific - handle vendor specific bsg request
* @job: iscsi_bsg_job to handle
@@ -364,6 +408,9 @@ int qla4xxx_process_vendor_specific(struct bsg_job *bsg_job)
case QLISCSI_VND_UPDATE_NVRAM:
return qla4xxx_update_nvram(bsg_job);
+ case QLISCSI_VND_RESTORE_DEFAULTS:
+ return qla4xxx_restore_defaults(bsg_job);
+
default:
ql4_printk(KERN_ERR, ha, "%s: invalid BSG vendor command: "
"0x%x\n", __func__, bsg_req->msgcode);
diff --git a/drivers/scsi/qla4xxx/ql4_bsg.h b/drivers/scsi/qla4xxx/ql4_bsg.h
index 71df80d612da..84a1391f9865 100644
--- a/drivers/scsi/qla4xxx/ql4_bsg.h
+++ b/drivers/scsi/qla4xxx/ql4_bsg.h
@@ -13,5 +13,6 @@
#define QLISCSI_VND_GET_ACB_STATE 3
#define QLISCSI_VND_READ_NVRAM 4
#define QLISCSI_VND_UPDATE_NVRAM 5
+#define QLISCSI_VND_RESTORE_DEFAULTS 6
#endif
diff --git a/drivers/scsi/qla4xxx/ql4_glbl.h b/drivers/scsi/qla4xxx/ql4_glbl.h
index 35bd0c1ede38..1a0f60187ad6 100644
--- a/drivers/scsi/qla4xxx/ql4_glbl.h
+++ b/drivers/scsi/qla4xxx/ql4_glbl.h
@@ -166,6 +166,9 @@ int qla4xxx_get_nvram(struct scsi_qla_host *ha, dma_addr_t nvram_dma,
uint32_t offset, uint32_t size);
int qla4xxx_set_nvram(struct scsi_qla_host *ha, dma_addr_t nvram_dma,
uint32_t offset, uint32_t size);
+int qla4xxx_restore_factory_defaults(struct scsi_qla_host *ha,
+ uint32_t region, uint32_t field0,
+ uint32_t field1);
/* BSG Functions */
int qla4xxx_bsg_request(struct bsg_job *bsg_job);
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;
+}