From: Adheer Chandravanshi <adheer.chandravanshi@xxxxxxxxxx>
Signed-off-by: Adheer Chandravanshi <adheer.chandravanshi@xxxxxxxxxx>
Signed-off-by: Vikas Chaudhary <vikas.chaudhary@xxxxxxxxxx>
---
drivers/scsi/qla4xxx/ql4_bsg.c | 62 +++++++++++++++++++++++++++++++++++++++
drivers/scsi/qla4xxx/ql4_bsg.h | 1 +
drivers/scsi/qla4xxx/ql4_glbl.h | 2 +-
drivers/scsi/qla4xxx/ql4_init.c | 2 +-
drivers/scsi/qla4xxx/ql4_mbx.c | 8 ++++-
5 files changed, 72 insertions(+), 3 deletions(-)
diff --git a/drivers/scsi/qla4xxx/ql4_bsg.c b/drivers/scsi/qla4xxx/ql4_bsg.c
index 8acdc58..e2c58aa 100644
--- a/drivers/scsi/qla4xxx/ql4_bsg.c
+++ b/drivers/scsi/qla4xxx/ql4_bsg.c
@@ -446,6 +446,65 @@ leave:
return rval;
}
+static int qla4xxx_bsg_about_firmware(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_reply *bsg_reply = bsg_job->reply;
+ uint8_t *about_fw = NULL;
+ uint32_t len = 0;
+ int rval = -EINVAL;
+
+ bsg_reply->reply_payload_rcv_len = 0;
+
+ if (unlikely(pci_channel_offline(ha->pdev)))
+ goto exit_about_firmware;
+
+ if (ql4xxx_reset_active(ha)) {
+ ql4_printk(KERN_ERR, ha, "%s: reset active\n", __func__);
+ rval = -EBUSY;
+ goto exit_about_firmware;
+ }
+
+ len = bsg_job->reply_payload.payload_len;
+ if (len < sizeof(struct about_fw_info) + (sizeof(uint32_t) << 3)) {
+ ql4_printk(KERN_ERR, ha, "%s: invalid fw detail len %d\n",
+ __func__, len);
+ rval = -EINVAL;
+ goto exit_about_firmware;
+ }
+
+ about_fw = kmalloc(len, GFP_KERNEL);
+ if (!about_fw) {
+ ql4_printk(KERN_ERR, ha, "%s: Unable to allocate memory for about_fw\n",
+ __func__);
+ rval = -ENOMEM;
+ goto exit_about_firmware;
+ }
+
+ memset(about_fw, 0, len);
+ rval = qla4xxx_about_firmware(ha, about_fw);
+ if (rval) {
+ ql4_printk(KERN_ERR, ha, "%s: about firmware failed\n",
+ __func__);
+ bsg_reply->result = DID_ERROR << 16;
+ rval = -EIO;
+ } else {
+ bsg_reply->reply_payload_rcv_len =
+ sg_copy_from_buffer(bsg_job->reply_payload.sg_list,
+ bsg_job->reply_payload.sg_cnt,
+ about_fw, len);
+ bsg_reply->result = DID_OK << 16;
+ }
+
+ bsg_job_done(bsg_job, bsg_reply->result,
+ bsg_reply->reply_payload_rcv_len);
+
+ kfree(about_fw);
+exit_about_firmware:
+ return rval;
+}
+
/**
* qla4xxx_process_vendor_specific - handle vendor specific bsg request
* @job: iscsi_bsg_job to handle
@@ -479,6 +538,9 @@ int qla4xxx_process_vendor_specific(struct bsg_job *bsg_job)
case QLISCSI_VND_GET_ACB:
return qla4xxx_bsg_get_acb(bsg_job);
+ case QLISCSI_VND_ABOUT_FIRMWARE:
+ return qla4xxx_bsg_about_firmware(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 c6a03645..c530213 100644
--- a/drivers/scsi/qla4xxx/ql4_bsg.h
+++ b/drivers/scsi/qla4xxx/ql4_bsg.h
@@ -15,5 +15,6 @@
#define QLISCSI_VND_UPDATE_NVRAM 5
#define QLISCSI_VND_RESTORE_DEFAULTS 6
#define QLISCSI_VND_GET_ACB 7
+#define QLISCSI_VND_ABOUT_FIRMWARE 8
#endif
diff --git a/drivers/scsi/qla4xxx/ql4_glbl.h b/drivers/scsi/qla4xxx/ql4_glbl.h
index 57a5a3c..2049c3a 100644
--- a/drivers/scsi/qla4xxx/ql4_glbl.h
+++ b/drivers/scsi/qla4xxx/ql4_glbl.h
@@ -65,7 +65,7 @@ u16 rd_nvram_word(struct scsi_qla_host *ha, int offset);
u8 rd_nvram_byte(struct scsi_qla_host *ha, int offset);
void qla4xxx_get_crash_record(struct scsi_qla_host *ha);
int qla4xxx_is_nvram_configuration_valid(struct scsi_qla_host *ha);
-int qla4xxx_about_firmware(struct scsi_qla_host *ha);
+int qla4xxx_about_firmware(struct scsi_qla_host *ha, uint8_t *fw_info);
void qla4xxx_interrupt_service_routine(struct scsi_qla_host *ha,
uint32_t intr_status);
int qla4xxx_init_rings(struct scsi_qla_host *ha);
diff --git a/drivers/scsi/qla4xxx/ql4_init.c b/drivers/scsi/qla4xxx/ql4_init.c
index 1aca1b4..7a09145 100644
--- a/drivers/scsi/qla4xxx/ql4_init.c
+++ b/drivers/scsi/qla4xxx/ql4_init.c
@@ -935,7 +935,7 @@ int qla4xxx_initialize_adapter(struct scsi_qla_host *ha, int is_reset)
if (ha->isp_ops->start_firmware(ha) == QLA_ERROR)
goto exit_init_hba;
- if (qla4xxx_about_firmware(ha) == QLA_ERROR)
+ if (qla4xxx_about_firmware(ha, NULL) == QLA_ERROR)
goto exit_init_hba;
if (ha->isp_ops->get_sys_info(ha) == QLA_ERROR)
diff --git a/drivers/scsi/qla4xxx/ql4_mbx.c b/drivers/scsi/qla4xxx/ql4_mbx.c
index 3d41034..0b4152d 100644
--- a/drivers/scsi/qla4xxx/ql4_mbx.c
+++ b/drivers/scsi/qla4xxx/ql4_mbx.c
@@ -1192,7 +1192,7 @@ int qla4xxx_get_flash(struct scsi_qla_host * ha, dma_addr_t dma_addr,
* Mailboxes 2 & 3 may hold an address for data. Make sure that we write 0 to
* those mailboxes, if unused.
**/
-int qla4xxx_about_firmware(struct scsi_qla_host *ha)
+int qla4xxx_about_firmware(struct scsi_qla_host *ha, uint8_t *fw_info)
{
struct about_fw_info *about_fw = NULL;
dma_addr_t about_fw_dma;
@@ -1240,6 +1240,12 @@ int qla4xxx_about_firmware(struct scsi_qla_host *ha)
ha->bootload_build = le16_to_cpu(about_fw->bootload_build);
status = QLA_SUCCESS;
+ if (fw_info) {
+ memcpy(fw_info, about_fw, sizeof(struct about_fw_info));
+ memcpy(fw_info + sizeof(struct about_fw_info), &mbox_sts[0],
+ sizeof(mbox_sts));
+ }
+
exit_about_fw:
dma_free_coherent(&ha->pdev->dev, sizeof(struct about_fw_info),
about_fw, about_fw_dma);
--
1.7.8.GIT
--
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