From: Harish Zunjarrao <harish.zunjarrao@xxxxxxxxxx>
Signed-off-by: Harish Zunjarrao <harish.zunjarrao@xxxxxxxxxx>
Signed-off-by: Vikas Chaudhary <vikas.chaudhary@xxxxxxxxxx>
---
drivers/scsi/qla4xxx/ql4_bsg.c | 147 +++++++++++++++++++++++++++++++++++++++
drivers/scsi/qla4xxx/ql4_bsg.h | 2 +
drivers/scsi/qla4xxx/ql4_fw.h | 5 ++
drivers/scsi/qla4xxx/ql4_glbl.h | 4 +
drivers/scsi/qla4xxx/ql4_mbx.c | 52 ++++++++++++++
5 files changed, 210 insertions(+), 0 deletions(-)
diff --git a/drivers/scsi/qla4xxx/ql4_bsg.c b/drivers/scsi/qla4xxx/ql4_bsg.c
index de4db29..c475453 100644
--- a/drivers/scsi/qla4xxx/ql4_bsg.c
+++ b/drivers/scsi/qla4xxx/ql4_bsg.c
@@ -196,6 +196,147 @@ leave:
return rval;
}
+static int
+qla4xxx_read_nvram(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 offset = 0;
+ uint32_t len = 0;
+ uint32_t total_len = 0;
+ dma_addr_t nvram_dma;
+ uint8_t *nvram = NULL;
+ int rval = -EINVAL;
+
+ bsg_reply->reply_payload_rcv_len = 0;
+
+ if (unlikely(pci_channel_offline(ha->pdev)))
+ goto leave;
+
+ /* Only 40xx adapters are supported */
+ if (!(is_qla4010(ha) || is_qla4022(ha) || is_qla4032(ha)))
+ goto leave;
+
+ if (ql4xxx_reset_active(ha)) {
+ ql4_printk(KERN_ERR, ha, "%s: reset active\n", __func__);
+ rval = -EBUSY;
+ goto leave;
+ }
+
+ offset = bsg_req->rqst_data.h_vendor.vendor_cmd[1];
+ len = bsg_job->reply_payload.payload_len;
+ total_len = offset + len;
+
+ /* total len should not be greater than max NVRAM size */
+ if ((is_qla4010(ha) && total_len > QL4010_NVRAM_SIZE) ||
+ ((is_qla4022(ha) || is_qla4032(ha)) &&
+ total_len > QL40X2_NVRAM_SIZE)) {
+ ql4_printk(KERN_ERR, ha, "%s: offset+len greater than max"
+ " nvram size, offset=%d len=%d\n",
+ __func__, offset, len);
+ goto leave;
+ }
+
+ nvram = dma_alloc_coherent(&ha->pdev->dev, len, &nvram_dma,
+ GFP_KERNEL);
+ if (!nvram) {
+ ql4_printk(KERN_ERR, ha, "%s: dma alloc failed for nvram "
+ "data\n", __func__);
+ rval = -ENOMEM;
+ goto leave;
+ }
+
+ rval = qla4xxx_get_nvram(ha, nvram_dma, offset, len);
+ if (rval) {
+ ql4_printk(KERN_ERR, ha, "%s: get nvram 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,
+ nvram, len);
+ bsg_reply->result = DID_OK << 16;
+ }
+
+ bsg_job_done(bsg_job, bsg_reply->result,
+ bsg_reply->reply_payload_rcv_len);
+ dma_free_coherent(&ha->pdev->dev, len, nvram, nvram_dma);
+leave:
+ return rval;
+}
+
+static int
+qla4xxx_update_nvram(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 offset = 0;
+ uint32_t len = 0;
+ uint32_t total_len = 0;
+ dma_addr_t nvram_dma;
+ uint8_t *nvram = NULL;
+ int rval = -EINVAL;
+
+ bsg_reply->reply_payload_rcv_len = 0;
+
+ if (unlikely(pci_channel_offline(ha->pdev)))
+ goto leave;
+
+ if (!(is_qla4010(ha) || is_qla4022(ha) || is_qla4032(ha)))
+ goto leave;
+
+ if (ql4xxx_reset_active(ha)) {
+ ql4_printk(KERN_ERR, ha, "%s: reset active\n", __func__);
+ rval = -EBUSY;
+ goto leave;
+ }
+
+ offset = bsg_req->rqst_data.h_vendor.vendor_cmd[1];
+ len = bsg_job->request_payload.payload_len;
+ total_len = offset + len;
+
+ /* total len should not be greater than max NVRAM size */
+ if ((is_qla4010(ha) && total_len > QL4010_NVRAM_SIZE) ||
+ ((is_qla4022(ha) || is_qla4032(ha)) &&
+ total_len > QL40X2_NVRAM_SIZE)) {
+ ql4_printk(KERN_ERR, ha, "%s: offset+len greater than max"
+ " nvram size, offset=%d len=%d\n",
+ __func__, offset, len);
+ goto leave;
+ }
+
+ nvram = dma_alloc_coherent(&ha->pdev->dev, len, &nvram_dma,
+ GFP_KERNEL);
+ if (!nvram) {
+ ql4_printk(KERN_ERR, ha, "%s: dma alloc failed for flash "
+ "data\n", __func__);
+ rval = -ENOMEM;
+ goto leave;
+ }
+
+ sg_copy_to_buffer(bsg_job->request_payload.sg_list,
+ bsg_job->request_payload.sg_cnt, nvram, len);
+
+ rval = qla4xxx_set_nvram(ha, nvram_dma, offset, len);
+ 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);
+ dma_free_coherent(&ha->pdev->dev, len, nvram, nvram_dma);
+leave:
+ return rval;
+}
+
/**
* qla4xxx_process_vendor_specific - handle vendor specific bsg request
* @job: iscsi_bsg_job to handle
@@ -217,6 +358,12 @@ int qla4xxx_process_vendor_specific(struct bsg_job *bsg_job)
case QLISCSI_VND_GET_ACB_STATE:
return qla4xxx_get_acb_state(bsg_job);
+ case QLISCSI_VND_READ_NVRAM:
+ return qla4xxx_read_nvram(bsg_job);
+
+ case QLISCSI_VND_UPDATE_NVRAM:
+ return qla4xxx_update_nvram(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 0400e1a..71df80d 100644
--- a/drivers/scsi/qla4xxx/ql4_bsg.h
+++ b/drivers/scsi/qla4xxx/ql4_bsg.h
@@ -11,5 +11,7 @@
#define QLISCSI_VND_READ_FLASH 1
#define QLISCSI_VND_UPDATE_FLASH 2
#define QLISCSI_VND_GET_ACB_STATE 3
+#define QLISCSI_VND_READ_NVRAM 4
+#define QLISCSI_VND_UPDATE_NVRAM 5
#endif
diff --git a/drivers/scsi/qla4xxx/ql4_fw.h b/drivers/scsi/qla4xxx/ql4_fw.h
index 9dc439b..581ff7e 100644
--- a/drivers/scsi/qla4xxx/ql4_fw.h
+++ b/drivers/scsi/qla4xxx/ql4_fw.h
@@ -201,6 +201,9 @@ static inline uint32_t clr_rmask(uint32_t val)
/* ISP 4022 nvram definitions */
#define NVR_WRITE_ENABLE 0x00000010 /* 4022 */
+#define QL4010_NVRAM_SIZE 0x200
+#define QL40X2_NVRAM_SIZE 0x800
+
/* ISP port_status definitions */
/* ISP Semaphore definitions */
@@ -359,6 +362,8 @@ struct qla_flt_region {
#define MBOX_CMD_GET_FW_STATE 0x0069
#define MBOX_CMD_GET_INIT_FW_CTRL_BLOCK_DEFAULTS 0x006A
#define MBOX_CMD_GET_SYS_INFO 0x0078
+#define MBOX_CMD_GET_NVRAM 0x0078 /* For 40xx */
+#define MBOX_CMD_SET_NVRAM 0x0079 /* For 40xx */
#define MBOX_CMD_RESTORE_FACTORY_DEFAULTS 0x0087
#define MBOX_CMD_SET_ACB 0x0088
#define MBOX_CMD_GET_ACB 0x0089
diff --git a/drivers/scsi/qla4xxx/ql4_glbl.h b/drivers/scsi/qla4xxx/ql4_glbl.h
index 5c87696..35bd0c1 100644
--- a/drivers/scsi/qla4xxx/ql4_glbl.h
+++ b/drivers/scsi/qla4xxx/ql4_glbl.h
@@ -162,6 +162,10 @@ int qla4xxx_bootdb_by_index(struct scsi_qla_host *ha,
dma_addr_t fw_ddb_entry_dma, uint16_t ddb_index);
int qla4xxx_get_chap(struct scsi_qla_host *ha, char *username,
char *password, uint16_t idx);
+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);
/* 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 aec7230..011c822 100644
--- a/drivers/scsi/qla4xxx/ql4_mbx.c
+++ b/drivers/scsi/qla4xxx/ql4_mbx.c
@@ -1690,3 +1690,55 @@ int qla4xxx_get_ip_state(struct scsi_qla_host *ha, uint32_t acb_idx,
memcpy(sts, mbox_sts, sizeof(mbox_sts));
return status;
}
+
+int qla4xxx_get_nvram(struct scsi_qla_host *ha, dma_addr_t nvram_dma,
+ uint32_t offset, uint32_t size)
+{
+ 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_GET_NVRAM;
+ mbox_cmd[1] = LSDW(nvram_dma);
+ mbox_cmd[2] = MSDW(nvram_dma);
+ mbox_cmd[3] = offset;
+ mbox_cmd[4] = size;
+
+ status = qla4xxx_mailbox_command(ha, MBOX_REG_COUNT, 1, &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;
+}
+
+int qla4xxx_set_nvram(struct scsi_qla_host *ha, dma_addr_t nvram_dma,
+ uint32_t offset, uint32_t size)
+{
+ 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_SET_NVRAM;
+ mbox_cmd[1] = LSDW(nvram_dma);
+ mbox_cmd[2] = MSDW(nvram_dma);
+ mbox_cmd[3] = offset;
+ mbox_cmd[4] = size;
+
+ status = qla4xxx_mailbox_command(ha, MBOX_REG_COUNT, 1, &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;
+}
--
1.7.6
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