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;
+}
+
+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;
+}
+
+static int
+qla4xxx_bsg_get_acb(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 acb_type = 0;
+ uint32_t len = 0;
+ dma_addr_t acb_dma;
+ uint8_t *acb = NULL;
+ int rval = -EINVAL;
+
+ bsg_reply->reply_payload_rcv_len = 0;
+
+ if (unlikely(pci_channel_offline(ha->pdev)))
+ goto leave;
+
+ /* Only 4022 and above adapters are supported */
+ 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;
+ }
+
+ acb_type = bsg_req->rqst_data.h_vendor.vendor_cmd[1];
+ len = bsg_job->reply_payload.payload_len;
+ if (len < sizeof(struct addr_ctrl_blk)) {
+ ql4_printk(KERN_ERR, ha, "%s: invalid acb len %d\n",
+ __func__, len);
+ rval = -EINVAL;
+ goto leave;
+ }
+
+ acb = dma_alloc_coherent(&ha->pdev->dev, len, &acb_dma, GFP_KERNEL);
+ if (!acb) {
+ ql4_printk(KERN_ERR, ha, "%s: dma alloc failed for acb "
+ "data\n", __func__);
+ rval = -ENOMEM;
+ goto leave;
+ }
+
+ rval = qla4xxx_get_acb(ha, acb_dma, acb_type, len);
+ if (rval) {
+ ql4_printk(KERN_ERR, ha, "%s: get acb 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,
+ acb, 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, acb, acb_dma);
+leave:
+ return rval;
+}
+
/**
* qla4xxx_process_vendor_specific - handle vendor specific bsg request
* @job: iscsi_bsg_job to handle
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);
+
+ case QLISCSI_VND_RESTORE_DEFAULTS:
+ return qla4xxx_restore_defaults(bsg_job);
+
+ case QLISCSI_VND_GET_ACB:
+ return qla4xxx_bsg_get_acb(bsg_job);
+
default:
ql4_printk(KERN_ERR, ha, "%s: invalid BSG vendor command: "
"0x%x\n", __func__, bsg_req->msgcode);