[SCSI] be2iscsi: Adding bsg interface for be2iscsi
Signed-off-by: Jayamohan Kallickal <jayamohan.kallickal@emulex.com>
Signed-off-by: Mike Christie <michaelc@cs.wisc.edu>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
diff --git a/drivers/scsi/be2iscsi/be_mgmt.c b/drivers/scsi/be2iscsi/be_mgmt.c
index f7d27e9..ccc3852 100644
--- a/drivers/scsi/be2iscsi/be_mgmt.c
+++ b/drivers/scsi/be2iscsi/be_mgmt.c
@@ -17,9 +17,11 @@
* Costa Mesa, CA 92626
*/
+#include <linux/bsg-lib.h>
+#include <scsi/scsi_transport_iscsi.h>
+#include <scsi/scsi_bsg_iscsi.h>
#include "be_mgmt.h"
#include "be_iscsi.h"
-#include <scsi/scsi_transport_iscsi.h>
unsigned int beiscsi_get_boot_target(struct beiscsi_hba *phba)
{
@@ -187,6 +189,72 @@
return status;
}
+unsigned int mgmt_vendor_specific_fw_cmd(struct be_ctrl_info *ctrl,
+ struct beiscsi_hba *phba,
+ struct bsg_job *job,
+ struct be_dma_mem *nonemb_cmd)
+{
+ struct be_cmd_resp_hdr *resp;
+ struct be_mcc_wrb *wrb = wrb_from_mccq(phba);
+ struct be_sge *mcc_sge = nonembedded_sgl(wrb);
+ unsigned int tag = 0;
+ struct iscsi_bsg_request *bsg_req = job->request;
+ struct be_bsg_vendor_cmd *req = nonemb_cmd->va;
+ unsigned short region, sector_size, sector, offset;
+
+ nonemb_cmd->size = job->request_payload.payload_len;
+ memset(nonemb_cmd->va, 0, nonemb_cmd->size);
+ resp = nonemb_cmd->va;
+ region = bsg_req->rqst_data.h_vendor.vendor_cmd[1];
+ sector_size = bsg_req->rqst_data.h_vendor.vendor_cmd[2];
+ sector = bsg_req->rqst_data.h_vendor.vendor_cmd[3];
+ offset = bsg_req->rqst_data.h_vendor.vendor_cmd[4];
+ req->region = region;
+ req->sector = sector;
+ req->offset = offset;
+ spin_lock(&ctrl->mbox_lock);
+ memset(wrb, 0, sizeof(*wrb));
+
+ switch (bsg_req->rqst_data.h_vendor.vendor_cmd[0]) {
+ case BEISCSI_WRITE_FLASH:
+ offset = sector * sector_size + offset;
+ be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_ISCSI,
+ OPCODE_COMMON_WRITE_FLASH, sizeof(*req));
+ sg_copy_to_buffer(job->request_payload.sg_list,
+ job->request_payload.sg_cnt,
+ nonemb_cmd->va + offset, job->request_len);
+ break;
+ case BEISCSI_READ_FLASH:
+ be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_ISCSI,
+ OPCODE_COMMON_READ_FLASH, sizeof(*req));
+ break;
+ default:
+ shost_printk(KERN_WARNING, phba->shost,
+ "Unsupported cmd = 0x%x\n\n", bsg_req->rqst_data.
+ h_vendor.vendor_cmd[0]);
+ spin_unlock(&ctrl->mbox_lock);
+ return -ENOSYS;
+ }
+
+ tag = alloc_mcc_tag(phba);
+ if (!tag) {
+ spin_unlock(&ctrl->mbox_lock);
+ return tag;
+ }
+
+ be_wrb_hdr_prepare(wrb, nonemb_cmd->size, false,
+ job->request_payload.sg_cnt);
+ mcc_sge->pa_hi = cpu_to_le32(upper_32_bits(nonemb_cmd->dma));
+ mcc_sge->pa_lo = cpu_to_le32(nonemb_cmd->dma & 0xFFFFFFFF);
+ mcc_sge->len = cpu_to_le32(nonemb_cmd->size);
+ wrb->tag0 |= tag;
+
+ be_mcc_notify(phba);
+
+ spin_unlock(&ctrl->mbox_lock);
+ return tag;
+}
+
int mgmt_epfw_cleanup(struct beiscsi_hba *phba, unsigned short chute)
{
struct be_ctrl_info *ctrl = &phba->ctrl;