scsi: make reqops const

Also delete a stale occurrence of SCSIReqOps inside SCSIDeviceInfo.
Signed-off-by: NPaolo Bonzini <pbonzini@redhat.com>
Signed-off-by: NKevin Wolf <kwolf@redhat.com>

hw/scsi-bus.c

@@ -160,7 +160,7 @@ static int32_t scsi_invalid_command(SCSIRequest *req, uint8_t *buf)
     return 0;
 }
 
-struct SCSIReqOps reqops_invalid_opcode = {
+static const struct SCSIReqOps reqops_invalid_opcode = {
     .size         = sizeof(SCSIRequest),
     .send_command = scsi_invalid_command
 };
@@ -178,7 +178,7 @@ static int32_t scsi_unit_attention(SCSIRequest *req, uint8_t *buf)
     return 0;
 }
 
-struct SCSIReqOps reqops_unit_attention = {
+static const struct SCSIReqOps reqops_unit_attention = {
     .size         = sizeof(SCSIRequest),
     .send_command = scsi_unit_attention
 };
@@ -386,7 +386,7 @@ static uint8_t *scsi_target_get_buf(SCSIRequest *req)
     return r->buf;
 }
 
-struct SCSIReqOps reqops_target_command = {
+static const struct SCSIReqOps reqops_target_command = {
     .size         = sizeof(SCSITargetReq),
     .send_command = scsi_target_send_command,
     .read_data    = scsi_target_read_data,
@@ -394,8 +394,8 @@ struct SCSIReqOps reqops_target_command = {
 };
 
 
-SCSIRequest *scsi_req_alloc(SCSIReqOps *reqops, SCSIDevice *d, uint32_t tag,
-                            uint32_t lun, void *hba_private)
+SCSIRequest *scsi_req_alloc(const SCSIReqOps *reqops, SCSIDevice *d,
+                            uint32_t tag, uint32_t lun, void *hba_private)
 {
     SCSIRequest *req;
 

hw/scsi-disk.c

@@ -1588,7 +1588,7 @@ static int scsi_disk_initfn(SCSIDevice *dev)
     }
 }
 
-static SCSIReqOps scsi_disk_reqops = {
+static const SCSIReqOps scsi_disk_reqops = {
     .size         = sizeof(SCSIDiskReq),
     .free_req     = scsi_free_request,
     .send_command = scsi_send_command,

hw/scsi-generic.c

@@ -420,7 +420,7 @@ static int scsi_generic_initfn(SCSIDevice *s)
     return 0;
 }
 
-static SCSIReqOps scsi_generic_req_ops = {
+static const SCSIReqOps scsi_generic_req_ops = {
     .size         = sizeof(SCSIGenericReq),
     .free_req     = scsi_free_request,
     .send_command = scsi_send_command,

hw/scsi.h

@@ -41,7 +41,7 @@ struct SCSICommand {
 struct SCSIRequest {
     SCSIBus           *bus;
     SCSIDevice        *dev;
-    SCSIReqOps        *ops;
+    const SCSIReqOps  *ops;
     uint32_t          refcount;
     uint32_t          tag;
     uint32_t          lun;
@@ -96,7 +96,6 @@ struct SCSIDeviceInfo {
     SCSIRequest *(*alloc_req)(SCSIDevice *s, uint32_t tag, uint32_t lun,
                               void *hba_private);
     void (*unit_attention_reported)(SCSIDevice *s);
-    SCSIReqOps reqops;
 };
 
 struct SCSIBusInfo {
@@ -176,8 +175,8 @@ extern const struct SCSISense sense_code_DEVICE_INTERNAL_RESET;
 
 int scsi_sense_valid(SCSISense sense);
 
-SCSIRequest *scsi_req_alloc(SCSIReqOps *reqops, SCSIDevice *d, uint32_t tag,
-                            uint32_t lun, void *hba_private);
+SCSIRequest *scsi_req_alloc(const SCSIReqOps *reqops, SCSIDevice *d,
+                            uint32_t tag, uint32_t lun, void *hba_private);
 SCSIRequest *scsi_req_new(SCSIDevice *d, uint32_t tag, uint32_t lun,
                           uint8_t *buf, void *hba_private);
 int32_t scsi_req_enqueue(SCSIRequest *req);