scsi: rename arguments to the new callbacks

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Cc: Christoph Hellwig <hch@lst.de>

1 files changed, 14 insertions, 17 deletions

diff --git a/hw/spapr_vscsi.c b/hw/spapr_vscsi.c
index fea1f2f..1c901ef 100644
--- a/hw/spapr_vscsi.c
+++ b/hw/spapr_vscsi.c
@@ -480,15 +480,15 @@ static void vscsi_send_request_sense(VSCSIState *s, vscsi_req *req)
 }
 
 /* Callback to indicate that the SCSI layer has completed a transfer.  */
-static void vscsi_transfer_data(SCSIRequest *sreq, uint32_t arg)
+static void vscsi_transfer_data(SCSIRequest *sreq, uint32_t len)
 {
     VSCSIState *s = DO_UPCAST(VSCSIState, vdev.qdev, sreq->bus->qbus.parent);
     vscsi_req *req = vscsi_find_req(s, sreq);
     uint8_t *buf;
-    int len, rc = 0;
+    int rc = 0;
 
-    dprintf("VSCSI: SCSI xfer complete tag=0x%x arg=0x%x, req=%p\n",
-            sreq->tag, arg, req);
+    dprintf("VSCSI: SCSI xfer complete tag=0x%x len=0x%x, req=%p\n",
+            sreq->tag, len, req);
     if (req == NULL) {
         fprintf(stderr, "VSCSI: Can't find request for tag 0x%x\n", sreq->tag);
         return;
@@ -497,7 +497,7 @@ static void vscsi_transfer_data(SCSIRequest *sreq, uint32_t arg)
     if (req->sensing) {
         uint8_t *buf = scsi_req_get_buf(sreq);
 
-        len = MIN(arg, SCSI_SENSE_BUF_SIZE);
+        len = MIN(len, SCSI_SENSE_BUF_SIZE);
         dprintf("VSCSI: Sense data, %d bytes:\n", len);
         dprintf("       %02x  %02x  %02x  %02x  %02x  %02x  %02x  %02x\n",
                 buf[0], buf[1], buf[2], buf[3],
@@ -511,12 +511,9 @@ static void vscsi_transfer_data(SCSIRequest *sreq, uint32_t arg)
         return;
     }
 
-    /* "arg" is how much we have read for reads and how much we want
-     * to write for writes (ie, how much is to be DMA'd)
-     */
-    if (arg) {
+    if (len) {
         buf = scsi_req_get_buf(sreq);
-        rc = vscsi_srp_transfer_data(s, req, req->writing, buf, arg);
+        rc = vscsi_srp_transfer_data(s, req, req->writing, buf, len);
     }
     if (rc < 0) {
         fprintf(stderr, "VSCSI: RDMA error rc=%d!\n", rc);
@@ -531,30 +528,30 @@ static void vscsi_transfer_data(SCSIRequest *sreq, uint32_t arg)
 }
 
 /* Callback to indicate that the SCSI layer has completed a transfer.  */
-static void vscsi_command_complete(SCSIRequest *sreq, uint32_t arg)
+static void vscsi_command_complete(SCSIRequest *sreq, uint32_t status)
 {
     VSCSIState *s = DO_UPCAST(VSCSIState, vdev.qdev, sreq->bus->qbus.parent);
     vscsi_req *req = vscsi_find_req(s, sreq);
     int32_t res_in = 0, res_out = 0;
 
-    dprintf("VSCSI: SCSI cmd complete, r=0x%x tag=0x%x arg=0x%x, req=%p\n",
-            reason, sreq->tag, arg, req);
+    dprintf("VSCSI: SCSI cmd complete, r=0x%x tag=0x%x status=0x%x, req=%p\n",
+            reason, sreq->tag, status, req);
     if (req == NULL) {
         fprintf(stderr, "VSCSI: Can't find request for tag 0x%x\n", sreq->tag);
         return;
     }
 
-    if (!req->sensing && arg == CHECK_CONDITION) {
+    if (!req->sensing && status == CHECK_CONDITION) {
         vscsi_send_request_sense(s, req);
         return;
     }
 
     if (req->sensing) {
         dprintf("VSCSI: Sense done !\n");
-        arg = CHECK_CONDITION;
+        status = CHECK_CONDITION;
     } else {
-        dprintf("VSCSI: Command complete err=%d\n", arg);
-        if (arg == 0) {
+        dprintf("VSCSI: Command complete err=%d\n", status);
+        if (status == 0) {
             /* We handle overflows, not underflows for normal commands,
              * but hopefully nobody cares
              */