Patchwork [17/30] scsi-disk: restruct emulation: REQUEST_SENSE

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Submitter Gerd Hoffmann
Date Nov. 26, 2009, 2:34 p.m.
Message ID <1259246056-5389-18-git-send-email-kraxel@redhat.com>
Download mbox | patch
Permalink /patch/39539/
State New
Headers show

Comments

Gerd Hoffmann - Nov. 26, 2009, 2:34 p.m.
Move REQUEST_SENSE emulation from scsi_send_command() to
scsi_disk_emulate_command().

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
---
 hw/scsi-disk.c |   38 +++++++++++++++++++-------------------
 1 files changed, 19 insertions(+), 19 deletions(-)

Patch

diff --git a/hw/scsi-disk.c b/hw/scsi-disk.c
index f851694..7597b52 100644
--- a/hw/scsi-disk.c
+++ b/hw/scsi-disk.c
@@ -316,6 +316,24 @@  static int scsi_disk_emulate_command(SCSIRequest *req, uint8_t *outbuf)
         if (!bdrv_is_inserted(bdrv))
             goto not_ready;
 	break;
+    case REQUEST_SENSE:
+        if (req->cmd.xfer < 4)
+            goto illegal_request;
+        memset(outbuf, 0, 4);
+        buflen = 4;
+        if (req->dev->sense.key == NOT_READY && req->cmd.xfer >= 18) {
+            memset(outbuf, 0, 18);
+            buflen = 18;
+            outbuf[7] = 10;
+            /* asc 0x3a, ascq 0: Medium not present */
+            outbuf[12] = 0x3a;
+            outbuf[13] = 0;
+        }
+        outbuf[0] = 0xf0;
+        outbuf[1] = 0;
+        outbuf[2] = req->dev->sense.key;
+        scsi_dev_clear_sense(req->dev);
+        break;
     default:
         goto illegal_request;
     }
@@ -419,6 +437,7 @@  static int32_t scsi_send_command(SCSIDevice *d, uint32_t tag,
     }
     switch (command) {
     case TEST_UNIT_READY:
+    case REQUEST_SENSE:
         rc = scsi_disk_emulate_command(&r->req, outbuf);
         if (rc > 0) {
             r->iov.iov_len = rc;
@@ -427,25 +446,6 @@  static int32_t scsi_send_command(SCSIDevice *d, uint32_t tag,
             scsi_remove_request(r);
         }
         return rc;
-    case REQUEST_SENSE:
-        DPRINTF("Request Sense (len %d)\n", len);
-        if (len < 4)
-            goto fail;
-        memset(outbuf, 0, 4);
-        r->iov.iov_len = 4;
-        if (s->qdev.sense.key == NOT_READY && len >= 18) {
-            memset(outbuf, 0, 18);
-            r->iov.iov_len = 18;
-            outbuf[7] = 10;
-            /* asc 0x3a, ascq 0: Medium not present */
-            outbuf[12] = 0x3a;
-            outbuf[13] = 0;
-        }
-        outbuf[0] = 0xf0;
-        outbuf[1] = 0;
-        outbuf[2] = s->qdev.sense.key;
-        scsi_dev_clear_sense(&s->qdev);
-        break;
     case INQUIRY:
         DPRINTF("Inquiry (len %d)\n", len);
         if (buf[1] & 0x2) {