scsi-disk: restruct emulation: GET_CONFIGURATION

Move GET_CONFIGURATION emulation from scsi_send_command() to
scsi_disk_emulate_command().

Also add GET_CONFIGURATION to scsi-defs.h and scsi_command_name().
Signed-off-by: NGerd Hoffmann <kraxel@redhat.com>
Signed-off-by: NAnthony Liguori <aliguori@us.ibm.com>

hw/scsi-bus.c

@@ -440,6 +440,7 @@ static const char *scsi_command_name(uint8_t cmd)
 
         [ REWIND                   ] = "REWIND",
         [ REPORT_DENSITY_SUPPORT   ] = "REPORT_DENSITY_SUPPORT",
+        [ GET_CONFIGURATION        ] = "GET_CONFIGURATION",
         [ LOAD_UNLOAD              ] = "LOAD_UNLOAD",
         [ SET_CD_SPEED             ] = "SET_CD_SPEED",
         [ BLANK                    ] = "BLANK",

hw/scsi-defs.h

@@ -99,6 +99,7 @@
 /* from hw/scsi-generic.c */
 #define REWIND 0x01
 #define REPORT_DENSITY_SUPPORT 0x44
+#define GET_CONFIGURATION 0x46
 #define LOAD_UNLOAD 0xa6
 #define SET_CD_SPEED 0xbb
 #define BLANK 0xa1

hw/scsi-disk.c

@@ -749,6 +749,13 @@ static int scsi_disk_emulate_command(SCSIRequest *req, uint8_t *outbuf)
     case SYNCHRONIZE_CACHE:
         bdrv_flush(bdrv);
         break;
+    case GET_CONFIGURATION:
+        memset(outbuf, 0, 8);
+        /* ??? This should probably return much more information.  For now
+           just return the basic header indicating the CD-ROM profile.  */
+        outbuf[7] = 8; // CD-ROM
+        buflen = 8;
+        break;
     default:
         goto illegal_request;
     }
@@ -865,6 +872,7 @@ static int32_t scsi_send_command(SCSIDevice *d, uint32_t tag,
     case READ_CAPACITY:
     case SYNCHRONIZE_CACHE:
     case READ_TOC:
+    case GET_CONFIGURATION:
         rc = scsi_disk_emulate_command(&r->req, outbuf);
         if (rc > 0) {
             r->iov.iov_len = rc;
@@ -893,14 +901,6 @@ static int32_t scsi_send_command(SCSIDevice *d, uint32_t tag,
         r->sector_count = len * s->cluster_size;
         is_write = 1;
         break;
-    case 0x46:
-        DPRINTF("Get Configuration (rt %d, maxlen %d)\n", buf[1] & 3, len);
-        memset(outbuf, 0, 8);
-        /* ??? This should probably return much more information.  For now
-           just return the basic header indicating the CD-ROM profile.  */
-        outbuf[7] = 8; // CD-ROM
-        r->iov.iov_len = 8;
-        break;
     case 0x9e:
         /* Service Action In subcommands. */
         if ((buf[1] & 31) == 0x10) {