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scsi-disk: restruct emulation: SERVICE_ACTION_IN 

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

Also add SERVICE_ACTION_IN to scsi-defs.h and scsi_command_name().

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
This commit is contained in:
Gerd Hoffmann 2009-11-26 15:34:13 +01:00 committed by Anthony Liguori
parent 382155536c
commit 5dd90e2ad7
3 changed files with 34 additions and 35 deletions
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1
hw/scsi-bus.c
View File

@ -441,6 +441,7 @@ static const char *scsi_command_name(uint8_t cmd)
[ REWIND ] = "REWIND",
[ REPORT_DENSITY_SUPPORT ] = "REPORT_DENSITY_SUPPORT",
[ GET_CONFIGURATION ] = "GET_CONFIGURATION",
[ SERVICE_ACTION_IN ] = "SERVICE_ACTION_IN",
[ LOAD_UNLOAD ] = "LOAD_UNLOAD",
[ SET_CD_SPEED ] = "SET_CD_SPEED",
[ BLANK ] = "BLANK",

1
hw/scsi-defs.h
View File

@ -100,6 +100,7 @@
#define REWIND 0x01
#define REPORT_DENSITY_SUPPORT 0x44
#define GET_CONFIGURATION 0x46
#define SERVICE_ACTION_IN 0x9e
#define LOAD_UNLOAD 0xa6
#define SET_CD_SPEED 0xbb
#define BLANK 0xa1

67
hw/scsi-disk.c
View File

@ -756,6 +756,37 @@ static int scsi_disk_emulate_command(SCSIRequest *req, uint8_t *outbuf)
outbuf[7] = 8; // CD-ROM
buflen = 8;
break;
case SERVICE_ACTION_IN:
/* Service Action In subcommands. */
if ((req->cmd.buf[1] & 31) == 0x10) {
DPRINTF("SAI READ CAPACITY(16)\n");
memset(outbuf, 0, req->cmd.xfer);
bdrv_get_geometry(bdrv, &nb_sectors);
if (!nb_sectors)
goto not_ready;
nb_sectors /= s->cluster_size;
/* Returned value is the address of the last sector. */
nb_sectors--;
/* Remember the new size for read/write sanity checking. */
s->max_lba = nb_sectors;
outbuf[0] = (nb_sectors >> 56) & 0xff;
outbuf[1] = (nb_sectors >> 48) & 0xff;
outbuf[2] = (nb_sectors >> 40) & 0xff;
outbuf[3] = (nb_sectors >> 32) & 0xff;
outbuf[4] = (nb_sectors >> 24) & 0xff;
outbuf[5] = (nb_sectors >> 16) & 0xff;
outbuf[6] = (nb_sectors >> 8) & 0xff;
outbuf[7] = nb_sectors & 0xff;
outbuf[8] = 0;
outbuf[9] = 0;
outbuf[10] = s->cluster_size * 2;
outbuf[11] = 0;
/* Protection, exponent and lowest lba field left blank. */
buflen = req->cmd.xfer;
break;
}
DPRINTF("Unsupported Service Action In\n");
goto illegal_request;
default:
goto illegal_request;
}
@ -780,7 +811,6 @@ static int32_t scsi_send_command(SCSIDevice *d, uint32_t tag,
uint8_t *buf, int lun)
{
SCSIDiskState *s = DO_UPCAST(SCSIDiskState, qdev, d);
uint64_t nb_sectors;
uint64_t lba;
uint32_t len;
int cmdlen;
@ -873,6 +903,7 @@ static int32_t scsi_send_command(SCSIDevice *d, uint32_t tag,
case SYNCHRONIZE_CACHE:
case READ_TOC:
case GET_CONFIGURATION:
case SERVICE_ACTION_IN:
rc = scsi_disk_emulate_command(&r->req, outbuf);
if (rc > 0) {
r->iov.iov_len = rc;
@ -901,40 +932,6 @@ static int32_t scsi_send_command(SCSIDevice *d, uint32_t tag,
r->sector_count = len * s->cluster_size;
is_write = 1;
break;
case 0x9e:
/* Service Action In subcommands. */
if ((buf[1] & 31) == 0x10) {
DPRINTF("SAI READ CAPACITY(16)\n");
memset(outbuf, 0, len);
bdrv_get_geometry(s->qdev.dinfo->bdrv, &nb_sectors);
nb_sectors /= s->cluster_size;
/* Returned value is the address of the last sector. */
if (nb_sectors) {
nb_sectors--;
/* Remember the new size for read/write sanity checking. */
s->max_lba = nb_sectors;
outbuf[0] = (nb_sectors >> 56) & 0xff;
outbuf[1] = (nb_sectors >> 48) & 0xff;
outbuf[2] = (nb_sectors >> 40) & 0xff;
outbuf[3] = (nb_sectors >> 32) & 0xff;
outbuf[4] = (nb_sectors >> 24) & 0xff;
outbuf[5] = (nb_sectors >> 16) & 0xff;
outbuf[6] = (nb_sectors >> 8) & 0xff;
outbuf[7] = nb_sectors & 0xff;
outbuf[8] = 0;
outbuf[9] = 0;
outbuf[10] = s->cluster_size * 2;
outbuf[11] = 0;
/* Protection, exponent and lowest lba field left blank. */
r->iov.iov_len = len;
} else {
scsi_command_complete(r, CHECK_CONDITION, NOT_READY);
return 0;
}
break;
}
DPRINTF("Unsupported Service Action In\n");
goto fail;
case 0xa0:
DPRINTF("Report LUNs (len %d)\n", len);
if (len < 16)