#define SCSI_DMA_BUF_SIZE 131072
#define SCSI_MAX_INQUIRY_LEN 256
+#define SCSI_MAX_MODE_LEN 256
typedef struct SCSIDiskState SCSIDiskState;
SCSIDiskState *s = DO_UPCAST(SCSIDiskState, qdev, r->req.dev);
bool first;
- if (r->sector_count == (uint32_t)-1) {
- DPRINTF("Read buf_len=%zd\n", r->iov.iov_len);
- r->sector_count = 0;
- r->started = true;
- scsi_req_data(&r->req, r->iov.iov_len);
- return;
- }
DPRINTF("Read sector_count=%d\n", r->sector_count);
if (r->sector_count == 0) {
/* This also clears the sense buffer for REQUEST SENSE. */
return;
} else {
scsi_init_iovec(r, SCSI_DMA_BUF_SIZE);
- DPRINTF("Write complete tag=0x%x more=%d\n", r->req.tag, r->qiov.size);
+ DPRINTF("Write complete tag=0x%x more=%zd\n", r->req.tag, r->qiov.size);
scsi_req_data(&r->req, r->qiov.size);
}
[MODE_PAGE_AUDIO_CTL] = (1 << TYPE_ROM),
[MODE_PAGE_CAPABILITIES] = (1 << TYPE_ROM),
};
- uint8_t *p = *p_outbuf;
+
+ uint8_t *p = *p_outbuf + 2;
+ int length;
if ((mode_sense_valid[page] & (1 << s->qdev.type)) == 0) {
return -1;
}
- p[0] = page;
-
/*
* If Changeable Values are requested, a mask denoting those mode parameters
* that are changeable shall be returned. As we currently don't support
* parameter changes via MODE_SELECT all bits are returned set to zero.
* The buffer was already menset to zero by the caller of this function.
+ *
+ * The offsets here are off by two compared to the descriptions in the
+ * SCSI specs, because those include a 2-byte header. This is unfortunate,
+ * but it is done so that offsets are consistent within our implementation
+ * of MODE SENSE and MODE SELECT. MODE SELECT has to deal with both
+ * 2-byte and 4-byte headers.
*/
switch (page) {
case MODE_PAGE_HD_GEOMETRY:
- p[1] = 0x16;
+ length = 0x16;
if (page_control == 1) { /* Changeable Values */
break;
}
/* if a geometry hint is available, use it */
- p[2] = (s->qdev.conf.cyls >> 16) & 0xff;
- p[3] = (s->qdev.conf.cyls >> 8) & 0xff;
- p[4] = s->qdev.conf.cyls & 0xff;
- p[5] = s->qdev.conf.heads & 0xff;
+ p[0] = (s->qdev.conf.cyls >> 16) & 0xff;
+ p[1] = (s->qdev.conf.cyls >> 8) & 0xff;
+ p[2] = s->qdev.conf.cyls & 0xff;
+ p[3] = s->qdev.conf.heads & 0xff;
/* Write precomp start cylinder, disabled */
- p[6] = (s->qdev.conf.cyls >> 16) & 0xff;
- p[7] = (s->qdev.conf.cyls >> 8) & 0xff;
- p[8] = s->qdev.conf.cyls & 0xff;
+ p[4] = (s->qdev.conf.cyls >> 16) & 0xff;
+ p[5] = (s->qdev.conf.cyls >> 8) & 0xff;
+ p[6] = s->qdev.conf.cyls & 0xff;
/* Reduced current start cylinder, disabled */
- p[9] = (s->qdev.conf.cyls >> 16) & 0xff;
- p[10] = (s->qdev.conf.cyls >> 8) & 0xff;
- p[11] = s->qdev.conf.cyls & 0xff;
+ p[7] = (s->qdev.conf.cyls >> 16) & 0xff;
+ p[8] = (s->qdev.conf.cyls >> 8) & 0xff;
+ p[9] = s->qdev.conf.cyls & 0xff;
/* Device step rate [ns], 200ns */
- p[12] = 0;
- p[13] = 200;
+ p[10] = 0;
+ p[11] = 200;
/* Landing zone cylinder */
+ p[12] = 0xff;
+ p[13] = 0xff;
p[14] = 0xff;
- p[15] = 0xff;
- p[16] = 0xff;
/* Medium rotation rate [rpm], 5400 rpm */
- p[20] = (5400 >> 8) & 0xff;
- p[21] = 5400 & 0xff;
+ p[18] = (5400 >> 8) & 0xff;
+ p[19] = 5400 & 0xff;
break;
case MODE_PAGE_FLEXIBLE_DISK_GEOMETRY:
- p[1] = 0x1e;
+ length = 0x1e;
if (page_control == 1) { /* Changeable Values */
break;
}
/* Transfer rate [kbit/s], 5Mbit/s */
- p[2] = 5000 >> 8;
- p[3] = 5000 & 0xff;
+ p[0] = 5000 >> 8;
+ p[1] = 5000 & 0xff;
/* if a geometry hint is available, use it */
- p[4] = s->qdev.conf.heads & 0xff;
- p[5] = s->qdev.conf.secs & 0xff;
- p[6] = s->qdev.blocksize >> 8;
+ p[2] = s->qdev.conf.heads & 0xff;
+ p[3] = s->qdev.conf.secs & 0xff;
+ p[4] = s->qdev.blocksize >> 8;
+ p[6] = (s->qdev.conf.cyls >> 8) & 0xff;
+ p[7] = s->qdev.conf.cyls & 0xff;
+ /* Write precomp start cylinder, disabled */
p[8] = (s->qdev.conf.cyls >> 8) & 0xff;
p[9] = s->qdev.conf.cyls & 0xff;
- /* Write precomp start cylinder, disabled */
+ /* Reduced current start cylinder, disabled */
p[10] = (s->qdev.conf.cyls >> 8) & 0xff;
p[11] = s->qdev.conf.cyls & 0xff;
- /* Reduced current start cylinder, disabled */
- p[12] = (s->qdev.conf.cyls >> 8) & 0xff;
- p[13] = s->qdev.conf.cyls & 0xff;
/* Device step rate [100us], 100us */
- p[14] = 0;
- p[15] = 1;
+ p[12] = 0;
+ p[13] = 1;
/* Device step pulse width [us], 1us */
- p[16] = 1;
+ p[14] = 1;
/* Device head settle delay [100us], 100us */
- p[17] = 0;
- p[18] = 1;
+ p[15] = 0;
+ p[16] = 1;
/* Motor on delay [0.1s], 0.1s */
- p[19] = 1;
+ p[17] = 1;
/* Motor off delay [0.1s], 0.1s */
- p[20] = 1;
+ p[18] = 1;
/* Medium rotation rate [rpm], 5400 rpm */
- p[28] = (5400 >> 8) & 0xff;
- p[29] = 5400 & 0xff;
+ p[26] = (5400 >> 8) & 0xff;
+ p[27] = 5400 & 0xff;
break;
case MODE_PAGE_CACHING:
- p[0] = 8;
- p[1] = 0x12;
- if (page_control == 1) { /* Changeable Values */
- break;
- }
- if (bdrv_enable_write_cache(s->qdev.conf.bs)) {
- p[2] = 4; /* WCE */
+ length = 0x12;
+ if (page_control == 1 || /* Changeable Values */
+ bdrv_enable_write_cache(s->qdev.conf.bs)) {
+ p[0] = 4; /* WCE */
}
break;
case MODE_PAGE_R_W_ERROR:
- p[1] = 10;
- p[2] = 0x80; /* Automatic Write Reallocation Enabled */
+ length = 10;
+ if (page_control == 1) { /* Changeable Values */
+ break;
+ }
+ p[0] = 0x80; /* Automatic Write Reallocation Enabled */
if (s->qdev.type == TYPE_ROM) {
- p[3] = 0x20; /* Read Retry Count */
+ p[1] = 0x20; /* Read Retry Count */
}
break;
case MODE_PAGE_AUDIO_CTL:
- p[1] = 14;
+ length = 14;
break;
case MODE_PAGE_CAPABILITIES:
- p[1] = 0x14;
+ length = 0x14;
if (page_control == 1) { /* Changeable Values */
break;
}
- p[2] = 0x3b; /* CD-R & CD-RW read */
- p[3] = 0; /* Writing not supported */
- p[4] = 0x7f; /* Audio, composite, digital out,
+ p[0] = 0x3b; /* CD-R & CD-RW read */
+ p[1] = 0; /* Writing not supported */
+ p[2] = 0x7f; /* Audio, composite, digital out,
mode 2 form 1&2, multi session */
- p[5] = 0xff; /* CD DA, DA accurate, RW supported,
+ p[3] = 0xff; /* CD DA, DA accurate, RW supported,
RW corrected, C2 errors, ISRC,
UPC, Bar code */
- p[6] = 0x2d | (s->tray_locked ? 2 : 0);
+ p[4] = 0x2d | (s->tray_locked ? 2 : 0);
/* Locking supported, jumper present, eject, tray */
- p[7] = 0; /* no volume & mute control, no
+ p[5] = 0; /* no volume & mute control, no
changer */
- p[8] = (50 * 176) >> 8; /* 50x read speed */
- p[9] = (50 * 176) & 0xff;
- p[10] = 2 >> 8; /* Two volume levels */
- p[11] = 2 & 0xff;
- p[12] = 2048 >> 8; /* 2M buffer */
- p[13] = 2048 & 0xff;
- p[14] = (16 * 176) >> 8; /* 16x read speed current */
- p[15] = (16 * 176) & 0xff;
- p[18] = (16 * 176) >> 8; /* 16x write speed */
+ p[6] = (50 * 176) >> 8; /* 50x read speed */
+ p[7] = (50 * 176) & 0xff;
+ p[8] = 2 >> 8; /* Two volume levels */
+ p[9] = 2 & 0xff;
+ p[10] = 2048 >> 8; /* 2M buffer */
+ p[11] = 2048 & 0xff;
+ p[12] = (16 * 176) >> 8; /* 16x read speed current */
+ p[13] = (16 * 176) & 0xff;
+ p[16] = (16 * 176) >> 8; /* 16x write speed */
+ p[17] = (16 * 176) & 0xff;
+ p[18] = (16 * 176) >> 8; /* 16x write speed current */
p[19] = (16 * 176) & 0xff;
- p[20] = (16 * 176) >> 8; /* 16x write speed current */
- p[21] = (16 * 176) & 0xff;
break;
default:
return -1;
}
- *p_outbuf += p[1] + 2;
- return p[1] + 2;
+ assert(length < 256);
+ (*p_outbuf)[0] = page;
+ (*p_outbuf)[1] = length;
+ *p_outbuf += length + 2;
+ return length + 2;
}
static int scsi_disk_emulate_mode_sense(SCSIDiskReq *r, uint8_t *outbuf)
SCSIDiskState *s = DO_UPCAST(SCSIDiskState, qdev, req->dev);
bool start = req->cmd.buf[4] & 1;
bool loej = req->cmd.buf[4] & 2; /* load on start, eject on !start */
+ int pwrcnd = req->cmd.buf[4] & 0xf0;
+
+ if (pwrcnd) {
+ /* eject/load only happens for power condition == 0 */
+ return 0;
+ }
- if (s->qdev.type == TYPE_ROM && loej) {
+ if ((s->features & (1 << SCSI_DISK_F_REMOVABLE)) && loej) {
if (!start && !s->tray_open && s->tray_locked) {
scsi_check_condition(r,
bdrv_is_inserted(s->qdev.conf.bs)
return 0;
}
+static void scsi_disk_emulate_read_data(SCSIRequest *req)
+{
+ SCSIDiskReq *r = DO_UPCAST(SCSIDiskReq, req, req);
+ int buflen = r->iov.iov_len;
+
+ if (buflen) {
+ DPRINTF("Read buf_len=%d\n", buflen);
+ r->iov.iov_len = 0;
+ r->started = true;
+ scsi_req_data(&r->req, buflen);
+ return;
+ }
+
+ /* This also clears the sense buffer for REQUEST SENSE. */
+ scsi_req_complete(&r->req, GOOD);
+}
+
+static int scsi_disk_check_mode_select(SCSIDiskState *s, int page,
+ uint8_t *inbuf, int inlen)
+{
+ uint8_t mode_current[SCSI_MAX_MODE_LEN];
+ uint8_t mode_changeable[SCSI_MAX_MODE_LEN];
+ uint8_t *p;
+ int len, expected_len, changeable_len, i;
+
+ /* The input buffer does not include the page header, so it is
+ * off by 2 bytes.
+ */
+ expected_len = inlen + 2;
+ if (expected_len > SCSI_MAX_MODE_LEN) {
+ return -1;
+ }
+
+ p = mode_current;
+ memset(mode_current, 0, inlen + 2);
+ len = mode_sense_page(s, page, &p, 0);
+ if (len < 0 || len != expected_len) {
+ return -1;
+ }
+
+ p = mode_changeable;
+ memset(mode_changeable, 0, inlen + 2);
+ changeable_len = mode_sense_page(s, page, &p, 1);
+ assert(changeable_len == len);
+
+ /* Check that unchangeable bits are the same as what MODE SENSE
+ * would return.
+ */
+ for (i = 2; i < len; i++) {
+ if (((mode_current[i] ^ inbuf[i - 2]) & ~mode_changeable[i]) != 0) {
+ return -1;
+ }
+ }
+ return 0;
+}
+
+static void scsi_disk_apply_mode_select(SCSIDiskState *s, int page, uint8_t *p)
+{
+ switch (page) {
+ case MODE_PAGE_CACHING:
+ bdrv_set_enable_write_cache(s->qdev.conf.bs, (p[0] & 4) != 0);
+ break;
+
+ default:
+ break;
+ }
+}
+
+static int mode_select_pages(SCSIDiskReq *r, uint8_t *p, int len, bool change)
+{
+ SCSIDiskState *s = DO_UPCAST(SCSIDiskState, qdev, r->req.dev);
+
+ while (len > 0) {
+ int page, subpage, page_len;
+
+ /* Parse both possible formats for the mode page headers. */
+ page = p[0] & 0x3f;
+ if (p[0] & 0x40) {
+ if (len < 4) {
+ goto invalid_param_len;
+ }
+ subpage = p[1];
+ page_len = lduw_be_p(&p[2]);
+ p += 4;
+ len -= 4;
+ } else {
+ if (len < 2) {
+ goto invalid_param_len;
+ }
+ subpage = 0;
+ page_len = p[1];
+ p += 2;
+ len -= 2;
+ }
+
+ if (subpage) {
+ goto invalid_param;
+ }
+ if (page_len > len) {
+ goto invalid_param_len;
+ }
+
+ if (!change) {
+ if (scsi_disk_check_mode_select(s, page, p, page_len) < 0) {
+ goto invalid_param;
+ }
+ } else {
+ scsi_disk_apply_mode_select(s, page, p);
+ }
+
+ p += page_len;
+ len -= page_len;
+ }
+ return 0;
+
+invalid_param:
+ scsi_check_condition(r, SENSE_CODE(INVALID_PARAM));
+ return -1;
+
+invalid_param_len:
+ scsi_check_condition(r, SENSE_CODE(INVALID_PARAM_LEN));
+ return -1;
+}
+
+static void scsi_disk_emulate_mode_select(SCSIDiskReq *r, uint8_t *inbuf)
+{
+ uint8_t *p = inbuf;
+ int cmd = r->req.cmd.buf[0];
+ int len = r->req.cmd.xfer;
+ int hdr_len = (cmd == MODE_SELECT ? 4 : 8);
+ int bd_len;
+ int pass;
+
+ /* We only support PF=1, SP=0. */
+ if ((r->req.cmd.buf[1] & 0x11) != 0x10) {
+ goto invalid_field;
+ }
+
+ if (len < hdr_len) {
+ goto invalid_param_len;
+ }
+
+ bd_len = (cmd == MODE_SELECT ? p[3] : lduw_be_p(&p[6]));
+ len -= hdr_len;
+ p += hdr_len;
+ if (len < bd_len) {
+ goto invalid_param_len;
+ }
+ if (bd_len != 0 && bd_len != 8) {
+ goto invalid_param;
+ }
+
+ len -= bd_len;
+ p += bd_len;
+
+ /* Ensure no change is made if there is an error! */
+ for (pass = 0; pass < 2; pass++) {
+ if (mode_select_pages(r, p, len, pass == 1) < 0) {
+ assert(pass == 0);
+ return;
+ }
+ }
+ scsi_req_complete(&r->req, GOOD);
+ return;
+
+invalid_param:
+ scsi_check_condition(r, SENSE_CODE(INVALID_PARAM));
+ return;
+
+invalid_param_len:
+ scsi_check_condition(r, SENSE_CODE(INVALID_PARAM_LEN));
+ return;
+
+invalid_field:
+ scsi_check_condition(r, SENSE_CODE(INVALID_FIELD));
+ return;
+}
+
+static void scsi_disk_emulate_write_data(SCSIRequest *req)
+{
+ SCSIDiskReq *r = DO_UPCAST(SCSIDiskReq, req, req);
+
+ if (r->iov.iov_len) {
+ int buflen = r->iov.iov_len;
+ DPRINTF("Write buf_len=%d\n", buflen);
+ r->iov.iov_len = 0;
+ scsi_req_data(&r->req, buflen);
+ return;
+ }
+
+ switch (req->cmd.buf[0]) {
+ case MODE_SELECT:
+ case MODE_SELECT_10:
+ /* This also clears the sense buffer for REQUEST SENSE. */
+ scsi_disk_emulate_mode_select(r, r->iov.iov_base);
+ break;
+
+ default:
+ abort();
+ }
+}
+
static int32_t scsi_disk_emulate_command(SCSIRequest *req, uint8_t *buf)
{
SCSIDiskReq *r = DO_UPCAST(SCSIDiskReq, req, req);
SCSIDiskState *s = DO_UPCAST(SCSIDiskState, qdev, req->dev);
uint64_t nb_sectors;
uint8_t *outbuf;
- int buflen = 0;
+ int buflen;
switch (req->cmd.buf[0]) {
case INQUIRY:
break;
}
- assert(req->cmd.mode != SCSI_XFER_TO_DEV);
if (!r->iov.iov_base) {
/*
* FIXME: we shouldn't return anything bigger than 4k, but the code
r->iov.iov_base = qemu_blockalign(s->qdev.conf.bs, r->buflen);
}
+ buflen = req->cmd.xfer;
outbuf = r->iov.iov_base;
switch (req->cmd.buf[0]) {
case TEST_UNIT_READY:
goto illegal_lba;
}
break;
-#if 0
case MODE_SELECT:
DPRINTF("Mode Select(6) (len %lu)\n", (long)r->req.cmd.xfer);
- /* We don't support mode parameter changes.
- Allow the mode parameter header + block descriptors only. */
- if (r->req.cmd.xfer > 12) {
- goto illegal_request;
- }
break;
case MODE_SELECT_10:
DPRINTF("Mode Select(10) (len %lu)\n", (long)r->req.cmd.xfer);
- /* We don't support mode parameter changes.
- Allow the mode parameter header + block descriptors only. */
- if (r->req.cmd.xfer > 16) {
- goto illegal_request;
- }
break;
-#endif
case WRITE_SAME_10:
nb_sectors = lduw_be_p(&req->cmd.buf[7]);
goto write_same;
case WRITE_SAME_16:
nb_sectors = ldl_be_p(&req->cmd.buf[10]) & 0xffffffffULL;
write_same:
+ if (bdrv_is_read_only(s->qdev.conf.bs)) {
+ scsi_check_condition(r, SENSE_CODE(WRITE_PROTECTED));
+ return 0;
+ }
if (r->req.cmd.lba > s->qdev.max_lba) {
goto illegal_lba;
}
scsi_check_condition(r, SENSE_CODE(INVALID_OPCODE));
return 0;
}
- assert(!r->req.aiocb && r->sector_count == 0);
+ assert(!r->req.aiocb);
r->iov.iov_len = MIN(buflen, req->cmd.xfer);
- r->sector_count = -1;
if (r->iov.iov_len == 0) {
scsi_req_complete(&r->req, GOOD);
}
- return r->iov.iov_len;
+ if (r->req.cmd.mode == SCSI_XFER_TO_DEV) {
+ assert(r->iov.iov_len == req->cmd.xfer);
+ return -r->iov.iov_len;
+ } else {
+ return r->iov.iov_len;
+ }
illegal_request:
if (r->req.status == -1) {
case READ_16:
len = r->req.cmd.xfer / s->qdev.blocksize;
DPRINTF("Read (sector %" PRId64 ", count %d)\n", r->req.cmd.lba, len);
- if (r->req.cmd.lba > s->qdev.max_lba) {
+ if (r->req.cmd.buf[1] & 0xe0) {
+ goto illegal_request;
+ }
+ if (r->req.cmd.lba > r->req.cmd.lba + len ||
+ r->req.cmd.lba + len - 1 > s->qdev.max_lba) {
goto illegal_lba;
}
r->sector = r->req.cmd.lba * (s->qdev.blocksize / 512);
r->sector_count = len * (s->qdev.blocksize / 512);
break;
- case VERIFY_10:
- case VERIFY_12:
- case VERIFY_16:
case WRITE_6:
case WRITE_10:
case WRITE_12:
case WRITE_VERIFY_10:
case WRITE_VERIFY_12:
case WRITE_VERIFY_16:
+ if (bdrv_is_read_only(s->qdev.conf.bs)) {
+ scsi_check_condition(r, SENSE_CODE(WRITE_PROTECTED));
+ return 0;
+ }
+ /* fallthrough */
+ case VERIFY_10:
+ case VERIFY_12:
+ case VERIFY_16:
len = r->req.cmd.xfer / s->qdev.blocksize;
DPRINTF("Write %s(sector %" PRId64 ", count %d)\n",
(command & 0xe) == 0xe ? "And Verify " : "",
r->req.cmd.lba, len);
- if (r->req.cmd.lba > s->qdev.max_lba) {
+ if (r->req.cmd.buf[1] & 0xe0) {
+ goto illegal_request;
+ }
+ if (r->req.cmd.lba > r->req.cmd.lba + len ||
+ r->req.cmd.lba + len - 1 > s->qdev.max_lba) {
goto illegal_lba;
}
r->sector = r->req.cmd.lba * (s->qdev.blocksize / 512);
break;
default:
abort();
+ illegal_request:
+ scsi_check_condition(r, SENSE_CODE(INVALID_FIELD));
+ return 0;
illegal_lba:
scsi_check_condition(r, SENSE_CODE(LBA_OUT_OF_RANGE));
return 0;
blockdev_mark_auto_del(s->qdev.conf.bs);
}
+static void scsi_disk_resize_cb(void *opaque)
+{
+ SCSIDiskState *s = opaque;
+
+ /* SPC lists this sense code as available only for
+ * direct-access devices.
+ */
+ if (s->qdev.type == TYPE_DISK) {
+ scsi_device_set_ua(&s->qdev, SENSE_CODE(CAPACITY_CHANGED));
+ scsi_device_report_change(&s->qdev, SENSE_CODE(CAPACITY_CHANGED));
+ }
+}
+
static void scsi_cd_change_media_cb(void *opaque, bool load)
{
SCSIDiskState *s = opaque;
*/
s->media_changed = load;
s->tray_open = !load;
- s->qdev.unit_attention = SENSE_CODE(UNIT_ATTENTION_NO_MEDIUM);
+ scsi_device_set_ua(&s->qdev, SENSE_CODE(UNIT_ATTENTION_NO_MEDIUM));
s->media_event = true;
s->eject_request = false;
}
return ((SCSIDiskState *)opaque)->tray_locked;
}
-static const BlockDevOps scsi_cd_block_ops = {
+static const BlockDevOps scsi_disk_removable_block_ops = {
.change_media_cb = scsi_cd_change_media_cb,
.eject_request_cb = scsi_cd_eject_request_cb,
.is_tray_open = scsi_cd_is_tray_open,
.is_medium_locked = scsi_cd_is_medium_locked,
+
+ .resize_cb = scsi_disk_resize_cb,
+};
+
+static const BlockDevOps scsi_disk_block_ops = {
+ .resize_cb = scsi_disk_resize_cb,
};
static void scsi_disk_unit_attention_reported(SCSIDevice *dev)
SCSIDiskState *s = DO_UPCAST(SCSIDiskState, qdev, dev);
if (s->media_changed) {
s->media_changed = false;
- s->qdev.unit_attention = SENSE_CODE(MEDIUM_CHANGED);
+ scsi_device_set_ua(&s->qdev, SENSE_CODE(MEDIUM_CHANGED));
}
}
}
if (s->features & (1 << SCSI_DISK_F_REMOVABLE)) {
- bdrv_set_dev_ops(s->qdev.conf.bs, &scsi_cd_block_ops, s);
+ bdrv_set_dev_ops(s->qdev.conf.bs, &scsi_disk_removable_block_ops, s);
+ } else {
+ bdrv_set_dev_ops(s->qdev.conf.bs, &scsi_disk_block_ops, s);
}
bdrv_set_buffer_alignment(s->qdev.conf.bs, s->qdev.blocksize);
.size = sizeof(SCSIDiskReq),
.free_req = scsi_free_request,
.send_command = scsi_disk_emulate_command,
- .read_data = scsi_read_data,
- .write_data = scsi_write_data,
+ .read_data = scsi_disk_emulate_read_data,
+ .write_data = scsi_disk_emulate_write_data,
.get_buf = scsi_get_buf,
};
[REQUEST_SENSE] = &scsi_disk_emulate_reqops,
[SYNCHRONIZE_CACHE] = &scsi_disk_emulate_reqops,
[SEEK_10] = &scsi_disk_emulate_reqops,
-#if 0
[MODE_SELECT] = &scsi_disk_emulate_reqops,
[MODE_SELECT_10] = &scsi_disk_emulate_reqops,
-#endif
[WRITE_SAME_10] = &scsi_disk_emulate_reqops,
[WRITE_SAME_16] = &scsi_disk_emulate_reqops,
const SCSIReqOps *ops;
uint8_t command;
+ command = buf[0];
+ ops = scsi_disk_reqops_dispatch[command];
+ if (!ops) {
+ ops = &scsi_disk_emulate_reqops;
+ }
+ req = scsi_req_alloc(ops, &s->qdev, tag, lun, hba_private);
+
#ifdef DEBUG_SCSI
- DPRINTF("Command: lun=%d tag=0x%x data=0x%02x", lun, buf[0]);
+ DPRINTF("Command: lun=%d tag=0x%x data=0x%02x", lun, tag, buf[0]);
{
int i;
- for (i = 1; i < r->req.cmd.len; i++) {
+ for (i = 1; i < req->cmd.len; i++) {
printf(" 0x%02x", buf[i]);
}
printf("\n");
}
#endif
- command = buf[0];
- ops = scsi_disk_reqops_dispatch[command];
- if (!ops) {
- ops = &scsi_disk_emulate_reqops;
- }
- req = scsi_req_alloc(ops, &s->qdev, tag, lun, hba_private);
return req;
}
projects / qemu.git / blobdiff