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Diffstat (limited to 'hw/scsi/scsi-disk.c')
-rw-r--r--hw/scsi/scsi-disk.c50
1 files changed, 49 insertions, 1 deletions
diff --git a/hw/scsi/scsi-disk.c b/hw/scsi/scsi-disk.c
index 2f75d7d51c..64f0694734 100644
--- a/hw/scsi/scsi-disk.c
+++ b/hw/scsi/scsi-disk.c
@@ -49,6 +49,7 @@ do { printf("scsi-disk: " fmt , ## __VA_ARGS__); } while (0)
#define DEFAULT_DISCARD_GRANULARITY 4096
#define DEFAULT_MAX_UNMAP_SIZE (1 << 30) /* 1 GB */
+#define DEFAULT_MAX_IO_SIZE INT_MAX /* 2 GB - 1 block */
typedef struct SCSIDiskState SCSIDiskState;
@@ -79,6 +80,7 @@ struct SCSIDiskState
uint64_t port_wwn;
uint16_t port_index;
uint64_t max_unmap_size;
+ uint64_t max_io_size;
QEMUBH *bh;
char *version;
char *serial;
@@ -635,6 +637,8 @@ static int scsi_disk_emulate_inquiry(SCSIRequest *req, uint8_t *outbuf)
s->qdev.conf.opt_io_size / s->qdev.blocksize;
unsigned int max_unmap_sectors =
s->max_unmap_size / s->qdev.blocksize;
+ unsigned int max_io_sectors =
+ s->max_io_size / s->qdev.blocksize;
if (s->qdev.type == TYPE_ROM) {
DPRINTF("Inquiry (EVPD[%02X] not supported for CDROM\n",
@@ -651,6 +655,12 @@ static int scsi_disk_emulate_inquiry(SCSIRequest *req, uint8_t *outbuf)
outbuf[6] = (min_io_size >> 8) & 0xff;
outbuf[7] = min_io_size & 0xff;
+ /* maximum transfer length */
+ outbuf[8] = (max_io_sectors >> 24) & 0xff;
+ outbuf[9] = (max_io_sectors >> 16) & 0xff;
+ outbuf[10] = (max_io_sectors >> 8) & 0xff;
+ outbuf[11] = max_io_sectors & 0xff;
+
/* optimal transfer length */
outbuf[12] = (opt_io_size >> 24) & 0xff;
outbuf[13] = (opt_io_size >> 16) & 0xff;
@@ -674,6 +684,17 @@ static int scsi_disk_emulate_inquiry(SCSIRequest *req, uint8_t *outbuf)
outbuf[29] = (unmap_sectors >> 16) & 0xff;
outbuf[30] = (unmap_sectors >> 8) & 0xff;
outbuf[31] = unmap_sectors & 0xff;
+
+ /* max write same size */
+ outbuf[36] = 0;
+ outbuf[37] = 0;
+ outbuf[38] = 0;
+ outbuf[39] = 0;
+
+ outbuf[40] = (max_io_sectors >> 24) & 0xff;
+ outbuf[41] = (max_io_sectors >> 16) & 0xff;
+ outbuf[42] = (max_io_sectors >> 8) & 0xff;
+ outbuf[43] = max_io_sectors & 0xff;
break;
}
case 0xb2: /* thin provisioning */
@@ -744,6 +765,9 @@ static inline bool media_is_dvd(SCSIDiskState *s)
if (!blk_is_inserted(s->qdev.conf.blk)) {
return false;
}
+ if (s->tray_open) {
+ return false;
+ }
blk_get_geometry(s->qdev.conf.blk, &nb_sectors);
return nb_sectors > CD_MAX_SECTORS;
}
@@ -757,6 +781,9 @@ static inline bool media_is_cd(SCSIDiskState *s)
if (!blk_is_inserted(s->qdev.conf.blk)) {
return false;
}
+ if (s->tray_open) {
+ return false;
+ }
blk_get_geometry(s->qdev.conf.blk, &nb_sectors);
return nb_sectors <= CD_MAX_SECTORS;
}
@@ -954,7 +981,15 @@ static int scsi_get_configuration(SCSIDiskState *s, uint8_t *outbuf)
if (s->qdev.type != TYPE_ROM) {
return -1;
}
- current = media_is_dvd(s) ? MMC_PROFILE_DVD_ROM : MMC_PROFILE_CD_ROM;
+
+ if (media_is_dvd(s)) {
+ current = MMC_PROFILE_DVD_ROM;
+ } else if (media_is_cd(s)) {
+ current = MMC_PROFILE_CD_ROM;
+ } else {
+ current = MMC_PROFILE_NONE;
+ }
+
memset(outbuf, 0, 40);
stl_be_p(&outbuf[0], 36); /* Bytes after the data length field */
stw_be_p(&outbuf[6], current);
@@ -2230,6 +2265,7 @@ static void scsi_realize(SCSIDevice *dev, Error **errp)
}
blkconf_serial(&s->qdev.conf, &s->serial);
+ blkconf_blocksizes(&s->qdev.conf);
if (dev->type == TYPE_DISK) {
blkconf_geometry(&dev->conf, NULL, 65535, 255, 255, &err);
if (err) {
@@ -2269,6 +2305,12 @@ static void scsi_realize(SCSIDevice *dev, Error **errp)
static void scsi_hd_realize(SCSIDevice *dev, Error **errp)
{
SCSIDiskState *s = DO_UPCAST(SCSIDiskState, qdev, dev);
+ /* can happen for devices without drive. The error message for missing
+ * backend will be issued in scsi_realize
+ */
+ if (s->qdev.conf.blk) {
+ blkconf_blocksizes(&s->qdev.conf);
+ }
s->qdev.blocksize = s->qdev.conf.logical_block_size;
s->qdev.type = TYPE_DISK;
if (!s->product) {
@@ -2579,6 +2621,8 @@ static Property scsi_hd_properties[] = {
DEFINE_PROP_UINT16("port_index", SCSIDiskState, port_index, 0),
DEFINE_PROP_UINT64("max_unmap_size", SCSIDiskState, max_unmap_size,
DEFAULT_MAX_UNMAP_SIZE),
+ DEFINE_PROP_UINT64("max_io_size", SCSIDiskState, max_io_size,
+ DEFAULT_MAX_IO_SIZE),
DEFINE_BLOCK_CHS_PROPERTIES(SCSIDiskState, qdev.conf),
DEFINE_PROP_END_OF_LIST(),
};
@@ -2625,6 +2669,8 @@ static Property scsi_cd_properties[] = {
DEFINE_PROP_UINT64("wwn", SCSIDiskState, wwn, 0),
DEFINE_PROP_UINT64("port_wwn", SCSIDiskState, port_wwn, 0),
DEFINE_PROP_UINT16("port_index", SCSIDiskState, port_index, 0),
+ DEFINE_PROP_UINT64("max_io_size", SCSIDiskState, max_io_size,
+ DEFAULT_MAX_IO_SIZE),
DEFINE_PROP_END_OF_LIST(),
};
@@ -2690,6 +2736,8 @@ static Property scsi_disk_properties[] = {
DEFINE_PROP_UINT16("port_index", SCSIDiskState, port_index, 0),
DEFINE_PROP_UINT64("max_unmap_size", SCSIDiskState, max_unmap_size,
DEFAULT_MAX_UNMAP_SIZE),
+ DEFINE_PROP_UINT64("max_io_size", SCSIDiskState, max_io_size,
+ DEFAULT_MAX_IO_SIZE),
DEFINE_PROP_END_OF_LIST(),
};