aboutsummaryrefslogtreecommitdiff
path: root/hw/scsi-disk.c
diff options
context:
space:
mode:
authorPaolo Bonzini <pbonzini@redhat.com>2012-05-01 10:23:54 +0200
committerPaolo Bonzini <pbonzini@redhat.com>2012-05-07 08:43:58 +0200
commitbfe3d7ac6d838b1931678d96d01c45d84c7e3de8 (patch)
tree71431b76c21092674e369ad78bcb750a072a5213 /hw/scsi-disk.c
parent381b634c275ca1a2806e97392527bbfc01bcb333 (diff)
scsi: change "removable" field to host many features
It is pointless to add a uint32_t field for every new feature. Since we will need a new feature soon, convert accesses to "removable" to look at bit 0 only. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'hw/scsi-disk.c')
-rw-r--r--hw/scsi-disk.c23
1 files changed, 15 insertions, 8 deletions
diff --git a/hw/scsi-disk.c b/hw/scsi-disk.c
index fbb10415cb..b1f5ef046e 100644
--- a/hw/scsi-disk.c
+++ b/hw/scsi-disk.c
@@ -61,10 +61,12 @@ typedef struct SCSIDiskReq {
BlockAcctCookie acct;
} SCSIDiskReq;
+#define SCSI_DISK_F_REMOVABLE 0
+
struct SCSIDiskState
{
SCSIDevice qdev;
- uint32_t removable;
+ uint32_t features;
bool media_changed;
bool media_event;
bool eject_request;
@@ -669,7 +671,7 @@ static int scsi_disk_emulate_inquiry(SCSIRequest *req, uint8_t *outbuf)
memset(outbuf, 0, buflen);
outbuf[0] = s->qdev.type & 0x1f;
- outbuf[1] = s->removable ? 0x80 : 0;
+ outbuf[1] = (s->features & (1 << SCSI_DISK_F_REMOVABLE)) ? 0x80 : 0;
if (s->qdev.type == TYPE_ROM) {
memcpy(&outbuf[16], "QEMU CD-ROM ", 16);
} else {
@@ -1710,7 +1712,8 @@ static int scsi_initfn(SCSIDevice *dev)
return -1;
}
- if (!s->removable && !bdrv_is_inserted(s->qdev.conf.bs)) {
+ if (!(s->features & (1 << SCSI_DISK_F_REMOVABLE)) &&
+ !bdrv_is_inserted(s->qdev.conf.bs)) {
error_report("Device needs media, but drive is empty");
return -1;
}
@@ -1732,7 +1735,7 @@ static int scsi_initfn(SCSIDevice *dev)
return -1;
}
- if (s->removable) {
+ if (s->features & (1 << SCSI_DISK_F_REMOVABLE)) {
bdrv_set_dev_ops(s->qdev.conf.bs, &scsi_cd_block_ops, s);
}
bdrv_set_buffer_alignment(s->qdev.conf.bs, s->qdev.blocksize);
@@ -1755,7 +1758,7 @@ static int scsi_cd_initfn(SCSIDevice *dev)
SCSIDiskState *s = DO_UPCAST(SCSIDiskState, qdev, dev);
s->qdev.blocksize = 2048;
s->qdev.type = TYPE_ROM;
- s->removable = true;
+ s->features |= 1 << SCSI_DISK_F_REMOVABLE;
return scsi_initfn(&s->qdev);
}
@@ -1828,7 +1831,9 @@ static int get_device_type(SCSIDiskState *s)
return -1;
}
s->qdev.type = buf[0];
- s->removable = (buf[1] & 0x80) != 0;
+ if (buf[1] & 0x80) {
+ s->features |= 1 << SCSI_DISK_F_REMOVABLE;
+ }
return 0;
}
@@ -1928,7 +1933,8 @@ static SCSIRequest *scsi_block_new_request(SCSIDevice *d, uint32_t tag,
static Property scsi_hd_properties[] = {
DEFINE_SCSI_DISK_PROPERTIES(),
- DEFINE_PROP_BIT("removable", SCSIDiskState, removable, 0, false),
+ DEFINE_PROP_BIT("removable", SCSIDiskState, features,
+ SCSI_DISK_F_REMOVABLE, false),
DEFINE_PROP_END_OF_LIST(),
};
@@ -2030,7 +2036,8 @@ static TypeInfo scsi_block_info = {
static Property scsi_disk_properties[] = {
DEFINE_SCSI_DISK_PROPERTIES(),
- DEFINE_PROP_BIT("removable", SCSIDiskState, removable, 0, false),
+ DEFINE_PROP_BIT("removable", SCSIDiskState, features,
+ SCSI_DISK_F_REMOVABLE, false),
DEFINE_PROP_END_OF_LIST(),
};