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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>
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381b634c27
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@ -61,10 +61,12 @@ typedef struct SCSIDiskReq {
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BlockAcctCookie acct;
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} SCSIDiskReq;
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#define SCSI_DISK_F_REMOVABLE 0
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struct SCSIDiskState
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{
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SCSIDevice qdev;
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uint32_t removable;
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uint32_t features;
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bool media_changed;
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bool media_event;
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bool eject_request;
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@ -669,7 +671,7 @@ static int scsi_disk_emulate_inquiry(SCSIRequest *req, uint8_t *outbuf)
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memset(outbuf, 0, buflen);
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outbuf[0] = s->qdev.type & 0x1f;
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outbuf[1] = s->removable ? 0x80 : 0;
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outbuf[1] = (s->features & (1 << SCSI_DISK_F_REMOVABLE)) ? 0x80 : 0;
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if (s->qdev.type == TYPE_ROM) {
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memcpy(&outbuf[16], "QEMU CD-ROM ", 16);
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} else {
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@ -1710,7 +1712,8 @@ static int scsi_initfn(SCSIDevice *dev)
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return -1;
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}
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if (!s->removable && !bdrv_is_inserted(s->qdev.conf.bs)) {
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if (!(s->features & (1 << SCSI_DISK_F_REMOVABLE)) &&
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!bdrv_is_inserted(s->qdev.conf.bs)) {
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error_report("Device needs media, but drive is empty");
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return -1;
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}
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@ -1732,7 +1735,7 @@ static int scsi_initfn(SCSIDevice *dev)
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return -1;
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}
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if (s->removable) {
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if (s->features & (1 << SCSI_DISK_F_REMOVABLE)) {
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bdrv_set_dev_ops(s->qdev.conf.bs, &scsi_cd_block_ops, s);
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}
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bdrv_set_buffer_alignment(s->qdev.conf.bs, s->qdev.blocksize);
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@ -1755,7 +1758,7 @@ static int scsi_cd_initfn(SCSIDevice *dev)
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SCSIDiskState *s = DO_UPCAST(SCSIDiskState, qdev, dev);
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s->qdev.blocksize = 2048;
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s->qdev.type = TYPE_ROM;
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s->removable = true;
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s->features |= 1 << SCSI_DISK_F_REMOVABLE;
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return scsi_initfn(&s->qdev);
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}
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@ -1828,7 +1831,9 @@ static int get_device_type(SCSIDiskState *s)
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return -1;
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}
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s->qdev.type = buf[0];
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s->removable = (buf[1] & 0x80) != 0;
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if (buf[1] & 0x80) {
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s->features |= 1 << SCSI_DISK_F_REMOVABLE;
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}
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return 0;
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}
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@ -1928,7 +1933,8 @@ static SCSIRequest *scsi_block_new_request(SCSIDevice *d, uint32_t tag,
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static Property scsi_hd_properties[] = {
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DEFINE_SCSI_DISK_PROPERTIES(),
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DEFINE_PROP_BIT("removable", SCSIDiskState, removable, 0, false),
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DEFINE_PROP_BIT("removable", SCSIDiskState, features,
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SCSI_DISK_F_REMOVABLE, false),
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DEFINE_PROP_END_OF_LIST(),
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};
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@ -2030,7 +2036,8 @@ static TypeInfo scsi_block_info = {
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static Property scsi_disk_properties[] = {
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DEFINE_SCSI_DISK_PROPERTIES(),
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DEFINE_PROP_BIT("removable", SCSIDiskState, removable, 0, false),
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DEFINE_PROP_BIT("removable", SCSIDiskState, features,
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SCSI_DISK_F_REMOVABLE, false),
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DEFINE_PROP_END_OF_LIST(),
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};
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