Commit 419e691f authored by Stefan Hajnoczi's avatar Stefan Hajnoczi Committed by Kevin Wolf
Browse files

scsi-disk: Allow overriding SCSI INQUIRY removable bit

Provide the "removable" qdev property bit to override the SCSI INQUIRY
removable (RMB) bit for non-CDROM devices.  This will be used by USB
Mass Storage Devices, which sometimes have this guest-visible bit set
and sometimes do not.  They therefore requires a means for user
Signed-off-by: default avatarStefan Hajnoczi <>
Signed-off-by: default avatarKevin Wolf <>
parent 96df67d1
......@@ -72,6 +72,7 @@ struct SCSIDiskState
/* The qemu block layer uses a fixed 512 byte sector size.
This is the number of 512 byte blocks in a single scsi sector. */
int cluster_size;
uint32_t removable;
uint64_t max_lba;
char *version;
......@@ -552,6 +553,7 @@ static int scsi_disk_emulate_inquiry(SCSIRequest *req, uint8_t *outbuf)
memcpy(&outbuf[16], "QEMU CD-ROM ", 16);
} else {
outbuf[0] = 0;
outbuf[1] = s->removable ? 0x80 : 0;
memcpy(&outbuf[16], "QEMU HARDDISK ", 16);
memcpy(&outbuf[8], "QEMU ", 8);
......@@ -1295,6 +1297,7 @@ static SCSIDeviceInfo scsi_disk_info = {
DEFINE_PROP_STRING("ver", SCSIDiskState, version),
DEFINE_PROP_STRING("serial", SCSIDiskState, serial),
DEFINE_PROP_BIT("removable", SCSIDiskState, removable, 0, false),
Supports Markdown
0% or .
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment