diff options
| author | Pavel Hrdina <phrdina@redhat.com> | 2013-05-29 15:47:23 +0200 |
|---|---|---|
| committer | Paolo Bonzini <pbonzini@redhat.com> | 2013-06-18 12:43:03 +0200 |
| commit | 18e673b8f350e1d789b8a50d209eb4a4252ebbda (patch) | |
| tree | f079619cc05bf1da755341dad017bf1b28e6b481 /hw/scsi/scsi-disk.c | |
| parent | d836f8d35dc418e24c3b11e2ea67d361b867b650 (diff) | |
scsi-disk: scsi-block device for scsi pass-through should not be removable
This patch adds a new SCSI_DISK_F_NO_REMOVABLE_DEVOPS feature. By this
feature we can set that the scsi-block (scsi pass-through) device will still
be removable from the guest side, but from monitor it cannot be removed.
Cc: qemu-stable@nongnu.org
Signed-off-by: Pavel Hrdina <phrdina@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'hw/scsi/scsi-disk.c')
| -rw-r--r-- | hw/scsi/scsi-disk.c | 14 |
1 files changed, 11 insertions, 3 deletions
diff --git a/hw/scsi/scsi-disk.c b/hw/scsi/scsi-disk.c index 02733dc507..74e6a14c29 100644 --- a/hw/scsi/scsi-disk.c +++ b/hw/scsi/scsi-disk.c @@ -61,8 +61,9 @@ typedef struct SCSIDiskReq { BlockAcctCookie acct; } SCSIDiskReq; -#define SCSI_DISK_F_REMOVABLE 0 -#define SCSI_DISK_F_DPOFUA 1 +#define SCSI_DISK_F_REMOVABLE 0 +#define SCSI_DISK_F_DPOFUA 1 +#define SCSI_DISK_F_NO_REMOVABLE_DEVOPS 2 struct SCSIDiskState { @@ -2110,7 +2111,8 @@ static int scsi_initfn(SCSIDevice *dev) return -1; } - if (s->features & (1 << SCSI_DISK_F_REMOVABLE)) { + if ((s->features & (1 << SCSI_DISK_F_REMOVABLE)) && + !(s->features & (1 << SCSI_DISK_F_NO_REMOVABLE_DEVOPS))) { 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); @@ -2322,6 +2324,12 @@ static int scsi_block_initfn(SCSIDevice *dev) } else { s->qdev.blocksize = 512; } + + /* Makes the scsi-block device not removable by using HMP and QMP eject + * command. + */ + s->features |= (1 << SCSI_DISK_F_NO_REMOVABLE_DEVOPS); + return scsi_initfn(&s->qdev); } |