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authorMax Reitz <mreitz@redhat.com>2015-10-26 21:39:08 +0100
committerKevin Wolf <kwolf@redhat.com>2015-11-11 16:22:47 +0100
commit7d8a9f71b9ec9fa295265392218efaf0771d96e0 (patch)
treeafe0f85afbb521e8adfb7c523ad2da5a5e2d8438 /blockdev.c
parent38cb18f5b71428fb8a3e3759ac8fa21ac70cb1b5 (diff)
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blockdev: Add blockdev-open-tray
Signed-off-by: Max Reitz <mreitz@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Diffstat (limited to 'blockdev.c')
-rw-r--r--blockdev.c36
1 files changed, 36 insertions, 0 deletions
diff --git a/blockdev.c b/blockdev.c
index 97be42f..d01a99e 100644
--- a/blockdev.c
+++ b/blockdev.c
@@ -2088,6 +2088,42 @@ out:
aio_context_release(aio_context);
}
+void qmp_blockdev_open_tray(const char *device, bool has_force, bool force,
+ Error **errp)
+{
+ BlockBackend *blk;
+ bool locked;
+
+ if (!has_force) {
+ force = false;
+ }
+
+ blk = blk_by_name(device);
+ if (!blk) {
+ error_set(errp, ERROR_CLASS_DEVICE_NOT_FOUND,
+ "Device '%s' not found", device);
+ return;
+ }
+
+ if (!blk_dev_has_removable_media(blk)) {
+ error_setg(errp, "Device '%s' is not removable", device);
+ return;
+ }
+
+ if (blk_dev_is_tray_open(blk)) {
+ return;
+ }
+
+ locked = blk_dev_is_medium_locked(blk);
+ if (locked) {
+ blk_dev_eject_request(blk, force);
+ }
+
+ if (!locked || force) {
+ blk_dev_change_media_cb(blk, false);
+ }
+}
+
/* throttling disk I/O limits */
void qmp_block_set_io_throttle(const char *device, int64_t bps, int64_t bps_rd,
int64_t bps_wr,