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[Qemu-block] [PATCH v3 27/38] blockdev: Add blockdev-close-tray
From: |
Max Reitz |
Subject: |
[Qemu-block] [PATCH v3 27/38] blockdev: Add blockdev-close-tray |
Date: |
Wed, 3 Jun 2015 21:44:08 +0200 |
Signed-off-by: Max Reitz <address@hidden>
Reviewed-by: Eric Blake <address@hidden>
---
blockdev.c | 22 ++++++++++++++++++++++
qapi/block-core.json | 16 ++++++++++++++++
qmp-commands.hx | 35 +++++++++++++++++++++++++++++++++++
3 files changed, 73 insertions(+)
diff --git a/blockdev.c b/blockdev.c
index 6d9cb12..1678b7f 100644
--- a/blockdev.c
+++ b/blockdev.c
@@ -2084,6 +2084,28 @@ out:
}
}
+void qmp_blockdev_close_tray(const char *device, Error **errp)
+{
+ BlockBackend *blk;
+
+ blk = blk_by_name(device);
+ if (!blk) {
+ error_set(errp, QERR_DEVICE_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;
+ }
+
+ blk_dev_change_media_cb(blk, true);
+}
+
/* 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,
diff --git a/qapi/block-core.json b/qapi/block-core.json
index dfb2b70..ac661e9 100644
--- a/qapi/block-core.json
+++ b/qapi/block-core.json
@@ -1859,6 +1859,22 @@
'data': { 'device': 'str',
'*force': 'bool' } }
+##
+# @blockdev-close-tray:
+#
+# Closes a block device's tray. If there is a block driver state tree
associated
+# with the block device (which is currently ejected), that tree will be loaded
+# as the medium.
+#
+# If the tray was already closed before, this will be a no-op.
+#
+# @device: block device name
+#
+# Since: 2.3
+##
+{ 'command': 'blockdev-close-tray',
+ 'data': { 'device': 'str' } }
+
##
# @BlockErrorAction
diff --git a/qmp-commands.hx b/qmp-commands.hx
index 85f3c6f..5bb0179 100644
--- a/qmp-commands.hx
+++ b/qmp-commands.hx
@@ -3906,6 +3906,41 @@ Example:
EQMP
{
+ .name = "blockdev-close-tray",
+ .args_type = "device:s",
+ .mhandler.cmd_new = qmp_marshal_input_blockdev_close_tray,
+ },
+
+SQMP
+blockdev-close-tray
+-------------------
+
+Closes a block device's tray. If there is a block driver state tree associated
+with the block device (which is currently ejected), that tree will be loaded as
+the medium.
+
+If the tray was already closed before, this will be a no-op.
+
+Arguments:
+
+- "device": block device name (json-string)
+
+Example:
+
+-> { "execute": "blockdev-close-tray",
+ "arguments": { "device": "ide1-cd0" } }
+
+<- { "timestamp": { "seconds": 1418751345,
+ "microseconds": 272147 },
+ "event": "DEVICE_TRAY_MOVED",
+ "data": { "device": "ide1-cd0",
+ "tray-open": false } }
+
+<- { "return": {} }
+
+EQMP
+
+ {
.name = "query-named-block-nodes",
.args_type = "",
.mhandler.cmd_new = qmp_marshal_input_query_named_block_nodes,
--
2.4.1
- Re: [Qemu-block] [PATCH v3 21/38] block: Prepare for NULL BDS, (continued)
- [Qemu-block] [PATCH v3 22/38] blockdev: Do not create BDS for empty drive, Max Reitz, 2015/06/03
- [Qemu-block] [PATCH v3 23/38] blockdev: Pull out blockdev option extraction, Max Reitz, 2015/06/03
- [Qemu-block] [PATCH v3 25/38] block: Add blk_remove_bs(), Max Reitz, 2015/06/03
- [Qemu-block] [PATCH v3 26/38] blockdev: Add blockdev-open-tray, Max Reitz, 2015/06/03
- [Qemu-block] [PATCH v3 24/38] blockdev: Allow more options for BB-less BDS tree, Max Reitz, 2015/06/03
- [Qemu-block] [PATCH v3 27/38] blockdev: Add blockdev-close-tray,
Max Reitz <=
- [Qemu-block] [PATCH v3 28/38] blockdev: Add blockdev-remove-medium, Max Reitz, 2015/06/03
- [Qemu-block] [PATCH v3 29/38] blockdev: Add blockdev-insert-medium, Max Reitz, 2015/06/03
- [Qemu-block] [PATCH v3 30/38] blockdev: Implement eject with basic operations, Max Reitz, 2015/06/03
- [Qemu-block] [PATCH v3 31/38] blockdev: Implement change with basic operations, Max Reitz, 2015/06/03
- [Qemu-block] [PATCH v3 32/38] block: Inquire tray state before tray-moved events, Max Reitz, 2015/06/03
- [Qemu-block] [PATCH v3 34/38] hmp: Use blockdev-change-medium for change command, Max Reitz, 2015/06/03
- [Qemu-block] [PATCH v3 33/38] qmp: Introduce blockdev-change-medium, Max Reitz, 2015/06/03
- [Qemu-block] [PATCH v3 35/38] blockdev: read-only-mode for blockdev-change-medium, Max Reitz, 2015/06/03