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QMP: Add ExecuteBlockdevAddWithDriverCache

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ExecuteBlockdevAddWithDriverCache has three one parameter driver
than ExecuteBlockdevAddWithCache.
Parameter driver can set the driver of block device.

Fixes: #198

Signed-off-by: Hui Zhu <teawater@antfin.com>
This commit is contained in:
Hui Zhu 2021-08-31 16:32:09 +08:00
parent 68676b43a5
commit 5c7998db04
1 changed files with 18 additions and 4 deletions
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22
qemu/qmp.go
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@ -772,14 +772,14 @@ func (q *QMP) ExecuteQuit(ctx context.Context) error {
return q.executeCommand(ctx, "quit", nil, nil)
}
func (q *QMP) blockdevAddBaseArgs(device, blockdevID string, ro bool) (map[string]interface{}, map[string]interface{}) {
func (q *QMP) blockdevAddBaseArgs(driver, device, blockdevID string, ro bool) (map[string]interface{}, map[string]interface{}) {
var args map[string]interface{}
blockdevArgs := map[string]interface{}{
"driver": "raw",
"read-only": ro,
"file": map[string]interface{}{
"driver": "host_device",
"driver": driver,
"filename": device,
},
}
@ -795,7 +795,7 @@ func (q *QMP) blockdevAddBaseArgs(device, blockdevID string, ro bool) (map[strin
// used to name the device. As this identifier will be passed directly to QMP,
// it must obey QMP's naming rules, e,g., it must start with a letter.
func (q *QMP) ExecuteBlockdevAdd(ctx context.Context, device, blockdevID string, ro bool) error {
args, _ := q.blockdevAddBaseArgs(device, blockdevID, ro)
args, _ := q.blockdevAddBaseArgs("host_device", device, blockdevID, ro)
return q.executeCommand(ctx, "blockdev-add", args, nil)
}
@ -808,7 +808,21 @@ func (q *QMP) ExecuteBlockdevAdd(ctx context.Context, device, blockdevID string,
// is enabled. noFlush denotes whether flush requests for the device are
// ignored.
func (q *QMP) ExecuteBlockdevAddWithCache(ctx context.Context, device, blockdevID string, direct, noFlush, ro bool) error {
args, blockdevArgs := q.blockdevAddBaseArgs(device, blockdevID, ro)
args, blockdevArgs := q.blockdevAddBaseArgs("host_device", device, blockdevID, ro)
blockdevArgs["cache"] = map[string]interface{}{
"direct": direct,
"no-flush": noFlush,
}
return q.executeCommand(ctx, "blockdev-add", args, nil)
}
// ExecuteBlockdevAddWithDriverCache has three one parameter driver
// than ExecuteBlockdevAddWithCache.
// Parameter driver can set the driver of block device.
func (q *QMP) ExecuteBlockdevAddWithDriverCache(ctx context.Context, driver, device, blockdevID string, direct, noFlush, ro bool) error {
args, blockdevArgs := q.blockdevAddBaseArgs(driver, device, blockdevID, ro)
blockdevArgs["cache"] = map[string]interface{}{
"direct": direct,