qdev: Add help for device properties
Option "-device DRIVER,?" and monitor command "device_add DRIVER,?"
print the supported properties instead of creating a device. The
former also terminates the program.
This is commit 2ba6edf0
(just reverted) done right.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
This commit is contained in:
parent
5137b6accd
commit
08350cf06a
13
hw/qdev.c
13
hw/qdev.c
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@ -158,6 +158,7 @@ int qdev_device_help(QemuOpts *opts)
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const char *driver;
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DeviceInfo *info;
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char msg[256];
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Property *prop;
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driver = qemu_opt_get(opts, "driver");
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if (driver && !strcmp(driver, "?")) {
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@ -168,9 +169,21 @@ int qdev_device_help(QemuOpts *opts)
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return 1;
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}
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if (!qemu_opt_get(opts, "?")) {
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return 0;
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}
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info = qdev_find_info(NULL, driver);
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if (!info) {
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return 0;
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}
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for (prop = info->props; prop && prop->name; prop++) {
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qemu_error("%s.%s\n", info->name, prop->name);
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}
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return 1;
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}
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DeviceState *qdev_device_add(QemuOpts *opts)
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{
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const char *driver, *path, *id;
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