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Re: [Qemu-devel] [PATCH v3 01/13] machine: export register_compat_prop()
From: |
Laurent Vivier |
Subject: |
Re: [Qemu-devel] [PATCH v3 01/13] machine: export register_compat_prop() |
Date: |
Mon, 19 Jun 2017 16:27:39 +0200 |
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.1.0 |
On 19/06/2017 14:49, Peter Xu wrote:
> We have HW_COMPAT_*, however that's only binded to machines, not other
> things (like accelerators). Behind it, it was register_compat_prop()
> that played the trick. Let's export the function for further use
> outside HW_COMPAT_* magic.
>
> Meanwhile, move it to qdev-properties.c where seems more proper.
> Refactor it a bit to provide global_prop_list_add() for further
> use (will use it in cases where we need a GlobalProperty list).
>
> CC: Eduardo Habkost <address@hidden>
> CC: Markus Armbruster <address@hidden>
> CC: Marcel Apfelbaum <address@hidden>
> Signed-off-by: Peter Xu <address@hidden>
Reviewed-by: Laurent Vivier <address@hidden>
> ---
> accel.c | 1 +
> hw/core/machine.c | 14 +-------------
> hw/core/qdev-properties.c | 22 ++++++++++++++++++++++
> include/hw/qdev-properties.h | 5 +++++
> 4 files changed, 29 insertions(+), 13 deletions(-)
>
> diff --git a/accel.c b/accel.c
> index 664bb88..62edd29 100644
> --- a/accel.c
> +++ b/accel.c
> @@ -26,6 +26,7 @@
> #include "qemu/osdep.h"
> #include "sysemu/accel.h"
> #include "hw/boards.h"
> +#include "hw/qdev-properties.h"
> #include "qemu-common.h"
> #include "sysemu/arch_init.h"
> #include "sysemu/sysemu.h"
> diff --git a/hw/core/machine.c b/hw/core/machine.c
> index 2e7e977..b4b3449 100644
> --- a/hw/core/machine.c
> +++ b/hw/core/machine.c
> @@ -16,6 +16,7 @@
> #include "qapi-visit.h"
> #include "qapi/visitor.h"
> #include "hw/sysbus.h"
> +#include "hw/qdev-properties.h"
> #include "sysemu/sysemu.h"
> #include "sysemu/numa.h"
> #include "qemu/error-report.h"
> @@ -770,19 +771,6 @@ static void machine_class_finalize(ObjectClass *klass,
> void *data)
> g_free(mc->name);
> }
>
> -static void register_compat_prop(const char *driver,
> - const char *property,
> - const char *value)
> -{
> - GlobalProperty *p = g_new0(GlobalProperty, 1);
> - /* Machine compat_props must never cause errors: */
> - p->errp = &error_abort;
> - p->driver = driver;
> - p->property = property;
> - p->value = value;
> - qdev_prop_register_global(p);
> -}
> -
> static void machine_register_compat_for_subclass(ObjectClass *oc, void
> *opaque)
> {
> GlobalProperty *p = opaque;
> diff --git a/hw/core/qdev-properties.c b/hw/core/qdev-properties.c
> index 9f1a497..4b74382 100644
> --- a/hw/core/qdev-properties.c
> +++ b/hw/core/qdev-properties.c
> @@ -1042,6 +1042,28 @@ void qdev_prop_set_ptr(DeviceState *dev, const char
> *name, void *value)
>
> static GList *global_props;
>
> +GList *global_prop_list_add(GList *list, const char *driver,
> + const char *property, const char *value)
> +{
> + GlobalProperty *p = g_new0(GlobalProperty, 1);
> +
> + /* These properties cannot fail the apply */
> + p->errp = &error_abort;
> + p->driver = driver;
> + p->property = property;
> + p->value = value;
> +
> + return g_list_append(list, p);
> +}
> +
> +void register_compat_prop(const char *driver,
> + const char *property,
> + const char *value)
> +{
> + global_props = global_prop_list_add(global_props, driver,
> + property, value);
> +}
> +
> void qdev_prop_register_global(GlobalProperty *prop)
> {
> global_props = g_list_append(global_props, prop);
> diff --git a/include/hw/qdev-properties.h b/include/hw/qdev-properties.h
> index d206fc9..15ee6ba 100644
> --- a/include/hw/qdev-properties.h
> +++ b/include/hw/qdev-properties.h
> @@ -201,6 +201,11 @@ void qdev_prop_set_globals(DeviceState *dev);
> void error_set_from_qdev_prop_error(Error **errp, int ret, DeviceState *dev,
> Property *prop, const char *value);
>
> +GList *global_prop_list_add(GList *list, const char *driver,
> + const char *property, const char *value);
> +void register_compat_prop(const char *driver, const char *property,
> + const char *value);
> +
> /**
> * qdev_property_add_static:
> * @dev: Device to add the property to.
>