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hw/virtio: derive vhost-user-gpio from vhost-user-base

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Now the new base class supports config handling we can take advantage
and make vhost-user-gpio a much simpler boilerplate wrapper. Also as
this doesn't require any target specific hacks we only need to build
the stubs once.

Acked-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20240104210945.1223134-5-alex.bennee@linaro.org>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
This commit is contained in:
Alex Bennée 2024-01-04 21:09:38 +00:00 • committed by Michael S. Tsirkin
parent 233412bf7a
commit 5ba587580d
3 changed files with 22 additions and 415 deletions
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25
include/hw/virtio/vhost-user-gpio.h
View file

@ -12,34 +12,13 @@
#include "hw/virtio/virtio.h"
#include "hw/virtio/vhost.h"
#include "hw/virtio/vhost-user.h"
#include "standard-headers/linux/virtio_gpio.h"
#include "chardev/char-fe.h"
#include "hw/virtio/vhost-user-base.h"
#define TYPE_VHOST_USER_GPIO "vhost-user-gpio-device"
OBJECT_DECLARE_SIMPLE_TYPE(VHostUserGPIO, VHOST_USER_GPIO);
struct VHostUserGPIO {
/*< private >*/
VirtIODevice parent_obj;
CharBackend chardev;
struct virtio_gpio_config config;
struct vhost_virtqueue *vhost_vqs;
struct vhost_dev vhost_dev;
VhostUserState vhost_user;
VirtQueue *command_vq;
VirtQueue *interrupt_vq;
/**
* There are at least two steps of initialization of the
* vhost-user device. The first is a "connect" step and
* second is a "start" step. Make a separation between
* those initialization phases by using two fields.
*
* @connected: see vu_gpio_connect()/vu_gpio_disconnect()
* @started_vu: see vu_gpio_start()/vu_gpio_stop()
*/
bool connected;
bool started_vu;
/*< public >*/
VHostUserBase parent_obj;
};
#endif /* _QEMU_VHOST_USER_GPIO_H */