mirror of
https://github.com/reactos/reactos.git
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129 lines
3.3 KiB
C
129 lines
3.3 KiB
C
#ifndef _LINUX_VIRTIO_H
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#define _LINUX_VIRTIO_H
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#include "virtio_ring.h"
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#define scatterlist VirtIOBufferDescriptor
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struct VirtIOBufferDescriptor {
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PHYSICAL_ADDRESS physAddr;
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ULONG length;
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};
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typedef int (*proc_virtqueue_add_buf)(
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struct virtqueue *vq,
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struct scatterlist sg[],
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unsigned int out_num,
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unsigned int in_num,
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void *opaque,
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void *va_indirect,
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ULONGLONG phys_indirect);
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typedef bool(*proc_virtqueue_kick_prepare)(struct virtqueue *vq);
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typedef void(*proc_virtqueue_kick_always)(struct virtqueue *vq);
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typedef void * (*proc_virtqueue_get_buf)(struct virtqueue *vq, unsigned int *len);
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typedef void(*proc_virtqueue_disable_cb)(struct virtqueue *vq);
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typedef bool(*proc_virtqueue_enable_cb)(struct virtqueue *vq);
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typedef bool(*proc_virtqueue_enable_cb_delayed)(struct virtqueue *vq);
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typedef void * (*proc_virtqueue_detach_unused_buf)(struct virtqueue *vq);
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typedef BOOLEAN(*proc_virtqueue_is_interrupt_enabled)(struct virtqueue *vq);
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typedef BOOLEAN(*proc_virtqueue_has_buf)(struct virtqueue *vq);
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typedef void(*proc_virtqueue_shutdown)(struct virtqueue *vq);
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/* Represents one virtqueue; only data pointed to by the vring structure is exposed to the host */
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struct virtqueue {
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VirtIODevice *vdev;
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unsigned int index;
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void (*notification_cb)(struct virtqueue *vq);
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void *notification_addr;
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void *avail_va;
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void *used_va;
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proc_virtqueue_add_buf add_buf;
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proc_virtqueue_kick_prepare kick_prepare;
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proc_virtqueue_kick_always kick_always;
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proc_virtqueue_get_buf get_buf;
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proc_virtqueue_disable_cb disable_cb;
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proc_virtqueue_enable_cb enable_cb;
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proc_virtqueue_enable_cb_delayed enable_cb_delayed;
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proc_virtqueue_detach_unused_buf detach_unused_buf;
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proc_virtqueue_is_interrupt_enabled is_interrupt_enabled;
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proc_virtqueue_has_buf has_buf;
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proc_virtqueue_shutdown shutdown;
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};
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static inline int virtqueue_add_buf(
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struct virtqueue *vq,
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struct scatterlist sg[],
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unsigned int out_num,
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unsigned int in_num,
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void *opaque,
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void *va_indirect,
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ULONGLONG phys_indirect)
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{
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return vq->add_buf(vq, sg, out_num, in_num, opaque, va_indirect, phys_indirect);
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}
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static inline bool virtqueue_kick_prepare(struct virtqueue *vq)
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{
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return vq->kick_prepare(vq);
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}
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static inline void virtqueue_kick_always(struct virtqueue *vq)
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{
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vq->kick_always(vq);
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}
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static inline void *virtqueue_get_buf(struct virtqueue *vq, unsigned int *len)
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{
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return vq->get_buf(vq, len);
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}
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static inline void virtqueue_disable_cb(struct virtqueue *vq)
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{
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vq->disable_cb(vq);
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}
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static inline bool virtqueue_enable_cb(struct virtqueue *vq)
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{
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return vq->enable_cb(vq);
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}
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static inline bool virtqueue_enable_cb_delayed(struct virtqueue *vq)
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{
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return vq->enable_cb_delayed(vq);
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}
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static inline void *virtqueue_detach_unused_buf(struct virtqueue *vq)
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{
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return vq->detach_unused_buf(vq);
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}
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static inline BOOLEAN virtqueue_is_interrupt_enabled(struct virtqueue *vq)
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{
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return vq->is_interrupt_enabled(vq);
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}
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static inline BOOLEAN virtqueue_has_buf(struct virtqueue *vq)
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{
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return vq->has_buf(vq);
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}
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static inline void virtqueue_shutdown(struct virtqueue *vq)
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{
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vq->shutdown(vq);
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}
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void virtqueue_notify(struct virtqueue *vq);
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void virtqueue_kick(struct virtqueue *vq);
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#endif /* _LINUX_VIRTIO_H */
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