53 static void vhost_disable_cross_endian(struct vhost_virtqueue *vq)  in vhost_disable_cross_endian()
58 static void vhost_enable_cross_endian_big(struct vhost_virtqueue *vq)  in vhost_enable_cross_endian_big()
63 static void vhost_enable_cross_endian_little(struct vhost_virtqueue *vq)  in vhost_enable_cross_endian_little()
68 static long vhost_set_vring_endian(struct vhost_virtqueue *vq, int __user *argp)  in vhost_set_vring_endian()
90 static long vhost_get_vring_endian(struct vhost_virtqueue *vq, u32 idx,  in vhost_get_vring_endian()
104 static void vhost_init_is_le(struct vhost_virtqueue *vq)  in vhost_init_is_le()
114 static void vhost_disable_cross_endian(struct vhost_virtqueue *vq)  in vhost_disable_cross_endian()
118 static long vhost_set_vring_endian(struct vhost_virtqueue *vq, int __user *argp)  in vhost_set_vring_endian()
123 static long vhost_get_vring_endian(struct vhost_virtqueue *vq, u32 idx,  in vhost_get_vring_endian()
129 static void vhost_init_is_le(struct vhost_virtqueue *vq)  in vhost_init_is_le()
136 static void vhost_reset_is_le(struct vhost_virtqueue *vq)  in vhost_reset_is_le()
285 static void __vhost_vq_meta_reset(struct vhost_virtqueue *vq)  in __vhost_vq_meta_reset()
307 bool vhost_vq_is_setup(struct vhost_virtqueue *vq)  in vhost_vq_is_setup()
314 			   struct vhost_virtqueue *vq)  in vhost_vq_reset()
382 static void vhost_vq_free_iovecs(struct vhost_virtqueue *vq)  in vhost_vq_free_iovecs()
395 	struct vhost_virtqueue *vq;  in vhost_dev_alloc_iovecs()
426 bool vhost_exceeds_weight(struct vhost_virtqueue *vq,  in vhost_exceeds_weight()
441 static size_t vhost_get_avail_size(struct vhost_virtqueue *vq,  in vhost_get_avail_size()
451 static size_t vhost_get_used_size(struct vhost_virtqueue *vq,  in vhost_get_used_size()
461 static size_t vhost_get_desc_size(struct vhost_virtqueue *vq,  in vhost_get_desc_size()
468 		    struct vhost_virtqueue **vqs, int nvqs,  in vhost_dev_init()
474 	struct vhost_virtqueue *vq;  in vhost_dev_init()
776 static inline void __user *vhost_vq_meta_fetch(struct vhost_virtqueue *vq,  in vhost_vq_meta_fetch()
814 static int translate_desc(struct vhost_virtqueue *vq, u64 addr, u32 len,
817 static int vhost_copy_to_user(struct vhost_virtqueue *vq, void __user *to,  in vhost_copy_to_user()
852 static int vhost_copy_from_user(struct vhost_virtqueue *vq, void *to,  in vhost_copy_from_user()
892 static void __user *__vhost_get_user_slow(struct vhost_virtqueue *vq,  in __vhost_get_user_slow()
923 static inline void __user *__vhost_get_user(struct vhost_virtqueue *vq,  in __vhost_get_user()
952 static inline int vhost_put_avail_event(struct vhost_virtqueue *vq)  in vhost_put_avail_event()
958 static inline int vhost_put_used(struct vhost_virtqueue *vq,  in vhost_put_used()
966 static inline int vhost_put_used_flags(struct vhost_virtqueue *vq)  in vhost_put_used_flags()
973 static inline int vhost_put_used_idx(struct vhost_virtqueue *vq)  in vhost_put_used_idx()
1018 static inline int vhost_get_avail_idx(struct vhost_virtqueue *vq,  in vhost_get_avail_idx()
1024 static inline int vhost_get_avail_head(struct vhost_virtqueue *vq,  in vhost_get_avail_head()
1031 static inline int vhost_get_avail_flags(struct vhost_virtqueue *vq,  in vhost_get_avail_flags()
1037 static inline int vhost_get_used_event(struct vhost_virtqueue *vq,  in vhost_get_used_event()
1043 static inline int vhost_get_used_idx(struct vhost_virtqueue *vq,  in vhost_get_used_idx()
1049 static inline int vhost_get_desc(struct vhost_virtqueue *vq,  in vhost_get_desc()
1271 static int vhost_iotlb_miss(struct vhost_virtqueue *vq, u64 iova, int access)  in vhost_iotlb_miss()
1298 static bool vq_access_ok(struct vhost_virtqueue *vq, unsigned int num,  in vq_access_ok()
1314 static void vhost_vq_meta_update(struct vhost_virtqueue *vq,  in vhost_vq_meta_update()
1325 static bool iotlb_access_ok(struct vhost_virtqueue *vq,  in iotlb_access_ok()
1359 int vq_meta_prefetch(struct vhost_virtqueue *vq)  in vq_meta_prefetch()
1384 static bool vq_log_used_access_ok(struct vhost_virtqueue *vq,  in vq_log_used_access_ok()
1400 static bool vq_log_access_ok(struct vhost_virtqueue *vq,  in vq_log_access_ok()
1410 bool vhost_vq_access_ok(struct vhost_virtqueue *vq)  in vhost_vq_access_ok()
1487 				struct vhost_virtqueue *vq,  in vhost_vring_set_num()
1508 				 struct vhost_virtqueue *vq,  in vhost_vring_set_addr()
1560 				     struct vhost_virtqueue *vq,  in vhost_vring_set_num_addr()
1589 	struct vhost_virtqueue *vq;  in vhost_vring_ioctl()
1733 		struct vhost_virtqueue *vq = d->vqs[i];  in vhost_init_device_iotlb()
1780 			struct vhost_virtqueue *vq;  in vhost_dev_ioctl()
1868 static int log_write_hva(struct vhost_virtqueue *vq, u64 hva, u64 len)  in log_write_hva()
1907 static int log_used(struct vhost_virtqueue *vq, u64 used_offset, u64 len)  in log_used()
1930 int vhost_log_write(struct vhost_virtqueue *vq, struct vhost_log *log,  in vhost_log_write()
1966 static int vhost_update_used_flags(struct vhost_virtqueue *vq)  in vhost_update_used_flags()
1984 static int vhost_update_avail_event(struct vhost_virtqueue *vq, u16 avail_event)  in vhost_update_avail_event()
2002 int vhost_vq_init_access(struct vhost_virtqueue *vq)  in vhost_vq_init_access()
2037 static int translate_desc(struct vhost_virtqueue *vq, u64 addr, u32 len,  in translate_desc()
2085 static unsigned next_desc(struct vhost_virtqueue *vq, struct vring_desc *desc)  in next_desc()
2098 static int get_indirect(struct vhost_virtqueue *vq,  in get_indirect()
2199 int vhost_get_vq_desc(struct vhost_virtqueue *vq,  in vhost_get_vq_desc()
2341 void vhost_discard_vq_desc(struct vhost_virtqueue *vq, int n)  in vhost_discard_vq_desc()
2349 int vhost_add_used(struct vhost_virtqueue *vq, unsigned int head, int len)  in vhost_add_used()
2360 static int __vhost_add_used_n(struct vhost_virtqueue *vq,  in __vhost_add_used_n()
2394 int vhost_add_used_n(struct vhost_virtqueue *vq, struct vring_used_elem *heads,  in vhost_add_used_n()
2429 static bool vhost_notify(struct vhost_dev *dev, struct vhost_virtqueue *vq)  in vhost_notify()
2467 void vhost_signal(struct vhost_dev *dev, struct vhost_virtqueue *vq)  in vhost_signal()
2477 			       struct vhost_virtqueue *vq,  in vhost_add_used_and_signal()
2487 				 struct vhost_virtqueue *vq,  in vhost_add_used_and_signal_n()
2496 bool vhost_vq_avail_empty(struct vhost_dev *dev, struct vhost_virtqueue *vq)  in vhost_vq_avail_empty()
2514 bool vhost_enable_notify(struct vhost_dev *dev, struct vhost_virtqueue *vq)  in vhost_enable_notify()
2552 void vhost_disable_notify(struct vhost_dev *dev, struct vhost_virtqueue *vq)  in vhost_disable_notify()
2569 struct vhost_msg_node *vhost_new_msg(struct vhost_virtqueue *vq, int type)  in vhost_new_msg()
2613 	struct vhost_virtqueue *vq;  in vhost_set_backend_features()