Searched refs:last_used_idx (Results 1 – 12 of 12) sorted by relevance
| /Linux-v5.15/tools/virtio/ringtest/ |
| D | virtio_ring_0_9.c | 43 unsigned short last_used_idx; member
80 guest.last_used_idx = 0; in alloc_ring()
159 head = (ring_size - 1) & guest.last_used_idx; in get_buf()
161 if ((index ^ guest.last_used_idx ^ 0x8000) & ~(ring_size - 1)) in get_buf()
167 if (ring.used->idx == guest.last_used_idx) in get_buf()
172 head = (ring_size - 1) & guest.last_used_idx; in get_buf()
175 head = (ring_size - 1) & guest.last_used_idx; in get_buf()
193 guest.last_used_idx++; in get_buf()
199 unsigned short last_used_idx = guest.last_used_idx; in used_empty() local
201 unsigned short head = last_used_idx & (ring_size - 1); in used_empty()
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| D | ring.c | 61 unsigned last_used_idx; member
94 guest.last_used_idx = 0; in alloc_ring()
145 unsigned head = (ring_size - 1) & guest.last_used_idx; in get_buf()
160 guest.last_used_idx++; in get_buf()
166 unsigned head = (ring_size - 1) & guest.last_used_idx; in used_empty()
180 event->call_index = guest.last_used_idx; in enable_call()
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| /Linux-v5.15/drivers/virtio/ |
| D | virtio_ring.c | 115 u16 last_used_idx; member
744 return vq->last_used_idx != virtio16_to_cpu(vq->vq.vdev, in more_used_split()
773 last_used = (vq->last_used_idx & (vq->split.vring.num - 1)); in virtqueue_get_buf_ctx_split()
791 vq->last_used_idx++; in virtqueue_get_buf_ctx_split()
798 cpu_to_virtio16(_vq->vdev, vq->last_used_idx)); in virtqueue_get_buf_ctx_split()
825 u16 last_used_idx; in virtqueue_enable_cb_prepare_split() local
842 last_used_idx = vq->last_used_idx); in virtqueue_enable_cb_prepare_split()
844 return last_used_idx; in virtqueue_enable_cb_prepare_split()
847 static bool virtqueue_poll_split(struct virtqueue *_vq, unsigned last_used_idx) in virtqueue_poll_split() argument
851 return (u16)last_used_idx != virtio16_to_cpu(_vq->vdev, in virtqueue_poll_split()
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| D | virtio_vdpa.c | 206 s->last_used_idx = 0; in virtio_vdpa_setup_vq()
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| /Linux-v5.15/drivers/vhost/ |
| D | vringh.c | 446 used_idx = vrh->last_used_idx + vrh->completed; in __vringh_complete()
520 vrh->last_used_idx + vrh->completed, in __vringh_need_notify()
521 vrh->last_used_idx); in __vringh_need_notify()
523 vrh->last_used_idx += vrh->completed; in __vringh_need_notify()
657 vrh->last_used_idx = 0; in vringh_init_user()
931 vrh->last_used_idx = 0; in vringh_init_kern()
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| D | vhost.c | 322 vq->last_used_idx = 0; in vhost_vq_reset()
976 return vhost_put_user(vq, cpu_to_vhost16(vq, vq->last_used_idx), in vhost_put_used_idx()
2004 __virtio16 last_used_idx; in vhost_vq_init_access() local
2022 r = vhost_get_used_idx(vq, &last_used_idx); in vhost_vq_init_access()
2028 vq->last_used_idx = vhost16_to_cpu(vq, last_used_idx); in vhost_vq_init_access()
2368 start = vq->last_used_idx & (vq->num - 1); in __vhost_add_used_n()
2381 old = vq->last_used_idx; in __vhost_add_used_n()
2382 new = (vq->last_used_idx += count); in __vhost_add_used_n()
2399 start = vq->last_used_idx & (vq->num - 1); in vhost_add_used_n()
2453 new = vq->signalled_used = vq->last_used_idx; in vhost_notify()
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| D | vhost.h | 96 u16 last_used_idx; member
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| /Linux-v5.15/include/uapi/linux/ |
| D | vduse.h | 156 __u16 last_used_idx; member
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| /Linux-v5.15/drivers/vdpa/vdpa_user/ |
| D | vduse_dev.c | 248 packed->last_used_idx = in vduse_dev_get_vq_state_packed()
249 msg.resp.vq_state.packed.last_used_idx & 0x7FFF; in vduse_dev_get_vq_state_packed()
550 vq->state.packed.last_used_idx = state->packed.last_used_idx; in vduse_vdpa_set_vq_state()
1041 vq_info.packed.last_used_idx = in vduse_dev_ioctl()
1042 vq->state.packed.last_used_idx; in vduse_dev_ioctl()
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| /Linux-v5.15/include/linux/ |
| D | vdpa.h | 49 u16 last_used_idx:15; member
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| D | vringh.h | 39 u16 last_used_idx; member
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| /Linux-v5.15/drivers/vdpa/virtio_pci/ |
| D | vp_vdpa.c | 242 packed->last_used_idx == 0) in vp_vdpa_set_vq_state_packed()
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