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Searched refs:last_used_idx (Results 1 - 24 of 24) sorted by relevance

/kernel/linux/linux-5.10/tools/virtio/ringtest/
H A Dvirtio_ring_0_9.c43 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
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H A Dring.c61 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()
/kernel/linux/linux-6.6/tools/virtio/ringtest/
H A Dvirtio_ring_0_9.c43 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
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H A Dring.c61 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()
/kernel/linux/linux-6.6/drivers/virtio/
H A Dvirtio_ring.c194 u16 last_used_idx; member
425 vq->last_used_idx = 0 | (1 << VRING_PACKED_EVENT_F_WRAP_CTR); in virtqueue_init()
427 vq->last_used_idx = 0; in virtqueue_init()
819 return vq->last_used_idx != virtio16_to_cpu(vq->vq.vdev, in more_used_split()
848 last_used = (vq->last_used_idx & (vq->split.vring.num - 1)); in virtqueue_get_buf_ctx_split()
866 vq->last_used_idx++; in virtqueue_get_buf_ctx_split()
873 cpu_to_virtio16(_vq->vdev, vq->last_used_idx)); in virtqueue_get_buf_ctx_split()
908 u16 last_used_idx; in virtqueue_enable_cb_prepare_split() local
925 last_used_idx = vq->last_used_idx); in virtqueue_enable_cb_prepare_split()
930 virtqueue_poll_split(struct virtqueue *_vq, unsigned int last_used_idx) virtqueue_poll_split() argument
1213 packed_used_wrap_counter(u16 last_used_idx) packed_used_wrap_counter() argument
1218 packed_last_used(u16 last_used_idx) packed_last_used() argument
1664 u16 last_used_idx; more_used_packed() local
1678 u16 last_used, id, last_used_idx; virtqueue_get_buf_ctx_packed() local
1809 u16 used_idx, wrap_counter, last_used_idx; virtqueue_enable_cb_delayed_packed() local
2483 virtqueue_poll(struct virtqueue *_vq, unsigned int last_used_idx) virtqueue_poll() argument
2509 unsigned int last_used_idx = virtqueue_enable_cb_prepare(_vq); virtqueue_enable_cb() local
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H A Dvirtio_vdpa.c240 s->last_used_idx = 0; in virtio_vdpa_setup_vq()
/kernel/linux/linux-5.10/drivers/virtio/
H A Dvirtio_ring.c114 u16 last_used_idx; member
674 return vq->last_used_idx != virtio16_to_cpu(vq->vq.vdev, in more_used_split()
703 last_used = (vq->last_used_idx & (vq->split.vring.num - 1)); in virtqueue_get_buf_ctx_split()
721 vq->last_used_idx++; in virtqueue_get_buf_ctx_split()
728 cpu_to_virtio16(_vq->vdev, vq->last_used_idx)); in virtqueue_get_buf_ctx_split()
752 u16 last_used_idx; in virtqueue_enable_cb_prepare_split() local
769 last_used_idx = vq->last_used_idx); in virtqueue_enable_cb_prepare_split()
771 return last_used_idx; in virtqueue_enable_cb_prepare_split()
774 static bool virtqueue_poll_split(struct virtqueue *_vq, unsigned last_used_idx) in virtqueue_poll_split() argument
1971 virtqueue_poll(struct virtqueue *_vq, unsigned last_used_idx) virtqueue_poll() argument
1997 unsigned last_used_idx = virtqueue_enable_cb_prepare(_vq); virtqueue_enable_cb() local
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/kernel/linux/linux-5.10/drivers/vhost/
H A Dvhost.c322 vq->last_used_idx = 0; in vhost_vq_reset()
977 return vhost_put_user(vq, cpu_to_vhost16(vq, vq->last_used_idx), in vhost_put_used_idx()
1626 vq->last_used_idx = (s.num >> 16) & 0xffff; in vhost_vring_ioctl()
1640 s.num = (u32)vq->last_avail_idx | ((u32)vq->last_used_idx << 16); in vhost_vring_ioctl()
2013 __virtio16 last_used_idx; in vhost_vq_init_access() local
2031 r = vhost_get_used_idx(vq, &last_used_idx); in vhost_vq_init_access()
2037 vq->last_used_idx = vhost16_to_cpu(vq, last_used_idx); in vhost_vq_init_access()
2377 start = vq->last_used_idx & (vq->num - 1); in __vhost_add_used_n()
2390 old = vq->last_used_idx; in __vhost_add_used_n()
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H A Dvringh.c434 used_idx = vrh->last_used_idx + vrh->completed; in __vringh_complete()
508 vrh->last_used_idx + vrh->completed, in __vringh_need_notify()
509 vrh->last_used_idx); in __vringh_need_notify()
511 vrh->last_used_idx += vrh->completed; in __vringh_need_notify()
645 vrh->last_used_idx = 0; in vringh_init_user()
916 vrh->last_used_idx = 0; in vringh_init_kern()
H A Dvhost.h101 u16 last_used_idx; member
/kernel/linux/linux-6.6/drivers/vhost/
H A Dvhost.c372 vq->last_used_idx = 0; in vhost_vq_reset()
1251 return vhost_put_user(vq, cpu_to_vhost16(vq, vq->last_used_idx), in vhost_put_used_idx()
1912 vq->last_used_idx = (s.num >> 16) & 0xffff; in vhost_vring_ioctl()
1926 s.num = (u32)vq->last_avail_idx | ((u32)vq->last_used_idx << 16); in vhost_vring_ioctl()
2299 __virtio16 last_used_idx; in vhost_vq_init_access() local
2317 r = vhost_get_used_idx(vq, &last_used_idx); in vhost_vq_init_access()
2323 vq->last_used_idx = vhost16_to_cpu(vq, last_used_idx); in vhost_vq_init_access()
2663 start = vq->last_used_idx & (vq->num - 1); in __vhost_add_used_n()
2676 old = vq->last_used_idx; in __vhost_add_used_n()
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H A Dvringh.c462 used_idx = vrh->last_used_idx + vrh->completed; in __vringh_complete()
536 vrh->last_used_idx + vrh->completed, in __vringh_need_notify()
537 vrh->last_used_idx); in __vringh_need_notify()
539 vrh->last_used_idx += vrh->completed; in __vringh_need_notify()
673 vrh->last_used_idx = 0; in vringh_init_user()
947 vrh->last_used_idx = 0; in vringh_init_kern()
H A Dvdpa.c624 vq->last_used_idx = vq_state.packed.last_used_idx | in vhost_vdpa_vring_ioctl()
649 vq_state.packed.last_used_idx = vq->last_used_idx & 0x7fff; in vhost_vdpa_vring_ioctl()
650 vq_state.packed.last_used_counter = !!(vq->last_used_idx & 0x8000); in vhost_vdpa_vring_ioctl()
H A Dvhost.h111 u16 last_used_idx; member
/kernel/linux/linux-6.6/include/uapi/linux/
H A Dvduse.h150 * @last_used_idx: used index
156 __u16 last_used_idx; member
/kernel/linux/linux-6.6/drivers/vdpa/vdpa_user/
H A Dvduse_dev.c270 packed->last_used_idx = in vduse_dev_get_vq_state_packed()
271 msg.resp.vq_state.packed.last_used_idx & 0x7FFF; in vduse_dev_get_vq_state_packed()
574 vq->state.packed.last_used_idx = state->packed.last_used_idx; in vduse_vdpa_set_vq_state()
1246 vq_info.packed.last_used_idx = in vduse_dev_ioctl()
1247 vq->state.packed.last_used_idx; in vduse_dev_ioctl()
/kernel/linux/linux-5.10/include/linux/
H A Dvringh.h38 u16 last_used_idx; member
/kernel/linux/linux-6.6/include/linux/
H A Dvringh.h42 u16 last_used_idx; member
H A Dvdpa.h51 * @last_used_idx: used index
57 u16 last_used_idx:15; member
/kernel/linux/linux-6.6/drivers/vdpa/pds/
H A Dvdpa_dev.c190 used = state->packed.last_used_idx | in pds_vdpa_set_vq_state()
246 state->packed.last_used_idx = used & 0x7fff; in pds_vdpa_get_vq_state()
/kernel/linux/linux-6.6/drivers/vdpa/virtio_pci/
H A Dvp_vdpa.c273 packed->last_used_idx == 0) in vp_vdpa_set_vq_state_packed()
/kernel/linux/linux-6.6/drivers/vdpa/vdpa_sim/
H A Dvdpa_sim.c120 * Although the simple fix is to set last_used_idx at in vdpasim_queue_ready()
123 vq->vring.last_used_idx = last_avail_idx; in vdpasim_queue_ready()
/kernel/linux/linux-6.6/drivers/vdpa/solidrun/
H A Dsnet_main.c155 p->last_avail_idx == 0 && p->last_used_idx == 0) in snet_vq_state_is_initial()
/kernel/linux/linux-6.6/drivers/vdpa/mlx5/net/
H A Dmlx5_vnet.c2813 cvq->vring.last_avail_idx = cvq->vring.last_used_idx = idx; in setup_cvq_vring()

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