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Searched refs:last_used_idx (Results 1 – 16 of 16) sorted by relevance

/linux/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
201 unsigned short head = last_used_idx & (ring_size - 1); in used_empty()
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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()
/linux/drivers/virtio/
H A Dvirtio_ring.c185 unsigned int last_used_idx);
239 u16 last_used_idx; member
549 vq->last_used_idx = 0 | (1 << VRING_PACKED_EVENT_F_WRAP_CTR); in virtqueue_init()
551 vq->last_used_idx = 0; in virtqueue_init()
946 unsigned int last_used_idx) in virtqueue_poll_split() argument
948 return (u16)last_used_idx != vring_read_split_used_idx(vq); in virtqueue_poll_split()
953 return virtqueue_poll_split(vq, vq->last_used_idx); in more_used_split()
961 return virtqueue_poll_split(vq, vq->last_used_idx); in more_used_split_in_order()
988 last_used = (vq->last_used_idx & (vq->split.vring.num - 1)); in virtqueue_get_buf_ctx_split()
1004 vq->last_used_idx++; in virtqueue_get_buf_ctx_split()
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H A Dvirtio_vdpa.c227 s->last_used_idx = 0; in virtio_vdpa_setup_vq()
/linux/drivers/vhost/
H A Dvhost.c388 vq->last_used_idx = 0; in vhost_vq_reset()
1510 return vhost_put_user(vq, cpu_to_vhost16(vq, vq->last_used_idx), in vhost_put_used_idx()
2233 vq->last_used_idx = (s.num >> 16) & 0xffff; in vhost_vring_ioctl()
2247 s.num = (u32)vq->last_avail_idx | ((u32)vq->last_used_idx << 16); in vhost_vring_ioctl()
2711 __virtio16 last_used_idx; in vhost_vq_init_access() local
2729 r = vhost_get_used_idx(vq, &last_used_idx); in vhost_vq_init_access()
2735 vq->last_used_idx = vhost16_to_cpu(vq, last_used_idx); in vhost_vq_init_access()
3111 start = vq->last_used_idx & (vq->num - 1); in __vhost_add_used_n()
3124 old = vq->last_used_idx; in __vhost_add_used_n()
3125 new = (vq->last_used_idx += count); in __vhost_add_used_n()
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H A Dvringh.c461 used_idx = vrh->last_used_idx + vrh->completed; in __vringh_complete()
535 vrh->last_used_idx + vrh->completed, in __vringh_need_notify()
536 vrh->last_used_idx); in __vringh_need_notify()
538 vrh->last_used_idx += vrh->completed; in __vringh_need_notify()
672 vrh->last_used_idx = 0; in vringh_init_user()
916 vrh->last_used_idx = 0; in vringh_init_kern()
H A Dvdpa.c759 vq->last_used_idx = vq_state.packed.last_used_idx | in vhost_vdpa_vring_ioctl()
797 vq_state.packed.last_used_idx = vq->last_used_idx & 0x7fff; in vhost_vdpa_vring_ioctl()
798 vq_state.packed.last_used_counter = !!(vq->last_used_idx & 0x8000); in vhost_vdpa_vring_ioctl()
H A Dvhost.h129 u16 last_used_idx; member
/linux/include/uapi/linux/
H A Dvduse.h180 __u16 last_used_idx; member
/linux/drivers/vdpa/vdpa_user/
H A Dvduse_dev.c316 packed->last_used_idx = in vduse_dev_get_vq_state_packed()
317 msg.resp.vq_state.packed.last_used_idx & 0x7FFF; in vduse_dev_get_vq_state_packed()
696 vq->state.packed.last_used_idx = state->packed.last_used_idx; in vduse_vdpa_set_vq_state()
1634 vq_info.packed.last_used_idx = in vduse_dev_ioctl()
1635 vq->state.packed.last_used_idx; in vduse_dev_ioctl()
1866 vq_info.packed.last_used_idx = in vduse_dev_compat_ioctl()
1867 vq->state.packed.last_used_idx; in vduse_dev_compat_ioctl()
/linux/include/linux/
H A Dvringh.h42 u16 last_used_idx; member
/linux/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()
/linux/drivers/vdpa/virtio_pci/
H A Dvp_vdpa.c280 packed->last_used_idx == 0) in vp_vdpa_set_vq_state_packed()
/linux/drivers/vdpa/vdpa_sim/
H A Dvdpa_sim.c123 vq->vring.last_used_idx = last_avail_idx; in vdpasim_queue_ready()
/linux/drivers/vdpa/solidrun/
H A Dsnet_main.c155 p->last_avail_idx == 0 && p->last_used_idx == 0) in snet_vq_state_is_initial()
/linux/drivers/vdpa/mlx5/net/
H A Dmlx5_vnet.c3193 cvq->vring.last_avail_idx = cvq->vring.last_used_idx = idx; in setup_cvq_vring()