search for: last_used_wrap_count

Displaying 20 results from an estimated 23 matches for "last_used_wrap_count".

Did you mean: last_used_wrap_counter
[PATCH net-next V2 6/8] vhost: packed ring support
2018 Oct 12
2
[PATCH net-next V2 6/8] vhost: packed ring support
...; + } Do we want to put wrap_counter at bit 15? If put wrap_counter at bit 31, the check (s.num > 0xffff) won't be able to catch the illegal index 0x8000~0xffff for packed ring. > + vq->last_used_idx = s.num; > + if (vhost_has_feature(vq, VIRTIO_F_RING_PACKED)) > + vq->last_used_wrap_counter = wrap_counter; > + break; > + case VHOST_GET_VRING_USED_BASE: Do we need the new VHOST_GET_VRING_USED_BASE and VHOST_SET_VRING_USED_BASE ops? We are going to merge below series in DPDK: http://patches.dpdk.org/patch/45874/ We may need to reach an agreement first. > + s.index = i...
[PATCH net-next V2 6/8] vhost: packed ring support
2018 Oct 12
2
[PATCH net-next V2 6/8] vhost: packed ring support
...; + } Do we want to put wrap_counter at bit 15? If put wrap_counter at bit 31, the check (s.num > 0xffff) won't be able to catch the illegal index 0x8000~0xffff for packed ring. > + vq->last_used_idx = s.num; > + if (vhost_has_feature(vq, VIRTIO_F_RING_PACKED)) > + vq->last_used_wrap_counter = wrap_counter; > + break; > + case VHOST_GET_VRING_USED_BASE: Do we need the new VHOST_GET_VRING_USED_BASE and VHOST_SET_VRING_USED_BASE ops? We are going to merge below series in DPDK: http://patches.dpdk.org/patch/45874/ We may need to reach an agreement first. > + s.index = i...
[PATCH net-next V2 6/8] vhost: packed ring support
2018 Oct 15
2
[PATCH net-next V2 6/8] vhost: packed ring support
...(s.num > 0xffff) >> won't be able to catch the illegal index 0x8000~0xffff for >> packed ring. >> Do we need to clarify this in the spec? >>> + vq->last_used_idx = s.num; >>> + if (vhost_has_feature(vq, VIRTIO_F_RING_PACKED)) >>> + vq->last_used_wrap_counter = wrap_counter; >>> + break; >>> + case VHOST_GET_VRING_USED_BASE: >> Do we need the new VHOST_GET_VRING_USED_BASE and >> VHOST_SET_VRING_USED_BASE ops? >> >> We are going to merge below series in DPDK: >> >> http://patches.dpdk.org/patch/458...
[PATCH net-next V2 6/8] vhost: packed ring support
2018 Oct 15
2
[PATCH net-next V2 6/8] vhost: packed ring support
...(s.num > 0xffff) >> won't be able to catch the illegal index 0x8000~0xffff for >> packed ring. >> Do we need to clarify this in the spec? >>> + vq->last_used_idx = s.num; >>> + if (vhost_has_feature(vq, VIRTIO_F_RING_PACKED)) >>> + vq->last_used_wrap_counter = wrap_counter; >>> + break; >>> + case VHOST_GET_VRING_USED_BASE: >> Do we need the new VHOST_GET_VRING_USED_BASE and >> VHOST_SET_VRING_USED_BASE ops? >> >> We are going to merge below series in DPDK: >> >> http://patches.dpdk.org/patch/458...
[PATCH net-next V2 6/8] vhost: packed ring support
2018 Oct 15
1
[PATCH net-next V2 6/8] vhost: packed ring support
...t;> Do we need to clarify this in the spec? > Isn't this all internal vhost stuff? I meant the illegal index 0x8000-0xffff. > >>>>> + vq->last_used_idx = s.num; >>>>> + if (vhost_has_feature(vq, VIRTIO_F_RING_PACKED)) >>>>> + vq->last_used_wrap_counter = wrap_counter; >>>>> + break; >>>>> + case VHOST_GET_VRING_USED_BASE: >>>> Do we need the new VHOST_GET_VRING_USED_BASE and >>>> VHOST_SET_VRING_USED_BASE ops? >>>> >>>> We are going to merge below series in DPDK: &gt...
[PATCH net-next V2 6/8] vhost: packed ring support
2018 Oct 12
0
[PATCH net-next V2 6/8] vhost: packed ring support
...otifications. > If put wrap_counter at bit 31, the check (s.num > 0xffff) > won't be able to catch the illegal index 0x8000~0xffff for > packed ring. > > > + vq->last_used_idx = s.num; > > + if (vhost_has_feature(vq, VIRTIO_F_RING_PACKED)) > > + vq->last_used_wrap_counter = wrap_counter; > > + break; > > + case VHOST_GET_VRING_USED_BASE: > > Do we need the new VHOST_GET_VRING_USED_BASE and > VHOST_SET_VRING_USED_BASE ops? > > We are going to merge below series in DPDK: > > http://patches.dpdk.org/patch/45874/ > > We may...
[PATCH net-next V2 6/8] vhost: packed ring support
2018 Oct 15
0
[PATCH net-next V2 6/8] vhost: packed ring support
...f for > > > packed ring. > > > > > Do we need to clarify this in the spec? Isn't this all internal vhost stuff? > > > > + vq->last_used_idx = s.num; > > > > + if (vhost_has_feature(vq, VIRTIO_F_RING_PACKED)) > > > > + vq->last_used_wrap_counter = wrap_counter; > > > > + break; > > > > + case VHOST_GET_VRING_USED_BASE: > > > Do we need the new VHOST_GET_VRING_USED_BASE and > > > VHOST_SET_VRING_USED_BASE ops? > > > > > > We are going to merge below series in DPDK: > > &g...
[PATCH net-next V2 6/8] vhost: packed ring support
2018 Jul 16
0
[PATCH net-next V2 6/8] vhost: packed ring support
...rivers/vhost/vhost.c b/drivers/vhost/vhost.c index 060a431..63b79e8 100644 --- a/drivers/vhost/vhost.c +++ b/drivers/vhost/vhost.c @@ -323,6 +323,9 @@ static void vhost_vq_reset(struct vhost_dev *dev, vhost_reset_is_le(vq); vhost_disable_cross_endian(vq); vq->busyloop_timeout = 0; + vq->last_used_wrap_counter = true; + vq->last_avail_wrap_counter = true; + vq->avail_wrap_counter = true; vq->umem = NULL; vq->iotlb = NULL; __vhost_vq_meta_reset(vq); @@ -1106,11 +1109,22 @@ static int vhost_iotlb_miss(struct vhost_virtqueue *vq, u64 iova, int access) return 0; } -static bool vq_acc...
[PATCH net-next V2 0/8] Packed virtqueue support for vhost
2018 Jul 16
3
[PATCH net-next V2 0/8] Packed virtqueue support for vhost
...; - more compact math for event idx >> - fix failure of SET_VRING_BASE when avail_wrap_counter is true >> - fix not copy avail_wrap_counter during GET_VRING_BASE >> - introduce SET_VRING_USED_BASE/GET_VRING_USED_BASE for syncing last_used_idx >> - rename used_wrap_counter to last_used_wrap_counter >> - rebase to net-next >> >> Changes from RFC V4: >> >> - fix signalled_used index recording >> - track avail index correctly >> - various minor fixes >> >> Changes from RFC V3: >> >> - Fix math on event idx checking >> - Sy...
[PATCH net-next V2 0/8] Packed virtqueue support for vhost
2018 Jul 16
3
[PATCH net-next V2 0/8] Packed virtqueue support for vhost
...; - more compact math for event idx >> - fix failure of SET_VRING_BASE when avail_wrap_counter is true >> - fix not copy avail_wrap_counter during GET_VRING_BASE >> - introduce SET_VRING_USED_BASE/GET_VRING_USED_BASE for syncing last_used_idx >> - rename used_wrap_counter to last_used_wrap_counter >> - rebase to net-next >> >> Changes from RFC V4: >> >> - fix signalled_used index recording >> - track avail index correctly >> - various minor fixes >> >> Changes from RFC V3: >> >> - Fix math on event idx checking >> - Sy...
[PATCH net-next V2 0/8] Packed virtqueue support for vhost
2018 Jul 16
11
[PATCH net-next V2 0/8] Packed virtqueue support for vhost
...iers during vhost_add_used_packed_n() - more compact math for event idx - fix failure of SET_VRING_BASE when avail_wrap_counter is true - fix not copy avail_wrap_counter during GET_VRING_BASE - introduce SET_VRING_USED_BASE/GET_VRING_USED_BASE for syncing last_used_idx - rename used_wrap_counter to last_used_wrap_counter - rebase to net-next Changes from RFC V4: - fix signalled_used index recording - track avail index correctly - various minor fixes Changes from RFC V3: - Fix math on event idx checking - Sync last avail wrap counter through GET/SET_VRING_BASE - remove desc_event prefix in the driver/device st...
[PATCH net-next V2 0/8] Packed virtqueue support for vhost
2018 Jul 16
11
[PATCH net-next V2 0/8] Packed virtqueue support for vhost
...iers during vhost_add_used_packed_n() - more compact math for event idx - fix failure of SET_VRING_BASE when avail_wrap_counter is true - fix not copy avail_wrap_counter during GET_VRING_BASE - introduce SET_VRING_USED_BASE/GET_VRING_USED_BASE for syncing last_used_idx - rename used_wrap_counter to last_used_wrap_counter - rebase to net-next Changes from RFC V4: - fix signalled_used index recording - track avail index correctly - various minor fixes Changes from RFC V3: - Fix math on event idx checking - Sync last avail wrap counter through GET/SET_VRING_BASE - remove desc_event prefix in the driver/device st...
[PATCH net-next V2 0/8] Packed virtqueue support for vhost
2018 Jul 16
0
[PATCH net-next V2 0/8] Packed virtqueue support for vhost
...d_packed_n() > - more compact math for event idx > - fix failure of SET_VRING_BASE when avail_wrap_counter is true > - fix not copy avail_wrap_counter during GET_VRING_BASE > - introduce SET_VRING_USED_BASE/GET_VRING_USED_BASE for syncing last_used_idx > - rename used_wrap_counter to last_used_wrap_counter > - rebase to net-next > > Changes from RFC V4: > > - fix signalled_used index recording > - track avail index correctly > - various minor fixes > > Changes from RFC V3: > > - Fix math on event idx checking > - Sync last avail wrap counter through GET/SET_V...
[PATCH V3 00/15] Packed virtqueue support for vhost
2019 Jul 17
0
[PATCH V3 00/15] Packed virtqueue support for vhost
...d_n() > - more compact math for event idx > - fix failure of SET_VRING_BASE when avail_wrap_counter is true > - fix not copy avail_wrap_counter during GET_VRING_BASE > - introduce SET_VRING_USED_BASE/GET_VRING_USED_BASE for syncing > - last_used_idx > - rename used_wrap_counter to last_used_wrap_counter > - rebase to net-next > > Changes from RFC V4: > - fix signalled_used index recording > - track avail index correctly > - various minor fixes > > Changes from RFC V3: > - Fix math on event idx checking > - Sync last avail wrap counter through GET/SET_VRING_BASE &g...
[PATCH net-next 0/8] Packed virtqueue for vhost
2018 Jul 03
12
[PATCH net-next 0/8] Packed virtqueue for vhost
...iers during vhost_add_used_packed_n() - more compact math for event idx - fix failure of SET_VRING_BASE when avail_wrap_counter is true - fix not copy avail_wrap_counter during GET_VRING_BASE - introduce SET_VRING_USED_BASE/GET_VRING_USED_BASE for syncing last_used_idx - rename used_wrap_counter to last_used_wrap_counter - rebase to net-next Changes from RFC V4: - fix signalled_used index recording - track avail index correctly - various minor fixes Changes from RFC V3: - Fix math on event idx checking - Sync last avail wrap counter through GET/SET_VRING_BASE - remove desc_event prefix in the driver/device st...
[PATCH net-next 0/8] Packed virtqueue for vhost
2018 Jul 03
12
[PATCH net-next 0/8] Packed virtqueue for vhost
...iers during vhost_add_used_packed_n() - more compact math for event idx - fix failure of SET_VRING_BASE when avail_wrap_counter is true - fix not copy avail_wrap_counter during GET_VRING_BASE - introduce SET_VRING_USED_BASE/GET_VRING_USED_BASE for syncing last_used_idx - rename used_wrap_counter to last_used_wrap_counter - rebase to net-next Changes from RFC V4: - fix signalled_used index recording - track avail index correctly - various minor fixes Changes from RFC V3: - Fix math on event idx checking - Sync last avail wrap counter through GET/SET_VRING_BASE - remove desc_event prefix in the driver/device st...
[PATCH net-next V2 0/8] Packed virtqueue support for vhost
2018 Jul 16
0
[PATCH net-next V2 0/8] Packed virtqueue support for vhost
...r event idx > > > - fix failure of SET_VRING_BASE when avail_wrap_counter is true > > > - fix not copy avail_wrap_counter during GET_VRING_BASE > > > - introduce SET_VRING_USED_BASE/GET_VRING_USED_BASE for syncing last_used_idx > > > - rename used_wrap_counter to last_used_wrap_counter > > > - rebase to net-next > > > > > > Changes from RFC V4: > > > > > > - fix signalled_used index recording > > > - track avail index correctly > > > - various minor fixes > > > > > > Changes from RFC V3: > &g...
[PATCH V3 00/15] Packed virtqueue support for vhost
2019 Jul 17
17
[PATCH V3 00/15] Packed virtqueue support for vhost
...rs during vhost_add_used_packed_n() - more compact math for event idx - fix failure of SET_VRING_BASE when avail_wrap_counter is true - fix not copy avail_wrap_counter during GET_VRING_BASE - introduce SET_VRING_USED_BASE/GET_VRING_USED_BASE for syncing - last_used_idx - rename used_wrap_counter to last_used_wrap_counter - rebase to net-next Changes from RFC V4: - fix signalled_used index recording - track avail index correctly - various minor fixes Changes from RFC V3: - Fix math on event idx checking - Sync last avail wrap counter through GET/SET_VRING_BASE - remove desc_event prefix in the driver/device stru...
[PATCH V3 00/15] Packed virtqueue support for vhost
2019 Jul 17
17
[PATCH V3 00/15] Packed virtqueue support for vhost
...rs during vhost_add_used_packed_n() - more compact math for event idx - fix failure of SET_VRING_BASE when avail_wrap_counter is true - fix not copy avail_wrap_counter during GET_VRING_BASE - introduce SET_VRING_USED_BASE/GET_VRING_USED_BASE for syncing - last_used_idx - rename used_wrap_counter to last_used_wrap_counter - rebase to net-next Changes from RFC V4: - fix signalled_used index recording - track avail index correctly - various minor fixes Changes from RFC V3: - Fix math on event idx checking - Sync last avail wrap counter through GET/SET_VRING_BASE - remove desc_event prefix in the driver/device stru...
[PATCH net-next V2 0/8] Packed virtqueue support for vhost
2018 Jul 17
1
[PATCH net-next V2 0/8] Packed virtqueue support for vhost
...idx >>>> - fix failure of SET_VRING_BASE when avail_wrap_counter is true >>>> - fix not copy avail_wrap_counter during GET_VRING_BASE >>>> - introduce SET_VRING_USED_BASE/GET_VRING_USED_BASE for syncing last_used_idx >>>> - rename used_wrap_counter to last_used_wrap_counter >>>> - rebase to net-next >>>> >>>> Changes from RFC V4: >>>> >>>> - fix signalled_used index recording >>>> - track avail index correctly >>>> - various minor fixes >>>> >>>> Changes from...