[v4,8/8] vhost: improve vDPA blk device configure condition
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Commit Message
To support multi-queue, configure device
after call fd of all queues are set.
Signed-off-by: Andy Pei <andy.pei@intel.com>
Signed-off-by: Huang Wei <wei.huang@intel.com>
---
lib/vhost/vhost_user.c | 13 ++++++++++---
1 file changed, 10 insertions(+), 3 deletions(-)
Comments
> -----Original Message-----
> From: Pei, Andy <andy.pei@intel.com>
> Sent: Thursday, October 13, 2022 4:45 PM
> To: dev@dpdk.org
> Cc: Xia, Chenbo <chenbo.xia@intel.com>; Xu, Rosen <rosen.xu@intel.com>;
> Huang, Wei <wei.huang@intel.com>; Cao, Gang <gang.cao@intel.com>;
> maxime.coquelin@redhat.com
> Subject: [PATCH v4 8/8] vhost: improve vDPA blk device configure condition
>
> To support multi-queue, configure device
> after call fd of all queues are set.
>
> Signed-off-by: Andy Pei <andy.pei@intel.com>
> Signed-off-by: Huang Wei <wei.huang@intel.com>
> ---
> lib/vhost/vhost_user.c | 13 ++++++++++---
> 1 file changed, 10 insertions(+), 3 deletions(-)
>
> diff --git a/lib/vhost/vhost_user.c b/lib/vhost/vhost_user.c
> index 0509025..3ede83f 100644
> --- a/lib/vhost/vhost_user.c
> +++ b/lib/vhost/vhost_user.c
> @@ -2965,6 +2965,7 @@ static int is_vring_iotlb(struct virtio_net *dev,
> uint32_t vdpa_type = -1;
> uint32_t request;
> uint32_t i;
> + uint16_t blk_call_fd;
>
> dev = get_device(vid);
> if (dev == NULL)
> @@ -3191,9 +3192,15 @@ static int is_vring_iotlb(struct virtio_net *dev,
> if (!vdpa_dev)
> goto out;
>
> - if (vdpa_type == RTE_VHOST_VDPA_DEVICE_TYPE_BLK
> - && request != VHOST_USER_SET_VRING_CALL)
> - goto out;
> + if (vdpa_type == RTE_VHOST_VDPA_DEVICE_TYPE_BLK) {
> + if (request == VHOST_USER_SET_VRING_CALL) {
> + blk_call_fd = ctx.msg.payload.u64 &
> VHOST_USER_VRING_IDX_MASK;
> + if (blk_call_fd != dev->nr_vring - 1)
> + goto out;
> + } else {
> + goto out;
> + }
> + }
>
> if (!(dev->flags & VIRTIO_DEV_VDPA_CONFIGURED)) {
> if (vdpa_dev->ops->dev_conf(dev->vid))
> --
> 1.8.3.1
Reviewed-by: Chenbo Xia <chenbo.xia@intel.com>
Hi Chenbo,
Thanks for your efforts.
> -----Original Message-----
> From: Xia, Chenbo <chenbo.xia@intel.com>
> Sent: Monday, October 17, 2022 2:35 PM
> To: Pei, Andy <andy.pei@intel.com>; dev@dpdk.org
> Cc: Xu, Rosen <rosen.xu@intel.com>; Huang, Wei <wei.huang@intel.com>;
> Cao, Gang <gang.cao@intel.com>; maxime.coquelin@redhat.com
> Subject: RE: [PATCH v4 8/8] vhost: improve vDPA blk device configure
> condition
>
> > -----Original Message-----
> > From: Pei, Andy <andy.pei@intel.com>
> > Sent: Thursday, October 13, 2022 4:45 PM
> > To: dev@dpdk.org
> > Cc: Xia, Chenbo <chenbo.xia@intel.com>; Xu, Rosen
> > <rosen.xu@intel.com>; Huang, Wei <wei.huang@intel.com>; Cao, Gang
> > <gang.cao@intel.com>; maxime.coquelin@redhat.com
> > Subject: [PATCH v4 8/8] vhost: improve vDPA blk device configure
> > condition
> >
> > To support multi-queue, configure device after call fd of all queues
> > are set.
> >
> > Signed-off-by: Andy Pei <andy.pei@intel.com>
> > Signed-off-by: Huang Wei <wei.huang@intel.com>
> > ---
> > lib/vhost/vhost_user.c | 13 ++++++++++---
> > 1 file changed, 10 insertions(+), 3 deletions(-)
> >
> > diff --git a/lib/vhost/vhost_user.c b/lib/vhost/vhost_user.c index
> > 0509025..3ede83f 100644
> > --- a/lib/vhost/vhost_user.c
> > +++ b/lib/vhost/vhost_user.c
> > @@ -2965,6 +2965,7 @@ static int is_vring_iotlb(struct virtio_net *dev,
> > uint32_t vdpa_type = -1;
> > uint32_t request;
> > uint32_t i;
> > + uint16_t blk_call_fd;
> >
> > dev = get_device(vid);
> > if (dev == NULL)
> > @@ -3191,9 +3192,15 @@ static int is_vring_iotlb(struct virtio_net *dev,
> > if (!vdpa_dev)
> > goto out;
> >
> > - if (vdpa_type == RTE_VHOST_VDPA_DEVICE_TYPE_BLK
> > - && request != VHOST_USER_SET_VRING_CALL)
> > - goto out;
> > + if (vdpa_type == RTE_VHOST_VDPA_DEVICE_TYPE_BLK) {
> > + if (request == VHOST_USER_SET_VRING_CALL) {
> > + blk_call_fd = ctx.msg.payload.u64 &
> > VHOST_USER_VRING_IDX_MASK;
> > + if (blk_call_fd != dev->nr_vring - 1)
> > + goto out;
> > + } else {
> > + goto out;
> > + }
> > + }
> >
> > if (!(dev->flags & VIRTIO_DEV_VDPA_CONFIGURED)) {
> > if (vdpa_dev->ops->dev_conf(dev->vid))
> > --
> > 1.8.3.1
>
> Reviewed-by: Chenbo Xia <chenbo.xia@intel.com>
@@ -2965,6 +2965,7 @@ static int is_vring_iotlb(struct virtio_net *dev,
uint32_t vdpa_type = -1;
uint32_t request;
uint32_t i;
+ uint16_t blk_call_fd;
dev = get_device(vid);
if (dev == NULL)
@@ -3191,9 +3192,15 @@ static int is_vring_iotlb(struct virtio_net *dev,
if (!vdpa_dev)
goto out;
- if (vdpa_type == RTE_VHOST_VDPA_DEVICE_TYPE_BLK
- && request != VHOST_USER_SET_VRING_CALL)
- goto out;
+ if (vdpa_type == RTE_VHOST_VDPA_DEVICE_TYPE_BLK) {
+ if (request == VHOST_USER_SET_VRING_CALL) {
+ blk_call_fd = ctx.msg.payload.u64 & VHOST_USER_VRING_IDX_MASK;
+ if (blk_call_fd != dev->nr_vring - 1)
+ goto out;
+ } else {
+ goto out;
+ }
+ }
if (!(dev->flags & VIRTIO_DEV_VDPA_CONFIGURED)) {
if (vdpa_dev->ops->dev_conf(dev->vid))