diff mbox series

[RFC,21/27] vhost: add VDUSE callback for IRQ injection

Message ID 20230331154259.1447831-22-maxime.coquelin@redhat.com (mailing list archive)
State Superseded, archived
Delegated to: Maxime Coquelin
Headers
Series Add VDUSE support to Vhost library |

Commit Message

Maxime Coquelin March 31, 2023, 3:42 p.m. UTC 
  This patch implements the VDUSE callback for kicking
virtqueues.

Signed-off-by: Maxime Coquelin <maxime.coquelin@redhat.com>
---
 lib/vhost/vduse.c | 7 +++++++
 1 file changed, 7 insertions(+)

Comments

Chenbo Xia May 9, 2023, 5:33 a.m. UTC | #1 
> -----Original Message-----
> From: Maxime Coquelin <maxime.coquelin@redhat.com>
> Sent: Friday, March 31, 2023 11:43 PM
> To: dev@dpdk.org; david.marchand@redhat.com; Xia, Chenbo
> <chenbo.xia@intel.com>; mkp@redhat.com; fbl@redhat.com;
> jasowang@redhat.com; Liang, Cunming <cunming.liang@intel.com>; Xie, Yongji
> <xieyongji@bytedance.com>; echaudro@redhat.com; eperezma@redhat.com;
> amorenoz@redhat.com
> Cc: Maxime Coquelin <maxime.coquelin@redhat.com>
> Subject: [RFC 21/27] vhost: add VDUSE callback for IRQ injection
> 
> This patch implements the VDUSE callback for kicking
> virtqueues.
> 
> Signed-off-by: Maxime Coquelin <maxime.coquelin@redhat.com>
> ---
>  lib/vhost/vduse.c | 7 +++++++
>  1 file changed, 7 insertions(+)
> 
> diff --git a/lib/vhost/vduse.c b/lib/vhost/vduse.c
> index ff4c9e72f1..afa8a39498 100644
> --- a/lib/vhost/vduse.c
> +++ b/lib/vhost/vduse.c
> @@ -32,6 +32,12 @@
>  				(1ULL << VIRTIO_F_IN_ORDER) | \
>  				(1ULL << VIRTIO_F_IOMMU_PLATFORM))
> 
> +static int
> +vduse_inject_irq(struct virtio_net *dev, struct vhost_virtqueue *vq)
> +{
> +	return ioctl(dev->vduse_dev_fd, VDUSE_VQ_INJECT_IRQ, &vq->index);
> +}
> +
>  static void
>  vduse_iotlb_remove_notify(uint64_t addr, uint64_t offset, uint64_t size)
>  {
> @@ -96,6 +102,7 @@ vduse_iotlb_miss(struct virtio_net *dev, uint64_t iova,
> uint8_t perm __rte_unuse
>  static struct vhost_backend_ops vduse_backend_ops = {
>  	.iotlb_miss = vduse_iotlb_miss,
>  	.iotlb_remove_notify = vduse_iotlb_remove_notify,
> +	.inject_irq = vduse_inject_irq,
>  };
> 
>  int
> --
> 2.39.2

Reviewed-by: Chenbo Xia <chenbo.xia@intel.com>
diff mbox series

Patch

diff --git a/lib/vhost/vduse.c b/lib/vhost/vduse.c
index ff4c9e72f1..afa8a39498 100644
--- a/lib/vhost/vduse.c
+++ b/lib/vhost/vduse.c
@@ -32,6 +32,12 @@ 
 				(1ULL << VIRTIO_F_IN_ORDER) | \
 				(1ULL << VIRTIO_F_IOMMU_PLATFORM))
 
+static int
+vduse_inject_irq(struct virtio_net *dev, struct vhost_virtqueue *vq)
+{
+	return ioctl(dev->vduse_dev_fd, VDUSE_VQ_INJECT_IRQ, &vq->index);
+}
+
 static void
 vduse_iotlb_remove_notify(uint64_t addr, uint64_t offset, uint64_t size)
 {
@@ -96,6 +102,7 @@  vduse_iotlb_miss(struct virtio_net *dev, uint64_t iova, uint8_t perm __rte_unuse
 static struct vhost_backend_ops vduse_backend_ops = {
 	.iotlb_miss = vduse_iotlb_miss,
 	.iotlb_remove_notify = vduse_iotlb_remove_notify,
+	.inject_irq = vduse_inject_irq,
 };
 
 int