From: Jason Wang <jasowang@redhat.com> To: mst@redhat.com, jasowang@redhat.com, virtualization@lists.linux-foundation.org, linux-kernel@vger.kernel.org, kvm@vger.kernel.org Cc: netdev@vger.kernel.org, xieyongji@bytedance.com, stefanha@redhat.com Subject: [PATCH 2/2] vdpa: vp_vdpa: don't use hard-coded maximum virtqueue size Date: Mon, 5 Jul 2021 15:19:10 +0800 [thread overview] Message-ID: <20210705071910.31965-2-jasowang@redhat.com> (raw) In-Reply-To: <20210705071910.31965-1-jasowang@redhat.com> This patch switch to read virtqueue size from the capability instead of depending on the hardcoded value. This allows the per virtqueue size could be advertised. Signed-off-by: Jason Wang <jasowang@redhat.com> --- drivers/vdpa/virtio_pci/vp_vdpa.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/drivers/vdpa/virtio_pci/vp_vdpa.c b/drivers/vdpa/virtio_pci/vp_vdpa.c index 2926641fb586..198f7076e4d9 100644 --- a/drivers/vdpa/virtio_pci/vp_vdpa.c +++ b/drivers/vdpa/virtio_pci/vp_vdpa.c @@ -18,7 +18,6 @@ #include <linux/virtio_pci.h> #include <linux/virtio_pci_modern.h> -#define VP_VDPA_QUEUE_MAX 256 #define VP_VDPA_DRIVER_NAME "vp_vdpa" #define VP_VDPA_NAME_SIZE 256 @@ -197,7 +196,10 @@ static void vp_vdpa_set_status(struct vdpa_device *vdpa, u8 status) static u16 vp_vdpa_get_vq_num_max(struct vdpa_device *vdpa, u16 qid) { - return VP_VDPA_QUEUE_MAX; + struct vp_vdpa *vp_vdpa = vdpa_to_vp(vdpa); + struct virtio_pci_modern_device *mdev = &vp_vdpa->mdev; + + return vp_modern_get_queue_size(mdev, qid); } static int vp_vdpa_get_vq_state(struct vdpa_device *vdpa, u16 qid, -- 2.25.1
WARNING: multiple messages have this Message-ID (diff)
From: Jason Wang <jasowang@redhat.com> To: mst@redhat.com, jasowang@redhat.com, virtualization@lists.linux-foundation.org, linux-kernel@vger.kernel.org, kvm@vger.kernel.org Cc: netdev@vger.kernel.org, stefanha@redhat.com, xieyongji@bytedance.com Subject: [PATCH 2/2] vdpa: vp_vdpa: don't use hard-coded maximum virtqueue size Date: Mon, 5 Jul 2021 15:19:10 +0800 [thread overview] Message-ID: <20210705071910.31965-2-jasowang@redhat.com> (raw) In-Reply-To: <20210705071910.31965-1-jasowang@redhat.com> This patch switch to read virtqueue size from the capability instead of depending on the hardcoded value. This allows the per virtqueue size could be advertised. Signed-off-by: Jason Wang <jasowang@redhat.com> --- drivers/vdpa/virtio_pci/vp_vdpa.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/drivers/vdpa/virtio_pci/vp_vdpa.c b/drivers/vdpa/virtio_pci/vp_vdpa.c index 2926641fb586..198f7076e4d9 100644 --- a/drivers/vdpa/virtio_pci/vp_vdpa.c +++ b/drivers/vdpa/virtio_pci/vp_vdpa.c @@ -18,7 +18,6 @@ #include <linux/virtio_pci.h> #include <linux/virtio_pci_modern.h> -#define VP_VDPA_QUEUE_MAX 256 #define VP_VDPA_DRIVER_NAME "vp_vdpa" #define VP_VDPA_NAME_SIZE 256 @@ -197,7 +196,10 @@ static void vp_vdpa_set_status(struct vdpa_device *vdpa, u8 status) static u16 vp_vdpa_get_vq_num_max(struct vdpa_device *vdpa, u16 qid) { - return VP_VDPA_QUEUE_MAX; + struct vp_vdpa *vp_vdpa = vdpa_to_vp(vdpa); + struct virtio_pci_modern_device *mdev = &vp_vdpa->mdev; + + return vp_modern_get_queue_size(mdev, qid); } static int vp_vdpa_get_vq_state(struct vdpa_device *vdpa, u16 qid, -- 2.25.1 _______________________________________________ Virtualization mailing list Virtualization@lists.linux-foundation.org https://lists.linuxfoundation.org/mailman/listinfo/virtualization
next prev parent reply other threads:[~2021-07-05 7:19 UTC|newest] Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top 2021-07-05 7:19 [PATCH 1/2] vdpa: support per virtqueue max queue size Jason Wang 2021-07-05 7:19 ` Jason Wang 2021-07-05 7:19 ` Jason Wang [this message] 2021-07-05 7:19 ` [PATCH 2/2] vdpa: vp_vdpa: don't use hard-coded maximum virtqueue size Jason Wang 2021-07-05 7:26 ` Michael S. Tsirkin 2021-07-05 7:26 ` Michael S. Tsirkin 2021-07-05 7:29 ` Jason Wang 2021-07-05 7:29 ` Jason Wang 2021-07-05 17:59 ` Michael S. Tsirkin 2021-07-05 17:59 ` Michael S. Tsirkin 2021-07-06 2:30 ` Jason Wang 2021-07-06 2:30 ` Jason Wang 2021-07-06 13:14 ` [PATCH 1/2] vdpa: support per virtqueue max queue size Stefan Hajnoczi 2021-07-06 13:14 ` Stefan Hajnoczi 2021-07-07 4:04 ` Yongji Xie 2021-07-07 5:38 ` Jason Wang 2021-07-07 5:38 ` Jason Wang
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