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| author | Xuan Zhuo <xuanzhuo@linux.alibaba.com> | 2022-08-01 09:38:53 +0300 |
|---|---|---|
| committer | Michael S. Tsirkin <mst@redhat.com> | 2022-08-11 11:06:40 +0300 |
| commit | a10fba0377145fccefea4dc4dd5915b7ed87e546 (patch) | |
| tree | 48a1f002f49c3aeb9b5ca59a78d189df8205dab7 /drivers/virtio/virtio_pci_modern.c | |
| parent | 04ca0b0b16f11faf74fa92468dab51b8372586cd (diff) | |
| download | linux-a10fba0377145fccefea4dc4dd5915b7ed87e546.tar.xz | |
virtio: find_vqs() add arg sizes
find_vqs() adds a new parameter sizes to specify the size of each vq
vring.
NULL as sizes means that all queues in find_vqs() use the maximum size.
A value in the array is 0, which means that the corresponding queue uses
the maximum size.
In the split scenario, the meaning of size is the largest size, because
it may be limited by memory, the virtio core will try a smaller size.
And the size is power of 2.
Signed-off-by: Xuan Zhuo <xuanzhuo@linux.alibaba.com>
Acked-by: Hans de Goede <hdegoede@redhat.com>
Reviewed-by: Mathieu Poirier <mathieu.poirier@linaro.org>
Acked-by: Jason Wang <jasowang@redhat.com>
Message-Id: <20220801063902.129329-34-xuanzhuo@linux.alibaba.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Diffstat (limited to 'drivers/virtio/virtio_pci_modern.c')
| -rw-r--r-- | drivers/virtio/virtio_pci_modern.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/drivers/virtio/virtio_pci_modern.c b/drivers/virtio/virtio_pci_modern.c index c3b9f2761849..be51ec849252 100644 --- a/drivers/virtio/virtio_pci_modern.c +++ b/drivers/virtio/virtio_pci_modern.c @@ -347,12 +347,15 @@ err: static int vp_modern_find_vqs(struct virtio_device *vdev, unsigned int nvqs, struct virtqueue *vqs[], vq_callback_t *callbacks[], - const char * const names[], const bool *ctx, + const char * const names[], + u32 sizes[], + const bool *ctx, struct irq_affinity *desc) { struct virtio_pci_device *vp_dev = to_vp_device(vdev); struct virtqueue *vq; - int rc = vp_find_vqs(vdev, nvqs, vqs, callbacks, names, ctx, desc); + int rc = vp_find_vqs(vdev, nvqs, vqs, callbacks, names, sizes, ctx, + desc); if (rc) return rc; |