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| author | Xuan Zhuo <xuanzhuo@linux.alibaba.com> | 2022-08-01 14:38:53 +0800 |
|---|---|---|
| committer | Michael S. Tsirkin <mst@redhat.com> | 2022-08-11 04:06:40 -0400 |
| commit | a10fba0377145fccefea4dc4dd5915b7ed87e546 (patch) | |
| tree | 48a1f002f49c3aeb9b5ca59a78d189df8205dab7 /drivers/virtio | |
| parent | 04ca0b0b16f11faf74fa92468dab51b8372586cd (diff) | |
| download | linux-a10fba0377145fccefea4dc4dd5915b7ed87e546.tar.bz2 | |
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')
| -rw-r--r-- | drivers/virtio/virtio_mmio.c | 1 | ||||
| -rw-r--r-- | drivers/virtio/virtio_pci_common.c | 2 | ||||
| -rw-r--r-- | drivers/virtio/virtio_pci_common.h | 2 | ||||
| -rw-r--r-- | drivers/virtio/virtio_pci_modern.c | 7 | ||||
| -rw-r--r-- | drivers/virtio/virtio_vdpa.c | 1 |
5 files changed, 9 insertions, 4 deletions
diff --git a/drivers/virtio/virtio_mmio.c b/drivers/virtio/virtio_mmio.c index 3ff746e3f24a..dfcecfd7aba1 100644 --- a/drivers/virtio/virtio_mmio.c +++ b/drivers/virtio/virtio_mmio.c @@ -474,6 +474,7 @@ static int vm_find_vqs(struct virtio_device *vdev, unsigned int nvqs, struct virtqueue *vqs[], vq_callback_t *callbacks[], const char * const names[], + u32 sizes[], const bool *ctx, struct irq_affinity *desc) { diff --git a/drivers/virtio/virtio_pci_common.c b/drivers/virtio/virtio_pci_common.c index ad258a9d3b9f..7ad734584823 100644 --- a/drivers/virtio/virtio_pci_common.c +++ b/drivers/virtio/virtio_pci_common.c @@ -396,7 +396,7 @@ out_del_vqs: /* the config->find_vqs() implementation */ int vp_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) { int err; diff --git a/drivers/virtio/virtio_pci_common.h b/drivers/virtio/virtio_pci_common.h index 23112d84218f..a5ff838b85a5 100644 --- a/drivers/virtio/virtio_pci_common.h +++ b/drivers/virtio/virtio_pci_common.h @@ -110,7 +110,7 @@ void vp_del_vqs(struct virtio_device *vdev); /* the config->find_vqs() implementation */ int vp_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); const char *vp_bus_name(struct virtio_device *vdev); 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; diff --git a/drivers/virtio/virtio_vdpa.c b/drivers/virtio/virtio_vdpa.c index 9670cc79371d..832d2c5b1b19 100644 --- a/drivers/virtio/virtio_vdpa.c +++ b/drivers/virtio/virtio_vdpa.c @@ -269,6 +269,7 @@ static int virtio_vdpa_find_vqs(struct virtio_device *vdev, unsigned int nvqs, struct virtqueue *vqs[], vq_callback_t *callbacks[], const char * const names[], + u32 sizes[], const bool *ctx, struct irq_affinity *desc) { |