Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
vdpa/vp_vdpa: implement kick_vq_with_data callback
Implement the kick_vq_with_data vDPA callback.
On kick, we pass the next available data to the hardware by writing it in
the kick offset.
Signed-off-by: Yuxue Liu <yuxue.liu@jaguarmicro.com>
Message-Id: <20241203023743.1757-1-yuxue.liu@jaguarmicro.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Acked-by: Jason Wang <jasowang@redhat.com>
authored by
Yuxue Liu
and committed by
Michael S. Tsirkin
33bb2d16
302b49da
+9
+9
drivers/vdpa/virtio_pci/vp_vdpa.c
+9
drivers/vdpa/virtio_pci/vp_vdpa.c
···
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vp_iowrite16(qid, vp_vdpa->vring[qid].notify);
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}
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+
static void vp_vdpa_kick_vq_with_data(struct vdpa_device *vdpa, u32 data)
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{
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struct vp_vdpa *vp_vdpa = vdpa_to_vp(vdpa);
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u16 qid = data & 0xFFFF;
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vp_iowrite32(data, vp_vdpa->vring[qid].notify);
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}
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+
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static u32 vp_vdpa_get_generation(struct vdpa_device *vdpa)
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{
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struct virtio_pci_modern_device *mdev = vdpa_to_mdev(vdpa);
···
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.get_vq_size = vp_vdpa_get_vq_size,
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.set_vq_address = vp_vdpa_set_vq_address,
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.kick_vq = vp_vdpa_kick_vq,
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+
.kick_vq_with_data = vp_vdpa_kick_vq_with_data,
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.get_generation = vp_vdpa_get_generation,
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.get_device_id = vp_vdpa_get_device_id,
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.get_vendor_id = vp_vdpa_get_vendor_id,