From 9e3bb9b79a7131a088cfffbdcc30e747dad9d090 Mon Sep 17 00:00:00 2001 From: Jason Wang Date: Thu, 15 Apr 2021 03:31:41 -0400 Subject: virtio_pci_modern: introduce helper to map vq notify area This patch factors out the logic of vq notify area mapping. Following patches will switch to use this common helpers for both virtio_pci library and virtio-pci vDPA driver. Signed-off-by: Jason Wang Link: https://lore.kernel.org/r/20210415073147.19331-2-jasowang@redhat.com Signed-off-by: Michael S. Tsirkin Reviewed-by: Eli Cohen --- include/linux/virtio_pci_modern.h | 2 ++ 1 file changed, 2 insertions(+) (limited to 'include/linux') diff --git a/include/linux/virtio_pci_modern.h b/include/linux/virtio_pci_modern.h index f26acbeec965..1b95d39b00fc 100644 --- a/include/linux/virtio_pci_modern.h +++ b/include/linux/virtio_pci_modern.h @@ -106,6 +106,8 @@ void __iomem *vp_modern_map_capability(struct virtio_pci_modern_device *mdev, in u32 align, u32 start, u32 size, size_t *len); +void *vp_modern_map_vq_notify(struct virtio_pci_modern_device *mdev, + u16 index); int vp_modern_probe(struct virtio_pci_modern_device *mdev); void vp_modern_remove(struct virtio_pci_modern_device *mdev); #endif -- cgit v1.2.3