[PATCH V3 05/19] virtio-pci-modern: introduce helper to set config vector
From: Jason Wang <hidden>
Date: 2021-01-04 06:57:19
Also in:
lkml
Subsystem:
the rest, virtio core · Maintainers:
Linus Torvalds, "Michael S. Tsirkin", Jason Wang, Eugenio Pérez
This patch introduces vp_modern_config_vector() for setting config vector. Signed-off-by: Jason Wang <redacted> --- drivers/virtio/virtio_pci_modern.c | 16 ++++++++++++++-- 1 file changed, 14 insertions(+), 2 deletions(-)
diff --git a/drivers/virtio/virtio_pci_modern.c b/drivers/virtio/virtio_pci_modern.c
index 4be9afad547e..2e37bfc89655 100644
--- a/drivers/virtio/virtio_pci_modern.c
+++ b/drivers/virtio/virtio_pci_modern.c@@ -315,9 +315,16 @@ static void vp_reset(struct virtio_device *vdev) vp_synchronize_vectors(vdev); } -static u16 vp_config_vector(struct virtio_pci_device *vp_dev, u16 vector) +/* + * vp_modern_config_vector - set the vector for config interrupt + * @mdev: the modern virtio-pci device + * @vector: the config vector + * + * Returns the config vector read from the device + */ +static u16 vp_modern_config_vector(struct virtio_pci_modern_device *mdev, + u16 vector) { - struct virtio_pci_modern_device *mdev = &vp_dev->mdev; struct virtio_pci_common_cfg __iomem *cfg = mdev->common; /* Setup the vector used for configuration events */
@@ -327,6 +334,11 @@ static u16 vp_config_vector(struct virtio_pci_device *vp_dev, u16 vector) return vp_ioread16(&cfg->msix_config); } +static u16 vp_config_vector(struct virtio_pci_device *vp_dev, u16 vector) +{ + return vp_modern_config_vector(&vp_dev->mdev, vector); +} + static struct virtqueue *setup_vq(struct virtio_pci_device *vp_dev, struct virtio_pci_vq_info *info, unsigned index,
--
2.25.1
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