From 6ee9776affe222daa7c0ba4af337963488e5f58c Mon Sep 17 00:00:00 2001 From: Gerd Hoffmann Date: Thu, 25 Jun 2015 16:37:41 +0200 Subject: [PATCH] virtio: add version 1.0 support to vp_{get,set}_status Signed-off-by: Gerd Hoffmann --- src/hw/virtio-pci.c | 20 ++++++++++++++++++++ src/hw/virtio-pci.h | 13 ++----------- 2 files changed, 22 insertions(+), 11 deletions(-) diff --git a/src/hw/virtio-pci.c b/src/hw/virtio-pci.c index 5ae6a76..c9c79b3 100644 --- a/src/hw/virtio-pci.c +++ b/src/hw/virtio-pci.c @@ -57,6 +57,26 @@ void vp_set_features(struct vp_device *vp, u64 features) } } +u8 vp_get_status(struct vp_device *vp) +{ + if (vp->use_modern) { + return vp_read(&vp->common, virtio_pci_common_cfg, device_status); + } else { + return vp_read(&vp->legacy, virtio_pci_legacy, status); + } +} + +void vp_set_status(struct vp_device *vp, u8 status) +{ + if (status == 0) /* reset */ + return; + if (vp->use_modern) { + vp_write(&vp->common, virtio_pci_common_cfg, device_status, status); + } else { + vp_write(&vp->legacy, virtio_pci_legacy, status, status); + } +} + int vp_find_vq(struct vp_device *vp, int queue_index, struct vring_virtqueue **p_vq) { diff --git a/src/hw/virtio-pci.h b/src/hw/virtio-pci.h index 962d6c0..e3f6f99 100644 --- a/src/hw/virtio-pci.h +++ b/src/hw/virtio-pci.h @@ -228,17 +228,8 @@ static inline void vp_get(struct vp_device *vp, unsigned offset, ptr[i] = inb(ioaddr + VIRTIO_PCI_CONFIG + offset + i); } -static inline u8 vp_get_status(struct vp_device *vp) -{ - return inb(GET_LOWFLAT(vp->ioaddr) + VIRTIO_PCI_STATUS); -} - -static inline void vp_set_status(struct vp_device *vp, u8 status) -{ - if (status == 0) /* reset */ - return; - outb(status, GET_LOWFLAT(vp->ioaddr) + VIRTIO_PCI_STATUS); -} +u8 vp_get_status(struct vp_device *vp); +void vp_set_status(struct vp_device *vp, u8 status); static inline u8 vp_get_isr(struct vp_device *vp) { -- 2.39.5