From: Gerd Hoffmann <kraxel@redhat.com>
Date: Thu, 25 Jun 2015 14:37:41 +0000 (+0200)
Subject: virtio: add version 1.0 support to vp_{get,set}_status
X-Git-Tag: rel-1.9.0~127
X-Git-Url: http://xenbits.xensource.com/gitweb?a=commitdiff_plain;h=6ee9776affe222daa7c0ba4af337963488e5f58c;p=seabios.git

virtio: add version 1.0 support to vp_{get,set}_status

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
---

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)
 {