From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:41788) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1ZAJCY-0007ZY-8i for qemu-devel@nongnu.org; Wed, 01 Jul 2015 10:41:32 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1ZAJCQ-0003g8-T7 for qemu-devel@nongnu.org; Wed, 01 Jul 2015 10:41:26 -0400 Received: from mx1.redhat.com ([209.132.183.28]:53793) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1ZAJCQ-0003fY-Ns for qemu-devel@nongnu.org; Wed, 01 Jul 2015 10:41:18 -0400 From: Gerd Hoffmann Date: Wed, 1 Jul 2015 16:40:58 +0200 Message-Id: <1435761670-19520-14-git-send-email-kraxel@redhat.com> In-Reply-To: <1435761670-19520-1-git-send-email-kraxel@redhat.com> References: <1435761670-19520-1-git-send-email-kraxel@redhat.com> Subject: [Qemu-devel] [PATCH v3 13/25] virtio: add version 1.0 support to vp_reset List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: seabios@seabios.org Cc: Gerd Hoffmann , qemu-devel@nongnu.org, "Michael S. Tsirkin" Signed-off-by: Gerd Hoffmann --- src/hw/virtio-pci.c | 11 +++++++++++ src/hw/virtio-pci.h | 9 +-------- 2 files changed, 12 insertions(+), 8 deletions(-) diff --git a/src/hw/virtio-pci.c b/src/hw/virtio-pci.c index 2f0bb40..bd51d8a 100644 --- a/src/hw/virtio-pci.c +++ b/src/hw/virtio-pci.c @@ -86,6 +86,17 @@ u8 vp_get_isr(struct vp_device *vp) } } +void vp_reset(struct vp_device *vp) +{ + if (vp->use_modern) { + vp_write(&vp->common, virtio_pci_common_cfg, device_status, 0); + vp_read(&vp->isr, virtio_pci_isr, isr); + } else { + vp_write(&vp->legacy, virtio_pci_legacy, status, 0); + vp_read(&vp->legacy, virtio_pci_legacy, isr); + } +} + 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 c891b7c..f2ae5b9 100644 --- a/src/hw/virtio-pci.h +++ b/src/hw/virtio-pci.h @@ -231,14 +231,7 @@ static inline void vp_get(struct vp_device *vp, unsigned offset, u8 vp_get_status(struct vp_device *vp); void vp_set_status(struct vp_device *vp, u8 status); u8 vp_get_isr(struct vp_device *vp); - -static inline void vp_reset(struct vp_device *vp) -{ - int ioaddr = GET_LOWFLAT(vp->ioaddr); - - outb(0, ioaddr + VIRTIO_PCI_STATUS); - (void)inb(ioaddr + VIRTIO_PCI_ISR); -} +void vp_reset(struct vp_device *vp); static inline void vp_notify(struct vp_device *vp, int queue_index) { -- 1.8.3.1