From 182bca4592a8a6a57cdbd6889683cced78e85a03 Mon Sep 17 00:00:00 2001 From: Alex Williamson Date: Thu, 26 May 2016 09:43:21 -0600 Subject: [PATCH] vfio/pci: Consolidate VGA setup Combine VGA discovery and registration. Quirks can have dependencies on BARs, so the quirks push out until after we've scanned the BARs. Signed-off-by: Alex Williamson Reviewed-by: Gerd Hoffmann Tested-by: Gerd Hoffmann --- hw/vfio/pci.c | 49 ++++++++++++++++++++++++++----------------------- 1 file changed, 26 insertions(+), 23 deletions(-) diff --git a/hw/vfio/pci.c b/hw/vfio/pci.c index dfce31378ae..daf10b8dd3b 100644 --- a/hw/vfio/pci.c +++ b/hw/vfio/pci.c @@ -1452,29 +1452,6 @@ static void vfio_bars_setup(VFIOPCIDevice *vdev) for (i = 0; i < PCI_ROM_SLOT; i++) { vfio_bar_setup(vdev, i); } - - if (vdev->vga) { - memory_region_init_io(&vdev->vga->region[QEMU_PCI_VGA_MEM].mem, - OBJECT(vdev), &vfio_vga_ops, - &vdev->vga->region[QEMU_PCI_VGA_MEM], - "vfio-vga-mmio@0xa0000", - QEMU_PCI_VGA_MEM_SIZE); - memory_region_init_io(&vdev->vga->region[QEMU_PCI_VGA_IO_LO].mem, - OBJECT(vdev), &vfio_vga_ops, - &vdev->vga->region[QEMU_PCI_VGA_IO_LO], - "vfio-vga-io@0x3b0", - QEMU_PCI_VGA_IO_LO_SIZE); - memory_region_init_io(&vdev->vga->region[QEMU_PCI_VGA_IO_HI].mem, - OBJECT(vdev), &vfio_vga_ops, - &vdev->vga->region[QEMU_PCI_VGA_IO_HI], - "vfio-vga-io@0x3c0", - QEMU_PCI_VGA_IO_HI_SIZE); - - pci_register_vga(&vdev->pdev, &vdev->vga->region[QEMU_PCI_VGA_MEM].mem, - &vdev->vga->region[QEMU_PCI_VGA_IO_LO].mem, - &vdev->vga->region[QEMU_PCI_VGA_IO_HI].mem); - vfio_vga_quirk_setup(vdev); - } } static void vfio_bars_exit(VFIOPCIDevice *vdev) @@ -2087,14 +2064,36 @@ int vfio_populate_vga(VFIOPCIDevice *vdev) vdev->vga->region[QEMU_PCI_VGA_MEM].nr = QEMU_PCI_VGA_MEM; QLIST_INIT(&vdev->vga->region[QEMU_PCI_VGA_MEM].quirks); + memory_region_init_io(&vdev->vga->region[QEMU_PCI_VGA_MEM].mem, + OBJECT(vdev), &vfio_vga_ops, + &vdev->vga->region[QEMU_PCI_VGA_MEM], + "vfio-vga-mmio@0xa0000", + QEMU_PCI_VGA_MEM_SIZE); + vdev->vga->region[QEMU_PCI_VGA_IO_LO].offset = QEMU_PCI_VGA_IO_LO_BASE; vdev->vga->region[QEMU_PCI_VGA_IO_LO].nr = QEMU_PCI_VGA_IO_LO; QLIST_INIT(&vdev->vga->region[QEMU_PCI_VGA_IO_LO].quirks); + memory_region_init_io(&vdev->vga->region[QEMU_PCI_VGA_IO_LO].mem, + OBJECT(vdev), &vfio_vga_ops, + &vdev->vga->region[QEMU_PCI_VGA_IO_LO], + "vfio-vga-io@0x3b0", + QEMU_PCI_VGA_IO_LO_SIZE); + vdev->vga->region[QEMU_PCI_VGA_IO_HI].offset = QEMU_PCI_VGA_IO_HI_BASE; vdev->vga->region[QEMU_PCI_VGA_IO_HI].nr = QEMU_PCI_VGA_IO_HI; QLIST_INIT(&vdev->vga->region[QEMU_PCI_VGA_IO_HI].quirks); + memory_region_init_io(&vdev->vga->region[QEMU_PCI_VGA_IO_HI].mem, + OBJECT(vdev), &vfio_vga_ops, + &vdev->vga->region[QEMU_PCI_VGA_IO_HI], + "vfio-vga-io@0x3c0", + QEMU_PCI_VGA_IO_HI_SIZE); + + pci_register_vga(&vdev->pdev, &vdev->vga->region[QEMU_PCI_VGA_MEM].mem, + &vdev->vga->region[QEMU_PCI_VGA_IO_LO].mem, + &vdev->vga->region[QEMU_PCI_VGA_IO_HI].mem); + return 0; } @@ -2557,6 +2556,10 @@ static int vfio_initfn(PCIDevice *pdev) goto out_teardown; } + if (vdev->vga) { + vfio_vga_quirk_setup(vdev); + } + /* QEMU emulates all of MSI & MSIX */ if (pdev->cap_present & QEMU_PCI_CAP_MSIX) { memset(vdev->emulated_config_bits + pdev->msix_cap, 0xff,