diff options
Diffstat (limited to 'hw/vfio/pci.c')
| -rw-r--r-- | hw/vfio/pci.c | 29 |
1 files changed, 24 insertions, 5 deletions
diff --git a/hw/vfio/pci.c b/hw/vfio/pci.c index e72d514..4fa692c 100644 --- a/hw/vfio/pci.c +++ b/hw/vfio/pci.c @@ -49,8 +49,6 @@ #include "vfio-migration-internal.h" #include "vfio-helpers.h" -#define TYPE_VFIO_PCI_NOHOTPLUG "vfio-pci-nohotplug" - /* Protected by BQL */ static KVMRouteChange vfio_route_change; @@ -2826,6 +2824,20 @@ static int vfio_pci_load_config(VFIODevice *vbasedev, QEMUFile *f) return ret; } +void vfio_sub_page_bar_update_mappings(VFIOPCIDevice *vdev) +{ + PCIDevice *pdev = &vdev->pdev; + int page_size = qemu_real_host_page_size(); + int bar; + + for (bar = 0; bar < PCI_ROM_SLOT; bar++) { + PCIIORegion *r = &pdev->io_regions[bar]; + if (r->addr != PCI_BAR_UNMAPPED && r->size > 0 && r->size < page_size) { + vfio_sub_page_bar_update_mapping(pdev, bar); + } + } +} + static VFIODeviceOps vfio_pci_ops = { .vfio_compute_needs_reset = vfio_pci_compute_needs_reset, .vfio_hot_reset_multi = vfio_pci_hot_reset_multi, @@ -3150,6 +3162,15 @@ static void vfio_unregister_req_notifier(VFIOPCIDevice *vdev) vdev->req_enabled = false; } +void vfio_pci_config_register_vga(VFIOPCIDevice *vdev) +{ + assert(vdev->vga != NULL); + + 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); +} + bool vfio_pci_config_setup(VFIOPCIDevice *vdev, Error **errp) { PCIDevice *pdev = &vdev->pdev; @@ -3271,9 +3292,7 @@ bool vfio_pci_config_setup(VFIOPCIDevice *vdev, Error **errp) vfio_bars_register(vdev); if (vdev->vga && vfio_is_vga(vdev)) { - 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_pci_config_register_vga(vdev); } return true; |