Originally-by: John Johnson <john.g.john...@oracle.com>
Signed-off-by: Elena Ufimtseva <elena.ufimts...@oracle.com>
Signed-off-by: Jagannathan Raman <jag.ra...@oracle.com>
Signed-off-by: John Levon <john.le...@nutanix.com>
---
hw/vfio/device.c | 2 +-
hw/vfio/pci.c | 266 ++++++++++++++++++++++++++---------------------
hw/vfio/pci.h | 12 ++-
3 files changed, 156 insertions(+), 124 deletions(-)
diff --git a/hw/vfio/device.c b/hw/vfio/device.c
index f74b9c25ea..b9473878fc 100644
--- a/hw/vfio/device.c
+++ b/hw/vfio/device.c
@@ -361,7 +361,7 @@ bool vfio_device_hiod_realize(VFIODevice *vbasedev, Error
**errp)
VFIODevice *vfio_get_vfio_device(Object *obj)
{
if (object_dynamic_cast(obj, TYPE_VFIO_PCI)) {
- return &VFIO_PCI(obj)->vbasedev;
+ return &VFIO_PCI_BASE(obj)->vbasedev;
} else {
return NULL;
}
diff --git a/hw/vfio/pci.c b/hw/vfio/pci.c
index 81bf0dab28..090b2f2ef0 100644
--- a/hw/vfio/pci.c
+++ b/hw/vfio/pci.c
@@ -241,7 +241,7 @@ static void vfio_intx_update(VFIOPCIDevice *vdev,
PCIINTxRoute *route)
static void vfio_intx_routing_notifier(PCIDevice *pdev)
{
- VFIOPCIDevice *vdev = VFIO_PCI(pdev);
+ VFIOPCIDevice *vdev = VFIO_PCI_BASE(pdev);
PCIINTxRoute route;
if (vdev->interrupt != VFIO_INT_INTx) {
@@ -516,7 +516,7 @@ static void vfio_update_kvm_msi_virq(VFIOMSIVector *vector,
MSIMessage msg,
static int vfio_msix_vector_do_use(PCIDevice *pdev, unsigned int nr,
MSIMessage *msg, IOHandler *handler)
{
- VFIOPCIDevice *vdev = VFIO_PCI(pdev);
+ VFIOPCIDevice *vdev = VFIO_PCI_BASE(pdev);
VFIOMSIVector *vector;
int ret;
bool resizing = !!(vdev->nr_vectors < nr + 1);
@@ -621,7 +621,7 @@ static int vfio_msix_vector_use(PCIDevice *pdev,
static void vfio_msix_vector_release(PCIDevice *pdev, unsigned int nr)
{
- VFIOPCIDevice *vdev = VFIO_PCI(pdev);
+ VFIOPCIDevice *vdev = VFIO_PCI_BASE(pdev);
VFIOMSIVector *vector = &vdev->msi_vectors[nr];
trace_vfio_msix_vector_release(vdev->vbasedev.name, nr);
@@ -1169,7 +1169,7 @@ static const MemoryRegionOps vfio_vga_ops = {
*/
static void vfio_sub_page_bar_update_mapping(PCIDevice *pdev, int bar)
{
- VFIOPCIDevice *vdev = VFIO_PCI(pdev);
+ VFIOPCIDevice *vdev = VFIO_PCI_BASE(pdev);
VFIORegion *region = &vdev->bars[bar].region;
MemoryRegion *mmap_mr, *region_mr, *base_mr;
PCIIORegion *r;
@@ -1215,7 +1215,7 @@ static void vfio_sub_page_bar_update_mapping(PCIDevice
*pdev, int bar)
*/
uint32_t vfio_pci_read_config(PCIDevice *pdev, uint32_t addr, int len)
{
- VFIOPCIDevice *vdev = VFIO_PCI(pdev);
+ VFIOPCIDevice *vdev = VFIO_PCI_BASE(pdev);
uint32_t emu_bits = 0, emu_val = 0, phys_val = 0, val;
memcpy(&emu_bits, vdev->emulated_config_bits + addr, len);
@@ -1248,7 +1248,7 @@ uint32_t vfio_pci_read_config(PCIDevice *pdev, uint32_t
addr, int len)
void vfio_pci_write_config(PCIDevice *pdev,
uint32_t addr, uint32_t val, int len)
{
- VFIOPCIDevice *vdev = VFIO_PCI(pdev);
+ VFIOPCIDevice *vdev = VFIO_PCI_BASE(pdev);
uint32_t val_le = cpu_to_le32(val);
trace_vfio_pci_write_config(vdev->vbasedev.name, addr, val, len);
@@ -3091,7 +3091,7 @@ static bool vfio_interrupt_setup(VFIOPCIDevice *vdev,
Error **errp)
static void vfio_realize(PCIDevice *pdev, Error **errp)
{
ERRP_GUARD();
- VFIOPCIDevice *vdev = VFIO_PCI(pdev);
+ VFIOPCIDevice *vdev = VFIO_PCI_BASE(pdev);
VFIODevice *vbasedev = &vdev->vbasedev;
int i, ret;
char uuid[UUID_STR_LEN];
@@ -3260,7 +3260,7 @@ error:
static void vfio_instance_finalize(Object *obj)
{
- VFIOPCIDevice *vdev = VFIO_PCI(obj);
+ VFIOPCIDevice *vdev = VFIO_PCI_BASE(obj);
vfio_display_finalize(vdev);
vfio_bars_finalize(vdev);
@@ -3278,7 +3278,7 @@ static void vfio_instance_finalize(Object *obj)
static void vfio_exitfn(PCIDevice *pdev)
{
- VFIOPCIDevice *vdev = VFIO_PCI(pdev);
+ VFIOPCIDevice *vdev = VFIO_PCI_BASE(pdev);
VFIODevice *vbasedev = &vdev->vbasedev;
vfio_unregister_req_notifier(vdev);
@@ -3302,7 +3302,7 @@ static void vfio_exitfn(PCIDevice *pdev)
static void vfio_pci_reset(DeviceState *dev)
{
- VFIOPCIDevice *vdev = VFIO_PCI(dev);
+ VFIOPCIDevice *vdev = VFIO_PCI_BASE(dev);
trace_vfio_pci_reset(vdev->vbasedev.name);
@@ -3342,7 +3342,7 @@ post_reset:
static void vfio_instance_init(Object *obj)
{
PCIDevice *pci_dev = PCI_DEVICE(obj);
- VFIOPCIDevice *vdev = VFIO_PCI(obj);
+ VFIOPCIDevice *vdev = VFIO_PCI_BASE(obj);
VFIODevice *vbasedev = &vdev->vbasedev;
device_add_bootindex_property(obj, &vdev->bootindex,
@@ -3365,32 +3365,15 @@ static void vfio_instance_init(Object *obj)
static PropertyInfo vfio_pci_migration_multifd_transfer_prop;
-static const Property vfio_pci_dev_properties[] = {
- DEFINE_PROP_PCI_HOST_DEVADDR("host", VFIOPCIDevice, host),
- DEFINE_PROP_UUID_NODEFAULT("vf-token", VFIOPCIDevice, vf_token),
- DEFINE_PROP_STRING("sysfsdev", VFIOPCIDevice, vbasedev.sysfsdev),
+static const Property vfio_pci_base_dev_properties[] = {
DEFINE_PROP_ON_OFF_AUTO("x-pre-copy-dirty-page-tracking", VFIOPCIDevice,
vbasedev.pre_copy_dirty_page_tracking,
ON_OFF_AUTO_ON),
DEFINE_PROP_ON_OFF_AUTO("x-device-dirty-page-tracking", VFIOPCIDevice,
vbasedev.device_dirty_page_tracking,
ON_OFF_AUTO_ON),
- DEFINE_PROP_ON_OFF_AUTO("display", VFIOPCIDevice,
- display, ON_OFF_AUTO_OFF),
- DEFINE_PROP_UINT32("xres", VFIOPCIDevice, display_xres, 0),
- DEFINE_PROP_UINT32("yres", VFIOPCIDevice, display_yres, 0),
DEFINE_PROP_UINT32("x-intx-mmap-timeout-ms", VFIOPCIDevice,
intx.mmap_timeout, 1100),
- DEFINE_PROP_BIT("x-vga", VFIOPCIDevice, features,
- VFIO_FEATURE_ENABLE_VGA_BIT, false),
- DEFINE_PROP_BIT("x-req", VFIOPCIDevice, features,
- VFIO_FEATURE_ENABLE_REQ_BIT, true),
- DEFINE_PROP_BIT("x-igd-opregion", VFIOPCIDevice, features,
- VFIO_FEATURE_ENABLE_IGD_OPREGION_BIT, false),
- DEFINE_PROP_BIT("x-igd-lpc", VFIOPCIDevice, features,
- VFIO_FEATURE_ENABLE_IGD_LPC_BIT, false),
- DEFINE_PROP_ON_OFF_AUTO("x-igd-legacy-mode", VFIOPCIDevice,
- igd_legacy_mode, ON_OFF_AUTO_AUTO),
DEFINE_PROP_ON_OFF_AUTO("enable-migration", VFIOPCIDevice,
vbasedev.enable_migration, ON_OFF_AUTO_AUTO),
DEFINE_PROP("x-migration-multifd-transfer", VFIOPCIDevice,
@@ -3405,8 +3388,6 @@ static const Property vfio_pci_dev_properties[] = {
DEFINE_PROP_BOOL("x-no-kvm-intx", VFIOPCIDevice, no_kvm_intx, false),
DEFINE_PROP_BOOL("x-no-kvm-msi", VFIOPCIDevice, no_kvm_msi, false),
DEFINE_PROP_BOOL("x-no-kvm-msix", VFIOPCIDevice, no_kvm_msix, false),
- DEFINE_PROP_BOOL("x-no-geforce-quirks", VFIOPCIDevice,
- no_geforce_quirks, false),
DEFINE_PROP_BOOL("x-no-kvm-ioeventfd", VFIOPCIDevice, no_kvm_ioeventfd,
false),
DEFINE_PROP_BOOL("x-no-vfio-ioeventfd", VFIOPCIDevice, no_vfio_ioeventfd,
@@ -3417,61 +3398,55 @@ static const Property vfio_pci_dev_properties[] = {
sub_vendor_id, PCI_ANY_ID),
DEFINE_PROP_UINT32("x-pci-sub-device-id", VFIOPCIDevice,
sub_device_id, PCI_ANY_ID),
- DEFINE_PROP_UINT32("x-igd-gms", VFIOPCIDevice, igd_gms, 0),
- DEFINE_PROP_UNSIGNED_NODEFAULT("x-nv-gpudirect-clique", VFIOPCIDevice,
- nv_gpudirect_clique,
- qdev_prop_nv_gpudirect_clique, uint8_t),
DEFINE_PROP_OFF_AUTO_PCIBAR("x-msix-relocation", VFIOPCIDevice, msix_relo,
OFF_AUTO_PCIBAR_OFF),
-#ifdef CONFIG_IOMMUFD
- DEFINE_PROP_LINK("iommufd", VFIOPCIDevice, vbasedev.iommufd,
- TYPE_IOMMUFD_BACKEND, IOMMUFDBackend *),
-#endif
- DEFINE_PROP_BOOL("skip-vsc-check", VFIOPCIDevice, skip_vsc_check, true),
};
-#ifdef CONFIG_IOMMUFD
-static void vfio_pci_set_fd(Object *obj, const char *str, Error **errp)
-{
- vfio_device_set_fd(&VFIO_PCI(obj)->vbasedev, str, errp);
-}
-#endif
-static void vfio_pci_dev_class_init(ObjectClass *klass, void *data)
+static void vfio_pci_base_dev_class_init(ObjectClass *klass, void *data)
{
DeviceClass *dc = DEVICE_CLASS(klass);
PCIDeviceClass *pdc = PCI_DEVICE_CLASS(klass);
- device_class_set_legacy_reset(dc, vfio_pci_reset);
- device_class_set_props(dc, vfio_pci_dev_properties);
-#ifdef CONFIG_IOMMUFD
- object_class_property_add_str(klass, "fd", NULL, vfio_pci_set_fd);
-#endif
- dc->desc = "VFIO-based PCI device assignment";
+ device_class_set_props(dc, vfio_pci_base_dev_properties);
+ dc->desc = "VFIO PCI base device";
set_bit(DEVICE_CATEGORY_MISC, dc->categories);
- pdc->realize = vfio_realize;
pdc->exit = vfio_exitfn;
pdc->config_read = vfio_pci_read_config;
pdc->config_write = vfio_pci_write_config;
- object_class_property_set_description(klass, /* 1.3 */
- "host",
- "Host PCI address
[domain:]<bus:slot.function> of assigned device");
+ object_class_property_set_description(klass, /* 5.2 */
+ "x-pre-copy-dirty-page-tracking",
+ "Disable dirty pages tracking during
iterative phase "
+ "(DEBUG)");
+ object_class_property_set_description(klass, /* 9.1 */
+ "x-device-dirty-page-tracking",
+ "Disable device dirty page tracking and
use "
+ "container-based dirty page
tracking");
object_class_property_set_description(klass, /* 1.3 */
"x-intx-mmap-timeout-ms",
"When EOI is not provided by KVM/QEMU,
wait time "
"(milliseconds) to re-enable device
direct access "
"after INTx (DEBUG)");
- object_class_property_set_description(klass, /* 1.5 */
- "x-vga",
- "Expose VGA address spaces for
device");
- object_class_property_set_description(klass, /* 2.3 */
- "x-req",
- "Disable device request notification
support (DEBUG)");
+ object_class_property_set_description(klass, /* 5.2, 8.0 non-experimetal */
+ "enable-migration",
+ "Enale device migration. Also requires a
host VFIO PCI "
+ "variant or mdev driver with migration
support enabled");
+ object_class_property_set_description(klass, /* 10.0 */
+ "x-migration-multifd-transfer",
+ "Transfer this device state via "
+ "multifd channels when live migrating
it");
+ object_class_property_set_description(klass, /* 9.1 */
+ "migration-events",
+ "Emit VFIO migration QAPI event when a
VFIO device "
+ "changes its migration state. For
management applications");
object_class_property_set_description(klass, /* 2.4 and 2.5 */
"x-no-mmap",
"Disable MMAP for device. Allows to
trace MMIO "
"accesses (DEBUG)");
+ object_class_property_set_description(klass, /* 3.1 */
+ "x-balloon-allowed",
+ "Override allowing ballooning with device
(DEBUG, DANGER)");
object_class_property_set_description(klass, /* 2.5 */
"x-no-kvm-intx",
"Disable direct VFIO->KVM INTx
injection. Allows to "
@@ -3484,6 +3459,13 @@ static void vfio_pci_dev_class_init(ObjectClass *klass,
void *data)
"x-no-kvm-msix",
"Disable direct VFIO->KVM MSIx
injection. Allows to "
"trace MSIx interrupts (DEBUG)");
+ object_class_property_set_description(klass, /* 3.0 */
+ "x-no-kvm-ioeventfd",
+ "Disable registration of ioeventfds with
KVM (DEBUG)");
+ object_class_property_set_description(klass, /* 3.0 */
+ "x-no-vfio-ioeventfd",
+ "Disable linking of KVM ioeventfds to
VFIO ioeventfds "
+ "(DEBUG)");
object_class_property_set_description(klass, /* 2.5 */
"x-pci-vendor-id",
"Override PCI Vendor ID with provided
value (DEBUG)");
@@ -3498,95 +3480,136 @@ static void vfio_pci_dev_class_init(ObjectClass
*klass, void *data)
"x-pci-sub-device-id",
"Override PCI Subsystem Device ID with
provided value "
"(DEBUG)");
+ object_class_property_set_description(klass, /* 2.12 */
+ "x-msix-relocation",
+ "Specify MSI-X MMIO relocation to the end
of specified "
+ "existing BAR or new BAR to avoid
virtualization overhead "
+ "due to adjacent device registers");
+}
+
+static const TypeInfo vfio_pci_base_dev_info = {
+ .name = TYPE_VFIO_PCI_BASE,
+ .parent = TYPE_PCI_DEVICE,
+ .instance_size = 0,
+ .abstract = true,
+ .class_init = vfio_pci_base_dev_class_init,
+ .interfaces = (InterfaceInfo[]) {
+ { INTERFACE_PCIE_DEVICE },
+ { INTERFACE_CONVENTIONAL_PCI_DEVICE },
+ { }
+ },
+};
+
+static const Property vfio_pci_dev_properties[] = {
+ DEFINE_PROP_PCI_HOST_DEVADDR("host", VFIOPCIDevice, host),
+ DEFINE_PROP_UUID_NODEFAULT("vf-token", VFIOPCIDevice, vf_token),
+ DEFINE_PROP_STRING("sysfsdev", VFIOPCIDevice, vbasedev.sysfsdev),
+ DEFINE_PROP_ON_OFF_AUTO("display", VFIOPCIDevice,
+ display, ON_OFF_AUTO_OFF),
+ DEFINE_PROP_UINT32("xres", VFIOPCIDevice, display_xres, 0),
+ DEFINE_PROP_UINT32("yres", VFIOPCIDevice, display_yres, 0),
+ DEFINE_PROP_BIT("x-vga", VFIOPCIDevice, features,
+ VFIO_FEATURE_ENABLE_VGA_BIT, false),
+ DEFINE_PROP_BIT("x-req", VFIOPCIDevice, features,
+ VFIO_FEATURE_ENABLE_REQ_BIT, true),
+ DEFINE_PROP_BIT("x-igd-opregion", VFIOPCIDevice, features,
+ VFIO_FEATURE_ENABLE_IGD_OPREGION_BIT, false),
+ DEFINE_PROP_UINT32("x-igd-gms", VFIOPCIDevice, igd_gms, 0),
+ DEFINE_PROP_BIT("x-igd-lpc", VFIOPCIDevice, features,
+ VFIO_FEATURE_ENABLE_IGD_LPC_BIT, false),
+ DEFINE_PROP_ON_OFF_AUTO("x-igd-legacy-mode", VFIOPCIDevice,
+ igd_legacy_mode, ON_OFF_AUTO_AUTO),
+ DEFINE_PROP_BOOL("x-no-geforce-quirks", VFIOPCIDevice,
+ no_geforce_quirks, false),
+ DEFINE_PROP_UNSIGNED_NODEFAULT("x-nv-gpudirect-clique", VFIOPCIDevice,
+ nv_gpudirect_clique,
+ qdev_prop_nv_gpudirect_clique, uint8_t),
+#ifdef CONFIG_IOMMUFD
+ DEFINE_PROP_LINK("iommufd", VFIOPCIDevice, vbasedev.iommufd,
+ TYPE_IOMMUFD_BACKEND, IOMMUFDBackend *),
+#endif
+ DEFINE_PROP_BOOL("skip-vsc-check", VFIOPCIDevice, skip_vsc_check, true),
+};
+
+#ifdef CONFIG_IOMMUFD
+static void vfio_pci_set_fd(Object *obj, const char *str, Error **errp)
+{
+ VFIOPCIDevice *vdev = VFIO_PCI_BASE(obj);
+ vfio_device_set_fd(&vdev->vbasedev, str, errp);
+}
+#endif
+
+static void vfio_pci_dev_class_init(ObjectClass *klass, void *data)
+{
+ DeviceClass *dc = DEVICE_CLASS(klass);
+ PCIDeviceClass *pdc = PCI_DEVICE_CLASS(klass);
+
+ device_class_set_legacy_reset(dc, vfio_pci_reset);
+ device_class_set_props(dc, vfio_pci_dev_properties);
+#ifdef CONFIG_IOMMUFD
+ object_class_property_add_str(klass, "fd", NULL, vfio_pci_set_fd);
+#endif
+ dc->desc = "VFIO-based PCI device assignment";
+ pdc->realize = vfio_realize;
+
+ object_class_property_set_description(klass, /* 1.3 */
+ "host",
+ "Host PCI address
[domain:]<bus:slot.function> of assigned device");
+ object_class_property_set_description(klass, /* 8.1 */
+ "vf-token",
+ "Specify UUID VF token. Required for VF
when PF is owned "
+ "by another VFIO driver");
object_class_property_set_description(klass, /* 2.6 */
"sysfsdev",
"Host sysfs path of assigned
device");
+ object_class_property_set_description(klass, /* 2.12 */
+ "display",
+ "Enable display support for device, ex.
vGPU");
+ object_class_property_set_description(klass, /* 3.2 */
+ "xres",
+ "Set X display resolution the vGPU should
use");
+ object_class_property_set_description(klass, /* 3.2 */
+ "yres",
+ "Set Y display resolution the vGPU should
use");
+ object_class_property_set_description(klass, /* 1.5 */
+ "x-vga",
+ "Expose VGA address spaces for
device");
+ object_class_property_set_description(klass, /* 2.3 */
+ "x-req",
+ "Disable device request notification
support (DEBUG)");
object_class_property_set_description(klass, /* 2.7 */
"x-igd-opregion",
"Expose host IGD OpRegion to
guest");
object_class_property_set_description(klass, /* 2.7 (See c4c45e943e51) */
"x-igd-gms",
"Override IGD data stolen memory size
(32MiB units)");
- object_class_property_set_description(klass, /* 2.11 */
- "x-nv-gpudirect-clique",
- "Add NVIDIA GPUDirect capability
indicating P2P DMA "
- "clique for device [0-15]");
object_class_property_set_description(klass, /* 2.12 */
"x-no-geforce-quirks",
"Disable GeForce quirks (for NVIDIA
Quadro/GRID/Tesla). "
"Improves performance");
- object_class_property_set_description(klass, /* 2.12 */
- "display",
- "Enable display support for device, ex.
vGPU");
- object_class_property_set_description(klass, /* 2.12 */
- "x-msix-relocation",
- "Specify MSI-X MMIO relocation to the end
of specified "
- "existing BAR or new BAR to avoid
virtualization overhead "
- "due to adjacent device registers");
- object_class_property_set_description(klass, /* 3.0 */
- "x-no-kvm-ioeventfd",
- "Disable registration of ioeventfds with
KVM (DEBUG)");
- object_class_property_set_description(klass, /* 3.0 */
- "x-no-vfio-ioeventfd",
- "Disable linking of KVM ioeventfds to
VFIO ioeventfds "
- "(DEBUG)");
- object_class_property_set_description(klass, /* 3.1 */
- "x-balloon-allowed",
- "Override allowing ballooning with device
(DEBUG, DANGER)");
- object_class_property_set_description(klass, /* 3.2 */
- "xres",
- "Set X display resolution the vGPU should
use");
- object_class_property_set_description(klass, /* 3.2 */
- "yres",
- "Set Y display resolution the vGPU should
use");
- object_class_property_set_description(klass, /* 5.2 */
- "x-pre-copy-dirty-page-tracking",
- "Disable dirty pages tracking during
iterative phase "
- "(DEBUG)");
- object_class_property_set_description(klass, /* 5.2, 8.0 non-experimetal */
- "enable-migration",
- "Enale device migration. Also requires a
host VFIO PCI "
- "variant or mdev driver with migration
support enabled");
- object_class_property_set_description(klass, /* 8.1 */
- "vf-token",
- "Specify UUID VF token. Required for VF
when PF is owned "
- "by another VFIO driver");
+ object_class_property_set_description(klass, /* 2.11 */
+ "x-nv-gpudirect-clique",
+ "Add NVIDIA GPUDirect capability
indicating P2P DMA "
+ "clique for device [0-15]");
#ifdef CONFIG_IOMMUFD
object_class_property_set_description(klass, /* 9.0 */
"iommufd",
"Set host IOMMUFD backend device");
#endif
- object_class_property_set_description(klass, /* 9.1 */
- "x-device-dirty-page-tracking",
- "Disable device dirty page tracking and
use "
- "container-based dirty page
tracking");
- object_class_property_set_description(klass, /* 9.1 */
- "migration-events",
- "Emit VFIO migration QAPI event when a
VFIO device "
- "changes its migration state. For
management applications");
object_class_property_set_description(klass, /* 9.1 */
"skip-vsc-check",
"Skip config space check for Vendor
Specific Capability. "
"Setting to false will enforce strict
checking of VSC content "
"(DEBUG)");
- object_class_property_set_description(klass, /* 10.0 */
- "x-migration-multifd-transfer",
- "Transfer this device state via "
- "multifd channels when live migrating
it");
}
static const TypeInfo vfio_pci_dev_info = {
.name = TYPE_VFIO_PCI,
- .parent = TYPE_PCI_DEVICE,
+ .parent = TYPE_VFIO_PCI_BASE,
.instance_size = sizeof(VFIOPCIDevice),
.class_init = vfio_pci_dev_class_init,
.instance_init = vfio_instance_init,
.instance_finalize = vfio_instance_finalize,
- .interfaces = (InterfaceInfo[]) {
- { INTERFACE_PCIE_DEVICE },
- { INTERFACE_CONVENTIONAL_PCI_DEVICE },
- { }
- },
};
static const Property vfio_pci_dev_nohotplug_properties[] = {
@@ -3632,6 +3655,7 @@ static void register_vfio_pci_dev_type(void)
vfio_pci_migration_multifd_transfer_prop = qdev_prop_on_off_auto;
vfio_pci_migration_multifd_transfer_prop.realized_set_allowed = true;
+ type_register_static(&vfio_pci_base_dev_info);
type_register_static(&vfio_pci_dev_info);
type_register_static(&vfio_pci_nohotplug_dev_info);
}
diff --git a/hw/vfio/pci.h b/hw/vfio/pci.h
index cbea3be029..4000ba804c 100644
--- a/hw/vfio/pci.h
+++ b/hw/vfio/pci.h
@@ -118,8 +118,13 @@ typedef struct VFIOMSIXInfo {
bool noresize;
} VFIOMSIXInfo;
-#define TYPE_VFIO_PCI "vfio-pci"
-OBJECT_DECLARE_SIMPLE_TYPE(VFIOPCIDevice, VFIO_PCI)
+/*
+ * TYPE_VFIO_PCI_BASE is an abstract type used to share code
+ * between VFIO implementations that use a kernel driver
+ * with those that use user sockets.
+ */
+#define TYPE_VFIO_PCI_BASE "vfio-pci-base"
+OBJECT_DECLARE_SIMPLE_TYPE(VFIOPCIDevice, VFIO_PCI_BASE)
struct VFIOPCIDevice {
PCIDevice pdev;
@@ -187,6 +192,9 @@ struct VFIOPCIDevice {
Notifier irqchip_change_notifier;
};
+#define TYPE_VFIO_PCI "vfio-pci"
+/* TYPE_VFIO_PCI shares struct VFIOPCIDevice. */
+
/* Use uin32_t for vendor & device so PCI_ANY_ID expands and cannot match hw
*/
static inline bool vfio_pci_is(VFIOPCIDevice *vdev, uint32_t vendor, uint32_t
device)
{
