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-rw-r--r--hw/core/machine.c2
-rw-r--r--hw/display/ramfb-standalone.c5
-rw-r--r--hw/display/ramfb-stubs.c2
-rw-r--r--hw/display/ramfb.c6
-rw-r--r--hw/i386/microvm.c3
-rw-r--r--hw/i386/pc_piix.c10
-rw-r--r--hw/i386/pc_q35.c3
-rw-r--r--hw/vfio/display.c4
-rw-r--r--hw/vfio/pci.c2
-rw-r--r--hw/vfio/pci.h11
-rw-r--r--hw/vfio/types.h21
-rw-r--r--include/hw/display/ramfb.h2
12 files changed, 55 insertions, 16 deletions
diff --git a/hw/core/machine.c b/hw/core/machine.c
index 8063271..d6b2240 100644
--- a/hw/core/machine.c
+++ b/hw/core/machine.c
@@ -40,6 +40,8 @@
GlobalProperty hw_compat_10_0[] = {
{ "scsi-hd", "dpofua", "off" },
{ "vfio-pci", "x-migration-load-config-after-iter", "off" },
+ { "ramfb", "use-legacy-x86-rom", "true"},
+ { "vfio-pci", "use-legacy-x86-rom", "true" },
};
const size_t hw_compat_10_0_len = G_N_ELEMENTS(hw_compat_10_0);
diff --git a/hw/display/ramfb-standalone.c b/hw/display/ramfb-standalone.c
index 08f2d5d..72b2071 100644
--- a/hw/display/ramfb-standalone.c
+++ b/hw/display/ramfb-standalone.c
@@ -17,6 +17,7 @@ struct RAMFBStandaloneState {
QemuConsole *con;
RAMFBState *state;
bool migrate;
+ bool use_legacy_x86_rom;
};
static void display_update_wrapper(void *dev)
@@ -39,7 +40,7 @@ static void ramfb_realizefn(DeviceState *dev, Error **errp)
RAMFBStandaloneState *ramfb = RAMFB(dev);
ramfb->con = graphic_console_init(dev, 0, &wrapper_ops, dev);
- ramfb->state = ramfb_setup(errp);
+ ramfb->state = ramfb_setup(ramfb->use_legacy_x86_rom, errp);
}
static bool migrate_needed(void *opaque)
@@ -62,6 +63,8 @@ static const VMStateDescription ramfb_dev_vmstate = {
static const Property ramfb_properties[] = {
DEFINE_PROP_BOOL("x-migrate", RAMFBStandaloneState, migrate, true),
+ DEFINE_PROP_BOOL("use-legacy-x86-rom", RAMFBStandaloneState,
+ use_legacy_x86_rom, false),
};
static void ramfb_class_initfn(ObjectClass *klass, const void *data)
diff --git a/hw/display/ramfb-stubs.c b/hw/display/ramfb-stubs.c
index cf64733..b835513 100644
--- a/hw/display/ramfb-stubs.c
+++ b/hw/display/ramfb-stubs.c
@@ -8,7 +8,7 @@ void ramfb_display_update(QemuConsole *con, RAMFBState *s)
{
}
-RAMFBState *ramfb_setup(Error **errp)
+RAMFBState *ramfb_setup(bool romfile, Error **errp)
{
error_setg(errp, "ramfb support not available");
return NULL;
diff --git a/hw/display/ramfb.c b/hw/display/ramfb.c
index 8c0f907..9a17d97 100644
--- a/hw/display/ramfb.c
+++ b/hw/display/ramfb.c
@@ -135,7 +135,7 @@ const VMStateDescription ramfb_vmstate = {
}
};
-RAMFBState *ramfb_setup(Error **errp)
+RAMFBState *ramfb_setup(bool romfile, Error **errp)
{
FWCfgState *fw_cfg = fw_cfg_find();
RAMFBState *s;
@@ -147,7 +147,9 @@ RAMFBState *ramfb_setup(Error **errp)
s = g_new0(RAMFBState, 1);
- rom_add_vga("vgabios-ramfb.bin");
+ if (romfile) {
+ rom_add_vga("vgabios-ramfb.bin");
+ }
fw_cfg_add_file_callback(fw_cfg, "etc/ramfb",
NULL, ramfb_fw_cfg_write, s,
&s->cfg, sizeof(s->cfg), false);
diff --git a/hw/i386/microvm.c b/hw/i386/microvm.c
index e0daf0d..d90b69a 100644
--- a/hw/i386/microvm.c
+++ b/hw/i386/microvm.c
@@ -49,6 +49,7 @@
#include "hw/acpi/generic_event_device.h"
#include "hw/pci-host/gpex.h"
#include "hw/usb/xhci.h"
+#include "hw/vfio/types.h"
#include "elf.h"
#include "kvm/kvm_i386.h"
@@ -633,6 +634,8 @@ GlobalProperty microvm_properties[] = {
* so reserving io space is not going to work. Turn it off.
*/
{ "pcie-root-port", "io-reserve", "0" },
+ { TYPE_RAMFB_DEVICE, "use-legacy-x86-rom", "true" },
+ { TYPE_VFIO_PCI, "use-legacy-x86-rom", "true" },
};
static void microvm_class_init(ObjectClass *oc, const void *data)
diff --git a/hw/i386/pc_piix.c b/hw/i386/pc_piix.c
index a3285fb..ad5caff 100644
--- a/hw/i386/pc_piix.c
+++ b/hw/i386/pc_piix.c
@@ -49,6 +49,7 @@
#include "hw/i2c/smbus_eeprom.h"
#include "system/memory.h"
#include "hw/acpi/acpi.h"
+#include "hw/vfio/types.h"
#include "qapi/error.h"
#include "qemu/error-report.h"
#include "system/xen.h"
@@ -77,6 +78,13 @@ static const int ide_iobase2[MAX_IDE_BUS] = { 0x3f6, 0x376 };
static const int ide_irq[MAX_IDE_BUS] = { 14, 15 };
#endif
+static GlobalProperty pc_piix_compat_defaults[] = {
+ { TYPE_RAMFB_DEVICE, "use-legacy-x86-rom", "true" },
+ { TYPE_VFIO_PCI, "use-legacy-x86-rom", "true" },
+};
+static const size_t pc_piix_compat_defaults_len =
+ G_N_ELEMENTS(pc_piix_compat_defaults);
+
/*
* Return the global irq number corresponding to a given device irq
* pin. We could also use the bus number to have a more precise mapping.
@@ -492,6 +500,8 @@ static void pc_i440fx_machine_options(MachineClass *m)
pc_set_south_bridge);
object_class_property_set_description(oc, "x-south-bridge",
"Use a different south bridge than PIIX3");
+ compat_props_add(m->compat_props,
+ pc_piix_compat_defaults, pc_piix_compat_defaults_len);
}
static void pc_i440fx_machine_10_1_options(MachineClass *m)
diff --git a/hw/i386/pc_q35.c b/hw/i386/pc_q35.c
index cf871cf..9b9519f 100644
--- a/hw/i386/pc_q35.c
+++ b/hw/i386/pc_q35.c
@@ -45,6 +45,7 @@
#include "hw/i386/pc.h"
#include "hw/i386/amd_iommu.h"
#include "hw/i386/intel_iommu.h"
+#include "hw/vfio/types.h"
#include "hw/virtio/virtio-iommu.h"
#include "hw/display/ramfb.h"
#include "hw/ide/pci.h"
@@ -67,6 +68,8 @@
static GlobalProperty pc_q35_compat_defaults[] = {
{ TYPE_VIRTIO_IOMMU_PCI, "aw-bits", "39" },
+ { TYPE_RAMFB_DEVICE, "use-legacy-x86-rom", "true" },
+ { TYPE_VFIO_PCI, "use-legacy-x86-rom", "true" },
};
static const size_t pc_q35_compat_defaults_len =
G_N_ELEMENTS(pc_q35_compat_defaults);
diff --git a/hw/vfio/display.c b/hw/vfio/display.c
index 9c6f5aa..faacd90 100644
--- a/hw/vfio/display.c
+++ b/hw/vfio/display.c
@@ -365,7 +365,7 @@ static bool vfio_display_dmabuf_init(VFIOPCIDevice *vdev, Error **errp)
&vfio_display_dmabuf_ops,
vdev);
if (vdev->enable_ramfb) {
- vdev->dpy->ramfb = ramfb_setup(errp);
+ vdev->dpy->ramfb = ramfb_setup(vdev->use_legacy_x86_rom, errp);
if (!vdev->dpy->ramfb) {
return false;
}
@@ -494,7 +494,7 @@ static bool vfio_display_region_init(VFIOPCIDevice *vdev, Error **errp)
&vfio_display_region_ops,
vdev);
if (vdev->enable_ramfb) {
- vdev->dpy->ramfb = ramfb_setup(errp);
+ vdev->dpy->ramfb = ramfb_setup(vdev->use_legacy_x86_rom, errp);
if (!vdev->dpy->ramfb) {
return false;
}
diff --git a/hw/vfio/pci.c b/hw/vfio/pci.c
index be05002..e72d514 100644
--- a/hw/vfio/pci.c
+++ b/hw/vfio/pci.c
@@ -3849,6 +3849,8 @@ static const TypeInfo vfio_pci_dev_info = {
static const Property vfio_pci_dev_nohotplug_properties[] = {
DEFINE_PROP_BOOL("ramfb", VFIOPCIDevice, enable_ramfb, false),
+ DEFINE_PROP_BOOL("use-legacy-x86-rom", VFIOPCIDevice,
+ use_legacy_x86_rom, false),
DEFINE_PROP_ON_OFF_AUTO("x-ramfb-migrate", VFIOPCIDevice, ramfb_migrate,
ON_OFF_AUTO_AUTO),
};
diff --git a/hw/vfio/pci.h b/hw/vfio/pci.h
index 4aa6461..248e5c4 100644
--- a/hw/vfio/pci.h
+++ b/hw/vfio/pci.h
@@ -14,6 +14,7 @@
#include "system/memory.h"
#include "hw/pci/pci_device.h"
+#include "hw/vfio/types.h"
#include "hw/vfio/vfio-device.h"
#include "hw/vfio/vfio-region.h"
#include "qemu/event_notifier.h"
@@ -119,17 +120,8 @@ typedef struct VFIOMSIXInfo {
MemoryRegion *pba_region;
} VFIOMSIXInfo;
-/*
- * 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)
-#define TYPE_VFIO_PCI "vfio-pci"
-/* TYPE_VFIO_PCI shares struct VFIOPCIDevice. */
-
struct VFIOPCIDevice {
PCIDevice pdev;
VFIODevice vbasedev;
@@ -189,6 +181,7 @@ struct VFIOPCIDevice {
bool no_kvm_ioeventfd;
bool no_vfio_ioeventfd;
bool enable_ramfb;
+ bool use_legacy_x86_rom;
OnOffAuto ramfb_migrate;
bool defer_kvm_irq_routing;
bool clear_parent_atomics_on_exit;
diff --git a/hw/vfio/types.h b/hw/vfio/types.h
new file mode 100644
index 0000000..fa20c29
--- /dev/null
+++ b/hw/vfio/types.h
@@ -0,0 +1,21 @@
+/*
+ * VFIO types definition
+ *
+ * Copyright Red Hat, Inc. 2025
+ *
+ * SPDX-License-Identifier: GPL-2.0-or-later
+ */
+#ifndef HW_VFIO_VFIO_TYPES_H
+#define HW_VFIO_VFIO_TYPES_H
+
+/*
+ * 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"
+
+#define TYPE_VFIO_PCI "vfio-pci"
+/* TYPE_VFIO_PCI shares struct VFIOPCIDevice. */
+
+#endif /* HW_VFIO_VFIO_TYPES_H */
diff --git a/include/hw/display/ramfb.h b/include/hw/display/ramfb.h
index a7e0019..172aa6d 100644
--- a/include/hw/display/ramfb.h
+++ b/include/hw/display/ramfb.h
@@ -6,7 +6,7 @@
/* ramfb.c */
typedef struct RAMFBState RAMFBState;
void ramfb_display_update(QemuConsole *con, RAMFBState *s);
-RAMFBState *ramfb_setup(Error **errp);
+RAMFBState *ramfb_setup(bool romfile, Error **errp);
extern const VMStateDescription ramfb_vmstate;
generated by cgit v1.1 at 2025-08-02 04:44:54 +0000