Add -machine virt,x-uefi-vars={on,off} property. Default is off. When enabled wire up the uefi-vars-sysbus device.
TODO: wire up jsonfile property. Signed-off-by: Gerd Hoffmann <kra...@redhat.com> --- include/hw/arm/virt.h | 2 ++ hw/arm/virt.c | 41 +++++++++++++++++++++++++++++++++++++++++ 2 files changed, 43 insertions(+) diff --git a/include/hw/arm/virt.h b/include/hw/arm/virt.h index c8e94e6aedc9..393ea2cbec78 100644 --- a/include/hw/arm/virt.h +++ b/include/hw/arm/virt.h @@ -79,6 +79,7 @@ enum { VIRT_ACPI_GED, VIRT_NVDIMM_ACPI, VIRT_PVTIME, + VIRT_UEFI_VARS, VIRT_LOWMEMMAP_LAST, }; @@ -156,6 +157,7 @@ struct VirtMachineState { bool mte; bool dtb_randomness; bool second_ns_uart_present; + bool uefi_vars; OnOffAuto acpi; VirtGICType gic_version; VirtIOMMUType iommu; diff --git a/hw/arm/virt.c b/hw/arm/virt.c index 99e0a68b6c55..6856ecb4dcf2 100644 --- a/hw/arm/virt.c +++ b/hw/arm/virt.c @@ -65,6 +65,7 @@ #include "hw/intc/arm_gicv3_common.h" #include "hw/intc/arm_gicv3_its_common.h" #include "hw/irq.h" +#include "hw/uefi/var-service-api.h" #include "kvm_arm.h" #include "hvf_arm.h" #include "hw/firmware/smbios.h" @@ -181,6 +182,7 @@ static const MemMapEntry base_memmap[] = { [VIRT_NVDIMM_ACPI] = { 0x09090000, NVDIMM_ACPI_IO_LEN}, [VIRT_PVTIME] = { 0x090a0000, 0x00010000 }, [VIRT_SECURE_GPIO] = { 0x090b0000, 0x00001000 }, + [VIRT_UEFI_VARS] = { 0x090c0000, 0x00000010 }, [VIRT_MMIO] = { 0x0a000000, 0x00000200 }, /* ...repeating for a total of NUM_VIRTIO_TRANSPORTS, each of that size */ [VIRT_PLATFORM_BUS] = { 0x0c000000, 0x02000000 }, @@ -1369,6 +1371,24 @@ static FWCfgState *create_fw_cfg(const VirtMachineState *vms, AddressSpace *as) return fw_cfg; } +static void create_uefi_vars(const VirtMachineState *vms) +{ + hwaddr base = vms->memmap[VIRT_UEFI_VARS].base; + hwaddr size = vms->memmap[VIRT_UEFI_VARS].size; + MachineState *ms = MACHINE(vms); + char *nodename; + + sysbus_create_simple("uefi-vars-sysbus", base, NULL); + + nodename = g_strdup_printf("/%s@%" PRIx64, UEFI_VARS_FDT_NODE, base); + qemu_fdt_add_subnode(ms->fdt, nodename); + qemu_fdt_setprop_string(ms->fdt, nodename, + "compatible", UEFI_VARS_FDT_COMPAT); + qemu_fdt_setprop_sized_cells(ms->fdt, nodename, "reg", + 2, base, 2, size); + g_free(nodename); +} + static void create_pcie_irq_map(const MachineState *ms, uint32_t gic_phandle, int first_irq, const char *nodename) @@ -2425,6 +2445,10 @@ static void machvirt_init(MachineState *machine) vms->fw_cfg = create_fw_cfg(vms, &address_space_memory); rom_set_fw(vms->fw_cfg); + if (vms->uefi_vars) { + create_uefi_vars(vms); + } + create_platform_bus(vms); if (machine->nvdimms_state->is_enabled) { @@ -2621,6 +2645,20 @@ static void virt_set_oem_table_id(Object *obj, const char *value, strncpy(vms->oem_table_id, value, 8); } +static bool virt_get_uefi_vars(Object *obj, Error **errp) +{ + VirtMachineState *vms = VIRT_MACHINE(obj); + + return vms->uefi_vars; +} + +static void virt_set_uefi_vars(Object *obj, bool value, Error **errp) +{ + VirtMachineState *vms = VIRT_MACHINE(obj); + + vms->uefi_vars = value; +} + bool virt_is_acpi_enabled(VirtMachineState *vms) { @@ -3273,6 +3311,9 @@ static void virt_machine_class_init(ObjectClass *oc, void *data) "in ACPI table header." "The string may be up to 8 bytes in size"); + object_class_property_add_bool(oc, "x-uefi-vars", + virt_get_uefi_vars, + virt_set_uefi_vars); } static void virt_instance_init(Object *obj) -- 2.47.1