This change implements the support for the ACPI ERST feature. This implements a PCI device for ACPI ERST. This implments the non-NVRAM "mode" of operation for ERST.
This change also includes erst.c in the build of general ACPI support. Signed-off-by: Eric DeVolder <eric.devol...@oracle.com> --- hw/acpi/erst.c | 704 ++++++++++++++++++++++++++++++++++++++++++++++++++++ hw/acpi/meson.build | 1 + 2 files changed, 705 insertions(+) create mode 100644 hw/acpi/erst.c diff --git a/hw/acpi/erst.c b/hw/acpi/erst.c new file mode 100644 index 0000000..6e9bd2e --- /dev/null +++ b/hw/acpi/erst.c @@ -0,0 +1,704 @@ +/* + * ACPI Error Record Serialization Table, ERST, Implementation + * + * Copyright (c) 2021 Oracle and/or its affiliates. + * + * ACPI ERST introduced in ACPI 4.0, June 16, 2009. + * ACPI Platform Error Interfaces : Error Serialization + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; + * version 2 of the License. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, see <http://www.gnu.org/licenses/> + */ + +#include <sys/types.h> +#include <sys/stat.h> +#include <unistd.h> + +#include "qemu/osdep.h" +#include "qapi/error.h" +#include "hw/qdev-core.h" +#include "exec/memory.h" +#include "qom/object.h" +#include "hw/pci/pci.h" +#include "qom/object_interfaces.h" +#include "qemu/error-report.h" +#include "migration/vmstate.h" +#include "hw/qdev-properties.h" +#include "hw/acpi/acpi.h" +#include "hw/acpi/acpi-defs.h" +#include "hw/acpi/aml-build.h" +#include "hw/acpi/bios-linker-loader.h" +#include "exec/address-spaces.h" +#include "sysemu/hostmem.h" +#include "hw/acpi/erst.h" +#include "trace.h" + +/* UEFI 2.1: Append N Common Platform Error Record */ +#define UEFI_CPER_RECORD_MIN_SIZE 128U +#define UEFI_CPER_RECORD_LENGTH_OFFSET 20U +#define UEFI_CPER_RECORD_ID_OFFSET 96U +#define IS_UEFI_CPER_RECORD(ptr) \ + (((ptr)[0] == 'C') && \ + ((ptr)[1] == 'P') && \ + ((ptr)[2] == 'E') && \ + ((ptr)[3] == 'R')) +#define THE_UEFI_CPER_RECORD_ID(ptr) \ + (*(uint64_t *)(&(ptr)[UEFI_CPER_RECORD_ID_OFFSET])) + +/* + * This implementation is an ACTION (cmd) and VALUE (data) + * interface consisting of just two 64-bit registers. + */ +#define ERST_REG_SIZE (2UL * sizeof(uint64_t)) +#define ERST_CSR_ACTION (0UL << 3) /* action (cmd) */ +#define ERST_CSR_VALUE (1UL << 3) /* argument/value (data) */ + +/* + * ERST_RECORD_SIZE is the buffer size for exchanging ERST + * record contents. Thus, it defines the maximum record size. + * As this is mapped through a PCI BAR, it must be a power of + * two, and should be at least PAGE_SIZE. + * Records are stored in the backing file in a simple fashion. + * The backing file is essentially divided into fixed size + * "slots", ERST_RECORD_SIZE in length, with each "slot" + * storing a single record. No attempt at optimizing storage + * through compression, compaction, etc is attempted. + * NOTE that any change to this value will make any pre- + * existing backing files, not of the same ERST_RECORD_SIZE, + * unusable to the guest. + */ +/* 8KiB records, not too small, not too big */ +#define ERST_RECORD_SIZE (2UL * 4096) + +#define ERST_INVALID_RECORD_ID (~0UL) +#define ERST_EXECUTE_OPERATION_MAGIC 0x9CUL + +/* + * Object cast macro + */ +#define ACPIERST(obj) \ + OBJECT_CHECK(ERSTDeviceState, (obj), TYPE_ACPI_ERST) + +/* + * Main ERST device state structure + */ +typedef struct { + PCIDevice parent_obj; + + HostMemoryBackend *hostmem; + MemoryRegion *hostmem_mr; + + MemoryRegion iomem; /* programming registes */ + MemoryRegion nvmem; /* exchange buffer */ + uint32_t prop_size; + hwaddr bar0; /* programming registers */ + hwaddr bar1; /* exchange buffer */ + + uint8_t operation; + uint8_t busy_status; + uint8_t command_status; + uint32_t record_offset; + uint32_t record_count; + uint64_t reg_action; + uint64_t reg_value; + uint64_t record_identifier; + + unsigned next_record_index; + uint8_t record[ERST_RECORD_SIZE]; /* read/written directly by guest */ + uint8_t tmp_record[ERST_RECORD_SIZE]; /* intermediate manipulation buffer */ + +} ERSTDeviceState; + +/*******************************************************************/ +/*******************************************************************/ + +static unsigned copy_from_nvram_by_index(ERSTDeviceState *s, unsigned index) +{ + /* Read an nvram entry into tmp_record */ + unsigned rc = ACPI_ERST_STATUS_FAILED; + off_t offset = (index * ERST_RECORD_SIZE); + + if ((offset + ERST_RECORD_SIZE) <= s->prop_size) { + if (s->hostmem_mr) { + uint8_t *p = (uint8_t *)memory_region_get_ram_ptr(s->hostmem_mr); + memcpy(s->tmp_record, p + offset, ERST_RECORD_SIZE); + rc = ACPI_ERST_STATUS_SUCCESS; + } + } + return rc; +} + +static unsigned copy_to_nvram_by_index(ERSTDeviceState *s, unsigned index) +{ + /* Write entry in tmp_record into nvram, and backing file */ + unsigned rc = ACPI_ERST_STATUS_FAILED; + off_t offset = (index * ERST_RECORD_SIZE); + + if ((offset + ERST_RECORD_SIZE) <= s->prop_size) { + if (s->hostmem_mr) { + uint8_t *p = (uint8_t *)memory_region_get_ram_ptr(s->hostmem_mr); + memcpy(p + offset, s->tmp_record, ERST_RECORD_SIZE); + rc = ACPI_ERST_STATUS_SUCCESS; + } + } + return rc; +} + +static int lookup_erst_record_by_identifier(ERSTDeviceState *s, + uint64_t record_identifier, bool *record_found, bool alloc_for_write) +{ + int rc = -1; + int empty_index = -1; + int index = 0; + unsigned rrc; + + *record_found = 0; + + do { + rrc = copy_from_nvram_by_index(s, (unsigned)index); + if (rrc == ACPI_ERST_STATUS_SUCCESS) { + uint64_t this_identifier; + this_identifier = THE_UEFI_CPER_RECORD_ID(s->tmp_record); + if (IS_UEFI_CPER_RECORD(s->tmp_record) && + (this_identifier == record_identifier)) { + rc = index; + *record_found = 1; + break; + } + if ((this_identifier == ERST_INVALID_RECORD_ID) && + (empty_index < 0)) { + empty_index = index; /* first available for write */ + } + } + ++index; + } while (rrc == ACPI_ERST_STATUS_SUCCESS); + + /* Record not found, allocate for writing */ + if ((rc < 0) && alloc_for_write) { + rc = empty_index; + } + + return rc; +} + +static unsigned clear_erst_record(ERSTDeviceState *s) +{ + unsigned rc = ACPI_ERST_STATUS_RECORD_NOT_FOUND; + bool record_found; + int index; + + index = lookup_erst_record_by_identifier(s, + s->record_identifier, &record_found, 0); + if (record_found) { + memset(s->tmp_record, 0xFF, ERST_RECORD_SIZE); + rc = copy_to_nvram_by_index(s, (unsigned)index); + if (rc == ACPI_ERST_STATUS_SUCCESS) { + s->record_count -= 1; + } + } + + return rc; +} + +static unsigned write_erst_record(ERSTDeviceState *s) +{ + unsigned rc = ACPI_ERST_STATUS_FAILED; + + if (s->record_offset < (ERST_RECORD_SIZE - UEFI_CPER_RECORD_MIN_SIZE)) { + uint64_t record_identifier; + uint8_t *record = &s->record[s->record_offset]; + bool record_found; + int index; + + record_identifier = (s->record_identifier == ERST_INVALID_RECORD_ID) + ? THE_UEFI_CPER_RECORD_ID(record) : s->record_identifier; + + index = lookup_erst_record_by_identifier(s, + record_identifier, &record_found, 1); + if (index < 0) { + rc = ACPI_ERST_STATUS_NOT_ENOUGH_SPACE; + } else { + if (0 != s->record_offset) { + memset(&s->tmp_record[ERST_RECORD_SIZE - s->record_offset], + 0xFF, s->record_offset); + } + memcpy(s->tmp_record, record, ERST_RECORD_SIZE - s->record_offset); + rc = copy_to_nvram_by_index(s, (unsigned)index); + if (rc == ACPI_ERST_STATUS_SUCCESS) { + if (!record_found) { /* not overwriting existing record */ + s->record_count += 1; /* writing new record */ + } + } + } + } + + return rc; +} + +static unsigned next_erst_record(ERSTDeviceState *s, + uint64_t *record_identifier) +{ + unsigned rc = ACPI_ERST_STATUS_RECORD_NOT_FOUND; + unsigned index; + unsigned rrc; + + *record_identifier = ERST_INVALID_RECORD_ID; + + index = s->next_record_index; + do { + rrc = copy_from_nvram_by_index(s, (unsigned)index); + if (rrc == ACPI_ERST_STATUS_SUCCESS) { + if (IS_UEFI_CPER_RECORD(s->tmp_record)) { + s->next_record_index = index + 1; /* where to start next time */ + *record_identifier = THE_UEFI_CPER_RECORD_ID(s->tmp_record); + rc = ACPI_ERST_STATUS_SUCCESS; + break; + } + ++index; + } else { + if (s->next_record_index == 0) { + rc = ACPI_ERST_STATUS_RECORD_STORE_EMPTY; + } + s->next_record_index = 0; /* at end, reset */ + } + } while (rrc == ACPI_ERST_STATUS_SUCCESS); + + return rc; +} + +static unsigned read_erst_record(ERSTDeviceState *s) +{ + unsigned rc = ACPI_ERST_STATUS_RECORD_NOT_FOUND; + bool record_found; + int index; + + index = lookup_erst_record_by_identifier(s, + s->record_identifier, &record_found, 0); + if (record_found) { + rc = copy_from_nvram_by_index(s, (unsigned)index); + if (rc == ACPI_ERST_STATUS_SUCCESS) { + if (s->record_offset < ERST_RECORD_SIZE) { + memcpy(&s->record[s->record_offset], s->tmp_record, + ERST_RECORD_SIZE - s->record_offset); + } + } + } + + return rc; +} + +static unsigned get_erst_record_count(ERSTDeviceState *s) +{ + /* Compute record_count */ + unsigned index = 0; + + s->record_count = 0; + while (copy_from_nvram_by_index(s, index) == ACPI_ERST_STATUS_SUCCESS) { + uint8_t *ptr = &s->tmp_record[0]; + uint64_t record_identifier = THE_UEFI_CPER_RECORD_ID(ptr); + if (IS_UEFI_CPER_RECORD(ptr) && + (ERST_INVALID_RECORD_ID != record_identifier)) { + s->record_count += 1; + } + ++index; + } + return s->record_count; +} + +/*******************************************************************/ + +static uint64_t erst_rd_reg64(hwaddr addr, + uint64_t reg, unsigned size) +{ + uint64_t rdval; + uint64_t mask; + unsigned shift; + + if (size == sizeof(uint64_t)) { + /* 64b access */ + mask = 0xFFFFFFFFFFFFFFFFUL; + shift = 0; + } else { + /* 32b access */ + mask = 0x00000000FFFFFFFFUL; + shift = ((addr & 0x4) == 0x4) ? 32 : 0; + } + + rdval = reg; + rdval >>= shift; + rdval &= mask; + + return rdval; +} + +static uint64_t erst_wr_reg64(hwaddr addr, + uint64_t reg, uint64_t val, unsigned size) +{ + uint64_t wrval; + uint64_t mask; + unsigned shift; + + if (size == sizeof(uint64_t)) { + /* 64b access */ + mask = 0xFFFFFFFFFFFFFFFFUL; + shift = 0; + } else { + /* 32b access */ + mask = 0x00000000FFFFFFFFUL; + shift = ((addr & 0x4) == 0x4) ? 32 : 0; + } + + val &= mask; + val <<= shift; + mask <<= shift; + wrval = reg; + wrval &= ~mask; + wrval |= val; + + return wrval; +} + +static void erst_reg_write(void *opaque, hwaddr addr, + uint64_t val, unsigned size) +{ + ERSTDeviceState *s = (ERSTDeviceState *)opaque; + + /* + * NOTE: All actions/operations/side effects happen on the WRITE, + * by design. The READs simply return the reg_value contents. + */ + trace_acpi_erst_reg_write(addr, val, size); + + switch (addr) { + case ERST_CSR_VALUE + 0: + case ERST_CSR_VALUE + 4: + s->reg_value = erst_wr_reg64(addr, s->reg_value, val, size); + break; + case ERST_CSR_ACTION + 0: +/* case ERST_CSR_ACTION+4: as coded, not really a 64b register */ + switch (val) { + case ACPI_ERST_ACTION_BEGIN_WRITE_OPERATION: + case ACPI_ERST_ACTION_BEGIN_READ_OPERATION: + case ACPI_ERST_ACTION_BEGIN_CLEAR_OPERATION: + case ACPI_ERST_ACTION_BEGIN_DUMMY_WRITE_OPERATION: + case ACPI_ERST_ACTION_END_OPERATION: + s->operation = val; + break; + case ACPI_ERST_ACTION_SET_RECORD_OFFSET: + s->record_offset = s->reg_value; + break; + case ACPI_ERST_ACTION_EXECUTE_OPERATION: + if ((uint8_t)s->reg_value == ERST_EXECUTE_OPERATION_MAGIC) { + s->busy_status = 1; + switch (s->operation) { + case ACPI_ERST_ACTION_BEGIN_WRITE_OPERATION: + s->command_status = write_erst_record(s); + break; + case ACPI_ERST_ACTION_BEGIN_READ_OPERATION: + s->command_status = read_erst_record(s); + break; + case ACPI_ERST_ACTION_BEGIN_CLEAR_OPERATION: + s->command_status = clear_erst_record(s); + break; + case ACPI_ERST_ACTION_BEGIN_DUMMY_WRITE_OPERATION: + s->command_status = ACPI_ERST_STATUS_SUCCESS; + break; + case ACPI_ERST_ACTION_END_OPERATION: + s->command_status = ACPI_ERST_STATUS_SUCCESS; + break; + default: + s->command_status = ACPI_ERST_STATUS_FAILED; + break; + } + s->record_identifier = ERST_INVALID_RECORD_ID; + s->busy_status = 0; + } + break; + case ACPI_ERST_ACTION_CHECK_BUSY_STATUS: + s->reg_value = s->busy_status; + break; + case ACPI_ERST_ACTION_GET_COMMAND_STATUS: + s->reg_value = s->command_status; + break; + case ACPI_ERST_ACTION_GET_RECORD_IDENTIFIER: + s->command_status = next_erst_record(s, &s->reg_value); + break; + case ACPI_ERST_ACTION_SET_RECORD_IDENTIFIER: + s->record_identifier = s->reg_value; + break; + case ACPI_ERST_ACTION_GET_RECORD_COUNT: + s->reg_value = s->record_count; + break; + case ACPI_ERST_ACTION_GET_ERROR_LOG_ADDRESS_RANGE: + s->reg_value = s->bar1; + break; + case ACPI_ERST_ACTION_GET_ERROR_LOG_ADDRESS_LENGTH: + s->reg_value = ERST_RECORD_SIZE; + break; + case ACPI_ERST_ACTION_GET_ERROR_LOG_ADDRESS_RANGE_ATTRIBUTES: + s->reg_value = 0x0; /* intentional, not NVRAM mode */ + break; + case ACPI_ERST_ACTION_GET_EXECUTE_OPERATION_TIMINGS: + /* + * 100UL is max, 10UL is nominal + */ + s->reg_value = ((100UL << 32) | (10UL << 0)); + break; + case ACPI_ERST_ACTION_RESERVED: + default: + /* + * Unknown action/command, NOP + */ + break; + } + break; + default: + /* + * This should not happen, but if it does, NOP + */ + break; + } +} + +static uint64_t erst_reg_read(void *opaque, hwaddr addr, + unsigned size) +{ + ERSTDeviceState *s = (ERSTDeviceState *)opaque; + uint64_t val = 0; + + switch (addr) { + case ERST_CSR_ACTION + 0: + case ERST_CSR_ACTION + 4: + val = erst_rd_reg64(addr, s->reg_action, size); + break; + case ERST_CSR_VALUE + 0: + case ERST_CSR_VALUE + 4: + val = erst_rd_reg64(addr, s->reg_value, size); + break; + default: + break; + } + trace_acpi_erst_reg_read(addr, val, size); + return val; +} + +static const MemoryRegionOps erst_reg_ops = { + .read = erst_reg_read, + .write = erst_reg_write, + .endianness = DEVICE_NATIVE_ENDIAN, +}; + +static void erst_mem_write(void *opaque, hwaddr addr, + uint64_t val, unsigned size) +{ + ERSTDeviceState *s = (ERSTDeviceState *)opaque; + uint8_t *ptr = &s->record[addr - 0]; + trace_acpi_erst_mem_write(addr, val, size); + switch (size) { + default: + case sizeof(uint8_t): + *(uint8_t *)ptr = (uint8_t)val; + break; + case sizeof(uint16_t): + *(uint16_t *)ptr = (uint16_t)val; + break; + case sizeof(uint32_t): + *(uint32_t *)ptr = (uint32_t)val; + break; + case sizeof(uint64_t): + *(uint64_t *)ptr = (uint64_t)val; + break; + } +} + +static uint64_t erst_mem_read(void *opaque, hwaddr addr, + unsigned size) +{ + ERSTDeviceState *s = (ERSTDeviceState *)opaque; + uint8_t *ptr = &s->record[addr - 0]; + uint64_t val = 0; + switch (size) { + default: + case sizeof(uint8_t): + val = *(uint8_t *)ptr; + break; + case sizeof(uint16_t): + val = *(uint16_t *)ptr; + break; + case sizeof(uint32_t): + val = *(uint32_t *)ptr; + break; + case sizeof(uint64_t): + val = *(uint64_t *)ptr; + break; + } + trace_acpi_erst_mem_read(addr, val, size); + return val; +} + +static const MemoryRegionOps erst_mem_ops = { + .read = erst_mem_read, + .write = erst_mem_write, + .endianness = DEVICE_NATIVE_ENDIAN, +}; + +/*******************************************************************/ +/*******************************************************************/ + +static const VMStateDescription erst_vmstate = { + .name = "acpi-erst", + .version_id = 1, + .minimum_version_id = 1, + .fields = (VMStateField[]) { + VMSTATE_UINT8(operation, ERSTDeviceState), + VMSTATE_UINT8(busy_status, ERSTDeviceState), + VMSTATE_UINT8(command_status, ERSTDeviceState), + VMSTATE_UINT32(record_offset, ERSTDeviceState), + VMSTATE_UINT32(record_count, ERSTDeviceState), + VMSTATE_UINT64(reg_action, ERSTDeviceState), + VMSTATE_UINT64(reg_value, ERSTDeviceState), + VMSTATE_UINT64(record_identifier, ERSTDeviceState), + VMSTATE_UINT8_ARRAY(record, ERSTDeviceState, ERST_RECORD_SIZE), + VMSTATE_UINT8_ARRAY(tmp_record, ERSTDeviceState, ERST_RECORD_SIZE), + VMSTATE_END_OF_LIST() + } +}; + +static void erst_realizefn(PCIDevice *pci_dev, Error **errp) +{ + ERSTDeviceState *s = ACPIERST(pci_dev); + unsigned index = 0; + bool share; + + trace_acpi_erst_realizefn_in(); + + if (!s->hostmem) { + error_setg(errp, "'" ACPI_ERST_MEMDEV_PROP "' property is not set"); + return; + } else if (host_memory_backend_is_mapped(s->hostmem)) { + error_setg(errp, "can't use already busy memdev: %s", + object_get_canonical_path_component(OBJECT(s->hostmem))); + return; + } + + share = object_property_get_bool(OBJECT(s->hostmem), "share", &error_fatal); + if (!share) { + error_setg(errp, "ACPI ERST requires hostmem property share=on: %s", + object_get_canonical_path_component(OBJECT(s->hostmem))); + } + + s->hostmem_mr = host_memory_backend_get_memory(s->hostmem); + + /* HostMemoryBackend size will be multiple of PAGE_SIZE */ + s->prop_size = object_property_get_int(OBJECT(s->hostmem), "size", &error_fatal); + + /* Convert prop_size to integer multiple of ERST_RECORD_SIZE */ + s->prop_size -= (s->prop_size % ERST_RECORD_SIZE); + + /* + * MemoryBackend initializes contents to zero, but we actually + * want contents initialized to 0xFF, ERST_INVALID_RECORD_ID. + */ + if (copy_from_nvram_by_index(s, 0) == ACPI_ERST_STATUS_SUCCESS) { + if (s->tmp_record[0] == 0x00) { + memset(s->tmp_record, 0xFF, ERST_RECORD_SIZE); + index = 0; + while (copy_to_nvram_by_index(s, index) == ACPI_ERST_STATUS_SUCCESS) { + ++index; + } + } + } + + /* Initialize record_count */ + get_erst_record_count(s); + + /* BAR 0: Programming registers */ + memory_region_init_io(&s->iomem, OBJECT(pci_dev), &erst_reg_ops, s, + TYPE_ACPI_ERST, ERST_REG_SIZE); + pci_register_bar(pci_dev, 0, PCI_BASE_ADDRESS_SPACE_MEMORY, &s->iomem); + + /* BAR 1: Exchange buffer memory */ + memory_region_init_io(&s->nvmem, OBJECT(pci_dev), &erst_mem_ops, s, + TYPE_ACPI_ERST, ERST_RECORD_SIZE); + pci_register_bar(pci_dev, 1, PCI_BASE_ADDRESS_SPACE_MEMORY, &s->nvmem); + + /* + * The vmstate_register_ram_global() puts the memory in + * migration stream, where it is written back to the memory + * upon reaching the destination, which causes the backing + * file to be updated (with share=on). + */ + vmstate_register_ram_global(s->hostmem_mr); + + trace_acpi_erst_realizefn_out(s->prop_size); +} + +static void erst_reset(DeviceState *dev) +{ + ERSTDeviceState *s = ACPIERST(dev); + + trace_acpi_erst_reset_in(s->record_count); + s->operation = 0; + s->busy_status = 0; + s->command_status = ACPI_ERST_STATUS_SUCCESS; + /* indicate empty/no-more until further notice */ + s->record_identifier = ERST_INVALID_RECORD_ID; + s->record_offset = 0; + s->next_record_index = 0; + /* NOTE: record_count and nvram are initialized elsewhere */ + trace_acpi_erst_reset_out(s->record_count); +} + +static Property erst_properties[] = { + DEFINE_PROP_LINK(ACPI_ERST_MEMDEV_PROP, ERSTDeviceState, hostmem, + TYPE_MEMORY_BACKEND, HostMemoryBackend *), + DEFINE_PROP_END_OF_LIST(), +}; + +static void erst_class_init(ObjectClass *klass, void *data) +{ + DeviceClass *dc = DEVICE_CLASS(klass); + PCIDeviceClass *k = PCI_DEVICE_CLASS(klass); + + trace_acpi_erst_class_init_in(); + k->realize = erst_realizefn; + k->vendor_id = PCI_VENDOR_ID_REDHAT; + k->device_id = PCI_DEVICE_ID_REDHAT_ACPI_ERST; + k->revision = 0x00; + k->class_id = PCI_CLASS_OTHERS; + dc->reset = erst_reset; + dc->vmsd = &erst_vmstate; + dc->user_creatable = true; + device_class_set_props(dc, erst_properties); + dc->desc = "ACPI Error Record Serialization Table (ERST) device"; + set_bit(DEVICE_CATEGORY_MISC, dc->categories); + trace_acpi_erst_class_init_out(); +} + +static const TypeInfo erst_type_info = { + .name = TYPE_ACPI_ERST, + .parent = TYPE_PCI_DEVICE, + .class_init = erst_class_init, + .instance_size = sizeof(ERSTDeviceState), + .interfaces = (InterfaceInfo[]) { + { INTERFACE_CONVENTIONAL_PCI_DEVICE }, + { } + } +}; + +static void erst_register_types(void) +{ + type_register_static(&erst_type_info); +} + +type_init(erst_register_types) diff --git a/hw/acpi/meson.build b/hw/acpi/meson.build index dd69577..262a8ee 100644 --- a/hw/acpi/meson.build +++ b/hw/acpi/meson.build @@ -4,6 +4,7 @@ acpi_ss.add(files( 'aml-build.c', 'bios-linker-loader.c', 'utils.c', + 'erst.c', )) acpi_ss.add(when: 'CONFIG_ACPI_CPU_HOTPLUG', if_true: files('cpu.c')) acpi_ss.add(when: 'CONFIG_ACPI_CPU_HOTPLUG', if_true: files('cpu_hotplug.c')) -- 1.8.3.1
