@@ -40,3 +40,4 @@ CONFIG_FSL_IMX25=y
CONFIG_FSL_IMX7=y
CONFIG_FSL_IMX6UL=y
CONFIG_SEMIHOSTING=y
+CONFIG_ACPI_APEI=y
@@ -23,6 +23,10 @@ config ACPI_NVDIMM
bool
depends on ACPI
+config ACPI_APEI
+ bool
+ depends on ACPI
+
config ACPI_PCI
bool
depends on ACPI && PCI
@@ -5,6 +5,7 @@ common-obj-$(CONFIG_ACPI_CPU_HOTPLUG) += cpu_hotplug.o
common-obj-$(CONFIG_ACPI_MEMORY_HOTPLUG) += memory_hotplug.o
common-obj-$(CONFIG_ACPI_CPU_HOTPLUG) += cpu.o
common-obj-$(CONFIG_ACPI_NVDIMM) += nvdimm.o
+common-obj-$(CONFIG_ACPI_APEI) += acpi_ghes.o
common-obj-$(CONFIG_ACPI_VMGENID) += vmgenid.o
common-obj-$(call lnot,$(CONFIG_ACPI_X86)) += acpi-stub.o
new file mode 100644
@@ -0,0 +1,217 @@
+/*
+ * Support for generating APEI tables and recording CPER for Guests
+ *
+ * Copyright (c) 2019 HUAWEI TECHNOLOGIES CO., LTD.
+ *
+ * Author: Dongjiu Geng <gengdongjiu@huawei.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+
+ * This program 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 General Public License for more details.
+
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "qemu/osdep.h"
+#include "hw/acpi/acpi.h"
+#include "hw/acpi/aml-build.h"
+#include "hw/acpi/acpi_ghes.h"
+#include "hw/nvram/fw_cfg.h"
+#include "sysemu/sysemu.h"
+#include "qemu/error-report.h"
+
+/*
+ * Hardware Error Notification
+ * ACPI 4.0: 17.3.2.7 Hardware Error Notification
+ */
+static void acpi_ghes_build_notify(GArray *table, const uint8_t type)
+{
+ /* Type */
+ build_append_int_noprefix(table, type, 1);
+ /*
+ * Length:
+ * Total length of the structure in bytes
+ */
+ build_append_int_noprefix(table, 28, 1);
+ /* Configuration Write Enable */
+ build_append_int_noprefix(table, 0, 2);
+ /* Poll Interval */
+ build_append_int_noprefix(table, 0, 4);
+ /* Vector */
+ build_append_int_noprefix(table, 0, 4);
+ /* Switch To Polling Threshold Value */
+ build_append_int_noprefix(table, 0, 4);
+ /* Switch To Polling Threshold Window */
+ build_append_int_noprefix(table, 0, 4);
+ /* Error Threshold Value */
+ build_append_int_noprefix(table, 0, 4);
+ /* Error Threshold Window */
+ build_append_int_noprefix(table, 0, 4);
+}
+
+/* Build table for the hardware error fw_cfg blob */
+void acpi_ghes_build_error_table(GArray *hardware_errors, BIOSLinker *linker)
+{
+ int i, error_status_block_offset;
+
+ /*
+ * | +--------------------------+
+ * | | error_block_address |
+ * | | .......... |
+ * | +--------------------------+
+ * | | read_ack_register |
+ * | | ........... |
+ * | +--------------------------+
+ * | | Error Status Data Block |
+ * | | ........ |
+ * | +--------------------------+
+ */
+
+ /* Build error_block_address */
+ for (i = 0; i < ACPI_GHES_ERROR_SOURCE_COUNT; i++) {
+ build_append_int_noprefix(hardware_errors, 0, ACPI_GHES_ADDRESS_SIZE);
+ }
+
+ /* Build read_ack_register */
+ for (i = 0; i < ACPI_GHES_ERROR_SOURCE_COUNT; i++) {
+ /*
+ * Initialize the value of read_ack_register to 1, so GHES can be
+ * writeable in the first time.
+ * ACPI 6.2: 18.3.2.8 Generic Hardware Error Source version 2
+ * (GHESv2 - Type 10)
+ */
+ build_append_int_noprefix(hardware_errors, 1, ACPI_GHES_ADDRESS_SIZE);
+ }
+
+ /* Generic Error Status Block offset in the hardware error fw_cfg blob */
+ error_status_block_offset = hardware_errors->len;
+
+ /* Build Error Status Data Block */
+ build_append_int_noprefix(hardware_errors, 0,
+ ACPI_GHES_MAX_RAW_DATA_LENGTH * ACPI_GHES_ERROR_SOURCE_COUNT);
+
+ /* Allocate guest memory for the hardware error fw_cfg blob */
+ bios_linker_loader_alloc(linker, ACPI_GHES_ERRORS_FW_CFG_FILE,
+ hardware_errors, 1, false);
+
+ for (i = 0; i < ACPI_GHES_ERROR_SOURCE_COUNT; i++) {
+ /*
+ * Patch the address of Error Status Data Block into
+ * the error_block_address of hardware_errors fw_cfg blob
+ */
+ bios_linker_loader_add_pointer(linker,
+ ACPI_GHES_ERRORS_FW_CFG_FILE, ACPI_GHES_ADDRESS_SIZE * i,
+ ACPI_GHES_ADDRESS_SIZE, ACPI_GHES_ERRORS_FW_CFG_FILE,
+ error_status_block_offset + i * ACPI_GHES_MAX_RAW_DATA_LENGTH);
+ }
+
+ /*
+ * Write the address of hardware_errors fw_cfg blob into the
+ * hardware_errors_addr fw_cfg blob.
+ */
+ bios_linker_loader_write_pointer(linker, ACPI_GHES_DATA_ADDR_FW_CFG_FILE,
+ 0, ACPI_GHES_ADDRESS_SIZE, ACPI_GHES_ERRORS_FW_CFG_FILE, 0);
+}
+
+/* Build Hardware Error Source Table */
+void acpi_ghes_build_hest(GArray *table_data, GArray *hardware_errors,
+ BIOSLinker *linker)
+{
+ uint32_t hest_start = table_data->len;
+ uint32_t source_id = 0;
+
+ /* Hardware Error Source Table header*/
+ acpi_data_push(table_data, sizeof(AcpiTableHeader));
+
+ /* Error Source Count */
+ build_append_int_noprefix(table_data, ACPI_GHES_ERROR_SOURCE_COUNT, 4);
+
+ /*
+ * Type:
+ * Generic Hardware Error Source version 2(GHESv2 - Type 10)
+ */
+ build_append_int_noprefix(table_data, ACPI_GHES_SOURCE_GENERIC_ERROR_V2, 2);
+ /*
+ * Source Id
+ * Once we support more than one hardware error sources, we need to
+ * increase the value of this field.
+ */
+ build_append_int_noprefix(table_data, source_id, 2);
+ /* Related Source Id */
+ build_append_int_noprefix(table_data, 0xffff, 2);
+ /* Flags */
+ build_append_int_noprefix(table_data, 0, 1);
+ /* Enabled */
+ build_append_int_noprefix(table_data, 1, 1);
+
+ /* Number of Records To Pre-allocate */
+ build_append_int_noprefix(table_data, 1, 4);
+ /* Max Sections Per Record */
+ build_append_int_noprefix(table_data, 1, 4);
+ /* Max Raw Data Length */
+ build_append_int_noprefix(table_data, ACPI_GHES_MAX_RAW_DATA_LENGTH, 4);
+
+ /* Error Status Address */
+ build_append_gas(table_data, AML_SYSTEM_MEMORY, 0x40, 0,
+ 4 /* QWord access */, 0);
+ bios_linker_loader_add_pointer(linker, ACPI_BUILD_TABLE_FILE,
+ ACPI_GHES_ERROR_STATUS_ADDRESS_OFFSET(hest_start, source_id),
+ ACPI_GHES_ADDRESS_SIZE, ACPI_GHES_ERRORS_FW_CFG_FILE,
+ source_id * ACPI_GHES_ADDRESS_SIZE);
+
+ /*
+ * Notification Structure
+ * Now only enable ARMv8 SEA notification type
+ */
+ acpi_ghes_build_notify(table_data, ACPI_GHES_NOTIFY_SEA);
+
+ /* Error Status Block Length */
+ build_append_int_noprefix(table_data, ACPI_GHES_MAX_RAW_DATA_LENGTH, 4);
+
+ /*
+ * Read Ack Register
+ * ACPI 6.1: 18.3.2.8 Generic Hardware Error Source
+ * version 2 (GHESv2 - Type 10)
+ */
+ build_append_gas(table_data, AML_SYSTEM_MEMORY, 0x40, 0,
+ 4 /* QWord access */, 0);
+ bios_linker_loader_add_pointer(linker, ACPI_BUILD_TABLE_FILE,
+ ACPI_GHES_READ_ACK_REGISTER_ADDRESS_OFFSET(hest_start, 0),
+ ACPI_GHES_ADDRESS_SIZE, ACPI_GHES_ERRORS_FW_CFG_FILE,
+ (ACPI_GHES_ERROR_SOURCE_COUNT + source_id) * ACPI_GHES_ADDRESS_SIZE);
+
+ /*
+ * Read Ack Preserve
+ * We only provide the first bit in Read Ack Register to OSPM to write
+ * while the other bits are preserved.
+ */
+ build_append_int_noprefix(table_data, ~0x1LL, 8);
+ /* Read Ack Write */
+ build_append_int_noprefix(table_data, 0x1, 8);
+
+ build_header(linker, table_data, (void *)(table_data->data + hest_start),
+ "HEST", table_data->len - hest_start, 1, NULL, "GHES");
+}
+
+static AcpiGhesState ges;
+void acpi_ghes_add_fw_cfg(FWCfgState *s, GArray *hardware_error)
+{
+
+ size_t size = 2 * ACPI_GHES_ADDRESS_SIZE + ACPI_GHES_MAX_RAW_DATA_LENGTH;
+ size_t request_block_size = ACPI_GHES_ERROR_SOURCE_COUNT * size;
+
+ /* Create a read-only fw_cfg file for GHES */
+ fw_cfg_add_file(s, ACPI_GHES_ERRORS_FW_CFG_FILE, hardware_error->data,
+ request_block_size);
+
+ /* Create a read-write fw_cfg file for Address */
+ fw_cfg_add_file_callback(s, ACPI_GHES_DATA_ADDR_FW_CFG_FILE, NULL, NULL,
+ NULL, &ges.ghes_addr_le, sizeof(ges.ghes_addr_le), false);
+}
@@ -1578,6 +1578,7 @@ void acpi_build_tables_init(AcpiBuildTables *tables)
tables->table_data = g_array_new(false, true /* clear */, 1);
tables->tcpalog = g_array_new(false, true /* clear */, 1);
tables->vmgenid = g_array_new(false, true /* clear */, 1);
+ tables->hardware_errors = g_array_new(false, true /* clear */, 1);
tables->linker = bios_linker_loader_init();
}
@@ -1588,6 +1589,7 @@ void acpi_build_tables_cleanup(AcpiBuildTables *tables, bool mfre)
g_array_free(tables->table_data, true);
g_array_free(tables->tcpalog, mfre);
g_array_free(tables->vmgenid, mfre);
+ g_array_free(tables->hardware_errors, mfre);
}
/*
@@ -46,6 +46,7 @@
#include "sysemu/reset.h"
#include "kvm_arm.h"
#include "migration/vmstate.h"
+#include "hw/acpi/acpi_ghes.h"
#define ARM_SPI_BASE 32
#define ACPI_POWER_BUTTON_DEVICE "PWRB"
@@ -796,6 +797,13 @@ void virt_acpi_build(VirtMachineState *vms, AcpiBuildTables *tables)
acpi_add_table(table_offsets, tables_blob);
build_spcr(tables_blob, tables->linker, vms);
+ if (vms->ras) {
+ acpi_add_table(table_offsets, tables_blob);
+ acpi_ghes_build_error_table(tables->hardware_errors, tables->linker);
+ acpi_ghes_build_hest(tables_blob, tables->hardware_errors,
+ tables->linker);
+ }
+
if (ms->numa_state->num_nodes > 0) {
acpi_add_table(table_offsets, tables_blob);
build_srat(tables_blob, tables->linker, vms);
@@ -913,6 +921,10 @@ void virt_acpi_setup(VirtMachineState *vms)
fw_cfg_add_file(vms->fw_cfg, ACPI_BUILD_TPMLOG_FILE, tables.tcpalog->data,
acpi_data_len(tables.tcpalog));
+ if (vms->ras) {
+ acpi_ghes_add_fw_cfg(vms->fw_cfg, tables.hardware_errors);
+ }
+
build_state->rsdp_mr = acpi_add_rom_blob(virt_acpi_build_update,
build_state, tables.rsdp,
ACPI_BUILD_RSDP_FILE, 0);
new file mode 100644
@@ -0,0 +1,106 @@
+/*
+ * Support for generating APEI tables and recording CPER for Guests
+ *
+ * Copyright (c) 2019 HUAWEI TECHNOLOGIES CO., LTD.
+ *
+ * Author: Dongjiu Geng <gengdongjiu@huawei.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+
+ * This program 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 General Public License for more details.
+
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef ACPI_GHES_H
+#define ACPI_GHES_H
+
+#include "hw/acpi/bios-linker-loader.h"
+
+#define ACPI_GHES_ERRORS_FW_CFG_FILE "etc/hardware_errors"
+#define ACPI_GHES_DATA_ADDR_FW_CFG_FILE "etc/hardware_errors_addr"
+
+/*
+ * The size of Address field in Generic Address Structure.
+ * ACPI 2.0/3.0: 5.2.3.1 Generic Address Structure.
+ */
+#define ACPI_GHES_ADDRESS_SIZE 8
+
+/* The max size in bytes for one error block */
+#define ACPI_GHES_MAX_RAW_DATA_LENGTH 0x1000
+
+/*
+ * Now only support ARMv8 SEA notification type error source
+ */
+#define ACPI_GHES_ERROR_SOURCE_COUNT 1
+
+/*
+ * Generic Hardware Error Source version 2
+ */
+#define ACPI_GHES_SOURCE_GENERIC_ERROR_V2 10
+
+/*
+ * Values for Hardware Error Notification Type field
+ */
+enum AcpiGhesNotifyType {
+ ACPI_GHES_NOTIFY_POLLED = 0, /* Polled */
+ ACPI_GHES_NOTIFY_EXTERNAL = 1, /* External Interrupt */
+ ACPI_GHES_NOTIFY_LOCAL = 2, /* Local Interrupt */
+ ACPI_GHES_NOTIFY_SCI = 3, /* SCI */
+ ACPI_GHES_NOTIFY_NMI = 4, /* NMI */
+ ACPI_GHES_NOTIFY_CMCI = 5, /* CMCI, ACPI 5.0: 18.3.2.7, Table 18-290 */
+ ACPI_GHES_NOTIFY_MCE = 6, /* MCE, ACPI 5.0: 18.3.2.7, Table 18-290 */
+ /* GPIO-Signal, ACPI 6.0: 18.3.2.7, Table 18-332 */
+ ACPI_GHES_NOTIFY_GPIO = 7,
+ /* ARMv8 SEA, ACPI 6.1: 18.3.2.9, Table 18-345 */
+ ACPI_GHES_NOTIFY_SEA = 8,
+ /* ARMv8 SEI, ACPI 6.1: 18.3.2.9, Table 18-345 */
+ ACPI_GHES_NOTIFY_SEI = 9,
+ /* External Interrupt - GSIV, ACPI 6.1: 18.3.2.9, Table 18-345 */
+ ACPI_GHES_NOTIFY_GSIV = 10,
+ /* Software Delegated Exception, ACPI 6.2: 18.3.2.9, Table 18-383 */
+ ACPI_GHES_NOTIFY_SDEI = 11,
+ ACPI_GHES_NOTIFY_RESERVED = 12 /* 12 and greater are reserved */
+};
+
+/*
+ * | +--------------------------+ 0
+ * | | Header |
+ * | +--------------------------+ 40---+-
+ * | | ................. | |
+ * | | error_status_address-----+ 60 |
+ * | | ................. | |
+ * | | read_ack_register--------+ 104 92
+ * | | read_ack_preserve | |
+ * | | read_ack_write | |
+ * + +--------------------------+ 132--+-
+ *
+ * From above GHES definition, the error status address offset is 60;
+ * the Read Ack Register offset is 104, the whole size of GHESv2 is 92
+ */
+
+/* The error status address offset in GHES */
+#define ACPI_GHES_ERROR_STATUS_ADDRESS_OFFSET(start_addr, n) (start_addr + \
+ 60 + offsetof(struct AcpiGenericAddress, address) + n * 92)
+
+/* The Read Ack Register offset in GHES */
+#define ACPI_GHES_READ_ACK_REGISTER_ADDRESS_OFFSET(start_addr, n) (start_addr +\
+ 104 + offsetof(struct AcpiGenericAddress, address) + n * 92)
+
+typedef struct AcpiGhesState {
+ uint64_t ghes_addr_le;
+} AcpiGhesState;
+
+void acpi_ghes_build_hest(GArray *table_data, GArray *hardware_error,
+ BIOSLinker *linker);
+
+void acpi_ghes_build_error_table(GArray *hardware_errors, BIOSLinker *linker);
+void acpi_ghes_add_fw_cfg(FWCfgState *s, GArray *hardware_errors);
+#endif
@@ -220,6 +220,7 @@ struct AcpiBuildTables {
GArray *rsdp;
GArray *tcpalog;
GArray *vmgenid;
+ GArray *hardware_errors;
BIOSLinker *linker;
} AcpiBuildTables;