@@ -23,6 +23,7 @@
#include "qemu/units.h"
#include "hw/acpi/ghes.h"
#include "hw/acpi/aml-build.h"
+#include "qemu/error-report.h"
#define ACPI_GHES_ERRORS_FW_CFG_FILE "etc/hardware_errors"
#define ACPI_GHES_DATA_ADDR_FW_CFG_FILE "etc/hardware_errors_addr"
@@ -33,6 +34,42 @@
/* 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
+
+/* Address offset in Generic Address Structure(GAS) */
+#define GAS_ADDR_OFFSET 4
+
+/*
+ * Hardware Error Notification
+ * ACPI 4.0: 17.3.2.7 Hardware Error Notification
+ * Composes dummy Hardware Error Notification descriptor of specified type
+ */
+static void build_ghes_hw_error_notification(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.
* Initialize "etc/hardware_errors" and "etc/hardware_errors_addr" fw_cfg blobs.
@@ -87,3 +124,92 @@ void build_ghes_error_table(GArray *hardware_errors, BIOSLinker *linker)
bios_linker_loader_write_pointer(linker, ACPI_GHES_DATA_ADDR_FW_CFG_FILE,
0, sizeof(uint64_t), ACPI_GHES_ERRORS_FW_CFG_FILE, 0);
}
+
+/* Build Generic Hardware Error Source version 2 (GHESv2) */
+static void build_ghes_v2(GArray *table_data, int source_id, BIOSLinker *linker)
+{
+ uint64_t address_offset;
+ /*
+ * 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 */
+ 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);
+
+ address_offset = table_data->len;
+ /* Error Status Address */
+ build_append_gas(table_data, AML_AS_SYSTEM_MEMORY, 0x40, 0,
+ 4 /* QWord access */, 0);
+ bios_linker_loader_add_pointer(linker, ACPI_BUILD_TABLE_FILE,
+ address_offset + GAS_ADDR_OFFSET, sizeof(uint64_t),
+ ACPI_GHES_ERRORS_FW_CFG_FILE, source_id * sizeof(uint64_t));
+
+ switch (source_id) {
+ case ACPI_HEST_SRC_ID_SEA:
+ /*
+ * Notification Structure
+ * Now only enable ARMv8 SEA notification type
+ */
+ build_ghes_hw_error_notification(table_data, ACPI_GHES_NOTIFY_SEA);
+ break;
+ default:
+ error_report("Not support this error source");
+ abort();
+ }
+
+ /* 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)
+ */
+ address_offset = table_data->len;
+ build_append_gas(table_data, AML_AS_SYSTEM_MEMORY, 0x40, 0,
+ 4 /* QWord access */, 0);
+ bios_linker_loader_add_pointer(linker, ACPI_BUILD_TABLE_FILE,
+ address_offset + GAS_ADDR_OFFSET,
+ sizeof(uint64_t), ACPI_GHES_ERRORS_FW_CFG_FILE,
+ (ACPI_GHES_ERROR_SOURCE_COUNT + source_id) * sizeof(uint64_t));
+
+ /*
+ * Read Ack Preserve field
+ * 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, ~0x1ULL, 8);
+ /* Read Ack Write */
+ build_append_int_noprefix(table_data, 0x1, 8);
+}
+
+/* Build Hardware Error Source Table */
+void acpi_build_hest(GArray *table_data, BIOSLinker *linker)
+{
+ uint64_t hest_start = table_data->len;
+
+ /* 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);
+
+ build_ghes_v2(table_data, ACPI_HEST_SRC_ID_SEA, linker);
+
+ build_header(linker, table_data, (void *)(table_data->data + hest_start),
+ "HEST", table_data->len - hest_start, 1, NULL, NULL);
+}
@@ -820,6 +820,8 @@ void virt_acpi_build(VirtMachineState *vms, AcpiBuildTables *tables)
if (vms->ras) {
build_ghes_error_table(tables->hardware_errors, tables->linker);
+ acpi_add_table(table_offsets, tables_blob);
+ acpi_build_hest(tables_blob, tables->linker);
}
if (ms->numa_state->num_nodes > 0) {
@@ -24,5 +24,44 @@
#include "hw/acpi/bios-linker-loader.h"
+/*
+ * Values for Hardware Error Notification Type field
+ */
+enum AcpiGhesNotifyType {
+ /* Polled */
+ ACPI_GHES_NOTIFY_POLLED = 0,
+ /* External Interrupt */
+ ACPI_GHES_NOTIFY_EXTERNAL = 1,
+ /* Local Interrupt */
+ ACPI_GHES_NOTIFY_LOCAL = 2,
+ /* SCI */
+ ACPI_GHES_NOTIFY_SCI = 3,
+ /* NMI */
+ ACPI_GHES_NOTIFY_NMI = 4,
+ /* CMCI, ACPI 5.0: 18.3.2.7, Table 18-290 */
+ ACPI_GHES_NOTIFY_CMCI = 5,
+ /* MCE, ACPI 5.0: 18.3.2.7, Table 18-290 */
+ ACPI_GHES_NOTIFY_MCE = 6,
+ /* 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,
+ /* 12 and greater are reserved */
+ ACPI_GHES_NOTIFY_RESERVED = 12
+};
+
+enum {
+ ACPI_HEST_SRC_ID_SEA = 0,
+ /* future ids go here */
+ ACPI_HEST_SRC_ID_RESERVED,
+};
+
void build_ghes_error_table(GArray *hardware_errors, BIOSLinker *linker);
+void acpi_build_hest(GArray *table_data, BIOSLinker *linker);
#endif