1 files changed, 84 insertions, 0 deletions
diff --git a/include/hw/acpi/ghes.h b/include/hw/acpi/ghes.h
new file mode 100644
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+++ b/include/hw/acpi/ghes.h
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+/*
+ * Support for generating APEI tables and recording CPER for Guests
+ *
+ * Copyright (c) 2020 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"
+
+/*
+ * 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,
+};
+
+typedef struct AcpiGhesState {
+    uint64_t ghes_addr_le;
+    bool present; /* True if GHES is present at all on this board */
+} AcpiGhesState;
+
+void build_ghes_error_table(GArray *hardware_errors, BIOSLinker *linker);
+void acpi_build_hest(GArray *table_data, BIOSLinker *linker,
+                     const char *oem_id, const char *oem_table_id);
+void acpi_ghes_add_fw_cfg(AcpiGhesState *vms, FWCfgState *s,
+                          GArray *hardware_errors);
+int acpi_ghes_record_errors(uint8_t notify, uint64_t error_physical_addr);
+
+/**
+ * acpi_ghes_present: Report whether ACPI GHES table is present
+ *
+ * Returns: true if the system has an ACPI GHES table and it is
+ * safe to call acpi_ghes_record_errors() to record a memory error.
+ */
+bool acpi_ghes_present(void);
+#endif