1 files changed, 74 insertions, 0 deletions
diff --git a/roms/skiboot/external/gard/gard.h b/roms/skiboot/external/gard/gard.h
new file mode 100644
index 000000000..d59c2a0de
--- /dev/null
+++ b/roms/skiboot/external/gard/gard.h
@@ -0,0 +1,74 @@
+// SPDX-License-Identifier: Apache-2.0 OR GPL-2.0-or-later
+/* Copyright 2013-2017 IBM Corp.
+ */
+
+#include <stdint.h>
+
+#define MAX_PATH_ELEMENTS 10
+#define PATH_TYPE_SHIFT 4
+#define PATH_ELEMENTS_MASK (0x0F)
+
+/*
+ * Sourced from hostboot: src/include/usr/hwas/common/hwasCallout.H
+ */
+enum gard_reason {
+	GARD_NO_REASON = 0x0,
+	GARD_MANUAL = 0xD2,
+	GARD_UNRECOVERABLE = 0xE2,
+	GARD_FATAL = 0xE3,
+	GARD_PREDICTIVE = 0xE6,
+	GARD_POWER = 0xE9,
+	GARD_HYP = 0xEA,
+	GARD_RECONFIG = 0xEB,
+
+	/*
+	 * This should only occur if the GUARD partition isn't correctly
+	 * programmed with ECC bits.
+	 */
+	GARD_VOID = 0xFF,
+};
+
+/* see src/include/usr/targeting/common/entitypath.H */
+enum path_type {
+	PATH_NA			= 0x00,
+	PATH_AFFINITY		= 0x01,
+	PATH_PHYSICAL		= 0x02,
+	PATH_DEVICE		= 0x03,
+	PATH_POWER		= 0x04,
+};
+
+struct path_element {
+	uint8_t		target_type;
+	uint8_t		instance;
+} __attribute__((packed));
+
+struct entity_path {
+	/* First 4 bits are a path_type enum */
+	/* Second 4 bits are the amount of path_elements */
+	uint8_t			type_size;
+	struct path_element	path_elements[MAX_PATH_ELEMENTS];
+
+} __attribute__((packed));
+
+/* From hostboot: src/include/usr/hwas/common/deconfigGard.H:GardRecord */
+struct gard_record {
+	uint32_t		record_id;
+	struct entity_path	target_id;
+	uint8_t			pad0[3]; /* compiler dependent padding */
+	uint32_t		errlog_eid;
+	uint8_t			error_type;
+	uint8_t			resource_recovery;
+	uint8_t			pad1[6];
+} __attribute__((packed));
+
+#define MAX_PATH_SIZE 420
+
+struct chip_unit_desc {
+	int type;
+	const char *desc;
+};
+
+extern const struct chip_unit_desc *chip_units;
+extern const struct chip_unit_desc p8_chip_units[];
+extern const struct chip_unit_desc p9_chip_units[];
+extern const struct chip_unit_desc p10_chip_units[];