1/* SPDX-License-Identifier: GPL-2.0-only */
2/*
3 * UEFI Common Platform Error Record
4 *
5 * Copyright (C) 2010, Intel Corp.
6 *	Author: Huang Ying <ying.huang@intel.com>
7 */
8
9#ifndef LINUX_CPER_H
10#define LINUX_CPER_H
11
12#include <linux/uuid.h>
13#include <linux/trace_seq.h>
14
15/* CPER record signature and the size */
16#define CPER_SIG_RECORD				"CPER"
17#define CPER_SIG_SIZE				4
18/* Used in signature_end field in struct cper_record_header */
19#define CPER_SIG_END				0xffffffff
20
21/*
22 * CPER record header revision, used in revision field in struct
23 * cper_record_header
24 */
25#define CPER_RECORD_REV				0x0100
26
27/*
28 * CPER record length contains the CPER fields which are relevant for further
29 * handling of a memory error in userspace (we don't carry all the fields
30 * defined in the UEFI spec because some of them don't make any sense.)
31 * Currently, a length of 256 should be more than enough.
32 */
33#define CPER_REC_LEN					256
34/*
35 * Severity definition for error_severity in struct cper_record_header
36 * and section_severity in struct cper_section_descriptor
37 */
38enum {
39	CPER_SEV_RECOVERABLE,
40	CPER_SEV_FATAL,
41	CPER_SEV_CORRECTED,
42	CPER_SEV_INFORMATIONAL,
43};
44
45/*
46 * Validation bits definition for validation_bits in struct
47 * cper_record_header. If set, corresponding fields in struct
48 * cper_record_header contain valid information.
49 */
50#define CPER_VALID_PLATFORM_ID			0x0001
51#define CPER_VALID_TIMESTAMP			0x0002
52#define CPER_VALID_PARTITION_ID			0x0004
53
54/*
55 * Notification type used to generate error record, used in
56 * notification_type in struct cper_record_header.  These UUIDs are defined
57 * in the UEFI spec v2.7, sec N.2.1.
58 */
59
60/* Corrected Machine Check */
61#define CPER_NOTIFY_CMC							\
62	GUID_INIT(0x2DCE8BB1, 0xBDD7, 0x450e, 0xB9, 0xAD, 0x9C, 0xF4,	\
63		  0xEB, 0xD4, 0xF8, 0x90)
64/* Corrected Platform Error */
65#define CPER_NOTIFY_CPE							\
66	GUID_INIT(0x4E292F96, 0xD843, 0x4a55, 0xA8, 0xC2, 0xD4, 0x81,	\
67		  0xF2, 0x7E, 0xBE, 0xEE)
68/* Machine Check Exception */
69#define CPER_NOTIFY_MCE							\
70	GUID_INIT(0xE8F56FFE, 0x919C, 0x4cc5, 0xBA, 0x88, 0x65, 0xAB,	\
71		  0xE1, 0x49, 0x13, 0xBB)
72/* PCI Express Error */
73#define CPER_NOTIFY_PCIE						\
74	GUID_INIT(0xCF93C01F, 0x1A16, 0x4dfc, 0xB8, 0xBC, 0x9C, 0x4D,	\
75		  0xAF, 0x67, 0xC1, 0x04)
76/* INIT Record (for IPF) */
77#define CPER_NOTIFY_INIT						\
78	GUID_INIT(0xCC5263E8, 0x9308, 0x454a, 0x89, 0xD0, 0x34, 0x0B,	\
79		  0xD3, 0x9B, 0xC9, 0x8E)
80/* Non-Maskable Interrupt */
81#define CPER_NOTIFY_NMI							\
82	GUID_INIT(0x5BAD89FF, 0xB7E6, 0x42c9, 0x81, 0x4A, 0xCF, 0x24,	\
83		  0x85, 0xD6, 0xE9, 0x8A)
84/* BOOT Error Record */
85#define CPER_NOTIFY_BOOT						\
86	GUID_INIT(0x3D61A466, 0xAB40, 0x409a, 0xA6, 0x98, 0xF3, 0x62,	\
87		  0xD4, 0x64, 0xB3, 0x8F)
88/* DMA Remapping Error */
89#define CPER_NOTIFY_DMAR						\
90	GUID_INIT(0x667DD791, 0xC6B3, 0x4c27, 0x8A, 0x6B, 0x0F, 0x8E,	\
91		  0x72, 0x2D, 0xEB, 0x41)
92
93/* CXL Event record UUIDs are formatted as GUIDs and reported in section type */
94/*
95 * General Media Event Record
96 * CXL rev 3.0 Section 8.2.9.2.1.1; Table 8-43
97 */
98#define CPER_SEC_CXL_GEN_MEDIA_GUID					\
99	GUID_INIT(0xfbcd0a77, 0xc260, 0x417f,				\
100		  0x85, 0xa9, 0x08, 0x8b, 0x16, 0x21, 0xeb, 0xa6)
101/*
102 * DRAM Event Record
103 * CXL rev 3.0 section 8.2.9.2.1.2; Table 8-44
104 */
105#define CPER_SEC_CXL_DRAM_GUID						\
106	GUID_INIT(0x601dcbb3, 0x9c06, 0x4eab,				\
107		  0xb8, 0xaf, 0x4e, 0x9b, 0xfb, 0x5c, 0x96, 0x24)
108/*
109 * Memory Module Event Record
110 * CXL rev 3.0 section 8.2.9.2.1.3; Table 8-45
111 */
112#define CPER_SEC_CXL_MEM_MODULE_GUID					\
113	GUID_INIT(0xfe927475, 0xdd59, 0x4339,				\
114		  0xa5, 0x86, 0x79, 0xba, 0xb1, 0x13, 0xb7, 0x74)
115
116/*
117 * Flags bits definitions for flags in struct cper_record_header
118 * If set, the error has been recovered
119 */
120#define CPER_HW_ERROR_FLAGS_RECOVERED		0x1
121/* If set, the error is for previous boot */
122#define CPER_HW_ERROR_FLAGS_PREVERR		0x2
123/* If set, the error is injected for testing */
124#define CPER_HW_ERROR_FLAGS_SIMULATED		0x4
125
126/*
127 * CPER section header revision, used in revision field in struct
128 * cper_section_descriptor
129 */
130#define CPER_SEC_REV				0x0100
131
132/*
133 * Validation bits definition for validation_bits in struct
134 * cper_section_descriptor. If set, corresponding fields in struct
135 * cper_section_descriptor contain valid information.
136 */
137#define CPER_SEC_VALID_FRU_ID			0x1
138#define CPER_SEC_VALID_FRU_TEXT			0x2
139
140/*
141 * Flags bits definitions for flags in struct cper_section_descriptor
142 *
143 * If set, the section is associated with the error condition
144 * directly, and should be focused on
145 */
146#define CPER_SEC_PRIMARY			0x0001
147/*
148 * If set, the error was not contained within the processor or memory
149 * hierarchy and the error may have propagated to persistent storage
150 * or network
151 */
152#define CPER_SEC_CONTAINMENT_WARNING		0x0002
153/* If set, the component must be re-initialized or re-enabled prior to use */
154#define CPER_SEC_RESET				0x0004
155/* If set, Linux may choose to discontinue use of the resource */
156#define CPER_SEC_ERROR_THRESHOLD_EXCEEDED	0x0008
157/*
158 * If set, resource could not be queried for error information due to
159 * conflicts with other system software or resources. Some fields of
160 * the section will be invalid
161 */
162#define CPER_SEC_RESOURCE_NOT_ACCESSIBLE	0x0010
163/*
164 * If set, action has been taken to ensure error containment (such as
165 * poisoning data), but the error has not been fully corrected and the
166 * data has not been consumed. Linux may choose to take further
167 * corrective action before the data is consumed
168 */
169#define CPER_SEC_LATENT_ERROR			0x0020
170
171/*
172 * Section type definitions, used in section_type field in struct
173 * cper_section_descriptor.  These UUIDs are defined in the UEFI spec
174 * v2.7, sec N.2.2.
175 */
176
177/* Processor Generic */
178#define CPER_SEC_PROC_GENERIC						\
179	GUID_INIT(0x9876CCAD, 0x47B4, 0x4bdb, 0xB6, 0x5E, 0x16, 0xF1,	\
180		  0x93, 0xC4, 0xF3, 0xDB)
181/* Processor Specific: X86/X86_64 */
182#define CPER_SEC_PROC_IA						\
183	GUID_INIT(0xDC3EA0B0, 0xA144, 0x4797, 0xB9, 0x5B, 0x53, 0xFA,	\
184		  0x24, 0x2B, 0x6E, 0x1D)
185/* Processor Specific: IA64 */
186#define CPER_SEC_PROC_IPF						\
187	GUID_INIT(0xE429FAF1, 0x3CB7, 0x11D4, 0x0B, 0xCA, 0x07, 0x00,	\
188		  0x80, 0xC7, 0x3C, 0x88, 0x81)
189/* Processor Specific: ARM */
190#define CPER_SEC_PROC_ARM						\
191	GUID_INIT(0xE19E3D16, 0xBC11, 0x11E4, 0x9C, 0xAA, 0xC2, 0x05,	\
192		  0x1D, 0x5D, 0x46, 0xB0)
193/* Platform Memory */
194#define CPER_SEC_PLATFORM_MEM						\
195	GUID_INIT(0xA5BC1114, 0x6F64, 0x4EDE, 0xB8, 0x63, 0x3E, 0x83,	\
196		  0xED, 0x7C, 0x83, 0xB1)
197#define CPER_SEC_PCIE							\
198	GUID_INIT(0xD995E954, 0xBBC1, 0x430F, 0xAD, 0x91, 0xB4, 0x4D,	\
199		  0xCB, 0x3C, 0x6F, 0x35)
200/* Firmware Error Record Reference */
201#define CPER_SEC_FW_ERR_REC_REF						\
202	GUID_INIT(0x81212A96, 0x09ED, 0x4996, 0x94, 0x71, 0x8D, 0x72,	\
203		  0x9C, 0x8E, 0x69, 0xED)
204/* PCI/PCI-X Bus */
205#define CPER_SEC_PCI_X_BUS						\
206	GUID_INIT(0xC5753963, 0x3B84, 0x4095, 0xBF, 0x78, 0xED, 0xDA,	\
207		  0xD3, 0xF9, 0xC9, 0xDD)
208/* PCI Component/Device */
209#define CPER_SEC_PCI_DEV						\
210	GUID_INIT(0xEB5E4685, 0xCA66, 0x4769, 0xB6, 0xA2, 0x26, 0x06,	\
211		  0x8B, 0x00, 0x13, 0x26)
212#define CPER_SEC_DMAR_GENERIC						\
213	GUID_INIT(0x5B51FEF7, 0xC79D, 0x4434, 0x8F, 0x1B, 0xAA, 0x62,	\
214		  0xDE, 0x3E, 0x2C, 0x64)
215/* Intel VT for Directed I/O specific DMAr */
216#define CPER_SEC_DMAR_VT						\
217	GUID_INIT(0x71761D37, 0x32B2, 0x45cd, 0xA7, 0xD0, 0xB0, 0xFE,	\
218		  0xDD, 0x93, 0xE8, 0xCF)
219/* IOMMU specific DMAr */
220#define CPER_SEC_DMAR_IOMMU						\
221	GUID_INIT(0x036F84E1, 0x7F37, 0x428c, 0xA7, 0x9E, 0x57, 0x5F,	\
222		  0xDF, 0xAA, 0x84, 0xEC)
223
224#define CPER_PROC_VALID_TYPE			0x0001
225#define CPER_PROC_VALID_ISA			0x0002
226#define CPER_PROC_VALID_ERROR_TYPE		0x0004
227#define CPER_PROC_VALID_OPERATION		0x0008
228#define CPER_PROC_VALID_FLAGS			0x0010
229#define CPER_PROC_VALID_LEVEL			0x0020
230#define CPER_PROC_VALID_VERSION			0x0040
231#define CPER_PROC_VALID_BRAND_INFO		0x0080
232#define CPER_PROC_VALID_ID			0x0100
233#define CPER_PROC_VALID_TARGET_ADDRESS		0x0200
234#define CPER_PROC_VALID_REQUESTOR_ID		0x0400
235#define CPER_PROC_VALID_RESPONDER_ID		0x0800
236#define CPER_PROC_VALID_IP			0x1000
237
238#define CPER_MEM_VALID_ERROR_STATUS		0x0001
239#define CPER_MEM_VALID_PA			0x0002
240#define CPER_MEM_VALID_PA_MASK			0x0004
241#define CPER_MEM_VALID_NODE			0x0008
242#define CPER_MEM_VALID_CARD			0x0010
243#define CPER_MEM_VALID_MODULE			0x0020
244#define CPER_MEM_VALID_BANK			0x0040
245#define CPER_MEM_VALID_DEVICE			0x0080
246#define CPER_MEM_VALID_ROW			0x0100
247#define CPER_MEM_VALID_COLUMN			0x0200
248#define CPER_MEM_VALID_BIT_POSITION		0x0400
249#define CPER_MEM_VALID_REQUESTOR_ID		0x0800
250#define CPER_MEM_VALID_RESPONDER_ID		0x1000
251#define CPER_MEM_VALID_TARGET_ID		0x2000
252#define CPER_MEM_VALID_ERROR_TYPE		0x4000
253#define CPER_MEM_VALID_RANK_NUMBER		0x8000
254#define CPER_MEM_VALID_CARD_HANDLE		0x10000
255#define CPER_MEM_VALID_MODULE_HANDLE		0x20000
256#define CPER_MEM_VALID_ROW_EXT			0x40000
257#define CPER_MEM_VALID_BANK_GROUP		0x80000
258#define CPER_MEM_VALID_BANK_ADDRESS		0x100000
259#define CPER_MEM_VALID_CHIP_ID			0x200000
260
261#define CPER_MEM_EXT_ROW_MASK			0x3
262#define CPER_MEM_EXT_ROW_SHIFT			16
263
264#define CPER_MEM_BANK_ADDRESS_MASK		0xff
265#define CPER_MEM_BANK_GROUP_SHIFT		8
266
267#define CPER_MEM_CHIP_ID_SHIFT			5
268
269#define CPER_PCIE_VALID_PORT_TYPE		0x0001
270#define CPER_PCIE_VALID_VERSION			0x0002
271#define CPER_PCIE_VALID_COMMAND_STATUS		0x0004
272#define CPER_PCIE_VALID_DEVICE_ID		0x0008
273#define CPER_PCIE_VALID_SERIAL_NUMBER		0x0010
274#define CPER_PCIE_VALID_BRIDGE_CONTROL_STATUS	0x0020
275#define CPER_PCIE_VALID_CAPABILITY		0x0040
276#define CPER_PCIE_VALID_AER_INFO		0x0080
277
278#define CPER_PCIE_SLOT_SHIFT			3
279
280#define CPER_ARM_VALID_MPIDR			BIT(0)
281#define CPER_ARM_VALID_AFFINITY_LEVEL		BIT(1)
282#define CPER_ARM_VALID_RUNNING_STATE		BIT(2)
283#define CPER_ARM_VALID_VENDOR_INFO		BIT(3)
284
285#define CPER_ARM_INFO_VALID_MULTI_ERR		BIT(0)
286#define CPER_ARM_INFO_VALID_FLAGS		BIT(1)
287#define CPER_ARM_INFO_VALID_ERR_INFO		BIT(2)
288#define CPER_ARM_INFO_VALID_VIRT_ADDR		BIT(3)
289#define CPER_ARM_INFO_VALID_PHYSICAL_ADDR	BIT(4)
290
291#define CPER_ARM_INFO_FLAGS_FIRST		BIT(0)
292#define CPER_ARM_INFO_FLAGS_LAST		BIT(1)
293#define CPER_ARM_INFO_FLAGS_PROPAGATED		BIT(2)
294#define CPER_ARM_INFO_FLAGS_OVERFLOW		BIT(3)
295
296#define CPER_ARM_CACHE_ERROR			0
297#define CPER_ARM_TLB_ERROR			1
298#define CPER_ARM_BUS_ERROR			2
299#define CPER_ARM_VENDOR_ERROR			3
300#define CPER_ARM_MAX_TYPE			CPER_ARM_VENDOR_ERROR
301
302#define CPER_ARM_ERR_VALID_TRANSACTION_TYPE	BIT(0)
303#define CPER_ARM_ERR_VALID_OPERATION_TYPE	BIT(1)
304#define CPER_ARM_ERR_VALID_LEVEL		BIT(2)
305#define CPER_ARM_ERR_VALID_PROC_CONTEXT_CORRUPT	BIT(3)
306#define CPER_ARM_ERR_VALID_CORRECTED		BIT(4)
307#define CPER_ARM_ERR_VALID_PRECISE_PC		BIT(5)
308#define CPER_ARM_ERR_VALID_RESTARTABLE_PC	BIT(6)
309#define CPER_ARM_ERR_VALID_PARTICIPATION_TYPE	BIT(7)
310#define CPER_ARM_ERR_VALID_TIME_OUT		BIT(8)
311#define CPER_ARM_ERR_VALID_ADDRESS_SPACE	BIT(9)
312#define CPER_ARM_ERR_VALID_MEM_ATTRIBUTES	BIT(10)
313#define CPER_ARM_ERR_VALID_ACCESS_MODE		BIT(11)
314
315#define CPER_ARM_ERR_TRANSACTION_SHIFT		16
316#define CPER_ARM_ERR_TRANSACTION_MASK		GENMASK(1,0)
317#define CPER_ARM_ERR_OPERATION_SHIFT		18
318#define CPER_ARM_ERR_OPERATION_MASK		GENMASK(3,0)
319#define CPER_ARM_ERR_LEVEL_SHIFT		22
320#define CPER_ARM_ERR_LEVEL_MASK			GENMASK(2,0)
321#define CPER_ARM_ERR_PC_CORRUPT_SHIFT		25
322#define CPER_ARM_ERR_PC_CORRUPT_MASK		GENMASK(0,0)
323#define CPER_ARM_ERR_CORRECTED_SHIFT		26
324#define CPER_ARM_ERR_CORRECTED_MASK		GENMASK(0,0)
325#define CPER_ARM_ERR_PRECISE_PC_SHIFT		27
326#define CPER_ARM_ERR_PRECISE_PC_MASK		GENMASK(0,0)
327#define CPER_ARM_ERR_RESTARTABLE_PC_SHIFT	28
328#define CPER_ARM_ERR_RESTARTABLE_PC_MASK	GENMASK(0,0)
329#define CPER_ARM_ERR_PARTICIPATION_TYPE_SHIFT	29
330#define CPER_ARM_ERR_PARTICIPATION_TYPE_MASK	GENMASK(1,0)
331#define CPER_ARM_ERR_TIME_OUT_SHIFT		31
332#define CPER_ARM_ERR_TIME_OUT_MASK		GENMASK(0,0)
333#define CPER_ARM_ERR_ADDRESS_SPACE_SHIFT	32
334#define CPER_ARM_ERR_ADDRESS_SPACE_MASK		GENMASK(1,0)
335#define CPER_ARM_ERR_MEM_ATTRIBUTES_SHIFT	34
336#define CPER_ARM_ERR_MEM_ATTRIBUTES_MASK	GENMASK(8,0)
337#define CPER_ARM_ERR_ACCESS_MODE_SHIFT		43
338#define CPER_ARM_ERR_ACCESS_MODE_MASK		GENMASK(0,0)
339
340/*
341 * All tables and structs must be byte-packed to match CPER
342 * specification, since the tables are provided by the system BIOS
343 */
344#pragma pack(1)
345
346/* Record Header, UEFI v2.7 sec N.2.1 */
347struct cper_record_header {
348	char	signature[CPER_SIG_SIZE];	/* must be CPER_SIG_RECORD */
349	u16	revision;			/* must be CPER_RECORD_REV */
350	u32	signature_end;			/* must be CPER_SIG_END */
351	u16	section_count;
352	u32	error_severity;
353	u32	validation_bits;
354	u32	record_length;
355	u64	timestamp;
356	guid_t	platform_id;
357	guid_t	partition_id;
358	guid_t	creator_id;
359	guid_t	notification_type;
360	u64	record_id;
361	u32	flags;
362	u64	persistence_information;
363	u8	reserved[12];			/* must be zero */
364};
365
366/* Section Descriptor, UEFI v2.7 sec N.2.2 */
367struct cper_section_descriptor {
368	u32	section_offset;		/* Offset in bytes of the
369					 *  section body from the base
370					 *  of the record header */
371	u32	section_length;
372	u16	revision;		/* must be CPER_RECORD_REV */
373	u8	validation_bits;
374	u8	reserved;		/* must be zero */
375	u32	flags;
376	guid_t	section_type;
377	guid_t	fru_id;
378	u32	section_severity;
379	u8	fru_text[20];
380};
381
382/* Generic Processor Error Section, UEFI v2.7 sec N.2.4.1 */
383struct cper_sec_proc_generic {
384	u64	validation_bits;
385	u8	proc_type;
386	u8	proc_isa;
387	u8	proc_error_type;
388	u8	operation;
389	u8	flags;
390	u8	level;
391	u16	reserved;
392	u64	cpu_version;
393	char	cpu_brand[128];
394	u64	proc_id;
395	u64	target_addr;
396	u64	requestor_id;
397	u64	responder_id;
398	u64	ip;
399};
400
401/* IA32/X64 Processor Error Section, UEFI v2.7 sec N.2.4.2 */
402struct cper_sec_proc_ia {
403	u64	validation_bits;
404	u64	lapic_id;
405	u8	cpuid[48];
406};
407
408/* IA32/X64 Processor Error Information Structure, UEFI v2.7 sec N.2.4.2.1 */
409struct cper_ia_err_info {
410	guid_t	err_type;
411	u64	validation_bits;
412	u64	check_info;
413	u64	target_id;
414	u64	requestor_id;
415	u64	responder_id;
416	u64	ip;
417};
418
419/* IA32/X64 Processor Context Information Structure, UEFI v2.7 sec N.2.4.2.2 */
420struct cper_ia_proc_ctx {
421	u16	reg_ctx_type;
422	u16	reg_arr_size;
423	u32	msr_addr;
424	u64	mm_reg_addr;
425};
426
427/* ARM Processor Error Section, UEFI v2.7 sec N.2.4.4 */
428struct cper_sec_proc_arm {
429	u32	validation_bits;
430	u16	err_info_num;		/* Number of Processor Error Info */
431	u16	context_info_num;	/* Number of Processor Context Info Records*/
432	u32	section_length;
433	u8	affinity_level;
434	u8	reserved[3];		/* must be zero */
435	u64	mpidr;
436	u64	midr;
437	u32	running_state;		/* Bit 0 set - Processor running. PSCI = 0 */
438	u32	psci_state;
439};
440
441/* ARM Processor Error Information Structure, UEFI v2.7 sec N.2.4.4.1 */
442struct cper_arm_err_info {
443	u8	version;
444	u8	length;
445	u16	validation_bits;
446	u8	type;
447	u16	multiple_error;
448	u8	flags;
449	u64	error_info;
450	u64	virt_fault_addr;
451	u64	physical_fault_addr;
452};
453
454/* ARM Processor Context Information Structure, UEFI v2.7 sec N.2.4.4.2 */
455struct cper_arm_ctx_info {
456	u16	version;
457	u16	type;
458	u32	size;
459};
460
461/* Old Memory Error Section, UEFI v2.1, v2.2 */
462struct cper_sec_mem_err_old {
463	u64	validation_bits;
464	u64	error_status;
465	u64	physical_addr;
466	u64	physical_addr_mask;
467	u16	node;
468	u16	card;
469	u16	module;
470	u16	bank;
471	u16	device;
472	u16	row;
473	u16	column;
474	u16	bit_pos;
475	u64	requestor_id;
476	u64	responder_id;
477	u64	target_id;
478	u8	error_type;
479};
480
481/* Memory Error Section (UEFI >= v2.3), UEFI v2.8 sec N.2.5 */
482struct cper_sec_mem_err {
483	u64	validation_bits;
484	u64	error_status;
485	u64	physical_addr;
486	u64	physical_addr_mask;
487	u16	node;
488	u16	card;
489	u16	module;
490	u16	bank;
491	u16	device;
492	u16	row;
493	u16	column;
494	u16	bit_pos;
495	u64	requestor_id;
496	u64	responder_id;
497	u64	target_id;
498	u8	error_type;
499	u8	extended;
500	u16	rank;
501	u16	mem_array_handle;	/* "card handle" in UEFI 2.4 */
502	u16	mem_dev_handle;		/* "module handle" in UEFI 2.4 */
503};
504
505struct cper_mem_err_compact {
506	u64	validation_bits;
507	u16	node;
508	u16	card;
509	u16	module;
510	u16	bank;
511	u16	device;
512	u16	row;
513	u16	column;
514	u16	bit_pos;
515	u64	requestor_id;
516	u64	responder_id;
517	u64	target_id;
518	u16	rank;
519	u16	mem_array_handle;
520	u16	mem_dev_handle;
521	u8      extended;
522};
523
524static inline u32 cper_get_mem_extension(u64 mem_valid, u8 mem_extended)
525{
526	if (!(mem_valid & CPER_MEM_VALID_ROW_EXT))
527		return 0;
528	return (mem_extended & CPER_MEM_EXT_ROW_MASK) << CPER_MEM_EXT_ROW_SHIFT;
529}
530
531/* PCI Express Error Section, UEFI v2.7 sec N.2.7 */
532struct cper_sec_pcie {
533	u64		validation_bits;
534	u32		port_type;
535	struct {
536		u8	minor;
537		u8	major;
538		u8	reserved[2];
539	}		version;
540	u16		command;
541	u16		status;
542	u32		reserved;
543	struct {
544		u16	vendor_id;
545		u16	device_id;
546		u8	class_code[3];
547		u8	function;
548		u8	device;
549		u16	segment;
550		u8	bus;
551		u8	secondary_bus;
552		u16	slot;
553		u8	reserved;
554	}		device_id;
555	struct {
556		u32	lower;
557		u32	upper;
558	}		serial_number;
559	struct {
560		u16	secondary_status;
561		u16	control;
562	}		bridge;
563	u8	capability[60];
564	u8	aer_info[96];
565};
566
567/* Firmware Error Record Reference, UEFI v2.7 sec N.2.10  */
568struct cper_sec_fw_err_rec_ref {
569	u8 record_type;
570	u8 revision;
571	u8 reserved[6];
572	u64 record_identifier;
573	guid_t record_identifier_guid;
574};
575
576/* Reset to default packing */
577#pragma pack()
578
579extern const char *const cper_proc_error_type_strs[4];
580
581u64 cper_next_record_id(void);
582const char *cper_severity_str(unsigned int);
583const char *cper_mem_err_type_str(unsigned int);
584const char *cper_mem_err_status_str(u64 status);
585void cper_print_bits(const char *prefix, unsigned int bits,
586		     const char * const strs[], unsigned int strs_size);
587void cper_mem_err_pack(const struct cper_sec_mem_err *,
588		       struct cper_mem_err_compact *);
589const char *cper_mem_err_unpack(struct trace_seq *,
590				struct cper_mem_err_compact *);
591void cper_print_proc_arm(const char *pfx,
592			 const struct cper_sec_proc_arm *proc);
593void cper_print_proc_ia(const char *pfx,
594			const struct cper_sec_proc_ia *proc);
595int cper_mem_err_location(struct cper_mem_err_compact *mem, char *msg);
596int cper_dimm_err_location(struct cper_mem_err_compact *mem, char *msg);
597
598struct acpi_hest_generic_status;
599void cper_estatus_print(const char *pfx,
600			const struct acpi_hest_generic_status *estatus);
601int cper_estatus_check_header(const struct acpi_hest_generic_status *estatus);
602int cper_estatus_check(const struct acpi_hest_generic_status *estatus);
603
604#endif
605