[deliverable/linux.git] / arch / x86 / include / asm / mce.h

#ifndef _ASM_X86_MCE_H
#define _ASM_X86_MCE_H

#include <uapi/asm/mce.h>

/*
 * Machine Check support for x86
 */

/* MCG_CAP register defines */
#define MCG_BANKCNT_MASK	0xff         /* Number of Banks */
#define MCG_CTL_P		(1ULL<<8)    /* MCG_CTL register available */
#define MCG_EXT_P		(1ULL<<9)    /* Extended registers available */
#define MCG_CMCI_P		(1ULL<<10)   /* CMCI supported */
#define MCG_EXT_CNT_MASK	0xff0000     /* Number of Extended registers */
#define MCG_EXT_CNT_SHIFT	16
#define MCG_EXT_CNT(c)		(((c) & MCG_EXT_CNT_MASK) >> MCG_EXT_CNT_SHIFT)
#define MCG_SER_P		(1ULL<<24)   /* MCA recovery/new status bits */
#define MCG_ELOG_P		(1ULL<<26)   /* Extended error log supported */
#define MCG_LMCE_P		(1ULL<<27)   /* Local machine check supported */

/* MCG_STATUS register defines */
#define MCG_STATUS_RIPV  (1ULL<<0)   /* restart ip valid */
#define MCG_STATUS_EIPV  (1ULL<<1)   /* ip points to correct instruction */
#define MCG_STATUS_MCIP  (1ULL<<2)   /* machine check in progress */
#define MCG_STATUS_LMCES (1ULL<<3)   /* LMCE signaled */

/* MCG_EXT_CTL register defines */
#define MCG_EXT_CTL_LMCE_EN (1ULL<<0) /* Enable LMCE */

/* MCi_STATUS register defines */
#define MCI_STATUS_VAL   (1ULL<<63)  /* valid error */
#define MCI_STATUS_OVER  (1ULL<<62)  /* previous errors lost */
#define MCI_STATUS_UC    (1ULL<<61)  /* uncorrected error */
#define MCI_STATUS_EN    (1ULL<<60)  /* error enabled */
#define MCI_STATUS_MISCV (1ULL<<59)  /* misc error reg. valid */
#define MCI_STATUS_ADDRV (1ULL<<58)  /* addr reg. valid */
#define MCI_STATUS_PCC   (1ULL<<57)  /* processor context corrupt */
#define MCI_STATUS_S	 (1ULL<<56)  /* Signaled machine check */
#define MCI_STATUS_AR	 (1ULL<<55)  /* Action required */

/* AMD-specific bits */
#define MCI_STATUS_DEFERRED	(1ULL<<44)  /* declare an uncorrected error */
#define MCI_STATUS_POISON	(1ULL<<43)  /* access poisonous data */

/*
 * Note that the full MCACOD field of IA32_MCi_STATUS MSR is
 * bits 15:0.  But bit 12 is the 'F' bit, defined for corrected
 * errors to indicate that errors are being filtered by hardware.
 * We should mask out bit 12 when looking for specific signatures
 * of uncorrected errors - so the F bit is deliberately skipped
 * in this #define.
 */
#define MCACOD		  0xefff     /* MCA Error Code */

/* Architecturally defined codes from SDM Vol. 3B Chapter 15 */
#define MCACOD_SCRUB	0x00C0	/* 0xC0-0xCF Memory Scrubbing */
#define MCACOD_SCRUBMSK	0xeff0	/* Skip bit 12 ('F' bit) */
#define MCACOD_L3WB	0x017A	/* L3 Explicit Writeback */
#define MCACOD_DATA	0x0134	/* Data Load */
#define MCACOD_INSTR	0x0150	/* Instruction Fetch */

/* MCi_MISC register defines */
#define MCI_MISC_ADDR_LSB(m)	((m) & 0x3f)
#define MCI_MISC_ADDR_MODE(m)	(((m) >> 6) & 7)
#define  MCI_MISC_ADDR_SEGOFF	0	/* segment offset */
#define  MCI_MISC_ADDR_LINEAR	1	/* linear address */
#define  MCI_MISC_ADDR_PHYS	2	/* physical address */
#define  MCI_MISC_ADDR_MEM	3	/* memory address */
#define  MCI_MISC_ADDR_GENERIC	7	/* generic */

/* CTL2 register defines */
#define MCI_CTL2_CMCI_EN		(1ULL << 30)
#define MCI_CTL2_CMCI_THRESHOLD_MASK	0x7fffULL

#define MCJ_CTX_MASK		3
#define MCJ_CTX(flags)		((flags) & MCJ_CTX_MASK)
#define MCJ_CTX_RANDOM		0    /* inject context: random */
#define MCJ_CTX_PROCESS		0x1  /* inject context: process */
#define MCJ_CTX_IRQ		0x2  /* inject context: IRQ */
#define MCJ_NMI_BROADCAST	0x4  /* do NMI broadcasting */
#define MCJ_EXCEPTION		0x8  /* raise as exception */
#define MCJ_IRQ_BROADCAST	0x10 /* do IRQ broadcasting */

#define MCE_OVERFLOW 0		/* bit 0 in flags means overflow */

/* Software defined banks */
#define MCE_EXTENDED_BANK	128
#define MCE_THERMAL_BANK	(MCE_EXTENDED_BANK + 0)

#define MCE_LOG_LEN 32
#define MCE_LOG_SIGNATURE	"MACHINECHECK"

/*
 * This structure contains all data related to the MCE log.  Also
 * carries a signature to make it easier to find from external
 * debugging tools.  Each entry is only valid when its finished flag
 * is set.
 */
struct mce_log {
	char signature[12]; /* "MACHINECHECK" */
	unsigned len;	    /* = MCE_LOG_LEN */
	unsigned next;
	unsigned flags;
	unsigned recordlen;	/* length of struct mce */
	struct mce entry[MCE_LOG_LEN];
};

struct mca_config {
	bool dont_log_ce;
	bool cmci_disabled;
	bool lmce_disabled;
	bool ignore_ce;
	bool disabled;
	bool ser;
	bool bios_cmci_threshold;
	u8 banks;
	s8 bootlog;
	int tolerant;
	int monarch_timeout;
	int panic_timeout;
	u32 rip_msr;
};

struct mce_vendor_flags {
	/*
	 * Indicates that overflow conditions are not fatal, when set.
	 */
	__u64 overflow_recov	: 1,

	/*
	 * (AMD) SUCCOR stands for S/W UnCorrectable error COntainment and
	 * Recovery. It indicates support for data poisoning in HW and deferred
	 * error interrupts.
	 */
	      succor		: 1,

	/*
	 * (AMD) SMCA: This bit indicates support for Scalable MCA which expands
	 * the register space for each MCA bank and also increases number of
	 * banks. Also, to accommodate the new banks and registers, the MCA
	 * register space is moved to a new MSR range.
	 */
	      smca		: 1,

	      __reserved_0	: 61;
};
extern struct mce_vendor_flags mce_flags;

extern struct mca_config mca_cfg;
extern void mce_register_decode_chain(struct notifier_block *nb);
extern void mce_unregister_decode_chain(struct notifier_block *nb);

#include <linux/percpu.h>
#include <linux/atomic.h>

extern int mce_p5_enabled;

#ifdef CONFIG_X86_MCE
int mcheck_init(void);
void mcheck_cpu_init(struct cpuinfo_x86 *c);
void mcheck_cpu_clear(struct cpuinfo_x86 *c);
void mcheck_vendor_init_severity(void);
#else
static inline int mcheck_init(void) { return 0; }
static inline void mcheck_cpu_init(struct cpuinfo_x86 *c) {}
static inline void mcheck_cpu_clear(struct cpuinfo_x86 *c) {}
static inline void mcheck_vendor_init_severity(void) {}
#endif

#ifdef CONFIG_X86_ANCIENT_MCE
void intel_p5_mcheck_init(struct cpuinfo_x86 *c);
void winchip_mcheck_init(struct cpuinfo_x86 *c);
static inline void enable_p5_mce(void) { mce_p5_enabled = 1; }
#else
static inline void intel_p5_mcheck_init(struct cpuinfo_x86 *c) {}
static inline void winchip_mcheck_init(struct cpuinfo_x86 *c) {}
static inline void enable_p5_mce(void) {}
#endif

void mce_setup(struct mce *m);
void mce_log(struct mce *m);
DECLARE_PER_CPU(struct device *, mce_device);

/*
 * Maximum banks number.
 * This is the limit of the current register layout on
 * Intel CPUs.
 */
#define MAX_NR_BANKS 32

#ifdef CONFIG_X86_MCE_INTEL
void mce_intel_feature_init(struct cpuinfo_x86 *c);
void mce_intel_feature_clear(struct cpuinfo_x86 *c);
void cmci_clear(void);
void cmci_reenable(void);
void cmci_rediscover(void);
void cmci_recheck(void);
#else
static inline void mce_intel_feature_init(struct cpuinfo_x86 *c) { }
static inline void mce_intel_feature_clear(struct cpuinfo_x86 *c) { }
static inline void cmci_clear(void) {}
static inline void cmci_reenable(void) {}
static inline void cmci_rediscover(void) {}
static inline void cmci_recheck(void) {}
#endif

#ifdef CONFIG_X86_MCE_AMD
void mce_amd_feature_init(struct cpuinfo_x86 *c);
#else
static inline void mce_amd_feature_init(struct cpuinfo_x86 *c) { }
#endif

int mce_available(struct cpuinfo_x86 *c);

DECLARE_PER_CPU(unsigned, mce_exception_count);
DECLARE_PER_CPU(unsigned, mce_poll_count);

typedef DECLARE_BITMAP(mce_banks_t, MAX_NR_BANKS);
DECLARE_PER_CPU(mce_banks_t, mce_poll_banks);

enum mcp_flags {
	MCP_TIMESTAMP	= BIT(0),	/* log time stamp */
	MCP_UC		= BIT(1),	/* log uncorrected errors */
	MCP_DONTLOG	= BIT(2),	/* only clear, don't log */
};
bool machine_check_poll(enum mcp_flags flags, mce_banks_t *b);

int mce_notify_irq(void);

DECLARE_PER_CPU(struct mce, injectm);

extern void register_mce_write_callback(ssize_t (*)(struct file *filp,
				    const char __user *ubuf,
				    size_t usize, loff_t *off));

/* Disable CMCI/polling for MCA bank claimed by firmware */
extern void mce_disable_bank(int bank);

/*
 * Exception handler
 */

/* Call the installed machine check handler for this CPU setup. */
extern void (*machine_check_vector)(struct pt_regs *, long error_code);
void do_machine_check(struct pt_regs *, long);

/*
 * Threshold handler
 */

extern void (*mce_threshold_vector)(void);
extern void (*threshold_cpu_callback)(unsigned long action, unsigned int cpu);

/* Deferred error interrupt handler */
extern void (*deferred_error_int_vector)(void);

/*
 * Thermal handler
 */

void intel_init_thermal(struct cpuinfo_x86 *c);

void mce_log_therm_throt_event(__u64 status);

/* Interrupt Handler for core thermal thresholds */
extern int (*platform_thermal_notify)(__u64 msr_val);

/* Interrupt Handler for package thermal thresholds */
extern int (*platform_thermal_package_notify)(__u64 msr_val);

/* Callback support of rate control, return true, if
 * callback has rate control */
extern bool (*platform_thermal_package_rate_control)(void);

#ifdef CONFIG_X86_THERMAL_VECTOR
extern void mcheck_intel_therm_init(void);
#else
static inline void mcheck_intel_therm_init(void) { }
#endif

/*
 * Used by APEI to report memory error via /dev/mcelog
 */

struct cper_sec_mem_err;
extern void apei_mce_report_mem_error(int corrected,
				      struct cper_sec_mem_err *mem_err);

#endif /* _ASM_X86_MCE_H */
Commit	Line	Data
1965aae3 PA	1	#ifndef _ASM_X86_MCE_H
1965aae3 PA	2	#define _ASM_X86_MCE_H
e2f43029	3
af170c50	4	#include <uapi/asm/mce.h>
e2f43029	5
f51bde6f BP	6	/*
	7	* Machine Check support for x86
	8	*/
	9
	10	/* MCG_CAP register defines */
	11	#define MCG_BANKCNT_MASK 0xff /* Number of Banks */
	12	#define MCG_CTL_P (1ULL<<8) /* MCG_CTL register available */
	13	#define MCG_EXT_P (1ULL<<9) /* Extended registers available */
	14	#define MCG_CMCI_P (1ULL<<10) /* CMCI supported */
	15	#define MCG_EXT_CNT_MASK 0xff0000 /* Number of Extended registers */
	16	#define MCG_EXT_CNT_SHIFT 16
	17	#define MCG_EXT_CNT(c) (((c) & MCG_EXT_CNT_MASK) >> MCG_EXT_CNT_SHIFT)
	18	#define MCG_SER_P (1ULL<<24) /* MCA recovery/new status bits */
4b3db708	19	#define MCG_ELOG_P (1ULL<<26) /* Extended error log supported */
bc12edb8	20	#define MCG_LMCE_P (1ULL<<27) /* Local machine check supported */
f51bde6f BP	21
	22	/* MCG_STATUS register defines */
	23	#define MCG_STATUS_RIPV (1ULL<<0) /* restart ip valid */
	24	#define MCG_STATUS_EIPV (1ULL<<1) /* ip points to correct instruction */
	25	#define MCG_STATUS_MCIP (1ULL<<2) /* machine check in progress */
bc12edb8 AR	26	#define MCG_STATUS_LMCES (1ULL<<3) /* LMCE signaled */
	27
	28	/* MCG_EXT_CTL register defines */
	29	#define MCG_EXT_CTL_LMCE_EN (1ULL<<0) /* Enable LMCE */
f51bde6f BP	30
	31	/* MCi_STATUS register defines */
	32	#define MCI_STATUS_VAL (1ULL<<63) /* valid error */
	33	#define MCI_STATUS_OVER (1ULL<<62) /* previous errors lost */
	34	#define MCI_STATUS_UC (1ULL<<61) /* uncorrected error */
	35	#define MCI_STATUS_EN (1ULL<<60) /* error enabled */
	36	#define MCI_STATUS_MISCV (1ULL<<59) /* misc error reg. valid */
	37	#define MCI_STATUS_ADDRV (1ULL<<58) /* addr reg. valid */
	38	#define MCI_STATUS_PCC (1ULL<<57) /* processor context corrupt */
	39	#define MCI_STATUS_S (1ULL<<56) /* Signaled machine check */
	40	#define MCI_STATUS_AR (1ULL<<55) /* Action required */
0ca06c08	41
e3480271 CY	42	/* AMD-specific bits */
	43	#define MCI_STATUS_DEFERRED (1ULL<<44) /* declare an uncorrected error */
	44	#define MCI_STATUS_POISON (1ULL<<43) /* access poisonous data */
	45
0ca06c08 TL	46	/*
	47	* Note that the full MCACOD field of IA32_MCi_STATUS MSR is
	48	* bits 15:0. But bit 12 is the 'F' bit, defined for corrected
	49	* errors to indicate that errors are being filtered by hardware.
	50	* We should mask out bit 12 when looking for specific signatures
	51	* of uncorrected errors - so the F bit is deliberately skipped
	52	* in this #define.
	53	*/
	54	#define MCACOD 0xefff /* MCA Error Code */
f51bde6f BP	55
	56	/* Architecturally defined codes from SDM Vol. 3B Chapter 15 */
	57	#define MCACOD_SCRUB 0x00C0 /* 0xC0-0xCF Memory Scrubbing */
0ca06c08	58	#define MCACOD_SCRUBMSK 0xeff0 /* Skip bit 12 ('F' bit) */
f51bde6f BP	59	#define MCACOD_L3WB 0x017A /* L3 Explicit Writeback */
	60	#define MCACOD_DATA 0x0134 /* Data Load */
	61	#define MCACOD_INSTR 0x0150 /* Instruction Fetch */
	62
	63	/* MCi_MISC register defines */
	64	#define MCI_MISC_ADDR_LSB(m) ((m) & 0x3f)
	65	#define MCI_MISC_ADDR_MODE(m) (((m) >> 6) & 7)
	66	#define MCI_MISC_ADDR_SEGOFF 0 /* segment offset */
	67	#define MCI_MISC_ADDR_LINEAR 1 /* linear address */
	68	#define MCI_MISC_ADDR_PHYS 2 /* physical address */
	69	#define MCI_MISC_ADDR_MEM 3 /* memory address */
	70	#define MCI_MISC_ADDR_GENERIC 7 /* generic */
	71
	72	/* CTL2 register defines */
	73	#define MCI_CTL2_CMCI_EN (1ULL << 30)
	74	#define MCI_CTL2_CMCI_THRESHOLD_MASK 0x7fffULL
	75
	76	#define MCJ_CTX_MASK 3
	77	#define MCJ_CTX(flags) ((flags) & MCJ_CTX_MASK)
	78	#define MCJ_CTX_RANDOM 0 /* inject context: random */
	79	#define MCJ_CTX_PROCESS 0x1 /* inject context: process */
	80	#define MCJ_CTX_IRQ 0x2 /* inject context: IRQ */
	81	#define MCJ_NMI_BROADCAST 0x4 /* do NMI broadcasting */
	82	#define MCJ_EXCEPTION 0x8 /* raise as exception */
a9093684	83	#define MCJ_IRQ_BROADCAST 0x10 /* do IRQ broadcasting */
f51bde6f BP	84
	85	#define MCE_OVERFLOW 0 /* bit 0 in flags means overflow */
	86
	87	/* Software defined banks */
	88	#define MCE_EXTENDED_BANK 128
	89	#define MCE_THERMAL_BANK (MCE_EXTENDED_BANK + 0)
f51bde6f BP	90
	91	#define MCE_LOG_LEN 32
	92	#define MCE_LOG_SIGNATURE "MACHINECHECK"
	93
	94	/*
	95	* This structure contains all data related to the MCE log. Also
	96	* carries a signature to make it easier to find from external
	97	* debugging tools. Each entry is only valid when its finished flag
	98	* is set.
	99	*/
	100	struct mce_log {
	101	char signature[12]; /* "MACHINECHECK" */
	102	unsigned len; /* = MCE_LOG_LEN */
	103	unsigned next;
	104	unsigned flags;
	105	unsigned recordlen; /* length of struct mce */
	106	struct mce entry[MCE_LOG_LEN];
	107	};
d203f0b8 BP	108
	109	struct mca_config {
	110	bool dont_log_ce;
7af19e4a	111	bool cmci_disabled;
88d53867	112	bool lmce_disabled;
7af19e4a	113	bool ignore_ce;
1462594b BP	114	bool disabled;
	115	bool ser;
	116	bool bios_cmci_threshold;
d203f0b8	117	u8 banks;
84c2559d	118	s8 bootlog;
d203f0b8	119	int tolerant;
84c2559d	120	int monarch_timeout;
7af19e4a	121	int panic_timeout;
84c2559d	122	u32 rip_msr;
d203f0b8 BP	123	};
d203f0b8 BP	124
bf80bbd7	125	struct mce_vendor_flags {
c7f54d21 AG	126	/*
	127	* Indicates that overflow conditions are not fatal, when set.
	128	*/
	129	__u64 overflow_recov : 1,
	130
	131	/*
	132	* (AMD) SUCCOR stands for S/W UnCorrectable error COntainment and
	133	* Recovery. It indicates support for data poisoning in HW and deferred
	134	* error interrupts.
	135	*/
	136	succor : 1,
	137
	138	/*
	139	* (AMD) SMCA: This bit indicates support for Scalable MCA which expands
	140	* the register space for each MCA bank and also increases number of
	141	* banks. Also, to accommodate the new banks and registers, the MCA
	142	* register space is moved to a new MSR range.
	143	*/
	144	smca : 1,
	145
	146	__reserved_0 : 61;
bf80bbd7 AG	147	};
	148	extern struct mce_vendor_flags mce_flags;
	149
7af19e4a	150	extern struct mca_config mca_cfg;
eef4dfa0	151	extern void mce_register_decode_chain(struct notifier_block *nb);
3653ada5	152	extern void mce_unregister_decode_chain(struct notifier_block *nb);
df39a2e4	153
9e55e44e	154	#include <linux/percpu.h>
60063497	155	#include <linux/atomic.h>
9e55e44e	156
c6978369	157	extern int mce_p5_enabled;
e2f43029	158
58995d2d	159	#ifdef CONFIG_X86_MCE
a2202aa2	160	int mcheck_init(void);
5e09954a	161	void mcheck_cpu_init(struct cpuinfo_x86 *c);
8838eb6c	162	void mcheck_cpu_clear(struct cpuinfo_x86 *c);
43eaa2a1	163	void mcheck_vendor_init_severity(void);
58995d2d	164	#else
a2202aa2	165	static inline int mcheck_init(void) { return 0; }
5e09954a	166	static inline void mcheck_cpu_init(struct cpuinfo_x86 *c) {}
8838eb6c	167	static inline void mcheck_cpu_clear(struct cpuinfo_x86 *c) {}
43eaa2a1	168	static inline void mcheck_vendor_init_severity(void) {}
58995d2d HS	169	#endif
58995d2d HS	170
9e55e44e HS	171	#ifdef CONFIG_X86_ANCIENT_MCE
	172	void intel_p5_mcheck_init(struct cpuinfo_x86 *c);
	173	void winchip_mcheck_init(struct cpuinfo_x86 *c);
c6978369	174	static inline void enable_p5_mce(void) { mce_p5_enabled = 1; }
9e55e44e HS	175	#else
	176	static inline void intel_p5_mcheck_init(struct cpuinfo_x86 *c) {}
	177	static inline void winchip_mcheck_init(struct cpuinfo_x86 *c) {}
c6978369	178	static inline void enable_p5_mce(void) {}
9e55e44e HS	179	#endif
9e55e44e HS	180
b5f2fa4e	181	void mce_setup(struct mce *m);
e2f43029	182	void mce_log(struct mce *m);
d6126ef5	183	DECLARE_PER_CPU(struct device *, mce_device);
e2f43029	184
41fdff32	185	/*
3ccdccfa AK	186	* Maximum banks number.
	187	* This is the limit of the current register layout on
	188	* Intel CPUs.
41fdff32	189	*/
3ccdccfa	190	#define MAX_NR_BANKS 32
41fdff32	191
e2f43029 TG	192	#ifdef CONFIG_X86_MCE_INTEL
e2f43029 TG	193	void mce_intel_feature_init(struct cpuinfo_x86 *c);
8838eb6c	194	void mce_intel_feature_clear(struct cpuinfo_x86 *c);
88ccbedd AK	195	void cmci_clear(void);
88ccbedd AK	196	void cmci_reenable(void);
7a0c819d	197	void cmci_rediscover(void);
88ccbedd	198	void cmci_recheck(void);
e2f43029 TG	199	#else
e2f43029 TG	200	static inline void mce_intel_feature_init(struct cpuinfo_x86 *c) { }
8838eb6c	201	static inline void mce_intel_feature_clear(struct cpuinfo_x86 *c) { }
88ccbedd AK	202	static inline void cmci_clear(void) {}
88ccbedd AK	203	static inline void cmci_reenable(void) {}
7a0c819d	204	static inline void cmci_rediscover(void) {}
88ccbedd	205	static inline void cmci_recheck(void) {}
e2f43029 TG	206	#endif
	207
	208	#ifdef CONFIG_X86_MCE_AMD
	209	void mce_amd_feature_init(struct cpuinfo_x86 *c);
	210	#else
	211	static inline void mce_amd_feature_init(struct cpuinfo_x86 *c) { }
	212	#endif
	213
38736072	214	int mce_available(struct cpuinfo_x86 *c);
88ccbedd	215
01ca79f1	216	DECLARE_PER_CPU(unsigned, mce_exception_count);
ca84f696	217	DECLARE_PER_CPU(unsigned, mce_poll_count);
01ca79f1	218
ee031c31 AK	219	typedef DECLARE_BITMAP(mce_banks_t, MAX_NR_BANKS);
	220	DECLARE_PER_CPU(mce_banks_t, mce_poll_banks);
	221
b79109c3	222	enum mcp_flags {
3f2f0680 BP	223	MCP_TIMESTAMP = BIT(0), /* log time stamp */
	224	MCP_UC = BIT(1), /* log uncorrected errors */
	225	MCP_DONTLOG = BIT(2), /* only clear, don't log */
b79109c3	226	};
3f2f0680	227	bool machine_check_poll(enum mcp_flags flags, mce_banks_t *b);
b79109c3	228
9ff36ee9	229	int mce_notify_irq(void);
e2f43029	230
ea149b36	231	DECLARE_PER_CPU(struct mce, injectm);
66f5ddf3 LT	232
	233	extern void register_mce_write_callback(ssize_t ()(struct file filp,
	234	const char __user *ubuf,
	235	size_t usize, loff_t *off));
ea149b36	236
c3d1fb56 NR	237	/* Disable CMCI/polling for MCA bank claimed by firmware */
	238	extern void mce_disable_bank(int bank);
	239
58995d2d HS	240	/*
	241	* Exception handler
	242	*/
	243
	244	/* Call the installed machine check handler for this CPU setup. */
	245	extern void (machine_check_vector)(struct pt_regs , long error_code);
	246	void do_machine_check(struct pt_regs *, long);
	247
	248	/*
	249	* Threshold handler
	250	*/
e2f43029	251
b2762686	252	extern void (*mce_threshold_vector)(void);
58995d2d	253	extern void (*threshold_cpu_callback)(unsigned long action, unsigned int cpu);
b2762686	254
24fd78a8 AG	255	/* Deferred error interrupt handler */
	256	extern void (*deferred_error_int_vector)(void);
	257
e8ce2c5e HS	258	/*
	259	* Thermal handler
	260	*/
	261
e8ce2c5e HS	262	void intel_init_thermal(struct cpuinfo_x86 *c);
e8ce2c5e HS	263
e8ce2c5e	264	void mce_log_therm_throt_event(__u64 status);
a2202aa2	265
9e76a97e D	266	/* Interrupt Handler for core thermal thresholds */
	267	extern int (*platform_thermal_notify)(__u64 msr_val);
	268
25cdce17 SP	269	/* Interrupt Handler for package thermal thresholds */
	270	extern int (*platform_thermal_package_notify)(__u64 msr_val);
	271
	272	/* Callback support of rate control, return true, if
	273	* callback has rate control */
	274	extern bool (*platform_thermal_package_rate_control)(void);
	275
a2202aa2 YW	276	#ifdef CONFIG_X86_THERMAL_VECTOR
	277	extern void mcheck_intel_therm_init(void);
	278	#else
	279	static inline void mcheck_intel_therm_init(void) { }
	280	#endif
	281
d334a491 HY	282	/*
	283	* Used by APEI to report memory error via /dev/mcelog
	284	*/
	285
	286	struct cper_sec_mem_err;
	287	extern void apei_mce_report_mem_error(int corrected,
	288	struct cper_sec_mem_err *mem_err);
	289
1965aae3	290	#endif /* _ASM_X86_MCE_H */