mirror of
https://github.com/AuxXxilium/linux_dsm_epyc7002.git
synced 2024-11-27 01:40:56 +07:00
b8cd9d056b
Conflicts: include/asm-x86/dma-mapping.h include/asm-x86/gpio.h include/asm-x86/idle.h include/asm-x86/kvm_host.h include/asm-x86/namei.h include/asm-x86/uaccess.h Signed-off-by: Ingo Molnar <mingo@elte.hu>
131 lines
3.5 KiB
C
131 lines
3.5 KiB
C
#ifndef ASM_X86__MCE_H
|
|
#define ASM_X86__MCE_H
|
|
|
|
#ifdef __x86_64__
|
|
|
|
#include <asm/ioctls.h>
|
|
#include <asm/types.h>
|
|
|
|
/*
|
|
* Machine Check support for x86
|
|
*/
|
|
|
|
#define MCG_CTL_P (1UL<<8) /* MCG_CAP register available */
|
|
|
|
#define MCG_STATUS_RIPV (1UL<<0) /* restart ip valid */
|
|
#define MCG_STATUS_EIPV (1UL<<1) /* ip points to correct instruction */
|
|
#define MCG_STATUS_MCIP (1UL<<2) /* machine check in progress */
|
|
|
|
#define MCI_STATUS_VAL (1UL<<63) /* valid error */
|
|
#define MCI_STATUS_OVER (1UL<<62) /* previous errors lost */
|
|
#define MCI_STATUS_UC (1UL<<61) /* uncorrected error */
|
|
#define MCI_STATUS_EN (1UL<<60) /* error enabled */
|
|
#define MCI_STATUS_MISCV (1UL<<59) /* misc error reg. valid */
|
|
#define MCI_STATUS_ADDRV (1UL<<58) /* addr reg. valid */
|
|
#define MCI_STATUS_PCC (1UL<<57) /* processor context corrupt */
|
|
|
|
/* Fields are zero when not available */
|
|
struct mce {
|
|
__u64 status;
|
|
__u64 misc;
|
|
__u64 addr;
|
|
__u64 mcgstatus;
|
|
__u64 ip;
|
|
__u64 tsc; /* cpu time stamp counter */
|
|
__u64 res1; /* for future extension */
|
|
__u64 res2; /* dito. */
|
|
__u8 cs; /* code segment */
|
|
__u8 bank; /* machine check bank */
|
|
__u8 cpu; /* cpu that raised the error */
|
|
__u8 finished; /* entry is valid */
|
|
__u32 pad;
|
|
};
|
|
|
|
/*
|
|
* 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.
|
|
*/
|
|
|
|
#define MCE_LOG_LEN 32
|
|
|
|
struct mce_log {
|
|
char signature[12]; /* "MACHINECHECK" */
|
|
unsigned len; /* = MCE_LOG_LEN */
|
|
unsigned next;
|
|
unsigned flags;
|
|
unsigned pad0;
|
|
struct mce entry[MCE_LOG_LEN];
|
|
};
|
|
|
|
#define MCE_OVERFLOW 0 /* bit 0 in flags means overflow */
|
|
|
|
#define MCE_LOG_SIGNATURE "MACHINECHECK"
|
|
|
|
#define MCE_GET_RECORD_LEN _IOR('M', 1, int)
|
|
#define MCE_GET_LOG_LEN _IOR('M', 2, int)
|
|
#define MCE_GETCLEAR_FLAGS _IOR('M', 3, int)
|
|
|
|
/* Software defined banks */
|
|
#define MCE_EXTENDED_BANK 128
|
|
#define MCE_THERMAL_BANK MCE_EXTENDED_BANK + 0
|
|
|
|
#define K8_MCE_THRESHOLD_BASE (MCE_EXTENDED_BANK + 1) /* MCE_AMD */
|
|
#define K8_MCE_THRESHOLD_BANK_0 (MCE_THRESHOLD_BASE + 0 * 9)
|
|
#define K8_MCE_THRESHOLD_BANK_1 (MCE_THRESHOLD_BASE + 1 * 9)
|
|
#define K8_MCE_THRESHOLD_BANK_2 (MCE_THRESHOLD_BASE + 2 * 9)
|
|
#define K8_MCE_THRESHOLD_BANK_3 (MCE_THRESHOLD_BASE + 3 * 9)
|
|
#define K8_MCE_THRESHOLD_BANK_4 (MCE_THRESHOLD_BASE + 4 * 9)
|
|
#define K8_MCE_THRESHOLD_BANK_5 (MCE_THRESHOLD_BASE + 5 * 9)
|
|
#define K8_MCE_THRESHOLD_DRAM_ECC (MCE_THRESHOLD_BANK_4 + 0)
|
|
|
|
#endif /* __x86_64__ */
|
|
|
|
#ifdef __KERNEL__
|
|
|
|
#ifdef CONFIG_X86_32
|
|
extern int mce_disabled;
|
|
#else /* CONFIG_X86_32 */
|
|
|
|
#include <asm/atomic.h>
|
|
|
|
void mce_log(struct mce *m);
|
|
DECLARE_PER_CPU(struct sys_device, device_mce);
|
|
extern void (*threshold_cpu_callback)(unsigned long action, unsigned int cpu);
|
|
|
|
#ifdef CONFIG_X86_MCE_INTEL
|
|
void mce_intel_feature_init(struct cpuinfo_x86 *c);
|
|
#else
|
|
static inline void mce_intel_feature_init(struct cpuinfo_x86 *c) { }
|
|
#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
|
|
|
|
void mce_log_therm_throt_event(unsigned int cpu, __u64 status);
|
|
|
|
extern atomic_t mce_entry;
|
|
|
|
extern void do_machine_check(struct pt_regs *, long);
|
|
extern int mce_notify_user(void);
|
|
|
|
#endif /* !CONFIG_X86_32 */
|
|
|
|
|
|
|
|
#ifdef CONFIG_X86_MCE
|
|
extern void mcheck_init(struct cpuinfo_x86 *c);
|
|
#else
|
|
#define mcheck_init(c) do { } while (0)
|
|
#endif
|
|
extern void stop_mce(void);
|
|
extern void restart_mce(void);
|
|
|
|
#endif /* __KERNEL__ */
|
|
|
|
#endif /* ASM_X86__MCE_H */
|