linux-stable/include/linux/ras.h
Yazen Ghannam 3b566b30b4 RAS/AMD/ATL: Add MI300 row retirement support
DRAM row retirement depends on model-specific information that is best
done within the AMD Address Translation Library.

Export a generic wrapper function for other modules to use. Add any
model-specific helpers here.

Signed-off-by: Yazen Ghannam <yazen.ghannam@amd.com>
Signed-off-by: Borislav Petkov (AMD) <bp@alien8.de>
Link: https://lore.kernel.org/r/20240214033516.1344948-2-yazen.ghannam@amd.com
2024-02-14 17:10:06 +01:00

57 lines
1.5 KiB
C

/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __RAS_H__
#define __RAS_H__
#include <asm/errno.h>
#include <linux/uuid.h>
#include <linux/cper.h>
#ifdef CONFIG_DEBUG_FS
int ras_userspace_consumers(void);
void ras_debugfs_init(void);
int ras_add_daemon_trace(void);
#else
static inline int ras_userspace_consumers(void) { return 0; }
static inline void ras_debugfs_init(void) { }
static inline int ras_add_daemon_trace(void) { return 0; }
#endif
#ifdef CONFIG_RAS_CEC
int __init parse_cec_param(char *str);
#endif
#ifdef CONFIG_RAS
void log_non_standard_event(const guid_t *sec_type,
const guid_t *fru_id, const char *fru_text,
const u8 sev, const u8 *err, const u32 len);
void log_arm_hw_error(struct cper_sec_proc_arm *err);
#else
static inline void
log_non_standard_event(const guid_t *sec_type,
const guid_t *fru_id, const char *fru_text,
const u8 sev, const u8 *err, const u32 len)
{ return; }
static inline void
log_arm_hw_error(struct cper_sec_proc_arm *err) { return; }
#endif
struct atl_err {
u64 addr;
u64 ipid;
u32 cpu;
};
#if IS_ENABLED(CONFIG_AMD_ATL)
void amd_atl_register_decoder(unsigned long (*f)(struct atl_err *));
void amd_atl_unregister_decoder(void);
void amd_retire_dram_row(struct atl_err *err);
unsigned long amd_convert_umc_mca_addr_to_sys_addr(struct atl_err *err);
#else
static inline void amd_retire_dram_row(struct atl_err *err) { }
static inline unsigned long
amd_convert_umc_mca_addr_to_sys_addr(struct atl_err *err) { return -EINVAL; }
#endif /* CONFIG_AMD_ATL */
#endif /* __RAS_H__ */