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Commit f65ac45e authored by Linus Torvalds's avatar Linus Torvalds
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Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/bp/bp 

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/bp/bp:
  x86, mce: do not compile mcelog message on AMD
  EDAC, AMD: decode FR MCEs
  EDAC, AMD: decode load store MCEs
  EDAC, AMD: decode bus unit MCEs
  EDAC, AMD: decode instruction cache MCEs
  EDAC, AMD: decode data cache MCEs
  EDAC, AMD: carve out decoding of MCi_STATUS ErrorCode
  EDAC, AMD: carve out MCi_STATUS decoding
  x86, mce: pass mce info to EDAC for decoding
  amd64_edac: cleanup amd64_decode_bus_error
  amd64_edac: remove memory and GART TLB error decoders
  amd64_edac: cleanup/complete NB MCE decoding
  amd64_edac: cleanup amd64_process_error_info
  EDAC: beef up ErrorCodeExt error signatures
  EDAC: move MCE error descriptions to EDAC core
parents 4142e0d1 22223c9b
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Showing with 619 additions and 452 deletions
arch/x86/kernel/cpu/mcheck/mce.c
View file @ f65ac45e
......@@ -183,6 +183,11 @@ void mce_log(struct mce *mce)
set_bit(0, &mce_need_notify);
}
void __weak decode_mce(struct mce *m)
{
return;
}
static void print_mce(struct mce *m)
{
printk(KERN_EMERG
......@@ -205,6 +210,8 @@ static void print_mce(struct mce *m)
printk(KERN_EMERG "PROCESSOR %u:%x TIME %llu SOCKET %u APIC %x\n",
m->cpuvendor, m->cpuid, m->time, m->socketid,
m->apicid);
decode_mce(m);
}
static void print_mce_head(void)
......@@ -215,7 +222,10 @@ static void print_mce_head(void)
static void print_mce_tail(void)
{
printk(KERN_EMERG "This is not a software problem!\n"
"Run through mcelog --ascii to decode and contact your hardware vendor\n");
#if (!defined(CONFIG_EDAC) || !defined(CONFIG_CPU_SUP_AMD))
"Run through mcelog --ascii to decode and contact your hardware vendor\n"
#endif
);
}
#define PANIC_TIMEOUT 5 /* 5 seconds */
......
drivers/edac/Makefile
View file @ f65ac45e
......@@ -17,6 +17,10 @@ ifdef CONFIG_PCI
edac_core-objs += edac_pci.o edac_pci_sysfs.o
endif
ifdef CONFIG_CPU_SUP_AMD
edac_core-objs += edac_mce_amd.o
endif
obj-$(CONFIG_EDAC_AMD76X) += amd76x_edac.o
obj-$(CONFIG_EDAC_CPC925) += cpc925_edac.o
obj-$(CONFIG_EDAC_I5000) += i5000_edac.o
......@@ -32,7 +36,7 @@ obj-$(CONFIG_EDAC_X38) += x38_edac.o
obj-$(CONFIG_EDAC_I82860) += i82860_edac.o
obj-$(CONFIG_EDAC_R82600) += r82600_edac.o
amd64_edac_mod-y := amd64_edac_err_types.o amd64_edac.o
amd64_edac_mod-y := amd64_edac.o
amd64_edac_mod-$(CONFIG_EDAC_DEBUG) += amd64_edac_dbg.o
amd64_edac_mod-$(CONFIG_EDAC_AMD64_ERROR_INJECTION) += amd64_edac_inj.o
......
drivers/edac/amd64_edac.c
View file @ f65ac45e
This diff is collapsed.
drivers/edac/amd64_edac.h
View file @ f65ac45e
......@@ -72,6 +72,7 @@
#include <linux/edac.h>
#include <asm/msr.h>
#include "edac_core.h"
#include "edac_mce_amd.h"
#define amd64_printk(level, fmt, arg...) \
edac_printk(level, "amd64", fmt, ##arg)
......@@ -303,21 +304,9 @@ enum {
#define K8_NBSL 0x48
#define EXTRACT_HIGH_SYNDROME(x) (((x) >> 24) & 0xff)
#define EXTRACT_EXT_ERROR_CODE(x) (((x) >> 16) & 0x1f)
/* Family F10h: Normalized Extended Error Codes */
#define F10_NBSL_EXT_ERR_RES 0x0
#define F10_NBSL_EXT_ERR_CRC 0x1
#define F10_NBSL_EXT_ERR_SYNC 0x2
#define F10_NBSL_EXT_ERR_MST 0x3
#define F10_NBSL_EXT_ERR_TGT 0x4
#define F10_NBSL_EXT_ERR_GART 0x5
#define F10_NBSL_EXT_ERR_RMW 0x6
#define F10_NBSL_EXT_ERR_WDT 0x7
#define F10_NBSL_EXT_ERR_ECC 0x8
#define F10_NBSL_EXT_ERR_DEV 0x9
#define F10_NBSL_EXT_ERR_LINK_DATA 0xA
/* Next two are overloaded values */
#define F10_NBSL_EXT_ERR_LINK_PROTO 0xB
......@@ -348,17 +337,6 @@ enum {
#define K8_NBSL_EXT_ERR_CHIPKILL_ECC 0x8
#define K8_NBSL_EXT_ERR_DRAM_PARITY 0xD
#define EXTRACT_ERROR_CODE(x) ((x) & 0xffff)
#define TEST_TLB_ERROR(x) (((x) & 0xFFF0) == 0x0010)
#define TEST_MEM_ERROR(x) (((x) & 0xFF00) == 0x0100)
#define TEST_BUS_ERROR(x) (((x) & 0xF800) == 0x0800)
#define EXTRACT_TT_CODE(x) (((x) >> 2) & 0x3)
#define EXTRACT_II_CODE(x) (((x) >> 2) & 0x3)
#define EXTRACT_LL_CODE(x) (((x) >> 0) & 0x3)
#define EXTRACT_RRRR_CODE(x) (((x) >> 4) & 0xf)
#define EXTRACT_TO_CODE(x) (((x) >> 8) & 0x1)
#define EXTRACT_PP_CODE(x) (((x) >> 9) & 0x3)
/*
* The following are for BUS type errors AFTER values have been normalized by
* shifting right
......@@ -368,28 +346,7 @@ enum {
#define K8_NBSL_PP_OBS 0x2
#define K8_NBSL_PP_GENERIC 0x3
#define K8_NBSH 0x4C
#define K8_NBSH_VALID_BIT BIT(31)
#define K8_NBSH_OVERFLOW BIT(30)
#define K8_NBSH_UNCORRECTED_ERR BIT(29)
#define K8_NBSH_ERR_ENABLE BIT(28)
#define K8_NBSH_MISC_ERR_VALID BIT(27)
#define K8_NBSH_VALID_ERROR_ADDR BIT(26)
#define K8_NBSH_PCC BIT(25)
#define K8_NBSH_CECC BIT(14)
#define K8_NBSH_UECC BIT(13)
#define K8_NBSH_ERR_SCRUBER BIT(8)
#define K8_NBSH_CORE3 BIT(3)
#define K8_NBSH_CORE2 BIT(2)
#define K8_NBSH_CORE1 BIT(1)
#define K8_NBSH_CORE0 BIT(0)
#define EXTRACT_LDT_LINK(x) (((x) >> 4) & 0x7)
#define EXTRACT_ERR_CPU_MAP(x) ((x) & 0xF)
#define EXTRACT_LOW_SYNDROME(x) (((x) >> 15) & 0xff)
#define K8_NBEAL 0x50
#define K8_NBEAH 0x54
......@@ -455,23 +412,6 @@ enum amd64_chipset_families {
F11_CPUS,
};
/*
* Structure to hold:
*
* 1) dynamically read status and error address HW registers
* 2) sysfs entered values
* 3) MCE values
*
* Depends on entry into the modules
*/
struct amd64_error_info_regs {
u32 nbcfg;
u32 nbsh;
u32 nbsl;
u32 nbeah;
u32 nbeal;
};
/* Error injection control structure */
struct error_injection {
u32 section;
......@@ -542,7 +482,7 @@ struct amd64_pvt {
u32 online_spare; /* On-Line spare Reg */
/* temp storage for when input is received from sysfs */
struct amd64_error_info_regs ctl_error_info;
struct err_regs ctl_error_info;
/* place to store error injection parameters prior to issue */
struct error_injection injection;
......@@ -601,11 +541,11 @@ struct low_ops {
int (*early_channel_count)(struct amd64_pvt *pvt);
u64 (*get_error_address)(struct mem_ctl_info *mci,
struct amd64_error_info_regs *info);
struct err_regs *info);
void (*read_dram_base_limit)(struct amd64_pvt *pvt, int dram);
void (*read_dram_ctl_register)(struct amd64_pvt *pvt);
void (*map_sysaddr_to_csrow)(struct mem_ctl_info *mci,
struct amd64_error_info_regs *info,
struct err_regs *info,
u64 SystemAddr);
int (*dbam_map_to_pages)(struct amd64_pvt *pvt, int dram_map);
};
......@@ -637,8 +577,5 @@ static inline struct low_ops *family_ops(int index)
#define F10_MIN_SCRUB_RATE_BITS 0x5
#define F11_MIN_SCRUB_RATE_BITS 0x6
int amd64_process_error_info(struct mem_ctl_info *mci,
struct amd64_error_info_regs *info,
int handle_errors);
int amd64_get_dram_hole_info(struct mem_ctl_info *mci, u64 *hole_base,
u64 *hole_offset, u64 *hole_size);
drivers/edac/amd64_edac_dbg.c
View file @ f65ac45e
......@@ -24,7 +24,7 @@ static ssize_t amd64_nbea_store(struct mem_ctl_info *mci, const char *data,
/* Process the Mapping request */
/* TODO: Add race prevention */
amd64_process_error_info(mci, &pvt->ctl_error_info, 1);
amd_decode_nb_mce(pvt->mc_node_id, &pvt->ctl_error_info, 1);
return count;
}
......
drivers/edac/amd64_edac_err_types.c deleted 100644 → 0
View file @ 4142e0d1
#include "amd64_edac.h"
/*
* See F2x80 for K8 and F2x[1,0]80 for Fam10 and later. The table below is only
* for DDR2 DRAM mapping.
*/
u32 revf_quad_ddr2_shift[] = {
0, /* 0000b NULL DIMM (128mb) */
28, /* 0001b 256mb */
29, /* 0010b 512mb */
29, /* 0011b 512mb */
29, /* 0100b 512mb */
30, /* 0101b 1gb */
30, /* 0110b 1gb */
31, /* 0111b 2gb */
31, /* 1000b 2gb */
32, /* 1001b 4gb */
32, /* 1010b 4gb */
33, /* 1011b 8gb */
0, /* 1100b future */
0, /* 1101b future */
0, /* 1110b future */
0 /* 1111b future */
};
/*
* Valid scrub rates for the K8 hardware memory scrubber. We map the scrubbing
* bandwidth to a valid bit pattern. The 'set' operation finds the 'matching-
* or higher value'.
*
*FIXME: Produce a better mapping/linearisation.
*/
struct scrubrate scrubrates[] = {
{ 0x01, 1600000000UL},
{ 0x02, 800000000UL},
{ 0x03, 400000000UL},
{ 0x04, 200000000UL},
{ 0x05, 100000000UL},
{ 0x06, 50000000UL},
{ 0x07, 25000000UL},
{ 0x08, 12284069UL},
{ 0x09, 6274509UL},
{ 0x0A, 3121951UL},
{ 0x0B, 1560975UL},
{ 0x0C, 781440UL},
{ 0x0D, 390720UL},
{ 0x0E, 195300UL},
{ 0x0F, 97650UL},
{ 0x10, 48854UL},
{ 0x11, 24427UL},
{ 0x12, 12213UL},
{ 0x13, 6101UL},
{ 0x14, 3051UL},
{ 0x15, 1523UL},
{ 0x16, 761UL},
{ 0x00, 0UL}, /* scrubbing off */
};
/*
* string representation for the different MCA reported error types, see F3x48
* or MSR0000_0411.
*/
const char *tt_msgs[] = { /* transaction type */
"instruction",
"data",
"generic",
"reserved"
};
const char *ll_msgs[] = { /* cache level */
"L0",
"L1",
"L2",
"L3/generic"
};
const char *rrrr_msgs[] = {
"generic",
"generic read",
"generic write",
"data read",
"data write",
"inst fetch",
"prefetch",
"evict",
"snoop",
"reserved RRRR= 9",
"reserved RRRR= 10",
"reserved RRRR= 11",
"reserved RRRR= 12",
"reserved RRRR= 13",
"reserved RRRR= 14",
"reserved RRRR= 15"
};
const char *pp_msgs[] = { /* participating processor */
"local node originated (SRC)",
"local node responded to request (RES)",
"local node observed as 3rd party (OBS)",
"generic"
};
const char *to_msgs[] = {
"no timeout",
"timed out"
};
const char *ii_msgs[] = { /* memory or i/o */
"mem access",
"reserved",
"i/o access",
"generic"
};
/* Map the 5 bits of Extended Error code to the string table. */
const char *ext_msgs[] = { /* extended error */
"K8 ECC error/F10 reserved", /* 0_0000b */
"CRC error", /* 0_0001b */
"sync error", /* 0_0010b */
"mst abort", /* 0_0011b */
"tgt abort", /* 0_0100b */
"GART error", /* 0_0101b */
"RMW error", /* 0_0110b */
"Wdog timer error", /* 0_0111b */
"F10-ECC/K8-Chipkill error", /* 0_1000b */
"DEV Error", /* 0_1001b */
"Link Data error", /* 0_1010b */
"Link or L3 Protocol error", /* 0_1011b */
"NB Array error", /* 0_1100b */
"DRAM Parity error", /* 0_1101b */
"Link Retry/GART Table Walk/DEV Table Walk error", /* 0_1110b */
"Res 0x0ff error", /* 0_1111b */
"Res 0x100 error", /* 1_0000b */
"Res 0x101 error", /* 1_0001b */
"Res 0x102 error", /* 1_0010b */
"Res 0x103 error", /* 1_0011b */
"Res 0x104 error", /* 1_0100b */
"Res 0x105 error", /* 1_0101b */
"Res 0x106 error", /* 1_0110b */
"Res 0x107 error", /* 1_0111b */
"Res 0x108 error", /* 1_1000b */
"Res 0x109 error", /* 1_1001b */
"Res 0x10A error", /* 1_1010b */
"Res 0x10B error", /* 1_1011b */
"L3 Cache Data error", /* 1_1100b */
"L3 CacheTag error", /* 1_1101b */
"L3 Cache LRU error", /* 1_1110b */
"Res 0x1FF error" /* 1_1111b */
};
const char *htlink_msgs[] = {
"none",
"1",
"2",
"1 2",
"3",
"1 3",
"2 3",
"1 2 3"
};
drivers/edac/edac_mce_amd.c 0 → 100644
View file @ f65ac45e
This diff is collapsed.
drivers/edac/edac_mce_amd.h 0 → 100644
View file @ f65ac45e
#ifndef _EDAC_MCE_AMD_H
#define _EDAC_MCE_AMD_H
#include <asm/mce.h>
#define ERROR_CODE(x) ((x) & 0xffff)
#define EXT_ERROR_CODE(x) (((x) >> 16) & 0x1f)
#define EXT_ERR_MSG(x) ext_msgs[EXT_ERROR_CODE(x)]
#define LOW_SYNDROME(x) (((x) >> 15) & 0xff)
#define HIGH_SYNDROME(x) (((x) >> 24) & 0xff)
#define TLB_ERROR(x) (((x) & 0xFFF0) == 0x0010)
#define MEM_ERROR(x) (((x) & 0xFF00) == 0x0100)
#define BUS_ERROR(x) (((x) & 0xF800) == 0x0800)
#define TT(x) (((x) >> 2) & 0x3)
#define TT_MSG(x) tt_msgs[TT(x)]
#define II(x) (((x) >> 2) & 0x3)
#define II_MSG(x) ii_msgs[II(x)]
#define LL(x) (((x) >> 0) & 0x3)
#define LL_MSG(x) ll_msgs[LL(x)]
#define RRRR(x) (((x) >> 4) & 0xf)
#define RRRR_MSG(x) rrrr_msgs[RRRR(x)]
#define TO(x) (((x) >> 8) & 0x1)
#define TO_MSG(x) to_msgs[TO(x)]
#define PP(x) (((x) >> 9) & 0x3)
#define PP_MSG(x) pp_msgs[PP(x)]
#define K8_NBSH 0x4C
#define K8_NBSH_VALID_BIT BIT(31)
#define K8_NBSH_OVERFLOW BIT(30)
#define K8_NBSH_UC_ERR BIT(29)
#define K8_NBSH_ERR_EN BIT(28)
#define K8_NBSH_MISCV BIT(27)
#define K8_NBSH_VALID_ERROR_ADDR BIT(26)
#define K8_NBSH_PCC BIT(25)
#define K8_NBSH_ERR_CPU_VAL BIT(24)
#define K8_NBSH_CECC BIT(14)
#define K8_NBSH_UECC BIT(13)
#define K8_NBSH_ERR_SCRUBER BIT(8)
extern const char *tt_msgs[];
extern const char *ll_msgs[];
extern const char *rrrr_msgs[];
extern const char *pp_msgs[];
extern const char *to_msgs[];
extern const char *ii_msgs[];
extern const char *ext_msgs[];
/*
* relevant NB regs
*/
struct err_regs {
u32 nbcfg;
u32 nbsh;
u32 nbsl;
u32 nbeah;
u32 nbeal;
};
void amd_report_gart_errors(bool);
void amd_register_ecc_decoder(void (*f)(int, struct err_regs *));
void amd_unregister_ecc_decoder(void (*f)(int, struct err_regs *));
void amd_decode_nb_mce(int, struct err_regs *, int);
#endif /* _EDAC_MCE_AMD_H */
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