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-rw-r--r--drivers/edac/Makefile6
-rw-r--r--drivers/edac/amd64_edac.c140
-rw-r--r--drivers/edac/amd64_edac.h17
-rw-r--r--drivers/edac/edac_mce_amd.c (renamed from drivers/edac/amd64_edac_err_types.c)78
-rw-r--r--drivers/edac/edac_mce_amd.h29
5 files changed, 122 insertions, 148 deletions
diff --git a/drivers/edac/Makefile b/drivers/edac/Makefile
index 98aa4a7db41..cfa033ce53a 100644
--- a/drivers/edac/Makefile
+++ b/drivers/edac/Makefile
@@ -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
diff --git a/drivers/edac/amd64_edac.c b/drivers/edac/amd64_edac.c
index e2a10bcba7a..b9e84bc9176 100644
--- a/drivers/edac/amd64_edac.c
+++ b/drivers/edac/amd64_edac.c
@@ -19,6 +19,63 @@ static struct mem_ctl_info *mci_lookup[MAX_NUMNODES];
static struct amd64_pvt *pvt_lookup[MAX_NUMNODES];
/*
+ * 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 */
+};
+
+/*
* Memory scrubber control interface. For K8, memory scrubbing is handled by
* hardware and can involve L2 cache, dcache as well as the main memory. With
* F10, this is extended to L3 cache scrubbing on CPU models sporting that
@@ -1101,8 +1158,8 @@ static void k8_map_sysaddr_to_csrow(struct mem_ctl_info *mci,
u32 page, offset;
/* Extract the syndrome parts and form a 16-bit syndrome */
- syndrome = EXTRACT_HIGH_SYNDROME(info->nbsl) << 8;
- syndrome |= EXTRACT_LOW_SYNDROME(info->nbsh);
+ syndrome = HIGH_SYNDROME(info->nbsl) << 8;
+ syndrome |= LOW_SYNDROME(info->nbsh);
/* CHIPKILL enabled */
if (info->nbcfg & K8_NBCFG_CHIPKILL) {
@@ -1701,8 +1758,8 @@ static void f10_map_sysaddr_to_csrow(struct mem_ctl_info *mci,
if (csrow >= 0) {
error_address_to_page_and_offset(sys_addr, &page, &offset);
- syndrome = EXTRACT_HIGH_SYNDROME(info->nbsl) << 8;
- syndrome |= EXTRACT_LOW_SYNDROME(info->nbsh);
+ syndrome = HIGH_SYNDROME(info->nbsl) << 8;
+ syndrome |= LOW_SYNDROME(info->nbsh);
/*
* Is CHIPKILL on? If so, then we can attempt to use the
@@ -2155,36 +2212,22 @@ static int amd64_get_error_info(struct mem_ctl_info *mci,
static inline void amd64_decode_gart_tlb_error(struct mem_ctl_info *mci,
struct amd64_error_info_regs *info)
{
- u32 err_code;
- u32 ec_tt; /* error code transaction type (2b) */
- u32 ec_ll; /* error code cache level (2b) */
-
- err_code = EXTRACT_ERROR_CODE(info->nbsl);
- ec_ll = EXTRACT_LL_CODE(err_code);
- ec_tt = EXTRACT_TT_CODE(err_code);
+ u32 ec = ERROR_CODE(info->nbsl);
amd64_mc_printk(mci, KERN_ERR,
"GART TLB event: transaction type(%s), "
- "cache level(%s)\n", tt_msgs[ec_tt], ll_msgs[ec_ll]);
+ "cache level(%s)\n", TT_MSG(ec), LL_MSG(ec));
}
static inline void amd64_decode_mem_cache_error(struct mem_ctl_info *mci,
struct amd64_error_info_regs *info)
{
- u32 err_code;
- u32 ec_rrrr; /* error code memory transaction (4b) */
- u32 ec_tt; /* error code transaction type (2b) */
- u32 ec_ll; /* error code cache level (2b) */
-
- err_code = EXTRACT_ERROR_CODE(info->nbsl);
- ec_ll = EXTRACT_LL_CODE(err_code);
- ec_tt = EXTRACT_TT_CODE(err_code);
- ec_rrrr = EXTRACT_RRRR_CODE(err_code);
+ u32 ec = ERROR_CODE(info->nbsl);
amd64_mc_printk(mci, KERN_ERR,
"cache hierarchy error: memory transaction type(%s), "
"transaction type(%s), cache level(%s)\n",
- rrrr_msgs[ec_rrrr], tt_msgs[ec_tt], ll_msgs[ec_ll]);
+ RRRR_MSG(ec), TT_MSG(ec), LL_MSG(ec));
}
@@ -2264,21 +2307,8 @@ static void amd64_handle_ue(struct mem_ctl_info *mci,
static void amd64_decode_bus_error(struct mem_ctl_info *mci,
struct amd64_error_info_regs *info)
{
- u32 err_code, ext_ec;
- u32 ec_pp; /* error code participating processor (2p) */
- u32 ec_to; /* error code timed out (1b) */
- u32 ec_rrrr; /* error code memory transaction (4b) */
- u32 ec_ii; /* error code memory or I/O (2b) */
- u32 ec_ll; /* error code cache level (2b) */
-
- ext_ec = EXTRACT_EXT_ERROR_CODE(info->nbsl);
- err_code = EXTRACT_ERROR_CODE(info->nbsl);
-
- ec_ll = EXTRACT_LL_CODE(err_code);
- ec_ii = EXTRACT_II_CODE(err_code);
- ec_rrrr = EXTRACT_RRRR_CODE(err_code);
- ec_to = EXTRACT_TO_CODE(err_code);
- ec_pp = EXTRACT_PP_CODE(err_code);
+ u32 ec = ERROR_CODE(info->nbsl);
+ u32 xec = EXT_ERROR_CODE(info->nbsl);
amd64_mc_printk(mci, KERN_ERR,
"BUS ERROR:\n"
@@ -2286,20 +2316,17 @@ static void amd64_decode_bus_error(struct mem_ctl_info *mci,
" participating processor(%s)\n"
" memory transaction type(%s)\n"
" cache level(%s) Error Found by: %s\n",
- to_msgs[ec_to],
- ii_msgs[ec_ii],
- pp_msgs[ec_pp],
- rrrr_msgs[ec_rrrr],
- ll_msgs[ec_ll],
+ TO_MSG(ec), II_MSG(ec), PP_MSG(ec), RRRR_MSG(ec), LL_MSG(ec),
(info->nbsh & K8_NBSH_ERR_SCRUBER) ?
"Scrubber" : "Normal Operation");
- /* If this was an 'observed' error, early out */
- if (ec_pp == K8_NBSL_PP_OBS)
- return; /* We aren't the node involved */
+
+ /* Bail early out if this was an 'observed' error */
+ if (PP(ec) == K8_NBSL_PP_OBS)
+ return;
/* Parse out the extended error code for ECC events */
- switch (ext_ec) {
+ switch (xec) {
/* F10 changed to one Extended ECC error code */
case F10_NBSL_EXT_ERR_RES: /* Reserved field */
case F10_NBSL_EXT_ERR_ECC: /* F10 ECC ext err code */
@@ -2379,7 +2406,7 @@ int amd64_process_error_info(struct mem_ctl_info *mci,
(regs->nbsh & K8_NBSH_CORE3) ? "True" : "False");
- err_code = EXTRACT_ERROR_CODE(regs->nbsl);
+ err_code = ERROR_CODE(regs->nbsl);
/* Determine which error type:
* 1) GART errors - non-fatal, developmental events
@@ -2387,7 +2414,7 @@ int amd64_process_error_info(struct mem_ctl_info *mci,
* 3) BUS errors
* 4) Unknown error
*/
- if (TEST_TLB_ERROR(err_code)) {
+ if (TLB_ERROR(err_code)) {
/*
* GART errors are intended to help graphics driver developers
* to detect bad GART PTEs. It is recommended by AMD to disable
@@ -2411,10 +2438,10 @@ int amd64_process_error_info(struct mem_ctl_info *mci,
debugf1("GART TLB error\n");
amd64_decode_gart_tlb_error(mci, info);
- } else if (TEST_MEM_ERROR(err_code)) {
+ } else if (MEM_ERROR(err_code)) {
debugf1("Memory/Cache error\n");
amd64_decode_mem_cache_error(mci, info);
- } else if (TEST_BUS_ERROR(err_code)) {
+ } else if (BUS_ERROR(err_code)) {
debugf1("Bus (Link/DRAM) error\n");
amd64_decode_bus_error(mci, info);
} else {
@@ -2424,21 +2451,10 @@ int amd64_process_error_info(struct mem_ctl_info *mci,
err_code);
}
- ext_ec = EXTRACT_EXT_ERROR_CODE(regs->nbsl);
+ ext_ec = EXT_ERROR_CODE(regs->nbsl);
amd64_mc_printk(mci, KERN_ERR,
"ExtErr=(0x%x) %s\n", ext_ec, ext_msgs[ext_ec]);
- if (((ext_ec >= F10_NBSL_EXT_ERR_CRC &&
- ext_ec <= F10_NBSL_EXT_ERR_TGT) ||
- (ext_ec == F10_NBSL_EXT_ERR_RMW)) &&
- EXTRACT_LDT_LINK(info->nbsh)) {
-
- amd64_mc_printk(mci, KERN_ERR,
- "Error on hypertransport link: %s\n",
- htlink_msgs[
- EXTRACT_LDT_LINK(info->nbsh)]);
- }
-
/*
* Check the UE bit of the NB status high register, if set generate some
* logs. If NOT a GART error, then process the event as a NO-INFO event.
diff --git a/drivers/edac/amd64_edac.h b/drivers/edac/amd64_edac.h
index ba73015af8e..1ddef8d15d5 100644
--- a/drivers/edac/amd64_edac.h
+++ b/drivers/edac/amd64_edac.h
@@ -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)
@@ -303,9 +304,6 @@ 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
@@ -348,17 +346,6 @@ 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
@@ -386,9 +373,7 @@ enum {
#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
diff --git a/drivers/edac/amd64_edac_err_types.c b/drivers/edac/edac_mce_amd.c
index f212ff12a9d..cf8465450b3 100644
--- a/drivers/edac/amd64_edac_err_types.c
+++ b/drivers/edac/edac_mce_amd.c
@@ -1,61 +1,5 @@
-#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 */
-};
+#include <linux/module.h>
+#include "edac_mce_amd.h"
/*
* string representation for the different MCA reported error types, see F3x48
@@ -67,6 +11,7 @@ const char *tt_msgs[] = { /* transaction type */
"generic",
"reserved"
};
+EXPORT_SYMBOL_GPL(tt_msgs);
const char *ll_msgs[] = { /* cache level */
"L0",
@@ -74,6 +19,7 @@ const char *ll_msgs[] = { /* cache level */
"L2",
"L3/generic"
};
+EXPORT_SYMBOL_GPL(ll_msgs);
const char *rrrr_msgs[] = {
"generic",
@@ -93,6 +39,7 @@ const char *rrrr_msgs[] = {
"reserved RRRR= 14",
"reserved RRRR= 15"
};
+EXPORT_SYMBOL_GPL(rrrr_msgs);
const char *pp_msgs[] = { /* participating processor */
"local node originated (SRC)",
@@ -100,11 +47,13 @@ const char *pp_msgs[] = { /* participating processor */
"local node observed as 3rd party (OBS)",
"generic"
};
+EXPORT_SYMBOL_GPL(pp_msgs);
const char *to_msgs[] = {
"no timeout",
"timed out"
};
+EXPORT_SYMBOL_GPL(to_msgs);
const char *ii_msgs[] = { /* memory or i/o */
"mem access",
@@ -112,6 +61,7 @@ const char *ii_msgs[] = { /* memory or i/o */
"i/o access",
"generic"
};
+EXPORT_SYMBOL_GPL(ii_msgs);
/* Map the 5 bits of Extended Error code to the string table. */
const char *ext_msgs[] = { /* extended error */
@@ -148,14 +98,4 @@ const char *ext_msgs[] = { /* extended error */
"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"
-};
+EXPORT_SYMBOL_GPL(ext_msgs);
diff --git a/drivers/edac/edac_mce_amd.h b/drivers/edac/edac_mce_amd.h
new file mode 100644
index 00000000000..81f9dcf9990
--- /dev/null
+++ b/drivers/edac/edac_mce_amd.h
@@ -0,0 +1,29 @@
+#define ERROR_CODE(x) ((x) & 0xffff)
+#define EXT_ERROR_CODE(x) (((x) >> 16) & 0x1f)
+#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)]
+
+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[];
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-23 22:17:52 +0000