diff options
author | Borislav Petkov <borislav.petkov@amd.com> | 2010-09-22 16:08:37 +0200 |
---|---|---|
committer | Borislav Petkov <borislav.petkov@amd.com> | 2011-01-07 11:54:21 +0100 |
commit | 6245288232516aadf293f575d1812dafb4696aee (patch) | |
tree | 8ca69fb55bbc1556b75cc3cbc5cccc1bca4aa613 /drivers | |
parent | b8f85c477bdf1fec98ea7cbe952fdb5f40eb0aa7 (diff) | |
download | op-kernel-dev-6245288232516aadf293f575d1812dafb4696aee.zip op-kernel-dev-6245288232516aadf293f575d1812dafb4696aee.tar.gz |
EDAC, MCE: Overhaul error fields extraction macros
Make macro names shorter thus making code shorter and more clear.
Signed-off-by: Borislav Petkov <borislav.petkov@amd.com>
Diffstat (limited to 'drivers')
-rw-r--r-- | drivers/edac/amd64_edac.c | 4 | ||||
-rw-r--r-- | drivers/edac/mce_amd.c | 83 | ||||
-rw-r--r-- | drivers/edac/mce_amd.h | 10 |
3 files changed, 43 insertions, 54 deletions
diff --git a/drivers/edac/amd64_edac.c b/drivers/edac/amd64_edac.c index eca9ba1..0212232 100644 --- a/drivers/edac/amd64_edac.c +++ b/drivers/edac/amd64_edac.c @@ -2055,8 +2055,8 @@ static void amd64_handle_ue(struct mem_ctl_info *mci, static inline void __amd64_decode_bus_error(struct mem_ctl_info *mci, struct err_regs *info) { - u32 ec = ERROR_CODE(info->nbsl); - u32 xec = EXT_ERROR_CODE(info->nbsl); + u16 ec = EC(info->nbsl); + u8 xec = XEC(info->nbsl, 0x1f); int ecc_type = (info->nbsh >> 13) & 0x3; /* Bail early out if this was an 'observed' error */ diff --git a/drivers/edac/mce_amd.c b/drivers/edac/mce_amd.c index c14abe3..53d4dc0 100644 --- a/drivers/edac/mce_amd.c +++ b/drivers/edac/mce_amd.c @@ -133,13 +133,13 @@ static bool f12h_dc_mce(u16 ec, u8 xec) bool ret = false; if (MEM_ERROR(ec)) { - u8 ll = ec & 0x3; + u8 ll = LL(ec); ret = true; if (ll == LL_L2) pr_cont("during L1 linefill from L2.\n"); else if (ll == LL_L1) - pr_cont("Data/Tag %s error.\n", RRRR_MSG(ec)); + pr_cont("Data/Tag %s error.\n", R4_MSG(ec)); else ret = false; } @@ -148,10 +148,7 @@ static bool f12h_dc_mce(u16 ec, u8 xec) static bool f10h_dc_mce(u16 ec, u8 xec) { - u8 r4 = (ec >> 4) & 0xf; - u8 ll = ec & 0x3; - - if (r4 == R4_GEN && ll == LL_L1) { + if (R4(ec) == R4_GEN && LL(ec) == LL_L1) { pr_cont("during data scrub.\n"); return true; } @@ -170,15 +167,12 @@ static bool k8_dc_mce(u16 ec, u8 xec) static bool f14h_dc_mce(u16 ec, u8 xec) { - u8 r4 = (ec >> 4) & 0xf; - u8 ll = ec & 0x3; - u8 tt = (ec >> 2) & 0x3; - u8 ii = tt; + u8 r4 = R4(ec); bool ret = true; if (MEM_ERROR(ec)) { - if (tt != TT_DATA || ll != LL_L1) + if (TT(ec) != TT_DATA || LL(ec) != LL_L1) return false; switch (r4) { @@ -198,7 +192,7 @@ static bool f14h_dc_mce(u16 ec, u8 xec) } } else if (BUS_ERROR(ec)) { - if ((ii != II_MEM && ii != II_IO) || ll != LL_LG) + if ((II(ec) != II_MEM && II(ec) != II_IO) || LL(ec) != LL_LG) return false; pr_cont("System read data error on a "); @@ -273,16 +267,14 @@ static bool f15h_dc_mce(u16 ec, u8 xec) static void amd_decode_dc_mce(struct mce *m) { - u16 ec = m->status & 0xffff; - u8 xec = (m->status >> 16) & xec_mask; + u16 ec = EC(m->status); + u8 xec = XEC(m->status, xec_mask); pr_emerg(HW_ERR "Data Cache Error: "); /* TLB error signatures are the same across families */ if (TLB_ERROR(ec)) { - u8 tt = (ec >> 2) & 0x3; - - if (tt == TT_DATA) { + if (TT(ec) == TT_DATA) { pr_cont("%s TLB %s.\n", LL_MSG(ec), ((xec == 2) ? "locked miss" : (xec ? "multimatch" : "parity"))); @@ -296,8 +288,7 @@ static void amd_decode_dc_mce(struct mce *m) static bool k8_ic_mce(u16 ec, u8 xec) { - u8 ll = ec & 0x3; - u8 r4 = (ec >> 4) & 0xf; + u8 ll = LL(ec); bool ret = true; if (!MEM_ERROR(ec)) @@ -306,7 +297,7 @@ static bool k8_ic_mce(u16 ec, u8 xec) if (ll == 0x2) pr_cont("during a linefill from L2.\n"); else if (ll == 0x1) { - switch (r4) { + switch (R4(ec)) { case R4_IRD: pr_cont("Parity error during data load.\n"); break; @@ -331,13 +322,11 @@ static bool k8_ic_mce(u16 ec, u8 xec) static bool f14h_ic_mce(u16 ec, u8 xec) { - u8 ll = ec & 0x3; - u8 tt = (ec >> 2) & 0x3; - u8 r4 = (ec >> 4) & 0xf; + u8 r4 = R4(ec); bool ret = true; if (MEM_ERROR(ec)) { - if (tt != 0 || ll != 1) + if (TT(ec) != 0 || LL(ec) != 1) ret = false; if (r4 == R4_IRD) @@ -378,8 +367,8 @@ static bool f15h_ic_mce(u16 ec, u8 xec) static void amd_decode_ic_mce(struct mce *m) { - u16 ec = m->status & 0xffff; - u8 xec = (m->status >> 16) & xec_mask; + u16 ec = EC(m->status); + u8 xec = XEC(m->status, xec_mask); pr_emerg(HW_ERR "Instruction Cache Error: "); @@ -398,8 +387,8 @@ static void amd_decode_ic_mce(struct mce *m) static void amd_decode_bu_mce(struct mce *m) { - u32 ec = m->status & 0xffff; - u32 xec = (m->status >> 16) & xec_mask; + u16 ec = EC(m->status); + u8 xec = XEC(m->status, xec_mask); pr_emerg(HW_ERR "Bus Unit Error"); @@ -408,23 +397,23 @@ static void amd_decode_bu_mce(struct mce *m) else if (xec == 0x3) pr_cont(" in the victim data buffers.\n"); else if (xec == 0x2 && MEM_ERROR(ec)) - pr_cont(": %s error in the L2 cache tags.\n", RRRR_MSG(ec)); + pr_cont(": %s error in the L2 cache tags.\n", R4_MSG(ec)); else if (xec == 0x0) { if (TLB_ERROR(ec)) pr_cont(": %s error in a Page Descriptor Cache or " "Guest TLB.\n", TT_MSG(ec)); else if (BUS_ERROR(ec)) pr_cont(": %s/ECC error in data read from NB: %s.\n", - RRRR_MSG(ec), PP_MSG(ec)); + R4_MSG(ec), PP_MSG(ec)); else if (MEM_ERROR(ec)) { - u8 rrrr = (ec >> 4) & 0xf; + u8 r4 = R4(ec); - if (rrrr >= 0x7) + if (r4 >= 0x7) pr_cont(": %s error during data copyback.\n", - RRRR_MSG(ec)); - else if (rrrr <= 0x1) + R4_MSG(ec)); + else if (r4 <= 0x1) pr_cont(": %s parity/ECC error during data " - "access from L2.\n", RRRR_MSG(ec)); + "access from L2.\n", R4_MSG(ec)); else goto wrong_bu_mce; } else @@ -440,8 +429,8 @@ wrong_bu_mce: static void amd_decode_cu_mce(struct mce *m) { - u16 ec = m->status & 0xffff; - u8 xec = (m->status >> 16) & xec_mask; + u16 ec = EC(m->status); + u8 xec = XEC(m->status, xec_mask); pr_emerg(HW_ERR "Combined Unit Error: "); @@ -480,8 +469,8 @@ wrong_cu_mce: static void amd_decode_ls_mce(struct mce *m) { - u16 ec = m->status & 0xffff; - u8 xec = (m->status >> 16) & xec_mask; + u16 ec = EC(m->status); + u8 xec = XEC(m->status, xec_mask); if (boot_cpu_data.x86 >= 0x14) { pr_emerg("You shouldn't be seeing an LS MCE on this cpu family," @@ -492,12 +481,12 @@ static void amd_decode_ls_mce(struct mce *m) pr_emerg(HW_ERR "Load Store Error"); if (xec == 0x0) { - u8 r4 = (ec >> 4) & 0xf; + u8 r4 = R4(ec); if (!BUS_ERROR(ec) || (r4 != R4_DRD && r4 != R4_DWR)) goto wrong_ls_mce; - pr_cont(" during %s.\n", RRRR_MSG(ec)); + pr_cont(" during %s.\n", R4_MSG(ec)); } else goto wrong_ls_mce; @@ -605,8 +594,8 @@ static bool nb_noop_mce(u16 ec, u8 xec) void amd_decode_nb_mce(int node_id, struct mce *m, u32 nbcfg) { - u8 xec = (m->status >> 16) & 0x1f; - u16 ec = m->status & 0xffff; + u16 ec = EC(m->status); + u8 xec = XEC(m->status, 0x1f); u32 nbsh = (u32)(m->status >> 32); pr_emerg(HW_ERR "Northbridge Error, node %d: ", node_id); @@ -668,7 +657,7 @@ EXPORT_SYMBOL_GPL(amd_decode_nb_mce); static void amd_decode_fr_mce(struct mce *m) { struct cpuinfo_x86 *c = &boot_cpu_data; - u8 xec = (m->status >> 16) & xec_mask; + u8 xec = XEC(m->status, xec_mask); if (c->x86 == 0xf || c->x86 == 0x11) goto wrong_fr_mce; @@ -694,7 +683,7 @@ wrong_fr_mce: static void amd_decode_fp_mce(struct mce *m) { - u8 xec = (m->status >> 16) & xec_mask; + u8 xec = XEC(m->status, xec_mask); pr_emerg(HW_ERR "Floating Point Unit Error: "); @@ -739,11 +728,11 @@ static inline void amd_decode_err_code(u16 ec) TT_MSG(ec), LL_MSG(ec)); } else if (MEM_ERROR(ec)) { pr_emerg(HW_ERR "Transaction: %s, Type: %s, Cache Level: %s\n", - RRRR_MSG(ec), TT_MSG(ec), LL_MSG(ec)); + R4_MSG(ec), TT_MSG(ec), LL_MSG(ec)); } else if (BUS_ERROR(ec)) { pr_emerg(HW_ERR "Transaction: %s (%s), %s, Cache Level: %s, " "Participating Processor: %s\n", - RRRR_MSG(ec), II_MSG(ec), TO_MSG(ec), LL_MSG(ec), + R4_MSG(ec), II_MSG(ec), TO_MSG(ec), LL_MSG(ec), PP_MSG(ec)); } else pr_emerg(HW_ERR "Huh? Unknown MCE error 0x%x\n", ec); diff --git a/drivers/edac/mce_amd.h b/drivers/edac/mce_amd.h index 8398847..45dda47 100644 --- a/drivers/edac/mce_amd.h +++ b/drivers/edac/mce_amd.h @@ -7,8 +7,8 @@ #define BIT_64(n) (U64_C(1) << (n)) -#define ERROR_CODE(x) ((x) & 0xffff) -#define EXT_ERROR_CODE(x) (((x) >> 16) & 0x1f) +#define EC(x) ((x) & 0xffff) +#define XEC(x, mask) (((x) >> 16) & mask) #define LOW_SYNDROME(x) (((x) >> 15) & 0xff) #define HIGH_SYNDROME(x) (((x) >> 24) & 0xff) @@ -21,15 +21,15 @@ #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(x) ((x) & 0x3) #define LL_MSG(x) ll_msgs[LL(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 RRRR(x) (((x) >> 4) & 0xf) -#define RRRR_MSG(x) ((RRRR(x) < 9) ? rrrr_msgs[RRRR(x)] : "Wrong R4!") +#define R4(x) (((x) >> 4) & 0xf) +#define R4_MSG(x) ((R4(x) < 9) ? rrrr_msgs[R4(x)] : "Wrong R4!") #define K8_NBSH 0x4C |