diff options
author | Borislav Petkov <borislav.petkov@amd.com> | 2010-09-17 17:22:34 (GMT) |
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committer | Borislav Petkov <borislav.petkov@amd.com> | 2011-01-07 10:54:14 (GMT) |
commit | 25a4f8b05917f8137bfff8a3f8c6c8c1ac561208 (patch) | |
tree | 8fc91785a6d142c9bf9f72c85df6b4abc234e152 /drivers/edac | |
parent | 2be64bfac71378e1aa8c20031a499bd55e391244 (diff) | |
download | linux-fsl-qoriq-25a4f8b05917f8137bfff8a3f8c6c8c1ac561208.tar.xz |
EDAC, MCE: Add F15h DC MCE decoder
Add a decoder for F15h DC MCEs to support the new types of DC MCEs
introduced by the BD microarchitecture.
Signed-off-by: Borislav Petkov <borislav.petkov@amd.com>
Diffstat (limited to 'drivers/edac')
-rw-r--r-- | drivers/edac/mce_amd.c | 79 | ||||
-rw-r--r-- | drivers/edac/mce_amd.h | 2 |
2 files changed, 62 insertions, 19 deletions
diff --git a/drivers/edac/mce_amd.c b/drivers/edac/mce_amd.c index 01853ee..12bae3b 100644 --- a/drivers/edac/mce_amd.c +++ b/drivers/edac/mce_amd.c @@ -75,7 +75,7 @@ static const char *f10h_nb_mce_desc[] = { "ECC Error in the Probe Filter directory" }; -static bool f12h_dc_mce(u16 ec) +static bool f12h_dc_mce(u16 ec, u8 xec) { bool ret = false; @@ -93,7 +93,7 @@ static bool f12h_dc_mce(u16 ec) return ret; } -static bool f10h_dc_mce(u16 ec) +static bool f10h_dc_mce(u16 ec, u8 xec) { u8 r4 = (ec >> 4) & 0xf; u8 ll = ec & 0x3; @@ -102,20 +102,20 @@ static bool f10h_dc_mce(u16 ec) pr_cont("during data scrub.\n"); return true; } - return f12h_dc_mce(ec); + return f12h_dc_mce(ec, xec); } -static bool k8_dc_mce(u16 ec) +static bool k8_dc_mce(u16 ec, u8 xec) { if (BUS_ERROR(ec)) { pr_cont("during system linefill.\n"); return true; } - return f10h_dc_mce(ec); + return f10h_dc_mce(ec, xec); } -static bool f14h_dc_mce(u16 ec) +static bool f14h_dc_mce(u16 ec, u8 xec) { u8 r4 = (ec >> 4) & 0xf; u8 ll = ec & 0x3; @@ -170,6 +170,54 @@ static bool f14h_dc_mce(u16 ec) return ret; } +static bool f15h_dc_mce(u16 ec, u8 xec) +{ + bool ret = true; + + if (MEM_ERROR(ec)) { + + switch (xec) { + case 0x0: + pr_cont("Data Array access error.\n"); + break; + + case 0x1: + pr_cont("UC error during a linefill from L2/NB.\n"); + break; + + case 0x2: + case 0x11: + pr_cont("STQ access error.\n"); + break; + + case 0x3: + pr_cont("SCB access error.\n"); + break; + + case 0x10: + pr_cont("Tag error.\n"); + break; + + case 0x12: + pr_cont("LDQ access error.\n"); + break; + + default: + ret = false; + } + } else if (BUS_ERROR(ec)) { + + if (!xec) + pr_cont("during system linefill.\n"); + else + pr_cont(" Internal %s condition.\n", + ((xec == 1) ? "livelock" : "deadlock")); + } else + ret = false; + + return ret; +} + static void amd_decode_dc_mce(struct mce *m) { u16 ec = m->status & 0xffff; @@ -183,20 +231,14 @@ static void amd_decode_dc_mce(struct mce *m) if (tt == TT_DATA) { pr_cont("%s TLB %s.\n", LL_MSG(ec), - (xec ? "multimatch" : "parity error")); + ((xec == 2) ? "locked miss" + : (xec ? "multimatch" : "parity"))); return; } - else - goto wrong_dc_mce; - } - - if (!fam_ops->dc_mce(ec)) - goto wrong_dc_mce; - - return; - -wrong_dc_mce: - pr_emerg(HW_ERR "Corrupted DC MCE info?\n"); + } else if (fam_ops->dc_mce(ec, xec)) + ; + else + pr_emerg(HW_ERR "Corrupted DC MCE info?\n"); } static bool k8_ic_mce(u16 ec) @@ -654,6 +696,7 @@ static int __init mce_amd_init(void) case 0x15: xec_mask = 0x1f; + fam_ops->dc_mce = f15h_dc_mce; break; default: diff --git a/drivers/edac/mce_amd.h b/drivers/edac/mce_amd.h index 35f6e0e..c12394d 100644 --- a/drivers/edac/mce_amd.h +++ b/drivers/edac/mce_amd.h @@ -100,7 +100,7 @@ struct err_regs { * per-family decoder ops */ struct amd_decoder_ops { - bool (*dc_mce)(u16); + bool (*dc_mce)(u16, u8); bool (*ic_mce)(u16); bool (*nb_mce)(u16, u8); }; |