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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>
This commit is contained in:
Borislav Petkov 2010-09-17 19:22:34 +02:00
parent 2be64bfac7
commit 25a4f8b059
2 changed files with 62 additions and 19 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

79
drivers/edac/mce_amd.c
View File

@ -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:

2
drivers/edac/mce_amd.h
View File

@ -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);
};