EDAC, MCE: Add F15h FP MCE decoder

Add decoder for FP MCEs.

Signed-off-by: Borislav Petkov <borislav.petkov@amd.com>

diff --git a/drivers/edac/mce_amd.c b/drivers/edac/mce_amd.c
index afda6de..c14abe3 100644 (file)
--- a/drivers/edac/mce_amd.c
+++ b/drivers/edac/mce_amd.c
@@ -692,6 +692,46 @@ wrong_fr_mce:
        pr_emerg(HW_ERR "Corrupted FR MCE info?\n");
 }
 
        pr_emerg(HW_ERR "Corrupted FR MCE info?\n");
 }
 

+static void amd_decode_fp_mce(struct mce *m)
+{
+       u8 xec = (m->status >> 16) & xec_mask;
+
+       pr_emerg(HW_ERR "Floating Point Unit Error: ");
+
+       switch (xec) {
+       case 0x1:
+               pr_cont("Free List");
+               break;
+
+       case 0x2:
+               pr_cont("Physical Register File");
+               break;
+
+       case 0x3:
+               pr_cont("Retire Queue");
+               break;
+
+       case 0x4:
+               pr_cont("Scheduler table");
+               break;
+
+       case 0x5:
+               pr_cont("Status Register File");
+               break;
+
+       default:
+               goto wrong_fp_mce;
+               break;
+       }
+
+       pr_cont(" parity error.\n");
+
+       return;
+
+wrong_fp_mce:
+       pr_emerg(HW_ERR "Corrupted FP MCE info?\n");
+}
+

 static inline void amd_decode_err_code(u16 ec)
 {
        if (TLB_ERROR(ec)) {
 static inline void amd_decode_err_code(u16 ec)
 {
        if (TLB_ERROR(ec)) {


@@ -777,6 +817,10 @@ int amd_decode_mce(struct notifier_block *nb, unsigned long val, void *data)
                amd_decode_fr_mce(m);
                break;
 
                amd_decode_fr_mce(m);
                break;
 

+       case 6:
+               amd_decode_fp_mce(m);
+               break;
+

        default:
                break;
        }
        default:
                break;
        }