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authorQiuxu Zhuo <qiuxu.zhuo@intel.com>2018-09-25 03:03:43 +0300
committerBorislav Petkov <bp@suse.de>2018-09-27 17:08:18 +0300
commite5276b1ffa97e3883802f40a5e3a167fe1cb1d20 (patch)
treec750e672e6d613fcf17c1ec81556eb43fe8622fd /arch/x86/include/asm/mce.h
parent93ac57540e9129004b569beee54e50b3519b0b07 (diff)
downloadlinux-e5276b1ffa97e3883802f40a5e3a167fe1cb1d20.tar.xz
x86/mce: Add macros for the corrected error count bit field
The bit field [52:38] of MCi_STATUS contains the corrected error count. Add {*_SHIFT|*_MASK|*_CEC(c)} macros for it. [ bp: use GENMASK_ULL. ] Signed-off-by: Qiuxu Zhuo <qiuxu.zhuo@intel.com> Signed-off-by: Tony Luck <tony.luck@intel.com> Signed-off-by: Borislav Petkov <bp@suse.de> Cc: Aristeu Rozanski <aris@redhat.com> Cc: Mauro Carvalho Chehab <mchehab@s-opensource.com> Cc: linux-edac@vger.kernel.org Cc: x86@kernel.org Link: https://lkml.kernel.org/r/20180925000343.GB5998@agluck-desk
Diffstat (limited to 'arch/x86/include/asm/mce.h')
-rw-r--r--arch/x86/include/asm/mce.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/arch/x86/include/asm/mce.h b/arch/x86/include/asm/mce.h
index 6f95047179eb..97d6969f9a8a 100644
--- a/arch/x86/include/asm/mce.h
+++ b/arch/x86/include/asm/mce.h
@@ -39,6 +39,9 @@
#define MCI_STATUS_PCC BIT_ULL(57) /* processor context corrupt */
#define MCI_STATUS_S BIT_ULL(56) /* Signaled machine check */
#define MCI_STATUS_AR BIT_ULL(55) /* Action required */
+#define MCI_STATUS_CEC_SHIFT 38 /* Corrected Error Count */
+#define MCI_STATUS_CEC_MASK GENMASK_ULL(52,38)
+#define MCI_STATUS_CEC(c) (((c) & MCI_STATUS_CEC_MASK) >> MCI_STATUS_CEC_SHIFT)
/* AMD-specific bits */
#define MCI_STATUS_TCC BIT_ULL(55) /* Task context corrupt */