Commit e5276b1f authored Sep 24, 2018 by Qiuxu Zhuo Committed by Borislav Petkov Sep 27, 2018

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

parent 93ac5754

arch/x86/include/asm/mce.h

+3 −0

Original line number	Diff line number	Diff line
		@@ -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 */

Admin message