linux-kernel - [PATCH 5/8] ACPI, APEI, CPER: Add UEFI 2.4 support for memory error

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:	Fri, 11 Oct 2013 02:32:43 -0400
From:	"Chen, Gong" <gong.chen@...ux.intel.com>
To:	tony.luck@...el.com, bp@...en8.de
Cc:	linux-kernel@...r.kernel.org, linux-acpi@...r.kernel.org,
	"Chen, Gong" <gong.chen@...ux.intel.com>
Subject: [PATCH 5/8] ACPI, APEI, CPER: Add UEFI 2.4 support for memory error

In latest UEFI spec(by now it is 2.4) memory error definition
for CPER (UEFI 2.4 Appendix N Common Platform Error Record)
adds some new fields. These fields help people to locate
memory error on actual DIMM location.

Original-author: Tony Luck <tony.luck@...el.com>
Signed-off-by: Chen, Gong <gong.chen@...ux.intel.com>
---
 drivers/acpi/apei/cper.c | 3 ++-
 include/linux/cper.h     | 7 +++++++
 2 files changed, 9 insertions(+), 1 deletion(-)

diff --git a/drivers/acpi/apei/cper.c b/drivers/acpi/apei/cper.c
index b2e4134..680230c 100644
--- a/drivers/acpi/apei/cper.c
+++ b/drivers/acpi/apei/cper.c
@@ -8,7 +8,7 @@
  * various tables, such as ERST, BERT and HEST etc.
  *
  * For more information about CPER, please refer to Appendix N of UEFI
- * Specification version 2.3.
+ * Specification version 2.4.
  *
  * This program is free software; you can redistribute it and/or
  * modify it under the terms of the GNU General Public License version
@@ -191,6 +191,7 @@ static const char *cper_mem_err_type_strs[] = {
 	"memory sparing",
 	"scrub corrected error",
 	"scrub uncorrected error",
+	"Physical Memory Map-out event",
 };
 
 static void cper_print_mem(const char *pfx, const struct cper_sec_mem_err *mem)
diff --git a/include/linux/cper.h b/include/linux/cper.h
index c230494..bd01c9a 100644
--- a/include/linux/cper.h
+++ b/include/linux/cper.h
@@ -232,6 +232,9 @@ enum {
 #define CPER_MEM_VALID_RESPONDER_ID		0x1000
 #define CPER_MEM_VALID_TARGET_ID		0x2000
 #define CPER_MEM_VALID_ERROR_TYPE		0x4000
+#define CPER_MEM_VALID_RANK_NUMBER		0x8000
+#define CPER_MEM_VALID_CARD_HANDLE		0x10000
+#define CPER_MEM_VALID_MODULE_HANDLE		0x20000
 
 #define CPER_PCIE_VALID_PORT_TYPE		0x0001
 #define CPER_PCIE_VALID_VERSION			0x0002
@@ -347,6 +350,10 @@ struct cper_sec_mem_err {
 	__u64	responder_id;
 	__u64	target_id;
 	__u8	error_type;
+	__u8	reserved;
+	__u16	rank;
+	__u16	mem_array_handle;
+	__u16	mem_dev_handle;
 };
 
 struct cper_sec_pcie {
-- 
1.8.4.rc3

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/