From: Tony Luck <tony.luck@intel.com>
Date: Mon, 12 Mar 2018 11:24:27 -0700
Subject: EDAC: Add new memory type for non-volatile DIMMs
Patch-mainline: v4.17-rc1
Git-commit: 001f86137d3fca3c9002beaa7609c666715ebc70
References: bsc#1099125, fate#326228
There are now non-volatile versions of DIMMs. Add a new entry to "enum
mem_type" and a new string in edac_mem_types[].
Signed-off-by: Tony Luck <tony.luck@intel.com>
Cc: "Rafael J. Wysocki" <rjw@rjwysocki.net>
Cc: Aristeu Rozanski <aris@redhat.com>
Cc: Dan Williams <dan.j.williams@intel.com>
Cc: Jean Delvare <jdelvare@suse.com>
Cc: Len Brown <lenb@kernel.org>
Cc: Mauro Carvalho Chehab <mchehab@kernel.org>
Cc: Qiuxu Zhuo <qiuxu.zhuo@intel.com>
Cc: linux-acpi@vger.kernel.org
Cc: linux-edac <linux-edac@vger.kernel.org>
Cc: linux-nvdimm@lists.01.org
Link: http://lkml.kernel.org/r/20180312182430.10335-3-tony.luck@intel.com
Signed-off-by: Borislav Petkov <bp@suse.de>
Acked-by: Johannes Thumshirn <jthumshirn@suse.de>
---
drivers/edac/edac_mc.c | 3 ++-
include/linux/edac.h | 3 +++
2 files changed, 5 insertions(+), 1 deletion(-)
--- a/drivers/edac/edac_mc.c
+++ b/drivers/edac/edac_mc.c
@@ -214,7 +214,8 @@ const char * const edac_mem_types[] = {
[MEM_RDDR3] = "Registered-DDR3",
[MEM_LRDDR3] = "Load-Reduced-DDR3-RAM",
[MEM_DDR4] = "Unbuffered-DDR4",
- [MEM_RDDR4] = "Registered-DDR4"
+ [MEM_RDDR4] = "Registered-DDR4",
+ [MEM_NVDIMM] = "Non-volatile-RAM",
};
EXPORT_SYMBOL_GPL(edac_mem_types);
--- a/include/linux/edac.h
+++ b/include/linux/edac.h
@@ -186,6 +186,7 @@ static inline char *mc_event_error_type(
* @MEM_RDDR4: Registered DDR4 RAM
* This is a variant of the DDR4 memories.
* @MEM_LRDDR4: Load-Reduced DDR4 memory.
+ * @MEM_NVDIMM: Non-volatile RAM
*/
enum mem_type {
MEM_EMPTY = 0,
@@ -209,6 +210,7 @@ enum mem_type {
MEM_DDR4,
MEM_RDDR4,
MEM_LRDDR4,
+ MEM_NVDIMM,
};
#define MEM_FLAG_EMPTY BIT(MEM_EMPTY)
@@ -231,6 +233,7 @@ enum mem_type {
#define MEM_FLAG_DDR4 BIT(MEM_DDR4)
#define MEM_FLAG_RDDR4 BIT(MEM_RDDR4)
#define MEM_FLAG_LRDDR4 BIT(MEM_LRDDR4)
+#define MEM_FLAG_NVDIMM BIT(MEM_NVDIMM)
/**
* enum edac-type - Error Detection and Correction capabilities and mode