From: Qiuxu Zhuo <qiuxu.zhuo@intel.com>
Date: Tue, 17 Nov 2020 20:49:52 +0800
Subject: EDAC: Add DDR5 new memory type
Git-commit: bc1c99a5971aa7571e8b9731c28fa32abe12cab8
Patch-mainline: v5.11-rc1
References: jsc#SLE-13358
Add a new entry to 'enum mem_type' and a new string to
'edac_mem_types[]' for DDR5 new memory type.
Signed-off-by: Qiuxu Zhuo <qiuxu.zhuo@intel.com>
Signed-off-by: Tony Luck <tony.luck@intel.com>
Acked-by: Borislav Petkov <bp@suse.de>
---
drivers/edac/edac_mc.c | 1 +
include/linux/edac.h | 3 +++
2 files changed, 4 insertions(+)
--- a/drivers/edac/edac_mc.c
+++ b/drivers/edac/edac_mc.c
@@ -222,6 +222,7 @@ const char * const edac_mem_types[] = {
[MEM_DDR4] = "Unbuffered-DDR4",
[MEM_RDDR4] = "Registered-DDR4",
[MEM_LRDDR4] = "Load-Reduced-DDR4-RAM",
+ [MEM_DDR5] = "Unbuffered-DDR5",
[MEM_NVDIMM] = "Non-volatile-RAM",
};
EXPORT_SYMBOL_GPL(edac_mem_types);
--- a/include/linux/edac.h
+++ b/include/linux/edac.h
@@ -187,6 +187,7 @@ 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_DDR5: Unbuffered DDR5 RAM
* @MEM_NVDIMM: Non-volatile RAM
*/
enum mem_type {
@@ -211,6 +212,7 @@ enum mem_type {
MEM_DDR4,
MEM_RDDR4,
MEM_LRDDR4,
+ MEM_DDR5,
MEM_NVDIMM,
};
@@ -234,6 +236,7 @@ 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_DDR5 BIT(MEM_DDR5)
#define MEM_FLAG_NVDIMM BIT(MEM_NVDIMM)
/**