EDAC: Add DDR5 new memory type

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>

diff --git a/drivers/edac/edac_mc.c b/drivers/edac/edac_mc.c
index eef8724faae082387806010b4c74ac7330053e82..f6d462d0be2d552de828f3ee2b85980aaf32ef2d 100644 (file)
--- a/drivers/edac/edac_mc.c
+++ b/drivers/edac/edac_mc.c
@@ -163,6 +163,7 @@ const char * const edac_mem_types[] = {
        [MEM_RDDR4]     = "Registered-DDR4",
        [MEM_LPDDR4]    = "Low-Power-DDR4-RAM",
        [MEM_LRDDR4]    = "Load-Reduced-DDR4-RAM",
+       [MEM_DDR5]      = "Unbuffered-DDR5",
        [MEM_NVDIMM]    = "Non-volatile-RAM",
        [MEM_WIO2]      = "Wide-IO-2",
 };

diff --git a/include/linux/edac.h b/include/linux/edac.h
index 8f63245f7f7c18125c8e397d59628a4a0379429d..e64b73b556eb5d512cb60fd06e8a8bf8481868a0 100644 (file)
--- a/include/linux/edac.h
+++ b/include/linux/edac.h
@@ -181,6 +181,7 @@ static inline char *mc_event_error_type(const unsigned int err_type)
  *                     This is a variant of the DDR4 memories.
  * @MEM_LRDDR4:                Load-Reduced DDR4 memory.
  * @MEM_LPDDR4:                Low-Power DDR4 memory.
+ * @MEM_DDR5:          Unbuffered DDR5 RAM
  * @MEM_NVDIMM:                Non-volatile RAM
  * @MEM_WIO2:          Wide I/O 2.
  */
@@ -208,6 +209,7 @@ enum mem_type {
        MEM_RDDR4,
        MEM_LRDDR4,
        MEM_LPDDR4,
+       MEM_DDR5,
        MEM_NVDIMM,
        MEM_WIO2,
 };
@@ -234,6 +236,7 @@ enum mem_type {
 #define MEM_FLAG_RDDR4          BIT(MEM_RDDR4)
 #define MEM_FLAG_LRDDR4         BIT(MEM_LRDDR4)
 #define MEM_FLAG_LPDDR4         BIT(MEM_LPDDR4)
+#define MEM_FLAG_DDR5           BIT(MEM_DDR5)
 #define MEM_FLAG_NVDIMM         BIT(MEM_NVDIMM)
 #define MEM_FLAG_WIO2          BIT(MEM_WIO2)