EDAC/mc: Add new HBM2 memory type

Add a new entry to 'enum mem_type' and a new string to 'edac_mem_types[]'
for HBM2 (High Bandwidth Memory Gen 2) new memory type.

Reviewed-by: Yazen Ghannam <yazen.ghannam@amd.com>
Signed-off-by: Muralidhara M K <muralimk@amd.com>
Signed-off-by: Naveen Krishna Chatradhi <nchatrad@amd.com>
Signed-off-by: Tony Luck <tony.luck@intel.com>
Link: https://lore.kernel.org/r/20210630152828.162659-4-nchatrad@amd.com

diff --git a/drivers/edac/edac_mc.c b/drivers/edac/edac_mc.c
index f6d462d..2c59756 100644 (file)
--- a/drivers/edac/edac_mc.c
+++ b/drivers/edac/edac_mc.c
@@ -166,6 +166,7 @@ const char * const edac_mem_types[] = {
        [MEM_DDR5]      = "Unbuffered-DDR5",
        [MEM_NVDIMM]    = "Non-volatile-RAM",
        [MEM_WIO2]      = "Wide-IO-2",
+       [MEM_HBM2]      = "High-bandwidth-memory-Gen2",
 };
 EXPORT_SYMBOL_GPL(edac_mem_types);
 

diff --git a/include/linux/edac.h b/include/linux/edac.h
index 76d3562..4207d06 100644 (file)
--- a/include/linux/edac.h
+++ b/include/linux/edac.h
@@ -184,6 +184,7 @@ static inline char *mc_event_error_type(const unsigned int err_type)
  * @MEM_DDR5:          Unbuffered DDR5 RAM
  * @MEM_NVDIMM:                Non-volatile RAM
  * @MEM_WIO2:          Wide I/O 2.
+ * @MEM_HBM2:          High bandwidth Memory Gen 2.
  */
 enum mem_type {
        MEM_EMPTY = 0,
@@ -212,6 +213,7 @@ enum mem_type {
        MEM_DDR5,
        MEM_NVDIMM,
        MEM_WIO2,
+       MEM_HBM2,
 };
 
 #define MEM_FLAG_EMPTY         BIT(MEM_EMPTY)
@@ -239,6 +241,7 @@ enum mem_type {
 #define MEM_FLAG_DDR5           BIT(MEM_DDR5)
 #define MEM_FLAG_NVDIMM         BIT(MEM_NVDIMM)
 #define MEM_FLAG_WIO2          BIT(MEM_WIO2)
+#define MEM_FLAG_HBM2          BIT(MEM_HBM2)
 
 /**
  * enum edac_type - Error Detection and Correction capabilities and mode