EDAC/mc: Add new HBM2 memory type

Bugzilla: https://bugzilla.redhat.com/show_bug.cgi?id=2165650
Tested: tested with the EMR machine we have in the lab

commit e1ca90b
Author: Naveen Krishna Chatradhi <nchatrad@amd.com>
Date:   Wed Jun 30 20:58:24 2021 +0530

    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

Signed-off-by: Aristeu Rozanski <arozansk@redhat.com>

Author: aristeu

drivers/edac/edac_mc.c

@@ -168,6 +168,7 @@ const char * const edac_mem_types[] = {
 	[MEM_LRDDR5]	= "Load-Reduced-DDR5-RAM",
 	[MEM_NVDIMM]	= "Non-volatile-RAM",
 	[MEM_WIO2]	= "Wide-IO-2",
+	[MEM_HBM2]	= "High-bandwidth-memory-Gen2",
 };
 EXPORT_SYMBOL_GPL(edac_mem_types);
 

include/linux/edac.h

@@ -186,6 +186,7 @@ static inline char *mc_event_error_type(const unsigned int err_type)
  * @MEM_LRDDR5:		Load-Reduced DDR5 memory.
  * @MEM_NVDIMM:		Non-volatile RAM
  * @MEM_WIO2:		Wide I/O 2.
+ * @MEM_HBM2:		High bandwidth Memory Gen 2.
  */
 enum mem_type {
 	MEM_EMPTY = 0,
@@ -216,6 +217,7 @@ enum mem_type {
 	MEM_LRDDR5,
 	MEM_NVDIMM,
 	MEM_WIO2,
+	MEM_HBM2,
 };
 
 #define MEM_FLAG_EMPTY		BIT(MEM_EMPTY)
@@ -245,6 +247,7 @@ enum mem_type {
 #define MEM_FLAG_LRDDR5         BIT(MEM_LRDDR5)
 #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