EDAC/mc: Add support for HBM3 memory type

AMD MI300A models use HBM3 (High Bandwidth Memory Gen 3) memory. HBM is
a high-speed computer memory interface for 3D-stacked synchronous
dynamic random-access memory (SDRAM).

Signed-off-by: Muralidhara M K <muralidhara.mk@amd.com>
Signed-off-by: Borislav Petkov (AMD) <bp@alien8.de>
Link: https://lore.kernel.org/r/20231102114225.2006878-4-muralimk@amd.com

diff --git a/drivers/edac/edac_mc.c b/drivers/edac/edac_mc.c
index 6faeb2ab39601b561924aa6ec04ace126b963489..d6eed727b0cd2ef8d4836647c7f1c56d2ce071a5 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_NVDIMM]    = "Non-volatile-RAM",
        [MEM_WIO2]      = "Wide-IO-2",
        [MEM_HBM2]      = "High-bandwidth-memory-Gen2",
+       [MEM_HBM3]      = "High-bandwidth-memory-Gen3",
 };
 EXPORT_SYMBOL_GPL(edac_mem_types);
 

diff --git a/include/linux/edac.h b/include/linux/edac.h
index fa4bda2a70f6c61aa7a231f4b4710ffc7b8fe996..1174beb94ab6da27151cf3a410be892b6fb2d43f 100644 (file)
--- a/include/linux/edac.h
+++ b/include/linux/edac.h
@@ -187,6 +187,7 @@ static inline char *mc_event_error_type(const unsigned int err_type)
  * @MEM_NVDIMM:                Non-volatile RAM
  * @MEM_WIO2:          Wide I/O 2.
  * @MEM_HBM2:          High bandwidth Memory Gen 2.
+ * @MEM_HBM3:          High bandwidth Memory Gen 3.
  */
 enum mem_type {
        MEM_EMPTY = 0,
@@ -218,6 +219,7 @@ enum mem_type {
        MEM_NVDIMM,
        MEM_WIO2,
        MEM_HBM2,
+       MEM_HBM3,
 };
 
 #define MEM_FLAG_EMPTY         BIT(MEM_EMPTY)
@@ -248,6 +250,7 @@ enum mem_type {
 #define MEM_FLAG_NVDIMM                BIT(MEM_NVDIMM)
 #define MEM_FLAG_WIO2          BIT(MEM_WIO2)
 #define MEM_FLAG_HBM2          BIT(MEM_HBM2)
+#define MEM_FLAG_HBM3          BIT(MEM_HBM3)
 
 /**
  * enum edac_type - Error Detection and Correction capabilities and mode