linux-kernel - [PATCH] EDAC/mc: Add new HBM3 memory type

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Message-ID: <20230523085550.391768-1-muralimk@amd.com>
Date:   Tue, 23 May 2023 08:55:49 +0000
From:   Muralidhara M K <muralimk@....com>
To:     <linux-edac@...r.kernel.org>, <x86@...nel.org>
CC:     <linux-kernel@...r.kernel.org>, <bp@...en8.de>, <mingo@...hat.com>,
        <mchehab@...nel.org>, <tony.luck@...el.com>,
        <yazen.ghannam@....com>, <nchatrad@....com>,
        Muralidhara M K <muralidhara.mk@....com>
Subject: [PATCH] EDAC/mc: Add new HBM3 memory type

From: Muralidhara M K <muralidhara.mk@....com>

Add a new entry to 'enum mem_type' and a new string to 'edac_mem_types[]'
for HBM3 (High Bandwidth Memory Gen 3) new memory type.

Signed-off-by: Muralidhara M K <muralidhara.mk@....com>
---
 drivers/edac/edac_mc.c | 1 +
 include/linux/edac.h   | 3 +++
 2 files changed, 4 insertions(+)

diff --git a/drivers/edac/edac_mc.c b/drivers/edac/edac_mc.c
index 6faeb2ab3960..d6eed727b0cd 100644
--- 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 fa4bda2a70f6..1174beb94ab6 100644
--- 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
-- 
2.25.1