Commit 3b203693 authored by Qiuxu Zhuo's avatar Qiuxu Zhuo Committed by Tony Luck
Browse files

EDAC: Add three new memory types 



There are {Low-Power DDR3/4, WIO2} types of memory.
Add new entries to 'enum mem_type' and new strings to
'edac_mem_types[]' for the new types.

Signed-off-by: default avatarQiuxu Zhuo <qiuxu.zhuo@intel.com>
Signed-off-by: default avatarTony Luck <tony.luck@intel.com>
parent 3650b228

drivers/edac/edac_mc.c

+3 −0
Original line number Diff line number Diff line
@@ -158,10 +158,13 @@ const char * const edac_mem_types[] = { 
	[MEM_DDR3]	= "Unbuffered-DDR3",

	[MEM_RDDR3]	= "Registered-DDR3",

	[MEM_LRDDR3]	= "Load-Reduced-DDR3-RAM",

	[MEM_LPDDR3]	= "Low-Power-DDR3-RAM",

	[MEM_DDR4]	= "Unbuffered-DDR4",

	[MEM_RDDR4]	= "Registered-DDR4",

	[MEM_LPDDR4]	= "Low-Power-DDR4-RAM",

	[MEM_LRDDR4]	= "Load-Reduced-DDR4-RAM",

	[MEM_NVDIMM]	= "Non-volatile-RAM",

	[MEM_WIO2]	= "Wide-IO-2",

};

EXPORT_SYMBOL_GPL(edac_mem_types);

include/linux/edac.h

+9 −0
Original line number Diff line number Diff line
@@ -175,11 +175,14 @@ static inline char *mc_event_error_type(const unsigned int err_type) 
 * @MEM_RDDR3:		Registered DDR3 RAM

 *			This is a variant of the DDR3 memories.

 * @MEM_LRDDR3:		Load-Reduced DDR3 memory.

 * @MEM_LPDDR3:		Low-Power DDR3 memory.

 * @MEM_DDR4:		Unbuffered DDR4 RAM

 * @MEM_RDDR4:		Registered DDR4 RAM

 *			This is a variant of the DDR4 memories.

 * @MEM_LRDDR4:		Load-Reduced DDR4 memory.

 * @MEM_LPDDR4:		Low-Power DDR4 memory.

 * @MEM_NVDIMM:		Non-volatile RAM

 * @MEM_WIO2:		Wide I/O 2.

 */

enum mem_type {

	MEM_EMPTY = 0,
@@ -200,10 +203,13 @@ enum mem_type { 
	MEM_DDR3,

	MEM_RDDR3,

	MEM_LRDDR3,

	MEM_LPDDR3,

	MEM_DDR4,

	MEM_RDDR4,

	MEM_LRDDR4,

	MEM_LPDDR4,

	MEM_NVDIMM,

	MEM_WIO2,

};



#define MEM_FLAG_EMPTY		BIT(MEM_EMPTY)
@@ -223,10 +229,13 @@ enum mem_type { 
#define MEM_FLAG_XDR            BIT(MEM_XDR)

#define MEM_FLAG_DDR3           BIT(MEM_DDR3)

#define MEM_FLAG_RDDR3          BIT(MEM_RDDR3)

#define MEM_FLAG_LPDDR3         BIT(MEM_LPDDR3)

#define MEM_FLAG_DDR4           BIT(MEM_DDR4)

#define MEM_FLAG_RDDR4          BIT(MEM_RDDR4)

#define MEM_FLAG_LRDDR4         BIT(MEM_LRDDR4)

#define MEM_FLAG_LPDDR4         BIT(MEM_LPDDR4)

#define MEM_FLAG_NVDIMM         BIT(MEM_NVDIMM)

#define MEM_FLAG_WIO2		BIT(MEM_WIO2)



/**

 * enum edac-type - Error Detection and Correction capabilities and mode