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Commit c66b5a79 authored by Mauro Carvalho Chehab's avatar Mauro Carvalho Chehab
Browse files

edac: add a new memory layer type 



There are some cases where the memory controller layout is
completely hidden. This is the case of firmware-driven error
code, like the one provided by GHES. Add a new layer to be
used on such memory error report mechanisms.

Signed-off-by: default avatarMauro Carvalho Chehab <mchehab@redhat.com>
parent 4ab19b06

drivers/edac/edac_mc.c

+1 −0
Original line number Diff line number Diff line
@@ -900,6 +900,7 @@ const char *edac_layer_name[] = { 
	[EDAC_MC_LAYER_CHANNEL] = "channel",

	[EDAC_MC_LAYER_SLOT] = "slot",

	[EDAC_MC_LAYER_CHIP_SELECT] = "csrow",

	[EDAC_MC_LAYER_ALL_MEM] = "memory",

};

EXPORT_SYMBOL_GPL(edac_layer_name);

include/linux/edac.h

+4 −0
Original line number Diff line number Diff line
@@ -375,6 +375,9 @@ enum scrub_type { 
 * @EDAC_MC_LAYER_CHANNEL:	memory layer is named "channel"

 * @EDAC_MC_LAYER_SLOT:		memory layer is named "slot"

 * @EDAC_MC_LAYER_CHIP_SELECT:	memory layer is named "chip select"

 * @EDAC_MC_LAYER_ALL_MEM:	memory layout is unknown. All memory is mapped

 *				as a single memory area. This is used when

 *				retrieving errors from a firmware driven driver.

 *

 * This enum is used by the drivers to tell edac_mc_sysfs what name should

 * be used when describing a memory stick location.
@@ -384,6 +387,7 @@ enum edac_mc_layer_type { 
	EDAC_MC_LAYER_CHANNEL,

	EDAC_MC_LAYER_SLOT,

	EDAC_MC_LAYER_CHIP_SELECT,

	EDAC_MC_LAYER_ALL_MEM,

};



/**