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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: Mauro Carvalho Chehab <mchehab@redhat.com>
This commit is contained in:
Mauro Carvalho Chehab 2013-02-15 07:21:08 -03:00
parent 4ab19b06ac
commit c66b5a79a9
2 changed files with 5 additions and 0 deletions
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1
drivers/edac/edac_mc.c
View File

@ -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);

4
include/linux/edac.h
View File

@ -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,
};
/**