Commit ad0d73b3 authored May 09, 2018 by Toshi Kani Committed by Borislav Petkov May 12, 2018

EDAC, ghes: Add DDR4 and NVDIMM memory types



The ghes_edac driver obtains memory type from SMBIOS type 17, but it
does not recognize DDR4 and NVDIMM types.

Add support of DDR4 and NVDIMM types. NVDIMM type is denoted by memory
type DDR3/4 and non-volatile.

Reported-by: Robert Elliott <elliott@hpe.com>
Signed-off-by: Toshi Kani <toshi.kani@hpe.com>
Cc: Mauro Carvalho Chehab <mchehab@kernel.org>
Cc: linux-edac <linux-edac@vger.kernel.org>
Link: http://lkml.kernel.org/r/20180509222030.9299-1-toshi.kani@hpe.com


Signed-off-by: Borislav Petkov <bp@suse.de>

parent e9918d7f

drivers/edac/ghes_edac.c

+11 −1

Original line number	Diff line number	Diff line
		@@ -123,11 +123,21 @@ static void ghes_edac_dmidecode(const struct dmi_header dh, void arg)
		dimm->mtype = MEM_FB_DDR2;
		break;
		case 0x18:
		if (entry->type_detail & 1 << 13)
		if (entry->type_detail & 1 << 12)
		dimm->mtype = MEM_NVDIMM;
		else if (entry->type_detail & 1 << 13)
		dimm->mtype = MEM_RDDR3;
		else
		dimm->mtype = MEM_DDR3;
		break;
		case 0x1a:
		if (entry->type_detail & 1 << 12)
		dimm->mtype = MEM_NVDIMM;
		else if (entry->type_detail & 1 << 13)
		dimm->mtype = MEM_RDDR4;
		else
		dimm->mtype = MEM_DDR4;
		break;
		default:
		if (entry->type_detail & 1 << 6)
		dimm->mtype = MEM_RMBS;

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