linux-kernel - [PATCH 1/5] x86/MCE/AMD: Add new MP5, NBIO, and PCIE SMCA bank types

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Message-ID: <20190201225534.8177-2-Yazen.Ghannam@amd.com>
Date:   Fri, 1 Feb 2019 22:55:51 +0000
From:   "Ghannam, Yazen" <Yazen.Ghannam@....com>
To:     "linux-edac@...r.kernel.org" <linux-edac@...r.kernel.org>
CC:     "Ghannam, Yazen" <Yazen.Ghannam@....com>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "bp@...e.de" <bp@...e.de>,
        "tony.luck@...el.com" <tony.luck@...el.com>,
        "x86@...nel.org" <x86@...nel.org>
Subject: [PATCH 1/5] x86/MCE/AMD: Add new MP5, NBIO, and PCIE SMCA bank types

From: Yazen Ghannam <yazen.ghannam@....com>

Add the (HWID, MCATYPE) tuples and names for the new MP5, NBIO, and
PCIE SMCA bank types.

Also, add their respective error descriptions to edac_mce_amd.

Signed-off-by: Yazen Ghannam <yazen.ghannam@....com>
---
 arch/x86/include/asm/mce.h    |  3 +++
 arch/x86/kernel/cpu/mce/amd.c | 12 ++++++++++++
 drivers/edac/mce_amd.c        | 32 ++++++++++++++++++++++++++++++++
 3 files changed, 47 insertions(+)

diff --git a/arch/x86/include/asm/mce.h b/arch/x86/include/asm/mce.h
index c1a812bd5a27..91b65d859ca8 100644
--- a/arch/x86/include/asm/mce.h
+++ b/arch/x86/include/asm/mce.h
@@ -312,6 +312,9 @@ enum smca_bank_types {
 	SMCA_PB,	/* Parameter Block */
 	SMCA_PSP,	/* Platform Security Processor */
 	SMCA_SMU,	/* System Management Unit */
+	SMCA_MP5,	/* Microprocessor 5 Unit */
+	SMCA_NBIO,	/* Northbridge IO Unit */
+	SMCA_PCIE,	/* PCI Express Unit */
 	N_SMCA_BANK_TYPES
 };
 
diff --git a/arch/x86/kernel/cpu/mce/amd.c b/arch/x86/kernel/cpu/mce/amd.c
index ed3327342b40..00f60b8c7e4f 100644
--- a/arch/x86/kernel/cpu/mce/amd.c
+++ b/arch/x86/kernel/cpu/mce/amd.c
@@ -93,6 +93,9 @@ static struct smca_bank_name smca_names[] = {
 	[SMCA_PB]	= { "param_block",	"Parameter Block" },
 	[SMCA_PSP]	= { "psp",		"Platform Security Processor" },
 	[SMCA_SMU]	= { "smu",		"System Management Unit" },
+	[SMCA_MP5]	= { "mp5",		"Microprocessor 5 Unit" },
+	[SMCA_NBIO]	= { "nbio",		"Northbridge IO Unit" },
+	[SMCA_PCIE]	= { "pcie",		"PCI Express Unit" },
 };
 
 static u32 smca_bank_addrs[MAX_NR_BANKS][NR_BLOCKS] __ro_after_init =
@@ -162,6 +165,15 @@ static struct smca_hwid smca_hwid_mcatypes[] = {
 
 	/* System Management Unit MCA type */
 	{ SMCA_SMU,	 HWID_MCATYPE(0x01, 0x0), 0x1 },
+
+	/* Microprocessor 5 Unit MCA type */
+	{ SMCA_MP5,	 HWID_MCATYPE(0x01, 0x2), 0x3FF },
+
+	/* Northbridge IO Unit MCA type */
+	{ SMCA_NBIO,	 HWID_MCATYPE(0x18, 0x0), 0x1F },
+
+	/* PCI Express Unit MCA type */
+	{ SMCA_PCIE,	 HWID_MCATYPE(0x46, 0x0), 0x1F },
 };
 
 struct smca_bank smca_banks[MAX_NR_BANKS];
diff --git a/drivers/edac/mce_amd.c b/drivers/edac/mce_amd.c
index c605089d899f..5ab4ab3f0ce6 100644
--- a/drivers/edac/mce_amd.c
+++ b/drivers/edac/mce_amd.c
@@ -285,6 +285,35 @@ static const char * const smca_smu_mce_desc[] = {
 	"SMU RAM ECC or parity error",
 };
 
+static const char * const smca_mp5_mce_desc[] = {
+	"High SRAM ECC or parity error",
+	"Low SRAM ECC or parity error",
+	"Data Cache Bank A ECC or parity error",
+	"Data Cache Bank B ECC or parity error",
+	"Data Tag Cache Bank A ECC or parity error",
+	"Data Tag Cache Bank B ECC or parity error",
+	"Instruction Cache Bank A ECC or parity error",
+	"Instruction Cache Bank B ECC or parity error",
+	"Instruction Tag Cache Bank A ECC or parity error",
+	"Instruction Tag Cache Bank B ECC or parity error",
+};
+
+static const char * const smca_nbio_mce_desc[] = {
+	"ECC or Parity error",
+	"PCIE error",
+	"SDP ErrEvent error",
+	"SDP Egress Poison Error",
+	"IOHC Internal Poison Error",
+};
+
+static const char * const smca_pcie_mce_desc[] = {
+	"CCIX PER Message logging",
+	"CCIX Read Response with Status: Non-Data Error",
+	"CCIX Write Response with Status: Non-Data Error",
+	"CCIX Read Response with Status: Data Error",
+	"CCIX Non-okay write response with data error",
+};
+
 struct smca_mce_desc {
 	const char * const *descs;
 	unsigned int num_descs;
@@ -304,6 +333,9 @@ static struct smca_mce_desc smca_mce_descs[] = {
 	[SMCA_PB]	= { smca_pb_mce_desc,	ARRAY_SIZE(smca_pb_mce_desc)	},
 	[SMCA_PSP]	= { smca_psp_mce_desc,	ARRAY_SIZE(smca_psp_mce_desc)	},
 	[SMCA_SMU]	= { smca_smu_mce_desc,	ARRAY_SIZE(smca_smu_mce_desc)	},
+	[SMCA_MP5]	= { smca_mp5_mce_desc,	ARRAY_SIZE(smca_mp5_mce_desc)	},
+	[SMCA_NBIO]	= { smca_nbio_mce_desc,	ARRAY_SIZE(smca_nbio_mce_desc)	},
+	[SMCA_PCIE]	= { smca_pcie_mce_desc,	ARRAY_SIZE(smca_pcie_mce_desc)	},
 };
 
 static bool f12h_mc0_mce(u16 ec, u8 xec)
-- 
2.17.1