From: Pierre Gondois <pierre.gondois@arm.com>
To: linux-kernel@vger.kernel.org
Cc: James Morse <james.morse@arm.com>,
Mark Brown <broonie@kernel.org>,
Pierre Gondois <pierre.gondois@arm.com>,
"Rafael J. Wysocki" <rafael@kernel.org>,
Len Brown <lenb@kernel.org>, Tony Luck <tony.luck@intel.com>,
Borislav Petkov <bp@alien8.de>, Hanjun Guo <guohanjun@huawei.com>,
Mauro Carvalho Chehab <mchehab@kernel.org>,
Shuai Xue <xueshuai@linux.alibaba.com>,
Maciej Wieczor-Retman <maciej.wieczor-retman@intel.com>,
Pawel Chmielewski <pawel.chmielewski@intel.com>,
Jonathan Cameron <jonathan.cameron@oss.qualcomm.com>,
Dave Jiang <dave.jiang@intel.com>,
"Fabio M. De Francesco" <fabio.m.de.francesco@linux.intel.com>,
Breno Leitao <leitao@debian.org>, Dan Williams <djbw@kernel.org>,
Terry Bowman <terry.bowman@amd.com>,
Ard Biesheuvel <ardb@kernel.org>,
Morduan Zang <zhangdandan@uniontech.com>,
linux-acpi@vger.kernel.org, linux-edac@vger.kernel.org,
acpica-devel@lists.linux.dev
Subject: [PATCH 2/6] cper: add Memory Error Section 2 structures
Date: Mon, 19 Oct 2026 16:56:09 +0200 [thread overview]
Message-ID: <20261019145643.1877246-3-pierre.gondois@arm.com> (raw)
In-Reply-To: <20261019145643.1877246-1-pierre.gondois@arm.com>
Add CPER Memory Error Section 2 definitions to the CPER headers.
Signed-off-by: Pierre Gondois <pierre.gondois@arm.com>
---
include/linux/cper.h | 54 ++++++++++++++++++++++++++++++++++++++++++++
1 file changed, 54 insertions(+)
diff --git a/include/linux/cper.h b/include/linux/cper.h
index 440b35e459e5..76e82a8d29a2 100644
--- a/include/linux/cper.h
+++ b/include/linux/cper.h
@@ -198,6 +198,10 @@ enum {
#define CPER_SEC_PLATFORM_MEM \
GUID_INIT(0xA5BC1114, 0x6F64, 0x4EDE, 0xB8, 0x63, 0x3E, 0x83, \
0xED, 0x7C, 0x83, 0xB1)
+/* Platform Memory 2 */
+#define CPER_SEC_PLATFORM_MEM2 \
+ GUID_INIT(0x61EC04FC, 0x48E6, 0xD813, 0x25, 0xC9, 0x8D, 0xAA, \
+ 0x44, 0x75, 0x0B, 0x12)
#define CPER_SEC_PCIE \
GUID_INIT(0xD995E954, 0xBBC1, 0x430F, 0xAD, 0x91, 0xB4, 0x4D, \
0xCB, 0x3C, 0x6F, 0x35)
@@ -262,6 +266,30 @@ enum {
#define CPER_MEM_VALID_BANK_ADDRESS 0x100000
#define CPER_MEM_VALID_CHIP_ID 0x200000
+/* Memory Error Section 2 validation bits, UEFI v2.11 sec N.2.6. */
+#define CPER_MEM2_VALID_ERROR_STATUS BIT_ULL(0)
+#define CPER_MEM2_VALID_PA BIT_ULL(1)
+#define CPER_MEM2_VALID_PA_MASK BIT_ULL(2)
+#define CPER_MEM2_VALID_NODE BIT_ULL(3)
+#define CPER_MEM2_VALID_CARD BIT_ULL(4)
+#define CPER_MEM2_VALID_MODULE BIT_ULL(5)
+#define CPER_MEM2_VALID_BANK BIT_ULL(6)
+#define CPER_MEM2_VALID_DEVICE BIT_ULL(7)
+#define CPER_MEM2_VALID_ROW BIT_ULL(8)
+#define CPER_MEM2_VALID_COLUMN BIT_ULL(9)
+#define CPER_MEM2_VALID_RANK_NUMBER BIT_ULL(10)
+#define CPER_MEM2_VALID_BIT_POSITION BIT_ULL(11)
+#define CPER_MEM2_VALID_CHIP_ID BIT_ULL(12)
+#define CPER_MEM2_VALID_ERROR_TYPE BIT_ULL(13)
+#define CPER_MEM2_VALID_STATUS BIT_ULL(14)
+#define CPER_MEM2_VALID_REQUESTOR_ID BIT_ULL(15)
+#define CPER_MEM2_VALID_RESPONDER_ID BIT_ULL(16)
+#define CPER_MEM2_VALID_TARGET_ID BIT_ULL(17)
+#define CPER_MEM2_VALID_CARD_HANDLE BIT_ULL(18)
+#define CPER_MEM2_VALID_MODULE_HANDLE BIT_ULL(19)
+#define CPER_MEM2_VALID_BANK_GROUP BIT_ULL(20)
+#define CPER_MEM2_VALID_BANK_ADDRESS BIT_ULL(21)
+
#define CPER_MEM_EXT_ROW_MASK 0x3
#define CPER_MEM_EXT_ROW_SHIFT 16
@@ -506,6 +534,32 @@ struct cper_sec_mem_err {
u16 mem_dev_handle; /* "module handle" in UEFI 2.4 */
};
+/* Memory Error Section 2, UEFI v2.11 sec N.2.6 */
+struct cper_sec_mem_err2 {
+ u64 validation_bits;
+ u64 error_status;
+ u64 physical_addr;
+ u64 physical_addr_mask;
+ u16 node;
+ u16 card;
+ u16 module;
+ u16 bank;
+ u32 device;
+ u32 row;
+ u32 column;
+ u32 rank;
+ u32 bit_pos;
+ u8 chip_id;
+ u8 error_type;
+ u8 status;
+ u8 reserved;
+ u64 requestor_id;
+ u64 responder_id;
+ u64 target_id;
+ u32 mem_array_handle; /* "card handle" */
+ u32 mem_dev_handle; /* "module handle" */
+};
+
struct cper_mem_err_compact {
u64 validation_bits;
u16 node;
--
2.43.0
next prev parent reply other threads:[~2026-10-19 14:57 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-10-19 14:56 [PATCH 0/6] CPER: Add Memory Error Section 2 support Pierre Gondois
2026-10-19 14:56 ` [PATCH 1/6] ACPI: extlog: fix extlog_mem_event build issue Pierre Gondois
2026-10-19 16:36 ` Jonathan Cameron
2026-10-19 17:55 ` Pierre Gondois
2026-10-19 14:56 ` Pierre Gondois [this message]
2026-10-19 18:16 ` [PATCH 2/6] cper: add Memory Error Section 2 structures Jonathan Cameron
2026-10-19 14:56 ` [PATCH 3/6] cper: use BIT_ULL() for processor and memory validation bits Pierre Gondois
2026-10-19 18:21 ` Jonathan Cameron
2026-10-19 14:56 ` [PATCH 4/6] cper: add helpers to handle Memory Error Section 2 Pierre Gondois
2026-10-19 19:13 ` Jonathan Cameron
2026-10-19 14:56 ` [PATCH 5/6] ACPI: APEI: add separate Memory Error Section 2 handlers Pierre Gondois
2026-10-19 19:24 ` Jonathan Cameron
2026-10-19 14:56 ` [RFC PATCH 6/6] ACPI: extlog: add Memory Error Section 2 trace event Pierre Gondois
2026-10-19 19:28 ` Jonathan Cameron
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