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Thu, 06 Feb 2025 05:19:38 -0800 (PST) Received: from L4CR4519N7.bytedance.net ([203.208.189.11]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-21f3683d987sm12170775ad.120.2025.02.06.05.19.33 (version=TLS1_3 cipher=TLS_CHACHA20_POLY1305_SHA256 bits=256/256); Thu, 06 Feb 2025 05:19:38 -0800 (PST) From: Rui Qi X-Google-Original-From: Rui Qi To: paul.walmsley@sifive.com, palmer@dabbelt.com, aou@eecs.berkeley.edu, ardb@kernel.org, haibo1.xu@intel.com, guohanjun@huawei.com, sunilvl@ventanamicro.com, samuel.holland@sifive.com, parri.andrea@gmail.com, ericchancf@google.com Cc: linux-riscv@lists.infradead.org, linux-kernel@vger.kernel.org, linux-efi@vger.kernel.org, Rui Qi Subject: [RFC 0/5] riscv: initial support for Generic Hardware Error Source (GHES) Date: Thu, 6 Feb 2025 21:19:21 +0800 Message-Id: <20250206131926.91289-1-qirui.001@bytedance.com> X-Mailer: git-send-email 2.39.3 (Apple Git-146) MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20250206_051942_571937_FD1482F3 X-CRM114-Status: UNSURE ( 5.89 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-riscv@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-riscv" Errors-To: linux-riscv-bounces+linux-riscv=archiver.kernel.org@lists.infradead.org From: Rui Qi NOTE: Before compiling the kernel, enable ACPI, APEI and GHES in menuconfig The following options must be enabled in .config file. CONFIG_HAVE_ACPI_APEI=y CONFIG_ACPI_APEI=y CONFIG_ACPI_APEI_GHES=y Through fault injection, we can see the following example output [Hardware Error]: Hardware error from APEI Generic Hardware Error Source: 0 [Hardware Error]: event severity info [Hardware Error]: Error 0, type: corrected [Hardware Error]: section_type: memory error [Hardware Error]: error_status: Storage error in DRAM memory (0x018d8480019304f0) [Hardware Error]: node:0 card:0 module:0 rank:0 bank:0 device:0 row:0 column:0 [Hardware Error]: error_type: 2, single-bit ECC [Hardware Error]: Error 1, type: corrected [Hardware Error]: section_type: Flle error [Hardware Error]: port_type: 4, root port [Hardware Error]: version: 3.0 [Hardware Error]: command: 0x0146, status: 0x0011 [Hardware Error]: device_id: 0000:00:00,0 [Hardware Error]: slot: 0 [Hardware Error]: secondary_bus: 0x01 [Hardware Error]: vendor_id: 0x1e93, device_id: 0x1010 [Hardware Error]: class_code: 060400 [Hardware Error]: bridge: secondary_status: 0x0000, control: 0x0003 [Hardware Error]: aer_cor_status: 0x00001000, aer_cor_mask: 0x0000000 [Hardware Error]: aer_uncor_status: 0x00000000, aer_uncor_mask: 0x04000000 [Hardware Error]: aer_uncor_severity: 0x004e3030 [Hardware Error]: TLP Header: 000000000 000000000 0000000000000000 Rui Qi (5): riscv: select HAVE_ACPI_APEI efi: add riscv APEI generic processor error printing support riscv: add fix map index for GHES IRQ RISC-V: ACPI: define arch_apei_get_mem_attribute RISC-V: define ioremap_cache arch/riscv/Kconfig | 1 + arch/riscv/include/asm/acpi.h | 18 ++++++++++++++++++ arch/riscv/include/asm/fixmap.h | 3 +++ arch/riscv/include/asm/io.h | 5 +++++ drivers/firmware/efi/cper.c | 4 ++++ 5 files changed, 31 insertions(+)