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From: tip-bot for Yazen Ghannam <tipbot@zytor.com>
To: linux-tip-commits@vger.kernel.org
Cc: matt@codeblueprint.co.uk, tglx@linutronix.de,
	peterz@infradead.org, mingo@kernel.org,
	ard.biesheuvel@linaro.org, hpa@zytor.com, yazen.ghannam@amd.com,
	linux-kernel@vger.kernel.org, torvalds@linux-foundation.org
Subject: [tip:efi/core] efi: Decode IA32/X64 Processor Error Info Structure
Date: Mon, 14 May 2018 00:45:45 -0700	[thread overview]
Message-ID: <tip-7c9449b8c8a59511b7d749afb193c96353451c82@git.kernel.org> (raw)
In-Reply-To: <20180504060003.19618-6-ard.biesheuvel@linaro.org>

Commit-ID:  7c9449b8c8a59511b7d749afb193c96353451c82
Gitweb:     https://git.kernel.org/tip/7c9449b8c8a59511b7d749afb193c96353451c82
Author:     Yazen Ghannam <yazen.ghannam@amd.com>
AuthorDate: Fri, 4 May 2018 07:59:51 +0200
Committer:  Ingo Molnar <mingo@kernel.org>
CommitDate: Mon, 14 May 2018 08:57:47 +0200

efi: Decode IA32/X64 Processor Error Info Structure

Print the fields in the IA32/X64 Processor Error Info Structure.

Based on UEFI 2.7 Table 253. IA32/X64 Processor Error Information
Structure.

Signed-off-by: Yazen Ghannam <yazen.ghannam@amd.com>
Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Matt Fleming <matt@codeblueprint.co.uk>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: linux-efi@vger.kernel.org
Link: http://lkml.kernel.org/r/20180504060003.19618-6-ard.biesheuvel@linaro.org
Signed-off-by: Ingo Molnar <mingo@kernel.org>
---
 drivers/firmware/efi/cper-x86.c | 48 +++++++++++++++++++++++++++++++++++++++++
 1 file changed, 48 insertions(+)

diff --git a/drivers/firmware/efi/cper-x86.c b/drivers/firmware/efi/cper-x86.c
index 863f0cd2a0ff..e0633a103fcf 100644
--- a/drivers/firmware/efi/cper-x86.c
+++ b/drivers/firmware/efi/cper-x86.c
@@ -9,9 +9,20 @@
  */
 #define VALID_LAPIC_ID			BIT_ULL(0)
 #define VALID_CPUID_INFO		BIT_ULL(1)
+#define VALID_PROC_ERR_INFO_NUM(bits)	(((bits) & GENMASK_ULL(7, 2)) >> 2)
+
+#define INFO_VALID_CHECK_INFO		BIT_ULL(0)
+#define INFO_VALID_TARGET_ID		BIT_ULL(1)
+#define INFO_VALID_REQUESTOR_ID		BIT_ULL(2)
+#define INFO_VALID_RESPONDER_ID		BIT_ULL(3)
+#define INFO_VALID_IP			BIT_ULL(4)
 
 void cper_print_proc_ia(const char *pfx, const struct cper_sec_proc_ia *proc)
 {
+	int i;
+	struct cper_ia_err_info *err_info;
+	char newpfx[64];
+
 	if (proc->validation_bits & VALID_LAPIC_ID)
 		printk("%sLocal APIC_ID: 0x%llx\n", pfx, proc->lapic_id);
 
@@ -20,4 +31,41 @@ void cper_print_proc_ia(const char *pfx, const struct cper_sec_proc_ia *proc)
 		print_hex_dump(pfx, "", DUMP_PREFIX_OFFSET, 16, 4, proc->cpuid,
 			       sizeof(proc->cpuid), 0);
 	}
+
+	snprintf(newpfx, sizeof(newpfx), "%s ", pfx);
+
+	err_info = (struct cper_ia_err_info *)(proc + 1);
+	for (i = 0; i < VALID_PROC_ERR_INFO_NUM(proc->validation_bits); i++) {
+		printk("%sError Information Structure %d:\n", pfx, i);
+
+		printk("%sError Structure Type: %pUl\n", newpfx,
+		       &err_info->err_type);
+
+		if (err_info->validation_bits & INFO_VALID_CHECK_INFO) {
+			printk("%sCheck Information: 0x%016llx\n", newpfx,
+			       err_info->check_info);
+		}
+
+		if (err_info->validation_bits & INFO_VALID_TARGET_ID) {
+			printk("%sTarget Identifier: 0x%016llx\n",
+			       newpfx, err_info->target_id);
+		}
+
+		if (err_info->validation_bits & INFO_VALID_REQUESTOR_ID) {
+			printk("%sRequestor Identifier: 0x%016llx\n",
+			       newpfx, err_info->requestor_id);
+		}
+
+		if (err_info->validation_bits & INFO_VALID_RESPONDER_ID) {
+			printk("%sResponder Identifier: 0x%016llx\n",
+			       newpfx, err_info->responder_id);
+		}
+
+		if (err_info->validation_bits & INFO_VALID_IP) {
+			printk("%sInstruction Pointer: 0x%016llx\n",
+			       newpfx, err_info->ip);
+		}
+
+		err_info++;
+	}
 }

  reply	other threads:[~2018-05-14  7:46 UTC|newest]

Thread overview: 47+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-05-04  5:59 [GIT PULL 00/17] EFI updates for v4.18 Ard Biesheuvel
2018-05-04  5:59 ` [PATCH 01/17] x86/xen/efi: Initialize UEFI secure boot state during dom0 boot Ard Biesheuvel
2018-05-14  7:43   ` [tip:efi/core] " tip-bot for Daniel Kiper
2018-05-04  5:59 ` [PATCH 02/17] efi/cper: Remove the INDENT_SP silliness Ard Biesheuvel
2018-05-14  7:44   ` [tip:efi/core] " tip-bot for Borislav Petkov
2018-05-04  5:59 ` [PATCH 03/17] efi: Fix IA32/X64 Processor Error Record definition Ard Biesheuvel
2018-05-14  7:44   ` [tip:efi/core] " tip-bot for Yazen Ghannam
2018-05-04  5:59 ` [PATCH 04/17] efi: Decode IA32/X64 Processor Error Section Ard Biesheuvel
2018-05-14  7:45   ` [tip:efi/core] " tip-bot for Yazen Ghannam
2018-05-04  5:59 ` [PATCH 05/17] efi: Decode IA32/X64 Processor Error Info Structure Ard Biesheuvel
2018-05-14  7:45   ` tip-bot for Yazen Ghannam [this message]
2018-05-04  5:59 ` [PATCH 06/17] efi: Decode UEFI-defined IA32/X64 Error Structure GUIDs Ard Biesheuvel
2018-05-14  7:46   ` [tip:efi/core] " tip-bot for Yazen Ghannam
2018-05-04  5:59 ` [PATCH 07/17] efi: Decode IA32/X64 Cache, TLB, and Bus Check structures Ard Biesheuvel
2018-05-14  7:46   ` [tip:efi/core] " tip-bot for Yazen Ghannam
2018-05-04  5:59 ` [PATCH 08/17] efi: Decode additional IA32/X64 Bus Check fields Ard Biesheuvel
2018-05-14  7:47   ` [tip:efi/core] " tip-bot for Yazen Ghannam
2018-05-04  5:59 ` [PATCH 09/17] efi: Decode IA32/X64 MS Check structure Ard Biesheuvel
2018-05-14  7:47   ` [tip:efi/core] " tip-bot for Yazen Ghannam
2018-05-04  5:59 ` [PATCH 10/17] efi: Decode IA32/X64 Context Info structure Ard Biesheuvel
2018-05-14  7:48   ` [tip:efi/core] " tip-bot for Yazen Ghannam
2018-05-04  5:59 ` [PATCH 11/17] efi/libstub/tpm: Make function efi_retrieve_tpm2_eventlog_1_2() static Ard Biesheuvel
2018-05-14  7:48   ` [tip:efi/core] " tip-bot for Wei Yongjun
2018-05-04  5:59 ` [PATCH 12/17] efi: fix efi_pci_io_protocol32 prototype for mixed mode Ard Biesheuvel
2018-05-14  6:57   ` Ingo Molnar
2018-05-14  7:02     ` Ard Biesheuvel
2018-05-14  7:42   ` [tip:efi/core] efi: Avoid potential crashes, fix the 'struct efi_pci_io_protocol_32' definition " tip-bot for Ard Biesheuvel
2018-05-04  5:59 ` [PATCH 13/17] efi: align efi_pci_io_protocol typedefs to type naming convention Ard Biesheuvel
2018-05-14  7:49   ` [tip:efi/core] efi: Align " tip-bot for Ard Biesheuvel
2018-05-04  6:00 ` [PATCH 14/17] efi/x86: fold __setup_efi_pci32 and __setup_efi_pci64 into one Ard Biesheuvel
2018-05-14  7:49   ` [tip:efi/core] efi/x86: Fold __setup_efi_pci32() and __setup_efi_pci64() into one function tip-bot for Ard Biesheuvel
2018-05-04  6:00 ` [PATCH 15/17] efi/x86: Ignore unrealistically large option roms Ard Biesheuvel
2018-05-14  6:40   ` Ingo Molnar
2018-05-14  6:43   ` [PATCH] efi/x86: Clean up the eboot code a bit Ingo Molnar
2018-05-14  6:47     ` Ard Biesheuvel
2018-05-14  6:58       ` Ingo Molnar
2018-05-14  6:59         ` Ard Biesheuvel
2018-05-14  7:50   ` [tip:efi/core] efi/x86: Ignore unrealistically large option ROMs tip-bot for Hans de Goede
2018-05-15  9:18     ` Ard Biesheuvel
2018-06-21 15:13       ` Ingo Molnar
2018-05-04  6:00 ` [PATCH 16/17] efi/capsule-loader: Don't output reset log when reset flags are not set Ard Biesheuvel
2018-05-14  7:50   ` [tip:efi/core] " tip-bot for Shunyong Yang
2018-05-04  6:00 ` [PATCH 17/17] efi/libstub/arm64: handle randomized TEXT_OFFSET Ard Biesheuvel
2018-05-14  6:47   ` Ingo Molnar
2018-05-14  6:48     ` Ard Biesheuvel
2018-05-14  7:00       ` Ingo Molnar
2018-05-14  7:01         ` Ard Biesheuvel

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