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authorTyler Baicar <tbaicar@codeaurora.org>2017-06-21 21:17:07 +0300
committerWill Deacon <will.deacon@arm.com>2017-06-22 17:43:47 +0300
commit2f74f09bce4f8d0236f20174a6daae63e10fe733 (patch)
treef38af062a7f099fd6b89bc32b12edd056d80286b /include/linux/cper.h
parent8a94471fb73fd53589746561a2dba29e073ed829 (diff)
downloadlinux-2f74f09bce4f8d0236f20174a6daae63e10fe733.tar.xz
efi: parse ARM processor error
Add support for ARM Common Platform Error Record (CPER). UEFI 2.6 specification adds support for ARM specific processor error information to be reported as part of the CPER records. This provides more detail on for processor error logs. Signed-off-by: Tyler Baicar <tbaicar@codeaurora.org> CC: Jonathan (Zhixiong) Zhang <zjzhang@codeaurora.org> Reviewed-by: James Morse <james.morse@arm.com> Reviewed-by: Ard Biesheuvel <ard.biesheuvel@linaro.org> Signed-off-by: Will Deacon <will.deacon@arm.com>
Diffstat (limited to 'include/linux/cper.h')
-rw-r--r--include/linux/cper.h54
1 files changed, 54 insertions, 0 deletions
diff --git a/include/linux/cper.h b/include/linux/cper.h
index dcacb1a72e26..4c671fc2081e 100644
--- a/include/linux/cper.h
+++ b/include/linux/cper.h
@@ -180,6 +180,10 @@ enum {
#define CPER_SEC_PROC_IPF \
UUID_LE(0xE429FAF1, 0x3CB7, 0x11D4, 0x0B, 0xCA, 0x07, 0x00, \
0x80, 0xC7, 0x3C, 0x88, 0x81)
+/* Processor Specific: ARM */
+#define CPER_SEC_PROC_ARM \
+ UUID_LE(0xE19E3D16, 0xBC11, 0x11E4, 0x9C, 0xAA, 0xC2, 0x05, \
+ 0x1D, 0x5D, 0x46, 0xB0)
/* Platform Memory */
#define CPER_SEC_PLATFORM_MEM \
UUID_LE(0xA5BC1114, 0x6F64, 0x4EDE, 0xB8, 0x63, 0x3E, 0x83, \
@@ -255,6 +259,22 @@ enum {
#define CPER_PCIE_SLOT_SHIFT 3
+#define CPER_ARM_VALID_MPIDR BIT(0)
+#define CPER_ARM_VALID_AFFINITY_LEVEL BIT(1)
+#define CPER_ARM_VALID_RUNNING_STATE BIT(2)
+#define CPER_ARM_VALID_VENDOR_INFO BIT(3)
+
+#define CPER_ARM_INFO_VALID_MULTI_ERR BIT(0)
+#define CPER_ARM_INFO_VALID_FLAGS BIT(1)
+#define CPER_ARM_INFO_VALID_ERR_INFO BIT(2)
+#define CPER_ARM_INFO_VALID_VIRT_ADDR BIT(3)
+#define CPER_ARM_INFO_VALID_PHYSICAL_ADDR BIT(4)
+
+#define CPER_ARM_INFO_FLAGS_FIRST BIT(0)
+#define CPER_ARM_INFO_FLAGS_LAST BIT(1)
+#define CPER_ARM_INFO_FLAGS_PROPAGATED BIT(2)
+#define CPER_ARM_INFO_FLAGS_OVERFLOW BIT(3)
+
/*
* All tables and structs must be byte-packed to match CPER
* specification, since the tables are provided by the system BIOS
@@ -340,6 +360,40 @@ struct cper_ia_proc_ctx {
__u64 mm_reg_addr;
};
+/* ARM Processor Error Section */
+struct cper_sec_proc_arm {
+ __u32 validation_bits;
+ __u16 err_info_num; /* Number of Processor Error Info */
+ __u16 context_info_num; /* Number of Processor Context Info Records*/
+ __u32 section_length;
+ __u8 affinity_level;
+ __u8 reserved[3]; /* must be zero */
+ __u64 mpidr;
+ __u64 midr;
+ __u32 running_state; /* Bit 0 set - Processor running. PSCI = 0 */
+ __u32 psci_state;
+};
+
+/* ARM Processor Error Information Structure */
+struct cper_arm_err_info {
+ __u8 version;
+ __u8 length;
+ __u16 validation_bits;
+ __u8 type;
+ __u16 multiple_error;
+ __u8 flags;
+ __u64 error_info;
+ __u64 virt_fault_addr;
+ __u64 physical_fault_addr;
+};
+
+/* ARM Processor Context Information Structure */
+struct cper_arm_ctx_info {
+ __u16 version;
+ __u16 type;
+ __u32 size;
+};
+
/* Old Memory Error Section UEFI 2.1, 2.2 */
struct cper_sec_mem_err_old {
__u64 validation_bits;