[RFC PATCH 9/9] ACPI: APEI: ESRT: log ARM processor error

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Introduce a new pstore_record type, PSTORE_TYPE_CPER_PROC_ARM, so that
serialized ARM processor errors can be retrieved and saved as a file in
pstore file system. While the serialized errors is retrieved from ERST
backend, log it.

Signed-off-by: Shuai Xue <xueshuai@xxxxxxxxxxxxxxxxx>
---
 drivers/acpi/apei/erst.c | 6 ++++++
 fs/pstore/platform.c     | 1 +
 include/linux/pstore.h   | 1 +
 3 files changed, 8 insertions(+)

diff --git a/drivers/acpi/apei/erst.c b/drivers/acpi/apei/erst.c
index 4f000cb1433a..c92d977d15cd 100644
--- a/drivers/acpi/apei/erst.c
+++ b/drivers/acpi/apei/erst.c
@@ -29,6 +29,7 @@
 #include <acpi/ghes.h>
 #include <linux/aer.h>
 #include <linux/pci.h>
+#include <linux/ras.h>
 /* only define CREATE_TRACE_POINTS once */
 #include <trace/events/mce.h>
 
@@ -1088,6 +1089,11 @@ static ssize_t erst_reader(struct pstore_record *record)
 		cper_print_aer(
 			pdev, AER_FATAL,
 			(struct aer_capability_regs *)pcie_err->aer_info);
+	} else if (guid_equal(&rcd->sec_hdr.section_type, &CPER_SEC_PROC_ARM)) {
+		struct cper_sec_proc_arm *err = (struct cper_sec_proc_arm *)rcd->data;
+
+		record->type = PSTORE_TYPE_CPER_PROC_ARM;
+		log_arm_hw_error(err);
 	}
 	else
 		record->type = PSTORE_TYPE_MAX;
diff --git a/fs/pstore/platform.c b/fs/pstore/platform.c
index 40a062546fe4..48ad3202284c 100644
--- a/fs/pstore/platform.c
+++ b/fs/pstore/platform.c
@@ -53,6 +53,7 @@ static const char * const pstore_type_names[] = {
 	"powerpc-opal",
 	"cper-mem",
 	"cper-pcie",
+	"cper-proc-arm",
 };
 
 static int pstore_new_entry;
diff --git a/include/linux/pstore.h b/include/linux/pstore.h
index e63f51e9c22e..83edff5aab0b 100644
--- a/include/linux/pstore.h
+++ b/include/linux/pstore.h
@@ -43,6 +43,7 @@ enum pstore_type_id {
 	/* APEI section */
 	PSTORE_TYPE_CPER_MEM		= 9,
 	PSTORE_TYPE_CPER_PCIE		= 10,
+	PSTORE_TYPE_CPER_PROC_ARM	= 11,
 
 	/* End of the list */
 	PSTORE_TYPE_MAX
-- 
2.41.0




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