[RFC PATCH 2/5] ACPI: APEI: EINJ: Add einjv2 extension struct

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Proposed ACPI specifications(1) enables EINJv2 by extending
set_error_type_with_address strcut. This commit adds einjv2
extension struct and EINJv2 error types to prepare the driver
for EINJv2 support.

(1) https://bugzilla.tianocore.org/show_bug.cgi?id=4615

Signed-off-by: Zaid Alali <zaidal@xxxxxxxxxxxxxxxxxxxxxx>
---
 drivers/acpi/apei/einj.c | 26 +++++++++++++++++++++++++-
 1 file changed, 25 insertions(+), 1 deletion(-)

diff --git a/drivers/acpi/apei/einj.c b/drivers/acpi/apei/einj.c
index 90efbcbf6b54..119f7accd1c9 100644
--- a/drivers/acpi/apei/einj.c
+++ b/drivers/acpi/apei/einj.c
@@ -43,6 +43,28 @@
  */
 static int acpi5;
 
+struct syndrome_array {
+	union {
+		u32	acpi_id;
+		u32	device_id;
+		u32	pcie_sbdf;
+		u8	fru_id[16];
+	} comp_id;
+	union {
+		u32	proc_synd;
+		u32	mem_synd;
+		u32	pcie_synd;
+		u8	vendor_synd[16];
+	} comp_synd;
+};
+
+struct einjv2_extension_struct {
+	u32 length;
+	u16 revision;
+	u16 component_arr_count;
+	struct syndrome_array component_arr[];
+} __packed;
+
 struct set_error_type_with_address {
 	u32	type;
 	u32	vendor_extension;
@@ -51,7 +73,9 @@ struct set_error_type_with_address {
 	u64	memory_address;
 	u64	memory_address_range;
 	u32	pcie_sbdf;
-};
+	struct einjv2_extension_struct einjv2_struct;
+} __packed;
+
 enum {
 	SETWA_FLAGS_APICID = 1,
 	SETWA_FLAGS_MEM = 2,
-- 
2.34.1





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