[PATCH v3 6/9] ACPI: APEI: EINJ: Add einjv2 extension struct

Zaid Alali
2025-02-10T18:37:32Z

Add einjv2 extension struct and EINJv2 error types to prepare
the driver for EINJv2 support. ACPI specifications(1) enables
EINJv2 by extending set_error_type_with_address struct.

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

Signed-off-by: Zaid Alali <zaidal@os.amperecomputing.com>
---
drivers/acpi/apei/einj-core.c | 23 +++++++++++++++++++++++
1 file changed, 23 insertions(+)

diff --git a/drivers/acpi/apei/einj-core.c b/drivers/acpi/apei/einj-core.c
index 369d92e410c1..c604aa875644 100644
--- a/drivers/acpi/apei/einj-core.c
+++ b/drivers/acpi/apei/einj-core.c
@@ -50,6 +50,28 @@
*/
static int acpi5;

+struct syndrome_array {
+ union {
+ u32 acpi_id;
+ u32 device_id;
+ u32 pcie_sbdf;
+ u8 vendor_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[];
+};
+
struct set_error_type_with_address {
u32 type;
u32 vendor_extension;
@@ -58,6 +80,7 @@ struct set_error_type_with_address {
u64 memory_address;
u64 memory_address_range;
u32 pcie_sbdf;
+ struct einjv2_extension_struct einjv2_struct;
};
enum {
SETWA_FLAGS_APICID = 1,
--
2.34.1