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[v8,3/7] ACPI: APEI: EINJ: Add einjv2 extension struct

Message ID 20250604223804.842501-4-zaidal@os.amperecomputing.com
State New
Headers show
Series Enable EINJv2 Support | expand

Commit Message

Zaid Alali June 4, 2025, 10:38 p.m. UTC 
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.

Link: https://uefi.org/specs/ACPI/6.6/18_Platform_Error_Interfaces.html#einjv2-extension-structure [1]

Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Signed-off-by: Zaid Alali <zaidal@os.amperecomputing.com>
Signed-off-by: Tony Luck <tony.luck@intel.com>
---
 drivers/acpi/apei/einj-core.c | 23 +++++++++++++++++++++++
 1 file changed, 23 insertions(+)
diff mbox series

Patch

diff --git a/drivers/acpi/apei/einj-core.c b/drivers/acpi/apei/einj-core.c
index f018d3970de8..e74281f5044e 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 {
+		u8	acpi_id[16];
+		u8	device_id[16];
+		u8	pcie_sbdf[16];
+		u8	vendor_id[16];
+	} comp_id;
+	union {
+		u8	proc_synd[16];
+		u8	mem_synd[16];
+		u8	pcie_synd[16];
+		u8	vendor_synd[16];
+	} comp_synd;
+};
+
+struct einjv2_extension_struct {
+	u32 length;
+	u16 revision;
+	u16 component_arr_count;
+	struct syndrome_array component_arr[] __counted_by(component_arr_count);
+};
+
 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,