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ACPI: APEI: EINJ: Add einjv2 extension struct

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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>
Reviewed-by: Tony Luck <tony.luck@intel.com>
Signed-off-by: Zaid Alali <zaidal@os.amperecomputing.com>
Link: https://patch.msgid.link/20250617193026.637510-4-zaidal@os.amperecomputing.com
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
This commit is contained in:
Zaid Alali 2025-06-17 12:30:22 -07:00 committed by Rafael J. Wysocki
parent 0c6176e1e1
commit 21cd921b1a
1 changed files with 24 additions and 0 deletions
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24
drivers/acpi/apei/einj-core.c
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@ -33,6 +33,7 @@
#define SLEEP_UNIT_MAX 5000 /* 5ms */
/* Firmware should respond within 1 seconds */
#define FIRMWARE_TIMEOUT (1 * USEC_PER_SEC)
#define COMPONENT_LEN 16
#define ACPI65_EINJV2_SUPP BIT(30)
#define ACPI5_VENDOR_BIT BIT(31)
#define MEM_ERROR_MASK (ACPI_EINJ_MEMORY_CORRECTABLE | \
@ -50,6 +51,28 @@
*/
static int acpi5;
struct syndrome_array {
union {
u8 acpi_id[COMPONENT_LEN];
u8 device_id[COMPONENT_LEN];
u8 pcie_sbdf[COMPONENT_LEN];
u8 vendor_id[COMPONENT_LEN];
} comp_id;
union {
u8 proc_synd[COMPONENT_LEN];
u8 mem_synd[COMPONENT_LEN];
u8 pcie_synd[COMPONENT_LEN];
u8 vendor_synd[COMPONENT_LEN];
} 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 +81,7 @@ 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,