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Message-Id: <20240312212626.29007-3-zaidal@os.amperecomputing.com>
Date: Tue, 12 Mar 2024 14:26:23 -0700
From: Zaid Alali <zaidal@...amperecomputing.com>
To: zaidal@...amperecomputing.com,
lenb@...nel.org,
james.morse@....com,
tony.luck@...el.com,
bp@...en8.de,
robert.moore@...el.com,
Avadhut.Naik@....com,
xueshuai@...ux.alibaba.com
Cc: linux-acpi@...r.kernel.org,
linux-kernel@...r.kernel.org,
acpica-devel@...ts.linux.dev
Subject: [RFC PATCH 2/5] ACPI: APEI: EINJ: Add einjv2 extension struct
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@...amperecomputing.com>
---
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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