Received-SPF: pass (google.com: domain of linux-kernel+bounces-100802-linux.lists.archive=gmail.com@vger.kernel.org designates 139.178.88.99 as permitted sender) client-ip=139.178.88.99;
From: Zaid Alali <zaidal@os.amperecomputing.com>
To: zaidal@os.amperecomputing.com,
	lenb@kernel.org,
	james.morse@arm.com,
	tony.luck@intel.com,
	bp@alien8.de,
	robert.moore@intel.com,
	Avadhut.Naik@amd.com,
	xueshuai@linux.alibaba.com
Cc: linux-acpi@vger.kernel.org,
	linux-kernel@vger.kernel.org,
	acpica-devel@lists.linux.dev
Subject: [RFC PATCH 2/5] ACPI: APEI: EINJ: Add einjv2 extension struct
Date: Tue, 12 Mar 2024 14:26:23 -0700
Message-Id: <20240312212626.29007-3-zaidal@os.amperecomputing.com>
In-Reply-To: <20240312212626.29007-1-zaidal@os.amperecomputing.com>
References: <20240312212626.29007-1-zaidal@os.amperecomputing.com>
Content-Transfer-Encoding: 8bit
Content-Type: text/plain
Precedence: bulk
MIME-Version: 1.0
X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1
X-MS-Exchange-AntiSpam-MessageData-0:
	=?us-ascii?Q?LKZbqkuinnkVAGzaRB5j278lPNBkVKXAWDdDBkNe8g2ZSn/DGVhSF4qsZYgq?=
 =?us-ascii?Q?I/esl8Bf9XsRGfG/XhgpAE9Up5r9zObHuYj9Y3IBFhH9YuYU4X+N6vOnPbaP?=
 =?us-ascii?Q?5mJaNbC7ELj+iPYDxCloh1jWcfoLrfvfsmrWJS0qpsR9Tdk950LgFnmCa13p?=
 =?us-ascii?Q?vW/m6TwQXToYRxY+KdLCNJoAxHiOvkjhrE5u29OEdF1WpdPIqQGBJI+nSoPV?=
 =?us-ascii?Q?Cfqi8gAhKN3urpoRHDVM6xTjdZJPzHUG37OEktI+xkmaSLgHLhKhAQfZVnvV?=
 =?us-ascii?Q?LEM/lL6jbsavtji+R37gYmXeX8m1CpZkDGx0KUiNBM7u/NtVQ2j2ZSEeoxxo?=
 =?us-ascii?Q?yijBkA07XDmHBZvGV3fpoRAqnwhGaewlKcU6IML9Dap5htDm5YQXL+8R34Tm?=
 =?us-ascii?Q?keDoMbo5ifd1X57fBwSXHD1h7va6JCKxQZbFaqjobrXpr3PbBzU6+ruY403W?=
 =?us-ascii?Q?zCecjk2V8fHvDuXFnZIcpHWegXc8VS+batoKcM01i2KHkJ3VPtmwh34xiawA?=
 =?us-ascii?Q?o59M2aKFH1dx+xWXcmHkHHgLd7JK5lKJ7iK1SELSwP2NREeWaNb8bpcV4AEj?=
 =?us-ascii?Q?CErjDjsYrXqlX57algC/J91YYWay6KFyW3LV6y/2FMYjkUjGzUA8uTeUbmXa?=
 =?us-ascii?Q?BmBKsH2pIgnBz9JDGobRPFSbgIaP8mFCjSA899wOe0NrZfYEG4PsOzJvQobj?=
 =?us-ascii?Q?NTHhVrRa5WtKcfTPCM3IvKl8aiOE+MvJbY38KqQMQr3agnJwuOQ/3HzrwS4I?=
 =?us-ascii?Q?qAhpDPK3dkQWqnGNMdD8imw63wmUAm+alxG8iz+7XNc+9CwYFNS2Zll0jleA?=
 =?us-ascii?Q?PQRLctYrM2J5JxzTgAqFG/azTuNnZB5LrAcDn4blU52wBdzCV6ZUaUMKXTPt?=
 =?us-ascii?Q?6YMCRWun/4Pdksafp1EvfurySd7edbViZo6mTua6KCslgsduWqM6780dZA5J?=
 =?us-ascii?Q?1hn2mZcDUFi6r/74hz23hg/uy6aWXonvGgjrmtT+MH8Epg7P4NVCsqDSiLmN?=
 =?us-ascii?Q?B1R6yFJhhUI+2Ry6bmo8m/pnXurVicRsoP2slx7jqDUP3jYHXCbvdj8Tldxd?=
 =?us-ascii?Q?usKiW0WrHWX3IjRdOzFA/uzElCwqxygPNnMCNWDhzruvdLaVENCrwZaaWx+k?=
 =?us-ascii?Q?Y/GokTiZ35HKfT5Kj/RBeM6HLI204+Qeq1N8cO2g9VhSBh9Ns31KpewtqbC7?=
 =?us-ascii?Q?jJEhicf1rS5HsuqZFkqtAqPd30kjGWW2E2rzKeGMrOkO8Zkgm7FFSlKDy3ic?=
 =?us-ascii?Q?q570zNix5Ofq//Xqk3e3rxNfcRadr/IYqpi+BbNS9M4e/cYApZ7deEoeUPqc?=
 =?us-ascii?Q?uVNZK1DBHLRLRKSf2GuVD/fquFr7bAIhH1S79AqgK1VgnPIr7hQMPoLCj66N?=
 =?us-ascii?Q?Q7U9lH+zDFnkE6CpOpQAiW4/2YzQ03LWbpje3kM4EvXdMnk82w62phZB3rzD?=
 =?us-ascii?Q?vGjwrkKqdPQJBzxPf3zUX+VrY1l3LLIThHQm1cp/cnTeasW2Lp64WYudxnZT?=
 =?us-ascii?Q?TlKdDx9/sZprP4c/7nN9L2EuAOJPPh7kQ5H3n2AaHSbDrhrfEgiF4Y4DQG9P?=
 =?us-ascii?Q?e2TjweHbVAC80luM4QzAeKsVlRTO/zMzlNr1aWSGzrc1BCQ4/OM0peTpH9d3?=
 =?us-ascii?Q?WBXxe0jfw7plCFJ6W5n/zoE=3D?=
X-OriginatorOrg: os.amperecomputing.com
X-MS-Exchange-CrossTenant-Network-Message-Id: 1cb16d6e-5fe8-46cb-cb36-08dc42db1aaa
X-MS-Exchange-CrossTenant-AuthSource: SN7PR01MB7903.prod.exchangelabs.com
X-MS-Exchange-CrossTenant-AuthAs: Internal
X-MS-Exchange-CrossTenant-OriginalArrivalTime: 12 Mar 2024 21:26:39.3988
 (UTC)
X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted
X-MS-Exchange-CrossTenant-Id: 3bc2b170-fd94-476d-b0ce-4229bdc904a7
X-MS-Exchange-CrossTenant-MailboxType: HOSTED
X-MS-Exchange-CrossTenant-UserPrincipalName: fbXGPERLYqtQ7QMGu4toSCcvu/NIu//VdjyMl0bAKK2Kx5zMrwSceNJhCq/nW0cOflEtp+f6F7yKLkShasDJ8yaDyzjdk3NFO0/YT9li/nxnoxTX4t7OPFa442z/vbNU
X-MS-Exchange-Transport-CrossTenantHeadersStamped: SJ2PR01MB8102

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@os.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