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pr=C From: Ayan Kumar Halder To: CC: Ayan Kumar Halder , Stefano Stabellini , Bertrand Marquis , Michal Orzel , Artem Mygaiev Subject: [PATCH v2 2/2] docs: fusa: Add the requirements for some of the commands of XEN_VERSION Date: Thu, 27 Feb 2025 15:09:22 +0000 Message-ID: <20250227150922.3965010-2-ayan.kumar.halder@amd.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20250227150922.3965010-1-ayan.kumar.halder@amd.com> References: <20250227150922.3965010-1-ayan.kumar.halder@amd.com> MIME-Version: 1.0 X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: BN2PEPF00004FBE:EE_|MN6PR12MB8591:EE_ X-MS-Office365-Filtering-Correlation-Id: 99ebe27a-233c-415c-a958-08dd5740ecdb X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|36860700013|82310400026|376014|1800799024; X-Microsoft-Antispam-Message-Info: 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 X-Forefront-Antispam-Report: CIP:165.204.84.17;CTRY:US;LANG:en;SCL:1;SRV:;IPV:CAL;SFV:NSPM;H:SATLEXMB04.amd.com;PTR:InfoDomainNonexistent;CAT:NONE;SFS:(13230040)(36860700013)(82310400026)(376014)(1800799024);DIR:OUT;SFP:1101; X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 27 Feb 2025 15:10:51.9351 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 99ebe27a-233c-415c-a958-08dd5740ecdb X-MS-Exchange-CrossTenant-Id: 3dd8961f-e488-4e60-8e11-a82d994e183d X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=3dd8961f-e488-4e60-8e11-a82d994e183d;Ip=[165.204.84.17];Helo=[SATLEXMB04.amd.com] X-MS-Exchange-CrossTenant-AuthSource: BN2PEPF00004FBE.namprd04.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: MN6PR12MB8591 We have written the requirements for some of the commands of the XEN_VERSION hypercall. Signed-off-by: Ayan Kumar Halder Reviewed-by: Bertrand Marquis --- Changes from - v1 - 1. Reworded the requirement so as to avoid mentioining variable names or hardcoded strings. Otherwise, one would need to change the requirement each time the code changes. .../fusa/reqs/design-reqs/arm64/hypercall.rst | 6 +- .../design-reqs/arm64/version_hypercall.rst | 34 ++++++++ .../reqs/design-reqs/version_hypercall.rst | 65 +++++++++++++++ docs/fusa/reqs/index.rst | 2 + .../reqs/product-reqs/version_hypercall.rst | 83 +++++++++++++++++++ 5 files changed, 187 insertions(+), 3 deletions(-) create mode 100644 docs/fusa/reqs/design-reqs/arm64/version_hypercall.rst create mode 100644 docs/fusa/reqs/design-reqs/version_hypercall.rst diff --git a/docs/fusa/reqs/design-reqs/arm64/hypercall.rst b/docs/fusa/reqs/design-reqs/arm64/hypercall.rst index ffd883260c..b6f99af023 100644 --- a/docs/fusa/reqs/design-reqs/arm64/hypercall.rst +++ b/docs/fusa/reqs/design-reqs/arm64/hypercall.rst @@ -28,8 +28,8 @@ Parameters `XenSwdgn~arm64_hyp_param~1` Description: -Xen shall use x0 to read the first parameter, x1 for second parameter and so -on, for domain hypercall requests. +Xen shall use the first register to read the first parameter, second register +for second parameter and so on, for domain hypercall requests. Rationale: @@ -45,7 +45,7 @@ Return value `XenSwdgn~arm64_ret_val~1` Description: -Xen shall store the return value in x0 register. +Xen shall store the return value in first register. Rationale: diff --git a/docs/fusa/reqs/design-reqs/arm64/version_hypercall.rst b/docs/fusa/reqs/design-reqs/arm64/version_hypercall.rst new file mode 100644 index 0000000000..3aa12ea2c2 --- /dev/null +++ b/docs/fusa/reqs/design-reqs/arm64/version_hypercall.rst @@ -0,0 +1,34 @@ +.. SPDX-License-Identifier: CC-BY-4.0 + +Capabilities +------------ + +`XenSwdgn~arm64_capabilities~1` + +Description: +Xen shall have an internal constant string to denote that the cpu is running +in arm64 mode. + +Rationale: + +Comments: + +Covers: + - `XenProd~version_hyp_capabilities_cmd~1` + +Capabilities AArch32 +-------------------- + +`XenSwdgn~arm64_capabilities_aarch32~1` + +Description: +Xen shall have a internal constant string to denote that the cpu is running in +arm32 mode. + +Rationale: + +Comments: + +Covers: + - `XenProd~version_hyp_capabilities_cmd~1` + diff --git a/docs/fusa/reqs/design-reqs/version_hypercall.rst b/docs/fusa/reqs/design-reqs/version_hypercall.rst new file mode 100644 index 0000000000..edc5672e83 --- /dev/null +++ b/docs/fusa/reqs/design-reqs/version_hypercall.rst @@ -0,0 +1,65 @@ +.. SPDX-License-Identifier: CC-BY-4.0 + +Version +------- + +`XenSwdgn~version~1` + +Description: +Xen shall have a internal constant (XEN_VERSION) storing the version number +coming from the Makefile. + +Rationale: + +Comments: + +Covers: + - `XenProd~version_hyp_version_cmd~1` + +Subversion +---------- + +`XenSwdgn~subversion~1` + +Description: +Xen shall have a internal constant (XEN_SUBVERSION) storing the sub version +number coming from the Makefile. + +Rationale: + +Comments: + +Covers: + - `XenProd~version_hyp_version_cmd~1` + +Extraversion +------------ + +`XenSwdgn~extraversion~1` + +Description: +Xen shall have a internal constant (XEN_EXTRAVERSION) storing the extraversion +coming from the build environment. + +Rationale: + +Comments: + +Covers: + - `XenProd~version_hyp_extraversion_cmd~1` + +Changeset +--------- + +`XenSwdgn~changeset~1` + +Description: +Xen shall have a internal constant string (XEN_CHANGESET) storing the date, +time and git hash of the last change made to Xen's codebase. + +Rationale: + +Comments: + +Covers: + - `XenProd~version_hyp_changeset_cmd~1` diff --git a/docs/fusa/reqs/index.rst b/docs/fusa/reqs/index.rst index d8683edce7..b85af19d19 100644 --- a/docs/fusa/reqs/index.rst +++ b/docs/fusa/reqs/index.rst @@ -14,3 +14,5 @@ Requirements documentation design-reqs/arm64/generic-timer design-reqs/arm64/sbsa-uart design-reqs/arm64/hypercall + design-reqs/arm64/version_hypercall + design-reqs/version_hypercall diff --git a/docs/fusa/reqs/product-reqs/version_hypercall.rst b/docs/fusa/reqs/product-reqs/version_hypercall.rst index 03221f70c3..ae72b22556 100644 --- a/docs/fusa/reqs/product-reqs/version_hypercall.rst +++ b/docs/fusa/reqs/product-reqs/version_hypercall.rst @@ -54,6 +54,89 @@ Rationale: Comments: +Covers: + - `XenMkt~version_hypercall~1` + +Needs: + - XenSwdgn + +Version command +--------------- + +`XenProd~version_hyp_version_cmd~1` + +Description: +Xen shall provide a command (num 0) for hypercall (num 17) to retrieve Xen's +version in the domain's register 0. + +Rationale: + +Comments: +Xen version is composed of major and minor number. + +Covers: + - `XenMkt~version_hypercall~1` + +Needs: + - XenSwdgn + +Extraversion command +-------------------- + +`XenProd~version_hyp_extraversion_cmd~1` + +Description: +Xen shall provide a command (num 1) for hypercall (num 17) to copy its +extraversion in the domain's buffer. + +Rationale: + +Comments: +Xen's extra version consists of a string passed with 'XEN_VENDORVERSION' command +line parameter while building Xen. + +Covers: + - `XenMkt~version_hypercall~1` + +Needs: + - XenSwdgn + +Capabilities command +-------------------- + +`XenProd~version_hyp_capabilities_cmd~1` + +Description: +Xen shall provide a command (num 3) for hypercall (num 17) to copy its +capabilities to the domain's buffer. + +Rationale: + +Comments: +Capabilities related information is represented by char[1024]. +For Arm64, the capabilities should contain "xen-3.0-aarch64" string. + +Covers: + - `XenMkt~version_hypercall~1` + +Needs: + - XenSwdgn + +Changeset command +----------------- + +`XenProd~version_hyp_changeset_cmd~1` + +Description: +Xen shall provide a command (num 4) for hypercall (num 17) to copy changeset +to the domain's buffer. + +Rationale: + +Comments: +Changeset is string denoting the date, time and git hash of the last change +made to Xen's codebase. + Covers: - `XenMkt~version_hypercall~1`