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pr=C From: Stewart Hildebrand To: CC: Stewart Hildebrand , Stefano Stabellini , Julien Grall , Bertrand Marquis , Volodymyr Babchuk , =?utf-8?q?Roger_Pau_Monn?= =?utf-8?q?=C3=A9?= , "Oleksandr Tyshchenko" , Artem Mygaiev Subject: [PATCH v2 3/3] [FUTURE] xen/arm: enable vPCI for domUs Date: Thu, 6 Jul 2023 21:47:50 -0400 Message-ID: <20230707014754.51333-4-stewart.hildebrand@amd.com> X-Mailer: git-send-email 2.41.0 In-Reply-To: <20230707014754.51333-1-stewart.hildebrand@amd.com> References: <20230707014754.51333-1-stewart.hildebrand@amd.com> MIME-Version: 1.0 X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: DM6NAM11FT082:EE_|PH7PR12MB6858:EE_ X-MS-Office365-Filtering-Correlation-Id: 3a0c01cc-2de7-442e-2f3d-08db7e8c6e84 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; 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:(13230028)(4636009)(376002)(346002)(136003)(396003)(39860400002)(451199021)(46966006)(36840700001)(40470700004)(5660300002)(2616005)(8676002)(40480700001)(86362001)(36860700001)(82740400003)(426003)(47076005)(83380400001)(40460700003)(8936002)(81166007)(54906003)(41300700001)(36756003)(316002)(6916009)(4326008)(70586007)(336012)(186003)(1076003)(6666004)(966005)(26005)(356005)(478600001)(2906002)(82310400005)(70206006)(44832011)(36900700001);DIR:OUT;SFP:1101; X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 07 Jul 2023 01:49:41.6953 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 3a0c01cc-2de7-442e-2f3d-08db7e8c6e84 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: DM6NAM11FT082.eop-nam11.prod.protection.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: PH7PR12MB6858 Remove is_hardware_domain check in has_vpci, and select HAS_VPCI_GUEST_SUPPORT in Kconfig. [1] https://lists.xenproject.org/archives/html/xen-devel/2023-06/msg00863.html Signed-off-by: Stewart Hildebrand --- As the tag implies, this patch is not intended to be merged (yet). Note that CONFIG_HAS_VPCI_GUEST_SUPPORT is not currently used in the upstream code base. It will be used by the vPCI series [1]. This patch is intended to be merged as part of the vPCI series. v1->v2: * new patch --- xen/arch/arm/Kconfig | 1 + xen/arch/arm/include/asm/domain.h | 2 +- 2 files changed, 2 insertions(+), 1 deletion(-) diff --git a/xen/arch/arm/Kconfig b/xen/arch/arm/Kconfig index 4e0cc421ad48..75dfa2f5a82d 100644 --- a/xen/arch/arm/Kconfig +++ b/xen/arch/arm/Kconfig @@ -195,6 +195,7 @@ config PCI_PASSTHROUGH depends on ARM_64 select HAS_PCI select HAS_VPCI + select HAS_VPCI_GUEST_SUPPORT default n help This option enables PCI device passthrough diff --git a/xen/arch/arm/include/asm/domain.h b/xen/arch/arm/include/asm/domain.h index 1a13965a26b8..6e016b00bae1 100644 --- a/xen/arch/arm/include/asm/domain.h +++ b/xen/arch/arm/include/asm/domain.h @@ -298,7 +298,7 @@ static inline void arch_vcpu_block(struct vcpu *v) {} #define arch_vm_assist_valid_mask(d) (1UL << VMASST_TYPE_runstate_update_flag) -#define has_vpci(d) ({ IS_ENABLED(CONFIG_HAS_VPCI) && is_hardware_domain(d); }) +#define has_vpci(d) ({ (void)(d); IS_ENABLED(CONFIG_HAS_VPCI); }) struct arch_vcpu_io { struct instr_details dabt_instr; /* when the instruction is decoded */