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Tue, 11 Apr 2023 17:47:57 -0500 From: Vikram Garhwal To: CC: , , , Stefano Stabellini , Anthony Perard , Paul Durrant Subject: [QEMU][PATCH v6 05/10] include/hw/xen/xen_common: return error from xen_create_ioreq_server Date: Tue, 11 Apr 2023 15:47:41 -0700 Message-ID: <20230411224746.16152-6-vikram.garhwal@amd.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20230411224746.16152-1-vikram.garhwal@amd.com> References: <20230411224746.16152-1-vikram.garhwal@amd.com> MIME-Version: 1.0 X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: DS1PEPF0000E64E:EE_|SJ2PR12MB8064:EE_ X-MS-Office365-Filtering-Correlation-Id: afb312bc-de3f-4ebc-60d9-08db3adecc92 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; 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envelope-from=vikram.garhwal@amd.com; helo=NAM10-MW2-obe.outbound.protection.outlook.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, SPF_HELO_PASS=-0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org From: Stefano Stabellini This is done to prepare for enabling xenpv support for ARM architecture. On ARM it is possible to have a functioning xenpv machine with only the PV backends and no IOREQ server. If the IOREQ server creation fails, continue to the PV backends initialization. Signed-off-by: Stefano Stabellini Signed-off-by: Vikram Garhwal Reviewed-by: Stefano Stabellini Reviewed-by: Paul Durrant --- include/hw/xen/xen_native.h | 13 ++++++++----- 1 file changed, 8 insertions(+), 5 deletions(-) diff --git a/include/hw/xen/xen_native.h b/include/hw/xen/xen_native.h index 6bcc83baf9..8b01b071e5 100644 --- a/include/hw/xen/xen_native.h +++ b/include/hw/xen/xen_native.h @@ -433,9 +433,10 @@ static inline void xen_unmap_pcidev(domid_t dom, { } -static inline void xen_create_ioreq_server(domid_t dom, - ioservid_t *ioservid) +static inline int xen_create_ioreq_server(domid_t dom, + ioservid_t *ioservid) { + return 0; } static inline void xen_destroy_ioreq_server(domid_t dom, @@ -566,8 +567,8 @@ static inline void xen_unmap_pcidev(domid_t dom, PCI_FUNC(pci_dev->devfn)); } -static inline void xen_create_ioreq_server(domid_t dom, - ioservid_t *ioservid) +static inline int xen_create_ioreq_server(domid_t dom, + ioservid_t *ioservid) { int rc = xendevicemodel_create_ioreq_server(xen_dmod, dom, HVM_IOREQSRV_BUFIOREQ_ATOMIC, @@ -575,12 +576,14 @@ static inline void xen_create_ioreq_server(domid_t dom, if (rc == 0) { trace_xen_ioreq_server_create(*ioservid); - return; + return rc; } *ioservid = 0; use_default_ioreq_server = true; trace_xen_default_ioreq_server(); + + return rc; } static inline void xen_destroy_ioreq_server(domid_t dom,