From patchwork Tue Feb 14 23:43:25 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Stefano Stabellini X-Patchwork-Id: 1742639 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@legolas.ozlabs.org Authentication-Results: legolas.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=nongnu.org (client-ip=209.51.188.17; helo=lists.gnu.org; envelope-from=qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org; receiver=) Authentication-Results: legolas.ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20201202 header.b=WbwdZVMS; dkim-atps=neutral Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-ECDSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by legolas.ozlabs.org (Postfix) with ESMTPS id 4PGd9y4BZKz23r4 for ; Wed, 15 Feb 2023 10:45:26 +1100 (AEDT) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1pS4xb-0005KI-HX; Tue, 14 Feb 2023 18:43:43 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1pS4xZ-0005JO-DJ for qemu-devel@nongnu.org; Tue, 14 Feb 2023 18:43:42 -0500 Received: from ams.source.kernel.org ([145.40.68.75]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1pS4xX-0003ka-S9 for qemu-devel@nongnu.org; Tue, 14 Feb 2023 18:43:41 -0500 Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ams.source.kernel.org (Postfix) with ESMTPS id 18FC2B81F5D; Tue, 14 Feb 2023 23:43:38 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 075F0C4339C; Tue, 14 Feb 2023 23:43:36 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1676418217; bh=P09GLhS3AipXDBR5fLwZN51vbqNBUqq+Ribpr8N2TSI=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=WbwdZVMSQkxVKiqzEuuyPReoV/htc1XP2accHF2VW1jABmuIeD6dgc2bXaKiB06QM HKFnzZXITk9Ydoh12L1ZMlg3Jw411Cr3zIVXRy4BjMXfpnw+k/AuZ0gdRYs8vi1sws 3lfarEmErawWcmdh6HS90f/r00pLwHATbAt7cmVASLJGqN54SGt2bfLxqnkPsCuNeW vcRe0bgWpZQFwLWQPLiQHkVbSSQdHH81ClBrQx0A9oZ76ls7LxlO8jnmFkcVnSx088 8gjzDCRB7rg9ac9ZAwoUSYg7d1b8Auikeb49+gn8iIRL6BtAslst8pmV6/im3S0j9R ajFLjjeOuMvZg== From: Stefano Stabellini To: peter.maydell@linaro.org Cc: sstabellini@kernel.org, qemu-devel@nongnu.org, Stefano Stabellini , Vikram Garhwal , Paul Durrant Subject: [PULL v2 05/10] include/hw/xen/xen_common: return error from xen_create_ioreq_server Date: Tue, 14 Feb 2023 15:43:25 -0800 Message-Id: <20230214234330.2107879-5-sstabellini@kernel.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: References: MIME-Version: 1.0 Received-SPF: pass client-ip=145.40.68.75; envelope-from=sstabellini@kernel.org; helo=ams.source.kernel.org X-Spam_score_int: -70 X-Spam_score: -7.1 X-Spam_bar: ------- X-Spam_report: (-7.1 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.001, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_HI=-5, SPF_HELO_NONE=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_common.h | 13 ++++++++----- 1 file changed, 8 insertions(+), 5 deletions(-) diff --git a/include/hw/xen/xen_common.h b/include/hw/xen/xen_common.h index 9a13a756ae..9ec69582b3 100644 --- a/include/hw/xen/xen_common.h +++ b/include/hw/xen/xen_common.h @@ -467,9 +467,10 @@ 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, @@ -600,8 +601,8 @@ 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, @@ -609,12 +610,14 @@ 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,