From patchwork Tue May 7 09:20:34 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: "Duan, Zhenzhong" X-Patchwork-Id: 13656457 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 24733C25B76 for ; Tue, 7 May 2024 09:25:17 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1s4H4E-0002DY-Ar; Tue, 07 May 2024 05:24:58 -0400 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 1s4H32-0000X4-9i for qemu-devel@nongnu.org; Tue, 07 May 2024 05:23:46 -0400 Received: from mgamail.intel.com ([198.175.65.21]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1s4H30-0000Bi-G9 for qemu-devel@nongnu.org; Tue, 07 May 2024 05:23:43 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1715073822; x=1746609822; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=WKmt82R88i9li3detdFGbcr2VSbsppKkEOzL2ysT1SQ=; b=IoYajtf2HReP1JfVdvCX05S6GkM1flzQRuau64m6DdcPnmmvK4XAD+xk nodGXjBxsdS8i6X5MvALVdgUHgOwuTufXYUhky52eL1YMR+dZFtlHlEcl Nt2QeYMDW8z+lmY2ucgWl4vGcY2Gl6qE6CwJ4p5ysvBu6oaIw+7TBgE2A WWIhv/Y+dABFnJ10vcf4b5htna4OlAbM044FJf4zVEIdRiIn/tWbgVUav 9vb/3m2jGfLpYV1/O1J+BOBPO+OKFb6aYR5oW0srFXYGH7vNUuxBZaQOm /Twn0h7m0I195mz9+lhEisxfwhZhZesQJdAYJLfzD4jf3GHPmckiCsj40 A==; X-CSE-ConnectionGUID: BGXBHkqCQgWgzsKU9vROXg== X-CSE-MsgGUID: xe5RXEogS/e2Yu2QoO97cQ== X-IronPort-AV: E=McAfee;i="6600,9927,11065"; a="10785259" X-IronPort-AV: E=Sophos;i="6.07,260,1708416000"; d="scan'208";a="10785259" Received: from fmviesa010.fm.intel.com ([10.60.135.150]) by orvoesa113.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 07 May 2024 02:23:41 -0700 X-CSE-ConnectionGUID: BMvnUUSRQpi3BzGkyH9L6A== X-CSE-MsgGUID: 8KVv5HejQrS3mI/nTjn9Kg== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.07,260,1708416000"; d="scan'208";a="28553397" Received: from unknown (HELO SPR-S2600BT.bj.intel.com) ([10.240.192.124]) by fmviesa010-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 07 May 2024 02:23:38 -0700 From: Zhenzhong Duan To: qemu-devel@nongnu.org Cc: alex.williamson@redhat.com, clg@redhat.com, eric.auger@redhat.com, mst@redhat.com, peterx@redhat.com, jasowang@redhat.com, jgg@nvidia.com, nicolinc@nvidia.com, joao.m.martins@oracle.com, clement.mathieu--drif@eviden.com, kevin.tian@intel.com, yi.l.liu@intel.com, chao.p.peng@intel.com, Zhenzhong Duan Subject: [PATCH v4 10/19] vfio/container: Implement HostIOMMUDeviceClass::get_cap() handler Date: Tue, 7 May 2024 17:20:34 +0800 Message-Id: <20240507092043.1172717-11-zhenzhong.duan@intel.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20240507092043.1172717-1-zhenzhong.duan@intel.com> References: <20240507092043.1172717-1-zhenzhong.duan@intel.com> MIME-Version: 1.0 Received-SPF: pass client-ip=198.175.65.21; envelope-from=zhenzhong.duan@intel.com; helo=mgamail.intel.com X-Spam_score_int: -49 X-Spam_score: -5.0 X-Spam_bar: ----- X-Spam_report: (-5.0 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.581, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_MED=-2.3, 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+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Suggested-by: Cédric Le Goater Signed-off-by: Zhenzhong Duan --- hw/vfio/container.c | 15 +++++++++++++++ 1 file changed, 15 insertions(+) diff --git a/hw/vfio/container.c b/hw/vfio/container.c index 8ce38a4a01..cc53c86b43 100644 --- a/hw/vfio/container.c +++ b/hw/vfio/container.c @@ -1154,11 +1154,26 @@ static bool hiod_legacy_vfio_realize(HostIOMMUDevice *hiod, void *opaque, return true; } +static int hiod_legacy_vfio_get_cap(HostIOMMUDevice *hiod, int cap, + Error **errp) +{ + HostIOMMUDeviceCaps *caps = &hiod->caps; + + switch (cap) { + case HOST_IOMMU_DEVICE_CAP_AW_BITS: + return caps->aw_bits; + default: + error_setg(errp, "Not support get cap %x", cap); + return -EINVAL; + } +} + static void hiod_legacy_vfio_class_init(ObjectClass *oc, void *data) { HostIOMMUDeviceClass *hioc = HOST_IOMMU_DEVICE_CLASS(oc); hioc->realize = hiod_legacy_vfio_realize; + hioc->get_cap = hiod_legacy_vfio_get_cap; }; static const TypeInfo types[] = {