From mboxrd@z Thu Jan 1 00:00:00 1970 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 D1427CAC59A for ; Thu, 18 Sep 2025 09:04:40 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1uzAU3-00011c-4t; Thu, 18 Sep 2025 04:59:19 -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 1uzATp-0000uZ-If for qemu-devel@nongnu.org; Thu, 18 Sep 2025 04:59:10 -0400 Received: from mgamail.intel.com ([192.198.163.8]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1uzATm-0004kl-Nw for qemu-devel@nongnu.org; Thu, 18 Sep 2025 04:59:04 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1758185942; x=1789721942; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=3QbQwAvL99C3pcmh0zP/Z/wXhtsUFSfIes+PM1D7A18=; b=MEVIlOQGfgZ9kD60NrUPEyq/i/AALu50Aj5apsT8RrHVb0PTmbq1eMnG vmARZKwoO8vpvRpyusqwg5y5B+MbW2FlzQ5Qna7nBCRKPGwNsVEUfhWRg i03MSXyhW8QqTdLAjTv5o67hx/pc2EPZEQYk5cZDwTBa2ZBYcXk7ubx6i 1c/vZ5nrIwQsDgJS4txSwM/Y+xI4PtdH9Ij/i9f030PE2thYcS6wEcZSm ZbRl/kRnhfWSvD6Cqn7epZ2OKYElkXIcy0ZKawFVNlvmmOSzg3ZipbOgA YCXLwLyg6SNg1/AQRpDU5bvYAk0dPwhq6J6QTzXDyPWvG9ebfDvZrLYuk g==; X-CSE-ConnectionGUID: HYegYi0nSz6Xq372jTlXOg== X-CSE-MsgGUID: 7ipUqqzuS9+94cof8v4k2w== X-IronPort-AV: E=McAfee;i="6800,10657,11556"; a="78109455" X-IronPort-AV: E=Sophos;i="6.18,274,1751266800"; d="scan'208";a="78109455" Received: from fmviesa009.fm.intel.com ([10.60.135.149]) by fmvoesa102.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 18 Sep 2025 01:59:00 -0700 X-CSE-ConnectionGUID: I/Fc8bB8SpmcztQnNWq3OQ== X-CSE-MsgGUID: f4wol+GLS2mxaxlB9tH/xA== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.18,274,1751266800"; d="scan'208";a="175930346" Received: from unknown (HELO gnr-sp-2s-612.sh.intel.com) ([10.112.230.229]) by fmviesa009-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 18 Sep 2025 01:58:57 -0700 From: Zhenzhong Duan To: qemu-devel@nongnu.org Cc: alex.williamson@redhat.com, clg@redhat.com, eric.auger@redhat.com, mst@redhat.com, jasowang@redhat.com, peterx@redhat.com, ddutile@redhat.com, jgg@nvidia.com, nicolinc@nvidia.com, skolothumtho@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 v6 07/22] intel_iommu: Introduce a new structure VTDHostIOMMUDevice Date: Thu, 18 Sep 2025 04:57:46 -0400 Message-ID: <20250918085803.796942-8-zhenzhong.duan@intel.com> X-Mailer: git-send-email 2.47.1 In-Reply-To: <20250918085803.796942-1-zhenzhong.duan@intel.com> References: <20250918085803.796942-1-zhenzhong.duan@intel.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Received-SPF: pass client-ip=192.198.163.8; envelope-from=zhenzhong.duan@intel.com; helo=mgamail.intel.com X-Spam_score_int: -43 X-Spam_score: -4.4 X-Spam_bar: ---- X-Spam_report: (-4.4 / 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_MED=-2.3, RCVD_IN_VALIDITY_RPBL_BLOCKED=0.001, RCVD_IN_VALIDITY_SAFE_BLOCKED=0.001, 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 Introduce a new structure VTDHostIOMMUDevice which replaces HostIOMMUDevice to be stored in hash table. It includes a reference to HostIOMMUDevice and IntelIOMMUState, also includes BDF information which will be used in future patches. Signed-off-by: Zhenzhong Duan Reviewed-by: Eric Auger Reviewed-by: Nicolin Chen Reviewed-by: Yi Liu --- hw/i386/intel_iommu_internal.h | 7 +++++++ include/hw/i386/intel_iommu.h | 2 +- hw/i386/intel_iommu.c | 15 +++++++++++++-- 3 files changed, 21 insertions(+), 3 deletions(-) diff --git a/hw/i386/intel_iommu_internal.h b/hw/i386/intel_iommu_internal.h index 86b8bfc71f..9cdc8d5dbb 100644 --- a/hw/i386/intel_iommu_internal.h +++ b/hw/i386/intel_iommu_internal.h @@ -28,6 +28,7 @@ #ifndef HW_I386_INTEL_IOMMU_INTERNAL_H #define HW_I386_INTEL_IOMMU_INTERNAL_H #include "hw/i386/intel_iommu.h" +#include "system/host_iommu_device.h" /* * Intel IOMMU register specification @@ -608,4 +609,10 @@ typedef struct VTDRootEntry VTDRootEntry; /* Bits to decide the offset for each level */ #define VTD_LEVEL_BITS 9 +typedef struct VTDHostIOMMUDevice { + IntelIOMMUState *iommu_state; + PCIBus *bus; + uint8_t devfn; + HostIOMMUDevice *hiod; +} VTDHostIOMMUDevice; #endif diff --git a/include/hw/i386/intel_iommu.h b/include/hw/i386/intel_iommu.h index 564d4d4236..3351892da0 100644 --- a/include/hw/i386/intel_iommu.h +++ b/include/hw/i386/intel_iommu.h @@ -295,7 +295,7 @@ struct IntelIOMMUState { /* list of registered notifiers */ QLIST_HEAD(, VTDAddressSpace) vtd_as_with_notifiers; - GHashTable *vtd_host_iommu_dev; /* HostIOMMUDevice */ + GHashTable *vtd_host_iommu_dev; /* VTDHostIOMMUDevice */ /* interrupt remapping */ bool intr_enabled; /* Whether guest enabled IR */ diff --git a/hw/i386/intel_iommu.c b/hw/i386/intel_iommu.c index 83c40975cc..ba40649c85 100644 --- a/hw/i386/intel_iommu.c +++ b/hw/i386/intel_iommu.c @@ -280,7 +280,10 @@ static gboolean vtd_hiod_equal(gconstpointer v1, gconstpointer v2) static void vtd_hiod_destroy(gpointer v) { - object_unref(v); + VTDHostIOMMUDevice *vtd_hiod = v; + + object_unref(vtd_hiod->hiod); + g_free(vtd_hiod); } static gboolean vtd_hash_remove_by_domain(gpointer key, gpointer value, @@ -4360,6 +4363,7 @@ static bool vtd_dev_set_iommu_device(PCIBus *bus, void *opaque, int devfn, HostIOMMUDevice *hiod, Error **errp) { IntelIOMMUState *s = opaque; + VTDHostIOMMUDevice *vtd_hiod; struct vtd_as_key key = { .bus = bus, .devfn = devfn, @@ -4376,7 +4380,14 @@ static bool vtd_dev_set_iommu_device(PCIBus *bus, void *opaque, int devfn, return false; } + vtd_hiod = g_malloc0(sizeof(VTDHostIOMMUDevice)); + vtd_hiod->bus = bus; + vtd_hiod->devfn = (uint8_t)devfn; + vtd_hiod->iommu_state = s; + vtd_hiod->hiod = hiod; + if (!vtd_check_hiod(s, hiod, errp)) { + g_free(vtd_hiod); vtd_iommu_unlock(s); return false; } @@ -4386,7 +4397,7 @@ static bool vtd_dev_set_iommu_device(PCIBus *bus, void *opaque, int devfn, new_key->devfn = devfn; object_ref(hiod); - g_hash_table_insert(s->vtd_host_iommu_dev, new_key, hiod); + g_hash_table_insert(s->vtd_host_iommu_dev, new_key, vtd_hiod); vtd_iommu_unlock(s); -- 2.47.1