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a="57973960" X-IronPort-AV: E=Sophos;i="6.16,297,1744095600"; d="scan'208";a="57973960" X-CSE-ConnectionGUID: egwCBXf5QbOpKzbG/n3EaQ== X-CSE-MsgGUID: cOZ9T2MbRcap460ODKMmBA== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.16,297,1744095600"; d="scan'208";a="192647949" 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, shameerali.kolothum.thodi@huawei.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 v3 06/20] intel_iommu: Introduce a new structure VTDHostIOMMUDevice Date: Tue, 8 Jul 2025 07:05:47 -0400 Message-ID: <20250708110601.633308-7-zhenzhong.duan@intel.com> X-Mailer: git-send-email 2.47.1 In-Reply-To: <20250708110601.633308-1-zhenzhong.duan@intel.com> References: <20250708110601.633308-1-zhenzhong.duan@intel.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=198.175.65.14; 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_CERTIFIED_BLOCKED=0.001, RCVD_IN_VALIDITY_RPBL_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+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @intel.com) X-ZM-MESSAGEID: 1752009741675116600 Content-Type: text/plain; charset="utf-8" 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 --- hw/i386/intel_iommu.c | 15 +++++++++++++-- hw/i386/intel_iommu_internal.h | 7 +++++++ include/hw/i386/intel_iommu.h | 2 +- 3 files changed, 21 insertions(+), 3 deletions(-) diff --git a/hw/i386/intel_iommu.c b/hw/i386/intel_iommu.c index 702973da5c..e90fd2f28f 100644 --- a/hw/i386/intel_iommu.c +++ b/hw/i386/intel_iommu.c @@ -281,7 +281,10 @@ static gboolean vtd_hiod_equal(gconstpointer v1, gcons= tpointer v2) =20 static void vtd_hiod_destroy(gpointer v) { - object_unref(v); + VTDHostIOMMUDevice *vtd_hiod =3D v; + + object_unref(vtd_hiod->hiod); + g_free(vtd_hiod); } =20 static gboolean vtd_hash_remove_by_domain(gpointer key, gpointer value, @@ -4360,6 +4363,7 @@ static bool vtd_dev_set_iommu_device(PCIBus *bus, voi= d *opaque, int devfn, HostIOMMUDevice *hiod, Error **errp) { IntelIOMMUState *s =3D opaque; + VTDHostIOMMUDevice *vtd_hiod; struct vtd_as_key key =3D { .bus =3D bus, .devfn =3D devfn, @@ -4376,7 +4380,14 @@ static bool vtd_dev_set_iommu_device(PCIBus *bus, vo= id *opaque, int devfn, return false; } =20 + vtd_hiod =3D g_malloc0(sizeof(VTDHostIOMMUDevice)); + vtd_hiod->bus =3D bus; + vtd_hiod->devfn =3D (uint8_t)devfn; + vtd_hiod->iommu_state =3D s; + vtd_hiod->hiod =3D 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, voi= d *opaque, int devfn, new_key->devfn =3D devfn; =20 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); =20 vtd_iommu_unlock(s); =20 diff --git a/hw/i386/intel_iommu_internal.h b/hw/i386/intel_iommu_internal.h index e8b211e8b0..7aba259ef8 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" =20 /* * Intel IOMMU register specification @@ -607,4 +608,10 @@ typedef struct VTDRootEntry VTDRootEntry; /* Bits to decide the offset for each level */ #define VTD_LEVEL_BITS 9 =20 +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 e95477e855..50f9b27a45 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; =20 - GHashTable *vtd_host_iommu_dev; /* HostIOMMUDevice */ + GHashTable *vtd_host_iommu_dev; /* VTDHostIOMMUDevice */ =20 /* interrupt remapping */ bool intr_enabled; /* Whether guest enabled IR */ --=20 2.47.1