From nobody Sat Nov 15 12:49:57 2025 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=pass(p=none dis=none) header.from=nongnu.org ARC-Seal: i=1; a=rsa-sha256; t=1752513076; cv=none; d=zohomail.com; s=zohoarc; b=AtU7tDD3tEqTQgeBJcnuHQH7zCpzgnesA8QhsmvodL/8Lc1dyJUwpUDxWKaxqDVMeI+pss80HiD8A+n4XRPp+sce9zMRjEtHMNy+5ghSPUKRdkMVMKiNyTcQC9PveYQETxCKPg3Kzp7TkbblnHSYHbE5Dlxm7ZrwtmhY2ijRqk8= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1752513076; h=Content-Type:Cc:Cc:Date:Date:From:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:Reply-To:Reply-To:References:Sender:Subject:Subject:To:To:Message-Id; bh=eQW7M+CB0uhcbIV42rsucqgbmeip1RXBVrfhSBurjdc=; b=GbyiEC8YMAe4YkIH0esn9MA/75Oem4plJOOsWIJHi/V56S8wEVZ79IWb1DdRjqoba7Sg5rxCnNtfe3SJ+kCOz/AUF9A4OyNeQEwRJn8sFZ+BGsH5QT6kB3wTqWr4lRYVQ2y4UBD7e9RfxnhLgu5dB5J5ReE3v/f1kCVCdfngRQI= ARC-Authentication-Results: i=1; mx.zohomail.com; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=pass header.from= (p=none dis=none) Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1752513076518917.868141847446; Mon, 14 Jul 2025 10:11:16 -0700 (PDT) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1ubMgt-0005Dn-CU; Mon, 14 Jul 2025 13:10:13 -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 1ubLbk-0004zi-Qi; Mon, 14 Jul 2025 12:00:57 -0400 Received: from [185.176.79.56] (helo=frasgout.his.huawei.com) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1ubLbi-0008GK-0I; Mon, 14 Jul 2025 12:00:48 -0400 Received: from mail.maildlp.com (unknown [172.18.186.31]) by frasgout.his.huawei.com (SkyGuard) with ESMTP id 4bgn566cSqz6L4vp; Mon, 14 Jul 2025 23:57:14 +0800 (CST) Received: from frapeml500008.china.huawei.com (unknown [7.182.85.71]) by mail.maildlp.com (Postfix) with ESMTPS id 38A401402F4; Tue, 15 Jul 2025 00:00:42 +0800 (CST) Received: from A2303104131.china.huawei.com (10.203.177.241) by frapeml500008.china.huawei.com (7.182.85.71) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.1.2507.39; Mon, 14 Jul 2025 18:00:33 +0200 To: , CC: , , , , , , , , , , , , , , , Subject: [RFC PATCH v3 03/15] hw/arm/smmu-common: Factor out common helper functions and export Date: Mon, 14 Jul 2025 16:59:29 +0100 Message-ID: <20250714155941.22176-4-shameerali.kolothum.thodi@huawei.com> X-Mailer: git-send-email 2.12.0.windows.1 In-Reply-To: <20250714155941.22176-1-shameerali.kolothum.thodi@huawei.com> References: <20250714155941.22176-1-shameerali.kolothum.thodi@huawei.com> MIME-Version: 1.0 X-Originating-IP: [10.203.177.241] X-ClientProxiedBy: kwepems500002.china.huawei.com (7.221.188.17) To frapeml500008.china.huawei.com (7.182.85.71) X-Host-Lookup-Failed: Reverse DNS lookup failed for 185.176.79.56 (deferred) 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=185.176.79.56; envelope-from=shameerali.kolothum.thodi@huawei.com; helo=frasgout.his.huawei.com X-Spam_score_int: -33 X-Spam_score: -3.4 X-Spam_bar: --- X-Spam_report: (-3.4 / 5.0 requ) BAYES_00=-1.9, RCVD_IN_DNSWL_MED=-2.3, RCVD_IN_MSPIKE_H5=0.001, RCVD_IN_MSPIKE_WL=0.001, RCVD_IN_VALIDITY_CERTIFIED_BLOCKED=0.001, RCVD_IN_VALIDITY_RPBL_BLOCKED=0.001, RDNS_NONE=0.793, 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: , Reply-to: Shameer Kolothum From: Shameer Kolothum via Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZM-MESSAGEID: 1752513077158116600 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" Subsequent patches for smmuv3 accel support will make use of this. Signed-off-by: Nicolin Chen Reviewed-by: Eric Auger Signed-off-by: Shameer Kolothum --- hw/arm/smmu-common.c | 48 ++++++++++++++++++++++-------------- include/hw/arm/smmu-common.h | 6 +++++ 2 files changed, 36 insertions(+), 18 deletions(-) diff --git a/hw/arm/smmu-common.c b/hw/arm/smmu-common.c index ab920717cf..0f1a06cec2 100644 --- a/hw/arm/smmu-common.c +++ b/hw/arm/smmu-common.c @@ -847,12 +847,28 @@ SMMUPciBus *smmu_find_smmu_pcibus(SMMUState *s, uint8= _t bus_num) return NULL; } =20 -static AddressSpace *smmu_find_add_as(PCIBus *bus, void *opaque, int devfn) +void smmu_init_sdev(SMMUState *s, SMMUDevice *sdev, + PCIBus *bus, int devfn) { - SMMUState *s =3D opaque; - SMMUPciBus *sbus =3D g_hash_table_lookup(s->smmu_pcibus_by_busptr, bus= ); - SMMUDevice *sdev; static unsigned int index; + char *name =3D g_strdup_printf("%s-%d-%d", s->mrtypename, devfn, index= ++); + + sdev->smmu =3D s; + sdev->bus =3D bus; + sdev->devfn =3D devfn; + + memory_region_init_iommu(&sdev->iommu, sizeof(sdev->iommu), + s->mrtypename, + OBJECT(s), name, UINT64_MAX); + address_space_init(&sdev->as, + MEMORY_REGION(&sdev->iommu), name); + trace_smmu_add_mr(name); + g_free(name); +} + +SMMUPciBus *smmu_get_sbus(SMMUState *s, PCIBus *bus) +{ + SMMUPciBus *sbus =3D g_hash_table_lookup(s->smmu_pcibus_by_busptr, bus= ); =20 if (!sbus) { sbus =3D g_malloc0(sizeof(SMMUPciBus) + @@ -861,23 +877,19 @@ static AddressSpace *smmu_find_add_as(PCIBus *bus, vo= id *opaque, int devfn) g_hash_table_insert(s->smmu_pcibus_by_busptr, bus, sbus); } =20 + return sbus; +} + +static AddressSpace *smmu_find_add_as(PCIBus *bus, void *opaque, int devfn) +{ + SMMUDevice *sdev; + SMMUState *s =3D opaque; + SMMUPciBus *sbus =3D smmu_get_sbus(s, bus); + sdev =3D sbus->pbdev[devfn]; if (!sdev) { - char *name =3D g_strdup_printf("%s-%d-%d", s->mrtypename, devfn, i= ndex++); - sdev =3D sbus->pbdev[devfn] =3D g_new0(SMMUDevice, 1); - - sdev->smmu =3D s; - sdev->bus =3D bus; - sdev->devfn =3D devfn; - - memory_region_init_iommu(&sdev->iommu, sizeof(sdev->iommu), - s->mrtypename, - OBJECT(s), name, UINT64_MAX); - address_space_init(&sdev->as, - MEMORY_REGION(&sdev->iommu), name); - trace_smmu_add_mr(name); - g_free(name); + smmu_init_sdev(s, sdev, bus, devfn); } =20 return &sdev->as; diff --git a/include/hw/arm/smmu-common.h b/include/hw/arm/smmu-common.h index 80d0fecfde..c6f899e403 100644 --- a/include/hw/arm/smmu-common.h +++ b/include/hw/arm/smmu-common.h @@ -180,6 +180,12 @@ OBJECT_DECLARE_TYPE(SMMUState, SMMUBaseClass, ARM_SMMU) /* Return the SMMUPciBus handle associated to a PCI bus number */ SMMUPciBus *smmu_find_smmu_pcibus(SMMUState *s, uint8_t bus_num); =20 +/* Return the SMMUPciBus handle associated to a PCI bus */ +SMMUPciBus *smmu_get_sbus(SMMUState *s, PCIBus *bus); + +/* Initialize SMMUDevice handle associated to a SMMUPCIBus */ +void smmu_init_sdev(SMMUState *s, SMMUDevice *sdev, PCIBus *bus, int devfn= ); + /* Return the stream ID of an SMMU device */ static inline uint16_t smmu_get_sid(SMMUDevice *sdev) { --=20 2.34.1