From nobody Sun Jul 13 20:40:58 2025 Delivered-To: importer2@patchew.org Authentication-Results: mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer2=patchew.org@nongnu.org; dmarc=pass(p=none dis=none) header.from=linaro.org ARC-Seal: i=1; a=rsa-sha256; t=1623702682; cv=none; d=zohomail.com; s=zohoarc; b=mJRAx5dFQ1mn/IjzLfdFty9muRhn9dKMKEcyaUbRigE7pIKj/30p6z7j+sANVuOmTBU4VOuvRgDySRdHgAJJNm9NNXzBaPY9/4sZoWofOyNx5Zk1DPHZs6np5ZbXoyxK+lcK6qFmwNui7ycJZCvEv5zcAjOUBsNuy4bE3ZFHYSg= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1623702682; h=Content-Transfer-Encoding:Cc:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:To; bh=S/O1M1xy8qnEH5DkM7qojc/M8Nl3BQRdLguDgKBWfTs=; b=DGr+T7VPS/c3vLSrBUiRiN8RVx3iOzkeSDurkOOtIuQuyarXfcJPmODhCu8HCYvS14KXI5COLRyzaAqX1IB4znxWRpdQp6CZYX5NokJ/flppmY2dgeIY6G/oNx+E5QOD98V1H9pDaVWzmgqo2ebuK9251JSyYPqsXpO3hbMdaXA= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer2=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 1623702682871846.846034902452; Mon, 14 Jun 2021 13:31:22 -0700 (PDT) Received: from localhost ([::1]:36700 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1lstEv-0004Fd-Ra for importer2@patchew.org; Mon, 14 Jun 2021 16:31:21 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:51994) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1lstCX-0001Zn-CH for qemu-devel@nongnu.org; Mon, 14 Jun 2021 16:28:53 -0400 Received: from mail-pf1-x434.google.com ([2607:f8b0:4864:20::434]:39469) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1lstCV-0005hh-8L for qemu-devel@nongnu.org; Mon, 14 Jun 2021 16:28:53 -0400 Received: by mail-pf1-x434.google.com with SMTP id k15so11479269pfp.6 for ; Mon, 14 Jun 2021 13:28:50 -0700 (PDT) Received: from p14s.cg.shawcable.net (S0106889e681aac74.cg.shawcable.net. [68.147.0.187]) by smtp.gmail.com with ESMTPSA id fs10sm289029pjb.31.2021.06.14.13.28.48 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 14 Jun 2021 13:28:49 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=S/O1M1xy8qnEH5DkM7qojc/M8Nl3BQRdLguDgKBWfTs=; b=uwJlMdZVaXiyGEgP+3OEI/TXrlInB9r6omG3EGV92FwIFilzEzEyMgd33NakDVtMYK xUj07IrAoTyapdoBi7XR0pb3BgkR3OQJWqhso3tIm8OAfeJ1RXmNLRHRMytpQYhCJqYO RLw5X7IjmM6jsA0FZhd55K6LdJoWcs0Paas5Z/lhH5wbU73VL4bom8AJk5ob9NWsEJ3W EAaVXZ9Wr/YVNIReLb9ZCMrO3L/WPhUOcO9gFdV8byUSYcl0FUDLncF3eiTjZipxeA66 y7L/uCe0USgK81wbm+eFfmg0asCfFQAqIi58vegIuYEnEOQEdGS1d0rf1fb3rIIJ4wI0 9m7w== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=S/O1M1xy8qnEH5DkM7qojc/M8Nl3BQRdLguDgKBWfTs=; b=gNqq4qnMgSqhoWiya5f6xaZ5BxFfU25RnxLmAW28L70U3s64x0FYAVjA6NOoCQICxz S7GCsE/95y+h2POdE/vVdtCkWprvq2UmM12kLH9VUUyF1lebTV/WpZKHmSiaGoIPGj8J rizj1wMXotM/dtsFXrxHHxd6nsvWZYQzWYvd4/xnX1LVa9BZRDh1RcuAXGJoTQkSE6Qy FzWl9R1BjTdpfWSqgHykKX/WPpbLx9I9rxqAhE9Tz15Pvoz+PhedOLtSH7sa1ckIe7Sh smiVLhnnDX1wuuLbnYYfz+8ZmAYFWOyGfjxYAMIXJSr3077zrU86E4xepGtoHbuuCvfd gxCQ== X-Gm-Message-State: AOAM530UsOQUOrv6ZPBC59UjlFk57ItfrOYAd7ZQf6N7LufP1i5Ll+zK K1QRwauWvKodYnrB6CefVCG1dB3DITIAMA== X-Google-Smtp-Source: ABdhPJzV/cWJUdCNWt52bxEXbZv6A2yormcPdxPcqgG20w5zRGev5fUPUojim0utPKTC2jBJ6+L4og== X-Received: by 2002:a63:4849:: with SMTP id x9mr19000109pgk.59.1623702530017; Mon, 14 Jun 2021 13:28:50 -0700 (PDT) From: Mathieu Poirier To: mst@redhat.com, alex.bennee@linaro.org Subject: [PATCH v2 2/5] vhost-user-rng-pci: Add vhost-user-rng-pci implementation Date: Mon, 14 Jun 2021 14:28:39 -0600 Message-Id: <20210614202842.581640-3-mathieu.poirier@linaro.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20210614202842.581640-1-mathieu.poirier@linaro.org> References: <20210614202842.581640-1-mathieu.poirier@linaro.org> 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+importer2=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=2607:f8b0:4864:20::434; envelope-from=mathieu.poirier@linaro.org; helo=mail-pf1-x434.google.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, 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: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: qemu-devel@nongnu.org, stratos-dev@op-lists.linaro.org Errors-To: qemu-devel-bounces+importer2=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: pass (identity @linaro.org) Content-Type: text/plain; charset="utf-8" This patch provides a PCI bus interface to the vhost-user-rng backed. The implentation is similar to what was done for vhost-user-i2c-pci and vhost-user-fs-pci. Signed-off-by: Mathieu Poirier --- hw/virtio/meson.build | 1 + hw/virtio/vhost-user-rng-pci.c | 79 ++++++++++++++++++++++++++++++++++ 2 files changed, 80 insertions(+) create mode 100644 hw/virtio/vhost-user-rng-pci.c diff --git a/hw/virtio/meson.build b/hw/virtio/meson.build index e386791f2a05..1430b370e64d 100644 --- a/hw/virtio/meson.build +++ b/hw/virtio/meson.build @@ -26,6 +26,7 @@ virtio_ss.add(when: 'CONFIG_VIRTIO_RNG', if_true: files('= virtio-rng.c')) virtio_ss.add(when: 'CONFIG_VIRTIO_IOMMU', if_true: files('virtio-iommu.c'= )) virtio_ss.add(when: 'CONFIG_VIRTIO_MEM', if_true: files('virtio-mem.c')) virtio_ss.add(when: 'CONFIG_VHOST_USER_RNG', if_true: files('vhost-user-rn= g.c')) +virtio_ss.add(when: ['CONFIG_VHOST_USER_RNG', 'CONFIG_VIRTIO_PCI'], if_tru= e: files('vhost-user-rng-pci.c')) =20 virtio_pci_ss =3D ss.source_set() virtio_pci_ss.add(when: 'CONFIG_VHOST_VSOCK', if_true: files('vhost-vsock-= pci.c')) diff --git a/hw/virtio/vhost-user-rng-pci.c b/hw/virtio/vhost-user-rng-pci.c new file mode 100644 index 000000000000..ffff2de39fd4 --- /dev/null +++ b/hw/virtio/vhost-user-rng-pci.c @@ -0,0 +1,79 @@ +/* + * Vhost-user RNG virtio device PCI glue + * + * Copyright (c) 2021 Mathieu Poirier + * + * SPDX-License-Identifier: GPL-2.0-or-later + */ + +#include "qemu/osdep.h" +#include "hw/qdev-properties.h" +#include "hw/virtio/vhost-user-rng.h" +#include "virtio-pci.h" + +struct VHostUserRNGPCI { + VirtIOPCIProxy parent_obj; + VHostUserRNG vdev; +}; + +typedef struct VHostUserRNGPCI VHostUserRNGPCI; + +#define TYPE_VHOST_USER_RNG_PCI "vhost-user-rng-pci-base" + +DECLARE_INSTANCE_CHECKER(VHostUserRNGPCI, VHOST_USER_RNG_PCI, + TYPE_VHOST_USER_RNG_PCI) + +static Property vhost_user_rng_pci_properties[] =3D { + DEFINE_PROP_UINT32("vectors", VirtIOPCIProxy, nvectors, + DEV_NVECTORS_UNSPECIFIED), + DEFINE_PROP_END_OF_LIST(), +}; + +static void vhost_user_rng_pci_realize(VirtIOPCIProxy *vpci_dev, Error **e= rrp) +{ + VHostUserRNGPCI *dev =3D VHOST_USER_RNG_PCI(vpci_dev); + DeviceState *vdev =3D DEVICE(&dev->vdev); + + if (vpci_dev->nvectors =3D=3D DEV_NVECTORS_UNSPECIFIED) { + vpci_dev->nvectors =3D 1; + } + + qdev_realize(vdev, BUS(&vpci_dev->bus), errp); +} + +static void vhost_user_rng_pci_class_init(ObjectClass *klass, void *data) +{ + DeviceClass *dc =3D DEVICE_CLASS(klass); + VirtioPCIClass *k =3D VIRTIO_PCI_CLASS(klass); + PCIDeviceClass *pcidev_k =3D PCI_DEVICE_CLASS(klass); + k->realize =3D vhost_user_rng_pci_realize; + set_bit(DEVICE_CATEGORY_INPUT, dc->categories); + device_class_set_props(dc, vhost_user_rng_pci_properties); + pcidev_k->vendor_id =3D PCI_VENDOR_ID_REDHAT_QUMRANET; + pcidev_k->device_id =3D 0; /* Set by virtio-pci based on virtio id */ + pcidev_k->revision =3D 0x00; + pcidev_k->class_id =3D PCI_CLASS_COMMUNICATION_OTHER; +} + +static void vhost_user_rng_pci_instance_init(Object *obj) +{ + VHostUserRNGPCI *dev =3D VHOST_USER_RNG_PCI(obj); + + virtio_instance_init_common(obj, &dev->vdev, sizeof(dev->vdev), + TYPE_VHOST_USER_RNG); +} + +static const VirtioPCIDeviceTypeInfo vhost_user_rng_pci_info =3D { + .base_name =3D TYPE_VHOST_USER_RNG_PCI, + .non_transitional_name =3D "vhost-user-rng-pci", + .instance_size =3D sizeof(VHostUserRNGPCI), + .instance_init =3D vhost_user_rng_pci_instance_init, + .class_init =3D vhost_user_rng_pci_class_init, +}; + +static void vhost_user_rng_pci_register(void) +{ + virtio_pci_types_register(&vhost_user_rng_pci_info); +} + +type_init(vhost_user_rng_pci_register); --=20 2.25.1