From patchwork Thu Feb 2 05:55:38 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: John Johnson X-Patchwork-Id: 13125359 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 3C6A1C61DA4 for ; Thu, 2 Feb 2023 05:49:15 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1pNSP8-00086P-Uh; Thu, 02 Feb 2023 00:45:02 -0500 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 1pNSP7-00085G-0Z for qemu-devel@nongnu.org; Thu, 02 Feb 2023 00:45:01 -0500 Received: from mx0b-00069f02.pphosted.com ([205.220.177.32]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1pNSP3-0006x6-LG for qemu-devel@nongnu.org; Thu, 02 Feb 2023 00:45:00 -0500 Received: from pps.filterd (m0246631.ppops.net [127.0.0.1]) by mx0b-00069f02.pphosted.com (8.17.1.19/8.17.1.19) with ESMTP id 3124i2k1029277; Thu, 2 Feb 2023 05:44:56 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=oracle.com; h=from : to : cc : subject : date : message-id : in-reply-to : references : in-reply-to : references; s=corp-2022-7-12; bh=hQdDrXesDc+e7ZPl0QeAWbPDNFhn5J9buEdtGCyORsk=; b=AG4Ni7CEthJyfI8bWLU8shlJxSwudqeAq9H9k3zkGdX5KX3UhUZFa69zLY7u6wRSz56K YhAVjLkxPPwPw+cl1KjFWWd0yGCNBRfrtq8iXv7UN7v+fXpPzgsSuSjkn96a85TPSR+0 7BLrbLHILiv+nF7dISJTSQ+gU7yJU8acsoS2REDEh2wD0zspM0VJWHWNmCgzViSeFRYF AInz7kXGXfivcYZk6RCjW5aHYkyNHHDiDxNndOkOPeRKGB0J8GL80o54JCpyKwUdOBfH GPGmoFQquw7TMol5xAsxYxwPT1B7phUztEkEMfQnyJ7fV4pRBCTbFMR9G8EZ5pF4GGiK 4g== Received: from iadpaimrmta01.imrmtpd1.prodappiadaev1.oraclevcn.com (iadpaimrmta01.appoci.oracle.com [130.35.100.223]) by mx0b-00069f02.pphosted.com (PPS) with ESMTPS id 3nfmbg2bh8-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Thu, 02 Feb 2023 05:44:56 +0000 Received: from pps.filterd (iadpaimrmta01.imrmtpd1.prodappiadaev1.oraclevcn.com [127.0.0.1]) by iadpaimrmta01.imrmtpd1.prodappiadaev1.oraclevcn.com (8.17.1.5/8.17.1.5) with ESMTP id 31254PpU013015; Thu, 2 Feb 2023 05:44:55 GMT Received: from bruckner.us.oracle.com (dhcp-10-65-133-23.vpn.oracle.com [10.65.133.23]) by iadpaimrmta01.imrmtpd1.prodappiadaev1.oraclevcn.com (PPS) with ESMTPS id 3nct5f5gb1-3 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO); Thu, 02 Feb 2023 05:44:55 +0000 From: John Johnson To: qemu-devel@nongnu.org Cc: alex.williamson@redhat.com, clg@redhat.com, philmd@linaro.org Subject: [PATCH v2 02/23] vfio-user: add VFIO base abstract class Date: Wed, 1 Feb 2023 21:55:38 -0800 Message-Id: X-Mailer: git-send-email 1.8.3.1 In-Reply-To: References: In-Reply-To: References: X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.219,Aquarius:18.0.930,Hydra:6.0.562,FMLib:17.11.122.1 definitions=2023-02-01_15,2023-01-31_01,2022-06-22_01 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 spamscore=0 phishscore=0 malwarescore=0 adultscore=0 bulkscore=0 mlxscore=0 mlxlogscore=999 suspectscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2212070000 definitions=main-2302020053 X-Proofpoint-ORIG-GUID: FopPxtlZcfdZ78UIQN1ew5GTxIxXzLYj X-Proofpoint-GUID: FopPxtlZcfdZ78UIQN1ew5GTxIxXzLYj Received-SPF: pass client-ip=205.220.177.32; envelope-from=john.g.johnson@oracle.com; helo=mx0b-00069f02.pphosted.com X-Spam_score_int: -27 X-Spam_score: -2.8 X-Spam_bar: -- X-Spam_report: (-2.8 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_MED=-0.001, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_LOW=-0.7, RCVD_IN_MSPIKE_H2=-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 Add an abstract base class both the kernel driver and user socket implementations can use to share code. Signed-off-by: John G Johnson Signed-off-by: Elena Ufimtseva Signed-off-by: Jagannathan Raman --- hw/vfio/pci.h | 16 +++++++-- hw/vfio/pci.c | 106 +++++++++++++++++++++++++++++++++++----------------------- 2 files changed, 78 insertions(+), 44 deletions(-) diff --git a/hw/vfio/pci.h b/hw/vfio/pci.h index 7c236a5..7fb656c 100644 --- a/hw/vfio/pci.h +++ b/hw/vfio/pci.h @@ -115,8 +115,13 @@ typedef struct VFIOMSIXInfo { unsigned long *pending; } VFIOMSIXInfo; -#define TYPE_VFIO_PCI "vfio-pci" -OBJECT_DECLARE_SIMPLE_TYPE(VFIOPCIDevice, VFIO_PCI) +/* + * TYPE_VFIO_PCI_BASE is an abstract type used to share code + * between VFIO implementations that use a kernel driver + * with those that use user sockets. + */ +#define TYPE_VFIO_PCI_BASE "vfio-pci-base" +OBJECT_DECLARE_SIMPLE_TYPE(VFIOPCIDevice, VFIO_PCI_BASE) struct VFIOPCIDevice { PCIDevice pdev; @@ -177,6 +182,13 @@ struct VFIOPCIDevice { Notifier irqchip_change_notifier; }; +#define TYPE_VFIO_PCI "vfio-pci" +OBJECT_DECLARE_SIMPLE_TYPE(VFIOKernelPCIDevice, VFIO_PCI) + +struct VFIOKernelPCIDevice { + VFIOPCIDevice device; +}; + /* Use uin32_t for vendor & device so PCI_ANY_ID expands and cannot match hw */ static inline bool vfio_pci_is(VFIOPCIDevice *vdev, uint32_t vendor, uint32_t device) { diff --git a/hw/vfio/pci.c b/hw/vfio/pci.c index 939dcc3..9d70114 100644 --- a/hw/vfio/pci.c +++ b/hw/vfio/pci.c @@ -235,7 +235,7 @@ static void vfio_intx_update(VFIOPCIDevice *vdev, PCIINTxRoute *route) static void vfio_intx_routing_notifier(PCIDevice *pdev) { - VFIOPCIDevice *vdev = VFIO_PCI(pdev); + VFIOPCIDevice *vdev = VFIO_PCI_BASE(pdev); PCIINTxRoute route; if (vdev->interrupt != VFIO_INT_INTx) { @@ -467,7 +467,7 @@ static void vfio_update_kvm_msi_virq(VFIOMSIVector *vector, MSIMessage msg, static int vfio_msix_vector_do_use(PCIDevice *pdev, unsigned int nr, MSIMessage *msg, IOHandler *handler) { - VFIOPCIDevice *vdev = VFIO_PCI(pdev); + VFIOPCIDevice *vdev = VFIO_PCI_BASE(pdev); VFIOMSIVector *vector; int ret; @@ -561,7 +561,7 @@ static int vfio_msix_vector_use(PCIDevice *pdev, static void vfio_msix_vector_release(PCIDevice *pdev, unsigned int nr) { - VFIOPCIDevice *vdev = VFIO_PCI(pdev); + VFIOPCIDevice *vdev = VFIO_PCI_BASE(pdev); VFIOMSIVector *vector = &vdev->msi_vectors[nr]; trace_vfio_msix_vector_release(vdev->vbasedev.name, nr); @@ -1109,7 +1109,7 @@ static const MemoryRegionOps vfio_vga_ops = { */ static void vfio_sub_page_bar_update_mapping(PCIDevice *pdev, int bar) { - VFIOPCIDevice *vdev = VFIO_PCI(pdev); + VFIOPCIDevice *vdev = VFIO_PCI_BASE(pdev); VFIORegion *region = &vdev->bars[bar].region; MemoryRegion *mmap_mr, *region_mr, *base_mr; PCIIORegion *r; @@ -1155,7 +1155,7 @@ static void vfio_sub_page_bar_update_mapping(PCIDevice *pdev, int bar) */ uint32_t vfio_pci_read_config(PCIDevice *pdev, uint32_t addr, int len) { - VFIOPCIDevice *vdev = VFIO_PCI(pdev); + VFIOPCIDevice *vdev = VFIO_PCI_BASE(pdev); uint32_t emu_bits = 0, emu_val = 0, phys_val = 0, val; memcpy(&emu_bits, vdev->emulated_config_bits + addr, len); @@ -1188,7 +1188,7 @@ uint32_t vfio_pci_read_config(PCIDevice *pdev, uint32_t addr, int len) void vfio_pci_write_config(PCIDevice *pdev, uint32_t addr, uint32_t val, int len) { - VFIOPCIDevice *vdev = VFIO_PCI(pdev); + VFIOPCIDevice *vdev = VFIO_PCI_BASE(pdev); uint32_t val_le = cpu_to_le32(val); trace_vfio_pci_write_config(vdev->vbasedev.name, addr, val, len); @@ -2845,7 +2845,7 @@ static void vfio_unregister_req_notifier(VFIOPCIDevice *vdev) static void vfio_realize(PCIDevice *pdev, Error **errp) { - VFIOPCIDevice *vdev = VFIO_PCI(pdev); + VFIOPCIDevice *vdev = VFIO_PCI_BASE(pdev); VFIODevice *vbasedev = &vdev->vbasedev; VFIODevice *vbasedev_iter; VFIOGroup *group; @@ -3169,7 +3169,7 @@ error: static void vfio_instance_finalize(Object *obj) { - VFIOPCIDevice *vdev = VFIO_PCI(obj); + VFIOPCIDevice *vdev = VFIO_PCI_BASE(obj); VFIOGroup *group = vdev->vbasedev.group; vfio_display_finalize(vdev); @@ -3189,7 +3189,7 @@ static void vfio_instance_finalize(Object *obj) static void vfio_exitfn(PCIDevice *pdev) { - VFIOPCIDevice *vdev = VFIO_PCI(pdev); + VFIOPCIDevice *vdev = VFIO_PCI_BASE(pdev); vfio_unregister_req_notifier(vdev); vfio_unregister_err_notifier(vdev); @@ -3208,7 +3208,7 @@ static void vfio_exitfn(PCIDevice *pdev) static void vfio_pci_reset(DeviceState *dev) { - VFIOPCIDevice *vdev = VFIO_PCI(dev); + VFIOPCIDevice *vdev = VFIO_PCI_BASE(dev); trace_vfio_pci_reset(vdev->vbasedev.name); @@ -3248,7 +3248,7 @@ post_reset: static void vfio_instance_init(Object *obj) { PCIDevice *pci_dev = PCI_DEVICE(obj); - VFIOPCIDevice *vdev = VFIO_PCI(obj); + VFIOPCIDevice *vdev = VFIO_PCI_BASE(obj); device_add_bootindex_property(obj, &vdev->bootindex, "bootindex", NULL, @@ -3265,24 +3265,12 @@ static void vfio_instance_init(Object *obj) pci_dev->cap_present |= QEMU_PCI_CAP_EXPRESS; } -static Property vfio_pci_dev_properties[] = { - DEFINE_PROP_PCI_HOST_DEVADDR("host", VFIOPCIDevice, host), - DEFINE_PROP_STRING("sysfsdev", VFIOPCIDevice, vbasedev.sysfsdev), +static Property vfio_pci_base_dev_properties[] = { DEFINE_PROP_ON_OFF_AUTO("x-pre-copy-dirty-page-tracking", VFIOPCIDevice, vbasedev.pre_copy_dirty_page_tracking, ON_OFF_AUTO_ON), - DEFINE_PROP_ON_OFF_AUTO("display", VFIOPCIDevice, - display, ON_OFF_AUTO_OFF), - DEFINE_PROP_UINT32("xres", VFIOPCIDevice, display_xres, 0), - DEFINE_PROP_UINT32("yres", VFIOPCIDevice, display_yres, 0), DEFINE_PROP_UINT32("x-intx-mmap-timeout-ms", VFIOPCIDevice, intx.mmap_timeout, 1100), - DEFINE_PROP_BIT("x-vga", VFIOPCIDevice, features, - VFIO_FEATURE_ENABLE_VGA_BIT, false), - DEFINE_PROP_BIT("x-req", VFIOPCIDevice, features, - VFIO_FEATURE_ENABLE_REQ_BIT, true), - DEFINE_PROP_BIT("x-igd-opregion", VFIOPCIDevice, features, - VFIO_FEATURE_ENABLE_IGD_OPREGION_BIT, false), DEFINE_PROP_BOOL("x-enable-migration", VFIOPCIDevice, vbasedev.enable_migration, false), DEFINE_PROP_BOOL("x-no-mmap", VFIOPCIDevice, vbasedev.no_mmap, false), @@ -3291,8 +3279,6 @@ static Property vfio_pci_dev_properties[] = { DEFINE_PROP_BOOL("x-no-kvm-intx", VFIOPCIDevice, no_kvm_intx, false), DEFINE_PROP_BOOL("x-no-kvm-msi", VFIOPCIDevice, no_kvm_msi, false), DEFINE_PROP_BOOL("x-no-kvm-msix", VFIOPCIDevice, no_kvm_msix, false), - DEFINE_PROP_BOOL("x-no-geforce-quirks", VFIOPCIDevice, - no_geforce_quirks, false), DEFINE_PROP_BOOL("x-no-kvm-ioeventfd", VFIOPCIDevice, no_kvm_ioeventfd, false), DEFINE_PROP_BOOL("x-no-vfio-ioeventfd", VFIOPCIDevice, no_vfio_ioeventfd, @@ -3303,10 +3289,6 @@ static Property vfio_pci_dev_properties[] = { sub_vendor_id, PCI_ANY_ID), DEFINE_PROP_UINT32("x-pci-sub-device-id", VFIOPCIDevice, sub_device_id, PCI_ANY_ID), - DEFINE_PROP_UINT32("x-igd-gms", VFIOPCIDevice, igd_gms, 0), - DEFINE_PROP_UNSIGNED_NODEFAULT("x-nv-gpudirect-clique", VFIOPCIDevice, - nv_gpudirect_clique, - qdev_prop_nv_gpudirect_clique, uint8_t), DEFINE_PROP_OFF_AUTO_PCIBAR("x-msix-relocation", VFIOPCIDevice, msix_relo, OFF_AUTOPCIBAR_OFF), /* @@ -3317,28 +3299,25 @@ static Property vfio_pci_dev_properties[] = { DEFINE_PROP_END_OF_LIST(), }; -static void vfio_pci_dev_class_init(ObjectClass *klass, void *data) +static void vfio_pci_base_dev_class_init(ObjectClass *klass, void *data) { DeviceClass *dc = DEVICE_CLASS(klass); PCIDeviceClass *pdc = PCI_DEVICE_CLASS(klass); - dc->reset = vfio_pci_reset; - device_class_set_props(dc, vfio_pci_dev_properties); - dc->desc = "VFIO-based PCI device assignment"; + device_class_set_props(dc, vfio_pci_base_dev_properties); + dc->desc = "VFIO PCI base device"; set_bit(DEVICE_CATEGORY_MISC, dc->categories); - pdc->realize = vfio_realize; pdc->exit = vfio_exitfn; pdc->config_read = vfio_pci_read_config; pdc->config_write = vfio_pci_write_config; } -static const TypeInfo vfio_pci_dev_info = { - .name = TYPE_VFIO_PCI, +static const TypeInfo vfio_pci_base_dev_info = { + .name = TYPE_VFIO_PCI_BASE, .parent = TYPE_PCI_DEVICE, - .instance_size = sizeof(VFIOPCIDevice), - .class_init = vfio_pci_dev_class_init, - .instance_init = vfio_instance_init, - .instance_finalize = vfio_instance_finalize, + .instance_size = 0, + .abstract = true, + .class_init = vfio_pci_base_dev_class_init, .interfaces = (InterfaceInfo[]) { { INTERFACE_PCIE_DEVICE }, { INTERFACE_CONVENTIONAL_PCI_DEVICE }, @@ -3346,6 +3325,48 @@ static const TypeInfo vfio_pci_dev_info = { }, }; +static Property vfio_pci_dev_properties[] = { + DEFINE_PROP_PCI_HOST_DEVADDR("host", VFIOPCIDevice, host), + DEFINE_PROP_STRING("sysfsdev", VFIOPCIDevice, vbasedev.sysfsdev), + DEFINE_PROP_ON_OFF_AUTO("display", VFIOPCIDevice, + display, ON_OFF_AUTO_OFF), + DEFINE_PROP_UINT32("xres", VFIOPCIDevice, display_xres, 0), + DEFINE_PROP_UINT32("yres", VFIOPCIDevice, display_yres, 0), + DEFINE_PROP_BIT("x-vga", VFIOPCIDevice, features, + VFIO_FEATURE_ENABLE_VGA_BIT, false), + DEFINE_PROP_BIT("x-req", VFIOPCIDevice, features, + VFIO_FEATURE_ENABLE_REQ_BIT, true), + DEFINE_PROP_BIT("x-igd-opregion", VFIOPCIDevice, features, + VFIO_FEATURE_ENABLE_IGD_OPREGION_BIT, false), + DEFINE_PROP_BOOL("x-no-geforce-quirks", VFIOPCIDevice, + no_geforce_quirks, false), + DEFINE_PROP_UINT32("x-igd-gms", VFIOPCIDevice, igd_gms, 0), + DEFINE_PROP_UNSIGNED_NODEFAULT("x-nv-gpudirect-clique", VFIOPCIDevice, + nv_gpudirect_clique, + qdev_prop_nv_gpudirect_clique, uint8_t), + DEFINE_PROP_END_OF_LIST(), +}; + +static void vfio_pci_dev_class_init(ObjectClass *klass, void *data) +{ + DeviceClass *dc = DEVICE_CLASS(klass); + PCIDeviceClass *pdc = PCI_DEVICE_CLASS(klass); + + dc->reset = vfio_pci_reset; + device_class_set_props(dc, vfio_pci_dev_properties); + dc->desc = "VFIO-based PCI device assignment"; + pdc->realize = vfio_realize; +} + +static const TypeInfo vfio_pci_dev_info = { + .name = TYPE_VFIO_PCI, + .parent = TYPE_VFIO_PCI_BASE, + .instance_size = sizeof(VFIOKernelPCIDevice), + .class_init = vfio_pci_dev_class_init, + .instance_init = vfio_instance_init, + .instance_finalize = vfio_instance_finalize, +}; + static Property vfio_pci_dev_nohotplug_properties[] = { DEFINE_PROP_BOOL("ramfb", VFIOPCIDevice, enable_ramfb, false), DEFINE_PROP_END_OF_LIST(), @@ -3362,12 +3383,13 @@ static void vfio_pci_nohotplug_dev_class_init(ObjectClass *klass, void *data) static const TypeInfo vfio_pci_nohotplug_dev_info = { .name = TYPE_VFIO_PCI_NOHOTPLUG, .parent = TYPE_VFIO_PCI, - .instance_size = sizeof(VFIOPCIDevice), + .instance_size = sizeof(VFIOKernelPCIDevice), .class_init = vfio_pci_nohotplug_dev_class_init, }; static void register_vfio_pci_dev_type(void) { + type_register_static(&vfio_pci_base_dev_info); type_register_static(&vfio_pci_dev_info); type_register_static(&vfio_pci_nohotplug_dev_info); }