From patchwork Fri Nov 8 14:46:57 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Phil Dennis-Jordan X-Patchwork-Id: 13868318 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 AD6C2D5C0C8 for ; Fri, 8 Nov 2024 14:51:03 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1t9QGs-0004Ik-2a; Fri, 08 Nov 2024 09:47:34 -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 1t9QGj-0004Bh-8k for qemu-devel@nongnu.org; Fri, 08 Nov 2024 09:47:25 -0500 Received: from mail-ej1-x62a.google.com ([2a00:1450:4864:20::62a]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1t9QGg-0005G5-0h for qemu-devel@nongnu.org; Fri, 08 Nov 2024 09:47:25 -0500 Received: by mail-ej1-x62a.google.com with SMTP id a640c23a62f3a-a99e3b3a411so562282666b.0 for ; Fri, 08 Nov 2024 06:47:21 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=philjordan-eu.20230601.gappssmtp.com; s=20230601; t=1731077240; x=1731682040; darn=nongnu.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=+6VLcugSGEjuEKcewFLaKrp43pG3qxbRhauE21i8QJw=; b=pZusLvA8kqWeILZ2hRMlincd9oWVW6vE806i/VjnJYeDTgElqaH8nRjUjK6qXwWUkr zdwiq/7Ue6BoD0f5gGAWikvpoiw6zUevaGfBm8K8XTlWx75qAQs38OCSpVwsQsNYdv/e a5wWVXAAID3gRdJEgRGRSvU6bzqQrlu8o486+6ILmK8uo7MR1ofWvu3+0N9MRbHinhq1 WgeeJV+4aGashl4jdfh1SiJstFPTbSsiuOYN9oHnRfiFYAs41pA7GVJilEbjLkVbMwB+ Ci2rWx6V8mIk5Zb6rkNOsnipjopNaNAXIyi0kkF8vlNZxOv1RHKHVAb1LxB/n+LVAkUU Stig== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1731077240; x=1731682040; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=+6VLcugSGEjuEKcewFLaKrp43pG3qxbRhauE21i8QJw=; b=l6Iprhhsmbdyg0Tbiwg6kmQrr+CAI3wFmL5ivSVrThbNTGEALCiZMN54CsckdVDwAH ePB3Y6NJ+EGK3RR4KaGeebw1ygWZT8qzQ4168UrYzKBwGTBztV6fw3PGEdXFqJ15POqo abqxZi7wn9hULiXkmj5sSR4SHxT6T5AQkvI4bmjcBJFr04C8BxxX6cseMoM9+RVCMYT5 jqevJFK5HFyRlGf+12/geLJg7+et6MAjeMA4Jk66qXKmSqRd+7cvPaAYjD/oWhEyb9Os m8cB52dhDLFPGDbbYLKN8hsDqRTLoKzNNuATYqh/0z+wOrzOdmv5Z8PU+VlpycuDKi3D 7e5A== X-Gm-Message-State: AOJu0YxmfOwSb5k5t8z4dqYkzHtXeBtvPuehzTUKH5Hu9qbGPPsHQZXc 8AIwKZmtlGu5aZx286x9xiQ6hNOaCdQM8dPZXVZaUw4D2kuFUgA0tdD3ieEBOg88IT3MJEgIulL wbg== X-Google-Smtp-Source: AGHT+IE6SghVXWTapsb7LoBrZXPBe013NQPuCL72ktMYaMjpIFe9fQ1iNlOF3+OS2UkuwKHKrADlZw== X-Received: by 2002:a17:907:3ea1:b0:a9a:ca:4436 with SMTP id a640c23a62f3a-a9eec9bf48emr353597566b.13.1731077240319; Fri, 08 Nov 2024 06:47:20 -0800 (PST) Received: from localhost.localdomain (h082218084190.host.wavenet.at. [82.218.84.190]) by smtp.gmail.com with ESMTPSA id a640c23a62f3a-a9ee0a4a9b1sm240534066b.52.2024.11.08.06.47.18 (version=TLS1_3 cipher=TLS_CHACHA20_POLY1305_SHA256 bits=256/256); Fri, 08 Nov 2024 06:47:19 -0800 (PST) From: Phil Dennis-Jordan To: qemu-devel@nongnu.org Cc: agraf@csgraf.de, phil@philjordan.eu, peter.maydell@linaro.org, pbonzini@redhat.com, rad@semihalf.com, quic_llindhol@quicinc.com, stefanha@redhat.com, mst@redhat.com, slp@redhat.com, richard.henderson@linaro.org, eduardo@habkost.net, marcel.apfelbaum@gmail.com, gaosong@loongson.cn, jiaxun.yang@flygoat.com, chenhuacai@kernel.org, kwolf@redhat.com, hreitz@redhat.com, philmd@linaro.org, shorne@gmail.com, palmer@dabbelt.com, alistair.francis@wdc.com, bmeng.cn@gmail.com, liwei1518@gmail.com, dbarboza@ventanamicro.com, zhiwei_liu@linux.alibaba.com, jcmvbkbc@gmail.com, marcandre.lureau@redhat.com, berrange@redhat.com, akihiko.odaki@daynix.com, qemu-arm@nongnu.org, qemu-block@nongnu.org, qemu-riscv@nongnu.org Subject: [PATCH v8 03/15] hw/display/apple-gfx: Adds PCI implementation Date: Fri, 8 Nov 2024 15:46:57 +0100 Message-Id: <20241108144709.95498-4-phil@philjordan.eu> X-Mailer: git-send-email 2.39.3 (Apple Git-145) In-Reply-To: <20241108144709.95498-1-phil@philjordan.eu> References: <20241108144709.95498-1-phil@philjordan.eu> MIME-Version: 1.0 Received-SPF: neutral client-ip=2a00:1450:4864:20::62a; envelope-from=phil@philjordan.eu; helo=mail-ej1-x62a.google.com X-Spam_score_int: -10 X-Spam_score: -1.1 X-Spam_bar: - X-Spam_report: (-1.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_NEUTRAL=0.779 autolearn=no 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 This change wires up the PCI variant of the paravirtualised graphics device, mainly useful for x86-64 macOS guests, implemented by macOS's ParavirtualizedGraphics.framework. It builds on code shared with the vmapple/mmio variant of the PVG device. Signed-off-by: Phil Dennis-Jordan --- v4: * Threading improvements analogous to those in common apple-gfx code and mmio device variant. * Smaller code review issues addressed. v5: * Minor error handling improvement. v6: * Removed an unused function parameter. hw/display/Kconfig | 4 + hw/display/apple-gfx-pci.m | 148 +++++++++++++++++++++++++++++++++++++ hw/display/meson.build | 1 + 3 files changed, 153 insertions(+) create mode 100644 hw/display/apple-gfx-pci.m diff --git a/hw/display/Kconfig b/hw/display/Kconfig index 6a9b7b19ada..2b53dfd7d26 100644 --- a/hw/display/Kconfig +++ b/hw/display/Kconfig @@ -149,3 +149,7 @@ config MAC_PVG_MMIO bool depends on MAC_PVG && AARCH64 +config MAC_PVG_PCI + bool + depends on MAC_PVG && PCI + default y if PCI_DEVICES diff --git a/hw/display/apple-gfx-pci.m b/hw/display/apple-gfx-pci.m new file mode 100644 index 00000000000..8bd7c0df443 --- /dev/null +++ b/hw/display/apple-gfx-pci.m @@ -0,0 +1,148 @@ +/* + * QEMU Apple ParavirtualizedGraphics.framework device, PCI variant + * + * Copyright © 2023-2024 Phil Dennis-Jordan + * + * SPDX-License-Identifier: GPL-2.0-or-later + * + * ParavirtualizedGraphics.framework is a set of libraries that macOS provides + * which implements 3d graphics passthrough to the host as well as a + * proprietary guest communication channel to drive it. This device model + * implements support to drive that library from within QEMU as a PCI device + * aimed primarily at x86-64 macOS VMs. + */ + +#include "apple-gfx.h" +#include "hw/pci/pci_device.h" +#include "hw/pci/msi.h" +#include "qapi/error.h" +#include "trace.h" +#import + +OBJECT_DECLARE_SIMPLE_TYPE(AppleGFXPCIState, APPLE_GFX_PCI) + +struct AppleGFXPCIState { + PCIDevice parent_obj; + + AppleGFXState common; +}; + +static const char* apple_gfx_pci_option_rom_path = NULL; + +static void apple_gfx_init_option_rom_path(void) +{ + NSURL *option_rom_url = PGCopyOptionROMURL(); + const char *option_rom_path = option_rom_url.fileSystemRepresentation; + apple_gfx_pci_option_rom_path = g_strdup(option_rom_path); + [option_rom_url release]; +} + +static void apple_gfx_pci_init(Object *obj) +{ + AppleGFXPCIState *s = APPLE_GFX_PCI(obj); + + if (!apple_gfx_pci_option_rom_path) { + /* The following is done on device not class init to avoid running + * ObjC code before fork() in -daemonize mode. */ + PCIDeviceClass *pci = PCI_DEVICE_CLASS(object_get_class(obj)); + apple_gfx_init_option_rom_path(); + pci->romfile = apple_gfx_pci_option_rom_path; + } + + apple_gfx_common_init(obj, &s->common, TYPE_APPLE_GFX_PCI); +} + +typedef struct AppleGFXPCIInterruptJob { + PCIDevice *device; + uint32_t vector; +} AppleGFXPCIInterruptJob; + +static void apple_gfx_pci_raise_interrupt(void *opaque) +{ + AppleGFXPCIInterruptJob *job = opaque; + + if (msi_enabled(job->device)) { + msi_notify(job->device, job->vector); + } + g_free(job); +} + +static void apple_gfx_pci_interrupt(PCIDevice *dev, uint32_t vector) +{ + AppleGFXPCIInterruptJob *job; + + trace_apple_gfx_raise_irq(vector); + job = g_malloc0(sizeof(*job)); + job->device = dev; + job->vector = vector; + aio_bh_schedule_oneshot(qemu_get_aio_context(), + apple_gfx_pci_raise_interrupt, job); +} + +static void apple_gfx_pci_realize(PCIDevice *dev, Error **errp) +{ + AppleGFXPCIState *s = APPLE_GFX_PCI(dev); + int ret; + + pci_register_bar(dev, PG_PCI_BAR_MMIO, + PCI_BASE_ADDRESS_SPACE_MEMORY, &s->common.iomem_gfx); + + ret = msi_init(dev, 0x0 /* config offset; 0 = find space */, + PG_PCI_MAX_MSI_VECTORS, true /* msi64bit */, + false /*msi_per_vector_mask*/, errp); + if (ret != 0) { + return; + } + + @autoreleasepool { + PGDeviceDescriptor *desc = [PGDeviceDescriptor new]; + desc.raiseInterrupt = ^(uint32_t vector) { + apple_gfx_pci_interrupt(dev, vector); + }; + + apple_gfx_common_realize(&s->common, desc, errp); + [desc release]; + desc = nil; + } +} + +static void apple_gfx_pci_reset(Object *obj, ResetType type) +{ + AppleGFXPCIState *s = APPLE_GFX_PCI(obj); + [s->common.pgdev reset]; +} + +static void apple_gfx_pci_class_init(ObjectClass *klass, void *data) +{ + DeviceClass *dc = DEVICE_CLASS(klass); + PCIDeviceClass *pci = PCI_DEVICE_CLASS(klass); + ResettableClass *rc = RESETTABLE_CLASS(klass); + + rc->phases.hold = apple_gfx_pci_reset; + dc->desc = "macOS Paravirtualized Graphics PCI Display Controller"; + dc->hotpluggable = false; + set_bit(DEVICE_CATEGORY_DISPLAY, dc->categories); + + pci->vendor_id = PG_PCI_VENDOR_ID; + pci->device_id = PG_PCI_DEVICE_ID; + pci->class_id = PCI_CLASS_DISPLAY_OTHER; + pci->realize = apple_gfx_pci_realize; + + // TODO: Property for setting mode list +} + +static TypeInfo apple_gfx_pci_types[] = { + { + .name = TYPE_APPLE_GFX_PCI, + .parent = TYPE_PCI_DEVICE, + .instance_size = sizeof(AppleGFXPCIState), + .class_init = apple_gfx_pci_class_init, + .instance_init = apple_gfx_pci_init, + .interfaces = (InterfaceInfo[]) { + { INTERFACE_PCIE_DEVICE }, + { }, + }, + } +}; +DEFINE_TYPES(apple_gfx_pci_types) + diff --git a/hw/display/meson.build b/hw/display/meson.build index 619e642905a..78e1c41ea0a 100644 --- a/hw/display/meson.build +++ b/hw/display/meson.build @@ -65,6 +65,7 @@ system_ss.add(when: 'CONFIG_MAC_PVG', if_true: [files('apple-gfx.m'), pv if cpu == 'aarch64' system_ss.add(when: 'CONFIG_MAC_PVG_MMIO', if_true: [files('apple-gfx-mmio.m'), pvg, metal]) endif +system_ss.add(when: 'CONFIG_MAC_PVG_PCI', if_true: [files('apple-gfx-pci.m'), pvg, metal]) if config_all_devices.has_key('CONFIG_VIRTIO_GPU') virtio_gpu_ss = ss.source_set()