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[82.218.84.190]) by smtp.gmail.com with ESMTPSA id a640c23a62f3a-a9ee0e2f731sm523715566b.189.2024.11.10.13.55.29 (version=TLS1_3 cipher=TLS_CHACHA20_POLY1305_SHA256 bits=256/256); Sun, 10 Nov 2024 13:55:30 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=philjordan-eu.20230601.gappssmtp.com; s=20230601; t=1731275731; x=1731880531; 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=iq1KFJoA98p6DtvxRQlFJBWCGBS14sPc3dak5Jh39TQ=; b=nmCOovqbkpYWl0fi7lgsnGTySv5f1qWHsPoO47IDoqpDFy+9fPSnNWMcZFBhdamOPM FgvAuA8jqK32P+8TQhGs9JU4HBMm8hWuvqyYBR53dMQ31Dof9ChNmRwGKOUKNtMNeMZE 0wruBPmD4qHJ1ni28Fg8lfz9I7SghI9/sYDFPSzYnmQKpwZekEalls59vitnjZ6ZZPl5 VcJXGfPFEgTYq2t3762T+QUlGjS5BCNsIEfkJs8ilRuhe1CbNrB7PTYpp1cCVLEs7/qL W5q0uqwmDAmKBsgawDubPsIRLgdH42RqnQA3SMJFWe4rAueWINlNoWr39YGwMZ2exleZ uE8A== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1731275731; x=1731880531; 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=iq1KFJoA98p6DtvxRQlFJBWCGBS14sPc3dak5Jh39TQ=; b=SANFT0tp51dhE5LgVF+tC7HymwlPYeFmCq73GeIH6x2KOixbcHoSlYqSNu1HnSqBAg HcMJenpN74rpWfjDbmqOqfc5xUnRQ7zPsuLthZbHev9LkJiLktJXHpGE4YXK3JpMwskG 00p6zob0ghKuUQyEYSIfx59gV+Onewy/CsIyJLpbiTNCe/8+SqIXDT680bRJ6zW57bvf D8rDNi1aqxl/CLD3D5V7wlGy2Pba1SSByCZE3E34IbDKBOHPiFQPM3dQFBeaPG78u4rv udksaCsbXSlQUNVZ1nkqOonQuxtvcP7a6+EmPEg4nUZW8jh4kAjPhFKIwjhFxqtaQxGe /k8Q== X-Gm-Message-State: AOJu0YxJx64h+MMiHstouZLt4HbOkmbA6Hzdeq0uL93xOpHbQBaRhEws /JLBmDyNg7J0TTfD0zf5V2FNUSm059GIe5buZ/bW0DI/O6EgQrZmczAFEE8ZGJtN2PLI64SzXpg opA== X-Google-Smtp-Source: AGHT+IEIRfh/7PWjIr+kr4R63FkE6nDuIm+A9FOmAhLp7Bh/Q1IJhO7Mj71ivLcLa7k4rOgJLn1Vow== X-Received: by 2002:a17:907:1c11:b0:a9e:4b88:e02a with SMTP id a640c23a62f3a-a9eefcd1ad8mr1000988366b.0.1731275730928; Sun, 10 Nov 2024 13:55:30 -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 v9 03/16] hw/display/apple-gfx: Adds PCI implementation Date: Sun, 10 Nov 2024 22:55:06 +0100 Message-Id: <20241110215519.49150-4-phil@philjordan.eu> X-Mailer: git-send-email 2.39.3 (Apple Git-145) In-Reply-To: <20241110215519.49150-1-phil@philjordan.eu> References: <20241110215519.49150-1-phil@philjordan.eu> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" 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: 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+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @philjordan-eu.20230601.gappssmtp.com) X-ZM-MESSAGEID: 1731275842782116600 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. v9: * Fixup of changed common call. * Whitespace and comment formatting tweaks. hw/display/Kconfig | 4 + hw/display/apple-gfx-pci.m | 150 +++++++++++++++++++++++++++++++++++++ hw/display/meson.build | 1 + 3 files changed, 155 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 =20 +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..5a27b95ac79 --- /dev/null +++ b/hw/display/apple-gfx-pci.m @@ -0,0 +1,150 @@ +/* + * QEMU Apple ParavirtualizedGraphics.framework device, PCI variant + * + * Copyright =C2=A9 2023-2024 Phil Dennis-Jordan + * + * SPDX-License-Identifier: GPL-2.0-or-later + * + * ParavirtualizedGraphics.framework is a set of libraries that macOS prov= ides + * 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 devi= ce + * 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 =3D NULL; + +static void apple_gfx_init_option_rom_path(void) +{ + NSURL *option_rom_url =3D PGCopyOptionROMURL(); + const char *option_rom_path =3D option_rom_url.fileSystemRepresentatio= n; + apple_gfx_pci_option_rom_path =3D g_strdup(option_rom_path); + [option_rom_url release]; +} + +static void apple_gfx_pci_init(Object *obj) +{ + AppleGFXPCIState *s =3D 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 =3D PCI_DEVICE_CLASS(object_get_class(obj)); + apple_gfx_init_option_rom_path(); + pci->romfile =3D 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 =3D 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 =3D g_malloc0(sizeof(*job)); + job->device =3D dev; + job->vector =3D 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 =3D APPLE_GFX_PCI(dev); + int ret; + + pci_register_bar(dev, PG_PCI_BAR_MMIO, + PCI_BASE_ADDRESS_SPACE_MEMORY, &s->common.iomem_gfx); + + ret =3D msi_init(dev, 0x0 /* config offset; 0 =3D find space */, + PG_PCI_MAX_MSI_VECTORS, true /* msi64bit */, + false /* msi_per_vector_mask */, errp); + if (ret !=3D 0) { + return; + } + + @autoreleasepool { + PGDeviceDescriptor *desc =3D [PGDeviceDescriptor new]; + desc.raiseInterrupt =3D ^(uint32_t vector) { + apple_gfx_pci_interrupt(dev, vector); + }; + + apple_gfx_common_realize(&s->common, DEVICE(dev), desc, errp); + [desc release]; + desc =3D nil; + } +} + +static void apple_gfx_pci_reset(Object *obj, ResetType type) +{ + AppleGFXPCIState *s =3D APPLE_GFX_PCI(obj); + [s->common.pgdev reset]; +} + +static void apple_gfx_pci_class_init(ObjectClass *klass, void *data) +{ + DeviceClass *dc =3D DEVICE_CLASS(klass); + PCIDeviceClass *pci =3D PCI_DEVICE_CLASS(klass); + ResettableClass *rc =3D RESETTABLE_CLASS(klass); + + rc->phases.hold =3D apple_gfx_pci_reset; + dc->desc =3D "macOS Paravirtualized Graphics PCI Display Controller"; + dc->hotpluggable =3D false; + set_bit(DEVICE_CATEGORY_DISPLAY, dc->categories); + + pci->vendor_id =3D PG_PCI_VENDOR_ID; + pci->device_id =3D PG_PCI_DEVICE_ID; + pci->class_id =3D PCI_CLASS_DISPLAY_OTHER; + pci->realize =3D apple_gfx_pci_realize; + + // TODO: Property for setting mode list +} + +static TypeInfo apple_gfx_pci_types[] =3D { + { + .name =3D TYPE_APPLE_GFX_PCI, + .parent =3D TYPE_PCI_DEVICE, + .instance_size =3D sizeof(AppleGFXPCIState), + .class_init =3D apple_gfx_pci_class_init, + .instance_init =3D apple_gfx_pci_init, + .interfaces =3D (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: [f= iles('apple-gfx.m'), pv if cpu =3D=3D 'aarch64' system_ss.add(when: 'CONFIG_MAC_PVG_MMIO', if_true: [files('apple-gfx-m= mio.m'), pvg, metal]) endif +system_ss.add(when: 'CONFIG_MAC_PVG_PCI', if_true: [files('apple-gfx-p= ci.m'), pvg, metal]) =20 if config_all_devices.has_key('CONFIG_VIRTIO_GPU') virtio_gpu_ss =3D ss.source_set() --=20 2.39.3 (Apple Git-145)