From mboxrd@z Thu Jan 1 00:00:00 1970 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 lists1p.gnu.org (lists1p.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 63EB7C44506 for ; Sat, 11 Jul 2026 22:41:27 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists1p.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1wigNw-0005sn-OD; Sat, 11 Jul 2026 18:41:24 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists1p.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1wigNu-0005p9-7w; Sat, 11 Jul 2026 18:41:22 -0400 Received: from pdx-out-013.esa.us-west-2.outbound.mail-perimeter.amazon.com ([34.218.115.239]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1wigNr-0005sj-Nr; Sat, 11 Jul 2026 18:41:21 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=amazon.com; i=@amazon.com; q=dns/txt; s=amazoncorp2; t=1783809679; x=1815345679; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=WM1j05fIaWFt3IO+Q9HTPM9A3OHYUoVX37R/2BMVYho=; b=bZlkBGMhu1uGzAY6ir7Nqc2AToHFpWS5JtUNqZq9Ug+E/Hidqjq9fwRY RE4J0vHG2EqnBGcKnfzEvBf/LdO7JAWkawRmzuGYwYBVFae5t7fwiG2Vj QqIB59cFJGA3+OxXDYdN6BsoiFBJUXUNF7ftV0gs5we5+fjCC1m8+PTdm jMF9AHScElDI2YWt520HXvYjjj68nRSWZc7lmB3N5VKK1CeagJUPcKoVW X9PvooSHVXK/7SmfhNshyu4dhblofVbRY+0fAc0ULB3PmN92lNMRqFDL1 XG5E11ZDK8tEAh0VPQ83uqfsHLWSNYxcJy3pb/nr3lD3D6HhNInK8IVHG w==; X-CSE-ConnectionGUID: jsT+DxrsTgC9vbugxkXjzA== X-CSE-MsgGUID: fWKLAXSBRq6JoNaosp0bsw== X-IronPort-AV: E=Sophos;i="6.25,154,1779148800"; d="scan'208";a="23296577" Received: from ip-10-5-0-115.us-west-2.compute.internal (HELO smtpout.naws.us-west-2.prod.farcaster.email.amazon.dev) ([10.5.0.115]) by internal-pdx-out-013.esa.us-west-2.outbound.mail-perimeter.amazon.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 11 Jul 2026 22:41:16 +0000 Received: from EX19MTAUWC001.ant.amazon.com [205.251.233.53:25429] by smtpin.naws.us-west-2.prod.farcaster.email.amazon.dev [10.0.35.214:2525] with esmtp (Farcaster) id 962a8927-0119-4610-9b8c-881f727643a5; Sat, 11 Jul 2026 22:41:15 +0000 (UTC) X-Farcaster-Flow-ID: 962a8927-0119-4610-9b8c-881f727643a5 Received: from EX19D001UWA001.ant.amazon.com (10.13.138.214) by EX19MTAUWC001.ant.amazon.com (10.250.64.174) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA) id 15.2.2562.43; Sat, 11 Jul 2026 22:41:15 +0000 Received: from ip-10-253-83-51.amazon.com (172.19.99.218) by EX19D001UWA001.ant.amazon.com (10.13.138.214) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA) id 15.2.2562.43; Sat, 11 Jul 2026 22:41:06 +0000 From: Alexander Graf To: CC: , , , , Song Gao <17746591750@163.com>, Aditya Gupta , Alexey Kardashevskiy , Farhan Ali , Alistair Francis , "Alistair Francis" , Antony Pavlov , Markus Armbruster , Artyom Tarasenko , BALATON Zoltan , Felipe Balbi , Christian Borntraeger , "Brian Cain" , Hendrik Brueckner , Chao Liu , "Huacai Chen" , =?UTF-8?q?Cl=C3=A9ment=20Chigot?= , =?UTF-8?q?C=C3=A9dric=20Le=20Goater?= , Helge Deller , Dorjoy Chowdhury , "Edgar E . Iglesias" , Alexandre Iooss , Eric Farman , Francisco Iglesias , Gaurav Sharma , "Gautam Gala" , Harsh Prateek Bora , =?UTF-8?q?Herv=C3=A9=20Poussineau?= , Jan Kiszka , Max Filippov , Joel Stanley , Jared Rossi , Tyrone Ting , Frederic Konrad , "Laurent Vivier" , Manos Pitsidianakis , Bibo Mao , "Mark Cave-Ayland" , Glenn Miles , Matthew Rosato , "Michael Rolnik" , "Michael S . Tsirkin" , "Niek Linnenbank" , Nicholas Piggin , Palmer Dabbelt , Halil Pasic , "Paolo Bonzini" , Peter Maydell , =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= , "Pierrick Bouvier" , Richard Henderson , Sai Pavan Boddu , Samuel Tardieu , Bernhard Beschow , Stafford Horne , Sergio Lopez , "Subbaraya Sundeep" , Thomas Huth , "Ran Wang" , Hao Wu , =?UTF-8?q?Daniel=20P=20=2E=20Berrang=C3=A9?= Subject: [RFC PATCH 015/134] hw/vmapple: Give onboard devices a QOM parent Date: Sat, 11 Jul 2026 22:35:08 +0000 Message-ID: <20260711223707.42139-16-graf@amazon.com> X-Mailer: git-send-email 2.47.1 In-Reply-To: <20260711223707.42139-1-graf@amazon.com> References: <20260711223707.42139-1-graf@amazon.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain X-Originating-IP: [172.19.99.218] X-ClientProxiedBy: EX19D045UWA002.ant.amazon.com (10.13.139.12) To EX19D001UWA001.ant.amazon.com (10.13.138.214) Received-SPF: pass client-ip=34.218.115.239; envelope-from=prvs=645f258d4=graf@amazon.de; helo=pdx-out-013.esa.us-west-2.outbound.mail-perimeter.amazon.com X-Spam_score_int: -28 X-Spam_score: -2.9 X-Spam_bar: -- X-Spam_report: (-2.9 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.445, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, HEADER_FROM_DIFFERENT_DOMAINS=0.249, RCVD_IN_DNSWL_LOW=-0.7, SPF_HELO_NONE=0.001, T_SPF_PERMERROR=0.01, UNPARSEABLE_RELAY=0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-arm@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-arm-bounces+qemu-arm=archiver.kernel.org@nongnu.org Sender: qemu-arm-bounces+qemu-arm=archiver.kernel.org@nongnu.org Convert the *_orphan() device-creation calls in hw/vmapple to the new parented API introduced earlier in this series, so every onboard device gets a stable path in the composition tree instead of landing in /machine/unattached with an unstable device[N] name. The parent for each device is the object that owns its lifetime: the machine for board-created devices, the containing device for composite children. Names follow existing QOM conventions. Per-site rationale (reviewers: dispute the modeling here): hw/vmapple/vmapple.c:158 | OBJECT(vms) | "bdif" | board-init helper receives VMAppleMachineState *vms; single instance hw/vmapple/vmapple.c:172 | OBJECT(vms) | "pvpanic" | board-init helper receives vms; single instance hw/vmapple/vmapple.c:187 | OBJECT(vms) | "cfg" | board-init helper receives vms; single instance hw/vmapple/vmapple.c:212 | OBJECT(vms) | "gfx" | board-init helper receives vms; single instance hw/vmapple/vmapple.c:225 | OBJECT(vms) | "aes" | board-init helper receives vms; single instance hw/vmapple/vmapple.c:246 | OBJECT(vms) | "gic" | board-init helper receives vms; single instance hw/vmapple/vmapple.c:293 | OBJECT(vms) | "uart" | board-init helper receives vms (const dropped); single instance hw/vmapple/vmapple.c:308 | OBJECT(vms) | "rtc" | board-init helper receives vms (const dropped); single instance hw/vmapple/vmapple.c:326 | OBJECT(vms) | "gpio" | board-init helper receives vms (const dropped); single instance hw/vmapple/vmapple.c:334 | OBJECT(vms) | "gpio-key" | board-init helper receives vms; single instance hw/vmapple/vmapple.c:387 | OBJECT(vms) | "pcie" | board-init helper receives vms; single GPEX host hw/vmapple/vmapple.c:423 | OBJECT(vms) | "xhci" | board-init helper receives vms; single XHCI controller hw/vmapple/vmapple.c:428 | OBJECT(usb_controller) | "usb-kbd" | lifetime owned by the XHCI controller it plugs into hw/vmapple/vmapple.c:429 | OBJECT(usb_controller) | "usb-tablet" | lifetime owned by the XHCI controller it plugs into Link: https://lore.kernel.org/qemu-devel/87jyr3w9tc.fsf@pond.sub.org/ Assisted-by: Kiro Signed-off-by: Alexander Graf --- hw/vmapple/vmapple.c | 59 +++++++++++++++++++++++--------------------- 1 file changed, 31 insertions(+), 28 deletions(-) diff --git a/hw/vmapple/vmapple.c b/hw/vmapple/vmapple.c index 4d218748c2..60c7dab89b 100644 --- a/hw/vmapple/vmapple.c +++ b/hw/vmapple/vmapple.c @@ -155,25 +155,25 @@ static void create_bdif(VMAppleMachineState *vms, MemoryRegion *mem) } /* PV backdoor device */ - bdif = qdev_new_orphan(TYPE_VMAPPLE_BDIF); + bdif = qdev_new(OBJECT(vms), "bdif", TYPE_VMAPPLE_BDIF); bdif_sb = SYS_BUS_DEVICE(bdif); sysbus_mmio_map(bdif_sb, 0, vms->memmap[VMAPPLE_BDOOR].base); qdev_prop_set_drive(DEVICE(bdif), "aux", blk_by_legacy_dinfo(di_aux)); qdev_prop_set_drive(DEVICE(bdif), "root", blk_by_legacy_dinfo(di_root)); - sysbus_realize_and_unref(bdif_sb, &error_fatal); + sysbus_realize(bdif_sb, &error_fatal); } static void create_pvpanic(VMAppleMachineState *vms, MemoryRegion *mem) { SysBusDevice *pvpanic; - vms->pvpanic = qdev_new_orphan(TYPE_PVPANIC_MMIO_DEVICE); + vms->pvpanic = qdev_new(OBJECT(vms), "pvpanic", TYPE_PVPANIC_MMIO_DEVICE); pvpanic = SYS_BUS_DEVICE(vms->pvpanic); sysbus_mmio_map(pvpanic, 0, vms->memmap[VMAPPLE_PVPANIC].base); - sysbus_realize_and_unref(pvpanic, &error_fatal); + sysbus_realize(pvpanic, &error_fatal); } static bool create_cfg(VMAppleMachineState *vms, MemoryRegion *mem, @@ -184,7 +184,7 @@ static bool create_cfg(VMAppleMachineState *vms, MemoryRegion *mem, MachineState *machine = MACHINE(vms); uint32_t rnd = 1; - vms->cfg = qdev_new_orphan(TYPE_VMAPPLE_CFG); + vms->cfg = qdev_new(OBJECT(vms), "cfg", TYPE_VMAPPLE_CFG); cfg = SYS_BUS_DEVICE(vms->cfg); sysbus_mmio_map(cfg, 0, vms->memmap[VMAPPLE_CONFIG].base); @@ -195,7 +195,7 @@ static bool create_cfg(VMAppleMachineState *vms, MemoryRegion *mem, qdev_prop_set_uint64(vms->cfg, "ram-size", machine->ram_size); qdev_prop_set_uint32(vms->cfg, "rnd", rnd); - if (!sysbus_realize_and_unref(cfg, errp)) { + if (!sysbus_realize(cfg, errp)) { error_prepend(errp, "Error creating vmapple cfg device: "); return false; } @@ -209,12 +209,12 @@ static void create_gfx(VMAppleMachineState *vms, MemoryRegion *mem) int irq_iosfc = vms->irqmap[VMAPPLE_APV_IOSFC]; SysBusDevice *gfx; - gfx = SYS_BUS_DEVICE(qdev_new_orphan("apple-gfx-mmio")); + gfx = SYS_BUS_DEVICE(qdev_new(OBJECT(vms), "gfx", "apple-gfx-mmio")); sysbus_mmio_map(gfx, 0, vms->memmap[VMAPPLE_APV_GFX].base); sysbus_mmio_map(gfx, 1, vms->memmap[VMAPPLE_APV_IOSFC].base); sysbus_connect_irq(gfx, 0, qdev_get_gpio_in(vms->gic, irq_gfx)); sysbus_connect_irq(gfx, 1, qdev_get_gpio_in(vms->gic, irq_iosfc)); - sysbus_realize_and_unref(gfx, &error_fatal); + sysbus_realize(gfx, &error_fatal); } static void create_aes(VMAppleMachineState *vms, MemoryRegion *mem) @@ -222,11 +222,11 @@ static void create_aes(VMAppleMachineState *vms, MemoryRegion *mem) int irq = vms->irqmap[VMAPPLE_AES_1]; SysBusDevice *aes; - aes = SYS_BUS_DEVICE(qdev_new_orphan(TYPE_APPLE_AES)); + aes = SYS_BUS_DEVICE(qdev_new(OBJECT(vms), "aes", TYPE_APPLE_AES)); sysbus_mmio_map(aes, 0, vms->memmap[VMAPPLE_AES_1].base); sysbus_mmio_map(aes, 1, vms->memmap[VMAPPLE_AES_2].base); sysbus_connect_irq(aes, 0, qdev_get_gpio_in(vms->gic, irq)); - sysbus_realize_and_unref(aes, &error_fatal); + sysbus_realize(aes, &error_fatal); } static int arm_gic_ppi_index(int cpu_nr, int ppi_index) @@ -243,7 +243,7 @@ static void create_gic(VMAppleMachineState *vms, MemoryRegion *mem) int i; unsigned int smp_cpus = ms->smp.cpus; - vms->gic = qdev_new_orphan(gicv3_class_name()); + vms->gic = qdev_new(OBJECT(vms), "gic", gicv3_class_name()); qdev_prop_set_uint32(vms->gic, "revision", 3); qdev_prop_set_uint32(vms->gic, "num-cpu", smp_cpus); /* @@ -261,7 +261,7 @@ static void create_gic(VMAppleMachineState *vms, MemoryRegion *mem) qdev_prop_set_array(vms->gic, "redist-region-count", redist_region_count); gicbusdev = SYS_BUS_DEVICE(vms->gic); - sysbus_realize_and_unref(gicbusdev, &error_fatal); + sysbus_realize(gicbusdev, &error_fatal); sysbus_mmio_map(gicbusdev, 0, vms->memmap[VMAPPLE_GIC_DIST].base); sysbus_mmio_map(gicbusdev, 1, vms->memmap[VMAPPLE_GIC_REDIST].base); @@ -285,27 +285,28 @@ static void create_gic(VMAppleMachineState *vms, MemoryRegion *mem) } } -static void create_uart(const VMAppleMachineState *vms, int uart, +static void create_uart(VMAppleMachineState *vms, int uart, MemoryRegion *mem, Chardev *chr) { hwaddr base = vms->memmap[uart].base; int irq = vms->irqmap[uart]; - DeviceState *dev = qdev_new_orphan(TYPE_PL011); + DeviceState *dev = qdev_new(OBJECT(vms), "uart", TYPE_PL011); SysBusDevice *s = SYS_BUS_DEVICE(dev); qdev_prop_set_chr(dev, "chardev", chr); - sysbus_realize_and_unref(SYS_BUS_DEVICE(dev), &error_fatal); + sysbus_realize(SYS_BUS_DEVICE(dev), &error_fatal); memory_region_add_subregion(mem, base, sysbus_mmio_get_region(s, 0)); sysbus_connect_irq(s, 0, qdev_get_gpio_in(vms->gic, irq)); } -static void create_rtc(const VMAppleMachineState *vms) +static void create_rtc(VMAppleMachineState *vms) { hwaddr base = vms->memmap[VMAPPLE_RTC].base; int irq = vms->irqmap[VMAPPLE_RTC]; - sysbus_create_simple_orphan("pl031", base, qdev_get_gpio_in(vms->gic, irq)); + sysbus_create_simple(OBJECT(vms), "rtc", "pl031", base, + qdev_get_gpio_in(vms->gic, irq)); } static DeviceState *gpio_key_dev; @@ -315,7 +316,7 @@ static void vmapple_powerdown_req(Notifier *n, void *opaque) qemu_set_irq(qdev_get_gpio_in(gpio_key_dev, 0), 1); } -static void create_gpio_devices(const VMAppleMachineState *vms, int gpio, +static void create_gpio_devices(VMAppleMachineState *vms, int gpio, MemoryRegion *mem) { DeviceState *pl061_dev; @@ -323,16 +324,16 @@ static void create_gpio_devices(const VMAppleMachineState *vms, int gpio, int irq = vms->irqmap[gpio]; SysBusDevice *s; - pl061_dev = qdev_new_orphan("pl061"); + pl061_dev = qdev_new(OBJECT(vms), "gpio", "pl061"); /* Pull lines down to 0 if not driven by the PL061 */ qdev_prop_set_uint8(pl061_dev, "pullups", 0); qdev_prop_set_uint8(pl061_dev, "pulldowns", 0xff); s = SYS_BUS_DEVICE(pl061_dev); - sysbus_realize_and_unref(s, &error_fatal); + sysbus_realize(s, &error_fatal); memory_region_add_subregion(mem, base, sysbus_mmio_get_region(s, 0)); sysbus_connect_irq(s, 0, qdev_get_gpio_in(vms->gic, irq)); - gpio_key_dev = sysbus_create_simple_orphan("gpio-key", -1, - qdev_get_gpio_in(pl061_dev, 3)); + gpio_key_dev = sysbus_create_simple(OBJECT(vms), "gpio-key", "gpio-key", + -1, qdev_get_gpio_in(pl061_dev, 3)); } static void vmapple_firmware_init(VMAppleMachineState *vms, @@ -384,9 +385,9 @@ static void create_pcie(VMAppleMachineState *vms) DeviceState *usb_controller; USBBus *usb_bus; - dev = qdev_new_orphan(TYPE_GPEX_HOST); + dev = qdev_new(OBJECT(vms), "pcie", TYPE_GPEX_HOST); qdev_prop_set_uint32(dev, "num-irqs", GPEX_NUM_IRQS); - sysbus_realize_and_unref(SYS_BUS_DEVICE(dev), &error_fatal); + sysbus_realize(SYS_BUS_DEVICE(dev), &error_fatal); /* Map only the first size_ecam bytes of ECAM space */ ecam_reg = sysbus_mmio_get_region(SYS_BUS_DEVICE(dev), 0); @@ -420,13 +421,15 @@ static void create_pcie(VMAppleMachineState *vms) } if (defaults_enabled()) { - usb_controller = qdev_new_orphan(TYPE_QEMU_XHCI); - qdev_realize_and_unref(usb_controller, BUS(pci->bus), &error_fatal); + usb_controller = qdev_new(OBJECT(vms), "xhci", TYPE_QEMU_XHCI); + qdev_realize(usb_controller, BUS(pci->bus), &error_fatal); usb_bus = USB_BUS(object_resolve_type_unambiguous(TYPE_USB_BUS, &error_fatal)); - usb_create_simple_orphan(usb_bus, "usb-kbd"); - usb_create_simple_orphan(usb_bus, "usb-tablet"); + usb_create_simple(OBJECT(usb_controller), "usb-kbd", usb_bus, + "usb-kbd"); + usb_create_simple(OBJECT(usb_controller), "usb-tablet", usb_bus, + "usb-tablet"); } } -- 2.47.1