From patchwork Tue Nov 5 15:30:14 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: 13863069 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 BB7F9D2C139 for ; Tue, 5 Nov 2024 15:34:00 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1t8LWJ-0005cw-SP; Tue, 05 Nov 2024 10:31:03 -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 1t8LWG-0005Zg-G0 for qemu-devel@nongnu.org; Tue, 05 Nov 2024 10:31:01 -0500 Received: from mail-lf1-x12d.google.com ([2a00:1450:4864:20::12d]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1t8LWD-00043Q-Uq for qemu-devel@nongnu.org; Tue, 05 Nov 2024 10:31:00 -0500 Received: by mail-lf1-x12d.google.com with SMTP id 2adb3069b0e04-539f72c8fc1so5547597e87.1 for ; Tue, 05 Nov 2024 07:30:57 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=philjordan-eu.20230601.gappssmtp.com; s=20230601; t=1730820656; x=1731425456; 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=HcuMAuxPQk2Q5bxoaPmhXT9ZvPq6wqNgneX3rODU6Dc=; b=mbLqEdECzxhM4RZZuhFFzpfp/36EkuHSiHGEugua3uyFV1CceeqQOlibapvzKHKF/H Kt6QWaeOdQxrhWxSnlKXpXfPaIc5tg0aeL9GQb70uhiqOceXGkrleOEunUObT4VTmen+ i7ylebrSSnQefBXRlCWofW/xgfN6EowFAAUQgwo4NtN5qeqZy7sW17WF/C8yEAAFXhOj timlkWE7ISivCQAuCR9k39MYZvv0rYudHVZnJGW1ea9uZpxLPH4r6ZUCau5GjQ0CfJDY R6XhmYXcuwn5dhPWbcfXNTEm0zCqgvH6j4P0bWOz0NGewB0ZhlftUbF4efeb9r6kz9uo PjOg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1730820656; x=1731425456; 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=HcuMAuxPQk2Q5bxoaPmhXT9ZvPq6wqNgneX3rODU6Dc=; b=KoeojZxWQP1e2TJlBbGmvNCpL9wa7jETD9xmy5/bor3A2wS+8TMT0d3PzkB6fU4upW rSSwINz20lJA6nMxqkTtFzWq+NOJ24Wd+qL++Q9U2fl9LfjqlSfzMss2d71E/9P5AN91 mo93y/UgzoW8AdrxQbTUQwLj5iJlmgUW39ClP0M5XsXZUmhcCZOte1EP8xUdEDHfQVzW DFQCmej1f5VPIBo4A/uDanWpRiS4gszEKXfU2D9ijMAE8FIC9tLRX6vhLJzAIF+JnoFf k0hV/0THZO7xWSMdgueSeWsBlY/zPON0HwVe3+qg8CxBXr4+IYWoaYeNW3zeB71iYjy1 6lnw== X-Gm-Message-State: AOJu0YyXLZS2y7/r607CwZO2x8TFHa3gaQlm1wZbUSuRZMMJQuRXEdFE Q2gac6vtkZaOGju8fpH2Nvib/dTXhmamDKIvGBb42qc9OpExc67JpMqB+D+P1kiYYO6N1lKxgPx mFw== X-Google-Smtp-Source: AGHT+IEjmEolNhrVTELaQZKIAM9LcdJoBwa+cYAw3b7/0vIotak8XF6U32bbjY+pLz3vzzVaHqDN9Q== X-Received: by 2002:a05:6512:308a:b0:539:8d67:1b1b with SMTP id 2adb3069b0e04-53b7ecf1ff6mr13196373e87.26.1730820656015; Tue, 05 Nov 2024 07:30:56 -0800 (PST) Received: from localhost.localdomain (h082218084190.host.wavenet.at. [82.218.84.190]) by smtp.gmail.com with ESMTPSA id 4fb4d7f45d1cf-5cee6aae3fcsm1419415a12.21.2024.11.05.07.30.53 (version=TLS1_3 cipher=TLS_CHACHA20_POLY1305_SHA256 bits=256/256); Tue, 05 Nov 2024 07:30:55 -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, Alexander Graf Subject: [PATCH v7 07/15] hw/misc/pvpanic: Add MMIO interface Date: Tue, 5 Nov 2024 16:30:14 +0100 Message-Id: <20241105153022.91101-8-phil@philjordan.eu> X-Mailer: git-send-email 2.39.3 (Apple Git-145) In-Reply-To: <20241105153022.91101-1-phil@philjordan.eu> References: <20241105153022.91101-1-phil@philjordan.eu> MIME-Version: 1.0 Received-SPF: neutral client-ip=2a00:1450:4864:20::12d; envelope-from=phil@philjordan.eu; helo=mail-lf1-x12d.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 From: Alexander Graf In addition to the ISA and PCI variants of pvpanic, let's add an MMIO platform device that we can use in embedded arm environments. Signed-off-by: Alexander Graf Reviewed-by: Philippe Mathieu-Daudé Tested-by: Philippe Mathieu-Daudé Signed-off-by: Phil Dennis-Jordan Reviewed-by: Akihiko Odaki --- v3: * Rebased on upstream, updated a header path hw/misc/Kconfig | 4 +++ hw/misc/meson.build | 1 + hw/misc/pvpanic-mmio.c | 61 +++++++++++++++++++++++++++++++++++++++ include/hw/misc/pvpanic.h | 1 + 4 files changed, 67 insertions(+) create mode 100644 hw/misc/pvpanic-mmio.c diff --git a/hw/misc/Kconfig b/hw/misc/Kconfig index 1f1baa5dde9..5a6c1603b60 100644 --- a/hw/misc/Kconfig +++ b/hw/misc/Kconfig @@ -145,6 +145,10 @@ config PVPANIC_ISA depends on ISA_BUS select PVPANIC_COMMON +config PVPANIC_MMIO + bool + select PVPANIC_COMMON + config AUX bool select I2C diff --git a/hw/misc/meson.build b/hw/misc/meson.build index d02d96e403b..4de4db0a600 100644 --- a/hw/misc/meson.build +++ b/hw/misc/meson.build @@ -122,6 +122,7 @@ system_ss.add(when: 'CONFIG_ARMSSE_MHU', if_true: files('armsse-mhu.c')) system_ss.add(when: 'CONFIG_PVPANIC_ISA', if_true: files('pvpanic-isa.c')) system_ss.add(when: 'CONFIG_PVPANIC_PCI', if_true: files('pvpanic-pci.c')) +system_ss.add(when: 'CONFIG_PVPANIC_MMIO', if_true: files('pvpanic-mmio.c')) system_ss.add(when: 'CONFIG_AUX', if_true: files('auxbus.c')) system_ss.add(when: 'CONFIG_ASPEED_SOC', if_true: files( 'aspeed_hace.c', diff --git a/hw/misc/pvpanic-mmio.c b/hw/misc/pvpanic-mmio.c new file mode 100644 index 00000000000..56738efee53 --- /dev/null +++ b/hw/misc/pvpanic-mmio.c @@ -0,0 +1,61 @@ +/* + * QEMU simulated pvpanic device (MMIO frontend) + * + * Copyright © 2023 Amazon.com, Inc. or its affiliates. All Rights Reserved. + * + * SPDX-License-Identifier: GPL-2.0-or-later + */ + +#include "qemu/osdep.h" + +#include "hw/qdev-properties.h" +#include "hw/misc/pvpanic.h" +#include "hw/sysbus.h" +#include "standard-headers/misc/pvpanic.h" + +OBJECT_DECLARE_SIMPLE_TYPE(PVPanicMMIOState, PVPANIC_MMIO_DEVICE) + +#define PVPANIC_MMIO_SIZE 0x2 + +struct PVPanicMMIOState { + SysBusDevice parent_obj; + + PVPanicState pvpanic; +}; + +static void pvpanic_mmio_initfn(Object *obj) +{ + PVPanicMMIOState *s = PVPANIC_MMIO_DEVICE(obj); + + pvpanic_setup_io(&s->pvpanic, DEVICE(s), PVPANIC_MMIO_SIZE); + sysbus_init_mmio(SYS_BUS_DEVICE(obj), &s->pvpanic.mr); +} + +static Property pvpanic_mmio_properties[] = { + DEFINE_PROP_UINT8("events", PVPanicMMIOState, pvpanic.events, + PVPANIC_PANICKED | PVPANIC_CRASH_LOADED), + DEFINE_PROP_END_OF_LIST(), +}; + +static void pvpanic_mmio_class_init(ObjectClass *klass, void *data) +{ + DeviceClass *dc = DEVICE_CLASS(klass); + + device_class_set_props(dc, pvpanic_mmio_properties); + set_bit(DEVICE_CATEGORY_MISC, dc->categories); +} + +static const TypeInfo pvpanic_mmio_info = { + .name = TYPE_PVPANIC_MMIO_DEVICE, + .parent = TYPE_SYS_BUS_DEVICE, + .instance_size = sizeof(PVPanicMMIOState), + .instance_init = pvpanic_mmio_initfn, + .class_init = pvpanic_mmio_class_init, +}; + +static void pvpanic_register_types(void) +{ + type_register_static(&pvpanic_mmio_info); +} + +type_init(pvpanic_register_types) diff --git a/include/hw/misc/pvpanic.h b/include/hw/misc/pvpanic.h index 9a71a5ad0d7..049a94c1125 100644 --- a/include/hw/misc/pvpanic.h +++ b/include/hw/misc/pvpanic.h @@ -26,6 +26,7 @@ #define TYPE_PVPANIC_ISA_DEVICE "pvpanic" #define TYPE_PVPANIC_PCI_DEVICE "pvpanic-pci" +#define TYPE_PVPANIC_MMIO_DEVICE "pvpanic-mmio" #define PVPANIC_IOPORT_PROP "ioport"