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 X-Spam-Level: X-Spam-Status: No, score=-16.6 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id ECBA1C433B4 for ; Tue, 4 May 2021 06:32:35 +0000 (UTC) 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 mail.kernel.org (Postfix) with ESMTPS id 5136C610A0 for ; Tue, 4 May 2021 06:32:35 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 5136C610A0 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=gibson.dropbear.id.au Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Received: from localhost ([::1]:57998 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1ldobi-0002KU-7w for qemu-devel@archiver.kernel.org; Tue, 04 May 2021 02:32:34 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:60648) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1ldo0S-0005yi-IB; Tue, 04 May 2021 01:54:04 -0400 Received: from ozlabs.org ([2401:3900:2:1::2]:34985) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1ldo0Q-0004pc-Gw; Tue, 04 May 2021 01:54:04 -0400 Received: by ozlabs.org (Postfix, from userid 1007) id 4FZ8CL0kzgz9sXh; Tue, 4 May 2021 15:53:18 +1000 (AEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=gibson.dropbear.id.au; s=201602; t=1620107598; bh=ZXngux+vg82chzEMmTJ7/137V6OF57z5Jfn89SAnKLs=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=fRTEn249Uo8eVm1TrNQPgpyRMa3xEWslkfZSIHfNZDEKSnJc26lCb9lb4Bo/5UzzZ aAcMGf8At6HfDg6Q98iBxrIX92tKUeLRWIfQJ4RIkca0VGx9EZbnfioU2bfCXyPjQ8 KxHSEPpWEydovpHGdKtX/xA7rzuBU/8J+Y0spZaY= From: David Gibson To: peter.maydell@linaro.org, groug@kaod.org Subject: [PULL 22/46] vt82c686: Introduce abstract TYPE_VIA_ISA and base vt82c686b_isa on it Date: Tue, 4 May 2021 15:52:48 +1000 Message-Id: <20210504055312.306823-23-david@gibson.dropbear.id.au> X-Mailer: git-send-email 2.31.1 In-Reply-To: <20210504055312.306823-1-david@gibson.dropbear.id.au> References: <20210504055312.306823-1-david@gibson.dropbear.id.au> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Received-SPF: pass client-ip=2401:3900:2:1::2; envelope-from=dgibson@ozlabs.org; helo=ozlabs.org X-Spam_score_int: -17 X-Spam_score: -1.8 X-Spam_bar: - X-Spam_report: (-1.8 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, HEADER_FROM_DIFFERENT_DOMAINS=0.25, SPF_HELO_PASS=-0.001, SPF_PASS=-0.001 autolearn=no autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= , qemu-ppc@nongnu.org, qemu-devel@nongnu.org, David Gibson Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" From: BALATON Zoltan To allow reusing ISA bridge emulation for vt8231_isa move the device state of vt82c686b_isa emulation in an abstract via_isa class. This change breaks migration back compatibility but this is not an issue for Fuloong2E machine which is not versioned or migration supported. Signed-off-by: BALATON Zoltan Reviewed-by: Philippe Mathieu-Daudé Message-Id: <0cb8fc69c7aaa555589181931b881335fecd2ef3.1616680239.git.balaton@eik.bme.hu> Signed-off-by: David Gibson --- hw/isa/vt82c686.c | 70 ++++++++++++++++++++++------------------ include/hw/pci/pci_ids.h | 2 +- 2 files changed, 40 insertions(+), 32 deletions(-) diff --git a/hw/isa/vt82c686.c b/hw/isa/vt82c686.c index 952c6fc867..b09bfe3fa2 100644 --- a/hw/isa/vt82c686.c +++ b/hw/isa/vt82c686.c @@ -534,24 +534,48 @@ static const TypeInfo vt8231_superio_info = { }; -OBJECT_DECLARE_SIMPLE_TYPE(VT82C686BISAState, VT82C686B_ISA) +#define TYPE_VIA_ISA "via-isa" +OBJECT_DECLARE_SIMPLE_TYPE(ViaISAState, VIA_ISA) -struct VT82C686BISAState { +struct ViaISAState { PCIDevice dev; qemu_irq cpu_intr; ViaSuperIOState *via_sio; }; +static const VMStateDescription vmstate_via = { + .name = "via-isa", + .version_id = 1, + .minimum_version_id = 1, + .fields = (VMStateField[]) { + VMSTATE_PCI_DEVICE(dev, ViaISAState), + VMSTATE_END_OF_LIST() + } +}; + +static const TypeInfo via_isa_info = { + .name = TYPE_VIA_ISA, + .parent = TYPE_PCI_DEVICE, + .instance_size = sizeof(ViaISAState), + .abstract = true, + .interfaces = (InterfaceInfo[]) { + { INTERFACE_CONVENTIONAL_PCI_DEVICE }, + { }, + }, +}; + static void via_isa_request_i8259_irq(void *opaque, int irq, int level) { - VT82C686BISAState *s = opaque; + ViaISAState *s = opaque; qemu_set_irq(s->cpu_intr, level); } +/* TYPE_VT82C686B_ISA */ + static void vt82c686b_write_config(PCIDevice *d, uint32_t addr, uint32_t val, int len) { - VT82C686BISAState *s = VT82C686B_ISA(d); + ViaISAState *s = VIA_ISA(d); trace_via_isa_write(addr, val, len); pci_default_write_config(d, addr, val, len); @@ -561,19 +585,9 @@ static void vt82c686b_write_config(PCIDevice *d, uint32_t addr, } } -static const VMStateDescription vmstate_via = { - .name = "vt82c686b", - .version_id = 1, - .minimum_version_id = 1, - .fields = (VMStateField[]) { - VMSTATE_PCI_DEVICE(dev, VT82C686BISAState), - VMSTATE_END_OF_LIST() - } -}; - static void vt82c686b_isa_reset(DeviceState *dev) { - VT82C686BISAState *s = VT82C686B_ISA(dev); + ViaISAState *s = VIA_ISA(dev); uint8_t *pci_conf = s->dev.config; pci_set_long(pci_conf + PCI_CAPABILITY_LIST, 0x000000c0); @@ -593,7 +607,7 @@ static void vt82c686b_isa_reset(DeviceState *dev) static void vt82c686b_realize(PCIDevice *d, Error **errp) { - VT82C686BISAState *s = VT82C686B_ISA(d); + ViaISAState *s = VIA_ISA(d); DeviceState *dev = DEVICE(d); ISABus *isa_bus; qemu_irq *isa_irq; @@ -617,7 +631,7 @@ static void vt82c686b_realize(PCIDevice *d, Error **errp) } } -static void via_class_init(ObjectClass *klass, void *data) +static void vt82c686b_class_init(ObjectClass *klass, void *data) { DeviceClass *dc = DEVICE_CLASS(klass); PCIDeviceClass *k = PCI_DEVICE_CLASS(klass); @@ -625,28 +639,21 @@ static void via_class_init(ObjectClass *klass, void *data) k->realize = vt82c686b_realize; k->config_write = vt82c686b_write_config; k->vendor_id = PCI_VENDOR_ID_VIA; - k->device_id = PCI_DEVICE_ID_VIA_ISA_BRIDGE; + k->device_id = PCI_DEVICE_ID_VIA_82C686B_ISA; k->class_id = PCI_CLASS_BRIDGE_ISA; k->revision = 0x40; dc->reset = vt82c686b_isa_reset; dc->desc = "ISA bridge"; dc->vmsd = &vmstate_via; - /* - * Reason: part of VIA VT82C686 southbridge, needs to be wired up, - * e.g. by mips_fuloong2e_init() - */ + /* Reason: part of VIA VT82C686 southbridge, needs to be wired up */ dc->user_creatable = false; } -static const TypeInfo via_info = { +static const TypeInfo vt82c686b_isa_info = { .name = TYPE_VT82C686B_ISA, - .parent = TYPE_PCI_DEVICE, - .instance_size = sizeof(VT82C686BISAState), - .class_init = via_class_init, - .interfaces = (InterfaceInfo[]) { - { INTERFACE_CONVENTIONAL_PCI_DEVICE }, - { }, - }, + .parent = TYPE_VIA_ISA, + .instance_size = sizeof(ViaISAState), + .class_init = vt82c686b_class_init, }; @@ -658,7 +665,8 @@ static void vt82c686b_register_types(void) type_register_static(&via_superio_info); type_register_static(&vt82c686b_superio_info); type_register_static(&vt8231_superio_info); - type_register_static(&via_info); + type_register_static(&via_isa_info); + type_register_static(&vt82c686b_isa_info); } type_init(vt82c686b_register_types) diff --git a/include/hw/pci/pci_ids.h b/include/hw/pci/pci_ids.h index ea28dcc850..aa3f67eaa4 100644 --- a/include/hw/pci/pci_ids.h +++ b/include/hw/pci/pci_ids.h @@ -204,7 +204,7 @@ #define PCI_VENDOR_ID_XILINX 0x10ee #define PCI_VENDOR_ID_VIA 0x1106 -#define PCI_DEVICE_ID_VIA_ISA_BRIDGE 0x0686 +#define PCI_DEVICE_ID_VIA_82C686B_ISA 0x0686 #define PCI_DEVICE_ID_VIA_IDE 0x0571 #define PCI_DEVICE_ID_VIA_UHCI 0x3038 #define PCI_DEVICE_ID_VIA_82C686B_PM 0x3057 -- 2.31.1