From patchwork Sun Mar 24 11:32:34 2013 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Peter Maydell X-Patchwork-Id: 230436 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Received: from lists.gnu.org (lists.gnu.org [208.118.235.17]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (Client did not present a certificate) by ozlabs.org (Postfix) with ESMTPS id A94E42C00C4 for ; Sun, 24 Mar 2013 22:44:52 +1100 (EST) Received: from localhost ([::1]:56099 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1UJjM2-0001Nu-Vl for incoming@patchwork.ozlabs.org; Sun, 24 Mar 2013 07:44:50 -0400 Received: from eggs.gnu.org ([208.118.235.92]:44660) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1UJjLl-0001Nd-Cp for qemu-devel@nongnu.org; Sun, 24 Mar 2013 07:44:36 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1UJjLi-0008Ls-Ry for qemu-devel@nongnu.org; Sun, 24 Mar 2013 07:44:33 -0400 Received: from 1.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.d.1.0.0.b.8.0.1.0.0.2.ip6.arpa ([2001:8b0:1d0::1]:33149 helo=mnementh.archaic.org.uk) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1UJjLi-0008Lm-Jv for qemu-devel@nongnu.org; Sun, 24 Mar 2013 07:44:30 -0400 Received: from pm215 by mnementh.archaic.org.uk with local (Exim 4.72) (envelope-from ) id 1UJjAG-0001W1-7k; Sun, 24 Mar 2013 11:32:40 +0000 From: Peter Maydell To: qemu-devel@nongnu.org Date: Sun, 24 Mar 2013 11:32:34 +0000 Message-Id: <1364124760-5794-5-git-send-email-peter.maydell@linaro.org> X-Mailer: git-send-email 1.7.2.5 In-Reply-To: <1364124760-5794-1-git-send-email-peter.maydell@linaro.org> References: <1364124760-5794-1-git-send-email-peter.maydell@linaro.org> X-detected-operating-system: by eggs.gnu.org: Error: Malformed IPv6 address (bad octet value). X-Received-From: 2001:8b0:1d0::1 Cc: Arnd Bergmann , "Michael S. Tsirkin" , patches@linaro.org, Will Deacon , Paul Brook , =?UTF-8?q?Andreas=20F=C3=A4rber?= Subject: [Qemu-devel] [PATCH 04/10] versatile_pci: Change to subclassing TYPE_PCI_HOST_BRIDGE X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Change versatile_pci to subclass TYPE_PCI_HOST_BRIDGE and generally handle PCI in a more QOM-like fashion. Signed-off-by: Peter Maydell --- hw/versatile_pci.c | 41 ++++++++++++++++++++++++++++++----------- 1 file changed, 30 insertions(+), 11 deletions(-) diff --git a/hw/versatile_pci.c b/hw/versatile_pci.c index 541f6b5..dfd3001 100644 --- a/hw/versatile_pci.c +++ b/hw/versatile_pci.c @@ -9,16 +9,22 @@ #include "hw/sysbus.h" #include "hw/pci/pci.h" +#include "hw/pci/pci_bus.h" #include "hw/pci/pci_host.h" #include "exec/address-spaces.h" typedef struct { - SysBusDevice busdev; + PCIHostState parent_obj; + qemu_irq irq[4]; - int realview; MemoryRegion mem_config; MemoryRegion mem_config2; MemoryRegion isa; + PCIBus pci_bus; + PCIDevice pci_dev; + + /* Constant for life of device: */ + int realview; } PCIVPBState; #define TYPE_VERSATILE_PCI "versatile_pci" @@ -66,20 +72,31 @@ static void pci_vpb_set_irq(void *opaque, int irq_num, int level) qemu_set_irq(pic[irq_num], level); } +static void pci_vpb_init(Object *obj) +{ + PCIHostState *h = PCI_HOST_BRIDGE(obj); + PCIVPBState *s = PCI_VPB(obj); + + pci_bus_new_inplace(&s->pci_bus, DEVICE(obj), "pci", + get_system_memory(), get_system_io(), + PCI_DEVFN(11, 0)); + h->bus = &s->pci_bus; + + object_initialize(&s->pci_dev, TYPE_VERSATILE_PCI_HOST); + qdev_set_parent_bus(DEVICE(&s->pci_dev), BUS(&s->pci_bus)); +} + static void pci_vpb_realize(DeviceState *dev, Error **errp) { PCIVPBState *s = PCI_VPB(dev); SysBusDevice *sbd = SYS_BUS_DEVICE(dev); - PCIBus *bus; int i; for (i = 0; i < 4; i++) { sysbus_init_irq(sbd, &s->irq[i]); } - bus = pci_register_bus(dev, "pci", - pci_vpb_set_irq, pci_vpb_map_irq, s->irq, - get_system_memory(), get_system_io(), - PCI_DEVFN(11, 0), 4); + + pci_bus_irqs(&s->pci_bus, pci_vpb_set_irq, pci_vpb_map_irq, s->irq, 4); /* ??? Register memory space. */ @@ -88,16 +105,17 @@ static void pci_vpb_realize(DeviceState *dev, Error **errp) * 1 : PCI config window * 2 : PCI IO window */ - memory_region_init_io(&s->mem_config, &pci_vpb_config_ops, bus, + memory_region_init_io(&s->mem_config, &pci_vpb_config_ops, &s->pci_bus, "pci-vpb-selfconfig", 0x1000000); sysbus_init_mmio(sbd, &s->mem_config); - memory_region_init_io(&s->mem_config2, &pci_vpb_config_ops, bus, + memory_region_init_io(&s->mem_config2, &pci_vpb_config_ops, &s->pci_bus, "pci-vpb-config", 0x1000000); sysbus_init_mmio(sbd, &s->mem_config2); isa_mmio_setup(&s->isa, 0x0100000); sysbus_init_mmio(sbd, &s->isa); - pci_create_simple(bus, -1, "versatile_pci_host"); + /* TODO Remove once realize propagates to child devices. */ + object_property_set_bool(OBJECT(&s->pci_dev), true, "realized", errp); } static int versatile_pci_host_init(PCIDevice *d) @@ -134,8 +152,9 @@ static void pci_vpb_class_init(ObjectClass *klass, void *data) static const TypeInfo pci_vpb_info = { .name = TYPE_VERSATILE_PCI, - .parent = TYPE_SYS_BUS_DEVICE, + .parent = TYPE_PCI_HOST_BRIDGE, .instance_size = sizeof(PCIVPBState), + .instance_init = pci_vpb_init, .class_init = pci_vpb_class_init, };