From 13b7fdeffa68e3382231a70308593ae6a75d96c3 Mon Sep 17 00:00:00 2001 From: Alexander Graf Date: Tue, 31 Aug 2010 00:22:28 +0200 Subject: [PATCH] PPC: Qdev'ify e500 pci The e500 PCI controller isn't qdev'ified yet. This leads to severe issues when running with -drive. To be able to use a virtio disk with an e500 VM, let's convert the PCI controller over to qdev. Signed-off-by: Alexander Graf --- hw/ppce500_pci.c | 106 ++++++++++++++++++++++++++++++++++++++----------------- 1 file changed, 73 insertions(+), 33 deletions(-) diff --git a/hw/ppce500_pci.c b/hw/ppce500_pci.c index 8ac99f2817..3fa42d2cdc 100644 --- a/hw/ppce500_pci.c +++ b/hw/ppce500_pci.c @@ -73,11 +73,11 @@ struct pci_inbound { }; struct PPCE500PCIState { + PCIHostState pci_state; struct pci_outbound pob[PPCE500_PCI_NR_POBS]; struct pci_inbound pib[PPCE500_PCI_NR_PIBS]; uint32_t gasket_time; - PCIHostState pci_state; - PCIDevice *pci_dev; + uint64_t base_addr; }; typedef struct PPCE500PCIState PPCE500PCIState; @@ -221,7 +221,7 @@ static void ppce500_pci_save(QEMUFile *f, void *opaque) PPCE500PCIState *controller = opaque; int i; - pci_device_save(controller->pci_dev, f); + /* pci_device_save(controller->pci_dev, f); */ for (i = 0; i < PPCE500_PCI_NR_POBS; i++) { qemu_put_be32s(f, &controller->pob[i].potar); @@ -247,7 +247,7 @@ static int ppce500_pci_load(QEMUFile *f, void *opaque, int version_id) if (version_id != 1) return -EINVAL; - pci_device_load(controller->pci_dev, f); + /* pci_device_load(controller->pci_dev, f); */ for (i = 0; i < PPCE500_PCI_NR_POBS; i++) { qemu_get_be32s(f, &controller->pob[i].potar); @@ -269,55 +269,95 @@ static int ppce500_pci_load(QEMUFile *f, void *opaque, int version_id) PCIBus *ppce500_pci_init(qemu_irq pci_irqs[4], target_phys_addr_t registers) { - PPCE500PCIState *controller; + DeviceState *dev; + PCIBus *b; + PCIHostState *h; + PPCE500PCIState *s; PCIDevice *d; - int index; static int ppce500_pci_id; - controller = qemu_mallocz(sizeof(PPCE500PCIState)); + dev = qdev_create(NULL, "e500-pcihost"); + h = FROM_SYSBUS(PCIHostState, sysbus_from_qdev(dev)); + s = DO_UPCAST(PPCE500PCIState, pci_state, h); + + qdev_prop_set_uint64(dev, "base_addr", registers); + b = pci_register_bus(&s->pci_state.busdev.qdev, NULL, mpc85xx_pci_set_irq, + mpc85xx_pci_map_irq, pci_irqs, PCI_DEVFN(0x11, 0), 4); + + s->pci_state.bus = b; + qdev_init_nofail(dev); + d = pci_create_simple(b, 0, "e500-host-bridge"); + + /* XXX load/save code not tested. */ + register_savevm(&d->qdev, "ppce500_pci", ppce500_pci_id++, + 1, ppce500_pci_save, ppce500_pci_load, s); - controller->pci_state.bus = pci_register_bus(NULL, "pci", - mpc85xx_pci_set_irq, - mpc85xx_pci_map_irq, - pci_irqs, PCI_DEVFN(0x11, 0), - 4); - d = pci_register_device(controller->pci_state.bus, - "host bridge", sizeof(PCIDevice), - 0, NULL, NULL); + return b; +} - pci_config_set_vendor_id(d->config, PCI_VENDOR_ID_FREESCALE); - pci_config_set_device_id(d->config, PCI_DEVICE_ID_MPC8533E); - pci_config_set_class(d->config, PCI_CLASS_PROCESSOR_POWERPC); +static int e500_pcihost_initfn(SysBusDevice *dev) +{ + PCIHostState *h; + PPCE500PCIState *s; + target_phys_addr_t registers; + int index; - controller->pci_dev = d; + h = FROM_SYSBUS(PCIHostState, sysbus_from_qdev(dev)); + s = DO_UPCAST(PPCE500PCIState, pci_state, h); + registers = (target_phys_addr_t)s->base_addr; /* CFGADDR */ - index = pci_host_conf_register_mmio(&controller->pci_state, 0); + index = pci_host_conf_register_mmio(&s->pci_state, 0); if (index < 0) - goto free; + return -1; cpu_register_physical_memory(registers + PCIE500_CFGADDR, 4, index); /* CFGDATA */ - index = pci_host_data_register_mmio(&controller->pci_state, 0); + index = pci_host_data_register_mmio(&s->pci_state, 0); if (index < 0) - goto free; + return -1; cpu_register_physical_memory(registers + PCIE500_CFGDATA, 4, index); index = cpu_register_io_memory(e500_pci_reg_read, - e500_pci_reg_write, controller); + e500_pci_reg_write, s); if (index < 0) - goto free; + return -1; cpu_register_physical_memory(registers + PCIE500_REG_BASE, PCIE500_REG_SIZE, index); + return 0; +} - /* XXX load/save code not tested. */ - register_savevm(&d->qdev, "ppce500_pci", ppce500_pci_id++, - 1, ppce500_pci_save, ppce500_pci_load, controller); +static int e500_host_bridge_initfn(PCIDevice *dev) +{ + pci_config_set_vendor_id(dev->config, PCI_VENDOR_ID_FREESCALE); + pci_config_set_device_id(dev->config, PCI_DEVICE_ID_MPC8533E); + pci_config_set_class(dev->config, PCI_CLASS_PROCESSOR_POWERPC); + + return 0; +} + +static PCIDeviceInfo e500_host_bridge_info = { + .qdev.name = "e500-host-bridge", + .qdev.desc = "Host bridge", + .qdev.size = sizeof(PCIDevice), + .qdev.no_user = 1, + .init = e500_host_bridge_initfn, +}; - return controller->pci_state.bus; +static SysBusDeviceInfo e500_pcihost_info = { + .init = e500_pcihost_initfn, + .qdev.name = "e500-pcihost", + .qdev.size = sizeof(PPCE500PCIState), + .qdev.no_user = 1, + .qdev.props = (Property[]) { + DEFINE_PROP_UINT64("base_addr", PPCE500PCIState, base_addr, 0), + DEFINE_PROP_END_OF_LIST(), + } +}; -free: - printf("%s error\n", __func__); - qemu_free(controller); - return NULL; +static void e500_pci_register(void) +{ + sysbus_register_withprop(&e500_pcihost_info); + pci_qdev_register(&e500_host_bridge_info); } +device_init(e500_pci_register); -- 2.11.4.GIT