diff options
| -rw-r--r-- | hw/spapr_pci.c | 166 | ||||
| -rw-r--r-- | hw/spapr_pci.h | 4 |
2 files changed, 94 insertions, 76 deletions
diff --git a/hw/spapr_pci.c b/hw/spapr_pci.c index 233250fac..e7ef551c1 100644 --- a/hw/spapr_pci.c +++ b/hw/spapr_pci.c @@ -180,49 +180,6 @@ static void pci_spapr_set_irq(void *opaque, int irq_num, int level) qemu_set_irq(phb->lsi_table[irq_num].qirq, level); } -static int spapr_phb_init(SysBusDevice *s) -{ - sPAPRPHBState *phb = FROM_SYSBUS(sPAPRPHBState, s); - int i; - - /* Initialize the LSI table */ - for (i = 0; i < SPAPR_PCI_NUM_LSI; i++) { - qemu_irq qirq; - uint32_t num; - - qirq = spapr_allocate_lsi(0, &num); - if (!qirq) { - return -1; - } - - phb->lsi_table[i].dt_irq = num; - phb->lsi_table[i].qirq = qirq; - } - - return 0; -} - -static void spapr_phb_class_init(ObjectClass *klass, void *data) -{ - SysBusDeviceClass *sdc = SYS_BUS_DEVICE_CLASS(klass); - - sdc->init = spapr_phb_init; -} - -static TypeInfo spapr_phb_info = { - .name = "spapr-pci-host-bridge", - .parent = TYPE_SYS_BUS_DEVICE, - .instance_size = sizeof(sPAPRPHBState), - .class_init = spapr_phb_class_init, -}; - -static void spapr_register_types(void) -{ - type_register_static(&spapr_phb_info); -} - -type_init(spapr_register_types) - static uint64_t spapr_io_read(void *opaque, target_phys_addr_t addr, unsigned size) { @@ -260,35 +217,29 @@ static const MemoryRegionOps spapr_io_ops = { .write = spapr_io_write }; -void spapr_create_phb(sPAPREnvironment *spapr, - const char *busname, uint64_t buid, - uint64_t mem_win_addr, uint64_t mem_win_size, - uint64_t io_win_addr) +/* + * PHB PCI device + */ +static int spapr_phb_init(SysBusDevice *s) { - DeviceState *dev; - SysBusDevice *s; - sPAPRPHBState *phb; + sPAPRPHBState *phb = FROM_SYSBUS(sPAPRPHBState, s); + char *namebuf; + int i; PCIBus *bus; - char namebuf[strlen(busname)+11]; - dev = qdev_create(NULL, "spapr-pci-host-bridge"); - qdev_init_nofail(dev); - s = sysbus_from_qdev(dev); - phb = FROM_SYSBUS(sPAPRPHBState, s); + phb->dtbusname = g_strdup_printf("pci@%" PRIx64, phb->buid); + namebuf = alloca(strlen(phb->dtbusname) + 32); - phb->mem_win_addr = mem_win_addr; - - sprintf(namebuf, "%s-mem", busname); + /* Initialize memory regions */ + sprintf(namebuf, "%s.mmio", phb->dtbusname); memory_region_init(&phb->memspace, namebuf, INT64_MAX); - sprintf(namebuf, "%s-memwindow", busname); + sprintf(namebuf, "%s.mmio-alias", phb->dtbusname); memory_region_init_alias(&phb->memwindow, namebuf, &phb->memspace, - SPAPR_PCI_MEM_WIN_BUS_OFFSET, mem_win_size); - memory_region_add_subregion(get_system_memory(), mem_win_addr, + SPAPR_PCI_MEM_WIN_BUS_OFFSET, phb->mem_win_size); + memory_region_add_subregion(get_system_memory(), phb->mem_win_addr, &phb->memwindow); - phb->io_win_addr = io_win_addr; - /* On ppc, we only have MMIO no specific IO space from the CPU * perspective. In theory we ought to be able to embed the PCI IO * memory region direction in the system memory space. However, @@ -297,33 +248,92 @@ void spapr_create_phb(sPAPREnvironment *spapr, * system io address space. This hack to bounce things via * system_io works around the problem until all the users of * old_portion are updated */ - sprintf(namebuf, "%s-io", busname); + sprintf(namebuf, "%s.io", phb->dtbusname); memory_region_init(&phb->iospace, namebuf, SPAPR_PCI_IO_WIN_SIZE); /* FIXME: fix to support multiple PHBs */ memory_region_add_subregion(get_system_io(), 0, &phb->iospace); - sprintf(namebuf, "%s-iowindow", busname); + sprintf(namebuf, "%s.io-alias", phb->dtbusname); memory_region_init_io(&phb->iowindow, &spapr_io_ops, phb, namebuf, SPAPR_PCI_IO_WIN_SIZE); - memory_region_add_subregion(get_system_memory(), io_win_addr, + memory_region_add_subregion(get_system_memory(), phb->io_win_addr, &phb->iowindow); - phb->host_state.bus = bus = pci_register_bus(&phb->busdev.qdev, busname, - pci_spapr_set_irq, - pci_spapr_map_irq, - phb, - &phb->memspace, &phb->iospace, - PCI_DEVFN(0, 0), - SPAPR_PCI_NUM_LSI); + bus = pci_register_bus(&phb->busdev.qdev, + phb->busname ? phb->busname : phb->dtbusname, + pci_spapr_set_irq, pci_spapr_map_irq, phb, + &phb->memspace, &phb->iospace, + PCI_DEVFN(0, 0), SPAPR_PCI_NUM_LSI); + phb->host_state.bus = bus; + + QLIST_INSERT_HEAD(&spapr->phbs, phb, list); + + /* Initialize the LSI table */ + for (i = 0; i < SPAPR_PCI_NUM_LSI; i++) { + qemu_irq qirq; + uint32_t num; + + qirq = spapr_allocate_lsi(0, &num); + if (!qirq) { + return -1; + } + + phb->lsi_table[i].dt_irq = num; + phb->lsi_table[i].qirq = qirq; + } + + return 0; +} + +static Property spapr_phb_properties[] = { + DEFINE_PROP_HEX64("buid", sPAPRPHBState, buid, 0), + DEFINE_PROP_STRING("busname", sPAPRPHBState, busname), + DEFINE_PROP_HEX64("mem_win_addr", sPAPRPHBState, mem_win_addr, 0), + DEFINE_PROP_HEX64("mem_win_size", sPAPRPHBState, mem_win_size, 0x20000000), + DEFINE_PROP_HEX64("io_win_addr", sPAPRPHBState, io_win_addr, 0), + DEFINE_PROP_HEX64("io_win_size", sPAPRPHBState, io_win_size, 0x10000), + DEFINE_PROP_END_OF_LIST(), +}; + +static void spapr_phb_class_init(ObjectClass *klass, void *data) +{ + SysBusDeviceClass *sdc = SYS_BUS_DEVICE_CLASS(klass); + DeviceClass *dc = DEVICE_CLASS(klass); + + sdc->init = spapr_phb_init; + dc->props = spapr_phb_properties; spapr_rtas_register("read-pci-config", rtas_read_pci_config); spapr_rtas_register("write-pci-config", rtas_write_pci_config); spapr_rtas_register("ibm,read-pci-config", rtas_ibm_read_pci_config); spapr_rtas_register("ibm,write-pci-config", rtas_ibm_write_pci_config); +} - QLIST_INSERT_HEAD(&spapr->phbs, phb, list); +static TypeInfo spapr_phb_info = { + .name = "spapr-pci-host-bridge", + .parent = TYPE_SYS_BUS_DEVICE, + .instance_size = sizeof(sPAPRPHBState), + .class_init = spapr_phb_class_init, +}; + +void spapr_create_phb(sPAPREnvironment *spapr, + const char *busname, uint64_t buid, + uint64_t mem_win_addr, uint64_t mem_win_size, + uint64_t io_win_addr) +{ + DeviceState *dev; + + dev = qdev_create(NULL, spapr_phb_info.name); - /* pci_bus_set_mem_base(bus, mem_va_start - SPAPR_PCI_MEM_BAR_START); */ + if (busname) { + qdev_prop_set_string(dev, "busname", g_strdup(busname)); + } + qdev_prop_set_uint64(dev, "buid", buid); + qdev_prop_set_uint64(dev, "mem_win_addr", mem_win_addr); + qdev_prop_set_uint64(dev, "mem_win_size", mem_win_size); + qdev_prop_set_uint64(dev, "io_win_addr", io_win_addr); + + qdev_init_nofail(dev); } /* Macros to operate with address in OF binding to PCI */ @@ -415,3 +425,9 @@ int spapr_populate_pci_devices(sPAPRPHBState *phb, return 0; } + +static void register_types(void) +{ + type_register_static(&spapr_phb_info); +} +type_init(register_types) diff --git a/hw/spapr_pci.h b/hw/spapr_pci.h index 213340c91..039f85bd4 100644 --- a/hw/spapr_pci.h +++ b/hw/spapr_pci.h @@ -33,9 +33,11 @@ typedef struct sPAPRPHBState { PCIHostState host_state; uint64_t buid; + char *busname; + char *dtbusname; MemoryRegion memspace, iospace; - target_phys_addr_t mem_win_addr, io_win_addr; + target_phys_addr_t mem_win_addr, mem_win_size, io_win_addr, io_win_size; MemoryRegion memwindow, iowindow; struct { |