diff options
Diffstat (limited to 'hw/pci.c')
| -rw-r--r-- | hw/pci.c | 81 |
1 files changed, 56 insertions, 25 deletions
@@ -31,6 +31,8 @@ #include "loader.h" #include "range.h" #include "qmp-commands.h" +#include "msi.h" +#include "msix.h" //#define DEBUG_PCI #ifdef DEBUG_PCI @@ -44,23 +46,32 @@ static char *pcibus_get_dev_path(DeviceState *dev); static char *pcibus_get_fw_dev_path(DeviceState *dev); static int pcibus_reset(BusState *qbus); -struct BusInfo pci_bus_info = { - .name = "PCI", - .size = sizeof(PCIBus), - .print_dev = pcibus_dev_print, - .get_dev_path = pcibus_get_dev_path, - .get_fw_dev_path = pcibus_get_fw_dev_path, - .reset = pcibus_reset, - .props = (Property[]) { - DEFINE_PROP_PCI_DEVFN("addr", PCIDevice, devfn, -1), - DEFINE_PROP_STRING("romfile", PCIDevice, romfile), - DEFINE_PROP_UINT32("rombar", PCIDevice, rom_bar, 1), - DEFINE_PROP_BIT("multifunction", PCIDevice, cap_present, - QEMU_PCI_CAP_MULTIFUNCTION_BITNR, false), - DEFINE_PROP_BIT("command_serr_enable", PCIDevice, cap_present, - QEMU_PCI_CAP_SERR_BITNR, true), - DEFINE_PROP_END_OF_LIST() - } +static Property pci_props[] = { + DEFINE_PROP_PCI_DEVFN("addr", PCIDevice, devfn, -1), + DEFINE_PROP_STRING("romfile", PCIDevice, romfile), + DEFINE_PROP_UINT32("rombar", PCIDevice, rom_bar, 1), + DEFINE_PROP_BIT("multifunction", PCIDevice, cap_present, + QEMU_PCI_CAP_MULTIFUNCTION_BITNR, false), + DEFINE_PROP_BIT("command_serr_enable", PCIDevice, cap_present, + QEMU_PCI_CAP_SERR_BITNR, true), + DEFINE_PROP_END_OF_LIST() +}; + +static void pci_bus_class_init(ObjectClass *klass, void *data) +{ + BusClass *k = BUS_CLASS(klass); + + k->print_dev = pcibus_dev_print; + k->get_dev_path = pcibus_get_dev_path; + k->get_fw_dev_path = pcibus_get_fw_dev_path; + k->reset = pcibus_reset; +} + +static const TypeInfo pci_bus_info = { + .name = TYPE_PCI_BUS, + .parent = TYPE_BUS, + .instance_size = sizeof(PCIBus), + .class_init = pci_bus_class_init, }; static PCIBus *pci_find_bus_nr(PCIBus *bus, int bus_num); @@ -188,6 +199,9 @@ void pci_device_reset(PCIDevice *dev) } } pci_update_mappings(dev); + + msi_reset(dev); + msix_reset(dev); } /* @@ -265,7 +279,7 @@ void pci_bus_new_inplace(PCIBus *bus, DeviceState *parent, MemoryRegion *address_space_io, uint8_t devfn_min) { - qbus_create_inplace(&bus->qbus, &pci_bus_info, parent, name); + qbus_create_inplace(&bus->qbus, TYPE_PCI_BUS, parent, name); assert(PCI_FUNC(devfn_min) == 0); bus->devfn_min = devfn_min; bus->address_space_mem = address_space_mem; @@ -286,7 +300,7 @@ PCIBus *pci_bus_new(DeviceState *parent, const char *name, PCIBus *bus; bus = g_malloc0(sizeof(*bus)); - bus->qbus.qdev_allocated = 1; + bus->qbus.glib_allocated = true; pci_bus_new_inplace(bus, parent, name, address_space_mem, address_space_io, devfn_min); return bus; @@ -761,6 +775,9 @@ static PCIDevice *do_pci_register_device(PCIDevice *pci_dev, PCIBus *bus, return NULL; } pci_dev->bus = bus; + if (bus->dma_context_fn) { + pci_dev->dma = bus->dma_context_fn(bus, bus->dma_context_opaque, devfn); + } pci_dev->devfn = devfn; pstrcpy(pci_dev->name, sizeof(pci_dev->name), name); pci_dev->irq_state = 0; @@ -1037,6 +1054,9 @@ void pci_default_write_config(PCIDevice *d, uint32_t addr, uint32_t val, int l) if (range_covers_byte(addr, l, PCI_COMMAND)) pci_update_irq_disabled(d, was_irq_disabled); + + msi_write_config(d, addr, val, l); + msix_write_config(d, addr, val, l); } /***********************************************************/ @@ -1127,7 +1147,9 @@ static const pci_class_desc pci_class_descriptions[] = }; static void pci_for_each_device_under_bus(PCIBus *bus, - void (*fn)(PCIBus *b, PCIDevice *d)) + void (*fn)(PCIBus *b, PCIDevice *d, + void *opaque), + void *opaque) { PCIDevice *d; int devfn; @@ -1135,18 +1157,19 @@ static void pci_for_each_device_under_bus(PCIBus *bus, for(devfn = 0; devfn < ARRAY_SIZE(bus->devices); devfn++) { d = bus->devices[devfn]; if (d) { - fn(bus, d); + fn(bus, d, opaque); } } } void pci_for_each_device(PCIBus *bus, int bus_num, - void (*fn)(PCIBus *b, PCIDevice *d)) + void (*fn)(PCIBus *b, PCIDevice *d, void *opaque), + void *opaque) { bus = pci_find_bus_nr(bus, bus_num); if (bus) { - pci_for_each_device_under_bus(bus, fn); + pci_for_each_device_under_bus(bus, fn, opaque); } } @@ -1537,7 +1560,7 @@ PCIDevice *pci_create_multifunction(PCIBus *bus, int devfn, bool multifunction, DeviceState *dev; dev = qdev_create(&bus->qbus, name); - qdev_prop_set_uint32(dev, "addr", devfn); + qdev_prop_set_int32(dev, "addr", devfn); qdev_prop_set_bit(dev, "multifunction", multifunction); return PCI_DEVICE(dev); } @@ -2000,7 +2023,14 @@ static void pci_device_class_init(ObjectClass *klass, void *data) k->init = pci_qdev_init; k->unplug = pci_unplug_device; k->exit = pci_unregister_device; - k->bus_info = &pci_bus_info; + k->bus_type = TYPE_PCI_BUS; + k->props = pci_props; +} + +void pci_setup_iommu(PCIBus *bus, PCIDMAContextFunc fn, void *opaque) +{ + bus->dma_context_fn = fn; + bus->dma_context_opaque = opaque; } static TypeInfo pci_device_type_info = { @@ -2014,6 +2044,7 @@ static TypeInfo pci_device_type_info = { static void pci_register_types(void) { + type_register_static(&pci_bus_info); type_register_static(&pci_device_type_info); } |