| #ifndef QEMU_PCI_H |
| #define QEMU_PCI_H |
| |
| #include "exec/memory.h" |
| #include "sysemu/dma.h" |
| |
| /* PCI includes legacy ISA access. */ |
| #include "hw/isa/isa.h" |
| |
| extern bool pci_available; |
| |
| /* PCI bus */ |
| |
| #define PCI_DEVFN(slot, func) ((((slot) & 0x1f) << 3) | ((func) & 0x07)) |
| #define PCI_BUS_NUM(x) (((x) >> 8) & 0xff) |
| #define PCI_SLOT(devfn) (((devfn) >> 3) & 0x1f) |
| #define PCI_FUNC(devfn) ((devfn) & 0x07) |
| #define PCI_BUILD_BDF(bus, devfn) ((bus << 8) | (devfn)) |
| #define PCI_BDF_TO_DEVFN(x) ((x) & 0xff) |
| #define PCI_BUS_MAX 256 |
| #define PCI_DEVFN_MAX 256 |
| #define PCI_SLOT_MAX 32 |
| #define PCI_FUNC_MAX 8 |
| |
| /* Class, Vendor and Device IDs from Linux's pci_ids.h */ |
| #include "hw/pci/pci_ids.h" |
| |
| /* QEMU-specific Vendor and Device ID definitions */ |
| |
| /* IBM (0x1014) */ |
| #define PCI_DEVICE_ID_IBM_440GX 0x027f |
| #define PCI_DEVICE_ID_IBM_OPENPIC2 0xffff |
| |
| /* Hitachi (0x1054) */ |
| #define PCI_VENDOR_ID_HITACHI 0x1054 |
| #define PCI_DEVICE_ID_HITACHI_SH7751R 0x350e |
| |
| /* Apple (0x106b) */ |
| #define PCI_DEVICE_ID_APPLE_343S1201 0x0010 |
| #define PCI_DEVICE_ID_APPLE_UNI_N_I_PCI 0x001e |
| #define PCI_DEVICE_ID_APPLE_UNI_N_PCI 0x001f |
| #define PCI_DEVICE_ID_APPLE_UNI_N_KEYL 0x0022 |
| #define PCI_DEVICE_ID_APPLE_IPID_USB 0x003f |
| |
| /* Realtek (0x10ec) */ |
| #define PCI_DEVICE_ID_REALTEK_8029 0x8029 |
| |
| /* Xilinx (0x10ee) */ |
| #define PCI_DEVICE_ID_XILINX_XC2VP30 0x0300 |
| |
| /* Marvell (0x11ab) */ |
| #define PCI_DEVICE_ID_MARVELL_GT6412X 0x4620 |
| |
| /* QEMU/Bochs VGA (0x1234) */ |
| #define PCI_VENDOR_ID_QEMU 0x1234 |
| #define PCI_DEVICE_ID_QEMU_VGA 0x1111 |
| #define PCI_DEVICE_ID_QEMU_IPMI 0x1112 |
| |
| /* VMWare (0x15ad) */ |
| #define PCI_VENDOR_ID_VMWARE 0x15ad |
| #define PCI_DEVICE_ID_VMWARE_SVGA2 0x0405 |
| #define PCI_DEVICE_ID_VMWARE_SVGA 0x0710 |
| #define PCI_DEVICE_ID_VMWARE_NET 0x0720 |
| #define PCI_DEVICE_ID_VMWARE_SCSI 0x0730 |
| #define PCI_DEVICE_ID_VMWARE_PVSCSI 0x07C0 |
| #define PCI_DEVICE_ID_VMWARE_IDE 0x1729 |
| #define PCI_DEVICE_ID_VMWARE_VMXNET3 0x07B0 |
| |
| /* Intel (0x8086) */ |
| #define PCI_DEVICE_ID_INTEL_82551IT 0x1209 |
| #define PCI_DEVICE_ID_INTEL_82557 0x1229 |
| #define PCI_DEVICE_ID_INTEL_82801IR 0x2922 |
| |
| /* Red Hat / Qumranet (for QEMU) -- see pci-ids.txt */ |
| #define PCI_VENDOR_ID_REDHAT_QUMRANET 0x1af4 |
| #define PCI_SUBVENDOR_ID_REDHAT_QUMRANET 0x1af4 |
| #define PCI_SUBDEVICE_ID_QEMU 0x1100 |
| |
| /* legacy virtio-pci devices */ |
| #define PCI_DEVICE_ID_VIRTIO_NET 0x1000 |
| #define PCI_DEVICE_ID_VIRTIO_BLOCK 0x1001 |
| #define PCI_DEVICE_ID_VIRTIO_BALLOON 0x1002 |
| #define PCI_DEVICE_ID_VIRTIO_CONSOLE 0x1003 |
| #define PCI_DEVICE_ID_VIRTIO_SCSI 0x1004 |
| #define PCI_DEVICE_ID_VIRTIO_RNG 0x1005 |
| #define PCI_DEVICE_ID_VIRTIO_9P 0x1009 |
| #define PCI_DEVICE_ID_VIRTIO_VSOCK 0x1012 |
| |
| /* |
| * modern virtio-pci devices get their id assigned automatically, |
| * there is no need to add #defines here. It gets calculated as |
| * |
| * PCI_DEVICE_ID = PCI_DEVICE_ID_VIRTIO_10_BASE + |
| * virtio_bus_get_vdev_id(bus) |
| */ |
| #define PCI_DEVICE_ID_VIRTIO_10_BASE 0x1040 |
| |
| #define PCI_VENDOR_ID_REDHAT 0x1b36 |
| #define PCI_DEVICE_ID_REDHAT_BRIDGE 0x0001 |
| #define PCI_DEVICE_ID_REDHAT_SERIAL 0x0002 |
| #define PCI_DEVICE_ID_REDHAT_SERIAL2 0x0003 |
| #define PCI_DEVICE_ID_REDHAT_SERIAL4 0x0004 |
| #define PCI_DEVICE_ID_REDHAT_TEST 0x0005 |
| #define PCI_DEVICE_ID_REDHAT_ROCKER 0x0006 |
| #define PCI_DEVICE_ID_REDHAT_SDHCI 0x0007 |
| #define PCI_DEVICE_ID_REDHAT_PCIE_HOST 0x0008 |
| #define PCI_DEVICE_ID_REDHAT_PXB 0x0009 |
| #define PCI_DEVICE_ID_REDHAT_BRIDGE_SEAT 0x000a |
| #define PCI_DEVICE_ID_REDHAT_PXB_PCIE 0x000b |
| #define PCI_DEVICE_ID_REDHAT_PCIE_RP 0x000c |
| #define PCI_DEVICE_ID_REDHAT_XHCI 0x000d |
| #define PCI_DEVICE_ID_REDHAT_PCIE_BRIDGE 0x000e |
| #define PCI_DEVICE_ID_REDHAT_MDPY 0x000f |
| #define PCI_DEVICE_ID_REDHAT_NVME 0x0010 |
| #define PCI_DEVICE_ID_REDHAT_PVPANIC 0x0011 |
| #define PCI_DEVICE_ID_REDHAT_ACPI_ERST 0x0012 |
| #define PCI_DEVICE_ID_REDHAT_QXL 0x0100 |
| |
| #define FMT_PCIBUS PRIx64 |
| |
| typedef uint64_t pcibus_t; |
| |
| struct PCIHostDeviceAddress { |
| unsigned int domain; |
| unsigned int bus; |
| unsigned int slot; |
| unsigned int function; |
| }; |
| |
| typedef void PCIConfigWriteFunc(PCIDevice *pci_dev, |
| uint32_t address, uint32_t data, int len); |
| typedef uint32_t PCIConfigReadFunc(PCIDevice *pci_dev, |
| uint32_t address, int len); |
| typedef void PCIMapIORegionFunc(PCIDevice *pci_dev, int region_num, |
| pcibus_t addr, pcibus_t size, int type); |
| typedef void PCIUnregisterFunc(PCIDevice *pci_dev); |
| |
| typedef void MSITriggerFunc(PCIDevice *dev, MSIMessage msg); |
| typedef MSIMessage MSIPrepareMessageFunc(PCIDevice *dev, unsigned vector); |
| typedef MSIMessage MSIxPrepareMessageFunc(PCIDevice *dev, unsigned vector); |
| |
| typedef struct PCIIORegion { |
| pcibus_t addr; /* current PCI mapping address. -1 means not mapped */ |
| #define PCI_BAR_UNMAPPED (~(pcibus_t)0) |
| pcibus_t size; |
| uint8_t type; |
| MemoryRegion *memory; |
| MemoryRegion *address_space; |
| } PCIIORegion; |
| |
| #define PCI_ROM_SLOT 6 |
| #define PCI_NUM_REGIONS 7 |
| |
| enum { |
| QEMU_PCI_VGA_MEM, |
| QEMU_PCI_VGA_IO_LO, |
| QEMU_PCI_VGA_IO_HI, |
| QEMU_PCI_VGA_NUM_REGIONS, |
| }; |
| |
| #define QEMU_PCI_VGA_MEM_BASE 0xa0000 |
| #define QEMU_PCI_VGA_MEM_SIZE 0x20000 |
| #define QEMU_PCI_VGA_IO_LO_BASE 0x3b0 |
| #define QEMU_PCI_VGA_IO_LO_SIZE 0xc |
| #define QEMU_PCI_VGA_IO_HI_BASE 0x3c0 |
| #define QEMU_PCI_VGA_IO_HI_SIZE 0x20 |
| |
| #include "hw/pci/pci_regs.h" |
| |
| /* PCI HEADER_TYPE */ |
| #define PCI_HEADER_TYPE_MULTI_FUNCTION 0x80 |
| |
| /* Size of the standard PCI config header */ |
| #define PCI_CONFIG_HEADER_SIZE 0x40 |
| /* Size of the standard PCI config space */ |
| #define PCI_CONFIG_SPACE_SIZE 0x100 |
| /* Size of the standard PCIe config space: 4KB */ |
| #define PCIE_CONFIG_SPACE_SIZE 0x1000 |
| |
| #define PCI_NUM_PINS 4 /* A-D */ |
| |
| /* Bits in cap_present field. */ |
| enum { |
| QEMU_PCI_CAP_MSI = 0x1, |
| QEMU_PCI_CAP_MSIX = 0x2, |
| QEMU_PCI_CAP_EXPRESS = 0x4, |
| |
| /* multifunction capable device */ |
| #define QEMU_PCI_CAP_MULTIFUNCTION_BITNR 3 |
| QEMU_PCI_CAP_MULTIFUNCTION = (1 << QEMU_PCI_CAP_MULTIFUNCTION_BITNR), |
| |
| /* command register SERR bit enabled - unused since QEMU v5.0 */ |
| #define QEMU_PCI_CAP_SERR_BITNR 4 |
| QEMU_PCI_CAP_SERR = (1 << QEMU_PCI_CAP_SERR_BITNR), |
| /* Standard hot plug controller. */ |
| #define QEMU_PCI_SHPC_BITNR 5 |
| QEMU_PCI_CAP_SHPC = (1 << QEMU_PCI_SHPC_BITNR), |
| #define QEMU_PCI_SLOTID_BITNR 6 |
| QEMU_PCI_CAP_SLOTID = (1 << QEMU_PCI_SLOTID_BITNR), |
| /* PCI Express capability - Power Controller Present */ |
| #define QEMU_PCIE_SLTCAP_PCP_BITNR 7 |
| QEMU_PCIE_SLTCAP_PCP = (1 << QEMU_PCIE_SLTCAP_PCP_BITNR), |
| /* Link active status in endpoint capability is always set */ |
| #define QEMU_PCIE_LNKSTA_DLLLA_BITNR 8 |
| QEMU_PCIE_LNKSTA_DLLLA = (1 << QEMU_PCIE_LNKSTA_DLLLA_BITNR), |
| #define QEMU_PCIE_EXTCAP_INIT_BITNR 9 |
| QEMU_PCIE_EXTCAP_INIT = (1 << QEMU_PCIE_EXTCAP_INIT_BITNR), |
| #define QEMU_PCIE_CXL_BITNR 10 |
| QEMU_PCIE_CAP_CXL = (1 << QEMU_PCIE_CXL_BITNR), |
| }; |
| |
| typedef struct PCIINTxRoute { |
| enum { |
| PCI_INTX_ENABLED, |
| PCI_INTX_INVERTED, |
| PCI_INTX_DISABLED, |
| } mode; |
| int irq; |
| } PCIINTxRoute; |
| |
| typedef void (*PCIINTxRoutingNotifier)(PCIDevice *dev); |
| typedef int (*MSIVectorUseNotifier)(PCIDevice *dev, unsigned int vector, |
| MSIMessage msg); |
| typedef void (*MSIVectorReleaseNotifier)(PCIDevice *dev, unsigned int vector); |
| typedef void (*MSIVectorPollNotifier)(PCIDevice *dev, |
| unsigned int vector_start, |
| unsigned int vector_end); |
| |
| void pci_register_bar(PCIDevice *pci_dev, int region_num, |
| uint8_t attr, MemoryRegion *memory); |
| void pci_register_vga(PCIDevice *pci_dev, MemoryRegion *mem, |
| MemoryRegion *io_lo, MemoryRegion *io_hi); |
| void pci_unregister_vga(PCIDevice *pci_dev); |
| pcibus_t pci_get_bar_addr(PCIDevice *pci_dev, int region_num); |
| |
| int pci_add_capability(PCIDevice *pdev, uint8_t cap_id, |
| uint8_t offset, uint8_t size, |
| Error **errp); |
| |
| void pci_del_capability(PCIDevice *pci_dev, uint8_t cap_id, uint8_t cap_size); |
| |
| uint8_t pci_find_capability(PCIDevice *pci_dev, uint8_t cap_id); |
| |
| |
| uint32_t pci_default_read_config(PCIDevice *d, |
| uint32_t address, int len); |
| void pci_default_write_config(PCIDevice *d, |
| uint32_t address, uint32_t val, int len); |
| void pci_device_save(PCIDevice *s, QEMUFile *f); |
| int pci_device_load(PCIDevice *s, QEMUFile *f); |
| MemoryRegion *pci_address_space(PCIDevice *dev); |
| MemoryRegion *pci_address_space_io(PCIDevice *dev); |
| |
| /* |
| * Should not normally be used by devices. For use by sPAPR target |
| * where QEMU emulates firmware. |
| */ |
| int pci_bar(PCIDevice *d, int reg); |
| |
| typedef void (*pci_set_irq_fn)(void *opaque, int irq_num, int level); |
| typedef int (*pci_map_irq_fn)(PCIDevice *pci_dev, int irq_num); |
| typedef PCIINTxRoute (*pci_route_irq_fn)(void *opaque, int pin); |
| |
| #define TYPE_PCI_BUS "PCI" |
| OBJECT_DECLARE_TYPE(PCIBus, PCIBusClass, PCI_BUS) |
| #define TYPE_PCIE_BUS "PCIE" |
| #define TYPE_CXL_BUS "CXL" |
| |
| typedef void (*pci_bus_dev_fn)(PCIBus *b, PCIDevice *d, void *opaque); |
| typedef void (*pci_bus_fn)(PCIBus *b, void *opaque); |
| typedef void *(*pci_bus_ret_fn)(PCIBus *b, void *opaque); |
| |
| bool pci_bus_is_express(const PCIBus *bus); |
| |
| void pci_root_bus_init(PCIBus *bus, size_t bus_size, DeviceState *parent, |
| const char *name, |
| MemoryRegion *address_space_mem, |
| MemoryRegion *address_space_io, |
| uint8_t devfn_min, const char *typename); |
| PCIBus *pci_root_bus_new(DeviceState *parent, const char *name, |
| MemoryRegion *address_space_mem, |
| MemoryRegion *address_space_io, |
| uint8_t devfn_min, const char *typename); |
| void pci_root_bus_cleanup(PCIBus *bus); |
| void pci_bus_irqs(PCIBus *bus, pci_set_irq_fn set_irq, |
| void *irq_opaque, int nirq); |
| void pci_bus_map_irqs(PCIBus *bus, pci_map_irq_fn map_irq); |
| void pci_bus_irqs_cleanup(PCIBus *bus); |
| int pci_bus_get_irq_level(PCIBus *bus, int irq_num); |
| /* 0 <= pin <= 3 0 = INTA, 1 = INTB, 2 = INTC, 3 = INTD */ |
| static inline int pci_swizzle(int slot, int pin) |
| { |
| return (slot + pin) % PCI_NUM_PINS; |
| } |
| int pci_swizzle_map_irq_fn(PCIDevice *pci_dev, int pin); |
| PCIBus *pci_register_root_bus(DeviceState *parent, const char *name, |
| pci_set_irq_fn set_irq, pci_map_irq_fn map_irq, |
| void *irq_opaque, |
| MemoryRegion *address_space_mem, |
| MemoryRegion *address_space_io, |
| uint8_t devfn_min, int nirq, |
| const char *typename); |
| void pci_unregister_root_bus(PCIBus *bus); |
| void pci_bus_set_route_irq_fn(PCIBus *, pci_route_irq_fn); |
| PCIINTxRoute pci_device_route_intx_to_irq(PCIDevice *dev, int pin); |
| bool pci_intx_route_changed(PCIINTxRoute *old, PCIINTxRoute *new); |
| void pci_bus_fire_intx_routing_notifier(PCIBus *bus); |
| void pci_device_set_intx_routing_notifier(PCIDevice *dev, |
| PCIINTxRoutingNotifier notifier); |
| void pci_device_reset(PCIDevice *dev); |
| |
| PCIDevice *pci_nic_init_nofail(NICInfo *nd, PCIBus *rootbus, |
| const char *default_model, |
| const char *default_devaddr); |
| |
| PCIDevice *pci_vga_init(PCIBus *bus); |
| |
| static inline PCIBus *pci_get_bus(const PCIDevice *dev) |
| { |
| return PCI_BUS(qdev_get_parent_bus(DEVICE(dev))); |
| } |
| int pci_bus_num(PCIBus *s); |
| void pci_bus_range(PCIBus *bus, int *min_bus, int *max_bus); |
| static inline int pci_dev_bus_num(const PCIDevice *dev) |
| { |
| return pci_bus_num(pci_get_bus(dev)); |
| } |
| |
| int pci_bus_numa_node(PCIBus *bus); |
| void pci_for_each_device(PCIBus *bus, int bus_num, |
| pci_bus_dev_fn fn, |
| void *opaque); |
| void pci_for_each_device_reverse(PCIBus *bus, int bus_num, |
| pci_bus_dev_fn fn, |
| void *opaque); |
| void pci_for_each_device_under_bus(PCIBus *bus, |
| pci_bus_dev_fn fn, void *opaque); |
| void pci_for_each_device_under_bus_reverse(PCIBus *bus, |
| pci_bus_dev_fn fn, |
| void *opaque); |
| void pci_for_each_bus_depth_first(PCIBus *bus, pci_bus_ret_fn begin, |
| pci_bus_fn end, void *parent_state); |
| PCIDevice *pci_get_function_0(PCIDevice *pci_dev); |
| |
| /* Use this wrapper when specific scan order is not required. */ |
| static inline |
| void pci_for_each_bus(PCIBus *bus, pci_bus_fn fn, void *opaque) |
| { |
| pci_for_each_bus_depth_first(bus, NULL, fn, opaque); |
| } |
| |
| PCIBus *pci_device_root_bus(const PCIDevice *d); |
| const char *pci_root_bus_path(PCIDevice *dev); |
| bool pci_bus_bypass_iommu(PCIBus *bus); |
| PCIDevice *pci_find_device(PCIBus *bus, int bus_num, uint8_t devfn); |
| int pci_qdev_find_device(const char *id, PCIDevice **pdev); |
| void pci_bus_get_w64_range(PCIBus *bus, Range *range); |
| |
| void pci_device_deassert_intx(PCIDevice *dev); |
| |
| typedef AddressSpace *(*PCIIOMMUFunc)(PCIBus *, void *, int); |
| |
| AddressSpace *pci_device_iommu_address_space(PCIDevice *dev); |
| void pci_setup_iommu(PCIBus *bus, PCIIOMMUFunc fn, void *opaque); |
| |
| pcibus_t pci_bar_address(PCIDevice *d, |
| int reg, uint8_t type, pcibus_t size); |
| |
| static inline void |
| pci_set_byte(uint8_t *config, uint8_t val) |
| { |
| *config = val; |
| } |
| |
| static inline uint8_t |
| pci_get_byte(const uint8_t *config) |
| { |
| return *config; |
| } |
| |
| static inline void |
| pci_set_word(uint8_t *config, uint16_t val) |
| { |
| stw_le_p(config, val); |
| } |
| |
| static inline uint16_t |
| pci_get_word(const uint8_t *config) |
| { |
| return lduw_le_p(config); |
| } |
| |
| static inline void |
| pci_set_long(uint8_t *config, uint32_t val) |
| { |
| stl_le_p(config, val); |
| } |
| |
| static inline uint32_t |
| pci_get_long(const uint8_t *config) |
| { |
| return ldl_le_p(config); |
| } |
| |
| /* |
| * PCI capabilities and/or their fields |
| * are generally DWORD aligned only so |
| * mechanism used by pci_set/get_quad() |
| * must be tolerant to unaligned pointers |
| * |
| */ |
| static inline void |
| pci_set_quad(uint8_t *config, uint64_t val) |
| { |
| stq_le_p(config, val); |
| } |
| |
| static inline uint64_t |
| pci_get_quad(const uint8_t *config) |
| { |
| return ldq_le_p(config); |
| } |
| |
| static inline void |
| pci_config_set_vendor_id(uint8_t *pci_config, uint16_t val) |
| { |
| pci_set_word(&pci_config[PCI_VENDOR_ID], val); |
| } |
| |
| static inline void |
| pci_config_set_device_id(uint8_t *pci_config, uint16_t val) |
| { |
| pci_set_word(&pci_config[PCI_DEVICE_ID], val); |
| } |
| |
| static inline void |
| pci_config_set_revision(uint8_t *pci_config, uint8_t val) |
| { |
| pci_set_byte(&pci_config[PCI_REVISION_ID], val); |
| } |
| |
| static inline void |
| pci_config_set_class(uint8_t *pci_config, uint16_t val) |
| { |
| pci_set_word(&pci_config[PCI_CLASS_DEVICE], val); |
| } |
| |
| static inline void |
| pci_config_set_prog_interface(uint8_t *pci_config, uint8_t val) |
| { |
| pci_set_byte(&pci_config[PCI_CLASS_PROG], val); |
| } |
| |
| static inline void |
| pci_config_set_interrupt_pin(uint8_t *pci_config, uint8_t val) |
| { |
| pci_set_byte(&pci_config[PCI_INTERRUPT_PIN], val); |
| } |
| |
| /* |
| * helper functions to do bit mask operation on configuration space. |
| * Just to set bit, use test-and-set and discard returned value. |
| * Just to clear bit, use test-and-clear and discard returned value. |
| * NOTE: They aren't atomic. |
| */ |
| static inline uint8_t |
| pci_byte_test_and_clear_mask(uint8_t *config, uint8_t mask) |
| { |
| uint8_t val = pci_get_byte(config); |
| pci_set_byte(config, val & ~mask); |
| return val & mask; |
| } |
| |
| static inline uint8_t |
| pci_byte_test_and_set_mask(uint8_t *config, uint8_t mask) |
| { |
| uint8_t val = pci_get_byte(config); |
| pci_set_byte(config, val | mask); |
| return val & mask; |
| } |
| |
| static inline uint16_t |
| pci_word_test_and_clear_mask(uint8_t *config, uint16_t mask) |
| { |
| uint16_t val = pci_get_word(config); |
| pci_set_word(config, val & ~mask); |
| return val & mask; |
| } |
| |
| static inline uint16_t |
| pci_word_test_and_set_mask(uint8_t *config, uint16_t mask) |
| { |
| uint16_t val = pci_get_word(config); |
| pci_set_word(config, val | mask); |
| return val & mask; |
| } |
| |
| static inline uint32_t |
| pci_long_test_and_clear_mask(uint8_t *config, uint32_t mask) |
| { |
| uint32_t val = pci_get_long(config); |
| pci_set_long(config, val & ~mask); |
| return val & mask; |
| } |
| |
| static inline uint32_t |
| pci_long_test_and_set_mask(uint8_t *config, uint32_t mask) |
| { |
| uint32_t val = pci_get_long(config); |
| pci_set_long(config, val | mask); |
| return val & mask; |
| } |
| |
| static inline uint64_t |
| pci_quad_test_and_clear_mask(uint8_t *config, uint64_t mask) |
| { |
| uint64_t val = pci_get_quad(config); |
| pci_set_quad(config, val & ~mask); |
| return val & mask; |
| } |
| |
| static inline uint64_t |
| pci_quad_test_and_set_mask(uint8_t *config, uint64_t mask) |
| { |
| uint64_t val = pci_get_quad(config); |
| pci_set_quad(config, val | mask); |
| return val & mask; |
| } |
| |
| /* Access a register specified by a mask */ |
| static inline void |
| pci_set_byte_by_mask(uint8_t *config, uint8_t mask, uint8_t reg) |
| { |
| uint8_t val = pci_get_byte(config); |
| uint8_t rval; |
| |
| assert(mask); |
| rval = reg << ctz32(mask); |
| pci_set_byte(config, (~mask & val) | (mask & rval)); |
| } |
| |
| static inline void |
| pci_set_word_by_mask(uint8_t *config, uint16_t mask, uint16_t reg) |
| { |
| uint16_t val = pci_get_word(config); |
| uint16_t rval; |
| |
| assert(mask); |
| rval = reg << ctz32(mask); |
| pci_set_word(config, (~mask & val) | (mask & rval)); |
| } |
| |
| static inline void |
| pci_set_long_by_mask(uint8_t *config, uint32_t mask, uint32_t reg) |
| { |
| uint32_t val = pci_get_long(config); |
| uint32_t rval; |
| |
| assert(mask); |
| rval = reg << ctz32(mask); |
| pci_set_long(config, (~mask & val) | (mask & rval)); |
| } |
| |
| static inline void |
| pci_set_quad_by_mask(uint8_t *config, uint64_t mask, uint64_t reg) |
| { |
| uint64_t val = pci_get_quad(config); |
| uint64_t rval; |
| |
| assert(mask); |
| rval = reg << ctz32(mask); |
| pci_set_quad(config, (~mask & val) | (mask & rval)); |
| } |
| |
| PCIDevice *pci_new_multifunction(int devfn, bool multifunction, |
| const char *name); |
| PCIDevice *pci_new(int devfn, const char *name); |
| bool pci_realize_and_unref(PCIDevice *dev, PCIBus *bus, Error **errp); |
| |
| PCIDevice *pci_create_simple_multifunction(PCIBus *bus, int devfn, |
| bool multifunction, |
| const char *name); |
| PCIDevice *pci_create_simple(PCIBus *bus, int devfn, const char *name); |
| |
| void lsi53c8xx_handle_legacy_cmdline(DeviceState *lsi_dev); |
| |
| qemu_irq pci_allocate_irq(PCIDevice *pci_dev); |
| void pci_set_irq(PCIDevice *pci_dev, int level); |
| |
| static inline void pci_irq_assert(PCIDevice *pci_dev) |
| { |
| pci_set_irq(pci_dev, 1); |
| } |
| |
| static inline void pci_irq_deassert(PCIDevice *pci_dev) |
| { |
| pci_set_irq(pci_dev, 0); |
| } |
| |
| /* |
| * FIXME: PCI does not work this way. |
| * All the callers to this method should be fixed. |
| */ |
| static inline void pci_irq_pulse(PCIDevice *pci_dev) |
| { |
| pci_irq_assert(pci_dev); |
| pci_irq_deassert(pci_dev); |
| } |
| |
| MSIMessage pci_get_msi_message(PCIDevice *dev, int vector); |
| void pci_set_power(PCIDevice *pci_dev, bool state); |
| |
| #endif |