#ifndef QEMU_PCI_H #define QEMU_PCI_H #include "qemu-common.h" #include "qdev.h" /* PCI includes legacy ISA access. */ #include "isa.h" /* PCI bus */ extern target_phys_addr_t pci_mem_base; #define PCI_DEVFN(slot, func) ((((slot) & 0x1f) << 3) | ((func) & 0x07)) #define PCI_SLOT(devfn) (((devfn) >> 3) & 0x1f) #define PCI_FUNC(devfn) ((devfn) & 0x07) /* Class, Vendor and Device IDs from Linux's pci_ids.h */ #include "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 /* 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_IDE 0x1729 /* Intel (0x8086) */ #define PCI_DEVICE_ID_INTEL_82551IT 0x1209 /* 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 #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 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, uint32_t addr, uint32_t size, int type); typedef int PCIUnregisterFunc(PCIDevice *pci_dev); #define PCI_ADDRESS_SPACE_MEM 0x00 #define PCI_ADDRESS_SPACE_IO 0x01 #define PCI_ADDRESS_SPACE_MEM_PREFETCH 0x08 typedef struct PCIIORegion { uint32_t addr; /* current PCI mapping address. -1 means not mapped */ uint32_t size; uint8_t type; PCIMapIORegionFunc *map_func; } PCIIORegion; #define PCI_ROM_SLOT 6 #define PCI_NUM_REGIONS 7 /* Declarations from linux/pci_regs.h */ #define PCI_VENDOR_ID 0x00 /* 16 bits */ #define PCI_DEVICE_ID 0x02 /* 16 bits */ #define PCI_COMMAND 0x04 /* 16 bits */ #define PCI_COMMAND_IO 0x1 /* Enable response in I/O space */ #define PCI_COMMAND_MEMORY 0x2 /* Enable response in Memory space */ #define PCI_COMMAND_MASTER 0x4 /* Enable bus master */ #define PCI_STATUS 0x06 /* 16 bits */ #define PCI_REVISION_ID 0x08 /* 8 bits */ #define PCI_CLASS_PROG 0x09 /* Reg. Level Programming Interface */ #define PCI_CLASS_DEVICE 0x0a /* Device class */ #define PCI_CACHE_LINE_SIZE 0x0c /* 8 bits */ #define PCI_LATENCY_TIMER 0x0d /* 8 bits */ #define PCI_HEADER_TYPE 0x0e /* 8 bits */ #define PCI_HEADER_TYPE_NORMAL 0 #define PCI_HEADER_TYPE_BRIDGE 1 #define PCI_HEADER_TYPE_CARDBUS 2 #define PCI_HEADER_TYPE_MULTI_FUNCTION 0x80 #define PCI_BASE_ADDRESS_0 0x10 /* 32 bits */ #define PCI_PRIMARY_BUS 0x18 /* Primary bus number */ #define PCI_SECONDARY_BUS 0x19 /* Secondary bus number */ #define PCI_SEC_STATUS 0x1e /* Secondary status register, only bit 14 used */ #define PCI_SUBSYSTEM_VENDOR_ID 0x2c /* 16 bits */ #define PCI_SUBSYSTEM_ID 0x2e /* 16 bits */ #define PCI_CAPABILITY_LIST 0x34 /* Offset of first capability list entry */ #define PCI_INTERRUPT_LINE 0x3c /* 8 bits */ #define PCI_INTERRUPT_PIN 0x3d /* 8 bits */ #define PCI_MIN_GNT 0x3e /* 8 bits */ #define PCI_MAX_LAT 0x3f /* 8 bits */ /* Capability lists */ #define PCI_CAP_LIST_ID 0 /* Capability ID */ #define PCI_CAP_LIST_NEXT 1 /* Next capability in the list */ #define PCI_REVISION 0x08 /* obsolete, use PCI_REVISION_ID */ #define PCI_SUBVENDOR_ID 0x2c /* obsolete, use PCI_SUBSYSTEM_VENDOR_ID */ #define PCI_SUBDEVICE_ID 0x2e /* obsolete, use PCI_SUBSYSTEM_ID */ /* Bits in the PCI Status Register (PCI 2.3 spec) */ #define PCI_STATUS_RESERVED1 0x007 #define PCI_STATUS_INT_STATUS 0x008 #define PCI_STATUS_CAP_LIST 0x010 #define PCI_STATUS_66MHZ 0x020 #define PCI_STATUS_RESERVED2 0x040 #define PCI_STATUS_FAST_BACK 0x080 #define PCI_STATUS_DEVSEL 0x600 #define PCI_STATUS_RESERVED_MASK_LO (PCI_STATUS_RESERVED1 | \ PCI_STATUS_INT_STATUS | PCI_STATUS_CAPABILITIES | \ PCI_STATUS_66MHZ | PCI_STATUS_RESERVED2 | PCI_STATUS_FAST_BACK) #define PCI_STATUS_RESERVED_MASK_HI (PCI_STATUS_DEVSEL >> 8) /* Bits in the PCI Command Register (PCI 2.3 spec) */ #define PCI_COMMAND_RESERVED 0xf800 #define PCI_COMMAND_RESERVED_MASK_HI (PCI_COMMAND_RESERVED >> 8) /* 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 /* Bits in cap_present field. */ enum { QEMU_PCI_CAP_MSIX = 0x1, }; struct PCIDevice { DeviceState qdev; /* PCI config space */ uint8_t config[PCI_CONFIG_SPACE_SIZE]; /* Used to enable config checks on load. Note that writeable bits are * never checked even if set in cmask. */ uint8_t cmask[PCI_CONFIG_SPACE_SIZE]; /* Used to implement R/W bytes */ uint8_t wmask[PCI_CONFIG_SPACE_SIZE]; /* Used to allocate config space for capabilities. */ uint8_t used[PCI_CONFIG_SPACE_SIZE]; /* the following fields are read only */ PCIBus *bus; uint32_t devfn; char name[64]; PCIIORegion io_regions[PCI_NUM_REGIONS]; /* do not access the following fields */ PCIConfigReadFunc *config_read; PCIConfigWriteFunc *config_write; PCIUnregisterFunc *unregister; /* IRQ objects for the INTA-INTD pins. */ qemu_irq *irq; /* Current IRQ levels. Used internally by the generic PCI code. */ int irq_state[4]; /* Capability bits */ uint32_t cap_present; /* Offset of MSI-X capability in config space */ uint8_t msix_cap; /* MSI-X entries */ int msix_entries_nr; /* Space to store MSIX table */ uint8_t *msix_table_page; /* MMIO index used to map MSIX table and pending bit entries. */ int msix_mmio_index; /* Reference-count for entries actually in use by driver. */ unsigned *msix_entry_used; /* Region including the MSI-X table */ uint32_t msix_bar_size; }; PCIDevice *pci_register_device(PCIBus *bus, const char *name, int instance_size, int devfn, PCIConfigReadFunc *config_read, PCIConfigWriteFunc *config_write); int pci_unregister_device(PCIDevice *pci_dev); void pci_register_bar(PCIDevice *pci_dev, int region_num, uint32_t size, int type, PCIMapIORegionFunc *map_func); int pci_add_capability(PCIDevice *pci_dev, uint8_t cap_id, uint8_t cap_size); void pci_del_capability(PCIDevice *pci_dev, uint8_t cap_id, uint8_t cap_size); void pci_reserve_capability(PCIDevice *pci_dev, uint8_t offset, uint8_t 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); typedef void (*pci_set_irq_fn)(qemu_irq *pic, int irq_num, int level); typedef int (*pci_map_irq_fn)(PCIDevice *pci_dev, int irq_num); PCIBus *pci_register_bus(DeviceState *parent, const char *name, pci_set_irq_fn set_irq, pci_map_irq_fn map_irq, qemu_irq *pic, int devfn_min, int nirq); PCIDevice *pci_nic_init(NICInfo *nd, const char *default_model, const char *default_devaddr); void pci_data_write(void *opaque, uint32_t addr, uint32_t val, int len); uint32_t pci_data_read(void *opaque, uint32_t addr, int len); int pci_bus_num(PCIBus *s); void pci_for_each_device(int bus_num, void (*fn)(PCIDevice *d)); PCIBus *pci_find_bus(int bus_num); PCIDevice *pci_find_device(int bus_num, int slot, int function); int pci_read_devaddr(Monitor *mon, const char *addr, int *domp, int *busp, unsigned *slotp); void pci_info(Monitor *mon); PCIBus *pci_bridge_init(PCIBus *bus, int devfn, uint16_t vid, uint16_t did, pci_map_irq_fn map_irq, const char *name); static inline void pci_set_byte(uint8_t *config, uint8_t val) { *config = val; } static inline uint8_t pci_get_byte(uint8_t *config) { return *config; } static inline void pci_set_word(uint8_t *config, uint16_t val) { cpu_to_le16wu((uint16_t *)config, val); } static inline uint16_t pci_get_word(uint8_t *config) { return le16_to_cpupu((uint16_t *)config); } static inline void pci_set_long(uint8_t *config, uint32_t val) { cpu_to_le32wu((uint32_t *)config, val); } static inline uint32_t pci_get_long(uint8_t *config) { return le32_to_cpupu((uint32_t *)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_class(uint8_t *pci_config, uint16_t val) { pci_set_word(&pci_config[PCI_CLASS_DEVICE], val); } typedef void (*pci_qdev_initfn)(PCIDevice *dev); typedef struct { DeviceInfo qdev; pci_qdev_initfn init; PCIConfigReadFunc *config_read; PCIConfigWriteFunc *config_write; } PCIDeviceInfo; void pci_qdev_register(PCIDeviceInfo *info); void pci_qdev_register_many(PCIDeviceInfo *info); PCIDevice *pci_create(const char *name, const char *devaddr); PCIDevice *pci_create_simple(PCIBus *bus, int devfn, const char *name); /* lsi53c895a.c */ #define LSI_MAX_DEVS 7 void lsi_scsi_attach(DeviceState *host, BlockDriverState *bd, int id); /* vmware_vga.c */ void pci_vmsvga_init(PCIBus *bus); /* usb-uhci.c */ void usb_uhci_piix3_init(PCIBus *bus, int devfn); void usb_uhci_piix4_init(PCIBus *bus, int devfn); /* usb-ohci.c */ void usb_ohci_init_pci(struct PCIBus *bus, int num_ports, int devfn); /* prep_pci.c */ PCIBus *pci_prep_init(qemu_irq *pic); /* apb_pci.c */ PCIBus *pci_apb_init(target_phys_addr_t special_base, target_phys_addr_t mem_base, qemu_irq *pic, PCIBus **bus2, PCIBus **bus3); /* sh_pci.c */ PCIBus *sh_pci_register_bus(pci_set_irq_fn set_irq, pci_map_irq_fn map_irq, qemu_irq *pic, int devfn_min, int nirq); #endif