4 /* PCI includes legacy ISA access. */
9 extern target_phys_addr_t pci_mem_base;
12 #define PCI_VENDOR_ID_REDHAT_QUMRANET 0x1af4
13 #define PCI_SUBVENDOR_ID_REDHAT_QUMRANET 0x1af4
14 #define PCI_SUBDEVICE_ID_QEMU 0x1100
16 #define PCI_DEVICE_ID_VIRTIO_NET 0x1000
17 #define PCI_DEVICE_ID_VIRTIO_BLOCK 0x1001
18 #define PCI_DEVICE_ID_VIRTIO_BALLOON 0x1002
20 typedef void PCIConfigWriteFunc(PCIDevice *pci_dev,
21 uint32_t address, uint32_t data, int len);
22 typedef uint32_t PCIConfigReadFunc(PCIDevice *pci_dev,
23 uint32_t address, int len);
24 typedef void PCIMapIORegionFunc(PCIDevice *pci_dev, int region_num,
25 uint32_t addr, uint32_t size, int type);
27 #define PCI_ADDRESS_SPACE_MEM 0x00
28 #define PCI_ADDRESS_SPACE_IO 0x01
29 #define PCI_ADDRESS_SPACE_MEM_PREFETCH 0x08
31 typedef struct PCIIORegion {
32 uint32_t addr; /* current PCI mapping address. -1 means not mapped */
35 PCIMapIORegionFunc *map_func;
38 #define PCI_ROM_SLOT 6
39 #define PCI_NUM_REGIONS 7
41 #define PCI_DEVICES_MAX 64
43 #define PCI_VENDOR_ID 0x00 /* 16 bits */
44 #define PCI_DEVICE_ID 0x02 /* 16 bits */
45 #define PCI_COMMAND 0x04 /* 16 bits */
46 #define PCI_COMMAND_IO 0x1 /* Enable response in I/O space */
47 #define PCI_COMMAND_MEMORY 0x2 /* Enable response in Memory space */
48 #define PCI_REVISION 0x08
49 #define PCI_CLASS_DEVICE 0x0a /* Device class */
50 #define PCI_SUBVENDOR_ID 0x2c /* 16 bits */
51 #define PCI_SUBDEVICE_ID 0x2e /* 16 bits */
52 #define PCI_INTERRUPT_LINE 0x3c /* 8 bits */
53 #define PCI_INTERRUPT_PIN 0x3d /* 8 bits */
54 #define PCI_MIN_GNT 0x3e /* 8 bits */
55 #define PCI_MAX_LAT 0x3f /* 8 bits */
57 /* Bits in the PCI Status Register (PCI 2.3 spec) */
58 #define PCI_STATUS_RESERVED1 0x007
59 #define PCI_STATUS_INT_STATUS 0x008
60 #define PCI_STATUS_CAPABILITIES 0x010
61 #define PCI_STATUS_66MHZ 0x020
62 #define PCI_STATUS_RESERVED2 0x040
63 #define PCI_STATUS_FAST_BACK 0x080
64 #define PCI_STATUS_DEVSEL 0x600
66 #define PCI_STATUS_RESERVED_MASK_LO (PCI_STATUS_RESERVED1 | \
67 PCI_STATUS_INT_STATUS | PCI_STATUS_CAPABILITIES | \
68 PCI_STATUS_66MHZ | PCI_STATUS_RESERVED2 | PCI_STATUS_FAST_BACK)
70 #define PCI_STATUS_RESERVED_MASK_HI (PCI_STATUS_DEVSEL >> 8)
73 /* PCI config space */
76 /* the following fields are read only */
80 PCIIORegion io_regions[PCI_NUM_REGIONS];
82 /* do not access the following fields */
83 PCIConfigReadFunc *config_read;
84 PCIConfigWriteFunc *config_write;
85 /* ??? This is a PC-specific hack, and should be removed. */
88 /* IRQ objects for the INTA-INTD pins. */
91 /* Current IRQ levels. Used internally by the generic PCI code. */
95 PCIDevice *pci_register_device(PCIBus *bus, const char *name,
96 int instance_size, int devfn,
97 PCIConfigReadFunc *config_read,
98 PCIConfigWriteFunc *config_write);
100 void pci_register_io_region(PCIDevice *pci_dev, int region_num,
101 uint32_t size, int type,
102 PCIMapIORegionFunc *map_func);
104 uint32_t pci_default_read_config(PCIDevice *d,
105 uint32_t address, int len);
106 void pci_default_write_config(PCIDevice *d,
107 uint32_t address, uint32_t val, int len);
108 void pci_device_save(PCIDevice *s, QEMUFile *f);
109 int pci_device_load(PCIDevice *s, QEMUFile *f);
111 typedef void (*pci_set_irq_fn)(qemu_irq *pic, int irq_num, int level);
112 typedef int (*pci_map_irq_fn)(PCIDevice *pci_dev, int irq_num);
113 PCIBus *pci_register_bus(pci_set_irq_fn set_irq, pci_map_irq_fn map_irq,
114 qemu_irq *pic, int devfn_min, int nirq);
116 void pci_nic_init(PCIBus *bus, NICInfo *nd, int devfn);
117 void pci_data_write(void *opaque, uint32_t addr, uint32_t val, int len);
118 uint32_t pci_data_read(void *opaque, uint32_t addr, int len);
119 int pci_bus_num(PCIBus *s);
120 void pci_for_each_device(int bus_num, void (*fn)(PCIDevice *d));
123 PCIBus *pci_bridge_init(PCIBus *bus, int devfn, uint32_t id,
124 pci_map_irq_fn map_irq, const char *name);
127 #define LSI_MAX_DEVS 7
128 void lsi_scsi_attach(void *opaque, BlockDriverState *bd, int id);
129 void *lsi_scsi_init(PCIBus *bus, int devfn);
132 void pci_vmsvga_init(PCIBus *bus, DisplayState *ds, uint8_t *vga_ram_base,
133 unsigned long vga_ram_offset, int vga_ram_size);
136 void usb_uhci_piix3_init(PCIBus *bus, int devfn);
137 void usb_uhci_piix4_init(PCIBus *bus, int devfn);
140 void usb_ohci_init_pci(struct PCIBus *bus, int num_ports, int devfn);
144 void pci_i82551_init(PCIBus *bus, NICInfo *nd, int devfn);
145 void pci_i82557b_init(PCIBus *bus, NICInfo *nd, int devfn);
146 void pci_i82559er_init(PCIBus *bus, NICInfo *nd, int devfn);
150 void pci_ne2000_init(PCIBus *bus, NICInfo *nd, int devfn);
154 void pci_rtl8139_init(PCIBus *bus, NICInfo *nd, int devfn);
157 void pci_e1000_init(PCIBus *bus, NICInfo *nd, int devfn);
160 void pci_pcnet_init(PCIBus *bus, NICInfo *nd, int devfn);
163 PCIBus *pci_prep_init(qemu_irq *pic);
166 PCIBus *pci_apb_init(target_phys_addr_t special_base, target_phys_addr_t mem_base,
170 PCIBus *sh_pci_register_bus(pci_set_irq_fn set_irq, pci_map_irq_fn map_irq,
171 qemu_irq *pic, int devfn_min, int nirq);