hw/pci.h

   1 #ifndef QEMU_PCI_H
   2 #define QEMU_PCI_H
   3
   4 #include "qemu-common.h"
   5
   6 #include "qdev.h"
   7
   8 /* PCI includes legacy ISA access.  */
   9 #include "isa.h"
  10
  11 /* PCI bus */
  12
  13 extern target_phys_addr_t pci_mem_base;
  14
  15 #define PCI_DEVFN(slot, func)   ((((slot) & 0x1f) << 3) | ((func) & 0x07))
  16 #define PCI_SLOT(devfn)         (((devfn) >> 3) & 0x1f)
  17 #define PCI_FUNC(devfn)         ((devfn) & 0x07)
  18
  19 /* Class, Vendor and Device IDs from Linux's pci_ids.h */
  20 #include "pci_ids.h"
  21
  22 /* QEMU-specific Vendor and Device ID definitions */
  23
  24 /* IBM (0x1014) */
  25 #define PCI_DEVICE_ID_IBM_440GX          0x027f
  26 #define PCI_DEVICE_ID_IBM_OPENPIC2       0xffff
  27
  28 /* Hitachi (0x1054) */
  29 #define PCI_VENDOR_ID_HITACHI            0x1054
  30 #define PCI_DEVICE_ID_HITACHI_SH7751R    0x350e
  31
  32 /* Apple (0x106b) */
  33 #define PCI_DEVICE_ID_APPLE_343S1201     0x0010
  34 #define PCI_DEVICE_ID_APPLE_UNI_N_I_PCI  0x001e
  35 #define PCI_DEVICE_ID_APPLE_UNI_N_PCI    0x001f
  36 #define PCI_DEVICE_ID_APPLE_UNI_N_KEYL   0x0022
  37 #define PCI_DEVICE_ID_APPLE_IPID_USB     0x003f
  38
  39 /* Realtek (0x10ec) */
  40 #define PCI_DEVICE_ID_REALTEK_8029       0x8029
  41
  42 /* Xilinx (0x10ee) */
  43 #define PCI_DEVICE_ID_XILINX_XC2VP30     0x0300
  44
  45 /* Marvell (0x11ab) */
  46 #define PCI_DEVICE_ID_MARVELL_GT6412X    0x4620
  47
  48 /* QEMU/Bochs VGA (0x1234) */
  49 #define PCI_VENDOR_ID_QEMU               0x1234
  50 #define PCI_DEVICE_ID_QEMU_VGA           0x1111
  51
  52 /* VMWare (0x15ad) */
  53 #define PCI_VENDOR_ID_VMWARE             0x15ad
  54 #define PCI_DEVICE_ID_VMWARE_SVGA2       0x0405
  55 #define PCI_DEVICE_ID_VMWARE_SVGA        0x0710
  56 #define PCI_DEVICE_ID_VMWARE_NET         0x0720
  57 #define PCI_DEVICE_ID_VMWARE_SCSI        0x0730
  58 #define PCI_DEVICE_ID_VMWARE_IDE         0x1729
  59
  60 /* Intel (0x8086) */
  61 #define PCI_DEVICE_ID_INTEL_82551IT      0x1209
  62
  63 /* Red Hat / Qumranet (for QEMU) -- see pci-ids.txt */
  64 #define PCI_VENDOR_ID_REDHAT_QUMRANET    0x1af4
  65 #define PCI_SUBVENDOR_ID_REDHAT_QUMRANET 0x1af4
  66 #define PCI_SUBDEVICE_ID_QEMU            0x1100
  67
  68 #define PCI_DEVICE_ID_VIRTIO_NET         0x1000
  69 #define PCI_DEVICE_ID_VIRTIO_BLOCK       0x1001
  70 #define PCI_DEVICE_ID_VIRTIO_BALLOON     0x1002
  71 #define PCI_DEVICE_ID_VIRTIO_CONSOLE     0x1003
  72
  73 typedef void PCIConfigWriteFunc(PCIDevice *pci_dev,
  74                                 uint32_t address, uint32_t data, int len);
  75 typedef uint32_t PCIConfigReadFunc(PCIDevice *pci_dev,
  76                                    uint32_t address, int len);
  77 typedef void PCIMapIORegionFunc(PCIDevice *pci_dev, int region_num,
  78                                 uint32_t addr, uint32_t size, int type);
  79 typedef int PCIUnregisterFunc(PCIDevice *pci_dev);
  80
  81 #define PCI_ADDRESS_SPACE_MEM           0x00
  82 #define PCI_ADDRESS_SPACE_IO            0x01
  83 #define PCI_ADDRESS_SPACE_MEM_PREFETCH  0x08
  84
  85 typedef struct PCIIORegion {
  86     uint32_t addr; /* current PCI mapping address. -1 means not mapped */
  87     uint32_t size;
  88     uint8_t type;
  89     PCIMapIORegionFunc *map_func;
  90 } PCIIORegion;
  91
  92 #define PCI_ROM_SLOT 6
  93 #define PCI_NUM_REGIONS 7
  94
  95 #define PCI_DEVICES_MAX 64
  96
  97 /* Declarations from linux/pci_regs.h */
  98 #define PCI_VENDOR_ID           0x00    /* 16 bits */
  99 #define PCI_DEVICE_ID           0x02    /* 16 bits */
 100 #define PCI_COMMAND             0x04    /* 16 bits */
 101 #define  PCI_COMMAND_IO         0x1     /* Enable response in I/O space */
 102 #define  PCI_COMMAND_MEMORY     0x2     /* Enable response in Memory space */
 103 #define PCI_STATUS              0x06    /* 16 bits */
 104 #define PCI_REVISION_ID         0x08    /* 8 bits  */
 105 #define PCI_CLASS_DEVICE        0x0a    /* Device class */
 106 #define PCI_HEADER_TYPE         0x0e    /* 8 bits */
 107 #define  PCI_HEADER_TYPE_NORMAL         0
 108 #define  PCI_HEADER_TYPE_BRIDGE         1
 109 #define  PCI_HEADER_TYPE_CARDBUS        2
 110 #define  PCI_HEADER_TYPE_MULTI_FUNCTION 0x80
 111 #define PCI_SUBSYSTEM_VENDOR_ID 0x2c    /* 16 bits */
 112 #define PCI_SUBSYSTEM_ID        0x2e    /* 16 bits */
 113 #define PCI_INTERRUPT_LINE      0x3c    /* 8 bits */
 114 #define PCI_INTERRUPT_PIN       0x3d    /* 8 bits */
 115 #define PCI_MIN_GNT             0x3e    /* 8 bits */
 116 #define PCI_MAX_LAT             0x3f    /* 8 bits */
 117
 118 #define PCI_REVISION            0x08    /* obsolete, use PCI_REVISION_ID */
 119 #define PCI_SUBVENDOR_ID        0x2c    /* obsolete, use PCI_SUBSYSTEM_VENDOR_ID */
 120 #define PCI_SUBDEVICE_ID        0x2e    /* obsolete, use PCI_SUBSYSTEM_ID */
 121
 122 /* Bits in the PCI Status Register (PCI 2.3 spec) */
 123 #define PCI_STATUS_RESERVED1    0x007
 124 #define PCI_STATUS_INT_STATUS   0x008
 125 #define PCI_STATUS_CAPABILITIES 0x010
 126 #define PCI_STATUS_66MHZ        0x020
 127 #define PCI_STATUS_RESERVED2    0x040
 128 #define PCI_STATUS_FAST_BACK    0x080
 129 #define PCI_STATUS_DEVSEL       0x600
 130
 131 #define PCI_STATUS_RESERVED_MASK_LO (PCI_STATUS_RESERVED1 | \
 132                 PCI_STATUS_INT_STATUS | PCI_STATUS_CAPABILITIES | \
 133                 PCI_STATUS_66MHZ | PCI_STATUS_RESERVED2 | PCI_STATUS_FAST_BACK)
 134
 135 #define PCI_STATUS_RESERVED_MASK_HI (PCI_STATUS_DEVSEL >> 8)
 136
 137 /* Bits in the PCI Command Register (PCI 2.3 spec) */
 138 #define PCI_COMMAND_RESERVED    0xf800
 139
 140 #define PCI_COMMAND_RESERVED_MASK_HI (PCI_COMMAND_RESERVED >> 8)
 141
 142 struct PCIDevice {
 143     DeviceState qdev;
 144     /* PCI config space */
 145     uint8_t config[256];
 146
 147     /* the following fields are read only */
 148     PCIBus *bus;
 149     int devfn;
 150     char name[64];
 151     PCIIORegion io_regions[PCI_NUM_REGIONS];
 152
 153     /* do not access the following fields */
 154     PCIConfigReadFunc *config_read;
 155     PCIConfigWriteFunc *config_write;
 156     PCIUnregisterFunc *unregister;
 157     /* ??? This is a PC-specific hack, and should be removed.  */
 158     int irq_index;
 159
 160     /* IRQ objects for the INTA-INTD pins.  */
 161     qemu_irq *irq;
 162
 163     /* Current IRQ levels.  Used internally by the generic PCI code.  */
 164     int irq_state[4];
 165 };
 166
 167 PCIDevice *pci_register_device(PCIBus *bus, const char *name,
 168                                int instance_size, int devfn,
 169                                PCIConfigReadFunc *config_read,
 170                                PCIConfigWriteFunc *config_write);
 171 int pci_unregister_device(PCIDevice *pci_dev);
 172
 173 void pci_register_io_region(PCIDevice *pci_dev, int region_num,
 174                             uint32_t size, int type,
 175                             PCIMapIORegionFunc *map_func);
 176
 177 uint32_t pci_default_read_config(PCIDevice *d,
 178                                  uint32_t address, int len);
 179 void pci_default_write_config(PCIDevice *d,
 180                               uint32_t address, uint32_t val, int len);
 181 void pci_device_save(PCIDevice *s, QEMUFile *f);
 182 int pci_device_load(PCIDevice *s, QEMUFile *f);
 183
 184 typedef void (*pci_set_irq_fn)(qemu_irq *pic, int irq_num, int level);
 185 typedef int (*pci_map_irq_fn)(PCIDevice *pci_dev, int irq_num);
 186 PCIBus *pci_register_bus(pci_set_irq_fn set_irq, pci_map_irq_fn map_irq,
 187                          qemu_irq *pic, int devfn_min, int nirq);
 188
 189 PCIDevice *pci_nic_init(PCIBus *bus, NICInfo *nd, int devfn,
 190                   const char *default_model);
 191 void pci_data_write(void *opaque, uint32_t addr, uint32_t val, int len);
 192 uint32_t pci_data_read(void *opaque, uint32_t addr, int len);
 193 int pci_bus_num(PCIBus *s);
 194 void pci_for_each_device(int bus_num, void (*fn)(PCIDevice *d));
 195 PCIBus *pci_find_bus(int bus_num);
 196 PCIDevice *pci_find_device(int bus_num, int slot, int function);
 197
 198 int pci_read_devaddr(const char *addr, int *domp, int *busp, unsigned *slotp);
 199 int pci_assign_devaddr(const char *addr, int *domp, int *busp, unsigned *slotp);
 200
 201 void pci_info(Monitor *mon);
 202 PCIBus *pci_bridge_init(PCIBus *bus, int devfn, uint16_t vid, uint16_t did,
 203                         pci_map_irq_fn map_irq, const char *name);
 204
 205 static inline void
 206 pci_config_set_vendor_id(uint8_t *pci_config, uint16_t val)
 207 {
 208     cpu_to_le16wu((uint16_t *)&pci_config[PCI_VENDOR_ID], val);
 209 }
 210
 211 static inline void
 212 pci_config_set_device_id(uint8_t *pci_config, uint16_t val)
 213 {
 214     cpu_to_le16wu((uint16_t *)&pci_config[PCI_DEVICE_ID], val);
 215 }
 216
 217 static inline void
 218 pci_config_set_class(uint8_t *pci_config, uint16_t val)
 219 {
 220     cpu_to_le16wu((uint16_t *)&pci_config[PCI_CLASS_DEVICE], val);
 221 }
 222
 223 typedef void (*pci_qdev_initfn)(PCIDevice *dev);
 224 void pci_qdev_register(const char *name, int size, pci_qdev_initfn init);
 225
 226 PCIDevice *pci_create_simple(PCIBus *bus, int devfn, const char *name);
 227
 228 /* lsi53c895a.c */
 229 #define LSI_MAX_DEVS 7
 230 void lsi_scsi_attach(DeviceState *host, BlockDriverState *bd, int id);
 231
 232 /* vmware_vga.c */
 233 void pci_vmsvga_init(PCIBus *bus);
 234
 235 /* usb-uhci.c */
 236 void usb_uhci_piix3_init(PCIBus *bus, int devfn);
 237 void usb_uhci_piix4_init(PCIBus *bus, int devfn);
 238
 239 /* usb-ohci.c */
 240 void usb_ohci_init_pci(struct PCIBus *bus, int num_ports, int devfn);
 241
 242 /* prep_pci.c */
 243 PCIBus *pci_prep_init(qemu_irq *pic);
 244
 245 /* apb_pci.c */
 246 PCIBus *pci_apb_init(target_phys_addr_t special_base,
 247                      target_phys_addr_t mem_base,
 248                      qemu_irq *pic, PCIBus **bus2, PCIBus **bus3);
 249
 250 /* sh_pci.c */
 251 PCIBus *sh_pci_register_bus(pci_set_irq_fn set_irq, pci_map_irq_fn map_irq,
 252                             qemu_irq *pic, int devfn_min, int nirq);
 253
 254 #endif