qemu/hw/pci.h

   1 #ifndef QEMU_PCI_H
   2 #define QEMU_PCI_H
   3
   4 #include "qemu-common.h"
   5
   6 /* PCI includes legacy ISA access.  */
   7 #include "isa.h"
   8
   9 /* imported from <linux/pci.h> */
  10 #define PCI_SLOT(devfn)         (((devfn) >> 3) & 0x1f)
  11 #define PCI_FUNC(devfn)         ((devfn) & 0x07)
  12
  13 /* PCI bus */
  14 extern target_phys_addr_t pci_mem_base;
  15
  16 #define PCI_DEVFN(slot, func)   ((((slot) & 0x1f) << 3) | ((func) & 0x07))
  17 #define PCI_SLOT(devfn)         (((devfn) >> 3) & 0x1f)
  18 #define PCI_FUNC(devfn)         ((devfn) & 0x07)
  19
  20 /* Class, Vendor and Device IDs from Linux's pci_ids.h */
  21 #include "pci_ids.h"
  22
  23 /* QEMU-specific Vendor and Device ID definitions */
  24
  25 /* IBM (0x1014) */
  26 #define PCI_DEVICE_ID_IBM_440GX          0x027f
  27 #define PCI_DEVICE_ID_IBM_OPENPIC2       0xffff
  28
  29 /* Hitachi (0x1054) */
  30 #define PCI_VENDOR_ID_HITACHI            0x1054
  31 #define PCI_DEVICE_ID_HITACHI_SH7751R    0x350e
  32
  33 /* Apple (0x106b) */
  34 #define PCI_DEVICE_ID_APPLE_343S1201     0x0010
  35 #define PCI_DEVICE_ID_APPLE_UNI_N_I_PCI  0x001e
  36 #define PCI_DEVICE_ID_APPLE_UNI_N_PCI    0x001f
  37 #define PCI_DEVICE_ID_APPLE_UNI_N_KEYL   0x0022
  38 #define PCI_DEVICE_ID_APPLE_IPID_USB     0x003f
  39
  40 /* Realtek (0x10ec) */
  41 #define PCI_DEVICE_ID_REALTEK_8029       0x8029
  42
  43 /* Xilinx (0x10ee) */
  44 #define PCI_DEVICE_ID_XILINX_XC2VP30     0x0300
  45
  46 /* Marvell (0x11ab) */
  47 #define PCI_DEVICE_ID_MARVELL_GT6412X    0x4620
  48
  49 /* QEMU/Bochs VGA (0x1234) */
  50 #define PCI_VENDOR_ID_QEMU               0x1234
  51 #define PCI_DEVICE_ID_QEMU_VGA           0x1111
  52
  53 /* VMWare (0x15ad) */
  54 #define PCI_VENDOR_ID_VMWARE             0x15ad
  55 #define PCI_DEVICE_ID_VMWARE_SVGA2       0x0405
  56 #define PCI_DEVICE_ID_VMWARE_SVGA        0x0710
  57 #define PCI_DEVICE_ID_VMWARE_NET         0x0720
  58 #define PCI_DEVICE_ID_VMWARE_SCSI        0x0730
  59 #define PCI_DEVICE_ID_VMWARE_IDE         0x1729
  60
  61 /* Intel (0x8086) */
  62 #define PCI_DEVICE_ID_INTEL_82551IT      0x1209
  63
  64 /* Red Hat / Qumranet (for QEMU) -- see pci-ids.txt */
  65 #define PCI_VENDOR_ID_REDHAT_QUMRANET    0x1af4
  66 #define PCI_SUBVENDOR_ID_REDHAT_QUMRANET 0x1af4
  67 #define PCI_SUBDEVICE_ID_QEMU            0x1100
  68
  69 #define PCI_DEVICE_ID_VIRTIO_NET         0x1000
  70 #define PCI_DEVICE_ID_VIRTIO_BLOCK       0x1001
  71 #define PCI_DEVICE_ID_VIRTIO_BALLOON     0x1002
  72 #define PCI_DEVICE_ID_VIRTIO_CONSOLE     0x1003
  73
  74 typedef void PCIConfigWriteFunc(PCIDevice *pci_dev,
  75                                 uint32_t address, uint32_t data, int len);
  76 typedef uint32_t PCIConfigReadFunc(PCIDevice *pci_dev,
  77                                    uint32_t address, int len);
  78 typedef void PCIMapIORegionFunc(PCIDevice *pci_dev, int region_num,
  79                                 uint32_t addr, uint32_t size, int type);
  80 typedef int PCIUnregisterFunc(PCIDevice *pci_dev);
  81
  82 typedef void PCICapConfigWriteFunc(PCIDevice *pci_dev,
  83                                    uint32_t address, uint32_t val, int len);
  84 typedef uint32_t PCICapConfigReadFunc(PCIDevice *pci_dev,
  85                                       uint32_t address, int len);
  86 typedef int PCICapConfigInitFunc(PCIDevice *pci_dev);
  87
  88 #define PCI_ADDRESS_SPACE_MEM           0x00
  89 #define PCI_ADDRESS_SPACE_IO            0x01
  90 #define PCI_ADDRESS_SPACE_MEM_PREFETCH  0x08
  91
  92 typedef struct PCIIORegion {
  93     uint32_t addr; /* current PCI mapping address. -1 means not mapped */
  94     uint32_t size;
  95     uint8_t type;
  96     PCIMapIORegionFunc *map_func;
  97 } PCIIORegion;
  98
  99 #define PCI_ROM_SLOT 6
 100 #define PCI_NUM_REGIONS 7
 101
 102 #define PCI_DEVICES_MAX 64
 103
 104 /* Declarations from linux/pci_regs.h */
 105 #define PCI_VENDOR_ID           0x00    /* 16 bits */
 106 #define PCI_DEVICE_ID           0x02    /* 16 bits */
 107 #define PCI_COMMAND             0x04    /* 16 bits */
 108 #define  PCI_COMMAND_IO         0x1     /* Enable response in I/O space */
 109 #define  PCI_COMMAND_MEMORY     0x2     /* Enable response in Memory space */
 110 #define PCI_STATUS              0x06    /* 16 bits */
 111 #define PCI_REVISION_ID         0x08    /* 8 bits  */
 112 #define PCI_CLASS_DEVICE        0x0a    /* Device class */
 113 #define PCI_HEADER_TYPE         0x0e    /* 8 bits */
 114 #define PCI_SUBSYSTEM_VENDOR_ID 0x2c    /* 16 bits */
 115 #define PCI_SUBSYSTEM_ID        0x2e    /* 16 bits */
 116 #define PCI_CAPABILITY_LIST     0x34
 117 #define PCI_INTERRUPT_LINE      0x3c    /* 8 bits */
 118 #define PCI_INTERRUPT_PIN       0x3d    /* 8 bits */
 119 #define PCI_MIN_GNT             0x3e    /* 8 bits */
 120 #define PCI_MAX_LAT             0x3f    /* 8 bits */
 121
 122 #define PCI_REVISION            0x08    /* obsolete, use PCI_REVISION_ID */
 123 #define PCI_SUBVENDOR_ID        0x2c    /* obsolete, use PCI_SUBSYSTEM_VENDOR_ID */
 124 #define PCI_SUBDEVICE_ID        0x2e    /* obsolete, use PCI_SUBSYSTEM_ID */
 125
 126 /* Bits in the PCI Status Register (PCI 2.3 spec) */
 127 #define PCI_STATUS_RESERVED1    0x007
 128 #define PCI_STATUS_INT_STATUS   0x008
 129 #define PCI_STATUS_CAPABILITIES 0x010
 130
 131 #ifndef PCI_STATUS_66MHZ
 132 #define PCI_STATUS_66MHZ        0x020
 133 #endif
 134
 135 #define PCI_STATUS_RESERVED2    0x040
 136
 137 #ifndef PCI_STATUS_FAST_BACK
 138 #define PCI_STATUS_FAST_BACK    0x080
 139 #endif
 140
 141 #define PCI_STATUS_DEVSEL       0x600
 142
 143 #define PCI_STATUS_RESERVED_MASK_LO (PCI_STATUS_RESERVED1 | \
 144                 PCI_STATUS_INT_STATUS | PCI_STATUS_CAPABILITIES | \
 145                 PCI_STATUS_66MHZ | PCI_STATUS_RESERVED2 | PCI_STATUS_FAST_BACK)
 146
 147 #define PCI_STATUS_RESERVED_MASK_HI (PCI_STATUS_DEVSEL >> 8)
 148
 149 /* Bits in the PCI Command Register (PCI 2.3 spec) */
 150 #define PCI_COMMAND_RESERVED    0xf800
 151
 152 #define PCI_COMMAND_RESERVED_MASK_HI (PCI_COMMAND_RESERVED >> 8)
 153
 154 #define PCI_CAPABILITY_CONFIG_MAX_LENGTH 0x60
 155 #define PCI_CAPABILITY_CONFIG_DEFAULT_START_ADDR 0x40
 156 #define PCI_CAPABILITY_CONFIG_MSI_LENGTH 0x10
 157 #define PCI_CAPABILITY_CONFIG_MSIX_LENGTH 0x10
 158
 159 struct PCIDevice {
 160     /* PCI config space */
 161     uint8_t config[256];
 162
 163     /* the following fields are read only */
 164     PCIBus *bus;
 165     int devfn;
 166     char name[64];
 167     PCIIORegion io_regions[PCI_NUM_REGIONS];
 168
 169     /* do not access the following fields */
 170     PCIConfigReadFunc *config_read;
 171     PCIConfigWriteFunc *config_write;
 172     PCIUnregisterFunc *unregister;
 173     /* ??? This is a PC-specific hack, and should be removed.  */
 174     int irq_index;
 175
 176     /* IRQ objects for the INTA-INTD pins.  */
 177     qemu_irq *irq;
 178
 179     /* Current IRQ levels.  Used internally by the generic PCI code.  */
 180     int irq_state[4];
 181
 182     /* Device capability configuration space */
 183     struct {
 184         int supported;
 185         unsigned int start, length;
 186         PCICapConfigReadFunc *config_read;
 187         PCICapConfigWriteFunc *config_write;
 188     } cap;
 189 };
 190
 191 PCIDevice *pci_register_device(PCIBus *bus, const char *name,
 192                                int instance_size, int devfn,
 193                                PCIConfigReadFunc *config_read,
 194                                PCIConfigWriteFunc *config_write);
 195 int pci_unregister_device(PCIDevice *pci_dev);
 196
 197 void pci_register_io_region(PCIDevice *pci_dev, int region_num,
 198                             uint32_t size, int type,
 199                             PCIMapIORegionFunc *map_func);
 200
 201 int pci_enable_capability_support(PCIDevice *pci_dev,
 202                                   uint32_t config_start,
 203                                   PCICapConfigReadFunc *config_read,
 204                                   PCICapConfigWriteFunc *config_write,
 205                                   PCICapConfigInitFunc *config_init);
 206
 207 int pci_map_irq(PCIDevice *pci_dev, int pin);
 208 uint32_t pci_default_read_config(PCIDevice *d,
 209                                  uint32_t address, int len);
 210 void pci_default_write_config(PCIDevice *d,
 211                               uint32_t address, uint32_t val, int len);
 212 void pci_device_save(PCIDevice *s, QEMUFile *f);
 213 int pci_device_load(PCIDevice *s, QEMUFile *f);
 214 uint32_t pci_default_cap_read_config(PCIDevice *pci_dev,
 215                                      uint32_t address, int len);
 216 void pci_default_cap_write_config(PCIDevice *pci_dev,
 217                                   uint32_t address, uint32_t val, int len);
 218 int pci_access_cap_config(PCIDevice *pci_dev, uint32_t address, int len);
 219
 220 typedef void (*pci_set_irq_fn)(qemu_irq *pic, int irq_num, int level);
 221 typedef int (*pci_map_irq_fn)(PCIDevice *pci_dev, int irq_num);
 222 PCIBus *pci_register_bus(pci_set_irq_fn set_irq, pci_map_irq_fn map_irq,
 223                          qemu_irq *pic, int devfn_min, int nirq);
 224
 225 PCIDevice *pci_nic_init(PCIBus *bus, NICInfo *nd, int devfn,
 226                   const char *default_model);
 227 void pci_data_write(void *opaque, uint32_t addr, uint32_t val, int len);
 228 uint32_t pci_data_read(void *opaque, uint32_t addr, int len);
 229 int pci_bus_num(PCIBus *s);
 230 void pci_for_each_device(int bus_num, void (*fn)(PCIDevice *d));
 231 PCIBus *pci_find_bus(int bus_num);
 232 PCIDevice *pci_find_device(int bus_num, int slot, int function);
 233
 234 int pci_read_devaddr(const char *addr, int *domp, int *busp, unsigned *slotp);
 235 int pci_assign_devaddr(const char *addr, int *domp, int *busp, unsigned *slotp);
 236
 237 int pci_parse_host_devaddr(const char *addr, int *busp,
 238                            int *slotp, int *funcp);
 239
 240 void pci_info(Monitor *mon);
 241 PCIBus *pci_bridge_init(PCIBus *bus, int devfn, uint16_t vid, uint16_t did,
 242                         pci_map_irq_fn map_irq, const char *name);
 243
 244 static inline void
 245 pci_config_set_vendor_id(uint8_t *pci_config, uint16_t val)
 246 {
 247     cpu_to_le16wu((uint16_t *)&pci_config[PCI_VENDOR_ID], val);
 248 }
 249
 250 static inline void
 251 pci_config_set_device_id(uint8_t *pci_config, uint16_t val)
 252 {
 253     cpu_to_le16wu((uint16_t *)&pci_config[PCI_DEVICE_ID], val);
 254 }
 255
 256 static inline void
 257 pci_config_set_class(uint8_t *pci_config, uint16_t val)
 258 {
 259     cpu_to_le16wu((uint16_t *)&pci_config[PCI_CLASS_DEVICE], val);
 260 }
 261
 262 /* lsi53c895a.c */
 263 #define LSI_MAX_DEVS 7
 264 void lsi_scsi_attach(void *opaque, BlockDriverState *bd, int id);
 265 void *lsi_scsi_init(PCIBus *bus, int devfn);
 266
 267 /* vmware_vga.c */
 268 void pci_vmsvga_init(PCIBus *bus, uint8_t *vga_ram_base,
 269                      unsigned long vga_ram_offset, int vga_ram_size);
 270
 271 /* usb-uhci.c */
 272 void usb_uhci_piix3_init(PCIBus *bus, int devfn);
 273 void usb_uhci_piix4_init(PCIBus *bus, int devfn);
 274
 275 /* usb-ohci.c */
 276 void usb_ohci_init_pci(struct PCIBus *bus, int num_ports, int devfn);
 277
 278 /* eepro100.c */
 279
 280 PCIDevice *pci_i82551_init(PCIBus *bus, NICInfo *nd, int devfn);
 281 PCIDevice *pci_i82557b_init(PCIBus *bus, NICInfo *nd, int devfn);
 282 PCIDevice *pci_i82559er_init(PCIBus *bus, NICInfo *nd, int devfn);
 283
 284 /* ne2000.c */
 285
 286 PCIDevice *pci_ne2000_init(PCIBus *bus, NICInfo *nd, int devfn);
 287
 288 /* rtl8139.c */
 289
 290 PCIDevice *pci_rtl8139_init(PCIBus *bus, NICInfo *nd, int devfn);
 291
 292 /* e1000.c */
 293 PCIDevice *pci_e1000_init(PCIBus *bus, NICInfo *nd, int devfn);
 294
 295 /* pcnet.c */
 296 PCIDevice *pci_pcnet_init(PCIBus *bus, NICInfo *nd, int devfn);
 297
 298 /* prep_pci.c */
 299 PCIBus *pci_prep_init(qemu_irq *pic);
 300
 301 /* apb_pci.c */
 302 PCIBus *pci_apb_init(target_phys_addr_t special_base,
 303                      target_phys_addr_t mem_base,
 304                      qemu_irq *pic, PCIBus **bus2, PCIBus **bus3);
 305
 306 /* sh_pci.c */
 307 PCIBus *sh_pci_register_bus(pci_set_irq_fn set_irq, pci_map_irq_fn map_irq,
 308                             qemu_irq *pic, int devfn_min, int nirq);
 309
 310 #endif