pci/pcidevice.cpp

   1 class PCIDevice : public Device
   2 {
   3 public:
   4     void rw_config(uint8_t addr, unsigned len, uint32_t *data, bool read);
   5
   6 protected:
   7     uint16_t vendor_id;
   8     uint16_t device_id;
   9     uint16_t command;
  10     uint16_t status;
  11     uint8_t rid;
  12     uint8_t prog_if;
  13     uint8_t subclass_code;
  14     uint8_t class_code;
  15     uint8_t cls;
  16     uint8_t mlt;
  17     uint8_t headt;
  18     uint8_t bist;
  19     Array<uint32_t, 6> bar;
  20     uint32_t ccp;
  21     uint16_t subvendor_id;
  22     uint16_t subdevice_id;
  23     uint32_t rom_bar;
  24     uint8_t cap;
  25     uint8_t int_line;
  26     uint8_t int_pin;
  27     uint8_t min_gnt;
  28     uint8_t max_lat;
  29 };
  30
  31 void PCIDevice::config_rw(uint8_t addr, unsigned len, uint32_t *data, bool read)
  32 {
  33     RegisterIO reg(addr, len, data, read);
  34
  35     /* These are required to be implemented */
  36     reg.io(&this->vendor_id, 0x00, READONLY);
  37     reg.io(&this->device_id, 0x02, READONLY);
  38     reg.io(&this->command, 0x04);
  39     reg.io(&this->status, 0x06);
  40     reg.io(&this->rid, 0x08, READONLY);
  41     reg.io(&this->prog_if, 0x09, READONLY);
  42     reg.io(&this->subclass_code, 0x0A, READONLY);
  43     reg.io(&this->class_code, 0x0B, READONLY);
  44     reg.io(&this->headt, 0x0E);
  45 }
  46
  47
  48 struct MemoryRegion
  49 {
  50     uint64_t start;
  51     uint64_t size;
  52 };
  53