hw/xen/xen-host-pci-device.h

   1 #ifndef XEN_HOST_PCI_DEVICE_H
   2 #define XEN_HOST_PCI_DEVICE_H
   3
   4 #include "hw/pci/pci.h"
   5
   6 enum {
   7     XEN_HOST_PCI_REGION_TYPE_IO = 1 << 1,
   8     XEN_HOST_PCI_REGION_TYPE_MEM = 1 << 2,
   9     XEN_HOST_PCI_REGION_TYPE_PREFETCH = 1 << 3,
  10     XEN_HOST_PCI_REGION_TYPE_MEM_64 = 1 << 4,
  11 };
  12
  13 typedef struct XenHostPCIIORegion {
  14     pcibus_t base_addr;
  15     pcibus_t size;
  16     uint8_t type;
  17     uint8_t bus_flags; /* Bus-specific bits */
  18 } XenHostPCIIORegion;
  19
  20 typedef struct XenHostPCIDevice {
  21     uint16_t domain;
  22     uint8_t bus;
  23     uint8_t dev;
  24     uint8_t func;
  25
  26     /* different from the above in case of stubdomain */
  27     uint16_t local_domain;
  28     uint8_t local_bus;
  29     uint8_t local_dev;
  30     uint8_t local_func;
  31
  32     uint16_t vendor_id;
  33     uint16_t device_id;
  34     uint32_t class_code;
  35     int irq;
  36
  37     XenHostPCIIORegion io_regions[PCI_NUM_REGIONS - 1];
  38     XenHostPCIIORegion rom;
  39
  40     bool is_virtfn;
  41
  42     int config_fd;
  43 } XenHostPCIDevice;
  44
  45 void xen_host_pci_device_get(XenHostPCIDevice *d, uint16_t domain,
  46                              uint8_t bus, uint8_t dev, uint8_t func,
  47                              Error **errp);
  48 void xen_host_pci_device_put(XenHostPCIDevice *pci_dev);
  49 bool xen_host_pci_device_closed(XenHostPCIDevice *d);
  50
  51 int xen_host_pci_get_byte(XenHostPCIDevice *d, int pos, uint8_t *p);
  52 int xen_host_pci_get_word(XenHostPCIDevice *d, int pos, uint16_t *p);
  53 int xen_host_pci_get_long(XenHostPCIDevice *d, int pos, uint32_t *p);
  54 int xen_host_pci_get_block(XenHostPCIDevice *d, int pos, uint8_t *buf,
  55                            int len);
  56 int xen_host_pci_set_byte(XenHostPCIDevice *d, int pos, uint8_t data);
  57 int xen_host_pci_set_word(XenHostPCIDevice *d, int pos, uint16_t data);
  58 int xen_host_pci_set_long(XenHostPCIDevice *d, int pos, uint32_t data);
  59 int xen_host_pci_set_block(XenHostPCIDevice *d, int pos, uint8_t *buf,
  60                            int len);
  61
  62 int xen_host_pci_find_ext_cap_offset(XenHostPCIDevice *s, uint32_t cap);
  63
  64 #endif /* XEN_HOST_PCI_DEVICE_H */