LXR qemu/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
   6enum {
   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
  13typedef 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
  20typedef struct XenHostPCIDevice {
  21    uint16_t domain;
  22    uint8_t bus;
  23    uint8_t dev;
  24    uint8_t func;
  25
  26    uint16_t vendor_id;
  27    uint16_t device_id;
  28    uint32_t class_code;
  29    int irq;
  30
  31    XenHostPCIIORegion io_regions[PCI_NUM_REGIONS - 1];
  32    XenHostPCIIORegion rom;
  33
  34    bool is_virtfn;
  35
  36    int config_fd;
  37} XenHostPCIDevice;
  38
  39void xen_host_pci_device_get(XenHostPCIDevice *d, uint16_t domain,
  40                             uint8_t bus, uint8_t dev, uint8_t func,
  41                             Error **errp);
  42void xen_host_pci_device_put(XenHostPCIDevice *pci_dev);
  43bool xen_host_pci_device_closed(XenHostPCIDevice *d);
  44
  45int xen_host_pci_get_byte(XenHostPCIDevice *d, int pos, uint8_t *p);
  46int xen_host_pci_get_word(XenHostPCIDevice *d, int pos, uint16_t *p);
  47int xen_host_pci_get_long(XenHostPCIDevice *d, int pos, uint32_t *p);
  48int xen_host_pci_get_block(XenHostPCIDevice *d, int pos, uint8_t *buf,
  49                           int len);
  50int xen_host_pci_set_byte(XenHostPCIDevice *d, int pos, uint8_t data);
  51int xen_host_pci_set_word(XenHostPCIDevice *d, int pos, uint16_t data);
  52int xen_host_pci_set_long(XenHostPCIDevice *d, int pos, uint32_t data);
  53int xen_host_pci_set_block(XenHostPCIDevice *d, int pos, uint8_t *buf,
  54                           int len);
  55
  56int xen_host_pci_find_ext_cap_offset(XenHostPCIDevice *s, uint32_t cap);
  57
  58#endif /* !XEN_HOST_PCI_DEVICE_H_ */
  59