xen-host-pci-device.h (1826B)
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 */