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 */ 65