113a7760fSPekka Enberg #ifndef KVM__IOPORT_H 213a7760fSPekka Enberg #define KVM__IOPORT_H 313a7760fSPekka Enberg 413a7760fSPekka Enberg #include <stdbool.h> 513a7760fSPekka Enberg #include <stdint.h> 613a7760fSPekka Enberg 7beb095ebSCyrill Gorcunov /* some ports we reserve for own use */ 8beb095ebSCyrill Gorcunov #define IOPORT_DBG 0xe0 978732ce2SAsias He #define IOPORT_VIRTIO 0xc200 10beb095ebSCyrill Gorcunov 1113a7760fSPekka Enberg struct kvm; 1213a7760fSPekka Enberg 1313a7760fSPekka Enberg struct ioport_operations { 1413a7760fSPekka Enberg bool (*io_in)(struct kvm *self, uint16_t port, void *data, int size, uint32_t count); 1513a7760fSPekka Enberg bool (*io_out)(struct kvm *self, uint16_t port, void *data, int size, uint32_t count); 1613a7760fSPekka Enberg }; 1713a7760fSPekka Enberg 183e553514SPekka Enberg void ioport__register(uint16_t port, struct ioport_operations *ops, int count); 1913a7760fSPekka Enberg 20*fbc2fbf9SPekka Enberg static inline uint8_t ioport__read8(uint8_t *data) 21*fbc2fbf9SPekka Enberg { 22*fbc2fbf9SPekka Enberg return *data; 23*fbc2fbf9SPekka Enberg } 24*fbc2fbf9SPekka Enberg 25*fbc2fbf9SPekka Enberg static inline uint32_t ioport__read32(uint32_t *data) 26*fbc2fbf9SPekka Enberg { 27*fbc2fbf9SPekka Enberg return *data; 28*fbc2fbf9SPekka Enberg } 29*fbc2fbf9SPekka Enberg 30*fbc2fbf9SPekka Enberg static inline void ioport__write8(uint8_t *data, uint8_t value) 31*fbc2fbf9SPekka Enberg { 32*fbc2fbf9SPekka Enberg *data = value; 33*fbc2fbf9SPekka Enberg } 34*fbc2fbf9SPekka Enberg 35*fbc2fbf9SPekka Enberg static inline void ioport__write32(uint32_t *data, uint32_t value) 36*fbc2fbf9SPekka Enberg { 37*fbc2fbf9SPekka Enberg *data = value; 38*fbc2fbf9SPekka Enberg } 39*fbc2fbf9SPekka Enberg 4013a7760fSPekka Enberg #endif /* KVM__IOPORT_H */ 41