1 /* SPDX-License-Identifier: GPL-2.0 */ 2 #ifndef __UM_VFIO_USER_H 3 #define __UM_VFIO_USER_H 4 5 struct uml_vfio_user_device { 6 int device; 7 8 struct { 9 uint64_t size; 10 uint64_t offset; 11 } *region; 12 int num_regions; 13 14 int32_t *irqfd; 15 int irq_count; 16 }; 17 18 int uml_vfio_user_open_container(void); 19 int uml_vfio_user_setup_iommu(int container); 20 21 int uml_vfio_user_get_group_id(const char *device); 22 int uml_vfio_user_open_group(int group_id); 23 int uml_vfio_user_set_container(int container, int group); 24 int uml_vfio_user_unset_container(int container, int group); 25 26 int uml_vfio_user_setup_device(struct uml_vfio_user_device *dev, 27 int group, const char *device); 28 void uml_vfio_user_teardown_device(struct uml_vfio_user_device *dev); 29 30 int uml_vfio_user_activate_irq(struct uml_vfio_user_device *dev, int index); 31 void uml_vfio_user_deactivate_irq(struct uml_vfio_user_device *dev, int index); 32 int uml_vfio_user_update_irqs(struct uml_vfio_user_device *dev); 33 34 int uml_vfio_user_cfgspace_read(struct uml_vfio_user_device *dev, 35 unsigned int offset, void *buf, int size); 36 int uml_vfio_user_cfgspace_write(struct uml_vfio_user_device *dev, 37 unsigned int offset, const void *buf, int size); 38 39 int uml_vfio_user_bar_read(struct uml_vfio_user_device *dev, int bar, 40 unsigned int offset, void *buf, int size); 41 int uml_vfio_user_bar_write(struct uml_vfio_user_device *dev, int bar, 42 unsigned int offset, const void *buf, int size); 43 44 #endif /* __UM_VFIO_USER_H */ 45