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