passthrough.h

// SPDX-License-Identifier: LGPL-2.0

/*
 * Copyright (C) 2023 Rajat Khandelwal <rajat.khandelwal@intel.com>
 * Copyright (C) 2023 Intel Corporation
 */

#include <linux/vfio.h>

#include "host_regs.h"

struct vfio_hlvl_params {
	int container;
	int group;
	int device;
	struct vfio_device_info *dev_info;
	struct list_item *bar_regions;
	struct vfio_region_info *pci_cfg_region;
};

bool check_vfio_module(void);
struct pci_vdid* bind_grp_modules(const char *pci_id);
void unbind_grp_modules(struct pci_vdid *dev_list, u64 num);
struct vfio_hlvl_params* vfio_dev_init(const char *pci_id);
void get_dev_bar_regions(struct vfio_hlvl_params *params);
void get_dev_pci_cfg_region(struct vfio_hlvl_params *params);
struct vfio_region_info* find_bar_for_off(struct list_item *bar_regions, u64 off);
u32 read_host_mem_long(const struct vfio_hlvl_params *params, u64 off);
u16 read_host_mem_word(const struct vfio_hlvl_params *params, u64 off);
u8 read_host_mem_byte(const struct vfio_hlvl_params *params, u64 off);
void write_host_mem(const struct vfio_hlvl_params *params, u64 off, u32 value);
struct vfio_iommu_type1_dma_map* iommu_map_va(int container, u8 op_flags, u8 index);
void iommu_unmap_va(int container, struct vfio_iommu_type1_dma_map *dma_map);
void free_dma_map(int container, struct vfio_iommu_type1_dma_map *dma_map);