dirty.h

 1/* SPDX-License-Identifier: GPL-2.0 */
 2/* Copyright(c) 2023 Advanced Micro Devices, Inc. */
 3
 4#ifndef _DIRTY_H_
 5#define _DIRTY_H_
 6
 7struct pds_vfio_region {
 8	unsigned long *host_seq;
 9	unsigned long *host_ack;
10	u64 bmp_bytes;
11	u64 size;
12	u64 start;
13	u64 page_size;
14	struct pds_lm_sg_elem *sgl;
15	dma_addr_t sgl_addr;
16	u32 dev_bmp_offset_start_byte;
17	u16 num_sge;
18};
19
20struct pds_vfio_dirty {
21	struct pds_vfio_region *regions;
22	u8 num_regions;
23	bool is_enabled;
24};
25
26struct pds_vfio_pci_device;
27
28bool pds_vfio_dirty_is_enabled(struct pds_vfio_pci_device *pds_vfio);
29void pds_vfio_dirty_set_enabled(struct pds_vfio_pci_device *pds_vfio);
30void pds_vfio_dirty_set_disabled(struct pds_vfio_pci_device *pds_vfio);
31void pds_vfio_dirty_disable(struct pds_vfio_pci_device *pds_vfio,
32			    bool send_cmd);
33
34int pds_vfio_dma_logging_report(struct vfio_device *vdev, unsigned long iova,
35				unsigned long length,
36				struct iova_bitmap *dirty);
37int pds_vfio_dma_logging_start(struct vfio_device *vdev,
38			       struct rb_root_cached *ranges, u32 nnodes,
39			       u64 *page_size);
40int pds_vfio_dma_logging_stop(struct vfio_device *vdev);
41#endif /* _DIRTY_H_ */