xref: /linux/drivers/gpu/drm/xe/xe_lmtt.h (revision 4b132aacb0768ac1e652cf517097ea6f237214b9)
1 /* SPDX-License-Identifier: MIT */
2 /*
3  * Copyright © 2023 Intel Corporation
4  */
5 
6 #ifndef _XE_LMTT_H_
7 #define _XE_LMTT_H_
8 
9 #include <linux/types.h>
10 
11 struct xe_bo;
12 struct xe_lmtt;
13 struct xe_lmtt_ops;
14 
15 #ifdef CONFIG_PCI_IOV
16 int xe_lmtt_init(struct xe_lmtt *lmtt);
17 void xe_lmtt_init_hw(struct xe_lmtt *lmtt);
18 int xe_lmtt_prepare_pages(struct xe_lmtt *lmtt, unsigned int vfid, u64 range);
19 int xe_lmtt_populate_pages(struct xe_lmtt *lmtt, unsigned int vfid, struct xe_bo *bo, u64 offset);
20 void xe_lmtt_drop_pages(struct xe_lmtt *lmtt, unsigned int vfid);
21 u64 xe_lmtt_estimate_pt_size(struct xe_lmtt *lmtt, u64 size);
22 #else
23 static inline int xe_lmtt_init(struct xe_lmtt *lmtt) { return 0; }
24 static inline void xe_lmtt_init_hw(struct xe_lmtt *lmtt) { }
25 #endif
26 
27 #endif
28