1 /*
2  * Copyright (c) 2015, NVIDIA CORPORATION. All rights reserved.
3  *
4  * Permission is hereby granted, free of charge, to any person obtaining a
5  * copy of this software and associated documentation files (the "Software"),
6  * to deal in the Software without restriction, including without limitation
7  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8  * and/or sell copies of the Software, and to permit persons to whom the
9  * Software is furnished to do so, subject to the following conditions:
10  *
11  * The above copyright notice and this permission notice shall be included in
12  * all copies or substantial portions of the Software.
13  *
14  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
17  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
18  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
19  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
20  * DEALINGS IN THE SOFTWARE.
21  */
22 
23 #ifndef __NVKM_SECBOOT_PRIV_H__
24 #define __NVKM_SECBOOT_PRIV_H__
25 
26 #include <subdev/secboot.h>
27 #include <subdev/mmu.h>
28 struct nvkm_gpuobj;
29 
30 struct nvkm_secboot_func {
31 	int (*oneinit)(struct nvkm_secboot *);
32 	int (*fini)(struct nvkm_secboot *, bool suspend);
33 	void *(*dtor)(struct nvkm_secboot *);
34 	int (*run_blob)(struct nvkm_secboot *, struct nvkm_gpuobj *,
35 			struct nvkm_falcon *);
36 };
37 
38 int nvkm_secboot_ctor(const struct nvkm_secboot_func *, struct nvkm_acr *,
39 		      struct nvkm_device *, int, struct nvkm_secboot *);
40 int nvkm_secboot_falcon_reset(struct nvkm_secboot *);
41 int nvkm_secboot_falcon_run(struct nvkm_secboot *);
42 
43 extern const struct nvkm_secboot_func gp102_secboot;
44 
45 struct flcn_u64 {
46 	u32 lo;
47 	u32 hi;
48 };
49 
flcn64_to_u64(const struct flcn_u64 f)50 static inline u64 flcn64_to_u64(const struct flcn_u64 f)
51 {
52 	return ((u64)f.hi) << 32 | f.lo;
53 }
54 
u64_to_flcn64(u64 u)55 static inline struct flcn_u64 u64_to_flcn64(u64 u)
56 {
57 	struct flcn_u64 ret;
58 
59 	ret.hi = upper_32_bits(u);
60 	ret.lo = lower_32_bits(u);
61 
62 	return ret;
63 }
64 
65 #endif
66