1 /*
2  * Copyright 2017 Red Hat Inc.
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 COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
18  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
19  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
20  * OTHER DEALINGS IN THE SOFTWARE.
21  */
22 #include "vmm.h"
23 
24 #include <core/memory.h>
25 
26 int
gk20a_vmm_aper(enum nvkm_memory_target target)27 gk20a_vmm_aper(enum nvkm_memory_target target)
28 {
29 	switch (target) {
30 	case NVKM_MEM_TARGET_NCOH: return 0;
31 	default:
32 		return -EINVAL;
33 	}
34 }
35 
36 static const struct nvkm_vmm_func
37 gk20a_vmm_17 = {
38 	.join = gf100_vmm_join,
39 	.part = gf100_vmm_part,
40 	.aper = gf100_vmm_aper,
41 	.valid = gf100_vmm_valid,
42 	.flush = gf100_vmm_flush,
43 	.invalidate_pdb = gf100_vmm_invalidate_pdb,
44 	.page = {
45 		{ 17, &gk104_vmm_desc_17_17[0], NVKM_VMM_PAGE_xxHC },
46 		{ 12, &gk104_vmm_desc_17_12[0], NVKM_VMM_PAGE_xxHx },
47 		{}
48 	}
49 };
50 
51 static const struct nvkm_vmm_func
52 gk20a_vmm_16 = {
53 	.join = gf100_vmm_join,
54 	.part = gf100_vmm_part,
55 	.aper = gf100_vmm_aper,
56 	.valid = gf100_vmm_valid,
57 	.flush = gf100_vmm_flush,
58 	.invalidate_pdb = gf100_vmm_invalidate_pdb,
59 	.page = {
60 		{ 16, &gk104_vmm_desc_16_16[0], NVKM_VMM_PAGE_xxHC },
61 		{ 12, &gk104_vmm_desc_16_12[0], NVKM_VMM_PAGE_xxHx },
62 		{}
63 	}
64 };
65 
66 int
gk20a_vmm_new(struct nvkm_mmu * mmu,bool managed,u64 addr,u64 size,void * argv,u32 argc,struct lock_class_key * key,const char * name,struct nvkm_vmm ** pvmm)67 gk20a_vmm_new(struct nvkm_mmu *mmu, bool managed, u64 addr, u64 size,
68 	      void *argv, u32 argc, struct lock_class_key *key,
69 	      const char *name, struct nvkm_vmm **pvmm)
70 {
71 	return gf100_vmm_new_(&gk20a_vmm_16, &gk20a_vmm_17, mmu, managed, addr,
72 			      size, argv, argc, key, name, pvmm);
73 }
74