xref: /linux/drivers/gpu/drm/nouveau/nvkm/subdev/mmu/vmmgm20b.c (revision 4b132aacb0768ac1e652cf517097ea6f237214b9)
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 static const struct nvkm_vmm_func
25 gm20b_vmm_17 = {
26 	.join = gm200_vmm_join,
27 	.part = gf100_vmm_part,
28 	.aper = gk20a_vmm_aper,
29 	.valid = gf100_vmm_valid,
30 	.flush = gf100_vmm_flush,
31 	.invalidate_pdb = gf100_vmm_invalidate_pdb,
32 	.page = {
33 		{ 27, &gm200_vmm_desc_17_17[1], NVKM_VMM_PAGE_Sxxx },
34 		{ 17, &gm200_vmm_desc_17_17[0], NVKM_VMM_PAGE_SxHC },
35 		{ 12, &gm200_vmm_desc_17_12[0], NVKM_VMM_PAGE_SxHx },
36 		{}
37 	}
38 };
39 
40 static const struct nvkm_vmm_func
41 gm20b_vmm_16 = {
42 	.join = gm200_vmm_join,
43 	.part = gf100_vmm_part,
44 	.aper = gk20a_vmm_aper,
45 	.valid = gf100_vmm_valid,
46 	.flush = gf100_vmm_flush,
47 	.invalidate_pdb = gf100_vmm_invalidate_pdb,
48 	.page = {
49 		{ 27, &gm200_vmm_desc_16_16[1], NVKM_VMM_PAGE_Sxxx },
50 		{ 16, &gm200_vmm_desc_16_16[0], NVKM_VMM_PAGE_SxHC },
51 		{ 12, &gm200_vmm_desc_16_12[0], NVKM_VMM_PAGE_SxHx },
52 		{}
53 	}
54 };
55 
56 int
57 gm20b_vmm_new(struct nvkm_mmu *mmu, bool managed, u64 addr, u64 size,
58 	      void *argv, u32 argc, struct lock_class_key *key,
59 	      const char *name, struct nvkm_vmm **pvmm)
60 {
61 	return gm200_vmm_new_(&gm20b_vmm_16, &gm20b_vmm_17, mmu, managed, addr,
62 			      size, argv, argc, key, name, pvmm);
63 }
64 
65 int
66 gm20b_vmm_new_fixed(struct nvkm_mmu *mmu, bool managed, u64 addr, u64 size,
67 		    void *argv, u32 argc, struct lock_class_key *key,
68 		    const char *name, struct nvkm_vmm **pvmm)
69 {
70 	return gf100_vmm_new_(&gm20b_vmm_16, &gm20b_vmm_17, mmu, managed, addr,
71 			      size, argv, argc, key, name, pvmm);
72 }
73