xref: /linux/drivers/gpu/drm/nouveau/nvkm/subdev/mmu/vmmmcp77.c (revision 597473720f4dc69749542bfcfed4a927a43d935e)
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 mcp77_vmm = {
26 	.join = nv50_vmm_join,
27 	.part = nv50_vmm_part,
28 	.valid = nv50_vmm_valid,
29 	.flush = nv50_vmm_flush,
30 	.page_block = 1 << 29,
31 	.page = {
32 		{ 16, &nv50_vmm_desc_16[0], NVKM_VMM_PAGE_xVxx },
33 		{ 12, &nv50_vmm_desc_12[0], NVKM_VMM_PAGE_xVHx },
34 		{}
35 	}
36 };
37 
38 int
mcp77_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)39 mcp77_vmm_new(struct nvkm_mmu *mmu, bool managed, u64 addr, u64 size,
40 	      void *argv, u32 argc, struct lock_class_key *key,
41 	      const char *name, struct nvkm_vmm **pvmm)
42 {
43 	return nv04_vmm_new_(&mcp77_vmm, mmu, 0, managed, addr, size,
44 			     argv, argc, key, name, pvmm);
45 }
46