subdev/mmu/vmmmcp77.c

0001 /*
0002  * Copyright 2017 Red Hat Inc.
0003  *
0004  * Permission is hereby granted, free of charge, to any person obtaining a
0005  * copy of this software and associated documentation files (the "Software"),
0006  * to deal in the Software without restriction, including without limitation
0007  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
0008  * and/or sell copies of the Software, and to permit persons to whom the
0009  * Software is furnished to do so, subject to the following conditions:
0010  *
0011  * The above copyright notice and this permission notice shall be included in
0012  * all copies or substantial portions of the Software.
0013  *
0014  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
0015  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
0016  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
0017  * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
0018  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
0019  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
0020  * OTHER DEALINGS IN THE SOFTWARE.
0021  */
0022 #include "vmm.h"
0023
0024 static const struct nvkm_vmm_func
0025 mcp77_vmm = {
0026     .join = nv50_vmm_join,
0027     .part = nv50_vmm_part,
0028     .valid = nv50_vmm_valid,
0029     .flush = nv50_vmm_flush,
0030     .page_block = 1 << 29,
0031     .page = {
0032         { 16, &nv50_vmm_desc_16[0], NVKM_VMM_PAGE_xVxx },
0033         { 12, &nv50_vmm_desc_12[0], NVKM_VMM_PAGE_xVHx },
0034         {}
0035     }
0036 };
0037
0038 int
0039 mcp77_vmm_new(struct nvkm_mmu *mmu, bool managed, u64 addr, u64 size,
0040           void *argv, u32 argc, struct lock_class_key *key,
0041           const char *name, struct nvkm_vmm **pvmm)
0042 {
0043     return nv04_vmm_new_(&mcp77_vmm, mmu, 0, managed, addr, size,
0044                  argv, argc, key, name, pvmm);
0045 }