drivers/gpu/drm/nouveau/nvkm/subdev/secboot/priv.h

   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
  29 struct nvkm_secboot_func {
  30         int (*oneinit)(struct nvkm_secboot *);
  31         int (*fini)(struct nvkm_secboot *, bool suspend);
  32         void *(*dtor)(struct nvkm_secboot *);
  33         int (*run_blob)(struct nvkm_secboot *, struct nvkm_gpuobj *);
  34 };
  35
  36 int nvkm_secboot_ctor(const struct nvkm_secboot_func *, struct nvkm_acr *,
  37                       struct nvkm_device *, int, struct nvkm_secboot *);
  38 int nvkm_secboot_falcon_reset(struct nvkm_secboot *);
  39 int nvkm_secboot_falcon_run(struct nvkm_secboot *);
  40
  41 struct flcn_u64 {
  42         u32 lo;
  43         u32 hi;
  44 };
  45
  46 static inline u64 flcn64_to_u64(const struct flcn_u64 f)
  47 {
  48         return ((u64)f.hi) << 32 | f.lo;
  49 }
  50
  51 static inline struct flcn_u64 u64_to_flcn64(u64 u)
  52 {
  53         struct flcn_u64 ret;
  54
  55         ret.hi = upper_32_bits(u);
  56         ret.lo = lower_32_bits(u);
  57
  58         return ret;
  59 }
  60
  61 #endif