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      1 /*	$NetBSD: secboot.h,v 1.2 2021/12/18 23:45:33 riastradh Exp $	*/
      2 
      3 /*
      4  * Copyright (c) 2016, NVIDIA CORPORATION. All rights reserved.
      5  *
      6  * Permission is hereby granted, free of charge, to any person obtaining a
      7  * copy of this software and associated documentation files (the "Software"),
      8  * to deal in the Software without restriction, including without limitation
      9  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
     10  * and/or sell copies of the Software, and to permit persons to whom the
     11  * Software is furnished to do so, subject to the following conditions:
     12  *
     13  * The above copyright notice and this permission notice shall be included in
     14  * all copies or substantial portions of the Software.
     15  *
     16  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
     17  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
     18  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
     19  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
     20  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
     21  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
     22  * DEALINGS IN THE SOFTWARE.
     23  */
     24 
     25 #ifndef __NVKM_SECURE_BOOT_H__
     26 #define __NVKM_SECURE_BOOT_H__
     27 
     28 #include <core/subdev.h>
     29 
     30 enum nvkm_secboot_falcon {
     31 	NVKM_SECBOOT_FALCON_PMU = 0,
     32 	NVKM_SECBOOT_FALCON_RESERVED = 1,
     33 	NVKM_SECBOOT_FALCON_FECS = 2,
     34 	NVKM_SECBOOT_FALCON_GPCCS = 3,
     35 	NVKM_SECBOOT_FALCON_SEC2 = 7,
     36 	NVKM_SECBOOT_FALCON_END = 8,
     37 	NVKM_SECBOOT_FALCON_INVALID = 0xffffffff,
     38 };
     39 
     40 extern const char *nvkm_secboot_falcon_name[];
     41 
     42 /**
     43  * @wpr_set: whether the WPR region is currently set
     44 */
     45 struct nvkm_secboot {
     46 	const struct nvkm_secboot_func *func;
     47 	struct nvkm_acr *acr;
     48 	struct nvkm_subdev subdev;
     49 	struct nvkm_falcon *boot_falcon;
     50 	struct nvkm_falcon *halt_falcon;
     51 
     52 	u64 wpr_addr;
     53 	u32 wpr_size;
     54 
     55 	bool wpr_set;
     56 };
     57 #define nvkm_secboot(p) container_of((p), struct nvkm_secboot, subdev)
     58 
     59 bool nvkm_secboot_is_managed(struct nvkm_secboot *, enum nvkm_secboot_falcon);
     60 int nvkm_secboot_reset(struct nvkm_secboot *, unsigned long);
     61 
     62 int gm200_secboot_new(struct nvkm_device *, int, struct nvkm_secboot **);
     63 int gm20b_secboot_new(struct nvkm_device *, int, struct nvkm_secboot **);
     64 int gp102_secboot_new(struct nvkm_device *, int, struct nvkm_secboot **);
     65 int gp108_secboot_new(struct nvkm_device *, int, struct nvkm_secboot **);
     66 int gp10b_secboot_new(struct nvkm_device *, int, struct nvkm_secboot **);
     67 
     68 #endif
     69