1 /* SPDX-License-Identifier: MIT
2 *
3 * Copyright (c) 2025, NVIDIA CORPORATION. All rights reserved.
4 */
5 #include "priv.h"
6
7 int
nvkm_fsp_boot_gsp_fmc(struct nvkm_fsp * fsp,u64 args_addr,u32 rsvd_size,bool resume,u64 img_addr,const u8 * hash,const u8 * pkey,const u8 * sig)8 nvkm_fsp_boot_gsp_fmc(struct nvkm_fsp *fsp, u64 args_addr, u32 rsvd_size, bool resume,
9 u64 img_addr, const u8 *hash, const u8 *pkey, const u8 *sig)
10 {
11 return fsp->func->cot.boot_gsp_fmc(fsp, args_addr, rsvd_size, resume,
12 img_addr, hash, pkey, sig);
13 }
14
15 bool
nvkm_fsp_verify_gsp_fmc(struct nvkm_fsp * fsp,u32 hash_size,u32 pkey_size,u32 sig_size)16 nvkm_fsp_verify_gsp_fmc(struct nvkm_fsp *fsp, u32 hash_size, u32 pkey_size, u32 sig_size)
17 {
18 return hash_size == fsp->func->cot.size_hash &&
19 pkey_size == fsp->func->cot.size_pkey &&
20 sig_size == fsp->func->cot.size_sig;
21 }
22
23 static int
nvkm_fsp_preinit(struct nvkm_subdev * subdev)24 nvkm_fsp_preinit(struct nvkm_subdev *subdev)
25 {
26 struct nvkm_fsp *fsp = nvkm_fsp(subdev);
27
28 return fsp->func->wait_secure_boot(fsp);
29 }
30
31 static void *
nvkm_fsp_dtor(struct nvkm_subdev * subdev)32 nvkm_fsp_dtor(struct nvkm_subdev *subdev)
33 {
34 struct nvkm_fsp *fsp = nvkm_fsp(subdev);
35
36 nvkm_falcon_dtor(&fsp->falcon);
37 return fsp;
38 }
39
40 static const struct nvkm_falcon_func
41 nvkm_fsp_flcn = {
42 .emem_pio = &gp102_flcn_emem_pio,
43 };
44
45 static const struct nvkm_subdev_func
46 nvkm_fsp = {
47 .dtor = nvkm_fsp_dtor,
48 .preinit = nvkm_fsp_preinit,
49 };
50
51 int
nvkm_fsp_new_(const struct nvkm_fsp_func * func,struct nvkm_device * device,enum nvkm_subdev_type type,int inst,struct nvkm_fsp ** pfsp)52 nvkm_fsp_new_(const struct nvkm_fsp_func *func,
53 struct nvkm_device *device, enum nvkm_subdev_type type, int inst,
54 struct nvkm_fsp **pfsp)
55 {
56 struct nvkm_fsp *fsp;
57
58 fsp = *pfsp = kzalloc(sizeof(*fsp), GFP_KERNEL);
59 if (!fsp)
60 return -ENOMEM;
61
62 fsp->func = func;
63 nvkm_subdev_ctor(&nvkm_fsp, device, type, inst, &fsp->subdev);
64
65 return nvkm_falcon_ctor(&nvkm_fsp_flcn, &fsp->subdev, "fsp", 0x8f2000, &fsp->falcon);
66 }
67