1/*
2 * Copyright 2021 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 "priv.h"
23#include <subdev/gsp.h>
24
25#include <nvfw/acr.h>
26
27static int
28ga102_acr_wpr_patch(struct nvkm_acr *acr, s64 adjust)
29{
30	struct wpr_header_v2 hdr;
31	struct lsb_header_v2 *lsb;
32	struct nvkm_acr_lsfw *lsfw;
33	u32 offset = 0;
34
35	lsb = kvmalloc(sizeof(*lsb), GFP_KERNEL);
36	if (!lsb)
37		return -ENOMEM;
38
39	do {
40		nvkm_robj(acr->wpr, offset, &hdr, sizeof(hdr));
41		wpr_header_v2_dump(&acr->subdev, &hdr);
42
43		list_for_each_entry(lsfw, &acr->lsfw, head) {
44			if (lsfw->id != hdr.wpr.falcon_id)
45				continue;
46
47			nvkm_robj(acr->wpr, hdr.wpr.lsb_offset, lsb, sizeof(*lsb));
48			lsb_header_v2_dump(&acr->subdev, lsb);
49
50			lsfw->func->bld_patch(acr, lsb->bl_data_off, adjust);
51			break;
52		}
53
54		offset += sizeof(hdr);
55	} while (hdr.wpr.falcon_id != WPR_HEADER_V1_FALCON_ID_INVALID);
56
57	kvfree(lsb);
58	return 0;
59}
60
61static int
62ga102_acr_wpr_build_lsb(struct nvkm_acr *acr, struct nvkm_acr_lsfw *lsfw)
63{
64	struct lsb_header_v2 *hdr;
65	int ret = 0;
66
67	if (WARN_ON(lsfw->sig->size != sizeof(hdr->signature)))
68		return -EINVAL;
69
70	hdr = kvzalloc(sizeof(*hdr), GFP_KERNEL);
71	if (!hdr)
72		return -ENOMEM;
73
74	hdr->hdr.identifier = WPR_GENERIC_HEADER_ID_LSF_LSB_HEADER;
75	hdr->hdr.version = 2;
76	hdr->hdr.size = sizeof(*hdr);
77
78	memcpy(&hdr->signature, lsfw->sig->data, lsfw->sig->size);
79	hdr->ucode_off = lsfw->offset.img;
80	hdr->ucode_size = lsfw->ucode_size;
81	hdr->data_size = lsfw->data_size;
82	hdr->bl_code_size = lsfw->bootloader_size;
83	hdr->bl_imem_off = lsfw->bootloader_imem_offset;
84	hdr->bl_data_off = lsfw->offset.bld;
85	hdr->bl_data_size = lsfw->bl_data_size;
86	hdr->app_code_off = lsfw->app_start_offset + lsfw->app_resident_code_offset;
87	hdr->app_code_size = ALIGN(lsfw->app_resident_code_size, 0x100);
88	hdr->app_data_off = lsfw->app_start_offset + lsfw->app_resident_data_offset;
89	hdr->app_data_size = ALIGN(lsfw->app_resident_data_size, 0x100);
90	hdr->app_imem_offset = lsfw->app_imem_offset;
91	hdr->app_dmem_offset = lsfw->app_dmem_offset;
92	hdr->flags = lsfw->func->flags;
93	hdr->monitor_code_offset = 0;
94	hdr->monitor_data_offset = 0;
95	hdr->manifest_offset = 0;
96
97	if (lsfw->secure_bootloader) {
98		struct nvkm_falcon_fw fw = {
99			.fw.img = hdr->hs_fmc_params.pkc_signature,
100			.fw.name = "LSFW",
101			.func = &(const struct nvkm_falcon_fw_func) {
102				.signature = ga100_flcn_fw_signature,
103			},
104			.sig_size = lsfw->sig_size,
105			.sig_nr = lsfw->sig_nr,
106			.sigs = lsfw->sigs,
107			.fuse_ver = lsfw->fuse_ver,
108			.engine_id = lsfw->engine_id,
109			.ucode_id = lsfw->ucode_id,
110			.falcon = lsfw->falcon,
111
112		};
113
114		ret = nvkm_falcon_get(fw.falcon, &acr->subdev);
115		if (ret == 0) {
116			hdr->hs_fmc_params.hs_fmc = 1;
117			hdr->hs_fmc_params.pkc_algo = 0;
118			hdr->hs_fmc_params.pkc_algo_version = 1;
119			hdr->hs_fmc_params.engid_mask = lsfw->engine_id;
120			hdr->hs_fmc_params.ucode_id = lsfw->ucode_id;
121			hdr->hs_fmc_params.fuse_ver = lsfw->fuse_ver;
122			ret = nvkm_falcon_fw_patch(&fw);
123			nvkm_falcon_put(fw.falcon, &acr->subdev);
124		}
125	}
126
127	nvkm_wobj(acr->wpr, lsfw->offset.lsb, hdr, sizeof(*hdr));
128	kvfree(hdr);
129	return ret;
130}
131
132static int
133ga102_acr_wpr_build(struct nvkm_acr *acr, struct nvkm_acr_lsf *rtos)
134{
135	struct nvkm_acr_lsfw *lsfw;
136	struct wpr_header_v2 hdr;
137	u32 offset = 0;
138	int ret;
139
140	/*XXX: shared sub-WPR headers, fill terminator for now. */
141	nvkm_wo32(acr->wpr, 0x300, (2 << 16) | WPR_GENERIC_HEADER_ID_LSF_SHARED_SUB_WPR);
142	nvkm_wo32(acr->wpr, 0x304, 0x14);
143	nvkm_wo32(acr->wpr, 0x308, 0xffffffff);
144	nvkm_wo32(acr->wpr, 0x30c, 0);
145	nvkm_wo32(acr->wpr, 0x310, 0);
146
147	/* Fill per-LSF structures. */
148	list_for_each_entry(lsfw, &acr->lsfw, head) {
149		struct lsf_signature_v2 *sig = (void *)lsfw->sig->data;
150
151		hdr.hdr.identifier = WPR_GENERIC_HEADER_ID_LSF_WPR_HEADER;
152		hdr.hdr.version = 2;
153		hdr.hdr.size = sizeof(hdr);
154		hdr.wpr.falcon_id = lsfw->id;
155		hdr.wpr.lsb_offset = lsfw->offset.lsb;
156		hdr.wpr.bootstrap_owner = NVKM_ACR_LSF_GSPLITE;
157		hdr.wpr.lazy_bootstrap = 1;
158		hdr.wpr.bin_version = sig->ls_ucode_version;
159		hdr.wpr.status = WPR_HEADER_V1_STATUS_COPY;
160
161		/* Write WPR header. */
162		nvkm_wobj(acr->wpr, offset, &hdr, sizeof(hdr));
163		offset += sizeof(hdr);
164
165		/* Write LSB header. */
166		ret = ga102_acr_wpr_build_lsb(acr, lsfw);
167		if (ret)
168			return ret;
169
170		/* Write ucode image. */
171		nvkm_wobj(acr->wpr, lsfw->offset.img,
172				    lsfw->img.data,
173				    lsfw->img.size);
174
175		/* Write bootloader data. */
176		lsfw->func->bld_write(acr, lsfw->offset.bld, lsfw);
177	}
178
179	/* Finalise WPR. */
180	hdr.hdr.identifier = WPR_GENERIC_HEADER_ID_LSF_WPR_HEADER;
181	hdr.hdr.version = 2;
182	hdr.hdr.size = sizeof(hdr);
183	hdr.wpr.falcon_id = WPR_HEADER_V1_FALCON_ID_INVALID;
184	nvkm_wobj(acr->wpr, offset, &hdr, sizeof(hdr));
185	return 0;
186}
187
188static u32
189ga102_acr_wpr_layout(struct nvkm_acr *acr)
190{
191	struct nvkm_acr_lsfw *lsfw;
192	u32 wpr = 0;
193
194	wpr += 21 /* MAX_LSF */ * sizeof(struct wpr_header_v2);
195	wpr  = ALIGN(wpr, 256);
196
197	wpr += 0x100; /* Shared sub-WPR headers. */
198
199	list_for_each_entry(lsfw, &acr->lsfw, head) {
200		wpr  = ALIGN(wpr, 256);
201		lsfw->offset.lsb = wpr;
202		wpr += sizeof(struct lsb_header_v2);
203
204		wpr  = ALIGN(wpr, 4096);
205		lsfw->offset.img = wpr;
206		wpr += lsfw->img.size;
207
208		wpr  = ALIGN(wpr, 256);
209		lsfw->offset.bld = wpr;
210		lsfw->bl_data_size = ALIGN(lsfw->func->bld_size, 256);
211		wpr += lsfw->bl_data_size;
212	}
213
214	return wpr;
215}
216
217static int
218ga102_acr_wpr_parse(struct nvkm_acr *acr)
219{
220	const struct wpr_header_v2 *hdr = (void *)acr->wpr_fw->data;
221
222	while (hdr->wpr.falcon_id != WPR_HEADER_V1_FALCON_ID_INVALID) {
223		wpr_header_v2_dump(&acr->subdev, hdr);
224		if (!nvkm_acr_lsfw_add(NULL, acr, NULL, (hdr++)->wpr.falcon_id))
225			return -ENOMEM;
226	}
227
228	return 0;
229}
230
231MODULE_FIRMWARE("nvidia/ga102/acr/ucode_unload.bin");
232MODULE_FIRMWARE("nvidia/ga103/acr/ucode_unload.bin");
233MODULE_FIRMWARE("nvidia/ga104/acr/ucode_unload.bin");
234MODULE_FIRMWARE("nvidia/ga106/acr/ucode_unload.bin");
235MODULE_FIRMWARE("nvidia/ga107/acr/ucode_unload.bin");
236
237static const struct nvkm_acr_hsf_fwif
238ga102_acr_unload_fwif[] = {
239	{  0, ga100_acr_hsfw_ctor, &ga102_flcn_fw, NVKM_ACR_HSF_SEC2 },
240	{}
241};
242
243MODULE_FIRMWARE("nvidia/ga102/acr/ucode_asb.bin");
244MODULE_FIRMWARE("nvidia/ga103/acr/ucode_asb.bin");
245MODULE_FIRMWARE("nvidia/ga104/acr/ucode_asb.bin");
246MODULE_FIRMWARE("nvidia/ga106/acr/ucode_asb.bin");
247MODULE_FIRMWARE("nvidia/ga107/acr/ucode_asb.bin");
248
249static const struct nvkm_acr_hsf_fwif
250ga102_acr_asb_fwif[] = {
251	{  0, ga100_acr_hsfw_ctor, &ga102_flcn_fw, NVKM_ACR_HSF_GSP },
252	{}
253};
254
255static const struct nvkm_falcon_fw_func
256ga102_acr_ahesasc_0 = {
257	.signature = ga100_flcn_fw_signature,
258	.reset = gm200_flcn_fw_reset,
259	.setup = gp102_acr_load_setup,
260	.load = ga102_flcn_fw_load,
261	.boot = ga102_flcn_fw_boot,
262};
263
264MODULE_FIRMWARE("nvidia/ga102/acr/ucode_ahesasc.bin");
265MODULE_FIRMWARE("nvidia/ga103/acr/ucode_ahesasc.bin");
266MODULE_FIRMWARE("nvidia/ga104/acr/ucode_ahesasc.bin");
267MODULE_FIRMWARE("nvidia/ga106/acr/ucode_ahesasc.bin");
268MODULE_FIRMWARE("nvidia/ga107/acr/ucode_ahesasc.bin");
269
270static const struct nvkm_acr_hsf_fwif
271ga102_acr_ahesasc_fwif[] = {
272	{  0, ga100_acr_hsfw_ctor, &ga102_acr_ahesasc_0, NVKM_ACR_HSF_SEC2 },
273	{}
274};
275
276static const struct nvkm_acr_func
277ga102_acr = {
278	.ahesasc = ga102_acr_ahesasc_fwif,
279	.asb = ga102_acr_asb_fwif,
280	.unload = ga102_acr_unload_fwif,
281	.wpr_parse = ga102_acr_wpr_parse,
282	.wpr_layout = ga102_acr_wpr_layout,
283	.wpr_alloc = gp102_acr_wpr_alloc,
284	.wpr_patch = ga102_acr_wpr_patch,
285	.wpr_build = ga102_acr_wpr_build,
286	.wpr_check = ga100_acr_wpr_check,
287	.init = tu102_acr_init,
288};
289
290static int
291ga102_acr_load(struct nvkm_acr *acr, int version,
292	       const struct nvkm_acr_fwif *fwif)
293{
294	struct nvkm_subdev *subdev = &acr->subdev;
295	const struct nvkm_acr_hsf_fwif *hsfwif;
296
297	hsfwif = nvkm_firmware_load(subdev, fwif->func->ahesasc, "AcrAHESASC",
298				    acr, NULL, "acr/ucode_ahesasc", "AHESASC");
299	if (IS_ERR(hsfwif))
300		return PTR_ERR(hsfwif);
301
302	hsfwif = nvkm_firmware_load(subdev, fwif->func->asb, "AcrASB",
303				    acr, NULL, "acr/ucode_asb", "ASB");
304	if (IS_ERR(hsfwif))
305		return PTR_ERR(hsfwif);
306
307	hsfwif = nvkm_firmware_load(subdev, fwif->func->unload, "AcrUnload",
308				    acr, NULL, "acr/ucode_unload", "unload");
309	if (IS_ERR(hsfwif))
310		return PTR_ERR(hsfwif);
311
312	return 0;
313}
314
315static const struct nvkm_acr_fwif
316ga102_acr_fwif[] = {
317	{  0, ga102_acr_load, &ga102_acr },
318	{ -1, gm200_acr_nofw, &gm200_acr },
319	{}
320};
321
322int
323ga102_acr_new(struct nvkm_device *device, enum nvkm_subdev_type type, int inst,
324	      struct nvkm_acr **pacr)
325{
326	if (nvkm_gsp_rm(device->gsp))
327		return -ENODEV;
328
329	return nvkm_acr_new_(ga102_acr_fwif, device, type, inst, pacr);
330}
331