cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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gp108.c (3403B)


      1/*
      2 * Copyright 2019 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
     24#include <subdev/mmu.h>
     25
     26#include <nvfw/flcn.h>
     27
     28void
     29gp108_acr_hsfw_bld(struct nvkm_acr *acr, struct nvkm_acr_hsf *hsf)
     30{
     31	struct flcn_bl_dmem_desc_v2 hsdesc = {
     32		.ctx_dma = FALCON_DMAIDX_VIRT,
     33		.code_dma_base = hsf->vma->addr,
     34		.non_sec_code_off = hsf->non_sec_addr,
     35		.non_sec_code_size = hsf->non_sec_size,
     36		.sec_code_off = hsf->sec_addr,
     37		.sec_code_size = hsf->sec_size,
     38		.code_entry_point = 0,
     39		.data_dma_base = hsf->vma->addr + hsf->data_addr,
     40		.data_size = hsf->data_size,
     41		.argc = 0,
     42		.argv = 0,
     43	};
     44
     45	flcn_bl_dmem_desc_v2_dump(&acr->subdev, &hsdesc);
     46
     47	nvkm_falcon_load_dmem(hsf->falcon, &hsdesc, 0, sizeof(hsdesc), 0);
     48}
     49
     50const struct nvkm_acr_hsf_func
     51gp108_acr_unload_0 = {
     52	.load = gm200_acr_unload_load,
     53	.boot = gm200_acr_unload_boot,
     54	.bld = gp108_acr_hsfw_bld,
     55};
     56
     57MODULE_FIRMWARE("nvidia/gp108/acr/unload_bl.bin");
     58MODULE_FIRMWARE("nvidia/gp108/acr/ucode_unload.bin");
     59
     60MODULE_FIRMWARE("nvidia/gv100/acr/unload_bl.bin");
     61MODULE_FIRMWARE("nvidia/gv100/acr/ucode_unload.bin");
     62
     63static const struct nvkm_acr_hsf_fwif
     64gp108_acr_unload_fwif[] = {
     65	{ 0, nvkm_acr_hsfw_load, &gp108_acr_unload_0 },
     66	{}
     67};
     68
     69static const struct nvkm_acr_hsf_func
     70gp108_acr_load_0 = {
     71	.load = gp102_acr_load_load,
     72	.boot = gm200_acr_load_boot,
     73	.bld = gp108_acr_hsfw_bld,
     74};
     75
     76MODULE_FIRMWARE("nvidia/gp108/acr/bl.bin");
     77MODULE_FIRMWARE("nvidia/gp108/acr/ucode_load.bin");
     78
     79MODULE_FIRMWARE("nvidia/gv100/acr/bl.bin");
     80MODULE_FIRMWARE("nvidia/gv100/acr/ucode_load.bin");
     81
     82static const struct nvkm_acr_hsf_fwif
     83gp108_acr_load_fwif[] = {
     84	{ 0, nvkm_acr_hsfw_load, &gp108_acr_load_0 },
     85	{}
     86};
     87
     88static const struct nvkm_acr_func
     89gp108_acr = {
     90	.load = gp108_acr_load_fwif,
     91	.unload = gp108_acr_unload_fwif,
     92	.wpr_parse = gp102_acr_wpr_parse,
     93	.wpr_layout = gp102_acr_wpr_layout,
     94	.wpr_alloc = gp102_acr_wpr_alloc,
     95	.wpr_build = gp102_acr_wpr_build,
     96	.wpr_patch = gp102_acr_wpr_patch,
     97	.wpr_check = gm200_acr_wpr_check,
     98	.init = gm200_acr_init,
     99};
    100
    101static const struct nvkm_acr_fwif
    102gp108_acr_fwif[] = {
    103	{  0, gp102_acr_load, &gp108_acr },
    104	{ -1, gm200_acr_nofw, &gm200_acr },
    105	{}
    106};
    107
    108int
    109gp108_acr_new(struct nvkm_device *device, enum nvkm_subdev_type type, int inst,
    110	      struct nvkm_acr **pacr)
    111{
    112	return nvkm_acr_new_(gp108_acr_fwif, device, type, inst, pacr);
    113}