cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
Log | Files | Refs | README | LICENSE | sfeed.txt

gp108.c (3546B)


      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 "gf100.h"
     23
     24#include <subdev/acr.h>
     25
     26#include <nvfw/flcn.h>
     27
     28static void
     29gp108_gr_acr_bld_patch(struct nvkm_acr *acr, u32 bld, s64 adjust)
     30{
     31	struct flcn_bl_dmem_desc_v2 hdr;
     32	nvkm_robj(acr->wpr, bld, &hdr, sizeof(hdr));
     33	hdr.code_dma_base = hdr.code_dma_base + adjust;
     34	hdr.data_dma_base = hdr.data_dma_base + adjust;
     35	nvkm_wobj(acr->wpr, bld, &hdr, sizeof(hdr));
     36	flcn_bl_dmem_desc_v2_dump(&acr->subdev, &hdr);
     37}
     38
     39static void
     40gp108_gr_acr_bld_write(struct nvkm_acr *acr, u32 bld,
     41		       struct nvkm_acr_lsfw *lsfw)
     42{
     43	const u64 base = lsfw->offset.img + lsfw->app_start_offset;
     44	const u64 code = base + lsfw->app_resident_code_offset;
     45	const u64 data = base + lsfw->app_resident_data_offset;
     46	const struct flcn_bl_dmem_desc_v2 hdr = {
     47		.ctx_dma = FALCON_DMAIDX_UCODE,
     48		.code_dma_base = code,
     49		.non_sec_code_off = lsfw->app_resident_code_offset,
     50		.non_sec_code_size = lsfw->app_resident_code_size,
     51		.code_entry_point = lsfw->app_imem_entry,
     52		.data_dma_base = data,
     53		.data_size = lsfw->app_resident_data_size,
     54	};
     55
     56	nvkm_wobj(acr->wpr, bld, &hdr, sizeof(hdr));
     57}
     58
     59const struct nvkm_acr_lsf_func
     60gp108_gr_gpccs_acr = {
     61	.flags = NVKM_ACR_LSF_FORCE_PRIV_LOAD,
     62	.bld_size = sizeof(struct flcn_bl_dmem_desc_v2),
     63	.bld_write = gp108_gr_acr_bld_write,
     64	.bld_patch = gp108_gr_acr_bld_patch,
     65};
     66
     67const struct nvkm_acr_lsf_func
     68gp108_gr_fecs_acr = {
     69	.bld_size = sizeof(struct flcn_bl_dmem_desc_v2),
     70	.bld_write = gp108_gr_acr_bld_write,
     71	.bld_patch = gp108_gr_acr_bld_patch,
     72};
     73
     74MODULE_FIRMWARE("nvidia/gp108/gr/fecs_bl.bin");
     75MODULE_FIRMWARE("nvidia/gp108/gr/fecs_inst.bin");
     76MODULE_FIRMWARE("nvidia/gp108/gr/fecs_data.bin");
     77MODULE_FIRMWARE("nvidia/gp108/gr/fecs_sig.bin");
     78MODULE_FIRMWARE("nvidia/gp108/gr/gpccs_bl.bin");
     79MODULE_FIRMWARE("nvidia/gp108/gr/gpccs_inst.bin");
     80MODULE_FIRMWARE("nvidia/gp108/gr/gpccs_data.bin");
     81MODULE_FIRMWARE("nvidia/gp108/gr/gpccs_sig.bin");
     82MODULE_FIRMWARE("nvidia/gp108/gr/sw_ctx.bin");
     83MODULE_FIRMWARE("nvidia/gp108/gr/sw_nonctx.bin");
     84MODULE_FIRMWARE("nvidia/gp108/gr/sw_bundle_init.bin");
     85MODULE_FIRMWARE("nvidia/gp108/gr/sw_method_init.bin");
     86
     87static const struct gf100_gr_fwif
     88gp108_gr_fwif[] = {
     89	{  0, gm200_gr_load, &gp107_gr, &gp108_gr_fecs_acr, &gp108_gr_gpccs_acr },
     90	{ -1, gm200_gr_nofw },
     91	{}
     92};
     93
     94int
     95gp108_gr_new(struct nvkm_device *device, enum nvkm_subdev_type type, int inst, struct nvkm_gr **pgr)
     96{
     97	return gf100_gr_new_(gp108_gr_fwif, device, type, inst, pgr);
     98}