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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gv100.c (5112B)


      1/*
      2 * Copyright 2018 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#include "ctxgf100.h"
     24
     25#include <nvif/class.h>
     26
     27static void
     28gv100_gr_trap_sm(struct gf100_gr *gr, int gpc, int tpc, int sm)
     29{
     30	struct nvkm_subdev *subdev = &gr->base.engine.subdev;
     31	struct nvkm_device *device = subdev->device;
     32	u32 werr = nvkm_rd32(device, TPC_UNIT(gpc, tpc, 0x730 + (sm * 0x80)));
     33	u32 gerr = nvkm_rd32(device, TPC_UNIT(gpc, tpc, 0x734 + (sm * 0x80)));
     34	const struct nvkm_enum *warp;
     35	char glob[128];
     36
     37	nvkm_snprintbf(glob, sizeof(glob), gf100_mp_global_error, gerr);
     38	warp = nvkm_enum_find(gf100_mp_warp_error, werr & 0xffff);
     39
     40	nvkm_error(subdev, "GPC%i/TPC%i/SM%d trap: "
     41			   "global %08x [%s] warp %04x [%s]\n",
     42		   gpc, tpc, sm, gerr, glob, werr, warp ? warp->name : "");
     43
     44	nvkm_wr32(device, TPC_UNIT(gpc, tpc, 0x730 + sm * 0x80), 0x00000000);
     45	nvkm_wr32(device, TPC_UNIT(gpc, tpc, 0x734 + sm * 0x80), gerr);
     46}
     47
     48void
     49gv100_gr_trap_mp(struct gf100_gr *gr, int gpc, int tpc)
     50{
     51	gv100_gr_trap_sm(gr, gpc, tpc, 0);
     52	gv100_gr_trap_sm(gr, gpc, tpc, 1);
     53}
     54
     55static void
     56gv100_gr_init_4188a4(struct gf100_gr *gr)
     57{
     58	struct nvkm_device *device = gr->base.engine.subdev.device;
     59	nvkm_mask(device, 0x4188a4, 0x03000000, 0x03000000);
     60}
     61
     62void
     63gv100_gr_init_shader_exceptions(struct gf100_gr *gr, int gpc, int tpc)
     64{
     65	struct nvkm_device *device = gr->base.engine.subdev.device;
     66	int sm;
     67	for (sm = 0; sm < 0x100; sm += 0x80) {
     68		nvkm_wr32(device, TPC_UNIT(gpc, tpc, 0x728 + sm), 0x0085eb64);
     69		nvkm_wr32(device, TPC_UNIT(gpc, tpc, 0x610), 0x00000001);
     70		nvkm_wr32(device, TPC_UNIT(gpc, tpc, 0x72c + sm), 0x00000004);
     71	}
     72}
     73
     74void
     75gv100_gr_init_504430(struct gf100_gr *gr, int gpc, int tpc)
     76{
     77	struct nvkm_device *device = gr->base.engine.subdev.device;
     78	nvkm_wr32(device, TPC_UNIT(gpc, tpc, 0x430), 0x403f0000);
     79}
     80
     81void
     82gv100_gr_init_419bd8(struct gf100_gr *gr)
     83{
     84	struct nvkm_device *device = gr->base.engine.subdev.device;
     85	nvkm_mask(device, 0x419bd8, 0x00000700, 0x00000000);
     86}
     87
     88static const struct gf100_gr_func
     89gv100_gr = {
     90	.oneinit_tiles = gm200_gr_oneinit_tiles,
     91	.oneinit_sm_id = gm200_gr_oneinit_sm_id,
     92	.init = gf100_gr_init,
     93	.init_419bd8 = gv100_gr_init_419bd8,
     94	.init_gpc_mmu = gm200_gr_init_gpc_mmu,
     95	.init_vsc_stream_master = gk104_gr_init_vsc_stream_master,
     96	.init_zcull = gf117_gr_init_zcull,
     97	.init_num_active_ltcs = gm200_gr_init_num_active_ltcs,
     98	.init_rop_active_fbps = gp100_gr_init_rop_active_fbps,
     99	.init_swdx_pes_mask = gp102_gr_init_swdx_pes_mask,
    100	.init_fecs_exceptions = gp100_gr_init_fecs_exceptions,
    101	.init_ds_hww_esr_2 = gm200_gr_init_ds_hww_esr_2,
    102	.init_sked_hww_esr = gk104_gr_init_sked_hww_esr,
    103	.init_ppc_exceptions = gk104_gr_init_ppc_exceptions,
    104	.init_504430 = gv100_gr_init_504430,
    105	.init_shader_exceptions = gv100_gr_init_shader_exceptions,
    106	.init_4188a4 = gv100_gr_init_4188a4,
    107	.trap_mp = gv100_gr_trap_mp,
    108	.rops = gm200_gr_rops,
    109	.gpc_nr = 6,
    110	.tpc_nr = 5,
    111	.ppc_nr = 3,
    112	.grctx = &gv100_grctx,
    113	.zbc = &gp102_gr_zbc,
    114	.sclass = {
    115		{ -1, -1, FERMI_TWOD_A },
    116		{ -1, -1, KEPLER_INLINE_TO_MEMORY_B },
    117		{ -1, -1, VOLTA_A, &gf100_fermi },
    118		{ -1, -1, VOLTA_COMPUTE_A },
    119		{}
    120	}
    121};
    122
    123MODULE_FIRMWARE("nvidia/gv100/gr/fecs_bl.bin");
    124MODULE_FIRMWARE("nvidia/gv100/gr/fecs_inst.bin");
    125MODULE_FIRMWARE("nvidia/gv100/gr/fecs_data.bin");
    126MODULE_FIRMWARE("nvidia/gv100/gr/fecs_sig.bin");
    127MODULE_FIRMWARE("nvidia/gv100/gr/gpccs_bl.bin");
    128MODULE_FIRMWARE("nvidia/gv100/gr/gpccs_inst.bin");
    129MODULE_FIRMWARE("nvidia/gv100/gr/gpccs_data.bin");
    130MODULE_FIRMWARE("nvidia/gv100/gr/gpccs_sig.bin");
    131MODULE_FIRMWARE("nvidia/gv100/gr/sw_ctx.bin");
    132MODULE_FIRMWARE("nvidia/gv100/gr/sw_nonctx.bin");
    133MODULE_FIRMWARE("nvidia/gv100/gr/sw_bundle_init.bin");
    134MODULE_FIRMWARE("nvidia/gv100/gr/sw_method_init.bin");
    135
    136static const struct gf100_gr_fwif
    137gv100_gr_fwif[] = {
    138	{  0, gm200_gr_load, &gv100_gr, &gp108_gr_fecs_acr, &gp108_gr_gpccs_acr },
    139	{ -1, gm200_gr_nofw },
    140	{}
    141};
    142
    143int
    144gv100_gr_new(struct nvkm_device *device, enum nvkm_subdev_type type, int inst, struct nvkm_gr **pgr)
    145{
    146	return gf100_gr_new_(gv100_gr_fwif, device, type, inst, pgr);
    147}