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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gp100.c (5677B)


      1/*
      2 * Copyright 2016 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 * Authors: Ben Skeggs <bskeggs@redhat.com>
     23 */
     24#include "gf100.h"
     25#include "ctxgf100.h"
     26
     27#include <nvif/class.h>
     28
     29/*******************************************************************************
     30 * PGRAPH engine/subdev functions
     31 ******************************************************************************/
     32void
     33gp100_gr_zbc_clear_color(struct gf100_gr *gr, int zbc)
     34{
     35	struct nvkm_device *device = gr->base.engine.subdev.device;
     36	const int znum =  zbc - 1;
     37	const u32 zoff = znum * 4;
     38
     39	if (gr->zbc_color[zbc].format) {
     40		nvkm_wr32(device, 0x418010 + zoff, gr->zbc_color[zbc].ds[0]);
     41		nvkm_wr32(device, 0x41804c + zoff, gr->zbc_color[zbc].ds[1]);
     42		nvkm_wr32(device, 0x418088 + zoff, gr->zbc_color[zbc].ds[2]);
     43		nvkm_wr32(device, 0x4180c4 + zoff, gr->zbc_color[zbc].ds[3]);
     44	}
     45
     46	nvkm_mask(device, 0x418100 + ((znum / 4) * 4),
     47			  0x0000007f << ((znum % 4) * 7),
     48			  gr->zbc_color[zbc].format << ((znum % 4) * 7));
     49}
     50
     51void
     52gp100_gr_zbc_clear_depth(struct gf100_gr *gr, int zbc)
     53{
     54	struct nvkm_device *device = gr->base.engine.subdev.device;
     55	const int znum =  zbc - 1;
     56	const u32 zoff = znum * 4;
     57
     58	if (gr->zbc_depth[zbc].format)
     59		nvkm_wr32(device, 0x418110 + zoff, gr->zbc_depth[zbc].ds);
     60	nvkm_mask(device, 0x41814c + ((znum / 4) * 4),
     61			  0x0000007f << ((znum % 4) * 7),
     62			  gr->zbc_depth[zbc].format << ((znum % 4) * 7));
     63}
     64
     65const struct gf100_gr_func_zbc
     66gp100_gr_zbc = {
     67	.clear_color = gp100_gr_zbc_clear_color,
     68	.clear_depth = gp100_gr_zbc_clear_depth,
     69};
     70
     71void
     72gp100_gr_init_shader_exceptions(struct gf100_gr *gr, int gpc, int tpc)
     73{
     74	struct nvkm_device *device = gr->base.engine.subdev.device;
     75	nvkm_wr32(device, TPC_UNIT(gpc, tpc, 0x644), 0x00dffffe);
     76	nvkm_wr32(device, TPC_UNIT(gpc, tpc, 0x64c), 0x00000105);
     77}
     78
     79static void
     80gp100_gr_init_419c9c(struct gf100_gr *gr)
     81{
     82	struct nvkm_device *device = gr->base.engine.subdev.device;
     83	nvkm_mask(device, 0x419c9c, 0x00010000, 0x00010000);
     84	nvkm_mask(device, 0x419c9c, 0x00020000, 0x00020000);
     85}
     86
     87void
     88gp100_gr_init_fecs_exceptions(struct gf100_gr *gr)
     89{
     90	nvkm_wr32(gr->base.engine.subdev.device, 0x409c24, 0x000f0002);
     91}
     92
     93void
     94gp100_gr_init_rop_active_fbps(struct gf100_gr *gr)
     95{
     96	struct nvkm_device *device = gr->base.engine.subdev.device;
     97	/*XXX: otherwise identical to gm200 aside from mask.. do everywhere? */
     98	const u32 fbp_count = nvkm_rd32(device, 0x12006c) & 0x0000000f;
     99	nvkm_mask(device, 0x408850, 0x0000000f, fbp_count); /* zrop */
    100	nvkm_mask(device, 0x408958, 0x0000000f, fbp_count); /* crop */
    101}
    102
    103static const struct gf100_gr_func
    104gp100_gr = {
    105	.oneinit_tiles = gm200_gr_oneinit_tiles,
    106	.oneinit_sm_id = gm200_gr_oneinit_sm_id,
    107	.init = gf100_gr_init,
    108	.init_gpc_mmu = gm200_gr_init_gpc_mmu,
    109	.init_vsc_stream_master = gk104_gr_init_vsc_stream_master,
    110	.init_zcull = gf117_gr_init_zcull,
    111	.init_num_active_ltcs = gm200_gr_init_num_active_ltcs,
    112	.init_rop_active_fbps = gp100_gr_init_rop_active_fbps,
    113	.init_fecs_exceptions = gp100_gr_init_fecs_exceptions,
    114	.init_ds_hww_esr_2 = gm200_gr_init_ds_hww_esr_2,
    115	.init_sked_hww_esr = gk104_gr_init_sked_hww_esr,
    116	.init_419cc0 = gf100_gr_init_419cc0,
    117	.init_419c9c = gp100_gr_init_419c9c,
    118	.init_ppc_exceptions = gk104_gr_init_ppc_exceptions,
    119	.init_tex_hww_esr = gf100_gr_init_tex_hww_esr,
    120	.init_504430 = gm107_gr_init_504430,
    121	.init_shader_exceptions = gp100_gr_init_shader_exceptions,
    122	.trap_mp = gf100_gr_trap_mp,
    123	.rops = gm200_gr_rops,
    124	.gpc_nr = 6,
    125	.tpc_nr = 5,
    126	.ppc_nr = 2,
    127	.grctx = &gp100_grctx,
    128	.zbc = &gp100_gr_zbc,
    129	.sclass = {
    130		{ -1, -1, FERMI_TWOD_A },
    131		{ -1, -1, KEPLER_INLINE_TO_MEMORY_B },
    132		{ -1, -1, PASCAL_A, &gf100_fermi },
    133		{ -1, -1, PASCAL_COMPUTE_A },
    134		{}
    135	}
    136};
    137
    138MODULE_FIRMWARE("nvidia/gp100/gr/fecs_bl.bin");
    139MODULE_FIRMWARE("nvidia/gp100/gr/fecs_inst.bin");
    140MODULE_FIRMWARE("nvidia/gp100/gr/fecs_data.bin");
    141MODULE_FIRMWARE("nvidia/gp100/gr/fecs_sig.bin");
    142MODULE_FIRMWARE("nvidia/gp100/gr/gpccs_bl.bin");
    143MODULE_FIRMWARE("nvidia/gp100/gr/gpccs_inst.bin");
    144MODULE_FIRMWARE("nvidia/gp100/gr/gpccs_data.bin");
    145MODULE_FIRMWARE("nvidia/gp100/gr/gpccs_sig.bin");
    146MODULE_FIRMWARE("nvidia/gp100/gr/sw_ctx.bin");
    147MODULE_FIRMWARE("nvidia/gp100/gr/sw_nonctx.bin");
    148MODULE_FIRMWARE("nvidia/gp100/gr/sw_bundle_init.bin");
    149MODULE_FIRMWARE("nvidia/gp100/gr/sw_method_init.bin");
    150
    151static const struct gf100_gr_fwif
    152gp100_gr_fwif[] = {
    153	{  0, gm200_gr_load, &gp100_gr, &gm200_gr_fecs_acr, &gm200_gr_gpccs_acr },
    154	{ -1, gm200_gr_nofw },
    155	{}
    156};
    157
    158int
    159gp100_gr_new(struct nvkm_device *device, enum nvkm_subdev_type type, int inst, struct nvkm_gr **pgr)
    160{
    161	return gf100_gr_new_(gp100_gr_fwif, device, type, inst, pgr);
    162}