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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tu102.c (3102B)


      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#include <subdev/acr.h>
     24
     25static const struct nvkm_falcon_func
     26tu102_sec2_flcn = {
     27	.debug = 0x408,
     28	.fbif = 0x600,
     29	.load_imem = nvkm_falcon_v1_load_imem,
     30	.load_dmem = nvkm_falcon_v1_load_dmem,
     31	.read_dmem = nvkm_falcon_v1_read_dmem,
     32	.emem_addr = 0x01000000,
     33	.bind_context = gp102_sec2_flcn_bind_context,
     34	.wait_for_halt = nvkm_falcon_v1_wait_for_halt,
     35	.clear_interrupt = nvkm_falcon_v1_clear_interrupt,
     36	.set_start_addr = nvkm_falcon_v1_set_start_addr,
     37	.start = nvkm_falcon_v1_start,
     38	.enable = nvkm_falcon_v1_enable,
     39	.disable = nvkm_falcon_v1_disable,
     40	.cmdq = { 0xc00, 0xc04, 8 },
     41	.msgq = { 0xc80, 0xc84, 8 },
     42};
     43
     44static const struct nvkm_sec2_func
     45tu102_sec2 = {
     46	.flcn = &tu102_sec2_flcn,
     47	.unit_acr = 0x07,
     48	.intr = gp102_sec2_intr,
     49	.initmsg = gp102_sec2_initmsg,
     50};
     51
     52MODULE_FIRMWARE("nvidia/tu102/sec2/desc.bin");
     53MODULE_FIRMWARE("nvidia/tu102/sec2/image.bin");
     54MODULE_FIRMWARE("nvidia/tu102/sec2/sig.bin");
     55MODULE_FIRMWARE("nvidia/tu104/sec2/desc.bin");
     56MODULE_FIRMWARE("nvidia/tu104/sec2/image.bin");
     57MODULE_FIRMWARE("nvidia/tu104/sec2/sig.bin");
     58MODULE_FIRMWARE("nvidia/tu106/sec2/desc.bin");
     59MODULE_FIRMWARE("nvidia/tu106/sec2/image.bin");
     60MODULE_FIRMWARE("nvidia/tu106/sec2/sig.bin");
     61MODULE_FIRMWARE("nvidia/tu116/sec2/desc.bin");
     62MODULE_FIRMWARE("nvidia/tu116/sec2/image.bin");
     63MODULE_FIRMWARE("nvidia/tu116/sec2/sig.bin");
     64MODULE_FIRMWARE("nvidia/tu117/sec2/desc.bin");
     65MODULE_FIRMWARE("nvidia/tu117/sec2/image.bin");
     66MODULE_FIRMWARE("nvidia/tu117/sec2/sig.bin");
     67
     68static const struct nvkm_sec2_fwif
     69tu102_sec2_fwif[] = {
     70	{  0, gp102_sec2_load, &tu102_sec2, &gp102_sec2_acr_1 },
     71	{ -1, gp102_sec2_nofw, &tu102_sec2 }
     72};
     73
     74int
     75tu102_sec2_new(struct nvkm_device *device, enum nvkm_subdev_type type, int inst,
     76	       struct nvkm_sec2 **psec2)
     77{
     78	/* TOP info wasn't updated on Turing to reflect the PRI
     79	 * address change for some reason.  We override it here.
     80	 */
     81	return nvkm_sec2_new_(tu102_sec2_fwif, device, type, inst, 0x840000, psec2);
     82}