147 lines
4.6 KiB
C
147 lines
4.6 KiB
C
/*
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* Copyright 2012 Red Hat Inc.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
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* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
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* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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* OTHER DEALINGS IN THE SOFTWARE.
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*
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* Authors: Ben Skeggs
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*/
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#include <engine/sec.h>
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#include <engine/falcon.h>
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#include "fuc/g98.fuc0s.h"
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#include <core/client.h>
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#include <core/enum.h>
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#include <engine/fifo.h>
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/*******************************************************************************
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* Crypt object classes
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******************************************************************************/
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static struct nvkm_oclass
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g98_sec_sclass[] = {
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{ 0x88b4, &nvkm_object_ofuncs },
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{},
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};
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/*******************************************************************************
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* PSEC context
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******************************************************************************/
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static struct nvkm_oclass
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g98_sec_cclass = {
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.handle = NV_ENGCTX(SEC, 0x98),
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.ofuncs = &(struct nvkm_ofuncs) {
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.ctor = _nvkm_falcon_context_ctor,
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.dtor = _nvkm_falcon_context_dtor,
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.init = _nvkm_falcon_context_init,
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.fini = _nvkm_falcon_context_fini,
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.rd32 = _nvkm_falcon_context_rd32,
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.wr32 = _nvkm_falcon_context_wr32,
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},
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};
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/*******************************************************************************
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* PSEC engine/subdev functions
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******************************************************************************/
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static const struct nvkm_enum g98_sec_isr_error_name[] = {
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{ 0x0000, "ILLEGAL_MTHD" },
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{ 0x0001, "INVALID_BITFIELD" },
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{ 0x0002, "INVALID_ENUM" },
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{ 0x0003, "QUERY" },
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{}
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};
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static void
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g98_sec_intr(struct nvkm_subdev *subdev)
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{
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struct nvkm_falcon *sec = (void *)subdev;
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struct nvkm_device *device = sec->engine.subdev.device;
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struct nvkm_fifo *fifo = device->fifo;
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struct nvkm_engine *engine = nv_engine(subdev);
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struct nvkm_object *engctx;
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u32 disp = nvkm_rd32(device, 0x08701c);
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u32 stat = nvkm_rd32(device, 0x087008) & disp & ~(disp >> 16);
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u32 inst = nvkm_rd32(device, 0x087050) & 0x3fffffff;
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u32 ssta = nvkm_rd32(device, 0x087040) & 0x0000ffff;
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u32 addr = nvkm_rd32(device, 0x087040) >> 16;
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u32 mthd = (addr & 0x07ff) << 2;
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u32 subc = (addr & 0x3800) >> 11;
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u32 data = nvkm_rd32(device, 0x087044);
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int chid;
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engctx = nvkm_engctx_get(engine, inst);
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chid = fifo->chid(fifo, engctx);
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if (stat & 0x00000040) {
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nv_error(sec, "DISPATCH_ERROR [");
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nvkm_enum_print(g98_sec_isr_error_name, ssta);
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pr_cont("] ch %d [0x%010llx %s] subc %d mthd 0x%04x data 0x%08x\n",
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chid, (u64)inst << 12, nvkm_client_name(engctx),
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subc, mthd, data);
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nvkm_wr32(device, 0x087004, 0x00000040);
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stat &= ~0x00000040;
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}
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if (stat) {
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nv_error(sec, "unhandled intr 0x%08x\n", stat);
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nvkm_wr32(device, 0x087004, stat);
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}
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nvkm_engctx_put(engctx);
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}
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static int
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g98_sec_ctor(struct nvkm_object *parent, struct nvkm_object *engine,
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struct nvkm_oclass *oclass, void *data, u32 size,
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struct nvkm_object **pobject)
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{
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struct nvkm_falcon *sec;
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int ret;
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ret = nvkm_falcon_create(parent, engine, oclass, 0x087000, true,
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"PSEC", "sec", &sec);
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*pobject = nv_object(sec);
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if (ret)
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return ret;
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nv_subdev(sec)->unit = 0x00004000;
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nv_subdev(sec)->intr = g98_sec_intr;
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nv_engine(sec)->cclass = &g98_sec_cclass;
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nv_engine(sec)->sclass = g98_sec_sclass;
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nv_falcon(sec)->code.data = g98_sec_code;
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nv_falcon(sec)->code.size = sizeof(g98_sec_code);
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nv_falcon(sec)->data.data = g98_sec_data;
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nv_falcon(sec)->data.size = sizeof(g98_sec_data);
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return 0;
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}
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struct nvkm_oclass
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g98_sec_oclass = {
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.handle = NV_ENGINE(SEC, 0x98),
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.ofuncs = &(struct nvkm_ofuncs) {
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.ctor = g98_sec_ctor,
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.dtor = _nvkm_falcon_dtor,
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.init = _nvkm_falcon_init,
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.fini = _nvkm_falcon_fini,
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.rd32 = _nvkm_falcon_rd32,
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.wr32 = _nvkm_falcon_wr32,
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},
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};
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