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/*
* Copyright (c) 2017, NVIDIA CORPORATION. All rights reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
* OTHER DEALINGS IN THE SOFTWARE.
*
*/
#include "msgqueue.h"
#include <engine/falcon.h>
#include <engine/sec2.h>
#include <subdev/secboot.h>
/*
* This firmware runs on the SEC falcon. It only has one command and one
* message queue, and uses a different command line and init message.
*/
struct msgqueue_0148cdec {
struct nvkm_msgqueue base;
};
#define msgqueue_0148cdec(q) \
container_of(q, struct msgqueue_0148cdec, base)
static void
msgqueue_0148cdec_process_msgs(struct nvkm_msgqueue *queue)
{
nvkm_msgqueue_process_msgs(queue, queue->falcon->owner->device->sec2->msgq);
}
static void
init_gen_cmdline(struct nvkm_msgqueue *queue, void *buf)
{
struct {
u32 freq_hz;
u32 falc_trace_size;
u32 falc_trace_dma_base;
u32 falc_trace_dma_idx;
bool secure_mode;
} *args = buf;
args->secure_mode = false;
}
static const struct nvkm_msgqueue_init_func
msgqueue_0148cdec_init_func = {
.gen_cmdline = init_gen_cmdline,
};
static void
msgqueue_0148cdec_dtor(struct nvkm_msgqueue *queue)
{
kfree(msgqueue_0148cdec(queue));
}
const struct nvkm_msgqueue_func
msgqueue_0148cdec_func = {
.init_func = &msgqueue_0148cdec_init_func,
.recv = msgqueue_0148cdec_process_msgs,
.dtor = msgqueue_0148cdec_dtor,
};
int
msgqueue_0148cdec_new(struct nvkm_falcon *falcon, const struct nvkm_secboot *sb,
struct nvkm_msgqueue **queue)
{
struct msgqueue_0148cdec *ret;
ret = kzalloc(sizeof(*ret), GFP_KERNEL);
if (!ret)
return -ENOMEM;
*queue = &ret->base;
nvkm_msgqueue_ctor(&msgqueue_0148cdec_func, falcon, &ret->base);
return 0;
}
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