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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 <subdev/secboot.h>
void
nvkm_msgqueue_write_cmdline(struct nvkm_msgqueue *queue, void *buf)
{
if (!queue || !queue->func || !queue->func->init_func)
return;
queue->func->init_func->gen_cmdline(queue, buf);
}
int
nvkm_msgqueue_acr_boot_falcons(struct nvkm_msgqueue *queue,
unsigned long falcon_mask)
{
unsigned long falcon;
if (!queue || !queue->func->acr_func)
return -ENODEV;
/* Does the firmware support booting multiple falcons? */
if (queue->func->acr_func->boot_multiple_falcons)
return queue->func->acr_func->boot_multiple_falcons(queue,
falcon_mask);
/* Else boot all requested falcons individually */
if (!queue->func->acr_func->boot_falcon)
return -ENODEV;
for_each_set_bit(falcon, &falcon_mask, NVKM_SECBOOT_FALCON_END) {
int ret = queue->func->acr_func->boot_falcon(queue, falcon);
if (ret)
return ret;
}
return 0;
}
int
nvkm_msgqueue_new(u32 version, struct nvkm_falcon *falcon,
const struct nvkm_secboot *sb, struct nvkm_msgqueue **queue)
{
const struct nvkm_subdev *subdev = falcon->owner;
int ret = -EINVAL;
switch (version) {
case 0x0137c63d:
ret = msgqueue_0137c63d_new(falcon, sb, queue);
break;
case 0x0137bca5:
ret = msgqueue_0137bca5_new(falcon, sb, queue);
break;
case 0x0148cdec:
case 0x015ccf3e:
case 0x0167d263:
ret = msgqueue_0148cdec_new(falcon, sb, queue);
break;
default:
nvkm_error(subdev, "unhandled firmware version 0x%08x\n",
version);
break;
}
if (ret == 0) {
nvkm_debug(subdev, "firmware version: 0x%08x\n", version);
(*queue)->fw_version = version;
}
return ret;
}
void
nvkm_msgqueue_del(struct nvkm_msgqueue **queue)
{
if (*queue) {
(*queue)->func->dtor(*queue);
*queue = NULL;
}
}
void
nvkm_msgqueue_recv(struct nvkm_msgqueue *queue)
{
if (!queue->func || !queue->func->recv) {
const struct nvkm_subdev *subdev = queue->falcon->owner;
nvkm_warn(subdev, "missing msgqueue recv function\n");
return;
}
queue->func->recv(queue);
}
int
nvkm_msgqueue_reinit(struct nvkm_msgqueue *queue)
{
/* firmware not set yet... */
if (!queue)
return 0;
queue->init_msg_received = false;
return 0;
}
void
nvkm_msgqueue_ctor(const struct nvkm_msgqueue_func *func,
struct nvkm_falcon *falcon,
struct nvkm_msgqueue *queue)
{
queue->func = func;
queue->falcon = falcon;
}
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