mirror of
git://nv-tegra.nvidia.com/linux-nv-oot.git
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c89da8defd
- Allocate DMA mapped buffer from DCE-KMD and pass it to DCE FW through admin-cmd calls. - Add debugfs node to retrieve buffer data and print through seq file. - Add support to clear log buffer JIRA TDS-15963 Change-Id: Ied4ffe1df14c8db61cfe15e6442f55e8306530b8 Signed-off-by: jaiyasha <jaiyasha@nvidia.com> Reviewed-on: https://git-master.nvidia.com/r/c/linux-nv-oot/+/3117241 GVS: buildbot_gerritrpt <buildbot_gerritrpt@nvidia.com> Reviewed-by: Mahesh Kumar <mahkumar@nvidia.com> Tested-by: Mahesh Kumar <mahkumar@nvidia.com> Reviewed-by: Vinod Gopalakrishnakurup <vinodg@nvidia.com>
114 lines
3.3 KiB
C
114 lines
3.3 KiB
C
// SPDX-License-Identifier: MIT
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/*
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* SPDX-FileCopyrightText: Copyright (c) 2025 NVIDIA CORPORATION & AFFILIATES. All rights reserved.
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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 AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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* DEALINGS IN THE SOFTWARE.
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*/
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#include <dce.h>
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#include <dce-logging.h>
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#include <dce-os-utils.h>
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int dce_log_buf_mem_init(struct tegra_dce *d)
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{
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int ret = 0;
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ret = dce_os_init_log_buffer(d);
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if (ret) {
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dce_os_err(d, "Failed to allocate memory for DCE log buffer");
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goto out;
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}
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out:
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if (ret)
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dce_os_deinit_log_buffer(d);
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return ret;
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}
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int dce_log_init(struct tegra_dce *d, struct dce_ipc_message *msg)
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{
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int ret = -1;
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struct dce_log_buffer *buffer;
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struct dce_admin_ipc_cmd *req_msg;
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struct dce_admin_set_log_info *set_info;
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req_msg = (struct dce_admin_ipc_cmd *)(msg->tx.data);
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set_info = (struct dce_admin_set_log_info *)(&req_msg->args.log.set_log_info);
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buffer = &d->dce_log_buff;
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set_info->flags = DCE_ADMIN_LOG_FL_SET_IOVA_ADDR | DCE_ADMIN_LOG_FL_SET_LOG_LVL;
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set_info->iova = buffer->iova_addr;
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set_info->buff_size = buffer->size;
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set_info->log_level = (uint32_t)DCE_LOG_DEFAULT_LOG_LVL;
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set_info->stream_id = dce_os_get_dce_stream_id(d);
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ret = dce_admin_set_log_info(d, msg);
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if (ret) {
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dce_os_err(d, "Failed to initialize logging, ret = %d\n", ret);
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goto out;
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}
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out:
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return ret;
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}
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int dce_log_clear_buffer(struct tegra_dce *d, struct dce_ipc_message *msg)
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{
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int ret = -1;
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struct dce_admin_ipc_cmd *req_msg;
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struct dce_admin_set_log_info *ipc_info;
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req_msg = (struct dce_admin_ipc_cmd *)(msg->tx.data);
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ipc_info = (struct dce_admin_set_log_info *)(&req_msg->args.log.set_log_info);
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ipc_info->flags |= DCE_ADMIN_LOG_FL_CLEAR_BUFFER;
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ret = dce_admin_set_log_info(d, msg);
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if (ret) {
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dce_os_err(d, "Failed while making set admin call, ret = %d\n", ret);
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goto out;
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}
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out:
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return ret;
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}
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int dce_log_set_log_level(struct tegra_dce *d, struct dce_ipc_message *msg,
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u32 log_lvl)
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{
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int ret = -1;
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struct dce_admin_ipc_cmd *req_msg;
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struct dce_admin_set_log_info *ipc_info;
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req_msg = (struct dce_admin_ipc_cmd *)(msg->tx.data);
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ipc_info = (struct dce_admin_set_log_info *)(&req_msg->args.log.set_log_info);
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ipc_info->flags |= DCE_ADMIN_LOG_FL_SET_LOG_LVL;
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ipc_info->log_level = log_lvl;
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ret = dce_admin_set_log_info(d, msg);
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if (ret) {
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dce_os_err(d, "Failed while making set admin call, ret = %d\n", ret);
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goto out;
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}
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out:
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return ret;
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}
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