/*******************************************************************************
    Copyright (c) 2019-2020 NVidia Corporation

    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 AUTHORS OR COPYRIGHT HOLDERS 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 "nvlink.h"
#include "nvlink_export.h"
#include "nvlink_os.h"
#include "../nvlink_ctx.h"
#include "../nvlink_helper.h"

static void _nvlink_core_print_link(nvlink_link *);

/**
 * Print link state of a single nvlink_link
 *
 * @param[in]  link  NVLink Link pointer
 */
void
nvlink_core_print_link_state
(
    nvlink_link *link
)
{
    NvU64 linkMode         = 0;
    NvU64 txSublinkMode    = 0;
    NvU64 rxSublinkMode    = 0;
    NvU32 txSublinkSubMode = 0;
    NvU32 rxSublinkSubMode = 0;

    link->link_handlers->get_dl_link_mode(link, &linkMode);
    link->link_handlers->get_tx_mode(link, &txSublinkMode, &txSublinkSubMode);
    link->link_handlers->get_rx_mode(link, &rxSublinkMode, &rxSublinkSubMode);

    NVLINK_PRINT((DBG_MODULE_NVLINK_CORE, NVLINK_DBG_LEVEL_INFO,
        "%s: %s:%s linkMode: %lld txSublinkMode: %lld rxSublinkMode: %lld\n",
        __FUNCTION__,
        link->dev->deviceName, link->linkName,
        linkMode, txSublinkMode, rxSublinkMode));
}

/**
 * Print information of a single nvlink intranode connection
 *
 * @param[in]  conn  NVLink connection pointer
 */
void
nvlink_core_print_intranode_conn
(
    nvlink_intranode_conn *conn
)
{
    if (NULL == conn) return;

    _nvlink_core_print_link(conn->end0);
    NVLINK_PRINT((DBG_MODULE_NVLINK_CORE, NVLINK_DBG_LEVEL_INFO, " <---> "));
    _nvlink_core_print_link(conn->end1);
    NVLINK_PRINT((DBG_MODULE_NVLINK_CORE, NVLINK_DBG_LEVEL_INFO, "\n"));
}

/**
 * Print link type and device information of a single nvlink_link
 *
 * @param[in]  link  NVLink Link pointer
 */
static void
_nvlink_core_print_link
(
    nvlink_link *link
)
{
    switch (link->dev->type)
    {
        case NVLINK_DEVICE_TYPE_GPU:
            NVLINK_PRINT((DBG_MODULE_NVLINK_CORE, NVLINK_DBG_LEVEL_INFO, "NVGPU"));
            break;
        case NVLINK_DEVICE_TYPE_IBMNPU:
            NVLINK_PRINT((DBG_MODULE_NVLINK_CORE, NVLINK_DBG_LEVEL_INFO, "IBMNPU"));
            break;
        case NVLINK_DEVICE_TYPE_NVSWITCH:
            NVLINK_PRINT((DBG_MODULE_NVLINK_CORE, NVLINK_DBG_LEVEL_INFO, "NVSWITCH"));
            break;
        case NVLINK_DEVICE_TYPE_EBRIDGE:
            NVLINK_PRINT((DBG_MODULE_NVLINK_CORE, NVLINK_DBG_LEVEL_INFO, "EBRIDGE"));
            break;
    }

    NVLINK_PRINT((DBG_MODULE_NVLINK_CORE, NVLINK_DBG_LEVEL_INFO,
        "(%x): %04x:%02x:%02x.%x %s",
        link->dev->pciInfo.device,
        link->dev->pciInfo.domain,
        link->dev->pciInfo.bus,
        link->dev->pciInfo.device,
        link->dev->pciInfo.function,
        link->linkName));
}
