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/*
* Copyright (c) 2018, 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 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.
*/
#ifndef NVGPU_NVLINK_GV100_H
#define NVGPU_NVLINK_GV100_H
#define GV100_CONNECTED_LINK_MASK 0x8
struct gk20a;
int gv100_nvlink_discover_ioctrl(struct gk20a *g);
int gv100_nvlink_discover_link(struct gk20a *g);
int gv100_nvlink_init(struct gk20a *g);
int gv100_nvlink_isr(struct gk20a *g);
int gv100_nvlink_minion_send_command(struct gk20a *g, u32 link_id, u32 command,
u32 scratch_0, bool sync);
int gv100_nvlink_setup_pll(struct gk20a *g, unsigned long link_mask);
int gv100_nvlink_minion_data_ready_en(struct gk20a *g,
unsigned long link_mask, bool sync);
void gv100_nvlink_get_connected_link_mask(u32 *link_mask);
void gv100_nvlink_set_sw_war(struct gk20a *g, u32 link_id);
/* API */
int gv100_nvlink_link_early_init(struct gk20a *g, unsigned long mask);
u32 gv100_nvlink_link_get_mode(struct gk20a *g, u32 link_id);
u32 gv100_nvlink_link_get_state(struct gk20a *g, u32 link_id);
int gv100_nvlink_link_set_mode(struct gk20a *g, u32 link_id, u32 mode);
u32 gv100_nvlink_link_get_sublink_mode(struct gk20a *g, u32 link_id,
bool is_rx_sublink);
u32 gv100_nvlink_link_get_tx_sublink_state(struct gk20a *g, u32 link_id);
u32 gv100_nvlink_link_get_rx_sublink_state(struct gk20a *g, u32 link_id);
int gv100_nvlink_link_set_sublink_mode(struct gk20a *g, u32 link_id,
bool is_rx_sublink, u32 mode);
int gv100_nvlink_interface_init(struct gk20a *g);
int gv100_nvlink_interface_disable(struct gk20a *g);
int gv100_nvlink_reg_init(struct gk20a *g);
int gv100_nvlink_shutdown(struct gk20a *g);
int gv100_nvlink_early_init(struct gk20a *g);
#endif
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