Files
linux-nvgpu/drivers/gpu/nvgpu/hal/fifo/fifo_gv11b.h
Vedashree Vidwans d90c5ed371 gpu: nvgpu: update docs for fifo api
Add more detailed documentation for the fifo api in fifo.h as per the
new guidelines. Add documentation for related fifo hals.

Jira NVGPU-6997

Change-Id: Ibad7b0567dddfb780cf9e3cb053ea4ffc248fdf6
Signed-off-by: Vedashree Vidwans <vvidwans@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2588419
(cherry picked from commit id 736ad1b4249a22955d41564d298757e6d60f21ac)
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2614743
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
Reviewed-by: svcacv <svcacv@nvidia.com>
Reviewed-by: Seema Khowala <seemaj@nvidia.com>
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
2021-10-22 19:08:52 -07:00

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2.2 KiB
C

/*
* GV11B Fifo
*
* Copyright (c) 2016-2021, 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_FIFO_GV11B_H
#define NVGPU_FIFO_GV11B_H
#include <nvgpu/types.h>
/**
* @file
*
* FIFO HAL GV11B.
*/
struct gk20a;
int gv11b_init_fifo_reset_enable_hw(struct gk20a *g);
/**
* @brief Update userd configuration and read FIFO chip settings.
*
* @param g [in] The GPU driver struct.
* - The function does not perform g parameter validation.
*
* Get fifo pointer from GPU pointer as g->fifo.
* Set maximum number of VEIDs supported by chip in #nvgpu_fifo.max_subctx_count
* using \ref gops_gr_init.get_max_subctx_count
* "gops_gr_init.get_max_subctx_count()".
* Set fifo_userd_writeback_timer_f() of register fifo_userd_writeback_r() to
* fifo_userd_writeback_timer_100us_v().
*
* For gv11b, this function is mapped to \ref gops_fifo.init_fifo_setup_hw
* "gops_fifo.init_fifo_setup_hw(g)".
*
* @retval 0 in case of success.
*/
int gv11b_init_fifo_setup_hw(struct gk20a *g);
u32 gv11b_fifo_mmu_fault_id_to_pbdma_id(struct gk20a *g, u32 mmu_fault_id);
#endif /* NVGPU_FIFO_GV11B_H */