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Subcontext PDBs and valid mask in the instance blocks of the channels in various subcontexts has to be updated when new subcontext is created or a subcontext is removed. Replayable fault state is cached in the channel structure. Replayable fault state for subcontext is set based on first channel's bind parameter. It was earlier programmed in function channel_setup_ramfc. init_inst_block_core is updated to setup TSG level pdb map and mask. Added new hal gv11b_channel_bind to enable the subcontext on channel bind. Bug 3677982 Change-Id: I58156c5b3ab6309b6a4b8e72b0e798d6a39c1bee Signed-off-by: Sagar Kamble <skamble@nvidia.com> Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2719994 Reviewed-by: Ankur Kishore <ankkishore@nvidia.com> GVS: Gerrit_Virtual_Submit <buildbot_gerritrpt@nvidia.com>
99 lines
3.6 KiB
C
99 lines
3.6 KiB
C
/*
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* Copyright (c) 2016-2022, NVIDIA CORPORATION. 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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#ifndef NVGPU_TSG_GV11B_H
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#define NVGPU_TSG_GV11B_H
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struct nvgpu_tsg;
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struct nvgpu_channel;
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struct nvgpu_channel_hw_state;
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void gv11b_tsg_enable(struct nvgpu_tsg *tsg);
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void gv11b_tsg_unbind_channel_check_eng_faulted(struct nvgpu_tsg *tsg,
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struct nvgpu_channel *ch,
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struct nvgpu_channel_hw_state *hw_state);
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int gv11b_tsg_init_eng_method_buffers(struct gk20a *g,
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struct nvgpu_tsg *tsg);
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void gv11b_tsg_deinit_eng_method_buffers(struct gk20a *g,
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struct nvgpu_tsg *tsg);
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void gv11b_tsg_bind_channel_eng_method_buffers(struct nvgpu_tsg *tsg,
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struct nvgpu_channel *ch);
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/**
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* @brief Initialize subcontext PDB map and valid mask for a TSG.
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*
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* @param g [in] Pointer to GPU driver struct.
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* @param tsg [in] Pointer to TSG struct.
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*
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* - If subcontexts are enabled:
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* - Allocate array of PDB configuration values for maximum supported
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* subcontexts.
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* - Initialize the array by calling g->ops.ramin.init_subctx_pdb_map.
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* - Allocate valid subcontexts bitmask.
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*
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* @return 0 in case of success, < 0 in case of failure.
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*/
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int gv11b_tsg_init_subctx_state(struct gk20a *g, struct nvgpu_tsg *tsg);
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/**
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* @brief Deinitialize subcontext PDB map and valid mask for a TSG.
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*
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* @param g [in] Pointer to GPU driver struct.
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* @param tsg [in] Pointer to TSG struct.
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*
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* - If subcontexts are enabled:
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* - Free array of PDB configuration values.
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* - Free valid subcontexts bitmask.
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*/
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void gv11b_tsg_deinit_subctx_state(struct gk20a *g, struct nvgpu_tsg *tsg);
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/**
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* @brief Add a subctx channel to TSG.
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*
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* @param ch [in] Pointer to Channel struct.
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* @param replayable [in] replayable state of the channel.
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*
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* - If subcontexts are enabled:
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* - Update subcontext info in TSG members if this is first channel
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* of a subcontext and update instance blocks of all channels
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* in the TSG with this information.
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* - If this is a channel in existing subcontext then:
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* - Update the channel instance block with subcontext info.
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*
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* @return 0 in case of success, < 0 in case of failure.
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*/
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int gv11b_tsg_add_subctx_channel_hw(struct nvgpu_channel *ch, bool replayable);
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/**
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* @brief Remove a subctx channel from TSG.
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*
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* @param ch [in] Pointer to Channel struct.
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*
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* - If subcontexts are enabled:
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* - Update subcontext info in TSG members as this is the last channel
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* of a subcontext and update instance blocks of all channels
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* in the TSG with this information.
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*/
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void gv11b_tsg_remove_subctx_channel_hw(struct nvgpu_channel *ch);
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#endif /* NVGPU_TSG_GV11B_H */
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