58 lines
1.4 KiB
C
58 lines
1.4 KiB
C
/*
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* Copyright (c) 2017 NVIDIA Corporation. All rights reserved.
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms and conditions of the GNU General Public License,
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* version 2, as published by the Free Software Foundation.
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*
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* This program is distributed in the hope it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef _PVA_TRACE_H_
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#define _PVA_TRACE_H_
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/*
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* Individual Trace point
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*
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* The delta time recorded in each trace point is the time from the previous
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* trace point. The first trace point in a block of trace points will have
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* a delta time of 0 (it is referencing the absolute time of the block).
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*/
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struct pva_trace_point {
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u32 delta_time;
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u8 major;
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u8 minor;
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u8 flags;
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u8 sequence;
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u32 arg1;
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u32 arg2;
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};
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/*
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* Trace block header that is written to DRAM, the indicated number of
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* trace points immediately follows the header.
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*/
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struct pva_trace_block_hdr {
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u64 start_time;
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u16 n_entries;
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u16 reserved_1;
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u32 reserved_2;
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u8 align[48];
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};
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struct pva_trace_header {
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u32 block_size;
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u32 head_offset;
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u32 tail_offset;
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u8 align[52];
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};
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#endif
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