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e588f6dfa6
Because of hash collisions tests should only ever compare crc checksums for equality. Checking for inequality can result in random failures. To ensure this only expose and igt_assert function and use that. Follow-up patches will rework the code for tests which don't follow this requirement and try to compare for CRC inequality. v2: Rebase on top of Matt's kms_plane changes. Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
147 lines
4.0 KiB
C
147 lines
4.0 KiB
C
/*
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* Copyright © 2013 Intel Corporation
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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 (including the next
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* paragraph) shall be included in all copies or substantial portions of the
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* 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 DEALINGS
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* IN THE SOFTWARE.
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*
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*/
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#ifndef __IGT_DEBUGFS_H__
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#define __IGT_DEBUGFS_H__
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#include <stdbool.h>
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#include <stdint.h>
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#include <stdio.h>
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enum pipe;
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int igt_debugfs_open(const char *filename, int mode);
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FILE *igt_debugfs_fopen(const char *filename,
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const char *mode);
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/*
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* Pipe CRC
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*/
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/**
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* igt_pipe_crc_t:
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*
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* Pipe CRC support structure. Needs to be allocated and set up with
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* igt_pipe_crc_new() for a specific pipe and pipe CRC source value.
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*/
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typedef struct _igt_pipe_crc igt_pipe_crc_t;
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/**
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* igt_crc_t:
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* @frame: frame number of the capture CRC
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* @n_words: internal field, don't access
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* @crc: internal field, don't access
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*
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* Pipe CRC value. All other members than @frame are private and should not be
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* inspected by testcases.
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*/
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typedef struct {
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uint32_t frame;
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int n_words;
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uint32_t crc[5];
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} igt_crc_t;
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/**
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* intel_pipe_crc_source:
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*
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* Enumeration of all supported pipe CRC sources. Not all platforms and all
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* outputs support all of them. Generic tests should just use
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* INTEL_PIPE_CRC_SOURCE_AUTO. It should always map to an end-of-pipe CRC
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* suitable for checking planes, cursor, color correction and any other
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* output-agnostic features.
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*/
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enum intel_pipe_crc_source {
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INTEL_PIPE_CRC_SOURCE_NONE,
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INTEL_PIPE_CRC_SOURCE_PLANE1,
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INTEL_PIPE_CRC_SOURCE_PLANE2,
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INTEL_PIPE_CRC_SOURCE_PF,
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INTEL_PIPE_CRC_SOURCE_PIPE,
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INTEL_PIPE_CRC_SOURCE_TV,
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INTEL_PIPE_CRC_SOURCE_DP_B,
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INTEL_PIPE_CRC_SOURCE_DP_C,
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INTEL_PIPE_CRC_SOURCE_DP_D,
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INTEL_PIPE_CRC_SOURCE_AUTO,
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INTEL_PIPE_CRC_SOURCE_MAX,
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};
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bool igt_crc_is_null(igt_crc_t *crc);
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bool igt_crc_equal(igt_crc_t *a, igt_crc_t *b);
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void igt_assert_crc_equal(igt_crc_t *a, igt_crc_t *b);
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char *igt_crc_to_string(igt_crc_t *crc);
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void igt_require_pipe_crc(void);
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igt_pipe_crc_t *
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igt_pipe_crc_new(enum pipe pipe, enum intel_pipe_crc_source source);
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void igt_pipe_crc_free(igt_pipe_crc_t *pipe_crc);
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void igt_pipe_crc_start(igt_pipe_crc_t *pipe_crc);
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void igt_pipe_crc_stop(igt_pipe_crc_t *pipe_crc);
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void igt_pipe_crc_get_crcs(igt_pipe_crc_t *pipe_crc, int n_crcs,
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igt_crc_t **out_crcs);
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void igt_pipe_crc_collect_crc(igt_pipe_crc_t *pipe_crc, igt_crc_t *out_crc);
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/*
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* Drop caches
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*/
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/**
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* DROP_UNBOUND:
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*
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* Drop all currently unbound gem buffer objects from the cache.
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*/
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#define DROP_UNBOUND 0x1
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/**
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* DROP_BOUND:
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*
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* Drop all inactive objects which are bound into some gpu address space.
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*/
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#define DROP_BOUND 0x2
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/**
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* DROP_RETIRE:
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*
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* Wait for all outstanding gpu commands to complete, but do not take any
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* further actions.
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*/
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#define DROP_RETIRE 0x4
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/**
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* DROP_ACTIVE:
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*
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* Also drop active objects once retired.
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*/
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#define DROP_ACTIVE 0x8
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#define DROP_ALL (DROP_UNBOUND | \
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DROP_BOUND | \
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DROP_RETIRE | \
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DROP_ACTIVE)
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void igt_drop_caches_set(uint64_t val);
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/*
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* Prefault control
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*/
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void igt_disable_prefault(void);
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void igt_enable_prefault(void);
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#endif /* __IGT_DEBUGFS_H__ */
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