Greg Kroah-Hartman
598cf27219
Link: https://lore.kernel.org/r/20260217200002.683975158@linuxfoundation.org Tested-by: Florian Fainelli <florian.fainelli@broadcom.com> Tested-by: Takeshi Ogasawara <takeshi.ogasawara@futuring-girl.com> Tested-by: Peter Schneider <pschneider1968@googlemail.com> Tested-by: Jon Hunter <jonathanh@nvidia.com> Tested-by: Salvatore Bonaccorso <carnil@debian.org> Tested-by: Brett A C Sheffield <bacs@librecast.net> Tested-by: Mark Brown <broonie@kernel.org> Tested-by: Luna Jernberg <droidbittin@gmail.com> Tested-by: Ronald Warsow <rwarsow@gmx.de> Tested-by: Justin M. Forbes <jforbes@fedoraproject.org> Tested-by: Ron Economos <re@w6rz.net> Tested-by: Miguel Ojeda <ojeda@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
50 lines
1.6 KiB
C
50 lines
1.6 KiB
C
/* SPDX-License-Identifier: MIT */
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/*
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* Copyright © 2024 Intel Corporation
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*/
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#ifndef _XE_GUC_BUF_H_
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#define _XE_GUC_BUF_H_
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#include <linux/cleanup.h>
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#include <linux/err.h>
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#include "xe_guc_buf_types.h"
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int xe_guc_buf_cache_init(struct xe_guc_buf_cache *cache);
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int xe_guc_buf_cache_init_with_size(struct xe_guc_buf_cache *cache, u32 size);
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u32 xe_guc_buf_cache_dwords(struct xe_guc_buf_cache *cache);
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struct xe_guc_buf xe_guc_buf_reserve(struct xe_guc_buf_cache *cache, u32 dwords);
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struct xe_guc_buf xe_guc_buf_from_data(struct xe_guc_buf_cache *cache,
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const void *data, size_t size);
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void xe_guc_buf_release(const struct xe_guc_buf buf);
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/**
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* xe_guc_buf_is_valid() - Check if a buffer reference is valid.
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* @buf: the &xe_guc_buf reference to check
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*
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* Return: true if @ref represents a valid sub-allication.
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*/
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static inline bool xe_guc_buf_is_valid(const struct xe_guc_buf buf)
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{
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return !IS_ERR_OR_NULL(buf.sa);
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}
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void *xe_guc_buf_cpu_ptr(const struct xe_guc_buf buf);
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void *xe_guc_buf_sync_read(const struct xe_guc_buf buf);
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u64 xe_guc_buf_flush(const struct xe_guc_buf buf);
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u64 xe_guc_buf_gpu_addr(const struct xe_guc_buf buf);
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u64 xe_guc_cache_gpu_addr_from_ptr(struct xe_guc_buf_cache *cache, const void *ptr, u32 size);
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DEFINE_CLASS(xe_guc_buf, struct xe_guc_buf,
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xe_guc_buf_release(_T),
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xe_guc_buf_reserve(cache, num),
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struct xe_guc_buf_cache *cache, u32 num);
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DEFINE_CLASS(xe_guc_buf_from_data, struct xe_guc_buf,
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xe_guc_buf_release(_T),
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xe_guc_buf_from_data(cache, data, size),
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struct xe_guc_buf_cache *cache, const void *data, size_t size);
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#endif
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