e03861f138
There's no reason not to publish those. Especially if they're needed in other public headers. Change-Id: I7dfc6922fcc0dfc46822ad8a16a375f997b98e84 Signed-off-by: Darek Stojaczyk <dariusz.stojaczyk@intel.com> Reviewed-on: https://review.spdk.io/gerrit/c/spdk/spdk/+/1041 Tested-by: SPDK CI Jenkins <sys_sgci@intel.com> Reviewed-by: Aleksey Marchuk <alexeymar@mellanox.com> Reviewed-by: Ben Walker <benjamin.walker@intel.com> Reviewed-by: Shuhei Matsumoto <shuhei.matsumoto.xt@hitachi.com>
61 lines
2.2 KiB
C
61 lines
2.2 KiB
C
/*-
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* BSD LICENSE
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*
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* Copyright (c) Intel Corporation.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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* * Neither the name of Intel Corporation nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef SPDK_MEMORY_H
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#define SPDK_MEMORY_H
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#include "spdk/stdinc.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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#define SHIFT_2MB 21 /* (1 << 21) == 2MB */
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#define VALUE_2MB (1ULL << SHIFT_2MB)
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#define MASK_2MB (VALUE_2MB - 1)
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#define SHIFT_4KB 12 /* (1 << 12) == 4KB */
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#define VALUE_4KB (1ULL << SHIFT_4KB)
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#define MASK_4KB (VALUE_4KB - 1)
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#define _2MB_OFFSET(ptr) (((uintptr_t)(ptr)) & MASK_2MB)
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#define _2MB_PAGE(ptr) FLOOR_2MB((uintptr_t)(ptr))
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#define FLOOR_2MB(x) (((uintptr_t)(x)) & ~MASK_2MB)
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#define CEIL_2MB(x) FLOOR_2MB(((uintptr_t)(x)) + VALUE_2MB - 1)
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#ifdef __cplusplus
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}
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#endif
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#endif /* SPDK_MEMORY_H */
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