3f7e2ba18e
Move FLOOR_2MB() and CEIL_2MB() definitions to spdk_internal/memory.h because that is where common memory functions are located. Change-Id: I0d366686f86520e5564be07254d98a579faa3650 Signed-off-by: Vitaliy Mysak <vitaliy.mysak@intel.com> Reviewed-on: https://review.gerrithub.io/c/spdk/spdk/+/471713 Tested-by: SPDK CI Jenkins <sys_sgci@intel.com> Reviewed-by: Jim Harris <james.r.harris@intel.com> Reviewed-by: Shuhei Matsumoto <shuhei.matsumoto.xt@hitachi.com>
61 lines
2.3 KiB
C
61 lines
2.3 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_INTERNAL_MEMORY_H
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#define SPDK_INTERNAL_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 MASK_2MB ((1ULL << SHIFT_2MB) - 1)
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#define VALUE_2MB (1 << SHIFT_2MB)
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#define SHIFT_4KB 12 /* (1 << 12) == 4KB */
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#define MASK_4KB ((1ULL << SHIFT_4KB) - 1)
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#define VALUE_4KB (1 << SHIFT_4KB)
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#define _2MB_OFFSET(ptr) (((uintptr_t)(ptr)) & (VALUE_2MB - 1))
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#define _2MB_PAGE(ptr) ((ptr) & ~(0x200000 - 1))
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#define FLOOR_2MB(x) (((uintptr_t)x) / VALUE_2MB) << SHIFT_2MB
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#define CEIL_2MB(x) ((((uintptr_t)x) + VALUE_2MB - 1) / VALUE_2MB) << SHIFT_2MB
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#ifdef __cplusplus
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}
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#endif
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#endif /* SPDK_INTERNAL_MEMORY_H */
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