46 lines
1.1 KiB
C
Executable File
46 lines
1.1 KiB
C
Executable File
/*
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* Copyright (C) 2012 ARM Ltd.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for 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 __ASM_SPINLOCK_TYPES_H
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#define __ASM_SPINLOCK_TYPES_H
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#if !defined(__LINUX_SPINLOCK_TYPES_H) && !defined(__ASM_SPINLOCK_H)
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# error "please don't include this file directly"
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#endif
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#include <linux/types.h>
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#define TICKET_SHIFT 16
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typedef struct {
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#ifdef __AARCH64EB__
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u16 next;
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u16 owner;
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#else
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u16 owner;
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u16 next;
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#endif
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} __aligned(4) arch_spinlock_t;
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#define __ARCH_SPIN_LOCK_UNLOCKED { 0 , 0 }
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typedef struct {
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volatile unsigned int lock;
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} arch_rwlock_t;
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#define __ARCH_RW_LOCK_UNLOCKED { 0 }
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#endif
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