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35 lines
1.4 KiB
C
35 lines
1.4 KiB
C
4 years ago
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/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
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#ifndef _LINUX_SUSPEND_IOCTLS_H
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#define _LINUX_SUSPEND_IOCTLS_H
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#include <linux/types.h>
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/*
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* This structure is used to pass the values needed for the identification
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* of the resume swap area from a user space to the kernel via the
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* SNAPSHOT_SET_SWAP_AREA ioctl
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*/
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struct resume_swap_area {
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__kernel_loff_t offset;
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__u32 dev;
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} __attribute__((packed));
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#define SNAPSHOT_IOC_MAGIC '3'
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#define SNAPSHOT_FREEZE _IO(SNAPSHOT_IOC_MAGIC, 1)
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#define SNAPSHOT_UNFREEZE _IO(SNAPSHOT_IOC_MAGIC, 2)
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#define SNAPSHOT_ATOMIC_RESTORE _IO(SNAPSHOT_IOC_MAGIC, 4)
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#define SNAPSHOT_FREE _IO(SNAPSHOT_IOC_MAGIC, 5)
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#define SNAPSHOT_FREE_SWAP_PAGES _IO(SNAPSHOT_IOC_MAGIC, 9)
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#define SNAPSHOT_S2RAM _IO(SNAPSHOT_IOC_MAGIC, 11)
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#define SNAPSHOT_SET_SWAP_AREA _IOW(SNAPSHOT_IOC_MAGIC, 13, \
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struct resume_swap_area)
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#define SNAPSHOT_GET_IMAGE_SIZE _IOR(SNAPSHOT_IOC_MAGIC, 14, __kernel_loff_t)
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#define SNAPSHOT_PLATFORM_SUPPORT _IO(SNAPSHOT_IOC_MAGIC, 15)
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#define SNAPSHOT_POWER_OFF _IO(SNAPSHOT_IOC_MAGIC, 16)
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#define SNAPSHOT_CREATE_IMAGE _IOW(SNAPSHOT_IOC_MAGIC, 17, int)
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#define SNAPSHOT_PREF_IMAGE_SIZE _IO(SNAPSHOT_IOC_MAGIC, 18)
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#define SNAPSHOT_AVAIL_SWAP_SIZE _IOR(SNAPSHOT_IOC_MAGIC, 19, __kernel_loff_t)
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#define SNAPSHOT_ALLOC_SWAP_PAGE _IOR(SNAPSHOT_IOC_MAGIC, 20, __kernel_loff_t)
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#define SNAPSHOT_IOC_MAXNR 20
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#endif /* _LINUX_SUSPEND_IOCTLS_H */
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