Dr Andrew Scott G7VAV

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suspend_ioctls.h
01: #ifndef _LINUX_SUSPEND_IOCTLS_H
02: #define _LINUX_SUSPEND_IOCTLS_H
03: 
04: #include <linux/types.h>
05: /*
06:  * This structure is used to pass the values needed for the identification
07:  * of the resume swap area from a user space to the kernel via the
08:  * SNAPSHOT_SET_SWAP_AREA ioctl
09:  */
10: struct resume_swap_area {
11:         __kernel_loff_t offset;
12:         __u32 dev;
13: } __attribute__((packed));
14: 
15: #define SNAPSHOT_IOC_MAGIC      '3'
16: #define SNAPSHOT_FREEZE                 _IO(SNAPSHOT_IOC_MAGIC, 1)
17: #define SNAPSHOT_UNFREEZE               _IO(SNAPSHOT_IOC_MAGIC, 2)
18: #define SNAPSHOT_ATOMIC_RESTORE         _IO(SNAPSHOT_IOC_MAGIC, 4)
19: #define SNAPSHOT_FREE                   _IO(SNAPSHOT_IOC_MAGIC, 5)
20: #define SNAPSHOT_FREE_SWAP_PAGES        _IO(SNAPSHOT_IOC_MAGIC, 9)
21: #define SNAPSHOT_S2RAM                  _IO(SNAPSHOT_IOC_MAGIC, 11)
22: #define SNAPSHOT_SET_SWAP_AREA          _IOW(SNAPSHOT_IOC_MAGIC, 13, \
23:                                                         struct resume_swap_area)
24: #define SNAPSHOT_GET_IMAGE_SIZE         _IOR(SNAPSHOT_IOC_MAGIC, 14, __kernel_loff_t)
25: #define SNAPSHOT_PLATFORM_SUPPORT       _IO(SNAPSHOT_IOC_MAGIC, 15)
26: #define SNAPSHOT_POWER_OFF              _IO(SNAPSHOT_IOC_MAGIC, 16)
27: #define SNAPSHOT_CREATE_IMAGE           _IOW(SNAPSHOT_IOC_MAGIC, 17, int)
28: #define SNAPSHOT_PREF_IMAGE_SIZE        _IO(SNAPSHOT_IOC_MAGIC, 18)
29: #define SNAPSHOT_AVAIL_SWAP_SIZE        _IOR(SNAPSHOT_IOC_MAGIC, 19, __kernel_loff_t)
30: #define SNAPSHOT_ALLOC_SWAP_PAGE        _IOR(SNAPSHOT_IOC_MAGIC, 20, __kernel_loff_t)
31: #define SNAPSHOT_IOC_MAXNR      20
32: 
33: #endif /* _LINUX_SUSPEND_IOCTLS_H */
34: 


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Andrew Scott
http://www.andrew-scott.co.uk/