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50 lines
1.2 KiB
C
50 lines
1.2 KiB
C
//The below defines are from Linux kernel ioctl.h.
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#define _IOC_NRBITS 8
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#define _IOC_TYPEBITS 8
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#define _IOC_SIZEBITS 14
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#define _IOC_DIRBITS 2
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#define _IOC_NRMASK ((1 << _IOC_NRBITS)-1)
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#define _IOC_TYPEMASK ((1 << _IOC_TYPEBITS)-1)
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#define _IOC_SIZEMASK ((1 << _IOC_SIZEBITS)-1)
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#define _IOC_DIRMASK ((1 << _IOC_DIRBITS)-1)
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#define _IOC_NRSHIFT 0
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#define _IOC_TYPESHIFT (_IOC_NRSHIFT+_IOC_NRBITS)
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#define _IOC_SIZESHIFT (_IOC_TYPESHIFT+_IOC_TYPEBITS)
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#define _IOC_DIRSHIFT (_IOC_SIZESHIFT+_IOC_SIZEBITS)
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/*
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* Direction bits.
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*/
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#define _IOC_NONE 0U
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#define _IOC_WRITE 1U
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#define _IOC_READ 2U
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#define _IOC(dir,type,nr,size) \
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(((dir) << _IOC_DIRSHIFT) | \
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((type) << _IOC_TYPESHIFT) | \
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((nr) << _IOC_NRSHIFT) | \
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((size) << _IOC_SIZESHIFT))
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/* used to decode ioctl numbers.. */
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#define _IOC_SIZE(nr) (((nr) >> _IOC_SIZESHIFT) & _IOC_SIZEMASK)
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typedef enum {
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NVSERVTYPE_Default = -1,
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NVSERVTYPE_Application = 0,
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NVSERVTYPE_Applet = 1,
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NVSERVTYPE_Sysmodule = 2,
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NVSERVTYPE_T = 3,
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} nvServiceType;
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Result nvInitialize(nvServiceType servicetype, size_t sharedmem_size);
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void nvExit(void);
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Result nvOpen(u32 *fd, const char *devicepath);
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Result nvIoctl(u32 fd, u32 request, void* argp);
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Result nvClose(u32 fd);
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