24 lines
1015 B
C
24 lines
1015 B
C
/* SPDX-License-Identifier: Unlicense */
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#ifndef __ZINNIA_UAPI_IOCTLS_H
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#define __ZINNIA_UAPI_IOCTLS_H
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#define __IOC_VOID 0x00000000U
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#define __IOC_OUT 0x40000000U
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#define __IOC_IN 0x80000000U
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#define __IOC_INOUT (__IOC_IN | __IOC_OUT)
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#define __IOC(inout, group, num, len) ((inout) | (((len) & 0x3FFF) << 16) | ((group) << 8) | (num))
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#define __IO(group, num) __IOC(__IOC_VOID, (group), (num), 0)
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#define __IOR(group, num, type) __IOC(__IOC_OUT, (group), (num), sizeof(type))
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#define __IOW(group, num, type) __IOC(__IOC_IN, (group), (num), sizeof(type))
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#define __IOWR(group, num, type) __IOC(__IOC_INOUT, (group), (num), sizeof(type))
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#define __IOWINT(group, num) __IOC(__IOC_VOID, (group), (num), sizeof(int))
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#define __IOC_GROUP(req) (((req) >> 8) & 0xFF)
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#define __IOC_NUM(req) ((req) & 0xFF)
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#define __IOC_LEN(req) (((req) >> 16) & 0x3FFF)
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#define __FIONREAD __IO('T', 0x1B)
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#define __FIONBIO __IO('T', 0x21)
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#endif
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