blob: 0897313f551626a8fa5e42f26607298fb55fc5d4 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
|
/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
/*
* Copyright (c) 2019 Synopsys, Inc. and/or its affiliates.
*
* Author: Vitor Soares <vitor.soares@synopsys.com>
*/
#ifndef _UAPI_I3C_DEV_H_
#define _UAPI_I3C_DEV_H_
#include <linux/types.h>
#include <linux/ioctl.h>
/* IOCTL commands */
#define I3C_DEV_IOC_MAGIC 0x07
/**
* struct i3c_ioc_priv_xfer - I3C SDR ioctl private transfer
* @data: Holds pointer to userspace buffer with transmit data.
* @len: Length of data buffer buffers, in bytes.
* @rnw: encodes the transfer direction. true for a read, false for a write
*/
struct i3c_ioc_priv_xfer {
__u64 data;
__u16 len;
__u8 rnw;
__u8 pad[5];
};
#define I3C_PRIV_XFER_SIZE(N) \
((((sizeof(struct i3c_ioc_priv_xfer)) * (N)) < (1 << _IOC_SIZEBITS)) \
? ((sizeof(struct i3c_ioc_priv_xfer)) * (N)) : 0)
#define I3C_IOC_PRIV_XFER(N) \
_IOC(_IOC_READ|_IOC_WRITE, I3C_DEV_IOC_MAGIC, 30, I3C_PRIV_XFER_SIZE(N))
#endif
|
