| # Copyright 2018 syzkaller project authors. All rights reserved. |
| # Use of this source code is governed by Apache 2 LICENSE that can be found in the LICENSE file. |
| |
| include <uapi/linux/i2c-dev.h> |
| include <uapi/linux/i2c.h> |
| |
| define I2C_MAX_BLOCK (I2C_SMBUS_BLOCK_MAX + 2) |
| |
| resource fd_i2c[fd] |
| |
| syz_open_dev$I2C(dev ptr[in, string["/dev/i2c-#"]], id intptr, flags flags[open_flags]) fd_i2c |
| |
| ioctl$I2C_RETRIES(fd fd_i2c, cmd const[I2C_RETRIES], arg intptr) |
| ioctl$I2C_TIMEOUT(fd fd_i2c, cmd const[I2C_TIMEOUT], arg intptr) |
| ioctl$I2C_SLAVE(fd fd_i2c, cmd const[I2C_SLAVE], arg intptr[0:0x3ff]) |
| ioctl$I2C_SLAVE_FORCE(fd fd_i2c, cmd const[I2C_SLAVE_FORCE], arg intptr[0:0x3ff]) |
| ioctl$I2C_TENBIT(fd fd_i2c, cmd const[I2C_TENBIT], arg boolptr) |
| ioctl$I2C_PEC(fd fd_i2c, cmd const[I2C_PEC], arg intptr) |
| |
| ioctl$I2C_FUNCS(fd fd_i2c, cmd const[I2C_FUNCS], arg ptr[in, intptr]) |
| ioctl$I2C_RDWR(fd fd_i2c, cmd const[I2C_RDWR], arg ptr[in, i2c_rdwr_ioctl_data]) |
| ioctl$I2C_SMBUS(fd fd_i2c, cmd const[I2C_SMBUS], arg ptr[in, i2c_smbus_ioctl_data]) |
| |
| i2c_smbus_ioctl_data { |
| read_write bool8 |
| command int8 |
| size int32[I2C_SMBUS_QUICK:I2C_SMBUS_I2C_BLOCK_DATA] |
| data ptr[in, i2c_smbus_data] |
| } |
| |
| i2c_smbus_data [ |
| byte int8 |
| word int16 |
| block array[int8, I2C_MAX_BLOCK] |
| ] |
| |
| i2c_rdwr_ioctl_data { |
| msgs ptr[in, array[i2c_msg]] |
| nmsgs len[msgs, int32] |
| } |
| |
| i2c_msg { |
| addr int16 |
| flags flags[i2c_msg_flags, int16] |
| len len[buf, int16] |
| buf ptr[in, array[int8]] |
| } |
| |
| i2c_msg_flags = I2C_M_RD, I2C_M_TEN, I2C_M_DMA_SAFE, I2C_M_RECV_LEN, I2C_M_NO_RD_ACK, I2C_M_IGNORE_NAK, I2C_M_REV_DIR_ADDR, I2C_M_NOSTART, I2C_M_STOP |