1 /* 2 * This file and its contents are supplied under the terms of the 3 * Common Development and Distribution License ("CDDL"), version 1.0. 4 * You may only use this file in accordance with the terms of version 5 * 1.0 of the CDDL. 6 * 7 * A full copy of the text of the CDDL should have accompanied this 8 * source. A copy of the CDDL is also available via the Internet at 9 * http://www.illumos.org/license/CDDL. 10 */ 11 12 /* 13 * Copyright 2025 Oxide Computer Company 14 */ 15 16 #ifndef _I2CSIM_H 17 #define _I2CSIM_H 18 19 /* 20 * Definitions for accesss to the I2C Simulation driver. 21 */ 22 23 #include <sys/i2c/i2c.h> 24 25 #ifdef __cplusplus 26 extern "C" { 27 #endif 28 29 #define I2CSIM_IOCTL (('i' << 24) | ('s' << 16) | ('m' << 8)) 30 31 typedef struct i2csim_req { 32 uint64_t i2csim_seq; 33 uint32_t i2csim_ctrl; 34 uint32_t i2csim_port; 35 i2c_ctrl_type_t i2csim_type; 36 i2c_req_t i2csim_i2c; 37 smbus_req_t i2csim_smbus; 38 } i2csim_req_t; 39 40 #define I2CSIM_REQUEST (I2CSIM_IOCTL | 0) 41 #define I2CSIM_REPLY (I2CSIM_IOCTL | 1) 42 43 #ifdef __cplusplus 44 } 45 #endif 46 47 #endif /* _I2CSIM_H */ 48