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 2020 Oxide Computer Company 14 */ 15 16 #ifndef _USMN_H 17 #define _USMN_H 18 19 /* 20 * Private ioctls for interfacing with the usmn driver. 21 */ 22 23 #ifdef __cplusplus 24 extern "C" { 25 #endif 26 27 #define USMN_IOCTL (('u' << 24) | ('s' << 16) | ('m' << 8)) 28 29 #define USMN_READ (USMN_IOCTL | 0x01) 30 #define USMN_WRITE (USMN_IOCTL | 0x02) 31 32 typedef struct usmn_reg { 33 uint32_t usr_addr; 34 uint32_t usr_data; 35 } usmn_reg_t; 36 37 #ifdef __cplusplus 38 } 39 #endif 40 41 #endif /* _USMN_H */ 42