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      1 /* $NetBSD: cpuio.h,v 1.10 2019/01/27 02:58:47 christos Exp $ */
      2 
      3 /*-
      4  * Copyright (c) 2018 The NetBSD Foundation, Inc.
      5  * All rights reserved.
      6  *
      7  * This code is derived from software contributed to The NetBSD Foundation
      8  * by Christos Zoulas
      9  *
     10  * Redistribution and use in source and binary forms, with or without
     11  * modification, are permitted provided that the following conditions
     12  * are met:
     13  * 1. Redistributions of source code must retain the above copyright
     14  *    notice, this list of conditions and the following disclaimer.
     15  * 2. Redistributions in binary form must reproduce the above copyright
     16  *    notice, this list of conditions and the following disclaimer in the
     17  *    documentation and/or other materials provided with the distribution.
     18  *
     19  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     20  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     21  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     22  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     23  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     24  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     25  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     26  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     27  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     28  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     29  * POSSIBILITY OF SUCH DAMAGE.
     30  */
     31 
     32 #ifndef _SYS_COMPAT_CPUIO_H_
     33 #define _SYS_COMPAT_CPUIO_H_
     34 
     35 #include <sys/ioccom.h>
     36 
     37 struct compat6_cpu_ucode {
     38 	uint64_t version;
     39 	char fwname[PATH_MAX];
     40 };
     41 
     42 extern int (*compat_cpuctl_ioctl)(struct lwp *, u_long, void *);
     43 
     44 #define OIOC_CPU_UCODE_GET_VERSION      _IOR('c', 4, struct compat6_cpu_ucode)
     45 #define OIOC_CPU_UCODE_APPLY            _IOW('c', 5, struct compat6_cpu_ucode)
     46 
     47 void kern_cpu_60_init(void);
     48 void kern_cpu_60_fini(void);
     49 
     50 #endif /* _SYS_COMPAT_CPUIO_H_ */
     51