1 /* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License (the "License"). 6 * You may not use this file except in compliance with the License. 7 * 8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9 * or http://www.opensolaris.org/os/licensing. 10 * See the License for the specific language governing permissions 11 * and limitations under the License. 12 * 13 * When distributing Covered Code, include this CDDL HEADER in each 14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15 * If applicable, add the following below this CDDL HEADER, with the 16 * fields enclosed by brackets "[]" replaced with your own identifying 17 * information: Portions Copyright [yyyy] [name of copyright owner] 18 * 19 * CDDL HEADER END 20 */ 21 /* 22 * Copyright 2008 Sun Microsystems, Inc. All rights reserved. 23 * Use is subject to license terms. 24 */ 25 26 /* 27 * RDC user level ioctl interface 28 */ 29 30 #include <stdio.h> 31 #include <unistd.h> 32 #include <sys/types.h> 33 #include <fcntl.h> 34 35 #include <sys/nsctl/sd_cache.h> 36 #include <sys/nsctl/sd_conf.h> 37 #include <sys/nsctl/rdc_ioctl.h> 38 #include <sys/unistat/spcs_s.h> 39 #include <sys/unistat/spcs_s_u.h> 40 41 const char *__rdc_dev = "/dev/rdc"; 42 static int __rdc_fd; 43 44 45 static int 46 __rdc_open(void) 47 { 48 int fd = open(__rdc_dev, O_RDONLY); 49 50 if (fd < 0) 51 return (-1); 52 53 return (__rdc_fd = fd); 54 } 55 56 57 int 58 rdc_ioctl(long cmd, long a0, long a1, long a2, long a3, long a4, 59 spcs_s_info_t ustatus) 60 { 61 _rdc_ioctl_t args; 62 63 if (!__rdc_fd && __rdc_open() < 0) 64 return (-1); 65 66 args.arg0 = a0; 67 args.arg1 = a1; 68 args.arg2 = a2; 69 args.arg3 = a3; 70 args.arg4 = a4; 71 args.magic = RDC_MAGIC; /* for versioning */ 72 args.ustatus = ustatus; 73 74 return (ioctl(__rdc_fd, cmd, &args)); 75 } 76 77 /* 78 * Simple form of the ioctl, just pass the command and buffer address 79 * to the kernel. 80 */ 81 int 82 rdc_ioctl_simple(long cmd, void *addr) 83 { 84 if (!__rdc_fd && __rdc_open() < 0) 85 return (-1); 86 return (ioctl(__rdc_fd, cmd, addr)); 87 } 88