1*fcf3ce44SJohn Forte /*
2*fcf3ce44SJohn Forte * CDDL HEADER START
3*fcf3ce44SJohn Forte *
4*fcf3ce44SJohn Forte * The contents of this file are subject to the terms of the
5*fcf3ce44SJohn Forte * Common Development and Distribution License (the "License").
6*fcf3ce44SJohn Forte * You may not use this file except in compliance with the License.
7*fcf3ce44SJohn Forte *
8*fcf3ce44SJohn Forte * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9*fcf3ce44SJohn Forte * or http://www.opensolaris.org/os/licensing.
10*fcf3ce44SJohn Forte * See the License for the specific language governing permissions
11*fcf3ce44SJohn Forte * and limitations under the License.
12*fcf3ce44SJohn Forte *
13*fcf3ce44SJohn Forte * When distributing Covered Code, include this CDDL HEADER in each
14*fcf3ce44SJohn Forte * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15*fcf3ce44SJohn Forte * If applicable, add the following below this CDDL HEADER, with the
16*fcf3ce44SJohn Forte * fields enclosed by brackets "[]" replaced with your own identifying
17*fcf3ce44SJohn Forte * information: Portions Copyright [yyyy] [name of copyright owner]
18*fcf3ce44SJohn Forte *
19*fcf3ce44SJohn Forte * CDDL HEADER END
20*fcf3ce44SJohn Forte */
21*fcf3ce44SJohn Forte /*
22*fcf3ce44SJohn Forte * Copyright 2008 Sun Microsystems, Inc. All rights reserved.
23*fcf3ce44SJohn Forte * Use is subject to license terms.
24*fcf3ce44SJohn Forte */
25*fcf3ce44SJohn Forte
26*fcf3ce44SJohn Forte /*
27*fcf3ce44SJohn Forte * RDC user level ioctl interface
28*fcf3ce44SJohn Forte */
29*fcf3ce44SJohn Forte
30*fcf3ce44SJohn Forte #include <stdio.h>
31*fcf3ce44SJohn Forte #include <unistd.h>
32*fcf3ce44SJohn Forte #include <sys/types.h>
33*fcf3ce44SJohn Forte #include <fcntl.h>
34*fcf3ce44SJohn Forte
35*fcf3ce44SJohn Forte #include <sys/nsctl/sd_cache.h>
36*fcf3ce44SJohn Forte #include <sys/nsctl/sd_conf.h>
37*fcf3ce44SJohn Forte #include <sys/nsctl/rdc_ioctl.h>
38*fcf3ce44SJohn Forte #include <sys/unistat/spcs_s.h>
39*fcf3ce44SJohn Forte #include <sys/unistat/spcs_s_u.h>
40*fcf3ce44SJohn Forte
41*fcf3ce44SJohn Forte const char *__rdc_dev = "/dev/rdc";
42*fcf3ce44SJohn Forte static int __rdc_fd;
43*fcf3ce44SJohn Forte
44*fcf3ce44SJohn Forte
45*fcf3ce44SJohn Forte static int
__rdc_open(void)46*fcf3ce44SJohn Forte __rdc_open(void)
47*fcf3ce44SJohn Forte {
48*fcf3ce44SJohn Forte int fd = open(__rdc_dev, O_RDONLY);
49*fcf3ce44SJohn Forte
50*fcf3ce44SJohn Forte if (fd < 0)
51*fcf3ce44SJohn Forte return (-1);
52*fcf3ce44SJohn Forte
53*fcf3ce44SJohn Forte return (__rdc_fd = fd);
54*fcf3ce44SJohn Forte }
55*fcf3ce44SJohn Forte
56*fcf3ce44SJohn Forte
57*fcf3ce44SJohn Forte int
rdc_ioctl(long cmd,long a0,long a1,long a2,long a3,long a4,spcs_s_info_t ustatus)58*fcf3ce44SJohn Forte rdc_ioctl(long cmd, long a0, long a1, long a2, long a3, long a4,
59*fcf3ce44SJohn Forte spcs_s_info_t ustatus)
60*fcf3ce44SJohn Forte {
61*fcf3ce44SJohn Forte _rdc_ioctl_t args;
62*fcf3ce44SJohn Forte
63*fcf3ce44SJohn Forte if (!__rdc_fd && __rdc_open() < 0)
64*fcf3ce44SJohn Forte return (-1);
65*fcf3ce44SJohn Forte
66*fcf3ce44SJohn Forte args.arg0 = a0;
67*fcf3ce44SJohn Forte args.arg1 = a1;
68*fcf3ce44SJohn Forte args.arg2 = a2;
69*fcf3ce44SJohn Forte args.arg3 = a3;
70*fcf3ce44SJohn Forte args.arg4 = a4;
71*fcf3ce44SJohn Forte args.magic = RDC_MAGIC; /* for versioning */
72*fcf3ce44SJohn Forte args.ustatus = ustatus;
73*fcf3ce44SJohn Forte
74*fcf3ce44SJohn Forte return (ioctl(__rdc_fd, cmd, &args));
75*fcf3ce44SJohn Forte }
76*fcf3ce44SJohn Forte
77*fcf3ce44SJohn Forte /*
78*fcf3ce44SJohn Forte * Simple form of the ioctl, just pass the command and buffer address
79*fcf3ce44SJohn Forte * to the kernel.
80*fcf3ce44SJohn Forte */
81*fcf3ce44SJohn Forte int
rdc_ioctl_simple(long cmd,void * addr)82*fcf3ce44SJohn Forte rdc_ioctl_simple(long cmd, void *addr)
83*fcf3ce44SJohn Forte {
84*fcf3ce44SJohn Forte if (!__rdc_fd && __rdc_open() < 0)
85*fcf3ce44SJohn Forte return (-1);
86*fcf3ce44SJohn Forte return (ioctl(__rdc_fd, cmd, addr));
87*fcf3ce44SJohn Forte }
88