qla_ioctl.c revision 227064 
1/*
2 * Copyright (c) 2010-2011 Qlogic Corporation
3 * All rights reserved.
4 *
5 *  Redistribution and use in source and binary forms, with or without
6 *  modification, are permitted provided that the following conditions
7 *  are met:
8 *
9 *  1. Redistributions of source code must retain the above copyright
10 *     notice, this list of conditions and the following disclaimer.
11 *  2. Redistributions in binary form must reproduce the above copyright
12 *     notice, this list of conditions and the following disclaimer in the
13 *     documentation and/or other materials provided with the distribution.
14 *
15 *  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
16 *  AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
17 *  IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
18 *  ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
19 *  LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
20 *  CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
21 *  SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
22 *  INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
23 *  CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
24 *  ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
25 *  POSSIBILITY OF SUCH DAMAGE.
26 */
27/*
28 * File: qla_ioctl.c
29 * Author : David C Somayajulu, Qlogic Corporation, Aliso Viejo, CA 92656.
30 */
31
32#include <sys/cdefs.h>
33__FBSDID("$FreeBSD: head/sys/dev/qlxgb/qla_ioctl.c 227064 2011-11-03 21:20:22Z bz $");
34
35#include "qla_os.h"
36#include "qla_reg.h"
37#include "qla_hw.h"
38#include "qla_def.h"
39#include "qla_reg.h"
40#include "qla_inline.h"
41#include "qla_glbl.h"
42#include "qla_ioctl.h"
43
44static struct cdevsw qla_cdevsw = {
45	.d_version = D_VERSION,
46	.d_ioctl = qla_eioctl,
47	.d_name = "qlcnic",
48};
49
50int
51qla_make_cdev(qla_host_t *ha)
52{
53        ha->ioctl_dev = make_dev(&qla_cdevsw,
54				ha->ifp->if_dunit,
55                                UID_ROOT,
56                                GID_WHEEL,
57                                0600,
58                                "%s",
59                                if_name(ha->ifp));
60
61	if (ha->ioctl_dev == NULL)
62		return (-1);
63
64        ha->ioctl_dev->si_drv1 = ha;
65
66	return (0);
67}
68
69void
70qla_del_cdev(qla_host_t *ha)
71{
72	if (ha->ioctl_dev != NULL)
73		destroy_dev(ha->ioctl_dev);
74	return;
75}
76
77int
78qla_eioctl(struct cdev *dev, u_long cmd, caddr_t data, int fflag,
79        struct thread *td)
80{
81        qla_host_t *ha;
82        int rval = 0;
83        qla_reg_val_t *rv;
84        qla_rd_flash_t *rdf;
85
86        if ((ha = (qla_host_t *)dev->si_drv1) == NULL)
87                return ENXIO;
88
89        switch(cmd) {
90
91        case QLA_RDWR_REG:
92
93                rv = (qla_reg_val_t *)data;
94
95                if (rv->direct) {
96                        if (rv->rd) {
97                                rv->val = READ_OFFSET32(ha, rv->reg);
98                        } else {
99                                WRITE_OFFSET32(ha, rv->reg, rv->val);
100                        }
101                } else {
102                        if ((rval = qla_rdwr_indreg32(ha, rv->reg, &rv->val,
103                                rv->rd)))
104                                rval = ENXIO;
105                }
106                break;
107
108        case QLA_RD_FLASH:
109                rdf = (qla_rd_flash_t *)data;
110                if ((rval = qla_rd_flash32(ha, rdf->off, &rdf->data)))
111                        rval = ENXIO;
112                break;
113        default:
114                break;
115        }
116
117        return rval;
118}
119
120