2 * Copyright (c) 2014, LSI Corp. All rights reserved. Author: Kashyap Desai,
3 * Sibananda Sahu Support: freebsdraid@lsi.com
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions are
9 * 1. Redistributions of source code must retain the above copyright notice,
10 * this list of conditions and the following disclaimer. 2. Redistributions
11 * in binary form must reproduce the above copyright notice, this list of
12 * conditions and the following disclaimer in the documentation and/or other
13 * materials provided with the distribution. 3. Neither the name of the
14 * <ORGANIZATION> nor the names of its contributors may be used to endorse or
15 * promote products derived from this software without specific prior written
18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
19 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
20 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
21 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
22 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
23 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
24 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
25 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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27 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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39 #include <sys/cdefs.h>
40 __FBSDID("$FreeBSD$");
42 #include <sys/param.h>
43 #include <sys/systm.h>
45 #if (__FreeBSD_version > 900000)
46 #include <sys/capability.h>
50 #include <sys/kernel.h>
51 #include <sys/module.h>
54 #include <machine/bus.h>
56 #if defined(__amd64__) /* Assume amd64 wants 32 bit Linux */
57 #include <machine/../linux32/linux.h>
58 #include <machine/../linux32/linux32_proto.h>
60 #include <machine/../linux/linux.h>
61 #include <machine/../linux/linux_proto.h>
63 #include <compat/linux/linux_ioctl.h>
64 #include <compat/linux/linux_util.h>
66 #include <dev/mrsas/mrsas.h>
67 #include <dev/mrsas/mrsas_ioctl.h>
69 /* There are multiple ioctl number ranges that need to be handled */
70 #define MRSAS_LINUX_IOCTL_MIN 0x4d00
71 #define MRSAS_LINUX_IOCTL_MAX 0x4d01
73 static linux_ioctl_function_t mrsas_linux_ioctl;
74 static struct linux_ioctl_handler mrsas_linux_handler = {mrsas_linux_ioctl,
75 MRSAS_LINUX_IOCTL_MIN,
76 MRSAS_LINUX_IOCTL_MAX};
78 SYSINIT(mrsas_register, SI_SUB_KLD, SI_ORDER_MIDDLE,
79 linux_ioctl_register_handler, &mrsas_linux_handler);
80 SYSUNINIT(mrsas_unregister, SI_SUB_KLD, SI_ORDER_MIDDLE,
81 linux_ioctl_unregister_handler, &mrsas_linux_handler);
83 static struct linux_device_handler mrsas_device_handler =
84 {"mrsas", "megaraid_sas", "mrsas0", "megaraid_sas_ioctl_node", -1, 0, 1};
86 SYSINIT(mrsas_register2, SI_SUB_KLD, SI_ORDER_MIDDLE,
87 linux_device_register_handler, &mrsas_device_handler);
88 SYSUNINIT(mrsas_unregister2, SI_SUB_KLD, SI_ORDER_MIDDLE,
89 linux_device_unregister_handler, &mrsas_device_handler);
92 mrsas_linux_modevent(module_t mod __unused, int cmd __unused, void *data __unused)
98 * mrsas_linux_ioctl: linux emulator IOCtl commands entry point.
100 * This function is the entry point for IOCtls from linux binaries.
101 * It calls the mrsas_ioctl function for processing
102 * depending on the IOCTL command received.
105 mrsas_linux_ioctl(struct thread *p, struct linux_ioctl_args *args)
107 #if (__FreeBSD_version >= 1000000)
113 u_long cmd = args->cmd;
115 if (cmd != MRSAS_LINUX_CMD32) {
119 #if (__FreeBSD_version >= 1000000)
120 error = fget(p, args->fd, cap_rights_init(&rights, CAP_IOCTL), &fp);
121 #elif (__FreeBSD_version <= 900000)
122 error = fget(p, args->fd, &fp);
123 #else /* For FreeBSD version greater than
124 * 9.0.0 but less than 10.0.0 */
125 error = fget(p, args->fd, CAP_IOCTL, &fp);
130 error = fo_ioctl(fp, cmd, (caddr_t)args->arg, p->td_ucred, p);
136 DEV_MODULE(mrsas_linux, mrsas_linux_modevent, NULL);
137 MODULE_DEPEND(mrsas, linux, 1, 1, 1);