1 /*- 2 * Copyright (c) 2006 IronPort Systems 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 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24 * SUCH DAMAGE. 25 */ 26 27 #include <sys/cdefs.h> 28 __FBSDID("$FreeBSD$"); 29 30 #include <sys/param.h> 31 #include <sys/systm.h> 32 #include <sys/conf.h> 33 #include <sys/kernel.h> 34 #include <sys/module.h> 35 #include <sys/file.h> 36 #include <sys/proc.h> 37 38 #if defined(__amd64__) /* Assume amd64 wants 32 bit Linux */ 39 #include <machine/../linux32/linux.h> 40 #include <machine/../linux32/linux32_proto.h> 41 #else 42 #include <machine/../linux/linux.h> 43 #include <machine/../linux/linux_proto.h> 44 #endif 45 #include <compat/linux/linux_ioctl.h> 46 #include <compat/linux/linux_util.h> 47 48 #include <dev/mfi/mfireg.h> 49 #include <dev/mfi/mfi_ioctl.h> 50 51 /* There are multiple ioctl number ranges that need to be handled */ 52 #define MFI_LINUX_IOCTL_MIN 0x4d00 53 #define MFI_LINUX_IOCTL_MAX 0x4d04 54 55 static linux_ioctl_function_t mfi_linux_ioctl; 56 static struct linux_ioctl_handler mfi_linux_handler = {mfi_linux_ioctl, 57 MFI_LINUX_IOCTL_MIN, 58 MFI_LINUX_IOCTL_MAX}; 59 60 SYSINIT (mfi_register, SI_SUB_KLD, SI_ORDER_MIDDLE, 61 linux_ioctl_register_handler, &mfi_linux_handler); 62 SYSUNINIT(mfi_unregister, SI_SUB_KLD, SI_ORDER_MIDDLE, 63 linux_ioctl_unregister_handler, &mfi_linux_handler); 64 65 static struct linux_device_handler mfi_device_handler = 66 { "mfi", "megaraid_sas", "mfi0", "megaraid_sas_ioctl_node", -1, 0, 1}; 67 68 SYSINIT (mfi_register2, SI_SUB_KLD, SI_ORDER_MIDDLE, 69 linux_device_register_handler, &mfi_device_handler); 70 SYSUNINIT(mfi_unregister2, SI_SUB_KLD, SI_ORDER_MIDDLE, 71 linux_device_unregister_handler, &mfi_device_handler); 72 73 static int 74 mfi_linux_modevent(module_t mod, int cmd, void *data) 75 { 76 return (0); 77 } 78 79 DEV_MODULE(mfi_linux, mfi_linux_modevent, NULL); 80 MODULE_DEPEND(mfi, linux, 1, 1, 1); 81 82 static int 83 mfi_linux_ioctl(d_thread_t *p, struct linux_ioctl_args *args) 84 { 85 struct file *fp; 86 int error; 87 u_long cmd = args->cmd; 88 89 switch (cmd) { 90 case MFI_LINUX_CMD: 91 cmd = MFI_LINUX_CMD_2; 92 break; 93 case MFI_LINUX_SET_AEN: 94 cmd = MFI_LINUX_SET_AEN_2; 95 break; 96 } 97 98 if ((error = fget(p, args->fd, &fp)) != 0) 99 return (error); 100 error = fo_ioctl(fp, cmd, (caddr_t)args->arg, p->td_ucred, p); 101 fdrop(fp, p); 102 return (error); 103 } 104