ipmi_linux.c revision 255219
12490Sjkh/*- 22490Sjkh * Copyright (c) 2009 IronPort Systems Inc. <ambrisko@ironport.com> 32490Sjkh * All rights reserved. 42490Sjkh * 52490Sjkh * Redistribution and use in source and binary forms, with or without 62490Sjkh * modification, are permitted provided that the following conditions 72490Sjkh * are met: 82490Sjkh * 1. Redistributions of source code must retain the above copyright 92490Sjkh * notice, this list of conditions and the following disclaimer. 102490Sjkh * 2. Redistributions in binary form must reproduce the above copyright 112490Sjkh * notice, this list of conditions and the following disclaimer in the 122490Sjkh * documentation and/or other materials provided with the distribution. 13203932Simp * 142490Sjkh * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 152490Sjkh * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 162490Sjkh * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 172490Sjkh * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 182490Sjkh * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 192490Sjkh * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 202490Sjkh * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 212490Sjkh * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 222490Sjkh * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 232490Sjkh * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 242490Sjkh * SUCH DAMAGE. 252490Sjkh */ 262490Sjkh 272490Sjkh#include <sys/cdefs.h> 282490Sjkh__FBSDID("$FreeBSD: head/sys/dev/ipmi/ipmi_linux.c 255219 2013-09-05 00:09:56Z pjd $"); 292490Sjkh 3010352Sjoerg/* 31179654Sscf * Linux ioctl handler for the ipmi device driver 32179654Sscf */ 3310352Sjoerg 3410352Sjoerg#include <sys/param.h> 352490Sjkh#include <sys/systm.h> 3653920Sbillf#include <sys/capability.h> 372490Sjkh#include <sys/conf.h> 382490Sjkh#include <sys/kernel.h> 392490Sjkh#include <sys/module.h> 402490Sjkh#include <sys/file.h> 412490Sjkh#include <sys/proc.h> 4253920Sbillf#ifdef __amd64__ 432490Sjkh#include <machine/../linux32/linux.h> 4453920Sbillf#include <machine/../linux32/linux32_proto.h> 4553920Sbillf#else 4653920Sbillf#include <machine/../linux/linux.h> 472490Sjkh#include <machine/../linux/linux_proto.h> 482490Sjkh#endif 4957527Sjoerg#include <compat/linux/linux_ioctl.h> 5057527Sjoerg#include <sys/ioccom.h> 512490Sjkh#include <sys/ipmi.h> 5257527Sjoerg 5378793Sache/* There are multiple ioctl number ranges that need to be handled */ 5410352Sjoerg#define IPMI_LINUX_IOCTL_MIN 0x690b 5557527Sjoerg#define IPMI_LINUX_IOCTL_MAX 0x6915 5657527Sjoerg 5710352Sjoerg/* Linux versions of ioctl's */ 5835857Sjb#define L_IPMICTL_RECEIVE_MSG_TRUNC _IOWR(IPMI_IOC_MAGIC, 11, struct ipmi_recv) 5957527Sjoerg#define L_IPMICTL_RECEIVE_MSG _IOWR(IPMI_IOC_MAGIC, 12, struct ipmi_recv) 6054622Sbillf#define L_IPMICTL_SEND_COMMAND _IOW(IPMI_IOC_MAGIC, 13, struct ipmi_req) 612490Sjkh#define L_IPMICTL_REGISTER_FOR_CMD _IOW(IPMI_IOC_MAGIC, 14, struct ipmi_cmdspec) 62203479Simp#define L_IPMICTL_UNREGISTER_FOR_CMD _IOW(IPMI_IOC_MAGIC, 15, struct ipmi_cmdspec) 63203479Simp#define L_IPMICTL_SET_GETS_EVENTS_CMD _IOW(IPMI_IOC_MAGIC, 16, int) 64203479Simp#define L_IPMICTL_SET_MY_ADDRESS_CMD _IOW(IPMI_IOC_MAGIC, 17, unsigned int) 6510352Sjoerg#define L_IPMICTL_GET_MY_ADDRESS_CMD _IOW(IPMI_IOC_MAGIC, 18, unsigned int) 66152306Sru#define L_IPMICTL_SET_MY_LUN_CMD _IOW(IPMI_IOC_MAGIC, 19, unsigned int) 6710352Sjoerg#define L_IPMICTL_GET_MY_LUN_CMD _IOW(IPMI_IOC_MAGIC, 20, unsigned int) 6810352Sjoerg 6910352Sjoergstatic linux_ioctl_function_t ipmi_linux_ioctl; 70203921Suqsstatic struct linux_ioctl_handler ipmi_linux_handler = {ipmi_linux_ioctl, 71203921Suqs IPMI_LINUX_IOCTL_MIN, 722490Sjkh IPMI_LINUX_IOCTL_MAX}; 732490Sjkh 7454622SbillfSYSINIT (ipmi_linux_register, SI_SUB_KLD, SI_ORDER_MIDDLE, 752490Sjkh linux_ioctl_register_handler, &ipmi_linux_handler); 7610352SjoergSYSUNINIT(ipmi_linux_unregister, SI_SUB_KLD, SI_ORDER_MIDDLE, 7710352Sjoerg linux_ioctl_unregister_handler, &ipmi_linux_handler); 7854622Sbillf 7954622Sbillfstatic int 8054622Sbillfipmi_linux_modevent(module_t mod, int type, void *data) 8154622Sbillf{ 8254622Sbillf /* Do we care about any specific load/unload actions? */ 8354622Sbillf return (0); 8454622Sbillf} 8554622Sbillf 8654622SbillfDEV_MODULE(ipmi_linux, ipmi_linux_modevent, NULL); 8754622SbillfMODULE_DEPEND(ipmi_linux, linux, 1, 1, 1); 8854622Sbillf 8954622Sbillfstatic int 9054622Sbillfipmi_linux_ioctl(struct thread *td, struct linux_ioctl_args *args) 9154622Sbillf{ 9254622Sbillf cap_rights_t rights; 9354622Sbillf struct file *fp; 9454622Sbillf u_long cmd; 9554622Sbillf int error; 9654622Sbillf 9754622Sbillf error = fget(td, args->fd, cap_rights_init(&rights, CAP_IOCTL), &fp); 9854622Sbillf if (error != 0) 9954622Sbillf return (error); 10054622Sbillf cmd = args->cmd; 10154622Sbillf 10254622Sbillf switch(cmd) { 10354622Sbillf case L_IPMICTL_GET_MY_ADDRESS_CMD: 10410352Sjoerg cmd = IPMICTL_GET_MY_ADDRESS_CMD; 10510352Sjoerg break; 10610352Sjoerg case L_IPMICTL_GET_MY_LUN_CMD: 10754622Sbillf cmd = IPMICTL_GET_MY_LUN_CMD; 10854622Sbillf break; 10954622Sbillf } 11054622Sbillf /* 11154622Sbillf * Pass the ioctl off to our standard handler. 11254622Sbillf */ 11354622Sbillf error = (fo_ioctl(fp, cmd, (caddr_t)args->arg, td->td_ucred, td)); 11454622Sbillf fdrop(fp, td); 11554622Sbillf return (error); 11654622Sbillf} 11710352Sjoerg