4a14441044
further refinement is required as some device drivers intended to be portable over FreeBSD versions rely on __FreeBSD_version to decide whether to include capability.h. MFC after: 3 weeks
108 lines
3.5 KiB
C
108 lines
3.5 KiB
C
/*-
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* Copyright (c) 2006 IronPort Systems
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#include <sys/cdefs.h>
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__FBSDID("$FreeBSD$");
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#include <sys/param.h>
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#include <sys/systm.h>
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#include <sys/capsicum.h>
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#include <sys/conf.h>
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#include <sys/kernel.h>
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#include <sys/module.h>
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#include <sys/file.h>
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#include <sys/proc.h>
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#include <machine/bus.h>
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#if defined(__amd64__) /* Assume amd64 wants 32 bit Linux */
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#include <machine/../linux32/linux.h>
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#include <machine/../linux32/linux32_proto.h>
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#else
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#include <machine/../linux/linux.h>
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#include <machine/../linux/linux_proto.h>
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#endif
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#include <compat/linux/linux_ioctl.h>
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#include <compat/linux/linux_util.h>
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#include <dev/mfi/mfireg.h>
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#include <dev/mfi/mfi_ioctl.h>
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/* There are multiple ioctl number ranges that need to be handled */
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#define MFI_LINUX_IOCTL_MIN 0x4d00
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#define MFI_LINUX_IOCTL_MAX 0x4d04
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static linux_ioctl_function_t mfi_linux_ioctl;
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static struct linux_ioctl_handler mfi_linux_handler = {mfi_linux_ioctl,
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MFI_LINUX_IOCTL_MIN,
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MFI_LINUX_IOCTL_MAX};
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SYSINIT (mfi_register, SI_SUB_KLD, SI_ORDER_MIDDLE,
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linux_ioctl_register_handler, &mfi_linux_handler);
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SYSUNINIT(mfi_unregister, SI_SUB_KLD, SI_ORDER_MIDDLE,
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linux_ioctl_unregister_handler, &mfi_linux_handler);
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static struct linux_device_handler mfi_device_handler =
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{ "mfi", "megaraid_sas", "mfi0", "megaraid_sas_ioctl_node", -1, 0, 1};
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SYSINIT (mfi_register2, SI_SUB_KLD, SI_ORDER_MIDDLE,
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linux_device_register_handler, &mfi_device_handler);
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SYSUNINIT(mfi_unregister2, SI_SUB_KLD, SI_ORDER_MIDDLE,
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linux_device_unregister_handler, &mfi_device_handler);
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static int
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mfi_linux_modevent(module_t mod, int cmd, void *data)
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{
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return (0);
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}
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DEV_MODULE(mfi_linux, mfi_linux_modevent, NULL);
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MODULE_DEPEND(mfi, linux, 1, 1, 1);
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static int
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mfi_linux_ioctl(struct thread *p, struct linux_ioctl_args *args)
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{
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cap_rights_t rights;
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struct file *fp;
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int error;
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u_long cmd = args->cmd;
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switch (cmd) {
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case MFI_LINUX_CMD:
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cmd = MFI_LINUX_CMD_2;
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break;
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case MFI_LINUX_SET_AEN:
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cmd = MFI_LINUX_SET_AEN_2;
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break;
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}
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error = fget(p, args->fd, cap_rights_init(&rights, CAP_IOCTL), &fp);
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if (error != 0)
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return (error);
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error = fo_ioctl(fp, cmd, (caddr_t)args->arg, p->td_ucred, p);
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fdrop(fp, p);
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return (error);
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}
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