diff options
Diffstat (limited to 'sys/dev/mfi/mfi_linux.c')
| -rw-r--r-- | sys/dev/mfi/mfi_linux.c | 103 |
1 files changed, 103 insertions, 0 deletions
diff --git a/sys/dev/mfi/mfi_linux.c b/sys/dev/mfi/mfi_linux.c new file mode 100644 index 000000000000..44edf49109db --- /dev/null +++ b/sys/dev/mfi/mfi_linux.c @@ -0,0 +1,103 @@ +/*- + * Copyright (c) 2006 IronPort Systems + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#include <sys/cdefs.h> +__FBSDID("$FreeBSD$"); + +#include <sys/param.h> +#include <sys/systm.h> +#include <sys/conf.h> +#include <sys/kernel.h> +#include <sys/module.h> +#include <sys/file.h> +#include <sys/proc.h> + +#if defined(__amd64__) /* Assume amd64 wants 32 bit Linux */ +#include <machine/../linux32/linux.h> +#include <machine/../linux32/linux32_proto.h> +#else +#include <machine/../linux/linux.h> +#include <machine/../linux/linux_proto.h> +#endif +#include <compat/linux/linux_ioctl.h> +#include <compat/linux/linux_util.h> + +#include <dev/mfi/mfireg.h> +#include <dev/mfi/mfi_ioctl.h> + +/* There are multiple ioctl number ranges that need to be handled */ +#define MFI_LINUX_IOCTL_MIN 0x4d00 +#define MFI_LINUX_IOCTL_MAX 0x4d04 + +static linux_ioctl_function_t mfi_linux_ioctl; +static struct linux_ioctl_handler mfi_linux_handler = {mfi_linux_ioctl, + MFI_LINUX_IOCTL_MIN, + MFI_LINUX_IOCTL_MAX}; + +SYSINIT (mfi_register, SI_SUB_KLD, SI_ORDER_MIDDLE, + linux_ioctl_register_handler, &mfi_linux_handler); +SYSUNINIT(mfi_unregister, SI_SUB_KLD, SI_ORDER_MIDDLE, + linux_ioctl_unregister_handler, &mfi_linux_handler); + +static struct linux_device_handler mfi_device_handler = + { "mfi", "megaraid_sas", "mfi0", "megaraid_sas_ioctl_node", -1, 0, 1}; + +SYSINIT (mfi_register2, SI_SUB_KLD, SI_ORDER_MIDDLE, + linux_device_register_handler, &mfi_device_handler); +SYSUNINIT(mfi_unregister2, SI_SUB_KLD, SI_ORDER_MIDDLE, + linux_device_unregister_handler, &mfi_device_handler); + +static int +mfi_linux_modevent(module_t mod, int cmd, void *data) +{ + return (0); +} + +DEV_MODULE(mfi_linux, mfi_linux_modevent, NULL); +MODULE_DEPEND(mfi, linux, 1, 1, 1); + +static int +mfi_linux_ioctl(struct thread *p, struct linux_ioctl_args *args) +{ + struct file *fp; + int error; + u_long cmd = args->cmd; + + switch (cmd) { + case MFI_LINUX_CMD: + cmd = MFI_LINUX_CMD_2; + break; + case MFI_LINUX_SET_AEN: + cmd = MFI_LINUX_SET_AEN_2; + break; + } + + if ((error = fget(p, args->fd, &fp)) != 0) + return (error); + error = fo_ioctl(fp, cmd, (caddr_t)args->arg, p->td_ucred, p); + fdrop(fp, p); + return (error); +} |