6b3a9a0f3d
semantic patch: @@ expression rights, r; @@ - cap_rights_init(&rights, r) + cap_rights_init_one(&rights, r)
248 lines
6.4 KiB
C
248 lines
6.4 KiB
C
/*-
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* SPDX-License-Identifier: BSD-3-Clause
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*
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* Copyright (c) 2008 David E. O'Brien
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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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* 3. Neither the name of the author nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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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/capsicum.h>
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#include <sys/cdio.h>
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#include <sys/fcntl.h>
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#include <sys/filio.h>
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#include <sys/file.h>
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#include <sys/ioccom.h>
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#include <sys/malloc.h>
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#include <sys/memrange.h>
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#include <sys/pciio.h>
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#include <sys/proc.h>
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#include <sys/syscall.h>
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#include <sys/syscallsubr.h>
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#include <sys/sysctl.h>
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#include <sys/sysent.h>
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#include <sys/sysproto.h>
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#include <sys/systm.h>
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#include <sys/uio.h>
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#include <compat/freebsd32/freebsd32.h>
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#include <compat/freebsd32/freebsd32_ioctl.h>
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#include <compat/freebsd32/freebsd32_misc.h>
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#include <compat/freebsd32/freebsd32_proto.h>
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CTASSERT(sizeof(struct mem_range_op32) == 12);
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static int
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freebsd32_ioctl_memrange(struct thread *td,
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struct freebsd32_ioctl_args *uap, struct file *fp)
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{
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struct mem_range_op mro;
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struct mem_range_op32 mro32;
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int error;
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u_long com;
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if ((error = copyin(uap->data, &mro32, sizeof(mro32))) != 0)
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return (error);
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PTRIN_CP(mro32, mro, mo_desc);
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CP(mro32, mro, mo_arg[0]);
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CP(mro32, mro, mo_arg[1]);
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com = 0;
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switch (uap->com) {
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case MEMRANGE_GET32:
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com = MEMRANGE_GET;
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break;
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case MEMRANGE_SET32:
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com = MEMRANGE_SET;
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break;
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default:
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panic("%s: unknown MEMRANGE %#x", __func__, uap->com);
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}
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if ((error = fo_ioctl(fp, com, (caddr_t)&mro, td->td_ucred, td)) != 0)
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return (error);
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if ( (com & IOC_OUT) ) {
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CP(mro, mro32, mo_arg[0]);
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CP(mro, mro32, mo_arg[1]);
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error = copyout(&mro32, uap->data, sizeof(mro32));
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}
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return (error);
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}
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static int
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freebsd32_ioctl_barmmap(struct thread *td,
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struct freebsd32_ioctl_args *uap, struct file *fp)
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{
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struct pci_bar_mmap32 pbm32;
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struct pci_bar_mmap pbm;
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int error;
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error = copyin(uap->data, &pbm32, sizeof(pbm32));
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if (error != 0)
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return (error);
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PTRIN_CP(pbm32, pbm, pbm_map_base);
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CP(pbm32, pbm, pbm_sel);
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CP(pbm32, pbm, pbm_reg);
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CP(pbm32, pbm, pbm_flags);
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CP(pbm32, pbm, pbm_memattr);
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pbm.pbm_bar_length = PAIR32TO64(uint64_t, pbm32.pbm_bar_length);
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error = fo_ioctl(fp, PCIOCBARMMAP, (caddr_t)&pbm, td->td_ucred, td);
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if (error == 0) {
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PTROUT_CP(pbm, pbm32, pbm_map_base);
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CP(pbm, pbm32, pbm_map_length);
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#if BYTE_ORDER == LITTLE_ENDIAN
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pbm32.pbm_bar_length1 = pbm.pbm_bar_length;
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pbm32.pbm_bar_length2 = pbm.pbm_bar_length >> 32;
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#else
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pbm32.pbm_bar_length1 = pbm.pbm_bar_length >> 32;
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pbm32.pbm_bar_length2 = pbm.pbm_bar_length;
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#endif
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CP(pbm, pbm32, pbm_bar_off);
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error = copyout(&pbm32, uap->data, sizeof(pbm32));
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}
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return (error);
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}
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static int
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freebsd32_ioctl_sg(struct thread *td,
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struct freebsd32_ioctl_args *uap, struct file *fp)
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{
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struct sg_io_hdr io;
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struct sg_io_hdr32 io32;
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int error;
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if ((error = copyin(uap->data, &io32, sizeof(io32))) != 0)
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return (error);
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CP(io32, io, interface_id);
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CP(io32, io, dxfer_direction);
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CP(io32, io, cmd_len);
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CP(io32, io, mx_sb_len);
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CP(io32, io, iovec_count);
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CP(io32, io, dxfer_len);
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PTRIN_CP(io32, io, dxferp);
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PTRIN_CP(io32, io, cmdp);
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PTRIN_CP(io32, io, sbp);
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CP(io32, io, timeout);
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CP(io32, io, flags);
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CP(io32, io, pack_id);
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PTRIN_CP(io32, io, usr_ptr);
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CP(io32, io, status);
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CP(io32, io, masked_status);
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CP(io32, io, msg_status);
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CP(io32, io, sb_len_wr);
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CP(io32, io, host_status);
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CP(io32, io, driver_status);
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CP(io32, io, resid);
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CP(io32, io, duration);
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CP(io32, io, info);
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if ((error = fo_ioctl(fp, SG_IO, (caddr_t)&io, td->td_ucred, td)) != 0)
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return (error);
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CP(io, io32, interface_id);
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CP(io, io32, dxfer_direction);
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CP(io, io32, cmd_len);
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CP(io, io32, mx_sb_len);
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CP(io, io32, iovec_count);
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CP(io, io32, dxfer_len);
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PTROUT_CP(io, io32, dxferp);
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PTROUT_CP(io, io32, cmdp);
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PTROUT_CP(io, io32, sbp);
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CP(io, io32, timeout);
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CP(io, io32, flags);
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CP(io, io32, pack_id);
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PTROUT_CP(io, io32, usr_ptr);
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CP(io, io32, status);
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CP(io, io32, masked_status);
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CP(io, io32, msg_status);
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CP(io, io32, sb_len_wr);
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CP(io, io32, host_status);
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CP(io, io32, driver_status);
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CP(io, io32, resid);
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CP(io, io32, duration);
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CP(io, io32, info);
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error = copyout(&io32, uap->data, sizeof(io32));
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return (error);
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}
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int
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freebsd32_ioctl(struct thread *td, struct freebsd32_ioctl_args *uap)
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{
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struct ioctl_args ap /*{
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int fd;
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u_long com;
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caddr_t data;
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}*/ ;
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struct file *fp;
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cap_rights_t rights;
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int error;
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error = fget(td, uap->fd, cap_rights_init_one(&rights, CAP_IOCTL), &fp);
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if (error != 0)
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return (error);
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if ((fp->f_flag & (FREAD | FWRITE)) == 0) {
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fdrop(fp, td);
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return (EBADF);
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}
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switch (uap->com) {
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case MEMRANGE_GET32: /* FALLTHROUGH */
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case MEMRANGE_SET32:
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error = freebsd32_ioctl_memrange(td, uap, fp);
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break;
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case SG_IO_32:
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error = freebsd32_ioctl_sg(td, uap, fp);
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break;
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case PCIOCBARMMAP_32:
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error = freebsd32_ioctl_barmmap(td, uap, fp);
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break;
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default:
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fdrop(fp, td);
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ap.fd = uap->fd;
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ap.com = uap->com;
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PTRIN_CP(*uap, ap, data);
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return sys_ioctl(td, &ap);
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}
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fdrop(fp, td);
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return (error);
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}
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