1 /*- 2 * SPDX-License-Identifier: BSD-3-Clause 3 * 4 * Copyright (c) 2008 David E. O'Brien 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 3. Neither the name of the author nor the names of its contributors 16 * may be used to endorse or promote products derived from this software 17 * without specific prior written permission. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 22 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 23 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 25 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 29 * SUCH DAMAGE. 30 */ 31 32 #include <sys/cdefs.h> 33 #include <sys/param.h> 34 #include <sys/capsicum.h> 35 #include <sys/cdio.h> 36 #include <sys/fcntl.h> 37 #include <sys/filio.h> 38 #include <sys/file.h> 39 #include <sys/ioccom.h> 40 #include <sys/malloc.h> 41 #include <sys/memrange.h> 42 #include <sys/pciio.h> 43 #include <sys/proc.h> 44 #include <sys/syscall.h> 45 #include <sys/syscallsubr.h> 46 #include <sys/sysctl.h> 47 #include <sys/sysproto.h> 48 #include <sys/systm.h> 49 #include <sys/uio.h> 50 51 #include <compat/freebsd32/freebsd32.h> 52 #include <compat/freebsd32/freebsd32_ioctl.h> 53 #include <compat/freebsd32/freebsd32_misc.h> 54 #include <compat/freebsd32/freebsd32_proto.h> 55 56 CTASSERT(sizeof(struct mem_range_op32) == 12); 57 58 static int 59 freebsd32_ioctl_memrange(struct thread *td, 60 struct freebsd32_ioctl_args *uap, struct file *fp) 61 { 62 struct mem_range_op mro; 63 struct mem_range_op32 mro32; 64 int error; 65 u_long com; 66 67 if ((error = copyin(uap->data, &mro32, sizeof(mro32))) != 0) 68 return (error); 69 70 PTRIN_CP(mro32, mro, mo_desc); 71 CP(mro32, mro, mo_arg[0]); 72 CP(mro32, mro, mo_arg[1]); 73 74 com = _IOC_NEWTYPE(uap->com, struct mem_range_op); 75 76 if ((error = fo_ioctl(fp, com, (caddr_t)&mro, td->td_ucred, td)) != 0) 77 return (error); 78 79 if ( (com & IOC_OUT) ) { 80 CP(mro, mro32, mo_arg[0]); 81 CP(mro, mro32, mo_arg[1]); 82 83 error = copyout(&mro32, uap->data, sizeof(mro32)); 84 } 85 86 return (error); 87 } 88 89 static int 90 freebsd32_ioctl_barmmap(struct thread *td, 91 struct freebsd32_ioctl_args *uap, struct file *fp) 92 { 93 struct pci_bar_mmap32 pbm32; 94 struct pci_bar_mmap pbm; 95 int error; 96 97 error = copyin(uap->data, &pbm32, sizeof(pbm32)); 98 if (error != 0) 99 return (error); 100 PTRIN_CP(pbm32, pbm, pbm_map_base); 101 CP(pbm32, pbm, pbm_sel); 102 CP(pbm32, pbm, pbm_reg); 103 CP(pbm32, pbm, pbm_flags); 104 CP(pbm32, pbm, pbm_memattr); 105 pbm.pbm_bar_length = PAIR32TO64(uint64_t, pbm32.pbm_bar_length); 106 error = fo_ioctl(fp, PCIOCBARMMAP, (caddr_t)&pbm, td->td_ucred, td); 107 if (error == 0) { 108 PTROUT_CP(pbm, pbm32, pbm_map_base); 109 CP(pbm, pbm32, pbm_map_length); 110 #if BYTE_ORDER == LITTLE_ENDIAN 111 pbm32.pbm_bar_length1 = pbm.pbm_bar_length; 112 pbm32.pbm_bar_length2 = pbm.pbm_bar_length >> 32; 113 #else 114 pbm32.pbm_bar_length1 = pbm.pbm_bar_length >> 32; 115 pbm32.pbm_bar_length2 = pbm.pbm_bar_length; 116 #endif 117 CP(pbm, pbm32, pbm_bar_off); 118 error = copyout(&pbm32, uap->data, sizeof(pbm32)); 119 } 120 return (error); 121 } 122 123 static int 124 freebsd32_ioctl_sg(struct thread *td, 125 struct freebsd32_ioctl_args *uap, struct file *fp) 126 { 127 struct sg_io_hdr io; 128 struct sg_io_hdr32 io32; 129 int error; 130 131 if ((error = copyin(uap->data, &io32, sizeof(io32))) != 0) 132 return (error); 133 134 CP(io32, io, interface_id); 135 CP(io32, io, dxfer_direction); 136 CP(io32, io, cmd_len); 137 CP(io32, io, mx_sb_len); 138 CP(io32, io, iovec_count); 139 CP(io32, io, dxfer_len); 140 PTRIN_CP(io32, io, dxferp); 141 PTRIN_CP(io32, io, cmdp); 142 PTRIN_CP(io32, io, sbp); 143 CP(io32, io, timeout); 144 CP(io32, io, flags); 145 CP(io32, io, pack_id); 146 PTRIN_CP(io32, io, usr_ptr); 147 CP(io32, io, status); 148 CP(io32, io, masked_status); 149 CP(io32, io, msg_status); 150 CP(io32, io, sb_len_wr); 151 CP(io32, io, host_status); 152 CP(io32, io, driver_status); 153 CP(io32, io, resid); 154 CP(io32, io, duration); 155 CP(io32, io, info); 156 157 if ((error = fo_ioctl(fp, SG_IO, (caddr_t)&io, td->td_ucred, td)) != 0) 158 return (error); 159 160 CP(io, io32, interface_id); 161 CP(io, io32, dxfer_direction); 162 CP(io, io32, cmd_len); 163 CP(io, io32, mx_sb_len); 164 CP(io, io32, iovec_count); 165 CP(io, io32, dxfer_len); 166 PTROUT_CP(io, io32, dxferp); 167 PTROUT_CP(io, io32, cmdp); 168 PTROUT_CP(io, io32, sbp); 169 CP(io, io32, timeout); 170 CP(io, io32, flags); 171 CP(io, io32, pack_id); 172 PTROUT_CP(io, io32, usr_ptr); 173 CP(io, io32, status); 174 CP(io, io32, masked_status); 175 CP(io, io32, msg_status); 176 CP(io, io32, sb_len_wr); 177 CP(io, io32, host_status); 178 CP(io, io32, driver_status); 179 CP(io, io32, resid); 180 CP(io, io32, duration); 181 CP(io, io32, info); 182 183 error = copyout(&io32, uap->data, sizeof(io32)); 184 185 return (error); 186 } 187 188 int 189 freebsd32_ioctl(struct thread *td, struct freebsd32_ioctl_args *uap) 190 { 191 struct ioctl_args ap /*{ 192 int fd; 193 u_long com; 194 caddr_t data; 195 }*/ ; 196 struct file *fp; 197 cap_rights_t rights; 198 int error; 199 200 error = fget(td, uap->fd, cap_rights_init_one(&rights, CAP_IOCTL), &fp); 201 if (error != 0) 202 return (error); 203 if ((fp->f_flag & (FREAD | FWRITE)) == 0) { 204 fdrop(fp, td); 205 return (EBADF); 206 } 207 208 switch (uap->com) { 209 case MEMRANGE_GET32: /* FALLTHROUGH */ 210 case MEMRANGE_SET32: 211 error = freebsd32_ioctl_memrange(td, uap, fp); 212 break; 213 214 case SG_IO_32: 215 error = freebsd32_ioctl_sg(td, uap, fp); 216 break; 217 218 case PCIOCBARMMAP_32: 219 error = freebsd32_ioctl_barmmap(td, uap, fp); 220 break; 221 222 default: 223 fdrop(fp, td); 224 ap.fd = uap->fd; 225 ap.com = uap->com; 226 PTRIN_CP(*uap, ap, data); 227 return sys_ioctl(td, &ap); 228 } 229 230 fdrop(fp, td); 231 return (error); 232 } 233