Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | /* |
| 2 | * 32bit -> 64bit ioctl wrapper for PCM API |
| 3 | * Copyright (c) by Takashi Iwai <tiwai@suse.de> |
| 4 | * |
| 5 | * This program is free software; you can redistribute it and/or modify |
| 6 | * it under the terms of the GNU General Public License as published by |
| 7 | * the Free Software Foundation; either version 2 of the License, or |
| 8 | * (at your option) any later version. |
| 9 | * |
| 10 | * This program is distributed in the hope that it will be useful, |
| 11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 13 | * GNU General Public License for more details. |
| 14 | * |
| 15 | * You should have received a copy of the GNU General Public License |
| 16 | * along with this program; if not, write to the Free Software |
| 17 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
| 18 | * |
| 19 | */ |
| 20 | |
| 21 | /* This file included from pcm_native.c */ |
| 22 | |
| 23 | #include <linux/compat.h> |
Tejun Heo | 5a0e3ad | 2010-03-24 17:04:11 +0900 | [diff] [blame] | 24 | #include <linux/slab.h> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 25 | |
Takashi Iwai | 877211f | 2005-11-17 13:59:38 +0100 | [diff] [blame] | 26 | static int snd_pcm_ioctl_delay_compat(struct snd_pcm_substream *substream, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 27 | s32 __user *src) |
| 28 | { |
| 29 | snd_pcm_sframes_t delay; |
| 30 | mm_segment_t fs; |
| 31 | int err; |
| 32 | |
| 33 | fs = snd_enter_user(); |
| 34 | err = snd_pcm_delay(substream, &delay); |
| 35 | snd_leave_user(fs); |
| 36 | if (err < 0) |
| 37 | return err; |
| 38 | if (put_user(delay, src)) |
| 39 | return -EFAULT; |
| 40 | return err; |
| 41 | } |
| 42 | |
Takashi Iwai | 877211f | 2005-11-17 13:59:38 +0100 | [diff] [blame] | 43 | static int snd_pcm_ioctl_rewind_compat(struct snd_pcm_substream *substream, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 44 | u32 __user *src) |
| 45 | { |
| 46 | snd_pcm_uframes_t frames; |
| 47 | int err; |
| 48 | |
| 49 | if (get_user(frames, src)) |
| 50 | return -EFAULT; |
| 51 | if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) |
| 52 | err = snd_pcm_playback_rewind(substream, frames); |
| 53 | else |
| 54 | err = snd_pcm_capture_rewind(substream, frames); |
| 55 | if (put_user(err, src)) |
| 56 | return -EFAULT; |
| 57 | return err < 0 ? err : 0; |
| 58 | } |
| 59 | |
Takashi Iwai | 877211f | 2005-11-17 13:59:38 +0100 | [diff] [blame] | 60 | static int snd_pcm_ioctl_forward_compat(struct snd_pcm_substream *substream, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 61 | u32 __user *src) |
| 62 | { |
| 63 | snd_pcm_uframes_t frames; |
| 64 | int err; |
| 65 | |
| 66 | if (get_user(frames, src)) |
| 67 | return -EFAULT; |
| 68 | if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) |
| 69 | err = snd_pcm_playback_forward(substream, frames); |
| 70 | else |
| 71 | err = snd_pcm_capture_forward(substream, frames); |
| 72 | if (put_user(err, src)) |
| 73 | return -EFAULT; |
| 74 | return err < 0 ? err : 0; |
| 75 | } |
| 76 | |
Takashi Iwai | 877211f | 2005-11-17 13:59:38 +0100 | [diff] [blame] | 77 | struct snd_pcm_hw_params32 { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 78 | u32 flags; |
Takashi Iwai | 877211f | 2005-11-17 13:59:38 +0100 | [diff] [blame] | 79 | struct snd_mask masks[SNDRV_PCM_HW_PARAM_LAST_MASK - SNDRV_PCM_HW_PARAM_FIRST_MASK + 1]; /* this must be identical */ |
| 80 | struct snd_mask mres[5]; /* reserved masks */ |
| 81 | struct snd_interval intervals[SNDRV_PCM_HW_PARAM_LAST_INTERVAL - SNDRV_PCM_HW_PARAM_FIRST_INTERVAL + 1]; |
| 82 | struct snd_interval ires[9]; /* reserved intervals */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 83 | u32 rmask; |
| 84 | u32 cmask; |
| 85 | u32 info; |
| 86 | u32 msbits; |
| 87 | u32 rate_num; |
| 88 | u32 rate_den; |
| 89 | u32 fifo_size; |
| 90 | unsigned char reserved[64]; |
| 91 | }; |
| 92 | |
Takashi Iwai | 877211f | 2005-11-17 13:59:38 +0100 | [diff] [blame] | 93 | struct snd_pcm_sw_params32 { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 94 | s32 tstamp_mode; |
| 95 | u32 period_step; |
| 96 | u32 sleep_min; |
| 97 | u32 avail_min; |
| 98 | u32 xfer_align; |
| 99 | u32 start_threshold; |
| 100 | u32 stop_threshold; |
| 101 | u32 silence_threshold; |
| 102 | u32 silence_size; |
| 103 | u32 boundary; |
Takashi Iwai | e58c295 | 2014-07-16 18:07:30 +0200 | [diff] [blame] | 104 | u32 proto; |
| 105 | u32 tstamp_type; |
| 106 | unsigned char reserved[56]; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 107 | }; |
| 108 | |
Takashi Iwai | b271131 | 2005-08-15 15:01:10 +0200 | [diff] [blame] | 109 | /* recalcuate the boundary within 32bit */ |
Takashi Iwai | 877211f | 2005-11-17 13:59:38 +0100 | [diff] [blame] | 110 | static snd_pcm_uframes_t recalculate_boundary(struct snd_pcm_runtime *runtime) |
Takashi Iwai | b271131 | 2005-08-15 15:01:10 +0200 | [diff] [blame] | 111 | { |
| 112 | snd_pcm_uframes_t boundary; |
| 113 | |
| 114 | if (! runtime->buffer_size) |
| 115 | return 0; |
| 116 | boundary = runtime->buffer_size; |
| 117 | while (boundary * 2 <= 0x7fffffffUL - runtime->buffer_size) |
| 118 | boundary *= 2; |
| 119 | return boundary; |
| 120 | } |
| 121 | |
Takashi Iwai | 877211f | 2005-11-17 13:59:38 +0100 | [diff] [blame] | 122 | static int snd_pcm_ioctl_sw_params_compat(struct snd_pcm_substream *substream, |
| 123 | struct snd_pcm_sw_params32 __user *src) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 124 | { |
Takashi Iwai | 877211f | 2005-11-17 13:59:38 +0100 | [diff] [blame] | 125 | struct snd_pcm_sw_params params; |
Takashi Iwai | b271131 | 2005-08-15 15:01:10 +0200 | [diff] [blame] | 126 | snd_pcm_uframes_t boundary; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 127 | int err; |
| 128 | |
| 129 | memset(¶ms, 0, sizeof(params)); |
| 130 | if (get_user(params.tstamp_mode, &src->tstamp_mode) || |
| 131 | get_user(params.period_step, &src->period_step) || |
| 132 | get_user(params.sleep_min, &src->sleep_min) || |
| 133 | get_user(params.avail_min, &src->avail_min) || |
| 134 | get_user(params.xfer_align, &src->xfer_align) || |
| 135 | get_user(params.start_threshold, &src->start_threshold) || |
| 136 | get_user(params.stop_threshold, &src->stop_threshold) || |
| 137 | get_user(params.silence_threshold, &src->silence_threshold) || |
Takashi Iwai | e58c295 | 2014-07-16 18:07:30 +0200 | [diff] [blame] | 138 | get_user(params.silence_size, &src->silence_size) || |
| 139 | get_user(params.tstamp_type, &src->tstamp_type) || |
| 140 | get_user(params.proto, &src->proto)) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 141 | return -EFAULT; |
Takashi Iwai | b271131 | 2005-08-15 15:01:10 +0200 | [diff] [blame] | 142 | /* |
| 143 | * Check silent_size parameter. Since we have 64bit boundary, |
| 144 | * silence_size must be compared with the 32bit boundary. |
| 145 | */ |
| 146 | boundary = recalculate_boundary(substream->runtime); |
| 147 | if (boundary && params.silence_size >= boundary) |
| 148 | params.silence_size = substream->runtime->boundary; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 149 | err = snd_pcm_sw_params(substream, ¶ms); |
| 150 | if (err < 0) |
| 151 | return err; |
Takashi Iwai | 7153a55 | 2005-08-25 19:51:47 +0200 | [diff] [blame] | 152 | if (boundary && put_user(boundary, &src->boundary)) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 153 | return -EFAULT; |
| 154 | return err; |
| 155 | } |
| 156 | |
Takashi Iwai | 877211f | 2005-11-17 13:59:38 +0100 | [diff] [blame] | 157 | struct snd_pcm_channel_info32 { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 158 | u32 channel; |
| 159 | u32 offset; |
| 160 | u32 first; |
| 161 | u32 step; |
| 162 | }; |
| 163 | |
Takashi Iwai | 877211f | 2005-11-17 13:59:38 +0100 | [diff] [blame] | 164 | static int snd_pcm_ioctl_channel_info_compat(struct snd_pcm_substream *substream, |
| 165 | struct snd_pcm_channel_info32 __user *src) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 166 | { |
Takashi Iwai | 877211f | 2005-11-17 13:59:38 +0100 | [diff] [blame] | 167 | struct snd_pcm_channel_info info; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 168 | int err; |
| 169 | |
| 170 | if (get_user(info.channel, &src->channel) || |
| 171 | get_user(info.offset, &src->offset) || |
| 172 | get_user(info.first, &src->first) || |
| 173 | get_user(info.step, &src->step)) |
| 174 | return -EFAULT; |
| 175 | err = snd_pcm_channel_info(substream, &info); |
| 176 | if (err < 0) |
| 177 | return err; |
| 178 | if (put_user(info.channel, &src->channel) || |
| 179 | put_user(info.offset, &src->offset) || |
| 180 | put_user(info.first, &src->first) || |
| 181 | put_user(info.step, &src->step)) |
| 182 | return -EFAULT; |
| 183 | return err; |
| 184 | } |
| 185 | |
Takashi Iwai | 513ace7 | 2016-02-28 11:23:09 +0100 | [diff] [blame] | 186 | #ifdef CONFIG_X86_X32 |
| 187 | /* X32 ABI has the same struct as x86-64 for snd_pcm_channel_info */ |
| 188 | static int snd_pcm_channel_info_user(struct snd_pcm_substream *substream, |
| 189 | struct snd_pcm_channel_info __user *src); |
| 190 | #define snd_pcm_ioctl_channel_info_x32(s, p) \ |
| 191 | snd_pcm_channel_info_user(s, p) |
| 192 | #endif /* CONFIG_X86_X32 */ |
| 193 | |
Takashi Iwai | 877211f | 2005-11-17 13:59:38 +0100 | [diff] [blame] | 194 | struct snd_pcm_status32 { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 195 | s32 state; |
| 196 | struct compat_timespec trigger_tstamp; |
| 197 | struct compat_timespec tstamp; |
| 198 | u32 appl_ptr; |
| 199 | u32 hw_ptr; |
| 200 | s32 delay; |
| 201 | u32 avail; |
| 202 | u32 avail_max; |
| 203 | u32 overrange; |
| 204 | s32 suspended_state; |
Pierre-Louis Bossart | 5442a73 | 2015-02-13 15:14:05 -0600 | [diff] [blame] | 205 | u32 audio_tstamp_data; |
Pierre-Louis Bossart | 4eeaaea | 2012-10-22 16:42:15 -0500 | [diff] [blame] | 206 | struct compat_timespec audio_tstamp; |
Pierre-Louis Bossart | 5442a73 | 2015-02-13 15:14:05 -0600 | [diff] [blame] | 207 | struct compat_timespec driver_tstamp; |
| 208 | u32 audio_tstamp_accuracy; |
| 209 | unsigned char reserved[52-2*sizeof(struct compat_timespec)]; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 210 | } __attribute__((packed)); |
| 211 | |
| 212 | |
Takashi Iwai | 877211f | 2005-11-17 13:59:38 +0100 | [diff] [blame] | 213 | static int snd_pcm_status_user_compat(struct snd_pcm_substream *substream, |
Pierre-Louis Bossart | 5442a73 | 2015-02-13 15:14:05 -0600 | [diff] [blame] | 214 | struct snd_pcm_status32 __user *src, |
| 215 | bool ext) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 216 | { |
Takashi Iwai | 877211f | 2005-11-17 13:59:38 +0100 | [diff] [blame] | 217 | struct snd_pcm_status status; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 218 | int err; |
| 219 | |
Pierre-Louis Bossart | 5442a73 | 2015-02-13 15:14:05 -0600 | [diff] [blame] | 220 | memset(&status, 0, sizeof(status)); |
| 221 | /* |
| 222 | * with extension, parameters are read/write, |
| 223 | * get audio_tstamp_data from user, |
| 224 | * ignore rest of status structure |
| 225 | */ |
| 226 | if (ext && get_user(status.audio_tstamp_data, |
| 227 | (u32 __user *)(&src->audio_tstamp_data))) |
| 228 | return -EFAULT; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 229 | err = snd_pcm_status(substream, &status); |
| 230 | if (err < 0) |
| 231 | return err; |
| 232 | |
Takashi Iwai | 317168d | 2014-10-28 12:42:19 +0100 | [diff] [blame] | 233 | if (clear_user(src, sizeof(*src))) |
| 234 | return -EFAULT; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 235 | if (put_user(status.state, &src->state) || |
Pierre-Louis Bossart | 4eeaaea | 2012-10-22 16:42:15 -0500 | [diff] [blame] | 236 | compat_put_timespec(&status.trigger_tstamp, &src->trigger_tstamp) || |
| 237 | compat_put_timespec(&status.tstamp, &src->tstamp) || |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 238 | put_user(status.appl_ptr, &src->appl_ptr) || |
| 239 | put_user(status.hw_ptr, &src->hw_ptr) || |
| 240 | put_user(status.delay, &src->delay) || |
| 241 | put_user(status.avail, &src->avail) || |
| 242 | put_user(status.avail_max, &src->avail_max) || |
| 243 | put_user(status.overrange, &src->overrange) || |
Pierre-Louis Bossart | 4eeaaea | 2012-10-22 16:42:15 -0500 | [diff] [blame] | 244 | put_user(status.suspended_state, &src->suspended_state) || |
Pierre-Louis Bossart | 5442a73 | 2015-02-13 15:14:05 -0600 | [diff] [blame] | 245 | put_user(status.audio_tstamp_data, &src->audio_tstamp_data) || |
| 246 | compat_put_timespec(&status.audio_tstamp, &src->audio_tstamp) || |
| 247 | compat_put_timespec(&status.driver_tstamp, &src->driver_tstamp) || |
| 248 | put_user(status.audio_tstamp_accuracy, &src->audio_tstamp_accuracy)) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 249 | return -EFAULT; |
| 250 | |
| 251 | return err; |
| 252 | } |
| 253 | |
Takashi Iwai | 513ace7 | 2016-02-28 11:23:09 +0100 | [diff] [blame] | 254 | #ifdef CONFIG_X86_X32 |
| 255 | /* X32 ABI has 64bit timespec and 64bit alignment */ |
| 256 | struct snd_pcm_status_x32 { |
| 257 | s32 state; |
| 258 | u32 rsvd; /* alignment */ |
| 259 | struct timespec trigger_tstamp; |
| 260 | struct timespec tstamp; |
| 261 | u32 appl_ptr; |
| 262 | u32 hw_ptr; |
| 263 | s32 delay; |
| 264 | u32 avail; |
| 265 | u32 avail_max; |
| 266 | u32 overrange; |
| 267 | s32 suspended_state; |
| 268 | u32 audio_tstamp_data; |
| 269 | struct timespec audio_tstamp; |
| 270 | struct timespec driver_tstamp; |
| 271 | u32 audio_tstamp_accuracy; |
| 272 | unsigned char reserved[52-2*sizeof(struct timespec)]; |
| 273 | } __packed; |
| 274 | |
| 275 | #define put_timespec(src, dst) copy_to_user(dst, src, sizeof(*dst)) |
| 276 | |
| 277 | static int snd_pcm_status_user_x32(struct snd_pcm_substream *substream, |
| 278 | struct snd_pcm_status_x32 __user *src, |
| 279 | bool ext) |
| 280 | { |
| 281 | struct snd_pcm_status status; |
| 282 | int err; |
| 283 | |
| 284 | memset(&status, 0, sizeof(status)); |
| 285 | /* |
| 286 | * with extension, parameters are read/write, |
| 287 | * get audio_tstamp_data from user, |
| 288 | * ignore rest of status structure |
| 289 | */ |
| 290 | if (ext && get_user(status.audio_tstamp_data, |
| 291 | (u32 __user *)(&src->audio_tstamp_data))) |
| 292 | return -EFAULT; |
| 293 | err = snd_pcm_status(substream, &status); |
| 294 | if (err < 0) |
| 295 | return err; |
| 296 | |
| 297 | if (clear_user(src, sizeof(*src))) |
| 298 | return -EFAULT; |
| 299 | if (put_user(status.state, &src->state) || |
| 300 | put_timespec(&status.trigger_tstamp, &src->trigger_tstamp) || |
| 301 | put_timespec(&status.tstamp, &src->tstamp) || |
| 302 | put_user(status.appl_ptr, &src->appl_ptr) || |
| 303 | put_user(status.hw_ptr, &src->hw_ptr) || |
| 304 | put_user(status.delay, &src->delay) || |
| 305 | put_user(status.avail, &src->avail) || |
| 306 | put_user(status.avail_max, &src->avail_max) || |
| 307 | put_user(status.overrange, &src->overrange) || |
| 308 | put_user(status.suspended_state, &src->suspended_state) || |
| 309 | put_user(status.audio_tstamp_data, &src->audio_tstamp_data) || |
| 310 | put_timespec(&status.audio_tstamp, &src->audio_tstamp) || |
| 311 | put_timespec(&status.driver_tstamp, &src->driver_tstamp) || |
| 312 | put_user(status.audio_tstamp_accuracy, &src->audio_tstamp_accuracy)) |
| 313 | return -EFAULT; |
| 314 | |
| 315 | return err; |
| 316 | } |
| 317 | #endif /* CONFIG_X86_X32 */ |
| 318 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 319 | /* both for HW_PARAMS and HW_REFINE */ |
Takashi Iwai | 877211f | 2005-11-17 13:59:38 +0100 | [diff] [blame] | 320 | static int snd_pcm_ioctl_hw_params_compat(struct snd_pcm_substream *substream, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 321 | int refine, |
Takashi Iwai | 877211f | 2005-11-17 13:59:38 +0100 | [diff] [blame] | 322 | struct snd_pcm_hw_params32 __user *data32) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 323 | { |
Takashi Iwai | 877211f | 2005-11-17 13:59:38 +0100 | [diff] [blame] | 324 | struct snd_pcm_hw_params *data; |
| 325 | struct snd_pcm_runtime *runtime; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 326 | int err; |
| 327 | |
| 328 | if (! (runtime = substream->runtime)) |
| 329 | return -ENOTTY; |
| 330 | |
Nicolas Boichat | 43c54b8 | 2016-01-18 21:35:00 +0800 | [diff] [blame] | 331 | data = kmalloc(sizeof(*data), GFP_KERNEL); |
| 332 | if (!data) |
| 333 | return -ENOMEM; |
| 334 | |
| 335 | /* only fifo_size (RO from userspace) is different, so just copy all */ |
| 336 | if (copy_from_user(data, data32, sizeof(*data32))) { |
| 337 | err = -EFAULT; |
| 338 | goto error; |
| 339 | } |
Li Zefan | ef44a1e | 2009-04-10 09:43:08 +0800 | [diff] [blame] | 340 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 341 | if (refine) |
| 342 | err = snd_pcm_hw_refine(substream, data); |
| 343 | else |
| 344 | err = snd_pcm_hw_params(substream, data); |
| 345 | if (err < 0) |
| 346 | goto error; |
| 347 | if (copy_to_user(data32, data, sizeof(*data32)) || |
| 348 | put_user(data->fifo_size, &data32->fifo_size)) { |
| 349 | err = -EFAULT; |
| 350 | goto error; |
| 351 | } |
| 352 | |
Takashi Iwai | 7153a55 | 2005-08-25 19:51:47 +0200 | [diff] [blame] | 353 | if (! refine) { |
| 354 | unsigned int new_boundary = recalculate_boundary(runtime); |
| 355 | if (new_boundary) |
| 356 | runtime->boundary = new_boundary; |
| 357 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 358 | error: |
| 359 | kfree(data); |
| 360 | return err; |
| 361 | } |
| 362 | |
| 363 | |
| 364 | /* |
| 365 | */ |
Takashi Iwai | 877211f | 2005-11-17 13:59:38 +0100 | [diff] [blame] | 366 | struct snd_xferi32 { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 367 | s32 result; |
| 368 | u32 buf; |
| 369 | u32 frames; |
| 370 | }; |
| 371 | |
Takashi Iwai | 877211f | 2005-11-17 13:59:38 +0100 | [diff] [blame] | 372 | static int snd_pcm_ioctl_xferi_compat(struct snd_pcm_substream *substream, |
| 373 | int dir, struct snd_xferi32 __user *data32) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 374 | { |
| 375 | compat_caddr_t buf; |
| 376 | u32 frames; |
| 377 | int err; |
| 378 | |
| 379 | if (! substream->runtime) |
| 380 | return -ENOTTY; |
| 381 | if (substream->stream != dir) |
| 382 | return -EINVAL; |
| 383 | if (substream->runtime->status->state == SNDRV_PCM_STATE_OPEN) |
| 384 | return -EBADFD; |
| 385 | |
| 386 | if (get_user(buf, &data32->buf) || |
| 387 | get_user(frames, &data32->frames)) |
| 388 | return -EFAULT; |
| 389 | |
| 390 | if (dir == SNDRV_PCM_STREAM_PLAYBACK) |
| 391 | err = snd_pcm_lib_write(substream, compat_ptr(buf), frames); |
| 392 | else |
| 393 | err = snd_pcm_lib_read(substream, compat_ptr(buf), frames); |
| 394 | if (err < 0) |
| 395 | return err; |
| 396 | /* copy the result */ |
| 397 | if (put_user(err, &data32->result)) |
| 398 | return -EFAULT; |
| 399 | return 0; |
| 400 | } |
| 401 | |
| 402 | |
| 403 | /* snd_xfern needs remapping of bufs */ |
Takashi Iwai | 877211f | 2005-11-17 13:59:38 +0100 | [diff] [blame] | 404 | struct snd_xfern32 { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 405 | s32 result; |
| 406 | u32 bufs; /* this is void **; */ |
| 407 | u32 frames; |
| 408 | }; |
| 409 | |
| 410 | /* |
| 411 | * xfern ioctl nees to copy (up to) 128 pointers on stack. |
| 412 | * although we may pass the copied pointers through f_op->ioctl, but the ioctl |
| 413 | * handler there expands again the same 128 pointers on stack, so it is better |
| 414 | * to handle the function (calling pcm_readv/writev) directly in this handler. |
| 415 | */ |
Takashi Iwai | 877211f | 2005-11-17 13:59:38 +0100 | [diff] [blame] | 416 | static int snd_pcm_ioctl_xfern_compat(struct snd_pcm_substream *substream, |
| 417 | int dir, struct snd_xfern32 __user *data32) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 418 | { |
| 419 | compat_caddr_t buf; |
| 420 | compat_caddr_t __user *bufptr; |
| 421 | u32 frames; |
| 422 | void __user **bufs; |
| 423 | int err, ch, i; |
| 424 | |
| 425 | if (! substream->runtime) |
| 426 | return -ENOTTY; |
| 427 | if (substream->stream != dir) |
| 428 | return -EINVAL; |
| 429 | |
| 430 | if ((ch = substream->runtime->channels) > 128) |
| 431 | return -EINVAL; |
| 432 | if (get_user(buf, &data32->bufs) || |
| 433 | get_user(frames, &data32->frames)) |
| 434 | return -EFAULT; |
| 435 | bufptr = compat_ptr(buf); |
| 436 | bufs = kmalloc(sizeof(void __user *) * ch, GFP_KERNEL); |
| 437 | if (bufs == NULL) |
| 438 | return -ENOMEM; |
| 439 | for (i = 0; i < ch; i++) { |
| 440 | u32 ptr; |
| 441 | if (get_user(ptr, bufptr)) { |
| 442 | kfree(bufs); |
| 443 | return -EFAULT; |
| 444 | } |
Julia Lawall | ca9380f | 2011-07-28 14:46:05 +0200 | [diff] [blame] | 445 | bufs[i] = compat_ptr(ptr); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 446 | bufptr++; |
| 447 | } |
| 448 | if (dir == SNDRV_PCM_STREAM_PLAYBACK) |
| 449 | err = snd_pcm_lib_writev(substream, bufs, frames); |
| 450 | else |
| 451 | err = snd_pcm_lib_readv(substream, bufs, frames); |
| 452 | if (err >= 0) { |
| 453 | if (put_user(err, &data32->result)) |
| 454 | err = -EFAULT; |
| 455 | } |
| 456 | kfree(bufs); |
| 457 | return err; |
| 458 | } |
| 459 | |
| 460 | |
Takashi Iwai | 877211f | 2005-11-17 13:59:38 +0100 | [diff] [blame] | 461 | struct snd_pcm_mmap_status32 { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 462 | s32 state; |
| 463 | s32 pad1; |
| 464 | u32 hw_ptr; |
| 465 | struct compat_timespec tstamp; |
| 466 | s32 suspended_state; |
Pierre-Louis Bossart | 4eeaaea | 2012-10-22 16:42:15 -0500 | [diff] [blame] | 467 | struct compat_timespec audio_tstamp; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 468 | } __attribute__((packed)); |
| 469 | |
Takashi Iwai | 877211f | 2005-11-17 13:59:38 +0100 | [diff] [blame] | 470 | struct snd_pcm_mmap_control32 { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 471 | u32 appl_ptr; |
| 472 | u32 avail_min; |
| 473 | }; |
| 474 | |
Takashi Iwai | 877211f | 2005-11-17 13:59:38 +0100 | [diff] [blame] | 475 | struct snd_pcm_sync_ptr32 { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 476 | u32 flags; |
| 477 | union { |
Takashi Iwai | 877211f | 2005-11-17 13:59:38 +0100 | [diff] [blame] | 478 | struct snd_pcm_mmap_status32 status; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 479 | unsigned char reserved[64]; |
| 480 | } s; |
| 481 | union { |
Takashi Iwai | 877211f | 2005-11-17 13:59:38 +0100 | [diff] [blame] | 482 | struct snd_pcm_mmap_control32 control; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 483 | unsigned char reserved[64]; |
| 484 | } c; |
| 485 | } __attribute__((packed)); |
| 486 | |
Takashi Iwai | 877211f | 2005-11-17 13:59:38 +0100 | [diff] [blame] | 487 | static int snd_pcm_ioctl_sync_ptr_compat(struct snd_pcm_substream *substream, |
| 488 | struct snd_pcm_sync_ptr32 __user *src) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 489 | { |
Takashi Iwai | 877211f | 2005-11-17 13:59:38 +0100 | [diff] [blame] | 490 | struct snd_pcm_runtime *runtime = substream->runtime; |
| 491 | volatile struct snd_pcm_mmap_status *status; |
| 492 | volatile struct snd_pcm_mmap_control *control; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 493 | u32 sflags; |
Takashi Iwai | 877211f | 2005-11-17 13:59:38 +0100 | [diff] [blame] | 494 | struct snd_pcm_mmap_control scontrol; |
| 495 | struct snd_pcm_mmap_status sstatus; |
Takashi Iwai | b271131 | 2005-08-15 15:01:10 +0200 | [diff] [blame] | 496 | snd_pcm_uframes_t boundary; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 497 | int err; |
| 498 | |
Takashi Iwai | 7eaa943 | 2008-08-08 17:09:09 +0200 | [diff] [blame] | 499 | if (snd_BUG_ON(!runtime)) |
| 500 | return -EINVAL; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 501 | |
| 502 | if (get_user(sflags, &src->flags) || |
| 503 | get_user(scontrol.appl_ptr, &src->c.control.appl_ptr) || |
| 504 | get_user(scontrol.avail_min, &src->c.control.avail_min)) |
| 505 | return -EFAULT; |
| 506 | if (sflags & SNDRV_PCM_SYNC_PTR_HWSYNC) { |
| 507 | err = snd_pcm_hwsync(substream); |
| 508 | if (err < 0) |
| 509 | return err; |
| 510 | } |
| 511 | status = runtime->status; |
| 512 | control = runtime->control; |
Takashi Iwai | b271131 | 2005-08-15 15:01:10 +0200 | [diff] [blame] | 513 | boundary = recalculate_boundary(runtime); |
Takashi Iwai | 7153a55 | 2005-08-25 19:51:47 +0200 | [diff] [blame] | 514 | if (! boundary) |
| 515 | boundary = 0x7fffffff; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 516 | snd_pcm_stream_lock_irq(substream); |
Takashi Iwai | b271131 | 2005-08-15 15:01:10 +0200 | [diff] [blame] | 517 | /* FIXME: we should consider the boundary for the sync from app */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 518 | if (!(sflags & SNDRV_PCM_SYNC_PTR_APPL)) |
| 519 | control->appl_ptr = scontrol.appl_ptr; |
| 520 | else |
Takashi Iwai | b271131 | 2005-08-15 15:01:10 +0200 | [diff] [blame] | 521 | scontrol.appl_ptr = control->appl_ptr % boundary; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 522 | if (!(sflags & SNDRV_PCM_SYNC_PTR_AVAIL_MIN)) |
| 523 | control->avail_min = scontrol.avail_min; |
| 524 | else |
| 525 | scontrol.avail_min = control->avail_min; |
| 526 | sstatus.state = status->state; |
Takashi Iwai | b271131 | 2005-08-15 15:01:10 +0200 | [diff] [blame] | 527 | sstatus.hw_ptr = status->hw_ptr % boundary; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 528 | sstatus.tstamp = status->tstamp; |
| 529 | sstatus.suspended_state = status->suspended_state; |
Pierre-Louis Bossart | 4eeaaea | 2012-10-22 16:42:15 -0500 | [diff] [blame] | 530 | sstatus.audio_tstamp = status->audio_tstamp; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 531 | snd_pcm_stream_unlock_irq(substream); |
| 532 | if (put_user(sstatus.state, &src->s.status.state) || |
| 533 | put_user(sstatus.hw_ptr, &src->s.status.hw_ptr) || |
Pierre-Louis Bossart | 4eeaaea | 2012-10-22 16:42:15 -0500 | [diff] [blame] | 534 | compat_put_timespec(&sstatus.tstamp, &src->s.status.tstamp) || |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 535 | put_user(sstatus.suspended_state, &src->s.status.suspended_state) || |
Pierre-Louis Bossart | 4eeaaea | 2012-10-22 16:42:15 -0500 | [diff] [blame] | 536 | compat_put_timespec(&sstatus.audio_tstamp, |
| 537 | &src->s.status.audio_tstamp) || |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 538 | put_user(scontrol.appl_ptr, &src->c.control.appl_ptr) || |
| 539 | put_user(scontrol.avail_min, &src->c.control.avail_min)) |
| 540 | return -EFAULT; |
| 541 | |
| 542 | return 0; |
| 543 | } |
| 544 | |
Takashi Iwai | 513ace7 | 2016-02-28 11:23:09 +0100 | [diff] [blame] | 545 | #ifdef CONFIG_X86_X32 |
| 546 | /* X32 ABI has 64bit timespec and 64bit alignment */ |
| 547 | struct snd_pcm_mmap_status_x32 { |
| 548 | s32 state; |
| 549 | s32 pad1; |
| 550 | u32 hw_ptr; |
| 551 | u32 pad2; /* alignment */ |
| 552 | struct timespec tstamp; |
| 553 | s32 suspended_state; |
| 554 | struct timespec audio_tstamp; |
| 555 | } __packed; |
| 556 | |
| 557 | struct snd_pcm_mmap_control_x32 { |
| 558 | u32 appl_ptr; |
| 559 | u32 avail_min; |
| 560 | }; |
| 561 | |
| 562 | struct snd_pcm_sync_ptr_x32 { |
| 563 | u32 flags; |
| 564 | u32 rsvd; /* alignment */ |
| 565 | union { |
| 566 | struct snd_pcm_mmap_status_x32 status; |
| 567 | unsigned char reserved[64]; |
| 568 | } s; |
| 569 | union { |
| 570 | struct snd_pcm_mmap_control_x32 control; |
| 571 | unsigned char reserved[64]; |
| 572 | } c; |
| 573 | } __packed; |
| 574 | |
| 575 | static int snd_pcm_ioctl_sync_ptr_x32(struct snd_pcm_substream *substream, |
| 576 | struct snd_pcm_sync_ptr_x32 __user *src) |
| 577 | { |
| 578 | struct snd_pcm_runtime *runtime = substream->runtime; |
| 579 | volatile struct snd_pcm_mmap_status *status; |
| 580 | volatile struct snd_pcm_mmap_control *control; |
| 581 | u32 sflags; |
| 582 | struct snd_pcm_mmap_control scontrol; |
| 583 | struct snd_pcm_mmap_status sstatus; |
| 584 | snd_pcm_uframes_t boundary; |
| 585 | int err; |
| 586 | |
| 587 | if (snd_BUG_ON(!runtime)) |
| 588 | return -EINVAL; |
| 589 | |
| 590 | if (get_user(sflags, &src->flags) || |
| 591 | get_user(scontrol.appl_ptr, &src->c.control.appl_ptr) || |
| 592 | get_user(scontrol.avail_min, &src->c.control.avail_min)) |
| 593 | return -EFAULT; |
| 594 | if (sflags & SNDRV_PCM_SYNC_PTR_HWSYNC) { |
| 595 | err = snd_pcm_hwsync(substream); |
| 596 | if (err < 0) |
| 597 | return err; |
| 598 | } |
| 599 | status = runtime->status; |
| 600 | control = runtime->control; |
| 601 | boundary = recalculate_boundary(runtime); |
| 602 | if (!boundary) |
| 603 | boundary = 0x7fffffff; |
| 604 | snd_pcm_stream_lock_irq(substream); |
| 605 | /* FIXME: we should consider the boundary for the sync from app */ |
| 606 | if (!(sflags & SNDRV_PCM_SYNC_PTR_APPL)) |
| 607 | control->appl_ptr = scontrol.appl_ptr; |
| 608 | else |
| 609 | scontrol.appl_ptr = control->appl_ptr % boundary; |
| 610 | if (!(sflags & SNDRV_PCM_SYNC_PTR_AVAIL_MIN)) |
| 611 | control->avail_min = scontrol.avail_min; |
| 612 | else |
| 613 | scontrol.avail_min = control->avail_min; |
| 614 | sstatus.state = status->state; |
| 615 | sstatus.hw_ptr = status->hw_ptr % boundary; |
| 616 | sstatus.tstamp = status->tstamp; |
| 617 | sstatus.suspended_state = status->suspended_state; |
| 618 | sstatus.audio_tstamp = status->audio_tstamp; |
| 619 | snd_pcm_stream_unlock_irq(substream); |
| 620 | if (put_user(sstatus.state, &src->s.status.state) || |
| 621 | put_user(sstatus.hw_ptr, &src->s.status.hw_ptr) || |
| 622 | put_timespec(&sstatus.tstamp, &src->s.status.tstamp) || |
| 623 | put_user(sstatus.suspended_state, &src->s.status.suspended_state) || |
| 624 | put_timespec(&sstatus.audio_tstamp, &src->s.status.audio_tstamp) || |
| 625 | put_user(scontrol.appl_ptr, &src->c.control.appl_ptr) || |
| 626 | put_user(scontrol.avail_min, &src->c.control.avail_min)) |
| 627 | return -EFAULT; |
| 628 | |
| 629 | return 0; |
| 630 | } |
| 631 | #endif /* CONFIG_X86_X32 */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 632 | |
| 633 | /* |
| 634 | */ |
| 635 | enum { |
Takashi Iwai | 877211f | 2005-11-17 13:59:38 +0100 | [diff] [blame] | 636 | SNDRV_PCM_IOCTL_HW_REFINE32 = _IOWR('A', 0x10, struct snd_pcm_hw_params32), |
| 637 | SNDRV_PCM_IOCTL_HW_PARAMS32 = _IOWR('A', 0x11, struct snd_pcm_hw_params32), |
| 638 | SNDRV_PCM_IOCTL_SW_PARAMS32 = _IOWR('A', 0x13, struct snd_pcm_sw_params32), |
| 639 | SNDRV_PCM_IOCTL_STATUS32 = _IOR('A', 0x20, struct snd_pcm_status32), |
Pierre-Louis Bossart | 5442a73 | 2015-02-13 15:14:05 -0600 | [diff] [blame] | 640 | SNDRV_PCM_IOCTL_STATUS_EXT32 = _IOWR('A', 0x24, struct snd_pcm_status32), |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 641 | SNDRV_PCM_IOCTL_DELAY32 = _IOR('A', 0x21, s32), |
Takashi Iwai | 877211f | 2005-11-17 13:59:38 +0100 | [diff] [blame] | 642 | SNDRV_PCM_IOCTL_CHANNEL_INFO32 = _IOR('A', 0x32, struct snd_pcm_channel_info32), |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 643 | SNDRV_PCM_IOCTL_REWIND32 = _IOW('A', 0x46, u32), |
| 644 | SNDRV_PCM_IOCTL_FORWARD32 = _IOW('A', 0x49, u32), |
Takashi Iwai | 877211f | 2005-11-17 13:59:38 +0100 | [diff] [blame] | 645 | SNDRV_PCM_IOCTL_WRITEI_FRAMES32 = _IOW('A', 0x50, struct snd_xferi32), |
| 646 | SNDRV_PCM_IOCTL_READI_FRAMES32 = _IOR('A', 0x51, struct snd_xferi32), |
| 647 | SNDRV_PCM_IOCTL_WRITEN_FRAMES32 = _IOW('A', 0x52, struct snd_xfern32), |
| 648 | SNDRV_PCM_IOCTL_READN_FRAMES32 = _IOR('A', 0x53, struct snd_xfern32), |
| 649 | SNDRV_PCM_IOCTL_SYNC_PTR32 = _IOWR('A', 0x23, struct snd_pcm_sync_ptr32), |
Takashi Iwai | 513ace7 | 2016-02-28 11:23:09 +0100 | [diff] [blame] | 650 | #ifdef CONFIG_X86_X32 |
| 651 | SNDRV_PCM_IOCTL_CHANNEL_INFO_X32 = _IOR('A', 0x32, struct snd_pcm_channel_info), |
| 652 | SNDRV_PCM_IOCTL_STATUS_X32 = _IOR('A', 0x20, struct snd_pcm_status_x32), |
| 653 | SNDRV_PCM_IOCTL_STATUS_EXT_X32 = _IOWR('A', 0x24, struct snd_pcm_status_x32), |
| 654 | SNDRV_PCM_IOCTL_SYNC_PTR_X32 = _IOWR('A', 0x23, struct snd_pcm_sync_ptr_x32), |
| 655 | #endif /* CONFIG_X86_X32 */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 656 | }; |
| 657 | |
| 658 | static long snd_pcm_ioctl_compat(struct file *file, unsigned int cmd, unsigned long arg) |
| 659 | { |
Takashi Iwai | 877211f | 2005-11-17 13:59:38 +0100 | [diff] [blame] | 660 | struct snd_pcm_file *pcm_file; |
| 661 | struct snd_pcm_substream *substream; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 662 | void __user *argp = compat_ptr(arg); |
| 663 | |
| 664 | pcm_file = file->private_data; |
| 665 | if (! pcm_file) |
| 666 | return -ENOTTY; |
| 667 | substream = pcm_file->substream; |
| 668 | if (! substream) |
| 669 | return -ENOTTY; |
| 670 | |
| 671 | /* |
| 672 | * When PCM is used on 32bit mode, we need to disable |
| 673 | * mmap of PCM status/control records because of the size |
| 674 | * incompatibility. |
| 675 | */ |
Takashi Iwai | 548a648 | 2006-07-31 16:51:51 +0200 | [diff] [blame] | 676 | pcm_file->no_compat_mmap = 1; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 677 | |
| 678 | switch (cmd) { |
| 679 | case SNDRV_PCM_IOCTL_PVERSION: |
| 680 | case SNDRV_PCM_IOCTL_INFO: |
Takashi Iwai | 5a7f261 | 2007-12-17 11:44:25 +0100 | [diff] [blame] | 681 | case SNDRV_PCM_IOCTL_TSTAMP: |
Takashi Iwai | 6b587ef | 2007-12-14 12:10:26 +0100 | [diff] [blame] | 682 | case SNDRV_PCM_IOCTL_TTSTAMP: |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 683 | case SNDRV_PCM_IOCTL_HWSYNC: |
| 684 | case SNDRV_PCM_IOCTL_PREPARE: |
| 685 | case SNDRV_PCM_IOCTL_RESET: |
| 686 | case SNDRV_PCM_IOCTL_START: |
| 687 | case SNDRV_PCM_IOCTL_DROP: |
| 688 | case SNDRV_PCM_IOCTL_DRAIN: |
| 689 | case SNDRV_PCM_IOCTL_PAUSE: |
| 690 | case SNDRV_PCM_IOCTL_HW_FREE: |
| 691 | case SNDRV_PCM_IOCTL_RESUME: |
| 692 | case SNDRV_PCM_IOCTL_XRUN: |
| 693 | case SNDRV_PCM_IOCTL_LINK: |
| 694 | case SNDRV_PCM_IOCTL_UNLINK: |
| 695 | if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) |
Takashi Iwai | 0df63e4 | 2006-04-28 15:13:41 +0200 | [diff] [blame] | 696 | return snd_pcm_playback_ioctl1(file, substream, cmd, argp); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 697 | else |
Takashi Iwai | 0df63e4 | 2006-04-28 15:13:41 +0200 | [diff] [blame] | 698 | return snd_pcm_capture_ioctl1(file, substream, cmd, argp); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 699 | case SNDRV_PCM_IOCTL_HW_REFINE32: |
| 700 | return snd_pcm_ioctl_hw_params_compat(substream, 1, argp); |
| 701 | case SNDRV_PCM_IOCTL_HW_PARAMS32: |
| 702 | return snd_pcm_ioctl_hw_params_compat(substream, 0, argp); |
| 703 | case SNDRV_PCM_IOCTL_SW_PARAMS32: |
| 704 | return snd_pcm_ioctl_sw_params_compat(substream, argp); |
| 705 | case SNDRV_PCM_IOCTL_STATUS32: |
Pierre-Louis Bossart | 5442a73 | 2015-02-13 15:14:05 -0600 | [diff] [blame] | 706 | return snd_pcm_status_user_compat(substream, argp, false); |
| 707 | case SNDRV_PCM_IOCTL_STATUS_EXT32: |
| 708 | return snd_pcm_status_user_compat(substream, argp, true); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 709 | case SNDRV_PCM_IOCTL_SYNC_PTR32: |
| 710 | return snd_pcm_ioctl_sync_ptr_compat(substream, argp); |
| 711 | case SNDRV_PCM_IOCTL_CHANNEL_INFO32: |
| 712 | return snd_pcm_ioctl_channel_info_compat(substream, argp); |
| 713 | case SNDRV_PCM_IOCTL_WRITEI_FRAMES32: |
| 714 | return snd_pcm_ioctl_xferi_compat(substream, SNDRV_PCM_STREAM_PLAYBACK, argp); |
| 715 | case SNDRV_PCM_IOCTL_READI_FRAMES32: |
| 716 | return snd_pcm_ioctl_xferi_compat(substream, SNDRV_PCM_STREAM_CAPTURE, argp); |
| 717 | case SNDRV_PCM_IOCTL_WRITEN_FRAMES32: |
| 718 | return snd_pcm_ioctl_xfern_compat(substream, SNDRV_PCM_STREAM_PLAYBACK, argp); |
| 719 | case SNDRV_PCM_IOCTL_READN_FRAMES32: |
| 720 | return snd_pcm_ioctl_xfern_compat(substream, SNDRV_PCM_STREAM_CAPTURE, argp); |
| 721 | case SNDRV_PCM_IOCTL_DELAY32: |
| 722 | return snd_pcm_ioctl_delay_compat(substream, argp); |
| 723 | case SNDRV_PCM_IOCTL_REWIND32: |
| 724 | return snd_pcm_ioctl_rewind_compat(substream, argp); |
| 725 | case SNDRV_PCM_IOCTL_FORWARD32: |
| 726 | return snd_pcm_ioctl_forward_compat(substream, argp); |
Takashi Iwai | 513ace7 | 2016-02-28 11:23:09 +0100 | [diff] [blame] | 727 | #ifdef CONFIG_X86_X32 |
| 728 | case SNDRV_PCM_IOCTL_STATUS_X32: |
| 729 | return snd_pcm_status_user_x32(substream, argp, false); |
| 730 | case SNDRV_PCM_IOCTL_STATUS_EXT_X32: |
| 731 | return snd_pcm_status_user_x32(substream, argp, true); |
| 732 | case SNDRV_PCM_IOCTL_SYNC_PTR_X32: |
| 733 | return snd_pcm_ioctl_sync_ptr_x32(substream, argp); |
| 734 | case SNDRV_PCM_IOCTL_CHANNEL_INFO_X32: |
| 735 | return snd_pcm_ioctl_channel_info_x32(substream, argp); |
| 736 | #endif /* CONFIG_X86_X32 */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 737 | } |
| 738 | |
| 739 | return -ENOIOCTLCMD; |
| 740 | } |