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https://github.com/brain-hackers/linux-brain.git
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[DVB]: Add compat ioctl handling.
Based upon a patch by Guido Guenther <agx@sigxcpu.org>. Some of these ioctls had embedded time_t objects or pointers, so needed translation. Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
David S. Miller
parent
7b5603e056
commit
6e87abd0b8
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@ -121,6 +121,11 @@
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#include <linux/hiddev.h>
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#include <linux/dvb/audio.h>
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#include <linux/dvb/dmx.h>
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#include <linux/dvb/frontend.h>
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#include <linux/dvb/video.h>
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#undef INCLUDES
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#endif
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@ -413,6 +418,128 @@ static int do_video_ioctl(unsigned int fd, unsigned int cmd, unsigned long arg)
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return err;
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}
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struct compat_dmx_event {
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dmx_event_t event;
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compat_time_t timeStamp;
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union
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{
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dmx_scrambling_status_t scrambling;
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} u;
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};
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static int do_dmx_get_event(unsigned int fd, unsigned int cmd, unsigned long arg)
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{
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struct dmx_event kevent;
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mm_segment_t old_fs = get_fs();
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int err;
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set_fs(KERNEL_DS);
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err = sys_ioctl(fd, cmd, (unsigned long) &kevent);
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set_fs(old_fs);
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if (!err) {
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struct compat_dmx_event __user *up = compat_ptr(arg);
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err = put_user(kevent.event, &up->event);
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err |= put_user(kevent.timeStamp, &up->timeStamp);
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err |= put_user(kevent.u.scrambling, &up->u.scrambling);
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if (err)
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err = -EFAULT;
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}
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return err;
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}
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struct compat_video_event {
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int32_t type;
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compat_time_t timestamp;
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union {
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video_size_t size;
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unsigned int frame_rate;
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} u;
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};
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static int do_video_get_event(unsigned int fd, unsigned int cmd, unsigned long arg)
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{
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struct video_event kevent;
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mm_segment_t old_fs = get_fs();
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int err;
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set_fs(KERNEL_DS);
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err = sys_ioctl(fd, cmd, (unsigned long) &kevent);
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set_fs(old_fs);
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if (!err) {
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struct compat_video_event __user *up = compat_ptr(arg);
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err = put_user(kevent.type, &up->type);
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err |= put_user(kevent.timestamp, &up->timestamp);
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err |= put_user(kevent.u.size.w, &up->u.size.w);
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err |= put_user(kevent.u.size.h, &up->u.size.h);
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err |= put_user(kevent.u.size.aspect_ratio,
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&up->u.size.aspect_ratio);
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if (err)
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err = -EFAULT;
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}
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return err;
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}
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struct compat_video_still_picture {
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compat_uptr_t iFrame;
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int32_t size;
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};
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static int do_video_stillpicture(unsigned int fd, unsigned int cmd, unsigned long arg)
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{
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struct compat_video_still_picture __user *up;
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struct video_still_picture __user *up_native;
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compat_uptr_t fp;
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int32_t size;
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int err;
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up = (struct compat_video_still_picture __user *) arg;
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err = get_user(fp, &up->iFrame);
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err |= get_user(size, &up->size);
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if (err)
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return -EFAULT;
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up_native =
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compat_alloc_user_space(sizeof(struct video_still_picture));
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put_user(compat_ptr(fp), &up_native->iFrame);
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put_user(size, &up_native->size);
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err = sys_ioctl(fd, cmd, (unsigned long) up_native);
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return err;
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}
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struct compat_video_spu_palette {
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int length;
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compat_uptr_t palette;
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};
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static int do_video_set_spu_palette(unsigned int fd, unsigned int cmd, unsigned long arg)
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{
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struct compat_video_spu_palette __user *up;
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struct video_spu_palette __user *up_native;
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compat_uptr_t palp;
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int length, err;
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up = (struct compat_video_spu_palette __user *) arg;
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err = get_user(palp, &up->palette);
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err |= get_user(length, &up->length);
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up_native = compat_alloc_user_space(sizeof(struct video_spu_palette));
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put_user(compat_ptr(palp), &up_native->palette);
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put_user(length, &up_native->length);
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err = sys_ioctl(fd, cmd, (unsigned long) up_native);
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return err;
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}
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#ifdef CONFIG_NET
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static int do_siocgstamp(unsigned int fd, unsigned int cmd, unsigned long arg)
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{
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@ -2954,5 +3081,11 @@ HANDLE_IOCTL(NCP_IOC_GETPRIVATEDATA_32, do_ncp_getprivatedata)
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HANDLE_IOCTL(NCP_IOC_SETPRIVATEDATA_32, do_ncp_setprivatedata)
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#endif
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/* dvb */
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HANDLE_IOCTL(DMX_GET_EVENT, do_dmx_get_event)
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HANDLE_IOCTL(VIDEO_GET_EVENT, do_video_get_event)
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HANDLE_IOCTL(VIDEO_STILLPICTURE, do_video_stillpicture)
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HANDLE_IOCTL(VIDEO_SET_SPU_PALETTE, do_video_set_spu_palette)
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#undef DECLARES
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#endif
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@ -795,3 +795,70 @@ COMPATIBLE_IOCTL(HIDIOCGFLAG)
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COMPATIBLE_IOCTL(HIDIOCSFLAG)
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COMPATIBLE_IOCTL(HIDIOCGCOLLECTIONINDEX)
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COMPATIBLE_IOCTL(HIDIOCGCOLLECTIONINFO)
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/* dvb */
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COMPATIBLE_IOCTL(AUDIO_STOP)
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COMPATIBLE_IOCTL(AUDIO_PLAY)
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COMPATIBLE_IOCTL(AUDIO_PAUSE)
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COMPATIBLE_IOCTL(AUDIO_CONTINUE)
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COMPATIBLE_IOCTL(AUDIO_SELECT_SOURCE)
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COMPATIBLE_IOCTL(AUDIO_SET_MUTE)
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COMPATIBLE_IOCTL(AUDIO_SET_AV_SYNC)
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COMPATIBLE_IOCTL(AUDIO_SET_BYPASS_MODE)
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COMPATIBLE_IOCTL(AUDIO_CHANNEL_SELECT)
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COMPATIBLE_IOCTL(AUDIO_GET_STATUS)
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COMPATIBLE_IOCTL(AUDIO_GET_CAPABILITIES)
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COMPATIBLE_IOCTL(AUDIO_CLEAR_BUFFER)
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COMPATIBLE_IOCTL(AUDIO_SET_ID)
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COMPATIBLE_IOCTL(AUDIO_SET_MIXER)
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COMPATIBLE_IOCTL(AUDIO_SET_STREAMTYPE)
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COMPATIBLE_IOCTL(AUDIO_SET_EXT_ID)
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COMPATIBLE_IOCTL(AUDIO_SET_ATTRIBUTES)
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COMPATIBLE_IOCTL(AUDIO_SET_KARAOKE)
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COMPATIBLE_IOCTL(DMX_START)
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COMPATIBLE_IOCTL(DMX_STOP)
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COMPATIBLE_IOCTL(DMX_SET_FILTER)
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COMPATIBLE_IOCTL(DMX_SET_PES_FILTER)
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COMPATIBLE_IOCTL(DMX_SET_BUFFER_SIZE)
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COMPATIBLE_IOCTL(DMX_GET_PES_PIDS)
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COMPATIBLE_IOCTL(DMX_GET_CAPS)
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COMPATIBLE_IOCTL(DMX_SET_SOURCE)
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COMPATIBLE_IOCTL(DMX_GET_STC)
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COMPATIBLE_IOCTL(FE_GET_INFO)
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COMPATIBLE_IOCTL(FE_DISEQC_RESET_OVERLOAD)
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COMPATIBLE_IOCTL(FE_DISEQC_SEND_MASTER_CMD)
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COMPATIBLE_IOCTL(FE_DISEQC_RECV_SLAVE_REPLY)
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COMPATIBLE_IOCTL(FE_DISEQC_SEND_BURST)
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COMPATIBLE_IOCTL(FE_SET_TONE)
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COMPATIBLE_IOCTL(FE_SET_VOLTAGE)
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COMPATIBLE_IOCTL(FE_ENABLE_HIGH_LNB_VOLTAGE)
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COMPATIBLE_IOCTL(FE_READ_STATUS)
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COMPATIBLE_IOCTL(FE_READ_BER)
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COMPATIBLE_IOCTL(FE_READ_SIGNAL_STRENGTH)
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COMPATIBLE_IOCTL(FE_READ_SNR)
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COMPATIBLE_IOCTL(FE_READ_UNCORRECTED_BLOCKS)
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COMPATIBLE_IOCTL(FE_SET_FRONTEND)
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COMPATIBLE_IOCTL(FE_GET_FRONTEND)
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COMPATIBLE_IOCTL(FE_GET_EVENT)
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COMPATIBLE_IOCTL(FE_DISHNETWORK_SEND_LEGACY_CMD)
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COMPATIBLE_IOCTL(VIDEO_STOP)
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COMPATIBLE_IOCTL(VIDEO_PLAY)
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COMPATIBLE_IOCTL(VIDEO_FREEZE)
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COMPATIBLE_IOCTL(VIDEO_CONTINUE)
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COMPATIBLE_IOCTL(VIDEO_SELECT_SOURCE)
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COMPATIBLE_IOCTL(VIDEO_SET_BLANK)
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COMPATIBLE_IOCTL(VIDEO_GET_STATUS)
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COMPATIBLE_IOCTL(VIDEO_SET_DISPLAY_FORMAT)
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COMPATIBLE_IOCTL(VIDEO_FAST_FORWARD)
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COMPATIBLE_IOCTL(VIDEO_SLOWMOTION)
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COMPATIBLE_IOCTL(VIDEO_GET_CAPABILITIES)
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COMPATIBLE_IOCTL(VIDEO_CLEAR_BUFFER)
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COMPATIBLE_IOCTL(VIDEO_SET_ID)
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COMPATIBLE_IOCTL(VIDEO_SET_STREAMTYPE)
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COMPATIBLE_IOCTL(VIDEO_SET_FORMAT)
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COMPATIBLE_IOCTL(VIDEO_SET_SYSTEM)
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COMPATIBLE_IOCTL(VIDEO_SET_HIGHLIGHT)
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COMPATIBLE_IOCTL(VIDEO_SET_SPU)
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COMPATIBLE_IOCTL(VIDEO_GET_NAVI)
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COMPATIBLE_IOCTL(VIDEO_SET_ATTRIBUTES)
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COMPATIBLE_IOCTL(VIDEO_GET_SIZE)
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COMPATIBLE_IOCTL(VIDEO_GET_FRAME_RATE)
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