Philippe De Muyter | cf664a6 | 2006-01-09 15:24:59 -0200 | [diff] [blame] | 1 | /* |
| 2 | * ioctl32.c: Conversion between 32bit and 64bit native ioctls. |
| 3 | * Separated from fs stuff by Arnd Bergmann <arnd@arndb.de> |
| 4 | * |
| 5 | * Copyright (C) 1997-2000 Jakub Jelinek (jakub@redhat.com) |
| 6 | * Copyright (C) 1998 Eddie C. Dost (ecd@skynet.be) |
| 7 | * Copyright (C) 2001,2002 Andi Kleen, SuSE Labs |
Pavel Machek | a253129 | 2010-07-18 14:27:13 +0200 | [diff] [blame] | 8 | * Copyright (C) 2003 Pavel Machek (pavel@ucw.cz) |
Philippe De Muyter | cf664a6 | 2006-01-09 15:24:59 -0200 | [diff] [blame] | 9 | * Copyright (C) 2005 Philippe De Muyter (phdm@macqel.be) |
Hans Verkuil | 92f45ba | 2008-12-21 10:35:25 -0300 | [diff] [blame] | 10 | * Copyright (C) 2008 Hans Verkuil <hverkuil@xs4all.nl> |
Philippe De Muyter | cf664a6 | 2006-01-09 15:24:59 -0200 | [diff] [blame] | 11 | * |
| 12 | * These routines maintain argument size conversion between 32bit and 64bit |
| 13 | * ioctls. |
| 14 | */ |
| 15 | |
Arnd Bergmann | 0d0fbf8 | 2006-01-09 15:24:57 -0200 | [diff] [blame] | 16 | #include <linux/compat.h> |
Nickolay V. Shmyrev | 133b735 | 2006-01-09 15:24:58 -0200 | [diff] [blame] | 17 | #include <linux/module.h> |
Laurent Pinchart | b9d0aa6 | 2011-12-18 20:41:19 -0300 | [diff] [blame] | 18 | #include <linux/videodev2.h> |
Hans Verkuil | ed45ce2 | 2012-08-10 06:07:12 -0300 | [diff] [blame] | 19 | #include <linux/v4l2-subdev.h> |
Laurent Pinchart | b9d0aa6 | 2011-12-18 20:41:19 -0300 | [diff] [blame] | 20 | #include <media/v4l2-dev.h> |
Mauro Carvalho Chehab | 2864462 | 2008-07-20 20:26:54 -0300 | [diff] [blame] | 21 | #include <media/v4l2-ioctl.h> |
Arnd Bergmann | 0d0fbf8 | 2006-01-09 15:24:57 -0200 | [diff] [blame] | 22 | |
Hans Verkuil | 069b747 | 2008-12-30 07:04:34 -0300 | [diff] [blame] | 23 | static long native_ioctl(struct file *file, unsigned int cmd, unsigned long arg) |
Arnd Bergmann | 0d0fbf8 | 2006-01-09 15:24:57 -0200 | [diff] [blame] | 24 | { |
Hans Verkuil | 069b747 | 2008-12-30 07:04:34 -0300 | [diff] [blame] | 25 | long ret = -ENOIOCTLCMD; |
Arnd Bergmann | 0d0fbf8 | 2006-01-09 15:24:57 -0200 | [diff] [blame] | 26 | |
Philippe De Muyter | 13d133b | 2006-01-09 15:25:00 -0200 | [diff] [blame] | 27 | if (file->f_op->unlocked_ioctl) |
| 28 | ret = file->f_op->unlocked_ioctl(file, cmd, arg); |
Arnd Bergmann | 0d0fbf8 | 2006-01-09 15:24:57 -0200 | [diff] [blame] | 29 | |
| 30 | return ret; |
| 31 | } |
| 32 | |
| 33 | |
Hans Verkuil | d1f81da | 2008-10-22 00:04:45 -0300 | [diff] [blame] | 34 | struct v4l2_clip32 { |
Philippe De Muyter | cf664a6 | 2006-01-09 15:24:59 -0200 | [diff] [blame] | 35 | struct v4l2_rect c; |
| 36 | compat_caddr_t next; |
| 37 | }; |
| 38 | |
Hans Verkuil | d1f81da | 2008-10-22 00:04:45 -0300 | [diff] [blame] | 39 | struct v4l2_window32 { |
Philippe De Muyter | cf664a6 | 2006-01-09 15:24:59 -0200 | [diff] [blame] | 40 | struct v4l2_rect w; |
Sakari Ailus | 6016af8 | 2012-05-10 02:02:07 -0300 | [diff] [blame] | 41 | __u32 field; /* enum v4l2_field */ |
Philippe De Muyter | cf664a6 | 2006-01-09 15:24:59 -0200 | [diff] [blame] | 42 | __u32 chromakey; |
| 43 | compat_caddr_t clips; /* actually struct v4l2_clip32 * */ |
| 44 | __u32 clipcount; |
| 45 | compat_caddr_t bitmap; |
| 46 | }; |
| 47 | |
| 48 | static int get_v4l2_window32(struct v4l2_window *kp, struct v4l2_window32 __user *up) |
| 49 | { |
Guy Martin | a113bc7 | 2006-01-11 23:40:51 -0200 | [diff] [blame] | 50 | if (!access_ok(VERIFY_READ, up, sizeof(struct v4l2_window32)) || |
| 51 | copy_from_user(&kp->w, &up->w, sizeof(up->w)) || |
| 52 | get_user(kp->field, &up->field) || |
| 53 | get_user(kp->chromakey, &up->chromakey) || |
| 54 | get_user(kp->clipcount, &up->clipcount)) |
| 55 | return -EFAULT; |
Philippe De Muyter | cf664a6 | 2006-01-09 15:24:59 -0200 | [diff] [blame] | 56 | if (kp->clipcount > 2048) |
| 57 | return -EINVAL; |
| 58 | if (kp->clipcount) { |
Al Viro | 5b1a43d | 2006-02-01 05:24:20 -0500 | [diff] [blame] | 59 | struct v4l2_clip32 __user *uclips; |
| 60 | struct v4l2_clip __user *kclips; |
Philippe De Muyter | cf664a6 | 2006-01-09 15:24:59 -0200 | [diff] [blame] | 61 | int n = kp->clipcount; |
Al Viro | 5b1a43d | 2006-02-01 05:24:20 -0500 | [diff] [blame] | 62 | compat_caddr_t p; |
Philippe De Muyter | cf664a6 | 2006-01-09 15:24:59 -0200 | [diff] [blame] | 63 | |
Al Viro | 5b1a43d | 2006-02-01 05:24:20 -0500 | [diff] [blame] | 64 | if (get_user(p, &up->clips)) |
| 65 | return -EFAULT; |
| 66 | uclips = compat_ptr(p); |
Philippe De Muyter | cf664a6 | 2006-01-09 15:24:59 -0200 | [diff] [blame] | 67 | kclips = compat_alloc_user_space(n * sizeof(struct v4l2_clip)); |
| 68 | kp->clips = kclips; |
| 69 | while (--n >= 0) { |
Al Viro | 5b1a43d | 2006-02-01 05:24:20 -0500 | [diff] [blame] | 70 | if (copy_in_user(&kclips->c, &uclips->c, sizeof(uclips->c))) |
Guy Martin | a113bc7 | 2006-01-11 23:40:51 -0200 | [diff] [blame] | 71 | return -EFAULT; |
Al Viro | 5b1a43d | 2006-02-01 05:24:20 -0500 | [diff] [blame] | 72 | if (put_user(n ? kclips + 1 : NULL, &kclips->next)) |
| 73 | return -EFAULT; |
Philippe De Muyter | cf664a6 | 2006-01-09 15:24:59 -0200 | [diff] [blame] | 74 | uclips += 1; |
| 75 | kclips += 1; |
| 76 | } |
| 77 | } else |
Al Viro | 5b1a43d | 2006-02-01 05:24:20 -0500 | [diff] [blame] | 78 | kp->clips = NULL; |
Philippe De Muyter | cf664a6 | 2006-01-09 15:24:59 -0200 | [diff] [blame] | 79 | return 0; |
| 80 | } |
| 81 | |
| 82 | static int put_v4l2_window32(struct v4l2_window *kp, struct v4l2_window32 __user *up) |
| 83 | { |
Roel Kluin | f2e6c6a | 2009-12-16 11:35:45 -0300 | [diff] [blame] | 84 | if (copy_to_user(&up->w, &kp->w, sizeof(kp->w)) || |
Guy Martin | a113bc7 | 2006-01-11 23:40:51 -0200 | [diff] [blame] | 85 | put_user(kp->field, &up->field) || |
| 86 | put_user(kp->chromakey, &up->chromakey) || |
| 87 | put_user(kp->clipcount, &up->clipcount)) |
| 88 | return -EFAULT; |
Philippe De Muyter | cf664a6 | 2006-01-09 15:24:59 -0200 | [diff] [blame] | 89 | return 0; |
| 90 | } |
| 91 | |
| 92 | static inline int get_v4l2_pix_format(struct v4l2_pix_format *kp, struct v4l2_pix_format __user *up) |
| 93 | { |
Al Viro | 5b1a43d | 2006-02-01 05:24:20 -0500 | [diff] [blame] | 94 | if (copy_from_user(kp, up, sizeof(struct v4l2_pix_format))) |
| 95 | return -EFAULT; |
Guy Martin | a113bc7 | 2006-01-11 23:40:51 -0200 | [diff] [blame] | 96 | return 0; |
Philippe De Muyter | cf664a6 | 2006-01-09 15:24:59 -0200 | [diff] [blame] | 97 | } |
| 98 | |
Pawel Osciak | 52a3082 | 2010-07-29 14:56:47 -0300 | [diff] [blame] | 99 | static inline int get_v4l2_pix_format_mplane(struct v4l2_pix_format_mplane *kp, |
| 100 | struct v4l2_pix_format_mplane __user *up) |
| 101 | { |
| 102 | if (copy_from_user(kp, up, sizeof(struct v4l2_pix_format_mplane))) |
| 103 | return -EFAULT; |
| 104 | return 0; |
| 105 | } |
| 106 | |
Philippe De Muyter | cf664a6 | 2006-01-09 15:24:59 -0200 | [diff] [blame] | 107 | static inline int put_v4l2_pix_format(struct v4l2_pix_format *kp, struct v4l2_pix_format __user *up) |
| 108 | { |
Al Viro | 5b1a43d | 2006-02-01 05:24:20 -0500 | [diff] [blame] | 109 | if (copy_to_user(up, kp, sizeof(struct v4l2_pix_format))) |
| 110 | return -EFAULT; |
Guy Martin | a113bc7 | 2006-01-11 23:40:51 -0200 | [diff] [blame] | 111 | return 0; |
Philippe De Muyter | cf664a6 | 2006-01-09 15:24:59 -0200 | [diff] [blame] | 112 | } |
| 113 | |
Pawel Osciak | 52a3082 | 2010-07-29 14:56:47 -0300 | [diff] [blame] | 114 | static inline int put_v4l2_pix_format_mplane(struct v4l2_pix_format_mplane *kp, |
| 115 | struct v4l2_pix_format_mplane __user *up) |
| 116 | { |
| 117 | if (copy_to_user(up, kp, sizeof(struct v4l2_pix_format_mplane))) |
| 118 | return -EFAULT; |
| 119 | return 0; |
| 120 | } |
| 121 | |
Philippe De Muyter | cf664a6 | 2006-01-09 15:24:59 -0200 | [diff] [blame] | 122 | static inline int get_v4l2_vbi_format(struct v4l2_vbi_format *kp, struct v4l2_vbi_format __user *up) |
| 123 | { |
Al Viro | 5b1a43d | 2006-02-01 05:24:20 -0500 | [diff] [blame] | 124 | if (copy_from_user(kp, up, sizeof(struct v4l2_vbi_format))) |
| 125 | return -EFAULT; |
Guy Martin | a113bc7 | 2006-01-11 23:40:51 -0200 | [diff] [blame] | 126 | return 0; |
Philippe De Muyter | cf664a6 | 2006-01-09 15:24:59 -0200 | [diff] [blame] | 127 | } |
| 128 | |
| 129 | static inline int put_v4l2_vbi_format(struct v4l2_vbi_format *kp, struct v4l2_vbi_format __user *up) |
| 130 | { |
Al Viro | 5b1a43d | 2006-02-01 05:24:20 -0500 | [diff] [blame] | 131 | if (copy_to_user(up, kp, sizeof(struct v4l2_vbi_format))) |
| 132 | return -EFAULT; |
Guy Martin | a113bc7 | 2006-01-11 23:40:51 -0200 | [diff] [blame] | 133 | return 0; |
Philippe De Muyter | cf664a6 | 2006-01-09 15:24:59 -0200 | [diff] [blame] | 134 | } |
| 135 | |
Hans Verkuil | 92f45ba | 2008-12-21 10:35:25 -0300 | [diff] [blame] | 136 | static inline int get_v4l2_sliced_vbi_format(struct v4l2_sliced_vbi_format *kp, struct v4l2_sliced_vbi_format __user *up) |
| 137 | { |
| 138 | if (copy_from_user(kp, up, sizeof(struct v4l2_sliced_vbi_format))) |
| 139 | return -EFAULT; |
| 140 | return 0; |
| 141 | } |
| 142 | |
| 143 | static inline int put_v4l2_sliced_vbi_format(struct v4l2_sliced_vbi_format *kp, struct v4l2_sliced_vbi_format __user *up) |
| 144 | { |
| 145 | if (copy_to_user(up, kp, sizeof(struct v4l2_sliced_vbi_format))) |
| 146 | return -EFAULT; |
| 147 | return 0; |
| 148 | } |
| 149 | |
Hans Verkuil | d5beb67 | 2015-09-17 06:46:04 -0300 | [diff] [blame] | 150 | static inline int get_v4l2_sdr_format(struct v4l2_sdr_format *kp, struct v4l2_sdr_format __user *up) |
| 151 | { |
| 152 | if (copy_from_user(kp, up, sizeof(struct v4l2_sdr_format))) |
| 153 | return -EFAULT; |
| 154 | return 0; |
| 155 | } |
| 156 | |
| 157 | static inline int put_v4l2_sdr_format(struct v4l2_sdr_format *kp, struct v4l2_sdr_format __user *up) |
| 158 | { |
| 159 | if (copy_to_user(up, kp, sizeof(struct v4l2_sdr_format))) |
| 160 | return -EFAULT; |
| 161 | return 0; |
| 162 | } |
| 163 | |
Hans Verkuil | d1f81da | 2008-10-22 00:04:45 -0300 | [diff] [blame] | 164 | struct v4l2_format32 { |
Sakari Ailus | 6016af8 | 2012-05-10 02:02:07 -0300 | [diff] [blame] | 165 | __u32 type; /* enum v4l2_buf_type */ |
Hans Verkuil | d1f81da | 2008-10-22 00:04:45 -0300 | [diff] [blame] | 166 | union { |
Hans Verkuil | 92f45ba | 2008-12-21 10:35:25 -0300 | [diff] [blame] | 167 | struct v4l2_pix_format pix; |
Pawel Osciak | 52a3082 | 2010-07-29 14:56:47 -0300 | [diff] [blame] | 168 | struct v4l2_pix_format_mplane pix_mp; |
Hans Verkuil | 92f45ba | 2008-12-21 10:35:25 -0300 | [diff] [blame] | 169 | struct v4l2_window32 win; |
| 170 | struct v4l2_vbi_format vbi; |
| 171 | struct v4l2_sliced_vbi_format sliced; |
Hans Verkuil | d5beb67 | 2015-09-17 06:46:04 -0300 | [diff] [blame] | 172 | struct v4l2_sdr_format sdr; |
Hans Verkuil | d1f81da | 2008-10-22 00:04:45 -0300 | [diff] [blame] | 173 | __u8 raw_data[200]; /* user-defined */ |
Philippe De Muyter | cf664a6 | 2006-01-09 15:24:59 -0200 | [diff] [blame] | 174 | } fmt; |
| 175 | }; |
| 176 | |
Guennadi Liakhovetski | 09362ec | 2011-09-07 18:07:23 -0300 | [diff] [blame] | 177 | /** |
| 178 | * struct v4l2_create_buffers32 - VIDIOC_CREATE_BUFS32 argument |
| 179 | * @index: on return, index of the first created buffer |
| 180 | * @count: entry: number of requested buffers, |
| 181 | * return: number of created buffers |
| 182 | * @memory: buffer memory type |
| 183 | * @format: frame format, for which buffers are requested |
| 184 | * @reserved: future extensions |
| 185 | */ |
Guennadi Liakhovetski | 2150158 | 2011-09-28 11:34:06 -0300 | [diff] [blame] | 186 | struct v4l2_create_buffers32 { |
Guennadi Liakhovetski | 09362ec | 2011-09-07 18:07:23 -0300 | [diff] [blame] | 187 | __u32 index; |
Guennadi Liakhovetski | 2150158 | 2011-09-28 11:34:06 -0300 | [diff] [blame] | 188 | __u32 count; |
Sakari Ailus | 6016af8 | 2012-05-10 02:02:07 -0300 | [diff] [blame] | 189 | __u32 memory; /* enum v4l2_memory */ |
Guennadi Liakhovetski | 09362ec | 2011-09-07 18:07:23 -0300 | [diff] [blame] | 190 | struct v4l2_format32 format; |
Guennadi Liakhovetski | 2150158 | 2011-09-28 11:34:06 -0300 | [diff] [blame] | 191 | __u32 reserved[8]; |
| 192 | }; |
| 193 | |
| 194 | static int __get_v4l2_format32(struct v4l2_format *kp, struct v4l2_format32 __user *up) |
Philippe De Muyter | cf664a6 | 2006-01-09 15:24:59 -0200 | [diff] [blame] | 195 | { |
Guennadi Liakhovetski | ec77581 | 2014-04-26 12:51:31 -0300 | [diff] [blame] | 196 | if (get_user(kp->type, &up->type)) |
| 197 | return -EFAULT; |
| 198 | |
Philippe De Muyter | cf664a6 | 2006-01-09 15:24:59 -0200 | [diff] [blame] | 199 | switch (kp->type) { |
| 200 | case V4L2_BUF_TYPE_VIDEO_CAPTURE: |
Hans Verkuil | 92f45ba | 2008-12-21 10:35:25 -0300 | [diff] [blame] | 201 | case V4L2_BUF_TYPE_VIDEO_OUTPUT: |
Philippe De Muyter | cf664a6 | 2006-01-09 15:24:59 -0200 | [diff] [blame] | 202 | return get_v4l2_pix_format(&kp->fmt.pix, &up->fmt.pix); |
Pawel Osciak | 52a3082 | 2010-07-29 14:56:47 -0300 | [diff] [blame] | 203 | case V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE: |
| 204 | case V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE: |
| 205 | return get_v4l2_pix_format_mplane(&kp->fmt.pix_mp, |
| 206 | &up->fmt.pix_mp); |
Philippe De Muyter | cf664a6 | 2006-01-09 15:24:59 -0200 | [diff] [blame] | 207 | case V4L2_BUF_TYPE_VIDEO_OVERLAY: |
Hans Verkuil | 92f45ba | 2008-12-21 10:35:25 -0300 | [diff] [blame] | 208 | case V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY: |
Philippe De Muyter | cf664a6 | 2006-01-09 15:24:59 -0200 | [diff] [blame] | 209 | return get_v4l2_window32(&kp->fmt.win, &up->fmt.win); |
| 210 | case V4L2_BUF_TYPE_VBI_CAPTURE: |
Hans Verkuil | 92f45ba | 2008-12-21 10:35:25 -0300 | [diff] [blame] | 211 | case V4L2_BUF_TYPE_VBI_OUTPUT: |
Philippe De Muyter | cf664a6 | 2006-01-09 15:24:59 -0200 | [diff] [blame] | 212 | return get_v4l2_vbi_format(&kp->fmt.vbi, &up->fmt.vbi); |
Hans Verkuil | 92f45ba | 2008-12-21 10:35:25 -0300 | [diff] [blame] | 213 | case V4L2_BUF_TYPE_SLICED_VBI_CAPTURE: |
| 214 | case V4L2_BUF_TYPE_SLICED_VBI_OUTPUT: |
| 215 | return get_v4l2_sliced_vbi_format(&kp->fmt.sliced, &up->fmt.sliced); |
Hans Verkuil | d5beb67 | 2015-09-17 06:46:04 -0300 | [diff] [blame] | 216 | case V4L2_BUF_TYPE_SDR_CAPTURE: |
Antti Palosaari | 9effc72 | 2015-10-10 13:51:00 -0300 | [diff] [blame] | 217 | case V4L2_BUF_TYPE_SDR_OUTPUT: |
Hans Verkuil | d5beb67 | 2015-09-17 06:46:04 -0300 | [diff] [blame] | 218 | return get_v4l2_sdr_format(&kp->fmt.sdr, &up->fmt.sdr); |
Philippe De Muyter | cf664a6 | 2006-01-09 15:24:59 -0200 | [diff] [blame] | 219 | default: |
Hans Verkuil | d5beb67 | 2015-09-17 06:46:04 -0300 | [diff] [blame] | 220 | pr_info("compat_ioctl32: unexpected VIDIOC_FMT type %d\n", |
Philippe De Muyter | cf664a6 | 2006-01-09 15:24:59 -0200 | [diff] [blame] | 221 | kp->type); |
Hans Verkuil | 92f45ba | 2008-12-21 10:35:25 -0300 | [diff] [blame] | 222 | return -EINVAL; |
Philippe De Muyter | cf664a6 | 2006-01-09 15:24:59 -0200 | [diff] [blame] | 223 | } |
| 224 | } |
| 225 | |
Guennadi Liakhovetski | 2150158 | 2011-09-28 11:34:06 -0300 | [diff] [blame] | 226 | static int get_v4l2_format32(struct v4l2_format *kp, struct v4l2_format32 __user *up) |
Philippe De Muyter | cf664a6 | 2006-01-09 15:24:59 -0200 | [diff] [blame] | 227 | { |
Guennadi Liakhovetski | ec77581 | 2014-04-26 12:51:31 -0300 | [diff] [blame] | 228 | if (!access_ok(VERIFY_READ, up, sizeof(struct v4l2_format32))) |
| 229 | return -EFAULT; |
Guennadi Liakhovetski | 2150158 | 2011-09-28 11:34:06 -0300 | [diff] [blame] | 230 | return __get_v4l2_format32(kp, up); |
| 231 | } |
| 232 | |
| 233 | static int get_v4l2_create32(struct v4l2_create_buffers *kp, struct v4l2_create_buffers32 __user *up) |
| 234 | { |
| 235 | if (!access_ok(VERIFY_READ, up, sizeof(struct v4l2_create_buffers32)) || |
Guennadi Liakhovetski | ec77581 | 2014-04-26 12:51:31 -0300 | [diff] [blame] | 236 | copy_from_user(kp, up, offsetof(struct v4l2_create_buffers32, format))) |
| 237 | return -EFAULT; |
Guennadi Liakhovetski | 2150158 | 2011-09-28 11:34:06 -0300 | [diff] [blame] | 238 | return __get_v4l2_format32(&kp->format, &up->format); |
| 239 | } |
| 240 | |
| 241 | static int __put_v4l2_format32(struct v4l2_format *kp, struct v4l2_format32 __user *up) |
| 242 | { |
Guennadi Liakhovetski | 6ed9b28 | 2014-05-30 20:26:38 -0300 | [diff] [blame] | 243 | if (put_user(kp->type, &up->type)) |
| 244 | return -EFAULT; |
| 245 | |
Philippe De Muyter | cf664a6 | 2006-01-09 15:24:59 -0200 | [diff] [blame] | 246 | switch (kp->type) { |
| 247 | case V4L2_BUF_TYPE_VIDEO_CAPTURE: |
Hans Verkuil | 92f45ba | 2008-12-21 10:35:25 -0300 | [diff] [blame] | 248 | case V4L2_BUF_TYPE_VIDEO_OUTPUT: |
Philippe De Muyter | cf664a6 | 2006-01-09 15:24:59 -0200 | [diff] [blame] | 249 | return put_v4l2_pix_format(&kp->fmt.pix, &up->fmt.pix); |
Pawel Osciak | 52a3082 | 2010-07-29 14:56:47 -0300 | [diff] [blame] | 250 | case V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE: |
| 251 | case V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE: |
| 252 | return put_v4l2_pix_format_mplane(&kp->fmt.pix_mp, |
| 253 | &up->fmt.pix_mp); |
Philippe De Muyter | cf664a6 | 2006-01-09 15:24:59 -0200 | [diff] [blame] | 254 | case V4L2_BUF_TYPE_VIDEO_OVERLAY: |
Hans Verkuil | 92f45ba | 2008-12-21 10:35:25 -0300 | [diff] [blame] | 255 | case V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY: |
Philippe De Muyter | cf664a6 | 2006-01-09 15:24:59 -0200 | [diff] [blame] | 256 | return put_v4l2_window32(&kp->fmt.win, &up->fmt.win); |
| 257 | case V4L2_BUF_TYPE_VBI_CAPTURE: |
Hans Verkuil | 92f45ba | 2008-12-21 10:35:25 -0300 | [diff] [blame] | 258 | case V4L2_BUF_TYPE_VBI_OUTPUT: |
Philippe De Muyter | cf664a6 | 2006-01-09 15:24:59 -0200 | [diff] [blame] | 259 | return put_v4l2_vbi_format(&kp->fmt.vbi, &up->fmt.vbi); |
Hans Verkuil | 92f45ba | 2008-12-21 10:35:25 -0300 | [diff] [blame] | 260 | case V4L2_BUF_TYPE_SLICED_VBI_CAPTURE: |
| 261 | case V4L2_BUF_TYPE_SLICED_VBI_OUTPUT: |
| 262 | return put_v4l2_sliced_vbi_format(&kp->fmt.sliced, &up->fmt.sliced); |
Hans Verkuil | d5beb67 | 2015-09-17 06:46:04 -0300 | [diff] [blame] | 263 | case V4L2_BUF_TYPE_SDR_CAPTURE: |
Antti Palosaari | 9effc72 | 2015-10-10 13:51:00 -0300 | [diff] [blame] | 264 | case V4L2_BUF_TYPE_SDR_OUTPUT: |
Hans Verkuil | d5beb67 | 2015-09-17 06:46:04 -0300 | [diff] [blame] | 265 | return put_v4l2_sdr_format(&kp->fmt.sdr, &up->fmt.sdr); |
Philippe De Muyter | cf664a6 | 2006-01-09 15:24:59 -0200 | [diff] [blame] | 266 | default: |
Hans Verkuil | d5beb67 | 2015-09-17 06:46:04 -0300 | [diff] [blame] | 267 | pr_info("compat_ioctl32: unexpected VIDIOC_FMT type %d\n", |
Hans Verkuil | 92f45ba | 2008-12-21 10:35:25 -0300 | [diff] [blame] | 268 | kp->type); |
| 269 | return -EINVAL; |
Philippe De Muyter | cf664a6 | 2006-01-09 15:24:59 -0200 | [diff] [blame] | 270 | } |
| 271 | } |
| 272 | |
Guennadi Liakhovetski | 2150158 | 2011-09-28 11:34:06 -0300 | [diff] [blame] | 273 | static int put_v4l2_format32(struct v4l2_format *kp, struct v4l2_format32 __user *up) |
| 274 | { |
Guennadi Liakhovetski | 6ed9b28 | 2014-05-30 20:26:38 -0300 | [diff] [blame] | 275 | if (!access_ok(VERIFY_WRITE, up, sizeof(struct v4l2_format32))) |
Guennadi Liakhovetski | 2150158 | 2011-09-28 11:34:06 -0300 | [diff] [blame] | 276 | return -EFAULT; |
| 277 | return __put_v4l2_format32(kp, up); |
| 278 | } |
| 279 | |
| 280 | static int put_v4l2_create32(struct v4l2_create_buffers *kp, struct v4l2_create_buffers32 __user *up) |
| 281 | { |
| 282 | if (!access_ok(VERIFY_WRITE, up, sizeof(struct v4l2_create_buffers32)) || |
Guennadi Liakhovetski | 6ed9b28 | 2014-05-30 20:26:38 -0300 | [diff] [blame] | 283 | copy_to_user(up, kp, offsetof(struct v4l2_create_buffers32, format))) |
| 284 | return -EFAULT; |
Guennadi Liakhovetski | 2150158 | 2011-09-28 11:34:06 -0300 | [diff] [blame] | 285 | return __put_v4l2_format32(&kp->format, &up->format); |
| 286 | } |
| 287 | |
Hans Verkuil | d1f81da | 2008-10-22 00:04:45 -0300 | [diff] [blame] | 288 | struct v4l2_standard32 { |
Philippe De Muyter | cf664a6 | 2006-01-09 15:24:59 -0200 | [diff] [blame] | 289 | __u32 index; |
Andrzej Hajda | 655e978 | 2015-08-31 08:56:15 -0300 | [diff] [blame] | 290 | compat_u64 id; |
Philippe De Muyter | cf664a6 | 2006-01-09 15:24:59 -0200 | [diff] [blame] | 291 | __u8 name[24]; |
| 292 | struct v4l2_fract frameperiod; /* Frames, not fields */ |
| 293 | __u32 framelines; |
| 294 | __u32 reserved[4]; |
| 295 | }; |
| 296 | |
| 297 | static int get_v4l2_standard32(struct v4l2_standard *kp, struct v4l2_standard32 __user *up) |
| 298 | { |
| 299 | /* other fields are not set by the user, nor used by the driver */ |
Guy Martin | a113bc7 | 2006-01-11 23:40:51 -0200 | [diff] [blame] | 300 | if (!access_ok(VERIFY_READ, up, sizeof(struct v4l2_standard32)) || |
| 301 | get_user(kp->index, &up->index)) |
| 302 | return -EFAULT; |
| 303 | return 0; |
Philippe De Muyter | cf664a6 | 2006-01-09 15:24:59 -0200 | [diff] [blame] | 304 | } |
| 305 | |
| 306 | static int put_v4l2_standard32(struct v4l2_standard *kp, struct v4l2_standard32 __user *up) |
| 307 | { |
Hans Verkuil | d1f81da | 2008-10-22 00:04:45 -0300 | [diff] [blame] | 308 | if (!access_ok(VERIFY_WRITE, up, sizeof(struct v4l2_standard32)) || |
Guy Martin | a113bc7 | 2006-01-11 23:40:51 -0200 | [diff] [blame] | 309 | put_user(kp->index, &up->index) || |
Andrzej Hajda | 655e978 | 2015-08-31 08:56:15 -0300 | [diff] [blame] | 310 | put_user(kp->id, &up->id) || |
Guy Martin | a113bc7 | 2006-01-11 23:40:51 -0200 | [diff] [blame] | 311 | copy_to_user(up->name, kp->name, 24) || |
| 312 | copy_to_user(&up->frameperiod, &kp->frameperiod, sizeof(kp->frameperiod)) || |
| 313 | put_user(kp->framelines, &up->framelines) || |
| 314 | copy_to_user(up->reserved, kp->reserved, 4 * sizeof(__u32))) |
| 315 | return -EFAULT; |
| 316 | return 0; |
| 317 | } |
| 318 | |
Pawel Osciak | 52a3082 | 2010-07-29 14:56:47 -0300 | [diff] [blame] | 319 | struct v4l2_plane32 { |
| 320 | __u32 bytesused; |
| 321 | __u32 length; |
| 322 | union { |
| 323 | __u32 mem_offset; |
| 324 | compat_long_t userptr; |
Sumit Semwal | 051c778 | 2012-06-14 10:37:35 -0300 | [diff] [blame] | 325 | __s32 fd; |
Pawel Osciak | 52a3082 | 2010-07-29 14:56:47 -0300 | [diff] [blame] | 326 | } m; |
| 327 | __u32 data_offset; |
| 328 | __u32 reserved[11]; |
| 329 | }; |
| 330 | |
Hans Verkuil | d1f81da | 2008-10-22 00:04:45 -0300 | [diff] [blame] | 331 | struct v4l2_buffer32 { |
Philippe De Muyter | cf664a6 | 2006-01-09 15:24:59 -0200 | [diff] [blame] | 332 | __u32 index; |
Sakari Ailus | 6016af8 | 2012-05-10 02:02:07 -0300 | [diff] [blame] | 333 | __u32 type; /* enum v4l2_buf_type */ |
Philippe De Muyter | cf664a6 | 2006-01-09 15:24:59 -0200 | [diff] [blame] | 334 | __u32 bytesused; |
| 335 | __u32 flags; |
Sakari Ailus | 6016af8 | 2012-05-10 02:02:07 -0300 | [diff] [blame] | 336 | __u32 field; /* enum v4l2_field */ |
Philippe De Muyter | cf664a6 | 2006-01-09 15:24:59 -0200 | [diff] [blame] | 337 | struct compat_timeval timestamp; |
| 338 | struct v4l2_timecode timecode; |
| 339 | __u32 sequence; |
| 340 | |
| 341 | /* memory location */ |
Sakari Ailus | 6016af8 | 2012-05-10 02:02:07 -0300 | [diff] [blame] | 342 | __u32 memory; /* enum v4l2_memory */ |
Philippe De Muyter | cf664a6 | 2006-01-09 15:24:59 -0200 | [diff] [blame] | 343 | union { |
| 344 | __u32 offset; |
| 345 | compat_long_t userptr; |
Pawel Osciak | 52a3082 | 2010-07-29 14:56:47 -0300 | [diff] [blame] | 346 | compat_caddr_t planes; |
Sumit Semwal | 051c778 | 2012-06-14 10:37:35 -0300 | [diff] [blame] | 347 | __s32 fd; |
Philippe De Muyter | cf664a6 | 2006-01-09 15:24:59 -0200 | [diff] [blame] | 348 | } m; |
| 349 | __u32 length; |
Sakari Ailus | 2b719d7 | 2012-05-02 09:40:03 -0300 | [diff] [blame] | 350 | __u32 reserved2; |
Philippe De Muyter | cf664a6 | 2006-01-09 15:24:59 -0200 | [diff] [blame] | 351 | __u32 reserved; |
| 352 | }; |
| 353 | |
Hans Verkuil | 8ae632b | 2014-08-21 17:07:21 -0300 | [diff] [blame] | 354 | static int get_v4l2_plane32(struct v4l2_plane __user *up, struct v4l2_plane32 __user *up32, |
Pawel Osciak | 52a3082 | 2010-07-29 14:56:47 -0300 | [diff] [blame] | 355 | enum v4l2_memory memory) |
| 356 | { |
| 357 | void __user *up_pln; |
| 358 | compat_long_t p; |
| 359 | |
| 360 | if (copy_in_user(up, up32, 2 * sizeof(__u32)) || |
| 361 | copy_in_user(&up->data_offset, &up32->data_offset, |
| 362 | sizeof(__u32))) |
| 363 | return -EFAULT; |
| 364 | |
| 365 | if (memory == V4L2_MEMORY_USERPTR) { |
| 366 | if (get_user(p, &up32->m.userptr)) |
| 367 | return -EFAULT; |
| 368 | up_pln = compat_ptr(p); |
| 369 | if (put_user((unsigned long)up_pln, &up->m.userptr)) |
| 370 | return -EFAULT; |
Sumit Semwal | 051c778 | 2012-06-14 10:37:35 -0300 | [diff] [blame] | 371 | } else if (memory == V4L2_MEMORY_DMABUF) { |
| 372 | if (copy_in_user(&up->m.fd, &up32->m.fd, sizeof(int))) |
| 373 | return -EFAULT; |
Pawel Osciak | 52a3082 | 2010-07-29 14:56:47 -0300 | [diff] [blame] | 374 | } else { |
| 375 | if (copy_in_user(&up->m.mem_offset, &up32->m.mem_offset, |
| 376 | sizeof(__u32))) |
| 377 | return -EFAULT; |
| 378 | } |
| 379 | |
| 380 | return 0; |
| 381 | } |
| 382 | |
Hans Verkuil | 8ae632b | 2014-08-21 17:07:21 -0300 | [diff] [blame] | 383 | static int put_v4l2_plane32(struct v4l2_plane __user *up, struct v4l2_plane32 __user *up32, |
Pawel Osciak | 52a3082 | 2010-07-29 14:56:47 -0300 | [diff] [blame] | 384 | enum v4l2_memory memory) |
| 385 | { |
| 386 | if (copy_in_user(up32, up, 2 * sizeof(__u32)) || |
| 387 | copy_in_user(&up32->data_offset, &up->data_offset, |
| 388 | sizeof(__u32))) |
| 389 | return -EFAULT; |
| 390 | |
| 391 | /* For MMAP, driver might've set up the offset, so copy it back. |
| 392 | * USERPTR stays the same (was userspace-provided), so no copying. */ |
| 393 | if (memory == V4L2_MEMORY_MMAP) |
| 394 | if (copy_in_user(&up32->m.mem_offset, &up->m.mem_offset, |
| 395 | sizeof(__u32))) |
| 396 | return -EFAULT; |
Sumit Semwal | 051c778 | 2012-06-14 10:37:35 -0300 | [diff] [blame] | 397 | /* For DMABUF, driver might've set up the fd, so copy it back. */ |
| 398 | if (memory == V4L2_MEMORY_DMABUF) |
| 399 | if (copy_in_user(&up32->m.fd, &up->m.fd, |
| 400 | sizeof(int))) |
| 401 | return -EFAULT; |
Pawel Osciak | 52a3082 | 2010-07-29 14:56:47 -0300 | [diff] [blame] | 402 | |
| 403 | return 0; |
| 404 | } |
| 405 | |
Philippe De Muyter | cf664a6 | 2006-01-09 15:24:59 -0200 | [diff] [blame] | 406 | static int get_v4l2_buffer32(struct v4l2_buffer *kp, struct v4l2_buffer32 __user *up) |
| 407 | { |
Pawel Osciak | 52a3082 | 2010-07-29 14:56:47 -0300 | [diff] [blame] | 408 | struct v4l2_plane32 __user *uplane32; |
| 409 | struct v4l2_plane __user *uplane; |
| 410 | compat_caddr_t p; |
| 411 | int num_planes; |
| 412 | int ret; |
Philippe De Muyter | cf664a6 | 2006-01-09 15:24:59 -0200 | [diff] [blame] | 413 | |
Guy Martin | a113bc7 | 2006-01-11 23:40:51 -0200 | [diff] [blame] | 414 | if (!access_ok(VERIFY_READ, up, sizeof(struct v4l2_buffer32)) || |
| 415 | get_user(kp->index, &up->index) || |
| 416 | get_user(kp->type, &up->type) || |
| 417 | get_user(kp->flags, &up->flags) || |
Mauro Carvalho Chehab | cc831f8 | 2012-07-05 21:48:58 -0300 | [diff] [blame] | 418 | get_user(kp->memory, &up->memory)) |
Guy Martin | a113bc7 | 2006-01-11 23:40:51 -0200 | [diff] [blame] | 419 | return -EFAULT; |
Philippe De Muyter | cf664a6 | 2006-01-09 15:24:59 -0200 | [diff] [blame] | 420 | |
Pawel Osciak | 52a3082 | 2010-07-29 14:56:47 -0300 | [diff] [blame] | 421 | if (V4L2_TYPE_IS_OUTPUT(kp->type)) |
| 422 | if (get_user(kp->bytesused, &up->bytesused) || |
| 423 | get_user(kp->field, &up->field) || |
| 424 | get_user(kp->timestamp.tv_sec, &up->timestamp.tv_sec) || |
| 425 | get_user(kp->timestamp.tv_usec, |
| 426 | &up->timestamp.tv_usec)) |
Al Viro | 5b1a43d | 2006-02-01 05:24:20 -0500 | [diff] [blame] | 427 | return -EFAULT; |
| 428 | |
Pawel Osciak | 52a3082 | 2010-07-29 14:56:47 -0300 | [diff] [blame] | 429 | if (V4L2_TYPE_IS_MULTIPLANAR(kp->type)) { |
| 430 | if (get_user(kp->length, &up->length)) |
| 431 | return -EFAULT; |
| 432 | |
| 433 | num_planes = kp->length; |
| 434 | if (num_planes == 0) { |
| 435 | kp->m.planes = NULL; |
| 436 | /* num_planes == 0 is legal, e.g. when userspace doesn't |
| 437 | * need planes array on DQBUF*/ |
| 438 | return 0; |
Philippe De Muyter | cf664a6 | 2006-01-09 15:24:59 -0200 | [diff] [blame] | 439 | } |
Pawel Osciak | 52a3082 | 2010-07-29 14:56:47 -0300 | [diff] [blame] | 440 | |
| 441 | if (get_user(p, &up->m.planes)) |
Guy Martin | a113bc7 | 2006-01-11 23:40:51 -0200 | [diff] [blame] | 442 | return -EFAULT; |
Pawel Osciak | 52a3082 | 2010-07-29 14:56:47 -0300 | [diff] [blame] | 443 | |
| 444 | uplane32 = compat_ptr(p); |
| 445 | if (!access_ok(VERIFY_READ, uplane32, |
| 446 | num_planes * sizeof(struct v4l2_plane32))) |
| 447 | return -EFAULT; |
| 448 | |
| 449 | /* We don't really care if userspace decides to kill itself |
| 450 | * by passing a very big num_planes value */ |
| 451 | uplane = compat_alloc_user_space(num_planes * |
| 452 | sizeof(struct v4l2_plane)); |
Hans Verkuil | 8ae632b | 2014-08-21 17:07:21 -0300 | [diff] [blame] | 453 | kp->m.planes = (__force struct v4l2_plane *)uplane; |
Pawel Osciak | 52a3082 | 2010-07-29 14:56:47 -0300 | [diff] [blame] | 454 | |
| 455 | while (--num_planes >= 0) { |
| 456 | ret = get_v4l2_plane32(uplane, uplane32, kp->memory); |
| 457 | if (ret) |
| 458 | return ret; |
| 459 | ++uplane; |
| 460 | ++uplane32; |
| 461 | } |
| 462 | } else { |
| 463 | switch (kp->memory) { |
| 464 | case V4L2_MEMORY_MMAP: |
| 465 | if (get_user(kp->length, &up->length) || |
| 466 | get_user(kp->m.offset, &up->m.offset)) |
| 467 | return -EFAULT; |
| 468 | break; |
| 469 | case V4L2_MEMORY_USERPTR: |
| 470 | { |
| 471 | compat_long_t tmp; |
| 472 | |
| 473 | if (get_user(kp->length, &up->length) || |
| 474 | get_user(tmp, &up->m.userptr)) |
| 475 | return -EFAULT; |
| 476 | |
| 477 | kp->m.userptr = (unsigned long)compat_ptr(tmp); |
| 478 | } |
| 479 | break; |
| 480 | case V4L2_MEMORY_OVERLAY: |
| 481 | if (get_user(kp->m.offset, &up->m.offset)) |
| 482 | return -EFAULT; |
| 483 | break; |
Sumit Semwal | 051c778 | 2012-06-14 10:37:35 -0300 | [diff] [blame] | 484 | case V4L2_MEMORY_DMABUF: |
| 485 | if (get_user(kp->m.fd, &up->m.fd)) |
| 486 | return -EFAULT; |
| 487 | break; |
Pawel Osciak | 52a3082 | 2010-07-29 14:56:47 -0300 | [diff] [blame] | 488 | } |
Philippe De Muyter | cf664a6 | 2006-01-09 15:24:59 -0200 | [diff] [blame] | 489 | } |
Pawel Osciak | 52a3082 | 2010-07-29 14:56:47 -0300 | [diff] [blame] | 490 | |
Philippe De Muyter | cf664a6 | 2006-01-09 15:24:59 -0200 | [diff] [blame] | 491 | return 0; |
| 492 | } |
| 493 | |
| 494 | static int put_v4l2_buffer32(struct v4l2_buffer *kp, struct v4l2_buffer32 __user *up) |
| 495 | { |
Pawel Osciak | 52a3082 | 2010-07-29 14:56:47 -0300 | [diff] [blame] | 496 | struct v4l2_plane32 __user *uplane32; |
| 497 | struct v4l2_plane __user *uplane; |
| 498 | compat_caddr_t p; |
| 499 | int num_planes; |
| 500 | int ret; |
| 501 | |
Guy Martin | a113bc7 | 2006-01-11 23:40:51 -0200 | [diff] [blame] | 502 | if (!access_ok(VERIFY_WRITE, up, sizeof(struct v4l2_buffer32)) || |
| 503 | put_user(kp->index, &up->index) || |
| 504 | put_user(kp->type, &up->type) || |
| 505 | put_user(kp->flags, &up->flags) || |
Mauro Carvalho Chehab | cc831f8 | 2012-07-05 21:48:58 -0300 | [diff] [blame] | 506 | put_user(kp->memory, &up->memory)) |
Guy Martin | a113bc7 | 2006-01-11 23:40:51 -0200 | [diff] [blame] | 507 | return -EFAULT; |
Pawel Osciak | 52a3082 | 2010-07-29 14:56:47 -0300 | [diff] [blame] | 508 | |
Guy Martin | a113bc7 | 2006-01-11 23:40:51 -0200 | [diff] [blame] | 509 | if (put_user(kp->bytesused, &up->bytesused) || |
| 510 | put_user(kp->field, &up->field) || |
| 511 | put_user(kp->timestamp.tv_sec, &up->timestamp.tv_sec) || |
| 512 | put_user(kp->timestamp.tv_usec, &up->timestamp.tv_usec) || |
| 513 | copy_to_user(&up->timecode, &kp->timecode, sizeof(struct v4l2_timecode)) || |
| 514 | put_user(kp->sequence, &up->sequence) || |
Sakari Ailus | 2b719d7 | 2012-05-02 09:40:03 -0300 | [diff] [blame] | 515 | put_user(kp->reserved2, &up->reserved2) || |
Mauro Carvalho Chehab | cc831f8 | 2012-07-05 21:48:58 -0300 | [diff] [blame] | 516 | put_user(kp->reserved, &up->reserved)) |
Guy Martin | a113bc7 | 2006-01-11 23:40:51 -0200 | [diff] [blame] | 517 | return -EFAULT; |
Pawel Osciak | 52a3082 | 2010-07-29 14:56:47 -0300 | [diff] [blame] | 518 | |
| 519 | if (V4L2_TYPE_IS_MULTIPLANAR(kp->type)) { |
| 520 | num_planes = kp->length; |
| 521 | if (num_planes == 0) |
| 522 | return 0; |
| 523 | |
Hans Verkuil | 8ae632b | 2014-08-21 17:07:21 -0300 | [diff] [blame] | 524 | uplane = (__force struct v4l2_plane __user *)kp->m.planes; |
Pawel Osciak | 52a3082 | 2010-07-29 14:56:47 -0300 | [diff] [blame] | 525 | if (get_user(p, &up->m.planes)) |
| 526 | return -EFAULT; |
| 527 | uplane32 = compat_ptr(p); |
| 528 | |
| 529 | while (--num_planes >= 0) { |
| 530 | ret = put_v4l2_plane32(uplane, uplane32, kp->memory); |
| 531 | if (ret) |
| 532 | return ret; |
| 533 | ++uplane; |
| 534 | ++uplane32; |
| 535 | } |
| 536 | } else { |
| 537 | switch (kp->memory) { |
| 538 | case V4L2_MEMORY_MMAP: |
| 539 | if (put_user(kp->length, &up->length) || |
| 540 | put_user(kp->m.offset, &up->m.offset)) |
| 541 | return -EFAULT; |
| 542 | break; |
| 543 | case V4L2_MEMORY_USERPTR: |
| 544 | if (put_user(kp->length, &up->length) || |
| 545 | put_user(kp->m.userptr, &up->m.userptr)) |
| 546 | return -EFAULT; |
| 547 | break; |
| 548 | case V4L2_MEMORY_OVERLAY: |
| 549 | if (put_user(kp->m.offset, &up->m.offset)) |
| 550 | return -EFAULT; |
| 551 | break; |
Sumit Semwal | 051c778 | 2012-06-14 10:37:35 -0300 | [diff] [blame] | 552 | case V4L2_MEMORY_DMABUF: |
| 553 | if (put_user(kp->m.fd, &up->m.fd)) |
| 554 | return -EFAULT; |
| 555 | break; |
Pawel Osciak | 52a3082 | 2010-07-29 14:56:47 -0300 | [diff] [blame] | 556 | } |
| 557 | } |
| 558 | |
Philippe De Muyter | cf664a6 | 2006-01-09 15:24:59 -0200 | [diff] [blame] | 559 | return 0; |
| 560 | } |
| 561 | |
Hans Verkuil | d1f81da | 2008-10-22 00:04:45 -0300 | [diff] [blame] | 562 | struct v4l2_framebuffer32 { |
Philippe De Muyter | cf664a6 | 2006-01-09 15:24:59 -0200 | [diff] [blame] | 563 | __u32 capability; |
| 564 | __u32 flags; |
| 565 | compat_caddr_t base; |
Laurent Pinchart | d52e238 | 2014-05-27 09:41:05 -0300 | [diff] [blame] | 566 | struct { |
| 567 | __u32 width; |
| 568 | __u32 height; |
| 569 | __u32 pixelformat; |
| 570 | __u32 field; |
| 571 | __u32 bytesperline; |
| 572 | __u32 sizeimage; |
| 573 | __u32 colorspace; |
| 574 | __u32 priv; |
| 575 | } fmt; |
Philippe De Muyter | cf664a6 | 2006-01-09 15:24:59 -0200 | [diff] [blame] | 576 | }; |
| 577 | |
Philippe De Muyter | 13d133b | 2006-01-09 15:25:00 -0200 | [diff] [blame] | 578 | static int get_v4l2_framebuffer32(struct v4l2_framebuffer *kp, struct v4l2_framebuffer32 __user *up) |
| 579 | { |
| 580 | u32 tmp; |
| 581 | |
Guy Martin | a113bc7 | 2006-01-11 23:40:51 -0200 | [diff] [blame] | 582 | if (!access_ok(VERIFY_READ, up, sizeof(struct v4l2_framebuffer32)) || |
| 583 | get_user(tmp, &up->base) || |
| 584 | get_user(kp->capability, &up->capability) || |
Laurent Pinchart | d52e238 | 2014-05-27 09:41:05 -0300 | [diff] [blame] | 585 | get_user(kp->flags, &up->flags) || |
| 586 | copy_from_user(&kp->fmt, &up->fmt, sizeof(up->fmt))) |
Guy Martin | a113bc7 | 2006-01-11 23:40:51 -0200 | [diff] [blame] | 587 | return -EFAULT; |
Hans Verkuil | 8ae632b | 2014-08-21 17:07:21 -0300 | [diff] [blame] | 588 | kp->base = (__force void *)compat_ptr(tmp); |
Philippe De Muyter | 13d133b | 2006-01-09 15:25:00 -0200 | [diff] [blame] | 589 | return 0; |
| 590 | } |
| 591 | |
Philippe De Muyter | cf664a6 | 2006-01-09 15:24:59 -0200 | [diff] [blame] | 592 | static int put_v4l2_framebuffer32(struct v4l2_framebuffer *kp, struct v4l2_framebuffer32 __user *up) |
| 593 | { |
| 594 | u32 tmp = (u32)((unsigned long)kp->base); |
| 595 | |
Hans Verkuil | d1f81da | 2008-10-22 00:04:45 -0300 | [diff] [blame] | 596 | if (!access_ok(VERIFY_WRITE, up, sizeof(struct v4l2_framebuffer32)) || |
Guy Martin | a113bc7 | 2006-01-11 23:40:51 -0200 | [diff] [blame] | 597 | put_user(tmp, &up->base) || |
| 598 | put_user(kp->capability, &up->capability) || |
Laurent Pinchart | d52e238 | 2014-05-27 09:41:05 -0300 | [diff] [blame] | 599 | put_user(kp->flags, &up->flags) || |
| 600 | copy_to_user(&up->fmt, &kp->fmt, sizeof(up->fmt))) |
Guy Martin | a113bc7 | 2006-01-11 23:40:51 -0200 | [diff] [blame] | 601 | return -EFAULT; |
Philippe De Muyter | cf664a6 | 2006-01-09 15:24:59 -0200 | [diff] [blame] | 602 | return 0; |
| 603 | } |
| 604 | |
Hans Verkuil | 92f45ba | 2008-12-21 10:35:25 -0300 | [diff] [blame] | 605 | struct v4l2_input32 { |
| 606 | __u32 index; /* Which input */ |
| 607 | __u8 name[32]; /* Label */ |
| 608 | __u32 type; /* Type of input */ |
| 609 | __u32 audioset; /* Associated audios (bitfield) */ |
| 610 | __u32 tuner; /* Associated tuner */ |
Andrzej Hajda | 655e978 | 2015-08-31 08:56:15 -0300 | [diff] [blame] | 611 | compat_u64 std; |
Hans Verkuil | 92f45ba | 2008-12-21 10:35:25 -0300 | [diff] [blame] | 612 | __u32 status; |
| 613 | __u32 reserved[4]; |
Andrzej Hajda | 655e978 | 2015-08-31 08:56:15 -0300 | [diff] [blame] | 614 | }; |
Hans Verkuil | 92f45ba | 2008-12-21 10:35:25 -0300 | [diff] [blame] | 615 | |
| 616 | /* The 64-bit v4l2_input struct has extra padding at the end of the struct. |
| 617 | Otherwise it is identical to the 32-bit version. */ |
| 618 | static inline int get_v4l2_input32(struct v4l2_input *kp, struct v4l2_input32 __user *up) |
Philippe De Muyter | cf664a6 | 2006-01-09 15:24:59 -0200 | [diff] [blame] | 619 | { |
Hans Verkuil | 92f45ba | 2008-12-21 10:35:25 -0300 | [diff] [blame] | 620 | if (copy_from_user(kp, up, sizeof(struct v4l2_input32))) |
Al Viro | 5b1a43d | 2006-02-01 05:24:20 -0500 | [diff] [blame] | 621 | return -EFAULT; |
Guy Martin | a113bc7 | 2006-01-11 23:40:51 -0200 | [diff] [blame] | 622 | return 0; |
| 623 | } |
| 624 | |
Hans Verkuil | 92f45ba | 2008-12-21 10:35:25 -0300 | [diff] [blame] | 625 | static inline int put_v4l2_input32(struct v4l2_input *kp, struct v4l2_input32 __user *up) |
Guy Martin | a113bc7 | 2006-01-11 23:40:51 -0200 | [diff] [blame] | 626 | { |
Hans Verkuil | 92f45ba | 2008-12-21 10:35:25 -0300 | [diff] [blame] | 627 | if (copy_to_user(up, kp, sizeof(struct v4l2_input32))) |
Al Viro | 5b1a43d | 2006-02-01 05:24:20 -0500 | [diff] [blame] | 628 | return -EFAULT; |
Guy Martin | a113bc7 | 2006-01-11 23:40:51 -0200 | [diff] [blame] | 629 | return 0; |
| 630 | } |
| 631 | |
Hans Verkuil | 92f45ba | 2008-12-21 10:35:25 -0300 | [diff] [blame] | 632 | struct v4l2_ext_controls32 { |
Ricardo Ribalda | 0f8017b | 2015-10-29 08:10:28 -0200 | [diff] [blame] | 633 | __u32 which; |
Ricardo Ribalda | 28c5029 | 2015-08-21 10:19:22 -0300 | [diff] [blame] | 634 | __u32 count; |
| 635 | __u32 error_idx; |
| 636 | __u32 reserved[2]; |
| 637 | compat_caddr_t controls; /* actually struct v4l2_ext_control32 * */ |
Mauro Carvalho Chehab | eb4eecc | 2006-07-21 18:53:23 -0300 | [diff] [blame] | 638 | }; |
| 639 | |
Hans Verkuil | 6b5a949 | 2009-08-11 18:47:18 -0300 | [diff] [blame] | 640 | struct v4l2_ext_control32 { |
| 641 | __u32 id; |
| 642 | __u32 size; |
| 643 | __u32 reserved2[1]; |
| 644 | union { |
| 645 | __s32 value; |
| 646 | __s64 value64; |
| 647 | compat_caddr_t string; /* actually char * */ |
| 648 | }; |
| 649 | } __attribute__ ((packed)); |
| 650 | |
| 651 | /* The following function really belong in v4l2-common, but that causes |
| 652 | a circular dependency between modules. We need to think about this, but |
| 653 | for now this will do. */ |
| 654 | |
| 655 | /* Return non-zero if this control is a pointer type. Currently only |
Eduardo Valentin | fdf82dc | 2009-08-11 18:49:12 -0300 | [diff] [blame] | 656 | type STRING is a pointer type. */ |
Hans Verkuil | 6b5a949 | 2009-08-11 18:47:18 -0300 | [diff] [blame] | 657 | static inline int ctrl_is_pointer(u32 id) |
| 658 | { |
Eduardo Valentin | fdf82dc | 2009-08-11 18:49:12 -0300 | [diff] [blame] | 659 | switch (id) { |
| 660 | case V4L2_CID_RDS_TX_PS_NAME: |
| 661 | case V4L2_CID_RDS_TX_RADIO_TEXT: |
| 662 | return 1; |
| 663 | default: |
| 664 | return 0; |
| 665 | } |
Hans Verkuil | 6b5a949 | 2009-08-11 18:47:18 -0300 | [diff] [blame] | 666 | } |
| 667 | |
Hans Verkuil | 92f45ba | 2008-12-21 10:35:25 -0300 | [diff] [blame] | 668 | static int get_v4l2_ext_controls32(struct v4l2_ext_controls *kp, struct v4l2_ext_controls32 __user *up) |
Mauro Carvalho Chehab | eb4eecc | 2006-07-21 18:53:23 -0300 | [diff] [blame] | 669 | { |
Hans Verkuil | 6b5a949 | 2009-08-11 18:47:18 -0300 | [diff] [blame] | 670 | struct v4l2_ext_control32 __user *ucontrols; |
Hans Verkuil | 92f45ba | 2008-12-21 10:35:25 -0300 | [diff] [blame] | 671 | struct v4l2_ext_control __user *kcontrols; |
| 672 | int n; |
| 673 | compat_caddr_t p; |
| 674 | |
| 675 | if (!access_ok(VERIFY_READ, up, sizeof(struct v4l2_ext_controls32)) || |
Ricardo Ribalda | 0f8017b | 2015-10-29 08:10:28 -0200 | [diff] [blame] | 676 | get_user(kp->which, &up->which) || |
Hans Verkuil | 92f45ba | 2008-12-21 10:35:25 -0300 | [diff] [blame] | 677 | get_user(kp->count, &up->count) || |
| 678 | get_user(kp->error_idx, &up->error_idx) || |
Ricardo Ribalda | 28c5029 | 2015-08-21 10:19:22 -0300 | [diff] [blame] | 679 | copy_from_user(kp->reserved, up->reserved, |
| 680 | sizeof(kp->reserved))) |
Mauro Carvalho Chehab | eb4eecc | 2006-07-21 18:53:23 -0300 | [diff] [blame] | 681 | return -EFAULT; |
Hans Verkuil | 92f45ba | 2008-12-21 10:35:25 -0300 | [diff] [blame] | 682 | n = kp->count; |
| 683 | if (n == 0) { |
| 684 | kp->controls = NULL; |
| 685 | return 0; |
| 686 | } |
| 687 | if (get_user(p, &up->controls)) |
| 688 | return -EFAULT; |
| 689 | ucontrols = compat_ptr(p); |
Pawel Osciak | 52a3082 | 2010-07-29 14:56:47 -0300 | [diff] [blame] | 690 | if (!access_ok(VERIFY_READ, ucontrols, |
| 691 | n * sizeof(struct v4l2_ext_control32))) |
Hans Verkuil | 92f45ba | 2008-12-21 10:35:25 -0300 | [diff] [blame] | 692 | return -EFAULT; |
| 693 | kcontrols = compat_alloc_user_space(n * sizeof(struct v4l2_ext_control)); |
Hans Verkuil | 8ae632b | 2014-08-21 17:07:21 -0300 | [diff] [blame] | 694 | kp->controls = (__force struct v4l2_ext_control *)kcontrols; |
Hans Verkuil | 92f45ba | 2008-12-21 10:35:25 -0300 | [diff] [blame] | 695 | while (--n >= 0) { |
Hans Verkuil | 8ae632b | 2014-08-21 17:07:21 -0300 | [diff] [blame] | 696 | u32 id; |
| 697 | |
Pawel Osciak | 52a3082 | 2010-07-29 14:56:47 -0300 | [diff] [blame] | 698 | if (copy_in_user(kcontrols, ucontrols, sizeof(*ucontrols))) |
Hans Verkuil | 92f45ba | 2008-12-21 10:35:25 -0300 | [diff] [blame] | 699 | return -EFAULT; |
Hans Verkuil | 8ae632b | 2014-08-21 17:07:21 -0300 | [diff] [blame] | 700 | if (get_user(id, &kcontrols->id)) |
| 701 | return -EFAULT; |
| 702 | if (ctrl_is_pointer(id)) { |
Hans Verkuil | 6b5a949 | 2009-08-11 18:47:18 -0300 | [diff] [blame] | 703 | void __user *s; |
| 704 | |
| 705 | if (get_user(p, &ucontrols->string)) |
| 706 | return -EFAULT; |
| 707 | s = compat_ptr(p); |
| 708 | if (put_user(s, &kcontrols->string)) |
| 709 | return -EFAULT; |
| 710 | } |
Hans Verkuil | 92f45ba | 2008-12-21 10:35:25 -0300 | [diff] [blame] | 711 | ucontrols++; |
| 712 | kcontrols++; |
| 713 | } |
Mauro Carvalho Chehab | eb4eecc | 2006-07-21 18:53:23 -0300 | [diff] [blame] | 714 | return 0; |
| 715 | } |
| 716 | |
Hans Verkuil | 92f45ba | 2008-12-21 10:35:25 -0300 | [diff] [blame] | 717 | static int put_v4l2_ext_controls32(struct v4l2_ext_controls *kp, struct v4l2_ext_controls32 __user *up) |
Arnd Bergmann | 0d0fbf8 | 2006-01-09 15:24:57 -0200 | [diff] [blame] | 718 | { |
Hans Verkuil | 6b5a949 | 2009-08-11 18:47:18 -0300 | [diff] [blame] | 719 | struct v4l2_ext_control32 __user *ucontrols; |
Hans Verkuil | 8ae632b | 2014-08-21 17:07:21 -0300 | [diff] [blame] | 720 | struct v4l2_ext_control __user *kcontrols = |
| 721 | (__force struct v4l2_ext_control __user *)kp->controls; |
Hans Verkuil | 92f45ba | 2008-12-21 10:35:25 -0300 | [diff] [blame] | 722 | int n = kp->count; |
| 723 | compat_caddr_t p; |
Arnd Bergmann | 0d0fbf8 | 2006-01-09 15:24:57 -0200 | [diff] [blame] | 724 | |
Hans Verkuil | 92f45ba | 2008-12-21 10:35:25 -0300 | [diff] [blame] | 725 | if (!access_ok(VERIFY_WRITE, up, sizeof(struct v4l2_ext_controls32)) || |
Ricardo Ribalda | 0f8017b | 2015-10-29 08:10:28 -0200 | [diff] [blame] | 726 | put_user(kp->which, &up->which) || |
Hans Verkuil | 92f45ba | 2008-12-21 10:35:25 -0300 | [diff] [blame] | 727 | put_user(kp->count, &up->count) || |
| 728 | put_user(kp->error_idx, &up->error_idx) || |
| 729 | copy_to_user(up->reserved, kp->reserved, sizeof(up->reserved))) |
| 730 | return -EFAULT; |
| 731 | if (!kp->count) |
| 732 | return 0; |
| 733 | |
| 734 | if (get_user(p, &up->controls)) |
| 735 | return -EFAULT; |
| 736 | ucontrols = compat_ptr(p); |
Pawel Osciak | 52a3082 | 2010-07-29 14:56:47 -0300 | [diff] [blame] | 737 | if (!access_ok(VERIFY_WRITE, ucontrols, |
| 738 | n * sizeof(struct v4l2_ext_control32))) |
Guy Martin | a113bc7 | 2006-01-11 23:40:51 -0200 | [diff] [blame] | 739 | return -EFAULT; |
| 740 | |
Hans Verkuil | 92f45ba | 2008-12-21 10:35:25 -0300 | [diff] [blame] | 741 | while (--n >= 0) { |
Hans Verkuil | 6b5a949 | 2009-08-11 18:47:18 -0300 | [diff] [blame] | 742 | unsigned size = sizeof(*ucontrols); |
Hans Verkuil | 8ae632b | 2014-08-21 17:07:21 -0300 | [diff] [blame] | 743 | u32 id; |
Hans Verkuil | 6b5a949 | 2009-08-11 18:47:18 -0300 | [diff] [blame] | 744 | |
Hans Verkuil | 8ae632b | 2014-08-21 17:07:21 -0300 | [diff] [blame] | 745 | if (get_user(id, &kcontrols->id)) |
| 746 | return -EFAULT; |
Hans Verkuil | 6b5a949 | 2009-08-11 18:47:18 -0300 | [diff] [blame] | 747 | /* Do not modify the pointer when copying a pointer control. |
| 748 | The contents of the pointer was changed, not the pointer |
| 749 | itself. */ |
Hans Verkuil | 8ae632b | 2014-08-21 17:07:21 -0300 | [diff] [blame] | 750 | if (ctrl_is_pointer(id)) |
Hans Verkuil | 6b5a949 | 2009-08-11 18:47:18 -0300 | [diff] [blame] | 751 | size -= sizeof(ucontrols->value64); |
| 752 | if (copy_in_user(ucontrols, kcontrols, size)) |
Hans Verkuil | 92f45ba | 2008-12-21 10:35:25 -0300 | [diff] [blame] | 753 | return -EFAULT; |
| 754 | ucontrols++; |
| 755 | kcontrols++; |
Arnd Bergmann | 0d0fbf8 | 2006-01-09 15:24:57 -0200 | [diff] [blame] | 756 | } |
Hans Verkuil | 92f45ba | 2008-12-21 10:35:25 -0300 | [diff] [blame] | 757 | return 0; |
Arnd Bergmann | 0d0fbf8 | 2006-01-09 15:24:57 -0200 | [diff] [blame] | 758 | } |
Hans Verkuil | 92f45ba | 2008-12-21 10:35:25 -0300 | [diff] [blame] | 759 | |
Hans Verkuil | 2330fb8 | 2011-06-07 11:43:57 -0300 | [diff] [blame] | 760 | struct v4l2_event32 { |
| 761 | __u32 type; |
| 762 | union { |
Andrzej Hajda | 655e978 | 2015-08-31 08:56:15 -0300 | [diff] [blame] | 763 | compat_s64 value64; |
Hans Verkuil | 2330fb8 | 2011-06-07 11:43:57 -0300 | [diff] [blame] | 764 | __u8 data[64]; |
| 765 | } u; |
| 766 | __u32 pending; |
| 767 | __u32 sequence; |
| 768 | struct compat_timespec timestamp; |
| 769 | __u32 id; |
| 770 | __u32 reserved[8]; |
| 771 | }; |
| 772 | |
| 773 | static int put_v4l2_event32(struct v4l2_event *kp, struct v4l2_event32 __user *up) |
| 774 | { |
| 775 | if (!access_ok(VERIFY_WRITE, up, sizeof(struct v4l2_event32)) || |
| 776 | put_user(kp->type, &up->type) || |
| 777 | copy_to_user(&up->u, &kp->u, sizeof(kp->u)) || |
| 778 | put_user(kp->pending, &up->pending) || |
| 779 | put_user(kp->sequence, &up->sequence) || |
H. Peter Anvin | 81993e8 | 2014-02-01 18:54:11 -0800 | [diff] [blame] | 780 | compat_put_timespec(&kp->timestamp, &up->timestamp) || |
Hans Verkuil | 2330fb8 | 2011-06-07 11:43:57 -0300 | [diff] [blame] | 781 | put_user(kp->id, &up->id) || |
| 782 | copy_to_user(up->reserved, kp->reserved, 8 * sizeof(__u32))) |
| 783 | return -EFAULT; |
| 784 | return 0; |
| 785 | } |
| 786 | |
Hans Verkuil | dd519bb | 2014-03-07 07:18:37 -0300 | [diff] [blame] | 787 | struct v4l2_edid32 { |
Hans Verkuil | ed45ce2 | 2012-08-10 06:07:12 -0300 | [diff] [blame] | 788 | __u32 pad; |
| 789 | __u32 start_block; |
| 790 | __u32 blocks; |
| 791 | __u32 reserved[5]; |
| 792 | compat_caddr_t edid; |
| 793 | }; |
| 794 | |
Hans Verkuil | dd519bb | 2014-03-07 07:18:37 -0300 | [diff] [blame] | 795 | static int get_v4l2_edid32(struct v4l2_edid *kp, struct v4l2_edid32 __user *up) |
Hans Verkuil | ed45ce2 | 2012-08-10 06:07:12 -0300 | [diff] [blame] | 796 | { |
| 797 | u32 tmp; |
| 798 | |
Hans Verkuil | dd519bb | 2014-03-07 07:18:37 -0300 | [diff] [blame] | 799 | if (!access_ok(VERIFY_READ, up, sizeof(struct v4l2_edid32)) || |
Hans Verkuil | ed45ce2 | 2012-08-10 06:07:12 -0300 | [diff] [blame] | 800 | get_user(kp->pad, &up->pad) || |
| 801 | get_user(kp->start_block, &up->start_block) || |
| 802 | get_user(kp->blocks, &up->blocks) || |
| 803 | get_user(tmp, &up->edid) || |
| 804 | copy_from_user(kp->reserved, up->reserved, sizeof(kp->reserved))) |
| 805 | return -EFAULT; |
Hans Verkuil | 8ae632b | 2014-08-21 17:07:21 -0300 | [diff] [blame] | 806 | kp->edid = (__force u8 *)compat_ptr(tmp); |
Hans Verkuil | ed45ce2 | 2012-08-10 06:07:12 -0300 | [diff] [blame] | 807 | return 0; |
| 808 | } |
| 809 | |
Hans Verkuil | dd519bb | 2014-03-07 07:18:37 -0300 | [diff] [blame] | 810 | static int put_v4l2_edid32(struct v4l2_edid *kp, struct v4l2_edid32 __user *up) |
Hans Verkuil | ed45ce2 | 2012-08-10 06:07:12 -0300 | [diff] [blame] | 811 | { |
| 812 | u32 tmp = (u32)((unsigned long)kp->edid); |
| 813 | |
Hans Verkuil | dd519bb | 2014-03-07 07:18:37 -0300 | [diff] [blame] | 814 | if (!access_ok(VERIFY_WRITE, up, sizeof(struct v4l2_edid32)) || |
Hans Verkuil | ed45ce2 | 2012-08-10 06:07:12 -0300 | [diff] [blame] | 815 | put_user(kp->pad, &up->pad) || |
| 816 | put_user(kp->start_block, &up->start_block) || |
| 817 | put_user(kp->blocks, &up->blocks) || |
| 818 | put_user(tmp, &up->edid) || |
Hans Verkuil | 8ae632b | 2014-08-21 17:07:21 -0300 | [diff] [blame] | 819 | copy_to_user(up->reserved, kp->reserved, sizeof(up->reserved))) |
Hans Verkuil | ed45ce2 | 2012-08-10 06:07:12 -0300 | [diff] [blame] | 820 | return -EFAULT; |
| 821 | return 0; |
| 822 | } |
| 823 | |
| 824 | |
Hans Verkuil | 92f45ba | 2008-12-21 10:35:25 -0300 | [diff] [blame] | 825 | #define VIDIOC_G_FMT32 _IOWR('V', 4, struct v4l2_format32) |
| 826 | #define VIDIOC_S_FMT32 _IOWR('V', 5, struct v4l2_format32) |
| 827 | #define VIDIOC_QUERYBUF32 _IOWR('V', 9, struct v4l2_buffer32) |
| 828 | #define VIDIOC_G_FBUF32 _IOR ('V', 10, struct v4l2_framebuffer32) |
| 829 | #define VIDIOC_S_FBUF32 _IOW ('V', 11, struct v4l2_framebuffer32) |
| 830 | #define VIDIOC_QBUF32 _IOWR('V', 15, struct v4l2_buffer32) |
| 831 | #define VIDIOC_DQBUF32 _IOWR('V', 17, struct v4l2_buffer32) |
| 832 | #define VIDIOC_ENUMSTD32 _IOWR('V', 25, struct v4l2_standard32) |
| 833 | #define VIDIOC_ENUMINPUT32 _IOWR('V', 26, struct v4l2_input32) |
Hans Verkuil | dd519bb | 2014-03-07 07:18:37 -0300 | [diff] [blame] | 834 | #define VIDIOC_G_EDID32 _IOWR('V', 40, struct v4l2_edid32) |
| 835 | #define VIDIOC_S_EDID32 _IOWR('V', 41, struct v4l2_edid32) |
Hans Verkuil | 92f45ba | 2008-12-21 10:35:25 -0300 | [diff] [blame] | 836 | #define VIDIOC_TRY_FMT32 _IOWR('V', 64, struct v4l2_format32) |
| 837 | #define VIDIOC_G_EXT_CTRLS32 _IOWR('V', 71, struct v4l2_ext_controls32) |
| 838 | #define VIDIOC_S_EXT_CTRLS32 _IOWR('V', 72, struct v4l2_ext_controls32) |
| 839 | #define VIDIOC_TRY_EXT_CTRLS32 _IOWR('V', 73, struct v4l2_ext_controls32) |
Hans Verkuil | 2330fb8 | 2011-06-07 11:43:57 -0300 | [diff] [blame] | 840 | #define VIDIOC_DQEVENT32 _IOR ('V', 89, struct v4l2_event32) |
Guennadi Liakhovetski | 2150158 | 2011-09-28 11:34:06 -0300 | [diff] [blame] | 841 | #define VIDIOC_CREATE_BUFS32 _IOWR('V', 92, struct v4l2_create_buffers32) |
| 842 | #define VIDIOC_PREPARE_BUF32 _IOWR('V', 93, struct v4l2_buffer32) |
Hans Verkuil | 92f45ba | 2008-12-21 10:35:25 -0300 | [diff] [blame] | 843 | |
| 844 | #define VIDIOC_OVERLAY32 _IOW ('V', 14, s32) |
Hans Verkuil | 92f45ba | 2008-12-21 10:35:25 -0300 | [diff] [blame] | 845 | #define VIDIOC_STREAMON32 _IOW ('V', 18, s32) |
| 846 | #define VIDIOC_STREAMOFF32 _IOW ('V', 19, s32) |
| 847 | #define VIDIOC_G_INPUT32 _IOR ('V', 38, s32) |
| 848 | #define VIDIOC_S_INPUT32 _IOWR('V', 39, s32) |
| 849 | #define VIDIOC_G_OUTPUT32 _IOR ('V', 46, s32) |
| 850 | #define VIDIOC_S_OUTPUT32 _IOWR('V', 47, s32) |
Arnd Bergmann | 0d0fbf8 | 2006-01-09 15:24:57 -0200 | [diff] [blame] | 851 | |
Hans Verkuil | 069b747 | 2008-12-30 07:04:34 -0300 | [diff] [blame] | 852 | static long do_video_ioctl(struct file *file, unsigned int cmd, unsigned long arg) |
Arnd Bergmann | 0d0fbf8 | 2006-01-09 15:24:57 -0200 | [diff] [blame] | 853 | { |
| 854 | union { |
Philippe De Muyter | cf664a6 | 2006-01-09 15:24:59 -0200 | [diff] [blame] | 855 | struct v4l2_format v2f; |
| 856 | struct v4l2_buffer v2b; |
| 857 | struct v4l2_framebuffer v2fb; |
Guy Martin | a113bc7 | 2006-01-11 23:40:51 -0200 | [diff] [blame] | 858 | struct v4l2_input v2i; |
Hans Verkuil | 92f45ba | 2008-12-21 10:35:25 -0300 | [diff] [blame] | 859 | struct v4l2_standard v2s; |
| 860 | struct v4l2_ext_controls v2ecs; |
Hans Verkuil | 2330fb8 | 2011-06-07 11:43:57 -0300 | [diff] [blame] | 861 | struct v4l2_event v2ev; |
Guennadi Liakhovetski | 2150158 | 2011-09-28 11:34:06 -0300 | [diff] [blame] | 862 | struct v4l2_create_buffers v2crt; |
Hans Verkuil | dd519bb | 2014-03-07 07:18:37 -0300 | [diff] [blame] | 863 | struct v4l2_edid v2edid; |
Arnd Bergmann | 0d0fbf8 | 2006-01-09 15:24:57 -0200 | [diff] [blame] | 864 | unsigned long vx; |
Hans Verkuil | 92f45ba | 2008-12-21 10:35:25 -0300 | [diff] [blame] | 865 | int vi; |
Arnd Bergmann | 0d0fbf8 | 2006-01-09 15:24:57 -0200 | [diff] [blame] | 866 | } karg; |
Arnd Bergmann | 0d0fbf8 | 2006-01-09 15:24:57 -0200 | [diff] [blame] | 867 | void __user *up = compat_ptr(arg); |
Philippe De Muyter | cf664a6 | 2006-01-09 15:24:59 -0200 | [diff] [blame] | 868 | int compatible_arg = 1; |
Hans Verkuil | 069b747 | 2008-12-30 07:04:34 -0300 | [diff] [blame] | 869 | long err = 0; |
Arnd Bergmann | 0d0fbf8 | 2006-01-09 15:24:57 -0200 | [diff] [blame] | 870 | |
| 871 | /* First, convert the command. */ |
Hans Verkuil | d1f81da | 2008-10-22 00:04:45 -0300 | [diff] [blame] | 872 | switch (cmd) { |
Hans Verkuil | 92f45ba | 2008-12-21 10:35:25 -0300 | [diff] [blame] | 873 | case VIDIOC_G_FMT32: cmd = VIDIOC_G_FMT; break; |
| 874 | case VIDIOC_S_FMT32: cmd = VIDIOC_S_FMT; break; |
| 875 | case VIDIOC_QUERYBUF32: cmd = VIDIOC_QUERYBUF; break; |
| 876 | case VIDIOC_G_FBUF32: cmd = VIDIOC_G_FBUF; break; |
| 877 | case VIDIOC_S_FBUF32: cmd = VIDIOC_S_FBUF; break; |
| 878 | case VIDIOC_QBUF32: cmd = VIDIOC_QBUF; break; |
| 879 | case VIDIOC_DQBUF32: cmd = VIDIOC_DQBUF; break; |
| 880 | case VIDIOC_ENUMSTD32: cmd = VIDIOC_ENUMSTD; break; |
| 881 | case VIDIOC_ENUMINPUT32: cmd = VIDIOC_ENUMINPUT; break; |
| 882 | case VIDIOC_TRY_FMT32: cmd = VIDIOC_TRY_FMT; break; |
| 883 | case VIDIOC_G_EXT_CTRLS32: cmd = VIDIOC_G_EXT_CTRLS; break; |
| 884 | case VIDIOC_S_EXT_CTRLS32: cmd = VIDIOC_S_EXT_CTRLS; break; |
| 885 | case VIDIOC_TRY_EXT_CTRLS32: cmd = VIDIOC_TRY_EXT_CTRLS; break; |
Hans Verkuil | 2330fb8 | 2011-06-07 11:43:57 -0300 | [diff] [blame] | 886 | case VIDIOC_DQEVENT32: cmd = VIDIOC_DQEVENT; break; |
Hans Verkuil | 92f45ba | 2008-12-21 10:35:25 -0300 | [diff] [blame] | 887 | case VIDIOC_OVERLAY32: cmd = VIDIOC_OVERLAY; break; |
Hans Verkuil | 92f45ba | 2008-12-21 10:35:25 -0300 | [diff] [blame] | 888 | case VIDIOC_STREAMON32: cmd = VIDIOC_STREAMON; break; |
| 889 | case VIDIOC_STREAMOFF32: cmd = VIDIOC_STREAMOFF; break; |
| 890 | case VIDIOC_G_INPUT32: cmd = VIDIOC_G_INPUT; break; |
| 891 | case VIDIOC_S_INPUT32: cmd = VIDIOC_S_INPUT; break; |
| 892 | case VIDIOC_G_OUTPUT32: cmd = VIDIOC_G_OUTPUT; break; |
| 893 | case VIDIOC_S_OUTPUT32: cmd = VIDIOC_S_OUTPUT; break; |
Guennadi Liakhovetski | 2150158 | 2011-09-28 11:34:06 -0300 | [diff] [blame] | 894 | case VIDIOC_CREATE_BUFS32: cmd = VIDIOC_CREATE_BUFS; break; |
| 895 | case VIDIOC_PREPARE_BUF32: cmd = VIDIOC_PREPARE_BUF; break; |
Hans Verkuil | dd519bb | 2014-03-07 07:18:37 -0300 | [diff] [blame] | 896 | case VIDIOC_G_EDID32: cmd = VIDIOC_G_EDID; break; |
| 897 | case VIDIOC_S_EDID32: cmd = VIDIOC_S_EDID; break; |
Hans Verkuil | 92f45ba | 2008-12-21 10:35:25 -0300 | [diff] [blame] | 898 | } |
Arnd Bergmann | 0d0fbf8 | 2006-01-09 15:24:57 -0200 | [diff] [blame] | 899 | |
Hans Verkuil | d1f81da | 2008-10-22 00:04:45 -0300 | [diff] [blame] | 900 | switch (cmd) { |
Philippe De Muyter | cf664a6 | 2006-01-09 15:24:59 -0200 | [diff] [blame] | 901 | case VIDIOC_OVERLAY: |
Philippe De Muyter | 13d133b | 2006-01-09 15:25:00 -0200 | [diff] [blame] | 902 | case VIDIOC_STREAMON: |
| 903 | case VIDIOC_STREAMOFF: |
Hans Verkuil | 92f45ba | 2008-12-21 10:35:25 -0300 | [diff] [blame] | 904 | case VIDIOC_S_INPUT: |
| 905 | case VIDIOC_S_OUTPUT: |
| 906 | err = get_user(karg.vi, (s32 __user *)up); |
| 907 | compatible_arg = 0; |
Arnd Bergmann | 0d0fbf8 | 2006-01-09 15:24:57 -0200 | [diff] [blame] | 908 | break; |
Philippe De Muyter | 13d133b | 2006-01-09 15:25:00 -0200 | [diff] [blame] | 909 | |
Hans Verkuil | 92f45ba | 2008-12-21 10:35:25 -0300 | [diff] [blame] | 910 | case VIDIOC_G_INPUT: |
| 911 | case VIDIOC_G_OUTPUT: |
Philippe De Muyter | 13d133b | 2006-01-09 15:25:00 -0200 | [diff] [blame] | 912 | compatible_arg = 0; |
| 913 | break; |
Philippe De Muyter | cf664a6 | 2006-01-09 15:24:59 -0200 | [diff] [blame] | 914 | |
Hans Verkuil | dd519bb | 2014-03-07 07:18:37 -0300 | [diff] [blame] | 915 | case VIDIOC_G_EDID: |
| 916 | case VIDIOC_S_EDID: |
| 917 | err = get_v4l2_edid32(&karg.v2edid, up); |
Hans Verkuil | ed45ce2 | 2012-08-10 06:07:12 -0300 | [diff] [blame] | 918 | compatible_arg = 0; |
| 919 | break; |
| 920 | |
Philippe De Muyter | cf664a6 | 2006-01-09 15:24:59 -0200 | [diff] [blame] | 921 | case VIDIOC_G_FMT: |
| 922 | case VIDIOC_S_FMT: |
| 923 | case VIDIOC_TRY_FMT: |
| 924 | err = get_v4l2_format32(&karg.v2f, up); |
| 925 | compatible_arg = 0; |
| 926 | break; |
| 927 | |
Guennadi Liakhovetski | 2150158 | 2011-09-28 11:34:06 -0300 | [diff] [blame] | 928 | case VIDIOC_CREATE_BUFS: |
| 929 | err = get_v4l2_create32(&karg.v2crt, up); |
| 930 | compatible_arg = 0; |
| 931 | break; |
| 932 | |
| 933 | case VIDIOC_PREPARE_BUF: |
Philippe De Muyter | cf664a6 | 2006-01-09 15:24:59 -0200 | [diff] [blame] | 934 | case VIDIOC_QUERYBUF: |
| 935 | case VIDIOC_QBUF: |
| 936 | case VIDIOC_DQBUF: |
| 937 | err = get_v4l2_buffer32(&karg.v2b, up); |
| 938 | compatible_arg = 0; |
| 939 | break; |
| 940 | |
Hans Verkuil | 92f45ba | 2008-12-21 10:35:25 -0300 | [diff] [blame] | 941 | case VIDIOC_S_FBUF: |
| 942 | err = get_v4l2_framebuffer32(&karg.v2fb, up); |
Guy Martin | a113bc7 | 2006-01-11 23:40:51 -0200 | [diff] [blame] | 943 | compatible_arg = 0; |
| 944 | break; |
| 945 | |
Hans Verkuil | 92f45ba | 2008-12-21 10:35:25 -0300 | [diff] [blame] | 946 | case VIDIOC_G_FBUF: |
| 947 | compatible_arg = 0; |
| 948 | break; |
| 949 | |
| 950 | case VIDIOC_ENUMSTD: |
Philippe De Muyter | cf664a6 | 2006-01-09 15:24:59 -0200 | [diff] [blame] | 951 | err = get_v4l2_standard32(&karg.v2s, up); |
| 952 | compatible_arg = 0; |
| 953 | break; |
| 954 | |
Guy Martin | a113bc7 | 2006-01-11 23:40:51 -0200 | [diff] [blame] | 955 | case VIDIOC_ENUMINPUT: |
Guy Martin | a113bc7 | 2006-01-11 23:40:51 -0200 | [diff] [blame] | 956 | err = get_v4l2_input32(&karg.v2i, up); |
| 957 | compatible_arg = 0; |
| 958 | break; |
| 959 | |
Hans Verkuil | 92f45ba | 2008-12-21 10:35:25 -0300 | [diff] [blame] | 960 | case VIDIOC_G_EXT_CTRLS: |
| 961 | case VIDIOC_S_EXT_CTRLS: |
| 962 | case VIDIOC_TRY_EXT_CTRLS: |
| 963 | err = get_v4l2_ext_controls32(&karg.v2ecs, up); |
Guy Martin | a113bc7 | 2006-01-11 23:40:51 -0200 | [diff] [blame] | 964 | compatible_arg = 0; |
| 965 | break; |
Hans Verkuil | 2330fb8 | 2011-06-07 11:43:57 -0300 | [diff] [blame] | 966 | case VIDIOC_DQEVENT: |
| 967 | compatible_arg = 0; |
| 968 | break; |
Hans Verkuil | 92f45ba | 2008-12-21 10:35:25 -0300 | [diff] [blame] | 969 | } |
Hans Verkuil | d1f81da | 2008-10-22 00:04:45 -0300 | [diff] [blame] | 970 | if (err) |
Hans Verkuil | 92f45ba | 2008-12-21 10:35:25 -0300 | [diff] [blame] | 971 | return err; |
Arnd Bergmann | 0d0fbf8 | 2006-01-09 15:24:57 -0200 | [diff] [blame] | 972 | |
Hans Verkuil | d1f81da | 2008-10-22 00:04:45 -0300 | [diff] [blame] | 973 | if (compatible_arg) |
Hans Verkuil | 92f45ba | 2008-12-21 10:35:25 -0300 | [diff] [blame] | 974 | err = native_ioctl(file, cmd, (unsigned long)up); |
Philippe De Muyter | cf664a6 | 2006-01-09 15:24:59 -0200 | [diff] [blame] | 975 | else { |
| 976 | mm_segment_t old_fs = get_fs(); |
Arnd Bergmann | 0d0fbf8 | 2006-01-09 15:24:57 -0200 | [diff] [blame] | 977 | |
Philippe De Muyter | cf664a6 | 2006-01-09 15:24:59 -0200 | [diff] [blame] | 978 | set_fs(KERNEL_DS); |
Hans Verkuil | 92f45ba | 2008-12-21 10:35:25 -0300 | [diff] [blame] | 979 | err = native_ioctl(file, cmd, (unsigned long)&karg); |
Philippe De Muyter | cf664a6 | 2006-01-09 15:24:59 -0200 | [diff] [blame] | 980 | set_fs(old_fs); |
| 981 | } |
Arnd Bergmann | 0d0fbf8 | 2006-01-09 15:24:57 -0200 | [diff] [blame] | 982 | |
Hans Verkuil | 92f45ba | 2008-12-21 10:35:25 -0300 | [diff] [blame] | 983 | /* Special case: even after an error we need to put the |
| 984 | results back for these ioctls since the error_idx will |
| 985 | contain information on which control failed. */ |
| 986 | switch (cmd) { |
| 987 | case VIDIOC_G_EXT_CTRLS: |
| 988 | case VIDIOC_S_EXT_CTRLS: |
| 989 | case VIDIOC_TRY_EXT_CTRLS: |
| 990 | if (put_v4l2_ext_controls32(&karg.v2ecs, up)) |
| 991 | err = -EFAULT; |
| 992 | break; |
Arnd Bergmann | 0d0fbf8 | 2006-01-09 15:24:57 -0200 | [diff] [blame] | 993 | } |
Hans Verkuil | 92f45ba | 2008-12-21 10:35:25 -0300 | [diff] [blame] | 994 | if (err) |
| 995 | return err; |
| 996 | |
| 997 | switch (cmd) { |
Hans Verkuil | 92f45ba | 2008-12-21 10:35:25 -0300 | [diff] [blame] | 998 | case VIDIOC_S_INPUT: |
| 999 | case VIDIOC_S_OUTPUT: |
| 1000 | case VIDIOC_G_INPUT: |
| 1001 | case VIDIOC_G_OUTPUT: |
| 1002 | err = put_user(((s32)karg.vi), (s32 __user *)up); |
| 1003 | break; |
| 1004 | |
| 1005 | case VIDIOC_G_FBUF: |
| 1006 | err = put_v4l2_framebuffer32(&karg.v2fb, up); |
| 1007 | break; |
| 1008 | |
Hans Verkuil | 2330fb8 | 2011-06-07 11:43:57 -0300 | [diff] [blame] | 1009 | case VIDIOC_DQEVENT: |
| 1010 | err = put_v4l2_event32(&karg.v2ev, up); |
| 1011 | break; |
| 1012 | |
Hans Verkuil | dd519bb | 2014-03-07 07:18:37 -0300 | [diff] [blame] | 1013 | case VIDIOC_G_EDID: |
| 1014 | case VIDIOC_S_EDID: |
| 1015 | err = put_v4l2_edid32(&karg.v2edid, up); |
Hans Verkuil | ed45ce2 | 2012-08-10 06:07:12 -0300 | [diff] [blame] | 1016 | break; |
| 1017 | |
Hans Verkuil | 92f45ba | 2008-12-21 10:35:25 -0300 | [diff] [blame] | 1018 | case VIDIOC_G_FMT: |
| 1019 | case VIDIOC_S_FMT: |
| 1020 | case VIDIOC_TRY_FMT: |
| 1021 | err = put_v4l2_format32(&karg.v2f, up); |
| 1022 | break; |
| 1023 | |
Guennadi Liakhovetski | 2150158 | 2011-09-28 11:34:06 -0300 | [diff] [blame] | 1024 | case VIDIOC_CREATE_BUFS: |
| 1025 | err = put_v4l2_create32(&karg.v2crt, up); |
| 1026 | break; |
| 1027 | |
Hans Verkuil | 92f45ba | 2008-12-21 10:35:25 -0300 | [diff] [blame] | 1028 | case VIDIOC_QUERYBUF: |
| 1029 | case VIDIOC_QBUF: |
| 1030 | case VIDIOC_DQBUF: |
| 1031 | err = put_v4l2_buffer32(&karg.v2b, up); |
| 1032 | break; |
| 1033 | |
| 1034 | case VIDIOC_ENUMSTD: |
| 1035 | err = put_v4l2_standard32(&karg.v2s, up); |
| 1036 | break; |
| 1037 | |
| 1038 | case VIDIOC_ENUMINPUT: |
| 1039 | err = put_v4l2_input32(&karg.v2i, up); |
| 1040 | break; |
| 1041 | } |
Arnd Bergmann | 0d0fbf8 | 2006-01-09 15:24:57 -0200 | [diff] [blame] | 1042 | return err; |
| 1043 | } |
| 1044 | |
Hans Verkuil | 9bb7cde | 2008-12-30 06:42:40 -0300 | [diff] [blame] | 1045 | long v4l2_compat_ioctl32(struct file *file, unsigned int cmd, unsigned long arg) |
Arnd Bergmann | 0d0fbf8 | 2006-01-09 15:24:57 -0200 | [diff] [blame] | 1046 | { |
Laurent Pinchart | b9d0aa6 | 2011-12-18 20:41:19 -0300 | [diff] [blame] | 1047 | struct video_device *vdev = video_devdata(file); |
Hans Verkuil | 069b747 | 2008-12-30 07:04:34 -0300 | [diff] [blame] | 1048 | long ret = -ENOIOCTLCMD; |
Arnd Bergmann | 0d0fbf8 | 2006-01-09 15:24:57 -0200 | [diff] [blame] | 1049 | |
Frederic Weisbecker | c6d7ba8 | 2010-08-13 22:29:03 +0200 | [diff] [blame] | 1050 | if (!file->f_op->unlocked_ioctl) |
Arnd Bergmann | 0d0fbf8 | 2006-01-09 15:24:57 -0200 | [diff] [blame] | 1051 | return ret; |
| 1052 | |
Hans Verkuil | ab58a30 | 2014-02-10 08:08:44 -0300 | [diff] [blame] | 1053 | if (_IOC_TYPE(cmd) == 'V' && _IOC_NR(cmd) < BASE_VIDIOC_PRIVATE) |
Arnd Bergmann | 0d0fbf8 | 2006-01-09 15:24:57 -0200 | [diff] [blame] | 1054 | ret = do_video_ioctl(file, cmd, arg); |
Hans Verkuil | ab58a30 | 2014-02-10 08:08:44 -0300 | [diff] [blame] | 1055 | else if (vdev->fops->compat_ioctl32) |
| 1056 | ret = vdev->fops->compat_ioctl32(file, cmd, arg); |
Arnd Bergmann | 0d0fbf8 | 2006-01-09 15:24:57 -0200 | [diff] [blame] | 1057 | |
Hans Verkuil | ab58a30 | 2014-02-10 08:08:44 -0300 | [diff] [blame] | 1058 | if (ret == -ENOIOCTLCMD) |
Hans Verkuil | 9ec32cc | 2015-09-09 03:40:39 -0300 | [diff] [blame] | 1059 | pr_debug("compat_ioctl32: unknown ioctl '%c', dir=%d, #%d (0x%08x)\n", |
| 1060 | _IOC_TYPE(cmd), _IOC_DIR(cmd), _IOC_NR(cmd), cmd); |
Hans Verkuil | e8efb71 | 2006-01-09 15:24:59 -0200 | [diff] [blame] | 1061 | return ret; |
Arnd Bergmann | 0d0fbf8 | 2006-01-09 15:24:57 -0200 | [diff] [blame] | 1062 | } |
Hans Verkuil | 9bb7cde | 2008-12-30 06:42:40 -0300 | [diff] [blame] | 1063 | EXPORT_SYMBOL_GPL(v4l2_compat_ioctl32); |