diff options
Diffstat (limited to 'src/misc/ioctl.c')
| -rw-r--r-- | src/misc/ioctl.c | 27 |
1 files changed, 20 insertions, 7 deletions
diff --git a/src/misc/ioctl.c b/src/misc/ioctl.c index 89477511..35804f02 100644 --- a/src/misc/ioctl.c +++ b/src/misc/ioctl.c @@ -4,7 +4,9 @@ #include <time.h> #include <sys/time.h> #include <stddef.h> +#include <stdint.h> #include <string.h> +#include <endian.h> #include "syscall.h" #define alignof(t) offsetof(struct { char c; t x; }, x) @@ -28,6 +30,12 @@ struct ioctl_compat_map { * number producing macros; only size of result is meaningful. */ #define new_misaligned(n) struct { int i; time_t t; char c[(n)-4]; } +struct v4l2_event { + uint32_t a; + uint64_t b[8]; + uint32_t c[2], ts[2], d[9]; +}; + static const struct ioctl_compat_map compat_map[] = { { SIOCGSTAMP, SIOCGSTAMP_OLD, 8, R, 0, OFFS(0, 4) }, { SIOCGSTAMPNS, SIOCGSTAMPNS_OLD, 8, R, 0, OFFS(0, 4) }, @@ -46,16 +54,17 @@ static const struct ioctl_compat_map compat_map[] = { { _IOWR('A', 0x23, char[136]), _IOWR('A', 0x23, char[132]), 0, WR, 1, 0 }, { 0, 0, 4, WR, 1, 0 }, /* snd_pcm_sync_ptr (flags only) */ { 0, 0, 32, WR, 1, OFFS(8,12,16,24,28) }, /* snd_pcm_mmap_status */ - { 0, 0, 8, WR, 1, OFFS(0,4) }, /* snd_pcm_mmap_control */ + { 0, 0, 4, WR, 1, 0 }, /* snd_pcm_mmap_control (each member) */ /* VIDIOC_QUERYBUF, VIDIOC_QBUF, VIDIOC_DQBUF, VIDIOC_PREPARE_BUF */ - { _IOWR('V', 9, new_misaligned(72)), _IOWR('V', 9, char[72]), 72, WR, 0, OFFS(20) }, - { _IOWR('V', 15, new_misaligned(72)), _IOWR('V', 15, char[72]), 72, WR, 0, OFFS(20) }, - { _IOWR('V', 17, new_misaligned(72)), _IOWR('V', 17, char[72]), 72, WR, 0, OFFS(20) }, - { _IOWR('V', 93, new_misaligned(72)), _IOWR('V', 93, char[72]), 72, WR, 0, OFFS(20) }, + { _IOWR('V', 9, new_misaligned(68)), _IOWR('V', 9, char[68]), 68, WR, 1, OFFS(20, 24) }, + { _IOWR('V', 15, new_misaligned(68)), _IOWR('V', 15, char[68]), 68, WR, 1, OFFS(20, 24) }, + { _IOWR('V', 17, new_misaligned(68)), _IOWR('V', 17, char[68]), 68, WR, 1, OFFS(20, 24) }, + { _IOWR('V', 93, new_misaligned(68)), _IOWR('V', 93, char[68]), 68, WR, 1, OFFS(20, 24) }, /* VIDIOC_DQEVENT */ - { _IOR('V', 89, new_misaligned(96)), _IOR('V', 89, char[96]), 96, R, 0, OFFS(76,80) }, + { _IOR('V', 89, new_misaligned(120)), _IOR('V', 89, struct v4l2_event), sizeof(struct v4l2_event), + R, 0, OFFS(offsetof(struct v4l2_event, ts[0]), offsetof(struct v4l2_event, ts[1])) }, /* VIDIOC_OMAP3ISP_STAT_REQ */ { _IOWR('V', 192+6, char[32]), _IOWR('V', 192+6, char[24]), 22, WR, 0, OFFS(0,4) }, @@ -82,7 +91,11 @@ static void convert_ioctl_struct(const struct ioctl_compat_map *map, char *old, * if another exception appears this needs changing. */ convert_ioctl_struct(map+1, old, new, dir); convert_ioctl_struct(map+2, old+4, new+8, dir); - convert_ioctl_struct(map+3, old+68, new+72, dir); + /* snd_pcm_mmap_control, special-cased due to kernel + * type definition having been botched. */ + int adj = BYTE_ORDER==BIG_ENDIAN ? 4 : 0; + convert_ioctl_struct(map+3, old+68, new+72+adj, dir); + convert_ioctl_struct(map+3, old+72, new+76+3*adj, dir); return; } for (int i=0; i < map->noffs; i++) { |