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| author | Jerome Brunet <jbrunet@baylibre.com> | 2024-07-29 16:32:02 +0200 |
|---|---|---|
| committer | Jerome Brunet <jbrunet@baylibre.com> | 2024-07-29 16:32:02 +0200 |
| commit | 66e72a01b60ae6950ddbb3585fdc1424d303e14b (patch) | |
| tree | 05789274ef25cb5d08b99d1797e7760047469685 /include/uapi/linux/iio | |
| parent | 3d0e8b6edd6b08f72e07e1230f371f6ca93531e4 (diff) | |
| parent | 8400291e289ee6b2bf9779ff1c83a291501f017b (diff) | |
Merge tag 'v6.11-rc1' into clk-meson-next
Linux 6.11-rc1
Diffstat (limited to 'include/uapi/linux/iio')
| -rw-r--r-- | include/uapi/linux/iio/buffer.h | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/include/uapi/linux/iio/buffer.h b/include/uapi/linux/iio/buffer.h index 13939032b3f6..c666aa95e532 100644 --- a/include/uapi/linux/iio/buffer.h +++ b/include/uapi/linux/iio/buffer.h @@ -5,6 +5,28 @@ #ifndef _UAPI_IIO_BUFFER_H_ #define _UAPI_IIO_BUFFER_H_ +#include <linux/types.h> + +/* Flags for iio_dmabuf.flags */ +#define IIO_BUFFER_DMABUF_CYCLIC (1 << 0) +#define IIO_BUFFER_DMABUF_SUPPORTED_FLAGS 0x00000001 + +/** + * struct iio_dmabuf - Descriptor for a single IIO DMABUF object + * @fd: file descriptor of the DMABUF object + * @flags: one or more IIO_BUFFER_DMABUF_* flags + * @bytes_used: number of bytes used in this DMABUF for the data transfer. + * Should generally be set to the DMABUF's size. + */ +struct iio_dmabuf { + __u32 fd; + __u32 flags; + __u64 bytes_used; +}; + #define IIO_BUFFER_GET_FD_IOCTL _IOWR('i', 0x91, int) +#define IIO_BUFFER_DMABUF_ATTACH_IOCTL _IOW('i', 0x92, int) +#define IIO_BUFFER_DMABUF_DETACH_IOCTL _IOW('i', 0x93, int) +#define IIO_BUFFER_DMABUF_ENQUEUE_IOCTL _IOW('i', 0x94, struct iio_dmabuf) #endif /* _UAPI_IIO_BUFFER_H_ */ |