Merge branch 'master' into test

* master: (1190 commits)
  ASoC: stm32: add of dependency for stm32 drivers
  ASoC: mt8173-rt5650: fix child-node lookup
  ASoC: dapm: fix debugfs read using path->connected
  platform/x86: samsung-laptop: Re-use DEFINE_SHOW_ATTRIBUTE() macro
  platform/x86: ideapad-laptop: Re-use DEFINE_SHOW_ATTRIBUTE() macro
  platform/x86: dell-laptop: Re-use DEFINE_SHOW_ATTRIBUTE() macro
  seq_file: Introduce DEFINE_SHOW_ATTRIBUTE() helper macro
  Documentation/sysctl/user.txt: fix typo
  MAINTAINERS: update ARM/QUALCOMM SUPPORT patterns
  MAINTAINERS: update various PALM patterns
  MAINTAINERS: update "ARM/OXNAS platform support" patterns
  MAINTAINERS: update Cortina/Gemini patterns
  MAINTAINERS: remove ARM/CLKDEV SUPPORT file pattern
  MAINTAINERS: remove ANDROID ION pattern
  mm: docs: add blank lines to silence sphinx "Unexpected indentation" errors
  mm: docs: fix parameter names mismatch
  mm: docs: fixup punctuation
  pipe: read buffer limits atomically
  pipe: simplify round_pipe_size()
  pipe: reject F_SETPIPE_SZ with size over UINT_MAX
  ...

1 files changed, 62 insertions, 1 deletions

diff --git a/include/uapi/linux/dvb/dmx.h b/include/uapi/linux/dvb/dmx.h
index c10f1324b4ca..5f3c5a918f00 100644
--- a/include/uapi/linux/dvb/dmx.h
+++ b/include/uapi/linux/dvb/dmx.h
@@ -211,6 +211,61 @@ struct dmx_stc {
 	__u64 stc;
 };
 
+/**
+ * struct dmx_buffer - dmx buffer info
+ *
+ * @index:	id number of the buffer
+ * @bytesused:	number of bytes occupied by data in the buffer (payload);
+ * @offset:	for buffers with memory == DMX_MEMORY_MMAP;
+ *		offset from the start of the device memory for this plane,
+ *		(or a "cookie" that should be passed to mmap() as offset)
+ * @length:	size in bytes of the buffer
+ *
+ * Contains data exchanged by application and driver using one of the streaming
+ * I/O methods.
+ */
+struct dmx_buffer {
+	__u32			index;
+	__u32			bytesused;
+	__u32			offset;
+	__u32			length;
+};
+
+/**
+ * struct dmx_requestbuffers - request dmx buffer information
+ *
+ * @count:	number of requested buffers,
+ * @size:	size in bytes of the requested buffer
+ *
+ * Contains data used for requesting a dmx buffer.
+ * All reserved fields must be set to zero.
+ */
+struct dmx_requestbuffers {
+	__u32			count;
+	__u32			size;
+};
+
+/**
+ * struct dmx_exportbuffer - export of dmx buffer as DMABUF file descriptor
+ *
+ * @index:	id number of the buffer
+ * @flags:	flags for newly created file, currently only O_CLOEXEC is
+ *		supported, refer to manual of open syscall for more details
+ * @fd:		file descriptor associated with DMABUF (set by driver)
+ *
+ * Contains data used for exporting a dmx buffer as DMABUF file descriptor.
+ * The buffer is identified by a 'cookie' returned by DMX_QUERYBUF
+ * (identical to the cookie used to mmap() the buffer to userspace). All
+ * reserved fields must be set to zero. The field reserved0 is expected to
+ * become a structure 'type' allowing an alternative layout of the structure
+ * content. Therefore this field should not be used for any other extensions.
+ */
+struct dmx_exportbuffer {
+	__u32		index;
+	__u32		flags;
+	__s32		fd;
+};
+
 #define DMX_START                _IO('o', 41)
 #define DMX_STOP                 _IO('o', 42)
 #define DMX_SET_FILTER           _IOW('o', 43, struct dmx_sct_filter_params)
@@ -231,4 +286,10 @@ typedef struct dmx_filter dmx_filter_t;
 
 #endif
 
-#endif /* _UAPI_DVBDMX_H_ */
+#define DMX_REQBUFS              _IOWR('o', 60, struct dmx_requestbuffers)
+#define DMX_QUERYBUF             _IOWR('o', 61, struct dmx_buffer)
+#define DMX_EXPBUF               _IOWR('o', 62, struct dmx_exportbuffer)
+#define DMX_QBUF                 _IOWR('o', 63, struct dmx_buffer)
+#define DMX_DQBUF                _IOWR('o', 64, struct dmx_buffer)
+
+#endif /* _DVBDMX_H_ */