[PATCH] ioctl_tty.2: Document ioctls: TCGETS2, TCSETS2, TCSETSW2, TCSETSF2

["Pali Rohár" <pali@kernel.org>]

Signed-off-by: Pali Rohár <pali@kernel.org>
---
 man2/ioctl_tty.2 | 29 +++++++++++++++++++++++++++++
 1 file changed, 29 insertions(+)

diff --git a/man2/ioctl_tty.2 b/man2/ioctl_tty.2
index c8269070180f..0c3a8ec24c76 100644
--- a/man2/ioctl_tty.2
+++ b/man2/ioctl_tty.2
@@ -77,6 +77,35 @@ The following four ioctls are just like
 .BR TCSETSW ,
 .BR TCSETSF ,
 except that they take a
+.I "struct termios2\ *"
+instead of a
+.IR "struct termios\ *" .
+.I "struct termios2\ *"
+is defined in header file
+.IR "<asm/termbits.h>" .
+If struct member
+.B c_cflag
+contains
+.B BOTHER
+then baudrate is stored in struct members
+.BR c_ispeed " and " c_ospeed
+as integer values.
+These ioctls are not supported on all architectures.
+.IP
+.BI "TCGETS2	struct termios2 *" argp
+.IP
+.BI "TCSETS2	const struct termios2 *" argp
+.IP
+.BI "TCSETSW2	const struct termios2 *" argp
+.IP
+.BI "TCSETSF2	const struct termios2 *" argp
+.PP
+The following four ioctls are just like
+.BR TCGETS ,
+.BR TCSETS ,
+.BR TCSETSW ,
+.BR TCSETSF ,
+except that they take a
 .I "struct termio\ *"
 instead of a
 .IR "struct termios\ *" .
-- 
2.20.1