Thread (9 messages) 9 messages, 4 authors, 2022-02-07

Re: [PATCH v2 2/3] status: Add user space API definitions for VSTATUS, NOKERNINFO and TIOCSTAT

From: Greg KH <gregkh@linuxfoundation.org>
Date: 2022-02-06 17:09:50
Also in: linux-alpha, linux-arch, linux-mips, linux-s390, linux-sh, lkml, sparclinux

On Sun, Feb 06, 2022 at 07:48:53AM -0800, Walt Drummond wrote:
quoted hunk ↗ jump to hunk
Add definitions for the VSTATUS control character, and the NOKERNINFO
local control flag in the termios struct, and add an ioctl number for
the ioctl TIOCSTAT.  Also add a default VSTATUS character (Ctrl-T)
default valuses in termios.c_cc.  Do this for all architectures.

Signed-off-by: Walt Drummond <redacted>
---
 arch/alpha/include/asm/termios.h         | 4 ++--
 arch/alpha/include/uapi/asm/ioctls.h     | 1 +
 arch/alpha/include/uapi/asm/termbits.h   | 2 ++
 arch/ia64/include/asm/termios.h          | 4 ++--
 arch/ia64/include/uapi/asm/termbits.h    | 2 ++
 arch/mips/include/asm/termios.h          | 4 ++--
 arch/mips/include/uapi/asm/ioctls.h      | 1 +
 arch/mips/include/uapi/asm/termbits.h    | 2 ++
 arch/parisc/include/asm/termios.h        | 4 ++--
 arch/parisc/include/uapi/asm/ioctls.h    | 1 +
 arch/parisc/include/uapi/asm/termbits.h  | 2 ++
 arch/powerpc/include/asm/termios.h       | 4 ++--
 arch/powerpc/include/uapi/asm/ioctls.h   | 2 ++
 arch/powerpc/include/uapi/asm/termbits.h | 2 ++
 arch/s390/include/asm/termios.h          | 4 ++--
 arch/sh/include/uapi/asm/ioctls.h        | 1 +
 arch/sparc/include/uapi/asm/ioctls.h     | 1 +
 arch/sparc/include/uapi/asm/termbits.h   | 2 ++
 arch/xtensa/include/uapi/asm/ioctls.h    | 1 +
 include/asm-generic/termios.h            | 4 ++--
 include/uapi/asm-generic/ioctls.h        | 1 +
 include/uapi/asm-generic/termbits.h      | 2 ++
 22 files changed, 37 insertions(+), 14 deletions(-)
diff --git a/arch/alpha/include/asm/termios.h b/arch/alpha/include/asm/termios.h
index b7c77bb1bfd2..d28ddc649286 100644
--- a/arch/alpha/include/asm/termios.h
+++ b/arch/alpha/include/asm/termios.h
@@ -8,9 +8,9 @@
 	werase=^W	kill=^U		reprint=^R	sxtc=\0
 	intr=^C		quit=^\		susp=^Z		<OSF/1 VDSUSP>
 	start=^Q	stop=^S		lnext=^V	discard=^U
-	vmin=\1		vtime=\0
+	vmin=\1		vtime=\0        status=^T
 */
-#define INIT_C_CC "\004\000\000\177\027\025\022\000\003\034\032\000\021\023\026\025\001\000"
+#define INIT_C_CC "\004\000\000\177\027\025\022\000\003\034\032\000\021\023\026\025\001\000\024"
 
 /*
  * Translate a "termio" structure into a "termios". Ugh.
diff --git a/arch/alpha/include/uapi/asm/ioctls.h b/arch/alpha/include/uapi/asm/ioctls.h
index 971311605288..70fdeab2b5f2 100644
--- a/arch/alpha/include/uapi/asm/ioctls.h
+++ b/arch/alpha/include/uapi/asm/ioctls.h
@@ -124,5 +124,6 @@
 
 #define TIOCMIWAIT	0x545C	/* wait for a change on serial input line(s) */
 #define TIOCGICOUNT	0x545D	/* read serial port inline interrupt counts */
+#define TIOCSTAT	_IO('T', 0x5E)	/* display process group stats on tty */
 
 #endif /* _ASM_ALPHA_IOCTLS_H */
diff --git a/arch/alpha/include/uapi/asm/termbits.h b/arch/alpha/include/uapi/asm/termbits.h
index 4575ba34a0ea..9a1b9aa92d29 100644
--- a/arch/alpha/include/uapi/asm/termbits.h
+++ b/arch/alpha/include/uapi/asm/termbits.h
@@ -70,6 +70,7 @@ struct ktermios {
 #define VDISCARD 15
 #define VMIN 16
 #define VTIME 17
+#define VSTATUS 18
 
 /* c_iflag bits */
 #define IGNBRK	0000001
@@ -203,6 +204,7 @@ struct ktermios {
 #define PENDIN	0x20000000
 #define IEXTEN	0x00000400
 #define EXTPROC	0x10000000
+#define NOKERNINFO 0x40000000
Here, and elsewhere, you seem to mix tabs and spaces.  Please use what
is in the original file (tabs here.)
quoted hunk ↗ jump to hunk
 /* Values for the ACTION argument to `tcflow'.  */
 #define	TCOOFF		0
diff --git a/arch/ia64/include/asm/termios.h b/arch/ia64/include/asm/termios.h
index 589c026444cc..40e83f9b6ead 100644
--- a/arch/ia64/include/asm/termios.h
+++ b/arch/ia64/include/asm/termios.h
@@ -15,9 +15,9 @@
 	eof=^D		vtime=\0	vmin=\1		sxtc=\0
 	start=^Q	stop=^S		susp=^Z		eol=\0
 	reprint=^R	discard=^U	werase=^W	lnext=^V
-	eol2=\0
+	eol2=\0         status=^T
Same here.  And for the other files in this patch.  Let's keep them
unified please.

thanks,

greg k-h
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