Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
termios: uninline conversion helpers
default go into drivers/tty/tty_ioctl.c, unusual - into
arch/*/kernel/termios.c (only alpha and sparc have those).
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Link: https://lore.kernel.org/r/YxDmeUBHo0s/Ew8b@ZenIV
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
authored by
Al Viro
and committed by
Greg Kroah-Hartman
1d5d6682
408e532e
+294
-501
+6
-71
arch/alpha/include/asm/termios.h
+6
-71
arch/alpha/include/asm/termios.h
···
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12
*/
13
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#define INIT_C_CC "\004\000\000\177\027\025\022\000\003\034\032\000\021\023\026\025\001\000"
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/*
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* Translate a "termio" structure into a "termios". Ugh.
17
-
*/
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-
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#define user_termio_to_kernel_termios(a_termios, u_termio) \
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({ \
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struct ktermios *k_termios = (a_termios); \
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struct termio k_termio; \
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int canon, ret; \
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\
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ret = copy_from_user(&k_termio, u_termio, sizeof(k_termio)); \
26
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if (!ret) { \
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/* Overwrite only the low bits. */ \
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*(unsigned short *)&k_termios->c_iflag = k_termio.c_iflag; \
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*(unsigned short *)&k_termios->c_oflag = k_termio.c_oflag; \
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*(unsigned short *)&k_termios->c_cflag = k_termio.c_cflag; \
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*(unsigned short *)&k_termios->c_lflag = k_termio.c_lflag; \
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canon = k_termio.c_lflag & ICANON; \
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\
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k_termios->c_cc[VINTR] = k_termio.c_cc[_VINTR]; \
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k_termios->c_cc[VQUIT] = k_termio.c_cc[_VQUIT]; \
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k_termios->c_cc[VERASE] = k_termio.c_cc[_VERASE]; \
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k_termios->c_cc[VKILL] = k_termio.c_cc[_VKILL]; \
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k_termios->c_cc[VEOL2] = k_termio.c_cc[_VEOL2]; \
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k_termios->c_cc[VSWTC] = k_termio.c_cc[_VSWTC]; \
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k_termios->c_cc[canon ? VEOF : VMIN] = k_termio.c_cc[_VEOF]; \
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k_termios->c_cc[canon ? VEOL : VTIME] = k_termio.c_cc[_VEOL]; \
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} \
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ret; \
44
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})
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-
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/*
47
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* Translate a "termios" structure into a "termio". Ugh.
48
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*
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* Note the "fun" _VMIN overloading.
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*/
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#define kernel_termios_to_user_termio(u_termio, a_termios) \
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({ \
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struct ktermios *k_termios = (a_termios); \
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struct termio k_termio; \
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int canon; \
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\
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k_termio.c_iflag = k_termios->c_iflag; \
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k_termio.c_oflag = k_termios->c_oflag; \
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k_termio.c_cflag = k_termios->c_cflag; \
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canon = (k_termio.c_lflag = k_termios->c_lflag) & ICANON; \
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\
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k_termio.c_line = k_termios->c_line; \
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k_termio.c_cc[_VINTR] = k_termios->c_cc[VINTR]; \
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k_termio.c_cc[_VQUIT] = k_termios->c_cc[VQUIT]; \
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k_termio.c_cc[_VERASE] = k_termios->c_cc[VERASE]; \
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k_termio.c_cc[_VKILL] = k_termios->c_cc[VKILL]; \
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k_termio.c_cc[_VEOF] = k_termios->c_cc[canon ? VEOF : VMIN]; \
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k_termio.c_cc[_VEOL] = k_termios->c_cc[canon ? VEOL : VTIME]; \
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k_termio.c_cc[_VEOL2] = k_termios->c_cc[VEOL2]; \
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k_termio.c_cc[_VSWTC] = k_termios->c_cc[VSWTC]; \
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\
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copy_to_user(u_termio, &k_termio, sizeof(k_termio)); \
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})
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#define user_termios_to_kernel_termios(k, u) \
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copy_from_user(k, u, sizeof(struct termios2))
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-
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#define kernel_termios_to_user_termios(u, k) \
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copy_to_user(u, k, sizeof(struct termios2))
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-
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#define user_termios_to_kernel_termios_1(k, u) \
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copy_from_user(k, u, sizeof(struct termios))
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-
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#define kernel_termios_to_user_termios_1(u, k) \
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copy_to_user(u, k, sizeof(struct termios))
15
+
int user_termio_to_kernel_termios(struct ktermios *, struct termio __user *);
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+
int kernel_termios_to_user_termio(struct termio __user *, struct ktermios *);
17
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int user_termios_to_kernel_termios(struct ktermios *, struct termios2 __user *);
18
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int kernel_termios_to_user_termios(struct termios2 __user *, struct ktermios *);
19
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int user_termios_to_kernel_termios_1(struct ktermios *, struct termios __user *);
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int kernel_termios_to_user_termios_1(struct termios __user *, struct ktermios *);
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#endif /* _ALPHA_TERMIOS_H */
+1
-1
arch/alpha/kernel/Makefile
+1
-1
arch/alpha/kernel/Makefile
+57
arch/alpha/kernel/termios.c
+57
arch/alpha/kernel/termios.c
···
1
+
// SPDX-License-Identifier: GPL-2.0
2
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#include <linux/uaccess.h>
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#include <linux/termios.h>
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+
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int user_termio_to_kernel_termios(struct ktermios *termios,
6
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struct termio __user *termio)
7
+
{
8
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struct termio v;
9
+
bool canon;
10
+
11
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if (copy_from_user(&v, termio, sizeof(struct termio)))
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return -EFAULT;
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+
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termios->c_iflag = (0xffff0000 & termios->c_iflag) | v.c_iflag;
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termios->c_oflag = (0xffff0000 & termios->c_oflag) | v.c_oflag;
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termios->c_cflag = (0xffff0000 & termios->c_cflag) | v.c_cflag;
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termios->c_lflag = (0xffff0000 & termios->c_lflag) | v.c_lflag;
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termios->c_line = (0xffff0000 & termios->c_lflag) | v.c_line;
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+
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canon = v.c_lflag & ICANON;
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termios->c_cc[VINTR] = v.c_cc[_VINTR];
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termios->c_cc[VQUIT] = v.c_cc[_VQUIT];
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termios->c_cc[VERASE] = v.c_cc[_VERASE];
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termios->c_cc[VKILL] = v.c_cc[_VKILL];
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termios->c_cc[VEOL2] = v.c_cc[_VEOL2];
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termios->c_cc[VSWTC] = v.c_cc[_VSWTC];
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termios->c_cc[canon ? VEOF : VMIN] = v.c_cc[_VEOF];
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termios->c_cc[canon ? VEOL : VTIME] = v.c_cc[_VEOL];
29
+
30
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return 0;
31
+
}
32
+
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int kernel_termios_to_user_termio(struct termio __user *termio,
34
+
struct ktermios *termios)
35
+
{
36
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struct termio v;
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bool canon;
38
+
39
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memset(&v, 0, sizeof(struct termio));
40
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v.c_iflag = termios->c_iflag;
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v.c_oflag = termios->c_oflag;
42
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v.c_cflag = termios->c_cflag;
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v.c_lflag = termios->c_lflag;
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v.c_line = termios->c_line;
45
+
46
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canon = v.c_lflag & ICANON;
47
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v.c_cc[_VINTR] = termios->c_cc[VINTR];
48
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v.c_cc[_VQUIT] = termios->c_cc[VQUIT];
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v.c_cc[_VERASE] = termios->c_cc[VERASE];
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v.c_cc[_VKILL] = termios->c_cc[VKILL];
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v.c_cc[_VEOF] = termios->c_cc[canon ? VEOF : VMIN];
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v.c_cc[_VEOL] = termios->c_cc[canon ? VEOL : VTIME];
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v.c_cc[_VEOL2] = termios->c_cc[VEOL2];
54
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v.c_cc[_VSWTC] = termios->c_cc[VSWTC];
55
+
56
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return copy_to_user(termio, &v, sizeof(struct termio));
57
+
}
+6
-35
arch/ia64/include/asm/termios.h
+6
-35
arch/ia64/include/asm/termios.h
···
19
19
*/
20
20
#define INIT_C_CC "\003\034\177\025\004\0\1\0\021\023\032\0\022\017\027\026\0"
21
21
22
-
/*
23
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* Translate a "termio" structure into a "termios". Ugh.
24
-
*/
25
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#define SET_LOW_TERMIOS_BITS(termios, termio, x) { \
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unsigned short __tmp; \
27
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get_user(__tmp,&(termio)->x); \
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*(unsigned short *) &(termios)->x = __tmp; \
29
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}
30
-
31
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#define user_termio_to_kernel_termios(termios, termio) \
32
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({ \
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SET_LOW_TERMIOS_BITS(termios, termio, c_iflag); \
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SET_LOW_TERMIOS_BITS(termios, termio, c_oflag); \
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SET_LOW_TERMIOS_BITS(termios, termio, c_cflag); \
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SET_LOW_TERMIOS_BITS(termios, termio, c_lflag); \
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copy_from_user((termios)->c_cc, (termio)->c_cc, NCC); \
38
-
})
39
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/*
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* Translate a "termios" structure into a "termio". Ugh.
42
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*/
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#define kernel_termios_to_user_termio(termio, termios) \
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({ \
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put_user((termios)->c_iflag, &(termio)->c_iflag); \
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put_user((termios)->c_oflag, &(termio)->c_oflag); \
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put_user((termios)->c_cflag, &(termio)->c_cflag); \
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put_user((termios)->c_lflag, &(termio)->c_lflag); \
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put_user((termios)->c_line, &(termio)->c_line); \
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copy_to_user((termio)->c_cc, (termios)->c_cc, NCC); \
51
-
})
52
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#define user_termios_to_kernel_termios(k, u) copy_from_user(k, u, sizeof(struct termios2))
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#define kernel_termios_to_user_termios(u, k) copy_to_user(u, k, sizeof(struct termios2))
55
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#define user_termios_to_kernel_termios_1(k, u) copy_from_user(k, u, sizeof(struct termios))
56
-
#define kernel_termios_to_user_termios_1(u, k) copy_to_user(u, k, sizeof(struct termios))
22
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int user_termio_to_kernel_termios(struct ktermios *, struct termio __user *);
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+
int kernel_termios_to_user_termio(struct termio __user *, struct ktermios *);
24
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int user_termios_to_kernel_termios(struct ktermios *, struct termios2 __user *);
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int kernel_termios_to_user_termios(struct termios2 __user *, struct ktermios *);
26
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int user_termios_to_kernel_termios_1(struct ktermios *, struct termios __user *);
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int kernel_termios_to_user_termios_1(struct termios __user *, struct ktermios *);
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#endif /* _ASM_IA64_TERMIOS_H */
+6
-78
arch/mips/include/asm/termios.h
+6
-78
arch/mips/include/asm/termios.h
···
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#include <linux/string.h>
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25
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/*
27
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* Translate a "termio" structure into a "termios". Ugh.
28
-
*/
29
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static inline int user_termio_to_kernel_termios(struct ktermios *termios,
30
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struct termio __user *termio)
31
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{
32
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unsigned short iflag, oflag, cflag, lflag;
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unsigned int err;
34
-
35
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if (!access_ok(termio, sizeof(struct termio)))
36
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return -EFAULT;
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38
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err = __get_user(iflag, &termio->c_iflag);
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termios->c_iflag = (termios->c_iflag & 0xffff0000) | iflag;
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err |=__get_user(oflag, &termio->c_oflag);
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termios->c_oflag = (termios->c_oflag & 0xffff0000) | oflag;
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err |=__get_user(cflag, &termio->c_cflag);
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termios->c_cflag = (termios->c_cflag & 0xffff0000) | cflag;
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err |=__get_user(lflag, &termio->c_lflag);
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termios->c_lflag = (termios->c_lflag & 0xffff0000) | lflag;
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err |=__get_user(termios->c_line, &termio->c_line);
47
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if (err)
48
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return -EFAULT;
49
-
50
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if (__copy_from_user(termios->c_cc, termio->c_cc, NCC))
51
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return -EFAULT;
52
-
53
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return 0;
54
-
}
55
-
56
-
/*
57
-
* Translate a "termios" structure into a "termio". Ugh.
58
-
*/
59
-
static inline int kernel_termios_to_user_termio(struct termio __user *termio,
60
-
struct ktermios *termios)
61
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{
62
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int err;
63
-
64
-
if (!access_ok(termio, sizeof(struct termio)))
65
-
return -EFAULT;
66
-
67
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err = __put_user(termios->c_iflag, &termio->c_iflag);
68
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err |= __put_user(termios->c_oflag, &termio->c_oflag);
69
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err |= __put_user(termios->c_cflag, &termio->c_cflag);
70
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err |= __put_user(termios->c_lflag, &termio->c_lflag);
71
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err |= __put_user(termios->c_line, &termio->c_line);
72
-
if (err)
73
-
return -EFAULT;
74
-
75
-
if (__copy_to_user(termio->c_cc, termios->c_cc, NCC))
76
-
return -EFAULT;
77
-
78
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return 0;
79
-
}
80
-
81
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static inline int user_termios_to_kernel_termios(struct ktermios __user *k,
82
-
struct termios2 *u)
83
-
{
84
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return copy_from_user(k, u, sizeof(struct termios2)) ? -EFAULT : 0;
85
-
}
86
-
87
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static inline int kernel_termios_to_user_termios(struct termios2 __user *u,
88
-
struct ktermios *k)
89
-
{
90
-
return copy_to_user(u, k, sizeof(struct termios2)) ? -EFAULT : 0;
91
-
}
92
-
93
-
static inline int user_termios_to_kernel_termios_1(struct ktermios *k,
94
-
struct termios __user *u)
95
-
{
96
-
return copy_from_user(k, u, sizeof(struct termios)) ? -EFAULT : 0;
97
-
}
98
-
99
-
static inline int kernel_termios_to_user_termios_1(struct termios __user *u,
100
-
struct ktermios *k)
101
-
{
102
-
return copy_to_user(u, k, sizeof(struct termios)) ? -EFAULT : 0;
103
-
}
26
+
int user_termio_to_kernel_termios(struct ktermios *, struct termio __user *);
27
+
int kernel_termios_to_user_termio(struct termio __user *, struct ktermios *);
28
+
int user_termios_to_kernel_termios(struct ktermios *, struct termios2 __user *);
29
+
int kernel_termios_to_user_termios(struct termios2 __user *, struct ktermios *);
30
+
int user_termios_to_kernel_termios_1(struct ktermios *, struct termios __user *);
31
+
int kernel_termios_to_user_termios_1(struct termios __user *, struct ktermios *);
104
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33
#endif /* _ASM_TERMIOS_H */
+6
-35
arch/parisc/include/asm/termios.h
+6
-35
arch/parisc/include/asm/termios.h
···
13
13
*/
14
14
#define INIT_C_CC "\003\034\177\025\004\0\1\0\021\023\032\0\022\017\027\026\0"
15
15
16
-
/*
17
-
* Translate a "termio" structure into a "termios". Ugh.
18
-
*/
19
-
#define SET_LOW_TERMIOS_BITS(termios, termio, x) { \
20
-
unsigned short __tmp; \
21
-
get_user(__tmp,&(termio)->x); \
22
-
*(unsigned short *) &(termios)->x = __tmp; \
23
-
}
24
-
25
-
#define user_termio_to_kernel_termios(termios, termio) \
26
-
({ \
27
-
SET_LOW_TERMIOS_BITS(termios, termio, c_iflag); \
28
-
SET_LOW_TERMIOS_BITS(termios, termio, c_oflag); \
29
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SET_LOW_TERMIOS_BITS(termios, termio, c_cflag); \
30
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SET_LOW_TERMIOS_BITS(termios, termio, c_lflag); \
31
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copy_from_user((termios)->c_cc, (termio)->c_cc, NCC); \
32
-
})
33
-
34
-
/*
35
-
* Translate a "termios" structure into a "termio". Ugh.
36
-
*/
37
-
#define kernel_termios_to_user_termio(termio, termios) \
38
-
({ \
39
-
put_user((termios)->c_iflag, &(termio)->c_iflag); \
40
-
put_user((termios)->c_oflag, &(termio)->c_oflag); \
41
-
put_user((termios)->c_cflag, &(termio)->c_cflag); \
42
-
put_user((termios)->c_lflag, &(termio)->c_lflag); \
43
-
put_user((termios)->c_line, &(termio)->c_line); \
44
-
copy_to_user((termio)->c_cc, (termios)->c_cc, NCC); \
45
-
})
46
-
47
-
#define user_termios_to_kernel_termios(k, u) copy_from_user(k, u, sizeof(struct termios2))
48
-
#define kernel_termios_to_user_termios(u, k) copy_to_user(u, k, sizeof(struct termios2))
49
-
#define user_termios_to_kernel_termios_1(k, u) copy_from_user(k, u, sizeof(struct termios))
50
-
#define kernel_termios_to_user_termios_1(u, k) copy_to_user(u, k, sizeof(struct termios))
16
+
int user_termio_to_kernel_termios(struct ktermios *, struct termio __user *);
17
+
int kernel_termios_to_user_termio(struct termio __user *, struct ktermios *);
18
+
int user_termios_to_kernel_termios(struct ktermios *, struct termios2 __user *);
19
+
int kernel_termios_to_user_termios(struct termios2 __user *, struct ktermios *);
20
+
int user_termios_to_kernel_termios_1(struct ktermios *, struct termios __user *);
21
+
int kernel_termios_to_user_termios_1(struct termios __user *, struct ktermios *);
51
22
52
23
#endif /* _PARISC_TERMIOS_H */
+6
-130
arch/sparc/include/asm/termios.h
+6
-130
arch/sparc/include/asm/termios.h
···
5
5
#include <uapi/asm/termios.h>
6
6
7
7
8
-
/*
9
-
* c_cc characters in the termio structure. Oh, how I love being
10
-
* backwardly compatible. Notice that character 4 and 5 are
11
-
* interpreted differently depending on whether ICANON is set in
12
-
* c_lflag. If it's set, they are used as _VEOF and _VEOL, otherwise
13
-
* as _VMIN and V_TIME. This is for compatibility with OSF/1 (which
14
-
* is compatible with sysV)...
15
-
*/
16
-
#define _VMIN 4
17
-
#define _VTIME 5
18
-
19
8
/* intr=^C quit=^\ erase=del kill=^U
20
9
eof=^D eol=\0 eol2=\0 sxtc=\0
21
10
start=^Q stop=^S susp=^Z dsusp=^Y
···
13
24
*/
14
25
#define INIT_C_CC "\003\034\177\025\004\000\000\000\021\023\032\031\022\025\027\026\001"
15
26
16
-
/*
17
-
* Translate a "termio" structure into a "termios". Ugh.
18
-
*/
19
-
#define user_termio_to_kernel_termios(termios, termio) \
20
-
({ \
21
-
unsigned short tmp; \
22
-
int err; \
23
-
err = get_user(tmp, &(termio)->c_iflag); \
24
-
(termios)->c_iflag = (0xffff0000 & ((termios)->c_iflag)) | tmp; \
25
-
err |= get_user(tmp, &(termio)->c_oflag); \
26
-
(termios)->c_oflag = (0xffff0000 & ((termios)->c_oflag)) | tmp; \
27
-
err |= get_user(tmp, &(termio)->c_cflag); \
28
-
(termios)->c_cflag = (0xffff0000 & ((termios)->c_cflag)) | tmp; \
29
-
err |= get_user(tmp, &(termio)->c_lflag); \
30
-
(termios)->c_lflag = (0xffff0000 & ((termios)->c_lflag)) | tmp; \
31
-
err |= copy_from_user((termios)->c_cc, (termio)->c_cc, NCC); \
32
-
err; \
33
-
})
34
-
35
-
/*
36
-
* Translate a "termios" structure into a "termio". Ugh.
37
-
*
38
-
* Note the "fun" _VMIN overloading.
39
-
*/
40
-
#define kernel_termios_to_user_termio(termio, termios) \
41
-
({ \
42
-
int err; \
43
-
err = put_user((termios)->c_iflag, &(termio)->c_iflag); \
44
-
err |= put_user((termios)->c_oflag, &(termio)->c_oflag); \
45
-
err |= put_user((termios)->c_cflag, &(termio)->c_cflag); \
46
-
err |= put_user((termios)->c_lflag, &(termio)->c_lflag); \
47
-
err |= put_user((termios)->c_line, &(termio)->c_line); \
48
-
err |= copy_to_user((termio)->c_cc, (termios)->c_cc, NCC); \
49
-
if (!((termios)->c_lflag & ICANON)) { \
50
-
err |= put_user((termios)->c_cc[VMIN], &(termio)->c_cc[_VMIN]); \
51
-
err |= put_user((termios)->c_cc[VTIME], &(termio)->c_cc[_VTIME]); \
52
-
} \
53
-
err; \
54
-
})
55
-
56
-
#define user_termios_to_kernel_termios(k, u) \
57
-
({ \
58
-
int err; \
59
-
err = get_user((k)->c_iflag, &(u)->c_iflag); \
60
-
err |= get_user((k)->c_oflag, &(u)->c_oflag); \
61
-
err |= get_user((k)->c_cflag, &(u)->c_cflag); \
62
-
err |= get_user((k)->c_lflag, &(u)->c_lflag); \
63
-
err |= get_user((k)->c_line, &(u)->c_line); \
64
-
err |= copy_from_user((k)->c_cc, (u)->c_cc, NCCS); \
65
-
if ((k)->c_lflag & ICANON) { \
66
-
err |= get_user((k)->c_cc[VEOF], &(u)->c_cc[VEOF]); \
67
-
err |= get_user((k)->c_cc[VEOL], &(u)->c_cc[VEOL]); \
68
-
} else { \
69
-
err |= get_user((k)->c_cc[VMIN], &(u)->c_cc[_VMIN]); \
70
-
err |= get_user((k)->c_cc[VTIME], &(u)->c_cc[_VTIME]); \
71
-
} \
72
-
err |= get_user((k)->c_ispeed, &(u)->c_ispeed); \
73
-
err |= get_user((k)->c_ospeed, &(u)->c_ospeed); \
74
-
err; \
75
-
})
76
-
77
-
#define kernel_termios_to_user_termios(u, k) \
78
-
({ \
79
-
int err; \
80
-
err = put_user((k)->c_iflag, &(u)->c_iflag); \
81
-
err |= put_user((k)->c_oflag, &(u)->c_oflag); \
82
-
err |= put_user((k)->c_cflag, &(u)->c_cflag); \
83
-
err |= put_user((k)->c_lflag, &(u)->c_lflag); \
84
-
err |= put_user((k)->c_line, &(u)->c_line); \
85
-
err |= copy_to_user((u)->c_cc, (k)->c_cc, NCCS); \
86
-
if (!((k)->c_lflag & ICANON)) { \
87
-
err |= put_user((k)->c_cc[VMIN], &(u)->c_cc[_VMIN]); \
88
-
err |= put_user((k)->c_cc[VTIME], &(u)->c_cc[_VTIME]); \
89
-
} else { \
90
-
err |= put_user((k)->c_cc[VEOF], &(u)->c_cc[VEOF]); \
91
-
err |= put_user((k)->c_cc[VEOL], &(u)->c_cc[VEOL]); \
92
-
} \
93
-
err |= put_user((k)->c_ispeed, &(u)->c_ispeed); \
94
-
err |= put_user((k)->c_ospeed, &(u)->c_ospeed); \
95
-
err; \
96
-
})
97
-
98
-
#define user_termios_to_kernel_termios_1(k, u) \
99
-
({ \
100
-
int err; \
101
-
err = get_user((k)->c_iflag, &(u)->c_iflag); \
102
-
err |= get_user((k)->c_oflag, &(u)->c_oflag); \
103
-
err |= get_user((k)->c_cflag, &(u)->c_cflag); \
104
-
err |= get_user((k)->c_lflag, &(u)->c_lflag); \
105
-
err |= get_user((k)->c_line, &(u)->c_line); \
106
-
err |= copy_from_user((k)->c_cc, (u)->c_cc, NCCS); \
107
-
if ((k)->c_lflag & ICANON) { \
108
-
err |= get_user((k)->c_cc[VEOF], &(u)->c_cc[VEOF]); \
109
-
err |= get_user((k)->c_cc[VEOL], &(u)->c_cc[VEOL]); \
110
-
} else { \
111
-
err |= get_user((k)->c_cc[VMIN], &(u)->c_cc[_VMIN]); \
112
-
err |= get_user((k)->c_cc[VTIME], &(u)->c_cc[_VTIME]); \
113
-
} \
114
-
err; \
115
-
})
116
-
117
-
#define kernel_termios_to_user_termios_1(u, k) \
118
-
({ \
119
-
int err; \
120
-
err = put_user((k)->c_iflag, &(u)->c_iflag); \
121
-
err |= put_user((k)->c_oflag, &(u)->c_oflag); \
122
-
err |= put_user((k)->c_cflag, &(u)->c_cflag); \
123
-
err |= put_user((k)->c_lflag, &(u)->c_lflag); \
124
-
err |= put_user((k)->c_line, &(u)->c_line); \
125
-
err |= copy_to_user((u)->c_cc, (k)->c_cc, NCCS); \
126
-
if (!((k)->c_lflag & ICANON)) { \
127
-
err |= put_user((k)->c_cc[VMIN], &(u)->c_cc[_VMIN]); \
128
-
err |= put_user((k)->c_cc[VTIME], &(u)->c_cc[_VTIME]); \
129
-
} else { \
130
-
err |= put_user((k)->c_cc[VEOF], &(u)->c_cc[VEOF]); \
131
-
err |= put_user((k)->c_cc[VEOL], &(u)->c_cc[VEOL]); \
132
-
} \
133
-
err; \
134
-
})
27
+
int user_termio_to_kernel_termios(struct ktermios *, struct termio __user *);
28
+
int kernel_termios_to_user_termio(struct termio __user *, struct ktermios *);
29
+
int user_termios_to_kernel_termios(struct ktermios *, struct termios2 __user *);
30
+
int kernel_termios_to_user_termios(struct termios2 __user *, struct ktermios *);
31
+
int user_termios_to_kernel_termios_1(struct ktermios *, struct termios __user *);
32
+
int kernel_termios_to_user_termios_1(struct termios __user *, struct ktermios *);
135
33
136
34
#endif /* _SPARC_TERMIOS_H */
+3
-1
arch/sparc/kernel/Makefile
+3
-1
arch/sparc/kernel/Makefile
···
87
87
obj-y += auxio_$(BITS).o
88
88
obj-$(CONFIG_SUN_PM) += apc.o pmc.o
89
89
90
+
obj-y += termios.o
91
+
90
92
obj-$(CONFIG_MODULES) += module.o
91
93
obj-$(CONFIG_MODULES) += sparc_ksyms.o
92
94
obj-$(CONFIG_SPARC_LED) += led.o
93
95
obj-$(CONFIG_KGDB) += kgdb_$(BITS).o
94
-
95
96
96
97
obj-$(CONFIG_DYNAMIC_FTRACE) += ftrace.o
97
98
obj-$(CONFIG_FUNCTION_GRAPH_TRACER) += ftrace.o
···
104
103
obj-$(CONFIG_SPARC64_PCI) += pci_psycho.o pci_sabre.o pci_schizo.o
105
104
obj-$(CONFIG_SPARC64_PCI) += pci_sun4v.o pci_sun4v_asm.o pci_fire.o
106
105
obj-$(CONFIG_SPARC64_PCI_MSI) += pci_msi.o
106
+
107
107
108
108
obj-$(CONFIG_COMPAT) += sys32.o sys_sparc32.o signal32.o
109
109
+115
arch/sparc/kernel/termios.c
+115
arch/sparc/kernel/termios.c
···
1
+
#include <linux/uaccess.h>
2
+
#include <linux/termios.h>
3
+
4
+
/*
5
+
* c_cc characters in the termio structure. Oh, how I love being
6
+
* backwardly compatible. Notice that character 4 and 5 are
7
+
* interpreted differently depending on whether ICANON is set in
8
+
* c_lflag. If it's set, they are used as _VEOF and _VEOL, otherwise
9
+
* as _VMIN and V_TIME. This is for compatibility with OSF/1 (which
10
+
* is compatible with sysV)...
11
+
*/
12
+
#define _VMIN 4
13
+
#define _VTIME 5
14
+
15
+
int kernel_termios_to_user_termio(struct termio __user *termio,
16
+
struct ktermios *termios)
17
+
{
18
+
struct termio v;
19
+
memset(&v, 0, sizeof(struct termio));
20
+
v.c_iflag = termios->c_iflag;
21
+
v.c_oflag = termios->c_oflag;
22
+
v.c_cflag = termios->c_cflag;
23
+
v.c_lflag = termios->c_lflag;
24
+
v.c_line = termios->c_line;
25
+
memcpy(v.c_cc, termios->c_cc, NCC);
26
+
if (!(v.c_lflag & ICANON)) {
27
+
v.c_cc[_VMIN] = termios->c_cc[VMIN];
28
+
v.c_cc[_VTIME] = termios->c_cc[VTIME];
29
+
}
30
+
return copy_to_user(termio, &v, sizeof(struct termio));
31
+
}
32
+
33
+
int user_termios_to_kernel_termios(struct ktermios *k,
34
+
struct termios2 __user *u)
35
+
{
36
+
int err;
37
+
err = get_user(k->c_iflag, &u->c_iflag);
38
+
err |= get_user(k->c_oflag, &u->c_oflag);
39
+
err |= get_user(k->c_cflag, &u->c_cflag);
40
+
err |= get_user(k->c_lflag, &u->c_lflag);
41
+
err |= get_user(k->c_line, &u->c_line);
42
+
err |= copy_from_user(k->c_cc, u->c_cc, NCCS);
43
+
if (k->c_lflag & ICANON) {
44
+
err |= get_user(k->c_cc[VEOF], &u->c_cc[VEOF]);
45
+
err |= get_user(k->c_cc[VEOL], &u->c_cc[VEOL]);
46
+
} else {
47
+
err |= get_user(k->c_cc[VMIN], &u->c_cc[_VMIN]);
48
+
err |= get_user(k->c_cc[VTIME], &u->c_cc[_VTIME]);
49
+
}
50
+
err |= get_user(k->c_ispeed, &u->c_ispeed);
51
+
err |= get_user(k->c_ospeed, &u->c_ospeed);
52
+
return err;
53
+
}
54
+
55
+
int kernel_termios_to_user_termios(struct termios2 __user *u,
56
+
struct ktermios *k)
57
+
{
58
+
int err;
59
+
err = put_user(k->c_iflag, &u->c_iflag);
60
+
err |= put_user(k->c_oflag, &u->c_oflag);
61
+
err |= put_user(k->c_cflag, &u->c_cflag);
62
+
err |= put_user(k->c_lflag, &u->c_lflag);
63
+
err |= put_user(k->c_line, &u->c_line);
64
+
err |= copy_to_user(u->c_cc, k->c_cc, NCCS);
65
+
if (!(k->c_lflag & ICANON)) {
66
+
err |= put_user(k->c_cc[VMIN], &u->c_cc[_VMIN]);
67
+
err |= put_user(k->c_cc[VTIME], &u->c_cc[_VTIME]);
68
+
} else {
69
+
err |= put_user(k->c_cc[VEOF], &u->c_cc[VEOF]);
70
+
err |= put_user(k->c_cc[VEOL], &u->c_cc[VEOL]);
71
+
}
72
+
err |= put_user(k->c_ispeed, &u->c_ispeed);
73
+
err |= put_user(k->c_ospeed, &u->c_ospeed);
74
+
return err;
75
+
}
76
+
77
+
int user_termios_to_kernel_termios_1(struct ktermios *k,
78
+
struct termios __user *u)
79
+
{
80
+
int err;
81
+
err = get_user(k->c_iflag, &u->c_iflag);
82
+
err |= get_user(k->c_oflag, &u->c_oflag);
83
+
err |= get_user(k->c_cflag, &u->c_cflag);
84
+
err |= get_user(k->c_lflag, &u->c_lflag);
85
+
err |= get_user(k->c_line, &u->c_line);
86
+
err |= copy_from_user(k->c_cc, u->c_cc, NCCS);
87
+
if (k->c_lflag & ICANON) {
88
+
err |= get_user(k->c_cc[VEOF], &u->c_cc[VEOF]);
89
+
err |= get_user(k->c_cc[VEOL], &u->c_cc[VEOL]);
90
+
} else {
91
+
err |= get_user(k->c_cc[VMIN], &u->c_cc[_VMIN]);
92
+
err |= get_user(k->c_cc[VTIME], &u->c_cc[_VTIME]);
93
+
}
94
+
return err;
95
+
}
96
+
97
+
int kernel_termios_to_user_termios_1(struct termios __user *u,
98
+
struct ktermios *k)
99
+
{
100
+
int err;
101
+
err = put_user(k->c_iflag, &u->c_iflag);
102
+
err |= put_user(k->c_oflag, &u->c_oflag);
103
+
err |= put_user(k->c_cflag, &u->c_cflag);
104
+
err |= put_user(k->c_lflag, &u->c_lflag);
105
+
err |= put_user(k->c_line, &u->c_line);
106
+
err |= copy_to_user(u->c_cc, k->c_cc, NCCS);
107
+
if (!(k->c_lflag & ICANON)) {
108
+
err |= put_user(k->c_cc[VMIN], &u->c_cc[_VMIN]);
109
+
err |= put_user(k->c_cc[VTIME], &u->c_cc[_VTIME]);
110
+
} else {
111
+
err |= put_user(k->c_cc[VEOF], &u->c_cc[VEOF]);
112
+
err |= put_user(k->c_cc[VEOL], &u->c_cc[VEOL]);
113
+
}
114
+
return err;
115
+
}
+74
drivers/tty/tty_ioctl.c
+74
drivers/tty/tty_ioctl.c
···
374
374
}
375
375
EXPORT_SYMBOL_GPL(tty_set_termios);
376
376
377
+
378
+
/*
379
+
* Translate a "termio" structure into a "termios". Ugh.
380
+
*/
381
+
__weak int user_termio_to_kernel_termios(struct ktermios *termios,
382
+
struct termio __user *termio)
383
+
{
384
+
struct termio v;
385
+
386
+
if (copy_from_user(&v, termio, sizeof(struct termio)))
387
+
return -EFAULT;
388
+
389
+
termios->c_iflag = (0xffff0000 & termios->c_iflag) | v.c_iflag;
390
+
termios->c_oflag = (0xffff0000 & termios->c_oflag) | v.c_oflag;
391
+
termios->c_cflag = (0xffff0000 & termios->c_cflag) | v.c_cflag;
392
+
termios->c_lflag = (0xffff0000 & termios->c_lflag) | v.c_lflag;
393
+
termios->c_line = (0xffff0000 & termios->c_lflag) | v.c_line;
394
+
memcpy(termios->c_cc, v.c_cc, NCC);
395
+
return 0;
396
+
}
397
+
398
+
/*
399
+
* Translate a "termios" structure into a "termio". Ugh.
400
+
*/
401
+
__weak int kernel_termios_to_user_termio(struct termio __user *termio,
402
+
struct ktermios *termios)
403
+
{
404
+
struct termio v;
405
+
memset(&v, 0, sizeof(struct termio));
406
+
v.c_iflag = termios->c_iflag;
407
+
v.c_oflag = termios->c_oflag;
408
+
v.c_cflag = termios->c_cflag;
409
+
v.c_lflag = termios->c_lflag;
410
+
v.c_line = termios->c_line;
411
+
memcpy(v.c_cc, termios->c_cc, NCC);
412
+
return copy_to_user(termio, &v, sizeof(struct termio));
413
+
}
414
+
415
+
#ifdef TCGETS2
416
+
__weak int user_termios_to_kernel_termios(struct ktermios *k,
417
+
struct termios2 __user *u)
418
+
{
419
+
return copy_from_user(k, u, sizeof(struct termios2));
420
+
}
421
+
__weak int kernel_termios_to_user_termios(struct termios2 __user *u,
422
+
struct ktermios *k)
423
+
{
424
+
return copy_to_user(u, k, sizeof(struct termios2));
425
+
}
426
+
__weak int user_termios_to_kernel_termios_1(struct ktermios *k,
427
+
struct termios __user *u)
428
+
{
429
+
return copy_from_user(k, u, sizeof(struct termios));
430
+
}
431
+
__weak int kernel_termios_to_user_termios_1(struct termios __user *u,
432
+
struct ktermios *k)
433
+
{
434
+
return copy_to_user(u, k, sizeof(struct termios));
435
+
}
436
+
437
+
#else
438
+
439
+
__weak int user_termios_to_kernel_termios(struct ktermios *k,
440
+
struct termios __user *u)
441
+
{
442
+
return copy_from_user(k, u, sizeof(struct termios));
443
+
}
444
+
__weak int kernel_termios_to_user_termios(struct termios __user *u,
445
+
struct ktermios *k)
446
+
{
447
+
return copy_to_user(u, k, sizeof(struct termios));
448
+
}
449
+
#endif /* TCGETS2 */
450
+
377
451
/**
378
452
* set_termios - set termios values for a tty
379
453
* @tty: terminal device
+6
-63
include/asm-generic/termios-base.h
+6
-63
include/asm-generic/termios-base.h
···
9
9
10
10
#ifndef __ARCH_TERMIO_GETPUT
11
11
12
-
/*
13
-
* Translate a "termio" structure into a "termios". Ugh.
14
-
*/
15
-
static inline int user_termio_to_kernel_termios(struct ktermios *termios,
16
-
struct termio __user *termio)
17
-
{
18
-
unsigned short tmp;
19
-
20
-
if (get_user(tmp, &termio->c_iflag) < 0)
21
-
goto fault;
22
-
termios->c_iflag = (0xffff0000 & termios->c_iflag) | tmp;
23
-
24
-
if (get_user(tmp, &termio->c_oflag) < 0)
25
-
goto fault;
26
-
termios->c_oflag = (0xffff0000 & termios->c_oflag) | tmp;
27
-
28
-
if (get_user(tmp, &termio->c_cflag) < 0)
29
-
goto fault;
30
-
termios->c_cflag = (0xffff0000 & termios->c_cflag) | tmp;
31
-
32
-
if (get_user(tmp, &termio->c_lflag) < 0)
33
-
goto fault;
34
-
termios->c_lflag = (0xffff0000 & termios->c_lflag) | tmp;
35
-
36
-
if (get_user(termios->c_line, &termio->c_line) < 0)
37
-
goto fault;
38
-
39
-
if (copy_from_user(termios->c_cc, termio->c_cc, NCC) != 0)
40
-
goto fault;
41
-
42
-
return 0;
43
-
44
-
fault:
45
-
return -EFAULT;
46
-
}
47
-
48
-
/*
49
-
* Translate a "termios" structure into a "termio". Ugh.
50
-
*/
51
-
static inline int kernel_termios_to_user_termio(struct termio __user *termio,
52
-
struct ktermios *termios)
53
-
{
54
-
if (put_user(termios->c_iflag, &termio->c_iflag) < 0 ||
55
-
put_user(termios->c_oflag, &termio->c_oflag) < 0 ||
56
-
put_user(termios->c_cflag, &termio->c_cflag) < 0 ||
57
-
put_user(termios->c_lflag, &termio->c_lflag) < 0 ||
58
-
put_user(termios->c_line, &termio->c_line) < 0 ||
59
-
copy_to_user(termio->c_cc, termios->c_cc, NCC) != 0)
60
-
return -EFAULT;
61
-
62
-
return 0;
63
-
}
64
-
65
-
#ifndef user_termios_to_kernel_termios
66
-
#define user_termios_to_kernel_termios(k, u) copy_from_user(k, u, sizeof(struct termios))
67
-
#endif
68
-
69
-
#ifndef kernel_termios_to_user_termios
70
-
#define kernel_termios_to_user_termios(u, k) copy_to_user(u, k, sizeof(struct termios))
71
-
#endif
72
-
73
-
#define user_termios_to_kernel_termios_1(k, u) copy_from_user(k, u, sizeof(struct termios))
74
-
#define kernel_termios_to_user_termios_1(u, k) copy_to_user(u, k, sizeof(struct termios))
12
+
int user_termio_to_kernel_termios(struct ktermios *, struct termio __user *);
13
+
int kernel_termios_to_user_termio(struct termio __user *, struct ktermios *);
14
+
int user_termios_to_kernel_termios(struct ktermios *, struct termios2 __user *);
15
+
int kernel_termios_to_user_termios(struct termios2 __user *, struct ktermios *);
16
+
int user_termios_to_kernel_termios_1(struct ktermios *, struct termios __user *);
17
+
int kernel_termios_to_user_termios_1(struct termios __user *, struct ktermios *);
75
18
76
19
#endif /* __ARCH_TERMIO_GETPUT */
77
20
+8
-87
include/asm-generic/termios.h
+8
-87
include/asm-generic/termios.h
···
14
14
*/
15
15
#define INIT_C_CC "\003\034\177\025\004\0\1\0\021\023\032\0\022\017\027\026\0"
16
16
17
-
/*
18
-
* Translate a "termio" structure into a "termios". Ugh.
19
-
*/
20
-
static inline int user_termio_to_kernel_termios(struct ktermios *termios,
21
-
const struct termio __user *termio)
22
-
{
23
-
unsigned short tmp;
24
-
25
-
if (get_user(tmp, &termio->c_iflag) < 0)
26
-
goto fault;
27
-
termios->c_iflag = (0xffff0000 & termios->c_iflag) | tmp;
28
-
29
-
if (get_user(tmp, &termio->c_oflag) < 0)
30
-
goto fault;
31
-
termios->c_oflag = (0xffff0000 & termios->c_oflag) | tmp;
32
-
33
-
if (get_user(tmp, &termio->c_cflag) < 0)
34
-
goto fault;
35
-
termios->c_cflag = (0xffff0000 & termios->c_cflag) | tmp;
36
-
37
-
if (get_user(tmp, &termio->c_lflag) < 0)
38
-
goto fault;
39
-
termios->c_lflag = (0xffff0000 & termios->c_lflag) | tmp;
40
-
41
-
if (get_user(termios->c_line, &termio->c_line) < 0)
42
-
goto fault;
43
-
44
-
if (copy_from_user(termios->c_cc, termio->c_cc, NCC) != 0)
45
-
goto fault;
46
-
47
-
return 0;
48
-
49
-
fault:
50
-
return -EFAULT;
51
-
}
52
-
53
-
/*
54
-
* Translate a "termios" structure into a "termio". Ugh.
55
-
*/
56
-
static inline int kernel_termios_to_user_termio(struct termio __user *termio,
57
-
struct ktermios *termios)
58
-
{
59
-
if (put_user(termios->c_iflag, &termio->c_iflag) < 0 ||
60
-
put_user(termios->c_oflag, &termio->c_oflag) < 0 ||
61
-
put_user(termios->c_cflag, &termio->c_cflag) < 0 ||
62
-
put_user(termios->c_lflag, &termio->c_lflag) < 0 ||
63
-
put_user(termios->c_line, &termio->c_line) < 0 ||
64
-
copy_to_user(termio->c_cc, termios->c_cc, NCC) != 0)
65
-
return -EFAULT;
66
-
67
-
return 0;
68
-
}
69
-
17
+
int user_termio_to_kernel_termios(struct ktermios *, struct termio __user *);
18
+
int kernel_termios_to_user_termio(struct termio __user *, struct ktermios *);
70
19
#ifdef TCGETS2
71
-
static inline int user_termios_to_kernel_termios(struct ktermios *k,
72
-
struct termios2 __user *u)
73
-
{
74
-
return copy_from_user(k, u, sizeof(struct termios2));
75
-
}
76
-
77
-
static inline int kernel_termios_to_user_termios(struct termios2 __user *u,
78
-
struct ktermios *k)
79
-
{
80
-
return copy_to_user(u, k, sizeof(struct termios2));
81
-
}
82
-
83
-
static inline int user_termios_to_kernel_termios_1(struct ktermios *k,
84
-
struct termios __user *u)
85
-
{
86
-
return copy_from_user(k, u, sizeof(struct termios));
87
-
}
88
-
89
-
static inline int kernel_termios_to_user_termios_1(struct termios __user *u,
90
-
struct ktermios *k)
91
-
{
92
-
return copy_to_user(u, k, sizeof(struct termios));
93
-
}
20
+
int user_termios_to_kernel_termios(struct ktermios *, struct termios2 __user *);
21
+
int kernel_termios_to_user_termios(struct termios2 __user *, struct ktermios *);
22
+
int user_termios_to_kernel_termios_1(struct ktermios *, struct termios __user *);
23
+
int kernel_termios_to_user_termios_1(struct termios __user *, struct ktermios *);
94
24
#else /* TCGETS2 */
95
-
static inline int user_termios_to_kernel_termios(struct ktermios *k,
96
-
struct termios __user *u)
97
-
{
98
-
return copy_from_user(k, u, sizeof(struct termios));
99
-
}
100
-
101
-
static inline int kernel_termios_to_user_termios(struct termios __user *u,
102
-
struct ktermios *k)
103
-
{
104
-
return copy_to_user(u, k, sizeof(struct termios));
105
-
}
25
+
int user_termios_to_kernel_termios(struct ktermios *, struct termios __user *);
26
+
int kernel_termios_to_user_termios(struct termios __user *, struct ktermios *);
106
27
#endif /* TCGETS2 */
107
28
108
29
#endif /* _ASM_GENERIC_TERMIOS_H */