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authorRalf Baechle <ralf@linux-mips.org>1997-04-29 21:13:14 +0000
committer <ralf@linux-mips.org>1997-04-29 21:13:14 +0000
commit19c9bba94152148523ba0f7ef7cffe3d45656b11 (patch)
tree40b1cb534496a7f1ca0f5c314a523c69f1fee464 /include/asm-m68k/termios.h
parent7206675c40394c78a90e74812bbdbf8cf3cca1be (diff)
Import of Linux/MIPS 2.1.36
Diffstat (limited to 'include/asm-m68k/termios.h')
-rw-r--r--include/asm-m68k/termios.h48
1 files changed, 27 insertions, 21 deletions
diff --git a/include/asm-m68k/termios.h b/include/asm-m68k/termios.h
index 4bedde47f..3c022c3c8 100644
--- a/include/asm-m68k/termios.h
+++ b/include/asm-m68k/termios.h
@@ -53,37 +53,43 @@ struct termio {
#define N_PPP 3
#define N_STRIP 4
#define N_AX25 5
+#define N_X25 6 /* X.25 async */
#ifdef __KERNEL__
/*
* Translate a "termio" structure into a "termios". Ugh.
*/
-extern inline void trans_from_termio(struct termio * termio,
- struct termios * termios)
-{
-#define SET_LOW_BITS(x,y) ((x) = (0xffff0000 & (x)) | (y))
- SET_LOW_BITS(termios->c_iflag, termio->c_iflag);
- SET_LOW_BITS(termios->c_oflag, termio->c_oflag);
- SET_LOW_BITS(termios->c_cflag, termio->c_cflag);
- SET_LOW_BITS(termios->c_lflag, termio->c_lflag);
-#undef SET_LOW_BITS
- memcpy(termios->c_cc, termio->c_cc, NCC);
-}
+#define user_termio_to_kernel_termios(termios, termio) \
+({ \
+ unsigned short tmp; \
+ get_user(tmp, &(termio)->c_iflag); \
+ (termios)->c_iflag = (0xffff0000 & ((termios)->c_iflag)) | tmp; \
+ get_user(tmp, &(termio)->c_oflag); \
+ (termios)->c_oflag = (0xffff0000 & ((termios)->c_oflag)) | tmp; \
+ get_user(tmp, &(termio)->c_cflag); \
+ (termios)->c_cflag = (0xffff0000 & ((termios)->c_cflag)) | tmp; \
+ get_user(tmp, &(termio)->c_lflag); \
+ (termios)->c_lflag = (0xffff0000 & ((termios)->c_lflag)) | tmp; \
+ get_user((termios)->c_line, &(termio)->c_line); \
+ copy_from_user((termios)->c_cc, (termio)->c_cc, NCC); \
+})
/*
* Translate a "termios" structure into a "termio". Ugh.
*/
-extern inline void trans_to_termio(struct termios * termios,
- struct termio * termio)
-{
- termio->c_iflag = termios->c_iflag;
- termio->c_oflag = termios->c_oflag;
- termio->c_cflag = termios->c_cflag;
- termio->c_lflag = termios->c_lflag;
- termio->c_line = termios->c_line;
- memcpy(termio->c_cc, termios->c_cc, NCC);
-}
+#define kernel_termios_to_user_termio(termio, termios) \
+({ \
+ put_user((termios)->c_iflag, &(termio)->c_iflag); \
+ put_user((termios)->c_oflag, &(termio)->c_oflag); \
+ put_user((termios)->c_cflag, &(termio)->c_cflag); \
+ put_user((termios)->c_lflag, &(termio)->c_lflag); \
+ put_user((termios)->c_line, &(termio)->c_line); \
+ copy_to_user((termio)->c_cc, (termios)->c_cc, NCC); \
+})
+
+#define user_termios_to_kernel_termios(k, u) copy_from_user(k, u, sizeof(struct termios))
+#define kernel_termios_to_user_termios(u, k) copy_to_user(u, k, sizeof(struct termios))
#endif /* __KERNEL__ */