ia64/linux-2.6.18-xen.hg

view drivers/char/digi.h @ 893:f994bfe9b93b

linux/blktap2: reduce TLB flush scope

c/s 885 added very coarse TLB flushing. Since these flushes always
follow single page updates, single page flushes (when available) are
sufficient.

Signed-off-by: Jan Beulich <jbeulich@novell.com>
author Keir Fraser <keir.fraser@citrix.com>
date Thu Jun 04 10:32:57 2009 +0100 (2009-06-04)
parents 831230e53067
children
line source
1 /* Definitions for DigiBoard ditty(1) command. */
3 #if !defined(TIOCMODG)
4 #define TIOCMODG (('d'<<8) | 250) /* get modem ctrl state */
5 #define TIOCMODS (('d'<<8) | 251) /* set modem ctrl state */
6 #endif
8 #if !defined(TIOCMSET)
9 #define TIOCMSET (('d'<<8) | 252) /* set modem ctrl state */
10 #define TIOCMGET (('d'<<8) | 253) /* set modem ctrl state */
11 #endif
13 #if !defined(TIOCMBIC)
14 #define TIOCMBIC (('d'<<8) | 254) /* set modem ctrl state */
15 #define TIOCMBIS (('d'<<8) | 255) /* set modem ctrl state */
16 #endif
18 #if !defined(TIOCSDTR)
19 #define TIOCSDTR (('e'<<8) | 0) /* set DTR */
20 #define TIOCCDTR (('e'<<8) | 1) /* clear DTR */
21 #endif
23 /************************************************************************
24 * Ioctl command arguments for DIGI parameters.
25 ************************************************************************/
26 #define DIGI_GETA (('e'<<8) | 94) /* Read params */
28 #define DIGI_SETA (('e'<<8) | 95) /* Set params */
29 #define DIGI_SETAW (('e'<<8) | 96) /* Drain & set params */
30 #define DIGI_SETAF (('e'<<8) | 97) /* Drain, flush & set params */
32 #define DIGI_GETFLOW (('e'<<8) | 99) /* Get startc/stopc flow */
33 /* control characters */
34 #define DIGI_SETFLOW (('e'<<8) | 100) /* Set startc/stopc flow */
35 /* control characters */
36 #define DIGI_GETAFLOW (('e'<<8) | 101) /* Get Aux. startc/stopc */
37 /* flow control chars */
38 #define DIGI_SETAFLOW (('e'<<8) | 102) /* Set Aux. startc/stopc */
39 /* flow control chars */
41 struct digiflow_struct {
42 unsigned char startc; /* flow cntl start char */
43 unsigned char stopc; /* flow cntl stop char */
44 };
46 typedef struct digiflow_struct digiflow_t;
49 /************************************************************************
50 * Values for digi_flags
51 ************************************************************************/
52 #define DIGI_IXON 0x0001 /* Handle IXON in the FEP */
53 #define DIGI_FAST 0x0002 /* Fast baud rates */
54 #define RTSPACE 0x0004 /* RTS input flow control */
55 #define CTSPACE 0x0008 /* CTS output flow control */
56 #define DSRPACE 0x0010 /* DSR output flow control */
57 #define DCDPACE 0x0020 /* DCD output flow control */
58 #define DTRPACE 0x0040 /* DTR input flow control */
59 #define DIGI_FORCEDCD 0x0100 /* Force carrier */
60 #define DIGI_ALTPIN 0x0200 /* Alternate RJ-45 pin config */
61 #define DIGI_AIXON 0x0400 /* Aux flow control in fep */
64 /************************************************************************
65 * Structure used with ioctl commands for DIGI parameters.
66 ************************************************************************/
67 struct digi_struct {
68 unsigned short digi_flags; /* Flags (see above) */
69 };
71 typedef struct digi_struct digi_t;