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comstats.h
资源名称：arm_cross-3.4.4.tar.gz　[点击查看]
上传用户：szlgq88
上传日期：2009-04-28
资源大小：48287k
文件大小：3k
源码类别：

嵌入式Linux

开发平台：

Unix_Linux

comstats.h：源码内容
  1. /*****************************************************************************/
  3. /*
  4.  * comstats.h  -- Serial Port Stats.
  5.  *
  6.  * Copyright (C) 1996-1998  Stallion Technologies
  7.  * Copyright (C) 1994-1996  Greg Ungerer.
  8.  *
  9.  * This program is free software; you can redistribute it and/or modify
  10.  * it under the terms of the GNU General Public License as published by
  11.  * the Free Software Foundation; either version 2 of the License, or
  12.  * (at your option) any later version.
  13.  *
  14.  * This program is distributed in the hope that it will be useful,
  15.  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  16.  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17.  * GNU General Public License for more details.
  18.  *
  19.  * You should have received a copy of the GNU General Public License
  20.  * along with this program; if not, write to the Free Software
  21.  * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  22.  */
  24. /*****************************************************************************/
  25. #ifndef _COMSTATS_H
  26. #define _COMSTATS_H
  27. /*****************************************************************************/
  29. /*
  30.  * Serial port stats structure. The structure itself is UART
  31.  * independent, but some fields may be UART/driver specific (for
  32.  * example state).
  33.  */
  35. typedef struct {
  36. unsigned long brd;
  37. unsigned long panel;
  38. unsigned long port;
  39. unsigned long hwid;
  40. unsigned long type;
  41. unsigned long txtotal;
  42. unsigned long rxtotal;
  43. unsigned long txbuffered;
  44. unsigned long rxbuffered;
  45. unsigned long rxoverrun;
  46. unsigned long rxparity;
  47. unsigned long rxframing;
  48. unsigned long rxlost;
  49. unsigned long txbreaks;
  50. unsigned long rxbreaks;
  51. unsigned long txxon;
  52. unsigned long txxoff;
  53. unsigned long rxxon;
  54. unsigned long rxxoff;
  55. unsigned long txctson;
  56. unsigned long txctsoff;
  57. unsigned long rxrtson;
  58. unsigned long rxrtsoff;
  59. unsigned long modem;
  60. unsigned long state;
  61. unsigned long flags;
  62. unsigned long ttystate;
  63. unsigned long cflags;
  64. unsigned long iflags;
  65. unsigned long oflags;
  66. unsigned long lflags;
  67. unsigned long signals;
  68. } comstats_t;
  71. /*
  72.  * Board stats structure. Returns useful info about the board.
  73.  */
  75. #define COM_MAXPANELS 8
  77. typedef struct {
  78. unsigned long panel;
  79. unsigned long type;
  80. unsigned long hwid;
  81. unsigned long nrports;
  82. } companel_t;
  84. typedef struct {
  85. unsigned long brd;
  86. unsigned long type;
  87. unsigned long hwid;
  88. unsigned long state;
  89. unsigned long ioaddr;
  90. unsigned long ioaddr2;
  91. unsigned long memaddr;
  92. unsigned long irq;
  93. unsigned long nrpanels;
  94. unsigned long nrports;
  95. companel_t panels[COM_MAXPANELS];
  96. } combrd_t;
  99. /*
  100.  * Define the ioctl operations for stats stuff.
  101.  */
  102. #include <linux/ioctl.h>
  104. #define COM_GETPORTSTATS _IO('c',30)
  105. #define COM_CLRPORTSTATS _IO('c',31)
  106. #define COM_GETBRDSTATS _IO('c',32)
  109. /*
  110.  * Define the set of ioctls that give user level access to the
  111.  * private port, panel and board structures. The argument required
  112.  * will be driver dependent!  
  113.  */
  114. #define COM_READPORT _IO('c',40)
  115. #define COM_READBOARD _IO('c',41)
  116. #define COM_READPANEL _IO('c',42)
  118. /*****************************************************************************/
  119. #endif