1 | /*- |
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2 | * Copyright (c) 1990, 1993 |
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3 | * The Regents of the University of California. All rights reserved. |
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4 | * (c) UNIX System Laboratories, Inc. |
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5 | * All or some portions of this file are derived from material licensed |
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6 | * to the University of California by American Telephone and Telegraph |
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7 | * Co. or Unix System Laboratories, Inc. and are reproduced herein with |
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8 | * the permission of UNIX System Laboratories, Inc. |
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9 | * |
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10 | * Redistribution and use in source and binary forms, with or without |
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11 | * modification, are permitted provided that the following conditions |
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12 | * are met: |
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13 | * 1. Redistributions of source code must retain the above copyright |
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14 | * notice, this list of conditions and the following disclaimer. |
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15 | * 2. Redistributions in binary form must reproduce the above copyright |
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16 | * notice, this list of conditions and the following disclaimer in the |
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17 | * documentation and/or other materials provided with the distribution. |
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18 | * 3. All advertising materials mentioning features or use of this software |
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19 | * must display the following acknowledgement: |
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20 | * This product includes software developed by the University of |
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21 | * California, Berkeley and its contributors. |
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22 | * 4. Neither the name of the University nor the names of its contributors |
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23 | * may be used to endorse or promote products derived from this software |
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24 | * without specific prior written permission. |
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25 | * |
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26 | * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND |
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27 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
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28 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
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29 | * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE |
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30 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
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31 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
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32 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
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33 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
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34 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
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35 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
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36 | * SUCH DAMAGE. |
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37 | * |
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38 | * @(#)conf.h 8.5 (Berkeley) 1/9/95 |
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39 | * $Id$ |
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40 | */ |
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41 | |
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42 | #ifndef _SYS_CONF_H_ |
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43 | #define _SYS_CONF_H_ |
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44 | |
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45 | /* |
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46 | * Definitions of device driver entry switches |
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47 | */ |
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48 | |
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49 | struct buf; |
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50 | struct proc; |
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51 | struct tty; |
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52 | struct uio; |
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53 | struct vnode; |
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54 | |
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55 | typedef int d_open_t __P((dev_t dev, int oflags, int devtype, struct proc *p)); |
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56 | typedef int d_close_t __P((dev_t dev, int fflag, int devtype, struct proc *p)); |
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57 | typedef void d_strategy_t __P((struct buf *bp)); |
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58 | typedef int d_ioctl_t __P((dev_t dev, int cmd, caddr_t data, |
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59 | int fflag, struct proc *p)); |
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60 | typedef int d_dump_t __P((dev_t dev)); |
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61 | typedef int d_psize_t __P((dev_t dev)); |
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62 | |
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63 | typedef int d_read_t __P((dev_t dev, struct uio *uio, int ioflag)); |
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64 | typedef int d_write_t __P((dev_t dev, struct uio *uio, int ioflag)); |
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65 | typedef void d_stop_t __P((struct tty *tp, int rw)); |
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66 | typedef int d_reset_t __P((dev_t dev)); |
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67 | typedef struct tty *d_devtotty_t __P((dev_t dev)); |
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68 | typedef int d_select_t __P((dev_t dev, int which, struct proc *p)); |
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69 | typedef int d_mmap_t __P((dev_t dev, int offset, int nprot)); |
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70 | |
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71 | typedef int l_open_t __P((dev_t dev, struct tty *tp)); |
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72 | typedef int l_close_t __P((struct tty *tp, int flag)); |
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73 | typedef int l_read_t __P((struct tty *tp, struct uio *uio, int flag)); |
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74 | typedef int l_write_t __P((struct tty *tp, struct uio *uio, int flag)); |
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75 | typedef int l_ioctl_t __P((struct tty *tp, int cmd, caddr_t data, |
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76 | int flag, struct proc *p)); |
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77 | typedef int l_rint_t __P((int c, struct tty *tp)); |
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78 | typedef int l_start_t __P((struct tty *tp)); |
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79 | typedef int l_modem_t __P((struct tty *tp, int flag)); |
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80 | |
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81 | /* |
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82 | * Block device switch table |
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83 | */ |
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84 | struct bdevsw { |
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85 | d_open_t *d_open; |
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86 | d_close_t *d_close; |
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87 | d_strategy_t *d_strategy; |
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88 | d_ioctl_t *d_ioctl; |
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89 | d_dump_t *d_dump; |
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90 | d_psize_t *d_psize; |
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91 | int d_flags; |
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92 | char *d_name; /* name of the driver e.g. audio */ |
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93 | struct cdevsw *d_cdev; /* cross pointer to the cdev */ |
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94 | int d_maj; /* the major number we were assigned */ |
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95 | }; |
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96 | |
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97 | #ifdef KERNEL |
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98 | extern struct bdevsw *bdevsw[]; |
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99 | #endif |
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100 | |
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101 | /* |
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102 | * Character device switch table |
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103 | */ |
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104 | struct cdevsw { |
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105 | d_open_t *d_open; |
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106 | d_close_t *d_close; |
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107 | d_read_t *d_read; |
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108 | d_write_t *d_write; |
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109 | d_ioctl_t *d_ioctl; |
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110 | d_stop_t *d_stop; |
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111 | d_reset_t *d_reset; /* XXX not used */ |
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112 | d_devtotty_t *d_devtotty; |
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113 | d_select_t *d_select; |
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114 | d_mmap_t *d_mmap; |
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115 | d_strategy_t *d_strategy; |
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116 | char *d_name; /* see above */ |
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117 | struct bdevsw *d_bdev; |
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118 | int d_maj; |
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119 | }; |
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120 | |
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121 | #ifdef KERNEL |
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122 | extern struct cdevsw *cdevsw[]; |
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123 | #endif |
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124 | |
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125 | /* |
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126 | * Line discipline switch table |
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127 | */ |
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128 | struct linesw { |
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129 | l_open_t *l_open; |
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130 | l_close_t *l_close; |
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131 | l_read_t *l_read; |
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132 | l_write_t *l_write; |
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133 | l_ioctl_t *l_ioctl; |
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134 | l_rint_t *l_rint; |
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135 | l_start_t *l_start; |
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136 | l_modem_t *l_modem; |
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137 | }; |
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138 | |
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139 | #ifdef KERNEL |
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140 | extern struct linesw linesw[]; |
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141 | extern int nlinesw; |
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142 | |
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143 | int ldisc_register __P((int , struct linesw *)); |
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144 | void ldisc_deregister __P((int)); |
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145 | #define LDISC_LOAD -1 /* Loadable line discipline */ |
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146 | #endif |
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147 | |
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148 | /* |
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149 | * Swap device table |
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150 | */ |
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151 | struct swdevt { |
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152 | dev_t sw_dev; |
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153 | int sw_flags; |
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154 | int sw_nblks; |
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155 | struct vnode *sw_vp; |
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156 | }; |
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157 | #define SW_FREED 0x01 |
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158 | #define SW_SEQUENTIAL 0x02 |
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159 | #define sw_freed sw_flags /* XXX compat */ |
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160 | |
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161 | #ifdef KERNEL |
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162 | d_open_t noopen; |
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163 | d_close_t noclose; |
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164 | d_read_t noread; |
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165 | d_write_t nowrite; |
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166 | d_ioctl_t noioctl; |
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167 | d_stop_t nostop; |
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168 | d_reset_t noreset; |
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169 | d_devtotty_t nodevtotty; |
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170 | d_select_t noselect; |
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171 | d_mmap_t nommap; |
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172 | |
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173 | /* Bogus defines for compatibility. */ |
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174 | #define noioc noioctl |
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175 | #define nostrat nostrategy |
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176 | #define zerosize nopsize |
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177 | /* |
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178 | * XXX d_strategy seems to be unused for cdevs that aren't associated with |
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179 | * bdevs and called without checking for it being non-NULL for bdevs. |
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180 | */ |
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181 | #define nostrategy ((d_strategy_t *)NULL) |
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182 | |
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183 | d_dump_t nodump; |
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184 | |
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185 | /* |
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186 | * nopsize is little used, so not worth having dummy functions for. |
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187 | */ |
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188 | #define nopsize ((d_psize_t *)NULL) |
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189 | |
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190 | d_open_t nullopen; |
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191 | d_close_t nullclose; |
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192 | #define nullstop nostop /* one void return is as good as another */ |
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193 | #define nullreset noreset /* one unused function is as good as another */ |
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194 | |
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195 | d_open_t nxopen; |
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196 | d_close_t nxclose; |
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197 | d_read_t nxread; |
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198 | d_write_t nxwrite; |
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199 | d_ioctl_t nxioctl; |
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200 | #define nxstop nostop /* one void return is as good as another */ |
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201 | #define nxreset noreset /* one unused function is as good as another */ |
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202 | #define nxdevtotty nodevtotty /* one NULL return is as good as another */ |
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203 | d_select_t nxselect; |
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204 | #define nxmmap nommap /* one -1 return is as good as another */ |
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205 | #define nxstrategy nostrategy /* one NULL value is as good as another */ |
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206 | d_dump_t nxdump; |
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207 | #define nxpsize nopsize /* one NULL value is as good as another */ |
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208 | |
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209 | d_read_t rawread; |
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210 | d_write_t rawwrite; |
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211 | |
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212 | l_read_t l_noread; |
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213 | l_write_t l_nowrite; |
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214 | |
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215 | int bdevsw_add __P((dev_t *descrip,struct bdevsw *new,struct bdevsw **old)); |
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216 | int cdevsw_add __P((dev_t *descrip,struct cdevsw *new,struct cdevsw **old)); |
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217 | void cdevsw_make __P((struct bdevsw *from)); |
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218 | void bdevsw_add_generic __P((int bdev, int cdev, struct bdevsw *bdevsw)); |
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219 | dev_t chrtoblk __P((dev_t dev)); |
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220 | int isdisk __P((dev_t dev, int type)); |
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221 | int iskmemdev __P((dev_t dev)); |
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222 | int iszerodev __P((dev_t dev)); |
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223 | void setconf __P((void)); |
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224 | #endif /* KERNEL */ |
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225 | |
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226 | #include <machine/conf.h> |
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227 | |
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228 | #endif /* !_SYS_CONF_H_ */ |
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