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Annotation of cci/sys/stand/conf.c, revision 1.1.1.1

1.1       root        1: /*     conf.c  6.1     83/07/29        */
                      2: 
                      3: #include "../machine/pte.h"
                      4: 
                      5: #include "../h/param.h"
                      6: #include "../h/inode.h"
                      7: #include "../h/fs.h"
                      8: 
                      9: 
                     10: #include "saio.h"
                     11: 
                     12: devread(io)
                     13:        register struct iob *io;
                     14: {
                     15:        int cc;
                     16: 
                     17:        io->i_flgs |= F_RDDATA;
                     18:        io->i_error = 0;
                     19:        cc = (*devsw[io->i_ino.i_dev].dv_strategy)(io, READ);
                     20:        io->i_flgs &= ~F_TYPEMASK;
                     21:        return (cc);
                     22: }
                     23: 
                     24: devwrite(io)
                     25:        register struct iob *io;
                     26: {
                     27:        int cc;
                     28: 
                     29:        io->i_flgs |= F_WRDATA;
                     30:        io->i_error = 0;
                     31:        cc = (*devsw[io->i_ino.i_dev].dv_strategy)(io, WRITE);
                     32:        io->i_flgs &= ~F_TYPEMASK;
                     33:        return (cc);
                     34: }
                     35: 
                     36: devopen(io)
                     37:        register struct iob *io;
                     38: {
                     39: 
                     40:        (*devsw[io->i_ino.i_dev].dv_open)(io);
                     41: }
                     42: 
                     43: devclose(io)
                     44:        register struct iob *io;
                     45: {
                     46: 
                     47:        (*devsw[io->i_ino.i_dev].dv_close)(io);
                     48: }
                     49: 
                     50: 
                     51: /*ARGSUSED*/
                     52: nullsys(io)
                     53:        struct iob *io;
                     54: {
                     55: 
                     56:        ;
                     57: }
                     58: 
                     59: 
                     60: int    nullsys();
                     61: 
                     62: 
                     63: #define wchstrategy    nullsys 
                     64: #define wchopen        nullsys 
                     65: #define ctstrategy     nullsys 
                     66: #define ctopen                 nullsys         
                     67: #define ctclose        nullsys
                     68: 
                     69: int    udstrategy(),   udopen();
                     70: int    vdstrategy(),   vdopen();
                     71: int    cystrategy(),   cyopen(),       cyclose();
                     72: 
                     73: struct devsw devsw[] = {
                     74:        "fsd",  vdstrategy,     vdopen,         nullsys,
                     75:        "smd",  vdstrategy,     vdopen,         nullsys,
                     76:        "xfd",  vdstrategy,     vdopen,         nullsys,
                     77:        "fuj",  vdstrategy,     vdopen,         nullsys,
                     78:        "xsd",  vdstrategy,     vdopen,         nullsys,
                     79: 
                     80:        "xmd",  udstrategy,     udopen,         nullsys,
                     81:        "flp",  udstrategy,     udopen,         nullsys,
                     82:        "cyp",  cystrategy,     cyopen,         cyclose,
                     83:        "wch",  wchstrategy,    wchopen,        nullsys,
                     84:        "ctp",  ctstrategy,     ctopen,         ctclose,
                     85:        0,      0,              0,              0
                     86: };
                     87: 

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