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Annotation of researchv9/sys.vax/h/conf.h, revision 1.1

1.1     ! root        1: /*
        !             2:  * Declaration of block device
        !             3:  * switch. Each entry (row) is
        !             4:  * the only link between the
        !             5:  * main unix code and the driver.
        !             6:  * The initialization of the
        !             7:  * device switches is in the
        !             8:  * file conf.c.
        !             9:  */
        !            10: struct bdevsw
        !            11: {
        !            12:        int     (*d_open)();
        !            13:        int     (*d_close)();
        !            14:        int     (*d_strategy)();
        !            15:        int     (*d_dump)();
        !            16:        int     d_flags;
        !            17: };
        !            18: #ifdef KERNEL
        !            19: struct bdevsw bdevsw[];
        !            20: #endif
        !            21: 
        !            22: /*
        !            23:  * Character device switch.
        !            24:  */
        !            25: extern struct cdevsw
        !            26: {
        !            27:        int     (*d_open)();
        !            28:        int     (*d_close)();
        !            29:        int     (*d_read)();
        !            30:        int     (*d_write)();
        !            31:        int     (*d_ioctl)();
        !            32:        int     (*d_reset)();
        !            33:        struct  streamtab *qinfo;
        !            34: };
        !            35: #ifdef KERNEL
        !            36: struct cdevsw cdevsw[];
        !            37: #endif
        !            38: 
        !            39: /* file system types */
        !            40: struct fstypsw {
        !            41:        int             (*t_put)();
        !            42:        struct inode    *(*t_get)();
        !            43:        int             (*t_free)();
        !            44:        int             (*t_updat)();
        !            45:        int             (*t_read)();
        !            46:        int             (*t_write)();
        !            47:        int             (*t_trunc)();
        !            48:        int             (*t_stat)();
        !            49:        int             (*t_nami)();
        !            50:        int             (*t_mount)();
        !            51:        int             (*t_ioctl)();
        !            52:        struct inode *  (*t_open)();
        !            53: };
        !            54: #ifdef KERNEL
        !            55: extern struct fstypsw fstypsw[];
        !            56: extern nfstyp;
        !            57: /* defaults for fstypsw */
        !            58: extern struct inode *nullget();
        !            59: extern int nullnami();
        !            60: extern struct inode *nullopen();
        !            61: #endif
        !            62: 
        !            63: /*
        !            64:  * stream processor table
        !            65:  */
        !            66: extern struct streamtab {
        !            67:        struct  qinit   *rdinit;
        !            68:        struct  qinit   *wrinit;
        !            69: } *streamtab[];
        !            70: 
        !            71: /*
        !            72:  * Swap device information
        !            73:  */
        !            74: struct swdevt
        !            75: {
        !            76:        dev_t   sw_dev;
        !            77:        int     sw_freed;
        !            78: };
        !            79: #ifdef KERNEL
        !            80: struct swdevt swdevt[];
        !            81: #endif

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