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Annotation of 43BSDTahoe/sys/tahoevba/psreg.h, revision 1.1

1.1     ! root        1: /*
        !             2:  *     @(#)psreg.h     7.1 (Berkeley) 5/21/88
        !             3:  */
        !             4: 
        !             5: #ifndef _PSREG_
        !             6: #define _PSREG_
        !             7: /*
        !             8:  * PS300 definitions.
        !             9:  */
        !            10: #ifndef KERNEL
        !            11: #include <sys/ioctl.h>
        !            12: #else
        !            13: #include "../h/ioctl.h"
        !            14: #endif
        !            15: 
        !            16: struct  pslookup {
        !            17:         int     pl_len;                 /* length of name string */
        !            18:         char    *pl_name;               /* address of name string */
        !            19:         u_long  pl_addr;                /* symbol's address */
        !            20: };
        !            21: 
        !            22: /*
        !            23:  * Maximum string which may be supplied for lookup.
        !            24:  */
        !            25: #define PS_MAXNAMELEN   256             /* must be <= PSMAXDMA */
        !            26: 
        !            27: /*
        !            28:  * When doing physical i/o, one may specify the address
        !            29:  * and whether or not refresh sync should is required with
        !            30:  * a null iovec descriptor (iov_len = 0).
        !            31:  */
        !            32: #define PSIO_SYNC       1               /* do physical write w/ refresh sync */
        !            33: 
        !            34: /*
        !            35:  * Ioctl requests.
        !            36:  */
        !            37: #define PSIOGETERROR    _IOR('p', 0, int)                 /* get last error */
        !            38: #define PSIOLOOKUP      _IOWR('p', 1, struct pslookup)    /* do name lookup */
        !            39: #define PSIORWLOGICAL   _IOWR('p', 2, int)                /* set i/o mode */
        !            40: 
        !            41: /*
        !            42:  * Error codes returned by PSIOGETERROR are either
        !            43:  * returned by the PS300 or, from the list below,
        !            44:  * generated by the device driver.
        !            45:  */
        !            46: #define PSERROR_DIOTIMO         1       /* timeout during dioread/diowrite */
        !            47: #define PSERROR_INVALBC         2       /* invalid byte count for read/write */
        !            48: #define PSERROR_BADADDR         3       /* invalid address for read/write */
        !            49: #define PSERROR_BADCMD          4       /* invalid command in ikstart */
        !            50: #define PSERROR_NAMETIMO        5       /* timeout during nameaddr dioread */
        !            51: #define PSERROR_CMDTIMO         6       /* operation timed out */
        !            52: #endif

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