1 /* 2 * @(#)psreg.h 7.1 (Berkeley) 05/21/88 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 53