moved def of st structure from drivers

[unix-history] / usr / src / sys / stand.att / saio.h

diff --git a/usr/src/sys/stand.att/saio.h b/usr/src/sys/stand.att/saio.h
index 1def156..ba424a5 100644 (file)
--- a/usr/src/sys/stand.att/saio.h
+++ b/usr/src/sys/stand.att/saio.h
@@ -1,4 +1,4 @@
-/*     saio.h  4.5     %G%     */
+/*     saio.h  4.9     %G%     */

 
 /*
  * header file for standalone package
 
 /*
  * header file for standalone package


@@ -10,7 +10,7 @@
  * and a buffer.
  */
 struct iob {
  * and a buffer.
  */
 struct iob {

-       char    i_flgs;
+       int     i_flgs;

        struct  inode i_ino;
        int     i_unit;
        daddr_t i_boff;
        struct  inode i_ino;
        int     i_unit;
        daddr_t i_boff;


@@ -19,6 +19,10 @@ struct       iob {
        daddr_t i_bn;
        char    *i_ma;
        int     i_cc;
        daddr_t i_bn;
        char    *i_ma;
        int     i_cc;

+       int     i_error;
+       int     i_errcnt;
+       int     i_errblk;
+       int     i_active;

        char    i_buf[MAXBSIZE];
        union {
                struct fs ui_fs;
        char    i_buf[MAXBSIZE];
        union {
                struct fs ui_fs;


@@ -26,11 +30,22 @@ struct      iob {
        } i_un;
 };
 #define i_fs i_un.ui_fs
        } i_un;
 };
 #define i_fs i_un.ui_fs

+#define NULL 0

 
 

-#define F_READ 01
-#define F_WRITE        02
-#define F_ALLOC        04
-#define F_FILE 010
+#define F_READ         0x1     /* file opened for reading */
+#define F_WRITE                0x2     /* file opened for writing */
+#define F_ALLOC                0x4     /* buffer allocated */
+#define F_FILE         0x8     /* file instead of device */
+#define F_NBSF         0x10    /* no bad sector forwarding */
+#define F_ECCLM                0x20    /* limit the number of bad bits accepted in ecc's */
+/* io types */
+#define        F_RDDATA        0x0100  /* read data */
+#define        F_WRDATA        0x0200  /* write data */
+#define F_HDR          0x0400  /* include header on next i/o */
+#define F_CHECK                0x0800  /* perform check of data read/write */
+#define F_HCHECK       0x1000  /* perform check of header and data */
+
+#define        F_TYPEMASK      0xff00

 
 /*
  * dev switch
 
 /*
  * dev switch


@@ -40,10 +55,19 @@ struct devsw {
        int     (*dv_strategy)();
        int     (*dv_open)();
        int     (*dv_close)();
        int     (*dv_strategy)();
        int     (*dv_open)();
        int     (*dv_close)();

+       int     (*dv_ioctl)();

 };
 
 struct devsw devsw[];
 
 };
 
 struct devsw devsw[];
 

+struct st {
+       short   nsect;  /* number of sectors per track */
+       short   ntrak;  /* number of tracks/surfaces/heads... */
+       short   nspc;   /* number of sectors per cylinder */
+       short   ncyl;   /* number of cylinders */
+       short   *off;
+};
+

 /*
  * request codes. Must be the same a F_XXX above
  */
 /*
  * request codes. Must be the same a F_XXX above
  */


@@ -57,3 +81,39 @@ daddr_t      blknos[NBUFS];
 
 #define NFILES 4
 struct iob iob[NFILES];
 
 #define NFILES 4
 struct iob iob[NFILES];

+
+#define        PHYSUBA0        0x20006000
+#define        PHYSMBA0        0x20010000
+#define        PHYSMBA1        0x20012000
+#define        PHYSUMEM        0x2013e000
+
+extern int errno;      /* just like unix */
+
+/* error codes */
+#define        EBADF   1       /* bad file descriptor */
+#define        EOFFSET 2       /* relative seek not supported */
+#define        EDEV    3       /* improper device specification on open */
+#define        ENXIO   4       /* unknown device specified */
+#define        EUNIT   5       /* improper unit specification */
+#define        ESRCH   6       /* directory search for file failed */
+#define        EIO     7       /* generic error */
+#define ECMD   10      /* undefined driver command */
+#define EBSE   11      /* bad sector error */
+#define EWCK   12      /* write check error */
+#define EHER   13      /* hard error */
+#define EECC   14      /* severe ecc error, sector recorded as bad*/
+
+/* ioctl's -- for disks just now */
+#define        SAIOHDR         (('d'<<8)|1)    /* next i/o includes header */
+#define        SAIOCHECK       (('d'<<8)|2)    /* next i/o checks data */
+#define        SAIOHCHECK      (('d'<<8)|3)    /* next i/o checks header & data */
+#define        SAIONOBAD       (('d'<<8)|4)    /* inhibit bad sector forwarding */
+#define        SAIODOBAD       (('d'<<8)|5)    /* do bad sector forwarding */
+#define        SAIOECCLIM      (('d'<<8)|6)    /* report sectors as bad if more than
+                                        * 5 bits are bad in ecc */
+#define        SAIOECCUNL      (('d'<<8)|7)    /* use standard ecc procedures */
+#define SAIODEVDATA    (('d'<<8)|8)    /* get device data */
+
+/* codes for sector header word 1 */
+#define HDR1_FMT22     0x1000  /* standard 16 bit format */
+#define HDR1_OKSCT     0xc000  /* sector ok */