base/sums/libs/api/tape.h

/* tape.h
 *
*/

#ifndef TAPE_INCL
#define TAPE_INCL      1

#include <SUM.h>

#ifdef SUMDC
#define MAX_SLOTS 30
#define NUM_IMP_EXP_SLOTS 5  /* assumes these slots are the highest slot#s */
#define MAX_SLOTS_LIVE (MAX_SLOTS - NUM_IMP_EXP_SLOTS)
#define MAX_DRIVES 1
#define MAX_GROUPS 1024
#define MAX_AVAIL_BLOCKS 1600000000      /* max (512) blocks on a t50 tape */
#define TAR_FILE_SZ 500000000   /* try to make a tar file this many bytes */
#define TAR_FILE_SZ_BLKS 976563 /* TAR_FILE_SZ/512 */
#define LIBDEV "/dev/t50"
/* If /dev/ name in this file then override the LIBDEV above */
#define LIBDEVFILE "/home/jim/cvs/JSOC/base/sums/apps/data/libdevfile_50.cfg"
#define SUMDR0 "/dev/nst0"
#define SUMDR  "/dev/nst"
#define GTARBLOCK 256   /* the gtar default is this */
#define UNLOADDUMP "/tmp/t50_unload_dump.out"
#define UNLOADCMD "/usr/sbin/mtx -f /dev/t50 unload"
#define POSITIONDUMP "/tmp/t50_position_dump.out"
#elif SUMT950
#define MAX_SLOTS 2240
#define NUM_IMP_EXP_SLOTS 50  /* assumes these slots are the highest slot#s */
#define MAX_SLOTS_LIVE (MAX_SLOTS - NUM_IMP_EXP_SLOTS)
#define MAX_DRIVES 12
#define MAX_GROUPS 1024
/*#define MAX_AVAIL_BLOCKS 1600000000     /* max (512) blocks on a LTO4 tape */
#define MAX_AVAIL_BLOCKS 4800000000      /* max (512) blocks on a LT06 tape */
#define TAR_FILE_SZ 500000000   /* try to make a tar file this many bytes */
#define TAR_FILE_SZ_BLKS 976563 /* TAR_FILE_SZ/512 */
#define LIBDEV "/dev/t950"
/* If /dev/ name in this file then override the LIBDEV above */
#define LIBDEVFILE "/home/production/cvs/JSOC/tables/libdevfile.cfg"
#define SUMDR0 "/dev/sum_nst0"
#define SUMDR1 "/dev/sum_nst1"
#define SUMDR2 "/dev/sum_nst2"
#define SUMDR3 "/dev/sum_nst3"
#define SUMDR4 "/dev/sum_nst4"
#define SUMDR5 "/dev/sum_nst5"
#define SUMDR6 "/dev/sum_nst6"
#define SUMDR7 "/dev/sum_nst7"
#define SUMDR8 "/dev/sum_nst8"
#define SUMDR9 "/dev/sum_nst9"
#define SUMDR10 "/dev/sum_nst10"
#define SUMDR11 "/dev/sum_nst11"
#define SUMDR  "/dev/sum_nst"
#define GTARBLOCK 256   /* the gtar default is this */
#define UNLOADDUMP "/tmp/t950_unload_dump.out"
#define UNLOADCMD "/usr/sbin/mtx -f /dev/t950 unload"
#define POSITIONDUMP "/tmp/t950_position_dump.out"
#elif SUMT120
#define SUMDR0 "/dev/nst0"
#define SUMDR1 "/dev/nst1"
#define SUMDR2 "/dev/nst2"
#define SUMDR3 "/dev/nst3"
#define SUMDR  "/dev/nst"
//#define SUMDR0 "/dev/sum_nst0"
//#define SUMDR1 "/dev/sum_nst1"
//#define SUMDR2 "/dev/sum_nst2"
//#define SUMDR3 "/dev/sum_nst3"
#define SUMDR4 "/dev/sum_nst4"
#define SUMDR5 "/dev/sum_nst5"
#define SUMDR6 "/dev/sum_nst6"
#define SUMDR7 "/dev/sum_nst7"
#define SUMDR8 "/dev/sum_nst8"
#define SUMDR9 "/dev/sum_nst9"
#define SUMDR10 "/dev/sum_nst10"
#define SUMDR11 "/dev/sum_nst11"
#define MAX_SLOTS 128
#define NUM_IMP_EXP_SLOTS 8  /* assumes these slots are the highest slot#s */
#define MAX_SLOTS_LIVE (MAX_SLOTS - NUM_IMP_EXP_SLOTS)
#define MAX_DRIVES 4
#define MAX_GROUPS 1024
#define MAX_AVAIL_BLOCKS 1000000000 /* max (512) blocks on a t120 tape */
#define TAR_FILE_SZ 500000000   /* try to make a tar file this many bytes */
#define TAR_FILE_SZ_BLKS 976563 /* TAR_FILE_SZ/512 */
#define LIBDEV "/dev/sg12"
/* If /dev/ name in this file then override the LIBDEV above */
#define LIBDEVFILE "/home/production/cvs/JSOC/base/sums/apps/data/libdevfile.cfg"
#define GTARBLOCK 256   /* the gtar default is this */
#define UNLOADDUMP "/tmp/t120_unload_dump.out"
#define UNLOADCMD "/usr/sbin/mtx -f /dev/sg12 unload"
#define POSITIONDUMP "/tmp/t120_position_dump.out"
#endif

/* tapemode values in DRIVE struct */
#define TAPE_NOT_LOADED 0 /* no tape in drive */
#define TAPE_RD_INIT 1  /* tape just loaded for a read */
#define TAPE_RD_CONT 2  /* subsequent tape read. filenum now valid */

/* closed values in TAPE struct for writting status */
/* NOTE: if change here check use in libSUM.d sql */
#define TAPEUNINIT -1   /* tape uninitialized (no file 0 label) */
#define TAPEACTIVE 1    /* tape is open for writting */
#define TAPECLOSED 2    /* tape closed. no further writting */
#define TAPECLOSEDREJECT 3 /* special status sent to tapearc when next q */
               /* entry is for an already closed tape */

typedef struct {
  int slotnum;      /* slot number from 1 to MAX_SLOTS */
  char *tapeid;     /* tape id in this slot */
} SLOT;

typedef struct {
  uint64_t sumid;   /* identifies who is using the drive */
  int busy;
  int lock;
  //int to; (OLD)   /* timeout set by alrm_sig, cleared when wt a tape */
  int to;       /* 1= timeout active for a read for a uid */
  int tocnt;        /* dec by alrm_sig(). Timeout has occured when 0 */
  int tapemode;     /* TAPE_NOT_LOADED, TAPE_RD_INIT, TAPE_RD_CONT */
  int slotnum;      /* slot# where the cartridge in the drive belongs */
  int filenum;      /* file # starting at 0 (rewound) */
  int blocknum;     /* tape block# from mt tell command */
  int offline;      /* =1 when drive set offline by driveonoff utility */
  char *tapeid;     /* tape id in this drive */
} DRIVE;

typedef struct {
  /* NOTE: file numbers start at 0 (tape rewound or just loaded) */
  /* File # 0 is always the tape label */
  char *tapeid;         /* tape id of this tape */
  int nxtwrtfn;     /* next file# to write */
  int spare;        /* reserved for future use */
  int group_id;     /* tape belongs to this group# */
  uint64_t availblocks; /* avail 512 byte blocks left on tape */
  int closed;       /* -1=uninitialized, 1=active, 2=tape closed */
  char *last_access;    /* date of last write(?) to tape */
} TAPE;

#endif  

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