diff options
Diffstat (limited to 'usr.bin/mt/mt.c')
-rw-r--r-- | usr.bin/mt/mt.c | 192 |
1 files changed, 155 insertions, 37 deletions
diff --git a/usr.bin/mt/mt.c b/usr.bin/mt/mt.c index 78d6a9b..c2a6eeb 100644 --- a/usr.bin/mt/mt.c +++ b/usr.bin/mt/mt.c @@ -68,8 +68,16 @@ static const char rcsid[] = #define ZERO_ALLOWED 0x02 #define IS_DENSITY 0x04 #define DISABLE_THIS 0x08 +#define IS_COMP 0x10 #endif /* defined(__FreeBSD__) */ +#ifndef TRUE +#define TRUE 1 +#endif +#ifndef FALSE +#define FALSE 0 +#endif + struct commands { char *c_name; int c_code; @@ -95,12 +103,12 @@ struct commands { { "status", MTNOP, 1 }, { "weof", MTWEOF, 0 }, #if defined(__FreeBSD__) - { "erase", MTERASE, 0 }, + { "erase", MTERASE, 0, ZERO_ALLOWED}, { "blocksize", MTSETBSIZ, 0, NEED_2ARGS|ZERO_ALLOWED }, { "density", MTSETDNSTY, 0, NEED_2ARGS|ZERO_ALLOWED|IS_DENSITY }, { "eom", MTEOD, 1 }, { "eod", MTEOD, 1 }, - { "comp", MTCOMP, 0, NEED_2ARGS|ZERO_ALLOWED }, + { "comp", MTCOMP, 0, NEED_2ARGS|ZERO_ALLOWED|IS_COMP }, { "retension", MTRETENS, 1 }, #endif /* defined(__FreeBSD__) */ { NULL } @@ -113,6 +121,9 @@ void usage __P((void)); void st_status (struct mtget *); int stringtodens (const char *s); const char *denstostring (int d); +int denstobp(int d, int bpi); +u_int32_t stringtocomp(const char *s); +const char * comptostring(u_int32_t comp); void warn_eof __P((void)); #endif /* defined (__FreeBSD__) */ @@ -178,6 +189,14 @@ main(argc, argv) "Using \"%s\" as an alias for %s\n", *argv, dcanon); p = ""; + } else if (!isdigit(**argv) && + comp->c_flags & IS_COMP) { + + mt_com.mt_count = stringtocomp(*argv); + if ((u_int32_t)mt_com.mt_count == 0xf0f0f0f0) + errx(1, "%s: unknown compression", + *argv); + p = ""; } else /* allow for hex numbers; useful for density */ mt_com.mt_count = strtol(*argv, &p, 0); @@ -187,6 +206,7 @@ main(argc, argv) if (mt_com.mt_count <= #if defined (__FreeBSD__) ((comp->c_flags & ZERO_ALLOWED)? -1: 0) + && ((comp->c_flags & IS_COMP) == 0) #else 0 #endif /* defined (__FreeBSD__) */ @@ -344,30 +364,65 @@ usage() struct densities { int dens; + int bpmm; + int bpi; const char *name; -} dens [] = { - { 0x1, "X3.22-1983" }, - { 0x2, "X3.39-1986" }, - { 0x3, "X3.54-1986" }, - { 0x5, "X3.136-1986" }, - { 0x6, "X3.157-1987" }, - { 0x7, "X3.116-1986" }, - { 0x8, "X3.158-1986" }, - { 0x9, "X3B5/87-099" }, - { 0xA, "X3B5/86-199" }, - { 0xB, "X3.56-1986" }, - { 0xC, "HI-TC1" }, - { 0xD, "HI-TC2" }, - { 0xF, "QIC-120" }, - { 0x10, "QIC-150" }, - { 0x11, "QIC-320" }, - { 0x12, "QIC-1350" }, - { 0x13, "X3B5/88-185A" }, - { 0x14, "X3.202-1991" }, - { 0x15, "ECMA TC17" }, - { 0x16, "X3.193-1990" }, - { 0x17, "X3B5/91-174" }, - { 0, 0 } +} dens[] = { + /* + * Taken from T10 Project 997D + * SCSI-3 Stream Device Commands (SSC) + * Revision 11, 4-Nov-97 + */ + /*Num. bpmm bpi Reference */ + { 0x1, 32, 800, "X3.22-1983" }, + { 0x2, 63, 1600, "X3.39-1986" }, + { 0x3, 246, 6250, "X3.54-1986" }, + { 0x5, 315, 8000, "X3.136-1986" }, + { 0x6, 126, 3200, "X3.157-1987" }, + { 0x7, 252, 6400, "X3.116-1986" }, + { 0x8, 315, 8000, "X3.158-1987" }, + { 0x9, 491, 37871, "X3.180" }, + { 0xA, 262, 6667, "X3B5/86-199" }, + { 0xB, 63, 1600, "X3.56-1986" }, + { 0xC, 500, 12690, "HI-TC1" }, + { 0xD, 999, 25380, "HI-TC2" }, + { 0xF, 394, 10000, "QIC-120" }, + { 0x10, 394, 10000, "QIC-150" }, + { 0x11, 630, 16000, "QIC-320" }, + { 0x12, 2034, 51667, "QIC-1350" }, + { 0x13, 2400, 61000, "X3B5/88-185A" }, + { 0x14, 1703, 43245, "X3.202-1991" }, + { 0x15, 1789, 45434, "ECMA TC17" }, + { 0x16, 394, 10000, "X3.193-1990" }, + { 0x17, 1673, 42500, "X3B5/91-174" }, + { 0x18, 1673, 42500, "X3B5/92-50" }, + { 0x1C, 1654, 42000, "QIC-385M" }, + { 0x1D, 1512, 38400, "QIC-410M" }, + { 0x1E, 1385, 36000, "QIC-1000C" }, + { 0x1F, 2666, 67733, "QIC-2100C" }, + { 0x20, 2666, 67733, "QIC-6GB(M)" }, + { 0x21, 2666, 67733, "QIC-20GB(C)" }, + { 0x22, 1600, 40640, "QIC-2GB(C)" }, + { 0x23, 2666, 67733, "QIC-875M" }, + { 0x24, 2400, 61000, "DDS-2" }, + { 0x25, 3816, 97000, "DDS-3" }, + { 0x26, 3816, 97000, "DDS-4" }, + { 0x27, 3056, 77611, "Mammoth" }, + { 0x28, 1491, 37871, "X3.224" }, + { 0, 0, 0, NULL } +}; + +struct compression_types { + u_int32_t comp_number; + const char *name; +} comp_types[] = { + { 0x00, "none" }, + { 0x00, "off" }, + { 0x10, "IDRC" }, + { 0x20, "DCLZ" }, + { 0xffffffff, "enable" }, + { 0xffffffff, "on" }, + { 0xf0f0f0f0, NULL} }; const char * @@ -386,6 +441,28 @@ denstostring(int d) return sd->name; } +/* + * Given a specific density number, return either the bits per inch or bits + * per millimeter for the given density. + */ +int +denstobp(int d, int bpi) +{ + struct densities *sd; + + for (sd = dens; sd->dens; sd++) + if (sd->dens == d) + break; + if (sd->dens == 0) + return(0); + else { + if (bpi) + return(sd->bpi); + else + return(sd->bpmm); + } +} + int stringtodens(const char *s) { @@ -406,26 +483,67 @@ getblksiz(int bs) if (bs == 0) return "variable"; else { - sprintf(buf, "= %d bytes", bs); + sprintf(buf, "%d bytes", bs); return buf; } } +const char * +comptostring(u_int32_t comp) +{ + static char buf[20]; + struct compression_types *ct; + + if (comp == MT_COMP_DISABLED) + return "disabled"; + else if (comp == MT_COMP_UNSUPP) + return "unsupported"; + + for (ct = comp_types; ct->name; ct++) + if (ct->comp_number == comp) + break; + + if (ct->comp_number == 0xf0f0f0f0) { + sprintf(buf, "0x%2x", comp); + return(buf); + } else + return(ct->name); +} + +u_int32_t +stringtocomp(const char *s) +{ + struct compression_types *ct; + size_t l = strlen(s); + + for (ct = comp_types; ct->name; ct++) + if (strncasecmp(ct->name, s, l) == 0) + break; + + return(ct->comp_number); +} void st_status(struct mtget *bp) { - printf("Present Mode: Density = %-12s Blocksize %s Comp %d\n", - denstostring(bp->mt_density), getblksiz(bp->mt_blksiz), (int)bp->mt_comp); - printf("---------available modes---------\n"); - printf("Mode 0: Density = %-12s Blocksize %s\n", - denstostring(bp->mt_density0), getblksiz(bp->mt_blksiz0)); - printf("Mode 1: Density = %-12s Blocksize %s\n", - denstostring(bp->mt_density1), getblksiz(bp->mt_blksiz1)); - printf("Mode 2: Density = %-12s Blocksize %s\n", - denstostring(bp->mt_density2), getblksiz(bp->mt_blksiz2)); - printf("Mode 3: Density = %-12s Blocksize %s\n", - denstostring(bp->mt_density3), getblksiz(bp->mt_blksiz3)); + printf("Mode Density Blocksize bpi " + "Compression\n" + "Current: %-12s %-12s %-7d %s\n" + "---------available modes---------\n" + "0: %-12s %-12s %-7d %s\n" + "1: %-12s %-12s %-7d %s\n" + "2: %-12s %-12s %-7d %s\n" + "3: %-12s %-12s %-7d %s\n", + denstostring(bp->mt_density), getblksiz(bp->mt_blksiz), + denstobp(bp->mt_density, TRUE), comptostring(bp->mt_comp), + denstostring(bp->mt_density0), getblksiz(bp->mt_blksiz0), + denstobp(bp->mt_density0, TRUE), comptostring(bp->mt_comp0), + denstostring(bp->mt_density1), getblksiz(bp->mt_blksiz1), + denstobp(bp->mt_density1, TRUE), comptostring(bp->mt_comp1), + denstostring(bp->mt_density2), getblksiz(bp->mt_blksiz2), + denstobp(bp->mt_density2, TRUE), comptostring(bp->mt_comp2), + denstostring(bp->mt_density3), getblksiz(bp->mt_blksiz3), + denstobp(bp->mt_density3, TRUE), comptostring(bp->mt_comp3)); } void |