Annotation of researchv10dc/cmd/worm/oscsi/wren/rmode.c, revision 1.1.1.1

1.1       root        1: #include       <stdio.h>
                      2: #include       "../scsi.h"
                      3: #include       "../scsish.h"
                      4: #include       "fns.h"
                      5: 
                      6: #define        SHORT(n)        ((ret.data[n]<<8)|(ret.data[n+1]))
                      7: 
                      8: static int
                      9: er_w6(int pcf, char *err)
                     10: {
                     11:        struct scsi_cmd cmd;
                     12:        struct scsi_return ret;
                     13:        int n;
                     14:        static char *bit[8] = { "DCR", "DTE", "PER", "EEC", "RC", "TB", "ARRE", "AWRE" };
                     15: 
                     16:        set6(cmd, 0x1A, 0, (pcf<<6)|0x01, 0, 20, 0);
                     17:        if(n = s_io(0, &cmd, 0, &ret, 20, err))
                     18:                return(n);
                     19:        printf("error recovery:\n\t");
                     20:        for(n = 7; n >= 0; n--)
                     21:                printf(" %s%s", (ret.data[14]&(1<<n))? "":"~", bit[n]);
                     22:        printf("\n\t%d retries, max ecc span=%d, recov tlimit=%d\n",
                     23:                ret.data[15], ret.data[16], ret.data[17]);
                     24:        return(0);
                     25: }
                     26: 
                     27: static int
                     28: dr_w6(int pcf, char *err)
                     29: {
                     30:        struct scsi_cmd cmd;
                     31:        struct scsi_return ret;
                     32:        int n;
                     33: 
                     34:        set6(cmd, 0x1A, 0, (pcf<<6)|0x02, 0, 24, 0);
                     35:        if(n = s_io(0, &cmd, 0, &ret, 24, err))
                     36:                return(n);
                     37:        printf("disconnect/reconnect:\n");
                     38:        printf("\tread reconnect=%d/256 full,", ret.data[14]);
                     39:        printf(" write reconnect=%d/256 empty\n", ret.data[15]);
                     40:        return(0);
                     41: }
                     42: 
                     43: static int
                     44: fp_w6(int pcf, char *err)
                     45: {
                     46:        struct scsi_cmd cmd;
                     47:        struct scsi_return ret;
                     48:        int n;
                     49:        static char *bit[8] = { "", "", "", "INS", "SURF", "Remove", "HardSec", "SoftSec" };
                     50: 
                     51:        set6(cmd, 0x1A, 0, (pcf<<6)|0x03, 0, 36, 0);
                     52:        if(n = s_io(0, &cmd, 0, &ret, 36, err))
                     53:                return(n);
                     54:        printf("format parameters:\n");
                     55:        printf("\tsec=%d B, trk=%d secs, interleave=%d, trk_skew=%d, cyl_skew=%d\n",
                     56:                SHORT(24), SHORT(22), SHORT(26), SHORT(28), SHORT(30));
                     57:        printf("\t%d alt_sec/%d alt_trk per zone(=%d trks), %d alt_trk per vol\n",
                     58:                SHORT(16), SHORT(18), SHORT(14), SHORT(20));
                     59:        printf("\tdrive type:");
                     60:        for(n = 7; n >= 3; n--)
                     61:                printf(" %s%s", (ret.data[32]&(1<<n))? "":"~", bit[n]);
                     62:        printf("\n");
                     63:        return(0);
                     64: }
                     65: 
                     66: static int
                     67: geom_w6(int pcf, char *err)
                     68: {
                     69:        struct scsi_cmd cmd;
                     70:        struct scsi_return ret;
                     71:        int n;
                     72: 
                     73:        set6(cmd, 0x1A, 0, (pcf<<6)|0x04, 0, 32, 0);
                     74:        if(n = s_io(0, &cmd, 0, &ret, 32, err))
                     75:                return(n);
                     76:        printf("drive geometry:\n\t%d cyls, %d heads\n",
                     77:                (ret.data[14]<<16)|SHORT(15), ret.data[17]);
                     78:        return(0);
                     79: }
                     80: 
                     81: static int
                     82: cc_w6(int pcf, char *err)
                     83: {
                     84:        struct scsi_cmd cmd;
                     85:        struct scsi_return ret;
                     86:        int n;
                     87:        static char *bit[8] = { "", "", "", "", "CacheEnable", "RSVD", "WIE", "RSVD" };
                     88: 
                     89:        set6(cmd, 0x1A, 0, (pcf<<6)|0x38, 0, 28, 0);
                     90:        if(n = s_io(0, &cmd, 0, &ret, 28, err))
                     91:                return(n);
                     92:        printf("cache control:\n\t");
                     93:        for(n = 7; n >= 4; n--)
                     94:                printf(" %s%s", (ret.data[14]&(1<<n))? "":"~", bit[n]);
                     95:        printf(", cache size=%d\n", ret.data[14]&0xF);
                     96:        printf("\tprefetch: thr=%d max=%d(mult %d) min=%d(mult %d)\n",
                     97:                ret.data[15], ret.data[16], ret.data[17], ret.data[18], ret.data[19]);
                     98:        return(0);
                     99: }
                    100: 
                    101: static int
                    102: er_wr2(int pcf, char *err)
                    103: {
                    104:        struct scsi_cmd cmd;
                    105:        struct scsi_return ret;
                    106:        int n;
                    107:        static char *bit[8] = { "DCR", "DTE", "PER", "EEC", "RC", "TB", "ARRE", "AWRE" };
                    108: 
                    109:        set6(cmd, 0x1A, 0, (pcf<<6)|0x01, 0, 20, 0);
                    110:        if(n = s_io(0, &cmd, 0, &ret, 20, err))
                    111:                return(n);
                    112:        printf("error recovery:\n\t");
                    113:        for(n = 7; n >= 0; n--)
                    114:                printf(" %s%s", (ret.data[14]&(1<<n))? "":"~", bit[n]);
                    115:        printf("\n\t%d retries, max ecc span=%d, %d wr retries, recov tlimit=%d\n",
                    116:                ret.data[15], ret.data[16], ret.data[20], SHORT(22));
                    117:        return(0);
                    118: }
                    119: 
                    120: static int
                    121: geom_wr2(int pcf, char *err)
                    122: {
                    123:        struct scsi_cmd cmd;
                    124:        struct scsi_return ret;
                    125:        int n;
                    126:        static char *sspin[4] = {
                    127:                "no spindle synch",
                    128:                "synch-spindle slave",
                    129:                "synch-spindle master",
                    130:                "synch-spindle master control",
                    131:        };
                    132: 
                    133:        set6(cmd, 0x1A, 0, (pcf<<6)|0x04, 0, 32, 0);
                    134:        if(n = s_io(0, &cmd, 0, &ret, 32, err))
                    135:                return(n);
                    136:        printf("drive geometry:\n\t%d cyls, %d heads, %s, rotation rate %d\n",
                    137:                (ret.data[14]<<16)|SHORT(15), ret.data[17],
                    138:                sspin[ret.data[29]&3], SHORT(32));
                    139:        return(0);
                    140: }
                    141: 
                    142: static int
                    143: cp_wr2(int pcf, char *err)
                    144: {
                    145:        struct scsi_cmd cmd;
                    146:        struct scsi_return ret;
                    147:        int n;
                    148:        static char *bit[8] = { "ReadCacheDisable", "", "WriteCacheEnable", "", "", "", "", "" };
                    149: 
                    150:        set6(cmd, 0x1A, 0, (pcf<<6)|0x08, 0, 24, 0);
                    151:        if(n = s_io(0, &cmd, 0, &ret, 24, err))
                    152:                return(n);
                    153:        printf("caching parameters:\n\t");
                    154:        for(n = 2; n >= 0; n -= 2)
                    155:                printf(" %s%s", (ret.data[14]&(1<<n))? "":"~", bit[n]);
                    156:        printf("\n\tprefetch: min=%d, max=%d, ceiling=%d\n",
                    157:                SHORT(18), SHORT(20), SHORT(22));
                    158:        return(0);
                    159: }
                    160: 
                    161: static int
                    162: cc_wr2(int pcf, char *err)
                    163: {
                    164:        struct scsi_cmd cmd;
                    165:        struct scsi_return ret;
                    166:        int n;
                    167:        static char *bit[8] = { "", "", "", "", "CacheEnable", "SSM", "WIE", "CCEN" };
                    168: 
                    169:        set6(cmd, 0x1A, 0, (pcf<<6)|0x38, 0, 28, 0);
                    170:        if(n = s_io(0, &cmd, 0, &ret, 28, err))
                    171:                return(n);
                    172:        printf("cache control:\n\t");
                    173:        for(n = 7; n >= 4; n--)
                    174:                printf(" %s%s", (ret.data[14]&(1<<n))? "":"~", bit[n]);
                    175:        printf(", cache size=%d\n", ret.data[14]&0xF);
                    176:        printf("\tprefetch: thr=%d max=%d(mult %d) min=%d(mult %d)\n",
                    177:                ret.data[15], ret.data[16], ret.data[17], ret.data[18], ret.data[19]);
                    178:        return(0);
                    179: }
                    180: 
                    181: typedef (*Fn)(int, char *);
                    182: static struct Drive
                    183: {
                    184:        char *type;             /* match inq field */
                    185:        char *desc;             /* print at the user */
                    186:        Fn fns[10];
                    187: } drive[] = {          /* first one is default when none match */
                    188:        { "94181-15", "Wren VI", er_w6, dr_w6, fp_w6, geom_w6, cc_w6, 0 },
                    189:        { "ST4767", "Wren Runner-2", er_wr2, dr_w6, fp_w6, geom_wr2, cp_wr2, cc_wr2, 0 },
                    190:        { 0 }
                    191: };
                    192: 
                    193: int
                    194: wr_modesense(int niargs, int *iargs, int ncargs, char **cargs, char *err)
                    195: {
                    196:        int n, i, retv;
                    197:        char product[17];
                    198:        int found;
                    199:        struct scsi_cmd cmd;
                    200:        struct scsi_return ret;
                    201: 
                    202: #pragma ref ncargs
                    203: #pragma ref cargs
                    204: #pragma ref niargs
                    205: #pragma ref iargs
                    206: 
                    207: #define        PCF     0       /* current values */
                    208: 
                    209:        /* find drive type */
                    210:        set6(cmd, 0x12, 0, 0, 0, 32, 0);
                    211:        if(n = s_io(0, &cmd, 0, &ret, 32, err))
                    212:                return(n);
                    213:        fixedstr(&ret.data[16], 16, product);
                    214:        for(n = 0, found = 0; drive[n].type; n++)
                    215:                if(strcmp(product, drive[n].type) == 0){
                    216:                        found = 1;
                    217:                        break;
                    218:                }
                    219:        if(!found)
                    220:                n = 0;
                    221: 
                    222:        if(found)
                    223:                printf("mode sense(%d,0)[%s(%s)]:\n", s_id, drive[n].desc, product);
                    224:        else
                    225:                printf("mode sense(%d,0)[using %s, found '%s']:\n", s_id, drive[n].desc, product);
                    226:        for(i = 0; drive[n].fns[i]; i++)
                    227:                if(retv = (*drive[n].fns[i])(PCF, err))
                    228:                        return(retv);
                    229:        return(0);
                    230: }

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