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Annotation of researchv10no/cmd/worm/oscsi/wren/rmode.c, revision 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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