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1.1 root 1: /* get controller attention and start an operation */
2: #define CY_ATTENTION(addr) movob(0xff,addr) /* also known as: GO */
3: #define CY_RESET(addr) CY_ATTENTION(addr+1) /* reset controller */
4: #define CYUNIT(d) (minor(d) & 0xf)
5:
6: #define MULTIBUS_SHORT(x) (short)((((x)>>8)&0xff) | (((x)<<8)&0xff00))
7:
8: #define NORMAL_INTERUPT 0x11
9: #define CLEAR_INTERUPT 0x09
10:
11: #define T_NOREWIND 0x80
12:
13:
14: /* Tape Parameter Block definitions */
15: typedef struct {
16: long cmd; /* Command */
17: short control; /* Control */
18: short count; /* Return count */
19: short size; /* Buffer size */
20: short rec_over; /* Records/Overrun */
21: char *data_ptr; /* Pointer to source/dest */
22: short status; /* Status */
23: short link_ptr[2]; /* Pointer to next parameter block */
24: } fmt_tpb;
25:
26: /* Controller commands */
27:
28: /* Group. I Control status/commands */
29: #define CONFIG (0x00000000L) /* configure */
30: #define SET_PA (0x08000000L) /* set page */
31: #define NO_OP (0x20000000L) /* no operation */
32: #define DRIVE_S (0x28000000L) /* drive status */
33: #define TAPE_AS (0x74000000L) /* tape assign */
34: #define DRIVE_R (0x90000000L) /* drive reset */
35:
36: /* Group. II Tape position commands */
37: #define REWD_OV (0x04000000L) /* rewind overlapped */
38: #define READ_FO (0x1C000000L) /* read foreign tape */
39: #define REWD_TA (0x34000000L) /* rewind tape */
40: #define OFF_UNL (0x38000000L) /* off_line and unload */
41: #define WRIT_FM (0x40000000L) /* write filemark */
42: #define SERH_FM (0x44000000L) /* search filemark */
43: #define SRFM_FD (0x44000000L) /* search filemark forward */
44: #define SRFM_BK (0xC4000000L) /* search filemark backward */
45: #define SPACE (0x48000000L) /* skip record */
46: #define SP_FORW (0x48000000L) /* space forward */
47: #define SP_BACK (0xC8000000L) /* space backwords */
48: #define ERASE_F (0x4C000000L) /* erase fixed length */
49: #define ERASE_T (0x50000000L) /* erase to end of tape */
50: #define SPAC_FM (0x70000000L) /* space filemark */
51: #define SP_FM_F (0x70000000L) /* space filemark forward */
52: #define SP_FM_B (0xC9000000L) /* space filemark backward */
53: #define SERH_MU (0x94000000L) /* search multiple filemarks */
54:
55: /* Group. III Data transfer commands */
56: #define READ_BU (0x10000000L) /* read buffered */
57: #define WRIT_BU (0x14000000L) /* write buffered */
58: #define EDIT_BU (0x18000000L) /* edit buffered */
59: #define READ_TA (0x2C000000L) /* read tape */
60: #define WRIT_TA (0x30000000L) /* write tape */
61: #define EDIT_TA (0x3C000000L) /* edit tape */
62: #define READ_ST (0x60000000L) /* read streaming */
63: #define WRIT_ST (0x64000000L) /* write streaming */
64:
65: /* Group. IV Special commands */
66: #define EXCHANG (0x0C000000L) /* exchange system and tapemaster RAM */
67: #define BLOCK_M (0x80000000L) /* block move */
68:
69: /* Group. V Diagnostic commands */
70: #define TEST_SH (0x54000000L) /* short memory test */
71: #define TEST_LG (0x58000000L) /* long memory test */
72: #define TEST_CN (0x5C000000L) /* controller confidence test */
73: #define TEST_RW (0x68000000L) /* test read/write timeing */
74:
75:
76: /* Control field bit definitions */
77: #define CW_UNIT (0x000c<<8) /* tape select mask, 2 bit field */
78: #define CW_MAIL (0x0010<<8) /* mailbox flag */
79: #define CW_INTR (0x0020<<8) /* interrupt flag */
80: #define CW_LINK (0x0040<<8) /* link flag */
81: #define CW_LOCK (0x0080<<8) /* bus lock flag */
82: #define CW_BANK (0x0100>>8) /* bank select */
83: #define CW_REV (0x0400>>8) /* reverse flag */
84: #define CW_SPEED (0x0800>>8) /* speed/density */
85: #define CW_25ips 0
86: #define CW_100ips (0x0800>>8)
87: #define CW_STREAM (0x1000>>8) /* continuous */
88: #define CW_WIDTH (0x8000>>8) /* width */
89: #define CW_8bits 0
90: #define CW_16bits (0x8000>>8)
91:
92:
93: /* Status field bit definitions */
94: #define CS_P (0x0002<<8) /* Protected, no write ring */
95: #define CS_FB (0x0004<<8) /* formatter busy */
96: #define CS_RDY (0x0008<<8) /* drive ready */
97: #define CS_EOT (0x0010<<8) /* end of tape detected */
98: #define CS_LP (0x0020<<8) /* tape is at load point */
99: #define CS_OL (0x0040<<8) /* drive on_line */
100: #define CS_FM (0x0080<<8) /* Filemark detected */
101: #define CS_ERm (0x1F00>>8) /* Error value mask */
102: #define CS_CR (0x2000>>8) /* Controller executed retries */
103: #define CS_CC (0x4000>>8) /* Command Completed successfully */
104: #define CS_CE (0x8000>>8) /* Command execution has begun */
105:
106:
107: /* Error value definitions for CS_ERm field */
108: #define ER_TIMOUT (0x01) /* timed out data busy false */
109: #define ER_TIMOUT1 (0x02) /* data busy false,formatter,ready */
110: #define ER_TIMOUT2 (0x03) /* time out ready busy false */
111: #define ER_TIMOUT3 (0x04) /* time out ready busy true */
112: #define ER_TIMOUT4 (0x05) /* time out data busy true */
113: #define ER_NEX (0x06) /* time out memory */
114: #define ER_BLANK (0X07) /* blank tape */
115: #define ER_DIAG (0x08) /* micro-diagnostic */
116: #define ER_EOT (0x09) /* EOT forward, BOT rev. */
117: #define ER_HARD (0x0A) /* retry unsuccessful */
118: #define ER_FIFO (0x0B) /* FIFO over/under flow */
119: #define ER_PARITY (0x0D) /* drive to tapemaster parity error */
120: #define ER_CHKSUM (0x0E) /* prom checksum */
121: #define ER_STROBE (0x0F) /* time out tape strobe */
122: #define ER_NOTRDY (0x10) /* tape not ready */
123: #define ER_PROT (0x11) /* write, no enable ring */
124: #define ER_JUMPER (0x13) /* missing diagnostic jumper */
125: #define ER_LINK (0x14) /* bad link, link inappropriate */
126: #define ER_FM (0x15) /* unexpected filemark */
127: #define ER_PARAM (0x16) /* bad parameter, byte count ? */
128: #define ER_HDWERR (0x18) /* unidentified hardware error */
129: #define ER_NOSTRM (0x19) /* streaming terminated */
130:
131:
132: /* Channel control block definitions */
133: typedef struct {
134: char ccw; /* channel control word */
135: char gate; /* Tpb access gate */
136: short tpb_ptr[2]; /* points to first tape parameter block */
137: } fmt_ccb;
138:
139: #define GATE_OPEN (char)(0x00)
140: #define GATE_CLOSED (char)(0xFF)
141: #define NORMAL_INTERUP 0x11
142:
143:
144:
145: /* System configuration block structrure definitions */
146: typedef struct {
147: char fixed_value; /* 0x03 fixed value code */
148: char unused_scb;
149: short ccb_ptr[2]; /* pointer to ->CHANNEL CONTROL BLOCK */
150: } fmt_scb;
151:
152:
153: /* System configuration pointer structure definitions */
154: typedef struct {
155: char bus_size; /* width of system bus 0=8; 1=16 */
156: char unused_scp;
157: short scb_ptr[2]; /* pointer to ->SYSTEM CONFIGUREATION BLOCK */
158: } fmt_scp;
159:
160: #define _16_BITS 1
161: #define _8_BITS 0
162:
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