![[BACK]](/cvsweb/icons/back.gif){kind=icon}
Return to scsireg.h CVS log ![[TXT]](/cvsweb/icons/text.gif){kind=icon}
![[DIR]](/cvsweb/icons/dir.gif){kind=icon}
Up to [CSRG BSD Unix] / 43BSDReno / sys / hpdev|
Return to scsireg.h CVS log | Up to [CSRG BSD Unix] / 43BSDReno / sys / hpdev |
1.1 root 1: /*
2: * Copyright (c) 1990 The Regents of the University of California.
3: * All rights reserved.
4: *
5: * This code is derived from software contributed to Berkeley by
6: * Van Jacobson of Lawrence Berkeley Laboratory.
7: *
8: * Redistribution is only permitted until one year after the first shipment
9: * of 4.4BSD by the Regents. Otherwise, redistribution and use in source and
10: * binary forms are permitted provided that: (1) source distributions retain
11: * this entire copyright notice and comment, and (2) distributions including
12: * binaries display the following acknowledgement: This product includes
13: * software developed by the University of California, Berkeley and its
14: * contributors'' in the documentation or other materials provided with the
15: * distribution and in all advertising materials mentioning features or use
16: * of this software. Neither the name of the University nor the names of
17: * its contributors may be used to endorse or promote products derived from
18: * this software without specific prior written permission.
19: * THIS SOFTWARE IS PROVIDED AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED
20: * WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF
21: * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
22: *
23: * @(#)scsireg.h 7.1 (Berkeley) 5/8/90
24: */
25:
26: /*
27: * HP 98265A SCSI Interface Hardware Description.
28: */
29:
30: struct scsidevice {
31: u_char p0, scsi_id;
32: #define ID_MASK 0x1f
33: #define SCSI_ID 0x07
34: #define ID_WORD_DMA 0x20
35: u_char p2, scsi_csr;
36: #define CSR_IE 0x80
37: #define CSR_IR 0x40
38: #define SCSI_IPL(csr) ((((csr)>>4)&3)+3)
39: #define CSR_DMA32 0x08
40: #define CSR_DMAIN 0x04
41: #define CSR_DE1 0x02
42: #define CSR_DE0 0x01
43: u_char p4, scsi_wrap;
44: #define WRAP_REQ 0x80
45: #define WRAP_ACK 0x40
46: #define WRAP_BSY 0x08
47: #define WRAP_MSG 0x04
48: #define WRAP_CD 0x02
49: #define WRAP_IO 0x01
50: u_char p6, scsi_hconf;
51: #define HCONF_TP 0x80
52: #define SCSI_SYNC_XFER(hconf) (((hconf)>>5)&3)
53: #define HCONF_SD 0x10
54: #define HCONF_PARITY 0x08
55: u_char p8[24];
56: u_char p32, scsi_bdid;
57: u_char p34, scsi_sctl;
58: #define SCTL_DISABLE 0x80
59: #define SCTL_CTRLRST 0x40
60: #define SCTL_DIAG 0x20
61: #define SCTL_ABRT_ENAB 0x10
62: #define SCTL_PARITY_ENAB 0x08
63: #define SCTL_SEL_ENAB 0x04
64: #define SCTL_RESEL_ENAB 0x02
65: #define SCTL_INTR_ENAB 0x01
66: u_char p36, scsi_scmd;
67: #define SCMD_RST 0x10
68: #define SCMD_ICPT_XFR 0x08
69: #define SCMD_PROG_XFR 0x04
70: #define SCMD_PAD 0x01 /* if initiator */
71: #define SCMD_PERR_STOP 0x01 /* if target */
72: /* command codes */
73: #define SCMD_BUS_REL 0x00
74: #define SCMD_SELECT 0x20
75: #define SCMD_RST_ATN 0x40
76: #define SCMD_SET_ATN 0x60
77: #define SCMD_XFR 0x80
78: #define SCMD_XFR_PAUSE 0xa0
79: #define SCMD_RST_ACK 0xc0
80: #define SCMD_SET_ACK 0xe0
81: u_char p38, scsi_tmod;
82: #define TMOD_SYNC 0x80
83: u_char p40, scsi_ints;
84: #define INTS_SEL 0x80
85: #define INTS_RESEL 0x40
86: #define INTS_DISCON 0x20
87: #define INTS_CMD_DONE 0x10
88: #define INTS_SRV_REQ 0x08
89: #define INTS_TIMEOUT 0x04
90: #define INTS_HARD_ERR 0x02
91: #define INTS_RST 0x01
92: u_char p42, scsi_psns;
93: #define PSNS_REQ 0x80
94: #define PSNS_ACK 0x40
95: #define PSNS_ATN 0x20
96: #define PSNS_SEL 0x10
97: #define PSNS_BSY 0x08
98: u_char p44, scsi_ssts;
99: #define SSTS_INITIATOR 0x80
100: #define SSTS_TARGET 0x40
101: #define SSTS_BUSY 0x20
102: #define SSTS_XFR 0x10
103: #define SSTS_ACTIVE (SSTS_INITIATOR|SSTS_XFR)
104: #define SSTS_RST 0x08
105: #define SSTS_TCZERO 0x04
106: #define SSTS_DREG_FULL 0x02
107: #define SSTS_DREG_EMPTY 0x01
108: u_char p46, scsi_serr;
109: #define SERR_SCSI_PAR 0x80
110: #define SERR_SPC_PAR 0x40
111: #define SERR_TC_PAR 0x08
112: #define SERR_PHASE_ERR 0x04
113: #define SERR_SHORT_XFR 0x02
114: #define SERR_OFFSET 0x01
115: u_char p48, scsi_pctl;
116: #define PCTL_BFINT_ENAB 0x80
117: u_char p50, scsi_mbc;
118: u_char p52, scsi_dreg;
119: u_char p54, scsi_temp;
120: u_char p56, scsi_tch;
121: u_char p58, scsi_tcm;
122: u_char p60, scsi_tcl;
123: u_char p62, scsi_exbf;
124: };
125:
126: /* psns/pctl phase lines as bits */
127: #define PHASE_MSG 0x04
128: #define PHASE_CD 0x02 /* =1 if 'command' */
129: #define PHASE_IO 0x01 /* =1 if data inbound */
130: /* Phase lines as values */
131: #define PHASE 0x07 /* mask for psns/pctl phase */
132: #define DATA_OUT_PHASE 0x00
133: #define DATA_IN_PHASE 0x01
134: #define CMD_PHASE 0x02
135: #define STATUS_PHASE 0x03
136: #define BUS_FREE_PHASE 0x04
137: #define ARB_SEL_PHASE 0x05 /* Fuji chip combines arbitration with sel. */
138: #define MESG_OUT_PHASE 0x06
139: #define MESG_IN_PHASE 0x07
140:
141: /* SCSI Messages */
142:
143: #define MSG_CMD_COMPLETE 0x00
144: #define MSG_EXT_MESSAGE 0x01
145: #define MSG_SAVE_DATA_PTR 0x02
146: #define MSG_RESTORE_PTR 0x03
147: #define MSG_DISCONNECT 0x04
148: #define MSG_INIT_DETECT_ERROR 0x05
149: #define MSG_ABORT 0x06
150: #define MSG_REJECT 0x07
151: #define MSG_NOOP 0x08
152: #define MSG_PARITY_ERROR 0x09
153: #define MSG_BUS_DEVICE_RESET 0x0C
154: #define MSG_IDENTIFY 0x80
155: #define MSG_IDENTIFY_DR 0xc0 /* (disconnect/reconnect allowed) */
156: #define MSG_SYNC_REQ 0x01
157:
158: /* SCSI Commands */
159:
160: #define CMD_TEST_UNIT_READY 0x00
161: #define CMD_REQUEST_SENSE 0x03
162: #define CMD_INQUIRY 0x12
163: #define CMD_SEND_DIAGNOSTIC 0x1D
164:
165: #define CMD_FORMAT_UNIT 0x04
166: #define CMD_REASSIGN_BLOCKS 0x07
167: #define CMD_READ 0x08
168: #define CMD_WRITE 0x0A
169: #define CMD_MODE_SELECT 0x15
170: #define CMD_RELEASE_UNIT 0x17
171: #define CMD_MODE_SENSE 0x1A
172: #define CMD_SEND_DIAG 0x1D
173: #define CMD_READ_CAPACITY 0x25
174: #define CMD_READ_EXT 0x28
175: #define CMD_WRITE_EXT 0x2A
176: #define CMD_READ_DEFECT_DATA 0x37
177: #define SD_MANUFAC_DEFECTS 0x14000000
178: #define SD_GROWN_DEFECTS 0x0c000000
179: #define CMD_READ_BUFFER 0x3B
180: #define CMD_WRITE_BUFFER 0x3C
181: #define CMD_READ_FULL 0xF0
182: #define CMD_MEDIA_TEST 0xF1
183: #define CMD_ACCESS_LOG 0xF2
184: #define CMD_WRITE_FULL 0xFC
185: #define CMD_MANAGE_PRIMARY 0xFD
186: #define CMD_EXECUTE_DATA 0xFE
187:
188: /* SCSI status bits */
189:
190: #define STS_CHECKCOND 0x02 /* Check Condition (ie., read sense) */
191: #define STS_CONDMET 0x04 /* Condition Met (ie., search worked) */
192: #define STS_BUSY 0x08
193: #define STS_INTERMED 0x10 /* Intermediate status sent */
194: #define STS_EXT 0x80 /* Extended status valid */
195:
196: /* command descriptor blocks */
197:
198: struct scsi_cdb6 {
199: u_char cmd; /* command code */
200: u_char lun: 3, /* logical unit on ctlr */
201: lbah: 5; /* msb of read/write logical block addr */
202: u_char lbam; /* middle byte of l.b.a. */
203: u_char lbal; /* lsb of l.b.a. */
204: u_char len; /* transfer length */
205: u_char xtra;
206: };
207:
208: struct scsi_cdb10 {
209: u_char cmd; /* command code */
210: u_char lun: 3, /* logical unit on ctlr */
211: : 4,
212: rel: 1; /* l.b.a. is relative addr if =1 */
213: u_char lbah; /* msb of read/write logical block addr */
214: u_char lbahm; /* high middle byte of l.b.a. */
215: u_char lbalm; /* low middle byte of l.b.a. */
216: u_char lbal; /* lsb of l.b.a. */
217: u_char reserved;
218: u_char lenh; /* msb transfer length */
219: u_char lenl; /* lsb transfer length */
220: u_char xtra;
221: };
222:
223: /* basic sense data */
224:
225: struct scsi_sense {
226: u_char valid: 1, /* l.b.a. is valid */
227: class: 3,
228: code: 4;
229: u_char vu: 4, /* vendor unique */
230: lbah: 4;
231: u_char lbam;
232: u_char lbal;
233: };
234:
235: struct scsi_xsense {
236: u_char valid: 1, /* l.b.a. is valid */
237: class: 3,
238: code: 4;
239: u_char segment;
240: u_char filemark: 1,
241: eom: 1,
242: ili: 1, /* illegal length indicator */
243: rsvd: 1,
244: key: 4;
245: u_char info1;
246: u_char info2;
247: u_char info3;
248: u_char info4;
249: u_char len; /* additional sense length */
250: };
251:
252: /* inquiry data */
253: struct scsi_inquiry {
254: u_char type;
255: u_char qual;
256: u_char version;
257: u_char rsvd;
258: u_char len;
259: char class[3];
260: char vendor_id[8];
261: char product_id[16];
262: char rev[4];
263: };
264:
265: struct scsi_format_parms { /* physical BFI format */
266: u_short reserved;
267: u_short list_len;
268: struct defect {
269: unsigned cyl : 24;
270: unsigned head : 8;
271: long bytes_from_index;
272: } defect[127];
273: } format_parms;
274:
275: struct scsi_reassign_parms {
276: u_short reserved;
277: u_short list_len; /* length in bytes of defects only */
278: struct new_defect {
279: unsigned lba; /* logical block address */
280: } new_defect[2];
281: } reassign_parms;
282:
283: struct scsi_modesel_hdr {
284: u_char rsvd1;
285: u_char media_type;
286: u_char rsvd2;
287: u_char block_desc_len;
288: u_int density : 8;
289: u_int number_blocks :24;
290: u_int rsvd3 : 8;
291: u_int block_length :24;
292: };
293:
294: struct scsi_modesense_hdr {
295: u_char len;
296: u_char media_type;
297: u_char wp : 1;
298: u_char rsvd1 : 7;
299: u_char block_desc_len;
300: u_int density : 8;
301: u_int number_blocks :24;
302: u_int rsvd2 : 8;
303: u_int block_length :24;
304: };
305:
306: /*
307: * Mode Select / Mode sense "pages"
308: */
309:
310: /*
311: * Page One - Error Recovery Parameters
312: */
313: struct scsi_err_recovery {
314: u_char page_savable : 1; /* save parameters */
315: u_char reserved : 1;
316: u_char page_code : 6; /* = 0x01 */
317: u_char page_length; /* = 6 */
318: u_char awre : 1; /* auto write realloc enabled */
319: u_char arre : 1; /* auto read realloc enabled */
320: u_char tb : 1; /* transfer block */
321: u_char rc : 1; /* read continuous */
322: u_char eec : 1; /* enable early correction */
323: u_char per : 1; /* post error */
324: u_char dte : 1; /* disable transfer on error */
325: u_char dcr : 1; /* disable correction */
326: u_char retry_count;
327: u_char correction_span;
328: u_char head_offset_count;
329: u_char strobe_offset_count;
330: u_char recovery_time_limit;
331: };
332:
333: /*
334: * Page Two - Disconnect / Reconnect Control Parameters
335: */
336: struct scsi_disco_reco {
337: u_char page_savable : 1; /* save parameters */
338: u_char rsvd : 1;
339: u_char page_code : 6; /* = 0x02 */
340: u_char page_length; /* = 10 */
341: u_char buffer_full_ratio; /* write, how full before reconnect? */
342: u_char buffer_empty_ratio; /* read, how full before reconnect? */
343:
344: u_short bus_inactivity_limit; /* how much bus time for busy */
345: u_short disconnect_time_limit; /* min to remain disconnected */
346: u_short connect_time_limit; /* min to remain connected */
347: u_short reserved_1;
348: };
349:
350: /*
351: * Page Three - Direct Access Device Format Parameters
352: */
353: struct scsi_format {
354: u_char page_savable : 1; /* save parameters */
355: u_char rsvd : 1;
356: u_char page_code : 6; /* = 0x03 */
357: u_char page_length; /* = 22 */
358: u_short tracks_per_zone; /* Handling of Defects Fields */
359: u_short alt_sect_zone;
360: u_short alt_tracks_zone;
361: u_short alt_tracks_vol;
362: u_short sect_track; /* Track Format Field */
363: u_short data_sect; /* Sector Format Fields */
364: u_short interleave;
365: u_short track_skew_factor;
366: u_short cyl_skew_factor;
367: u_char ssec : 1; /* Drive Type Field */
368: u_char hsec : 1;
369: u_char rmb : 1;
370: u_char surf : 1;
371: u_char ins : 1;
372: u_char reserved_1 : 3;
373: u_char reserved_2;
374: u_char reserved_3;
375: u_char reserved_4;
376: };
377:
378: /*
379: * Page Four - Rigid Disk Drive Geometry Parameters
380: */
381: struct scsi_geometry {
382: u_char page_savable : 1; /* save parameters */
383: u_char rsvd : 1;
384: u_char page_code : 6; /* = 0x04 */
385: u_char page_length; /* = 18 */
386: u_char cyl_ub; /* number of cylinders */
387: u_char cyl_mb;
388: u_char cyl_lb;
389: u_char heads; /* number of heads */
390: u_char precomp_cyl_ub; /* cylinder to start precomp */
391: u_char precomp_cyl_mb;
392: u_char precomp_cyl_lb;
393: u_char current_cyl_ub; /* cyl to start reduced current */
394: u_char current_cyl_mb;
395: u_char current_cyl_lb;
396: u_short step_rate; /* drive step rate */
397: u_char landing_cyl_ub; /* landing zone cylinder */
398: u_char landing_cyl_mb;
399: u_char landing_cyl_lb;
400: u_char reserved_1;
401: u_char reserved_2;
402: u_char reserved_3;
403: };
404:
405: /*
406: * Page 0x38 - Cache Control Parameters
407: */
408: struct scsi_cache {
409: u_char page_savable : 1; /* save parameters */
410: u_char rsvd : 1;
411: u_char page_code : 6; /* = 0x38 */
412: u_char page_length; /* = 14 */
413: u_char rsvd_1 : 1;
414: u_char wie : 1; /* write index enable */
415: u_char rsvd_2 : 1;
416: u_char ce : 1; /* cache enable */
417: u_char table_size : 4;
418: u_char prefetch_threshold;
419: u_char maximum_threshold;
420: u_char maximumprefetch_multiplier;
421: u_char minimum_threshold;
422: u_char minimum_prefetch_multiplier;
423: u_char reserved[8];
424: };
425:
426: /*
427: * Driver ioctl's for various scsi operations.
428: */
429: #ifndef _IOCTL_
430: #include "ioctl.h"
431: #endif
432:
433: /*
434: * Control for SCSI "format" mode.
435: *
436: * "Format" mode allows a privileged process to issue direct SCSI
437: * commands to a drive (it is intended primarily to allow on-line
438: * formatting). SDIOCSFORMAT with a non-zero arg will put the drive
439: * into format mode; a zero arg will take it out. When in format
440: * mode, only the process that issued the SDIOCFORMAT can read or
441: * write the drive.
442: *
443: * In format mode, process is expected to
444: * - do SDIOCSCSICOMMAND to supply cdb for next SCSI op
445: * - do read or write as appropriate for cdb
446: * - if i/o error, optionally do SDIOCSENSE to get completion
447: * status and sense data from last scsi operation.
448: */
449:
450: struct scsi_fmt_cdb {
451: int len; /* cdb length (in bytes) */
452: u_char cdb[28]; /* cdb to use on next read/write */
453: };
454:
455: struct scsi_fmt_sense {
456: u_int status; /* completion status of last op */
457: u_char sense[28]; /* sense data (if any) from last op */
458: };
459:
460: #define SDIOCSFORMAT _IOW('S', 0x1, int)
461: #define SDIOCGFORMAT _IOR('S', 0x2, int)
462: #define SDIOCSCSICOMMAND _IOW('S', 0x3, struct scsi_fmt_cdb)
463: #define SDIOCSENSE _IOR('S', 0x4, struct scsi_fmt_sense)
This archive runs on limited infrastructure. Preserving old code on modern bandwidth. Automated agents are requested to crawl responsibly.