Annotation of sys/arch/hp300/stand/include/scsireg.h, Revision 1.1.1.1
1.1 nbrk 1: /* $OpenBSD: scsireg.h,v 1.2 2006/08/17 06:31:10 miod Exp $ */
2: /* $NetBSD: scsireg.h,v 1.4 1994/10/26 07:24:59 cgd Exp $ */
3:
4: /*
5: * Copyright (c) 1990, 1993
6: * The Regents of the University of California. All rights reserved.
7: *
8: * This code is derived from software contributed to Berkeley by
9: * Van Jacobson of Lawrence Berkeley Laboratory.
10: *
11: * Redistribution and use in source and binary forms, with or without
12: * modification, are permitted provided that the following conditions
13: * are met:
14: * 1. Redistributions of source code must retain the above copyright
15: * notice, this list of conditions and the following disclaimer.
16: * 2. Redistributions in binary form must reproduce the above copyright
17: * notice, this list of conditions and the following disclaimer in the
18: * documentation and/or other materials provided with the distribution.
19: * 3. Neither the name of the University nor the names of its contributors
20: * may be used to endorse or promote products derived from this software
21: * without specific prior written permission.
22: *
23: * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
24: * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
25: * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
26: * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
27: * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
28: * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
29: * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
30: * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
31: * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
32: * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
33: * SUCH DAMAGE.
34: *
35: * @(#)scsireg.h 8.1 (Berkeley) 6/10/93
36: */
37:
38: /*
39: * HP 98265A SCSI Interface Hardware Description.
40: */
41:
42: struct scsidevice {
43: u_char p0, scsi_id;
44: #define ID_MASK 0x1f
45: #define SCSI_ID 0x07
46: #define ID_WORD_DMA 0x20
47: u_char p2, scsi_csr;
48: #define CSR_IE 0x80
49: #define CSR_IR 0x40
50: #define SCSI_IPL(csr) ((((csr)>>4)&3)+3)
51: #define CSR_DMA32 0x08
52: #define CSR_DMAIN 0x04
53: #define CSR_DE1 0x02
54: #define CSR_DE0 0x01
55: u_char p4, scsi_wrap;
56: #define WRAP_REQ 0x80
57: #define WRAP_ACK 0x40
58: #define WRAP_BSY 0x08
59: #define WRAP_MSG 0x04
60: #define WRAP_CD 0x02
61: #define WRAP_IO 0x01
62: u_char p6, scsi_hconf;
63: #define HCONF_TP 0x80
64: #define SCSI_SYNC_XFER(hconf) (((hconf)>>5)&3)
65: #define HCONF_SD 0x10
66: #define HCONF_PARITY 0x08
67: u_char p8[24];
68: u_char p32, scsi_bdid;
69: u_char p34, scsi_sctl;
70: #define SCTL_DISABLE 0x80
71: #define SCTL_CTRLRST 0x40
72: #define SCTL_DIAG 0x20
73: #define SCTL_ABRT_ENAB 0x10
74: #define SCTL_PARITY_ENAB 0x08
75: #define SCTL_SEL_ENAB 0x04
76: #define SCTL_RESEL_ENAB 0x02
77: #define SCTL_INTR_ENAB 0x01
78: u_char p36, scsi_scmd;
79: #define SCMD_RST 0x10
80: #define SCMD_ICPT_XFR 0x08
81: #define SCMD_PROG_XFR 0x04
82: #define SCMD_PAD 0x01 /* if initiator */
83: #define SCMD_PERR_STOP 0x01 /* if target */
84: /* command codes */
85: #define SCMD_BUS_REL 0x00
86: #define SCMD_SELECT 0x20
87: #define SCMD_RST_ATN 0x40
88: #define SCMD_SET_ATN 0x60
89: #define SCMD_XFR 0x80
90: #define SCMD_XFR_PAUSE 0xa0
91: #define SCMD_RST_ACK 0xc0
92: #define SCMD_SET_ACK 0xe0
93: u_char p38, scsi_tmod;
94: #define TMOD_SYNC 0x80
95: u_char p40, scsi_ints;
96: #define INTS_SEL 0x80
97: #define INTS_RESEL 0x40
98: #define INTS_DISCON 0x20
99: #define INTS_CMD_DONE 0x10
100: #define INTS_SRV_REQ 0x08
101: #define INTS_TIMEOUT 0x04
102: #define INTS_HARD_ERR 0x02
103: #define INTS_RST 0x01
104: u_char p42, scsi_psns;
105: #define PSNS_REQ 0x80
106: #define PSNS_ACK 0x40
107: #define PSNS_ATN 0x20
108: #define PSNS_SEL 0x10
109: #define PSNS_BSY 0x08
110: u_char p44, scsi_ssts;
111: #define SSTS_INITIATOR 0x80
112: #define SSTS_TARGET 0x40
113: #define SSTS_BUSY 0x20
114: #define SSTS_XFR 0x10
115: #define SSTS_ACTIVE (SSTS_INITIATOR|SSTS_XFR)
116: #define SSTS_RST 0x08
117: #define SSTS_TCZERO 0x04
118: #define SSTS_DREG_FULL 0x02
119: #define SSTS_DREG_EMPTY 0x01
120: u_char p46, scsi_serr;
121: #define SERR_SCSI_PAR 0x80
122: #define SERR_SPC_PAR 0x40
123: #define SERR_TC_PAR 0x08
124: #define SERR_PHASE_ERR 0x04
125: #define SERR_SHORT_XFR 0x02
126: #define SERR_OFFSET 0x01
127: u_char p48, scsi_pctl;
128: #define PCTL_BFINT_ENAB 0x80
129: u_char p50, scsi_mbc;
130: u_char p52, scsi_dreg;
131: u_char p54, scsi_temp;
132: u_char p56, scsi_tch;
133: u_char p58, scsi_tcm;
134: u_char p60, scsi_tcl;
135: u_char p62, scsi_exbf;
136: };
137:
138: /* psns/pctl phase lines as bits */
139: #define PHASE_MSG 0x04
140: #define PHASE_CD 0x02 /* =1 if 'command' */
141: #define PHASE_IO 0x01 /* =1 if data inbound */
142: /* Phase lines as values */
143: #define PHASE 0x07 /* mask for psns/pctl phase */
144: #define DATA_OUT_PHASE 0x00
145: #define DATA_IN_PHASE 0x01
146: #define CMD_PHASE 0x02
147: #define STATUS_PHASE 0x03
148: #define BUS_FREE_PHASE 0x04
149: #define ARB_SEL_PHASE 0x05 /* Fuji chip combines arbitration with sel. */
150: #define MESG_OUT_PHASE 0x06
151: #define MESG_IN_PHASE 0x07
152:
153: /* SCSI Messages */
154:
155: #define MSG_CMD_COMPLETE 0x00
156: #define MSG_EXT_MESSAGE 0x01
157: #define MSG_SAVE_DATA_PTR 0x02
158: #define MSG_RESTORE_PTR 0x03
159: #define MSG_DISCONNECT 0x04
160: #define MSG_INIT_DETECT_ERROR 0x05
161: #define MSG_ABORT 0x06
162: #define MSG_REJECT 0x07
163: #define MSG_NOOP 0x08
164: #define MSG_PARITY_ERROR 0x09
165: #define MSG_BUS_DEVICE_RESET 0x0C
166: #define MSG_IDENTIFY 0x80
167: #define MSG_IDENTIFY_DR 0xc0 /* (disconnect/reconnect allowed) */
168: #define MSG_SYNC_REQ 0x01
169:
170: /* SCSI Commands */
171:
172: #define CMD_TEST_UNIT_READY 0x00
173: #define CMD_REQUEST_SENSE 0x03
174: #define CMD_INQUIRY 0x12
175: #define CMD_SEND_DIAGNOSTIC 0x1D
176:
177: #define CMD_REWIND 0x01
178: #define CMD_REZERO 0x01
179: #define CMD_FORMAT_UNIT 0x04
180: #define CMD_READ_BLOCK_LIMITS 0x05
181: #define CMD_REASSIGN_BLOCKS 0x07
182: #define CMD_READ 0x08
183: #define CMD_WRITE 0x0A
184: #define CMD_WRITE_FILEMARK 0x10
185: #define CMD_SPACE 0x11
186: #define CMD_MODE_SELECT 0x15
187: #define CMD_RELEASE_UNIT 0x17
188: #define CMD_ERASE 0x19
189: #define CMD_MODE_SENSE 0x1A
190: #define CMD_LOADUNLOAD 0x1B
191: #define CMD_RECEIVE_DIAG 0x1C
192: #define CMD_SEND_DIAG 0x1D
193: #define CMD_P_A_MEDIA_REMOVAL 0x1E
194: #define CMD_READ_CAPACITY 0x25
195: #define CMD_READ_EXT 0x28
196: #define CMD_WRITE_EXT 0x2A
197: #define CMD_READ_DEFECT_DATA 0x37
198: #define SD_MANUFAC_DEFECTS 0x14000000
199: #define SD_GROWN_DEFECTS 0x0c000000
200: #define CMD_READ_BUFFER 0x3B
201: #define CMD_WRITE_BUFFER 0x3C
202: #define CMD_READ_FULL 0xF0
203: #define CMD_MEDIA_TEST 0xF1
204: #define CMD_ACCESS_LOG 0xF2
205: #define CMD_WRITE_FULL 0xFC
206: #define CMD_MANAGE_PRIMARY 0xFD
207: #define CMD_EXECUTE_DATA 0xFE
208:
209: /* SCSI status bits */
210:
211: #define STS_CHECKCOND 0x02 /* Check Condition (ie., read sense) */
212: #define STS_CONDMET 0x04 /* Condition Met (ie., search worked) */
213: #define STS_BUSY 0x08
214: #define STS_INTERMED 0x10 /* Intermediate status sent */
215: #define STS_EXT 0x80 /* Extended status valid */
216:
217: /* command descriptor blocks */
218:
219: struct scsi_cdb6 {
220: u_char cmd; /* command code */
221: u_char lun: 3, /* logical unit on ctlr */
222: lbah: 5; /* msb of read/write logical block addr */
223: u_char lbam; /* middle byte of l.b.a. */
224: u_char lbal; /* lsb of l.b.a. */
225: u_char len; /* transfer length */
226: u_char xtra;
227: };
228:
229: struct scsi_cdb10 {
230: u_char cmd; /* command code */
231: u_char lun: 3, /* logical unit on ctlr */
232: : 4,
233: rel: 1; /* l.b.a. is relative addr if =1 */
234: u_char lbah; /* msb of read/write logical block addr */
235: u_char lbahm; /* high middle byte of l.b.a. */
236: u_char lbalm; /* low middle byte of l.b.a. */
237: u_char lbal; /* lsb of l.b.a. */
238: u_char reserved;
239: u_char lenh; /* msb transfer length */
240: u_char lenl; /* lsb transfer length */
241: u_char xtra;
242: };
243:
244: /* basic sense data */
245:
246: struct scsi_sense {
247: u_char valid: 1, /* l.b.a. is valid */
248: class: 3,
249: code: 4;
250: u_char vu: 4, /* vendor unique */
251: lbah: 4;
252: u_char lbam;
253: u_char lbal;
254: };
255:
256: struct scsi_xsense {
257: u_char valid: 1, /* l.b.a. is valid */
258: class: 3,
259: code: 4;
260: u_char segment;
261: u_char filemark: 1,
262: eom: 1,
263: ili: 1, /* illegal length indicator */
264: rsvd: 1,
265: key: 4;
266: u_char info1;
267: u_char info2;
268: u_char info3;
269: u_char info4;
270: u_char len; /* additional sense length */
271: };
272:
273: /* inquiry data */
274: struct scsi_inquiry {
275: u_char type;
276: u_char qual;
277: u_char version;
278: u_char rsvd;
279: u_char len;
280: char class[3];
281: char vendor_id[8];
282: char product_id[16];
283: char rev[4];
284: };
285:
286: struct scsi_format_parms { /* physical BFI format */
287: u_short reserved;
288: u_short list_len;
289: struct defect {
290: unsigned cyl : 24;
291: unsigned head : 8;
292: long bytes_from_index;
293: } defect[127];
294: } format_parms;
295:
296: struct scsi_reassign_parms {
297: u_short reserved;
298: u_short list_len; /* length in bytes of defects only */
299: struct new_defect {
300: unsigned lba; /* logical block address */
301: } new_defect[2];
302: } reassign_parms;
303:
304: struct scsi_modesel_hdr {
305: u_char rsvd1;
306: u_char media_type;
307: u_char rsvd2;
308: u_char block_desc_len;
309: u_int density : 8;
310: u_int number_blocks :24;
311: u_int rsvd3 : 8;
312: u_int block_length :24;
313: };
314:
315: struct scsi_modesense_hdr {
316: u_char len;
317: u_char media_type;
318: u_char wp : 1;
319: u_char rsvd1 : 7;
320: u_char block_desc_len;
321: u_int density : 8;
322: u_int number_blocks :24;
323: u_int rsvd2 : 8;
324: u_int block_length :24;
325: };
326:
327: /*
328: * Mode Select / Mode sense "pages"
329: */
330:
331: /*
332: * Page One - Error Recovery Parameters
333: */
334: struct scsi_err_recovery {
335: u_char page_savable : 1; /* save parameters */
336: u_char reserved : 1;
337: u_char page_code : 6; /* = 0x01 */
338: u_char page_length; /* = 6 */
339: u_char awre : 1; /* auto write realloc enabled */
340: u_char arre : 1; /* auto read realloc enabled */
341: u_char tb : 1; /* transfer block */
342: u_char rc : 1; /* read continuous */
343: u_char eec : 1; /* enable early correction */
344: u_char per : 1; /* post error */
345: u_char dte : 1; /* disable transfer on error */
346: u_char dcr : 1; /* disable correction */
347: u_char retry_count;
348: u_char correction_span;
349: u_char head_offset_count;
350: u_char strobe_offset_count;
351: u_char recovery_time_limit;
352: };
353:
354: /*
355: * Page Two - Disconnect / Reconnect Control Parameters
356: */
357: struct scsi_disco_reco {
358: u_char page_savable : 1; /* save parameters */
359: u_char rsvd : 1;
360: u_char page_code : 6; /* = 0x02 */
361: u_char page_length; /* = 10 */
362: u_char buffer_full_ratio; /* write, how full before reconnect? */
363: u_char buffer_empty_ratio; /* read, how full before reconnect? */
364:
365: u_short bus_inactivity_limit; /* how much bus time for busy */
366: u_short disconnect_time_limit; /* min to remain disconnected */
367: u_short connect_time_limit; /* min to remain connected */
368: u_short reserved_1;
369: };
370:
371: /*
372: * Page Three - Direct Access Device Format Parameters
373: */
374: struct scsi_format {
375: u_char page_savable : 1; /* save parameters */
376: u_char rsvd : 1;
377: u_char page_code : 6; /* = 0x03 */
378: u_char page_length; /* = 22 */
379: u_short tracks_per_zone; /* Handling of Defects Fields */
380: u_short alt_sect_zone;
381: u_short alt_tracks_zone;
382: u_short alt_tracks_vol;
383: u_short sect_track; /* Track Format Field */
384: u_short data_sect; /* Sector Format Fields */
385: u_short interleave;
386: u_short track_skew_factor;
387: u_short cyl_skew_factor;
388: u_char ssec : 1; /* Drive Type Field */
389: u_char hsec : 1;
390: u_char rmb : 1;
391: u_char surf : 1;
392: u_char ins : 1;
393: u_char reserved_1 : 3;
394: u_char reserved_2;
395: u_char reserved_3;
396: u_char reserved_4;
397: };
398:
399: /*
400: * Page Four - Rigid Disk Drive Geometry Parameters
401: */
402: struct scsi_geometry {
403: u_char page_savable : 1; /* save parameters */
404: u_char rsvd : 1;
405: u_char page_code : 6; /* = 0x04 */
406: u_char page_length; /* = 18 */
407: u_char cyl_ub; /* number of cylinders */
408: u_char cyl_mb;
409: u_char cyl_lb;
410: u_char heads; /* number of heads */
411: u_char precomp_cyl_ub; /* cylinder to start precomp */
412: u_char precomp_cyl_mb;
413: u_char precomp_cyl_lb;
414: u_char current_cyl_ub; /* cyl to start reduced current */
415: u_char current_cyl_mb;
416: u_char current_cyl_lb;
417: u_short step_rate; /* drive step rate */
418: u_char landing_cyl_ub; /* landing zone cylinder */
419: u_char landing_cyl_mb;
420: u_char landing_cyl_lb;
421: u_char reserved_1;
422: u_char reserved_2;
423: u_char reserved_3;
424: };
425:
426: /*
427: * Page 0x38 - Cache Control Parameters
428: */
429: struct scsi_cache {
430: u_char page_savable : 1; /* save parameters */
431: u_char rsvd : 1;
432: u_char page_code : 6; /* = 0x38 */
433: u_char page_length; /* = 14 */
434: u_char rsvd_1 : 1;
435: u_char wie : 1; /* write index enable */
436: u_char rsvd_2 : 1;
437: u_char ce : 1; /* cache enable */
438: u_char table_size : 4;
439: u_char prefetch_threshold;
440: u_char maximum_threshold;
441: u_char maximumprefetch_multiplier;
442: u_char minimum_threshold;
443: u_char minimum_prefetch_multiplier;
444: u_char reserved[8];
445: };
446:
447: /*
448: * Control for SCSI "format" mode.
449: *
450: * "Format" mode allows a privileged process to issue direct SCSI
451: * commands to a drive (it is intended primarily to allow on-line
452: * formatting). SDIOCSFORMAT with a non-zero arg will put the drive
453: * into format mode; a zero arg will take it out. When in format
454: * mode, only the process that issued the SDIOCFORMAT can read or
455: * write the drive.
456: *
457: * In format mode, process is expected to
458: * - do SDIOCSCSICOMMAND to supply cdb for next SCSI op
459: * - do read or write as appropriate for cdb
460: * - if i/o error, optionally do SDIOCSENSE to get completion
461: * status and sense data from last scsi operation.
462: */
463:
464: struct scsi_fmt_cdb {
465: int len; /* cdb length (in bytes) */
466: u_char cdb[28]; /* cdb to use on next read/write */
467: };
468:
469: struct scsi_fmt_sense {
470: u_int status; /* completion status of last op */
471: u_char sense[28]; /* sense data (if any) from last op */
472: };
473:
474: #define SDIOCSFORMAT _IOW('S', 0x1, int)
475: #define SDIOCGFORMAT _IOR('S', 0x2, int)
476: #define SDIOCSCSICOMMAND _IOW('S', 0x3, struct scsi_fmt_cdb)
477: #define SDIOCSENSE _IOR('S', 0x4, struct scsi_fmt_sense)
478:
479: int scsialive(int);
480: int scsi_read_capacity(int, int, u_char *, u_int);
481: int scsi_test_unit_rdy(int, int);
482: int scsi_tt_read(int, int, u_char *, u_int, daddr_t, u_int);
483: int scsi_tt_write(int, int, u_char *, u_int, daddr_t, u_int);
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