diff options
author | Constantine Sapuntzakis <csapuntz@cvs.openbsd.org> | 1999-07-25 07:09:21 +0000 |
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committer | Constantine Sapuntzakis <csapuntz@cvs.openbsd.org> | 1999-07-25 07:09:21 +0000 |
commit | c5091939f49bf18ce06780a7e49c968611317f11 (patch) | |
tree | 14ea0ba2b7d637c18fe007d908ef0886d939202f /sys/scsi/atapi_disk.h | |
parent | 7c82046e621c85d85b87aaa0519535530e5c9d83 (diff) |
Merge sd stuff from NetBSD-current. Helps with LS-120, ZIP
More SCSI logic from NetBSD-current
Some tape fixes. ATAPI tapes do not work yet for most operations.
Diffstat (limited to 'sys/scsi/atapi_disk.h')
-rw-r--r-- | sys/scsi/atapi_disk.h | 101 |
1 files changed, 101 insertions, 0 deletions
diff --git a/sys/scsi/atapi_disk.h b/sys/scsi/atapi_disk.h new file mode 100644 index 00000000000..36b545a1c21 --- /dev/null +++ b/sys/scsi/atapi_disk.h @@ -0,0 +1,101 @@ +/* $OpenBSD: atapi_disk.h,v 1.1 1999/07/25 07:09:19 csapuntz Exp $ */ +/* $NetBSD: atapi_disk.h,v 1.3 1998/02/13 08:28:21 enami Exp $ */ + +/* + * Copyright 1998 + * Digital Equipment Corporation. All rights reserved. + * + * This software is furnished under license and may be used and + * copied only in accordance with the following terms and conditions. + * Subject to these conditions, you may download, copy, install, + * use, modify and distribute this software in source and/or binary + * form. No title or ownership is transferred hereby. + * + * 1) Any source code used, modified or distributed must reproduce + * and retain this copyright notice and list of conditions as + * they appear in the source file. + * + * 2) No right is granted to use any trade name, trademark, or logo of + * Digital Equipment Corporation. Neither the "Digital Equipment + * Corporation" name nor any trademark or logo of Digital Equipment + * Corporation may be used to endorse or promote products derived + * from this software without the prior written permission of + * Digital Equipment Corporation. + * + * 3) This software is provided "AS-IS" and any express or implied + * warranties, including but not limited to, any implied warranties + * of merchantability, fitness for a particular purpose, or + * non-infringement are disclaimed. In no event shall DIGITAL be + * liable for any damages whatsoever, and in particular, DIGITAL + * shall not be liable for special, indirect, consequential, or + * incidental damages or damages for lost profits, loss of + * revenue or loss of use, whether such damages arise in contract, + * negligence, tort, under statute, in equity, at law or otherwise, + * even if advised of the possibility of such damage. + */ + +/* + * Definitions of commands and structures specific to ATAPI disks. + * + * Chris Demetriou, January 10, 1998. + */ + +#define ATAPI_READ_FORMAT_CAPACITIES 0x23 +struct atapi_read_format_capacities { + u_int8_t opcode; + u_int8_t byte2; + u_int8_t reserved1[5]; + u_int8_t length[2]; + u_int8_t reserved2[3]; +}; + +struct atapi_capacity_list_header { + u_int8_t reserved[3]; + u_int8_t length; +}; + +struct atapi_capacity_descriptor { + u_int8_t nblks[4]; + u_int8_t byte5; + u_int8_t blklen[3]; +}; + +/* codes only valid in the current/maximum capacity descriptor */ +#define ATAPI_CAP_DESC_CODE_MASK 0x3 +/* reserved 0x0 */ +#define ATAPI_CAP_DESC_CODE_UNFORMATTED 0x1 +#define ATAPI_CAP_DESC_CODE_FORMATTED 0x2 +#define ATAPI_CAP_DESC_CODE_NONE 0x3 + +#define ATAPI_CAP_DESC_SIZE(n) \ + (sizeof(struct atapi_capacity_list_header) + \ + (n) * sizeof(struct atapi_capacity_descriptor)) +#define ATAPI_CAP_DESC_OFFSET_HEADER 0 +#define ATAPI_CAP_DESC_OFFSET_DESC(n) ATAPI_CAP_DESC_SIZE(n) + +struct atapi_flex_geometry_page { + u_int8_t pg_code; /* page code */ + u_int8_t pg_length; /* page length */ + u_int8_t xfr_rate[2]; /* transfer rate, Kb/sec */ + u_int8_t nheads; /* number of heads */ + u_int8_t ph_sec_tr; /* physical sectors per track */ + u_int8_t blklen[2]; /* block length (bytes per sector) */ + u_int8_t ncyl[2]; /* number of cylinders */ + u_int8_t reserved1[18]; + u_int8_t rot_rate[2]; /* medium rotation rate (RPM) */ +}; + +#define ATAPI_FLEX_GEOMETRY_PAGE 0x05 + +union atapi_sd_pages { + u_int8_t page_code; + struct atapi_flex_geometry_page flex_geometry; +}; + +struct atapi_sd_mode_data { + struct atapi_mode_header header; + union atapi_sd_pages pages; +}; + +#define FLEXGEOMETRYPAGESIZE \ + (sizeof(struct atapi_mode_header) + sizeof(struct atapi_flex_geometry_page)) |