e5cf9f6134
to the last copy from Julian. After this commit I will be commiting the local fixes and makeing diffs to send back to Julian so he can update his code. ---- From julian@jules.DIALix.oz.au Thu Aug 5 09:25:23 1993 To: hd@world.std.com, julian@jules.DIALix.oz.au Cc: nate@bsd.coe.montana.edu Subject: Re: new scsi ---- From julian@jules.DIALix.oz.au Sat Aug 7 04:13:17 1993 To: hd@world.std.com (HD Associates) Cc: nate@bsd.coe.montana.edu Subject: Re: timeout diffs Here are the diffs to take the scsi stuff to my latest tree from what Nate and you received.. the changes remove all the local timeout stuff and use (un)timeout(), ---- From julian@jules.DIALix.oz.au Sat Aug 7 04:13:45 1993 To: hd@world.std.com (HD Associates) Cc: nate@bsd.coe.montana.edu, briggs@csugrad.cs.vt.edu here is a fix for a silly bug in the scsiconf I just sent out and a similar fix for st.c
236 lines
4.6 KiB
C
236 lines
4.6 KiB
C
/*
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* Written by Julian Elischer (julian@tfs.com)
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* for TRW Financial Systems.
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*
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* TRW Financial Systems, in accordance with their agreement with Carnegie
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* Mellon University, makes this software available to CMU to distribute
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* or use in any manner that they see fit as long as this message is kept with
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* the software. For this reason TFS also grants any other persons or
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* organisations permission to use or modify this software.
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*
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* TFS supplies this software to be publicly redistributed
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* on the understanding that TFS is not responsible for the correct
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* functioning of this software in any circumstances.
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*
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*
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* PATCHES MAGIC LEVEL PATCH THAT GOT US HERE
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* -------------------- ----- ----------------------
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* CURRENT PATCH LEVEL: 1 00098
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* -------------------- ----- ----------------------
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*
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* 16 Feb 93 Julian Elischer ADDED for SCSI system
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*/
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/*
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* Ported to run under 386BSD by Julian Elischer (julian@tfs.com) Sept 1992
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*/
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/*
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* Define two bits always in the same place in byte 2 (flag byte)
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*/
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#define CD_RELADDR 0x01
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#define CD_MSF 0x02
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/*
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* SCSI command format
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*/
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struct scsi_read_capacity_cd
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{
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u_char op_code;
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u_char byte2;
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u_char addr_3; /* Most Significant */
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u_char addr_2;
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u_char addr_1;
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u_char addr_0; /* Least Significant */
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u_char unused[3];
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u_char control;
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};
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struct scsi_pause
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{
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u_char op_code;
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u_char byte2;
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u_char unused[6];
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u_char resume;
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u_char control;
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};
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#define PA_PAUSE 1
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#define PA_RESUME 0
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struct scsi_play_msf
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{
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u_char op_code;
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u_char byte2;
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u_char unused;
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u_char start_m;
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u_char start_s;
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u_char start_f;
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u_char end_m;
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u_char end_s;
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u_char end_f;
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u_char control;
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};
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struct scsi_play_track
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{
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u_char op_code;
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u_char byte2;
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u_char unused[2];
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u_char start_track;
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u_char start_index;
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u_char unused1;
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u_char end_track;
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u_char end_index;
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u_char control;
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};
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struct scsi_play
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{
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u_char op_code;
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u_char byte2;
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u_char blk_addr[4];
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u_char unused;
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u_char xfer_len[2];
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u_char control;
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};
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struct scsi_play_big
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{
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u_char op_code;
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u_char byte2; /* same as above */
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u_char blk_addr[4];
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u_char xfer_len[4];
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u_char unused;
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u_char control;
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};
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struct scsi_play_rel_big
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{
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u_char op_code;
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u_char byte2; /* same as above */
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u_char blk_addr[4];
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u_char xfer_len[4];
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u_char track;
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u_char control;
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};
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struct scsi_read_header
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{
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u_char op_code;
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u_char byte2;
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u_char blk_addr[4];
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u_char unused;
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u_char data_len[2];
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u_char control;
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};
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struct scsi_read_subchannel
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{
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u_char op_code;
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u_char byte2;
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u_char byte3;
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#define SRS_SUBQ 0x40
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u_char subchan_format;
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u_char unused[2];
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u_char track;
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u_char data_len[2];
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u_char control;
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};
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struct scsi_read_toc
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{
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u_char op_code;
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u_char byte2;
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u_char unused[4];
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u_char from_track;
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u_char data_len[2];
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u_char control;
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};
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;
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struct scsi_read_cd_capacity
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{
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u_char op_code;
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u_char byte2;
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u_char addr_3; /* Most Significant */
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u_char addr_2;
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u_char addr_1;
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u_char addr_0; /* Least Significant */
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u_char unused[3];
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u_char control;
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};
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/*
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* Opcodes
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*/
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#define READ_CD_CAPACITY 0x25 /* slightly different from disk */
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#define READ_SUBCHANNEL 0x42 /* cdrom read Subchannel */
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#define READ_TOC 0x43 /* cdrom read TOC */
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#define READ_HEADER 0x44 /* cdrom read header */
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#define PLAY 0x45 /* cdrom play 'play audio' mode */
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#define PLAY_MSF 0x47 /* cdrom play Min,Sec,Frames mode */
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#define PLAY_TRACK 0x48 /* cdrom play track/index mode */
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#define PLAY_TRACK_REL 0x49 /* cdrom play track/index mode */
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#define PAUSE 0x4b /* cdrom pause in 'play audio' mode */
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#define PLAY_BIG 0xa5 /* cdrom pause in 'play audio' mode */
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#define PLAY_TRACK_REL_BIG 0xa9 /* cdrom play track/index mode */
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struct scsi_read_cd_cap_data
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{
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u_char addr_3; /* Most significant */
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u_char addr_2;
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u_char addr_1;
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u_char addr_0; /* Least significant */
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u_char length_3; /* Most significant */
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u_char length_2;
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u_char length_1;
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u_char length_0; /* Least significant */
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};
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union cd_pages
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{
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struct audio_page
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{
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u_char page_code;
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#define CD_PAGE_CODE 0x3F
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#define AUDIO_PAGE 0x0e
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#define CD_PAGE_PS 0x80
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u_char param_len;
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u_char flags;
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#define CD_PA_SOTC 0x02
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#define CD_PA_IMMED 0x04
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u_char unused[2];
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u_char format_lba;
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#define CD_PA_FORMAT_LBA 0x0F
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#define CD_PA_APR_VALID 0x80
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u_char lb_per_sec[2];
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struct port_control
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{
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u_char channels;
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#define CHANNEL 0x0F
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#define CHANNEL_0 1
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#define CHANNEL_1 2
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#define CHANNEL_2 4
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#define CHANNEL_3 8
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#define LEFT_CHANNEL CHANNEL_0
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#define RIGHT_CHANNEL CHANNEL_1
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u_char volume;
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} port[4];
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#define LEFT_PORT 0
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#define RIGHT_PORT 1
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}audio;
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};
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struct cd_mode_data
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{
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struct scsi_mode_header header;
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struct blk_desc blk_desc;
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union cd_pages page;
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};
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