Windows NT 4.0 source code leak
You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
 
 
 
 
 
 

215 lines
4.6 KiB

/*****************************************************************************
*
* COPYRIGHT 1993 - COLORADO MEMORY SYSTEMS, INC.
* ALL RIGHTS RESERVED.
*
******************************************************************************
*
* FILE: \SE\DRIVER\Q117CD\SRC\0X11048.C
*
* FUNCTION: cqd_CMSSetupTrack
*
* PURPOSE:
*
* HISTORY:
* $Log: J:\se.vcs\driver\q117cd\src\0x11048.c $
*
* Rev 1.6 17 Feb 1994 11:37:12 KEVINKES
* Added an extra parameter to WaitCC.
*
* Rev 1.5 18 Jan 1994 16:20:40 KEVINKES
* Updated debug code.
*
* Rev 1.4 11 Jan 1994 15:03:00 KEVINKES
* Cleaned up code and added a call to AtLogicalBot.
*
* Rev 1.3 23 Nov 1993 18:49:30 KEVINKES
* Modified CHECKED_DUMP calls for debugging over the serial port.
*
* Rev 1.2 08 Nov 1993 14:06:26 KEVINKES
* Removed all bit-field structures, removed all enumerated types, changed
* all defines to uppercase, and removed all signed data types wherever
* possible.
*
* Rev 1.1 25 Oct 1993 16:17:38 KEVINKES
* Changed kdi_wt2ticks to kdi_wt004ms.
*
* Rev 1.0 18 Oct 1993 17:32:58 KEVINKES
* Initial Revision.
*
*****************************************************************************/
#define FCT_ID 0x11048
#include "include\public\adi_api.h"
#include "include\public\frb_api.h"
#include "include\private\kdi_pub.h"
#include "include\private\cqd_pub.h"
#include "q117cd\include\cqd_defs.h"
#include "q117cd\include\cqd_strc.h"
#include "q117cd\include\cqd_hdr.h"
/*endinclude*/
dStatus cqd_CMSSetupTrack
(
/* INPUT PARAMETERS: */
CqdContextPtr cqd_context,
/* UPDATE PARAMETERS: */
/* OUTPUT PARAMETERS: */
dBooleanPtr new_track
)
/* COMMENTS: *****************************************************************
*
* DEFINITIONS: *************************************************************/
{
/* DATA: ********************************************************************/
dStatus status=ERR_NO_ERR; /* Status or error condition.*/
dUDWord wait_time=kdi_wt0ms; /* time_out for the QIC-117 commands */
/* CODE: ********************************************************************/
if ((cqd_context->rd_wr_op.d_track !=
cqd_context->operation_status.current_track) ||
(cqd_context->rd_wr_op.d_segment == 0)) {
if ((status = cqd_StopTape(cqd_context)) != DONT_PANIC) {
return status;
}
}
if (cqd_context->rd_wr_op.d_segment == 0) {
if ((cqd_context->operation_status.current_track & 1) == 0) {
status = cqd_SendByte(cqd_context, FW_CMD_PHYSICAL_REV);
} else {
status = cqd_SendByte(cqd_context, FW_CMD_PHYSICAL_FWD);
}
if (status != DONT_PANIC) {
return status;
}
wait_time = cqd_context->floppy_tape_parms.time_out[PHYSICAL];
kdi_Sleep(cqd_context->kdi_context, kdi_wt025ms, dFALSE);
}
if (cqd_context->rd_wr_op.d_track !=
cqd_context->operation_status.current_track) {
if ((status = cqd_SendByte(cqd_context, FW_CMD_SEEK_TRACK)) != DONT_PANIC) {
return status;
}
kdi_Sleep(cqd_context->kdi_context, INTERVAL_CMD, dFALSE);
if ((status = cqd_SendByte(
cqd_context,
(dUByte)(cqd_context->rd_wr_op.d_track + CMD_OFFSET)))
!= DONT_PANIC) {
return status;
}
if (wait_time == kdi_wt0ms) {
wait_time = INTERVAL_TRK_CHANGE;
}
}
if (wait_time != kdi_wt0ms) {
if ((status = cqd_WaitCommandComplete(
cqd_context,
wait_time,
dFALSE)) != DONT_PANIC) {
return status;
}
}
if (cqd_context->rd_wr_op.d_segment == 0) {
if ((cqd_context->operation_status.current_track & 1) == 0) {
if (!cqd_context->rd_wr_op.bot) {
kdi_CheckedDump(
QIC117WARN,
"SeekErr - not at BOT\n", 0l);
return kdi_Error(ERR_SEEK_FAILED, FCT_ID, ERR_SEQ_1);
}
} else {
if (!cqd_context->rd_wr_op.eot) {
kdi_CheckedDump(
QIC117WARN,
"SeekErr - not at EOT\n", 0l);
return kdi_Error(ERR_SEEK_FAILED, FCT_ID, ERR_SEQ_2);
}
}
cqd_context->operation_status.current_segment = 0;
}
if (cqd_context->rd_wr_op.d_track !=
cqd_context->operation_status.current_track) {
cqd_context->operation_status.current_track =
cqd_context->rd_wr_op.d_track;
if (cqd_context->rd_wr_op.bot ||
cqd_context->rd_wr_op.eot) {
if (cqd_AtLogicalBOT(cqd_context)) {
cqd_context->operation_status.current_segment = 0;
} else {
cqd_context->operation_status.current_segment =
cqd_context->tape_cfg.seg_tape_track;
}
}
if (!cqd_context->rd_wr_op.bot &&
!cqd_context->rd_wr_op.eot) {
*new_track = dTRUE;
}
}
return status;
}