NT4/private/ntos/dd/qic117/0x11043.c
2020-09-30 17:12:29 +02:00

110 lines
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C
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/*****************************************************************************
*
* COPYRIGHT 1993 - COLORADO MEMORY SYSTEMS, INC.
* ALL RIGHTS RESERVED.
*
******************************************************************************
*
* FILE: \SE\DRIVER\DEVICE\JUMBO\SRC\0X11043.C
*
* FUNCTION: cqd_SetBack
*
* PURPOSE: Reset any tape drive head offset due to off-track retries.
*
* HISTORY:
* $Log: J:\se.vcs\driver\q117cd\src\0x11043.c $
*
* Rev 1.4 17 Feb 1994 11:35:34 KEVINKES
* Added an extra parameter to WaitCC.
*
* Rev 1.3 11 Jan 1994 14:49:58 KEVINKES
* Changed all kdi_wtxxxx to INTERVAL_xxxxx
*
* Rev 1.2 08 Nov 1993 14:06:06 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 14:51:38 KEVINKES
* Changed kdi_wt2ticks to kdi_wt004ms.
*
* Rev 1.0 18 Oct 1993 17:32:26 KEVINKES
* Initial Revision.
*
*****************************************************************************/
#define FCT_ID 0x11043
#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_SetBack
(
/* INPUT PARAMETERS: */
CqdContextPtr cqd_context,
dUWord command
/* UPDATE PARAMETERS: */
/* OUTPUT PARAMETERS: */
)
/* COMMENTS: *****************************************************************
*
* DEFINITIONS: *************************************************************/
{
/* DATA: ********************************************************************/
dStatus status=DONT_PANIC; /* dStatus or error condition.*/
/* CODE: ********************************************************************/
if (command == CMD_READ_HEROIC) {
if (cqd_context->rd_wr_op.log_fwd == dTRUE) {
status = cqd_GetDeviceError(cqd_context);
if ((status != DONT_PANIC) &&
(kdi_GetErrorType(status) != ERR_DRV_NOT_READY)) {
return status;
}
if ((status = cqd_PauseTape(cqd_context)) != DONT_PANIC) {
return status;
}
}
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->operation_status.current_track + CMD_OFFSET))) !=
DONT_PANIC) {
return status;
}
status = cqd_WaitCommandComplete(cqd_context, INTERVAL_TRK_CHANGE, dFALSE);
}
return status;
}