NT4/private/ntos/dd/qic117/0x1102c.c
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/*****************************************************************************
*
* COPYRIGHT 1993 - COLORADO MEMORY SYSTEMS, INC.
* ALL RIGHTS RESERVED.
*
******************************************************************************
*
* FILE: \SE\DRIVER\DEVICE\JUMBO\SRC\0X1102C.C
*
* FUNCTION: cqd_LookForDevice
*
* PURPOSE:
*
* HISTORY:
* $Log: J:\se.vcs\driver\q117cd\src\0x1102c.c $
*
* Rev 1.1 11 Jan 1994 15:18:06 KEVINKES
* Removed the wait_tape parameter and removed the waitcc.
*
* Rev 1.0 18 Oct 1993 17:19:00 KEVINKES
* Initial Revision.
*
*****************************************************************************/
#define FCT_ID 0x1102c
#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_LookForDevice
(
/* INPUT PARAMETERS: */
CqdContextPtr cqd_context,
dUByte drive_selector
/* UPDATE PARAMETERS: */
/* OUTPUT PARAMETERS: */
)
/* COMMENTS: *****************************************************************
*
* DEFINITIONS: *************************************************************/
{
/* DATA: ********************************************************************/
dStatus status; /* dStatus or error condition.*/
/* CODE: ********************************************************************/
/* Set the drive select parameters according to the desired target drive */
/* selector. */
switch (drive_selector) {
case DRIVEB:
cqd_context->device_cfg.select_byte = selb;
cqd_context->device_cfg.deselect_byte = dselb;
cqd_context->device_cfg.drive_select = curb;
break;
case DRIVED:
cqd_context->device_cfg.select_byte = seld;
cqd_context->device_cfg.deselect_byte = dseld;
cqd_context->device_cfg.drive_select = curd;
break;
case DRIVEU:
cqd_context->device_cfg.select_byte = selu;
cqd_context->device_cfg.deselect_byte = dselu;
cqd_context->device_cfg.drive_select = curu;
break;
case DRIVEUB:
cqd_context->device_cfg.select_byte = selub;
cqd_context->device_cfg.deselect_byte = dselub;
cqd_context->device_cfg.drive_select = curub;
break;
}
/* Try to communicate with the tape drive by requesting drive status. */
/* If we can successfully communicate with the drive, wait up to the */
/* approximate maximum autoload time (150 seconds) for the tape drive */
/* to become ready. This should cover a new tape being inserted */
/* immediatley before starting a tape session. */
if ((status = cqd_CmdSelectDevice(cqd_context)) == DONT_PANIC) {
status = cqd_GetDeviceError(cqd_context);
cqd_DeselectDevice(cqd_context);
}
return status;
}