NT4/private/ntos/dd/qic117/0x11010.c
2020-09-30 17:12:29 +02:00

199 lines
5.8 KiB
C
Raw Permalink Blame History

This file contains invisible Unicode characters

This file contains invisible Unicode characters that are indistinguishable to humans but may be processed differently by a computer. If you think that this is intentional, you can safely ignore this warning. Use the Escape button to reveal them.

/*****************************************************************************
*
* COPYRIGHT 1993 - COLORADO MEMORY SYSTEMS, INC.
* ALL RIGHTS RESERVED.
*
******************************************************************************
*
* FILE: \SE\DRIVER\DEVICE\JUMBO\SRC\0X11010.C
*
* FUNCTION: cqd_CmdReportDeviceCfg
*
* PURPOSE: Find if and where tape drive is (B or D). Configure the drive
* and tape drive as necessary.
*
* HISTORY:
* $Log: J:\se.vcs\driver\q117cd\src\0x11010.c $
*
*
*****************************************************************************/
#define FCT_ID 0x11010
#include "include\public\adi_api.h"
#include "include\public\frb_api.h"
#include "include\public\vendor.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_CmdReportDeviceCfg
(
/* INPUT PARAMETERS: */
CqdContextPtr cqd_context,
DriveCfgDataPtr drv_cfg
/* UPDATE PARAMETERS: */
/* OUTPUT PARAMETERS: */
)
/* COMMENTS: *****************************************************************
*
* DEFINITIONS: *************************************************************/
{
/* DATA: ********************************************************************/
dStatus status; /* dStatus or error condition.*/
dBoolean device_selected=dFALSE;
/* CODE: ********************************************************************/
cqd_context->configured = dFALSE;
cqd_context->device_cfg = drv_cfg->device_cfg;
cqd_InitDeviceDescriptor(cqd_context);
/* Load defaults into the return descriptor
* in case the configuration fails */
drv_cfg->device_descriptor = cqd_context->device_descriptor;
cqd_ResetFDC(cqd_context);
(dVoid)cqd_GetFDCType(cqd_context);
/* Temporarily setup the FDC transfer rate stored in cqd_context. This
* preliminary setting will be used to determine the drive class for native
* 3020 drives. If the drive is a 3020 and the FDC is 500 Kbps, the drive
* class will be casted to 3010. The FDC transfer rate is set "officially"
* by cqd_SenseSpeed, which needs to know the drive class in order to match
* the FDC and tape drive transfer rates. To solve this "chicken-and-egg"
* situation, the FDC rate is set temporarily by cqd_SetTempFDCRate. */
cqd_SetTempFDCRate( cqd_context );
if ((status = cqd_LocateDevice(cqd_context)) == DONT_PANIC) {
if ((status = cqd_CmdSelectDevice(cqd_context)) == DONT_PANIC) {
device_selected = dTRUE;
cqd_context->device_cfg.perp_mode_select =
(dUByte)(1 << (cqd_context->device_cfg.select_byte &
DRIVE_ID_MASK));
status = cqd_GetDeviceError(cqd_context);
if (kdi_GetErrorType(status) == ERR_DRV_NOT_READY) {
status = cqd_WaitCommandComplete(
cqd_context,
kdi_wt300s,
dFALSE);
}
switch (kdi_GetErrorType(status)) {
case ERR_FW_PWR_ON_RESET:
status = DONT_PANIC;
break;
case ERR_FW_CMD_REC_DURING_CMD:
/* For some reason a SUMMIT drive will return this error
* when a new tape is inserted during the select polling.
* This clears the error.
*/
if (cqd_context->device_descriptor.vendor == VENDOR_MOUNTAIN_SUMMIT) {
status = cqd_GetDeviceError(cqd_context);
}
break;
case ERR_FW_INVALID_MEDIA:
/* This fixes the Jumbo B firmware bug where a tape put into */
/* the drive slowly is perceive (incorrectly) as invalid media. */
/* Since there is no way of knowing the maker of the drive */
/* (e.g. CMS, Irwin, etc.), or the type of drive (QIC40, QIC80), */
/* it is assumed that it is a CMS QIC80 drive, and cqd_frmware_fix */
/* is called. */
status = cqd_ClearTapeError(cqd_context);
break;
case ERR_KDI_TO_EXPIRED:
status = kdi_Error(ERR_TAPE_FAULT, FCT_ID, ERR_SEQ_1);
break;
}
}
}
if (status == DONT_PANIC) {
/* Now that we know where the tape drive is we must prepare */
/* it for the forthcoming operations. First thing is to make */
/* sure that it is in Primary mode so there are no Invalid Command */
/* surprises. Once in Primary mode, we can determine what flavor */
/* of drive is out there (CMS or alien; QIC-40, QIC-80, XR4, etc). */
/* Next, we need to determine the speed of the FDC so we can set the */
/* corresponding speed on our drive (currently this only applies to */
/* the CMS drive since we are the only multiple speed drive out */
/* there). Finally, armed with the drive type and the FDC speed, */
/* we need to set the necessary speed in the tape drive which is */
/* done in ConfigureDrive. */
cqd_context->drive_parms.mode = DIAGNOSTIC_1_MODE;
if ((status = cqd_SetDeviceMode(cqd_context, PRIMARY_MODE)) == DONT_PANIC) {
cqd_context->device_descriptor.vendor = VENDOR_UNKNOWN;
if ((status = cqd_GetDeviceType(cqd_context)) == DONT_PANIC) {
if (cqd_context->device_cfg.new_drive) {
status = cqd_SenseSpeed(cqd_context, drv_cfg->hardware_cfg.dma);
}
if (status == DONT_PANIC) {
cqd_context->configured = dTRUE;
drv_cfg->device_descriptor = cqd_context->device_descriptor;
if (cqd_context->device_cfg.new_drive) {
cqd_context->device_cfg.new_drive = dFALSE;
drv_cfg->device_cfg = cqd_context->device_cfg;
}
}
}
}
}
cqd_CmdDeselectDevice(cqd_context, device_selected);
kdi_UpdateRegistryInfo(
cqd_context->kdi_context,
&cqd_context->device_descriptor,
&cqd_context->device_cfg );
return status;
}