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