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/* QETH.C (c) Copyright Jan Jaeger, 2004-2009 */
/* OSA Express */
/* This module contains device handling functions for the */
/* OSA Express emulated card */
/* Device module hdtqeth.dll devtype QETH (config) */
/* hercules.cnf: */
/* 0A00-0A02 QETH <optional parameters> */
#include "hstdinc.h"
#include "hercules.h"
#include "devtype.h"
#if defined(WIN32) && defined(OPTION_DYNAMIC_LOAD) && !defined(HDL_USE_LIBTOOL) && !defined(_MSVC_)
SYSBLK *psysblk;
#define sysblk (*psysblk)
#endif
static BYTE sense_id_bytes[] = { 0xff,
0x17, 0x31, 0x01, /* D/T */
0x17, 0x32, 0x01, /* CU/T */
0x00,
0x40, 0xfa, 0x01, 0x00, /* RCD CIW */
0x03, 0xfc, 0x01, 0x00, /*Ena Q CIW */
0x04, 0xfd, 0x01, 0x00 /* Act Q CIW */
};
/*-------------------------------------------------------------------*/
/* Initialize the device handler */
/*-------------------------------------------------------------------*/
static int qeth_init_handler ( DEVBLK *dev, int argc, char *argv[] )
{
UNREFERENCED(argc);
UNREFERENCED(argv);
logmsg(D_("dev(%4.4x) experimental driver\n"),dev->devnum);
dev->numdevid = sizeof(sense_id_bytes);
logmsg(D_("senseidnum=%d\n"),dev->numdevid);
memcpy(dev->devid, sense_id_bytes, sizeof(sense_id_bytes));
dev->devtype = dev->devid[1] << 8 | dev->devid[2];
dev->pmcw.flag4 |= PMCW4_Q;
if(!group_device(dev,3))
{
logmsg(D_("group device(%4.4x) pending\n"),dev->devnum);
return 0;
}
else
{
int i;
logmsg(D_("group = ( "));
for(i = 0; i < dev->group->acount; i++)
logmsg("%4.4x ",dev->group->memdev[i]->devnum);
logmsg(") complete\n");
}
return 0;
} /* end function qeth_init_handler */
/*-------------------------------------------------------------------*/
/* Query the device definition */
/*-------------------------------------------------------------------*/
static void qeth_query_device (DEVBLK *dev, char **class,
int buflen, char *buffer)
{
BEGIN_DEVICE_CLASS_QUERY( "QETH", dev, class, buflen, buffer );
snprintf (buffer, buflen, "\n");
} /* end function qeth_query_device */
/*-------------------------------------------------------------------*/
/* Close the device */
/*-------------------------------------------------------------------*/
static int qeth_close_device ( DEVBLK *dev )
{
UNREFERENCED(dev);
/* Close the device file */
return 0;
} /* end function qeth_close_device */
/*-------------------------------------------------------------------*/
/* Execute a Channel Command Word */
/*-------------------------------------------------------------------*/
static void qeth_execute_ccw ( DEVBLK *dev, BYTE code, BYTE flags,
BYTE chained, U16 count, BYTE prevcode, int ccwseq,
BYTE *iobuf, BYTE *more, BYTE *unitstat, U16 *residual )
{
int rc = 0; /* Return code */
int num; /* Number of bytes to move */
int blocksize = 1024;
#define CONFIG_DATA_SIZE 1024
UNREFERENCED(flags);
UNREFERENCED(prevcode);
UNREFERENCED(ccwseq);
UNREFERENCED(chained);
UNREFERENCED(rc);
UNREFERENCED(blocksize);
/* Process depending on CCW opcode */
switch (code) {
case 0x01:
/*---------------------------------------------------------------*/
/* WRITE */
/*---------------------------------------------------------------*/
logmsg(D_("Write dev(%4.4x)\n"),dev->devnum);
#define WR_SIZE 0x22
/* Calculate number of bytes to read and set residual count */
num = (count < WR_SIZE) ? count : WR_SIZE;
*residual = count - num;
if (count < WR_SIZE) *more = 1;
/* Return normal status */
*unitstat = CSW_CE | CSW_DE;
break;
case 0x02:
/*---------------------------------------------------------------*/
/* READ */
/*---------------------------------------------------------------*/
logmsg(D_("Read dev(%4.4x)\n"),dev->devnum);
#define RD_SIZE 0x22
/* Calculate number of bytes to read and set residual count */
num = (count < RD_SIZE) ? count : RD_SIZE;
*residual = count - num;
if (count < RD_SIZE) *more = 1;
/* Return normal status */
*unitstat = CSW_CE | CSW_DE;
break;
case 0x03:
/*---------------------------------------------------------------*/
/* CONTROL NO-OPERATION */
/*---------------------------------------------------------------*/
logmsg(D_("NOP dev(%4.4x)\n"),dev->devnum);
*residual = 0;
*unitstat = CSW_CE | CSW_DE;
break;
case 0x04:
/*---------------------------------------------------------------*/
/* SENSE */
/*---------------------------------------------------------------*/
logmsg(D_("Sense dev(%4.4x)\n"),dev->devnum);
/* Calculate residual byte count */
num = (count < dev->numsense) ? count : dev->numsense;
*residual = count - num;
if (count < dev->numsense) *more = 1;
/* Copy device sense bytes to channel I/O buffer */
memcpy (iobuf, dev->sense, num);
/* Clear the device sense bytes */
memset (dev->sense, 0, sizeof(dev->sense));
/* Return unit status */
*unitstat = CSW_CE | CSW_DE;
break;
case 0xE4:
/*---------------------------------------------------------------*/
/* SENSE ID */
/*---------------------------------------------------------------*/
logmsg(D_("Sense ID dev(%4.4x)\n"),dev->devnum);
/* Calculate residual byte count */
num = (count < dev->numdevid) ? count : dev->numdevid;
*residual = count - num;
if (count < dev->numdevid) *more = 1;
/* Copy device identifier bytes to channel I/O buffer */
memcpy (iobuf, dev->devid, num);
/* Return unit status */
*unitstat = CSW_CE | CSW_DE;
break;
case 0xFA:
/*---------------------------------------------------------------*/
/* READ CONFIGURATION DATA */
/*---------------------------------------------------------------*/
logmsg(D_("Read Configuration Data dev(%4.4x)\n"),dev->devnum);
/* Calculate residual byte count */
num = (count < CONFIG_DATA_SIZE) ? count : CONFIG_DATA_SIZE;
*residual = count - num;
if (count < CONFIG_DATA_SIZE) *more = 1;
/* Clear the configuration data area */
memset (iobuf, 0x00, CONFIG_DATA_SIZE);
/* Return unit status */
*unitstat = CSW_CE | CSW_DE;
break;
case 0xFC:
/*---------------------------------------------------------------*/
/* ESTABLISH QUEUES */
/*---------------------------------------------------------------*/
logmsg(D_("Establish Queues dev(%4.4x)\n"),dev->devnum);
/* Calculate residual byte count */
num = (count < CONFIG_DATA_SIZE) ? count : CONFIG_DATA_SIZE;
*residual = count - num;
if (count < CONFIG_DATA_SIZE) *more = 1;
memset (iobuf, 0x00, CONFIG_DATA_SIZE);
/* INCOMPLETE ZZ
* QUEUES MUST BE SETUP HERE
*/
/* Return unit status */
*unitstat = CSW_CE | CSW_DE;
break;
case 0xFD:
/*---------------------------------------------------------------*/
/* ACTIVATE QUEUES */
/*---------------------------------------------------------------*/
logmsg(D_("Activate Queues dev(%4.4x)\n"),dev->devnum);
/* Calculate residual byte count */
num = (count < CONFIG_DATA_SIZE) ? count : CONFIG_DATA_SIZE;
*residual = count - num;
if (count < CONFIG_DATA_SIZE) *more = 1;
memset (iobuf, 0x00, CONFIG_DATA_SIZE);
/* INCOMPLETE ZZ
* QUEUES MUST BE HANDLED HERE, THIS CCW WILL ONLY EXIT
* IN CASE OF AN ERROR OR A HALT, CLEAR OR CANCEL SIGNAL
*/
/* Return unit status */
*unitstat = CSW_CE | CSW_DE;
break;
default:
/*---------------------------------------------------------------*/
/* INVALID OPERATION */
/*---------------------------------------------------------------*/
logmsg(D_("Unkown CCW dev(%4.4x) code(%2.2x)\n"),dev->devnum,code);
/* Set command reject sense byte, and unit check status */
dev->sense[0] = SENSE_CR;
*unitstat = CSW_CE | CSW_DE | CSW_UC;
} /* end switch(code) */
} /* end function qeth_execute_ccw */
/*-------------------------------------------------------------------*/
/* Signal Adapter Initiate Input */
/*-------------------------------------------------------------------*/
static int qeth_initiate_input(DEVBLK *dev, U32 qmask)
{
UNREFERENCED(qmask);
logmsg(D_("SIGA-r dev(%4.4x) qmask(%8.8x)\n"),dev->devnum);
return 0;
}
/*-------------------------------------------------------------------*/
/* Signal Adapter Initiate Output */
/*-------------------------------------------------------------------*/
static int qeth_initiate_output(DEVBLK *dev, U32 qmask)
{
UNREFERENCED(qmask);
logmsg(D_("SIGA-w dev(%4.4x) qmask(%8.8x)\n"),dev->devnum);
return 0;
}
#if defined(OPTION_DYNAMIC_LOAD)
static
#endif
DEVHND qeth_device_hndinfo =
{
&qeth_init_handler, /* Device Initialisation */
&qeth_execute_ccw, /* Device CCW execute */
&qeth_close_device, /* Device Close */
&qeth_query_device, /* Device Query */
NULL, /* Device Start channel pgm */
NULL, /* Device End channel pgm */
NULL, /* Device Resume channel pgm */
NULL, /* Device Suspend channel pgm */
NULL, /* Device Read */
NULL, /* Device Write */
NULL, /* Device Query used */
NULL, /* Device Reserve */
NULL, /* Device Release */
NULL, /* Device Attention */
NULL, /* Immediate CCW Codes */
&qeth_initiate_input, /* Signal Adapter Input */
&qeth_initiate_output, /* Signal Adapter Output */
NULL, /* Hercules suspend */
NULL /* Hercules resume */
};
/* Libtool static name colision resolution */
/* note : lt_dlopen will look for symbol & modulename_LTX_symbol */
#if !defined(HDL_BUILD_SHARED) && defined(HDL_USE_LIBTOOL)
#define hdl_ddev hdtqeth_LTX_hdl_ddev
#define hdl_depc hdtqeth_LTX_hdl_depc
#define hdl_reso hdtqeth_LTX_hdl_reso
#define hdl_init hdtqeth_LTX_hdl_init
#define hdl_fini hdtqeth_LTX_hdl_fini
#endif
#if defined(OPTION_DYNAMIC_LOAD)
HDL_DEPENDENCY_SECTION;
{
HDL_DEPENDENCY(HERCULES);
HDL_DEPENDENCY(DEVBLK);
HDL_DEPENDENCY(SYSBLK);
}
END_DEPENDENCY_SECTION
#if defined(WIN32) && !defined(HDL_USE_LIBTOOL) && !defined(_MSVC_)
#undef sysblk
HDL_RESOLVER_SECTION;
{
HDL_RESOLVE_PTRVAR( psysblk, sysblk );
}
END_RESOLVER_SECTION
#endif
HDL_DEVICE_SECTION;
{
HDL_DEVICE(QETH, qeth_device_hndinfo );
}
END_DEVICE_SECTION
#endif
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