psi240i.c
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上传日期:2013-02-24
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- /*+M*************************************************************************
- * Perceptive Solutions, Inc. PSI-240I device driver proc support for Linux.
- *
- * Copyright (c) 1997 Perceptive Solutions, Inc.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2, or (at your option)
- * any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; see the file COPYING. If not, write to
- * the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
- *
- *
- * File Name: psi240i.c
- *
- * Description: SCSI driver for the PSI240I EIDE interface card.
- *
- *-M*************************************************************************/
- #include <linux/module.h>
- #include <linux/kernel.h>
- #include <linux/types.h>
- #include <linux/string.h>
- #include <linux/ioport.h>
- #include <linux/delay.h>
- #include <linux/sched.h>
- #include <linux/proc_fs.h>
- #include <linux/spinlock.h>
- #include <asm/dma.h>
- #include <asm/system.h>
- #include <asm/io.h>
- #include <linux/blk.h>
- #include "scsi.h"
- #include "hosts.h"
- #include "psi240i.h"
- #include "psi_chip.h"
- #include<linux/stat.h>
- //#define DEBUG 1
- #ifdef DEBUG
- #define DEB(x) x
- #else
- #define DEB(x)
- #endif
- #define MAXBOARDS 2 /* Increase this and the sizes of the arrays below, if you need more. */
- #define PORT_DATA 0
- #define PORT_ERROR 1
- #define PORT_SECTOR_COUNT 2
- #define PORT_LBA_0 3
- #define PORT_LBA_8 4
- #define PORT_LBA_16 5
- #define PORT_LBA_24 6
- #define PORT_STAT_CMD 7
- #define PORT_SEL_FAIL 8
- #define PORT_IRQ_STATUS 9
- #define PORT_ADDRESS 10
- #define PORT_FAIL 11
- #define PORT_ALT_STAT 12
- typedef struct
- {
- UCHAR device; // device code
- UCHAR byte6; // device select register image
- UCHAR spigot; // spigot number
- UCHAR expectingIRQ; // flag for expecting and interrupt
- USHORT sectors; // number of sectors per track
- USHORT heads; // number of heads
- USHORT cylinders; // number of cylinders for this device
- USHORT spareword; // placeholder
- ULONG blocks; // number of blocks on device
- } OUR_DEVICE, *POUR_DEVICE;
- typedef struct
- {
- USHORT ports[13];
- OUR_DEVICE device[8];
- Scsi_Cmnd *pSCmnd;
- IDE_STRUCT ide;
- ULONG startSector;
- USHORT sectorCount;
- Scsi_Cmnd *SCpnt;
- VOID *buffer;
- USHORT expectingIRQ;
- } ADAPTER240I, *PADAPTER240I;
- #define HOSTDATA(host) ((PADAPTER240I)&host->hostdata)
- static struct Scsi_Host *PsiHost[6] = {NULL,}; /* One for each IRQ level (10-15) */
- static IDENTIFY_DATA identifyData;
- static SETUP ChipSetup;
- static USHORT portAddr[6] = {CHIP_ADRS_0, CHIP_ADRS_1, CHIP_ADRS_2, CHIP_ADRS_3, CHIP_ADRS_4, CHIP_ADRS_5};
- /****************************************************************
- * Name: WriteData :LOCAL
- *
- * Description: Write data to device.
- *
- * Parameters: padapter - Pointer adapter data structure.
- *
- * Returns: TRUE if drive does not assert DRQ in time.
- *
- ****************************************************************/
- static int WriteData (PADAPTER240I padapter)
- {
- ULONG timer;
- USHORT *pports = padapter->ports;
- timer = jiffies + TIMEOUT_DRQ; // calculate the timeout value
- do {
- if ( inb_p (pports[PORT_STAT_CMD]) & IDE_STATUS_DRQ )
- {
- outsw (pports[PORT_DATA], padapter->buffer, (USHORT)padapter->ide.ide.ide[2] * 256);
- return 0;
- }
- } while ( time_after(timer, jiffies) ); // test for timeout
- padapter->ide.ide.ides.cmd = 0; // null out the command byte
- return 1;
- }
- /****************************************************************
- * Name: IdeCmd :LOCAL
- *
- * Description: Process a queued command from the SCSI manager.
- *
- * Parameters: padapter - Pointer adapter data structure.
- *
- * Returns: Zero if no error or status register contents on error.
- *
- ****************************************************************/
- static UCHAR IdeCmd (PADAPTER240I padapter)
- {
- ULONG timer;
- USHORT *pports = padapter->ports;
- UCHAR status;
- outb_p (padapter->ide.ide.ides.spigot, pports[PORT_SEL_FAIL]); // select the spigot
- outb_p (padapter->ide.ide.ide[6], pports[PORT_LBA_24]); // select the drive
- timer = jiffies + TIMEOUT_READY; // calculate the timeout value
- do {
- status = inb_p (padapter->ports[PORT_STAT_CMD]);
- if ( status & IDE_STATUS_DRDY )
- {
- outb_p (padapter->ide.ide.ide[2], pports[PORT_SECTOR_COUNT]);
- outb_p (padapter->ide.ide.ide[3], pports[PORT_LBA_0]);
- outb_p (padapter->ide.ide.ide[4], pports[PORT_LBA_8]);
- outb_p (padapter->ide.ide.ide[5], pports[PORT_LBA_16]);
- padapter->expectingIRQ = 1;
- outb_p (padapter->ide.ide.ide[7], pports[PORT_STAT_CMD]);
- if ( padapter->ide.ide.ides.cmd == IDE_CMD_WRITE_MULTIPLE )
- return (WriteData (padapter));
- return 0;
- }
- } while ( time_after(timer, jiffies) ); // test for timeout
- padapter->ide.ide.ides.cmd = 0; // null out the command byte
- return status;
- }
- /****************************************************************
- * Name: SetupTransfer :LOCAL
- *
- * Description: Setup a data transfer command.
- *
- * Parameters: padapter - Pointer adapter data structure.
- * drive - Drive/head register upper nibble only.
- *
- * Returns: TRUE if no data to transfer.
- *
- ****************************************************************/
- static int SetupTransfer (PADAPTER240I padapter, UCHAR drive)
- {
- if ( padapter->sectorCount )
- {
- *(ULONG *)padapter->ide.ide.ides.lba = padapter->startSector;
- padapter->ide.ide.ide[6] |= drive;
- padapter->ide.ide.ides.sectors = ( padapter->sectorCount > SECTORSXFER ) ? SECTORSXFER : padapter->sectorCount;
- padapter->sectorCount -= padapter->ide.ide.ides.sectors; // bump the start and count for next xfer
- padapter->startSector += padapter->ide.ide.ides.sectors;
- return 0;
- }
- else
- {
- padapter->ide.ide.ides.cmd = 0; // null out the command byte
- padapter->SCpnt = NULL;
- return 1;
- }
- }
- /****************************************************************
- * Name: DecodeError :LOCAL
- *
- * Description: Decode and process device errors.
- *
- * Parameters: pshost - Pointer to host data block.
- * status - Status register code.
- *
- * Returns: The driver status code.
- *
- ****************************************************************/
- static ULONG DecodeError (struct Scsi_Host *pshost, UCHAR status)
- {
- PADAPTER240I padapter = HOSTDATA(pshost);
- UCHAR error;
- padapter->expectingIRQ = 0;
- padapter->SCpnt = NULL;
- if ( status & IDE_STATUS_WRITE_FAULT )
- {
- return DID_PARITY << 16;
- }
- if ( status & IDE_STATUS_BUSY )
- return DID_BUS_BUSY << 16;
- error = inb_p (padapter->ports[PORT_ERROR]);
- DEB(printk ("npsi240i error register: %x", error));
- switch ( error )
- {
- case IDE_ERROR_AMNF:
- case IDE_ERROR_TKONF:
- case IDE_ERROR_ABRT:
- case IDE_ERROR_IDFN:
- case IDE_ERROR_UNC:
- case IDE_ERROR_BBK:
- default:
- return DID_ERROR << 16;
- }
- return DID_ERROR << 16;
- }
- /****************************************************************
- * Name: Irq_Handler :LOCAL
- *
- * Description: Interrupt handler.
- *
- * Parameters: irq - Hardware IRQ number.
- * dev_id -
- * regs -
- *
- * Returns: TRUE if drive is not ready in time.
- *
- ****************************************************************/
- static void Irq_Handler (int irq, void *dev_id, struct pt_regs *regs)
- {
- struct Scsi_Host *shost; // Pointer to host data block
- PADAPTER240I padapter; // Pointer to adapter control structure
- USHORT *pports; // I/O port array
- Scsi_Cmnd *SCpnt;
- UCHAR status;
- int z;
- DEB(printk ("npsi240i received interruptn"));
- shost = PsiHost[irq - 10];
- if ( !shost )
- panic ("Splunge!");
- padapter = HOSTDATA(shost);
- pports = padapter->ports;
- SCpnt = padapter->SCpnt;
- if ( !padapter->expectingIRQ )
- {
- DEB(printk ("npsi240i Unsolicited interruptn"));
- return;
- }
- padapter->expectingIRQ = 0;
- status = inb_p (padapter->ports[PORT_STAT_CMD]); // read the device status
- if ( status & (IDE_STATUS_ERROR | IDE_STATUS_WRITE_FAULT) )
- goto irqerror;
- DEB(printk ("npsi240i processing interrupt"));
- switch ( padapter->ide.ide.ides.cmd ) // decide how to handle the interrupt
- {
- case IDE_CMD_READ_MULTIPLE:
- if ( status & IDE_STATUS_DRQ )
- {
- insw (pports[PORT_DATA], padapter->buffer, (USHORT)padapter->ide.ide.ides.sectors * 256);
- padapter->buffer += padapter->ide.ide.ides.sectors * 512;
- if ( SetupTransfer (padapter, padapter->ide.ide.ide[6] & 0xF0) )
- {
- SCpnt->result = DID_OK << 16;
- padapter->SCpnt = NULL;
- SCpnt->scsi_done (SCpnt);
- return;
- }
- if ( !(status = IdeCmd (padapter)) )
- return;
- }
- break;
- case IDE_CMD_WRITE_MULTIPLE:
- padapter->buffer += padapter->ide.ide.ides.sectors * 512;
- if ( SetupTransfer (padapter, padapter->ide.ide.ide[6] & 0xF0) )
- {
- SCpnt->result = DID_OK << 16;
- padapter->SCpnt = NULL;
- SCpnt->scsi_done (SCpnt);
- return;
- }
- if ( !(status = IdeCmd (padapter)) )
- return;
- break;
- case IDE_COMMAND_IDENTIFY:
- {
- PINQUIRYDATA pinquiryData = SCpnt->request_buffer;
- if ( status & IDE_STATUS_DRQ )
- {
- insw (pports[PORT_DATA], &identifyData, sizeof (identifyData) >> 1);
- memset (pinquiryData, 0, SCpnt->request_bufflen); // Zero INQUIRY data structure.
- pinquiryData->DeviceType = 0;
- pinquiryData->Versions = 2;
- pinquiryData->AdditionalLength = 35 - 4;
- // Fill in vendor identification fields.
- for ( z = 0; z < 20; z += 2 )
- {
- pinquiryData->VendorId[z] = ((UCHAR *)identifyData.ModelNumber)[z + 1];
- pinquiryData->VendorId[z + 1] = ((UCHAR *)identifyData.ModelNumber)[z];
- }
- // Initialize unused portion of product id.
- for ( z = 0; z < 4; z++ )
- pinquiryData->ProductId[12 + z] = ' ';
- // Move firmware revision from IDENTIFY data to
- // product revision in INQUIRY data.
- for ( z = 0; z < 4; z += 2 )
- {
- pinquiryData->ProductRevisionLevel[z] = ((UCHAR *)identifyData.FirmwareRevision)[z + 1];
- pinquiryData->ProductRevisionLevel[z + 1] = ((UCHAR *)identifyData.FirmwareRevision)[z];
- }
- SCpnt->result = DID_OK << 16;
- padapter->SCpnt = NULL;
- SCpnt->scsi_done (SCpnt);
- return;
- }
- break;
- }
- default:
- SCpnt->result = DID_OK << 16;
- padapter->SCpnt = NULL;
- SCpnt->scsi_done (SCpnt);
- return;
- }
- irqerror:;
- DEB(printk ("npsi240i error Device Status: %Xn", status));
- SCpnt->result = DecodeError (shost, status);
- SCpnt->scsi_done (SCpnt);
- }
- static void do_Irq_Handler (int irq, void *dev_id, struct pt_regs *regs)
- {
- unsigned long flags;
- spin_lock_irqsave(&io_request_lock, flags);
- Irq_Handler(irq, dev_id, regs);
- spin_unlock_irqrestore(&io_request_lock, flags);
- }
- /****************************************************************
- * Name: Psi240i_QueueCommand
- *
- * Description: Process a queued command from the SCSI manager.
- *
- * Parameters: SCpnt - Pointer to SCSI command structure.
- * done - Pointer to done function to call.
- *
- * Returns: Status code.
- *
- ****************************************************************/
- int Psi240i_QueueCommand (Scsi_Cmnd *SCpnt, void (*done)(Scsi_Cmnd *))
- {
- UCHAR *cdb = (UCHAR *)SCpnt->cmnd; // Pointer to SCSI CDB
- PADAPTER240I padapter = HOSTDATA(SCpnt->host); // Pointer to adapter control structure
- POUR_DEVICE pdev = &padapter->device[SCpnt->target];// Pointer to device information
- UCHAR rc; // command return code
- SCpnt->scsi_done = done;
- padapter->ide.ide.ides.spigot = pdev->spigot;
- padapter->buffer = SCpnt->request_buffer;
- if (done)
- {
- if ( !pdev->device )
- {
- SCpnt->result = DID_BAD_TARGET << 16;
- done (SCpnt);
- return 0;
- }
- }
- else
- {
- printk("psi240i_queuecommand: %02X: done can't be NULLn", *cdb);
- return 0;
- }
- switch ( *cdb )
- {
- case SCSIOP_INQUIRY: // inquiry CDB
- {
- padapter->ide.ide.ide[6] = pdev->byte6;
- padapter->ide.ide.ides.cmd = IDE_COMMAND_IDENTIFY;
- break;
- }
- case SCSIOP_TEST_UNIT_READY: // test unit ready CDB
- SCpnt->result = DID_OK << 16;
- done (SCpnt);
- return 0;
- case SCSIOP_READ_CAPACITY: // read capctiy CDB
- {
- PREAD_CAPACITY_DATA pdata = (PREAD_CAPACITY_DATA)SCpnt->request_buffer;
- pdata->blksiz = 0x20000;
- XANY2SCSI ((UCHAR *)&pdata->blks, pdev->blocks);
- SCpnt->result = DID_OK << 16;
- done (SCpnt);
- return 0;
- }
- case SCSIOP_VERIFY: // verify CDB
- *(ULONG *)padapter->ide.ide.ides.lba = XSCSI2LONG (&cdb[2]);
- padapter->ide.ide.ide[6] |= pdev->byte6;
- padapter->ide.ide.ide[2] = (UCHAR)((USHORT)cdb[8] | ((USHORT)cdb[7] << 8));
- padapter->ide.ide.ides.cmd = IDE_COMMAND_VERIFY;
- break;
- case SCSIOP_READ: // read10 CDB
- padapter->startSector = XSCSI2LONG (&cdb[2]);
- padapter->sectorCount = (USHORT)cdb[8] | ((USHORT)cdb[7] << 8);
- SetupTransfer (padapter, pdev->byte6);
- padapter->ide.ide.ides.cmd = IDE_CMD_READ_MULTIPLE;
- break;
- case SCSIOP_READ6: // read6 CDB
- padapter->startSector = SCSI2LONG (&cdb[1]);
- padapter->sectorCount = cdb[4];
- SetupTransfer (padapter, pdev->byte6);
- padapter->ide.ide.ides.cmd = IDE_CMD_READ_MULTIPLE;
- break;
- case SCSIOP_WRITE: // write10 CDB
- padapter->startSector = XSCSI2LONG (&cdb[2]);
- padapter->sectorCount = (USHORT)cdb[8] | ((USHORT)cdb[7] << 8);
- SetupTransfer (padapter, pdev->byte6);
- padapter->ide.ide.ides.cmd = IDE_CMD_WRITE_MULTIPLE;
- break;
- case SCSIOP_WRITE6: // write6 CDB
- padapter->startSector = SCSI2LONG (&cdb[1]);
- padapter->sectorCount = cdb[4];
- SetupTransfer (padapter, pdev->byte6);
- padapter->ide.ide.ides.cmd = IDE_CMD_WRITE_MULTIPLE;
- break;
- default:
- DEB (printk ("psi240i_queuecommand: Unsupported command %02Xn", *cdb));
- SCpnt->result = DID_ERROR << 16;
- done (SCpnt);
- return 0;
- }
- padapter->SCpnt = SCpnt; // Save this command data
- rc = IdeCmd (padapter);
- if ( rc )
- {
- padapter->expectingIRQ = 0;
- DEB (printk ("psi240i_queuecommand: %02X, %02X: Device failed to respond for commandn", *cdb, padapter->ide.ide.ides.cmd));
- SCpnt->result = DID_ERROR << 16;
- done (SCpnt);
- return 0;
- }
- DEB (printk("psi240i_queuecommand: %02X, %02X now waiting for interrupt ", *cdb, padapter->ide.ide.ides.cmd));
- return 0;
- }
- static void internal_done(Scsi_Cmnd * SCpnt)
- {
- SCpnt->SCp.Status++;
- }
- /****************************************************************
- * Name: Psi240i_Command
- *
- * Description: Process a command from the SCSI manager.
- *
- * Parameters: SCpnt - Pointer to SCSI command structure.
- *
- * Returns: Status code.
- *
- ****************************************************************/
- int Psi240i_Command (Scsi_Cmnd *SCpnt)
- {
- DEB(printk("psi240i_command: ..calling psi240i_queuecommandn"));
- Psi240i_QueueCommand (SCpnt, internal_done);
- SCpnt->SCp.Status = 0;
- while (!SCpnt->SCp.Status)
- barrier ();
- return SCpnt->result;
- }
- /***************************************************************************
- * Name: ReadChipMemory
- *
- * Description: Read information from controller memory.
- *
- * Parameters: psetup - Pointer to memory image of setup information.
- * base - base address of memory.
- * length - lenght of data space in bytes.
- * port - I/O address of data port.
- *
- * Returns: Nothing.
- *
- **************************************************************************/
- void ReadChipMemory (void *pdata, USHORT base, USHORT length, USHORT port)
- {
- USHORT z, zz;
- UCHAR *pd = (UCHAR *)pdata;
- outb_p (SEL_NONE, port + REG_SEL_FAIL); // setup data port
- zz = 0;
- while ( zz < length )
- {
- outw_p (base, port + REG_ADDRESS); // setup address
- for ( z = 0; z < 8; z++ )
- {
- if ( (zz + z) < length )
- *pd++ = inb_p (port + z); // read data byte
- }
- zz += 8;
- base += 8;
- }
- }
- /****************************************************************
- * Name: Psi240i_Detect
- *
- * Description: Detect and initialize our boards.
- *
- * Parameters: tpnt - Pointer to SCSI host template structure.
- *
- * Returns: Number of adapters found.
- *
- ****************************************************************/
- int Psi240i_Detect (Scsi_Host_Template *tpnt)
- {
- int board;
- int count = 0;
- int unit;
- int z;
- USHORT port;
- CHIP_CONFIG_N chipConfig;
- CHIP_DEVICE_N chipDevice[8];
- struct Scsi_Host *pshost;
- ULONG flags;
- for ( board = 0; board < 6; board++ ) // scan for I/O ports
- {
- port = portAddr[board]; // get base address to test
- if ( check_region (port, 16) ) // test for I/O addresses available
- continue; // nope
- if ( inb_p (port + REG_FAIL) != CHIP_ID ) // do the first test for likley hood that it is us
- continue;
- outb_p (SEL_NONE, port + REG_SEL_FAIL); // setup EEPROM/RAM access
- outw (0, port + REG_ADDRESS); // setup EEPROM address zero
- if ( inb_p (port) != 0x55 ) // test 1st byte
- continue; // nope
- if ( inb_p (port + 1) != 0xAA ) // test 2nd byte
- continue; // nope
- // at this point our board is found and can be accessed. Now we need to initialize
- // our informatation and register with the kernel.
- ReadChipMemory (&chipConfig, CHIP_CONFIG, sizeof (chipConfig), port);
- ReadChipMemory (&chipDevice, CHIP_DEVICE, sizeof (chipDevice), port);
- ReadChipMemory (&ChipSetup, CHIP_EEPROM_DATA, sizeof (ChipSetup), port);
- if ( !chipConfig.numDrives ) // if no devices on this board
- continue;
- pshost = scsi_register (tpnt, sizeof(ADAPTER240I));
- if(pshost == NULL)
- continue;
- save_flags (flags);
- cli ();
- if ( request_irq (chipConfig.irq, do_Irq_Handler, 0, "psi240i", NULL) )
- {
- printk ("Unable to allocate IRQ for PSI-240I controller.n");
- restore_flags (flags);
- goto unregister;
- }
- PsiHost[chipConfig.irq - 10] = pshost;
- pshost->unique_id = port;
- pshost->io_port = port;
- pshost->n_io_port = 16; /* Number of bytes of I/O space used */
- pshost->irq = chipConfig.irq;
- for ( z = 0; z < 11; z++ ) // build regester address array
- HOSTDATA(pshost)->ports[z] = port + z;
- HOSTDATA(pshost)->ports[11] = port + REG_FAIL;
- HOSTDATA(pshost)->ports[12] = port + REG_ALT_STAT;
- DEB (printk ("nPorts ="));
- DEB (for (z=0;z<13;z++) printk(" %#04X",HOSTDATA(pshost)->ports[z]););
- for ( z = 0; z < chipConfig.numDrives; ++z )
- {
- unit = chipDevice[z].channel & 0x0F;
- HOSTDATA(pshost)->device[unit].device = ChipSetup.setupDevice[unit].device;
- HOSTDATA(pshost)->device[unit].byte6 = (UCHAR)(((unit & 1) << 4) | 0xE0);
- HOSTDATA(pshost)->device[unit].spigot = (UCHAR)(1 << (unit >> 1));
- HOSTDATA(pshost)->device[unit].sectors = ChipSetup.setupDevice[unit].sectors;
- HOSTDATA(pshost)->device[unit].heads = ChipSetup.setupDevice[unit].heads;
- HOSTDATA(pshost)->device[unit].cylinders = ChipSetup.setupDevice[unit].cylinders;
- HOSTDATA(pshost)->device[unit].blocks = ChipSetup.setupDevice[unit].blocks;
- DEB (printk ("nHOSTDATA->device = %X", HOSTDATA(pshost)->device[unit].device));
- DEB (printk ("n byte6 = %X", HOSTDATA(pshost)->device[unit].byte6));
- DEB (printk ("n spigot = %X", HOSTDATA(pshost)->device[unit].spigot));
- DEB (printk ("n sectors = %X", HOSTDATA(pshost)->device[unit].sectors));
- DEB (printk ("n heads = %X", HOSTDATA(pshost)->device[unit].heads));
- DEB (printk ("n cylinders = %X", HOSTDATA(pshost)->device[unit].cylinders));
- DEB (printk ("n blocks = %lX", HOSTDATA(pshost)->device[unit].blocks));
- }
- restore_flags (flags);
- printk("nPSI-240I EIDE CONTROLLER: at I/O = %x IRQ = %dn", port, chipConfig.irq);
- printk("(C) 1997 Perceptive Solutions, Inc. All rights reservednn");
- count++;
- continue;
- unregister:;
- scsi_unregister (pshost);
- }
- return count;
- }
- /****************************************************************
- * Name: Psi240i_Abort
- *
- * Description: Process the Abort command from the SCSI manager.
- *
- * Parameters: SCpnt - Pointer to SCSI command structure.
- *
- * Returns: Allways snooze.
- *
- ****************************************************************/
- int Psi240i_Abort (Scsi_Cmnd *SCpnt)
- {
- DEB (printk ("psi240i_abortn"));
- return SCSI_ABORT_SNOOZE;
- }
- /****************************************************************
- * Name: Psi240i_Reset
- *
- * Description: Process the Reset command from the SCSI manager.
- *
- * Parameters: SCpnt - Pointer to SCSI command structure.
- * flags - Flags about the reset command
- *
- * Returns: No active command at this time, so this means
- * that each time we got some kind of response the
- * last time through. Tell the mid-level code to
- * request sense information in order to decide what
- * to do next.
- *
- ****************************************************************/
- int Psi240i_Reset (Scsi_Cmnd *SCpnt, unsigned int reset_flags)
- {
- return SCSI_RESET_PUNT;
- }
- #include "sd.h"
- /****************************************************************
- * Name: Psi240i_BiosParam
- *
- * Description: Process the biosparam request from the SCSI manager to
- * return C/H/S data.
- *
- * Parameters: disk - Pointer to SCSI disk structure.
- * dev - Major/minor number from kernel.
- * geom - Pointer to integer array to place geometry data.
- *
- * Returns: zero.
- *
- ****************************************************************/
- int Psi240i_BiosParam (Scsi_Disk *disk, kdev_t dev, int geom[])
- {
- POUR_DEVICE pdev;
- pdev = &(HOSTDATA(disk->device->host)->device[disk->device->id]);
- geom[0] = pdev->heads;
- geom[1] = pdev->sectors;
- geom[2] = pdev->cylinders;
- return 0;
- }
- MODULE_LICENSE("GPL");
- /* Eventually this will go into an include file, but this will be later */
- static Scsi_Host_Template driver_template = PSI240I;
- #include "scsi_module.c"