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Commit 099175c9 authored by James Bottomley's avatar James Bottomley
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[SCSI] remove PCI2000 and PCI2220i drivers 

From: Christoph Hellwig <hch@lst.de>

Both drivers are marked broken and haven't compiled since very early
2.5.x.  And they're for IDE hardware so they shouldn't have been
written to the SCSI layer at all.
Signed-off-by: default avatarJames Bottomley <James.Bottomley@SteelEye.com>
parent 608648cb
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drivers/scsi/Kconfig
View file @ 099175c9
......@@ -1192,28 +1192,6 @@ config SCSI_PAS16
To compile this driver as a module, choose M here: the
module will be called pas16.
config SCSI_PCI2000
tristate "PCI2000 support"
depends on PCI && SCSI && BROKEN
help
This is support for the PCI2000I EIDE interface card which acts as a
SCSI host adapter. Please read the SCSI-HOWTO, available from
<http://www.tldp.org/docs.html#howto>.
To compile this driver as a module, choose M here: the
module will be called pci2000.
config SCSI_PCI2220I
tristate "PCI2220i support"
depends on PCI && SCSI && BROKEN
help
This is support for the PCI2220i EIDE interface card which acts as a
SCSI host adapter. Please read the SCSI-HOWTO, available from
<http://www.tldp.org/docs.html#howto>.
To compile this driver as a module, choose M here: the
module will be called pci2220i.
config SCSI_PSI240I
tristate "PSI240i support"
depends on ISA && SCSI
......
drivers/scsi/Makefile
View file @ 099175c9
......@@ -50,8 +50,6 @@ obj-$(CONFIG_MVME16x_SCSI) += mvme16x.o 53c7xx.o
obj-$(CONFIG_BVME6000_SCSI) += bvme6000.o 53c7xx.o
obj-$(CONFIG_SCSI_SIM710) += 53c700.o sim710.o
obj-$(CONFIG_SCSI_ADVANSYS) += advansys.o
obj-$(CONFIG_SCSI_PCI2000) += pci2000.o
obj-$(CONFIG_SCSI_PCI2220I) += pci2220i.o
obj-$(CONFIG_SCSI_PSI240I) += psi240i.o
obj-$(CONFIG_SCSI_BUSLOGIC) += BusLogic.o
obj-$(CONFIG_SCSI_DPT_I2O) += dpt_i2o.o
......
drivers/scsi/pci2000.c deleted 100644 → 0
View file @ 608648cb
/****************************************************************************
* Perceptive Solutions, Inc. PCI-2000 device driver for Linux.
*
* pci2000.c - Linux Host Driver for PCI-2000 IntelliCache SCSI Adapters
*
* Copyright (c) 1997-1999 Perceptive Solutions, Inc.
* All Rights Reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that redistributions of source
* code retain the above copyright notice and this comment without
* modification.
*
* Technical updates and product information at:
* http://www.psidisk.com
*
* Please send questions, comments, bug reports to:
* tech@psidisk.com Technical Support
*
*
* Revisions 1.10 Jan-21-1999
* - Fixed sign on message to reflect proper controller name.
* - Added support for RAID status monitoring and control.
*
* Revisions 1.11 Mar-22-1999
* - Fixed control timeout to not lock up the entire system if
* controller goes offline completely.
*
* Revisions 1.12 Mar-26-1999
* - Fixed spinlock and PCI configuration.
*
* Revisions 1.20 Mar-27-2000
* - Added support for dynamic DMA
*
****************************************************************************/
#define PCI2000_VERSION "1.20"
#include <linux/blkdev.h>
#include <linux/interrupt.h>
#include <linux/module.h>
#include <linux/kernel.h>
#include <linux/types.h>
#include <linux/string.h>
#include <linux/pci.h>
#include <linux/ioport.h>
#include <linux/delay.h>
#include <linux/sched.h>
#include <linux/proc_fs.h>
#include <linux/stat.h>
#include <linux/spinlock.h>
#include <asm/dma.h>
#include <asm/system.h>
#include <asm/io.h>
#include "scsi.h"
#include <scsi/scsi_host.h>
#include "pci2000.h"
#include "psi_roy.h"
//#define DEBUG 1
#ifdef DEBUG
#define DEB(x) x
#define STOP_HERE {int st;for(st=0;st<100;st++){st=1;}}
#else
#define DEB(x)
#define STOP_HERE
#endif
typedef struct
{
unsigned int address;
unsigned int length;
} SCATGATH, *PSCATGATH;
typedef struct
{
Scsi_Cmnd *SCpnt;
PSCATGATH scatGath;
dma_addr_t scatGathDma;
UCHAR *cdb;
dma_addr_t cdbDma;
UCHAR tag;
} DEV2000, *PDEV2000;
typedef struct
{
ULONG basePort;
ULONG mb0;
ULONG mb1;
ULONG mb2;
ULONG mb3;
ULONG mb4;
ULONG cmd;
ULONG tag;
ULONG irqOwned;
struct pci_dev *pdev;
DEV2000 dev[MAX_BUS][MAX_UNITS];
} ADAPTER2000, *PADAPTER2000;
#define HOSTDATA(host) ((PADAPTER2000)&host->hostdata)
#define consistentLen (MAX_BUS * MAX_UNITS * (16 * sizeof (SCATGATH) + MAX_COMMAND_SIZE))
static struct Scsi_Host *PsiHost[MAXADAPTER] = {NULL,}; // One for each adapter
static int NumAdapters = 0;
/****************************************************************
* Name: WaitReady :LOCAL
*
* Description: Wait for controller ready.
*
* Parameters: padapter - Pointer adapter data structure.
*
* Returns: TRUE on not ready.
*
****************************************************************/
static int WaitReady (PADAPTER2000 padapter)
{
ULONG z;
for ( z = 0; z < (TIMEOUT_COMMAND * 4); z++ )
{
if ( !inb_p (padapter->cmd) )
return FALSE;
udelay (250);
};
return TRUE;
}
/****************************************************************
* Name: WaitReadyLong :LOCAL
*
* Description: Wait for controller ready.
*
* Parameters: padapter - Pointer adapter data structure.
*
* Returns: TRUE on not ready.
*
****************************************************************/
static int WaitReadyLong (PADAPTER2000 padapter)
{
ULONG z;
for ( z = 0; z < (5000 * 4); z++ )
{
if ( !inb_p (padapter->cmd) )
return FALSE;
udelay (250);
};
return TRUE;
}
/****************************************************************
* Name: OpDone :LOCAL
*
* Description: Clean up operation and issue done to caller.
*
* Parameters: SCpnt - Pointer to SCSI command structure.
* status - Caller status.
*
* Returns: Nothing.
*
****************************************************************/
static void OpDone (Scsi_Cmnd *SCpnt, ULONG status)
{
SCpnt->result = status;
SCpnt->scsi_done (SCpnt);
}
/****************************************************************
* Name: Command :LOCAL
*
* Description: Issue queued command to the PCI-2000.
*
* Parameters: padapter - Pointer to adapter information structure.
* cmd - PCI-2000 command byte.
*
* Returns: Non-zero command tag if operation is accepted.
*
****************************************************************/
static UCHAR Command (PADAPTER2000 padapter, UCHAR cmd)
{
outb_p (cmd, padapter->cmd);
if ( WaitReady (padapter) )
return 0;
if ( inw_p (padapter->mb0) )
return 0;
return inb_p (padapter->mb1);
}
/****************************************************************
* Name: BuildSgList :LOCAL
*
* Description: Build the scatter gather list for controller.
*
* Parameters: SCpnt - Pointer to SCSI command structure.
* padapter - Pointer to adapter information structure.
* pdev - Pointer to adapter device structure.
*
* Returns: Non-zero in not scatter gather.
*
****************************************************************/
static int BuildSgList (Scsi_Cmnd *SCpnt, PADAPTER2000 padapter, PDEV2000 pdev)
{
int z;
int zc;
struct scatterlist *sg;
if ( SCpnt->use_sg )
{
sg = (struct scatterlist *)SCpnt->request_buffer;
zc = pci_map_sg (padapter->pdev, sg, SCpnt->use_sg, SCpnt->sc_data_direction);
for ( z = 0; z < zc; z++ )
{
pdev->scatGath[z].address = cpu_to_le32 (sg_dma_address (sg));
pdev->scatGath[z].length = cpu_to_le32 (sg_dma_len (sg++));
}
outl (pdev->scatGathDma, padapter->mb2);
outl ((zc << 24) | SCpnt->request_bufflen, padapter->mb3);
return FALSE;
}
if ( !SCpnt->request_bufflen)
{
outl (0, padapter->mb2);
outl (0, padapter->mb3);
return TRUE;
}
SCpnt->SCp.have_data_in = pci_map_single (padapter->pdev,
SCpnt->request_buffer, SCpnt->request_bufflen,
SCpnt->sc_data_direction);
outl (SCpnt->SCp.have_data_in, padapter->mb2);
outl (SCpnt->request_bufflen, padapter->mb3);
return TRUE;
}
/*********************************************************************
* Name: PsiRaidCmd
*
* Description: Execute a simple command.
*
* Parameters: padapter - Pointer to adapter control structure.
* cmd - Roy command byte.
*
* Returns: Return error status.
*
********************************************************************/
static int PsiRaidCmd (PADAPTER2000 padapter, char cmd)
{
if ( WaitReady (padapter) ) // test for command register ready
return DID_TIME_OUT;
outb_p (cmd, padapter->cmd); // issue command
if ( WaitReadyLong (padapter) ) // wait for adapter ready
return DID_TIME_OUT;
return DID_OK;
}
/****************************************************************
* 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 irqreturn_t Irq_Handler (int irq, void *dev_id, struct pt_regs *regs)
{
struct Scsi_Host *shost = NULL; // Pointer to host data block
PADAPTER2000 padapter; // Pointer to adapter control structure
PDEV2000 pdev;
Scsi_Cmnd *SCpnt;
UCHAR tag = 0;
UCHAR tag0;
ULONG error;
int pun;
int bus;
int z;
unsigned long flags;
int handled = 0;
DEB(printk ("\npci2000 received interrupt "));
for ( z = 0; z < NumAdapters; z++ ) // scan for interrupt to process
{
if ( PsiHost[z]->irq == (UCHAR)(irq & 0xFF) )
{
tag = inb_p (HOSTDATA(PsiHost[z])->tag);
if ( tag )
{
shost = PsiHost[z];
break;
}
}
}
if ( !shost )
{
DEB (printk ("\npci2000: not my interrupt"));
goto out;
}
handled = 1;
spin_lock_irqsave(shost->host_lock, flags);
padapter = HOSTDATA(shost);
tag0 = tag & 0x7F; // mask off the error bit
for ( bus = 0; bus < MAX_BUS; bus++ ) // scan the busses
{
for ( pun = 0; pun < MAX_UNITS; pun++ ) // scan the targets
{
pdev = &padapter->dev[bus][pun];
if ( !pdev->tag )
continue;
if ( pdev->tag == tag0 ) // is this it?
{
pdev->tag = 0;
SCpnt = pdev->SCpnt;
goto unmapProceed;
}
}
}
outb_p (0xFF, padapter->tag); // clear the op interrupt
outb_p (CMD_DONE, padapter->cmd); // complete the op
goto irq_return; // done, but, with what?
unmapProceed:;
if ( !bus )
{
switch ( SCpnt->cmnd[0] )
{
case SCSIOP_TEST_UNIT_READY:
pci_unmap_single (padapter->pdev, SCpnt->SCp.have_data_in, sizeof (SCpnt->sense_buffer), PCI_DMA_FROMDEVICE);
goto irqProceed;
case SCSIOP_READ_CAPACITY:
pci_unmap_single (padapter->pdev, SCpnt->SCp.have_data_in, 8, PCI_DMA_FROMDEVICE);
goto irqProceed;
case SCSIOP_VERIFY:
case SCSIOP_START_STOP_UNIT:
case SCSIOP_MEDIUM_REMOVAL:
goto irqProceed;
}
}
if ( SCpnt->SCp.have_data_in )
pci_unmap_single (padapter->pdev, SCpnt->SCp.have_data_in, SCpnt->request_bufflen, SCpnt->sc_data_direction);
else
{
if ( SCpnt->use_sg )
pci_unmap_sg (padapter->pdev, (struct scatterlist *)SCpnt->request_buffer, SCpnt->use_sg, SCpnt->sc_data_direction);
}
irqProceed:;
if ( tag & ERR08_TAGGED ) // is there an error here?
{
if ( WaitReady (padapter) )
{
OpDone (SCpnt, DID_TIME_OUT << 16);
goto irq_return;
}
outb_p (tag0, padapter->mb0); // get real error code
outb_p (CMD_ERROR, padapter->cmd);
if ( WaitReady (padapter) ) // wait for controller to suck up the op
{
OpDone (SCpnt, DID_TIME_OUT << 16);
goto irq_return;
}
error = inl (padapter->mb0); // get error data
outb_p (0xFF, padapter->tag); // clear the op interrupt
outb_p (CMD_DONE, padapter->cmd); // complete the op
DEB (printk ("status: %lX ", error));
if ( error == 0x00020002 ) // is this error a check condition?
{
if ( bus ) // are we doint SCSI commands?
{
OpDone (SCpnt, (DID_OK << 16) | 2);
goto irq_return;
}
if ( *SCpnt->cmnd == SCSIOP_TEST_UNIT_READY )
OpDone (SCpnt, (DRIVER_SENSE << 24) | (DID_OK << 16) | 2); // test caller we have sense data too
else
OpDone (SCpnt, DID_ERROR << 16);
goto irq_return;
}
OpDone (SCpnt, DID_ERROR << 16);
goto irq_return;
}
outb_p (0xFF, padapter->tag); // clear the op interrupt
outb_p (CMD_DONE, padapter->cmd); // complete the op
OpDone (SCpnt, DID_OK << 16);
irq_return:
spin_unlock_irqrestore(shost->host_lock, flags);
out:
return IRQ_RETVAL(handled);
}
/****************************************************************
* Name: Pci2000_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 Pci2000_QueueCommand (Scsi_Cmnd *SCpnt, void (*done)(Scsi_Cmnd *))
{
UCHAR *cdb = (UCHAR *)SCpnt->cmnd; // Pointer to SCSI CDB
PADAPTER2000 padapter = HOSTDATA(SCpnt->device->host); // Pointer to adapter control structure
int rc = -1; // command return code
UCHAR bus = SCpnt->device->channel;
UCHAR pun = SCpnt->device->id;
UCHAR lun = SCpnt->device->lun;
UCHAR cmd;
PDEV2000 pdev = &padapter->dev[bus][pun];
if ( !done )
{
printk("pci2000_queuecommand: %02X: done can't be NULL\n", *cdb);
return 0;
}
SCpnt->scsi_done = done;
SCpnt->SCp.have_data_in = 0;
pdev->SCpnt = SCpnt; // Save this command data
if ( WaitReady (padapter) )
{
rc = DID_ERROR;
goto finished;
}
outw_p (pun | (lun << 8), padapter->mb0);
if ( bus )
{
DEB (if(*cdb) printk ("\nCDB: %X- %X %X %X %X %X %X %X %X %X %X ", SCpnt->cmd_len, cdb[0], cdb[1], cdb[2], cdb[3], cdb[4], cdb[5], cdb[6], cdb[7], cdb[8], cdb[9]));
DEB (if(*cdb) printk ("\ntimeout_per_command: %d, timeout_total: %d, timeout: %d", SCpnt->timeout_per_command,
SCpnt->timeout_total, SCpnt->timeout));
outl (SCpnt->timeout_per_command, padapter->mb1);
outb_p (CMD_SCSI_TIMEOUT, padapter->cmd);
if ( WaitReady (padapter) )
{
rc = DID_ERROR;
goto finished;
}
outw_p (pun | (lun << 8), padapter->mb0);
outw_p (SCpnt->cmd_len << 8, padapter->mb0 + 2);
memcpy (pdev->cdb, cdb, MAX_COMMAND_SIZE);
outl (pdev->cdbDma, padapter->mb1);
if ( BuildSgList (SCpnt, padapter, pdev) )
cmd = CMD_SCSI_THRU;
else
cmd = CMD_SCSI_THRU_SG;
if ( (pdev->tag = Command (padapter, cmd)) == 0 )
rc = DID_TIME_OUT;
goto finished;
}
else
{
if ( lun )
{
rc = DID_BAD_TARGET;
goto finished;
}
}
switch ( *cdb )
{
case SCSIOP_INQUIRY: // inquiry CDB
if ( cdb[2] == SC_MY_RAID )
{
switch ( cdb[3] )
{
case MY_SCSI_REBUILD:
OpDone (SCpnt, PsiRaidCmd (padapter, CMD_RAID_REBUILD) << 16);
return 0;
case MY_SCSI_ALARMMUTE:
OpDone (SCpnt, PsiRaidCmd (padapter, CMD_RAID_MUTE) << 16);
return 0;
case MY_SCSI_DEMOFAIL:
OpDone (SCpnt, PsiRaidCmd (padapter, CMD_RAID_FAIL) << 16);
return 0;
default:
if ( SCpnt->use_sg )
{
rc = DID_ERROR;
goto finished;
}
else
{
SCpnt->SCp.have_data_in = pci_map_single (padapter->pdev, SCpnt->request_buffer, SCpnt->request_bufflen,
SCpnt->sc_data_direction);
outl (SCpnt->SCp.have_data_in, padapter->mb2);
}
outl (cdb[5], padapter->mb0);
outl (cdb[3], padapter->mb3);
cmd = CMD_DASD_RAID_RQ;
break;
}
break;
}
if ( SCpnt->use_sg )
{
SCpnt->SCp.have_data_in = pci_map_single (padapter->pdev,
((struct scatterlist *)SCpnt->request_buffer)->address,
SCpnt->request_bufflen,
SCpnt->sc_data_direction);
}
else
{
SCpnt->SCp.have_data_in = pci_map_single (padapter->pdev, SCpnt->request_buffer,
SCpnt->request_bufflen,
SCpnt->sc_data_direction);
}
outl (SCpnt->SCp.have_data_in, padapter->mb2);
outl (SCpnt->request_bufflen, padapter->mb3);
cmd = CMD_DASD_SCSI_INQ;
break;
case SCSIOP_TEST_UNIT_READY: // test unit ready CDB
SCpnt->SCp.have_data_in = pci_map_single (padapter->pdev, SCpnt->sense_buffer, sizeof (SCpnt->sense_buffer), PCI_DMA_FROMDEVICE);
outl (SCpnt->SCp.have_data_in, padapter->mb2);
outl (sizeof (SCpnt->sense_buffer), padapter->mb3);
cmd = CMD_TEST_READY;
break;
case SCSIOP_READ_CAPACITY: // read capacity CDB
if ( SCpnt->use_sg )
{
SCpnt->SCp.have_data_in = pci_map_single (padapter->pdev, ((struct scatterlist *)(SCpnt->request_buffer))->address,
8, PCI_DMA_FROMDEVICE);
}
else
SCpnt->SCp.have_data_in = pci_map_single (padapter->pdev, SCpnt->request_buffer, 8, PCI_DMA_FROMDEVICE);
outl (SCpnt->SCp.have_data_in, padapter->mb2);
outl (8, padapter->mb3);
cmd = CMD_DASD_CAP;
break;
case SCSIOP_VERIFY: // verify CDB
outw_p ((USHORT)cdb[8] | ((USHORT)cdb[7] << 8), padapter->mb0 + 2);
outl (XSCSI2LONG (&cdb[2]), padapter->mb1);
cmd = CMD_READ_SG;
break;
case SCSIOP_READ: // read10 CDB
outw_p ((USHORT)cdb[8] | ((USHORT)cdb[7] << 8), padapter->mb0 + 2);
outl (XSCSI2LONG (&cdb[2]), padapter->mb1);
if ( BuildSgList (SCpnt, padapter, pdev) )
cmd = CMD_READ;
else
cmd = CMD_READ_SG;
break;
case SCSIOP_READ6: // read6 CDB
outw_p (cdb[4], padapter->mb0 + 2);
outl ((SCSI2LONG (&cdb[1])) & 0x001FFFFF, padapter->mb1);
if ( BuildSgList (SCpnt, padapter, pdev) )
cmd = CMD_READ;
else
cmd = CMD_READ_SG;
break;
case SCSIOP_WRITE: // write10 CDB
outw_p ((USHORT)cdb[8] | ((USHORT)cdb[7] << 8), padapter->mb0 + 2);
outl (XSCSI2LONG (&cdb[2]), padapter->mb1);
if ( BuildSgList (SCpnt, padapter, pdev) )
cmd = CMD_WRITE;
else
cmd = CMD_WRITE_SG;
break;
case SCSIOP_WRITE6: // write6 CDB
outw_p (cdb[4], padapter->mb0 + 2);
outl ((SCSI2LONG (&cdb[1])) & 0x001FFFFF, padapter->mb1);
if ( BuildSgList (SCpnt, padapter, pdev) )
cmd = CMD_WRITE;
else
cmd = CMD_WRITE_SG;
break;
case SCSIOP_START_STOP_UNIT:
cmd = CMD_EJECT_MEDIA;
break;
case SCSIOP_MEDIUM_REMOVAL:
switch ( cdb[4] )
{
case 0:
cmd = CMD_UNLOCK_DOOR;
break;
case 1:
cmd = CMD_LOCK_DOOR;
break;
default:
cmd = 0;
break;
}
if ( cmd )
break;
default:
DEB (printk ("pci2000_queuecommand: Unsupported command %02X\n", *cdb));
OpDone (SCpnt, DID_ERROR << 16);
return 0;
}
if ( (pdev->tag = Command (padapter, cmd)) == 0 )
rc = DID_TIME_OUT;
finished:;
if ( rc != -1 )
OpDone (SCpnt, rc << 16);
return 0;
}
/****************************************************************
* Name: Pci2000_Detect
*
* Description: Detect and initialize our boards.
*
* Parameters: tpnt - Pointer to SCSI host template structure.
*
* Returns: Number of adapters installed.
*
****************************************************************/
int Pci2000_Detect (Scsi_Host_Template *tpnt)
{
int found = 0;
int installed = 0;
struct Scsi_Host *pshost;
PADAPTER2000 padapter;
int z, zz;
int setirq;
struct pci_dev *pdev = NULL;
UCHAR *consistent;
dma_addr_t consistentDma;
while ( (pdev = pci_find_device (VENDOR_PSI, DEVICE_ROY_1, pdev)) != NULL )
{
if (pci_enable_device(pdev))
continue;
pshost = scsi_register (tpnt, sizeof(ADAPTER2000));
if(pshost == NULL)
continue;
padapter = HOSTDATA(pshost);
padapter->basePort = pci_resource_start (pdev, 1);
DEB (printk ("\nBase Regs = %#04X", padapter->basePort)); // get the base I/O port address
padapter->mb0 = padapter->basePort + RTR_MAILBOX; // get the 32 bit mail boxes
padapter->mb1 = padapter->basePort + RTR_MAILBOX + 4;
padapter->mb2 = padapter->basePort + RTR_MAILBOX + 8;
padapter->mb3 = padapter->basePort + RTR_MAILBOX + 12;
padapter->mb4 = padapter->basePort + RTR_MAILBOX + 16;
padapter->cmd = padapter->basePort + RTR_LOCAL_DOORBELL; // command register
padapter->tag = padapter->basePort + RTR_PCI_DOORBELL; // tag/response register
padapter->pdev = pdev;
if ( WaitReady (padapter) )
goto unregister;
outb_p (0x84, padapter->mb0);
outb_p (CMD_SPECIFY, padapter->cmd);
if ( WaitReady (padapter) )
goto unregister;
consistent = pci_alloc_consistent (pdev, consistentLen, &consistentDma);
if ( !consistent )
{
printk ("Unable to allocate DMA memory for PCI-2000 controller.\n");
goto unregister;
}
scsi_set_device(pshost, &pdev->dev);
pshost->irq = pdev->irq;
setirq = 1;
padapter->irqOwned = 0;
for ( z = 0; z < installed; z++ ) // scan for shared interrupts
{
if ( PsiHost[z]->irq == pshost->irq ) // if shared then, don't posses
setirq = 0;
}
if ( setirq ) // if not shared, posses
{
if ( request_irq (pshost->irq, Irq_Handler, SA_SHIRQ, "pci2000", padapter) < 0 )
{
if ( request_irq (pshost->irq, Irq_Handler, SA_INTERRUPT | SA_SHIRQ, "pci2000", padapter) < 0 )
{
printk ("Unable to allocate IRQ for PCI-2000 controller.\n");
pci_free_consistent (pdev, consistentLen, consistent, consistentDma);
goto unregister;
}
}
padapter->irqOwned = pshost->irq; // set IRQ as owned
}
PsiHost[installed] = pshost; // save SCSI_HOST pointer
pshost->io_port = padapter->basePort;
pshost->n_io_port = 0xFF;
pshost->unique_id = padapter->basePort;
pshost->max_id = 16;
pshost->max_channel = 1;
for ( zz = 0; zz < MAX_BUS; zz++ )
for ( z = 0; z < MAX_UNITS; z++ )
{
padapter->dev[zz][z].tag = 0;
padapter->dev[zz][z].scatGath = (PSCATGATH)consistent;
padapter->dev[zz][z].scatGathDma = consistentDma;
consistent += 16 * sizeof (SCATGATH);
consistentDma += 16 * sizeof (SCATGATH);
padapter->dev[zz][z].cdb = (UCHAR *)consistent;
padapter->dev[zz][z].cdbDma = consistentDma;
consistent += MAX_COMMAND_SIZE;
consistentDma += MAX_COMMAND_SIZE;
}
printk("\nPSI-2000 Intelligent Storage SCSI CONTROLLER: at I/O = %lX IRQ = %d\n", padapter->basePort, pshost->irq);
printk("Version %s, Compiled %s %s\n\n", PCI2000_VERSION, __DATE__, __TIME__);
found++;
if ( ++installed < MAXADAPTER )
continue;
break;
unregister:;
scsi_unregister (pshost);
found++;
}
NumAdapters = installed;
return installed;
}
/****************************************************************
* Name: Pci2000_Abort
*
* Description: Process the Abort command from the SCSI manager.
*
* Parameters: SCpnt - Pointer to SCSI command structure.
*
* Returns: Allways snooze.
*
****************************************************************/
int Pci2000_Abort (Scsi_Cmnd *SCpnt)
{
DEB (printk ("pci2000_abort\n"));
return SCSI_ABORT_SNOOZE;
}
/****************************************************************
* Name: Pci2000_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 Pci2000_Reset (Scsi_Cmnd *SCpnt, unsigned int reset_flags)
{
return SCSI_RESET_PUNT;
}
/****************************************************************
* Name: Pci2000_Release
*
* Description: Release resources allocated for a single each adapter.
*
* Parameters: pshost - Pointer to SCSI command structure.
*
* Returns: zero.
*
****************************************************************/
int Pci2000_Release (struct Scsi_Host *pshost)
{
PADAPTER2000 padapter = HOSTDATA (pshost);
if ( padapter->irqOwned )
free_irq (pshost->irq, padapter);
pci_free_consistent (padapter->pdev, consistentLen, padapter->dev[0][0].scatGath, padapter->dev[0][0].scatGathDma);
release_region (pshost->io_port, pshost->n_io_port);
scsi_unregister(pshost);
return 0;
}
/****************************************************************
* Name: Pci2000_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 Pci2000_BiosParam (struct scsi_device *sdev, struct block_device *dev,
sector_t capacity, int geom[])
{
PADAPTER2000 padapter;
padapter = HOSTDATA(sdev->host);
if ( WaitReady (padapter) )
return 0;
outb_p (sdev->id, padapter->mb0);
outb_p (CMD_GET_PARMS, padapter->cmd);
if ( WaitReady (padapter) )
return 0;
geom[0] = inb_p (padapter->mb2 + 3);
geom[1] = inb_p (padapter->mb2 + 2);
geom[2] = inw_p (padapter->mb2);
return 0;
}
MODULE_LICENSE("Dual BSD/GPL");
static Scsi_Host_Template driver_template = {
.proc_name = "pci2000",
.name = "PCI-2000 SCSI Intelligent Disk Controller",
.detect = Pci2000_Detect,
.release = Pci2000_Release,
.queuecommand = Pci2000_QueueCommand,
.abort = Pci2000_Abort,
.reset = Pci2000_Reset,
.bios_param = Pci2000_BiosParam,
.can_queue = 16,
.this_id = -1,
.sg_tablesize = 16,
.cmd_per_lun = 1,
.use_clustering = DISABLE_CLUSTERING,
};
#include "scsi_module.c"
drivers/scsi/pci2220i.c deleted 100644 → 0
View file @ 608648cb
/****************************************************************************
* Perceptive Solutions, Inc. PCI-2220I device driver for Linux.
*
* pci2220i.c - Linux Host Driver for PCI-2220I EIDE RAID Adapters
*
* Copyright (c) 1997-1999 Perceptive Solutions, Inc.
* All Rights Reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that redistributions of source
* code retain the above copyright notice and this comment without
* modification.
*
* Technical updates and product information at:
* http://www.psidisk.com
*
* Please send questions, comments, bug reports to:
* tech@psidisk.com Technical Support
*
*
* Revisions 1.10 Mar-26-1999
* - Updated driver for RAID and hot reconstruct support.
*
* Revisions 1.11 Mar-26-1999
* - Fixed spinlock and PCI configuration.
*
* Revision 2.00 December-1-1999
* - Added code for the PCI-2240I controller
* - Added code for ATAPI devices.
* - Double buffer for scatter/gather support
*
* Revision 2.10 March-27-2000
* - Added support for dynamic DMA
*
****************************************************************************/
#error Convert me to understand page+offset based scatterlists
//#define DEBUG 1
#include <linux/interrupt.h>
#include <linux/module.h>
#include <linux/kernel.h>
#include <linux/types.h>
#include <linux/string.h>
#include <linux/slab.h>
#include <linux/pci.h>
#include <linux/ioport.h>
#include <linux/delay.h>
#include <linux/sched.h>
#include <linux/proc_fs.h>
#include <linux/stat.h>
#include <linux/blkdev.h>
#include <linux/timer.h>
#include <linux/spinlock.h>
#include <asm/dma.h>
#include <asm/system.h>
#include <asm/io.h>
#include "scsi.h"
#include <scsi/scsi_host.h>
#include "pci2220i.h"
#include "psi_dale.h"
#define PCI2220I_VERSION "2.10"
#define READ_CMD IDE_CMD_READ_MULTIPLE
#define WRITE_CMD IDE_CMD_WRITE_MULTIPLE
#define MAX_BUS_MASTER_BLOCKS SECTORSXFER // This is the maximum we can bus master
#ifdef DEBUG
#define DEB(x) x
#define STOP_HERE() {int st;for(st=0;st<100;st++){st=1;}}
#else
#define DEB(x)
#define STOP_HERE()
#endif
#define MAXADAPTER 4 // Increase this and the sizes of the arrays below, if you need more.
typedef struct
{
UCHAR byte6; // device select register image
UCHAR spigot; // spigot number
UCHAR spigots[2]; // RAID spigots
UCHAR deviceID[2]; // device ID codes
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
DISK_MIRROR DiskMirror[2]; // RAID status and control
ULONG lastsectorlba[2]; // last addressable sector on the drive
USHORT raid; // RAID active flag
USHORT mirrorRecon;
UCHAR reconOn;
USHORT reconCount;
USHORT reconIsStarting; // indicate hot reconstruct is starting
UCHAR cmdDrqInt; // flag for command interrupt
UCHAR packet; // command packet size in bytes
} OUR_DEVICE, *POUR_DEVICE;
typedef struct
{
USHORT bigD; // identity is a PCI-2240I if true, otherwise a PCI-2220I
USHORT atapi; // this interface is for ATAPI devices only
ULONG regDmaDesc; // address of the DMA discriptor register for direction of transfer
ULONG regDmaCmdStat; // Byte #1 of DMA command status register
ULONG regDmaAddrPci; // 32 bit register for PCI address of DMA
ULONG regDmaAddrLoc; // 32 bit register for local bus address of DMA
ULONG regDmaCount; // 32 bit register for DMA transfer count
ULONG regDmaMode; // 32 bit register for DMA mode control
ULONG regRemap; // 32 bit local space remap
ULONG regDesc; // 32 bit local region descriptor
ULONG regRange; // 32 bit local range
ULONG regIrqControl; // 16 bit Interrupt enable/disable and status
ULONG regScratchPad; // scratch pad I/O base address
ULONG regBase; // Base I/O register for data space
ULONG regData; // data register I/O address
ULONG regError; // error register I/O address
ULONG regSectCount; // sector count register I/O address
ULONG regLba0; // least significant byte of LBA
ULONG regLba8; // next least significant byte of LBA
ULONG regLba16; // next most significan byte of LBA
ULONG regLba24; // head and most 4 significant bits of LBA
ULONG regStatCmd; // status on read and command on write register
ULONG regStatSel; // board status on read and spigot select on write register
ULONG regFail; // fail bits control register
ULONG regAltStat; // alternate status and drive control register
ULONG basePort; // PLX base I/O port
USHORT timingMode; // timing mode currently set for adapter
USHORT timingPIO; // TRUE if PIO timing is active
struct pci_dev *pcidev;
ULONG timingAddress; // address to use on adapter for current timing mode
ULONG irqOwned; // owned IRQ or zero if shared
UCHAR numberOfDrives; // saved number of drives on this controller
UCHAR failRegister; // current inverted data in fail register
OUR_DEVICE device[BIGD_MAXDRIVES];
DISK_MIRROR *raidData[BIGD_MAXDRIVES];
ULONG startSector;
USHORT sectorCount;
ULONG readCount;
UCHAR *currentSgBuffer;
ULONG currentSgCount;
USHORT nextSg;
UCHAR cmd;
Scsi_Cmnd *SCpnt;
POUR_DEVICE pdev; // current device opearating on
USHORT devInReconIndex;
USHORT expectingIRQ;
USHORT reconOn; // Hot reconstruct is to be done.
USHORT reconPhase; // Hot reconstruct operation is in progress.
ULONG reconSize;
USHORT demoFail; // flag for RAID failure demonstration
USHORT survivor;
USHORT failinprog;
struct timer_list reconTimer;
struct timer_list timer;
UCHAR *kBuffer;
dma_addr_t kBufferDma;
UCHAR reqSense;
UCHAR atapiCdb[16];
UCHAR atapiSpecial;
} ADAPTER2220I, *PADAPTER2220I;
#define HOSTDATA(host) ((PADAPTER2220I)&host->hostdata)
#define RECON_PHASE_READY 0x01
#define RECON_PHASE_COPY 0x02
#define RECON_PHASE_UPDATE 0x03
#define RECON_PHASE_LAST 0x04
#define RECON_PHASE_END 0x07
#define RECON_PHASE_MARKING 0x80
#define RECON_PHASE_FAILOVER 0xFF
static struct Scsi_Host *PsiHost[MAXADAPTER] = {NULL,}; // One for each adapter
static int NumAdapters = 0;
static int Installed = 0;
static SETUP DaleSetup;
static DISK_MIRROR DiskMirror[BIGD_MAXDRIVES];
static ULONG ModeArray[] = {DALE_DATA_MODE2, DALE_DATA_MODE3, DALE_DATA_MODE4, DALE_DATA_MODE5};
static ULONG ModeArray2[] = {BIGD_DATA_MODE2, BIGD_DATA_MODE3, BIGD_DATA_MODE4, BIGD_DATA_MODE5};
static void ReconTimerExpiry (unsigned long data);
/*******************************************************************************************************
* Name: Alarm
*
* Description: Sound the for the given device
*
* Parameters: padapter - Pointer adapter data structure.
* device - Device number.
*
* Returns: Nothing.
*
******************************************************************************************************/
static void Alarm (PADAPTER2220I padapter, UCHAR device)
{
UCHAR zc;
if ( padapter->bigD )
{
zc = device | (FAIL_ANY | FAIL_AUDIBLE);
if ( padapter->failRegister & FAIL_ANY )
zc |= FAIL_MULTIPLE;
padapter->failRegister = zc;
outb_p (~zc, padapter->regFail);
}
else
outb_p (0x3C | (1 << device), padapter->regFail); // sound alarm and set fail light
}
/****************************************************************
* Name: MuteAlarm :LOCAL
*
* Description: Mute the audible alarm.
*
* Parameters: padapter - Pointer adapter data structure.
*
* Returns: TRUE if drive does not assert DRQ in time.
*
****************************************************************/
static void MuteAlarm (PADAPTER2220I padapter)
{
UCHAR old;
if ( padapter->bigD )
{
padapter->failRegister &= ~FAIL_AUDIBLE;
outb_p (~padapter->failRegister, padapter->regFail);
}
else
{
old = (inb_p (padapter->regStatSel) >> 3) | (inb_p (padapter->regStatSel) & 0x83);
outb_p (old | 0x40, padapter->regFail);
}
}
/****************************************************************
* Name: WaitReady :LOCAL
*
* Description: Wait for device ready.
*
* Parameters: padapter - Pointer adapter data structure.
*
* Returns: TRUE if drive does not assert DRQ in time.
*
****************************************************************/
static int WaitReady (PADAPTER2220I padapter)
{
ULONG z;
UCHAR status;
for ( z = 0; z < (TIMEOUT_READY * 4); z++ )
{
status = inb_p (padapter->regStatCmd);
if ( (status & (IDE_STATUS_DRDY | IDE_STATUS_BUSY)) == IDE_STATUS_DRDY )
return 0;
udelay (250);
}
return status;
}
/****************************************************************
* Name: WaitReadyReset :LOCAL
*
* Description: Wait for device ready.
*
* Parameters: padapter - Pointer adapter data structure.
*
* Returns: TRUE if drive does not assert DRQ in time.
*
****************************************************************/
static int WaitReadyReset (PADAPTER2220I padapter)
{
ULONG z;
UCHAR status;
for ( z = 0; z < (125 * 16); z++ ) // wait up to 1/4 second
{
status = inb_p (padapter->regStatCmd);
if ( (status & (IDE_STATUS_DRDY | IDE_STATUS_BUSY)) == IDE_STATUS_DRDY )
{
DEB (printk ("\nPCI2220I: Reset took %ld mSec to be ready", z / 8));
return 0;
}
udelay (125);
}
DEB (printk ("\nPCI2220I: Reset took more than 2 Seconds to come ready, Disk Failure"));
return status;
}
/****************************************************************
* Name: WaitDrq :LOCAL
*
* Description: Wait for device ready for data transfer.
*
* Parameters: padapter - Pointer adapter data structure.
*
* Returns: TRUE if drive does not assert DRQ in time.
*
****************************************************************/
static int WaitDrq (PADAPTER2220I padapter)
{
ULONG z;
UCHAR status;
for ( z = 0; z < (TIMEOUT_DRQ * 4); z++ )
{
status = inb_p (padapter->regStatCmd);
if ( status & IDE_STATUS_DRQ )
return 0;
udelay (250);
}
return status;
}
/****************************************************************
* Name: AtapiWaitReady :LOCAL
*
* Description: Wait for device busy and DRQ to be cleared.
*
* Parameters: padapter - Pointer adapter data structure.
* msec - Number of milliseconds to wait.
*
* Returns: TRUE if drive does not clear busy in time.
*
****************************************************************/
static int AtapiWaitReady (PADAPTER2220I padapter, int msec)
{
int z;
for ( z = 0; z < (msec * 16); z++ )
{
if ( !(inb_p (padapter->regStatCmd) & (IDE_STATUS_BUSY | IDE_STATUS_DRQ)) )
return FALSE;
udelay (125);
}
return TRUE;
}
/****************************************************************
* Name: AtapiWaitDrq :LOCAL
*
* Description: Wait for device ready for data transfer.
*
* Parameters: padapter - Pointer adapter data structure.
* msec - Number of milliseconds to wait.
*
* Returns: TRUE if drive does not assert DRQ in time.
*
****************************************************************/
static int AtapiWaitDrq (PADAPTER2220I padapter, int msec)
{
ULONG z;
for ( z = 0; z < (msec * 16); z++ )
{
if ( inb_p (padapter->regStatCmd) & IDE_STATUS_DRQ )
return 0;
udelay (128);
}
return TRUE;
}
/****************************************************************
* Name: HardReset :LOCAL
*
* Description: Wait for device ready for data transfer.
*
* Parameters: padapter - Pointer adapter data structure.
* pdev - Pointer to device.
* spigot - Spigot number.
*
* Returns: TRUE if drive does not assert DRQ in time.
*
****************************************************************/
static int HardReset (PADAPTER2220I padapter, POUR_DEVICE pdev, UCHAR spigot)
{
DEB (printk ("\npci2220i:RESET spigot = %X devices = %d, %d", spigot, pdev->deviceID[0], pdev->deviceID[1]));
mdelay (100); // just wait 100 mSec to let drives flush
SelectSpigot (padapter, spigot | SEL_IRQ_OFF);
outb_p (0x0E, padapter->regAltStat); // reset the suvivor
udelay (100); // wait a little
outb_p (0x08, padapter->regAltStat); // clear the reset
udelay (100);
outb_p (0xA0, padapter->regLba24); // select the master drive
if ( WaitReadyReset (padapter) )
{
DEB (printk ("\npci2220i: master not ready after reset"));
return TRUE;
}
outb_p (0xB0, padapter->regLba24); // try the slave drive
if ( (inb_p (padapter->regStatCmd) & (IDE_STATUS_DRDY | IDE_STATUS_BUSY)) == IDE_STATUS_DRDY )
{
DEB (printk ("\nPCI2220I: initializing slave drive on spigot %X", spigot));
outb_p (SECTORSXFER, padapter->regSectCount);
WriteCommand (padapter, IDE_CMD_SET_MULTIPLE);
if ( WaitReady (padapter) )
{
DEB (printk ("\npci2220i: slave not ready after set multiple"));
return TRUE;
}
}
outb_p (0xA0, padapter->regLba24); // select the drive
outb_p (SECTORSXFER, padapter->regSectCount);
WriteCommand (padapter, IDE_CMD_SET_MULTIPLE);
if ( WaitReady (padapter) )
{
DEB (printk ("\npci2220i: master not ready after set multiple"));
return TRUE;
}
return FALSE;
}
/****************************************************************
* Name: AtapiReset :LOCAL
*
* Description: Wait for device ready for data transfer.
*
* Parameters: padapter - Pointer adapter data structure.
* pdev - Pointer to device.
*
* Returns: TRUE if drive does not come ready.
*
****************************************************************/
static int AtapiReset (PADAPTER2220I padapter, POUR_DEVICE pdev)
{
SelectSpigot (padapter, pdev->spigot);
AtapiDevice (padapter, pdev->byte6);
AtapiCountLo (padapter, 0);
AtapiCountHi (padapter, 0);
WriteCommand (padapter, IDE_COMMAND_ATAPI_RESET);
udelay (125);
if ( AtapiWaitReady (padapter, 1000) )
return TRUE;
if ( inb_p (padapter->regStatCmd) || (inb_p (padapter->regLba8) != 0x14) || (inb_p (padapter->regLba16) != 0xEB) )
return TRUE;
return FALSE;
}
/****************************************************************
* Name: WalkScatGath :LOCAL
*
* Description: Transfer data to/from scatter/gather buffers.
*
* Parameters: padapter - Pointer adapter data structure.
* datain - TRUE if data read.
* length - Number of bytes to transfer.
*
* Returns: Nothing.
*
****************************************************************/
static void WalkScatGath (PADAPTER2220I padapter, UCHAR datain, ULONG length)
{
ULONG count;
UCHAR *buffer = padapter->kBuffer;
while ( length )
{
count = ( length > padapter->currentSgCount ) ? padapter->currentSgCount : length;
if ( datain )
memcpy (padapter->currentSgBuffer, buffer, count);
else
memcpy (buffer, padapter->currentSgBuffer, count);
padapter->currentSgCount -= count;
if ( !padapter->currentSgCount )
{
if ( padapter->nextSg < padapter->SCpnt->use_sg )
{
padapter->currentSgBuffer = ((struct scatterlist *)padapter->SCpnt->request_buffer)[padapter->nextSg].address;
padapter->currentSgCount = ((struct scatterlist *)padapter->SCpnt->request_buffer)[padapter->nextSg].length;
padapter->nextSg++;
}
}
else
padapter->currentSgBuffer += count;
length -= count;
buffer += count;
}
}
/****************************************************************
* Name: BusMaster :LOCAL
*
* Description: Do a bus master I/O.
*
* Parameters: padapter - Pointer adapter data structure.
* datain - TRUE if data read.
* irq - TRUE if bus master interrupt expected.
*
* Returns: Nothing.
*
****************************************************************/
static void BusMaster (PADAPTER2220I padapter, UCHAR datain, UCHAR irq)
{
ULONG zl;
zl = ( padapter->sectorCount > MAX_BUS_MASTER_BLOCKS ) ? MAX_BUS_MASTER_BLOCKS : padapter->sectorCount;
padapter->sectorCount -= zl;
zl *= (ULONG)BYTES_PER_SECTOR;
if ( datain )
{
padapter->readCount = zl;
outb_p (8, padapter->regDmaDesc); // read operation
if ( padapter->bigD )
{
if ( irq && !padapter->sectorCount )
outb_p (0x0C, padapter->regDmaMode); // interrupt on
else
outb_p (0x08, padapter->regDmaMode); // no interrupt
}
else
{
if ( irq && !padapter->sectorCount )
outb_p (0x05, padapter->regDmaMode); // interrupt on
else
outb_p (0x01, padapter->regDmaMode); // no interrupt
}
}
else
{
outb_p (0x00, padapter->regDmaDesc); // write operation
if ( padapter->bigD )
outb_p (0x08, padapter->regDmaMode); // no interrupt
else
outb_p (0x01, padapter->regDmaMode); // no interrupt
WalkScatGath (padapter, FALSE, zl);
}
outl (padapter->timingAddress, padapter->regDmaAddrLoc);
outl (padapter->kBufferDma, padapter->regDmaAddrPci);
outl (zl, padapter->regDmaCount);
outb_p (0x03, padapter->regDmaCmdStat); // kick the DMA engine in gear
}
/****************************************************************
* Name: AtapiBusMaster :LOCAL
*
* Description: Do a bus master I/O.
*
* Parameters: padapter - Pointer adapter data structure.
* datain - TRUE if data read.
* length - Number of bytes to transfer.
*
* Returns: Nothing.
*
****************************************************************/
static void AtapiBusMaster (PADAPTER2220I padapter, UCHAR datain, ULONG length)
{
outl (padapter->timingAddress, padapter->regDmaAddrLoc);
outl (padapter->kBufferDma, padapter->regDmaAddrPci);
outl (length, padapter->regDmaCount);
if ( datain )
{
if ( padapter->readCount )
WalkScatGath (padapter, TRUE, padapter->readCount);
outb_p (0x08, padapter->regDmaDesc); // read operation
outb_p (0x08, padapter->regDmaMode); // no interrupt
padapter->readCount = length;
}
else
{
outb_p (0x00, padapter->regDmaDesc); // write operation
outb_p (0x08, padapter->regDmaMode); // no interrupt
if ( !padapter->atapiSpecial )
WalkScatGath (padapter, FALSE, length);
}
outb_p (0x03, padapter->regDmaCmdStat); // kick the DMA engine in gear
}
/****************************************************************
* 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 (PADAPTER2220I padapter)
{
ULONG zl;
if ( !WaitDrq (padapter) )
{
if ( padapter->timingPIO )
{
zl = (padapter->sectorCount > MAX_BUS_MASTER_BLOCKS) ? MAX_BUS_MASTER_BLOCKS : padapter->sectorCount;
WalkScatGath (padapter, FALSE, zl * BYTES_PER_SECTOR);
outsw (padapter->regData, padapter->kBuffer, zl * (BYTES_PER_SECTOR / 2));
padapter->sectorCount -= zl;
}
else
BusMaster (padapter, 0, 0);
return 0;
}
padapter->cmd = 0; // null out the command byte
return 1;
}
/****************************************************************
* Name: WriteDataBoth :LOCAL
*
* Description: Write data to device.
*
* Parameters: padapter - Pointer to adapter structure.
* pdev - Pointer to device structure
*
* Returns: Index + 1 of drive not failed or zero for OK.
*
****************************************************************/
static int WriteDataBoth (PADAPTER2220I padapter, POUR_DEVICE pdev)
{
ULONG zl;
UCHAR status0, status1;
SelectSpigot (padapter, pdev->spigots[0]);
status0 = WaitDrq (padapter);
if ( !status0 )
{
SelectSpigot (padapter, pdev->spigots[1]);
status1 = WaitDrq (padapter);
if ( !status1 )
{
SelectSpigot (padapter, pdev->spigots[0] | pdev->spigots[1] | padapter->bigD);
if ( padapter->timingPIO )
{
zl = (padapter->sectorCount > MAX_BUS_MASTER_BLOCKS) ? MAX_BUS_MASTER_BLOCKS : padapter->sectorCount;
WalkScatGath (padapter, FALSE, zl * BYTES_PER_SECTOR);
outsw (padapter->regData, padapter->kBuffer, zl * (BYTES_PER_SECTOR / 2));
padapter->sectorCount -= zl;
}
else
BusMaster (padapter, 0, 0);
return 0;
}
}
padapter->cmd = 0; // null out the command byte
if ( status0 )
return 2;
return 1;
}
/****************************************************************
* Name: IdeCmd :LOCAL
*
* Description: Process an IDE command.
*
* Parameters: padapter - Pointer adapter data structure.
* pdev - Pointer to device.
*
* Returns: Zero if no error or status register contents on error.
*
****************************************************************/
static UCHAR IdeCmd (PADAPTER2220I padapter, POUR_DEVICE pdev)
{
UCHAR status;
SelectSpigot (padapter, pdev->spigot | padapter->bigD); // select the spigot
outb_p (pdev->byte6 | ((UCHAR *)(&padapter->startSector))[3], padapter->regLba24); // select the drive
status = WaitReady (padapter);
if ( !status )
{
outb_p (padapter->sectorCount, padapter->regSectCount);
outb_p (((UCHAR *)(&padapter->startSector))[0], padapter->regLba0);
outb_p (((UCHAR *)(&padapter->startSector))[1], padapter->regLba8);
outb_p (((UCHAR *)(&padapter->startSector))[2], padapter->regLba16);
padapter->expectingIRQ = TRUE;
WriteCommand (padapter, padapter->cmd);
return 0;
}
padapter->cmd = 0; // null out the command byte
return status;
}
/****************************************************************
* Name: IdeCmdBoth :LOCAL
*
* Description: Process an IDE command to both drivers.
*
* Parameters: padapter - Pointer adapter data structure.
* pdev - Pointer to device structure
*
* Returns: Index + 1 of drive not failed or zero for OK.
*
****************************************************************/
static UCHAR IdeCmdBoth (PADAPTER2220I padapter, POUR_DEVICE pdev)
{
UCHAR status0;
UCHAR status1;
SelectSpigot (padapter, pdev->spigots[0] | pdev->spigots[1]); // select the spigots
outb_p (padapter->pdev->byte6 | ((UCHAR *)(&padapter->startSector))[3], padapter->regLba24);// select the drive
SelectSpigot (padapter, pdev->spigots[0]);
status0 = WaitReady (padapter);
if ( !status0 )
{
SelectSpigot (padapter, pdev->spigots[1]);
status1 = WaitReady (padapter);
if ( !status1 )
{
SelectSpigot (padapter, pdev->spigots[0] | pdev->spigots[1] | padapter->bigD);
outb_p (padapter->sectorCount, padapter->regSectCount);
outb_p (((UCHAR *)(&padapter->startSector))[0], padapter->regLba0);
outb_p (((UCHAR *)(&padapter->startSector))[1], padapter->regLba8);
outb_p (((UCHAR *)(&padapter->startSector))[2], padapter->regLba16);
padapter->expectingIRQ = TRUE;
WriteCommand (padapter, padapter->cmd);
return 0;
}
}
padapter->cmd = 0; // null out the command byte
if ( status0 )
return 2;
return 1;
}
/****************************************************************
* Name: OpDone :LOCAL
*
* Description: Complete an operatoin done sequence.
*
* Parameters: padapter - Pointer to host data block.
* spigot - Spigot select code.
* device - Device byte code.
*
* Returns: Nothing.
*
****************************************************************/
static void OpDone (PADAPTER2220I padapter, ULONG result)
{
Scsi_Cmnd *SCpnt = padapter->SCpnt;
if ( padapter->reconPhase )
{
padapter->reconPhase = 0;
if ( padapter->SCpnt )
{
Pci2220i_QueueCommand (SCpnt, SCpnt->scsi_done);
}
else
{
if ( padapter->reconOn )
{
ReconTimerExpiry ((unsigned long)padapter);
}
}
}
else
{
padapter->cmd = 0;
padapter->SCpnt = NULL;
padapter->pdev = NULL;
SCpnt->result = result;
SCpnt->scsi_done (SCpnt);
if ( padapter->reconOn && !padapter->reconTimer.data )
{
padapter->reconTimer.expires = jiffies + (HZ / 4); // start in 1/4 second
padapter->reconTimer.data = (unsigned long)padapter;
add_timer (&padapter->reconTimer);
}
}
}
/****************************************************************
* Name: InlineIdentify :LOCAL
*
* Description: Do an intline inquiry on a drive.
*
* Parameters: padapter - Pointer to host data block.
* spigot - Spigot select code.
* device - Device byte code.
*
* Returns: Last addressable sector or zero if none.
*
****************************************************************/
static ULONG InlineIdentify (PADAPTER2220I padapter, UCHAR spigot, UCHAR device)
{
PIDENTIFY_DATA pid = (PIDENTIFY_DATA)padapter->kBuffer;
SelectSpigot (padapter, spigot | SEL_IRQ_OFF); // select the spigot
outb_p ((device << 4) | 0xA0, padapter->regLba24); // select the drive
if ( WaitReady (padapter) )
return 0;
WriteCommand (padapter, IDE_COMMAND_IDENTIFY);
if ( WaitDrq (padapter) )
return 0;
insw (padapter->regData, padapter->kBuffer, sizeof (IDENTIFY_DATA) >> 1);
return (pid->LBATotalSectors - 1);
}
/****************************************************************
* Name: AtapiIdentify :LOCAL
*
* Description: Do an intline inquiry on a drive.
*
* Parameters: padapter - Pointer to host data block.
* pdev - Pointer to device table.
*
* Returns: TRUE on error.
*
****************************************************************/
static ULONG AtapiIdentify (PADAPTER2220I padapter, POUR_DEVICE pdev)
{
ATAPI_GENERAL_0 ag0;
USHORT zs;
int z;
AtapiDevice (padapter, pdev->byte6);
WriteCommand (padapter, IDE_COMMAND_ATAPI_IDENTIFY);
if ( AtapiWaitDrq (padapter, 3000) )
return TRUE;
*(USHORT *)&ag0 = inw_p (padapter->regData);
for ( z = 0; z < 255; z++ )
zs = inw_p (padapter->regData);
if ( ag0.ProtocolType == 2 )
{
if ( ag0.CmdDrqType == 1 )
pdev->cmdDrqInt = TRUE;
switch ( ag0.CmdPacketSize )
{
case 0:
pdev->packet = 6;
break;
case 1:
pdev->packet = 8;
break;
default:
pdev->packet = 6;
break;
}
return FALSE;
}
return TRUE;
}
/****************************************************************
* Name: Atapi2Scsi
*
* Description: Convert ATAPI data to SCSI data.
*
* Parameters: padapter - Pointer adapter data structure.
* SCpnt - Pointer to SCSI command structure.
*
* Returns: Nothing.
*
****************************************************************/
void Atapi2Scsi (PADAPTER2220I padapter, Scsi_Cmnd *SCpnt)
{
UCHAR *buff = padapter->currentSgBuffer;
switch ( SCpnt->cmnd[0] )
{
case SCSIOP_MODE_SENSE:
buff[0] = padapter->kBuffer[1];
buff[1] = padapter->kBuffer[2];
buff[2] = padapter->kBuffer[3];
buff[3] = padapter->kBuffer[7];
memcpy (&buff[4], &padapter->kBuffer[8], padapter->atapiCdb[8] - 8);
break;
case SCSIOP_INQUIRY:
padapter->kBuffer[2] = 2;
memcpy (buff, padapter->kBuffer, padapter->currentSgCount);
break;
default:
if ( padapter->readCount )
WalkScatGath (padapter, TRUE, padapter->readCount);
break;
}
}
/****************************************************************
* Name: Scsi2Atapi
*
* Description: Convert SCSI packet command to Atapi packet command.
*
* Parameters: padapter - Pointer adapter data structure.
* SCpnt - Pointer to SCSI command structure.
*
* Returns: Nothing.
*
****************************************************************/
static void Scsi2Atapi (PADAPTER2220I padapter, Scsi_Cmnd *SCpnt)
{
UCHAR *cdb = SCpnt->cmnd;
UCHAR *buff = padapter->currentSgBuffer;
switch (cdb[0])
{
case SCSIOP_READ6:
padapter->atapiCdb[0] = SCSIOP_READ;
padapter->atapiCdb[1] = cdb[1] & 0xE0;
padapter->atapiCdb[3] = cdb[1] & 0x1F;
padapter->atapiCdb[4] = cdb[2];
padapter->atapiCdb[5] = cdb[3];
padapter->atapiCdb[8] = cdb[4];
padapter->atapiCdb[9] = cdb[5];
break;
case SCSIOP_WRITE6:
padapter->atapiCdb[0] = SCSIOP_WRITE;
padapter->atapiCdb[1] = cdb[1] & 0xE0;
padapter->atapiCdb[3] = cdb[1] & 0x1F;
padapter->atapiCdb[4] = cdb[2];
padapter->atapiCdb[5] = cdb[3];
padapter->atapiCdb[8] = cdb[4];
padapter->atapiCdb[9] = cdb[5];
break;
case SCSIOP_MODE_SENSE:
padapter->atapiCdb[0] = SCSIOP_MODE_SENSE10;
padapter->atapiCdb[2] = cdb[2];
padapter->atapiCdb[8] = cdb[4] + 4;
break;
case SCSIOP_MODE_SELECT:
padapter->atapiSpecial = TRUE;
padapter->atapiCdb[0] = SCSIOP_MODE_SELECT10;
padapter->atapiCdb[1] = cdb[1] | 0x10;
memcpy (padapter->kBuffer, buff, 4);
padapter->kBuffer[4] = padapter->kBuffer[5] = 0;
padapter->kBuffer[6] = padapter->kBuffer[7] = 0;
memcpy (&padapter->kBuffer[8], &buff[4], cdb[4] - 4);
padapter->atapiCdb[8] = cdb[4] + 4;
break;
}
}
/****************************************************************
* Name: AtapiSendCdb
*
* Description: Send the CDB packet to the device.
*
* Parameters: padapter - Pointer adapter data structure.
* pdev - Pointer to device.
* cdb - Pointer to 16 byte SCSI cdb.
*
* Returns: Nothing.
*
****************************************************************/
static void AtapiSendCdb (PADAPTER2220I padapter, POUR_DEVICE pdev, CHAR *cdb)
{
DEB (printk ("\nPCI2242I: CDB: %X %X %X %X %X %X %X %X %X %X %X %X", cdb[0], cdb[1], cdb[2], cdb[3], cdb[4], cdb[5], cdb[6], cdb[7], cdb[8], cdb[9], cdb[10], cdb[11]));
outsw (padapter->regData, cdb, pdev->packet);
}
/****************************************************************
* Name: AtapiRequestSense
*
* Description: Send the CDB packet to the device.
*
* Parameters: padapter - Pointer adapter data structure.
* pdev - Pointer to device.
* SCpnt - Pointer to SCSI command structure.
* pass - If true then this is the second pass to send cdb.
*
* Returns: TRUE on error.
*
****************************************************************/
static int AtapiRequestSense (PADAPTER2220I padapter, POUR_DEVICE pdev, Scsi_Cmnd *SCpnt, UCHAR pass)
{
UCHAR cdb[16] = {SCSIOP_REQUEST_SENSE,0,0,0,16,0,0,0,0,0,0,0,0,0,0,0};
DEB (printk ("\nPCI2242I: AUTO REQUEST SENSE"));
cdb[4] = (UCHAR)(sizeof (SCpnt->sense_buffer));
if ( !pass )
{
padapter->reqSense = TRUE;
AtapiCountLo (padapter, cdb[4]);
AtapiCountHi (padapter, 0);
outb_p (0, padapter->regError);
WriteCommand (padapter, IDE_COMMAND_ATAPI_PACKET);
if ( pdev->cmdDrqInt )
return FALSE;
if ( AtapiWaitDrq (padapter, 500) )
return TRUE;
}
AtapiSendCdb (padapter, pdev, cdb);
return FALSE;
}
/****************************************************************
* Name: InlineReadSignature :LOCAL
*
* Description: Do an inline read RAID sigature.
*
* Parameters: padapter - Pointer adapter data structure.
* pdev - Pointer to device.
* index - index of data to read.
*
* Returns: Zero if no error or status register contents on error.
*
****************************************************************/
static UCHAR InlineReadSignature (PADAPTER2220I padapter, POUR_DEVICE pdev, int index)
{
UCHAR status;
ULONG zl = pdev->lastsectorlba[index];
SelectSpigot (padapter, pdev->spigots[index] | SEL_IRQ_OFF); // select the spigot without interrupts
outb_p (pdev->byte6 | ((UCHAR *)&zl)[3], padapter->regLba24);
status = WaitReady (padapter);
if ( !status )
{
outb_p (((UCHAR *)&zl)[2], padapter->regLba16);
outb_p (((UCHAR *)&zl)[1], padapter->regLba8);
outb_p (((UCHAR *)&zl)[0], padapter->regLba0);
outb_p (1, padapter->regSectCount);
WriteCommand (padapter, IDE_COMMAND_READ);
status = WaitDrq (padapter);
if ( !status )
{
insw (padapter->regData, padapter->kBuffer, BYTES_PER_SECTOR / 2);
((ULONG *)(&pdev->DiskMirror[index]))[0] = ((ULONG *)(&padapter->kBuffer[DISK_MIRROR_POSITION]))[0];
((ULONG *)(&pdev->DiskMirror[index]))[1] = ((ULONG *)(&padapter->kBuffer[DISK_MIRROR_POSITION]))[1];
// some drives assert DRQ before IRQ so let's make sure we clear the IRQ
WaitReady (padapter);
return 0;
}
}
return status;
}
/****************************************************************
* Name: DecodeError :LOCAL
*
* Description: Decode and process device errors.
*
* Parameters: padapter - Pointer to adapter data.
* status - Status register code.
*
* Returns: The driver status code.
*
****************************************************************/
static ULONG DecodeError (PADAPTER2220I padapter, UCHAR status)
{
UCHAR error;
padapter->expectingIRQ = 0;
if ( status & IDE_STATUS_WRITE_FAULT )
{
return DID_PARITY << 16;
}
if ( status & IDE_STATUS_BUSY )
return DID_BUS_BUSY << 16;
error = inb_p (padapter->regError);
DEB(printk ("\npci2220i 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: StartTimer :LOCAL
*
* Description: Start the timer.
*
* Parameters: ipadapter - Pointer adapter data structure.
*
* Returns: Nothing.
*
****************************************************************/
static void StartTimer (PADAPTER2220I padapter)
{
padapter->timer.expires = jiffies + TIMEOUT_DATA;
add_timer (&padapter->timer);
}
/****************************************************************
* Name: WriteSignature :LOCAL
*
* Description: Start the timer.
*
* Parameters: padapter - Pointer adapter data structure.
* pdev - Pointer to our device.
* spigot - Selected spigot.
* index - index of mirror signature on device.
*
* Returns: TRUE on any error.
*
****************************************************************/
static int WriteSignature (PADAPTER2220I padapter, POUR_DEVICE pdev, UCHAR spigot, int index)
{
ULONG zl;
SelectSpigot (padapter, spigot);
zl = pdev->lastsectorlba[index];
outb_p (pdev->byte6 | ((UCHAR *)&zl)[3], padapter->regLba24);
outb_p (((UCHAR *)&zl)[2], padapter->regLba16);
outb_p (((UCHAR *)&zl)[1], padapter->regLba8);
outb_p (((UCHAR *)&zl)[0], padapter->regLba0);
outb_p (1, padapter->regSectCount);
WriteCommand (padapter, IDE_COMMAND_WRITE);
if ( WaitDrq (padapter) )
return TRUE;
StartTimer (padapter);
padapter->expectingIRQ = TRUE;
((ULONG *)(&padapter->kBuffer[DISK_MIRROR_POSITION]))[0] = ((ULONG *)(&pdev->DiskMirror[index]))[0];
((ULONG *)(&padapter->kBuffer[DISK_MIRROR_POSITION]))[1] = ((ULONG *)(&pdev->DiskMirror[index]))[1];
outsw (padapter->regData, padapter->kBuffer, BYTES_PER_SECTOR / 2);
return FALSE;
}
/*******************************************************************************************************
* Name: InitFailover
*
* Description: This is the beginning of the failover routine
*
* Parameters: SCpnt - Pointer to SCSI command structure.
* padapter - Pointer adapter data structure.
* pdev - Pointer to our device.
*
* Returns: TRUE on error.
*
******************************************************************************************************/
static int InitFailover (PADAPTER2220I padapter, POUR_DEVICE pdev)
{
UCHAR spigot;
DEB (printk ("\npci2220i: Initialize failover process - survivor = %d", pdev->deviceID[padapter->survivor]));
pdev->raid = FALSE; //initializes system for non raid mode
pdev->reconOn = FALSE;
spigot = pdev->spigots[padapter->survivor];
if ( pdev->DiskMirror[padapter->survivor].status & UCBF_REBUILD )
{
DEB (printk ("\n failed, is survivor"));
return (TRUE);
}
if ( HardReset (padapter, pdev, spigot) )
{
DEB (printk ("\n failed, reset"));
return TRUE;
}
Alarm (padapter, pdev->deviceID[padapter->survivor ^ 1]);
pdev->DiskMirror[padapter->survivor].status = UCBF_MIRRORED | UCBF_SURVIVOR; //clear present status
if ( WriteSignature (padapter, pdev, spigot, padapter->survivor) )
{
DEB (printk ("\n failed, write signature"));
return TRUE;
}
padapter->failinprog = TRUE;
return FALSE;
}
/****************************************************************
* Name: TimerExpiry :LOCAL
*
* Description: Timer expiry routine.
*
* Parameters: data - Pointer adapter data structure.
*
* Returns: Nothing.
*
****************************************************************/
static void TimerExpiry (unsigned long data)
{
PADAPTER2220I padapter = (PADAPTER2220I)data;
struct Scsi_Host *host = padapter->SCpnt->device->host;
POUR_DEVICE pdev = padapter->pdev;
UCHAR status = IDE_STATUS_BUSY;
UCHAR temp, temp1;
unsigned long flags;
/*
* Disable interrupts, if they aren't already disabled and acquire
* the I/O spinlock.
*/
spin_lock_irqsave (host->host_lock, flags);
DEB (printk ("\nPCI2220I: Timeout expired "));
if ( padapter->failinprog )
{
DEB (printk ("in failover process"));
OpDone (padapter, DecodeError (padapter, inb_p (padapter->regStatCmd)));
goto timerExpiryDone;
}
while ( padapter->reconPhase )
{
DEB (printk ("in recon phase %X", padapter->reconPhase));
switch ( padapter->reconPhase )
{
case RECON_PHASE_MARKING:
case RECON_PHASE_LAST:
padapter->survivor = ( pdev->spigot == pdev->spigots[0] ) ? 1 : 0;
DEB (printk ("\npci2220i: FAILURE 1"));
if ( InitFailover (padapter, pdev) )
OpDone (padapter, DID_ERROR << 16);
goto timerExpiryDone;
case RECON_PHASE_READY:
OpDone (padapter, DID_ERROR << 16);
goto timerExpiryDone;
case RECON_PHASE_COPY:
padapter->survivor = ( pdev->spigot == pdev->spigots[0] ) ? 0 : 1;
DEB (printk ("\npci2220i: FAILURE 2"));
DEB (printk ("\n spig/stat = %X", inb_p (padapter->regStatSel));
if ( InitFailover (padapter, pdev) )
OpDone (padapter, DID_ERROR << 16);
goto timerExpiryDone;
case RECON_PHASE_UPDATE:
padapter->survivor = ( pdev->spigot == pdev->spigots[0] ) ? 0 : 1;
DEB (printk ("\npci2220i: FAILURE 3")));
if ( InitFailover (padapter, pdev) )
OpDone (padapter, DID_ERROR << 16);
goto timerExpiryDone;
case RECON_PHASE_END:
padapter->survivor = ( pdev->spigot == pdev->spigots[0] ) ? 0 : 1;
DEB (printk ("\npci2220i: FAILURE 4"));
if ( InitFailover (padapter, pdev) )
OpDone (padapter, DID_ERROR << 16);
goto timerExpiryDone;
default:
goto timerExpiryDone;
}
}
while ( padapter->cmd )
{
outb_p (0x08, padapter->regDmaCmdStat); // cancel interrupt from DMA engine
if ( pdev->raid )
{
if ( padapter->cmd == WRITE_CMD )
{
DEB (printk ("in RAID write operation"));
temp = ( pdev->spigot & (SEL_1 | SEL_2) ) ? SEL_1 : SEL_3;
if ( inb_p (padapter->regStatSel) & temp )
{
DEB (printk ("\npci2220i: Determined A OK"));
SelectSpigot (padapter, temp | SEL_IRQ_OFF); // Masking the interrupt during spigot select
temp = inb_p (padapter->regStatCmd);
}
else
temp = IDE_STATUS_BUSY;
temp1 = ( pdev->spigot & (SEL_1 | SEL_2) ) ? SEL_2 : SEL_4;
if ( inb (padapter->regStatSel) & temp1 )
{
DEB (printk ("\npci2220i: Determined B OK"));
SelectSpigot (padapter, temp1 | SEL_IRQ_OFF); // Masking the interrupt during spigot select
temp1 = inb_p (padapter->regStatCmd);
}
else
temp1 = IDE_STATUS_BUSY;
if ( (temp & IDE_STATUS_BUSY) || (temp1 & IDE_STATUS_BUSY) )
{
DEB (printk ("\npci2220i: Status A: %X B: %X", temp & 0xFF, temp1 & 0xFF));
if ( (temp & IDE_STATUS_BUSY) && (temp1 & IDE_STATUS_BUSY) )
{
status = temp;
break;
}
else
{
if ( temp & IDE_STATUS_BUSY )
padapter->survivor = 1;
else
padapter->survivor = 0;
if ( InitFailover (padapter, pdev) )
{
status = inb_p (padapter->regStatCmd);
break;
}
goto timerExpiryDone;
}
}
}
else
{
DEB (printk ("in RAID read operation"));
padapter->survivor = ( pdev->spigot == pdev->spigots[0] ) ? 0 : 1;
DEB (printk ("\npci2220i: FAILURE 6"));
if ( InitFailover (padapter, pdev) )
{
status = inb_p (padapter->regStatCmd);
break;
}
goto timerExpiryDone;
}
}
else
{
DEB (printk ("in I/O operation"));
status = inb_p (padapter->regStatCmd);
}
break;
}
OpDone (padapter, DecodeError (padapter, status));
timerExpiryDone:;
/*
* Release the I/O spinlock and restore the original flags
* which will enable interrupts if and only if they were
* enabled on entry.
*/
spin_unlock_irqrestore (host->host_lock, flags);
}
/****************************************************************
* Name: SetReconstruct :LOCAL
*
* Description: Set the reconstruct up.
*
* Parameters: pdev - Pointer to device structure.
* index - Mirror index number.
*
* Returns: Number of sectors on new disk required.
*
****************************************************************/
static LONG SetReconstruct (POUR_DEVICE pdev, int index)
{
pdev->DiskMirror[index].status = UCBF_MIRRORED; // setup the flags
pdev->DiskMirror[index ^ 1].status = UCBF_MIRRORED | UCBF_REBUILD;
pdev->DiskMirror[index ^ 1].reconstructPoint = 0; // start the reconstruct
pdev->reconCount = 1990; // mark target drive early
return pdev->DiskMirror[index].reconstructPoint;
}
/****************************************************************
* Name: ReconTimerExpiry :LOCAL
*
* Description: Reconstruct timer expiry routine.
*
* Parameters: data - Pointer adapter data structure.
*
* Returns: Nothing.
*
****************************************************************/
static void ReconTimerExpiry (unsigned long data)
{
PADAPTER2220I padapter = (PADAPTER2220I)data;
struct Scsi_Host *host = padapter->SCpnt->device->host;
POUR_DEVICE pdev;
ULONG testsize = 0;
PIDENTIFY_DATA pid;
USHORT minmode;
ULONG zl;
UCHAR zc;
USHORT z;
unsigned long flags;
/*
* Disable interrupts, if they aren't already disabled and acquire
* the I/O spinlock.
*/
spin_lock_irqsave(host->host_lock, flags);
if ( padapter->SCpnt )
goto reconTimerExpiry;
padapter->reconTimer.data = 0;
for ( z = padapter->devInReconIndex + 1; z < BIGD_MAXDRIVES; z++ )
{
if ( padapter->device[z].reconOn )
break;
}
if ( z < BIGD_MAXDRIVES )
pdev = &padapter->device[z];
else
{
for ( z = 0; z < BIGD_MAXDRIVES; z++ )
{
if ( padapter->device[z].reconOn )
break;
}
if ( z < BIGD_MAXDRIVES )
pdev = &padapter->device[z];
else
{
padapter->reconOn = FALSE;
goto reconTimerExpiry;
}
}
padapter->devInReconIndex = z;
pid = (PIDENTIFY_DATA)padapter->kBuffer;
padapter->pdev = pdev;
if ( pdev->reconIsStarting )
{
pdev->reconIsStarting = FALSE;
pdev->reconOn = FALSE;
while ( (pdev->DiskMirror[0].signature == SIGNATURE) && (pdev->DiskMirror[1].signature == SIGNATURE) &&
(pdev->DiskMirror[0].pairIdentifier == (pdev->DiskMirror[1].pairIdentifier ^ 1)) )
{
if ( (pdev->DiskMirror[0].status & UCBF_MATCHED) && (pdev->DiskMirror[1].status & UCBF_MATCHED) )
break;
if ( pdev->DiskMirror[0].status & UCBF_SURVIVOR ) // is first drive survivor?
testsize = SetReconstruct (pdev, 0);
else
if ( pdev->DiskMirror[1].status & UCBF_SURVIVOR ) // is second drive survivor?
testsize = SetReconstruct (pdev, 1);
if ( (pdev->DiskMirror[0].status & UCBF_REBUILD) || (pdev->DiskMirror[1].status & UCBF_REBUILD) )
{
if ( pdev->DiskMirror[0].status & UCBF_REBUILD )
pdev->mirrorRecon = 0;
else
pdev->mirrorRecon = 1;
pdev->reconOn = TRUE;
}
break;
}
if ( !pdev->reconOn )
goto reconTimerExpiry;
if ( padapter->bigD )
{
padapter->failRegister = 0;
outb_p (~padapter->failRegister, padapter->regFail);
}
else
{
zc = ((inb_p (padapter->regStatSel) >> 3) | inb_p (padapter->regStatSel)) & 0x83; // mute the alarm
outb_p (0xFF, padapter->regFail);
}
while ( 1 )
{
DEB (printk ("\npci2220i: hard reset issue"));
if ( HardReset (padapter, pdev, pdev->spigots[pdev->mirrorRecon]) )
{
DEB (printk ("\npci2220i: sub 1"));
break;
}
pdev->lastsectorlba[pdev->mirrorRecon] = InlineIdentify (padapter, pdev->spigots[pdev->mirrorRecon], pdev->deviceID[pdev->mirrorRecon] & 1);
if ( pdev->lastsectorlba[pdev->mirrorRecon] < testsize )
{
DEB (printk ("\npci2220i: sub 2 %ld %ld", pdev->lastsectorlba[pdev->mirrorRecon], testsize));
break;
}
// test LBA and multiper sector transfer compatibility
if (!pid->SupportLBA || (pid->NumSectorsPerInt < SECTORSXFER) || !pid->Valid_64_70 )
{
DEB (printk ("\npci2220i: sub 3"));
break;
}
// test PIO/bus matering mode compatibility
if ( (pid->MinPIOCycleWithoutFlow > 240) && !pid->SupportIORDYDisable && !padapter->timingPIO )
{
DEB (printk ("\npci2220i: sub 4"));
break;
}
if ( pid->MinPIOCycleWithoutFlow <= 120 ) // setup timing mode of drive
minmode = 5;
else
{
if ( pid->MinPIOCylceWithFlow <= 150 )
minmode = 4;
else
{
if ( pid->MinPIOCylceWithFlow <= 180 )
minmode = 3;
else
{
if ( pid->MinPIOCylceWithFlow <= 240 )
minmode = 2;
else
{
DEB (printk ("\npci2220i: sub 5"));
break;
}
}
}
}
if ( padapter->timingMode > minmode ) // set minimum timing mode
padapter->timingMode = minmode;
if ( padapter->timingMode >= 2 )
padapter->timingAddress = ModeArray[padapter->timingMode - 2];
else
padapter->timingPIO = TRUE;
padapter->reconOn = TRUE;
break;
}
if ( !pdev->reconOn )
{
padapter->survivor = pdev->mirrorRecon ^ 1;
padapter->reconPhase = RECON_PHASE_FAILOVER;
DEB (printk ("\npci2220i: FAILURE 7"));
InitFailover (padapter, pdev);
goto reconTimerExpiry;
}
pdev->raid = TRUE;
if ( WriteSignature (padapter, pdev, pdev->spigot, pdev->mirrorRecon ^ 1) )
goto reconTimerExpiry;
padapter->reconPhase = RECON_PHASE_MARKING;
goto reconTimerExpiry;
}
//**********************************
// reconstruct copy starts here
//**********************************
if ( pdev->reconCount++ > 2000 )
{
pdev->reconCount = 0;
if ( WriteSignature (padapter, pdev, pdev->spigots[pdev->mirrorRecon], pdev->mirrorRecon) )
{
padapter->survivor = pdev->mirrorRecon ^ 1;
padapter->reconPhase = RECON_PHASE_FAILOVER;
DEB (printk ("\npci2220i: FAILURE 8"));
InitFailover (padapter, pdev);
goto reconTimerExpiry;
}
padapter->reconPhase = RECON_PHASE_UPDATE;
goto reconTimerExpiry;
}
zl = pdev->DiskMirror[pdev->mirrorRecon].reconstructPoint;
padapter->reconSize = pdev->DiskMirror[pdev->mirrorRecon ^ 1].reconstructPoint - zl;
if ( padapter->reconSize > MAX_BUS_MASTER_BLOCKS )
padapter->reconSize = MAX_BUS_MASTER_BLOCKS;
if ( padapter->reconSize )
{
SelectSpigot (padapter, pdev->spigots[0] | pdev->spigots[1]); // select the spigots
outb_p (pdev->byte6 | ((UCHAR *)(&zl))[3], padapter->regLba24); // select the drive
SelectSpigot (padapter, pdev->spigot);
if ( WaitReady (padapter) )
goto reconTimerExpiry;
SelectSpigot (padapter, pdev->spigots[pdev->mirrorRecon]);
if ( WaitReady (padapter) )
{
padapter->survivor = pdev->mirrorRecon ^ 1;
padapter->reconPhase = RECON_PHASE_FAILOVER;
DEB (printk ("\npci2220i: FAILURE 9"));
InitFailover (padapter, pdev);
goto reconTimerExpiry;
}
SelectSpigot (padapter, pdev->spigots[0] | pdev->spigots[1]);
outb_p (padapter->reconSize & 0xFF, padapter->regSectCount);
outb_p (((UCHAR *)(&zl))[0], padapter->regLba0);
outb_p (((UCHAR *)(&zl))[1], padapter->regLba8);
outb_p (((UCHAR *)(&zl))[2], padapter->regLba16);
padapter->expectingIRQ = TRUE;
padapter->reconPhase = RECON_PHASE_READY;
SelectSpigot (padapter, pdev->spigots[pdev->mirrorRecon]);
WriteCommand (padapter, WRITE_CMD);
StartTimer (padapter);
SelectSpigot (padapter, pdev->spigot);
WriteCommand (padapter, READ_CMD);
goto reconTimerExpiry;
}
pdev->DiskMirror[pdev->mirrorRecon].status = UCBF_MIRRORED | UCBF_MATCHED;
pdev->DiskMirror[pdev->mirrorRecon ^ 1].status = UCBF_MIRRORED | UCBF_MATCHED;
if ( WriteSignature (padapter, pdev, pdev->spigot, pdev->mirrorRecon ^ 1) )
goto reconTimerExpiry;
padapter->reconPhase = RECON_PHASE_LAST;
reconTimerExpiry:;
/*
* Release the I/O spinlock and restore the original flags
* which will enable interrupts if and only if they were
* enabled on entry.
*/
spin_unlock_irqrestore(host->host_lock, flags);
}
/****************************************************************
* 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 irqreturn_t Irq_Handler (int irq, void *dev_id, struct pt_regs *regs)
{
struct Scsi_Host *shost = NULL; // Pointer to host data block
PADAPTER2220I padapter; // Pointer to adapter control structure
POUR_DEVICE pdev;
Scsi_Cmnd *SCpnt;
UCHAR status;
UCHAR status1;
ATAPI_STATUS statusa;
ATAPI_REASON reasona;
ATAPI_ERROR errora;
int z;
ULONG zl;
unsigned long flags;
int handled = 0;
// DEB (printk ("\npci2220i received interrupt\n"));
for ( z = 0; z < NumAdapters; z++ ) // scan for interrupt to process
{
if ( PsiHost[z]->irq == (UCHAR)(irq & 0xFF) )
{
if ( inw_p (HOSTDATA(PsiHost[z])->regIrqControl) & 0x8000 )
{
shost = PsiHost[z];
break;
}
}
}
if ( !shost )
{
DEB (printk ("\npci2220i: not my interrupt"));
goto out;
}
handled = 1;
spin_lock_irqsave(shost->host_lock, flags);
padapter = HOSTDATA(shost);
pdev = padapter->pdev;
SCpnt = padapter->SCpnt;
outb_p (0x08, padapter->regDmaCmdStat); // cancel interrupt from DMA engine
if ( padapter->atapi && SCpnt )
{
*(char *)&statusa = inb_p (padapter->regStatCmd); // read the device status
*(char *)&reasona = inb_p (padapter->regSectCount); // read the device interrupt reason
if ( !statusa.bsy )
{
if ( statusa.drq ) // test for transfer phase
{
if ( !reasona.cod ) // test for data phase
{
z = (ULONG)inb_p (padapter->regLba8) | (ULONG)(inb_p (padapter->regLba16) << 8);
if ( padapter->reqSense )
insw (padapter->regData, SCpnt->sense_buffer, z / 2);
else
AtapiBusMaster (padapter, reasona.io, z);
goto irq_return;
}
if ( reasona.cod && !reasona.io ) // test for command packet phase
{
if ( padapter->reqSense )
AtapiRequestSense (padapter, pdev, SCpnt, TRUE);
else
AtapiSendCdb (padapter, pdev, padapter->atapiCdb);
goto irq_return;
}
}
else
{
if ( reasona.io && statusa.drdy ) // test for status phase
{
Atapi2Scsi (padapter, SCpnt);
if ( statusa.check )
{
*(UCHAR *)&errora = inb_p (padapter->regError); // read the device error
if ( errora.senseKey )
{
if ( padapter->reqSense || AtapiRequestSense (padapter, pdev, SCpnt, FALSE) )
OpDone (padapter, DID_ERROR << 16);
}
else
{
if ( errora.ili || errora.abort )
OpDone (padapter, DID_ERROR << 16);
else
OpDone (padapter, DID_OK << 16);
}
}
else
if ( padapter->reqSense )
{
DEB (printk ("PCI2242I: Sense codes - %X %X %X ", ((UCHAR *)SCpnt->sense_buffer)[0], ((UCHAR *)SCpnt->sense_buffer)[12], ((UCHAR *)SCpnt->sense_buffer)[13]));
OpDone (padapter, (DRIVER_SENSE << 24) | (DID_OK << 16) | 2);
}
else
OpDone (padapter, DID_OK << 16);
}
}
}
goto irq_return;
}
if ( !padapter->expectingIRQ || !(SCpnt || padapter->reconPhase) )
{
DEB(printk ("\npci2220i Unsolicited interrupt\n"));
STOP_HERE ();
goto irq_return;
}
padapter->expectingIRQ = 0;
if ( padapter->failinprog )
{
DEB (printk ("\npci2220i interrupt failover complete"));
padapter->failinprog = FALSE;
status = inb_p (padapter->regStatCmd); // read the device status
if ( status & (IDE_STATUS_ERROR | IDE_STATUS_WRITE_FAULT) )
{
DEB (printk ("\npci2220i: interrupt failover error from drive %X", status));
padapter->cmd = 0;
}
else
{
DEB (printk ("\npci2220i: restarting failed opertation."));
pdev->spigot = (padapter->survivor) ? pdev->spigots[1] : pdev->spigots[0];
del_timer (&padapter->timer);
if ( padapter->reconPhase )
OpDone (padapter, DID_OK << 16);
else
Pci2220i_QueueCommand (SCpnt, SCpnt->scsi_done);
goto irq_return;
}
}
if ( padapter->reconPhase )
{
switch ( padapter->reconPhase )
{
case RECON_PHASE_MARKING:
case RECON_PHASE_LAST:
status = inb_p (padapter->regStatCmd); // read the device status
del_timer (&padapter->timer);
if ( padapter->reconPhase == RECON_PHASE_LAST )
{
if ( status & (IDE_STATUS_ERROR | IDE_STATUS_WRITE_FAULT) )
{
padapter->survivor = ( pdev->spigot == pdev->spigots[0] ) ? 1 : 0;
DEB (printk ("\npci2220i: FAILURE 10"));
if ( InitFailover (padapter, pdev) )
OpDone (padapter, DecodeError (padapter, status));
goto irq_return;
}
if ( WriteSignature (padapter, pdev, pdev->spigots[pdev->mirrorRecon], pdev->mirrorRecon) )
{
padapter->survivor = ( pdev->spigot == pdev->spigots[0] ) ? 0 : 1;
DEB (printk ("\npci2220i: FAILURE 11"));
if ( InitFailover (padapter, pdev) )
OpDone (padapter, DecodeError (padapter, status));
goto irq_return;
}
padapter->reconPhase = RECON_PHASE_END;
goto irq_return;
}
OpDone (padapter, DID_OK << 16);
goto irq_return;
case RECON_PHASE_READY:
status = inb_p (padapter->regStatCmd); // read the device status
if ( status & (IDE_STATUS_ERROR | IDE_STATUS_WRITE_FAULT) )
{
del_timer (&padapter->timer);
OpDone (padapter, DecodeError (padapter, status));
goto irq_return;
}
SelectSpigot (padapter, pdev->spigots[pdev->mirrorRecon]);
if ( WaitDrq (padapter) )
{
del_timer (&padapter->timer);
padapter->survivor = ( pdev->spigot == pdev->spigots[0] ) ? 0 : 1;
DEB (printk ("\npci2220i: FAILURE 12"));
if ( InitFailover (padapter, pdev) )
OpDone (padapter, DecodeError (padapter, status));
goto irq_return;
}
SelectSpigot (padapter, pdev->spigot | SEL_COPY | padapter->bigD);
padapter->reconPhase = RECON_PHASE_COPY;
padapter->expectingIRQ = TRUE;
if ( padapter->timingPIO )
{
insw (padapter->regData, padapter->kBuffer, padapter->reconSize * (BYTES_PER_SECTOR / 2));
}
else
{
if ( (padapter->timingMode > 3) )
{
if ( padapter->bigD )
outl (BIGD_DATA_MODE3, padapter->regDmaAddrLoc);
else
outl (DALE_DATA_MODE3, padapter->regDmaAddrLoc);
}
else
outl (padapter->timingAddress, padapter->regDmaAddrLoc);
outl (padapter->kBufferDma, padapter->regDmaAddrPci);
outl (padapter->reconSize * BYTES_PER_SECTOR, padapter->regDmaCount);
outb_p (8, padapter->regDmaDesc); // read operation
if ( padapter->bigD )
outb_p (8, padapter->regDmaMode); // no interrupt
else
outb_p (1, padapter->regDmaMode); // no interrupt
outb_p (0x03, padapter->regDmaCmdStat); // kick the DMA engine in gear
}
goto irq_return;
case RECON_PHASE_COPY:
pdev->DiskMirror[pdev->mirrorRecon].reconstructPoint += padapter->reconSize;
case RECON_PHASE_UPDATE:
SelectSpigot (padapter, pdev->spigots[pdev->mirrorRecon] | SEL_IRQ_OFF);
status = inb_p (padapter->regStatCmd); // read the device status
del_timer (&padapter->timer);
if ( status & (IDE_STATUS_ERROR | IDE_STATUS_WRITE_FAULT) )
{
padapter->survivor = ( pdev->spigot == pdev->spigots[0] ) ? 0 : 1;
DEB (printk ("\npci2220i: FAILURE 13"));
DEB (printk ("\n status register = %X error = %X", status, inb_p (padapter->regError)));
if ( InitFailover (padapter, pdev) )
OpDone (padapter, DecodeError (padapter, status));
goto irq_return;
}
OpDone (padapter, DID_OK << 16);
goto irq_return;
case RECON_PHASE_END:
status = inb_p (padapter->regStatCmd); // read the device status
del_timer (&padapter->timer);
if ( status & (IDE_STATUS_ERROR | IDE_STATUS_WRITE_FAULT) )
{
padapter->survivor = ( pdev->spigot == pdev->spigots[0] ) ? 0 : 1;
DEB (printk ("\npci2220i: FAILURE 14"));
if ( InitFailover (padapter, pdev) )
OpDone (padapter, DecodeError (padapter, status));
goto irq_return;
}
pdev->reconOn = 0;
if ( padapter->bigD )
{
for ( z = 0; z < padapter->numberOfDrives; z++ )
{
if ( padapter->device[z].DiskMirror[0].status & UCBF_SURVIVOR )
{
Alarm (padapter, padapter->device[z].deviceID[0] ^ 2);
MuteAlarm (padapter);
}
if ( padapter->device[z].DiskMirror[1].status & UCBF_SURVIVOR )
{
Alarm (padapter, padapter->device[z].deviceID[1] ^ 2);
MuteAlarm (padapter);
}
}
}
OpDone (padapter, DID_OK << 16);
goto irq_return;
default:
goto irq_return;
}
}
switch ( padapter->cmd ) // decide how to handle the interrupt
{
case READ_CMD:
if ( padapter->sectorCount )
{
status = inb_p (padapter->regStatCmd); // read the device status
if ( status & (IDE_STATUS_ERROR | IDE_STATUS_WRITE_FAULT) )
{
if ( pdev->raid )
{
padapter->survivor = ( pdev->spigot == pdev->spigots[0] ) ? 1 : 0;
del_timer (&padapter->timer);
DEB (printk ("\npci2220i: FAILURE 15"));
if ( !InitFailover (padapter, pdev) )
goto irq_return;
}
break;
}
if ( padapter->timingPIO )
{
insw (padapter->regData, padapter->kBuffer, padapter->readCount / 2);
padapter->sectorCount -= padapter->readCount / BYTES_PER_SECTOR;
WalkScatGath (padapter, TRUE, padapter->readCount);
if ( !padapter->sectorCount )
{
status = 0;
break;
}
}
else
{
if ( padapter->readCount )
WalkScatGath (padapter, TRUE, padapter->readCount);
BusMaster (padapter, 1, 1);
}
padapter->expectingIRQ = TRUE;
goto irq_return;
}
if ( padapter->readCount && !padapter->timingPIO )
WalkScatGath (padapter, TRUE, padapter->readCount);
status = 0;
break;
case WRITE_CMD:
if ( pdev->raid )
{
SelectSpigot (padapter, pdev->spigots[0] | SEL_IRQ_OFF);
status = inb_p (padapter->regStatCmd); // read the device status
SelectSpigot (padapter, pdev->spigots[1] | SEL_IRQ_OFF);
status1 = inb_p (padapter->regStatCmd); // read the device status
}
else
SelectSpigot (padapter, pdev->spigot | SEL_IRQ_OFF);
status = inb_p (padapter->regStatCmd); // read the device status
status1 = 0;
if ( status & (IDE_STATUS_ERROR | IDE_STATUS_WRITE_FAULT) )
{
if ( pdev->raid && !(status1 & (IDE_STATUS_ERROR | IDE_STATUS_WRITE_FAULT)) )
{
padapter->survivor = 1;
del_timer (&padapter->timer);
SelectSpigot (padapter, pdev->spigot | SEL_IRQ_OFF);
DEB (printk ("\npci2220i: FAILURE 16 status = %X error = %X", status, inb_p (padapter->regError)));
if ( !InitFailover (padapter, pdev) )
goto irq_return;
}
break;
}
if ( pdev->raid )
{
if ( status1 & (IDE_STATUS_ERROR | IDE_STATUS_WRITE_FAULT) )
{
padapter->survivor = 0;
del_timer (&padapter->timer);
DEB (printk ("\npci2220i: FAILURE 17 status = %X error = %X", status1, inb_p (padapter->regError)));
if ( !InitFailover (padapter, pdev) )
goto irq_return;
status = status1;
break;
}
if ( padapter->sectorCount )
{
status = WriteDataBoth (padapter, pdev);
if ( status )
{
padapter->survivor = status >> 1;
del_timer (&padapter->timer);
DEB (printk ("\npci2220i: FAILURE 18"));
if ( !InitFailover (padapter, pdev) )
goto irq_return;
SelectSpigot (padapter, pdev->spigots[status] | SEL_IRQ_OFF);
status = inb_p (padapter->regStatCmd); // read the device status
break;
}
padapter->expectingIRQ = TRUE;
goto irq_return;
}
status = 0;
break;
}
if ( padapter->sectorCount )
{
SelectSpigot (padapter, pdev->spigot | padapter->bigD);
status = WriteData (padapter);
if ( status )
break;
padapter->expectingIRQ = TRUE;
goto irq_return;
}
status = 0;
break;
case IDE_COMMAND_IDENTIFY:
{
PINQUIRYDATA pinquiryData = SCpnt->request_buffer;
PIDENTIFY_DATA pid = (PIDENTIFY_DATA)padapter->kBuffer;
status = inb_p (padapter->regStatCmd);
if ( status & IDE_STATUS_DRQ )
{
insw (padapter->regData, pid, sizeof (IDENTIFY_DATA) >> 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 *)pid->ModelNumber)[z + 1];
pinquiryData->VendorId[z + 1] = ((UCHAR *)pid->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 *)pid->FirmwareRevision)[z + 1];
pinquiryData->ProductRevisionLevel[z + 1] = ((UCHAR *)pid->FirmwareRevision)[z];
}
if ( pdev == padapter->device )
*((USHORT *)(&pinquiryData->VendorSpecific)) = DEVICE_DALE_1;
status = 0;
}
break;
}
default:
status = 0;
break;
}
del_timer (&padapter->timer);
if ( status )
{
DEB (printk ("\npci2220i Interrupt handler return error"));
zl = DecodeError (padapter, status);
}
else
zl = DID_OK << 16;
OpDone (padapter, zl);
irq_return:
spin_unlock_irqrestore(shost->host_lock, flags);
out:
return IRQ_RETVAL(handled);
}
/****************************************************************
* Name: Pci2220i_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 Pci2220i_QueueCommand (Scsi_Cmnd *SCpnt, void (*done)(Scsi_Cmnd *))
{
UCHAR *cdb = (UCHAR *)SCpnt->cmnd; // Pointer to SCSI CDB
PADAPTER2220I padapter = HOSTDATA(SCpnt->device->host); // Pointer to adapter control structure
POUR_DEVICE pdev = &padapter->device[SCpnt->device->id];// Pointer to device information
UCHAR rc; // command return code
int z;
PDEVICE_RAID1 pdr;
SCpnt->scsi_done = done;
padapter->SCpnt = SCpnt; // Save this command data
padapter->readCount = 0;
if ( SCpnt->use_sg )
{
padapter->currentSgBuffer = ((struct scatterlist *)SCpnt->request_buffer)[0].address;
padapter->currentSgCount = ((struct scatterlist *)SCpnt->request_buffer)[0].length;
}
else
{
padapter->currentSgBuffer = SCpnt->request_buffer;
padapter->currentSgCount = SCpnt->request_bufflen;
}
padapter->nextSg = 1;
if ( !done )
{
printk("pci2220i_queuecommand: %02X: done can't be NULL\n", *cdb);
return 0;
}
if ( padapter->atapi )
{
UCHAR zlo, zhi;
DEB (printk ("\nPCI2242I: ID %d, LUN %d opcode %X ", SCpnt->device->id, SCpnt->device->lun, *cdb));
padapter->pdev = pdev;
if ( !pdev->byte6 || SCpnt->device->lun )
{
OpDone (padapter, DID_BAD_TARGET << 16);
return 0;
}
padapter->atapiSpecial = FALSE;
padapter->reqSense = FALSE;
memset (padapter->atapiCdb, 0, 16);
SelectSpigot (padapter, pdev->spigot); // select the spigot
AtapiDevice (padapter, pdev->byte6); // select the drive
if ( AtapiWaitReady (padapter, 100) )
{
OpDone (padapter, DID_NO_CONNECT << 16);
return 0;
}
switch ( cdb[0] )
{
case SCSIOP_MODE_SENSE:
case SCSIOP_MODE_SELECT:
Scsi2Atapi (padapter, SCpnt);
z = SCpnt->request_bufflen + 4;
break;
case SCSIOP_READ6:
case SCSIOP_WRITE6:
Scsi2Atapi (padapter, SCpnt);
z = SCpnt->request_bufflen;
break;
default:
memcpy (padapter->atapiCdb, cdb, SCpnt->cmd_len);
z = SCpnt->request_bufflen;
break;
}
if ( z > ATAPI_TRANSFER )
z = ATAPI_TRANSFER;
zlo = (UCHAR)(z & 0xFF);
zhi = (UCHAR)(z >> 8);
AtapiCountLo (padapter, zlo);
AtapiCountHi (padapter, zhi);
outb_p (0, padapter->regError);
WriteCommand (padapter, IDE_COMMAND_ATAPI_PACKET);
if ( pdev->cmdDrqInt )
return 0;
if ( AtapiWaitDrq (padapter, 500) )
{
OpDone (padapter, DID_ERROR << 16);
return 0;
}
AtapiSendCdb (padapter, pdev, padapter->atapiCdb);
return 0;
}
if ( padapter->reconPhase )
return 0;
if ( padapter->reconTimer.data )
{
del_timer (&padapter->reconTimer);
padapter->reconTimer.data = 0;
}
if ( (SCpnt->device->id >= padapter->numberOfDrives) || SCpnt->device->lun )
{
OpDone (padapter, DID_BAD_TARGET << 16);
return 0;
}
switch ( *cdb )
{
case SCSIOP_INQUIRY: // inquiry CDB
{
if ( cdb[2] == SC_MY_RAID )
{
switch ( cdb[3] )
{
case MY_SCSI_REBUILD:
for ( z = 0; z < padapter->numberOfDrives; z++ )
{
pdev = &padapter->device[z];
if ( ((pdev->DiskMirror[0].status & UCBF_SURVIVOR) && (pdev->DiskMirror[1].status & UCBF_MIRRORED)) ||
((pdev->DiskMirror[1].status & UCBF_SURVIVOR) && (pdev->DiskMirror[0].status & UCBF_MIRRORED)) )
{
padapter->reconOn = pdev->reconOn = pdev->reconIsStarting = TRUE;
}
}
OpDone (padapter, DID_OK << 16);
break;
case MY_SCSI_ALARMMUTE:
MuteAlarm (padapter);
OpDone (padapter, DID_OK << 16);
break;
case MY_SCSI_DEMOFAIL:
padapter->demoFail = TRUE;
OpDone (padapter, DID_OK << 16);
break;
default:
z = cdb[5]; // get index
pdr = (PDEVICE_RAID1)SCpnt->request_buffer;
if ( padapter->raidData[z] )
{
memcpy (&pdr->DiskRaid1, padapter->raidData[z], sizeof (DISK_MIRROR));
if ( padapter->raidData[z]->reconstructPoint > padapter->raidData[z ^ 2]->reconstructPoint )
pdr->TotalSectors = padapter->raidData[z]->reconstructPoint;
else
pdr->TotalSectors = padapter->raidData[z ^ 2]->reconstructPoint;
}
else
memset (pdr, 0, sizeof (DEVICE_RAID1));
OpDone (padapter, DID_OK << 16);
break;
}
return 0;
}
padapter->cmd = IDE_COMMAND_IDENTIFY;
break;
}
case SCSIOP_TEST_UNIT_READY: // test unit ready CDB
OpDone (padapter, DID_OK << 16);
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);
OpDone (padapter, DID_OK << 16);
return 0;
}
case SCSIOP_VERIFY: // verify CDB
padapter->startSector = XSCSI2LONG (&cdb[2]);
padapter->sectorCount = (UCHAR)((USHORT)cdb[8] | ((USHORT)cdb[7] << 8));
padapter->cmd = IDE_COMMAND_VERIFY;
break;
case SCSIOP_READ: // read10 CDB
padapter->startSector = XSCSI2LONG (&cdb[2]);
padapter->sectorCount = (USHORT)cdb[8] | ((USHORT)cdb[7] << 8);
padapter->cmd = READ_CMD;
break;
case SCSIOP_READ6: // read6 CDB
padapter->startSector = SCSI2LONG (&cdb[1]);
padapter->sectorCount = cdb[4];
padapter->cmd = READ_CMD;
break;
case SCSIOP_WRITE: // write10 CDB
padapter->startSector = XSCSI2LONG (&cdb[2]);
padapter->sectorCount = (USHORT)cdb[8] | ((USHORT)cdb[7] << 8);
padapter->cmd = WRITE_CMD;
break;
case SCSIOP_WRITE6: // write6 CDB
padapter->startSector = SCSI2LONG (&cdb[1]);
padapter->sectorCount = cdb[4];
padapter->cmd = WRITE_CMD;
break;
default:
DEB (printk ("pci2220i_queuecommand: Unsupported command %02X\n", *cdb));
OpDone (padapter, DID_ERROR << 16);
return 0;
}
if ( padapter->reconPhase )
return 0;
padapter->pdev = pdev;
while ( padapter->demoFail )
{
pdev = padapter->pdev = &padapter->device[0];
padapter->demoFail = FALSE;
if ( !pdev->raid ||
(pdev->DiskMirror[0].status & UCBF_SURVIVOR) ||
(pdev->DiskMirror[1].status & UCBF_SURVIVOR) )
{
break;
}
if ( pdev->DiskMirror[0].status & UCBF_REBUILD )
padapter->survivor = 1;
else
padapter->survivor = 0;
DEB (printk ("\npci2220i: FAILURE 19"));
if ( InitFailover (padapter, pdev) )
break;
return 0;
}
StartTimer (padapter);
if ( pdev->raid && (padapter->cmd == WRITE_CMD) )
{
rc = IdeCmdBoth (padapter, pdev);
if ( !rc )
rc = WriteDataBoth (padapter, pdev);
if ( rc )
{
del_timer (&padapter->timer);
padapter->expectingIRQ = 0;
padapter->survivor = rc >> 1;
DEB (printk ("\npci2220i: FAILURE 20"));
if ( InitFailover (padapter, pdev) )
{
OpDone (padapter, DID_ERROR << 16);
return 0;
}
}
}
else
{
rc = IdeCmd (padapter, pdev);
if ( (padapter->cmd == WRITE_CMD) && !rc )
rc = WriteData (padapter);
if ( rc )
{
del_timer (&padapter->timer);
padapter->expectingIRQ = 0;
if ( pdev->raid )
{
padapter->survivor = (pdev->spigot ^ 3) >> 1;
DEB (printk ("\npci2220i: FAILURE 21"));
if ( !InitFailover (padapter, pdev) )
return 0;
}
OpDone (padapter, DID_ERROR << 16);
return 0;
}
}
return 0;
}
/****************************************************************
* Name: ReadFlash
*
* Description: Read information from controller Flash memory.
*
* Parameters: padapter - Pointer to host interface data structure.
* pdata - Pointer to data structures.
* base - base address in Flash.
* length - lenght of data space in bytes.
*
* Returns: Nothing.
*
****************************************************************/
static VOID ReadFlash (PADAPTER2220I padapter, VOID *pdata, ULONG base, ULONG length)
{
ULONG oldremap;
UCHAR olddesc;
ULONG z;
UCHAR *pd = (UCHAR *)pdata;
oldremap = inl (padapter->regRemap); // save values to restore later
olddesc = inb_p (padapter->regDesc);
outl (base | 1, padapter->regRemap); // remap to Flash space as specified
outb_p (0x40, padapter->regDesc); // describe remap region as 8 bit
for ( z = 0; z < length; z++) // get "length" data count
*pd++ = inb_p (padapter->regBase + z); // read in the data
outl (oldremap, padapter->regRemap); // restore remap register values
outb_p (olddesc, padapter->regDesc);
}
/****************************************************************
* Name: GetRegs
*
* Description: Initialize the regester information.
*
* Parameters: pshost - Pointer to SCSI host data structure.
* bigd - PCI-2240I identifier
* pcidev - Pointer to device data structure.
*
* Returns: TRUE if failure to install.
*
****************************************************************/
static USHORT GetRegs (struct Scsi_Host *pshost, BOOL bigd, struct pci_dev *pcidev)
{
PADAPTER2220I padapter;
int setirq;
int z;
USHORT zr, zl;
UCHAR *consistent;
dma_addr_t consistentDma;
padapter = HOSTDATA(pshost);
memset (padapter, 0, sizeof (ADAPTER2220I));
memset (&DaleSetup, 0, sizeof (DaleSetup));
memset (DiskMirror, 0, sizeof (DiskMirror));
zr = pci_resource_start (pcidev, 1);
zl = pci_resource_start (pcidev, 2);
padapter->basePort = zr;
padapter->regRemap = zr + RTR_LOCAL_REMAP; // 32 bit local space remap
padapter->regDesc = zr + RTR_REGIONS; // 32 bit local region descriptor
padapter->regRange = zr + RTR_LOCAL_RANGE; // 32 bit local range
padapter->regIrqControl = zr + RTR_INT_CONTROL_STATUS; // 16 bit interrupt control and status
padapter->regScratchPad = zr + RTR_MAILBOX; // 16 byte scratchpad I/O base address
padapter->regBase = zl;
padapter->regData = zl + REG_DATA; // data register I/O address
padapter->regError = zl + REG_ERROR; // error register I/O address
padapter->regSectCount = zl + REG_SECTOR_COUNT; // sector count register I/O address
padapter->regLba0 = zl + REG_LBA_0; // least significant byte of LBA
padapter->regLba8 = zl + REG_LBA_8; // next least significant byte of LBA
padapter->regLba16 = zl + REG_LBA_16; // next most significan byte of LBA
padapter->regLba24 = zl + REG_LBA_24; // head and most 4 significant bits of LBA
padapter->regStatCmd = zl + REG_STAT_CMD; // status on read and command on write register
padapter->regStatSel = zl + REG_STAT_SEL; // board status on read and spigot select on write register
padapter->regFail = zl + REG_FAIL;
padapter->regAltStat = zl + REG_ALT_STAT;
padapter->pcidev = pcidev;
if ( bigd )
{
padapter->regDmaDesc = zr + RTR_DMA0_DESC_PTR; // address of the DMA discriptor register for direction of transfer
padapter->regDmaCmdStat = zr + RTR_DMA_COMMAND_STATUS; // Byte #0 of DMA command status register
padapter->regDmaAddrPci = zr + RTR_DMA0_PCI_ADDR; // 32 bit register for PCI address of DMA
padapter->regDmaAddrLoc = zr + RTR_DMA0_LOCAL_ADDR; // 32 bit register for local bus address of DMA
padapter->regDmaCount = zr + RTR_DMA0_COUNT; // 32 bit register for DMA transfer count
padapter->regDmaMode = zr + RTR_DMA0_MODE + 1; // 32 bit register for DMA mode control
padapter->bigD = SEL_NEW_SPEED_1; // set spigot speed control bit
}
else
{
padapter->regDmaDesc = zl + RTL_DMA1_DESC_PTR; // address of the DMA discriptor register for direction of transfer
padapter->regDmaCmdStat = zl + RTL_DMA_COMMAND_STATUS + 1; // Byte #1 of DMA command status register
padapter->regDmaAddrPci = zl + RTL_DMA1_PCI_ADDR; // 32 bit register for PCI address of DMA
padapter->regDmaAddrLoc = zl + RTL_DMA1_LOCAL_ADDR; // 32 bit register for local bus address of DMA
padapter->regDmaCount = zl + RTL_DMA1_COUNT; // 32 bit register for DMA transfer count
padapter->regDmaMode = zl + RTL_DMA1_MODE + 1; // 32 bit register for DMA mode control
}
padapter->numberOfDrives = inb_p (padapter->regScratchPad + BIGD_NUM_DRIVES);
if ( !bigd && !padapter->numberOfDrives ) // if no devices on this board
return TRUE;
pshost->irq = pcidev->irq;
setirq = 1;
for ( z = 0; z < Installed; z++ ) // scan for shared interrupts
{
if ( PsiHost[z]->irq == pshost->irq ) // if shared then, don't posses
setirq = 0;
}
if ( setirq ) // if not shared, posses
{
if ( request_irq (pshost->irq, Irq_Handler, SA_SHIRQ, "pci2220i", padapter) < 0 )
{
if ( request_irq (pshost->irq, Irq_Handler, SA_INTERRUPT | SA_SHIRQ, "pci2220i", padapter) < 0 )
{
printk ("Unable to allocate IRQ for PCI-2220I controller.\n");
return TRUE;
}
}
padapter->irqOwned = pshost->irq; // set IRQ as owned
}
if ( padapter->numberOfDrives )
consistent = pci_alloc_consistent (pcidev, SECTORSXFER * BYTES_PER_SECTOR, &consistentDma);
else
consistent = pci_alloc_consistent (pcidev, ATAPI_TRANSFER, &consistentDma);
if ( !consistent )
{
printk ("Unable to allocate DMA buffer for PCI-2220I controller.\n");
free_irq (pshost->irq, padapter);
return TRUE;
}
padapter->kBuffer = consistent;
padapter->kBufferDma = consistentDma;
PsiHost[Installed] = pshost; // save SCSI_HOST pointer
pshost->io_port = padapter->basePort;
pshost->n_io_port = 0xFF;
pshost->unique_id = padapter->regBase;
outb_p (0x01, padapter->regRange); // fix our range register because other drivers want to tromp on it
padapter->timingMode = inb_p (padapter->regScratchPad + DALE_TIMING_MODE);
if ( padapter->timingMode >= 2 )
{
if ( bigd )
padapter->timingAddress = ModeArray2[padapter->timingMode - 2];
else
padapter->timingAddress = ModeArray[padapter->timingMode - 2];
}
else
padapter->timingPIO = TRUE;
ReadFlash (padapter, &DaleSetup, DALE_FLASH_SETUP, sizeof (SETUP));
ReadFlash (padapter, &DiskMirror, DALE_FLASH_RAID, sizeof (DiskMirror));
return FALSE;
}
/****************************************************************
* Name: SetupFinish
*
* Description: Complete the driver initialization process for a card
*
* Parameters: padapter - Pointer to SCSI host data structure.
* str - Pointer to board type string.
*
* Returns: Nothing.
*
****************************************************************/
VOID SetupFinish (PADAPTER2220I padapter, char *str, int irq)
{
init_timer (&padapter->timer);
padapter->timer.function = TimerExpiry;
padapter->timer.data = (unsigned long)padapter;
init_timer (&padapter->reconTimer);
padapter->reconTimer.function = ReconTimerExpiry;
padapter->reconTimer.data = (unsigned long)padapter;
printk("\nPCI-%sI EIDE CONTROLLER: at I/O = %lX/%lX IRQ = %d\n", str, padapter->basePort, padapter->regBase, irq);
printk("Version %s, Compiled %s %s\n\n", PCI2220I_VERSION, __DATE__, __TIME__);
}
/****************************************************************
* Name: Pci2220i_Detect
*
* Description: Detect and initialize our boards.
*
* Parameters: tpnt - Pointer to SCSI host template structure.
*
* Returns: Number of adapters installed.
*
****************************************************************/
int Pci2220i_Detect (Scsi_Host_Template *tpnt)
{
struct Scsi_Host *pshost;
PADAPTER2220I padapter;
POUR_DEVICE pdev;
int unit;
int z;
USHORT raidon;
UCHAR spigot1, spigot2;
UCHAR device;
struct pci_dev *pcidev = NULL;
while ( (pcidev = pci_find_device (VENDOR_PSI, DEVICE_DALE_1, pcidev)) != NULL )
{
if (pci_enable_device(pcidev))
continue;
pshost = scsi_register (tpnt, sizeof(ADAPTER2220I));
if(pshost==NULL)
continue;
padapter = HOSTDATA(pshost);
if ( GetRegs (pshost, FALSE, pcidev) )
goto unregister;
scsi_set_device(pshost, &pcidev->dev);
pshost->max_id = padapter->numberOfDrives;
for ( z = 0; z < padapter->numberOfDrives; z++ )
{
unit = inb_p (padapter->regScratchPad + DALE_CHANNEL_DEVICE_0 + z) & 0x0F;
pdev = &padapter->device[z];
pdev->byte6 = (UCHAR)(((unit & 1) << 4) | 0xE0);
pdev->spigot = (UCHAR)(1 << (unit >> 1));
pdev->sectors = DaleSetup.setupDevice[unit].sectors;
pdev->heads = DaleSetup.setupDevice[unit].heads;
pdev->cylinders = DaleSetup.setupDevice[unit].cylinders;
pdev->blocks = DaleSetup.setupDevice[unit].blocks;
if ( !z )
{
DiskMirror[0].status = inb_p (padapter->regScratchPad + DALE_RAID_0_STATUS);
DiskMirror[1].status = inb_p (padapter->regScratchPad + DALE_RAID_1_STATUS);
if ( (DiskMirror[0].signature == SIGNATURE) && (DiskMirror[1].signature == SIGNATURE) &&
(DiskMirror[0].pairIdentifier == (DiskMirror[1].pairIdentifier ^ 1)) )
{
raidon = TRUE;
if ( unit > (unit ^ 2) )
unit = unit ^ 2;
}
else
raidon = FALSE;
memcpy (pdev->DiskMirror, DiskMirror, sizeof (DiskMirror));
padapter->raidData[0] = &pdev->DiskMirror[0];
padapter->raidData[2] = &pdev->DiskMirror[1];
spigot1 = spigot2 = FALSE;
pdev->spigots[0] = 1;
pdev->spigots[1] = 2;
pdev->lastsectorlba[0] = InlineIdentify (padapter, 1, 0);
pdev->lastsectorlba[1] = InlineIdentify (padapter, 2, 0);
if ( !(pdev->DiskMirror[1].status & UCBF_SURVIVOR) && pdev->lastsectorlba[0] )
spigot1 = TRUE;
if ( !(pdev->DiskMirror[0].status & UCBF_SURVIVOR) && pdev->lastsectorlba[1] )
spigot2 = TRUE;
if ( pdev->DiskMirror[0].status & DiskMirror[1].status & UCBF_SURVIVOR )
spigot1 = TRUE;
if ( spigot1 && (pdev->DiskMirror[0].status & UCBF_REBUILD) )
InlineReadSignature (padapter, pdev, 0);
if ( spigot2 && (pdev->DiskMirror[1].status & UCBF_REBUILD) )
InlineReadSignature (padapter, pdev, 1);
if ( spigot1 && spigot2 && raidon )
{
pdev->raid = 1;
if ( pdev->DiskMirror[0].status & UCBF_REBUILD )
pdev->spigot = 2;
else
pdev->spigot = 1;
if ( (pdev->DiskMirror[0].status & UCBF_REBUILD) || (pdev->DiskMirror[1].status & UCBF_REBUILD) )
padapter->reconOn = pdev->reconOn = pdev->reconIsStarting = TRUE;
}
else
{
if ( spigot1 )
{
if ( pdev->DiskMirror[0].status & UCBF_REBUILD )
goto unregister;
pdev->DiskMirror[0].status = UCBF_MIRRORED | UCBF_SURVIVOR;
pdev->spigot = 1;
}
else
{
if ( pdev->DiskMirror[1].status & UCBF_REBUILD )
goto unregister;
pdev->DiskMirror[1].status = UCBF_MIRRORED | UCBF_SURVIVOR;
pdev->spigot = 2;
}
if ( DaleSetup.rebootRebuild && raidon )
padapter->reconOn = pdev->reconOn = pdev->reconIsStarting = TRUE;
}
if ( raidon )
break;
}
}
SetupFinish (padapter, "2220", pshost->irq);
if ( ++Installed < MAXADAPTER )
continue;
break;
unregister:;
scsi_unregister (pshost);
}
while ( (pcidev = pci_find_device (VENDOR_PSI, DEVICE_BIGD_1, pcidev)) != NULL )
{
pshost = scsi_register (tpnt, sizeof(ADAPTER2220I));
padapter = HOSTDATA(pshost);
if ( GetRegs (pshost, TRUE, pcidev) )
goto unregister1;
for ( z = 0; z < BIGD_MAXDRIVES; z++ )
DiskMirror[z].status = inb_p (padapter->regScratchPad + BIGD_RAID_0_STATUS + z);
scsi_set_pci_device(pshost, pcidev);
pshost->max_id = padapter->numberOfDrives;
padapter->failRegister = inb_p (padapter->regScratchPad + BIGD_ALARM_IMAGE);
for ( z = 0; z < padapter->numberOfDrives; z++ )
{
unit = inb_p (padapter->regScratchPad + BIGD_DEVICE_0 + z);
pdev = &padapter->device[z];
pdev->byte6 = (UCHAR)(((unit & 1) << 4) | 0xE0);
pdev->spigot = (UCHAR)(1 << (unit >> 1));
pdev->sectors = DaleSetup.setupDevice[unit].sectors;
pdev->heads = DaleSetup.setupDevice[unit].heads;
pdev->cylinders = DaleSetup.setupDevice[unit].cylinders;
pdev->blocks = DaleSetup.setupDevice[unit].blocks;
if ( (DiskMirror[unit].signature == SIGNATURE) && (DiskMirror[unit ^ 2].signature == SIGNATURE) &&
(DiskMirror[unit].pairIdentifier == (DiskMirror[unit ^ 2].pairIdentifier ^ 1)) )
{
raidon = TRUE;
if ( unit > (unit ^ 2) )
unit = unit ^ 2;
}
else
raidon = FALSE;
spigot1 = spigot2 = FALSE;
memcpy (&pdev->DiskMirror[0], &DiskMirror[unit], sizeof (DISK_MIRROR));
memcpy (&pdev->DiskMirror[1], &DiskMirror[unit ^ 2], sizeof (DISK_MIRROR));
padapter->raidData[unit] = &pdev->DiskMirror[0];
padapter->raidData[unit ^ 2] = &pdev->DiskMirror[1];
pdev->spigots[0] = 1 << (unit >> 1);
pdev->spigots[1] = 1 << ((unit ^ 2) >> 1);
pdev->deviceID[0] = unit;
pdev->deviceID[1] = unit ^ 2;
pdev->lastsectorlba[0] = InlineIdentify (padapter, pdev->spigots[0], unit & 1);
pdev->lastsectorlba[1] = InlineIdentify (padapter, pdev->spigots[1], unit & 1);
if ( !(pdev->DiskMirror[1].status & UCBF_SURVIVOR) && pdev->lastsectorlba[0] )
spigot1 = TRUE;
if ( !(pdev->DiskMirror[0].status & UCBF_SURVIVOR) && pdev->lastsectorlba[1] )
spigot2 = TRUE;
if ( pdev->DiskMirror[0].status & pdev->DiskMirror[1].status & UCBF_SURVIVOR )
spigot1 = TRUE;
if ( spigot1 && (pdev->DiskMirror[0].status & UCBF_REBUILD) )
InlineReadSignature (padapter, pdev, 0);
if ( spigot2 && (pdev->DiskMirror[1].status & UCBF_REBUILD) )
InlineReadSignature (padapter, pdev, 1);
if ( spigot1 && spigot2 && raidon )
{
pdev->raid = 1;
if ( pdev->DiskMirror[0].status & UCBF_REBUILD )
pdev->spigot = pdev->spigots[1];
else
pdev->spigot = pdev->spigots[0];
if ( (pdev->DiskMirror[0].status & UCBF_REBUILD) || (pdev->DiskMirror[1].status & UCBF_REBUILD) )
padapter->reconOn = pdev->reconOn = pdev->reconIsStarting = TRUE;
}
else
{
if ( spigot1 )
{
if ( pdev->DiskMirror[0].status & UCBF_REBUILD )
goto unregister1;
pdev->DiskMirror[0].status = UCBF_MIRRORED | UCBF_SURVIVOR;
pdev->spigot = pdev->spigots[0];
}
else
{
if ( pdev->DiskMirror[1].status & UCBF_REBUILD )
goto unregister;
pdev->DiskMirror[1].status = UCBF_MIRRORED | UCBF_SURVIVOR;
pdev->spigot = pdev->spigots[1];
}
if ( DaleSetup.rebootRebuild && raidon )
padapter->reconOn = pdev->reconOn = pdev->reconIsStarting = TRUE;
}
}
if ( !padapter->numberOfDrives ) // If no ATA devices then scan ATAPI
{
unit = 0;
for ( spigot1 = 0; spigot1 < 4; spigot1++ )
{
for ( device = 0; device < 2; device++ )
{
DEB (printk ("\nPCI2242I: scanning for ID %d ", (spigot1 * 2) + device));
pdev = &(padapter->device[(spigot1 * 2) + device]);
pdev->byte6 = 0x0A | (device << 4);
pdev->spigot = 1 << spigot1;
if ( !AtapiReset (padapter, pdev) )
{
DEB (printk (" Device found "));
if ( !AtapiIdentify (padapter, pdev) )
{
DEB (printk (" Device verified"));
unit++;
continue;
}
}
pdev->spigot = pdev->byte6 = 0;
}
}
if ( unit )
{
padapter->atapi = TRUE;
padapter->timingAddress = DALE_DATA_MODE3;
outw_p (0x0900, padapter->regIrqControl); // Turn our interrupts on
outw_p (0x0C41, padapter->regDmaMode - 1); // setup for 16 bits, ready enabled, done IRQ enabled, no incriment
outb_p (0xFF, padapter->regFail); // all fail lights and alarm off
pshost->max_id = 8;
}
}
SetupFinish (padapter, "2240", pshost->irq);
if ( ++Installed < MAXADAPTER )
continue;
break;
unregister1:;
scsi_unregister (pshost);
}
NumAdapters = Installed;
return Installed;
}
/****************************************************************
* Name: Pci2220i_Abort
*
* Description: Process the Abort command from the SCSI manager.
*
* Parameters: SCpnt - Pointer to SCSI command structure.
*
* Returns: Allways snooze.
*
****************************************************************/
int Pci2220i_Abort (Scsi_Cmnd *SCpnt)
{
PADAPTER2220I padapter = HOSTDATA(SCpnt->device->host); // Pointer to adapter control structure
POUR_DEVICE pdev = &padapter->device[SCpnt->device->id];// Pointer to device information
if ( !padapter->SCpnt )
return SCSI_ABORT_NOT_RUNNING;
if ( padapter->atapi )
{
if ( AtapiReset (padapter, pdev) )
return SCSI_ABORT_ERROR;
OpDone (padapter, DID_ABORT << 16);
return SCSI_ABORT_SUCCESS;
}
return SCSI_ABORT_SNOOZE;
}
/****************************************************************
* Name: Pci2220i_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 Pci2220i_Reset (Scsi_Cmnd *SCpnt, unsigned int reset_flags)
{
PADAPTER2220I padapter = HOSTDATA(SCpnt->device->host); // Pointer to adapter control structure
POUR_DEVICE pdev = &padapter->device[SCpnt->device->id];// Pointer to device information
if ( padapter->atapi )
{
if ( AtapiReset (padapter, pdev) )
return SCSI_RESET_ERROR;
return SCSI_RESET_SUCCESS;
}
return SCSI_RESET_PUNT;
}
/****************************************************************
* Name: Pci2220i_Release
*
* Description: Release resources allocated for a single each adapter.
*
* Parameters: pshost - Pointer to SCSI command structure.
*
* Returns: zero.
*
****************************************************************/
int Pci2220i_Release (struct Scsi_Host *pshost)
{
PADAPTER2220I padapter = HOSTDATA (pshost);
USHORT z;
if ( padapter->reconOn )
{
padapter->reconOn = FALSE; // shut down the hot reconstruct
if ( padapter->reconPhase )
mdelay (300);
if ( padapter->reconTimer.data ) // is the timer running?
{
del_timer (&padapter->reconTimer);
padapter->reconTimer.data = 0;
}
}
// save RAID status on the board
if ( padapter->bigD )
{
outb_p (padapter->failRegister, padapter->regScratchPad + BIGD_ALARM_IMAGE);
for ( z = 0; z < BIGD_MAXDRIVES; z++ )
{
if ( padapter->raidData )
outb_p (padapter->raidData[z]->status, padapter->regScratchPad + BIGD_RAID_0_STATUS + z);
else
outb_p (0, padapter->regScratchPad + BIGD_RAID_0_STATUS);
}
}
else
{
outb_p (padapter->device[0].DiskMirror[0].status, padapter->regScratchPad + DALE_RAID_0_STATUS);
outb_p (padapter->device[0].DiskMirror[1].status, padapter->regScratchPad + DALE_RAID_1_STATUS);
}
if ( padapter->irqOwned )
free_irq (pshost->irq, padapter);
release_region (pshost->io_port, pshost->n_io_port);
if ( padapter->numberOfDrives )
pci_free_consistent (padapter->pcidev, SECTORSXFER * BYTES_PER_SECTOR, padapter->kBuffer, padapter->kBufferDma);
else
pci_free_consistent (padapter->pcidev, ATAPI_TRANSFER, padapter->kBuffer, padapter->kBufferDma);
scsi_unregister(pshost);
return 0;
}
/****************************************************************
* Name: Pci2220i_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 Pci2220i_BiosParam (struct scsi_device *sdev, struct block_device *dev,
sector_t capacity, int geom[])
{
POUR_DEVICE pdev;
if ( !(HOSTDATA(sdev->host))->atapi )
{
pdev = &(HOSTDATA(sdev->host)->device[sdev->id]);
geom[0] = pdev->heads;
geom[1] = pdev->sectors;
geom[2] = pdev->cylinders;
}
return 0;
}
MODULE_LICENSE("Dual BSD/GPL");
static Scsi_Host_Template driver_template = {
.proc_name = "pci2220i",
.name = "PCI-2220I/PCI-2240I",
.detect = Pci2220i_Detect,
.release = Pci2220i_Release,
.queuecommand = Pci2220i_QueueCommand,
.abort = Pci2220i_Abort,
.reset = Pci2220i_Reset,
.bios_param = Pci2220i_BiosParam,
.can_queue = 1,
.this_id = -1,
.sg_tablesize = SG_ALL,
.cmd_per_lun = 1,
.use_clustering = DISABLE_CLUSTERING,
};
#include "scsi_module.c"
drivers/scsi/pci2220i.h deleted 100644 → 0
View file @ 608648cb
/****************************************************************************
* Perceptive Solutions, Inc. PCI-2220I device driver for Linux.
*
* pci2220i.h - Linux Host Driver for PCI-2220i EIDE Adapters
*
* Copyright (c) 1997-1999 Perceptive Solutions, Inc.
* All Rights Reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that redistributions of source
* code retain the above copyright notice and this comment without
* modification.
*
* Technical updates and product information at:
* http://www.psidisk.com
*
* Please send questions, comments, bug reports to:
* tech@psidisk.com Technical Support
*
****************************************************************************/
#ifndef _PCI2220I_H
#define _PCI2220I_H
#ifndef LINUX_VERSION_CODE
#include <linux/version.h>
#endif
#define LINUXVERSION(v,p,s) (((v)<<16) + ((p)<<8) + (s))
// function prototypes
int Pci2220i_Detect (Scsi_Host_Template *tpnt);
int Pci2220i_Command (Scsi_Cmnd *SCpnt);
int Pci2220i_QueueCommand (Scsi_Cmnd *SCpnt, void (*done)(Scsi_Cmnd *));
int Pci2220i_Abort (Scsi_Cmnd *SCpnt);
int Pci2220i_Reset (Scsi_Cmnd *SCpnt, unsigned int flags);
int Pci2220i_Release (struct Scsi_Host *pshost);
int Pci2220i_BiosParam (struct scsi_device *sdev,
struct block_device *dev,
sector_t capacity, int geom[]);
#endif
drivers/scsi/psi_dale.h deleted 100644 → 0
View file @ 608648cb
/****************************************************************************
* Perceptive Solutions, Inc. PCI-2220I device driver for Linux.
*
* psi_dalei.h - Linux Host Driver for PCI-2220i EIDE Adapters
*
* Copyright (c) 1997-1999 Perceptive Solutions, Inc.
* All Rights Reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that redistributions of source
* code retain the above copyright notice and this comment without
* modification.
*
* Technical updates and product information at:
* http://www.psidisk.com
*
* Please send questions, comments, bug reports to:
* tech@psidisk.com Technical Support
*
****************************************************************************/
/************************************************/
/* Some defines that we like */
/************************************************/
#define CHAR char
#define UCHAR unsigned char
#define SHORT short
#define USHORT unsigned short
#define BOOL unsigned short
#define LONG long
#define ULONG unsigned long
#define VOID void
/************************************************/
/* Dale PCI setup */
/************************************************/
#define VENDOR_PSI 0x1256
#define DEVICE_DALE_1 0x4401 /* 'D1' */
#define DEVICE_BIGD_1 0x4201 /* 'B1' */
#define DEVICE_BIGD_2 0x4202 /* 'B2' */
/************************************************/
/* Misc konstants */
/************************************************/
#define DALE_MAXDRIVES 4
#define BIGD_MAXDRIVES 8
#define SECTORSXFER 8
#define ATAPI_TRANSFER 8192
#define BYTES_PER_SECTOR 512
#define DEFAULT_TIMING_MODE 5
/************************************************/
/* EEPROM locations */
/************************************************/
#define DALE_FLASH_PAGE_SIZE 128 // number of bytes per page
#define DALE_FLASH_SIZE 65536L
#define DALE_FLASH_BIOS 0x00080000L // BIOS base address
#define DALE_FLASH_SETUP 0x00088000L // SETUP PROGRAM base address offset from BIOS
#define DALE_FLASH_RAID 0x00088400L // RAID signature storage
#define DALE_FLASH_FACTORY 0x00089000L // FACTORY data base address offset from BIOS
#define DALE_FLASH_BIOS_SIZE 32768U // size of FLASH BIOS REGION
/************************************************/
/* DALE Register address offsets */
/************************************************/
#define REG_DATA 0x80
#define REG_ERROR 0x84
#define REG_SECTOR_COUNT 0x88
#define REG_LBA_0 0x8C
#define REG_LBA_8 0x90
#define REG_LBA_16 0x94
#define REG_LBA_24 0x98
#define REG_STAT_CMD 0x9C
#define REG_STAT_SEL 0xA0
#define REG_FAIL 0xB0
#define REG_ALT_STAT 0xB8
#define REG_DRIVE_ADRS 0xBC
#define DALE_DATA_SLOW 0x00040000L
#define DALE_DATA_MODE2 0x00040000L
#define DALE_DATA_MODE3 0x00050000L
#define DALE_DATA_MODE4 0x00060000L
#define DALE_DATA_MODE5 0x00070000L
#define BIGD_DATA_SLOW 0x00000000L
#define BIGD_DATA_MODE0 0x00000000L
#define BIGD_DATA_MODE2 0x00000000L
#define BIGD_DATA_MODE3 0x00000008L
#define BIGD_DATA_MODE4 0x00000010L
#define BIGD_DATA_MODE5 0x00000020L
#define RTR_LOCAL_RANGE 0x000
#define RTR_LOCAL_REMAP 0x004
#define RTR_EXP_RANGE 0x010
#define RTR_EXP_REMAP 0x014
#define RTR_REGIONS 0x018
#define RTR_DM_MASK 0x01C
#define RTR_DM_LOCAL_BASE 0x020
#define RTR_DM_IO_BASE 0x024
#define RTR_DM_PCI_REMAP 0x028
#define RTR_DM_IO_CONFIG 0x02C
#define RTR_MAILBOX 0x040
#define RTR_LOCAL_DOORBELL 0x060
#define RTR_PCI_DOORBELL 0x064
#define RTR_INT_CONTROL_STATUS 0x068
#define RTR_EEPROM_CONTROL_STATUS 0x06C
#define RTR_DMA0_MODE 0x0080
#define RTR_DMA0_PCI_ADDR 0x0084
#define RTR_DMA0_LOCAL_ADDR 0x0088
#define RTR_DMA0_COUNT 0x008C
#define RTR_DMA0_DESC_PTR 0x0090
#define RTR_DMA1_MODE 0x0094
#define RTR_DMA1_PCI_ADDR 0x0098
#define RTR_DMA1_LOCAL_ADDR 0x009C
#define RTR_DMA1_COUNT 0x00A0
#define RTR_DMA1_DESC_PTR 0x00A4
#define RTR_DMA_COMMAND_STATUS 0x00A8
#define RTR_DMA_ARB0 0x00AC
#define RTR_DMA_ARB1 0x00B0
#define RTL_DMA0_MODE 0x00
#define RTL_DMA0_PCI_ADDR 0x04
#define RTL_DMA0_LOCAL_ADDR 0x08
#define RTL_DMA0_COUNT 0x0C
#define RTL_DMA0_DESC_PTR 0x10
#define RTL_DMA1_MODE 0x14
#define RTL_DMA1_PCI_ADDR 0x18
#define RTL_DMA1_LOCAL_ADDR 0x1C
#define RTL_DMA1_COUNT 0x20
#define RTL_DMA1_DESC_PTR 0x24
#define RTL_DMA_COMMAND_STATUS 0x28
#define RTL_DMA_ARB0 0x2C
#define RTL_DMA_ARB1 0x30
/************************************************/
/* Dale Scratchpad locations */
/************************************************/
#define DALE_CHANNEL_DEVICE_0 0 // device channel locations
#define DALE_CHANNEL_DEVICE_1 1
#define DALE_CHANNEL_DEVICE_2 2
#define DALE_CHANNEL_DEVICE_3 3
#define DALE_SCRATCH_DEVICE_0 4 // device type codes
#define DALE_SCRATCH_DEVICE_1 5
#define DALE_SCRATCH_DEVICE_2 6
#define DALE_SCRATCH_DEVICE_3 7
#define DALE_RAID_0_STATUS 8
#define DALE_RAID_1_STATUS 9
#define DALE_TIMING_MODE 12 // bus master timing mode (2, 3, 4, 5)
#define DALE_NUM_DRIVES 13 // number of addressable drives on this board
#define DALE_RAID_ON 14 // RAID status On
#define DALE_LAST_ERROR 15 // Last error code from BIOS
/************************************************/
/* BigD Scratchpad locations */
/************************************************/
#define BIGD_DEVICE_0 0 // device channel locations
#define BIGD_DEVICE_1 1
#define BIGD_DEVICE_2 2
#define BIGD_DEVICE_3 3
#define BIGD_DEVICE_4 4 // device type codes
#define BIGD_DEVICE_5 5
#define BIGD_DEVICE_6 6
#define BIGD_DEVICE_7 7
#define BIGD_ALARM_IMAGE 11 // ~image of alarm fail register
#define BIGD_TIMING_MODE 12 // bus master timing mode (2, 3, 4, 5)
#define BIGD_NUM_DRIVES 13 // number of addressable drives on this board
#define BIGD_RAID_ON 14 // RAID status is on for the whole board
#define BIGD_LAST_ERROR 15 // Last error code from BIOS
#define BIGD_RAID_0_STATUS 16
#define BIGD_RAID_1_STATUS 17
#define BIGD_RAID_2_STATUS 18
#define BIGD_RAID_3_STATUS 19
#define BIGD_RAID_4_STATUS 20
#define BIGD_RAID_5_STATUS 21
#define BIGD_RAID_6_STATUS 22
#define BIGD_RAID_7_STATUS 23
/************************************************/
/* Dale cable select bits */
/************************************************/
#define SEL_NONE 0x00
#define SEL_1 0x01
#define SEL_2 0x02
#define SEL_3 0x04
#define SEL_4 0x08
#define SEL_NEW_SPEED_1 0x20
#define SEL_COPY 0x40
#define SEL_IRQ_OFF 0x80
/************************************************/
/* Device/Geometry controls */
/************************************************/
#define GEOMETRY_NONE 0x0 // No device
#define GEOMETRY_SET 0x1 // Geometry set
#define GEOMETRY_LBA 0x2 // Geometry set in default LBA mode
#define GEOMETRY_PHOENIX 0x3 // Geometry set in Pheonix BIOS compatibility mode
#define DEVICE_NONE 0x0 // No device present
#define DEVICE_INACTIVE 0x1 // device present but not registered active
#define DEVICE_ATAPI 0x2 // ATAPI device (CD_ROM, Tape, Etc...)
#define DEVICE_DASD_NONLBA 0x3 // Non LBA incompatible device
#define DEVICE_DASD_LBA 0x4 // LBA compatible device
/************************************************/
/* BigD fail register bits */
/************************************************/
#define FAIL_NONE 0x00
#define FAIL_0 0x01
#define FAIL_1 0x02
#define FAIL_2 0x04
#define FAIL_MULTIPLE 0x08
#define FAIL_GOOD 0x20
#define FAIL_AUDIBLE 0x40
#define FAIL_ANY 0x80
/************************************************/
/* Setup Structure Definitions */
/************************************************/
typedef struct // device setup parameters
{
UCHAR geometryControl; // geometry control flags
UCHAR device; // device code
USHORT sectors; // number of sectors per track
USHORT heads; // number of heads
USHORT cylinders; // number of cylinders for this device
ULONG blocks; // number of blocks on device
ULONG realCapacity; // number of real blocks on this device for drive changed testing
} SETUP_DEVICE, *PSETUP_DEVICE;
typedef struct // master setup structure
{
USHORT startupDelay;
BOOL promptBIOS;
BOOL fastFormat;
BOOL shareInterrupt;
BOOL rebootRebuild;
USHORT timingMode;
USHORT spare5;
USHORT spare6;
SETUP_DEVICE setupDevice[BIGD_MAXDRIVES];
} SETUP, *PSETUP;
/************************************************/
/* RAID Structure Definitions */
/************************************************/
typedef struct
{
UCHAR signature; // 0x55 our mirror signature
UCHAR status; // current status bits
UCHAR pairIdentifier; // unique identifier for pair
ULONG reconstructPoint; // recontruction point for hot reconstruct
} DISK_MIRROR;
typedef struct DEVICE_RAID1
{
long TotalSectors;
DISK_MIRROR DiskRaid1;
} DEVICE_RAID1, *PDEVICE_RAID1;
#define DISK_MIRROR_POSITION 0x01A8
#define SIGNATURE 0x55
#define MASK_SERIAL_NUMBER 0x0FFE // mask for serial number matching
#define MASK_SERIAL_UNIT 0x0001 // mask for unit portion of serial number
// Status bits
#define UCBF_MIRRORED 0x0010 // drive has a pair
#define UCBF_MATCHED 0x0020 // drive pair is matched
#define UCBF_SURVIVOR 0x0040 // this unit is a survivor of a pair
#define UCBF_REBUILD 0x0080 // rebuild in progress on this device
// SCSI controls for RAID
#define SC_MY_RAID 0xBF // our special CDB command byte for Win95... interface
#define MY_SCSI_QUERY1 0x32 // byte 1 subcommand to query driver for RAID 1 informatation
#define MY_SCSI_REBUILD 0x40 // byte 1 subcommand to reconstruct a mirrored pair
#define MY_SCSI_DEMOFAIL 0x54 // byte 1 subcommand for RAID failure demonstration
#define MY_SCSI_ALARMMUTE 0x60 // byte 1 subcommand to mute any alarm currently on
/************************************************/
/* Timeout konstants */
/************************************************/
#define TIMEOUT_READY 100 // 100 mSec
#define TIMEOUT_DRQ 300 // 300 mSec
#define TIMEOUT_DATA (3 * HZ) // 3 seconds
/************************************************/
/* Misc. macros */
/************************************************/
#define ANY2SCSI(up, p) \
((UCHAR *)up)[0] = (((ULONG)(p)) >> 8); \
((UCHAR *)up)[1] = ((ULONG)(p));
#define SCSI2LONG(up) \
( (((long)*(((UCHAR *)up))) << 16) \
+ (((long)(((UCHAR *)up)[1])) << 8) \
+ ((long)(((UCHAR *)up)[2])) )
#define XANY2SCSI(up, p) \
((UCHAR *)up)[0] = ((long)(p)) >> 24; \
((UCHAR *)up)[1] = ((long)(p)) >> 16; \
((UCHAR *)up)[2] = ((long)(p)) >> 8; \
((UCHAR *)up)[3] = ((long)(p));
#define XSCSI2LONG(up) \
( (((long)(((UCHAR *)up)[0])) << 24) \
+ (((long)(((UCHAR *)up)[1])) << 16) \
+ (((long)(((UCHAR *)up)[2])) << 8) \
+ ((long)(((UCHAR *)up)[3])) )
#define SelectSpigot(padapter,spigot) outb_p (spigot, padapter->regStatSel)
#define WriteCommand(padapter,cmd) outb_p (cmd, padapter->regStatCmd)
#define AtapiDevice(padapter,b) outb_p (b, padapter->regLba24);
#define AtapiCountLo(padapter,b) outb_p (b, padapter->regLba8)
#define AtapiCountHi(padapter,b) outb_p (b, padapter->regLba16)
/************************************************/
/* SCSI CDB operation codes */
/************************************************/
#define SCSIOP_TEST_UNIT_READY 0x00
#define SCSIOP_REZERO_UNIT 0x01
#define SCSIOP_REWIND 0x01
#define SCSIOP_REQUEST_BLOCK_ADDR 0x02
#define SCSIOP_REQUEST_SENSE 0x03
#define SCSIOP_FORMAT_UNIT 0x04
#define SCSIOP_READ_BLOCK_LIMITS 0x05
#define SCSIOP_REASSIGN_BLOCKS 0x07
#define SCSIOP_READ6 0x08
#define SCSIOP_RECEIVE 0x08
#define SCSIOP_WRITE6 0x0A
#define SCSIOP_PRINT 0x0A
#define SCSIOP_SEND 0x0A
#define SCSIOP_SEEK6 0x0B
#define SCSIOP_TRACK_SELECT 0x0B
#define SCSIOP_SLEW_PRINT 0x0B
#define SCSIOP_SEEK_BLOCK 0x0C
#define SCSIOP_PARTITION 0x0D
#define SCSIOP_READ_REVERSE 0x0F
#define SCSIOP_WRITE_FILEMARKS 0x10
#define SCSIOP_FLUSH_BUFFER 0x10
#define SCSIOP_SPACE 0x11
#define SCSIOP_INQUIRY 0x12
#define SCSIOP_VERIFY6 0x13
#define SCSIOP_RECOVER_BUF_DATA 0x14
#define SCSIOP_MODE_SELECT 0x15
#define SCSIOP_RESERVE_UNIT 0x16
#define SCSIOP_RELEASE_UNIT 0x17
#define SCSIOP_COPY 0x18
#define SCSIOP_ERASE 0x19
#define SCSIOP_MODE_SENSE 0x1A
#define SCSIOP_START_STOP_UNIT 0x1B
#define SCSIOP_STOP_PRINT 0x1B
#define SCSIOP_LOAD_UNLOAD 0x1B
#define SCSIOP_RECEIVE_DIAGNOSTIC 0x1C
#define SCSIOP_SEND_DIAGNOSTIC 0x1D
#define SCSIOP_MEDIUM_REMOVAL 0x1E
#define SCSIOP_READ_CAPACITY 0x25
#define SCSIOP_READ 0x28
#define SCSIOP_WRITE 0x2A
#define SCSIOP_SEEK 0x2B
#define SCSIOP_LOCATE 0x2B
#define SCSIOP_WRITE_VERIFY 0x2E
#define SCSIOP_VERIFY 0x2F
#define SCSIOP_SEARCH_DATA_HIGH 0x30
#define SCSIOP_SEARCH_DATA_EQUAL 0x31
#define SCSIOP_SEARCH_DATA_LOW 0x32
#define SCSIOP_SET_LIMITS 0x33
#define SCSIOP_READ_POSITION 0x34
#define SCSIOP_SYNCHRONIZE_CACHE 0x35
#define SCSIOP_COMPARE 0x39
#define SCSIOP_COPY_COMPARE 0x3A
#define SCSIOP_WRITE_DATA_BUFF 0x3B
#define SCSIOP_READ_DATA_BUFF 0x3C
#define SCSIOP_CHANGE_DEFINITION 0x40
#define SCSIOP_READ_SUB_CHANNEL 0x42
#define SCSIOP_READ_TOC 0x43
#define SCSIOP_READ_HEADER 0x44
#define SCSIOP_PLAY_AUDIO 0x45
#define SCSIOP_PLAY_AUDIO_MSF 0x47
#define SCSIOP_PLAY_TRACK_INDEX 0x48
#define SCSIOP_PLAY_TRACK_RELATIVE 0x49
#define SCSIOP_PAUSE_RESUME 0x4B
#define SCSIOP_LOG_SELECT 0x4C
#define SCSIOP_LOG_SENSE 0x4D
#define SCSIOP_MODE_SELECT10 0x55
#define SCSIOP_MODE_SENSE10 0x5A
#define SCSIOP_LOAD_UNLOAD_SLOT 0xA6
#define SCSIOP_MECHANISM_STATUS 0xBD
#define SCSIOP_READ_CD 0xBE
// IDE command definitions
#define IDE_COMMAND_ATAPI_RESET 0x08
#define IDE_COMMAND_READ 0x20
#define IDE_COMMAND_WRITE 0x30
#define IDE_COMMAND_RECALIBRATE 0x10
#define IDE_COMMAND_SEEK 0x70
#define IDE_COMMAND_SET_PARAMETERS 0x91
#define IDE_COMMAND_VERIFY 0x40
#define IDE_COMMAND_ATAPI_PACKET 0xA0
#define IDE_COMMAND_ATAPI_IDENTIFY 0xA1
#define IDE_CMD_READ_MULTIPLE 0xC4
#define IDE_CMD_WRITE_MULTIPLE 0xC5
#define IDE_CMD_SET_MULTIPLE 0xC6
#define IDE_COMMAND_IDENTIFY 0xEC
// IDE status definitions
#define IDE_STATUS_ERROR 0x01
#define IDE_STATUS_INDEX 0x02
#define IDE_STATUS_CORRECTED_ERROR 0x04
#define IDE_STATUS_DRQ 0x08
#define IDE_STATUS_DSC 0x10
#define IDE_STATUS_WRITE_FAULT 0x20
#define IDE_STATUS_DRDY 0x40
#define IDE_STATUS_BUSY 0x80
typedef struct _ATAPI_STATUS
{
CHAR check :1;
CHAR reserved1 :1;
CHAR corr :1;
CHAR drq :1;
CHAR dsc :1;
CHAR reserved2 :1;
CHAR drdy :1;
CHAR bsy :1;
} ATAPI_STATUS;
typedef struct _ATAPI_REASON
{
CHAR cod :1;
CHAR io :1;
CHAR reserved1 :6;
} ATAPI_REASON;
typedef struct _ATAPI_ERROR
{
CHAR ili :1;
CHAR eom :1;
CHAR abort :1;
CHAR mcr :1;
CHAR senseKey :4;
} ATAPI_ERROR;
// IDE error definitions
#define IDE_ERROR_AMNF 0x01
#define IDE_ERROR_TKONF 0x02
#define IDE_ERROR_ABRT 0x04
#define IDE_ERROR_MCR 0x08
#define IDE_ERROR_IDFN 0x10
#define IDE_ERROR_MC 0x20
#define IDE_ERROR_UNC 0x40
#define IDE_ERROR_BBK 0x80
// SCSI read capacity structure
typedef struct _READ_CAPACITY_DATA
{
ULONG blks; /* total blocks (converted to little endian) */
ULONG blksiz; /* size of each (converted to little endian) */
} READ_CAPACITY_DATA, *PREAD_CAPACITY_DATA;
// SCSI inquiry data
typedef struct _INQUIRYDATA
{
UCHAR DeviceType :5;
UCHAR DeviceTypeQualifier :3;
UCHAR DeviceTypeModifier :7;
UCHAR RemovableMedia :1;
UCHAR Versions;
UCHAR ResponseDataFormat;
UCHAR AdditionalLength;
UCHAR Reserved[2];
UCHAR SoftReset :1;
UCHAR CommandQueue :1;
UCHAR Reserved2 :1;
UCHAR LinkedCommands :1;
UCHAR Synchronous :1;
UCHAR Wide16Bit :1;
UCHAR Wide32Bit :1;
UCHAR RelativeAddressing :1;
UCHAR VendorId[8];
UCHAR ProductId[16];
UCHAR ProductRevisionLevel[4];
UCHAR VendorSpecific[20];
UCHAR Reserved3[40];
} INQUIRYDATA, *PINQUIRYDATA;
// IDE IDENTIFY data
#pragma pack (1)
typedef struct _IDENTIFY_DATA
{
USHORT GeneralConfiguration; // 0
USHORT NumberOfCylinders; // 1
USHORT Reserved1; // 2
USHORT NumberOfHeads; // 3
USHORT UnformattedBytesPerTrack; // 4
USHORT UnformattedBytesPerSector; // 5
USHORT SectorsPerTrack; // 6
USHORT NumBytesISG; // 7 Byte Len - inter-sector gap
USHORT NumBytesSync; // 8 - sync field
USHORT NumWordsVUS; // 9 Len - Vendor Unique Info
USHORT SerialNumber[10]; // 10
USHORT BufferType; // 20
USHORT BufferSectorSize; // 21
USHORT NumberOfEccBytes; // 22
USHORT FirmwareRevision[4]; // 23
USHORT ModelNumber[20]; // 27
USHORT NumSectorsPerInt :8; // 47 Multiple Mode - Sec/Blk
USHORT Reserved2 :8; // 47
USHORT DoubleWordMode; // 48 flag for double word mode capable
USHORT VendorUnique1 :8; // 49
USHORT SupportDMA :1; // 49 DMA supported
USHORT SupportLBA :1; // 49 LBA supported
USHORT SupportIORDYDisable :1; // 49 IORDY can be disabled
USHORT SupportIORDY :1; // 49 IORDY supported
USHORT ReservedPsuedoDMA :1; // 49 reserved for pseudo DMA mode support
USHORT Reserved3 :3; // 49
USHORT Reserved4; // 50
USHORT Reserved5 :8; // 51 Transfer Cycle Timing - PIO
USHORT PIOCycleTime :8; // 51 Transfer Cycle Timing - PIO
USHORT Reserved6 :8; // 52 - DMA
USHORT DMACycleTime :8; // 52 - DMA
USHORT Valid_54_58 :1; // 53 words 54 - 58 are valid
USHORT Valid_64_70 :1; // 53 words 64 - 70 are valid
USHORT Reserved7 :14; // 53
USHORT LogNumCyl; // 54 Current Translation - Num Cyl
USHORT LogNumHeads; // 55 Num Heads
USHORT LogSectorsPerTrack; // 56 Sec/Trk
ULONG LogTotalSectors; // 57 Total Sec
USHORT CurrentNumSecPerInt :8; // 59 current setting for number of sectors per interrupt
USHORT ValidNumSecPerInt :1; // 59 Current setting is valid for number of sectors per interrupt
USHORT Reserved8 :7; // 59
ULONG LBATotalSectors; // 60 LBA Mode - Sectors
USHORT DMASWordFlags; // 62
USHORT DMAMWordFlags; // 63
USHORT AdvancedPIOSupport :8; // 64 Flow control PIO transfer modes supported
USHORT Reserved9 :8; // 64
USHORT MinMultiDMACycle; // 65 minimum multiword DMA transfer cycle time per word
USHORT RecomendDMACycle; // 66 Manufacturer's recommende multiword DMA transfer cycle time
USHORT MinPIOCycleWithoutFlow; // 67 Minimum PIO transfer cycle time without flow control
USHORT MinPIOCylceWithFlow; // 68 Minimum PIO transfer cycle time with IORDY flow control
USHORT ReservedSpace[256-69]; // 69
} IDENTIFY_DATA, *PIDENTIFY_DATA;
// ATAPI configuration bits
typedef struct _ATAPI_GENERAL_0
{
USHORT CmdPacketSize :2; // Command packet size
USHORT Reserved1 :3;
USHORT CmdDrqType :2;
USHORT Removable :1;
USHORT DeviceType :5;
USHORT Reserved2 :1;
USHORT ProtocolType :2;
} ATAPI_GENERAL_0;
#pragma pack ()
drivers/scsi/psi_roy.h deleted 100644 → 0
View file @ 608648cb
/****************************************************************************
* Perceptive Solutions, Inc. PCI-2000 device driver for Linux.
*
* psi_roy.h - Linux Host Driver for PCI-2000 IntelliCache SCSI Adapters
*
* Copyright (c) 1997-1999 Perceptive Solutions, Inc.
* All Rights Reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that redistributions of source
* code retain the above copyright notice and this comment without
* modification.
*
* Technical updates and product information at:
* http://www.psidisk.com
*
* Please send questions, comments, bug reports to:
* tech@psidisk.com Technical Support
*
****************************************************************************/
#ifndef ROY_HOST
#define ROY_HOST
/************************************************/
/* PCI setup */
/************************************************/
#define VENDOR_PSI 0x1256
#define DEVICE_ROY_1 0x5201 /* 'R1' */
/************************************************/
/* controller constants */
/************************************************/
#define MAXADAPTER 4 // Increase this and the sizes of the arrays below, if you need more.
#define MAX_BUS 2
#define MAX_UNITS 16
#define TIMEOUT_COMMAND 400 // number of milliSecondos for command busy timeout
/************************************************/
/* I/O address offsets */
/************************************************/
#define RTR_MAILBOX 0x040
#define RTR_LOCAL_DOORBELL 0x060
#define RTR_PCI_DOORBELL 0x064
/************************************************/
/* */
/* Host command codes */
/* */
/************************************************/
#define CMD_READ_CHS 0x01 /* read sectors as specified (CHS mode) */
#define CMD_READ 0x02 /* read sectors as specified (RBA mode) */
#define CMD_READ_SG 0x03 /* read sectors using scatter/gather list */
#define CMD_WRITE_CHS 0x04 /* write sectors as specified (CHS mode) */
#define CMD_WRITE 0x05 /* write sectors as specified (RBA mode) */
#define CMD_WRITE_SG 0x06 /* write sectors using scatter/gather list (LBA mode) */
#define CMD_READ_CHS_SG 0x07 /* read sectors using scatter/gather list (CHS mode) */
#define CMD_WRITE_CHS_SG 0x08 /* write sectors using scatter/gather list (CHS mode) */
#define CMD_VERIFY_CHS 0x09 /* verify data on sectors as specified (CHS mode) */
#define CMD_VERIFY 0x0A /* verify data on sectors as specified (RBA mode) */
#define CMD_DASD_CDB 0x0B /* process CDB for a DASD device */
#define CMD_DASD_CDB_SG 0x0C /* process CDB for a DASD device with scatter/gather */
#define CMD_READ_ABS 0x10 /* read absolute disk */
#define CMD_WRITE_ABS 0x11 /* write absolute disk */
#define CMD_VERIFY_ABS 0x12 /* verify absolute disk */
#define CMD_TEST_READY 0x13 /* test unit ready and return status code */
#define CMD_LOCK_DOOR 0x14 /* lock device door */
#define CMD_UNLOCK_DOOR 0x15 /* unlock device door */
#define CMD_EJECT_MEDIA 0x16 /* eject the media */
#define CMD_UPDATE_CAP 0x17 /* update capacity information */
#define CMD_TEST_PRIV 0x18 /* test and setup private format media */
#define CMD_SCSI_THRU 0x30 /* SCSI pass through CDB */
#define CMD_SCSI_THRU_SG 0x31 /* SCSI pass through CDB with scatter/gather */
#define CMD_SCSI_REQ_SENSE 0x32 /* SCSI pass through request sense after check condition */
#define CMD_DASD_RAID_RQ 0x35 /* request DASD RAID drive data */
#define CMD_DASD_RAID_RQ0 0x31 /* byte 1 subcommand to query for RAID 0 informatation */
#define CMD_DASD_RAID_RQ1 0x32 /* byte 1 subcommand to query for RAID 1 informatation */
#define CMD_DASD_RAID_RQ5 0x33 /* byte 1 subcommand to query for RAID 5 informatation */
#define CMD_DASD_SCSI_INQ 0x36 /* do DASD inquire and return in SCSI format */
#define CMD_DASD_CAP 0x37 /* read DASD capacity */
#define CMD_DASD_INQ 0x38 /* do DASD inquire for type data and return SCSI/EIDE inquiry */
#define CMD_SCSI_INQ 0x39 /* do SCSI inquire */
#define CMD_READ_SETUP 0x3A /* Get setup structures from controller */
#define CMD_WRITE_SETUP 0x3B /* Put setup structures in controller and burn in flash */
#define CMD_READ_CONFIG 0x3C /* Get the entire configuration and setup structures */
#define CMD_WRITE_CONFIG 0x3D /* Put the entire configuration and setup structures in flash */
#define CMD_TEXT_DEVICE 0x3E /* obtain device text */
#define CMD_TEXT_SIGNON 0x3F /* get sign on banner */
#define CMD_QUEUE 0x40 /* any command below this generates a queue tag interrupt to host*/
#define CMD_PREFETCH 0x40 /* prefetch sectors as specified */
#define CMD_TEST_WRITE 0x41 /* Test a device for write protect */
#define CMD_LAST_STATUS 0x42 /* get last command status and error data*/
#define CMD_ABORT 0x43 /* abort command as specified */
#define CMD_ERROR 0x44 /* fetch error code from a tagged op */
#define CMD_DONE 0x45 /* done with operation */
#define CMD_DIAGNOSTICS 0x46 /* execute controller diagnostics and wait for results */
#define CMD_FEATURE_MODE 0x47 /* feature mode control word */
#define CMD_DASD_INQUIRE 0x48 /* inquire as to DASD SCSI device (32 possible) */
#define CMD_FEATURE_QUERY 0x49 /* query the feature control word */
#define CMD_DASD_EJECT 0x4A /* Eject removable media for DASD type */
#define CMD_DASD_LOCK 0x4B /* Lock removable media for DASD type */
#define CMD_DASD_TYPE 0x4C /* obtain DASD device type */
#define CMD_NUM_DEV 0x4D /* obtain the number of devices connected to the controller */
#define CMD_GET_PARMS 0x4E /* obtain device parameters */
#define CMD_SPECIFY 0x4F /* specify operating system for scatter/gather operations */
#define CMD_RAID_GET_DEV 0x50 /* read RAID device geometry */
#define CMD_RAID_READ 0x51 /* read RAID 1 parameter block */
#define CMD_RAID_WRITE 0x52 /* write RAID 1 parameter block */
#define CMD_RAID_LITEUP 0x53 /* Light up the drive light for identification */
#define CMD_RAID_REBUILD 0x54 /* issue a RAID 1 pair rebuild */
#define CMD_RAID_MUTE 0x55 /* mute RAID failure alarm */
#define CMD_RAID_FAIL 0x56 /* induce a RAID failure */
#define CMD_RAID_STATUS 0x57 /* get status of RAID pair */
#define CMD_RAID_STOP 0x58 /* stop any reconstruct in progress */
#define CMD_RAID_START 0x59 /* start reconstruct */
#define CMD_RAID0_READ 0x5A /* read RAID 0 parameter block */
#define CMD_RAID0_WRITE 0x5B /* write RAID 0 parameter block */
#define CMD_RAID5_READ 0x5C /* read RAID 5 parameter block */
#define CMD_RAID5_WRITE 0x5D /* write RAID 5 parameter block */
#define CMD_ERASE_TABLES 0x5F /* erase partition table and RAID signatutures */
#define CMD_SCSI_GET 0x60 /* get SCSI pass through devices */
#define CMD_SCSI_TIMEOUT 0x61 /* set SCSI pass through timeout */
#define CMD_SCSI_ERROR 0x62 /* get SCSI pass through request sense length and residual data count */
#define CMD_GET_SPARMS 0x63 /* get SCSI bus and user parms */
#define CMD_SCSI_ABORT 0x64 /* abort by setting time-out to zero */
#define CMD_CHIRP_CHIRP 0x77 /* make a chirp chirp sound */
#define CMD_GET_LAST_DONE 0x78 /* get tag of last done in progress */
#define CMD_GET_FEATURES 0x79 /* get feature code and ESN */
#define CMD_CLEAR_CACHE 0x7A /* Clear cache on specified device */
#define CMD_BIOS_TEST 0x7B /* Test whether or not to load BIOS */
#define CMD_WAIT_FLUSH 0x7C /* wait for cache flushed and invalidate read cache */
#define CMD_RESET_BUS 0x7D /* reset the SCSI bus */
#define CMD_STARTUP_QRY 0x7E /* startup in progress query */
#define CMD_RESET 0x7F /* reset the controller */
#define CMD_RESTART_RESET 0x80 /* reload and restart the controller at any reset issued */
#define CMD_SOFT_RESET 0x81 /* do a soft reset NOW! */
/************************************************/
/* */
/* Host return errors */
/* */
/************************************************/
#define ERR08_TAGGED 0x80 /* doorbell error ored with tag */
#define ERR16_NONE 0x0000 /* no errors */
#define ERR16_SC_COND_MET 0x0004 /* SCSI status - Condition Met */
#define ERR16_CMD 0x0101 /* command error */
#define ERR16_SC_CHECK_COND 0x0002 /* SCSI status - Check Condition */
#define ERR16_CMD_NOT 0x0201 /* command not supported */
#define ERR16_NO_DEVICE 0x0301 /* invalid device selection */
#define ERR16_SECTOR 0x0202 /* bad sector */
#define ERR16_PROTECT 0x0303 /* write protected */
#define ERR16_NOSECTOR 0x0404 /* sector not found */
#define ERR16_MEDIA 0x0C0C /* invalid media */
#define ERR16_CONTROL 0x2020 /* controller error */
#define ERR16_CONTROL_DMA 0x2120 /* controller DMA engine error */
#define ERR16_NO_ALARM 0x2220 /* alarm is not active */
#define ERR16_OP_BUSY 0x2320 /* operation busy */
#define ERR16_SEEK 0x4040 /* seek failure */
#define ERR16_DEVICE_FAIL 0x4140 /* device has failed */
#define ERR16_TIMEOUT 0x8080 /* timeout error */
#define ERR16_DEV_NOT_READY 0xAAAA /* drive not ready */
#define ERR16_UNDEFINED 0xBBBB /* undefined error */
#define ERR16_WRITE_FAULT 0xCCCC /* write fault */
#define ERR16_INVALID_DEV 0x4001 /* invalid device access */
#define ERR16_DEVICE_BUSY 0x4002 /* device is busy */
#define ERR16_MEMORY 0x4003 /* device pass thru requires too much memory */
#define ERR16_NO_FEATURE 0x40FA /* feature no implemented */
#define ERR16_NOTAG 0x40FD /* no tag space available */
#define ERR16_NOT_READY 0x40FE /* controller not ready error */
#define ERR16_SETUP_FLASH 0x5050 /* error when writing setup to flash memory */
#define ERR16_SETUP_SIZE 0x5051 /* setup block size error */
#define ERR16_SENSE 0xFFFF /* sense opereration failed */
#define ERR16_SC_BUSY 0x0008 /* SCSI status - Busy */
#define ERR16_SC_RES_CONFL 0x0018 /* SCSI status - Reservation Conflict */
#define ERR16_SC_CMD_TERM 0x0022 /* SCSI status - Command Terminated */
#define ERR16_SC_OTHER 0x00FF /* SCSI status - not recognized (any value masked) */
#define ERR16_MEDIA_CHANGED 0x8001 /* devices media has been changed */
#define ERR32_NONE 0x00000000 /* no errors */
#define ERR32_SC_COND_MET 0x00000004 /* SCSI status - Condition Met */
#define ERR32_CMD 0x00010101 /* command error */
#define ERR32_SC_CHECK_COND 0x00020002 /* SCSI status - Check Condition */
#define ERR32_CMD_NOT 0x00030201 /* command not supported */
#define ERR32_NO_DEVICE 0x00040301 /* invalid device selection */
#define ERR32_SECTOR 0x00050202 /* bad sector */
#define ERR32_PROTECT 0x00060303 /* write protected */
#define ERR32_NOSECTOR 0x00070404 /* sector not found */
#define ERR32_MEDIA 0x00080C0C /* invalid media */
#define ERR32_CONTROL 0x00092020 /* controller error */
#define ERR32_CONTROL_DMA 0x000A2120 /* Controller DMA error */
#define ERR32_NO_ALARM 0x000B2220 /* alarm is not active */
#define ERR32_OP_BUSY 0x000C2320 /* operation busy */
#define ERR32_SEEK 0x000D4040 /* seek failure */
#define ERR32_DEVICE_FAIL 0x000E4140 /* device has failed */
#define ERR32_TIMEOUT 0x000F8080 /* timeout error */
#define ERR32_DEV_NOT_READY 0x0010AAAA /* drive not ready */
#define ERR32_UNDEFINED 0x0011BBBB /* undefined error */
#define ERR32_WRITE_FAULT 0x0012CCCC /* write fault */
#define ERR32_INVALID_DEV 0x00134001 /* invalid device access */
#define ERR32_DEVICE_BUSY 0x00144002 /* device is busy */
#define ERR32_MEMORY 0x00154003 /* device pass thru requires too much memory */
#define ERR32_NO_FEATURE 0x001640FA /* feature no implemented */
#define ERR32_NOTAG 0x001740FD /* no tag space available */
#define ERR32_NOT_READY 0x001840FE /* controller not ready error */
#define ERR32_SETUP_FLASH 0x00195050 /* error when writing setup to flash memory */
#define ERR32_SETUP_SIZE 0x001A5051 /* setup block size error */
#define ERR32_SENSE 0x001BFFFF /* sense opereration failed */
#define ERR32_SC_BUSY 0x001C0008 /* SCSI status - Busy */
#define ERR32_SC_RES_CONFL 0x001D0018 /* SCSI status - Reservation Conflict */
#define ERR32_SC_CMD_TERM 0x001E0022 /* SCSI status - Command Terminated */
#define ERR32_SC_OTHER 0x001F00FF /* SCSI status - not recognized (any value masked) */
#define ERR32_MEDIA_CHANGED 0x00208001 /* devices media has been changed */
/************************************************/
/* */
/* Host Operating System specification codes */
/* */
/************************************************/
#define SPEC_INTERRUPT 0x80 /* specification requires host interrupt */
#define SPEC_BACKWARD_SG 0x40 /* specification requires scatter/gather items reversed */
#define SPEC_DOS_BLOCK 0x01 /* DOS DASD blocking on pass through */
#define SPEC_OS2_V3 0x02 /* OS/2 Warp */
#define SPCE_SCO_3242 0x04 /* SCO 3.4.2.2 */
#define SPEC_QNX_4X 0x05 /* QNX 4.XX */
#define SPEC_NOVELL_NWPA 0x08 /* Novell NWPA scatter/gather support */
/************************************************/
/* */
/* Inquire structures */
/* */
/************************************************/
typedef struct _CNT_SCSI_INQ
{
UCHAR devt; /* 00: device type */
UCHAR devtm; /* 01: device type modifier */
UCHAR svers; /* 02: SCSI version */
UCHAR rfmt; /* 03: response data format */
UCHAR adlen; /* 04: additional length of data */
UCHAR res1; /* 05: */
UCHAR res2; /* 06: */
UCHAR fncs; /* 07: functional capabilities */
UCHAR vid[8]; /* 08: vendor ID */
UCHAR pid[16]; /* 10: product ID */
UCHAR rev[4]; /* 20: product revision */
} CNT_SCSI_INQ;
typedef struct _CNT_IDE_INQ
{
USHORT GeneralConfiguration; /* 00 */
USHORT NumberOfCylinders; /* 02 */
USHORT Reserved1; /* 04 */
USHORT NumberOfHeads; /* 06 */
USHORT UnformattedBytesPerTrack; /* 08 */
USHORT UnformattedBytesPerSector; /* 0A */
USHORT SectorsPerTrack; /* 0C */
USHORT VendorUnique1[3]; /* 0E */
USHORT SerialNumber[10]; /* 14 */
USHORT BufferType; /* 28 */
USHORT BufferSectorSize; /* 2A */
USHORT NumberOfEccBytes; /* 2C */
USHORT FirmwareRevision[4]; /* 2E */
USHORT ModelNumber[20]; /* 36 */
UCHAR MaximumBlockTransfer; /* 5E */
UCHAR VendorUnique2; /* 5F */
USHORT DoubleWordIo; /* 60 */
USHORT Capabilities; /* 62 */
USHORT Reserved2; /* 64 */
UCHAR VendorUnique3; /* 66 */
UCHAR PioCycleTimingMode; /* 67 */
UCHAR VendorUnique4; /* 68 */
UCHAR DmaCycleTimingMode; /* 69 */
USHORT TranslationFieldsValid; /* 6A */
USHORT NumberOfCurrentCylinders; /* 6C */
USHORT NumberOfCurrentHeads; /* 6E */
USHORT CurrentSectorsPerTrack; /* 70 */
ULONG CurrentSectorCapacity; /* 72 */
} CNT_IDE_INQ;
typedef struct _DASD_INQUIRE
{
ULONG type; /* 0 = SCSI, 1 = IDE */
union
{
CNT_SCSI_INQ scsi; /* SCSI inquire data */
CNT_IDE_INQ ide; /* IDE inquire data */
} inq;
} DASD_INQUIRE;
/************************************************/
/* */
/* Device Codes */
/* */
/************************************************/
#define DEVC_DASD 0x00 /* Direct-access Storage Device */
#define DEVC_SEQACESS 0x01 /* Sequential-access device */
#define DEVC_PRINTER 0x02 /* Printer device */
#define DEVC_PROCESSOR 0x03 /* Processor device */
#define DEVC_WRITEONCE 0x04 /* Write-once device */
#define DEVC_CDROM 0x05 /* CD-ROM device */
#define DEVC_SCANNER 0x06 /* Scanner device */
#define DEVC_OPTICAL 0x07 /* Optical memory device */
#define DEVC_MEDCHGR 0x08 /* Medium changer device */
#define DEVC_DASD_REMOVABLE 0x80 /* Direct-access storage device, Removable */
#define DEVC_NONE 0xFF /* no device */
// SCSI controls for RAID
#define SC_MY_RAID 0xBF // our special CDB command byte for Win95... interface
#define MY_SCSI_QUERY0 0x31 // byte 1 subcommand to query driver for RAID 0 informatation
#define MY_SCSI_QUERY1 0x32 // byte 1 subcommand to query driver for RAID 1 informatation
#define MY_SCSI_QUERY5 0x33 // byte 1 subcommand to query driver for RAID 5 informatation
#define MY_SCSI_REBUILD 0x40 // byte 1 subcommand to reconstruct a mirrored pair
#define MY_SCSI_DEMOFAIL 0x54 // byte 1 subcommand for RAID failure demonstration
#define MY_SCSI_ALARMMUTE 0x60 // byte 1 subcommand to mute any alarm currently on
#endif
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