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path: root/drivers/scsi/pci2000.c
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-rw-r--r--drivers/scsi/pci2000.c836
1 files changed, 0 insertions, 836 deletions
diff --git a/drivers/scsi/pci2000.c b/drivers/scsi/pci2000.c
deleted file mode 100644
index 377a4666b56..00000000000
--- a/drivers/scsi/pci2000.c
+++ /dev/null
@@ -1,836 +0,0 @@
-/****************************************************************************
- * 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"
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-02 05:16:16 +0000