diff options
Diffstat (limited to 'drivers/scsi/pci2000.c')
| -rw-r--r-- | drivers/scsi/pci2000.c | 836 |
1 files changed, 0 insertions, 836 deletions
diff --git a/drivers/scsi/pci2000.c b/drivers/scsi/pci2000.c deleted file mode 100644 index 377a466..0000000 --- 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" |