diff options
Diffstat (limited to 'drivers/scsi/pci2220i.c')
| -rw-r--r-- | drivers/scsi/pci2220i.c | 2915 |
1 files changed, 0 insertions, 2915 deletions
diff --git a/drivers/scsi/pci2220i.c b/drivers/scsi/pci2220i.c deleted file mode 100644 index e395e42..0000000 --- a/drivers/scsi/pci2220i.c +++ /dev/null @@ -1,2915 +0,0 @@ -/**************************************************************************** - * 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" |
