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phoenix |
/****************************************************************************
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* Perceptive Solutions, Inc. PCI-2220I device driver for Linux.
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*
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* pci2220i.c - Linux Host Driver for PCI-2220I EIDE RAID Adapters
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*
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* Copyright (c) 1997-1999 Perceptive Solutions, Inc.
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* All Rights Reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that redistributions of source
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* code retain the above copyright notice and this comment without
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* modification.
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*
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* Technical updates and product information at:
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* http://www.psidisk.com
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*
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* Please send questions, comments, bug reports to:
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* tech@psidisk.com Technical Support
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*
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*
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* Revisions 1.10 Mar-26-1999
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* - Updated driver for RAID and hot reconstruct support.
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*
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* Revisions 1.11 Mar-26-1999
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* - Fixed spinlock and PCI configuration.
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*
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* Revision 2.00 December-1-1999
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* - Added code for the PCI-2240I controller
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* - Added code for ATAPI devices.
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* - Double buffer for scatter/gather support
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*
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* Revision 2.10 March-27-2000
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* - Added support for dynamic DMA
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*
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****************************************************************************/
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//#define DEBUG 1
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#include <linux/module.h>
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#include <linux/kernel.h>
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#include <linux/types.h>
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#include <linux/string.h>
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#include <linux/slab.h>
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#include <linux/pci.h>
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#include <linux/ioport.h>
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#include <linux/delay.h>
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#include <linux/sched.h>
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#include <linux/proc_fs.h>
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#include <linux/stat.h>
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#include <linux/kdev_t.h>
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#include <linux/blk.h>
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#include <linux/timer.h>
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#include <linux/spinlock.h>
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#include <asm/dma.h>
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#include <asm/system.h>
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#include <asm/io.h>
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#include "scsi.h"
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#include "hosts.h"
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#include "pci2220i.h"
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#include "psi_dale.h"
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#define PCI2220I_VERSION "2.10"
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#define READ_CMD IDE_CMD_READ_MULTIPLE
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#define WRITE_CMD IDE_CMD_WRITE_MULTIPLE
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#define MAX_BUS_MASTER_BLOCKS SECTORSXFER // This is the maximum we can bus master
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#ifdef DEBUG
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#define DEB(x) x
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#define STOP_HERE() {int st;for(st=0;st<100;st++){st=1;}}
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#else
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#define DEB(x)
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#define STOP_HERE()
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#endif
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#define MAXADAPTER 4 // Increase this and the sizes of the arrays below, if you need more.
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typedef struct
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{
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UCHAR byte6; // device select register image
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UCHAR spigot; // spigot number
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UCHAR spigots[2]; // RAID spigots
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UCHAR deviceID[2]; // device ID codes
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USHORT sectors; // number of sectors per track
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USHORT heads; // number of heads
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USHORT cylinders; // number of cylinders for this device
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USHORT spareword; // placeholder
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ULONG blocks; // number of blocks on device
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DISK_MIRROR DiskMirror[2]; // RAID status and control
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ULONG lastsectorlba[2]; // last addressable sector on the drive
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USHORT raid; // RAID active flag
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USHORT mirrorRecon;
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UCHAR reconOn;
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USHORT reconCount;
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USHORT reconIsStarting; // indicate hot reconstruct is starting
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UCHAR cmdDrqInt; // flag for command interrupt
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UCHAR packet; // command packet size in bytes
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} OUR_DEVICE, *POUR_DEVICE;
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typedef struct
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{
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USHORT bigD; // identity is a PCI-2240I if true, otherwise a PCI-2220I
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USHORT atapi; // this interface is for ATAPI devices only
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ULONG regDmaDesc; // address of the DMA discriptor register for direction of transfer
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ULONG regDmaCmdStat; // Byte #1 of DMA command status register
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ULONG regDmaAddrPci; // 32 bit register for PCI address of DMA
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ULONG regDmaAddrLoc; // 32 bit register for local bus address of DMA
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ULONG regDmaCount; // 32 bit register for DMA transfer count
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ULONG regDmaMode; // 32 bit register for DMA mode control
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ULONG regRemap; // 32 bit local space remap
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ULONG regDesc; // 32 bit local region descriptor
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ULONG regRange; // 32 bit local range
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ULONG regIrqControl; // 16 bit Interrupt enable/disable and status
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ULONG regScratchPad; // scratch pad I/O base address
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ULONG regBase; // Base I/O register for data space
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ULONG regData; // data register I/O address
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ULONG regError; // error register I/O address
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ULONG regSectCount; // sector count register I/O address
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ULONG regLba0; // least significant byte of LBA
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ULONG regLba8; // next least significant byte of LBA
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ULONG regLba16; // next most significan byte of LBA
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ULONG regLba24; // head and most 4 significant bits of LBA
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ULONG regStatCmd; // status on read and command on write register
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ULONG regStatSel; // board status on read and spigot select on write register
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ULONG regFail; // fail bits control register
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ULONG regAltStat; // alternate status and drive control register
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ULONG basePort; // PLX base I/O port
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USHORT timingMode; // timing mode currently set for adapter
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USHORT timingPIO; // TRUE if PIO timing is active
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struct pci_dev *pcidev;
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ULONG timingAddress; // address to use on adapter for current timing mode
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ULONG irqOwned; // owned IRQ or zero if shared
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UCHAR numberOfDrives; // saved number of drives on this controller
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UCHAR failRegister; // current inverted data in fail register
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OUR_DEVICE device[BIGD_MAXDRIVES];
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DISK_MIRROR *raidData[BIGD_MAXDRIVES];
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ULONG startSector;
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USHORT sectorCount;
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ULONG readCount;
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UCHAR *currentSgBuffer;
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ULONG currentSgCount;
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USHORT nextSg;
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UCHAR cmd;
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Scsi_Cmnd *SCpnt;
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POUR_DEVICE pdev; // current device opearating on
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USHORT devInReconIndex;
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USHORT expectingIRQ;
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USHORT reconOn; // Hot reconstruct is to be done.
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USHORT reconPhase; // Hot reconstruct operation is in progress.
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ULONG reconSize;
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USHORT demoFail; // flag for RAID failure demonstration
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USHORT survivor;
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USHORT failinprog;
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struct timer_list reconTimer;
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struct timer_list timer;
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UCHAR *kBuffer;
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dma_addr_t kBufferDma;
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UCHAR reqSense;
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UCHAR atapiCdb[16];
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UCHAR atapiSpecial;
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} ADAPTER2220I, *PADAPTER2220I;
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#define HOSTDATA(host) ((PADAPTER2220I)&host->hostdata)
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#define RECON_PHASE_READY 0x01
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#define RECON_PHASE_COPY 0x02
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#define RECON_PHASE_UPDATE 0x03
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#define RECON_PHASE_LAST 0x04
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#define RECON_PHASE_END 0x07
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#define RECON_PHASE_MARKING 0x80
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#define RECON_PHASE_FAILOVER 0xFF
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static struct Scsi_Host *PsiHost[MAXADAPTER] = {NULL,}; // One for each adapter
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static int NumAdapters = 0;
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static int Installed = 0;
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static SETUP DaleSetup;
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static DISK_MIRROR DiskMirror[BIGD_MAXDRIVES];
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static ULONG ModeArray[] = {DALE_DATA_MODE2, DALE_DATA_MODE3, DALE_DATA_MODE4, DALE_DATA_MODE5};
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static ULONG ModeArray2[] = {BIGD_DATA_MODE2, BIGD_DATA_MODE3, BIGD_DATA_MODE4, BIGD_DATA_MODE5};
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static void ReconTimerExpiry (unsigned long data);
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/*******************************************************************************************************
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* Name: Alarm
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*
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* Description: Sound the for the given device
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*
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* Parameters: padapter - Pointer adapter data structure.
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* device - Device number.
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*
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* Returns: Nothing.
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*
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******************************************************************************************************/
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static void Alarm (PADAPTER2220I padapter, UCHAR device)
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{
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UCHAR zc;
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if ( padapter->bigD )
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{
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zc = device | (FAIL_ANY | FAIL_AUDIBLE);
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if ( padapter->failRegister & FAIL_ANY )
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zc |= FAIL_MULTIPLE;
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padapter->failRegister = zc;
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outb_p (~zc, padapter->regFail);
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}
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else
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outb_p (0x3C | (1 << device), padapter->regFail); // sound alarm and set fail light
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}
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/****************************************************************
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* Name: MuteAlarm :LOCAL
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*
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* Description: Mute the audible alarm.
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*
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* Parameters: padapter - Pointer adapter data structure.
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*
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* Returns: TRUE if drive does not assert DRQ in time.
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*
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****************************************************************/
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static void MuteAlarm (PADAPTER2220I padapter)
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{
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UCHAR old;
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if ( padapter->bigD )
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{
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padapter->failRegister &= ~FAIL_AUDIBLE;
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outb_p (~padapter->failRegister, padapter->regFail);
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}
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else
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{
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old = (inb_p (padapter->regStatSel) >> 3) | (inb_p (padapter->regStatSel) & 0x83);
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outb_p (old | 0x40, padapter->regFail);
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}
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}
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/****************************************************************
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* Name: WaitReady :LOCAL
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*
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* Description: Wait for device ready.
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*
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* Parameters: padapter - Pointer adapter data structure.
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*
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* Returns: TRUE if drive does not assert DRQ in time.
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*
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****************************************************************/
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static int WaitReady (PADAPTER2220I padapter)
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{
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ULONG z;
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UCHAR status;
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for ( z = 0; z < (TIMEOUT_READY * 4); z++ )
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{
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status = inb_p (padapter->regStatCmd);
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if ( (status & (IDE_STATUS_DRDY | IDE_STATUS_BUSY)) == IDE_STATUS_DRDY )
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return 0;
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udelay (250);
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}
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return status;
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}
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/****************************************************************
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* Name: WaitReadyReset :LOCAL
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*
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* Description: Wait for device ready.
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*
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* Parameters: padapter - Pointer adapter data structure.
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*
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* Returns: TRUE if drive does not assert DRQ in time.
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*
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****************************************************************/
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static int WaitReadyReset (PADAPTER2220I padapter)
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{
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| 272 |
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ULONG z;
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UCHAR status;
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| 274 |
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for ( z = 0; z < (125 * 16); z++ ) // wait up to 1/4 second
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{
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status = inb_p (padapter->regStatCmd);
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if ( (status & (IDE_STATUS_DRDY | IDE_STATUS_BUSY)) == IDE_STATUS_DRDY )
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{
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| 280 |
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DEB (printk ("\nPCI2220I: Reset took %ld mSec to be ready", z / 8));
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return 0;
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}
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| 283 |
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udelay (125);
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}
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| 285 |
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DEB (printk ("\nPCI2220I: Reset took more than 2 Seconds to come ready, Disk Failure"));
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| 286 |
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return status;
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}
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/****************************************************************
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| 289 |
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* Name: WaitDrq :LOCAL
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| 290 |
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*
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* Description: Wait for device ready for data transfer.
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| 292 |
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*
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| 293 |
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* Parameters: padapter - Pointer adapter data structure.
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| 294 |
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*
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| 295 |
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* Returns: TRUE if drive does not assert DRQ in time.
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*
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| 297 |
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****************************************************************/
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| 298 |
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static int WaitDrq (PADAPTER2220I padapter)
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| 299 |
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{
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| 300 |
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ULONG z;
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| 301 |
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UCHAR status;
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| 302 |
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| 303 |
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for ( z = 0; z < (TIMEOUT_DRQ * 4); z++ )
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{
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status = inb_p (padapter->regStatCmd);
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if ( status & IDE_STATUS_DRQ )
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return 0;
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udelay (250);
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}
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| 310 |
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return status;
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}
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| 312 |
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/****************************************************************
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| 313 |
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* Name: AtapiWaitReady :LOCAL
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| 314 |
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*
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| 315 |
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* Description: Wait for device busy and DRQ to be cleared.
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| 316 |
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*
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| 317 |
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* Parameters: padapter - Pointer adapter data structure.
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| 318 |
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* msec - Number of milliseconds to wait.
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| 319 |
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*
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| 320 |
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* Returns: TRUE if drive does not clear busy in time.
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| 321 |
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*
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| 322 |
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****************************************************************/
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| 323 |
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static int AtapiWaitReady (PADAPTER2220I padapter, int msec)
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| 324 |
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{
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| 325 |
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int z;
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| 326 |
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|
| 327 |
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for ( z = 0; z < (msec * 16); z++ )
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| 328 |
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{
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| 329 |
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if ( !(inb_p (padapter->regStatCmd) & (IDE_STATUS_BUSY | IDE_STATUS_DRQ)) )
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| 330 |
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return FALSE;
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| 331 |
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udelay (125);
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| 332 |
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}
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| 333 |
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return TRUE;
|
| 334 |
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}
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| 335 |
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/****************************************************************
|
| 336 |
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* Name: AtapiWaitDrq :LOCAL
|
| 337 |
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*
|
| 338 |
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* Description: Wait for device ready for data transfer.
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| 339 |
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*
|
| 340 |
|
|
* Parameters: padapter - Pointer adapter data structure.
|
| 341 |
|
|
* msec - Number of milliseconds to wait.
|
| 342 |
|
|
*
|
| 343 |
|
|
* Returns: TRUE if drive does not assert DRQ in time.
|
| 344 |
|
|
*
|
| 345 |
|
|
****************************************************************/
|
| 346 |
|
|
static int AtapiWaitDrq (PADAPTER2220I padapter, int msec)
|
| 347 |
|
|
{
|
| 348 |
|
|
ULONG z;
|
| 349 |
|
|
|
| 350 |
|
|
for ( z = 0; z < (msec * 16); z++ )
|
| 351 |
|
|
{
|
| 352 |
|
|
if ( inb_p (padapter->regStatCmd) & IDE_STATUS_DRQ )
|
| 353 |
|
|
return 0;
|
| 354 |
|
|
udelay (128);
|
| 355 |
|
|
}
|
| 356 |
|
|
return TRUE;
|
| 357 |
|
|
}
|
| 358 |
|
|
/****************************************************************
|
| 359 |
|
|
* Name: HardReset :LOCAL
|
| 360 |
|
|
*
|
| 361 |
|
|
* Description: Wait for device ready for data transfer.
|
| 362 |
|
|
*
|
| 363 |
|
|
* Parameters: padapter - Pointer adapter data structure.
|
| 364 |
|
|
* pdev - Pointer to device.
|
| 365 |
|
|
* spigot - Spigot number.
|
| 366 |
|
|
*
|
| 367 |
|
|
* Returns: TRUE if drive does not assert DRQ in time.
|
| 368 |
|
|
*
|
| 369 |
|
|
****************************************************************/
|
| 370 |
|
|
static int HardReset (PADAPTER2220I padapter, POUR_DEVICE pdev, UCHAR spigot)
|
| 371 |
|
|
{
|
| 372 |
|
|
DEB (printk ("\npci2220i:RESET spigot = %X devices = %d, %d", spigot, pdev->deviceID[0], pdev->deviceID[1]));
|
| 373 |
|
|
mdelay (100); // just wait 100 mSec to let drives flush
|
| 374 |
|
|
SelectSpigot (padapter, spigot | SEL_IRQ_OFF);
|
| 375 |
|
|
|
| 376 |
|
|
outb_p (0x0E, padapter->regAltStat); // reset the suvivor
|
| 377 |
|
|
udelay (100); // wait a little
|
| 378 |
|
|
outb_p (0x08, padapter->regAltStat); // clear the reset
|
| 379 |
|
|
udelay (100);
|
| 380 |
|
|
|
| 381 |
|
|
outb_p (0xA0, padapter->regLba24); // select the master drive
|
| 382 |
|
|
if ( WaitReadyReset (padapter) )
|
| 383 |
|
|
{
|
| 384 |
|
|
DEB (printk ("\npci2220i: master not ready after reset"));
|
| 385 |
|
|
return TRUE;
|
| 386 |
|
|
}
|
| 387 |
|
|
outb_p (0xB0, padapter->regLba24); // try the slave drive
|
| 388 |
|
|
if ( (inb_p (padapter->regStatCmd) & (IDE_STATUS_DRDY | IDE_STATUS_BUSY)) == IDE_STATUS_DRDY )
|
| 389 |
|
|
{
|
| 390 |
|
|
DEB (printk ("\nPCI2220I: initializing slave drive on spigot %X", spigot));
|
| 391 |
|
|
outb_p (SECTORSXFER, padapter->regSectCount);
|
| 392 |
|
|
WriteCommand (padapter, IDE_CMD_SET_MULTIPLE);
|
| 393 |
|
|
if ( WaitReady (padapter) )
|
| 394 |
|
|
{
|
| 395 |
|
|
DEB (printk ("\npci2220i: slave not ready after set multiple"));
|
| 396 |
|
|
return TRUE;
|
| 397 |
|
|
}
|
| 398 |
|
|
}
|
| 399 |
|
|
|
| 400 |
|
|
outb_p (0xA0, padapter->regLba24); // select the drive
|
| 401 |
|
|
outb_p (SECTORSXFER, padapter->regSectCount);
|
| 402 |
|
|
WriteCommand (padapter, IDE_CMD_SET_MULTIPLE);
|
| 403 |
|
|
if ( WaitReady (padapter) )
|
| 404 |
|
|
{
|
| 405 |
|
|
DEB (printk ("\npci2220i: master not ready after set multiple"));
|
| 406 |
|
|
return TRUE;
|
| 407 |
|
|
}
|
| 408 |
|
|
return FALSE;
|
| 409 |
|
|
}
|
| 410 |
|
|
/****************************************************************
|
| 411 |
|
|
* Name: AtapiReset :LOCAL
|
| 412 |
|
|
*
|
| 413 |
|
|
* Description: Wait for device ready for data transfer.
|
| 414 |
|
|
*
|
| 415 |
|
|
* Parameters: padapter - Pointer adapter data structure.
|
| 416 |
|
|
* pdev - Pointer to device.
|
| 417 |
|
|
*
|
| 418 |
|
|
* Returns: TRUE if drive does not come ready.
|
| 419 |
|
|
*
|
| 420 |
|
|
****************************************************************/
|
| 421 |
|
|
static int AtapiReset (PADAPTER2220I padapter, POUR_DEVICE pdev)
|
| 422 |
|
|
{
|
| 423 |
|
|
SelectSpigot (padapter, pdev->spigot);
|
| 424 |
|
|
AtapiDevice (padapter, pdev->byte6);
|
| 425 |
|
|
AtapiCountLo (padapter, 0);
|
| 426 |
|
|
AtapiCountHi (padapter, 0);
|
| 427 |
|
|
WriteCommand (padapter, IDE_COMMAND_ATAPI_RESET);
|
| 428 |
|
|
udelay (125);
|
| 429 |
|
|
if ( AtapiWaitReady (padapter, 1000) )
|
| 430 |
|
|
return TRUE;
|
| 431 |
|
|
if ( inb_p (padapter->regStatCmd) || (inb_p (padapter->regLba8) != 0x14) || (inb_p (padapter->regLba16) != 0xEB) )
|
| 432 |
|
|
return TRUE;
|
| 433 |
|
|
return FALSE;
|
| 434 |
|
|
}
|
| 435 |
|
|
/****************************************************************
|
| 436 |
|
|
* Name: WalkScatGath :LOCAL
|
| 437 |
|
|
*
|
| 438 |
|
|
* Description: Transfer data to/from scatter/gather buffers.
|
| 439 |
|
|
*
|
| 440 |
|
|
* Parameters: padapter - Pointer adapter data structure.
|
| 441 |
|
|
* datain - TRUE if data read.
|
| 442 |
|
|
* length - Number of bytes to transfer.
|
| 443 |
|
|
*
|
| 444 |
|
|
* Returns: Nothing.
|
| 445 |
|
|
*
|
| 446 |
|
|
****************************************************************/
|
| 447 |
|
|
static void WalkScatGath (PADAPTER2220I padapter, UCHAR datain, ULONG length)
|
| 448 |
|
|
{
|
| 449 |
|
|
ULONG count;
|
| 450 |
|
|
UCHAR *buffer = padapter->kBuffer;
|
| 451 |
|
|
|
| 452 |
|
|
while ( length )
|
| 453 |
|
|
{
|
| 454 |
|
|
count = ( length > padapter->currentSgCount ) ? padapter->currentSgCount : length;
|
| 455 |
|
|
|
| 456 |
|
|
if ( datain )
|
| 457 |
|
|
memcpy (padapter->currentSgBuffer, buffer, count);
|
| 458 |
|
|
else
|
| 459 |
|
|
memcpy (buffer, padapter->currentSgBuffer, count);
|
| 460 |
|
|
|
| 461 |
|
|
padapter->currentSgCount -= count;
|
| 462 |
|
|
if ( !padapter->currentSgCount )
|
| 463 |
|
|
{
|
| 464 |
|
|
if ( padapter->nextSg < padapter->SCpnt->use_sg )
|
| 465 |
|
|
{
|
| 466 |
|
|
padapter->currentSgBuffer = ((struct scatterlist *)padapter->SCpnt->request_buffer)[padapter->nextSg].address;
|
| 467 |
|
|
padapter->currentSgCount = ((struct scatterlist *)padapter->SCpnt->request_buffer)[padapter->nextSg].length;
|
| 468 |
|
|
padapter->nextSg++;
|
| 469 |
|
|
}
|
| 470 |
|
|
}
|
| 471 |
|
|
else
|
| 472 |
|
|
padapter->currentSgBuffer += count;
|
| 473 |
|
|
|
| 474 |
|
|
length -= count;
|
| 475 |
|
|
buffer += count;
|
| 476 |
|
|
}
|
| 477 |
|
|
}
|
| 478 |
|
|
/****************************************************************
|
| 479 |
|
|
* Name: BusMaster :LOCAL
|
| 480 |
|
|
*
|
| 481 |
|
|
* Description: Do a bus master I/O.
|
| 482 |
|
|
*
|
| 483 |
|
|
* Parameters: padapter - Pointer adapter data structure.
|
| 484 |
|
|
* datain - TRUE if data read.
|
| 485 |
|
|
* irq - TRUE if bus master interrupt expected.
|
| 486 |
|
|
*
|
| 487 |
|
|
* Returns: Nothing.
|
| 488 |
|
|
*
|
| 489 |
|
|
****************************************************************/
|
| 490 |
|
|
static void BusMaster (PADAPTER2220I padapter, UCHAR datain, UCHAR irq)
|
| 491 |
|
|
{
|
| 492 |
|
|
ULONG zl;
|
| 493 |
|
|
|
| 494 |
|
|
zl = ( padapter->sectorCount > MAX_BUS_MASTER_BLOCKS ) ? MAX_BUS_MASTER_BLOCKS : padapter->sectorCount;
|
| 495 |
|
|
padapter->sectorCount -= zl;
|
| 496 |
|
|
zl *= (ULONG)BYTES_PER_SECTOR;
|
| 497 |
|
|
|
| 498 |
|
|
if ( datain )
|
| 499 |
|
|
{
|
| 500 |
|
|
padapter->readCount = zl;
|
| 501 |
|
|
outb_p (8, padapter->regDmaDesc); // read operation
|
| 502 |
|
|
if ( padapter->bigD )
|
| 503 |
|
|
{
|
| 504 |
|
|
if ( irq && !padapter->sectorCount )
|
| 505 |
|
|
outb_p (0x0C, padapter->regDmaMode); // interrupt on
|
| 506 |
|
|
else
|
| 507 |
|
|
outb_p (0x08, padapter->regDmaMode); // no interrupt
|
| 508 |
|
|
}
|
| 509 |
|
|
else
|
| 510 |
|
|
{
|
| 511 |
|
|
if ( irq && !padapter->sectorCount )
|
| 512 |
|
|
outb_p (0x05, padapter->regDmaMode); // interrupt on
|
| 513 |
|
|
else
|
| 514 |
|
|
outb_p (0x01, padapter->regDmaMode); // no interrupt
|
| 515 |
|
|
}
|
| 516 |
|
|
}
|
| 517 |
|
|
else
|
| 518 |
|
|
{
|
| 519 |
|
|
outb_p (0x00, padapter->regDmaDesc); // write operation
|
| 520 |
|
|
if ( padapter->bigD )
|
| 521 |
|
|
outb_p (0x08, padapter->regDmaMode); // no interrupt
|
| 522 |
|
|
else
|
| 523 |
|
|
outb_p (0x01, padapter->regDmaMode); // no interrupt
|
| 524 |
|
|
WalkScatGath (padapter, FALSE, zl);
|
| 525 |
|
|
}
|
| 526 |
|
|
|
| 527 |
|
|
outl (padapter->timingAddress, padapter->regDmaAddrLoc);
|
| 528 |
|
|
outl (padapter->kBufferDma, padapter->regDmaAddrPci);
|
| 529 |
|
|
outl (zl, padapter->regDmaCount);
|
| 530 |
|
|
outb_p (0x03, padapter->regDmaCmdStat); // kick the DMA engine in gear
|
| 531 |
|
|
}
|
| 532 |
|
|
/****************************************************************
|
| 533 |
|
|
* Name: AtapiBusMaster :LOCAL
|
| 534 |
|
|
*
|
| 535 |
|
|
* Description: Do a bus master I/O.
|
| 536 |
|
|
*
|
| 537 |
|
|
* Parameters: padapter - Pointer adapter data structure.
|
| 538 |
|
|
* datain - TRUE if data read.
|
| 539 |
|
|
* length - Number of bytes to transfer.
|
| 540 |
|
|
*
|
| 541 |
|
|
* Returns: Nothing.
|
| 542 |
|
|
*
|
| 543 |
|
|
****************************************************************/
|
| 544 |
|
|
static void AtapiBusMaster (PADAPTER2220I padapter, UCHAR datain, ULONG length)
|
| 545 |
|
|
{
|
| 546 |
|
|
outl (padapter->timingAddress, padapter->regDmaAddrLoc);
|
| 547 |
|
|
outl (padapter->kBufferDma, padapter->regDmaAddrPci);
|
| 548 |
|
|
outl (length, padapter->regDmaCount);
|
| 549 |
|
|
if ( datain )
|
| 550 |
|
|
{
|
| 551 |
|
|
if ( padapter->readCount )
|
| 552 |
|
|
WalkScatGath (padapter, TRUE, padapter->readCount);
|
| 553 |
|
|
outb_p (0x08, padapter->regDmaDesc); // read operation
|
| 554 |
|
|
outb_p (0x08, padapter->regDmaMode); // no interrupt
|
| 555 |
|
|
padapter->readCount = length;
|
| 556 |
|
|
}
|
| 557 |
|
|
else
|
| 558 |
|
|
{
|
| 559 |
|
|
outb_p (0x00, padapter->regDmaDesc); // write operation
|
| 560 |
|
|
outb_p (0x08, padapter->regDmaMode); // no interrupt
|
| 561 |
|
|
if ( !padapter->atapiSpecial )
|
| 562 |
|
|
WalkScatGath (padapter, FALSE, length);
|
| 563 |
|
|
}
|
| 564 |
|
|
outb_p (0x03, padapter->regDmaCmdStat); // kick the DMA engine in gear
|
| 565 |
|
|
}
|
| 566 |
|
|
/****************************************************************
|
| 567 |
|
|
* Name: WriteData :LOCAL
|
| 568 |
|
|
*
|
| 569 |
|
|
* Description: Write data to device.
|
| 570 |
|
|
*
|
| 571 |
|
|
* Parameters: padapter - Pointer adapter data structure.
|
| 572 |
|
|
*
|
| 573 |
|
|
* Returns: TRUE if drive does not assert DRQ in time.
|
| 574 |
|
|
*
|
| 575 |
|
|
****************************************************************/
|
| 576 |
|
|
static int WriteData (PADAPTER2220I padapter)
|
| 577 |
|
|
{
|
| 578 |
|
|
ULONG zl;
|
| 579 |
|
|
|
| 580 |
|
|
if ( !WaitDrq (padapter) )
|
| 581 |
|
|
{
|
| 582 |
|
|
if ( padapter->timingPIO )
|
| 583 |
|
|
{
|
| 584 |
|
|
zl = (padapter->sectorCount > MAX_BUS_MASTER_BLOCKS) ? MAX_BUS_MASTER_BLOCKS : padapter->sectorCount;
|
| 585 |
|
|
WalkScatGath (padapter, FALSE, zl * BYTES_PER_SECTOR);
|
| 586 |
|
|
outsw (padapter->regData, padapter->kBuffer, zl * (BYTES_PER_SECTOR / 2));
|
| 587 |
|
|
padapter->sectorCount -= zl;
|
| 588 |
|
|
}
|
| 589 |
|
|
else
|
| 590 |
|
|
BusMaster (padapter, 0, 0);
|
| 591 |
|
|
return 0;
|
| 592 |
|
|
}
|
| 593 |
|
|
padapter->cmd = 0; // null out the command byte
|
| 594 |
|
|
return 1;
|
| 595 |
|
|
}
|
| 596 |
|
|
/****************************************************************
|
| 597 |
|
|
* Name: WriteDataBoth :LOCAL
|
| 598 |
|
|
*
|
| 599 |
|
|
* Description: Write data to device.
|
| 600 |
|
|
*
|
| 601 |
|
|
* Parameters: padapter - Pointer to adapter structure.
|
| 602 |
|
|
* pdev - Pointer to device structure
|
| 603 |
|
|
*
|
| 604 |
|
|
* Returns: Index + 1 of drive not failed or zero for OK.
|
| 605 |
|
|
*
|
| 606 |
|
|
****************************************************************/
|
| 607 |
|
|
static int WriteDataBoth (PADAPTER2220I padapter, POUR_DEVICE pdev)
|
| 608 |
|
|
{
|
| 609 |
|
|
ULONG zl;
|
| 610 |
|
|
UCHAR status0, status1;
|
| 611 |
|
|
|
| 612 |
|
|
SelectSpigot (padapter, pdev->spigots[0]);
|
| 613 |
|
|
status0 = WaitDrq (padapter);
|
| 614 |
|
|
if ( !status0 )
|
| 615 |
|
|
{
|
| 616 |
|
|
SelectSpigot (padapter, pdev->spigots[1]);
|
| 617 |
|
|
status1 = WaitDrq (padapter);
|
| 618 |
|
|
if ( !status1 )
|
| 619 |
|
|
{
|
| 620 |
|
|
SelectSpigot (padapter, pdev->spigots[0] | pdev->spigots[1] | padapter->bigD);
|
| 621 |
|
|
if ( padapter->timingPIO )
|
| 622 |
|
|
{
|
| 623 |
|
|
zl = (padapter->sectorCount > MAX_BUS_MASTER_BLOCKS) ? MAX_BUS_MASTER_BLOCKS : padapter->sectorCount;
|
| 624 |
|
|
WalkScatGath (padapter, FALSE, zl * BYTES_PER_SECTOR);
|
| 625 |
|
|
outsw (padapter->regData, padapter->kBuffer, zl * (BYTES_PER_SECTOR / 2));
|
| 626 |
|
|
padapter->sectorCount -= zl;
|
| 627 |
|
|
}
|
| 628 |
|
|
else
|
| 629 |
|
|
BusMaster (padapter, 0, 0);
|
| 630 |
|
|
return 0;
|
| 631 |
|
|
}
|
| 632 |
|
|
}
|
| 633 |
|
|
padapter->cmd = 0; // null out the command byte
|
| 634 |
|
|
if ( status0 )
|
| 635 |
|
|
return 2;
|
| 636 |
|
|
return 1;
|
| 637 |
|
|
}
|
| 638 |
|
|
/****************************************************************
|
| 639 |
|
|
* Name: IdeCmd :LOCAL
|
| 640 |
|
|
*
|
| 641 |
|
|
* Description: Process an IDE command.
|
| 642 |
|
|
*
|
| 643 |
|
|
* Parameters: padapter - Pointer adapter data structure.
|
| 644 |
|
|
* pdev - Pointer to device.
|
| 645 |
|
|
*
|
| 646 |
|
|
* Returns: Zero if no error or status register contents on error.
|
| 647 |
|
|
*
|
| 648 |
|
|
****************************************************************/
|
| 649 |
|
|
static UCHAR IdeCmd (PADAPTER2220I padapter, POUR_DEVICE pdev)
|
| 650 |
|
|
{
|
| 651 |
|
|
UCHAR status;
|
| 652 |
|
|
|
| 653 |
|
|
SelectSpigot (padapter, pdev->spigot | padapter->bigD); // select the spigot
|
| 654 |
|
|
outb_p (pdev->byte6 | ((UCHAR *)(&padapter->startSector))[3], padapter->regLba24); // select the drive
|
| 655 |
|
|
status = WaitReady (padapter);
|
| 656 |
|
|
if ( !status )
|
| 657 |
|
|
{
|
| 658 |
|
|
outb_p (padapter->sectorCount, padapter->regSectCount);
|
| 659 |
|
|
outb_p (((UCHAR *)(&padapter->startSector))[0], padapter->regLba0);
|
| 660 |
|
|
outb_p (((UCHAR *)(&padapter->startSector))[1], padapter->regLba8);
|
| 661 |
|
|
outb_p (((UCHAR *)(&padapter->startSector))[2], padapter->regLba16);
|
| 662 |
|
|
padapter->expectingIRQ = TRUE;
|
| 663 |
|
|
WriteCommand (padapter, padapter->cmd);
|
| 664 |
|
|
return 0;
|
| 665 |
|
|
}
|
| 666 |
|
|
|
| 667 |
|
|
padapter->cmd = 0; // null out the command byte
|
| 668 |
|
|
return status;
|
| 669 |
|
|
}
|
| 670 |
|
|
/****************************************************************
|
| 671 |
|
|
* Name: IdeCmdBoth :LOCAL
|
| 672 |
|
|
*
|
| 673 |
|
|
* Description: Process an IDE command to both drivers.
|
| 674 |
|
|
*
|
| 675 |
|
|
* Parameters: padapter - Pointer adapter data structure.
|
| 676 |
|
|
* pdev - Pointer to device structure
|
| 677 |
|
|
*
|
| 678 |
|
|
* Returns: Index + 1 of drive not failed or zero for OK.
|
| 679 |
|
|
*
|
| 680 |
|
|
****************************************************************/
|
| 681 |
|
|
static UCHAR IdeCmdBoth (PADAPTER2220I padapter, POUR_DEVICE pdev)
|
| 682 |
|
|
{
|
| 683 |
|
|
UCHAR status0;
|
| 684 |
|
|
UCHAR status1;
|
| 685 |
|
|
|
| 686 |
|
|
SelectSpigot (padapter, pdev->spigots[0] | pdev->spigots[1]); // select the spigots
|
| 687 |
|
|
outb_p (padapter->pdev->byte6 | ((UCHAR *)(&padapter->startSector))[3], padapter->regLba24);// select the drive
|
| 688 |
|
|
SelectSpigot (padapter, pdev->spigots[0]);
|
| 689 |
|
|
status0 = WaitReady (padapter);
|
| 690 |
|
|
if ( !status0 )
|
| 691 |
|
|
{
|
| 692 |
|
|
SelectSpigot (padapter, pdev->spigots[1]);
|
| 693 |
|
|
status1 = WaitReady (padapter);
|
| 694 |
|
|
if ( !status1 )
|
| 695 |
|
|
{
|
| 696 |
|
|
SelectSpigot (padapter, pdev->spigots[0] | pdev->spigots[1] | padapter->bigD);
|
| 697 |
|
|
outb_p (padapter->sectorCount, padapter->regSectCount);
|
| 698 |
|
|
outb_p (((UCHAR *)(&padapter->startSector))[0], padapter->regLba0);
|
| 699 |
|
|
outb_p (((UCHAR *)(&padapter->startSector))[1], padapter->regLba8);
|
| 700 |
|
|
outb_p (((UCHAR *)(&padapter->startSector))[2], padapter->regLba16);
|
| 701 |
|
|
padapter->expectingIRQ = TRUE;
|
| 702 |
|
|
WriteCommand (padapter, padapter->cmd);
|
| 703 |
|
|
return 0;
|
| 704 |
|
|
}
|
| 705 |
|
|
}
|
| 706 |
|
|
padapter->cmd = 0; // null out the command byte
|
| 707 |
|
|
if ( status0 )
|
| 708 |
|
|
return 2;
|
| 709 |
|
|
return 1;
|
| 710 |
|
|
}
|
| 711 |
|
|
/****************************************************************
|
| 712 |
|
|
* Name: OpDone :LOCAL
|
| 713 |
|
|
*
|
| 714 |
|
|
* Description: Complete an operatoin done sequence.
|
| 715 |
|
|
*
|
| 716 |
|
|
* Parameters: padapter - Pointer to host data block.
|
| 717 |
|
|
* spigot - Spigot select code.
|
| 718 |
|
|
* device - Device byte code.
|
| 719 |
|
|
*
|
| 720 |
|
|
* Returns: Nothing.
|
| 721 |
|
|
*
|
| 722 |
|
|
****************************************************************/
|
| 723 |
|
|
static void OpDone (PADAPTER2220I padapter, ULONG result)
|
| 724 |
|
|
{
|
| 725 |
|
|
Scsi_Cmnd *SCpnt = padapter->SCpnt;
|
| 726 |
|
|
|
| 727 |
|
|
if ( padapter->reconPhase )
|
| 728 |
|
|
{
|
| 729 |
|
|
padapter->reconPhase = 0;
|
| 730 |
|
|
if ( padapter->SCpnt )
|
| 731 |
|
|
{
|
| 732 |
|
|
Pci2220i_QueueCommand (SCpnt, SCpnt->scsi_done);
|
| 733 |
|
|
}
|
| 734 |
|
|
else
|
| 735 |
|
|
{
|
| 736 |
|
|
if ( padapter->reconOn )
|
| 737 |
|
|
{
|
| 738 |
|
|
ReconTimerExpiry ((unsigned long)padapter);
|
| 739 |
|
|
}
|
| 740 |
|
|
}
|
| 741 |
|
|
}
|
| 742 |
|
|
else
|
| 743 |
|
|
{
|
| 744 |
|
|
padapter->cmd = 0;
|
| 745 |
|
|
padapter->SCpnt = NULL;
|
| 746 |
|
|
padapter->pdev = NULL;
|
| 747 |
|
|
SCpnt->result = result;
|
| 748 |
|
|
SCpnt->scsi_done (SCpnt);
|
| 749 |
|
|
if ( padapter->reconOn && !padapter->reconTimer.data )
|
| 750 |
|
|
{
|
| 751 |
|
|
padapter->reconTimer.expires = jiffies + (HZ / 4); // start in 1/4 second
|
| 752 |
|
|
padapter->reconTimer.data = (unsigned long)padapter;
|
| 753 |
|
|
add_timer (&padapter->reconTimer);
|
| 754 |
|
|
}
|
| 755 |
|
|
}
|
| 756 |
|
|
}
|
| 757 |
|
|
/****************************************************************
|
| 758 |
|
|
* Name: InlineIdentify :LOCAL
|
| 759 |
|
|
*
|
| 760 |
|
|
* Description: Do an intline inquiry on a drive.
|
| 761 |
|
|
*
|
| 762 |
|
|
* Parameters: padapter - Pointer to host data block.
|
| 763 |
|
|
* spigot - Spigot select code.
|
| 764 |
|
|
* device - Device byte code.
|
| 765 |
|
|
*
|
| 766 |
|
|
* Returns: Last addressable sector or zero if none.
|
| 767 |
|
|
*
|
| 768 |
|
|
****************************************************************/
|
| 769 |
|
|
static ULONG InlineIdentify (PADAPTER2220I padapter, UCHAR spigot, UCHAR device)
|
| 770 |
|
|
{
|
| 771 |
|
|
PIDENTIFY_DATA pid = (PIDENTIFY_DATA)padapter->kBuffer;
|
| 772 |
|
|
|
| 773 |
|
|
SelectSpigot (padapter, spigot | SEL_IRQ_OFF); // select the spigot
|
| 774 |
|
|
outb_p ((device << 4) | 0xA0, padapter->regLba24); // select the drive
|
| 775 |
|
|
if ( WaitReady (padapter) )
|
| 776 |
|
|
return 0;
|
| 777 |
|
|
WriteCommand (padapter, IDE_COMMAND_IDENTIFY);
|
| 778 |
|
|
if ( WaitDrq (padapter) )
|
| 779 |
|
|
return 0;
|
| 780 |
|
|
insw (padapter->regData, padapter->kBuffer, sizeof (IDENTIFY_DATA) >> 1);
|
| 781 |
|
|
return (pid->LBATotalSectors - 1);
|
| 782 |
|
|
}
|
| 783 |
|
|
/****************************************************************
|
| 784 |
|
|
* Name: AtapiIdentify :LOCAL
|
| 785 |
|
|
*
|
| 786 |
|
|
* Description: Do an intline inquiry on a drive.
|
| 787 |
|
|
*
|
| 788 |
|
|
* Parameters: padapter - Pointer to host data block.
|
| 789 |
|
|
* pdev - Pointer to device table.
|
| 790 |
|
|
*
|
| 791 |
|
|
* Returns: TRUE on error.
|
| 792 |
|
|
*
|
| 793 |
|
|
****************************************************************/
|
| 794 |
|
|
static ULONG AtapiIdentify (PADAPTER2220I padapter, POUR_DEVICE pdev)
|
| 795 |
|
|
{
|
| 796 |
|
|
ATAPI_GENERAL_0 ag0;
|
| 797 |
|
|
USHORT zs;
|
| 798 |
|
|
int z;
|
| 799 |
|
|
|
| 800 |
|
|
AtapiDevice (padapter, pdev->byte6);
|
| 801 |
|
|
WriteCommand (padapter, IDE_COMMAND_ATAPI_IDENTIFY);
|
| 802 |
|
|
if ( AtapiWaitDrq (padapter, 3000) )
|
| 803 |
|
|
return TRUE;
|
| 804 |
|
|
|
| 805 |
|
|
*(USHORT *)&ag0 = inw_p (padapter->regData);
|
| 806 |
|
|
for ( z = 0; z < 255; z++ )
|
| 807 |
|
|
zs = inw_p (padapter->regData);
|
| 808 |
|
|
|
| 809 |
|
|
if ( ag0.ProtocolType == 2 )
|
| 810 |
|
|
{
|
| 811 |
|
|
if ( ag0.CmdDrqType == 1 )
|
| 812 |
|
|
pdev->cmdDrqInt = TRUE;
|
| 813 |
|
|
switch ( ag0.CmdPacketSize )
|
| 814 |
|
|
{
|
| 815 |
|
|
case 0:
|
| 816 |
|
|
pdev->packet = 6;
|
| 817 |
|
|
break;
|
| 818 |
|
|
case 1:
|
| 819 |
|
|
pdev->packet = 8;
|
| 820 |
|
|
break;
|
| 821 |
|
|
default:
|
| 822 |
|
|
pdev->packet = 6;
|
| 823 |
|
|
break;
|
| 824 |
|
|
}
|
| 825 |
|
|
return FALSE;
|
| 826 |
|
|
}
|
| 827 |
|
|
return TRUE;
|
| 828 |
|
|
}
|
| 829 |
|
|
/****************************************************************
|
| 830 |
|
|
* Name: Atapi2Scsi
|
| 831 |
|
|
*
|
| 832 |
|
|
* Description: Convert ATAPI data to SCSI data.
|
| 833 |
|
|
*
|
| 834 |
|
|
* Parameters: padapter - Pointer adapter data structure.
|
| 835 |
|
|
* SCpnt - Pointer to SCSI command structure.
|
| 836 |
|
|
*
|
| 837 |
|
|
* Returns: Nothing.
|
| 838 |
|
|
*
|
| 839 |
|
|
****************************************************************/
|
| 840 |
|
|
void Atapi2Scsi (PADAPTER2220I padapter, Scsi_Cmnd *SCpnt)
|
| 841 |
|
|
{
|
| 842 |
|
|
UCHAR *buff = padapter->currentSgBuffer;
|
| 843 |
|
|
|
| 844 |
|
|
switch ( SCpnt->cmnd[0] )
|
| 845 |
|
|
{
|
| 846 |
|
|
case SCSIOP_MODE_SENSE:
|
| 847 |
|
|
buff[0] = padapter->kBuffer[1];
|
| 848 |
|
|
buff[1] = padapter->kBuffer[2];
|
| 849 |
|
|
buff[2] = padapter->kBuffer[3];
|
| 850 |
|
|
buff[3] = padapter->kBuffer[7];
|
| 851 |
|
|
memcpy (&buff[4], &padapter->kBuffer[8], padapter->atapiCdb[8] - 8);
|
| 852 |
|
|
break;
|
| 853 |
|
|
case SCSIOP_INQUIRY:
|
| 854 |
|
|
padapter->kBuffer[2] = 2;
|
| 855 |
|
|
memcpy (buff, padapter->kBuffer, padapter->currentSgCount);
|
| 856 |
|
|
break;
|
| 857 |
|
|
default:
|
| 858 |
|
|
if ( padapter->readCount )
|
| 859 |
|
|
WalkScatGath (padapter, TRUE, padapter->readCount);
|
| 860 |
|
|
break;
|
| 861 |
|
|
}
|
| 862 |
|
|
}
|
| 863 |
|
|
/****************************************************************
|
| 864 |
|
|
* Name: Scsi2Atapi
|
| 865 |
|
|
*
|
| 866 |
|
|
* Description: Convert SCSI packet command to Atapi packet command.
|
| 867 |
|
|
*
|
| 868 |
|
|
* Parameters: padapter - Pointer adapter data structure.
|
| 869 |
|
|
* SCpnt - Pointer to SCSI command structure.
|
| 870 |
|
|
*
|
| 871 |
|
|
* Returns: Nothing.
|
| 872 |
|
|
*
|
| 873 |
|
|
****************************************************************/
|
| 874 |
|
|
static void Scsi2Atapi (PADAPTER2220I padapter, Scsi_Cmnd *SCpnt)
|
| 875 |
|
|
{
|
| 876 |
|
|
UCHAR *cdb = SCpnt->cmnd;
|
| 877 |
|
|
UCHAR *buff = padapter->currentSgBuffer;
|
| 878 |
|
|
|
| 879 |
|
|
switch (cdb[0])
|
| 880 |
|
|
{
|
| 881 |
|
|
case SCSIOP_READ6:
|
| 882 |
|
|
padapter->atapiCdb[0] = SCSIOP_READ;
|
| 883 |
|
|
padapter->atapiCdb[1] = cdb[1] & 0xE0;
|
| 884 |
|
|
padapter->atapiCdb[3] = cdb[1] & 0x1F;
|
| 885 |
|
|
padapter->atapiCdb[4] = cdb[2];
|
| 886 |
|
|
padapter->atapiCdb[5] = cdb[3];
|
| 887 |
|
|
padapter->atapiCdb[8] = cdb[4];
|
| 888 |
|
|
padapter->atapiCdb[9] = cdb[5];
|
| 889 |
|
|
break;
|
| 890 |
|
|
case SCSIOP_WRITE6:
|
| 891 |
|
|
padapter->atapiCdb[0] = SCSIOP_WRITE;
|
| 892 |
|
|
padapter->atapiCdb[1] = cdb[1] & 0xE0;
|
| 893 |
|
|
padapter->atapiCdb[3] = cdb[1] & 0x1F;
|
| 894 |
|
|
padapter->atapiCdb[4] = cdb[2];
|
| 895 |
|
|
padapter->atapiCdb[5] = cdb[3];
|
| 896 |
|
|
padapter->atapiCdb[8] = cdb[4];
|
| 897 |
|
|
padapter->atapiCdb[9] = cdb[5];
|
| 898 |
|
|
break;
|
| 899 |
|
|
case SCSIOP_MODE_SENSE:
|
| 900 |
|
|
padapter->atapiCdb[0] = SCSIOP_MODE_SENSE10;
|
| 901 |
|
|
padapter->atapiCdb[2] = cdb[2];
|
| 902 |
|
|
padapter->atapiCdb[8] = cdb[4] + 4;
|
| 903 |
|
|
break;
|
| 904 |
|
|
|
| 905 |
|
|
case SCSIOP_MODE_SELECT:
|
| 906 |
|
|
padapter->atapiSpecial = TRUE;
|
| 907 |
|
|
padapter->atapiCdb[0] = SCSIOP_MODE_SELECT10;
|
| 908 |
|
|
padapter->atapiCdb[1] = cdb[1] | 0x10;
|
| 909 |
|
|
memcpy (padapter->kBuffer, buff, 4);
|
| 910 |
|
|
padapter->kBuffer[4] = padapter->kBuffer[5] = 0;
|
| 911 |
|
|
padapter->kBuffer[6] = padapter->kBuffer[7] = 0;
|
| 912 |
|
|
memcpy (&padapter->kBuffer[8], &buff[4], cdb[4] - 4);
|
| 913 |
|
|
padapter->atapiCdb[8] = cdb[4] + 4;
|
| 914 |
|
|
break;
|
| 915 |
|
|
}
|
| 916 |
|
|
}
|
| 917 |
|
|
/****************************************************************
|
| 918 |
|
|
* Name: AtapiSendCdb
|
| 919 |
|
|
*
|
| 920 |
|
|
* Description: Send the CDB packet to the device.
|
| 921 |
|
|
*
|
| 922 |
|
|
* Parameters: padapter - Pointer adapter data structure.
|
| 923 |
|
|
* pdev - Pointer to device.
|
| 924 |
|
|
* cdb - Pointer to 16 byte SCSI cdb.
|
| 925 |
|
|
*
|
| 926 |
|
|
* Returns: Nothing.
|
| 927 |
|
|
*
|
| 928 |
|
|
****************************************************************/
|
| 929 |
|
|
static void AtapiSendCdb (PADAPTER2220I padapter, POUR_DEVICE pdev, CHAR *cdb)
|
| 930 |
|
|
{
|
| 931 |
|
|
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]));
|
| 932 |
|
|
outsw (padapter->regData, cdb, pdev->packet);
|
| 933 |
|
|
}
|
| 934 |
|
|
/****************************************************************
|
| 935 |
|
|
* Name: AtapiRequestSense
|
| 936 |
|
|
*
|
| 937 |
|
|
* Description: Send the CDB packet to the device.
|
| 938 |
|
|
*
|
| 939 |
|
|
* Parameters: padapter - Pointer adapter data structure.
|
| 940 |
|
|
* pdev - Pointer to device.
|
| 941 |
|
|
* SCpnt - Pointer to SCSI command structure.
|
| 942 |
|
|
* pass - If true then this is the second pass to send cdb.
|
| 943 |
|
|
*
|
| 944 |
|
|
* Returns: TRUE on error.
|
| 945 |
|
|
*
|
| 946 |
|
|
****************************************************************/
|
| 947 |
|
|
static int AtapiRequestSense (PADAPTER2220I padapter, POUR_DEVICE pdev, Scsi_Cmnd *SCpnt, UCHAR pass)
|
| 948 |
|
|
{
|
| 949 |
|
|
UCHAR cdb[16] = {SCSIOP_REQUEST_SENSE,0,0,0,16,0,0,0,0,0,0,0,0,0,0,0};
|
| 950 |
|
|
|
| 951 |
|
|
DEB (printk ("\nPCI2242I: AUTO REQUEST SENSE"));
|
| 952 |
|
|
cdb[4] = (UCHAR)(sizeof (SCpnt->sense_buffer));
|
| 953 |
|
|
if ( !pass )
|
| 954 |
|
|
{
|
| 955 |
|
|
padapter->reqSense = TRUE;
|
| 956 |
|
|
AtapiCountLo (padapter, cdb[4]);
|
| 957 |
|
|
AtapiCountHi (padapter, 0);
|
| 958 |
|
|
outb_p (0, padapter->regError);
|
| 959 |
|
|
WriteCommand (padapter, IDE_COMMAND_ATAPI_PACKET);
|
| 960 |
|
|
if ( pdev->cmdDrqInt )
|
| 961 |
|
|
return FALSE;
|
| 962 |
|
|
|
| 963 |
|
|
if ( AtapiWaitDrq (padapter, 500) )
|
| 964 |
|
|
return TRUE;
|
| 965 |
|
|
}
|
| 966 |
|
|
AtapiSendCdb (padapter, pdev, cdb);
|
| 967 |
|
|
return FALSE;
|
| 968 |
|
|
}
|
| 969 |
|
|
/****************************************************************
|
| 970 |
|
|
* Name: InlineReadSignature :LOCAL
|
| 971 |
|
|
*
|
| 972 |
|
|
* Description: Do an inline read RAID sigature.
|
| 973 |
|
|
*
|
| 974 |
|
|
* Parameters: padapter - Pointer adapter data structure.
|
| 975 |
|
|
* pdev - Pointer to device.
|
| 976 |
|
|
* index - index of data to read.
|
| 977 |
|
|
*
|
| 978 |
|
|
* Returns: Zero if no error or status register contents on error.
|
| 979 |
|
|
*
|
| 980 |
|
|
****************************************************************/
|
| 981 |
|
|
static UCHAR InlineReadSignature (PADAPTER2220I padapter, POUR_DEVICE pdev, int index)
|
| 982 |
|
|
{
|
| 983 |
|
|
UCHAR status;
|
| 984 |
|
|
ULONG zl = pdev->lastsectorlba[index];
|
| 985 |
|
|
|
| 986 |
|
|
SelectSpigot (padapter, pdev->spigots[index] | SEL_IRQ_OFF); // select the spigot without interrupts
|
| 987 |
|
|
outb_p (pdev->byte6 | ((UCHAR *)&zl)[3], padapter->regLba24);
|
| 988 |
|
|
status = WaitReady (padapter);
|
| 989 |
|
|
if ( !status )
|
| 990 |
|
|
{
|
| 991 |
|
|
outb_p (((UCHAR *)&zl)[2], padapter->regLba16);
|
| 992 |
|
|
outb_p (((UCHAR *)&zl)[1], padapter->regLba8);
|
| 993 |
|
|
outb_p (((UCHAR *)&zl)[0], padapter->regLba0);
|
| 994 |
|
|
outb_p (1, padapter->regSectCount);
|
| 995 |
|
|
WriteCommand (padapter, IDE_COMMAND_READ);
|
| 996 |
|
|
status = WaitDrq (padapter);
|
| 997 |
|
|
if ( !status )
|
| 998 |
|
|
{
|
| 999 |
|
|
insw (padapter->regData, padapter->kBuffer, BYTES_PER_SECTOR / 2);
|
| 1000 |
|
|
((ULONG *)(&pdev->DiskMirror[index]))[0] = ((ULONG *)(&padapter->kBuffer[DISK_MIRROR_POSITION]))[0];
|
| 1001 |
|
|
((ULONG *)(&pdev->DiskMirror[index]))[1] = ((ULONG *)(&padapter->kBuffer[DISK_MIRROR_POSITION]))[1];
|
| 1002 |
|
|
// some drives assert DRQ before IRQ so let's make sure we clear the IRQ
|
| 1003 |
|
|
WaitReady (padapter);
|
| 1004 |
|
|
return 0;
|
| 1005 |
|
|
}
|
| 1006 |
|
|
}
|
| 1007 |
|
|
return status;
|
| 1008 |
|
|
}
|
| 1009 |
|
|
/****************************************************************
|
| 1010 |
|
|
* Name: DecodeError :LOCAL
|
| 1011 |
|
|
*
|
| 1012 |
|
|
* Description: Decode and process device errors.
|
| 1013 |
|
|
*
|
| 1014 |
|
|
* Parameters: padapter - Pointer to adapter data.
|
| 1015 |
|
|
* status - Status register code.
|
| 1016 |
|
|
*
|
| 1017 |
|
|
* Returns: The driver status code.
|
| 1018 |
|
|
*
|
| 1019 |
|
|
****************************************************************/
|
| 1020 |
|
|
static ULONG DecodeError (PADAPTER2220I padapter, UCHAR status)
|
| 1021 |
|
|
{
|
| 1022 |
|
|
UCHAR error;
|
| 1023 |
|
|
|
| 1024 |
|
|
padapter->expectingIRQ = 0;
|
| 1025 |
|
|
if ( status & IDE_STATUS_WRITE_FAULT )
|
| 1026 |
|
|
{
|
| 1027 |
|
|
return DID_PARITY << 16;
|
| 1028 |
|
|
}
|
| 1029 |
|
|
if ( status & IDE_STATUS_BUSY )
|
| 1030 |
|
|
return DID_BUS_BUSY << 16;
|
| 1031 |
|
|
|
| 1032 |
|
|
error = inb_p (padapter->regError);
|
| 1033 |
|
|
DEB(printk ("\npci2220i error register: %x", error));
|
| 1034 |
|
|
switch ( error )
|
| 1035 |
|
|
{
|
| 1036 |
|
|
case IDE_ERROR_AMNF:
|
| 1037 |
|
|
case IDE_ERROR_TKONF:
|
| 1038 |
|
|
case IDE_ERROR_ABRT:
|
| 1039 |
|
|
case IDE_ERROR_IDFN:
|
| 1040 |
|
|
case IDE_ERROR_UNC:
|
| 1041 |
|
|
case IDE_ERROR_BBK:
|
| 1042 |
|
|
default:
|
| 1043 |
|
|
return DID_ERROR << 16;
|
| 1044 |
|
|
}
|
| 1045 |
|
|
return DID_ERROR << 16;
|
| 1046 |
|
|
}
|
| 1047 |
|
|
/****************************************************************
|
| 1048 |
|
|
* Name: StartTimer :LOCAL
|
| 1049 |
|
|
*
|
| 1050 |
|
|
* Description: Start the timer.
|
| 1051 |
|
|
*
|
| 1052 |
|
|
* Parameters: ipadapter - Pointer adapter data structure.
|
| 1053 |
|
|
*
|
| 1054 |
|
|
* Returns: Nothing.
|
| 1055 |
|
|
*
|
| 1056 |
|
|
****************************************************************/
|
| 1057 |
|
|
static void StartTimer (PADAPTER2220I padapter)
|
| 1058 |
|
|
{
|
| 1059 |
|
|
padapter->timer.expires = jiffies + TIMEOUT_DATA;
|
| 1060 |
|
|
add_timer (&padapter->timer);
|
| 1061 |
|
|
}
|
| 1062 |
|
|
/****************************************************************
|
| 1063 |
|
|
* Name: WriteSignature :LOCAL
|
| 1064 |
|
|
*
|
| 1065 |
|
|
* Description: Start the timer.
|
| 1066 |
|
|
*
|
| 1067 |
|
|
* Parameters: padapter - Pointer adapter data structure.
|
| 1068 |
|
|
* pdev - Pointer to our device.
|
| 1069 |
|
|
* spigot - Selected spigot.
|
| 1070 |
|
|
* index - index of mirror signature on device.
|
| 1071 |
|
|
*
|
| 1072 |
|
|
* Returns: TRUE on any error.
|
| 1073 |
|
|
*
|
| 1074 |
|
|
****************************************************************/
|
| 1075 |
|
|
static int WriteSignature (PADAPTER2220I padapter, POUR_DEVICE pdev, UCHAR spigot, int index)
|
| 1076 |
|
|
{
|
| 1077 |
|
|
ULONG zl;
|
| 1078 |
|
|
|
| 1079 |
|
|
SelectSpigot (padapter, spigot);
|
| 1080 |
|
|
zl = pdev->lastsectorlba[index];
|
| 1081 |
|
|
outb_p (pdev->byte6 | ((UCHAR *)&zl)[3], padapter->regLba24);
|
| 1082 |
|
|
outb_p (((UCHAR *)&zl)[2], padapter->regLba16);
|
| 1083 |
|
|
outb_p (((UCHAR *)&zl)[1], padapter->regLba8);
|
| 1084 |
|
|
outb_p (((UCHAR *)&zl)[0], padapter->regLba0);
|
| 1085 |
|
|
outb_p (1, padapter->regSectCount);
|
| 1086 |
|
|
|
| 1087 |
|
|
WriteCommand (padapter, IDE_COMMAND_WRITE);
|
| 1088 |
|
|
if ( WaitDrq (padapter) )
|
| 1089 |
|
|
return TRUE;
|
| 1090 |
|
|
StartTimer (padapter);
|
| 1091 |
|
|
padapter->expectingIRQ = TRUE;
|
| 1092 |
|
|
|
| 1093 |
|
|
((ULONG *)(&padapter->kBuffer[DISK_MIRROR_POSITION]))[0] = ((ULONG *)(&pdev->DiskMirror[index]))[0];
|
| 1094 |
|
|
((ULONG *)(&padapter->kBuffer[DISK_MIRROR_POSITION]))[1] = ((ULONG *)(&pdev->DiskMirror[index]))[1];
|
| 1095 |
|
|
outsw (padapter->regData, padapter->kBuffer, BYTES_PER_SECTOR / 2);
|
| 1096 |
|
|
return FALSE;
|
| 1097 |
|
|
}
|
| 1098 |
|
|
/*******************************************************************************************************
|
| 1099 |
|
|
* Name: InitFailover
|
| 1100 |
|
|
*
|
| 1101 |
|
|
* Description: This is the beginning of the failover routine
|
| 1102 |
|
|
*
|
| 1103 |
|
|
* Parameters: SCpnt - Pointer to SCSI command structure.
|
| 1104 |
|
|
* padapter - Pointer adapter data structure.
|
| 1105 |
|
|
* pdev - Pointer to our device.
|
| 1106 |
|
|
*
|
| 1107 |
|
|
* Returns: TRUE on error.
|
| 1108 |
|
|
*
|
| 1109 |
|
|
******************************************************************************************************/
|
| 1110 |
|
|
static int InitFailover (PADAPTER2220I padapter, POUR_DEVICE pdev)
|
| 1111 |
|
|
{
|
| 1112 |
|
|
UCHAR spigot;
|
| 1113 |
|
|
|
| 1114 |
|
|
DEB (printk ("\npci2220i: Initialize failover process - survivor = %d", pdev->deviceID[padapter->survivor]));
|
| 1115 |
|
|
pdev->raid = FALSE; //initializes system for non raid mode
|
| 1116 |
|
|
pdev->reconOn = FALSE;
|
| 1117 |
|
|
spigot = pdev->spigots[padapter->survivor];
|
| 1118 |
|
|
|
| 1119 |
|
|
if ( pdev->DiskMirror[padapter->survivor].status & UCBF_REBUILD )
|
| 1120 |
|
|
{
|
| 1121 |
|
|
DEB (printk ("\n failed, is survivor"));
|
| 1122 |
|
|
return (TRUE);
|
| 1123 |
|
|
}
|
| 1124 |
|
|
|
| 1125 |
|
|
if ( HardReset (padapter, pdev, spigot) )
|
| 1126 |
|
|
{
|
| 1127 |
|
|
DEB (printk ("\n failed, reset"));
|
| 1128 |
|
|
return TRUE;
|
| 1129 |
|
|
}
|
| 1130 |
|
|
|
| 1131 |
|
|
Alarm (padapter, pdev->deviceID[padapter->survivor ^ 1]);
|
| 1132 |
|
|
pdev->DiskMirror[padapter->survivor].status = UCBF_MIRRORED | UCBF_SURVIVOR; //clear present status
|
| 1133 |
|
|
|
| 1134 |
|
|
if ( WriteSignature (padapter, pdev, spigot, padapter->survivor) )
|
| 1135 |
|
|
{
|
| 1136 |
|
|
DEB (printk ("\n failed, write signature"));
|
| 1137 |
|
|
return TRUE;
|
| 1138 |
|
|
}
|
| 1139 |
|
|
padapter->failinprog = TRUE;
|
| 1140 |
|
|
return FALSE;
|
| 1141 |
|
|
}
|
| 1142 |
|
|
/****************************************************************
|
| 1143 |
|
|
* Name: TimerExpiry :LOCAL
|
| 1144 |
|
|
*
|
| 1145 |
|
|
* Description: Timer expiry routine.
|
| 1146 |
|
|
*
|
| 1147 |
|
|
* Parameters: data - Pointer adapter data structure.
|
| 1148 |
|
|
*
|
| 1149 |
|
|
* Returns: Nothing.
|
| 1150 |
|
|
*
|
| 1151 |
|
|
****************************************************************/
|
| 1152 |
|
|
static void TimerExpiry (unsigned long data)
|
| 1153 |
|
|
{
|
| 1154 |
|
|
PADAPTER2220I padapter = (PADAPTER2220I)data;
|
| 1155 |
|
|
POUR_DEVICE pdev = padapter->pdev;
|
| 1156 |
|
|
UCHAR status = IDE_STATUS_BUSY;
|
| 1157 |
|
|
UCHAR temp, temp1;
|
| 1158 |
|
|
unsigned long flags;
|
| 1159 |
|
|
|
| 1160 |
|
|
/*
|
| 1161 |
|
|
* Disable interrupts, if they aren't already disabled and acquire
|
| 1162 |
|
|
* the I/O spinlock.
|
| 1163 |
|
|
*/
|
| 1164 |
|
|
spin_lock_irqsave (&io_request_lock, flags);
|
| 1165 |
|
|
DEB (printk ("\nPCI2220I: Timeout expired "));
|
| 1166 |
|
|
|
| 1167 |
|
|
if ( padapter->failinprog )
|
| 1168 |
|
|
{
|
| 1169 |
|
|
DEB (printk ("in failover process"));
|
| 1170 |
|
|
OpDone (padapter, DecodeError (padapter, inb_p (padapter->regStatCmd)));
|
| 1171 |
|
|
goto timerExpiryDone;
|
| 1172 |
|
|
}
|
| 1173 |
|
|
|
| 1174 |
|
|
while ( padapter->reconPhase )
|
| 1175 |
|
|
{
|
| 1176 |
|
|
DEB (printk ("in recon phase %X", padapter->reconPhase));
|
| 1177 |
|
|
switch ( padapter->reconPhase )
|
| 1178 |
|
|
{
|
| 1179 |
|
|
case RECON_PHASE_MARKING:
|
| 1180 |
|
|
case RECON_PHASE_LAST:
|
| 1181 |
|
|
padapter->survivor = ( pdev->spigot == pdev->spigots[0] ) ? 1 : 0;
|
| 1182 |
|
|
DEB (printk ("\npci2220i: FAILURE 1"));
|
| 1183 |
|
|
if ( InitFailover (padapter, pdev) )
|
| 1184 |
|
|
OpDone (padapter, DID_ERROR << 16);
|
| 1185 |
|
|
goto timerExpiryDone;
|
| 1186 |
|
|
|
| 1187 |
|
|
case RECON_PHASE_READY:
|
| 1188 |
|
|
OpDone (padapter, DID_ERROR << 16);
|
| 1189 |
|
|
goto timerExpiryDone;
|
| 1190 |
|
|
|
| 1191 |
|
|
case RECON_PHASE_COPY:
|
| 1192 |
|
|
padapter->survivor = ( pdev->spigot == pdev->spigots[0] ) ? 0 : 1;
|
| 1193 |
|
|
DEB (printk ("\npci2220i: FAILURE 2"));
|
| 1194 |
|
|
DEB (printk ("\n spig/stat = %X", inb_p (padapter->regStatSel));
|
| 1195 |
|
|
if ( InitFailover (padapter, pdev) )
|
| 1196 |
|
|
OpDone (padapter, DID_ERROR << 16);
|
| 1197 |
|
|
goto timerExpiryDone;
|
| 1198 |
|
|
|
| 1199 |
|
|
case RECON_PHASE_UPDATE:
|
| 1200 |
|
|
padapter->survivor = ( pdev->spigot == pdev->spigots[0] ) ? 0 : 1;
|
| 1201 |
|
|
DEB (printk ("\npci2220i: FAILURE 3")));
|
| 1202 |
|
|
if ( InitFailover (padapter, pdev) )
|
| 1203 |
|
|
OpDone (padapter, DID_ERROR << 16);
|
| 1204 |
|
|
goto timerExpiryDone;
|
| 1205 |
|
|
|
| 1206 |
|
|
case RECON_PHASE_END:
|
| 1207 |
|
|
padapter->survivor = ( pdev->spigot == pdev->spigots[0] ) ? 0 : 1;
|
| 1208 |
|
|
DEB (printk ("\npci2220i: FAILURE 4"));
|
| 1209 |
|
|
if ( InitFailover (padapter, pdev) )
|
| 1210 |
|
|
OpDone (padapter, DID_ERROR << 16);
|
| 1211 |
|
|
goto timerExpiryDone;
|
| 1212 |
|
|
|
| 1213 |
|
|
default:
|
| 1214 |
|
|
goto timerExpiryDone;
|
| 1215 |
|
|
}
|
| 1216 |
|
|
}
|
| 1217 |
|
|
|
| 1218 |
|
|
while ( padapter->cmd )
|
| 1219 |
|
|
{
|
| 1220 |
|
|
outb_p (0x08, padapter->regDmaCmdStat); // cancel interrupt from DMA engine
|
| 1221 |
|
|
if ( pdev->raid )
|
| 1222 |
|
|
{
|
| 1223 |
|
|
if ( padapter->cmd == WRITE_CMD )
|
| 1224 |
|
|
{
|
| 1225 |
|
|
DEB (printk ("in RAID write operation"));
|
| 1226 |
|
|
temp = ( pdev->spigot & (SEL_1 | SEL_2) ) ? SEL_1 : SEL_3;
|
| 1227 |
|
|
if ( inb_p (padapter->regStatSel) & temp )
|
| 1228 |
|
|
{
|
| 1229 |
|
|
DEB (printk ("\npci2220i: Determined A OK"));
|
| 1230 |
|
|
SelectSpigot (padapter, temp | SEL_IRQ_OFF); // Masking the interrupt during spigot select
|
| 1231 |
|
|
temp = inb_p (padapter->regStatCmd);
|
| 1232 |
|
|
}
|
| 1233 |
|
|
else
|
| 1234 |
|
|
temp = IDE_STATUS_BUSY;
|
| 1235 |
|
|
|
| 1236 |
|
|
temp1 = ( pdev->spigot & (SEL_1 | SEL_2) ) ? SEL_2 : SEL_4;
|
| 1237 |
|
|
if ( inb (padapter->regStatSel) & temp1 )
|
| 1238 |
|
|
{
|
| 1239 |
|
|
DEB (printk ("\npci2220i: Determined B OK"));
|
| 1240 |
|
|
SelectSpigot (padapter, temp1 | SEL_IRQ_OFF); // Masking the interrupt during spigot select
|
| 1241 |
|
|
temp1 = inb_p (padapter->regStatCmd);
|
| 1242 |
|
|
}
|
| 1243 |
|
|
else
|
| 1244 |
|
|
temp1 = IDE_STATUS_BUSY;
|
| 1245 |
|
|
|
| 1246 |
|
|
if ( (temp & IDE_STATUS_BUSY) || (temp1 & IDE_STATUS_BUSY) )
|
| 1247 |
|
|
{
|
| 1248 |
|
|
DEB (printk ("\npci2220i: Status A: %X B: %X", temp & 0xFF, temp1 & 0xFF));
|
| 1249 |
|
|
if ( (temp & IDE_STATUS_BUSY) && (temp1 & IDE_STATUS_BUSY) )
|
| 1250 |
|
|
{
|
| 1251 |
|
|
status = temp;
|
| 1252 |
|
|
break;
|
| 1253 |
|
|
}
|
| 1254 |
|
|
else
|
| 1255 |
|
|
{
|
| 1256 |
|
|
if ( temp & IDE_STATUS_BUSY )
|
| 1257 |
|
|
padapter->survivor = 1;
|
| 1258 |
|
|
else
|
| 1259 |
|
|
padapter->survivor = 0;
|
| 1260 |
|
|
if ( InitFailover (padapter, pdev) )
|
| 1261 |
|
|
{
|
| 1262 |
|
|
status = inb_p (padapter->regStatCmd);
|
| 1263 |
|
|
break;
|
| 1264 |
|
|
}
|
| 1265 |
|
|
goto timerExpiryDone;
|
| 1266 |
|
|
}
|
| 1267 |
|
|
}
|
| 1268 |
|
|
}
|
| 1269 |
|
|
else
|
| 1270 |
|
|
{
|
| 1271 |
|
|
DEB (printk ("in RAID read operation"));
|
| 1272 |
|
|
padapter->survivor = ( pdev->spigot == pdev->spigots[0] ) ? 0 : 1;
|
| 1273 |
|
|
DEB (printk ("\npci2220i: FAILURE 6"));
|
| 1274 |
|
|
if ( InitFailover (padapter, pdev) )
|
| 1275 |
|
|
{
|
| 1276 |
|
|
status = inb_p (padapter->regStatCmd);
|
| 1277 |
|
|
break;
|
| 1278 |
|
|
}
|
| 1279 |
|
|
goto timerExpiryDone;
|
| 1280 |
|
|
}
|
| 1281 |
|
|
}
|
| 1282 |
|
|
else
|
| 1283 |
|
|
{
|
| 1284 |
|
|
DEB (printk ("in I/O operation"));
|
| 1285 |
|
|
status = inb_p (padapter->regStatCmd);
|
| 1286 |
|
|
}
|
| 1287 |
|
|
break;
|
| 1288 |
|
|
}
|
| 1289 |
|
|
|
| 1290 |
|
|
OpDone (padapter, DecodeError (padapter, status));
|
| 1291 |
|
|
|
| 1292 |
|
|
timerExpiryDone:;
|
| 1293 |
|
|
/*
|
| 1294 |
|
|
* Release the I/O spinlock and restore the original flags
|
| 1295 |
|
|
* which will enable interrupts if and only if they were
|
| 1296 |
|
|
* enabled on entry.
|
| 1297 |
|
|
*/
|
| 1298 |
|
|
spin_unlock_irqrestore (&io_request_lock, flags);
|
| 1299 |
|
|
}
|
| 1300 |
|
|
/****************************************************************
|
| 1301 |
|
|
* Name: SetReconstruct :LOCAL
|
| 1302 |
|
|
*
|
| 1303 |
|
|
* Description: Set the reconstruct up.
|
| 1304 |
|
|
*
|
| 1305 |
|
|
* Parameters: pdev - Pointer to device structure.
|
| 1306 |
|
|
* index - Mirror index number.
|
| 1307 |
|
|
*
|
| 1308 |
|
|
* Returns: Number of sectors on new disk required.
|
| 1309 |
|
|
*
|
| 1310 |
|
|
****************************************************************/
|
| 1311 |
|
|
static LONG SetReconstruct (POUR_DEVICE pdev, int index)
|
| 1312 |
|
|
{
|
| 1313 |
|
|
pdev->DiskMirror[index].status = UCBF_MIRRORED; // setup the flags
|
| 1314 |
|
|
pdev->DiskMirror[index ^ 1].status = UCBF_MIRRORED | UCBF_REBUILD;
|
| 1315 |
|
|
pdev->DiskMirror[index ^ 1].reconstructPoint = 0; // start the reconstruct
|
| 1316 |
|
|
pdev->reconCount = 1990; // mark target drive early
|
| 1317 |
|
|
return pdev->DiskMirror[index].reconstructPoint;
|
| 1318 |
|
|
}
|
| 1319 |
|
|
/****************************************************************
|
| 1320 |
|
|
* Name: ReconTimerExpiry :LOCAL
|
| 1321 |
|
|
*
|
| 1322 |
|
|
* Description: Reconstruct timer expiry routine.
|
| 1323 |
|
|
*
|
| 1324 |
|
|
* Parameters: data - Pointer adapter data structure.
|
| 1325 |
|
|
*
|
| 1326 |
|
|
* Returns: Nothing.
|
| 1327 |
|
|
*
|
| 1328 |
|
|
****************************************************************/
|
| 1329 |
|
|
static void ReconTimerExpiry (unsigned long data)
|
| 1330 |
|
|
{
|
| 1331 |
|
|
PADAPTER2220I padapter;
|
| 1332 |
|
|
POUR_DEVICE pdev;
|
| 1333 |
|
|
ULONG testsize = 0;
|
| 1334 |
|
|
PIDENTIFY_DATA pid;
|
| 1335 |
|
|
USHORT minmode;
|
| 1336 |
|
|
ULONG zl;
|
| 1337 |
|
|
UCHAR zc;
|
| 1338 |
|
|
USHORT z;
|
| 1339 |
|
|
unsigned long flags;
|
| 1340 |
|
|
|
| 1341 |
|
|
/*
|
| 1342 |
|
|
* Disable interrupts, if they aren't already disabled and acquire
|
| 1343 |
|
|
* the I/O spinlock.
|
| 1344 |
|
|
*/
|
| 1345 |
|
|
spin_lock_irqsave (&io_request_lock, flags);
|
| 1346 |
|
|
|
| 1347 |
|
|
padapter = (PADAPTER2220I)data;
|
| 1348 |
|
|
if ( padapter->SCpnt )
|
| 1349 |
|
|
goto reconTimerExpiry;
|
| 1350 |
|
|
|
| 1351 |
|
|
padapter->reconTimer.data = 0;
|
| 1352 |
|
|
for ( z = padapter->devInReconIndex + 1; z < BIGD_MAXDRIVES; z++ )
|
| 1353 |
|
|
{
|
| 1354 |
|
|
if ( padapter->device[z].reconOn )
|
| 1355 |
|
|
break;
|
| 1356 |
|
|
}
|
| 1357 |
|
|
if ( z < BIGD_MAXDRIVES )
|
| 1358 |
|
|
pdev = &padapter->device[z];
|
| 1359 |
|
|
else
|
| 1360 |
|
|
{
|
| 1361 |
|
|
for ( z = 0; z < BIGD_MAXDRIVES; z++ )
|
| 1362 |
|
|
{
|
| 1363 |
|
|
if ( padapter->device[z].reconOn )
|
| 1364 |
|
|
break;
|
| 1365 |
|
|
}
|
| 1366 |
|
|
if ( z < BIGD_MAXDRIVES )
|
| 1367 |
|
|
pdev = &padapter->device[z];
|
| 1368 |
|
|
else
|
| 1369 |
|
|
{
|
| 1370 |
|
|
padapter->reconOn = FALSE;
|
| 1371 |
|
|
goto reconTimerExpiry;
|
| 1372 |
|
|
}
|
| 1373 |
|
|
}
|
| 1374 |
|
|
|
| 1375 |
|
|
padapter->devInReconIndex = z;
|
| 1376 |
|
|
pid = (PIDENTIFY_DATA)padapter->kBuffer;
|
| 1377 |
|
|
padapter->pdev = pdev;
|
| 1378 |
|
|
if ( pdev->reconIsStarting )
|
| 1379 |
|
|
{
|
| 1380 |
|
|
pdev->reconIsStarting = FALSE;
|
| 1381 |
|
|
pdev->reconOn = FALSE;
|
| 1382 |
|
|
|
| 1383 |
|
|
while ( (pdev->DiskMirror[0].signature == SIGNATURE) && (pdev->DiskMirror[1].signature == SIGNATURE) &&
|
| 1384 |
|
|
(pdev->DiskMirror[0].pairIdentifier == (pdev->DiskMirror[1].pairIdentifier ^ 1)) )
|
| 1385 |
|
|
{
|
| 1386 |
|
|
if ( (pdev->DiskMirror[0].status & UCBF_MATCHED) && (pdev->DiskMirror[1].status & UCBF_MATCHED) )
|
| 1387 |
|
|
break;;
|
| 1388 |
|
|
|
| 1389 |
|
|
if ( pdev->DiskMirror[0].status & UCBF_SURVIVOR ) // is first drive survivor?
|
| 1390 |
|
|
testsize = SetReconstruct (pdev, 0);
|
| 1391 |
|
|
else
|
| 1392 |
|
|
if ( pdev->DiskMirror[1].status & UCBF_SURVIVOR ) // is second drive survivor?
|
| 1393 |
|
|
testsize = SetReconstruct (pdev, 1);
|
| 1394 |
|
|
|
| 1395 |
|
|
if ( (pdev->DiskMirror[0].status & UCBF_REBUILD) || (pdev->DiskMirror[1].status & UCBF_REBUILD) )
|
| 1396 |
|
|
{
|
| 1397 |
|
|
if ( pdev->DiskMirror[0].status & UCBF_REBUILD )
|
| 1398 |
|
|
pdev->mirrorRecon = 0;
|
| 1399 |
|
|
else
|
| 1400 |
|
|
pdev->mirrorRecon = 1;
|
| 1401 |
|
|
pdev->reconOn = TRUE;
|
| 1402 |
|
|
}
|
| 1403 |
|
|
break;
|
| 1404 |
|
|
}
|
| 1405 |
|
|
|
| 1406 |
|
|
if ( !pdev->reconOn )
|
| 1407 |
|
|
goto reconTimerExpiry;
|
| 1408 |
|
|
|
| 1409 |
|
|
if ( padapter->bigD )
|
| 1410 |
|
|
{
|
| 1411 |
|
|
padapter->failRegister = 0;
|
| 1412 |
|
|
outb_p (~padapter->failRegister, padapter->regFail);
|
| 1413 |
|
|
}
|
| 1414 |
|
|
else
|
| 1415 |
|
|
{
|
| 1416 |
|
|
zc = ((inb_p (padapter->regStatSel) >> 3) | inb_p (padapter->regStatSel)) & 0x83; // mute the alarm
|
| 1417 |
|
|
outb_p (0xFF, padapter->regFail);
|
| 1418 |
|
|
}
|
| 1419 |
|
|
|
| 1420 |
|
|
while ( 1 )
|
| 1421 |
|
|
{
|
| 1422 |
|
|
DEB (printk ("\npci2220i: hard reset issue"));
|
| 1423 |
|
|
if ( HardReset (padapter, pdev, pdev->spigots[pdev->mirrorRecon]) )
|
| 1424 |
|
|
{
|
| 1425 |
|
|
DEB (printk ("\npci2220i: sub 1"));
|
| 1426 |
|
|
break;
|
| 1427 |
|
|
}
|
| 1428 |
|
|
|
| 1429 |
|
|
pdev->lastsectorlba[pdev->mirrorRecon] = InlineIdentify (padapter, pdev->spigots[pdev->mirrorRecon], pdev->deviceID[pdev->mirrorRecon] & 1);
|
| 1430 |
|
|
|
| 1431 |
|
|
if ( pdev->lastsectorlba[pdev->mirrorRecon] < testsize )
|
| 1432 |
|
|
{
|
| 1433 |
|
|
DEB (printk ("\npci2220i: sub 2 %ld %ld", pdev->lastsectorlba[pdev->mirrorRecon], testsize));
|
| 1434 |
|
|
break;
|
| 1435 |
|
|
}
|
| 1436 |
|
|
|
| 1437 |
|
|
// test LBA and multiper sector transfer compatability
|
| 1438 |
|
|
if (!pid->SupportLBA || (pid->NumSectorsPerInt < SECTORSXFER) || !pid->Valid_64_70 )
|
| 1439 |
|
|
{
|
| 1440 |
|
|
DEB (printk ("\npci2220i: sub 3"));
|
| 1441 |
|
|
break;
|
| 1442 |
|
|
}
|
| 1443 |
|
|
|
| 1444 |
|
|
// test PIO/bus matering mode compatability
|
| 1445 |
|
|
if ( (pid->MinPIOCycleWithoutFlow > 240) && !pid->SupportIORDYDisable && !padapter->timingPIO )
|
| 1446 |
|
|
{
|
| 1447 |
|
|
DEB (printk ("\npci2220i: sub 4"));
|
| 1448 |
|
|
break;
|
| 1449 |
|
|
}
|
| 1450 |
|
|
|
| 1451 |
|
|
if ( pid->MinPIOCycleWithoutFlow <= 120 ) // setup timing mode of drive
|
| 1452 |
|
|
minmode = 5;
|
| 1453 |
|
|
else
|
| 1454 |
|
|
{
|
| 1455 |
|
|
if ( pid->MinPIOCylceWithFlow <= 150 )
|
| 1456 |
|
|
minmode = 4;
|
| 1457 |
|
|
else
|
| 1458 |
|
|
{
|
| 1459 |
|
|
if ( pid->MinPIOCylceWithFlow <= 180 )
|
| 1460 |
|
|
minmode = 3;
|
| 1461 |
|
|
else
|
| 1462 |
|
|
{
|
| 1463 |
|
|
if ( pid->MinPIOCylceWithFlow <= 240 )
|
| 1464 |
|
|
minmode = 2;
|
| 1465 |
|
|
else
|
| 1466 |
|
|
{
|
| 1467 |
|
|
DEB (printk ("\npci2220i: sub 5"));
|
| 1468 |
|
|
break;
|
| 1469 |
|
|
}
|
| 1470 |
|
|
}
|
| 1471 |
|
|
}
|
| 1472 |
|
|
}
|
| 1473 |
|
|
|
| 1474 |
|
|
if ( padapter->timingMode > minmode ) // set minimum timing mode
|
| 1475 |
|
|
padapter->timingMode = minmode;
|
| 1476 |
|
|
if ( padapter->timingMode >= 2 )
|
| 1477 |
|
|
padapter->timingAddress = ModeArray[padapter->timingMode - 2];
|
| 1478 |
|
|
else
|
| 1479 |
|
|
padapter->timingPIO = TRUE;
|
| 1480 |
|
|
|
| 1481 |
|
|
padapter->reconOn = TRUE;
|
| 1482 |
|
|
break;
|
| 1483 |
|
|
}
|
| 1484 |
|
|
|
| 1485 |
|
|
if ( !pdev->reconOn )
|
| 1486 |
|
|
{
|
| 1487 |
|
|
padapter->survivor = pdev->mirrorRecon ^ 1;
|
| 1488 |
|
|
padapter->reconPhase = RECON_PHASE_FAILOVER;
|
| 1489 |
|
|
DEB (printk ("\npci2220i: FAILURE 7"));
|
| 1490 |
|
|
InitFailover (padapter, pdev);
|
| 1491 |
|
|
goto reconTimerExpiry;
|
| 1492 |
|
|
}
|
| 1493 |
|
|
|
| 1494 |
|
|
pdev->raid = TRUE;
|
| 1495 |
|
|
|
| 1496 |
|
|
if ( WriteSignature (padapter, pdev, pdev->spigot, pdev->mirrorRecon ^ 1) )
|
| 1497 |
|
|
goto reconTimerExpiry;
|
| 1498 |
|
|
padapter->reconPhase = RECON_PHASE_MARKING;
|
| 1499 |
|
|
goto reconTimerExpiry;
|
| 1500 |
|
|
}
|
| 1501 |
|
|
|
| 1502 |
|
|
//**********************************
|
| 1503 |
|
|
// reconstruct copy starts here
|
| 1504 |
|
|
//**********************************
|
| 1505 |
|
|
if ( pdev->reconCount++ > 2000 )
|
| 1506 |
|
|
{
|
| 1507 |
|
|
pdev->reconCount = 0;
|
| 1508 |
|
|
if ( WriteSignature (padapter, pdev, pdev->spigots[pdev->mirrorRecon], pdev->mirrorRecon) )
|
| 1509 |
|
|
{
|
| 1510 |
|
|
padapter->survivor = pdev->mirrorRecon ^ 1;
|
| 1511 |
|
|
padapter->reconPhase = RECON_PHASE_FAILOVER;
|
| 1512 |
|
|
DEB (printk ("\npci2220i: FAILURE 8"));
|
| 1513 |
|
|
InitFailover (padapter, pdev);
|
| 1514 |
|
|
goto reconTimerExpiry;
|
| 1515 |
|
|
}
|
| 1516 |
|
|
padapter->reconPhase = RECON_PHASE_UPDATE;
|
| 1517 |
|
|
goto reconTimerExpiry;
|
| 1518 |
|
|
}
|
| 1519 |
|
|
|
| 1520 |
|
|
zl = pdev->DiskMirror[pdev->mirrorRecon].reconstructPoint;
|
| 1521 |
|
|
padapter->reconSize = pdev->DiskMirror[pdev->mirrorRecon ^ 1].reconstructPoint - zl;
|
| 1522 |
|
|
if ( padapter->reconSize > MAX_BUS_MASTER_BLOCKS )
|
| 1523 |
|
|
padapter->reconSize = MAX_BUS_MASTER_BLOCKS;
|
| 1524 |
|
|
|
| 1525 |
|
|
if ( padapter->reconSize )
|
| 1526 |
|
|
{
|
| 1527 |
|
|
SelectSpigot (padapter, pdev->spigots[0] | pdev->spigots[1]); // select the spigots
|
| 1528 |
|
|
outb_p (pdev->byte6 | ((UCHAR *)(&zl))[3], padapter->regLba24); // select the drive
|
| 1529 |
|
|
SelectSpigot (padapter, pdev->spigot);
|
| 1530 |
|
|
if ( WaitReady (padapter) )
|
| 1531 |
|
|
goto reconTimerExpiry;
|
| 1532 |
|
|
|
| 1533 |
|
|
SelectSpigot (padapter, pdev->spigots[pdev->mirrorRecon]);
|
| 1534 |
|
|
if ( WaitReady (padapter) )
|
| 1535 |
|
|
{
|
| 1536 |
|
|
padapter->survivor = pdev->mirrorRecon ^ 1;
|
| 1537 |
|
|
padapter->reconPhase = RECON_PHASE_FAILOVER;
|
| 1538 |
|
|
DEB (printk ("\npci2220i: FAILURE 9"));
|
| 1539 |
|
|
InitFailover (padapter, pdev);
|
| 1540 |
|
|
goto reconTimerExpiry;
|
| 1541 |
|
|
}
|
| 1542 |
|
|
|
| 1543 |
|
|
SelectSpigot (padapter, pdev->spigots[0] | pdev->spigots[1]);
|
| 1544 |
|
|
outb_p (padapter->reconSize & 0xFF, padapter->regSectCount);
|
| 1545 |
|
|
outb_p (((UCHAR *)(&zl))[0], padapter->regLba0);
|
| 1546 |
|
|
outb_p (((UCHAR *)(&zl))[1], padapter->regLba8);
|
| 1547 |
|
|
outb_p (((UCHAR *)(&zl))[2], padapter->regLba16);
|
| 1548 |
|
|
padapter->expectingIRQ = TRUE;
|
| 1549 |
|
|
padapter->reconPhase = RECON_PHASE_READY;
|
| 1550 |
|
|
SelectSpigot (padapter, pdev->spigots[pdev->mirrorRecon]);
|
| 1551 |
|
|
WriteCommand (padapter, WRITE_CMD);
|
| 1552 |
|
|
StartTimer (padapter);
|
| 1553 |
|
|
SelectSpigot (padapter, pdev->spigot);
|
| 1554 |
|
|
WriteCommand (padapter, READ_CMD);
|
| 1555 |
|
|
goto reconTimerExpiry;
|
| 1556 |
|
|
}
|
| 1557 |
|
|
|
| 1558 |
|
|
pdev->DiskMirror[pdev->mirrorRecon].status = UCBF_MIRRORED | UCBF_MATCHED;
|
| 1559 |
|
|
pdev->DiskMirror[pdev->mirrorRecon ^ 1].status = UCBF_MIRRORED | UCBF_MATCHED;
|
| 1560 |
|
|
if ( WriteSignature (padapter, pdev, pdev->spigot, pdev->mirrorRecon ^ 1) )
|
| 1561 |
|
|
goto reconTimerExpiry;
|
| 1562 |
|
|
padapter->reconPhase = RECON_PHASE_LAST;
|
| 1563 |
|
|
|
| 1564 |
|
|
reconTimerExpiry:;
|
| 1565 |
|
|
/*
|
| 1566 |
|
|
* Release the I/O spinlock and restore the original flags
|
| 1567 |
|
|
* which will enable interrupts if and only if they were
|
| 1568 |
|
|
* enabled on entry.
|
| 1569 |
|
|
*/
|
| 1570 |
|
|
spin_unlock_irqrestore (&io_request_lock, flags);
|
| 1571 |
|
|
}
|
| 1572 |
|
|
/****************************************************************
|
| 1573 |
|
|
* Name: Irq_Handler :LOCAL
|
| 1574 |
|
|
*
|
| 1575 |
|
|
* Description: Interrupt handler.
|
| 1576 |
|
|
*
|
| 1577 |
|
|
* Parameters: irq - Hardware IRQ number.
|
| 1578 |
|
|
* dev_id -
|
| 1579 |
|
|
* regs -
|
| 1580 |
|
|
*
|
| 1581 |
|
|
* Returns: TRUE if drive is not ready in time.
|
| 1582 |
|
|
*
|
| 1583 |
|
|
****************************************************************/
|
| 1584 |
|
|
static void Irq_Handler (int irq, void *dev_id, struct pt_regs *regs)
|
| 1585 |
|
|
{
|
| 1586 |
|
|
struct Scsi_Host *shost = NULL; // Pointer to host data block
|
| 1587 |
|
|
PADAPTER2220I padapter; // Pointer to adapter control structure
|
| 1588 |
|
|
POUR_DEVICE pdev;
|
| 1589 |
|
|
Scsi_Cmnd *SCpnt;
|
| 1590 |
|
|
UCHAR status;
|
| 1591 |
|
|
UCHAR status1;
|
| 1592 |
|
|
ATAPI_STATUS statusa;
|
| 1593 |
|
|
ATAPI_REASON reasona;
|
| 1594 |
|
|
ATAPI_ERROR errora;
|
| 1595 |
|
|
int z;
|
| 1596 |
|
|
ULONG zl;
|
| 1597 |
|
|
unsigned long flags;
|
| 1598 |
|
|
|
| 1599 |
|
|
/*
|
| 1600 |
|
|
* Disable interrupts, if they aren't already disabled and acquire
|
| 1601 |
|
|
* the I/O spinlock.
|
| 1602 |
|
|
*/
|
| 1603 |
|
|
spin_lock_irqsave (&io_request_lock, flags);
|
| 1604 |
|
|
|
| 1605 |
|
|
// DEB (printk ("\npci2220i received interrupt\n"));
|
| 1606 |
|
|
|
| 1607 |
|
|
for ( z = 0; z < NumAdapters; z++ ) // scan for interrupt to process
|
| 1608 |
|
|
{
|
| 1609 |
|
|
if ( PsiHost[z]->irq == (UCHAR)(irq & 0xFF) )
|
| 1610 |
|
|
{
|
| 1611 |
|
|
if ( inw_p (HOSTDATA(PsiHost[z])->regIrqControl) & 0x8000 )
|
| 1612 |
|
|
{
|
| 1613 |
|
|
shost = PsiHost[z];
|
| 1614 |
|
|
break;
|
| 1615 |
|
|
}
|
| 1616 |
|
|
}
|
| 1617 |
|
|
}
|
| 1618 |
|
|
|
| 1619 |
|
|
if ( !shost )
|
| 1620 |
|
|
{
|
| 1621 |
|
|
DEB (printk ("\npci2220i: not my interrupt"));
|
| 1622 |
|
|
goto irq_return;
|
| 1623 |
|
|
}
|
| 1624 |
|
|
|
| 1625 |
|
|
padapter = HOSTDATA(shost);
|
| 1626 |
|
|
pdev = padapter->pdev;
|
| 1627 |
|
|
SCpnt = padapter->SCpnt;
|
| 1628 |
|
|
outb_p (0x08, padapter->regDmaCmdStat); // cancel interrupt from DMA engine
|
| 1629 |
|
|
|
| 1630 |
|
|
if ( padapter->atapi && SCpnt )
|
| 1631 |
|
|
{
|
| 1632 |
|
|
*(char *)&statusa = inb_p (padapter->regStatCmd); // read the device status
|
| 1633 |
|
|
*(char *)&reasona = inb_p (padapter->regSectCount); // read the device interrupt reason
|
| 1634 |
|
|
|
| 1635 |
|
|
if ( !statusa.bsy )
|
| 1636 |
|
|
{
|
| 1637 |
|
|
if ( statusa.drq ) // test for transfer phase
|
| 1638 |
|
|
{
|
| 1639 |
|
|
if ( !reasona.cod ) // test for data phase
|
| 1640 |
|
|
{
|
| 1641 |
|
|
z = (ULONG)inb_p (padapter->regLba8) | (ULONG)(inb_p (padapter->regLba16) << 8);
|
| 1642 |
|
|
if ( padapter->reqSense )
|
| 1643 |
|
|
insw (padapter->regData, SCpnt->sense_buffer, z / 2);
|
| 1644 |
|
|
else
|
| 1645 |
|
|
AtapiBusMaster (padapter, reasona.io, z);
|
| 1646 |
|
|
goto irq_return;
|
| 1647 |
|
|
}
|
| 1648 |
|
|
if ( reasona.cod && !reasona.io ) // test for command packet phase
|
| 1649 |
|
|
{
|
| 1650 |
|
|
if ( padapter->reqSense )
|
| 1651 |
|
|
AtapiRequestSense (padapter, pdev, SCpnt, TRUE);
|
| 1652 |
|
|
else
|
| 1653 |
|
|
AtapiSendCdb (padapter, pdev, padapter->atapiCdb);
|
| 1654 |
|
|
goto irq_return;
|
| 1655 |
|
|
}
|
| 1656 |
|
|
}
|
| 1657 |
|
|
else
|
| 1658 |
|
|
{
|
| 1659 |
|
|
if ( reasona.io && statusa.drdy ) // test for status phase
|
| 1660 |
|
|
{
|
| 1661 |
|
|
Atapi2Scsi (padapter, SCpnt);
|
| 1662 |
|
|
if ( statusa.check )
|
| 1663 |
|
|
{
|
| 1664 |
|
|
*(UCHAR *)&errora = inb_p (padapter->regError); // read the device error
|
| 1665 |
|
|
if ( errora.senseKey )
|
| 1666 |
|
|
{
|
| 1667 |
|
|
if ( padapter->reqSense || AtapiRequestSense (padapter, pdev, SCpnt, FALSE) )
|
| 1668 |
|
|
OpDone (padapter, DID_ERROR << 16);
|
| 1669 |
|
|
}
|
| 1670 |
|
|
else
|
| 1671 |
|
|
{
|
| 1672 |
|
|
if ( errora.ili || errora.abort )
|
| 1673 |
|
|
OpDone (padapter, DID_ERROR << 16);
|
| 1674 |
|
|
else
|
| 1675 |
|
|
OpDone (padapter, DID_OK << 16);
|
| 1676 |
|
|
}
|
| 1677 |
|
|
}
|
| 1678 |
|
|
else
|
| 1679 |
|
|
if ( padapter->reqSense )
|
| 1680 |
|
|
{
|
| 1681 |
|
|
DEB (printk ("PCI2242I: Sense codes - %X %X %X ", ((UCHAR *)SCpnt->sense_buffer)[0], ((UCHAR *)SCpnt->sense_buffer)[12], ((UCHAR *)SCpnt->sense_buffer)[13]));
|
| 1682 |
|
|
OpDone (padapter, (DRIVER_SENSE << 24) | (DID_OK << 16) | 2);
|
| 1683 |
|
|
}
|
| 1684 |
|
|
else
|
| 1685 |
|
|
OpDone (padapter, DID_OK << 16);
|
| 1686 |
|
|
}
|
| 1687 |
|
|
}
|
| 1688 |
|
|
}
|
| 1689 |
|
|
goto irq_return;
|
| 1690 |
|
|
}
|
| 1691 |
|
|
|
| 1692 |
|
|
if ( !padapter->expectingIRQ || !(SCpnt || padapter->reconPhase) )
|
| 1693 |
|
|
{
|
| 1694 |
|
|
DEB(printk ("\npci2220i Unsolicited interrupt\n"));
|
| 1695 |
|
|
STOP_HERE ();
|
| 1696 |
|
|
goto irq_return;
|
| 1697 |
|
|
}
|
| 1698 |
|
|
padapter->expectingIRQ = 0;
|
| 1699 |
|
|
|
| 1700 |
|
|
if ( padapter->failinprog )
|
| 1701 |
|
|
{
|
| 1702 |
|
|
DEB (printk ("\npci2220i interrupt failover complete"));
|
| 1703 |
|
|
padapter->failinprog = FALSE;
|
| 1704 |
|
|
status = inb_p (padapter->regStatCmd); // read the device status
|
| 1705 |
|
|
if ( status & (IDE_STATUS_ERROR | IDE_STATUS_WRITE_FAULT) )
|
| 1706 |
|
|
{
|
| 1707 |
|
|
DEB (printk ("\npci2220i: interrupt failover error from drive %X", status));
|
| 1708 |
|
|
padapter->cmd = 0;
|
| 1709 |
|
|
}
|
| 1710 |
|
|
else
|
| 1711 |
|
|
{
|
| 1712 |
|
|
DEB (printk ("\npci2220i: restarting failed opertation."));
|
| 1713 |
|
|
pdev->spigot = (padapter->survivor) ? pdev->spigots[1] : pdev->spigots[0];
|
| 1714 |
|
|
del_timer (&padapter->timer);
|
| 1715 |
|
|
if ( padapter->reconPhase )
|
| 1716 |
|
|
OpDone (padapter, DID_OK << 16);
|
| 1717 |
|
|
else
|
| 1718 |
|
|
Pci2220i_QueueCommand (SCpnt, SCpnt->scsi_done);
|
| 1719 |
|
|
goto irq_return;
|
| 1720 |
|
|
}
|
| 1721 |
|
|
}
|
| 1722 |
|
|
|
| 1723 |
|
|
if ( padapter->reconPhase )
|
| 1724 |
|
|
{
|
| 1725 |
|
|
switch ( padapter->reconPhase )
|
| 1726 |
|
|
{
|
| 1727 |
|
|
case RECON_PHASE_MARKING:
|
| 1728 |
|
|
case RECON_PHASE_LAST:
|
| 1729 |
|
|
status = inb_p (padapter->regStatCmd); // read the device status
|
| 1730 |
|
|
del_timer (&padapter->timer);
|
| 1731 |
|
|
if ( padapter->reconPhase == RECON_PHASE_LAST )
|
| 1732 |
|
|
{
|
| 1733 |
|
|
if ( status & (IDE_STATUS_ERROR | IDE_STATUS_WRITE_FAULT) )
|
| 1734 |
|
|
{
|
| 1735 |
|
|
padapter->survivor = ( pdev->spigot == pdev->spigots[0] ) ? 1 : 0;
|
| 1736 |
|
|
DEB (printk ("\npci2220i: FAILURE 10"));
|
| 1737 |
|
|
if ( InitFailover (padapter, pdev) )
|
| 1738 |
|
|
OpDone (padapter, DecodeError (padapter, status));
|
| 1739 |
|
|
goto irq_return;
|
| 1740 |
|
|
}
|
| 1741 |
|
|
if ( WriteSignature (padapter, pdev, pdev->spigots[pdev->mirrorRecon], pdev->mirrorRecon) )
|
| 1742 |
|
|
{
|
| 1743 |
|
|
padapter->survivor = ( pdev->spigot == pdev->spigots[0] ) ? 0 : 1;
|
| 1744 |
|
|
DEB (printk ("\npci2220i: FAILURE 11"));
|
| 1745 |
|
|
if ( InitFailover (padapter, pdev) )
|
| 1746 |
|
|
OpDone (padapter, DecodeError (padapter, status));
|
| 1747 |
|
|
goto irq_return;
|
| 1748 |
|
|
}
|
| 1749 |
|
|
padapter->reconPhase = RECON_PHASE_END;
|
| 1750 |
|
|
goto irq_return;
|
| 1751 |
|
|
}
|
| 1752 |
|
|
OpDone (padapter, DID_OK << 16);
|
| 1753 |
|
|
goto irq_return;
|
| 1754 |
|
|
|
| 1755 |
|
|
case RECON_PHASE_READY:
|
| 1756 |
|
|
status = inb_p (padapter->regStatCmd); // read the device status
|
| 1757 |
|
|
if ( status & (IDE_STATUS_ERROR | IDE_STATUS_WRITE_FAULT) )
|
| 1758 |
|
|
{
|
| 1759 |
|
|
del_timer (&padapter->timer);
|
| 1760 |
|
|
OpDone (padapter, DecodeError (padapter, status));
|
| 1761 |
|
|
goto irq_return;
|
| 1762 |
|
|
}
|
| 1763 |
|
|
SelectSpigot (padapter, pdev->spigots[pdev->mirrorRecon]);
|
| 1764 |
|
|
if ( WaitDrq (padapter) )
|
| 1765 |
|
|
{
|
| 1766 |
|
|
del_timer (&padapter->timer);
|
| 1767 |
|
|
padapter->survivor = ( pdev->spigot == pdev->spigots[0] ) ? 0 : 1;
|
| 1768 |
|
|
DEB (printk ("\npci2220i: FAILURE 12"));
|
| 1769 |
|
|
if ( InitFailover (padapter, pdev) )
|
| 1770 |
|
|
OpDone (padapter, DecodeError (padapter, status));
|
| 1771 |
|
|
goto irq_return;
|
| 1772 |
|
|
}
|
| 1773 |
|
|
SelectSpigot (padapter, pdev->spigot | SEL_COPY | padapter->bigD);
|
| 1774 |
|
|
padapter->reconPhase = RECON_PHASE_COPY;
|
| 1775 |
|
|
padapter->expectingIRQ = TRUE;
|
| 1776 |
|
|
if ( padapter->timingPIO )
|
| 1777 |
|
|
{
|
| 1778 |
|
|
insw (padapter->regData, padapter->kBuffer, padapter->reconSize * (BYTES_PER_SECTOR / 2));
|
| 1779 |
|
|
}
|
| 1780 |
|
|
else
|
| 1781 |
|
|
{
|
| 1782 |
|
|
if ( (padapter->timingMode > 3) )
|
| 1783 |
|
|
{
|
| 1784 |
|
|
if ( padapter->bigD )
|
| 1785 |
|
|
outl (BIGD_DATA_MODE3, padapter->regDmaAddrLoc);
|
| 1786 |
|
|
else
|
| 1787 |
|
|
outl (DALE_DATA_MODE3, padapter->regDmaAddrLoc);
|
| 1788 |
|
|
}
|
| 1789 |
|
|
else
|
| 1790 |
|
|
outl (padapter->timingAddress, padapter->regDmaAddrLoc);
|
| 1791 |
|
|
outl (padapter->kBufferDma, padapter->regDmaAddrPci);
|
| 1792 |
|
|
outl (padapter->reconSize * BYTES_PER_SECTOR, padapter->regDmaCount);
|
| 1793 |
|
|
outb_p (8, padapter->regDmaDesc); // read operation
|
| 1794 |
|
|
if ( padapter->bigD )
|
| 1795 |
|
|
outb_p (8, padapter->regDmaMode); // no interrupt
|
| 1796 |
|
|
else
|
| 1797 |
|
|
outb_p (1, padapter->regDmaMode); // no interrupt
|
| 1798 |
|
|
outb_p (0x03, padapter->regDmaCmdStat); // kick the DMA engine in gear
|
| 1799 |
|
|
}
|
| 1800 |
|
|
goto irq_return;
|
| 1801 |
|
|
|
| 1802 |
|
|
case RECON_PHASE_COPY:
|
| 1803 |
|
|
pdev->DiskMirror[pdev->mirrorRecon].reconstructPoint += padapter->reconSize;
|
| 1804 |
|
|
|
| 1805 |
|
|
case RECON_PHASE_UPDATE:
|
| 1806 |
|
|
SelectSpigot (padapter, pdev->spigots[pdev->mirrorRecon] | SEL_IRQ_OFF);
|
| 1807 |
|
|
status = inb_p (padapter->regStatCmd); // read the device status
|
| 1808 |
|
|
del_timer (&padapter->timer);
|
| 1809 |
|
|
if ( status & (IDE_STATUS_ERROR | IDE_STATUS_WRITE_FAULT) )
|
| 1810 |
|
|
{
|
| 1811 |
|
|
padapter->survivor = ( pdev->spigot == pdev->spigots[0] ) ? 0 : 1;
|
| 1812 |
|
|
DEB (printk ("\npci2220i: FAILURE 13"));
|
| 1813 |
|
|
DEB (printk ("\n status register = %X error = %X", status, inb_p (padapter->regError)));
|
| 1814 |
|
|
if ( InitFailover (padapter, pdev) )
|
| 1815 |
|
|
OpDone (padapter, DecodeError (padapter, status));
|
| 1816 |
|
|
goto irq_return;
|
| 1817 |
|
|
}
|
| 1818 |
|
|
OpDone (padapter, DID_OK << 16);
|
| 1819 |
|
|
goto irq_return;
|
| 1820 |
|
|
|
| 1821 |
|
|
case RECON_PHASE_END:
|
| 1822 |
|
|
status = inb_p (padapter->regStatCmd); // read the device status
|
| 1823 |
|
|
del_timer (&padapter->timer);
|
| 1824 |
|
|
if ( status & (IDE_STATUS_ERROR | IDE_STATUS_WRITE_FAULT) )
|
| 1825 |
|
|
{
|
| 1826 |
|
|
padapter->survivor = ( pdev->spigot == pdev->spigots[0] ) ? 0 : 1;
|
| 1827 |
|
|
DEB (printk ("\npci2220i: FAILURE 14"));
|
| 1828 |
|
|
if ( InitFailover (padapter, pdev) )
|
| 1829 |
|
|
OpDone (padapter, DecodeError (padapter, status));
|
| 1830 |
|
|
goto irq_return;
|
| 1831 |
|
|
}
|
| 1832 |
|
|
pdev->reconOn = 0;
|
| 1833 |
|
|
if ( padapter->bigD )
|
| 1834 |
|
|
{
|
| 1835 |
|
|
for ( z = 0; z < padapter->numberOfDrives; z++ )
|
| 1836 |
|
|
{
|
| 1837 |
|
|
if ( padapter->device[z].DiskMirror[0].status & UCBF_SURVIVOR )
|
| 1838 |
|
|
{
|
| 1839 |
|
|
Alarm (padapter, padapter->device[z].deviceID[0] ^ 2);
|
| 1840 |
|
|
MuteAlarm (padapter);
|
| 1841 |
|
|
}
|
| 1842 |
|
|
if ( padapter->device[z].DiskMirror[1].status & UCBF_SURVIVOR )
|
| 1843 |
|
|
{
|
| 1844 |
|
|
Alarm (padapter, padapter->device[z].deviceID[1] ^ 2);
|
| 1845 |
|
|
MuteAlarm (padapter);
|
| 1846 |
|
|
}
|
| 1847 |
|
|
}
|
| 1848 |
|
|
}
|
| 1849 |
|
|
OpDone (padapter, DID_OK << 16);
|
| 1850 |
|
|
goto irq_return;
|
| 1851 |
|
|
|
| 1852 |
|
|
default:
|
| 1853 |
|
|
goto irq_return;
|
| 1854 |
|
|
}
|
| 1855 |
|
|
}
|
| 1856 |
|
|
|
| 1857 |
|
|
switch ( padapter->cmd ) // decide how to handle the interrupt
|
| 1858 |
|
|
{
|
| 1859 |
|
|
case READ_CMD:
|
| 1860 |
|
|
if ( padapter->sectorCount )
|
| 1861 |
|
|
{
|
| 1862 |
|
|
status = inb_p (padapter->regStatCmd); // read the device status
|
| 1863 |
|
|
if ( status & (IDE_STATUS_ERROR | IDE_STATUS_WRITE_FAULT) )
|
| 1864 |
|
|
{
|
| 1865 |
|
|
if ( pdev->raid )
|
| 1866 |
|
|
{
|
| 1867 |
|
|
padapter->survivor = ( pdev->spigot == pdev->spigots[0] ) ? 1 : 0;
|
| 1868 |
|
|
del_timer (&padapter->timer);
|
| 1869 |
|
|
DEB (printk ("\npci2220i: FAILURE 15"));
|
| 1870 |
|
|
if ( !InitFailover (padapter, pdev) )
|
| 1871 |
|
|
goto irq_return;
|
| 1872 |
|
|
}
|
| 1873 |
|
|
break;
|
| 1874 |
|
|
}
|
| 1875 |
|
|
if ( padapter->timingPIO )
|
| 1876 |
|
|
{
|
| 1877 |
|
|
insw (padapter->regData, padapter->kBuffer, padapter->readCount / 2);
|
| 1878 |
|
|
padapter->sectorCount -= padapter->readCount / BYTES_PER_SECTOR;
|
| 1879 |
|
|
WalkScatGath (padapter, TRUE, padapter->readCount);
|
| 1880 |
|
|
if ( !padapter->sectorCount )
|
| 1881 |
|
|
{
|
| 1882 |
|
|
status = 0;
|
| 1883 |
|
|
break;
|
| 1884 |
|
|
}
|
| 1885 |
|
|
}
|
| 1886 |
|
|
else
|
| 1887 |
|
|
{
|
| 1888 |
|
|
if ( padapter->readCount )
|
| 1889 |
|
|
WalkScatGath (padapter, TRUE, padapter->readCount);
|
| 1890 |
|
|
BusMaster (padapter, 1, 1);
|
| 1891 |
|
|
}
|
| 1892 |
|
|
padapter->expectingIRQ = TRUE;
|
| 1893 |
|
|
goto irq_return;
|
| 1894 |
|
|
}
|
| 1895 |
|
|
if ( padapter->readCount && !padapter->timingPIO )
|
| 1896 |
|
|
WalkScatGath (padapter, TRUE, padapter->readCount);
|
| 1897 |
|
|
status = 0;
|
| 1898 |
|
|
break;
|
| 1899 |
|
|
|
| 1900 |
|
|
case WRITE_CMD:
|
| 1901 |
|
|
if ( pdev->raid )
|
| 1902 |
|
|
{
|
| 1903 |
|
|
SelectSpigot (padapter, pdev->spigots[0] | SEL_IRQ_OFF);
|
| 1904 |
|
|
status = inb_p (padapter->regStatCmd); // read the device status
|
| 1905 |
|
|
SelectSpigot (padapter, pdev->spigots[1] | SEL_IRQ_OFF);
|
| 1906 |
|
|
status1 = inb_p (padapter->regStatCmd); // read the device status
|
| 1907 |
|
|
}
|
| 1908 |
|
|
else
|
| 1909 |
|
|
SelectSpigot (padapter, pdev->spigot | SEL_IRQ_OFF);
|
| 1910 |
|
|
status = inb_p (padapter->regStatCmd); // read the device status
|
| 1911 |
|
|
status1 = 0;
|
| 1912 |
|
|
|
| 1913 |
|
|
if ( status & (IDE_STATUS_ERROR | IDE_STATUS_WRITE_FAULT) )
|
| 1914 |
|
|
{
|
| 1915 |
|
|
if ( pdev->raid && !(status1 & (IDE_STATUS_ERROR | IDE_STATUS_WRITE_FAULT)) )
|
| 1916 |
|
|
{
|
| 1917 |
|
|
padapter->survivor = 1;
|
| 1918 |
|
|
del_timer (&padapter->timer);
|
| 1919 |
|
|
SelectSpigot (padapter, pdev->spigot | SEL_IRQ_OFF);
|
| 1920 |
|
|
DEB (printk ("\npci2220i: FAILURE 16 status = %X error = %X", status, inb_p (padapter->regError)));
|
| 1921 |
|
|
if ( !InitFailover (padapter, pdev) )
|
| 1922 |
|
|
goto irq_return;
|
| 1923 |
|
|
}
|
| 1924 |
|
|
break;
|
| 1925 |
|
|
}
|
| 1926 |
|
|
if ( pdev->raid )
|
| 1927 |
|
|
{
|
| 1928 |
|
|
if ( status1 & (IDE_STATUS_ERROR | IDE_STATUS_WRITE_FAULT) )
|
| 1929 |
|
|
{
|
| 1930 |
|
|
padapter->survivor = 0;
|
| 1931 |
|
|
del_timer (&padapter->timer);
|
| 1932 |
|
|
DEB (printk ("\npci2220i: FAILURE 17 status = %X error = %X", status1, inb_p (padapter->regError)));
|
| 1933 |
|
|
if ( !InitFailover (padapter, pdev) )
|
| 1934 |
|
|
goto irq_return;
|
| 1935 |
|
|
status = status1;
|
| 1936 |
|
|
break;
|
| 1937 |
|
|
}
|
| 1938 |
|
|
if ( padapter->sectorCount )
|
| 1939 |
|
|
{
|
| 1940 |
|
|
status = WriteDataBoth (padapter, pdev);
|
| 1941 |
|
|
if ( status )
|
| 1942 |
|
|
{
|
| 1943 |
|
|
padapter->survivor = status >> 1;
|
| 1944 |
|
|
del_timer (&padapter->timer);
|
| 1945 |
|
|
DEB (printk ("\npci2220i: FAILURE 18"));
|
| 1946 |
|
|
if ( !InitFailover (padapter, pdev) )
|
| 1947 |
|
|
goto irq_return;
|
| 1948 |
|
|
SelectSpigot (padapter, pdev->spigots[status] | SEL_IRQ_OFF);
|
| 1949 |
|
|
status = inb_p (padapter->regStatCmd); // read the device status
|
| 1950 |
|
|
break;
|
| 1951 |
|
|
}
|
| 1952 |
|
|
padapter->expectingIRQ = TRUE;
|
| 1953 |
|
|
goto irq_return;
|
| 1954 |
|
|
}
|
| 1955 |
|
|
status = 0;
|
| 1956 |
|
|
break;
|
| 1957 |
|
|
}
|
| 1958 |
|
|
if ( padapter->sectorCount )
|
| 1959 |
|
|
{
|
| 1960 |
|
|
SelectSpigot (padapter, pdev->spigot | padapter->bigD);
|
| 1961 |
|
|
status = WriteData (padapter);
|
| 1962 |
|
|
if ( status )
|
| 1963 |
|
|
break;
|
| 1964 |
|
|
padapter->expectingIRQ = TRUE;
|
| 1965 |
|
|
goto irq_return;
|
| 1966 |
|
|
}
|
| 1967 |
|
|
status = 0;
|
| 1968 |
|
|
break;
|
| 1969 |
|
|
|
| 1970 |
|
|
case IDE_COMMAND_IDENTIFY:
|
| 1971 |
|
|
{
|
| 1972 |
|
|
PINQUIRYDATA pinquiryData = SCpnt->request_buffer;
|
| 1973 |
|
|
PIDENTIFY_DATA pid = (PIDENTIFY_DATA)padapter->kBuffer;
|
| 1974 |
|
|
|
| 1975 |
|
|
status = inb_p (padapter->regStatCmd);
|
| 1976 |
|
|
if ( status & IDE_STATUS_DRQ )
|
| 1977 |
|
|
{
|
| 1978 |
|
|
insw (padapter->regData, pid, sizeof (IDENTIFY_DATA) >> 1);
|
| 1979 |
|
|
|
| 1980 |
|
|
memset (pinquiryData, 0, SCpnt->request_bufflen); // Zero INQUIRY data structure.
|
| 1981 |
|
|
pinquiryData->DeviceType = 0;
|
| 1982 |
|
|
pinquiryData->Versions = 2;
|
| 1983 |
|
|
pinquiryData->AdditionalLength = 35 - 4;
|
| 1984 |
|
|
|
| 1985 |
|
|
// Fill in vendor identification fields.
|
| 1986 |
|
|
for ( z = 0; z < 20; z += 2 )
|
| 1987 |
|
|
{
|
| 1988 |
|
|
pinquiryData->VendorId[z] = ((UCHAR *)pid->ModelNumber)[z + 1];
|
| 1989 |
|
|
pinquiryData->VendorId[z + 1] = ((UCHAR *)pid->ModelNumber)[z];
|
| 1990 |
|
|
}
|
| 1991 |
|
|
|
| 1992 |
|
|
// Initialize unused portion of product id.
|
| 1993 |
|
|
for ( z = 0; z < 4; z++ )
|
| 1994 |
|
|
pinquiryData->ProductId[12 + z] = ' ';
|
| 1995 |
|
|
|
| 1996 |
|
|
// Move firmware revision from IDENTIFY data to
|
| 1997 |
|
|
// product revision in INQUIRY data.
|
| 1998 |
|
|
for ( z = 0; z < 4; z += 2 )
|
| 1999 |
|
|
{
|
| 2000 |
|
|
pinquiryData->ProductRevisionLevel[z] = ((UCHAR *)pid->FirmwareRevision)[z + 1];
|
| 2001 |
|
|
pinquiryData->ProductRevisionLevel[z + 1] = ((UCHAR *)pid->FirmwareRevision)[z];
|
| 2002 |
|
|
}
|
| 2003 |
|
|
if ( pdev == padapter->device )
|
| 2004 |
|
|
*((USHORT *)(&pinquiryData->VendorSpecific)) = DEVICE_DALE_1;
|
| 2005 |
|
|
|
| 2006 |
|
|
status = 0;
|
| 2007 |
|
|
}
|
| 2008 |
|
|
break;
|
| 2009 |
|
|
}
|
| 2010 |
|
|
|
| 2011 |
|
|
default:
|
| 2012 |
|
|
status = 0;
|
| 2013 |
|
|
break;
|
| 2014 |
|
|
}
|
| 2015 |
|
|
|
| 2016 |
|
|
del_timer (&padapter->timer);
|
| 2017 |
|
|
if ( status )
|
| 2018 |
|
|
{
|
| 2019 |
|
|
DEB (printk ("\npci2220i Interrupt handler return error"));
|
| 2020 |
|
|
zl = DecodeError (padapter, status);
|
| 2021 |
|
|
}
|
| 2022 |
|
|
else
|
| 2023 |
|
|
zl = DID_OK << 16;
|
| 2024 |
|
|
|
| 2025 |
|
|
OpDone (padapter, zl);
|
| 2026 |
|
|
irq_return:;
|
| 2027 |
|
|
/*
|
| 2028 |
|
|
* Release the I/O spinlock and restore the original flags
|
| 2029 |
|
|
* which will enable interrupts if and only if they were
|
| 2030 |
|
|
* enabled on entry.
|
| 2031 |
|
|
*/
|
| 2032 |
|
|
spin_unlock_irqrestore (&io_request_lock, flags);
|
| 2033 |
|
|
}
|
| 2034 |
|
|
/****************************************************************
|
| 2035 |
|
|
* Name: Pci2220i_QueueCommand
|
| 2036 |
|
|
*
|
| 2037 |
|
|
* Description: Process a queued command from the SCSI manager.
|
| 2038 |
|
|
*
|
| 2039 |
|
|
* Parameters: SCpnt - Pointer to SCSI command structure.
|
| 2040 |
|
|
* done - Pointer to done function to call.
|
| 2041 |
|
|
*
|
| 2042 |
|
|
* Returns: Status code.
|
| 2043 |
|
|
*
|
| 2044 |
|
|
****************************************************************/
|
| 2045 |
|
|
int Pci2220i_QueueCommand (Scsi_Cmnd *SCpnt, void (*done)(Scsi_Cmnd *))
|
| 2046 |
|
|
{
|
| 2047 |
|
|
UCHAR *cdb = (UCHAR *)SCpnt->cmnd; // Pointer to SCSI CDB
|
| 2048 |
|
|
PADAPTER2220I padapter = HOSTDATA(SCpnt->host); // Pointer to adapter control structure
|
| 2049 |
|
|
POUR_DEVICE pdev = &padapter->device[SCpnt->target];// Pointer to device information
|
| 2050 |
|
|
UCHAR rc; // command return code
|
| 2051 |
|
|
int z;
|
| 2052 |
|
|
PDEVICE_RAID1 pdr;
|
| 2053 |
|
|
|
| 2054 |
|
|
SCpnt->scsi_done = done;
|
| 2055 |
|
|
padapter->SCpnt = SCpnt; // Save this command data
|
| 2056 |
|
|
padapter->readCount = 0;
|
| 2057 |
|
|
|
| 2058 |
|
|
if ( SCpnt->use_sg )
|
| 2059 |
|
|
{
|
| 2060 |
|
|
padapter->currentSgBuffer = ((struct scatterlist *)SCpnt->request_buffer)[0].address;
|
| 2061 |
|
|
padapter->currentSgCount = ((struct scatterlist *)SCpnt->request_buffer)[0].length;
|
| 2062 |
|
|
}
|
| 2063 |
|
|
else
|
| 2064 |
|
|
{
|
| 2065 |
|
|
padapter->currentSgBuffer = SCpnt->request_buffer;
|
| 2066 |
|
|
padapter->currentSgCount = SCpnt->request_bufflen;
|
| 2067 |
|
|
}
|
| 2068 |
|
|
padapter->nextSg = 1;
|
| 2069 |
|
|
|
| 2070 |
|
|
if ( !done )
|
| 2071 |
|
|
{
|
| 2072 |
|
|
printk("pci2220i_queuecommand: %02X: done can't be NULL\n", *cdb);
|
| 2073 |
|
|
return 0;
|
| 2074 |
|
|
}
|
| 2075 |
|
|
|
| 2076 |
|
|
if ( padapter->atapi )
|
| 2077 |
|
|
{
|
| 2078 |
|
|
UCHAR zlo, zhi;
|
| 2079 |
|
|
|
| 2080 |
|
|
DEB (printk ("\nPCI2242I: ID %d, LUN %d opcode %X ", SCpnt->target, SCpnt->lun, *cdb));
|
| 2081 |
|
|
padapter->pdev = pdev;
|
| 2082 |
|
|
if ( !pdev->byte6 || SCpnt->lun )
|
| 2083 |
|
|
{
|
| 2084 |
|
|
OpDone (padapter, DID_BAD_TARGET << 16);
|
| 2085 |
|
|
return 0;
|
| 2086 |
|
|
}
|
| 2087 |
|
|
|
| 2088 |
|
|
padapter->atapiSpecial = FALSE;
|
| 2089 |
|
|
padapter->reqSense = FALSE;
|
| 2090 |
|
|
memset (padapter->atapiCdb, 0, 16);
|
| 2091 |
|
|
SelectSpigot (padapter, pdev->spigot); // select the spigot
|
| 2092 |
|
|
AtapiDevice (padapter, pdev->byte6); // select the drive
|
| 2093 |
|
|
if ( AtapiWaitReady (padapter, 100) )
|
| 2094 |
|
|
{
|
| 2095 |
|
|
OpDone (padapter, DID_NO_CONNECT << 16);
|
| 2096 |
|
|
return 0;
|
| 2097 |
|
|
}
|
| 2098 |
|
|
|
| 2099 |
|
|
switch ( cdb[0] )
|
| 2100 |
|
|
{
|
| 2101 |
|
|
case SCSIOP_MODE_SENSE:
|
| 2102 |
|
|
case SCSIOP_MODE_SELECT:
|
| 2103 |
|
|
Scsi2Atapi (padapter, SCpnt);
|
| 2104 |
|
|
z = SCpnt->request_bufflen + 4;
|
| 2105 |
|
|
break;
|
| 2106 |
|
|
case SCSIOP_READ6:
|
| 2107 |
|
|
case SCSIOP_WRITE6:
|
| 2108 |
|
|
Scsi2Atapi (padapter, SCpnt);
|
| 2109 |
|
|
z = SCpnt->request_bufflen;
|
| 2110 |
|
|
break;
|
| 2111 |
|
|
default:
|
| 2112 |
|
|
memcpy (padapter->atapiCdb, cdb, SCpnt->cmd_len);
|
| 2113 |
|
|
z = SCpnt->request_bufflen;
|
| 2114 |
|
|
break;
|
| 2115 |
|
|
}
|
| 2116 |
|
|
if ( z > ATAPI_TRANSFER )
|
| 2117 |
|
|
z = ATAPI_TRANSFER;
|
| 2118 |
|
|
zlo = (UCHAR)(z & 0xFF);
|
| 2119 |
|
|
zhi = (UCHAR)(z >> 8);
|
| 2120 |
|
|
|
| 2121 |
|
|
AtapiCountLo (padapter, zlo);
|
| 2122 |
|
|
AtapiCountHi (padapter, zhi);
|
| 2123 |
|
|
outb_p (0, padapter->regError);
|
| 2124 |
|
|
WriteCommand (padapter, IDE_COMMAND_ATAPI_PACKET);
|
| 2125 |
|
|
if ( pdev->cmdDrqInt )
|
| 2126 |
|
|
return 0;
|
| 2127 |
|
|
|
| 2128 |
|
|
if ( AtapiWaitDrq (padapter, 500) )
|
| 2129 |
|
|
{
|
| 2130 |
|
|
OpDone (padapter, DID_ERROR << 16);
|
| 2131 |
|
|
return 0;
|
| 2132 |
|
|
}
|
| 2133 |
|
|
AtapiSendCdb (padapter, pdev, padapter->atapiCdb);
|
| 2134 |
|
|
return 0;
|
| 2135 |
|
|
}
|
| 2136 |
|
|
|
| 2137 |
|
|
if ( padapter->reconPhase )
|
| 2138 |
|
|
return 0;
|
| 2139 |
|
|
if ( padapter->reconTimer.data )
|
| 2140 |
|
|
{
|
| 2141 |
|
|
del_timer (&padapter->reconTimer);
|
| 2142 |
|
|
padapter->reconTimer.data = 0;
|
| 2143 |
|
|
}
|
| 2144 |
|
|
|
| 2145 |
|
|
if ( (SCpnt->target >= padapter->numberOfDrives) || SCpnt->lun )
|
| 2146 |
|
|
{
|
| 2147 |
|
|
OpDone (padapter, DID_BAD_TARGET << 16);
|
| 2148 |
|
|
return 0;
|
| 2149 |
|
|
}
|
| 2150 |
|
|
|
| 2151 |
|
|
switch ( *cdb )
|
| 2152 |
|
|
{
|
| 2153 |
|
|
case SCSIOP_INQUIRY: // inquiry CDB
|
| 2154 |
|
|
{
|
| 2155 |
|
|
if ( cdb[2] == SC_MY_RAID )
|
| 2156 |
|
|
{
|
| 2157 |
|
|
switch ( cdb[3] )
|
| 2158 |
|
|
{
|
| 2159 |
|
|
case MY_SCSI_REBUILD:
|
| 2160 |
|
|
for ( z = 0; z < padapter->numberOfDrives; z++ )
|
| 2161 |
|
|
{
|
| 2162 |
|
|
pdev = &padapter->device[z];
|
| 2163 |
|
|
if ( ((pdev->DiskMirror[0].status & UCBF_SURVIVOR) && (pdev->DiskMirror[1].status & UCBF_MIRRORED)) ||
|
| 2164 |
|
|
((pdev->DiskMirror[1].status & UCBF_SURVIVOR) && (pdev->DiskMirror[0].status & UCBF_MIRRORED)) )
|
| 2165 |
|
|
{
|
| 2166 |
|
|
padapter->reconOn = pdev->reconOn = pdev->reconIsStarting = TRUE;
|
| 2167 |
|
|
}
|
| 2168 |
|
|
}
|
| 2169 |
|
|
OpDone (padapter, DID_OK << 16);
|
| 2170 |
|
|
break;
|
| 2171 |
|
|
case MY_SCSI_ALARMMUTE:
|
| 2172 |
|
|
MuteAlarm (padapter);
|
| 2173 |
|
|
OpDone (padapter, DID_OK << 16);
|
| 2174 |
|
|
break;
|
| 2175 |
|
|
case MY_SCSI_DEMOFAIL:
|
| 2176 |
|
|
padapter->demoFail = TRUE;
|
| 2177 |
|
|
OpDone (padapter, DID_OK << 16);
|
| 2178 |
|
|
break;
|
| 2179 |
|
|
default:
|
| 2180 |
|
|
z = cdb[5]; // get index
|
| 2181 |
|
|
pdr = (PDEVICE_RAID1)SCpnt->request_buffer;
|
| 2182 |
|
|
if ( padapter->raidData[z] )
|
| 2183 |
|
|
{
|
| 2184 |
|
|
memcpy (&pdr->DiskRaid1, padapter->raidData[z], sizeof (DISK_MIRROR));
|
| 2185 |
|
|
if ( padapter->raidData[z]->reconstructPoint > padapter->raidData[z ^ 2]->reconstructPoint )
|
| 2186 |
|
|
pdr->TotalSectors = padapter->raidData[z]->reconstructPoint;
|
| 2187 |
|
|
else
|
| 2188 |
|
|
pdr->TotalSectors = padapter->raidData[z ^ 2]->reconstructPoint;
|
| 2189 |
|
|
}
|
| 2190 |
|
|
else
|
| 2191 |
|
|
memset (pdr, 0, sizeof (DEVICE_RAID1));
|
| 2192 |
|
|
OpDone (padapter, DID_OK << 16);
|
| 2193 |
|
|
break;
|
| 2194 |
|
|
}
|
| 2195 |
|
|
return 0;
|
| 2196 |
|
|
}
|
| 2197 |
|
|
padapter->cmd = IDE_COMMAND_IDENTIFY;
|
| 2198 |
|
|
break;
|
| 2199 |
|
|
}
|
| 2200 |
|
|
|
| 2201 |
|
|
case SCSIOP_TEST_UNIT_READY: // test unit ready CDB
|
| 2202 |
|
|
OpDone (padapter, DID_OK << 16);
|
| 2203 |
|
|
return 0;
|
| 2204 |
|
|
case SCSIOP_READ_CAPACITY: // read capctiy CDB
|
| 2205 |
|
|
{
|
| 2206 |
|
|
PREAD_CAPACITY_DATA pdata = (PREAD_CAPACITY_DATA)SCpnt->request_buffer;
|
| 2207 |
|
|
|
| 2208 |
|
|
pdata->blksiz = 0x20000;
|
| 2209 |
|
|
XANY2SCSI ((UCHAR *)&pdata->blks, pdev->blocks);
|
| 2210 |
|
|
OpDone (padapter, DID_OK << 16);
|
| 2211 |
|
|
return 0;
|
| 2212 |
|
|
}
|
| 2213 |
|
|
case SCSIOP_VERIFY: // verify CDB
|
| 2214 |
|
|
padapter->startSector = XSCSI2LONG (&cdb[2]);
|
| 2215 |
|
|
padapter->sectorCount = (UCHAR)((USHORT)cdb[8] | ((USHORT)cdb[7] << 8));
|
| 2216 |
|
|
padapter->cmd = IDE_COMMAND_VERIFY;
|
| 2217 |
|
|
break;
|
| 2218 |
|
|
case SCSIOP_READ: // read10 CDB
|
| 2219 |
|
|
padapter->startSector = XSCSI2LONG (&cdb[2]);
|
| 2220 |
|
|
padapter->sectorCount = (USHORT)cdb[8] | ((USHORT)cdb[7] << 8);
|
| 2221 |
|
|
padapter->cmd = READ_CMD;
|
| 2222 |
|
|
break;
|
| 2223 |
|
|
case SCSIOP_READ6: // read6 CDB
|
| 2224 |
|
|
padapter->startSector = SCSI2LONG (&cdb[1]);
|
| 2225 |
|
|
padapter->sectorCount = cdb[4];
|
| 2226 |
|
|
padapter->cmd = READ_CMD;
|
| 2227 |
|
|
break;
|
| 2228 |
|
|
case SCSIOP_WRITE: // write10 CDB
|
| 2229 |
|
|
padapter->startSector = XSCSI2LONG (&cdb[2]);
|
| 2230 |
|
|
padapter->sectorCount = (USHORT)cdb[8] | ((USHORT)cdb[7] << 8);
|
| 2231 |
|
|
padapter->cmd = WRITE_CMD;
|
| 2232 |
|
|
break;
|
| 2233 |
|
|
case SCSIOP_WRITE6: // write6 CDB
|
| 2234 |
|
|
padapter->startSector = SCSI2LONG (&cdb[1]);
|
| 2235 |
|
|
padapter->sectorCount = cdb[4];
|
| 2236 |
|
|
padapter->cmd = WRITE_CMD;
|
| 2237 |
|
|
break;
|
| 2238 |
|
|
default:
|
| 2239 |
|
|
DEB (printk ("pci2220i_queuecommand: Unsupported command %02X\n", *cdb));
|
| 2240 |
|
|
OpDone (padapter, DID_ERROR << 16);
|
| 2241 |
|
|
return 0;
|
| 2242 |
|
|
}
|
| 2243 |
|
|
|
| 2244 |
|
|
if ( padapter->reconPhase )
|
| 2245 |
|
|
return 0;
|
| 2246 |
|
|
|
| 2247 |
|
|
padapter->pdev = pdev;
|
| 2248 |
|
|
|
| 2249 |
|
|
while ( padapter->demoFail )
|
| 2250 |
|
|
{
|
| 2251 |
|
|
pdev = padapter->pdev = &padapter->device[0];
|
| 2252 |
|
|
padapter->demoFail = FALSE;
|
| 2253 |
|
|
if ( !pdev->raid ||
|
| 2254 |
|
|
(pdev->DiskMirror[0].status & UCBF_SURVIVOR) ||
|
| 2255 |
|
|
(pdev->DiskMirror[1].status & UCBF_SURVIVOR) )
|
| 2256 |
|
|
{
|
| 2257 |
|
|
break;
|
| 2258 |
|
|
}
|
| 2259 |
|
|
if ( pdev->DiskMirror[0].status & UCBF_REBUILD )
|
| 2260 |
|
|
padapter->survivor = 1;
|
| 2261 |
|
|
else
|
| 2262 |
|
|
padapter->survivor = 0;
|
| 2263 |
|
|
DEB (printk ("\npci2220i: FAILURE 19"));
|
| 2264 |
|
|
if ( InitFailover (padapter, pdev) )
|
| 2265 |
|
|
break;
|
| 2266 |
|
|
return 0;
|
| 2267 |
|
|
}
|
| 2268 |
|
|
|
| 2269 |
|
|
StartTimer (padapter);
|
| 2270 |
|
|
if ( pdev->raid && (padapter->cmd == WRITE_CMD) )
|
| 2271 |
|
|
{
|
| 2272 |
|
|
rc = IdeCmdBoth (padapter, pdev);
|
| 2273 |
|
|
if ( !rc )
|
| 2274 |
|
|
rc = WriteDataBoth (padapter, pdev);
|
| 2275 |
|
|
if ( rc )
|
| 2276 |
|
|
{
|
| 2277 |
|
|
del_timer (&padapter->timer);
|
| 2278 |
|
|
padapter->expectingIRQ = 0;
|
| 2279 |
|
|
padapter->survivor = rc >> 1;
|
| 2280 |
|
|
DEB (printk ("\npci2220i: FAILURE 20"));
|
| 2281 |
|
|
if ( InitFailover (padapter, pdev) )
|
| 2282 |
|
|
{
|
| 2283 |
|
|
OpDone (padapter, DID_ERROR << 16);
|
| 2284 |
|
|
return 0;
|
| 2285 |
|
|
}
|
| 2286 |
|
|
}
|
| 2287 |
|
|
}
|
| 2288 |
|
|
else
|
| 2289 |
|
|
{
|
| 2290 |
|
|
rc = IdeCmd (padapter, pdev);
|
| 2291 |
|
|
if ( (padapter->cmd == WRITE_CMD) && !rc )
|
| 2292 |
|
|
rc = WriteData (padapter);
|
| 2293 |
|
|
if ( rc )
|
| 2294 |
|
|
{
|
| 2295 |
|
|
del_timer (&padapter->timer);
|
| 2296 |
|
|
padapter->expectingIRQ = 0;
|
| 2297 |
|
|
if ( pdev->raid )
|
| 2298 |
|
|
{
|
| 2299 |
|
|
padapter->survivor = (pdev->spigot ^ 3) >> 1;
|
| 2300 |
|
|
DEB (printk ("\npci2220i: FAILURE 21"));
|
| 2301 |
|
|
if ( !InitFailover (padapter, pdev) )
|
| 2302 |
|
|
return 0;
|
| 2303 |
|
|
}
|
| 2304 |
|
|
OpDone (padapter, DID_ERROR << 16);
|
| 2305 |
|
|
return 0;
|
| 2306 |
|
|
}
|
| 2307 |
|
|
}
|
| 2308 |
|
|
return 0;
|
| 2309 |
|
|
}
|
| 2310 |
|
|
static void internal_done(Scsi_Cmnd *SCpnt)
|
| 2311 |
|
|
{
|
| 2312 |
|
|
SCpnt->SCp.Status++;
|
| 2313 |
|
|
}
|
| 2314 |
|
|
/****************************************************************
|
| 2315 |
|
|
* Name: Pci2220i_Command
|
| 2316 |
|
|
*
|
| 2317 |
|
|
* Description: Process a command from the SCSI manager.
|
| 2318 |
|
|
*
|
| 2319 |
|
|
* Parameters: SCpnt - Pointer to SCSI command structure.
|
| 2320 |
|
|
*
|
| 2321 |
|
|
* Returns: Status code.
|
| 2322 |
|
|
*
|
| 2323 |
|
|
****************************************************************/
|
| 2324 |
|
|
int Pci2220i_Command (Scsi_Cmnd *SCpnt)
|
| 2325 |
|
|
{
|
| 2326 |
|
|
Pci2220i_QueueCommand (SCpnt, internal_done);
|
| 2327 |
|
|
SCpnt->SCp.Status = 0;
|
| 2328 |
|
|
while (!SCpnt->SCp.Status)
|
| 2329 |
|
|
barrier ();
|
| 2330 |
|
|
return SCpnt->result;
|
| 2331 |
|
|
}
|
| 2332 |
|
|
/****************************************************************
|
| 2333 |
|
|
* Name: ReadFlash
|
| 2334 |
|
|
*
|
| 2335 |
|
|
* Description: Read information from controller Flash memory.
|
| 2336 |
|
|
*
|
| 2337 |
|
|
* Parameters: padapter - Pointer to host interface data structure.
|
| 2338 |
|
|
* pdata - Pointer to data structures.
|
| 2339 |
|
|
* base - base address in Flash.
|
| 2340 |
|
|
* length - lenght of data space in bytes.
|
| 2341 |
|
|
*
|
| 2342 |
|
|
* Returns: Nothing.
|
| 2343 |
|
|
*
|
| 2344 |
|
|
****************************************************************/
|
| 2345 |
|
|
static VOID ReadFlash (PADAPTER2220I padapter, VOID *pdata, ULONG base, ULONG length)
|
| 2346 |
|
|
{
|
| 2347 |
|
|
ULONG oldremap;
|
| 2348 |
|
|
UCHAR olddesc;
|
| 2349 |
|
|
ULONG z;
|
| 2350 |
|
|
UCHAR *pd = (UCHAR *)pdata;
|
| 2351 |
|
|
|
| 2352 |
|
|
oldremap = inl (padapter->regRemap); // save values to restore later
|
| 2353 |
|
|
olddesc = inb_p (padapter->regDesc);
|
| 2354 |
|
|
|
| 2355 |
|
|
outl (base | 1, padapter->regRemap); // remap to Flash space as specified
|
| 2356 |
|
|
outb_p (0x40, padapter->regDesc); // describe remap region as 8 bit
|
| 2357 |
|
|
for ( z = 0; z < length; z++) // get "length" data count
|
| 2358 |
|
|
*pd++ = inb_p (padapter->regBase + z); // read in the data
|
| 2359 |
|
|
|
| 2360 |
|
|
outl (oldremap, padapter->regRemap); // restore remap register values
|
| 2361 |
|
|
outb_p (olddesc, padapter->regDesc);
|
| 2362 |
|
|
}
|
| 2363 |
|
|
/****************************************************************
|
| 2364 |
|
|
* Name: GetRegs
|
| 2365 |
|
|
*
|
| 2366 |
|
|
* Description: Initialize the regester information.
|
| 2367 |
|
|
*
|
| 2368 |
|
|
* Parameters: pshost - Pointer to SCSI host data structure.
|
| 2369 |
|
|
* bigd - PCI-2240I identifier
|
| 2370 |
|
|
* pcidev - Pointer to device data structure.
|
| 2371 |
|
|
*
|
| 2372 |
|
|
* Returns: TRUE if failure to install.
|
| 2373 |
|
|
*
|
| 2374 |
|
|
****************************************************************/
|
| 2375 |
|
|
static USHORT GetRegs (struct Scsi_Host *pshost, BOOL bigd, struct pci_dev *pcidev)
|
| 2376 |
|
|
{
|
| 2377 |
|
|
PADAPTER2220I padapter;
|
| 2378 |
|
|
int setirq;
|
| 2379 |
|
|
int z;
|
| 2380 |
|
|
USHORT zr, zl;
|
| 2381 |
|
|
UCHAR *consistent;
|
| 2382 |
|
|
dma_addr_t consistentDma;
|
| 2383 |
|
|
|
| 2384 |
|
|
padapter = HOSTDATA(pshost);
|
| 2385 |
|
|
memset (padapter, 0, sizeof (ADAPTER2220I));
|
| 2386 |
|
|
memset (&DaleSetup, 0, sizeof (DaleSetup));
|
| 2387 |
|
|
memset (DiskMirror, 0, sizeof (DiskMirror));
|
| 2388 |
|
|
|
| 2389 |
|
|
zr = pci_resource_start (pcidev, 1);
|
| 2390 |
|
|
zl = pci_resource_start (pcidev, 2);
|
| 2391 |
|
|
|
| 2392 |
|
|
padapter->basePort = zr;
|
| 2393 |
|
|
padapter->regRemap = zr + RTR_LOCAL_REMAP; // 32 bit local space remap
|
| 2394 |
|
|
padapter->regDesc = zr + RTR_REGIONS; // 32 bit local region descriptor
|
| 2395 |
|
|
padapter->regRange = zr + RTR_LOCAL_RANGE; // 32 bit local range
|
| 2396 |
|
|
padapter->regIrqControl = zr + RTR_INT_CONTROL_STATUS; // 16 bit interupt control and status
|
| 2397 |
|
|
padapter->regScratchPad = zr + RTR_MAILBOX; // 16 byte scratchpad I/O base address
|
| 2398 |
|
|
|
| 2399 |
|
|
padapter->regBase = zl;
|
| 2400 |
|
|
padapter->regData = zl + REG_DATA; // data register I/O address
|
| 2401 |
|
|
padapter->regError = zl + REG_ERROR; // error register I/O address
|
| 2402 |
|
|
padapter->regSectCount = zl + REG_SECTOR_COUNT; // sector count register I/O address
|
| 2403 |
|
|
padapter->regLba0 = zl + REG_LBA_0; // least significant byte of LBA
|
| 2404 |
|
|
padapter->regLba8 = zl + REG_LBA_8; // next least significant byte of LBA
|
| 2405 |
|
|
padapter->regLba16 = zl + REG_LBA_16; // next most significan byte of LBA
|
| 2406 |
|
|
padapter->regLba24 = zl + REG_LBA_24; // head and most 4 significant bits of LBA
|
| 2407 |
|
|
padapter->regStatCmd = zl + REG_STAT_CMD; // status on read and command on write register
|
| 2408 |
|
|
padapter->regStatSel = zl + REG_STAT_SEL; // board status on read and spigot select on write register
|
| 2409 |
|
|
padapter->regFail = zl + REG_FAIL;
|
| 2410 |
|
|
padapter->regAltStat = zl + REG_ALT_STAT;
|
| 2411 |
|
|
padapter->pcidev = pcidev;
|
| 2412 |
|
|
|
| 2413 |
|
|
if ( bigd )
|
| 2414 |
|
|
{
|
| 2415 |
|
|
padapter->regDmaDesc = zr + RTR_DMA0_DESC_PTR; // address of the DMA discriptor register for direction of transfer
|
| 2416 |
|
|
padapter->regDmaCmdStat = zr + RTR_DMA_COMMAND_STATUS; // Byte #0 of DMA command status register
|
| 2417 |
|
|
padapter->regDmaAddrPci = zr + RTR_DMA0_PCI_ADDR; // 32 bit register for PCI address of DMA
|
| 2418 |
|
|
padapter->regDmaAddrLoc = zr + RTR_DMA0_LOCAL_ADDR; // 32 bit register for local bus address of DMA
|
| 2419 |
|
|
padapter->regDmaCount = zr + RTR_DMA0_COUNT; // 32 bit register for DMA transfer count
|
| 2420 |
|
|
padapter->regDmaMode = zr + RTR_DMA0_MODE + 1; // 32 bit register for DMA mode control
|
| 2421 |
|
|
padapter->bigD = SEL_NEW_SPEED_1; // set spigot speed control bit
|
| 2422 |
|
|
}
|
| 2423 |
|
|
else
|
| 2424 |
|
|
{
|
| 2425 |
|
|
padapter->regDmaDesc = zl + RTL_DMA1_DESC_PTR; // address of the DMA discriptor register for direction of transfer
|
| 2426 |
|
|
padapter->regDmaCmdStat = zl + RTL_DMA_COMMAND_STATUS + 1; // Byte #1 of DMA command status register
|
| 2427 |
|
|
padapter->regDmaAddrPci = zl + RTL_DMA1_PCI_ADDR; // 32 bit register for PCI address of DMA
|
| 2428 |
|
|
padapter->regDmaAddrLoc = zl + RTL_DMA1_LOCAL_ADDR; // 32 bit register for local bus address of DMA
|
| 2429 |
|
|
padapter->regDmaCount = zl + RTL_DMA1_COUNT; // 32 bit register for DMA transfer count
|
| 2430 |
|
|
padapter->regDmaMode = zl + RTL_DMA1_MODE + 1; // 32 bit register for DMA mode control
|
| 2431 |
|
|
}
|
| 2432 |
|
|
|
| 2433 |
|
|
padapter->numberOfDrives = inb_p (padapter->regScratchPad + BIGD_NUM_DRIVES);
|
| 2434 |
|
|
if ( !bigd && !padapter->numberOfDrives ) // if no devices on this board
|
| 2435 |
|
|
return TRUE;
|
| 2436 |
|
|
|
| 2437 |
|
|
pshost->irq = pcidev->irq;
|
| 2438 |
|
|
setirq = 1;
|
| 2439 |
|
|
for ( z = 0; z < Installed; z++ ) // scan for shared interrupts
|
| 2440 |
|
|
{
|
| 2441 |
|
|
if ( PsiHost[z]->irq == pshost->irq ) // if shared then, don't posses
|
| 2442 |
|
|
setirq = 0;
|
| 2443 |
|
|
}
|
| 2444 |
|
|
if ( setirq ) // if not shared, posses
|
| 2445 |
|
|
{
|
| 2446 |
|
|
if ( request_irq (pshost->irq, Irq_Handler, SA_SHIRQ, "pci2220i", padapter) < 0 )
|
| 2447 |
|
|
{
|
| 2448 |
|
|
if ( request_irq (pshost->irq, Irq_Handler, SA_INTERRUPT | SA_SHIRQ, "pci2220i", padapter) < 0 )
|
| 2449 |
|
|
{
|
| 2450 |
|
|
printk ("Unable to allocate IRQ for PCI-2220I controller.\n");
|
| 2451 |
|
|
return TRUE;
|
| 2452 |
|
|
}
|
| 2453 |
|
|
}
|
| 2454 |
|
|
padapter->irqOwned = pshost->irq; // set IRQ as owned
|
| 2455 |
|
|
}
|
| 2456 |
|
|
|
| 2457 |
|
|
if ( padapter->numberOfDrives )
|
| 2458 |
|
|
consistent = pci_alloc_consistent (pcidev, SECTORSXFER * BYTES_PER_SECTOR, &consistentDma);
|
| 2459 |
|
|
else
|
| 2460 |
|
|
consistent = pci_alloc_consistent (pcidev, ATAPI_TRANSFER, &consistentDma);
|
| 2461 |
|
|
if ( !consistent )
|
| 2462 |
|
|
{
|
| 2463 |
|
|
printk ("Unable to allocate DMA buffer for PCI-2220I controller.\n");
|
| 2464 |
|
|
free_irq (pshost->irq, padapter);
|
| 2465 |
|
|
return TRUE;
|
| 2466 |
|
|
}
|
| 2467 |
|
|
padapter->kBuffer = consistent;
|
| 2468 |
|
|
padapter->kBufferDma = consistentDma;
|
| 2469 |
|
|
|
| 2470 |
|
|
PsiHost[Installed] = pshost; // save SCSI_HOST pointer
|
| 2471 |
|
|
pshost->io_port = padapter->basePort;
|
| 2472 |
|
|
pshost->n_io_port = 0xFF;
|
| 2473 |
|
|
pshost->unique_id = padapter->regBase;
|
| 2474 |
|
|
|
| 2475 |
|
|
outb_p (0x01, padapter->regRange); // fix our range register because other drivers want to tromp on it
|
| 2476 |
|
|
|
| 2477 |
|
|
padapter->timingMode = inb_p (padapter->regScratchPad + DALE_TIMING_MODE);
|
| 2478 |
|
|
if ( padapter->timingMode >= 2 )
|
| 2479 |
|
|
{
|
| 2480 |
|
|
if ( bigd )
|
| 2481 |
|
|
padapter->timingAddress = ModeArray2[padapter->timingMode - 2];
|
| 2482 |
|
|
else
|
| 2483 |
|
|
padapter->timingAddress = ModeArray[padapter->timingMode - 2];
|
| 2484 |
|
|
}
|
| 2485 |
|
|
else
|
| 2486 |
|
|
padapter->timingPIO = TRUE;
|
| 2487 |
|
|
|
| 2488 |
|
|
ReadFlash (padapter, &DaleSetup, DALE_FLASH_SETUP, sizeof (SETUP));
|
| 2489 |
|
|
ReadFlash (padapter, &DiskMirror, DALE_FLASH_RAID, sizeof (DiskMirror));
|
| 2490 |
|
|
|
| 2491 |
|
|
return FALSE;
|
| 2492 |
|
|
}
|
| 2493 |
|
|
/****************************************************************
|
| 2494 |
|
|
* Name: SetupFinish
|
| 2495 |
|
|
*
|
| 2496 |
|
|
* Description: Complete the driver initialization process for a card
|
| 2497 |
|
|
*
|
| 2498 |
|
|
* Parameters: padapter - Pointer to SCSI host data structure.
|
| 2499 |
|
|
* str - Pointer to board type string.
|
| 2500 |
|
|
*
|
| 2501 |
|
|
* Returns: Nothing.
|
| 2502 |
|
|
*
|
| 2503 |
|
|
****************************************************************/
|
| 2504 |
|
|
VOID SetupFinish (PADAPTER2220I padapter, char *str, int irq)
|
| 2505 |
|
|
{
|
| 2506 |
|
|
init_timer (&padapter->timer);
|
| 2507 |
|
|
padapter->timer.function = TimerExpiry;
|
| 2508 |
|
|
padapter->timer.data = (unsigned long)padapter;
|
| 2509 |
|
|
init_timer (&padapter->reconTimer);
|
| 2510 |
|
|
padapter->reconTimer.function = ReconTimerExpiry;
|
| 2511 |
|
|
padapter->reconTimer.data = (unsigned long)padapter;
|
| 2512 |
|
|
printk("\nPCI-%sI EIDE CONTROLLER: at I/O = %lX/%lX IRQ = %d\n", str, padapter->basePort, padapter->regBase, irq);
|
| 2513 |
|
|
printk("Version %s, Compiled %s %s\n\n", PCI2220I_VERSION, __DATE__, __TIME__);
|
| 2514 |
|
|
}
|
| 2515 |
|
|
/****************************************************************
|
| 2516 |
|
|
* Name: Pci2220i_Detect
|
| 2517 |
|
|
*
|
| 2518 |
|
|
* Description: Detect and initialize our boards.
|
| 2519 |
|
|
*
|
| 2520 |
|
|
* Parameters: tpnt - Pointer to SCSI host template structure.
|
| 2521 |
|
|
*
|
| 2522 |
|
|
* Returns: Number of adapters installed.
|
| 2523 |
|
|
*
|
| 2524 |
|
|
****************************************************************/
|
| 2525 |
|
|
int Pci2220i_Detect (Scsi_Host_Template *tpnt)
|
| 2526 |
|
|
{
|
| 2527 |
|
|
struct Scsi_Host *pshost;
|
| 2528 |
|
|
PADAPTER2220I padapter;
|
| 2529 |
|
|
POUR_DEVICE pdev;
|
| 2530 |
|
|
int unit;
|
| 2531 |
|
|
int z;
|
| 2532 |
|
|
USHORT raidon;
|
| 2533 |
|
|
UCHAR spigot1, spigot2;
|
| 2534 |
|
|
UCHAR device;
|
| 2535 |
|
|
struct pci_dev *pcidev = NULL;
|
| 2536 |
|
|
|
| 2537 |
|
|
if ( !pci_present () )
|
| 2538 |
|
|
{
|
| 2539 |
|
|
printk ("pci2220i: PCI BIOS not present\n");
|
| 2540 |
|
|
return 0;
|
| 2541 |
|
|
}
|
| 2542 |
|
|
|
| 2543 |
|
|
while ( (pcidev = pci_find_device (VENDOR_PSI, DEVICE_DALE_1, pcidev)) != NULL )
|
| 2544 |
|
|
{
|
| 2545 |
|
|
if (pci_enable_device(pcidev))
|
| 2546 |
|
|
continue;
|
| 2547 |
|
|
pshost = scsi_register (tpnt, sizeof(ADAPTER2220I));
|
| 2548 |
|
|
if(pshost==NULL)
|
| 2549 |
|
|
continue;
|
| 2550 |
|
|
|
| 2551 |
|
|
padapter = HOSTDATA(pshost);
|
| 2552 |
|
|
|
| 2553 |
|
|
if ( GetRegs (pshost, FALSE, pcidev) )
|
| 2554 |
|
|
goto unregister;
|
| 2555 |
|
|
|
| 2556 |
|
|
scsi_set_pci_device(pshost, pcidev);
|
| 2557 |
|
|
pshost->max_id = padapter->numberOfDrives;
|
| 2558 |
|
|
for ( z = 0; z < padapter->numberOfDrives; z++ )
|
| 2559 |
|
|
{
|
| 2560 |
|
|
unit = inb_p (padapter->regScratchPad + DALE_CHANNEL_DEVICE_0 + z) & 0x0F;
|
| 2561 |
|
|
pdev = &padapter->device[z];
|
| 2562 |
|
|
pdev->byte6 = (UCHAR)(((unit & 1) << 4) | 0xE0);
|
| 2563 |
|
|
pdev->spigot = (UCHAR)(1 << (unit >> 1));
|
| 2564 |
|
|
pdev->sectors = DaleSetup.setupDevice[unit].sectors;
|
| 2565 |
|
|
pdev->heads = DaleSetup.setupDevice[unit].heads;
|
| 2566 |
|
|
pdev->cylinders = DaleSetup.setupDevice[unit].cylinders;
|
| 2567 |
|
|
pdev->blocks = DaleSetup.setupDevice[unit].blocks;
|
| 2568 |
|
|
|
| 2569 |
|
|
if ( !z )
|
| 2570 |
|
|
{
|
| 2571 |
|
|
DiskMirror[0].status = inb_p (padapter->regScratchPad + DALE_RAID_0_STATUS);
|
| 2572 |
|
|
DiskMirror[1].status = inb_p (padapter->regScratchPad + DALE_RAID_1_STATUS);
|
| 2573 |
|
|
if ( (DiskMirror[0].signature == SIGNATURE) && (DiskMirror[1].signature == SIGNATURE) &&
|
| 2574 |
|
|
(DiskMirror[0].pairIdentifier == (DiskMirror[1].pairIdentifier ^ 1)) )
|
| 2575 |
|
|
{
|
| 2576 |
|
|
raidon = TRUE;
|
| 2577 |
|
|
if ( unit > (unit ^ 2) )
|
| 2578 |
|
|
unit = unit ^ 2;
|
| 2579 |
|
|
}
|
| 2580 |
|
|
else
|
| 2581 |
|
|
raidon = FALSE;
|
| 2582 |
|
|
|
| 2583 |
|
|
memcpy (pdev->DiskMirror, DiskMirror, sizeof (DiskMirror));
|
| 2584 |
|
|
padapter->raidData[0] = &pdev->DiskMirror[0];
|
| 2585 |
|
|
padapter->raidData[2] = &pdev->DiskMirror[1];
|
| 2586 |
|
|
|
| 2587 |
|
|
spigot1 = spigot2 = FALSE;
|
| 2588 |
|
|
pdev->spigots[0] = 1;
|
| 2589 |
|
|
pdev->spigots[1] = 2;
|
| 2590 |
|
|
pdev->lastsectorlba[0] = InlineIdentify (padapter, 1, 0);
|
| 2591 |
|
|
pdev->lastsectorlba[1] = InlineIdentify (padapter, 2, 0);
|
| 2592 |
|
|
|
| 2593 |
|
|
if ( !(pdev->DiskMirror[1].status & UCBF_SURVIVOR) && pdev->lastsectorlba[0] )
|
| 2594 |
|
|
spigot1 = TRUE;
|
| 2595 |
|
|
if ( !(pdev->DiskMirror[0].status & UCBF_SURVIVOR) && pdev->lastsectorlba[1] )
|
| 2596 |
|
|
spigot2 = TRUE;
|
| 2597 |
|
|
if ( pdev->DiskMirror[0].status & DiskMirror[1].status & UCBF_SURVIVOR )
|
| 2598 |
|
|
spigot1 = TRUE;
|
| 2599 |
|
|
|
| 2600 |
|
|
if ( spigot1 && (pdev->DiskMirror[0].status & UCBF_REBUILD) )
|
| 2601 |
|
|
InlineReadSignature (padapter, pdev, 0);
|
| 2602 |
|
|
if ( spigot2 && (pdev->DiskMirror[1].status & UCBF_REBUILD) )
|
| 2603 |
|
|
InlineReadSignature (padapter, pdev, 1);
|
| 2604 |
|
|
|
| 2605 |
|
|
if ( spigot1 && spigot2 && raidon )
|
| 2606 |
|
|
{
|
| 2607 |
|
|
pdev->raid = 1;
|
| 2608 |
|
|
if ( pdev->DiskMirror[0].status & UCBF_REBUILD )
|
| 2609 |
|
|
pdev->spigot = 2;
|
| 2610 |
|
|
else
|
| 2611 |
|
|
pdev->spigot = 1;
|
| 2612 |
|
|
if ( (pdev->DiskMirror[0].status & UCBF_REBUILD) || (pdev->DiskMirror[1].status & UCBF_REBUILD) )
|
| 2613 |
|
|
padapter->reconOn = pdev->reconOn = pdev->reconIsStarting = TRUE;
|
| 2614 |
|
|
}
|
| 2615 |
|
|
else
|
| 2616 |
|
|
{
|
| 2617 |
|
|
if ( spigot1 )
|
| 2618 |
|
|
{
|
| 2619 |
|
|
if ( pdev->DiskMirror[0].status & UCBF_REBUILD )
|
| 2620 |
|
|
goto unregister;
|
| 2621 |
|
|
pdev->DiskMirror[0].status = UCBF_MIRRORED | UCBF_SURVIVOR;
|
| 2622 |
|
|
pdev->spigot = 1;
|
| 2623 |
|
|
}
|
| 2624 |
|
|
else
|
| 2625 |
|
|
{
|
| 2626 |
|
|
if ( pdev->DiskMirror[1].status & UCBF_REBUILD )
|
| 2627 |
|
|
goto unregister;
|
| 2628 |
|
|
pdev->DiskMirror[1].status = UCBF_MIRRORED | UCBF_SURVIVOR;
|
| 2629 |
|
|
pdev->spigot = 2;
|
| 2630 |
|
|
}
|
| 2631 |
|
|
if ( DaleSetup.rebootRebuild && raidon )
|
| 2632 |
|
|
padapter->reconOn = pdev->reconOn = pdev->reconIsStarting = TRUE;
|
| 2633 |
|
|
}
|
| 2634 |
|
|
|
| 2635 |
|
|
if ( raidon )
|
| 2636 |
|
|
break;
|
| 2637 |
|
|
}
|
| 2638 |
|
|
}
|
| 2639 |
|
|
|
| 2640 |
|
|
SetupFinish (padapter, "2220", pshost->irq);
|
| 2641 |
|
|
|
| 2642 |
|
|
if ( ++Installed < MAXADAPTER )
|
| 2643 |
|
|
continue;
|
| 2644 |
|
|
break;;
|
| 2645 |
|
|
unregister:;
|
| 2646 |
|
|
scsi_unregister (pshost);
|
| 2647 |
|
|
}
|
| 2648 |
|
|
|
| 2649 |
|
|
while ( (pcidev = pci_find_device (VENDOR_PSI, DEVICE_BIGD_1, pcidev)) != NULL )
|
| 2650 |
|
|
{
|
| 2651 |
|
|
pshost = scsi_register (tpnt, sizeof(ADAPTER2220I));
|
| 2652 |
|
|
padapter = HOSTDATA(pshost);
|
| 2653 |
|
|
|
| 2654 |
|
|
if ( GetRegs (pshost, TRUE, pcidev) )
|
| 2655 |
|
|
goto unregister1;
|
| 2656 |
|
|
|
| 2657 |
|
|
for ( z = 0; z < BIGD_MAXDRIVES; z++ )
|
| 2658 |
|
|
DiskMirror[z].status = inb_p (padapter->regScratchPad + BIGD_RAID_0_STATUS + z);
|
| 2659 |
|
|
|
| 2660 |
|
|
scsi_set_pci_device(pshost, pcidev);
|
| 2661 |
|
|
pshost->max_id = padapter->numberOfDrives;
|
| 2662 |
|
|
padapter->failRegister = inb_p (padapter->regScratchPad + BIGD_ALARM_IMAGE);
|
| 2663 |
|
|
for ( z = 0; z < padapter->numberOfDrives; z++ )
|
| 2664 |
|
|
{
|
| 2665 |
|
|
unit = inb_p (padapter->regScratchPad + BIGD_DEVICE_0 + z);
|
| 2666 |
|
|
pdev = &padapter->device[z];
|
| 2667 |
|
|
pdev->byte6 = (UCHAR)(((unit & 1) << 4) | 0xE0);
|
| 2668 |
|
|
pdev->spigot = (UCHAR)(1 << (unit >> 1));
|
| 2669 |
|
|
pdev->sectors = DaleSetup.setupDevice[unit].sectors;
|
| 2670 |
|
|
pdev->heads = DaleSetup.setupDevice[unit].heads;
|
| 2671 |
|
|
pdev->cylinders = DaleSetup.setupDevice[unit].cylinders;
|
| 2672 |
|
|
pdev->blocks = DaleSetup.setupDevice[unit].blocks;
|
| 2673 |
|
|
|
| 2674 |
|
|
if ( (DiskMirror[unit].signature == SIGNATURE) && (DiskMirror[unit ^ 2].signature == SIGNATURE) &&
|
| 2675 |
|
|
(DiskMirror[unit].pairIdentifier == (DiskMirror[unit ^ 2].pairIdentifier ^ 1)) )
|
| 2676 |
|
|
{
|
| 2677 |
|
|
raidon = TRUE;
|
| 2678 |
|
|
if ( unit > (unit ^ 2) )
|
| 2679 |
|
|
unit = unit ^ 2;
|
| 2680 |
|
|
}
|
| 2681 |
|
|
else
|
| 2682 |
|
|
raidon = FALSE;
|
| 2683 |
|
|
|
| 2684 |
|
|
spigot1 = spigot2 = FALSE;
|
| 2685 |
|
|
memcpy (&pdev->DiskMirror[0], &DiskMirror[unit], sizeof (DISK_MIRROR));
|
| 2686 |
|
|
memcpy (&pdev->DiskMirror[1], &DiskMirror[unit ^ 2], sizeof (DISK_MIRROR));
|
| 2687 |
|
|
padapter->raidData[unit] = &pdev->DiskMirror[0];
|
| 2688 |
|
|
padapter->raidData[unit ^ 2] = &pdev->DiskMirror[1];
|
| 2689 |
|
|
pdev->spigots[0] = 1 << (unit >> 1);
|
| 2690 |
|
|
pdev->spigots[1] = 1 << ((unit ^ 2) >> 1);
|
| 2691 |
|
|
pdev->deviceID[0] = unit;
|
| 2692 |
|
|
pdev->deviceID[1] = unit ^ 2;
|
| 2693 |
|
|
pdev->lastsectorlba[0] = InlineIdentify (padapter, pdev->spigots[0], unit & 1);
|
| 2694 |
|
|
pdev->lastsectorlba[1] = InlineIdentify (padapter, pdev->spigots[1], unit & 1);
|
| 2695 |
|
|
|
| 2696 |
|
|
if ( !(pdev->DiskMirror[1].status & UCBF_SURVIVOR) && pdev->lastsectorlba[0] )
|
| 2697 |
|
|
spigot1 = TRUE;
|
| 2698 |
|
|
if ( !(pdev->DiskMirror[0].status & UCBF_SURVIVOR) && pdev->lastsectorlba[1] )
|
| 2699 |
|
|
spigot2 = TRUE;
|
| 2700 |
|
|
if ( pdev->DiskMirror[0].status & pdev->DiskMirror[1].status & UCBF_SURVIVOR )
|
| 2701 |
|
|
spigot1 = TRUE;
|
| 2702 |
|
|
|
| 2703 |
|
|
if ( spigot1 && (pdev->DiskMirror[0].status & UCBF_REBUILD) )
|
| 2704 |
|
|
InlineReadSignature (padapter, pdev, 0);
|
| 2705 |
|
|
if ( spigot2 && (pdev->DiskMirror[1].status & UCBF_REBUILD) )
|
| 2706 |
|
|
InlineReadSignature (padapter, pdev, 1);
|
| 2707 |
|
|
|
| 2708 |
|
|
if ( spigot1 && spigot2 && raidon )
|
| 2709 |
|
|
{
|
| 2710 |
|
|
pdev->raid = 1;
|
| 2711 |
|
|
if ( pdev->DiskMirror[0].status & UCBF_REBUILD )
|
| 2712 |
|
|
pdev->spigot = pdev->spigots[1];
|
| 2713 |
|
|
else
|
| 2714 |
|
|
pdev->spigot = pdev->spigots[0];
|
| 2715 |
|
|
if ( (pdev->DiskMirror[0].status & UCBF_REBUILD) || (pdev->DiskMirror[1].status & UCBF_REBUILD) )
|
| 2716 |
|
|
padapter->reconOn = pdev->reconOn = pdev->reconIsStarting = TRUE;
|
| 2717 |
|
|
}
|
| 2718 |
|
|
else
|
| 2719 |
|
|
{
|
| 2720 |
|
|
if ( spigot1 )
|
| 2721 |
|
|
{
|
| 2722 |
|
|
if ( pdev->DiskMirror[0].status & UCBF_REBUILD )
|
| 2723 |
|
|
goto unregister1;
|
| 2724 |
|
|
pdev->DiskMirror[0].status = UCBF_MIRRORED | UCBF_SURVIVOR;
|
| 2725 |
|
|
pdev->spigot = pdev->spigots[0];
|
| 2726 |
|
|
}
|
| 2727 |
|
|
else
|
| 2728 |
|
|
{
|
| 2729 |
|
|
if ( pdev->DiskMirror[1].status & UCBF_REBUILD )
|
| 2730 |
|
|
goto unregister;
|
| 2731 |
|
|
pdev->DiskMirror[1].status = UCBF_MIRRORED | UCBF_SURVIVOR;
|
| 2732 |
|
|
pdev->spigot = pdev->spigots[1];
|
| 2733 |
|
|
}
|
| 2734 |
|
|
if ( DaleSetup.rebootRebuild && raidon )
|
| 2735 |
|
|
padapter->reconOn = pdev->reconOn = pdev->reconIsStarting = TRUE;
|
| 2736 |
|
|
}
|
| 2737 |
|
|
}
|
| 2738 |
|
|
|
| 2739 |
|
|
if ( !padapter->numberOfDrives ) // If no ATA devices then scan ATAPI
|
| 2740 |
|
|
{
|
| 2741 |
|
|
unit = 0;
|
| 2742 |
|
|
for ( spigot1 = 0; spigot1 < 4; spigot1++ )
|
| 2743 |
|
|
{
|
| 2744 |
|
|
for ( device = 0; device < 2; device++ )
|
| 2745 |
|
|
{
|
| 2746 |
|
|
DEB (printk ("\nPCI2242I: scanning for ID %d ", (spigot1 * 2) + device));
|
| 2747 |
|
|
pdev = &(padapter->device[(spigot1 * 2) + device]);
|
| 2748 |
|
|
pdev->byte6 = 0x0A | (device << 4);
|
| 2749 |
|
|
pdev->spigot = 1 << spigot1;
|
| 2750 |
|
|
if ( !AtapiReset (padapter, pdev) )
|
| 2751 |
|
|
{
|
| 2752 |
|
|
DEB (printk (" Device found "));
|
| 2753 |
|
|
if ( !AtapiIdentify (padapter, pdev) )
|
| 2754 |
|
|
{
|
| 2755 |
|
|
DEB (printk (" Device verified"));
|
| 2756 |
|
|
unit++;
|
| 2757 |
|
|
continue;
|
| 2758 |
|
|
}
|
| 2759 |
|
|
}
|
| 2760 |
|
|
pdev->spigot = pdev->byte6 = 0;
|
| 2761 |
|
|
}
|
| 2762 |
|
|
}
|
| 2763 |
|
|
|
| 2764 |
|
|
if ( unit )
|
| 2765 |
|
|
{
|
| 2766 |
|
|
padapter->atapi = TRUE;
|
| 2767 |
|
|
padapter->timingAddress = DALE_DATA_MODE3;
|
| 2768 |
|
|
outw_p (0x0900, padapter->regIrqControl); // Turn our interrupts on
|
| 2769 |
|
|
outw_p (0x0C41, padapter->regDmaMode - 1); // setup for 16 bits, ready enabled, done IRQ enabled, no incriment
|
| 2770 |
|
|
outb_p (0xFF, padapter->regFail); // all fail lights and alarm off
|
| 2771 |
|
|
pshost->max_id = 8;
|
| 2772 |
|
|
}
|
| 2773 |
|
|
}
|
| 2774 |
|
|
SetupFinish (padapter, "2240", pshost->irq);
|
| 2775 |
|
|
|
| 2776 |
|
|
if ( ++Installed < MAXADAPTER )
|
| 2777 |
|
|
continue;
|
| 2778 |
|
|
break;;
|
| 2779 |
|
|
unregister1:;
|
| 2780 |
|
|
scsi_unregister (pshost);
|
| 2781 |
|
|
}
|
| 2782 |
|
|
|
| 2783 |
|
|
NumAdapters = Installed;
|
| 2784 |
|
|
return Installed;
|
| 2785 |
|
|
}
|
| 2786 |
|
|
/****************************************************************
|
| 2787 |
|
|
* Name: Pci2220i_Abort
|
| 2788 |
|
|
*
|
| 2789 |
|
|
* Description: Process the Abort command from the SCSI manager.
|
| 2790 |
|
|
*
|
| 2791 |
|
|
* Parameters: SCpnt - Pointer to SCSI command structure.
|
| 2792 |
|
|
*
|
| 2793 |
|
|
* Returns: Allways snooze.
|
| 2794 |
|
|
*
|
| 2795 |
|
|
****************************************************************/
|
| 2796 |
|
|
int Pci2220i_Abort (Scsi_Cmnd *SCpnt)
|
| 2797 |
|
|
{
|
| 2798 |
|
|
PADAPTER2220I padapter = HOSTDATA(SCpnt->host); // Pointer to adapter control structure
|
| 2799 |
|
|
POUR_DEVICE pdev = &padapter->device[SCpnt->target];// Pointer to device information
|
| 2800 |
|
|
|
| 2801 |
|
|
if ( !padapter->SCpnt )
|
| 2802 |
|
|
return SCSI_ABORT_NOT_RUNNING;
|
| 2803 |
|
|
|
| 2804 |
|
|
if ( padapter->atapi )
|
| 2805 |
|
|
{
|
| 2806 |
|
|
if ( AtapiReset (padapter, pdev) )
|
| 2807 |
|
|
return SCSI_ABORT_ERROR;
|
| 2808 |
|
|
OpDone (padapter, DID_ABORT << 16);
|
| 2809 |
|
|
return SCSI_ABORT_SUCCESS;
|
| 2810 |
|
|
}
|
| 2811 |
|
|
return SCSI_ABORT_SNOOZE;
|
| 2812 |
|
|
}
|
| 2813 |
|
|
/****************************************************************
|
| 2814 |
|
|
* Name: Pci2220i_Reset
|
| 2815 |
|
|
*
|
| 2816 |
|
|
* Description: Process the Reset command from the SCSI manager.
|
| 2817 |
|
|
*
|
| 2818 |
|
|
* Parameters: SCpnt - Pointer to SCSI command structure.
|
| 2819 |
|
|
* flags - Flags about the reset command
|
| 2820 |
|
|
*
|
| 2821 |
|
|
* Returns: No active command at this time, so this means
|
| 2822 |
|
|
* that each time we got some kind of response the
|
| 2823 |
|
|
* last time through. Tell the mid-level code to
|
| 2824 |
|
|
* request sense information in order to decide what
|
| 2825 |
|
|
* to do next.
|
| 2826 |
|
|
*
|
| 2827 |
|
|
****************************************************************/
|
| 2828 |
|
|
int Pci2220i_Reset (Scsi_Cmnd *SCpnt, unsigned int reset_flags)
|
| 2829 |
|
|
{
|
| 2830 |
|
|
PADAPTER2220I padapter = HOSTDATA(SCpnt->host); // Pointer to adapter control structure
|
| 2831 |
|
|
POUR_DEVICE pdev = &padapter->device[SCpnt->target];// Pointer to device information
|
| 2832 |
|
|
|
| 2833 |
|
|
if ( padapter->atapi )
|
| 2834 |
|
|
{
|
| 2835 |
|
|
if ( AtapiReset (padapter, pdev) )
|
| 2836 |
|
|
return SCSI_RESET_ERROR;
|
| 2837 |
|
|
return SCSI_RESET_SUCCESS;
|
| 2838 |
|
|
}
|
| 2839 |
|
|
return SCSI_RESET_PUNT;
|
| 2840 |
|
|
}
|
| 2841 |
|
|
/****************************************************************
|
| 2842 |
|
|
* Name: Pci2220i_Release
|
| 2843 |
|
|
*
|
| 2844 |
|
|
* Description: Release resources allocated for a single each adapter.
|
| 2845 |
|
|
*
|
| 2846 |
|
|
* Parameters: pshost - Pointer to SCSI command structure.
|
| 2847 |
|
|
*
|
| 2848 |
|
|
* Returns: zero.
|
| 2849 |
|
|
*
|
| 2850 |
|
|
****************************************************************/
|
| 2851 |
|
|
int Pci2220i_Release (struct Scsi_Host *pshost)
|
| 2852 |
|
|
{
|
| 2853 |
|
|
PADAPTER2220I padapter = HOSTDATA (pshost);
|
| 2854 |
|
|
USHORT z;
|
| 2855 |
|
|
|
| 2856 |
|
|
if ( padapter->reconOn )
|
| 2857 |
|
|
{
|
| 2858 |
|
|
padapter->reconOn = FALSE; // shut down the hot reconstruct
|
| 2859 |
|
|
if ( padapter->reconPhase )
|
| 2860 |
|
|
mdelay (300);
|
| 2861 |
|
|
if ( padapter->reconTimer.data ) // is the timer running?
|
| 2862 |
|
|
{
|
| 2863 |
|
|
del_timer (&padapter->reconTimer);
|
| 2864 |
|
|
padapter->reconTimer.data = 0;
|
| 2865 |
|
|
}
|
| 2866 |
|
|
}
|
| 2867 |
|
|
|
| 2868 |
|
|
// save RAID status on the board
|
| 2869 |
|
|
if ( padapter->bigD )
|
| 2870 |
|
|
{
|
| 2871 |
|
|
outb_p (padapter->failRegister, padapter->regScratchPad + BIGD_ALARM_IMAGE);
|
| 2872 |
|
|
for ( z = 0; z < BIGD_MAXDRIVES; z++ )
|
| 2873 |
|
|
{
|
| 2874 |
|
|
if ( padapter->raidData )
|
| 2875 |
|
|
outb_p (padapter->raidData[z]->status, padapter->regScratchPad + BIGD_RAID_0_STATUS + z);
|
| 2876 |
|
|
else
|
| 2877 |
|
|
outb_p (0, padapter->regScratchPad + BIGD_RAID_0_STATUS);
|
| 2878 |
|
|
}
|
| 2879 |
|
|
}
|
| 2880 |
|
|
else
|
| 2881 |
|
|
{
|
| 2882 |
|
|
outb_p (padapter->device[0].DiskMirror[0].status, padapter->regScratchPad + DALE_RAID_0_STATUS);
|
| 2883 |
|
|
outb_p (padapter->device[0].DiskMirror[1].status, padapter->regScratchPad + DALE_RAID_1_STATUS);
|
| 2884 |
|
|
}
|
| 2885 |
|
|
|
| 2886 |
|
|
if ( padapter->irqOwned )
|
| 2887 |
|
|
free_irq (pshost->irq, padapter);
|
| 2888 |
|
|
release_region (pshost->io_port, pshost->n_io_port);
|
| 2889 |
|
|
if ( padapter->numberOfDrives )
|
| 2890 |
|
|
pci_free_consistent (padapter->pcidev, SECTORSXFER * BYTES_PER_SECTOR, padapter->kBuffer, padapter->kBufferDma);
|
| 2891 |
|
|
else
|
| 2892 |
|
|
pci_free_consistent (padapter->pcidev, ATAPI_TRANSFER, padapter->kBuffer, padapter->kBufferDma);
|
| 2893 |
|
|
scsi_unregister(pshost);
|
| 2894 |
|
|
return 0;
|
| 2895 |
|
|
}
|
| 2896 |
|
|
|
| 2897 |
|
|
#include "sd.h"
|
| 2898 |
|
|
|
| 2899 |
|
|
/****************************************************************
|
| 2900 |
|
|
* Name: Pci2220i_BiosParam
|
| 2901 |
|
|
*
|
| 2902 |
|
|
* Description: Process the biosparam request from the SCSI manager to
|
| 2903 |
|
|
* return C/H/S data.
|
| 2904 |
|
|
*
|
| 2905 |
|
|
* Parameters: disk - Pointer to SCSI disk structure.
|
| 2906 |
|
|
* dev - Major/minor number from kernel.
|
| 2907 |
|
|
* geom - Pointer to integer array to place geometry data.
|
| 2908 |
|
|
*
|
| 2909 |
|
|
* Returns: zero.
|
| 2910 |
|
|
*
|
| 2911 |
|
|
****************************************************************/
|
| 2912 |
|
|
int Pci2220i_BiosParam (Scsi_Disk *disk, kdev_t dev, int geom[])
|
| 2913 |
|
|
{
|
| 2914 |
|
|
POUR_DEVICE pdev;
|
| 2915 |
|
|
|
| 2916 |
|
|
if ( !(HOSTDATA(disk->device->host))->atapi )
|
| 2917 |
|
|
{
|
| 2918 |
|
|
pdev = &(HOSTDATA(disk->device->host)->device[disk->device->id]);
|
| 2919 |
|
|
|
| 2920 |
|
|
geom[0] = pdev->heads;
|
| 2921 |
|
|
geom[1] = pdev->sectors;
|
| 2922 |
|
|
geom[2] = pdev->cylinders;
|
| 2923 |
|
|
}
|
| 2924 |
|
|
return 0;
|
| 2925 |
|
|
}
|
| 2926 |
|
|
|
| 2927 |
|
|
MODULE_LICENSE("Dual BSD/GPL");
|
| 2928 |
|
|
|
| 2929 |
|
|
/* Eventually this will go into an include file, but this will be later */
|
| 2930 |
|
|
static Scsi_Host_Template driver_template = PCI2220I;
|
| 2931 |
|
|
|
| 2932 |
|
|
#include "scsi_module.c"
|
