advansys.c

GNU Mach 微内核源代码, 基于美国卡内基美隆大学的 Mach 研究项目

#include "sd.h"
#include "advansys.h"
#if LINUX_VERSION_CODE >= ASC_LINUX_VERSION(2,1,93)
#ifdef CONFIG_PCI
#include <linux/pci.h>
#endif /* CONFIG_PCI */
#else /* version < v2.1.93 */
/*
 * For earlier than v2.1.93 the driver has its own PCI configuration.
 * If PCI is not needed in a kernel before v2.1.93 this define can be
 * turned-off to make the driver object smaller.
 */
#define ASC_CONFIG_PCI
#endif /* version < v2.1.93 */

/*
 * If Linux eventually defines a DID_UNDERRUN, the constant here can be
 * removed. The current value of zero for DID_UNDERRUN results in underrun
 * conditions being ignored.
 */
#define DID_UNDERRUN 0


/*
 * --- Driver Options
 */

/* Enable driver assertions. */
#define ADVANSYS_ASSERT

/* Enable driver tracing. */
/* #define ADVANSYS_DEBUG */

/*
 * Because of no /proc to display them, statistics are disabled
 * for versions prior to v1.3.0.
 */
#if LINUX_VERSION_CODE < ASC_LINUX_VERSION(1,3,0)
#undef ADVANSYS_STATS /* Disable statistics */
#else /* version >= v1.3.0 */
#define ADVANSYS_STATS /* Enable statistics. */
#endif /* version >= v1.3.0 */


/*
 * --- Debugging Header
 */

#ifdef ADVANSYS_DEBUG
#define STATIC
#else /* ADVANSYS_DEBUG */
#define STATIC static
#endif /* ADVANSYS_DEBUG */


/*
 * --- Asc Library Constants and Macros
 */

#define ASC_LIB_VERSION_MAJOR  1
#define ASC_LIB_VERSION_MINOR  22
#define ASC_LIB_SERIAL_NUMBER  113

typedef unsigned char uchar;

#ifndef NULL
#define NULL     (0)
#endif
#ifndef TRUE
#define TRUE     (1)
#endif
#ifndef FALSE
#define FALSE    (0)
#endif
#define  REG     register
#define rchar    REG __s8
#define rshort   REG __s16
#define rint     REG __s32
#define rlong    REG __s32
#define ruchar   REG __u8
#define rushort  REG __u16
#define ruint    REG __u32
#define rulong   REG __u32
#define NULLPTR  (void *)0
#define FNULLPTR (void *)0UL
#define EOF      (-1)
#define EOS      '\0'
#define ERR      (-1)
#define UB_ERR   (uchar)(0xFF)
#define UW_ERR   (uint)(0xFFFF)
#define UL_ERR   (ulong)(0xFFFFFFFFUL)
#define iseven_word(val)  ((((uint)val) & (uint)0x0001) == 0)
#define isodd_word(val)   ((((uint)val) & (uint)0x0001) != 0)
#define toeven_word(val)  (((uint)val) & (uint)0xFFFE)
#define biton(val, bits)   (((uint)(val >> bits) & (uint)0x0001) != 0)
#define bitoff(val, bits)  (((uint)(val >> bits) & (uint)0x0001) == 0)
#define lbiton(val, bits)  (((ulong)(val >> bits) & (ulong)0x00000001UL) != 0)
#define lbitoff(val, bits) (((ulong)(val >> bits) & (ulong)0x00000001UL) == 0)
#define  absh(val)    ((val) < 0 ? -(val) : (val))
#define  swapbyte(ch)  ((((ch) << 4) | ((ch) >> 4)))
#ifndef GBYTE
#define GBYTE       (0x40000000UL)
#endif
#ifndef MBYTE
#define MBYTE       (0x100000UL)
#endif
#ifndef KBYTE
#define KBYTE       (0x400)
#endif
#define HI_BYTE(x) (*((__u8 *)(&x)+1))
#define LO_BYTE(x) (*((__u8 *)&x))
#define HI_WORD(x) (*((__u16 *)(&x)+1))
#define LO_WORD(x) (*((__u16 *)&x))
#ifndef MAKEWORD
#define MAKEWORD(lo, hi)    ((__u16) (((__u16) lo) | ((__u16) hi << 8)))
#endif
#ifndef MAKELONG
#define MAKELONG(lo, hi)    ((__u32) (((__u32) lo) | ((__u32) hi << 16)))
#endif
#define SwapWords(dWord)        ((__u32) ((dWord >> 16) | (dWord << 16)))
#define SwapBytes(word)         ((__u16) ((word >> 8) | (word << 8)))
#define BigToLittle(dWord) ((__u32) (SwapWords(MAKELONG(SwapBytes(LO_WORD(dWord)), SwapBytes(HI_WORD(dWord))))))
#define LittleToBig(dWord)      BigToLittle(dWord)
#define AscPCIConfigVendorIDRegister      0x0000
#define AscPCIConfigDeviceIDRegister      0x0002
#define AscPCIConfigCommandRegister       0x0004
#define AscPCIConfigStatusRegister        0x0006
#define AscPCIConfigRevisionIDRegister    0x0008
#define AscPCIConfigCacheSize             0x000C
#define AscPCIConfigLatencyTimer          0x000D
#define AscPCIIOBaseRegister              0x0010
#define AscPCICmdRegBits_IOMemBusMaster   0x0007
#define ASC_PCI_ID2BUS(id)    ((id) & 0xFF)
#define ASC_PCI_ID2DEV(id)    (((id) >> 11) & 0x1F)
#define ASC_PCI_ID2FUNC(id)   (((id) >> 8) & 0x7)
#define ASC_PCI_MKID(bus, dev, func) ((((dev) & 0x1F) << 11) | (((func) & 0x7) << 8) | ((bus) & 0xFF))
#define ASC_PCI_VENDORID                  0x10CD
#define ASC_PCI_DEVICEID_1200A            0x1100
#define ASC_PCI_DEVICEID_1200B            0x1200
#define ASC_PCI_DEVICEID_ULTRA            0x1300 
#define ASC_PCI_REVISION_3150             0x02
#define ASC_PCI_REVISION_3050             0x03

#define  ASC_DVCLIB_CALL_DONE     (1)
#define  ASC_DVCLIB_CALL_FAILED   (0)
#define  ASC_DVCLIB_CALL_ERROR    (-1)

#define PortAddr            unsigned short    /* port address size  */
#define Ptr2Func            ulong
#define inp(port)           inb(port)
#define inpw(port)          inw(port)
#define inpl(port)          inl(port)
#define outp(port, byte)    outb((byte), (port))
#define outpw(port, word)   outw((word), (port))
#define outpl(port, long)   outl((long), (port))
#define ASC_MAX_SG_QUEUE    7
#define ASC_MAX_SG_LIST     SG_ALL

#define ASC_CS_TYPE  unsigned short
#ifndef asc_ptr_type
#define asc_ptr_type
#endif

#ifndef ASC_GET_PTR2FUNC
#define ASC_GET_PTR2FUNC(fun)  (Ptr2Func)(fun)
#endif
#define FLIP_BYTE_NIBBLE(x)    (((x<<4)& 0xFF) | (x>>4))
#define ASC_IS_ISA          (0x0001)
#define ASC_IS_ISAPNP       (0x0081)
#define ASC_IS_EISA         (0x0002)
#define ASC_IS_PCI          (0x0004)
#define ASC_IS_PCI_ULTRA    (0x0104)
#define ASC_IS_PCMCIA       (0x0008)
#define ASC_IS_MCA          (0x0020)
#define ASC_IS_VL           (0x0040)
#define ASC_ISA_PNP_PORT_ADDR  (0x279)
#define ASC_ISA_PNP_PORT_WRITE (ASC_ISA_PNP_PORT_ADDR+0x800)
#define ASC_IS_WIDESCSI_16  (0x0100)
#define ASC_IS_WIDESCSI_32  (0x0200)
#define ASC_IS_BIG_ENDIAN   (0x8000)
#define ASC_CHIP_MIN_VER_VL      (0x01)
#define ASC_CHIP_MAX_VER_VL      (0x07)
#define ASC_CHIP_MIN_VER_PCI     (0x09)
#define ASC_CHIP_MAX_VER_PCI     (0x0F)
#define ASC_CHIP_VER_PCI_BIT     (0x08)
#define ASC_CHIP_MIN_VER_ISA     (0x11)
#define ASC_CHIP_MIN_VER_ISA_PNP (0x21)
#define ASC_CHIP_MAX_VER_ISA     (0x27)
#define ASC_CHIP_VER_ISA_BIT     (0x30)
#define ASC_CHIP_VER_ISAPNP_BIT  (0x20)
#define ASC_CHIP_VER_ASYN_BUG    (0x21)
#define ASC_CHIP_VER_PCI             0x08
#define ASC_CHIP_VER_PCI_ULTRA_3150  (ASC_CHIP_VER_PCI | 0x02)
#define ASC_CHIP_VER_PCI_ULTRA_3050  (ASC_CHIP_VER_PCI | 0x03)
#define ASC_CHIP_MIN_VER_EISA (0x41)
#define ASC_CHIP_MAX_VER_EISA (0x47)
#define ASC_CHIP_VER_EISA_BIT (0x40)
#define ASC_CHIP_LATEST_VER_EISA   ((ASC_CHIP_MIN_VER_EISA - 1) + 3)
#define ASC_MAX_LIB_SUPPORTED_ISA_CHIP_VER   0x21
#define ASC_MAX_LIB_SUPPORTED_PCI_CHIP_VER   0x0A
#define ASC_MAX_VL_DMA_ADDR     (0x07FFFFFFL)
#define ASC_MAX_VL_DMA_COUNT    (0x07FFFFFFL)
#define ASC_MAX_PCI_DMA_ADDR    (0xFFFFFFFFL)
#define ASC_MAX_PCI_DMA_COUNT   (0xFFFFFFFFL)
#define ASC_MAX_ISA_DMA_ADDR    (0x00FFFFFFL)
#define ASC_MAX_ISA_DMA_COUNT   (0x00FFFFFFL)
#define ASC_MAX_EISA_DMA_ADDR   (0x07FFFFFFL)
#define ASC_MAX_EISA_DMA_COUNT  (0x07FFFFFFL)
#ifndef inpw_noswap
#define inpw_noswap(port)         inpw(port)
#endif
#ifndef outpw_noswap
#define outpw_noswap(port, data)  outpw(port, data)
#endif
#define ASC_SCSI_ID_BITS  3
#define ASC_SCSI_TIX_TYPE     uchar
#define ASC_ALL_DEVICE_BIT_SET  0xFF
#ifdef ASC_WIDESCSI_16
#undef  ASC_SCSI_ID_BITS
#define ASC_SCSI_ID_BITS  4
#define ASC_ALL_DEVICE_BIT_SET  0xFFFF
#endif
#ifdef ASC_WIDESCSI_32
#undef  ASC_SCSI_ID_BITS
#define ASC_SCSI_ID_BITS  5
#define ASC_ALL_DEVICE_BIT_SET  0xFFFFFFFFL
#endif
#if ASC_SCSI_ID_BITS == 3
#define ASC_SCSI_BIT_ID_TYPE  uchar
#define ASC_MAX_TID       7
#define ASC_MAX_LUN       7
#define ASC_SCSI_WIDTH_BIT_SET  0xFF
#elif ASC_SCSI_ID_BITS == 4
#define ASC_SCSI_BIT_ID_TYPE   ushort
#define ASC_MAX_TID         15
#define ASC_MAX_LUN         7
#define ASC_SCSI_WIDTH_BIT_SET  0xFFFF
#elif ASC_SCSI_ID_BITS == 5
#define ASC_SCSI_BIT_ID_TYPE    ulong
#define ASC_MAX_TID         31
#define ASC_MAX_LUN         7
#define ASC_SCSI_WIDTH_BIT_SET  0xFFFFFFFF
#else
#error  ASC_SCSI_ID_BITS definition is wrong
#endif
#define ASC_MAX_SENSE_LEN   32
#define ASC_MIN_SENSE_LEN   14
#define ASC_MAX_CDB_LEN     12
#define ASC_SCSI_RESET_HOLD_TIME_US  60
#define SCSICMD_TestUnitReady     0x00
#define SCSICMD_Rewind            0x01
#define SCSICMD_Rezero            0x01
#define SCSICMD_RequestSense      0x03
#define SCSICMD_Format            0x04
#define SCSICMD_FormatUnit        0x04
#define SCSICMD_Read6             0x08
#define SCSICMD_Write6            0x0A
#define SCSICMD_Seek6             0x0B
#define SCSICMD_Inquiry           0x12
#define SCSICMD_Verify6           0x13
#define SCSICMD_ModeSelect6       0x15
#define SCSICMD_ModeSense6        0x1A
#define SCSICMD_StartStopUnit     0x1B
#define SCSICMD_LoadUnloadTape    0x1B
#define SCSICMD_ReadCapacity      0x25
#define SCSICMD_Read10            0x28
#define SCSICMD_Write10           0x2A
#define SCSICMD_Seek10            0x2B
#define SCSICMD_Erase10           0x2C
#define SCSICMD_WriteAndVerify10  0x2E
#define SCSICMD_Verify10          0x2F
#define SCSICMD_WriteBuffer       0x3B
#define SCSICMD_ReadBuffer        0x3C
#define SCSICMD_ReadLong          0x3E
#define SCSICMD_WriteLong         0x3F
#define SCSICMD_ReadTOC           0x43
#define SCSICMD_ReadHeader        0x44
#define SCSICMD_ModeSelect10      0x55
#define SCSICMD_ModeSense10       0x5A
#define SCSI_TYPE_DASD     0x00
#define SCSI_TYPE_SASD     0x01
#define SCSI_TYPE_PRN      0x02
#define SCSI_TYPE_PROC     0x03
#define SCSI_TYPE_WORM     0x04
#define SCSI_TYPE_CDROM    0x05
#define SCSI_TYPE_SCANNER  0x06
#define SCSI_TYPE_OPTMEM   0x07
#define SCSI_TYPE_MED_CHG  0x08
#define SCSI_TYPE_COMM     0x09
#define SCSI_TYPE_UNKNOWN  0x1F
#define SCSI_TYPE_NO_DVC   0xFF
#define ASC_SCSIDIR_NOCHK    0x00
#define ASC_SCSIDIR_T2H      0x08
#define ASC_SCSIDIR_H2T      0x10
#define ASC_SCSIDIR_NODATA   0x18
#define SCSI_SENKEY_NO_SENSE      0x00
#define SCSI_SENKEY_UNDEFINED     0x01
#define SCSI_SENKEY_NOT_READY     0x02
#define SCSI_SENKEY_MEDIUM_ERR    0x03
#define SCSI_SENKEY_HW_ERR        0x04
#define SCSI_SENKEY_ILLEGAL       0x05
#define SCSI_SENKEY_ATTENTION     0x06
#define SCSI_SENKEY_PROTECTED     0x07
#define SCSI_SENKEY_BLANK         0x08
#define SCSI_SENKEY_V_UNIQUE      0x09
#define SCSI_SENKEY_CPY_ABORT     0x0A
#define SCSI_SENKEY_ABORT         0x0B
#define SCSI_SENKEY_EQUAL         0x0C
#define SCSI_SENKEY_VOL_OVERFLOW  0x0D
#define SCSI_SENKEY_MISCOMP       0x0E
#define SCSI_SENKEY_RESERVED      0x0F
#define SCSI_ASC_NOMEDIA          0x3A
#define ASC_SRB_HOST(x)  ((uchar)((uchar)(x) >> 4))
#define ASC_SRB_TID(x)   ((uchar)((uchar)(x) & (uchar)0x0F))
#define ASC_SRB_LUN(x)   ((uchar)((uint)(x) >> 13))
#define PUT_CDB1(x)   ((uchar)((uint)(x) >> 8))
#define SS_GOOD              0x00
#define SS_CHK_CONDITION     0x02
#define SS_CONDITION_MET     0x04
#define SS_TARGET_BUSY       0x08
#define SS_INTERMID          0x10
#define SS_INTERMID_COND_MET 0x14
#define SS_RSERV_CONFLICT    0x18
#define SS_CMD_TERMINATED    0x22
#define SS_QUEUE_FULL        0x28
#define MS_CMD_DONE    0x00
#define MS_EXTEND      0x01
#define MS_SDTR_LEN    0x03
#define MS_SDTR_CODE   0x01
#define MS_WDTR_LEN    0x02
#define MS_WDTR_CODE   0x03
#define MS_MDP_LEN    0x05
#define MS_MDP_CODE   0x00
#define M1_SAVE_DATA_PTR        0x02
#define M1_RESTORE_PTRS         0x03
#define M1_DISCONNECT           0x04
#define M1_INIT_DETECTED_ERR    0x05
#define M1_ABORT                0x06
#define M1_MSG_REJECT           0x07
#define M1_NO_OP                0x08
#define M1_MSG_PARITY_ERR       0x09
#define M1_LINK_CMD_DONE        0x0A
#define M1_LINK_CMD_DONE_WFLAG  0x0B
#define M1_BUS_DVC_RESET        0x0C