FreeBSD/Linux Kernel Cross Reference
sys/dev/isp/ispreg.h

     /* $FreeBSD: src/sys/dev/isp/ispreg.h,v 1.9.2.4 2000/03/04 06:04:53 mjacob Exp $ */
     /*
      * Machine Independent (well, as best as possible) register
      * definitions for Qlogic ISP SCSI adapters.
      *
      * Copyright (c) 1997, 1998, 1999 by Matthew Jacob
      * NASA/Ames Research Center
      * All rights reserved.
      *
     * Redistribution and use in source and binary forms, with or without
     * modification, are permitted provided that the following conditions
     * are met:
     * 1. Redistributions of source code must retain the above copyright
     *    notice immediately at the beginning of the file, without modification,
     *    this list of conditions, and the following disclaimer.
     * 2. Redistributions in binary form must reproduce the above copyright
     *    notice, this list of conditions and the following disclaimer in the
     *    documentation and/or other materials provided with the distribution.
     * 3. The name of the author may not be used to endorse or promote products
     *    derived from this software without specific prior written permission.
     *
     * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
     * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR
     * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     * SUCH DAMAGE.
     */
    #ifndef _ISPREG_H
    #define _ISPREG_H
    
    /*
     * Hardware definitions for the Qlogic ISP  registers.
     */
    
    /*
     * This defines types of access to various registers.
     *
     *      R:              Read Only
     *      W:              Write Only
     *      RW:             Read/Write
     *
     *      R*, W*, RW*:    Read Only, Write Only, Read/Write, but only
     *                      if RISC processor in ISP is paused.
     */
    
    /*
     * Offsets for various register blocks.
     *
     * Sad but true, different architectures have different offsets.
     *
     * Don't be alarmed if none of this makes sense. The original register
     * layout set some defines in a certain pattern. Everything else has been
     * grafted on since. For example, the ISP1080 manual will state that DMA
     * registers start at 0x80 from the base of the register address space.
     * That's true, but for our purposes, we define DMA_REGS_OFF for the 1080
     * to start at offset 0x60 because the DMA registers are all defined to
     * be DMA_BLOCK+0x20 and so on. Clear?
     */
    
    #define BIU_REGS_OFF                    0x00
    
    #define PCI_MBOX_REGS_OFF               0x70
    #define PCI_MBOX_REGS2100_OFF           0x10
    #define SBUS_MBOX_REGS_OFF              0x80
    
    #define PCI_SXP_REGS_OFF                0x80
    #define SBUS_SXP_REGS_OFF               0x200
    
    #define PCI_RISC_REGS_OFF               0x80
    #define SBUS_RISC_REGS_OFF              0x400
    
    /* Bless me! Chip designers have putzed it again! */
    #define ISP1080_DMA_REGS_OFF            0x60
    #define DMA_REGS_OFF                    0x00    /* same as BIU block */
    
    /*
     * NB:  The *_BLOCK definitions have no specific hardware meaning.
     *      They serve simply to note to the MD layer which block of
     *      registers offsets are being accessed.
     */
    #define _NREG_BLKS      5
    #define _BLK_REG_SHFT   13
    #define _BLK_REG_MASK   (7 << _BLK_REG_SHFT)
    #define BIU_BLOCK       (0 << _BLK_REG_SHFT)
    #define MBOX_BLOCK      (1 << _BLK_REG_SHFT)
    #define SXP_BLOCK       (2 << _BLK_REG_SHFT)
    #define RISC_BLOCK      (3 << _BLK_REG_SHFT)
    #define DMA_BLOCK       (4 << _BLK_REG_SHFT)
    
    /*
     * Bus Interface Block Register Offsets
     */
    
   #define BIU_ID_LO       (BIU_BLOCK+0x0)         /* R  : Bus ID, Low */
   #define         BIU2100_FLASH_ADDR      (BIU_BLOCK+0x0)
   #define BIU_ID_HI       (BIU_BLOCK+0x2)         /* R  : Bus ID, High */
   #define         BIU2100_FLASH_DATA      (BIU_BLOCK+0x2)
   #define BIU_CONF0       (BIU_BLOCK+0x4)         /* R  : Bus Configuration #0 */
   #define BIU_CONF1       (BIU_BLOCK+0x6)         /* R  : Bus Configuration #1 */
   #define         BIU2100_CSR             (BIU_BLOCK+0x6)
   #define BIU_ICR         (BIU_BLOCK+0x8)         /* RW : Bus Interface Ctrl */
   #define BIU_ISR         (BIU_BLOCK+0xA)         /* R  : Bus Interface Status */
   #define BIU_SEMA        (BIU_BLOCK+0xC)         /* RW : Bus Semaphore */
   #define BIU_NVRAM       (BIU_BLOCK+0xE)         /* RW : Bus NVRAM */
   #define DFIFO_COMMAND   (BIU_BLOCK+0x60)        /* RW : Command FIFO Port */
   #define         RDMA2100_CONTROL        DFIFO_COMMAND
   #define DFIFO_DATA      (BIU_BLOCK+0x62)        /* RW : Data FIFO Port */
   
   /*
    * Putzed DMA register layouts.
    */
   #define CDMA_CONF       (DMA_BLOCK+0x20)        /* RW*: DMA Configuration */
   #define         CDMA2100_CONTROL        CDMA_CONF
   #define CDMA_CONTROL    (DMA_BLOCK+0x22)        /* RW*: DMA Control */
   #define CDMA_STATUS     (DMA_BLOCK+0x24)        /* R  : DMA Status */
   #define CDMA_FIFO_STS   (DMA_BLOCK+0x26)        /* R  : DMA FIFO Status */
   #define CDMA_COUNT      (DMA_BLOCK+0x28)        /* RW*: DMA Transfer Count */
   #define CDMA_ADDR0      (DMA_BLOCK+0x2C)        /* RW*: DMA Address, Word 0 */
   #define CDMA_ADDR1      (DMA_BLOCK+0x2E)        /* RW*: DMA Address, Word 1 */
   #define CDMA_ADDR2      (DMA_BLOCK+0x30)        /* RW*: DMA Address, Word 2 */
   #define CDMA_ADDR3      (DMA_BLOCK+0x32)        /* RW*: DMA Address, Word 3 */
   
   #define DDMA_CONF       (DMA_BLOCK+0x40)        /* RW*: DMA Configuration */
   #define         TDMA2100_CONTROL        DDMA_CONF
   #define DDMA_CONTROL    (DMA_BLOCK+0x42)        /* RW*: DMA Control */
   #define DDMA_STATUS     (DMA_BLOCK+0x44)        /* R  : DMA Status */
   #define DDMA_FIFO_STS   (DMA_BLOCK+0x46)        /* R  : DMA FIFO Status */
   #define DDMA_COUNT_LO   (DMA_BLOCK+0x48)        /* RW*: DMA Xfer Count, Low */
   #define DDMA_COUNT_HI   (DMA_BLOCK+0x4A)        /* RW*: DMA Xfer Count, High */
   #define DDMA_ADDR0      (DMA_BLOCK+0x4C)        /* RW*: DMA Address, Word 0 */
   #define DDMA_ADDR1      (DMA_BLOCK+0x4E)        /* RW*: DMA Address, Word 1 */
   /* these are for the 1040A cards */
   #define DDMA_ADDR2      (DMA_BLOCK+0x50)        /* RW*: DMA Address, Word 2 */
   #define DDMA_ADDR3      (DMA_BLOCK+0x52)        /* RW*: DMA Address, Word 3 */
   
   
   /*
    * Bus Interface Block Register Definitions
    */
   /* BUS CONFIGURATION REGISTER #0 */
   #define BIU_CONF0_HW_MASK               0x000F  /* Hardware revision mask */
   /* BUS CONFIGURATION REGISTER #1 */
   
   #define BIU_SBUS_CONF1_PARITY           0x0100  /* Enable parity checking */
   #define BIU_SBUS_CONF1_FCODE_MASK       0x00F0  /* Fcode cycle mask */
   
   #define BIU_PCI_CONF1_FIFO_128          0x0040  /* 128 bytes FIFO threshold */
   #define BIU_PCI_CONF1_FIFO_64           0x0030  /* 64 bytes FIFO threshold */
   #define BIU_PCI_CONF1_FIFO_32           0x0020  /* 32 bytes FIFO threshold */
   #define BIU_PCI_CONF1_FIFO_16           0x0010  /* 16 bytes FIFO threshold */
   #define BIU_BURST_ENABLE                0x0004  /* Global enable Bus bursts */
   #define BIU_SBUS_CONF1_FIFO_64          0x0003  /* 64 bytes FIFO threshold */
   #define BIU_SBUS_CONF1_FIFO_32          0x0002  /* 32 bytes FIFO threshold */
   #define BIU_SBUS_CONF1_FIFO_16          0x0001  /* 16 bytes FIFO threshold */
   #define BIU_SBUS_CONF1_FIFO_8           0x0000  /* 8 bytes FIFO threshold */
   #define BIU_SBUS_CONF1_BURST8           0x0008  /* Enable 8-byte  bursts */
   #define BIU_PCI_CONF1_SXP               0x0008  /* SXP register select */
   
   #define BIU_PCI1080_CONF1_SXP0          0x0100  /* SXP bank #1 select */
   #define BIU_PCI1080_CONF1_SXP1          0x0200  /* SXP bank #2 select */
   #define BIU_PCI1080_CONF1_DMA           0x0300  /* DMA bank select */
   
   /* ISP2100 Bus Control/Status Register */
   
   #define BIU2100_ICSR_REGBSEL            0x30    /* RW: register bank select */
   #define         BIU2100_RISC_REGS       (0 << 4)        /* RISC Regs */
   #define         BIU2100_FB_REGS         (1 << 4)        /* FrameBuffer Regs */
   #define         BIU2100_FPM0_REGS       (2 << 4)        /* FPM 0 Regs */
   #define         BIU2100_FPM1_REGS       (3 << 4)        /* FPM 1 Regs */
   #define BIU2100_PCI64                   0x04    /*  R: 64 Bit PCI slot */
   #define BIU2100_FLASH_ENABLE            0x02    /* RW: Enable Flash RAM */
   #define BIU2100_SOFT_RESET              0x01
   /* SOFT RESET FOR ISP2100 is same bit, but in this register, not ICR */
   
   
   /* BUS CONTROL REGISTER */
   #define BIU_ICR_ENABLE_DMA_INT          0x0020  /* Enable DMA interrupts */
   #define BIU_ICR_ENABLE_CDMA_INT         0x0010  /* Enable CDMA interrupts */
   #define BIU_ICR_ENABLE_SXP_INT          0x0008  /* Enable SXP interrupts */
   #define BIU_ICR_ENABLE_RISC_INT         0x0004  /* Enable Risc interrupts */
   #define BIU_ICR_ENABLE_ALL_INTS         0x0002  /* Global enable all inter */
   #define BIU_ICR_SOFT_RESET              0x0001  /* Soft Reset of ISP */
   
   #define BIU2100_ICR_ENABLE_ALL_INTS     0x8000
   #define BIU2100_ICR_ENA_FPM_INT         0x0020
   #define BIU2100_ICR_ENA_FB_INT          0x0010
   #define BIU2100_ICR_ENA_RISC_INT        0x0008
   #define BIU2100_ICR_ENA_CDMA_INT        0x0004
   #define BIU2100_ICR_ENABLE_RXDMA_INT    0x0002
   #define BIU2100_ICR_ENABLE_TXDMA_INT    0x0001
   #define BIU2100_ICR_DISABLE_ALL_INTS    0x0000
   
   #define ENABLE_INTS(isp)        (IS_SCSI(isp))?  \
    ISP_WRITE(isp, BIU_ICR, BIU_ICR_ENABLE_RISC_INT | BIU_ICR_ENABLE_ALL_INTS) : \
    ISP_WRITE(isp, BIU_ICR, BIU2100_ICR_ENA_RISC_INT | BIU2100_ICR_ENABLE_ALL_INTS)
   
   #define INTS_ENABLED(isp)       ((IS_SCSI(isp))?  \
    (ISP_READ(isp, BIU_ICR) & (BIU_ICR_ENABLE_RISC_INT|BIU_ICR_ENABLE_ALL_INTS)) :\
    (ISP_READ(isp, BIU_ICR) & \
           (BIU2100_ICR_ENA_RISC_INT|BIU2100_ICR_ENABLE_ALL_INTS)))
   
   #define DISABLE_INTS(isp)       ISP_WRITE(isp, BIU_ICR, 0)
   
   /* BUS STATUS REGISTER */
   #define BIU_ISR_DMA_INT                 0x0020  /* DMA interrupt pending */
   #define BIU_ISR_CDMA_INT                0x0010  /* CDMA interrupt pending */
   #define BIU_ISR_SXP_INT                 0x0008  /* SXP interrupt pending */
   #define BIU_ISR_RISC_INT                0x0004  /* Risc interrupt pending */
   #define BIU_ISR_IPEND                   0x0002  /* Global interrupt pending */
   
   #define BIU2100_ISR_INT_PENDING         0x8000  /* Global interrupt pending */
   #define BIU2100_ISR_FPM_INT             0x0020  /* FPM interrupt pending */
   #define BIU2100_ISR_FB_INT              0x0010  /* FB interrupt pending */
   #define BIU2100_ISR_RISC_INT            0x0008  /* Risc interrupt pending */
   #define BIU2100_ISR_CDMA_INT            0x0004  /* CDMA interrupt pending */
   #define BIU2100_ISR_RXDMA_INT_PENDING   0x0002  /* Global interrupt pending */
   #define BIU2100_ISR_TXDMA_INT_PENDING   0x0001  /* Global interrupt pending */
   
   #define INT_PENDING(isp, isr)   (IS_FC(isp)? \
           ((isr & BIU2100_ISR_RISC_INT) != 0) : ((isr & BIU_ISR_RISC_INT) != 0))
   
   /* BUS SEMAPHORE REGISTER */
   #define BIU_SEMA_STATUS         0x0002  /* Semaphore Status Bit */
   #define BIU_SEMA_LOCK           0x0001  /* Semaphore Lock Bit */
   
   /* NVRAM SEMAPHORE REGISTER */
   #define BIU_NVRAM_CLOCK         0x0001
   #define BIU_NVRAM_SELECT        0x0002
   #define BIU_NVRAM_DATAOUT       0x0004
   #define BIU_NVRAM_DATAIN        0x0008
   #define         ISP_NVRAM_READ          6
   
   /* COMNMAND && DATA DMA CONFIGURATION REGISTER */
   #define DMA_ENABLE_SXP_DMA              0x0008  /* Enable SXP to DMA Data */
   #define DMA_ENABLE_INTS                 0x0004  /* Enable interrupts to RISC */
   #define DMA_ENABLE_BURST                0x0002  /* Enable Bus burst trans */
   #define DMA_DMA_DIRECTION               0x0001  /*
                                                    * Set DMA direction:
                                                    *      0 - DMA FIFO to host
                                                    *      1 - Host to DMA FIFO
                                                    */
   
   /* COMMAND && DATA DMA CONTROL REGISTER */
   #define DMA_CNTRL_SUSPEND_CHAN          0x0010  /* Suspend DMA transfer */
   #define DMA_CNTRL_CLEAR_CHAN            0x0008  /*
                                                    * Clear FIFO and DMA Channel,
                                                    * reset DMA registers
                                                    */
   #define DMA_CNTRL_CLEAR_FIFO            0x0004  /* Clear DMA FIFO */
   #define DMA_CNTRL_RESET_INT             0x0002  /* Clear DMA interrupt */
   #define DMA_CNTRL_STROBE                0x0001  /* Start DMA transfer */
   
   /*
    * Variants of same for 2100
    */
   #define DMA_CNTRL2100_CLEAR_CHAN        0x0004
   #define DMA_CNTRL2100_RESET_INT         0x0002
   
   
   
   /* DMA STATUS REGISTER */
   #define DMA_SBUS_STATUS_PIPE_MASK       0x00C0  /* DMA Pipeline status mask */
   #define DMA_SBUS_STATUS_CHAN_MASK       0x0030  /* Channel status mask */
   #define DMA_SBUS_STATUS_BUS_PARITY      0x0008  /* Parity Error on bus */
   #define DMA_SBUS_STATUS_BUS_ERR         0x0004  /* Error Detected on bus */
   #define DMA_SBUS_STATUS_TERM_COUNT      0x0002  /* DMA Transfer Completed */
   #define DMA_SBUS_STATUS_INTERRUPT       0x0001  /* Enable DMA channel inter */
   
   #define DMA_PCI_STATUS_INTERRUPT        0x8000  /* Enable DMA channel inter */
   #define DMA_PCI_STATUS_RETRY_STAT       0x4000  /* Retry status */
   #define DMA_PCI_STATUS_CHAN_MASK        0x3000  /* Channel status mask */
   #define DMA_PCI_STATUS_FIFO_OVR         0x0100  /* DMA FIFO overrun cond */
   #define DMA_PCI_STATUS_FIFO_UDR         0x0080  /* DMA FIFO underrun cond */
   #define DMA_PCI_STATUS_BUS_ERR          0x0040  /* Error Detected on bus */
   #define DMA_PCI_STATUS_BUS_PARITY       0x0020  /* Parity Error on bus */
   #define DMA_PCI_STATUS_CLR_PEND         0x0010  /* DMA clear pending */
   #define DMA_PCI_STATUS_TERM_COUNT       0x0008  /* DMA Transfer Completed */
   #define DMA_PCI_STATUS_DMA_SUSP         0x0004  /* DMA suspended */
   #define DMA_PCI_STATUS_PIPE_MASK        0x0003  /* DMA Pipeline status mask */
   
   /* DMA Status Register, pipeline status bits */
   #define DMA_SBUS_PIPE_FULL              0x00C0  /* Both pipeline stages full */
   #define DMA_SBUS_PIPE_OVERRUN           0x0080  /* Pipeline overrun */
   #define DMA_SBUS_PIPE_STAGE1            0x0040  /*
                                                    * Pipeline stage 1 Loaded,
                                                    * stage 2 empty
                                                    */
   #define DMA_PCI_PIPE_FULL               0x0003  /* Both pipeline stages full */
   #define DMA_PCI_PIPE_OVERRUN            0x0002  /* Pipeline overrun */
   #define DMA_PCI_PIPE_STAGE1             0x0001  /*
                                                    * Pipeline stage 1 Loaded,
                                                    * stage 2 empty
                                                    */
   #define DMA_PIPE_EMPTY                  0x0000  /* All pipeline stages empty */
   
   /* DMA Status Register, channel status bits */
   #define DMA_SBUS_CHAN_SUSPEND   0x0030  /* Channel error or suspended */
   #define DMA_SBUS_CHAN_TRANSFER  0x0020  /* Chan transfer in progress */
   #define DMA_SBUS_CHAN_ACTIVE    0x0010  /* Chan trans to host active */
   #define DMA_PCI_CHAN_TRANSFER   0x3000  /* Chan transfer in progress */
   #define DMA_PCI_CHAN_SUSPEND    0x2000  /* Channel error or suspended */
   #define DMA_PCI_CHAN_ACTIVE     0x1000  /* Chan trans to host active */
   #define ISP_DMA_CHAN_IDLE       0x0000  /* Chan idle (normal comp) */
   
   
   /* DMA FIFO STATUS REGISTER */
   #define DMA_FIFO_STATUS_OVERRUN         0x0200  /* FIFO Overrun Condition */
   #define DMA_FIFO_STATUS_UNDERRUN        0x0100  /* FIFO Underrun Condition */
   #define DMA_FIFO_SBUS_COUNT_MASK        0x007F  /* FIFO Byte count mask */
   #define DMA_FIFO_PCI_COUNT_MASK         0x00FF  /* FIFO Byte count mask */
   
   /*
    * Mailbox Block Register Offsets
    */
   
   #define INMAILBOX0      (MBOX_BLOCK+0x0)
   #define INMAILBOX1      (MBOX_BLOCK+0x2)
   #define INMAILBOX2      (MBOX_BLOCK+0x4)
   #define INMAILBOX3      (MBOX_BLOCK+0x6)
   #define INMAILBOX4      (MBOX_BLOCK+0x8)
   #define INMAILBOX5      (MBOX_BLOCK+0xA)
   #define INMAILBOX6      (MBOX_BLOCK+0xC)
   #define INMAILBOX7      (MBOX_BLOCK+0xE)
   
   #define OUTMAILBOX0     (MBOX_BLOCK+0x0)
   #define OUTMAILBOX1     (MBOX_BLOCK+0x2)
   #define OUTMAILBOX2     (MBOX_BLOCK+0x4)
   #define OUTMAILBOX3     (MBOX_BLOCK+0x6)
   #define OUTMAILBOX4     (MBOX_BLOCK+0x8)
   #define OUTMAILBOX5     (MBOX_BLOCK+0xA)
   #define OUTMAILBOX6     (MBOX_BLOCK+0xC)
   #define OUTMAILBOX7     (MBOX_BLOCK+0xE)
   
   #define OMBOX_OFFN(n)   (MBOX_BLOCK + (n * 2))
   #define NMBOX(isp)      \
           (((((isp)->isp_type & ISP_HA_SCSI) >= ISP_HA_SCSI_1040A) || \
            ((isp)->isp_type & ISP_HA_FC))? 8 : 6)
   
   /*
    * SXP Block Register Offsets
    */
   #define SXP_PART_ID     (SXP_BLOCK+0x0)         /* R  : Part ID Code */
   #define SXP_CONFIG1     (SXP_BLOCK+0x2)         /* RW*: Configuration Reg #1 */
   #define SXP_CONFIG2     (SXP_BLOCK+0x4)         /* RW*: Configuration Reg #2 */
   #define SXP_CONFIG3     (SXP_BLOCK+0x6)         /* RW*: Configuration Reg #2 */
   #define SXP_INSTRUCTION (SXP_BLOCK+0xC)         /* RW*: Instruction Pointer */
   #define SXP_RETURN_ADDR (SXP_BLOCK+0x10)        /* RW*: Return Address */
   #define SXP_COMMAND     (SXP_BLOCK+0x14)        /* RW*: Command */
   #define SXP_INTERRUPT   (SXP_BLOCK+0x18)        /* R  : Interrupt */
   #define SXP_SEQUENCE    (SXP_BLOCK+0x1C)        /* RW*: Sequence */
   #define SXP_GROSS_ERR   (SXP_BLOCK+0x1E)        /* R  : Gross Error */
   #define SXP_EXCEPTION   (SXP_BLOCK+0x20)        /* RW*: Exception Enable */
   #define SXP_OVERRIDE    (SXP_BLOCK+0x24)        /* RW*: Override */
   #define SXP_LIT_BASE    (SXP_BLOCK+0x28)        /* RW*: Literal Base */
   #define SXP_USER_FLAGS  (SXP_BLOCK+0x2C)        /* RW*: User Flags */
   #define SXP_USER_EXCEPT (SXP_BLOCK+0x30)        /* RW*: User Exception */
   #define SXP_BREAKPOINT  (SXP_BLOCK+0x34)        /* RW*: Breakpoint */
   #define SXP_SCSI_ID     (SXP_BLOCK+0x40)        /* RW*: SCSI ID */
   #define SXP_DEV_CONFIG1 (SXP_BLOCK+0x42)        /* RW*: Device Config Reg #1 */
   #define SXP_DEV_CONFIG2 (SXP_BLOCK+0x44)        /* RW*: Device Config Reg #2 */
   #define SXP_PHASE_PTR   (SXP_BLOCK+0x48)        /* RW*: SCSI Phase Pointer */
   #define SXP_BUF_PTR     (SXP_BLOCK+0x4C)        /* RW*: SCSI Buffer Pointer */
   #define SXP_BUF_CTR     (SXP_BLOCK+0x50)        /* RW*: SCSI Buffer Counter */
   #define SXP_BUFFER      (SXP_BLOCK+0x52)        /* RW*: SCSI Buffer */
   #define SXP_BUF_BYTE    (SXP_BLOCK+0x54)        /* RW*: SCSI Buffer Byte */
   #define SXP_BUF_WD      (SXP_BLOCK+0x56)        /* RW*: SCSI Buffer Word */
   #define SXP_BUF_WD_TRAN (SXP_BLOCK+0x58)        /* RW*: SCSI Buffer Wd xlate */
   #define SXP_FIFO        (SXP_BLOCK+0x5A)        /* RW*: SCSI FIFO */
   #define SXP_FIFO_STATUS (SXP_BLOCK+0x5C)        /* RW*: SCSI FIFO Status */
   #define SXP_FIFO_TOP    (SXP_BLOCK+0x5E)        /* RW*: SCSI FIFO Top Resid */
   #define SXP_FIFO_BOTTOM (SXP_BLOCK+0x60)        /* RW*: SCSI FIFO Bot Resid */
   #define SXP_TRAN_REG    (SXP_BLOCK+0x64)        /* RW*: SCSI Transferr Reg */
   #define SXP_TRAN_CNT_LO (SXP_BLOCK+0x68)        /* RW*: SCSI Trans Count */
   #define SXP_TRAN_CNT_HI (SXP_BLOCK+0x6A)        /* RW*: SCSI Trans Count */
   #define SXP_TRAN_CTR_LO (SXP_BLOCK+0x6C)        /* RW*: SCSI Trans Counter */
   #define SXP_TRAN_CTR_HI (SXP_BLOCK+0x6E)        /* RW*: SCSI Trans Counter */
   #define SXP_ARB_DATA    (SXP_BLOCK+0x70)        /* R  : SCSI Arb Data */
   #define SXP_PINS_CTRL   (SXP_BLOCK+0x72)        /* RW*: SCSI Control Pins */
   #define SXP_PINS_DATA   (SXP_BLOCK+0x74)        /* RW*: SCSI Data Pins */
   #define SXP_PINS_DIFF   (SXP_BLOCK+0x76)        /* RW*: SCSI Diff Pins */
   
   /* for 1080/1280/1240 only */
   #define SXP_BANK1_SELECT        0x100
   
   
   /* SXP CONF1 REGISTER */
   #define SXP_CONF1_ASYNCH_SETUP          0xF000  /* Asynchronous setup time */
   #define SXP_CONF1_SELECTION_UNIT        0x0000  /* Selection time unit */
   #define SXP_CONF1_SELECTION_TIMEOUT     0x0600  /* Selection timeout */
   #define SXP_CONF1_CLOCK_FACTOR          0x00E0  /* Clock factor */
   #define SXP_CONF1_SCSI_ID               0x000F  /* SCSI id */
   
   /* SXP CONF2 REGISTER */
   #define SXP_CONF2_DISABLE_FILTER        0x0040  /* Disable SCSI rec filters */
   #define SXP_CONF2_REQ_ACK_PULLUPS       0x0020  /* Enable req/ack pullups */
   #define SXP_CONF2_DATA_PULLUPS          0x0010  /* Enable data pullups */
   #define SXP_CONF2_CONFIG_AUTOLOAD       0x0008  /* Enable dev conf auto-load */
   #define SXP_CONF2_RESELECT              0x0002  /* Enable reselection */
   #define SXP_CONF2_SELECT                0x0001  /* Enable selection */
   
   /* SXP INTERRUPT REGISTER */
   #define SXP_INT_PARITY_ERR              0x8000  /* Parity error detected */
   #define SXP_INT_GROSS_ERR               0x4000  /* Gross error detected */
   #define SXP_INT_FUNCTION_ABORT          0x2000  /* Last cmd aborted */
   #define SXP_INT_CONDITION_FAILED        0x1000  /* Last cond failed test */
   #define SXP_INT_FIFO_EMPTY              0x0800  /* SCSI FIFO is empty */
   #define SXP_INT_BUF_COUNTER_ZERO        0x0400  /* SCSI buf count == zero */
   #define SXP_INT_XFER_ZERO               0x0200  /* SCSI trans count == zero */
   #define SXP_INT_INT_PENDING             0x0080  /* SXP interrupt pending */
   #define SXP_INT_CMD_RUNNING             0x0040  /* SXP is running a command */
   #define SXP_INT_INT_RETURN_CODE         0x000F  /* Interrupt return code */
   
   
   /* SXP GROSS ERROR REGISTER */
   #define SXP_GROSS_OFFSET_RESID          0x0040  /* Req/Ack offset not zero */
   #define SXP_GROSS_OFFSET_UNDERFLOW      0x0020  /* Req/Ack offset underflow */
   #define SXP_GROSS_OFFSET_OVERFLOW       0x0010  /* Req/Ack offset overflow */
   #define SXP_GROSS_FIFO_UNDERFLOW        0x0008  /* SCSI FIFO underflow */
   #define SXP_GROSS_FIFO_OVERFLOW         0x0004  /* SCSI FIFO overflow */
   #define SXP_GROSS_WRITE_ERR             0x0002  /* SXP and RISC wrote to reg */
   #define SXP_GROSS_ILLEGAL_INST          0x0001  /* Bad inst loaded into SXP */
   
   /* SXP EXCEPTION REGISTER */
   #define SXP_EXCEPT_USER_0               0x8000  /* Enable user exception #0 */
   #define SXP_EXCEPT_USER_1               0x4000  /* Enable user exception #1 */
   #define PCI_SXP_EXCEPT_SCAM             0x0400  /* SCAM Selection enable */
   #define SXP_EXCEPT_BUS_FREE             0x0200  /* Enable Bus Free det */
   #define SXP_EXCEPT_TARGET_ATN           0x0100  /* Enable TGT mode atten det */
   #define SXP_EXCEPT_RESELECTED           0x0080  /* Enable ReSEL exc handling */
   #define SXP_EXCEPT_SELECTED             0x0040  /* Enable SEL exc handling */
   #define SXP_EXCEPT_ARBITRATION          0x0020  /* Enable ARB exc handling */
   #define SXP_EXCEPT_GROSS_ERR            0x0010  /* Enable gross error except */
   #define SXP_EXCEPT_BUS_RESET            0x0008  /* Enable Bus Reset except */
   
           /* SXP OVERRIDE REGISTER */
   #define SXP_ORIDE_EXT_TRIGGER           0x8000  /* Enable external trigger */
   #define SXP_ORIDE_STEP                  0x4000  /* Enable single step mode */
   #define SXP_ORIDE_BREAKPOINT            0x2000  /* Enable breakpoint reg */
   #define SXP_ORIDE_PIN_WRITE             0x1000  /* Enable write to SCSI pins */
   #define SXP_ORIDE_FORCE_OUTPUTS         0x0800  /* Force SCSI outputs on */
   #define SXP_ORIDE_LOOPBACK              0x0400  /* Enable SCSI loopback mode */
   #define SXP_ORIDE_PARITY_TEST           0x0200  /* Enable parity test mode */
   #define SXP_ORIDE_TRISTATE_ENA_PINS     0x0100  /* Tristate SCSI enable pins */
   #define SXP_ORIDE_TRISTATE_PINS         0x0080  /* Tristate SCSI pins */
   #define SXP_ORIDE_FIFO_RESET            0x0008  /* Reset SCSI FIFO */
   #define SXP_ORIDE_CMD_TERMINATE         0x0004  /* Terminate cur SXP com */
   #define SXP_ORIDE_RESET_REG             0x0002  /* Reset SXP registers */
   #define SXP_ORIDE_RESET_MODULE          0x0001  /* Reset SXP module */
   
   /* SXP COMMANDS */
   #define SXP_RESET_BUS_CMD               0x300b
   
   /* SXP SCSI ID REGISTER */
   #define SXP_SELECTING_ID                0x0F00  /* (Re)Selecting id */
   #define SXP_SELECT_ID                   0x000F  /* Select id */
   
   /* SXP DEV CONFIG1 REGISTER */
   #define SXP_DCONF1_SYNC_HOLD            0x7000  /* Synchronous data hold */
   #define SXP_DCONF1_SYNC_SETUP           0x0F00  /* Synchronous data setup */
   #define SXP_DCONF1_SYNC_OFFSET          0x000F  /* Synchronous data offset */
   
   
   /* SXP DEV CONFIG2 REGISTER */
   #define SXP_DCONF2_FLAGS_MASK           0xF000  /* Device flags */
   #define SXP_DCONF2_WIDE                 0x0400  /* Enable wide SCSI */
   #define SXP_DCONF2_PARITY               0x0200  /* Enable parity checking */
   #define SXP_DCONF2_BLOCK_MODE           0x0100  /* Enable blk mode xfr count */
   #define SXP_DCONF2_ASSERTION_MASK       0x0007  /* Assersion period mask */
   
   
   /* SXP PHASE POINTER REGISTER */
   #define SXP_PHASE_STATUS_PTR            0x1000  /* Status buffer offset */
   #define SXP_PHASE_MSG_IN_PTR            0x0700  /* Msg in buffer offset */
   #define SXP_PHASE_COM_PTR               0x00F0  /* Command buffer offset */
   #define SXP_PHASE_MSG_OUT_PTR           0x0007  /* Msg out buffer offset */
   
   
   /* SXP FIFO STATUS REGISTER */
   #define SXP_FIFO_TOP_RESID              0x8000  /* Top residue reg full */
   #define SXP_FIFO_ACK_RESID              0x4000  /* Wide transfers odd resid */
   #define SXP_FIFO_COUNT_MASK             0x001C  /* Words in SXP FIFO */
   #define SXP_FIFO_BOTTOM_RESID           0x0001  /* Bottom residue reg full */
   
   
   /* SXP CONTROL PINS REGISTER */
   #define SXP_PINS_CON_PHASE              0x8000  /* Scsi phase valid */
   #define SXP_PINS_CON_PARITY_HI          0x0400  /* Parity pin */
   #define SXP_PINS_CON_PARITY_LO          0x0200  /* Parity pin */
   #define SXP_PINS_CON_REQ                0x0100  /* SCSI bus REQUEST */
   #define SXP_PINS_CON_ACK                0x0080  /* SCSI bus ACKNOWLEDGE */
   #define SXP_PINS_CON_RST                0x0040  /* SCSI bus RESET */
   #define SXP_PINS_CON_BSY                0x0020  /* SCSI bus BUSY */
   #define SXP_PINS_CON_SEL                0x0010  /* SCSI bus SELECT */
   #define SXP_PINS_CON_ATN                0x0008  /* SCSI bus ATTENTION */
   #define SXP_PINS_CON_MSG                0x0004  /* SCSI bus MESSAGE */
   #define SXP_PINS_CON_CD                 0x0002  /* SCSI bus COMMAND */
   #define SXP_PINS_CON_IO                 0x0001  /* SCSI bus INPUT */
   
   /*
    * Set the hold time for the SCSI Bus Reset to be 250 ms
    */
   #define SXP_SCSI_BUS_RESET_HOLD_TIME    250
   
   /* SXP DIFF PINS REGISTER */
   #define SXP_PINS_DIFF_SENSE             0x0200  /* DIFFSENS sig on SCSI bus */
   #define SXP_PINS_DIFF_MODE              0x0100  /* DIFFM signal */
   #define SXP_PINS_DIFF_ENABLE_OUTPUT     0x0080  /* Enable SXP SCSI data drv */
   #define SXP_PINS_DIFF_PINS_MASK         0x007C  /* Differential control pins */
   #define SXP_PINS_DIFF_TARGET            0x0002  /* Enable SXP target mode */
   #define SXP_PINS_DIFF_INITIATOR         0x0001  /* Enable SXP initiator mode */
   
   /* Ultra2 only */
   #define SXP_PINS_LVD_MODE               0x1000
   #define SXP_PINS_HVD_MODE               0x0800
   #define SXP_PINS_SE_MODE                0x0400
   
   /* The above have to be put together with the DIFFM pin to make sense */
   #define ISP1080_LVD_MODE                (SXP_PINS_LVD_MODE)
   #define ISP1080_HVD_MODE                (SXP_PINS_HVD_MODE|SXP_PINS_DIFF_MODE)
   #define ISP1080_SE_MODE                 (SXP_PINS_SE_MODE)
   #define ISP1080_MODE_MASK       \
       (SXP_PINS_LVD_MODE|SXP_PINS_HVD_MODE|SXP_PINS_SE_MODE|SXP_PINS_DIFF_MODE)
   
   /*
    * RISC and Host Command and Control Block Register Offsets
    */
   
   #define RISC_ACC        RISC_BLOCK+0x0  /* RW*: Accumulator */
   #define RISC_R1         RISC_BLOCK+0x2  /* RW*: GP Reg R1  */
   #define RISC_R2         RISC_BLOCK+0x4  /* RW*: GP Reg R2  */
   #define RISC_R3         RISC_BLOCK+0x6  /* RW*: GP Reg R3  */
   #define RISC_R4         RISC_BLOCK+0x8  /* RW*: GP Reg R4  */
   #define RISC_R5         RISC_BLOCK+0xA  /* RW*: GP Reg R5  */
   #define RISC_R6         RISC_BLOCK+0xC  /* RW*: GP Reg R6  */
   #define RISC_R7         RISC_BLOCK+0xE  /* RW*: GP Reg R7  */
   #define RISC_R8         RISC_BLOCK+0x10 /* RW*: GP Reg R8  */
   #define RISC_R9         RISC_BLOCK+0x12 /* RW*: GP Reg R9  */
   #define RISC_R10        RISC_BLOCK+0x14 /* RW*: GP Reg R10 */
   #define RISC_R11        RISC_BLOCK+0x16 /* RW*: GP Reg R11 */
   #define RISC_R12        RISC_BLOCK+0x18 /* RW*: GP Reg R12 */
   #define RISC_R13        RISC_BLOCK+0x1a /* RW*: GP Reg R13 */
   #define RISC_R14        RISC_BLOCK+0x1c /* RW*: GP Reg R14 */
   #define RISC_R15        RISC_BLOCK+0x1e /* RW*: GP Reg R15 */
   #define RISC_PSR        RISC_BLOCK+0x20 /* RW*: Processor Status */
   #define RISC_IVR        RISC_BLOCK+0x22 /* RW*: Interrupt Vector */
   #define RISC_PCR        RISC_BLOCK+0x24 /* RW*: Processor Ctrl */
   #define RISC_RAR0       RISC_BLOCK+0x26 /* RW*: Ram Address #0 */
   #define RISC_RAR1       RISC_BLOCK+0x28 /* RW*: Ram Address #1 */
   #define RISC_LCR        RISC_BLOCK+0x2a /* RW*: Loop Counter */
   #define RISC_PC         RISC_BLOCK+0x2c /* R  : Program Counter */
   #define RISC_MTR        RISC_BLOCK+0x2e /* RW*: Memory Timing */
   #define         RISC_MTR2100    RISC_BLOCK+0x30
   
   #define RISC_EMB        RISC_BLOCK+0x30 /* RW*: Ext Mem Boundary */
   #define         DUAL_BANK       8
   #define RISC_SP         RISC_BLOCK+0x32 /* RW*: Stack Pointer */
   #define RISC_HRL        RISC_BLOCK+0x3e /* R *: Hardware Rev Level */
   #define HCCR            RISC_BLOCK+0x40 /* RW : Host Command & Ctrl */
   #define BP0             RISC_BLOCK+0x42 /* RW : Processor Brkpt #0 */
   #define BP1             RISC_BLOCK+0x44 /* RW : Processor Brkpt #1 */
   #define TCR             RISC_BLOCK+0x46 /*  W : Test Control */
   #define TMR             RISC_BLOCK+0x48 /*  W : Test Mode */
   
   
   /* PROCESSOR STATUS REGISTER */
   #define RISC_PSR_FORCE_TRUE             0x8000
   #define RISC_PSR_LOOP_COUNT_DONE        0x4000
   #define RISC_PSR_RISC_INT               0x2000
   #define RISC_PSR_TIMER_ROLLOVER         0x1000
   #define RISC_PSR_ALU_OVERFLOW           0x0800
   #define RISC_PSR_ALU_MSB                0x0400
   #define RISC_PSR_ALU_CARRY              0x0200
   #define RISC_PSR_ALU_ZERO               0x0100
   
   #define RISC_PSR_PCI_ULTRA              0x0080
   #define RISC_PSR_SBUS_ULTRA             0x0020
   
   #define RISC_PSR_DMA_INT                0x0010
   #define RISC_PSR_SXP_INT                0x0008
   #define RISC_PSR_HOST_INT               0x0004
   #define RISC_PSR_INT_PENDING            0x0002
   #define RISC_PSR_FORCE_FALSE            0x0001
   
   
   /* Host Command and Control */
   #define HCCR_CMD_NOP                    0x0000  /* NOP */
   #define HCCR_CMD_RESET                  0x1000  /* Reset RISC */
   #define HCCR_CMD_PAUSE                  0x2000  /* Pause RISC */
   #define HCCR_CMD_RELEASE                0x3000  /* Release Paused RISC */
   #define HCCR_CMD_STEP                   0x4000  /* Single Step RISC */
   #define HCCR_CMD_SET_HOST_INT           0x5000  /* Set Host Interrupt */
   #define HCCR_CMD_CLEAR_HOST_INT         0x6000  /* Clear Host Interrupt */
   #define HCCR_CMD_CLEAR_RISC_INT         0x7000  /* Clear RISC interrupt */
   #define HCCR_CMD_BREAKPOINT             0x8000  /* Change breakpoint enables */
   #define PCI_HCCR_CMD_BIOS               0x9000  /* Write BIOS (disable) */
   #define PCI_HCCR_CMD_PARITY             0xA000  /* Write parity enable */
   #define PCI_HCCR_CMD_PARITY_ERR         0xE000  /* Generate parity error */
   #define HCCR_CMD_TEST_MODE              0xF000  /* Set Test Mode */
   
   #define ISP2100_HCCR_PARITY_ENABLE_2    0x0400
   #define ISP2100_HCCR_PARITY_ENABLE_1    0x0200
   #define ISP2100_HCCR_PARITY_ENABLE_0    0x0100
   #define ISP2100_HCCR_PARITY             0x0001
   
   #define PCI_HCCR_PARITY                 0x0400  /* Parity error flag */
   #define PCI_HCCR_PARITY_ENABLE_1        0x0200  /* Parity enable bank 1 */
   #define PCI_HCCR_PARITY_ENABLE_0        0x0100  /* Parity enable bank 0 */
   
   #define HCCR_HOST_INT                   0x0080  /* R  : Host interrupt set */
   #define HCCR_RESET                      0x0040  /* R  : reset in progress */
   #define HCCR_PAUSE                      0x0020  /* R  : RISC paused */
   
   #define PCI_HCCR_BIOS                   0x0001  /*  W : BIOS enable */
   
   /*
    * NVRAM Definitions (PCI cards only)
    */
   
   #define ISPBSMX(c, byte, shift, mask)   \
           (((c)[(byte)] >> (shift)) & (mask))
   /*
    * Qlogic 1020/1040 NVRAM is an array of 128 bytes.
    *
    * Some portion of the front of this is for general host adapter properties
    * This is followed by an array of per-target parameters, and is tailed off
    * with a checksum xor byte at offset 127. For non-byte entities data is
    * stored in Little Endian order.
    */
   
   #define ISP_NVRAM_SIZE  128
   
   #define ISP_NVRAM_VERSION(c)                    (c)[4]
   #define ISP_NVRAM_FIFO_THRESHOLD(c)             ISPBSMX(c, 5, 0, 0x03)
   #define ISP_NVRAM_BIOS_DISABLE(c)               ISPBSMX(c, 5, 2, 0x01)
   #define ISP_NVRAM_HBA_ENABLE(c)                 ISPBSMX(c, 5, 3, 0x01)
   #define ISP_NVRAM_INITIATOR_ID(c)               ISPBSMX(c, 5, 4, 0x0f)
   #define ISP_NVRAM_BUS_RESET_DELAY(c)            (c)[6]
   #define ISP_NVRAM_BUS_RETRY_COUNT(c)            (c)[7]
   #define ISP_NVRAM_BUS_RETRY_DELAY(c)            (c)[8]
   #define ISP_NVRAM_ASYNC_DATA_SETUP_TIME(c)      ISPBSMX(c, 9, 0, 0x0f)
   #define ISP_NVRAM_REQ_ACK_ACTIVE_NEGATION(c)    ISPBSMX(c, 9, 4, 0x01)
   #define ISP_NVRAM_DATA_LINE_ACTIVE_NEGATION(c)  ISPBSMX(c, 9, 5, 0x01)
   #define ISP_NVRAM_DATA_DMA_BURST_ENABLE(c)      ISPBSMX(c, 9, 6, 0x01)
   #define ISP_NVRAM_CMD_DMA_BURST_ENABLE(c)       ISPBSMX(c, 9, 7, 0x01)
   #define ISP_NVRAM_TAG_AGE_LIMIT(c)              (c)[10]
   #define ISP_NVRAM_LOWTRM_ENABLE(c)              ISPBSMX(c, 11, 0, 0x01)
   #define ISP_NVRAM_HITRM_ENABLE(c)               ISPBSMX(c, 11, 1, 0x01)
   #define ISP_NVRAM_PCMC_BURST_ENABLE(c)          ISPBSMX(c, 11, 2, 0x01)
   #define ISP_NVRAM_ENABLE_60_MHZ(c)              ISPBSMX(c, 11, 3, 0x01)
   #define ISP_NVRAM_SCSI_RESET_DISABLE(c)         ISPBSMX(c, 11, 4, 0x01)
   #define ISP_NVRAM_ENABLE_AUTO_TERM(c)           ISPBSMX(c, 11, 5, 0x01)
   #define ISP_NVRAM_FIFO_THRESHOLD_128(c)         ISPBSMX(c, 11, 6, 0x01)
   #define ISP_NVRAM_AUTO_TERM_SUPPORT(c)          ISPBSMX(c, 11, 7, 0x01)
   #define ISP_NVRAM_SELECTION_TIMEOUT(c)          (((c)[12]) | ((c)[13] << 8))
   #define ISP_NVRAM_MAX_QUEUE_DEPTH(c)            (((c)[14]) | ((c)[15] << 8))
   #define ISP_NVRAM_SCSI_BUS_SIZE(c)              ISPBSMX(c, 16, 0, 0x01)
   #define ISP_NVRAM_SCSI_BUS_TYPE(c)              ISPBSMX(c, 16, 1, 0x01)
   #define ISP_NVRAM_ADAPTER_CLK_SPEED(c)          ISPBSMX(c, 16, 2, 0x01)
   #define ISP_NVRAM_SOFT_TERM_SUPPORT(c)          ISPBSMX(c, 16, 3, 0x01)
   #define ISP_NVRAM_FLASH_ONBOARD(c)              ISPBSMX(c, 16, 4, 0x01)
   #define ISP_NVRAM_FAST_MTTR_ENABLE(c)           ISPBSMX(c, 22, 0, 0x01)
   
   #define ISP_NVRAM_TARGOFF                       28
   #define ISP_NVARM_TARGSIZE                      6
   #define _IxT(tgt, tidx)                 \
           (ISP_NVRAM_TARGOFF + (ISP_NVARM_TARGSIZE * (tgt)) + (tidx))
   #define ISP_NVRAM_TGT_RENEG(c, t)               ISPBSMX(c, _IxT(t, 0), 0, 0x01)
   #define ISP_NVRAM_TGT_QFRZ(c, t)                ISPBSMX(c, _IxT(t, 0), 1, 0x01)
   #define ISP_NVRAM_TGT_ARQ(c, t)                 ISPBSMX(c, _IxT(t, 0), 2, 0x01)
   #define ISP_NVRAM_TGT_TQING(c, t)               ISPBSMX(c, _IxT(t, 0), 3, 0x01)
   #define ISP_NVRAM_TGT_SYNC(c, t)                ISPBSMX(c, _IxT(t, 0), 4, 0x01)
   #define ISP_NVRAM_TGT_WIDE(c, t)                ISPBSMX(c, _IxT(t, 0), 5, 0x01)
   #define ISP_NVRAM_TGT_PARITY(c, t)              ISPBSMX(c, _IxT(t, 0), 6, 0x01)
   #define ISP_NVRAM_TGT_DISC(c, t)                ISPBSMX(c, _IxT(t, 0), 7, 0x01)
   #define ISP_NVRAM_TGT_EXEC_THROTTLE(c, t)       ISPBSMX(c, _IxT(t, 1), 0, 0xff)
   #define ISP_NVRAM_TGT_SYNC_PERIOD(c, t)         ISPBSMX(c, _IxT(t, 2), 0, 0xff)
   #define ISP_NVRAM_TGT_SYNC_OFFSET(c, t)         ISPBSMX(c, _IxT(t, 3), 0, 0x0f)
   #define ISP_NVRAM_TGT_DEVICE_ENABLE(c, t)       ISPBSMX(c, _IxT(t, 3), 4, 0x01)
   #define ISP_NVRAM_TGT_LUN_DISABLE(c, t)         ISPBSMX(c, _IxT(t, 3), 5, 0x01)
   
   /*
    * Qlogic 1080/1240 NVRAM is an array of 256 bytes.
    *
    * Some portion of the front of this is for general host adapter properties
    * This is followed by an array of per-target parameters, and is tailed off
    * with a checksum xor byte at offset 256. For non-byte entities data is
    * stored in Little Endian order.
    */
   
   #define ISP1080_NVRAM_SIZE      256
   
   #define ISP1080_NVRAM_VERSION(c)                ISP_NVRAM_VERSION(c)
   
   /* Offset 5 */
   /*
           uint8_t bios_configuration_mode     :2;
           uint8_t bios_disable                :1;
           uint8_t selectable_scsi_boot_enable :1;
           uint8_t cd_rom_boot_enable          :1;
           uint8_t disable_loading_risc_code   :1;
           uint8_t enable_64bit_addressing     :1;
           uint8_t unused_7                    :1;
    */
   
   /* Offsets 6, 7 */
   /*
           uint8_t boot_lun_number    :5;
           uint8_t scsi_bus_number    :1;
           uint8_t unused_6           :1;
           uint8_t unused_7           :1;
           uint8_t boot_target_number :4;
           uint8_t unused_12          :1;
           uint8_t unused_13          :1;
           uint8_t unused_14          :1;
           uint8_t unused_15          :1;
    */
   
   #define ISP1080_NVRAM_HBA_ENABLE(c)                     ISPBSMX(c, 16, 3, 0x01)
   
   #define ISP1080_NVRAM_BURST_ENABLE(c)                   ISPBSMX(c, 16, 1, 0x01)
   #define ISP1080_NVRAM_FIFO_THRESHOLD(c)                 ISPBSMX(c, 16, 4, 0x0f)
   
   #define ISP1080_NVRAM_AUTO_TERM_SUPPORT(c)              ISPBSMX(c, 17, 7, 0x01)
   #define ISP1080_NVRAM_BUS0_TERM_MODE(c)                 ISPBSMX(c, 17, 0, 0x03)
   #define ISP1080_NVRAM_BUS1_TERM_MODE(c)                 ISPBSMX(c, 17, 2, 0x03)
   
   #define ISP1080_ISP_PARAMETER(c)                        \
           (((c)[18]) | ((c)[19] << 8))
   
   #define ISP1080_FAST_POST(c)                            ISPBSMX(c, 20, 0, 0x01)
   #define ISP1080_REPORT_LVD_TRANSITION(c)                ISPBSMX(c, 20, 1, 0x01)
   
   #define ISP1080_BUS1_OFF                                112
   
   #define ISP1080_NVRAM_INITIATOR_ID(c, b)                \
           ISPBSMX(c, ((b == 0)? 0 : ISP1080_BUS1_OFF) + 24, 0, 0x0f)
   #define ISP1080_NVRAM_BUS_RESET_DELAY(c, b)             \
           (c)[((b == 0)? 0 : ISP1080_BUS1_OFF) + 25]
   #define ISP1080_NVRAM_BUS_RETRY_COUNT(c, b)             \
           (c)[((b == 0)? 0 : ISP1080_BUS1_OFF) + 26]
   #define ISP1080_NVRAM_BUS_RETRY_DELAY(c, b)             \
           (c)[((b == 0)? 0 : ISP1080_BUS1_OFF) + 27]
   
   #define ISP1080_NVRAM_ASYNC_DATA_SETUP_TIME(c, b)       \
           ISPBSMX(c, ((b == 0)? 0 : ISP1080_BUS1_OFF) + 28, 0, 0x0f)
   #define ISP1080_NVRAM_REQ_ACK_ACTIVE_NEGATION(c, b)     \
           ISPBSMX(c, ((b == 0)? 0 : ISP1080_BUS1_OFF) + 28, 4, 0x01)
   #define ISP1080_NVRAM_DATA_LINE_ACTIVE_NEGATION(c, b)   \
           ISPBSMX(c, ((b == 0)? 0 : ISP1080_BUS1_OFF) + 28, 5, 0x01)
   #define ISP1080_NVRAM_SELECTION_TIMEOUT(c, b)           \
           (((c)[((b == 0)? 0 : ISP1080_BUS1_OFF) + 30]) | \
           ((c)[((b == 0)? 0 : ISP1080_BUS1_OFF) + 31] << 8))
   #define ISP1080_NVRAM_MAX_QUEUE_DEPTH(c, b)             \
           (((c)[((b == 0)? 0 : ISP1080_BUS1_OFF) + 32]) | \
           ((c)[((b == 0)? 0 : ISP1080_BUS1_OFF) + 33] << 8))
   
   #define ISP1080_NVRAM_TARGOFF(b)                \
           ((b == 0)? 40: (40 + ISP1080_BUS1_OFF))
   #define ISP1080_NVRAM_TARGSIZE                  6
   #define _IxT8(tgt, tidx, b)                     \
           (ISP1080_NVRAM_TARGOFF((b)) + (ISP1080_NVRAM_TARGSIZE * (tgt)) + (tidx))
   
   #define ISP1080_NVRAM_TGT_RENEG(c, t, b)                \
           ISPBSMX(c, _IxT8(t, 0, (b)), 0, 0x01)
   #define ISP1080_NVRAM_TGT_QFRZ(c, t, b)                 \
           ISPBSMX(c, _IxT8(t, 0, (b)), 1, 0x01)
   #define ISP1080_NVRAM_TGT_ARQ(c, t, b)                  \
           ISPBSMX(c, _IxT8(t, 0, (b)), 2, 0x01)
   #define ISP1080_NVRAM_TGT_TQING(c, t, b)                \
           ISPBSMX(c, _IxT8(t, 0, (b)), 3, 0x01)
   #define ISP1080_NVRAM_TGT_SYNC(c, t, b)                 \
           ISPBSMX(c, _IxT8(t, 0, (b)), 4, 0x01)
   #define ISP1080_NVRAM_TGT_WIDE(c, t, b)                 \
           ISPBSMX(c, _IxT8(t, 0, (b)), 5, 0x01)
   #define ISP1080_NVRAM_TGT_PARITY(c, t, b)               \
           ISPBSMX(c, _IxT8(t, 0, (b)), 6, 0x01)
   #define ISP1080_NVRAM_TGT_DISC(c, t, b)                 \
           ISPBSMX(c, _IxT8(t, 0, (b)), 7, 0x01)
   #define ISP1080_NVRAM_TGT_EXEC_THROTTLE(c, t, b)        \
           ISPBSMX(c, _IxT8(t, 1, (b)), 0, 0xff)
   #define ISP1080_NVRAM_TGT_SYNC_PERIOD(c, t, b)          \
           ISPBSMX(c, _IxT8(t, 2, (b)), 0, 0xff)
   #define ISP1080_NVRAM_TGT_SYNC_OFFSET(c, t, b)          \
           ISPBSMX(c, _IxT8(t, 3, (b)), 0, 0x0f)
   #define ISP1080_NVRAM_TGT_DEVICE_ENABLE(c, t, b)        \
           ISPBSMX(c, _IxT8(t, 3, (b)), 4, 0x01)
   #define ISP1080_NVRAM_TGT_LUN_DISABLE(c, t, b)          \
           ISPBSMX(c, _IxT8(t, 3, (b)), 5, 0x01)
   
   #define ISP12160_NVRAM_HBA_ENABLE       ISP1080_NVRAM_HBA_ENABLE
   #define ISP12160_NVRAM_BURST_ENABLE     ISP1080_NVRAM_BURST_ENABLE
   #define ISP12160_NVRAM_FIFO_THRESHOLD   ISP1080_NVRAM_FIFO_THRESHOLD
   #define ISP12160_NVRAM_AUTO_TERM_SUPPORT        ISP1080_NVRAM_AUTO_TERM_SUPPORT
   #define ISP12160_NVRAM_BUS0_TERM_MODE   ISP1080_NVRAM_BUS0_TERM_MODE
   #define ISP12160_NVRAM_BUS1_TERM_MODE   ISP1080_NVRAM_BUS1_TERM_MODE
   #define ISP12160_ISP_PARAMETER          ISP12160_ISP_PARAMETER
   #define ISP12160_FAST_POST              ISP1080_FAST_POST
   #define ISP12160_REPORT_LVD_TRANSITION  ISP1080_REPORT_LVD_TRANSTION
   
   #define ISP12160_NVRAM_INITIATOR_ID                     \
           ISP1080_NVRAM_INITIATOR_ID
   #define ISP12160_NVRAM_BUS_RESET_DELAY                  \
           ISP1080_NVRAM_BUS_RESET_DELAY
   #define ISP12160_NVRAM_BUS_RETRY_COUNT                  \
           ISP1080_NVRAM_BUS_RETRY_COUNT
   #define ISP12160_NVRAM_BUS_RETRY_DELAY                  \
           ISP1080_NVRAM_BUS_RETRY_DELAY
   #define ISP12160_NVRAM_ASYNC_DATA_SETUP_TIME            \
           ISP1080_NVRAM_ASYNC_DATA_SETUP_TIME
   #define ISP12160_NVRAM_REQ_ACK_ACTIVE_NEGATION          \
           ISP1080_NVRAM_REQ_ACK_ACTIVE_NEGATION
   #define ISP12160_NVRAM_DATA_LINE_ACTIVE_NEGATION        \
           ISP1080_NVRAM_DATA_LINE_ACTIVE_NEGATION
   #define ISP12160_NVRAM_SELECTION_TIMEOUT                \
           ISP1080_NVRAM_SELECTION_TIMEOUT
   #define ISP12160_NVRAM_MAX_QUEUE_DEPTH                  \
           ISP1080_NVRAM_MAX_QUEUE_DEPTH
   
   
   #define ISP12160_BUS0_OFF       24
   #define ISP12160_BUS1_OFF       136
   
   #define ISP12160_NVRAM_TARGOFF(b)               \
           (((b == 0)? ISP12160_BUS0_OFF : ISP12160_BUS1_OFF) + 16)
   
   #define ISP12160_NVRAM_TARGSIZE                 6
   #define _IxT16(tgt, tidx, b)                    \
           (ISP12160_NVRAM_TARGOFF((b))+(ISP12160_NVRAM_TARGSIZE * (tgt))+(tidx))
   
   #define ISP12160_NVRAM_TGT_RENEG(c, t, b)               \
           ISPBSMX(c, _IxT16(t, 0, (b)), 0, 0x01)
   #define ISP12160_NVRAM_TGT_QFRZ(c, t, b)                \
           ISPBSMX(c, _IxT16(t, 0, (b)), 1, 0x01)
   #define ISP12160_NVRAM_TGT_ARQ(c, t, b)                 \
           ISPBSMX(c, _IxT16(t, 0, (b)), 2, 0x01)
   #define ISP12160_NVRAM_TGT_TQING(c, t, b)               \
           ISPBSMX(c, _IxT16(t, 0, (b)), 3, 0x01)
   #define ISP12160_NVRAM_TGT_SYNC(c, t, b)                \
           ISPBSMX(c, _IxT16(t, 0, (b)), 4, 0x01)
   #define ISP12160_NVRAM_TGT_WIDE(c, t, b)                \
           ISPBSMX(c, _IxT16(t, 0, (b)), 5, 0x01)
   #define ISP12160_NVRAM_TGT_PARITY(c, t, b)              \
           ISPBSMX(c, _IxT16(t, 0, (b)), 6, 0x01)
   #define ISP12160_NVRAM_TGT_DISC(c, t, b)                \
           ISPBSMX(c, _IxT16(t, 0, (b)), 7, 0x01)
   
   #define ISP12160_NVRAM_TGT_EXEC_THROTTLE(c, t, b)       \
           ISPBSMX(c, _IxT16(t, 1, (b)), 0, 0xff)
   #define ISP12160_NVRAM_TGT_SYNC_PERIOD(c, t, b)         \
           ISPBSMX(c, _IxT16(t, 2, (b)), 0, 0xff)
   
   #define ISP12160_NVRAM_TGT_SYNC_OFFSET(c, t, b)         \
           ISPBSMX(c, _IxT16(t, 3, (b)), 0, 0x1f)
   #define ISP12160_NVRAM_TGT_DEVICE_ENABLE(c, t, b)       \
           ISPBSMX(c, _IxT16(t, 3, (b)), 5, 0x01)
   
   #define ISP12160_NVRAM_PPR_OPTIONS(c, t, b)             \
           ISPBSMX(c, _IxT16(t, 4, (b)), 0, 0x0f)
   #define ISP12160_NVRAM_PPR_WIDTH(c, t, b)               \
           ISPBSMX(c, _IxT16(t, 4, (b)), 4, 0x03)
   #define ISP12160_NVRAM_PPR_ENABLE(c, t, b)              \
           ISPBSMX(c, _IxT16(t, 4, (b)), 7, 0x01)
   
   /*
    * Qlogic 2XXX NVRAM is an array of 256 bytes.
    *
    * Some portion of the front of this is for general RISC engine parameters,
    * mostly reflecting the state of the last INITIALIZE FIRMWARE mailbox command.
    *
    * This is followed by some general host adapter parameters, and ends with
    * a checksum xor byte at offset 255. For non-byte entities data is stored
    * in Little Endian order.
    */
   #define ISP2100_NVRAM_SIZE      256
   /* ISP_NVRAM_VERSION is in same overall place */
   #define ISP2100_NVRAM_RISCVER(c)                (c)[6]
   #define ISP2100_NVRAM_OPTIONS(c)                (c)[8]
   #define ISP2100_NVRAM_MAXFRAMELENGTH(c)         (((c)[10]) | ((c)[11] << 8))
   #define ISP2100_NVRAM_MAXIOCBALLOCATION(c)      (((c)[12]) | ((c)[13] << 8))
   #define ISP2100_NVRAM_EXECUTION_THROTTLE(c)     (((c)[14]) | ((c)[15] << 8))
   #define ISP2100_NVRAM_RETRY_COUNT(c)            (c)[16]
   #define ISP2100_NVRAM_RETRY_DELAY(c)            (c)[17]
   
   #define ISP2100_NVRAM_NODE_NAME(c)      (\
                   (((u_int64_t)(c)[18]) << 56) | \
                   (((u_int64_t)(c)[19]) << 48) | \
                   (((u_int64_t)(c)[20]) << 40) | \
                   (((u_int64_t)(c)[21]) << 32) | \
                   (((u_int64_t)(c)[22]) << 24) | \
                   (((u_int64_t)(c)[23]) << 16) | \
                   (((u_int64_t)(c)[24]) <<  8) | \
                   (((u_int64_t)(c)[25]) <<  0))
   #define ISP2100_NVRAM_HARDLOOPID(c)             (c)[26]
   
   #define ISP2100_NVRAM_HBA_OPTIONS(c)            (c)[70]
   #define ISP2100_NVRAM_HBA_DISABLE(c)            ISPBSMX(c, 70, 0, 0x01)
   #define ISP2100_NVRAM_BIOS_DISABLE(c)           ISPBSMX(c, 70, 1, 0x01)
   #define ISP2100_NVRAM_LUN_DISABLE(c)            ISPBSMX(c, 70, 2, 0x01)
   #define ISP2100_NVRAM_ENABLE_SELECT_BOOT(c)     ISPBSMX(c, 70, 3, 0x01)
   #define ISP2100_NVRAM_DISABLE_CODELOAD(c)       ISPBSMX(c, 70, 4, 0x01)
   #define ISP2100_NVRAM_SET_CACHELINESZ(c)        ISPBSMX(c, 70, 5, 0x01)
   
   #define ISP2100_NVRAM_BOOT_NODE_NAME(c) (\
                   (((u_int64_t)(c)[72]) << 56) | \
                   (((u_int64_t)(c)[73]) << 48) | \
                   (((u_int64_t)(c)[74]) << 40) | \
                   (((u_int64_t)(c)[75]) << 32) | \
                   (((u_int64_t)(c)[76]) << 24) | \
                   (((u_int64_t)(c)[77]) << 16) | \
                   (((u_int64_t)(c)[78]) <<  8) | \
                   (((u_int64_t)(c)[79]) <<  0))
   
   #define ISP2100_NVRAM_BOOT_LUN(c)               (c)[80]
   
   #endif  /* _ISPREG_H */

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