/* $OpenBSD: vsreg.h,v 1.6 2005/12/17 07:31:26 miod Exp $ */ /* * Copyright (c) 1999 Steve Murphree, Jr. * Copyright (c) 1990 The Regents of the University of California. * All rights reserved. * * This code is derived from source contributed by Mark Bellon. * * 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, 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. Neither the name of the University nor the names of its contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE REGENTS 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 REGENTS 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. */ #if !defined(_M328REG_H_) #define _M328REG_H_ typedef struct LONGV { u_short msw; u_short lsw; } LONGV; #define MSW(x) ((x).msw) #define LSW(x) ((x).lsw) /* * macro to convert a unsigned long to a LONGV */ #define LV( a, b) \ { \ MSW( a ) = ( (( (unsigned long)(b) ) >> 16) & 0xffff ); \ LSW( a ) = ( ( (unsigned long)(b) ) & 0xffff); \ } /* * macro to convert a LONGV to a unsigned long */ #define VL( a, b) \ { \ a = ( (((unsigned long) MSW(b)) << 16 ) | (((unsigned long) LSW(b)) & 0x0ffff) ); \ } #define COUGAR 0x4220 /* board type (config. status area) */ #define JAGUAR 0 /* * JAGUAR specific device limits. */ #define JAGUAR_MIN_Q_SIZ 2 /* got'a have at least one! */ #define JAGUAR_MAX_Q_SIZ 2 /* can't have more */ #define JAGUAR_MAX_CTLR_CMDS 80 /* Interphase says so */ /* * COUGAR specific device limits. */ #define COUGAR_MIN_Q_SIZ 2 /* got'a have at least one! */ #define COUGAR_CMDS_PER_256K 42 /* Interphase says so */ /* * Structures */ #define NUM_CQE 10 #define MAX_IOPB 64 #define NUM_IOPB NUM_CQE #define S_IOPB_RES (MAX_IOPB - sizeof(M328_short_IOPB)) #define S_SHORTIO 2048 #define S_IOPB sizeof(M328_IOPB) #define S_CIB sizeof(M328_CIB) #define S_MCSB sizeof(M328_MCSB) #define S_MCE sizeof(M328_CQE) #define S_CQE (sizeof(M328_CQE) * NUM_CQE) #define S_HIOPB (sizeof(M328_IOPB) * NUM_IOPB) #define S_HSB sizeof(M328_HSB) #define S_CRB sizeof(M328_CRB) #define S_CSS sizeof(M328_CSB) #define S_NOT_HOST (S_MCSB + S_MCE + S_CQE + S_HIOPB + S_IOPB + \ S_CIB + S_HSB + S_CRB + S_IOPB + S_CSS) #define S_HUS_FREE (S_SHORTIO - S_NOT_HOST) #define S_WQCF sizeof(M328_WQCF) #define HOST_ID 0x4321 /**************** Master Control Status Block (MCSB) *******************/ /* * defines for Master Status Register */ #define M_MSR_QFC 0x0004 /* queue flush complete */ #define M_MSR_BOK 0x0002 /* board OK */ #define M_MSR_CNA 0x0001 /* controller not available */ /* * defines for Master Control Register */ #define M_MCR_SFEN 0x2000 /* sysfail enable */ #define M_MCR_RES 0x1000 /* reset controller */ #define M_MCR_FLQ 0x0800 /* flush queue */ #define M_MCR_FLQR 0x0004 /* flush queue and report */ #define M_MCR_SQM 0x0001 /* start queue mode */ /* * defines for Interrupt on Queue Available Register */ #define M_IQAR_IQEA 0x8000 /* interrupt on queue entry avail */ #define M_IQAR_IQEH 0x4000 /* interrupt on queue half empty */ #define M_IQAR_ILVL 0x0700 /* interrupt lvl on queue available */ #define M_IQAR_IVCT 0x00FF /* interrupt vector on queue avail */ /* * defines for Thaw Work Queue Register */ #define M_THAW_TWQN 0xff00 /* thaw work queue number */ #define M_THAW_TWQE 0x0001 /* thaw work queue enable */ typedef struct mcsb { /* Master control/Status Block */ volatile u_short mcsb_MSR; /* Master status register */ volatile u_short mcsb_MCR; /* Master Control register */ volatile u_short mcsb_IQAR; /* Interrupt on Queue Available Reg */ volatile u_short mcsb_QHDP; /* Queue head pointer */ volatile u_short mcsb_THAW; /* Thaw work Queue */ volatile u_short mcsb_RES0; /* Reserved word 0 */ volatile u_short mcsb_RES1; /* Reserved word 1 */ volatile u_short mcsb_RES2; /* Reserved word 2 */ } M328_MCSB; /**************** END Master Control Status Block (MCSB) *******************/ /**************** Scater/Gather Stuff *******************/ typedef struct { union { unsigned short bytes :16; #define MAX_SG_BLOCK_SIZE (1<<16) /* the size *has* to be always *smaller* */ struct { unsigned short :8; unsigned short gather :8; } scatter; } count; LONGV address; unsigned short link :1; unsigned short :3; unsigned short transfer_type :2; /* 0x0 is reserved */ #define SHORT_TRANSFER 0x1 #define LONG_TRANSFER 0x2 #define SCATTER_GATTER_LIST_IN_SHORT_IO 0x3 unsigned short memory_type :2; #define NORMAL_TYPE 0x0 #define BLOCK_MODE 0x1 /* 0x2 is reserved */ /* 0x3 is reserved */ unsigned short address_modifier :8; }sg_list_element_t; typedef sg_list_element_t * scatter_gather_list_t; #define MAX_SG_ELEMENTS 64 struct m328_sg { struct m328_sg *up; int elements; int level; struct m328_sg *down[MAX_SG_ELEMENTS]; sg_list_element_t list[MAX_SG_ELEMENTS]; }; typedef struct m328_sg *M328_SG; typedef struct { struct scsi_xfer *xs; M328_SG top_sg_list; } M328_CMD; /**************** END Scater/Gather Stuff *******************/ /**************** Host Semaphore Block (HSB) *******************/ typedef struct hsb { /* Host Semaphore Block */ volatile u_short hsb_INITQ; /* Init MCE Flag */ volatile u_short hsb_WORKQ; /* Work Queue number */ volatile u_short hsb_MAGIC; /* Magic word */ volatile u_short hsb_RES0; /* Reserved word */ } M328_HSB; /**************** END Host Semaphore Block (HSB) *******************/ /**************** Perform Diagnostics Command Format *******************/ typedef struct pdcf { /* Perform Diagnostics Cmd Format */ volatile u_short pdcf_CMD; /* Command normally 0x40 */ volatile u_short pdcf_RES0; /* Reserved word */ volatile u_short pdcf_STATUS; /* Return Status */ volatile u_short pdcf_RES1; /* Reserved Word */ volatile u_short pdcf_ROM; /* ROM Test Results */ volatile u_short pdcf_BUFRAM; /* Buffer RAM results */ volatile u_short pdcf_EVENT_RAM; /* Event Ram test Results */ volatile u_short pdcf_SCSI_PRI_PORT; /* SCSI Primary Port Reg test */ volatile u_short pdcf_SCSI_SEC_PORT; /* SCSI Secondary Port Reg test */ } M328_PDCF; #define PDCF_SUCCESS 0xFFFF /**************** END Perform Diagnostics Command Format *******************/ /*************** Controller Initialization Block (CIB) *****************/ /* * defines for Interrupt Vectors */ #define M_VECT_ILVL 0x0700 /* Interrupt Level */ #define M_VECT_IVCT 0x00FF /* Interrupt Vector */ /* * defines for SCSI Bus ID Registers */ #define M_PSID_DFT 0x0008 /* default ID enable */ #define M_PSID_ID 0x0007 /* Primary/Secondary SCSI ID */ /* * Error recovery flags. */ #define M_ERRFLGS_FOSR 0x0001 /* Freeze on SCSI bus reset */ #define M_ERRFLGS_RIN 0x0002 /* SCSI bus reset interrupt */ #define M_ERRFLGS_RSE 0x0004 /* Report COUGAR SCSI errors */ /* * Controller Initialization Block */ typedef struct cib { volatile u_short cib_NCQE; /* Number of Command Queue Entries */ volatile u_short cib_BURST; /* DMA Burst count */ volatile u_short cib_NVECT; /* Normal Completion Vector */ volatile u_short cib_EVECT; /* Error Completion Vector */ volatile u_short cib_PID; /* Primary SCSI Bus ID */ volatile u_short cib_SID; /* Secondary SCSI Bus ID */ volatile u_short cib_CRBO; /* Command Response Block Offset */ volatile u_short cib_SELECT_msw;/* Selection timeout in milli_second */ volatile u_short cib_SELECT_lsw;/* Selection timeout in milli_second */ volatile u_short cib_WQ0TIMO_msw;/* Work Q - timeout in 256 ms */ volatile u_short cib_WQ0TIMO_lsw;/* Work Q - timeout in 256 ms */ volatile u_short cib_VMETIMO_msw;/* VME Time out in 32 ms */ volatile u_short cib_VMETIMO_lsw;/* VME Time out in 32 ms */ volatile u_short cib_RES0[2]; /* Reserved words */ volatile u_short cib_OBMT; /* offbrd CRB mtype/xfer type/ad mod */ volatile u_short cib_OBADDR_msw;/* host mem address for offboard CRB */ volatile u_short cib_OBADDR_lsw;/* host mem address for offboard CRB */ volatile u_short cib_ERR_FLGS; /* error recovery flags */ volatile u_short cib_RES1; /* reserved word */ volatile u_short cib_RES2; /* reserved word */ volatile u_short cib_SBRIV; /* SCSI Bus Reset Interrupt Vector */ volatile u_char cib_SOF0; /* Synchronous offset (Bus 0) */ volatile u_char cib_SRATE0; /* Sync negotiation rate (Bus 0) */ volatile u_char cib_SOF1; /* Synchronous offset (Bus 1) */ volatile u_char cib_SRATE1; /* Sync negotiation rate (Bus 1) */ } M328_CIB; /**************** END Controller Initialization Block (CIB) *****************/ /**************** Command Queue Entry (CQE) *******************/ /* * defines for Queue Entry Control Register */ #define M_QECR_IOPB 0x0F00 /* IOPB type (must be zero) */ #define M_QECR_HPC 0x0004 /* High Priority command */ #define M_QECR_AA 0x0002 /* abort acknowledge */ #define M_QECR_GO 0x0001 /* Go/Busy */ #define CQE_GO(qecr) ((qecr) |= M_QECR_GO) #define CQE_AA_GO(qecr) ((qecr) |= (M_QECR_GO + M_QECR_AA)) typedef struct cqe { /* Command Queue Entry */ volatile u_short cqe_QECR; /* Queue Entry Control Register */ volatile u_short cqe_IOPB_ADDR; /* IOPB Address */ volatile LONGV cqe_CTAG; /* Command Tag */ volatile u_char cqe_IOPB_LENGTH;/* IOPB Length */ volatile u_char cqe_WORK_QUEUE; /* Work Queue Number */ volatile u_short cqe_RES0; /* Reserved word */ } M328_CQE; /**************** END Command Queue Entry (CQE) *******************/ /**************** Command Response Block (CRB) *******************/ /* * defines for Command Response Status Word */ #define M_CRSW_SE 0x0800 /* SCSI error (COUGAR) */ #define M_CRSW_RST 0x0400 /* SCSI Bus reset (COUGAR) */ #define M_CRSW_SC 0x0080 /* status change */ #define M_CRSW_CQA 0x0040 /* Command queue entry available */ #define M_CRSW_QMS 0x0020 /* queue mode started */ #define M_CRSW_AQ 0x0010 /* abort queue */ #define M_CRSW_EX 0x0008 /* exception */ #define M_CRSW_ER 0x0004 /* error */ #define M_CRSW_CC 0x0002 /* command complete */ #define M_CRSW_CRBV 0x0001 /* cmd response block valid/clear */ #define CRB_CLR_DONE(crsw) ((crsw) = 0) #define CRB_CLR_ER(crsw) ((crsw) &= ~M_CRSW_ER) typedef struct crb { /* Command Response Block */ volatile u_short crb_CRSW; /* Command Response Status Word */ volatile u_short crb_RES0; /* Reserved word */ volatile LONGV crb_CTAG; /* Command Tag */ volatile u_char crb_IOPB_LENGTH;/* IOPB Length */ volatile u_char crb_WORK_QUEUE; /* Work Queue Number */ volatile u_short crb_RES1; /* Reserved word */ } M328_CRB; /**************** END Command Response Block (CRB) *******************/ /*********** Controller Error Vector Status Block (CEVSB) **************/ typedef struct cevsb { /* Command Response Block */ volatile u_short cevsb_CRSW; /* Command Response Status Word */ volatile u_char cevsb_TYPE; /* IOPB type */ volatile u_char cevsb_RES0; /* Reserved byte */ volatile LONGV cevsb_CTAG; /* Command Tag */ volatile u_char cevsb_IOPB_LENGTH;/* IOPB Length */ volatile u_char cevsb_WORK_QUEUE;/* Work Queue Number */ volatile u_short cevsb_RES1; /* Reserved word */ volatile u_char cevsb_RES2; /* Reserved byte */ volatile u_char cevsb_ERROR; /* error code */ volatile u_short cevsb_AUXERR; /* COUGAR error code */ } M328_CEVSB; /*********** END Controller Error Vector Status Block (CEVSB) **************/ /**************** Configuration Status Block (CSB) *******************/ typedef struct csb { /* Configuration Status Blk */ volatile u_short csb_TYPE; /* 0x0=JAGUAR, 0x4220=COUGAR */ volatile u_char csb_RES1; /* Reserved byte */ volatile u_char csb_PCODE[3]; /* Product Code */ volatile u_short csb_RES2; /* Reserved word */ volatile u_char csb_RES3; /* Reserved byte */ volatile u_char csb_PVAR; /* Product Variation */ volatile u_short csb_RES4; /* Reserved word */ volatile u_char csb_RES5; /* Reserved byte */ volatile u_char csb_FREV[3]; /* Firmware Revision level */ volatile u_short csb_RES6; /* Reserved word */ volatile u_char csb_FDATE[8]; /* Firmware Release date */ volatile u_short csb_SSIZE; /* System memory size in Kbytes */ volatile u_short csb_BSIZE; /* Buffer memory size in Kbytes */ volatile u_short csb_RES8; /* Reserved word */ volatile u_char csb_PFECID; /* Primary Bus FEC ID */ volatile u_char csb_SFECID; /* Secondard Bus FEC ID */ volatile u_char csb_PID; /* Primary Bus ID */ volatile u_char csb_SID; /* Secondary Bus ID */ volatile u_char csb_LPDS; /* Last Primary Device Selected */ volatile u_char csb_LSDS; /* Last Secondary Device Selected */ volatile u_char csb_PPS; /* Primary Phase Sense */ volatile u_char csb_SPS; /* Secondary Phase Sense */ volatile u_char csb_RES10; /* Reserved byte */ volatile u_char csb_DBID; /* Daughter Board ID */ volatile u_char csb_RES11; /* Reserved byte */ volatile u_char csb_SDS; /* Software DIP Switch */ volatile u_short csb_RES12; /* Reserved word */ volatile u_short csb_FWQR; /* Frozen Work Queues Register */ volatile u_char csb_RES13[72]; /* Reserved bytes */ } M328_CSB; /**************** END Configuration Status Block (CSB) *******************/ /**************** IOPB Format (IOPB) *******************/ /* * defines for IOPB Option Word */ #define M_OPT_HEAD_TAG 0x3000 /* head of queue command queue tag */ #define M_OPT_ORDERED_TAG 0x2000 /* order command queue tag */ #define M_OPT_SIMPLE_TAG 0x1000 /* simple command queue tag */ #define M_OPT_GO_WIDE 0x0800 /* use WIDE transfers */ #define M_OPT_DIR 0x0100 /* VME direction bit */ #define M_OPT_SG_BLOCK 0x0008 /* scatter/gather in 512 byte blocks */ #define M_OPT_SS 0x0004 /* Suppress synchronous transfer */ #define M_OPT_SG 0x0002 /* scatter/gather bit */ #define M_OPT_IE 0x0001 /* Interrupt enable */ /* * defines for IOPB Address Type and Modifier */ #define M_ADR_TRANS 0x0C00 /* transfer type */ #define M_ADR_MEMT 0x0300 /* memory type */ #define M_ADR_MOD 0x00FF /* VME address modifier */ #define M_ADR_SG_LINK 0x8000 /* Scatter/Gather Link bit */ /* * defines for IOPB Unit Address on SCSI Bus */ #define M_UNIT_EXT_LUN 0xFF00 /* Extended Address */ #define M_UNIT_EXT 0x0080 /* Extended Address Enable */ #define M_UNIT_BUS 0x0040 /* SCSI Bus Selection */ #define M_UNIT_LUN 0x0038 /* Logical Unit Number */ #define M_UNIT_ID 0x0007 /* SCSI Device ID */ typedef struct short_iopb { volatile u_short iopb_CMD; /* IOPB Command code */ volatile u_short iopb_OPTION; /* IOPB Option word */ volatile u_short iopb_STATUS; /* IOPB Return Status word */ volatile u_short iopb_RES0; /* IOPB Reserved word */ volatile u_char iopb_NVCT; /* IOPB Normal completion Vector */ volatile u_char iopb_EVCT; /* IOPB Error completion Vector */ volatile u_short iopb_LEVEL; /* IOPB Interrupt Level */ volatile u_short iopb_RES1; /* IOPB Reserved word */ volatile u_short iopb_ADDR; /* IOPB Address type and modifer */ volatile LONGV iopb_BUFF; /* IOPB Buffer Address */ volatile LONGV iopb_LENGTH; /* IOPB Max-Transfer Length */ volatile LONGV iopb_SGTTL; /* IOPB Scatter/Gather Total Transfer len */ volatile u_short iopb_RES4; /* IOPB Reserved word */ volatile u_short iopb_UNIT; /* IOPB Unit address on SCSI bus */ } M328_short_IOPB; typedef struct iopb { volatile u_short iopb_CMD; /* IOPB Command code */ volatile u_short iopb_OPTION; /* IOPB Option word */ volatile u_short iopb_STATUS; /* IOPB Return Status word */ volatile u_short iopb_RES0; /* IOPB Reserved word */ volatile u_char iopb_NVCT; /* IOPB Normal completion Vector */ volatile u_char iopb_EVCT; /* IOPB Error completion Vector */ volatile u_short iopb_LEVEL; /* IOPB Interrupt Level */ volatile u_short iopb_RES1; /* IOPB Reserved word */ volatile u_short iopb_ADDR; /* IOPB Address type and modifer */ volatile LONGV iopb_BUFF; /* IOPB Buffer Address */ volatile LONGV iopb_LENGTH; /* IOPB Max-Transfer Length */ volatile LONGV iopb_SGTTL; /* IOPB Scatter/Gather Total Transfer len */ volatile u_short iopb_RES4; /* IOPB Reserved word */ volatile u_short iopb_UNIT; /* IOPB Unit address on SCSI bus */ u_short iopb_SCSI[S_IOPB_RES/2]; /* IOPB SCSI words for pass thru */ } M328_IOPB; /**************** END IOPB Format (IOPB) *******************/ /**************** Initialize Work Queue Command Format (WQCF) ***********/ #define M_WOPT_IWQ 0x8000 /* initialize work queue */ #define M_WOPT_PE 0x0008 /* parity check enable */ #define M_WOPT_FE 0x0004 /* freeze on error enable */ #define M_WOPT_TM 0x0002 /* target mode enable */ #define M_WOPT_AE 0x0001 /* abort enable */ typedef struct wqcf { /* Initialize Work Queue Cmd Format*/ volatile u_short wqcf_CMD; /* Command Normally (0x42) */ volatile u_short wqcf_OPTION; /* Command Options */ volatile u_short wqcf_STATUS; /* Return Status */ volatile u_short wqcf_RES0; /* Reserved word */ volatile u_char wqcf_NVCT; /* Normal Completion Vector */ volatile u_char wqcf_EVCT; /* Error Completion Vector */ volatile u_short wqcf_ILVL; /* Interrupt Level */ volatile u_short wqcf_RES1[8]; /* Reserved words */ volatile u_short wqcf_WORKQ; /* Work Queue Number */ volatile u_short wqcf_WOPT; /* Work Queue Options */ volatile u_short wqcf_SLOTS; /* Number of slots in Work Queues */ volatile u_short wqcf_RES2; /* Reserved word */ volatile LONGV wqcf_CMDTO; /* Command timeout */ volatile u_short wqcf_RES3; /* Reserved word */ } M328_WQCF; /**************** END Initialize Work Queue Command Format (WQCF) ***********/ /**************** SCSI Reset Command Format (SRCF) ***********/ typedef struct srcf { /* SCSI Reset Cmd Format*/ volatile u_short srcf_CMD; /* Command Normally (0x22) */ volatile u_short srcf_OPTION; /* Command Options */ volatile u_short srcf_STATUS; /* Return Status */ volatile u_short srcf_RES0; /* Reserved word */ volatile u_char srcf_NVCT; /* Normal Completion Vector */ volatile u_char srcf_EVCT; /* Error Completion Vector */ volatile u_short srcf_ILVL; /* Interrupt Level */ volatile u_short srcf_RES1[8]; /* Reserved words */ volatile u_short srcf_BUSID; /* SCSI bus ID to reset */ } M328_SRCF; /**************** END SCSI Reset Command Format (SRCF) ***********/ /**************** Device Reinitialize Command Format (DRCF) ***********/ typedef struct drcf { /* Device Reinitialize Cmd Format*/ volatile u_short drcf_CMD; /* Command Normally (0x4C) */ volatile u_short drcf_OPTION; /* Command Options */ volatile u_short drcf_STATUS; /* Return Status */ volatile u_short drcf_RES0; /* Reserved word */ volatile u_char drcf_NVCT; /* Normal Completion Vector */ volatile u_char drcf_EVCT; /* Error Completion Vector */ volatile u_short drcf_ILVL; /* Interrupt Level */ volatile u_short drcf_RES1[9]; /* Reserved words */ volatile u_short drcf_UNIT; /* Unit Address */ } M328_DRCF; /**************** END SCSI Reset Command Format (SRCF) ***********/ /**************** Host Down Loadable Firmware (HDLF) ***********/ typedef struct hdlf { /* Host Down Loadable Firmware cmd */ volatile u_short hdlf_CMD; /* Command Normally (0x4F) */ volatile u_short hdlf_OPTION; /* Command Options */ volatile u_short hdlf_STATUS; /* Return Status */ volatile u_short hdlf_RES0; /* Reserved word */ volatile u_char hdlf_NVCT; /* Normal Completion Vector */ volatile u_char hdlf_EVCT; /* Error Completion Vector */ volatile u_short hdlf_ILVL; /* Interrupt Level */ volatile u_short hdlf_RES1; /* Reserved word */ volatile u_short hdlf_ADDR; /* Address type and modifer */ volatile LONGV hdlf_BUFF; /* Buffer Address */ volatile LONGV hdlf_LENGTH; /* Max-Transfer Length */ volatile LONGV hdlf_CSUM; /* Checksum */ volatile u_short hdlf_RES2; /* Reserved word */ volatile u_short hdlf_SEQ; /* Sequence number */ volatile u_short hdlf_RES3[6]; /* Reserved words */ } M328_HDLF; #define M328_INITIALIZE_DOWNLOAD 0x0010 #define M328_TRANSFER_PACKET 0x0020 #define M328_PROGRAM_FLASH 0x0040 #define M328_MOTOROLA_S_RECORDS 0x1000 /**************** END SCSI Reset Command Format (SRCF) ***********/ /**************** Short I/O Format *******************/ struct vsreg { M328_MCSB sh_MCSB; /* Master Control / Status Block */ M328_CQE sh_MCE; /* Master Command Entry */ M328_CQE sh_CQE[NUM_CQE]; /* Command Queue Entry */ M328_IOPB sh_IOPB[NUM_IOPB]; /* Host IOPB Space */ M328_IOPB sh_MCE_IOPB; /* Host MCE IOPB Space */ M328_CIB sh_CIB; /* Controller Initialization Block */ volatile u_char sh_HUS[S_HUS_FREE];/* Host Usable Space */ M328_HSB sh_HSB; /* Host Semaphore Block */ M328_CRB sh_CRB; /* Command Response Block */ M328_IOPB sh_RET_IOPB; /* Returned IOPB */ M328_CSB sh_CSS; /* Controller Specific Space/Block */ }; #define CRSW sc->sc_vsreg->sh_CRB.crb_CRSW #define THAW_REG sc->sc_vsreg->sh_MCSB.mcsb_THAW #define THAW(x) THAW_REG=((u_char)x << 8);THAW_REG |= M_THAW_TWQE #define QUEUE_FZN(x) (sc->sc_vsreg->sh_CSS.csb_FWQR & (1 << x)) #define SELECTION_TIMEOUT 250 /* milliseconds */ #define VME_BUS_TIMEOUT 0xF /* units of 30ms */ #define M328_INFINITE_TIMEOUT 0 /* wait forever */ /**************** END Short I/O Format *******************/ /* * Scatter gather structure */ typedef struct ipsg { volatile u_short sg_count; /* byte/entry count */ volatile u_short sg_addrhi; /* datablock/entry address high */ volatile u_short sg_addrlo; /* datablock/entry address low */ volatile u_short sg_meminfo; /* memory information */ }IPSG; #define MACSI_SG 256 /* number of MACSI scat/gat entries */ #define S_MACSI_SG (MACSI_SG * sizeof(IPSG)) #define MACSI_SG_RSIZE 65535 /* max len of each scatter/gather entry */ /* * SCSI IOPB definitions */ #define IOPB_PASS_THRU 0x20 /* SCSI Pass Through commands */ #define IOPB_PASS_THRU_EXT 0x21 /* SCSI Pass Through Extended commands */ #define IOPB_RESET 0x22 /* SCSI Reset bus */ /* * SCSI Control IOPB's */ #define CNTR_DIAG 0x40 /* Perform Diagnostics */ #define CNTR_INIT 0x41 /* Initialize Controller */ #define CNTR_INIT_WORKQ 0x42 /* Initialize Work Queue */ #define CNTR_DUMP_INIT 0x43 /* Dump Initialization Parameters */ #define CNTR_DUMP_WORDQ 0x44 /* Dump work Queue Parameters */ #define CNTR_CANCEL_IOPB 0x48 /* Cancel command tag */ #define CNTR_FLUSH_WORKQ 0x49 /* Flush Work Queue */ #define CNTR_DEV_REINIT 0x4C /* Reinitialize Device */ #define CNTR_ISSUE_ABORT 0x4E /* An abort has been issued */ #define CNTR_DOWNLOAD_FIRMWARE 0x4F /* Download firmware (COUGAR) */ /* * Memory types */ #define MEMT_16BIT 1 /* 16 Bit Memory type */ #define MEMT_32BIT 2 /* 32 Bit Memory type */ #define MEMT_SHIO 3 /* Short I/O Memory type */ #define MEMTYPE MEMT_32BIT /* do 32-bit transfers */ /* * Transfer types */ #define TT_NORMAL 0 /* Normal Mode Tranfers */ #define TT_BLOCK 1 /* block Mode Tranfers */ #define TT_DISABLE_INC_ADDR 2 /* Disable Incrementing Addresses */ #define TT_D64 3 /* D64 Mode Transfers */ /* * Error codes. */ #define MACSI_GOOD_STATUS 0x00 /* Good status */ #define MACSI_QUEUE_FULL 0x01 /* The work queue is full */ #define MACSI_CMD_CODE_ERR 0x04 /* The IOPB command field is invalid */ #define MACSI_QUEUE_NUMBER_ERR 0x05 /* Invalid queue number */ #define RESET_BUS_STATUS 0x11 /* SCSI bus reset IOPB forced this */ #define NO_SECONDARY_PORT 0x12 /* second SCSI bus not available */ #define SCSI_DEVICE_IS_RESET 0x14 /* device has been reset */ #define CMD_ABORT_BY_RESET 0x15 /* device has been reset */ #define VME_BUS_ERROR 0x20 /* There was a VME BUS error */ #define VME_BUS_ACC_TIMEOUT 0x21 #define VME_BUS_BAD_ADDR 0x23 #define VME_BUS_BAD_MEM_TYPE 0x24 #define VME_BUS_BAD_COUNT 0x25 #define VME_BUS_FETCH_ERROR 0x26 #define VME_BUS_FETCH_TIMEOUT 0x27 #define VME_BUS_POST_ERROR 0x28 #define VME_BUS_POST_TIMEOUT 0x29 #define VME_BUS_BAD_FETCH_ADDR 0x2A #define VME_BUS_BAD_POST_ADDR 0x2B #define VME_BUS_SG_FETCH 0x2C #define VME_BUS_SG_TIMEOUT 0x2D #define VME_BUS_SG_COUNT 0x2E #define SCSI_SELECTION_TO 0x30 /* select time out */ #define SCSI_DISCONNECT_TIMEOUT 0x31 /* disconnect timeout */ #define SCSI_ABNORMAL_SEQ 0x32 /* abnormal sequence */ #define SCSI_DISCONNECT_ERR 0x33 /* disconnect error */ #define SCSI_XFER_EXCEPTION 0x34 /* transfer cnt exception */ #define SCSI_PARITY_ERROR 0x35 /* parity error */ #define DEVICE_NO_IOPB 0x82 /* IOPB no available */ #define IOPB_CTLR_EHX 0x83 /* IOPB counter exhausted */ #define IOPB_DIR_ERROR 0x84 /* IOPB direction wrong */ #define COUGAR_ERROR 0x86 /* COUGAR unrecoverable error */ #define MACSI_INCORRECT_HARDWARE 0x90 /* Insufficient memory */ #define MACSI_ILGL_IOPB_VAL 0x92 /* Invalid field in the IOPB */ #define MACSI_ILLEGAL_IMAGE 0x9C /* Submitted fails reuested action */ #define IOPB_TYPE_ERR 0xC0 /* IOPB type not 0 */ #define IOPB_TIMEOUT 0xC1 /* IOPB timed out */ #define COUGAR_PANIC 0xFF /* COUGAR paniced */ #define MACSI_INVALID_TIMEOUT 0x843 /* The SCSI byte to byte timer expired */ /* * Handy vector macro. */ #define VEC(c, vec) (((c) -> mc_ipl << 8) + (vec)) /* * VME addressing modes */ #define ADRM_STD_S_P 0x3E /* Standard Supervisory Program */ #define ADRM_STD_S_D 0x3D /* Standard Supervisory Data */ #define ADRM_STD_N_P 0x3A /* Standard Normal Program */ #define ADRM_STD_N_D 0x39 /* Standard Normal Data */ #define ADRM_SHT_S_IO 0x2D /* Short Supervisory IO */ #define ADRM_SHT_N_IO 0x29 /* Short Normal IO */ #define ADRM_EXT_S_P 0x0E /* Extended Supervisory Program */ #define ADRM_EXT_S_D 0x0D /* Extended Supervisory Data */ #define ADRM_EXT_N_P 0x0A /* Extended Normal Program */ #define ADRM_EXT_N_D 0x09 /* Extended Normal Data */ #define ADRM_EXT_S_BM 0x0F /* Extended Supervisory Block Mode */ #define ADRM_EXT_S_D64 0x0C /* Extended Supervisory D64 Mode */ #define ADDR_MOD ( (TT_NORMAL << 10) | (MEMTYPE << 8) | ADRM_EXT_S_D ) #define BLOCK_MOD ( (TT_BLOCK << 10) | (MEMTYPE << 8) | ADRM_EXT_S_BM ) #define D64_MOD ( (TT_D64 << 10) | (MEMTYPE << 8) | ADRM_EXT_S_D64 ) #define SHIO_MOD ( (TT_NORMAL << 10) | (MEMT_SHIO << 8) | ADRM_SHT_N_IO) /* * Scatter/gather functions */ M328_SG vs_alloc_scatter_gather(void); void vs_dealloc_scatter_gather(M328_SG sg); M328_SG vs_build_memory_structure(struct scsi_xfer *xs, M328_IOPB *iopb); #endif /* _M328REG_H_ */