Return to AHAControllerPrivate.h CVS log

Up to [NeXTSTEP 3.3 examples] / Examples / DriverKit / Adaptec1542B / Adaptec1542B_reloc.tproj

Annotation of Examples/DriverKit/Adaptec1542B/Adaptec1542B_reloc.tproj/AHAControllerPrivate.h, revision 1.1.1.1

1.1       root        1: /*
                      2:  * Copyright (c) 1993 NeXT Computer, Inc.
                      3:  *
                      4:  * AHAControllerPrivate.h - Adaptec 1542 SCSI controller private typedefs.
                      5:  *
                      6:  * HISTORY
                      7:  *
                      8:  * 13 Apr 1993 Doug Mitchell at NeXT
                      9:  *     Created.
                     10:  */
                     11: 
                     12: #import <machkit/NXLock.h>
                     13: #import <mach/mach_types.h>
                     14: #import <mach/message.h>
                     15: #import <driverkit/interruptMsg.h>
                     16: #import "AHAController.h"
                     17: #import "AHATypes.h"
                     18: #import <driverkit/debugging.h>
                     19: 
                     20: /*
                     21:  * Command to be executed by I/O thread.
                     22:  */
                     23: typedef enum { 
                     24:        AO_Execute,             // execute IOSCSIRequest
                     25:        AO_Reset,               // reset bus
                     26:        AO_Abort                // abort I/O thread
                     27: } AHAOp;
                     28: 
                     29: /*
                     30:  * Command struct passed from exported methods (executeRequest and 
                     31:  * resetSCSIBus) to the I/O thread. This struct is passed via commandQ.
                     32:  */
                     33: typedef struct {
                     34:        AHAOp           op;             // AO_Execute, etc.
                     35:        
                     36:        /*
                     37:         * The following 3 fields are only valid if op == AH_Execute.
                     38:         */
                     39:        IOSCSIRequest   *scsiReq;
                     40:        void            *buffer;        
                     41:        vm_task_t       client;
                     42:        
                     43:        sc_status_t     result;         // status upon completion
                     44:        NXConditionLock *cmdLock;       // client waits on this
                     45:        queue_chain_t   link;           // for enqueueing on commandQ
                     46: } AHACommandBuf;
                     47: 
                     48: /*
                     49:  * Condition variable states for AHACommandBuf.cmdLock.
                     50:  */
                     51: #define CMD_PENDING    0
                     52: #define CMD_COMPLETE   1
                     53: 
                     54: /*
                     55:  * DDM masks and macros.
                     56:  */
                     57: /*
                     58:  * The index into IODDMMasks[].
                     59:  */
                     60: #define AHA_DDM_INDEX  2
                     61: 
                     62: #define DDM_EXPORTED   0x00000001      // exported methods
                     63: #define DDM_IOTHREAD   0x00000002      // I/O thread methods
                     64: #define DDM_INIT       0x00000004      // Initialization
                     65: 
                     66: #define ddm_exp(x, a, b, c, d, e)                                      \
                     67:        IODEBUG(AHA_DDM_INDEX, DDM_EXPORTED, x, a, b, c, d, e)
                     68:        
                     69: #define ddm_thr(x, a, b, c, d, e)                                      \
                     70:        IODEBUG(AHA_DDM_INDEX, DDM_IOTHREAD, x, a, b, c, d, e)
                     71: 
                     72: #define ddm_init(x, a, b, c, d, e)                                     \
                     73:        IODEBUG(AHA_DDM_INDEX, DDM_INIT, x, a, b, c, d, e)
                     74: 
                     75: 
                     76: /*
                     77:  * Public low-level routines in AHARoutines.m.
                     78:  */
                     79: extern void aha_reset_board(unsigned short base, 
                     80:        unsigned char   aha_board_id);
                     81: boolean_t aha_setup_mb_area(unsigned short base,
                     82:        struct aha_mb_area *aha_mb_area,
                     83:        struct ccb      *aha_ccb);
                     84: extern void aha_start_scsi(unsigned short base);
                     85: extern void aha_unlock_mb(unsigned short base);
                     86: extern boolean_t aha_cmd(unsigned short        base,
                     87:        unsigned char   cmd,
                     88:        unsigned char   *args,
                     89:        int             arglen,
                     90:        unsigned char   *reply,
                     91:        int             replylen,
                     92:        boolean_t       polled
                     93: );
                     94: extern boolean_t aha_probe_cmd(
                     95:        unsigned short  base,
                     96:        unsigned char   cmd,
                     97:        unsigned char   *args,
                     98:        int             arglen,
                     99:        unsigned char   *reply,
                    100:        int             replylen,
                    101:        boolean_t       polled
                    102: );
                    103: 

This archive runs on limited infrastructure. Preserving old code on modern bandwidth. Automated agents are requested to crawl responsibly.