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Annotation of kernel/bsd/dev/ppc/drvMaceEnet/MaceEnet.h, revision 1.1

1.1     ! root        1: /*
        !             2:  * Copyright (c) 1999 Apple Computer, Inc. All rights reserved.
        !             3:  *
        !             4:  * @APPLE_LICENSE_HEADER_START@
        !             5:  * 
        !             6:  * Portions Copyright (c) 1999 Apple Computer, Inc.  All Rights
        !             7:  * Reserved.  This file contains Original Code and/or Modifications of
        !             8:  * Original Code as defined in and that are subject to the Apple Public
        !             9:  * Source License Version 1.1 (the "License").  You may not use this file
        !            10:  * except in compliance with the License.  Please obtain a copy of the
        !            11:  * License at http://www.apple.com/publicsource and read it before using
        !            12:  * this file.
        !            13:  * 
        !            14:  * The Original Code and all software distributed under the License are
        !            15:  * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
        !            16:  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
        !            17:  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
        !            18:  * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT.  Please see the
        !            19:  * License for the specific language governing rights and limitations
        !            20:  * under the License.
        !            21:  * 
        !            22:  * @APPLE_LICENSE_HEADER_END@
        !            23:  */
        !            24: 
        !            25: /*
        !            26:  * Copyright (c) 1995-1996 NeXT Software, Inc.
        !            27:  *
        !            28:  * Interface definition for the Mace Ethernet chip 
        !            29:  *
        !            30:  * HISTORY
        !            31:  *
        !            32:  * 16-Sept-97   
        !            33:  *     Created.
        !            34:  */
        !            35: 
        !            36: #import <driverkit/kernelDriver.h>
        !            37: #import <driverkit/IOEthernet.h>
        !            38: #import <driverkit/IONetbufQueue.h>
        !            39: #import <driverkit/ppc/IOTreeDevice.h>
        !            40: #import <driverkit/ppc/IODBDMA.h>
        !            41: #import <driverkit/generalFuncs.h>
        !            42: #import <driverkit/IOPower.h>
        !            43: #import <machdep/ppc/proc_reg.h>               /* eieio */
        !            44: #import <bsd/net/etherdefs.h>
        !            45: #import <string.h>                             /* bcopy */
        !            46: #import <driverkit/IOEthernetPrivate.h>                /* debugger methods */
        !            47: #import <kern/kdebug.h>                                /* Performance tracepoints */
        !            48: 
        !            49: 
        !            50: #import "MaceEnetRegisters.h"
        !            51: 
        !            52: #if 0
        !            53: #define IOLog kprintf
        !            54: #endif
        !            55: 
        !            56: typedef void  *                IOPPCAddress;
        !            57: 
        !            58: typedef struct enet_dma_cmd_t
        !            59: {
        !            60:     IODBDMADescriptor          desc_seg[2];
        !            61: } enet_dma_cmd_t;
        !            62: 
        !            63: typedef struct enet_txdma_cmd_t
        !            64: {
        !            65:     IODBDMADescriptor          desc_seg[4];
        !            66: } enet_txdma_cmd_t;
        !            67: 
        !            68: @interface MaceEnet:IOEthernet <IOPower>
        !            69: {
        !            70:     volatile IOPPCAddress              ioBaseEnet;
        !            71:     volatile IOPPCAddress              ioBaseEnetROM;
        !            72:     volatile IODBDMAChannelRegisters   *ioBaseEnetRxDMA;       
        !            73:     volatile IODBDMAChannelRegisters   *ioBaseEnetTxDMA;
        !            74: 
        !            75:     u_int16_t                          chipId; 
        !            76: 
        !            77:     enet_addr_t                                myAddress;
        !            78:     IONetwork                          *networkInterface;
        !            79:     IONetbufQueue                      *transmitQueue;
        !            80:     BOOL                               isPromiscuous;
        !            81:     BOOL                               multicastEnabled;
        !            82: 
        !            83:     BOOL                               resetAndEnabled;
        !            84:     netbuf_t                           txNetbuf[TX_RING_LENGTH];
        !            85:     netbuf_t                           rxNetbuf[RX_RING_LENGTH];
        !            86:     
        !            87:     unsigned int                       txCommandHead;          /* Transmit ring descriptor index */
        !            88:     unsigned int                       txCommandTail;
        !            89:     unsigned int                               txMaxCommand;           
        !            90:     unsigned int                       rxCommandHead;          /* Receive ring descriptor index */
        !            91:     unsigned int                       rxCommandTail;
        !            92:     unsigned int                       rxMaxCommand;           
        !            93: 
        !            94:     unsigned char *                    dmaCommands;
        !            95:     enet_txdma_cmd_t *                 txDMACommands;          /* TX descriptor ring ptr */
        !            96:     unsigned int                       txDMACommandsPhys;
        !            97: 
        !            98:     enet_dma_cmd_t *                   rxDMACommands;          /* RX descriptor ring ptr */
        !            99:     unsigned int                       rxDMACommandsPhys;
        !           100: 
        !           101:     u_int32_t                          txWDInterrupts;
        !           102:     u_int32_t                          txWDTimeouts;
        !           103:     BOOL                               txWDForceReset;
        !           104: 
        !           105:     netbuf_t                           debuggerPkt;
        !           106:     u_int32_t                                  debuggerPktSize;
        !           107:    
        !           108:     u_int16_t                          hashTableUseCount[64];
        !           109:     u_int8_t                           hashTableMask[8];
        !           110: }
        !           111: 
        !           112: + (BOOL)probe:devDesc;
        !           113: - initFromDeviceDescription:devDesc;
        !           114: 
        !           115: - free;
        !           116: - (void)transmit:(netbuf_t)pkt;
        !           117: - (void)serviceTransmitQueue;
        !           118: - (BOOL)resetAndEnable:(BOOL)enable;
        !           119: 
        !           120: - (void)interruptOccurredAt:(int)irqNum;
        !           121: - (void)timeoutOccurred;
        !           122: 
        !           123: - (BOOL)enableMulticastMode;
        !           124: - (void)disableMulticastMode;
        !           125: - (BOOL)enablePromiscuousMode;
        !           126: - (void)disablePromiscuousMode;
        !           127: 
        !           128: /*
        !           129:  * Kernel Debugger
        !           130:  */
        !           131: - (void)sendPacket:(void *)pkt length:(unsigned int)pkt_len;
        !           132: - (void)receivePacket:(void *)pkt length:(unsigned int *)pkt_len timeout:(unsigned int)timeout;
        !           133: 
        !           134: 
        !           135: /*
        !           136:  * Power management methods. 
        !           137:  */
        !           138: - (IOReturn)getPowerState:(PMPowerState *)state_p;
        !           139: - (IOReturn)setPowerState:(PMPowerState)state;
        !           140: - (IOReturn)getPowerManagement:(PMPowerManagementState *)state_p;
        !           141: - (IOReturn)setPowerManagement:(PMPowerManagementState)state;
        !           142: 
        !           143: /*
        !           144:  * Queue interface
        !           145:  */
        !           146: - (int) transmitQueueSize;
        !           147: - (int) transmitQueueCount;
        !           148: 
        !           149: @end
        !           150: 
        !           151: /*
        !           152:  * Performance tracepoints
        !           153:  *
        !           154:  * DBG_MACE_RXIRQ      - Receive  ISR run time
        !           155:  * DBG_MACE_TXIRQ      - Transmit ISR run time
        !           156:  * DBG_MACE_TXQUEUE     - Transmit packet passed from network stack
        !           157:  * DBG_MACE_TXCOMPLETE  - Transmit packet sent
        !           158:  * DBG_MACE_RXCOMPLETE  - Receive packet passed to network stack
        !           159:  */
        !           160: #define DBG_MACE_ENET          0x0800
        !           161: #define DBG_MACE_RXIRQ                 DRVDBG_CODE(DBG_DRVNETWORK,(DBG_MACE_ENET+1))   
        !           162: #define DBG_MACE_TXIRQ         DRVDBG_CODE(DBG_DRVNETWORK,(DBG_MACE_ENET+2))   
        !           163: #define DBG_MACE_TXQUEUE       DRVDBG_CODE(DBG_DRVNETWORK,(DBG_MACE_ENET+3))   
        !           164: #define DBG_MACE_TXCOMPLETE    DRVDBG_CODE(DBG_DRVNETWORK,(DBG_MACE_ENET+4))   
        !           165: #define DBG_MACE_RXCOMPLETE    DRVDBG_CODE(DBG_DRVNETWORK,(DBG_MACE_ENET+5))   
        !           166: 

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