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Annotation of kernel/bsd/dev/ppc/drvBMacEnet/BMacEnet.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) 1998-1999 by Apple Computer, Inc., All rights reserved.
        !            27:  *
        !            28:  * Interface definition for the BMac Ethernet Controller 
        !            29:  *
        !            30:  * HISTORY
        !            31:  *
        !            32:  */
        !            33: 
        !            34: #import <driverkit/kernelDriver.h>
        !            35: #import <driverkit/IOEthernet.h>
        !            36: #import <driverkit/IONetbufQueue.h>
        !            37: #import <driverkit/ppc/IOTreeDevice.h>
        !            38: #import <driverkit/ppc/IODBDMA.h>
        !            39: #import <driverkit/generalFuncs.h>
        !            40: #import <driverkit/IOPower.h>
        !            41: #import <machdep/ppc/proc_reg.h>               /* eieio */
        !            42: #import <bsd/net/etherdefs.h>
        !            43: #import <bsd/sys/systm.h>                      /* bcopy */
        !            44: #import <driverkit/IOEthernetPrivate.h>                /* debugger methods */
        !            45: #import <kern/kdebug.h>                                /* Performance tracepoints */
        !            46: 
        !            47: //#define IOLog kprintf
        !            48: 
        !            49: #import "BMacEnetRegisters.h"
        !            50: 
        !            51: typedef void  *                IOPPCAddress;
        !            52: 
        !            53: typedef struct enet_dma_cmd_t
        !            54: {
        !            55:     IODBDMADescriptor  desc_seg[2];
        !            56: } enet_dma_cmd_t;
        !            57: 
        !            58: typedef struct enet_txdma_cmd_t
        !            59: {
        !            60:     IODBDMADescriptor  desc_seg[3];
        !            61: } enet_txdma_cmd_t;
        !            62: 
        !            63: 
        !            64: @interface BMacEnet:IOEthernet <IOPower>
        !            65: {
        !            66:     volatile IOPPCAddress              ioBaseHeathrow;
        !            67:     volatile IOPPCAddress              ioBaseEnet;
        !            68:     volatile IODBDMAChannelRegisters   *ioBaseEnetRxDMA;       
        !            69:     volatile IODBDMAChannelRegisters   *ioBaseEnetTxDMA;
        !            70:        
        !            71:     enet_addr_t                                myAddress;
        !            72:     IONetwork                          *networkInterface;
        !            73:     IONetbufQueue                      *transmitQueue;
        !            74:     BOOL                               isPromiscuous;
        !            75:     BOOL                               multicastEnabled;
        !            76:     BOOL                               isFullDuplex;
        !            77: 
        !            78:     BOOL                               resetAndEnabled;
        !            79:     unsigned int                       enetAddressOffset;
        !            80: 
        !            81:     unsigned long                      chipId;
        !            82: 
        !            83:     unsigned long                      phyType;
        !            84:     unsigned long                      phyMIIDelay;
        !            85:     unsigned char                      phyId;
        !            86:     unsigned char                      sromAddressBits;
        !            87: 
        !            88:     unsigned short                     phyStatusPrev;
        !            89: 
        !            90:     netbuf_t                           txNetbuf[TX_RING_LENGTH];
        !            91:     netbuf_t                           rxNetbuf[RX_RING_LENGTH];
        !            92:     
        !            93:     unsigned int                       txCommandHead;          /* Transmit ring descriptor index */
        !            94:     unsigned int                       txCommandTail;
        !            95:     unsigned int                               txMaxCommand;           
        !            96:     unsigned int                       rxCommandHead;          /* Receive ring descriptor index */
        !            97:     unsigned int                       rxCommandTail;
        !            98:     unsigned int                       rxMaxCommand;           
        !            99: 
        !           100:     unsigned char *                    dmaCommands;
        !           101:     enet_txdma_cmd_t *                 txDMACommands;          /* TX descriptor ring ptr */
        !           102:     unsigned int                       txDMACommandsPhys;
        !           103: 
        !           104:     enet_dma_cmd_t *                   rxDMACommands;          /* RX descriptor ring ptr */
        !           105:     unsigned int                       rxDMACommandsPhys;
        !           106: 
        !           107:     u_int32_t                          txWDInterrupts;
        !           108:     u_int32_t                          txWDCount;
        !           109: 
        !           110:     netbuf_t                           debuggerPkt;
        !           111:     u_int32_t                                  debuggerPktSize;
        !           112:     u_int32_t                          debuggerLockCount;
        !           113: 
        !           114:     u_int16_t                          statReg;                /* Current STAT register contents */
        !           115:    
        !           116:     u_int16_t                          hashTableUseCount[64];
        !           117:     u_int16_t                          hashTableMask[4];
        !           118:  
        !           119: }
        !           120: 
        !           121: + (BOOL)probe:devDesc;
        !           122: - initFromDeviceDescription:devDesc;
        !           123: 
        !           124: - free;
        !           125: - (void)transmit:(netbuf_t)pkt;
        !           126: - (void)serviceTransmitQueue;
        !           127: - (BOOL)resetAndEnable:(BOOL)enable;
        !           128: 
        !           129: - (void)interruptOccurredAt:(int)irqNum;
        !           130: - (void)timeoutOccurred;
        !           131: 
        !           132: - (BOOL)enableMulticastMode;
        !           133: - (void)disableMulticastMode;
        !           134: - (BOOL)enablePromiscuousMode;
        !           135: - (void)disablePromiscuousMode;
        !           136: 
        !           137: /*
        !           138:  * Kernel Debugger
        !           139:  */
        !           140: - (void)sendPacket:(void *)pkt length:(unsigned int)pkt_len;
        !           141: - (void)receivePacket:(void *)pkt length:(unsigned int *)pkt_len timeout:(unsigned int)timeout;
        !           142: 
        !           143: /*
        !           144:  * Power management methods. 
        !           145:  */
        !           146: - (IOReturn)getPowerState:(PMPowerState *)state_p;
        !           147: - (IOReturn)setPowerState:(PMPowerState)state;
        !           148: - (IOReturn)getPowerManagement:(PMPowerManagementState *)state_p;
        !           149: - (IOReturn)setPowerManagement:(PMPowerManagementState)state;
        !           150: 
        !           151: /*
        !           152:  * Queue interface
        !           153:  */
        !           154: - (int) transmitQueueSize;
        !           155: - (int) transmitQueueCount;
        !           156: 
        !           157: @end
        !           158: 
        !           159: /*
        !           160:  * Performance tracepoints
        !           161:  *
        !           162:  * DBG_BMAC_RXIRQ      - Receive  ISR run time
        !           163:  * DBG_BMAC_TXIRQ      - Transmit ISR run time
        !           164:  * DBG_BMAC_TXQUEUE     - Transmit packet passed from network stack
        !           165:  * DBG_BMAC_TXCOMPLETE  - Transmit packet sent
        !           166:  * DBG_BMAC_RXCOMPLETE  - Receive packet passed to network stack
        !           167:  */
        !           168: #define DBG_BMAC_ENET          0x0900
        !           169: #define DBG_BMAC_RXIRQ                 DRVDBG_CODE(DBG_DRVNETWORK,(DBG_BMAC_ENET+1))   
        !           170: #define DBG_BMAC_TXIRQ         DRVDBG_CODE(DBG_DRVNETWORK,(DBG_BMAC_ENET+2))   
        !           171: #define DBG_BMAC_TXQUEUE       DRVDBG_CODE(DBG_DRVNETWORK,(DBG_BMAC_ENET+3))   
        !           172: #define DBG_BMAC_TXCOMPLETE    DRVDBG_CODE(DBG_DRVNETWORK,(DBG_BMAC_ENET+4))   
        !           173: #define DBG_BMAC_RXCOMPLETE    DRVDBG_CODE(DBG_DRVNETWORK,(DBG_BMAC_ENET+5))   

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