patch-2.1.132 linux/drivers/net/rcmtl.c
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- Lines: 2059
- Date:
Fri Dec 18 09:39:34 1998
- Orig file:
v2.1.131/linux/drivers/net/rcmtl.c
- Orig date:
Wed Dec 31 16:00:00 1969
diff -u --recursive --new-file v2.1.131/linux/drivers/net/rcmtl.c linux/drivers/net/rcmtl.c
@@ -0,0 +1,2058 @@
+/*
+** *************************************************************************
+**
+**
+** R C M T L . C $Revision: 1.1 $
+**
+**
+** RedCreek Message Transport Layer program module.
+**
+** ---------------------------------------------------------------------
+** --- Copyright (c) 1997-1998, RedCreek Communications Inc. ---
+** --- All rights reserved. ---
+** ---------------------------------------------------------------------
+**
+** File Description:
+**
+** Host side message transport layer.
+**
+** This program is free software; you can redistribute it and/or modify
+** it under the terms of the GNU General Public License as published by
+** the Free Software Foundation; either version 2 of the License, or
+** (at your option) any later version.
+
+** This program is distributed in the hope that it will be useful,
+** but WITHOUT ANY WARRANTY; without even the implied warranty of
+** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+** GNU General Public License for more details.
+
+** You should have received a copy of the GNU General Public License
+** along with this program; if not, write to the Free Software
+** Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+**
+***************************************************************************/
+
+#undef DEBUG
+
+#define RC_LINUX_MODULE
+#include "rcmtl.h"
+
+#define dprintf kprintf
+
+extern int printk(const char * fmt, ...);
+
+ /* RedCreek LAN device Target ID */
+#define LAN_TARGET_ID 0x10
+ /* RedCreek's OSM default LAN receive Initiator */
+#define DEFAULT_RECV_INIT_CONTEXT 0xA17
+
+
+/*
+** message structures
+*/
+
+#define TID_SZ 12
+#define FUNCTION_SZ 8
+
+/* Transaction Reply Lists (TRL) Control Word structure */
+
+#define TRL_SINGLE_FIXED_LENGTH 0x00
+#define TRL_SINGLE_VARIABLE_LENGTH 0x40
+#define TRL_MULTIPLE_FIXED_LENGTH 0x80
+
+/* LAN Class specific functions */
+
+#define LAN_PACKET_SEND 0x3B
+#define LAN_SDU_SEND 0x3D
+#define LAN_RECEIVE_POST 0x3E
+#define LAN_RESET 0x35
+#define LAN_SHUTDOWN 0x37
+
+/* Private Class specfic function */
+#define RC_PRIVATE 0xFF
+
+/* RC Executive Function Codes. */
+
+#define RC_CMD_ADAPTER_ASSIGN 0xB3
+#define RC_CMD_ADAPTER_READ 0xB2
+#define RC_CMD_ADAPTER_RELEASE 0xB5
+#define RC_CMD_BIOS_INFO_SET 0xA5
+#define RC_CMD_BOOT_DEVICE_SET 0xA7
+#define RC_CMD_CONFIG_VALIDATE 0xBB
+#define RC_CMD_CONN_SETUP 0xCA
+#define RC_CMD_DEVICE_ASSIGN 0xB7
+#define RC_CMD_DEVICE_RELEASE 0xB9
+#define RC_CMD_HRT_GET 0xA8
+#define RC_CMD_ADAPTER_CLEAR 0xBE
+#define RC_CMD_ADAPTER_CONNECT 0xC9
+#define RC_CMD_ADAPTER_RESET 0xBD
+#define RC_CMD_LCT_NOTIFY 0xA2
+#define RC_CMD_OUTBOUND_INIT 0xA1
+#define RC_CMD_PATH_ENABLE 0xD3
+#define RC_CMD_PATH_QUIESCE 0xC5
+#define RC_CMD_PATH_RESET 0xD7
+#define RC_CMD_STATIC_MF_CREATE 0xDD
+#define RC_CMD_STATIC_MF_RELEASE 0xDF
+#define RC_CMD_STATUS_GET 0xA0
+#define RC_CMD_SW_DOWNLOAD 0xA9
+#define RC_CMD_SW_UPLOAD 0xAB
+#define RC_CMD_SW_REMOVE 0xAD
+#define RC_CMD_SYS_ENABLE 0xD1
+#define RC_CMD_SYS_MODIFY 0xC1
+#define RC_CMD_SYS_QUIESCE 0xC3
+#define RC_CMD_SYS_TAB_SET 0xA3
+
+
+ /* Init Outbound Q status */
+#define RC_CMD_OUTBOUND_INIT_IN_PROGRESS 0x01
+#define RC_CMD_OUTBOUND_INIT_REJECTED 0x02
+#define RC_CMD_OUTBOUND_INIT_FAILED 0x03
+#define RC_CMD_OUTBOUND_INIT_COMPLETE 0x04
+
+
+#define UTIL_NOP 0x00
+
+
+/* RC Get Status State values */
+
+#define ADAPTER_STATE_INITIALIZING 0x01
+#define ADAPTER_STATE_RESET 0x02
+#define ADAPTER_STATE_HOLD 0x04
+#define ADAPTER_STATE_READY 0x05
+#define ADAPTER_STATE_OPERATIONAL 0x08
+#define ADAPTER_STATE_FAILED 0x10
+#define ADAPTER_STATE_FAULTED 0x11
+
+
+/* Defines for Request Status Codes: Table 3-1 Reply Status Codes. */
+
+#define RC_REPLY_STATUS_SUCCESS 0x00
+#define RC_REPLY_STATUS_ABORT_DIRTY 0x01
+#define RC_REPLY_STATUS_ABORT_NO_DATA_TRANSFER 0x02
+#define RC_REPLY_STATUS_ABORT_PARTIAL_TRANSFER 0x03
+#define RC_REPLY_STATUS_ERROR_DIRTY 0x04
+#define RC_REPLY_STATUS_ERROR_NO_DATA_TRANSFER 0x05
+#define RC_REPLY_STATUS_ERROR_PARTIAL_TRANSFER 0x06
+#define RC_REPLY_STATUS_PROCESS_ABORT_DIRTY 0x07
+#define RC_REPLY_STATUS_PROCESS_ABORT_NO_DATA_TRANSFER 0x08
+#define RC_REPLY_STATUS_PROCESS_ABORT_PARTIAL_TRANSFER 0x09
+#define RC_REPLY_STATUS_TRANSACTION_ERROR 0x0A
+#define RC_REPLY_STATUS_PROGRESS_REPORT 0x80
+
+
+/* DetailedStatusCode defines for ALL messages: Table 3-2 Detailed Status Codes.*/
+
+#define RC_DS_SUCCESS 0x0000
+#define RC_DS_BAD_KEY 0x0001
+#define RC_DS_CHAIN_BUFFER_TOO_LARGE 0x0002
+#define RC_DS_DEVICE_BUSY 0x0003
+#define RC_DS_DEVICE_LOCKED 0x0004
+#define RC_DS_DEVICE_NOT_AVAILABLE 0x0005
+#define RC_DS_DEVICE_RESET 0x0006
+#define RC_DS_INAPPROPRIATE_FUNCTION 0x0007
+#define RC_DS_INSUFFICIENT_RESOURCE_HARD 0x0008
+#define RC_DS_INSUFFICIENT_RESOURCE_SOFT 0x0009
+#define RC_DS_INVALID_INITIATOR_ADDRESS 0x000A
+#define RC_DS_INVALID_MESSAGE_FLAGS 0x000B
+#define RC_DS_INVALID_OFFSET 0x000C
+#define RC_DS_INVALID_PARAMETER 0x000D
+#define RC_DS_INVALID_REQUEST 0x000E
+#define RC_DS_INVALID_TARGET_ADDRESS 0x000F
+#define RC_DS_MESSAGE_TOO_LARGE 0x0010
+#define RC_DS_MESSAGE_TOO_SMALL 0x0011
+#define RC_DS_MISSING_PARAMETER 0x0012
+#define RC_DS_NO_SUCH_PAGE 0x0013
+#define RC_DS_REPLY_BUFFER_FULL 0x0014
+#define RC_DS_TCL_ERROR 0x0015
+#define RC_DS_TIMEOUT 0x0016
+#define RC_DS_UNKNOWN_ERROR 0x0017
+#define RC_DS_UNKNOWN_FUNCTION 0x0018
+#define RC_DS_UNSUPPORTED_FUNCTION 0x0019
+#define RC_DS_UNSUPPORTED_VERSION 0x001A
+
+ /* msg header defines for VersionOffset */
+#define RCMSGVER_1 0x0001
+#define SGL_OFFSET_0 RCMSGVER_1
+#define SGL_OFFSET_4 (0x0040 | RCMSGVER_1)
+#define TRL_OFFSET_5 (0x0050 | RCMSGVER_1)
+#define TRL_OFFSET_6 (0x0060 | RCMSGVER_1)
+
+ /* msg header defines for MsgFlags */
+#define MSG_STATIC 0x0100
+#define MSG_64BIT_CNTXT 0x0200
+#define MSG_MULTI_TRANS 0x1000
+#define MSG_FAIL 0x2000
+#define MSG_LAST 0x4000
+#define MSG_REPLY 0x8000
+
+ /* normal LAN request message MsgFlags and VersionOffset (0x1041) */
+#define LAN_MSG_REQST (MSG_MULTI_TRANS | SGL_OFFSET_4)
+
+ /* minimum size msg */
+#define THREE_WORD_MSG_SIZE 0x00030000
+#define FOUR_WORD_MSG_SIZE 0x00040000
+#define FIVE_WORD_MSG_SIZE 0x00050000
+#define SIX_WORD_MSG_SIZE 0x00060000
+#define SEVEN_WORD_MSG_SIZE 0x00070000
+#define EIGHT_WORD_MSG_SIZE 0x00080000
+#define NINE_WORD_MSG_SIZE 0x00090000
+
+/* Special TID Assignments */
+
+#define ADAPTER_TID 0
+#define HOST_TID 1
+
+ /* RedCreek private message codes */
+#define RC_PRIVATE_GET_MAC_ADDR 0x0001/**/ /* OBSOLETE */
+#define RC_PRIVATE_SET_MAC_ADDR 0x0002
+#define RC_PRIVATE_GET_LAN_STATS 0x0003
+#define RC_PRIVATE_GET_LINK_STATUS 0x0004
+#define RC_PRIVATE_SET_LINK_SPEED 0x0005
+#define RC_PRIVATE_SET_IP_AND_MASK 0x0006
+/* #define RC_PRIVATE_GET_IP_AND_MASK 0x0007 */ /* OBSOLETE */
+#define RC_PRIVATE_GET_LINK_SPEED 0x0008
+#define RC_PRIVATE_GET_FIRMWARE_REV 0x0009
+/* #define RC_PRIVATE_GET_MAC_ADDR 0x000A *//**/
+#define RC_PRIVATE_GET_IP_AND_MASK 0x000B /**/
+#define RC_PRIVATE_DEBUG_MSG 0x000C
+#define RC_PRIVATE_REPORT_DRIVER_CAPABILITY 0x000D
+
+#define RC_PRIVATE_REBOOT 0x00FF
+
+
+/* RC message header */
+typedef struct _RC_MSG_FRAME
+{
+ U8 VersionOffset;
+ U8 MsgFlags;
+ U16 MessageSize;
+ BF TargetAddress:TID_SZ;
+ BF InitiatorAddress:TID_SZ;
+ BF Function:FUNCTION_SZ;
+ U32 InitiatorContext;
+ /* SGL[] */
+}
+ RC_MSG_FRAME, *PRC_MSG_FRAME;
+
+
+ /* assumed a 16K minus 256 byte space for outbound queue message frames */
+#define MSG_FRAME_SIZE 512
+#define NMBR_MSG_FRAMES 30
+
+/*
+** Message Unit CSR definitions for RedCreek PCI45 board
+*/
+typedef struct tag_rcatu
+{
+ volatile unsigned long APICRegSel; /* APIC Register Select */
+ volatile unsigned long reserved0;
+ volatile unsigned long APICWinReg; /* APIC Window Register */
+ volatile unsigned long reserved1;
+ volatile unsigned long InMsgReg0; /* inbound message register 0 */
+ volatile unsigned long InMsgReg1; /* inbound message register 1 */
+ volatile unsigned long OutMsgReg0; /* outbound message register 0 */
+ volatile unsigned long OutMsgReg1; /* outbound message register 1 */
+ volatile unsigned long InDoorReg; /* inbound doorbell register */
+ volatile unsigned long InIntStat; /* inbound interrupt status register */
+ volatile unsigned long InIntMask; /* inbound interrupt mask register */
+ volatile unsigned long OutDoorReg; /* outbound doorbell register */
+ volatile unsigned long OutIntStat; /* outbound interrupt status register */
+ volatile unsigned long OutIntMask; /* outbound interrupt mask register */
+ volatile unsigned long reserved2;
+ volatile unsigned long reserved3;
+ volatile unsigned long InQueue; /* inbound queue port */
+ volatile unsigned long OutQueue; /* outbound queue port */
+ volatile unsigned long reserved4;
+ volatile unsigned long reserver5;
+ /* RedCreek extension */
+ volatile unsigned long EtherMacLow;
+ volatile unsigned long EtherMacHi;
+ volatile unsigned long IPaddr;
+ volatile unsigned long IPmask;
+}
+ ATU, *PATU;
+
+ /*
+ ** typedef PAB
+ **
+ ** PCI Adapter Block - holds instance specific information and is located
+ ** in a reserved space at the start of the message buffer allocated by user.
+ */
+typedef struct
+{
+ PATU p_atu; /* ptr to ATU register block */
+ PU8 pPci45LinBaseAddr;
+ PU8 pLinOutMsgBlock;
+ U32 outMsgBlockPhyAddr;
+ PFNTXCALLBACK pTransCallbackFunc;
+ PFNRXCALLBACK pRecvCallbackFunc;
+ PFNCALLBACK pRebootCallbackFunc;
+ PFNCALLBACK pCallbackFunc;
+ U16 ADAPTERState;
+ U16 InboundMFrameSize;
+}
+ PAB, *PPAB;
+
+ /*
+ ** in reserved space right after PAB in host memory is area for returning
+ ** values from card
+ */
+
+ /*
+ ** Array of pointers to PCI Adapter Blocks.
+ ** Indexed by a zero based (0-31) interface number.
+ */
+#define MAX_ADAPTERS 32
+static PPAB PCIAdapterBlock[MAX_ADAPTERS] =
+{
+ NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
+ NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
+ NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
+ NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL
+};
+
+
+/*
+** typedef NICSTAT
+**
+** Data structure for NIC statistics retruned from PCI card. Data copied from
+** here to user allocated RCLINKSTATS (see rclanmtl.h) structure.
+*/
+typedef struct tag_NicStat
+{
+ unsigned long TX_good;
+ unsigned long TX_maxcol;
+ unsigned long TX_latecol;
+ unsigned long TX_urun;
+ unsigned long TX_crs; /* lost carrier sense */
+ unsigned long TX_def; /* transmit deferred */
+ unsigned long TX_singlecol; /* single collisions */
+ unsigned long TX_multcol;
+ unsigned long TX_totcol;
+ unsigned long Rcv_good;
+ unsigned long Rcv_CRCerr;
+ unsigned long Rcv_alignerr;
+ unsigned long Rcv_reserr; /* rnr'd pkts */
+ unsigned long Rcv_orun;
+ unsigned long Rcv_cdt;
+ unsigned long Rcv_runt;
+ unsigned long dump_status; /* last field directly from the chip */
+}
+ NICSTAT, *P_NICSTAT;
+
+
+#define DUMP_DONE 0x0000A005 /* completed statistical dump */
+#define DUMP_CLEAR 0x0000A007 /* completed stat dump and clear counters */
+
+
+static volatile int msgFlag;
+
+
+/* local function prototypes */
+static void ProcessOutboundAdapterMsg(PPAB pPab, U32 phyMsgAddr);
+static int FillAdapterMsgSGLFromTCB(PU32 pMsg, PRCTCB pXmitCntrlBlock);
+static int GetAdapterStatus(PPAB pPab);
+static int SendAdapterOutboundQInitMsg(PPAB pPab);
+static int SendEnableSysMsg(PPAB pPab);
+
+
+ /* 1st 100h bytes of message block is reserved for messenger instance */
+#define ADAPTER_BLOCK_RESERVED_SPACE 0x100
+
+/*
+** =========================================================================
+** InitRCApiMsgLayer()
+**
+** Initialize the RedCreek API Module and adapter.
+**
+** Inputs: AdapterID - interface number from 0 to 15
+** pciBaseAddr - virual base address of PCI (set by BIOS)
+** p_msgbuf - virual address to private message block (min. 16K)
+** p_phymsgbuf - physical address of private message block
+** TransmitCallbackFunction - address of transmit callback function
+** ReceiveCallbackFunction - address of receive callback function
+**
+** private message block is allocated by user. It must be in locked pages.
+** p_msgbuf and p_phymsgbuf point to the same location. Must be contigous
+** memory block of a minimum of 16K byte and long word aligned.
+** =========================================================================
+*/
+RC_RETURN
+InitRCApiMsgLayer(U16 AdapterID, U32 pciBaseAddr,
+ PU8 p_msgbuf, PU8 p_phymsgbuf,
+ PFNTXCALLBACK TransmitCallbackFunction,
+ PFNRXCALLBACK ReceiveCallbackFunction,
+ PFNCALLBACK RebootCallbackFunction)
+{
+ int result;
+ PPAB pPab;
+
+#ifdef DEBUG
+ kprintf("InitAPI: Adapter:0x%04.4ux ATU:0x%08.8ulx msgbuf:0x%08.8ulx phymsgbuf:0x%08.8ulx\n"
+ "TransmitCallbackFunction:0x%08.8ulx ReceiveCallbackFunction:0x%08.8ulx\n",
+ AdapterID, pciBaseAddr, p_msgbuf, p_phymsgbuf, TransmitCallbackFunction, ReceiveCallbackFunction);
+#endif /* DEBUG */
+
+
+ /* Check if this interface already initialized - if so, shut it down */
+ if (PCIAdapterBlock[AdapterID] != NULL)
+ {
+ printk("PCIAdapterBlock[%d]!=NULL\n", AdapterID);
+// RCResetLANCard(AdapterID, 0, (PU32)NULL, (PFNCALLBACK)NULL);
+ PCIAdapterBlock[AdapterID] = NULL;
+ }
+
+ /*
+ ** store adapter instance values in adapter block.
+ ** Adapter block is at beginning of message buffer
+ */
+ pPab = (PPAB)p_msgbuf;
+
+ pPab->p_atu = (PATU)pciBaseAddr;
+ pPab->pPci45LinBaseAddr = (PU8)pciBaseAddr;
+
+ /* Set outbound message frame addr - skip over Adapter Block */
+ pPab->outMsgBlockPhyAddr = (U32)(p_phymsgbuf + ADAPTER_BLOCK_RESERVED_SPACE);
+ pPab->pLinOutMsgBlock = (PU8)(p_msgbuf + ADAPTER_BLOCK_RESERVED_SPACE);
+
+ /* store callback function addresses */
+ pPab->pTransCallbackFunc = TransmitCallbackFunction;
+ pPab->pRecvCallbackFunc = ReceiveCallbackFunction;
+ pPab->pRebootCallbackFunc = RebootCallbackFunction;
+ pPab->pCallbackFunc = (PFNCALLBACK)NULL;
+
+ /*
+ ** Initialize API
+ */
+ result = GetAdapterStatus(pPab);
+
+ if (result != RC_RTN_NO_ERROR)
+ return result;
+
+ if (pPab->ADAPTERState == ADAPTER_STATE_OPERATIONAL)
+ {
+ printk("pPab->ADAPTERState == op: resetting adapter\n");
+ RCResetLANCard(AdapterID, 0, (PU32)NULL, (PFNCALLBACK)NULL);
+ }
+
+ result = SendAdapterOutboundQInitMsg(pPab);
+
+ if (result != RC_RTN_NO_ERROR)
+ return result;
+
+ result = SendEnableSysMsg(pPab);
+
+ if (result != RC_RTN_NO_ERROR)
+ return result;
+
+ PCIAdapterBlock[AdapterID] = pPab;
+ return RC_RTN_NO_ERROR;
+}
+
+/*
+** =========================================================================
+** Disable and Enable Adapter interrupts. Adapter interrupts are enabled at Init time
+** but can be disabled and re-enabled through these two function calls.
+** Packets will still be put into any posted received buffers and packets will
+** be sent through RCSendPacket() functions. Disabling Adapter interrupts
+** will prevent hardware interrupt to host even though the outbound Adapter msg
+** queue is not emtpy.
+** =========================================================================
+*/
+#define i960_OUT_POST_Q_INT_BIT 0x0008 /* bit set masks interrupts */
+
+RC_RETURN RCDisableAdapterInterrupts(U16 AdapterID)
+{
+ PPAB pPab;
+
+
+ pPab = PCIAdapterBlock[AdapterID];
+
+ if (pPab == NULL)
+ return RC_RTN_ADPTR_NOT_REGISTERED;
+
+ pPab->p_atu->OutIntMask |= i960_OUT_POST_Q_INT_BIT;
+
+ return RC_RTN_NO_ERROR;
+}
+
+RC_RETURN RCEnableAdapterInterrupts(U16 AdapterID)
+{
+ PPAB pPab;
+
+ pPab = PCIAdapterBlock[AdapterID];
+
+ if (pPab == NULL)
+ return RC_RTN_ADPTR_NOT_REGISTERED;
+
+ pPab->p_atu->OutIntMask &= ~i960_OUT_POST_Q_INT_BIT;
+
+ return RC_RTN_NO_ERROR;
+
+}
+
+
+/*
+** =========================================================================
+** RCSendPacket()
+** =========================================================================
+*/
+RC_RETURN
+RCSendPacket(U16 AdapterID, U32 InitiatorContext, PRCTCB pTransCtrlBlock)
+{
+ U32 msgOffset;
+ PU32 pMsg;
+ int size;
+ PPAB pPab;
+
+#ifdef DEBUG
+kprintf("RCSendPacket()...\n");
+#endif /* DEBUG */
+
+ pPab = PCIAdapterBlock[AdapterID];
+
+ if (pPab == NULL)
+ return RC_RTN_ADPTR_NOT_REGISTERED;
+
+ /* get Inbound free Q entry - reading from In Q gets free Q entry */
+ /* offset to Msg Frame in PCI msg block */
+
+ msgOffset = pPab->p_atu->InQueue;
+
+ if (msgOffset == 0xFFFFFFFF)
+ {
+#ifdef DEBUG
+ kprintf("RCSendPacket(): Inbound Free Q empty!\n");
+#endif /* DEBUG */
+ return RC_RTN_FREE_Q_EMPTY;
+ }
+
+ /* calc virual address of msg - virual already mapped to physical */
+ pMsg = (PU32)(pPab->pPci45LinBaseAddr + msgOffset);
+
+ size = FillAdapterMsgSGLFromTCB(pMsg + 4, pTransCtrlBlock);
+
+ if (size == -1) /* error processing TCB - send NOP msg */
+ {
+#ifdef DEBUG
+ kprintf("RCSendPacket(): Error Rrocess TCB!\n");
+#endif /* DEBUG */
+ pMsg[0] = THREE_WORD_MSG_SIZE | SGL_OFFSET_0;
+ pMsg[1] = UTIL_NOP << 24 | HOST_TID << 12 | LAN_TARGET_ID;
+ return RC_RTN_TCB_ERROR;
+ }
+ else /* send over msg header */
+ {
+ pMsg[0] = (size + 4) << 16 | LAN_MSG_REQST; /* send over message size and flags */
+ pMsg[1] = LAN_PACKET_SEND << 24 | HOST_TID << 12 | LAN_TARGET_ID;
+ pMsg[2] = InitiatorContext;
+ pMsg[3] = 0; /* batch reply */
+ /* post to Inbound Post Q */
+ pPab->p_atu->InQueue = msgOffset;
+ return RC_RTN_NO_ERROR;
+ }
+}
+
+
+/*
+** =========================================================================
+** RCPostRecvBuffer()
+**
+** inputs: pBufrCntrlBlock - pointer to buffer control block
+**
+** returns TRUE if successful in sending message, else FALSE.
+** =========================================================================
+*/
+RC_RETURN
+RCPostRecvBuffers(U16 AdapterID, PRCTCB pTransCtrlBlock)
+{
+ U32 msgOffset;
+ PU32 pMsg;
+ int size;
+ PPAB pPab;
+
+#ifdef DEBUG
+kprintf("RCPostRecvBuffers()...\n");
+#endif /* DEBUG */
+
+ /* search for DeviceHandle */
+ pPab = PCIAdapterBlock[AdapterID];
+
+ if (pPab == NULL)
+ return RC_RTN_ADPTR_NOT_REGISTERED;
+
+
+ /* get Inbound free Q entry - reading from In Q gets free Q entry */
+ /* offset to Msg Frame in PCI msg block */
+ msgOffset = pPab->p_atu->InQueue;
+
+ if (msgOffset == 0xFFFFFFFF)
+ {
+#ifdef DEBUG
+ kprintf("RCPostRecvBuffers(): Inbound Free Q empty!\n");
+#endif /* DEBUG */
+ return RC_RTN_FREE_Q_EMPTY;
+
+ }
+ /* calc virual address of msg - virual already mapped to physical */
+ pMsg = (PU32)(pPab->pPci45LinBaseAddr + msgOffset);
+
+ size = FillAdapterMsgSGLFromTCB(pMsg + 4, pTransCtrlBlock);
+
+ if (size == -1) /* error prcessing TCB - send 3 DWORD private msg == NOP */
+ {
+#ifdef DEBUG
+ kprintf("RCPostRecvBuffers(): Error Processing TCB! size = %d\n", size);
+#endif /* DEBUG */
+ pMsg[0] = THREE_WORD_MSG_SIZE | SGL_OFFSET_0;
+ pMsg[1] = UTIL_NOP << 24 | HOST_TID << 12 | LAN_TARGET_ID;
+ /* post to Post Q */
+ pPab->p_atu->InQueue = msgOffset;
+ return RC_RTN_TCB_ERROR;
+ }
+ else /* send over size msg header */
+ {
+ pMsg[0] = (size + 4) << 16 | LAN_MSG_REQST; /* send over message size and flags */
+ pMsg[1] = LAN_RECEIVE_POST << 24 | HOST_TID << 12 | LAN_TARGET_ID;
+ pMsg[2] = DEFAULT_RECV_INIT_CONTEXT;
+ pMsg[3] = *(PU32)pTransCtrlBlock; /* number of packet buffers */
+ /* post to Post Q */
+ pPab->p_atu->InQueue = msgOffset;
+ return RC_RTN_NO_ERROR;
+ }
+}
+
+
+/*
+** =========================================================================
+** RCProcMsgQ()
+**
+** Process outbound message queue until empty.
+** =========================================================================
+*/
+void
+RCProcMsgQ(U16 AdapterID)
+{
+ U32 phyAddrMsg;
+ PU8 p8Msg;
+ PU32 p32;
+ U16 count;
+ PPAB pPab;
+ unsigned char debug_msg[20];
+
+ pPab = PCIAdapterBlock[AdapterID];
+
+ if (pPab == NULL)
+ return;
+
+ phyAddrMsg = pPab->p_atu->OutQueue;
+
+ while (phyAddrMsg != 0xFFFFFFFF)
+ {
+ p8Msg = pPab->pLinOutMsgBlock + (phyAddrMsg - pPab->outMsgBlockPhyAddr);
+ p32 = (PU32)p8Msg;
+
+ //printk(" msg: 0x%x 0x%x \n", p8Msg[7], p32[5]);
+
+ /*
+ ** Send Packet Reply Msg
+ */
+ if (LAN_PACKET_SEND == p8Msg[7]) /* function code byte */
+ {
+ count = *(PU16)(p8Msg+2);
+ count -= p8Msg[0] >> 4;
+ /* status, count, context[], adapter */
+ (*pPab->pTransCallbackFunc)(p8Msg[19], count, p32+5, AdapterID);
+ }
+ /*
+ ** Receive Packet Reply Msg */
+ else if (LAN_RECEIVE_POST == p8Msg[7])
+ {
+#ifdef DEBUG
+ kprintf("RECV_REPLY pPab:0x%08.8ulx p8Msg:0x%08.8ulx p32:0x%08.8ulx\n", pPab, p8Msg, p32);
+ kprintf("msg: 0x%08.8ulx:0x%08.8ulx:0x%08.8ulx:0x%08.8ulx\n",
+ p32[0], p32[1], p32[2], p32[3]);
+ kprintf(" 0x%08.8ulx:0x%08.8ulx:0x%08.8ulx:0x%08.8ulx\n",
+ p32[4], p32[5], p32[6], p32[7]);
+ kprintf(" 0x%08.8ulx:0X%08.8ulx:0x%08.8ulx:0x%08.8ulx\n",
+ p32[8], p32[9], p32[10], p32[11]);
+#endif
+ /* status, count, buckets remaining, packetParmBlock, adapter */
+ (*pPab->pRecvCallbackFunc)(p8Msg[19], p8Msg[12], p32[5], p32+6, AdapterID);
+
+
+ }
+ else if (LAN_RESET == p8Msg[7] || LAN_SHUTDOWN == p8Msg[7])
+ {
+ if (pPab->pCallbackFunc)
+ {
+ (*pPab->pCallbackFunc)(p8Msg[19],0,0,AdapterID);
+ }
+ else
+ {
+ pPab->pCallbackFunc = (PFNCALLBACK) 1;
+ }
+ //PCIAdapterBlock[AdapterID] = 0;
+ }
+ else if (RC_PRIVATE == p8Msg[7])
+ {
+ //printk("i2o private 0x%x, 0x%x \n", p8Msg[7], p32[5]);
+ switch (p32[5])
+ {
+ case RC_PRIVATE_DEBUG_MSG:
+ msgFlag = 1;
+ /*printk("Received RC_PRIVATE msg\n");*/
+ debug_msg[15] = (p32[6]&0xff000000) >> 24;
+ debug_msg[14] = (p32[6]&0x00ff0000) >> 16;
+ debug_msg[13] = (p32[6]&0x0000ff00) >> 8;
+ debug_msg[12] = (p32[6]&0x000000ff);
+
+ debug_msg[11] = (p32[7]&0xff000000) >> 24;
+ debug_msg[10] = (p32[7]&0x00ff0000) >> 16;
+ debug_msg[ 9] = (p32[7]&0x0000ff00) >> 8;
+ debug_msg[ 8] = (p32[7]&0x000000ff);
+
+ debug_msg[ 7] = (p32[8]&0xff000000) >> 24;
+ debug_msg[ 6] = (p32[8]&0x00ff0000) >> 16;
+ debug_msg[ 5] = (p32[8]&0x0000ff00) >> 8;
+ debug_msg[ 4] = (p32[8]&0x000000ff);
+
+ debug_msg[ 3] = (p32[9]&0xff000000) >> 24;
+ debug_msg[ 2] = (p32[9]&0x00ff0000) >> 16;
+ debug_msg[ 1] = (p32[9]&0x0000ff00) >> 8;
+ debug_msg[ 0] = (p32[9]&0x000000ff);
+
+ debug_msg[16] = '\0';
+ printk (debug_msg);
+ break;
+ case RC_PRIVATE_REBOOT:
+ printk("Adapter reboot initiated...\n");
+ if (pPab->pRebootCallbackFunc)
+ {
+ (*pPab->pRebootCallbackFunc)(0,0,0,AdapterID);
+ }
+ break;
+ default:
+ printk("Unknown private msg received: 0x%x\n",
+ p32[5]);
+ break;
+ }
+ }
+
+ /*
+ ** Process other Msg's
+ */
+ else
+ {
+ ProcessOutboundAdapterMsg(pPab, phyAddrMsg);
+ }
+
+ /* return MFA to outbound free Q*/
+ pPab->p_atu->OutQueue = phyAddrMsg;
+
+ /* any more msgs? */
+ phyAddrMsg = pPab->p_atu->OutQueue;
+ }
+}
+
+
+/*
+** =========================================================================
+** Returns LAN interface statistical counters to space provided by caller at
+** StatsReturnAddr. Returns 0 if success, else RC_RETURN code.
+** This function will call the WaitCallback function provided by
+** user while waiting for card to respond.
+** =========================================================================
+*/
+RC_RETURN
+RCGetLinkStatistics(U16 AdapterID,
+ P_RCLINKSTATS StatsReturnAddr,
+ PFNWAITCALLBACK WaitCallback)
+{
+ U32 msgOffset;
+ volatile U32 timeout;
+ volatile PU32 pMsg;
+ volatile PU32 p32, pReturnAddr;
+ P_NICSTAT pStats;
+ int i;
+ PPAB pPab;
+
+/*kprintf("Get82558Stats() StatsReturnAddr:0x%08.8ulx\n", StatsReturnAddr);*/
+
+ pPab = PCIAdapterBlock[AdapterID];
+
+ if (pPab == NULL)
+ return RC_RTN_ADPTR_NOT_REGISTERED;
+
+ msgOffset = pPab->p_atu->InQueue;
+
+ if (msgOffset == 0xFFFFFFFF)
+ {
+ #ifdef DEBUG
+ kprintf("Get8255XStats(): Inbound Free Q empty!\n");
+ #endif
+ return RC_RTN_FREE_Q_EMPTY;
+ }
+
+ /* calc virual address of msg - virual already mapped to physical */
+ pMsg = (PU32)(pPab->pPci45LinBaseAddr + msgOffset);
+
+/*dprintf("Get82558Stats - pMsg = 0x%08ulx, InQ msgOffset = 0x%08ulx\n", pMsg, msgOffset);*/
+/*dprintf("Get82558Stats - pMsg = 0x%08X, InQ msgOffset = 0x%08X\n", pMsg, msgOffset);*/
+
+ pMsg[0] = SIX_WORD_MSG_SIZE | SGL_OFFSET_0;
+ pMsg[1] = RC_PRIVATE << 24 | HOST_TID << 12 | LAN_TARGET_ID;
+ pMsg[2] = DEFAULT_RECV_INIT_CONTEXT;
+ pMsg[3] = 0x112; /* transaction context */
+ pMsg[4] = RC_PCI45_VENDOR_ID << 16 | RC_PRIVATE_GET_LAN_STATS;
+ pMsg[5] = pPab->outMsgBlockPhyAddr - ADAPTER_BLOCK_RESERVED_SPACE + sizeof(PAB);
+
+ p32 = (PU32)(pPab->pLinOutMsgBlock - ADAPTER_BLOCK_RESERVED_SPACE + sizeof(PAB));
+
+ pStats = (P_NICSTAT)p32;
+ pStats->dump_status = 0xFFFFFFFF;
+
+ /* post to Inbound Post Q */
+ pPab->p_atu->InQueue = msgOffset;
+
+ timeout = 100000;
+ while (1)
+ {
+ if (WaitCallback)
+ (*WaitCallback)();
+
+ for (i = 0; i < 1000; i++)
+ ;
+
+ if (pStats->dump_status != 0xFFFFFFFF)
+ break;
+
+ if (!timeout--)
+ {
+ #ifdef DEBUG
+ kprintf("RCGet82558Stats() Timeout waiting for NIC statistics\n");
+ #endif
+ return RC_RTN_MSG_REPLY_TIMEOUT;
+ }
+ }
+
+ pReturnAddr = (PU32)StatsReturnAddr;
+
+ /* copy Nic stats to user's structure */
+ for (i = 0; i < (int) sizeof(RCLINKSTATS) / 4; i++)
+ pReturnAddr[i] = p32[i];
+
+ return RC_RTN_NO_ERROR;
+}
+
+
+/*
+** =========================================================================
+** Get82558LinkStatus()
+** =========================================================================
+*/
+RC_RETURN
+RCGetLinkStatus(U16 AdapterID, PU32 ReturnAddr, PFNWAITCALLBACK WaitCallback)
+{
+ U32 msgOffset;
+ volatile U32 timeout;
+ volatile PU32 pMsg;
+ volatile PU32 p32;
+ PPAB pPab;
+
+/*kprintf("Get82558LinkStatus() ReturnPhysAddr:0x%08.8ulx\n", ReturnAddr);*/
+
+ pPab = PCIAdapterBlock[AdapterID];
+
+ if (pPab == NULL)
+ return RC_RTN_ADPTR_NOT_REGISTERED;
+
+ msgOffset = pPab->p_atu->InQueue;
+
+ if (msgOffset == 0xFFFFFFFF)
+ {
+ #ifdef DEBUG
+ dprintf("Get82558LinkStatus(): Inbound Free Q empty!\n");
+ #endif
+ return RC_RTN_FREE_Q_EMPTY;
+ }
+
+ /* calc virual address of msg - virual already mapped to physical */
+ pMsg = (PU32)(pPab->pPci45LinBaseAddr + msgOffset);
+/*dprintf("Get82558LinkStatus - pMsg = 0x%08ulx, InQ msgOffset = 0x%08ulx\n", pMsg, msgOffset);*/
+/*dprintf("Get82558LinkStatus - pMsg = 0x%08X, InQ msgOffset = 0x%08X\n", pMsg, msgOffset);*/
+
+ pMsg[0] = SIX_WORD_MSG_SIZE | SGL_OFFSET_0;
+ pMsg[1] = RC_PRIVATE << 24 | HOST_TID << 12 | LAN_TARGET_ID;
+ pMsg[2] = DEFAULT_RECV_INIT_CONTEXT;
+ pMsg[3] = 0x112; /* transaction context */
+ pMsg[4] = RC_PCI45_VENDOR_ID << 16 | RC_PRIVATE_GET_LINK_STATUS;
+ pMsg[5] = pPab->outMsgBlockPhyAddr - ADAPTER_BLOCK_RESERVED_SPACE + sizeof(PAB);
+
+ p32 = (PU32)(pPab->pLinOutMsgBlock - ADAPTER_BLOCK_RESERVED_SPACE + sizeof(PAB));
+ *p32 = 0xFFFFFFFF;
+
+ /* post to Inbound Post Q */
+ pPab->p_atu->InQueue = msgOffset;
+
+ timeout = 100000;
+ while (1)
+ {
+ U32 i;
+
+ if (WaitCallback)
+ (*WaitCallback)();
+
+ for (i = 0; i < 1000; i++)
+ ;
+
+ if (*p32 != 0xFFFFFFFF)
+ break;
+
+ if (!timeout--)
+ {
+ #ifdef DEBUG
+ kprintf("Timeout waiting for link status\n");
+ #endif
+ return RC_RTN_MSG_REPLY_TIMEOUT;
+ }
+ }
+
+ *ReturnAddr = *p32; /* 1 = up 0 = down */
+
+ return RC_RTN_NO_ERROR;
+
+}
+
+/*
+** =========================================================================
+** RCGetMAC()
+**
+** get the MAC address the adapter is listening for in non-promiscous mode.
+** MAC address is in media format.
+** =========================================================================
+*/
+RC_RETURN
+RCGetMAC(U16 AdapterID, PU8 mac, PFNWAITCALLBACK WaitCallback)
+{
+ unsigned i, timeout;
+ U32 off;
+ PU32 p;
+ U32 temp[2];
+ PPAB pPab;
+ PATU p_atu;
+
+ pPab = PCIAdapterBlock[AdapterID];
+
+ if (pPab == NULL)
+ return RC_RTN_ADPTR_NOT_REGISTERED;
+
+ p_atu = pPab->p_atu;
+
+ p_atu->EtherMacLow = 0; /* first zero return data */
+ p_atu->EtherMacHi = 0;
+
+ off = p_atu->InQueue; /* get addresss of message */
+
+ if (0xFFFFFFFF == off)
+ return RC_RTN_FREE_Q_EMPTY;
+
+ p = (PU32)(pPab->pPci45LinBaseAddr + off);
+
+#ifdef RCDEBUG
+ printk("RCGetMAC: p_atu 0x%08x, off 0x%08x, p 0x%08x\n",
+ (uint)p_atu, (uint)off, (uint)p);
+#endif /* RCDEBUG */
+ /* setup private message */
+ p[0] = FIVE_WORD_MSG_SIZE | SGL_OFFSET_0;
+ p[1] = RC_PRIVATE << 24 | HOST_TID << 12 | LAN_TARGET_ID;
+ p[2] = 0; /* initiator context */
+ p[3] = 0x218; /* transaction context */
+ p[4] = RC_PCI45_VENDOR_ID << 16 | RC_PRIVATE_GET_MAC_ADDR;
+
+
+ p_atu->InQueue = off; /* send it to the device */
+#ifdef RCDEBUG
+ printk("RCGetMAC: p_atu 0x%08x, off 0x%08x, p 0x%08x\n",
+ (uint)p_atu, (uint)off, (uint)p);
+#endif /* RCDEBUG */
+
+ /* wait for the rcpci45 board to update the info */
+ timeout = 1000000;
+ while (0 == p_atu->EtherMacLow)
+ {
+ if (WaitCallback)
+ (*WaitCallback)();
+
+ for (i = 0; i < 1000; i++)
+ ;
+
+ if (!timeout--)
+ {
+ printk("rc_getmac: Timeout\n");
+ return RC_RTN_MSG_REPLY_TIMEOUT;
+ }
+ }
+
+ /* read the mac address */
+ temp[0] = p_atu->EtherMacLow;
+ temp[1] = p_atu->EtherMacHi;
+ memcpy((char *)mac, (char *)temp, 6);
+
+
+#ifdef RCDEBUG
+// printk("rc_getmac: 0x%X\n", ptr);
+#endif /* RCDEBUG */
+
+ return RC_RTN_NO_ERROR;
+}
+
+
+/*
+** =========================================================================
+** RCSetMAC()
+**
+** set MAC address the adapter is listening for in non-promiscous mode.
+** MAC address is in media format.
+** =========================================================================
+*/
+RC_RETURN
+RCSetMAC(U16 AdapterID, PU8 mac)
+{
+ U32 off;
+ PU32 pMsg;
+ PPAB pPab;
+
+
+ pPab = PCIAdapterBlock[AdapterID];
+
+ if (pPab == NULL)
+ return RC_RTN_ADPTR_NOT_REGISTERED;
+
+ off = pPab->p_atu->InQueue; /* get addresss of message */
+
+ if (0xFFFFFFFF == off)
+ return RC_RTN_FREE_Q_EMPTY;
+
+ pMsg = (PU32)(pPab->pPci45LinBaseAddr + off);
+
+ /* setup private message */
+ pMsg[0] = SEVEN_WORD_MSG_SIZE | SGL_OFFSET_0;
+ pMsg[1] = RC_PRIVATE << 24 | HOST_TID << 12 | LAN_TARGET_ID;
+ pMsg[2] = 0; /* initiator context */
+ pMsg[3] = 0x219; /* transaction context */
+ pMsg[4] = RC_PCI45_VENDOR_ID << 16 | RC_PRIVATE_SET_MAC_ADDR;
+ pMsg[5] = *(unsigned *)mac; /* first four bytes */
+ pMsg[6] = *(unsigned *)(mac + 4); /* last two bytes */
+
+ pPab->p_atu->InQueue = off; /* send it to the device */
+
+ return RC_RTN_NO_ERROR ;
+}
+
+
+/*
+** =========================================================================
+** RCSetLinkSpeed()
+**
+** set ethernet link speed.
+** input: speedControl - determines action to take as follows
+** 0 = reset and auto-negotiate (NWay)
+** 1 = Full Duplex 100BaseT
+** 2 = Half duplex 100BaseT
+** 3 = Full Duplex 10BaseT
+** 4 = Half duplex 10BaseT
+** all other values are ignore (do nothing)
+** =========================================================================
+*/
+RC_RETURN
+RCSetLinkSpeed(U16 AdapterID, U16 LinkSpeedCode)
+{
+ U32 off;
+ PU32 pMsg;
+ PPAB pPab;
+
+
+ pPab =PCIAdapterBlock[AdapterID];
+
+ if (pPab == NULL)
+ return RC_RTN_ADPTR_NOT_REGISTERED;
+
+ off = pPab->p_atu->InQueue; /* get addresss of message */
+
+ if (0xFFFFFFFF == off)
+ return RC_RTN_FREE_Q_EMPTY;
+
+ pMsg = (PU32)(pPab->pPci45LinBaseAddr + off);
+
+ /* setup private message */
+ pMsg[0] = SIX_WORD_MSG_SIZE | SGL_OFFSET_0;
+ pMsg[1] = RC_PRIVATE << 24 | HOST_TID << 12 | LAN_TARGET_ID;
+ pMsg[2] = 0; /* initiator context */
+ pMsg[3] = 0x219; /* transaction context */
+ pMsg[4] = RC_PCI45_VENDOR_ID << 16 | RC_PRIVATE_SET_LINK_SPEED;
+ pMsg[5] = LinkSpeedCode; /* link speed code */
+
+ pPab->p_atu->InQueue = off; /* send it to the device */
+
+ return RC_RTN_NO_ERROR ;
+}
+
+/*
+** =========================================================================
+** RCGetLinkSpeed()
+**
+** get ethernet link speed.
+**
+** 0 = Unknown
+** 1 = Full Duplex 100BaseT
+** 2 = Half duplex 100BaseT
+** 3 = Full Duplex 10BaseT
+** 4 = Half duplex 10BaseT
+**
+** =========================================================================
+*/
+RC_RETURN
+RCGetLinkSpeed(U16 AdapterID, PU32 pLinkSpeedCode, PFNWAITCALLBACK WaitCallback)
+{
+ U32 msgOffset, timeout;
+ PU32 pMsg;
+ volatile PU32 p32;
+ U8 AdapterLinkSpeed;
+ PPAB pPab;
+
+ pPab =PCIAdapterBlock[AdapterID];
+
+
+ msgOffset = pPab->p_atu->InQueue;
+
+
+ if (msgOffset == 0xFFFFFFFF)
+ {
+ kprintf("RCGetLinkSpeed(): Inbound Free Q empty!\n");
+ return RC_RTN_FREE_Q_EMPTY;
+ }
+
+ /* calc virtual address of msg - virtual already mapped to physical */
+ pMsg = (PU32)(pPab->pPci45LinBaseAddr + msgOffset);
+
+ /* virtual pointer to return buffer - clear first two dwords */
+ p32 = (volatile PU32)(pPab->pLinOutMsgBlock - ADAPTER_BLOCK_RESERVED_SPACE + sizeof(PAB));
+ p32[0] = 0xff;
+
+ /* setup private message */
+ pMsg[0] = SIX_WORD_MSG_SIZE | SGL_OFFSET_0;
+ pMsg[1] = RC_PRIVATE << 24 | HOST_TID << 12 | LAN_TARGET_ID;
+ pMsg[2] = 0; /* initiator context */
+ pMsg[3] = 0x219; /* transaction context */
+ pMsg[4] = RC_PCI45_VENDOR_ID << 16 | RC_PRIVATE_GET_LINK_SPEED;
+ /* phys address to return status - area right after PAB */
+ pMsg[5] = pPab->outMsgBlockPhyAddr - ADAPTER_BLOCK_RESERVED_SPACE + sizeof(PAB);
+
+ /* post to Inbound Post Q */
+
+ pPab->p_atu->InQueue = msgOffset;
+
+ /* wait for response */
+ timeout = 1000000;
+ while(1)
+ {
+ int i;
+
+ if (WaitCallback)
+ (*WaitCallback)();
+
+ for (i = 0; i < 1000; i++) /* please don't hog the bus!!! */
+ ;
+
+ if (p32[0] != 0xff)
+ break;
+
+ if (!timeout--)
+ {
+ kprintf("Timeout waiting for link speed from adapter\n");
+ kprintf("0x%08.8ulx\n", p32[0]);
+ return RC_RTN_NO_LINK_SPEED;
+ }
+ }
+
+ /* get Link speed */
+ AdapterLinkSpeed = (U8)((volatile PU8)p32)[0] & 0x0f;
+
+ *pLinkSpeedCode= AdapterLinkSpeed;
+
+ return RC_RTN_NO_ERROR;
+}
+
+/*
+** =========================================================================
+** RCReportDriverCapability(U16 AdapterID, U32 capability)
+**
+** Currently defined bits:
+** WARM_REBOOT_CAPABLE 0x01
+**
+** =========================================================================
+*/
+RC_RETURN
+RCReportDriverCapability(U16 AdapterID, U32 capability)
+{
+ U32 off;
+ PU32 pMsg;
+ PPAB pPab;
+
+ pPab =PCIAdapterBlock[AdapterID];
+
+ if (pPab == NULL)
+ return RC_RTN_ADPTR_NOT_REGISTERED;
+
+ off = pPab->p_atu->InQueue; /* get addresss of message */
+
+ if (0xFFFFFFFF == off)
+ return RC_RTN_FREE_Q_EMPTY;
+
+ pMsg = (PU32)(pPab->pPci45LinBaseAddr + off);
+
+ /* setup private message */
+ pMsg[0] = SIX_WORD_MSG_SIZE | SGL_OFFSET_0;
+ pMsg[1] = RC_PRIVATE << 24 | HOST_TID << 12 | LAN_TARGET_ID;
+ pMsg[2] = 0; /* initiator context */
+ pMsg[3] = 0x219; /* transaction context */
+ pMsg[4] = RC_PCI45_VENDOR_ID << 16 | RC_PRIVATE_REPORT_DRIVER_CAPABILITY;
+ pMsg[5] = capability;
+
+ pPab->p_atu->InQueue = off; /* send it to the device */
+
+ return RC_RTN_NO_ERROR ;
+}
+
+/*
+** =========================================================================
+** RCGetFirmwareVer()
+**
+** Return firmware version in the form "SoftwareVersion : Bt BootVersion"
+**
+** =========================================================================
+*/
+RC_RETURN
+RCGetFirmwareVer(U16 AdapterID, PU8 pFirmString, PFNWAITCALLBACK WaitCallback)
+{
+ U32 msgOffset, timeout;
+ PU32 pMsg;
+ volatile PU32 p32;
+ PPAB pPab;
+
+ pPab =PCIAdapterBlock[AdapterID];
+
+ msgOffset = pPab->p_atu->InQueue;
+
+
+ if (msgOffset == 0xFFFFFFFF)
+ {
+ kprintf("RCGetFirmwareVer(): Inbound Free Q empty!\n");
+ return RC_RTN_FREE_Q_EMPTY;
+ }
+
+ /* calc virtual address of msg - virtual already mapped to physical */
+ pMsg = (PU32)(pPab->pPci45LinBaseAddr + msgOffset);
+
+ /* virtual pointer to return buffer - clear first two dwords */
+ p32 = (volatile PU32)(pPab->pLinOutMsgBlock - ADAPTER_BLOCK_RESERVED_SPACE + sizeof(PAB));
+ p32[0] = 0xff;
+
+ /* setup private message */
+ pMsg[0] = SIX_WORD_MSG_SIZE | SGL_OFFSET_0;
+ pMsg[1] = RC_PRIVATE << 24 | HOST_TID << 12 | LAN_TARGET_ID;
+ pMsg[2] = 0; /* initiator context */
+ pMsg[3] = 0x219; /* transaction context */
+ pMsg[4] = RC_PCI45_VENDOR_ID << 16 | RC_PRIVATE_GET_FIRMWARE_REV;
+ /* phys address to return status - area right after PAB */
+ pMsg[5] = pPab->outMsgBlockPhyAddr - ADAPTER_BLOCK_RESERVED_SPACE + sizeof(PAB);
+
+
+
+ /* post to Inbound Post Q */
+
+ pPab->p_atu->InQueue = msgOffset;
+
+
+ /* wait for response */
+ timeout = 1000000;
+ while(1)
+ {
+ int i;
+
+ if (WaitCallback)
+ (*WaitCallback)();
+
+ for (i = 0; i < 1000; i++) /* please don't hog the bus!!! */
+ ;
+
+ if (p32[0] != 0xff)
+ break;
+
+ if (!timeout--)
+ {
+ kprintf("Timeout waiting for link speed from adapter\n");
+ return RC_RTN_NO_FIRM_VER;
+ }
+ }
+
+ strcpy(pFirmString, (PU8)p32);
+ return RC_RTN_NO_ERROR;
+}
+
+/*
+** =========================================================================
+** RCResetLANCard()
+**
+** ResourceFlags indicates whether to return buffer resource explicitly
+** to host or keep and reuse.
+** CallbackFunction (if not NULL) is the function to be called when
+** reset is complete.
+** If CallbackFunction is NULL, ReturnAddr will have a 1 placed in it when
+** reset is done (if not NULL).
+**
+** =========================================================================
+*/
+RC_RETURN
+RCResetLANCard(U16 AdapterID, U16 ResourceFlags, PU32 ReturnAddr, PFNCALLBACK CallbackFunction)
+{
+ unsigned long off;
+ unsigned long *pMsg;
+ PPAB pPab;
+ int i;
+ long timeout = 0;
+
+
+ pPab =PCIAdapterBlock[AdapterID];
+
+ if (pPab == NULL)
+ return RC_RTN_ADPTR_NOT_REGISTERED;
+
+ off = pPab->p_atu->InQueue; /* get addresss of message */
+
+ if (0xFFFFFFFF == off)
+ return RC_RTN_FREE_Q_EMPTY;
+
+ pPab->pCallbackFunc = CallbackFunction;
+
+ pMsg = (PU32)(pPab->pPci45LinBaseAddr + off);
+
+ /* setup message */
+ pMsg[0] = FOUR_WORD_MSG_SIZE | SGL_OFFSET_0;
+ pMsg[1] = LAN_RESET << 24 | HOST_TID << 12 | LAN_TARGET_ID;
+ pMsg[2] = DEFAULT_RECV_INIT_CONTEXT;
+ pMsg[3] = ResourceFlags << 16; /* resource flags */
+
+ pPab->p_atu->InQueue = off; /* send it to the device */
+
+ if (CallbackFunction == (PFNCALLBACK)NULL)
+ {
+ /* call RCProcMsgQ() until something in pPab->pCallbackFunc
+ or until timer goes off */
+ while (pPab->pCallbackFunc == (PFNCALLBACK)NULL)
+ {
+ RCProcMsgQ(AdapterID);
+ for (i = 0; i < 100000; i++) /* please don't hog the bus!!! */
+ ;
+ timeout++;
+ if (timeout > 10000)
+ {
+ break;
+ }
+ }
+ if (ReturnAddr != (PU32)NULL)
+ *ReturnAddr = (U32)pPab->pCallbackFunc;
+ }
+
+ return RC_RTN_NO_ERROR ;
+}
+/*
+** =========================================================================
+** RCResetAdapter()
+**
+** Send StatusGet Msg, wait for results return directly to buffer.
+**
+** =========================================================================
+*/
+RC_RETURN
+RCResetAdapter(U16 AdapterID)
+{
+ U32 msgOffset, timeout;
+ PU32 pMsg;
+ PPAB pPab;
+ volatile PU32 p32;
+
+ pPab = PCIAdapterBlock[AdapterID];
+ msgOffset = pPab->p_atu->InQueue;
+
+ if (msgOffset == 0xFFFFFFFF)
+ {
+ return RC_RTN_FREE_Q_EMPTY;
+ }
+
+ /* calc virtual address of msg - virtual already mapped to physical */
+ pMsg = (PU32)(pPab->pPci45LinBaseAddr + msgOffset);
+
+ pMsg[0] = NINE_WORD_MSG_SIZE | SGL_OFFSET_0;
+ pMsg[1] = RC_CMD_ADAPTER_RESET << 24 | HOST_TID << 12 | ADAPTER_TID;
+ pMsg[2] = 0; /* universal context */
+ pMsg[3] = 0; /* universal context */
+ pMsg[4] = 0; /* universal context */
+ pMsg[5] = 0; /* universal context */
+ /* phys address to return status - area right after PAB */
+ pMsg[6] = pPab->outMsgBlockPhyAddr - ADAPTER_BLOCK_RESERVED_SPACE + sizeof(PAB);
+ pMsg[7] = 0;
+ pMsg[8] = 1; /* return 1 byte */
+
+ /* virual pointer to return buffer - clear first two dwords */
+ p32 = (volatile PU32)(pPab->pLinOutMsgBlock - ADAPTER_BLOCK_RESERVED_SPACE + sizeof(PAB));
+ p32[0] = 0;
+ p32[1] = 0;
+
+ /* post to Inbound Post Q */
+
+ pPab->p_atu->InQueue = msgOffset;
+
+ /* wait for response */
+ timeout = 1000000;
+ while(1)
+ {
+ int i;
+
+ for (i = 0; i < 1000; i++) /* please don't hog the bus!!! */
+ ;
+
+ if (p32[0] || p32[1])
+ break;
+
+ if (!timeout--)
+ {
+ printk("RCResetAdapter timeout\n");
+ return RC_RTN_MSG_REPLY_TIMEOUT;
+ }
+ }
+ return RC_RTN_NO_ERROR;
+}
+
+/*
+** =========================================================================
+** RCShutdownLANCard()
+**
+** ResourceFlags indicates whether to return buffer resource explicitly
+** to host or keep and reuse.
+** CallbackFunction (if not NULL) is the function to be called when
+** shutdown is complete.
+** If CallbackFunction is NULL, ReturnAddr will have a 1 placed in it when
+** shutdown is done (if not NULL).
+**
+** =========================================================================
+*/
+RC_RETURN
+RCShutdownLANCard(U16 AdapterID, U16 ResourceFlags, PU32 ReturnAddr, PFNCALLBACK CallbackFunction)
+{
+ volatile PU32 pMsg;
+ U32 off;
+ PPAB pPab;
+ int i;
+ long timeout = 0;
+
+ pPab = PCIAdapterBlock[AdapterID];
+
+ if (pPab == NULL)
+ return RC_RTN_ADPTR_NOT_REGISTERED;
+
+ off = pPab->p_atu->InQueue; /* get addresss of message */
+
+ if (0xFFFFFFFF == off)
+ return RC_RTN_FREE_Q_EMPTY;
+
+ pPab->pCallbackFunc = CallbackFunction;
+
+ pMsg = (PU32)(pPab->pPci45LinBaseAddr + off);
+
+ /* setup message */
+ pMsg[0] = FOUR_WORD_MSG_SIZE | SGL_OFFSET_0;
+ pMsg[1] = LAN_SHUTDOWN << 24 | HOST_TID << 12 | LAN_TARGET_ID;
+ pMsg[2] = DEFAULT_RECV_INIT_CONTEXT;
+ pMsg[3] = ResourceFlags << 16; /* resource flags */
+
+ pPab->p_atu->InQueue = off; /* send it to the device */
+
+ if (CallbackFunction == (PFNCALLBACK)NULL)
+ {
+ /* call RCProcMsgQ() until something in pPab->pCallbackFunc
+ or until timer goes off */
+ while (pPab->pCallbackFunc == (PFNCALLBACK)NULL)
+ {
+ RCProcMsgQ(AdapterID);
+ for (i = 0; i < 100000; i++) /* please don't hog the bus!!! */
+ ;
+ timeout++;
+ if (timeout > 10000)
+ {
+ break;
+ }
+ }
+ if (ReturnAddr != (PU32)NULL)
+ *ReturnAddr = (U32)pPab->pCallbackFunc;
+ }
+ return RC_RTN_NO_ERROR ;
+}
+
+
+/*
+** =========================================================================
+** RCSetRavlinIPandMask()
+**
+** Set the Ravlin 45/PCI cards IP address and network mask.
+**
+** IP address and mask must be in network byte order.
+** For example, IP address 1.2.3.4 and mask 255.255.255.0 would be
+** 0x04030201 and 0x00FFFFFF on a little endian machine.
+**
+** =========================================================================
+*/
+RC_RETURN
+RCSetRavlinIPandMask(U16 AdapterID, U32 ipAddr, U32 netMask)
+{
+ volatile PU32 pMsg;
+ U32 off;
+ PPAB pPab;
+
+ pPab = PCIAdapterBlock[AdapterID];
+
+ if (pPab == NULL)
+ return RC_RTN_ADPTR_NOT_REGISTERED;
+
+ off = pPab->p_atu->InQueue; /* get addresss of message */
+
+ if (0xFFFFFFFF == off)
+ return RC_RTN_FREE_Q_EMPTY;
+
+ pMsg = (PU32)(pPab->pPci45LinBaseAddr + off);
+
+ /* setup private message */
+ pMsg[0] = SEVEN_WORD_MSG_SIZE | SGL_OFFSET_0;
+ pMsg[1] = RC_PRIVATE << 24 | HOST_TID << 12 | LAN_TARGET_ID;
+ pMsg[2] = 0; /* initiator context */
+ pMsg[3] = 0x219; /* transaction context */
+ pMsg[4] = RC_PCI45_VENDOR_ID << 16 | RC_PRIVATE_SET_IP_AND_MASK;
+ pMsg[5] = ipAddr;
+ pMsg[6] = netMask;
+
+
+ pPab->p_atu->InQueue = off; /* send it to the device */
+ return RC_RTN_NO_ERROR ;
+
+}
+
+/*
+** =========================================================================
+** RCGetRavlinIPandMask()
+**
+** get the IP address and MASK from the card
+**
+** =========================================================================
+*/
+RC_RETURN
+RCGetRavlinIPandMask(U16 AdapterID, PU32 pIpAddr, PU32 pNetMask,
+ PFNWAITCALLBACK WaitCallback)
+{
+ unsigned i, timeout;
+ U32 off;
+ PU32 pMsg, p32;
+ PPAB pPab;
+ PATU p_atu;
+
+#ifdef DEBUG
+ kprintf("RCGetRavlinIPandMask: pIpAddr is 0x%08.8ulx, *IpAddr is 0x%08.8ulx\n", pIpAddr, *pIpAddr);
+#endif /* DEBUG */
+
+ pPab = PCIAdapterBlock[AdapterID];
+
+ if (pPab == NULL)
+ return RC_RTN_ADPTR_NOT_REGISTERED;
+
+ p_atu = pPab->p_atu;
+ off = p_atu->InQueue; /* get addresss of message */
+
+ if (0xFFFFFFFF == off)
+ return RC_RTN_FREE_Q_EMPTY;
+
+ p32 = (volatile PU32)(pPab->pLinOutMsgBlock - ADAPTER_BLOCK_RESERVED_SPACE + sizeof(PAB));
+ *p32 = 0xFFFFFFFF;
+
+ pMsg = (PU32)(pPab->pPci45LinBaseAddr + off);
+
+#ifdef DEBUG
+ kprintf("RCGetRavlinIPandMask: p_atu 0x%08.8ulx, off 0x%08.8ulx, p32 0x%08.8ulx\n", p_atu, off, p32);
+#endif /* DEBUG */
+ /* setup private message */
+ pMsg[0] = FIVE_WORD_MSG_SIZE | SGL_OFFSET_0;
+ pMsg[1] = RC_PRIVATE << 24 | HOST_TID << 12 | LAN_TARGET_ID;
+ pMsg[2] = 0; /* initiator context */
+ pMsg[3] = 0x218; /* transaction context */
+ pMsg[4] = RC_PCI45_VENDOR_ID << 16 | RC_PRIVATE_GET_IP_AND_MASK;
+ pMsg[5] = pPab->outMsgBlockPhyAddr - ADAPTER_BLOCK_RESERVED_SPACE + sizeof(PAB);
+
+ p_atu->InQueue = off; /* send it to the device */
+#ifdef DEBUG
+ kprintf("RCGetRavlinIPandMask: p_atu 0x%08.8ulx, off 0x%08.8ulx, p32 0x%08.8ulx\n", p_atu, off, p32);
+#endif /* DEBUG */
+
+ /* wait for the rcpci45 board to update the info */
+ timeout = 100000;
+ while (0xffffffff == *p32)
+ {
+ if (WaitCallback)
+ (*WaitCallback)();
+
+ for (i = 0; i < 1000; i++)
+ ;
+
+ if (!timeout--)
+ {
+ #ifdef DEBUG
+ kprintf("RCGetRavlinIPandMask: Timeout\n");
+ #endif /* DEBUG */
+ return RC_RTN_MSG_REPLY_TIMEOUT;
+ }
+ }
+
+#ifdef DEBUG
+ kprintf("RCGetRavlinIPandMask: after time out\n", \
+ "p32[0] (IpAddr) 0x%08.8ulx, p32[1] (IPmask) 0x%08.8ulx\n", p32[0], p32[1]);
+#endif /* DEBUG */
+
+ /* send IP and mask to user's space */
+ *pIpAddr = p32[0];
+ *pNetMask = p32[1];
+
+
+#ifdef DEBUG
+ kprintf("RCGetRavlinIPandMask: pIpAddr is 0x%08.8ulx, *IpAddr is 0x%08.8ulx\n", pIpAddr, *pIpAddr);
+#endif /* DEBUG */
+
+ return RC_RTN_NO_ERROR;
+}
+
+/*
+** /////////////////////////////////////////////////////////////////////////
+** /////////////////////////////////////////////////////////////////////////
+**
+** local functions
+**
+** /////////////////////////////////////////////////////////////////////////
+** /////////////////////////////////////////////////////////////////////////
+*/
+
+/*
+** =========================================================================
+** SendAdapterOutboundQInitMsg()
+**
+** =========================================================================
+*/
+static int
+SendAdapterOutboundQInitMsg(PPAB pPab)
+{
+ U32 msgOffset, timeout, phyOutQFrames, i;
+ volatile PU32 pMsg;
+ volatile PU32 p32;
+
+
+
+ msgOffset = pPab->p_atu->InQueue;
+
+
+ if (msgOffset == 0xFFFFFFFF)
+ {
+#ifdef DEBUG
+ kprintf("SendAdapterOutboundQInitMsg(): Inbound Free Q empty!\n");
+#endif /* DEBUG */
+ return RC_RTN_FREE_Q_EMPTY;
+ }
+
+
+ /* calc virual address of msg - virual already mapped to physical */
+ pMsg = (PU32)(pPab->pPci45LinBaseAddr + msgOffset);
+
+#ifdef DEBUG
+kprintf("SendAdapterOutboundQInitMsg - pMsg = 0x%08.8ulx, InQ msgOffset = 0x%08.8ulx\n", pMsg, msgOffset);
+#endif /* DEBUG */
+
+ pMsg[0] = EIGHT_WORD_MSG_SIZE | TRL_OFFSET_6;
+ pMsg[1] = RC_CMD_OUTBOUND_INIT << 24 | HOST_TID << 12 | ADAPTER_TID;
+ pMsg[2] = DEFAULT_RECV_INIT_CONTEXT;
+ pMsg[3] = 0x106; /* transaction context */
+ pMsg[4] = 4096; /* Host page frame size */
+ pMsg[5] = MSG_FRAME_SIZE << 16 | 0x80; /* outbound msg frame size and Initcode */
+ pMsg[6] = 0xD0000004; /* simple sgl element LE, EOB */
+ /* phys address to return status - area right after PAB */
+ pMsg[7] = pPab->outMsgBlockPhyAddr - ADAPTER_BLOCK_RESERVED_SPACE + sizeof(PAB);
+
+ /* virual pointer to return buffer - clear first two dwords */
+ p32 = (PU32)(pPab->pLinOutMsgBlock - ADAPTER_BLOCK_RESERVED_SPACE + sizeof(PAB));
+ p32[0] = 0;
+
+ /* post to Inbound Post Q */
+ pPab->p_atu->InQueue = msgOffset;
+
+ /* wait for response */
+ timeout = 100000;
+ while(1)
+ {
+ for (i = 0; i < 1000; i++) /* please don't hog the bus!!! */
+ ;
+
+ if (p32[0])
+ break;
+
+ if (!timeout--)
+ {
+#ifdef DEBUG
+ kprintf("Timeout wait for InitOutQ InPrgress status from adapter\n");
+#endif /* DEBUG */
+ return RC_RTN_NO_STATUS;
+ }
+ }
+
+ timeout = 100000;
+ while(1)
+ {
+ for (i = 0; i < 1000; i++) /* please don't hog the bus!!! */
+ ;
+
+ if (p32[0] == RC_CMD_OUTBOUND_INIT_COMPLETE)
+ break;
+
+ if (!timeout--)
+ {
+#ifdef DEBUG
+ kprintf("Timeout wait for InitOutQ Complete status from adapter\n");
+#endif /* DEBUG */
+ return RC_RTN_NO_STATUS;
+ }
+ }
+
+ /* load PCI outbound free Q with MF physical addresses */
+ phyOutQFrames = pPab->outMsgBlockPhyAddr;
+
+ for (i = 0; i < NMBR_MSG_FRAMES; i++)
+ {
+ pPab->p_atu->OutQueue = phyOutQFrames;
+ phyOutQFrames += MSG_FRAME_SIZE;
+ }
+ return RC_RTN_NO_ERROR;
+}
+
+
+/*
+** =========================================================================
+** GetAdapterStatus()
+**
+** Send StatusGet Msg, wait for results return directly to buffer.
+**
+** =========================================================================
+*/
+static int
+GetAdapterStatus(PPAB pPab)
+{
+ U32 msgOffset, timeout;
+ PU32 pMsg;
+ volatile PU32 p32;
+
+
+ msgOffset = pPab->p_atu->InQueue;
+ printk("GetAdapterStatus: msg offset = 0x%x\n", msgOffset);
+ if (msgOffset == 0xFFFFFFFF)
+ {
+#ifdef DEBUG
+ kprintf("GetAdapterStatus(): Inbound Free Q empty!\n");
+#endif /* DEBUG */
+ return RC_RTN_FREE_Q_EMPTY;
+ }
+
+ /* calc virual address of msg - virual already mapped to physical */
+ pMsg = (PU32)(pPab->pPci45LinBaseAddr + msgOffset);
+
+ pMsg[0] = NINE_WORD_MSG_SIZE | SGL_OFFSET_0;
+ pMsg[1] = RC_CMD_STATUS_GET << 24 | HOST_TID << 12 | ADAPTER_TID;
+ pMsg[2] = 0; /* universal context */
+ pMsg[3] = 0; /* universal context */
+ pMsg[4] = 0; /* universal context */
+ pMsg[5] = 0; /* universal context */
+ /* phys address to return status - area right after PAB */
+ pMsg[6] = pPab->outMsgBlockPhyAddr - ADAPTER_BLOCK_RESERVED_SPACE + sizeof(PAB);
+ pMsg[7] = 0;
+ pMsg[8] = 88; /* return 88 bytes */
+
+ /* virual pointer to return buffer - clear first two dwords */
+ p32 = (volatile PU32)(pPab->pLinOutMsgBlock - ADAPTER_BLOCK_RESERVED_SPACE + sizeof(PAB));
+ p32[0] = 0;
+ p32[1] = 0;
+
+#ifdef DEBUG
+kprintf("GetAdapterStatus - pMsg:0x%08.8ulx, msgOffset:0x%08.8ulx, [1]:0x%08.8ulx, [6]:0x%08.8ulx\n",
+ pMsg, msgOffset, pMsg[1], pMsg[6]);
+#endif /* DEBUG */
+
+ /* post to Inbound Post Q */
+ pPab->p_atu->InQueue = msgOffset;
+
+#ifdef DEBUG
+kprintf("Return status to p32 = 0x%08.8ulx\n", p32);
+#endif /* DEBUG */
+
+ /* wait for response */
+ timeout = 1000000;
+ while(1)
+ {
+ int i;
+
+ for (i = 0; i < 1000; i++) /* please don't hog the bus!!! */
+ ;
+
+ if (p32[0] && p32[1])
+ break;
+
+ if (!timeout--)
+ {
+#ifdef DEBUG
+ kprintf("Timeout waiting for status from adapter\n");
+kprintf("0x%08.8ulx:0x%08.8ulx:0x%08.8ulx:0x%08.8ulx\n", p32[0], p32[1], p32[2], p32[3]);
+kprintf("0x%08.8ulx:0x%08.8ulx:0x%08.8ulx:0x%08.8ulx\n", p32[4], p32[5], p32[6], p32[7]);
+kprintf("0x%08.8ulx:0x%08.8ulx:0x%08.8ulx:0x%08.8ulx\n", p32[8], p32[9], p32[10], p32[11]);
+#endif /* DEBUG */
+ return RC_RTN_NO_STATUS;
+ }
+ }
+
+#ifdef DEBUG
+kprintf("0x%08.8ulx:0x%08.8ulx:0x%08.8ulx:0x%08.8ulx\n", p32[0], p32[1], p32[2], p32[3]);
+kprintf("0x%08.8ulx:0x%08.8ulx:0x%08.8ulx:0x%08.8ulx\n", p32[4], p32[5], p32[6], p32[7]);
+kprintf("0x%08.8ulx:0x%08.8ulx:0x%08.8ulx:0x%08.8ulx\n", p32[8], p32[9], p32[10], p32[11]);
+#endif /* DEBUG */
+ /* get adapter state */
+ pPab->ADAPTERState = ((volatile PU8)p32)[10];
+ pPab->InboundMFrameSize = ((volatile PU16)p32)[6];
+
+#ifdef DEBUG
+ kprintf("adapter state 0x%02.2x InFrameSize = 0x%04.4x\n",
+ pPab->ADAPTERState, pPab->InboundMFrameSize);
+#endif /* DEBUG */
+ return RC_RTN_NO_ERROR;
+}
+
+
+/*
+** =========================================================================
+** SendEnableSysMsg()
+**
+**
+** =========================================================================
+*/
+static int
+SendEnableSysMsg(PPAB pPab)
+{
+ U32 msgOffset; // timeout;
+ volatile PU32 pMsg;
+
+ msgOffset = pPab->p_atu->InQueue;
+
+ if (msgOffset == 0xFFFFFFFF)
+ {
+#ifdef DEBUG
+ kprintf("SendEnableSysMsg(): Inbound Free Q empty!\n");
+#endif /* DEBUG */
+ return RC_RTN_FREE_Q_EMPTY;
+ }
+
+ /* calc virual address of msg - virual already mapped to physical */
+ pMsg = (PU32)(pPab->pPci45LinBaseAddr + msgOffset);
+
+#ifdef DEBUG
+kprintf("SendEnableSysMsg - pMsg = 0x%08.8ulx, InQ msgOffset = 0x%08.8ulx\n", pMsg, msgOffset);
+#endif /* DEBUG */
+
+ pMsg[0] = FOUR_WORD_MSG_SIZE | SGL_OFFSET_0;
+ pMsg[1] = RC_CMD_SYS_ENABLE << 24 | HOST_TID << 12 | ADAPTER_TID;
+ pMsg[2] = DEFAULT_RECV_INIT_CONTEXT;
+ pMsg[3] = 0x110; /* transaction context */
+ pMsg[4] = 0x50657465; /* RedCreek Private */
+
+ /* post to Inbound Post Q */
+ pPab->p_atu->InQueue = msgOffset;
+
+ return RC_RTN_NO_ERROR;
+}
+
+
+/*
+** =========================================================================
+** FillI12OMsgFromTCB()
+**
+** inputs pMsgU32 - virual pointer (mapped to physical) of message frame
+** pXmitCntrlBlock - pointer to caller buffer control block.
+**
+** fills in LAN SGL after Transaction Control Word or Bucket Count.
+** =========================================================================
+*/
+static int
+FillAdapterMsgSGLFromTCB(PU32 pMsgFrame, PRCTCB pTransCtrlBlock)
+{
+ unsigned int nmbrBuffers, nmbrSeg, nmbrDwords, context, flags;
+ PU32 pTCB, pMsg;
+
+ /* SGL element flags */
+#define EOB 0x40000000
+#define LE 0x80000000
+#define SIMPLE_SGL 0x10000000
+#define BC_PRESENT 0x01000000
+
+ pTCB = (PU32)pTransCtrlBlock;
+ pMsg = pMsgFrame;
+ nmbrDwords = 0;
+
+#ifdef DEBUG
+ kprintf("FillAdapterMsgSGLFromTCBX\n");
+kprintf("TCB 0x%08.8ulx:0x%08.8ulx:0x%08.8ulx:0x%08.8ulx:0x%08.8ulx\n",
+ pTCB[0], pTCB[1], pTCB[2], pTCB[3], pTCB[4]);
+kprintf("pTCB 0x%08.8ulx, pMsg 0x%08.8ulx\n", pTCB, pMsg);
+#endif /* DEBUG */
+
+ nmbrBuffers = *pTCB++;
+
+ if (!nmbrBuffers)
+ {
+ return -1;
+ }
+
+ do
+ {
+ context = *pTCB++; /* buffer tag (context) */
+ nmbrSeg = *pTCB++; /* number of segments */
+
+ if (!nmbrSeg)
+ {
+ return -1;
+ }
+
+ flags = SIMPLE_SGL | BC_PRESENT;
+
+ if (1 == nmbrSeg)
+ {
+ flags |= EOB;
+
+ if (1 == nmbrBuffers)
+ flags |= LE;
+ }
+
+ /* 1st SGL buffer element has context */
+ pMsg[0] = pTCB[0] | flags ; /* send over count (segment size) */
+ pMsg[1] = context;
+ pMsg[2] = pTCB[1]; /* send buffer segment physical address */
+ nmbrDwords += 3;
+ pMsg += 3;
+ pTCB += 2;
+
+
+ if (--nmbrSeg)
+ {
+ do
+ {
+ flags = SIMPLE_SGL;
+
+ if (1 == nmbrSeg)
+ {
+ flags |= EOB;
+
+ if (1 == nmbrBuffers)
+ flags |= LE;
+ }
+
+ pMsg[0] = pTCB[0] | flags; /* send over count */
+ pMsg[1] = pTCB[1]; /* send buffer segment physical address */
+ nmbrDwords += 2;
+ pTCB += 2;
+ pMsg += 2;
+
+ } while (--nmbrSeg);
+ }
+
+ } while (--nmbrBuffers);
+
+ return nmbrDwords;
+}
+
+
+/*
+** =========================================================================
+** ProcessOutboundAdapterMsg()
+**
+** process reply message
+** * change to msg structure *
+** =========================================================================
+*/
+static void
+ProcessOutboundAdapterMsg(PPAB pPab, U32 phyAddrMsg)
+{
+ PU8 p8Msg;
+ PU32 p32;
+ // U16 count;
+
+
+ p8Msg = pPab->pLinOutMsgBlock + (phyAddrMsg - pPab->outMsgBlockPhyAddr);
+ p32 = (PU32)p8Msg;
+
+#ifdef DEBUG
+ kprintf("VXD: ProcessOutboundAdapterMsg - pPab 0x%08.8ulx, phyAdr 0x%08.8ulx, linAdr 0x%08.8ulx\n", pPab, phyAddrMsg, p8Msg);
+ kprintf("msg :0x%08.8ulx:0x%08.8ulx:0x%08.8ulx:0x%08.8ulx\n", p32[0], p32[1], p32[2], p32[3]);
+ kprintf("msg :0x%08.8ulx:0x%08.8ulx:0x%08.8ulx:0x%08.8ulx\n", p32[4], p32[5], p32[6], p32[7]);
+#endif /* DEBUG */
+
+ if (p32[4] >> 24 != RC_REPLY_STATUS_SUCCESS)
+ {
+#ifdef DEBUG
+ kprintf("Message reply status not success\n");
+#endif /* DEBUG */
+ return;
+ }
+
+ switch (p8Msg[7] ) /* function code byte */
+ {
+ case RC_CMD_SYS_TAB_SET:
+ msgFlag = 1;
+#ifdef DEBUG
+ kprintf("Received RC_CMD_SYS_TAB_SET reply\n");
+#endif /* DEBUG */
+ break;
+
+ case RC_CMD_HRT_GET:
+ msgFlag = 1;
+#ifdef DEBUG
+ kprintf("Received RC_CMD_HRT_GET reply\n");
+#endif /* DEBUG */
+ break;
+
+ case RC_CMD_LCT_NOTIFY:
+ msgFlag = 1;
+#ifdef DEBUG
+ kprintf("Received RC_CMD_LCT_NOTIFY reply\n");
+#endif /* DEBUG */
+ break;
+
+ case RC_CMD_SYS_ENABLE:
+ msgFlag = 1;
+#ifdef DEBUG
+ kprintf("Received RC_CMD_SYS_ENABLE reply\n");
+#endif /* DEBUG */
+ break;
+
+ default:
+#ifdef DEBUG
+ kprintf("Received UNKNOWN reply\n");
+#endif /* DEBUG */
+ break;
+ }
+}
FUNET's LINUX-ADM group, linux-adm@nic.funet.fi
TCL-scripts by Sam Shen, slshen@lbl.gov