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2222 2223 2224 2225 2226 2227 2228 2229 2230 2231 2232 2233 2234 2235 2236 2237 2238 2239 2240 2241 2242 2243 2244 2245 2246 2247 2248 2249 2250 2251 2252 2253 2254 2255 2256 2257 2258 2259 2260 2261 2262 2263 2264 2265 2266 2267 2268 2269 2270 2271 2272 2273 2274 2275 2276 2277 2278 2279 2280 2281 2282 2283 2284 2285 2286 2287 2288 2289 2290 2291 2292 2293 2294 2295 2296 2297 2298 2299 2300 2301 2302 2303 2304 2305 2306 2307 2308 2309 2310 2311 | /* ** ************************************************************************* ** ** ** R C L A N M T L . C $Revision: 6 $ ** ** ** RedCreek I2O LAN Message Transport Layer program module. ** ** --------------------------------------------------------------------- ** --- Copyright (c) 1997-1999, RedCreek Communications Inc. --- ** --- All rights reserved. --- ** --------------------------------------------------------------------- ** ** File Description: ** ** Host side I2O (Intelligent I/O) LAN 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. ** ** 1998-1999, LAN API was modified and enhanced by Alice Hennessy. ** ** Sometime in 1997, LAN API was written from scratch by Wendell Nichols. ** ************************************************************************* */ #undef DEBUG #define RC_LINUX_MODULE #include "rclanmtl.h" #define dprintf kprintf extern int printk(const char * fmt, ...); /* RedCreek LAN device Target ID */ #define RC_LAN_TARGET_ID 0x10 /* RedCreek's OSM default LAN receive Initiator */ #define DEFAULT_RECV_INIT_CONTEXT 0xA17 /* ** I2O message structures */ #define I2O_TID_SZ 12 #define I2O_FUNCTION_SZ 8 /* Transaction Reply Lists (TRL) Control Word structure */ #define I2O_TRL_FLAGS_SINGLE_FIXED_LENGTH 0x00 #define I2O_TRL_FLAGS_SINGLE_VARIABLE_LENGTH 0x40 #define I2O_TRL_FLAGS_MULTIPLE_FIXED_LENGTH 0x80 /* LAN Class specific functions */ #define I2O_LAN_PACKET_SEND 0x3B #define I2O_LAN_SDU_SEND 0x3D #define I2O_LAN_RECEIVE_POST 0x3E #define I2O_LAN_RESET 0x35 #define I2O_LAN_SHUTDOWN 0x37 /* Private Class specfic function */ #define I2O_PRIVATE 0xFF /* I2O Executive Function Codes. */ #define I2O_EXEC_ADAPTER_ASSIGN 0xB3 #define I2O_EXEC_ADAPTER_READ 0xB2 #define I2O_EXEC_ADAPTER_RELEASE 0xB5 #define I2O_EXEC_BIOS_INFO_SET 0xA5 #define I2O_EXEC_BOOT_DEVICE_SET 0xA7 #define I2O_EXEC_CONFIG_VALIDATE 0xBB #define I2O_EXEC_CONN_SETUP 0xCA #define I2O_EXEC_DEVICE_ASSIGN 0xB7 #define I2O_EXEC_DEVICE_RELEASE 0xB9 #define I2O_EXEC_HRT_GET 0xA8 #define I2O_EXEC_IOP_CLEAR 0xBE #define I2O_EXEC_IOP_CONNECT 0xC9 #define I2O_EXEC_IOP_RESET 0xBD #define I2O_EXEC_LCT_NOTIFY 0xA2 #define I2O_EXEC_OUTBOUND_INIT 0xA1 #define I2O_EXEC_PATH_ENABLE 0xD3 #define I2O_EXEC_PATH_QUIESCE 0xC5 #define I2O_EXEC_PATH_RESET 0xD7 #define I2O_EXEC_STATIC_MF_CREATE 0xDD #define I2O_EXEC_STATIC_MF_RELEASE 0xDF #define I2O_EXEC_STATUS_GET 0xA0 #define I2O_EXEC_SW_DOWNLOAD 0xA9 #define I2O_EXEC_SW_UPLOAD 0xAB #define I2O_EXEC_SW_REMOVE 0xAD #define I2O_EXEC_SYS_ENABLE 0xD1 #define I2O_EXEC_SYS_MODIFY 0xC1 #define I2O_EXEC_SYS_QUIESCE 0xC3 #define I2O_EXEC_SYS_TAB_SET 0xA3 /* Init Outbound Q status */ #define I2O_EXEC_OUTBOUND_INIT_IN_PROGRESS 0x01 #define I2O_EXEC_OUTBOUND_INIT_REJECTED 0x02 #define I2O_EXEC_OUTBOUND_INIT_FAILED 0x03 #define I2O_EXEC_OUTBOUND_INIT_COMPLETE 0x04 #define I2O_UTIL_NOP 0x00 /* I2O Get Status State values */ #define I2O_IOP_STATE_INITIALIZING 0x01 #define I2O_IOP_STATE_RESET 0x02 #define I2O_IOP_STATE_HOLD 0x04 #define I2O_IOP_STATE_READY 0x05 #define I2O_IOP_STATE_OPERATIONAL 0x08 #define I2O_IOP_STATE_FAILED 0x10 #define I2O_IOP_STATE_FAULTED 0x11 /* Defines for Request Status Codes: Table 3-1 Reply Status Codes. */ #define I2O_REPLY_STATUS_SUCCESS 0x00 #define I2O_REPLY_STATUS_ABORT_DIRTY 0x01 #define I2O_REPLY_STATUS_ABORT_NO_DATA_TRANSFER 0x02 #define I2O_REPLY_STATUS_ABORT_PARTIAL_TRANSFER 0x03 #define I2O_REPLY_STATUS_ERROR_DIRTY 0x04 #define I2O_REPLY_STATUS_ERROR_NO_DATA_TRANSFER 0x05 #define I2O_REPLY_STATUS_ERROR_PARTIAL_TRANSFER 0x06 #define I2O_REPLY_STATUS_PROCESS_ABORT_DIRTY 0x07 #define I2O_REPLY_STATUS_PROCESS_ABORT_NO_DATA_TRANSFER 0x08 #define I2O_REPLY_STATUS_PROCESS_ABORT_PARTIAL_TRANSFER 0x09 #define I2O_REPLY_STATUS_TRANSACTION_ERROR 0x0A #define I2O_REPLY_STATUS_PROGRESS_REPORT 0x80 /* DetailedStatusCode defines for ALL messages: Table 3-2 Detailed Status Codes.*/ #define I2O_DETAIL_STATUS_SUCCESS 0x0000 #define I2O_DETAIL_STATUS_BAD_KEY 0x0001 #define I2O_DETAIL_STATUS_CHAIN_BUFFER_TOO_LARGE 0x0002 #define I2O_DETAIL_STATUS_DEVICE_BUSY 0x0003 #define I2O_DETAIL_STATUS_DEVICE_LOCKED 0x0004 #define I2O_DETAIL_STATUS_DEVICE_NOT_AVAILABLE 0x0005 #define I2O_DETAIL_STATUS_DEVICE_RESET 0x0006 #define I2O_DETAIL_STATUS_INAPPROPRIATE_FUNCTION 0x0007 #define I2O_DETAIL_STATUS_INSUFFICIENT_RESOURCE_HARD 0x0008 #define I2O_DETAIL_STATUS_INSUFFICIENT_RESOURCE_SOFT 0x0009 #define I2O_DETAIL_STATUS_INVALID_INITIATOR_ADDRESS 0x000A #define I2O_DETAIL_STATUS_INVALID_MESSAGE_FLAGS 0x000B #define I2O_DETAIL_STATUS_INVALID_OFFSET 0x000C #define I2O_DETAIL_STATUS_INVALID_PARAMETER 0x000D #define I2O_DETAIL_STATUS_INVALID_REQUEST 0x000E #define I2O_DETAIL_STATUS_INVALID_TARGET_ADDRESS 0x000F #define I2O_DETAIL_STATUS_MESSAGE_TOO_LARGE 0x0010 #define I2O_DETAIL_STATUS_MESSAGE_TOO_SMALL 0x0011 #define I2O_DETAIL_STATUS_MISSING_PARAMETER 0x0012 #define I2O_DETAIL_STATUS_NO_SUCH_PAGE 0x0013 #define I2O_DETAIL_STATUS_REPLY_BUFFER_FULL 0x0014 #define I2O_DETAIL_STATUS_TCL_ERROR 0x0015 #define I2O_DETAIL_STATUS_TIMEOUT 0x0016 #define I2O_DETAIL_STATUS_UNKNOWN_ERROR 0x0017 #define I2O_DETAIL_STATUS_UNKNOWN_FUNCTION 0x0018 #define I2O_DETAIL_STATUS_UNSUPPORTED_FUNCTION 0x0019 #define I2O_DETAIL_STATUS_UNSUPPORTED_VERSION 0x001A /* I2O msg header defines for VersionOffset */ #define I2OMSGVER_1_5 0x0001 #define SGL_OFFSET_0 I2OMSGVER_1_5 #define SGL_OFFSET_4 (0x0040 | I2OMSGVER_1_5) #define TRL_OFFSET_5 (0x0050 | I2OMSGVER_1_5) #define TRL_OFFSET_6 (0x0060 | I2OMSGVER_1_5) /* I2O 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 I2O_IOP_TID 0 #define I2O_HOST_TID 0xB91 /* RedCreek I2O private message codes */ #define RC_PRIVATE_GET_MAC_ADDR 0x0001/**/ /* OBSOLETE */ #define RC_PRIVATE_SET_MAC_ADDR 0x0002 #define RC_PRIVATE_GET_NIC_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_SET_PROMISCUOUS_MODE 0x000e #define RC_PRIVATE_GET_PROMISCUOUS_MODE 0x000f #define RC_PRIVATE_SET_BROADCAST_MODE 0x0010 #define RC_PRIVATE_GET_BROADCAST_MODE 0x0011 #define RC_PRIVATE_REBOOT 0x00FF /* I2O message header */ typedef struct _I2O_MESSAGE_FRAME { U8 VersionOffset; U8 MsgFlags; U16 MessageSize; BF TargetAddress:I2O_TID_SZ; BF InitiatorAddress:I2O_TID_SZ; BF Function:I2O_FUNCTION_SZ; U32 InitiatorContext; /* SGL[] */ } I2O_MESSAGE_FRAME, *PI2O_MESSAGE_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 IOPState; 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 ProcessOutboundI2OMsg(PPAB pPab, U32 phyMsgAddr); static int FillI2OMsgSGLFromTCB(PU32 pMsg, PRCTCB pXmitCntrlBlock); static int GetI2OStatus(PPAB pPab); static int SendI2OOutboundQInitMsg(PPAB pPab); static int SendEnableSysMsg(PPAB pPab); /* 1st 100h bytes of message block is reserved for messenger instance */ #define ADAPTER_BLOCK_RESERVED_SPACE 0x100 /* ** ========================================================================= ** RCInitI2OMsgLayer() ** ** Initialize the RedCreek I2O 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 RCInitI2OMsgLayer(U16 AdapterID, U32 pciBaseAddr, PU8 p_msgbuf, PU8 p_phymsgbuf, PFNTXCALLBACK TransmitCallbackFunction, PFNRXCALLBACK ReceiveCallbackFunction, PFNCALLBACK RebootCallbackFunction) { int result; PPAB pPab; #ifdef DEBUG kprintf("InitI2O: 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 I2O IOP */ result = GetI2OStatus(pPab); if (result != RC_RTN_NO_ERROR) return result; if (pPab->IOPState == I2O_IOP_STATE_OPERATIONAL) { printk("pPab->IOPState == op: resetting adapter\n"); RCResetLANCard(AdapterID, 0, (PU32)NULL, (PFNCALLBACK)NULL); } result = SendI2OOutboundQInitMsg(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 I2O interrupts. I2O 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 RCI2OSendPacket() functions. Disabling I2O interrupts ** will prevent hardware interrupt to host even though the outbound I2O msg ** queue is not emtpy. ** ========================================================================= */ #define i960_OUT_POST_Q_INT_BIT 0x0008 /* bit set masks interrupts */ RC_RETURN RCDisableI2OInterrupts(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 RCEnableI2OInterrupts(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; } /* ** ========================================================================= ** RCI2OSendPacket() ** ========================================================================= */ RC_RETURN RCI2OSendPacket(U16 AdapterID, U32 InitiatorContext, PRCTCB pTransCtrlBlock) { U32 msgOffset; PU32 pMsg; int size; PPAB pPab; #ifdef DEBUG kprintf("RCI2OSendPacket()...\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("RCI2OSendPacket(): 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 = FillI2OMsgSGLFromTCB(pMsg + 4, pTransCtrlBlock); if (size == -1) /* error processing TCB - send NOP msg */ { #ifdef DEBUG kprintf("RCI2OSendPacket(): Error Rrocess TCB!\n"); #endif /* DEBUG */ pMsg[0] = THREE_WORD_MSG_SIZE | SGL_OFFSET_0; pMsg[1] = I2O_UTIL_NOP << 24 | I2O_HOST_TID << 12 | RC_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] = I2O_LAN_PACKET_SEND << 24 | I2O_HOST_TID << 12 | RC_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; } } /* ** ========================================================================= ** RCI2OPostRecvBuffer() ** ** 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 = FillI2OMsgSGLFromTCB(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] = I2O_UTIL_NOP << 24 | I2O_HOST_TID << 12 | RC_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] = I2O_LAN_RECEIVE_POST << 24 | I2O_HOST_TID << 12 | RC_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; } } /* ** ========================================================================= ** RCProcI2OMsgQ() ** ** Process I2O outbound message queue until empty. ** ========================================================================= */ void RCProcI2OMsgQ(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 (I2O_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 (I2O_LAN_RECEIVE_POST == p8Msg[7]) { #ifdef DEBUG kprintf("I2O_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 (I2O_LAN_RESET == p8Msg[7] || I2O_LAN_SHUTDOWN == p8Msg[7]) { if (pPab->pCallbackFunc) { (*pPab->pCallbackFunc)(p8Msg[19],0,0,AdapterID); } else { pPab->pCallbackFunc = (PFNCALLBACK) 1; } //PCIAdapterBlock[AdapterID] = 0; } else if (I2O_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 I2O_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 I2O msg received: 0x%lx\n", p32[5]); break; } } /* ** Process other Msg's */ else { ProcessOutboundI2OMsg(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] = I2O_PRIVATE << 24 | I2O_HOST_TID << 12 | RC_LAN_TARGET_ID; pMsg[2] = DEFAULT_RECV_INIT_CONTEXT; pMsg[3] = 0x112; /* transaction context */ pMsg[4] = RC_PCI45_VENDOR_ID << 16 | RC_PRIVATE_GET_NIC_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] = I2O_PRIVATE << 24 | I2O_HOST_TID << 12 | RC_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] = I2O_PRIVATE << 24 | I2O_HOST_TID << 12 | RC_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 I2O 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] = I2O_PRIVATE << 24 | I2O_HOST_TID << 12 | RC_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 I2O 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] = I2O_PRIVATE << 24 | I2O_HOST_TID << 12 | RC_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 I2O device */ return RC_RTN_NO_ERROR ; } /* ** ========================================================================= ** RCSetPromiscuousMode() ** ** Defined values for Mode: ** 0 - turn off promiscuous mode ** 1 - turn on promiscuous mode ** ** ========================================================================= */ RC_RETURN RCSetPromiscuousMode(U16 AdapterID, U16 Mode) { 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] = I2O_PRIVATE << 24 | I2O_HOST_TID << 12 | RC_LAN_TARGET_ID; pMsg[2] = 0; /* initiator context */ pMsg[3] = 0x219; /* transaction context */ pMsg[4] = RC_PCI45_VENDOR_ID << 16 | RC_PRIVATE_SET_PROMISCUOUS_MODE; pMsg[5] = Mode; /* promiscuous mode setting */ pPab->p_atu->InQueue = off; /* send it to the device */ return RC_RTN_NO_ERROR ; } /* ** ========================================================================= ** RCGetPromiscuousMode() ** ** get promiscuous mode setting ** ** Possible return values placed in pMode: ** 0 = promisuous mode not set ** 1 = promisuous mode is set ** ** ========================================================================= */ RC_RETURN RCGetPromiscuousMode(U16 AdapterID, PU32 pMode, PFNWAITCALLBACK WaitCallback) { U32 msgOffset, timeout; PU32 pMsg; volatile PU32 p32; 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] = I2O_PRIVATE << 24 | I2O_HOST_TID << 12 | RC_LAN_TARGET_ID; pMsg[2] = 0; /* initiator context */ pMsg[3] = 0x219; /* transaction context */ pMsg[4] = RC_PCI45_VENDOR_ID << 16 | RC_PRIVATE_GET_PROMISCUOUS_MODE; /* 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 promiscuous mode from adapter\n"); kprintf("0x%8.8lx\n", p32[0]); return RC_RTN_NO_LINK_SPEED; } } /* get mode */ *pMode = (U8)((volatile PU8)p32)[0] & 0x0f; return RC_RTN_NO_ERROR; } /* ** ========================================================================= ** RCSetBroadcastMode() ** ** Defined values for Mode: ** 0 - turn off promiscuous mode ** 1 - turn on promiscuous mode ** ** ========================================================================= */ RC_RETURN RCSetBroadcastMode(U16 AdapterID, U16 Mode) { 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] = I2O_PRIVATE << 24 | I2O_HOST_TID << 12 | RC_LAN_TARGET_ID; pMsg[2] = 0; /* initiator context */ pMsg[3] = 0x219; /* transaction context */ pMsg[4] = RC_PCI45_VENDOR_ID << 16 | RC_PRIVATE_SET_BROADCAST_MODE; pMsg[5] = Mode; /* promiscuous mode setting */ pPab->p_atu->InQueue = off; /* send it to the device */ return RC_RTN_NO_ERROR ; } /* ** ========================================================================= ** RCGetBroadcastMode() ** ** get promiscuous mode setting ** ** Possible return values placed in pMode: ** 0 = promisuous mode not set ** 1 = promisuous mode is set ** ** ========================================================================= */ RC_RETURN RCGetBroadcastMode(U16 AdapterID, PU32 pMode, PFNWAITCALLBACK WaitCallback) { U32 msgOffset, timeout; PU32 pMsg; volatile PU32 p32; 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] = I2O_PRIVATE << 24 | I2O_HOST_TID << 12 | RC_LAN_TARGET_ID; pMsg[2] = 0; /* initiator context */ pMsg[3] = 0x219; /* transaction context */ pMsg[4] = RC_PCI45_VENDOR_ID << 16 | RC_PRIVATE_GET_BROADCAST_MODE; /* 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 promiscuous mode from adapter\n"); kprintf("0x%8.8lx\n", p32[0]); return RC_RTN_NO_LINK_SPEED; } } /* get mode */ *pMode = (U8)((volatile PU8)p32)[0] & 0x0f; 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 IOPLinkSpeed; 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] = I2O_PRIVATE << 24 | I2O_HOST_TID << 12 | RC_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 IOP\n"); kprintf("0x%8.8lx\n", p32[0]); return RC_RTN_NO_LINK_SPEED; } } /* get Link speed */ IOPLinkSpeed = (U8)((volatile PU8)p32)[0] & 0x0f; *pLinkSpeedCode= IOPLinkSpeed; 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] = I2O_PRIVATE << 24 | I2O_HOST_TID << 12 | RC_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 I2O 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] = I2O_PRIVATE << 24 | I2O_HOST_TID << 12 | RC_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 IOP\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] = I2O_LAN_RESET << 24 | I2O_HOST_TID << 12 | RC_LAN_TARGET_ID; pMsg[2] = DEFAULT_RECV_INIT_CONTEXT; pMsg[3] = ResourceFlags << 16; /* resource flags */ pPab->p_atu->InQueue = off; /* send it to the I2O device */ if (CallbackFunction == (PFNCALLBACK)NULL) { /* call RCProcI2OMsgQ() until something in pPab->pCallbackFunc or until timer goes off */ while (pPab->pCallbackFunc == (PFNCALLBACK)NULL) { RCProcI2OMsgQ(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 ; } /* ** ========================================================================= ** RCResetIOP() ** ** Send StatusGet Msg, wait for results return directly to buffer. ** ** ========================================================================= */ RC_RETURN RCResetIOP(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] = I2O_EXEC_IOP_RESET << 24 | I2O_HOST_TID << 12 | I2O_IOP_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("RCResetIOP 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] = I2O_LAN_SHUTDOWN << 24 | I2O_HOST_TID << 12 | RC_LAN_TARGET_ID; pMsg[2] = DEFAULT_RECV_INIT_CONTEXT; pMsg[3] = ResourceFlags << 16; /* resource flags */ pPab->p_atu->InQueue = off; /* send it to the I2O device */ if (CallbackFunction == (PFNCALLBACK)NULL) { /* call RCProcI2OMsgQ() until something in pPab->pCallbackFunc or until timer goes off */ while (pPab->pCallbackFunc == (PFNCALLBACK)NULL) { RCProcI2OMsgQ(AdapterID); for (i = 0; i < 100000; i++) /* please don't hog the bus!!! */ ; timeout++; if (timeout > 10000) { printk("RCShutdownLANCard(): timeout\n"); 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] = I2O_PRIVATE << 24 | I2O_HOST_TID << 12 | RC_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 I2O 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] = I2O_PRIVATE << 24 | I2O_HOST_TID << 12 | RC_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 I2O 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 ** ** ///////////////////////////////////////////////////////////////////////// ** ///////////////////////////////////////////////////////////////////////// */ /* ** ========================================================================= ** SendI2OOutboundQInitMsg() ** ** ========================================================================= */ static int SendI2OOutboundQInitMsg(PPAB pPab) { U32 msgOffset, timeout, phyOutQFrames, i; volatile PU32 pMsg; volatile PU32 p32; msgOffset = pPab->p_atu->InQueue; if (msgOffset == 0xFFFFFFFF) { #ifdef DEBUG kprintf("SendI2OOutboundQInitMsg(): 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("SendI2OOutboundQInitMsg - 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] = I2O_EXEC_OUTBOUND_INIT << 24 | I2O_HOST_TID << 12 | I2O_IOP_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 IOP\n"); #endif /* DEBUG */ return RC_RTN_NO_I2O_STATUS; } } timeout = 100000; while(1) { for (i = 0; i < 1000; i++) /* please don't hog the bus!!! */ ; if (p32[0] == I2O_EXEC_OUTBOUND_INIT_COMPLETE) break; if (!timeout--) { #ifdef DEBUG kprintf("Timeout wait for InitOutQ Complete status from IOP\n"); #endif /* DEBUG */ return RC_RTN_NO_I2O_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; } /* ** ========================================================================= ** GetI2OStatus() ** ** Send StatusGet Msg, wait for results return directly to buffer. ** ** ========================================================================= */ static int GetI2OStatus(PPAB pPab) { U32 msgOffset, timeout; PU32 pMsg; volatile PU32 p32; msgOffset = pPab->p_atu->InQueue; #ifdef DEBUG printk("GetI2OStatus: msg offset = 0x%x\n", msgOffset); #endif /* DEBUG */ if (msgOffset == 0xFFFFFFFF) { #ifdef DEBUG kprintf("GetI2OStatus(): 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] = I2O_EXEC_STATUS_GET << 24 | I2O_HOST_TID << 12 | I2O_IOP_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("GetI2OStatus - 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 IOP\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_I2O_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 IOP state */ pPab->IOPState = ((volatile PU8)p32)[10]; pPab->InboundMFrameSize = ((volatile PU16)p32)[6]; #ifdef DEBUG kprintf("IOP state 0x%02.2x InFrameSize = 0x%04.4x\n", pPab->IOPState, 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] = I2O_EXEC_SYS_ENABLE << 24 | I2O_HOST_TID << 12 | I2O_IOP_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; } /* ** ========================================================================= ** FillI2OMsgFromTCB() ** ** 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 FillI2OMsgSGLFromTCB(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("FillI2OMsgSGLFromTCBX\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; } /* ** ========================================================================= ** ProcessOutboundI2OMsg() ** ** process I2O reply message ** * change to msg structure * ** ========================================================================= */ static void ProcessOutboundI2OMsg(PPAB pPab, U32 phyAddrMsg) { PU8 p8Msg; PU32 p32; // U16 count; p8Msg = pPab->pLinOutMsgBlock + (phyAddrMsg - pPab->outMsgBlockPhyAddr); p32 = (PU32)p8Msg; #ifdef DEBUG kprintf("VXD: ProcessOutboundI2OMsg - 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 != I2O_REPLY_STATUS_SUCCESS) { #ifdef DEBUG kprintf("Message reply status not success\n"); #endif /* DEBUG */ return; } switch (p8Msg[7] ) /* function code byte */ { case I2O_EXEC_SYS_TAB_SET: msgFlag = 1; #ifdef DEBUG kprintf("Received I2O_EXEC_SYS_TAB_SET reply\n"); #endif /* DEBUG */ break; case I2O_EXEC_HRT_GET: msgFlag = 1; #ifdef DEBUG kprintf("Received I2O_EXEC_HRT_GET reply\n"); #endif /* DEBUG */ break; case I2O_EXEC_LCT_NOTIFY: msgFlag = 1; #ifdef DEBUG kprintf("Received I2O_EXEC_LCT_NOTIFY reply\n"); #endif /* DEBUG */ break; case I2O_EXEC_SYS_ENABLE: msgFlag = 1; #ifdef DEBUG kprintf("Received I2O_EXEC_SYS_ENABLE reply\n"); #endif /* DEBUG */ break; default: #ifdef DEBUG kprintf("Received UNKNOWN reply\n"); #endif /* DEBUG */ break; } } |