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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 | /************************************************************************/ /* File iSeries_vpdInfo.c created by Allan Trautman on Fri Feb 2 2001. */ /************************************************************************/ /* This code gets the card location of the hardware */ /* Copyright (C) 20yy <Allan H Trautman> <IBM Corp> */ /* */ /* 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., */ /* 59 Temple Place, Suite 330, */ /* Boston, MA 02111-1307 USA */ /************************************************************************/ /* Change Activity: */ /* Created, Feb 2, 2001 */ /* Ported to ppc64, August 20, 2001 */ /* End Change Activity */ /************************************************************************/ #include <linux/init.h> #include <linux/pci.h> #include <asm/types.h> #include <asm/resource.h> #include <asm/iSeries/HvCallPci.h> #include <asm/iSeries/HvTypes.h> #include <asm/iSeries/mf.h> #include <asm/iSeries/LparData.h> //#include <asm/iSeries/iSeries_VpdInfo.h> #include <asm/iSeries/iSeries_pci.h> #include "pci.h" /************************************************/ /* Size of Bus VPD data */ /************************************************/ #define BUS_VPDSIZE 1024 /************************************************/ /* Bus Vpd Tags */ /************************************************/ #define VpdEndOfDataTag 0x78 #define VpdEndOfAreaTag 0x79 #define VpdIdStringTag 0x82 #define VpdVendorAreaTag 0x84 /************************************************/ /* Mfg Area Tags */ /************************************************/ #define VpdFruFlag 0x4647 // "FG" #define VpdFruFrameId 0x4649 // "FI" #define VpdSlotMapFormat 0x4D46 // "MF" #define VpdAsmPartNumber 0x504E // "PN" #define VpdFruSerial 0x534E // "SN" #define VpdSlotMap 0x534D // "SM" /************************************************/ /* Structures of the areas */ /************************************************/ struct MfgVpdAreaStruct { u16 Tag; u8 TagLength; u8 AreaData1; u8 AreaData2; }; typedef struct MfgVpdAreaStruct MfgArea; #define MFG_ENTRY_SIZE 3 struct SlotMapStruct { u8 AgentId; u8 SecondaryAgentId; u8 PhbId; char CardLocation[3]; char Parms[8]; char Reserved[2]; }; typedef struct SlotMapStruct SlotMap; #define SLOT_ENTRY_SIZE 16 /**************************************************************** * * * Bus, Card, Board, FrameId, CardLocation. * ****************************************************************/ LocationData* iSeries_GetLocationData(struct pci_dev* PciDev) { struct iSeries_Device_Node* DevNode = (struct iSeries_Device_Node*)PciDev->sysdata; LocationData* LocationPtr = (LocationData*)kmalloc(LOCATION_DATA_SIZE, GFP_KERNEL); if (LocationPtr == NULL) { printk("PCI: LocationData area allocation failed!\n"); return NULL; } memset(LocationPtr,0,LOCATION_DATA_SIZE); LocationPtr->Bus = ISERIES_BUS(DevNode); LocationPtr->Board = DevNode->Board; LocationPtr->FrameId = DevNode->FrameId; LocationPtr->Card = PCI_SLOT(DevNode->DevFn); strcpy(&LocationPtr->CardLocation[0],&DevNode->CardLocation[0]); return LocationPtr; } /************************************************************************/ /* Formats the device information. */ /* - Pass in pci_dev* pointer to the device. */ /* - Pass in buffer to place the data. Danger here is the buffer must */ /* be as big as the client says it is. Should be at least 128 bytes.*/ /* Return will the length of the string data put in the buffer. */ /* Format: */ /* PCI: Bus 0, Device 26, Vendor 0x12AE Frame 1, Card C10 Ethernet */ /* controller */ /************************************************************************/ int iSeries_Device_Information(struct pci_dev* PciDev,char* Buffer, int BufferSize) { struct iSeries_Device_Node* DevNode = (struct iSeries_Device_Node*)PciDev->sysdata; char* BufPtr = Buffer; int LineLen = 0; if (DevNode == NULL) { LineLen = sprintf(BufPtr+LineLen, "PCI: iSeries_Device_Information DevNode is NULL"); return LineLen; } if (BufferSize >= 128) { LineLen = sprintf(BufPtr+LineLen,"PCI: Bus%3d, Device%3d, Vendor %04X ", ISERIES_BUS(DevNode), PCI_SLOT(PciDev->devfn),PciDev->vendor); LineLen += sprintf(BufPtr+LineLen,"Frame%3d, Card %4s ", DevNode->FrameId,DevNode->CardLocation); if (pci_class_name(PciDev->class >> 8) == 0) { LineLen += sprintf(BufPtr+LineLen,"0x%04X ",(int)(PciDev->class >> 8)); } else { LineLen += sprintf(BufPtr+LineLen,"%s",pci_class_name(PciDev->class >> 8) ); } } return LineLen; } /************************************************************************/ /* Build a character string of the device location, Frame 1, Card C10 */ /************************************************************************/ int device_Location(struct pci_dev* PciDev,char* BufPtr) { struct iSeries_Device_Node* DevNode = (struct iSeries_Device_Node*)PciDev->sysdata; return sprintf(BufPtr,"PCI: Bus%3d, AgentId%3d, Vendor %04X, Location %s", DevNode->DsaAddr.busNumber, DevNode->AgentId, DevNode->Vendor, DevNode->Location); } /*****************************************************************/ /* Parse the Slot Area */ /*****************************************************************/ void iSeries_Parse_SlotArea(SlotMap* MapPtr,int MapLen, struct iSeries_Device_Node* DevNode) { int SlotMapLen = MapLen; SlotMap* SlotMapPtr = MapPtr; /*************************************************************/ /* Parse Slot label until we find the one requrested */ /*************************************************************/ while (SlotMapLen > 0) { if (SlotMapPtr->AgentId == DevNode->AgentId ) { /*******************************************************/ /* If Phb wasn't found, grab the entry first one found.*/ /*******************************************************/ if (DevNode->PhbId == 0xff) { DevNode->PhbId = SlotMapPtr->PhbId; } /**************************************************/ /* Found it, extract the data. */ /**************************************************/ if (SlotMapPtr->PhbId == DevNode->PhbId ) { memcpy(&DevNode->CardLocation,&SlotMapPtr->CardLocation,3); DevNode->CardLocation[3] = 0; break; } } /*********************************************************/ /* Point to the next Slot */ /*********************************************************/ SlotMapPtr = (SlotMap*)((char*)SlotMapPtr+SLOT_ENTRY_SIZE); SlotMapLen -= SLOT_ENTRY_SIZE; } } /*****************************************************************/ /* Parse the Mfg Area */ /*****************************************************************/ static void iSeries_Parse_MfgArea(u8* AreaData,int AreaLen, struct iSeries_Device_Node* DevNode) { MfgArea* MfgAreaPtr = (MfgArea*)AreaData; int MfgAreaLen = AreaLen; u16 SlotMapFmt = 0; /*************************************************************/ /* Parse Mfg Data */ /*************************************************************/ while (MfgAreaLen > 0) { int MfgTagLen = MfgAreaPtr->TagLength; /*******************************************************/ /* Frame ID (FI 4649020310 ) */ /*******************************************************/ if (MfgAreaPtr->Tag == VpdFruFrameId) { /* FI */ DevNode->FrameId = MfgAreaPtr->AreaData1; } /*******************************************************/ /* Slot Map Format (MF 4D46020004 ) */ /*******************************************************/ else if (MfgAreaPtr->Tag == VpdSlotMapFormat){ /* MF */ SlotMapFmt = (MfgAreaPtr->AreaData1*256)+(MfgAreaPtr->AreaData2); } /*******************************************************/ /* Slot Map (SM 534D90 */ /*******************************************************/ else if (MfgAreaPtr->Tag == VpdSlotMap){ /* SM */ SlotMap* SlotMapPtr; if (SlotMapFmt == 0x1004) SlotMapPtr = (SlotMap*)((char*)MfgAreaPtr+MFG_ENTRY_SIZE+1); else SlotMapPtr = (SlotMap*)((char*)MfgAreaPtr+MFG_ENTRY_SIZE); iSeries_Parse_SlotArea(SlotMapPtr,MfgTagLen, DevNode); } /*********************************************************/ /* Point to the next Mfg Area */ /* Use defined size, sizeof give wrong answer */ /*********************************************************/ MfgAreaPtr = (MfgArea*)((char*)MfgAreaPtr + MfgTagLen + MFG_ENTRY_SIZE); MfgAreaLen -= (MfgTagLen + MFG_ENTRY_SIZE); } } /*****************************************************************/ /* Look for "BUS".. Data is not Null terminated. */ /* PHBID of 0xFF indicates PHB was not found in VPD Data. */ /*****************************************************************/ static int iSeries_Parse_PhbId(u8* AreaPtr,int AreaLength) { u8* PhbPtr = AreaPtr; int DataLen = AreaLength; char PhbId = 0xFF; while (DataLen > 0) { if (*PhbPtr == 'B' && *(PhbPtr+1) == 'U' && *(PhbPtr+2) == 'S') { PhbPtr += 3; while(*PhbPtr == ' ') ++PhbPtr; PhbId = (*PhbPtr & 0x0F); break; } ++PhbPtr; --DataLen; } return PhbId; } /****************************************************************/ /* Parse out the VPD Areas */ /****************************************************************/ static void iSeries_Parse_Vpd(u8* VpdData, int VpdDataLen, struct iSeries_Device_Node* DevNode) { u8* TagPtr = VpdData; int DataLen = VpdDataLen-3; /*************************************************************/ /* Parse the Areas */ /*************************************************************/ while (*TagPtr != VpdEndOfAreaTag && DataLen > 0) { int AreaLen = *(TagPtr+1) + (*(TagPtr+2)*256); u8* AreaData = TagPtr+3; if (*TagPtr == VpdIdStringTag) { DevNode->PhbId = iSeries_Parse_PhbId(AreaData,AreaLen); } else if (*TagPtr == VpdVendorAreaTag) { iSeries_Parse_MfgArea(AreaData,AreaLen,DevNode); } /********************************************************* * Point to next Area. *********************************************************/ TagPtr = AreaData + AreaLen; DataLen -= AreaLen; } } /**************************************************************** * iSeries_Get_Location_Code(struct iSeries_Device_Node*) * * ****************************************************************/ void iSeries_Get_Location_Code(struct iSeries_Device_Node* DevNode) { int BusVpdLen = 0; u8* BusVpdPtr = (u8*)kmalloc(BUS_VPDSIZE, GFP_KERNEL); if (BusVpdPtr == NULL) { printk("PCI: Bus VPD Buffer allocation failure.\n"); return; } BusVpdLen = HvCallPci_getBusVpd(ISERIES_BUS(DevNode),REALADDR(BusVpdPtr),BUS_VPDSIZE); if (BusVpdLen == 0) { kfree(BusVpdPtr); printk("PCI: Bus VPD Buffer zero length.\n"); return; } //printk("PCI: BusVpdPtr: %p, %d\n",BusVpdPtr, BusVpdLen); /*************************************************************/ /* Make sure this is what I think it is */ /*************************************************************/ if (*BusVpdPtr != VpdIdStringTag) { /*0x82 */ printk("PCI: Bus VPD Buffer missing starting tag.\n"); kfree(BusVpdPtr); return; } /***************************************************************/ /***************************************************************/ iSeries_Parse_Vpd(BusVpdPtr,BusVpdLen, DevNode); sprintf(DevNode->Location,"Frame%3d, Card %-4s",DevNode->FrameId,DevNode->CardLocation); kfree(BusVpdPtr); } |