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-rw-r--r--arch/ppc64/kernel/iSeries_VpdInfo.c220
1 files changed, 107 insertions, 113 deletions
diff --git a/arch/ppc64/kernel/iSeries_VpdInfo.c b/arch/ppc64/kernel/iSeries_VpdInfo.c
index a6f0ff2d0239..d11c732daf81 100644
--- a/arch/ppc64/kernel/iSeries_VpdInfo.c
+++ b/arch/ppc64/kernel/iSeries_VpdInfo.c
@@ -1,31 +1,31 @@
1/************************************************************************/ 1/*
2/* File iSeries_vpdInfo.c created by Allan Trautman on Fri Feb 2 2001. */ 2 * File iSeries_vpdInfo.c created by Allan Trautman on Fri Feb 2 2001.
3/************************************************************************/ 3 *
4/* This code gets the card location of the hardware */ 4 * This code gets the card location of the hardware
5/* Copyright (C) 20yy <Allan H Trautman> <IBM Corp> */ 5 * Copyright (C) 2001 <Allan H Trautman> <IBM Corp>
6/* */ 6 * Copyright (C) 2005 Stephen Rothwel, IBM Corp
7/* This program is free software; you can redistribute it and/or modify */ 7 *
8/* it under the terms of the GNU General Public License as published by */ 8 * This program is free software; you can redistribute it and/or modify
9/* the Free Software Foundation; either version 2 of the License, or */ 9 * it under the terms of the GNU General Public License as published by
10/* (at your option) any later version. */ 10 * the Free Software Foundation; either version 2 of the License, or
11/* */ 11 * (at your option) any later version.
12/* This program is distributed in the hope that it will be useful, */ 12 *
13/* but WITHOUT ANY WARRANTY; without even the implied warranty of */ 13 * This program is distributed in the hope that it will be useful,
14/* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the */ 14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15/* GNU General Public License for more details. */ 15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16/* */ 16 * GNU General Public License for more details.
17/* You should have received a copy of the GNU General Public License */ 17 *
18/* along with this program; if not, write to the: */ 18 * You should have received a copy of the GNU General Public License
19/* Free Software Foundation, Inc., */ 19 * along with this program; if not, write to the:
20/* 59 Temple Place, Suite 330, */ 20 * Free Software Foundation, Inc.,
21/* Boston, MA 02111-1307 USA */ 21 * 59 Temple Place, Suite 330,
22/************************************************************************/ 22 * Boston, MA 02111-1307 USA
23/* Change Activity: */ 23 *
24/* Created, Feb 2, 2001 */ 24 * Change Activity:
25/* Ported to ppc64, August 20, 2001 */ 25 * Created, Feb 2, 2001
26/* End Change Activity */ 26 * Ported to ppc64, August 20, 2001
27/************************************************************************/ 27 * End Change Activity
28#include <linux/config.h> 28 */
29#include <linux/init.h> 29#include <linux/init.h>
30#include <linux/module.h> 30#include <linux/module.h>
31#include <linux/pci.h> 31#include <linux/pci.h>
@@ -34,30 +34,25 @@
34 34
35#include <asm/iSeries/HvCallPci.h> 35#include <asm/iSeries/HvCallPci.h>
36#include <asm/iSeries/HvTypes.h> 36#include <asm/iSeries/HvTypes.h>
37#include <asm/iSeries/mf.h>
38#include <asm/iSeries/LparData.h>
39#include <asm/iSeries/iSeries_pci.h> 37#include <asm/iSeries/iSeries_pci.h>
40#include "pci.h"
41 38
42/* 39/*
43 * Size of Bus VPD data 40 * Size of Bus VPD data
44 */ 41 */
45#define BUS_VPDSIZE 1024 42#define BUS_VPDSIZE 1024
43
46/* 44/*
47 * Bus Vpd Tags 45 * Bus Vpd Tags
48 */ 46 */
49#define VpdEndOfDataTag 0x78
50#define VpdEndOfAreaTag 0x79 47#define VpdEndOfAreaTag 0x79
51#define VpdIdStringTag 0x82 48#define VpdIdStringTag 0x82
52#define VpdVendorAreaTag 0x84 49#define VpdVendorAreaTag 0x84
50
53/* 51/*
54 * Mfg Area Tags 52 * Mfg Area Tags
55 */ 53 */
56#define VpdFruFlag 0x4647 // "FG"
57#define VpdFruFrameId 0x4649 // "FI" 54#define VpdFruFrameId 0x4649 // "FI"
58#define VpdSlotMapFormat 0x4D46 // "MF" 55#define VpdSlotMapFormat 0x4D46 // "MF"
59#define VpdAsmPartNumber 0x504E // "PN"
60#define VpdFruSerial 0x534E // "SN"
61#define VpdSlotMap 0x534D // "SM" 56#define VpdSlotMap 0x534D // "SM"
62 57
63/* 58/*
@@ -79,74 +74,33 @@ struct SlotMapStruct {
79 char CardLocation[3]; 74 char CardLocation[3];
80 char Parms[8]; 75 char Parms[8];
81 char Reserved[2]; 76 char Reserved[2];
82}; 77};
83typedef struct SlotMapStruct SlotMap; 78typedef struct SlotMapStruct SlotMap;
84#define SLOT_ENTRY_SIZE 16 79#define SLOT_ENTRY_SIZE 16
85 80
86/* 81/*
87 * Formats the device information.
88 * - Pass in pci_dev* pointer to the device.
89 * - Pass in buffer to place the data. Danger here is the buffer must
90 * be as big as the client says it is. Should be at least 128 bytes.
91 * Return will the length of the string data put in the buffer.
92 * Format:
93 * PCI: Bus 0, Device 26, Vendor 0x12AE Frame 1, Card C10 Ethernet
94 * controller
95 */
96int iSeries_Device_Information(struct pci_dev *PciDev, char *buffer,
97 int BufferSize)
98{
99 struct iSeries_Device_Node *DevNode =
100 (struct iSeries_Device_Node *)PciDev->sysdata;
101 int len;
102
103 if (DevNode == NULL)
104 return sprintf(buffer,
105 "PCI: iSeries_Device_Information DevNode is NULL");
106
107 if (BufferSize < 128)
108 return 0;
109
110 len = sprintf(buffer, "PCI: Bus%3d, Device%3d, Vendor %04X ",
111 ISERIES_BUS(DevNode), PCI_SLOT(PciDev->devfn),
112 PciDev->vendor);
113 len += sprintf(buffer + len, "Frame%3d, Card %4s ",
114 DevNode->FrameId, DevNode->CardLocation);
115#ifdef CONFIG_PCI
116 if (pci_class_name(PciDev->class >> 8) == 0)
117 len += sprintf(buffer + len, "0x%04X ",
118 (int)(PciDev->class >> 8));
119 else
120 len += sprintf(buffer + len, "%s",
121 pci_class_name(PciDev->class >> 8));
122#endif
123 return len;
124}
125
126/*
127 * Parse the Slot Area 82 * Parse the Slot Area
128 */ 83 */
129void iSeries_Parse_SlotArea(SlotMap *MapPtr, int MapLen, 84static void __init iSeries_Parse_SlotArea(SlotMap *MapPtr, int MapLen,
130 struct iSeries_Device_Node *DevNode) 85 HvAgentId agent, u8 *PhbId, char card[4])
131{ 86{
132 int SlotMapLen = MapLen; 87 int SlotMapLen = MapLen;
133 SlotMap *SlotMapPtr = MapPtr; 88 SlotMap *SlotMapPtr = MapPtr;
134 89
135 /* 90 /*
136 * Parse Slot label until we find the one requrested 91 * Parse Slot label until we find the one requested
137 */ 92 */
138 while (SlotMapLen > 0) { 93 while (SlotMapLen > 0) {
139 if (SlotMapPtr->AgentId == DevNode->AgentId ) { 94 if (SlotMapPtr->AgentId == agent) {
140 /* 95 /*
141 * If Phb wasn't found, grab the entry first one found. 96 * If Phb wasn't found, grab the entry first one found.
142 */ 97 */
143 if (DevNode->PhbId == 0xff) 98 if (*PhbId == 0xff)
144 DevNode->PhbId = SlotMapPtr->PhbId; 99 *PhbId = SlotMapPtr->PhbId;
145 /* Found it, extract the data. */ 100 /* Found it, extract the data. */
146 if (SlotMapPtr->PhbId == DevNode->PhbId ) { 101 if (SlotMapPtr->PhbId == *PhbId) {
147 memcpy(&DevNode->CardLocation, 102 memcpy(card, &SlotMapPtr->CardLocation, 3);
148 &SlotMapPtr->CardLocation, 3); 103 card[3] = 0;
149 DevNode->CardLocation[3] = 0;
150 break; 104 break;
151 } 105 }
152 } 106 }
@@ -159,8 +113,9 @@ void iSeries_Parse_SlotArea(SlotMap *MapPtr, int MapLen,
159/* 113/*
160 * Parse the Mfg Area 114 * Parse the Mfg Area
161 */ 115 */
162static void iSeries_Parse_MfgArea(u8 *AreaData, int AreaLen, 116static void __init iSeries_Parse_MfgArea(u8 *AreaData, int AreaLen,
163 struct iSeries_Device_Node *DevNode) 117 HvAgentId agent, u8 *PhbId,
118 u8 *frame, char card[4])
164{ 119{
165 MfgArea *MfgAreaPtr = (MfgArea *)AreaData; 120 MfgArea *MfgAreaPtr = (MfgArea *)AreaData;
166 int MfgAreaLen = AreaLen; 121 int MfgAreaLen = AreaLen;
@@ -171,7 +126,7 @@ static void iSeries_Parse_MfgArea(u8 *AreaData, int AreaLen,
171 int MfgTagLen = MfgAreaPtr->TagLength; 126 int MfgTagLen = MfgAreaPtr->TagLength;
172 /* Frame ID (FI 4649020310 ) */ 127 /* Frame ID (FI 4649020310 ) */
173 if (MfgAreaPtr->Tag == VpdFruFrameId) /* FI */ 128 if (MfgAreaPtr->Tag == VpdFruFrameId) /* FI */
174 DevNode->FrameId = MfgAreaPtr->AreaData1; 129 *frame = MfgAreaPtr->AreaData1;
175 /* Slot Map Format (MF 4D46020004 ) */ 130 /* Slot Map Format (MF 4D46020004 ) */
176 else if (MfgAreaPtr->Tag == VpdSlotMapFormat) /* MF */ 131 else if (MfgAreaPtr->Tag == VpdSlotMapFormat) /* MF */
177 SlotMapFmt = (MfgAreaPtr->AreaData1 * 256) 132 SlotMapFmt = (MfgAreaPtr->AreaData1 * 256)
@@ -183,10 +138,11 @@ static void iSeries_Parse_MfgArea(u8 *AreaData, int AreaLen,
183 if (SlotMapFmt == 0x1004) 138 if (SlotMapFmt == 0x1004)
184 SlotMapPtr = (SlotMap *)((char *)MfgAreaPtr 139 SlotMapPtr = (SlotMap *)((char *)MfgAreaPtr
185 + MFG_ENTRY_SIZE + 1); 140 + MFG_ENTRY_SIZE + 1);
186 else 141 else
187 SlotMapPtr = (SlotMap *)((char *)MfgAreaPtr 142 SlotMapPtr = (SlotMap *)((char *)MfgAreaPtr
188 + MFG_ENTRY_SIZE); 143 + MFG_ENTRY_SIZE);
189 iSeries_Parse_SlotArea(SlotMapPtr, MfgTagLen, DevNode); 144 iSeries_Parse_SlotArea(SlotMapPtr, MfgTagLen,
145 agent, PhbId, card);
190 } 146 }
191 /* 147 /*
192 * Point to the next Mfg Area 148 * Point to the next Mfg Area
@@ -194,19 +150,19 @@ static void iSeries_Parse_MfgArea(u8 *AreaData, int AreaLen,
194 */ 150 */
195 MfgAreaPtr = (MfgArea *)((char *)MfgAreaPtr + MfgTagLen 151 MfgAreaPtr = (MfgArea *)((char *)MfgAreaPtr + MfgTagLen
196 + MFG_ENTRY_SIZE); 152 + MFG_ENTRY_SIZE);
197 MfgAreaLen -= (MfgTagLen + MFG_ENTRY_SIZE); 153 MfgAreaLen -= (MfgTagLen + MFG_ENTRY_SIZE);
198 } 154 }
199} 155}
200 156
201/* 157/*
202 * Look for "BUS".. Data is not Null terminated. 158 * Look for "BUS".. Data is not Null terminated.
203 * PHBID of 0xFF indicates PHB was not found in VPD Data. 159 * PHBID of 0xFF indicates PHB was not found in VPD Data.
204 */ 160 */
205static int iSeries_Parse_PhbId(u8 *AreaPtr, int AreaLength) 161static int __init iSeries_Parse_PhbId(u8 *AreaPtr, int AreaLength)
206{ 162{
207 u8 *PhbPtr = AreaPtr; 163 u8 *PhbPtr = AreaPtr;
208 int DataLen = AreaLength; 164 int DataLen = AreaLength;
209 char PhbId = 0xFF; 165 char PhbId = 0xFF;
210 166
211 while (DataLen > 0) { 167 while (DataLen > 0) {
212 if ((*PhbPtr == 'B') && (*(PhbPtr + 1) == 'U') 168 if ((*PhbPtr == 'B') && (*(PhbPtr + 1) == 'U')
@@ -216,7 +172,7 @@ static int iSeries_Parse_PhbId(u8 *AreaPtr, int AreaLength)
216 ++PhbPtr; 172 ++PhbPtr;
217 PhbId = (*PhbPtr & 0x0F); 173 PhbId = (*PhbPtr & 0x0F);
218 break; 174 break;
219 } 175 }
220 ++PhbPtr; 176 ++PhbPtr;
221 --DataLen; 177 --DataLen;
222 } 178 }
@@ -226,52 +182,90 @@ static int iSeries_Parse_PhbId(u8 *AreaPtr, int AreaLength)
226/* 182/*
227 * Parse out the VPD Areas 183 * Parse out the VPD Areas
228 */ 184 */
229static void iSeries_Parse_Vpd(u8 *VpdData, int VpdDataLen, 185static void __init iSeries_Parse_Vpd(u8 *VpdData, int VpdDataLen,
230 struct iSeries_Device_Node *DevNode) 186 HvAgentId agent, u8 *frame, char card[4])
231{ 187{
232 u8 *TagPtr = VpdData; 188 u8 *TagPtr = VpdData;
233 int DataLen = VpdDataLen - 3; 189 int DataLen = VpdDataLen - 3;
190 u8 PhbId;
234 191
235 while ((*TagPtr != VpdEndOfAreaTag) && (DataLen > 0)) { 192 while ((*TagPtr != VpdEndOfAreaTag) && (DataLen > 0)) {
236 int AreaLen = *(TagPtr + 1) + (*(TagPtr + 2) * 256); 193 int AreaLen = *(TagPtr + 1) + (*(TagPtr + 2) * 256);
237 u8 *AreaData = TagPtr + 3; 194 u8 *AreaData = TagPtr + 3;
238 195
239 if (*TagPtr == VpdIdStringTag) 196 if (*TagPtr == VpdIdStringTag)
240 DevNode->PhbId = iSeries_Parse_PhbId(AreaData, AreaLen); 197 PhbId = iSeries_Parse_PhbId(AreaData, AreaLen);
241 else if (*TagPtr == VpdVendorAreaTag) 198 else if (*TagPtr == VpdVendorAreaTag)
242 iSeries_Parse_MfgArea(AreaData, AreaLen, DevNode); 199 iSeries_Parse_MfgArea(AreaData, AreaLen,
200 agent, &PhbId, frame, card);
243 /* Point to next Area. */ 201 /* Point to next Area. */
244 TagPtr = AreaData + AreaLen; 202 TagPtr = AreaData + AreaLen;
245 DataLen -= AreaLen; 203 DataLen -= AreaLen;
246 } 204 }
247} 205}
248 206
249void iSeries_Get_Location_Code(struct iSeries_Device_Node *DevNode) 207static void __init iSeries_Get_Location_Code(u16 bus, HvAgentId agent,
208 u8 *frame, char card[4])
250{ 209{
251 int BusVpdLen = 0; 210 int BusVpdLen = 0;
252 u8 *BusVpdPtr = (u8 *)kmalloc(BUS_VPDSIZE, GFP_KERNEL); 211 u8 *BusVpdPtr = kmalloc(BUS_VPDSIZE, GFP_KERNEL);
253 212
254 if (BusVpdPtr == NULL) { 213 if (BusVpdPtr == NULL) {
255 printk("PCI: Bus VPD Buffer allocation failure.\n"); 214 printk("PCI: Bus VPD Buffer allocation failure.\n");
256 return; 215 return;
257 } 216 }
258 BusVpdLen = HvCallPci_getBusVpd(ISERIES_BUS(DevNode), 217 BusVpdLen = HvCallPci_getBusVpd(bus, ISERIES_HV_ADDR(BusVpdPtr),
259 ISERIES_HV_ADDR(BusVpdPtr),
260 BUS_VPDSIZE); 218 BUS_VPDSIZE);
261 if (BusVpdLen == 0) { 219 if (BusVpdLen == 0) {
262 kfree(BusVpdPtr);
263 printk("PCI: Bus VPD Buffer zero length.\n"); 220 printk("PCI: Bus VPD Buffer zero length.\n");
264 return; 221 goto out_free;
265 } 222 }
266 /* printk("PCI: BusVpdPtr: %p, %d\n",BusVpdPtr, BusVpdLen); */ 223 /* printk("PCI: BusVpdPtr: %p, %d\n",BusVpdPtr, BusVpdLen); */
267 /* Make sure this is what I think it is */ 224 /* Make sure this is what I think it is */
268 if (*BusVpdPtr != VpdIdStringTag) { /* 0x82 */ 225 if (*BusVpdPtr != VpdIdStringTag) { /* 0x82 */
269 printk("PCI: Bus VPD Buffer missing starting tag.\n"); 226 printk("PCI: Bus VPD Buffer missing starting tag.\n");
270 kfree(BusVpdPtr); 227 goto out_free;
271 return;
272 } 228 }
273 iSeries_Parse_Vpd(BusVpdPtr,BusVpdLen, DevNode); 229 iSeries_Parse_Vpd(BusVpdPtr, BusVpdLen, agent, frame, card);
274 sprintf(DevNode->Location, "Frame%3d, Card %-4s", DevNode->FrameId, 230out_free:
275 DevNode->CardLocation);
276 kfree(BusVpdPtr); 231 kfree(BusVpdPtr);
277} 232}
233
234/*
235 * Prints the device information.
236 * - Pass in pci_dev* pointer to the device.
237 * - Pass in the device count
238 *
239 * Format:
240 * PCI: Bus 0, Device 26, Vendor 0x12AE Frame 1, Card C10 Ethernet
241 * controller
242 */
243void __init iSeries_Device_Information(struct pci_dev *PciDev, int count)
244{
245 struct iSeries_Device_Node *DevNode = PciDev->sysdata;
246 u16 bus;
247 u8 frame;
248 char card[4];
249 HvSubBusNumber subbus;
250 HvAgentId agent;
251
252 if (DevNode == NULL) {
253 printk("%d. PCI: iSeries_Device_Information DevNode is NULL\n",
254 count);
255 return;
256 }
257
258 bus = ISERIES_BUS(DevNode);
259 subbus = ISERIES_SUBBUS(DevNode);
260 agent = ISERIES_PCI_AGENTID(ISERIES_GET_DEVICE_FROM_SUBBUS(subbus),
261 ISERIES_GET_FUNCTION_FROM_SUBBUS(subbus));
262 iSeries_Get_Location_Code(bus, agent, &frame, card);
263
264 printk("%d. PCI: Bus%3d, Device%3d, Vendor %04X Frame%3d, Card %4s ",
265 count, bus, PCI_SLOT(PciDev->devfn), PciDev->vendor,
266 frame, card);
267 if (pci_class_name(PciDev->class >> 8) == 0)
268 printk("0x%04X\n", (int)(PciDev->class >> 8));
269 else
270 printk("%s\n", pci_class_name(PciDev->class >> 8));
271}