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Version: [ 2.6.11.8 ] [ 2.6.25 ] [ 2.6.25.8 ] [ 2.6.31.13 ] Architecture: [ i386 ]

Diff markup

Differences between /linux/include/linux/pci.h (Version 2.6.11.8) and /linux/include/linux/pci.h (Version 2.6.25.8)


  1 /*                                                  1 /*
  2  *      pci.h                                       2  *      pci.h
  3  *                                                  3  *
  4  *      PCI defines and function prototypes         4  *      PCI defines and function prototypes
  5  *      Copyright 1994, Drew Eckhardt               5  *      Copyright 1994, Drew Eckhardt
  6  *      Copyright 1997--1999 Martin Mares <mj@      6  *      Copyright 1997--1999 Martin Mares <mj@ucw.cz>
  7  *                                                  7  *
  8  *      For more information, please consult t      8  *      For more information, please consult the following manuals (look at
  9  *      http://www.pcisig.com/ for how to get       9  *      http://www.pcisig.com/ for how to get them):
 10  *                                                 10  *
 11  *      PCI BIOS Specification                     11  *      PCI BIOS Specification
 12  *      PCI Local Bus Specification                12  *      PCI Local Bus Specification
 13  *      PCI to PCI Bridge Specification            13  *      PCI to PCI Bridge Specification
 14  *      PCI System Design Guide                    14  *      PCI System Design Guide
 15  */                                                15  */
 16                                                    16 
 17 #ifndef LINUX_PCI_H                                17 #ifndef LINUX_PCI_H
 18 #define LINUX_PCI_H                                18 #define LINUX_PCI_H
 19                                                    19 
 20 #include <linux/mod_devicetable.h>             !!  20 /* Include the pci register defines */
 21                                                !!  21 #include <linux/pci_regs.h>
 22 /*                                             << 
 23  * Under PCI, each device has 256 bytes of con << 
 24  * of which the first 64 bytes are standardize << 
 25  */                                            << 
 26 #define PCI_VENDOR_ID           0x00    /* 16  << 
 27 #define PCI_DEVICE_ID           0x02    /* 16  << 
 28 #define PCI_COMMAND             0x04    /* 16  << 
 29 #define  PCI_COMMAND_IO         0x1     /* Ena << 
 30 #define  PCI_COMMAND_MEMORY     0x2     /* Ena << 
 31 #define  PCI_COMMAND_MASTER     0x4     /* Ena << 
 32 #define  PCI_COMMAND_SPECIAL    0x8     /* Ena << 
 33 #define  PCI_COMMAND_INVALIDATE 0x10    /* Use << 
 34 #define  PCI_COMMAND_VGA_PALETTE 0x20   /* Ena << 
 35 #define  PCI_COMMAND_PARITY     0x40    /* Ena << 
 36 #define  PCI_COMMAND_WAIT       0x80    /* Ena << 
 37 #define  PCI_COMMAND_SERR       0x100   /* Ena << 
 38 #define  PCI_COMMAND_FAST_BACK  0x200   /* Ena << 
 39 #define  PCI_COMMAND_INTX_DISABLE 0x400 /* INT << 
 40                                                << 
 41 #define PCI_STATUS              0x06    /* 16  << 
 42 #define  PCI_STATUS_CAP_LIST    0x10    /* Sup << 
 43 #define  PCI_STATUS_66MHZ       0x20    /* Sup << 
 44 #define  PCI_STATUS_UDF         0x40    /* Sup << 
 45 #define  PCI_STATUS_FAST_BACK   0x80    /* Acc << 
 46 #define  PCI_STATUS_PARITY      0x100   /* Det << 
 47 #define  PCI_STATUS_DEVSEL_MASK 0x600   /* DEV << 
 48 #define  PCI_STATUS_DEVSEL_FAST 0x000          << 
 49 #define  PCI_STATUS_DEVSEL_MEDIUM 0x200        << 
 50 #define  PCI_STATUS_DEVSEL_SLOW 0x400          << 
 51 #define  PCI_STATUS_SIG_TARGET_ABORT 0x800 /*  << 
 52 #define  PCI_STATUS_REC_TARGET_ABORT 0x1000 /* << 
 53 #define  PCI_STATUS_REC_MASTER_ABORT 0x2000 /* << 
 54 #define  PCI_STATUS_SIG_SYSTEM_ERROR 0x4000 /* << 
 55 #define  PCI_STATUS_DETECTED_PARITY 0x8000 /*  << 
 56                                                << 
 57 #define PCI_CLASS_REVISION      0x08    /* Hig << 
 58                                            rev << 
 59 #define PCI_REVISION_ID         0x08    /* Rev << 
 60 #define PCI_CLASS_PROG          0x09    /* Reg << 
 61 #define PCI_CLASS_DEVICE        0x0a    /* Dev << 
 62                                                << 
 63 #define PCI_CACHE_LINE_SIZE     0x0c    /* 8 b << 
 64 #define PCI_LATENCY_TIMER       0x0d    /* 8 b << 
 65 #define PCI_HEADER_TYPE         0x0e    /* 8 b << 
 66 #define  PCI_HEADER_TYPE_NORMAL 0              << 
 67 #define  PCI_HEADER_TYPE_BRIDGE 1              << 
 68 #define  PCI_HEADER_TYPE_CARDBUS 2             << 
 69                                                << 
 70 #define PCI_BIST                0x0f    /* 8 b << 
 71 #define  PCI_BIST_CODE_MASK     0x0f    /* Ret << 
 72 #define  PCI_BIST_START         0x40    /* 1 t << 
 73 #define  PCI_BIST_CAPABLE       0x80    /* 1 i << 
 74                                                << 
 75 /*                                             << 
 76  * Base addresses specify locations in memory  << 
 77  * Decoded size can be determined by writing a << 
 78  * 0xffffffff to the register, and reading it  << 
 79  * 1 bits are decoded.                         << 
 80  */                                            << 
 81 #define PCI_BASE_ADDRESS_0      0x10    /* 32  << 
 82 #define PCI_BASE_ADDRESS_1      0x14    /* 32  << 
 83 #define PCI_BASE_ADDRESS_2      0x18    /* 32  << 
 84 #define PCI_BASE_ADDRESS_3      0x1c    /* 32  << 
 85 #define PCI_BASE_ADDRESS_4      0x20    /* 32  << 
 86 #define PCI_BASE_ADDRESS_5      0x24    /* 32  << 
 87 #define  PCI_BASE_ADDRESS_SPACE 0x01    /* 0 = << 
 88 #define  PCI_BASE_ADDRESS_SPACE_IO 0x01        << 
 89 #define  PCI_BASE_ADDRESS_SPACE_MEMORY 0x00    << 
 90 #define  PCI_BASE_ADDRESS_MEM_TYPE_MASK 0x06   << 
 91 #define  PCI_BASE_ADDRESS_MEM_TYPE_32   0x00   << 
 92 #define  PCI_BASE_ADDRESS_MEM_TYPE_1M   0x02   << 
 93 #define  PCI_BASE_ADDRESS_MEM_TYPE_64   0x04   << 
 94 #define  PCI_BASE_ADDRESS_MEM_PREFETCH  0x08   << 
 95 #define  PCI_BASE_ADDRESS_MEM_MASK      (~0x0f << 
 96 #define  PCI_BASE_ADDRESS_IO_MASK       (~0x03 << 
 97 /* bit 1 is reserved if address_space = 1 */   << 
 98                                                << 
 99 /* Header type 0 (normal devices) */           << 
100 #define PCI_CARDBUS_CIS         0x28           << 
101 #define PCI_SUBSYSTEM_VENDOR_ID 0x2c           << 
102 #define PCI_SUBSYSTEM_ID        0x2e           << 
103 #define PCI_ROM_ADDRESS         0x30    /* Bit << 
104 #define  PCI_ROM_ADDRESS_ENABLE 0x01           << 
105 #define PCI_ROM_ADDRESS_MASK    (~0x7ffUL)     << 
106                                                << 
107 #define PCI_CAPABILITY_LIST     0x34    /* Off << 
108                                                << 
109 /* 0x35-0x3b are reserved */                   << 
110 #define PCI_INTERRUPT_LINE      0x3c    /* 8 b << 
111 #define PCI_INTERRUPT_PIN       0x3d    /* 8 b << 
112 #define PCI_MIN_GNT             0x3e    /* 8 b << 
113 #define PCI_MAX_LAT             0x3f    /* 8 b << 
114                                                << 
115 /* Header type 1 (PCI-to-PCI bridges) */       << 
116 #define PCI_PRIMARY_BUS         0x18    /* Pri << 
117 #define PCI_SECONDARY_BUS       0x19    /* Sec << 
118 #define PCI_SUBORDINATE_BUS     0x1a    /* Hig << 
119 #define PCI_SEC_LATENCY_TIMER   0x1b    /* Lat << 
120 #define PCI_IO_BASE             0x1c    /* I/O << 
121 #define PCI_IO_LIMIT            0x1d           << 
122 #define  PCI_IO_RANGE_TYPE_MASK 0x0fUL  /* I/O << 
123 #define  PCI_IO_RANGE_TYPE_16   0x00           << 
124 #define  PCI_IO_RANGE_TYPE_32   0x01           << 
125 #define  PCI_IO_RANGE_MASK      (~0x0fUL)      << 
126 #define PCI_SEC_STATUS          0x1e    /* Sec << 
127 #define PCI_MEMORY_BASE         0x20    /* Mem << 
128 #define PCI_MEMORY_LIMIT        0x22           << 
129 #define  PCI_MEMORY_RANGE_TYPE_MASK 0x0fUL     << 
130 #define  PCI_MEMORY_RANGE_MASK  (~0x0fUL)      << 
131 #define PCI_PREF_MEMORY_BASE    0x24    /* Pre << 
132 #define PCI_PREF_MEMORY_LIMIT   0x26           << 
133 #define  PCI_PREF_RANGE_TYPE_MASK 0x0fUL       << 
134 #define  PCI_PREF_RANGE_TYPE_32 0x00           << 
135 #define  PCI_PREF_RANGE_TYPE_64 0x01           << 
136 #define  PCI_PREF_RANGE_MASK    (~0x0fUL)      << 
137 #define PCI_PREF_BASE_UPPER32   0x28    /* Upp << 
138 #define PCI_PREF_LIMIT_UPPER32  0x2c           << 
139 #define PCI_IO_BASE_UPPER16     0x30    /* Upp << 
140 #define PCI_IO_LIMIT_UPPER16    0x32           << 
141 /* 0x34 same as for htype 0 */                 << 
142 /* 0x35-0x3b is reserved */                    << 
143 #define PCI_ROM_ADDRESS1        0x38    /* Sam << 
144 /* 0x3c-0x3d are same as for htype 0 */        << 
145 #define PCI_BRIDGE_CONTROL      0x3e           << 
146 #define  PCI_BRIDGE_CTL_PARITY  0x01    /* Ena << 
147 #define  PCI_BRIDGE_CTL_SERR    0x02    /* The << 
148 #define  PCI_BRIDGE_CTL_NO_ISA  0x04    /* Dis << 
149 #define  PCI_BRIDGE_CTL_VGA     0x08    /* For << 
150 #define  PCI_BRIDGE_CTL_MASTER_ABORT 0x20  /*  << 
151 #define  PCI_BRIDGE_CTL_BUS_RESET 0x40  /* Sec << 
152 #define  PCI_BRIDGE_CTL_FAST_BACK 0x80  /* Fas << 
153                                                << 
154 /* Header type 2 (CardBus bridges) */          << 
155 #define PCI_CB_CAPABILITY_LIST  0x14           << 
156 /* 0x15 reserved */                            << 
157 #define PCI_CB_SEC_STATUS       0x16    /* Sec << 
158 #define PCI_CB_PRIMARY_BUS      0x18    /* PCI << 
159 #define PCI_CB_CARD_BUS         0x19    /* Car << 
160 #define PCI_CB_SUBORDINATE_BUS  0x1a    /* Sub << 
161 #define PCI_CB_LATENCY_TIMER    0x1b    /* Car << 
162 #define PCI_CB_MEMORY_BASE_0    0x1c           << 
163 #define PCI_CB_MEMORY_LIMIT_0   0x20           << 
164 #define PCI_CB_MEMORY_BASE_1    0x24           << 
165 #define PCI_CB_MEMORY_LIMIT_1   0x28           << 
166 #define PCI_CB_IO_BASE_0        0x2c           << 
167 #define PCI_CB_IO_BASE_0_HI     0x2e           << 
168 #define PCI_CB_IO_LIMIT_0       0x30           << 
169 #define PCI_CB_IO_LIMIT_0_HI    0x32           << 
170 #define PCI_CB_IO_BASE_1        0x34           << 
171 #define PCI_CB_IO_BASE_1_HI     0x36           << 
172 #define PCI_CB_IO_LIMIT_1       0x38           << 
173 #define PCI_CB_IO_LIMIT_1_HI    0x3a           << 
174 #define  PCI_CB_IO_RANGE_MASK   (~0x03UL)      << 
175 /* 0x3c-0x3d are same as for htype 0 */        << 
176 #define PCI_CB_BRIDGE_CONTROL   0x3e           << 
177 #define  PCI_CB_BRIDGE_CTL_PARITY       0x01   << 
178 #define  PCI_CB_BRIDGE_CTL_SERR         0x02   << 
179 #define  PCI_CB_BRIDGE_CTL_ISA          0x04   << 
180 #define  PCI_CB_BRIDGE_CTL_VGA          0x08   << 
181 #define  PCI_CB_BRIDGE_CTL_MASTER_ABORT 0x20   << 
182 #define  PCI_CB_BRIDGE_CTL_CB_RESET     0x40   << 
183 #define  PCI_CB_BRIDGE_CTL_16BIT_INT    0x80   << 
184 #define  PCI_CB_BRIDGE_CTL_PREFETCH_MEM0 0x100 << 
185 #define  PCI_CB_BRIDGE_CTL_PREFETCH_MEM1 0x200 << 
186 #define  PCI_CB_BRIDGE_CTL_POST_WRITES  0x400  << 
187 #define PCI_CB_SUBSYSTEM_VENDOR_ID 0x40        << 
188 #define PCI_CB_SUBSYSTEM_ID     0x42           << 
189 #define PCI_CB_LEGACY_MODE_BASE 0x44    /* 16- << 
190 /* 0x48-0x7f reserved */                       << 
191                                                << 
192 /* Capability lists */                         << 
193                                                << 
194 #define PCI_CAP_LIST_ID         0       /* Cap << 
195 #define  PCI_CAP_ID_PM          0x01    /* Pow << 
196 #define  PCI_CAP_ID_AGP         0x02    /* Acc << 
197 #define  PCI_CAP_ID_VPD         0x03    /* Vit << 
198 #define  PCI_CAP_ID_SLOTID      0x04    /* Slo << 
199 #define  PCI_CAP_ID_MSI         0x05    /* Mes << 
200 #define  PCI_CAP_ID_CHSWP       0x06    /* Com << 
201 #define  PCI_CAP_ID_PCIX        0x07    /* PCI << 
202 #define  PCI_CAP_ID_SHPC        0x0C    /* PCI << 
203 #define  PCI_CAP_ID_EXP         0x10    /* PCI << 
204 #define  PCI_CAP_ID_MSIX        0x11    /* MSI << 
205 #define PCI_CAP_LIST_NEXT       1       /* Nex << 
206 #define PCI_CAP_FLAGS           2       /* Cap << 
207 #define PCI_CAP_SIZEOF          4              << 
208                                                << 
209 /* Power Management Registers */               << 
210                                                << 
211 #define PCI_PM_PMC              2       /* PM  << 
212 #define  PCI_PM_CAP_VER_MASK    0x0007  /* Ver << 
213 #define  PCI_PM_CAP_PME_CLOCK   0x0008  /* PME << 
214 #define  PCI_PM_CAP_RESERVED    0x0010  /* Res << 
215 #define  PCI_PM_CAP_DSI         0x0020  /* Dev << 
216 #define  PCI_PM_CAP_AUX_POWER   0x01C0  /* Aux << 
217 #define  PCI_PM_CAP_D1          0x0200  /* D1  << 
218 #define  PCI_PM_CAP_D2          0x0400  /* D2  << 
219 #define  PCI_PM_CAP_PME         0x0800  /* PME << 
220 #define  PCI_PM_CAP_PME_MASK    0xF800  /* PME << 
221 #define  PCI_PM_CAP_PME_D0      0x0800  /* PME << 
222 #define  PCI_PM_CAP_PME_D1      0x1000  /* PME << 
223 #define  PCI_PM_CAP_PME_D2      0x2000  /* PME << 
224 #define  PCI_PM_CAP_PME_D3      0x4000  /* PME << 
225 #define  PCI_PM_CAP_PME_D3cold  0x8000  /* PME << 
226 #define PCI_PM_CTRL             4       /* PM  << 
227 #define  PCI_PM_CTRL_STATE_MASK 0x0003  /* Cur << 
228 #define  PCI_PM_CTRL_PME_ENABLE 0x0100  /* PME << 
229 #define  PCI_PM_CTRL_DATA_SEL_MASK      0x1e00 << 
230 #define  PCI_PM_CTRL_DATA_SCALE_MASK    0x6000 << 
231 #define  PCI_PM_CTRL_PME_STATUS 0x8000  /* PME << 
232 #define PCI_PM_PPB_EXTENSIONS   6       /* PPB << 
233 #define  PCI_PM_PPB_B2_B3       0x40    /* Sto << 
234 #define  PCI_PM_BPCC_ENABLE     0x80    /* Bus << 
235 #define PCI_PM_DATA_REGISTER    7       /* (?? << 
236 #define PCI_PM_SIZEOF           8              << 
237                                                << 
238 /* AGP registers */                            << 
239                                                << 
240 #define PCI_AGP_VERSION         2       /* BCD << 
241 #define PCI_AGP_RFU             3       /* Res << 
242 #define PCI_AGP_STATUS          4       /* Sta << 
243 #define  PCI_AGP_STATUS_RQ_MASK 0xff000000     << 
244 #define  PCI_AGP_STATUS_SBA     0x0200  /* Sid << 
245 #define  PCI_AGP_STATUS_64BIT   0x0020  /* 64- << 
246 #define  PCI_AGP_STATUS_FW      0x0010  /* FW  << 
247 #define  PCI_AGP_STATUS_RATE4   0x0004  /* 4x  << 
248 #define  PCI_AGP_STATUS_RATE2   0x0002  /* 2x  << 
249 #define  PCI_AGP_STATUS_RATE1   0x0001  /* 1x  << 
250 #define PCI_AGP_COMMAND         8       /* Con << 
251 #define  PCI_AGP_COMMAND_RQ_MASK 0xff000000  / << 
252 #define  PCI_AGP_COMMAND_SBA    0x0200  /* Sid << 
253 #define  PCI_AGP_COMMAND_AGP    0x0100  /* All << 
254 #define  PCI_AGP_COMMAND_64BIT  0x0020  /* All << 
255 #define  PCI_AGP_COMMAND_FW     0x0010  /* For << 
256 #define  PCI_AGP_COMMAND_RATE4  0x0004  /* Use << 
257 #define  PCI_AGP_COMMAND_RATE2  0x0002  /* Use << 
258 #define  PCI_AGP_COMMAND_RATE1  0x0001  /* Use << 
259 #define PCI_AGP_SIZEOF          12             << 
260                                                << 
261 /* Vital Product Data */                       << 
262                                                << 
263 #define PCI_VPD_ADDR            2       /* Add << 
264 #define  PCI_VPD_ADDR_MASK      0x7fff  /* Add << 
265 #define  PCI_VPD_ADDR_F         0x8000  /* Wri << 
266 #define PCI_VPD_DATA            4       /* 32- << 
267                                                << 
268 /* Slot Identification */                      << 
269                                                << 
270 #define PCI_SID_ESR             2       /* Exp << 
271 #define  PCI_SID_ESR_NSLOTS     0x1f    /* Num << 
272 #define  PCI_SID_ESR_FIC        0x20    /* Fir << 
273 #define PCI_SID_CHASSIS_NR      3       /* Cha << 
274                                                << 
275 /* Message Signalled Interrupts registers */   << 
276                                                << 
277 #define PCI_MSI_FLAGS           2       /* Var << 
278 #define  PCI_MSI_FLAGS_64BIT    0x80    /* 64- << 
279 #define  PCI_MSI_FLAGS_QSIZE    0x70    /* Mes << 
280 #define  PCI_MSI_FLAGS_QMASK    0x0e    /* Max << 
281 #define  PCI_MSI_FLAGS_ENABLE   0x01    /* MSI << 
282 #define  PCI_MSI_FLAGS_MASKBIT  0x100   /* 64- << 
283 #define PCI_MSI_RFU             3       /* Res << 
284 #define PCI_MSI_ADDRESS_LO      4       /* Low << 
285 #define PCI_MSI_ADDRESS_HI      8       /* Upp << 
286 #define PCI_MSI_DATA_32         8       /* 16  << 
287 #define PCI_MSI_DATA_64         12      /* 16  << 
288 #define PCI_MSI_MASK_BIT        16      /* Mas << 
289                                                << 
290 /* CompactPCI Hotswap Register */              << 
291                                                << 
292 #define PCI_CHSWP_CSR           2       /* Con << 
293 #define  PCI_CHSWP_DHA          0x01    /* Dev << 
294 #define  PCI_CHSWP_EIM          0x02    /* ENU << 
295 #define  PCI_CHSWP_PIE          0x04    /* Pen << 
296 #define  PCI_CHSWP_LOO          0x08    /* LED << 
297 #define  PCI_CHSWP_PI           0x30    /* Pro << 
298 #define  PCI_CHSWP_EXT          0x40    /* ENU << 
299 #define  PCI_CHSWP_INS          0x80    /* ENU << 
300                                                << 
301 /* PCI-X registers */                          << 
302                                                << 
303 #define PCI_X_CMD               2       /* Mod << 
304 #define  PCI_X_CMD_DPERR_E      0x0001  /* Dat << 
305 #define  PCI_X_CMD_ERO          0x0002  /* Ena << 
306 #define  PCI_X_CMD_MAX_READ     0x000c  /* Max << 
307 #define  PCI_X_CMD_MAX_SPLIT    0x0070  /* Max << 
308 #define  PCI_X_CMD_VERSION(x)   (((x) >> 12) & << 
309 #define PCI_X_STATUS            4       /* PCI << 
310 #define  PCI_X_STATUS_DEVFN     0x000000ff     << 
311 #define  PCI_X_STATUS_BUS       0x0000ff00     << 
312 #define  PCI_X_STATUS_64BIT     0x00010000     << 
313 #define  PCI_X_STATUS_133MHZ    0x00020000     << 
314 #define  PCI_X_STATUS_SPL_DISC  0x00040000     << 
315 #define  PCI_X_STATUS_UNX_SPL   0x00080000     << 
316 #define  PCI_X_STATUS_COMPLEX   0x00100000     << 
317 #define  PCI_X_STATUS_MAX_READ  0x00600000     << 
318 #define  PCI_X_STATUS_MAX_SPLIT 0x03800000     << 
319 #define  PCI_X_STATUS_MAX_CUM   0x1c000000     << 
320 #define  PCI_X_STATUS_SPL_ERR   0x20000000     << 
321 #define  PCI_X_STATUS_266MHZ    0x40000000     << 
322 #define  PCI_X_STATUS_533MHZ    0x80000000     << 
323                                                << 
324 /* PCI Express capability registers */         << 
325                                                << 
326 #define PCI_EXP_FLAGS           2       /* Cap << 
327 #define PCI_EXP_FLAGS_VERS      0x000f  /* Cap << 
328 #define PCI_EXP_FLAGS_TYPE      0x00f0  /* Dev << 
329 #define  PCI_EXP_TYPE_ENDPOINT  0x0     /* Exp << 
330 #define  PCI_EXP_TYPE_LEG_END   0x1     /* Leg << 
331 #define  PCI_EXP_TYPE_ROOT_PORT 0x4     /* Roo << 
332 #define  PCI_EXP_TYPE_UPSTREAM  0x5     /* Ups << 
333 #define  PCI_EXP_TYPE_DOWNSTREAM 0x6    /* Dow << 
334 #define  PCI_EXP_TYPE_PCI_BRIDGE 0x7    /* PCI << 
335 #define PCI_EXP_FLAGS_SLOT      0x0100  /* Slo << 
336 #define PCI_EXP_FLAGS_IRQ       0x3e00  /* Int << 
337 #define PCI_EXP_DEVCAP          4       /* Dev << 
338 #define  PCI_EXP_DEVCAP_PAYLOAD 0x07    /* Max << 
339 #define  PCI_EXP_DEVCAP_PHANTOM 0x18    /* Pha << 
340 #define  PCI_EXP_DEVCAP_EXT_TAG 0x20    /* Ext << 
341 #define  PCI_EXP_DEVCAP_L0S     0x1c0   /* L0s << 
342 #define  PCI_EXP_DEVCAP_L1      0xe00   /* L1  << 
343 #define  PCI_EXP_DEVCAP_ATN_BUT 0x1000  /* Att << 
344 #define  PCI_EXP_DEVCAP_ATN_IND 0x2000  /* Att << 
345 #define  PCI_EXP_DEVCAP_PWR_IND 0x4000  /* Pow << 
346 #define  PCI_EXP_DEVCAP_PWR_VAL 0x3fc0000 /* S << 
347 #define  PCI_EXP_DEVCAP_PWR_SCL 0xc000000 /* S << 
348 #define PCI_EXP_DEVCTL          8       /* Dev << 
349 #define  PCI_EXP_DEVCTL_CERE    0x0001  /* Cor << 
350 #define  PCI_EXP_DEVCTL_NFERE   0x0002  /* Non << 
351 #define  PCI_EXP_DEVCTL_FERE    0x0004  /* Fat << 
352 #define  PCI_EXP_DEVCTL_URRE    0x0008  /* Uns << 
353 #define  PCI_EXP_DEVCTL_RELAX_EN 0x0010 /* Ena << 
354 #define  PCI_EXP_DEVCTL_PAYLOAD 0x00e0  /* Max << 
355 #define  PCI_EXP_DEVCTL_EXT_TAG 0x0100  /* Ext << 
356 #define  PCI_EXP_DEVCTL_PHANTOM 0x0200  /* Pha << 
357 #define  PCI_EXP_DEVCTL_AUX_PME 0x0400  /* Aux << 
358 #define  PCI_EXP_DEVCTL_NOSNOOP_EN 0x0800  /*  << 
359 #define  PCI_EXP_DEVCTL_READRQ  0x7000  /* Max << 
360 #define PCI_EXP_DEVSTA          10      /* Dev << 
361 #define  PCI_EXP_DEVSTA_CED     0x01    /* Cor << 
362 #define  PCI_EXP_DEVSTA_NFED    0x02    /* Non << 
363 #define  PCI_EXP_DEVSTA_FED     0x04    /* Fat << 
364 #define  PCI_EXP_DEVSTA_URD     0x08    /* Uns << 
365 #define  PCI_EXP_DEVSTA_AUXPD   0x10    /* AUX << 
366 #define  PCI_EXP_DEVSTA_TRPND   0x20    /* Tra << 
367 #define PCI_EXP_LNKCAP          12      /* Lin << 
368 #define PCI_EXP_LNKCTL          16      /* Lin << 
369 #define PCI_EXP_LNKSTA          18      /* Lin << 
370 #define PCI_EXP_SLTCAP          20      /* Slo << 
371 #define PCI_EXP_SLTCTL          24      /* Slo << 
372 #define PCI_EXP_SLTSTA          26      /* Slo << 
373 #define PCI_EXP_RTCTL           28      /* Roo << 
374 #define  PCI_EXP_RTCTL_SECEE    0x01    /* Sys << 
375 #define  PCI_EXP_RTCTL_SENFEE   0x02    /* Sys << 
376 #define  PCI_EXP_RTCTL_SEFEE    0x04    /* Sys << 
377 #define  PCI_EXP_RTCTL_PMEIE    0x08    /* PME << 
378 #define  PCI_EXP_RTCTL_CRSSVE   0x10    /* CRS << 
379 #define PCI_EXP_RTCAP           30      /* Roo << 
380 #define PCI_EXP_RTSTA           32      /* Roo << 
381                                                << 
382 /* Extended Capabilities (PCI-X 2.0 and Expres << 
383 #define PCI_EXT_CAP_ID(header)          (heade << 
384 #define PCI_EXT_CAP_VER(header)         ((head << 
385 #define PCI_EXT_CAP_NEXT(header)        ((head << 
386                                                << 
387 #define PCI_EXT_CAP_ID_ERR      1              << 
388 #define PCI_EXT_CAP_ID_VC       2              << 
389 #define PCI_EXT_CAP_ID_DSN      3              << 
390 #define PCI_EXT_CAP_ID_PWR      4              << 
391                                                << 
392 /* Advanced Error Reporting */                 << 
393 #define PCI_ERR_UNCOR_STATUS    4       /* Unc << 
394 #define  PCI_ERR_UNC_TRAIN      0x00000001     << 
395 #define  PCI_ERR_UNC_DLP        0x00000010     << 
396 #define  PCI_ERR_UNC_POISON_TLP 0x00001000     << 
397 #define  PCI_ERR_UNC_FCP        0x00002000     << 
398 #define  PCI_ERR_UNC_COMP_TIME  0x00004000     << 
399 #define  PCI_ERR_UNC_COMP_ABORT 0x00008000     << 
400 #define  PCI_ERR_UNC_UNX_COMP   0x00010000     << 
401 #define  PCI_ERR_UNC_RX_OVER    0x00020000     << 
402 #define  PCI_ERR_UNC_MALF_TLP   0x00040000     << 
403 #define  PCI_ERR_UNC_ECRC       0x00080000     << 
404 #define  PCI_ERR_UNC_UNSUP      0x00100000     << 
405 #define PCI_ERR_UNCOR_MASK      8       /* Unc << 
406         /* Same bits as above */               << 
407 #define PCI_ERR_UNCOR_SEVER     12      /* Unc << 
408         /* Same bits as above */               << 
409 #define PCI_ERR_COR_STATUS      16      /* Cor << 
410 #define  PCI_ERR_COR_RCVR       0x00000001     << 
411 #define  PCI_ERR_COR_BAD_TLP    0x00000040     << 
412 #define  PCI_ERR_COR_BAD_DLLP   0x00000080     << 
413 #define  PCI_ERR_COR_REP_ROLL   0x00000100     << 
414 #define  PCI_ERR_COR_REP_TIMER  0x00001000     << 
415 #define PCI_ERR_COR_MASK        20      /* Cor << 
416         /* Same bits as above */               << 
417 #define PCI_ERR_CAP             24      /* Adv << 
418 #define  PCI_ERR_CAP_FEP(x)     ((x) & 31)     << 
419 #define  PCI_ERR_CAP_ECRC_GENC  0x00000020     << 
420 #define  PCI_ERR_CAP_ECRC_GENE  0x00000040     << 
421 #define  PCI_ERR_CAP_ECRC_CHKC  0x00000080     << 
422 #define  PCI_ERR_CAP_ECRC_CHKE  0x00000100     << 
423 #define PCI_ERR_HEADER_LOG      28      /* Hea << 
424 #define PCI_ERR_ROOT_COMMAND    44      /* Roo << 
425 #define PCI_ERR_ROOT_STATUS     48             << 
426 #define PCI_ERR_ROOT_COR_SRC    52             << 
427 #define PCI_ERR_ROOT_SRC        54             << 
428                                                << 
429 /* Virtual Channel */                          << 
430 #define PCI_VC_PORT_REG1        4              << 
431 #define PCI_VC_PORT_REG2        8              << 
432 #define PCI_VC_PORT_CTRL        12             << 
433 #define PCI_VC_PORT_STATUS      14             << 
434 #define PCI_VC_RES_CAP          16             << 
435 #define PCI_VC_RES_CTRL         20             << 
436 #define PCI_VC_RES_STATUS       26             << 
437                                                << 
438 /* Power Budgeting */                          << 
439 #define PCI_PWR_DSR             4       /* Dat << 
440 #define PCI_PWR_DATA            8       /* Dat << 
441 #define  PCI_PWR_DATA_BASE(x)   ((x) & 0xff)   << 
442 #define  PCI_PWR_DATA_SCALE(x)  (((x) >> 8) &  << 
443 #define  PCI_PWR_DATA_PM_SUB(x) (((x) >> 10) & << 
444 #define  PCI_PWR_DATA_PM_STATE(x) (((x) >> 13) << 
445 #define  PCI_PWR_DATA_TYPE(x)   (((x) >> 15) & << 
446 #define  PCI_PWR_DATA_RAIL(x)   (((x) >> 18) & << 
447 #define PCI_PWR_CAP             12      /* Cap << 
448 #define  PCI_PWR_CAP_BUDGET(x)  ((x) & 1)      << 
449                                                << 
450 /* Include the ID list */                      << 
451                                                << 
452 #include <linux/pci_ids.h>                     << 
453                                                    22 
454 /*                                                 23 /*
455  * The PCI interface treats multi-function dev     24  * The PCI interface treats multi-function devices as independent
456  * devices.  The slot/function address of each     25  * devices.  The slot/function address of each device is encoded
457  * in a single byte as follows:                    26  * in a single byte as follows:
458  *                                                 27  *
459  *      7:3 = slot                                 28  *      7:3 = slot
460  *      2:0 = function                             29  *      2:0 = function
461  */                                                30  */
462 #define PCI_DEVFN(slot,func)    ((((slot) & 0x !!  31 #define PCI_DEVFN(slot, func)   ((((slot) & 0x1f) << 3) | ((func) & 0x07))
463 #define PCI_SLOT(devfn)         (((devfn) >> 3     32 #define PCI_SLOT(devfn)         (((devfn) >> 3) & 0x1f)
464 #define PCI_FUNC(devfn)         ((devfn) & 0x0     33 #define PCI_FUNC(devfn)         ((devfn) & 0x07)
465                                                    34 
466 /* Ioctls for /proc/bus/pci/X/Y nodes. */          35 /* Ioctls for /proc/bus/pci/X/Y nodes. */
467 #define PCIIOC_BASE             ('P' << 24 | '     36 #define PCIIOC_BASE             ('P' << 24 | 'C' << 16 | 'I' << 8)
468 #define PCIIOC_CONTROLLER       (PCIIOC_BASE |     37 #define PCIIOC_CONTROLLER       (PCIIOC_BASE | 0x00)    /* Get controller for PCI device. */
469 #define PCIIOC_MMAP_IS_IO       (PCIIOC_BASE |     38 #define PCIIOC_MMAP_IS_IO       (PCIIOC_BASE | 0x01)    /* Set mmap state to I/O space. */
470 #define PCIIOC_MMAP_IS_MEM      (PCIIOC_BASE |     39 #define PCIIOC_MMAP_IS_MEM      (PCIIOC_BASE | 0x02)    /* Set mmap state to MEM space. */
471 #define PCIIOC_WRITE_COMBINE    (PCIIOC_BASE |     40 #define PCIIOC_WRITE_COMBINE    (PCIIOC_BASE | 0x03)    /* Enable/disable write-combining. */
472                                                    41 
473 #ifdef __KERNEL__                                  42 #ifdef __KERNEL__
474                                                    43 
                                                   >>  44 #include <linux/mod_devicetable.h>
                                                   >>  45 
475 #include <linux/types.h>                           46 #include <linux/types.h>
476 #include <linux/config.h>                      << 
477 #include <linux/ioport.h>                          47 #include <linux/ioport.h>
478 #include <linux/list.h>                            48 #include <linux/list.h>
                                                   >>  49 #include <linux/compiler.h>
479 #include <linux/errno.h>                           50 #include <linux/errno.h>
                                                   >>  51 #include <asm/atomic.h>
480 #include <linux/device.h>                          52 #include <linux/device.h>
481                                                    53 
                                                   >>  54 /* Include the ID list */
                                                   >>  55 #include <linux/pci_ids.h>
                                                   >>  56 
482 /* File state for mmap()s on /proc/bus/pci/X/Y     57 /* File state for mmap()s on /proc/bus/pci/X/Y */
483 enum pci_mmap_state {                              58 enum pci_mmap_state {
484         pci_mmap_io,                               59         pci_mmap_io,
485         pci_mmap_mem                               60         pci_mmap_mem
486 };                                                 61 };
487                                                    62 
488 /* This defines the direction arg to the DMA m     63 /* This defines the direction arg to the DMA mapping routines. */
489 #define PCI_DMA_BIDIRECTIONAL   0                  64 #define PCI_DMA_BIDIRECTIONAL   0
490 #define PCI_DMA_TODEVICE        1                  65 #define PCI_DMA_TODEVICE        1
491 #define PCI_DMA_FROMDEVICE      2                  66 #define PCI_DMA_FROMDEVICE      2
492 #define PCI_DMA_NONE            3                  67 #define PCI_DMA_NONE            3
493                                                    68 
494 #define DEVICE_COUNT_COMPATIBLE 4              << 
495 #define DEVICE_COUNT_RESOURCE   12                 69 #define DEVICE_COUNT_RESOURCE   12
496                                                    70 
497 typedef int __bitwise pci_power_t;                 71 typedef int __bitwise pci_power_t;
498                                                    72 
499 #define PCI_D0  ((pci_power_t __force) 0)      !!  73 #define PCI_D0          ((pci_power_t __force) 0)
500 #define PCI_D1  ((pci_power_t __force) 1)      !!  74 #define PCI_D1          ((pci_power_t __force) 1)
501 #define PCI_D2  ((pci_power_t __force) 2)      !!  75 #define PCI_D2          ((pci_power_t __force) 2)
502 #define PCI_D3hot       ((pci_power_t __force)     76 #define PCI_D3hot       ((pci_power_t __force) 3)
503 #define PCI_D3cold      ((pci_power_t __force)     77 #define PCI_D3cold      ((pci_power_t __force) 4)
                                                   >>  78 #define PCI_UNKNOWN     ((pci_power_t __force) 5)
                                                   >>  79 #define PCI_POWER_ERROR ((pci_power_t __force) -1)
                                                   >>  80 
                                                   >>  81 /** The pci_channel state describes connectivity between the CPU and
                                                   >>  82  *  the pci device.  If some PCI bus between here and the pci device
                                                   >>  83  *  has crashed or locked up, this info is reflected here.
                                                   >>  84  */
                                                   >>  85 typedef unsigned int __bitwise pci_channel_state_t;
                                                   >>  86 
                                                   >>  87 enum pci_channel_state {
                                                   >>  88         /* I/O channel is in normal state */
                                                   >>  89         pci_channel_io_normal = (__force pci_channel_state_t) 1,
                                                   >>  90 
                                                   >>  91         /* I/O to channel is blocked */
                                                   >>  92         pci_channel_io_frozen = (__force pci_channel_state_t) 2,
                                                   >>  93 
                                                   >>  94         /* PCI card is dead */
                                                   >>  95         pci_channel_io_perm_failure = (__force pci_channel_state_t) 3,
                                                   >>  96 };
                                                   >>  97 
                                                   >>  98 typedef unsigned int __bitwise pcie_reset_state_t;
                                                   >>  99 
                                                   >> 100 enum pcie_reset_state {
                                                   >> 101         /* Reset is NOT asserted (Use to deassert reset) */
                                                   >> 102         pcie_deassert_reset = (__force pcie_reset_state_t) 1,
                                                   >> 103 
                                                   >> 104         /* Use #PERST to reset PCI-E device */
                                                   >> 105         pcie_warm_reset = (__force pcie_reset_state_t) 2,
                                                   >> 106 
                                                   >> 107         /* Use PCI-E Hot Reset to reset device */
                                                   >> 108         pcie_hot_reset = (__force pcie_reset_state_t) 3
                                                   >> 109 };
                                                   >> 110 
                                                   >> 111 typedef unsigned short __bitwise pci_dev_flags_t;
                                                   >> 112 enum pci_dev_flags {
                                                   >> 113         /* INTX_DISABLE in PCI_COMMAND register disables MSI
                                                   >> 114          * generation too.
                                                   >> 115          */
                                                   >> 116         PCI_DEV_FLAGS_MSI_INTX_DISABLE_BUG = (__force pci_dev_flags_t) 1,
                                                   >> 117 };
                                                   >> 118 
                                                   >> 119 typedef unsigned short __bitwise pci_bus_flags_t;
                                                   >> 120 enum pci_bus_flags {
                                                   >> 121         PCI_BUS_FLAGS_NO_MSI   = (__force pci_bus_flags_t) 1,
                                                   >> 122         PCI_BUS_FLAGS_NO_MMRBC = (__force pci_bus_flags_t) 2,
                                                   >> 123 };
                                                   >> 124 
                                                   >> 125 struct pci_cap_saved_state {
                                                   >> 126         struct hlist_node next;
                                                   >> 127         char cap_nr;
                                                   >> 128         u32 data[0];
                                                   >> 129 };
504                                                   130 
505 /*                                                131 /*
506  * The pci_dev structure is used to describe P    132  * The pci_dev structure is used to describe PCI devices.
507  */                                               133  */
508 struct pci_dev {                                  134 struct pci_dev {
509         struct list_head global_list;   /* nod    135         struct list_head global_list;   /* node in list of all PCI devices */
510         struct list_head bus_list;      /* nod    136         struct list_head bus_list;      /* node in per-bus list */
511         struct pci_bus  *bus;           /* bus    137         struct pci_bus  *bus;           /* bus this device is on */
512         struct pci_bus  *subordinate;   /* bus    138         struct pci_bus  *subordinate;   /* bus this device bridges to */
513                                                   139 
514         void            *sysdata;       /* hoo    140         void            *sysdata;       /* hook for sys-specific extension */
515         struct proc_dir_entry *procent; /* dev    141         struct proc_dir_entry *procent; /* device entry in /proc/bus/pci */
516                                                   142 
517         unsigned int    devfn;          /* enc    143         unsigned int    devfn;          /* encoded device & function index */
518         unsigned short  vendor;                   144         unsigned short  vendor;
519         unsigned short  device;                   145         unsigned short  device;
520         unsigned short  subsystem_vendor;         146         unsigned short  subsystem_vendor;
521         unsigned short  subsystem_device;         147         unsigned short  subsystem_device;
522         unsigned int    class;          /* 3 b    148         unsigned int    class;          /* 3 bytes: (base,sub,prog-if) */
                                                   >> 149         u8              revision;       /* PCI revision, low byte of class word */
523         u8              hdr_type;       /* PCI    150         u8              hdr_type;       /* PCI header type (`multi' flag masked out) */
                                                   >> 151         u8              pcie_type;      /* PCI-E device/port type */
524         u8              rom_base_reg;   /* whi    152         u8              rom_base_reg;   /* which config register controls the ROM */
                                                   >> 153         u8              pin;            /* which interrupt pin this device uses */
525                                                   154 
526         struct pci_driver *driver;      /* whi    155         struct pci_driver *driver;      /* which driver has allocated this device */
527         u64             dma_mask;       /* Mas    156         u64             dma_mask;       /* Mask of the bits of bus address this
528                                            dev    157                                            device implements.  Normally this is
529                                            0xf    158                                            0xffffffff.  You only need to change
530                                            thi    159                                            this if your device has broken DMA
531                                            or     160                                            or supports 64-bit transfers.  */
532                                                   161 
                                                   >> 162         struct device_dma_parameters dma_parms;
                                                   >> 163 
533         pci_power_t     current_state;  /* Cur    164         pci_power_t     current_state;  /* Current operating state. In ACPI-speak,
534                                            thi    165                                            this is D0-D3, D0 being fully functional,
535                                            and    166                                            and D3 being off. */
536                                                   167 
                                                   >> 168         pci_channel_state_t error_state;        /* current connectivity state */
537         struct  device  dev;            /* Gen    169         struct  device  dev;            /* Generic device interface */
538                                                   170 
539         /* device is compatible with these IDs << 
540         unsigned short vendor_compatible[DEVIC << 
541         unsigned short device_compatible[DEVIC << 
542                                                << 
543         int             cfg_size;       /* Siz    171         int             cfg_size;       /* Size of configuration space */
544                                                   172 
545         /*                                        173         /*
546          * Instead of touching interrupt line     174          * Instead of touching interrupt line and base address registers
547          * directly, use the values stored her    175          * directly, use the values stored here. They might be different!
548          */                                       176          */
549         unsigned int    irq;                      177         unsigned int    irq;
550         struct resource resource[DEVICE_COUNT_    178         struct resource resource[DEVICE_COUNT_RESOURCE]; /* I/O and memory regions + expansion ROMs */
551                                                   179 
552         char *          slot_name;      /* poi << 
553                                                << 
554         /* These fields are used by common fix    180         /* These fields are used by common fixups */
555         unsigned int    transparent:1;  /* Tra    181         unsigned int    transparent:1;  /* Transparent PCI bridge */
556         unsigned int    multifunction:1;/* Par    182         unsigned int    multifunction:1;/* Part of multi-function device */
557         /* keep track of device state */          183         /* keep track of device state */
558         unsigned int    is_enabled:1;   /* pci << 
559         unsigned int    is_busmaster:1; /* dev    184         unsigned int    is_busmaster:1; /* device is busmaster */
560                                                !! 185         unsigned int    no_msi:1;       /* device may not use msi */
                                                   >> 186         unsigned int    no_d1d2:1;   /* only allow d0 or d3 */
                                                   >> 187         unsigned int    block_ucfg_access:1;    /* userspace config space access is blocked */
                                                   >> 188         unsigned int    broken_parity_status:1; /* Device generates false positive parity */
                                                   >> 189         unsigned int    msi_enabled:1;
                                                   >> 190         unsigned int    msix_enabled:1;
                                                   >> 191         unsigned int    is_managed:1;
                                                   >> 192         unsigned int    is_pcie:1;
                                                   >> 193         int             cached_capabilities[PCI_CAP_LIST_NR_ENTRIES]; /* See pci_find_capability_cached */
                                                   >> 194         pci_dev_flags_t dev_flags;
                                                   >> 195         atomic_t        enable_cnt;     /* pci_enable_device has been called */
                                                   >> 196 
561         u32             saved_config_space[16]    197         u32             saved_config_space[16]; /* config space saved at suspend time */
                                                   >> 198         struct hlist_head saved_cap_space;
562         struct bin_attribute *rom_attr; /* att    199         struct bin_attribute *rom_attr; /* attribute descriptor for sysfs ROM entry */
563         int rom_attr_enabled;           /* has    200         int rom_attr_enabled;           /* has display of the rom attribute been enabled? */
564         struct bin_attribute *res_attr[DEVICE_    201         struct bin_attribute *res_attr[DEVICE_COUNT_RESOURCE]; /* sysfs file for resources */
565 #ifdef CONFIG_PCI_NAMES                        !! 202 #ifdef CONFIG_PCI_MSI
566 #define PCI_NAME_SIZE   96                     !! 203         struct list_head msi_list;
567 #define PCI_NAME_HALF   __stringify(43) /* les << 
568         char            pretty_name[PCI_NAME_S << 
569 #endif                                            204 #endif
570 };                                                205 };
571                                                   206 
                                                   >> 207 extern struct pci_dev *alloc_pci_dev(void);
                                                   >> 208 
572 #define pci_dev_g(n) list_entry(n, struct pci_    209 #define pci_dev_g(n) list_entry(n, struct pci_dev, global_list)
573 #define pci_dev_b(n) list_entry(n, struct pci_    210 #define pci_dev_b(n) list_entry(n, struct pci_dev, bus_list)
574 #define to_pci_dev(n) container_of(n, struct p    211 #define to_pci_dev(n) container_of(n, struct pci_dev, dev)
575 #define for_each_pci_dev(d) while ((d = pci_ge    212 #define for_each_pci_dev(d) while ((d = pci_get_device(PCI_ANY_ID, PCI_ANY_ID, d)) != NULL)
576                                                   213 
                                                   >> 214 static inline int pci_channel_offline(struct pci_dev *pdev)
                                                   >> 215 {
                                                   >> 216         return (pdev->error_state != pci_channel_io_normal);
                                                   >> 217 }
                                                   >> 218 
                                                   >> 219 static inline struct pci_cap_saved_state *pci_find_saved_cap(
                                                   >> 220         struct pci_dev *pci_dev, char cap)
                                                   >> 221 {
                                                   >> 222         struct pci_cap_saved_state *tmp;
                                                   >> 223         struct hlist_node *pos;
                                                   >> 224 
                                                   >> 225         hlist_for_each_entry(tmp, pos, &pci_dev->saved_cap_space, next) {
                                                   >> 226                 if (tmp->cap_nr == cap)
                                                   >> 227                         return tmp;
                                                   >> 228         }
                                                   >> 229         return NULL;
                                                   >> 230 }
                                                   >> 231 
                                                   >> 232 static inline void pci_add_saved_cap(struct pci_dev *pci_dev,
                                                   >> 233         struct pci_cap_saved_state *new_cap)
                                                   >> 234 {
                                                   >> 235         hlist_add_head(&new_cap->next, &pci_dev->saved_cap_space);
                                                   >> 236 }
                                                   >> 237 
577 /*                                                238 /*
578  *  For PCI devices, the region numbers are as    239  *  For PCI devices, the region numbers are assigned this way:
579  *                                                240  *
580  *      0-5     standard PCI regions              241  *      0-5     standard PCI regions
581  *      6       expansion ROM                     242  *      6       expansion ROM
582  *      7-10    bridges: address space assigne    243  *      7-10    bridges: address space assigned to buses behind the bridge
583  */                                               244  */
584                                                   245 
585 #define PCI_ROM_RESOURCE 6                     !! 246 #define PCI_ROM_RESOURCE        6
586 #define PCI_BRIDGE_RESOURCES 7                 !! 247 #define PCI_BRIDGE_RESOURCES    7
587 #define PCI_NUM_RESOURCES 11                   !! 248 #define PCI_NUM_RESOURCES       11
588                                                   249 
589 #ifndef PCI_BUS_NUM_RESOURCES                     250 #ifndef PCI_BUS_NUM_RESOURCES
590 #define PCI_BUS_NUM_RESOURCES 4                !! 251 #define PCI_BUS_NUM_RESOURCES   8
591 #endif                                            252 #endif
592                                                !! 253 
593 #define PCI_REGION_FLAG_MASK 0x0fU      /* The !! 254 #define PCI_REGION_FLAG_MASK    0x0fU   /* These bits of resource flags tell us the PCI region flags */
594                                                   255 
595 struct pci_bus {                                  256 struct pci_bus {
596         struct list_head node;          /* nod    257         struct list_head node;          /* node in list of buses */
597         struct pci_bus  *parent;        /* par    258         struct pci_bus  *parent;        /* parent bus this bridge is on */
598         struct list_head children;      /* lis    259         struct list_head children;      /* list of child buses */
599         struct list_head devices;       /* lis    260         struct list_head devices;       /* list of devices on this bus */
600         struct pci_dev  *self;          /* bri    261         struct pci_dev  *self;          /* bridge device as seen by parent */
601         struct resource *resource[PCI_BUS_NUM_    262         struct resource *resource[PCI_BUS_NUM_RESOURCES];
602                                         /* add    263                                         /* address space routed to this bus */
603                                                   264 
604         struct pci_ops  *ops;           /* con    265         struct pci_ops  *ops;           /* configuration access functions */
605         void            *sysdata;       /* hoo    266         void            *sysdata;       /* hook for sys-specific extension */
606         struct proc_dir_entry *procdir; /* dir    267         struct proc_dir_entry *procdir; /* directory entry in /proc/bus/pci */
607                                                   268 
608         unsigned char   number;         /* bus    269         unsigned char   number;         /* bus number */
609         unsigned char   primary;        /* num    270         unsigned char   primary;        /* number of primary bridge */
610         unsigned char   secondary;      /* num    271         unsigned char   secondary;      /* number of secondary bridge */
611         unsigned char   subordinate;    /* max    272         unsigned char   subordinate;    /* max number of subordinate buses */
612                                                   273 
613         char            name[48];                 274         char            name[48];
614                                                   275 
615         unsigned short  bridge_ctl;     /* man    276         unsigned short  bridge_ctl;     /* manage NO_ISA/FBB/et al behaviors */
616         unsigned short  pad2;                  !! 277         pci_bus_flags_t bus_flags;      /* Inherited by child busses */
617         struct device           *bridge;          278         struct device           *bridge;
618         struct class_device     class_dev;     !! 279         struct device           dev;
619         struct bin_attribute    *legacy_io; /*    280         struct bin_attribute    *legacy_io; /* legacy I/O for this bus */
620         struct bin_attribute    *legacy_mem; /    281         struct bin_attribute    *legacy_mem; /* legacy mem */
                                                   >> 282         unsigned int            is_added:1;
621 };                                                283 };
622                                                   284 
623 #define pci_bus_b(n)    list_entry(n, struct p    285 #define pci_bus_b(n)    list_entry(n, struct pci_bus, node)
624 #define to_pci_bus(n)   container_of(n, struct !! 286 #define to_pci_bus(n)   container_of(n, struct pci_bus, dev)
625                                                   287 
626 /*                                                288 /*
627  * Error values that may be returned by PCI fu    289  * Error values that may be returned by PCI functions.
628  */                                               290  */
629 #define PCIBIOS_SUCCESSFUL              0x00      291 #define PCIBIOS_SUCCESSFUL              0x00
630 #define PCIBIOS_FUNC_NOT_SUPPORTED      0x81      292 #define PCIBIOS_FUNC_NOT_SUPPORTED      0x81
631 #define PCIBIOS_BAD_VENDOR_ID           0x83      293 #define PCIBIOS_BAD_VENDOR_ID           0x83
632 #define PCIBIOS_DEVICE_NOT_FOUND        0x86      294 #define PCIBIOS_DEVICE_NOT_FOUND        0x86
633 #define PCIBIOS_BAD_REGISTER_NUMBER     0x87      295 #define PCIBIOS_BAD_REGISTER_NUMBER     0x87
634 #define PCIBIOS_SET_FAILED              0x88      296 #define PCIBIOS_SET_FAILED              0x88
635 #define PCIBIOS_BUFFER_TOO_SMALL        0x89      297 #define PCIBIOS_BUFFER_TOO_SMALL        0x89
636                                                   298 
637 /* Low-level architecture-dependent routines *    299 /* Low-level architecture-dependent routines */
638                                                   300 
639 struct pci_ops {                                  301 struct pci_ops {
640         int (*read)(struct pci_bus *bus, unsig    302         int (*read)(struct pci_bus *bus, unsigned int devfn, int where, int size, u32 *val);
641         int (*write)(struct pci_bus *bus, unsi    303         int (*write)(struct pci_bus *bus, unsigned int devfn, int where, int size, u32 val);
642 };                                                304 };
643                                                   305 
644 struct pci_raw_ops {                           !! 306 /*
645         int (*read)(int dom, int bus, int devf !! 307  * ACPI needs to be able to access PCI config space before we've done a
646         int (*write)(int dom, int bus, int dev !! 308  * PCI bus scan and created pci_bus structures.
647 };                                             !! 309  */
648                                                !! 310 extern int raw_pci_read(unsigned int domain, unsigned int bus,
649 extern struct pci_raw_ops *raw_pci_ops;        !! 311                         unsigned int devfn, int reg, int len, u32 *val);
                                                   >> 312 extern int raw_pci_write(unsigned int domain, unsigned int bus,
                                                   >> 313                         unsigned int devfn, int reg, int len, u32 val);
650                                                   314 
651 struct pci_bus_region {                           315 struct pci_bus_region {
652         unsigned long start;                   !! 316         resource_size_t start;
653         unsigned long end;                     !! 317         resource_size_t end;
654 };                                                318 };
655                                                   319 
656 struct pci_dynids {                               320 struct pci_dynids {
657         spinlock_t lock;            /* protect    321         spinlock_t lock;            /* protects list, index */
658         struct list_head list;      /* for IDs    322         struct list_head list;      /* for IDs added at runtime */
659         unsigned int use_driver_data:1; /* pci    323         unsigned int use_driver_data:1; /* pci_driver->driver_data is used */
660 };                                                324 };
661                                                   325 
                                                   >> 326 /* ---------------------------------------------------------------- */
                                                   >> 327 /** PCI Error Recovery System (PCI-ERS).  If a PCI device driver provides
                                                   >> 328  *  a set of callbacks in struct pci_error_handlers, then that device driver
                                                   >> 329  *  will be notified of PCI bus errors, and will be driven to recovery
                                                   >> 330  *  when an error occurs.
                                                   >> 331  */
                                                   >> 332 
                                                   >> 333 typedef unsigned int __bitwise pci_ers_result_t;
                                                   >> 334 
                                                   >> 335 enum pci_ers_result {
                                                   >> 336         /* no result/none/not supported in device driver */
                                                   >> 337         PCI_ERS_RESULT_NONE = (__force pci_ers_result_t) 1,
                                                   >> 338 
                                                   >> 339         /* Device driver can recover without slot reset */
                                                   >> 340         PCI_ERS_RESULT_CAN_RECOVER = (__force pci_ers_result_t) 2,
                                                   >> 341 
                                                   >> 342         /* Device driver wants slot to be reset. */
                                                   >> 343         PCI_ERS_RESULT_NEED_RESET = (__force pci_ers_result_t) 3,
                                                   >> 344 
                                                   >> 345         /* Device has completely failed, is unrecoverable */
                                                   >> 346         PCI_ERS_RESULT_DISCONNECT = (__force pci_ers_result_t) 4,
                                                   >> 347 
                                                   >> 348         /* Device driver is fully recovered and operational */
                                                   >> 349         PCI_ERS_RESULT_RECOVERED = (__force pci_ers_result_t) 5,
                                                   >> 350 };
                                                   >> 351 
                                                   >> 352 /* PCI bus error event callbacks */
                                                   >> 353 struct pci_error_handlers {
                                                   >> 354         /* PCI bus error detected on this device */
                                                   >> 355         pci_ers_result_t (*error_detected)(struct pci_dev *dev,
                                                   >> 356                                            enum pci_channel_state error);
                                                   >> 357 
                                                   >> 358         /* MMIO has been re-enabled, but not DMA */
                                                   >> 359         pci_ers_result_t (*mmio_enabled)(struct pci_dev *dev);
                                                   >> 360 
                                                   >> 361         /* PCI Express link has been reset */
                                                   >> 362         pci_ers_result_t (*link_reset)(struct pci_dev *dev);
                                                   >> 363 
                                                   >> 364         /* PCI slot has been reset */
                                                   >> 365         pci_ers_result_t (*slot_reset)(struct pci_dev *dev);
                                                   >> 366 
                                                   >> 367         /* Device driver may resume normal operations */
                                                   >> 368         void (*resume)(struct pci_dev *dev);
                                                   >> 369 };
                                                   >> 370 
                                                   >> 371 /* ---------------------------------------------------------------- */
                                                   >> 372 
662 struct module;                                    373 struct module;
663 struct pci_driver {                               374 struct pci_driver {
664         struct list_head node;                    375         struct list_head node;
665         char *name;                               376         char *name;
666         struct module *owner;                  << 
667         const struct pci_device_id *id_table;     377         const struct pci_device_id *id_table;   /* must be non-NULL for probe to be called */
668         int  (*probe)  (struct pci_dev *dev, c    378         int  (*probe)  (struct pci_dev *dev, const struct pci_device_id *id);   /* New device inserted */
669         void (*remove) (struct pci_dev *dev);     379         void (*remove) (struct pci_dev *dev);   /* Device removed (NULL if not a hot-plug capable driver) */
670         int  (*suspend) (struct pci_dev *dev,     380         int  (*suspend) (struct pci_dev *dev, pm_message_t state);      /* Device suspended */
                                                   >> 381         int  (*suspend_late) (struct pci_dev *dev, pm_message_t state);
                                                   >> 382         int  (*resume_early) (struct pci_dev *dev);
671         int  (*resume) (struct pci_dev *dev);     383         int  (*resume) (struct pci_dev *dev);                   /* Device woken up */
672         int  (*enable_wake) (struct pci_dev *d !! 384         void (*shutdown) (struct pci_dev *dev);
673                                                   385 
                                                   >> 386         struct pci_error_handlers *err_handler;
674         struct device_driver    driver;           387         struct device_driver    driver;
675         struct pci_dynids dynids;                 388         struct pci_dynids dynids;
676 };                                                389 };
677                                                   390 
678 #define to_pci_driver(drv) container_of(drv,st !! 391 #define to_pci_driver(drv) container_of(drv, struct pci_driver, driver)
                                                   >> 392 
                                                   >> 393 /**
                                                   >> 394  * DEFINE_PCI_DEVICE_TABLE - macro used to describe a pci device table
                                                   >> 395  * @_table: device table name
                                                   >> 396  *
                                                   >> 397  * This macro is used to create a struct pci_device_id array (a device table)
                                                   >> 398  * in a generic manner.
                                                   >> 399  */
                                                   >> 400 #define DEFINE_PCI_DEVICE_TABLE(_table) \
                                                   >> 401         const struct pci_device_id _table[] __devinitconst
679                                                   402 
680 /**                                               403 /**
681  * PCI_DEVICE - macro used to describe a speci    404  * PCI_DEVICE - macro used to describe a specific pci device
682  * @vend: the 16 bit PCI Vendor ID                405  * @vend: the 16 bit PCI Vendor ID
683  * @dev: the 16 bit PCI Device ID                 406  * @dev: the 16 bit PCI Device ID
684  *                                                407  *
685  * This macro is used to create a struct pci_d    408  * This macro is used to create a struct pci_device_id that matches a
686  * specific device.  The subvendor and subdevi    409  * specific device.  The subvendor and subdevice fields will be set to
687  * PCI_ANY_ID.                                    410  * PCI_ANY_ID.
688  */                                               411  */
689 #define PCI_DEVICE(vend,dev) \                    412 #define PCI_DEVICE(vend,dev) \
690         .vendor = (vend), .device = (dev), \      413         .vendor = (vend), .device = (dev), \
691         .subvendor = PCI_ANY_ID, .subdevice =     414         .subvendor = PCI_ANY_ID, .subdevice = PCI_ANY_ID
692                                                   415 
693 /**                                               416 /**
694  * PCI_DEVICE_CLASS - macro used to describe a    417  * PCI_DEVICE_CLASS - macro used to describe a specific pci device class
695  * @dev_class: the class, subclass, prog-if tr    418  * @dev_class: the class, subclass, prog-if triple for this device
696  * @dev_class_mask: the class mask for this de    419  * @dev_class_mask: the class mask for this device
697  *                                                420  *
698  * This macro is used to create a struct pci_d    421  * This macro is used to create a struct pci_device_id that matches a
699  * specific PCI class.  The vendor, device, su !! 422  * specific PCI class.  The vendor, device, subvendor, and subdevice
700  * fields will be set to PCI_ANY_ID.              423  * fields will be set to PCI_ANY_ID.
701  */                                               424  */
702 #define PCI_DEVICE_CLASS(dev_class,dev_class_m    425 #define PCI_DEVICE_CLASS(dev_class,dev_class_mask) \
703         .class = (dev_class), .class_mask = (d    426         .class = (dev_class), .class_mask = (dev_class_mask), \
704         .vendor = PCI_ANY_ID, .device = PCI_AN    427         .vendor = PCI_ANY_ID, .device = PCI_ANY_ID, \
705         .subvendor = PCI_ANY_ID, .subdevice =     428         .subvendor = PCI_ANY_ID, .subdevice = PCI_ANY_ID
706                                                   429 
707 /*                                             !! 430 /**
708  * pci_module_init is obsolete, this stays her !! 431  * PCI_VDEVICE - macro used to describe a specific pci device in short form
709  * in the tree.                                !! 432  * @vend: the vendor name
                                                   >> 433  * @dev: the 16 bit PCI Device ID
                                                   >> 434  *
                                                   >> 435  * This macro is used to create a struct pci_device_id that matches a
                                                   >> 436  * specific PCI device.  The subvendor, and subdevice fields will be set
                                                   >> 437  * to PCI_ANY_ID. The macro allows the next field to follow as the device
                                                   >> 438  * private data.
710  */                                               439  */
711 #define pci_module_init pci_register_driver    !! 440 
                                                   >> 441 #define PCI_VDEVICE(vendor, device)             \
                                                   >> 442         PCI_VENDOR_ID_##vendor, (device),       \
                                                   >> 443         PCI_ANY_ID, PCI_ANY_ID, 0, 0
712                                                   444 
713 /* these external functions are only available    445 /* these external functions are only available when PCI support is enabled */
714 #ifdef CONFIG_PCI                                 446 #ifdef CONFIG_PCI
715                                                   447 
716 extern struct bus_type pci_bus_type;              448 extern struct bus_type pci_bus_type;
717                                                   449 
718 /* Do NOT directly access these two variables,    450 /* Do NOT directly access these two variables, unless you are arch specific pci
719  * code, or pci core code. */                     451  * code, or pci core code. */
720 extern struct list_head pci_root_buses; /* lis    452 extern struct list_head pci_root_buses; /* list of all known PCI buses */
721 extern struct list_head pci_devices;    /* lis    453 extern struct list_head pci_devices;    /* list of all devices */
                                                   >> 454 /* Some device drivers need know if pci is initiated */
                                                   >> 455 extern int no_pci_devices(void);
722                                                   456 
723 void pcibios_fixup_bus(struct pci_bus *);         457 void pcibios_fixup_bus(struct pci_bus *);
724 int pcibios_enable_device(struct pci_dev *, in !! 458 int __must_check pcibios_enable_device(struct pci_dev *, int mask);
725 char *pcibios_setup (char *str);               !! 459 char *pcibios_setup(char *str);
726                                                   460 
727 /* Used only when drivers/pci/setup.c is used     461 /* Used only when drivers/pci/setup.c is used */
728 void pcibios_align_resource(void *, struct res !! 462 void pcibios_align_resource(void *, struct resource *, resource_size_t,
729                             unsigned long, uns !! 463                                 resource_size_t);
730 void pcibios_update_irq(struct pci_dev *, int     464 void pcibios_update_irq(struct pci_dev *, int irq);
731                                                   465 
732 /* Generic PCI functions used internally */       466 /* Generic PCI functions used internally */
733                                                   467 
734 extern struct pci_bus *pci_find_bus(int domain    468 extern struct pci_bus *pci_find_bus(int domain, int busnr);
735 struct pci_bus *pci_scan_bus_parented(struct d !! 469 void pci_bus_add_devices(struct pci_bus *bus);
736 static inline struct pci_bus *pci_scan_bus(int !! 470 struct pci_bus *pci_scan_bus_parented(struct device *parent, int bus,
                                                   >> 471                                       struct pci_ops *ops, void *sysdata);
                                                   >> 472 static inline struct pci_bus *pci_scan_bus(int bus, struct pci_ops *ops,
                                                   >> 473                                            void *sysdata)
737 {                                                 474 {
738         return pci_scan_bus_parented(NULL, bus !! 475         struct pci_bus *root_bus;
                                                   >> 476         root_bus = pci_scan_bus_parented(NULL, bus, ops, sysdata);
                                                   >> 477         if (root_bus)
                                                   >> 478                 pci_bus_add_devices(root_bus);
                                                   >> 479         return root_bus;
739 }                                                 480 }
                                                   >> 481 struct pci_bus *pci_create_bus(struct device *parent, int bus,
                                                   >> 482                                struct pci_ops *ops, void *sysdata);
                                                   >> 483 struct pci_bus *pci_add_new_bus(struct pci_bus *parent, struct pci_dev *dev,
                                                   >> 484                                 int busnr);
740 int pci_scan_slot(struct pci_bus *bus, int dev    485 int pci_scan_slot(struct pci_bus *bus, int devfn);
741 struct pci_dev * pci_scan_single_device(struct !! 486 struct pci_dev *pci_scan_single_device(struct pci_bus *bus, int devfn);
                                                   >> 487 void pci_device_add(struct pci_dev *dev, struct pci_bus *bus);
742 unsigned int pci_scan_child_bus(struct pci_bus    488 unsigned int pci_scan_child_bus(struct pci_bus *bus);
743 void pci_bus_add_device(struct pci_dev *dev);  !! 489 int __must_check pci_bus_add_device(struct pci_dev *dev);
744 void pci_bus_add_devices(struct pci_bus *bus); << 
745 void pci_name_device(struct pci_dev *dev);     << 
746 char *pci_class_name(u32 class);               << 
747 void pci_read_bridge_bases(struct pci_bus *chi    490 void pci_read_bridge_bases(struct pci_bus *child);
748 struct resource *pci_find_parent_resource(cons !! 491 struct resource *pci_find_parent_resource(const struct pci_dev *dev,
                                                   >> 492                                           struct resource *res);
749 int pci_get_interrupt_pin(struct pci_dev *dev,    493 int pci_get_interrupt_pin(struct pci_dev *dev, struct pci_dev **bridge);
750 extern struct pci_dev *pci_dev_get(struct pci_    494 extern struct pci_dev *pci_dev_get(struct pci_dev *dev);
751 extern void pci_dev_put(struct pci_dev *dev);     495 extern void pci_dev_put(struct pci_dev *dev);
752 extern void pci_remove_bus(struct pci_bus *b);    496 extern void pci_remove_bus(struct pci_bus *b);
753 extern void pci_remove_bus_device(struct pci_d    497 extern void pci_remove_bus_device(struct pci_dev *dev);
                                                   >> 498 extern void pci_stop_bus_device(struct pci_dev *dev);
                                                   >> 499 void pci_setup_cardbus(struct pci_bus *bus);
                                                   >> 500 extern void pci_sort_breadthfirst(void);
754                                                   501 
755 /* Generic PCI functions exported to card driv    502 /* Generic PCI functions exported to card drivers */
756                                                   503 
757 struct pci_dev *pci_find_device (unsigned int  !! 504 #ifdef CONFIG_PCI_LEGACY
758 struct pci_dev *pci_find_device_reverse (unsig !! 505 struct pci_dev __deprecated *pci_find_device(unsigned int vendor,
759 struct pci_dev *pci_find_slot (unsigned int bu !! 506                                              unsigned int device,
760 int pci_find_capability (struct pci_dev *dev,  !! 507                                              const struct pci_dev *from);
761 int pci_find_ext_capability (struct pci_dev *d !! 508 struct pci_dev __deprecated *pci_find_slot(unsigned int bus,
762 struct pci_bus * pci_find_next_bus(const struc !! 509                                            unsigned int devfn);
                                                   >> 510 #endif /* CONFIG_PCI_LEGACY */
                                                   >> 511 
                                                   >> 512 int pci_find_capability(struct pci_dev *dev, int cap);
                                                   >> 513 int pci_find_capability_cached(struct pci_dev *dev, int cap);
                                                   >> 514 int pci_find_next_capability(struct pci_dev *dev, u8 pos, int cap);
                                                   >> 515 int pci_find_ext_capability(struct pci_dev *dev, int cap);
                                                   >> 516 int pci_find_ht_capability(struct pci_dev *dev, int ht_cap);
                                                   >> 517 int pci_find_next_ht_capability(struct pci_dev *dev, int pos, int ht_cap);
                                                   >> 518 struct pci_bus *pci_find_next_bus(const struct pci_bus *from);
763                                                   519 
764 struct pci_dev *pci_get_device (unsigned int v !! 520 struct pci_dev *pci_get_device(unsigned int vendor, unsigned int device,
765 struct pci_dev *pci_get_subsys (unsigned int v !! 521                                 struct pci_dev *from);
                                                   >> 522 struct pci_dev *pci_get_device_reverse(unsigned int vendor, unsigned int device,
                                                   >> 523                                 struct pci_dev *from);
                                                   >> 524 
                                                   >> 525 struct pci_dev *pci_get_subsys(unsigned int vendor, unsigned int device,
766                                 unsigned int s    526                                 unsigned int ss_vendor, unsigned int ss_device,
767                                 struct pci_dev    527                                 struct pci_dev *from);
768 struct pci_dev *pci_get_slot (struct pci_bus * !! 528 struct pci_dev *pci_get_slot(struct pci_bus *bus, unsigned int devfn);
769 struct pci_dev *pci_get_class (unsigned int cl !! 529 struct pci_dev *pci_get_bus_and_slot(unsigned int bus, unsigned int devfn);
                                                   >> 530 struct pci_dev *pci_get_class(unsigned int class, struct pci_dev *from);
770 int pci_dev_present(const struct pci_device_id    531 int pci_dev_present(const struct pci_device_id *ids);
                                                   >> 532 const struct pci_device_id *pci_find_present(const struct pci_device_id *ids);
771                                                   533 
772 int pci_bus_read_config_byte (struct pci_bus * !! 534 int pci_bus_read_config_byte(struct pci_bus *bus, unsigned int devfn,
773 int pci_bus_read_config_word (struct pci_bus * !! 535                              int where, u8 *val);
774 int pci_bus_read_config_dword (struct pci_bus  !! 536 int pci_bus_read_config_word(struct pci_bus *bus, unsigned int devfn,
775 int pci_bus_write_config_byte (struct pci_bus  !! 537                              int where, u16 *val);
776 int pci_bus_write_config_word (struct pci_bus  !! 538 int pci_bus_read_config_dword(struct pci_bus *bus, unsigned int devfn,
777 int pci_bus_write_config_dword (struct pci_bus !! 539                               int where, u32 *val);
                                                   >> 540 int pci_bus_write_config_byte(struct pci_bus *bus, unsigned int devfn,
                                                   >> 541                               int where, u8 val);
                                                   >> 542 int pci_bus_write_config_word(struct pci_bus *bus, unsigned int devfn,
                                                   >> 543                               int where, u16 val);
                                                   >> 544 int pci_bus_write_config_dword(struct pci_bus *bus, unsigned int devfn,
                                                   >> 545                                int where, u32 val);
778                                                   546 
779 static inline int pci_read_config_byte(struct     547 static inline int pci_read_config_byte(struct pci_dev *dev, int where, u8 *val)
780 {                                                 548 {
781         return pci_bus_read_config_byte (dev-> !! 549         return pci_bus_read_config_byte(dev->bus, dev->devfn, where, val);
782 }                                                 550 }
783 static inline int pci_read_config_word(struct     551 static inline int pci_read_config_word(struct pci_dev *dev, int where, u16 *val)
784 {                                                 552 {
785         return pci_bus_read_config_word (dev-> !! 553         return pci_bus_read_config_word(dev->bus, dev->devfn, where, val);
786 }                                                 554 }
787 static inline int pci_read_config_dword(struct !! 555 static inline int pci_read_config_dword(struct pci_dev *dev, int where,
                                                   >> 556                                         u32 *val)
788 {                                                 557 {
789         return pci_bus_read_config_dword (dev- !! 558         return pci_bus_read_config_dword(dev->bus, dev->devfn, where, val);
790 }                                                 559 }
791 static inline int pci_write_config_byte(struct    560 static inline int pci_write_config_byte(struct pci_dev *dev, int where, u8 val)
792 {                                                 561 {
793         return pci_bus_write_config_byte (dev- !! 562         return pci_bus_write_config_byte(dev->bus, dev->devfn, where, val);
794 }                                                 563 }
795 static inline int pci_write_config_word(struct    564 static inline int pci_write_config_word(struct pci_dev *dev, int where, u16 val)
796 {                                                 565 {
797         return pci_bus_write_config_word (dev- !! 566         return pci_bus_write_config_word(dev->bus, dev->devfn, where, val);
                                                   >> 567 }
                                                   >> 568 static inline int pci_write_config_dword(struct pci_dev *dev, int where,
                                                   >> 569                                          u32 val)
                                                   >> 570 {
                                                   >> 571         return pci_bus_write_config_dword(dev->bus, dev->devfn, where, val);
798 }                                                 572 }
799 static inline int pci_write_config_dword(struc !! 573 
                                                   >> 574 int __must_check pci_enable_device(struct pci_dev *dev);
                                                   >> 575 int __must_check pci_enable_device_io(struct pci_dev *dev);
                                                   >> 576 int __must_check pci_enable_device_mem(struct pci_dev *dev);
                                                   >> 577 int __must_check pci_reenable_device(struct pci_dev *);
                                                   >> 578 int __must_check pcim_enable_device(struct pci_dev *pdev);
                                                   >> 579 void pcim_pin_device(struct pci_dev *pdev);
                                                   >> 580 
                                                   >> 581 static inline int pci_is_managed(struct pci_dev *pdev)
800 {                                                 582 {
801         return pci_bus_write_config_dword (dev !! 583         return pdev->is_managed;
802 }                                                 584 }
803                                                   585 
804 int pci_enable_device(struct pci_dev *dev);    << 
805 int pci_enable_device_bars(struct pci_dev *dev << 
806 void pci_disable_device(struct pci_dev *dev);     586 void pci_disable_device(struct pci_dev *dev);
807 void pci_set_master(struct pci_dev *dev);         587 void pci_set_master(struct pci_dev *dev);
                                                   >> 588 int pci_set_pcie_reset_state(struct pci_dev *dev, enum pcie_reset_state state);
808 #define HAVE_PCI_SET_MWI                          589 #define HAVE_PCI_SET_MWI
809 int pci_set_mwi(struct pci_dev *dev);          !! 590 int __must_check pci_set_mwi(struct pci_dev *dev);
                                                   >> 591 int pci_try_set_mwi(struct pci_dev *dev);
810 void pci_clear_mwi(struct pci_dev *dev);          592 void pci_clear_mwi(struct pci_dev *dev);
                                                   >> 593 void pci_intx(struct pci_dev *dev, int enable);
                                                   >> 594 void pci_msi_off(struct pci_dev *dev);
811 int pci_set_dma_mask(struct pci_dev *dev, u64     595 int pci_set_dma_mask(struct pci_dev *dev, u64 mask);
812 int pci_dac_set_dma_mask(struct pci_dev *dev,  << 
813 int pci_set_consistent_dma_mask(struct pci_dev    596 int pci_set_consistent_dma_mask(struct pci_dev *dev, u64 mask);
814 int pci_assign_resource(struct pci_dev *dev, i !! 597 int pci_set_dma_max_seg_size(struct pci_dev *dev, unsigned int size);
                                                   >> 598 int pci_set_dma_seg_boundary(struct pci_dev *dev, unsigned long mask);
                                                   >> 599 int pcix_get_max_mmrbc(struct pci_dev *dev);
                                                   >> 600 int pcix_get_mmrbc(struct pci_dev *dev);
                                                   >> 601 int pcix_set_mmrbc(struct pci_dev *dev, int mmrbc);
                                                   >> 602 int pcie_get_readrq(struct pci_dev *dev);
                                                   >> 603 int pcie_set_readrq(struct pci_dev *dev, int rq);
                                                   >> 604 void pci_update_resource(struct pci_dev *dev, struct resource *res, int resno);
                                                   >> 605 int __must_check pci_assign_resource(struct pci_dev *dev, int i);
                                                   >> 606 int __must_check pci_assign_resource_fixed(struct pci_dev *dev, int i);
                                                   >> 607 int pci_select_bars(struct pci_dev *dev, unsigned long flags);
815                                                   608 
816 /* ROM control related routines */                609 /* ROM control related routines */
817 void __iomem *pci_map_rom(struct pci_dev *pdev !! 610 void __iomem __must_check *pci_map_rom(struct pci_dev *pdev, size_t *size);
818 void __iomem *pci_map_rom_copy(struct pci_dev  << 
819 void pci_unmap_rom(struct pci_dev *pdev, void     611 void pci_unmap_rom(struct pci_dev *pdev, void __iomem *rom);
820 void pci_remove_rom(struct pci_dev *pdev);     !! 612 size_t pci_get_rom_size(void __iomem *rom, size_t size);
821                                                   613 
822 /* Power management related routines */           614 /* Power management related routines */
823 int pci_save_state(struct pci_dev *dev);          615 int pci_save_state(struct pci_dev *dev);
824 int pci_restore_state(struct pci_dev *dev);       616 int pci_restore_state(struct pci_dev *dev);
825 int pci_set_power_state(struct pci_dev *dev, p    617 int pci_set_power_state(struct pci_dev *dev, pci_power_t state);
826 pci_power_t pci_choose_state(struct pci_dev *d    618 pci_power_t pci_choose_state(struct pci_dev *dev, pm_message_t state);
827 int pci_enable_wake(struct pci_dev *dev, pci_p    619 int pci_enable_wake(struct pci_dev *dev, pci_power_t state, int enable);
828                                                   620 
                                                   >> 621 /* Functions for PCI Hotplug drivers to use */
                                                   >> 622 int pci_bus_find_capability(struct pci_bus *bus, unsigned int devfn, int cap);
                                                   >> 623 
829 /* Helper functions for low-level code (driver    624 /* Helper functions for low-level code (drivers/pci/setup-[bus,res].c) */
830 void pci_bus_assign_resources(struct pci_bus *    625 void pci_bus_assign_resources(struct pci_bus *bus);
831 void pci_bus_size_bridges(struct pci_bus *bus)    626 void pci_bus_size_bridges(struct pci_bus *bus);
832 int pci_claim_resource(struct pci_dev *, int);    627 int pci_claim_resource(struct pci_dev *, int);
833 void pci_assign_unassigned_resources(void);       628 void pci_assign_unassigned_resources(void);
834 void pdev_enable_device(struct pci_dev *);        629 void pdev_enable_device(struct pci_dev *);
835 void pdev_sort_resources(struct pci_dev *, str    630 void pdev_sort_resources(struct pci_dev *, struct resource_list *);
836 void pci_fixup_irqs(u8 (*)(struct pci_dev *, u    631 void pci_fixup_irqs(u8 (*)(struct pci_dev *, u8 *),
837                     int (*)(struct pci_dev *,     632                     int (*)(struct pci_dev *, u8, u8));
838 #define HAVE_PCI_REQ_REGIONS    2                 633 #define HAVE_PCI_REQ_REGIONS    2
839 int pci_request_regions(struct pci_dev *, char !! 634 int __must_check pci_request_regions(struct pci_dev *, const char *);
840 void pci_release_regions(struct pci_dev *);       635 void pci_release_regions(struct pci_dev *);
841 int pci_request_region(struct pci_dev *, int,  !! 636 int __must_check pci_request_region(struct pci_dev *, int, const char *);
842 void pci_release_region(struct pci_dev *, int)    637 void pci_release_region(struct pci_dev *, int);
                                                   >> 638 int pci_request_selected_regions(struct pci_dev *, int, const char *);
                                                   >> 639 void pci_release_selected_regions(struct pci_dev *, int);
843                                                   640 
844 /* drivers/pci/bus.c */                           641 /* drivers/pci/bus.c */
845 int pci_bus_alloc_resource(struct pci_bus *bus !! 642 int __must_check pci_bus_alloc_resource(struct pci_bus *bus,
846                            unsigned long size, !! 643                         struct resource *res, resource_size_t size,
847                            unsigned long min,  !! 644                         resource_size_t align, resource_size_t min,
848                            void (*alignf)(void !! 645                         unsigned int type_mask,
849                                           unsi !! 646                         void (*alignf)(void *, struct resource *,
850                            void *alignf_data); !! 647                                 resource_size_t, resource_size_t),
                                                   >> 648                         void *alignf_data);
851 void pci_enable_bridges(struct pci_bus *bus);     649 void pci_enable_bridges(struct pci_bus *bus);
852                                                   650 
853 /* New-style probing supporting hot-pluggable  !! 651 /* Proper probing supporting hot-pluggable devices */
854 int pci_register_driver(struct pci_driver *);  !! 652 int __must_check __pci_register_driver(struct pci_driver *, struct module *,
855 void pci_unregister_driver(struct pci_driver * !! 653                                        const char *mod_name);
856 void pci_remove_behind_bridge(struct pci_dev * !! 654 static inline int __must_check pci_register_driver(struct pci_driver *driver)
857 struct pci_driver *pci_dev_driver(const struct !! 655 {
858 const struct pci_device_id *pci_match_device(c !! 656         return __pci_register_driver(driver, THIS_MODULE, KBUILD_MODNAME);
859 int pci_scan_bridge(struct pci_bus *bus, struc !! 657 }
                                                   >> 658 
                                                   >> 659 void pci_unregister_driver(struct pci_driver *dev);
                                                   >> 660 void pci_remove_behind_bridge(struct pci_dev *dev);
                                                   >> 661 struct pci_driver *pci_dev_driver(const struct pci_dev *dev);
                                                   >> 662 const struct pci_device_id *pci_match_id(const struct pci_device_id *ids,
                                                   >> 663                                          struct pci_dev *dev);
                                                   >> 664 int pci_scan_bridge(struct pci_bus *bus, struct pci_dev *dev, int max,
                                                   >> 665                     int pass);
                                                   >> 666 
                                                   >> 667 void pci_walk_bus(struct pci_bus *top, void (*cb)(struct pci_dev *, void *),
                                                   >> 668                   void *userdata);
                                                   >> 669 int pci_cfg_space_size(struct pci_dev *dev);
                                                   >> 670 unsigned char pci_bus_max_busnr(struct pci_bus *bus);
860                                                   671 
861 /* kmem_cache style wrapper around pci_alloc_c    672 /* kmem_cache style wrapper around pci_alloc_consistent() */
862                                                   673 
863 #include <linux/dmapool.h>                        674 #include <linux/dmapool.h>
864                                                   675 
865 #define pci_pool dma_pool                         676 #define pci_pool dma_pool
866 #define pci_pool_create(name, pdev, size, alig    677 #define pci_pool_create(name, pdev, size, align, allocation) \
867                 dma_pool_create(name, &pdev->d    678                 dma_pool_create(name, &pdev->dev, size, align, allocation)
868 #define pci_pool_destroy(pool) dma_pool_destro    679 #define pci_pool_destroy(pool) dma_pool_destroy(pool)
869 #define pci_pool_alloc(pool, flags, handle) dm    680 #define pci_pool_alloc(pool, flags, handle) dma_pool_alloc(pool, flags, handle)
870 #define pci_pool_free(pool, vaddr, addr) dma_p    681 #define pci_pool_free(pool, vaddr, addr) dma_pool_free(pool, vaddr, addr)
871                                                   682 
872 #if defined(CONFIG_ISA) || defined(CONFIG_EISA !! 683 enum pci_dma_burst_strategy {
873 extern struct pci_dev *isa_bridge;             !! 684         PCI_DMA_BURST_INFINITY, /* make bursts as large as possible,
874 #endif                                         !! 685                                    strategy_parameter is N/A */
                                                   >> 686         PCI_DMA_BURST_BOUNDARY, /* disconnect at every strategy_parameter
                                                   >> 687                                    byte boundaries */
                                                   >> 688         PCI_DMA_BURST_MULTIPLE, /* disconnect at some multiple of
                                                   >> 689                                    strategy_parameter byte boundaries */
                                                   >> 690 };
875                                                   691 
876 struct msix_entry {                               692 struct msix_entry {
877         u16     vector; /* kernel uses to writ    693         u16     vector; /* kernel uses to write allocated vector */
878         u16     entry;  /* driver uses to spec    694         u16     entry;  /* driver uses to specify entry, OS writes */
879 };                                                695 };
880                                                   696 
                                                   >> 697 
881 #ifndef CONFIG_PCI_MSI                            698 #ifndef CONFIG_PCI_MSI
882 static inline void pci_scan_msi_device(struct  !! 699 static inline int pci_enable_msi(struct pci_dev *dev)
883 static inline int pci_enable_msi(struct pci_de !! 700 {
884 static inline void pci_disable_msi(struct pci_ !! 701         return -1;
885 static inline int pci_enable_msix(struct pci_d !! 702 }
886         struct msix_entry *entries, int nvec)  !! 703 
887 static inline void pci_disable_msix(struct pci !! 704 static inline void pci_disable_msi(struct pci_dev *dev)
888 static inline void msi_remove_pci_irq_vectors( !! 705 { }
                                                   >> 706 
                                                   >> 707 static inline int pci_enable_msix(struct pci_dev *dev,
                                                   >> 708                                   struct msix_entry *entries, int nvec)
                                                   >> 709 {
                                                   >> 710         return -1;
                                                   >> 711 }
                                                   >> 712 
                                                   >> 713 static inline void pci_disable_msix(struct pci_dev *dev)
                                                   >> 714 { }
                                                   >> 715 
                                                   >> 716 static inline void msi_remove_pci_irq_vectors(struct pci_dev *dev)
                                                   >> 717 { }
                                                   >> 718 
                                                   >> 719 static inline void pci_restore_msi_state(struct pci_dev *dev)
                                                   >> 720 { }
889 #else                                             721 #else
890 extern void pci_scan_msi_device(struct pci_dev << 
891 extern int pci_enable_msi(struct pci_dev *dev)    722 extern int pci_enable_msi(struct pci_dev *dev);
892 extern void pci_disable_msi(struct pci_dev *de    723 extern void pci_disable_msi(struct pci_dev *dev);
893 extern int pci_enable_msix(struct pci_dev* dev !! 724 extern int pci_enable_msix(struct pci_dev *dev,
894         struct msix_entry *entries, int nvec);    725         struct msix_entry *entries, int nvec);
895 extern void pci_disable_msix(struct pci_dev *d    726 extern void pci_disable_msix(struct pci_dev *dev);
896 extern void msi_remove_pci_irq_vectors(struct     727 extern void msi_remove_pci_irq_vectors(struct pci_dev *dev);
                                                   >> 728 extern void pci_restore_msi_state(struct pci_dev *dev);
897 #endif                                            729 #endif
898                                                   730 
899 #endif /* CONFIG_PCI */                        !! 731 #ifdef CONFIG_HT_IRQ
                                                   >> 732 /* The functions a driver should call */
                                                   >> 733 int  ht_create_irq(struct pci_dev *dev, int idx);
                                                   >> 734 void ht_destroy_irq(unsigned int irq);
                                                   >> 735 #endif /* CONFIG_HT_IRQ */
900                                                   736 
901 /* Include architecture-dependent settings and !! 737 extern void pci_block_user_cfg_access(struct pci_dev *dev);
                                                   >> 738 extern void pci_unblock_user_cfg_access(struct pci_dev *dev);
902                                                   739 
903 #include <asm/pci.h>                           !! 740 /*
                                                   >> 741  * PCI domain support.  Sometimes called PCI segment (eg by ACPI),
                                                   >> 742  * a PCI domain is defined to be a set of PCI busses which share
                                                   >> 743  * configuration space.
                                                   >> 744  */
                                                   >> 745 #ifdef CONFIG_PCI_DOMAINS
                                                   >> 746 extern int pci_domains_supported;
                                                   >> 747 #else
                                                   >> 748 enum { pci_domains_supported = 0 };
                                                   >> 749 static inline int pci_domain_nr(struct pci_bus *bus)
                                                   >> 750 {
                                                   >> 751         return 0;
                                                   >> 752 }
                                                   >> 753 
                                                   >> 754 static inline int pci_proc_domain(struct pci_bus *bus)
                                                   >> 755 {
                                                   >> 756         return 0;
                                                   >> 757 }
                                                   >> 758 #endif /* CONFIG_PCI_DOMAINS */
                                                   >> 759 
                                                   >> 760 #else /* CONFIG_PCI is not enabled */
904                                                   761 
905 /*                                                762 /*
906  *  If the system does not have PCI, clearly t    763  *  If the system does not have PCI, clearly these return errors.  Define
907  *  these as simple inline functions to avoid     764  *  these as simple inline functions to avoid hair in drivers.
908  */                                               765  */
909                                                   766 
910 #ifndef CONFIG_PCI                             !! 767 #define _PCI_NOP(o, s, t) \
911 #define _PCI_NOP(o,s,t) \                      !! 768         static inline int pci_##o##_config_##s(struct pci_dev *dev, \
912         static inline int pci_##o##_config_##s !! 769                                                 int where, t val) \
913                 { return PCIBIOS_FUNC_NOT_SUPP    770                 { return PCIBIOS_FUNC_NOT_SUPPORTED; }
914 #define _PCI_NOP_ALL(o,x)       _PCI_NOP(o,byt !! 771 
915                                 _PCI_NOP(o,wor !! 772 #define _PCI_NOP_ALL(o, x)      _PCI_NOP(o, byte, u8 x) \
916                                 _PCI_NOP(o,dwo !! 773                                 _PCI_NOP(o, word, u16 x) \
                                                   >> 774                                 _PCI_NOP(o, dword, u32 x)
917 _PCI_NOP_ALL(read, *)                             775 _PCI_NOP_ALL(read, *)
918 _PCI_NOP_ALL(write,)                              776 _PCI_NOP_ALL(write,)
919                                                   777 
920 static inline struct pci_dev *pci_find_device( !! 778 static inline struct pci_dev *pci_find_device(unsigned int vendor,
921 { return NULL; }                               !! 779                                               unsigned int device,
                                                   >> 780                                               const struct pci_dev *from)
                                                   >> 781 {
                                                   >> 782         return NULL;
                                                   >> 783 }
922                                                   784 
923 static inline struct pci_dev *pci_find_slot(un !! 785 static inline struct pci_dev *pci_find_slot(unsigned int bus,
924 { return NULL; }                               !! 786                                             unsigned int devfn)
                                                   >> 787 {
                                                   >> 788         return NULL;
                                                   >> 789 }
925                                                   790 
926 static inline struct pci_dev *pci_get_device ( !! 791 static inline struct pci_dev *pci_get_device(unsigned int vendor,
927 { return NULL; }                               !! 792                                              unsigned int device,
                                                   >> 793                                              struct pci_dev *from)
                                                   >> 794 {
                                                   >> 795         return NULL;
                                                   >> 796 }
928                                                   797 
929 static inline struct pci_dev *pci_get_subsys ( !! 798 static inline struct pci_dev *pci_get_device_reverse(unsigned int vendor,
930 unsigned int ss_vendor, unsigned int ss_device !! 799                                                      unsigned int device,
931 { return NULL; }                               !! 800                                                      struct pci_dev *from)
                                                   >> 801 {
                                                   >> 802         return NULL;
                                                   >> 803 }
932                                                   804 
933 static inline struct pci_dev *pci_get_class(un !! 805 static inline struct pci_dev *pci_get_subsys(unsigned int vendor,
934 { return NULL; }                               !! 806                                              unsigned int device,
                                                   >> 807                                              unsigned int ss_vendor,
                                                   >> 808                                              unsigned int ss_device,
                                                   >> 809                                              struct pci_dev *from)
                                                   >> 810 {
                                                   >> 811         return NULL;
                                                   >> 812 }
                                                   >> 813 
                                                   >> 814 static inline struct pci_dev *pci_get_class(unsigned int class,
                                                   >> 815                                             struct pci_dev *from)
                                                   >> 816 {
                                                   >> 817         return NULL;
                                                   >> 818 }
935                                                   819 
936 #define pci_dev_present(ids)    (0)               820 #define pci_dev_present(ids)    (0)
                                                   >> 821 #define no_pci_devices()        (1)
                                                   >> 822 #define pci_find_present(ids)   (NULL)
937 #define pci_dev_put(dev)        do { } while (    823 #define pci_dev_put(dev)        do { } while (0)
938                                                   824 
939 static inline void pci_set_master(struct pci_d !! 825 static inline void pci_set_master(struct pci_dev *dev)
940 static inline int pci_enable_device(struct pci !! 826 { }
941 static inline void pci_disable_device(struct p !! 827 
942 static inline int pci_set_dma_mask(struct pci_ !! 828 static inline int pci_enable_device(struct pci_dev *dev)
943 static inline int pci_dac_set_dma_mask(struct  !! 829 {
944 static inline int pci_assign_resource(struct p !! 830         return -EIO;
945 static inline int pci_register_driver(struct p !! 831 }
946 static inline void pci_unregister_driver(struc !! 832 
947 static inline int pci_find_capability (struct  !! 833 static inline void pci_disable_device(struct pci_dev *dev)
948 static inline int pci_find_ext_capability (str !! 834 { }
949 static inline const struct pci_device_id *pci_ !! 835 
                                                   >> 836 static inline int pci_set_dma_mask(struct pci_dev *dev, u64 mask)
                                                   >> 837 {
                                                   >> 838         return -EIO;
                                                   >> 839 }
                                                   >> 840 
                                                   >> 841 static inline int pci_set_dma_max_seg_size(struct pci_dev *dev,
                                                   >> 842                                         unsigned int size)
                                                   >> 843 {
                                                   >> 844         return -EIO;
                                                   >> 845 }
                                                   >> 846 
                                                   >> 847 static inline int pci_set_dma_seg_boundary(struct pci_dev *dev,
                                                   >> 848                                         unsigned long mask)
                                                   >> 849 {
                                                   >> 850         return -EIO;
                                                   >> 851 }
                                                   >> 852 
                                                   >> 853 static inline int pci_assign_resource(struct pci_dev *dev, int i)
                                                   >> 854 {
                                                   >> 855         return -EBUSY;
                                                   >> 856 }
                                                   >> 857 
                                                   >> 858 static inline int __pci_register_driver(struct pci_driver *drv,
                                                   >> 859                                         struct module *owner)
                                                   >> 860 {
                                                   >> 861         return 0;
                                                   >> 862 }
                                                   >> 863 
                                                   >> 864 static inline int pci_register_driver(struct pci_driver *drv)
                                                   >> 865 {
                                                   >> 866         return 0;
                                                   >> 867 }
                                                   >> 868 
                                                   >> 869 static inline void pci_unregister_driver(struct pci_driver *drv)
                                                   >> 870 { }
                                                   >> 871 
                                                   >> 872 static inline int pci_find_capability(struct pci_dev *dev, int cap)
                                                   >> 873 {
                                                   >> 874         return 0;
                                                   >> 875 }
                                                   >> 876 
                                                   >> 877 static inline int pci_find_capability_cached(struct pci_dev *dev, int cap) {
                                                   >> 878         return 0;
                                                   >> 879 }
                                                   >> 880 
                                                   >> 881 static inline int pci_find_next_capability(struct pci_dev *dev, u8 post,
                                                   >> 882                                            int cap)
                                                   >> 883 {
                                                   >> 884         return 0;
                                                   >> 885 }
                                                   >> 886 
                                                   >> 887 static inline int pci_find_ext_capability(struct pci_dev *dev, int cap)
                                                   >> 888 {
                                                   >> 889         return 0;
                                                   >> 890 }
950                                                   891 
951 /* Power management related routines */           892 /* Power management related routines */
952 static inline int pci_save_state(struct pci_de !! 893 static inline int pci_save_state(struct pci_dev *dev)
953 static inline int pci_restore_state(struct pci !! 894 {
954 static inline int pci_set_power_state(struct p !! 895         return 0;
955 static inline pci_power_t pci_choose_state(str !! 896 }
956 static inline int pci_enable_wake(struct pci_d !! 897 
                                                   >> 898 static inline int pci_restore_state(struct pci_dev *dev)
                                                   >> 899 {
                                                   >> 900         return 0;
                                                   >> 901 }
957                                                   902 
958 #define isa_bridge      ((struct pci_dev *)NUL !! 903 static inline int pci_set_power_state(struct pci_dev *dev, pci_power_t state)
                                                   >> 904 {
                                                   >> 905         return 0;
                                                   >> 906 }
959                                                   907 
960 #else                                          !! 908 static inline pci_power_t pci_choose_state(struct pci_dev *dev,
                                                   >> 909                                            pm_message_t state)
                                                   >> 910 {
                                                   >> 911         return PCI_D0;
                                                   >> 912 }
961                                                   913 
962 /*                                             !! 914 static inline int pci_enable_wake(struct pci_dev *dev, pci_power_t state,
963  * PCI domain support.  Sometimes called PCI s !! 915                                   int enable)
964  * a PCI domain is defined to be a set of PCI  << 
965  * configuration space.                        << 
966  */                                            << 
967 #ifndef CONFIG_PCI_DOMAINS                     << 
968 static inline int pci_domain_nr(struct pci_bus << 
969 static inline int pci_name_bus(char *name, str << 
970 {                                                 916 {
971         sprintf(name, "%02x", bus->number);    << 
972         return 0;                                 917         return 0;
973 }                                                 918 }
974 #endif                                         << 
975                                                   919 
976 #endif /* !CONFIG_PCI */                       !! 920 static inline int pci_request_regions(struct pci_dev *dev, const char *res_name)
                                                   >> 921 {
                                                   >> 922         return -EIO;
                                                   >> 923 }
                                                   >> 924 
                                                   >> 925 static inline void pci_release_regions(struct pci_dev *dev)
                                                   >> 926 { }
                                                   >> 927 
                                                   >> 928 #define pci_dma_burst_advice(pdev, strat, strategy_parameter) do { } while (0)
                                                   >> 929 
                                                   >> 930 static inline void pci_block_user_cfg_access(struct pci_dev *dev)
                                                   >> 931 { }
                                                   >> 932 
                                                   >> 933 static inline void pci_unblock_user_cfg_access(struct pci_dev *dev)
                                                   >> 934 { }
                                                   >> 935 
                                                   >> 936 static inline struct pci_bus *pci_find_next_bus(const struct pci_bus *from)
                                                   >> 937 { return NULL; }
                                                   >> 938 
                                                   >> 939 static inline struct pci_dev *pci_get_slot(struct pci_bus *bus,
                                                   >> 940                                                 unsigned int devfn)
                                                   >> 941 { return NULL; }
                                                   >> 942 
                                                   >> 943 static inline struct pci_dev *pci_get_bus_and_slot(unsigned int bus,
                                                   >> 944                                                 unsigned int devfn)
                                                   >> 945 { return NULL; }
                                                   >> 946 
                                                   >> 947 #endif /* CONFIG_PCI */
                                                   >> 948 
                                                   >> 949 /* Include architecture-dependent settings and functions */
                                                   >> 950 
                                                   >> 951 #include <asm/pci.h>
977                                                   952 
978 /* these helpers provide future and backwards     953 /* these helpers provide future and backwards compatibility
979  * for accessing popular PCI BAR info */          954  * for accessing popular PCI BAR info */
980 #define pci_resource_start(dev,bar)   ((dev)-> !! 955 #define pci_resource_start(dev, bar)    ((dev)->resource[(bar)].start)
981 #define pci_resource_end(dev,bar)     ((dev)-> !! 956 #define pci_resource_end(dev, bar)      ((dev)->resource[(bar)].end)
982 #define pci_resource_flags(dev,bar)   ((dev)-> !! 957 #define pci_resource_flags(dev, bar)    ((dev)->resource[(bar)].flags)
983 #define pci_resource_len(dev,bar) \               958 #define pci_resource_len(dev,bar) \
984         ((pci_resource_start((dev),(bar)) == 0 !! 959         ((pci_resource_start((dev), (bar)) == 0 &&      \
985           pci_resource_end((dev),(bar)) ==     !! 960           pci_resource_end((dev), (bar)) ==             \
986           pci_resource_start((dev),(bar))) ? 0 !! 961           pci_resource_start((dev), (bar))) ? 0 :       \
987                                                !! 962                                                         \
988          (pci_resource_end((dev),(bar)) -      !! 963          (pci_resource_end((dev), (bar)) -              \
989           pci_resource_start((dev),(bar)) + 1) !! 964           pci_resource_start((dev), (bar)) + 1))
990                                                   965 
991 /* Similar to the helpers above, these manipul    966 /* Similar to the helpers above, these manipulate per-pci_dev
992  * driver-specific data.  They are really just    967  * driver-specific data.  They are really just a wrapper around
993  * the generic device structure functions of t    968  * the generic device structure functions of these calls.
994  */                                               969  */
995 static inline void *pci_get_drvdata (struct pc !! 970 static inline void *pci_get_drvdata(struct pci_dev *pdev)
996 {                                                 971 {
997         return dev_get_drvdata(&pdev->dev);       972         return dev_get_drvdata(&pdev->dev);
998 }                                                 973 }
999                                                   974 
1000 static inline void pci_set_drvdata (struct pc !! 975 static inline void pci_set_drvdata(struct pci_dev *pdev, void *data)
1001 {                                                976 {
1002         dev_set_drvdata(&pdev->dev, data);       977         dev_set_drvdata(&pdev->dev, data);
1003 }                                                978 }
1004                                                  979 
1005 /* If you want to know what to call your pci_    980 /* If you want to know what to call your pci_dev, ask this function.
1006  * Again, it's a wrapper around the generic d    981  * Again, it's a wrapper around the generic device.
1007  */                                              982  */
1008 static inline char *pci_name(struct pci_dev *    983 static inline char *pci_name(struct pci_dev *pdev)
1009 {                                                984 {
1010         return pdev->dev.bus_id;                 985         return pdev->dev.bus_id;
1011 }                                                986 }
1012                                                  987 
1013 /* Some archs want to see the pretty pci name !! 988 
1014 #ifdef CONFIG_PCI_NAMES                       !! 989 /* Some archs don't want to expose struct resource to userland as-is
1015 #define pci_pretty_name(dev) ((dev)->pretty_n !! 990  * in sysfs and /proc
1016 #else                                         !! 991  */
1017 #define pci_pretty_name(dev) ""               !! 992 #ifndef HAVE_ARCH_PCI_RESOURCE_TO_USER
1018 #endif                                        !! 993 static inline void pci_resource_to_user(const struct pci_dev *dev, int bar,
                                                   >> 994                 const struct resource *rsrc, resource_size_t *start,
                                                   >> 995                 resource_size_t *end)
                                                   >> 996 {
                                                   >> 997         *start = rsrc->start;
                                                   >> 998         *end = rsrc->end;
                                                   >> 999 }
                                                   >> 1000 #endif /* HAVE_ARCH_PCI_RESOURCE_TO_USER */
                                                   >> 1001 
1019                                                  1002 
1020 /*                                               1003 /*
1021  *  The world is not perfect and supplies us     1004  *  The world is not perfect and supplies us with broken PCI devices.
1022  *  For at least a part of these bugs we need    1005  *  For at least a part of these bugs we need a work-around, so both
1023  *  generic (drivers/pci/quirks.c) and per-ar    1006  *  generic (drivers/pci/quirks.c) and per-architecture code can define
1024  *  fixup hooks to be called for particular b    1007  *  fixup hooks to be called for particular buggy devices.
1025  */                                              1008  */
1026                                                  1009 
1027 struct pci_fixup {                               1010 struct pci_fixup {
1028         u16 vendor, device;     /* You can us    1011         u16 vendor, device;     /* You can use PCI_ANY_ID here of course */
1029         void (*hook)(struct pci_dev *dev);       1012         void (*hook)(struct pci_dev *dev);
1030 };                                               1013 };
1031                                                  1014 
1032 enum pci_fixup_pass {                            1015 enum pci_fixup_pass {
1033         pci_fixup_early,        /* Before pro    1016         pci_fixup_early,        /* Before probing BARs */
1034         pci_fixup_header,       /* After read    1017         pci_fixup_header,       /* After reading configuration header */
1035         pci_fixup_final,        /* Final phas    1018         pci_fixup_final,        /* Final phase of device fixups */
1036         pci_fixup_enable,       /* pci_enable    1019         pci_fixup_enable,       /* pci_enable_device() time */
                                                   >> 1020         pci_fixup_resume,       /* pci_enable_device() time */
1037 };                                               1021 };
1038                                                  1022 
1039 /* Anonymous variables would be nice... */       1023 /* Anonymous variables would be nice... */
1040 #define DECLARE_PCI_FIXUP_SECTION(section, na    1024 #define DECLARE_PCI_FIXUP_SECTION(section, name, vendor, device, hook)  \
1041         static struct pci_fixup __pci_fixup_# !! 1025         static const struct pci_fixup __pci_fixup_##name __used         \
1042         __attribute__((__section__(#section))    1026         __attribute__((__section__(#section))) = { vendor, device, hook };
1043 #define DECLARE_PCI_FIXUP_EARLY(vendor, devic    1027 #define DECLARE_PCI_FIXUP_EARLY(vendor, device, hook)                   \
1044         DECLARE_PCI_FIXUP_SECTION(.pci_fixup_    1028         DECLARE_PCI_FIXUP_SECTION(.pci_fixup_early,                     \
1045                         vendor##device##hook,    1029                         vendor##device##hook, vendor, device, hook)
1046 #define DECLARE_PCI_FIXUP_HEADER(vendor, devi    1030 #define DECLARE_PCI_FIXUP_HEADER(vendor, device, hook)                  \
1047         DECLARE_PCI_FIXUP_SECTION(.pci_fixup_    1031         DECLARE_PCI_FIXUP_SECTION(.pci_fixup_header,                    \
1048                         vendor##device##hook,    1032                         vendor##device##hook, vendor, device, hook)
1049 #define DECLARE_PCI_FIXUP_FINAL(vendor, devic    1033 #define DECLARE_PCI_FIXUP_FINAL(vendor, device, hook)                   \
1050         DECLARE_PCI_FIXUP_SECTION(.pci_fixup_    1034         DECLARE_PCI_FIXUP_SECTION(.pci_fixup_final,                     \
1051                         vendor##device##hook,    1035                         vendor##device##hook, vendor, device, hook)
1052 #define DECLARE_PCI_FIXUP_ENABLE(vendor, devi    1036 #define DECLARE_PCI_FIXUP_ENABLE(vendor, device, hook)                  \
1053         DECLARE_PCI_FIXUP_SECTION(.pci_fixup_    1037         DECLARE_PCI_FIXUP_SECTION(.pci_fixup_enable,                    \
1054                         vendor##device##hook,    1038                         vendor##device##hook, vendor, device, hook)
                                                   >> 1039 #define DECLARE_PCI_FIXUP_RESUME(vendor, device, hook)                  \
                                                   >> 1040         DECLARE_PCI_FIXUP_SECTION(.pci_fixup_resume,                    \
                                                   >> 1041                         resume##vendor##device##hook, vendor, device, hook)
1055                                                  1042 
1056                                                  1043 
1057 void pci_fixup_device(enum pci_fixup_pass pas    1044 void pci_fixup_device(enum pci_fixup_pass pass, struct pci_dev *dev);
1058                                                  1045 
                                                   >> 1046 void __iomem *pcim_iomap(struct pci_dev *pdev, int bar, unsigned long maxlen);
                                                   >> 1047 void pcim_iounmap(struct pci_dev *pdev, void __iomem *addr);
                                                   >> 1048 void __iomem * const *pcim_iomap_table(struct pci_dev *pdev);
                                                   >> 1049 int pcim_iomap_regions(struct pci_dev *pdev, u16 mask, const char *name);
                                                   >> 1050 int pcim_iomap_regions_request_all(struct pci_dev *pdev, u16 mask,
                                                   >> 1051                                    const char *name);
                                                   >> 1052 void pcim_iounmap_regions(struct pci_dev *pdev, u16 mask);
                                                   >> 1053 
1059 extern int pci_pci_problems;                     1054 extern int pci_pci_problems;
1060 #define PCIPCI_FAIL             1             !! 1055 #define PCIPCI_FAIL             1       /* No PCI PCI DMA */
1061 #define PCIPCI_TRITON           2                1056 #define PCIPCI_TRITON           2
1062 #define PCIPCI_NATOMA           4                1057 #define PCIPCI_NATOMA           4
1063 #define PCIPCI_VIAETBF          8                1058 #define PCIPCI_VIAETBF          8
1064 #define PCIPCI_VSFX             16               1059 #define PCIPCI_VSFX             16
1065 #define PCIPCI_ALIMAGIK         32            !! 1060 #define PCIPCI_ALIMAGIK         32      /* Need low latency setting */
                                                   >> 1061 #define PCIAGP_FAIL             64      /* No PCI to AGP DMA */
                                                   >> 1062 
                                                   >> 1063 extern unsigned long pci_cardbus_io_size;
                                                   >> 1064 extern unsigned long pci_cardbus_mem_size;
                                                   >> 1065 
                                                   >> 1066 extern int pcibios_add_platform_entries(struct pci_dev *dev);
1066                                                  1067 
1067 #endif /* __KERNEL__ */                          1068 #endif /* __KERNEL__ */
1068 #endif /* LINUX_PCI_H */                         1069 #endif /* LINUX_PCI_H */
1069                                                  1070 
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