blob: 6887b619288eeb3fa062afc85cc2d365daae13d0 [file] [log] [blame]
Linus Torvalds1da177e2005-04-16 15:20:36 -07001/************************************************************************/
2/* Provides the Hypervisor PCI calls for iSeries Linux Parition. */
3/* Copyright (C) 2001 <Wayne G Holm> <IBM Corporation> */
4/* */
5/* This program is free software; you can redistribute it and/or modify */
6/* it under the terms of the GNU General Public License as published by */
7/* the Free Software Foundation; either version 2 of the License, or */
8/* (at your option) any later version. */
9/* */
10/* This program is distributed in the hope that it will be useful, */
11/* but WITHOUT ANY WARRANTY; without even the implied warranty of */
12/* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the */
13/* GNU General Public License for more details. */
14/* */
15/* You should have received a copy of the GNU General Public License */
16/* along with this program; if not, write to the: */
17/* Free Software Foundation, Inc., */
18/* 59 Temple Place, Suite 330, */
19/* Boston, MA 02111-1307 USA */
20/************************************************************************/
21/* Change Activity: */
22/* Created, Jan 9, 2001 */
23/************************************************************************/
24
25#ifndef _HVCALLPCI_H
26#define _HVCALLPCI_H
27
28#include <asm/iSeries/HvCallSc.h>
29#include <asm/iSeries/HvTypes.h>
30
31/*
32 * DSA == Direct Select Address
33 * this struct must be 64 bits in total
34 */
35struct HvCallPci_DsaAddr {
36 u16 busNumber; /* PHB index? */
37 u8 subBusNumber; /* PCI bus number? */
38 u8 deviceId; /* device and function? */
39 u8 barNumber;
40 u8 reserved[3];
41};
42
43union HvDsaMap {
44 u64 DsaAddr;
45 struct HvCallPci_DsaAddr Dsa;
46};
47
48struct HvCallPci_LoadReturn {
49 u64 rc;
50 u64 value;
51};
52
53enum HvCallPci_DeviceType {
54 HvCallPci_NodeDevice = 1,
55 HvCallPci_SpDevice = 2,
56 HvCallPci_IopDevice = 3,
57 HvCallPci_BridgeDevice = 4,
58 HvCallPci_MultiFunctionDevice = 5,
59 HvCallPci_IoaDevice = 6
60};
61
62
63struct HvCallPci_DeviceInfo {
64 u32 deviceType; // See DeviceType enum for values
65};
66
67struct HvCallPci_BusUnitInfo {
68 u32 sizeReturned; // length of data returned
69 u32 deviceType; // see DeviceType enum for values
70};
71
72struct HvCallPci_BridgeInfo {
73 struct HvCallPci_BusUnitInfo busUnitInfo; // Generic bus unit info
74 u8 subBusNumber; // Bus number of secondary bus
75 u8 maxAgents; // Max idsels on secondary bus
76 u8 maxSubBusNumber; // Max Sub Bus
77 u8 logicalSlotNumber; // Logical Slot Number for IOA
78};
79
80
81// Maximum BusUnitInfo buffer size. Provided for clients so they can allocate
82// a buffer big enough for any type of bus unit. Increase as needed.
83enum {HvCallPci_MaxBusUnitInfoSize = 128};
84
85struct HvCallPci_BarParms {
86 u64 vaddr;
87 u64 raddr;
88 u64 size;
89 u64 protectStart;
90 u64 protectEnd;
91 u64 relocationOffset;
92 u64 pciAddress;
93 u64 reserved[3];
94};
95
96enum HvCallPci_VpdType {
97 HvCallPci_BusVpd = 1,
98 HvCallPci_BusAdapterVpd = 2
99};
100
101#define HvCallPciConfigLoad8 HvCallPci + 0
102#define HvCallPciConfigLoad16 HvCallPci + 1
103#define HvCallPciConfigLoad32 HvCallPci + 2
104#define HvCallPciConfigStore8 HvCallPci + 3
105#define HvCallPciConfigStore16 HvCallPci + 4
106#define HvCallPciConfigStore32 HvCallPci + 5
107#define HvCallPciEoi HvCallPci + 16
108#define HvCallPciGetBarParms HvCallPci + 18
109#define HvCallPciMaskFisr HvCallPci + 20
110#define HvCallPciUnmaskFisr HvCallPci + 21
111#define HvCallPciSetSlotReset HvCallPci + 25
112#define HvCallPciGetDeviceInfo HvCallPci + 27
113#define HvCallPciGetCardVpd HvCallPci + 28
114#define HvCallPciBarLoad8 HvCallPci + 40
115#define HvCallPciBarLoad16 HvCallPci + 41
116#define HvCallPciBarLoad32 HvCallPci + 42
117#define HvCallPciBarLoad64 HvCallPci + 43
118#define HvCallPciBarStore8 HvCallPci + 44
119#define HvCallPciBarStore16 HvCallPci + 45
120#define HvCallPciBarStore32 HvCallPci + 46
121#define HvCallPciBarStore64 HvCallPci + 47
122#define HvCallPciMaskInterrupts HvCallPci + 48
123#define HvCallPciUnmaskInterrupts HvCallPci + 49
124#define HvCallPciGetBusUnitInfo HvCallPci + 50
125
126//============================================================================
127static inline u64 HvCallPci_configLoad8(u16 busNumber, u8 subBusNumber,
128 u8 deviceId, u32 offset,
129 u8 *value)
130{
131 struct HvCallPci_DsaAddr dsa;
132 struct HvCallPci_LoadReturn retVal;
133
134 *((u64*)&dsa) = 0;
135
136 dsa.busNumber = busNumber;
137 dsa.subBusNumber = subBusNumber;
138 dsa.deviceId = deviceId;
139
140 HvCall3Ret16(HvCallPciConfigLoad8, &retVal, *(u64 *)&dsa, offset, 0);
141
142 // getPaca()->adjustHmtForNoOfSpinLocksHeld();
143
144 *value = retVal.value;
145
146 return retVal.rc;
147}
148//============================================================================
149static inline u64 HvCallPci_configLoad16(u16 busNumber, u8 subBusNumber,
150 u8 deviceId, u32 offset,
151 u16 *value)
152{
153 struct HvCallPci_DsaAddr dsa;
154 struct HvCallPci_LoadReturn retVal;
155
156 *((u64*)&dsa) = 0;
157
158 dsa.busNumber = busNumber;
159 dsa.subBusNumber = subBusNumber;
160 dsa.deviceId = deviceId;
161
162 HvCall3Ret16(HvCallPciConfigLoad16, &retVal, *(u64 *)&dsa, offset, 0);
163
164 // getPaca()->adjustHmtForNoOfSpinLocksHeld();
165
166 *value = retVal.value;
167
168 return retVal.rc;
169}
170//============================================================================
171static inline u64 HvCallPci_configLoad32(u16 busNumber, u8 subBusNumber,
172 u8 deviceId, u32 offset,
173 u32 *value)
174{
175 struct HvCallPci_DsaAddr dsa;
176 struct HvCallPci_LoadReturn retVal;
177
178 *((u64*)&dsa) = 0;
179
180 dsa.busNumber = busNumber;
181 dsa.subBusNumber = subBusNumber;
182 dsa.deviceId = deviceId;
183
184 HvCall3Ret16(HvCallPciConfigLoad32, &retVal, *(u64 *)&dsa, offset, 0);
185
186 // getPaca()->adjustHmtForNoOfSpinLocksHeld();
187
188 *value = retVal.value;
189
190 return retVal.rc;
191}
192//============================================================================
193static inline u64 HvCallPci_configStore8(u16 busNumber, u8 subBusNumber,
194 u8 deviceId, u32 offset,
195 u8 value)
196{
197 struct HvCallPci_DsaAddr dsa;
198 u64 retVal;
199
200 *((u64*)&dsa) = 0;
201
202 dsa.busNumber = busNumber;
203 dsa.subBusNumber = subBusNumber;
204 dsa.deviceId = deviceId;
205
206 retVal = HvCall4(HvCallPciConfigStore8, *(u64 *)&dsa, offset, value, 0);
207
208 // getPaca()->adjustHmtForNoOfSpinLocksHeld();
209
210 return retVal;
211}
212//============================================================================
213static inline u64 HvCallPci_configStore16(u16 busNumber, u8 subBusNumber,
214 u8 deviceId, u32 offset,
215 u16 value)
216{
217 struct HvCallPci_DsaAddr dsa;
218 u64 retVal;
219
220 *((u64*)&dsa) = 0;
221
222 dsa.busNumber = busNumber;
223 dsa.subBusNumber = subBusNumber;
224 dsa.deviceId = deviceId;
225
226 retVal = HvCall4(HvCallPciConfigStore16, *(u64 *)&dsa, offset, value, 0);
227
228 // getPaca()->adjustHmtForNoOfSpinLocksHeld();
229
230 return retVal;
231}
232//============================================================================
233static inline u64 HvCallPci_configStore32(u16 busNumber, u8 subBusNumber,
234 u8 deviceId, u32 offset,
235 u32 value)
236{
237 struct HvCallPci_DsaAddr dsa;
238 u64 retVal;
239
240 *((u64*)&dsa) = 0;
241
242 dsa.busNumber = busNumber;
243 dsa.subBusNumber = subBusNumber;
244 dsa.deviceId = deviceId;
245
246 retVal = HvCall4(HvCallPciConfigStore32, *(u64 *)&dsa, offset, value, 0);
247
248 // getPaca()->adjustHmtForNoOfSpinLocksHeld();
249
250 return retVal;
251}
252//============================================================================
253static inline u64 HvCallPci_barLoad8(u16 busNumberParm,
254 u8 subBusParm,
255 u8 deviceIdParm,
256 u8 barNumberParm,
257 u64 offsetParm,
258 u8* valueParm)
259{
260 struct HvCallPci_DsaAddr dsa;
261 struct HvCallPci_LoadReturn retVal;
262
263 *((u64*)&dsa) = 0;
264
265 dsa.busNumber = busNumberParm;
266 dsa.subBusNumber = subBusParm;
267 dsa.deviceId = deviceIdParm;
268 dsa.barNumber = barNumberParm;
269
270 HvCall3Ret16(HvCallPciBarLoad8, &retVal, *(u64 *)&dsa, offsetParm, 0);
271
272 // getPaca()->adjustHmtForNoOfSpinLocksHeld();
273
274 *valueParm = retVal.value;
275
276 return retVal.rc;
277}
278//============================================================================
279static inline u64 HvCallPci_barLoad16(u16 busNumberParm,
280 u8 subBusParm,
281 u8 deviceIdParm,
282 u8 barNumberParm,
283 u64 offsetParm,
284 u16* valueParm)
285{
286 struct HvCallPci_DsaAddr dsa;
287 struct HvCallPci_LoadReturn retVal;
288
289 *((u64*)&dsa) = 0;
290
291 dsa.busNumber = busNumberParm;
292 dsa.subBusNumber = subBusParm;
293 dsa.deviceId = deviceIdParm;
294 dsa.barNumber = barNumberParm;
295
296 HvCall3Ret16(HvCallPciBarLoad16, &retVal, *(u64 *)&dsa, offsetParm, 0);
297
298 // getPaca()->adjustHmtForNoOfSpinLocksHeld();
299
300 *valueParm = retVal.value;
301
302 return retVal.rc;
303}
304//============================================================================
305static inline u64 HvCallPci_barLoad32(u16 busNumberParm,
306 u8 subBusParm,
307 u8 deviceIdParm,
308 u8 barNumberParm,
309 u64 offsetParm,
310 u32* valueParm)
311{
312 struct HvCallPci_DsaAddr dsa;
313 struct HvCallPci_LoadReturn retVal;
314
315 *((u64*)&dsa) = 0;
316
317 dsa.busNumber = busNumberParm;
318 dsa.subBusNumber = subBusParm;
319 dsa.deviceId = deviceIdParm;
320 dsa.barNumber = barNumberParm;
321
322 HvCall3Ret16(HvCallPciBarLoad32, &retVal, *(u64 *)&dsa, offsetParm, 0);
323
324 // getPaca()->adjustHmtForNoOfSpinLocksHeld();
325
326 *valueParm = retVal.value;
327
328 return retVal.rc;
329}
330//============================================================================
331static inline u64 HvCallPci_barLoad64(u16 busNumberParm,
332 u8 subBusParm,
333 u8 deviceIdParm,
334 u8 barNumberParm,
335 u64 offsetParm,
336 u64* valueParm)
337{
338 struct HvCallPci_DsaAddr dsa;
339 struct HvCallPci_LoadReturn retVal;
340
341 *((u64*)&dsa) = 0;
342
343 dsa.busNumber = busNumberParm;
344 dsa.subBusNumber = subBusParm;
345 dsa.deviceId = deviceIdParm;
346 dsa.barNumber = barNumberParm;
347
348 HvCall3Ret16(HvCallPciBarLoad64, &retVal, *(u64 *)&dsa, offsetParm, 0);
349
350 // getPaca()->adjustHmtForNoOfSpinLocksHeld();
351
352 *valueParm = retVal.value;
353
354 return retVal.rc;
355}
356//============================================================================
357static inline u64 HvCallPci_barStore8(u16 busNumberParm,
358 u8 subBusParm,
359 u8 deviceIdParm,
360 u8 barNumberParm,
361 u64 offsetParm,
362 u8 valueParm)
363{
364 struct HvCallPci_DsaAddr dsa;
365 u64 retVal;
366
367 *((u64*)&dsa) = 0;
368
369 dsa.busNumber = busNumberParm;
370 dsa.subBusNumber = subBusParm;
371 dsa.deviceId = deviceIdParm;
372 dsa.barNumber = barNumberParm;
373
374 retVal = HvCall4(HvCallPciBarStore8, *(u64 *)&dsa, offsetParm, valueParm, 0);
375
376 // getPaca()->adjustHmtForNoOfSpinLocksHeld();
377
378 return retVal;
379}
380//============================================================================
381static inline u64 HvCallPci_barStore16(u16 busNumberParm,
382 u8 subBusParm,
383 u8 deviceIdParm,
384 u8 barNumberParm,
385 u64 offsetParm,
386 u16 valueParm)
387{
388 struct HvCallPci_DsaAddr dsa;
389 u64 retVal;
390
391 *((u64*)&dsa) = 0;
392
393 dsa.busNumber = busNumberParm;
394 dsa.subBusNumber = subBusParm;
395 dsa.deviceId = deviceIdParm;
396 dsa.barNumber = barNumberParm;
397
398 retVal = HvCall4(HvCallPciBarStore16, *(u64 *)&dsa, offsetParm, valueParm, 0);
399
400 // getPaca()->adjustHmtForNoOfSpinLocksHeld();
401
402 return retVal;
403}
404//============================================================================
405static inline u64 HvCallPci_barStore32(u16 busNumberParm,
406 u8 subBusParm,
407 u8 deviceIdParm,
408 u8 barNumberParm,
409 u64 offsetParm,
410 u32 valueParm)
411{
412 struct HvCallPci_DsaAddr dsa;
413 u64 retVal;
414
415 *((u64*)&dsa) = 0;
416
417 dsa.busNumber = busNumberParm;
418 dsa.subBusNumber = subBusParm;
419 dsa.deviceId = deviceIdParm;
420 dsa.barNumber = barNumberParm;
421
422 retVal = HvCall4(HvCallPciBarStore32, *(u64 *)&dsa, offsetParm, valueParm, 0);
423
424 // getPaca()->adjustHmtForNoOfSpinLocksHeld();
425
426 return retVal;
427}
428//============================================================================
429static inline u64 HvCallPci_barStore64(u16 busNumberParm,
430 u8 subBusParm,
431 u8 deviceIdParm,
432 u8 barNumberParm,
433 u64 offsetParm,
434 u64 valueParm)
435{
436 struct HvCallPci_DsaAddr dsa;
437 u64 retVal;
438
439 *((u64*)&dsa) = 0;
440
441 dsa.busNumber = busNumberParm;
442 dsa.subBusNumber = subBusParm;
443 dsa.deviceId = deviceIdParm;
444 dsa.barNumber = barNumberParm;
445
446 retVal = HvCall4(HvCallPciBarStore64, *(u64 *)&dsa, offsetParm, valueParm, 0);
447
448 // getPaca()->adjustHmtForNoOfSpinLocksHeld();
449
450 return retVal;
451}
452//============================================================================
453static inline u64 HvCallPci_eoi(u16 busNumberParm,
454 u8 subBusParm,
455 u8 deviceIdParm)
456{
457 struct HvCallPci_DsaAddr dsa;
458 struct HvCallPci_LoadReturn retVal;
459
460 *((u64*)&dsa) = 0;
461
462 dsa.busNumber = busNumberParm;
463 dsa.subBusNumber = subBusParm;
464 dsa.deviceId = deviceIdParm;
465
466 HvCall1Ret16(HvCallPciEoi, &retVal, *(u64*)&dsa);
467
468 // getPaca()->adjustHmtForNoOfSpinLocksHeld();
469
470 return retVal.rc;
471}
472//============================================================================
473static inline u64 HvCallPci_getBarParms(u16 busNumberParm,
474 u8 subBusParm,
475 u8 deviceIdParm,
476 u8 barNumberParm,
477 u64 parms,
478 u32 sizeofParms)
479{
480 struct HvCallPci_DsaAddr dsa;
481 u64 retVal;
482
483 *((u64*)&dsa) = 0;
484
485 dsa.busNumber = busNumberParm;
486 dsa.subBusNumber = subBusParm;
487 dsa.deviceId = deviceIdParm;
488 dsa.barNumber = barNumberParm;
489
490 retVal = HvCall3(HvCallPciGetBarParms, *(u64*)&dsa, parms, sizeofParms);
491
492 // getPaca()->adjustHmtForNoOfSpinLocksHeld();
493
494 return retVal;
495}
496//============================================================================
497static inline u64 HvCallPci_maskFisr(u16 busNumberParm,
498 u8 subBusParm,
499 u8 deviceIdParm,
500 u64 fisrMask)
501{
502 struct HvCallPci_DsaAddr dsa;
503 u64 retVal;
504
505 *((u64*)&dsa) = 0;
506
507 dsa.busNumber = busNumberParm;
508 dsa.subBusNumber = subBusParm;
509 dsa.deviceId = deviceIdParm;
510
511 retVal = HvCall2(HvCallPciMaskFisr, *(u64*)&dsa, fisrMask);
512
513 // getPaca()->adjustHmtForNoOfSpinLocksHeld();
514
515 return retVal;
516}
517//============================================================================
518static inline u64 HvCallPci_unmaskFisr(u16 busNumberParm,
519 u8 subBusParm,
520 u8 deviceIdParm,
521 u64 fisrMask)
522{
523 struct HvCallPci_DsaAddr dsa;
524 u64 retVal;
525
526 *((u64*)&dsa) = 0;
527
528 dsa.busNumber = busNumberParm;
529 dsa.subBusNumber = subBusParm;
530 dsa.deviceId = deviceIdParm;
531
532 retVal = HvCall2(HvCallPciUnmaskFisr, *(u64*)&dsa, fisrMask);
533
534 // getPaca()->adjustHmtForNoOfSpinLocksHeld();
535
536 return retVal;
537}
538//============================================================================
539static inline u64 HvCallPci_setSlotReset(u16 busNumberParm,
540 u8 subBusParm,
541 u8 deviceIdParm,
542 u64 onNotOff)
543{
544 struct HvCallPci_DsaAddr dsa;
545 u64 retVal;
546
547 *((u64*)&dsa) = 0;
548
549 dsa.busNumber = busNumberParm;
550 dsa.subBusNumber = subBusParm;
551 dsa.deviceId = deviceIdParm;
552
553 retVal = HvCall2(HvCallPciSetSlotReset, *(u64*)&dsa, onNotOff);
554
555 // getPaca()->adjustHmtForNoOfSpinLocksHeld();
556
557 return retVal;
558}
559//============================================================================
560static inline u64 HvCallPci_getDeviceInfo(u16 busNumberParm,
561 u8 subBusParm,
562 u8 deviceNumberParm,
563 u64 parms,
564 u32 sizeofParms)
565{
566 struct HvCallPci_DsaAddr dsa;
567 u64 retVal;
568
569 *((u64*)&dsa) = 0;
570
571 dsa.busNumber = busNumberParm;
572 dsa.subBusNumber = subBusParm;
573 dsa.deviceId = deviceNumberParm << 4;
574
575 retVal = HvCall3(HvCallPciGetDeviceInfo, *(u64*)&dsa, parms, sizeofParms);
576
577 // getPaca()->adjustHmtForNoOfSpinLocksHeld();
578
579 return retVal;
580}
581//============================================================================
582static inline u64 HvCallPci_maskInterrupts(u16 busNumberParm,
583 u8 subBusParm,
584 u8 deviceIdParm,
585 u64 interruptMask)
586{
587 struct HvCallPci_DsaAddr dsa;
588 u64 retVal;
589
590 *((u64*)&dsa) = 0;
591
592 dsa.busNumber = busNumberParm;
593 dsa.subBusNumber = subBusParm;
594 dsa.deviceId = deviceIdParm;
595
596 retVal = HvCall2(HvCallPciMaskInterrupts, *(u64*)&dsa, interruptMask);
597
598 // getPaca()->adjustHmtForNoOfSpinLocksHeld();
599
600 return retVal;
601}
602//============================================================================
603static inline u64 HvCallPci_unmaskInterrupts(u16 busNumberParm,
604 u8 subBusParm,
605 u8 deviceIdParm,
606 u64 interruptMask)
607{
608 struct HvCallPci_DsaAddr dsa;
609 u64 retVal;
610
611 *((u64*)&dsa) = 0;
612
613 dsa.busNumber = busNumberParm;
614 dsa.subBusNumber = subBusParm;
615 dsa.deviceId = deviceIdParm;
616
617 retVal = HvCall2(HvCallPciUnmaskInterrupts, *(u64*)&dsa, interruptMask);
618
619 // getPaca()->adjustHmtForNoOfSpinLocksHeld();
620
621 return retVal;
622}
623//============================================================================
624
625static inline u64 HvCallPci_getBusUnitInfo(u16 busNumberParm,
626 u8 subBusParm,
627 u8 deviceIdParm,
628 u64 parms,
629 u32 sizeofParms)
630{
631 struct HvCallPci_DsaAddr dsa;
632 u64 retVal;
633
634 *((u64*)&dsa) = 0;
635
636 dsa.busNumber = busNumberParm;
637 dsa.subBusNumber = subBusParm;
638 dsa.deviceId = deviceIdParm;
639
640 retVal = HvCall3(HvCallPciGetBusUnitInfo, *(u64*)&dsa, parms, sizeofParms);
641
642 // getPaca()->adjustHmtForNoOfSpinLocksHeld();
643
644 return retVal;
645}
646//============================================================================
647
648static inline int HvCallPci_getBusVpd(u16 busNumParm, u64 destParm, u16 sizeParm)
649{
650 int xRetSize;
651 u64 xRc = HvCall4(HvCallPciGetCardVpd, busNumParm, destParm, sizeParm, HvCallPci_BusVpd);
652 // getPaca()->adjustHmtForNoOfSpinLocksHeld();
653 if (xRc == -1)
654 xRetSize = -1;
655 else
656 xRetSize = xRc & 0xFFFF;
657 return xRetSize;
658}
659//============================================================================
660
661static inline int HvCallPci_getBusAdapterVpd(u16 busNumParm, u64 destParm, u16 sizeParm)
662{
663 int xRetSize;
664 u64 xRc = HvCall4(HvCallPciGetCardVpd, busNumParm, destParm, sizeParm, HvCallPci_BusAdapterVpd);
665 // getPaca()->adjustHmtForNoOfSpinLocksHeld();
666 if (xRc == -1)
667 xRetSize = -1;
668 else
669 xRetSize = xRc & 0xFFFF;
670 return xRetSize;
671}
672//============================================================================
673#endif /* _HVCALLPCI_H */