summaryrefslogtreecommitdiffstats
path: root/arch/powerpc/platforms/iseries/call_pci.h
blob: dbdf69850ed9a0ab2aece186db0ab077f4c8b509 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
/*
 * Provides the Hypervisor PCI calls for iSeries Linux Parition.
 * Copyright (C) 2001  <Wayne G Holm> <IBM Corporation>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the:
 * Free Software Foundation, Inc.,
 * 59 Temple Place, Suite 330,
 * Boston, MA  02111-1307  USA
 *
 * Change Activity:
 *   Created, Jan 9, 2001
 */

#ifndef _PLATFORMS_ISERIES_CALL_PCI_H
#define _PLATFORMS_ISERIES_CALL_PCI_H

#include <asm/iseries/hv_call_sc.h>
#include <asm/iseries/hv_types.h>

/*
 * DSA == Direct Select Address
 * this struct must be 64 bits in total
 */
struct HvCallPci_DsaAddr {
	u16		busNumber;		/* PHB index? */
	u8		subBusNumber;		/* PCI bus number? */
	u8		deviceId;		/* device and function? */
	u8		barNumber;
	u8		reserved[3];
};

union HvDsaMap {
	u64	DsaAddr;
	struct HvCallPci_DsaAddr Dsa;
};

struct HvCallPci_LoadReturn {
	u64		rc;
	u64		value;
};

enum HvCallPci_DeviceType {
	HvCallPci_NodeDevice	= 1,
	HvCallPci_SpDevice	= 2,
	HvCallPci_IopDevice     = 3,
	HvCallPci_BridgeDevice	= 4,
	HvCallPci_MultiFunctionDevice = 5,
	HvCallPci_IoaDevice	= 6
};


struct HvCallPci_DeviceInfo {
	u32	deviceType;		/* See DeviceType enum for values */
};

struct HvCallPci_BusUnitInfo {
	u32	sizeReturned;		/* length of data returned */
	u32	deviceType;		/* see DeviceType enum for values */
};

struct HvCallPci_BridgeInfo {
	struct HvCallPci_BusUnitInfo busUnitInfo;  /* Generic bus unit info */
	u8		subBusNumber;	/* Bus number of secondary bus */
	u8		maxAgents;	/* Max idsels on secondary bus */
        u8              maxSubBusNumber; /* Max Sub Bus */
	u8		logicalSlotNumber; /* Logical Slot Number for IOA */
};


/*
 * Maximum BusUnitInfo buffer size.  Provided for clients so
 * they can allocate a buffer big enough for any type of bus
 * unit.  Increase as needed.
 */
enum {HvCallPci_MaxBusUnitInfoSize = 128};

struct HvCallPci_BarParms {
	u64		vaddr;
	u64		raddr;
	u64		size;
	u64		protectStart;
	u64		protectEnd;
	u64		relocationOffset;
	u64		pciAddress;
	u64		reserved[3];
};

enum HvCallPci_VpdType {
	HvCallPci_BusVpd	= 1,
	HvCallPci_BusAdapterVpd	= 2
};

#define HvCallPciConfigLoad8		HvCallPci + 0
#define HvCallPciConfigLoad16		HvCallPci + 1
#define HvCallPciConfigLoad32		HvCallPci + 2
#define HvCallPciConfigStore8		HvCallPci + 3
#define HvCallPciConfigStore16		HvCallPci + 4
#define HvCallPciConfigStore32		HvCallPci + 5
#define HvCallPciEoi			HvCallPci + 16
#define HvCallPciGetBarParms		HvCallPci + 18
#define HvCallPciMaskFisr		HvCallPci + 20
#define HvCallPciUnmaskFisr		HvCallPci + 21
#define HvCallPciSetSlotReset		HvCallPci + 25
#define HvCallPciGetDeviceInfo		HvCallPci + 27
#define HvCallPciGetCardVpd		HvCallPci + 28
#define HvCallPciBarLoad8		HvCallPci + 40
#define HvCallPciBarLoad16		HvCallPci + 41
#define HvCallPciBarLoad32		HvCallPci + 42
#define HvCallPciBarLoad64		HvCallPci + 43
#define HvCallPciBarStore8		HvCallPci + 44
#define HvCallPciBarStore16		HvCallPci + 45
#define HvCallPciBarStore32		HvCallPci + 46
#define HvCallPciBarStore64		HvCallPci + 47
#define HvCallPciMaskInterrupts		HvCallPci + 48
#define HvCallPciUnmaskInterrupts	HvCallPci + 49
#define HvCallPciGetBusUnitInfo		HvCallPci + 50

static inline u64 HvCallPci_configLoad16(u16 busNumber, u8 subBusNumber,
		u8 deviceId, u32 offset, u16 *value)
{
	struct HvCallPci_DsaAddr dsa;
	struct HvCallPci_LoadReturn retVal;

	*((u64*)&dsa) = 0;

	dsa.busNumber = busNumber;
	dsa.subBusNumber = subBusNumber;
	dsa.deviceId = deviceId;

	HvCall3Ret16(HvCallPciConfigLoad16, &retVal, *(u64 *)&dsa, offset, 0);

	*value = retVal.value;

	return retVal.rc;
}

static inline u64 HvCallPci_configLoad32(u16 busNumber, u8 subBusNumber,
		u8 deviceId, u32 offset, u32 *value)
{
	struct HvCallPci_DsaAddr dsa;
	struct HvCallPci_LoadReturn retVal;

	*((u64*)&dsa) = 0;

	dsa.busNumber = busNumber;
	dsa.subBusNumber = subBusNumber;
	dsa.deviceId = deviceId;

	HvCall3Ret16(HvCallPciConfigLoad32, &retVal, *(u64 *)&dsa, offset, 0);

	*value = retVal.value;

	return retVal.rc;
}

static inline u64 HvCallPci_configStore8(u16 busNumber, u8 subBusNumber,
		u8 deviceId, u32 offset, u8 value)
{
	struct HvCallPci_DsaAddr dsa;

	*((u64*)&dsa) = 0;

	dsa.busNumber = busNumber;
	dsa.subBusNumber = subBusNumber;
	dsa.deviceId = deviceId;

	return HvCall4(HvCallPciConfigStore8, *(u64 *)&dsa, offset, value, 0);
}

static inline u64 HvCallPci_eoi(u16 busNumberParm, u8 subBusParm,
		u8 deviceIdParm)
{
	struct HvCallPci_DsaAddr dsa;
	struct HvCallPci_LoadReturn retVal;

	*((u64*)&dsa) = 0;

	dsa.busNumber = busNumberParm;
	dsa.subBusNumber = subBusParm;
	dsa.deviceId = deviceIdParm;

	HvCall1Ret16(HvCallPciEoi, &retVal, *(u64*)&dsa);

	return retVal.rc;
}

static inline u64 HvCallPci_getBarParms(u16 busNumberParm, u8 subBusParm,
		u8 deviceIdParm, u8 barNumberParm, u64 parms, u32 sizeofParms)
{
	struct HvCallPci_DsaAddr dsa;

	*((u64*)&dsa) = 0;

	dsa.busNumber = busNumberParm;
	dsa.subBusNumber = subBusParm;
	dsa.deviceId = deviceIdParm;
	dsa.barNumber = barNumberParm;

	return HvCall3(HvCallPciGetBarParms, *(u64*)&dsa, parms, sizeofParms);
}

static inline u64 HvCallPci_maskFisr(u16 busNumberParm, u8 subBusParm,
		u8 deviceIdParm, u64 fisrMask)
{
	struct HvCallPci_DsaAddr dsa;

	*((u64*)&dsa) = 0;

	dsa.busNumber = busNumberParm;
	dsa.subBusNumber = subBusParm;
	dsa.deviceId = deviceIdParm;

	return HvCall2(HvCallPciMaskFisr, *(u64*)&dsa, fisrMask);
}

static inline u64 HvCallPci_unmaskFisr(u16 busNumberParm, u8 subBusParm,
		u8 deviceIdParm, u64 fisrMask)
{
	struct HvCallPci_DsaAddr dsa;

	*((u64*)&dsa) = 0;

	dsa.busNumber = busNumberParm;
	dsa.subBusNumber = subBusParm;
	dsa.deviceId = deviceIdParm;

	return HvCall2(HvCallPciUnmaskFisr, *(u64*)&dsa, fisrMask);
}

static inline u64 HvCallPci_getDeviceInfo(u16 busNumberParm, u8 subBusParm,
		u8 deviceNumberParm, u64 parms, u32 sizeofParms)
{
	struct HvCallPci_DsaAddr dsa;

	*((u64*)&dsa) = 0;

	dsa.busNumber = busNumberParm;
	dsa.subBusNumber = subBusParm;
	dsa.deviceId = deviceNumberParm << 4;

	return HvCall3(HvCallPciGetDeviceInfo, *(u64*)&dsa, parms, sizeofParms);
}

static inline u64 HvCallPci_maskInterrupts(u16 busNumberParm, u8 subBusParm,
		u8 deviceIdParm, u64 interruptMask)
{
	struct HvCallPci_DsaAddr dsa;

	*((u64*)&dsa) = 0;

	dsa.busNumber = busNumberParm;
	dsa.subBusNumber = subBusParm;
	dsa.deviceId = deviceIdParm;

	return HvCall2(HvCallPciMaskInterrupts, *(u64*)&dsa, interruptMask);
}

static inline u64 HvCallPci_unmaskInterrupts(u16 busNumberParm, u8 subBusParm,
		u8 deviceIdParm, u64 interruptMask)
{
	struct HvCallPci_DsaAddr dsa;

	*((u64*)&dsa) = 0;

	dsa.busNumber = busNumberParm;
	dsa.subBusNumber = subBusParm;
	dsa.deviceId = deviceIdParm;

	return HvCall2(HvCallPciUnmaskInterrupts, *(u64*)&dsa, interruptMask);
}

static inline u64 HvCallPci_getBusUnitInfo(u16 busNumberParm, u8 subBusParm,
		u8 deviceIdParm, u64 parms, u32 sizeofParms)
{
	struct HvCallPci_DsaAddr dsa;

	*((u64*)&dsa) = 0;

	dsa.busNumber = busNumberParm;
	dsa.subBusNumber = subBusParm;
	dsa.deviceId = deviceIdParm;

	return HvCall3(HvCallPciGetBusUnitInfo, *(u64*)&dsa, parms,
			sizeofParms);
}

static inline int HvCallPci_getBusVpd(u16 busNumParm, u64 destParm,
		u16 sizeParm)
{
	u64 xRc = HvCall4(HvCallPciGetCardVpd, busNumParm, destParm,
			sizeParm, HvCallPci_BusVpd);
	if (xRc == -1)
		return -1;
	else
		return xRc & 0xFFFF;
}

#endif /* _PLATFORMS_ISERIES_CALL_PCI_H */
OpenPOWER on IntegriCloud