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diff --git a/include/asm-ppc64/iSeries/HvCallEvent.h b/include/asm-ppc64/iSeries/HvCallEvent.h
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1/*
2 * HvCallEvent.h
3 * Copyright (C) 2001 Mike Corrigan 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 Free Software
17 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
18 */
19
20/*
21 * This file contains the "hypervisor call" interface which is used to
22 * drive the hypervisor from the OS.
23 */
24#ifndef _HVCALLEVENT_H
25#define _HVCALLEVENT_H
26
27/*
28 * Standard Includes
29 */
30#include <asm/iSeries/HvCallSc.h>
31#include <asm/iSeries/HvTypes.h>
32#include <asm/abs_addr.h>
33
34struct HvLpEvent;
35
36typedef u8 HvLpEvent_Type;
37typedef u8 HvLpEvent_AckInd;
38typedef u8 HvLpEvent_AckType;
39
40struct HvCallEvent_PackedParms {
41 u8 xAckType:1;
42 u8 xAckInd:1;
43 u8 xRsvd:1;
44 u8 xTargetLp:5;
45 u8 xType;
46 u16 xSubtype;
47 HvLpInstanceId xSourceInstId;
48 HvLpInstanceId xTargetInstId;
49};
50
51typedef u8 HvLpDma_Direction;
52typedef u8 HvLpDma_AddressType;
53
54struct HvCallEvent_PackedDmaParms {
55 u8 xDirection:1;
56 u8 xLocalAddrType:1;
57 u8 xRemoteAddrType:1;
58 u8 xRsvd1:5;
59 HvLpIndex xRemoteLp;
60 u8 xType;
61 u8 xRsvd2;
62 HvLpInstanceId xLocalInstId;
63 HvLpInstanceId xRemoteInstId;
64};
65
66typedef u64 HvLpEvent_Rc;
67typedef u64 HvLpDma_Rc;
68
69#define HvCallEventAckLpEvent HvCallEvent + 0
70#define HvCallEventCancelLpEvent HvCallEvent + 1
71#define HvCallEventCloseLpEventPath HvCallEvent + 2
72#define HvCallEventDmaBufList HvCallEvent + 3
73#define HvCallEventDmaSingle HvCallEvent + 4
74#define HvCallEventDmaToSp HvCallEvent + 5
75#define HvCallEventGetOverflowLpEvents HvCallEvent + 6
76#define HvCallEventGetSourceLpInstanceId HvCallEvent + 7
77#define HvCallEventGetTargetLpInstanceId HvCallEvent + 8
78#define HvCallEventOpenLpEventPath HvCallEvent + 9
79#define HvCallEventSetLpEventStack HvCallEvent + 10
80#define HvCallEventSignalLpEvent HvCallEvent + 11
81#define HvCallEventSignalLpEventParms HvCallEvent + 12
82#define HvCallEventSetInterLpQueueIndex HvCallEvent + 13
83#define HvCallEventSetLpEventQueueInterruptProc HvCallEvent + 14
84#define HvCallEventRouter15 HvCallEvent + 15
85
86static inline void HvCallEvent_getOverflowLpEvents(u8 queueIndex)
87{
88 HvCall1(HvCallEventGetOverflowLpEvents,queueIndex);
89 // getPaca()->adjustHmtForNoOfSpinLocksHeld();
90}
91
92static inline void HvCallEvent_setInterLpQueueIndex(u8 queueIndex)
93{
94 HvCall1(HvCallEventSetInterLpQueueIndex,queueIndex);
95 // getPaca()->adjustHmtForNoOfSpinLocksHeld();
96}
97
98static inline void HvCallEvent_setLpEventStack(u8 queueIndex,
99 char *eventStackAddr, u32 eventStackSize)
100{
101 u64 abs_addr;
102
103 abs_addr = virt_to_abs(eventStackAddr);
104 HvCall3(HvCallEventSetLpEventStack, queueIndex, abs_addr,
105 eventStackSize);
106 // getPaca()->adjustHmtForNoOfSpinLocksHeld();
107}
108
109static inline void HvCallEvent_setLpEventQueueInterruptProc(u8 queueIndex,
110 u16 lpLogicalProcIndex)
111{
112 HvCall2(HvCallEventSetLpEventQueueInterruptProc, queueIndex,
113 lpLogicalProcIndex);
114 // getPaca()->adjustHmtForNoOfSpinLocksHeld();
115}
116
117static inline HvLpEvent_Rc HvCallEvent_signalLpEvent(struct HvLpEvent *event)
118{
119 u64 abs_addr;
120 HvLpEvent_Rc retVal;
121
122#ifdef DEBUG_SENDEVENT
123 printk("HvCallEvent_signalLpEvent: *event = %016lx\n ",
124 (unsigned long)event);
125#endif
126 abs_addr = virt_to_abs(event);
127 retVal = (HvLpEvent_Rc)HvCall1(HvCallEventSignalLpEvent, abs_addr);
128 // getPaca()->adjustHmtForNoOfSpinLocksHeld();
129 return retVal;
130}
131
132static inline HvLpEvent_Rc HvCallEvent_signalLpEventFast(HvLpIndex targetLp,
133 HvLpEvent_Type type, u16 subtype, HvLpEvent_AckInd ackInd,
134 HvLpEvent_AckType ackType, HvLpInstanceId sourceInstanceId,
135 HvLpInstanceId targetInstanceId, u64 correlationToken,
136 u64 eventData1, u64 eventData2, u64 eventData3,
137 u64 eventData4, u64 eventData5)
138{
139 HvLpEvent_Rc retVal;
140
141 // Pack the misc bits into a single Dword to pass to PLIC
142 union {
143 struct HvCallEvent_PackedParms parms;
144 u64 dword;
145 } packed;
146 packed.parms.xAckType = ackType;
147 packed.parms.xAckInd = ackInd;
148 packed.parms.xRsvd = 0;
149 packed.parms.xTargetLp = targetLp;
150 packed.parms.xType = type;
151 packed.parms.xSubtype = subtype;
152 packed.parms.xSourceInstId = sourceInstanceId;
153 packed.parms.xTargetInstId = targetInstanceId;
154
155 retVal = (HvLpEvent_Rc)HvCall7(HvCallEventSignalLpEventParms,
156 packed.dword, correlationToken, eventData1,eventData2,
157 eventData3,eventData4, eventData5);
158 // getPaca()->adjustHmtForNoOfSpinLocksHeld();
159 return retVal;
160}
161
162static inline HvLpEvent_Rc HvCallEvent_ackLpEvent(struct HvLpEvent *event)
163{
164 u64 abs_addr;
165 HvLpEvent_Rc retVal;
166
167 abs_addr = virt_to_abs(event);
168 retVal = (HvLpEvent_Rc)HvCall1(HvCallEventAckLpEvent, abs_addr);
169 // getPaca()->adjustHmtForNoOfSpinLocksHeld();
170 return retVal;
171}
172
173static inline HvLpEvent_Rc HvCallEvent_cancelLpEvent(struct HvLpEvent *event)
174{
175 u64 abs_addr;
176 HvLpEvent_Rc retVal;
177
178 abs_addr = virt_to_abs(event);
179 retVal = (HvLpEvent_Rc)HvCall1(HvCallEventCancelLpEvent, abs_addr);
180 // getPaca()->adjustHmtForNoOfSpinLocksHeld();
181 return retVal;
182}
183
184static inline HvLpInstanceId HvCallEvent_getSourceLpInstanceId(
185 HvLpIndex targetLp, HvLpEvent_Type type)
186{
187 HvLpInstanceId retVal;
188
189 retVal = HvCall2(HvCallEventGetSourceLpInstanceId, targetLp, type);
190 // getPaca()->adjustHmtForNoOfSpinLocksHeld();
191 return retVal;
192}
193
194static inline HvLpInstanceId HvCallEvent_getTargetLpInstanceId(
195 HvLpIndex targetLp, HvLpEvent_Type type)
196{
197 HvLpInstanceId retVal;
198
199 retVal = HvCall2(HvCallEventGetTargetLpInstanceId, targetLp, type);
200 // getPaca()->adjustHmtForNoOfSpinLocksHeld();
201 return retVal;
202}
203
204static inline void HvCallEvent_openLpEventPath(HvLpIndex targetLp,
205 HvLpEvent_Type type)
206{
207 HvCall2(HvCallEventOpenLpEventPath, targetLp, type);
208 // getPaca()->adjustHmtForNoOfSpinLocksHeld();
209}
210
211static inline void HvCallEvent_closeLpEventPath(HvLpIndex targetLp,
212 HvLpEvent_Type type)
213{
214 HvCall2(HvCallEventCloseLpEventPath, targetLp, type);
215 // getPaca()->adjustHmtForNoOfSpinLocksHeld();
216}
217
218static inline HvLpDma_Rc HvCallEvent_dmaBufList(HvLpEvent_Type type,
219 HvLpIndex remoteLp, HvLpDma_Direction direction,
220 HvLpInstanceId localInstanceId,
221 HvLpInstanceId remoteInstanceId,
222 HvLpDma_AddressType localAddressType,
223 HvLpDma_AddressType remoteAddressType,
224 /* Do these need to be converted to absolute addresses? */
225 u64 localBufList, u64 remoteBufList, u32 transferLength)
226{
227 HvLpDma_Rc retVal;
228 // Pack the misc bits into a single Dword to pass to PLIC
229 union {
230 struct HvCallEvent_PackedDmaParms parms;
231 u64 dword;
232 } packed;
233
234 packed.parms.xDirection = direction;
235 packed.parms.xLocalAddrType = localAddressType;
236 packed.parms.xRemoteAddrType = remoteAddressType;
237 packed.parms.xRsvd1 = 0;
238 packed.parms.xRemoteLp = remoteLp;
239 packed.parms.xType = type;
240 packed.parms.xRsvd2 = 0;
241 packed.parms.xLocalInstId = localInstanceId;
242 packed.parms.xRemoteInstId = remoteInstanceId;
243
244 retVal = (HvLpDma_Rc)HvCall4(HvCallEventDmaBufList,
245 packed.dword, localBufList, remoteBufList,
246 transferLength);
247 // getPaca()->adjustHmtForNoOfSpinLocksHeld();
248 return retVal;
249}
250
251static inline HvLpDma_Rc HvCallEvent_dmaSingle(HvLpEvent_Type type,
252 HvLpIndex remoteLp, HvLpDma_Direction direction,
253 HvLpInstanceId localInstanceId,
254 HvLpInstanceId remoteInstanceId,
255 HvLpDma_AddressType localAddressType,
256 HvLpDma_AddressType remoteAddressType,
257 u64 localAddrOrTce, u64 remoteAddrOrTce, u32 transferLength)
258{
259 HvLpDma_Rc retVal;
260 // Pack the misc bits into a single Dword to pass to PLIC
261 union {
262 struct HvCallEvent_PackedDmaParms parms;
263 u64 dword;
264 } packed;
265
266 packed.parms.xDirection = direction;
267 packed.parms.xLocalAddrType = localAddressType;
268 packed.parms.xRemoteAddrType = remoteAddressType;
269 packed.parms.xRsvd1 = 0;
270 packed.parms.xRemoteLp = remoteLp;
271 packed.parms.xType = type;
272 packed.parms.xRsvd2 = 0;
273 packed.parms.xLocalInstId = localInstanceId;
274 packed.parms.xRemoteInstId = remoteInstanceId;
275
276 retVal = (HvLpDma_Rc)HvCall4(HvCallEventDmaSingle,
277 packed.dword, localAddrOrTce, remoteAddrOrTce,
278 transferLength);
279 // getPaca()->adjustHmtForNoOfSpinLocksHeld();
280 return retVal;
281}
282
283static inline HvLpDma_Rc HvCallEvent_dmaToSp(void* local, u32 remote,
284 u32 length, HvLpDma_Direction dir)
285{
286 u64 abs_addr;
287 HvLpDma_Rc retVal;
288
289 abs_addr = virt_to_abs(local);
290 retVal = (HvLpDma_Rc)HvCall4(HvCallEventDmaToSp, abs_addr, remote,
291 length, dir);
292 // getPaca()->adjustHmtForNoOfSpinLocksHeld();
293 return retVal;
294}
295
296
297#endif /* _HVCALLEVENT_H */
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