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-rw-r--r--include/asm-powerpc/iseries/hv_call_event.h253
1 files changed, 253 insertions, 0 deletions
diff --git a/include/asm-powerpc/iseries/hv_call_event.h b/include/asm-powerpc/iseries/hv_call_event.h
new file mode 100644
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+++ b/include/asm-powerpc/iseries/hv_call_event.h
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+/*
+ * HvCallEvent.h
+ * Copyright (C) 2001 Mike Corrigan 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
+ */
+/*
+ * This file contains the "hypervisor call" interface which is used to
+ * drive the hypervisor from the OS.
+ */
+#ifndef _ASM_POWERPC_ISERIES_HV_CALL_EVENT_H
+#define _ASM_POWERPC_ISERIES_HV_CALL_EVENT_H
+
+#include <asm/iseries/hv_call_sc.h>
+#include <asm/iseries/hv_types.h>
+#include <asm/abs_addr.h>
+
+struct HvLpEvent;
+
+typedef u8 HvLpEvent_Type;
+typedef u8 HvLpEvent_AckInd;
+typedef u8 HvLpEvent_AckType;
+
+struct HvCallEvent_PackedParms {
+ u8 xAckType:1;
+ u8 xAckInd:1;
+ u8 xRsvd:1;
+ u8 xTargetLp:5;
+ u8 xType;
+ u16 xSubtype;
+ HvLpInstanceId xSourceInstId;
+ HvLpInstanceId xTargetInstId;
+};
+
+typedef u8 HvLpDma_Direction;
+typedef u8 HvLpDma_AddressType;
+
+struct HvCallEvent_PackedDmaParms {
+ u8 xDirection:1;
+ u8 xLocalAddrType:1;
+ u8 xRemoteAddrType:1;
+ u8 xRsvd1:5;
+ HvLpIndex xRemoteLp;
+ u8 xType;
+ u8 xRsvd2;
+ HvLpInstanceId xLocalInstId;
+ HvLpInstanceId xRemoteInstId;
+};
+
+typedef u64 HvLpEvent_Rc;
+typedef u64 HvLpDma_Rc;
+
+#define HvCallEventAckLpEvent HvCallEvent + 0
+#define HvCallEventCancelLpEvent HvCallEvent + 1
+#define HvCallEventCloseLpEventPath HvCallEvent + 2
+#define HvCallEventDmaBufList HvCallEvent + 3
+#define HvCallEventDmaSingle HvCallEvent + 4
+#define HvCallEventDmaToSp HvCallEvent + 5
+#define HvCallEventGetOverflowLpEvents HvCallEvent + 6
+#define HvCallEventGetSourceLpInstanceId HvCallEvent + 7
+#define HvCallEventGetTargetLpInstanceId HvCallEvent + 8
+#define HvCallEventOpenLpEventPath HvCallEvent + 9
+#define HvCallEventSetLpEventStack HvCallEvent + 10
+#define HvCallEventSignalLpEvent HvCallEvent + 11
+#define HvCallEventSignalLpEventParms HvCallEvent + 12
+#define HvCallEventSetInterLpQueueIndex HvCallEvent + 13
+#define HvCallEventSetLpEventQueueInterruptProc HvCallEvent + 14
+#define HvCallEventRouter15 HvCallEvent + 15
+
+static inline void HvCallEvent_getOverflowLpEvents(u8 queueIndex)
+{
+ HvCall1(HvCallEventGetOverflowLpEvents, queueIndex);
+}
+
+static inline void HvCallEvent_setInterLpQueueIndex(u8 queueIndex)
+{
+ HvCall1(HvCallEventSetInterLpQueueIndex, queueIndex);
+}
+
+static inline void HvCallEvent_setLpEventStack(u8 queueIndex,
+ char *eventStackAddr, u32 eventStackSize)
+{
+ u64 abs_addr;
+
+ abs_addr = virt_to_abs(eventStackAddr);
+ HvCall3(HvCallEventSetLpEventStack, queueIndex, abs_addr,
+ eventStackSize);
+}
+
+static inline void HvCallEvent_setLpEventQueueInterruptProc(u8 queueIndex,
+ u16 lpLogicalProcIndex)
+{
+ HvCall2(HvCallEventSetLpEventQueueInterruptProc, queueIndex,
+ lpLogicalProcIndex);
+}
+
+static inline HvLpEvent_Rc HvCallEvent_signalLpEvent(struct HvLpEvent *event)
+{
+ u64 abs_addr;
+
+#ifdef DEBUG_SENDEVENT
+ printk("HvCallEvent_signalLpEvent: *event = %016lx\n ",
+ (unsigned long)event);
+#endif
+ abs_addr = virt_to_abs(event);
+ return HvCall1(HvCallEventSignalLpEvent, abs_addr);
+}
+
+static inline HvLpEvent_Rc HvCallEvent_signalLpEventFast(HvLpIndex targetLp,
+ HvLpEvent_Type type, u16 subtype, HvLpEvent_AckInd ackInd,
+ HvLpEvent_AckType ackType, HvLpInstanceId sourceInstanceId,
+ HvLpInstanceId targetInstanceId, u64 correlationToken,
+ u64 eventData1, u64 eventData2, u64 eventData3,
+ u64 eventData4, u64 eventData5)
+{
+ /* Pack the misc bits into a single Dword to pass to PLIC */
+ union {
+ struct HvCallEvent_PackedParms parms;
+ u64 dword;
+ } packed;
+ packed.parms.xAckType = ackType;
+ packed.parms.xAckInd = ackInd;
+ packed.parms.xRsvd = 0;
+ packed.parms.xTargetLp = targetLp;
+ packed.parms.xType = type;
+ packed.parms.xSubtype = subtype;
+ packed.parms.xSourceInstId = sourceInstanceId;
+ packed.parms.xTargetInstId = targetInstanceId;
+
+ return HvCall7(HvCallEventSignalLpEventParms, packed.dword,
+ correlationToken, eventData1, eventData2,
+ eventData3, eventData4, eventData5);
+}
+
+static inline HvLpEvent_Rc HvCallEvent_ackLpEvent(struct HvLpEvent *event)
+{
+ u64 abs_addr;
+
+ abs_addr = virt_to_abs(event);
+ return HvCall1(HvCallEventAckLpEvent, abs_addr);
+}
+
+static inline HvLpEvent_Rc HvCallEvent_cancelLpEvent(struct HvLpEvent *event)
+{
+ u64 abs_addr;
+
+ abs_addr = virt_to_abs(event);
+ return HvCall1(HvCallEventCancelLpEvent, abs_addr);
+}
+
+static inline HvLpInstanceId HvCallEvent_getSourceLpInstanceId(
+ HvLpIndex targetLp, HvLpEvent_Type type)
+{
+ return HvCall2(HvCallEventGetSourceLpInstanceId, targetLp, type);
+}
+
+static inline HvLpInstanceId HvCallEvent_getTargetLpInstanceId(
+ HvLpIndex targetLp, HvLpEvent_Type type)
+{
+ return HvCall2(HvCallEventGetTargetLpInstanceId, targetLp, type);
+}
+
+static inline void HvCallEvent_openLpEventPath(HvLpIndex targetLp,
+ HvLpEvent_Type type)
+{
+ HvCall2(HvCallEventOpenLpEventPath, targetLp, type);
+}
+
+static inline void HvCallEvent_closeLpEventPath(HvLpIndex targetLp,
+ HvLpEvent_Type type)
+{
+ HvCall2(HvCallEventCloseLpEventPath, targetLp, type);
+}
+
+static inline HvLpDma_Rc HvCallEvent_dmaBufList(HvLpEvent_Type type,
+ HvLpIndex remoteLp, HvLpDma_Direction direction,
+ HvLpInstanceId localInstanceId,
+ HvLpInstanceId remoteInstanceId,
+ HvLpDma_AddressType localAddressType,
+ HvLpDma_AddressType remoteAddressType,
+ /* Do these need to be converted to absolute addresses? */
+ u64 localBufList, u64 remoteBufList, u32 transferLength)
+{
+ /* Pack the misc bits into a single Dword to pass to PLIC */
+ union {
+ struct HvCallEvent_PackedDmaParms parms;
+ u64 dword;
+ } packed;
+
+ packed.parms.xDirection = direction;
+ packed.parms.xLocalAddrType = localAddressType;
+ packed.parms.xRemoteAddrType = remoteAddressType;
+ packed.parms.xRsvd1 = 0;
+ packed.parms.xRemoteLp = remoteLp;
+ packed.parms.xType = type;
+ packed.parms.xRsvd2 = 0;
+ packed.parms.xLocalInstId = localInstanceId;
+ packed.parms.xRemoteInstId = remoteInstanceId;
+
+ return HvCall4(HvCallEventDmaBufList, packed.dword, localBufList,
+ remoteBufList, transferLength);
+}
+
+static inline HvLpDma_Rc HvCallEvent_dmaSingle(HvLpEvent_Type type,
+ HvLpIndex remoteLp, HvLpDma_Direction direction,
+ HvLpInstanceId localInstanceId,
+ HvLpInstanceId remoteInstanceId,
+ HvLpDma_AddressType localAddressType,
+ HvLpDma_AddressType remoteAddressType,
+ u64 localAddrOrTce, u64 remoteAddrOrTce, u32 transferLength)
+{
+ /* Pack the misc bits into a single Dword to pass to PLIC */
+ union {
+ struct HvCallEvent_PackedDmaParms parms;
+ u64 dword;
+ } packed;
+
+ packed.parms.xDirection = direction;
+ packed.parms.xLocalAddrType = localAddressType;
+ packed.parms.xRemoteAddrType = remoteAddressType;
+ packed.parms.xRsvd1 = 0;
+ packed.parms.xRemoteLp = remoteLp;
+ packed.parms.xType = type;
+ packed.parms.xRsvd2 = 0;
+ packed.parms.xLocalInstId = localInstanceId;
+ packed.parms.xRemoteInstId = remoteInstanceId;
+
+ return (HvLpDma_Rc)HvCall4(HvCallEventDmaSingle, packed.dword,
+ localAddrOrTce, remoteAddrOrTce, transferLength);
+}
+
+static inline HvLpDma_Rc HvCallEvent_dmaToSp(void *local, u32 remote,
+ u32 length, HvLpDma_Direction dir)
+{
+ u64 abs_addr;
+
+ abs_addr = virt_to_abs(local);
+ return HvCall4(HvCallEventDmaToSp, abs_addr, remote, length, dir);
+}
+
+#endif /* _ASM_POWERPC_ISERIES_HV_CALL_EVENT_H */