/*
- * HvCallEvent.h
* Copyright (C) 2001 Mike Corrigan IBM Corporation
*
* This program is free software; you can redistribute it and/or modify
* 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 <linux/types.h>
+#include <linux/dma-mapping.h>
+
#include <asm/iseries/hv_call_sc.h>
#include <asm/iseries/hv_types.h>
#include <asm/abs_addr.h>
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;
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);
+ HvCall3(HvCallEventSetLpEventStack, queueIndex,
+ virt_to_abs(eventStackAddr), eventStackSize);
}
static inline void HvCallEvent_setLpEventQueueInterruptProc(u8 queueIndex,
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);
+ return HvCall1(HvCallEventSignalLpEvent, virt_to_abs(event));
}
static inline HvLpEvent_Rc HvCallEvent_signalLpEventFast(HvLpIndex targetLp,
{
/* Pack the misc bits into a single Dword to pass to PLIC */
union {
- struct HvCallEvent_PackedParms parms;
+ struct {
+ u8 ack_and_target;
+ u8 type;
+ u16 subtype;
+ HvLpInstanceId src_inst;
+ HvLpInstanceId target_inst;
+ } 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;
+
+ packed.parms.ack_and_target = (ackType << 7) | (ackInd << 6) | targetLp;
+ packed.parms.type = type;
+ packed.parms.subtype = subtype;
+ packed.parms.src_inst = sourceInstanceId;
+ packed.parms.target_inst = targetInstanceId;
return HvCall7(HvCallEventSignalLpEventParms, packed.dword,
correlationToken, eventData1, eventData2,
eventData3, eventData4, eventData5);
}
+extern void *iseries_hv_alloc(size_t size, dma_addr_t *dma_handle, gfp_t flag);
+extern void iseries_hv_free(size_t size, void *vaddr, dma_addr_t dma_handle);
+extern dma_addr_t iseries_hv_map(void *vaddr, size_t size,
+ enum dma_data_direction direction);
+extern void iseries_hv_unmap(dma_addr_t dma_handle, size_t size,
+ enum dma_data_direction direction);
+
static inline HvLpEvent_Rc HvCallEvent_ackLpEvent(struct HvLpEvent *event)
{
- u64 abs_addr;
-
- abs_addr = virt_to_abs(event);
- return HvCall1(HvCallEventAckLpEvent, abs_addr);
+ return HvCall1(HvCallEventAckLpEvent, virt_to_abs(event));
}
static inline HvLpEvent_Rc HvCallEvent_cancelLpEvent(struct HvLpEvent *event)
{
- u64 abs_addr;
-
- abs_addr = virt_to_abs(event);
- return HvCall1(HvCallEventCancelLpEvent, abs_addr);
+ return HvCall1(HvCallEventCancelLpEvent, virt_to_abs(event));
}
static inline HvLpInstanceId HvCallEvent_getSourceLpInstanceId(
{
/* Pack the misc bits into a single Dword to pass to PLIC */
union {
- struct HvCallEvent_PackedDmaParms parms;
+ struct {
+ u8 flags;
+ HvLpIndex remote;
+ u8 type;
+ u8 reserved;
+ HvLpInstanceId local_inst;
+ HvLpInstanceId remote_inst;
+ } 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;
+ packed.parms.flags = (direction << 7) |
+ (localAddressType << 6) | (remoteAddressType << 5);
+ packed.parms.remote = remoteLp;
+ packed.parms.type = type;
+ packed.parms.reserved = 0;
+ packed.parms.local_inst = localInstanceId;
+ packed.parms.remote_inst = 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);
+ return HvCall4(HvCallEventDmaToSp, virt_to_abs(local), remote,
+ length, dir);
}
#endif /* _ASM_POWERPC_ISERIES_HV_CALL_EVENT_H */
projects / linux-2.6-omap-h63xx.git / blobdiff