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Diffstat (limited to 'include/asm-ppc64/iSeries/HvLpEvent.h')
-rw-r--r--include/asm-ppc64/iSeries/HvLpEvent.h116
1 files changed, 57 insertions, 59 deletions
diff --git a/include/asm-ppc64/iSeries/HvLpEvent.h b/include/asm-ppc64/iSeries/HvLpEvent.h
index 30936e433064..865000de79b6 100644
--- a/include/asm-ppc64/iSeries/HvLpEvent.h
+++ b/include/asm-ppc64/iSeries/HvLpEvent.h
@@ -1,27 +1,24 @@
/*
* HvLpEvent.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 class for HV events in the system.
-//
-//=====================================================================
+/* This file contains the class for HV events in the system. */
+
#ifndef _HVLPEVENT_H
#define _HVLPEVENT_H
@@ -30,69 +27,70 @@
#include <asm/iSeries/HvTypes.h>
#include <asm/iSeries/HvCallEvent.h>
-//=====================================================================
-//
-// HvLpEvent is the structure for Lp Event messages passed between
-// partitions through PLIC.
-//
-//=====================================================================
-
-struct HvEventFlags
-{
- u8 xValid:1; // Indicates a valid request x00-x00
- u8 xRsvd1:4; // Reserved ...
- u8 xAckType:1; // Immediate or deferred ...
- u8 xAckInd:1; // Indicates if ACK required ...
- u8 xFunction:1; // Interrupt or Acknowledge ...
+/*
+ * HvLpEvent is the structure for Lp Event messages passed between
+ * partitions through PLIC.
+ */
+
+struct HvEventFlags {
+ u8 xValid:1; /* Indicates a valid request x00-x00 */
+ u8 xRsvd1:4; /* Reserved ... */
+ u8 xAckType:1; /* Immediate or deferred ... */
+ u8 xAckInd:1; /* Indicates if ACK required ... */
+ u8 xFunction:1; /* Interrupt or Acknowledge ... */
};
-struct HvLpEvent
-{
- struct HvEventFlags xFlags; // Event flags x00-x00
- u8 xType; // Type of message x01-x01
- u16 xSubtype; // Subtype for event x02-x03
- u8 xSourceLp; // Source LP x04-x04
- u8 xTargetLp; // Target LP x05-x05
- u8 xSizeMinus1; // Size of Derived class - 1 x06-x06
- u8 xRc; // RC for Ack flows x07-x07
- u16 xSourceInstanceId; // Source sides instance id x08-x09
- u16 xTargetInstanceId; // Target sides instance id x0A-x0B
+struct HvLpEvent {
+ struct HvEventFlags xFlags; /* Event flags x00-x00 */
+ u8 xType; /* Type of message x01-x01 */
+ u16 xSubtype; /* Subtype for event x02-x03 */
+ u8 xSourceLp; /* Source LP x04-x04 */
+ u8 xTargetLp; /* Target LP x05-x05 */
+ u8 xSizeMinus1; /* Size of Derived class - 1 x06-x06 */
+ u8 xRc; /* RC for Ack flows x07-x07 */
+ u16 xSourceInstanceId; /* Source sides instance id x08-x09 */
+ u16 xTargetInstanceId; /* Target sides instance id x0A-x0B */
union {
- u32 xSubtypeData; // Data usable by the subtype x0C-x0F
- u16 xSubtypeDataShort[2]; // Data as 2 shorts
- u8 xSubtypeDataChar[4]; // Data as 4 chars
+ u32 xSubtypeData; /* Data usable by the subtype x0C-x0F */
+ u16 xSubtypeDataShort[2]; /* Data as 2 shorts */
+ u8 xSubtypeDataChar[4]; /* Data as 4 chars */
} x;
- u64 xCorrelationToken; // Unique value for source/type x10-x17
+ u64 xCorrelationToken; /* Unique value for source/type x10-x17 */
};
-// Lp Event handler function
typedef void (*LpEventHandler)(struct HvLpEvent *, struct pt_regs *);
-// Register a handler for an event type
-// returns 0 on success
-extern int HvLpEvent_registerHandler( HvLpEvent_Type eventType, LpEventHandler hdlr);
-
-// Unregister a handler for an event type
-// This call will sleep until the handler being removed is guaranteed to
-// be no longer executing on any CPU. Do not call with locks held.
-//
-// returns 0 on success
-// Unregister will fail if there are any paths open for the type
-extern int HvLpEvent_unregisterHandler( HvLpEvent_Type eventType );
+/* Register a handler for an event type - returns 0 on success */
+extern int HvLpEvent_registerHandler(HvLpEvent_Type eventType,
+ LpEventHandler hdlr);
-// Open an Lp Event Path for an event type
-// returns 0 on success
-// openPath will fail if there is no handler registered for the event type.
-// The lpIndex specified is the partition index for the target partition
-// (for VirtualIo, VirtualLan and SessionMgr) other types specify zero)
-extern int HvLpEvent_openPath( HvLpEvent_Type eventType, HvLpIndex lpIndex );
+/*
+ * Unregister a handler for an event type
+ *
+ * This call will sleep until the handler being removed is guaranteed to
+ * be no longer executing on any CPU. Do not call with locks held.
+ *
+ * returns 0 on success
+ * Unregister will fail if there are any paths open for the type
+ */
+extern int HvLpEvent_unregisterHandler(HvLpEvent_Type eventType);
+/*
+ * Open an Lp Event Path for an event type
+ * returns 0 on success
+ * openPath will fail if there is no handler registered for the event type.
+ * The lpIndex specified is the partition index for the target partition
+ * (for VirtualIo, VirtualLan and SessionMgr) other types specify zero)
+ */
+extern int HvLpEvent_openPath(HvLpEvent_Type eventType, HvLpIndex lpIndex);
-// Close an Lp Event Path for a type and partition
-// returns 0 on sucess
-extern int HvLpEvent_closePath( HvLpEvent_Type eventType, HvLpIndex lpIndex );
+/*
+ * Close an Lp Event Path for a type and partition
+ * returns 0 on sucess
+ */
+extern int HvLpEvent_closePath(HvLpEvent_Type eventType, HvLpIndex lpIndex);
#define HvLpEvent_Type_Hypervisor 0
#define HvLpEvent_Type_MachineFac 1
@@ -141,4 +139,4 @@ extern int HvLpEvent_closePath( HvLpEvent_Type eventType, HvLpIndex lpIndex );
#define HvLpDma_Rc_InvalidAddress 4
#define HvLpDma_Rc_InvalidLength 5
-#endif // _HVLPEVENT_H
+#endif /* _HVLPEVENT_H */
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