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/**********************************************************************
*
* Copyright (C) Imagination Technologies Ltd. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
* version 2, as published by the Free Software Foundation.
*
* This program is distributed in the hope it will be useful but, except
* as otherwise stated in writing, 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.,
* 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
*
* The full GNU General Public License is included in this distribution in
* the file called "COPYING".
*
* Contact Information:
* Imagination Technologies Ltd. <gpl-support@imgtec.com>
* Home Park Estate, Kings Langley, Herts, WD4 8LZ, UK
*
******************************************************************************/
#ifndef __BRIDGED_PVR_BRIDGE_H__
#define __BRIDGED_PVR_BRIDGE_H__
#include "pvr_bridge.h"
#if defined(__cplusplus)
extern "C" {
#endif
#if defined(__linux__)
#define PVRSRV_GET_BRIDGE_ID(X) _IOC_NR(X)
#else
#define PVRSRV_GET_BRIDGE_ID(X) ((X) - PVRSRV_IOWR(PVRSRV_BRIDGE_CORE_CMD_FIRST))
#endif
#ifndef ENOMEM
#define ENOMEM 12
#endif
#ifndef EFAULT
#define EFAULT 14
#endif
#ifndef ENOTTY
#define ENOTTY 25
#endif
#if defined(DEBUG_BRIDGE_KM)
PVRSRV_ERROR
CopyFromUserWrapper(PVRSRV_PER_PROCESS_DATA *pProcData,
IMG_UINT32 ui32BridgeID,
IMG_VOID *pvDest,
IMG_VOID *pvSrc,
IMG_UINT32 ui32Size);
PVRSRV_ERROR
CopyToUserWrapper(PVRSRV_PER_PROCESS_DATA *pProcData,
IMG_UINT32 ui32BridgeID,
IMG_VOID *pvDest,
IMG_VOID *pvSrc,
IMG_UINT32 ui32Size);
#else
#define CopyFromUserWrapper(pProcData, ui32BridgeID, pvDest, pvSrc, ui32Size) \
OSCopyFromUser(pProcData, pvDest, pvSrc, ui32Size)
#define CopyToUserWrapper(pProcData, ui32BridgeID, pvDest, pvSrc, ui32Size) \
OSCopyToUser(pProcData, pvDest, pvSrc, ui32Size)
#endif
#define ASSIGN_AND_RETURN_ON_ERROR(error, src, res) \
do \
{ \
(error) = (src); \
if ((error) != PVRSRV_OK) \
{ \
return (res); \
} \
} while ((error) != PVRSRV_OK);
#define ASSIGN_AND_EXIT_ON_ERROR(error, src) \
ASSIGN_AND_RETURN_ON_ERROR(error, src, 0)
#if defined (PVR_SECURE_HANDLES) || defined (SUPPORT_SID_INTERFACE)
#ifdef INLINE_IS_PRAGMA
#pragma inline(NewHandleBatch)
#endif
static INLINE PVRSRV_ERROR
NewHandleBatch(PVRSRV_PER_PROCESS_DATA *psPerProc,
IMG_UINT32 ui32BatchSize)
{
PVRSRV_ERROR eError;
PVR_ASSERT(!psPerProc->bHandlesBatched);
eError = PVRSRVNewHandleBatch(psPerProc->psHandleBase, ui32BatchSize);
if (eError == PVRSRV_OK)
{
psPerProc->bHandlesBatched = IMG_TRUE;
}
return eError;
}
#define NEW_HANDLE_BATCH_OR_ERROR(error, psPerProc, ui32BatchSize) \
ASSIGN_AND_EXIT_ON_ERROR(error, NewHandleBatch(psPerProc, ui32BatchSize))
#ifdef INLINE_IS_PRAGMA
#pragma inline(CommitHandleBatch)
#endif
static INLINE PVRSRV_ERROR
CommitHandleBatch(PVRSRV_PER_PROCESS_DATA *psPerProc)
{
PVR_ASSERT(psPerProc->bHandlesBatched);
psPerProc->bHandlesBatched = IMG_FALSE;
return PVRSRVCommitHandleBatch(psPerProc->psHandleBase);
}
#define COMMIT_HANDLE_BATCH_OR_ERROR(error, psPerProc) \
ASSIGN_AND_EXIT_ON_ERROR(error, CommitHandleBatch(psPerProc))
#ifdef INLINE_IS_PRAGMA
#pragma inline(ReleaseHandleBatch)
#endif
static INLINE IMG_VOID
ReleaseHandleBatch(PVRSRV_PER_PROCESS_DATA *psPerProc)
{
if (psPerProc->bHandlesBatched)
{
psPerProc->bHandlesBatched = IMG_FALSE;
PVRSRVReleaseHandleBatch(psPerProc->psHandleBase);
}
}
#else
#define NEW_HANDLE_BATCH_OR_ERROR(error, psPerProc, ui32BatchSize)
#define COMMIT_HANDLE_BATCH_OR_ERROR(error, psPerProc)
#define ReleaseHandleBatch(psPerProc)
#endif
IMG_INT
DummyBW(IMG_UINT32 ui32BridgeID,
IMG_VOID *psBridgeIn,
IMG_VOID *psBridgeOut,
PVRSRV_PER_PROCESS_DATA *psPerProc);
typedef IMG_INT (*BridgeWrapperFunction)(IMG_UINT32 ui32BridgeID,
IMG_VOID *psBridgeIn,
IMG_VOID *psBridgeOut,
PVRSRV_PER_PROCESS_DATA *psPerProc);
typedef struct _PVRSRV_BRIDGE_DISPATCH_TABLE_ENTRY
{
BridgeWrapperFunction pfFunction;
size_t in_size;
size_t out_size;
#if defined(DEBUG_BRIDGE_KM)
const IMG_CHAR *pszIOCName;
const IMG_CHAR *pszFunctionName;
IMG_UINT32 ui32CallCount;
IMG_UINT32 ui32CopyFromUserTotalBytes;
IMG_UINT32 ui32CopyToUserTotalBytes;
#endif
}PVRSRV_BRIDGE_DISPATCH_TABLE_ENTRY;
#if defined(SUPPORT_VGX) || defined(SUPPORT_MSVDX)
#if defined(SUPPORT_VGX)
#define BRIDGE_DISPATCH_TABLE_ENTRY_COUNT (PVRSRV_BRIDGE_LAST_VGX_CMD+1)
#define PVRSRV_BRIDGE_LAST_DEVICE_CMD PVRSRV_BRIDGE_LAST_VGX_CMD
#else
#define BRIDGE_DISPATCH_TABLE_ENTRY_COUNT (PVRSRV_BRIDGE_LAST_MSVDX_CMD+1)
#define PVRSRV_BRIDGE_LAST_DEVICE_CMD PVRSRV_BRIDGE_LAST_MSVDX_CMD
#endif
#else
#if defined(SUPPORT_SGX)
#define BRIDGE_DISPATCH_TABLE_ENTRY_COUNT (PVRSRV_BRIDGE_LAST_SGX_CMD+1)
#define PVRSRV_BRIDGE_LAST_DEVICE_CMD PVRSRV_BRIDGE_LAST_SGX_CMD
#else
#define BRIDGE_DISPATCH_TABLE_ENTRY_COUNT (PVRSRV_BRIDGE_LAST_NON_DEVICE_CMD+1)
#define PVRSRV_BRIDGE_LAST_DEVICE_CMD PVRSRV_BRIDGE_LAST_NON_DEVICE_CMD
#endif
#endif
extern PVRSRV_BRIDGE_DISPATCH_TABLE_ENTRY g_BridgeDispatchTable[BRIDGE_DISPATCH_TABLE_ENTRY_COUNT];
IMG_VOID
_SetDispatchTableEntry(IMG_UINT32 ui32Index,
const IMG_CHAR *pszIOCName,
BridgeWrapperFunction pfFunction,
const IMG_CHAR *pszFunctionName,
size_t in_size, size_t out_size);
#define __set_table(id, fn, in_size, out_size) \
_SetDispatchTableEntry(PVRSRV_GET_BRIDGE_ID(id), #id, \
(BridgeWrapperFunction)fn, #fn, \
in_size, out_size)
#define PVR_IO_RW(id, fn) \
__set_table(PVRSRV_BRIDGE_##id, fn, \
sizeof(PVRSRV_BRIDGE_IN_##id), sizeof(PVRSRV_BRIDGE_OUT_##id))
#define PVR_IO_R(id, fn) \
__set_table(PVRSRV_BRIDGE_##id, fn, 0, sizeof(PVRSRV_BRIDGE_OUT_##id))
#define PVR_IO_W(id, fn) \
__set_table(PVRSRV_BRIDGE_##id, fn, sizeof(PVRSRV_BRIDGE_IN_##id), \
sizeof(PVRSRV_BRIDGE_RETURN))
#define PVR_IO_NSTD(id, fn, in_size, out_size) \
__set_table(PVRSRV_BRIDGE_##id, fn, in_size, out_size)
#define PVR_IO_INV(id) \
__set_table(PVRSRV_BRIDGE_##id, DummyBW, 0, 0)
#define DISPATCH_TABLE_GAP_THRESHOLD 5
#if defined(DEBUG)
#define PVRSRV_BRIDGE_ASSERT_CMD(X, Y) PVR_ASSERT(X == PVRSRV_GET_BRIDGE_ID(Y))
#else
#define PVRSRV_BRIDGE_ASSERT_CMD(X, Y) PVR_UNREFERENCED_PARAMETER(X)
#endif
#if defined(DEBUG_BRIDGE_KM)
typedef struct _PVRSRV_BRIDGE_GLOBAL_STATS
{
IMG_UINT32 ui32IOCTLCount;
IMG_UINT32 ui32TotalCopyFromUserBytes;
IMG_UINT32 ui32TotalCopyToUserBytes;
}PVRSRV_BRIDGE_GLOBAL_STATS;
extern PVRSRV_BRIDGE_GLOBAL_STATS g_BridgeGlobalStats;
#endif
PVRSRV_ERROR CommonBridgeInit(IMG_VOID);
IMG_INT BridgedDispatchKM(PVRSRV_PER_PROCESS_DATA * psPerProc,
PVRSRV_BRIDGE_PACKAGE * psBridgePackageKM);
#if defined (__cplusplus)
}
#endif
#endif
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