diff options
Diffstat (limited to 'drivers/gpu/drm/emgd/pvr/services4/srvkm/env/linux/pvr_bridge_k.c')
| -rw-r--r-- | drivers/gpu/drm/emgd/pvr/services4/srvkm/env/linux/pvr_bridge_k.c | 651 |
1 files changed, 0 insertions, 651 deletions
diff --git a/drivers/gpu/drm/emgd/pvr/services4/srvkm/env/linux/pvr_bridge_k.c b/drivers/gpu/drm/emgd/pvr/services4/srvkm/env/linux/pvr_bridge_k.c deleted file mode 100644 index 48274c753932..000000000000 --- a/drivers/gpu/drm/emgd/pvr/services4/srvkm/env/linux/pvr_bridge_k.c +++ /dev/null @@ -1,651 +0,0 @@ -/********************************************************************** - * - * Copyright(c) 2008 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 - * - ******************************************************************************/ - -#include "img_defs.h" -#include "services.h" -#include "pvr_bridge.h" -#include "perproc.h" -#include "mutex.h" -#include "sysconfig.h" -#include "pvr_debug.h" -#include "proc.h" -#include "private_data.h" -#include "linkage.h" -#include "pvr_bridge_km.h" - -#if defined(SUPPORT_DRI_DRM) -#include <drm/drmP.h> -#include "pvr_drm.h" -#if defined(PVR_SECURE_DRM_AUTH_EXPORT) -#include "env_perproc.h" -#endif -#endif - -#if defined(SUPPORT_VGX) -#include "vgx_bridge.h" -#endif - -#if defined(SUPPORT_SGX) -#include "sgx_bridge.h" -#endif - -#include "bridged_pvr_bridge.h" - -#ifdef MODULE_TEST -#include "pvr_test_bridge.h" -#include "kern_test.h" -#endif - - -#if defined(SUPPORT_DRI_DRM) -#define PRIVATE_DATA(pFile) ((pFile)->driver_priv) -#else -#define PRIVATE_DATA(pFile) ((pFile)->private_data) -#endif - -#if defined(DEBUG_BRIDGE_KM) - -#ifdef PVR_PROC_USE_SEQ_FILE -static struct proc_dir_entry *g_ProcBridgeStats =0; -static void* ProcSeqNextBridgeStats(struct seq_file *sfile,void* el,loff_t off); -static void ProcSeqShowBridgeStats(struct seq_file *sfile,void* el); -static void* ProcSeqOff2ElementBridgeStats(struct seq_file * sfile, loff_t off); -static void ProcSeqStartstopBridgeStats(struct seq_file *sfile,IMG_BOOL start); - -#else -static off_t printLinuxBridgeStats(IMG_CHAR * buffer, size_t size, off_t off); -#endif - -#endif - -extern PVRSRV_LINUX_MUTEX gPVRSRVLock; - -#if defined(SUPPORT_MEMINFO_IDS) -static IMG_UINT64 ui64Stamp; -#endif - -PVRSRV_ERROR -LinuxBridgeInit(IMG_VOID) -{ -#if defined(DEBUG_BRIDGE_KM) - { - IMG_INT iStatus; -#ifdef PVR_PROC_USE_SEQ_FILE - g_ProcBridgeStats = CreateProcReadEntrySeq( - "bridge_stats", - NULL, - ProcSeqNextBridgeStats, - ProcSeqShowBridgeStats, - ProcSeqOff2ElementBridgeStats, - ProcSeqStartstopBridgeStats - ); - iStatus = !g_ProcBridgeStats ? -1 : 0; -#else - iStatus = CreateProcReadEntry("bridge_stats", printLinuxBridgeStats); -#endif - - if(iStatus!=0) - { - return PVRSRV_ERROR_OUT_OF_MEMORY; - } - } -#endif - return CommonBridgeInit(); -} - -IMG_VOID -LinuxBridgeDeInit(IMG_VOID) -{ -#if defined(DEBUG_BRIDGE_KM) -#ifdef PVR_PROC_USE_SEQ_FILE - RemoveProcEntrySeq(g_ProcBridgeStats); -#else - RemoveProcEntry("bridge_stats"); -#endif -#endif -} - -#if defined(DEBUG_BRIDGE_KM) - -#ifdef PVR_PROC_USE_SEQ_FILE - -static void ProcSeqStartstopBridgeStats(struct seq_file *sfile,IMG_BOOL start) -{ - if(start) - { - LinuxLockMutex(&gPVRSRVLock); - } - else - { - LinuxUnLockMutex(&gPVRSRVLock); - } -} - - -static void* ProcSeqOff2ElementBridgeStats(struct seq_file *sfile, loff_t off) -{ - if(!off) - { - return PVR_PROC_SEQ_START_TOKEN; - } - - if(off > BRIDGE_DISPATCH_TABLE_ENTRY_COUNT) - { - return (void*)0; - } - - - return (void*)&g_BridgeDispatchTable[off-1]; -} - -static void* ProcSeqNextBridgeStats(struct seq_file *sfile,void* el,loff_t off) -{ - return ProcSeqOff2ElementBridgeStats(sfile,off); -} - - -static void ProcSeqShowBridgeStats(struct seq_file *sfile,void* el) -{ - PVRSRV_BRIDGE_DISPATCH_TABLE_ENTRY *psEntry = ( PVRSRV_BRIDGE_DISPATCH_TABLE_ENTRY*)el; - - if(el == PVR_PROC_SEQ_START_TOKEN) - { - seq_printf(sfile, - "Total ioctl call count = %lu\n" - "Total number of bytes copied via copy_from_user = %lu\n" - "Total number of bytes copied via copy_to_user = %lu\n" - "Total number of bytes copied via copy_*_user = %lu\n\n" - "%-45s | %-40s | %10s | %20s | %10s\n", - g_BridgeGlobalStats.ui32IOCTLCount, - g_BridgeGlobalStats.ui32TotalCopyFromUserBytes, - g_BridgeGlobalStats.ui32TotalCopyToUserBytes, - g_BridgeGlobalStats.ui32TotalCopyFromUserBytes+g_BridgeGlobalStats.ui32TotalCopyToUserBytes, - "Bridge Name", - "Wrapper Function", - "Call Count", - "copy_from_user Bytes", - "copy_to_user Bytes" - ); - return; - } - - seq_printf(sfile, - "%-45s %-40s %-10lu %-20lu %-10lu\n", - psEntry->pszIOCName, - psEntry->pszFunctionName, - psEntry->ui32CallCount, - psEntry->ui32CopyFromUserTotalBytes, - psEntry->ui32CopyToUserTotalBytes); -} - -#else - -static off_t -printLinuxBridgeStats(IMG_CHAR * buffer, size_t count, off_t off) -{ - PVRSRV_BRIDGE_DISPATCH_TABLE_ENTRY *psEntry; - off_t Ret; - - LinuxLockMutex(&gPVRSRVLock); - - if(!off) - { - if(count < 500) - { - Ret = 0; - goto unlock_and_return; - } - Ret = printAppend(buffer, count, 0, - "Total ioctl call count = %lu\n" - "Total number of bytes copied via copy_from_user = %lu\n" - "Total number of bytes copied via copy_to_user = %lu\n" - "Total number of bytes copied via copy_*_user = %lu\n\n" - "%-45s | %-40s | %10s | %20s | %10s\n", - g_BridgeGlobalStats.ui32IOCTLCount, - g_BridgeGlobalStats.ui32TotalCopyFromUserBytes, - g_BridgeGlobalStats.ui32TotalCopyToUserBytes, - g_BridgeGlobalStats.ui32TotalCopyFromUserBytes+g_BridgeGlobalStats.ui32TotalCopyToUserBytes, - "Bridge Name", - "Wrapper Function", - "Call Count", - "copy_from_user Bytes", - "copy_to_user Bytes" - ); - goto unlock_and_return; - } - - if(off > BRIDGE_DISPATCH_TABLE_ENTRY_COUNT) - { - Ret = END_OF_FILE; - goto unlock_and_return; - } - - if(count < 300) - { - Ret = 0; - goto unlock_and_return; - } - - psEntry = &g_BridgeDispatchTable[off-1]; - Ret = printAppend(buffer, count, 0, - "%-45s %-40s %-10lu %-20lu %-10lu\n", - psEntry->pszIOCName, - psEntry->pszFunctionName, - psEntry->ui32CallCount, - psEntry->ui32CopyFromUserTotalBytes, - psEntry->ui32CopyToUserTotalBytes); - -unlock_and_return: - LinuxUnLockMutex(&gPVRSRVLock); - return Ret; -} -#endif -#endif - - - -#if defined(SUPPORT_DRI_DRM) -IMG_INT -PVRSRV_BridgeDispatchKM(struct drm_device *dev, IMG_VOID *arg, struct drm_file *pFile) -#else -IMG_INT32 -PVRSRV_BridgeDispatchKM(struct file *pFile, IMG_UINT unref__ ioctlCmd, IMG_UINT32 arg) -#endif -{ - IMG_UINT32 cmd; -#if !defined(SUPPORT_DRI_DRM) - PVRSRV_BRIDGE_PACKAGE *psBridgePackageUM = (PVRSRV_BRIDGE_PACKAGE *)arg; - PVRSRV_BRIDGE_PACKAGE sBridgePackageKM; -#endif - PVRSRV_BRIDGE_PACKAGE *psBridgePackageKM; - IMG_UINT32 ui32PID = OSGetCurrentProcessIDKM(); - PVRSRV_PER_PROCESS_DATA *psPerProc; - IMG_INT err = -EFAULT; - - LinuxLockMutex(&gPVRSRVLock); - -#if defined(SUPPORT_DRI_DRM) - PVR_UNREFERENCED_PARAMETER(dev); - - psBridgePackageKM = (PVRSRV_BRIDGE_PACKAGE *)arg; - PVR_ASSERT(psBridgePackageKM != IMG_NULL); -#else - PVR_UNREFERENCED_PARAMETER(ioctlCmd); - - psBridgePackageKM = &sBridgePackageKM; - - if(!OSAccessOK(PVR_VERIFY_WRITE, - psBridgePackageUM, - sizeof(PVRSRV_BRIDGE_PACKAGE))) - { - PVR_DPF((PVR_DBG_ERROR, "%s: Received invalid pointer to function arguments", - __FUNCTION__)); - - goto unlock_and_return; - } - - - if(OSCopyFromUser(IMG_NULL, - psBridgePackageKM, - psBridgePackageUM, - sizeof(PVRSRV_BRIDGE_PACKAGE)) - != PVRSRV_OK) - { - goto unlock_and_return; - } -#endif - - cmd = psBridgePackageKM->ui32BridgeID; - -#if defined(MODULE_TEST) - switch (cmd) - { - case PVRSRV_BRIDGE_SERVICES_TEST_MEM1: - { - PVRSRV_ERROR eError = MemTest1(); - if (psBridgePackageKM->ui32OutBufferSize == sizeof(PVRSRV_BRIDGE_RETURN)) - { - PVRSRV_BRIDGE_RETURN* pReturn = (PVRSRV_BRIDGE_RETURN*)psBridgePackageKM->pvParamOut ; - pReturn->eError = eError; - } - } - err = 0; - goto unlock_and_return; - case PVRSRV_BRIDGE_SERVICES_TEST_MEM2: - { - PVRSRV_ERROR eError = MemTest2(); - if (psBridgePackageKM->ui32OutBufferSize == sizeof(PVRSRV_BRIDGE_RETURN)) - { - PVRSRV_BRIDGE_RETURN* pReturn = (PVRSRV_BRIDGE_RETURN*)psBridgePackageKM->pvParamOut ; - pReturn->eError = eError; - } - } - err = 0; - goto unlock_and_return; - - case PVRSRV_BRIDGE_SERVICES_TEST_RESOURCE: - { - PVRSRV_ERROR eError = ResourceTest(); - if (psBridgePackageKM->ui32OutBufferSize == sizeof(PVRSRV_BRIDGE_RETURN)) - { - PVRSRV_BRIDGE_RETURN* pReturn = (PVRSRV_BRIDGE_RETURN*)psBridgePackageKM->pvParamOut ; - pReturn->eError = eError; - } - } - err = 0; - goto unlock_and_return; - - case PVRSRV_BRIDGE_SERVICES_TEST_EVENTOBJECT: - { - PVRSRV_ERROR eError = EventObjectTest(); - if (psBridgePackageKM->ui32OutBufferSize == sizeof(PVRSRV_BRIDGE_RETURN)) - { - PVRSRV_BRIDGE_RETURN* pReturn = (PVRSRV_BRIDGE_RETURN*)psBridgePackageKM->pvParamOut ; - pReturn->eError = eError; - } - } - err = 0; - goto unlock_and_return; - - case PVRSRV_BRIDGE_SERVICES_TEST_MEMMAPPING: - { - PVRSRV_ERROR eError = MemMappingTest(); - if (psBridgePackageKM->ui32OutBufferSize == sizeof(PVRSRV_BRIDGE_RETURN)) - { - PVRSRV_BRIDGE_RETURN* pReturn = (PVRSRV_BRIDGE_RETURN*)psBridgePackageKM->pvParamOut ; - pReturn->eError = eError; - } - } - err = 0; - goto unlock_and_return; - - case PVRSRV_BRIDGE_SERVICES_TEST_PROCESSID: - { - PVRSRV_ERROR eError = ProcessIDTest(); - if (psBridgePackageKM->ui32OutBufferSize == sizeof(PVRSRV_BRIDGE_RETURN)) - { - PVRSRV_BRIDGE_RETURN* pReturn = (PVRSRV_BRIDGE_RETURN*)psBridgePackageKM->pvParamOut ; - pReturn->eError = eError; - } - } - err = 0; - goto unlock_and_return; - - case PVRSRV_BRIDGE_SERVICES_TEST_CLOCKUSWAITUS: - { - PVRSRV_ERROR eError = ClockusWaitusTest(); - if (psBridgePackageKM->ui32OutBufferSize == sizeof(PVRSRV_BRIDGE_RETURN)) - { - PVRSRV_BRIDGE_RETURN* pReturn = (PVRSRV_BRIDGE_RETURN*)psBridgePackageKM->pvParamOut ; - pReturn->eError = eError; - } - } - err = 0; - goto unlock_and_return; - - case PVRSRV_BRIDGE_SERVICES_TEST_TIMER: - { - PVRSRV_ERROR eError = TimerTest(); - if (psBridgePackageKM->ui32OutBufferSize == sizeof(PVRSRV_BRIDGE_RETURN)) - { - PVRSRV_BRIDGE_RETURN* pReturn = (PVRSRV_BRIDGE_RETURN*)psBridgePackageKM->pvParamOut ; - pReturn->eError = eError; - } - } - err = 0; - goto unlock_and_return; - - case PVRSRV_BRIDGE_SERVICES_TEST_PRIVSRV: - { - PVRSRV_ERROR eError = PrivSrvTest(); - if (psBridgePackageKM->ui32OutBufferSize == sizeof(PVRSRV_BRIDGE_RETURN)) - { - PVRSRV_BRIDGE_RETURN* pReturn = (PVRSRV_BRIDGE_RETURN*)psBridgePackageKM->pvParamOut ; - pReturn->eError = eError; - } - } - err = 0; - goto unlock_and_return; - case PVRSRV_BRIDGE_SERVICES_TEST_COPYDATA: - { - IMG_UINT32 ui32PID; - PVRSRV_PER_PROCESS_DATA *psPerProc; - PVRSRV_ERROR eError; - - ui32PID = OSGetCurrentProcessIDKM(); - - PVRSRVTrace("PVRSRV_BRIDGE_SERVICES_TEST_COPYDATA %d", ui32PID); - - psPerProc = PVRSRVPerProcessData(ui32PID); - - eError = CopyDataTest(psBridgePackageKM->pvParamIn, psBridgePackageKM->pvParamOut, psPerProc); - - *(PVRSRV_ERROR*)psBridgePackageKM->pvParamOut = eError; - err = 0; - goto unlock_and_return; - } - - - case PVRSRV_BRIDGE_SERVICES_TEST_POWERMGMT: - { - PVRSRV_ERROR eError = PowerMgmtTest(); - if (psBridgePackageKM->ui32OutBufferSize == sizeof(PVRSRV_BRIDGE_RETURN)) - { - PVRSRV_BRIDGE_RETURN* pReturn = (PVRSRV_BRIDGE_RETURN*)psBridgePackageKM->pvParamOut ; - pReturn->eError = eError; - } - } - err = 0; - goto unlock_and_return; - - } -#endif - - if(cmd != PVRSRV_BRIDGE_CONNECT_SERVICES) - { - PVRSRV_ERROR eError; - - eError = PVRSRVLookupHandle(KERNEL_HANDLE_BASE, - (IMG_PVOID *)&psPerProc, - psBridgePackageKM->hKernelServices, - PVRSRV_HANDLE_TYPE_PERPROC_DATA); - if(eError != PVRSRV_OK) - { - PVR_DPF((PVR_DBG_ERROR, "%s: Invalid kernel services handle (%d)", - __FUNCTION__, eError)); - goto unlock_and_return; - } - - if(psPerProc->ui32PID != ui32PID) - { - PVR_DPF((PVR_DBG_ERROR, "%s: Process %d tried to access data " - "belonging to process %d", __FUNCTION__, ui32PID, - psPerProc->ui32PID)); - goto unlock_and_return; - } - } - else - { - - psPerProc = PVRSRVPerProcessData(ui32PID); - if(psPerProc == IMG_NULL) - { - PVR_DPF((PVR_DBG_ERROR, "PVRSRV_BridgeDispatchKM: " - "Couldn't create per-process data area")); - goto unlock_and_return; - } - } - - psBridgePackageKM->ui32BridgeID = PVRSRV_GET_BRIDGE_ID(psBridgePackageKM->ui32BridgeID); - -#if defined(PVR_SECURE_FD_EXPORT) - switch(cmd) - { - case PVRSRV_BRIDGE_EXPORT_DEVICEMEM: - { - PVRSRV_FILE_PRIVATE_DATA *psPrivateData = PRIVATE_DATA(pFile); - - if(psPrivateData->hKernelMemInfo) - { - PVR_DPF((PVR_DBG_ERROR, "%s: Can only export one MemInfo " - "per file descriptor", __FUNCTION__)); - err = -EINVAL; - goto unlock_and_return; - } - break; - } - - case PVRSRV_BRIDGE_MAP_DEV_MEMORY: - { - PVRSRV_BRIDGE_IN_MAP_DEV_MEMORY *psMapDevMemIN = - (PVRSRV_BRIDGE_IN_MAP_DEV_MEMORY *)psBridgePackageKM->pvParamIn; - PVRSRV_FILE_PRIVATE_DATA *psPrivateData = PRIVATE_DATA(pFile); - - if(!psPrivateData->hKernelMemInfo) - { - PVR_DPF((PVR_DBG_ERROR, "%s: File descriptor has no " - "associated MemInfo handle", __FUNCTION__)); - err = -EINVAL; - goto unlock_and_return; - } - - psMapDevMemIN->hKernelMemInfo = psPrivateData->hKernelMemInfo; - break; - } - - default: - { - PVRSRV_FILE_PRIVATE_DATA *psPrivateData = PRIVATE_DATA(pFile); - - if(psPrivateData->hKernelMemInfo) - { - PVR_DPF((PVR_DBG_ERROR, "%s: Import/Export handle tried " - "to use privileged service", __FUNCTION__)); - goto unlock_and_return; - } - break; - } - } -#endif -#if defined(SUPPORT_DRI_DRM) && defined(PVR_SECURE_DRM_AUTH_EXPORT) - switch(cmd) - { - case PVRSRV_BRIDGE_MAP_DEV_MEMORY: - case PVRSRV_BRIDGE_MAP_DEVICECLASS_MEMORY: - { - PVRSRV_FILE_PRIVATE_DATA *psPrivateData; - int authenticated = pFile->authenticated; - PVRSRV_ENV_PER_PROCESS_DATA *psEnvPerProc; - - if (authenticated) - { - break; - } - - - psEnvPerProc = (PVRSRV_ENV_PER_PROCESS_DATA *)PVRSRVProcessPrivateData(psPerProc); - if (psEnvPerProc == IMG_NULL) - { - PVR_DPF((PVR_DBG_ERROR, "%s: Process private data not allocated", __FUNCTION__)); - err = -EFAULT; - goto unlock_and_return; - } - - list_for_each_entry(psPrivateData, &psEnvPerProc->sDRMAuthListHead, sDRMAuthListItem) - { - struct drm_file *psDRMFile = psPrivateData->psDRMFile; - - if (pFile->master == psDRMFile->master) - { - authenticated |= psDRMFile->authenticated; - if (authenticated) - { - break; - } - } - } - - if (!authenticated) - { - PVR_DPF((PVR_DBG_ERROR, "%s: Not authenticated for mapping device or device class memory", __FUNCTION__)); - err = -EPERM; - goto unlock_and_return; - } - break; - } - default: - break; - } -#endif - - err = BridgedDispatchKM(psPerProc, psBridgePackageKM); - if(err != PVRSRV_OK) - goto unlock_and_return; - - switch(cmd) - { -#if defined(PVR_SECURE_FD_EXPORT) - case PVRSRV_BRIDGE_EXPORT_DEVICEMEM: - { - PVRSRV_BRIDGE_OUT_EXPORTDEVICEMEM *psExportDeviceMemOUT = - (PVRSRV_BRIDGE_OUT_EXPORTDEVICEMEM *)psBridgePackageKM->pvParamOut; - PVRSRV_FILE_PRIVATE_DATA *psPrivateData = PRIVATE_DATA(pFile); - - psPrivateData->hKernelMemInfo = psExportDeviceMemOUT->hMemInfo; -#if defined(SUPPORT_MEMINFO_IDS) - psExportDeviceMemOUT->ui64Stamp = psPrivateData->ui64Stamp = ++ui64Stamp; -#endif - break; - } -#endif - -#if defined(SUPPORT_MEMINFO_IDS) - case PVRSRV_BRIDGE_MAP_DEV_MEMORY: - { - PVRSRV_BRIDGE_OUT_MAP_DEV_MEMORY *psMapDeviceMemoryOUT = - (PVRSRV_BRIDGE_OUT_MAP_DEV_MEMORY *)psBridgePackageKM->pvParamOut; - PVRSRV_FILE_PRIVATE_DATA *psPrivateData = PRIVATE_DATA(pFile); - psMapDeviceMemoryOUT->sDstClientMemInfo.ui64Stamp = psPrivateData->ui64Stamp; - break; - } - - case PVRSRV_BRIDGE_MAP_DEVICECLASS_MEMORY: - { - PVRSRV_BRIDGE_OUT_MAP_DEVICECLASS_MEMORY *psDeviceClassMemoryOUT = - (PVRSRV_BRIDGE_OUT_MAP_DEVICECLASS_MEMORY *)psBridgePackageKM->pvParamOut; - psDeviceClassMemoryOUT->sClientMemInfo.ui64Stamp = ++ui64Stamp; - break; - } -#endif - - default: - break; - } - -unlock_and_return: - LinuxUnLockMutex(&gPVRSRVLock); - return err; -} |