gceSTATUS
gckKERNEL_Construct(
IN gckOS Os,
IN gctPOINTER Context,
OUT gckKERNEL * Kernel
)
{
gckKERNEL kernel = gcvNULL;
gceSTATUS status;
gcmkHEADER_ARG("Os=0x%x Context=0x%x", Os, Context);
/* Verify the arguments. */
gcmkVERIFY_OBJECT(Os, gcvOBJ_OS);
gcmkVERIFY_ARGUMENT(Kernel != gcvNULL);
/* Allocate the gckKERNEL object. */
gcmkONERROR(
gckOS_Allocate(Os,
gcmSIZEOF(struct _gckKERNEL),
(gctPOINTER *) &kernel));
#if MRVL_LOW_POWER_MODE_DEBUG
gcmERR_RETURN(
gckOS_Allocate(Os, 0x1000000, (gctPOINTER *) &kernel->kernelMSG));
kernel->msgLen = 0;
#endif
/* Zero the object pointers. */
kernel->hardware = gcvNULL;
kernel->command = gcvNULL;
kernel->event = gcvNULL;
kernel->mmu = gcvNULL;
/* Initialize the gckKERNEL object. */
kernel->object.type = gcvOBJ_KERNEL;
kernel->os = Os;
/* Save context. */
kernel->context = Context;
/* Construct atom holding number of clients. */
kernel->atomClients = gcvNULL;
gcmkONERROR(gckOS_AtomConstruct(Os, &kernel->atomClients));
#if gcdSECURE_USER
kernel->cacheSlots = 0;
kernel->cacheTimeStamp = 0;
#endif
/* Construct the gckHARDWARE object. */
gcmkONERROR(
gckHARDWARE_Construct(Os, &kernel->hardware));
/* Set pointer to gckKERNEL object in gckHARDWARE object. */
kernel->hardware->kernel = kernel;
/* Initialize the hardware. */
gcmkONERROR(
gckHARDWARE_InitializeHardware(kernel->hardware));
/* Construct the gckCOMMAND object. */
gcmkONERROR(
gckCOMMAND_Construct(kernel, &kernel->command));
/* Construct the gckEVENT object. */
gcmkONERROR(
gckEVENT_Construct(kernel, &kernel->event));
/* Construct the gckMMU object. */
gcmkONERROR(
gckMMU_Construct(kernel, gcdMMU_SIZE, &kernel->mmu));
kernel->notifyIdle = gcvTRUE; /* gcvFALSE; */
#if VIVANTE_PROFILER
/* Initialize profile setting */
#if defined ANDROID
kernel->profileEnable = gcvFALSE;
#else
kernel->profileEnable = gcvTRUE;
#endif
gcmkVERIFY_OK(
gckOS_MemCopy(kernel->profileFileName,
DEFAULT_PROFILE_FILE_NAME,
gcmSIZEOF(DEFAULT_PROFILE_FILE_NAME) + 1));
#endif
/* Return pointer to the gckKERNEL object. */
*Kernel = kernel;
/* Success. */
gcmkFOOTER_ARG("*Kernel=0x%x", *Kernel);
return gcvSTATUS_OK;
OnError:
if (kernel != gcvNULL)
{
if (kernel->event != gcvNULL)
{
gcmkVERIFY_OK(gckEVENT_Destroy(kernel->event));
}
if (kernel->command != gcvNULL)
{
gcmkVERIFY_OK(gckCOMMAND_Destroy(kernel->command));
}
if (kernel->hardware != gcvNULL)
{
gcmkVERIFY_OK(gckHARDWARE_Destroy(kernel->hardware));
}
if (kernel->atomClients != gcvNULL)
{
gcmkVERIFY_OK(gckOS_AtomDestroy(Os, kernel->atomClients));
}
kernel->version = _GC_VERSION_STRING_;
#if MRVL_LOW_POWER_MODE_DEBUG
gcmkVERIFY_OK(
gckOS_Free(Os, kernel->kernelMSG));
#endif
gcmkVERIFY_OK(gckOS_Free(Os, kernel));
}
/* Return the error. */
gcmkFOOTER();
return status;
}
/*******************************************************************************
** gckKERNEL_FindRecord
**
** Find a database record from the database.
**
** INPUT:
**
** gckKERNEL Kernel
** Pointer to a gckKERNEL object.
**
** gcsDATABASE_PTR Database
** Pointer to a database structure.
**
** gceDATABASE_TYPE Type
** Type of the record to remove.
**
** gctPOINTER Data
** Data of the record to remove.
**
** OUTPUT:
**
** gctSIZE_T_PTR Bytes
** Pointer to a variable that receives the size of the record deleted.
** Can be gcvNULL if the size is not required.
*/
static gceSTATUS
gckKERNEL_FindRecord(
IN gckKERNEL Kernel,
IN gcsDATABASE_PTR Database,
IN gceDATABASE_TYPE Type,
IN gctPOINTER Data,
OUT gcsDATABASE_RECORD_PTR Record
)
{
gceSTATUS status;
gctBOOL acquired = gcvFALSE;
gcsDATABASE_RECORD_PTR record;
gctUINT32 slot = _GetSlot(Database, Data);
gcmkHEADER_ARG("Kernel=0x%x Database=0x%x Type=%d Data=0x%x",
Kernel, Database, Type, Data);
/* Acquire the database mutex. */
gcmkONERROR(
gckOS_AcquireMutex(Kernel->os, Kernel->db->dbMutex, gcvINFINITE));
acquired = gcvTRUE;
/* Scan the database for this record. */
for (record = Database->list[slot];
record != gcvNULL;
record = record->next
)
{
if ((record->type == Type)
&& (record->data == Data)
)
{
/* Found it! */
break;
}
}
if (record == gcvNULL)
{
/* Ouch! This record is not found? */
gcmkONERROR(gcvSTATUS_INVALID_DATA);
}
if (Record != gcvNULL)
{
/* Return information of record. */
gcmkONERROR(
gckOS_MemCopy(Record, record, sizeof(gcsDATABASE_RECORD)));
}
/* Release the database mutex. */
gcmkONERROR(gckOS_ReleaseMutex(Kernel->os, Kernel->db->dbMutex));
/* Success. */
gcmkFOOTER_ARG("Record=0x%x", Record);
return gcvSTATUS_OK;
OnError:
if (acquired)
{
/* Release the database mutex. */
gcmkVERIFY_OK(gckOS_ReleaseMutex(Kernel->os, Kernel->db->dbMutex));
}
/* Return the status. */
gcmkFOOTER();
return status;
}
/*******************************************************************************
**
** gckKERNEL_Dispatch
**
** Dispatch a command received from the user HAL layer.
**
** INPUT:
**
** gckKERNEL Kernel
** Pointer to an gckKERNEL object.
**
** gctBOOL FromUser
** whether the call is from the user space.
**
** gcsHAL_INTERFACE * Interface
** Pointer to a gcsHAL_INTERFACE structure that defines the command to
** be dispatched.
**
** OUTPUT:
**
** gcsHAL_INTERFACE * Interface
** Pointer to a gcsHAL_INTERFACE structure that receives any data to be
** returned.
*/
gceSTATUS
gckKERNEL_Dispatch(
IN gckKERNEL Kernel,
IN gctBOOL FromUser,
IN OUT gcsHAL_INTERFACE * Interface
)
{
gceSTATUS status;
gctUINT32 bitsPerPixel;
gctSIZE_T bytes;
gcuVIDMEM_NODE_PTR node;
gctBOOL locked = gcvFALSE;
gctPHYS_ADDR physical;
gctUINT32 address;
gcmkHEADER_ARG("Kernel=0x%x FromUser=%d Interface=0x%x",
Kernel, FromUser, Interface);
/* Verify the arguments. */
gcmkVERIFY_OBJECT(Kernel, gcvOBJ_KERNEL);
gcmkVERIFY_ARGUMENT(Interface != gcvNULL);
gcmkTRACE_ZONE(gcvLEVEL_INFO, gcvZONE_KERNEL,
"Dispatching command %d", Interface->command);
/* Dispatch on command. */
switch (Interface->command)
{
case gcvHAL_GET_BASE_ADDRESS:
/* Get base address. */
gcmkONERROR(
gckOS_GetBaseAddress(Kernel->os,
&Interface->u.GetBaseAddress.baseAddress));
break;
case gcvHAL_QUERY_VIDEO_MEMORY:
/* Query video memory size. */
gcmkONERROR(gckKERNEL_QueryVideoMemory(Kernel, Interface));
break;
case gcvHAL_QUERY_CHIP_IDENTITY:
/* Query chip identity. */
gcmkONERROR(
gckHARDWARE_QueryChipIdentity(
Kernel->hardware,
&Interface->u.QueryChipIdentity.chipModel,
&Interface->u.QueryChipIdentity.chipRevision,
&Interface->u.QueryChipIdentity.chipFeatures,
&Interface->u.QueryChipIdentity.chipMinorFeatures,
&Interface->u.QueryChipIdentity.chipMinorFeatures1));
/* Query chip specifications. */
gcmkONERROR(
gckHARDWARE_QueryChipSpecs(
Kernel->hardware,
&Interface->u.QueryChipIdentity.streamCount,
&Interface->u.QueryChipIdentity.registerMax,
&Interface->u.QueryChipIdentity.threadCount,
&Interface->u.QueryChipIdentity.shaderCoreCount,
&Interface->u.QueryChipIdentity.vertexCacheSize,
&Interface->u.QueryChipIdentity.vertexOutputBufferSize));
break;
case gcvHAL_MAP_MEMORY:
physical = Interface->u.MapMemory.physical;
/* Map memory. */
gcmkONERROR(
gckKERNEL_MapMemory(Kernel,
physical,
Interface->u.MapMemory.bytes,
&Interface->u.MapMemory.logical));
break;
case gcvHAL_UNMAP_MEMORY:
physical = Interface->u.UnmapMemory.physical;
/* Unmap memory. */
gcmkONERROR(
gckKERNEL_UnmapMemory(Kernel,
physical,
Interface->u.UnmapMemory.bytes,
Interface->u.UnmapMemory.logical));
break;
case gcvHAL_ALLOCATE_NON_PAGED_MEMORY:
/* Allocate non-paged memory. */
#ifdef __QNXNTO__
if (FromUser)
{
gcmkONERROR(
gckOS_AllocateNonPagedMemoryShmPool(
Kernel->os,
FromUser,
Interface->pid,
Interface->handle,
&Interface->u.AllocateNonPagedMemory.bytes,
&Interface->u.AllocateNonPagedMemory.physical,
&Interface->u.AllocateNonPagedMemory.logical));
break;
}
#endif
gcmkONERROR(
gckOS_AllocateNonPagedMemory(
Kernel->os,
FromUser,
&Interface->u.AllocateNonPagedMemory.bytes,
&Interface->u.AllocateNonPagedMemory.physical,
&Interface->u.AllocateNonPagedMemory.logical));
break;
case gcvHAL_FREE_NON_PAGED_MEMORY:
physical = Interface->u.FreeNonPagedMemory.physical;
/* Free non-paged memory. */
gcmkONERROR(
gckOS_FreeNonPagedMemory(Kernel->os,
Interface->u.FreeNonPagedMemory.bytes,
physical,
Interface->u.FreeNonPagedMemory.logical));
break;
case gcvHAL_ALLOCATE_CONTIGUOUS_MEMORY:
/* Allocate contiguous memory. */
#ifdef __QNXNTO__
if (FromUser)
{
gcmkONERROR(
gckOS_AllocateNonPagedMemoryShmPool(
Kernel->os,
FromUser,
Interface->pid,
Interface->handle,
&Interface->u.AllocateNonPagedMemory.bytes,
&Interface->u.AllocateNonPagedMemory.physical,
&Interface->u.AllocateNonPagedMemory.logical));
break;
}
#endif
gcmkONERROR(
gckOS_AllocateContiguous(
Kernel->os,
FromUser,
&Interface->u.AllocateContiguousMemory.bytes,
&Interface->u.AllocateContiguousMemory.physical,
&Interface->u.AllocateContiguousMemory.logical));
break;
case gcvHAL_FREE_CONTIGUOUS_MEMORY:
physical = Interface->u.FreeContiguousMemory.physical;
/* Free contiguous memory. */
gcmkONERROR(
gckOS_FreeContiguous(Kernel->os,
physical,
Interface->u.FreeContiguousMemory.logical,
Interface->u.FreeContiguousMemory.bytes));
break;
case gcvHAL_ALLOCATE_VIDEO_MEMORY:
/* Align width and height to tiles. */
gcmkONERROR(
gckHARDWARE_AlignToTile(Kernel->hardware,
Interface->u.AllocateVideoMemory.type,
&Interface->u.AllocateVideoMemory.width,
&Interface->u.AllocateVideoMemory.height,
gcvNULL));
/* Convert format into bytes per pixel and bytes per tile. */
gcmkONERROR(
gckHARDWARE_ConvertFormat(Kernel->hardware,
Interface->u.AllocateVideoMemory.format,
&bitsPerPixel,
gcvNULL));
/* Compute number of bytes for the allocation. */
bytes = Interface->u.AllocateVideoMemory.width * bitsPerPixel
* Interface->u.AllocateVideoMemory.height
* Interface->u.AllocateVideoMemory.depth / 8;
/* Allocate memory. */
#ifdef __QNXNTO__
gcmkONERROR(
_AllocateMemory(Kernel,
&Interface->u.AllocateVideoMemory.pool,
bytes,
64,
Interface->u.AllocateVideoMemory.type,
Interface->handle,
&Interface->u.AllocateVideoMemory.node));
#else
gcmkONERROR(
_AllocateMemory(Kernel,
&Interface->u.AllocateVideoMemory.pool,
bytes,
64,
Interface->u.AllocateVideoMemory.type,
&Interface->u.AllocateVideoMemory.node));
#endif
break;
case gcvHAL_ALLOCATE_LINEAR_VIDEO_MEMORY:
/* Allocate memory. */
#ifdef __QNXNTO__
gcmkONERROR(
_AllocateMemory(Kernel,
&Interface->u.AllocateLinearVideoMemory.pool,
Interface->u.AllocateLinearVideoMemory.bytes,
Interface->u.AllocateLinearVideoMemory.alignment,
Interface->u.AllocateLinearVideoMemory.type,
Interface->handle,
&Interface->u.AllocateLinearVideoMemory.node));
/* Set the current user pid in the node,
* which is used while locking memory. */
gcmkVERIFY_OK(gckVIDMEM_SetPID(
Interface->u.AllocateLinearVideoMemory.node,
Interface->pid));
#else
gcmkONERROR(
_AllocateMemory(Kernel,
&Interface->u.AllocateLinearVideoMemory.pool,
Interface->u.AllocateLinearVideoMemory.bytes,
Interface->u.AllocateLinearVideoMemory.alignment,
Interface->u.AllocateLinearVideoMemory.type,
&Interface->u.AllocateLinearVideoMemory.node));
#endif
break;
case gcvHAL_FREE_VIDEO_MEMORY:
#ifdef __QNXNTO__
node = Interface->u.FreeVideoMemory.node;
if (node->VidMem.memory->object.type == gcvOBJ_VIDMEM
&& node->VidMem.logical != gcvNULL)
{
gcmkONERROR(
gckKERNEL_UnmapVideoMemory(Kernel,
node->VidMem.logical,
Interface->pid,
node->VidMem.bytes));
node->VidMem.logical = gcvNULL;
}
#endif
/* Free video memory. */
gcmkONERROR(
gckVIDMEM_Free(Interface->u.FreeVideoMemory.node));
break;
case gcvHAL_LOCK_VIDEO_MEMORY:
/* Lock video memory. */
gcmkONERROR(
gckVIDMEM_Lock(Interface->u.LockVideoMemory.node,
&Interface->u.LockVideoMemory.address));
locked = gcvTRUE;
node = Interface->u.LockVideoMemory.node;
if (node->VidMem.memory->object.type == gcvOBJ_VIDMEM)
{
/* Map video memory address into user space. */
#ifdef __QNXNTO__
if (node->VidMem.logical == gcvNULL)
{
gcmkONERROR(
gckKERNEL_MapVideoMemory(Kernel,
FromUser,
Interface->u.LockVideoMemory.address,
Interface->pid,
node->VidMem.bytes,
&node->VidMem.logical));
}
Interface->u.LockVideoMemory.memory = node->VidMem.logical;
#else
gcmkONERROR(
gckKERNEL_MapVideoMemory(Kernel,
FromUser,
Interface->u.LockVideoMemory.address,
&Interface->u.LockVideoMemory.memory));
#endif
#ifdef __QNXNTO__
/* Add more information to node, which is used while unmapping. */
gcmkVERIFY_OK(gckVIDMEM_SetPID(
Interface->u.LockVideoMemory.node,
Interface->pid));
#endif
}
else
{
/* Copy logical memory for virtual memory. */
Interface->u.LockVideoMemory.memory = node->Virtual.logical;
/* Success. */
status = gcvSTATUS_OK;
}
#if gcdSECURE_USER
/* Return logical address as physical address. */
Interface->u.LockVideoMemory.address =
gcmPTR2INT(Interface->u.LockVideoMemory.memory);
#endif
break;
case gcvHAL_UNLOCK_VIDEO_MEMORY:
/* Unlock video memory. */
node = Interface->u.UnlockVideoMemory.node;
/* Unlock video memory. */
gcmkONERROR(
gckVIDMEM_Unlock(node,
Interface->u.UnlockVideoMemory.type,
&Interface->u.UnlockVideoMemory.asynchroneous));
break;
case gcvHAL_EVENT_COMMIT:
/* Commit an event queue. */
gcmkONERROR(
gckEVENT_Commit(Kernel->event,
Interface->u.Event.queue));
break;
case gcvHAL_COMMIT:
/* Commit a command and context buffer. */
gcmkONERROR(
gckCOMMAND_Commit(Kernel->command,
Interface->u.Commit.commandBuffer,
Interface->u.Commit.contextBuffer,
Interface->u.Commit.process));
break;
case gcvHAL_STALL:
/* Stall the command queue. */
gcmkONERROR(gckCOMMAND_Stall(Kernel->command));
break;
case gcvHAL_MAP_USER_MEMORY:
/* Map user memory to DMA. */
gcmkONERROR(
gckOS_MapUserMemory(Kernel->os,
Interface->u.MapUserMemory.memory,
Interface->u.MapUserMemory.size,
&Interface->u.MapUserMemory.info,
&Interface->u.MapUserMemory.address));
break;
case gcvHAL_UNMAP_USER_MEMORY:
address = Interface->u.MapUserMemory.address;
/* Unmap user memory. */
gcmkONERROR(
gckOS_UnmapUserMemory(Kernel->os,
Interface->u.UnmapUserMemory.memory,
Interface->u.UnmapUserMemory.size,
Interface->u.UnmapUserMemory.info,
address));
break;
#if !USE_NEW_LINUX_SIGNAL
case gcvHAL_USER_SIGNAL:
gcmkTRACE_ZONE(gcvLEVEL_INFO, gcvZONE_KERNEL,
"Dispatching gcvHAL_USER_SIGNAL %d", Interface->u.UserSignal.command);
/* Dispatch depends on the user signal subcommands. */
switch(Interface->u.UserSignal.command)
{
case gcvUSER_SIGNAL_CREATE:
/* Create a signal used in the user space. */
gcmkONERROR(
gckOS_CreateUserSignal(Kernel->os,
Interface->u.UserSignal.manualReset,
Interface->u.UserSignal.signalType,
&Interface->u.UserSignal.id));
break;
case gcvUSER_SIGNAL_DESTROY:
/* Destroy the signal. */
gcmkONERROR(
gckOS_DestroyUserSignal(Kernel->os,
Interface->u.UserSignal.id));
break;
case gcvUSER_SIGNAL_SIGNAL:
/* Signal the signal. */
gcmkONERROR(
gckOS_SignalUserSignal(Kernel->os,
Interface->u.UserSignal.id,
Interface->u.UserSignal.state));
break;
case gcvUSER_SIGNAL_WAIT:
/* Wait on the signal. */
status = gckOS_WaitUserSignal(Kernel->os,
Interface->u.UserSignal.id,
Interface->u.UserSignal.wait);
break;
default:
/* Invalid user signal command. */
gcmkONERROR(gcvSTATUS_INVALID_ARGUMENT);
}
break;
#endif
case gcvHAL_SET_POWER_MANAGEMENT_STATE:
/* Set the power management state. */
gcmkONERROR(
gckHARDWARE_SetPowerManagementState(
Kernel->hardware,
Interface->u.SetPowerManagement.state));
break;
case gcvHAL_QUERY_POWER_MANAGEMENT_STATE:
/* Chip is not idle. */
Interface->u.QueryPowerManagement.isIdle = gcvFALSE;
/* Query the power management state. */
gcmkONERROR(gckHARDWARE_QueryPowerManagementState(
Kernel->hardware,
&Interface->u.QueryPowerManagement.state));
/* Query the idle state. */
gcmkONERROR(
gckHARDWARE_QueryIdle(Kernel->hardware,
&Interface->u.QueryPowerManagement.isIdle));
break;
case gcvHAL_READ_REGISTER:
#if gcdREGISTER_ACCESS_FROM_USER
/* Read a register. */
gcmkONERROR(
gckOS_ReadRegister(Kernel->os,
Interface->u.ReadRegisterData.address,
&Interface->u.ReadRegisterData.data));
#else
/* No access from user land to read registers. */
Interface->u.ReadRegisterData.data = 0;
status = gcvSTATUS_NOT_SUPPORTED;
#endif
break;
case gcvHAL_WRITE_REGISTER:
#if gcdREGISTER_ACCESS_FROM_USER
/* Write a register. */
gcmkONERROR(
gckOS_WriteRegister(Kernel->os,
Interface->u.WriteRegisterData.address,
Interface->u.WriteRegisterData.data));
#else
/* No access from user land to write registers. */
status = gcvSTATUS_NOT_SUPPORTED;
#endif
break;
case gcvHAL_READ_ALL_PROFILE_REGISTERS:
#if VIVANTE_PROFILER
/* Read all 3D profile registers. */
gcmkONERROR(
gckHARDWARE_QueryProfileRegisters(
Kernel->hardware,
&Interface->u.RegisterProfileData.counters));
#else
status = gcvSTATUS_OK;
#endif
break;
case gcvHAL_PROFILE_REGISTERS_2D:
#if VIVANTE_PROFILER
/* Read all 2D profile registers. */
gcmkONERROR(
gckHARDWARE_ProfileEngine2D(
Kernel->hardware,
Interface->u.RegisterProfileData2D.hwProfile2D));
#else
status = gcvSTATUS_OK;
#endif
break;
case gcvHAL_GET_PROFILE_SETTING:
#if VIVANTE_PROFILER
/* Get profile setting */
Interface->u.GetProfileSetting.enable = Kernel->profileEnable;
gcmkVERIFY_OK(
gckOS_MemCopy(Interface->u.GetProfileSetting.fileName,
Kernel->profileFileName,
gcdMAX_PROFILE_FILE_NAME));
#endif
status = gcvSTATUS_OK;
break;
case gcvHAL_SET_PROFILE_SETTING:
#if VIVANTE_PROFILER
/* Set profile setting */
Kernel->profileEnable = Interface->u.SetProfileSetting.enable;
gcmkVERIFY_OK(
gckOS_MemCopy(Kernel->profileFileName,
Interface->u.SetProfileSetting.fileName,
gcdMAX_PROFILE_FILE_NAME));
#endif
status = gcvSTATUS_OK;
break;
case gcvHAL_QUERY_KERNEL_SETTINGS:
/* Get kernel settings. */
gcmkONERROR(
gckKERNEL_QuerySettings(Kernel,
&Interface->u.QueryKernelSettings.settings));
break;
case gcvHAL_RESET:
/* Reset the hardware. */
gcmkONERROR(
gckHARDWARE_Reset(Kernel->hardware));
break;
case gcvHAL_DEBUG:
/* Set debug level and zones. */
if (Interface->u.Debug.set)
{
gckOS_SetDebugLevel(Interface->u.Debug.level);
gckOS_SetDebugZones(Interface->u.Debug.zones,
Interface->u.Debug.enable);
}
if (Interface->u.Debug.message[0] != '\0')
{
/* Print a message to the debugger. */
gcmkPRINT(Interface->u.Debug.message);
}
status = gcvSTATUS_OK;
break;
case gcvHAL_CACHE:
if (Interface->u.Cache.invalidate)
{
/* Flush and invalidate the cache. */
status = gckOS_CacheInvalidate(Kernel->os,
Interface->u.Cache.process,
Interface->u.Cache.logical,
Interface->u.Cache.bytes);
}
else
{
/* Flush the cache. */
status = gckOS_CacheFlush(Kernel->os,
Interface->u.Cache.process,
Interface->u.Cache.logical,
Interface->u.Cache.bytes);
}
break;
default:
/* Invalid command. */
gcmkONERROR(gcvSTATUS_INVALID_ARGUMENT);
}
OnError:
/* Save status. */
Interface->status = status;
if (gcmIS_ERROR(status))
{
if (locked)
{
/* Roll back the lock. */
gcmkVERIFY_OK(
gckVIDMEM_Unlock(Interface->u.LockVideoMemory.node,
gcvSURF_TYPE_UNKNOWN,
gcvNULL));
}
}
/* Return the status. */
gcmkFOOTER();
return status;
}
/*******************************************************************************
** gckKERNEL_QueryProcessDB
**
** Query a process database for the current usage of a particular record type.
**
** INPUT:
**
** gckKERNEL Kernel
** Pointer to a gckKERNEL object.
**
** gctUINT32 ProcessID
** Process ID used to identify the database.
**
** gctBOOL LastProcessID
** gcvTRUE if searching for the last known process ID. gcvFALSE if
** we need to search for the process ID specified by the ProcessID
** argument.
**
** gceDATABASE_TYPE Type
** Type of the record to query.
**
** OUTPUT:
**
** gcuDATABASE_INFO * Info
** Pointer to a variable that receives the requested information.
*/
gceSTATUS
gckKERNEL_QueryProcessDB(
IN gckKERNEL Kernel,
IN gctUINT32 ProcessID,
IN gctBOOL LastProcessID,
IN gceDATABASE_TYPE Type,
OUT gcuDATABASE_INFO * Info
)
{
gceSTATUS status;
gcsDATABASE_PTR database;
gcmkHEADER_ARG("Kernel=0x%x ProcessID=%d Type=%d Info=0x%x",
Kernel, ProcessID, Type, Info);
/* Verify the arguments. */
gcmkVERIFY_OBJECT(Kernel, gcvOBJ_KERNEL);
gcmkVERIFY_ARGUMENT(Info != gcvNULL);
/* Find the database. */
gcmkONERROR(
gckKERNEL_FindDatabase(Kernel, ProcessID, LastProcessID, &database));
/* Get pointer to counters. */
switch (Type)
{
case gcvDB_VIDEO_MEMORY:
gckOS_MemCopy(&Info->counters,
&database->vidMem,
gcmSIZEOF(database->vidMem));
break;
case gcvDB_NON_PAGED:
gckOS_MemCopy(&Info->counters,
&database->nonPaged,
gcmSIZEOF(database->vidMem));
break;
case gcvDB_CONTIGUOUS:
gckOS_MemCopy(&Info->counters,
&database->contiguous,
gcmSIZEOF(database->vidMem));
break;
case gcvDB_IDLE:
Info->time = Kernel->db->idleTime;
Kernel->db->idleTime = 0;
break;
case gcvDB_MAP_MEMORY:
gckOS_MemCopy(&Info->counters,
&database->mapMemory,
gcmSIZEOF(database->mapMemory));
break;
case gcvDB_MAP_USER_MEMORY:
gckOS_MemCopy(&Info->counters,
&database->mapUserMemory,
gcmSIZEOF(database->mapUserMemory));
break;
default:
break;
}
/* Success. */
gcmkFOOTER_NO();
return gcvSTATUS_OK;
OnError:
/* Return the status. */
gcmkFOOTER();
return status;
}
