/*******************************************************************************
**
** gckVIDMEM_Destroy
**
** Destroy an gckVIDMEM object.
**
** INPUT:
**
** gckVIDMEM Memory
** Pointer to an gckVIDMEM object to destroy.
**
** OUTPUT:
**
** Nothing.
*/
gceSTATUS
gckVIDMEM_Destroy(
IN gckVIDMEM Memory
)
{
gcuVIDMEM_NODE_PTR node, next;
gctINT i;
gcmkHEADER_ARG("Memory=0x%x", Memory);
/* Verify the arguments. */
gcmkVERIFY_OBJECT(Memory, gcvOBJ_VIDMEM);
/* Walk all sentinels. */
for (i = 0; i < gcmCOUNTOF(Memory->sentinel); ++i)
{
/* Bail out of the heap is not used. */
if (Memory->sentinel[i].VidMem.next == gcvNULL)
{
break;
}
/* Walk all the nodes until we reach the sentinel. */
for (node = Memory->sentinel[i].VidMem.next;
node->VidMem.bytes != 0;
node = next)
{
/* Save pointer to the next node. */
next = node->VidMem.next;
/* Free the node. */
gcmkVERIFY_OK(gckOS_Free(Memory->os, node));
}
}
/* Free the mutex. */
gcmkVERIFY_OK(gckOS_DeleteMutex(Memory->os, Memory->mutex));
/* Mark the object as unknown. */
Memory->object.type = gcvOBJ_UNKNOWN;
/* Free the gckVIDMEM object. */
gcmkVERIFY_OK(gckOS_Free(Memory->os, Memory));
/* Success. */
gcmkFOOTER_NO();
return gcvSTATUS_OK;
}
/*******************************************************************************
**
** gckVGMMU_Destroy
**
** Destroy a nAQMMU object.
**
** INPUT:
**
** gckVGMMU Mmu
** Pointer to an gckVGMMU object.
**
** OUTPUT:
**
** Nothing.
*/
gceSTATUS gckVGMMU_Destroy(
IN gckVGMMU Mmu
)
{
gcmkHEADER_ARG("Mmu=0x%x", Mmu);
/* Verify the arguments. */
gcmkVERIFY_OBJECT(Mmu, gcvOBJ_MMU);
/* Free the page table. */
gcmkVERIFY_OK(gckOS_FreeContiguous(Mmu->os,
Mmu->pageTablePhysical,
Mmu->pageTableLogical,
Mmu->pageTableSize));
/* Roll back. */
gcmkVERIFY_OK(gckOS_DeleteMutex(Mmu->os, Mmu->mutex));
/* Mark the gckVGMMU object as unknown. */
Mmu->object.type = gcvOBJ_UNKNOWN;
/* Free the gckVGMMU object. */
gcmkVERIFY_OK(gckOS_Free(Mmu->os, Mmu));
gcmkFOOTER_NO();
/* Success. */
return gcvSTATUS_OK;
}
/*******************************************************************************
**
** _Merge
**
** Merge two adjacent nodes together.
**
** INPUT:
**
** gckOS Os
** Pointer to an gckOS object.
**
** gcuVIDMEM_NODE_PTR Node
** Pointer to the first of the two nodes to merge.
**
** OUTPUT:
**
** Nothing.
**
*/
static gceSTATUS
_Merge(
IN gckOS Os,
IN gcuVIDMEM_NODE_PTR Node
)
{
gcuVIDMEM_NODE_PTR node;
/* Save pointer to next node. */
node = Node->VidMem.next;
/* This is a good time to make sure the heap is not corrupted. */
if (Node->VidMem.offset + Node->VidMem.bytes != node->VidMem.offset)
{
/* Corrupted heap. */
gcmkASSERT(
Node->VidMem.offset + Node->VidMem.bytes == node->VidMem.offset);
return gcvSTATUS_HEAP_CORRUPTED;
}
/* Adjust byte count. */
Node->VidMem.bytes += node->VidMem.bytes;
/* Unlink next node from linked list. */
Node->VidMem.next = node->VidMem.next;
Node->VidMem.nextFree = node->VidMem.nextFree;
Node->VidMem.next->VidMem.prev =
Node->VidMem.nextFree->VidMem.prevFree = Node;
/* Free next node. */
return gckOS_Free(Os, node);
}
/*******************************************************************************
**
** gckKERNEL_Destroy
**
** Destroy an gckKERNEL object.
**
** INPUT:
**
** gckKERNEL Kernel
** Pointer to an gckKERNEL object to destroy.
**
** OUTPUT:
**
** Nothing.
*/
gceSTATUS gckVGKERNEL_Destroy(
IN gckVGKERNEL Kernel
)
{
gceSTATUS status;
gcmkHEADER_ARG("Kernel=0x%x", Kernel);
/* Verify the arguments. */
gcmkVERIFY_OBJECT(Kernel, gcvOBJ_KERNEL);
do
{
/* Destroy the gckVGMMU object. */
if (Kernel->mmu != gcvNULL)
{
gcmkERR_BREAK(gckVGMMU_Destroy(Kernel->mmu));
Kernel->mmu = gcvNULL;
}
/* Destroy the gckVGCOMMAND object. */
if (Kernel->command != gcvNULL)
{
gcmkERR_BREAK(gckVGCOMMAND_Destroy(Kernel->command));
Kernel->command = gcvNULL;
}
/* Destroy the gckVGINTERRUPT object. */
if (Kernel->interrupt != gcvNULL)
{
gcmkERR_BREAK(gckVGINTERRUPT_Destroy(Kernel->interrupt));
Kernel->interrupt = gcvNULL;
}
/* Destroy the gckVGHARDWARE object. */
if (Kernel->hardware != gcvNULL)
{
gcmkERR_BREAK(gckVGHARDWARE_Destroy(Kernel->hardware));
Kernel->hardware = gcvNULL;
}
/* Mark the gckKERNEL object as unknown. */
Kernel->object.type = gcvOBJ_UNKNOWN;
/* Free the gckKERNEL object. */
gcmkERR_BREAK(gckOS_Free(Kernel->os, Kernel));
}
while (gcvFALSE);
gcmkFOOTER();
/* Return status. */
return status;
}
/*******************************************************************************
**
** gckKERNEL_Destroy
**
** Destroy an gckKERNEL object.
**
** INPUT:
**
** gckKERNEL Kernel
** Pointer to an gckKERNEL object to destroy.
**
** OUTPUT:
**
** Nothing.
*/
gceSTATUS
gckKERNEL_Destroy(
IN gckKERNEL Kernel
)
{
gcmkHEADER_ARG("Kernel=0x%x", Kernel);
/* Verify the arguments. */
gcmkVERIFY_OBJECT(Kernel, gcvOBJ_KERNEL);
/* Destroy the gckMMU object. */
gcmkVERIFY_OK(gckMMU_Destroy(Kernel->mmu));
/* Destroy the gckEVENT object. */
gcmkVERIFY_OK(gckEVENT_Destroy(Kernel->event));
/* Destroy the gckCOMMNAND object. */
gcmkVERIFY_OK(gckCOMMAND_Destroy(Kernel->command));
/* Destroy the gckHARDWARE object. */
gcmkVERIFY_OK(gckHARDWARE_Destroy(Kernel->hardware));
/* Detsroy the client atom. */
gcmkVERIFY_OK(gckOS_AtomDestroy(Kernel->os, Kernel->atomClients));
/* Mark the gckKERNEL object as unknown. */
Kernel->object.type = gcvOBJ_UNKNOWN;
#if MRVL_LOW_POWER_MODE_DEBUG
gcmkVERIFY_OK(
gckOS_Free(Kernel->os, Kernel->kernelMSG));
#endif
/* Free the gckKERNEL object. */
gcmkVERIFY_OK(gckOS_Free(Kernel->os, Kernel));
/* Success. */
gcmkFOOTER_NO();
return gcvSTATUS_OK;
}
static gceSTATUS
_AddMap(
IN gckOS Os,
IN gctPOINTER Source,
IN gctSIZE_T Bytes,
OUT gctPOINTER * Destination,
IN OUT gcsMAPPED_PTR * Stack
)
{
gcsMAPPED_PTR map = gcvNULL;
gceSTATUS status;
/* Don't try to map NULL pointers. */
if (Source == gcvNULL)
{
*Destination = gcvNULL;
return gcvSTATUS_OK;
}
/* Allocate the gcsMAPPED structure. */
gcmkONERROR(
gckOS_Allocate(Os, gcmSIZEOF(*map), (gctPOINTER *) &map));
/* Map the user pointer into kernel addressing space. */
gcmkONERROR(
gckOS_MapUserPointer(Os, Source, Bytes, Destination));
/* Save mapping. */
map->pointer = Source;
map->kernelPointer = *Destination;
map->bytes = Bytes;
/* Push structure on top of the stack. */
map->next = *Stack;
*Stack = map;
/* Success. */
return gcvSTATUS_OK;
OnError:
if (gcmIS_ERROR(status) && (map != gcvNULL))
{
/* Roll back on error. */
gcmkVERIFY_OK(gckOS_Free(Os, map));
}
/* Return the status. */
return status;
}
/*******************************************************************************
**
** gckVIDMEM_DestroyVirtual
**
** Destroy an gcuVIDMEM_NODE union for virtual memory.
**
** INPUT:
**
** gcuVIDMEM_NODE_PTR Node
** Pointer to a gcuVIDMEM_NODE union.
**
** OUTPUT:
**
** Nothing.
*/
gceSTATUS
gckVIDMEM_DestroyVirtual(
IN gcuVIDMEM_NODE_PTR Node
)
{
gckOS os;
gcmkHEADER_ARG("Node=0x%x", Node);
/* Verify the arguments. */
gcmkVERIFY_OBJECT(Node->Virtual.kernel, gcvOBJ_KERNEL);
/* Extact the gckOS object pointer. */
os = Node->Virtual.kernel->os;
gcmkVERIFY_OBJECT(os, gcvOBJ_OS);
#ifdef __QNXNTO__
/* Unregister. */
gcmkVERIFY_OK(
gckMMU_RemoveNode(Node->Virtual.kernel->mmu, Node));
/* Free virtual memory. */
gcmkVERIFY_OK(
gckOS_FreePagedMemory(os,
Node->Virtual.physical,
Node->Virtual.bytes));
#endif
/* Delete the mutex. */
gcmkVERIFY_OK(gckOS_DeleteMutex(os, Node->Virtual.mutex));
if (Node->Virtual.pageTable != gcvNULL)
{
/* Free the pages. */
gcmkVERIFY_OK(gckMMU_FreePages(Node->Virtual.kernel->mmu,
Node->Virtual.pageTable,
Node->Virtual.pageCount));
}
/* Delete the gcuVIDMEM_NODE union. */
gcmkVERIFY_OK(gckOS_Free(os, Node));
/* Success. */
gcmkFOOTER_NO();
return gcvSTATUS_OK;
}
/*******************************************************************************
**
** gckCOMMAND_Destroy
**
** Destroy an gckCOMMAND object.
**
** INPUT:
**
** gckCOMMAND Command
** Pointer to an gckCOMMAND object to destroy.
**
** OUTPUT:
**
** Nothing.
*/
gceSTATUS
gckCOMMAND_Destroy(
IN gckCOMMAND Command
)
{
gctINT i;
gcmkHEADER_ARG("Command=0x%x", Command);
/* Verify the arguments. */
gcmkVERIFY_OBJECT(Command, gcvOBJ_COMMAND);
/* Stop the command queue. */
gcmkVERIFY_OK(gckCOMMAND_Stop(Command));
for (i = 0; i < gcdCOMMAND_QUEUES; ++i)
{
gcmkASSERT(Command->queues[i].signal != gcvNULL);
gcmkVERIFY_OK(
gckOS_DestroySignal(Command->os, Command->queues[i].signal));
gcmkASSERT(Command->queues[i].logical != gcvNULL);
gcmkVERIFY_OK(
gckOS_FreeNonPagedMemory(Command->os,
Command->pageSize,
Command->queues[i].physical,
Command->queues[i].logical));
}
/* Delete the context switching mutex. */
gcmkVERIFY_OK(gckOS_DeleteMutex(Command->os, Command->mutexContext));
/* Delete the command queue mutex. */
gcmkVERIFY_OK(gckOS_DeleteMutex(Command->os, Command->mutexQueue));
/* Mark object as unknown. */
Command->object.type = gcvOBJ_UNKNOWN;
/* Free the gckCOMMAND object. */
gcmkVERIFY_OK(gckOS_Free(Command->os, Command));
/* Success. */
gcmkFOOTER_NO();
return gcvSTATUS_OK;
}
/*******************************************************************************
**
** gckVGMMU_Construct
**
** Construct a new gckVGMMU object.
**
** INPUT:
**
** gckVGKERNEL Kernel
** Pointer to an gckVGKERNEL object.
**
** gctSIZE_T MmuSize
** Number of bytes for the page table.
**
** OUTPUT:
**
** gckVGMMU * Mmu
** Pointer to a variable that receives the gckVGMMU object pointer.
*/
gceSTATUS gckVGMMU_Construct(
IN gckVGKERNEL Kernel,
IN gctSIZE_T MmuSize,
OUT gckVGMMU * Mmu
)
{
gckOS os;
gckVGHARDWARE hardware;
gceSTATUS status;
gckVGMMU mmu;
gctUINT32 * pageTable;
gctUINT32 i;
gcmkHEADER_ARG("Kernel=0x%x MmuSize=0x%x Mmu=0x%x", Kernel, MmuSize, Mmu);
/* Verify the arguments. */
gcmkVERIFY_OBJECT(Kernel, gcvOBJ_KERNEL);
gcmkVERIFY_ARGUMENT(MmuSize > 0);
gcmkVERIFY_ARGUMENT(Mmu != gcvNULL);
/* Extract the gckOS object pointer. */
os = Kernel->os;
gcmkVERIFY_OBJECT(os, gcvOBJ_OS);
/* Extract the gckVGHARDWARE object pointer. */
hardware = Kernel->hardware;
gcmkVERIFY_OBJECT(hardware, gcvOBJ_HARDWARE);
/* Allocate memory for the gckVGMMU object. */
status = gckOS_Allocate(os, sizeof(struct _gckVGMMU), (gctPOINTER *) &mmu);
if (status < 0)
{
/* Error. */
gcmkFATAL(
"%s(%d): could not allocate gckVGMMU object.",
__FUNCTION__, __LINE__
);
gcmkFOOTER();
return status;
}
/* Initialize the gckVGMMU object. */
mmu->object.type = gcvOBJ_MMU;
mmu->os = os;
mmu->hardware = hardware;
/* Create the mutex. */
status = gckOS_CreateMutex(os, &mmu->mutex);
if (status < 0)
{
/* Roll back. */
mmu->object.type = gcvOBJ_UNKNOWN;
gcmkVERIFY_OK(gckOS_Free(os, mmu));
gcmkFOOTER();
/* Error. */
return status;
}
/* Allocate the page table. */
mmu->pageTableSize = MmuSize;
status = gckOS_AllocateContiguous(os,
gcvFALSE,
&mmu->pageTableSize,
&mmu->pageTablePhysical,
&mmu->pageTableLogical);
if (status < 0)
{
/* Roll back. */
gcmkVERIFY_OK(gckOS_DeleteMutex(os, mmu->mutex));
mmu->object.type = gcvOBJ_UNKNOWN;
gcmkVERIFY_OK(gckOS_Free(os, mmu));
/* Error. */
gcmkFATAL(
"%s(%d): could not allocate page table.",
__FUNCTION__, __LINE__
);
gcmkFOOTER();
return status;
}
/* Compute number of entries in page table. */
mmu->entryCount = mmu->pageTableSize / sizeof(gctUINT32);
mmu->entry = 0;
/* Mark the entire page table as available. */
pageTable = (gctUINT32 *) mmu->pageTableLogical;
for (i = 0; i < mmu->entryCount; i++)
{
pageTable[i] = (gctUINT32)~0;
}
/* Set page table address. */
status = gckVGHARDWARE_SetMMU(hardware, mmu->pageTableLogical);
if (status < 0)
{
/* Free the page table. */
gcmkVERIFY_OK(gckOS_FreeContiguous(mmu->os,
mmu->pageTablePhysical,
mmu->pageTableLogical,
mmu->pageTableSize));
/* Roll back. */
gcmkVERIFY_OK(gckOS_DeleteMutex(os, mmu->mutex));
mmu->object.type = gcvOBJ_UNKNOWN;
gcmkVERIFY_OK(gckOS_Free(os, mmu));
/* Error. */
gcmkFATAL(
"%s(%d): could not program page table.",
__FUNCTION__, __LINE__
);
gcmkFOOTER();
return status;
}
/* Return the gckVGMMU object pointer. */
*Mmu = mmu;
gcmkTRACE_ZONE(
gcvLEVEL_INFO, gcvZONE_MMU,
"%s(%d): %u entries at %p.(0x%08X)\n",
__FUNCTION__, __LINE__,
mmu->entryCount,
mmu->pageTableLogical,
mmu->pageTablePhysical
);
gcmkFOOTER_NO();
/* Success. */
return gcvSTATUS_OK;
}
/*******************************************************************************
**
** gckVIDMEM_Construct
**
** Construct a new gckVIDMEM object.
**
** INPUT:
**
** gckOS Os
** Pointer to an gckOS object.
**
** gctUINT32 BaseAddress
** Base address for the video memory heap.
**
** gctSIZE_T Bytes
** Number of bytes in the video memory heap.
**
** gctSIZE_T Threshold
** Minimum number of bytes beyond am allocation before the node is
** split. Can be used as a minimum alignment requirement.
**
** gctSIZE_T BankSize
** Number of bytes per physical memory bank. Used by bank
** optimization.
**
** OUTPUT:
**
** gckVIDMEM * Memory
** Pointer to a variable that will hold the pointer to the gckVIDMEM
** object.
*/
gceSTATUS
gckVIDMEM_Construct(
IN gckOS Os,
IN gctUINT32 BaseAddress,
IN gctSIZE_T Bytes,
IN gctSIZE_T Threshold,
IN gctSIZE_T BankSize,
OUT gckVIDMEM * Memory
)
{
gckVIDMEM memory = gcvNULL;
gceSTATUS status;
gcuVIDMEM_NODE_PTR node;
gctINT i, banks = 0;
gcmkHEADER_ARG("Os=0x%x BaseAddress=%08x Bytes=%lu Threshold=%lu "
"BankSize=%lu",
Os, BaseAddress, Bytes, Threshold, BankSize);
/* Verify the arguments. */
gcmkVERIFY_OBJECT(Os, gcvOBJ_OS);
gcmkVERIFY_ARGUMENT(Bytes > 0);
gcmkVERIFY_ARGUMENT(Memory != gcvNULL);
/* Allocate the gckVIDMEM object. */
gcmkONERROR(
gckOS_Allocate(Os,
gcmSIZEOF(struct _gckVIDMEM),
(gctPOINTER *) &memory));
/* Initialize the gckVIDMEM object. */
memory->object.type = gcvOBJ_VIDMEM;
memory->os = Os;
/* Set video memory heap information. */
memory->baseAddress = BaseAddress;
memory->bytes = Bytes;
memory->freeBytes = Bytes;
memory->threshold = Threshold;
memory->mutex = gcvNULL;
BaseAddress = 0;
/* Walk all possible banks. */
for (i = 0; i < gcmCOUNTOF(memory->sentinel); ++i)
{
gctSIZE_T bytes;
if (BankSize == 0)
{
/* Use all bytes for the first bank. */
bytes = Bytes;
}
else
{
/* Compute number of bytes for this bank. */
bytes = gcmALIGN(BaseAddress + 1, BankSize) - BaseAddress;
if (bytes > Bytes)
{
/* Make sure we don't exceed the total number of bytes. */
bytes = Bytes;
}
}
if (bytes == 0)
{
/* Mark heap is not used. */
memory->sentinel[i].VidMem.next =
memory->sentinel[i].VidMem.prev =
memory->sentinel[i].VidMem.nextFree =
memory->sentinel[i].VidMem.prevFree = gcvNULL;
continue;
}
/* Allocate one gcuVIDMEM_NODE union. */
gcmkONERROR(
gckOS_Allocate(Os,
gcmSIZEOF(gcuVIDMEM_NODE),
(gctPOINTER *) &node));
/* Initialize gcuVIDMEM_NODE union. */
node->VidMem.memory = memory;
node->VidMem.next =
node->VidMem.prev =
node->VidMem.nextFree =
node->VidMem.prevFree = &memory->sentinel[i];
node->VidMem.offset = BaseAddress;
node->VidMem.bytes = bytes;
node->VidMem.alignment = 0;
node->VidMem.physical = 0;
node->VidMem.pool = gcvPOOL_UNKNOWN;
node->VidMem.locked = 0;
#ifdef __QNXNTO__
node->VidMem.logical = gcvNULL;
node->VidMem.handle = 0;
#endif
/* Initialize the linked list of nodes. */
memory->sentinel[i].VidMem.next =
memory->sentinel[i].VidMem.prev =
memory->sentinel[i].VidMem.nextFree =
memory->sentinel[i].VidMem.prevFree = node;
/* Mark sentinel. */
memory->sentinel[i].VidMem.bytes = 0;
/* Adjust address for next bank. */
BaseAddress += bytes;
Bytes -= bytes;
banks ++;
}
/* Assign all the bank mappings. */
memory->mapping[gcvSURF_RENDER_TARGET] = banks - 1;
memory->mapping[gcvSURF_BITMAP] = banks - 1;
if (banks > 1) --banks;
memory->mapping[gcvSURF_DEPTH] = banks - 1;
memory->mapping[gcvSURF_HIERARCHICAL_DEPTH] = banks - 1;
if (banks > 1) --banks;
memory->mapping[gcvSURF_TEXTURE] = banks - 1;
if (banks > 1) --banks;
memory->mapping[gcvSURF_VERTEX] = banks - 1;
if (banks > 1) --banks;
memory->mapping[gcvSURF_INDEX] = banks - 1;
if (banks > 1) --banks;
memory->mapping[gcvSURF_TILE_STATUS] = banks - 1;
if (banks > 1) --banks;
memory->mapping[gcvSURF_TYPE_UNKNOWN] = 0;
gcmkTRACE_ZONE(gcvLEVEL_INFO, gcvZONE_VIDMEM,
"[GALCORE] INDEX: bank %d",
memory->mapping[gcvSURF_INDEX]);
gcmkTRACE_ZONE(gcvLEVEL_INFO, gcvZONE_VIDMEM,
"[GALCORE] VERTEX: bank %d",
memory->mapping[gcvSURF_VERTEX]);
gcmkTRACE_ZONE(gcvLEVEL_INFO, gcvZONE_VIDMEM,
"[GALCORE] TEXTURE: bank %d",
memory->mapping[gcvSURF_TEXTURE]);
gcmkTRACE_ZONE(gcvLEVEL_INFO, gcvZONE_VIDMEM,
"[GALCORE] RENDER_TARGET: bank %d",
memory->mapping[gcvSURF_RENDER_TARGET]);
gcmkTRACE_ZONE(gcvLEVEL_INFO, gcvZONE_VIDMEM,
"[GALCORE] DEPTH: bank %d",
memory->mapping[gcvSURF_DEPTH]);
gcmkTRACE_ZONE(gcvLEVEL_INFO, gcvZONE_VIDMEM,
"[GALCORE] TILE_STATUS: bank %d",
memory->mapping[gcvSURF_TILE_STATUS]);
/* Allocate the mutex. */
gcmkONERROR(gckOS_CreateMutex(Os, &memory->mutex));
/* Return pointer to the gckVIDMEM object. */
*Memory = memory;
/* Success. */
gcmkFOOTER_ARG("*Memory=0x%x", *Memory);
return gcvSTATUS_OK;
OnError:
/* Roll back. */
if (memory != gcvNULL)
{
if (memory->mutex != gcvNULL)
{
/* Delete the mutex. */
gcmkVERIFY_OK(gckOS_DeleteMutex(Os, memory->mutex));
}
for (i = 0; i < banks; ++i)
{
/* Free the heap. */
gcmkASSERT(memory->sentinel[i].VidMem.next != gcvNULL);
gcmkVERIFY_OK(gckOS_Free(Os, memory->sentinel[i].VidMem.next));
}
/* Free the object. */
gcmkVERIFY_OK(gckOS_Free(Os, memory));
}
/* Return the status. */
gcmkFOOTER();
return status;
}
/*******************************************************************************
**
** gckVIDMEM_ConstructVirtual
**
** Construct a new gcuVIDMEM_NODE union for virtual memory.
**
** INPUT:
**
** gckKERNEL Kernel
** Pointer to an gckKERNEL object.
**
** gctSIZE_T Bytes
** Number of byte to allocate.
**
** OUTPUT:
**
** gcuVIDMEM_NODE_PTR * Node
** Pointer to a variable that receives the gcuVIDMEM_NODE union pointer.
*/
gceSTATUS
gckVIDMEM_ConstructVirtual(
IN gckKERNEL Kernel,
IN gctBOOL Contiguous,
IN gctSIZE_T Bytes,
#ifdef __QNXNTO__
IN gctHANDLE Handle,
#endif
OUT gcuVIDMEM_NODE_PTR * Node
)
{
gckOS os;
gceSTATUS status;
gcuVIDMEM_NODE_PTR node = gcvNULL;
gcmkHEADER_ARG("Kernel=0x%x Bytes=%lu", Kernel, Bytes);
/* Verify the arguments. */
gcmkVERIFY_OBJECT(Kernel, gcvOBJ_KERNEL);
gcmkVERIFY_ARGUMENT(Bytes > 0);
gcmkVERIFY_ARGUMENT(Node != gcvNULL);
#ifdef __QNXNTO__
gcmkVERIFY_ARGUMENT(Handle != gcvNULL);
#endif
/* Extract the gckOS object pointer. */
os = Kernel->os;
gcmkVERIFY_OBJECT(os, gcvOBJ_OS);
/* Allocate an gcuVIDMEM_NODE union. */
gcmkONERROR(
gckOS_Allocate(os, gcmSIZEOF(gcuVIDMEM_NODE), (gctPOINTER *) &node));
/* Initialize gcuVIDMEM_NODE union for virtual memory. */
node->Virtual.kernel = Kernel;
node->Virtual.contiguous = Contiguous;
node->Virtual.locked = 0;
node->Virtual.logical = gcvNULL;
node->Virtual.pageTable = gcvNULL;
node->Virtual.mutex = gcvNULL;
#ifdef __QNXNTO__
node->Virtual.next = gcvNULL;
node->Virtual.unlockPending = gcvFALSE;
node->Virtual.freePending = gcvFALSE;
node->Virtual.handle = Handle;
#else
node->Virtual.pending = gcvFALSE;
#endif
/* Create the mutex. */
gcmkONERROR(
gckOS_CreateMutex(os, &node->Virtual.mutex));
/* Allocate the virtual memory. */
gcmkONERROR(
gckOS_AllocatePagedMemoryEx(os,
node->Virtual.contiguous,
node->Virtual.bytes = Bytes,
&node->Virtual.physical));
#ifdef __QNXNTO__
/* Register. */
gckMMU_InsertNode(Kernel->mmu, node);
#endif
/* Return pointer to the gcuVIDMEM_NODE union. */
*Node = node;
gcmkTRACE_ZONE(gcvLEVEL_INFO, gcvZONE_VIDMEM,
"Created virtual node 0x%x for %u bytes @ 0x%x",
node, Bytes, node->Virtual.physical);
/* Success. */
gcmkFOOTER_ARG("*Node=0x%x", *Node);
return gcvSTATUS_OK;
OnError:
/* Roll back. */
if (node != gcvNULL)
{
if (node->Virtual.mutex != gcvNULL)
{
/* Destroy the mutex. */
gcmkVERIFY_OK(gckOS_DeleteMutex(os, node->Virtual.mutex));
}
/* Free the structure. */
gcmkVERIFY_OK(gckOS_Free(os, node));
}
/* Return the status. */
gcmkFOOTER();
return status;
}
/*******************************************************************************
**
** gckKERNEL_Construct
**
** Construct a new gckKERNEL object.
**
** INPUT:
**
** gckOS Os
** Pointer to an gckOS object.
**
** IN gctPOINTER Context
** Pointer to a driver defined context.
**
** OUTPUT:
**
** gckKERNEL * Kernel
** Pointer to a variable that will hold the pointer to the gckKERNEL
** object.
*/
gceSTATUS gckVGKERNEL_Construct(
IN gckOS Os,
IN gctPOINTER Context,
IN gckKERNEL inKernel,
OUT gckVGKERNEL * Kernel
)
{
gceSTATUS status;
gckVGKERNEL kernel = gcvNULL;
gcmkHEADER_ARG("Os=0x%x Context=0x%x", Os, Context);
/* Verify the arguments. */
gcmkVERIFY_OBJECT(Os, gcvOBJ_OS);
gcmkVERIFY_ARGUMENT(Kernel != gcvNULL);
do
{
/* Allocate the gckKERNEL object. */
gcmkERR_BREAK(gckOS_Allocate(
Os,
sizeof(struct _gckVGKERNEL),
(gctPOINTER *) &kernel
));
/* Initialize the gckKERNEL object. */
kernel->object.type = gcvOBJ_KERNEL;
kernel->os = Os;
kernel->context = Context;
kernel->hardware = gcvNULL;
kernel->interrupt = gcvNULL;
kernel->command = gcvNULL;
kernel->mmu = gcvNULL;
kernel->kernel = inKernel;
/* Construct the gckVGHARDWARE object. */
gcmkERR_BREAK(gckVGHARDWARE_Construct(
Os, &kernel->hardware
));
/* Set pointer to gckKERNEL object in gckVGHARDWARE object. */
kernel->hardware->kernel = kernel;
/* Construct the gckVGINTERRUPT object. */
gcmkERR_BREAK(gckVGINTERRUPT_Construct(
kernel, &kernel->interrupt
));
/* Construct the gckVGCOMMAND object. */
gcmkERR_BREAK(gckVGCOMMAND_Construct(
kernel, gcmKB2BYTES(8), gcmKB2BYTES(2), &kernel->command
));
/* Construct the gckVGMMU object. */
gcmkERR_BREAK(gckVGMMU_Construct(
kernel, gcmKB2BYTES(32), &kernel->mmu
));
/* Return pointer to the gckKERNEL object. */
*Kernel = kernel;
gcmkFOOTER_ARG("*Kernel=0x%x", *Kernel);
/* Success. */
return gcvSTATUS_OK;
}
while (gcvFALSE);
/* Roll back. */
if (kernel != gcvNULL)
{
if (kernel->mmu != gcvNULL)
{
gcmkVERIFY_OK(gckVGMMU_Destroy(kernel->mmu));
}
if (kernel->command != gcvNULL)
{
gcmkVERIFY_OK(gckVGCOMMAND_Destroy(kernel->command));
}
if (kernel->interrupt != gcvNULL)
{
gcmkVERIFY_OK(gckVGINTERRUPT_Destroy(kernel->interrupt));
}
if (kernel->hardware != gcvNULL)
{
gcmkVERIFY_OK(gckVGHARDWARE_Destroy(kernel->hardware));
}
gcmkVERIFY_OK(gckOS_Free(Os, kernel));
}
gcmkFOOTER();
/* Return status. */
return status;
}
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;
}
/*******************************************************************************
**
** gckCOMMAND_Commit
**
** Commit a command buffer to the command queue.
**
** INPUT:
**
** gckCOMMAND Command
** Pointer to an gckCOMMAND object.
**
** gcoCMDBUF CommandBuffer
** Pointer to an gcoCMDBUF object.
**
** gcoCONTEXT Context
** Pointer to an gcoCONTEXT object.
**
** OUTPUT:
**
** Nothing.
*/
gceSTATUS
gckCOMMAND_Commit(
IN gckCOMMAND Command,
IN gcoCMDBUF CommandBuffer,
IN gcoCONTEXT Context,
IN gctHANDLE Process
)
{
gcoCMDBUF commandBuffer;
gcoCONTEXT context;
gckHARDWARE hardware;
gceSTATUS status;
gctPOINTER initialLink, link;
gctSIZE_T bytes, initialSize, lastRun;
gcoCMDBUF buffer;
gctPOINTER wait;
gctSIZE_T waitSize;
gctUINT32 offset;
gctPOINTER fetchAddress;
gctSIZE_T fetchSize;
gctUINT8_PTR logical;
gcsMAPPED_PTR stack = gcvNULL;
gctINT acquired = 0;
#if gcdSECURE_USER
gctUINT32_PTR hint;
#endif
#if gcdDUMP_COMMAND
gctPOINTER dataPointer;
gctSIZE_T dataBytes;
#endif
gctPOINTER flushPointer;
gctSIZE_T flushSize;
gcmkHEADER_ARG("Command=0x%x CommandBuffer=0x%x Context=0x%x",
Command, CommandBuffer, Context);
/* Verify the arguments. */
gcmkVERIFY_OBJECT(Command, gcvOBJ_COMMAND);
#if gcdNULL_DRIVER == 2
/* Do nothing with infinite hardware. */
gcmkFOOTER_NO();
return gcvSTATUS_OK;
#endif
gcmkONERROR(
_AddMap(Command->os,
CommandBuffer,
gcmSIZEOF(struct _gcoCMDBUF),
(gctPOINTER *) &commandBuffer,
&stack));
gcmkVERIFY_OBJECT(commandBuffer, gcvOBJ_COMMANDBUFFER);
gcmkONERROR(
_AddMap(Command->os,
Context,
gcmSIZEOF(struct _gcoCONTEXT),
(gctPOINTER *) &context,
&stack));
gcmkVERIFY_OBJECT(context, gcvOBJ_CONTEXT);
/* Extract the gckHARDWARE and gckEVENT objects. */
hardware = Command->kernel->hardware;
gcmkVERIFY_OBJECT(hardware, gcvOBJ_HARDWARE);
/* Acquire the context switching mutex. */
gcmkONERROR(
gckOS_AcquireMutex(Command->os,
Command->mutexContext,
gcvINFINITE));
++acquired;
/* Reserved slot in the context or command buffer. */
gcmkONERROR(
gckHARDWARE_PipeSelect(hardware, gcvNULL, 0, &bytes));
/* Test if we need to switch to this context. */
if ((context->id != 0)
&& (context->id != Command->currentContext)
)
{
/* Map the context buffer.*/
gcmkONERROR(
_AddMap(Command->os,
context->logical,
context->bufferSize,
(gctPOINTER *) &logical,
&stack));
#if gcdSECURE_USER
/* Map the hint array.*/
gcmkONERROR(
_AddMap(Command->os,
context->hintArray,
context->hintCount * gcmSIZEOF(gctUINT32),
(gctPOINTER *) &hint,
&stack));
/* Loop while we have valid hints. */
while (*hint != 0)
{
/* Map handle into physical address. */
gcmkONERROR(
gckKERNEL_MapLogicalToPhysical(
Command->kernel,
Process,
(gctPOINTER *) (logical + *hint)));
/* Next hint. */
++hint;
}
#endif
/* See if we have to check pipes. */
if (context->pipe2DIndex != 0)
{
/* See if we are in the correct pipe. */
if (context->initialPipe == Command->pipeSelect)
{
gctUINT32 reserved = bytes;
gctUINT8_PTR nop = logical;
/* Already in the correct pipe, fill context buffer with NOP. */
while (reserved > 0)
{
bytes = reserved;
gcmkONERROR(
gckHARDWARE_Nop(hardware, nop, &bytes));
gcmkASSERT(reserved >= bytes);
reserved -= bytes;
nop += bytes;
}
}
else
{
/* Switch to the correct pipe. */
gcmkONERROR(
gckHARDWARE_PipeSelect(hardware,
logical,
context->initialPipe,
&bytes));
}
}
/* Save initial link pointer. */
initialLink = logical;
initialSize = context->bufferSize;
#if MRVL_PRINT_CMD_BUFFER
_AddCmdBuffer(
Command, initialLink, initialSize, gcvTRUE, gcvFALSE
);
#endif
/* Save initial buffer to flush. */
flushPointer = initialLink;
flushSize = initialSize;
/* Save pointer to next link. */
gcmkONERROR(
_AddMap(Command->os,
context->link,
8,
&link,
&stack));
/* Start parsing CommandBuffer. */
buffer = commandBuffer;
/* Mark context buffer as used. */
if (context->inUse != gcvNULL)
{
gctBOOL_PTR inUse;
gcmkONERROR(
_AddMap(Command->os,
(gctPOINTER) context->inUse,
gcmSIZEOF(gctBOOL),
(gctPOINTER *) &inUse,
&stack));
*inUse = gcvTRUE;
}
}
else
{
/* Test if this is a new context. */
if (context->id == 0)
{
/* Generate unique ID for the context buffer. */
context->id = ++ Command->contextCounter;
if (context->id == 0)
{
/* Context counter overflow (wow!) */
gcmkONERROR(gcvSTATUS_TOO_COMPLEX);
}
}
/* Map the command buffer. */
gcmkONERROR(
_AddMap(Command->os,
commandBuffer->logical,
commandBuffer->offset,
(gctPOINTER *) &logical,
&stack));
#if gcdSECURE_USER
/* Map the hint table. */
gcmkONERROR(
_AddMap(Command->os,
commandBuffer->hintCommit,
commandBuffer->offset - commandBuffer->startOffset,
(gctPOINTER *) &hint,
&stack));
/* Walk while we have valid hints. */
while (*hint != 0)
{
/* Map the handle to a physical address. */
gcmkONERROR(
gckKERNEL_MapLogicalToPhysical(
Command->kernel,
Process,
(gctPOINTER *) (logical + *hint)));
/* Next hint. */
++hint;
}
#endif
if (context->entryPipe == Command->pipeSelect)
{
gctUINT32 reserved = Command->reservedHead;
gctUINT8_PTR nop = logical + commandBuffer->startOffset;
/* Already in the correct pipe, fill context buffer with NOP. */
while (reserved > 0)
{
bytes = reserved;
gcmkONERROR(
gckHARDWARE_Nop(hardware, nop, &bytes));
gcmkASSERT(reserved >= bytes);
reserved -= bytes;
nop += bytes;
}
}
else
{
/* Switch to the correct pipe. */
gcmkONERROR(
gckHARDWARE_PipeSelect(hardware,
logical + commandBuffer->startOffset,
context->entryPipe,
&bytes));
}
/* Save initial link pointer. */
initialLink = logical + commandBuffer->startOffset;
initialSize = commandBuffer->offset
- commandBuffer->startOffset
+ Command->reservedTail;
#if MRVL_PRINT_CMD_BUFFER
_AddCmdBuffer(
Command, initialLink, initialSize, gcvFALSE, gcvFALSE
);
#endif
/* Save initial buffer to flush. */
flushPointer = initialLink;
flushSize = initialSize;
/* Save pointer to next link. */
link = logical + commandBuffer->offset;
/* No more data. */
buffer = gcvNULL;
}
#if MRVL_PRINT_CMD_BUFFER
_AddLink(Command, Command->wait, initialLink);
#endif
#if gcdDUMP_COMMAND
dataPointer = initialLink;
dataBytes = initialSize;
#endif
/* Loop through all remaining command buffers. */
if (buffer != gcvNULL)
{
/* Map the command buffer. */
gcmkONERROR(
_AddMap(Command->os,
buffer->logical,
buffer->offset + Command->reservedTail,
(gctPOINTER *) &logical,
&stack));
#if MRVL_PRINT_CMD_BUFFER
_AddCmdBuffer(
Command, (gctUINT32_PTR)logical, buffer->offset + Command->reservedTail, gcvFALSE, gcvFALSE
);
#endif
#if gcdSECURE_USER
/* Map the hint table. */
gcmkONERROR(
_AddMap(Command->os,
buffer->hintCommit,
buffer->offset - buffer->startOffset,
(gctPOINTER *) &hint,
&stack));
/* Walk while we have valid hints. */
while (*hint != 0)
{
/* Map the handle to a physical address. */
gcmkONERROR(
gckKERNEL_MapLogicalToPhysical(
Command->kernel,
Process,
(gctPOINTER *) (logical + *hint)));
/* Next hint. */
++hint;
}
#endif
/* First slot becomes a NOP. */
{
gctUINT32 reserved = Command->reservedHead;
gctUINT8_PTR nop = logical + buffer->startOffset;
/* Already in the correct pipe, fill context buffer with NOP. */
while (reserved > 0)
{
bytes = reserved;
gcmkONERROR(
gckHARDWARE_Nop(hardware, nop, &bytes));
gcmkASSERT(reserved >= bytes);
reserved -= bytes;
nop += bytes;
}
}
/* Generate the LINK to this command buffer. */
gcmkONERROR(
gckHARDWARE_Link(hardware,
link,
logical + buffer->startOffset,
buffer->offset
- buffer->startOffset
+ Command->reservedTail,
&bytes));
#if MRVL_PRINT_CMD_BUFFER
_AddLink(Command, link, (gctUINT32_PTR)logical);
#endif
/* Flush the initial buffer. */
gcmkONERROR(gckOS_CacheFlush(Command->os,
Process,
flushPointer,
flushSize));
/* Save new flush pointer. */
flushPointer = logical + buffer->startOffset;
flushSize = buffer->offset
- buffer->startOffset
+ Command->reservedTail;
#if gcdDUMP_COMMAND
_DumpCommand(Command, dataPointer, dataBytes);
dataPointer = logical + buffer->startOffset;
dataBytes = buffer->offset - buffer->startOffset
+ Command->reservedTail;
#endif
/* Save pointer to next link. */
link = logical + buffer->offset;
}
/* Compute number of bytes required for WAIT/LINK. */
gcmkONERROR(
gckHARDWARE_WaitLink(hardware,
gcvNULL,
Command->offset,
&bytes,
gcvNULL,
gcvNULL));
lastRun = bytes;
/* Grab the command queue mutex. */
gcmkONERROR(
gckOS_AcquireMutex(Command->os,
Command->mutexQueue,
gcvINFINITE));
++acquired;
if (Command->kernel->notifyIdle)
{
/* Increase the commit stamp */
Command->commitStamp++;
/* Set busy if idle */
if (Command->idle)
{
Command->idle = gcvFALSE;
gcmkVERIFY_OK(gckOS_NotifyIdle(Command->os, gcvFALSE));
}
}
/* Compute number of bytes left in current command queue. */
bytes = Command->pageSize - Command->offset;
if (bytes < lastRun)
{
/* Create a new command queue. */
gcmkONERROR(_NewQueue(Command, gcvTRUE));
/* Adjust run size with any extra commands inserted. */
lastRun += Command->offset;
}
/* Get current offset. */
offset = Command->offset;
/* Append WAIT/LINK in command queue. */
bytes = Command->pageSize - offset;
gcmkONERROR(
gckHARDWARE_WaitLink(hardware,
(gctUINT8 *) Command->logical + offset,
offset,
&bytes,
&wait,
&waitSize));
/* Flush the cache for the wait/link. */
gcmkONERROR(gckOS_CacheFlush(Command->os,
gcvNULL,
(gctUINT8 *) Command->logical + offset,
bytes));
#if gcdDUMP_COMMAND
_DumpCommand(Command, (gctUINT8 *) Command->logical + offset, bytes);
#endif
/* Adjust offset. */
offset += bytes;
if (Command->newQueue)
{
/* Compute fetch location and size for a new command queue. */
fetchAddress = Command->logical;
fetchSize = offset;
}
else
{
/* Compute fetch location and size for an existing command queue. */
fetchAddress = (gctUINT8 *) Command->logical + Command->offset;
fetchSize = offset - Command->offset;
}
bytes = 8;
/* Link in WAIT/LINK. */
gcmkONERROR(
gckHARDWARE_Link(hardware,
link,
fetchAddress,
fetchSize,
&bytes));
#if MRVL_PRINT_CMD_BUFFER
_AddLink(Command, link, fetchAddress);
#endif
/* Flush the cache for the command buffer. */
gcmkONERROR(gckOS_CacheFlush(Command->os,
Process,
flushPointer,
flushSize));
#if gcdDUMP_COMMAND
_DumpCommand(Command, dataPointer, dataBytes);
#endif
/* Execute the entire sequence. */
gcmkONERROR(
gckHARDWARE_Link(hardware,
Command->wait,
initialLink,
initialSize,
&Command->waitSize));
/* Flush the cache for the link. */
gcmkONERROR(gckOS_CacheFlush(Command->os,
gcvNULL,
Command->wait,
Command->waitSize));
#if gcdDUMP_COMMAND
_DumpCommand(Command, Command->wait, Command->waitSize);
#endif
/* Update command queue offset. */
Command->offset = offset;
Command->newQueue = gcvFALSE;
/* Update address of last WAIT. */
Command->wait = wait;
Command->waitSize = waitSize;
/* Update context and pipe select. */
Command->currentContext = context->id;
Command->pipeSelect = context->currentPipe;
/* Update queue tail pointer. */
gcmkONERROR(
gckHARDWARE_UpdateQueueTail(hardware,
Command->logical,
Command->offset));
#if gcdDUMP_COMMAND
gcmkPRINT("@[kernel.commit]");
#endif
/* Release the command queue mutex. */
gcmkONERROR(gckOS_ReleaseMutex(Command->os, Command->mutexQueue));
--acquired;
/* Release the context switching mutex. */
gcmkONERROR(gckOS_ReleaseMutex(Command->os, Command->mutexContext));
--acquired;
/* Submit events if asked for. */
if (Command->submit)
{
/* Submit events. */
status = gckEVENT_Submit(Command->kernel->event, gcvFALSE, gcvFALSE);
if (gcmIS_SUCCESS(status))
{
/* Success. */
Command->submit = gcvFALSE;
}
else
{
gcmkTRACE_ZONE(gcvLEVEL_WARNING, gcvZONE_COMMAND,
"gckEVENT_Submit returned %d",
status);
}
}
/* Success. */
status = gcvSTATUS_OK;
OnError:
if (acquired > 1)
{
/* Release the command queue mutex. */
gcmkVERIFY_OK(
gckOS_ReleaseMutex(Command->os, Command->mutexQueue));
}
if (acquired > 0)
{
/* Release the context switching mutex. */
gcmkVERIFY_OK(
gckOS_ReleaseMutex(Command->os, Command->mutexContext));
}
/* Unmap all mapped pointers. */
while (stack != gcvNULL)
{
gcsMAPPED_PTR map = stack;
stack = map->next;
gcmkVERIFY_OK(
gckOS_UnmapUserPointer(Command->os,
map->pointer,
map->bytes,
map->kernelPointer));
gcmkVERIFY_OK(
gckOS_Free(Command->os, map));
}
/* Return status. */
gcmkFOOTER();
return status;
}
/*******************************************************************************
**
** gckCOMMAND_Construct
**
** Construct a new gckCOMMAND object.
**
** INPUT:
**
** gckKERNEL Kernel
** Pointer to an gckKERNEL object.
**
** OUTPUT:
**
** gckCOMMAND * Command
** Pointer to a variable that will hold the pointer to the gckCOMMAND
** object.
*/
gceSTATUS
gckCOMMAND_Construct(
IN gckKERNEL Kernel,
OUT gckCOMMAND * Command
)
{
gckOS os;
gckCOMMAND command = gcvNULL;
gceSTATUS status;
gctINT i;
gcmkHEADER_ARG("Kernel=0x%x", Kernel);
/* Verify the arguments. */
gcmkVERIFY_OBJECT(Kernel, gcvOBJ_KERNEL);
gcmkVERIFY_ARGUMENT(Command != gcvNULL);
/* Extract the gckOS object. */
os = Kernel->os;
/* Allocate the gckCOMMAND structure. */
gcmkONERROR(
gckOS_Allocate(os,
gcmSIZEOF(struct _gckCOMMAND),
(gctPOINTER *) &command));
/* Initialize the gckCOMMAND object.*/
command->object.type = gcvOBJ_COMMAND;
command->kernel = Kernel;
command->os = os;
command->mutexQueue = gcvNULL;
command->mutexContext = gcvNULL;
/* No command queues created yet. */
command->index = 0;
for (i = 0; i < gcdCOMMAND_QUEUES; ++i)
{
command->queues[i].signal = gcvNULL;
command->queues[i].logical = gcvNULL;
}
/* Get the command buffer requirements. */
gcmkONERROR(
gckHARDWARE_QueryCommandBuffer(Kernel->hardware,
&command->alignment,
&command->reservedHead,
&command->reservedTail));
/* No contexts available yet. */
command->contextCounter = command->currentContext = 0;
/* Create the command queue mutex. */
gcmkONERROR(
gckOS_CreateMutex(os, &command->mutexQueue));
/* Create the context switching mutex. */
gcmkONERROR(
gckOS_CreateMutex(os, &command->mutexContext));
/* Get the page size from teh OS. */
gcmkONERROR(
gckOS_GetPageSize(os, &command->pageSize));
/* Set hardware to pipe 0. */
command->pipeSelect = 0;
/* Pre-allocate the command queues. */
for (i = 0; i < gcdCOMMAND_QUEUES; ++i)
{
gcmkONERROR(
gckOS_AllocateNonPagedMemory(os,
gcvFALSE,
&command->pageSize,
&command->queues[i].physical,
&command->queues[i].logical));
gcmkONERROR(
gckOS_CreateSignal(os, gcvFALSE, &command->queues[i].signal));
gcmkONERROR(
gckOS_Signal(os, command->queues[i].signal, gcvTRUE));
}
/* No command queue in use yet. */
command->index = -1;
command->logical = gcvNULL;
command->newQueue = gcvFALSE;
command->submit = gcvFALSE;
/* Command is not yet running. */
command->running = gcvFALSE;
/* Command queue is idle. */
command->idle = gcvTRUE;
/* Commit stamp is zero. */
command->commitStamp = 0;
/* Return pointer to the gckCOMMAND object. */
*Command = command;
/* Success. */
gcmkFOOTER_ARG("*Command=0x%x", *Command);
return gcvSTATUS_OK;
OnError:
/* Roll back. */
if (command != gcvNULL)
{
if (command->mutexContext != gcvNULL)
{
gcmkVERIFY_OK(gckOS_DeleteMutex(os, command->mutexContext));
}
if (command->mutexQueue != gcvNULL)
{
gcmkVERIFY_OK(gckOS_DeleteMutex(os, command->mutexQueue));
}
for (i = 0; i < gcdCOMMAND_QUEUES; ++i)
{
if (command->queues[i].signal != gcvNULL)
{
gcmkVERIFY_OK(
gckOS_DestroySignal(os, command->queues[i].signal));
}
if (command->queues[i].logical != gcvNULL)
{
gcmkVERIFY_OK(
gckOS_FreeNonPagedMemory(os,
command->pageSize,
command->queues[i].physical,
command->queues[i].logical));
}
}
gcmkVERIFY_OK(gckOS_Free(os, command));
}
/* Return the status. */
gcmkFOOTER();
return status;
}