diff options
Diffstat (limited to 'MdeModulePkg/Bus/Pci/XhciPei/UsbHcMem.c')
| -rw-r--r-- | MdeModulePkg/Bus/Pci/XhciPei/UsbHcMem.c | 204 |
1 files changed, 103 insertions, 101 deletions
diff --git a/MdeModulePkg/Bus/Pci/XhciPei/UsbHcMem.c b/MdeModulePkg/Bus/Pci/XhciPei/UsbHcMem.c index 01f4228537..c64b38fcfc 100644 --- a/MdeModulePkg/Bus/Pci/XhciPei/UsbHcMem.c +++ b/MdeModulePkg/Bus/Pci/XhciPei/UsbHcMem.c @@ -20,7 +20,7 @@ SPDX-License-Identifier: BSD-2-Clause-Patent **/
USBHC_MEM_BLOCK *
UsbHcAllocMemBlock (
- IN UINTN Pages
+ IN UINTN Pages
)
{
USBHC_MEM_BLOCK *Block;
@@ -32,16 +32,17 @@ UsbHcAllocMemBlock ( EFI_PHYSICAL_ADDRESS TempPtr;
PageNumber = EFI_SIZE_TO_PAGES (sizeof (USBHC_MEM_BLOCK));
- Status = PeiServicesAllocatePages (
- EfiBootServicesData,
- PageNumber,
- &TempPtr
- );
+ Status = PeiServicesAllocatePages (
+ EfiBootServicesData,
+ PageNumber,
+ &TempPtr
+ );
if (EFI_ERROR (Status)) {
return NULL;
}
- ZeroMem ((VOID *) (UINTN) TempPtr, EFI_PAGES_TO_SIZE (PageNumber));
+
+ ZeroMem ((VOID *)(UINTN)TempPtr, EFI_PAGES_TO_SIZE (PageNumber));
//
// each bit in the bit array represents USBHC_MEM_UNIT
@@ -49,23 +50,24 @@ UsbHcAllocMemBlock ( //
ASSERT (USBHC_MEM_UNIT * 8 <= EFI_PAGE_SIZE);
- Block = (USBHC_MEM_BLOCK *) (UINTN) TempPtr;
- Block->BufLen = EFI_PAGES_TO_SIZE (Pages);
+ Block = (USBHC_MEM_BLOCK *)(UINTN)TempPtr;
+ Block->BufLen = EFI_PAGES_TO_SIZE (Pages);
Block->BitsLen = Block->BufLen / (USBHC_MEM_UNIT * 8);
PageNumber = EFI_SIZE_TO_PAGES (Block->BitsLen);
- Status = PeiServicesAllocatePages (
- EfiBootServicesData,
- PageNumber,
- &TempPtr
- );
+ Status = PeiServicesAllocatePages (
+ EfiBootServicesData,
+ PageNumber,
+ &TempPtr
+ );
if (EFI_ERROR (Status)) {
return NULL;
}
- ZeroMem ((VOID *) (UINTN) TempPtr, EFI_PAGES_TO_SIZE (PageNumber));
- Block->Bits = (UINT8 *) (UINTN) TempPtr;
+ ZeroMem ((VOID *)(UINTN)TempPtr, EFI_PAGES_TO_SIZE (PageNumber));
+
+ Block->Bits = (UINT8 *)(UINTN)TempPtr;
Status = IoMmuAllocateBuffer (
Pages,
@@ -76,12 +78,13 @@ UsbHcAllocMemBlock ( if (EFI_ERROR (Status)) {
return NULL;
}
- ZeroMem ((VOID *) (UINTN) BufHost, EFI_PAGES_TO_SIZE (Pages));
- Block->BufHost = (UINT8 *) (UINTN) BufHost;
- Block->Buf = (UINT8 *) (UINTN) MappedAddr;
- Block->Mapping = Mapping;
- Block->Next = NULL;
+ ZeroMem ((VOID *)(UINTN)BufHost, EFI_PAGES_TO_SIZE (Pages));
+
+ Block->BufHost = (UINT8 *)(UINTN)BufHost;
+ Block->Buf = (UINT8 *)(UINTN)MappedAddr;
+ Block->Mapping = Mapping;
+ Block->Next = NULL;
return Block;
}
@@ -95,8 +98,8 @@ UsbHcAllocMemBlock ( **/
VOID
UsbHcFreeMemBlock (
- IN USBHC_MEM_POOL *Pool,
- IN USBHC_MEM_BLOCK *Block
+ IN USBHC_MEM_POOL *Pool,
+ IN USBHC_MEM_BLOCK *Block
)
{
ASSERT ((Pool != NULL) && (Block != NULL));
@@ -120,22 +123,22 @@ UsbHcFreeMemBlock ( **/
VOID *
UsbHcAllocMemFromBlock (
- IN USBHC_MEM_BLOCK *Block,
- IN UINTN Units
+ IN USBHC_MEM_BLOCK *Block,
+ IN UINTN Units
)
{
- UINTN Byte;
- UINT8 Bit;
- UINTN StartByte;
- UINT8 StartBit;
- UINTN Available;
- UINTN Count;
+ UINTN Byte;
+ UINT8 Bit;
+ UINTN StartByte;
+ UINT8 StartBit;
+ UINTN Available;
+ UINTN Count;
ASSERT ((Block != 0) && (Units != 0));
- StartByte = 0;
- StartBit = 0;
- Available = 0;
+ StartByte = 0;
+ StartBit = 0;
+ Available = 0;
for (Byte = 0, Bit = 0; Byte < Block->BitsLen;) {
//
@@ -154,9 +157,9 @@ UsbHcAllocMemFromBlock ( } else {
NEXT_BIT (Byte, Bit);
- Available = 0;
- StartByte = Byte;
- StartBit = Bit;
+ Available = 0;
+ StartByte = Byte;
+ StartBit = Bit;
}
}
@@ -167,13 +170,13 @@ UsbHcAllocMemFromBlock ( //
// Mark the memory as allocated
//
- Byte = StartByte;
- Bit = StartBit;
+ Byte = StartByte;
+ Bit = StartBit;
for (Count = 0; Count < Units; Count++) {
ASSERT (!USB_HC_BIT_IS_SET (Block->Bits[Byte], Bit));
- Block->Bits[Byte] = (UINT8) (Block->Bits[Byte] | (UINT8) USB_HC_BIT (Bit));
+ Block->Bits[Byte] = (UINT8)(Block->Bits[Byte] | (UINT8)USB_HC_BIT (Bit));
NEXT_BIT (Byte, Bit);
}
@@ -192,9 +195,9 @@ UsbHcAllocMemFromBlock ( **/
EFI_PHYSICAL_ADDRESS
UsbHcGetPciAddrForHostAddr (
- IN USBHC_MEM_POOL *Pool,
- IN VOID *Mem,
- IN UINTN Size
+ IN USBHC_MEM_POOL *Pool,
+ IN VOID *Mem,
+ IN UINTN Size
)
{
USBHC_MEM_BLOCK *Head;
@@ -215,7 +218,7 @@ UsbHcGetPciAddrForHostAddr ( // scan the memory block list for the memory block that
// completely contains the allocated memory.
//
- if ((Block->BufHost <= (UINT8 *) Mem) && (((UINT8 *) Mem + AllocSize) <= (Block->BufHost + Block->BufLen))) {
+ if ((Block->BufHost <= (UINT8 *)Mem) && (((UINT8 *)Mem + AllocSize) <= (Block->BufHost + Block->BufLen))) {
break;
}
}
@@ -224,8 +227,8 @@ UsbHcGetPciAddrForHostAddr ( //
// calculate the pci memory address for host memory address.
//
- Offset = (UINT8 *) Mem - Block->BufHost;
- PhyAddr = (EFI_PHYSICAL_ADDRESS) (UINTN) (Block->Buf + Offset);
+ Offset = (UINT8 *)Mem - Block->BufHost;
+ PhyAddr = (EFI_PHYSICAL_ADDRESS)(UINTN)(Block->Buf + Offset);
return PhyAddr;
}
@@ -241,9 +244,9 @@ UsbHcGetPciAddrForHostAddr ( **/
EFI_PHYSICAL_ADDRESS
UsbHcGetHostAddrForPciAddr (
- IN USBHC_MEM_POOL *Pool,
- IN VOID *Mem,
- IN UINTN Size
+ IN USBHC_MEM_POOL *Pool,
+ IN VOID *Mem,
+ IN UINTN Size
)
{
USBHC_MEM_BLOCK *Head;
@@ -264,7 +267,7 @@ UsbHcGetHostAddrForPciAddr ( // scan the memory block list for the memory block that
// completely contains the allocated memory.
//
- if ((Block->Buf <= (UINT8 *) Mem) && (((UINT8 *) Mem + AllocSize) <= (Block->Buf + Block->BufLen))) {
+ if ((Block->Buf <= (UINT8 *)Mem) && (((UINT8 *)Mem + AllocSize) <= (Block->Buf + Block->BufLen))) {
break;
}
}
@@ -273,8 +276,8 @@ UsbHcGetHostAddrForPciAddr ( //
// calculate the host memory address for pci memory address.
//
- Offset = (UINT8 *) Mem - Block->Buf;
- HostAddr = (EFI_PHYSICAL_ADDRESS) (UINTN) (Block->BufHost + Offset);
+ Offset = (UINT8 *)Mem - Block->Buf;
+ HostAddr = (EFI_PHYSICAL_ADDRESS)(UINTN)(Block->BufHost + Offset);
return HostAddr;
}
@@ -287,8 +290,8 @@ UsbHcGetHostAddrForPciAddr ( **/
VOID
UsbHcInsertMemBlockToPool (
- IN USBHC_MEM_BLOCK *Head,
- IN USBHC_MEM_BLOCK *Block
+ IN USBHC_MEM_BLOCK *Head,
+ IN USBHC_MEM_BLOCK *Block
)
{
ASSERT ((Head != NULL) && (Block != NULL));
@@ -307,10 +310,10 @@ UsbHcInsertMemBlockToPool ( **/
BOOLEAN
UsbHcIsMemBlockEmpty (
- IN USBHC_MEM_BLOCK *Block
+ IN USBHC_MEM_BLOCK *Block
)
{
- UINTN Index;
+ UINTN Index;
for (Index = 0; Index < Block->BitsLen; Index++) {
if (Block->Bits[Index] != 0) {
@@ -321,8 +324,6 @@ UsbHcIsMemBlockEmpty ( return TRUE;
}
-
-
/**
Initialize the memory management pool for the host controller.
@@ -340,17 +341,18 @@ UsbHcInitMemPool ( EFI_PHYSICAL_ADDRESS TempPtr;
PageNumber = EFI_SIZE_TO_PAGES (sizeof (USBHC_MEM_POOL));
- Status = PeiServicesAllocatePages (
- EfiBootServicesData,
- PageNumber,
- &TempPtr
- );
+ Status = PeiServicesAllocatePages (
+ EfiBootServicesData,
+ PageNumber,
+ &TempPtr
+ );
if (EFI_ERROR (Status)) {
return NULL;
}
- ZeroMem ((VOID *) (UINTN) TempPtr, EFI_PAGES_TO_SIZE (PageNumber));
- Pool = (USBHC_MEM_POOL *) ((UINTN) TempPtr);
+ ZeroMem ((VOID *)(UINTN)TempPtr, EFI_PAGES_TO_SIZE (PageNumber));
+
+ Pool = (USBHC_MEM_POOL *)((UINTN)TempPtr);
Pool->Head = UsbHcAllocMemBlock (USBHC_MEM_DEFAULT_PAGES);
if (Pool->Head == NULL) {
@@ -371,10 +373,10 @@ UsbHcInitMemPool ( **/
VOID
UsbHcFreeMemPool (
- IN USBHC_MEM_POOL *Pool
+ IN USBHC_MEM_POOL *Pool
)
{
- USBHC_MEM_BLOCK *Block;
+ USBHC_MEM_BLOCK *Block;
ASSERT (Pool->Head != NULL);
@@ -384,7 +386,7 @@ UsbHcFreeMemPool ( // first block.
//
for (Block = Pool->Head->Next; Block != NULL; Block = Pool->Head->Next) {
- //UsbHcUnlinkMemBlock (Pool->Head, Block);
+ // UsbHcUnlinkMemBlock (Pool->Head, Block);
UsbHcFreeMemBlock (Pool, Block);
}
@@ -403,16 +405,16 @@ UsbHcFreeMemPool ( **/
VOID *
UsbHcAllocateMem (
- IN USBHC_MEM_POOL *Pool,
- IN UINTN Size
+ IN USBHC_MEM_POOL *Pool,
+ IN UINTN Size
)
{
- USBHC_MEM_BLOCK *Head;
- USBHC_MEM_BLOCK *Block;
- USBHC_MEM_BLOCK *NewBlock;
- VOID *Mem;
- UINTN AllocSize;
- UINTN Pages;
+ USBHC_MEM_BLOCK *Head;
+ USBHC_MEM_BLOCK *Block;
+ USBHC_MEM_BLOCK *NewBlock;
+ VOID *Mem;
+ UINTN AllocSize;
+ UINTN Pages;
Mem = NULL;
AllocSize = USBHC_MEM_ROUND (Size);
@@ -446,6 +448,7 @@ UsbHcAllocateMem ( } else {
Pages = USBHC_MEM_DEFAULT_PAGES;
}
+
NewBlock = UsbHcAllocMemBlock (Pages);
if (NewBlock == NULL) {
@@ -475,22 +478,22 @@ UsbHcAllocateMem ( **/
VOID
UsbHcFreeMem (
- IN USBHC_MEM_POOL *Pool,
- IN VOID *Mem,
- IN UINTN Size
+ IN USBHC_MEM_POOL *Pool,
+ IN VOID *Mem,
+ IN UINTN Size
)
{
- USBHC_MEM_BLOCK *Head;
- USBHC_MEM_BLOCK *Block;
- UINT8 *ToFree;
- UINTN AllocSize;
- UINTN Byte;
- UINTN Bit;
- UINTN Count;
+ USBHC_MEM_BLOCK *Head;
+ USBHC_MEM_BLOCK *Block;
+ UINT8 *ToFree;
+ UINTN AllocSize;
+ UINTN Byte;
+ UINTN Bit;
+ UINTN Count;
Head = Pool->Head;
AllocSize = USBHC_MEM_ROUND (Size);
- ToFree = (UINT8 *) Mem;
+ ToFree = (UINT8 *)Mem;
for (Block = Head; Block != NULL; Block = Block->Next) {
//
@@ -501,8 +504,8 @@ UsbHcFreeMem ( //
// compute the start byte and bit in the bit array
//
- Byte = ((ToFree - Block->BufHost) / USBHC_MEM_UNIT) / 8;
- Bit = ((ToFree - Block->BufHost) / USBHC_MEM_UNIT) % 8;
+ Byte = ((ToFree - Block->BufHost) / USBHC_MEM_UNIT) / 8;
+ Bit = ((ToFree - Block->BufHost) / USBHC_MEM_UNIT) % 8;
//
// reset associated bits in bit array
@@ -510,7 +513,7 @@ UsbHcFreeMem ( for (Count = 0; Count < (AllocSize / USBHC_MEM_UNIT); Count++) {
ASSERT (USB_HC_BIT_IS_SET (Block->Bits[Byte], Bit));
- Block->Bits[Byte] = (UINT8) (Block->Bits[Byte] ^ USB_HC_BIT (Bit));
+ Block->Bits[Byte] = (UINT8)(Block->Bits[Byte] ^ USB_HC_BIT (Bit));
NEXT_BIT (Byte, Bit);
}
@@ -529,7 +532,7 @@ UsbHcFreeMem ( // Release the current memory block if it is empty and not the head
//
if ((Block != Head) && UsbHcIsMemBlockEmpty (Block)) {
- //UsbHcUnlinkMemBlock (Head, Block);
+ // UsbHcUnlinkMemBlock (Head, Block);
UsbHcFreeMemBlock (Pool, Block);
}
}
@@ -553,11 +556,11 @@ UsbHcFreeMem ( **/
EFI_STATUS
UsbHcAllocateAlignedPages (
- IN UINTN Pages,
- IN UINTN Alignment,
- OUT VOID **HostAddress,
- OUT EFI_PHYSICAL_ADDRESS *DeviceAddress,
- OUT VOID **Mapping
+ IN UINTN Pages,
+ IN UINTN Alignment,
+ OUT VOID **HostAddress,
+ OUT EFI_PHYSICAL_ADDRESS *DeviceAddress,
+ OUT VOID **Mapping
)
{
EFI_STATUS Status;
@@ -603,7 +606,7 @@ UsbHcAllocateAlignedPages ( }
}
- *HostAddress = Memory;
+ *HostAddress = Memory;
*DeviceAddress = DeviceMemory;
return EFI_SUCCESS;
@@ -619,13 +622,12 @@ UsbHcAllocateAlignedPages ( **/
VOID
UsbHcFreeAlignedPages (
- IN VOID *HostAddress,
- IN UINTN Pages,
- IN VOID *Mapping
+ IN VOID *HostAddress,
+ IN UINTN Pages,
+ IN VOID *Mapping
)
{
ASSERT (Pages != 0);
IoMmuFreeBuffer (Pages, HostAddress, Mapping);
}
-
|