diff options
Diffstat (limited to 'MdeModulePkg/Bus/Pci/UhciDxe/UsbHcMem.c')
| -rw-r--r-- | MdeModulePkg/Bus/Pci/UhciDxe/UsbHcMem.c | 170 |
1 files changed, 80 insertions, 90 deletions
diff --git a/MdeModulePkg/Bus/Pci/UhciDxe/UsbHcMem.c b/MdeModulePkg/Bus/Pci/UhciDxe/UsbHcMem.c index a8c098f9c3..d6b9615e49 100644 --- a/MdeModulePkg/Bus/Pci/UhciDxe/UsbHcMem.c +++ b/MdeModulePkg/Bus/Pci/UhciDxe/UsbHcMem.c @@ -9,7 +9,6 @@ SPDX-License-Identifier: BSD-2-Clause-Patent #include "Uhci.h"
-
/**
Allocate a block of memory to be used by the buffer pool.
@@ -21,17 +20,17 @@ SPDX-License-Identifier: BSD-2-Clause-Patent **/
USBHC_MEM_BLOCK *
UsbHcAllocMemBlock (
- IN USBHC_MEM_POOL *Pool,
- IN UINTN Pages
+ IN USBHC_MEM_POOL *Pool,
+ IN UINTN Pages
)
{
- USBHC_MEM_BLOCK *Block;
- EFI_PCI_IO_PROTOCOL *PciIo;
- VOID *BufHost;
- VOID *Mapping;
- EFI_PHYSICAL_ADDRESS MappedAddr;
- UINTN Bytes;
- EFI_STATUS Status;
+ USBHC_MEM_BLOCK *Block;
+ EFI_PCI_IO_PROTOCOL *PciIo;
+ VOID *BufHost;
+ VOID *Mapping;
+ EFI_PHYSICAL_ADDRESS MappedAddr;
+ UINTN Bytes;
+ EFI_STATUS Status;
PciIo = Pool->PciIo;
@@ -46,9 +45,9 @@ UsbHcAllocMemBlock ( //
ASSERT (USBHC_MEM_UNIT * 8 <= EFI_PAGE_SIZE);
- Block->BufLen = EFI_PAGES_TO_SIZE (Pages);
- Block->BitsLen = Block->BufLen / (USBHC_MEM_UNIT * 8);
- Block->Bits = AllocateZeroPool (Block->BitsLen);
+ Block->BufLen = EFI_PAGES_TO_SIZE (Pages);
+ Block->BitsLen = Block->BufLen / (USBHC_MEM_UNIT * 8);
+ Block->Bits = AllocateZeroPool (Block->BitsLen);
if (Block->Bits == NULL) {
gBS->FreePool (Block);
@@ -72,7 +71,7 @@ UsbHcAllocMemBlock ( goto FREE_BITARRAY;
}
- Bytes = EFI_PAGES_TO_SIZE (Pages);
+ Bytes = EFI_PAGES_TO_SIZE (Pages);
Status = PciIo->Map (
PciIo,
EfiPciIoOperationBusMasterCommonBuffer,
@@ -95,9 +94,9 @@ UsbHcAllocMemBlock ( goto FREE_BUFFER;
}
- Block->BufHost = BufHost;
- Block->Buf = (UINT8 *) ((UINTN) MappedAddr);
- Block->Mapping = Mapping;
+ Block->BufHost = BufHost;
+ Block->Buf = (UINT8 *)((UINTN)MappedAddr);
+ Block->Mapping = Mapping;
return Block;
@@ -110,7 +109,6 @@ FREE_BITARRAY: return NULL;
}
-
/**
Free the memory block from the memory pool.
@@ -120,11 +118,11 @@ FREE_BITARRAY: **/
VOID
UsbHcFreeMemBlock (
- IN USBHC_MEM_POOL *Pool,
- IN USBHC_MEM_BLOCK *Block
+ IN USBHC_MEM_POOL *Pool,
+ IN USBHC_MEM_BLOCK *Block
)
{
- EFI_PCI_IO_PROTOCOL *PciIo;
+ EFI_PCI_IO_PROTOCOL *PciIo;
ASSERT ((Pool != NULL) && (Block != NULL));
@@ -140,7 +138,6 @@ UsbHcFreeMemBlock ( gBS->FreePool (Block);
}
-
/**
Alloc some memory from the block.
@@ -153,22 +150,22 @@ 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;) {
//
@@ -184,13 +181,12 @@ UsbHcAllocMemFromBlock ( }
NEXT_BIT (Byte, Bit);
-
} else {
NEXT_BIT (Byte, Bit);
- Available = 0;
- StartByte = Byte;
- StartBit = Bit;
+ Available = 0;
+ StartByte = Byte;
+ StartBit = Bit;
}
}
@@ -201,13 +197,13 @@ 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);
}
@@ -225,16 +221,16 @@ UsbHcAllocMemFromBlock ( **/
EFI_PHYSICAL_ADDRESS
UsbHcGetPciAddressForHostMem (
- 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;
- UINTN AllocSize;
- EFI_PHYSICAL_ADDRESS PhyAddr;
- UINTN Offset;
+ USBHC_MEM_BLOCK *Head;
+ USBHC_MEM_BLOCK *Block;
+ UINTN AllocSize;
+ EFI_PHYSICAL_ADDRESS PhyAddr;
+ UINTN Offset;
Head = Pool->Head;
AllocSize = USBHC_MEM_ROUND (Size);
@@ -248,7 +244,7 @@ UsbHcGetPciAddressForHostMem ( // 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;
}
}
@@ -257,8 +253,8 @@ UsbHcGetPciAddressForHostMem ( //
// 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;
}
@@ -271,8 +267,8 @@ UsbHcGetPciAddressForHostMem ( **/
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));
@@ -280,7 +276,6 @@ UsbHcInsertMemBlockToPool ( Head->Next = Block;
}
-
/**
Is the memory block empty?
@@ -292,10 +287,10 @@ 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) {
@@ -306,7 +301,6 @@ UsbHcIsMemBlockEmpty ( return TRUE;
}
-
/**
Unlink the memory block from the pool's list.
@@ -316,11 +310,11 @@ UsbHcIsMemBlockEmpty ( **/
VOID
UsbHcUnlinkMemBlock (
- IN USBHC_MEM_BLOCK *Head,
- IN USBHC_MEM_BLOCK *BlockToUnlink
+ IN USBHC_MEM_BLOCK *Head,
+ IN USBHC_MEM_BLOCK *BlockToUnlink
)
{
- USBHC_MEM_BLOCK *Block;
+ USBHC_MEM_BLOCK *Block;
ASSERT ((Head != NULL) && (BlockToUnlink != NULL));
@@ -333,7 +327,6 @@ UsbHcUnlinkMemBlock ( }
}
-
/**
Initialize the memory management pool for the host controller.
@@ -353,7 +346,7 @@ UsbHcInitMemPool ( IN UINT32 Which4G
)
{
- USBHC_MEM_POOL *Pool;
+ USBHC_MEM_POOL *Pool;
Pool = AllocatePool (sizeof (USBHC_MEM_POOL));
@@ -374,7 +367,6 @@ UsbHcInitMemPool ( return Pool;
}
-
/**
Release the memory management pool.
@@ -386,10 +378,10 @@ UsbHcInitMemPool ( **/
EFI_STATUS
UsbHcFreeMemPool (
- IN USBHC_MEM_POOL *Pool
+ IN USBHC_MEM_POOL *Pool
)
{
- USBHC_MEM_BLOCK *Block;
+ USBHC_MEM_BLOCK *Block;
ASSERT (Pool->Head != NULL);
@@ -408,7 +400,6 @@ UsbHcFreeMemPool ( return EFI_SUCCESS;
}
-
/**
Allocate some memory from the host controller's memory pool
which can be used to communicate with host controller.
@@ -421,16 +412,16 @@ 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);
@@ -485,7 +476,6 @@ UsbHcAllocateMem ( return Mem;
}
-
/**
Free the allocated memory back to the memory pool.
@@ -496,22 +486,22 @@ 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) {
//
@@ -522,8 +512,8 @@ UsbHcFreeMem ( //
// compute the start byte and bit in the bit array
//
- Byte = ((ToFree - Block->Buf) / USBHC_MEM_UNIT) / 8;
- Bit = ((ToFree - Block->Buf) / USBHC_MEM_UNIT) % 8;
+ Byte = ((ToFree - Block->Buf) / USBHC_MEM_UNIT) / 8;
+ Bit = ((ToFree - Block->Buf) / USBHC_MEM_UNIT) % 8;
//
// reset associated bits in bit array
@@ -531,7 +521,7 @@ 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);
}
@@ -554,5 +544,5 @@ UsbHcFreeMem ( UsbHcFreeMemBlock (Pool, Block);
}
- return ;
+ return;
}
|