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MdeModulePkg/DiskIo: Introduced 'PcdDiskIoDataBufferBlockNum'

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PcdDiskIoDataBufferBlockNum replaced the hardcoded value into
the Disk I/O driver.

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Olivier Martin <olivier.martin@arm.com>
Reviewed-By: Tian, Feng <feng.tian@intel.com>



git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@15235 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
Olivier Martin
2014-02-12 11:37:57 +00:00
committed by oliviermartin
parent 336c8e116b
commit e645bd857d
4 changed files with 14 additions and 14 deletions
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10
MdeModulePkg/Universal/Disk/DiskIoDxe/DiskIo.c
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@@ -183,7 +183,7 @@ DiskIoDriverBindingStart (
InitializeListHead (&Instance->TaskQueue);
EfiInitializeLock (&Instance->TaskQueueLock, TPL_NOTIFY);
Instance->SharedWorkingBuffer = AllocateAlignedPages (
EFI_SIZE_TO_PAGES (DATA_BUFFER_BLOCK_NUM * Instance->BlockIo->Media->BlockSize),
EFI_SIZE_TO_PAGES (PcdGet32 (PcdDiskIoDataBufferBlockNum) * Instance->BlockIo->Media->BlockSize),
Instance->BlockIo->Media->IoAlign
);
if (Instance->SharedWorkingBuffer == NULL) {
@@ -214,7 +214,7 @@ ErrorExit:
if (Instance != NULL && Instance->SharedWorkingBuffer != NULL) {
FreeAlignedPages (
Instance->SharedWorkingBuffer,
EFI_SIZE_TO_PAGES (DATA_BUFFER_BLOCK_NUM * Instance->BlockIo->Media->BlockSize)
EFI_SIZE_TO_PAGES (PcdGet32 (PcdDiskIoDataBufferBlockNum) * Instance->BlockIo->Media->BlockSize)
);
}
@@ -324,7 +324,7 @@ DiskIoDriverBindingStop (
FreeAlignedPages (
Instance->SharedWorkingBuffer,
EFI_SIZE_TO_PAGES (DATA_BUFFER_BLOCK_NUM * Instance->BlockIo->Media->BlockSize)
EFI_SIZE_TO_PAGES (PcdGet32 (PcdDiskIoDataBufferBlockNum) * Instance->BlockIo->Media->BlockSize)
);
Status = gBS->CloseProtocol (
@@ -655,8 +655,8 @@ DiskIoCreateSubtaskList (
// Use the allocated buffer instead of the original buffer
// to avoid alignment issue.
//
for (; Lba < OverRunLba; Lba += DATA_BUFFER_BLOCK_NUM) {
DataBufferSize = MIN (BufferSize, DATA_BUFFER_BLOCK_NUM * BlockSize);
for (; Lba < OverRunLba; Lba += PcdGet32 (PcdDiskIoDataBufferBlockNum)) {
DataBufferSize = MIN (BufferSize, PcdGet32 (PcdDiskIoDataBufferBlockNum) * BlockSize);
Subtask = DiskIoCreateSubtask (Write, Lba, 0, DataBufferSize, SharedWorkingBuffer, BufferPtr, Blocking);
if (Subtask == NULL) {