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MdeModulePkg/AtaBus&AtaAtapiPassThru: Update ATA drivers to follow UEFI2.4 new request in which it requests ResetEx() to terminate any in-flight non-blocking IO request with EFI_ABORTED transaction status.

Browse Source 
Signed-off-by: Tian, Feng <feng.tian@intel.com>
reviewed-by: Ni, Ruiyu <ruiyu.ni@intel.com>

git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@14761 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
Tian, Feng
2013-10-10 05:57:50 +00:00
committed by erictian
parent 5bcb62a409
commit 71fd9fae8b
4 changed files with 120 additions and 25 deletions
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68
MdeModulePkg/Bus/Ata/AtaBusDxe/AtaPassThruExecute.c
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@@ -582,6 +582,62 @@ FreeAtaSubTask (
FreePool (Task);
}
/**
Terminate any in-flight non-blocking I/O requests by signaling an EFI_ABORTED
in the TransactionStatus member of the EFI_BLOCK_IO2_TOKEN for the non-blocking
I/O. After that it is safe to free any Token or Buffer data structures that
were allocated to initiate the non-blockingI/O requests that were in-flight for
this device.
@param[in] AtaDevice The ATA child device involved for the operation.
**/
VOID
EFIAPI
AtaTerminateNonBlockingTask (
IN ATA_DEVICE *AtaDevice
)
{
BOOLEAN SubTaskEmpty;
EFI_TPL OldTpl;
ATA_BUS_ASYN_TASK *AtaTask;
LIST_ENTRY *Entry;
LIST_ENTRY *List;
OldTpl = gBS->RaiseTPL (TPL_NOTIFY);
//
// Abort all executing tasks from now.
//
AtaDevice->Abort = TRUE;
List = &AtaDevice->AtaTaskList;
for (Entry = GetFirstNode (List); !IsNull (List, Entry);) {
AtaTask = ATA_ASYN_TASK_FROM_ENTRY (Entry);
AtaTask->Token->TransactionStatus = EFI_ABORTED;
gBS->SignalEvent (AtaTask->Token->Event);
Entry = RemoveEntryList (Entry);
FreePool (AtaTask);
}
gBS->RestoreTPL (OldTpl);
do {
OldTpl = gBS->RaiseTPL (TPL_NOTIFY);
//
// Wait for executing subtasks done.
//
SubTaskEmpty = IsListEmpty (&AtaDevice->AtaSubTaskList);
gBS->RestoreTPL (OldTpl);
} while (!SubTaskEmpty);
//
// Aborting operation has been done. From now on, don't need to abort normal operation.
//
OldTpl = gBS->RaiseTPL (TPL_NOTIFY);
AtaDevice->Abort = FALSE;
gBS->RestoreTPL (OldTpl);
}
/**
Call back funtion when the event is signaled.
@@ -617,6 +673,11 @@ AtaNonBlockingCallBack (
if ((!(*Task->IsError)) && ((Task->Packet.Asb->AtaStatus & 0x01) == 0x01)) {
Task->Token->TransactionStatus = EFI_DEVICE_ERROR;
}
if (AtaDevice->Abort) {
Task->Token->TransactionStatus = EFI_ABORTED;
}
DEBUG ((
EFI_D_BLKIO,
"NON-BLOCKING EVENT FINISHED!- STATUS = %r\n",
@@ -652,7 +713,7 @@ AtaNonBlockingCallBack (
//
if (!IsListEmpty (&AtaDevice->AtaTaskList)) {
Entry = GetFirstNode (&AtaDevice->AtaTaskList);
AtaTask = ATA_AYNS_TASK_FROM_ENTRY (Entry);
AtaTask = ATA_ASYN_TASK_FROM_ENTRY (Entry);
DEBUG ((EFI_D_BLKIO, "Start to embark a new Ata Task\n"));
DEBUG ((EFI_D_BLKIO, "AtaTask->NumberOfBlocks = %x; AtaTask->Token=%x\n", AtaTask->NumberOfBlocks, AtaTask->Token));
Status = AccessAtaDevice (
@@ -737,7 +798,7 @@ AccessAtaDevice(
SubTask = NULL;
SubEvent = NULL;
AtaTask = NULL;
//
// Ensure AtaDevice->Lba48Bit is a valid boolean value
//
@@ -750,6 +811,7 @@ AccessAtaDevice(
//
if ((Token != NULL) && (Token->Event != NULL)) {
OldTpl = gBS->RaiseTPL (TPL_NOTIFY);
if (!IsListEmpty (&AtaDevice->AtaSubTaskList)) {
AtaTask = AllocateZeroPool (sizeof (ATA_BUS_ASYN_TASK));
if (AtaTask == NULL) {
@@ -788,7 +850,7 @@ AccessAtaDevice(
DEBUG ((EFI_D_BLKIO, "AccessAtaDevice, NumberOfBlocks=%x\n", NumberOfBlocks));
DEBUG ((EFI_D_BLKIO, "AccessAtaDevice, MaxTransferBlockNumber=%x\n", MaxTransferBlockNumber));
DEBUG ((EFI_D_BLKIO, "AccessAtaDevice, EventCount=%x\n", TempCount));
}else {
} else {
while (!IsListEmpty (&AtaDevice->AtaTaskList) || !IsListEmpty (&AtaDevice->AtaSubTaskList)) {
//
// Stall for 100us.