/**
BlockIo installation notification function. Find out all the current BlockIO
PPIs in the system and add them into private data. Assume there is
@param PeiServices General purpose services available to every
PEIM.
@param NotifyDescriptor The typedef structure of the notification
descriptor. Not used in this function.
@param Ppi The typedef structure of the PPI descriptor.
Not used in this function.
@retval EFI_SUCCESS The function completed successfully.
**/
EFI_STATUS
EFIAPI
BlockIoNotifyEntry (
IN EFI_PEI_SERVICES **PeiServices,
IN EFI_PEI_NOTIFY_DESCRIPTOR *NotifyDescriptor,
IN VOID *Ppi
)
{
if (CompareGuid (NotifyDescriptor->Guid, &gEfiPeiVirtualBlockIo2PpiGuid)) {
UpdateBlocksAndVolumes (mPrivateData, TRUE);
} else {
UpdateBlocksAndVolumes (mPrivateData, FALSE);
}
return EFI_SUCCESS;
}
/**
Returns the number of DXE capsules residing on the device.
This function searches for DXE capsules from the associated device and returns
the number and maximum size in bytes of the capsules discovered. Entry 1 is
assumed to be the highest load priority and entry N is assumed to be the lowest
priority.
@param[in] PeiServices General-purpose services that are available
to every PEIM
@param[in] This Indicates the EFI_PEI_DEVICE_RECOVERY_MODULE_PPI
instance.
@param[out] NumberRecoveryCapsules Pointer to a caller-allocated UINTN. On
output, *NumberRecoveryCapsules contains
the number of recovery capsule images
available for retrieval from this PEIM
instance.
@retval EFI_SUCCESS One or more capsules were discovered.
@retval EFI_DEVICE_ERROR A device error occurred.
@retval EFI_NOT_FOUND A recovery DXE capsule cannot be found.
**/
EFI_STATUS
EFIAPI
GetNumberRecoveryCapsules (
IN EFI_PEI_SERVICES **PeiServices,
IN EFI_PEI_DEVICE_RECOVERY_MODULE_PPI *This,
OUT UINTN *NumberRecoveryCapsules
)
{
PEI_CD_EXPRESS_PRIVATE_DATA *PrivateData;
PrivateData = PEI_CD_EXPRESS_PRIVATE_DATA_FROM_THIS (This);
UpdateBlocksAndVolumes (PrivateData, TRUE);
UpdateBlocksAndVolumes (PrivateData, FALSE);
*NumberRecoveryCapsules = PrivateData->CapsuleCount;
if (*NumberRecoveryCapsules == 0) {
return EFI_NOT_FOUND;
}
return EFI_SUCCESS;
}
/**
Installs the Device Recovery Module PPI, Initialize BlockIo Ppi
installation notification
@param FileHandle The file handle of the image.
@param PeiServices General purpose services available to every PEIM.
@retval EFI_SUCCESS The function completed successfully.
@retval EFI_OUT_OF_RESOURCES There is not enough system memory.
**/
EFI_STATUS
EFIAPI
CdExpressPeimEntry (
IN EFI_PEI_FILE_HANDLE FileHandle,
IN CONST EFI_PEI_SERVICES **PeiServices
)
{
EFI_STATUS Status;
PEI_CD_EXPRESS_PRIVATE_DATA *PrivateData;
if (!EFI_ERROR (PeiServicesRegisterForShadow (FileHandle))) {
return EFI_SUCCESS;
}
PrivateData = AllocatePages (EFI_SIZE_TO_PAGES (sizeof (*PrivateData)));
if (PrivateData == NULL) {
return EFI_OUT_OF_RESOURCES;
}
//
// Initialize Private Data (to zero, as is required by subsequent operations)
//
ZeroMem (PrivateData, sizeof (*PrivateData));
PrivateData->Signature = PEI_CD_EXPRESS_PRIVATE_DATA_SIGNATURE;
PrivateData->BlockBuffer = AllocatePages (EFI_SIZE_TO_PAGES (PEI_CD_BLOCK_SIZE));
if (PrivateData->BlockBuffer == NULL) {
return EFI_OUT_OF_RESOURCES;
}
PrivateData->CapsuleCount = 0;
Status = UpdateBlocksAndVolumes (PrivateData, TRUE);
Status = UpdateBlocksAndVolumes (PrivateData, FALSE);
//
// Installs Ppi
//
PrivateData->DeviceRecoveryPpi.GetNumberRecoveryCapsules = GetNumberRecoveryCapsules;
PrivateData->DeviceRecoveryPpi.GetRecoveryCapsuleInfo = GetRecoveryCapsuleInfo;
PrivateData->DeviceRecoveryPpi.LoadRecoveryCapsule = LoadRecoveryCapsule;
PrivateData->PpiDescriptor.Flags = (EFI_PEI_PPI_DESCRIPTOR_PPI | EFI_PEI_PPI_DESCRIPTOR_TERMINATE_LIST);
PrivateData->PpiDescriptor.Guid = &gEfiPeiDeviceRecoveryModulePpiGuid;
PrivateData->PpiDescriptor.Ppi = &PrivateData->DeviceRecoveryPpi;
Status = PeiServicesInstallPpi (&PrivateData->PpiDescriptor);
if (EFI_ERROR (Status)) {
return EFI_OUT_OF_RESOURCES;
}
//
// PrivateData is allocated now, set it to the module variable
//
mPrivateData = PrivateData;
//
// Installs Block Io Ppi notification function
//
PrivateData->NotifyDescriptor.Flags =
(
EFI_PEI_PPI_DESCRIPTOR_NOTIFY_CALLBACK
);
PrivateData->NotifyDescriptor.Guid = &gEfiPeiVirtualBlockIoPpiGuid;
PrivateData->NotifyDescriptor.Notify = BlockIoNotifyEntry;
PrivateData->NotifyDescriptor2.Flags =
(
EFI_PEI_PPI_DESCRIPTOR_NOTIFY_CALLBACK |
EFI_PEI_PPI_DESCRIPTOR_TERMINATE_LIST
);
PrivateData->NotifyDescriptor2.Guid = &gEfiPeiVirtualBlockIo2PpiGuid;
PrivateData->NotifyDescriptor2.Notify = BlockIoNotifyEntry;
return PeiServicesNotifyPpi (&PrivateData->NotifyDescriptor);
}
/**
Installs the Device Recovery Module PPI, Initialize BlockIo Ppi
installation notification
@param FileHandle Handle of the file being invoked. Type
EFI_PEI_FILE_HANDLE is defined in
FfsFindNextFile().
@param PeiServices Describes the list of possible PEI Services.
@retval EFI_SUCCESS The entry point was executed successfully.
@retval EFI_OUT_OF_RESOURCES There is no enough memory to complete the
operations.
**/
EFI_STATUS
EFIAPI
FatPeimEntry (
IN EFI_PEI_FILE_HANDLE FileHandle,
IN CONST EFI_PEI_SERVICES **PeiServices
)
{
EFI_STATUS Status;
EFI_PHYSICAL_ADDRESS Address;
PEI_FAT_PRIVATE_DATA *PrivateData;
Status = PeiServicesRegisterForShadow (FileHandle);
if (!EFI_ERROR (Status)) {
return Status;
}
Status = PeiServicesAllocatePages (
EfiBootServicesCode,
(sizeof (PEI_FAT_PRIVATE_DATA) - 1) / PEI_FAT_MEMMORY_PAGE_SIZE + 1,
&Address
);
if (EFI_ERROR (Status)) {
return EFI_OUT_OF_RESOURCES;
}
PrivateData = (PEI_FAT_PRIVATE_DATA *) (UINTN) Address;
//
// Initialize Private Data (to zero, as is required by subsequent operations)
//
ZeroMem ((UINT8 *) PrivateData, sizeof (PEI_FAT_PRIVATE_DATA));
PrivateData->Signature = PEI_FAT_PRIVATE_DATA_SIGNATURE;
//
// Installs Ppi
//
PrivateData->DeviceRecoveryPpi.GetNumberRecoveryCapsules = GetNumberRecoveryCapsules;
PrivateData->DeviceRecoveryPpi.GetRecoveryCapsuleInfo = GetRecoveryCapsuleInfo;
PrivateData->DeviceRecoveryPpi.LoadRecoveryCapsule = LoadRecoveryCapsule;
PrivateData->PpiDescriptor.Flags = (EFI_PEI_PPI_DESCRIPTOR_PPI | EFI_PEI_PPI_DESCRIPTOR_TERMINATE_LIST);
PrivateData->PpiDescriptor.Guid = &gEfiPeiDeviceRecoveryModulePpiGuid;
PrivateData->PpiDescriptor.Ppi = &PrivateData->DeviceRecoveryPpi;
Status = PeiServicesInstallPpi (&PrivateData->PpiDescriptor);
if (EFI_ERROR (Status)) {
return EFI_OUT_OF_RESOURCES;
}
//
// Other initializations
//
PrivateData->BlockDeviceCount = 0;
UpdateBlocksAndVolumes (PrivateData, TRUE);
UpdateBlocksAndVolumes (PrivateData, FALSE);
//
// PrivateData is allocated now, set it to the module variable
//
mPrivateData = PrivateData;
//
// Installs Block Io Ppi notification function
//
PrivateData->NotifyDescriptor[0].Flags =
(
EFI_PEI_PPI_DESCRIPTOR_NOTIFY_CALLBACK
);
PrivateData->NotifyDescriptor[0].Guid = &gEfiPeiVirtualBlockIoPpiGuid;
PrivateData->NotifyDescriptor[0].Notify = BlockIoNotifyEntry;
PrivateData->NotifyDescriptor[1].Flags =
(
EFI_PEI_PPI_DESCRIPTOR_NOTIFY_CALLBACK |
EFI_PEI_PPI_DESCRIPTOR_TERMINATE_LIST
);
PrivateData->NotifyDescriptor[1].Guid = &gEfiPeiVirtualBlockIo2PpiGuid;
PrivateData->NotifyDescriptor[1].Notify = BlockIoNotifyEntry;
return PeiServicesNotifyPpi (&PrivateData->NotifyDescriptor[0]);
}
