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path: root/MdeModulePkg/Bus/Pci/NonDiscoverablePciDeviceDxe/NonDiscoverablePciDeviceDxe.c
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Diffstat (limited to 'MdeModulePkg/Bus/Pci/NonDiscoverablePciDeviceDxe/NonDiscoverablePciDeviceDxe.c')
-rw-r--r--MdeModulePkg/Bus/Pci/NonDiscoverablePciDeviceDxe/NonDiscoverablePciDeviceDxe.c143
1 files changed, 88 insertions, 55 deletions
diff --git a/MdeModulePkg/Bus/Pci/NonDiscoverablePciDeviceDxe/NonDiscoverablePciDeviceDxe.c b/MdeModulePkg/Bus/Pci/NonDiscoverablePciDeviceDxe/NonDiscoverablePciDeviceDxe.c
index 5c93e2a766..96fc03979c 100644
--- a/MdeModulePkg/Bus/Pci/NonDiscoverablePciDeviceDxe/NonDiscoverablePciDeviceDxe.c
+++ b/MdeModulePkg/Bus/Pci/NonDiscoverablePciDeviceDxe/NonDiscoverablePciDeviceDxe.c
@@ -10,16 +10,16 @@
#include <Protocol/DriverBinding.h>
-#define MAX_NON_DISCOVERABLE_PCI_DEVICE_ID (32 * 256)
+#define MAX_NON_DISCOVERABLE_PCI_DEVICE_ID (32 * 256)
-STATIC UINTN mUniqueIdCounter = 0;
-EFI_CPU_ARCH_PROTOCOL *mCpu;
+STATIC UINTN mUniqueIdCounter = 0;
+EFI_CPU_ARCH_PROTOCOL *mCpu;
//
// We only support the following device types
//
STATIC
-CONST EFI_GUID * CONST
+CONST EFI_GUID *CONST
SupportedNonDiscoverableDevices[] = {
&gEdkiiNonDiscoverableAhciDeviceGuid,
&gEdkiiNonDiscoverableEhciDeviceGuid,
@@ -63,27 +63,31 @@ STATIC
EFI_STATUS
EFIAPI
NonDiscoverablePciDeviceSupported (
- IN EFI_DRIVER_BINDING_PROTOCOL *This,
- IN EFI_HANDLE DeviceHandle,
- IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath
+ IN EFI_DRIVER_BINDING_PROTOCOL *This,
+ IN EFI_HANDLE DeviceHandle,
+ IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath
)
{
- NON_DISCOVERABLE_DEVICE *Device;
- EFI_STATUS Status;
- EFI_ACPI_ADDRESS_SPACE_DESCRIPTOR *Desc;
- INTN Idx;
-
- Status = gBS->OpenProtocol (DeviceHandle,
- &gEdkiiNonDiscoverableDeviceProtocolGuid, (VOID **)&Device,
- This->DriverBindingHandle, DeviceHandle,
- EFI_OPEN_PROTOCOL_BY_DRIVER);
+ NON_DISCOVERABLE_DEVICE *Device;
+ EFI_STATUS Status;
+ EFI_ACPI_ADDRESS_SPACE_DESCRIPTOR *Desc;
+ INTN Idx;
+
+ Status = gBS->OpenProtocol (
+ DeviceHandle,
+ &gEdkiiNonDiscoverableDeviceProtocolGuid,
+ (VOID **)&Device,
+ This->DriverBindingHandle,
+ DeviceHandle,
+ EFI_OPEN_PROTOCOL_BY_DRIVER
+ );
if (EFI_ERROR (Status)) {
return Status;
}
Status = EFI_UNSUPPORTED;
for (Idx = 0; Idx < ARRAY_SIZE (SupportedNonDiscoverableDevices); Idx++) {
- if (CompareGuid (Device->Type, SupportedNonDiscoverableDevices [Idx])) {
+ if (CompareGuid (Device->Type, SupportedNonDiscoverableDevices[Idx])) {
Status = EFI_SUCCESS;
break;
}
@@ -98,17 +102,23 @@ NonDiscoverablePciDeviceSupported (
// that they only describe things that we can handle
//
for (Desc = Device->Resources; Desc->Desc != ACPI_END_TAG_DESCRIPTOR;
- Desc = (VOID *)((UINT8 *)Desc + Desc->Len + 3)) {
- if (Desc->Desc != ACPI_ADDRESS_SPACE_DESCRIPTOR ||
- Desc->ResType != ACPI_ADDRESS_SPACE_TYPE_MEM) {
+ Desc = (VOID *)((UINT8 *)Desc + Desc->Len + 3))
+ {
+ if ((Desc->Desc != ACPI_ADDRESS_SPACE_DESCRIPTOR) ||
+ (Desc->ResType != ACPI_ADDRESS_SPACE_TYPE_MEM))
+ {
Status = EFI_UNSUPPORTED;
break;
}
}
CloseProtocol:
- gBS->CloseProtocol (DeviceHandle, &gEdkiiNonDiscoverableDeviceProtocolGuid,
- This->DriverBindingHandle, DeviceHandle);
+ gBS->CloseProtocol (
+ DeviceHandle,
+ &gEdkiiNonDiscoverableDeviceProtocolGuid,
+ This->DriverBindingHandle,
+ DeviceHandle
+ );
return Status;
}
@@ -130,13 +140,13 @@ STATIC
EFI_STATUS
EFIAPI
NonDiscoverablePciDeviceStart (
- IN EFI_DRIVER_BINDING_PROTOCOL *This,
- IN EFI_HANDLE DeviceHandle,
- IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath
+ IN EFI_DRIVER_BINDING_PROTOCOL *This,
+ IN EFI_HANDLE DeviceHandle,
+ IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath
)
{
- NON_DISCOVERABLE_PCI_DEVICE *Dev;
- EFI_STATUS Status;
+ NON_DISCOVERABLE_PCI_DEVICE *Dev;
+ EFI_STATUS Status;
ASSERT (mUniqueIdCounter < MAX_NON_DISCOVERABLE_PCI_DEVICE_ID);
if (mUniqueIdCounter >= MAX_NON_DISCOVERABLE_PCI_DEVICE_ID) {
@@ -148,10 +158,14 @@ NonDiscoverablePciDeviceStart (
return EFI_OUT_OF_RESOURCES;
}
- Status = gBS->OpenProtocol (DeviceHandle,
+ Status = gBS->OpenProtocol (
+ DeviceHandle,
&gEdkiiNonDiscoverableDeviceProtocolGuid,
- (VOID **)&Dev->Device, This->DriverBindingHandle,
- DeviceHandle, EFI_OPEN_PROTOCOL_BY_DRIVER);
+ (VOID **)&Dev->Device,
+ This->DriverBindingHandle,
+ DeviceHandle,
+ EFI_OPEN_PROTOCOL_BY_DRIVER
+ );
if (EFI_ERROR (Status)) {
goto FreeDev;
}
@@ -163,8 +177,12 @@ NonDiscoverablePciDeviceStart (
// EFI_PCI_IO_PROTOCOL interface.
//
Dev->Signature = NON_DISCOVERABLE_PCI_DEVICE_SIG;
- Status = gBS->InstallProtocolInterface (&DeviceHandle, &gEfiPciIoProtocolGuid,
- EFI_NATIVE_INTERFACE, &Dev->PciIo);
+ Status = gBS->InstallProtocolInterface (
+ &DeviceHandle,
+ &gEfiPciIoProtocolGuid,
+ EFI_NATIVE_INTERFACE,
+ &Dev->PciIo
+ );
if (EFI_ERROR (Status)) {
goto CloseProtocol;
}
@@ -174,8 +192,12 @@ NonDiscoverablePciDeviceStart (
return EFI_SUCCESS;
CloseProtocol:
- gBS->CloseProtocol (DeviceHandle, &gEdkiiNonDiscoverableDeviceProtocolGuid,
- This->DriverBindingHandle, DeviceHandle);
+ gBS->CloseProtocol (
+ DeviceHandle,
+ &gEdkiiNonDiscoverableDeviceProtocolGuid,
+ This->DriverBindingHandle,
+ DeviceHandle
+ );
FreeDev:
FreePool (Dev);
@@ -199,19 +221,24 @@ STATIC
EFI_STATUS
EFIAPI
NonDiscoverablePciDeviceStop (
- IN EFI_DRIVER_BINDING_PROTOCOL *This,
- IN EFI_HANDLE DeviceHandle,
- IN UINTN NumberOfChildren,
- IN EFI_HANDLE *ChildHandleBuffer
+ IN EFI_DRIVER_BINDING_PROTOCOL *This,
+ IN EFI_HANDLE DeviceHandle,
+ IN UINTN NumberOfChildren,
+ IN EFI_HANDLE *ChildHandleBuffer
)
{
- EFI_STATUS Status;
- EFI_PCI_IO_PROTOCOL *PciIo;
- NON_DISCOVERABLE_PCI_DEVICE *Dev;
-
- Status = gBS->OpenProtocol (DeviceHandle, &gEfiPciIoProtocolGuid,
- (VOID **)&PciIo, This->DriverBindingHandle, DeviceHandle,
- EFI_OPEN_PROTOCOL_GET_PROTOCOL);
+ EFI_STATUS Status;
+ EFI_PCI_IO_PROTOCOL *PciIo;
+ NON_DISCOVERABLE_PCI_DEVICE *Dev;
+
+ Status = gBS->OpenProtocol (
+ DeviceHandle,
+ &gEfiPciIoProtocolGuid,
+ (VOID **)&PciIo,
+ This->DriverBindingHandle,
+ DeviceHandle,
+ EFI_OPEN_PROTOCOL_GET_PROTOCOL
+ );
if (EFI_ERROR (Status)) {
return Status;
}
@@ -221,27 +248,33 @@ NonDiscoverablePciDeviceStop (
//
// Handle Stop() requests for in-use driver instances gracefully.
//
- Status = gBS->UninstallProtocolInterface (DeviceHandle,
- &gEfiPciIoProtocolGuid, &Dev->PciIo);
+ Status = gBS->UninstallProtocolInterface (
+ DeviceHandle,
+ &gEfiPciIoProtocolGuid,
+ &Dev->PciIo
+ );
if (EFI_ERROR (Status)) {
return Status;
}
- gBS->CloseProtocol (DeviceHandle, &gEdkiiNonDiscoverableDeviceProtocolGuid,
- This->DriverBindingHandle, DeviceHandle);
+ gBS->CloseProtocol (
+ DeviceHandle,
+ &gEdkiiNonDiscoverableDeviceProtocolGuid,
+ This->DriverBindingHandle,
+ DeviceHandle
+ );
FreePool (Dev);
return EFI_SUCCESS;
}
-
//
// The static object that groups the Supported() (ie. probe), Start() and
// Stop() functions of the driver together. Refer to UEFI Spec 2.3.1 + Errata
// C, 10.1 EFI Driver Binding Protocol.
//
-STATIC EFI_DRIVER_BINDING_PROTOCOL gDriverBinding = {
+STATIC EFI_DRIVER_BINDING_PROTOCOL gDriverBinding = {
&NonDiscoverablePciDeviceSupported,
&NonDiscoverablePciDeviceStart,
&NonDiscoverablePciDeviceStop,
@@ -263,14 +296,14 @@ STATIC EFI_DRIVER_BINDING_PROTOCOL gDriverBinding = {
EFI_STATUS
EFIAPI
NonDiscoverablePciDeviceDxeEntryPoint (
- IN EFI_HANDLE ImageHandle,
- IN EFI_SYSTEM_TABLE *SystemTable
+ IN EFI_HANDLE ImageHandle,
+ IN EFI_SYSTEM_TABLE *SystemTable
)
{
- EFI_STATUS Status;
+ EFI_STATUS Status;
Status = gBS->LocateProtocol (&gEfiCpuArchProtocolGuid, NULL, (VOID **)&mCpu);
- ASSERT_EFI_ERROR(Status);
+ ASSERT_EFI_ERROR (Status);
return EfiLibInstallDriverBindingComponentName2 (
ImageHandle,
generated by cgit v1.2.3 (git 2.25.1) at 2024-08-17 14:24:51 +0000