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Diffstat (limited to 'OvmfPkg/SioBusDxe/SioBusDxe.c')
-rw-r--r--OvmfPkg/SioBusDxe/SioBusDxe.c129
1 files changed, 66 insertions, 63 deletions
diff --git a/OvmfPkg/SioBusDxe/SioBusDxe.c b/OvmfPkg/SioBusDxe/SioBusDxe.c
index 43a1701afa..bb2c5bf80b 100644
--- a/OvmfPkg/SioBusDxe/SioBusDxe.c
+++ b/OvmfPkg/SioBusDxe/SioBusDxe.c
@@ -13,7 +13,7 @@
//
// SioBus Driver Binding Protocol
//
-EFI_DRIVER_BINDING_PROTOCOL gSioBusDriverBinding = {
+EFI_DRIVER_BINDING_PROTOCOL gSioBusDriverBinding = {
SioBusDriverBindingSupported,
SioBusDriverBindingStart,
SioBusDriverBindingStop,
@@ -22,7 +22,6 @@ EFI_DRIVER_BINDING_PROTOCOL gSioBusDriverBinding = {
NULL
};
-
/**
Tests to see if this driver supports a given controller. If a child device is
provided, it further tests to see if this driver supports creating a handle
@@ -79,18 +78,18 @@ EFI_DRIVER_BINDING_PROTOCOL gSioBusDriverBinding = {
EFI_STATUS
EFIAPI
SioBusDriverBindingSupported (
- IN EFI_DRIVER_BINDING_PROTOCOL *This,
- IN EFI_HANDLE Controller,
- IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath
+ IN EFI_DRIVER_BINDING_PROTOCOL *This,
+ IN EFI_HANDLE Controller,
+ IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath
)
{
- EFI_STATUS Status;
- EFI_PCI_IO_PROTOCOL *PciIo;
- PCI_TYPE00 Pci;
- UINTN SegmentNumber;
- UINTN BusNumber;
- UINTN DeviceNumber;
- UINTN FunctionNumber;
+ EFI_STATUS Status;
+ EFI_PCI_IO_PROTOCOL *PciIo;
+ PCI_TYPE00 Pci;
+ UINTN SegmentNumber;
+ UINTN BusNumber;
+ UINTN DeviceNumber;
+ UINTN FunctionNumber;
//
// Get PciIo protocol instance
@@ -98,21 +97,22 @@ SioBusDriverBindingSupported (
Status = gBS->OpenProtocol (
Controller,
&gEfiPciIoProtocolGuid,
- (VOID**)&PciIo,
+ (VOID **)&PciIo,
This->DriverBindingHandle,
Controller,
EFI_OPEN_PROTOCOL_BY_DRIVER
);
- if (EFI_ERROR(Status)) {
+ if (EFI_ERROR (Status)) {
return Status;
}
Status = PciIo->Pci.Read (
- PciIo,
- EfiPciIoWidthUint32,
- 0,
- sizeof(Pci) / sizeof(UINT32),
- &Pci);
+ PciIo,
+ EfiPciIoWidthUint32,
+ 0,
+ sizeof (Pci) / sizeof (UINT32),
+ &Pci
+ );
if (!EFI_ERROR (Status)) {
Status = EFI_UNSUPPORTED;
@@ -129,8 +129,9 @@ SioBusDriverBindingSupported (
//
// See if this is an Intel PCI to ISA bridge in Positive Decode Mode
//
- if (Pci.Hdr.ClassCode[1] == PCI_CLASS_BRIDGE_ISA_PDECODE &&
- Pci.Hdr.VendorId == 0x8086) {
+ if ((Pci.Hdr.ClassCode[1] == PCI_CLASS_BRIDGE_ISA_PDECODE) &&
+ (Pci.Hdr.VendorId == 0x8086))
+ {
//
// See if this is on Function #0 to avoid false positives on
// PCI_CLASS_BRIDGE_OTHER that has the same value as
@@ -143,7 +144,7 @@ SioBusDriverBindingSupported (
&DeviceNumber,
&FunctionNumber
);
- if (!EFI_ERROR (Status) && FunctionNumber == 0) {
+ if (!EFI_ERROR (Status) && (FunctionNumber == 0)) {
Status = EFI_SUCCESS;
} else {
Status = EFI_UNSUPPORTED;
@@ -212,20 +213,20 @@ SioBusDriverBindingSupported (
EFI_STATUS
EFIAPI
SioBusDriverBindingStart (
- IN EFI_DRIVER_BINDING_PROTOCOL *This,
- IN EFI_HANDLE Controller,
- IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath
+ IN EFI_DRIVER_BINDING_PROTOCOL *This,
+ IN EFI_HANDLE Controller,
+ IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath
)
{
- EFI_STATUS Status;
- EFI_PCI_IO_PROTOCOL *PciIo;
- EFI_DEVICE_PATH_PROTOCOL *ParentDevicePath;
- UINT64 Supports;
- UINT64 OriginalAttributes;
- UINT64 Attributes;
- BOOLEAN Enabled;
- SIO_BUS_DRIVER_PRIVATE_DATA *Private;
- UINT32 ChildDeviceNumber;
+ EFI_STATUS Status;
+ EFI_PCI_IO_PROTOCOL *PciIo;
+ EFI_DEVICE_PATH_PROTOCOL *ParentDevicePath;
+ UINT64 Supports;
+ UINT64 OriginalAttributes;
+ UINT64 Attributes;
+ BOOLEAN Enabled;
+ SIO_BUS_DRIVER_PRIVATE_DATA *Private;
+ UINT32 ChildDeviceNumber;
Enabled = FALSE;
Supports = 0;
@@ -235,11 +236,11 @@ SioBusDriverBindingStart (
//
// Open the PCI I/O Protocol Interface
//
- PciIo = NULL;
+ PciIo = NULL;
Status = gBS->OpenProtocol (
Controller,
&gEfiPciIoProtocolGuid,
- (VOID**) &PciIo,
+ (VOID **)&PciIo,
This->DriverBindingHandle,
Controller,
EFI_OPEN_PROTOCOL_BY_DRIVER
@@ -254,7 +255,7 @@ SioBusDriverBindingStart (
Status = gBS->OpenProtocol (
Controller,
&gEfiDevicePathProtocolGuid,
- (VOID **) &ParentDevicePath,
+ (VOID **)&ParentDevicePath,
This->DriverBindingHandle,
Controller,
EFI_OPEN_PROTOCOL_BY_DRIVER
@@ -282,11 +283,12 @@ SioBusDriverBindingStart (
goto Done;
}
- Supports &= (UINT64) (EFI_PCI_IO_ATTRIBUTE_ISA_IO |
- EFI_PCI_IO_ATTRIBUTE_ISA_IO_16);
- if (Supports == 0 ||
- Supports == (EFI_PCI_IO_ATTRIBUTE_ISA_IO |
- EFI_PCI_IO_ATTRIBUTE_ISA_IO_16)) {
+ Supports &= (UINT64)(EFI_PCI_IO_ATTRIBUTE_ISA_IO |
+ EFI_PCI_IO_ATTRIBUTE_ISA_IO_16);
+ if ((Supports == 0) ||
+ (Supports == (EFI_PCI_IO_ATTRIBUTE_ISA_IO |
+ EFI_PCI_IO_ATTRIBUTE_ISA_IO_16)))
+ {
Status = EFI_UNSUPPORTED;
goto Done;
}
@@ -324,6 +326,7 @@ SioBusDriverBindingStart (
Status = EFI_OUT_OF_RESOURCES;
goto Done;
}
+
Private->PciIo = PciIo;
Private->OriginalAttributes = OriginalAttributes;
@@ -370,7 +373,7 @@ SioBusDriverBindingStart (
Done:
if (EFI_ERROR (Status)) {
- if (PciIo != NULL && Enabled) {
+ if ((PciIo != NULL) && Enabled) {
PciIo->Attributes (
PciIo,
EfiPciIoAttributeOperationSet,
@@ -445,19 +448,19 @@ Done:
EFI_STATUS
EFIAPI
SioBusDriverBindingStop (
- IN EFI_DRIVER_BINDING_PROTOCOL *This,
- IN EFI_HANDLE Controller,
- IN UINTN NumberOfChildren,
- IN EFI_HANDLE *ChildHandleBuffer
+ IN EFI_DRIVER_BINDING_PROTOCOL *This,
+ IN EFI_HANDLE Controller,
+ IN UINTN NumberOfChildren,
+ IN EFI_HANDLE *ChildHandleBuffer
)
{
- EFI_STATUS Status;
- SIO_BUS_DRIVER_PRIVATE_DATA *Private;
- UINTN Index;
- BOOLEAN AllChildrenStopped;
- EFI_SIO_PROTOCOL *Sio;
- SIO_DEV *SioDevice;
- EFI_PCI_IO_PROTOCOL *PciIo;
+ EFI_STATUS Status;
+ SIO_BUS_DRIVER_PRIVATE_DATA *Private;
+ UINTN Index;
+ BOOLEAN AllChildrenStopped;
+ EFI_SIO_PROTOCOL *Sio;
+ SIO_DEV *SioDevice;
+ EFI_PCI_IO_PROTOCOL *PciIo;
if (NumberOfChildren == 0) {
//
@@ -466,7 +469,7 @@ SioBusDriverBindingStop (
Status = gBS->OpenProtocol (
Controller,
&gEfiCallerIdGuid,
- (VOID **) &Private,
+ (VOID **)&Private,
This->DriverBindingHandle,
Controller,
EFI_OPEN_PROTOCOL_GET_PROTOCOL
@@ -486,10 +489,10 @@ SioBusDriverBindingStop (
}
gBS->UninstallProtocolInterface (
- Controller,
- &gEfiCallerIdGuid,
- Private
- );
+ Controller,
+ &gEfiCallerIdGuid,
+ Private
+ );
FreePool (Private);
//
@@ -527,7 +530,7 @@ SioBusDriverBindingStop (
Status = gBS->OpenProtocol (
ChildHandleBuffer[Index],
&gEfiSioProtocolGuid,
- (VOID **) &Sio,
+ (VOID **)&Sio,
This->DriverBindingHandle,
Controller,
EFI_OPEN_PROTOCOL_GET_PROTOCOL
@@ -564,7 +567,7 @@ SioBusDriverBindingStop (
gBS->OpenProtocol (
Controller,
&gEfiPciIoProtocolGuid,
- (VOID **) &PciIo,
+ (VOID **)&PciIo,
This->DriverBindingHandle,
ChildHandleBuffer[Index],
EFI_OPEN_PROTOCOL_BY_CHILD_CONTROLLER
@@ -597,8 +600,8 @@ SioBusDriverBindingStop (
EFI_STATUS
EFIAPI
SioBusDxeDriverEntryPoint (
- IN EFI_HANDLE ImageHandle,
- IN EFI_SYSTEM_TABLE *SystemTable
+ IN EFI_HANDLE ImageHandle,
+ IN EFI_SYSTEM_TABLE *SystemTable
)
{
//
generated by cgit v1.2.3 (git 2.25.1) at 2024-09-15 18:55:22 +0000