diff options
Diffstat (limited to 'MdeModulePkg/Bus')
| -rw-r--r-- | MdeModulePkg/Bus/Pci/NonDiscoverablePciDeviceDxe/NonDiscoverablePciDeviceIo.c | 155 | ||||
| -rw-r--r-- | MdeModulePkg/Bus/Pci/NonDiscoverablePciDeviceDxe/NonDiscoverablePciDeviceIo.h | 3 |
2 files changed, 155 insertions, 3 deletions
diff --git a/MdeModulePkg/Bus/Pci/NonDiscoverablePciDeviceDxe/NonDiscoverablePciDeviceIo.c b/MdeModulePkg/Bus/Pci/NonDiscoverablePciDeviceDxe/NonDiscoverablePciDeviceIo.c index 2d55c96993..c3e83003a0 100644 --- a/MdeModulePkg/Bus/Pci/NonDiscoverablePciDeviceDxe/NonDiscoverablePciDeviceIo.c +++ b/MdeModulePkg/Bus/Pci/NonDiscoverablePciDeviceDxe/NonDiscoverablePciDeviceIo.c @@ -93,6 +93,31 @@ PciIoPollMem ( OUT UINT64 *Result
)
{
+ NON_DISCOVERABLE_PCI_DEVICE *Dev;
+ EFI_ACPI_ADDRESS_SPACE_DESCRIPTOR *Desc;
+ UINTN Count;
+ EFI_STATUS Status;
+
+ if ((UINT32)Width > EfiPciIoWidthUint64) {
+ return EFI_INVALID_PARAMETER;
+ }
+
+ if (Result == NULL) {
+ return EFI_INVALID_PARAMETER;
+ }
+
+ Dev = NON_DISCOVERABLE_PCI_DEVICE_FROM_PCI_IO(This);
+ Count = 1;
+
+ Status = GetBarResource (Dev, BarIndex, &Desc);
+ if (EFI_ERROR (Status)) {
+ return Status;
+ }
+
+ if (Offset + (Count << (Width & 0x3)) > Desc->AddrLen) {
+ return EFI_UNSUPPORTED;
+ }
+
ASSERT (FALSE);
return EFI_UNSUPPORTED;
}
@@ -126,6 +151,31 @@ PciIoPollIo ( OUT UINT64 *Result
)
{
+ NON_DISCOVERABLE_PCI_DEVICE *Dev;
+ EFI_ACPI_ADDRESS_SPACE_DESCRIPTOR *Desc;
+ UINTN Count;
+ EFI_STATUS Status;
+
+ if ((UINT32)Width > EfiPciIoWidthUint64) {
+ return EFI_INVALID_PARAMETER;
+ }
+
+ if (Result == NULL) {
+ return EFI_INVALID_PARAMETER;
+ }
+
+ Dev = NON_DISCOVERABLE_PCI_DEVICE_FROM_PCI_IO(This);
+ Count = 1;
+
+ Status = GetBarResource (Dev, BarIndex, &Desc);
+ if (EFI_ERROR (Status)) {
+ return Status;
+ }
+
+ if (Offset + (Count << (Width & 0x3)) > Desc->AddrLen) {
+ return EFI_UNSUPPORTED;
+ }
+
ASSERT (FALSE);
return EFI_UNSUPPORTED;
}
@@ -396,6 +446,29 @@ PciIoIoRead ( IN OUT VOID *Buffer
)
{
+ NON_DISCOVERABLE_PCI_DEVICE *Dev;
+ EFI_ACPI_ADDRESS_SPACE_DESCRIPTOR *Desc;
+ EFI_STATUS Status;
+
+ if ((UINT32)Width >= EfiPciIoWidthMaximum) {
+ return EFI_INVALID_PARAMETER;
+ }
+
+ if (Buffer == NULL) {
+ return EFI_INVALID_PARAMETER;
+ }
+
+ Dev = NON_DISCOVERABLE_PCI_DEVICE_FROM_PCI_IO(This);
+
+ Status = GetBarResource (Dev, BarIndex, &Desc);
+ if (EFI_ERROR (Status)) {
+ return Status;
+ }
+
+ if (Offset + (Count << (Width & 0x3)) > Desc->AddrLen) {
+ return EFI_UNSUPPORTED;
+ }
+
ASSERT (FALSE);
return EFI_UNSUPPORTED;
}
@@ -425,6 +498,29 @@ PciIoIoWrite ( IN OUT VOID *Buffer
)
{
+ NON_DISCOVERABLE_PCI_DEVICE *Dev;
+ EFI_ACPI_ADDRESS_SPACE_DESCRIPTOR *Desc;
+ EFI_STATUS Status;
+
+ if ((UINT32)Width >= EfiPciIoWidthMaximum) {
+ return EFI_INVALID_PARAMETER;
+ }
+
+ if (Buffer == NULL) {
+ return EFI_INVALID_PARAMETER;
+ }
+
+ Dev = NON_DISCOVERABLE_PCI_DEVICE_FROM_PCI_IO(This);
+
+ Status = GetBarResource (Dev, BarIndex, &Desc);
+ if (EFI_ERROR (Status)) {
+ return Status;
+ }
+
+ if (Offset + (Count << (Width & 0x3)) > Desc->AddrLen) {
+ return EFI_UNSUPPORTED;
+ }
+
ASSERT (FALSE);
return EFI_UNSUPPORTED;
}
@@ -556,6 +652,35 @@ PciIoCopyMem ( IN UINTN Count
)
{
+ NON_DISCOVERABLE_PCI_DEVICE *Dev;
+ EFI_ACPI_ADDRESS_SPACE_DESCRIPTOR *DestDesc;
+ EFI_ACPI_ADDRESS_SPACE_DESCRIPTOR *SrcDesc;
+ EFI_STATUS Status;
+
+ if ((UINT32)Width > EfiPciIoWidthUint64) {
+ return EFI_INVALID_PARAMETER;
+ }
+
+ Dev = NON_DISCOVERABLE_PCI_DEVICE_FROM_PCI_IO(This);
+
+ Status = GetBarResource (Dev, DestBarIndex, &DestDesc);
+ if (EFI_ERROR (Status)) {
+ return Status;
+ }
+
+ if (DestOffset + (Count << (Width & 0x3)) > DestDesc->AddrLen) {
+ return EFI_UNSUPPORTED;
+ }
+
+ Status = GetBarResource (Dev, SrcBarIndex, &SrcDesc);
+ if (EFI_ERROR (Status)) {
+ return Status;
+ }
+
+ if (SrcOffset + (Count << (Width & 0x3)) > SrcDesc->AddrLen) {
+ return EFI_UNSUPPORTED;
+ }
+
ASSERT (FALSE);
return EFI_UNSUPPORTED;
}
@@ -1265,9 +1390,6 @@ PciIoAttributes ( NON_DISCOVERABLE_PCI_DEVICE *Dev;
BOOLEAN Enable;
- #define DEV_SUPPORTED_ATTRIBUTES \
- (EFI_PCI_DEVICE_ENABLE | EFI_PCI_IO_ATTRIBUTE_DUAL_ADDRESS_CYCLE)
-
Dev = NON_DISCOVERABLE_PCI_DEVICE_FROM_PCI_IO(This);
if ((Attributes & (~(DEV_SUPPORTED_ATTRIBUTES))) != 0) {
@@ -1414,6 +1536,33 @@ PciIoSetBarAttributes ( IN OUT UINT64 *Length
)
{
+ NON_DISCOVERABLE_PCI_DEVICE *Dev;
+ EFI_ACPI_ADDRESS_SPACE_DESCRIPTOR *Desc;
+ EFI_PCI_IO_PROTOCOL_WIDTH Width;
+ UINTN Count;
+ EFI_STATUS Status;
+
+ if ((Attributes & (~DEV_SUPPORTED_ATTRIBUTES)) != 0) {
+ return EFI_UNSUPPORTED;
+ }
+
+ if (Offset == NULL || Length == NULL) {
+ return EFI_INVALID_PARAMETER;
+ }
+
+ Dev = NON_DISCOVERABLE_PCI_DEVICE_FROM_PCI_IO(This);
+ Width = EfiPciIoWidthUint8;
+ Count = (UINT32) *Length;
+
+ Status = GetBarResource(Dev, BarIndex, &Desc);
+ if (EFI_ERROR (Status)) {
+ return Status;
+ }
+
+ if (*Offset + (Count << (Width & 0x3)) > Desc->AddrLen) {
+ return EFI_UNSUPPORTED;
+ }
+
ASSERT (FALSE);
return EFI_UNSUPPORTED;
}
diff --git a/MdeModulePkg/Bus/Pci/NonDiscoverablePciDeviceDxe/NonDiscoverablePciDeviceIo.h b/MdeModulePkg/Bus/Pci/NonDiscoverablePciDeviceDxe/NonDiscoverablePciDeviceIo.h index 6511fbb137..15541c2811 100644 --- a/MdeModulePkg/Bus/Pci/NonDiscoverablePciDeviceDxe/NonDiscoverablePciDeviceIo.h +++ b/MdeModulePkg/Bus/Pci/NonDiscoverablePciDeviceDxe/NonDiscoverablePciDeviceIo.h @@ -30,6 +30,9 @@ CR (PciIoPointer, NON_DISCOVERABLE_PCI_DEVICE, PciIo, \
NON_DISCOVERABLE_PCI_DEVICE_SIG)
+#define DEV_SUPPORTED_ATTRIBUTES \
+ (EFI_PCI_DEVICE_ENABLE | EFI_PCI_IO_ATTRIBUTE_DUAL_ADDRESS_CYCLE)
+
#define PCI_ID_VENDOR_UNKNOWN 0xffff
#define PCI_ID_DEVICE_DONTCARE 0x0000
|