diff options
Diffstat (limited to 'EdkCompatibilityPkg/Foundation/Framework/Protocol/LegacyInterrupt/LegacyInterrupt.h')
-rw-r--r-- | EdkCompatibilityPkg/Foundation/Framework/Protocol/LegacyInterrupt/LegacyInterrupt.h | 136 |
1 files changed, 136 insertions, 0 deletions
diff --git a/EdkCompatibilityPkg/Foundation/Framework/Protocol/LegacyInterrupt/LegacyInterrupt.h b/EdkCompatibilityPkg/Foundation/Framework/Protocol/LegacyInterrupt/LegacyInterrupt.h new file mode 100644 index 0000000000..ecbe06af59 --- /dev/null +++ b/EdkCompatibilityPkg/Foundation/Framework/Protocol/LegacyInterrupt/LegacyInterrupt.h @@ -0,0 +1,136 @@ +/*++
+
+Copyright (c) 1999 - 2006, Intel Corporation
+All rights reserved. This program and the accompanying materials
+are licensed and made available under the terms and conditions of the BSD License
+which accompanies this distribution. The full text of the license may be found at
+http://opensource.org/licenses/bsd-license.php
+
+THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+
+
+Module Name:
+
+ LegacyInterrupt.h
+
+Abstract:
+
+ This protocol manages the PIRQ for PCI devices
+
+Revision History
+
+ The EFI Legacy Interrupt Protocol is compliant with CSM spec 0.96.
+
+--*/
+
+#ifndef _EFI_LEGACY_INTERRUPT_H_
+#define _EFI_LEGACY_INTERRUPT_H_
+
+#define EFI_LEGACY_INTERRUPT_PROTOCOL_GUID \
+ { \
+ 0x31ce593d, 0x108a, 0x485d, 0xad, 0xb2, 0x78, 0xf2, 0x1f, 0x29, 0x66, 0xbe \
+ }
+
+EFI_FORWARD_DECLARATION (EFI_LEGACY_INTERRUPT_PROTOCOL);
+
+typedef
+EFI_STATUS
+(EFIAPI *EFI_LEGACY_INTERRUPT_GET_NUMBER_PIRQS) (
+ IN EFI_LEGACY_INTERRUPT_PROTOCOL * This,
+ OUT UINT8 *NumberPirqs
+ );
+
+/*++
+
+ Routine Description:
+ Return the number of PIRQs this hardware supports.
+
+ Arguments:
+ This - Protocol instance pointer.
+ NumberPirsq - Number of PIRQs.
+
+ Returns:
+ EFI_SUCCESS - Number of PIRQs returned.
+
+--*/
+typedef
+EFI_STATUS
+(EFIAPI *EFI_LEGACY_INTERRUPT_GET_LOCATION) (
+ IN EFI_LEGACY_INTERRUPT_PROTOCOL * This,
+ OUT UINT8 *Bus,
+ OUT UINT8 *Device,
+ OUT UINT8 *Function
+ );
+
+/*++
+
+ Routine Description:
+ Return PCI location of this device. $PIR table requires this info.
+
+ Arguments:
+ This - Protocol instance pointer.
+ Bus - PCI Bus
+ Device - PCI Device
+ Function - PCI Function
+
+ Returns:
+ EFI_SUCCESS - Bus/Device/Function returned
+
+--*/
+typedef
+EFI_STATUS
+(EFIAPI *EFI_LEGACY_INTERRUPT_READ_PIRQ) (
+ IN EFI_LEGACY_INTERRUPT_PROTOCOL * This,
+ IN UINT8 PirqNumber,
+ OUT UINT8 *PirqData
+ );
+
+/*++
+
+ Routine Description:
+ Read the PIRQ register and return the data
+
+ Arguments:
+ This - Protocol instance pointer.
+ PirqNumber - PIRQ register to read
+ PirqData - Data read
+
+ Returns:
+ EFI_SUCCESS - Data was read
+ EFI_INVALID_PARAMETER - Invalid PIRQ number
+
+--*/
+typedef
+EFI_STATUS
+(EFIAPI *EFI_LEGACY_INTERRUPT_WRITE_PIRQ) (
+ IN EFI_LEGACY_INTERRUPT_PROTOCOL * This,
+ IN UINT8 PirqNumber,
+ IN UINT8 PirqData
+ );
+
+/*++
+
+ Routine Description:
+ Write the specified PIRQ register with the given data.
+
+ Arguments:
+ This - Protocol instance pointer.
+ PirqNumber - PIRQ register to read.
+ PirqData - Data written.
+
+ Returns:
+ EFI_SUCCESS - Table pointer returned
+ EFI_INVALID_PARAMETER - Invalid PIRQ number
+
+--*/
+typedef struct _EFI_LEGACY_INTERRUPT_PROTOCOL {
+ EFI_LEGACY_INTERRUPT_GET_NUMBER_PIRQS GetNumberPirqs;
+ EFI_LEGACY_INTERRUPT_GET_LOCATION GetLocation;
+ EFI_LEGACY_INTERRUPT_READ_PIRQ ReadPirq;
+ EFI_LEGACY_INTERRUPT_WRITE_PIRQ WritePirq;
+} EFI_LEGACY_INTERRUPT_PROTOCOL;
+
+extern EFI_GUID gEfiLegacyInterruptProtocolGuid;
+
+#endif
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