diff options
| author |   Angelos Mouzakitis <a.mouzakitis@virtualopensystems.com> | 2023-10-10 14:33:42 +0000 |
|---|---|---|
| committer | Angelos Mouzakitis <a.mouzakitis@virtualopensystems.com> | 2023-10-10 14:33:42 +0000 |
| commit | af1a266670d040d2f4083ff309d732d648afba2a (patch) | |
| tree | 2fc46203448ddcc6f81546d379abfaeb323575e9 /roms/edk2/NetworkPkg/Include/Protocol | |
| parent | e02cda008591317b1625707ff8e115a4841aa889 (diff) | |
Change-Id: Iaf8d18082d3991dec7c0ebbea540f092188eb4ec
Diffstat (limited to 'roms/edk2/NetworkPkg/Include/Protocol')
| -rw-r--r-- | roms/edk2/NetworkPkg/Include/Protocol/Dpc.h | 98 |
1 files changed, 98 insertions, 0 deletions
diff --git a/roms/edk2/NetworkPkg/Include/Protocol/Dpc.h b/roms/edk2/NetworkPkg/Include/Protocol/Dpc.h new file mode 100644 index 000000000..5e50f6cf3 --- /dev/null +++ b/roms/edk2/NetworkPkg/Include/Protocol/Dpc.h @@ -0,0 +1,98 @@ +/** @file
+
+ EFI Deferred Procedure Call Protocol.
+
+Copyright (c) 2007 - 2018, Intel Corporation. All rights reserved.<BR>
+SPDX-License-Identifier: BSD-2-Clause-Patent
+
+**/
+
+
+#ifndef __DPC_H__
+#define __DPC_H__
+
+//
+// DPC Protocol GUID value
+//
+#define EFI_DPC_PROTOCOL_GUID \
+ { \
+ 0x480f8ae9, 0xc46, 0x4aa9, { 0xbc, 0x89, 0xdb, 0x9f, 0xba, 0x61, 0x98, 0x6 } \
+ }
+
+//
+// Forward reference for pure ANSI compatibility
+//
+typedef struct _EFI_DPC_PROTOCOL EFI_DPC_PROTOCOL;
+
+
+/**
+ Invoke a Deferred Procedure Call.
+
+ @param DpcContext The pointer to the Deferred Procedure Call's context,
+ which is implementation dependent.
+
+**/
+typedef
+VOID
+(EFIAPI *EFI_DPC_PROCEDURE)(
+ IN VOID *DpcContext
+ );
+
+/**
+ Add a Deferred Procedure Call to the end of the DPC queue.
+
+ @param This The protocol instance pointer.
+ @param DpcTpl The EFI_TPL that the DPC should invoke.
+ @param DpcProcedure The pointer to the DPC's function.
+ @param DpcContext The pointer to the DPC's context. Passed to DpcProcedure
+ when DpcProcedure is invoked.
+
+ @retval EFI_SUCCESS The DPC was queued.
+ @retval EFI_INVALID_PARAMETER DpcTpl is not a valid EFI_TPL.
+ @retval EFI_INVALID_PARAMETER DpcProcedure is NULL.
+ @retval EFI_OUT_OF_RESOURCES There are not enough resources available to
+ add the DPC to the queue.
+
+**/
+typedef
+EFI_STATUS
+(EFIAPI *EFI_DPC_QUEUE_DPC)(
+ IN EFI_DPC_PROTOCOL *This,
+ IN EFI_TPL DpcTpl,
+ IN EFI_DPC_PROCEDURE DpcProcedure,
+ IN VOID *DpcContext OPTIONAL
+ );
+
+/**
+ Dispatch the queue of DPCs.
+
+ DPCs with DpcTpl value greater than the current TPL value are queued, and then DPCs
+ with DpcTpl value lower than the current TPL value are queued. All DPCs in the first
+ group (higher DpcTpl values) are invoked before DPCs in the second group (lower DpcTpl values).
+
+ @param This Protocol instance pointer.
+
+ @retval EFI_SUCCESS One or more DPCs were invoked.
+ @retval EFI_NOT_FOUND No DPCs were invoked.
+
+**/
+typedef
+EFI_STATUS
+(EFIAPI *EFI_DPC_DISPATCH_DPC)(
+ IN EFI_DPC_PROTOCOL *This
+ );
+
+///
+/// DPC Protocol structure.
+///
+struct _EFI_DPC_PROTOCOL {
+ EFI_DPC_QUEUE_DPC QueueDpc;
+ EFI_DPC_DISPATCH_DPC DispatchDpc;
+};
+
+///
+/// DPC Protocol GUID variable.
+///
+extern EFI_GUID gEfiDpcProtocolGuid;
+
+#endif
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