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/MdeModulePkg/Include/Protocol/NonDiscoverableDevice.h | |
| parent | e02cda008591317b1625707ff8e115a4841aa889 (diff) | |
Change-Id: Iaf8d18082d3991dec7c0ebbea540f092188eb4ec
Diffstat (limited to 'roms/edk2/MdeModulePkg/Include/Protocol/NonDiscoverableDevice.h')
| -rw-r--r-- | roms/edk2/MdeModulePkg/Include/Protocol/NonDiscoverableDevice.h | 71 |
1 files changed, 71 insertions, 0 deletions
diff --git a/roms/edk2/MdeModulePkg/Include/Protocol/NonDiscoverableDevice.h b/roms/edk2/MdeModulePkg/Include/Protocol/NonDiscoverableDevice.h new file mode 100644 index 000000000..53ab804f3 --- /dev/null +++ b/roms/edk2/MdeModulePkg/Include/Protocol/NonDiscoverableDevice.h @@ -0,0 +1,71 @@ +/** @file
+ Protocol to describe devices that are not on a discoverable bus
+
+ Copyright (c) 2016, Linaro, Ltd. All rights reserved.<BR>
+
+ SPDX-License-Identifier: BSD-2-Clause-Patent
+
+**/
+
+#ifndef __NON_DISCOVERABLE_DEVICE_H__
+#define __NON_DISCOVERABLE_DEVICE_H__
+
+#include <IndustryStandard/Acpi.h>
+
+#define EDKII_NON_DISCOVERABLE_DEVICE_PROTOCOL_GUID \
+ { 0x0d51905b, 0xb77e, 0x452a, {0xa2, 0xc0, 0xec, 0xa0, 0xcc, 0x8d, 0x51, 0x4a } }
+
+//
+// Protocol interface structure
+//
+typedef struct _NON_DISCOVERABLE_DEVICE NON_DISCOVERABLE_DEVICE;
+
+//
+// Data Types
+//
+typedef enum {
+ NonDiscoverableDeviceDmaTypeCoherent,
+ NonDiscoverableDeviceDmaTypeNonCoherent,
+ NonDiscoverableDeviceDmaTypeMax,
+} NON_DISCOVERABLE_DEVICE_DMA_TYPE;
+
+//
+// Function Prototypes
+//
+
+/**
+ Perform device specific initialization before the device is started
+
+ @param This The non-discoverable device protocol pointer
+
+ @retval EFI_SUCCESS Initialization successful, the device may be used
+ @retval Other Initialization failed, device should not be started
+**/
+typedef
+EFI_STATUS
+(EFIAPI *NON_DISCOVERABLE_DEVICE_INIT) (
+ IN NON_DISCOVERABLE_DEVICE *This
+ );
+
+struct _NON_DISCOVERABLE_DEVICE {
+ //
+ // The type of device
+ //
+ CONST EFI_GUID *Type;
+ //
+ // Whether this device is DMA coherent
+ //
+ NON_DISCOVERABLE_DEVICE_DMA_TYPE DmaType;
+ //
+ // Initialization function for the device
+ //
+ NON_DISCOVERABLE_DEVICE_INIT Initialize;
+ //
+ // The MMIO and I/O regions owned by the device
+ //
+ EFI_ACPI_ADDRESS_SPACE_DESCRIPTOR *Resources;
+};
+
+extern EFI_GUID gEdkiiNonDiscoverableDeviceProtocolGuid;
+
+#endif
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