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This patch adds protocol definitions (and the corresponding global

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EFI_GUID instances) for EFI_PLATFORM_DRIVER_OVERRIDE_PROTOCOL,
EFI_DRIVER_FAMILY_OVERRIDE_PROTOCOL, and
EFI_BUS_SPECIFIC_DRIVER_OVERRIDE_PROTOCOL, used in the driver
binding search procedure to select which driver to connect when
multiple drivers' Supported() functions indicate support for
the same controller.

Signed-off-by: Nathan Blythe <nblythe@lgsinnovations.com>
Signed-off-by: Nigel Croxon <nigel.croxon@hpe.com>
This commit is contained in:
Nigel Croxon 2016-05-03 14:13:43 -04:00
parent 78e4df7c5e
commit 63213a7b4e
3 changed files with 81 additions and 0 deletions
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3
inc/efilib.h
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@ -65,6 +65,9 @@ extern EFI_GUID ComponentNameProtocol;
extern EFI_GUID ComponentName2Protocol;
extern EFI_GUID LoadedImageProtocol;
extern EFI_GUID HashProtocol;
extern EFI_GUID PlatformDriverOverrideProtocol;
extern EFI_GUID BusSpecificDriverOverrideProtocol;
extern EFI_GUID DriverFamilyOverrideProtocol;
extern EFI_GUID EfiGlobalVariable;
extern EFI_GUID GenericFileInfo;

75
inc/efiprot.h
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@ -1017,5 +1017,80 @@ typedef struct _EFI_RNG_PROTOCOL {
} EFI_RNG_PROTOCOL;
//
// EFI_PLATFORM_DRIVER_OVERRIDE_PROTOCOL
//
#define EFI_PLATFORM_DRIVER_OVERRIDE_PROTOCOL_GUID \
{ 0x6b30c738, 0xa391, 0x11d4, {0x9a, 0x3b, 0x00, 0x90, 0x27, 0x3f, 0xc1, 0x4d} }
INTERFACE_DECL(_EFI_PLATFORM_DRIVER_OVERRIDE_PROTOCOL);
typedef
EFI_STATUS
(EFIAPI *EFI_PLATFORM_DRIVER_OVERRIDE_GET_DRIVER) (
IN struct _EFI_PLATFORM_DRIVER_OVERRIDE_PROTOCOL *This,
IN EFI_HANDLE ControllerHandle,
IN OUT EFI_HANDLE *DriverImageHandle);
typedef
EFI_STATUS
(EFIAPI *EFI_PLATFORM_DRIVER_OVERRIDE_GET_DRIVER_PATH) (
IN struct _EFI_PLATFORM_DRIVER_OVERRIDE_PROTOCOL *This,
IN EFI_HANDLE ControllerHandle,
IN OUT EFI_DEVICE_PATH **DriverImagePath);
typedef
EFI_STATUS
(EFIAPI *EFI_PLATFORM_DRIVER_OVERRIDE_DRIVER_LOADED) (
IN struct _EFI_PLATFORM_DRIVER_OVERRIDE_PROTOCOL *This,
IN EFI_HANDLE ControllerHandle,
IN EFI_DEVICE_PATH *DriverImagePath,
IN EFI_HANDLE DriverImageHandle);
typedef struct _EFI_PLATFORM_DRIVER_OVERRIDE_PROTOCOL {
EFI_PLATFORM_DRIVER_OVERRIDE_GET_DRIVER GetDriver;
EFI_PLATFORM_DRIVER_OVERRIDE_GET_DRIVER_PATH GetDriverPath;
EFI_PLATFORM_DRIVER_OVERRIDE_DRIVER_LOADED DriverLoaded;
} EFI_PLATFORM_DRIVER_OVERRIDE_PROTOCOL;
//
// EFI_BUS_SPECIFIC_DRIVER_OVERRIDE_PROTOCOL
//
#define EFI_BUS_SPECIFIC_DRIVER_OVERRIDE_PROTOCOL_GUID \
{ 0x3bc1b285, 0x8a15, 0x4a82, {0xaa, 0xbf, 0x4d, 0x7d, 0x13, 0xfb, 0x32, 0x65} }
INTERFACE_DECL(_EFI_BUS_SPECIFIC_DRIVER_OVERRIDE_PROTOCOL);
typedef
EFI_STATUS
(EFIAPI *EFI_BUS_SPECIFIC_DRIVER_OVERRIDE_GET_DRIVER) (
IN struct _EFI_BUS_SPECIFIC_DRIVER_OVERRIDE_PROTOCOL *This,
IN OUT EFI_HANDLE *DriverImageHandle);
typedef struct _EFI_BUS_SPECIFIC_DRIVER_OVERRIDE_PROTOCOL {
EFI_BUS_SPECIFIC_DRIVER_OVERRIDE_GET_DRIVER GetDriver;
} EFI_BUS_SPECIFIC_DRIVER_OVERRIDE_PROTOCOL;
//
// EFI_DRIVER_FAMILY_OVERRIDE_PROTOCOL
//
#define EFI_DRIVER_FAMILY_OVERRIDE_PROTOCOL_GUID \
{ 0xb1ee129e, 0xda36, 0x4181, {0x91, 0xf8, 0x04, 0xa4, 0x92, 0x37, 0x66, 0xa7} }
INTERFACE_DECL(_EFI_DRIVER_FAMILY_OVERRIDE_PROTOCOL);
typedef
UINT32
(EFIAPI *EFI_DRIVER_FAMILY_OVERRIDE_GET_VERSION) (
IN struct _EFI_DRIVER_FAMILY_OVERRIDE_PROTOCOL *This);
typedef struct _EFI_DRIVER_FAMILY_OVERRIDE_PROTOCOL {
EFI_DRIVER_FAMILY_OVERRIDE_GET_VERSION GetVersion;
} EFI_DRIVER_FAMILY_OVERRIDE_PROTOCOL;
#endif

3
lib/data.c
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@ -108,6 +108,9 @@ EFI_GUID DriverBindingProtocol = DRIVER_BINDING_PROTOCOL;
EFI_GUID ComponentNameProtocol = COMPONENT_NAME_PROTOCOL;
EFI_GUID ComponentName2Protocol = COMPONENT_NAME2_PROTOCOL;
EFI_GUID HashProtocol = HASH_PROTOCOL;
EFI_GUID PlatformDriverOverrideProtocol = EFI_PLATFORM_DRIVER_OVERRIDE_PROTOCOL_GUID;
EFI_GUID BusSpecificDriverOverrideProtocol = EFI_BUS_SPECIFIC_DRIVER_OVERRIDE_PROTOCOL_GUID;
EFI_GUID DriverFamilyOverrideProtocol = EFI_DRIVER_FAMILY_OVERRIDE_PROTOCOL_GUID;
//
// File system information IDs