From: vanjeff Date: Wed, 18 Jul 2007 05:10:20 +0000 (+0000) Subject: Move those definitions defined in UEFI Spec from IndustryStandard/Usb.h to Protocol... X-Git-Tag: edk2-stable201903~22651 X-Git-Url: https://git.proxmox.com/?p=mirror_edk2.git;a=commitdiff_plain;h=e3c6b3d9802d267eff1c45c843a112c4c800334e Move those definitions defined in UEFI Spec from IndustryStandard/Usb.h to Protocol/UsbIo.h and Protocol/Usb2HostController.h git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@3310 6f19259b-4bc3-4df7-8a09-765794883524 --- diff --git a/MdePkg/Include/IndustryStandard/Usb.h b/MdePkg/Include/IndustryStandard/Usb.h index 333bb67e2e..0c251142a9 100644 --- a/MdePkg/Include/IndustryStandard/Usb.h +++ b/MdePkg/Include/IndustryStandard/Usb.h @@ -58,68 +58,6 @@ #define USB_DEV_SYNCH_FRAME 0x0C #define USB_DEV_SYNCH_FRAME_REQ_TYPE 0x82 -// -// Definitions defined in UEFI spec -// - -// -// USB Transfer Results -// -#define EFI_USB_NOERROR 0x00 -#define EFI_USB_ERR_NOTEXECUTE 0x01 -#define EFI_USB_ERR_STALL 0x02 -#define EFI_USB_ERR_BUFFER 0x04 -#define EFI_USB_ERR_BABBLE 0x08 -#define EFI_USB_ERR_NAK 0x10 -#define EFI_USB_ERR_CRC 0x20 -#define EFI_USB_ERR_TIMEOUT 0x40 -#define EFI_USB_ERR_BITSTUFF 0x80 -#define EFI_USB_ERR_SYSTEM 0x100 - -// -// Constant value for Port Status & Port Change Status -// -#define USB_PORT_STAT_CONNECTION 0x0001 -#define USB_PORT_STAT_ENABLE 0x0002 -#define USB_PORT_STAT_SUSPEND 0x0004 -#define USB_PORT_STAT_OVERCURRENT 0x0008 -#define USB_PORT_STAT_RESET 0x0010 -#define USB_PORT_STAT_POWER 0x0100 -#define USB_PORT_STAT_LOW_SPEED 0x0200 -#define USB_PORT_STAT_HIGH_SPEED 0x0400 -#define USB_PORT_STAT_OWNER 0x0800 - -#define USB_PORT_STAT_C_CONNECTION 0x0001 -#define USB_PORT_STAT_C_ENABLE 0x0002 -#define USB_PORT_STAT_C_SUSPEND 0x0004 -#define USB_PORT_STAT_C_OVERCURRENT 0x0008 -#define USB_PORT_STAT_C_RESET 0x0010 - -// -// USB data transfer direction -// -typedef enum { - EfiUsbDataIn, - EfiUsbDataOut, - EfiUsbNoData -} EFI_USB_DATA_DIRECTION; - -// -// Usb port features -// -typedef enum { - EfiUsbPortEnable = 1, - EfiUsbPortSuspend = 2, - EfiUsbPortReset = 4, - EfiUsbPortPower = 8, - EfiUsbPortOwner = 13, - EfiUsbPortConnectChange = 16, - EfiUsbPortEnableChange = 17, - EfiUsbPortSuspendChange = 18, - EfiUsbPortOverCurrentChange = 19, - EfiUsbPortResetChange = 20 -} EFI_USB_PORT_FEATURE; - // // USB standard descriptors and reqeust @@ -131,7 +69,7 @@ typedef struct { UINT16 Value; UINT16 Index; UINT16 Length; -} EFI_USB_DEVICE_REQUEST; +} USB_DEVICE_REQUEST; typedef struct { UINT8 Length; @@ -148,7 +86,7 @@ typedef struct { UINT8 StrProduct; UINT8 StrSerialNumber; UINT8 NumConfigurations; -} EFI_USB_DEVICE_DESCRIPTOR; +} USB_DEVICE_DESCRIPTOR; typedef struct { UINT8 Length; @@ -159,7 +97,7 @@ typedef struct { UINT8 Configuration; UINT8 Attributes; UINT8 MaxPower; -} EFI_USB_CONFIG_DESCRIPTOR; +} USB_CONFIG_DESCRIPTOR; typedef struct { UINT8 Length; @@ -171,7 +109,7 @@ typedef struct { UINT8 InterfaceSubClass; UINT8 InterfaceProtocol; UINT8 Interface; -} EFI_USB_INTERFACE_DESCRIPTOR; +} USB_INTERFACE_DESCRIPTOR; typedef struct { UINT8 Length; @@ -180,7 +118,7 @@ typedef struct { UINT8 Attributes; UINT16 MaxPacketSize; UINT8 Interval; -} EFI_USB_ENDPOINT_DESCRIPTOR; +} USB_ENDPOINT_DESCRIPTOR; typedef struct { UINT8 Length; @@ -190,16 +128,7 @@ typedef struct { #pragma pack() -typedef struct { - UINT16 PortStatus; - UINT16 PortChangeStatus; -} EFI_USB_PORT_STATUS; - -// -// Following are definitions not specified by UEFI spec. -// Add new definitions below this line -// enum { // // USB request type diff --git a/MdePkg/Include/Protocol/Usb2HostController.h b/MdePkg/Include/Protocol/Usb2HostController.h index 81ad7732a6..3db36607b8 100644 --- a/MdePkg/Include/Protocol/Usb2HostController.h +++ b/MdePkg/Include/Protocol/Usb2HostController.h @@ -28,6 +28,49 @@ // typedef struct _EFI_USB2_HC_PROTOCOL EFI_USB2_HC_PROTOCOL; + +typedef struct { + UINT16 PortStatus; + UINT16 PortChangeStatus; +} EFI_USB_PORT_STATUS; + +// +// Constant value for Port Status & Port Change Status +// +#define USB_PORT_STAT_CONNECTION 0x0001 +#define USB_PORT_STAT_ENABLE 0x0002 +#define USB_PORT_STAT_SUSPEND 0x0004 +#define USB_PORT_STAT_OVERCURRENT 0x0008 +#define USB_PORT_STAT_RESET 0x0010 +#define USB_PORT_STAT_POWER 0x0100 +#define USB_PORT_STAT_LOW_SPEED 0x0200 +#define USB_PORT_STAT_HIGH_SPEED 0x0400 +#define USB_PORT_STAT_OWNER 0x0800 + +#define USB_PORT_STAT_C_CONNECTION 0x0001 +#define USB_PORT_STAT_C_ENABLE 0x0002 +#define USB_PORT_STAT_C_SUSPEND 0x0004 +#define USB_PORT_STAT_C_OVERCURRENT 0x0008 +#define USB_PORT_STAT_C_RESET 0x0010 + + +// +// Usb port features +// +typedef enum { + EfiUsbPortEnable = 1, + EfiUsbPortSuspend = 2, + EfiUsbPortReset = 4, + EfiUsbPortPower = 8, + EfiUsbPortOwner = 13, + EfiUsbPortConnectChange = 16, + EfiUsbPortEnableChange = 17, + EfiUsbPortSuspendChange = 18, + EfiUsbPortOverCurrentChange = 19, + EfiUsbPortResetChange = 20 +} EFI_USB_PORT_FEATURE; + + #define EFI_USB_SPEED_FULL 0x0000 // 12 Mb/s, USB 1.1 OHCI and UHCI HC. #define EFI_USB_SPEED_LOW 0x0001 // 1 Mb/s, USB 1.1 OHCI and UHCI HC. #define EFI_USB_SPEED_HIGH 0x0002 // 480 Mb/s, USB 2.0 EHCI HC. diff --git a/MdePkg/Include/Protocol/UsbIo.h b/MdePkg/Include/Protocol/UsbIo.h index 685296caa1..7d6ce276ab 100644 --- a/MdePkg/Include/Protocol/UsbIo.h +++ b/MdePkg/Include/Protocol/UsbIo.h @@ -1,14 +1,14 @@ /** @file EFI Usb I/O Protocol - Copyright (c) 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 + Copyright (c) 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. + THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, + WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. **/ @@ -27,19 +27,55 @@ typedef struct _EFI_USB_IO_PROTOCOL EFI_USB_IO_PROTOCOL; -/** +// +// Related Definition for EFI USB I/O protocol +// + +// +// USB standard descriptors and reqeust +// +typedef USB_DEVICE_REQUEST EFI_USB_DEVICE_REQUEST; +typedef USB_DEVICE_DESCRIPTOR EFI_USB_DEVICE_DESCRIPTOR; +typedef USB_CONFIG_DESCRIPTOR EFI_USB_CONFIG_DESCRIPTOR; +typedef USB_INTERFACE_DESCRIPTOR EFI_USB_INTERFACE_DESCRIPTOR; +typedef USB_ENDPOINT_DESCRIPTOR EFI_USB_ENDPOINT_DESCRIPTOR; + +// +// USB data transfer direction +// +typedef enum { + EfiUsbDataIn, + EfiUsbDataOut, + EfiUsbNoData +} EFI_USB_DATA_DIRECTION; + +// +// USB Transfer Results +// +#define EFI_USB_NOERROR 0x00 +#define EFI_USB_ERR_NOTEXECUTE 0x01 +#define EFI_USB_ERR_STALL 0x02 +#define EFI_USB_ERR_BUFFER 0x04 +#define EFI_USB_ERR_BABBLE 0x08 +#define EFI_USB_ERR_NAK 0x10 +#define EFI_USB_ERR_CRC 0x20 +#define EFI_USB_ERR_TIMEOUT 0x40 +#define EFI_USB_ERR_BITSTUFF 0x80 +#define EFI_USB_ERR_SYSTEM 0x100 + +/** Async USB transfer callback routine. - + @param Data Data received or sent via the USB Asynchronous Transfer, if the - transfer completed successfully. + transfer completed successfully. @param DataLength The length of Data received or sent via the Asynchronous - Transfer, if transfer successfully completes. + Transfer, if transfer successfully completes. @param Context Data passed from UsbAsyncInterruptTransfer() request. @param Status Indicates the result of the asynchronous transfer. - - @retval EFI_SUCCESS The asynchronous USB transfer request has been successfully executed. + + @retval EFI_SUCCESS The asynchronous USB transfer request has been successfully executed. @retval EFI_DEVICE_ERROR The asynchronous USB transfer request failed. - + **/ typedef EFI_STATUS @@ -55,27 +91,27 @@ EFI_STATUS // -/** +/** This function is used to manage a USB device with a control transfer pipe. A control transfer is - typically used to perform device initialization and configuration. - - @param This A pointer to the EFI_USB_IO_PROTOCOL instance. + typically used to perform device initialization and configuration. + + @param This A pointer to the EFI_USB_IO_PROTOCOL instance. @param Request A pointer to the USB device request that will be sent to the USB - device. + device. @param Direction Indicates the data direction. @param Data A pointer to the buffer of data that will be transmitted to USB - device or received from USB device. + device or received from USB device. @param Timeout Indicating the transfer should be completed within this time frame. - The units are in milliseconds. + The units are in milliseconds. @param DataLength The size, in bytes, of the data buffer specified by Data. @param Status A pointer to the result of the USB transfer. - + @retval EFI_SUCCESS The control transfer has been successfully executed. @retval EFI_DEVICE_ERROR The transfer failed. The transfer status is returned in Status. @retval EFI_INVALID_PARAMETE One or more parameters are invalid. @retval EFI_OUT_OF_RESOURCES The request could not be completed due to a lack of resources. @retval EFI_TIMEOUT The control transfer fails due to timeout. - + **/ typedef EFI_STATUS @@ -89,26 +125,26 @@ EFI_STATUS OUT UINT32 *Status ); -/** +/** This function is used to manage a USB device with the bulk transfer pipe. Bulk Transfers are typically used to transfer large amounts of data to/from USB devices. - - @param This A pointer to the EFI_USB_IO_PROTOCOL instance. + + @param This A pointer to the EFI_USB_IO_PROTOCOL instance. @param DeviceEndpoint A pointer to the USB device request that will be sent to the USB - device. + device. @param Data A pointer to the buffer of data that will be transmitted to USB - device or received from USB device. + device or received from USB device. @param DataLength The size, in bytes, of the data buffer specified by Data. @param Timeout Indicating the transfer should be completed within this time frame. - The units are in milliseconds. + The units are in milliseconds. @param Status This parameter indicates the USB transfer status. - + @retval EFI_SUCCESS The bulk transfer has been successfully executed. @retval EFI_DEVICE_ERROR The transfer failed. The transfer status is returned in Status. @retval EFI_INVALID_PARAMETE One or more parameters are invalid. @retval EFI_OUT_OF_RESOURCES The request could not be submitted due to a lack of resources. @retval EFI_TIMEOUT The control transfer fails due to timeout. - + **/ typedef EFI_STATUS @@ -121,29 +157,29 @@ EFI_STATUS OUT UINT32 *Status ); -/** - This function is used to manage a USB device with an interrupt transfer pipe. An Asynchronous - Interrupt Transfer is typically used to query a device's status at a fixed rate. For example, +/** + This function is used to manage a USB device with an interrupt transfer pipe. An Asynchronous + Interrupt Transfer is typically used to query a device's status at a fixed rate. For example, keyboard, mouse, and hub devices use this type of transfer to query their interrupt endpoints at - a fixed rate. - - @param This A pointer to the EFI_USB_IO_PROTOCOL instance. + a fixed rate. + + @param This A pointer to the EFI_USB_IO_PROTOCOL instance. @param DeviceEndpoint A pointer to the USB device request that will be sent to the USB - device. - @param IsNewTransfer If TRUE, a new transfer will be submitted to USB controller. If + device. + @param IsNewTransfer If TRUE, a new transfer will be submitted to USB controller. If FALSE, the interrupt transfer is deleted from the device's interrupt - transfer queue. - @param PollingInterval Indicates the periodic rate, in milliseconds, that the transfer is to be - executed. + transfer queue. + @param PollingInterval Indicates the periodic rate, in milliseconds, that the transfer is to be + executed. @param DataLength Specifies the length, in bytes, of the data to be received from the - USB device. + USB device. @param Context Data passed to the InterruptCallback function. @param InterruptCallback The Callback function. This function is called if the asynchronous interrupt transfer is completed. - + @retval EFI_SUCCESS The asynchronous USB transfer request transfer has been successfully executed. - @retval EFI_DEVICE_ERROR The asynchronous USB transfer request failed. - + @retval EFI_DEVICE_ERROR The asynchronous USB transfer request failed. + **/ typedef EFI_STATUS @@ -157,24 +193,24 @@ EFI_STATUS IN VOID *Context OPTIONAL ); -/** +/** This function is used to manage a USB device with an interrupt transfer pipe. - - @param This A pointer to the EFI_USB_IO_PROTOCOL instance. + + @param This A pointer to the EFI_USB_IO_PROTOCOL instance. @param DeviceEndpoint A pointer to the USB device request that will be sent to the USB - device. + device. @param Data A pointer to the buffer of data that will be transmitted to USB - device or received from USB device. + device or received from USB device. @param DataLength On input, then size, in bytes, of the buffer Data. On output, the - amount of data actually transferred. + amount of data actually transferred. @param Timeout The time out, in seconds, for this transfer. - @param Status This parameter indicates the USB transfer status. - + @param Status This parameter indicates the USB transfer status. + @retval EFI_SUCCESS The sync interrupt transfer has been successfully executed. @retval EFI_INVALID_PARAMETER One or more parameters are invalid. - @retval EFI_DEVICE_ERROR The sync interrupt transfer request failed. + @retval EFI_DEVICE_ERROR The sync interrupt transfer request failed. @retval EFI_OUT_OF_RESOURCES The request could not be submitted due to a lack of resources. - @retval EFI_TIMEOUT The transfer fails due to timeout. + @retval EFI_TIMEOUT The transfer fails due to timeout. **/ typedef EFI_STATUS @@ -187,24 +223,24 @@ EFI_STATUS OUT UINT32 *Status ); -/** +/** This function is used to manage a USB device with an isochronous transfer pipe. An Isochronous transfer is typically used to transfer streaming data. - - @param This A pointer to the EFI_USB_IO_PROTOCOL instance. + + @param This A pointer to the EFI_USB_IO_PROTOCOL instance. @param DeviceEndpoint A pointer to the USB device request that will be sent to the USB - device. + device. @param Data A pointer to the buffer of data that will be transmitted to USB - device or received from USB device. - @param DataLength The size, in bytes, of the data buffer specified by Data. - @param Status This parameter indicates the USB transfer status. - + device or received from USB device. + @param DataLength The size, in bytes, of the data buffer specified by Data. + @param Status This parameter indicates the USB transfer status. + @retval EFI_SUCCESS The isochronous transfer has been successfully executed. @retval EFI_INVALID_PARAMETER The parameter DeviceEndpoint is not valid. @retval EFI_DEVICE_ERROR The transfer failed due to the reason other than timeout, The error status - is returned in Status. + is returned in Status. @retval EFI_OUT_OF_RESOURCES The request could not be submitted due to a lack of resources. - @retval EFI_TIMEOUT The transfer fails due to timeout. + @retval EFI_TIMEOUT The transfer fails due to timeout. **/ typedef EFI_STATUS @@ -216,24 +252,24 @@ EFI_STATUS OUT UINT32 *Status ); -/** +/** This function is used to manage a USB device with an isochronous transfer pipe. An Isochronous - transfer is typically used to transfer streaming data. - - @param This A pointer to the EFI_USB_IO_PROTOCOL instance. + transfer is typically used to transfer streaming data. + + @param This A pointer to the EFI_USB_IO_PROTOCOL instance. @param DeviceEndpoint A pointer to the USB device request that will be sent to the USB - device. + device. @param Data A pointer to the buffer of data that will be transmitted to USB - device or received from USB device. - @param DataLength The size, in bytes, of the data buffer specified by Data. + device or received from USB device. + @param DataLength The size, in bytes, of the data buffer specified by Data. @param Context Data passed to the IsochronousCallback() function. @param IsochronousCallback The IsochronousCallback() function. - + @retval EFI_SUCCESS The asynchronous isochronous transfer has been successfully submitted to the system. @retval EFI_INVALID_PARAMETER The parameter DeviceEndpoint is not valid. @retval EFI_OUT_OF_RESOURCES The request could not be submitted due to a lack of resources. - + **/ typedef EFI_STATUS @@ -246,16 +282,16 @@ EFI_STATUS IN VOID *Context OPTIONAL ); -/** +/** Resets and reconfigures the USB controller. This function will work for all USB devices except - USB Hub Controllers. - - @param This A pointer to the EFI_USB_IO_PROTOCOL instance. - - @retval EFI_SUCCESS The USB controller was reset. + USB Hub Controllers. + + @param This A pointer to the EFI_USB_IO_PROTOCOL instance. + + @retval EFI_SUCCESS The USB controller was reset. @retval EFI_INVALID_PARAMETER If the controller specified by This is a USB hub. @retval EFI_DEVICE_ERROR An error occurred during the reconfiguration process. - + **/ typedef EFI_STATUS @@ -263,16 +299,16 @@ EFI_STATUS IN EFI_USB_IO_PROTOCOL *This ); -/** +/** Retrieves the USB Device Descriptor. - - @param This A pointer to the EFI_USB_IO_PROTOCOL instance. + + @param This A pointer to the EFI_USB_IO_PROTOCOL instance. @param DeviceDescriptor A pointer to the caller allocated USB Device Descriptor. - + @retval EFI_SUCCESS The device descriptor was retrieved successfully. @retval EFI_INVALID_PARAMETER DeviceDescriptor is NULL. @retval EFI_NOT_FOUND The device descriptor was not found. The device may not be configured. - + **/ typedef EFI_STATUS @@ -281,17 +317,17 @@ EFI_STATUS OUT EFI_USB_DEVICE_DESCRIPTOR *DeviceDescriptor ); -/** +/** Retrieves the USB Device Descriptor. - - @param This A pointer to the EFI_USB_IO_PROTOCOL instance. + + @param This A pointer to the EFI_USB_IO_PROTOCOL instance. @param ConfigurationDescriptor A pointer to the caller allocated USB Active Configuration - Descriptor. + Descriptor. @retval EFI_SUCCESS The active configuration descriptor was retrieved successfully. @retval EFI_INVALID_PARAMETER ConfigurationDescriptor is NULL. @retval EFI_NOT_FOUND An active configuration descriptor cannot be found. The device may not - be configured. - + be configured. + **/ typedef EFI_STATUS @@ -300,18 +336,18 @@ EFI_STATUS OUT EFI_USB_CONFIG_DESCRIPTOR *ConfigurationDescriptor ); -/** +/** Retrieves the Interface Descriptor for a USB Device Controller. As stated earlier, an interface - within a USB device is equivalently to a USB Controller within the current configuration. - - @param This A pointer to the EFI_USB_IO_PROTOCOL instance. + within a USB device is equivalently to a USB Controller within the current configuration. + + @param This A pointer to the EFI_USB_IO_PROTOCOL instance. @param InterfaceDescriptor A pointer to the caller allocated USB Interface Descriptor within - the configuration setting. + the configuration setting. @retval EFI_SUCCESS The interface descriptor retrieved successfully. @retval EFI_INVALID_PARAMETER InterfaceDescriptor is NULL. @retval EFI_NOT_FOUND The interface descriptor cannot be found. The device may not be - correctly configured. - + correctly configured. + **/ typedef EFI_STATUS @@ -320,19 +356,19 @@ EFI_STATUS OUT EFI_USB_INTERFACE_DESCRIPTOR *InterfaceDescriptor ); -/** +/** Retrieves an Endpoint Descriptor within a USB Controller. - - @param This A pointer to the EFI_USB_IO_PROTOCOL instance. + + @param This A pointer to the EFI_USB_IO_PROTOCOL instance. @param EndpointIndex Indicates which endpoint descriptor to retrieve. @param EndpointDescriptor A pointer to the caller allocated USB Endpoint Descriptor of - a USB controller. - + a USB controller. + @retval EFI_SUCCESS The endpoint descriptor was retrieved successfully. @retval EFI_INVALID_PARAMETER One or more parameters are invalid. @retval EFI_NOT_FOUND The endpoint descriptor cannot be found. The device may not be - correctly configured. - + correctly configured. + **/ typedef EFI_STATUS @@ -342,19 +378,19 @@ EFI_STATUS OUT EFI_USB_ENDPOINT_DESCRIPTOR *EndpointDescriptor ); -/** +/** Retrieves a Unicode string stored in a USB Device. - - @param This A pointer to the EFI_USB_IO_PROTOCOL instance. + + @param This A pointer to the EFI_USB_IO_PROTOCOL instance. @param LangID The Language ID for the string being retrieved. - @param StringID The ID of the string being retrieved. - @param String A pointer to a buffer allocated by this function with + @param StringID The ID of the string being retrieved. + @param String A pointer to a buffer allocated by this function with AllocatePool() to store the string. - - @retval EFI_SUCCESS The string was retrieved successfully. - @retval EFI_NOT_FOUND The string specified by LangID and StringID was not found. + + @retval EFI_SUCCESS The string was retrieved successfully. + @retval EFI_NOT_FOUND The string specified by LangID and StringID was not found. @retval EFI_OUT_OF_RESOURCES There are not enough resources to allocate the return buffer String. - + **/ typedef EFI_STATUS @@ -365,15 +401,15 @@ EFI_STATUS OUT CHAR16 **String ); -/** +/** Retrieves all the language ID codes that the USB device supports. - - @param This A pointer to the EFI_USB_IO_PROTOCOL instance. + + @param This A pointer to the EFI_USB_IO_PROTOCOL instance. @param LangIDTable Language ID for the string the caller wants to get. @param TableSize The size, in bytes, of the table LangIDTable. - - @retval EFI_SUCCESS The support languages were retrieved successfully. - + + @retval EFI_SUCCESS The support languages were retrieved successfully. + **/ typedef EFI_STATUS