From 8d01f2f4d618d81ba5f1b9351a4554e1c6e9682f Mon Sep 17 00:00:00 2001 From: Eric Jin Date: Sun, 11 Aug 2019 10:55:13 +0800 Subject: [PATCH] FmpDevicePkg: Add APIs to FmpDeviceLib REF: https://bugzilla.tianocore.org/show_bug.cgi?id=1525 Add new APIs to FmpDevideLib to support multiple controllers * RegisterFmpUninstaller() * FmpDeviceSetContext() * FmpDeviceGetHardwareInstance() Cc: Sean Brogan Cc: Bret Barkelew Cc: Liming Gao Signed-off-by: Michael D Kinney Reviewed-by: Eric Jin Reviewed-by: Liming Gao --- FmpDevicePkg/Include/Library/FmpDeviceLib.h | 104 +++++++++++++++++++- 1 file changed, 103 insertions(+), 1 deletion(-) diff --git a/FmpDevicePkg/Include/Library/FmpDeviceLib.h b/FmpDevicePkg/Include/Library/FmpDeviceLib.h index c435b23030..1e498c13ce 100644 --- a/FmpDevicePkg/Include/Library/FmpDeviceLib.h +++ b/FmpDevicePkg/Include/Library/FmpDeviceLib.h @@ -3,7 +3,7 @@ image stored in a firmware device. Copyright (c) 2016, Microsoft Corporation. All rights reserved.
- Copyright (c) 2018, Intel Corporation. All rights reserved.
+ Copyright (c) 2018 - 2019, Intel Corporation. All rights reserved.
SPDX-License-Identifier: BSD-2-Clause-Patent @@ -34,6 +34,26 @@ EFI_STATUS IN EFI_HANDLE Handle ); +/** + Callback function that uninstalls a Firmware Management Protocol instance from + a handle. + + @param[in] Handle The device handle to uninstall a Firmware Management + Protocol instance. + + @retval EFI_SUCCESS A Firmware Management Protocol instance was + uninstalled from Handle. + @retval EFI_INVALID_PARAMETER Handle is invalid + @retval other A Firmware Management Protocol instance could + not be uninstalled from Handle. + +**/ +typedef +EFI_STATUS +(EFIAPI *FMP_DEVICE_LIB_REGISTER_FMP_UNINSTALLER)( + IN EFI_HANDLE Handle + ); + /** Provide a function to install the Firmware Management Protocol instance onto a device handle when the device is managed by a driver that follows the UEFI @@ -59,6 +79,62 @@ RegisterFmpInstaller ( IN FMP_DEVICE_LIB_REGISTER_FMP_INSTALLER FmpInstaller ); +/** + Provide a function to uninstall the Firmware Management Protocol instance from a + device handle when the device is managed by a driver that follows the UEFI + Driver Model. If the device is not managed by a driver that follows the UEFI + Driver Model, then EFI_UNSUPPORTED is returned. + + @param[in] FmpUninstaller Function that installs the Firmware Management + Protocol. + + @retval EFI_SUCCESS The device is managed by a driver that follows the + UEFI Driver Model. FmpUinstaller must be called on + each Driver Binding Stop(). + @retval EFI_UNSUPPORTED The device is not managed by a driver that follows + the UEFI Driver Model. + @retval other The Firmware Management Protocol for this firmware + device is not installed. The firmware device is + still locked using FmpDeviceLock(). + +**/ +EFI_STATUS +EFIAPI +RegisterFmpUninstaller ( + IN FMP_DEVICE_LIB_REGISTER_FMP_UNINSTALLER FmpUninstaller + ); + +/** + Set the device context for the FmpDeviceLib services when the device is + managed by a driver that follows the UEFI Driver Model. If the device is not + managed by a driver that follows the UEFI Driver Model, then EFI_UNSUPPORTED + is returned. Once a device context is set, the FmpDeviceLib services + operate on the currently set device context. + + @param[in] Handle Device handle for the FmpDeviceLib services. + If Handle is NULL, then Context is freed. + @param[in, out] Context Device context for the FmpDeviceLib services. + If Context is NULL, then a new context is allocated + for Handle and the current device context is set and + returned in Context. If Context is not NULL, then + the current device context is set. + + @retval EFI_SUCCESS The device is managed by a driver that follows the + UEFI Driver Model. + @retval EFI_UNSUPPORTED The device is not managed by a driver that follows + the UEFI Driver Model. + @retval other The Firmware Management Protocol for this firmware + device is not installed. The firmware device is + still locked using FmpDeviceLock(). + +**/ +EFI_STATUS +EFIAPI +FmpDeviceSetContext ( + IN EFI_HANDLE Handle, + IN OUT VOID **Context + ); + /** Returns the size, in bytes, of the firmware image currently stored in the firmware device. This function is used to by the GetImage() and @@ -232,6 +308,32 @@ FmpDeviceGetVersion ( OUT UINT32 *Version ); +/** + Returns the value used to fill in the HardwareInstance field of the + EFI_FIRMWARE_IMAGE_DESCRIPTOR structure that is returned by the GetImageInfo() + service of the Firmware Management Protocol. If EFI_SUCCESS is returned, then + the firmware device supports a method to report the HardwareInstance value. + If the value can not be reported for the firmware device, then EFI_UNSUPPORTED + must be returned. EFI_DEVICE_ERROR is returned if an error occurs attempting + to retrieve the HardwareInstance value for the firmware device. + + @param[out] HardwareInstance The hardware instance value for the firmware + device. + + @retval EFI_SUCCESS The hardware instance for the current firmware + devide is returned in HardwareInstance. + @retval EFI_UNSUPPORTED The firmware device does not support a method to + report the hardware instance value. + @retval EFI_DEVICE_ERROR An error occurred attempting to retrieve the hardware + instance value. + +**/ +EFI_STATUS +EFIAPI +FmpDeviceGetHardwareInstance ( + OUT UINT64 *HardwareInstance + ); + /** Returns a copy of the firmware image currently stored in the firmware device.