From af1a266670d040d2f4083ff309d732d648afba2a Mon Sep 17 00:00:00 2001 From: Angelos Mouzakitis Date: Tue, 10 Oct 2023 14:33:42 +0000 Subject: Add submodule dependency files Change-Id: Iaf8d18082d3991dec7c0ebbea540f092188eb4ec --- roms/edk2/OvmfPkg/SioBusDxe/SioBusDxe.h | 325 ++++++++++++++++++++++++++++++++ 1 file changed, 325 insertions(+) create mode 100644 roms/edk2/OvmfPkg/SioBusDxe/SioBusDxe.h (limited to 'roms/edk2/OvmfPkg/SioBusDxe/SioBusDxe.h') diff --git a/roms/edk2/OvmfPkg/SioBusDxe/SioBusDxe.h b/roms/edk2/OvmfPkg/SioBusDxe/SioBusDxe.h new file mode 100644 index 000000000..ae338787e --- /dev/null +++ b/roms/edk2/OvmfPkg/SioBusDxe/SioBusDxe.h @@ -0,0 +1,325 @@ +/** @file + The SioBusDxe driver is used to create child devices on the ISA bus and + installs the Super I/O protocols on them. + + Copyright (c) 2019, Intel Corporation. All rights reserved.
+ + SPDX-License-Identifier: BSD-2-Clause-Patent + +**/ + +#ifndef __SIO_BUS_DXE_H__ +#define __SIO_BUS_DXE_H__ + +#include + +#include + +#include +#include + +#include +#include +#include +#include +#include +#include +#include +#include + +#include "SioService.h" + +// +// SIO Bus driver private data structure +// +typedef struct { + EFI_PCI_IO_PROTOCOL *PciIo; + UINT64 OriginalAttributes; +} SIO_BUS_DRIVER_PRIVATE_DATA; + + +// +// Global Variables +// +extern EFI_COMPONENT_NAME_PROTOCOL gSioBusComponentName; +extern EFI_COMPONENT_NAME2_PROTOCOL gSioBusComponentName2; + + +// +// EFI Component Name Functions +// + +/** + Retrieves a Unicode string that is the user readable name of the driver. + + This function retrieves the user readable name of a driver in the form of a + Unicode string. If the driver specified by This has a user readable name in + the language specified by Language, then a pointer to the driver name is + returned in DriverName, and EFI_SUCCESS is returned. If the driver specified + by This does not support the language specified by Language, then + EFI_UNSUPPORTED is returned. + + @param[in] This A pointer to the EFI_COMPONENT_NAME2_PROTOCOL + or EFI_COMPONENT_NAME_PROTOCOL instance. + @param[in] Language A pointer to a Null-terminated ASCII string + array indicating the language. This is the + language of the driver name that the caller is + requesting, and it must match one of the + languages specified in SupportedLanguages. The + number of languages supported by a driver is up + to the driver writer. Language is specified + in RFC 4646 or ISO 639-2 language code format. + @param[out] DriverName A pointer to the Unicode string to return. This + Unicode string is the name of the driver + specified by This in the language specified by + Language. + + @retval EFI_SUCCESS The Unicode string for the Driver specified by + This and the language specified by Language was + returned in DriverName. + @retval EFI_INVALID_PARAMETER Language is NULL. + @retval EFI_INVALID_PARAMETER DriverName is NULL. + @retval EFI_UNSUPPORTED The driver specified by This does not support + the language specified by Language. + +**/ +EFI_STATUS +EFIAPI +SioBusComponentNameGetDriverName ( + IN EFI_COMPONENT_NAME_PROTOCOL *This, + IN CHAR8 *Language, + OUT CHAR16 **DriverName + ); + +/** + Retrieves a Unicode string that is the user readable name of the controller + that is being managed by a driver. + + This function retrieves the user readable name of the controller specified by + ControllerHandle and ChildHandle in the form of a Unicode string. If the + driver specified by This has a user readable name in the language specified + by Language, then a pointer to the controller name is returned in + ControllerName, and EFI_SUCCESS is returned. If the driver specified by This + is not currently managing the controller specified by ControllerHandle and + ChildHandle, then EFI_UNSUPPORTED is returned. If the driver specified by + This does not support the language specified by Language, then + EFI_UNSUPPORTED is returned. + + @param[in] This A pointer to the EFI_COMPONENT_NAME2_PROTOCOL + or EFI_COMPONENT_NAME_PROTOCOL instance. + @param[in] ControllerHandle The handle of a controller that the driver + specified by This is managing. This handle + specifies the controller whose name is to be + returned. + @param[in] ChildHandle The handle of the child controller to retrieve + the name of. This is an optional parameter + that may be NULL. It will be NULL for device + drivers. It will also be NULL for a bus + drivers that wish to retrieve the name of the + bus controller. It will not be NULL for a bus + driver that wishes to retrieve the name of a + child controller. + @param[in] Language A pointer to a Null-terminated ASCII string + array indicating the language. This is the + language of the driver name that the caller is + requesting, and it must match one of the + languages specified in SupportedLanguages. The + number of languages supported by a driver is up + to the driver writer. Language is specified in + RFC 4646 or ISO 639-2 language code format. + @param[out] ControllerName A pointer to the Unicode string to return. + This Unicode string is the name of the + controller specified by ControllerHandle and + ChildHandle in the language specified by + Language from the point of view of the driver + specified by This. + + @retval EFI_SUCCESS The Unicode string for the user readable name + in the language specified by Language for the + driver specified by This was returned in + DriverName. + @retval EFI_INVALID_PARAMETER ControllerHandle is NULL. + @retval EFI_INVALID_PARAMETER ChildHandle is not NULL and it is not a valid + EFI_HANDLE. + @retval EFI_INVALID_PARAMETER Language is NULL. + @retval EFI_INVALID_PARAMETER ControllerName is NULL. + @retval EFI_UNSUPPORTED The driver specified by This is not currently + managing the controller specified by + ControllerHandle and ChildHandle. + @retval EFI_UNSUPPORTED The driver specified by This does not support + the language specified by Language. + +**/ +EFI_STATUS +EFIAPI +SioBusComponentNameGetControllerName ( + IN EFI_COMPONENT_NAME_PROTOCOL *This, + IN EFI_HANDLE ControllerHandle, + IN EFI_HANDLE ChildHandle OPTIONAL, + IN CHAR8 *Language, + OUT CHAR16 **ControllerName + ); + + +// +// Driver Binding Protocol interfaces +// + +/** + Tests to see if this driver supports a given controller. If a child device is + provided, it further tests to see if this driver supports creating a handle + for the specified child device. + + This function checks to see if the driver specified by This supports the + device specified by ControllerHandle. Drivers will typically use the device + path attached to ControllerHandle and/or the services from the bus I/O + abstraction attached to ControllerHandle to determine if the driver supports + ControllerHandle. This function may be called many times during platform + initialization. In order to reduce boot times, the tests performed by this + function must be very small, and take as little time as possible to execute. + This function must not change the state of any hardware devices, and this + function must be aware that the device specified by ControllerHandle may + already be managed by the same driver or a different driver. This function + must match its calls to AllocatePages() with FreePages(), AllocatePool() with + FreePool(), and OpenProtocol() with CloseProtocol(). Since ControllerHandle + may have been previously started by the same driver, if a protocol is already + in the opened state, then it must not be closed with CloseProtocol(). This is + required to guarantee the state of ControllerHandle is not modified by this + function. + + @param[in] This A pointer to the EFI_DRIVER_BINDING_PROTOCOL + instance. + @param[in] ControllerHandle The handle of the controller to test. This + handle must support a protocol interface + that supplies an I/O abstraction to the + driver. + @param[in] RemainingDevicePath A pointer to the remaining portion of a + device path. This parameter is ignored by + device drivers, and is optional for bus + drivers. For bus drivers, if this parameter + is not NULL, then the bus driver must + determine if the bus controller specified by + ControllerHandle and the child controller + specified by RemainingDevicePath are both + supported by this bus driver. + + @retval EFI_SUCCESS The device specified by ControllerHandle and + RemainingDevicePath is supported by the + driver specified by This. + @retval EFI_ALREADY_STARTED The device specified by ControllerHandle and + RemainingDevicePath is already being managed + by the driver specified by This. + @retval EFI_ACCESS_DENIED The device specified by ControllerHandle and + RemainingDevicePath is already being managed + by a different driver or an application that + requires exclusive access. + @retval EFI_UNSUPPORTED The device specified by ControllerHandle and + RemainingDevicePath is not supported by the + driver specified by This. + +**/ +EFI_STATUS +EFIAPI +SioBusDriverBindingSupported ( + IN EFI_DRIVER_BINDING_PROTOCOL *This, + IN EFI_HANDLE Controller, + IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath + ); + +/** + Starts a device controller or a bus controller. + + The Start() function is designed to be invoked from the EFI boot service + ConnectController(). As a result, much of the error checking on the + parameters to Start() has been moved into this common boot service. It is + legal to call Start() from other locations, but the following calling + restrictions must be followed or the system behavior will not be + deterministic. + 1. ControllerHandle must be a valid EFI_HANDLE. + 2. If RemainingDevicePath is not NULL, then it must be a pointer to a + naturally aligned EFI_DEVICE_PATH_PROTOCOL. + 3. Prior to calling Start(), the Supported() function for the driver + specified by This must have been called with the same calling parameters, + and Supported() must have returned EFI_SUCCESS. + + @param[in] This A pointer to the EFI_DRIVER_BINDING_PROTOCOL + instance. + @param[in] ControllerHandle The handle of the controller to start. This + handle must support a protocol interface + that supplies an I/O abstraction to the + driver. + @param[in] RemainingDevicePath A pointer to the remaining portion of a + device path. This parameter is ignored by + device drivers, and is optional for bus + drivers. For a bus driver, if this parameter + is NULL, then handles for all the children + of Controller are created by this driver. If + this parameter is not NULL and the first + Device Path Node is not the End of Device + Path Node, then only the handle for the + child device specified by the first Device + Path Node of RemainingDevicePath is created + by this driver. If the first Device Path + Node of RemainingDevicePath is the End of + Device Path Node, no child handle is created + by this driver. + + @retval EFI_SUCCESS The device was started. + @retval EFI_DEVICE_ERROR The device could not be started due to a + device error. + @retval EFI_OUT_OF_RESOURCES The request could not be completed due to a + lack of resources. + @retval Others The driver failded to start the device. + +**/ +EFI_STATUS +EFIAPI +SioBusDriverBindingStart ( + IN EFI_DRIVER_BINDING_PROTOCOL *This, + IN EFI_HANDLE Controller, + IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath + ); + +/** + Stops a device controller or a bus controller. + + The Stop() function is designed to be invoked from the EFI boot service + DisconnectController(). As a result, much of the error checking on the + parameters to Stop() has been moved into this common boot service. It is + legal to call Stop() from other locations, but the following calling + restrictions must be followed or the system behavior will not be + deterministic. + 1. ControllerHandle must be a valid EFI_HANDLE that was used on a previous + call to this same driver's Start() function. + 2. The first NumberOfChildren handles of ChildHandleBuffer must all be a + valid EFI_HANDLE. In addition, all of these handles must have been created + in this driver's Start() function, and the Start() function must have + called OpenProtocol() on ControllerHandle with an Attribute of + EFI_OPEN_PROTOCOL_BY_CHILD_CONTROLLER. + + @param[in] This A pointer to the EFI_DRIVER_BINDING_PROTOCOL + instance. + @param[in] ControllerHandle A handle to the device being stopped. The + handle must support a bus specific I/O + protocol for the driver to use to stop the + device. + @param[in] NumberOfChildren The number of child device handles in + ChildHandleBuffer. + @param[in] ChildHandleBuffer An array of child handles to be freed. May be + NULL if NumberOfChildren is 0. + + @retval EFI_SUCCESS The device was stopped. + @retval EFI_DEVICE_ERROR The device could not be stopped due to a + device error. + +**/ +EFI_STATUS +EFIAPI +SioBusDriverBindingStop ( + IN EFI_DRIVER_BINDING_PROTOCOL *This, + IN EFI_HANDLE Controller, + IN UINTN NumberOfChildren, + IN EFI_HANDLE *ChildHandleBuffer + ); + +#endif // __SIO_BUS_DXE_H__ -- cgit 1.2.3-korg