diff options
Diffstat (limited to 'src/VBox/Devices/EFI/Firmware/MdeModulePkg/Bus/Pci/UfsPciHcDxe/UfsPciHcDxe.h')
-rw-r--r-- | src/VBox/Devices/EFI/Firmware/MdeModulePkg/Bus/Pci/UfsPciHcDxe/UfsPciHcDxe.h | 503 |
1 files changed, 503 insertions, 0 deletions
diff --git a/src/VBox/Devices/EFI/Firmware/MdeModulePkg/Bus/Pci/UfsPciHcDxe/UfsPciHcDxe.h b/src/VBox/Devices/EFI/Firmware/MdeModulePkg/Bus/Pci/UfsPciHcDxe/UfsPciHcDxe.h new file mode 100644 index 00000000..485fbf12 --- /dev/null +++ b/src/VBox/Devices/EFI/Firmware/MdeModulePkg/Bus/Pci/UfsPciHcDxe/UfsPciHcDxe.h @@ -0,0 +1,503 @@ +/** @file + UfsHcDxe driver is used to provide platform-dependent info, mainly UFS host controller + MMIO base, to upper layer UFS drivers. + + Copyright (c) 2014 - 2018, Intel Corporation. All rights reserved.<BR> + SPDX-License-Identifier: BSD-2-Clause-Patent + +**/ + +#ifndef _EFI_UFS_HOST_CONTROLLER_H_ +#define _EFI_UFS_HOST_CONTROLLER_H_ + +#include <Uefi.h> + +#include <IndustryStandard/Pci.h> +#include <IndustryStandard/Acpi.h> + +#include <Protocol/ComponentName.h> +#include <Protocol/ComponentName2.h> +#include <Protocol/DriverBinding.h> +#include <Protocol/LoadedImage.h> +#include <Protocol/DevicePath.h> +#include <Protocol/PciIo.h> +#include <Protocol/UfsHostController.h> + +#include <Library/BaseLib.h> +#include <Library/DebugLib.h> +#include <Library/UefiLib.h> +#include <Library/MemoryAllocationLib.h> +#include <Library/UefiBootServicesTableLib.h> +#include <Library/UefiDriverEntryPoint.h> + +extern EFI_DRIVER_BINDING_PROTOCOL gUfsHcDriverBinding; +extern EFI_COMPONENT_NAME_PROTOCOL gUfsHcComponentName; +extern EFI_COMPONENT_NAME2_PROTOCOL gUfsHcComponentName2; + +// +// Unique signature for private data structure. +// +#define UFS_HC_PRIVATE_DATA_SIGNATURE SIGNATURE_32 ('U','F','S','H') + +typedef struct _UFS_HOST_CONTROLLER_PRIVATE_DATA UFS_HOST_CONTROLLER_PRIVATE_DATA; + +// +// Ufs host controller private data structure. +// +struct _UFS_HOST_CONTROLLER_PRIVATE_DATA { + UINT32 Signature; + + EDKII_UFS_HOST_CONTROLLER_PROTOCOL UfsHc; + EFI_PCI_IO_PROTOCOL *PciIo; + UINT8 BarIndex; + UINT64 PciAttributes; +}; + +#define UFS_HOST_CONTROLLER_PRIVATE_DATA_FROM_UFSHC(a) \ + CR (a, \ + UFS_HOST_CONTROLLER_PRIVATE_DATA, \ + UfsHc, \ + UFS_HC_PRIVATE_DATA_SIGNATURE \ + ) + +/** + 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 This[in] A pointer to the EFI_COMPONENT_NAME2_PROTOCOL or + EFI_COMPONENT_NAME_PROTOCOL instance. + + @param Language[in] 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 DriverName[out] 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 +UfsHcComponentNameGetDriverName ( + 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 This[in] A pointer to the EFI_COMPONENT_NAME2_PROTOCOL or + EFI_COMPONENT_NAME_PROTOCOL instance. + + @param ControllerHandle[in] 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 ChildHandle[in] 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 Language[in] 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 ControllerName[out] 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 +UfsHcComponentNameGetControllerName ( + IN EFI_COMPONENT_NAME_PROTOCOL *This, + IN EFI_HANDLE ControllerHandle, + IN EFI_HANDLE ChildHandle OPTIONAL, + IN CHAR8 *Language, + OUT CHAR16 **ControllerName + ); + +/** + 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. + Currently not implemented. + @retval EFI_UNSUPPORTED The device specified by ControllerHandle and + RemainingDevicePath is not supported by the driver specified by This. +**/ +EFI_STATUS +EFIAPI +UfsHcDriverBindingSupported ( + 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.Currently not implemented. + @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 +UfsHcDriverBindingStart ( + 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 +UfsHcDriverBindingStop ( + IN EFI_DRIVER_BINDING_PROTOCOL *This, + IN EFI_HANDLE Controller, + IN UINTN NumberOfChildren, + IN EFI_HANDLE *ChildHandleBuffer + ); + +/** + Get the MMIO base of the UFS host controller. + + @param[in] This A pointer to the EFI_UFS_HOST_CONTROLLER_PROTOCOL instance. + @param[out] MmioBar The MMIO base address of UFS host controller. + + @retval EFI_SUCCESS The operation succeeds. + @retval others The operation fails. +**/ +EFI_STATUS +EFIAPI +UfsHcGetMmioBar ( + IN EDKII_UFS_HOST_CONTROLLER_PROTOCOL *This, + OUT UINTN *MmioBar + ); + +/** + Provides the UFS controller-specific addresses needed to access system memory. + + @param This A pointer to the EFI_UFS_HOST_CONTROLLER_PROTOCOL instance. + @param Operation Indicates if the bus master is going to read or write to system memory. + @param HostAddress The system memory address to map to the UFS controller. + @param NumberOfBytes On input the number of bytes to map. On output the number of bytes + that were mapped. + @param DeviceAddress The resulting map address for the bus master UFS controller to use to + access the hosts HostAddress. + @param Mapping A resulting value to pass to Unmap(). + + @retval EFI_SUCCESS The range was mapped for the returned NumberOfBytes. + @retval EFI_UNSUPPORTED The HostAddress cannot be mapped as a common buffer. + @retval EFI_INVALID_PARAMETER 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_DEVICE_ERROR The system hardware could not map the requested address. + +**/ +EFI_STATUS +EFIAPI +UfsHcMap ( + IN EDKII_UFS_HOST_CONTROLLER_PROTOCOL *This, + IN EDKII_UFS_HOST_CONTROLLER_OPERATION Operation, + IN VOID *HostAddress, + IN OUT UINTN *NumberOfBytes, + OUT EFI_PHYSICAL_ADDRESS *DeviceAddress, + OUT VOID **Mapping + ); + +/** + Completes the Map() operation and releases any corresponding resources. + + @param This A pointer to the EFI_UFS_HOST_CONTROLLER_PROTOCOL instance. + @param Mapping The mapping value returned from Map(). + + @retval EFI_SUCCESS The range was unmapped. + @retval EFI_DEVICE_ERROR The data was not committed to the target system memory. + +**/ +EFI_STATUS +EFIAPI +UfsHcUnmap ( + IN EDKII_UFS_HOST_CONTROLLER_PROTOCOL *This, + IN VOID *Mapping + ); + +/** + Allocates pages that are suitable for an EfiUfsHcOperationBusMasterCommonBuffer + mapping. + + @param This A pointer to the EFI_UFS_HOST_CONTROLLER_PROTOCOL instance. + @param Type This parameter is not used and must be ignored. + @param MemoryType The type of memory to allocate, EfiBootServicesData or + EfiRuntimeServicesData. + @param Pages The number of pages to allocate. + @param HostAddress A pointer to store the base system memory address of the + allocated range. + @param Attributes The requested bit mask of attributes for the allocated range. + + @retval EFI_SUCCESS The requested memory pages were allocated. + @retval EFI_UNSUPPORTED Attributes is unsupported. The only legal attribute bits are + MEMORY_WRITE_COMBINE and MEMORY_CACHED. + @retval EFI_INVALID_PARAMETER One or more parameters are invalid. + @retval EFI_OUT_OF_RESOURCES The memory pages could not be allocated. + +**/ +EFI_STATUS +EFIAPI +UfsHcAllocateBuffer ( + IN EDKII_UFS_HOST_CONTROLLER_PROTOCOL *This, + IN EFI_ALLOCATE_TYPE Type, + IN EFI_MEMORY_TYPE MemoryType, + IN UINTN Pages, + OUT VOID **HostAddress, + IN UINT64 Attributes + ); + +/** + Frees memory that was allocated with AllocateBuffer(). + + @param This A pointer to the EFI_UFS_HOST_CONTROLLER_PROTOCOL instance. + @param Pages The number of pages to free. + @param HostAddress The base system memory address of the allocated range. + + @retval EFI_SUCCESS The requested memory pages were freed. + @retval EFI_INVALID_PARAMETER The memory range specified by HostAddress and Pages + was not allocated with AllocateBuffer(). + +**/ +EFI_STATUS +EFIAPI +UfsHcFreeBuffer ( + IN EDKII_UFS_HOST_CONTROLLER_PROTOCOL *This, + IN UINTN Pages, + IN VOID *HostAddress + ); + +/** + Flushes all posted write transactions from the UFS bus to attached UFS device. + + @param This A pointer to the EFI_UFS_HOST_CONTROLLER_PROTOCOL instance. + + @retval EFI_SUCCESS The posted write transactions were flushed from the UFS bus + to attached UFS device. + @retval EFI_DEVICE_ERROR The posted write transactions were not flushed from the UFS + bus to attached UFS device due to a hardware error. + +**/ +EFI_STATUS +EFIAPI +UfsHcFlush ( + IN EDKII_UFS_HOST_CONTROLLER_PROTOCOL *This + ); + +/** + Enable a UFS bus driver to access UFS MMIO registers in the UFS Host Controller memory space. + + @param This A pointer to the EDKII_UFS_HOST_CONTROLLER_PROTOCOL instance. + @param Width Signifies the width of the memory operations. + @param Offset The offset within the UFS Host Controller MMIO space to start the + memory operation. + @param Count The number of memory operations to perform. + @param Buffer For read operations, the destination buffer to store the results. + For write operations, the source buffer to write data from. + + @retval EFI_SUCCESS The data was read from or written to the UFS host controller. + @retval EFI_UNSUPPORTED The address range specified by Offset, Width, and Count is not + valid for the UFS Host Controller memory space. + @retval EFI_OUT_OF_RESOURCES The request could not be completed due to a lack of resources. + @retval EFI_INVALID_PARAMETER One or more parameters are invalid. + +**/ +EFI_STATUS +EFIAPI +UfsHcMmioRead ( + IN EDKII_UFS_HOST_CONTROLLER_PROTOCOL *This, + IN EDKII_UFS_HOST_CONTROLLER_PROTOCOL_WIDTH Width, + IN UINT64 Offset, + IN UINTN Count, + IN OUT VOID *Buffer + ); + +/** + Enable a UFS bus driver to access UFS MMIO registers in the UFS Host Controller memory space. + + @param This A pointer to the EDKII_UFS_HOST_CONTROLLER_PROTOCOL instance. + @param Width Signifies the width of the memory operations. + @param Offset The offset within the UFS Host Controller MMIO space to start the + memory operation. + @param Count The number of memory operations to perform. + @param Buffer For read operations, the destination buffer to store the results. + For write operations, the source buffer to write data from. + + @retval EFI_SUCCESS The data was read from or written to the UFS host controller. + @retval EFI_UNSUPPORTED The address range specified by Offset, Width, and Count is not + valid for the UFS Host Controller memory space. + @retval EFI_OUT_OF_RESOURCES The request could not be completed due to a lack of resources. + @retval EFI_INVALID_PARAMETER One or more parameters are invalid. + +**/ +EFI_STATUS +EFIAPI +UfsHcMmioWrite ( + IN EDKII_UFS_HOST_CONTROLLER_PROTOCOL *This, + IN EDKII_UFS_HOST_CONTROLLER_PROTOCOL_WIDTH Width, + IN UINT64 Offset, + IN UINTN Count, + IN OUT VOID *Buffer + ); + +#endif |