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Diffstat (limited to 'src/vendorcode/intel/edk2/UDK2017/MdePkg/Include/Protocol/PciHostBridgeResourceAllocation.h')
| -rw-r--r-- | src/vendorcode/intel/edk2/UDK2017/MdePkg/Include/Protocol/PciHostBridgeResourceAllocation.h | 428 |
1 files changed, 428 insertions, 0 deletions
diff --git a/src/vendorcode/intel/edk2/UDK2017/MdePkg/Include/Protocol/PciHostBridgeResourceAllocation.h b/src/vendorcode/intel/edk2/UDK2017/MdePkg/Include/Protocol/PciHostBridgeResourceAllocation.h new file mode 100644 index 0000000000..2d41ac1529 --- /dev/null +++ b/src/vendorcode/intel/edk2/UDK2017/MdePkg/Include/Protocol/PciHostBridgeResourceAllocation.h @@ -0,0 +1,428 @@ +/** @file + This file declares PCI Host Bridge Resource Allocation Protocol which + provides the basic interfaces to abstract a PCI host bridge resource allocation. + This protocol is mandatory if the system includes PCI devices. + +Copyright (c) 2007 - 2010, Intel Corporation. All rights reserved.<BR> +This program and the accompanying materials are licensed and made available under +the terms and conditions of the BSD License that 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. + + @par Revision Reference: + This Protocol is defined in UEFI Platform Initialization Specification 1.2 + Volume 5: Standards. + +**/ + +#ifndef _PCI_HOST_BRIDGE_RESOURCE_ALLOCATION_H_ +#define _PCI_HOST_BRIDGE_RESOURCE_ALLOCATION_H_ + +// +// This file must be included because EFI_PCI_HOST_BRIDGE_RESOURCE_ALLOCATION_PROTOCOL +// uses EFI_PCI_ROOT_BRIDGE_IO_PROTOCOL_PCI_ADDRESS +// +#include <Protocol/PciRootBridgeIo.h> + +/// +/// Global ID for the EFI_PCI_HOST_BRIDGE_RESOURCE_ALLOCATION_PROTOCOL. +/// +#define EFI_PCI_HOST_BRIDGE_RESOURCE_ALLOCATION_PROTOCOL_GUID \ + { \ + 0xCF8034BE, 0x6768, 0x4d8b, {0xB7,0x39,0x7C,0xCE,0x68,0x3A,0x9F,0xBE } \ + } + +/// +/// Forward declaration for EFI_PCI_HOST_BRIDGE_RESOURCE_ALLOCATION_PROTOCOL. +/// +typedef struct _EFI_PCI_HOST_BRIDGE_RESOURCE_ALLOCATION_PROTOCOL EFI_PCI_HOST_BRIDGE_RESOURCE_ALLOCATION_PROTOCOL; + +/// If this bit is set, then the PCI Root Bridge does not +/// support separate windows for Non-prefetchable and Prefetchable +/// memory. A PCI bus driver needs to include requests for Prefetchable +/// memory in the Non-prefetchable memory pool. +/// +#define EFI_PCI_HOST_BRIDGE_COMBINE_MEM_PMEM 1 + +/// +/// If this bit is set, then the PCI Root Bridge supports +/// 64 bit memory windows. If this bit is not set, +/// the PCI bus driver needs to include requests for 64 bit +/// memory address in the corresponding 32 bit memory pool. +/// +#define EFI_PCI_HOST_BRIDGE_MEM64_DECODE 2 + +/// +/// A UINT64 value that contains the status of a PCI resource requested +/// in the Configuration parameter returned by GetProposedResources() +/// The legal values are EFI_RESOURCE_SATISFIED and EFI_RESOURCE_NOT_SATISFIED +/// +typedef UINT64 EFI_RESOURCE_ALLOCATION_STATUS; + +/// +/// The request of this resource type could be fulfilled. Used in the +/// Configuration parameter returned by GetProposedResources() to identify +/// a PCI resources request that can be satisfied. +/// +#define EFI_RESOURCE_SATISFIED 0x0000000000000000ULL + +/// +/// The request of this resource type could not be fulfilled for its +/// absence in the host bridge resource pool. Used in the Configuration parameter +/// returned by GetProposedResources() to identify a PCI resources request that +/// can not be satisfied. +/// +#define EFI_RESOURCE_NOT_SATISFIED 0xFFFFFFFFFFFFFFFFULL + +/// +/// This enum is used to specify the phase of the PCI enumaeration process. +/// +typedef enum { + /// + /// Reset the host bridge PCI apertures and internal data structures. + /// PCI enumerator should issue this notification before starting fresh + /// enumeration process. Enumeration cannot be restarted after sending + /// any other notification such as EfiPciHostBridgeBeginBusAllocation. + /// + EfiPciHostBridgeBeginEnumeration, + + /// + /// The bus allocation phase is about to begin. No specific action + /// is required here. This notification can be used to perform any + /// chipset specific programming. + /// + EfiPciHostBridgeBeginBusAllocation, + + /// + /// The bus allocation and bus programming phase is complete. No specific + /// action is required here. This notification can be used to perform any + /// chipset specific programming. + /// + EfiPciHostBridgeEndBusAllocation, + + /// + /// The resource allocation phase is about to begin.No specific action is + /// required here. This notification can be used to perform any chipset specific programming. + /// + EfiPciHostBridgeBeginResourceAllocation, + + /// + /// Allocate resources per previously submitted requests for all the PCI Root + /// Bridges. These resource settings are returned on the next call to + /// GetProposedResources(). + /// + EfiPciHostBridgeAllocateResources, + + /// + /// Program the Host Bridge hardware to decode previously allocated resources + /// (proposed resources) for all the PCI Root Bridges. + /// + EfiPciHostBridgeSetResources, + + /// + /// De-allocate previously allocated resources previously for all the PCI + /// Root Bridges and reset the I/O and memory apertures to initial state. + /// + EfiPciHostBridgeFreeResources, + + /// + /// The resource allocation phase is completed. No specific action is required + /// here. This notification can be used to perform any chipset specific programming. + /// + EfiPciHostBridgeEndResourceAllocation, + + /// + /// The Host Bridge Enumeration is completed. No specific action is required here. + /// This notification can be used to perform any chipset specific programming. + /// + EfiPciHostBridgeEndEnumeration, + EfiMaxPciHostBridgeEnumerationPhase +} EFI_PCI_HOST_BRIDGE_RESOURCE_ALLOCATION_PHASE; + +/// +/// Definitions of 2 notification points. +/// +typedef enum { + /// + /// This notification is only applicable to PCI-PCI bridges and + /// indicates that the PCI enumerator is about to begin enumerating + /// the bus behind the PCI-PCI Bridge. This notification is sent after + /// the primary bus number, the secondary bus number and the subordinate + /// bus number registers in the PCI-PCI Bridge are programmed to valid + /// (not necessary final) values + /// + EfiPciBeforeChildBusEnumeration, + + /// + /// This notification is sent before the PCI enumerator probes BAR registers + /// for every valid PCI function. + /// + EfiPciBeforeResourceCollection +} EFI_PCI_CONTROLLER_RESOURCE_ALLOCATION_PHASE; + +/** + These are the notifications from the PCI bus driver that it is about to enter a certain phase of the PCI + enumeration process. + + @param[in] This The pointer to the EFI_PCI_HOST_BRIDGE_RESOURCE_ALLOCATION_PROTOCOL + instance. + @param[in] Phase The phase during enumeration. + + @retval EFI_SUCCESS The notification was accepted without any errors. + @retval EFI_INVALID_PARAMETER The Phase is invalid. + @retval EFI_NOT_READY This phase cannot be entered at this time. For example, this error + is valid for a Phase of EfiPciHostBridgeAllocateResources if + SubmitResources() has not been called for one or more + PCI root bridges before this call. + @retval EFI_DEVICE_ERROR Programming failed due to a hardware error. This error is valid for + a Phase of EfiPciHostBridgeSetResources. + @retval EFI_OUT_OF_RESOURCES The request could not be completed due to a lack of resources. + This error is valid for a Phase of EfiPciHostBridgeAllocateResources + if the previously submitted resource requests cannot be fulfilled or were only + partially fulfilled + +**/ +typedef +EFI_STATUS +(EFIAPI *EFI_PCI_HOST_BRIDGE_RESOURCE_ALLOCATION_PROTOCOL_NOTIFY_PHASE)( + IN EFI_PCI_HOST_BRIDGE_RESOURCE_ALLOCATION_PROTOCOL *This, + IN EFI_PCI_HOST_BRIDGE_RESOURCE_ALLOCATION_PHASE Phase + ); + +/** + Returns the device handle of the next PCI root bridge that is associated with this host bridge. + + @param[in] This The pointer to the EFI_PCI_HOST_BRIDGE_RESOURCE_ALLOCATION_PROTOCOL + instance. + @param[in,out] RootBridgeHandle Returns the device handle of the next PCI root bridge. On input, it holds the + RootBridgeHandle that was returned by the most recent call to + GetNextRootBridge(). If RootBridgeHandle is NULL on input, the handle + for the first PCI root bridge is returned. + + @retval EFI_SUCCESS The requested attribute information was returned. + @retval EFI_INVALID_PARAMETER RootBridgeHandle is not an EFI_HANDLE that was returned + on a previous call to GetNextRootBridge(). + @retval EFI_NOT_FOUND There are no more PCI root bridge device handles. + +**/ +typedef +EFI_STATUS +(EFIAPI *EFI_PCI_HOST_BRIDGE_RESOURCE_ALLOCATION_PROTOCOL_GET_NEXT_ROOT_BRIDGE)( + IN EFI_PCI_HOST_BRIDGE_RESOURCE_ALLOCATION_PROTOCOL *This, + IN OUT EFI_HANDLE *RootBridgeHandle + ); + +/** + Returns the allocation attributes of a PCI root bridge. + + @param[in] This The pointer to the EFI_PCI_HOST_BRIDGE_RESOURCE_ALLOCATION_PROTOCOL + instance. + @param[in] RootBridgeHandle The device handle of the PCI root bridge in which the caller is interested. + @param[out] Attribute The pointer to attributes of the PCI root bridge. + + @retval EFI_SUCCESS The requested attribute information was returned. + @retval EFI_INVALID_PARAMETER RootBridgeHandle is not a valid root bridge handle. + @retval EFI_INVALID_PARAMETER Attributes is NULL. + +**/ +typedef +EFI_STATUS +(EFIAPI *EFI_PCI_HOST_BRIDGE_RESOURCE_ALLOCATION_PROTOCOL_GET_ATTRIBUTES)( + IN EFI_PCI_HOST_BRIDGE_RESOURCE_ALLOCATION_PROTOCOL *This, + IN EFI_HANDLE RootBridgeHandle, + OUT UINT64 *Attributes + ); + +/** + Sets up the specified PCI root bridge for the bus enumeration process. + + @param[in] This The pointer to the EFI_PCI_HOST_BRIDGE_RESOURCE_ALLOCATION_PROTOCOL + instance. + @param[in] RootBridgeHandle The PCI root bridge to be set up. + @param[out] Configuration The pointer to the pointer to the PCI bus resource descriptor. + + @retval EFI_SUCCESS The PCI root bridge was set up and the bus range was returned in + Configuration. + @retval EFI_INVALID_PARAMETER RootBridgeHandle is not a valid root bridge handle. + @retval EFI_DEVICE_ERROR Programming failed due to a hardware error. + @retval EFI_OUT_OF_RESOURCES The request could not be completed due to a lack of resources. + +**/ +typedef +EFI_STATUS +(EFIAPI *EFI_PCI_HOST_BRIDGE_RESOURCE_ALLOCATION_PROTOCOL_START_BUS_ENUMERATION)( + IN EFI_PCI_HOST_BRIDGE_RESOURCE_ALLOCATION_PROTOCOL *This, + IN EFI_HANDLE RootBridgeHandle, + OUT VOID **Configuration + ); + +/** + Programs the PCI root bridge hardware so that it decodes the specified PCI bus range. + + @param[in] This The pointer to the EFI_PCI_HOST_BRIDGE_RESOURCE_ALLOCATION_PROTOCOL + instance. + @param[in] RootBridgeHandle The PCI root bridge whose bus range is to be programmed. + @param[in] Configuration The pointer to the PCI bus resource descriptor. + + @retval EFI_SUCCESS The bus range for the PCI root bridge was programmed. + @retval EFI_INVALID_PARAMETER RootBridgeHandle is not a valid root bridge handle. + @retval EFI_INVALID_PARAMETER Configuration is NULL + @retval EFI_INVALID_PARAMETER Configuration does not point to a valid ACPI (2.0 & 3.0) + resource descriptor. + @retval EFI_INVALID_PARAMETER Configuration does not include a valid ACPI 2.0 bus resource + descriptor. + @retval EFI_INVALID_PARAMETER Configuration includes valid ACPI (2.0 & 3.0) resource + descriptors other than bus descriptors. + @retval EFI_INVALID_PARAMETER Configuration contains one or more invalid ACPI resource + descriptors. + @retval EFI_INVALID_PARAMETER "Address Range Minimum" is invalid for this root bridge. + @retval EFI_INVALID_PARAMETER "Address Range Length" is invalid for this root bridge. + @retval EFI_DEVICE_ERROR Programming failed due to a hardware error. + +**/ +typedef +EFI_STATUS +(EFIAPI *EFI_PCI_HOST_BRIDGE_RESOURCE_ALLOCATION_PROTOCOL_SET_BUS_NUMBERS)( + IN EFI_PCI_HOST_BRIDGE_RESOURCE_ALLOCATION_PROTOCOL *This, + IN EFI_HANDLE RootBridgeHandle, + IN VOID *Configuration + ); + +/** + Submits the I/O and memory resource requirements for the specified PCI root bridge. + + @param[in] This The pointer to the EFI_PCI_HOST_BRIDGE_RESOURCE_ALLOCATION_PROTOCOL + instance. + @param[in] RootBridgeHandle The PCI root bridge whose I/O and memory resource requirements are being + submitted. + @param[in] Configuration The pointer to the PCI I/O and PCI memory resource descriptor. + + @retval EFI_SUCCESS The I/O and memory resource requests for a PCI root bridge were + accepted. + @retval EFI_INVALID_PARAMETER RootBridgeHandle is not a valid root bridge handle. + @retval EFI_INVALID_PARAMETER Configuration is NULL. + @retval EFI_INVALID_PARAMETER Configuration does not point to a valid ACPI (2.0 & 3.0) + resource descriptor. + @retval EFI_INVALID_PARAMETER Configuration includes requests for one or more resource + types that are not supported by this PCI root bridge. This error will + happen if the caller did not combine resources according to + Attributes that were returned by GetAllocAttributes(). + @retval EFI_INVALID_PARAMETER "Address Range Maximum" is invalid. + @retval EFI_INVALID_PARAMETER "Address Range Length" is invalid for this PCI root bridge. + @retval EFI_INVALID_PARAMETER "Address Space Granularity" is invalid for this PCI root bridge. + +**/ +typedef +EFI_STATUS +(EFIAPI *EFI_PCI_HOST_BRIDGE_RESOURCE_ALLOCATION_PROTOCOL_SUBMIT_RESOURCES)( + IN EFI_PCI_HOST_BRIDGE_RESOURCE_ALLOCATION_PROTOCOL *This, + IN EFI_HANDLE RootBridgeHandle, + IN VOID *Configuration + ); + +/** + Returns the proposed resource settings for the specified PCI root bridge. + + @param[in] This The pointer to the EFI_PCI_HOST_BRIDGE_RESOURCE_ALLOCATION_PROTOCOL + instance. + @param[in] RootBridgeHandle The PCI root bridge handle. + @param[out] Configuration The pointer to the pointer to the PCI I/O and memory resource descriptor. + + @retval EFI_SUCCESS The requested parameters were returned. + @retval EFI_INVALID_PARAMETER RootBridgeHandle is not a valid root bridge handle. + @retval EFI_DEVICE_ERROR Programming failed due to a hardware error. + @retval EFI_OUT_OF_RESOURCES The request could not be completed due to a lack of resources. + +**/ +typedef +EFI_STATUS +(EFIAPI *EFI_PCI_HOST_BRIDGE_RESOURCE_ALLOCATION_PROTOCOL_GET_PROPOSED_RESOURCES)( + IN EFI_PCI_HOST_BRIDGE_RESOURCE_ALLOCATION_PROTOCOL *This, + IN EFI_HANDLE RootBridgeHandle, + OUT VOID **Configuration + ); + +/** + Provides the hooks from the PCI bus driver to every PCI controller (device/function) at various + stages of the PCI enumeration process that allow the host bridge driver to preinitialize individual + PCI controllers before enumeration. + + @param[in] This The pointer to the EFI_PCI_HOST_BRIDGE_RESOURCE_ALLOCATION_PROTOCOL instance. + @param[in] RootBridgeHandle The associated PCI root bridge handle. + @param[in] PciAddress The address of the PCI device on the PCI bus. + @param[in] Phase The phase of the PCI device enumeration. + + @retval EFI_SUCCESS The requested parameters were returned. + @retval EFI_INVALID_PARAMETER RootBridgeHandle is not a valid root bridge handle. + @retval EFI_INVALID_PARAMETER Phase is not a valid phase that is defined in + EFI_PCI_CONTROLLER_RESOURCE_ALLOCATION_PHASE. + @retval EFI_DEVICE_ERROR Programming failed due to a hardware error. The PCI enumerator + should not enumerate this device, including its child devices if it is + a PCI-to-PCI bridge. + +**/ +typedef +EFI_STATUS +(EFIAPI *EFI_PCI_HOST_BRIDGE_RESOURCE_ALLOCATION_PROTOCOL_PREPROCESS_CONTROLLER)( + IN EFI_PCI_HOST_BRIDGE_RESOURCE_ALLOCATION_PROTOCOL *This, + IN EFI_HANDLE RootBridgeHandle, + IN EFI_PCI_ROOT_BRIDGE_IO_PROTOCOL_PCI_ADDRESS PciAddress, + IN EFI_PCI_CONTROLLER_RESOURCE_ALLOCATION_PHASE Phase + ); + +/// +/// Provides the basic interfaces to abstract a PCI host bridge resource allocation. +/// +struct _EFI_PCI_HOST_BRIDGE_RESOURCE_ALLOCATION_PROTOCOL { + /// + /// The notification from the PCI bus enumerator that it is about to enter + /// a certain phase during the enumeration process. + /// + EFI_PCI_HOST_BRIDGE_RESOURCE_ALLOCATION_PROTOCOL_NOTIFY_PHASE NotifyPhase; + + /// + /// Retrieves the device handle for the next PCI root bridge that is produced by the + /// host bridge to which this instance of the EFI_PCI_HOST_BRIDGE_RESOURCE_ALLOCATION_PROTOCOL is attached. + /// + EFI_PCI_HOST_BRIDGE_RESOURCE_ALLOCATION_PROTOCOL_GET_NEXT_ROOT_BRIDGE GetNextRootBridge; + + /// + /// Retrieves the allocation-related attributes of a PCI root bridge. + /// + EFI_PCI_HOST_BRIDGE_RESOURCE_ALLOCATION_PROTOCOL_GET_ATTRIBUTES GetAllocAttributes; + + /// + /// Sets up a PCI root bridge for bus enumeration. + /// + EFI_PCI_HOST_BRIDGE_RESOURCE_ALLOCATION_PROTOCOL_START_BUS_ENUMERATION StartBusEnumeration; + + /// + /// Sets up the PCI root bridge so that it decodes a specific range of bus numbers. + /// + EFI_PCI_HOST_BRIDGE_RESOURCE_ALLOCATION_PROTOCOL_SET_BUS_NUMBERS SetBusNumbers; + + /// + /// Submits the resource requirements for the specified PCI root bridge. + /// + EFI_PCI_HOST_BRIDGE_RESOURCE_ALLOCATION_PROTOCOL_SUBMIT_RESOURCES SubmitResources; + + /// + /// Returns the proposed resource assignment for the specified PCI root bridges. + /// + EFI_PCI_HOST_BRIDGE_RESOURCE_ALLOCATION_PROTOCOL_GET_PROPOSED_RESOURCES GetProposedResources; + + /// + /// Provides hooks from the PCI bus driver to every PCI controller + /// (device/function) at various stages of the PCI enumeration process that + /// allow the host bridge driver to preinitialize individual PCI controllers + /// before enumeration. + /// + EFI_PCI_HOST_BRIDGE_RESOURCE_ALLOCATION_PROTOCOL_PREPROCESS_CONTROLLER PreprocessController; +}; + +extern EFI_GUID gEfiPciHostBridgeResourceAllocationProtocolGuid; + +#endif |