Re: [PATCH] RedfishPkg/RedfishDiscoverDxe: EFI Redfish Discover Protocol


Nickle Wang
 

Reviewed-by: Nickle Wang <nickle.wang@...>

Thanks,
Nickle

-----Original Message-----
From: Chang, Abner (HPS SW/FW Technologist) <abner.chang@...>
Sent: Friday, March 26, 2021 12:54 PM
To: devel@edk2.groups.io
Cc: Wang, Nickle (HPS SW) <nickle.wang@...>; Jiaxin Wu <jiaxin.wu@...>; Siyuan Fu <siyuan.fu@...>; Fan Wang <fan.wang@...>; Jiewen Yao <jiewen.yao@...>
Subject: [PATCH] RedfishPkg/RedfishDiscoverDxe: EFI Redfish Discover Protocol

EDK2 EFI Redfish Discover Protocol implementation. Refer to UEFI spec 2.9
section 31.1.

Signed-off-by: Abner Chang <abner.chang@...>
Cc: Nickle Wang <nickle.wang@...>
Cc: Jiaxin Wu <jiaxin.wu@...>
Cc: Siyuan Fu <siyuan.fu@...>
Cc: Fan Wang <fan.wang@...>
Cc: Jiewen Yao <jiewen.yao@...>
---
RedfishPkg/RedfishComponents.dsc.inc | 3 +-
RedfishPkg/Redfish.fdf.inc | 3 +-
.../RedfishDiscoverDxe/RedfishDiscoverDxe.inf | 55 +
.../RedfishDiscoverInternal.h | 234 ++
RedfishPkg/RedfishDiscoverDxe/ComponentName.c | 218 ++
.../RedfishDiscoverDxe/RedfishDiscoverDxe.c | 1910 +++++++++++++++++
.../RedfishSmbiosHostInterface.c | 118 +
7 files changed, 2539 insertions(+), 2 deletions(-)
create mode 100644 RedfishPkg/RedfishDiscoverDxe/RedfishDiscoverDxe.inf
create mode 100644 RedfishPkg/RedfishDiscoverDxe/RedfishDiscoverInternal.h
create mode 100644 RedfishPkg/RedfishDiscoverDxe/ComponentName.c
create mode 100644 RedfishPkg/RedfishDiscoverDxe/RedfishDiscoverDxe.c
create mode 100644 RedfishPkg/RedfishDiscoverDxe/RedfishSmbiosHostInterface.c

diff --git a/RedfishPkg/RedfishComponents.dsc.inc b/RedfishPkg/RedfishComponents.dsc.inc
index 08f1d3bc32..6f3b055aba 100644
--- a/RedfishPkg/RedfishComponents.dsc.inc
+++ b/RedfishPkg/RedfishComponents.dsc.inc
@@ -6,7 +6,7 @@
# of EDKII Redfish drivers according to the value of flags described in
# "RedfishDefines.dsc.inc".
#
-# (C) Copyright 2020 Hewlett Packard Enterprise Development LP<BR>
+# (C) Copyright 2021 Hewlett Packard Enterprise Development LP<BR>
#
# SPDX-License-Identifier: BSD-2-Clause-Patent
#
@@ -17,4 +17,5 @@
RedfishPkg/RedfishHostInterfaceDxe/RedfishHostInterfaceDxe.inf
RedfishPkg/RedfishRestExDxe/RedfishRestExDxe.inf
RedfishPkg/RedfishCredentialDxe/RedfishCredentialDxe.inf
+ RedfishPkg/RedfishDiscoverDxe/RedfishDiscoverDxe.inf
!endif
diff --git a/RedfishPkg/Redfish.fdf.inc b/RedfishPkg/Redfish.fdf.inc
index a64fd119a9..205c3101c0 100644
--- a/RedfishPkg/Redfish.fdf.inc
+++ b/RedfishPkg/Redfish.fdf.inc
@@ -5,7 +5,7 @@
# by using "!include RedfishPkg/RedfisLibs.fdf.inc" to specify the module instances
# to be built in the firmware volume.
#
-# (C) Copyright 2020 Hewlett Packard Enterprise Development LP<BR>
+# (C) Copyright 2021 Hewlett Packard Enterprise Development LP<BR>
#
# SPDX-License-Identifier: BSD-2-Clause-Patent
#
@@ -15,4 +15,5 @@
INF RedfishPkg/RedfishHostInterfaceDxe/RedfishHostInterfaceDxe.inf
INF RedfishPkg/RedfishRestExDxe/RedfishRestExDxe.inf
INF RedfishPkg/RedfishCredentialDxe/RedfishCredentialDxe.inf
+ INF RedfishPkg/RedfishDiscoverDxe/RedfishDiscoverDxe.inf
!endif
diff --git a/RedfishPkg/RedfishDiscoverDxe/RedfishDiscoverDxe.inf b/RedfishPkg/RedfishDiscoverDxe/RedfishDiscoverDxe.inf
new file mode 100644
index 0000000000..345bacf44d
--- /dev/null
+++ b/RedfishPkg/RedfishDiscoverDxe/RedfishDiscoverDxe.inf
@@ -0,0 +1,55 @@
+## @file
+# Implementation of EFI_REDFISH_DISCOVER_PROTOCOL interfaces.
+#
+# (C) Copyright 2021 Hewlett Packard Enterprise Development LP<BR>
+#
+# SPDX-License-Identifier: BSD-2-Clause-Patent
+#
+##
+
+[Defines]
+ INF_VERSION = 0x0001001b
+ BASE_NAME = RedfishDiscoverDxe
+ FILE_GUID = 28A76FE5-43D7-48A3-9714-C1B7BDD6DFB6
+ MODULE_TYPE = UEFI_DRIVER
+ VERSION_STRING = 1.0
+ ENTRY_POINT = RedfishDiscoverEntryPoint
+ UNLOAD_IMAGE = RedfishDiscoverUnload
+
+[Packages]
+ MdePkg/MdePkg.dec
+ MdeModulePkg/MdeModulePkg.dec
+ NetworkPkg/NetworkPkg.dec
+ RedfishPkg/RedfishPkg.dec
+
+[Sources]
+ ComponentName.c
+ RedfishDiscoverDxe.c
+ RedfishSmbiosHostInterface.c
+ RedfishDiscoverInternal.h
+
+[LibraryClasses]
+ BaseLib
+ BaseMemoryLib
+ DebugLib
+ MemoryAllocationLib
+ PrintLib
+ RestExLib
+ UefiLib
+ UefiBootServicesTableLib
+ UefiDriverEntryPoint
+
+[Protocols]
+ gEfiRestExServiceBindingProtocolGuid ## Consuming
+ gEfiRestExProtocolGuid ## Consuming
+ gEfiTcp4ServiceBindingProtocolGuid ## Consuming
+ gEfiTcp4ProtocolGuid ## Consuming
+ gEfiTcp6ServiceBindingProtocolGuid ## Consuming
+ gEfiTcp6ProtocolGuid ## Consuming
+ gEfiRedfishDiscoverProtocolGuid ## Prodcuing
+ gEfiSmbiosProtocolGuid ## Consuming
+ gEfiDriverBindingProtocolGuid ## Consuming
+
+[Pcd]
+ gEfiRedfishPkgTokenSpaceGuid.PcdRedfishDiscoverAccessModeInBand ## CONSUMES
+
diff --git a/RedfishPkg/RedfishDiscoverDxe/RedfishDiscoverInternal.h b/RedfishPkg/RedfishDiscoverDxe/RedfishDiscoverInternal.h
new file mode 100644
index 0000000000..cf69d9231a
--- /dev/null
+++ b/RedfishPkg/RedfishDiscoverDxe/RedfishDiscoverInternal.h
@@ -0,0 +1,234 @@
+/** @file
+ This file defines the EFI Redfish Discover Protocol interface.
+
+ (C) Copyright 2021 Hewlett Packard Enterprise Development LP<BR>
+
+ SPDX-License-Identifier: BSD-2-Clause-Patent
+
+**/
+
+#ifndef EFI_REDFISH_DISCOVER_INTERNAL_H_
+#define EFI_REDFISH_DISCOVER_INTERNAL_H_
+
+#include <Uefi.h>
+
+#include <Protocol/ComponentName.h>
+#include <Protocol/ComponentName2.h>
+#include <Protocol/DriverBinding.h>
+#include <Protocol/RedfishDiscover.h>
+#include <Protocol/Smbios.h>
+#include <Protocol/Tcp4.h>
+#include <Protocol/Tcp6.h>
+
+#include <Library/BaseLib.h>
+#include <Library/BaseMemoryLib.h>
+#include <Library/DebugLib.h>
+#include <Library/MemoryAllocationLib.h>
+#include <Library/NetLib.h>
+#include <Library/PrintLib.h>
+#include <Library/RestExLib.h>
+#include <Library/UefiLib.h>
+#include <Library/UefiBootServicesTableLib.h>
+#include <Library/UefiDriverEntryPoint.h>
+
+#include <IndustryStandard/RedfishHostInterface.h>
+
+#define REDFISH_DISCOVER_VERSION 0x00010000
+#define EFI_REDFISH_DISCOVER_NETWORK_INTERFACE_TPL TPL_NOTIFY
+
+//
+//GUID definitions
+//
+
+#define EFI_REDFISH_DISCOVER_TCP4_INSTANCE_GUID \
+ { \
+ 0xfbab97a4, 0x4c6a, 0xf8e8, { 0xf2, 0x25, 0x42, 0x8a, 0x80, 0x3f, 0xb6, 0xaa } \
+ }
+
+#define EFI_REDFISH_DISCOVER_TCP6_INSTANCE_GUID \
+ { \
+ 0xbe513b6d, 0x41c1, 0x96Ed, { 0x8d, 0xaf, 0x3e, 0x89, 0xc5, 0xf5, 0x02, 0x25 } \
+ }
+
+#define EFI_REDFISH_DISCOVER_REST_EX_INSTANCE_GUID \
+ { \
+ 0xc44a6076, 0xd42a, 0x4d54, { 0x85, 0x6d, 0x98, 0x8a, 0x85, 0x8f, 0xa1, 0x11 } \
+ }
+
+extern EFI_COMPONENT_NAME_PROTOCOL gRedfishDiscoverComponentName;
+extern EFI_COMPONENT_NAME2_PROTOCOL gRedfishDiscoverComponentName2;
+extern EFI_UNICODE_STRING_TABLE *gRedfishDiscoverControllerNameTable;
+
+//
+// Enumeration of network protocols
+// required for the Redfish service discovery.
+//
+typedef enum {
+ ProtocolTypeTcp4 = 0, ///< Network protocol TCPv4.
+ ProtocolTypeTcp6, ///< Network protocol TCCv6.
+ ProtocolTypeRestEx, ///< REST EX over network protocol.
+ MaxProtocolType
+} NETWORK_INTERFACE_PROTOCOL_TYPE;
+
+//
+// Network protocol information installed on
+// the network interface.
+//
+typedef struct {
+ EFI_GUID ProtocolGuid; ///< Network protocol GUID.
+ EFI_GUID ProtocolServiceGuid; ///< Network protocol service GUID.
+ UINT32 ProtocolDiscoverId; ///< The identifier installed on network protocol handle.
+ EFI_HANDLE ProtocolControllerHandle; ///< The controller handle on network protocol.
+ VOID *NetworkProtocolInterface; ///< The protocol interface of network protocol.
+} REDFISH_DISCOVER_NETWORK_INTERFACE_PROTOCOL;
+
+//
+// Internal structure used to maintain network
+// interface properties.
+//
+typedef struct {
+ LIST_ENTRY Entry; ///< Link list entry.
+ EFI_HANDLE OpenDriverAgentHandle; ///< The agent to open network protocol.
+ EFI_HANDLE OpenDriverControllerHandle; ///< The controller handle to open network protocol.
+ UINTN HwAddressSize; ///< The size of network interface hardware address.
+ EFI_MAC_ADDRESS MacAddress; ///< MAC address of network interface.
+ CHAR16 *StrMacAddr; ///< String to MAC address of network interface.
+ BOOLEAN GotSubnetInfo; ///< Indicates sub net information is retrieved.
+ EFI_IP_ADDRESS SubnetAddr; ///< Subnet ID.
+ EFI_IP_ADDRESS SubnetMask; ///< Subnet mask (IPv4 only)
+ UINT8 SubnetPrefixLength; ///< Subnet prefix.
+ UINT16 VlanId; ///< VLAN ID
+ UINT32 SubnetAddrInfoIPv6Number; ///< IPv6 address info number.
+ EFI_IP6_ADDRESS_INFO *SubnetAddrInfoIPv6; ///< IPv6 address info.
+ //
+ // Network interface protocol and REST EX infor.
+ //
+ UINT32 NetworkProtocolType; ///< Network protocol type. Refer to
+ ///< NETWORK_INTERFACE_PROTOCOL_TYPE.
+ REDFISH_DISCOVER_NETWORK_INTERFACE_PROTOCOL NetworkInterfaceProtocolInfo; ///< Network interface protocol information.
+ EFI_HANDLE RestExHandle; ///< REST EX handle associated with this network interface.
+} EFI_REDFISH_DISCOVER_NETWORK_INTERFACE_INTERNAL;
+
+//
+// Internal structure used to maintain REST EX properties.
+//
+typedef struct {
+ LIST_ENTRY Entry; ///< Link list entry.
+ EFI_HANDLE OpenDriverAgentHandle; ///< The agent to open network protocol.
+ EFI_HANDLE OpenDriverControllerHandle; ///< The controller handle to open network protocol.
+ EFI_HANDLE RestExChildHandle; ///< The child handle created throught REST EX Service Protocol.
+ EFI_HANDLE RestExControllerHandle; ///< The controller handle which provide REST EX protocol.
+ EFI_REST_EX_PROTOCOL *RestExProtocolInterface; ///< Pointer to EFI_REST_EX_PROTOCOL.
+ UINT32 RestExId; ///< The identifier installed on REST EX controller handle.
+} EFI_REDFISH_DISCOVER_REST_EX_INSTANCE_INTERNAL;
+
+/**
+ This function to get subnet information.
+
+ @param[in] ImageHandle EFI handle with this image.
+ @param[in] Instance Instance of Network interface.
+ @retval EFI_STATUS Get subnet information successfully.
+ @retval Otherwise Fail to get subnet information.
+**/
+typedef
+EFI_STATUS
+(EFIAPI *EFI_REDFISH_DISCOVER_GET_SUBNET_INFO)(
+ IN EFI_HANDLE ImageHandle,
+ IN EFI_REDFISH_DISCOVER_NETWORK_INTERFACE_INTERNAL *Instance
+);
+
+//
+// The require network protocol matrix.
+//
+typedef struct {
+ UINT32 ProtocolType; ///< Network protocol type,
+ ///< Refer to NETWORK_INTERFACE_PROTOCOL_TYPE.
+ CHAR16 *ProtocolName; ///< Protocol name.
+ EFI_GUID *RequiredProtocolGuid; ///< Network protocol interface GUID.
+ EFI_GUID *RequiredServiceBindingProtocolGuid; ///< Network protocol service GUID.
+ EFI_GUID *DiscoveredProtocolGuid; ///< Protocol interface GUID use to install identifier.
+ EFI_REDFISH_DISCOVER_GET_SUBNET_INFO GetSubnetInfo; ///< Function of getting subnet information.
+} REDFISH_DISCOVER_REQUIRED_PROTOCOL;
+
+//
+// Link list of Redfish discover instance.
+//
+typedef struct {
+ LIST_ENTRY NextInstance; ///< Next list.
+ EFI_REDFISH_DISCOVERED_INSTANCE *Instance; ///< Pointer to EFI_REDFISH_DISCOVERED_INSTANCE.
+} EFI_REDFISH_DISCOVERED_INTERNAL_LIST;
+
+//
+// Internal structure of Redfish discover instance.
+//
+typedef struct {
+ LIST_ENTRY Entry; ///< Link list entry.
+ EFI_HANDLE Owner; ///< The owner owns this Redfish service discovery.
+ ///< It's the EFI image handle of driver uses
+ ///< EFI Redfish Discover Protocol.
+ EFI_REDFISH_DISCOVER_FLAG DiscoverFlags; ///< EFI_REDFISH_DISCOVER_FLAG
+ EFI_REDFISH_DISCOVERED_TOKEN *DiscoverToken; ///< Token used to signal when Redfish service is discovered.
+ EFI_REDFISH_DISCOVER_NETWORK_INTERFACE_INTERNAL *NetworkInterface; ///< EFI_REDFISH_DISCOVER_NETWORK_INTERFACE_INTERNAL
+ ///< instance used to discover Redfish service.
+ //
+ // Below for Host insterface discovery.
+ //
+ BOOLEAN HostIntfValidation; ///< Indicates whether to validate Redfish Host interface.
+ EFI_IP_ADDRESS TargetIpAddress; ///< Target IP address reported in Redfish Host interface.
+} EFI_REDFISH_DISCOVERED_INTERNAL_INSTANCE;
+
+/**
+ The function adds a new foudn Redfish service to internal list and
+ notify clinet.
+
+ It simply frees the packet.
+
+ @param[in] Instance EFI_REDFISH_DISCOVERED_INTERNAL_INSTANCE.
+ @param[in] RedfishVersion Redfish version.
+ @param[in] RedfishLocation Redfish location.
+ @param[in] Uuid Service UUID string.
+ @param[in] Os OS string.
+ @param[in] OsVer OS version string.
+ @param[in] Product Product string.
+ @param[in] ProductVer Product verison string.
+ @param[in] UseHttps Redfish service requires secured connection.
+ @retval EFI_SUCCESS Redfish service is added to list successfully.
+
+**/
+EFI_STATUS
+AddAndSignalNewRedfishService (
+ IN EFI_REDFISH_DISCOVERED_INTERNAL_INSTANCE *Instance,
+ IN UINTN *RedfishVersion OPTIONAL,
+ IN CHAR8 *RedfishLocation OPTIONAL,
+ IN CHAR8 *Uuid OPTIONAL,
+ IN CHAR8 *Os OPTIONAL,
+ IN CHAR8 *OsVer OPTIONAL,
+ IN CHAR8 *Product OPTIONAL,
+ IN CHAR8 *ProductVer OPTIONAL,
+ IN BOOLEAN UseHttps
+ );
+
+/**
+ The function gets information reported in Redfish Host Interface.
+
+ It simply frees the packet.
+
+ @param[in] Smbios SMBIOS protocol.
+ @param[out] DeviceDescriptor Pointer to REDFISH_INTERFACE_DATA.
+ @param[out] ProtocolData Pointer to REDFISH_OVER_IP_PROTOCOL_DATA.
+
+ @retval EFI_SUCCESS Get host interface succesfully.
+ @retval Otherwise Fail to tet host interface.
+
+**/
+EFI_STATUS
+RedfishGetHostInterfaceProtocolData (
+ IN EFI_SMBIOS_PROTOCOL *Smbios,
+ OUT REDFISH_INTERFACE_DATA **DeviceDescriptor,
+ OUT REDFISH_OVER_IP_PROTOCOL_DATA **ProtocolData
+ );
+
+extern EFI_GUID gRedfishDiscoverTcp4Instance;
+extern EFI_GUID gRedfishDiscoverTcp6Instance;
+extern EFI_GUID gRedfishDiscoverRestEXInstance;
+#endif
diff --git a/RedfishPkg/RedfishDiscoverDxe/ComponentName.c b/RedfishPkg/RedfishDiscoverDxe/ComponentName.c
new file mode 100644
index 0000000000..adad2504bc
--- /dev/null
+++ b/RedfishPkg/RedfishDiscoverDxe/ComponentName.c
@@ -0,0 +1,218 @@
+/** @file
+ Implementation of EFI_COMPONENT_NAME_PROTOCOL and EFI_COMPONENT_NAME2_PROTOCOL protocol.
+ for EFI Refish Discover Protocol
+
+ (C) Copyright 2021 Hewlett Packard Enterprise Development LP<BR>
+
+ SPDX-License-Identifier: BSD-2-Clause-Patent
+
+**/
+
+#include "RedfishDiscoverInternal.h"
+
+//
+// EFI Component Name Functions
+//
+/**
+ Retrieves a Unicode string that is the user-readable name of the EFI Driver.
+
+ @param[in] This A pointer to the EFI_COMPONENT_NAME_PROTOCOL instance.
+ @param[in] Language A pointer to a three-character ISO 639-2 language identifier.
+ This is the language of the driver name that 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.
+ @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
+RedfishDiscoverComponentNameGetDriverName (
+ 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 an EFI Driver.
+
+ @param[in] This A pointer to the 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 three character ISO 639-2 language
+ identifier. This is the language of the controller 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.
+ @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
+RedfishDiscoverComponentNameGetControllerName (
+ IN EFI_COMPONENT_NAME_PROTOCOL *This,
+ IN EFI_HANDLE ControllerHandle,
+ IN EFI_HANDLE ChildHandle OPTIONAL,
+ IN CHAR8 *Language,
+ OUT CHAR16 **ControllerName
+ );
+
+
+///
+/// Component Name Protocol instance
+///
+GLOBAL_REMOVE_IF_UNREFERENCED
+EFI_COMPONENT_NAME_PROTOCOL gRedfishDiscoverComponentName = {
+ RedfishDiscoverComponentNameGetDriverName,
+ RedfishDiscoverComponentNameGetControllerName,
+ "eng"
+};
+
+///
+/// Component Name 2 Protocol instance
+///
+GLOBAL_REMOVE_IF_UNREFERENCED
+EFI_COMPONENT_NAME2_PROTOCOL gRedfishDiscoverComponentName2 = {
+ (EFI_COMPONENT_NAME2_GET_DRIVER_NAME) RedfishDiscoverComponentNameGetDriverName,
+ (EFI_COMPONENT_NAME2_GET_CONTROLLER_NAME) RedfishDiscoverComponentNameGetControllerName,
+ "en"
+};
+
+///
+/// Table of driver names
+///
+GLOBAL_REMOVE_IF_UNREFERENCED
+EFI_UNICODE_STRING_TABLE mRedfishDiscoverDriverNameTable[] = {
+ { "eng;en", (CHAR16 *)L"Redfish Discover UEFI Driver" },
+ { NULL, NULL }
+};
+
+GLOBAL_REMOVE_IF_UNREFERENCED EFI_UNICODE_STRING_TABLE *gRedfishDiscoverControllerNameTable = NULL;
+
+/**
+ Retrieves a Unicode string that is the user-readable name of the EFI Driver.
+
+ @param[in] This A pointer to the EFI_COMPONENT_NAME_PROTOCOL instance.
+ @param[in] Language A pointer to a three-character ISO 639-2 language identifier.
+ This is the language of the driver name that 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.
+ @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
+RedfishDiscoverComponentNameGetDriverName (
+ IN EFI_COMPONENT_NAME_PROTOCOL *This,
+ IN CHAR8 *Language,
+ OUT CHAR16 **DriverName
+ )
+{
+ return LookupUnicodeString2 (
+ Language,
+ This->SupportedLanguages,
+ mRedfishDiscoverDriverNameTable,
+ DriverName,
+ (BOOLEAN)(This == &gRedfishDiscoverComponentName)
+ );
+}
+
+/**
+ Retrieves a Unicode string that is the user readable name of the controller
+ that is being managed by an EFI Driver.
+
+ @param[in] This A pointer to the 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 three character ISO 639-2 language
+ identifier. This is the language of the controller 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.
+ @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
+RedfishDiscoverComponentNameGetControllerName (
+ IN EFI_COMPONENT_NAME_PROTOCOL *This,
+ IN EFI_HANDLE ControllerHandle,
+ IN EFI_HANDLE ChildHandle OPTIONAL,
+ IN CHAR8 *Language,
+ OUT CHAR16 **ControllerName
+ )
+{
+ return EFI_UNSUPPORTED;
+}
diff --git a/RedfishPkg/RedfishDiscoverDxe/RedfishDiscoverDxe.c b/RedfishPkg/RedfishDiscoverDxe/RedfishDiscoverDxe.c
new file mode 100644
index 0000000000..80d70a4679
--- /dev/null
+++ b/RedfishPkg/RedfishDiscoverDxe/RedfishDiscoverDxe.c
@@ -0,0 +1,1910 @@
+/** @file
+
+ The implementation of EFI Redfidh Discover Protocol.
+
+ (C) Copyright 2021 Hewlett Packard Enterprise Development LP<BR>
+
+ SPDX-License-Identifier: BSD-2-Clause-Patent
+
+**/
+
+#include "RedfishDiscoverInternal.h"
+
+LIST_ENTRY mRedfishDiscoverList;
+LIST_ENTRY mRedfishInstanceList;
+EFI_SMBIOS_PROTOCOL *mSmbios = NULL;
+
+UINTN mNumNetworkInterface = 0;
+UINTN mNumRestExInstance = 0;
+LIST_ENTRY mEfiRedfishDiscoverNetworkInterface;
+LIST_ENTRY mEfiRedfishDiscoverRestExInstance;
+
+EFI_GUID mRedfishDiscoverTcp4InstanceGuid = EFI_REDFISH_DISCOVER_TCP4_INSTANCE_GUID;
+EFI_GUID mRedfishDiscoverTcp6InstanceGuid = EFI_REDFISH_DISCOVER_TCP6_INSTANCE_GUID;
+EFI_GUID mRedfishDiscoverRestExInstanceGuid = EFI_REDFISH_DISCOVER_REST_EX_INSTANCE_GUID;
+
+EFI_HANDLE EfiRedfishDiscoverProtocolHandle = NULL;
+
+EFI_STATUS
+EFIAPI
+Tcp4GetSubnetInfo (
+ IN EFI_HANDLE ImageHandle,
+ IN EFI_REDFISH_DISCOVER_NETWORK_INTERFACE_INTERNAL *Instance
+);
+
+EFI_STATUS
+EFIAPI
+Tcp6GetSubnetInfo (
+ IN EFI_HANDLE ImageHandle,
+ IN EFI_REDFISH_DISCOVER_NETWORK_INTERFACE_INTERNAL *Instance
+);
+
+static REDFISH_DISCOVER_REQUIRED_PROTOCOL gRequiredProtocol[] = {
+ {
+ ProtocolTypeTcp4,
+ L"TCP4 Service Binding Protocol",
+ &gEfiTcp4ProtocolGuid,
+ &gEfiTcp4ServiceBindingProtocolGuid,
+ &mRedfishDiscoverTcp4InstanceGuid,
+ Tcp4GetSubnetInfo
+ },
+ {
+ ProtocolTypeTcp6,
+ L"TCP6 Service Binding Protocol",
+ &gEfiTcp6ProtocolGuid,
+ &gEfiTcp6ServiceBindingProtocolGuid,
+ &mRedfishDiscoverTcp6InstanceGuid,
+ Tcp6GetSubnetInfo
+ },
+ {
+ ProtocolTypeRestEx,
+ L"REST EX Service Binding Protocol",
+ &gEfiRestExProtocolGuid,
+ &gEfiRestExServiceBindingProtocolGuid,
+ &mRedfishDiscoverRestExInstanceGuid,
+ NULL
+ }
+};
+
+/**
+ This function creates REST EX instance for the found Resfish service.
+ by known owner handle.
+
+ @param[in] Instance EFI_REDFISH_DISCOVERED_INTERNAL_INSTANCE
+ @param[in] Token Client token.
+
+ @retval NULL Instance not found.
+ @retval EFI_REDFISH_DISCOVERED_INTERNAL_INSTANCE The instance owned by this owner.
+
+**/
+EFI_STATUS
+CreateRestExInstance (
+ IN EFI_REDFISH_DISCOVERED_INTERNAL_INSTANCE *Instance,
+ IN EFI_REDFISH_DISCOVERED_TOKEN *Token
+ )
+{
+ EFI_STATUS Status;
+
+ Status = RestExLibCreateChild (
+ Instance->Owner,
+ FixedPcdGetBool (PcdRedfishDiscoverAccessModeInBand)? EfiRestExServiceInBandAccess: EfiRestExServiceOutOfBandAccess,
+ EfiRestExConfigHttp,
+ EfiRestExServiceRedfish,
+ &Token->DiscoverList.RedfishInstances->Information.RedfishRestExHandle
+ );
+ return Status;
+}
+
+/**
+ This function gets EFI_REDFISH_DISCOVERED_INTERNAL_INSTANCE
+ by known owner handle.
+
+ @param[in] ImageHandle Image handle owns EFI_REDFISH_DISCOVERED_INTERNAL_INSTANCE.
+ @param[in] TargetNetworkInterface Target network interface used by this EFI_REDFISH_DISCOVERED_INTERNAL_INSTANCE.
+ @param[in] DiscoverFlags EFI_REDFISH_DISCOVER_FLAG
+
+ @retval NULL Instance not found.
+ @retval EFI_REDFISH_DISCOVERED_INTERNAL_INSTANCE The instance owned by this owner.
+
+**/
+EFI_REDFISH_DISCOVERED_INTERNAL_INSTANCE *
+GetInstanceByOwner (
+ IN EFI_HANDLE ImageHandle,
+ IN EFI_REDFISH_DISCOVER_NETWORK_INTERFACE_INTERNAL *TargetNetworkInterface,
+ IN EFI_REDFISH_DISCOVER_FLAG DiscoverFlags
+ )
+{
+ EFI_REDFISH_DISCOVERED_INTERNAL_INSTANCE *ThisInstance;
+
+ if (IsListEmpty (&mRedfishDiscoverList)) {
+ return NULL;
+ }
+ ThisInstance =
+ (EFI_REDFISH_DISCOVERED_INTERNAL_INSTANCE *)GetFirstNode (&mRedfishDiscoverList);
+ while (TRUE) {
+ if ((ThisInstance->Owner == ImageHandle) &&
+ (ThisInstance->DiscoverFlags == DiscoverFlags) &&
+ (ThisInstance->NetworkInterface == TargetNetworkInterface)) {
+ return ThisInstance;
+ }
+ if (IsNodeAtEnd (&mRedfishDiscoverList, &ThisInstance->Entry)) {
+ break;
+ }
+ ThisInstance =
+ (EFI_REDFISH_DISCOVERED_INTERNAL_INSTANCE *)GetNextNode (&mRedfishDiscoverList, &ThisInstance->Entry);
+ };
+ return NULL;
+}
+
+/**
+ This function gets the subnet information of this TCP4 instance.
+
+ @param[in] ImageHandle EFI handle with this image.
+ @param[in] Instance Instance of Network interface.
+ @retval EFI_STATUS Get subnet information successfully.
+ @retval Otherwise Fail to get subnet information.
+**/
+EFI_STATUS
+EFIAPI
+Tcp4GetSubnetInfo (
+ IN EFI_HANDLE ImageHandle,
+ IN EFI_REDFISH_DISCOVER_NETWORK_INTERFACE_INTERNAL *Instance
+)
+{
+ EFI_STATUS Status;
+ EFI_TCP4_PROTOCOL *Tcp4;
+ EFI_TCP4_CONFIG_DATA Tcp4CfgData;
+ EFI_TCP4_OPTION Tcp4Option;
+ EFI_IP4_MODE_DATA IpModedata;
+ UINT8 SubnetMaskIndex;
+ UINT8 BitMask;
+ UINT8 PrefixLength;
+ BOOLEAN GotPrefixLength;
+
+ if (Instance == NULL) {
+ return EFI_INVALID_PARAMETER;
+ }
+ Tcp4 = (EFI_TCP4_PROTOCOL *)Instance->NetworkInterfaceProtocolInfo.NetworkProtocolInterface;
+
+ ZeroMem ((VOID *)&Tcp4CfgData, sizeof (EFI_TCP4_CONFIG_DATA));
+ ZeroMem ((VOID *)&Tcp4Option, sizeof (EFI_TCP4_OPTION));
+ // Give a local host IP address just for getting subnet information.
+ Tcp4CfgData.AccessPoint.UseDefaultAddress = TRUE;
+ Tcp4CfgData.AccessPoint.RemoteAddress.Addr [0] = 127;
+ Tcp4CfgData.AccessPoint.RemoteAddress.Addr [1] = 0;
+ Tcp4CfgData.AccessPoint.RemoteAddress.Addr [2] = 0;
+ Tcp4CfgData.AccessPoint.RemoteAddress.Addr [3] = 1;
+ Tcp4CfgData.AccessPoint.RemotePort = 80;
+ Tcp4CfgData.AccessPoint.ActiveFlag = TRUE;
+
+ Tcp4CfgData.ControlOption = &Tcp4Option;
+ Tcp4Option.ReceiveBufferSize = 65535;
+ Tcp4Option.SendBufferSize = 65535;
+ Tcp4Option.MaxSynBackLog = 5;
+ Tcp4Option.ConnectionTimeout = 60;
+ Tcp4Option.DataRetries = 12;
+ Tcp4Option.FinTimeout = 2;
+ Tcp4Option.KeepAliveProbes = 6;
+ Tcp4Option.KeepAliveTime = 7200;
+ Tcp4Option.KeepAliveInterval = 30;
+ Tcp4Option.EnableNagle = TRUE;
+ Status = Tcp4->Configure (Tcp4, &Tcp4CfgData);
+ if (EFI_ERROR (Status)) {
+ DEBUG ((DEBUG_ERROR, "%a: Can't get subnet information\n", __FUNCTION__));
+ return Status;
+ }
+ Status = Tcp4->GetModeData (Tcp4, NULL, NULL, &IpModedata, NULL, NULL);
+ if (EFI_ERROR (Status)) {
+ DEBUG ((DEBUG_ERROR, "%a: Can't get IP mode data information\n", __FUNCTION__));
+ return Status;
+ }
+ IP4_COPY_ADDRESS (&Instance->SubnetMask, &IpModedata.ConfigData.SubnetMask);
+ Instance->SubnetAddr.v4.Addr [0] = IpModedata.ConfigData.StationAddress.Addr [0] & Instance->SubnetMask.v4.Addr [0];
+ Instance->SubnetAddr.v4.Addr [1] = IpModedata.ConfigData.StationAddress.Addr [1] & Instance->SubnetMask.v4.Addr [1];
+ Instance->SubnetAddr.v4.Addr [2] = IpModedata.ConfigData.StationAddress.Addr [2] & Instance->SubnetMask.v4.Addr [2];
+ Instance->SubnetAddr.v4.Addr [3] = IpModedata.ConfigData.StationAddress.Addr [3] & Instance->SubnetMask.v4.Addr [3];
+ //
+ // Calculate the subnet mask prefix.
+ //
+ GotPrefixLength = FALSE;
+ PrefixLength = 0;
+ SubnetMaskIndex = 0;
+ while (GotPrefixLength == FALSE && SubnetMaskIndex < 4) {
+ BitMask = 0x80;
+ while (BitMask != 0) {
+ if ((Instance->SubnetMask.v4.Addr [SubnetMaskIndex] & BitMask) != 0) {
+ PrefixLength ++;
+ } else {
+ GotPrefixLength = TRUE;
+ break;
+ }
+ BitMask = BitMask >> 1;
+ };
+ SubnetMaskIndex ++;
+ };
+ Instance->SubnetPrefixLength = PrefixLength;
+ return EFI_SUCCESS;
+}
+
+/**
+ This function gets the subnet information of this TCP6 instance.
+
+ @param[in] ImageHandle EFI handle with this image.
+ @param[in] Instance Instance of Network interface.
+ @retval EFI_STATUS Get subnet information successfully.
+ @retval Otherwise Fail to get subnet information.
+**/
+EFI_STATUS
+EFIAPI
+Tcp6GetSubnetInfo (
+ IN EFI_HANDLE ImageHandle,
+ IN EFI_REDFISH_DISCOVER_NETWORK_INTERFACE_INTERNAL *Instance
+)
+{
+ EFI_STATUS Status;
+ EFI_TCP6_PROTOCOL *Tcp6;
+ EFI_IP6_MODE_DATA IpModedata;
+
+ if (Instance == NULL) {
+ return EFI_INVALID_PARAMETER;
+ }
+ Tcp6 = (EFI_TCP6_PROTOCOL *)Instance->NetworkInterfaceProtocolInfo.NetworkProtocolInterface;
+
+ Status = Tcp6->GetModeData (Tcp6, NULL, NULL, &IpModedata, NULL, NULL);
+ if (EFI_ERROR (Status)) {
+ DEBUG ((DEBUG_ERROR, "%a: Can't get IP mode data information\n"));
+ return Status;
+ }
+ if (IpModedata.AddressCount == 0) {
+ DEBUG ((DEBUG_INFO, "%a: No IPv6 address configured.\n"));
+ }
+ if (Instance->SubnetAddrInfoIPv6 != NULL) {
+ FreePool (Instance->SubnetAddrInfoIPv6);
+ }
+ Instance->SubnetAddrInfoIPv6 = AllocateZeroPool (IpModedata.AddressCount * sizeof (EFI_IP6_ADDRESS_INFO));
+ if (Instance->SubnetAddrInfoIPv6 == NULL) {
+ DEBUG ((DEBUG_ERROR, "%a: Failed to allocate memory fir IPv6 subnet address information\n"));
+ return EFI_OUT_OF_RESOURCES;
+ }
+ Instance->SubnetAddrInfoIPv6Number = IpModedata.AddressCount;
+ CopyMem (
+ (VOID *)Instance->SubnetAddrInfoIPv6,
+ (VOID *)&IpModedata.AddressList,
+ IpModedata.AddressCount * sizeof (EFI_IP6_ADDRESS_INFO)
+ );
+ FreePool (IpModedata.AddressList);
+ return EFI_SUCCESS;
+}
+
+/**
+ This function searches EFI_REDFISH_DISCOVER_NETWORK_INTERFACE_INTERNAL
+ instance with the given EFI_REDFISH_DISCOVER_NETWORK_INTERFACE.
+
+ @param[in] TargetNetworkInterface EFI_REDFISH_DISCOVER_NETWORK_INTERFACE.
+ NULL for all EFI_REDFISH_DISCOVER_NETWORK_INTERFACEs.
+
+ @retval Non-NULL EFI_REDFISH_DISCOVER_NETWORK_INTERFACE_INTERNAL is returned.
+ @retval NULL Non of EFI_REDFISH_DISCOVER_NETWORK_INTERFACE_INTERNAL instance is returned.
+**/
+EFI_REDFISH_DISCOVER_NETWORK_INTERFACE_INTERNAL *
+GetTargetNetworkInterfaceInternal (
+ IN EFI_REDFISH_DISCOVER_NETWORK_INTERFACE *TargetNetworkInterface
+ )
+{
+ EFI_REDFISH_DISCOVER_NETWORK_INTERFACE_INTERNAL *ThisNetworkInterface;
+
+ ThisNetworkInterface = (EFI_REDFISH_DISCOVER_NETWORK_INTERFACE_INTERNAL *)GetFirstNode (&mEfiRedfishDiscoverNetworkInterface);
+ while (TRUE) {
+ if (CompareMem((VOID *)&ThisNetworkInterface->MacAddress, &TargetNetworkInterface->MacAddress, ThisNetworkInterface->HwAddressSize) == 0) {
+ return ThisNetworkInterface;
+ }
+ if (IsNodeAtEnd (&mEfiRedfishDiscoverNetworkInterface, &ThisNetworkInterface->Entry)) {
+ return NULL;
+ }
+ ThisNetworkInterface = (EFI_REDFISH_DISCOVER_NETWORK_INTERFACE_INTERNAL *)GetNextNode(&mEfiRedfishDiscoverNetworkInterface, &ThisNetworkInterface->Entry);
+ };
+ return NULL;
+}
+
+/**
+ This function validate if target network interface is ready for discovering
+ Redfish service.
+
+ @param[in] TargetNetworkInterface EFI_REDFISH_DISCOVER_NETWORK_INTERFACE.
+ NULL for all EFI_REDFISH_DISCOVER_NETWORK_INTERFACEs.
+ @param[in] Flags EFI_REDFISH_DISCOVER_FLAG
+
+ @retval EFI_SUCCESS Target network interface is ready to use.
+ @retval EFI_UNSUPPORTED Target network interface is not ready to use.
+**/
+EFI_STATUS
+ValidateTargetNetworkInterface (
+ IN EFI_REDFISH_DISCOVER_NETWORK_INTERFACE *TargetNetworkInterface,
+ IN EFI_REDFISH_DISCOVER_FLAG Flags
+ )
+{
+ EFI_REDFISH_DISCOVER_NETWORK_INTERFACE_INTERNAL *ThisNetworkInterface;
+
+ if (IsListEmpty (&mEfiRedfishDiscoverNetworkInterface) && TargetNetworkInterface == NULL) {
+ return EFI_UNSUPPORTED;
+ }
+ if (TargetNetworkInterface == NULL) {
+ return EFI_SUCCESS; // Return EFI_SUCCESS if no network interface is specified.
+ }
+
+ ThisNetworkInterface = (EFI_REDFISH_DISCOVER_NETWORK_INTERFACE_INTERNAL *)GetFirstNode(&mEfiRedfishDiscoverNetworkInterface);
+ while (TRUE) {
+ if (CompareMem((VOID *)&ThisNetworkInterface->MacAddress, &TargetNetworkInterface->MacAddress, ThisNetworkInterface->HwAddressSize) == 0) {
+ break;
+ }
+ if (IsNodeAtEnd (&mEfiRedfishDiscoverNetworkInterface, &ThisNetworkInterface->Entry)) {
+ return EFI_UNSUPPORTED;
+ }
+ ThisNetworkInterface = (EFI_REDFISH_DISCOVER_NETWORK_INTERFACE_INTERNAL *)GetNextNode(&mEfiRedfishDiscoverNetworkInterface, &ThisNetworkInterface->Entry);
+ };
+ if ((Flags & EFI_REDFISH_DISCOVER_SSDP) != 0) {
+ // Validate if UDP4/6 is supported on the given network interface.
+ // SSDP is not supported.
+
+ return EFI_SUCCESS;
+ }
+ if (ThisNetworkInterface->NetworkInterfaceProtocolInfo.ProtocolControllerHandle == NULL) {
+ return EFI_UNSUPPORTED; // The required protocol on this network interface is not found.
+ }
+ return EFI_SUCCESS;
+}
+/**
+ This function returns number of network interface instance.
+
+ @retval UINTN Number of network interface instances.
+**/
+UINTN
+NumberOfNetworkInterface (VOID)
+{
+ UINTN Num;
+ EFI_REDFISH_DISCOVER_NETWORK_INTERFACE_INTERNAL *ThisNetworkInterface;
+
+ if (IsListEmpty (&mEfiRedfishDiscoverNetworkInterface)) {
+ return 0;
+ }
+
+ Num = 1;
+ ThisNetworkInterface = (EFI_REDFISH_DISCOVER_NETWORK_INTERFACE_INTERNAL *)GetFirstNode (&mEfiRedfishDiscoverNetworkInterface);
+ while (TRUE) {
+ if (IsNodeAtEnd (&mEfiRedfishDiscoverNetworkInterface, &ThisNetworkInterface->Entry)) {
+ break;
+ }
+ ThisNetworkInterface = (EFI_REDFISH_DISCOVER_NETWORK_INTERFACE_INTERNAL *)GetNextNode(&mEfiRedfishDiscoverNetworkInterface, &ThisNetworkInterface->Entry);
+ Num ++;
+ };
+ return Num;
+}
+
+/**
+ This function checks the IP version supported on this
+ netwoek interface.
+
+ @param[in] ThisNetworkInterface EFI_REDFISH_DISCOVER_NETWORK_INTERFACE_INTERNAL
+
+ @retval TRUE Is IPv6, otherwise IPv4.
+
+**/
+BOOLEAN
+CheckIsIpVersion6 (
+ IN EFI_REDFISH_DISCOVER_NETWORK_INTERFACE_INTERNAL *ThisNetworkInterface
+)
+{
+ if (ThisNetworkInterface->NetworkProtocolType == ProtocolTypeTcp6) {
+ return TRUE;
+ }
+ return FALSE;
+}
+
+/**
+ This function discover Redfish service through SMBIOS host interface.
+
+ @param[in] Instance EFI_REDFISH_DISCOVERED_INTERNAL_INSTANCE
+
+ @retval EFI_SUCCESS Redfish service is discovered through SMBIOS Host interface.
+ @retval Others Fail to discover Redfish service throught SMBIOS host interface
+
+**/
+EFI_STATUS
+DiscoverRedfishHostInterface (IN EFI_REDFISH_DISCOVERED_INTERNAL_INSTANCE *Instance)
+{
+ EFI_STATUS Status;
+ REDFISH_OVER_IP_PROTOCOL_DATA *Data;
+ REDFISH_INTERFACE_DATA *DeviceDescriptor;
+ CHAR8 UuidStr[sizeof"00000000-0000-0000-0000-000000000000" + 1];
+ CHAR16 Ipv6Str [sizeof"ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff" + 1];
+ CHAR8 RedfishServiceLocateStr [sizeof"ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff" + 1];
+ UINTN StrSize;
+ UINTN MacCompareStstus;
+ BOOLEAN IsHttps;
+
+ Data = NULL;
+ DeviceDescriptor = NULL;
+
+ if (mSmbios == NULL) {
+ Status = gBS->LocateProtocol(&gEfiSmbiosProtocolGuid, NULL, (VOID **)&mSmbios);
+ if (EFI_ERROR (Status)) {
+ return Status;
+ }
+ }
+ Status = RedfishGetHostInterfaceProtocolData (mSmbios, &DeviceDescriptor, &Data); // Search for SMBIOS type 42h
+ if (!EFI_ERROR (Status) && Data != NULL && DeviceDescriptor != NULL) {
+ //
+ // Chceck if we can reach out Redfish service using this network interface.
+ // Check with MAC address using Device Descroptor Data Device Type 04 and Type 05.
+ // Those two types of Redfish host interface device has MAC information.
+ //
+ if (DeviceDescriptor->DeviceType == REDFISH_HOST_INTERFACE_DEVICE_TYPE_PCI_PCIE_V2) {
+ MacCompareStstus = CompareMem(&Instance->NetworkInterface->MacAddress, &DeviceDescriptor->DeviceDescriptor.PciPcieDeviceV2.MacAddress, 6);
+ } else if (DeviceDescriptor->DeviceType == REDFISH_HOST_INTERFACE_DEVICE_TYPE_USB_V2){
+ MacCompareStstus = CompareMem(&Instance->NetworkInterface->MacAddress, &DeviceDescriptor->DeviceDescriptor.UsbDeviceV2.MacAddress, 6);
+ } else {
+ return EFI_UNSUPPORTED;
+ }
+ if (MacCompareStstus != 0) {
+ return EFI_UNSUPPORTED;
+ }
+
+ if (Data->RedfishServiceIpAddressFormat == 1) {
+ IP4_COPY_ADDRESS ((VOID *)&Instance->TargetIpAddress.v4, (VOID *)Data->RedfishServiceIpAddress);
+ } else {
+ IP6_COPY_ADDRESS ((VOID *)&Instance->TargetIpAddress.v6, (VOID *)Data->RedfishServiceIpAddress);
+ }
+
+ if (Instance->HostIntfValidation) {
+ DEBUG ((DEBUG_ERROR,"%a:Send UPnP unicast SSDP to validate this Redfish Host Interface is not supported.\n", __FUNCTION__));
+ Status = EFI_UNSUPPORTED;
+ } else {
+ //
+ // Add this istance to list without detial information of Redfish
+ // service.
+ //
+ IsHttps = FALSE;
+ if (Data->RedfishServiceIpPort == 443) {
+ IsHttps = TRUE;
+ }
+ StrSize = sizeof(UuidStr);
+ AsciiSPrint(UuidStr, StrSize, "%g", &Data->ServiceUuid);
+ //
+ // Generate Redfish service location string.
+ //
+ if (Data->RedfishServiceIpAddressFormat == REDFISH_HOST_INTERFACE_HOST_IP_ADDRESS_FORMAT_IP6) {
+ NetLibIp6ToStr((IPv6_ADDRESS *)&Data->RedfishServiceIpAddress, Ipv6Str, sizeof (Ipv6Str));
+ if (Data->RedfishServiceIpPort == 0 || IsHttps == TRUE) {
+ AsciiSPrintUnicodeFormat (
+ RedfishServiceLocateStr,
+ sizeof (RedfishServiceLocateStr),
+ L"%s",
+ Ipv6Str
+ );
+ } else {
+ AsciiSPrintUnicodeFormat(
+ RedfishServiceLocateStr,
+ sizeof (RedfishServiceLocateStr),
+ L"[%s]:%d",
+ Ipv6Str,
+ Data->RedfishServiceIpPort
+ );
+ }
+ } else {
+ if (Data->RedfishServiceIpPort == 0 || IsHttps == TRUE) {
+ AsciiSPrint(
+ RedfishServiceLocateStr,
+ sizeof (RedfishServiceLocateStr),
+ "%d.%d.%d.%d",
+ Data->RedfishServiceIpAddress [0],
+ Data->RedfishServiceIpAddress [1],
+ Data->RedfishServiceIpAddress [2],
+ Data->RedfishServiceIpAddress [3]
+ );
+ } else {
+ AsciiSPrint(
+ RedfishServiceLocateStr,
+ sizeof (RedfishServiceLocateStr),
+ "%d.%d.%d.%d:%d",
+ Data->RedfishServiceIpAddress [0],
+ Data->RedfishServiceIpAddress [1],
+ Data->RedfishServiceIpAddress [2],
+ Data->RedfishServiceIpAddress [3],
+ Data->RedfishServiceIpPort
+ );
+ }
+ }
+ Status = AddAndSignalNewRedfishService (
+ Instance,
+ NULL,
+ RedfishServiceLocateStr,
+ UuidStr,
+ NULL,
+ NULL,
+ NULL,
+ NULL,
+ IsHttps
+ );
+ }
+ }
+ return Status;
+}
+
+/**
+ The function adds a new found Redfish service to internal list and
+ notify client.
+
+ @param[in] Instance EFI_REDFISH_DISCOVERED_INTERNAL_INSTANCE.
+ @param[in] RedfishVersion Redfish version.
+ @param[in] RedfishLocation Redfish location.
+ @param[in] Uuid Service UUID string.
+ @param[in] Os OS string.
+ @param[in] OsVer OS version string.
+ @param[in] Product Product string.
+ @param[in] ProductVer Product verison string.
+ @param[in] UseHttps Redfish service requires secured connection.
+ @retval EFI_SUCCESS Redfish service is added to list successfully.
+
+**/
+EFI_STATUS
+AddAndSignalNewRedfishService (
+ IN EFI_REDFISH_DISCOVERED_INTERNAL_INSTANCE *Instance,
+ IN UINTN *RedfishVersion OPTIONAL,
+ IN CHAR8 *RedfishLocation OPTIONAL,
+ IN CHAR8 *Uuid OPTIONAL,
+ IN CHAR8 *Os OPTIONAL,
+ IN CHAR8 *OsVer OPTIONAL,
+ IN CHAR8 *Product OPTIONAL,
+ IN CHAR8 *ProductVer OPTIONAL,
+ IN BOOLEAN UseHttps
+ )
+{
+ BOOLEAN NewFound;
+ BOOLEAN InfoRefresh;
+ BOOLEAN RestExOpened;
+ BOOLEAN DeleteRestEx;
+ EFI_STATUS Status;
+ EFI_REDFISH_DISCOVERED_INTERNAL_LIST *DiscoveredList;
+ EFI_REDFISH_DISCOVERED_INSTANCE *DiscoveredInstance;
+ CHAR16 *Char16Uuid;
+ EFI_REST_EX_PROTOCOL *RestEx;
+ EFI_REST_EX_HTTP_CONFIG_DATA *RestExHttpConfigData;
+ EFI_REDFISH_DISCOVER_NETWORK_INTERFACE_INTERNAL *NetworkInterface;
+
+ NewFound = TRUE;
+ InfoRefresh = FALSE;
+ Char16Uuid = NULL;
+ RestExOpened = FALSE;
+ DeleteRestEx = FALSE;
+
+ DEBUG ((DEBUG_INFO,"%a:Add this instance to Redfish instance list.\n", __FUNCTION__));
+
+ if (Uuid != NULL) {
+ Char16Uuid = (CHAR16 *)AllocateZeroPool(AsciiStrSize((const CHAR8 *)Uuid) * sizeof(CHAR16));
+ AsciiStrToUnicodeStrS ((const CHAR8 *)Uuid, Char16Uuid, AsciiStrSize((const CHAR8 *)Uuid) * sizeof(CHAR16));
+ }
+ DiscoveredList = NULL;
+ DiscoveredInstance = NULL;
+ RestExHttpConfigData = NULL;
+
+ NetworkInterface = Instance->NetworkInterface;
+ if (!IsListEmpty (&mRedfishInstanceList)) {
+ //
+ // Is this a duplicate redfish service.
+ //
+ DiscoveredList = (EFI_REDFISH_DISCOVERED_INTERNAL_LIST *)GetFirstNode (&mRedfishInstanceList);
+ NewFound = FALSE;
+ do {
+ if (Char16Uuid == NULL || DiscoveredList->Instance->Information.Uuid == NULL) {
+ //
+ // Check if this Redfish instance already found using IP addrress.
+ //
+ if (!CheckIsIpVersion6(NetworkInterface)) {
+ if (CompareMem ((VOID *)&Instance->TargetIpAddress.v4,
+ (VOID *)&DiscoveredList->Instance->Information.RedfishHostIpAddress.v4,
+ sizeof (EFI_IPv4_ADDRESS)
+ ) == 0)
+ {
+ DiscoveredInstance = DiscoveredList->Instance;
+ if (DiscoveredList->Instance->Information.Uuid == NULL &&
+ Char16Uuid != NULL) {
+ InfoRefresh = TRUE;
+ DiscoveredInstance = DiscoveredList->Instance;
+ DEBUG((DEBUG_INFO,"*** This Redfish Service information refresh ***\n"));
+ }
+ break;
+ }
+ } else {
+ if (CompareMem ((VOID *)&Instance->TargetIpAddress.v6,
+ (VOID *)&DiscoveredList->Instance->Information.RedfishHostIpAddress.v6,
+ sizeof (EFI_IPv6_ADDRESS)
+ ) == 0)
+ {
+ DiscoveredInstance = DiscoveredList->Instance;
+ break;
+ }
+ }
+ } else {
+ //
+ // Check if this Redfish instance already found using UUID.
+ //
+ if (StrCmp((const CHAR16 *)Char16Uuid, (const CHAR16 *)DiscoveredList->Instance->Information.Uuid) == 0) {
+ DiscoveredInstance = DiscoveredList->Instance;
+ break;
+ }
+ }
+ if (IsNodeAtEnd (&mRedfishInstanceList, &DiscoveredList->NextInstance)) {
+ NewFound = TRUE;
+ break;
+ }
+ DiscoveredList = (EFI_REDFISH_DISCOVERED_INTERNAL_LIST *)GetNextNode (&mRedfishInstanceList, &DiscoveredList->NextInstance);
+ } while (TRUE);
+ }
+ if (NewFound || InfoRefresh) {
+ if (!InfoRefresh) {
+ DiscoveredList = (EFI_REDFISH_DISCOVERED_INTERNAL_LIST *)AllocateZeroPool(sizeof(EFI_REDFISH_DISCOVERED_INTERNAL_LIST));
+ if (DiscoveredList == NULL) {
+ return EFI_OUT_OF_RESOURCES;
+ }
+ InitializeListHead (&DiscoveredList->NextInstance);
+ DiscoveredInstance = (EFI_REDFISH_DISCOVERED_INSTANCE *)AllocateZeroPool(sizeof(EFI_REDFISH_DISCOVERED_INSTANCE));
+ if (DiscoveredInstance == NULL) {
+ FreePool ((VOID *)DiscoveredList);
+ return EFI_OUT_OF_RESOURCES;
+ }
+ }
+ DEBUG ((DEBUG_INFO,"*** Redfish Service Information ***\n"));
+
+ DiscoveredInstance->Information.UseHttps = UseHttps;
+ if (RedfishVersion != NULL) {
+ DiscoveredInstance->Information.RedfishVersion = *RedfishVersion;
+ DEBUG ((DEBUG_INFO,"Redfish service version: %d.\n", DiscoveredInstance->Information.RedfishVersion));
+ }
+ if (RedfishLocation != NULL) {
+ DiscoveredInstance->Information.Location = (CHAR16 *)AllocatePool(AsciiStrSize((const CHAR8 *)RedfishLocation) * sizeof(CHAR16));
+ AsciiStrToUnicodeStrS ((const CHAR8 *)RedfishLocation, DiscoveredInstance->Information.Location, AsciiStrSize((const CHAR8 *)RedfishLocation) * sizeof(CHAR16));
+ DEBUG ((DEBUG_INFO,"Redfish service location: %s.\n", DiscoveredInstance->Information.Location));
+ }
+ if (Uuid != NULL) {
+ DiscoveredInstance->Information.Uuid = (CHAR16 *)AllocatePool(AsciiStrSize((const CHAR8 *)Uuid) * sizeof(CHAR16));
+ AsciiStrToUnicodeStrS ((const CHAR8 *)Uuid, DiscoveredInstance->Information.Uuid, AsciiStrSize((const CHAR8 *)Uuid) * sizeof(CHAR16));
+ DEBUG ((DEBUG_INFO,"Service UUID: %s.\n", DiscoveredInstance->Information.Uuid));
+ }
+ if (Os != NULL) {
+ DiscoveredInstance->Information.Os = (CHAR16 *)AllocatePool(AsciiStrSize((const CHAR8 *)Os) * sizeof(CHAR16));
+ AsciiStrToUnicodeStrS ((const CHAR8 *)Os, DiscoveredInstance->Information.Os, AsciiStrSize((const CHAR8 *)Os) * sizeof(CHAR16));
+ DEBUG ((DEBUG_INFO,"Redfish service OS: %s, Version:%s.\n", DiscoveredInstance->Information.Os, DiscoveredInstance->Information.OsVersion));
+ }
+ if (OsVer != NULL) {
+ DiscoveredInstance->Information.OsVersion = (CHAR16 *)AllocatePool(AsciiStrSize((const CHAR8 *)OsVer) * sizeof(CHAR16));
+ AsciiStrToUnicodeStrS ((const CHAR8 *)OsVer, DiscoveredInstance->Information.OsVersion, AsciiStrSize((const CHAR8 *)OsVer) * sizeof(CHAR16));
+ }
+ if (Product != NULL && ProductVer != NULL) {
+ DiscoveredInstance->Information.Product = (CHAR16 *)AllocatePool(AsciiStrSize((const CHAR8 *)Product) * sizeof(CHAR16));
+ AsciiStrToUnicodeStrS ((const CHAR8 *)Product, DiscoveredInstance->Information.Product, AsciiStrSize((const CHAR8 *)Product) * sizeof(CHAR16));
+ DiscoveredInstance->Information.ProductVer = (CHAR16 *)AllocatePool(AsciiStrSize((const CHAR8 *)ProductVer) * sizeof(CHAR16));
+ AsciiStrToUnicodeStrS ((const CHAR8 *)ProductVer, DiscoveredInstance->Information.ProductVer, AsciiStrSize((const CHAR8 *)ProductVer) * sizeof(CHAR16));
+ DEBUG ((DEBUG_INFO,"Redfish service product: %s, Version:%s.\n", DiscoveredInstance->Information.Product, DiscoveredInstance->Information.ProductVer));
+ }
+
+ if (RedfishLocation == NULL) {
+ // This is the Redfish reported from SMBIOS 42h
+ // without validation.
+
+ IP4_COPY_ADDRESS((VOID *)&DiscoveredInstance->Information.RedfishHostIpAddress.v4, (VOID *)&Instance->TargetIpAddress.v4);
+ }
+ if (!InfoRefresh) {
+ DiscoveredList->Instance = DiscoveredInstance;
+ InsertTailList(&mRedfishInstanceList, &DiscoveredList->NextInstance);
+ }
+ DiscoveredInstance->Status = EFI_SUCCESS;
+ } else {
+ if (DiscoveredList != NULL) {
+ DEBUG((DEBUG_INFO,"*** This Redfish Service was already found ***\n"));
+ if (DiscoveredInstance->Information.Uuid != NULL) {
+ DEBUG((DEBUG_INFO,"Service UUID: %s.\n", DiscoveredInstance->Information.Uuid));
+ } else {
+ DEBUG((DEBUG_INFO,"Service UUID: unknown.\n"));
+ }
+ }
+ }
+ if (Char16Uuid != NULL) {
+ FreePool((VOID *)Char16Uuid);
+ }
+
+ Status = EFI_SUCCESS;
+ if (NewFound || InfoRefresh) {
+ //
+ // Build up EFI_REDFISH_DISCOVERED_LIST in token.
+ //
+ Instance->DiscoverToken->DiscoverList.NumberOfServiceFound = 1;
+ Instance->DiscoverToken->DiscoverList.RedfishInstances = DiscoveredInstance;
+ DiscoveredInstance->Status = EFI_SUCCESS;
+ if (!InfoRefresh) {
+ Status = CreateRestExInstance (Instance, Instance->DiscoverToken); // Create REST EX child.
+ if (EFI_ERROR (Status)) {
+ DEBUG ((DEBUG_ERROR, "%a:Can't create REST EX child instance.\n",__FUNCTION__));
+ goto ON_EXIT;
+ }
+ Status = gBS->OpenProtocol ( // Configure local host information.
+ Instance->DiscoverToken->DiscoverList.RedfishInstances->Information.RedfishRestExHandle,
+ &gEfiRestExProtocolGuid,
+ (VOID **)&RestEx,
+ Instance->NetworkInterface->OpenDriverAgentHandle,
+ Instance->NetworkInterface->OpenDriverControllerHandle,
+ EFI_OPEN_PROTOCOL_BY_DRIVER
+ );
+ if (EFI_ERROR (Status)) {
+ DeleteRestEx = TRUE;
+ goto ERROR_EXIT;
+ }
+ RestExOpened = TRUE;
+ RestExHttpConfigData = AllocateZeroPool (sizeof (EFI_REST_EX_HTTP_CONFIG_DATA));
+ if (RestExHttpConfigData == NULL) {
+ Status = EFI_OUT_OF_RESOURCES;
+ DeleteRestEx = TRUE;
+ goto EXIT_FREE_CONFIG_DATA;
+ }
+ RestExHttpConfigData->SendReceiveTimeout = 5000;
+ RestExHttpConfigData->HttpConfigData.HttpVersion = HttpVersion11;
+ RestExHttpConfigData->HttpConfigData.LocalAddressIsIPv6 = CheckIsIpVersion6(NetworkInterface);
+ if (RestExHttpConfigData->HttpConfigData.LocalAddressIsIPv6) {
+ RestExHttpConfigData->HttpConfigData.AccessPoint.IPv6Node = AllocateZeroPool (sizeof (EFI_HTTPv6_ACCESS_POINT));
+ if (RestExHttpConfigData->HttpConfigData.AccessPoint.IPv6Node == NULL) {
+ Status = EFI_OUT_OF_RESOURCES;
+ goto EXIT_FREE_CONFIG_DATA;
+ }
+ } else {
+ RestExHttpConfigData->HttpConfigData.AccessPoint.IPv4Node = AllocateZeroPool (sizeof (EFI_HTTPv4_ACCESS_POINT));
+ if (RestExHttpConfigData->HttpConfigData.AccessPoint.IPv4Node == NULL) {
+ Status = EFI_OUT_OF_RESOURCES;
+ goto EXIT_FREE_CONFIG_DATA;
+ }
+ RestExHttpConfigData->HttpConfigData.AccessPoint.IPv4Node->UseDefaultAddress = TRUE;
+ }
+ Status = RestEx->Configure (
+ RestEx,
+ (EFI_REST_EX_CONFIG_DATA)(UINT8 *)RestExHttpConfigData
+ );
+ if (EFI_ERROR (Status)) {
+ DEBUG ((DEBUG_ERROR,"%a:REST EX configured..\n", __FUNCTION__));
+ DeleteRestEx = TRUE;
+ goto EXIT_FREE_ALL;
+ }
+ //
+ // Signal client, close REST EX before signaling client.
+ //
+ if (RestExOpened) {
+ gBS->CloseProtocol(
+ Instance->DiscoverToken->DiscoverList.RedfishInstances->Information.RedfishRestExHandle,
+ &gEfiRestExProtocolGuid,
+ Instance->NetworkInterface->OpenDriverAgentHandle,
+ Instance->NetworkInterface->OpenDriverControllerHandle
+ );
+ RestExOpened = FALSE;
+ }
+ }
+ Status = gBS->SignalEvent(Instance->DiscoverToken->Event);
+ if (!EFI_ERROR (Status)) {
+ DEBUG ((DEBUG_ERROR,"%a:No event to signal!\n", __FUNCTION__));
+ }
+ }
+
+EXIT_FREE_ALL:;
+ if (RestExHttpConfigData != NULL && RestExHttpConfigData->HttpConfigData.AccessPoint.IPv4Node != NULL) {
+ FreePool (RestExHttpConfigData->HttpConfigData.AccessPoint.IPv4Node);
+ }
+
+EXIT_FREE_CONFIG_DATA:;
+ if (RestExHttpConfigData != NULL) {
+ FreePool((VOID *)RestExHttpConfigData);
+ }
+ if (RestExOpened) {
+ gBS->CloseProtocol(
+ Instance->DiscoverToken->DiscoverList.RedfishInstances->Information.RedfishRestExHandle,
+ &gEfiRestExProtocolGuid,
+ Instance->NetworkInterface->OpenDriverAgentHandle,
+ Instance->NetworkInterface->OpenDriverControllerHandle
+ );
+ }
+ERROR_EXIT:;
+ if (DeleteRestEx && RestExOpened) {
+ gBS->CloseProtocol(
+ Instance->DiscoverToken->DiscoverList.RedfishInstances->Information.RedfishRestExHandle,
+ &gEfiRestExProtocolGuid,
+ Instance->NetworkInterface->OpenDriverAgentHandle,
+ Instance->NetworkInterface->OpenDriverControllerHandle
+ );
+ }
+ON_EXIT:;
+ return Status;
+}
+
+/**
+ This function gets the subnet information of this network interface instance.
+ can discover Redfish service on it.
+
+ @param[in] Instance EFI_REDFISH_DISCOVER_NETWORK_INTERFACE_INTERNAL instance.
+ @param[in] ImageHandle EFI Image handle request the network interface list.
+
+ @retval EFI_SUCCESS
+
+**/
+EFI_STATUS
+NetworkInterfaceGetSubnetInfo (
+ IN EFI_REDFISH_DISCOVER_NETWORK_INTERFACE_INTERNAL *Instance,
+ IN EFI_HANDLE ImageHandle
+ )
+{
+ EFI_STATUS Status;
+ UINT32 ProtocolType;
+ UINT32 IPv6InfoIndex;
+ EFI_IP6_ADDRESS_INFO *ThisSubnetAddrInfoIPv6;
+ EFI_REDFISH_DISCOVER_NETWORK_INTERFACE_INTERNAL *NewNetworkInterface;
+
+ if (Instance->GotSubnetInfo) {
+ return EFI_SUCCESS;
+ }
+
+ ProtocolType = Instance->NetworkProtocolType;
+ if (gRequiredProtocol [ProtocolType].GetSubnetInfo != NULL && Instance->GotSubnetInfo == FALSE) {
+ Status = gRequiredProtocol [ProtocolType].GetSubnetInfo (
+ ImageHandle,
+ Instance
+ );
+ if (EFI_ERROR (Status)) {
+ DEBUG ((DEBUG_ERROR,"%a:Faile to get Subnet infomation.\n", __FUNCTION__));
+ return Status;
+ } else {
+ DEBUG ((DEBUG_INFO,"%a:MAC address: %s\n", __FUNCTION__, Instance->StrMacAddr));
+ if (CheckIsIpVersion6 (Instance)) {
+ if (Instance->SubnetAddrInfoIPv6Number == 0) {
+ DEBUG ((DEBUG_ERROR,"%a: There is no Subnet infomation for IPv6 network interface.\n", __FUNCTION__));
+ return EFI_NOT_FOUND;
+ }
+ ThisSubnetAddrInfoIPv6 = Instance->SubnetAddrInfoIPv6; // First IPv6 address information.
+ IP6_COPY_ADDRESS (&Instance->SubnetAddr.v6, &ThisSubnetAddrInfoIPv6->Address);
+ Instance->SubnetPrefixLength = ThisSubnetAddrInfoIPv6->PrefixLength;
+ DEBUG((DEBUG_INFO," IPv6 Subnet ID:%d, Prefix length: %d.\n",
+ ThisSubnetAddrInfoIPv6->Address.Addr [7] + (UINT16)ThisSubnetAddrInfoIPv6->Address.Addr [6] * 256,
+ ThisSubnetAddrInfoIPv6->PrefixLength)
+ );
+ //
+ // If this is IPv6, then we may have to propagate network interface for IPv6 network scopes
+ // according to the Ipv6 address information.
+ //
+ ThisSubnetAddrInfoIPv6 ++;
+ for (IPv6InfoIndex = 0; IPv6InfoIndex < Instance->SubnetAddrInfoIPv6Number - 1; IPv6InfoIndex++) {
+ //
+ // Build up addtional EFI_REDFISH_DISCOVER_NETWORK_INTERFACE_INTERNAL instances.
+ //
+ NewNetworkInterface = (EFI_REDFISH_DISCOVER_NETWORK_INTERFACE_INTERNAL *)AllocateZeroPool (sizeof (EFI_REDFISH_DISCOVER_NETWORK_INTERFACE_INTERNAL));
+ if (NewNetworkInterface != NULL) {
+ CopyMem ((VOID *)NewNetworkInterface, (VOID *)Instance, sizeof (EFI_REDFISH_DISCOVER_NETWORK_INTERFACE_INTERNAL)); // Clone information of first instance.
+ IP6_COPY_ADDRESS (&NewNetworkInterface->SubnetAddr.v6, &ThisSubnetAddrInfoIPv6->Address);
+ NewNetworkInterface->SubnetPrefixLength = ThisSubnetAddrInfoIPv6->PrefixLength;
+ NewNetworkInterface->GotSubnetInfo = TRUE;
+ InsertTailList (&mEfiRedfishDiscoverNetworkInterface, &NewNetworkInterface->Entry);
+ ThisSubnetAddrInfoIPv6 ++;
+ mNumNetworkInterface ++;
+ DEBUG((DEBUG_INFO," IPv6 Subnet ID:%d, Prefix length: %d.\n",
+ ThisSubnetAddrInfoIPv6->Address.Addr [7] + (UINT16)ThisSubnetAddrInfoIPv6->Address.Addr [6] * 256,
+ ThisSubnetAddrInfoIPv6->PrefixLength)
+ );
+ } else {
+ return EFI_OUT_OF_RESOURCES;
+ }
+ }
+ } else {
+ DEBUG ((DEBUG_INFO," IPv4 Subnet:%d.%d.%d.%d Subnet mask: %d.%d.%d.%d.\n",
+ Instance->SubnetAddr.v4.Addr [0],
+ Instance->SubnetAddr.v4.Addr [1],
+ Instance->SubnetAddr.v4.Addr [2],
+ Instance->SubnetAddr.v4.Addr [3],
+ Instance->SubnetMask.v4.Addr [0],
+ Instance->SubnetMask.v4.Addr [1],
+ Instance->SubnetMask.v4.Addr [2],
+ Instance->SubnetMask.v4.Addr [3]
+ ));
+ }
+ }
+ }
+ Instance->GotSubnetInfo = TRUE; // Only try to get Subnet Info once.
+ return EFI_SUCCESS;
+}
+
+/**
+ This function gets the network interface list which Redfish discover protocol
+ can discover Redfish service on it.
+
+ @param[in] This EFI_REDFISH_DISCOVER_PROTOCOL instance.
+ @param[in] ImageHandle EFI Image handle request the network interface list,
+ @param[out] NumberOfNetworkIntfs Number of network interfaces can do Redfish service discovery.
+ @param[out] NetworkIntfInstances Network interface instances. It's an array of instance. The number of entries
+ in array is indicated by NumberOfNetworkIntfs.
+ Caller has to release the memory
+ allocated by Redfish discover protocol.
+
+ @retval EFI_SUCCESS The information of network interface is returned in NumberOfNetworkIntfs and
+ NetworkIntfInstances.
+ @retval Others Fail to return the information of network interface.
+
+**/
+EFI_STATUS
+EFIAPI
+RedfishServiceGetNetworkInterface (
+ IN EFI_REDFISH_DISCOVER_PROTOCOL *This,
+ IN EFI_HANDLE ImageHandle,
+ OUT UINTN *NumberOfNetworkIntfs,
+ OUT EFI_REDFISH_DISCOVER_NETWORK_INTERFACE **NetworkIntfInstances
+)
+{
+ EFI_REDFISH_DISCOVER_NETWORK_INTERFACE_INTERNAL *ThisNetworkInterfaceIntn;
+ EFI_REDFISH_DISCOVER_NETWORK_INTERFACE *ThisNetworkInterface;
+
+ if (NetworkIntfInstances == NULL || NumberOfNetworkIntfs == NULL || ImageHandle == NULL) {
+ return EFI_INVALID_PARAMETER;
+ }
+
+ *NumberOfNetworkIntfs = 0;
+ *NetworkIntfInstances = NULL;
+
+ if (IsListEmpty ((const LIST_ENTRY*)&mEfiRedfishDiscoverNetworkInterface)) {
+ return EFI_NOT_FOUND;
+ }
+
+ ThisNetworkInterface = (EFI_REDFISH_DISCOVER_NETWORK_INTERFACE *)AllocateZeroPool (sizeof (EFI_REDFISH_DISCOVER_NETWORK_INTERFACE) * mNumNetworkInterface);
+ if (ThisNetworkInterface == NULL) {
+ return EFI_OUT_OF_RESOURCES;
+ }
+ *NetworkIntfInstances = ThisNetworkInterface;
+ ThisNetworkInterfaceIntn = (EFI_REDFISH_DISCOVER_NETWORK_INTERFACE_INTERNAL *)GetFirstNode (&mEfiRedfishDiscoverNetworkInterface);
+ while (TRUE) {
+ ThisNetworkInterface->IsIpv6 = FALSE;
+ if (CheckIsIpVersion6 (ThisNetworkInterfaceIntn)) {
+ ThisNetworkInterface->IsIpv6 = TRUE;
+ }
+ CopyMem((VOID *)&ThisNetworkInterface->MacAddress, &ThisNetworkInterfaceIntn->MacAddress, ThisNetworkInterfaceIntn->HwAddressSize);
+ NetworkInterfaceGetSubnetInfo(ThisNetworkInterfaceIntn, ImageHandle); // Get subnet info.
+ if (!ThisNetworkInterface->IsIpv6) {
+ IP4_COPY_ADDRESS(&ThisNetworkInterface->SubnetId.v4, &ThisNetworkInterfaceIntn->SubnetAddr.v4); // IPv4 subnet information.
+ } else {
+ IP6_COPY_ADDRESS (&ThisNetworkInterface->SubnetId.v6, &ThisNetworkInterfaceIntn->SubnetAddr.v6); // IPv6 subnet information in IPv6 address information.
+ }
+ ThisNetworkInterface->SubnetPrefixLength = ThisNetworkInterfaceIntn->SubnetPrefixLength;
+ ThisNetworkInterface->VlanId = ThisNetworkInterfaceIntn->VlanId;
+ (*NumberOfNetworkIntfs) ++;
+ if (IsNodeAtEnd (&mEfiRedfishDiscoverNetworkInterface, &ThisNetworkInterfaceIntn->Entry)) {
+ break;
+ }
+ ThisNetworkInterfaceIntn = (EFI_REDFISH_DISCOVER_NETWORK_INTERFACE_INTERNAL *)GetNextNode(&mEfiRedfishDiscoverNetworkInterface, &ThisNetworkInterfaceIntn->Entry);
+ ThisNetworkInterface ++;
+ };
+ return EFI_SUCCESS;
+}
+/**
+ This function acquires Redfish services by discovering static Redfish setting
+ according to Redfish Host Interface or through SSDP. Returns a list of EFI
+ handles in EFI_REDFISH_DISCOVERED_LIST. Each of EFI handle has cooresponding
+ EFI REST EX instance installed on it. Each REST EX isntance is a child instance which
+ created through EFI REST EX serivce protoocl for communicating with specific
+ Redfish service.
+
+ @param[in] This EFI_REDFISH_DISCOVER_PROTOCOL instance.
+ @param[in] ImageHandle EFI image owns these Redfish service instances.
+ @param[in] TargetNetworkInterface Target network interface to do the discovery.
+ NULL means discover Redfish service on all network interfaces on platform.
+ @param[in] Flags Redfish service discover flags.
+ @param[in] Token EFI_REDFISH_DISCOVERED_TOKEN instance.
+ The memory of EFI_REDFISH_DISCOVERED_LIST and the strings in
+ EFI_REDFISH_DISCOVERED_INFORMATION are all allocated by Acquire()
+ and must be freed when caller invoke Release().
+
+ @retval EFI_SUCCESS REST EX instance of discovered Redfish services are returned.
+ @retval EFI_INVALID_PARAMETERS ImageHandle == NULL, Flags == 0, Token == NULL, Token->Timeout > 5,
+ or Token->Event == NULL.
+ @retval Others Fail acquire Redfish services.
+
+**/
+EFI_STATUS
+EFIAPI
+RedfishServiceAcquireService (
+ IN EFI_REDFISH_DISCOVER_PROTOCOL *This,
+ IN EFI_HANDLE ImageHandle,
+ IN EFI_REDFISH_DISCOVER_NETWORK_INTERFACE *TargetNetworkInterface,
+ IN EFI_REDFISH_DISCOVER_FLAG Flags,
+ IN EFI_REDFISH_DISCOVERED_TOKEN *Token
+ )
+{
+ EFI_REDFISH_DISCOVERED_INTERNAL_INSTANCE *Instance;
+ EFI_STATUS Status1;
+ EFI_STATUS Status2;
+ BOOLEAN NewInstance;
+ UINTN NumNetworkInterfaces;
+ UINTN NetworkInterfacesIndex;
+ EFI_REDFISH_DISCOVER_NETWORK_INTERFACE_INTERNAL *TargetNetworkInterfaceInternal;
+
+ DEBUG ((DEBUG_INFO,"%a:Entry.\n", __FUNCTION__));
+
+ //
+ // Validate parameters.
+ //
+ if (ImageHandle == NULL || Token == NULL || ((Flags & ~EFI_REDFISH_DISCOVER_VALIDATION) == 0)) {
+ DEBUG ((DEBUG_ERROR,"%a:Invalid parameters.\n", __FUNCTION__));
+ return EFI_INVALID_PARAMETER;
+ }
+ //
+ // Validate target network interface.
+ //
+ if (EFI_ERROR (ValidateTargetNetworkInterface (TargetNetworkInterface, Flags))) {
+ return EFI_UNSUPPORTED;
+ }
+ if (TargetNetworkInterface != NULL) {
+ TargetNetworkInterfaceInternal = GetTargetNetworkInterfaceInternal (TargetNetworkInterface);
+ NumNetworkInterfaces = 1;
+ } else {
+ TargetNetworkInterfaceInternal = (EFI_REDFISH_DISCOVER_NETWORK_INTERFACE_INTERNAL *)GetFirstNode (&mEfiRedfishDiscoverNetworkInterface);
+ NumNetworkInterfaces = NumberOfNetworkInterface ();
+ if (NumNetworkInterfaces == 0) {
+ DEBUG ((DEBUG_ERROR,"%a:No network interface on platform.\n", __FUNCTION__));
+ return EFI_UNSUPPORTED;
+ }
+ }
+ for (NetworkInterfacesIndex = 0; NetworkInterfacesIndex < NumNetworkInterfaces; NetworkInterfacesIndex ++) {
+ Status1 = EFI_SUCCESS;
+ Status2 = EFI_SUCCESS;
+ NewInstance = FALSE;
+ Instance = GetInstanceByOwner (ImageHandle, TargetNetworkInterfaceInternal, Flags & ~EFI_REDFISH_DISCOVER_VALIDATION); // Check if we can re-use previous instance.
+ if (Instance == NULL) {
+ DEBUG ((DEBUG_INFO,"%a:Create new EFI_REDFISH_DISCOVERED_INTERNAL_INSTANCE.\n", __FUNCTION__));
+ Instance = (EFI_REDFISH_DISCOVERED_INTERNAL_INSTANCE *)AllocateZeroPool(sizeof(EFI_REDFISH_DISCOVERED_INTERNAL_INSTANCE));
+ if (Instance == NULL) {
+ DEBUG ((DEBUG_ERROR,"%a:Memory allocation fail.\n", __FUNCTION__));
+ }
+ InitializeListHead (&Instance->Entry);
+ Instance->Owner = ImageHandle;
+ Instance->DiscoverFlags = Flags & ~EFI_REDFISH_DISCOVER_VALIDATION;
+ Instance->NetworkInterface = TargetNetworkInterfaceInternal;
+ //
+ // Get subnet information in case subnet information is not set because
+ // RedfishServiceGetNetworkInterfaces hasn't been called yet.
+ //
+ NetworkInterfaceGetSubnetInfo (TargetNetworkInterfaceInternal, ImageHandle);
+ NewInstance = TRUE;
+ }
+ if (TargetNetworkInterfaceInternal->StrMacAddr != NULL) {
+ DEBUG((DEBUG_INFO,"%a:Acquire Redfish service on network interface MAC address:%s.\n", __FUNCTION__, TargetNetworkInterfaceInternal->StrMacAddr));
+ } else {
+ DEBUG((DEBUG_INFO,"%a:WARNING: No MAC address on this network interface.\n", __FUNCTION__));
+ }
+
+ Instance->DiscoverToken = Token; // Always use the latest Token passed by caller.
+ if ((Flags & EFI_REDFISH_DISCOVER_HOST_INTERFACE) != 0) {
+ DEBUG ((DEBUG_INFO,"%a:Redfish HOST interface discovery.\n", __FUNCTION__));
+ Instance->HostIntfValidation = FALSE;
+ if ((Flags & EFI_REDFISH_DISCOVER_VALIDATION) != 0) {
+ Instance->HostIntfValidation = TRUE;
+ }
+ Status1 = DiscoverRedfishHostInterface (Instance); // Discover Redfish service through Redfish Host Interface.
+ }
+ if ((Flags & EFI_REDFISH_DISCOVER_SSDP) != 0) {
+ DEBUG ((DEBUG_ERROR,"%a:Redfish service discovery through SSDP is not supported\n", __FUNCTION__));
+ return EFI_UNSUPPORTED;
+ } else {
+ if (EFI_ERROR (Status1) && EFI_ERROR (Status2)) {
+ FreePool ((VOID *)Instance);
+ DEBUG ((DEBUG_ERROR,"%a:Something wrong on Redfish service discovery Status1=%x, Status2=%x.\n", __FUNCTION__, Status1, Status2));
+ } else {
+ if (NewInstance) {
+ InsertTailList(&mRedfishDiscoverList, &Instance->Entry);
+ }
+ }
+ }
+ if (TargetNetworkInterface == NULL) {
+ //
+ // Discover Redfish services on all of network interfaces.
+ //
+ TargetNetworkInterfaceInternal = (EFI_REDFISH_DISCOVER_NETWORK_INTERFACE_INTERNAL *)GetNextNode(&mEfiRedfishDiscoverNetworkInterface, &TargetNetworkInterfaceInternal->Entry);
+ }
+ }
+ return EFI_SUCCESS;
+}
+
+/**
+ This function aborts Redfish service discovery on the given network interface.
+
+ @param[in] This EFI_REDFISH_DISCOVER_PROTOCOL instance.
+ @param[in] TargetNetworkInterface Target network interface to do the discovery.
+
+ @retval EFI_SUCCESS REST EX instance of discovered Redfish services are returned.
+ @retval Others Fail to abort Redfish service discovery.
+
+**/
+EFI_STATUS
+EFIAPI
+RedfishServiceAbortAcquire (
+ IN EFI_REDFISH_DISCOVER_PROTOCOL *This,
+ IN EFI_REDFISH_DISCOVER_NETWORK_INTERFACE *TargetNetworkInterface OPTIONAL
+)
+{
+ // This function is used to abort Redfish service discovery through SSDP
+ // on the network interface. SSDP is optionally supprted by EFI_REDFISH_DISCOVER_PROTOCOL,
+ // we dont have implementation for SSDP now.
+
+ return EFI_UNSUPPORTED;
+}
+
+/**
+ This function releases Redfish services found by RedfishServiceAcquire().
+
+ @param[in] This EFI_REDFISH_DISCOVER_PROTOCOL instance.
+ @param[in] InstanceList The Redfish service to release.
+
+ @retval EFI_SUCCESS REST EX instances of discovered Redfish are released.
+ @retval Others Fail to remove the entry
+
+**/
+EFI_STATUS
+EFIAPI
+RedfishServiceReleaseService (
+ IN EFI_REDFISH_DISCOVER_PROTOCOL *This,
+ IN EFI_REDFISH_DISCOVERED_LIST *InstanceList
+ )
+{
+ UINTN NumService;
+ BOOLEAN AnyFailRelease;
+ EFI_REDFISH_DISCOVERED_INSTANCE *ThisRedfishInstance;
+ EFI_REDFISH_DISCOVERED_INTERNAL_LIST *DiscoveredRedfishInstance;
+
+ if (IsListEmpty (&mRedfishInstanceList)) {
+ DEBUG ((DEBUG_ERROR,"%a:No any discovered Redfish service.\n", __FUNCTION__));
+ return EFI_NOT_FOUND;
+ }
+ AnyFailRelease = FALSE;
+ ThisRedfishInstance = InstanceList->RedfishInstances;
+ for (NumService = 0; NumService < InstanceList->NumberOfServiceFound; NumService ++) {
+ DiscoveredRedfishInstance = (EFI_REDFISH_DISCOVERED_INTERNAL_LIST *)GetFirstNode(&mRedfishInstanceList);
+ do {
+ if (DiscoveredRedfishInstance->Instance == ThisRedfishInstance) {
+ RemoveEntryList (&DiscoveredRedfishInstance->NextInstance);
+ if (ThisRedfishInstance->Information.Location != NULL) {
+ FreePool (ThisRedfishInstance->Information.Location);
+ }
+ if (ThisRedfishInstance->Information.Uuid != NULL) {
+ FreePool (ThisRedfishInstance->Information.Uuid);
+ }
+ if (ThisRedfishInstance->Information.Os != NULL) {
+ FreePool (ThisRedfishInstance->Information.Os);
+ }
+ if (ThisRedfishInstance->Information.OsVersion != NULL) {
+ FreePool (ThisRedfishInstance->Information.OsVersion);
+ }
+ if (ThisRedfishInstance->Information.Product != NULL) {
+ FreePool (ThisRedfishInstance->Information.Product);
+ }
+ if (ThisRedfishInstance->Information.ProductVer != NULL) {
+ FreePool (ThisRedfishInstance->Information.ProductVer);
+ }
+ FreePool((VOID *)ThisRedfishInstance);
+ goto ReleaseNext;
+ }
+
+ if (IsNodeAtEnd(&mRedfishInstanceList, &DiscoveredRedfishInstance->NextInstance)) {
+ break;
+ }
+ DiscoveredRedfishInstance = (EFI_REDFISH_DISCOVERED_INTERNAL_LIST *)GetNextNode(&mRedfishInstanceList, &DiscoveredRedfishInstance->NextInstance);
+ } while (TRUE);
+ AnyFailRelease = TRUE;
+ReleaseNext:;
+ //
+ // Release next discovered Redfish Service.
+ //
+ ThisRedfishInstance = (EFI_REDFISH_DISCOVERED_INSTANCE *)((UINT8 *)ThisRedfishInstance + sizeof (EFI_REDFISH_DISCOVERED_INSTANCE));
+ }
+ if (AnyFailRelease) {
+ return EFI_NOT_FOUND;
+ } else {
+ return EFI_SUCCESS;
+ }
+}
+
+EFI_REDFISH_DISCOVER_PROTOCOL mRedfishDiscover = {
+ RedfishServiceGetNetworkInterface,
+ RedfishServiceAcquireService,
+ RedfishServiceAbortAcquire,
+ RedfishServiceReleaseService
+};
+
+/**
+ This function create an EFI_REDFISH_DISCOVER_NETWORK_INTERFACE_INTERNAL for the
+ given network interface.
+
+
+ @param[in] ControllerHandle MAC address of this network interface.
+ @param[in] NetworkProtocolType Network protocol type.
+ @param[out] IsNewInstance BOOLEAN means new instance or not.
+ @param[out] NetworkInterface Pointer to to EFI_REDFISH_DISCOVER_NETWORK_INTERFACE_INTERNAL.
+
+ @retval EFI_STATUS
+**/
+EFI_STATUS
+CreateRedfishDiscoverNetworkInterface (
+ IN EFI_HANDLE ControllerHandle,
+ IN UINT32 NetworkProtocolType,
+ OUT BOOLEAN *IsNewInstance,
+ OUT EFI_REDFISH_DISCOVER_NETWORK_INTERFACE_INTERNAL **NetworkInterface
+ )
+{
+ EFI_MAC_ADDRESS MacAddress;
+ UINTN HwAddressSize;
+ EFI_REDFISH_DISCOVER_NETWORK_INTERFACE_INTERNAL *ThisNetworkInterface;
+ EFI_REDFISH_DISCOVER_NETWORK_INTERFACE_INTERNAL *NewNetworkInterface;
+
+ NetLibGetMacAddress (ControllerHandle, &MacAddress, &HwAddressSize);
+ NewNetworkInterface = NULL;
+ *IsNewInstance = TRUE;
+ if (!IsListEmpty ((const LIST_ENTRY*)&mEfiRedfishDiscoverNetworkInterface)) {
+ //
+ // Check if this instance already exist.
+ //
+ ThisNetworkInterface = (EFI_REDFISH_DISCOVER_NETWORK_INTERFACE_INTERNAL *)GetFirstNode (&mEfiRedfishDiscoverNetworkInterface);
+ if (ThisNetworkInterface != NULL) {
+ while (TRUE) {
+ if ((CompareMem ((CONST VOID *)&ThisNetworkInterface->MacAddress.Addr, (CONST VOID *)&MacAddress.Addr, HwAddressSize) == 0) &&
+ (ThisNetworkInterface->NetworkProtocolType == NetworkProtocolType)){
+ NewNetworkInterface = ThisNetworkInterface;
+ *IsNewInstance = FALSE;
+ break;
+ }
+ if (IsNodeAtEnd (&mEfiRedfishDiscoverNetworkInterface, &ThisNetworkInterface->Entry)) {
+ NewNetworkInterface = NULL;
+ break;
+ }
+ ThisNetworkInterface = (EFI_REDFISH_DISCOVER_NETWORK_INTERFACE_INTERNAL *)GetNextNode(&mEfiRedfishDiscoverNetworkInterface, &ThisNetworkInterface->Entry);
+ };
+ }
+ }
+ if (NewNetworkInterface == NULL) {
+ //
+ // Create a new instance.
+ //
+ NewNetworkInterface = (EFI_REDFISH_DISCOVER_NETWORK_INTERFACE_INTERNAL *)AllocateZeroPool (sizeof (EFI_REDFISH_DISCOVER_NETWORK_INTERFACE_INTERNAL));
+ if (NewNetworkInterface == NULL) {
+ return EFI_OUT_OF_RESOURCES;
+ }
+ NewNetworkInterface->HwAddressSize = HwAddressSize;
+ CopyMem (&NewNetworkInterface->MacAddress.Addr, &MacAddress.Addr, NewNetworkInterface->HwAddressSize);
+ NetLibGetMacString (ControllerHandle, NULL, &NewNetworkInterface->StrMacAddr);
+ NewNetworkInterface->VlanId = NetLibGetVlanId (ControllerHandle);
+ }
+ *NetworkInterface = NewNetworkInterface;
+ return EFI_SUCCESS;
+}
+
+/**
+ This function destory network interface
+
+
+ @param[in] ThisNetworkInterface EFI_REDFISH_DISCOVER_NETWORK_INTERFACE_INTERNAL instance.
+
+ @retval EFI_STATUS
+**/
+EFI_STATUS
+DestroyRedfishNetwrokInterface (
+ IN EFI_REDFISH_DISCOVER_NETWORK_INTERFACE_INTERNAL *ThisNetworkInterface
+ )
+{
+ EFI_STATUS Status;
+
+ Status = gBS->UninstallProtocolInterface(
+ ThisNetworkInterface->OpenDriverControllerHandle,
+ gRequiredProtocol [ThisNetworkInterface->NetworkProtocolType].DiscoveredProtocolGuid,
+ &ThisNetworkInterface->NetworkInterfaceProtocolInfo.ProtocolDiscoverId
+ );
+ RemoveEntryList (&ThisNetworkInterface->Entry);
+ mNumNetworkInterface --;
+ FreePool (ThisNetworkInterface);
+ return Status;
+}
+
+/**
+ Tests to see if the required protocols are provided on the given
+ controller handle.
+
+ @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.
+ @retval EFI_SUCCESS One of required protocol is found.
+ @retval EFI_UNSUPPORTED None of required protocol is found.
+**/
+EFI_STATUS
+TestForRequiredProtocols (
+ IN EFI_DRIVER_BINDING_PROTOCOL *This,
+ IN EFI_HANDLE ControllerHandle
+ )
+{
+ UINT32 Id;
+ UINTN Index;
+ EFI_STATUS Status;
+
+ for (Index = 0; Index < (sizeof (gRequiredProtocol) / sizeof (REDFISH_DISCOVER_REQUIRED_PROTOCOL)); Index ++) {
+ Status = gBS->OpenProtocol (
+ ControllerHandle,
+ gRequiredProtocol [Index].RequiredServiceBindingProtocolGuid,
+ NULL,
+ This->DriverBindingHandle,
+ ControllerHandle,
+ EFI_OPEN_PROTOCOL_TEST_PROTOCOL
+ );
+ if (!EFI_ERROR (Status)) {
+ Status = gBS->OpenProtocol (
+ ControllerHandle,
+ gRequiredProtocol [Index].DiscoveredProtocolGuid,
+ (VOID **) &Id,
+ This->DriverBindingHandle,
+ ControllerHandle,
+ EFI_OPEN_PROTOCOL_GET_PROTOCOL
+ );
+ if (EFI_ERROR (Status)) {
+ DEBUG((DEBUG_ERROR, "%a: %s is found on this controller handle.\n", __FUNCTION__, gRequiredProtocol [Index].ProtocolName));
+ return EFI_SUCCESS;
+ }
+ }
+ }
+ return EFI_UNSUPPORTED;
+}
+
+/**
+ Build up network interface and create corresponding service through the given
+ controller handle.
+
+ @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.
+ @retval EFI_SUCCESS One of required protocol is found.
+ @retval EFI_UNSUPPORTED None of required protocol is found.
+ @retval EFI_UNSUPPORTED Failed to build up network interface.
+**/
+EFI_STATUS
+BuildupNetworkInterface (
+ IN EFI_DRIVER_BINDING_PROTOCOL *This,
+ IN EFI_HANDLE ControllerHandle
+ )
+{
+ UINT32 Id;
+ UINT32 Index;
+ EFI_REDFISH_DISCOVER_NETWORK_INTERFACE_INTERNAL *NetworkInterface;
+ BOOLEAN IsNew;
+ EFI_STATUS Status;
+ VOID *TempInterface;
+ VOID **Interface;
+ UINT32 *ProtocolDiscoverIdPtr;
+ EFI_HANDLE OpenDriverAgentHandle;
+ EFI_HANDLE OpenDriverControllerHandle;
+ EFI_HANDLE *HandleOfProtocolInterfacePtr;
+ EFI_REDFISH_DISCOVER_REST_EX_INSTANCE_INTERNAL *RestExInstance;
+ EFI_TPL OldTpl;
+ BOOLEAN NewNetworkInterfaceInstalled;
+
+ NewNetworkInterfaceInstalled = FALSE;
+ Index = 0;
+ do {
+ Status = gBS->OpenProtocol ( // Already in list?
+ ControllerHandle,
+ gRequiredProtocol [Index].DiscoveredProtocolGuid,
+ (VOID **) &Id,
+ This->DriverBindingHandle,
+ ControllerHandle,
+ EFI_OPEN_PROTOCOL_GET_PROTOCOL
+ );
+ if (!EFI_ERROR (Status)) {
+ Index ++;
+ if (Index == (sizeof(gRequiredProtocol) / sizeof(REDFISH_DISCOVER_REQUIRED_PROTOCOL))) {
+ break;
+ }
+ continue;
+ }
+
+ Status = gBS->OpenProtocol (
+ ControllerHandle,
+ gRequiredProtocol [Index].RequiredServiceBindingProtocolGuid,
+ &TempInterface,
+ This->DriverBindingHandle,
+ ControllerHandle,
+ EFI_OPEN_PROTOCOL_GET_PROTOCOL
+ );
+ if (EFI_ERROR (Status)) {
+ Index ++;
+ if (Index == (sizeof(gRequiredProtocol) / sizeof(REDFISH_DISCOVER_REQUIRED_PROTOCOL))) {
+ break;
+ }
+ continue;
+ }
+ if (gRequiredProtocol [Index].ProtocolType != ProtocolTypeRestEx) {
+ OldTpl = gBS->RaiseTPL (EFI_REDFISH_DISCOVER_NETWORK_INTERFACE_TPL);
+ Status = CreateRedfishDiscoverNetworkInterface(ControllerHandle, gRequiredProtocol [Index].ProtocolType, &IsNew, &NetworkInterface);
+ if (EFI_ERROR (Status)) {
+ gBS->RestoreTPL (OldTpl);
+ return Status;
+ }
+ NetworkInterface->NetworkProtocolType = gRequiredProtocol [Index].ProtocolType;
+ NetworkInterface->OpenDriverAgentHandle = This->DriverBindingHandle;
+ NetworkInterface->OpenDriverControllerHandle = ControllerHandle;
+ NetworkInterface->NetworkInterfaceProtocolInfo.ProtocolGuid = \
+ *gRequiredProtocol [Index].RequiredProtocolGuid;
+ NetworkInterface->NetworkInterfaceProtocolInfo.ProtocolServiceGuid = \
+ *gRequiredProtocol [Index].RequiredServiceBindingProtocolGuid;
+ ProtocolDiscoverIdPtr = &NetworkInterface->NetworkInterfaceProtocolInfo.ProtocolDiscoverId;
+ OpenDriverAgentHandle = NetworkInterface->OpenDriverAgentHandle;
+ OpenDriverControllerHandle = NetworkInterface->OpenDriverControllerHandle;
+ HandleOfProtocolInterfacePtr = &NetworkInterface->NetworkInterfaceProtocolInfo.ProtocolControllerHandle;
+ Interface = &NetworkInterface->NetworkInterfaceProtocolInfo.NetworkProtocolInterface;
+ NewNetworkInterfaceInstalled = TRUE;
+ if (IsNew) {
+ InsertTailList (&mEfiRedfishDiscoverNetworkInterface, &NetworkInterface->Entry);
+ mNumNetworkInterface ++;
+ }
+ gBS->RestoreTPL (OldTpl);
+ } else {
+ // Record REST_EX instance. REST_EX is created when clinet asks for Redfish service discovery.
+ // Redfish Service Discover protocol will match REST EX to the corresponding EFI_REDFISH_DISCOVER_NETWORK_INTERFACE_INTERNAL
+ // when discovery.
+
+ RestExInstance = (EFI_REDFISH_DISCOVER_REST_EX_INSTANCE_INTERNAL *)AllocateZeroPool (sizeof (EFI_REDFISH_DISCOVER_REST_EX_INSTANCE_INTERNAL));
+ if (RestExInstance == NULL) {
+ return EFI_OUT_OF_RESOURCES;
+ }
+ RestExInstance->OpenDriverAgentHandle = This->DriverBindingHandle;
+ RestExInstance->OpenDriverControllerHandle = ControllerHandle;
+ RestExInstance->RestExControllerHandle = ControllerHandle;
+ InitializeListHead (&RestExInstance->Entry);
+ InsertTailList (&mEfiRedfishDiscoverRestExInstance, &RestExInstance->Entry);
+ mNumRestExInstance ++;
+ ProtocolDiscoverIdPtr = &RestExInstance->RestExId;
+ OpenDriverAgentHandle = RestExInstance->OpenDriverAgentHandle;
+ OpenDriverControllerHandle = RestExInstance->OpenDriverControllerHandle;
+ HandleOfProtocolInterfacePtr = &RestExInstance->RestExChildHandle;
+ Interface = (VOID **)&RestExInstance->RestExProtocolInterface;
+ }
+ Status = gBS->InstallProtocolInterface (
+ &ControllerHandle,
+ gRequiredProtocol [Index].DiscoveredProtocolGuid,
+ EFI_NATIVE_INTERFACE,
+ ProtocolDiscoverIdPtr
+ );
+ if (EFI_ERROR (Status)) {
+ Index ++;
+ if (Index == (sizeof(gRequiredProtocol) / sizeof(REDFISH_DISCOVER_REQUIRED_PROTOCOL))) {
+ break;
+ }
+ continue;
+ }
+ //
+ // Create service binding child and open it BY_DRIVER.
+ //
+ Status = NetLibCreateServiceChild (
+ ControllerHandle,
+ This->ImageHandle,
+ gRequiredProtocol [Index].RequiredServiceBindingProtocolGuid,
+ HandleOfProtocolInterfacePtr
+ );
+ if (!EFI_ERROR (Status)) {
+ Status = gBS->OpenProtocol (
+ *HandleOfProtocolInterfacePtr,
+ gRequiredProtocol [Index].RequiredProtocolGuid,
+ Interface,
+ OpenDriverAgentHandle,
+ OpenDriverControllerHandle,
+ EFI_OPEN_PROTOCOL_BY_DRIVER
+ );
+ if (!EFI_ERROR (Status)) {
+ if (EfiRedfishDiscoverProtocolHandle == NULL &&
+ (gRequiredProtocol [Index].ProtocolType == ProtocolTypeRestEx) &&
+ !IsListEmpty (&mEfiRedfishDiscoverNetworkInterface)
+ ) {
+ // Install the fisrt Redfish Discover Protocol when EFI REST EX protcol is discovered.
+ // This ensures EFI REST EX is ready while EFI_REDFISH_DISCOVER_PROTOCOL consumer acquires
+ // Redfish serivce over network interface.
+
+ Status = gBS->InstallProtocolInterface (
+ &EfiRedfishDiscoverProtocolHandle,
+ &gEfiRedfishDiscoverProtocolGuid,
+ EFI_NATIVE_INTERFACE,
+ (VOID *)&mRedfishDiscover
+ );
+ } else if (EfiRedfishDiscoverProtocolHandle != NULL && NewNetworkInterfaceInstalled) {
+ Status = gBS->ReinstallProtocolInterface (
+ EfiRedfishDiscoverProtocolHandle,
+ &gEfiRedfishDiscoverProtocolGuid,
+ (VOID *)&mRedfishDiscover,
+ (VOID *)&mRedfishDiscover
+ );
+ NewNetworkInterfaceInstalled = FALSE;
+ }
+ }
+ return Status;
+ } else {
+ Index ++;
+ if (Index == (sizeof(gRequiredProtocol) / sizeof(REDFISH_DISCOVER_REQUIRED_PROTOCOL))) {
+ break;
+ }
+ continue;
+ }
+ } while (Index < (sizeof(gRequiredProtocol) / sizeof(REDFISH_DISCOVER_REQUIRED_PROTOCOL)));
+ return EFI_UNSUPPORTED;
+}
+/**
+ Close the protocol opened for Redfish discovery. This function also destories
+ the network services.
+
+ @param[in] ThisBindingProtocol 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] ThisRequiredProtocol Pointer to the instance of REDFISH_DISCOVER_REQUIRED_PROTOCOL.
+ @param[in] DriverAgentHandle Driver agent handle which used to open protocol earlier.
+ @param[in] DriverControllerHandle Driver controller handle which used to open protocol earlier.
+
+ @retval EFI_SUCCESS Prorocol is closed successfully.
+ @retval Others Prorocol is closed unsuccessfully.
+
+**/
+EFI_STATUS
+CloseProtocolService (
+ IN EFI_DRIVER_BINDING_PROTOCOL *ThisBindingProtocol,
+ IN EFI_HANDLE ControllerHandle,
+ IN REDFISH_DISCOVER_REQUIRED_PROTOCOL *ThisRequiredProtocol,
+ IN EFI_HANDLE DriverAgentHandle,
+ IN EFI_HANDLE DriverControllerHandle
+)
+{
+ EFI_STATUS Status;
+
+ Status = gBS->CloseProtocol (
+ ControllerHandle,
+ ThisRequiredProtocol->RequiredProtocolGuid,
+ DriverAgentHandle,
+ DriverControllerHandle
+ );
+ if (!EFI_ERROR (Status)) {
+ NetLibDestroyServiceChild(
+ ControllerHandle,
+ ThisBindingProtocol->ImageHandle,
+ ThisRequiredProtocol->RequiredServiceBindingProtocolGuid,
+ ControllerHandle
+ );
+ }
+ return Status;
+}
+/**
+ Stop the services on network interface.
+
+ @param[in] ThisBindingProtocol 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.
+ @retval EFI_SUCCESS One of required protocol is found.
+ @retval Others Faile to stop the services on network interface.
+**/
+EFI_STATUS
+StopServiceOnNetworkInterface (
+ IN EFI_DRIVER_BINDING_PROTOCOL *ThisBindingProtocol,
+ IN EFI_HANDLE ControllerHandle
+ )
+{
+ UINT32 Index;
+ EFI_STATUS Status;
+ VOID *Interface;
+ EFI_TPL OldTpl;
+ EFI_REDFISH_DISCOVER_NETWORK_INTERFACE_INTERNAL *ThisNetworkInterface;
+ EFI_REDFISH_DISCOVER_REST_EX_INSTANCE_INTERNAL *RestExInstance;
+
+ for (Index = 0; Index < (sizeof (gRequiredProtocol) / sizeof (REDFISH_DISCOVER_REQUIRED_PROTOCOL)); Index ++) {
+ Status = gBS->HandleProtocol (
+ ControllerHandle,
+ gRequiredProtocol [Index].RequiredProtocolGuid,
+ (VOID **)&Interface
+ );
+ if (!EFI_ERROR (Status)) {
+ if (gRequiredProtocol [Index].ProtocolType != ProtocolTypeRestEx) {
+ if (IsListEmpty (&mEfiRedfishDiscoverNetworkInterface)) {
+ return EFI_NOT_FOUND;
+ }
+ OldTpl = gBS->RaiseTPL (EFI_REDFISH_DISCOVER_NETWORK_INTERFACE_TPL);
+ ThisNetworkInterface = (EFI_REDFISH_DISCOVER_NETWORK_INTERFACE_INTERNAL *)GetFirstNode (&mEfiRedfishDiscoverNetworkInterface);
+ while (TRUE) {
+ if (ThisNetworkInterface->NetworkInterfaceProtocolInfo.ProtocolControllerHandle == ControllerHandle) {
+
+ Status = CloseProtocolService ( // Close protocol and destroy service.
+ ThisBindingProtocol,
+ ControllerHandle,
+ &gRequiredProtocol [Index],
+ ThisNetworkInterface->OpenDriverAgentHandle,
+ ThisNetworkInterface->OpenDriverControllerHandle
+ );
+ if (!EFI_ERROR (Status)) {
+ Status = DestroyRedfishNetwrokInterface (ThisNetworkInterface);
+ }
+ gBS->RestoreTPL (OldTpl);
+ // Reinstall Redfish Discover protocol to notify network
+ // interface change.
+
+ Status = gBS->ReinstallProtocolInterface (
+ EfiRedfishDiscoverProtocolHandle,
+ &gEfiRedfishDiscoverProtocolGuid,
+ (VOID *)&mRedfishDiscover,
+ (VOID *)&mRedfishDiscover
+ );
+ if (EFI_ERROR (Status)) {
+ DEBUG((DEBUG_ERROR, "%a: Reinstall gEfiRedfishDiscoverProtocolGuid fail.", __FUNCTION__));
+ }
+ return Status;
+ }
+ if (IsNodeAtEnd (&mEfiRedfishDiscoverNetworkInterface, &ThisNetworkInterface->Entry)) {
+ break;
+ }
+ ThisNetworkInterface = (EFI_REDFISH_DISCOVER_NETWORK_INTERFACE_INTERNAL *)GetNextNode(&mEfiRedfishDiscoverNetworkInterface, &ThisNetworkInterface->Entry);
+ };
+ gBS->RestoreTPL (OldTpl);
+ } else {
+ if (IsListEmpty (&mEfiRedfishDiscoverRestExInstance)) {
+ return EFI_NOT_FOUND;
+ }
+ OldTpl = gBS->RaiseTPL (EFI_REDFISH_DISCOVER_NETWORK_INTERFACE_TPL);
+ RestExInstance = (EFI_REDFISH_DISCOVER_REST_EX_INSTANCE_INTERNAL *)GetFirstNode (&mEfiRedfishDiscoverRestExInstance);
+ while (TRUE) {
+ if (RestExInstance->RestExChildHandle == ControllerHandle) {
+ Status = CloseProtocolService ( // Close REST_EX protocol.
+ ThisBindingProtocol,
+ ControllerHandle,
+ &gRequiredProtocol [Index],
+ RestExInstance->OpenDriverAgentHandle,
+ RestExInstance->OpenDriverControllerHandle
+ );
+ RemoveEntryList (&RestExInstance->Entry);
+ FreePool ((VOID *)RestExInstance);
+ mNumRestExInstance --;
+ gBS->RestoreTPL (OldTpl);
+ return Status;
+ }
+ if (IsNodeAtEnd (&mEfiRedfishDiscoverRestExInstance, &RestExInstance->Entry)) {
+ break;
+ }
+ RestExInstance = (EFI_REDFISH_DISCOVER_REST_EX_INSTANCE_INTERNAL *)GetNextNode(&mEfiRedfishDiscoverRestExInstance, &RestExInstance->Entry);
+ };
+ gBS->RestoreTPL (OldTpl);
+ }
+ }
+ }
+ return EFI_NOT_FOUND;
+}
+/**
+ 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().
+ Because 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
+RedfishDiscoverDriverBindingSupported (
+ IN EFI_DRIVER_BINDING_PROTOCOL *This,
+ IN EFI_HANDLE ControllerHandle,
+ IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath OPTIONAL
+ )
+{
+ return TestForRequiredProtocols (This, ControllerHandle);
+}
+
+/**
+ 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
+RedfishDiscoverDriverBindingStart (
+ IN EFI_DRIVER_BINDING_PROTOCOL *This,
+ IN EFI_HANDLE ControllerHandle,
+ IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath OPTIONAL
+ )
+{
+ return BuildupNetworkInterface (This, ControllerHandle);
+}
+
+/**
+ 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
+RedfishDiscoverDriverBindingStop (
+ IN EFI_DRIVER_BINDING_PROTOCOL *This,
+ IN EFI_HANDLE ControllerHandle,
+ IN UINTN NumberOfChildren,
+ IN EFI_HANDLE *ChildHandleBuffer OPTIONAL
+ )
+{
+ return StopServiceOnNetworkInterface (This, ControllerHandle);
+}
+
+EFI_DRIVER_BINDING_PROTOCOL gRedfishDiscoverDriverBinding = {
+ RedfishDiscoverDriverBindingSupported,
+ RedfishDiscoverDriverBindingStart,
+ RedfishDiscoverDriverBindingStop,
+ REDFISH_DISCOVER_VERSION,
+ NULL,
+ NULL
+};
+
+/**
+ This is the declaration of an EFI image entry point.
+
+ @param ImageHandle The firmware allocated handle for the UEFI image.
+ @param SystemTable A pointer to the EFI System Table.
+
+ @retval EFI_SUCCESS The operation completed successfully.
+ @retval Others An unexpected error occurred.
+**/
+EFI_STATUS
+EFIAPI
+RedfishDiscoverEntryPoint (
+ IN EFI_HANDLE ImageHandle,
+ IN EFI_SYSTEM_TABLE *SystemTable
+ )
+{
+ EFI_STATUS Status;
+
+ Status = EFI_SUCCESS;
+ InitializeListHead (&mRedfishDiscoverList);
+ InitializeListHead (&mRedfishInstanceList);
+ InitializeListHead (&mEfiRedfishDiscoverNetworkInterface);
+ InitializeListHead (&mEfiRedfishDiscoverRestExInstance);
+ //
+ // Install binding protoocl to obtain UDP and REST EX protocol.
+ //
+ Status = EfiLibInstallDriverBindingComponentName2 (
+ ImageHandle,
+ SystemTable,
+ &gRedfishDiscoverDriverBinding,
+ ImageHandle,
+ &gRedfishDiscoverComponentName,
+ &gRedfishDiscoverComponentName2
+ );
+ return Status;
+}
+
+/**
+ This is the unload handle for Redfish discover module.
+
+ Disconnect the driver specified by ImageHandle from all the devices in the handle database.
+ Uninstall all the protocols installed in the driver entry point.
+
+ @param[in] ImageHandle The drivers' driver image.
+
+ @retval EFI_SUCCESS The image is unloaded.
+ @retval Others Failed to unload the image.
+
+**/
+EFI_STATUS
+EFIAPI
+RedfishDiscoverUnload (
+ IN EFI_HANDLE ImageHandle
+ )
+{
+ EFI_STATUS Status;
+ EFI_REDFISH_DISCOVER_NETWORK_INTERFACE_INTERNAL *ThisNetworkInterface;
+
+ Status = EFI_SUCCESS;
+ // Destroy all network interfaces found by EFI Redfish Discover driver and
+ // stop services created for Redfish Discover.
+
+ while (!IsListEmpty (&mEfiRedfishDiscoverNetworkInterface)) {
+ ThisNetworkInterface = (EFI_REDFISH_DISCOVER_NETWORK_INTERFACE_INTERNAL *)GetFirstNode (&mEfiRedfishDiscoverNetworkInterface);
+ StopServiceOnNetworkInterface (&gRedfishDiscoverDriverBinding, ThisNetworkInterface->NetworkInterfaceProtocolInfo.ProtocolControllerHandle);
+ };
+ // Disconnect EFI Redfish discover driver controller to notify the
+ // clinet which uses .EFI Redfish discover protocol.
+
+ if (EfiRedfishDiscoverProtocolHandle != NULL) {
+ //
+ // Notify user EFI_REDFISH_DISCOVER_PROTOCOL is unloaded.
+ //
+ gBS->DisconnectController (EfiRedfishDiscoverProtocolHandle, NULL, NULL);
+ Status = gBS->UninstallProtocolInterface(
+ EfiRedfishDiscoverProtocolHandle,
+ &gEfiRedfishDiscoverProtocolGuid,
+ (VOID *)&mRedfishDiscover
+ );
+ }
+ return Status;
+}
diff --git a/RedfishPkg/RedfishDiscoverDxe/RedfishSmbiosHostInterface.c b/RedfishPkg/RedfishDiscoverDxe/RedfishSmbiosHostInterface.c
new file mode 100644
index 0000000000..f3ad36ec3a
--- /dev/null
+++ b/RedfishPkg/RedfishDiscoverDxe/RedfishSmbiosHostInterface.c
@@ -0,0 +1,118 @@
+/** @file
+ RedfishSmbiosHostInterface.c
+
+ Discover Redfish SMBIOS Host Interface.
+
+ (C) Copyright 2021 Hewlett Packard Enterprise Development LP<BR>
+
+ SPDX-License-Identifier: BSD-2-Clause-Patent
+
+**/
+
+#include "RedfishDiscoverInternal.h"
+
+SMBIOS_TABLE_TYPE42 *mType42Record;
+
+/**
+ The function gets information reported in Redfish Host Interface.
+
+ It simply frees the packet.
+
+ @param[in] Smbios SMBIOS protocol.
+ @param[out] DeviceDescriptor Pointer to REDFISH_INTERFACE_DATA.
+ @param[out] ProtocolData Pointer to REDFISH_OVER_IP_PROTOCOL_DATA.
+
+ @retval EFI_SUCCESS Get host interface succesfully.
+ @retval Otherwise Fail to tet host interface.
+
+**/
+EFI_STATUS
+RedfishGetHostInterfaceProtocolData (
+ IN EFI_SMBIOS_PROTOCOL *Smbios,
+ OUT REDFISH_INTERFACE_DATA **DeviceDescriptor,
+ OUT REDFISH_OVER_IP_PROTOCOL_DATA **ProtocolData
+ )
+{
+ EFI_STATUS Status;
+ EFI_SMBIOS_HANDLE SmbiosHandle;
+ EFI_SMBIOS_TABLE_HEADER *Record;
+ UINT16 Offset;
+ UINT8 *RecordTmp;
+ UINT8 ProtocolLength;
+ UINT8 SpecificDataLen;
+
+ if ((Smbios == NULL) || (ProtocolData == NULL)) {
+ return EFI_INVALID_PARAMETER;
+ }
+
+ SmbiosHandle = SMBIOS_HANDLE_PI_RESERVED;
+ Status = Smbios->GetNext (Smbios, &SmbiosHandle, NULL, &Record, NULL);
+ while (!EFI_ERROR (Status) && SmbiosHandle != SMBIOS_HANDLE_PI_RESERVED) {
+ if (Record->Type == SMBIOS_TYPE_MANAGEMENT_CONTROLLER_HOST_INTERFACE) {
+ //
+ // Check Interface Type, should be Network Host Interface = 40h
+ //
+ mType42Record = (SMBIOS_TABLE_TYPE42 *) Record;
+ if (mType42Record->InterfaceType == MCHostInterfaceTypeNetworkHostInterface) {
+ ASSERT (Record->Length >= 9);
+ Offset = 5;
+ RecordTmp = (UINT8 *) Record + Offset;
+ //
+ // Get interface specific data length.
+ //
+ SpecificDataLen = *RecordTmp;
+ Offset += 1;
+ RecordTmp = (UINT8 *) Record + Offset;
+
+ //
+ // Check Device Type, only PCI/PCIe Network Interface v2 is supported now.
+ //
+ if (*RecordTmp == REDFISH_HOST_INTERFACE_DEVICE_TYPE_PCI_PCIE_V2) {
+ ASSERT (SpecificDataLen == sizeof (PCI_OR_PCIE_INTERFACE_DEVICE_DESCRIPTOR_V2) + 1);
+ *DeviceDescriptor = (REDFISH_INTERFACE_DATA *)RecordTmp;
+ Offset = Offset + SpecificDataLen;
+ RecordTmp = (UINT8 *) Record + Offset;
+ //
+ // Check Protocol count. if > 1, only use the first protocol.
+ //
+ ASSERT (*RecordTmp == 1);
+ Offset += 1;
+ RecordTmp = (UINT8 *) Record + Offset;
+ //
+ // Check protocol identifier.
+ //
+ if (*RecordTmp == MCHostInterfaceProtocolTypeRedfishOverIP) {
+ Offset += 1;
+ RecordTmp = (UINT8 *) Record + Offset;
+ ProtocolLength = *RecordTmp;
+
+ Offset += 1;
+ RecordTmp = (UINT8 *) Record + Offset;
+
+ //
+ // This SMBIOS record is invalid, if the length of protocol specific data for
+ // Redfish Over IP protocol is wrong.
+ //
+ if ((*(RecordTmp + 90) + sizeof (REDFISH_OVER_IP_PROTOCOL_DATA) - 1) != ProtocolLength) {
+ return EFI_SECURITY_VIOLATION;
+ }
+
+ Offset += ProtocolLength;
+ //
+ // This SMBIOS record is invalid, if the length is smaller than the offset.
+ //
+ if (Offset > mType42Record->Hdr.Length) {
+ return EFI_SECURITY_VIOLATION;
+ }
+ *ProtocolData = (REDFISH_OVER_IP_PROTOCOL_DATA *)RecordTmp;
+ return EFI_SUCCESS;
+ }
+ }
+ }
+ }
+ Status = Smbios->GetNext (Smbios, &SmbiosHandle, NULL, &Record, NULL);
+ }
+
+ *ProtocolData = NULL;
+ return EFI_NOT_FOUND;
+}
--
2.17.1

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