\r
Copyright (c) 2014 - 2016, Intel Corporation. All rights reserved.<BR>\r
\r
-This program and the accompanying materials\r
-are licensed and made available under the terms and conditions\r
-of the BSD License which accompanies this distribution. The\r
-full text of the license may be found at\r
-http://opensource.org/licenses/bsd-license.php\r
-\r
-THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r
-WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r
+SPDX-License-Identifier: BSD-2-Clause-Patent\r
\r
**/\r
\r
\r
#include <Ppi/UsbController.h>\r
#include <Ppi/Usb2HostController.h>\r
+#include <Ppi/IoMmu.h>\r
+#include <Ppi/EndOfPeiPhase.h>\r
\r
#include <Library/DebugLib.h>\r
#include <Library/PeimEntryPoint.h>\r
UINT32 UsbHostControllerBaseAddress;\r
USBHC_MEM_POOL *MemPool;\r
\r
+ //\r
+ // EndOfPei callback is used to stop the XHC DMA operation\r
+ // after exit PEI phase.\r
+ //\r
+ EFI_PEI_NOTIFY_DESCRIPTOR EndOfPeiNotifyList;\r
+\r
//\r
// XHCI configuration data\r
//\r
UINT32 PageSize;\r
UINT32 MaxScratchpadBufs;\r
UINT64 *ScratchBuf;\r
+ VOID *ScratchMap;\r
UINT64 *ScratchEntry;\r
+ UINTN *ScratchEntryMap;\r
UINT64 *DCBAA;\r
UINT32 MaxSlotsEn;\r
//\r
};\r
\r
#define PEI_RECOVERY_USB_XHC_DEV_FROM_THIS(a) CR (a, PEI_XHC_DEV, Usb2HostControllerPpi, USB_XHC_DEV_SIGNATURE)\r
+#define PEI_RECOVERY_USB_XHC_DEV_FROM_THIS_NOTIFY(a) CR (a, PEI_XHC_DEV, EndOfPeiNotifyList, USB_XHC_DEV_SIGNATURE)\r
\r
/**\r
Initialize the memory management pool for the host controller.\r
)\r
;\r
\r
+\r
+/**\r
+ Initialize IOMMU.\r
+**/\r
+VOID\r
+IoMmuInit (\r
+ VOID\r
+ );\r
+\r
+/**\r
+ Provides the controller-specific addresses required to access system memory from a\r
+ DMA bus master.\r
+\r
+ @param Operation Indicates if the bus master is going to read or write to system memory.\r
+ @param HostAddress The system memory address to map to the PCI controller.\r
+ @param NumberOfBytes On input the number of bytes to map. On output the number of bytes\r
+ that were mapped.\r
+ @param DeviceAddress The resulting map address for the bus master PCI controller to use to\r
+ access the hosts HostAddress.\r
+ @param Mapping A resulting value to pass to Unmap().\r
+\r
+ @retval EFI_SUCCESS The range was mapped for the returned NumberOfBytes.\r
+ @retval EFI_UNSUPPORTED The HostAddress cannot be mapped as a common buffer.\r
+ @retval EFI_INVALID_PARAMETER One or more parameters are invalid.\r
+ @retval EFI_OUT_OF_RESOURCES The request could not be completed due to a lack of resources.\r
+ @retval EFI_DEVICE_ERROR The system hardware could not map the requested address.\r
+\r
+**/\r
+EFI_STATUS\r
+IoMmuMap (\r
+ IN EDKII_IOMMU_OPERATION Operation,\r
+ IN VOID *HostAddress,\r
+ IN OUT UINTN *NumberOfBytes,\r
+ OUT EFI_PHYSICAL_ADDRESS *DeviceAddress,\r
+ OUT VOID **Mapping\r
+ );\r
+\r
+/**\r
+ Completes the Map() operation and releases any corresponding resources.\r
+\r
+ @param Mapping The mapping value returned from Map().\r
+\r
+ @retval EFI_SUCCESS The range was unmapped.\r
+ @retval EFI_INVALID_PARAMETER Mapping is not a value that was returned by Map().\r
+ @retval EFI_DEVICE_ERROR The data was not committed to the target system memory.\r
+**/\r
+EFI_STATUS\r
+IoMmuUnmap (\r
+ IN VOID *Mapping\r
+ );\r
+\r
+/**\r
+ Allocates pages that are suitable for an OperationBusMasterCommonBuffer or\r
+ OperationBusMasterCommonBuffer64 mapping.\r
+\r
+ @param Pages The number of pages to allocate.\r
+ @param HostAddress A pointer to store the base system memory address of the\r
+ allocated range.\r
+ @param DeviceAddress The resulting map address for the bus master PCI controller to use to\r
+ access the hosts HostAddress.\r
+ @param Mapping A resulting value to pass to Unmap().\r
+\r
+ @retval EFI_SUCCESS The requested memory pages were allocated.\r
+ @retval EFI_UNSUPPORTED Attributes is unsupported. The only legal attribute bits are\r
+ MEMORY_WRITE_COMBINE and MEMORY_CACHED.\r
+ @retval EFI_INVALID_PARAMETER One or more parameters are invalid.\r
+ @retval EFI_OUT_OF_RESOURCES The memory pages could not be allocated.\r
+\r
+**/\r
+EFI_STATUS\r
+IoMmuAllocateBuffer (\r
+ IN UINTN Pages,\r
+ OUT VOID **HostAddress,\r
+ OUT EFI_PHYSICAL_ADDRESS *DeviceAddress,\r
+ OUT VOID **Mapping\r
+ );\r
+\r
+/**\r
+ Frees memory that was allocated with AllocateBuffer().\r
+\r
+ @param Pages The number of pages to free.\r
+ @param HostAddress The base system memory address of the allocated range.\r
+ @param Mapping The mapping value returned from Map().\r
+\r
+ @retval EFI_SUCCESS The requested memory pages were freed.\r
+ @retval EFI_INVALID_PARAMETER The memory range specified by HostAddress and Pages\r
+ was not allocated with AllocateBuffer().\r
+\r
+**/\r
+EFI_STATUS\r
+IoMmuFreeBuffer (\r
+ IN UINTN Pages,\r
+ IN VOID *HostAddress,\r
+ IN VOID *Mapping\r
+ );\r
+\r
#endif\r
projects / mirror_edk2.git / blobdiff