\r
The PCI Root Bridge header file.\r
\r
-Copyright (c) 1999 - 2016, Intel Corporation. All rights reserved.<BR>\r
+Copyright (c) 1999 - 2018, Intel Corporation. All rights reserved.<BR>\r
This program and the accompanying materials\r
are licensed and made available under the terms and conditions of the BSD License\r
which accompanies this distribution. The full text of the license may be found at\r
//\r
// Driver Consumed Protocol Prototypes\r
//\r
-#include <Protocol/Metronome.h>\r
#include <Protocol/CpuIo2.h>\r
#include <Protocol/DevicePath.h>\r
#include <Protocol/PciRootBridgeIo.h>\r
#include <Library/UefiBootServicesTableLib.h>\r
#include <Library/BaseLib.h>\r
#include <Library/PciSegmentLib.h>\r
+#include <Library/UefiLib.h>\r
+#include <Library/TimerLib.h>\r
#include "PciHostResource.h"\r
\r
\r
PCI_ROOT_BRIDGE_APERTURE MemAbove4G;\r
PCI_ROOT_BRIDGE_APERTURE PMemAbove4G;\r
BOOLEAN DmaAbove4G;\r
+ BOOLEAN NoExtendedConfigSpace;\r
VOID *ConfigBuffer;\r
EFI_DEVICE_PATH_PROTOCOL *DevicePath;\r
CHAR16 *DevicePathStr;\r
#define ROOT_BRIDGE_FROM_LINK(a) CR (a, PCI_ROOT_BRIDGE_INSTANCE, Link, PCI_ROOT_BRIDGE_SIGNATURE)\r
\r
/**\r
+ Construct the Pci Root Bridge instance.\r
\r
- Construct the Pci Root Bridge Io protocol.\r
-\r
- @param Protocol - Protocol to initialize.\r
- @param HostBridgeHandle - Handle to the HostBridge.\r
-\r
- @retval EFI_SUCCESS - Success.\r
- @retval Others - Fail.\r
+ @param Bridge The root bridge instance.\r
\r
+ @return The pointer to PCI_ROOT_BRIDGE_INSTANCE just created\r
+ or NULL if creation fails.\r
**/\r
PCI_ROOT_BRIDGE_INSTANCE *\r
CreateRootBridge (\r
- IN PCI_ROOT_BRIDGE *Bridge,\r
- IN EFI_HANDLE HostBridgeHandle\r
+ IN PCI_ROOT_BRIDGE *Bridge\r
);\r
\r
//\r
;\r
\r
/**\r
-\r
Provides the PCI controller-specific address needed to access\r
system memory for DMA.\r
\r
- @param This - A pointer to the EFI_PCI_ROOT_BRIDGE_IO_PROTOCOL.\r
- @param Operation - Indicate if the bus master is going to read or write\r
- to system memory.\r
- @param HostAddress - The system memory address to map on the PCI controller.\r
- @param NumberOfBytes - On input the number of bytes to map.\r
- On output the number of bytes that were mapped.\r
- @param DeviceAddress - The resulting map address for the bus master PCI\r
- controller to use to access the system memory's HostAddress.\r
- @param Mapping - The value to pass to Unmap() when the bus master DMA\r
- operation is complete.\r
-\r
- @retval EFI_SUCCESS - Success.\r
- @retval EFI_INVALID_PARAMETER - Invalid parameters found.\r
- @retval EFI_UNSUPPORTED - The HostAddress cannot be mapped as a common\r
- @retval buffer.\r
- @retval EFI_DEVICE_ERROR - The System hardware could not map the requested\r
- @retval address.\r
- @retval EFI_OUT_OF_RESOURCES - The request could not be completed due to\r
- @retval lack of resources.\r
-\r
+ @param This A pointer to the EFI_PCI_ROOT_BRIDGE_IO_PROTOCOL.\r
+ @param Operation Indicate if the bus master is going to read or write\r
+ to system memory.\r
+ @param HostAddress The system memory address to map on the PCI controller.\r
+ @param NumberOfBytes On input the number of bytes to map.\r
+ On output the number of bytes that were mapped.\r
+ @param DeviceAddress The resulting map address for the bus master PCI\r
+ controller to use to access the system memory's HostAddress.\r
+ @param Mapping The value to pass to Unmap() when the bus master DMA\r
+ operation is complete.\r
+\r
+ @retval EFI_SUCCESS Success.\r
+ @retval EFI_INVALID_PARAMETER Invalid parameters found.\r
+ @retval EFI_UNSUPPORTED The HostAddress cannot be mapped as a common buffer.\r
+ @retval EFI_DEVICE_ERROR The System hardware could not map the requested address.\r
+ @retval EFI_OUT_OF_RESOURCES The request could not be completed due to lack of resources.\r
**/\r
EFI_STATUS\r
EFIAPI\r
;\r
\r
/**\r
-\r
Completes the Map() operation and releases any corresponding resources.\r
\r
- @param This - Pointer to the EFI_PCI_ROOT_BRIDGE_IO_PROTOCOL instance.\r
- Mapping - The value returned from Map() operation.\r
+ The Unmap() function completes the Map() operation and releases any\r
+ corresponding resources.\r
+ If the operation was an EfiPciOperationBusMasterWrite or\r
+ EfiPciOperationBusMasterWrite64, the data is committed to the target system\r
+ memory.\r
+ Any resources used for the mapping are freed.\r
\r
- @retval EFI_SUCCESS - The range was unmapped successfully.\r
- @retval EFI_INVALID_PARAMETER - Mapping is not a value that was returned\r
- @retval by Map operation.\r
- @retval EFI_DEVICE_ERROR - The data was not committed to the target\r
- @retval system memory.\r
+ @param[in] This A pointer to the EFI_PCI_ROOT_BRIDGE_IO_PROTOCOL.\r
+ @param[in] 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
EFIAPI\r
;\r
\r
/**\r
-\r
- Allocates pages that are suitable for a common buffer mapping.\r
-\r
- @param This - Pointer to EFI_ROOT_BRIDGE_IO_PROTOCOL instance.\r
- @param Type - Not used and can be ignored.\r
- @param MemoryType - Type of memory to allocate.\r
- @param Pages - Number of pages to allocate.\r
- @param HostAddress - Pointer to store the base system memory address\r
- of the allocated range.\r
- @param Attributes - Requested bit mask of attributes of the allocated\r
- range.\r
-\r
- @retval EFI_SUCCESS - The requested memory range were allocated.\r
- @retval EFI_INVALID_PARAMETER - Invalid parameter found.\r
- @retval EFI_UNSUPPORTED - Attributes is unsupported.\r
-\r
+ Allocates pages that are suitable for an EfiPciOperationBusMasterCommonBuffer\r
+ or EfiPciOperationBusMasterCommonBuffer64 mapping.\r
+\r
+ @param This A pointer to the EFI_PCI_ROOT_BRIDGE_IO_PROTOCOL.\r
+ @param Type This parameter is not used and must be ignored.\r
+ @param MemoryType The type of memory to allocate, EfiBootServicesData or\r
+ EfiRuntimeServicesData.\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 Attributes The requested bit mask of attributes for the allocated\r
+ range. Only the attributes\r
+ EFI_PCI_ATTRIBUTE_MEMORY_WRITE_COMBINE,\r
+ EFI_PCI_ATTRIBUTE_MEMORY_CACHED, and\r
+ EFI_PCI_ATTRIBUTE_DUAL_ADDRESS_CYCLE may be used with this\r
+ function.\r
+\r
+ @retval EFI_SUCCESS The requested memory pages were allocated.\r
+ @retval EFI_INVALID_PARAMETER MemoryType is invalid.\r
+ @retval EFI_INVALID_PARAMETER HostAddress is NULL.\r
+ @retval EFI_UNSUPPORTED Attributes is unsupported. The only legal\r
+ attribute bits are MEMORY_WRITE_COMBINE,\r
+ MEMORY_CACHED, and DUAL_ADDRESS_CYCLE.\r
+ @retval EFI_OUT_OF_RESOURCES The memory pages could not be allocated.\r
**/\r
EFI_STATUS\r
EFIAPI\r
;\r
\r
/**\r
-\r
- Get the attributes that a PCI root bridge supports and\r
- the attributes the PCI root bridge is currently using.\r
-\r
- @param This - Pointer to EFI_PCI_ROOT_BRIDGE_IO_PROTOCOL\r
- instance.\r
- @param Supports - A pointer to the mask of attributes that\r
- this PCI root bridge supports.\r
- @param Attributes - A pointer to the mask of attributes that\r
- this PCI root bridge is currently using.\r
- @retval EFI_SUCCESS - Success.\r
- @retval EFI_INVALID_PARAMETER - Invalid parameter found.\r
-\r
+ Gets the attributes that a PCI root bridge supports setting with\r
+ SetAttributes(), and the attributes that a PCI root bridge is currently\r
+ using.\r
+\r
+ The GetAttributes() function returns the mask of attributes that this PCI\r
+ root bridge supports and the mask of attributes that the PCI root bridge is\r
+ currently using.\r
+\r
+ @param This A pointer to the EFI_PCI_ROOT_BRIDGE_IO_PROTOCOL.\r
+ @param Supported A pointer to the mask of attributes that this PCI root\r
+ bridge supports setting with SetAttributes().\r
+ @param Attributes A pointer to the mask of attributes that this PCI root\r
+ bridge is currently using.\r
+\r
+ @retval EFI_SUCCESS If Supports is not NULL, then the attributes\r
+ that the PCI root bridge supports is returned\r
+ in Supports. If Attributes is not NULL, then\r
+ the attributes that the PCI root bridge is\r
+ currently using is returned in Attributes.\r
+ @retval EFI_INVALID_PARAMETER Both Supports and Attributes are NULL.\r
**/\r
EFI_STATUS\r
EFIAPI\r
/**\r
\r
Retrieves the current resource settings of this PCI root bridge\r
- in the form of a set of ACPI 2.0 resource descriptor.\r
+ in the form of a set of ACPI resource descriptor.\r
\r
@param This - Pointer to the EFI_PCI_ROOT_BRIDGE_IO_PROTOCOL instance.\r
- @param Resources - Pointer to the ACPI 2.0 resource descriptor that\r
+ @param Resources - Pointer to the resource descriptor that\r
describe the current configuration of this PCI root\r
bridge.\r
\r
)\r
;\r
\r
-\r
-extern EFI_METRONOME_ARCH_PROTOCOL *mMetronome;\r
extern EFI_CPU_IO2_PROTOCOL *mCpuIo;\r
#endif\r
projects / mirror_edk2.git / blobdiff