/** @file\r
-This PPI which is same with PciCfg PPI. But Modify API is removed.\r
+This PPI is the same as the PPI in the framework PciCfg, with one exception. \r
+Specifically, this PPI does not include a modify API, while the PPI in the framework PciCfg does. \r
\r
-Copyright (c) 2008, Intel Corporation \r
-All rights reserved. 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
-http://opensource.org/licenses/bsd-license.php \r
- \r
-THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, \r
+Copyright (c) 2008 - 2010, Intel Corporation. All rights reserved<BR>\r
+Portions copyright (c) 2008-2009 Apple Inc. All rights reserved.<BR>\r
+All rights reserved. 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
+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
\r
**/\r
typedef struct _ECP_PEI_PCI_CFG_PPI ECP_PEI_PCI_CFG_PPI;\r
\r
/**\r
- PCI read and write operation.\r
+ A PCI read and write operation.\r
\r
- Write to/read from a given location in the PCI configuration space.\r
-\r
- @param PeiServices An indirect pointer to the PEI Services Table published by the PEI Foundation.\r
- @param This Pointer to local data for the interface.\r
- @param Width The width of the access. Enumerated in bytes.\r
- See EFI_PEI_PCI_CFG_PPI_WIDTH above.\r
- @param Address The physical address of the access. The format of\r
- the address is described by EFI_PEI_PCI_CFG_PPI_PCI_ADDRESS.\r
- @param Buffer A pointer to the buffer of data..\r
- @retval EFI_SUCCESS The function completed successfully.\r
- @retval EFI_DEVICE_ERROR There was a problem with the transaction.\r
- @retval EFI_DEVICE_NOT_READY The device is not capable of supporting the operation at this\r
- time.\r
+ Writes to, or reads from, a given location in the PCI configuration space.\r
+\r
+ @param PeiServices An indirect pointer to the PEI Services Table \r
+ published by the PEI Foundation.\r
+ @param This The pointer to local data for the interface.\r
+ @param Width The width of the access. Enumerated in bytes.\r
+ @param Address The physical address of the access. The format of\r
+ the address is described by EFI_PEI_PCI_CFG_PPI_PCI_ADDRESS.\r
+ @param Buffer A pointer to the buffer of data.\r
+ @retval EFI_SUCCESS The function completed successfully.\r
+ @retval EFI_DEVICE_ERROR There was a problem with the transaction.\r
+ @retval EFI_DEVICE_NOT_READY The device is not capable of supporting the \r
+ operation at this time.\r
**/\r
typedef\r
EFI_STATUS\r
-(EFIAPI *ECP_PEI_PCI_CFG_PPI_IO) (\r
+(EFIAPI *ECP_PEI_PCI_CFG_PPI_IO)(\r
IN EFI_PEI_SERVICES **PeiServices,\r
IN EFI_PEI_PCI_CFG_PPI * This,\r
IN EFI_PEI_PCI_CFG_PPI_WIDTH Width,\r
IN OUT VOID *Buffer\r
);\r
\r
-/**\r
- The ECP_PEI_PCI_CFG_PPI interfaces are used to abstract accesses to PCI \r
- controllers behind a PCI root bridge controller.\r
- @param Read\r
- PCI read services. See the Read() function description.\r
- @param Write\r
- PCI write services. See the Write() function description.\r
-\r
-**/\r
-\r
struct _ECP_PEI_PCI_CFG_PPI {\r
ECP_PEI_PCI_CFG_PPI_IO Read;\r
ECP_PEI_PCI_CFG_PPI_IO Write;\r