--- /dev/null
+/** @file\r
+ The default version of EFI_PEI_PCI_CFG2_PPI support published by PeiServices in\r
+ PeiCore initialization phase.\r
+ \r
+ EFI_PEI_PCI_CFG2_PPI is installed by the PEIM which supports a PCI root bridge. \r
+ When PeiCore is started, the default version of EFI_PEI_PCI_CFG2_PPI will be assigned \r
+ to PeiServices table.\r
+ \r
+Copyright (c) 2009, 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
+WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. \r
+\r
+**/\r
+\r
+#include "PeiMain.h"\r
+\r
+///\r
+/// This default instance of EFI_PEI_PCI_CFG2_PPI install assigned to EFI_PEI_SERVICE.PciCfg \r
+/// when PeiCore's initialization.\r
+///\r
+EFI_PEI_PCI_CFG2_PPI gPeiDefaultPciCfg2Ppi = {\r
+ PeiDefaultPciCfg2Read,\r
+ PeiDefaultPciCfg2Write,\r
+ PeiDefaultPciCfg2Modify\r
+};\r
+\r
+/**\r
+ Reads from a given location in the PCI configuration space.\r
+\r
+ If the EFI_PEI_PCI_CFG2_PPI is not installed by platform/chipset PEIM, then \r
+ return EFI_NOT_YET_AVAILABLE. \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
+\r
+ @retval EFI_SUCCESS The function completed successfully.\r
+ @retval EFI_INVALID_PARAMETER The invalid access width.\r
+ @retval EFI_NOT_YET_AVAILABLE If the EFI_PEI_PCI_CFG2_PPI is not installed by platform/chipset PEIM.\r
+ \r
+**/\r
+EFI_STATUS\r
+EFIAPI\r
+PeiDefaultPciCfg2Read (\r
+ IN CONST EFI_PEI_SERVICES **PeiServices,\r
+ IN CONST EFI_PEI_PCI_CFG2_PPI *This,\r
+ IN EFI_PEI_PCI_CFG_PPI_WIDTH Width,\r
+ IN UINT64 Address,\r
+ IN OUT VOID *Buffer\r
+ )\r
+{\r
+ return EFI_NOT_AVAILABLE_YET;\r
+}\r
+\r
+/**\r
+ Write to a given location in the PCI configuration space.\r
+\r
+ If the EFI_PEI_PCI_CFG2_PPI is not installed by platform/chipset PEIM, then \r
+ return EFI_NOT_YET_AVAILABLE. \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
+\r
+ @retval EFI_SUCCESS The function completed successfully.\r
+ @retval EFI_INVALID_PARAMETER The invalid access width.\r
+ @retval EFI_NOT_YET_AVAILABLE If the EFI_PEI_PCI_CFG2_PPI is not installed by platform/chipset PEIM.\r
+**/\r
+EFI_STATUS\r
+EFIAPI\r
+PeiDefaultPciCfg2Write (\r
+ IN CONST EFI_PEI_SERVICES **PeiServices,\r
+ IN CONST EFI_PEI_PCI_CFG2_PPI *This,\r
+ IN EFI_PEI_PCI_CFG_PPI_WIDTH Width,\r
+ IN UINT64 Address,\r
+ IN OUT VOID *Buffer\r
+ )\r
+{\r
+ return EFI_NOT_AVAILABLE_YET;\r
+} \r
+\r
+/**\r
+ This function performs a read-modify-write operation on the contents from a given\r
+ location in the PCI configuration space.\r
+ If the EFI_PEI_PCI_CFG2_PPI is not installed by platform/chipset PEIM, then \r
+ return EFI_NOT_YET_AVAILABLE. \r
+\r
+ @param PeiServices An indirect pointer to the PEI Services Table\r
+ 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. Type\r
+ EFI_PEI_PCI_CFG_PPI_WIDTH is defined in Read().\r
+ @param Address The physical address of the access.\r
+ @param SetBits Points to value to bitwise-OR with the read configuration value.\r
+ The size of the value is determined by Width.\r
+ @param ClearBits Points to the value to negate and bitwise-AND with the read configuration value.\r
+ The size of the value is determined by Width.\r
+\r
+ @retval EFI_SUCCESS The function completed successfully.\r
+ @retval EFI_INVALID_PARAMETER The invalid access width.\r
+ @retval EFI_NOT_YET_AVAILABLE If the EFI_PEI_PCI_CFG2_PPI is not installed by platform/chipset PEIM.\r
+**/\r
+EFI_STATUS\r
+EFIAPI\r
+PeiDefaultPciCfg2Modify (\r
+ IN CONST EFI_PEI_SERVICES **PeiServices,\r
+ IN CONST EFI_PEI_PCI_CFG2_PPI *This,\r
+ IN EFI_PEI_PCI_CFG_PPI_WIDTH Width,\r
+ IN UINT64 Address,\r
+ IN VOID *SetBits,\r
+ IN VOID *ClearBits\r
+ )\r
+{\r
+ return EFI_NOT_AVAILABLE_YET;\r
+} \r
projects / mirror_edk2.git / blobdiff