From d3058489d43052d37d8788e23fc2555a5ec72aab Mon Sep 17 00:00:00 2001 From: xli24 Date: Wed, 20 Jun 2007 06:20:40 +0000 Subject: [PATCH] Check in definition of PCI CFG2 PPI into OldMdePkg. git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@2686 6f19259b-4bc3-4df7-8a09-765794883524 --- OldMdePkg/Include/Peim/PeiCis.h | 1 + OldMdePkg/Include/Ppi/PciCfg.h | 16 ---- OldMdePkg/Include/Ppi/PciCfg2.h | 158 ++++++++++++++++++++++++++++++++ 3 files changed, 159 insertions(+), 16 deletions(-) create mode 100644 OldMdePkg/Include/Ppi/PciCfg2.h diff --git a/OldMdePkg/Include/Peim/PeiCis.h b/OldMdePkg/Include/Peim/PeiCis.h index 5bf71eb6b9..67db3875ef 100644 --- a/OldMdePkg/Include/Peim/PeiCis.h +++ b/OldMdePkg/Include/Peim/PeiCis.h @@ -51,6 +51,7 @@ typedef struct _EFI_PEI_NOTIFY_DESCRIPTOR EFI_PEI_NOTIFY_DESCRIPTOR; #include +#include #include // diff --git a/OldMdePkg/Include/Ppi/PciCfg.h b/OldMdePkg/Include/Ppi/PciCfg.h index 987f54ed43..31a8b53fec 100644 --- a/OldMdePkg/Include/Ppi/PciCfg.h +++ b/OldMdePkg/Include/Ppi/PciCfg.h @@ -32,22 +32,6 @@ typedef struct _EFI_PEI_PCI_CFG_PPI EFI_PEI_PCI_CFG_PPI; (UINT64) ((((UINTN) bus) << 24) + (((UINTN) dev) << 16) + (((UINTN) func) << 8) + ((UINTN) reg)) \ ) & 0x00000000ffffffff -typedef enum { - EfiPeiPciCfgWidthUint8 = 0, - EfiPeiPciCfgWidthUint16 = 1, - EfiPeiPciCfgWidthUint32 = 2, - EfiPeiPciCfgWidthUint64 = 3, - EfiPeiPciCfgWidthMaximum -} EFI_PEI_PCI_CFG_PPI_WIDTH; - -typedef struct { - UINT8 Register; - UINT8 Function; - UINT8 Device; - UINT8 Bus; - UINT8 Reserved[4]; -} EFI_PEI_PCI_CFG_PPI_PCI_ADDRESS; - /** PCI read and write operation. diff --git a/OldMdePkg/Include/Ppi/PciCfg2.h b/OldMdePkg/Include/Ppi/PciCfg2.h new file mode 100644 index 0000000000..761436f16a --- /dev/null +++ b/OldMdePkg/Include/Ppi/PciCfg2.h @@ -0,0 +1,158 @@ +/** @file + This file declares PciCfg PPI used to access PCI configuration space in PEI + + Copyright (c) 2006 - 2007, Intel Corporation + All rights reserved. This program and the accompanying materials + are licensed and made available under the terms and conditions of the BSD License + which accompanies this distribution. The full text of the license may be found at + http://opensource.org/licenses/bsd-license.php + + THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, + WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. + + Module Name: PciCfg.h + + @par Revision Reference: + This PPI is defined in PI + Version 1.00. + +**/ + +#ifndef __PEI_PCI_CFG2_H__ +#define __PEI_PCI_CFG2_H__ + + +#define EFI_PEI_PCI_CFG2_PPI_GUID \ + { 0x57a449a, 0x1fdc, 0x4c06, { 0xbf, 0xc9, 0xf5, 0x3f, 0x6a, 0x99, 0xbb, 0x92 } } + + +typedef struct _EFI_PEI_PCI_CFG2_PPI EFI_PEI_PCI_CFG2_PPI; + +#define EFI_PEI_PCI_CFG_ADDRESS(bus,dev,func,reg) \ + (((bus) << 24) | \ + ((dev) << 16) | \ + ((func) << 8) | \ + ((reg) < 256 ? (reg) : ((UINT64) (reg) << 32))); + +// +// EFI_PEI_PCI_CFG_PPI_WIDTH +// +typedef enum { + EfiPeiPciCfgWidthUint8 = 0, + EfiPeiPciCfgWidthUint16 = 1, + EfiPeiPciCfgWidthUint32 = 2, + EfiPeiPciCfgWidthUint64 = 3, + EfiPeiPciCfgWidthMaximum +} EFI_PEI_PCI_CFG_PPI_WIDTH; + +// +// EFI_PEI_PCI_CFG_PPI_PCI_ADDRESS +// +typedef struct { + UINT8 Register; + UINT8 Function; + UINT8 Device; + UINT8 Bus; + UINT32 ExtendedRegister; +} EFI_PEI_PCI_CFG_PPI_PCI_ADDRESS; + +/** + Reads from or write to a given location in the PCI configuration space. + + @param PeiServices An indirect pointer to the PEI Services Table published by the PEI Foundation. + + @param This Pointer to local data for the interface. + + @param Width The width of the access. Enumerated in bytes. + See EFI_PEI_PCI_CFG_PPI_WIDTH above. + + @param Address The physical address of the access. The format of + the address is described by EFI_PEI_PCI_CFG_PPI_PCI_ADDRESS. + + @param Buffer A pointer to the buffer of data.. + + + @retval EFI_SUCCESS The function completed successfully. + + @retval EFI_DEVICE_ERROR There was a problem with the transaction. + + @retval EFI_DEVICE_NOT_READY The device is not capable of supporting the operation at this + time. + +**/ +typedef +EFI_STATUS +(EFIAPI *EFI_PEI_PCI_CFG2_PPI_IO) ( + IN CONST EFI_PEI_SERVICES **PeiServices, + IN CONST EFI_PEI_PCI_CFG2_PPI *This, + IN CONST EFI_PEI_PCI_CFG_PPI_WIDTH Width, + IN CONST UINT64 Address, + IN OUT VOID *Buffer +); + + +/** + PCI read-modify-write operation. + + @param PeiServices An indirect pointer to the PEI Services Table + published by the PEI Foundation. + + @param This Pointer to local data for the interface. + + @param Width The width of the access. Enumerated in bytes. Type + EFI_PEI_PCI_CFG_PPI_WIDTH is defined in Read(). + + @param Address The physical address of the access. + + @param SetBits Points to value to bitwise-OR with the read configuration value. + + The size of the value is determined by Width. + + @param ClearBits Points to the value to negate and bitwise-AND with the read configuration value. + The size of the value is determined by Width. + + + @retval EFI_SUCCESS The function completed successfully. + + @retval EFI_DEVICE_ERROR There was a problem with the transaction. + + @retval EFI_DEVICE_NOT_READY The device is not capable of supporting + the operation at this time. + +**/ +typedef +EFI_STATUS +(EFIAPI *EFI_PEI_PCI_CFG2_PPI_RW) ( + IN CONST EFI_PEI_SERVICES **PeiServices, + IN CONST EFI_PEI_PCI_CFG2_PPI *This, + IN CONST EFI_PEI_PCI_CFG_PPI_WIDTH Width, + IN CONST UINT64 Address, + IN CONST VOID *SetBits, + IN CONST VOID *ClearBits +); + +/** + @par Ppi Description: + The EFI_PEI_PCI_CFG_PPI interfaces are used to abstract accesses to PCI + controllers behind a PCI root bridge controller. + + @param Read PCI read services. See the Read() function description. + + @param Write PCI write services. See the Write() function description. + + @param Modify PCI read-modify-write services. See the Modify() function description. + + @param Segment The PCI bus segment which the specified functions will access. + +**/ +struct _EFI_PEI_PCI_CFG2_PPI { + EFI_PEI_PCI_CFG2_PPI_IO Read; + EFI_PEI_PCI_CFG2_PPI_IO Write; + EFI_PEI_PCI_CFG2_PPI_RW Modify; + UINT16 Segment; +}; + + +extern EFI_GUID gEfiPciCfg2PpiGuid; + +#endif -- 2.39.2