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1 | /** @file\r | |
2 | This file declares the PciCfg PPI used to access the PCI configuration space in PEI\r | |
3 | \r | |
4 | Copyright (c) 2006 - 2010, Intel Corporation. All rights reserved.<BR>\r | |
5 | This program and the accompanying materials are licensed and made available under \r | |
6 | the terms and conditions of the BSD License that accompanies this distribution. \r | |
7 | The full text of the license may be found at\r | |
8 | http://opensource.org/licenses/bsd-license.php. \r | |
9 | \r | |
10 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, \r | |
11 | WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. \r | |
12 | \r | |
13 | @par Revision Reference:\r | |
14 | This PPI is defined in PEI CIS\r | |
15 | Version 0.91.\r | |
16 | \r | |
17 | **/\r | |
18 | \r | |
19 | #ifndef __PEI_PCI_CFG_H__\r | |
20 | #define __PEI_PCI_CFG_H__\r | |
21 | \r | |
22 | #include <Ppi/PciCfg2.h>\r | |
23 | //\r | |
24 | // Get the common definitions for EFI_PEI_PCI_CFG_PPI_WIDTH.\r | |
25 | //\r | |
26 | \r | |
27 | #define EFI_PEI_PCI_CFG_PPI_INSTALLED_GUID \\r | |
28 | { \\r | |
29 | 0xe1f2eba0, 0xf7b9, 0x4a26, {0x86, 0x20, 0x13, 0x12, 0x21, 0x64, 0x2a, 0x90 } \\r | |
30 | }\r | |
31 | \r | |
32 | typedef struct _EFI_PEI_PCI_CFG_PPI EFI_PEI_PCI_CFG_PPI;\r | |
33 | \r | |
34 | #define PEI_PCI_CFG_ADDRESS(bus, dev, func, reg) ( \\r | |
35 | (UINT64) ((((UINTN) bus) << 24) + (((UINTN) dev) << 16) + (((UINTN) func) << 8) + ((UINTN) reg)) \\r | |
36 | ) & 0x00000000ffffffff\r | |
37 | \r | |
38 | /**\r | |
39 | PCI read and write operation.\r | |
40 | \r | |
41 | @param PeiServices An indirect pointer to the PEI Services Table\r | |
42 | published by the PEI Foundation.\r | |
43 | @param This Pointer to local data for the interface.\r | |
44 | @param Width The width of the access. Enumerated in bytes.\r | |
45 | @param Address The physical address of the access.\r | |
46 | @param Buffer A pointer to the buffer of data.\r | |
47 | \r | |
48 | @retval EFI_SUCCESS The function completed successfully.\r | |
49 | @retval EFI_NOT_YET_AVAILABLE The service has not been installed.\r | |
50 | \r | |
51 | **/\r | |
52 | typedef\r | |
53 | EFI_STATUS\r | |
54 | (EFIAPI *EFI_PEI_PCI_CFG_PPI_IO)(\r | |
55 | IN EFI_PEI_SERVICES **PeiServices,\r | |
56 | IN EFI_PEI_PCI_CFG_PPI *This,\r | |
57 | IN EFI_PEI_PCI_CFG_PPI_WIDTH Width,\r | |
58 | IN UINT64 Address,\r | |
59 | IN OUT VOID *Buffer\r | |
60 | );\r | |
61 | \r | |
62 | /**\r | |
63 | PCI read-modify-write operation.\r | |
64 | \r | |
65 | @param PeiServices An indirect pointer to the PEI Services Table\r | |
66 | published by the PEI Foundation.\r | |
67 | @param This The pointer to local data for the interface.\r | |
68 | @param Width The width of the access. Enumerated in bytes.\r | |
69 | @param Address The physical address of the access.\r | |
70 | @param SetBits Value of the bits to set.\r | |
71 | @param ClearBits Value of the bits to clear.\r | |
72 | \r | |
73 | @retval EFI_SUCCESS The function completed successfully.\r | |
74 | \r | |
75 | **/\r | |
76 | typedef\r | |
77 | EFI_STATUS\r | |
78 | (EFIAPI *EFI_PEI_PCI_CFG_PPI_RW)(\r | |
79 | IN EFI_PEI_SERVICES **PeiServices,\r | |
80 | IN EFI_PEI_PCI_CFG_PPI *This,\r | |
81 | IN EFI_PEI_PCI_CFG_PPI_WIDTH Width,\r | |
82 | IN UINT64 Address,\r | |
83 | IN UINTN SetBits,\r | |
84 | IN UINTN ClearBits\r | |
85 | );\r | |
86 | \r | |
87 | /**\r | |
88 | The EFI_PEI_PCI_CFG_PPI interfaces are used to abstract accesses to PCI \r | |
89 | controllers behind a PCI root bridge controller.\r | |
90 | **/\r | |
91 | struct _EFI_PEI_PCI_CFG_PPI {\r | |
92 | ///\r | |
93 | /// PCI read services. See the Read() function description.\r | |
94 | ///\r | |
95 | EFI_PEI_PCI_CFG_PPI_IO Read;\r | |
96 | \r | |
97 | ///\r | |
98 | /// PCI write services. See the Write() function description.\r | |
99 | ///\r | |
100 | EFI_PEI_PCI_CFG_PPI_IO Write;\r | |
101 | \r | |
102 | ///\r | |
103 | /// PCI read-modify-write services. See the Modify() function description.\r | |
104 | ///\r | |
105 | EFI_PEI_PCI_CFG_PPI_RW Modify;\r | |
106 | };\r | |
107 | \r | |
108 | extern EFI_GUID gEfiPciCfgPpiInServiceTableGuid;\r | |
109 | \r | |
110 | #endif\r |