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1 | /** @file\r | |
2 | Include file of PciSegmentPciRootBridgeIo Library.\r | |
3 | \r | |
4 | Copyright (c) 2007 - 2008, Intel Corporation All rights\r | |
5 | reserved. This program and the accompanying materials are\r | |
6 | licensed and made available under the terms and conditions of\r | |
7 | the BSD License which accompanies this distribution. The full\r | |
8 | text of the license may be found at\r | |
9 | http://opensource.org/licenses/bsd-license.php\r | |
10 | \r | |
11 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r | |
12 | WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r | |
13 | \r | |
14 | **/\r | |
15 | \r | |
16 | #ifndef __DXE_PCI_SEGMENT_LIB__\r | |
17 | #define __DXE_PCI_SEGMENT_LIB__\r | |
18 | \r | |
19 | #include <PiDxe.h>\r | |
20 | \r | |
21 | #include <Protocol/PciRootBridgeIo.h>\r | |
22 | \r | |
23 | #include <Library/PciSegmentLib.h>\r | |
24 | #include <Library/BaseLib.h>\r | |
25 | #include <Library/MemoryAllocationLib.h>\r | |
26 | #include <Library/UefiBootServicesTableLib.h>\r | |
27 | #include <Library/DebugLib.h>\r | |
28 | \r | |
29 | #include <IndustryStandard/Acpi.h>\r | |
30 | \r | |
31 | typedef struct {\r | |
32 | EFI_PCI_ROOT_BRIDGE_IO_PROTOCOL *PciRootBridgeIo;\r | |
33 | UINT32 SegmentNumber;\r | |
34 | UINT64 MinBusNumber;\r | |
35 | UINT64 MaxBusNumber;\r | |
36 | } PCI_ROOT_BRIDGE_DATA;\r | |
37 | \r | |
38 | /**\r | |
39 | Assert the validity of a PCI Segment address.\r | |
40 | A valid PCI address should not contain 1's in bits 31:28\r | |
41 | \r | |
42 | @param A The address to validate.\r | |
43 | @param M Additional bits to assert to be zero.\r | |
44 | \r | |
45 | **/\r | |
46 | #define ASSERT_INVALID_PCI_SEGMENT_ADDRESS(A,M) \\r | |
47 | ASSERT (((A) & (0xf0000000 | (M))) == 0)\r | |
48 | \r | |
49 | /**\r | |
50 | Translate PCI Lib address into format of PCI Root Bridge I/O Protocol\r | |
51 | \r | |
52 | @param A Address that encodes the PCI Bus, Device, Function and\r | |
53 | Register.\r | |
54 | \r | |
55 | **/\r | |
56 | #define PCI_TO_PCI_ROOT_BRIDGE_IO_ADDRESS(A) \\r | |
57 | ((((UINT32)(A) << 4) & 0xff000000) | (((UINT32)(A) >> 4) & 0x00000700) | (((UINT32)(A) << 1) & 0x001f0000) | (LShiftU64((A) & 0xfff, 32)))\r | |
58 | \r | |
59 | #endif\r |