projects / mirror_edk2.git / blame
| Commit | Line | Data |
|---|---|---|
| e35a746c PG |
1 | /** @file\r |
| 2 | SSDT Pcie Table Generator.\r | |
| 3 | \r | |
| 4 | Copyright (c) 2021, Arm Limited. All rights reserved.<BR>\r | |
| 5 | SPDX-License-Identifier: BSD-2-Clause-Patent\r | |
| 6 | \r | |
| 7 | @par Reference(s):\r | |
| 8 | - PCI Firmware Specification - Revision 3.0\r | |
| 9 | - ACPI 6.4 specification:\r | |
| 10 | - s6.2.13 "_PRT (PCI Routing Table)"\r | |
| 11 | - s6.1.1 "_ADR (Address)"\r | |
| 12 | - linux kernel code\r | |
| 13 | - Arm Base Boot Requirements v1.0\r | |
| 14 | **/\r | |
| 15 | \r | |
| 16 | #ifndef SSDT_PCIE_GENERATOR_H_\r | |
| 17 | #define SSDT_PCIE_GENERATOR_H_\r | |
| 18 | \r | |
| 19 | /** Pci address attributes.\r | |
| 20 | \r | |
| 21 | This can also be denoted as space code, address space or ss.\r | |
| 22 | */\r | |
| 23 | #define PCI_SS_CONFIG 0\r | |
| 24 | #define PCI_SS_IO 1\r | |
| 25 | #define PCI_SS_M32 2\r | |
| 26 | #define PCI_SS_M64 3\r | |
| 27 | \r | |
| 28 | /** Maximum Pci root complexes supported by this generator.\r | |
| 29 | \r | |
| 30 | Note: This is not a hard limitation and can be extended if needed.\r | |
| 31 | Corresponding changes would be needed to support the Name and\r | |
| 32 | UID fields describing the Pci root complexes.\r | |
| 33 | */\r | |
| 9ac155bf | 34 | #define MAX_PCI_ROOT_COMPLEXES_SUPPORTED 256\r |
| e35a746c | 35 | \r |
| e35a746c PG |
36 | // _SB scope of the AML namespace.\r |
| 37 | #define SB_SCOPE "\\_SB_"\r | |
| 38 | \r | |
| 39 | /** C array containing the compiled AML template.\r | |
| 40 | This symbol is defined in the auto generated C file\r | |
| 41 | containing the AML bytecode array.\r | |
| 42 | */\r | |
| 43 | extern CHAR8 ssdtpcieosctemplate_aml_code[];\r | |
| 44 | \r | |
| 45 | #pragma pack(1)\r | |
| 46 | \r | |
| 47 | /** Structure used to map integer to an index.\r | |
| 48 | */\r | |
| 49 | typedef struct MappingTable {\r | |
| 50 | /// Mapping table.\r | |
| 51 | /// Contains the Index <-> integer mapping\r | |
| 52 | UINT32 *Table;\r | |
| 53 | \r | |
| 54 | /// Last used index of the Table.\r | |
| 55 | /// Bound by MaxIndex.\r | |
| 56 | UINT32 LastIndex;\r | |
| 57 | \r | |
| 58 | /// Number of entries in the Table.\r | |
| 59 | UINT32 MaxIndex;\r | |
| 60 | } MAPPING_TABLE;\r | |
| 61 | \r | |
| 62 | /** A structure holding the Pcie generator and additional private data.\r | |
| 63 | */\r | |
| 64 | typedef struct AcpiPcieGenerator {\r | |
| 65 | /// ACPI Table generator header\r | |
| 66 | ACPI_TABLE_GENERATOR Header;\r | |
| 67 | \r | |
| 68 | // Private fields are defined from here.\r | |
| 69 | \r | |
| e35a746c | 70 | /// Table to map: Index <-> Pci device\r |
| 5816bd3e | 71 | MAPPING_TABLE DeviceTable;\r |
| e35a746c PG |
72 | } ACPI_PCI_GENERATOR;\r |
| 73 | \r | |
| 74 | #pragma pack()\r | |
| 75 | \r | |
| 76 | #endif // SSDT_PCIE_GENERATOR_H_\r |