xref: /freebsd/stand/efi/include/efidef.h (revision d8a0fe102c0cfdfcd5b818f850eff09d8536c9bc)
1 /* $FreeBSD$ */
2 #ifndef _EFI_DEF_H
3 #define _EFI_DEF_H
4 
5 /*++
6 
7 Copyright (c)  1999 - 2002 Intel Corporation. All rights reserved
8 This software and associated documentation (if any) is furnished
9 under a license and may only be used or copied in accordance
10 with the terms of the license. Except as permitted by such
11 license, no part of this software or documentation may be
12 reproduced, stored in a retrieval system, or transmitted in any
13 form or by any means without the express written consent of
14 Intel Corporation.
15 
16 Module Name:
17 
18     efidef.h
19 
20 Abstract:
21 
22     EFI definitions
23 
24 
25 
26 
27 Revision History
28 
29 --*/
30 
31 typedef UINT16          CHAR16;
32 typedef UINT8           CHAR8;
33 #ifndef ACPI_THREAD_ID		/* ACPI's definitions are fine */
34 typedef UINT8           BOOLEAN;
35 #endif
36 
37 #ifndef TRUE
38     #define TRUE    ((BOOLEAN) 1)
39     #define FALSE   ((BOOLEAN) 0)
40 #endif
41 
42 #ifndef NULL
43     #define NULL    ((VOID *) 0)
44 #endif
45 
46 typedef UINTN           EFI_STATUS;
47 typedef UINT64          EFI_LBA;
48 typedef UINTN           EFI_TPL;
49 typedef VOID            *EFI_HANDLE;
50 typedef VOID            *EFI_EVENT;
51 
52 
53 //
54 // Prototype argument decoration for EFI parameters to indicate
55 // their direction
56 //
57 // IN - argument is passed into the function
58 // OUT - argument (pointer) is returned from the function
59 // OPTIONAL - argument is optional
60 //
61 
62 #ifndef IN
63     #define IN
64     #define OUT
65     #define OPTIONAL
66 #endif
67 
68 
69 //
70 // A GUID
71 //
72 
73 typedef struct {
74     UINT32  Data1;
75     UINT16  Data2;
76     UINT16  Data3;
77     UINT8   Data4[8];
78 } EFI_GUID;
79 
80 
81 //
82 // Time
83 //
84 
85 typedef struct {
86     UINT16      Year;       // 1998 - 20XX
87     UINT8       Month;      // 1 - 12
88     UINT8       Day;        // 1 - 31
89     UINT8       Hour;       // 0 - 23
90     UINT8       Minute;     // 0 - 59
91     UINT8       Second;     // 0 - 59
92     UINT8       Pad1;
93     UINT32      Nanosecond; // 0 - 999,999,999
94     INT16       TimeZone;   // -1440 to 1440 or 2047
95     UINT8       Daylight;
96     UINT8       Pad2;
97 } EFI_TIME;
98 
99 // Bit definitions for EFI_TIME.Daylight
100 #define EFI_TIME_ADJUST_DAYLIGHT    0x01
101 #define EFI_TIME_IN_DAYLIGHT        0x02
102 
103 // Value definition for EFI_TIME.TimeZone
104 #define EFI_UNSPECIFIED_TIMEZONE    0x07FF
105 
106 
107 
108 //
109 // Networking
110 //
111 
112 typedef struct {
113     UINT8                   Addr[4];
114 } EFI_IPv4_ADDRESS;
115 
116 typedef struct {
117     UINT8                   Addr[16];
118 } EFI_IPv6_ADDRESS;
119 
120 typedef struct {
121     UINT8                   Addr[32];
122 } EFI_MAC_ADDRESS;
123 
124 //
125 // Memory
126 //
127 
128 typedef UINT64          EFI_PHYSICAL_ADDRESS;
129 typedef UINT64          EFI_VIRTUAL_ADDRESS;
130 
131 typedef enum {
132     AllocateAnyPages,
133     AllocateMaxAddress,
134     AllocateAddress,
135     MaxAllocateType
136 } EFI_ALLOCATE_TYPE;
137 
138 //Preseve the attr on any range supplied.
139 //ConventialMemory must have WB,SR,SW when supplied.
140 //When allocating from ConventialMemory always make it WB,SR,SW
141 //When returning to ConventialMemory always make it WB,SR,SW
142 //When getting the memory map, or on RT for runtime types
143 
144 
145 typedef enum {
146     EfiReservedMemoryType,
147     EfiLoaderCode,
148     EfiLoaderData,
149     EfiBootServicesCode,
150     EfiBootServicesData,
151     EfiRuntimeServicesCode,
152     EfiRuntimeServicesData,
153     EfiConventionalMemory,
154     EfiUnusableMemory,
155     EfiACPIReclaimMemory,
156     EfiACPIMemoryNVS,
157     EfiMemoryMappedIO,
158     EfiMemoryMappedIOPortSpace,
159     EfiPalCode,
160     EfiMaxMemoryType
161 } EFI_MEMORY_TYPE;
162 
163 // possible caching types for the memory range
164 #define EFI_MEMORY_UC           0x0000000000000001
165 #define EFI_MEMORY_WC           0x0000000000000002
166 #define EFI_MEMORY_WT           0x0000000000000004
167 #define EFI_MEMORY_WB           0x0000000000000008
168 #define EFI_MEMORY_UCE          0x0000000000000010
169 
170 // physical memory protection on range
171 #define EFI_MEMORY_WP           0x0000000000001000
172 #define EFI_MEMORY_RP           0x0000000000002000
173 #define EFI_MEMORY_XP           0x0000000000004000
174 
175 // range requires a runtime mapping
176 #define EFI_MEMORY_RUNTIME      0x8000000000000000
177 
178 #define EFI_MEMORY_DESCRIPTOR_VERSION  1
179 typedef struct {
180     UINT32                          Type;           // Field size is 32 bits followed by 32 bit pad
181     UINT32                          Pad;
182     EFI_PHYSICAL_ADDRESS            PhysicalStart;  // Field size is 64 bits
183     EFI_VIRTUAL_ADDRESS             VirtualStart;   // Field size is 64 bits
184     UINT64                          NumberOfPages;  // Field size is 64 bits
185     UINT64                          Attribute;      // Field size is 64 bits
186 } EFI_MEMORY_DESCRIPTOR;
187 
188 //
189 // International Language
190 //
191 
192 typedef UINT8   ISO_639_2;
193 #define ISO_639_2_ENTRY_SIZE    3
194 
195 //
196 //
197 //
198 
199 #define EFI_PAGE_SIZE   4096
200 #define EFI_PAGE_MASK   0xFFF
201 #define EFI_PAGE_SHIFT  12
202 
203 #define EFI_SIZE_TO_PAGES(a)  \
204     ( ((a) >> EFI_PAGE_SHIFT) + (((a) & EFI_PAGE_MASK) ? 1 : 0) )
205 
206 #endif
207