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1 | /*- |
2 | * This file is provided under a dual BSD/LGPLv2 license. When using or | |
3 | * redistributing this file, you may do so under either license. | |
4 | * | |
5 | * GNU LESSER GENERAL PUBLIC LICENSE | |
6 | * | |
7 | * Copyright(c) 2007-2014 Intel Corporation. All rights reserved. | |
8 | * | |
9 | * This program is free software; you can redistribute it and/or modify | |
10 | * it under the terms of version 2.1 of the GNU Lesser General Public License | |
11 | * as published by the Free Software Foundation. | |
12 | * | |
13 | * This program is distributed in the hope that it will be useful, but | |
14 | * WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
16 | * Lesser General Public License for more details. | |
17 | * | |
18 | * You should have received a copy of the GNU Lesser General Public License | |
19 | * along with this program; if not, write to the Free Software | |
20 | * Foundation, Inc., 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA. | |
21 | * | |
22 | * Contact Information: | |
23 | * Intel Corporation | |
24 | * | |
25 | * | |
26 | * BSD LICENSE | |
27 | * | |
28 | * Copyright(c) 2010-2014 Intel Corporation. All rights reserved. | |
29 | * All rights reserved. | |
30 | * | |
31 | * Redistribution and use in source and binary forms, with or without | |
32 | * modification, are permitted provided that the following conditions | |
33 | * are met: | |
34 | * | |
35 | * * Redistributions of source code must retain the above copyright | |
36 | * notice, this list of conditions and the following disclaimer. | |
37 | * * Redistributions in binary form must reproduce the above copyright | |
38 | * notice, this list of conditions and the following disclaimer in | |
39 | * the documentation and/or other materials provided with the | |
40 | * distribution. | |
41 | * * Neither the name of Intel Corporation nor the names of its | |
42 | * contributors may be used to endorse or promote products derived | |
43 | * from this software without specific prior written permission. | |
44 | * | |
45 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | |
46 | * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | |
47 | * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR | |
48 | * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT | |
49 | * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | |
50 | * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT | |
51 | * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | |
52 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | |
53 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | |
54 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | |
55 | * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
56 | * | |
57 | */ | |
58 | ||
59 | #ifndef _RTE_DOM0_COMMON_H_ | |
60 | #define _RTE_DOM0_COMMON_H_ | |
61 | ||
62 | #ifdef __KERNEL__ | |
63 | #include <linux/if.h> | |
64 | #endif | |
65 | ||
66 | #define DOM0_NAME_MAX 256 | |
67 | #define DOM0_MM_DEV "/dev/dom0_mm" | |
68 | ||
69 | #define DOM0_CONTIG_NUM_ORDER 9 /**< 2M order */ | |
70 | #define DOM0_NUM_MEMSEG 512 /**< Maximum nb. of memory segment. */ | |
71 | #define DOM0_MEMBLOCK_SIZE 0x200000 /**< Maximum nb. of memory block(2M). */ | |
72 | #define DOM0_CONFIG_MEMSIZE 4096 /**< Maximum config memory size(4G). */ | |
73 | #define DOM0_NUM_MEMBLOCK (DOM0_CONFIG_MEMSIZE / 2) /**< Maximum nb. of 2M memory block. */ | |
74 | ||
75 | #define RTE_DOM0_IOCTL_PREPARE_MEMSEG _IOWR(0, 1 , struct memory_info) | |
76 | #define RTE_DOM0_IOCTL_ATTACH_TO_MEMSEG _IOWR(0, 2 , char *) | |
77 | #define RTE_DOM0_IOCTL_GET_NUM_MEMSEG _IOWR(0, 3, int) | |
78 | #define RTE_DOM0_IOCTL_GET_MEMSEG_INFO _IOWR(0, 4, void *) | |
79 | ||
80 | /** | |
81 | * A structure used to store memory information. | |
82 | */ | |
83 | struct memory_info { | |
84 | char name[DOM0_NAME_MAX]; | |
85 | uint64_t size; | |
86 | }; | |
87 | ||
88 | /** | |
89 | * A structure used to store memory segment information. | |
90 | */ | |
91 | struct memseg_info { | |
92 | uint32_t idx; | |
93 | uint64_t pfn; | |
94 | uint64_t size; | |
95 | uint64_t mfn[DOM0_NUM_MEMBLOCK]; | |
96 | }; | |
97 | ||
98 | /** | |
99 | * A structure used to store memory block information. | |
100 | */ | |
101 | struct memblock_info { | |
102 | uint8_t exchange_flag; | |
103 | uint64_t vir_addr; | |
104 | uint64_t pfn; | |
105 | uint64_t mfn; | |
106 | }; | |
107 | #endif /* _RTE_DOM0_COMMON_H_ */ |