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1 | /* |
2 | * Copyright 2010-2017 Intel Corporation. | |
3 | * | |
4 | * This program is free software; you can redistribute it and/or modify | |
5 | * it under the terms of the GNU General Public License, version 2, | |
6 | * as published by the Free Software Foundation. | |
7 | * | |
8 | * This program is distributed in the hope that it will be useful, | |
9 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
10 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
11 | * General Public License for more details. | |
12 | * | |
13 | * Disclaimer: The codes contained in these modules may be specific to | |
14 | * the Intel Software Development Platform codenamed Knights Ferry, | |
15 | * and the Intel product codenamed Knights Corner, and are not backward | |
16 | * compatible with other Intel products. Additionally, Intel will NOT | |
17 | * support the codes or instruction set in future products. | |
18 | * | |
19 | * Intel offers no warranty of any kind regarding the code. This code is | |
20 | * licensed on an "AS IS" basis and Intel is not obligated to provide | |
21 | * any support, assistance, installation, training, or other services | |
22 | * of any kind. Intel is also not obligated to provide any updates, | |
23 | * enhancements or extensions. Intel specifically disclaims any warranty | |
24 | * of merchantability, non-infringement, fitness for any particular | |
25 | * purpose, and any other warranty. | |
26 | * | |
27 | * Further, Intel disclaims all liability of any kind, including but | |
28 | * not limited to liability for infringement of any proprietary rights, | |
29 | * relating to the use of the code, even if Intel is notified of the | |
30 | * possibility of such liability. Except as expressly stated in an Intel | |
31 | * license agreement provided with this code and agreed upon with Intel, | |
32 | * no license, express or implied, by estoppel or otherwise, to any | |
33 | * intellectual property rights is granted herein. | |
34 | */ | |
35 | ||
36 | #ifndef _MIC_PSMI_H | |
37 | #define _MIC_PSMI_H | |
38 | ||
39 | struct mic_psmi_pte { | |
40 | uint64_t pa; | |
41 | }; | |
42 | ||
43 | struct mic_psmi_ctx | |
44 | { | |
45 | unsigned char enabled; | |
46 | ||
47 | struct mic_psmi_pte *dma_tbl; | |
48 | int dma_tbl_size; | |
49 | dma_addr_t dma_tbl_hndl; | |
50 | uint64_t dma_mem_size; | |
51 | int nr_dma_pages; | |
52 | ||
53 | struct mic_psmi_pte *va_tbl; | |
54 | }; | |
55 | ||
56 | #define MIC_PSMI_PAGE_ORDER (7) | |
57 | #define MIC_PSMI_PAGE_SIZE (PAGE_SIZE << MIC_PSMI_PAGE_ORDER) | |
58 | #define MIC_PSMI_SIGNATURE 0x4B434F52494D5350L | |
59 | ||
60 | int mic_psmi_open(struct file *filp); | |
61 | ||
62 | #endif /* _MIC_PSMI_H */ |