| 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 */ |