Sagar Gore | 8d91a62 | 2017-02-23 14:57:18 -0800 | [diff] [blame] | 1 | /* Copyright (c) 2017, The Linux Foundation. All rights reserved. |
| 2 | * |
| 3 | * This program is free software; you can redistribute it and/or modify |
| 4 | * it under the terms of the GNU General Public License version 2 and |
| 5 | * only version 2 as published by the Free Software Foundation. |
| 6 | * |
| 7 | * This program is distributed in the hope that it will be useful, |
| 8 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 9 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 10 | * GNU General Public License for more details. |
| 11 | */ |
| 12 | |
| 13 | #ifndef _CAM_REQ_MGR_UTIL_PRIV_H_ |
| 14 | #define _CAM_REQ_MGR_UTIL_PRIV_H_ |
| 15 | |
| 16 | /** |
| 17 | * handle format: |
| 18 | * @bits (0-7): handle index |
| 19 | * @bits (8-11): handle type |
| 20 | * @bits (12-15): reserved |
| 21 | * @bits (16-23): random bits |
| 22 | * @bits (24-31): zeros |
| 23 | */ |
| 24 | |
| 25 | #define CAM_REQ_MGR_HDL_SIZE 32 |
| 26 | #define CAM_REQ_MGR_RND1_SIZE 8 |
| 27 | #define CAM_REQ_MGR_RVD_SIZE 4 |
| 28 | #define CAM_REQ_MGR_HDL_TYPE_SIZE 4 |
| 29 | #define CAM_REQ_MGR_HDL_IDX_SIZE 8 |
| 30 | |
| 31 | #define CAM_REQ_MGR_RND1_POS 24 |
| 32 | #define CAM_REQ_MGR_RVD_POS 16 |
| 33 | #define CAM_REQ_MGR_HDL_TYPE_POS 12 |
| 34 | |
| 35 | #define CAM_REQ_MGR_RND1_BYTES 1 |
| 36 | |
| 37 | #define CAM_REQ_MGR_HDL_TYPE_MASK ((1 << CAM_REQ_MGR_HDL_TYPE_SIZE) - 1) |
| 38 | |
| 39 | #define GET_DEV_HANDLE(rnd1, type, idx) \ |
| 40 | ((rnd1 << (CAM_REQ_MGR_RND1_POS - CAM_REQ_MGR_RND1_SIZE)) | \ |
| 41 | (0x0 << (CAM_REQ_MGR_RVD_POS - CAM_REQ_MGR_RVD_SIZE)) | \ |
| 42 | (type << (CAM_REQ_MGR_HDL_TYPE_POS - CAM_REQ_MGR_HDL_TYPE_SIZE)) | \ |
| 43 | (idx << (CAM_REQ_MGR_HDL_IDX_POS - CAM_REQ_MGR_HDL_IDX_SIZE))) \ |
| 44 | |
| 45 | #define CAM_REQ_MGR_GET_HDL_IDX(hdl) (hdl & CAM_REQ_MGR_HDL_IDX_MASK) |
| 46 | #define CAM_REQ_MGR_GET_HDL_TYPE(hdl) \ |
| 47 | ((hdl >> CAM_REQ_MGR_HDL_IDX_POS) & CAM_REQ_MGR_HDL_TYPE_MASK) |
| 48 | |
| 49 | #endif |