| /* Copyright (c) 2017, The Linux Foundation. All rights reserved. |
| * |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License version 2 and |
| * only version 2 as published by the Free Software Foundation. |
| * |
| * This program is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| * GNU General Public License for more details. |
| */ |
| |
| #ifndef _CAM_REQ_MGR_UTIL_PRIV_H_ |
| #define _CAM_REQ_MGR_UTIL_PRIV_H_ |
| |
| /** |
| * handle format: |
| * @bits (0-7): handle index |
| * @bits (8-11): handle type |
| * @bits (12-15): reserved |
| * @bits (16-23): random bits |
| * @bits (24-31): zeros |
| */ |
| |
| #define CAM_REQ_MGR_HDL_SIZE 32 |
| #define CAM_REQ_MGR_RND1_SIZE 8 |
| #define CAM_REQ_MGR_RVD_SIZE 4 |
| #define CAM_REQ_MGR_HDL_TYPE_SIZE 4 |
| #define CAM_REQ_MGR_HDL_IDX_SIZE 8 |
| |
| #define CAM_REQ_MGR_RND1_POS 24 |
| #define CAM_REQ_MGR_RVD_POS 16 |
| #define CAM_REQ_MGR_HDL_TYPE_POS 12 |
| |
| #define CAM_REQ_MGR_RND1_BYTES 1 |
| |
| #define CAM_REQ_MGR_HDL_TYPE_MASK ((1 << CAM_REQ_MGR_HDL_TYPE_SIZE) - 1) |
| |
| #define GET_DEV_HANDLE(rnd1, type, idx) \ |
| ((rnd1 << (CAM_REQ_MGR_RND1_POS - CAM_REQ_MGR_RND1_SIZE)) | \ |
| (0x0 << (CAM_REQ_MGR_RVD_POS - CAM_REQ_MGR_RVD_SIZE)) | \ |
| (type << (CAM_REQ_MGR_HDL_TYPE_POS - CAM_REQ_MGR_HDL_TYPE_SIZE)) | \ |
| (idx << (CAM_REQ_MGR_HDL_IDX_POS - CAM_REQ_MGR_HDL_IDX_SIZE))) \ |
| |
| #define CAM_REQ_MGR_GET_HDL_IDX(hdl) (hdl & CAM_REQ_MGR_HDL_IDX_MASK) |
| #define CAM_REQ_MGR_GET_HDL_TYPE(hdl) \ |
| ((hdl >> CAM_REQ_MGR_HDL_IDX_POS) & CAM_REQ_MGR_HDL_TYPE_MASK) |
| |
| #endif |