1 /* SPDX-License-Identifier: GPL-2.0 */ 2 /* Copyright (c) 2019 HiSilicon Limited. */ 3 #ifndef HISI_ZIP_H 4 #define HISI_ZIP_H 5 6 #undef pr_fmt 7 #define pr_fmt(fmt) "hisi_zip: " fmt 8 9 #include <linux/list.h> 10 #include "../qm.h" 11 12 /* hisi_zip_sqe dw3 */ 13 #define HZIP_BD_STATUS_M GENMASK(7, 0) 14 /* hisi_zip_sqe dw9 */ 15 #define HZIP_REQ_TYPE_M GENMASK(7, 0) 16 #define HZIP_ALG_TYPE_ZLIB 0x02 17 #define HZIP_ALG_TYPE_GZIP 0x03 18 #define HZIP_BUF_TYPE_M GENMASK(11, 8) 19 #define HZIP_PBUFFER 0x0 20 #define HZIP_SGL 0x1 21 22 enum hisi_zip_error_type { 23 /* negative compression */ 24 HZIP_NC_ERR = 0x0d, 25 }; 26 27 struct hisi_zip_ctrl; 28 29 struct hisi_zip { 30 struct hisi_qm qm; 31 struct list_head list; 32 struct hisi_zip_ctrl *ctrl; 33 }; 34 35 struct hisi_zip_sqe { 36 u32 consumed; 37 u32 produced; 38 u32 comp_data_length; 39 u32 dw3; 40 u32 input_data_length; 41 u32 lba_l; 42 u32 lba_h; 43 u32 dw7; 44 u32 dw8; 45 u32 dw9; 46 u32 dw10; 47 u32 priv_info; 48 u32 dw12; 49 u32 tag; 50 u32 dest_avail_out; 51 u32 rsvd0; 52 u32 comp_head_addr_l; 53 u32 comp_head_addr_h; 54 u32 source_addr_l; 55 u32 source_addr_h; 56 u32 dest_addr_l; 57 u32 dest_addr_h; 58 u32 stream_ctx_addr_l; 59 u32 stream_ctx_addr_h; 60 u32 cipher_key1_addr_l; 61 u32 cipher_key1_addr_h; 62 u32 cipher_key2_addr_l; 63 u32 cipher_key2_addr_h; 64 u32 rsvd1[4]; 65 }; 66 67 struct hisi_zip *find_zip_device(int node); 68 int hisi_zip_register_to_crypto(void); 69 void hisi_zip_unregister_from_crypto(void); 70 #endif 71