1 /* $NetBSD: via_padlock.h,v 1.10 2020/06/29 23:38:02 riastradh Exp $ */ 2 3 /*- 4 * Copyright (c) 2003 Jason Wright 5 * Copyright (c) 2003, 2004 Theo de Raadt 6 * All rights reserved. 7 * 8 * Permission to use, copy, modify, and distribute this software for any 9 * purpose with or without fee is hereby granted, provided that the above 10 * copyright notice and this permission notice appear in all copies. 11 * 12 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 13 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 14 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR 15 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 16 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 17 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 18 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 19 */ 20 21 #ifndef _X86_VIA_PADLOCK_H_ 22 #define _X86_VIA_PADLOCK_H_ 23 24 #if defined(_KERNEL) 25 26 #include <sys/rndsource.h> 27 #include <sys/callout.h> 28 29 #include <crypto/aes/aes.h> 30 31 /* VIA C3 xcrypt-* instruction context control options */ 32 #define C3_CRYPT_CWLO_ROUND_M 0x0000000f 33 #define C3_CRYPT_CWLO_ALG_M 0x00000070 34 #define C3_CRYPT_CWLO_ALG_AES 0x00000000 35 #define C3_CRYPT_CWLO_KEYGEN_M 0x00000080 36 #define C3_CRYPT_CWLO_KEYGEN_HW 0x00000000 37 #define C3_CRYPT_CWLO_KEYGEN_SW 0x00000080 38 #define C3_CRYPT_CWLO_NORMAL 0x00000000 39 #define C3_CRYPT_CWLO_INTERMEDIATE 0x00000100 40 #define C3_CRYPT_CWLO_ENCRYPT 0x00000000 41 #define C3_CRYPT_CWLO_DECRYPT 0x00000200 42 #define C3_CRYPT_CWLO_KEY128 0x0000000a /* 128bit, 10 rds */ 43 #define C3_CRYPT_CWLO_KEY192 0x0000040c /* 192bit, 12 rds */ 44 #define C3_CRYPT_CWLO_KEY256 0x0000080e /* 256bit, 15 rds */ 45 46 struct via_padlock_session { 47 uint32_t ses_ekey[4*(AES_256_NROUNDS + 1)]; 48 uint32_t ses_dkey[4*(AES_256_NROUNDS + 1)]; 49 uint32_t ses_cw0; 50 struct swcr_data *swd; 51 int ses_klen; 52 int ses_used; 53 }; 54 55 struct via_padlock_softc { 56 device_t sc_dev; 57 58 uint32_t op_cw[4]; /* 128 bit aligned */ 59 uint8_t op_iv[16]; /* 128 bit aligned */ 60 void *op_buf; 61 62 /* normal softc stuff */ 63 int32_t sc_cid; 64 bool sc_cid_attached; 65 int sc_nsessions; 66 struct via_padlock_session *sc_sessions; 67 }; 68 69 #define VIAC3_SESSION(sid) ((sid) & 0x0fffffff) 70 #define VIAC3_SID(crd,ses) (((crd) << 28) | ((ses) & 0x0fffffff)) 71 72 #endif /* _KERNEL */ 73 74 #if defined(_KERNEL) || defined(_KMEMUSER) 75 struct cpu_info; 76 77 struct via_padlock { 78 struct cpu_info *vp_ci; 79 int vp_freq; 80 }; 81 82 #endif /* _KERNEL || _KMEMUSER */ 83 #endif /* _X86_VIA_PADLOCK_H_ */ 84