Tadeusz Struk | d370cec | 2014-06-05 13:43:32 -0700 | [diff] [blame] | 1 | /* |
| 2 | This file is provided under a dual BSD/GPLv2 license. When using or |
| 3 | redistributing this file, you may do so under either license. |
| 4 | |
| 5 | GPL LICENSE SUMMARY |
| 6 | Copyright(c) 2014 Intel Corporation. |
| 7 | This program is free software; you can redistribute it and/or modify |
| 8 | it under the terms of version 2 of the GNU General Public License as |
| 9 | published by the Free Software Foundation. |
| 10 | |
| 11 | This program is distributed in the hope that it will be useful, but |
| 12 | WITHOUT ANY WARRANTY; without even the implied warranty of |
| 13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 14 | General Public License for more details. |
| 15 | |
| 16 | Contact Information: |
| 17 | qat-linux@intel.com |
| 18 | |
| 19 | BSD LICENSE |
| 20 | Copyright(c) 2014 Intel Corporation. |
| 21 | Redistribution and use in source and binary forms, with or without |
| 22 | modification, are permitted provided that the following conditions |
| 23 | are met: |
| 24 | |
| 25 | * Redistributions of source code must retain the above copyright |
| 26 | notice, this list of conditions and the following disclaimer. |
| 27 | * Redistributions in binary form must reproduce the above copyright |
| 28 | notice, this list of conditions and the following disclaimer in |
| 29 | the documentation and/or other materials provided with the |
| 30 | distribution. |
| 31 | * Neither the name of Intel Corporation nor the names of its |
| 32 | contributors may be used to endorse or promote products derived |
| 33 | from this software without specific prior written permission. |
| 34 | |
| 35 | THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| 36 | "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| 37 | LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| 38 | A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| 39 | OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| 40 | SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| 41 | LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| 42 | DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| 43 | THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| 44 | (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| 45 | OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 46 | */ |
| 47 | #include <linux/module.h> |
| 48 | #include <linux/slab.h> |
| 49 | #include <linux/crypto.h> |
Herbert Xu | 0ed6264 | 2015-05-11 17:47:46 +0800 | [diff] [blame] | 50 | #include <crypto/internal/aead.h> |
Tadeusz Struk | d370cec | 2014-06-05 13:43:32 -0700 | [diff] [blame] | 51 | #include <crypto/aes.h> |
| 52 | #include <crypto/sha.h> |
| 53 | #include <crypto/hash.h> |
| 54 | #include <crypto/algapi.h> |
| 55 | #include <crypto/authenc.h> |
Tadeusz Struk | d370cec | 2014-06-05 13:43:32 -0700 | [diff] [blame] | 56 | #include <linux/dma-mapping.h> |
| 57 | #include "adf_accel_devices.h" |
| 58 | #include "adf_transport.h" |
| 59 | #include "adf_common_drv.h" |
| 60 | #include "qat_crypto.h" |
| 61 | #include "icp_qat_hw.h" |
| 62 | #include "icp_qat_fw.h" |
| 63 | #include "icp_qat_fw_la.h" |
| 64 | |
Tadeusz Struk | def14bf | 2015-09-30 05:38:39 -0700 | [diff] [blame] | 65 | #define QAT_AES_HW_CONFIG_ENC(alg, mode) \ |
| 66 | ICP_QAT_HW_CIPHER_CONFIG_BUILD(mode, alg, \ |
Tadeusz Struk | 338e84f | 2014-12-08 12:08:49 -0800 | [diff] [blame] | 67 | ICP_QAT_HW_CIPHER_NO_CONVERT, \ |
| 68 | ICP_QAT_HW_CIPHER_ENCRYPT) |
Tadeusz Struk | d370cec | 2014-06-05 13:43:32 -0700 | [diff] [blame] | 69 | |
Tadeusz Struk | def14bf | 2015-09-30 05:38:39 -0700 | [diff] [blame] | 70 | #define QAT_AES_HW_CONFIG_DEC(alg, mode) \ |
| 71 | ICP_QAT_HW_CIPHER_CONFIG_BUILD(mode, alg, \ |
Tadeusz Struk | 338e84f | 2014-12-08 12:08:49 -0800 | [diff] [blame] | 72 | ICP_QAT_HW_CIPHER_KEY_CONVERT, \ |
| 73 | ICP_QAT_HW_CIPHER_DECRYPT) |
Tadeusz Struk | d370cec | 2014-06-05 13:43:32 -0700 | [diff] [blame] | 74 | |
Tadeusz Struk | 6f043b5 | 2015-07-21 22:07:47 -0700 | [diff] [blame] | 75 | static DEFINE_MUTEX(algs_lock); |
| 76 | static unsigned int active_devs; |
Tadeusz Struk | d370cec | 2014-06-05 13:43:32 -0700 | [diff] [blame] | 77 | |
| 78 | struct qat_alg_buf { |
| 79 | uint32_t len; |
| 80 | uint32_t resrvd; |
| 81 | uint64_t addr; |
| 82 | } __packed; |
| 83 | |
| 84 | struct qat_alg_buf_list { |
| 85 | uint64_t resrvd; |
| 86 | uint32_t num_bufs; |
| 87 | uint32_t num_mapped_bufs; |
| 88 | struct qat_alg_buf bufers[]; |
| 89 | } __packed __aligned(64); |
| 90 | |
| 91 | /* Common content descriptor */ |
| 92 | struct qat_alg_cd { |
| 93 | union { |
| 94 | struct qat_enc { /* Encrypt content desc */ |
| 95 | struct icp_qat_hw_cipher_algo_blk cipher; |
| 96 | struct icp_qat_hw_auth_algo_blk hash; |
| 97 | } qat_enc_cd; |
| 98 | struct qat_dec { /* Decrytp content desc */ |
| 99 | struct icp_qat_hw_auth_algo_blk hash; |
| 100 | struct icp_qat_hw_cipher_algo_blk cipher; |
| 101 | } qat_dec_cd; |
| 102 | }; |
| 103 | } __aligned(64); |
| 104 | |
Tadeusz Struk | 338e84f | 2014-12-08 12:08:49 -0800 | [diff] [blame] | 105 | struct qat_alg_aead_ctx { |
Tadeusz Struk | d370cec | 2014-06-05 13:43:32 -0700 | [diff] [blame] | 106 | struct qat_alg_cd *enc_cd; |
Tadeusz Struk | d370cec | 2014-06-05 13:43:32 -0700 | [diff] [blame] | 107 | struct qat_alg_cd *dec_cd; |
Tadeusz Struk | 338e84f | 2014-12-08 12:08:49 -0800 | [diff] [blame] | 108 | dma_addr_t enc_cd_paddr; |
Tadeusz Struk | d370cec | 2014-06-05 13:43:32 -0700 | [diff] [blame] | 109 | dma_addr_t dec_cd_paddr; |
Tadeusz Struk | 338e84f | 2014-12-08 12:08:49 -0800 | [diff] [blame] | 110 | struct icp_qat_fw_la_bulk_req enc_fw_req; |
| 111 | struct icp_qat_fw_la_bulk_req dec_fw_req; |
Tadeusz Struk | d370cec | 2014-06-05 13:43:32 -0700 | [diff] [blame] | 112 | struct crypto_shash *hash_tfm; |
| 113 | enum icp_qat_hw_auth_algo qat_hash_alg; |
Tadeusz Struk | 338e84f | 2014-12-08 12:08:49 -0800 | [diff] [blame] | 114 | struct qat_crypto_instance *inst; |
Tadeusz Struk | 338e84f | 2014-12-08 12:08:49 -0800 | [diff] [blame] | 115 | }; |
| 116 | |
| 117 | struct qat_alg_ablkcipher_ctx { |
| 118 | struct icp_qat_hw_cipher_algo_blk *enc_cd; |
| 119 | struct icp_qat_hw_cipher_algo_blk *dec_cd; |
| 120 | dma_addr_t enc_cd_paddr; |
| 121 | dma_addr_t dec_cd_paddr; |
| 122 | struct icp_qat_fw_la_bulk_req enc_fw_req; |
| 123 | struct icp_qat_fw_la_bulk_req dec_fw_req; |
| 124 | struct qat_crypto_instance *inst; |
| 125 | struct crypto_tfm *tfm; |
| 126 | spinlock_t lock; /* protects qat_alg_ablkcipher_ctx struct */ |
Tadeusz Struk | d370cec | 2014-06-05 13:43:32 -0700 | [diff] [blame] | 127 | }; |
| 128 | |
Tadeusz Struk | d370cec | 2014-06-05 13:43:32 -0700 | [diff] [blame] | 129 | static int qat_get_inter_state_size(enum icp_qat_hw_auth_algo qat_hash_alg) |
| 130 | { |
| 131 | switch (qat_hash_alg) { |
| 132 | case ICP_QAT_HW_AUTH_ALGO_SHA1: |
| 133 | return ICP_QAT_HW_SHA1_STATE1_SZ; |
| 134 | case ICP_QAT_HW_AUTH_ALGO_SHA256: |
| 135 | return ICP_QAT_HW_SHA256_STATE1_SZ; |
| 136 | case ICP_QAT_HW_AUTH_ALGO_SHA512: |
| 137 | return ICP_QAT_HW_SHA512_STATE1_SZ; |
| 138 | default: |
| 139 | return -EFAULT; |
| 140 | }; |
| 141 | return -EFAULT; |
| 142 | } |
| 143 | |
| 144 | static int qat_alg_do_precomputes(struct icp_qat_hw_auth_algo_blk *hash, |
Tadeusz Struk | 338e84f | 2014-12-08 12:08:49 -0800 | [diff] [blame] | 145 | struct qat_alg_aead_ctx *ctx, |
Tadeusz Struk | d370cec | 2014-06-05 13:43:32 -0700 | [diff] [blame] | 146 | const uint8_t *auth_key, |
Tadeusz Struk | 26c3af6 | 2014-09-10 14:07:36 -0700 | [diff] [blame] | 147 | unsigned int auth_keylen) |
Tadeusz Struk | d370cec | 2014-06-05 13:43:32 -0700 | [diff] [blame] | 148 | { |
Behan Webster | 37e5265 | 2014-04-04 18:18:00 -0300 | [diff] [blame] | 149 | SHASH_DESC_ON_STACK(shash, ctx->hash_tfm); |
Tadeusz Struk | d370cec | 2014-06-05 13:43:32 -0700 | [diff] [blame] | 150 | struct sha1_state sha1; |
| 151 | struct sha256_state sha256; |
| 152 | struct sha512_state sha512; |
| 153 | int block_size = crypto_shash_blocksize(ctx->hash_tfm); |
| 154 | int digest_size = crypto_shash_digestsize(ctx->hash_tfm); |
Herbert Xu | 48eb369 | 2015-01-14 10:07:03 +1100 | [diff] [blame] | 155 | char ipad[block_size]; |
| 156 | char opad[block_size]; |
Tadeusz Struk | d370cec | 2014-06-05 13:43:32 -0700 | [diff] [blame] | 157 | __be32 *hash_state_out; |
| 158 | __be64 *hash512_state_out; |
| 159 | int i, offset; |
| 160 | |
Herbert Xu | 48eb369 | 2015-01-14 10:07:03 +1100 | [diff] [blame] | 161 | memset(ipad, 0, block_size); |
| 162 | memset(opad, 0, block_size); |
Behan Webster | 37e5265 | 2014-04-04 18:18:00 -0300 | [diff] [blame] | 163 | shash->tfm = ctx->hash_tfm; |
| 164 | shash->flags = 0x0; |
Tadeusz Struk | d370cec | 2014-06-05 13:43:32 -0700 | [diff] [blame] | 165 | |
| 166 | if (auth_keylen > block_size) { |
Behan Webster | 37e5265 | 2014-04-04 18:18:00 -0300 | [diff] [blame] | 167 | int ret = crypto_shash_digest(shash, auth_key, |
Herbert Xu | 48eb369 | 2015-01-14 10:07:03 +1100 | [diff] [blame] | 168 | auth_keylen, ipad); |
Tadeusz Struk | d370cec | 2014-06-05 13:43:32 -0700 | [diff] [blame] | 169 | if (ret) |
| 170 | return ret; |
| 171 | |
Herbert Xu | 48eb369 | 2015-01-14 10:07:03 +1100 | [diff] [blame] | 172 | memcpy(opad, ipad, digest_size); |
Tadeusz Struk | d370cec | 2014-06-05 13:43:32 -0700 | [diff] [blame] | 173 | } else { |
| 174 | memcpy(ipad, auth_key, auth_keylen); |
| 175 | memcpy(opad, auth_key, auth_keylen); |
Tadeusz Struk | d370cec | 2014-06-05 13:43:32 -0700 | [diff] [blame] | 176 | } |
| 177 | |
| 178 | for (i = 0; i < block_size; i++) { |
| 179 | char *ipad_ptr = ipad + i; |
| 180 | char *opad_ptr = opad + i; |
| 181 | *ipad_ptr ^= 0x36; |
| 182 | *opad_ptr ^= 0x5C; |
| 183 | } |
| 184 | |
Behan Webster | 37e5265 | 2014-04-04 18:18:00 -0300 | [diff] [blame] | 185 | if (crypto_shash_init(shash)) |
Tadeusz Struk | d370cec | 2014-06-05 13:43:32 -0700 | [diff] [blame] | 186 | return -EFAULT; |
| 187 | |
Behan Webster | 37e5265 | 2014-04-04 18:18:00 -0300 | [diff] [blame] | 188 | if (crypto_shash_update(shash, ipad, block_size)) |
Tadeusz Struk | d370cec | 2014-06-05 13:43:32 -0700 | [diff] [blame] | 189 | return -EFAULT; |
| 190 | |
| 191 | hash_state_out = (__be32 *)hash->sha.state1; |
| 192 | hash512_state_out = (__be64 *)hash_state_out; |
| 193 | |
| 194 | switch (ctx->qat_hash_alg) { |
| 195 | case ICP_QAT_HW_AUTH_ALGO_SHA1: |
Behan Webster | 37e5265 | 2014-04-04 18:18:00 -0300 | [diff] [blame] | 196 | if (crypto_shash_export(shash, &sha1)) |
Tadeusz Struk | d370cec | 2014-06-05 13:43:32 -0700 | [diff] [blame] | 197 | return -EFAULT; |
| 198 | for (i = 0; i < digest_size >> 2; i++, hash_state_out++) |
| 199 | *hash_state_out = cpu_to_be32(*(sha1.state + i)); |
| 200 | break; |
| 201 | case ICP_QAT_HW_AUTH_ALGO_SHA256: |
Behan Webster | 37e5265 | 2014-04-04 18:18:00 -0300 | [diff] [blame] | 202 | if (crypto_shash_export(shash, &sha256)) |
Tadeusz Struk | d370cec | 2014-06-05 13:43:32 -0700 | [diff] [blame] | 203 | return -EFAULT; |
| 204 | for (i = 0; i < digest_size >> 2; i++, hash_state_out++) |
| 205 | *hash_state_out = cpu_to_be32(*(sha256.state + i)); |
| 206 | break; |
| 207 | case ICP_QAT_HW_AUTH_ALGO_SHA512: |
Behan Webster | 37e5265 | 2014-04-04 18:18:00 -0300 | [diff] [blame] | 208 | if (crypto_shash_export(shash, &sha512)) |
Tadeusz Struk | d370cec | 2014-06-05 13:43:32 -0700 | [diff] [blame] | 209 | return -EFAULT; |
| 210 | for (i = 0; i < digest_size >> 3; i++, hash512_state_out++) |
| 211 | *hash512_state_out = cpu_to_be64(*(sha512.state + i)); |
| 212 | break; |
| 213 | default: |
| 214 | return -EFAULT; |
| 215 | } |
| 216 | |
Behan Webster | 37e5265 | 2014-04-04 18:18:00 -0300 | [diff] [blame] | 217 | if (crypto_shash_init(shash)) |
Tadeusz Struk | d370cec | 2014-06-05 13:43:32 -0700 | [diff] [blame] | 218 | return -EFAULT; |
| 219 | |
Behan Webster | 37e5265 | 2014-04-04 18:18:00 -0300 | [diff] [blame] | 220 | if (crypto_shash_update(shash, opad, block_size)) |
Tadeusz Struk | d370cec | 2014-06-05 13:43:32 -0700 | [diff] [blame] | 221 | return -EFAULT; |
| 222 | |
| 223 | offset = round_up(qat_get_inter_state_size(ctx->qat_hash_alg), 8); |
| 224 | hash_state_out = (__be32 *)(hash->sha.state1 + offset); |
| 225 | hash512_state_out = (__be64 *)hash_state_out; |
| 226 | |
| 227 | switch (ctx->qat_hash_alg) { |
| 228 | case ICP_QAT_HW_AUTH_ALGO_SHA1: |
Behan Webster | 37e5265 | 2014-04-04 18:18:00 -0300 | [diff] [blame] | 229 | if (crypto_shash_export(shash, &sha1)) |
Tadeusz Struk | d370cec | 2014-06-05 13:43:32 -0700 | [diff] [blame] | 230 | return -EFAULT; |
| 231 | for (i = 0; i < digest_size >> 2; i++, hash_state_out++) |
| 232 | *hash_state_out = cpu_to_be32(*(sha1.state + i)); |
| 233 | break; |
| 234 | case ICP_QAT_HW_AUTH_ALGO_SHA256: |
Behan Webster | 37e5265 | 2014-04-04 18:18:00 -0300 | [diff] [blame] | 235 | if (crypto_shash_export(shash, &sha256)) |
Tadeusz Struk | d370cec | 2014-06-05 13:43:32 -0700 | [diff] [blame] | 236 | return -EFAULT; |
| 237 | for (i = 0; i < digest_size >> 2; i++, hash_state_out++) |
| 238 | *hash_state_out = cpu_to_be32(*(sha256.state + i)); |
| 239 | break; |
| 240 | case ICP_QAT_HW_AUTH_ALGO_SHA512: |
Behan Webster | 37e5265 | 2014-04-04 18:18:00 -0300 | [diff] [blame] | 241 | if (crypto_shash_export(shash, &sha512)) |
Tadeusz Struk | d370cec | 2014-06-05 13:43:32 -0700 | [diff] [blame] | 242 | return -EFAULT; |
| 243 | for (i = 0; i < digest_size >> 3; i++, hash512_state_out++) |
| 244 | *hash512_state_out = cpu_to_be64(*(sha512.state + i)); |
| 245 | break; |
| 246 | default: |
| 247 | return -EFAULT; |
| 248 | } |
Struk, Tadeusz | aa408d6 | 2014-11-14 11:23:52 -0800 | [diff] [blame] | 249 | memzero_explicit(ipad, block_size); |
| 250 | memzero_explicit(opad, block_size); |
Tadeusz Struk | d370cec | 2014-06-05 13:43:32 -0700 | [diff] [blame] | 251 | return 0; |
| 252 | } |
| 253 | |
| 254 | static void qat_alg_init_common_hdr(struct icp_qat_fw_comn_req_hdr *header) |
| 255 | { |
| 256 | header->hdr_flags = |
| 257 | ICP_QAT_FW_COMN_HDR_FLAGS_BUILD(ICP_QAT_FW_COMN_REQ_FLAG_SET); |
| 258 | header->service_type = ICP_QAT_FW_COMN_REQ_CPM_FW_LA; |
| 259 | header->comn_req_flags = |
| 260 | ICP_QAT_FW_COMN_FLAGS_BUILD(QAT_COMN_CD_FLD_TYPE_64BIT_ADR, |
| 261 | QAT_COMN_PTR_TYPE_SGL); |
Tadeusz Struk | d370cec | 2014-06-05 13:43:32 -0700 | [diff] [blame] | 262 | ICP_QAT_FW_LA_PARTIAL_SET(header->serv_specif_flags, |
| 263 | ICP_QAT_FW_LA_PARTIAL_NONE); |
| 264 | ICP_QAT_FW_LA_CIPH_IV_FLD_FLAG_SET(header->serv_specif_flags, |
| 265 | ICP_QAT_FW_CIPH_IV_16BYTE_DATA); |
| 266 | ICP_QAT_FW_LA_PROTO_SET(header->serv_specif_flags, |
| 267 | ICP_QAT_FW_LA_NO_PROTO); |
| 268 | ICP_QAT_FW_LA_UPDATE_STATE_SET(header->serv_specif_flags, |
| 269 | ICP_QAT_FW_LA_NO_UPDATE_STATE); |
| 270 | } |
| 271 | |
Herbert Xu | e19ab121 | 2015-07-30 17:53:20 +0800 | [diff] [blame] | 272 | static int qat_alg_aead_init_enc_session(struct crypto_aead *aead_tfm, |
Tadeusz Struk | 338e84f | 2014-12-08 12:08:49 -0800 | [diff] [blame] | 273 | int alg, |
Tadeusz Struk | def14bf | 2015-09-30 05:38:39 -0700 | [diff] [blame] | 274 | struct crypto_authenc_keys *keys, |
| 275 | int mode) |
Tadeusz Struk | d370cec | 2014-06-05 13:43:32 -0700 | [diff] [blame] | 276 | { |
Herbert Xu | e19ab121 | 2015-07-30 17:53:20 +0800 | [diff] [blame] | 277 | struct qat_alg_aead_ctx *ctx = crypto_aead_ctx(aead_tfm); |
Herbert Xu | 0a13941 | 2015-08-13 17:29:04 +0800 | [diff] [blame] | 278 | unsigned int digestsize = crypto_aead_authsize(aead_tfm); |
Tadeusz Struk | d370cec | 2014-06-05 13:43:32 -0700 | [diff] [blame] | 279 | struct qat_enc *enc_ctx = &ctx->enc_cd->qat_enc_cd; |
| 280 | struct icp_qat_hw_cipher_algo_blk *cipher = &enc_ctx->cipher; |
| 281 | struct icp_qat_hw_auth_algo_blk *hash = |
| 282 | (struct icp_qat_hw_auth_algo_blk *)((char *)enc_ctx + |
| 283 | sizeof(struct icp_qat_hw_auth_setup) + keys->enckeylen); |
Tadeusz Struk | 338e84f | 2014-12-08 12:08:49 -0800 | [diff] [blame] | 284 | struct icp_qat_fw_la_bulk_req *req_tmpl = &ctx->enc_fw_req; |
Tadeusz Struk | d370cec | 2014-06-05 13:43:32 -0700 | [diff] [blame] | 285 | struct icp_qat_fw_comn_req_hdr_cd_pars *cd_pars = &req_tmpl->cd_pars; |
| 286 | struct icp_qat_fw_comn_req_hdr *header = &req_tmpl->comn_hdr; |
| 287 | void *ptr = &req_tmpl->cd_ctrl; |
| 288 | struct icp_qat_fw_cipher_cd_ctrl_hdr *cipher_cd_ctrl = ptr; |
| 289 | struct icp_qat_fw_auth_cd_ctrl_hdr *hash_cd_ctrl = ptr; |
Tadeusz Struk | d370cec | 2014-06-05 13:43:32 -0700 | [diff] [blame] | 290 | |
| 291 | /* CD setup */ |
Tadeusz Struk | def14bf | 2015-09-30 05:38:39 -0700 | [diff] [blame] | 292 | cipher->aes.cipher_config.val = QAT_AES_HW_CONFIG_ENC(alg, mode); |
Tadeusz Struk | d370cec | 2014-06-05 13:43:32 -0700 | [diff] [blame] | 293 | memcpy(cipher->aes.key, keys->enckey, keys->enckeylen); |
| 294 | hash->sha.inner_setup.auth_config.config = |
| 295 | ICP_QAT_HW_AUTH_CONFIG_BUILD(ICP_QAT_HW_AUTH_MODE1, |
| 296 | ctx->qat_hash_alg, digestsize); |
| 297 | hash->sha.inner_setup.auth_counter.counter = |
| 298 | cpu_to_be32(crypto_shash_blocksize(ctx->hash_tfm)); |
| 299 | |
Tadeusz Struk | 26c3af6 | 2014-09-10 14:07:36 -0700 | [diff] [blame] | 300 | if (qat_alg_do_precomputes(hash, ctx, keys->authkey, keys->authkeylen)) |
Tadeusz Struk | d370cec | 2014-06-05 13:43:32 -0700 | [diff] [blame] | 301 | return -EFAULT; |
| 302 | |
| 303 | /* Request setup */ |
| 304 | qat_alg_init_common_hdr(header); |
| 305 | header->service_cmd_id = ICP_QAT_FW_LA_CMD_CIPHER_HASH; |
Tadeusz Struk | 338e84f | 2014-12-08 12:08:49 -0800 | [diff] [blame] | 306 | ICP_QAT_FW_LA_DIGEST_IN_BUFFER_SET(header->serv_specif_flags, |
| 307 | ICP_QAT_FW_LA_DIGEST_IN_BUFFER); |
Tadeusz Struk | d370cec | 2014-06-05 13:43:32 -0700 | [diff] [blame] | 308 | ICP_QAT_FW_LA_RET_AUTH_SET(header->serv_specif_flags, |
| 309 | ICP_QAT_FW_LA_RET_AUTH_RES); |
| 310 | ICP_QAT_FW_LA_CMP_AUTH_SET(header->serv_specif_flags, |
| 311 | ICP_QAT_FW_LA_NO_CMP_AUTH_RES); |
| 312 | cd_pars->u.s.content_desc_addr = ctx->enc_cd_paddr; |
| 313 | cd_pars->u.s.content_desc_params_sz = sizeof(struct qat_alg_cd) >> 3; |
| 314 | |
| 315 | /* Cipher CD config setup */ |
| 316 | cipher_cd_ctrl->cipher_key_sz = keys->enckeylen >> 3; |
| 317 | cipher_cd_ctrl->cipher_state_sz = AES_BLOCK_SIZE >> 3; |
| 318 | cipher_cd_ctrl->cipher_cfg_offset = 0; |
| 319 | ICP_QAT_FW_COMN_CURR_ID_SET(cipher_cd_ctrl, ICP_QAT_FW_SLICE_CIPHER); |
| 320 | ICP_QAT_FW_COMN_NEXT_ID_SET(cipher_cd_ctrl, ICP_QAT_FW_SLICE_AUTH); |
| 321 | /* Auth CD config setup */ |
| 322 | hash_cd_ctrl->hash_cfg_offset = ((char *)hash - (char *)cipher) >> 3; |
| 323 | hash_cd_ctrl->hash_flags = ICP_QAT_FW_AUTH_HDR_FLAG_NO_NESTED; |
| 324 | hash_cd_ctrl->inner_res_sz = digestsize; |
| 325 | hash_cd_ctrl->final_sz = digestsize; |
| 326 | |
| 327 | switch (ctx->qat_hash_alg) { |
| 328 | case ICP_QAT_HW_AUTH_ALGO_SHA1: |
| 329 | hash_cd_ctrl->inner_state1_sz = |
| 330 | round_up(ICP_QAT_HW_SHA1_STATE1_SZ, 8); |
| 331 | hash_cd_ctrl->inner_state2_sz = |
| 332 | round_up(ICP_QAT_HW_SHA1_STATE2_SZ, 8); |
| 333 | break; |
| 334 | case ICP_QAT_HW_AUTH_ALGO_SHA256: |
| 335 | hash_cd_ctrl->inner_state1_sz = ICP_QAT_HW_SHA256_STATE1_SZ; |
| 336 | hash_cd_ctrl->inner_state2_sz = ICP_QAT_HW_SHA256_STATE2_SZ; |
| 337 | break; |
| 338 | case ICP_QAT_HW_AUTH_ALGO_SHA512: |
| 339 | hash_cd_ctrl->inner_state1_sz = ICP_QAT_HW_SHA512_STATE1_SZ; |
| 340 | hash_cd_ctrl->inner_state2_sz = ICP_QAT_HW_SHA512_STATE2_SZ; |
| 341 | break; |
| 342 | default: |
| 343 | break; |
| 344 | } |
| 345 | hash_cd_ctrl->inner_state2_offset = hash_cd_ctrl->hash_cfg_offset + |
| 346 | ((sizeof(struct icp_qat_hw_auth_setup) + |
| 347 | round_up(hash_cd_ctrl->inner_state1_sz, 8)) >> 3); |
Tadeusz Struk | d370cec | 2014-06-05 13:43:32 -0700 | [diff] [blame] | 348 | ICP_QAT_FW_COMN_CURR_ID_SET(hash_cd_ctrl, ICP_QAT_FW_SLICE_AUTH); |
| 349 | ICP_QAT_FW_COMN_NEXT_ID_SET(hash_cd_ctrl, ICP_QAT_FW_SLICE_DRAM_WR); |
| 350 | return 0; |
| 351 | } |
| 352 | |
Herbert Xu | e19ab121 | 2015-07-30 17:53:20 +0800 | [diff] [blame] | 353 | static int qat_alg_aead_init_dec_session(struct crypto_aead *aead_tfm, |
Tadeusz Struk | 338e84f | 2014-12-08 12:08:49 -0800 | [diff] [blame] | 354 | int alg, |
Tadeusz Struk | def14bf | 2015-09-30 05:38:39 -0700 | [diff] [blame] | 355 | struct crypto_authenc_keys *keys, |
| 356 | int mode) |
Tadeusz Struk | d370cec | 2014-06-05 13:43:32 -0700 | [diff] [blame] | 357 | { |
Herbert Xu | e19ab121 | 2015-07-30 17:53:20 +0800 | [diff] [blame] | 358 | struct qat_alg_aead_ctx *ctx = crypto_aead_ctx(aead_tfm); |
Herbert Xu | 0a13941 | 2015-08-13 17:29:04 +0800 | [diff] [blame] | 359 | unsigned int digestsize = crypto_aead_authsize(aead_tfm); |
Tadeusz Struk | d370cec | 2014-06-05 13:43:32 -0700 | [diff] [blame] | 360 | struct qat_dec *dec_ctx = &ctx->dec_cd->qat_dec_cd; |
| 361 | struct icp_qat_hw_auth_algo_blk *hash = &dec_ctx->hash; |
| 362 | struct icp_qat_hw_cipher_algo_blk *cipher = |
| 363 | (struct icp_qat_hw_cipher_algo_blk *)((char *)dec_ctx + |
| 364 | sizeof(struct icp_qat_hw_auth_setup) + |
| 365 | roundup(crypto_shash_digestsize(ctx->hash_tfm), 8) * 2); |
Tadeusz Struk | 338e84f | 2014-12-08 12:08:49 -0800 | [diff] [blame] | 366 | struct icp_qat_fw_la_bulk_req *req_tmpl = &ctx->dec_fw_req; |
Tadeusz Struk | d370cec | 2014-06-05 13:43:32 -0700 | [diff] [blame] | 367 | struct icp_qat_fw_comn_req_hdr_cd_pars *cd_pars = &req_tmpl->cd_pars; |
| 368 | struct icp_qat_fw_comn_req_hdr *header = &req_tmpl->comn_hdr; |
| 369 | void *ptr = &req_tmpl->cd_ctrl; |
| 370 | struct icp_qat_fw_cipher_cd_ctrl_hdr *cipher_cd_ctrl = ptr; |
| 371 | struct icp_qat_fw_auth_cd_ctrl_hdr *hash_cd_ctrl = ptr; |
| 372 | struct icp_qat_fw_la_auth_req_params *auth_param = |
| 373 | (struct icp_qat_fw_la_auth_req_params *) |
| 374 | ((char *)&req_tmpl->serv_specif_rqpars + |
| 375 | sizeof(struct icp_qat_fw_la_cipher_req_params)); |
| 376 | |
| 377 | /* CD setup */ |
Tadeusz Struk | def14bf | 2015-09-30 05:38:39 -0700 | [diff] [blame] | 378 | cipher->aes.cipher_config.val = QAT_AES_HW_CONFIG_DEC(alg, mode); |
Tadeusz Struk | d370cec | 2014-06-05 13:43:32 -0700 | [diff] [blame] | 379 | memcpy(cipher->aes.key, keys->enckey, keys->enckeylen); |
| 380 | hash->sha.inner_setup.auth_config.config = |
| 381 | ICP_QAT_HW_AUTH_CONFIG_BUILD(ICP_QAT_HW_AUTH_MODE1, |
| 382 | ctx->qat_hash_alg, |
| 383 | digestsize); |
| 384 | hash->sha.inner_setup.auth_counter.counter = |
| 385 | cpu_to_be32(crypto_shash_blocksize(ctx->hash_tfm)); |
| 386 | |
Tadeusz Struk | 26c3af6 | 2014-09-10 14:07:36 -0700 | [diff] [blame] | 387 | if (qat_alg_do_precomputes(hash, ctx, keys->authkey, keys->authkeylen)) |
Tadeusz Struk | d370cec | 2014-06-05 13:43:32 -0700 | [diff] [blame] | 388 | return -EFAULT; |
| 389 | |
| 390 | /* Request setup */ |
| 391 | qat_alg_init_common_hdr(header); |
| 392 | header->service_cmd_id = ICP_QAT_FW_LA_CMD_HASH_CIPHER; |
Tadeusz Struk | 338e84f | 2014-12-08 12:08:49 -0800 | [diff] [blame] | 393 | ICP_QAT_FW_LA_DIGEST_IN_BUFFER_SET(header->serv_specif_flags, |
| 394 | ICP_QAT_FW_LA_DIGEST_IN_BUFFER); |
Tadeusz Struk | d370cec | 2014-06-05 13:43:32 -0700 | [diff] [blame] | 395 | ICP_QAT_FW_LA_RET_AUTH_SET(header->serv_specif_flags, |
| 396 | ICP_QAT_FW_LA_NO_RET_AUTH_RES); |
| 397 | ICP_QAT_FW_LA_CMP_AUTH_SET(header->serv_specif_flags, |
| 398 | ICP_QAT_FW_LA_CMP_AUTH_RES); |
| 399 | cd_pars->u.s.content_desc_addr = ctx->dec_cd_paddr; |
| 400 | cd_pars->u.s.content_desc_params_sz = sizeof(struct qat_alg_cd) >> 3; |
| 401 | |
| 402 | /* Cipher CD config setup */ |
| 403 | cipher_cd_ctrl->cipher_key_sz = keys->enckeylen >> 3; |
| 404 | cipher_cd_ctrl->cipher_state_sz = AES_BLOCK_SIZE >> 3; |
| 405 | cipher_cd_ctrl->cipher_cfg_offset = |
| 406 | (sizeof(struct icp_qat_hw_auth_setup) + |
| 407 | roundup(crypto_shash_digestsize(ctx->hash_tfm), 8) * 2) >> 3; |
| 408 | ICP_QAT_FW_COMN_CURR_ID_SET(cipher_cd_ctrl, ICP_QAT_FW_SLICE_CIPHER); |
| 409 | ICP_QAT_FW_COMN_NEXT_ID_SET(cipher_cd_ctrl, ICP_QAT_FW_SLICE_DRAM_WR); |
| 410 | |
| 411 | /* Auth CD config setup */ |
| 412 | hash_cd_ctrl->hash_cfg_offset = 0; |
| 413 | hash_cd_ctrl->hash_flags = ICP_QAT_FW_AUTH_HDR_FLAG_NO_NESTED; |
| 414 | hash_cd_ctrl->inner_res_sz = digestsize; |
| 415 | hash_cd_ctrl->final_sz = digestsize; |
| 416 | |
| 417 | switch (ctx->qat_hash_alg) { |
| 418 | case ICP_QAT_HW_AUTH_ALGO_SHA1: |
| 419 | hash_cd_ctrl->inner_state1_sz = |
| 420 | round_up(ICP_QAT_HW_SHA1_STATE1_SZ, 8); |
| 421 | hash_cd_ctrl->inner_state2_sz = |
| 422 | round_up(ICP_QAT_HW_SHA1_STATE2_SZ, 8); |
| 423 | break; |
| 424 | case ICP_QAT_HW_AUTH_ALGO_SHA256: |
| 425 | hash_cd_ctrl->inner_state1_sz = ICP_QAT_HW_SHA256_STATE1_SZ; |
| 426 | hash_cd_ctrl->inner_state2_sz = ICP_QAT_HW_SHA256_STATE2_SZ; |
| 427 | break; |
| 428 | case ICP_QAT_HW_AUTH_ALGO_SHA512: |
| 429 | hash_cd_ctrl->inner_state1_sz = ICP_QAT_HW_SHA512_STATE1_SZ; |
| 430 | hash_cd_ctrl->inner_state2_sz = ICP_QAT_HW_SHA512_STATE2_SZ; |
| 431 | break; |
| 432 | default: |
| 433 | break; |
| 434 | } |
| 435 | |
| 436 | hash_cd_ctrl->inner_state2_offset = hash_cd_ctrl->hash_cfg_offset + |
| 437 | ((sizeof(struct icp_qat_hw_auth_setup) + |
| 438 | round_up(hash_cd_ctrl->inner_state1_sz, 8)) >> 3); |
Tadeusz Struk | d370cec | 2014-06-05 13:43:32 -0700 | [diff] [blame] | 439 | auth_param->auth_res_sz = digestsize; |
| 440 | ICP_QAT_FW_COMN_CURR_ID_SET(hash_cd_ctrl, ICP_QAT_FW_SLICE_AUTH); |
| 441 | ICP_QAT_FW_COMN_NEXT_ID_SET(hash_cd_ctrl, ICP_QAT_FW_SLICE_CIPHER); |
| 442 | return 0; |
| 443 | } |
| 444 | |
Tadeusz Struk | 338e84f | 2014-12-08 12:08:49 -0800 | [diff] [blame] | 445 | static void qat_alg_ablkcipher_init_com(struct qat_alg_ablkcipher_ctx *ctx, |
| 446 | struct icp_qat_fw_la_bulk_req *req, |
| 447 | struct icp_qat_hw_cipher_algo_blk *cd, |
| 448 | const uint8_t *key, unsigned int keylen) |
| 449 | { |
| 450 | struct icp_qat_fw_comn_req_hdr_cd_pars *cd_pars = &req->cd_pars; |
| 451 | struct icp_qat_fw_comn_req_hdr *header = &req->comn_hdr; |
| 452 | struct icp_qat_fw_cipher_cd_ctrl_hdr *cd_ctrl = (void *)&req->cd_ctrl; |
| 453 | |
| 454 | memcpy(cd->aes.key, key, keylen); |
| 455 | qat_alg_init_common_hdr(header); |
| 456 | header->service_cmd_id = ICP_QAT_FW_LA_CMD_CIPHER; |
| 457 | cd_pars->u.s.content_desc_params_sz = |
| 458 | sizeof(struct icp_qat_hw_cipher_algo_blk) >> 3; |
| 459 | /* Cipher CD config setup */ |
| 460 | cd_ctrl->cipher_key_sz = keylen >> 3; |
| 461 | cd_ctrl->cipher_state_sz = AES_BLOCK_SIZE >> 3; |
| 462 | cd_ctrl->cipher_cfg_offset = 0; |
| 463 | ICP_QAT_FW_COMN_CURR_ID_SET(cd_ctrl, ICP_QAT_FW_SLICE_CIPHER); |
| 464 | ICP_QAT_FW_COMN_NEXT_ID_SET(cd_ctrl, ICP_QAT_FW_SLICE_DRAM_WR); |
| 465 | } |
| 466 | |
| 467 | static void qat_alg_ablkcipher_init_enc(struct qat_alg_ablkcipher_ctx *ctx, |
| 468 | int alg, const uint8_t *key, |
Tadeusz Struk | def14bf | 2015-09-30 05:38:39 -0700 | [diff] [blame] | 469 | unsigned int keylen, int mode) |
Tadeusz Struk | 338e84f | 2014-12-08 12:08:49 -0800 | [diff] [blame] | 470 | { |
| 471 | struct icp_qat_hw_cipher_algo_blk *enc_cd = ctx->enc_cd; |
| 472 | struct icp_qat_fw_la_bulk_req *req = &ctx->enc_fw_req; |
| 473 | struct icp_qat_fw_comn_req_hdr_cd_pars *cd_pars = &req->cd_pars; |
| 474 | |
| 475 | qat_alg_ablkcipher_init_com(ctx, req, enc_cd, key, keylen); |
| 476 | cd_pars->u.s.content_desc_addr = ctx->enc_cd_paddr; |
Tadeusz Struk | def14bf | 2015-09-30 05:38:39 -0700 | [diff] [blame] | 477 | enc_cd->aes.cipher_config.val = QAT_AES_HW_CONFIG_ENC(alg, mode); |
Tadeusz Struk | 338e84f | 2014-12-08 12:08:49 -0800 | [diff] [blame] | 478 | } |
| 479 | |
| 480 | static void qat_alg_ablkcipher_init_dec(struct qat_alg_ablkcipher_ctx *ctx, |
| 481 | int alg, const uint8_t *key, |
Tadeusz Struk | def14bf | 2015-09-30 05:38:39 -0700 | [diff] [blame] | 482 | unsigned int keylen, int mode) |
Tadeusz Struk | 338e84f | 2014-12-08 12:08:49 -0800 | [diff] [blame] | 483 | { |
| 484 | struct icp_qat_hw_cipher_algo_blk *dec_cd = ctx->dec_cd; |
| 485 | struct icp_qat_fw_la_bulk_req *req = &ctx->dec_fw_req; |
| 486 | struct icp_qat_fw_comn_req_hdr_cd_pars *cd_pars = &req->cd_pars; |
| 487 | |
| 488 | qat_alg_ablkcipher_init_com(ctx, req, dec_cd, key, keylen); |
| 489 | cd_pars->u.s.content_desc_addr = ctx->dec_cd_paddr; |
Tadeusz Struk | def14bf | 2015-09-30 05:38:39 -0700 | [diff] [blame] | 490 | |
| 491 | if (mode != ICP_QAT_HW_CIPHER_CTR_MODE) |
| 492 | dec_cd->aes.cipher_config.val = |
| 493 | QAT_AES_HW_CONFIG_DEC(alg, mode); |
| 494 | else |
| 495 | dec_cd->aes.cipher_config.val = |
| 496 | QAT_AES_HW_CONFIG_ENC(alg, mode); |
Tadeusz Struk | 338e84f | 2014-12-08 12:08:49 -0800 | [diff] [blame] | 497 | } |
| 498 | |
Tadeusz Struk | def14bf | 2015-09-30 05:38:39 -0700 | [diff] [blame] | 499 | static int qat_alg_validate_key(int key_len, int *alg, int mode) |
Tadeusz Struk | 338e84f | 2014-12-08 12:08:49 -0800 | [diff] [blame] | 500 | { |
Tadeusz Struk | def14bf | 2015-09-30 05:38:39 -0700 | [diff] [blame] | 501 | if (mode != ICP_QAT_HW_CIPHER_XTS_MODE) { |
| 502 | switch (key_len) { |
| 503 | case AES_KEYSIZE_128: |
| 504 | *alg = ICP_QAT_HW_CIPHER_ALGO_AES128; |
| 505 | break; |
| 506 | case AES_KEYSIZE_192: |
| 507 | *alg = ICP_QAT_HW_CIPHER_ALGO_AES192; |
| 508 | break; |
| 509 | case AES_KEYSIZE_256: |
| 510 | *alg = ICP_QAT_HW_CIPHER_ALGO_AES256; |
| 511 | break; |
| 512 | default: |
| 513 | return -EINVAL; |
| 514 | } |
| 515 | } else { |
| 516 | switch (key_len) { |
| 517 | case AES_KEYSIZE_128 << 1: |
| 518 | *alg = ICP_QAT_HW_CIPHER_ALGO_AES128; |
| 519 | break; |
| 520 | case AES_KEYSIZE_256 << 1: |
| 521 | *alg = ICP_QAT_HW_CIPHER_ALGO_AES256; |
| 522 | break; |
| 523 | default: |
| 524 | return -EINVAL; |
| 525 | } |
Tadeusz Struk | 338e84f | 2014-12-08 12:08:49 -0800 | [diff] [blame] | 526 | } |
| 527 | return 0; |
| 528 | } |
| 529 | |
Tadeusz Struk | def14bf | 2015-09-30 05:38:39 -0700 | [diff] [blame] | 530 | static int qat_alg_aead_init_sessions(struct crypto_aead *tfm, const u8 *key, |
| 531 | unsigned int keylen, int mode) |
Tadeusz Struk | d370cec | 2014-06-05 13:43:32 -0700 | [diff] [blame] | 532 | { |
| 533 | struct crypto_authenc_keys keys; |
| 534 | int alg; |
| 535 | |
Tadeusz Struk | d370cec | 2014-06-05 13:43:32 -0700 | [diff] [blame] | 536 | if (crypto_authenc_extractkeys(&keys, key, keylen)) |
| 537 | goto bad_key; |
| 538 | |
Tadeusz Struk | def14bf | 2015-09-30 05:38:39 -0700 | [diff] [blame] | 539 | if (qat_alg_validate_key(keys.enckeylen, &alg, mode)) |
Tadeusz Struk | d370cec | 2014-06-05 13:43:32 -0700 | [diff] [blame] | 540 | goto bad_key; |
Tadeusz Struk | d370cec | 2014-06-05 13:43:32 -0700 | [diff] [blame] | 541 | |
Tadeusz Struk | def14bf | 2015-09-30 05:38:39 -0700 | [diff] [blame] | 542 | if (qat_alg_aead_init_enc_session(tfm, alg, &keys, mode)) |
Tadeusz Struk | d370cec | 2014-06-05 13:43:32 -0700 | [diff] [blame] | 543 | goto error; |
| 544 | |
Tadeusz Struk | def14bf | 2015-09-30 05:38:39 -0700 | [diff] [blame] | 545 | if (qat_alg_aead_init_dec_session(tfm, alg, &keys, mode)) |
Tadeusz Struk | d370cec | 2014-06-05 13:43:32 -0700 | [diff] [blame] | 546 | goto error; |
| 547 | |
| 548 | return 0; |
| 549 | bad_key: |
Herbert Xu | e19ab121 | 2015-07-30 17:53:20 +0800 | [diff] [blame] | 550 | crypto_aead_set_flags(tfm, CRYPTO_TFM_RES_BAD_KEY_LEN); |
Tadeusz Struk | d370cec | 2014-06-05 13:43:32 -0700 | [diff] [blame] | 551 | return -EINVAL; |
| 552 | error: |
| 553 | return -EFAULT; |
| 554 | } |
| 555 | |
Tadeusz Struk | 338e84f | 2014-12-08 12:08:49 -0800 | [diff] [blame] | 556 | static int qat_alg_ablkcipher_init_sessions(struct qat_alg_ablkcipher_ctx *ctx, |
| 557 | const uint8_t *key, |
Tadeusz Struk | def14bf | 2015-09-30 05:38:39 -0700 | [diff] [blame] | 558 | unsigned int keylen, |
| 559 | int mode) |
Tadeusz Struk | d370cec | 2014-06-05 13:43:32 -0700 | [diff] [blame] | 560 | { |
Tadeusz Struk | 338e84f | 2014-12-08 12:08:49 -0800 | [diff] [blame] | 561 | int alg; |
| 562 | |
Tadeusz Struk | def14bf | 2015-09-30 05:38:39 -0700 | [diff] [blame] | 563 | if (qat_alg_validate_key(keylen, &alg, mode)) |
Tadeusz Struk | 338e84f | 2014-12-08 12:08:49 -0800 | [diff] [blame] | 564 | goto bad_key; |
| 565 | |
Tadeusz Struk | def14bf | 2015-09-30 05:38:39 -0700 | [diff] [blame] | 566 | qat_alg_ablkcipher_init_enc(ctx, alg, key, keylen, mode); |
| 567 | qat_alg_ablkcipher_init_dec(ctx, alg, key, keylen, mode); |
Tadeusz Struk | 338e84f | 2014-12-08 12:08:49 -0800 | [diff] [blame] | 568 | return 0; |
| 569 | bad_key: |
| 570 | crypto_tfm_set_flags(ctx->tfm, CRYPTO_TFM_RES_BAD_KEY_LEN); |
| 571 | return -EINVAL; |
| 572 | } |
| 573 | |
| 574 | static int qat_alg_aead_setkey(struct crypto_aead *tfm, const uint8_t *key, |
| 575 | unsigned int keylen) |
| 576 | { |
| 577 | struct qat_alg_aead_ctx *ctx = crypto_aead_ctx(tfm); |
Tadeusz Struk | d370cec | 2014-06-05 13:43:32 -0700 | [diff] [blame] | 578 | struct device *dev; |
| 579 | |
Tadeusz Struk | d370cec | 2014-06-05 13:43:32 -0700 | [diff] [blame] | 580 | if (ctx->enc_cd) { |
| 581 | /* rekeying */ |
| 582 | dev = &GET_DEV(ctx->inst->accel_dev); |
Herbert Xu | ad511e2 | 2015-01-06 07:54:41 +1100 | [diff] [blame] | 583 | memset(ctx->enc_cd, 0, sizeof(*ctx->enc_cd)); |
| 584 | memset(ctx->dec_cd, 0, sizeof(*ctx->dec_cd)); |
| 585 | memset(&ctx->enc_fw_req, 0, sizeof(ctx->enc_fw_req)); |
| 586 | memset(&ctx->dec_fw_req, 0, sizeof(ctx->dec_fw_req)); |
Tadeusz Struk | d370cec | 2014-06-05 13:43:32 -0700 | [diff] [blame] | 587 | } else { |
| 588 | /* new key */ |
| 589 | int node = get_current_node(); |
| 590 | struct qat_crypto_instance *inst = |
| 591 | qat_crypto_get_instance_node(node); |
| 592 | if (!inst) { |
Tadeusz Struk | d370cec | 2014-06-05 13:43:32 -0700 | [diff] [blame] | 593 | return -EINVAL; |
| 594 | } |
| 595 | |
| 596 | dev = &GET_DEV(inst->accel_dev); |
| 597 | ctx->inst = inst; |
Tadeusz Struk | 338e84f | 2014-12-08 12:08:49 -0800 | [diff] [blame] | 598 | ctx->enc_cd = dma_zalloc_coherent(dev, sizeof(*ctx->enc_cd), |
Tadeusz Struk | d370cec | 2014-06-05 13:43:32 -0700 | [diff] [blame] | 599 | &ctx->enc_cd_paddr, |
| 600 | GFP_ATOMIC); |
| 601 | if (!ctx->enc_cd) { |
Tadeusz Struk | d370cec | 2014-06-05 13:43:32 -0700 | [diff] [blame] | 602 | return -ENOMEM; |
| 603 | } |
Tadeusz Struk | 338e84f | 2014-12-08 12:08:49 -0800 | [diff] [blame] | 604 | ctx->dec_cd = dma_zalloc_coherent(dev, sizeof(*ctx->dec_cd), |
Tadeusz Struk | d370cec | 2014-06-05 13:43:32 -0700 | [diff] [blame] | 605 | &ctx->dec_cd_paddr, |
| 606 | GFP_ATOMIC); |
| 607 | if (!ctx->dec_cd) { |
Tadeusz Struk | d370cec | 2014-06-05 13:43:32 -0700 | [diff] [blame] | 608 | goto out_free_enc; |
| 609 | } |
Tadeusz Struk | d370cec | 2014-06-05 13:43:32 -0700 | [diff] [blame] | 610 | } |
Tadeusz Struk | def14bf | 2015-09-30 05:38:39 -0700 | [diff] [blame] | 611 | if (qat_alg_aead_init_sessions(tfm, key, keylen, |
| 612 | ICP_QAT_HW_CIPHER_CBC_MODE)) |
Tadeusz Struk | d370cec | 2014-06-05 13:43:32 -0700 | [diff] [blame] | 613 | goto out_free_all; |
| 614 | |
| 615 | return 0; |
| 616 | |
| 617 | out_free_all: |
Herbert Xu | ad511e2 | 2015-01-06 07:54:41 +1100 | [diff] [blame] | 618 | memset(ctx->dec_cd, 0, sizeof(struct qat_alg_cd)); |
Tadeusz Struk | d370cec | 2014-06-05 13:43:32 -0700 | [diff] [blame] | 619 | dma_free_coherent(dev, sizeof(struct qat_alg_cd), |
| 620 | ctx->dec_cd, ctx->dec_cd_paddr); |
| 621 | ctx->dec_cd = NULL; |
| 622 | out_free_enc: |
Herbert Xu | ad511e2 | 2015-01-06 07:54:41 +1100 | [diff] [blame] | 623 | memset(ctx->enc_cd, 0, sizeof(struct qat_alg_cd)); |
Tadeusz Struk | d370cec | 2014-06-05 13:43:32 -0700 | [diff] [blame] | 624 | dma_free_coherent(dev, sizeof(struct qat_alg_cd), |
| 625 | ctx->enc_cd, ctx->enc_cd_paddr); |
| 626 | ctx->enc_cd = NULL; |
| 627 | return -ENOMEM; |
| 628 | } |
| 629 | |
| 630 | static void qat_alg_free_bufl(struct qat_crypto_instance *inst, |
| 631 | struct qat_crypto_request *qat_req) |
| 632 | { |
| 633 | struct device *dev = &GET_DEV(inst->accel_dev); |
| 634 | struct qat_alg_buf_list *bl = qat_req->buf.bl; |
| 635 | struct qat_alg_buf_list *blout = qat_req->buf.blout; |
| 636 | dma_addr_t blp = qat_req->buf.blp; |
| 637 | dma_addr_t blpout = qat_req->buf.bloutp; |
| 638 | size_t sz = qat_req->buf.sz; |
Tadeusz Struk | 82f8250 | 2014-12-08 12:05:42 -0800 | [diff] [blame] | 639 | size_t sz_out = qat_req->buf.sz_out; |
| 640 | int i; |
Tadeusz Struk | d370cec | 2014-06-05 13:43:32 -0700 | [diff] [blame] | 641 | |
| 642 | for (i = 0; i < bl->num_bufs; i++) |
| 643 | dma_unmap_single(dev, bl->bufers[i].addr, |
| 644 | bl->bufers[i].len, DMA_BIDIRECTIONAL); |
| 645 | |
| 646 | dma_unmap_single(dev, blp, sz, DMA_TO_DEVICE); |
| 647 | kfree(bl); |
| 648 | if (blp != blpout) { |
| 649 | /* If out of place operation dma unmap only data */ |
Tadeusz Struk | 82f8250 | 2014-12-08 12:05:42 -0800 | [diff] [blame] | 650 | int bufless = blout->num_bufs - blout->num_mapped_bufs; |
Tadeusz Struk | d65071e | 2014-06-24 15:19:34 -0700 | [diff] [blame] | 651 | |
Tadeusz Struk | 82f8250 | 2014-12-08 12:05:42 -0800 | [diff] [blame] | 652 | for (i = bufless; i < blout->num_bufs; i++) { |
Tadeusz Struk | d370cec | 2014-06-05 13:43:32 -0700 | [diff] [blame] | 653 | dma_unmap_single(dev, blout->bufers[i].addr, |
| 654 | blout->bufers[i].len, |
| 655 | DMA_BIDIRECTIONAL); |
| 656 | } |
Tadeusz Struk | 82f8250 | 2014-12-08 12:05:42 -0800 | [diff] [blame] | 657 | dma_unmap_single(dev, blpout, sz_out, DMA_TO_DEVICE); |
Tadeusz Struk | d370cec | 2014-06-05 13:43:32 -0700 | [diff] [blame] | 658 | kfree(blout); |
| 659 | } |
| 660 | } |
| 661 | |
| 662 | static int qat_alg_sgl_to_bufl(struct qat_crypto_instance *inst, |
Tadeusz Struk | d370cec | 2014-06-05 13:43:32 -0700 | [diff] [blame] | 663 | struct scatterlist *sgl, |
Herbert Xu | e19ab121 | 2015-07-30 17:53:20 +0800 | [diff] [blame] | 664 | struct scatterlist *sglout, |
Tadeusz Struk | d370cec | 2014-06-05 13:43:32 -0700 | [diff] [blame] | 665 | struct qat_crypto_request *qat_req) |
| 666 | { |
| 667 | struct device *dev = &GET_DEV(inst->accel_dev); |
Herbert Xu | e19ab121 | 2015-07-30 17:53:20 +0800 | [diff] [blame] | 668 | int i, sg_nctr = 0; |
| 669 | int n = sg_nents(sgl); |
Tadeusz Struk | d370cec | 2014-06-05 13:43:32 -0700 | [diff] [blame] | 670 | struct qat_alg_buf_list *bufl; |
| 671 | struct qat_alg_buf_list *buflout = NULL; |
| 672 | dma_addr_t blp; |
| 673 | dma_addr_t bloutp = 0; |
| 674 | struct scatterlist *sg; |
Tadeusz Struk | 82f8250 | 2014-12-08 12:05:42 -0800 | [diff] [blame] | 675 | size_t sz_out, sz = sizeof(struct qat_alg_buf_list) + |
Herbert Xu | e19ab121 | 2015-07-30 17:53:20 +0800 | [diff] [blame] | 676 | ((1 + n) * sizeof(struct qat_alg_buf)); |
Tadeusz Struk | d370cec | 2014-06-05 13:43:32 -0700 | [diff] [blame] | 677 | |
| 678 | if (unlikely(!n)) |
| 679 | return -EINVAL; |
| 680 | |
Tadeusz Struk | 82f8250 | 2014-12-08 12:05:42 -0800 | [diff] [blame] | 681 | bufl = kzalloc_node(sz, GFP_ATOMIC, |
Tadeusz Struk | 09adc87 | 2014-10-13 18:24:32 -0700 | [diff] [blame] | 682 | dev_to_node(&GET_DEV(inst->accel_dev))); |
Tadeusz Struk | d370cec | 2014-06-05 13:43:32 -0700 | [diff] [blame] | 683 | if (unlikely(!bufl)) |
| 684 | return -ENOMEM; |
| 685 | |
| 686 | blp = dma_map_single(dev, bufl, sz, DMA_TO_DEVICE); |
| 687 | if (unlikely(dma_mapping_error(dev, blp))) |
| 688 | goto err; |
| 689 | |
Tadeusz Struk | d370cec | 2014-06-05 13:43:32 -0700 | [diff] [blame] | 690 | for_each_sg(sgl, sg, n, i) { |
Herbert Xu | e19ab121 | 2015-07-30 17:53:20 +0800 | [diff] [blame] | 691 | int y = sg_nctr; |
Tadeusz Struk | 82f8250 | 2014-12-08 12:05:42 -0800 | [diff] [blame] | 692 | |
| 693 | if (!sg->length) |
| 694 | continue; |
Tadeusz Struk | d65071e | 2014-06-24 15:19:34 -0700 | [diff] [blame] | 695 | |
Tadeusz Struk | d370cec | 2014-06-05 13:43:32 -0700 | [diff] [blame] | 696 | bufl->bufers[y].addr = dma_map_single(dev, sg_virt(sg), |
| 697 | sg->length, |
| 698 | DMA_BIDIRECTIONAL); |
| 699 | bufl->bufers[y].len = sg->length; |
| 700 | if (unlikely(dma_mapping_error(dev, bufl->bufers[y].addr))) |
| 701 | goto err; |
Tadeusz Struk | 82f8250 | 2014-12-08 12:05:42 -0800 | [diff] [blame] | 702 | sg_nctr++; |
Tadeusz Struk | d370cec | 2014-06-05 13:43:32 -0700 | [diff] [blame] | 703 | } |
Herbert Xu | e19ab121 | 2015-07-30 17:53:20 +0800 | [diff] [blame] | 704 | bufl->num_bufs = sg_nctr; |
Tadeusz Struk | d370cec | 2014-06-05 13:43:32 -0700 | [diff] [blame] | 705 | qat_req->buf.bl = bufl; |
| 706 | qat_req->buf.blp = blp; |
| 707 | qat_req->buf.sz = sz; |
| 708 | /* Handle out of place operation */ |
| 709 | if (sgl != sglout) { |
| 710 | struct qat_alg_buf *bufers; |
| 711 | |
Tadeusz Struk | 82f8250 | 2014-12-08 12:05:42 -0800 | [diff] [blame] | 712 | n = sg_nents(sglout); |
| 713 | sz_out = sizeof(struct qat_alg_buf_list) + |
Herbert Xu | e19ab121 | 2015-07-30 17:53:20 +0800 | [diff] [blame] | 714 | ((1 + n) * sizeof(struct qat_alg_buf)); |
Tadeusz Struk | 82f8250 | 2014-12-08 12:05:42 -0800 | [diff] [blame] | 715 | sg_nctr = 0; |
| 716 | buflout = kzalloc_node(sz_out, GFP_ATOMIC, |
Tadeusz Struk | 09adc87 | 2014-10-13 18:24:32 -0700 | [diff] [blame] | 717 | dev_to_node(&GET_DEV(inst->accel_dev))); |
Tadeusz Struk | d370cec | 2014-06-05 13:43:32 -0700 | [diff] [blame] | 718 | if (unlikely(!buflout)) |
| 719 | goto err; |
Tadeusz Struk | 82f8250 | 2014-12-08 12:05:42 -0800 | [diff] [blame] | 720 | bloutp = dma_map_single(dev, buflout, sz_out, DMA_TO_DEVICE); |
Tadeusz Struk | d370cec | 2014-06-05 13:43:32 -0700 | [diff] [blame] | 721 | if (unlikely(dma_mapping_error(dev, bloutp))) |
| 722 | goto err; |
| 723 | bufers = buflout->bufers; |
Tadeusz Struk | d370cec | 2014-06-05 13:43:32 -0700 | [diff] [blame] | 724 | for_each_sg(sglout, sg, n, i) { |
Herbert Xu | e19ab121 | 2015-07-30 17:53:20 +0800 | [diff] [blame] | 725 | int y = sg_nctr; |
Tadeusz Struk | 82f8250 | 2014-12-08 12:05:42 -0800 | [diff] [blame] | 726 | |
| 727 | if (!sg->length) |
| 728 | continue; |
Tadeusz Struk | d65071e | 2014-06-24 15:19:34 -0700 | [diff] [blame] | 729 | |
Tadeusz Struk | d370cec | 2014-06-05 13:43:32 -0700 | [diff] [blame] | 730 | bufers[y].addr = dma_map_single(dev, sg_virt(sg), |
| 731 | sg->length, |
| 732 | DMA_BIDIRECTIONAL); |
Tadeusz Struk | d370cec | 2014-06-05 13:43:32 -0700 | [diff] [blame] | 733 | if (unlikely(dma_mapping_error(dev, bufers[y].addr))) |
| 734 | goto err; |
Tadeusz Struk | 82f8250 | 2014-12-08 12:05:42 -0800 | [diff] [blame] | 735 | bufers[y].len = sg->length; |
| 736 | sg_nctr++; |
Tadeusz Struk | d370cec | 2014-06-05 13:43:32 -0700 | [diff] [blame] | 737 | } |
Herbert Xu | e19ab121 | 2015-07-30 17:53:20 +0800 | [diff] [blame] | 738 | buflout->num_bufs = sg_nctr; |
Tadeusz Struk | 82f8250 | 2014-12-08 12:05:42 -0800 | [diff] [blame] | 739 | buflout->num_mapped_bufs = sg_nctr; |
Tadeusz Struk | d370cec | 2014-06-05 13:43:32 -0700 | [diff] [blame] | 740 | qat_req->buf.blout = buflout; |
| 741 | qat_req->buf.bloutp = bloutp; |
Tadeusz Struk | 82f8250 | 2014-12-08 12:05:42 -0800 | [diff] [blame] | 742 | qat_req->buf.sz_out = sz_out; |
Tadeusz Struk | d370cec | 2014-06-05 13:43:32 -0700 | [diff] [blame] | 743 | } else { |
| 744 | /* Otherwise set the src and dst to the same address */ |
| 745 | qat_req->buf.bloutp = qat_req->buf.blp; |
Tadeusz Struk | 82f8250 | 2014-12-08 12:05:42 -0800 | [diff] [blame] | 746 | qat_req->buf.sz_out = 0; |
Tadeusz Struk | d370cec | 2014-06-05 13:43:32 -0700 | [diff] [blame] | 747 | } |
| 748 | return 0; |
| 749 | err: |
| 750 | dev_err(dev, "Failed to map buf for dma\n"); |
Tadeusz Struk | 82f8250 | 2014-12-08 12:05:42 -0800 | [diff] [blame] | 751 | sg_nctr = 0; |
Herbert Xu | e19ab121 | 2015-07-30 17:53:20 +0800 | [diff] [blame] | 752 | for (i = 0; i < n; i++) |
Tadeusz Struk | 82f8250 | 2014-12-08 12:05:42 -0800 | [diff] [blame] | 753 | if (!dma_mapping_error(dev, bufl->bufers[i].addr)) |
Tadeusz Struk | d370cec | 2014-06-05 13:43:32 -0700 | [diff] [blame] | 754 | dma_unmap_single(dev, bufl->bufers[i].addr, |
| 755 | bufl->bufers[i].len, |
| 756 | DMA_BIDIRECTIONAL); |
Tadeusz Struk | 82f8250 | 2014-12-08 12:05:42 -0800 | [diff] [blame] | 757 | |
Tadeusz Struk | d370cec | 2014-06-05 13:43:32 -0700 | [diff] [blame] | 758 | if (!dma_mapping_error(dev, blp)) |
| 759 | dma_unmap_single(dev, blp, sz, DMA_TO_DEVICE); |
| 760 | kfree(bufl); |
| 761 | if (sgl != sglout && buflout) { |
Tadeusz Struk | 82f8250 | 2014-12-08 12:05:42 -0800 | [diff] [blame] | 762 | n = sg_nents(sglout); |
Herbert Xu | e19ab121 | 2015-07-30 17:53:20 +0800 | [diff] [blame] | 763 | for (i = 0; i < n; i++) |
Tadeusz Struk | 82f8250 | 2014-12-08 12:05:42 -0800 | [diff] [blame] | 764 | if (!dma_mapping_error(dev, buflout->bufers[i].addr)) |
| 765 | dma_unmap_single(dev, buflout->bufers[i].addr, |
| 766 | buflout->bufers[i].len, |
Tadeusz Struk | d370cec | 2014-06-05 13:43:32 -0700 | [diff] [blame] | 767 | DMA_BIDIRECTIONAL); |
Tadeusz Struk | d370cec | 2014-06-05 13:43:32 -0700 | [diff] [blame] | 768 | if (!dma_mapping_error(dev, bloutp)) |
Tadeusz Struk | 82f8250 | 2014-12-08 12:05:42 -0800 | [diff] [blame] | 769 | dma_unmap_single(dev, bloutp, sz_out, DMA_TO_DEVICE); |
Tadeusz Struk | d370cec | 2014-06-05 13:43:32 -0700 | [diff] [blame] | 770 | kfree(buflout); |
| 771 | } |
| 772 | return -ENOMEM; |
| 773 | } |
| 774 | |
Tadeusz Struk | 338e84f | 2014-12-08 12:08:49 -0800 | [diff] [blame] | 775 | static void qat_aead_alg_callback(struct icp_qat_fw_la_resp *qat_resp, |
| 776 | struct qat_crypto_request *qat_req) |
Tadeusz Struk | d370cec | 2014-06-05 13:43:32 -0700 | [diff] [blame] | 777 | { |
Tadeusz Struk | 338e84f | 2014-12-08 12:08:49 -0800 | [diff] [blame] | 778 | struct qat_alg_aead_ctx *ctx = qat_req->aead_ctx; |
Tadeusz Struk | d370cec | 2014-06-05 13:43:32 -0700 | [diff] [blame] | 779 | struct qat_crypto_instance *inst = ctx->inst; |
Tadeusz Struk | 338e84f | 2014-12-08 12:08:49 -0800 | [diff] [blame] | 780 | struct aead_request *areq = qat_req->aead_req; |
Tadeusz Struk | d370cec | 2014-06-05 13:43:32 -0700 | [diff] [blame] | 781 | uint8_t stat_filed = qat_resp->comn_resp.comn_status; |
| 782 | int res = 0, qat_res = ICP_QAT_FW_COMN_RESP_CRYPTO_STAT_GET(stat_filed); |
| 783 | |
| 784 | qat_alg_free_bufl(inst, qat_req); |
| 785 | if (unlikely(qat_res != ICP_QAT_FW_COMN_STATUS_FLAG_OK)) |
| 786 | res = -EBADMSG; |
Tadeusz Struk | 45cff26 | 2014-07-25 15:55:26 -0700 | [diff] [blame] | 787 | areq->base.complete(&areq->base, res); |
Tadeusz Struk | d370cec | 2014-06-05 13:43:32 -0700 | [diff] [blame] | 788 | } |
| 789 | |
Tadeusz Struk | 338e84f | 2014-12-08 12:08:49 -0800 | [diff] [blame] | 790 | static void qat_ablkcipher_alg_callback(struct icp_qat_fw_la_resp *qat_resp, |
| 791 | struct qat_crypto_request *qat_req) |
| 792 | { |
| 793 | struct qat_alg_ablkcipher_ctx *ctx = qat_req->ablkcipher_ctx; |
| 794 | struct qat_crypto_instance *inst = ctx->inst; |
| 795 | struct ablkcipher_request *areq = qat_req->ablkcipher_req; |
| 796 | uint8_t stat_filed = qat_resp->comn_resp.comn_status; |
| 797 | int res = 0, qat_res = ICP_QAT_FW_COMN_RESP_CRYPTO_STAT_GET(stat_filed); |
| 798 | |
| 799 | qat_alg_free_bufl(inst, qat_req); |
| 800 | if (unlikely(qat_res != ICP_QAT_FW_COMN_STATUS_FLAG_OK)) |
| 801 | res = -EINVAL; |
| 802 | areq->base.complete(&areq->base, res); |
| 803 | } |
| 804 | |
| 805 | void qat_alg_callback(void *resp) |
| 806 | { |
| 807 | struct icp_qat_fw_la_resp *qat_resp = resp; |
| 808 | struct qat_crypto_request *qat_req = |
| 809 | (void *)(__force long)qat_resp->opaque_data; |
| 810 | |
| 811 | qat_req->cb(qat_resp, qat_req); |
| 812 | } |
| 813 | |
| 814 | static int qat_alg_aead_dec(struct aead_request *areq) |
Tadeusz Struk | d370cec | 2014-06-05 13:43:32 -0700 | [diff] [blame] | 815 | { |
| 816 | struct crypto_aead *aead_tfm = crypto_aead_reqtfm(areq); |
| 817 | struct crypto_tfm *tfm = crypto_aead_tfm(aead_tfm); |
Tadeusz Struk | 338e84f | 2014-12-08 12:08:49 -0800 | [diff] [blame] | 818 | struct qat_alg_aead_ctx *ctx = crypto_tfm_ctx(tfm); |
Tadeusz Struk | d370cec | 2014-06-05 13:43:32 -0700 | [diff] [blame] | 819 | struct qat_crypto_request *qat_req = aead_request_ctx(areq); |
| 820 | struct icp_qat_fw_la_cipher_req_params *cipher_param; |
| 821 | struct icp_qat_fw_la_auth_req_params *auth_param; |
| 822 | struct icp_qat_fw_la_bulk_req *msg; |
Herbert Xu | 0a13941 | 2015-08-13 17:29:04 +0800 | [diff] [blame] | 823 | int digst_size = crypto_aead_authsize(aead_tfm); |
Tadeusz Struk | d370cec | 2014-06-05 13:43:32 -0700 | [diff] [blame] | 824 | int ret, ctr = 0; |
| 825 | |
Herbert Xu | e19ab121 | 2015-07-30 17:53:20 +0800 | [diff] [blame] | 826 | ret = qat_alg_sgl_to_bufl(ctx->inst, areq->src, areq->dst, qat_req); |
Tadeusz Struk | d370cec | 2014-06-05 13:43:32 -0700 | [diff] [blame] | 827 | if (unlikely(ret)) |
| 828 | return ret; |
| 829 | |
| 830 | msg = &qat_req->req; |
Tadeusz Struk | 338e84f | 2014-12-08 12:08:49 -0800 | [diff] [blame] | 831 | *msg = ctx->dec_fw_req; |
| 832 | qat_req->aead_ctx = ctx; |
| 833 | qat_req->aead_req = areq; |
| 834 | qat_req->cb = qat_aead_alg_callback; |
Tadeusz Struk | bce3cc6 | 2014-06-24 15:19:24 -0700 | [diff] [blame] | 835 | qat_req->req.comn_mid.opaque_data = (uint64_t)(__force long)qat_req; |
Tadeusz Struk | d370cec | 2014-06-05 13:43:32 -0700 | [diff] [blame] | 836 | qat_req->req.comn_mid.src_data_addr = qat_req->buf.blp; |
| 837 | qat_req->req.comn_mid.dest_data_addr = qat_req->buf.bloutp; |
| 838 | cipher_param = (void *)&qat_req->req.serv_specif_rqpars; |
| 839 | cipher_param->cipher_length = areq->cryptlen - digst_size; |
Herbert Xu | e19ab121 | 2015-07-30 17:53:20 +0800 | [diff] [blame] | 840 | cipher_param->cipher_offset = areq->assoclen; |
Tadeusz Struk | d370cec | 2014-06-05 13:43:32 -0700 | [diff] [blame] | 841 | memcpy(cipher_param->u.cipher_IV_array, areq->iv, AES_BLOCK_SIZE); |
| 842 | auth_param = (void *)((uint8_t *)cipher_param + sizeof(*cipher_param)); |
| 843 | auth_param->auth_off = 0; |
Herbert Xu | e19ab121 | 2015-07-30 17:53:20 +0800 | [diff] [blame] | 844 | auth_param->auth_len = areq->assoclen + cipher_param->cipher_length; |
Tadeusz Struk | d370cec | 2014-06-05 13:43:32 -0700 | [diff] [blame] | 845 | do { |
| 846 | ret = adf_send_message(ctx->inst->sym_tx, (uint32_t *)msg); |
| 847 | } while (ret == -EAGAIN && ctr++ < 10); |
| 848 | |
| 849 | if (ret == -EAGAIN) { |
| 850 | qat_alg_free_bufl(ctx->inst, qat_req); |
| 851 | return -EBUSY; |
| 852 | } |
| 853 | return -EINPROGRESS; |
| 854 | } |
| 855 | |
Herbert Xu | e19ab121 | 2015-07-30 17:53:20 +0800 | [diff] [blame] | 856 | static int qat_alg_aead_enc(struct aead_request *areq) |
Tadeusz Struk | d370cec | 2014-06-05 13:43:32 -0700 | [diff] [blame] | 857 | { |
| 858 | struct crypto_aead *aead_tfm = crypto_aead_reqtfm(areq); |
| 859 | struct crypto_tfm *tfm = crypto_aead_tfm(aead_tfm); |
Tadeusz Struk | 338e84f | 2014-12-08 12:08:49 -0800 | [diff] [blame] | 860 | struct qat_alg_aead_ctx *ctx = crypto_tfm_ctx(tfm); |
Tadeusz Struk | d370cec | 2014-06-05 13:43:32 -0700 | [diff] [blame] | 861 | struct qat_crypto_request *qat_req = aead_request_ctx(areq); |
| 862 | struct icp_qat_fw_la_cipher_req_params *cipher_param; |
| 863 | struct icp_qat_fw_la_auth_req_params *auth_param; |
| 864 | struct icp_qat_fw_la_bulk_req *msg; |
Herbert Xu | e19ab121 | 2015-07-30 17:53:20 +0800 | [diff] [blame] | 865 | uint8_t *iv = areq->iv; |
Tadeusz Struk | d370cec | 2014-06-05 13:43:32 -0700 | [diff] [blame] | 866 | int ret, ctr = 0; |
| 867 | |
Herbert Xu | e19ab121 | 2015-07-30 17:53:20 +0800 | [diff] [blame] | 868 | ret = qat_alg_sgl_to_bufl(ctx->inst, areq->src, areq->dst, qat_req); |
Tadeusz Struk | d370cec | 2014-06-05 13:43:32 -0700 | [diff] [blame] | 869 | if (unlikely(ret)) |
| 870 | return ret; |
| 871 | |
| 872 | msg = &qat_req->req; |
Tadeusz Struk | 338e84f | 2014-12-08 12:08:49 -0800 | [diff] [blame] | 873 | *msg = ctx->enc_fw_req; |
| 874 | qat_req->aead_ctx = ctx; |
| 875 | qat_req->aead_req = areq; |
| 876 | qat_req->cb = qat_aead_alg_callback; |
Tadeusz Struk | bce3cc6 | 2014-06-24 15:19:24 -0700 | [diff] [blame] | 877 | qat_req->req.comn_mid.opaque_data = (uint64_t)(__force long)qat_req; |
Tadeusz Struk | d370cec | 2014-06-05 13:43:32 -0700 | [diff] [blame] | 878 | qat_req->req.comn_mid.src_data_addr = qat_req->buf.blp; |
| 879 | qat_req->req.comn_mid.dest_data_addr = qat_req->buf.bloutp; |
| 880 | cipher_param = (void *)&qat_req->req.serv_specif_rqpars; |
| 881 | auth_param = (void *)((uint8_t *)cipher_param + sizeof(*cipher_param)); |
| 882 | |
Herbert Xu | e19ab121 | 2015-07-30 17:53:20 +0800 | [diff] [blame] | 883 | memcpy(cipher_param->u.cipher_IV_array, iv, AES_BLOCK_SIZE); |
| 884 | cipher_param->cipher_length = areq->cryptlen; |
| 885 | cipher_param->cipher_offset = areq->assoclen; |
| 886 | |
Tadeusz Struk | d370cec | 2014-06-05 13:43:32 -0700 | [diff] [blame] | 887 | auth_param->auth_off = 0; |
Herbert Xu | e19ab121 | 2015-07-30 17:53:20 +0800 | [diff] [blame] | 888 | auth_param->auth_len = areq->assoclen + areq->cryptlen; |
Tadeusz Struk | d370cec | 2014-06-05 13:43:32 -0700 | [diff] [blame] | 889 | |
| 890 | do { |
| 891 | ret = adf_send_message(ctx->inst->sym_tx, (uint32_t *)msg); |
| 892 | } while (ret == -EAGAIN && ctr++ < 10); |
| 893 | |
| 894 | if (ret == -EAGAIN) { |
| 895 | qat_alg_free_bufl(ctx->inst, qat_req); |
| 896 | return -EBUSY; |
| 897 | } |
| 898 | return -EINPROGRESS; |
| 899 | } |
| 900 | |
Tadeusz Struk | 338e84f | 2014-12-08 12:08:49 -0800 | [diff] [blame] | 901 | static int qat_alg_ablkcipher_setkey(struct crypto_ablkcipher *tfm, |
Tadeusz Struk | def14bf | 2015-09-30 05:38:39 -0700 | [diff] [blame] | 902 | const u8 *key, unsigned int keylen, |
| 903 | int mode) |
Tadeusz Struk | d370cec | 2014-06-05 13:43:32 -0700 | [diff] [blame] | 904 | { |
Tadeusz Struk | 338e84f | 2014-12-08 12:08:49 -0800 | [diff] [blame] | 905 | struct qat_alg_ablkcipher_ctx *ctx = crypto_ablkcipher_ctx(tfm); |
| 906 | struct device *dev; |
| 907 | |
| 908 | spin_lock(&ctx->lock); |
| 909 | if (ctx->enc_cd) { |
| 910 | /* rekeying */ |
| 911 | dev = &GET_DEV(ctx->inst->accel_dev); |
Herbert Xu | ad511e2 | 2015-01-06 07:54:41 +1100 | [diff] [blame] | 912 | memset(ctx->enc_cd, 0, sizeof(*ctx->enc_cd)); |
| 913 | memset(ctx->dec_cd, 0, sizeof(*ctx->dec_cd)); |
| 914 | memset(&ctx->enc_fw_req, 0, sizeof(ctx->enc_fw_req)); |
| 915 | memset(&ctx->dec_fw_req, 0, sizeof(ctx->dec_fw_req)); |
Tadeusz Struk | 338e84f | 2014-12-08 12:08:49 -0800 | [diff] [blame] | 916 | } else { |
| 917 | /* new key */ |
| 918 | int node = get_current_node(); |
| 919 | struct qat_crypto_instance *inst = |
| 920 | qat_crypto_get_instance_node(node); |
| 921 | if (!inst) { |
| 922 | spin_unlock(&ctx->lock); |
| 923 | return -EINVAL; |
| 924 | } |
| 925 | |
| 926 | dev = &GET_DEV(inst->accel_dev); |
| 927 | ctx->inst = inst; |
| 928 | ctx->enc_cd = dma_zalloc_coherent(dev, sizeof(*ctx->enc_cd), |
| 929 | &ctx->enc_cd_paddr, |
| 930 | GFP_ATOMIC); |
| 931 | if (!ctx->enc_cd) { |
| 932 | spin_unlock(&ctx->lock); |
| 933 | return -ENOMEM; |
| 934 | } |
| 935 | ctx->dec_cd = dma_zalloc_coherent(dev, sizeof(*ctx->dec_cd), |
| 936 | &ctx->dec_cd_paddr, |
| 937 | GFP_ATOMIC); |
| 938 | if (!ctx->dec_cd) { |
| 939 | spin_unlock(&ctx->lock); |
| 940 | goto out_free_enc; |
| 941 | } |
| 942 | } |
| 943 | spin_unlock(&ctx->lock); |
Tadeusz Struk | def14bf | 2015-09-30 05:38:39 -0700 | [diff] [blame] | 944 | if (qat_alg_ablkcipher_init_sessions(ctx, key, keylen, mode)) |
Tadeusz Struk | 338e84f | 2014-12-08 12:08:49 -0800 | [diff] [blame] | 945 | goto out_free_all; |
| 946 | |
| 947 | return 0; |
| 948 | |
| 949 | out_free_all: |
Tadeusz Struk | 21a3d3b | 2016-05-17 10:53:51 -0700 | [diff] [blame^] | 950 | memset(ctx->dec_cd, 0, sizeof(*ctx->dec_cd)); |
| 951 | dma_free_coherent(dev, sizeof(*ctx->dec_cd), |
Tadeusz Struk | 338e84f | 2014-12-08 12:08:49 -0800 | [diff] [blame] | 952 | ctx->dec_cd, ctx->dec_cd_paddr); |
| 953 | ctx->dec_cd = NULL; |
| 954 | out_free_enc: |
Tadeusz Struk | 21a3d3b | 2016-05-17 10:53:51 -0700 | [diff] [blame^] | 955 | memset(ctx->enc_cd, 0, sizeof(*ctx->enc_cd)); |
| 956 | dma_free_coherent(dev, sizeof(*ctx->enc_cd), |
Tadeusz Struk | 338e84f | 2014-12-08 12:08:49 -0800 | [diff] [blame] | 957 | ctx->enc_cd, ctx->enc_cd_paddr); |
| 958 | ctx->enc_cd = NULL; |
| 959 | return -ENOMEM; |
| 960 | } |
| 961 | |
Tadeusz Struk | def14bf | 2015-09-30 05:38:39 -0700 | [diff] [blame] | 962 | static int qat_alg_ablkcipher_cbc_setkey(struct crypto_ablkcipher *tfm, |
| 963 | const u8 *key, unsigned int keylen) |
| 964 | { |
| 965 | return qat_alg_ablkcipher_setkey(tfm, key, keylen, |
| 966 | ICP_QAT_HW_CIPHER_CBC_MODE); |
| 967 | } |
| 968 | |
| 969 | static int qat_alg_ablkcipher_ctr_setkey(struct crypto_ablkcipher *tfm, |
| 970 | const u8 *key, unsigned int keylen) |
| 971 | { |
| 972 | return qat_alg_ablkcipher_setkey(tfm, key, keylen, |
| 973 | ICP_QAT_HW_CIPHER_CTR_MODE); |
| 974 | } |
| 975 | |
| 976 | static int qat_alg_ablkcipher_xts_setkey(struct crypto_ablkcipher *tfm, |
| 977 | const u8 *key, unsigned int keylen) |
| 978 | { |
| 979 | return qat_alg_ablkcipher_setkey(tfm, key, keylen, |
| 980 | ICP_QAT_HW_CIPHER_XTS_MODE); |
| 981 | } |
| 982 | |
Tadeusz Struk | 338e84f | 2014-12-08 12:08:49 -0800 | [diff] [blame] | 983 | static int qat_alg_ablkcipher_encrypt(struct ablkcipher_request *req) |
| 984 | { |
| 985 | struct crypto_ablkcipher *atfm = crypto_ablkcipher_reqtfm(req); |
| 986 | struct crypto_tfm *tfm = crypto_ablkcipher_tfm(atfm); |
| 987 | struct qat_alg_ablkcipher_ctx *ctx = crypto_tfm_ctx(tfm); |
| 988 | struct qat_crypto_request *qat_req = ablkcipher_request_ctx(req); |
| 989 | struct icp_qat_fw_la_cipher_req_params *cipher_param; |
| 990 | struct icp_qat_fw_la_bulk_req *msg; |
| 991 | int ret, ctr = 0; |
| 992 | |
Herbert Xu | e19ab121 | 2015-07-30 17:53:20 +0800 | [diff] [blame] | 993 | ret = qat_alg_sgl_to_bufl(ctx->inst, req->src, req->dst, qat_req); |
Tadeusz Struk | 338e84f | 2014-12-08 12:08:49 -0800 | [diff] [blame] | 994 | if (unlikely(ret)) |
| 995 | return ret; |
| 996 | |
| 997 | msg = &qat_req->req; |
| 998 | *msg = ctx->enc_fw_req; |
| 999 | qat_req->ablkcipher_ctx = ctx; |
| 1000 | qat_req->ablkcipher_req = req; |
| 1001 | qat_req->cb = qat_ablkcipher_alg_callback; |
| 1002 | qat_req->req.comn_mid.opaque_data = (uint64_t)(__force long)qat_req; |
| 1003 | qat_req->req.comn_mid.src_data_addr = qat_req->buf.blp; |
| 1004 | qat_req->req.comn_mid.dest_data_addr = qat_req->buf.bloutp; |
| 1005 | cipher_param = (void *)&qat_req->req.serv_specif_rqpars; |
| 1006 | cipher_param->cipher_length = req->nbytes; |
| 1007 | cipher_param->cipher_offset = 0; |
| 1008 | memcpy(cipher_param->u.cipher_IV_array, req->info, AES_BLOCK_SIZE); |
| 1009 | do { |
| 1010 | ret = adf_send_message(ctx->inst->sym_tx, (uint32_t *)msg); |
| 1011 | } while (ret == -EAGAIN && ctr++ < 10); |
| 1012 | |
| 1013 | if (ret == -EAGAIN) { |
| 1014 | qat_alg_free_bufl(ctx->inst, qat_req); |
| 1015 | return -EBUSY; |
| 1016 | } |
| 1017 | return -EINPROGRESS; |
| 1018 | } |
| 1019 | |
| 1020 | static int qat_alg_ablkcipher_decrypt(struct ablkcipher_request *req) |
| 1021 | { |
| 1022 | struct crypto_ablkcipher *atfm = crypto_ablkcipher_reqtfm(req); |
| 1023 | struct crypto_tfm *tfm = crypto_ablkcipher_tfm(atfm); |
| 1024 | struct qat_alg_ablkcipher_ctx *ctx = crypto_tfm_ctx(tfm); |
| 1025 | struct qat_crypto_request *qat_req = ablkcipher_request_ctx(req); |
| 1026 | struct icp_qat_fw_la_cipher_req_params *cipher_param; |
| 1027 | struct icp_qat_fw_la_bulk_req *msg; |
| 1028 | int ret, ctr = 0; |
| 1029 | |
Herbert Xu | e19ab121 | 2015-07-30 17:53:20 +0800 | [diff] [blame] | 1030 | ret = qat_alg_sgl_to_bufl(ctx->inst, req->src, req->dst, qat_req); |
Tadeusz Struk | 338e84f | 2014-12-08 12:08:49 -0800 | [diff] [blame] | 1031 | if (unlikely(ret)) |
| 1032 | return ret; |
| 1033 | |
| 1034 | msg = &qat_req->req; |
| 1035 | *msg = ctx->dec_fw_req; |
| 1036 | qat_req->ablkcipher_ctx = ctx; |
| 1037 | qat_req->ablkcipher_req = req; |
| 1038 | qat_req->cb = qat_ablkcipher_alg_callback; |
| 1039 | qat_req->req.comn_mid.opaque_data = (uint64_t)(__force long)qat_req; |
| 1040 | qat_req->req.comn_mid.src_data_addr = qat_req->buf.blp; |
| 1041 | qat_req->req.comn_mid.dest_data_addr = qat_req->buf.bloutp; |
| 1042 | cipher_param = (void *)&qat_req->req.serv_specif_rqpars; |
| 1043 | cipher_param->cipher_length = req->nbytes; |
| 1044 | cipher_param->cipher_offset = 0; |
| 1045 | memcpy(cipher_param->u.cipher_IV_array, req->info, AES_BLOCK_SIZE); |
| 1046 | do { |
| 1047 | ret = adf_send_message(ctx->inst->sym_tx, (uint32_t *)msg); |
| 1048 | } while (ret == -EAGAIN && ctr++ < 10); |
| 1049 | |
| 1050 | if (ret == -EAGAIN) { |
| 1051 | qat_alg_free_bufl(ctx->inst, qat_req); |
| 1052 | return -EBUSY; |
| 1053 | } |
| 1054 | return -EINPROGRESS; |
| 1055 | } |
| 1056 | |
Herbert Xu | e19ab121 | 2015-07-30 17:53:20 +0800 | [diff] [blame] | 1057 | static int qat_alg_aead_init(struct crypto_aead *tfm, |
Tadeusz Struk | 338e84f | 2014-12-08 12:08:49 -0800 | [diff] [blame] | 1058 | enum icp_qat_hw_auth_algo hash, |
| 1059 | const char *hash_name) |
| 1060 | { |
Herbert Xu | e19ab121 | 2015-07-30 17:53:20 +0800 | [diff] [blame] | 1061 | struct qat_alg_aead_ctx *ctx = crypto_aead_ctx(tfm); |
Tadeusz Struk | d370cec | 2014-06-05 13:43:32 -0700 | [diff] [blame] | 1062 | |
Tadeusz Struk | d370cec | 2014-06-05 13:43:32 -0700 | [diff] [blame] | 1063 | ctx->hash_tfm = crypto_alloc_shash(hash_name, 0, 0); |
| 1064 | if (IS_ERR(ctx->hash_tfm)) |
Herbert Xu | e19ab121 | 2015-07-30 17:53:20 +0800 | [diff] [blame] | 1065 | return PTR_ERR(ctx->hash_tfm); |
Tadeusz Struk | d370cec | 2014-06-05 13:43:32 -0700 | [diff] [blame] | 1066 | ctx->qat_hash_alg = hash; |
Cabiddu, Giovanni | 7768fb2 | 2016-01-19 17:34:04 +0000 | [diff] [blame] | 1067 | crypto_aead_set_reqsize(tfm, sizeof(struct qat_crypto_request)); |
Tadeusz Struk | d370cec | 2014-06-05 13:43:32 -0700 | [diff] [blame] | 1068 | return 0; |
| 1069 | } |
| 1070 | |
Herbert Xu | e19ab121 | 2015-07-30 17:53:20 +0800 | [diff] [blame] | 1071 | static int qat_alg_aead_sha1_init(struct crypto_aead *tfm) |
Tadeusz Struk | d370cec | 2014-06-05 13:43:32 -0700 | [diff] [blame] | 1072 | { |
Tadeusz Struk | 338e84f | 2014-12-08 12:08:49 -0800 | [diff] [blame] | 1073 | return qat_alg_aead_init(tfm, ICP_QAT_HW_AUTH_ALGO_SHA1, "sha1"); |
Tadeusz Struk | d370cec | 2014-06-05 13:43:32 -0700 | [diff] [blame] | 1074 | } |
| 1075 | |
Herbert Xu | e19ab121 | 2015-07-30 17:53:20 +0800 | [diff] [blame] | 1076 | static int qat_alg_aead_sha256_init(struct crypto_aead *tfm) |
Tadeusz Struk | d370cec | 2014-06-05 13:43:32 -0700 | [diff] [blame] | 1077 | { |
Tadeusz Struk | 338e84f | 2014-12-08 12:08:49 -0800 | [diff] [blame] | 1078 | return qat_alg_aead_init(tfm, ICP_QAT_HW_AUTH_ALGO_SHA256, "sha256"); |
Tadeusz Struk | d370cec | 2014-06-05 13:43:32 -0700 | [diff] [blame] | 1079 | } |
| 1080 | |
Herbert Xu | e19ab121 | 2015-07-30 17:53:20 +0800 | [diff] [blame] | 1081 | static int qat_alg_aead_sha512_init(struct crypto_aead *tfm) |
Tadeusz Struk | d370cec | 2014-06-05 13:43:32 -0700 | [diff] [blame] | 1082 | { |
Tadeusz Struk | 338e84f | 2014-12-08 12:08:49 -0800 | [diff] [blame] | 1083 | return qat_alg_aead_init(tfm, ICP_QAT_HW_AUTH_ALGO_SHA512, "sha512"); |
Tadeusz Struk | d370cec | 2014-06-05 13:43:32 -0700 | [diff] [blame] | 1084 | } |
| 1085 | |
Herbert Xu | e19ab121 | 2015-07-30 17:53:20 +0800 | [diff] [blame] | 1086 | static void qat_alg_aead_exit(struct crypto_aead *tfm) |
Tadeusz Struk | d370cec | 2014-06-05 13:43:32 -0700 | [diff] [blame] | 1087 | { |
Herbert Xu | e19ab121 | 2015-07-30 17:53:20 +0800 | [diff] [blame] | 1088 | struct qat_alg_aead_ctx *ctx = crypto_aead_ctx(tfm); |
Tadeusz Struk | d370cec | 2014-06-05 13:43:32 -0700 | [diff] [blame] | 1089 | struct qat_crypto_instance *inst = ctx->inst; |
| 1090 | struct device *dev; |
| 1091 | |
Herbert Xu | e19ab121 | 2015-07-30 17:53:20 +0800 | [diff] [blame] | 1092 | crypto_free_shash(ctx->hash_tfm); |
Tadeusz Struk | d370cec | 2014-06-05 13:43:32 -0700 | [diff] [blame] | 1093 | |
| 1094 | if (!inst) |
| 1095 | return; |
| 1096 | |
| 1097 | dev = &GET_DEV(inst->accel_dev); |
Struk, Tadeusz | aa408d6 | 2014-11-14 11:23:52 -0800 | [diff] [blame] | 1098 | if (ctx->enc_cd) { |
Herbert Xu | ad511e2 | 2015-01-06 07:54:41 +1100 | [diff] [blame] | 1099 | memset(ctx->enc_cd, 0, sizeof(struct qat_alg_cd)); |
Tadeusz Struk | d370cec | 2014-06-05 13:43:32 -0700 | [diff] [blame] | 1100 | dma_free_coherent(dev, sizeof(struct qat_alg_cd), |
| 1101 | ctx->enc_cd, ctx->enc_cd_paddr); |
Struk, Tadeusz | aa408d6 | 2014-11-14 11:23:52 -0800 | [diff] [blame] | 1102 | } |
| 1103 | if (ctx->dec_cd) { |
Herbert Xu | ad511e2 | 2015-01-06 07:54:41 +1100 | [diff] [blame] | 1104 | memset(ctx->dec_cd, 0, sizeof(struct qat_alg_cd)); |
Tadeusz Struk | d370cec | 2014-06-05 13:43:32 -0700 | [diff] [blame] | 1105 | dma_free_coherent(dev, sizeof(struct qat_alg_cd), |
| 1106 | ctx->dec_cd, ctx->dec_cd_paddr); |
Struk, Tadeusz | aa408d6 | 2014-11-14 11:23:52 -0800 | [diff] [blame] | 1107 | } |
Tadeusz Struk | d370cec | 2014-06-05 13:43:32 -0700 | [diff] [blame] | 1108 | qat_crypto_put_instance(inst); |
| 1109 | } |
| 1110 | |
Tadeusz Struk | 338e84f | 2014-12-08 12:08:49 -0800 | [diff] [blame] | 1111 | static int qat_alg_ablkcipher_init(struct crypto_tfm *tfm) |
| 1112 | { |
| 1113 | struct qat_alg_ablkcipher_ctx *ctx = crypto_tfm_ctx(tfm); |
| 1114 | |
Tadeusz Struk | 338e84f | 2014-12-08 12:08:49 -0800 | [diff] [blame] | 1115 | spin_lock_init(&ctx->lock); |
Cabiddu, Giovanni | 7768fb2 | 2016-01-19 17:34:04 +0000 | [diff] [blame] | 1116 | tfm->crt_ablkcipher.reqsize = sizeof(struct qat_crypto_request); |
Tadeusz Struk | 338e84f | 2014-12-08 12:08:49 -0800 | [diff] [blame] | 1117 | ctx->tfm = tfm; |
| 1118 | return 0; |
| 1119 | } |
| 1120 | |
| 1121 | static void qat_alg_ablkcipher_exit(struct crypto_tfm *tfm) |
| 1122 | { |
| 1123 | struct qat_alg_ablkcipher_ctx *ctx = crypto_tfm_ctx(tfm); |
| 1124 | struct qat_crypto_instance *inst = ctx->inst; |
| 1125 | struct device *dev; |
| 1126 | |
| 1127 | if (!inst) |
| 1128 | return; |
| 1129 | |
| 1130 | dev = &GET_DEV(inst->accel_dev); |
| 1131 | if (ctx->enc_cd) { |
Herbert Xu | ad511e2 | 2015-01-06 07:54:41 +1100 | [diff] [blame] | 1132 | memset(ctx->enc_cd, 0, |
| 1133 | sizeof(struct icp_qat_hw_cipher_algo_blk)); |
Tadeusz Struk | 338e84f | 2014-12-08 12:08:49 -0800 | [diff] [blame] | 1134 | dma_free_coherent(dev, |
| 1135 | sizeof(struct icp_qat_hw_cipher_algo_blk), |
| 1136 | ctx->enc_cd, ctx->enc_cd_paddr); |
| 1137 | } |
| 1138 | if (ctx->dec_cd) { |
Herbert Xu | ad511e2 | 2015-01-06 07:54:41 +1100 | [diff] [blame] | 1139 | memset(ctx->dec_cd, 0, |
| 1140 | sizeof(struct icp_qat_hw_cipher_algo_blk)); |
Tadeusz Struk | 338e84f | 2014-12-08 12:08:49 -0800 | [diff] [blame] | 1141 | dma_free_coherent(dev, |
| 1142 | sizeof(struct icp_qat_hw_cipher_algo_blk), |
| 1143 | ctx->dec_cd, ctx->dec_cd_paddr); |
| 1144 | } |
| 1145 | qat_crypto_put_instance(inst); |
| 1146 | } |
| 1147 | |
Herbert Xu | e19ab121 | 2015-07-30 17:53:20 +0800 | [diff] [blame] | 1148 | |
| 1149 | static struct aead_alg qat_aeads[] = { { |
| 1150 | .base = { |
| 1151 | .cra_name = "authenc(hmac(sha1),cbc(aes))", |
| 1152 | .cra_driver_name = "qat_aes_cbc_hmac_sha1", |
| 1153 | .cra_priority = 4001, |
Herbert Xu | 5e4b8c1 | 2015-08-13 17:29:06 +0800 | [diff] [blame] | 1154 | .cra_flags = CRYPTO_ALG_ASYNC, |
Herbert Xu | e19ab121 | 2015-07-30 17:53:20 +0800 | [diff] [blame] | 1155 | .cra_blocksize = AES_BLOCK_SIZE, |
| 1156 | .cra_ctxsize = sizeof(struct qat_alg_aead_ctx), |
| 1157 | .cra_module = THIS_MODULE, |
| 1158 | }, |
| 1159 | .init = qat_alg_aead_sha1_init, |
| 1160 | .exit = qat_alg_aead_exit, |
| 1161 | .setkey = qat_alg_aead_setkey, |
| 1162 | .decrypt = qat_alg_aead_dec, |
| 1163 | .encrypt = qat_alg_aead_enc, |
| 1164 | .ivsize = AES_BLOCK_SIZE, |
| 1165 | .maxauthsize = SHA1_DIGEST_SIZE, |
| 1166 | }, { |
| 1167 | .base = { |
| 1168 | .cra_name = "authenc(hmac(sha256),cbc(aes))", |
| 1169 | .cra_driver_name = "qat_aes_cbc_hmac_sha256", |
| 1170 | .cra_priority = 4001, |
Herbert Xu | 5e4b8c1 | 2015-08-13 17:29:06 +0800 | [diff] [blame] | 1171 | .cra_flags = CRYPTO_ALG_ASYNC, |
Herbert Xu | e19ab121 | 2015-07-30 17:53:20 +0800 | [diff] [blame] | 1172 | .cra_blocksize = AES_BLOCK_SIZE, |
| 1173 | .cra_ctxsize = sizeof(struct qat_alg_aead_ctx), |
| 1174 | .cra_module = THIS_MODULE, |
| 1175 | }, |
| 1176 | .init = qat_alg_aead_sha256_init, |
| 1177 | .exit = qat_alg_aead_exit, |
| 1178 | .setkey = qat_alg_aead_setkey, |
| 1179 | .decrypt = qat_alg_aead_dec, |
| 1180 | .encrypt = qat_alg_aead_enc, |
| 1181 | .ivsize = AES_BLOCK_SIZE, |
| 1182 | .maxauthsize = SHA256_DIGEST_SIZE, |
| 1183 | }, { |
| 1184 | .base = { |
| 1185 | .cra_name = "authenc(hmac(sha512),cbc(aes))", |
| 1186 | .cra_driver_name = "qat_aes_cbc_hmac_sha512", |
| 1187 | .cra_priority = 4001, |
Herbert Xu | 5e4b8c1 | 2015-08-13 17:29:06 +0800 | [diff] [blame] | 1188 | .cra_flags = CRYPTO_ALG_ASYNC, |
Herbert Xu | e19ab121 | 2015-07-30 17:53:20 +0800 | [diff] [blame] | 1189 | .cra_blocksize = AES_BLOCK_SIZE, |
| 1190 | .cra_ctxsize = sizeof(struct qat_alg_aead_ctx), |
| 1191 | .cra_module = THIS_MODULE, |
| 1192 | }, |
| 1193 | .init = qat_alg_aead_sha512_init, |
| 1194 | .exit = qat_alg_aead_exit, |
| 1195 | .setkey = qat_alg_aead_setkey, |
| 1196 | .decrypt = qat_alg_aead_dec, |
| 1197 | .encrypt = qat_alg_aead_enc, |
| 1198 | .ivsize = AES_BLOCK_SIZE, |
| 1199 | .maxauthsize = SHA512_DIGEST_SIZE, |
| 1200 | } }; |
| 1201 | |
Tadeusz Struk | d370cec | 2014-06-05 13:43:32 -0700 | [diff] [blame] | 1202 | static struct crypto_alg qat_algs[] = { { |
Tadeusz Struk | 338e84f | 2014-12-08 12:08:49 -0800 | [diff] [blame] | 1203 | .cra_name = "cbc(aes)", |
| 1204 | .cra_driver_name = "qat_aes_cbc", |
| 1205 | .cra_priority = 4001, |
| 1206 | .cra_flags = CRYPTO_ALG_TYPE_ABLKCIPHER | CRYPTO_ALG_ASYNC, |
| 1207 | .cra_blocksize = AES_BLOCK_SIZE, |
| 1208 | .cra_ctxsize = sizeof(struct qat_alg_ablkcipher_ctx), |
| 1209 | .cra_alignmask = 0, |
| 1210 | .cra_type = &crypto_ablkcipher_type, |
| 1211 | .cra_module = THIS_MODULE, |
| 1212 | .cra_init = qat_alg_ablkcipher_init, |
| 1213 | .cra_exit = qat_alg_ablkcipher_exit, |
| 1214 | .cra_u = { |
| 1215 | .ablkcipher = { |
Tadeusz Struk | def14bf | 2015-09-30 05:38:39 -0700 | [diff] [blame] | 1216 | .setkey = qat_alg_ablkcipher_cbc_setkey, |
| 1217 | .decrypt = qat_alg_ablkcipher_decrypt, |
| 1218 | .encrypt = qat_alg_ablkcipher_encrypt, |
| 1219 | .min_keysize = AES_MIN_KEY_SIZE, |
| 1220 | .max_keysize = AES_MAX_KEY_SIZE, |
| 1221 | .ivsize = AES_BLOCK_SIZE, |
| 1222 | }, |
| 1223 | }, |
| 1224 | }, { |
| 1225 | .cra_name = "ctr(aes)", |
| 1226 | .cra_driver_name = "qat_aes_ctr", |
| 1227 | .cra_priority = 4001, |
| 1228 | .cra_flags = CRYPTO_ALG_TYPE_ABLKCIPHER | CRYPTO_ALG_ASYNC, |
| 1229 | .cra_blocksize = AES_BLOCK_SIZE, |
| 1230 | .cra_ctxsize = sizeof(struct qat_alg_ablkcipher_ctx), |
| 1231 | .cra_alignmask = 0, |
| 1232 | .cra_type = &crypto_ablkcipher_type, |
| 1233 | .cra_module = THIS_MODULE, |
| 1234 | .cra_init = qat_alg_ablkcipher_init, |
| 1235 | .cra_exit = qat_alg_ablkcipher_exit, |
| 1236 | .cra_u = { |
| 1237 | .ablkcipher = { |
| 1238 | .setkey = qat_alg_ablkcipher_ctr_setkey, |
| 1239 | .decrypt = qat_alg_ablkcipher_decrypt, |
| 1240 | .encrypt = qat_alg_ablkcipher_encrypt, |
| 1241 | .min_keysize = AES_MIN_KEY_SIZE, |
| 1242 | .max_keysize = AES_MAX_KEY_SIZE, |
| 1243 | .ivsize = AES_BLOCK_SIZE, |
| 1244 | }, |
| 1245 | }, |
| 1246 | }, { |
| 1247 | .cra_name = "xts(aes)", |
| 1248 | .cra_driver_name = "qat_aes_xts", |
| 1249 | .cra_priority = 4001, |
| 1250 | .cra_flags = CRYPTO_ALG_TYPE_ABLKCIPHER | CRYPTO_ALG_ASYNC, |
| 1251 | .cra_blocksize = AES_BLOCK_SIZE, |
| 1252 | .cra_ctxsize = sizeof(struct qat_alg_ablkcipher_ctx), |
| 1253 | .cra_alignmask = 0, |
| 1254 | .cra_type = &crypto_ablkcipher_type, |
| 1255 | .cra_module = THIS_MODULE, |
| 1256 | .cra_init = qat_alg_ablkcipher_init, |
| 1257 | .cra_exit = qat_alg_ablkcipher_exit, |
| 1258 | .cra_u = { |
| 1259 | .ablkcipher = { |
| 1260 | .setkey = qat_alg_ablkcipher_xts_setkey, |
Tadeusz Struk | 338e84f | 2014-12-08 12:08:49 -0800 | [diff] [blame] | 1261 | .decrypt = qat_alg_ablkcipher_decrypt, |
| 1262 | .encrypt = qat_alg_ablkcipher_encrypt, |
| 1263 | .min_keysize = AES_MIN_KEY_SIZE, |
| 1264 | .max_keysize = AES_MAX_KEY_SIZE, |
| 1265 | .ivsize = AES_BLOCK_SIZE, |
| 1266 | }, |
| 1267 | }, |
Tadeusz Struk | d370cec | 2014-06-05 13:43:32 -0700 | [diff] [blame] | 1268 | } }; |
| 1269 | |
| 1270 | int qat_algs_register(void) |
| 1271 | { |
Herbert Xu | e19ab121 | 2015-07-30 17:53:20 +0800 | [diff] [blame] | 1272 | int ret = 0, i; |
Tadeusz Struk | 6f043b5 | 2015-07-21 22:07:47 -0700 | [diff] [blame] | 1273 | |
| 1274 | mutex_lock(&algs_lock); |
Herbert Xu | e19ab121 | 2015-07-30 17:53:20 +0800 | [diff] [blame] | 1275 | if (++active_devs != 1) |
| 1276 | goto unlock; |
Tadeusz Struk | d370cec | 2014-06-05 13:43:32 -0700 | [diff] [blame] | 1277 | |
Herbert Xu | e19ab121 | 2015-07-30 17:53:20 +0800 | [diff] [blame] | 1278 | for (i = 0; i < ARRAY_SIZE(qat_algs); i++) |
| 1279 | qat_algs[i].cra_flags = CRYPTO_ALG_TYPE_ABLKCIPHER | CRYPTO_ALG_ASYNC; |
Tadeusz Struk | 338e84f | 2014-12-08 12:08:49 -0800 | [diff] [blame] | 1280 | |
Herbert Xu | e19ab121 | 2015-07-30 17:53:20 +0800 | [diff] [blame] | 1281 | ret = crypto_register_algs(qat_algs, ARRAY_SIZE(qat_algs)); |
| 1282 | if (ret) |
| 1283 | goto unlock; |
| 1284 | |
| 1285 | for (i = 0; i < ARRAY_SIZE(qat_aeads); i++) |
Herbert Xu | 5e4b8c1 | 2015-08-13 17:29:06 +0800 | [diff] [blame] | 1286 | qat_aeads[i].base.cra_flags = CRYPTO_ALG_ASYNC; |
Herbert Xu | e19ab121 | 2015-07-30 17:53:20 +0800 | [diff] [blame] | 1287 | |
| 1288 | ret = crypto_register_aeads(qat_aeads, ARRAY_SIZE(qat_aeads)); |
| 1289 | if (ret) |
| 1290 | goto unreg_algs; |
| 1291 | |
| 1292 | unlock: |
Tadeusz Struk | 6f043b5 | 2015-07-21 22:07:47 -0700 | [diff] [blame] | 1293 | mutex_unlock(&algs_lock); |
| 1294 | return ret; |
Herbert Xu | e19ab121 | 2015-07-30 17:53:20 +0800 | [diff] [blame] | 1295 | |
| 1296 | unreg_algs: |
| 1297 | crypto_unregister_algs(qat_algs, ARRAY_SIZE(qat_algs)); |
| 1298 | goto unlock; |
Tadeusz Struk | d370cec | 2014-06-05 13:43:32 -0700 | [diff] [blame] | 1299 | } |
| 1300 | |
Tadeusz Struk | be2cfac | 2015-09-22 11:57:47 -0700 | [diff] [blame] | 1301 | void qat_algs_unregister(void) |
Tadeusz Struk | d370cec | 2014-06-05 13:43:32 -0700 | [diff] [blame] | 1302 | { |
Tadeusz Struk | 6f043b5 | 2015-07-21 22:07:47 -0700 | [diff] [blame] | 1303 | mutex_lock(&algs_lock); |
Herbert Xu | e19ab121 | 2015-07-30 17:53:20 +0800 | [diff] [blame] | 1304 | if (--active_devs != 0) |
| 1305 | goto unlock; |
| 1306 | |
| 1307 | crypto_unregister_aeads(qat_aeads, ARRAY_SIZE(qat_aeads)); |
| 1308 | crypto_unregister_algs(qat_algs, ARRAY_SIZE(qat_algs)); |
| 1309 | |
| 1310 | unlock: |
Tadeusz Struk | 6f043b5 | 2015-07-21 22:07:47 -0700 | [diff] [blame] | 1311 | mutex_unlock(&algs_lock); |
Tadeusz Struk | d370cec | 2014-06-05 13:43:32 -0700 | [diff] [blame] | 1312 | } |