1 /* SPDX-License-Identifier: BSD-3-Clause */ 2 /* Copyright(c) 2007-2022 Intel Corporation */ 3 /* $FreeBSD$ */ 4 #ifndef _QAT_OCF_UTILS_H_ 5 #define _QAT_OCF_UTILS_H_ 6 /* System headers */ 7 #include <sys/types.h> 8 #include <sys/mbuf.h> 9 #include <machine/bus_dma.h> 10 11 /* Cryptodev headers */ 12 #include <opencrypto/cryptodev.h> 13 #include <crypto/sha2/sha512.h> 14 15 /* QAT specific headers */ 16 #include "qat_ocf_mem_pool.h" 17 #include "cpa.h" 18 #include "cpa_cy_sym_dp.h" 19 20 static inline CpaBoolean 21 is_gmac_exception(const struct crypto_session_params *csp) 22 { 23 if (CSP_MODE_DIGEST == csp->csp_mode) 24 if (CRYPTO_AES_NIST_GMAC == csp->csp_auth_alg) 25 return CPA_TRUE; 26 27 return CPA_FALSE; 28 } 29 30 static inline CpaBoolean 31 is_sep_aad_supported(const struct crypto_session_params *csp) 32 { 33 if (CPA_TRUE == is_gmac_exception(csp)) 34 return CPA_FALSE; 35 36 if (CSP_MODE_AEAD == csp->csp_mode) 37 if (CRYPTO_AES_NIST_GCM_16 == csp->csp_cipher_alg || 38 CRYPTO_AES_NIST_GMAC == csp->csp_cipher_alg) 39 return CPA_TRUE; 40 41 return CPA_FALSE; 42 } 43 44 static inline CpaBoolean 45 is_use_sep_digest(const struct crypto_session_params *csp) 46 { 47 /* Use separated digest for all digest/hash operations, 48 * including GMAC. ETA and AEAD use separated digest 49 * due to FW limitation to specify offset to digest 50 * appended to pay-load buffer. */ 51 if (CSP_MODE_DIGEST == csp->csp_mode || CSP_MODE_ETA == csp->csp_mode || 52 CSP_MODE_AEAD == csp->csp_mode) 53 return CPA_TRUE; 54 55 return CPA_FALSE; 56 } 57 58 int qat_ocf_handle_session_update(struct qat_ocf_dsession *ocf_dsession, 59 struct cryptop *crp); 60 61 CpaStatus qat_ocf_wait_for_session(CpaCySymSessionCtx sessionCtx, 62 Cpa32U timeoutMS); 63 64 #endif /* _QAT_OCF_UTILS_H_ */ 65