[dpdk-dev] [PATCH 04/15] crypto/qat: add fourth generation ucs slice type, add ctr mode

[Arek Kusztal <arkadiuszx.kusztal@intel.com>]

This commit adds unified cipher slice to Intel QuickAssist
Technology PMD and enables AES-CTR algorithm.

Signed-off-by: Arek Kusztal <arkadiuszx.kusztal@intel.com>
---
 drivers/common/qat/qat_adf/icp_qat_fw_la.h | 28 ++++++++++++++++++++++
 drivers/common/qat/qat_adf/icp_qat_hw.h    | 10 ++++++++
 drivers/crypto/qat/qat_sym_capabilities.h  | 20 ++++++++++++++++
 drivers/crypto/qat/qat_sym_session.c       | 27 ++++++++++++++++++++-
 drivers/crypto/qat/qat_sym_session.h       |  1 +
 5 files changed, 85 insertions(+), 1 deletion(-)

diff --git a/drivers/common/qat/qat_adf/icp_qat_fw_la.h b/drivers/common/qat/qat_adf/icp_qat_fw_la.h
index 20eb145def..c4901eb869 100644
--- a/drivers/common/qat/qat_adf/icp_qat_fw_la.h
+++ b/drivers/common/qat/qat_adf/icp_qat_fw_la.h
@@ -371,4 +371,32 @@ struct icp_qat_fw_la_resp {
 	& ICP_QAT_FW_COMN_NEXT_ID_MASK) | \
 	((val) & ICP_QAT_FW_COMN_CURR_ID_MASK)) }
 
+#define ICP_QAT_FW_LA_USE_WIRELESS_SLICE_TYPE 2
+#define ICP_QAT_FW_LA_USE_UCS_SLICE_TYPE 1
+#define ICP_QAT_FW_LA_USE_LEGACY_SLICE_TYPE 0
+#define QAT_LA_SLICE_TYPE_BITPOS 14
+#define QAT_LA_SLICE_TYPE_MASK 0x3
+#define ICP_QAT_FW_LA_SLICE_TYPE_SET(flags, val)	\
+	QAT_FIELD_SET(flags, val, QAT_LA_SLICE_TYPE_BITPOS,	\
+		QAT_LA_SLICE_TYPE_MASK)
+
+struct icp_qat_fw_la_cipher_20_req_params {
+	uint32_t cipher_offset;
+	uint32_t cipher_length;
+	union {
+	uint32_t cipher_IV_array[ICP_QAT_FW_NUM_LONGWORDS_4];
+	struct {
+		uint64_t cipher_IV_ptr;
+		uint64_t resrvd1;
+		} s;
+
+	} u;
+	uint32_t   spc_aad_offset;
+	uint32_t   spc_aad_sz;
+	uint64_t   spc_aad_addr;
+	uint64_t   spc_auth_res_addr;
+	uint8_t    reserved[3];
+	uint8_t    spc_auth_res_sz;
+};
+
 #endif
diff --git a/drivers/common/qat/qat_adf/icp_qat_hw.h b/drivers/common/qat/qat_adf/icp_qat_hw.h
index fdc0f191a2..b1e6a1fa15 100644
--- a/drivers/common/qat/qat_adf/icp_qat_hw.h
+++ b/drivers/common/qat/qat_adf/icp_qat_hw.h
@@ -342,6 +342,16 @@ struct icp_qat_hw_cipher_algo_blk {
 	uint8_t key[ICP_QAT_HW_CIPHER_MAX_KEY_SZ];
 } __rte_cache_aligned;
 
+struct icp_qat_hw_ucs_cipher_config {
+	uint32_t val;
+	uint32_t reserved[3];
+};
+
+struct icp_qat_hw_cipher_algo_blk20 {
+	struct icp_qat_hw_ucs_cipher_config cipher_config;
+	uint8_t key[ICP_QAT_HW_CIPHER_MAX_KEY_SZ];
+} __rte_cache_aligned;
+
 /* ========================================================================= */
 /*                COMPRESSION SLICE                                          */
 /* ========================================================================= */
diff --git a/drivers/crypto/qat/qat_sym_capabilities.h b/drivers/crypto/qat/qat_sym_capabilities.h
index 21c817bccc..aca528b991 100644
--- a/drivers/crypto/qat/qat_sym_capabilities.h
+++ b/drivers/crypto/qat/qat_sym_capabilities.h
@@ -1064,6 +1064,26 @@
 				.iv_size = { 0 }			\
 			}, }						\
 		}, }							\
+	},								\
+	{	/* AES CTR */						\
+		.op = RTE_CRYPTO_OP_TYPE_SYMMETRIC,			\
+		{.sym = {						\
+			.xform_type = RTE_CRYPTO_SYM_XFORM_CIPHER,	\
+			{.cipher = {					\
+				.algo = RTE_CRYPTO_CIPHER_AES_CTR,	\
+				.block_size = 16,			\
+				.key_size = {				\
+					.min = 16,			\
+					.max = 32,			\
+					.increment = 8			\
+				},					\
+				.iv_size = {				\
+					.min = 16,			\
+					.max = 16,			\
+					.increment = 0			\
+				}					\
+			}, }						\
+		}, }							\
 	}								\
 
 
diff --git a/drivers/crypto/qat/qat_sym_session.c b/drivers/crypto/qat/qat_sym_session.c
index 506ffddd20..2c44b1f1aa 100644
--- a/drivers/crypto/qat/qat_sym_session.c
+++ b/drivers/crypto/qat/qat_sym_session.c
@@ -246,6 +246,8 @@ qat_sym_session_configure_cipher(struct rte_cryptodev *dev,
 {
 	struct qat_sym_dev_private *internals = dev->data->dev_private;
 	struct rte_crypto_cipher_xform *cipher_xform = NULL;
+	enum qat_device_gen qat_dev_gen =
+				internals->qat_dev->qat_dev_gen;
 	int ret;
 
 	/* Get cipher xform from crypto xform chain */
@@ -272,6 +274,13 @@ qat_sym_session_configure_cipher(struct rte_cryptodev *dev,
 			goto error_out;
 		}
 		session->qat_mode = ICP_QAT_HW_CIPHER_CTR_MODE;
+		if (qat_dev_gen == QAT_GEN4) {
+			/* TODO: Filter WCP */
+			ICP_QAT_FW_LA_SLICE_TYPE_SET(
+				session->fw_req.comn_hdr.serv_specif_flags,
+				ICP_QAT_FW_LA_USE_UCS_SLICE_TYPE);
+			session->is_ucs = 1;
+		}
 		break;
 	case RTE_CRYPTO_CIPHER_SNOW3G_UEA2:
 		if (qat_sym_validate_snow3g_key(cipher_xform->key.length,
@@ -556,6 +565,7 @@ qat_sym_session_set_parameters(struct rte_cryptodev *dev,
 			offsetof(struct qat_sym_session, cd);
 
 	session->min_qat_dev_gen = QAT_GEN1;
+	session->is_ucs = 0;
 
 	/* Get requested QAT command id */
 	qat_cmd_id = qat_get_cmd_id(xform);
@@ -1518,6 +1528,7 @@ int qat_sym_session_aead_create_cd_cipher(struct qat_sym_session *cdesc,
 						uint32_t cipherkeylen)
 {
 	struct icp_qat_hw_cipher_algo_blk *cipher;
+	struct icp_qat_hw_cipher_algo_blk20 *cipher20;
 	struct icp_qat_fw_la_bulk_req *req_tmpl = &cdesc->fw_req;
 	struct icp_qat_fw_comn_req_hdr_cd_pars *cd_pars = &req_tmpl->cd_pars;
 	struct icp_qat_fw_comn_req_hdr *header = &req_tmpl->comn_hdr;
@@ -1611,7 +1622,6 @@ int qat_sym_session_aead_create_cd_cipher(struct qat_sym_session *cdesc,
 		qat_proto_flag =
 			qat_get_crypto_proto_flag(header->serv_specif_flags);
 	}
-	cipher_cd_ctrl->cipher_key_sz = total_key_size >> 3;
 	cipher_offset = cdesc->cd_cur_ptr-((uint8_t *)&cdesc->cd);
 	cipher_cd_ctrl->cipher_cfg_offset = cipher_offset >> 3;
 
@@ -1619,6 +1629,7 @@ int qat_sym_session_aead_create_cd_cipher(struct qat_sym_session *cdesc,
 	qat_sym_session_init_common_hdr(header, qat_proto_flag);
 
 	cipher = (struct icp_qat_hw_cipher_algo_blk *)cdesc->cd_cur_ptr;
+	cipher20 = (struct icp_qat_hw_cipher_algo_blk20 *)cdesc->cd_cur_ptr;
 	cipher->cipher_config.val =
 	    ICP_QAT_HW_CIPHER_CONFIG_BUILD(cdesc->qat_mode,
 					cdesc->qat_cipher_alg, key_convert,
@@ -1638,6 +1649,19 @@ int qat_sym_session_aead_create_cd_cipher(struct qat_sym_session *cdesc,
 
 		cdesc->cd_cur_ptr += sizeof(struct icp_qat_hw_cipher_config) +
 					cipherkeylen + cipherkeylen;
+	} else if (cdesc->is_ucs) {
+		const uint8_t *final_key = cipherkey;
+
+		total_key_size = RTE_ALIGN_CEIL(cipherkeylen,
+			ICP_QAT_HW_AES_128_KEY_SZ);
+		cipher20->cipher_config.reserved[0] = 0;
+		cipher20->cipher_config.reserved[1] = 0;
+		cipher20->cipher_config.reserved[2] = 0;
+
+		rte_memcpy(cipher20->key, final_key, cipherkeylen);
+		cdesc->cd_cur_ptr +=
+			sizeof(struct icp_qat_hw_ucs_cipher_config) +
+					cipherkeylen;
 	} else {
 		memcpy(cipher->key, cipherkey, cipherkeylen);
 		cdesc->cd_cur_ptr += sizeof(struct icp_qat_hw_cipher_config) +
@@ -1664,6 +1688,7 @@ int qat_sym_session_aead_create_cd_cipher(struct qat_sym_session *cdesc,
 	}
 	cd_size = cdesc->cd_cur_ptr-(uint8_t *)&cdesc->cd;
 	cd_pars->u.s.content_desc_params_sz = RTE_ALIGN_CEIL(cd_size, 8) >> 3;
+	cipher_cd_ctrl->cipher_key_sz = total_key_size >> 3;
 
 	return 0;
 }
diff --git a/drivers/crypto/qat/qat_sym_session.h b/drivers/crypto/qat/qat_sym_session.h
index 72eee06597..4450df6911 100644
--- a/drivers/crypto/qat/qat_sym_session.h
+++ b/drivers/crypto/qat/qat_sym_session.h
@@ -92,6 +92,7 @@ struct qat_sym_session {
 	uint8_t aes_cmac;
 	uint8_t is_single_pass;
 	uint8_t is_single_pass_gmac;
+	uint8_t is_ucs;
 };
 
 int
-- 
2.25.1