[v2,1/2] crypto/cnxk: align HW accessible field to ROC align

Message ID 20221012121034.297-1-anoobj@marvell.com (mailing list archive)
State Accepted, archived
Delegated to: akhil goyal
Headers
Series [v2,1/2] crypto/cnxk: align HW accessible field to ROC align |

Checks

Context Check Description
ci/checkpatch success coding style OK

Commit Message

Anoob Joseph Oct. 12, 2022, 12:10 p.m. UTC
  Hardware accessible memory need to be aligned to ROC. Enforce the same.
Move software specific fields to padding space.

Signed-off-by: Anoob Joseph <anoobj@marvell.com>
---
 drivers/crypto/cnxk/cn10k_cryptodev_ops.c | 33 ++++------
 drivers/crypto/cnxk/cn10k_ipsec.c         | 77 +++++++++++------------
 drivers/crypto/cnxk/cn10k_ipsec.h         | 25 ++++----
 drivers/crypto/cnxk/cn10k_ipsec_la_ops.h  | 40 +++++-------
 4 files changed, 80 insertions(+), 95 deletions(-)
  

Patch

diff --git a/drivers/crypto/cnxk/cn10k_cryptodev_ops.c b/drivers/crypto/cnxk/cn10k_cryptodev_ops.c
index 1d7a9e2952..2942617615 100644
--- a/drivers/crypto/cnxk/cn10k_cryptodev_ops.c
+++ b/drivers/crypto/cnxk/cn10k_cryptodev_ops.c
@@ -72,7 +72,6 @@  cpt_sec_inst_fill(struct cnxk_cpt_qp *qp, struct rte_crypto_op *op,
 		  struct cn10k_sec_session *sess, struct cpt_inst_s *inst)
 {
 	struct rte_crypto_sym_op *sym_op = op->sym;
-	struct cn10k_ipsec_sa *sa;
 	int ret;
 
 	if (unlikely(sym_op->m_dst && sym_op->m_dst != sym_op->m_src)) {
@@ -85,12 +84,10 @@  cpt_sec_inst_fill(struct cnxk_cpt_qp *qp, struct rte_crypto_op *op,
 		return -ENOTSUP;
 	}
 
-	sa = &sess->sa;
-
-	if (sa->is_outbound)
-		ret = process_outb_sa(&qp->lf, op, sa, inst);
+	if (sess->is_outbound)
+		ret = process_outb_sa(&qp->lf, op, sess, inst);
 	else
-		ret = process_inb_sa(op, sa, inst);
+		ret = process_inb_sa(op, sess, inst);
 
 	return ret;
 }
@@ -122,11 +119,11 @@  cn10k_cpt_fill_inst(struct cnxk_cpt_qp *qp, struct rte_crypto_op *ops[],
 
 	if (op->type == RTE_CRYPTO_OP_TYPE_SYMMETRIC) {
 		if (op->sess_type == RTE_CRYPTO_OP_SECURITY_SESSION) {
-			sec_sess = SECURITY_GET_SESS_PRIV(sym_op->session);
+			sec_sess = (struct cn10k_sec_session *)(sym_op->session);
 			ret = cpt_sec_inst_fill(qp, op, sec_sess, &inst[0]);
 			if (unlikely(ret))
 				return 0;
-			w7 = sec_sess->sa.inst.w7;
+			w7 = sec_sess->inst.w7;
 		} else if (op->sess_type == RTE_CRYPTO_OP_WITH_SESSION) {
 			sess = CRYPTODEV_GET_SYM_SESS_PRIV(sym_op->session);
 			ret = cpt_sym_inst_fill(qp, op, sess, infl_req,
@@ -298,13 +295,10 @@  cn10k_cpt_crypto_adapter_ev_mdata_set(struct rte_cryptodev *dev __rte_unused,
 	/* Set meta according to session type */
 	if (op_type == RTE_CRYPTO_OP_TYPE_SYMMETRIC) {
 		if (sess_type == RTE_CRYPTO_OP_SECURITY_SESSION) {
-			struct cn10k_sec_session *priv;
-			struct cn10k_ipsec_sa *sa;
+			struct cn10k_sec_session *sec_sess = (struct cn10k_sec_session *)sess;
 
-			priv = SECURITY_GET_SESS_PRIV(sess);
-			sa = &priv->sa;
-			sa->qp = qp;
-			sa->inst.w2 = w2;
+			sec_sess->qp = qp;
+			sec_sess->inst.w2 = w2;
 		} else if (sess_type == RTE_CRYPTO_OP_WITH_SESSION) {
 			struct cnxk_se_sess *priv;
 
@@ -335,13 +329,12 @@  cn10k_ca_meta_info_extract(struct rte_crypto_op *op,
 {
 	if (op->type == RTE_CRYPTO_OP_TYPE_SYMMETRIC) {
 		if (op->sess_type == RTE_CRYPTO_OP_SECURITY_SESSION) {
-			struct cn10k_sec_session *priv;
-			struct cn10k_ipsec_sa *sa;
+			struct cn10k_sec_session *sec_sess;
+
+			sec_sess = (struct cn10k_sec_session *)op->sym->session;
 
-			priv = SECURITY_GET_SESS_PRIV(op->sym->session);
-			sa = &priv->sa;
-			*qp = sa->qp;
-			*w2 = sa->inst.w2;
+			*qp = sec_sess->qp;
+			*w2 = sec_sess->inst.w2;
 		} else if (op->sess_type == RTE_CRYPTO_OP_WITH_SESSION) {
 			struct cnxk_se_sess *priv;
 
diff --git a/drivers/crypto/cnxk/cn10k_ipsec.c b/drivers/crypto/cnxk/cn10k_ipsec.c
index 1ebdf7793a..ef013c8bae 100644
--- a/drivers/crypto/cnxk/cn10k_ipsec.c
+++ b/drivers/crypto/cnxk/cn10k_ipsec.c
@@ -36,19 +36,17 @@  static int
 cn10k_ipsec_outb_sa_create(struct roc_cpt *roc_cpt, struct roc_cpt_lf *lf,
 			   struct rte_security_ipsec_xform *ipsec_xfrm,
 			   struct rte_crypto_sym_xform *crypto_xfrm,
-			   struct rte_security_session *sec_sess)
+			   struct cn10k_sec_session *sec_sess)
 {
 	union roc_ot_ipsec_outb_param1 param1;
 	struct roc_ot_ipsec_outb_sa *sa_dptr;
 	struct cnxk_ipsec_outb_rlens rlens;
-	struct cn10k_sec_session *sess;
 	struct cn10k_ipsec_sa *sa;
 	union cpt_inst_w4 inst_w4;
 	void *out_sa;
 	int ret = 0;
 
-	sess = SECURITY_GET_SESS_PRIV(sec_sess);
-	sa = &sess->sa;
+	sa = &sec_sess->sa;
 	out_sa = &sa->out_sa;
 
 	/* Allocate memory to be used as dptr for CPT ucode WRITE_SA op */
@@ -65,21 +63,21 @@  cn10k_ipsec_outb_sa_create(struct roc_cpt *roc_cpt, struct roc_cpt_lf *lf,
 		goto sa_dptr_free;
 	}
 
-	sa->inst.w7 = ipsec_cpt_inst_w7_get(roc_cpt, out_sa);
+	sec_sess->inst.w7 = ipsec_cpt_inst_w7_get(roc_cpt, out_sa);
 
 #ifdef LA_IPSEC_DEBUG
 	/* Use IV from application in debug mode */
 	if (ipsec_xfrm->options.iv_gen_disable == 1) {
 		sa_dptr->w2.s.iv_src = ROC_IE_OT_SA_IV_SRC_FROM_SA;
 		if (crypto_xfrm->type == RTE_CRYPTO_SYM_XFORM_AEAD) {
-			sa->iv_offset = crypto_xfrm->aead.iv.offset;
-			sa->iv_length = crypto_xfrm->aead.iv.length;
+			sec_sess->iv_offset = crypto_xfrm->aead.iv.offset;
+			sec_sess->iv_length = crypto_xfrm->aead.iv.length;
 		} else if (crypto_xfrm->type == RTE_CRYPTO_SYM_XFORM_CIPHER) {
-			sa->iv_offset = crypto_xfrm->cipher.iv.offset;
-			sa->iv_length = crypto_xfrm->cipher.iv.length;
+			sec_sess->iv_offset = crypto_xfrm->cipher.iv.offset;
+			sec_sess->iv_length = crypto_xfrm->cipher.iv.length;
 		} else {
-			sa->iv_offset = crypto_xfrm->auth.iv.offset;
-			sa->iv_length = crypto_xfrm->auth.iv.length;
+			sec_sess->iv_offset = crypto_xfrm->auth.iv.offset;
+			sec_sess->iv_length = crypto_xfrm->auth.iv.length;
 		}
 	}
 #else
@@ -90,14 +88,14 @@  cn10k_ipsec_outb_sa_create(struct roc_cpt *roc_cpt, struct roc_cpt_lf *lf,
 	}
 #endif
 
-	sa->is_outbound = true;
+	sec_sess->is_outbound = true;
 
 	/* Get Rlen calculation data */
 	ret = cnxk_ipsec_outb_rlens_get(&rlens, ipsec_xfrm, crypto_xfrm);
 	if (ret)
 		goto sa_dptr_free;
 
-	sa->max_extended_len = rlens.max_extended_len;
+	sec_sess->max_extended_len = rlens.max_extended_len;
 
 	/* pre-populate CPT INST word 4 */
 	inst_w4.u64 = 0;
@@ -125,7 +123,7 @@  cn10k_ipsec_outb_sa_create(struct roc_cpt *roc_cpt, struct roc_cpt_lf *lf,
 
 	inst_w4.s.param1 = param1.u16;
 
-	sa->inst.w4 = inst_w4.u64;
+	sec_sess->inst.w4 = inst_w4.u64;
 
 	if (ipsec_xfrm->options.stats == 1) {
 		/* Enable mib counters */
@@ -163,18 +161,16 @@  static int
 cn10k_ipsec_inb_sa_create(struct roc_cpt *roc_cpt, struct roc_cpt_lf *lf,
 			  struct rte_security_ipsec_xform *ipsec_xfrm,
 			  struct rte_crypto_sym_xform *crypto_xfrm,
-			  struct rte_security_session *sec_sess)
+			  struct cn10k_sec_session *sec_sess)
 {
 	union roc_ot_ipsec_inb_param1 param1;
 	struct roc_ot_ipsec_inb_sa *sa_dptr;
-	struct cn10k_sec_session *sess;
 	struct cn10k_ipsec_sa *sa;
 	union cpt_inst_w4 inst_w4;
 	void *in_sa;
 	int ret = 0;
 
-	sess = SECURITY_GET_SESS_PRIV(sec_sess);
-	sa = &sess->sa;
+	sa = &sec_sess->sa;
 	in_sa = &sa->in_sa;
 
 	/* Allocate memory to be used as dptr for CPT ucode WRITE_SA op */
@@ -192,8 +188,8 @@  cn10k_ipsec_inb_sa_create(struct roc_cpt *roc_cpt, struct roc_cpt_lf *lf,
 		goto sa_dptr_free;
 	}
 
-	sa->is_outbound = false;
-	sa->inst.w7 = ipsec_cpt_inst_w7_get(roc_cpt, in_sa);
+	sec_sess->is_outbound = false;
+	sec_sess->inst.w7 = ipsec_cpt_inst_w7_get(roc_cpt, in_sa);
 
 	/* pre-populate CPT INST word 4 */
 	inst_w4.u64 = 0;
@@ -221,7 +217,7 @@  cn10k_ipsec_inb_sa_create(struct roc_cpt *roc_cpt, struct roc_cpt_lf *lf,
 
 	inst_w4.s.param1 = param1.u16;
 
-	sa->inst.w4 = inst_w4.u64;
+	sec_sess->inst.w4 = inst_w4.u64;
 
 	if (ipsec_xfrm->options.stats == 1) {
 		/* Enable mib counters */
@@ -281,11 +277,11 @@  cn10k_ipsec_session_create(void *dev,
 	roc_cpt = &vf->cpt;
 
 	if (ipsec_xfrm->direction == RTE_SECURITY_IPSEC_SA_DIR_INGRESS)
-		return cn10k_ipsec_inb_sa_create(roc_cpt, &qp->lf, ipsec_xfrm,
-						 crypto_xfrm, sess);
+		return cn10k_ipsec_inb_sa_create(roc_cpt, &qp->lf, ipsec_xfrm, crypto_xfrm,
+						 (struct cn10k_sec_session *)sess);
 	else
-		return cn10k_ipsec_outb_sa_create(roc_cpt, &qp->lf, ipsec_xfrm,
-						  crypto_xfrm, sess);
+		return cn10k_ipsec_outb_sa_create(roc_cpt, &qp->lf, ipsec_xfrm, crypto_xfrm,
+						  (struct cn10k_sec_session *)sess);
 }
 
 static int
@@ -314,13 +310,14 @@  cn10k_sec_session_destroy(void *dev, struct rte_security_session *sec_sess)
 	void *sa_dptr = NULL;
 	int ret;
 
-	sess = SECURITY_GET_SESS_PRIV(sec_sess);
-	if (sess == NULL)
-		return 0;
+	if (unlikely(sec_sess == NULL))
+		return -EINVAL;
+
+	sess = (struct cn10k_sec_session *)sec_sess;
 
 	qp = crypto_dev->data->queue_pairs[0];
-	if (qp == NULL)
-		return 0;
+	if (unlikely(qp == NULL))
+		return -ENOTSUP;
 
 	lf = &qp->lf;
 
@@ -331,7 +328,7 @@  cn10k_sec_session_destroy(void *dev, struct rte_security_session *sec_sess)
 
 	ret = -1;
 
-	if (sa->is_outbound) {
+	if (sess->is_outbound) {
 		sa_dptr = plt_zmalloc(sizeof(struct roc_ot_ipsec_outb_sa), 8);
 		if (sa_dptr != NULL) {
 			roc_ot_ipsec_outb_sa_init(sa_dptr);
@@ -374,7 +371,7 @@  cn10k_sec_session_destroy(void *dev, struct rte_security_session *sec_sess)
 static unsigned int
 cn10k_sec_session_get_size(void *device __rte_unused)
 {
-	return sizeof(struct cn10k_sec_session);
+	return sizeof(struct cn10k_sec_session) - sizeof(struct rte_security_session);
 }
 
 static int
@@ -384,25 +381,23 @@  cn10k_sec_session_stats_get(void *device, struct rte_security_session *sess,
 	struct rte_cryptodev *crypto_dev = device;
 	struct roc_ot_ipsec_outb_sa *out_sa;
 	struct roc_ot_ipsec_inb_sa *in_sa;
-	union roc_ot_ipsec_sa_word2 *w2;
 	struct cn10k_sec_session *priv;
 	struct cn10k_ipsec_sa *sa;
 	struct cnxk_cpt_qp *qp;
 
-	priv = SECURITY_GET_SESS_PRIV(sess);
-	if (priv == NULL)
+	if (unlikely(sess == NULL))
 		return -EINVAL;
 
+	priv = (struct cn10k_sec_session *)sess;
+
 	qp = crypto_dev->data->queue_pairs[0];
 	if (qp == NULL)
 		return -EINVAL;
 
-	sa = &priv->sa;
-	w2 = (union roc_ot_ipsec_sa_word2 *)&sa->in_sa.w2;
-
 	stats->protocol = RTE_SECURITY_PROTOCOL_IPSEC;
+	sa = &priv->sa;
 
-	if (w2->s.dir == ROC_IE_SA_DIR_OUTBOUND) {
+	if (priv->is_outbound) {
 		out_sa = &sa->out_sa;
 		roc_cpt_lf_ctx_flush(&qp->lf, out_sa, false);
 		rte_delay_ms(1);
@@ -448,8 +443,8 @@  cn10k_sec_session_update(void *device, struct rte_security_session *sess,
 	vf = crypto_dev->data->dev_private;
 	roc_cpt = &vf->cpt;
 
-	return cn10k_ipsec_outb_sa_create(roc_cpt, &qp->lf, &conf->ipsec,
-					  conf->crypto_xform, sess);
+	return cn10k_ipsec_outb_sa_create(roc_cpt, &qp->lf, &conf->ipsec, conf->crypto_xform,
+					  (struct cn10k_sec_session *)sess);
 }
 
 /* Update platform specific security ops */
diff --git a/drivers/crypto/cnxk/cn10k_ipsec.h b/drivers/crypto/cnxk/cn10k_ipsec.h
index 1c1d904799..044fe33046 100644
--- a/drivers/crypto/cnxk/cn10k_ipsec.h
+++ b/drivers/crypto/cnxk/cn10k_ipsec.h
@@ -6,6 +6,7 @@ 
 #define __CN10K_IPSEC_H__
 
 #include <rte_security.h>
+#include <rte_security_driver.h>
 
 #include "roc_api.h"
 
@@ -14,6 +15,19 @@ 
 typedef void *CN10K_SA_CONTEXT_MARKER[0];
 
 struct cn10k_ipsec_sa {
+	union {
+		/** Inbound SA */
+		struct roc_ot_ipsec_inb_sa in_sa;
+		/** Outbound SA */
+		struct roc_ot_ipsec_outb_sa out_sa;
+	};
+} __rte_aligned(ROC_ALIGN);
+
+struct cn10k_sec_session {
+	struct rte_security_session rte_sess;
+
+	/** PMD private space */
+
 	/** Pre-populated CPT inst words */
 	struct cnxk_cpt_inst_tmpl inst;
 	uint16_t max_extended_len;
@@ -26,17 +40,6 @@  struct cn10k_ipsec_sa {
 	/**
 	 * End of SW mutable area
 	 */
-	CN10K_SA_CONTEXT_MARKER sw_area_end __rte_aligned(ROC_ALIGN);
-
-	union {
-		/** Inbound SA */
-		struct roc_ot_ipsec_inb_sa in_sa;
-		/** Outbound SA */
-		struct roc_ot_ipsec_outb_sa out_sa;
-	};
-} __rte_aligned(ROC_ALIGN);
-
-struct cn10k_sec_session {
 	struct cn10k_ipsec_sa sa;
 } __rte_aligned(ROC_ALIGN);
 
diff --git a/drivers/crypto/cnxk/cn10k_ipsec_la_ops.h b/drivers/crypto/cnxk/cn10k_ipsec_la_ops.h
index 21502e0eb2..a75e88cb28 100644
--- a/drivers/crypto/cnxk/cn10k_ipsec_la_ops.h
+++ b/drivers/crypto/cnxk/cn10k_ipsec_la_ops.h
@@ -13,13 +13,12 @@ 
 #include "cnxk_cryptodev.h"
 
 static inline void
-ipsec_po_sa_iv_set(struct cn10k_ipsec_sa *sess, struct rte_crypto_op *cop)
+ipsec_po_sa_iv_set(struct cn10k_sec_session *sess, struct rte_crypto_op *cop)
 {
-	uint64_t *iv = &sess->out_sa.iv.u64[0];
+	uint64_t *iv = &sess->sa.out_sa.iv.u64[0];
 	uint64_t *tmp_iv;
 
-	memcpy(iv, rte_crypto_op_ctod_offset(cop, uint8_t *, sess->iv_offset),
-	       16);
+	memcpy(iv, rte_crypto_op_ctod_offset(cop, uint8_t *, sess->iv_offset), 16);
 	tmp_iv = (uint64_t *)iv;
 	*tmp_iv = rte_be_to_cpu_64(*tmp_iv);
 
@@ -28,28 +27,24 @@  ipsec_po_sa_iv_set(struct cn10k_ipsec_sa *sess, struct rte_crypto_op *cop)
 }
 
 static inline void
-ipsec_po_sa_aes_gcm_iv_set(struct cn10k_ipsec_sa *sess,
-			   struct rte_crypto_op *cop)
+ipsec_po_sa_aes_gcm_iv_set(struct cn10k_sec_session *sess, struct rte_crypto_op *cop)
 {
-	uint8_t *iv = &sess->out_sa.iv.s.iv_dbg1[0];
+	uint8_t *iv = &sess->sa.out_sa.iv.s.iv_dbg1[0];
 	uint32_t *tmp_iv;
 
-	memcpy(iv, rte_crypto_op_ctod_offset(cop, uint8_t *, sess->iv_offset),
-	       4);
+	memcpy(iv, rte_crypto_op_ctod_offset(cop, uint8_t *, sess->iv_offset), 4);
 	tmp_iv = (uint32_t *)iv;
 	*tmp_iv = rte_be_to_cpu_32(*tmp_iv);
 
-	iv = &sess->out_sa.iv.s.iv_dbg2[0];
-	memcpy(iv,
-	       rte_crypto_op_ctod_offset(cop, uint8_t *, sess->iv_offset + 4),
-	       4);
+	iv = &sess->sa.out_sa.iv.s.iv_dbg2[0];
+	memcpy(iv, rte_crypto_op_ctod_offset(cop, uint8_t *, sess->iv_offset + 4), 4);
 	tmp_iv = (uint32_t *)iv;
 	*tmp_iv = rte_be_to_cpu_32(*tmp_iv);
 }
 
 static __rte_always_inline int
-process_outb_sa(struct roc_cpt_lf *lf, struct rte_crypto_op *cop,
-		struct cn10k_ipsec_sa *sess, struct cpt_inst_s *inst)
+process_outb_sa(struct roc_cpt_lf *lf, struct rte_crypto_op *cop, struct cn10k_sec_session *sess,
+		struct cpt_inst_s *inst)
 {
 	struct rte_crypto_sym_op *sym_op = cop->sym;
 	struct rte_mbuf *m_src = sym_op->m_src;
@@ -64,17 +59,17 @@  process_outb_sa(struct roc_cpt_lf *lf, struct rte_crypto_op *cop,
 	RTE_SET_USED(lf);
 
 #ifdef LA_IPSEC_DEBUG
-	if (sess->out_sa.w2.s.iv_src == ROC_IE_OT_SA_IV_SRC_FROM_SA) {
-		if (sess->out_sa.w2.s.enc_type == ROC_IE_OT_SA_ENC_AES_GCM ||
-		    sess->out_sa.w2.s.enc_type == ROC_IE_OT_SA_ENC_AES_CCM ||
-		    sess->out_sa.w2.s.auth_type == ROC_IE_OT_SA_AUTH_AES_GMAC)
+	if (sess->sa.out_sa.w2.s.iv_src == ROC_IE_OT_SA_IV_SRC_FROM_SA) {
+		if (sess->sa.out_sa.w2.s.enc_type == ROC_IE_OT_SA_ENC_AES_GCM ||
+		    sess->sa.out_sa.w2.s.enc_type == ROC_IE_OT_SA_ENC_AES_CCM ||
+		    sess->sa.out_sa.w2.s.auth_type == ROC_IE_OT_SA_AUTH_AES_GMAC)
 			ipsec_po_sa_aes_gcm_iv_set(sess, cop);
 		else
 			ipsec_po_sa_iv_set(sess, cop);
 	}
 
 	/* Trigger CTX reload to fetch new data from DRAM */
-	roc_cpt_lf_ctx_reload(lf, &sess->out_sa);
+	roc_cpt_lf_ctx_reload(lf, &sess->sa.out_sa);
 	rte_delay_ms(1);
 #endif
 
@@ -94,15 +89,14 @@  process_outb_sa(struct roc_cpt_lf *lf, struct rte_crypto_op *cop,
 }
 
 static __rte_always_inline int
-process_inb_sa(struct rte_crypto_op *cop, struct cn10k_ipsec_sa *sa,
-	       struct cpt_inst_s *inst)
+process_inb_sa(struct rte_crypto_op *cop, struct cn10k_sec_session *sess, struct cpt_inst_s *inst)
 {
 	struct rte_crypto_sym_op *sym_op = cop->sym;
 	struct rte_mbuf *m_src = sym_op->m_src;
 	uint64_t dptr;
 
 	/* Prepare CPT instruction */
-	inst->w4.u64 = sa->inst.w4 | rte_pktmbuf_pkt_len(m_src);
+	inst->w4.u64 = sess->inst.w4 | rte_pktmbuf_pkt_len(m_src);
 	dptr = rte_pktmbuf_mtod(m_src, uint64_t);
 	inst->dptr = dptr;
 	inst->rptr = dptr;