[dpdk-dev] [PATCH v2 08/17] common/cnxk: add CPT LF flush

[Anoob Joseph]

From: Aakash Sasidharan <asasidharan at marvell.com>

Add routine to flush context from CPT context processor cache.

Signed-off-by: Aakash Sasidharan <asasidharan at marvell.com>
Signed-off-by: Vidya Sagar Velumuri <vvelumuri at marvell.com>

---
 drivers/common/cnxk/roc_cpt.c   | 18 ++++++++++++++++++
 drivers/common/cnxk/roc_cpt.h   |  1 +
 drivers/common/cnxk/version.map |  1 +
 3 files changed, 20 insertions(+)

diff --git a/drivers/common/cnxk/roc_cpt.c b/drivers/common/cnxk/roc_cpt.c
index 21c7704..fd92de3 100644
--- a/drivers/common/cnxk/roc_cpt.c
+++ b/drivers/common/cnxk/roc_cpt.c
@@ -599,6 +599,24 @@ roc_cpt_dev_init(struct roc_cpt *roc_cpt)
 	return rc;
 }
 
+int
+roc_cpt_lf_ctx_flush(struct roc_cpt_lf *lf, uint64_t cptr)
+{
+	union cpt_lf_ctx_flush reg;
+
+	if (lf == NULL)
+		return -ENOTSUP;
+
+	reg.u = 0;
+	reg.s.pf_func = lf->pf_func;
+	reg.s.inval = 1;
+	reg.s.cptr = cptr;
+
+	plt_write64(reg.u, lf->rbase + CPT_LF_CTX_FLUSH);
+
+	return 0;
+}
+
 void
 cpt_lf_fini(struct roc_cpt_lf *lf)
 {
diff --git a/drivers/common/cnxk/roc_cpt.h b/drivers/common/cnxk/roc_cpt.h
index 73ecb4e..022c8ad 100644
--- a/drivers/common/cnxk/roc_cpt.h
+++ b/drivers/common/cnxk/roc_cpt.h
@@ -63,6 +63,7 @@ int __roc_api roc_cpt_dev_configure(struct roc_cpt *roc_cpt, int nb_lf);
 void __roc_api roc_cpt_dev_clear(struct roc_cpt *roc_cpt);
 int __roc_api roc_cpt_lf_init(struct roc_cpt *roc_cpt, struct roc_cpt_lf *lf);
 void __roc_api roc_cpt_lf_fini(struct roc_cpt_lf *lf);
+int __roc_api roc_cpt_lf_ctx_flush(struct roc_cpt_lf *lf, uint64_t cptr);
 int __roc_api roc_cpt_afs_print(struct roc_cpt *roc_cpt);
 int __roc_api roc_cpt_lfs_print(struct roc_cpt *roc_cpt);
 void __roc_api roc_cpt_iq_disable(struct roc_cpt_lf *lf);
diff --git a/drivers/common/cnxk/version.map b/drivers/common/cnxk/version.map
index 87130df..0827b77 100644
--- a/drivers/common/cnxk/version.map
+++ b/drivers/common/cnxk/version.map
@@ -18,6 +18,7 @@ INTERNAL {
 	roc_cpt_dev_init;
 	roc_cpt_eng_grp_add;
 	roc_cpt_iq_disable;
+	roc_cpt_lf_ctx_flush;
 	roc_cpt_lf_init;
 	roc_cpt_lf_fini;
 	roc_cpt_lfs_print;
-- 
2.7.4