[dpdk-dev] [PATCH 10/11] common/cnxk: add lmtline init

[Anoob Joseph <anoobj@marvell.com>]

Add routine to initialize LMTLINE which facilitates instruction
submission to CPT. Add common macros required in the enqueue
operations.

Signed-off-by: Anoob Joseph <anoobj@marvell.com>
Signed-off-by: Ankur Dwivedi <adwivedi@marvell.com>

---
 drivers/common/cnxk/roc_cpt.c   | 20 ++++++++++++++++++++
 drivers/common/cnxk/roc_cpt.h   | 31 +++++++++++++++++++++++++++++++
 drivers/common/cnxk/version.map |  1 +
 3 files changed, 52 insertions(+)

diff --git a/drivers/common/cnxk/roc_cpt.c b/drivers/common/cnxk/roc_cpt.c
index d95b94c..6f344ee 100644
--- a/drivers/common/cnxk/roc_cpt.c
+++ b/drivers/common/cnxk/roc_cpt.c
@@ -760,3 +760,23 @@ roc_cpt_iq_disable(struct roc_cpt_lf *lf)
 	lf_inprog.s.eena = 0x0;
 	plt_write64(lf_inprog.u, lf->rbase + CPT_LF_INPROG);
 }
+
+int
+roc_cpt_lmtline_init(struct roc_cpt *roc_cpt, struct roc_cpt_lmtline *lmtline,
+		     int lf_id)
+{
+	struct roc_cpt_lf *lf;
+
+	lf = roc_cpt->lf[lf_id];
+	if (lf == NULL)
+		return -ENOTSUP;
+
+	lmtline->io_addr = lf->io_addr;
+	if (roc_model_is_cn10k())
+		lmtline->io_addr |= ROC_CN10K_CPT_INST_DW_M1 << 4;
+
+	lmtline->fc_addr = lf->fc_addr;
+	lmtline->lmt_base = lf->lmt_base;
+
+	return 0;
+}
diff --git a/drivers/common/cnxk/roc_cpt.h b/drivers/common/cnxk/roc_cpt.h
index 1e7a208..885c84d 100644
--- a/drivers/common/cnxk/roc_cpt.h
+++ b/drivers/common/cnxk/roc_cpt.h
@@ -11,6 +11,34 @@
 #define ROC_AE_CPT_BLOCK_TYPE2 1
 
 #define ROC_CPT_MAX_LFS 64
+#define ROC_CN10K_CPT_INST_DW_M1                                               \
+	((uint64_t)(((sizeof(struct cpt_inst_s) / 16) - 1) & 0x7))
+
+/* Vector of sizes in the burst of 16 CPT inst except first in 63:19 of
+ * APT_LMT_ARG_S
+ */
+#define ROC_CN10K_CPT_LMT_ARG                                                  \
+	(ROC_CN10K_CPT_INST_DW_M1 << (19 + 3 * 0) |                            \
+	 ROC_CN10K_CPT_INST_DW_M1 << (19 + 3 * 1) |                            \
+	 ROC_CN10K_CPT_INST_DW_M1 << (19 + 3 * 2) |                            \
+	 ROC_CN10K_CPT_INST_DW_M1 << (19 + 3 * 3) |                            \
+	 ROC_CN10K_CPT_INST_DW_M1 << (19 + 3 * 4) |                            \
+	 ROC_CN10K_CPT_INST_DW_M1 << (19 + 3 * 5) |                            \
+	 ROC_CN10K_CPT_INST_DW_M1 << (19 + 3 * 6) |                            \
+	 ROC_CN10K_CPT_INST_DW_M1 << (19 + 3 * 7) |                            \
+	 ROC_CN10K_CPT_INST_DW_M1 << (19 + 3 * 8) |                            \
+	 ROC_CN10K_CPT_INST_DW_M1 << (19 + 3 * 9) |                            \
+	 ROC_CN10K_CPT_INST_DW_M1 << (19 + 3 * 10) |                           \
+	 ROC_CN10K_CPT_INST_DW_M1 << (19 + 3 * 11) |                           \
+	 ROC_CN10K_CPT_INST_DW_M1 << (19 + 3 * 12) |                           \
+	 ROC_CN10K_CPT_INST_DW_M1 << (19 + 3 * 13) |                           \
+	 ROC_CN10K_CPT_INST_DW_M1 << (19 + 3 * 14))
+
+struct roc_cpt_lmtline {
+	uint64_t io_addr;
+	uint64_t *fc_addr;
+	uintptr_t lmt_base;
+};
 
 struct roc_cpt_lf {
 	/* Input parameters */
@@ -65,4 +93,7 @@ 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);
+int __roc_api roc_cpt_lmtline_init(struct roc_cpt *roc_cpt,
+				   struct roc_cpt_lmtline *lmtline, int lf_id);
+
 #endif /* _ROC_CPT_H_ */
diff --git a/drivers/common/cnxk/version.map b/drivers/common/cnxk/version.map
index ad559a4..1fa01f1 100644
--- a/drivers/common/cnxk/version.map
+++ b/drivers/common/cnxk/version.map
@@ -22,6 +22,7 @@ INTERNAL {
 	roc_cpt_lf_init;
 	roc_cpt_lf_fini;
 	roc_cpt_lfs_print;
+	roc_cpt_lmtline_init;
 	roc_cpt_rxc_time_cfg;
 	roc_error_msg_get;
 	roc_idev_lmt_base_addr_get;
-- 
2.7.4