[dpdk-dev] [PATCH v4 13/21] bus/fslmc: affine dpio to crypto threads

[Hemant Agrawal <hemant.agrawal@nxp.com>]

Signed-off-by: Hemant Agrawal <hemant.agrawal@nxp.com>
---
 drivers/bus/fslmc/portal/dpaa2_hw_dpio.c    | 45 +++++++++++++++++++++++++++++
 drivers/bus/fslmc/portal/dpaa2_hw_dpio.h    |  3 ++
 drivers/bus/fslmc/rte_bus_fslmc_version.map |  1 +
 3 files changed, 49 insertions(+)

diff --git a/drivers/bus/fslmc/portal/dpaa2_hw_dpio.c b/drivers/bus/fslmc/portal/dpaa2_hw_dpio.c
index 16313cc..eaf35e9 100644
--- a/drivers/bus/fslmc/portal/dpaa2_hw_dpio.c
+++ b/drivers/bus/fslmc/portal/dpaa2_hw_dpio.c
@@ -276,6 +276,51 @@ static inline struct dpaa2_dpio_dev *dpaa2_get_qbman_swp(void)
 }
 
 int
+dpaa2_affine_qbman_swp_sec(void)
+{
+	unsigned int lcore_id = rte_lcore_id();
+	uint64_t tid = syscall(SYS_gettid);
+
+	if (lcore_id == LCORE_ID_ANY)
+		lcore_id = rte_get_master_lcore();
+	/* if the core id is not supported */
+	else if (lcore_id >= RTE_MAX_LCORE)
+		return -1;
+
+	if (dpaa2_io_portal[lcore_id].sec_dpio_dev) {
+		PMD_DRV_LOG(INFO, "DPAA Portal=0x%x (%d) is being shared"
+			    " between thread %lu and current  %lu",
+			    dpaa2_io_portal[lcore_id].sec_dpio_dev,
+			    dpaa2_io_portal[lcore_id].sec_dpio_dev->index,
+			    dpaa2_io_portal[lcore_id].sec_tid,
+			    tid);
+		RTE_PER_LCORE(_dpaa2_io).sec_dpio_dev
+			= dpaa2_io_portal[lcore_id].sec_dpio_dev;
+		rte_atomic16_inc(&dpaa2_io_portal
+				 [lcore_id].sec_dpio_dev->ref_count);
+		dpaa2_io_portal[lcore_id].sec_tid = tid;
+
+		PMD_DRV_LOG(DEBUG, "Old Portal=0x%x (%d) affined thread - %lu",
+			    dpaa2_io_portal[lcore_id].sec_dpio_dev,
+			    dpaa2_io_portal[lcore_id].sec_dpio_dev->index,
+			    tid);
+		return 0;
+	}
+
+	/* Populate the dpaa2_io_portal structure */
+	dpaa2_io_portal[lcore_id].sec_dpio_dev = dpaa2_get_qbman_swp();
+
+	if (dpaa2_io_portal[lcore_id].sec_dpio_dev) {
+		RTE_PER_LCORE(_dpaa2_io).sec_dpio_dev
+			= dpaa2_io_portal[lcore_id].sec_dpio_dev;
+		dpaa2_io_portal[lcore_id].sec_tid = tid;
+		return 0;
+	} else {
+		return -1;
+	}
+}
+
+int
 dpaa2_create_dpio_device(struct fslmc_vfio_device *vdev,
 			 struct vfio_device_info *obj_info,
 		int object_id)
diff --git a/drivers/bus/fslmc/portal/dpaa2_hw_dpio.h b/drivers/bus/fslmc/portal/dpaa2_hw_dpio.h
index 682f3fa..b1a1b8f 100644
--- a/drivers/bus/fslmc/portal/dpaa2_hw_dpio.h
+++ b/drivers/bus/fslmc/portal/dpaa2_hw_dpio.h
@@ -56,5 +56,8 @@ struct dpaa2_io_portal_t {
 /* Affine a DPIO portal to current processing thread */
 int dpaa2_affine_qbman_swp(void);
 
+/* Affine additional DPIO portal to current crypto processing thread */
+int dpaa2_affine_qbman_swp_sec(void);
+
 
 #endif /* _DPAA2_HW_DPIO_H_ */
diff --git a/drivers/bus/fslmc/rte_bus_fslmc_version.map b/drivers/bus/fslmc/rte_bus_fslmc_version.map
index 3d5c1ad..ed445e2 100644
--- a/drivers/bus/fslmc/rte_bus_fslmc_version.map
+++ b/drivers/bus/fslmc/rte_bus_fslmc_version.map
@@ -2,6 +2,7 @@ DPDK_17.05 {
 	global:
 
 	dpaa2_affine_qbman_swp;
+	dpaa2_affine_qbman_swp_sec;
 	dpaa2_alloc_dpbp_dev;
 	dpaa2_free_dpbp_dev;
 	dpbp_disable;
-- 
1.9.1