+#include "otx2_dev.h"
+#include "otx2_mbox.h"
+
+/**
+ * @internal
+ * Set default NPA configuration.
+ */
+void
+otx2_npa_set_defaults(struct otx2_idev_cfg *idev)
+{
+ idev->npa_pf_func = 0;
+ rte_atomic16_set(&idev->npa_refcnt, 0);
+}
+
+/**
+ * @internal
+ * Get intra device config structure.
+ */
+struct otx2_idev_cfg *
+otx2_intra_dev_get_cfg(void)
+{
+ const char name[] = "octeontx2_intra_device_conf";
+ const struct rte_memzone *mz;
+ struct otx2_idev_cfg *idev;
+
+ mz = rte_memzone_lookup(name);
+ if (mz != NULL)
+ return mz->addr;
+
+ /* Request for the first time */
+ mz = rte_memzone_reserve_aligned(name, sizeof(struct otx2_idev_cfg),
+ SOCKET_ID_ANY, 0, OTX2_ALIGN);
+ if (mz != NULL) {
+ idev = mz->addr;
+ idev->sso_pf_func = 0;
+ idev->npa_lf = NULL;
+ otx2_npa_set_defaults(idev);
+ return idev;
+ }
+ return NULL;
+}
+
+/**
+ * @internal
+ * Get SSO PF_FUNC.
+ */
+uint16_t
+otx2_sso_pf_func_get(void)
+{
+ struct otx2_idev_cfg *idev;
+ uint16_t sso_pf_func;
+
+ sso_pf_func = 0;
+ idev = otx2_intra_dev_get_cfg();
+
+ if (idev != NULL)
+ sso_pf_func = idev->sso_pf_func;
+
+ return sso_pf_func;
+}
+
+/**
+ * @internal
+ * Set SSO PF_FUNC.
+ */
+void
+otx2_sso_pf_func_set(uint16_t sso_pf_func)
+{
+ struct otx2_idev_cfg *idev;
+
+ idev = otx2_intra_dev_get_cfg();
+
+ if (idev != NULL) {
+ idev->sso_pf_func = sso_pf_func;
+ rte_smp_wmb();
+ }
+}
+
+/**
+ * @internal
+ * Get NPA PF_FUNC.
+ */
+uint16_t
+otx2_npa_pf_func_get(void)
+{
+ struct otx2_idev_cfg *idev;
+ uint16_t npa_pf_func;
+
+ npa_pf_func = 0;
+ idev = otx2_intra_dev_get_cfg();
+
+ if (idev != NULL)
+ npa_pf_func = idev->npa_pf_func;
+
+ return npa_pf_func;
+}
+
+/**
+ * @internal
+ * Get NPA lf object.
+ */
+struct otx2_npa_lf *
+otx2_npa_lf_obj_get(void)
+{
+ struct otx2_idev_cfg *idev;
+
+ idev = otx2_intra_dev_get_cfg();
+
+ if (idev != NULL && rte_atomic16_read(&idev->npa_refcnt))
+ return idev->npa_lf;
+
+ return NULL;
+}
+
+/**
+ * @internal
+ * Is NPA lf active for the given device?.
+ */
+int
+otx2_npa_lf_active(void *otx2_dev)
+{
+ struct otx2_dev *dev = otx2_dev;
+ struct otx2_idev_cfg *idev;
+
+ /* Check if npalf is actively used on this dev */
+ idev = otx2_intra_dev_get_cfg();
+ if (!idev || !idev->npa_lf || idev->npa_lf->mbox != dev->mbox)
+ return 0;
+
+ return rte_atomic16_read(&idev->npa_refcnt);
+}
+
+/*
+ * @internal
+ * Gets reference only to existing NPA LF object.
+ */
+int otx2_npa_lf_obj_ref(void)
+{
+ struct otx2_idev_cfg *idev;
+ uint16_t cnt;
+ int rc;
+
+ idev = otx2_intra_dev_get_cfg();
+
+ /* Check if ref not possible */
+ if (idev == NULL)
+ return -EINVAL;
+
+
+ /* Get ref only if > 0 */
+ cnt = rte_atomic16_read(&idev->npa_refcnt);
+ while (cnt != 0) {
+ rc = rte_atomic16_cmpset(&idev->npa_refcnt_u16, cnt, cnt + 1);
+ if (rc)
+ break;
+
+ cnt = rte_atomic16_read(&idev->npa_refcnt);
+ }
+
+ return cnt ? 0 : -EINVAL;
+}