Custom callback is required to fullfil requirement to align
object virtual address to total object size.
Signed-off-by: Andrew Rybchenko <arybche...@solarflare.com>
---
drivers/mempool/octeontx/rte_mempool_octeontx.c | 28 +++++++++++++++++++++++++
1 file changed, 28 insertions(+)
diff --git a/drivers/mempool/octeontx/rte_mempool_octeontx.c
b/drivers/mempool/octeontx/rte_mempool_octeontx.c
index 4ec5efe..6563e80 100644
--- a/drivers/mempool/octeontx/rte_mempool_octeontx.c
+++ b/drivers/mempool/octeontx/rte_mempool_octeontx.c
@@ -174,6 +174,33 @@ octeontx_fpavf_register_memory_area(const struct
rte_mempool *mp,
return octeontx_fpavf_pool_set_range(pool_bar, len, vaddr, gpool);
}
+static int
+octeontx_fpavf_populate(struct rte_mempool *mp, unsigned int max_objs,
+ void *vaddr, rte_iova_t iova, size_t len,
+ rte_mempool_populate_obj_cb_t *obj_cb)
+{
+ size_t total_elt_sz;
+ size_t off;
+
+ if (iova == RTE_BAD_IOVA)
+ return -EINVAL;
+
+ total_elt_sz = mp->header_size + mp->elt_size + mp->trailer_size;
+
+ /* align object start address to a multiple of total_elt_sz */
+ off = total_elt_sz - ((uintptr_t)vaddr % total_elt_sz);
+
+ if (len < off)
+ return -EINVAL;
+
+ vaddr = (char *)vaddr + off;
+ iova += off;
+ len -= off;
+
+ return rte_mempool_populate_one_by_one(mp, max_objs, vaddr, iova, len,
+ obj_cb);
+}
+
static struct rte_mempool_ops octeontx_fpavf_ops = {
.name = "octeontx_fpavf",
.alloc = octeontx_fpavf_alloc,
@@ -184,6 +211,7 @@ static struct rte_mempool_ops octeontx_fpavf_ops = {
.get_capabilities = octeontx_fpavf_get_capabilities,
.register_memory_area = octeontx_fpavf_register_memory_area,
.calc_mem_size = octeontx_fpavf_calc_mem_size,
+ .populate = octeontx_fpavf_populate,
};
MEMPOOL_REGISTER_OPS(octeontx_fpavf_ops);
--
2.7.4
