The driver requires one and only one physically contiguous
memory chunk for all objects.
Signed-off-by: Andrew Rybchenko <arybche...@solarflare.com>
---
drivers/mempool/octeontx/rte_mempool_octeontx.c | 25 +++++++++++++++++++++++++
1 file changed, 25 insertions(+)
diff --git a/drivers/mempool/octeontx/rte_mempool_octeontx.c
b/drivers/mempool/octeontx/rte_mempool_octeontx.c
index d143d05..4ec5efe 100644
--- a/drivers/mempool/octeontx/rte_mempool_octeontx.c
+++ b/drivers/mempool/octeontx/rte_mempool_octeontx.c
@@ -136,6 +136,30 @@ octeontx_fpavf_get_capabilities(const struct rte_mempool
*mp,
return 0;
}
+static ssize_t
+octeontx_fpavf_calc_mem_size(const struct rte_mempool *mp,
+ uint32_t obj_num, uint32_t pg_shift,
+ size_t *min_chunk_size, size_t *align)
+{
+ ssize_t mem_size;
+
+ /*
+ * Simply need space for one more object to be able to
+ * fullfil alignment requirements.
+ */
+ mem_size = rte_mempool_calc_mem_size_def(mp, obj_num + 1, pg_shift,
+ min_chunk_size, align);
+ if (mem_size >= 0) {
+ /*
+ * The whole memory area containing the objects must be
+ * physically contiguous.
+ */
+ *min_chunk_size = mem_size;
+ }
+
+ return mem_size;
+}
+
static int
octeontx_fpavf_register_memory_area(const struct rte_mempool *mp,
char *vaddr, rte_iova_t paddr, size_t len)
@@ -159,6 +183,7 @@ static struct rte_mempool_ops octeontx_fpavf_ops = {
.get_count = octeontx_fpavf_get_count,
.get_capabilities = octeontx_fpavf_get_capabilities,
.register_memory_area = octeontx_fpavf_register_memory_area,
+ .calc_mem_size = octeontx_fpavf_calc_mem_size,
};
MEMPOOL_REGISTER_OPS(octeontx_fpavf_ops);
--
2.7.4
