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From: <jerinj@marvell.com>
To: <dev@dpdk.org>, Jerin Jacob <jerinj@marvell.com>, Nithin Dabilpuram
<ndabilpuram@marvell.com>, Vamsi Attunuru <vattunuru@marvell.com>
CC: Pavan Nikhilesh <pbhagavatula@marvell.com>
Date: Sat, 1 Jun 2019 07:19:01 +0530
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Subject: [dpdk-dev] [PATCH v2 23/27] mempool/octeontx2: add remaining slow
path ops
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From: Jerin Jacob <jerinj@marvell.com>
Add remaining get_count(), calc_mem_size() and populate() slow path
mempool operations.
Signed-off-by: Jerin Jacob <jerinj@marvell.com>
Signed-off-by: Pavan Nikhilesh <pbhagavatula@marvell.com>
---
drivers/mempool/octeontx2/otx2_mempool_ops.c | 62 ++++++++++++++++++++
1 file changed, 62 insertions(+)
diff --git a/drivers/mempool/octeontx2/otx2_mempool_ops.c b/drivers/mempool/octeontx2/otx2_mempool_ops.c
index 94570319a..966b7d7f1 100644
--- a/drivers/mempool/octeontx2/otx2_mempool_ops.c
+++ b/drivers/mempool/octeontx2/otx2_mempool_ops.c
@@ -7,6 +7,12 @@
#include "otx2_mempool.h"
+static unsigned int
+otx2_npa_get_count(const struct rte_mempool *mp)
+{
+ return (unsigned int)npa_lf_aura_op_available(mp->pool_id);
+}
+
static int
npa_lf_aura_pool_init(struct otx2_mbox *mbox, uint32_t aura_id,
struct npa_aura_s *aura, struct npa_pool_s *pool)
@@ -341,10 +347,66 @@ otx2_npa_free(struct rte_mempool *mp)
otx2_npa_lf_fini();
}
+static ssize_t
+otx2_npa_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
+ * fulfill alignment requirements.
+ */
+ mem_size = rte_mempool_op_calc_mem_size_default(mp, obj_num + 1,
+ pg_shift,
+ min_chunk_size, align);
+ if (mem_size >= 0) {
+ /*
+ * Memory area which contains objects must be physically
+ * contiguous.
+ */
+ *min_chunk_size = mem_size;
+ }
+
+ return mem_size;
+}
+
+static int
+otx2_npa_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, void *obj_cb_arg)
+{
+ 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;
+
+ npa_lf_aura_op_range_set(mp->pool_id, iova, iova + len);
+
+ return rte_mempool_op_populate_default(mp, max_objs, vaddr, iova, len,
+ obj_cb, obj_cb_arg);
+}
+
static struct rte_mempool_ops otx2_npa_ops = {
.name = "octeontx2_npa",
.alloc = otx2_npa_alloc,
.free = otx2_npa_free,
+ .get_count = otx2_npa_get_count,
+ .calc_mem_size = otx2_npa_calc_mem_size,
+ .populate = otx2_npa_populate,
};
MEMPOOL_REGISTER_OPS(otx2_npa_ops);
--
2.21.0