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From: Santosh Shukla <santosh.shukla@caviumnetworks.com>
To: olivier.matz@6wind.com,
dev@dpdk.org
Cc: thomas@monjalon.net, jerin.jacob@caviumnetworks.com,
hemant.agrawal@nxp.com, Santosh Shukla <santosh.shukla@caviumnetworks.com>
Date: Sun, 8 Oct 2017 18:10:08 +0530
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Subject: [dpdk-dev] [PATCH v3 07/10] mempool/octeontx: add support for get
count
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Signed-off-by: Santosh Shukla <santosh.shukla@caviumnetworks.com>
Signed-off-by: Jerin Jacob <jerin.jacob@caviumnetworks.com>
---
drivers/mempool/octeontx/octeontx_fpavf.c | 27 +++++++++++++++++++++++++
drivers/mempool/octeontx/octeontx_fpavf.h | 2 ++
drivers/mempool/octeontx/rte_mempool_octeontx.c | 12 ++++++++++-
3 files changed, 40 insertions(+), 1 deletion(-)
diff --git a/drivers/mempool/octeontx/octeontx_fpavf.c b/drivers/mempool/octeontx/octeontx_fpavf.c
index 44253b09e..e4a0a7f42 100644
--- a/drivers/mempool/octeontx/octeontx_fpavf.c
+++ b/drivers/mempool/octeontx/octeontx_fpavf.c
@@ -483,6 +483,33 @@ octeontx_fpa_bufpool_block_size(uintptr_t handle)
return FPA_CACHE_LINE_2_OBJSZ(res->sz128);
}
+int
+octeontx_fpa_bufpool_free_count(uintptr_t handle)
+{
+ uint64_t cnt, limit, avail;
+ uint8_t gpool;
+ uintptr_t pool_bar;
+
+ if (unlikely(!octeontx_fpa_handle_valid(handle)))
+ return -EINVAL;
+
+ /* get the gpool */
+ gpool = octeontx_fpa_bufpool_gpool(handle);
+
+ /* Get pool bar address from handle */
+ pool_bar = handle & ~(uint64_t)FPA_GPOOL_MASK;
+
+ cnt = fpavf_read64((void *)((uintptr_t)pool_bar +
+ FPA_VF_VHAURA_CNT(gpool)));
+ limit = fpavf_read64((void *)((uintptr_t)pool_bar +
+ FPA_VF_VHAURA_CNT_LIMIT(gpool)));
+
+ avail = fpavf_read64((void *)((uintptr_t)pool_bar +
+ FPA_VF_VHPOOL_AVAILABLE(gpool)));
+
+ return RTE_MIN(avail, (limit - cnt));
+}
+
uintptr_t
octeontx_fpa_bufpool_create(unsigned int object_size, unsigned int object_count,
unsigned int buf_offset, char **va_start,
diff --git a/drivers/mempool/octeontx/octeontx_fpavf.h b/drivers/mempool/octeontx/octeontx_fpavf.h
index 28440e810..471fe711a 100644
--- a/drivers/mempool/octeontx/octeontx_fpavf.h
+++ b/drivers/mempool/octeontx/octeontx_fpavf.h
@@ -139,6 +139,8 @@ int
octeontx_fpa_bufpool_destroy(uintptr_t handle, int node);
int
octeontx_fpa_bufpool_block_size(uintptr_t handle);
+int
+octeontx_fpa_bufpool_free_count(uintptr_t handle);
static __rte_always_inline uint8_t
octeontx_fpa_bufpool_gpool(uintptr_t handle)
diff --git a/drivers/mempool/octeontx/rte_mempool_octeontx.c b/drivers/mempool/octeontx/rte_mempool_octeontx.c
index 10264a6bf..42d93b833 100644
--- a/drivers/mempool/octeontx/rte_mempool_octeontx.c
+++ b/drivers/mempool/octeontx/rte_mempool_octeontx.c
@@ -149,13 +149,23 @@ octeontx_fpavf_dequeue(struct rte_mempool *mp, void **obj_table,
return 0;
}
+static unsigned int
+octeontx_fpavf_get_count(const struct rte_mempool *mp)
+{
+ uintptr_t pool;
+
+ pool = (uintptr_t)mp->pool_id;
+
+ return octeontx_fpa_bufpool_free_count(pool);
+}
+
static struct rte_mempool_ops octeontx_fpavf_ops = {
.name = "octeontx_fpavf",
.alloc = octeontx_fpavf_alloc,
.free = octeontx_fpavf_free,
.enqueue = octeontx_fpavf_enqueue,
.dequeue = octeontx_fpavf_dequeue,
- .get_count = NULL,
+ .get_count = octeontx_fpavf_get_count,
.get_capabilities = NULL,
.register_memory_area = NULL,
};
--
2.14.1