[dpdk-dev,v4,7/7] mempool: update range info to pool
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Commit Message
HW pool manager e.g. Octeontx SoC demands s/w to program start and end
address of pool. Currently, there is no such handle in external mempool.
Introducing rte_mempool_update_range handle which will let HW(pool
manager)
know when common layer selects hugepage:
For each hugepage - update its start/end address to HW pool manager.
Signed-off-by: Santosh Shukla <santosh.shukla@caviumnetworks.com>
Signed-off-by: Jerin Jacob <jerin.jacob@caviumnetworks.com>
---
lib/librte_mempool/rte_mempool.c | 3 +++
lib/librte_mempool/rte_mempool.h | 22 ++++++++++++++++++++++
lib/librte_mempool/rte_mempool_ops.c | 13 +++++++++++++
lib/librte_mempool/rte_mempool_version.map | 1 +
4 files changed, 39 insertions(+)
@@ -363,6 +363,9 @@ rte_mempool_populate_phys(struct rte_mempool *mp, char *vaddr,
struct rte_mempool_memhdr *memhdr;
int ret;
+ /* update range info to mempool */
+ rte_mempool_ops_update_range(mp, vaddr, paddr, len);
+
/* create the internal ring if not already done */
if ((mp->flags & MEMPOOL_F_POOL_CREATED) == 0) {
ret = rte_mempool_ops_alloc(mp);
@@ -396,6 +396,11 @@ typedef unsigned (*rte_mempool_get_count)(const struct rte_mempool *mp);
*/
typedef int (*rte_mempool_get_capabilities_t)(struct rte_mempool *mp);
+/**
+ * Update range info to mempool.
+ */
+typedef void (*rte_mempool_update_range_t)(const struct rte_mempool *mp,
+ char *vaddr, phys_addr_t paddr, size_t len);
/** Structure defining mempool operations structure */
struct rte_mempool_ops {
@@ -406,6 +411,7 @@ struct rte_mempool_ops {
rte_mempool_dequeue_t dequeue; /**< Dequeue an object. */
rte_mempool_get_count get_count; /**< Get qty of available objs. */
rte_mempool_get_capabilities_t get_capabilities; /**< Get capability */
+ rte_mempool_update_range_t update_range; /**< Update range to mempool */
} __rte_cache_aligned;
#define RTE_MEMPOOL_MAX_OPS_IDX 16 /**< Max registered ops structs */
@@ -531,6 +537,22 @@ int
rte_mempool_ops_get_capabilities(struct rte_mempool *mp);
/**
+ * @internal wrapper for mempool_ops update_range callback.
+ *
+ * @param mp
+ * Pointer to the memory pool.
+ * @param vaddr
+ * Pointer to the buffer virtual address
+ * @param paddr
+ * Pointer to the buffer physical address
+ * @param len
+ * Pool size
+ */
+void
+rte_mempool_ops_update_range(const struct rte_mempool *mp,
+ char *vaddr, phys_addr_t paddr, size_t len);
+
+/**
* @internal wrapper for mempool_ops free callback.
*
* @param mp
@@ -87,6 +87,7 @@ rte_mempool_register_ops(const struct rte_mempool_ops *h)
ops->dequeue = h->dequeue;
ops->get_count = h->get_count;
ops->get_capabilities = h->get_capabilities;
+ ops->update_range = h->update_range;
rte_spinlock_unlock(&rte_mempool_ops_table.sl);
@@ -137,6 +138,18 @@ rte_mempool_ops_get_capabilities(struct rte_mempool *mp)
return ops->get_capabilities(mp);
}
+/* wrapper to update range info to external mempool */
+void
+rte_mempool_ops_update_range(const struct rte_mempool *mp, char *vaddr,
+ phys_addr_t paddr, size_t len)
+{
+ struct rte_mempool_ops *ops;
+
+ ops = rte_mempool_get_ops(mp->ops_index);
+ RTE_FUNC_PTR_OR_RET(ops->update_range);
+ ops->update_range(mp, vaddr, paddr, len);
+}
+
/* sets mempool ops previously registered by rte_mempool_register_ops. */
int
rte_mempool_set_ops_byname(struct rte_mempool *mp, const char *name,
@@ -46,5 +46,6 @@ DPDK_17.11 {
global:
rte_mempool_ops_get_capabilities;
+ rte_mempool_ops_update_range;
} DPDK_16.07;