X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;f=drivers%2Fmempool%2Focteontx%2Frte_mempool_octeontx.c;h=ab94dfe9131bdb7bc3dc8f5a8d7bb08ca4e3517b;hb=f73477e276720dc0fdb4ce8da130a2ab1c963846;hp=e96aebc67790a8bacb1058bf43224660dd0862c3;hpb=aaf4363e1e9e518c034c7ff9938a2faefde9854d;p=dpdk.git

diff --git a/drivers/mempool/octeontx/rte_mempool_octeontx.c b/drivers/mempool/octeontx/rte_mempool_octeontx.c
index e96aebc677..ab94dfe913 100644
--- a/drivers/mempool/octeontx/rte_mempool_octeontx.c
+++ b/drivers/mempool/octeontx/rte_mempool_octeontx.c
@@ -9,55 +9,18 @@
 
 #include "octeontx_fpavf.h"
 
-/*
- * Per-pool descriptor.
- * Links mempool with the corresponding memzone,
- * that provides memory under the pool's elements.
- */
-struct octeontx_pool_info {
-	const struct rte_mempool *mp;
-	uintptr_t mz_addr;
-
-	SLIST_ENTRY(octeontx_pool_info) link;
-};
-
-SLIST_HEAD(octeontx_pool_list, octeontx_pool_info);
-
-/* List of the allocated pools */
-static struct octeontx_pool_list octeontx_pool_head =
-				SLIST_HEAD_INITIALIZER(octeontx_pool_head);
-/* Spinlock to protect pool list */
-static rte_spinlock_t pool_list_lock = RTE_SPINLOCK_INITIALIZER;
-
 static int
 octeontx_fpavf_alloc(struct rte_mempool *mp)
 {
 	uintptr_t pool;
-	struct octeontx_pool_info *pool_info;
 	uint32_t memseg_count = mp->size;
 	uint32_t object_size;
-	uintptr_t va_start;
 	int rc = 0;
 
-	rte_spinlock_lock(&pool_list_lock);
-	SLIST_FOREACH(pool_info, &octeontx_pool_head, link) {
-		if (pool_info->mp == mp)
-			break;
-	}
-	if (pool_info == NULL) {
-		rte_spinlock_unlock(&pool_list_lock);
-		return -ENXIO;
-	}
-
-	/* virtual hugepage mapped addr */
-	va_start = pool_info->mz_addr;
-	rte_spinlock_unlock(&pool_list_lock);
-
 	object_size = mp->elt_size + mp->header_size + mp->trailer_size;
 
 	pool = octeontx_fpa_bufpool_create(object_size, memseg_count,
 						OCTEONTX_FPAVF_BUF_OFFSET,
-						(char **)&va_start,
 						mp->socket_id);
 	rc = octeontx_fpa_bufpool_block_size(pool);
 	if (rc < 0)
@@ -82,27 +45,9 @@ _end:
 static void
 octeontx_fpavf_free(struct rte_mempool *mp)
 {
-	struct octeontx_pool_info *pool_info;
 	uintptr_t pool;
-
 	pool = (uintptr_t)mp->pool_id;
 
-	rte_spinlock_lock(&pool_list_lock);
-	SLIST_FOREACH(pool_info, &octeontx_pool_head, link) {
-		if (pool_info->mp == mp)
-			break;
-	}
-
-	if (pool_info == NULL) {
-		rte_spinlock_unlock(&pool_list_lock);
-		rte_panic("%s: trying to free pool with no valid metadata",
-		    __func__);
-	}
-
-	SLIST_REMOVE(&octeontx_pool_head, pool_info, octeontx_pool_info, link);
-	rte_spinlock_unlock(&pool_list_lock);
-
-	rte_free(pool_info);
 	octeontx_fpa_bufpool_destroy(pool, mp->socket_id);
 }
 
@@ -181,35 +126,66 @@ octeontx_fpavf_get_count(const struct rte_mempool *mp)
 	return octeontx_fpa_bufpool_free_count(pool);
 }
 
-static int
-octeontx_fpavf_get_capabilities(const struct rte_mempool *mp,
-				unsigned int *flags)
+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)
 {
-	RTE_SET_USED(mp);
-	*flags |= (MEMPOOL_F_CAPA_PHYS_CONTIG |
-			MEMPOOL_F_CAPA_BLK_ALIGNED_OBJECTS);
-	return 0;
+	ssize_t mem_size;
+
+	/*
+	 * Simply need space for one more object to be able to
+	 * fulfil 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
-octeontx_fpavf_register_memory_area(const struct rte_mempool *mp,
-				    char *vaddr, rte_iova_t paddr, size_t len)
+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, void *obj_cb_arg)
 {
-	struct octeontx_pool_info *pool_info;
+	size_t total_elt_sz;
+	size_t off;
+	uint8_t gpool;
+	uintptr_t pool_bar;
+	int ret;
 
-	RTE_SET_USED(paddr);
-	RTE_SET_USED(len);
+	if (iova == RTE_BAD_IOVA)
+		return -EINVAL;
 
-	pool_info = rte_malloc("octeontx_pool_info", sizeof(*pool_info), 0);
-	if (pool_info == NULL)
-		return -ENOMEM;
+	total_elt_sz = mp->header_size + mp->elt_size + mp->trailer_size;
 
-	pool_info->mp = mp;
-	pool_info->mz_addr = (uintptr_t)vaddr;
-	rte_spinlock_lock(&pool_list_lock);
-	SLIST_INSERT_HEAD(&octeontx_pool_head, pool_info, link);
-	rte_spinlock_unlock(&pool_list_lock);
-	return 0;
+	/* 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;
+
+	gpool = octeontx_fpa_bufpool_gpool(mp->pool_id);
+	pool_bar = mp->pool_id & ~(uint64_t)FPA_GPOOL_MASK;
+
+	ret = octeontx_fpavf_pool_set_range(pool_bar, len, vaddr, gpool);
+	if (ret < 0)
+		return ret;
+
+	return rte_mempool_op_populate_default(mp, max_objs, vaddr, iova, len,
+					       obj_cb, obj_cb_arg);
 }
 
 static struct rte_mempool_ops octeontx_fpavf_ops = {
@@ -219,8 +195,8 @@ static struct rte_mempool_ops octeontx_fpavf_ops = {
 	.enqueue = octeontx_fpavf_enqueue,
 	.dequeue = octeontx_fpavf_dequeue,
 	.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,
+	.populate = octeontx_fpavf_populate,
 };
 
 MEMPOOL_REGISTER_OPS(octeontx_fpavf_ops);