X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;f=lib%2Flibrte_mempool%2Frte_mempool.c;h=6357fd48e7315f389a1f800137669179dda3f924;hb=b27a200d03310c161be15cd099d46c9c74c2c5eb;hp=92de395622bc965da8fef9d6864c840f1c32d5d2;hpb=3bbc406a8738a319f7d83d8caa5c837b73334433;p=dpdk.git

diff --git a/lib/librte_mempool/rte_mempool.c b/lib/librte_mempool/rte_mempool.c
index 92de395622..6357fd48e7 100644
--- a/lib/librte_mempool/rte_mempool.c
+++ b/lib/librte_mempool/rte_mempool.c
@@ -239,9 +239,15 @@ rte_mempool_calc_obj_size(uint32_t elt_size, uint32_t flags,
  */
 size_t
 rte_mempool_xmem_size(uint32_t elt_num, size_t total_elt_sz, uint32_t pg_shift,
-		      __rte_unused unsigned int flags)
+		      unsigned int flags)
 {
 	size_t obj_per_page, pg_num, pg_sz;
+	unsigned int mask;
+
+	mask = MEMPOOL_F_CAPA_BLK_ALIGNED_OBJECTS | MEMPOOL_F_CAPA_PHYS_CONTIG;
+	if ((flags & mask) == mask)
+		/* alignment need one additional object */
+		elt_num += 1;
 
 	if (total_elt_sz == 0)
 		return 0;
@@ -265,12 +271,18 @@ rte_mempool_xmem_size(uint32_t elt_num, size_t total_elt_sz, uint32_t pg_shift,
 ssize_t
 rte_mempool_xmem_usage(__rte_unused void *vaddr, uint32_t elt_num,
 	size_t total_elt_sz, const phys_addr_t paddr[], uint32_t pg_num,
-	uint32_t pg_shift, __rte_unused unsigned int flags)
+	uint32_t pg_shift, unsigned int flags)
 {
 	uint32_t elt_cnt = 0;
 	phys_addr_t start, end;
 	uint32_t paddr_idx;
 	size_t pg_sz = (size_t)1 << pg_shift;
+	unsigned int mask;
+
+	mask = MEMPOOL_F_CAPA_BLK_ALIGNED_OBJECTS | MEMPOOL_F_CAPA_PHYS_CONTIG;
+	if ((flags & mask) == mask)
+		/* alignment need one additional object */
+		elt_num += 1;
 
 	/* if paddr is NULL, assume contiguous memory */
 	if (paddr == NULL) {
@@ -355,6 +367,11 @@ rte_mempool_populate_phys(struct rte_mempool *mp, char *vaddr,
 	struct rte_mempool_memhdr *memhdr;
 	int ret;
 
+	/* Notify memory area to mempool */
+	ret = rte_mempool_ops_register_memory_area(mp, vaddr, paddr, len);
+	if (ret != -ENOTSUP && ret < 0)
+		return ret;
+
 	/* create the internal ring if not already done */
 	if ((mp->flags & MEMPOOL_F_POOL_CREATED) == 0) {
 		ret = rte_mempool_ops_alloc(mp);
@@ -369,6 +386,16 @@ rte_mempool_populate_phys(struct rte_mempool *mp, char *vaddr,
 
 	total_elt_sz = mp->header_size + mp->elt_size + mp->trailer_size;
 
+	/* Detect pool area has sufficient space for elements */
+	if (mp->flags & MEMPOOL_F_CAPA_PHYS_CONTIG) {
+		if (len < total_elt_sz * mp->size) {
+			RTE_LOG(ERR, MEMPOOL,
+				"pool area %" PRIx64 " not enough\n",
+				(uint64_t)len);
+			return -ENOSPC;
+		}
+	}
+
 	memhdr = rte_zmalloc("MEMPOOL_MEMHDR", sizeof(*memhdr), 0);
 	if (memhdr == NULL)
 		return -ENOMEM;
@@ -380,7 +407,10 @@ rte_mempool_populate_phys(struct rte_mempool *mp, char *vaddr,
 	memhdr->free_cb = free_cb;
 	memhdr->opaque = opaque;
 
-	if (mp->flags & MEMPOOL_F_NO_CACHE_ALIGN)
+	if (mp->flags & MEMPOOL_F_CAPA_BLK_ALIGNED_OBJECTS)
+		/* align object start address to a multiple of total_elt_sz */
+		off = total_elt_sz - ((uintptr_t)vaddr % total_elt_sz);
+	else if (mp->flags & MEMPOOL_F_NO_CACHE_ALIGN)
 		off = RTE_PTR_ALIGN_CEIL(vaddr, 8) - vaddr;
 	else
 		off = RTE_PTR_ALIGN_CEIL(vaddr, RTE_CACHE_LINE_SIZE) - vaddr;
@@ -474,8 +504,6 @@ rte_mempool_populate_virt(struct rte_mempool *mp, char *addr,
 		     mp->populated_size < mp->size; off += phys_len) {
 
 		paddr = rte_mem_virt2phy(addr + off);
-		/* required for xen_dom0 to get the machine address */
-		paddr = rte_mem_phy2mch(-1, paddr);
 
 		if (paddr == RTE_BAD_PHYS_ADDR && rte_eal_has_hugepages()) {
 			ret = -EINVAL;
@@ -487,7 +515,6 @@ rte_mempool_populate_virt(struct rte_mempool *mp, char *addr,
 			phys_addr_t paddr_tmp;
 
 			paddr_tmp = rte_mem_virt2phy(addr + off + phys_len);
-			paddr_tmp = rte_mem_phy2mch(-1, paddr_tmp);
 
 			if (paddr_tmp != paddr + phys_len)
 				break;
@@ -532,20 +559,13 @@ rte_mempool_populate_default(struct rte_mempool *mp)
 	/* Get mempool capabilities */
 	mp_flags = 0;
 	ret = rte_mempool_ops_get_capabilities(mp, &mp_flags);
-	if (ret == -ENOTSUP)
-		RTE_LOG(DEBUG, MEMPOOL, "get_capability not supported for %s\n",
-					mp->name);
-	else if (ret < 0)
+	if ((ret < 0) && (ret != -ENOTSUP))
 		return ret;
 
 	/* update mempool capabilities */
 	mp->flags |= mp_flags;
 
-	if (rte_xen_dom0_supported()) {
-		pg_sz = RTE_PGSIZE_2M;
-		pg_shift = rte_bsf32(pg_sz);
-		align = pg_sz;
-	} else if (rte_eal_has_hugepages()) {
+	if (rte_eal_has_hugepages()) {
 		pg_shift = 0; /* not needed, zone is physically contiguous */
 		pg_sz = 0;
 		align = RTE_CACHE_LINE_SIZE;
@@ -583,7 +603,7 @@ rte_mempool_populate_default(struct rte_mempool *mp)
 		else
 			paddr = mz->phys_addr;
 
-		if (rte_eal_has_hugepages() && !rte_xen_dom0_supported())
+		if (rte_eal_has_hugepages())
 			ret = rte_mempool_populate_phys(mp, mz->addr,
 				paddr, mz->len,
 				rte_mempool_memchunk_mz_free,