-/*-
- * BSD LICENSE
+/* SPDX-License-Identifier: BSD-3-Clause
*
- * Copyright 2017 NXP.
+ * Copyright 2017 NXP
*
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * * Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * * Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in
- * the documentation and/or other materials provided with the
- * distribution.
- * * Neither the name of NXP nor the names of its
- * contributors may be used to endorse or promote products derived
- * from this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
/* System headers */
#include <rte_log.h>
#include <rte_debug.h>
#include <rte_memory.h>
-#include <rte_memzone.h>
#include <rte_tailq.h>
#include <rte_eal.h>
#include <rte_malloc.h>
#include <rte_ring.h>
#include <dpaa_mempool.h>
+#include <dpaax_iova_table.h>
+
+/* List of all the memseg information locally maintained in dpaa driver. This
+ * is to optimize the PA_to_VA searches until a better mechanism (algo) is
+ * available.
+ */
+struct dpaa_memseg_list rte_dpaa_memsegs
+ = TAILQ_HEAD_INITIALIZER(rte_dpaa_memsegs);
struct dpaa_bp_info rte_dpaa_bpid_info[DPAA_MAX_BPOOLS];
rte_dpaa_bpid_info[bpid].meta_data_size =
sizeof(struct rte_mbuf) + rte_pktmbuf_priv_size(mp);
rte_dpaa_bpid_info[bpid].dpaa_ops_index = mp->ops_index;
+ rte_dpaa_bpid_info[bpid].ptov_off = 0;
+ rte_dpaa_bpid_info[bpid].flags = 0;
bp_info = rte_malloc(NULL,
sizeof(struct dpaa_bp_info),
struct bm_buffer buf;
int ret;
- DPAA_MEMPOOL_DEBUG("Free 0x%lx to bpid: %d", addr, bp_info->bpid);
+ DPAA_MEMPOOL_DPDEBUG("Free 0x%" PRIx64 " to bpid: %d",
+ addr, bp_info->bpid);
bm_buffer_set64(&buf, addr);
retry:
DPAA_MEMPOOL_DPDEBUG("Request to free %d buffers in bpid = %d",
n, bp_info->bpid);
- ret = rte_dpaa_portal_init((void *)0);
- if (ret) {
- DPAA_MEMPOOL_ERR("rte_dpaa_portal_init failed with ret: %d",
- ret);
- return 0;
+ if (unlikely(!RTE_PER_LCORE(dpaa_io))) {
+ ret = rte_dpaa_portal_init((void *)0);
+ if (ret) {
+ DPAA_MEMPOOL_ERR("rte_dpaa_portal_init failed with ret: %d",
+ ret);
+ return 0;
+ }
}
while (i < n) {
+ uint64_t phy = rte_mempool_virt2iova(obj_table[i]);
+
+ if (unlikely(!bp_info->ptov_off)) {
+ /* buffers are from single mem segment */
+ if (bp_info->flags & DPAA_MPOOL_SINGLE_SEGMENT) {
+ bp_info->ptov_off = (size_t)obj_table[i] - phy;
+ rte_dpaa_bpid_info[bp_info->bpid].ptov_off
+ = bp_info->ptov_off;
+ }
+ }
+
dpaa_buf_free(bp_info,
- (uint64_t)rte_mempool_virt2phy(pool,
- obj_table[i]) + bp_info->meta_data_size);
+ (uint64_t)phy + bp_info->meta_data_size);
i = i + 1;
}
return -1;
}
- ret = rte_dpaa_portal_init((void *)0);
- if (ret) {
- DPAA_MEMPOOL_ERR("rte_dpaa_portal_init failed with ret: %d",
- ret);
- return -1;
+ if (unlikely(!RTE_PER_LCORE(dpaa_io))) {
+ ret = rte_dpaa_portal_init((void *)0);
+ if (ret) {
+ DPAA_MEMPOOL_ERR("rte_dpaa_portal_init failed with ret: %d",
+ ret);
+ return -1;
+ }
}
while (n < count) {
* i.e. first buffer is valid, remaining 6 buffers
* may be null.
*/
- bufaddr = (void *)rte_dpaa_mem_ptov(bufs[i].addr);
+ bufaddr = DPAA_MEMPOOL_PTOV(bp_info, bufs[i].addr);
m[n] = (struct rte_mbuf *)((char *)bufaddr
- bp_info->meta_data_size);
DPAA_MEMPOOL_DPDEBUG("Paddr (%p), FD (%p) from BMAN",
return bman_query_free_buffers(bp_info->bp);
}
-struct rte_mempool_ops dpaa_mpool_ops = {
- .name = "dpaa",
+static int
+dpaa_populate(struct rte_mempool *mp, unsigned int max_objs,
+ void *vaddr, rte_iova_t paddr, size_t len,
+ rte_mempool_populate_obj_cb_t *obj_cb, void *obj_cb_arg)
+{
+ struct dpaa_bp_info *bp_info;
+ unsigned int total_elt_sz;
+
+ MEMPOOL_INIT_FUNC_TRACE();
+
+ if (!mp || !mp->pool_data) {
+ DPAA_MEMPOOL_ERR("Invalid mempool provided\n");
+ return 0;
+ }
+
+ /* Update the PA-VA Table */
+ dpaax_iova_table_update(paddr, vaddr, len);
+
+ bp_info = DPAA_MEMPOOL_TO_POOL_INFO(mp);
+ total_elt_sz = mp->header_size + mp->elt_size + mp->trailer_size;
+
+ DPAA_MEMPOOL_DEBUG("Req size %" PRIx64 " vs Available %u\n",
+ (uint64_t)len, total_elt_sz * mp->size);
+
+ /* Detect pool area has sufficient space for elements in this memzone */
+ if (len >= total_elt_sz * mp->size)
+ bp_info->flags |= DPAA_MPOOL_SINGLE_SEGMENT;
+ struct dpaa_memseg *ms;
+
+ /* For each memory chunk pinned to the Mempool, a linked list of the
+ * contained memsegs is created for searching when PA to VA
+ * conversion is required.
+ */
+ ms = rte_zmalloc(NULL, sizeof(struct dpaa_memseg), 0);
+ if (!ms) {
+ DPAA_MEMPOOL_ERR("Unable to allocate internal memory.");
+ DPAA_MEMPOOL_WARN("Fast Physical to Virtual Addr translation would not be available.");
+ /* If the element is not added, it would only lead to failure
+ * in searching for the element and the logic would Fallback
+ * to traditional DPDK memseg traversal code. So, this is not
+ * a blocking error - but, error would be printed on screen.
+ */
+ return 0;
+ }
+
+ ms->vaddr = vaddr;
+ ms->iova = paddr;
+ ms->len = len;
+ /* Head insertions are generally faster than tail insertions as the
+ * buffers pinned are picked from rear end.
+ */
+ TAILQ_INSERT_HEAD(&rte_dpaa_memsegs, ms, next);
+
+ return rte_mempool_op_populate_default(mp, max_objs, vaddr, paddr, len,
+ obj_cb, obj_cb_arg);
+}
+
+static const struct rte_mempool_ops dpaa_mpool_ops = {
+ .name = DPAA_MEMPOOL_OPS_NAME,
.alloc = dpaa_mbuf_create_pool,
.free = dpaa_mbuf_free_pool,
.enqueue = dpaa_mbuf_free_bulk,
.dequeue = dpaa_mbuf_alloc_bulk,
.get_count = dpaa_mbuf_get_count,
+ .populate = dpaa_populate,
};
MEMPOOL_REGISTER_OPS(dpaa_mpool_ops);