@@ -358,6 +358,45 @@ fslmc_dmamap_seg(const struct rte_memseg_list *msl __rte_unused,
return ret;
}
+int
+rte_fslmc_vfio_mem_dmamap(uint64_t vaddr, uint64_t iova, uint64_t size)
+{
+ int ret;
+ struct fslmc_vfio_group *group;
+ struct vfio_iommu_type1_dma_map dma_map = {
+ .argsz = sizeof(struct vfio_iommu_type1_dma_map),
+ .flags = VFIO_DMA_MAP_FLAG_READ | VFIO_DMA_MAP_FLAG_WRITE,
+ };
+
+ if (fslmc_iommu_type == RTE_VFIO_NOIOMMU) {
+ DPAA2_BUS_DEBUG("Running in NOIOMMU mode");
+ return 0;
+ }
+
+ /* SET DMA MAP for IOMMU */
+ group = &vfio_group;
+ if (!group->container) {
+ DPAA2_BUS_ERR("Container is not connected");
+ return -1;
+ }
+
+ dma_map.size = size;
+ dma_map.vaddr = vaddr;
+ dma_map.iova = iova;
+
+ DPAA2_BUS_DEBUG("VFIO dmamap 0x%llx:0x%llx, size 0x%llx\n",
+ dma_map.vaddr, dma_map.iova, dma_map.size);
+ ret = ioctl(group->container->fd, VFIO_IOMMU_MAP_DMA,
+ &dma_map);
+ if (ret) {
+ printf("Unable to map DMA address (errno = %d)\n",
+ errno);
+ return ret;
+ }
+
+ return 0;
+}
+
int rte_fslmc_vfio_dmamap(void)
{
int i = 0, ret;
@@ -1,7 +1,7 @@
/* SPDX-License-Identifier: BSD-3-Clause
*
* Copyright (c) 2015-2016 Freescale Semiconductor, Inc. All rights reserved.
- * Copyright 2016 NXP
+ * Copyright 2016,2019 NXP
*
*/
@@ -50,5 +50,8 @@ int fslmc_vfio_process_group(void);
char *fslmc_get_container(void);
int fslmc_get_container_group(int *gropuid);
int rte_fslmc_vfio_dmamap(void);
+__rte_experimental
+int
+rte_fslmc_vfio_mem_dmamap(uint64_t vaddr, uint64_t iova, uint64_t size);
#endif /* _FSLMC_VFIO_H_ */
@@ -141,3 +141,9 @@ DPDK_19.05 {
qbman_result_eqresp_set_rspid;
qbman_swp_enqueue_multiple_fd;
} DPDK_18.11;
+
+EXPERIMENTAL {
+ global:
+
+ rte_fslmc_vfio_mem_dmamap;
+};
@@ -23,6 +23,7 @@
#include <rte_dev.h>
#include "rte_dpaa2_mempool.h"
+#include "fslmc_vfio.h"
#include <fslmc_logs.h>
#include <mc/fsl_dpbp.h>
#include <portal/dpaa2_hw_pvt.h>
@@ -405,6 +406,18 @@ dpaa2_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 rte_memseg_list *msl;
+ /* The memsegment list exists incase the memory is not external.
+ * So, DMA-Map is required only when memory is provided by user,
+ * i.e. External.
+ */
+ msl = rte_mem_virt2memseg_list(vaddr);
+
+ if (!msl) {
+ DPAA2_MEMPOOL_DEBUG("Memsegment is External.\n");
+ rte_fslmc_vfio_mem_dmamap((size_t)vaddr,
+ (size_t)paddr, (size_t)len);
+ }
/* Insert entry into the PA->VA Table */
dpaax_iova_table_update(paddr, vaddr, len);