DPDK patches and discussions
 help / color / mirror / Atom feed
* [dpdk-dev] rte APIs for allocating IOVA contiguous memory
@ 2020-09-18  7:49 Devendra Singh Rawat
  0 siblings, 0 replies; only message in thread
From: Devendra Singh Rawat @ 2020-09-18  7:49 UTC (permalink / raw)
  To: dev

Apart from using rte_memzone_reserve_* APIs, is there any other way to allocate IOVA contiguous memory block in DPDK ?
If I am correct there is no 'rte' API to allocate an anonymous IOVA contiguous memory block from a heap, right ? 

My PMD needs to allocate many IOVA contiguous memory blocks of different sizes according to parameters passed to DPDK application.
These blocks are shared by PMD and HW.
I can't use mempool as block size is not fixed.
I can't use rte_memzone_reserve_* either as I am hitting RTE_MAX_MEMZONE limit, and setting this limit to a higher value is not an option for me.
I also can't enforce the policies of using legacy memory model, and IOMMU in VA mode.

I can see rte_malloc_socket() but it does not provide any provision to pass RTE_MEMZONE_IOVA_CONTIG flag to 


^ permalink raw reply	[flat|nested] only message in thread

only message in thread, other threads:[~2020-09-18  7:49 UTC | newest]

Thread overview: (only message) (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2020-09-18  7:49 [dpdk-dev] rte APIs for allocating IOVA contiguous memory Devendra Singh Rawat

This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).