> > > > When we run DPDK on guest or VFIO mode on host, > > > > the dpdk library or device will not be directly accessing > > > > the physical address. Instead, the device does go through > > > > an IO address translation memory management unit. On x86, > > > > we call it as IOMMU and on ARM as SMMU. > > > > > > > > More details: > > > > http://osidays.com/osidays/wp-content/uploads/2014/12/Final_OSI2014_IOMMU_DetailedView_Sanil_Anurup.pdf > > > > > > > > Based on discussion in the following thread > > > > http://dpdk.org/ml/archives/dev/2017-July/070850.html > > > > > > > > We would like to change reference to physical address to more > > > > appropriate name as with IOMMU/SMMU with > > > > the device won't be dealing directly with the physical address. > > > > > > > > An ABI change is planned for 17.11 to change following > > > > data structure or functions to more appropriate name. > > > > Currently planned to change it iova as instead of phys > > > > > > > > Please note: The change will be only for the name and > > > > functional aspects of the API will remain same. > > > > > > > > Following functions/data structures name may change. > > > > This list is based on v17.05-rc1. It may change based on v17.11 code > > > > base. > > > > > > > > > > > > typedef: > > > > phys_addr_t > > > > > > > > structures: > > > > > > > > struct rte_memseg::phys_addr > > > > struct rte_mbuf::buf_physaddr > > > > > > > > functions: > > > > rte_mempool_populate_phys() > > > > rte_mempool_populate_phys_tab() > > > > rte_eal_using_phys_addrs() > > > > rte_mem_virt2phy() > > > > rte_dump_physmem_layout() > > > > rte_eal_get_physmem_layout() > > > > rte_eal_get_physmem_size() > > > > rte_malloc_virt2phy() > > > > rte_mem_phy2mch() > > > > > > > > Signed-off-by: Jerin Jacob <jerin.ja...@caviumnetworks.com> > > > > > > Acked-by: Santosh Shukla <santosh.shu...@caviumnetworks.com> > > > > > Acked-by: Hemant Agrawal <hemant.agra...@nxp.com> > > Acked-by: Olivier Matz <olivier.m...@6wind.com>
Acked-by: Thomas Monjalon <tho...@monjalon.net> The name will probably be discussed. Applied, thanks
