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charset="us-ascii" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-AuthSource: CY4PR18MB1496.namprd18.prod.outlook.com X-MS-Exchange-CrossTenant-Network-Message-Id: e184c9d3-e50c-41d3-1898-08d85ba76d07 X-MS-Exchange-CrossTenant-originalarrivaltime: 18 Sep 2020 07:49:51.8123 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 70e1fb47-1155-421d-87fc-2e58f638b6e0 X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-CrossTenant-userprincipalname: HQgJWcHln8fcb5HRVcXpvCrxKc5fgia26cEuwR4CiBXq5gXKMN2f4zanNnY7QfZy6/cIlvu5m2ABMv/gJOOPjQ== X-MS-Exchange-Transport-CrossTenantHeadersStamped: CY4PR18MB1173 X-OriginatorOrg: marvell.com X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:6.0.235, 18.0.687 definitions=2020-09-18_06:2020-09-16, 2020-09-18 signatures=0 Subject: [dpdk-dev] rte APIs for allocating IOVA contiguous memory X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Sender: "dev" Apart from using rte_memzone_reserve_* APIs, is there any other way to allo= cate IOVA contiguous memory block in DPDK ? If I am correct there is no 'rte' API to allocate an anonymous IOVA contigu= ous memory block from a heap, right ?=20 My PMD needs to allocate many IOVA contiguous memory blocks of different si= zes 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 li= mit, 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 i= n VA mode. I can see rte_malloc_socket() but it does not provide any provision to pass= RTE_MEMZONE_IOVA_CONTIG flag to=20 malloc_heap_alloc(). Thanks, Devendra