From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from dispatch1-us1.ppe-hosted.com (dispatch1-us1.ppe-hosted.com [148.163.129.52]) by dpdk.org (Postfix) with ESMTP id 59EC81B01F for ; Tue, 23 Jan 2018 14:16:53 +0100 (CET) X-Virus-Scanned: Proofpoint Essentials engine Received: from webmail.solarflare.com (webmail.solarflare.com [12.187.104.26]) (using TLSv1 with cipher ECDHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1-us4.ppe-hosted.com (Proofpoint Essentials ESMTP Server) with ESMTPS id 7EF95BC005E; Tue, 23 Jan 2018 13:16:52 +0000 (UTC) Received: from ocex03.SolarFlarecom.com (10.20.40.36) by ocex03.SolarFlarecom.com (10.20.40.36) with Microsoft SMTP Server (TLS) id 15.0.1044.25; Tue, 23 Jan 2018 05:16:49 -0800 Received: from opal.uk.solarflarecom.com (10.17.10.1) by ocex03.SolarFlarecom.com (10.20.40.36) with Microsoft SMTP Server (TLS) id 15.0.1044.25 via Frontend Transport; Tue, 23 Jan 2018 05:16:49 -0800 Received: from uklogin.uk.solarflarecom.com (uklogin.uk.solarflarecom.com [10.17.10.10]) by opal.uk.solarflarecom.com (8.13.8/8.13.8) with ESMTP id w0NDGmET006406; Tue, 23 Jan 2018 13:16:48 GMT Received: from uklogin.uk.solarflarecom.com (localhost.localdomain [127.0.0.1]) by uklogin.uk.solarflarecom.com (8.13.8/8.13.8) with ESMTP id w0NDGlee010689; Tue, 23 Jan 2018 13:16:48 GMT From: Andrew Rybchenko To: CC: Olivier Matz , Santosh Shukla , Jerin Jacob Date: Tue, 23 Jan 2018 13:16:00 +0000 Message-ID: <1516713372-10572-6-git-send-email-arybchenko@solarflare.com> X-Mailer: git-send-email 1.8.2.3 In-Reply-To: <1516713372-10572-1-git-send-email-arybchenko@solarflare.com> References: <1511539591-20966-1-git-send-email-arybchenko@solarflare.com> <1516713372-10572-1-git-send-email-arybchenko@solarflare.com> MIME-Version: 1.0 Content-Type: text/plain X-MDID: 1516713413-dbQDtHWrnr7E Subject: [dpdk-dev] [RFC v2 05/17] mempool/octeontx: implement callback to populate objects 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: , X-List-Received-Date: Tue, 23 Jan 2018 13:16:53 -0000 Custom callback is required to fullfil requirement to align object virtual address to total object size. Signed-off-by: Andrew Rybchenko --- drivers/mempool/octeontx/rte_mempool_octeontx.c | 28 +++++++++++++++++++++++++ 1 file changed, 28 insertions(+) diff --git a/drivers/mempool/octeontx/rte_mempool_octeontx.c b/drivers/mempool/octeontx/rte_mempool_octeontx.c index 4ec5efe..6563e80 100644 --- a/drivers/mempool/octeontx/rte_mempool_octeontx.c +++ b/drivers/mempool/octeontx/rte_mempool_octeontx.c @@ -174,6 +174,33 @@ octeontx_fpavf_register_memory_area(const struct rte_mempool *mp, return octeontx_fpavf_pool_set_range(pool_bar, len, vaddr, gpool); } +static int +octeontx_fpavf_populate(struct rte_mempool *mp, unsigned int max_objs, + void *vaddr, rte_iova_t iova, size_t len, + rte_mempool_populate_obj_cb_t *obj_cb) +{ + size_t total_elt_sz; + size_t off; + + if (iova == RTE_BAD_IOVA) + return -EINVAL; + + total_elt_sz = mp->header_size + mp->elt_size + mp->trailer_size; + + /* align object start address to a multiple of total_elt_sz */ + off = total_elt_sz - ((uintptr_t)vaddr % total_elt_sz); + + if (len < off) + return -EINVAL; + + vaddr = (char *)vaddr + off; + iova += off; + len -= off; + + return rte_mempool_populate_one_by_one(mp, max_objs, vaddr, iova, len, + obj_cb); +} + static struct rte_mempool_ops octeontx_fpavf_ops = { .name = "octeontx_fpavf", .alloc = octeontx_fpavf_alloc, @@ -184,6 +211,7 @@ static struct rte_mempool_ops octeontx_fpavf_ops = { .get_capabilities = octeontx_fpavf_get_capabilities, .register_memory_area = octeontx_fpavf_register_memory_area, .calc_mem_size = octeontx_fpavf_calc_mem_size, + .populate = octeontx_fpavf_populate, }; MEMPOOL_REGISTER_OPS(octeontx_fpavf_ops); -- 2.7.4