Patch Detail
get:
Show a patch.
patch:
Update a patch.
put:
Update a patch.
GET /api/patches/19803/?format=api
{ "id": 19803, "url": "http://patches.dpdk.org/api/patches/19803/?format=api", "web_url": "http://patches.dpdk.org/project/dpdk/patch/1484832240-2048-35-git-send-email-hemant.agrawal@nxp.com/", "project": { "id": 1, "url": "http://patches.dpdk.org/api/projects/1/?format=api", "name": "DPDK", "link_name": "dpdk", "list_id": "dev.dpdk.org", "list_email": "dev@dpdk.org", "web_url": "http://core.dpdk.org", "scm_url": "git://dpdk.org/dpdk", "webscm_url": "http://git.dpdk.org/dpdk", "list_archive_url": "https://inbox.dpdk.org/dev", "list_archive_url_format": "https://inbox.dpdk.org/dev/{}", "commit_url_format": "" }, "msgid": "<1484832240-2048-35-git-send-email-hemant.agrawal@nxp.com>", "list_archive_url": "https://inbox.dpdk.org/dev/1484832240-2048-35-git-send-email-hemant.agrawal@nxp.com", "date": "2017-01-19T13:23:59", "name": "[dpdk-dev,PATCHv5,32/33] bus/fslmc: add support for dmamap to ARM SMMU", "commit_ref": null, "pull_url": null, "state": "superseded", "archived": true, "hash": "d4be62700a9b37c0dc8b9650d39b326f67c129bd", "submitter": { "id": 477, "url": "http://patches.dpdk.org/api/people/477/?format=api", "name": "Hemant Agrawal", "email": "hemant.agrawal@nxp.com" }, "delegate": { "id": 319, "url": "http://patches.dpdk.org/api/users/319/?format=api", "username": "fyigit", "first_name": "Ferruh", "last_name": "Yigit", "email": "ferruh.yigit@amd.com" }, "mbox": "http://patches.dpdk.org/project/dpdk/patch/1484832240-2048-35-git-send-email-hemant.agrawal@nxp.com/mbox/", "series": [], "comments": "http://patches.dpdk.org/api/patches/19803/comments/", "check": "success", "checks": "http://patches.dpdk.org/api/patches/19803/checks/", "tags": {}, "related": [], "headers": { "Return-Path": "<dev-bounces@dpdk.org>", "X-Original-To": "patchwork@dpdk.org", "Delivered-To": "patchwork@dpdk.org", "Received": [ "from [92.243.14.124] (localhost [IPv6:::1])\n\tby dpdk.org (Postfix) with ESMTP id D428AFA50;\n\tThu, 19 Jan 2017 14:26:34 +0100 (CET)", "from NAM03-DM3-obe.outbound.protection.outlook.com\n\t(mail-dm3nam03on0088.outbound.protection.outlook.com [104.47.41.88])\n\tby dpdk.org (Postfix) with ESMTP id 33C67F94D\n\tfor <dev@dpdk.org>; Thu, 19 Jan 2017 14:26:03 +0100 (CET)", "from DM2PR03CA0039.namprd03.prod.outlook.com (10.141.96.38) by\n\tCY1PR0301MB0748.namprd03.prod.outlook.com (10.160.159.154) with\n\tMicrosoft SMTP Server (version=TLS1_2,\n\tcipher=TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384_P384) id 15.1.845.12;\n\tThu, 19 Jan 2017 13:26:00 +0000", "from BN1BFFO11FD010.protection.gbl (2a01:111:f400:7c10::1:152) by\n\tDM2PR03CA0039.outlook.office365.com (2a01:111:e400:2428::38) with\n\tMicrosoft SMTP Server (version=TLS1_2,\n\tcipher=TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384_P384) id 15.1.860.13 via\n\tFrontend Transport; Thu, 19 Jan 2017 13:26:00 +0000", "from tx30smr01.am.freescale.net (192.88.168.50) by\n\tBN1BFFO11FD010.mail.protection.outlook.com (10.58.144.73) with\n\tMicrosoft SMTP Server (version=TLS1_0,\n\tcipher=TLS_RSA_WITH_AES_256_CBC_SHA) id 15.1.803.8\n\tvia Frontend Transport; Thu, 19 Jan 2017 13:25:57 +0000", "from bf-netperf1.idc ([10.232.134.28])\n\tby tx30smr01.am.freescale.net (8.14.3/8.14.0) with ESMTP id\n\tv0JDO4fA015351; Thu, 19 Jan 2017 06:25:55 -0700" ], "Authentication-Results": "spf=fail (sender IP is 192.88.168.50)\n\tsmtp.mailfrom=nxp.com; nxp.com; dkim=none (message not signed)\n\theader.d=none; nxp.com; dmarc=fail action=none header.from=nxp.com;\n\tnxp.com; \n\tdkim=none (message not signed) header.d=none;", "Received-SPF": "Fail (protection.outlook.com: domain of nxp.com does not\n\tdesignate 192.88.168.50 as permitted sender)\n\treceiver=protection.outlook.com; \n\tclient-ip=192.88.168.50; helo=tx30smr01.am.freescale.net;", "From": "Hemant Agrawal <hemant.agrawal@nxp.com>", "To": "<dev@dpdk.org>", "CC": "<thomas.monjalon@6wind.com>, <bruce.richardson@intel.com>,\n\t<shreyansh.jain@nxp.com>, <john.mcnamara@intel.com>,\n\t<ferruh.yigit@intel.com>, <jerin.jacob@caviumnetworks.com>,\n\tHemant Agrawal <hemant.agrawal@nxp.com>", "Date": "Thu, 19 Jan 2017 18:53:59 +0530", "Message-ID": "<1484832240-2048-35-git-send-email-hemant.agrawal@nxp.com>", "X-Mailer": "git-send-email 1.9.1", "In-Reply-To": "<1484832240-2048-1-git-send-email-hemant.agrawal@nxp.com>", "References": "<1484679174-4174-1-git-send-email-hemant.agrawal@nxp.com>\n\t<1484832240-2048-1-git-send-email-hemant.agrawal@nxp.com>", "X-EOPAttributedMessage": "0", "X-Matching-Connectors": "131293059596687959;\n\t(91ab9b29-cfa4-454e-5278-08d120cd25b8); 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\n\tHelo=[tx30smr01.am.freescale.net]", "X-MS-Exchange-CrossTenant-FromEntityHeader": "HybridOnPrem", "X-MS-Exchange-Transport-CrossTenantHeadersStamped": "CY1PR0301MB0748", "Subject": "[dpdk-dev] [PATCHv5 32/33] bus/fslmc: add support for dmamap to ARM\n\tSMMU", "X-BeenThere": "dev@dpdk.org", "X-Mailman-Version": "2.1.15", "Precedence": "list", "List-Id": "DPDK patches and discussions <dev.dpdk.org>", "List-Unsubscribe": "<http://dpdk.org/ml/options/dev>,\n\t<mailto:dev-request@dpdk.org?subject=unsubscribe>", "List-Archive": "<http://dpdk.org/ml/archives/dev/>", "List-Post": "<mailto:dev@dpdk.org>", "List-Help": "<mailto:dev-request@dpdk.org?subject=help>", "List-Subscribe": "<http://dpdk.org/ml/listinfo/dev>,\n\t<mailto:dev-request@dpdk.org?subject=subscribe>", "Errors-To": "dev-bounces@dpdk.org", "Sender": "\"dev\" <dev-bounces@dpdk.org>" }, "content": "Signed-off-by: Hemant Agrawal <hemant.agrawal@nxp.com>\n---\n drivers/bus/fslmc/fslmc_vfio.c | 96 ++++++++++++++++++++++++++\n drivers/bus/fslmc/fslmc_vfio.h | 1 +\n drivers/bus/fslmc/rte_pmd_fslmcbus_version.map | 1 +\n drivers/net/dpaa2/dpaa2_ethdev.c | 2 +\n 4 files changed, 100 insertions(+)", "diff": "diff --git a/drivers/bus/fslmc/fslmc_vfio.c b/drivers/bus/fslmc/fslmc_vfio.c\nindex 2bfd7fd..bea32b5 100644\n--- a/drivers/bus/fslmc/fslmc_vfio.c\n+++ b/drivers/bus/fslmc/fslmc_vfio.c\n@@ -76,8 +76,10 @@\n static struct fslmc_vfio_group vfio_groups[VFIO_MAX_GRP];\n static struct fslmc_vfio_container vfio_containers[VFIO_MAX_CONTAINERS];\n static int container_device_fd;\n+static uint32_t *msi_intr_vaddr;\n void *(*mcp_ptr_list);\n static uint32_t mcp_id;\n+static int is_dma_done;\n \n static int vfio_connect_container(struct fslmc_vfio_group *vfio_group)\n {\n@@ -147,6 +149,35 @@ static int vfio_connect_container(struct fslmc_vfio_group *vfio_group)\n \treturn 0;\n }\n \n+static int vfio_map_irq_region(struct fslmc_vfio_group *group)\n+{\n+\tint ret;\n+\tunsigned long *vaddr = NULL;\n+\tstruct vfio_iommu_type1_dma_map map = {\n+\t\t.argsz = sizeof(map),\n+\t\t.flags = VFIO_DMA_MAP_FLAG_READ | VFIO_DMA_MAP_FLAG_WRITE,\n+\t\t.vaddr = 0x6030000,\n+\t\t.iova = 0x6030000,\n+\t\t.size = 0x1000,\n+\t};\n+\n+\tvaddr = (unsigned long *)mmap(NULL, 0x1000, PROT_WRITE |\n+\t\tPROT_READ, MAP_SHARED, container_device_fd, 0x6030000);\n+\tif (vaddr == MAP_FAILED) {\n+\t\tFSLMC_VFIO_LOG(ERR, \"Unable to map region (errno = %d)\", errno);\n+\t\treturn -errno;\n+\t}\n+\n+\tmsi_intr_vaddr = (uint32_t *)((char *)(vaddr) + 64);\n+\tmap.vaddr = (unsigned long)vaddr;\n+\tret = ioctl(group->container->fd, VFIO_IOMMU_MAP_DMA, &map);\n+\tif (ret == 0)\n+\t\treturn 0;\n+\n+\tFSLMC_VFIO_LOG(ERR, \"VFIO_IOMMU_MAP_DMA fails (errno = %d)\", errno);\n+\treturn -errno;\n+}\n+\n int vfio_dmamap_mem_region(uint64_t vaddr,\n \t\t\t uint64_t iova,\n \t\t\t uint64_t size)\n@@ -170,6 +201,71 @@ int vfio_dmamap_mem_region(uint64_t vaddr,\n \treturn 0;\n }\n \n+int fslmc_vfio_dmamap(void)\n+{\n+\tint ret;\n+\tstruct fslmc_vfio_group *group;\n+\tstruct vfio_iommu_type1_dma_map dma_map = {\n+\t\t.argsz = sizeof(struct vfio_iommu_type1_dma_map),\n+\t\t.flags = VFIO_DMA_MAP_FLAG_READ | VFIO_DMA_MAP_FLAG_WRITE,\n+\t};\n+\n+\tint i;\n+\tconst struct rte_memseg *memseg;\n+\n+\tif (is_dma_done)\n+\t\treturn 0;\n+\tis_dma_done = 1;\n+\n+\tfor (i = 0; i < RTE_MAX_MEMSEG; i++) {\n+\t\tmemseg = rte_eal_get_physmem_layout();\n+\t\tif (memseg == NULL) {\n+\t\t\tFSLMC_VFIO_LOG(ERR, \"Cannot get physical layout.\");\n+\t\t\treturn -ENODEV;\n+\t\t}\n+\n+\t\tif (memseg[i].addr == NULL && memseg[i].len == 0)\n+\t\t\tbreak;\n+\n+\t\tdma_map.size = memseg[i].len;\n+\t\tdma_map.vaddr = memseg[i].addr_64;\n+#ifdef RTE_LIBRTE_DPAA2_USE_PHYS_IOVA\n+\t\tdma_map.iova = memseg[i].phys_addr;\n+#else\n+\t\tdma_map.iova = dma_map.vaddr;\n+#endif\n+\n+\t\t/* SET DMA MAP for IOMMU */\n+\t\tgroup = &vfio_groups[0];\n+\n+\t\tif (!group->container) {\n+\t\t\tFSLMC_VFIO_LOG(ERR, \"Container is not connected \");\n+\t\t\treturn -1;\n+\t\t}\n+\n+\t\tFSLMC_VFIO_LOG(DEBUG, \"-->Initial SHM Virtual ADDR %llX\",\n+\t\t\t dma_map.vaddr);\n+\t\tFSLMC_VFIO_LOG(DEBUG, \"-----> DMA size 0x%llX\\n\", dma_map.size);\n+\t\tret = ioctl(group->container->fd, VFIO_IOMMU_MAP_DMA,\n+\t\t\t &dma_map);\n+\t\tif (ret) {\n+\t\t\tFSLMC_VFIO_LOG(ERR, \"VFIO_IOMMU_MAP_DMA API\"\n+\t\t\t\t \"(errno = %d)\", errno);\n+\t\t\treturn ret;\n+\t\t}\n+\t\tFSLMC_VFIO_LOG(DEBUG, \"-----> dma_map.vaddr = 0x%llX\",\n+\t\t\t dma_map.vaddr);\n+\t}\n+\n+\t/* TODO - This is a W.A. as VFIO currently does not add the mapping of\n+\t * the interrupt region to SMMU. This should be removed once the\n+\t * support is added in the Kernel.\n+\t */\n+\tvfio_map_irq_region(group);\n+\n+\treturn 0;\n+}\n+\n static int64_t vfio_map_mcp_obj(struct fslmc_vfio_group *group, char *mcp_obj)\n {\n \tint64_t v_addr = (int64_t)MAP_FAILED;\ndiff --git a/drivers/bus/fslmc/fslmc_vfio.h b/drivers/bus/fslmc/fslmc_vfio.h\nindex 80c6869..7d562d3 100644\n--- a/drivers/bus/fslmc/fslmc_vfio.h\n+++ b/drivers/bus/fslmc/fslmc_vfio.h\n@@ -70,6 +70,7 @@ int vfio_dmamap_mem_region(\n \n int fslmc_vfio_setup_group(void);\n int fslmc_vfio_process_group(void);\n+int fslmc_vfio_dmamap(void);\n \n /* create dpio device */\n int dpaa2_create_dpio_device(struct fslmc_vfio_device *vdev,\ndiff --git a/drivers/bus/fslmc/rte_pmd_fslmcbus_version.map b/drivers/bus/fslmc/rte_pmd_fslmcbus_version.map\nindex 6937ad0..17befc7 100644\n--- a/drivers/bus/fslmc/rte_pmd_fslmcbus_version.map\n+++ b/drivers/bus/fslmc/rte_pmd_fslmcbus_version.map\n@@ -49,6 +49,7 @@ DPDK_17.02 {\n dpseci_open;\n dpseci_reset;\n dpseci_set_rx_queue;\n+ fslmc_vfio_dmamap;\n mcp_ptr_list;\n per_lcore__dpaa2_io;\n rte_fslmc_driver_register;\ndiff --git a/drivers/net/dpaa2/dpaa2_ethdev.c b/drivers/net/dpaa2/dpaa2_ethdev.c\nindex 2cf395f..183b5b1 100644\n--- a/drivers/net/dpaa2/dpaa2_ethdev.c\n+++ b/drivers/net/dpaa2/dpaa2_ethdev.c\n@@ -911,6 +911,8 @@ void dpaa2_dev_stats_reset(struct rte_eth_dev *dev)\n \n \teth_dev->rx_pkt_burst = dpaa2_dev_rx;\n \teth_dev->tx_pkt_burst = dpaa2_dev_tx;\n+\tfslmc_vfio_dmamap();\n+\n \treturn 0;\n }\n \n", "prefixes": [ "dpdk-dev", "PATCHv5", "32/33" ] }