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GET /api/patches/132714/?format=api
{ "id": 132714, "url": "http://patches.dpdk.org/api/patches/132714/?format=api", "web_url": "http://patches.dpdk.org/project/dpdk/patch/20231017054545.1692509-25-chaoyong.he@corigine.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": "<20231017054545.1692509-25-chaoyong.he@corigine.com>", "list_archive_url": "https://inbox.dpdk.org/dev/20231017054545.1692509-25-chaoyong.he@corigine.com", "date": "2023-10-17T05:45:44", "name": "[24/25] vdpa/nfp: add nfp vDPA device operations", "commit_ref": null, "pull_url": null, "state": "superseded", "archived": true, "hash": "773e318386799ab1ea10fb86a94c62e501bf81b8", "submitter": { "id": 2554, "url": "http://patches.dpdk.org/api/people/2554/?format=api", "name": "Chaoyong He", "email": "chaoyong.he@corigine.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/20231017054545.1692509-25-chaoyong.he@corigine.com/mbox/", "series": [ { "id": 29865, "url": "http://patches.dpdk.org/api/series/29865/?format=api", "web_url": "http://patches.dpdk.org/project/dpdk/list/?series=29865", "date": "2023-10-17T05:45:20", "name": "add the NFP vDPA PMD", "version": 1, "mbox": "http://patches.dpdk.org/series/29865/mbox/" } ], "comments": "http://patches.dpdk.org/api/patches/132714/comments/", "check": "warning", "checks": "http://patches.dpdk.org/api/patches/132714/checks/", "tags": {}, "related": [], "headers": { "Return-Path": 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"Authentication-Results": "dkim=none (message not signed)\n header.d=none;dmarc=none action=none header.from=corigine.com;", "From": "Chaoyong He <chaoyong.he@corigine.com>", "To": "dev@dpdk.org", "Cc": "oss-drivers@corigine.com, Chaoyong He <chaoyong.he@corigine.com>,\n Shujing Dong <shujing.dong@corigine.com>, Long Wu <long.wu@corigine.com>,\n Peng Zhang <peng.zhang@corigine.com>", "Subject": "[PATCH 24/25] vdpa/nfp: add nfp vDPA device operations", "Date": "Tue, 17 Oct 2023 13:45:44 +0800", "Message-Id": "<20231017054545.1692509-25-chaoyong.he@corigine.com>", "X-Mailer": "git-send-email 2.39.1", "In-Reply-To": "<20231017054545.1692509-1-chaoyong.he@corigine.com>", "References": "<20231017054545.1692509-1-chaoyong.he@corigine.com>", "Content-Transfer-Encoding": "8bit", "Content-Type": "text/plain", "X-ClientProxiedBy": "PH7PR17CA0069.namprd17.prod.outlook.com\n (2603:10b6:510:325::29) To PH0PR13MB5568.namprd13.prod.outlook.com\n (2603:10b6:510:12b::16)", "MIME-Version": "1.0", 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"X-OriginatorOrg": "corigine.com", "X-MS-Exchange-CrossTenant-Network-Message-Id": "\n 18186f39-2a8e-4339-8b90-08dbced48a0b", "X-MS-Exchange-CrossTenant-AuthSource": "PH0PR13MB5568.namprd13.prod.outlook.com", "X-MS-Exchange-CrossTenant-AuthAs": "Internal", "X-MS-Exchange-CrossTenant-OriginalArrivalTime": "17 Oct 2023 05:47:25.6827 (UTC)", "X-MS-Exchange-CrossTenant-FromEntityHeader": "Hosted", "X-MS-Exchange-CrossTenant-Id": "fe128f2c-073b-4c20-818e-7246a585940c", "X-MS-Exchange-CrossTenant-MailboxType": "HOSTED", "X-MS-Exchange-CrossTenant-UserPrincipalName": "\n V2m1tgjiOq0+nVPBg6qj/LNHicBnCoEgOHvwGwU34SvJmx6l2gHEpDET6KJxJRgIPjQY9zvWSXPhTYq3bYtBNKHog8UvCiDy23izc1OC7kM=", "X-MS-Exchange-Transport-CrossTenantHeadersStamped": "SJ0PR13MB5272", "X-BeenThere": "dev@dpdk.org", "X-Mailman-Version": "2.1.29", "Precedence": "list", "List-Id": "DPDK patches and discussions <dev.dpdk.org>", "List-Unsubscribe": "<https://mails.dpdk.org/options/dev>,\n <mailto:dev-request@dpdk.org?subject=unsubscribe>", "List-Archive": "<http://mails.dpdk.org/archives/dev/>", "List-Post": "<mailto:dev@dpdk.org>", "List-Help": "<mailto:dev-request@dpdk.org?subject=help>", "List-Subscribe": "<https://mails.dpdk.org/listinfo/dev>,\n <mailto:dev-request@dpdk.org?subject=subscribe>", "Errors-To": "dev-bounces@dpdk.org" }, "content": "Implement the corresponding nfp vDPA opetation functions.\n\nSigned-off-by: Shujing Dong <shujing.dong@corigine.com>\nSigned-off-by: Chaoyong He <chaoyong.he@corigine.com>\nReviewed-by: Long Wu <long.wu@corigine.com>\nReviewed-by: Peng Zhang <peng.zhang@corigine.com>\n---\n drivers/vdpa/nfp/nfp_vdpa.c | 213 ++++++++++++++++++++++++++++++++++++\n 1 file changed, 213 insertions(+)", "diff": "diff --git a/drivers/vdpa/nfp/nfp_vdpa.c b/drivers/vdpa/nfp/nfp_vdpa.c\nindex 01a59e2cfd..860b5cce63 100644\n--- a/drivers/vdpa/nfp/nfp_vdpa.c\n+++ b/drivers/vdpa/nfp/nfp_vdpa.c\n@@ -57,6 +57,29 @@ static struct vdpa_dev_list_head vdpa_dev_list =\n \n static pthread_mutex_t vdpa_list_lock = PTHREAD_MUTEX_INITIALIZER;\n \n+static struct nfp_vdpa_dev_node *\n+nfp_vdpa_find_node_by_vdev(struct rte_vdpa_device *vdev)\n+{\n+\tbool found = false;\n+\tstruct nfp_vdpa_dev_node *node;\n+\n+\tpthread_mutex_lock(&vdpa_list_lock);\n+\n+\tTAILQ_FOREACH(node, &vdpa_dev_list, next) {\n+\t\tif (vdev == node->device->vdev) {\n+\t\t\tfound = true;\n+\t\t\tbreak;\n+\t\t}\n+\t}\n+\n+\tpthread_mutex_unlock(&vdpa_list_lock);\n+\n+\tif (found)\n+\t\treturn node;\n+\n+\treturn NULL;\n+}\n+\n static struct nfp_vdpa_dev_node *\n nfp_vdpa_find_node_by_pdev(struct rte_pci_device *pdev)\n {\n@@ -575,7 +598,197 @@ update_datapath(struct nfp_vdpa_dev *device)\n \treturn ret;\n }\n \n+static int\n+nfp_vdpa_dev_config(int vid)\n+{\n+\tint ret;\n+\tstruct nfp_vdpa_dev *device;\n+\tstruct rte_vdpa_device *vdev;\n+\tstruct nfp_vdpa_dev_node *node;\n+\n+\tvdev = rte_vhost_get_vdpa_device(vid);\n+\tnode = nfp_vdpa_find_node_by_vdev(vdev);\n+\tif (node == NULL) {\n+\t\tDRV_VDPA_LOG(ERR, \"Invalid vDPA device: %p\", vdev);\n+\t\treturn -ENODEV;\n+\t}\n+\n+\tdevice = node->device;\n+\tdevice->vid = vid;\n+\t__atomic_store_n(&device->dev_attached, 1, __ATOMIC_RELAXED);\n+\tupdate_datapath(device);\n+\n+\tret = rte_vhost_host_notifier_ctrl(vid, RTE_VHOST_QUEUE_ALL, true);\n+\tif (ret != 0)\n+\t\tDRV_VDPA_LOG(INFO, \"vDPA (%s): software relay is used.\",\n+\t\t\t\tvdev->device->name);\n+\n+\treturn 0;\n+}\n+\n+static int\n+nfp_vdpa_dev_close(int vid)\n+{\n+\tstruct nfp_vdpa_dev *device;\n+\tstruct rte_vdpa_device *vdev;\n+\tstruct nfp_vdpa_dev_node *node;\n+\n+\tvdev = rte_vhost_get_vdpa_device(vid);\n+\tnode = nfp_vdpa_find_node_by_vdev(vdev);\n+\tif (node == NULL) {\n+\t\tDRV_VDPA_LOG(ERR, \"Invalid vDPA device: %p\", vdev);\n+\t\treturn -ENODEV;\n+\t}\n+\n+\tdevice = node->device;\n+\t__atomic_store_n(&device->dev_attached, 0, __ATOMIC_RELAXED);\n+\tupdate_datapath(device);\n+\n+\treturn 0;\n+}\n+\n+static int\n+nfp_vdpa_get_vfio_group_fd(int vid)\n+{\n+\tstruct rte_vdpa_device *vdev;\n+\tstruct nfp_vdpa_dev_node *node;\n+\n+\tvdev = rte_vhost_get_vdpa_device(vid);\n+\tnode = nfp_vdpa_find_node_by_vdev(vdev);\n+\tif (node == NULL) {\n+\t\tDRV_VDPA_LOG(ERR, \"Invalid vDPA device: %p\", vdev);\n+\t\treturn -ENODEV;\n+\t}\n+\n+\treturn node->device->vfio_group_fd;\n+}\n+\n+static int\n+nfp_vdpa_get_vfio_device_fd(int vid)\n+{\n+\tstruct rte_vdpa_device *vdev;\n+\tstruct nfp_vdpa_dev_node *node;\n+\n+\tvdev = rte_vhost_get_vdpa_device(vid);\n+\tnode = nfp_vdpa_find_node_by_vdev(vdev);\n+\tif (node == NULL) {\n+\t\tDRV_VDPA_LOG(ERR, \"Invalid vDPA device: %p\", vdev);\n+\t\treturn -ENODEV;\n+\t}\n+\n+\treturn node->device->vfio_dev_fd;\n+}\n+\n+static int\n+nfp_vdpa_get_notify_area(int vid,\n+\t\tint qid,\n+\t\tuint64_t *offset,\n+\t\tuint64_t *size)\n+{\n+\tint ret;\n+\tstruct nfp_vdpa_dev *device;\n+\tstruct rte_vdpa_device *vdev;\n+\tstruct nfp_vdpa_dev_node *node;\n+\tstruct vfio_region_info region = {\n+\t\t.argsz = sizeof(region)\n+\t};\n+\n+\tvdev = rte_vhost_get_vdpa_device(vid);\n+\tnode = nfp_vdpa_find_node_by_vdev(vdev);\n+\tif (node == NULL) {\n+\t\tDRV_VDPA_LOG(ERR, \"Invalid vDPA device: %p\", vdev);\n+\t\treturn -ENODEV;\n+\t}\n+\n+\tdevice = node->device;\n+\tregion.index = device->hw.notify_region;\n+\n+\tret = ioctl(device->vfio_dev_fd, VFIO_DEVICE_GET_REGION_INFO, ®ion);\n+\tif (ret != 0) {\n+\t\tDRV_VDPA_LOG(ERR, \"Get not get device region info.\");\n+\t\treturn -EIO;\n+\t}\n+\n+\t*offset = nfp_vdpa_get_queue_notify_offset(&device->hw, qid) + region.offset;\n+\t*size = NFP_VDPA_NOTIFY_ADDR_INTERVAL;\n+\n+\treturn 0;\n+}\n+\n+static int\n+nfp_vdpa_get_queue_num(struct rte_vdpa_device *vdev,\n+\t\tuint32_t *queue_num)\n+{\n+\tstruct nfp_vdpa_dev_node *node;\n+\n+\tnode = nfp_vdpa_find_node_by_vdev(vdev);\n+\tif (node == NULL) {\n+\t\tDRV_VDPA_LOG(ERR, \"Invalid vDPA device: %p\", vdev);\n+\t\treturn -ENODEV;\n+\t}\n+\n+\t*queue_num = node->device->max_queues;\n+\n+\treturn 0;\n+}\n+\n+static int\n+nfp_vdpa_get_vdpa_features(struct rte_vdpa_device *vdev,\n+\t\tuint64_t *features)\n+{\n+\tstruct nfp_vdpa_dev_node *node;\n+\n+\tnode = nfp_vdpa_find_node_by_vdev(vdev);\n+\tif (node == NULL) {\n+\t\tDRV_VDPA_LOG(ERR, \"Invalid vDPA device: %p\", vdev);\n+\t\treturn -ENODEV;\n+\t}\n+\n+\t*features = node->device->hw.features;\n+\n+\treturn 0;\n+}\n+\n+static int\n+nfp_vdpa_get_protocol_features(struct rte_vdpa_device *vdev __rte_unused,\n+\t\tuint64_t *features)\n+{\n+\t*features = 1ULL << VHOST_USER_PROTOCOL_F_LOG_SHMFD |\n+\t\t\t1ULL << VHOST_USER_PROTOCOL_F_REPLY_ACK |\n+\t\t\t1ULL << VHOST_USER_PROTOCOL_F_BACKEND_REQ |\n+\t\t\t1ULL << VHOST_USER_PROTOCOL_F_BACKEND_SEND_FD |\n+\t\t\t1ULL << VHOST_USER_PROTOCOL_F_HOST_NOTIFIER;\n+\n+\treturn 0;\n+}\n+\n+static int\n+nfp_vdpa_set_features(int32_t vid)\n+{\n+\tDRV_VDPA_LOG(DEBUG, \"Start vid=%d\", vid);\n+\treturn 0;\n+}\n+\n+static int\n+nfp_vdpa_set_vring_state(int vid,\n+\t\tint vring,\n+\t\tint state)\n+{\n+\tDRV_VDPA_LOG(DEBUG, \"Start vid=%d, vring=%d, state=%d\", vid, vring, state);\n+\treturn 0;\n+}\n+\n struct rte_vdpa_dev_ops nfp_vdpa_ops = {\n+\t.get_queue_num = nfp_vdpa_get_queue_num,\n+\t.get_features = nfp_vdpa_get_vdpa_features,\n+\t.get_protocol_features = nfp_vdpa_get_protocol_features,\n+\t.dev_conf = nfp_vdpa_dev_config,\n+\t.dev_close = nfp_vdpa_dev_close,\n+\t.set_vring_state = nfp_vdpa_set_vring_state,\n+\t.set_features = nfp_vdpa_set_features,\n+\t.get_vfio_group_fd = nfp_vdpa_get_vfio_group_fd,\n+\t.get_vfio_device_fd = nfp_vdpa_get_vfio_device_fd,\n+\t.get_notify_area = nfp_vdpa_get_notify_area,\n };\n \n static int\n", "prefixes": [ "24/25" ] }