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GET /api/patches/103251/?format=api
HTTP 200 OK
Allow: GET, PUT, PATCH, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "id": 103251,
    "url": "http://patches.dpdk.org/api/patches/103251/?format=api",
    "web_url": "http://patches.dpdk.org/project/dpdk/patch/20211029144645.30295-10-vsrivast@xilinx.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": "<20211029144645.30295-10-vsrivast@xilinx.com>",
    "list_archive_url": "https://inbox.dpdk.org/dev/20211029144645.30295-10-vsrivast@xilinx.com",
    "date": "2021-10-29T14:46:44",
    "name": "[v3,09/10] vdpa/sfc: add support to set vring state",
    "commit_ref": null,
    "pull_url": null,
    "state": "superseded",
    "archived": true,
    "hash": "a57ee2317d038fdce83a0424357484a7f0750b64",
    "submitter": {
        "id": 2281,
        "url": "http://patches.dpdk.org/api/people/2281/?format=api",
        "name": "Vijay Srivastava",
        "email": "vijay.srivastava@xilinx.com"
    },
    "delegate": {
        "id": 2642,
        "url": "http://patches.dpdk.org/api/users/2642/?format=api",
        "username": "mcoquelin",
        "first_name": "Maxime",
        "last_name": "Coquelin",
        "email": "maxime.coquelin@redhat.com"
    },
    "mbox": "http://patches.dpdk.org/project/dpdk/patch/20211029144645.30295-10-vsrivast@xilinx.com/mbox/",
    "series": [
        {
            "id": 20138,
            "url": "http://patches.dpdk.org/api/series/20138/?format=api",
            "web_url": "http://patches.dpdk.org/project/dpdk/list/?series=20138",
            "date": "2021-10-29T14:46:35",
            "name": "vdpa/sfc: introduce Xilinx vDPA driver",
            "version": 3,
            "mbox": "http://patches.dpdk.org/series/20138/mbox/"
        }
    ],
    "comments": "http://patches.dpdk.org/api/patches/103251/comments/",
    "check": "success",
    "checks": "http://patches.dpdk.org/api/patches/103251/checks/",
    "tags": {},
    "related": [],
    "headers": {
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        "Envelope-to": "dev@dpdk.org, maxime.coquelin@redhat.com, chenbo.xia@intel.com,\n andrew.rybchenko@oktetlabs.ru",
        "From": "Vijay Srivastava <vijay.srivastava@xilinx.com>",
        "To": "<dev@dpdk.org>",
        "CC": "<maxime.coquelin@redhat.com>, <chenbo.xia@intel.com>,\n <andrew.rybchenko@oktetlabs.ru>, Vijay Kumar Srivastava <vsrivast@xilinx.com>",
        "Date": "Fri, 29 Oct 2021 20:16:44 +0530",
        "Message-ID": "<20211029144645.30295-10-vsrivast@xilinx.com>",
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        "References": "<20210706164418.32615-1-vsrivast@xilinx.com>\n <20211029144645.30295-1-vsrivast@xilinx.com>",
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        "Subject": "[dpdk-dev] [PATCH v3 09/10] vdpa/sfc: add support to set vring state",
        "X-BeenThere": "dev@dpdk.org",
        "X-Mailman-Version": "2.1.29",
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        "List-Id": "DPDK patches and discussions <dev.dpdk.org>",
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        "Errors-To": "dev-bounces@dpdk.org",
        "Sender": "\"dev\" <dev-bounces@dpdk.org>"
    },
    "content": "From: Vijay Kumar Srivastava <vsrivast@xilinx.com>\n\nImplements vDPA ops set_vring_state to configure vring state.\n\nSigned-off-by: Vijay Kumar Srivastava <vsrivast@xilinx.com>\nAcked-by: Andrew Rybchenko <andrew.rybchenko@oktetlabs.ru>\nReviewed-by: Maxime Coquelin <maxime.coquelin@redhat.com>\n---\n drivers/vdpa/sfc/sfc_vdpa_ops.c | 54 ++++++++++++++++++++++++++++++++++++++---\n 1 file changed, 50 insertions(+), 4 deletions(-)",
    "diff": "diff --git a/drivers/vdpa/sfc/sfc_vdpa_ops.c b/drivers/vdpa/sfc/sfc_vdpa_ops.c\nindex 8551b65..3430643 100644\n--- a/drivers/vdpa/sfc/sfc_vdpa_ops.c\n+++ b/drivers/vdpa/sfc/sfc_vdpa_ops.c\n@@ -719,11 +719,57 @@\n static int\n sfc_vdpa_set_vring_state(int vid, int vring, int state)\n {\n-\tRTE_SET_USED(vid);\n-\tRTE_SET_USED(vring);\n-\tRTE_SET_USED(state);\n+\tstruct sfc_vdpa_ops_data *ops_data;\n+\tstruct rte_vdpa_device *vdpa_dev;\n+\tefx_rc_t rc;\n+\tint vring_max;\n+\tvoid *dev;\n \n-\treturn -1;\n+\tvdpa_dev = rte_vhost_get_vdpa_device(vid);\n+\n+\tops_data = sfc_vdpa_get_data_by_dev(vdpa_dev);\n+\tif (ops_data == NULL)\n+\t\treturn -1;\n+\n+\tdev = ops_data->dev_handle;\n+\n+\tsfc_vdpa_info(dev,\n+\t\t      \"vDPA ops set_vring_state: vid: %d, vring: %d, state:%d\",\n+\t\t      vid, vring, state);\n+\n+\tvring_max = (sfc_vdpa_adapter_by_dev_handle(dev)->max_queue_count * 2);\n+\n+\tif (vring < 0 || vring > vring_max) {\n+\t\tsfc_vdpa_err(dev, \"received invalid vring id : %d to set state\",\n+\t\t\t     vring);\n+\t\treturn -1;\n+\t}\n+\n+\t/*\n+\t * Skip if device is not yet started. virtqueues state can be\n+\t * changed once it is created and other configurations are done.\n+\t */\n+\tif (ops_data->state != SFC_VDPA_STATE_STARTED)\n+\t\treturn 0;\n+\n+\tif (ops_data->vq_cxt[vring].enable == state)\n+\t\treturn 0;\n+\n+\tif (state == 0) {\n+\t\trc = sfc_vdpa_virtq_stop(ops_data, vring);\n+\t\tif (rc != 0) {\n+\t\t\tsfc_vdpa_err(dev, \"virtqueue stop failed: %s\",\n+\t\t\t\t     rte_strerror(rc));\n+\t\t}\n+\t} else {\n+\t\trc = sfc_vdpa_virtq_start(ops_data, vring);\n+\t\tif (rc != 0) {\n+\t\t\tsfc_vdpa_err(dev, \"virtqueue start failed: %s\",\n+\t\t\t\t     rte_strerror(rc));\n+\t\t}\n+\t}\n+\n+\treturn rc;\n }\n \n static int\n",
    "prefixes": [
        "v3",
        "09/10"
    ]
}