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GET /api/patches/112375/?format=api
HTTP 200 OK
Allow: GET, PUT, PATCH, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "id": 112375,
    "url": "https://patches.dpdk.org/api/patches/112375/?format=api",
    "web_url": "https://patches.dpdk.org/project/dpdk/patch/20220606114650.209612-2-lizh@nvidia.com/",
    "project": {
        "id": 1,
        "url": "https://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": "<20220606114650.209612-2-lizh@nvidia.com>",
    "list_archive_url": "https://inbox.dpdk.org/dev/20220606114650.209612-2-lizh@nvidia.com",
    "date": "2022-06-06T11:46:34",
    "name": "[v1,01/17] vdpa/mlx5: fix usage of capability for max number of virtqs",
    "commit_ref": null,
    "pull_url": null,
    "state": "superseded",
    "archived": true,
    "hash": "05eb31c4054db9fdb38df8fa76c38985b80399df",
    "submitter": {
        "id": 1967,
        "url": "https://patches.dpdk.org/api/people/1967/?format=api",
        "name": "Li Zhang",
        "email": "lizh@nvidia.com"
    },
    "delegate": {
        "id": 2642,
        "url": "https://patches.dpdk.org/api/users/2642/?format=api",
        "username": "mcoquelin",
        "first_name": "Maxime",
        "last_name": "Coquelin",
        "email": "maxime.coquelin@redhat.com"
    },
    "mbox": "https://patches.dpdk.org/project/dpdk/patch/20220606114650.209612-2-lizh@nvidia.com/mbox/",
    "series": [
        {
            "id": 23355,
            "url": "https://patches.dpdk.org/api/series/23355/?format=api",
            "web_url": "https://patches.dpdk.org/project/dpdk/list/?series=23355",
            "date": "2022-06-06T11:46:34",
            "name": "[v1,01/17] vdpa/mlx5: fix usage of capability for max number of virtqs",
            "version": 1,
            "mbox": "https://patches.dpdk.org/series/23355/mbox/"
        }
    ],
    "comments": "https://patches.dpdk.org/api/patches/112375/comments/",
    "check": "success",
    "checks": "https://patches.dpdk.org/api/patches/112375/checks/",
    "tags": {},
    "related": [],
    "headers": {
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        "From": "Li Zhang <lizh@nvidia.com>",
        "To": "<orika@nvidia.com>, <viacheslavo@nvidia.com>, <matan@nvidia.com>,\n <shahafs@nvidia.com>, Maxime Coquelin <maxime.coquelin@redhat.com>",
        "CC": "<dev@dpdk.org>, <thomas@monjalon.net>, <rasland@nvidia.com>,\n <roniba@nvidia.com>, <stable@dpdk.org>",
        "Subject": "[PATCH v1 01/17] vdpa/mlx5: fix usage of capability for max number of\n virtqs",
        "Date": "Mon, 6 Jun 2022 14:46:34 +0300",
        "Message-ID": "<20220606114650.209612-2-lizh@nvidia.com>",
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        "References": "<20220408075606.33056-1-lizh@nvidia.com>\n <20220606114650.209612-1-lizh@nvidia.com>",
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    },
    "content": "The driver wrongly takes the capability value for\nthe number of virtq pairs instead of just the number of virtqs.\n\nAdjust all the usages of it to be the number of virtqs.\n\nFixes: c2eb33a (\"vdpa/mlx5: manage virtqs by array\")\nCc: stable@dpdk.org\n\nSigned-off-by: Li Zhang <lizh@nvidia.com>\n---\n drivers/vdpa/mlx5/mlx5_vdpa.c       | 12 ++++++------\n drivers/vdpa/mlx5/mlx5_vdpa_virtq.c |  6 +++---\n 2 files changed, 9 insertions(+), 9 deletions(-)",
    "diff": "diff --git a/drivers/vdpa/mlx5/mlx5_vdpa.c b/drivers/vdpa/mlx5/mlx5_vdpa.c\nindex 76fa5d4299..ee71339b78 100644\n--- a/drivers/vdpa/mlx5/mlx5_vdpa.c\n+++ b/drivers/vdpa/mlx5/mlx5_vdpa.c\n@@ -84,7 +84,7 @@ mlx5_vdpa_get_queue_num(struct rte_vdpa_device *vdev, uint32_t *queue_num)\n \t\tDRV_LOG(ERR, \"Invalid vDPA device: %s.\", vdev->device->name);\n \t\treturn -1;\n \t}\n-\t*queue_num = priv->caps.max_num_virtio_queues;\n+\t*queue_num = priv->caps.max_num_virtio_queues / 2;\n \treturn 0;\n }\n \n@@ -141,7 +141,7 @@ mlx5_vdpa_set_vring_state(int vid, int vring, int state)\n \t\tDRV_LOG(ERR, \"Invalid vDPA device: %s.\", vdev->device->name);\n \t\treturn -EINVAL;\n \t}\n-\tif (vring >= (int)priv->caps.max_num_virtio_queues * 2) {\n+\tif (vring >= (int)priv->caps.max_num_virtio_queues) {\n \t\tDRV_LOG(ERR, \"Too big vring id: %d.\", vring);\n \t\treturn -E2BIG;\n \t}\n@@ -388,7 +388,7 @@ mlx5_vdpa_get_stats(struct rte_vdpa_device *vdev, int qid,\n \t\tDRV_LOG(ERR, \"Invalid device: %s.\", vdev->device->name);\n \t\treturn -ENODEV;\n \t}\n-\tif (qid >= (int)priv->caps.max_num_virtio_queues * 2) {\n+\tif (qid >= (int)priv->caps.max_num_virtio_queues) {\n \t\tDRV_LOG(ERR, \"Too big vring id: %d for device %s.\", qid,\n \t\t\t\tvdev->device->name);\n \t\treturn -E2BIG;\n@@ -411,7 +411,7 @@ mlx5_vdpa_reset_stats(struct rte_vdpa_device *vdev, int qid)\n \t\tDRV_LOG(ERR, \"Invalid device: %s.\", vdev->device->name);\n \t\treturn -ENODEV;\n \t}\n-\tif (qid >= (int)priv->caps.max_num_virtio_queues * 2) {\n+\tif (qid >= (int)priv->caps.max_num_virtio_queues) {\n \t\tDRV_LOG(ERR, \"Too big vring id: %d for device %s.\", qid,\n \t\t\t\tvdev->device->name);\n \t\treturn -E2BIG;\n@@ -624,7 +624,7 @@ mlx5_vdpa_dev_probe(struct mlx5_common_device *cdev,\n \t\tDRV_LOG(DEBUG, \"No capability to support virtq statistics.\");\n \tpriv = rte_zmalloc(\"mlx5 vDPA device private\", sizeof(*priv) +\n \t\t\t   sizeof(struct mlx5_vdpa_virtq) *\n-\t\t\t   attr->vdpa.max_num_virtio_queues * 2,\n+\t\t\t   attr->vdpa.max_num_virtio_queues,\n \t\t\t   RTE_CACHE_LINE_SIZE);\n \tif (!priv) {\n \t\tDRV_LOG(ERR, \"Failed to allocate private memory.\");\n@@ -685,7 +685,7 @@ mlx5_vdpa_release_dev_resources(struct mlx5_vdpa_priv *priv)\n \tuint32_t i;\n \n \tmlx5_vdpa_dev_cache_clean(priv);\n-\tfor (i = 0; i < priv->caps.max_num_virtio_queues * 2; i++) {\n+\tfor (i = 0; i < priv->caps.max_num_virtio_queues; i++) {\n \t\tif (!priv->virtqs[i].counters)\n \t\t\tcontinue;\n \t\tclaim_zero(mlx5_devx_cmd_destroy(priv->virtqs[i].counters));\ndiff --git a/drivers/vdpa/mlx5/mlx5_vdpa_virtq.c b/drivers/vdpa/mlx5/mlx5_vdpa_virtq.c\nindex e025be47d2..c258eb3024 100644\n--- a/drivers/vdpa/mlx5/mlx5_vdpa_virtq.c\n+++ b/drivers/vdpa/mlx5/mlx5_vdpa_virtq.c\n@@ -72,7 +72,7 @@ mlx5_vdpa_virtqs_cleanup(struct mlx5_vdpa_priv *priv)\n {\n \tunsigned int i, j;\n \n-\tfor (i = 0; i < priv->caps.max_num_virtio_queues * 2; i++) {\n+\tfor (i = 0; i < priv->caps.max_num_virtio_queues; i++) {\n \t\tstruct mlx5_vdpa_virtq *virtq = &priv->virtqs[i];\n \n \t\tfor (j = 0; j < RTE_DIM(virtq->umems); ++j) {\n@@ -492,9 +492,9 @@ mlx5_vdpa_virtqs_prepare(struct mlx5_vdpa_priv *priv)\n \t\tDRV_LOG(INFO, \"TSO is enabled without CSUM, force CSUM.\");\n \t\tpriv->features |= (1ULL << VIRTIO_NET_F_CSUM);\n \t}\n-\tif (nr_vring > priv->caps.max_num_virtio_queues * 2) {\n+\tif (nr_vring > priv->caps.max_num_virtio_queues) {\n \t\tDRV_LOG(ERR, \"Do not support more than %d virtqs(%d).\",\n-\t\t\t(int)priv->caps.max_num_virtio_queues * 2,\n+\t\t\t(int)priv->caps.max_num_virtio_queues,\n \t\t\t(int)nr_vring);\n \t\treturn -1;\n \t}\n",
    "prefixes": [
        "v1",
        "01/17"
    ]
}