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GET /api/patches/64957/?format=api
{ "id": 64957, "url": "http://patches.dpdk.org/api/patches/64957/?format=api", "web_url": "http://patches.dpdk.org/project/dpdk/patch/1579539790-3882-17-git-send-email-matan@mellanox.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": "<1579539790-3882-17-git-send-email-matan@mellanox.com>", "list_archive_url": "https://inbox.dpdk.org/dev/1579539790-3882-17-git-send-email-matan@mellanox.com", "date": "2020-01-20T17:02:48", "name": "[v1,16/38] common/mlx5: glue VAR allocation", "commit_ref": null, "pull_url": null, "state": "superseded", "archived": true, "hash": "4947b4cee6e4d358c6905d99b3c2ee277902b81f", "submitter": { "id": 796, "url": "http://patches.dpdk.org/api/people/796/?format=api", "name": "Matan Azrad", "email": "matan@mellanox.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/1579539790-3882-17-git-send-email-matan@mellanox.com/mbox/", "series": [ { "id": 8223, "url": "http://patches.dpdk.org/api/series/8223/?format=api", "web_url": "http://patches.dpdk.org/project/dpdk/list/?series=8223", "date": "2020-01-20T17:02:37", "name": "Introduce mlx5 vDPA driver", "version": 1, "mbox": "http://patches.dpdk.org/series/8223/mbox/" } ], "comments": "http://patches.dpdk.org/api/patches/64957/comments/", "check": "success", "checks": "http://patches.dpdk.org/api/patches/64957/checks/", "tags": {}, "related": [], "headers": { "Return-Path": "<dev-bounces@dpdk.org>", "X-Original-To": "patchwork@inbox.dpdk.org", "Delivered-To": "patchwork@inbox.dpdk.org", "Received": [ "from dpdk.org (dpdk.org [92.243.14.124])\n\tby inbox.dpdk.org (Postfix) with ESMTP id 87754A0526;\n\tMon, 20 Jan 2020 18:06:48 +0100 (CET)", "from [92.243.14.124] (localhost [127.0.0.1])\n\tby dpdk.org (Postfix) with ESMTP id 966D71C02B;\n\tMon, 20 Jan 2020 18:03:53 +0100 (CET)", "from mellanox.co.il (mail-il-dmz.mellanox.com [193.47.165.129])\n by dpdk.org (Postfix) with ESMTP id 413D21BF9F\n for <dev@dpdk.org>; Mon, 20 Jan 2020 18:03:14 +0100 (CET)", "from Internal Mail-Server by MTLPINE1 (envelope-from\n asafp@mellanox.com)\n with ESMTPS (AES256-SHA encrypted); 20 Jan 2020 19:03:13 +0200", "from pegasus07.mtr.labs.mlnx (pegasus07.mtr.labs.mlnx\n [10.210.16.112])\n by labmailer.mlnx (8.13.8/8.13.8) with ESMTP id 00KH3BGZ024424;\n Mon, 20 Jan 2020 19:03:13 +0200" ], "From": "Matan Azrad <matan@mellanox.com>", "To": "dev@dpdk.org", "Cc": "Maxime Coquelin <maxime.coquelin@redhat.com>,\n Thomas Monjalon <thomas@monjalon.net>", "Date": "Mon, 20 Jan 2020 17:02:48 +0000", "Message-Id": "<1579539790-3882-17-git-send-email-matan@mellanox.com>", "X-Mailer": "git-send-email 1.8.3.1", "In-Reply-To": "<1579539790-3882-1-git-send-email-matan@mellanox.com>", "References": "<1579539790-3882-1-git-send-email-matan@mellanox.com>", "Subject": "[dpdk-dev] [PATCH v1 16/38] common/mlx5: glue VAR allocation", "X-BeenThere": "dev@dpdk.org", "X-Mailman-Version": "2.1.15", "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", "Sender": "\"dev\" <dev-bounces@dpdk.org>" }, "content": "Virtio access region(VAR) is the UAR that allocated for virtio emulation\naccess.\n\nAdd rdma-core operations to allocate and free VAR.\n\nSigned-off-by: Matan Azrad <matan@mellanox.com>\n---\n drivers/common/mlx5/Makefile | 5 +++++\n drivers/common/mlx5/meson.build | 1 +\n drivers/common/mlx5/mlx5_glue.c | 26 ++++++++++++++++++++++++++\n drivers/common/mlx5/mlx5_glue.h | 8 ++++++++\n 4 files changed, 40 insertions(+)", "diff": "diff --git a/drivers/common/mlx5/Makefile b/drivers/common/mlx5/Makefile\nindex 6b618ad..82403a2 100644\n--- a/drivers/common/mlx5/Makefile\n+++ b/drivers/common/mlx5/Makefile\n@@ -175,6 +175,11 @@ mlx5_autoconf.h.new: $(RTE_SDK)/buildtools/auto-config-h.sh\n \t\tenum MLX5_MMAP_GET_NC_PAGES_CMD \\\n \t\t$(AUTOCONF_OUTPUT)\n \t$Q sh -- '$<' '$@' \\\n+\t\tHAVE_IBV_VAR \\\n+\t\tinfiniband/mlx5dv.h \\\n+\t\tfunc mlx5dv_alloc_var \\\n+\t\t$(AUTOCONF_OUTPUT)\n+\t$Q sh -- '$<' '$@' \\\n \t\tHAVE_ETHTOOL_LINK_MODE_25G \\\n \t\t/usr/include/linux/ethtool.h \\\n \t\tenum ETHTOOL_LINK_MODE_25000baseCR_Full_BIT \\\ndiff --git a/drivers/common/mlx5/meson.build b/drivers/common/mlx5/meson.build\nindex fa11fd9..74419c6 100644\n--- a/drivers/common/mlx5/meson.build\n+++ b/drivers/common/mlx5/meson.build\n@@ -120,6 +120,7 @@ if build\n \t\t'MLX5DV_DR_DOMAIN_TYPE_FDB' ],\n \t\t[ 'HAVE_MLX5DV_DR_VLAN', 'infiniband/mlx5dv.h',\n \t\t'mlx5dv_dr_action_create_push_vlan' ],\n+\t\t[ 'HAVE_IBV_VAR', 'infiniband/mlx5dv.h', 'mlx5dv_alloc_var' ],\n \t\t[ 'HAVE_SUPPORTED_40000baseKR4_Full', 'linux/ethtool.h',\n \t\t'SUPPORTED_40000baseKR4_Full' ],\n \t\t[ 'HAVE_SUPPORTED_40000baseCR4_Full', 'linux/ethtool.h',\ndiff --git a/drivers/common/mlx5/mlx5_glue.c b/drivers/common/mlx5/mlx5_glue.c\nindex 8fbe6fd..a3e392c 100644\n--- a/drivers/common/mlx5/mlx5_glue.c\n+++ b/drivers/common/mlx5/mlx5_glue.c\n@@ -1160,6 +1160,30 @@\n #endif\n }\n \n+static struct mlx5dv_var *\n+mlx5_glue_dv_alloc_var(struct ibv_context *context, uint32_t flags)\n+{\n+#ifdef HAVE_IBV_VAR\n+\treturn mlx5dv_alloc_var(context, flags);\n+#else\n+\t(void)context;\n+\t(void)flags;\n+\terrno = ENOTSUP;\n+\treturn NULL;\n+#endif\n+}\n+\n+static void\n+mlx5_glue_dv_free_var(struct mlx5dv_var *var)\n+{\n+#ifdef HAVE_IBV_VAR\n+\tmlx5dv_free_var(var);\n+#else\n+\t(void)var;\n+\terrno = ENOTSUP;\n+#endif\n+}\n+\n alignas(RTE_CACHE_LINE_SIZE)\n const struct mlx5_glue *mlx5_glue = &(const struct mlx5_glue){\n \t.version = MLX5_GLUE_VERSION,\n@@ -1267,4 +1291,6 @@\n \t.devx_get_event = mlx5_glue_devx_get_event,\n \t.devx_alloc_uar = mlx5_glue_devx_alloc_uar,\n \t.devx_free_uar = mlx5_glue_devx_free_uar,\n+\t.dv_alloc_var = mlx5_glue_dv_alloc_var,\n+\t.dv_free_var = mlx5_glue_dv_free_var,\n };\ndiff --git a/drivers/common/mlx5/mlx5_glue.h b/drivers/common/mlx5/mlx5_glue.h\nindex 7d9256e..6238b43 100644\n--- a/drivers/common/mlx5/mlx5_glue.h\n+++ b/drivers/common/mlx5/mlx5_glue.h\n@@ -93,6 +93,11 @@\n #define MLX5DV_DEVX_CREATE_EVENT_CHANNEL_FLAGS_OMIT_EV_DATA 1\n #endif\n \n+#ifndef HAVE_IBV_VAR\n+struct mlx5dv_var { uint32_t page_id; uint32_t length; off_t mmap_off;\n+\t\t\tuint64_t comp_mask; };\n+#endif\n+\n /* LIB_GLUE_VERSION must be updated every time this structure is modified. */\n struct mlx5_glue {\n \tconst char *version;\n@@ -231,6 +236,9 @@ struct mlx5_glue {\n \tint (*dv_destroy_flow)(void *flow);\n \tint (*dv_destroy_flow_matcher)(void *matcher);\n \tstruct ibv_context *(*dv_open_device)(struct ibv_device *device);\n+\tstruct mlx5dv_var *(*dv_alloc_var)(struct ibv_context *context,\n+\t\t\t\t\t uint32_t flags);\n+\tvoid (*dv_free_var)(struct mlx5dv_var *var);\n \tstruct mlx5dv_devx_uar *(*devx_alloc_uar)(struct ibv_context *context,\n \t\t\t\t\t\t uint32_t flags);\n \tvoid (*devx_free_uar)(struct mlx5dv_devx_uar *devx_uar);\n", "prefixes": [ "v1", "16/38" ] }