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GET /api/patches/139696/?format=api
{ "id": 139696, "url": "https://patches.dpdk.org/api/patches/139696/?format=api", "web_url": "https://patches.dpdk.org/project/dpdk/patch/20240426074831.1729792-9-chaoyong.he@corigine.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": "<20240426074831.1729792-9-chaoyong.he@corigine.com>", "list_archive_url": "https://inbox.dpdk.org/dev/20240426074831.1729792-9-chaoyong.he@corigine.com", "date": "2024-04-26T07:48:29", "name": "[08/10] vdpa/nfp: recover the ring index on new host", "commit_ref": null, "pull_url": null, "state": "new", "archived": false, "hash": "10b585e74bb85fee4a66fe656c663b806c1f6988", "submitter": { "id": 2554, "url": "https://patches.dpdk.org/api/people/2554/?format=api", "name": "Chaoyong He", "email": "chaoyong.he@corigine.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/20240426074831.1729792-9-chaoyong.he@corigine.com/mbox/", "series": [ { "id": 31827, "url": "https://patches.dpdk.org/api/series/31827/?format=api", "web_url": "https://patches.dpdk.org/project/dpdk/list/?series=31827", "date": "2024-04-26T07:48:21", "name": "support software live migration", "version": 1, "mbox": "https://patches.dpdk.org/series/31827/mbox/" } ], "comments": "https://patches.dpdk.org/api/patches/139696/comments/", "check": "success", "checks": "https://patches.dpdk.org/api/patches/139696/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, Xinying Yu <xinying.yu@corigine.com>,\n Chaoyong He <chaoyong.he@corigine.com>, Long Wu <long.wu@corigine.com>,\n Peng Zhang <peng.zhang@corigine.com>", "Subject": "[PATCH 08/10] vdpa/nfp: recover the ring index on new host", "Date": "Fri, 26 Apr 2024 15:48:29 +0800", "Message-Id": "<20240426074831.1729792-9-chaoyong.he@corigine.com>", "X-Mailer": "git-send-email 2.39.1", "In-Reply-To": "<20240426074831.1729792-1-chaoyong.he@corigine.com>", "References": "<20240426074831.1729792-1-chaoyong.he@corigine.com>", "Content-Transfer-Encoding": "8bit", "Content-Type": "text/plain", "X-ClientProxiedBy": "BYAPR02CA0007.namprd02.prod.outlook.com\n (2603:10b6:a02:ee::20) To SJ0PR13MB5545.namprd13.prod.outlook.com\n (2603:10b6:a03:424::5)", "MIME-Version": "1.0", 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"X-OriginatorOrg": "corigine.com", "X-MS-Exchange-CrossTenant-Network-Message-Id": "\n ef3d5c9c-58dd-4bc1-0f3b-08dc65c55a92", "X-MS-Exchange-CrossTenant-AuthSource": "SJ0PR13MB5545.namprd13.prod.outlook.com", "X-MS-Exchange-CrossTenant-AuthAs": "Internal", "X-MS-Exchange-CrossTenant-OriginalArrivalTime": "26 Apr 2024 07:49:08.5395 (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 fARzM9LlaTHhATwWCx76dHOc7MsbQ6RfebEWdwIRXsU5ozAOhTEm5OPBy+ggCKDwBBXuolq8UXSwCuuQyW/5YBRdUmtn7f+yTZCGfmnPGro=", "X-MS-Exchange-Transport-CrossTenantHeadersStamped": "MN0PR13MB6618", "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": "From: Xinying Yu <xinying.yu@corigine.com>\n\nAfter migrate to new host, the vring information was\nrecovered by the value in offset 'NFP_NET_CFG_TX_USED_INDEX'\nand 'NFP_NET_CFG_RX_USED_INDEX'.\n\nSigned-off-by: Xinying Yu <xinying.yu@corigine.com>\nReviewed-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/common/nfp/nfp_common_ctrl.h | 7 +++++--\n drivers/vdpa/nfp/nfp_vdpa_core.c | 13 +++++++++++++\n 2 files changed, 18 insertions(+), 2 deletions(-)", "diff": "diff --git a/drivers/common/nfp/nfp_common_ctrl.h b/drivers/common/nfp/nfp_common_ctrl.h\nindex 9311d01590..4b273372a8 100644\n--- a/drivers/common/nfp/nfp_common_ctrl.h\n+++ b/drivers/common/nfp/nfp_common_ctrl.h\n@@ -193,8 +193,11 @@ struct nfp_net_fw_ver {\n \n #define NFP_NET_CFG_CAP_WORD1 0x00a4\n \n-/* 16B reserved for future use (0x00b0 - 0x00c0). */\n-#define NFP_NET_CFG_RESERVED 0x00b0\n+#define NFP_NET_CFG_TX_USED_INDEX 0x00b0\n+#define NFP_NET_CFG_RX_USED_INDEX 0x00b4\n+\n+/* 16B reserved for future use (0x00b8 - 0x0010). */\n+#define NFP_NET_CFG_RESERVED 0x00b8\n #define NFP_NET_CFG_RESERVED_SZ 0x0010\n \n /*\ndiff --git a/drivers/vdpa/nfp/nfp_vdpa_core.c b/drivers/vdpa/nfp/nfp_vdpa_core.c\nindex 63a69aaf36..8f9aba9519 100644\n--- a/drivers/vdpa/nfp/nfp_vdpa_core.c\n+++ b/drivers/vdpa/nfp/nfp_vdpa_core.c\n@@ -101,6 +101,16 @@ nfp_vdpa_hw_init(struct nfp_vdpa_hw *vdpa_hw,\n \treturn 0;\n }\n \n+static void\n+nfp_vdpa_hw_queue_init(struct nfp_vdpa_hw *vdpa_hw)\n+{\n+\t/* Distribute ring information to firmware */\n+\tnn_cfg_writel(&vdpa_hw->super, NFP_NET_CFG_TX_USED_INDEX,\n+\t\t\tvdpa_hw->vring[1].last_used_idx);\n+\tnn_cfg_writel(&vdpa_hw->super, NFP_NET_CFG_RX_USED_INDEX,\n+\t\t\tvdpa_hw->vring[0].last_used_idx);\n+}\n+\n static uint32_t\n nfp_vdpa_check_offloads(void)\n {\n@@ -199,6 +209,9 @@ nfp_vdpa_queue_config(struct nfp_vdpa_hw *vdpa_hw,\n \n \tnn_cfg_writeq(hw, NFP_NET_CFG_RXR_ADDR(2), vdpa_hw->vring[0].used);\n \n+\tif (!relay)\n+\t\tnfp_vdpa_hw_queue_init(vdpa_hw);\n+\n \trte_wmb();\n }\n \n", "prefixes": [ "08/10" ] }