get:
Show a patch.

patch:
Update a patch.

put:
Update a patch.

GET /api/patches/2217682/?format=api
HTTP 200 OK
Allow: GET, PUT, PATCH, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "id": 2217682,
    "url": "http://patchwork.ozlabs.org/api/patches/2217682/?format=api",
    "web_url": "http://patchwork.ozlabs.org/project/qemu-devel/patch/20260330113436epcms2p2501e3cc236194ac83832914eb08eea3a@epcms2p2/",
    "project": {
        "id": 14,
        "url": "http://patchwork.ozlabs.org/api/projects/14/?format=api",
        "name": "QEMU Development",
        "link_name": "qemu-devel",
        "list_id": "qemu-devel.nongnu.org",
        "list_email": "qemu-devel@nongnu.org",
        "web_url": "",
        "scm_url": "",
        "webscm_url": "",
        "list_archive_url": "",
        "list_archive_url_format": "",
        "commit_url_format": ""
    },
    "msgid": "<20260330113436epcms2p2501e3cc236194ac83832914eb08eea3a@epcms2p2>",
    "list_archive_url": null,
    "date": "2026-03-30T11:34:36",
    "name": "[5/5] tests/qtest: Add UFS Write Booster QTest",
    "commit_ref": null,
    "pull_url": null,
    "state": "new",
    "archived": false,
    "hash": "ff764bbc8a2bf60571234c3b8978c71569a63bc7",
    "submitter": {
        "id": 93006,
        "url": "http://patchwork.ozlabs.org/api/people/93006/?format=api",
        "name": "Jaemyung Lee",
        "email": "jaemyung.lee@samsung.com"
    },
    "delegate": null,
    "mbox": "http://patchwork.ozlabs.org/project/qemu-devel/patch/20260330113436epcms2p2501e3cc236194ac83832914eb08eea3a@epcms2p2/mbox/",
    "series": [
        {
            "id": 497999,
            "url": "http://patchwork.ozlabs.org/api/series/497999/?format=api",
            "web_url": "http://patchwork.ozlabs.org/project/qemu-devel/list/?series=497999",
            "date": "2026-03-30T11:29:39",
            "name": "[1/5] hw/ufs: Apply UFS 4.1 Specification",
            "version": 1,
            "mbox": "http://patchwork.ozlabs.org/series/497999/mbox/"
        }
    ],
    "comments": "http://patchwork.ozlabs.org/api/patches/2217682/comments/",
    "check": "pending",
    "checks": "http://patchwork.ozlabs.org/api/patches/2217682/checks/",
    "tags": {},
    "related": [],
    "headers": {
        "Return-Path": "<qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org>",
        "X-Original-To": "incoming@patchwork.ozlabs.org",
        "Delivered-To": "patchwork-incoming@legolas.ozlabs.org",
        "Authentication-Results": [
            "legolas.ozlabs.org;\n\tdkim=pass (1024-bit key;\n unprotected) header.d=samsung.com header.i=@samsung.com header.a=rsa-sha256\n header.s=mail20170921 header.b=fMC0VTUd;\n\tdkim-atps=neutral",
            "legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=nongnu.org\n (client-ip=209.51.188.17; helo=lists.gnu.org;\n envelope-from=qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org;\n receiver=patchwork.ozlabs.org)"
        ],
        "Received": [
            "from lists.gnu.org (lists.gnu.org [209.51.188.17])\n\t(using TLSv1.2 with cipher ECDHE-ECDSA-AES256-GCM-SHA384 (256/256 bits))\n\t(No client certificate requested)\n\tby legolas.ozlabs.org (Postfix) with ESMTPS id 4fkq0t3ws1z1y1q\n\tfor <incoming@patchwork.ozlabs.org>; Mon, 30 Mar 2026 22:34:54 +1100 (AEDT)",
            "from localhost ([::1] helo=lists1p.gnu.org)\n\tby lists.gnu.org with esmtp (Exim 4.90_1)\n\t(envelope-from <qemu-devel-bounces@nongnu.org>)\n\tid 1w7AtM-0001co-2G; Mon, 30 Mar 2026 07:34:49 -0400",
            "from eggs.gnu.org ([2001:470:142:3::10])\n by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256)\n (Exim 4.90_1) (envelope-from <jaemyung.lee@samsung.com>)\n id 1w7AtH-0001cA-2b\n for qemu-devel@nongnu.org; Mon, 30 Mar 2026 07:34:43 -0400",
            "from mailout4.samsung.com ([203.254.224.34])\n by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256)\n (Exim 4.90_1) (envelope-from <jaemyung.lee@samsung.com>)\n id 1w7AtE-0002Rx-T8\n for qemu-devel@nongnu.org; Mon, 30 Mar 2026 07:34:42 -0400",
            "from epcas2p1.samsung.com (unknown [182.195.41.53])\n by mailout4.samsung.com (KnoxPortal) with ESMTP id\n 20260330113438epoutp04e2d3de068d203918ed5b601236a9f5d5~hm0v3cIqT3269332693epoutp04O\n for <qemu-devel@nongnu.org>; Mon, 30 Mar 2026 11:34:38 +0000 (GMT)",
            "from epsnrtp03.localdomain (unknown [182.195.42.155]) by\n epcas2p3.samsung.com (KnoxPortal) with ESMTPS id\n 20260330113438epcas2p3fa4557fe381880cfa2e1ffeebf460337~hm0vQ_vGm0308203082epcas2p3D;\n Mon, 30 Mar 2026 11:34:38 +0000 (GMT)",
            "from epcas2p3.samsung.com (unknown [182.195.38.210]) by\n epsnrtp03.localdomain (Postfix) with ESMTP id 4fkq0Y5W2Hz3hhTC; Mon, 30 Mar\n 2026 11:34:37 +0000 (GMT)"
        ],
        "DKIM-Filter": "OpenDKIM Filter v2.11.0 mailout4.samsung.com\n 20260330113438epoutp04e2d3de068d203918ed5b601236a9f5d5~hm0v3cIqT3269332693epoutp04O",
        "DKIM-Signature": "v=1; a=rsa-sha256; c=relaxed/relaxed; d=samsung.com;\n s=mail20170921; t=1774870478;\n bh=929hjWggUVrwdftbuwljFXVoep6Fcv0oj2X4PuMCbKE=;\n h=Subject:Reply-To:From:To:CC:Date:References:From;\n b=fMC0VTUdx9WThTl0jrar4TKYL48Ed/rmmn6H4DycPPlkmzRZETqzNIUHep/NxArpj\n 38qajVsgDyonKXe3Y1ewjbyb6XsB2SEkjl3T4x1ly+YmyokSD5jkgGCJ/TT/CixTGK\n dgLaXs7B0EfqvNCpofMcG4bE4h281GZwJWiTCHrI=",
        "Mime-Version": "1.0",
        "Subject": "[PATCH 5/5] tests/qtest: Add UFS Write Booster QTest",
        "From": "Jaemyung Lee <jaemyung.lee@samsung.com>",
        "To": "\"qemu-devel@nongnu.org\" <qemu-devel@nongnu.org>",
        "CC": "Jeuk Kim <jeuk20.kim@samsung.com>, \"kwolf@redhat.com\"\n <kwolf@redhat.com>, \"hreitz@redhat.com\" <hreitz@redhat.com>,\n \"qemu-block@nongnu.org\" <qemu-block@nongnu.org>, \"farosas@suse.de\"\n <farosas@suse.de>, \"lvivier@redhat.com\" <lvivier@redhat.com>,\n \"pbonzini@redhat.com\" <pbonzini@redhat.com>",
        "X-Priority": "3",
        "X-Content-Kind-Code": "NORMAL",
        "X-CPGS-Detection": "blocking_info_exchange",
        "X-Drm-Type": "N,general",
        "X-Msg-Generator": "Mail",
        "X-Msg-Type": "PERSONAL",
        "X-Reply-Demand": "N",
        "Message-ID": "<20260330113436epcms2p2501e3cc236194ac83832914eb08eea3a@epcms2p2>",
        "Date": "Mon, 30 Mar 2026 20:34:36 +0900",
        "X-CMS-MailID": "20260330113436epcms2p2501e3cc236194ac83832914eb08eea3a",
        "Content-Transfer-Encoding": "7bit",
        "Content-Type": "text/plain; charset=\"utf-8\"",
        "X-Sendblock-Type": "AUTO_CONFIDENTIAL",
        "CMS-TYPE": "102P",
        "cpgsPolicy": "CPGSC10-223,Y",
        "X-CFilter-Loop": "Reflected",
        "X-CMS-RootMailID": "20260330112748epcms2p1717e93009f7fb87a8156ee07a9400502",
        "References": "\n <CGME20260330112748epcms2p1717e93009f7fb87a8156ee07a9400502@epcms2p2>",
        "Received-SPF": "pass client-ip=203.254.224.34;\n envelope-from=jaemyung.lee@samsung.com; helo=mailout4.samsung.com",
        "X-Spam_score_int": "-29",
        "X-Spam_score": "-3.0",
        "X-Spam_bar": "---",
        "X-Spam_report": "(-3.0 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.54,\n DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1,\n RCVD_IN_DNSWL_MED=-2.3, RCVD_IN_MSPIKE_H3=-0.01, RCVD_IN_MSPIKE_WL=-0.01,\n RCVD_IN_VALIDITY_CERTIFIED_BLOCKED=1, RCVD_IN_VALIDITY_RPBL_BLOCKED=1,\n SPF_HELO_PASS=-0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no",
        "X-Spam_action": "no action",
        "X-BeenThere": "qemu-devel@nongnu.org",
        "X-Mailman-Version": "2.1.29",
        "Precedence": "list",
        "List-Id": "qemu development <qemu-devel.nongnu.org>",
        "List-Unsubscribe": "<https://lists.nongnu.org/mailman/options/qemu-devel>,\n <mailto:qemu-devel-request@nongnu.org?subject=unsubscribe>",
        "List-Archive": "<https://lists.nongnu.org/archive/html/qemu-devel>",
        "List-Post": "<mailto:qemu-devel@nongnu.org>",
        "List-Help": "<mailto:qemu-devel-request@nongnu.org?subject=help>",
        "List-Subscribe": "<https://lists.nongnu.org/mailman/listinfo/qemu-devel>,\n <mailto:qemu-devel-request@nongnu.org?subject=subscribe>",
        "Reply-To": "jaemyung.lee@samsung.com",
        "Errors-To": "qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org",
        "Sender": "qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org"
    },
    "content": "It adds 'wb-init' and 'wb-read-write' TCs into tests/qtest/ufs-test.c.\n'wb-init' tests that the WB support is properly initialized with UFS\ndevice and 'wb-read-write' tests that WB can be enabled and WRITE I/O\ncan be handled/buffered as a WB command.\n\nSigned-off-by: Jaemyung Lee <jameyung.lee@samsung.com>\n---\n tests/qtest/ufs-test.c | 176 +++++++++++++++++++++++++++++++++++++++++\n 1 file changed, 176 insertions(+)\n\n--\n2.34.1",
    "diff": "diff --git a/tests/qtest/ufs-test.c b/tests/qtest/ufs-test.c\nindex 7f99944155..253fea27a5 100644\n--- a/tests/qtest/ufs-test.c\n+++ b/tests/qtest/ufs-test.c\n@@ -1182,6 +1182,173 @@ static void ufstest_query_desc_request(void *obj, void *data,\n     ufs_exit(ufs, alloc);\n }\n\n+static void ufstest_wb_init(void *obj, void *data, QGuestAllocator *alloc)\n+{\n+    QUfs *ufs = obj;\n+    enum UtpOcsCodes ocs;\n+    UtpUpiuRsp rsp_upiu;\n+    uint8_t *desc;\n+    uint32_t value;\n+\n+    ufs_init(ufs, alloc);\n+\n+    /* Read Device Descriptor */\n+    ocs = ufs_send_query(ufs, UFS_UPIU_QUERY_FUNC_STANDARD_READ_REQUEST,\n+                         UFS_UPIU_QUERY_OPCODE_READ_DESC,\n+                         UFS_QUERY_DESC_IDN_DEVICE, 0, 0, 0, &rsp_upiu);\n+    g_assert_cmpuint(ocs, ==, UFS_OCS_SUCCESS);\n+    g_assert_cmpuint(rsp_upiu.header.response, ==, UFS_COMMAND_RESULT_SUCCESS);\n+    g_assert_cmpuint(rsp_upiu.qr.opcode, ==, UFS_UPIU_QUERY_OPCODE_READ_DESC);\n+    g_assert_cmpuint(rsp_upiu.qr.idn, ==, UFS_QUERY_DESC_IDN_DEVICE);\n+    g_assert_cmpuint(rsp_upiu.qr.data[0], ==, sizeof(DeviceDescriptor));\n+    g_assert_cmpuint(rsp_upiu.qr.data[1], ==, UFS_QUERY_DESC_IDN_DEVICE);\n+\n+    /* Check Write Booster Supportability */\n+    desc = rsp_upiu.qr.data;\n+\n+    value = *(uint16_t *)(desc + UFS_DEVICE_DESC_PARAM_EXT_WB_SUP);\n+    value = be16_to_cpu(value);\n+    g_assert_cmpuint(value, ==, WB_RESIZE | WB_FIFO | WB_PINNED);\n+\n+    value = *(uint32_t *)(desc + UFS_DEVICE_DESC_PARAM_EXT_UFS_FEATURE_SUP);\n+    value = be32_to_cpu(value);\n+    g_assert_cmpuint(value & UFS_DEV_WB_SUPPORT, ==, UFS_DEV_WB_SUPPORT);\n+\n+    /* Read Geometry Descriptor */\n+    ocs = ufs_send_query(ufs, UFS_UPIU_QUERY_FUNC_STANDARD_READ_REQUEST,\n+                         UFS_UPIU_QUERY_OPCODE_READ_DESC,\n+                         UFS_QUERY_DESC_IDN_GEOMETRY, 0, 0, 0, &rsp_upiu);\n+    g_assert_cmpuint(ocs, ==, UFS_OCS_SUCCESS);\n+    g_assert_cmpuint(rsp_upiu.header.response, ==, UFS_COMMAND_RESULT_SUCCESS);\n+    g_assert_cmpuint(rsp_upiu.qr.data[0], ==, sizeof(GeometryDescriptor));\n+    g_assert_cmpuint(rsp_upiu.qr.data[1], ==, UFS_QUERY_DESC_IDN_GEOMETRY);\n+\n+    /* Check Write Booster Configuration */\n+    desc = rsp_upiu.qr.data;\n+\n+    value = *(uint32_t *)(desc + UFS_GEOMETRY_DESC_PARAM_WB_MAX_ALLOC_UNITS);\n+    value = be32_to_cpu(value);\n+    g_assert_cmpuint(value, ==, 1024);\n+\n+    value = desc[UFS_GEOMETRY_DESC_PARAM_WB_MAX_WB_LUNS];\n+    g_assert_cmpuint(value, ==, 1);\n+\n+    value = desc[UFS_GEOMETRY_DESC_PARAM_WB_BUFF_CAP_ADJ];\n+    g_assert_cmpuint(value, ==, 3);\n+\n+    value = desc[UFS_GEOMETRY_DESC_PARAM_WB_SUP_RED_TYPE];\n+    g_assert_cmpuint(value, ==, 1);\n+\n+    value = desc[UFS_GEOMETRY_DESC_PARAM_WB_SUP_WB_TYPE];\n+    g_assert_cmpuint(value, ==, 1);\n+\n+    ufs_exit(ufs, alloc);\n+}\n+\n+static void ufstest_wb_read_write(void *obj, void *data, QGuestAllocator *alloc)\n+{\n+    QUfs *ufs = obj;\n+    uint8_t read_buf[4096] = { 0 };\n+    uint8_t write_buf[4096] = { 0 };\n+    const uint8_t read_capacity_cdb[UFS_CDB_SIZE] = {\n+        /* allocation length 4096 */\n+        SERVICE_ACTION_IN_16,\n+        SAI_READ_CAPACITY_16,\n+        0x00,\n+        0x00,\n+        0x00,\n+        0x00,\n+        0x00,\n+        0x00,\n+        0x00,\n+        0x00,\n+        0x00,\n+        0x00,\n+        0x10,\n+        0x00,\n+        0x00,\n+        0x00\n+    };\n+    const uint8_t request_sense_cdb[UFS_CDB_SIZE] = {\n+        REQUEST_SENSE,\n+    };\n+    const uint8_t write_cdb[UFS_CDB_SIZE] = {\n+        /* WRITE(10) to LBA 0, transfer length 1 */\n+        WRITE_10, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x00\n+    };\n+    uint32_t block_size;\n+    enum UtpOcsCodes ocs;\n+    UtpUpiuRsp rsp_upiu;\n+    const int test_lun = 1;\n+    uint64_t end_time;\n+\n+    ufs_init(ufs, alloc);\n+\n+    /* Clear Unit Attention */\n+    ocs = ufs_send_scsi_command(ufs, test_lun, request_sense_cdb, NULL, 0,\n+                                read_buf, sizeof(read_buf), &rsp_upiu);\n+    g_assert_cmpuint(ocs, ==, UFS_OCS_SUCCESS);\n+    g_assert_cmpuint(rsp_upiu.header.scsi_status, ==, CHECK_CONDITION);\n+\n+    /* Read capacity */\n+    ocs = ufs_send_scsi_command(ufs, test_lun, read_capacity_cdb, NULL, 0,\n+                                read_buf, sizeof(read_buf), &rsp_upiu);\n+    g_assert_cmpuint(ocs, ==, UFS_OCS_SUCCESS);\n+    g_assert_cmpuint(rsp_upiu.header.scsi_status, ==,\n+                     UFS_COMMAND_RESULT_SUCCESS);\n+    block_size = ldl_be_p(&read_buf[8]);\n+    g_assert_cmpuint(block_size, ==, 4096);\n+\n+    /* Check available buffer size */\n+    ocs = ufs_send_query(ufs, UFS_UPIU_QUERY_FUNC_STANDARD_READ_REQUEST,\n+                         UFS_UPIU_QUERY_OPCODE_READ_ATTR,\n+                         UFS_QUERY_ATTR_IDN_AVAIL_WB_BUFF_SIZE, 0, 0, 0, &rsp_upiu);\n+    g_assert_cmpuint(ocs, ==, UFS_OCS_SUCCESS);\n+    g_assert_cmpuint(rsp_upiu.header.response, ==, UFS_COMMAND_RESULT_SUCCESS);\n+    g_assert_cmpuint(rsp_upiu.qr.opcode, ==, UFS_UPIU_QUERY_OPCODE_READ_ATTR);\n+    g_assert_cmpuint(rsp_upiu.qr.idn, ==, UFS_QUERY_ATTR_IDN_AVAIL_WB_BUFF_SIZE);\n+    g_assert_cmpuint(rsp_upiu.qr.value, ==, cpu_to_be32(0xA));\n+\n+    /* Enable WB */\n+    ocs = ufs_send_query(ufs, UFS_UPIU_QUERY_FUNC_STANDARD_WRITE_REQUEST,\n+                         UFS_UPIU_QUERY_OPCODE_SET_FLAG,\n+                         UFS_QUERY_FLAG_IDN_WB_EN, 0, 0, 0,\n+                         &rsp_upiu);\n+    g_assert_cmpuint(ocs, ==, UFS_OCS_SUCCESS);\n+    g_assert_cmpuint(rsp_upiu.header.response, ==, UFS_COMMAND_RESULT_SUCCESS);\n+    g_assert_cmpuint(rsp_upiu.qr.value, ==, be32_to_cpu(1));\n+\n+    /* Write data */\n+    for (int i = 0; i < 256; i++) {\n+        memset(write_buf, 0xab, block_size);\n+        ocs = ufs_send_scsi_command(ufs, test_lun, write_cdb, write_buf,\n+                                    block_size, NULL, 0, &rsp_upiu);\n+        g_assert_cmpuint(ocs, ==, UFS_OCS_SUCCESS);\n+        g_assert_cmpuint(rsp_upiu.header.scsi_status, ==,\n+                         UFS_COMMAND_RESULT_SUCCESS);\n+    }\n+\n+    end_time = g_get_monotonic_time() + TIMEOUT_SECONDS * G_TIME_SPAN_SECOND;\n+    do {\n+        qtest_clock_step(ufs->dev.bus->qts, 100);\n+\n+        /* Check available buffer size */\n+        ocs = ufs_send_query(ufs, UFS_UPIU_QUERY_FUNC_STANDARD_READ_REQUEST,\n+                             UFS_UPIU_QUERY_OPCODE_READ_ATTR,\n+                             UFS_QUERY_ATTR_IDN_AVAIL_WB_BUFF_SIZE, 0, 0, 0,\n+                             &rsp_upiu);\n+        g_assert_cmpuint(ocs, ==, UFS_OCS_SUCCESS);\n+        g_assert_cmpuint(rsp_upiu.header.response, ==, UFS_COMMAND_RESULT_SUCCESS);\n+        g_assert_cmpuint(rsp_upiu.qr.opcode, ==, UFS_UPIU_QUERY_OPCODE_READ_ATTR);\n+        g_assert_cmpuint(rsp_upiu.qr.idn, ==, UFS_QUERY_ATTR_IDN_AVAIL_WB_BUFF_SIZE);\n+    } while (rsp_upiu.qr.value == cpu_to_be32(0xA) && g_get_monotonic_time() < end_time);\n+\n+    /* Check available buffer size */\n+    g_assert_cmpuint(rsp_upiu.qr.value, ==, cpu_to_be32(0x9));\n+\n+    ufs_exit(ufs, alloc);\n+}\n+\n static void drive_destroy(void *path)\n {\n     unlink(path);\n@@ -1234,6 +1401,13 @@ static void ufs_register_nodes(void)\n                                           .edge.extra_device_opts =\n                                               \"mcq=true,mcq-maxq=1\" };\n\n+    QOSGraphTestOptions wb_test_opts = { .before = ufs_blk_test_setup,\n+                                         .edge.extra_device_opts =\n+                                             \"mcq=false,nutrs=32,nutmrs=8,\"\n+                                             \"wb-max-size=1024,wb-min-size=256,\"\n+                                             \"wb-max-lus=1,wb-cap-adj-fac=3,\"\n+                                             \"wb-reduction=1\" };\n+\n     add_qpci_address(&edge_opts, &(QPCIAddress){ .devfn = QPCI_DEVFN(4, 0) });\n\n     qos_node_create_driver(\"ufs\", ufs_create);\n@@ -1262,6 +1436,8 @@ static void ufs_register_nodes(void)\n                  &io_test_opts);\n     qos_add_test(\"query-desciptor\", \"ufs\", ufstest_query_desc_request,\n                  &io_test_opts);\n+    qos_add_test(\"wb-init\", \"ufs\", ufstest_wb_init, &wb_test_opts);\n+    qos_add_test(\"wb-read-write\", \"ufs\", ufstest_wb_read_write, &wb_test_opts);\n }\n\n libqos_init(ufs_register_nodes);\n",
    "prefixes": [
        "5/5"
    ]
}