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GET /api/patches/2221691/?format=api
{ "id": 2221691, "url": "http://patchwork.ozlabs.org/api/patches/2221691/?format=api", "web_url": "http://patchwork.ozlabs.org/project/qemu-devel/patch/20260410-write_booster-v5-5-d44e1a0e191c@samsung.com/", "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": "<20260410-write_booster-v5-5-d44e1a0e191c@samsung.com>", "list_archive_url": null, "date": "2026-04-10T05:57:18", "name": "[v5,5/5] tests/qtest: Add UFS Write Booster QTest", "commit_ref": null, "pull_url": null, "state": "new", "archived": false, "hash": "4b3464975d4b3155c0150e23e7e09735fa711f37", "submitter": { "id": 93039, "url": "http://patchwork.ozlabs.org/api/people/93039/?format=api", "name": "Jaemyung Lee", "email": "ldc.jml@gmail.com" }, "delegate": null, "mbox": "http://patchwork.ozlabs.org/project/qemu-devel/patch/20260410-write_booster-v5-5-d44e1a0e191c@samsung.com/mbox/", "series": [ { "id": 499400, "url": "http://patchwork.ozlabs.org/api/series/499400/?format=api", "web_url": "http://patchwork.ozlabs.org/project/qemu-devel/list/?series=499400", "date": "2026-04-10T05:57:14", "name": "hw/ufs: Add Write Booster Support on UFS", "version": 5, "mbox": "http://patchwork.ozlabs.org/series/499400/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/patches/2221691/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/2221691/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 (2048-bit key;\n unprotected) header.d=gmail.com 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adf61e73a8af0-39fe3cf233fmr2319155637.17.1775800660823;\n Thu, 09 Apr 2026 22:57:40 -0700 (PDT)", "From": "Jaemyung Lee <ldc.jml@gmail.com>", "X-Google-Original-From": "Jaemyung Lee <jaemyung.lee@samsung.com>", "Date": "Fri, 10 Apr 2026 14:57:18 +0900", "Subject": "[PATCH v5 5/5] tests/qtest: Add UFS Write Booster QTest", "MIME-Version": "1.0", "Content-Type": "text/plain; charset=\"utf-8\"", "Content-Transfer-Encoding": "7bit", "Message-Id": "<20260410-write_booster-v5-5-d44e1a0e191c@samsung.com>", "References": "<20260410-write_booster-v5-0-d44e1a0e191c@samsung.com>", "In-Reply-To": "<20260410-write_booster-v5-0-d44e1a0e191c@samsung.com>", "To": "qemu-devel@nongnu.org", "Cc": "Jeuk Kim <jeuk20.kim@samsung.com>, Kevin Wolf <kwolf@redhat.com>,\n Hanna Reitz <hreitz@redhat.com>, qemu-block@nongnu.org,\n Fabiano Rosas <farosas@suse.de>, Laurent Vivier <lvivier@redhat.com>,\n Paolo Bonzini <pbonzini@redhat.com>,\n Jaemyung Lee <jaemyung.lee@samsung.com>", "X-Mailer": "b4 0.14.2", "X-Developer-Signature": "v=1; a=ed25519-sha256; t=1775800645; l=8918;\n i=jaemyung.lee@samsung.com; s=20260402; h=from:subject:message-id;\n bh=rU67KxRcVLL6ZVBVhiBQ/INRn8llY3KXffQmzbO047E=;\n b=9aBa1DA8BEB/wBsYy+k3c3Bh5gJpLqOCExbaDWns0ydiSQAT4zknTw3J0R5LIH1lumD5kFBAg\n vG0L80gPwyVAlDvp+poDJy9rVT3+uylJ8BRUYBTJnEaIMFpflPBuWUH", "X-Developer-Key": "i=jaemyung.lee@samsung.com; a=ed25519;\n pk=bZPd7A/kteUO62FfUM6IrI1LuBPe5QrcqfvsitM1ZjE=", "Received-SPF": "pass client-ip=2607:f8b0:4864:20::535;\n envelope-from=ldc.jml@gmail.com; helo=mail-pg1-x535.google.com", "X-Spam_score_int": "-20", "X-Spam_score": "-2.1", "X-Spam_bar": "--", "X-Spam_report": "(-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1,\n DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, FREEMAIL_FROM=0.001,\n RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001,\n SPF_PASS=-0.001 autolearn=unavailable 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>", "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 <jaemyung.lee@samsung.com>\n---\n tests/qtest/ufs-test.c | 176 +++++++++++++++++++++++++++++++++++++++++++++++++\n 1 file changed, 176 insertions(+)", "diff": "diff --git a/tests/qtest/ufs-test.c b/tests/qtest/ufs-test.c\nindex 7f999441552a105987aaaf8e2b976f4a05f953ed..253fea27a5e52619f433d15075500a566eddeccc 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": [ "v5", "5/5" ] }