xref: /openbmc/qemu/tests/qtest/ufs-test.c (revision 2df1eb27)
1 /*
2  * QTest testcase for UFS
3  *
4  * Copyright (c) 2023 Samsung Electronics Co., Ltd. All rights reserved.
5  *
6  * SPDX-License-Identifier: GPL-2.0-or-later
7  */
8 
9 #include "qemu/osdep.h"
10 #include "qemu/module.h"
11 #include "qemu/units.h"
12 #include "libqtest.h"
13 #include "libqos/qgraph.h"
14 #include "libqos/pci.h"
15 #include "scsi/constants.h"
16 #include "include/block/ufs.h"
17 
18 /* Test images sizes in Bytes */
19 #define TEST_IMAGE_SIZE (64 * 1024 * 1024)
20 /* Timeout for various operations, in seconds. */
21 #define TIMEOUT_SECONDS 10
22 /* Maximum PRD entry count */
23 #define MAX_PRD_ENTRY_COUNT 10
24 #define PRD_ENTRY_DATA_SIZE 4096
25 /* Constants to build upiu */
26 #define UTP_COMMAND_DESCRIPTOR_SIZE 4096
27 #define UTP_RESPONSE_UPIU_OFFSET 1024
28 #define UTP_PRDT_UPIU_OFFSET 2048
29 
30 typedef struct QUfs QUfs;
31 
32 struct QUfs {
33     QOSGraphObject obj;
34     QPCIDevice dev;
35     QPCIBar bar;
36 
37     uint64_t utrlba;
38     uint64_t utmrlba;
39     uint64_t cmd_desc_addr;
40     uint64_t data_buffer_addr;
41 
42     bool enabled;
43 };
44 
45 static inline uint32_t ufs_rreg(QUfs *ufs, size_t offset)
46 {
47     return qpci_io_readl(&ufs->dev, ufs->bar, offset);
48 }
49 
50 static inline void ufs_wreg(QUfs *ufs, size_t offset, uint32_t value)
51 {
52     qpci_io_writel(&ufs->dev, ufs->bar, offset, value);
53 }
54 
55 static void ufs_wait_for_irq(QUfs *ufs)
56 {
57     uint64_t end_time;
58     uint32_t is;
59     /* Wait for device to reset as the linux driver does. */
60     end_time = g_get_monotonic_time() + TIMEOUT_SECONDS * G_TIME_SPAN_SECOND;
61     do {
62         qtest_clock_step(ufs->dev.bus->qts, 100);
63         is = ufs_rreg(ufs, A_IS);
64     } while (is == 0 && g_get_monotonic_time() < end_time);
65 }
66 
67 static UtpTransferReqDesc ufs_build_req_utrd(uint64_t cmd_desc_addr,
68                                              uint8_t slot,
69                                              uint32_t data_direction,
70                                              uint16_t prd_table_length)
71 {
72     UtpTransferReqDesc req = { 0 };
73     uint64_t command_desc_base_addr =
74         cmd_desc_addr + slot * UTP_COMMAND_DESCRIPTOR_SIZE;
75 
76     req.header.dword_0 =
77         cpu_to_le32(1 << 28 | data_direction | UFS_UTP_REQ_DESC_INT_CMD);
78     req.header.dword_2 = cpu_to_le32(UFS_OCS_INVALID_COMMAND_STATUS);
79 
80     req.command_desc_base_addr_hi = cpu_to_le32(command_desc_base_addr >> 32);
81     req.command_desc_base_addr_lo =
82         cpu_to_le32(command_desc_base_addr & 0xffffffff);
83     req.response_upiu_offset =
84         cpu_to_le16(UTP_RESPONSE_UPIU_OFFSET / sizeof(uint32_t));
85     req.response_upiu_length = cpu_to_le16(sizeof(UtpUpiuRsp));
86     req.prd_table_offset = cpu_to_le16(UTP_PRDT_UPIU_OFFSET / sizeof(uint32_t));
87     req.prd_table_length = cpu_to_le16(prd_table_length);
88     return req;
89 }
90 
91 static void ufs_send_nop_out(QUfs *ufs, uint8_t slot,
92                              UtpTransferReqDesc *utrd_out, UtpUpiuRsp *rsp_out)
93 {
94     /* Build up utp transfer request descriptor */
95     UtpTransferReqDesc utrd = ufs_build_req_utrd(ufs->cmd_desc_addr, slot,
96                                                  UFS_UTP_NO_DATA_TRANSFER, 0);
97     uint64_t utrd_addr = ufs->utrlba + slot * sizeof(UtpTransferReqDesc);
98     uint64_t req_upiu_addr =
99         ufs->cmd_desc_addr + slot * UTP_COMMAND_DESCRIPTOR_SIZE;
100     uint64_t rsp_upiu_addr = req_upiu_addr + UTP_RESPONSE_UPIU_OFFSET;
101     qtest_memwrite(ufs->dev.bus->qts, utrd_addr, &utrd, sizeof(utrd));
102 
103     /* Build up request upiu */
104     UtpUpiuReq req_upiu = { 0 };
105     req_upiu.header.trans_type = UFS_UPIU_TRANSACTION_NOP_OUT;
106     req_upiu.header.task_tag = slot;
107     qtest_memwrite(ufs->dev.bus->qts, req_upiu_addr, &req_upiu,
108                    sizeof(req_upiu));
109 
110     /* Ring Doorbell */
111     ufs_wreg(ufs, A_UTRLDBR, 1);
112     ufs_wait_for_irq(ufs);
113     g_assert_true(FIELD_EX32(ufs_rreg(ufs, A_IS), IS, UTRCS));
114     ufs_wreg(ufs, A_IS, FIELD_DP32(0, IS, UTRCS, 1));
115 
116     qtest_memread(ufs->dev.bus->qts, utrd_addr, utrd_out, sizeof(*utrd_out));
117     qtest_memread(ufs->dev.bus->qts, rsp_upiu_addr, rsp_out, sizeof(*rsp_out));
118 }
119 
120 static void ufs_send_query(QUfs *ufs, uint8_t slot, uint8_t query_function,
121                            uint8_t query_opcode, uint8_t idn, uint8_t index,
122                            UtpTransferReqDesc *utrd_out, UtpUpiuRsp *rsp_out)
123 {
124     /* Build up utp transfer request descriptor */
125     UtpTransferReqDesc utrd = ufs_build_req_utrd(ufs->cmd_desc_addr, slot,
126                                                  UFS_UTP_NO_DATA_TRANSFER, 0);
127     uint64_t utrd_addr = ufs->utrlba + slot * sizeof(UtpTransferReqDesc);
128     uint64_t req_upiu_addr =
129         ufs->cmd_desc_addr + slot * UTP_COMMAND_DESCRIPTOR_SIZE;
130     uint64_t rsp_upiu_addr = req_upiu_addr + UTP_RESPONSE_UPIU_OFFSET;
131     qtest_memwrite(ufs->dev.bus->qts, utrd_addr, &utrd, sizeof(utrd));
132 
133     /* Build up request upiu */
134     UtpUpiuReq req_upiu = { 0 };
135     req_upiu.header.trans_type = UFS_UPIU_TRANSACTION_QUERY_REQ;
136     req_upiu.header.query_func = query_function;
137     req_upiu.header.task_tag = slot;
138     /*
139      * QEMU UFS does not currently support Write descriptor and Write attribute,
140      * so the value of data_segment_length is always 0.
141      */
142     req_upiu.header.data_segment_length = 0;
143     req_upiu.qr.opcode = query_opcode;
144     req_upiu.qr.idn = idn;
145     req_upiu.qr.index = index;
146     qtest_memwrite(ufs->dev.bus->qts, req_upiu_addr, &req_upiu,
147                    sizeof(req_upiu));
148 
149     /* Ring Doorbell */
150     ufs_wreg(ufs, A_UTRLDBR, 1);
151     ufs_wait_for_irq(ufs);
152     g_assert_true(FIELD_EX32(ufs_rreg(ufs, A_IS), IS, UTRCS));
153     ufs_wreg(ufs, A_IS, FIELD_DP32(0, IS, UTRCS, 1));
154 
155     qtest_memread(ufs->dev.bus->qts, utrd_addr, utrd_out, sizeof(*utrd_out));
156     qtest_memread(ufs->dev.bus->qts, rsp_upiu_addr, rsp_out, sizeof(*rsp_out));
157 }
158 
159 static void ufs_send_scsi_command(QUfs *ufs, uint8_t slot, uint8_t lun,
160                                   const uint8_t *cdb, const uint8_t *data_in,
161                                   size_t data_in_len, uint8_t *data_out,
162                                   size_t data_out_len,
163                                   UtpTransferReqDesc *utrd_out,
164                                   UtpUpiuRsp *rsp_out)
165 
166 {
167     /* Build up PRDT */
168     UfshcdSgEntry entries[MAX_PRD_ENTRY_COUNT] = {
169         0,
170     };
171     uint8_t flags;
172     uint16_t prd_table_length, i;
173     uint32_t data_direction, data_len;
174     uint64_t req_upiu_addr =
175         ufs->cmd_desc_addr + slot * UTP_COMMAND_DESCRIPTOR_SIZE;
176     uint64_t prdt_addr = req_upiu_addr + UTP_PRDT_UPIU_OFFSET;
177 
178     g_assert_true(data_in_len < MAX_PRD_ENTRY_COUNT * PRD_ENTRY_DATA_SIZE);
179     g_assert_true(data_out_len < MAX_PRD_ENTRY_COUNT * PRD_ENTRY_DATA_SIZE);
180     if (data_in_len > 0) {
181         g_assert_nonnull(data_in);
182         data_direction = UFS_UTP_HOST_TO_DEVICE;
183         data_len = data_in_len;
184         flags = UFS_UPIU_CMD_FLAGS_WRITE;
185     } else if (data_out_len > 0) {
186         g_assert_nonnull(data_out);
187         data_direction = UFS_UTP_DEVICE_TO_HOST;
188         data_len = data_out_len;
189         flags = UFS_UPIU_CMD_FLAGS_READ;
190     } else {
191         data_direction = UFS_UTP_NO_DATA_TRANSFER;
192         data_len = 0;
193         flags = UFS_UPIU_CMD_FLAGS_NONE;
194     }
195     prd_table_length = DIV_ROUND_UP(data_len, PRD_ENTRY_DATA_SIZE);
196 
197     qtest_memset(ufs->dev.bus->qts, ufs->data_buffer_addr, 0,
198                  MAX_PRD_ENTRY_COUNT * PRD_ENTRY_DATA_SIZE);
199     if (data_in_len) {
200         qtest_memwrite(ufs->dev.bus->qts, ufs->data_buffer_addr, data_in,
201                        data_in_len);
202     }
203 
204     for (i = 0; i < prd_table_length; i++) {
205         entries[i].addr =
206             cpu_to_le64(ufs->data_buffer_addr + i * sizeof(UfshcdSgEntry));
207         if (i + 1 != prd_table_length) {
208             entries[i].size = cpu_to_le32(PRD_ENTRY_DATA_SIZE - 1);
209         } else {
210             entries[i].size = cpu_to_le32(
211                 data_len - (PRD_ENTRY_DATA_SIZE * (prd_table_length - 1)) - 1);
212         }
213     }
214     qtest_memwrite(ufs->dev.bus->qts, prdt_addr, entries,
215                    prd_table_length * sizeof(UfshcdSgEntry));
216 
217     /* Build up utp transfer request descriptor */
218     UtpTransferReqDesc utrd = ufs_build_req_utrd(
219         ufs->cmd_desc_addr, slot, data_direction, prd_table_length);
220     uint64_t utrd_addr = ufs->utrlba + slot * sizeof(UtpTransferReqDesc);
221     uint64_t rsp_upiu_addr = req_upiu_addr + UTP_RESPONSE_UPIU_OFFSET;
222     qtest_memwrite(ufs->dev.bus->qts, utrd_addr, &utrd, sizeof(utrd));
223 
224     /* Build up request upiu */
225     UtpUpiuReq req_upiu = { 0 };
226     req_upiu.header.trans_type = UFS_UPIU_TRANSACTION_COMMAND;
227     req_upiu.header.flags = flags;
228     req_upiu.header.lun = lun;
229     req_upiu.header.task_tag = slot;
230     req_upiu.sc.exp_data_transfer_len = cpu_to_be32(data_len);
231     memcpy(req_upiu.sc.cdb, cdb, UFS_CDB_SIZE);
232     qtest_memwrite(ufs->dev.bus->qts, req_upiu_addr, &req_upiu,
233                    sizeof(req_upiu));
234 
235     /* Ring Doorbell */
236     ufs_wreg(ufs, A_UTRLDBR, 1);
237     ufs_wait_for_irq(ufs);
238     g_assert_true(FIELD_EX32(ufs_rreg(ufs, A_IS), IS, UTRCS));
239     ufs_wreg(ufs, A_IS, FIELD_DP32(0, IS, UTRCS, 1));
240 
241     qtest_memread(ufs->dev.bus->qts, utrd_addr, utrd_out, sizeof(*utrd_out));
242     qtest_memread(ufs->dev.bus->qts, rsp_upiu_addr, rsp_out, sizeof(*rsp_out));
243     if (data_out_len) {
244         qtest_memread(ufs->dev.bus->qts, ufs->data_buffer_addr, data_out,
245                       data_out_len);
246     }
247 }
248 
249 /**
250  * Initialize Ufs host controller and logical unit.
251  * After running this function, you can make a transfer request to the UFS.
252  */
253 static void ufs_init(QUfs *ufs, QGuestAllocator *alloc)
254 {
255     uint64_t end_time;
256     uint32_t nutrs, nutmrs;
257     uint32_t hcs, is, ucmdarg2, cap;
258     uint32_t hce = 0, ie = 0;
259     UtpTransferReqDesc utrd;
260     UtpUpiuRsp rsp_upiu;
261 
262     ufs->bar = qpci_iomap(&ufs->dev, 0, NULL);
263     qpci_device_enable(&ufs->dev);
264 
265     /* Start host controller initialization */
266     hce = FIELD_DP32(hce, HCE, HCE, 1);
267     ufs_wreg(ufs, A_HCE, hce);
268 
269     /* Wait for device to reset */
270     end_time = g_get_monotonic_time() + TIMEOUT_SECONDS * G_TIME_SPAN_SECOND;
271     do {
272         qtest_clock_step(ufs->dev.bus->qts, 100);
273         hce = FIELD_EX32(ufs_rreg(ufs, A_HCE), HCE, HCE);
274     } while (hce == 0 && g_get_monotonic_time() < end_time);
275     g_assert_cmpuint(hce, ==, 1);
276 
277     /* Enable interrupt */
278     ie = FIELD_DP32(ie, IE, UCCE, 1);
279     ie = FIELD_DP32(ie, IE, UHESE, 1);
280     ie = FIELD_DP32(ie, IE, UHXSE, 1);
281     ie = FIELD_DP32(ie, IE, UPMSE, 1);
282     ufs_wreg(ufs, A_IE, ie);
283 
284     /* Send DME_LINK_STARTUP uic command */
285     hcs = ufs_rreg(ufs, A_HCS);
286     g_assert_true(FIELD_EX32(hcs, HCS, UCRDY));
287 
288     ufs_wreg(ufs, A_UCMDARG1, 0);
289     ufs_wreg(ufs, A_UCMDARG2, 0);
290     ufs_wreg(ufs, A_UCMDARG3, 0);
291     ufs_wreg(ufs, A_UICCMD, UFS_UIC_CMD_DME_LINK_STARTUP);
292 
293     is = ufs_rreg(ufs, A_IS);
294     g_assert_true(FIELD_EX32(is, IS, UCCS));
295     ufs_wreg(ufs, A_IS, FIELD_DP32(0, IS, UCCS, 1));
296 
297     ucmdarg2 = ufs_rreg(ufs, A_UCMDARG2);
298     g_assert_cmpuint(ucmdarg2, ==, 0);
299     is = ufs_rreg(ufs, A_IS);
300     g_assert_cmpuint(is, ==, 0);
301     hcs = ufs_rreg(ufs, A_HCS);
302     g_assert_true(FIELD_EX32(hcs, HCS, DP));
303     g_assert_true(FIELD_EX32(hcs, HCS, UTRLRDY));
304     g_assert_true(FIELD_EX32(hcs, HCS, UTMRLRDY));
305     g_assert_true(FIELD_EX32(hcs, HCS, UCRDY));
306 
307     /* Enable all interrupt functions */
308     ie = FIELD_DP32(ie, IE, UTRCE, 1);
309     ie = FIELD_DP32(ie, IE, UEE, 1);
310     ie = FIELD_DP32(ie, IE, UPMSE, 1);
311     ie = FIELD_DP32(ie, IE, UHXSE, 1);
312     ie = FIELD_DP32(ie, IE, UHESE, 1);
313     ie = FIELD_DP32(ie, IE, UTMRCE, 1);
314     ie = FIELD_DP32(ie, IE, UCCE, 1);
315     ie = FIELD_DP32(ie, IE, DFEE, 1);
316     ie = FIELD_DP32(ie, IE, HCFEE, 1);
317     ie = FIELD_DP32(ie, IE, SBFEE, 1);
318     ie = FIELD_DP32(ie, IE, CEFEE, 1);
319     ufs_wreg(ufs, A_IE, ie);
320     ufs_wreg(ufs, A_UTRIACR, 0);
321 
322     /* Enable transfer request and task management request */
323     cap = ufs_rreg(ufs, A_CAP);
324     nutrs = FIELD_EX32(cap, CAP, NUTRS) + 1;
325     nutmrs = FIELD_EX32(cap, CAP, NUTMRS) + 1;
326     ufs->cmd_desc_addr =
327         guest_alloc(alloc, nutrs * UTP_COMMAND_DESCRIPTOR_SIZE);
328     ufs->data_buffer_addr =
329         guest_alloc(alloc, MAX_PRD_ENTRY_COUNT * PRD_ENTRY_DATA_SIZE);
330     ufs->utrlba = guest_alloc(alloc, nutrs * sizeof(UtpTransferReqDesc));
331     ufs->utmrlba = guest_alloc(alloc, nutmrs * sizeof(UtpTaskReqDesc));
332 
333     ufs_wreg(ufs, A_UTRLBA, ufs->utrlba & 0xffffffff);
334     ufs_wreg(ufs, A_UTRLBAU, ufs->utrlba >> 32);
335     ufs_wreg(ufs, A_UTMRLBA, ufs->utmrlba & 0xffffffff);
336     ufs_wreg(ufs, A_UTMRLBAU, ufs->utmrlba >> 32);
337     ufs_wreg(ufs, A_UTRLRSR, 1);
338     ufs_wreg(ufs, A_UTMRLRSR, 1);
339 
340     /* Send nop out to test transfer request */
341     ufs_send_nop_out(ufs, 0, &utrd, &rsp_upiu);
342     g_assert_cmpuint(le32_to_cpu(utrd.header.dword_2), ==, UFS_OCS_SUCCESS);
343 
344     /* Set fDeviceInit flag via query request */
345     ufs_send_query(ufs, 0, UFS_UPIU_QUERY_FUNC_STANDARD_WRITE_REQUEST,
346                    UFS_UPIU_QUERY_OPCODE_SET_FLAG,
347                    UFS_QUERY_FLAG_IDN_FDEVICEINIT, 0, &utrd, &rsp_upiu);
348     g_assert_cmpuint(le32_to_cpu(utrd.header.dword_2), ==, UFS_OCS_SUCCESS);
349 
350     /* Wait for device to reset */
351     end_time = g_get_monotonic_time() + TIMEOUT_SECONDS * G_TIME_SPAN_SECOND;
352     do {
353         qtest_clock_step(ufs->dev.bus->qts, 100);
354         ufs_send_query(ufs, 0, UFS_UPIU_QUERY_FUNC_STANDARD_READ_REQUEST,
355                        UFS_UPIU_QUERY_OPCODE_READ_FLAG,
356                        UFS_QUERY_FLAG_IDN_FDEVICEINIT, 0, &utrd, &rsp_upiu);
357     } while (be32_to_cpu(rsp_upiu.qr.value) != 0 &&
358              g_get_monotonic_time() < end_time);
359     g_assert_cmpuint(be32_to_cpu(rsp_upiu.qr.value), ==, 0);
360 
361     ufs->enabled = true;
362 }
363 
364 static void ufs_exit(QUfs *ufs, QGuestAllocator *alloc)
365 {
366     if (ufs->enabled) {
367         guest_free(alloc, ufs->utrlba);
368         guest_free(alloc, ufs->utmrlba);
369         guest_free(alloc, ufs->cmd_desc_addr);
370         guest_free(alloc, ufs->data_buffer_addr);
371     }
372 
373     qpci_iounmap(&ufs->dev, ufs->bar);
374 }
375 
376 static void *ufs_get_driver(void *obj, const char *interface)
377 {
378     QUfs *ufs = obj;
379 
380     if (!g_strcmp0(interface, "pci-device")) {
381         return &ufs->dev;
382     }
383 
384     fprintf(stderr, "%s not present in ufs\n", interface);
385     g_assert_not_reached();
386 }
387 
388 static void *ufs_create(void *pci_bus, QGuestAllocator *alloc, void *addr)
389 {
390     QUfs *ufs = g_new0(QUfs, 1);
391     QPCIBus *bus = pci_bus;
392 
393     qpci_device_init(&ufs->dev, bus, addr);
394     ufs->obj.get_driver = ufs_get_driver;
395 
396     return &ufs->obj;
397 }
398 
399 static void ufstest_reg_read(void *obj, void *data, QGuestAllocator *alloc)
400 {
401     QUfs *ufs = obj;
402     uint32_t cap;
403 
404     ufs->bar = qpci_iomap(&ufs->dev, 0, NULL);
405     qpci_device_enable(&ufs->dev);
406 
407     cap = ufs_rreg(ufs, A_CAP);
408     g_assert_cmpuint(FIELD_EX32(cap, CAP, NUTRS), ==, 31);
409     g_assert_cmpuint(FIELD_EX32(cap, CAP, NUTMRS), ==, 7);
410     g_assert_cmpuint(FIELD_EX32(cap, CAP, 64AS), ==, 1);
411 
412     qpci_iounmap(&ufs->dev, ufs->bar);
413 }
414 
415 static void ufstest_init(void *obj, void *data, QGuestAllocator *alloc)
416 {
417     QUfs *ufs = obj;
418 
419     uint8_t buf[4096] = { 0 };
420     const uint8_t report_luns_cdb[UFS_CDB_SIZE] = {
421         /* allocation length 4096 */
422         REPORT_LUNS, 0x00, 0x00, 0x00, 0x00, 0x00,
423         0x00,        0x00, 0x10, 0x00, 0x00, 0x00
424     };
425     const uint8_t test_unit_ready_cdb[UFS_CDB_SIZE] = {
426         TEST_UNIT_READY,
427     };
428     const uint8_t request_sense_cdb[UFS_CDB_SIZE] = {
429         REQUEST_SENSE,
430     };
431     UtpTransferReqDesc utrd;
432     UtpUpiuRsp rsp_upiu;
433 
434     ufs_init(ufs, alloc);
435 
436     /* Check REPORT_LUNS */
437     ufs_send_scsi_command(ufs, 0, 0, report_luns_cdb, NULL, 0, buf, sizeof(buf),
438                           &utrd, &rsp_upiu);
439     g_assert_cmpuint(le32_to_cpu(utrd.header.dword_2), ==, UFS_OCS_SUCCESS);
440     g_assert_cmpuint(rsp_upiu.header.scsi_status, ==, GOOD);
441     /* LUN LIST LENGTH should be 8, in big endian */
442     g_assert_cmpuint(buf[3], ==, 8);
443     /* There is one logical unit whose lun is 0 */
444     g_assert_cmpuint(buf[9], ==, 0);
445 
446     /* Clear Unit Attention */
447     ufs_send_scsi_command(ufs, 0, 0, request_sense_cdb, NULL, 0, buf,
448                           sizeof(buf), &utrd, &rsp_upiu);
449     g_assert_cmpuint(le32_to_cpu(utrd.header.dword_2), ==, UFS_OCS_SUCCESS);
450     g_assert_cmpuint(rsp_upiu.header.scsi_status, ==, CHECK_CONDITION);
451 
452     /* Check TEST_UNIT_READY */
453     ufs_send_scsi_command(ufs, 0, 0, test_unit_ready_cdb, NULL, 0, NULL, 0,
454                           &utrd, &rsp_upiu);
455     g_assert_cmpuint(le32_to_cpu(utrd.header.dword_2), ==, UFS_OCS_SUCCESS);
456     g_assert_cmpuint(rsp_upiu.header.scsi_status, ==, GOOD);
457 
458     ufs_exit(ufs, alloc);
459 }
460 
461 static void ufstest_read_write(void *obj, void *data, QGuestAllocator *alloc)
462 {
463     QUfs *ufs = obj;
464     uint8_t read_buf[4096] = { 0 };
465     uint8_t write_buf[4096] = { 0 };
466     const uint8_t read_capacity_cdb[UFS_CDB_SIZE] = {
467         /* allocation length 4096 */
468         SERVICE_ACTION_IN_16,
469         SAI_READ_CAPACITY_16,
470         0x00,
471         0x00,
472         0x00,
473         0x00,
474         0x00,
475         0x00,
476         0x00,
477         0x00,
478         0x00,
479         0x00,
480         0x10,
481         0x00,
482         0x00,
483         0x00
484     };
485     const uint8_t request_sense_cdb[UFS_CDB_SIZE] = {
486         REQUEST_SENSE,
487     };
488     const uint8_t read_cdb[UFS_CDB_SIZE] = {
489         /* READ(10) to LBA 0, transfer length 1 */
490         READ_10, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x00
491     };
492     const uint8_t write_cdb[UFS_CDB_SIZE] = {
493         /* WRITE(10) to LBA 0, transfer length 1 */
494         WRITE_10, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x00
495     };
496     uint32_t block_size;
497     UtpTransferReqDesc utrd;
498     UtpUpiuRsp rsp_upiu;
499     const int test_lun = 1;
500 
501     ufs_init(ufs, alloc);
502 
503     /* Clear Unit Attention */
504     ufs_send_scsi_command(ufs, 0, test_lun, request_sense_cdb, NULL, 0,
505                           read_buf, sizeof(read_buf), &utrd, &rsp_upiu);
506     g_assert_cmpuint(le32_to_cpu(utrd.header.dword_2), ==, UFS_OCS_SUCCESS);
507     g_assert_cmpuint(rsp_upiu.header.scsi_status, ==, CHECK_CONDITION);
508 
509     /* Read capacity */
510     ufs_send_scsi_command(ufs, 0, test_lun, read_capacity_cdb, NULL, 0,
511                           read_buf, sizeof(read_buf), &utrd, &rsp_upiu);
512     g_assert_cmpuint(le32_to_cpu(utrd.header.dword_2), ==, UFS_OCS_SUCCESS);
513     g_assert_cmpuint(rsp_upiu.header.scsi_status, ==,
514                      UFS_COMMAND_RESULT_SUCCESS);
515     block_size = ldl_be_p(&read_buf[8]);
516     g_assert_cmpuint(block_size, ==, 4096);
517 
518     /* Write data */
519     memset(write_buf, 0xab, block_size);
520     ufs_send_scsi_command(ufs, 0, test_lun, write_cdb, write_buf, block_size,
521                           NULL, 0, &utrd, &rsp_upiu);
522     g_assert_cmpuint(le32_to_cpu(utrd.header.dword_2), ==, UFS_OCS_SUCCESS);
523     g_assert_cmpuint(rsp_upiu.header.scsi_status, ==,
524                      UFS_COMMAND_RESULT_SUCCESS);
525 
526     /* Read data and verify */
527     ufs_send_scsi_command(ufs, 0, test_lun, read_cdb, NULL, 0, read_buf,
528                           block_size, &utrd, &rsp_upiu);
529     g_assert_cmpuint(le32_to_cpu(utrd.header.dword_2), ==, UFS_OCS_SUCCESS);
530     g_assert_cmpuint(rsp_upiu.header.scsi_status, ==,
531                      UFS_COMMAND_RESULT_SUCCESS);
532     g_assert_cmpint(memcmp(read_buf, write_buf, block_size), ==, 0);
533 
534     ufs_exit(ufs, alloc);
535 }
536 
537 static void drive_destroy(void *path)
538 {
539     unlink(path);
540     g_free(path);
541     qos_invalidate_command_line();
542 }
543 
544 static char *drive_create(void)
545 {
546     int fd, ret;
547     char *t_path;
548 
549     /* Create a temporary raw image */
550     fd = g_file_open_tmp("qtest-ufs.XXXXXX", &t_path, NULL);
551     g_assert_cmpint(fd, >=, 0);
552     ret = ftruncate(fd, TEST_IMAGE_SIZE);
553     g_assert_cmpint(ret, ==, 0);
554     close(fd);
555 
556     g_test_queue_destroy(drive_destroy, t_path);
557     return t_path;
558 }
559 
560 static void *ufs_blk_test_setup(GString *cmd_line, void *arg)
561 {
562     char *tmp_path = drive_create();
563 
564     g_string_append_printf(cmd_line,
565                            " -blockdev file,filename=%s,node-name=drv1 "
566                            "-device ufs-lu,bus=ufs0,drive=drv1,lun=1 ",
567                            tmp_path);
568 
569     return arg;
570 }
571 
572 static void ufs_register_nodes(void)
573 {
574     const char *arch;
575     QOSGraphEdgeOptions edge_opts = {
576         .before_cmd_line = "-blockdev null-co,node-name=drv0,read-zeroes=on",
577         .after_cmd_line = "-device ufs-lu,bus=ufs0,drive=drv0,lun=0",
578         .extra_device_opts = "addr=04.0,id=ufs0,nutrs=32,nutmrs=8"
579     };
580 
581     QOSGraphTestOptions io_test_opts = {
582         .before = ufs_blk_test_setup,
583     };
584 
585     add_qpci_address(&edge_opts, &(QPCIAddress){ .devfn = QPCI_DEVFN(4, 0) });
586 
587     qos_node_create_driver("ufs", ufs_create);
588     qos_node_consumes("ufs", "pci-bus", &edge_opts);
589     qos_node_produces("ufs", "pci-device");
590 
591     qos_add_test("reg-read", "ufs", ufstest_reg_read, NULL);
592 
593     /*
594      * Check architecture
595      * TODO: Enable ufs io tests for ppc64
596      */
597     arch = qtest_get_arch();
598     if (!strcmp(arch, "ppc64")) {
599         g_test_message("Skipping ufs io tests for ppc64");
600         return;
601     }
602     qos_add_test("init", "ufs", ufstest_init, NULL);
603     qos_add_test("read-write", "ufs", ufstest_read_write, &io_test_opts);
604 }
605 
606 libqos_init(ufs_register_nodes);
607