sdhci.c: Limit the maximum block size
[qemu/ar7.git] / tests / virtio-scsi-test.c
blob66d8491e9dfcb5c3bd6d5d4798b1622d1231653d
1 /*
2 * QTest testcase for VirtIO SCSI
4 * Copyright (c) 2014 SUSE LINUX Products GmbH
5 * Copyright (c) 2015 Red Hat Inc.
7 * This work is licensed under the terms of the GNU GPL, version 2 or later.
8 * See the COPYING file in the top-level directory.
9 */
11 #include <glib.h>
12 #include <string.h>
13 #include "libqtest.h"
14 #include "qemu/osdep.h"
15 #include <stdio.h>
16 #include "block/scsi.h"
17 #include "libqos/virtio.h"
18 #include "libqos/virtio-pci.h"
19 #include "libqos/pci-pc.h"
20 #include "libqos/malloc.h"
21 #include "libqos/malloc-pc.h"
22 #include "libqos/malloc-generic.h"
24 #define PCI_SLOT 0x02
25 #define PCI_FN 0x00
26 #define QVIRTIO_SCSI_TIMEOUT_US (1 * 1000 * 1000)
27 #define CDB_SIZE 32
29 #define MAX_NUM_QUEUES 64
31 typedef struct {
32 QVirtioDevice *dev;
33 QGuestAllocator *alloc;
34 QPCIBus *bus;
35 int num_queues;
36 QVirtQueue *vq[MAX_NUM_QUEUES + 2];
37 } QVirtIOSCSI;
39 typedef struct {
40 uint8_t lun[8];
41 int64_t tag;
42 uint8_t task_attr;
43 uint8_t prio;
44 uint8_t crn;
45 uint8_t cdb[CDB_SIZE];
46 } QEMU_PACKED QVirtIOSCSICmdReq;
48 typedef struct {
49 uint32_t sense_len;
50 uint32_t resid;
51 uint16_t status_qualifier;
52 uint8_t status;
53 uint8_t response;
54 uint8_t sense[96];
55 } QEMU_PACKED QVirtIOSCSICmdResp;
57 static void qvirtio_scsi_start(const char *extra_opts)
59 char *cmdline;
61 cmdline = g_strdup_printf(
62 "-drive id=drv0,if=none,file=/dev/null,format=raw "
63 "-device virtio-scsi-pci,id=vs0 "
64 "-device scsi-hd,bus=vs0.0,drive=drv0 %s",
65 extra_opts ? : "");
66 qtest_start(cmdline);
67 g_free(cmdline);
70 static void qvirtio_scsi_stop(void)
72 qtest_end();
75 static void qvirtio_scsi_pci_free(QVirtIOSCSI *vs)
77 int i;
79 for (i = 0; i < vs->num_queues + 2; i++) {
80 guest_free(vs->alloc, vs->vq[i]->desc);
82 pc_alloc_uninit(vs->alloc);
83 qvirtio_pci_device_disable(container_of(vs->dev, QVirtioPCIDevice, vdev));
84 g_free(vs->dev);
85 qpci_free_pc(vs->bus);
88 static uint64_t qvirtio_scsi_alloc(QVirtIOSCSI *vs, size_t alloc_size,
89 const void *data)
91 uint64_t addr;
93 addr = guest_alloc(vs->alloc, alloc_size);
94 if (data) {
95 memwrite(addr, data, alloc_size);
98 return addr;
101 static uint8_t virtio_scsi_do_command(QVirtIOSCSI *vs, const uint8_t *cdb,
102 const uint8_t *data_in,
103 size_t data_in_len,
104 uint8_t *data_out, size_t data_out_len,
105 QVirtIOSCSICmdResp *resp_out)
107 QVirtQueue *vq;
108 QVirtIOSCSICmdReq req = { { 0 } };
109 QVirtIOSCSICmdResp resp = { .response = 0xff, .status = 0xff };
110 uint64_t req_addr, resp_addr, data_in_addr = 0, data_out_addr = 0;
111 uint8_t response;
112 uint32_t free_head;
114 vq = vs->vq[2];
116 req.lun[0] = 1; /* Select LUN */
117 req.lun[1] = 1; /* Select target 1 */
118 memcpy(req.cdb, cdb, CDB_SIZE);
120 /* XXX: Fix endian if any multi-byte field in req/resp is used */
122 /* Add request header */
123 req_addr = qvirtio_scsi_alloc(vs, sizeof(req), &req);
124 free_head = qvirtqueue_add(vq, req_addr, sizeof(req), false, true);
126 if (data_out_len) {
127 data_out_addr = qvirtio_scsi_alloc(vs, data_out_len, data_out);
128 qvirtqueue_add(vq, data_out_addr, data_out_len, false, true);
131 /* Add response header */
132 resp_addr = qvirtio_scsi_alloc(vs, sizeof(resp), &resp);
133 qvirtqueue_add(vq, resp_addr, sizeof(resp), true, !!data_in_len);
135 if (data_in_len) {
136 data_in_addr = qvirtio_scsi_alloc(vs, data_in_len, data_in);
137 qvirtqueue_add(vq, data_in_addr, data_in_len, true, false);
140 qvirtqueue_kick(&qvirtio_pci, vs->dev, vq, free_head);
141 qvirtio_wait_queue_isr(&qvirtio_pci, vs->dev, vq, QVIRTIO_SCSI_TIMEOUT_US);
143 response = readb(resp_addr + offsetof(QVirtIOSCSICmdResp, response));
145 if (resp_out) {
146 memread(resp_addr, resp_out, sizeof(*resp_out));
149 guest_free(vs->alloc, req_addr);
150 guest_free(vs->alloc, resp_addr);
151 guest_free(vs->alloc, data_in_addr);
152 guest_free(vs->alloc, data_out_addr);
153 return response;
156 static QVirtIOSCSI *qvirtio_scsi_pci_init(int slot)
158 const uint8_t test_unit_ready_cdb[CDB_SIZE] = {};
159 QVirtIOSCSI *vs;
160 QVirtioPCIDevice *dev;
161 QVirtIOSCSICmdResp resp;
162 void *addr;
163 int i;
165 vs = g_new0(QVirtIOSCSI, 1);
166 vs->alloc = pc_alloc_init();
167 vs->bus = qpci_init_pc();
169 dev = qvirtio_pci_device_find(vs->bus, QVIRTIO_SCSI_DEVICE_ID);
170 vs->dev = (QVirtioDevice *)dev;
171 g_assert(dev != NULL);
172 g_assert_cmphex(vs->dev->device_type, ==, QVIRTIO_SCSI_DEVICE_ID);
174 qvirtio_pci_device_enable(dev);
175 qvirtio_reset(&qvirtio_pci, vs->dev);
176 qvirtio_set_acknowledge(&qvirtio_pci, vs->dev);
177 qvirtio_set_driver(&qvirtio_pci, vs->dev);
179 addr = dev->addr + QVIRTIO_PCI_DEVICE_SPECIFIC_NO_MSIX;
180 vs->num_queues = qvirtio_config_readl(&qvirtio_pci, vs->dev,
181 (uint64_t)(uintptr_t)addr);
183 g_assert_cmpint(vs->num_queues, <, MAX_NUM_QUEUES);
185 for (i = 0; i < vs->num_queues + 2; i++) {
186 vs->vq[i] = qvirtqueue_setup(&qvirtio_pci, vs->dev, vs->alloc, i);
189 /* Clear the POWER ON OCCURRED unit attention */
190 g_assert_cmpint(virtio_scsi_do_command(vs, test_unit_ready_cdb,
191 NULL, 0, NULL, 0, &resp),
192 ==, 0);
193 g_assert_cmpint(resp.status, ==, CHECK_CONDITION);
194 g_assert_cmpint(resp.sense[0], ==, 0x70); /* Fixed format sense buffer */
195 g_assert_cmpint(resp.sense[2], ==, UNIT_ATTENTION);
196 g_assert_cmpint(resp.sense[12], ==, 0x29); /* POWER ON */
197 g_assert_cmpint(resp.sense[13], ==, 0x00);
199 return vs;
202 /* Tests only initialization so far. TODO: Replace with functional tests */
203 static void pci_nop(void)
205 qvirtio_scsi_start(NULL);
206 qvirtio_scsi_stop();
209 static void hotplug(void)
211 QDict *response;
213 qvirtio_scsi_start("-drive id=drv1,if=none,file=/dev/null,format=raw");
214 response = qmp("{\"execute\": \"device_add\","
215 " \"arguments\": {"
216 " \"driver\": \"scsi-hd\","
217 " \"id\": \"scsi-hd\","
218 " \"drive\": \"drv1\""
219 "}}");
221 g_assert(response);
222 g_assert(!qdict_haskey(response, "error"));
223 QDECREF(response);
225 response = qmp("{\"execute\": \"device_del\","
226 " \"arguments\": {"
227 " \"id\": \"scsi-hd\""
228 "}}");
230 g_assert(response);
231 g_assert(!qdict_haskey(response, "error"));
232 g_assert(qdict_haskey(response, "event"));
233 g_assert(!strcmp(qdict_get_str(response, "event"), "DEVICE_DELETED"));
234 QDECREF(response);
235 qvirtio_scsi_stop();
238 /* Test WRITE SAME with the lba not aligned */
239 static void test_unaligned_write_same(void)
241 QVirtIOSCSI *vs;
242 uint8_t buf1[512] = { 0 };
243 uint8_t buf2[512] = { 1 };
244 const uint8_t write_same_cdb_1[CDB_SIZE] = { 0x41, 0x00, 0x00, 0x00, 0x00,
245 0x01, 0x00, 0x00, 0x02, 0x00 };
246 const uint8_t write_same_cdb_2[CDB_SIZE] = { 0x41, 0x00, 0x00, 0x00, 0x00,
247 0x01, 0x00, 0x33, 0x00, 0x00 };
249 qvirtio_scsi_start("-drive file=blkdebug::null-co://,if=none,id=dr1"
250 ",format=raw,file.align=4k "
251 "-device scsi-disk,drive=dr1,lun=0,scsi-id=1");
252 vs = qvirtio_scsi_pci_init(PCI_SLOT);
254 g_assert_cmphex(0, ==,
255 virtio_scsi_do_command(vs, write_same_cdb_1, NULL, 0, buf1, 512, NULL));
257 g_assert_cmphex(0, ==,
258 virtio_scsi_do_command(vs, write_same_cdb_2, NULL, 0, buf2, 512, NULL));
260 qvirtio_scsi_pci_free(vs);
261 qvirtio_scsi_stop();
264 int main(int argc, char **argv)
266 int ret;
268 g_test_init(&argc, &argv, NULL);
269 qtest_add_func("/virtio/scsi/pci/nop", pci_nop);
270 qtest_add_func("/virtio/scsi/pci/hotplug", hotplug);
271 qtest_add_func("/virtio/scsi/pci/scsi-disk/unaligned-write-same",
272 test_unaligned_write_same);
274 ret = g_test_run();
276 return ret;