Andreas Färber | c7a59be | 2014-02-09 04:32:55 +0100 | [diff] [blame] | 1 | /* |
| 2 | * QTest testcase for VirtIO Block Device |
| 3 | * |
| 4 | * Copyright (c) 2014 SUSE LINUX Products GmbH |
Marc Marí | 311e666 | 2014-09-01 12:07:54 +0200 | [diff] [blame] | 5 | * Copyright (c) 2014 Marc Marí |
Andreas Färber | c7a59be | 2014-02-09 04:32:55 +0100 | [diff] [blame] | 6 | * |
| 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 | */ |
| 10 | |
| 11 | #include <glib.h> |
| 12 | #include <string.h> |
Marc Marí | 311e666 | 2014-09-01 12:07:54 +0200 | [diff] [blame] | 13 | #include <stdlib.h> |
| 14 | #include <unistd.h> |
| 15 | #include <stdio.h> |
Andreas Färber | c7a59be | 2014-02-09 04:32:55 +0100 | [diff] [blame] | 16 | #include "libqtest.h" |
Marc Marí | 311e666 | 2014-09-01 12:07:54 +0200 | [diff] [blame] | 17 | #include "libqos/virtio.h" |
| 18 | #include "libqos/virtio-pci.h" |
| 19 | #include "libqos/pci-pc.h" |
Marc Marí | bf3c63d | 2014-09-01 12:07:56 +0200 | [diff] [blame] | 20 | #include "libqos/malloc.h" |
| 21 | #include "libqos/malloc-pc.h" |
| 22 | #include "qemu/bswap.h" |
Andreas Färber | c7a59be | 2014-02-09 04:32:55 +0100 | [diff] [blame] | 23 | |
Marc Marí | bf3c63d | 2014-09-01 12:07:56 +0200 | [diff] [blame] | 24 | #define QVIRTIO_BLK_F_BARRIER 0x00000001 |
| 25 | #define QVIRTIO_BLK_F_SIZE_MAX 0x00000002 |
| 26 | #define QVIRTIO_BLK_F_SEG_MAX 0x00000004 |
| 27 | #define QVIRTIO_BLK_F_GEOMETRY 0x00000010 |
| 28 | #define QVIRTIO_BLK_F_RO 0x00000020 |
| 29 | #define QVIRTIO_BLK_F_BLK_SIZE 0x00000040 |
| 30 | #define QVIRTIO_BLK_F_SCSI 0x00000080 |
| 31 | #define QVIRTIO_BLK_F_WCE 0x00000200 |
| 32 | #define QVIRTIO_BLK_F_TOPOLOGY 0x00000400 |
| 33 | #define QVIRTIO_BLK_F_CONFIG_WCE 0x00000800 |
| 34 | |
| 35 | #define QVIRTIO_BLK_T_IN 0 |
| 36 | #define QVIRTIO_BLK_T_OUT 1 |
| 37 | #define QVIRTIO_BLK_T_SCSI_CMD 2 |
| 38 | #define QVIRTIO_BLK_T_SCSI_CMD_OUT 3 |
| 39 | #define QVIRTIO_BLK_T_FLUSH 4 |
| 40 | #define QVIRTIO_BLK_T_FLUSH_OUT 5 |
| 41 | #define QVIRTIO_BLK_T_GET_ID 8 |
| 42 | |
| 43 | #define TEST_IMAGE_SIZE (64 * 1024 * 1024) |
| 44 | #define QVIRTIO_BLK_TIMEOUT 100 |
| 45 | #define PCI_SLOT 0x04 |
| 46 | #define PCI_FN 0x00 |
| 47 | |
| 48 | typedef struct QVirtioBlkReq { |
| 49 | uint32_t type; |
| 50 | uint32_t ioprio; |
| 51 | uint64_t sector; |
| 52 | char *data; |
| 53 | uint8_t status; |
| 54 | } QVirtioBlkReq; |
Marc Marí | 311e666 | 2014-09-01 12:07:54 +0200 | [diff] [blame] | 55 | |
| 56 | static QPCIBus *test_start(void) |
Andreas Färber | c7a59be | 2014-02-09 04:32:55 +0100 | [diff] [blame] | 57 | { |
Marc Marí | 311e666 | 2014-09-01 12:07:54 +0200 | [diff] [blame] | 58 | char cmdline[100]; |
| 59 | char tmp_path[] = "/tmp/qtest.XXXXXX"; |
| 60 | int fd, ret; |
| 61 | |
| 62 | /* Create a temporary raw image */ |
| 63 | fd = mkstemp(tmp_path); |
| 64 | g_assert_cmpint(fd, >=, 0); |
| 65 | ret = ftruncate(fd, TEST_IMAGE_SIZE); |
| 66 | g_assert_cmpint(ret, ==, 0); |
| 67 | close(fd); |
| 68 | |
| 69 | snprintf(cmdline, 100, "-drive if=none,id=drive0,file=%s " |
| 70 | "-device virtio-blk-pci,drive=drive0,addr=%x.%x", |
| 71 | tmp_path, PCI_SLOT, PCI_FN); |
| 72 | qtest_start(cmdline); |
| 73 | unlink(tmp_path); |
| 74 | |
| 75 | return qpci_init_pc(); |
| 76 | } |
| 77 | |
| 78 | static void test_end(void) |
| 79 | { |
| 80 | qtest_end(); |
| 81 | } |
| 82 | |
Marc Marí | 46e0cf7 | 2014-09-01 12:07:55 +0200 | [diff] [blame] | 83 | static QVirtioPCIDevice *virtio_blk_init(QPCIBus *bus) |
Marc Marí | 311e666 | 2014-09-01 12:07:54 +0200 | [diff] [blame] | 84 | { |
| 85 | QVirtioPCIDevice *dev; |
Marc Marí | 311e666 | 2014-09-01 12:07:54 +0200 | [diff] [blame] | 86 | |
| 87 | dev = qvirtio_pci_device_find(bus, QVIRTIO_BLK_DEVICE_ID); |
| 88 | g_assert(dev != NULL); |
| 89 | g_assert_cmphex(dev->vdev.device_type, ==, QVIRTIO_BLK_DEVICE_ID); |
| 90 | g_assert_cmphex(dev->pdev->devfn, ==, ((PCI_SLOT << 3) | PCI_FN)); |
| 91 | |
Marc Marí | 46e0cf7 | 2014-09-01 12:07:55 +0200 | [diff] [blame] | 92 | qvirtio_pci_device_enable(dev); |
| 93 | qvirtio_reset(&qvirtio_pci, &dev->vdev); |
| 94 | qvirtio_set_acknowledge(&qvirtio_pci, &dev->vdev); |
| 95 | qvirtio_set_driver(&qvirtio_pci, &dev->vdev); |
| 96 | |
| 97 | return dev; |
| 98 | } |
| 99 | |
Marc Marí | bf3c63d | 2014-09-01 12:07:56 +0200 | [diff] [blame] | 100 | static inline void virtio_blk_fix_request(QVirtioBlkReq *req) |
| 101 | { |
| 102 | #ifdef HOST_WORDS_BIGENDIAN |
| 103 | bool host_endian = true; |
| 104 | #else |
| 105 | bool host_endian = false; |
| 106 | #endif |
| 107 | |
| 108 | if (qtest_big_endian() != host_endian) { |
| 109 | req->type = bswap32(req->type); |
| 110 | req->ioprio = bswap32(req->ioprio); |
| 111 | req->sector = bswap64(req->sector); |
| 112 | } |
| 113 | } |
| 114 | |
| 115 | static uint64_t virtio_blk_request(QGuestAllocator *alloc, QVirtioBlkReq *req, |
| 116 | uint64_t data_size) |
| 117 | { |
| 118 | uint64_t addr; |
| 119 | uint8_t status = 0xFF; |
| 120 | |
| 121 | g_assert_cmpuint(data_size % 512, ==, 0); |
| 122 | addr = guest_alloc(alloc, sizeof(*req) + data_size); |
| 123 | |
| 124 | virtio_blk_fix_request(req); |
| 125 | |
| 126 | memwrite(addr, req, 16); |
| 127 | memwrite(addr + 16, req->data, data_size); |
| 128 | memwrite(addr + 16 + data_size, &status, sizeof(status)); |
| 129 | |
| 130 | return addr; |
| 131 | } |
| 132 | |
Marc Marí | 46e0cf7 | 2014-09-01 12:07:55 +0200 | [diff] [blame] | 133 | static void pci_basic(void) |
| 134 | { |
| 135 | QVirtioPCIDevice *dev; |
| 136 | QPCIBus *bus; |
Marc Marí | bf3c63d | 2014-09-01 12:07:56 +0200 | [diff] [blame] | 137 | QVirtQueue *vq; |
| 138 | QGuestAllocator *alloc; |
| 139 | QVirtioBlkReq req; |
Marc Marí | 46e0cf7 | 2014-09-01 12:07:55 +0200 | [diff] [blame] | 140 | void *addr; |
Marc Marí | bf3c63d | 2014-09-01 12:07:56 +0200 | [diff] [blame] | 141 | uint64_t req_addr; |
Marc Marí | 46e0cf7 | 2014-09-01 12:07:55 +0200 | [diff] [blame] | 142 | uint64_t capacity; |
Marc Marí | bf3c63d | 2014-09-01 12:07:56 +0200 | [diff] [blame] | 143 | uint32_t features; |
| 144 | uint32_t free_head; |
| 145 | uint8_t status; |
| 146 | char *data; |
Marc Marí | 46e0cf7 | 2014-09-01 12:07:55 +0200 | [diff] [blame] | 147 | |
| 148 | bus = test_start(); |
| 149 | |
| 150 | dev = virtio_blk_init(bus); |
| 151 | |
| 152 | /* MSI-X is not enabled */ |
| 153 | addr = dev->addr + QVIRTIO_DEVICE_SPECIFIC_NO_MSIX; |
| 154 | |
| 155 | capacity = qvirtio_config_readq(&qvirtio_pci, &dev->vdev, addr); |
| 156 | g_assert_cmpint(capacity, ==, TEST_IMAGE_SIZE / 512); |
| 157 | |
Marc Marí | bf3c63d | 2014-09-01 12:07:56 +0200 | [diff] [blame] | 158 | features = qvirtio_get_features(&qvirtio_pci, &dev->vdev); |
| 159 | features = features & ~(QVIRTIO_F_BAD_FEATURE | |
| 160 | QVIRTIO_F_RING_INDIRECT_DESC | QVIRTIO_F_RING_EVENT_IDX | |
| 161 | QVIRTIO_BLK_F_SCSI); |
| 162 | qvirtio_set_features(&qvirtio_pci, &dev->vdev, features); |
| 163 | |
| 164 | alloc = pc_alloc_init(); |
| 165 | vq = qvirtqueue_setup(&qvirtio_pci, &dev->vdev, alloc, 0); |
| 166 | |
| 167 | qvirtio_set_driver_ok(&qvirtio_pci, &dev->vdev); |
| 168 | |
| 169 | /* Write and read with 2 descriptor layout */ |
| 170 | /* Write request */ |
| 171 | req.type = QVIRTIO_BLK_T_OUT; |
| 172 | req.ioprio = 1; |
| 173 | req.sector = 0; |
| 174 | req.data = g_malloc0(512); |
| 175 | strcpy(req.data, "TEST"); |
| 176 | |
| 177 | req_addr = virtio_blk_request(alloc, &req, 512); |
| 178 | |
| 179 | g_free(req.data); |
| 180 | |
| 181 | free_head = qvirtqueue_add(vq, req_addr, 528, false, true); |
| 182 | qvirtqueue_add(vq, req_addr + 528, 1, true, false); |
| 183 | qvirtqueue_kick(&qvirtio_pci, &dev->vdev, vq, free_head); |
| 184 | |
| 185 | g_assert(qvirtio_wait_isr(&qvirtio_pci, &dev->vdev, 0x1, |
| 186 | QVIRTIO_BLK_TIMEOUT)); |
| 187 | status = readb(req_addr + 528); |
| 188 | g_assert_cmpint(status, ==, 0); |
| 189 | |
| 190 | guest_free(alloc, req_addr); |
| 191 | |
| 192 | /* Read request */ |
| 193 | req.type = QVIRTIO_BLK_T_IN; |
| 194 | req.ioprio = 1; |
| 195 | req.sector = 0; |
| 196 | req.data = g_malloc0(512); |
| 197 | |
| 198 | req_addr = virtio_blk_request(alloc, &req, 512); |
| 199 | |
| 200 | g_free(req.data); |
| 201 | |
| 202 | free_head = qvirtqueue_add(vq, req_addr, 16, false, true); |
| 203 | qvirtqueue_add(vq, req_addr + 16, 513, true, false); |
| 204 | |
| 205 | qvirtqueue_kick(&qvirtio_pci, &dev->vdev, vq, free_head); |
| 206 | |
| 207 | g_assert(qvirtio_wait_isr(&qvirtio_pci, &dev->vdev, 0x1, |
| 208 | QVIRTIO_BLK_TIMEOUT)); |
| 209 | status = readb(req_addr + 528); |
| 210 | g_assert_cmpint(status, ==, 0); |
| 211 | |
| 212 | data = g_malloc0(512); |
| 213 | memread(req_addr + 16, data, 512); |
| 214 | g_assert_cmpstr(data, ==, "TEST"); |
| 215 | g_free(data); |
| 216 | |
| 217 | guest_free(alloc, req_addr); |
| 218 | |
| 219 | /* Write and read with 3 descriptor layout */ |
| 220 | /* Write request */ |
| 221 | req.type = QVIRTIO_BLK_T_OUT; |
| 222 | req.ioprio = 1; |
| 223 | req.sector = 1; |
| 224 | req.data = g_malloc0(512); |
| 225 | strcpy(req.data, "TEST"); |
| 226 | |
| 227 | req_addr = virtio_blk_request(alloc, &req, 512); |
| 228 | |
| 229 | g_free(req.data); |
| 230 | |
| 231 | free_head = qvirtqueue_add(vq, req_addr, 16, false, true); |
| 232 | qvirtqueue_add(vq, req_addr + 16, 512, false, true); |
| 233 | qvirtqueue_add(vq, req_addr + 528, 1, true, false); |
| 234 | |
| 235 | qvirtqueue_kick(&qvirtio_pci, &dev->vdev, vq, free_head); |
| 236 | |
| 237 | g_assert(qvirtio_wait_isr(&qvirtio_pci, &dev->vdev, 0x1, |
| 238 | QVIRTIO_BLK_TIMEOUT)); |
| 239 | status = readb(req_addr + 528); |
| 240 | g_assert_cmpint(status, ==, 0); |
| 241 | |
| 242 | guest_free(alloc, req_addr); |
| 243 | |
| 244 | /* Read request */ |
| 245 | req.type = QVIRTIO_BLK_T_IN; |
| 246 | req.ioprio = 1; |
| 247 | req.sector = 1; |
| 248 | req.data = g_malloc0(512); |
| 249 | |
| 250 | req_addr = virtio_blk_request(alloc, &req, 512); |
| 251 | |
| 252 | g_free(req.data); |
| 253 | |
| 254 | free_head = qvirtqueue_add(vq, req_addr, 16, false, true); |
| 255 | qvirtqueue_add(vq, req_addr + 16, 512, true, true); |
| 256 | qvirtqueue_add(vq, req_addr + 528, 1, true, false); |
| 257 | |
| 258 | qvirtqueue_kick(&qvirtio_pci, &dev->vdev, vq, free_head); |
| 259 | |
| 260 | g_assert(qvirtio_wait_isr(&qvirtio_pci, &dev->vdev, 0x1, |
| 261 | QVIRTIO_BLK_TIMEOUT)); |
| 262 | status = readb(req_addr + 528); |
| 263 | g_assert_cmpint(status, ==, 0); |
| 264 | |
| 265 | guest_free(alloc, req_addr); |
| 266 | |
| 267 | data = g_malloc0(512); |
| 268 | memread(req_addr + 16, data, 512); |
| 269 | g_assert_cmpstr(data, ==, "TEST"); |
| 270 | g_free(data); |
| 271 | |
| 272 | guest_free(alloc, req_addr); |
| 273 | |
| 274 | /* End test */ |
| 275 | guest_free(alloc, vq->desc); |
Marc Marí | 46e0cf7 | 2014-09-01 12:07:55 +0200 | [diff] [blame] | 276 | qvirtio_pci_device_disable(dev); |
Marc Marí | 311e666 | 2014-09-01 12:07:54 +0200 | [diff] [blame] | 277 | g_free(dev); |
| 278 | test_end(); |
Andreas Färber | c7a59be | 2014-02-09 04:32:55 +0100 | [diff] [blame] | 279 | } |
| 280 | |
Marc Marí | f294b02 | 2014-09-01 12:07:57 +0200 | [diff] [blame^] | 281 | static void pci_indirect(void) |
| 282 | { |
| 283 | QVirtioPCIDevice *dev; |
| 284 | QPCIBus *bus; |
| 285 | QVirtQueue *vq; |
| 286 | QGuestAllocator *alloc; |
| 287 | QVirtioBlkReq req; |
| 288 | QVRingIndirectDesc *indirect; |
| 289 | void *addr; |
| 290 | uint64_t req_addr; |
| 291 | uint64_t capacity; |
| 292 | uint32_t features; |
| 293 | uint32_t free_head; |
| 294 | uint8_t status; |
| 295 | char *data; |
| 296 | |
| 297 | bus = test_start(); |
| 298 | |
| 299 | dev = virtio_blk_init(bus); |
| 300 | |
| 301 | /* MSI-X is not enabled */ |
| 302 | addr = dev->addr + QVIRTIO_DEVICE_SPECIFIC_NO_MSIX; |
| 303 | |
| 304 | capacity = qvirtio_config_readq(&qvirtio_pci, &dev->vdev, addr); |
| 305 | g_assert_cmpint(capacity, ==, TEST_IMAGE_SIZE / 512); |
| 306 | |
| 307 | features = qvirtio_get_features(&qvirtio_pci, &dev->vdev); |
| 308 | g_assert_cmphex(features & QVIRTIO_F_RING_INDIRECT_DESC, !=, 0); |
| 309 | features = features & ~(QVIRTIO_F_BAD_FEATURE | QVIRTIO_F_RING_EVENT_IDX | |
| 310 | QVIRTIO_BLK_F_SCSI); |
| 311 | qvirtio_set_features(&qvirtio_pci, &dev->vdev, features); |
| 312 | |
| 313 | alloc = pc_alloc_init(); |
| 314 | vq = qvirtqueue_setup(&qvirtio_pci, &dev->vdev, alloc, 0); |
| 315 | |
| 316 | qvirtio_set_driver_ok(&qvirtio_pci, &dev->vdev); |
| 317 | |
| 318 | /* Write request */ |
| 319 | req.type = QVIRTIO_BLK_T_OUT; |
| 320 | req.ioprio = 1; |
| 321 | req.sector = 0; |
| 322 | req.data = g_malloc0(512); |
| 323 | strcpy(req.data, "TEST"); |
| 324 | |
| 325 | req_addr = virtio_blk_request(alloc, &req, 512); |
| 326 | |
| 327 | g_free(req.data); |
| 328 | |
| 329 | indirect = qvring_indirect_desc_setup(&dev->vdev, alloc, 2); |
| 330 | qvring_indirect_desc_add(indirect, req_addr, 528, false); |
| 331 | qvring_indirect_desc_add(indirect, req_addr + 528, 1, true); |
| 332 | free_head = qvirtqueue_add_indirect(vq, indirect); |
| 333 | qvirtqueue_kick(&qvirtio_pci, &dev->vdev, vq, free_head); |
| 334 | |
| 335 | g_assert(qvirtio_wait_isr(&qvirtio_pci, &dev->vdev, 0x1, |
| 336 | QVIRTIO_BLK_TIMEOUT)); |
| 337 | status = readb(req_addr + 528); |
| 338 | g_assert_cmpint(status, ==, 0); |
| 339 | |
| 340 | g_free(indirect); |
| 341 | guest_free(alloc, req_addr); |
| 342 | |
| 343 | /* Read request */ |
| 344 | req.type = QVIRTIO_BLK_T_IN; |
| 345 | req.ioprio = 1; |
| 346 | req.sector = 0; |
| 347 | req.data = g_malloc0(512); |
| 348 | strcpy(req.data, "TEST"); |
| 349 | |
| 350 | req_addr = virtio_blk_request(alloc, &req, 512); |
| 351 | |
| 352 | g_free(req.data); |
| 353 | |
| 354 | indirect = qvring_indirect_desc_setup(&dev->vdev, alloc, 2); |
| 355 | qvring_indirect_desc_add(indirect, req_addr, 16, false); |
| 356 | qvring_indirect_desc_add(indirect, req_addr + 16, 513, true); |
| 357 | free_head = qvirtqueue_add_indirect(vq, indirect); |
| 358 | qvirtqueue_kick(&qvirtio_pci, &dev->vdev, vq, free_head); |
| 359 | |
| 360 | g_assert(qvirtio_wait_isr(&qvirtio_pci, &dev->vdev, 0x1, |
| 361 | QVIRTIO_BLK_TIMEOUT)); |
| 362 | status = readb(req_addr + 528); |
| 363 | g_assert_cmpint(status, ==, 0); |
| 364 | |
| 365 | data = g_malloc0(512); |
| 366 | memread(req_addr + 16, data, 512); |
| 367 | g_assert_cmpstr(data, ==, "TEST"); |
| 368 | g_free(data); |
| 369 | |
| 370 | g_free(indirect); |
| 371 | guest_free(alloc, req_addr); |
| 372 | |
| 373 | /* End test */ |
| 374 | guest_free(alloc, vq->desc); |
| 375 | qvirtio_pci_device_disable(dev); |
| 376 | g_free(dev); |
| 377 | test_end(); |
| 378 | } |
| 379 | |
Andreas Färber | c7a59be | 2014-02-09 04:32:55 +0100 | [diff] [blame] | 380 | int main(int argc, char **argv) |
| 381 | { |
| 382 | int ret; |
| 383 | |
| 384 | g_test_init(&argc, &argv, NULL); |
Andreas Färber | c7a59be | 2014-02-09 04:32:55 +0100 | [diff] [blame] | 385 | |
Marc Marí | 311e666 | 2014-09-01 12:07:54 +0200 | [diff] [blame] | 386 | g_test_add_func("/virtio/blk/pci/basic", pci_basic); |
Marc Marí | f294b02 | 2014-09-01 12:07:57 +0200 | [diff] [blame^] | 387 | g_test_add_func("/virtio/blk/pci/indirect", pci_indirect); |
Marc Marí | 311e666 | 2014-09-01 12:07:54 +0200 | [diff] [blame] | 388 | |
Andreas Färber | c7a59be | 2014-02-09 04:32:55 +0100 | [diff] [blame] | 389 | ret = g_test_run(); |
| 390 | |
Andreas Färber | c7a59be | 2014-02-09 04:32:55 +0100 | [diff] [blame] | 391 | return ret; |
| 392 | } |