23 #define GICR_TYPER 0x8
45 	GUEST_SYNC(0);  in guest_code()
58 	return 0;  in run_vcpu()
63 	struct vm_gic v;  in vm_gic_create()  local
65 	v.vm = vm_create_default_with_vcpus(NR_VCPUS, 0, 0, guest_code, NULL);  in vm_gic_create()
66 	v.gic_fd = kvm_create_device(v.vm, KVM_DEV_TYPE_ARM_VGIC_V3, false);  in vm_gic_create()
68 	return v;  in vm_gic_create()
71 static void vm_gic_destroy(struct vm_gic *v)  in vm_gic_destroy()  argument
73 	close(v->gic_fd);  in vm_gic_destroy()
74 	kvm_vm_free(v->vm);  in vm_gic_destroy()
80  * device gets created, a legacy RDIST region is set at @0x0
81  * and a DIST region is set @0x60000
83 static void subtest_dist_rdist(struct vm_gic *v)  in subtest_dist_rdist()  argument
89 	kvm_device_check_attr(v->gic_fd, KVM_DEV_ARM_VGIC_GRP_ADDR,  in subtest_dist_rdist()
92 	kvm_device_check_attr(v->gic_fd, KVM_DEV_ARM_VGIC_GRP_ADDR,  in subtest_dist_rdist()
96 	ret = _kvm_device_check_attr(v->gic_fd, KVM_DEV_ARM_VGIC_GRP_ADDR, 0);  in subtest_dist_rdist()
100 	addr = 0x1000;  in subtest_dist_rdist()
101 	ret = _kvm_device_access(v->gic_fd, KVM_DEV_ARM_VGIC_GRP_ADDR,  in subtest_dist_rdist()
105 	ret = _kvm_device_access(v->gic_fd, KVM_DEV_ARM_VGIC_GRP_ADDR,  in subtest_dist_rdist()
112 		ret = _kvm_device_access(v->gic_fd, KVM_DEV_ARM_VGIC_GRP_ADDR,  in subtest_dist_rdist()
116 		ret = _kvm_device_access(v->gic_fd, KVM_DEV_ARM_VGIC_GRP_ADDR,  in subtest_dist_rdist()
121 	/* set REDIST base address @0x0*/  in subtest_dist_rdist()
122 	addr = 0x00000;  in subtest_dist_rdist()
123 	kvm_device_access(v->gic_fd, KVM_DEV_ARM_VGIC_GRP_ADDR,  in subtest_dist_rdist()
127 	addr = 0xE0000;  in subtest_dist_rdist()
128 	ret = _kvm_device_access(v->gic_fd, KVM_DEV_ARM_VGIC_GRP_ADDR,  in subtest_dist_rdist()
133 	addr = REDIST_REGION_ATTR_ADDR(NR_VCPUS, 0x100000, 0, 0);  in subtest_dist_rdist()
134 	ret = _kvm_device_access(v->gic_fd, KVM_DEV_ARM_VGIC_GRP_ADDR,  in subtest_dist_rdist()
142 	addr = 3 * 2 * 0x10000;  in subtest_dist_rdist()
143 	kvm_device_access(v->gic_fd, KVM_DEV_ARM_VGIC_GRP_ADDR, KVM_VGIC_V3_ADDR_TYPE_DIST,  in subtest_dist_rdist()
148 static void subtest_redist_regions(struct vm_gic *v)  in subtest_redist_regions()  argument
153 	ret = kvm_device_check_attr(v->gic_fd, KVM_DEV_ARM_VGIC_GRP_ADDR,  in subtest_redist_regions()
157 	addr = REDIST_REGION_ATTR_ADDR(NR_VCPUS, 0x100000, 2, 0);  in subtest_redist_regions()
158 	ret = _kvm_device_access(v->gic_fd, KVM_DEV_ARM_VGIC_GRP_ADDR,  in subtest_redist_regions()
160 	TEST_ASSERT(ret && errno == EINVAL, "redist region attr value with flags != 0");  in subtest_redist_regions()
162 	addr = REDIST_REGION_ATTR_ADDR(0, 0x100000, 0, 0);  in subtest_redist_regions()
163 	ret = _kvm_device_access(v->gic_fd, KVM_DEV_ARM_VGIC_GRP_ADDR,  in subtest_redist_regions()
165 	TEST_ASSERT(ret && errno == EINVAL, "redist region attr value with count== 0");  in subtest_redist_regions()
167 	addr = REDIST_REGION_ATTR_ADDR(2, 0x200000, 0, 1);  in subtest_redist_regions()
168 	ret = _kvm_device_access(v->gic_fd, KVM_DEV_ARM_VGIC_GRP_ADDR,  in subtest_redist_regions()
171 		    "attempt to register the first rdist region with index != 0");  in subtest_redist_regions()
173 	addr = REDIST_REGION_ATTR_ADDR(2, 0x201000, 0, 1);  in subtest_redist_regions()
174 	ret = _kvm_device_access(v->gic_fd, KVM_DEV_ARM_VGIC_GRP_ADDR,  in subtest_redist_regions()
178 	addr = REDIST_REGION_ATTR_ADDR(2, 0x200000, 0, 0);  in subtest_redist_regions()
179 	kvm_device_access(v->gic_fd, KVM_DEV_ARM_VGIC_GRP_ADDR,  in subtest_redist_regions()
182 	addr = REDIST_REGION_ATTR_ADDR(2, 0x200000, 0, 1);  in subtest_redist_regions()
183 	ret = _kvm_device_access(v->gic_fd, KVM_DEV_ARM_VGIC_GRP_ADDR,  in subtest_redist_regions()
187 	addr = REDIST_REGION_ATTR_ADDR(1, 0x210000, 0, 2);  in subtest_redist_regions()
188 	ret = _kvm_device_access(v->gic_fd, KVM_DEV_ARM_VGIC_GRP_ADDR,  in subtest_redist_regions()
193 	addr = REDIST_REGION_ATTR_ADDR(1, 0x240000, 0, 2);  in subtest_redist_regions()
194 	ret = _kvm_device_access(v->gic_fd, KVM_DEV_ARM_VGIC_GRP_ADDR,  in subtest_redist_regions()
198 	addr = REDIST_REGION_ATTR_ADDR(1, 0x240000, 0, 1);  in subtest_redist_regions()
199 	kvm_device_access(v->gic_fd, KVM_DEV_ARM_VGIC_GRP_ADDR,  in subtest_redist_regions()
202 	addr = REDIST_REGION_ATTR_ADDR(1, 1ULL << max_ipa_bits, 0, 2);  in subtest_redist_regions()
203 	ret = _kvm_device_access(v->gic_fd, KVM_DEV_ARM_VGIC_GRP_ADDR,  in subtest_redist_regions()
208 	addr = 0x260000;  in subtest_redist_regions()
209 	ret = _kvm_device_access(v->gic_fd, KVM_DEV_ARM_VGIC_GRP_ADDR,  in subtest_redist_regions()
216 	 * region 0 @ 0x200000 2 redists  in subtest_redist_regions()
217 	 * region 1 @ 0x240000 1 redist  in subtest_redist_regions()
221 	addr = REDIST_REGION_ATTR_ADDR(0, 0, 0, 0);  in subtest_redist_regions()
222 	expected_addr = REDIST_REGION_ATTR_ADDR(2, 0x200000, 0, 0);  in subtest_redist_regions()
223 	ret = _kvm_device_access(v->gic_fd, KVM_DEV_ARM_VGIC_GRP_ADDR,  in subtest_redist_regions()
225 	TEST_ASSERT(!ret && addr == expected_addr, "read characteristics of region #0");  in subtest_redist_regions()
227 	addr = REDIST_REGION_ATTR_ADDR(0, 0, 0, 1);  in subtest_redist_regions()
228 	expected_addr = REDIST_REGION_ATTR_ADDR(1, 0x240000, 0, 1);  in subtest_redist_regions()
229 	ret = _kvm_device_access(v->gic_fd, KVM_DEV_ARM_VGIC_GRP_ADDR,  in subtest_redist_regions()
233 	addr = REDIST_REGION_ATTR_ADDR(0, 0, 0, 2);  in subtest_redist_regions()
234 	ret = _kvm_device_access(v->gic_fd, KVM_DEV_ARM_VGIC_GRP_ADDR,  in subtest_redist_regions()
238 	addr = 0x260000;  in subtest_redist_regions()
239 	kvm_device_access(v->gic_fd, KVM_DEV_ARM_VGIC_GRP_ADDR,  in subtest_redist_regions()
242 	addr = REDIST_REGION_ATTR_ADDR(1, 0x260000, 0, 2);  in subtest_redist_regions()
243 	ret = _kvm_device_access(v->gic_fd, KVM_DEV_ARM_VGIC_GRP_ADDR,  in subtest_redist_regions()
254 	struct vm_gic v;  in test_vgic_then_vcpus()  local
257 	v.vm = vm_create_default(0, 0, guest_code);  in test_vgic_then_vcpus()
258 	v.gic_fd = kvm_create_device(v.vm, KVM_DEV_TYPE_ARM_VGIC_V3, false);  in test_vgic_then_vcpus()
260 	subtest_dist_rdist(&v);  in test_vgic_then_vcpus()
264 		vm_vcpu_add_default(v.vm, i, guest_code);  in test_vgic_then_vcpus()
266 	ret = run_vcpu(v.vm, 3);  in test_vgic_then_vcpus()
269 	vm_gic_destroy(&v);  in test_vgic_then_vcpus()
275 	struct vm_gic v;  in test_vcpus_then_vgic()  local
278 	v = vm_gic_create();  in test_vcpus_then_vgic()
280 	subtest_dist_rdist(&v);  in test_vcpus_then_vgic()
282 	ret = run_vcpu(v.vm, 3);  in test_vcpus_then_vgic()
285 	vm_gic_destroy(&v);  in test_vcpus_then_vgic()
291 	struct vm_gic v;  in test_new_redist_regions()  local
295 	v = vm_gic_create();  in test_new_redist_regions()
296 	subtest_redist_regions(&v);  in test_new_redist_regions()
297 	kvm_device_access(v.gic_fd, KVM_DEV_ARM_VGIC_GRP_CTRL,  in test_new_redist_regions()
300 	ret = run_vcpu(v.vm, 3);  in test_new_redist_regions()
302 	vm_gic_destroy(&v);  in test_new_redist_regions()
306 	v = vm_gic_create();  in test_new_redist_regions()
307 	subtest_redist_regions(&v);  in test_new_redist_regions()
309 	addr = REDIST_REGION_ATTR_ADDR(1, 0x280000, 0, 2);  in test_new_redist_regions()
310 	kvm_device_access(v.gic_fd, KVM_DEV_ARM_VGIC_GRP_ADDR,  in test_new_redist_regions()
313 	ret = run_vcpu(v.vm, 3);  in test_new_redist_regions()
316 	vm_gic_destroy(&v);  in test_new_redist_regions()
320 	v = vm_gic_create();  in test_new_redist_regions()
321 	subtest_redist_regions(&v);  in test_new_redist_regions()
323 	_kvm_device_access(v.gic_fd, KVM_DEV_ARM_VGIC_GRP_ADDR,  in test_new_redist_regions()
328 	addr = REDIST_REGION_ATTR_ADDR(1, 0x280000, 0, 2);  in test_new_redist_regions()
329 	kvm_device_access(v.gic_fd, KVM_DEV_ARM_VGIC_GRP_ADDR,  in test_new_redist_regions()
332 	kvm_device_access(v.gic_fd, KVM_DEV_ARM_VGIC_GRP_CTRL,  in test_new_redist_regions()
335 	ret = run_vcpu(v.vm, 3);  in test_new_redist_regions()
338 	vm_gic_destroy(&v);  in test_new_redist_regions()
343 	struct vm_gic v;  in test_typer_accesses()  local
348 	v.vm = vm_create_default(0, 0, guest_code);  in test_typer_accesses()
350 	v.gic_fd = kvm_create_device(v.vm, KVM_DEV_TYPE_ARM_VGIC_V3, false);  in test_typer_accesses()
352 	vm_vcpu_add_default(v.vm, 3, guest_code);  in test_typer_accesses()
354 	ret = access_redist_reg(v.gic_fd, 1, GICR_TYPER, &val, false);  in test_typer_accesses()
357 	vm_vcpu_add_default(v.vm, 1, guest_code);  in test_typer_accesses()
359 	ret = access_redist_reg(v.gic_fd, 1, GICR_TYPER, &val, false);  in test_typer_accesses()
362 	vm_vcpu_add_default(v.vm, 2, guest_code);  in test_typer_accesses()
364 	kvm_device_access(v.gic_fd, KVM_DEV_ARM_VGIC_GRP_CTRL,  in test_typer_accesses()
367 	for (i = 0; i < NR_VCPUS ; i++) {  in test_typer_accesses()
368 		ret = access_redist_reg(v.gic_fd, 0, GICR_TYPER, &val, false);  in test_typer_accesses()
372 	addr = REDIST_REGION_ATTR_ADDR(2, 0x200000, 0, 0);  in test_typer_accesses()
373 	kvm_device_access(v.gic_fd, KVM_DEV_ARM_VGIC_GRP_ADDR,  in test_typer_accesses()
376 	/* The 2 first rdists should be put there (vcpu 0 and 3) */  in test_typer_accesses()
377 	ret = access_redist_reg(v.gic_fd, 0, GICR_TYPER, &val, false);  in test_typer_accesses()
378 	TEST_ASSERT(!ret && !val, "read typer of rdist #0");  in test_typer_accesses()
380 	ret = access_redist_reg(v.gic_fd, 3, GICR_TYPER, &val, false);  in test_typer_accesses()
381 	TEST_ASSERT(!ret && val == 0x310, "read typer of rdist #1");  in test_typer_accesses()
383 	addr = REDIST_REGION_ATTR_ADDR(10, 0x100000, 0, 1);  in test_typer_accesses()
384 	ret = _kvm_device_access(v.gic_fd, KVM_DEV_ARM_VGIC_GRP_ADDR,  in test_typer_accesses()
388 	ret = access_redist_reg(v.gic_fd, 1, GICR_TYPER, &val, false);  in test_typer_accesses()
389 	TEST_ASSERT(!ret && val == 0x100,  in test_typer_accesses()
392 	ret = access_redist_reg(v.gic_fd, 2, GICR_TYPER, &val, false);  in test_typer_accesses()
393 	TEST_ASSERT(!ret && val == 0x200,  in test_typer_accesses()
396 	addr = REDIST_REGION_ATTR_ADDR(10, 0x20000, 0, 1);  in test_typer_accesses()
397 	kvm_device_access(v.gic_fd, KVM_DEV_ARM_VGIC_GRP_ADDR,  in test_typer_accesses()
400 	ret = access_redist_reg(v.gic_fd, 1, GICR_TYPER, &val, false);  in test_typer_accesses()
401 	TEST_ASSERT(!ret && val == 0x100, "read typer of rdist #1");  in test_typer_accesses()
403 	ret = access_redist_reg(v.gic_fd, 2, GICR_TYPER, &val, false);  in test_typer_accesses()
404 	TEST_ASSERT(!ret && val == 0x210,  in test_typer_accesses()
407 	vm_gic_destroy(&v);  in test_typer_accesses()
413  * rdist region #0 @0x100000 2 rdist capacity
414  *     rdists: 0, 3 (Last)
415  * rdist region #1 @0x240000 2 rdist capacity
417  * rdist region #2 @0x200000 2 rdist capacity
422 	uint32_t vcpuids[] = { 0, 3, 5, 4, 1, 2 };  in test_last_bit_redist_regions()
423 	struct vm_gic v;  in test_last_bit_redist_regions()  local
428 	v.vm = vm_create_default_with_vcpus(6, 0, 0, guest_code, vcpuids);  in test_last_bit_redist_regions()
430 	v.gic_fd = kvm_create_device(v.vm, KVM_DEV_TYPE_ARM_VGIC_V3, false);  in test_last_bit_redist_regions()
432 	kvm_device_access(v.gic_fd, KVM_DEV_ARM_VGIC_GRP_CTRL,  in test_last_bit_redist_regions()
435 	addr = REDIST_REGION_ATTR_ADDR(2, 0x100000, 0, 0);  in test_last_bit_redist_regions()
436 	kvm_device_access(v.gic_fd, KVM_DEV_ARM_VGIC_GRP_ADDR,  in test_last_bit_redist_regions()
439 	addr = REDIST_REGION_ATTR_ADDR(2, 0x240000, 0, 1);  in test_last_bit_redist_regions()
440 	kvm_device_access(v.gic_fd, KVM_DEV_ARM_VGIC_GRP_ADDR,  in test_last_bit_redist_regions()
443 	addr = REDIST_REGION_ATTR_ADDR(2, 0x200000, 0, 2);  in test_last_bit_redist_regions()
444 	kvm_device_access(v.gic_fd, KVM_DEV_ARM_VGIC_GRP_ADDR,  in test_last_bit_redist_regions()
447 	ret = access_redist_reg(v.gic_fd, 0, GICR_TYPER, &val, false);  in test_last_bit_redist_regions()
448 	TEST_ASSERT(!ret && val == 0x000, "read typer of rdist #0");  in test_last_bit_redist_regions()
450 	ret = access_redist_reg(v.gic_fd, 1, GICR_TYPER, &val, false);  in test_last_bit_redist_regions()
451 	TEST_ASSERT(!ret && val == 0x100, "read typer of rdist #1");  in test_last_bit_redist_regions()
453 	ret = access_redist_reg(v.gic_fd, 2, GICR_TYPER, &val, false);  in test_last_bit_redist_regions()
454 	TEST_ASSERT(!ret && val == 0x200, "read typer of rdist #2");  in test_last_bit_redist_regions()
456 	ret = access_redist_reg(v.gic_fd, 3, GICR_TYPER, &val, false);  in test_last_bit_redist_regions()
457 	TEST_ASSERT(!ret && val == 0x310, "read typer of rdist #3");  in test_last_bit_redist_regions()
459 	ret = access_redist_reg(v.gic_fd, 5, GICR_TYPER, &val, false);  in test_last_bit_redist_regions()
460 	TEST_ASSERT(!ret && val == 0x500, "read typer of rdist #5");  in test_last_bit_redist_regions()
462 	ret = access_redist_reg(v.gic_fd, 4, GICR_TYPER, &val, false);  in test_last_bit_redist_regions()
463 	TEST_ASSERT(!ret && val == 0x410, "read typer of rdist #4");  in test_last_bit_redist_regions()
465 	vm_gic_destroy(&v);  in test_last_bit_redist_regions()
471 	uint32_t vcpuids[] = { 0, 3, 5, 4, 1, 2 };  in test_last_bit_single_rdist()
472 	struct vm_gic v;  in test_last_bit_single_rdist()  local
477 	v.vm = vm_create_default_with_vcpus(6, 0, 0, guest_code, vcpuids);  in test_last_bit_single_rdist()
479 	v.gic_fd = kvm_create_device(v.vm, KVM_DEV_TYPE_ARM_VGIC_V3, false);  in test_last_bit_single_rdist()
481 	kvm_device_access(v.gic_fd, KVM_DEV_ARM_VGIC_GRP_CTRL,  in test_last_bit_single_rdist()
484 	addr = 0x10000;  in test_last_bit_single_rdist()
485 	kvm_device_access(v.gic_fd, KVM_DEV_ARM_VGIC_GRP_ADDR,  in test_last_bit_single_rdist()
488 	ret = access_redist_reg(v.gic_fd, 0, GICR_TYPER, &val, false);  in test_last_bit_single_rdist()
489 	TEST_ASSERT(!ret && val == 0x000, "read typer of rdist #0");  in test_last_bit_single_rdist()
491 	ret = access_redist_reg(v.gic_fd, 3, GICR_TYPER, &val, false);  in test_last_bit_single_rdist()
492 	TEST_ASSERT(!ret && val == 0x300, "read typer of rdist #1");  in test_last_bit_single_rdist()
494 	ret = access_redist_reg(v.gic_fd, 5, GICR_TYPER, &val, false);  in test_last_bit_single_rdist()
495 	TEST_ASSERT(!ret && val == 0x500, "read typer of rdist #2");  in test_last_bit_single_rdist()
497 	ret = access_redist_reg(v.gic_fd, 1, GICR_TYPER, &val, false);  in test_last_bit_single_rdist()
498 	TEST_ASSERT(!ret && val == 0x100, "read typer of rdist #3");  in test_last_bit_single_rdist()
500 	ret = access_redist_reg(v.gic_fd, 2, GICR_TYPER, &val, false);  in test_last_bit_single_rdist()
501 	TEST_ASSERT(!ret && val == 0x210, "read typer of rdist #3");  in test_last_bit_single_rdist()
503 	vm_gic_destroy(&v);  in test_last_bit_single_rdist()
508 	struct vm_gic v;  in test_kvm_device()  local
511 	v.vm = vm_create_default_with_vcpus(NR_VCPUS, 0, 0, guest_code, NULL);  in test_kvm_device()
514 	ret = _kvm_create_device(v.vm, 0, true, &fd);  in test_kvm_device()
518 	ret = _kvm_create_device(v.vm, KVM_DEV_TYPE_ARM_VGIC_V3, true, &fd);  in test_kvm_device()
523 	v.gic_fd = kvm_create_device(v.vm, KVM_DEV_TYPE_ARM_VGIC_V3, false);  in test_kvm_device()
525 	ret = _kvm_create_device(v.vm, KVM_DEV_TYPE_ARM_VGIC_V3, false, &fd);  in test_kvm_device()
528 	kvm_create_device(v.vm, KVM_DEV_TYPE_ARM_VGIC_V3, true);  in test_kvm_device()
530 	if (!_kvm_create_device(v.vm, KVM_DEV_TYPE_ARM_VGIC_V2, true, &fd)) {  in test_kvm_device()
531 		ret = _kvm_create_device(v.vm, KVM_DEV_TYPE_ARM_VGIC_V2, false, &fd);  in test_kvm_device()
535 	vm_gic_destroy(&v);  in test_kvm_device()
550 	return 0;  in main()