Use __KVM_SYSCALL_ERROR() to report and pretty print non-KVM syscall and ioctl errors, e.g. for mmap(), munmap(), uffd ioctls, etc... Signed-off-by: Sean Christopherson <seanjc@xxxxxxxxxx> --- .../testing/selftests/kvm/aarch64/vgic_irq.c | 5 ++- .../selftests/kvm/demand_paging_test.c | 12 +++---- tools/testing/selftests/kvm/lib/kvm_util.c | 34 ++++++++----------- 3 files changed, 22 insertions(+), 29 deletions(-) diff --git a/tools/testing/selftests/kvm/aarch64/vgic_irq.c b/tools/testing/selftests/kvm/aarch64/vgic_irq.c index 554ca649d470..87e41895b385 100644 --- a/tools/testing/selftests/kvm/aarch64/vgic_irq.c +++ b/tools/testing/selftests/kvm/aarch64/vgic_irq.c @@ -630,8 +630,7 @@ static void kvm_routing_and_irqfd_check(struct kvm_vm *vm, for (f = 0, i = intid; i < (uint64_t)intid + num; i++, f++) { fd[f] = eventfd(0, 0); - TEST_ASSERT(fd[f] != -1, - "eventfd failed, errno: %i\n", errno); + TEST_ASSERT(fd[f] != -1, __KVM_SYSCALL_ERROR("eventfd()", fd[f])); } for (f = 0, i = intid; i < (uint64_t)intid + num; i++, f++) { @@ -647,7 +646,7 @@ static void kvm_routing_and_irqfd_check(struct kvm_vm *vm, val = 1; ret = write(fd[f], &val, sizeof(uint64_t)); TEST_ASSERT(ret == sizeof(uint64_t), - "Write to KVM_IRQFD failed with ret: %d\n", ret); + __KVM_SYSCALL_ERROR("write()", ret)); } for (f = 0, i = intid; i < (uint64_t)intid + num; i++, f++) diff --git a/tools/testing/selftests/kvm/demand_paging_test.c b/tools/testing/selftests/kvm/demand_paging_test.c index 6a719d065599..d8db0a37e973 100644 --- a/tools/testing/selftests/kvm/demand_paging_test.c +++ b/tools/testing/selftests/kvm/demand_paging_test.c @@ -223,6 +223,7 @@ static void setup_demand_paging(struct kvm_vm *vm, struct uffdio_api uffdio_api; struct uffdio_register uffdio_register; uint64_t expected_ioctls = ((uint64_t) 1) << _UFFDIO_COPY; + int ret; PER_PAGE_DEBUG("Userfaultfd %s mode, faults resolved with %s\n", is_minor ? "MINOR" : "MISSING", @@ -242,19 +243,18 @@ static void setup_demand_paging(struct kvm_vm *vm, } uffd = syscall(__NR_userfaultfd, O_CLOEXEC | O_NONBLOCK); - TEST_ASSERT(uffd >= 0, "uffd creation failed, errno: %d", errno); + TEST_ASSERT(uffd >= 0, __KVM_SYSCALL_ERROR("userfaultfd()", uffd)); uffdio_api.api = UFFD_API; uffdio_api.features = 0; - TEST_ASSERT(ioctl(uffd, UFFDIO_API, &uffdio_api) != -1, - "ioctl UFFDIO_API failed: %" PRIu64, - (uint64_t)uffdio_api.api); + ret = ioctl(uffd, UFFDIO_API, &uffdio_api); + TEST_ASSERT(ret != -1, __KVM_SYSCALL_ERROR("UFFDIO_API", ret)); uffdio_register.range.start = (uint64_t)hva; uffdio_register.range.len = len; uffdio_register.mode = uffd_mode; - TEST_ASSERT(ioctl(uffd, UFFDIO_REGISTER, &uffdio_register) != -1, - "ioctl UFFDIO_REGISTER failed"); + ret = ioctl(uffd, UFFDIO_REGISTER, &uffdio_register); + TEST_ASSERT(ret != -1, __KVM_SYSCALL_ERROR("UFFDIO_REGISTER", ret)); TEST_ASSERT((uffdio_register.ioctls & expected_ioctls) == expected_ioctls, "missing userfaultfd ioctls"); diff --git a/tools/testing/selftests/kvm/lib/kvm_util.c b/tools/testing/selftests/kvm/lib/kvm_util.c index 4d2748e8428a..c7df8ba04ec5 100644 --- a/tools/testing/selftests/kvm/lib/kvm_util.c +++ b/tools/testing/selftests/kvm/lib/kvm_util.c @@ -517,17 +517,15 @@ static void vm_vcpu_rm(struct kvm_vm *vm, struct vcpu *vcpu) if (vcpu->dirty_gfns) { ret = munmap(vcpu->dirty_gfns, vm->dirty_ring_size); - TEST_ASSERT(ret == 0, "munmap of VCPU dirty ring failed, " - "rc: %i errno: %i", ret, errno); + TEST_ASSERT(!ret, __KVM_SYSCALL_ERROR("munmap()", ret)); vcpu->dirty_gfns = NULL; } ret = munmap(vcpu->state, vcpu_mmap_sz()); - TEST_ASSERT(ret == 0, "munmap of VCPU fd failed, rc: %i " - "errno: %i", ret, errno); + TEST_ASSERT(!ret, __KVM_SYSCALL_ERROR("munmap()", ret)); + ret = close(vcpu->fd); - TEST_ASSERT(ret == 0, "Close of VCPU fd failed, rc: %i " - "errno: %i", ret, errno); + TEST_ASSERT(!ret, __KVM_SYSCALL_ERROR("close()", ret)); list_del(&vcpu->list); free(vcpu); @@ -542,12 +540,10 @@ void kvm_vm_release(struct kvm_vm *vmp) vm_vcpu_rm(vmp, vcpu); ret = close(vmp->fd); - TEST_ASSERT(ret == 0, "Close of vm fd failed,\n" - " vmp->fd: %i rc: %i errno: %i", vmp->fd, ret, errno); + TEST_ASSERT(!ret, __KVM_SYSCALL_ERROR("close()", ret)); ret = close(vmp->kvm_fd); - TEST_ASSERT(ret == 0, "Close of /dev/kvm fd failed,\n" - " vmp->kvm_fd: %i rc: %i errno: %i", vmp->kvm_fd, ret, errno); + TEST_ASSERT(!ret, __KVM_SYSCALL_ERROR("close()", ret)); } static void __vm_mem_region_delete(struct kvm_vm *vm, @@ -567,7 +563,7 @@ static void __vm_mem_region_delete(struct kvm_vm *vm, sparsebit_free(®ion->unused_phy_pages); ret = munmap(region->mmap_start, region->mmap_size); - TEST_ASSERT(ret == 0, "munmap failed, rc: %i errno: %i", ret, errno); + TEST_ASSERT(!ret, __KVM_SYSCALL_ERROR("munmap()", ret)); free(region); } @@ -607,14 +603,13 @@ int kvm_memfd_alloc(size_t size, bool hugepages) memfd_flags |= MFD_HUGETLB; fd = memfd_create("kvm_selftest", memfd_flags); - TEST_ASSERT(fd != -1, "memfd_create() failed, errno: %i (%s)", - errno, strerror(errno)); + TEST_ASSERT(fd != -1, __KVM_SYSCALL_ERROR("memfd_create()", fd)); r = ftruncate(fd, size); - TEST_ASSERT(!r, "ftruncate() failed, errno: %i (%s)", errno, strerror(errno)); + TEST_ASSERT(!r, __KVM_SYSCALL_ERROR("ftruncate()", r)); r = fallocate(fd, FALLOC_FL_PUNCH_HOLE | FALLOC_FL_KEEP_SIZE, 0, size); - TEST_ASSERT(!r, "fallocate() failed, errno: %i (%s)", errno, strerror(errno)); + TEST_ASSERT(!r, __KVM_SYSCALL_ERROR("fallocate()", r)); return fd; } @@ -880,8 +875,7 @@ void vm_userspace_mem_region_add(struct kvm_vm *vm, vm_mem_backing_src_alias(src_type)->flag, region->fd, 0); TEST_ASSERT(region->mmap_start != MAP_FAILED, - "test_malloc failed, mmap_start: %p errno: %i", - region->mmap_start, errno); + __KVM_SYSCALL_ERROR("mmap()", (int)(unsigned long)MAP_FAILED)); TEST_ASSERT(!is_backing_src_hugetlb(src_type) || region->mmap_start == align_ptr_up(region->mmap_start, backing_src_pagesz), @@ -929,7 +923,7 @@ void vm_userspace_mem_region_add(struct kvm_vm *vm, vm_mem_backing_src_alias(src_type)->flag, region->fd, 0); TEST_ASSERT(region->mmap_alias != MAP_FAILED, - "mmap of alias failed, errno: %i", errno); + __KVM_SYSCALL_ERROR("mmap()", (int)(unsigned long)MAP_FAILED)); /* Align host alias address */ region->host_alias = align_ptr_up(region->mmap_alias, alignment); @@ -1115,8 +1109,8 @@ void vm_vcpu_add(struct kvm_vm *vm, uint32_t vcpuid) vcpu_mmap_sz(), sizeof(*vcpu->state)); vcpu->state = (struct kvm_run *) mmap(NULL, vcpu_mmap_sz(), PROT_READ | PROT_WRITE, MAP_SHARED, vcpu->fd, 0); - TEST_ASSERT(vcpu->state != MAP_FAILED, "mmap vcpu_state failed, " - "vcpu id: %u errno: %i", vcpuid, errno); + TEST_ASSERT(vcpu->state != MAP_FAILED, + __KVM_SYSCALL_ERROR("mmap()", (int)(unsigned long)MAP_FAILED)); /* Add to linked-list of VCPUs. */ list_add(&vcpu->list, &vm->vcpus); -- 2.36.0.464.gb9c8b46e94-goog