diff options
Diffstat (limited to 'tools/testing/selftests/kvm/include')
| -rw-r--r-- | tools/testing/selftests/kvm/include/kvm_util_base.h | 14 | ||||
| -rw-r--r-- | tools/testing/selftests/kvm/include/ucall_common.h | 8 | ||||
| -rw-r--r-- | tools/testing/selftests/kvm/include/x86_64/processor.h | 25 |
3 files changed, 35 insertions, 12 deletions
diff --git a/tools/testing/selftests/kvm/include/kvm_util_base.h b/tools/testing/selftests/kvm/include/kvm_util_base.h index 2e267cd69288..fbc2a79369b8 100644 --- a/tools/testing/selftests/kvm/include/kvm_util_base.h +++ b/tools/testing/selftests/kvm/include/kvm_util_base.h @@ -22,6 +22,18 @@ #include "sparsebit.h" +/* + * Provide a version of static_assert() that is guaranteed to have an optional + * message param. If _ISOC11_SOURCE is defined, glibc (/usr/include/assert.h) + * #undefs and #defines static_assert() as a direct alias to _Static_assert(), + * i.e. effectively makes the message mandatory. Many KVM selftests #define + * _GNU_SOURCE for various reasons, and _GNU_SOURCE implies _ISOC11_SOURCE. As + * a result, static_assert() behavior is non-deterministic and may or may not + * require a message depending on #include order. + */ +#define __kvm_static_assert(expr, msg, ...) _Static_assert(expr, msg) +#define kvm_static_assert(expr, ...) __kvm_static_assert(expr, ##__VA_ARGS__, #expr) + #define KVM_DEV_PATH "/dev/kvm" #define KVM_MAX_VCPUS 512 @@ -219,7 +231,7 @@ static inline bool kvm_has_cap(long cap) #define kvm_do_ioctl(fd, cmd, arg) \ ({ \ - static_assert(!_IOC_SIZE(cmd) || sizeof(*arg) == _IOC_SIZE(cmd), ""); \ + kvm_static_assert(!_IOC_SIZE(cmd) || sizeof(*arg) == _IOC_SIZE(cmd)); \ ioctl(fd, cmd, arg); \ }) diff --git a/tools/testing/selftests/kvm/include/ucall_common.h b/tools/testing/selftests/kvm/include/ucall_common.h index bdd373189a77..1a6aaef5ccae 100644 --- a/tools/testing/selftests/kvm/include/ucall_common.h +++ b/tools/testing/selftests/kvm/include/ucall_common.h @@ -35,6 +35,14 @@ void ucall(uint64_t cmd, int nargs, ...); uint64_t get_ucall(struct kvm_vcpu *vcpu, struct ucall *uc); void ucall_init(struct kvm_vm *vm, vm_paddr_t mmio_gpa); +/* + * Perform userspace call without any associated data. This bare call avoids + * allocating a ucall struct, which can be useful if the atomic operations in + * the full ucall() are problematic and/or unwanted. Note, this will come out + * as UCALL_NONE on the backend. + */ +#define GUEST_UCALL_NONE() ucall_arch_do_ucall((vm_vaddr_t)NULL) + #define GUEST_SYNC_ARGS(stage, arg1, arg2, arg3, arg4) \ ucall(UCALL_SYNC, 6, "hello", stage, arg1, arg2, arg3, arg4) #define GUEST_SYNC(stage) ucall(UCALL_SYNC, 2, "hello", stage) diff --git a/tools/testing/selftests/kvm/include/x86_64/processor.h b/tools/testing/selftests/kvm/include/x86_64/processor.h index 5d310abe6c3f..b1a31de7108a 100644 --- a/tools/testing/selftests/kvm/include/x86_64/processor.h +++ b/tools/testing/selftests/kvm/include/x86_64/processor.h @@ -72,11 +72,11 @@ struct kvm_x86_cpu_feature { .bit = __bit, \ }; \ \ - static_assert((fn & 0xc0000000) == 0 || \ - (fn & 0xc0000000) == 0x40000000 || \ - (fn & 0xc0000000) == 0x80000000 || \ - (fn & 0xc0000000) == 0xc0000000); \ - static_assert(idx < BIT(sizeof(feature.index) * BITS_PER_BYTE)); \ + kvm_static_assert((fn & 0xc0000000) == 0 || \ + (fn & 0xc0000000) == 0x40000000 || \ + (fn & 0xc0000000) == 0x80000000 || \ + (fn & 0xc0000000) == 0xc0000000); \ + kvm_static_assert(idx < BIT(sizeof(feature.index) * BITS_PER_BYTE)); \ feature; \ }) @@ -94,6 +94,7 @@ struct kvm_x86_cpu_feature { #define X86_FEATURE_XSAVE KVM_X86_CPU_FEATURE(0x1, 0, ECX, 26) #define X86_FEATURE_OSXSAVE KVM_X86_CPU_FEATURE(0x1, 0, ECX, 27) #define X86_FEATURE_RDRAND KVM_X86_CPU_FEATURE(0x1, 0, ECX, 30) +#define X86_FEATURE_HYPERVISOR KVM_X86_CPU_FEATURE(0x1, 0, ECX, 31) #define X86_FEATURE_PAE KVM_X86_CPU_FEATURE(0x1, 0, EDX, 6) #define X86_FEATURE_MCE KVM_X86_CPU_FEATURE(0x1, 0, EDX, 7) #define X86_FEATURE_APIC KVM_X86_CPU_FEATURE(0x1, 0, EDX, 9) @@ -102,6 +103,7 @@ struct kvm_x86_cpu_feature { #define X86_FEATURE_XMM2 KVM_X86_CPU_FEATURE(0x1, 0, EDX, 26) #define X86_FEATURE_FSGSBASE KVM_X86_CPU_FEATURE(0x7, 0, EBX, 0) #define X86_FEATURE_TSC_ADJUST KVM_X86_CPU_FEATURE(0x7, 0, EBX, 1) +#define X86_FEATURE_SGX KVM_X86_CPU_FEATURE(0x7, 0, EBX, 2) #define X86_FEATURE_HLE KVM_X86_CPU_FEATURE(0x7, 0, EBX, 4) #define X86_FEATURE_SMEP KVM_X86_CPU_FEATURE(0x7, 0, EBX, 7) #define X86_FEATURE_INVPCID KVM_X86_CPU_FEATURE(0x7, 0, EBX, 10) @@ -115,6 +117,7 @@ struct kvm_x86_cpu_feature { #define X86_FEATURE_PKU KVM_X86_CPU_FEATURE(0x7, 0, ECX, 3) #define X86_FEATURE_LA57 KVM_X86_CPU_FEATURE(0x7, 0, ECX, 16) #define X86_FEATURE_RDPID KVM_X86_CPU_FEATURE(0x7, 0, ECX, 22) +#define X86_FEATURE_SGX_LC KVM_X86_CPU_FEATURE(0x7, 0, ECX, 30) #define X86_FEATURE_SHSTK KVM_X86_CPU_FEATURE(0x7, 0, ECX, 7) #define X86_FEATURE_IBT KVM_X86_CPU_FEATURE(0x7, 0, EDX, 20) #define X86_FEATURE_AMX_TILE KVM_X86_CPU_FEATURE(0x7, 0, EDX, 24) @@ -190,12 +193,12 @@ struct kvm_x86_cpu_property { .hi_bit = high_bit, \ }; \ \ - static_assert(low_bit < high_bit); \ - static_assert((fn & 0xc0000000) == 0 || \ - (fn & 0xc0000000) == 0x40000000 || \ - (fn & 0xc0000000) == 0x80000000 || \ - (fn & 0xc0000000) == 0xc0000000); \ - static_assert(idx < BIT(sizeof(property.index) * BITS_PER_BYTE)); \ + kvm_static_assert(low_bit < high_bit); \ + kvm_static_assert((fn & 0xc0000000) == 0 || \ + (fn & 0xc0000000) == 0x40000000 || \ + (fn & 0xc0000000) == 0x80000000 || \ + (fn & 0xc0000000) == 0xc0000000); \ + kvm_static_assert(idx < BIT(sizeof(property.index) * BITS_PER_BYTE)); \ property; \ }) |