diff options
Diffstat (limited to 'Documentation/virtual/kvm/api.txt')
| -rw-r--r-- | Documentation/virtual/kvm/api.txt | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/Documentation/virtual/kvm/api.txt b/Documentation/virtual/kvm/api.txt index 68509dee23e8..03df379a02b0 100644 --- a/Documentation/virtual/kvm/api.txt +++ b/Documentation/virtual/kvm/api.txt @@ -2171,13 +2171,15 @@ and KVM_ARM_VCPU_FINALIZE for more information about this procedure. KVM_REG_ARM64_SVE_VLS is a pseudo-register that allows the set of vector lengths supported by the vcpu to be discovered and configured by userspace. When transferred to or from user memory via KVM_GET_ONE_REG -or KVM_SET_ONE_REG, the value of this register is of type __u64[8], and -encodes the set of vector lengths as follows: +or KVM_SET_ONE_REG, the value of this register is of type +__u64[KVM_ARM64_SVE_VLS_WORDS], and encodes the set of vector lengths as +follows: -__u64 vector_lengths[8]; +__u64 vector_lengths[KVM_ARM64_SVE_VLS_WORDS]; if (vq >= SVE_VQ_MIN && vq <= SVE_VQ_MAX && - ((vector_lengths[(vq - 1) / 64] >> ((vq - 1) % 64)) & 1)) + ((vector_lengths[(vq - KVM_ARM64_SVE_VQ_MIN) / 64] >> + ((vq - KVM_ARM64_SVE_VQ_MIN) % 64)) & 1)) /* Vector length vq * 16 bytes supported */ else /* Vector length vq * 16 bytes not supported */ |