hypercall() can be used by other hyperv tests, move it to hyperv.h. Signed-off-by: Vipin Sharma <vipinsh@xxxxxxxxxx> --- .../selftests/kvm/include/x86_64/hyperv.h | 17 +++++++++++++++++ .../selftests/kvm/x86_64/hyperv_features.c | 17 ----------------- 2 files changed, 17 insertions(+), 17 deletions(-) diff --git a/tools/testing/selftests/kvm/include/x86_64/hyperv.h b/tools/testing/selftests/kvm/include/x86_64/hyperv.h index 9d8c325af1d9..87d8d9e444f7 100644 --- a/tools/testing/selftests/kvm/include/x86_64/hyperv.h +++ b/tools/testing/selftests/kvm/include/x86_64/hyperv.h @@ -199,4 +199,21 @@ static inline uint64_t hv_linux_guest_id(void) ((uint64_t)LINUX_VERSION_CODE << 16); } +static inline uint8_t hypercall(u64 control, vm_vaddr_t input_address, + vm_vaddr_t output_address, uint64_t *hv_status) +{ + uint8_t vector; + + /* Note both the hypercall and the "asm safe" clobber r9-r11. */ + asm volatile("mov %[output_address], %%r8\n\t" + KVM_ASM_SAFE("vmcall") + : "=a" (*hv_status), + "+c" (control), "+d" (input_address), + KVM_ASM_SAFE_OUTPUTS(vector) + : [output_address] "r"(output_address), + "a" (-EFAULT) + : "cc", "memory", "r8", KVM_ASM_SAFE_CLOBBERS); + return vector; +} + #endif /* !SELFTEST_KVM_HYPERV_H */ diff --git a/tools/testing/selftests/kvm/x86_64/hyperv_features.c b/tools/testing/selftests/kvm/x86_64/hyperv_features.c index b5a42cf1ad9d..31b22ee07dfb 100644 --- a/tools/testing/selftests/kvm/x86_64/hyperv_features.c +++ b/tools/testing/selftests/kvm/x86_64/hyperv_features.c @@ -13,23 +13,6 @@ #include "processor.h" #include "hyperv.h" -static inline uint8_t hypercall(u64 control, vm_vaddr_t input_address, - vm_vaddr_t output_address, uint64_t *hv_status) -{ - uint8_t vector; - - /* Note both the hypercall and the "asm safe" clobber r9-r11. */ - asm volatile("mov %[output_address], %%r8\n\t" - KVM_ASM_SAFE("vmcall") - : "=a" (*hv_status), - "+c" (control), "+d" (input_address), - KVM_ASM_SAFE_OUTPUTS(vector) - : [output_address] "r"(output_address), - "a" (-EFAULT) - : "cc", "memory", "r8", KVM_ASM_SAFE_CLOBBERS); - return vector; -} - struct msr_data { uint32_t idx; bool available; -- 2.38.1.273.g43a17bfeac-goog