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KVM: selftests: Convert the Hyper-V feature test to printf style GUEST_ASSERT

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Convert x86's Hyper-V feature test to use print-based guest asserts.
Opportunistically use the EQ and NE variants in a few places to capture
additional information.

Link: https://lore.kernel.org/r/20230729003643.1053367-23-seanjc@google.com
Signed-off-by: Sean Christopherson <seanjc@google.com>
This commit is contained in:
Sean Christopherson
2023-07-28 17:36:31 -07:00
parent 82cb0ed66d
commit 8d1d3ce604
1 changed files with 21 additions and 10 deletions
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31
tools/testing/selftests/kvm/x86_64/hyperv_features.c
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@@ -4,6 +4,8 @@
*
* Tests for Hyper-V features enablement
*/
#define USE_GUEST_ASSERT_PRINTF 1
#include <asm/kvm_para.h>
#include <linux/kvm_para.h>
#include <stdint.h>
@@ -53,16 +55,21 @@ static void guest_msr(struct msr_data *msr)
vector = rdmsr_safe(msr->idx, &msr_val);
if (msr->fault_expected)
GUEST_ASSERT_3(vector == GP_VECTOR, msr->idx, vector, GP_VECTOR);
__GUEST_ASSERT(vector == GP_VECTOR,
"Expected #GP on %sMSR(0x%x), got vector '0x%x'",
msr->idx, msr->write ? "WR" : "RD", vector);
else
GUEST_ASSERT_3(!vector, msr->idx, vector, 0);
__GUEST_ASSERT(!vector,
"Expected success on %sMSR(0x%x), got vector '0x%x'",
msr->idx, msr->write ? "WR" : "RD", vector);
if (vector || is_write_only_msr(msr->idx))
goto done;
if (msr->write)
GUEST_ASSERT_3(msr_val == msr->write_val, msr->idx,
msr_val, msr->write_val);
__GUEST_ASSERT(!vector,
"WRMSR(0x%x) to '0x%llx', RDMSR read '0x%llx'",
msr->idx, msr->write_val, msr_val);
/* Invariant TSC bit appears when TSC invariant control MSR is written to */
if (msr->idx == HV_X64_MSR_TSC_INVARIANT_CONTROL) {
@@ -82,7 +89,7 @@ static void guest_hcall(vm_vaddr_t pgs_gpa, struct hcall_data *hcall)
u64 res, input, output;
uint8_t vector;
GUEST_ASSERT(hcall->control);
GUEST_ASSERT_NE(hcall->control, 0);
wrmsr(HV_X64_MSR_GUEST_OS_ID, HYPERV_LINUX_OS_ID);
wrmsr(HV_X64_MSR_HYPERCALL, pgs_gpa);
@@ -96,10 +103,14 @@ static void guest_hcall(vm_vaddr_t pgs_gpa, struct hcall_data *hcall)
vector = __hyperv_hypercall(hcall->control, input, output, &res);
if (hcall->ud_expected) {
GUEST_ASSERT_2(vector == UD_VECTOR, hcall->control, vector);
__GUEST_ASSERT(vector == UD_VECTOR,
"Expected #UD for control '%u', got vector '0x%x'",
hcall->control, vector);
} else {
GUEST_ASSERT_2(!vector, hcall->control, vector);
GUEST_ASSERT_2(res == hcall->expect, hcall->expect, res);
__GUEST_ASSERT(!vector,
"Expected no exception for control '%u', got vector '0x%x'",
hcall->control, vector);
GUEST_ASSERT_EQ(res, hcall->expect);
}
GUEST_DONE();
@@ -495,7 +506,7 @@ static void guest_test_msrs_access(void)
switch (get_ucall(vcpu, &uc)) {
case UCALL_ABORT:
REPORT_GUEST_ASSERT_3(uc, "MSR = %lx, arg1 = %lx, arg2 = %lx");
REPORT_GUEST_ASSERT(uc);
return;
case UCALL_DONE:
break;
@@ -665,7 +676,7 @@ static void guest_test_hcalls_access(void)
switch (get_ucall(vcpu, &uc)) {
case UCALL_ABORT:
REPORT_GUEST_ASSERT_2(uc, "arg1 = %lx, arg2 = %lx");
REPORT_GUEST_ASSERT(uc);
return;
case UCALL_DONE:
break;