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kvm: selftests: Support dirty log initial-all-set test 

Since the new capability KVM_DIRTY_LOG_INITIALLY_SET of
KVM_CAP_MANUAL_DIRTY_LOG_PROTECT2 has been introduced, tweak the
clear_dirty_log_test to use it.

Signed-off-by: Jay Zhou <jianjay.zhou@huawei.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Jay Zhou 2020-03-03 16:07:10 +08:00 committed by Paolo Bonzini
parent a1c77abb8d
commit e743664bea
2 changed files with 16 additions and 3 deletions
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4
tools/testing/selftests/kvm/clear_dirty_log_test.c
View File

@ -1,2 +1,6 @@
#define USE_CLEAR_DIRTY_LOG #define USE_CLEAR_DIRTY_LOG
#define KVM_DIRTY_LOG_MANUAL_PROTECT_ENABLE (1 << 0)
#define KVM_DIRTY_LOG_INITIALLY_SET (1 << 1)
#define KVM_DIRTY_LOG_MANUAL_CAPS (KVM_DIRTY_LOG_MANUAL_PROTECT_ENABLE | \
KVM_DIRTY_LOG_INITIALLY_SET)
#include "dirty_log_test.c" #include "dirty_log_test.c"

15
tools/testing/selftests/kvm/dirty_log_test.c
View File

@ -265,6 +265,10 @@ static struct kvm_vm *create_vm(enum vm_guest_mode mode, uint32_t vcpuid,
#define DIRTY_MEM_BITS 30 /* 1G */ #define DIRTY_MEM_BITS 30 /* 1G */
#define PAGE_SHIFT_4K 12 #define PAGE_SHIFT_4K 12
#ifdef USE_CLEAR_DIRTY_LOG
static u64 dirty_log_manual_caps;
#endif
static void run_test(enum vm_guest_mode mode, unsigned long iterations, static void run_test(enum vm_guest_mode mode, unsigned long iterations,
unsigned long interval, uint64_t phys_offset) unsigned long interval, uint64_t phys_offset)
{ {
@ -321,7 +325,7 @@ static void run_test(enum vm_guest_mode mode, unsigned long iterations,
struct kvm_enable_cap cap = {}; struct kvm_enable_cap cap = {};
cap.cap = KVM_CAP_MANUAL_DIRTY_LOG_PROTECT2; cap.cap = KVM_CAP_MANUAL_DIRTY_LOG_PROTECT2;
cap.args[0] = 1; cap.args[0] = dirty_log_manual_caps;
vm_enable_cap(vm, &cap); vm_enable_cap(vm, &cap);
#endif #endif
@ -433,10 +437,15 @@ int main(int argc, char *argv[])
int opt, i; int opt, i;
#ifdef USE_CLEAR_DIRTY_LOG #ifdef USE_CLEAR_DIRTY_LOG
if (!kvm_check_cap(KVM_CAP_MANUAL_DIRTY_LOG_PROTECT2)) { dirty_log_manual_caps =
fprintf(stderr, "KVM_CLEAR_DIRTY_LOG not available, skipping tests\n"); kvm_check_cap(KVM_CAP_MANUAL_DIRTY_LOG_PROTECT2);
if (!dirty_log_manual_caps) {
fprintf(stderr, "KVM_CLEAR_DIRTY_LOG not available, "
"skipping tests\n");
exit(KSFT_SKIP); exit(KSFT_SKIP);
} }
dirty_log_manual_caps &= (KVM_DIRTY_LOG_MANUAL_PROTECT_ENABLE |
KVM_DIRTY_LOG_INITIALLY_SET);
#endif #endif
#ifdef __x86_64__ #ifdef __x86_64__