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KVM: s390: selftest: memop: Replace macros by functions

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Replace the DEFAULT_* test helpers by functions, as they don't
need the extra flexibility.

Signed-off-by: Janis Schoetterl-Glausch <scgl@linux.ibm.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Acked-by: Janosch Frank <frankja@linux.ibm.com>
Link: https://lore.kernel.org/r/20230206164602.138068-3-scgl@linux.ibm.com
Message-Id: <20230206164602.138068-3-scgl@linux.ibm.com>
Signed-off-by: Janosch Frank <frankja@linux.ibm.com>
This commit is contained in:
Janis Schoetterl-Glausch 2023-02-06 17:45:50 +01:00 committed by Janosch Frank
parent 7d42b38de9
commit 12d2707419
1 changed files with 39 additions and 43 deletions
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82
tools/testing/selftests/kvm/s390x/memop.c
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@ -48,6 +48,8 @@ struct mop_desc {
uint8_t key;
};
const uint8_t NO_KEY = 0xff;
static struct kvm_s390_mem_op ksmo_from_desc(const struct mop_desc *desc)
{
struct kvm_s390_mem_op ksmo = {
@ -85,7 +87,7 @@ static struct kvm_s390_mem_op ksmo_from_desc(const struct mop_desc *desc)
ksmo.flags |= KVM_S390_MEMOP_F_INJECT_EXCEPTION;
if (desc->_set_flags)
ksmo.flags = desc->set_flags;
if (desc->f_key) {
if (desc->f_key && desc->key != NO_KEY) {
ksmo.flags |= KVM_S390_MEMOP_F_SKEY_PROTECTION;
ksmo.key = desc->key;
}
@ -268,34 +270,28 @@ static void prepare_mem12(void)
#define ASSERT_MEM_EQ(p1, p2, size) \
TEST_ASSERT(!memcmp(p1, p2, size), "Memory contents do not match!")
#define DEFAULT_WRITE_READ(copy_cpu, mop_cpu, mop_target_p, size, ...) \
({ \
struct test_info __copy_cpu = (copy_cpu), __mop_cpu = (mop_cpu); \
enum mop_target __target = (mop_target_p); \
uint32_t __size = (size); \
\
prepare_mem12(); \
CHECK_N_DO(MOP, __mop_cpu, __target, WRITE, mem1, __size, \
GADDR_V(mem1), ##__VA_ARGS__); \
HOST_SYNC(__copy_cpu, STAGE_COPIED); \
CHECK_N_DO(MOP, __mop_cpu, __target, READ, mem2, __size, \
GADDR_V(mem2), ##__VA_ARGS__); \
ASSERT_MEM_EQ(mem1, mem2, __size); \
})
static void default_write_read(struct test_info copy_cpu, struct test_info mop_cpu,
enum mop_target mop_target, uint32_t size, uint8_t key)
{
prepare_mem12();
CHECK_N_DO(MOP, mop_cpu, mop_target, WRITE, mem1, size,
GADDR_V(mem1), KEY(key));
HOST_SYNC(copy_cpu, STAGE_COPIED);
CHECK_N_DO(MOP, mop_cpu, mop_target, READ, mem2, size,
GADDR_V(mem2), KEY(key));
ASSERT_MEM_EQ(mem1, mem2, size);
}
#define DEFAULT_READ(copy_cpu, mop_cpu, mop_target_p, size, ...) \
({ \
struct test_info __copy_cpu = (copy_cpu), __mop_cpu = (mop_cpu); \
enum mop_target __target = (mop_target_p); \
uint32_t __size = (size); \
\
prepare_mem12(); \
CHECK_N_DO(MOP, __mop_cpu, __target, WRITE, mem1, __size, \
GADDR_V(mem1)); \
HOST_SYNC(__copy_cpu, STAGE_COPIED); \
CHECK_N_DO(MOP, __mop_cpu, __target, READ, mem2, __size, ##__VA_ARGS__);\
ASSERT_MEM_EQ(mem1, mem2, __size); \
})
static void default_read(struct test_info copy_cpu, struct test_info mop_cpu,
enum mop_target mop_target, uint32_t size, uint8_t key)
{
prepare_mem12();
CHECK_N_DO(MOP, mop_cpu, mop_target, WRITE, mem1, size, GADDR_V(mem1));
HOST_SYNC(copy_cpu, STAGE_COPIED);
CHECK_N_DO(MOP, mop_cpu, mop_target, READ, mem2, size,
GADDR_V(mem2), KEY(key));
ASSERT_MEM_EQ(mem1, mem2, size);
}
static void guest_copy(void)
{
@ -310,7 +306,7 @@ static void test_copy(void)
HOST_SYNC(t.vcpu, STAGE_INITED);
DEFAULT_WRITE_READ(t.vcpu, t.vcpu, LOGICAL, t.size);
default_write_read(t.vcpu, t.vcpu, LOGICAL, t.size, NO_KEY);
kvm_vm_free(t.kvm_vm);
}
@ -357,26 +353,26 @@ static void test_copy_key(void)
HOST_SYNC(t.vcpu, STAGE_SKEYS_SET);
/* vm, no key */
DEFAULT_WRITE_READ(t.vcpu, t.vm, ABSOLUTE, t.size);
default_write_read(t.vcpu, t.vm, ABSOLUTE, t.size, NO_KEY);
/* vm/vcpu, machting key or key 0 */
DEFAULT_WRITE_READ(t.vcpu, t.vcpu, LOGICAL, t.size, KEY(0));
DEFAULT_WRITE_READ(t.vcpu, t.vcpu, LOGICAL, t.size, KEY(9));
DEFAULT_WRITE_READ(t.vcpu, t.vm, ABSOLUTE, t.size, KEY(0));
DEFAULT_WRITE_READ(t.vcpu, t.vm, ABSOLUTE, t.size, KEY(9));
default_write_read(t.vcpu, t.vcpu, LOGICAL, t.size, 0);
default_write_read(t.vcpu, t.vcpu, LOGICAL, t.size, 9);
default_write_read(t.vcpu, t.vm, ABSOLUTE, t.size, 0);
default_write_read(t.vcpu, t.vm, ABSOLUTE, t.size, 9);
/*
* There used to be different code paths for key handling depending on
* if the region crossed a page boundary.
* There currently are not, but the more tests the merrier.
*/
DEFAULT_WRITE_READ(t.vcpu, t.vcpu, LOGICAL, 1, KEY(0));
DEFAULT_WRITE_READ(t.vcpu, t.vcpu, LOGICAL, 1, KEY(9));
DEFAULT_WRITE_READ(t.vcpu, t.vm, ABSOLUTE, 1, KEY(0));
DEFAULT_WRITE_READ(t.vcpu, t.vm, ABSOLUTE, 1, KEY(9));
default_write_read(t.vcpu, t.vcpu, LOGICAL, 1, 0);
default_write_read(t.vcpu, t.vcpu, LOGICAL, 1, 9);
default_write_read(t.vcpu, t.vm, ABSOLUTE, 1, 0);
default_write_read(t.vcpu, t.vm, ABSOLUTE, 1, 9);
/* vm/vcpu, mismatching keys on read, but no fetch protection */
DEFAULT_READ(t.vcpu, t.vcpu, LOGICAL, t.size, GADDR_V(mem2), KEY(2));
DEFAULT_READ(t.vcpu, t.vm, ABSOLUTE, t.size, GADDR_V(mem1), KEY(2));
default_read(t.vcpu, t.vcpu, LOGICAL, t.size, 2);
default_read(t.vcpu, t.vm, ABSOLUTE, t.size, 2);
kvm_vm_free(t.kvm_vm);
}
@ -409,7 +405,7 @@ static void test_copy_key_storage_prot_override(void)
HOST_SYNC(t.vcpu, STAGE_SKEYS_SET);
/* vcpu, mismatching keys, storage protection override in effect */
DEFAULT_WRITE_READ(t.vcpu, t.vcpu, LOGICAL, t.size, KEY(2));
default_write_read(t.vcpu, t.vcpu, LOGICAL, t.size, 2);
kvm_vm_free(t.kvm_vm);
}
@ -422,8 +418,8 @@ static void test_copy_key_fetch_prot(void)
HOST_SYNC(t.vcpu, STAGE_SKEYS_SET);
/* vm/vcpu, matching key, fetch protection in effect */
DEFAULT_READ(t.vcpu, t.vcpu, LOGICAL, t.size, GADDR_V(mem2), KEY(9));
DEFAULT_READ(t.vcpu, t.vm, ABSOLUTE, t.size, GADDR_V(mem2), KEY(9));
default_read(t.vcpu, t.vcpu, LOGICAL, t.size, 9);
default_read(t.vcpu, t.vm, ABSOLUTE, t.size, 9);
kvm_vm_free(t.kvm_vm);
}