| lists.openwall.net | lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC | |
|
Open Source and information security mailing list archives
| ||
|
Message-Id: <20221012205609.2811294-6-scgl@linux.ibm.com>
Date: Wed, 12 Oct 2022 22:56:05 +0200
From: Janis Schoetterl-Glausch <scgl@...ux.ibm.com>
To: Christian Borntraeger <borntraeger@...ux.ibm.com>,
Janosch Frank <frankja@...ux.ibm.com>,
Claudio Imbrenda <imbrenda@...ux.ibm.com>,
Heiko Carstens <hca@...ux.ibm.com>,
Vasily Gorbik <gor@...ux.ibm.com>,
Alexander Gordeev <agordeev@...ux.ibm.com>
Cc: Janis Schoetterl-Glausch <scgl@...ux.ibm.com>,
David Hildenbrand <david@...hat.com>,
Jonathan Corbet <corbet@....net>, kvm@...r.kernel.org,
linux-doc@...r.kernel.org, linux-kernel@...r.kernel.org,
linux-kselftest@...r.kernel.org, linux-s390@...r.kernel.org,
Paolo Bonzini <pbonzini@...hat.com>,
Shuah Khan <shuah@...nel.org>,
Sven Schnelle <svens@...ux.ibm.com>
Subject: [PATCH v2 5/9] KVM: s390: selftest: memop: Replace macros by functions
Replace the DEFAULT_* test helpers by functions, as they don't
need the exta flexibility.
Signed-off-by: Janis Schoetterl-Glausch <scgl@...ux.ibm.com>
---
tools/testing/selftests/kvm/s390x/memop.c | 82 +++++++++++------------
1 file changed, 39 insertions(+), 43 deletions(-)
diff --git a/tools/testing/selftests/kvm/s390x/memop.c b/tools/testing/selftests/kvm/s390x/memop.c
index 69869c7e2ab1..286185a59238 100644
--- a/tools/testing/selftests/kvm/s390x/memop.c
+++ b/tools/testing/selftests/kvm/s390x/memop.c
@@ -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);
}
--
2.34.1
Powered by blists - more mailing lists