From: Prasad Pandit <p...@fedoraproject.org>

Add new qtests to run postcopy migration with multifd
channels enabled.

Signed-off-by: Prasad Pandit <p...@fedoraproject.org>
---
 tests/qtest/migration/compression-tests.c | 18 ++++++++
 tests/qtest/migration/postcopy-tests.c    | 27 ++++++++++++
 tests/qtest/migration/precopy-tests.c     | 22 ++++++++++
 tests/qtest/migration/tls-tests.c         | 50 +++++++++++++++++++++++
 4 files changed, 117 insertions(+)

v10:
- Check 'env->has_uffd' before postcopy test

v9:
- 
https://lore.kernel.org/qemu-devel/20250411114534.3370816-8-ppan...@redhat.com/

diff --git a/tests/qtest/migration/compression-tests.c 
b/tests/qtest/migration/compression-tests.c
index 41e79f031b..b827665b8e 100644
--- a/tests/qtest/migration/compression-tests.c
+++ b/tests/qtest/migration/compression-tests.c
@@ -42,6 +42,20 @@ static void test_multifd_tcp_zstd(void)
     };
     test_precopy_common(&args);
 }
+
+static void test_multifd_postcopy_tcp_zstd(void)
+{
+    MigrateCommon args = {
+        .listen_uri = "defer",
+        .start = {
+            .caps[MIGRATION_CAPABILITY_MULTIFD] = true,
+            .caps[MIGRATION_CAPABILITY_POSTCOPY_RAM] = true,
+        },
+        .start_hook = migrate_hook_start_precopy_tcp_multifd_zstd,
+    };
+
+    test_precopy_common(&args);
+}
 #endif /* CONFIG_ZSTD */
 
 #ifdef CONFIG_QATZIP
@@ -184,6 +198,10 @@ void migration_test_add_compression(MigrationTestEnv *env)
 #ifdef CONFIG_ZSTD
     migration_test_add("/migration/multifd/tcp/plain/zstd",
                        test_multifd_tcp_zstd);
+    if (env->has_uffd) {
+        migration_test_add("/migration/multifd+postcopy/tcp/plain/zstd",
+                           test_multifd_postcopy_tcp_zstd);
+    }
 #endif
 
 #ifdef CONFIG_QATZIP
diff --git a/tests/qtest/migration/postcopy-tests.c 
b/tests/qtest/migration/postcopy-tests.c
index 483e3ff99f..eb637f94f7 100644
--- a/tests/qtest/migration/postcopy-tests.c
+++ b/tests/qtest/migration/postcopy-tests.c
@@ -94,6 +94,29 @@ static void 
migration_test_add_postcopy_smoke(MigrationTestEnv *env)
     }
 }
 
+static void test_multifd_postcopy(void)
+{
+    MigrateCommon args = {
+        .start = {
+            .caps[MIGRATION_CAPABILITY_MULTIFD] = true,
+        },
+    };
+
+    test_postcopy_common(&args);
+}
+
+static void test_multifd_postcopy_preempt(void)
+{
+    MigrateCommon args = {
+        .start = {
+            .caps[MIGRATION_CAPABILITY_MULTIFD] = true,
+            .caps[MIGRATION_CAPABILITY_POSTCOPY_PREEMPT] = true,
+        },
+    };
+
+    test_postcopy_common(&args);
+}
+
 void migration_test_add_postcopy(MigrationTestEnv *env)
 {
     migration_test_add_postcopy_smoke(env);
@@ -114,6 +137,10 @@ void migration_test_add_postcopy(MigrationTestEnv *env)
             "/migration/postcopy/recovery/double-failures/reconnect",
             test_postcopy_recovery_fail_reconnect);
 
+        migration_test_add("/migration/postcopy/multifd/plain",
+                           test_multifd_postcopy);
+        migration_test_add("/migration/postcopy/multifd/preempt/plain",
+                           test_multifd_postcopy_preempt);
         if (env->is_x86) {
             migration_test_add("/migration/postcopy/suspend",
                                test_postcopy_suspend);
diff --git a/tests/qtest/migration/precopy-tests.c 
b/tests/qtest/migration/precopy-tests.c
index 87b0a7e8ef..a575791c72 100644
--- a/tests/qtest/migration/precopy-tests.c
+++ b/tests/qtest/migration/precopy-tests.c
@@ -34,6 +34,7 @@
 #define DIRTYLIMIT_TOLERANCE_RANGE  25  /* MB/s */
 
 static char *tmpfs;
+static bool postcopy_ram = false;
 
 static void test_precopy_unix_plain(void)
 {
@@ -538,6 +539,11 @@ static void test_multifd_tcp_cancel(void)
     migrate_ensure_non_converge(from);
     migrate_prepare_for_dirty_mem(from);
 
+    if (postcopy_ram) {
+        migrate_set_capability(from, "postcopy-ram", true);
+        migrate_set_capability(to, "postcopy-ram", true);
+    }
+
     migrate_set_parameter_int(from, "multifd-channels", 16);
     migrate_set_parameter_int(to, "multifd-channels", 16);
 
@@ -579,6 +585,10 @@ static void test_multifd_tcp_cancel(void)
         return;
     }
 
+    if (postcopy_ram) {
+        migrate_set_capability(to2, "postcopy-ram", true);
+    }
+
     migrate_set_parameter_int(to2, "multifd-channels", 16);
 
     migrate_set_capability(to2, "multifd", true);
@@ -602,6 +612,13 @@ static void test_multifd_tcp_cancel(void)
     migrate_end(from, to2, true);
 }
 
+static void test_multifd_postcopy_tcp_cancel(void)
+{
+    postcopy_ram = true;
+    test_multifd_tcp_cancel();
+    postcopy_ram = false;
+}
+
 static void test_cancel_src_after_failed(QTestState *from, QTestState *to,
                                          const char *uri, const char *phase)
 {
@@ -1189,6 +1206,11 @@ static void 
migration_test_add_precopy_smoke(MigrationTestEnv *env)
                        test_multifd_tcp_uri_none);
     migration_test_add("/migration/multifd/tcp/plain/cancel",
                        test_multifd_tcp_cancel);
+    if (env->has_uffd) {
+        migration_test_add("/migration/multifd+postcopy/tcp/plain/cancel",
+                           test_multifd_postcopy_tcp_cancel);
+    }
+
 #ifdef CONFIG_RDMA
     migration_test_add("/migration/precopy/rdma/plain",
                        test_precopy_rdma_plain);
diff --git a/tests/qtest/migration/tls-tests.c 
b/tests/qtest/migration/tls-tests.c
index 72f44defbb..50a07a1c0f 100644
--- a/tests/qtest/migration/tls-tests.c
+++ b/tests/qtest/migration/tls-tests.c
@@ -395,6 +395,19 @@ static void test_postcopy_recovery_tls_psk(void)
     test_postcopy_recovery_common(&args);
 }
 
+static void test_multifd_postcopy_recovery_tls_psk(void)
+{
+    MigrateCommon args = {
+        .start_hook = migrate_hook_start_tls_psk_match,
+        .end_hook = migrate_hook_end_tls_psk,
+        .start = {
+            .caps[MIGRATION_CAPABILITY_MULTIFD] = true,
+        },
+    };
+
+    test_postcopy_recovery_common(&args);
+}
+
 /* This contains preempt+recovery+tls test altogether */
 static void test_postcopy_preempt_all(void)
 {
@@ -409,6 +422,20 @@ static void test_postcopy_preempt_all(void)
     test_postcopy_recovery_common(&args);
 }
 
+static void test_multifd_postcopy_preempt_recovery_tls_psk(void)
+{
+    MigrateCommon args = {
+        .start_hook = migrate_hook_start_tls_psk_match,
+        .end_hook = migrate_hook_end_tls_psk,
+        .start = {
+            .caps[MIGRATION_CAPABILITY_MULTIFD] = true,
+            .caps[MIGRATION_CAPABILITY_POSTCOPY_PREEMPT] = true,
+        },
+    };
+
+    test_postcopy_recovery_common(&args);
+}
+
 static void test_precopy_unix_tls_psk(void)
 {
     g_autofree char *uri = g_strdup_printf("unix:%s/migsocket", tmpfs);
@@ -657,6 +684,21 @@ static void test_multifd_tcp_tls_psk_mismatch(void)
     test_precopy_common(&args);
 }
 
+static void test_multifd_postcopy_tcp_tls_psk_match(void)
+{
+    MigrateCommon args = {
+        .start = {
+            .caps[MIGRATION_CAPABILITY_MULTIFD] = true,
+            .caps[MIGRATION_CAPABILITY_POSTCOPY_RAM] = true,
+        },
+        .listen_uri = "defer",
+        .start_hook = migrate_hook_start_multifd_tcp_tls_psk_match,
+        .end_hook = migrate_hook_end_tls_psk,
+    };
+
+    test_precopy_common(&args);
+}
+
 #ifdef CONFIG_TASN1
 static void test_multifd_tcp_tls_x509_default_host(void)
 {
@@ -774,6 +816,10 @@ void migration_test_add_tls(MigrationTestEnv *env)
                            test_postcopy_preempt_tls_psk);
         migration_test_add("/migration/postcopy/preempt/recovery/tls/psk",
                            test_postcopy_preempt_all);
+        migration_test_add("/migration/postcopy/multifd/recovery/tls/psk",
+                           test_multifd_postcopy_recovery_tls_psk);
+        
migration_test_add("/migration/postcopy/multifd/preempt/recovery/tls/psk",
+                           test_multifd_postcopy_preempt_recovery_tls_psk);
     }
 #ifdef CONFIG_TASN1
     migration_test_add("/migration/precopy/unix/tls/x509/default-host",
@@ -805,6 +851,10 @@ void migration_test_add_tls(MigrationTestEnv *env)
                        test_multifd_tcp_tls_psk_match);
     migration_test_add("/migration/multifd/tcp/tls/psk/mismatch",
                        test_multifd_tcp_tls_psk_mismatch);
+    if (env->has_uffd) {
+        migration_test_add("/migration/multifd+postcopy/tcp/tls/psk/match",
+                           test_multifd_postcopy_tcp_tls_psk_match);
+    }
 #ifdef CONFIG_TASN1
     migration_test_add("/migration/multifd/tcp/tls/x509/default-host",
                        test_multifd_tcp_tls_x509_default_host);
--
2.49.0


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