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[v4,20/22] tests/qtest: implement stub for VHOST_USER_GET_CONFIG

Message ID 20220802095010.3330793-21-alex.bennee@linaro.org
State Superseded
Headers show
Series virtio-gpio and various virtio cleanups | expand

Commit Message

Alex Bennée Aug. 2, 2022, 9:50 a.m. UTC 
We don't implement the full solution because frankly none of the tests
need to at the moment. We may end up re-implementing libvhostuser in
the end.

Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
---
 tests/qtest/vhost-user-test.c | 13 +++++++++++++
 1 file changed, 13 insertions(+)
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Patch

diff --git a/tests/qtest/vhost-user-test.c b/tests/qtest/vhost-user-test.c
index 4af031c971..61980bfc6a 100644
--- a/tests/qtest/vhost-user-test.c
+++ b/tests/qtest/vhost-user-test.c
@@ -79,6 +79,8 @@  typedef enum VhostUserRequest {
     VHOST_USER_SET_PROTOCOL_FEATURES = 16,
     VHOST_USER_GET_QUEUE_NUM = 17,
     VHOST_USER_SET_VRING_ENABLE = 18,
+    VHOST_USER_GET_CONFIG = 24,
+    VHOST_USER_SET_CONFIG = 25,
     VHOST_USER_MAX
 } VhostUserRequest;
 
@@ -372,6 +374,17 @@  static void chr_read(void *opaque, const uint8_t *buf, int size)
         }
         break;
 
+    case VHOST_USER_GET_CONFIG:
+        /*
+         * Treat GET_CONFIG as a NOP and just reply and let the guest
+         * consider we have updated its memory. Tests currently don't
+         * require working configs.
+         */
+        msg.flags |= VHOST_USER_REPLY_MASK;
+        p = (uint8_t *) &msg;
+        qemu_chr_fe_write_all(chr, p, VHOST_USER_HDR_SIZE + msg.size);
+        break;
+
     case VHOST_USER_SET_PROTOCOL_FEATURES:
         /*
          * We did set VHOST_USER_F_PROTOCOL_FEATURES so its valid for