tests/9p: add Txattrcreate / Rxattrcreate test client functions
Add v9fs_txattrcreate() and v9fs_rxattrcreate() functions to the 9P test client for testing creation of xattrs with 9pfs server. Link: https://lore.kernel.org/qemu-devel/5dbc5061dab1f7829fffc40bf89d7ff443e4bcab.1781361555.git.qemu_oss@crudebyte.com Signed-off-by: Christian Schoenebeck <qemu_oss@crudebyte.com>
Christian Schoenebeck committed
Jun 13, 2026 at 16:55 UTC
7664feb26fef19caa4d72e07a9097fa625b593e5
3 files changed
+76
tests/qtest/libqos/virtio-9p-client.c
+45
@@ -243,6 +243,7 @@ static const char *rmessage_name(uint8_t id)
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id == P9_RREADDIR ? "RREADDIR" :
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id == P9_RREAD ? "RREAD" :
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id == P9_RCLUNK ? "RCLUNK" :
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+ id == P9_RXATTRCREATE ? "RXATTRCREATE" :
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"<unknown>";
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}
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@@ -1182,3 +1183,47 @@ void v9fs_rclunk(P9Req *req)
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v9fs_req_recv(req, P9_RCLUNK);
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v9fs_req_free(req);
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}
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+
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+/* size[4] Txattrcreate tag[2] fid[4] name[s] attr_size[8] flags[4] */
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+TXattrCreateRes v9fs_txattrcreate(TXattrCreateOpt opt)
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+{
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+ P9Req *req;
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+ uint32_t err;
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+
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+ g_assert(opt.client);
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+ g_assert(opt.name);
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+
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+ uint32_t body_size = 4 + 8 + 4;
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+ uint16_t string_size = v9fs_string_size(opt.name);
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+
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+ g_assert_cmpint(body_size, <=, UINT32_MAX - string_size);
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+ body_size += string_size;
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+
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+ req = v9fs_req_init(opt.client, body_size, P9_TXATTRCREATE, opt.tag);
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+ v9fs_uint32_write(req, opt.fid);
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+ v9fs_string_write(req, opt.name);
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+ v9fs_uint64_write(req, opt.size);
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+ v9fs_uint32_write(req, opt.flags);
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+ v9fs_req_send(req);
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+
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+ err = 0;
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+ if (!opt.requestOnly) {
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+ v9fs_req_wait_for_reply(req, NULL);
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+ if (opt.expectErr) {
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+ v9fs_rlerror(req, &err);
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+ g_assert_cmpint(err, ==, opt.expectErr);
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+ } else {
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+ v9fs_rxattrcreate(req);
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+ }
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+ req = NULL; /* request was freed */
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+ }
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+
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+ return (TXattrCreateRes) { .req = req, .err = err };
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+}
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+
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+/* size[4] Rxattrcreate tag[2] */
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+void v9fs_rxattrcreate(P9Req *req)
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+{
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+ v9fs_req_recv(req, P9_RXATTRCREATE);
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+ v9fs_req_free(req);
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+}
tests/qtest/libqos/virtio-9p-client.h
+30
@@ -524,6 +524,34 @@ typedef struct TClunkRes {
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P9Req *req;
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} TClunkRes;
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+/* options for 'Txattrcreate' 9p request */
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+typedef struct TXattrCreateOpt {
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+ /* 9P client being used (mandatory) */
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+ QVirtio9P *client;
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+ /* user supplied tag number being returned with response (optional) */
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+ uint16_t tag;
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+ /* file ID to convert to xattr fid (required) */
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+ uint32_t fid;
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+ /* name of the xattr (required) */
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+ const char *name;
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+ /* size of the xattr value (required) */
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+ uint64_t size;
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+ /* flags: P9_XATTR_CREATE or P9_XATTR_REPLACE (optional) */
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+ uint32_t flags;
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+ /* only send Txattrcreate request but not wait for a reply? (optional) */
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+ bool requestOnly;
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+ /* do we expect an Rlerror response, if yes which error code? (optional) */
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+ uint32_t expectErr;
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+} TXattrCreateOpt;
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+
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+/* result of 'Txattrcreate' 9p request */
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+typedef struct TXattrCreateRes {
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+ /* if requestOnly was set: request object for further processing */
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+ P9Req *req;
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+ /* error code if Rlerror received */
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+ uint32_t err;
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+} TXattrCreateRes;
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+
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void v9fs_set_allocator(QGuestAllocator *t_alloc);
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void v9fs_memwrite(P9Req *req, const void *addr, size_t len);
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void v9fs_memskip(P9Req *req, size_t len);
@@ -579,5 +607,7 @@ TReadRes v9fs_tread(TReadOpt opt);
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void v9fs_rread(P9Req *req, uint32_t *count, void *data);
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TClunkRes v9fs_tclunk(TClunkOpt opt);
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void v9fs_rclunk(P9Req *req);
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+TXattrCreateRes v9fs_txattrcreate(TXattrCreateOpt opt);
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+void v9fs_rxattrcreate(P9Req *req);
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#endif
tests/qtest/virtio-9p-test.c
+1
@@ -33,6 +33,7 @@
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#define tunlinkat(...) v9fs_tunlinkat((TunlinkatOpt) __VA_ARGS__)
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#define tread(...) v9fs_tread((TReadOpt) __VA_ARGS__)
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#define tclunk(...) v9fs_tclunk((TClunkOpt) __VA_ARGS__)
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+#define txattrcreate(...) v9fs_txattrcreate((TXattrCreateOpt) __VA_ARGS__)
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static void pci_config(void *obj, void *data, QGuestAllocator *t_alloc)
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{