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tests/9p: merge v9fs_tversion() and do_version()
As with previous patches, unify functions v9fs_tversion() and do_version() into a single function v9fs_tversion() by using a declarative function arguments approach. Signed-off-by: Christian Schoenebeck <qemu_oss@crudebyte.com> Message-Id: <2d253491aaffd267ec295f056dda47456692cd0c.1664917004.git.qemu_oss@crudebyte.com>
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@ -291,21 +291,54 @@ void v9fs_rlerror(P9Req *req, uint32_t *err)
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}
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/* size[4] Tversion tag[2] msize[4] version[s] */
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P9Req *v9fs_tversion(QVirtio9P *v9p, uint32_t msize, const char *version,
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uint16_t tag)
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TVersionRes v9fs_tversion(TVersionOpt opt)
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{
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P9Req *req;
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uint32_t err;
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uint32_t body_size = 4;
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uint16_t string_size = v9fs_string_size(version);
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uint16_t string_size;
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uint16_t server_len;
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g_autofree char *server_version = NULL;
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g_assert(opt.client);
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if (!opt.msize) {
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opt.msize = P9_MAX_SIZE;
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}
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if (!opt.tag) {
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opt.tag = P9_NOTAG;
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}
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if (!opt.version) {
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opt.version = "9P2000.L";
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}
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string_size = v9fs_string_size(opt.version);
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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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req = v9fs_req_init(v9p, body_size, P9_TVERSION, tag);
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req = v9fs_req_init(opt.client, body_size, P9_TVERSION, opt.tag);
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v9fs_uint32_write(req, msize);
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v9fs_string_write(req, version);
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v9fs_uint32_write(req, opt.msize);
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v9fs_string_write(req, opt.version);
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v9fs_req_send(req);
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return req;
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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_rversion(req, &server_len, &server_version);
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g_assert_cmpmem(server_version, server_len,
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opt.version, strlen(opt.version));
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}
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req = NULL; /* request was freed */
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}
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return (TVersionRes) {
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.req = req,
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};
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}
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/* size[4] Rversion tag[2] msize[4] version[s] */
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@ -106,6 +106,28 @@ typedef struct TWalkRes {
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P9Req *req;
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} TWalkRes;
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/* options for 'Tversion' 9p request */
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typedef struct TVersionOpt {
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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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/* maximum message size that can be handled by client (optional) */
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uint32_t msize;
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/* protocol version (optional) */
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const char *version;
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/* only send Tversion 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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} TVersionOpt;
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/* result of 'Tversion' 9p request */
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typedef struct TVersionRes {
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/* if requestOnly was set: request object for further processing */
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P9Req *req;
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} TVersionRes;
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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);
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@ -127,8 +149,7 @@ void v9fs_req_wait_for_reply(P9Req *req, uint32_t *len);
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void v9fs_req_recv(P9Req *req, uint8_t id);
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void v9fs_req_free(P9Req *req);
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void v9fs_rlerror(P9Req *req, uint32_t *err);
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P9Req *v9fs_tversion(QVirtio9P *v9p, uint32_t msize, const char *version,
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uint16_t tag);
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TVersionRes v9fs_tversion(TVersionOpt);
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void v9fs_rversion(P9Req *req, uint16_t *len, char **version);
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P9Req *v9fs_tattach(QVirtio9P *v9p, uint32_t fid, uint32_t n_uname,
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uint16_t tag);
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@ -17,6 +17,7 @@
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#include "libqos/virtio-9p-client.h"
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#define twalk(...) v9fs_twalk((TWalkOpt) __VA_ARGS__)
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#define tversion(...) v9fs_tversion((TVersionOpt) __VA_ARGS__)
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static void pci_config(void *obj, void *data, QGuestAllocator *t_alloc)
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{
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@ -41,31 +42,17 @@ static inline bool is_same_qid(v9fs_qid a, v9fs_qid b)
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return a[0] == b[0] && memcmp(&a[5], &b[5], 8) == 0;
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}
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static void do_version(QVirtio9P *v9p)
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{
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const char *version = "9P2000.L";
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uint16_t server_len;
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g_autofree char *server_version = NULL;
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P9Req *req;
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req = v9fs_tversion(v9p, P9_MAX_SIZE, version, P9_NOTAG);
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v9fs_req_wait_for_reply(req, NULL);
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v9fs_rversion(req, &server_len, &server_version);
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g_assert_cmpmem(server_version, server_len, version, strlen(version));
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}
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static void fs_version(void *obj, void *data, QGuestAllocator *t_alloc)
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{
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v9fs_set_allocator(t_alloc);
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do_version(obj);
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tversion({ .client = obj });
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}
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static void do_attach_rqid(QVirtio9P *v9p, v9fs_qid *qid)
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{
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P9Req *req;
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do_version(v9p);
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tversion({ .client = v9p });
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req = v9fs_tattach(v9p, 0, getuid(), 0);
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v9fs_req_wait_for_reply(req, NULL);
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v9fs_rattach(req, qid);
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@ -328,7 +315,7 @@ static void fs_walk_none(void *obj, void *data, QGuestAllocator *t_alloc)
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P9Req *req;
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struct v9fs_attr attr;
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do_version(v9p);
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tversion({ .client = v9p });
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req = v9fs_tattach(v9p, 0, getuid(), 0);
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v9fs_req_wait_for_reply(req, NULL);
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v9fs_rattach(req, &root_qid);
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@ -357,7 +344,7 @@ static void fs_walk_dotdot(void *obj, void *data, QGuestAllocator *t_alloc)
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g_autofree v9fs_qid *wqid = NULL;
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P9Req *req;
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do_version(v9p);
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tversion({ .client = v9p });
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req = v9fs_tattach(v9p, 0, getuid(), 0);
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v9fs_req_wait_for_reply(req, NULL);
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v9fs_rattach(req, &root_qid);
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