*/
#include "qemu/osdep.h"
-#include "libqtest-single.h"
#include "qemu/module.h"
-#include "hw/9pfs/9p.h"
-#include "hw/9pfs/9p-synth.h"
-#include "libqos/virtio-9p.h"
-#include "libqos/qgraph.h"
-
-#define QVIRTIO_9P_TIMEOUT_US (10 * 1000 * 1000)
-static QGuestAllocator *alloc;
+#include "libqos/virtio-9p-client.h"
/*
* Used to auto generate new fids. Start with arbitrary high value to avoid
static void pci_config(void *obj, void *data, QGuestAllocator *t_alloc)
{
QVirtio9P *v9p = obj;
- alloc = t_alloc;
+ v9fs_set_allocator(t_alloc);
size_t tag_len = qvirtio_config_readw(v9p->vdev, 0);
g_autofree char *tag = NULL;
int i;
g_assert_cmpmem(tag, tag_len, MOUNT_TAG, tag_len);
}
-#define P9_MAX_SIZE 4096 /* Max size of a T-message or R-message */
-
-typedef struct {
- QTestState *qts;
- QVirtio9P *v9p;
- uint16_t tag;
- uint64_t t_msg;
- uint32_t t_size;
- uint64_t r_msg;
- /* No r_size, it is hardcoded to P9_MAX_SIZE */
- size_t t_off;
- size_t r_off;
- uint32_t free_head;
-} P9Req;
-
-static void v9fs_memwrite(P9Req *req, const void *addr, size_t len)
-{
- qtest_memwrite(req->qts, req->t_msg + req->t_off, addr, len);
- req->t_off += len;
-}
-
-static void v9fs_memskip(P9Req *req, size_t len)
-{
- req->r_off += len;
-}
-
-static void v9fs_memread(P9Req *req, void *addr, size_t len)
-{
- qtest_memread(req->qts, req->r_msg + req->r_off, addr, len);
- req->r_off += len;
-}
-
-static void v9fs_uint8_read(P9Req *req, uint8_t *val)
-{
- v9fs_memread(req, val, 1);
-}
-
-static void v9fs_uint16_write(P9Req *req, uint16_t val)
-{
- uint16_t le_val = cpu_to_le16(val);
-
- v9fs_memwrite(req, &le_val, 2);
-}
-
-static void v9fs_uint16_read(P9Req *req, uint16_t *val)
-{
- v9fs_memread(req, val, 2);
- le16_to_cpus(val);
-}
-
-static void v9fs_uint32_write(P9Req *req, uint32_t val)
-{
- uint32_t le_val = cpu_to_le32(val);
-
- v9fs_memwrite(req, &le_val, 4);
-}
-
-static void v9fs_uint64_write(P9Req *req, uint64_t val)
-{
- uint64_t le_val = cpu_to_le64(val);
-
- v9fs_memwrite(req, &le_val, 8);
-}
-
-static void v9fs_uint32_read(P9Req *req, uint32_t *val)
-{
- v9fs_memread(req, val, 4);
- le32_to_cpus(val);
-}
-
-static void v9fs_uint64_read(P9Req *req, uint64_t *val)
-{
- v9fs_memread(req, val, 8);
- le64_to_cpus(val);
-}
-
-/* len[2] string[len] */
-static uint16_t v9fs_string_size(const char *string)
-{
- size_t len = strlen(string);
-
- g_assert_cmpint(len, <=, UINT16_MAX - 2);
-
- return 2 + len;
-}
-
-static void v9fs_string_write(P9Req *req, const char *string)
-{
- int len = strlen(string);
-
- g_assert_cmpint(len, <=, UINT16_MAX);
-
- v9fs_uint16_write(req, (uint16_t) len);
- v9fs_memwrite(req, string, len);
-}
-
-static void v9fs_string_read(P9Req *req, uint16_t *len, char **string)
-{
- uint16_t local_len;
-
- v9fs_uint16_read(req, &local_len);
- if (len) {
- *len = local_len;
- }
- if (string) {
- *string = g_malloc(local_len + 1);
- v9fs_memread(req, *string, local_len);
- (*string)[local_len] = 0;
- } else {
- v9fs_memskip(req, local_len);
- }
-}
-
- typedef struct {
- uint32_t size;
- uint8_t id;
- uint16_t tag;
-} QEMU_PACKED P9Hdr;
-
-static P9Req *v9fs_req_init(QVirtio9P *v9p, uint32_t size, uint8_t id,
- uint16_t tag)
-{
- P9Req *req = g_new0(P9Req, 1);
- uint32_t total_size = 7; /* 9P header has well-known size of 7 bytes */
- P9Hdr hdr = {
- .id = id,
- .tag = cpu_to_le16(tag)
- };
-
- g_assert_cmpint(total_size, <=, UINT32_MAX - size);
- total_size += size;
- hdr.size = cpu_to_le32(total_size);
-
- g_assert_cmpint(total_size, <=, P9_MAX_SIZE);
-
- req->qts = global_qtest;
- req->v9p = v9p;
- req->t_size = total_size;
- req->t_msg = guest_alloc(alloc, req->t_size);
- v9fs_memwrite(req, &hdr, 7);
- req->tag = tag;
- return req;
-}
-
-static void v9fs_req_send(P9Req *req)
-{
- QVirtio9P *v9p = req->v9p;
-
- req->r_msg = guest_alloc(alloc, P9_MAX_SIZE);
- req->free_head = qvirtqueue_add(req->qts, v9p->vq, req->t_msg, req->t_size,
- false, true);
- qvirtqueue_add(req->qts, v9p->vq, req->r_msg, P9_MAX_SIZE, true, false);
- qvirtqueue_kick(req->qts, v9p->vdev, v9p->vq, req->free_head);
- req->t_off = 0;
-}
-
-static const char *rmessage_name(uint8_t id)
-{
- return
- id == P9_RLERROR ? "RLERROR" :
- id == P9_RVERSION ? "RVERSION" :
- id == P9_RATTACH ? "RATTACH" :
- id == P9_RWALK ? "RWALK" :
- id == P9_RLOPEN ? "RLOPEN" :
- id == P9_RWRITE ? "RWRITE" :
- id == P9_RMKDIR ? "RMKDIR" :
- id == P9_RLCREATE ? "RLCREATE" :
- id == P9_RSYMLINK ? "RSYMLINK" :
- id == P9_RLINK ? "RLINK" :
- id == P9_RUNLINKAT ? "RUNLINKAT" :
- id == P9_RFLUSH ? "RFLUSH" :
- id == P9_RREADDIR ? "READDIR" :
- "<unknown>";
-}
-
-static void v9fs_req_wait_for_reply(P9Req *req, uint32_t *len)
-{
- QVirtio9P *v9p = req->v9p;
-
- qvirtio_wait_used_elem(req->qts, v9p->vdev, v9p->vq, req->free_head, len,
- QVIRTIO_9P_TIMEOUT_US);
-}
-
-static void v9fs_req_recv(P9Req *req, uint8_t id)
-{
- P9Hdr hdr;
-
- v9fs_memread(req, &hdr, 7);
- hdr.size = ldl_le_p(&hdr.size);
- hdr.tag = lduw_le_p(&hdr.tag);
-
- g_assert_cmpint(hdr.size, >=, 7);
- g_assert_cmpint(hdr.size, <=, P9_MAX_SIZE);
- g_assert_cmpint(hdr.tag, ==, req->tag);
-
- if (hdr.id != id) {
- g_printerr("Received response %d (%s) instead of %d (%s)\n",
- hdr.id, rmessage_name(hdr.id), id, rmessage_name(id));
-
- if (hdr.id == P9_RLERROR) {
- uint32_t err;
- v9fs_uint32_read(req, &err);
- g_printerr("Rlerror has errno %d (%s)\n", err, strerror(err));
- }
- }
- g_assert_cmpint(hdr.id, ==, id);
-}
-
-static void v9fs_req_free(P9Req *req)
-{
- guest_free(alloc, req->t_msg);
- guest_free(alloc, req->r_msg);
- g_free(req);
-}
-
-/* size[4] Rlerror tag[2] ecode[4] */
-static void v9fs_rlerror(P9Req *req, uint32_t *err)
-{
- v9fs_req_recv(req, P9_RLERROR);
- v9fs_uint32_read(req, err);
- v9fs_req_free(req);
-}
-
-/* size[4] Tversion tag[2] msize[4] version[s] */
-static P9Req *v9fs_tversion(QVirtio9P *v9p, uint32_t msize, const char *version,
- uint16_t tag)
-{
- P9Req *req;
- uint32_t body_size = 4;
- uint16_t string_size = v9fs_string_size(version);
-
- g_assert_cmpint(body_size, <=, UINT32_MAX - string_size);
- body_size += string_size;
- req = v9fs_req_init(v9p, body_size, P9_TVERSION, tag);
-
- v9fs_uint32_write(req, msize);
- v9fs_string_write(req, version);
- v9fs_req_send(req);
- return req;
-}
-
-/* size[4] Rversion tag[2] msize[4] version[s] */
-static void v9fs_rversion(P9Req *req, uint16_t *len, char **version)
-{
- uint32_t msize;
-
- v9fs_req_recv(req, P9_RVERSION);
- v9fs_uint32_read(req, &msize);
-
- g_assert_cmpint(msize, ==, P9_MAX_SIZE);
-
- if (len || version) {
- v9fs_string_read(req, len, version);
- }
-
- v9fs_req_free(req);
-}
-
-/* size[4] Tattach tag[2] fid[4] afid[4] uname[s] aname[s] n_uname[4] */
-static P9Req *v9fs_tattach(QVirtio9P *v9p, uint32_t fid, uint32_t n_uname,
- uint16_t tag)
-{
- const char *uname = ""; /* ignored by QEMU */
- const char *aname = ""; /* ignored by QEMU */
- P9Req *req = v9fs_req_init(v9p, 4 + 4 + 2 + 2 + 4, P9_TATTACH, tag);
-
- v9fs_uint32_write(req, fid);
- v9fs_uint32_write(req, P9_NOFID);
- v9fs_string_write(req, uname);
- v9fs_string_write(req, aname);
- v9fs_uint32_write(req, n_uname);
- v9fs_req_send(req);
- return req;
-}
-
-typedef char v9fs_qid[13];
-
-/* size[4] Rattach tag[2] qid[13] */
-static void v9fs_rattach(P9Req *req, v9fs_qid *qid)
-{
- v9fs_req_recv(req, P9_RATTACH);
- if (qid) {
- v9fs_memread(req, qid, 13);
- }
- v9fs_req_free(req);
-}
-
-/* size[4] Twalk tag[2] fid[4] newfid[4] nwname[2] nwname*(wname[s]) */
-static P9Req *v9fs_twalk(QVirtio9P *v9p, uint32_t fid, uint32_t newfid,
- uint16_t nwname, char *const wnames[], uint16_t tag)
-{
- P9Req *req;
- int i;
- uint32_t body_size = 4 + 4 + 2;
-
- for (i = 0; i < nwname; i++) {
- uint16_t wname_size = v9fs_string_size(wnames[i]);
-
- g_assert_cmpint(body_size, <=, UINT32_MAX - wname_size);
- body_size += wname_size;
- }
- req = v9fs_req_init(v9p, body_size, P9_TWALK, tag);
- v9fs_uint32_write(req, fid);
- v9fs_uint32_write(req, newfid);
- v9fs_uint16_write(req, nwname);
- for (i = 0; i < nwname; i++) {
- v9fs_string_write(req, wnames[i]);
- }
- v9fs_req_send(req);
- return req;
-}
-
-/* size[4] Rwalk tag[2] nwqid[2] nwqid*(wqid[13]) */
-static void v9fs_rwalk(P9Req *req, uint16_t *nwqid, v9fs_qid **wqid)
-{
- uint16_t local_nwqid;
-
- v9fs_req_recv(req, P9_RWALK);
- v9fs_uint16_read(req, &local_nwqid);
- if (nwqid) {
- *nwqid = local_nwqid;
- }
- if (wqid) {
- *wqid = g_malloc(local_nwqid * 13);
- v9fs_memread(req, *wqid, local_nwqid * 13);
- }
- v9fs_req_free(req);
-}
-
-/* size[4] Treaddir tag[2] fid[4] offset[8] count[4] */
-static P9Req *v9fs_treaddir(QVirtio9P *v9p, uint32_t fid, uint64_t offset,
- uint32_t count, uint16_t tag)
-{
- P9Req *req;
-
- req = v9fs_req_init(v9p, 4 + 8 + 4, P9_TREADDIR, tag);
- v9fs_uint32_write(req, fid);
- v9fs_uint64_write(req, offset);
- v9fs_uint32_write(req, count);
- v9fs_req_send(req);
- return req;
-}
-
-struct V9fsDirent {
- v9fs_qid qid;
- uint64_t offset;
- uint8_t type;
- char *name;
- struct V9fsDirent *next;
-};
-
-/* size[4] Rreaddir tag[2] count[4] data[count] */
-static void v9fs_rreaddir(P9Req *req, uint32_t *count, uint32_t *nentries,
- struct V9fsDirent **entries)
-{
- uint32_t local_count;
- struct V9fsDirent *e = NULL;
- uint16_t slen;
- uint32_t n = 0;
-
- v9fs_req_recv(req, P9_RREADDIR);
- v9fs_uint32_read(req, &local_count);
-
- if (count) {
- *count = local_count;
- }
-
- for (int32_t togo = (int32_t)local_count;
- togo >= 13 + 8 + 1 + 2;
- togo -= 13 + 8 + 1 + 2 + slen, ++n)
- {
- if (!e) {
- e = g_malloc(sizeof(struct V9fsDirent));
- if (entries) {
- *entries = e;
- }
- } else {
- e = e->next = g_malloc(sizeof(struct V9fsDirent));
- }
- e->next = NULL;
- /* qid[13] offset[8] type[1] name[s] */
- v9fs_memread(req, &e->qid, 13);
- v9fs_uint64_read(req, &e->offset);
- v9fs_uint8_read(req, &e->type);
- v9fs_string_read(req, &slen, &e->name);
- }
-
- if (nentries) {
- *nentries = n;
- }
-
- v9fs_req_free(req);
-}
-
-static void v9fs_free_dirents(struct V9fsDirent *e)
-{
- struct V9fsDirent *next = NULL;
-
- for (; e; e = next) {
- next = e->next;
- g_free(e->name);
- g_free(e);
- }
-}
-
-/* size[4] Tlopen tag[2] fid[4] flags[4] */
-static P9Req *v9fs_tlopen(QVirtio9P *v9p, uint32_t fid, uint32_t flags,
- uint16_t tag)
-{
- P9Req *req;
-
- req = v9fs_req_init(v9p, 4 + 4, P9_TLOPEN, tag);
- v9fs_uint32_write(req, fid);
- v9fs_uint32_write(req, flags);
- v9fs_req_send(req);
- return req;
-}
-
-/* size[4] Rlopen tag[2] qid[13] iounit[4] */
-static void v9fs_rlopen(P9Req *req, v9fs_qid *qid, uint32_t *iounit)
-{
- v9fs_req_recv(req, P9_RLOPEN);
- if (qid) {
- v9fs_memread(req, qid, 13);
- } else {
- v9fs_memskip(req, 13);
- }
- if (iounit) {
- v9fs_uint32_read(req, iounit);
- }
- v9fs_req_free(req);
-}
-
-/* size[4] Twrite tag[2] fid[4] offset[8] count[4] data[count] */
-static P9Req *v9fs_twrite(QVirtio9P *v9p, uint32_t fid, uint64_t offset,
- uint32_t count, const void *data, uint16_t tag)
-{
- P9Req *req;
- uint32_t body_size = 4 + 8 + 4;
-
- g_assert_cmpint(body_size, <=, UINT32_MAX - count);
- body_size += count;
- req = v9fs_req_init(v9p, body_size, P9_TWRITE, tag);
- v9fs_uint32_write(req, fid);
- v9fs_uint64_write(req, offset);
- v9fs_uint32_write(req, count);
- v9fs_memwrite(req, data, count);
- v9fs_req_send(req);
- return req;
-}
-
-/* size[4] Rwrite tag[2] count[4] */
-static void v9fs_rwrite(P9Req *req, uint32_t *count)
-{
- v9fs_req_recv(req, P9_RWRITE);
- if (count) {
- v9fs_uint32_read(req, count);
- }
- v9fs_req_free(req);
-}
-
-/* size[4] Tflush tag[2] oldtag[2] */
-static P9Req *v9fs_tflush(QVirtio9P *v9p, uint16_t oldtag, uint16_t tag)
+static inline bool is_same_qid(v9fs_qid a, v9fs_qid b)
{
- P9Req *req;
-
- req = v9fs_req_init(v9p, 2, P9_TFLUSH, tag);
- v9fs_uint32_write(req, oldtag);
- v9fs_req_send(req);
- return req;
-}
-
-/* size[4] Rflush tag[2] */
-static void v9fs_rflush(P9Req *req)
-{
- v9fs_req_recv(req, P9_RFLUSH);
- v9fs_req_free(req);
+ /* don't compare QID version for checking for file ID equalness */
+ return a[0] == b[0] && memcmp(&a[5], &b[5], 8) == 0;
}
static void do_version(QVirtio9P *v9p)
g_assert_cmpmem(server_version, server_len, version, strlen(version));
}
+/*
+ * utility function: walk to requested dir and return fid for that dir and
+ * the QIDs of server response
+ */
+static uint32_t do_walk_rqids(QVirtio9P *v9p, const char *path, uint16_t *nwqid,
+ v9fs_qid **wqid)
+{
+ char **wnames;
+ P9Req *req;
+ const uint32_t fid = genfid();
+
+ int nwnames = split(path, "/", &wnames);
+
+ req = v9fs_twalk(v9p, 0, fid, nwnames, wnames, 0);
+ v9fs_req_wait_for_reply(req, NULL);
+ v9fs_rwalk(req, nwqid, wqid);
+
+ split_free(&wnames);
+ return fid;
+}
+
/* utility function: walk to requested dir and return fid for that dir */
static uint32_t do_walk(QVirtio9P *v9p, const char *path)
+{
+ return do_walk_rqids(v9p, path, NULL, NULL);
+}
+
+/* utility function: walk to requested dir and expect passed error response */
+static void do_walk_expect_error(QVirtio9P *v9p, const char *path, uint32_t err)
{
char **wnames;
P9Req *req;
+ uint32_t _err;
const uint32_t fid = genfid();
int nwnames = split(path, "/", &wnames);
req = v9fs_twalk(v9p, 0, fid, nwnames, wnames, 0);
v9fs_req_wait_for_reply(req, NULL);
- v9fs_rwalk(req, NULL, NULL);
+ v9fs_rlerror(req, &_err);
+
+ g_assert_cmpint(_err, ==, err);
split_free(&wnames);
- return fid;
}
static void fs_version(void *obj, void *data, QGuestAllocator *t_alloc)
{
- alloc = t_alloc;
+ v9fs_set_allocator(t_alloc);
do_version(obj);
}
-static void do_attach(QVirtio9P *v9p)
+static void do_attach_rqid(QVirtio9P *v9p, v9fs_qid *qid)
{
P9Req *req;
do_version(v9p);
req = v9fs_tattach(v9p, 0, getuid(), 0);
v9fs_req_wait_for_reply(req, NULL);
- v9fs_rattach(req, NULL);
+ v9fs_rattach(req, qid);
+}
+
+static void do_attach(QVirtio9P *v9p)
+{
+ do_attach_rqid(v9p, NULL);
}
static void fs_attach(void *obj, void *data, QGuestAllocator *t_alloc)
{
- alloc = t_alloc;
+ v9fs_set_allocator(t_alloc);
do_attach(obj);
}
static void fs_walk(void *obj, void *data, QGuestAllocator *t_alloc)
{
QVirtio9P *v9p = obj;
- alloc = t_alloc;
+ v9fs_set_allocator(t_alloc);
char *wnames[P9_MAXWELEM];
uint16_t nwqid;
g_autofree v9fs_qid *wqid = NULL;
return false;
}
-/* size[4] Tmkdir tag[2] dfid[4] name[s] mode[4] gid[4] */
-static P9Req *v9fs_tmkdir(QVirtio9P *v9p, uint32_t dfid, const char *name,
- uint32_t mode, uint32_t gid, uint16_t tag)
-{
- P9Req *req;
-
- uint32_t body_size = 4 + 4 + 4;
- uint16_t string_size = v9fs_string_size(name);
-
- g_assert_cmpint(body_size, <=, UINT32_MAX - string_size);
- body_size += string_size;
-
- req = v9fs_req_init(v9p, body_size, P9_TMKDIR, tag);
- v9fs_uint32_write(req, dfid);
- v9fs_string_write(req, name);
- v9fs_uint32_write(req, mode);
- v9fs_uint32_write(req, gid);
- v9fs_req_send(req);
- return req;
-}
-
-/* size[4] Rmkdir tag[2] qid[13] */
-static void v9fs_rmkdir(P9Req *req, v9fs_qid *qid)
-{
- v9fs_req_recv(req, P9_RMKDIR);
- if (qid) {
- v9fs_memread(req, qid, 13);
- } else {
- v9fs_memskip(req, 13);
- }
- v9fs_req_free(req);
-}
-
-/* size[4] Tlcreate tag[2] fid[4] name[s] flags[4] mode[4] gid[4] */
-static P9Req *v9fs_tlcreate(QVirtio9P *v9p, uint32_t fid, const char *name,
- uint32_t flags, uint32_t mode, uint32_t gid,
- uint16_t tag)
-{
- P9Req *req;
-
- uint32_t body_size = 4 + 4 + 4 + 4;
- uint16_t string_size = v9fs_string_size(name);
-
- g_assert_cmpint(body_size, <=, UINT32_MAX - string_size);
- body_size += string_size;
-
- req = v9fs_req_init(v9p, body_size, P9_TLCREATE, tag);
- v9fs_uint32_write(req, fid);
- v9fs_string_write(req, name);
- v9fs_uint32_write(req, flags);
- v9fs_uint32_write(req, mode);
- v9fs_uint32_write(req, gid);
- v9fs_req_send(req);
- return req;
-}
-
-/* size[4] Rlcreate tag[2] qid[13] iounit[4] */
-static void v9fs_rlcreate(P9Req *req, v9fs_qid *qid, uint32_t *iounit)
-{
- v9fs_req_recv(req, P9_RLCREATE);
- if (qid) {
- v9fs_memread(req, qid, 13);
- } else {
- v9fs_memskip(req, 13);
- }
- if (iounit) {
- v9fs_uint32_read(req, iounit);
- }
- v9fs_req_free(req);
-}
-
-/* size[4] Tsymlink tag[2] fid[4] name[s] symtgt[s] gid[4] */
-static P9Req *v9fs_tsymlink(QVirtio9P *v9p, uint32_t fid, const char *name,
- const char *symtgt, uint32_t gid, uint16_t tag)
-{
- P9Req *req;
-
- uint32_t body_size = 4 + 4;
- uint16_t string_size = v9fs_string_size(name) + v9fs_string_size(symtgt);
-
- g_assert_cmpint(body_size, <=, UINT32_MAX - string_size);
- body_size += string_size;
-
- req = v9fs_req_init(v9p, body_size, P9_TSYMLINK, tag);
- v9fs_uint32_write(req, fid);
- v9fs_string_write(req, name);
- v9fs_string_write(req, symtgt);
- v9fs_uint32_write(req, gid);
- v9fs_req_send(req);
- return req;
-}
-
-/* size[4] Rsymlink tag[2] qid[13] */
-static void v9fs_rsymlink(P9Req *req, v9fs_qid *qid)
-{
- v9fs_req_recv(req, P9_RSYMLINK);
- if (qid) {
- v9fs_memread(req, qid, 13);
- } else {
- v9fs_memskip(req, 13);
- }
- v9fs_req_free(req);
-}
-
-/* size[4] Tlink tag[2] dfid[4] fid[4] name[s] */
-static P9Req *v9fs_tlink(QVirtio9P *v9p, uint32_t dfid, uint32_t fid,
- const char *name, uint16_t tag)
-{
- P9Req *req;
-
- uint32_t body_size = 4 + 4;
- uint16_t string_size = v9fs_string_size(name);
-
- g_assert_cmpint(body_size, <=, UINT32_MAX - string_size);
- body_size += string_size;
-
- req = v9fs_req_init(v9p, body_size, P9_TLINK, tag);
- v9fs_uint32_write(req, dfid);
- v9fs_uint32_write(req, fid);
- v9fs_string_write(req, name);
- v9fs_req_send(req);
- return req;
-}
-
-/* size[4] Rlink tag[2] */
-static void v9fs_rlink(P9Req *req)
-{
- v9fs_req_recv(req, P9_RLINK);
- v9fs_req_free(req);
-}
-
-/* size[4] Tunlinkat tag[2] dirfd[4] name[s] flags[4] */
-static P9Req *v9fs_tunlinkat(QVirtio9P *v9p, uint32_t dirfd, const char *name,
- uint32_t flags, uint16_t tag)
-{
- P9Req *req;
-
- uint32_t body_size = 4 + 4;
- uint16_t string_size = v9fs_string_size(name);
-
- g_assert_cmpint(body_size, <=, UINT32_MAX - string_size);
- body_size += string_size;
-
- req = v9fs_req_init(v9p, body_size, P9_TUNLINKAT, tag);
- v9fs_uint32_write(req, dirfd);
- v9fs_string_write(req, name);
- v9fs_uint32_write(req, flags);
- v9fs_req_send(req);
- return req;
-}
-
-/* size[4] Runlinkat tag[2] */
-static void v9fs_runlinkat(P9Req *req)
-{
- v9fs_req_recv(req, P9_RUNLINKAT);
- v9fs_req_free(req);
-}
-
/* basic readdir test where reply fits into a single response message */
static void fs_readdir(void *obj, void *data, QGuestAllocator *t_alloc)
{
QVirtio9P *v9p = obj;
- alloc = t_alloc;
+ v9fs_set_allocator(t_alloc);
char *const wnames[] = { g_strdup(QTEST_V9FS_SYNTH_READDIR_DIR) };
uint16_t nqid;
v9fs_qid qid;
static void fs_walk_no_slash(void *obj, void *data, QGuestAllocator *t_alloc)
{
QVirtio9P *v9p = obj;
- alloc = t_alloc;
+ v9fs_set_allocator(t_alloc);
char *const wnames[] = { g_strdup(" /") };
P9Req *req;
uint32_t err;
g_free(wnames[0]);
}
+static void fs_walk_nonexistent(void *obj, void *data, QGuestAllocator *t_alloc)
+{
+ QVirtio9P *v9p = obj;
+ v9fs_set_allocator(t_alloc);
+
+ do_attach(v9p);
+ /*
+ * The 9p2000 protocol spec says: "If the first element cannot be walked
+ * for any reason, Rerror is returned."
+ */
+ do_walk_expect_error(v9p, "non-existent", ENOENT);
+}
+
+static void fs_walk_2nd_nonexistent(void *obj, void *data,
+ QGuestAllocator *t_alloc)
+{
+ QVirtio9P *v9p = obj;
+ v9fs_set_allocator(t_alloc);
+ v9fs_qid root_qid;
+ uint16_t nwqid;
+ uint32_t fid, err;
+ P9Req *req;
+ g_autofree v9fs_qid *wqid = NULL;
+ g_autofree char *path = g_strdup_printf(
+ QTEST_V9FS_SYNTH_WALK_FILE "/non-existent", 0
+ );
+
+ do_attach_rqid(v9p, &root_qid);
+ fid = do_walk_rqids(v9p, path, &nwqid, &wqid);
+ /*
+ * The 9p2000 protocol spec says: "nwqid is therefore either nwname or the
+ * index of the first elementwise walk that failed."
+ */
+ assert(nwqid == 1);
+
+ /* returned QID wqid[0] is file ID of 1st subdir */
+ g_assert(wqid && wqid[0] && !is_same_qid(root_qid, wqid[0]));
+
+ /* expect fid being unaffected by walk above */
+ req = v9fs_tgetattr(v9p, fid, P9_GETATTR_BASIC, 0);
+ v9fs_req_wait_for_reply(req, NULL);
+ v9fs_rlerror(req, &err);
+
+ g_assert_cmpint(err, ==, ENOENT);
+}
+
+static void fs_walk_none(void *obj, void *data, QGuestAllocator *t_alloc)
+{
+ QVirtio9P *v9p = obj;
+ v9fs_set_allocator(t_alloc);
+ v9fs_qid root_qid;
+ g_autofree v9fs_qid *wqid = NULL;
+ P9Req *req;
+ struct v9fs_attr attr;
+
+ do_version(v9p);
+ req = v9fs_tattach(v9p, 0, getuid(), 0);
+ v9fs_req_wait_for_reply(req, NULL);
+ v9fs_rattach(req, &root_qid);
+
+ req = v9fs_twalk(v9p, 0, 1, 0, NULL, 0);
+ v9fs_req_wait_for_reply(req, NULL);
+ v9fs_rwalk(req, NULL, &wqid);
+
+ /* special case: no QID is returned if nwname=0 was sent */
+ g_assert(wqid == NULL);
+
+ req = v9fs_tgetattr(v9p, 1, P9_GETATTR_BASIC, 0);
+ v9fs_req_wait_for_reply(req, NULL);
+ v9fs_rgetattr(req, &attr);
+
+ g_assert(is_same_qid(root_qid, attr.qid));
+}
+
static void fs_walk_dotdot(void *obj, void *data, QGuestAllocator *t_alloc)
{
QVirtio9P *v9p = obj;
- alloc = t_alloc;
+ v9fs_set_allocator(t_alloc);
char *const wnames[] = { g_strdup("..") };
v9fs_qid root_qid;
g_autofree v9fs_qid *wqid = NULL;
static void fs_lopen(void *obj, void *data, QGuestAllocator *t_alloc)
{
QVirtio9P *v9p = obj;
- alloc = t_alloc;
+ v9fs_set_allocator(t_alloc);
char *const wnames[] = { g_strdup(QTEST_V9FS_SYNTH_LOPEN_FILE) };
P9Req *req;
static void fs_write(void *obj, void *data, QGuestAllocator *t_alloc)
{
QVirtio9P *v9p = obj;
- alloc = t_alloc;
+ v9fs_set_allocator(t_alloc);
static const uint32_t write_count = P9_MAX_SIZE / 2;
char *const wnames[] = { g_strdup(QTEST_V9FS_SYNTH_WRITE_FILE) };
g_autofree char *buf = g_malloc0(write_count);
static void fs_flush_success(void *obj, void *data, QGuestAllocator *t_alloc)
{
QVirtio9P *v9p = obj;
- alloc = t_alloc;
+ v9fs_set_allocator(t_alloc);
char *const wnames[] = { g_strdup(QTEST_V9FS_SYNTH_FLUSH_FILE) };
P9Req *req, *flush_req;
uint32_t reply_len;
static void fs_flush_ignored(void *obj, void *data, QGuestAllocator *t_alloc)
{
QVirtio9P *v9p = obj;
- alloc = t_alloc;
+ v9fs_set_allocator(t_alloc);
char *const wnames[] = { g_strdup(QTEST_V9FS_SYNTH_FLUSH_FILE) };
P9Req *req, *flush_req;
uint32_t count;
static void fs_readdir_split_128(void *obj, void *data,
QGuestAllocator *t_alloc)
{
- alloc = t_alloc;
+ v9fs_set_allocator(t_alloc);
do_readdir_split(obj, 128);
}
static void fs_readdir_split_256(void *obj, void *data,
QGuestAllocator *t_alloc)
{
- alloc = t_alloc;
+ v9fs_set_allocator(t_alloc);
do_readdir_split(obj, 256);
}
static void fs_readdir_split_512(void *obj, void *data,
QGuestAllocator *t_alloc)
{
- alloc = t_alloc;
+ v9fs_set_allocator(t_alloc);
do_readdir_split(obj, 512);
}
static void fs_create_dir(void *obj, void *data, QGuestAllocator *t_alloc)
{
QVirtio9P *v9p = obj;
- alloc = t_alloc;
+ v9fs_set_allocator(t_alloc);
struct stat st;
g_autofree char *root_path = virtio_9p_test_path("");
g_autofree char *new_dir = virtio_9p_test_path("01");
static void fs_unlinkat_dir(void *obj, void *data, QGuestAllocator *t_alloc)
{
QVirtio9P *v9p = obj;
- alloc = t_alloc;
+ v9fs_set_allocator(t_alloc);
struct stat st;
g_autofree char *root_path = virtio_9p_test_path("");
g_autofree char *new_dir = virtio_9p_test_path("02");
static void fs_create_file(void *obj, void *data, QGuestAllocator *t_alloc)
{
QVirtio9P *v9p = obj;
- alloc = t_alloc;
+ v9fs_set_allocator(t_alloc);
struct stat st;
g_autofree char *new_file = virtio_9p_test_path("03/1st_file");
static void fs_unlinkat_file(void *obj, void *data, QGuestAllocator *t_alloc)
{
QVirtio9P *v9p = obj;
- alloc = t_alloc;
+ v9fs_set_allocator(t_alloc);
struct stat st;
g_autofree char *new_file = virtio_9p_test_path("04/doa_file");
static void fs_symlink_file(void *obj, void *data, QGuestAllocator *t_alloc)
{
QVirtio9P *v9p = obj;
- alloc = t_alloc;
+ v9fs_set_allocator(t_alloc);
struct stat st;
g_autofree char *real_file = virtio_9p_test_path("05/real_file");
g_autofree char *symlink_file = virtio_9p_test_path("05/symlink_file");
QGuestAllocator *t_alloc)
{
QVirtio9P *v9p = obj;
- alloc = t_alloc;
+ v9fs_set_allocator(t_alloc);
struct stat st;
g_autofree char *real_file = virtio_9p_test_path("06/real_file");
g_autofree char *symlink_file = virtio_9p_test_path("06/symlink_file");
static void fs_hardlink_file(void *obj, void *data, QGuestAllocator *t_alloc)
{
QVirtio9P *v9p = obj;
- alloc = t_alloc;
+ v9fs_set_allocator(t_alloc);
struct stat st_real, st_link;
g_autofree char *real_file = virtio_9p_test_path("07/real_file");
g_autofree char *hardlink_file = virtio_9p_test_path("07/hardlink_file");
QGuestAllocator *t_alloc)
{
QVirtio9P *v9p = obj;
- alloc = t_alloc;
+ v9fs_set_allocator(t_alloc);
struct stat st_real, st_link;
g_autofree char *real_file = virtio_9p_test_path("08/real_file");
g_autofree char *hardlink_file = virtio_9p_test_path("08/hardlink_file");
qos_add_test("synth/walk/basic", "virtio-9p", fs_walk, &opts);
qos_add_test("synth/walk/no_slash", "virtio-9p", fs_walk_no_slash,
&opts);
+ qos_add_test("synth/walk/none", "virtio-9p", fs_walk_none, &opts);
qos_add_test("synth/walk/dotdot_from_root", "virtio-9p",
fs_walk_dotdot, &opts);
+ qos_add_test("synth/walk/non_existent", "virtio-9p", fs_walk_nonexistent,
+ &opts);
+ qos_add_test("synth/walk/2nd_non_existent", "virtio-9p",
+ fs_walk_2nd_nonexistent, &opts);
qos_add_test("synth/lopen/basic", "virtio-9p", fs_lopen, &opts);
qos_add_test("synth/write/basic", "virtio-9p", fs_write, &opts);
qos_add_test("synth/flush/success", "virtio-9p", fs_flush_success,
projects / mirror_qemu.git / blobdiff