]> git.proxmox.com Git - mirror_qemu.git/blobdiff - tests/virtio-9p-test.c
Merge tag 'pull-maintainer-may24-160524-2' of https://gitlab.com/stsquad/qemu into...
[mirror_qemu.git] / tests / virtio-9p-test.c
diff --git a/tests/virtio-9p-test.c b/tests/virtio-9p-test.c
deleted file mode 100644 (file)
index 54edcb9..0000000
+++ /dev/null
@@ -1,724 +0,0 @@
-/*
- * QTest testcase for VirtIO 9P
- *
- * Copyright (c) 2014 SUSE LINUX Products GmbH
- *
- * This work is licensed under the terms of the GNU GPL, version 2 or later.
- * See the COPYING file in the top-level directory.
- */
-
-#include "qemu/osdep.h"
-#include "libqtest.h"
-#include "qemu-common.h"
-#include "libqos/libqos-pc.h"
-#include "libqos/libqos-spapr.h"
-#include "libqos/virtio.h"
-#include "libqos/virtio-pci.h"
-#include "standard-headers/linux/virtio_ids.h"
-#include "standard-headers/linux/virtio_pci.h"
-#include "hw/9pfs/9p.h"
-#include "hw/9pfs/9p-synth.h"
-
-#define QVIRTIO_9P_TIMEOUT_US (10 * 1000 * 1000)
-
-static const char mount_tag[] = "qtest";
-
-typedef struct {
-    QVirtioDevice *dev;
-    QOSState *qs;
-    QVirtQueue *vq;
-} QVirtIO9P;
-
-static QVirtIO9P *qvirtio_9p_start(const char *driver)
-{
-    const char *arch = qtest_get_arch();
-    const char *cmd = "-fsdev synth,id=fsdev0 "
-                      "-device %s,fsdev=fsdev0,mount_tag=%s";
-    QVirtIO9P *v9p = g_new0(QVirtIO9P, 1);
-
-    if (strcmp(arch, "i386") == 0 || strcmp(arch, "x86_64") == 0) {
-        v9p->qs = qtest_pc_boot(cmd, driver, mount_tag);
-    } else if (strcmp(arch, "ppc64") == 0) {
-        v9p->qs = qtest_spapr_boot(cmd, driver, mount_tag);
-    } else {
-        g_printerr("virtio-9p tests are only available on x86 or ppc64\n");
-        exit(EXIT_FAILURE);
-    }
-
-    return v9p;
-}
-
-static void qvirtio_9p_stop(QVirtIO9P *v9p)
-{
-    qtest_shutdown(v9p->qs);
-    g_free(v9p);
-}
-
-static QVirtIO9P *qvirtio_9p_pci_start(void)
-{
-    QVirtIO9P *v9p = qvirtio_9p_start("virtio-9p-pci");
-    QVirtioPCIDevice *dev = qvirtio_pci_device_find(v9p->qs->pcibus,
-                                                    VIRTIO_ID_9P);
-    g_assert_nonnull(dev);
-    g_assert_cmphex(dev->vdev.device_type, ==, VIRTIO_ID_9P);
-    v9p->dev = (QVirtioDevice *) dev;
-
-    qvirtio_pci_device_enable(dev);
-    qvirtio_reset(v9p->dev);
-    qvirtio_set_acknowledge(v9p->dev);
-    qvirtio_set_driver(v9p->dev);
-
-    v9p->vq = qvirtqueue_setup(v9p->dev, v9p->qs->alloc, 0);
-
-    qvirtio_set_driver_ok(v9p->dev);
-
-    return v9p;
-}
-
-static void qvirtio_9p_pci_stop(QVirtIO9P *v9p)
-{
-    qvirtqueue_cleanup(v9p->dev->bus, v9p->vq, v9p->qs->alloc);
-    qvirtio_pci_device_disable(container_of(v9p->dev, QVirtioPCIDevice, vdev));
-    qvirtio_pci_device_free((QVirtioPCIDevice *)v9p->dev);
-    qvirtio_9p_stop(v9p);
-}
-
-static void pci_config(QVirtIO9P *v9p)
-{
-    size_t tag_len = qvirtio_config_readw(v9p->dev, 0);
-    char *tag;
-    int i;
-
-    g_assert_cmpint(tag_len, ==, strlen(mount_tag));
-
-    tag = g_malloc(tag_len);
-    for (i = 0; i < tag_len; i++) {
-        tag[i] = qvirtio_config_readb(v9p->dev, i + 2);
-    }
-    g_assert_cmpmem(tag, tag_len, mount_tag, tag_len);
-    g_free(tag);
-}
-
-#define P9_MAX_SIZE 4096 /* Max size of a T-message or R-message */
-
-typedef struct {
-    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)
-{
-    memwrite(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)
-{
-    memread(req->r_msg + req->r_off, addr, len);
-    req->r_off += len;
-}
-
-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);
-}
-
-/* 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);
-        v9fs_memread(req, *string, local_len);
-    } 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->v9p = v9p;
-    req->t_size = total_size;
-    req->t_msg = guest_alloc(v9p->qs->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(v9p->qs->alloc, P9_MAX_SIZE);
-    req->free_head = qvirtqueue_add(v9p->vq, req->t_msg, req->t_size, false,
-                                    true);
-    qvirtqueue_add(v9p->vq, req->r_msg, P9_MAX_SIZE, true, false);
-    qvirtqueue_kick(v9p->dev, 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_RFLUSH ? "RFLUSH" :
-        "<unknown>";
-}
-
-static void v9fs_req_wait_for_reply(P9Req *req, uint32_t *len)
-{
-    QVirtIO9P *v9p = req->v9p;
-
-    qvirtio_wait_used_elem(v9p->dev, 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)
-{
-    QVirtIO9P *v9p = req->v9p;
-
-    guest_free(v9p->qs->alloc, req->t_msg);
-    guest_free(v9p->qs->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] 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)
-{
-    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);
-}
-
-static void fs_version(QVirtIO9P *v9p)
-{
-    const char *version = "9P2000.L";
-    uint16_t server_len;
-    char *server_version;
-    P9Req *req;
-
-    req = v9fs_tversion(v9p, P9_MAX_SIZE, version, P9_NOTAG);
-    v9fs_req_wait_for_reply(req, NULL);
-    v9fs_rversion(req, &server_len, &server_version);
-
-    g_assert_cmpmem(server_version, server_len, version, strlen(version));
-
-    g_free(server_version);
-}
-
-static void fs_attach(QVirtIO9P *v9p)
-{
-    P9Req *req;
-
-    fs_version(v9p);
-    req = v9fs_tattach(v9p, 0, getuid(), 0);
-    v9fs_req_wait_for_reply(req, NULL);
-    v9fs_rattach(req, NULL);
-}
-
-static void fs_walk(QVirtIO9P *v9p)
-{
-    char *wnames[P9_MAXWELEM];
-    uint16_t nwqid;
-    v9fs_qid *wqid;
-    int i;
-    P9Req *req;
-
-    for (i = 0; i < P9_MAXWELEM; i++) {
-        wnames[i] = g_strdup_printf(QTEST_V9FS_SYNTH_WALK_FILE, i);
-    }
-
-    fs_attach(v9p);
-    req = v9fs_twalk(v9p, 0, 1, P9_MAXWELEM, wnames, 0);
-    v9fs_req_wait_for_reply(req, NULL);
-    v9fs_rwalk(req, &nwqid, &wqid);
-
-    g_assert_cmpint(nwqid, ==, P9_MAXWELEM);
-
-    for (i = 0; i < P9_MAXWELEM; i++) {
-        g_free(wnames[i]);
-    }
-
-    g_free(wqid);
-}
-
-static void fs_walk_no_slash(QVirtIO9P *v9p)
-{
-    char *const wnames[] = { g_strdup(" /") };
-    P9Req *req;
-    uint32_t err;
-
-    fs_attach(v9p);
-    req = v9fs_twalk(v9p, 0, 1, 1, wnames, 0);
-    v9fs_req_wait_for_reply(req, NULL);
-    v9fs_rlerror(req, &err);
-
-    g_assert_cmpint(err, ==, ENOENT);
-
-    g_free(wnames[0]);
-}
-
-static void fs_walk_dotdot(QVirtIO9P *v9p)
-{
-    char *const wnames[] = { g_strdup("..") };
-    v9fs_qid root_qid, *wqid;
-    P9Req *req;
-
-    fs_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, 1, wnames, 0);
-    v9fs_req_wait_for_reply(req, NULL);
-    v9fs_rwalk(req, NULL, &wqid); /* We now we'll get one qid */
-
-    g_assert_cmpmem(&root_qid, 13, wqid[0], 13);
-
-    g_free(wqid);
-    g_free(wnames[0]);
-}
-
-static void fs_lopen(QVirtIO9P *v9p)
-{
-    char *const wnames[] = { g_strdup(QTEST_V9FS_SYNTH_LOPEN_FILE) };
-    P9Req *req;
-
-    fs_attach(v9p);
-    req = v9fs_twalk(v9p, 0, 1, 1, wnames, 0);
-    v9fs_req_wait_for_reply(req, NULL);
-    v9fs_rwalk(req, NULL, NULL);
-
-    req = v9fs_tlopen(v9p, 1, O_WRONLY, 0);
-    v9fs_req_wait_for_reply(req, NULL);
-    v9fs_rlopen(req, NULL, NULL);
-
-    g_free(wnames[0]);
-}
-
-static void fs_write(QVirtIO9P *v9p)
-{
-    static const uint32_t write_count = P9_MAX_SIZE / 2;
-    char *const wnames[] = { g_strdup(QTEST_V9FS_SYNTH_WRITE_FILE) };
-    char *buf = g_malloc0(write_count);
-    uint32_t count;
-    P9Req *req;
-
-    fs_attach(v9p);
-    req = v9fs_twalk(v9p, 0, 1, 1, wnames, 0);
-    v9fs_req_wait_for_reply(req, NULL);
-    v9fs_rwalk(req, NULL, NULL);
-
-    req = v9fs_tlopen(v9p, 1, O_WRONLY, 0);
-    v9fs_req_wait_for_reply(req, NULL);
-    v9fs_rlopen(req, NULL, NULL);
-
-    req = v9fs_twrite(v9p, 1, 0, write_count, buf, 0);
-    v9fs_req_wait_for_reply(req, NULL);
-    v9fs_rwrite(req, &count);
-    g_assert_cmpint(count, ==, write_count);
-
-    g_free(buf);
-    g_free(wnames[0]);
-}
-
-static void fs_flush_success(QVirtIO9P *v9p)
-{
-    char *const wnames[] = { g_strdup(QTEST_V9FS_SYNTH_FLUSH_FILE) };
-    P9Req *req, *flush_req;
-    uint32_t reply_len;
-    uint8_t should_block;
-
-    fs_attach(v9p);
-    req = v9fs_twalk(v9p, 0, 1, 1, wnames, 0);
-    v9fs_req_wait_for_reply(req, NULL);
-    v9fs_rwalk(req, NULL, NULL);
-
-    req = v9fs_tlopen(v9p, 1, O_WRONLY, 0);
-    v9fs_req_wait_for_reply(req, NULL);
-    v9fs_rlopen(req, NULL, NULL);
-
-    /* This will cause the 9p server to try to write data to the backend,
-     * until the write request gets cancelled.
-     */
-    should_block = 1;
-    req = v9fs_twrite(v9p, 1, 0, sizeof(should_block), &should_block, 0);
-
-    flush_req = v9fs_tflush(v9p, req->tag, 1);
-
-    /* The write request is supposed to be flushed: the server should just
-     * mark the write request as used and reply to the flush request.
-     */
-    v9fs_req_wait_for_reply(req, &reply_len);
-    g_assert_cmpint(reply_len, ==, 0);
-    v9fs_req_free(req);
-    v9fs_rflush(flush_req);
-
-    g_free(wnames[0]);
-}
-
-static void fs_flush_ignored(QVirtIO9P *v9p)
-{
-    char *const wnames[] = { g_strdup(QTEST_V9FS_SYNTH_FLUSH_FILE) };
-    P9Req *req, *flush_req;
-    uint32_t count;
-    uint8_t should_block;
-
-    fs_attach(v9p);
-    req = v9fs_twalk(v9p, 0, 1, 1, wnames, 0);
-    v9fs_req_wait_for_reply(req, NULL);
-    v9fs_rwalk(req, NULL, NULL);
-
-    req = v9fs_tlopen(v9p, 1, O_WRONLY, 0);
-    v9fs_req_wait_for_reply(req, NULL);
-    v9fs_rlopen(req, NULL, NULL);
-
-    /* This will cause the write request to complete right away, before it
-     * could be actually cancelled.
-     */
-    should_block = 0;
-    req = v9fs_twrite(v9p, 1, 0, sizeof(should_block), &should_block, 0);
-
-    flush_req = v9fs_tflush(v9p, req->tag, 1);
-
-    /* The write request is supposed to complete. The server should
-     * reply to the write request and the flush request.
-     */
-    v9fs_req_wait_for_reply(req, NULL);
-    v9fs_rwrite(req, &count);
-    g_assert_cmpint(count, ==, sizeof(should_block));
-    v9fs_rflush(flush_req);
-
-    g_free(wnames[0]);
-}
-
-typedef void (*v9fs_test_fn)(QVirtIO9P *v9p);
-
-static void v9fs_run_pci_test(gconstpointer data)
-{
-    v9fs_test_fn fn = data;
-    QVirtIO9P *v9p = qvirtio_9p_pci_start();
-
-    if (fn) {
-        fn(v9p);
-    }
-    qvirtio_9p_pci_stop(v9p);
-}
-
-static void v9fs_qtest_pci_add(const char *path, v9fs_test_fn fn)
-{
-    qtest_add_data_func(path, fn, v9fs_run_pci_test);
-}
-
-int main(int argc, char **argv)
-{
-    g_test_init(&argc, &argv, NULL);
-    v9fs_qtest_pci_add("/virtio/9p/pci/nop", NULL);
-    v9fs_qtest_pci_add("/virtio/9p/pci/config", pci_config);
-    v9fs_qtest_pci_add("/virtio/9p/pci/fs/version/basic", fs_version);
-    v9fs_qtest_pci_add("/virtio/9p/pci/fs/attach/basic", fs_attach);
-    v9fs_qtest_pci_add("/virtio/9p/pci/fs/walk/basic", fs_walk);
-    v9fs_qtest_pci_add("/virtio/9p/pci/fs/walk/no_slash", fs_walk_no_slash);
-    v9fs_qtest_pci_add("/virtio/9p/pci/fs/walk/dotdot_from_root",
-                       fs_walk_dotdot);
-    v9fs_qtest_pci_add("/virtio/9p/pci/fs/lopen/basic", fs_lopen);
-    v9fs_qtest_pci_add("/virtio/9p/pci/fs/write/basic", fs_write);
-    v9fs_qtest_pci_add("/virtio/9p/pci/fs/flush/success", fs_flush_success);
-    v9fs_qtest_pci_add("/virtio/9p/pci/fs/flush/ignored", fs_flush_ignored);
-
-    return g_test_run();
-}