*/
#include "qemu/osdep.h"
-#include "libqtest.h"
-#include "qemu-common.h"
-#include "libqos/pci-pc.h"
-#include "libqos/virtio.h"
-#include "libqos/virtio-pci.h"
-#include "libqos/malloc.h"
-#include "libqos/malloc-pc.h"
-#include "standard-headers/linux/virtio_ids.h"
-#include "standard-headers/linux/virtio_pci.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"
-static const char mount_tag[] = "qtest";
-static char *test_share;
+#define QVIRTIO_9P_TIMEOUT_US (10 * 1000 * 1000)
+static QGuestAllocator *alloc;
-static void qvirtio_9p_start(void)
+static void pci_config(void *obj, void *data, QGuestAllocator *t_alloc)
{
- char *args;
+ QVirtio9P *v9p = obj;
+ alloc = t_alloc;
+ size_t tag_len = qvirtio_config_readw(v9p->vdev, 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->vdev, i + 2);
+ }
+ g_assert_cmpmem(tag, tag_len, MOUNT_TAG, tag_len);
+ g_free(tag);
+}
- test_share = g_strdup("/tmp/qtest.XXXXXX");
- g_assert_nonnull(mkdtemp(test_share));
+#define P9_MAX_SIZE 4096 /* Max size of a T-message or R-message */
- args = g_strdup_printf("-fsdev local,id=fsdev0,security_model=none,path=%s "
- "-device virtio-9p-pci,fsdev=fsdev0,mount_tag=%s",
- test_share, mount_tag);
+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;
- qtest_start(args);
- g_free(args);
+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 qvirtio_9p_stop(void)
+static void v9fs_memskip(P9Req *req, size_t len)
{
- qtest_end();
- rmdir(test_share);
- g_free(test_share);
+ req->r_off += len;
}
-static void pci_nop(void)
+static void v9fs_memread(P9Req *req, void *addr, size_t len)
{
- qvirtio_9p_start();
- qvirtio_9p_stop();
+ qtest_memread(req->qts, req->r_msg + req->r_off, addr, len);
+ req->r_off += len;
}
-typedef struct {
- QVirtioDevice *dev;
- QGuestAllocator *alloc;
- QPCIBus *bus;
- QVirtQueue *vq;
-} QVirtIO9P;
+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 QVirtIO9P *qvirtio_9p_pci_init(void)
+static void v9fs_uint16_read(P9Req *req, uint16_t *val)
{
- QVirtIO9P *v9p;
- QVirtioPCIDevice *dev;
+ v9fs_memread(req, val, 2);
+ le16_to_cpus(val);
+}
- v9p = g_new0(QVirtIO9P, 1);
- v9p->alloc = pc_alloc_init();
- v9p->bus = qpci_init_pc(NULL);
+static void v9fs_uint32_write(P9Req *req, uint32_t val)
+{
+ uint32_t le_val = cpu_to_le32(val);
- dev = qvirtio_pci_device_find(v9p->bus, VIRTIO_ID_9P);
- g_assert_nonnull(dev);
- g_assert_cmphex(dev->vdev.device_type, ==, VIRTIO_ID_9P);
- v9p->dev = (QVirtioDevice *) dev;
+ v9fs_memwrite(req, &le_val, 4);
+}
- qvirtio_pci_device_enable(dev);
- qvirtio_reset(v9p->dev);
- qvirtio_set_acknowledge(v9p->dev);
- qvirtio_set_driver(v9p->dev);
+static void v9fs_uint64_write(P9Req *req, uint64_t val)
+{
+ uint64_t le_val = cpu_to_le64(val);
- v9p->vq = qvirtqueue_setup(v9p->dev, v9p->alloc, 0);
- return v9p;
+ v9fs_memwrite(req, &le_val, 8);
}
-static void qvirtio_9p_pci_free(QVirtIO9P *v9p)
+static void v9fs_uint32_read(P9Req *req, uint32_t *val)
{
- qvirtqueue_cleanup(v9p->dev->bus, v9p->vq, v9p->alloc);
- pc_alloc_uninit(v9p->alloc);
- qvirtio_pci_device_disable(container_of(v9p->dev, QVirtioPCIDevice, vdev));
- g_free(v9p->dev);
- qpci_free_pc(v9p->bus);
- g_free(v9p);
+ v9fs_memread(req, val, 4);
+ le32_to_cpus(val);
}
-static void pci_basic_config(void)
+/* len[2] string[len] */
+static uint16_t v9fs_string_size(const char *string)
{
- QVirtIO9P *v9p;
- void *addr;
- size_t tag_len;
- char *tag;
+ 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->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_RFLUSH ? "RFLUSH" :
+ "<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;
- qvirtio_9p_start();
- v9p = qvirtio_9p_pci_init();
+ for (i = 0; i < nwname; i++) {
+ uint16_t wname_size = v9fs_string_size(wnames[i]);
- addr = ((QVirtioPCIDevice *) v9p->dev)->addr + VIRTIO_PCI_CONFIG_OFF(false);
- tag_len = qvirtio_config_readw(v9p->dev,
- (uint64_t)(uintptr_t)addr);
- g_assert_cmpint(tag_len, ==, strlen(mount_tag));
- addr += sizeof(uint16_t);
+ 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;
+}
- tag = g_malloc(tag_len);
- for (i = 0; i < tag_len; i++) {
- tag[i] = qvirtio_config_readb(v9p->dev, (uint64_t)(uintptr_t)addr + i);
+/* 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;
}
- g_assert_cmpmem(tag, tag_len, mount_tag, tag_len);
- g_free(tag);
+ 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;
+}
- qvirtio_9p_pci_free(v9p);
- qvirtio_9p_stop();
+/* 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);
}
-int main(int argc, char **argv)
+/* size[4] Tflush tag[2] oldtag[2] */
+static P9Req *v9fs_tflush(QVirtio9P *v9p, uint16_t oldtag, uint16_t tag)
{
- g_test_init(&argc, &argv, NULL);
- qtest_add_func("/virtio/9p/pci/nop", pci_nop);
- qtest_add_func("/virtio/9p/pci/basic/configuration", pci_basic_config);
+ P9Req *req;
- return g_test_run();
+ 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(void *obj, void *data, QGuestAllocator *t_alloc)
+{
+ QVirtio9P *v9p = obj;
+ alloc = t_alloc;
+ 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(void *obj, void *data, QGuestAllocator *t_alloc)
+{
+ QVirtio9P *v9p = obj;
+ alloc = t_alloc;
+ P9Req *req;
+
+ fs_version(v9p, NULL, t_alloc);
+ req = v9fs_tattach(v9p, 0, getuid(), 0);
+ v9fs_req_wait_for_reply(req, NULL);
+ v9fs_rattach(req, NULL);
+}
+
+static void fs_walk(void *obj, void *data, QGuestAllocator *t_alloc)
+{
+ QVirtio9P *v9p = obj;
+ alloc = t_alloc;
+ 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, NULL, t_alloc);
+ 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(void *obj, void *data, QGuestAllocator *t_alloc)
+{
+ QVirtio9P *v9p = obj;
+ alloc = t_alloc;
+ char *const wnames[] = { g_strdup(" /") };
+ P9Req *req;
+ uint32_t err;
+
+ fs_attach(v9p, NULL, t_alloc);
+ 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(void *obj, void *data, QGuestAllocator *t_alloc)
+{
+ QVirtio9P *v9p = obj;
+ alloc = t_alloc;
+ char *const wnames[] = { g_strdup("..") };
+ v9fs_qid root_qid, *wqid;
+ P9Req *req;
+
+ fs_version(v9p, NULL, t_alloc);
+ 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(void *obj, void *data, QGuestAllocator *t_alloc)
+{
+ QVirtio9P *v9p = obj;
+ alloc = t_alloc;
+ char *const wnames[] = { g_strdup(QTEST_V9FS_SYNTH_LOPEN_FILE) };
+ P9Req *req;
+
+ fs_attach(v9p, NULL, t_alloc);
+ 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(void *obj, void *data, QGuestAllocator *t_alloc)
+{
+ QVirtio9P *v9p = obj;
+ alloc = t_alloc;
+ 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, NULL, t_alloc);
+ 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(void *obj, void *data, QGuestAllocator *t_alloc)
+{
+ QVirtio9P *v9p = obj;
+ alloc = t_alloc;
+ 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, NULL, t_alloc);
+ 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(void *obj, void *data, QGuestAllocator *t_alloc)
+{
+ QVirtio9P *v9p = obj;
+ alloc = t_alloc;
+ char *const wnames[] = { g_strdup(QTEST_V9FS_SYNTH_FLUSH_FILE) };
+ P9Req *req, *flush_req;
+ uint32_t count;
+ uint8_t should_block;
+
+ fs_attach(v9p, NULL, t_alloc);
+ 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]);
+}
+
+static void register_virtio_9p_test(void)
+{
+ qos_add_test("config", "virtio-9p", pci_config, NULL);
+ qos_add_test("fs/version/basic", "virtio-9p", fs_version, NULL);
+ qos_add_test("fs/attach/basic", "virtio-9p", fs_attach, NULL);
+ qos_add_test("fs/walk/basic", "virtio-9p", fs_walk, NULL);
+ qos_add_test("fs/walk/no_slash", "virtio-9p", fs_walk_no_slash,
+ NULL);
+ qos_add_test("fs/walk/dotdot_from_root", "virtio-9p",
+ fs_walk_dotdot, NULL);
+ qos_add_test("fs/lopen/basic", "virtio-9p", fs_lopen, NULL);
+ qos_add_test("fs/write/basic", "virtio-9p", fs_write, NULL);
+ qos_add_test("fs/flush/success", "virtio-9p", fs_flush_success,
+ NULL);
+ qos_add_test("fs/flush/ignored", "virtio-9p", fs_flush_ignored,
+ NULL);
+}
+
+libqos_init(register_virtio_9p_test);
projects / mirror_qemu.git / blobdiff