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authorAneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>2011-06-01 12:35:13 +0530
committerVenkateswararao Jujjuri (JV) <jvrao@linux.vnet.ibm.com>2011-06-01 10:24:50 -0700
commitf4f61d272e26ca34612c05070dfbda86dc00298b (patch)
tree49b6875e60cbee53d173817e114429b27bbeff9a /hw/9pfs/virtio-9p.c
parent9fe1ebebd0c427fd9b3d1ffffa77a9969d873d93 (diff)
downloadqemu-f4f61d272e26ca34612c05070dfbda86dc00298b.tar.gz
virtio-9p: Move device specific code to virtio-9p-device
Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com> Signed-off-by: Venkateswararao Jujjuri (JV) <jvrao@linux.vnet.ibm.com>
Diffstat (limited to 'hw/9pfs/virtio-9p.c')
-rw-r--r--hw/9pfs/virtio-9p.c155
1 files changed, 1 insertions, 154 deletions
diff --git a/hw/9pfs/virtio-9p.c b/hw/9pfs/virtio-9p.c
index 28c128e762..21865b1f24 100644
--- a/hw/9pfs/virtio-9p.c
+++ b/hw/9pfs/virtio-9p.c
@@ -3622,7 +3622,7 @@ static void submit_pdu(V9fsState *s, V9fsPDU *pdu)
handler(s, pdu);
}
-static void handle_9p_output(VirtIODevice *vdev, VirtQueue *vq)
+void handle_9p_output(VirtIODevice *vdev, VirtQueue *vq)
{
V9fsState *s = (V9fsState *)vdev;
V9fsPDU *pdu;
@@ -3646,156 +3646,3 @@ static void handle_9p_output(VirtIODevice *vdev, VirtQueue *vq)
free_pdu(s, pdu);
}
-
-static uint32_t virtio_9p_get_features(VirtIODevice *vdev, uint32_t features)
-{
- features |= 1 << VIRTIO_9P_MOUNT_TAG;
- return features;
-}
-
-static V9fsState *to_virtio_9p(VirtIODevice *vdev)
-{
- return (V9fsState *)vdev;
-}
-
-static void virtio_9p_get_config(VirtIODevice *vdev, uint8_t *config)
-{
- struct virtio_9p_config *cfg;
- V9fsState *s = to_virtio_9p(vdev);
-
- cfg = qemu_mallocz(sizeof(struct virtio_9p_config) +
- s->tag_len);
- stw_raw(&cfg->tag_len, s->tag_len);
- memcpy(cfg->tag, s->tag, s->tag_len);
- memcpy(config, cfg, s->config_size);
- qemu_free(cfg);
-}
-
-VirtIODevice *virtio_9p_init(DeviceState *dev, V9fsConf *conf)
- {
- V9fsState *s;
- int i, len;
- struct stat stat;
- FsTypeEntry *fse;
-
-
- s = (V9fsState *)virtio_common_init("virtio-9p",
- VIRTIO_ID_9P,
- sizeof(struct virtio_9p_config)+
- MAX_TAG_LEN,
- sizeof(V9fsState));
-
- /* initialize pdu allocator */
- QLIST_INIT(&s->free_list);
- for (i = 0; i < (MAX_REQ - 1); i++) {
- QLIST_INSERT_HEAD(&s->free_list, &s->pdus[i], next);
- }
-
- s->vq = virtio_add_queue(&s->vdev, MAX_REQ, handle_9p_output);
-
- fse = get_fsdev_fsentry(conf->fsdev_id);
-
- if (!fse) {
- /* We don't have a fsdev identified by fsdev_id */
- fprintf(stderr, "Virtio-9p device couldn't find fsdev with the "
- "id = %s\n", conf->fsdev_id ? conf->fsdev_id : "NULL");
- exit(1);
- }
-
- if (!fse->path || !conf->tag) {
- /* we haven't specified a mount_tag or the path */
- fprintf(stderr, "fsdev with id %s needs path "
- "and Virtio-9p device needs mount_tag arguments\n",
- conf->fsdev_id);
- exit(1);
- }
-
- if (!strcmp(fse->security_model, "passthrough")) {
- /* Files on the Fileserver set to client user credentials */
- s->ctx.fs_sm = SM_PASSTHROUGH;
- s->ctx.xops = passthrough_xattr_ops;
- } else if (!strcmp(fse->security_model, "mapped")) {
- /* Files on the fileserver are set to QEMU credentials.
- * Client user credentials are saved in extended attributes.
- */
- s->ctx.fs_sm = SM_MAPPED;
- s->ctx.xops = mapped_xattr_ops;
- } else if (!strcmp(fse->security_model, "none")) {
- /*
- * Files on the fileserver are set to QEMU credentials.
- */
- s->ctx.fs_sm = SM_NONE;
- s->ctx.xops = none_xattr_ops;
- } else {
- fprintf(stderr, "Default to security_model=none. You may want"
- " enable advanced security model using "
- "security option:\n\t security_model=passthrough \n\t "
- "security_model=mapped\n");
- s->ctx.fs_sm = SM_NONE;
- s->ctx.xops = none_xattr_ops;
- }
-
- if (lstat(fse->path, &stat)) {
- fprintf(stderr, "share path %s does not exist\n", fse->path);
- exit(1);
- } else if (!S_ISDIR(stat.st_mode)) {
- fprintf(stderr, "share path %s is not a directory \n", fse->path);
- exit(1);
- }
-
- s->ctx.fs_root = qemu_strdup(fse->path);
- len = strlen(conf->tag);
- if (len > MAX_TAG_LEN) {
- len = MAX_TAG_LEN;
- }
- /* s->tag is non-NULL terminated string */
- s->tag = qemu_malloc(len);
- memcpy(s->tag, conf->tag, len);
- s->tag_len = len;
- s->ctx.uid = -1;
-
- s->ops = fse->ops;
- s->vdev.get_features = virtio_9p_get_features;
- s->config_size = sizeof(struct virtio_9p_config) +
- s->tag_len;
- s->vdev.get_config = virtio_9p_get_config;
-
- return &s->vdev;
-}
-
-static int virtio_9p_init_pci(PCIDevice *pci_dev)
-{
- VirtIOPCIProxy *proxy = DO_UPCAST(VirtIOPCIProxy, pci_dev, pci_dev);
- VirtIODevice *vdev;
-
- vdev = virtio_9p_init(&pci_dev->qdev, &proxy->fsconf);
- vdev->nvectors = proxy->nvectors;
- virtio_init_pci(proxy, vdev,
- PCI_VENDOR_ID_REDHAT_QUMRANET,
- 0x1009,
- 0x2,
- 0x00);
- /* make the actual value visible */
- proxy->nvectors = vdev->nvectors;
- return 0;
-}
-
-static PCIDeviceInfo virtio_9p_info = {
- .qdev.name = "virtio-9p-pci",
- .qdev.size = sizeof(VirtIOPCIProxy),
- .init = virtio_9p_init_pci,
- .qdev.props = (Property[]) {
- DEFINE_PROP_UINT32("vectors", VirtIOPCIProxy, nvectors, 2),
- DEFINE_VIRTIO_COMMON_FEATURES(VirtIOPCIProxy, host_features),
- DEFINE_PROP_STRING("mount_tag", VirtIOPCIProxy, fsconf.tag),
- DEFINE_PROP_STRING("fsdev", VirtIOPCIProxy, fsconf.fsdev_id),
- DEFINE_PROP_END_OF_LIST(),
- }
-};
-
-static void virtio_9p_register_devices(void)
-{
- pci_qdev_register(&virtio_9p_info);
-}
-
-device_init(virtio_9p_register_devices)