diff options
| author | M. Mohan Kumar <mohan@in.ibm.com> | 2010-05-10 12:11:03 +0530 |
|---|---|---|
| committer | Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com> | 2010-09-08 22:56:39 +0530 |
| commit | be940c8716d4d7783b1649f5f286b4c0187f9f6d (patch) | |
| tree | 2c345d839a7c4aded3bd8151d112741455446de5 /hw/virtio-9p.c | |
| parent | 84151514e488c70caa2c2c0ca10c76156c3b4e14 (diff) | |
qemu: virtio-9p: Implement statfs support in server
Implement statfs support in qemu server based on Sripathi's
initial statfs patch.
Signed-off-by: M. Mohan Kumar <mohan@in.ibm.com>
Signed-off-by: Sripathi Kodi <sripathik@in.ibm.com>
Signed-off-by: Venkateswararao Jujjuri <jvrao@linux.vnet.ibm.com>
Diffstat (limited to 'hw/virtio-9p.c')
| -rw-r--r-- | hw/virtio-9p.c | 63 |
1 files changed, 63 insertions, 0 deletions
diff --git a/hw/virtio-9p.c b/hw/virtio-9p.c index 107a66cfa7..f3851837b8 100644 --- a/hw/virtio-9p.c +++ b/hw/virtio-9p.c @@ -2144,9 +2144,72 @@ out: qemu_free(vs); } +static int v9fs_do_statfs(V9fsState *s, V9fsString *path, struct statfs *stbuf) +{ + return s->ops->statfs(&s->ctx, path->data, stbuf); +} + +static void v9fs_statfs_post_statfs(V9fsState *s, V9fsStatfsState *vs, int err) +{ + if (err) { + err = -errno; + goto out; + } + + vs->v9statfs.f_type = vs->stbuf.f_type; + vs->v9statfs.f_bsize = vs->stbuf.f_bsize; + vs->v9statfs.f_blocks = vs->stbuf.f_blocks; + vs->v9statfs.f_bfree = vs->stbuf.f_bfree; + vs->v9statfs.f_bavail = vs->stbuf.f_bavail; + vs->v9statfs.f_files = vs->stbuf.f_files; + vs->v9statfs.f_ffree = vs->stbuf.f_ffree; + vs->v9statfs.fsid_val = (unsigned int) vs->stbuf.f_fsid.__val[0] | + (unsigned long long)vs->stbuf.f_fsid.__val[1] << 32; + vs->v9statfs.f_namelen = vs->stbuf.f_namelen; + + vs->offset += pdu_marshal(vs->pdu, vs->offset, "ddqqqqqqd", + vs->v9statfs.f_type, vs->v9statfs.f_bsize, vs->v9statfs.f_blocks, + vs->v9statfs.f_bfree, vs->v9statfs.f_bavail, vs->v9statfs.f_files, + vs->v9statfs.f_ffree, vs->v9statfs.fsid_val, + vs->v9statfs.f_namelen); + +out: + complete_pdu(s, vs->pdu, vs->offset); + qemu_free(vs); +} + +static void v9fs_statfs(V9fsState *s, V9fsPDU *pdu) +{ + V9fsStatfsState *vs; + ssize_t err = 0; + + vs = qemu_malloc(sizeof(*vs)); + vs->pdu = pdu; + vs->offset = 7; + + memset(&vs->v9statfs, 0, sizeof(vs->v9statfs)); + + pdu_unmarshal(vs->pdu, vs->offset, "d", &vs->fid); + + vs->fidp = lookup_fid(s, vs->fid); + if (vs->fidp == NULL) { + err = -ENOENT; + goto out; + } + + err = v9fs_do_statfs(s, &vs->fidp->path, &vs->stbuf); + v9fs_statfs_post_statfs(s, vs, err); + return; + +out: + complete_pdu(s, vs->pdu, err); + qemu_free(vs); +} + typedef void (pdu_handler_t)(V9fsState *s, V9fsPDU *pdu); static pdu_handler_t *pdu_handlers[] = { + [P9_TSTATFS] = v9fs_statfs, [P9_TVERSION] = v9fs_version, [P9_TATTACH] = v9fs_attach, [P9_TSTAT] = v9fs_stat, |