err = 0;
}
});
+ if (!err) {
+ total_open_fd++;
+ if (total_open_fd > open_fd_hw) {
+ v9fs_reclaim_fd(s);
+ }
+ }
return err;
}
-int v9fs_co_closedir(V9fsState *s, V9fsFidState *fidp)
+int v9fs_co_closedir(V9fsState *s, DIR *dir)
{
int err;
- DIR *dir;
- dir = fidp->fs.dir;
v9fs_co_run_in_worker(
{
err = s->ops->closedir(&s->ctx, dir);
err = -errno;
}
});
+ if (!err) {
+ total_open_fd--;
+ }
return err;
}
err = 0;
}
});
+ if (!err) {
+ total_open_fd++;
+ if (total_open_fd > open_fd_hw) {
+ v9fs_reclaim_fd(s);
+ }
+ }
return err;
}
err = -errno;
}
});
+ if (!err) {
+ total_open_fd++;
+ if (total_open_fd > open_fd_hw) {
+ v9fs_reclaim_fd(s);
+ }
+ }
return err;
}
-int v9fs_co_close(V9fsState *s, V9fsFidState *fidp)
+int v9fs_co_close(V9fsState *s, int fd)
{
- int fd;
int err;
- fd = fidp->fs.fd;
v9fs_co_run_in_worker(
{
err = s->ops->close(&s->ctx, fd);
err = -errno;
}
});
+ if (!err) {
+ total_open_fd--;
+ }
return err;
}
extern int v9fs_co_lsetxattr(V9fsState *, V9fsString *, V9fsString *,
void *, size_t, int);
extern int v9fs_co_lremovexattr(V9fsState *, V9fsString *, V9fsString *);
-extern int v9fs_co_closedir(V9fsState *, V9fsFidState *);
-extern int v9fs_co_close(V9fsState *, V9fsFidState *);
+extern int v9fs_co_closedir(V9fsState *, DIR *);
+extern int v9fs_co_close(V9fsState *, int);
extern int v9fs_co_fsync(V9fsState *, V9fsFidState *, int);
extern int v9fs_co_symlink(V9fsState *, V9fsFidState *, const char *,
const char *, gid_t);
s->config_size = sizeof(struct virtio_9p_config) +
s->tag_len;
s->vdev.get_config = virtio_9p_get_config;
+ s->fid_list = NULL;
if (v9fs_init_worker_threads() < 0) {
fprintf(stderr, "worker thread initialization failed\n");
static void virtio_9p_register_devices(void)
{
pci_qdev_register(&virtio_9p_info);
+ virtio_9p_set_fd_limit();
}
device_init(virtio_9p_register_devices)
#include "virtio-9p-coth.h"
int debug_9p_pdu;
+int open_fd_hw;
+int total_open_fd;
+static int open_fd_rc;
enum {
Oread = 0x00,
return str->size;
}
-static V9fsFidState *lookup_fid(V9fsState *s, int32_t fid)
+/*
+ * returns 0 if fid got re-opened, 1 if not, < 0 on error */
+static int v9fs_reopen_fid(V9fsState *s, V9fsFidState *f)
+{
+ int err = 1;
+ if (f->fid_type == P9_FID_FILE) {
+ if (f->fs.fd == -1) {
+ do {
+ err = v9fs_co_open(s, f, f->open_flags);
+ } while (err == -EINTR);
+ }
+ } else if (f->fid_type == P9_FID_DIR) {
+ if (f->fs.dir == NULL) {
+ do {
+ err = v9fs_co_opendir(s, f);
+ } while (err == -EINTR);
+ }
+ }
+ return err;
+}
+
+static V9fsFidState *get_fid(V9fsState *s, int32_t fid)
{
+ int err;
V9fsFidState *f;
for (f = s->fid_list; f; f = f->next) {
+ BUG_ON(f->clunked);
if (f->fid == fid) {
+ /*
+ * Update the fid ref upfront so that
+ * we don't get reclaimed when we yield
+ * in open later.
+ */
+ f->ref++;
+ /*
+ * check whether we need to reopen the
+ * file. We might have closed the fd
+ * while trying to free up some file
+ * descriptors.
+ */
+ err = v9fs_reopen_fid(s, f);
+ if (err < 0) {
+ f->ref--;
+ return NULL;
+ }
+ /*
+ * Mark the fid as referenced so that the LRU
+ * reclaim won't close the file descriptor
+ */
+ f->flags |= FID_REFERENCED;
return f;
}
}
-
return NULL;
}
{
V9fsFidState *f;
- f = lookup_fid(s, fid);
- if (f) {
- return NULL;
+ for (f = s->fid_list; f; f = f->next) {
+ /* If fid is already there return NULL */
+ BUG_ON(f->clunked);
+ if (f->fid == fid) {
+ return NULL;
+ }
}
-
f = g_malloc0(sizeof(V9fsFidState));
-
f->fid = fid;
f->fid_type = P9_FID_NONE;
-
+ f->ref = 1;
+ /*
+ * Mark the fid as referenced so that the LRU
+ * reclaim won't close the file descriptor
+ */
+ f->flags |= FID_REFERENCED;
f->next = s->fid_list;
s->fid_list = f;
return retval;
}
-static int free_fid(V9fsState *s, int32_t fid)
+static int free_fid(V9fsState *s, V9fsFidState *fidp)
{
int retval = 0;
+
+ if (fidp->fid_type == P9_FID_FILE) {
+ /* If we reclaimed the fd no need to close */
+ if (fidp->fs.fd != -1) {
+ retval = v9fs_co_close(s, fidp->fs.fd);
+ }
+ } else if (fidp->fid_type == P9_FID_DIR) {
+ if (fidp->fs.dir != NULL) {
+ retval = v9fs_co_closedir(s, fidp->fs.dir);
+ }
+ } else if (fidp->fid_type == P9_FID_XATTR) {
+ retval = v9fs_xattr_fid_clunk(s, fidp);
+ }
+ v9fs_string_free(&fidp->path);
+ g_free(fidp);
+ return retval;
+}
+
+static void put_fid(V9fsState *s, V9fsFidState *fidp)
+{
+ BUG_ON(!fidp->ref);
+ fidp->ref--;
+ /*
+ * Don't free the fid if it is in reclaim list
+ */
+ if (!fidp->ref && fidp->clunked) {
+ free_fid(s, fidp);
+ }
+}
+
+static int clunk_fid(V9fsState *s, int32_t fid)
+{
V9fsFidState **fidpp, *fidp;
for (fidpp = &s->fid_list; *fidpp; fidpp = &(*fidpp)->next) {
if (*fidpp == NULL) {
return -ENOENT;
}
-
fidp = *fidpp;
*fidpp = fidp->next;
+ fidp->clunked = 1;
+ return 0;
+}
- if (fidp->fid_type == P9_FID_FILE) {
- retval = v9fs_co_close(s, fidp);
- } else if (fidp->fid_type == P9_FID_DIR) {
- retval = v9fs_co_closedir(s, fidp);
- } else if (fidp->fid_type == P9_FID_XATTR) {
- retval = v9fs_xattr_fid_clunk(s, fidp);
+void v9fs_reclaim_fd(V9fsState *s)
+{
+ int reclaim_count = 0;
+ V9fsFidState *f, *reclaim_list = NULL;
+
+ for (f = s->fid_list; f; f = f->next) {
+ /*
+ * Unlink fids cannot be reclaimed. Check
+ * for them and skip them. Also skip fids
+ * currently being operated on.
+ */
+ if (f->ref || f->flags & FID_NON_RECLAIMABLE) {
+ continue;
+ }
+ /*
+ * if it is a recently referenced fid
+ * we leave the fid untouched and clear the
+ * reference bit. We come back to it later
+ * in the next iteration. (a simple LRU without
+ * moving list elements around)
+ */
+ if (f->flags & FID_REFERENCED) {
+ f->flags &= ~FID_REFERENCED;
+ continue;
+ }
+ /*
+ * Add fids to reclaim list.
+ */
+ if (f->fid_type == P9_FID_FILE) {
+ if (f->fs.fd != -1) {
+ /*
+ * Up the reference count so that
+ * a clunk request won't free this fid
+ */
+ f->ref++;
+ f->rclm_lst = reclaim_list;
+ reclaim_list = f;
+ f->fs_reclaim.fd = f->fs.fd;
+ f->fs.fd = -1;
+ reclaim_count++;
+ }
+ } else if (f->fid_type == P9_FID_DIR) {
+ if (f->fs.dir != NULL) {
+ /*
+ * Up the reference count so that
+ * a clunk request won't free this fid
+ */
+ f->ref++;
+ f->rclm_lst = reclaim_list;
+ reclaim_list = f;
+ f->fs_reclaim.dir = f->fs.dir;
+ f->fs.dir = NULL;
+ reclaim_count++;
+ }
+ }
+ if (reclaim_count >= open_fd_rc) {
+ break;
+ }
+ }
+ /*
+ * Now close the fid in reclaim list. Free them if they
+ * are already clunked.
+ */
+ while (reclaim_list) {
+ f = reclaim_list;
+ reclaim_list = f->rclm_lst;
+ if (f->fid_type == P9_FID_FILE) {
+ v9fs_co_close(s, f->fs_reclaim.fd);
+ } else if (f->fid_type == P9_FID_DIR) {
+ v9fs_co_closedir(s, f->fs_reclaim.dir);
+ }
+ f->rclm_lst = NULL;
+ /*
+ * Now drop the fid reference, free it
+ * if clunked.
+ */
+ put_fid(s, f);
}
- v9fs_string_free(&fidp->path);
- g_free(fidp);
- return retval;
+}
+
+static int v9fs_mark_fids_unreclaim(V9fsState *s, V9fsString *str)
+{
+ int err;
+ V9fsFidState *fidp, head_fid;
+
+ head_fid.next = s->fid_list;
+ for (fidp = s->fid_list; fidp; fidp = fidp->next) {
+ if (!strcmp(fidp->path.data, str->data)) {
+ /* Mark the fid non reclaimable. */
+ fidp->flags |= FID_NON_RECLAIMABLE;
+
+ /* reopen the file/dir if already closed */
+ err = v9fs_reopen_fid(s, fidp);
+ if (err < 0) {
+ return -1;
+ }
+ /*
+ * Go back to head of fid list because
+ * the list could have got updated when
+ * switched to the worker thread
+ */
+ if (err == 0) {
+ fidp = &head_fid;
+ }
+ }
+ }
+ return 0;
}
#define P9_QID_TYPE_DIR 0x80
fidp = alloc_fid(s, fid);
if (fidp == NULL) {
err = -EINVAL;
- goto out;
+ goto out_nofid;
}
fidp->uid = n_uname;
v9fs_string_sprintf(&fidp->path, "%s", "/");
err = fid_to_qid(s, fidp, &qid);
if (err < 0) {
err = -EINVAL;
- free_fid(s, fid);
+ clunk_fid(s, fid);
goto out;
}
offset += pdu_marshal(pdu, offset, "Q", &qid);
err = offset;
out:
+ put_fid(s, fidp);
+out_nofid:
complete_pdu(s, pdu, err);
v9fs_string_free(&uname);
v9fs_string_free(&aname);
V9fsState *s = pdu->s;
pdu_unmarshal(pdu, offset, "d", &fid);
- fidp = lookup_fid(s, fid);
+
+ fidp = get_fid(s, fid);
if (fidp == NULL) {
err = -ENOENT;
- goto out;
+ goto out_nofid;
}
err = v9fs_co_lstat(s, &fidp->path, &stbuf);
if (err < 0) {
err = offset;
v9fs_stat_free(&v9stat);
out:
+ put_fid(s, fidp);
+out_nofid:
complete_pdu(s, pdu, err);
}
pdu_unmarshal(pdu, offset, "dq", &fid, &request_mask);
- fidp = lookup_fid(s, fid);
+ fidp = get_fid(s, fid);
if (fidp == NULL) {
retval = -ENOENT;
- goto out;
+ goto out_nofid;
}
/*
* Currently we only support BASIC fields in stat, so there is no
retval = offset;
retval += pdu_marshal(pdu, offset, "A", &v9stat_dotl);
out:
+ put_fid(s, fidp);
+out_nofid:
complete_pdu(s, pdu, retval);
}
pdu_unmarshal(pdu, offset, "dI", &fid, &v9iattr);
- fidp = lookup_fid(s, fid);
+ fidp = get_fid(s, fid);
if (fidp == NULL) {
err = -EINVAL;
- goto out;
+ goto out_nofid;
}
if (v9iattr.valid & ATTR_MODE) {
err = v9fs_co_chmod(s, &fidp->path, v9iattr.mode);
}
err = offset;
out:
+ put_fid(s, fidp);
+out_nofid:
complete_pdu(s, pdu, err);
}
int32_t fid, newfid;
V9fsString *wnames = NULL;
V9fsFidState *fidp;
- V9fsFidState *newfidp;
+ V9fsFidState *newfidp = NULL;;
V9fsPDU *pdu = opaque;
V9fsState *s = pdu->s;
} else if (nwnames > P9_MAXWELEM) {
err = -EINVAL;
- goto out;
+ goto out_nofid;
}
- fidp = lookup_fid(s, fid);
+ fidp = get_fid(s, fid);
if (fidp == NULL) {
err = -ENOENT;
- goto out;
+ goto out_nofid;
}
if (fid == newfid) {
BUG_ON(fidp->fid_type != P9_FID_NONE);
v9fs_string_copy(&newfidp->path, &path);
err = v9fs_co_lstat(s, &newfidp->path, &stbuf);
if (err < 0) {
- free_fid(s, newfidp->fid);
+ clunk_fid(s, newfidp->fid);
v9fs_string_free(&path);
goto out;
}
}
err = v9fs_walk_marshal(pdu, nwnames, qids);
out:
+ put_fid(s, fidp);
+ if (newfidp) {
+ put_fid(s, newfidp);
+ }
+out_nofid:
complete_pdu(s, pdu, err);
if (nwnames && nwnames <= P9_MAXWELEM) {
for (name_idx = 0; name_idx < nwnames; name_idx++) {
} else {
pdu_unmarshal(pdu, offset, "db", &fid, &mode);
}
- fidp = lookup_fid(s, fid);
+ fidp = get_fid(s, fid);
if (fidp == NULL) {
err = -ENOENT;
- goto out;
+ goto out_nofid;
}
BUG_ON(fidp->fid_type != P9_FID_NONE);
goto out;
}
fidp->fid_type = P9_FID_FILE;
+ fidp->open_flags = flags;
+ if (flags & O_EXCL) {
+ /*
+ * We let the host file system do O_EXCL check
+ * We should not reclaim such fd
+ */
+ fidp->flags |= FID_NON_RECLAIMABLE;
+ }
iounit = get_iounit(s, &fidp->path);
offset += pdu_marshal(pdu, offset, "Qd", &qid, iounit);
err = offset;
}
out:
+ put_fid(s, fidp);
+out_nofid:
complete_pdu(s, pdu, err);
}
pdu_unmarshal(pdu, offset, "dsddd", &dfid, &name, &flags,
&mode, &gid);
- fidp = lookup_fid(pdu->s, dfid);
+ fidp = get_fid(pdu->s, dfid);
if (fidp == NULL) {
err = -ENOENT;
- goto out;
+ goto out_nofid;
}
v9fs_string_sprintf(&fullname, "%s/%s", fidp->path.data, name.data);
goto out;
}
fidp->fid_type = P9_FID_FILE;
+ fidp->open_flags = flags;
+ if (flags & O_EXCL) {
+ /*
+ * We let the host file system do O_EXCL check
+ * We should not reclaim such fd
+ */
+ fidp->flags |= FID_NON_RECLAIMABLE;
+ }
iounit = get_iounit(pdu->s, &fullname);
err = v9fs_co_lstat(pdu->s, &fullname, &stbuf);
if (err < 0) {
fidp->fid_type = P9_FID_NONE;
if (fidp->fs.fd > 0) {
- close(fidp->fs.fd);
+ v9fs_co_close(pdu->s, fidp->fs.fd);
}
goto out;
}
offset += pdu_marshal(pdu, offset, "Qd", &qid, iounit);
err = offset;
out:
+ put_fid(pdu->s, fidp);
+out_nofid:
complete_pdu(pdu->s, pdu, err);
v9fs_string_free(&name);
v9fs_string_free(&fullname);
V9fsState *s = pdu->s;
pdu_unmarshal(pdu, offset, "dd", &fid, &datasync);
- fidp = lookup_fid(s, fid);
+ fidp = get_fid(s, fid);
if (fidp == NULL) {
err = -ENOENT;
- goto out;
+ goto out_nofid;
}
err = v9fs_co_fsync(s, fidp, datasync);
if (!err) {
err = offset;
}
-out:
+ put_fid(s, fidp);
+out_nofid:
complete_pdu(s, pdu, err);
}
int err;
int32_t fid;
size_t offset = 7;
+ V9fsFidState *fidp;
V9fsPDU *pdu = opaque;
V9fsState *s = pdu->s;
pdu_unmarshal(pdu, offset, "d", &fid);
- err = free_fid(s, fid);
+
+ fidp = get_fid(s, fid);
+ if (fidp == NULL) {
+ err = -ENOENT;
+ goto out_nofid;
+ }
+ err = clunk_fid(s, fidp->fid);
if (err < 0) {
goto out;
}
err = offset;
out:
+ put_fid(s, fidp);
+out_nofid:
complete_pdu(s, pdu, err);
}
V9fsState *s = pdu->s;
pdu_unmarshal(pdu, offset, "dqd", &fid, &off, &max_count);
- fidp = lookup_fid(s, fid);
+
+ fidp = get_fid(s, fid);
if (fidp == NULL) {
err = -EINVAL;
- goto out;
+ goto out_nofid;
}
if (fidp->fid_type == P9_FID_DIR) {
err = -EINVAL;
}
out:
+ put_fid(s, fidp);
+out_nofid:
complete_pdu(s, pdu, err);
}
pdu_unmarshal(pdu, offset, "dqd", &fid, &initial_offset, &max_count);
- fidp = lookup_fid(s, fid);
- if (fidp == NULL || !fidp->fs.dir) {
+ fidp = get_fid(s, fid);
+ if (fidp == NULL) {
+ retval = -EINVAL;
+ goto out_nofid;
+ }
+ if (!fidp->fs.dir) {
retval = -EINVAL;
goto out;
}
retval += pdu_marshal(pdu, offset, "d", count);
retval += count;
out:
+ put_fid(s, fidp);
+out_nofid:
complete_pdu(s, pdu, retval);
}
V9fsState *s = pdu->s;
pdu_unmarshal(pdu, offset, "dqdv", &fid, &off, &count, sg, &cnt);
- fidp = lookup_fid(s, fid);
+
+ fidp = get_fid(s, fid);
if (fidp == NULL) {
err = -EINVAL;
- goto out;
+ goto out_nofid;
}
if (fidp->fid_type == P9_FID_FILE) {
if (fidp->fs.fd == -1) {
offset += pdu_marshal(pdu, offset, "d", total);
err = offset;
out:
+ put_fid(s, fidp);
+out_nofid:
complete_pdu(s, pdu, err);
}
pdu_unmarshal(pdu, offset, "dsdbs", &fid, &name,
&perm, &mode, &extension);
- fidp = lookup_fid(pdu->s, fid);
+ fidp = get_fid(pdu->s, fid);
if (fidp == NULL) {
err = -EINVAL;
- goto out;
+ goto out_nofid;
}
v9fs_string_sprintf(&fullname, "%s/%s", fidp->path.data, name.data);
}
} else if (perm & P9_STAT_MODE_LINK) {
int32_t nfid = atoi(extension.data);
- V9fsFidState *nfidp = lookup_fid(pdu->s, nfid);
+ V9fsFidState *nfidp = get_fid(pdu->s, nfid);
if (nfidp == NULL) {
err = -EINVAL;
goto out;
}
err = v9fs_co_link(pdu->s, &nfidp->path, &fullname);
if (err < 0) {
+ put_fid(pdu->s, nfidp);
goto out;
}
+ put_fid(pdu->s, nfidp);
} else if (perm & P9_STAT_MODE_DEVICE) {
char ctype;
uint32_t major, minor;
goto out;
}
fidp->fid_type = P9_FID_FILE;
+ fidp->open_flags = omode_to_uflags(mode);
+ if (fidp->open_flags & O_EXCL) {
+ /*
+ * We let the host file system do O_EXCL check
+ * We should not reclaim such fd
+ */
+ fidp->flags |= FID_NON_RECLAIMABLE;
+ }
}
err = v9fs_co_lstat(pdu->s, &fullname, &stbuf);
if (err < 0) {
fidp->fid_type = P9_FID_NONE;
if (fidp->fs.fd) {
- close(fidp->fs.fd);
+ v9fs_co_close(pdu->s, fidp->fs.fd);
}
goto out;
}
offset += pdu_marshal(pdu, offset, "Qd", &qid, iounit);
err = offset;
out:
+ put_fid(pdu->s, fidp);
+out_nofid:
complete_pdu(pdu->s, pdu, err);
v9fs_string_free(&name);
v9fs_string_free(&extension);
v9fs_string_init(&fullname);
pdu_unmarshal(pdu, offset, "dssd", &dfid, &name, &symname, &gid);
- dfidp = lookup_fid(pdu->s, dfid);
+ dfidp = get_fid(pdu->s, dfid);
if (dfidp == NULL) {
err = -EINVAL;
- goto out;
+ goto out_nofid;
}
v9fs_string_sprintf(&fullname, "%s/%s", dfidp->path.data, name.data);
offset += pdu_marshal(pdu, offset, "Q", &qid);
err = offset;
out:
+ put_fid(pdu->s, dfidp);
+out_nofid:
complete_pdu(pdu->s, pdu, err);
v9fs_string_free(&name);
v9fs_string_free(&symname);
pdu_unmarshal(pdu, offset, "dds", &dfid, &oldfid, &name);
- dfidp = lookup_fid(s, dfid);
+ dfidp = get_fid(s, dfid);
if (dfidp == NULL) {
err = -ENOENT;
- goto out;
+ goto out_nofid;
}
- oldfidp = lookup_fid(s, oldfid);
+ oldfidp = get_fid(s, oldfid);
if (oldfidp == NULL) {
err = -ENOENT;
goto out;
v9fs_string_free(&fullname);
out:
+ put_fid(s, dfidp);
+out_nofid:
v9fs_string_free(&name);
complete_pdu(s, pdu, err);
}
pdu_unmarshal(pdu, offset, "d", &fid);
- fidp = lookup_fid(pdu->s, fid);
+ fidp = get_fid(pdu->s, fid);
if (fidp == NULL) {
err = -EINVAL;
- goto out;
+ goto out_nofid;
+ }
+ /*
+ * IF the file is unlinked, we cannot reopen
+ * the file later. So don't reclaim fd
+ */
+ err = v9fs_mark_fids_unreclaim(pdu->s, &fidp->path);
+ if (err < 0) {
+ goto out_err;
}
err = v9fs_co_remove(pdu->s, &fidp->path);
if (!err) {
err = offset;
}
-
+out_err:
/* For TREMOVE we need to clunk the fid even on failed remove */
- free_fid(pdu->s, fidp->fid);
-out:
+ clunk_fid(pdu->s, fidp->fid);
+ put_fid(pdu->s, fidp);
+out_nofid:
complete_pdu(pdu->s, pdu, err);
}
{
char *end;
int err = 0;
+ V9fsFidState *dirfidp = NULL;
char *old_name, *new_name;
if (newdirfid != -1) {
- V9fsFidState *dirfidp;
- dirfidp = lookup_fid(s, newdirfid);
+ dirfidp = get_fid(s, newdirfid);
if (dirfidp == NULL) {
err = -ENOENT;
- goto out;
+ goto out_nofid;
}
BUG_ON(dirfidp->fid_type != P9_FID_NONE);
v9fs_string_copy(&fidp->path, name);
}
out:
+ if (dirfidp) {
+ put_fid(s, dirfidp);
+ }
+out_nofid:
return err;
}
pdu_unmarshal(pdu, offset, "dds", &fid, &newdirfid, &name);
- fidp = lookup_fid(s, fid);
+ fidp = get_fid(s, fid);
if (fidp == NULL) {
err = -ENOENT;
- goto out;
+ goto out_nofid;
}
BUG_ON(fidp->fid_type != P9_FID_NONE);
if (!err) {
err = offset;
}
-out:
+ put_fid(s, fidp);
+out_nofid:
complete_pdu(s, pdu, err);
v9fs_string_free(&name);
}
V9fsState *s = pdu->s;
pdu_unmarshal(pdu, offset, "dwS", &fid, &unused, &v9stat);
- fidp = lookup_fid(s, fid);
+
+ fidp = get_fid(s, fid);
if (fidp == NULL) {
err = -EINVAL;
- goto out;
+ goto out_nofid;
}
/* do we need to sync the file? */
if (donttouch_stat(&v9stat)) {
}
err = offset;
out:
+ put_fid(s, fidp);
+out_nofid:
v9fs_stat_free(&v9stat);
complete_pdu(s, pdu, err);
}
V9fsState *s = pdu->s;
pdu_unmarshal(pdu, offset, "d", &fid);
- fidp = lookup_fid(s, fid);
+ fidp = get_fid(s, fid);
if (fidp == NULL) {
retval = -ENOENT;
- goto out;
+ goto out_nofid;
}
retval = v9fs_co_statfs(s, &fidp->path, &stbuf);
if (retval < 0) {
retval = offset;
retval += v9fs_fill_statfs(s, pdu, &stbuf);
out:
+ put_fid(s, fidp);
+out_nofid:
complete_pdu(s, pdu, retval);
return;
}
pdu_unmarshal(pdu, offset, "dsdddd", &fid, &name, &mode,
&major, &minor, &gid);
- fidp = lookup_fid(s, fid);
+ fidp = get_fid(s, fid);
if (fidp == NULL) {
err = -ENOENT;
- goto out;
+ goto out_nofid;
}
v9fs_string_sprintf(&fullname, "%s/%s", fidp->path.data, name.data);
err = v9fs_co_mknod(s, &fullname, fidp->uid, gid,
err = offset;
err += pdu_marshal(pdu, offset, "Q", &qid);
out:
+ put_fid(s, fidp);
+out_nofid:
complete_pdu(s, pdu, err);
v9fs_string_free(&fullname);
v9fs_string_free(&name);
/* We support only block flag now (that too ignored currently) */
if (flock->flags & ~P9_LOCK_FLAGS_BLOCK) {
err = -EINVAL;
- goto out;
+ goto out_nofid;
}
- fidp = lookup_fid(s, fid);
+ fidp = get_fid(s, fid);
if (fidp == NULL) {
err = -ENOENT;
- goto out;
+ goto out_nofid;
}
err = v9fs_co_fstat(s, fidp->fs.fd, &stbuf);
if (err < 0) {
}
status = P9_LOCK_SUCCESS;
out:
+ put_fid(s, fidp);
+out_nofid:
err = offset;
err += pdu_marshal(pdu, offset, "b", status);
complete_pdu(s, pdu, err);
&glock->start, &glock->length, &glock->proc_id,
&glock->client_id);
- fidp = lookup_fid(s, fid);
+ fidp = get_fid(s, fid);
if (fidp == NULL) {
err = -ENOENT;
- goto out;
+ goto out_nofid;
}
err = v9fs_co_fstat(s, fidp->fs.fd, &stbuf);
if (err < 0) {
&glock->client_id);
err = offset;
out:
+ put_fid(s, fidp);
+out_nofid:
complete_pdu(s, pdu, err);
g_free(glock);
}
v9fs_string_init(&fullname);
pdu_unmarshal(pdu, offset, "dsdd", &fid, &name, &mode, &gid);
- fidp = lookup_fid(pdu->s, fid);
+ fidp = get_fid(pdu->s, fid);
if (fidp == NULL) {
err = -ENOENT;
- goto out;
+ goto out_nofid;
}
v9fs_string_sprintf(&fullname, "%s/%s", fidp->path.data, name.data);
err = v9fs_co_mkdir(pdu->s, fullname.data, mode, fidp->uid, gid);
offset += pdu_marshal(pdu, offset, "Q", &qid);
err = offset;
out:
+ put_fid(pdu->s, fidp);
+out_nofid:
complete_pdu(pdu->s, pdu, err);
v9fs_string_free(&fullname);
v9fs_string_free(&name);
size_t offset = 7;
int32_t fid, newfid;
V9fsFidState *file_fidp;
- V9fsFidState *xattr_fidp;
+ V9fsFidState *xattr_fidp = NULL;
V9fsPDU *pdu = opaque;
V9fsState *s = pdu->s;
pdu_unmarshal(pdu, offset, "dds", &fid, &newfid, &name);
- file_fidp = lookup_fid(s, fid);
+ file_fidp = get_fid(s, fid);
if (file_fidp == NULL) {
err = -ENOENT;
- goto out;
+ goto out_nofid;
}
xattr_fidp = alloc_fid(s, newfid);
if (xattr_fidp == NULL) {
size = v9fs_co_llistxattr(s, &xattr_fidp->path, NULL, 0);
if (size < 0) {
err = size;
- free_fid(s, xattr_fidp->fid);
+ clunk_fid(s, xattr_fidp->fid);
goto out;
}
/*
xattr_fidp->fs.xattr.value,
xattr_fidp->fs.xattr.len);
if (err < 0) {
- free_fid(s, xattr_fidp->fid);
+ clunk_fid(s, xattr_fidp->fid);
goto out;
}
}
&name, NULL, 0);
if (size < 0) {
err = size;
- free_fid(s, xattr_fidp->fid);
+ clunk_fid(s, xattr_fidp->fid);
goto out;
}
/*
&name, xattr_fidp->fs.xattr.value,
xattr_fidp->fs.xattr.len);
if (err < 0) {
- free_fid(s, xattr_fidp->fid);
+ clunk_fid(s, xattr_fidp->fid);
goto out;
}
}
err = offset;
}
out:
+ put_fid(s, file_fidp);
+ if (xattr_fidp) {
+ put_fid(s, xattr_fidp);
+ }
+out_nofid:
complete_pdu(s, pdu, err);
v9fs_string_free(&name);
}
pdu_unmarshal(pdu, offset, "dsqd",
&fid, &name, &size, &flags);
- file_fidp = lookup_fid(s, fid);
+ file_fidp = get_fid(s, fid);
if (file_fidp == NULL) {
err = -EINVAL;
- goto out;
+ goto out_nofid;
}
/* Make the file fid point to xattr */
xattr_fidp = file_fidp;
xattr_fidp->fs.xattr.value = NULL;
}
err = offset;
-out:
+ put_fid(s, file_fidp);
+out_nofid:
complete_pdu(s, pdu, err);
v9fs_string_free(&name);
}
V9fsFidState *fidp;
pdu_unmarshal(pdu, offset, "d", &fid);
- fidp = lookup_fid(pdu->s, fid);
+ fidp = get_fid(pdu->s, fid);
if (fidp == NULL) {
err = -ENOENT;
- goto out;
+ goto out_nofid;
}
v9fs_string_init(&target);
err = offset;
v9fs_string_free(&target);
out:
+ put_fid(pdu->s, fidp);
+out_nofid:
complete_pdu(pdu->s, pdu, err);
}
}
free_pdu(s, pdu);
}
+
+void virtio_9p_set_fd_limit(void)
+{
+ struct rlimit rlim;
+ if (getrlimit(RLIMIT_NOFILE, &rlim) < 0) {
+ fprintf(stderr, "Failed to get the resource limit\n");
+ exit(1);
+ }
+ open_fd_hw = rlim.rlim_cur - MIN(400, rlim.rlim_cur/3);
+ open_fd_rc = rlim.rlim_cur/2;
+}
#include <dirent.h>
#include <sys/time.h>
#include <utime.h>
+#include <sys/resource.h>
#include "hw/virtio.h"
#include "fsdev/file-op-9p.h"
#define P9_NOTAG (u16)(~0)
#define P9_NOFID (u32)(~0)
#define P9_MAXWELEM 16
+
+#define FID_REFERENCED 0x1
+#define FID_NON_RECLAIMABLE 0x2
static inline const char *rpath(FsContext *ctx, const char *path, char *buffer)
{
snprintf(buffer, PATH_MAX, "%s/%s", ctx->fs_root, path);
int32_t fid;
V9fsString path;
union {
- int fd;
- DIR *dir;
- V9fsXattr xattr;
+ int fd;
+ DIR *dir;
+ V9fsXattr xattr;
} fs;
+ union {
+ int fd;
+ DIR *dir;
+ } fs_reclaim;
+ int flags;
+ int open_flags;
uid_t uid;
+ int ref;
+ int clunked;
V9fsFidState *next;
+ V9fsFidState *rclm_lst;
};
typedef struct V9fsState
V9fsString client_id;
} V9fsGetlock;
+extern int open_fd_hw;
+extern int total_open_fd;
+
size_t pdu_packunpack(void *addr, struct iovec *sg, int sg_count,
size_t offset, size_t size, int pack);
}
extern void handle_9p_output(VirtIODevice *vdev, VirtQueue *vq);
+extern void virtio_9p_set_fd_limit(void);
+extern void v9fs_reclaim_fd(V9fsState *s);
#endif
PCIBus *bus;
MemoryRegion apb_config;
MemoryRegion pci_config;
+ MemoryRegion pci_mmio;
MemoryRegion pci_ioport;
uint32_t iommu[4];
uint32_t pci_control[16];
sysbus_mmio_map(s, 2, special_base + 0x2000000ULL);
d = FROM_SYSBUS(APBState, s);
+ memory_region_init(&d->pci_mmio, "pci-mmio", 0x100000000ULL);
+ memory_region_add_subregion(get_system_memory(), mem_base, &d->pci_mmio);
+
d->bus = pci_register_bus(&d->busdev.qdev, "pci",
- pci_apb_set_irq, pci_pbm_map_irq, d,
- get_system_memory(),
- get_system_io(),
- 0, 32);
- pci_bus_set_mem_base(d->bus, mem_base);
+ pci_apb_set_irq, pci_pbm_map_irq, d,
+ &d->pci_mmio,
+ get_system_io(),
+ 0, 32);
for (i = 0; i < 32; i++) {
sysbus_connect_irq(s, i, pic[i]);
FW_CFG_DPRINTF("write %d\n", value);
- if (s->cur_entry & FW_CFG_WRITE_CHANNEL && s->cur_offset < e->len) {
+ if (s->cur_entry & FW_CFG_WRITE_CHANNEL && e->callback &&
+ s->cur_offset < e->len) {
e->data[s->cur_offset++] = value;
if (s->cur_offset == e->len) {
e->callback(e->callback_opaque, e->data);
return kernel_entry;
}
+static void malta_mips_config(CPUState *env)
+{
+ env->mvp->CP0_MVPConf0 |= ((smp_cpus - 1) << CP0MVPC0_PVPE) |
+ ((smp_cpus * env->nr_threads - 1) << CP0MVPC0_PTC);
+}
+
static void main_cpu_reset(void *opaque)
{
CPUState *env = opaque;
if (loaderparams.kernel_filename) {
env->CP0_Status &= ~((1 << CP0St_BEV) | (1 << CP0St_ERL));
}
+
+ malta_mips_config(env);
}
static void cpu_request_exit(void *opaque, int irq, int level)
cpu_model = "24Kf";
#endif
}
- env = cpu_init(cpu_model);
- if (!env) {
- fprintf(stderr, "Unable to find CPU definition\n");
- exit(1);
+
+ for (i = 0; i < smp_cpus; i++) {
+ env = cpu_init(cpu_model);
+ if (!env) {
+ fprintf(stderr, "Unable to find CPU definition\n");
+ exit(1);
+ }
+ /* Init internal devices */
+ cpu_mips_irq_init_cpu(env);
+ cpu_mips_clock_init(env);
+ qemu_register_reset(main_cpu_reset, env);
}
- qemu_register_reset(main_cpu_reset, env);
+ env = first_cpu;
/* allocate RAM */
if (ram_size > (256 << 20)) {
.name = "malta",
.desc = "MIPS Malta Core LV",
.init = mips_malta_init,
+ .max_cpus = 16,
.is_default = 1,
};
sh_intc_register_source(desc, vect->enum_id, groups, nr_groups);
s = sh_intc_source(desc, vect->enum_id);
- if (s)
- s->vect = vect->vect;
+ if (s) {
+ s->vect = vect->vect;
#ifdef DEBUG_INTC_SOURCES
- printf("sh_intc: registered source %d -> 0x%04x (%d/%d)\n",
- vect->enum_id, s->vect, s->enable_count, s->enable_max);
+ printf("sh_intc: registered source %d -> 0x%04x (%d/%d)\n",
+ vect->enum_id, s->vect, s->enable_count, s->enable_max);
#endif
+ }
}
if (groups) {
for (i = 0; i < 15; i++) {
s->rx_config[i] = s->tx_config[i] = 0;
}
+ musb_reset(s->musb);
}
static int tusb6010_init(SysBusDevice *dev)
{
TUSBState *s = FROM_SYSBUS(TUSBState, dev);
- qemu_irq *musb_irqs;
- int i;
s->otg_timer = qemu_new_timer_ns(vm_clock, tusb_otg_tick, s);
s->pwr_timer = qemu_new_timer_ns(vm_clock, tusb_power_tick, s);
memory_region_init_io(&s->iomem[1], &tusb_async_ops, s, "tusb-async",
sysbus_init_mmio_region(dev, &s->iomem[0]);
sysbus_init_mmio_region(dev, &s->iomem[1]);
sysbus_init_irq(dev, &s->irq);
- qdev_init_gpio_in(&dev->qdev, tusb6010_irq, __musb_irq_max + 1);
- musb_irqs = g_new0(qemu_irq, __musb_irq_max);
- for (i = 0; i < __musb_irq_max; i++) {
- musb_irqs[i] = qdev_get_gpio_in(&dev->qdev, i + 1);
- }
- s->musb = musb_init(musb_irqs);
+ qdev_init_gpio_in(&dev->qdev, tusb6010_irq, musb_irq_max + 1);
+ s->musb = musb_init(&dev->qdev, 1);
return 0;
}
#include "qdev.h"
#include "sysemu.h"
#include "monitor.h"
+#include "trace.h"
static void usb_bus_dev_print(Monitor *mon, DeviceState *qdev, int indent);
dev->info = info;
dev->auto_attach = 1;
QLIST_INIT(&dev->strings);
- rc = dev->info->init(dev);
- if (rc == 0 && dev->auto_attach)
+ rc = usb_claim_port(dev);
+ if (rc == 0) {
+ rc = dev->info->init(dev);
+ }
+ if (rc == 0 && dev->auto_attach) {
rc = usb_device_attach(dev);
+ }
return rc;
}
if (dev->info->handle_destroy) {
dev->info->handle_destroy(dev);
}
+ if (dev->port) {
+ usb_release_port(dev);
+ }
return 0;
}
bus->nfree--;
}
-static int do_attach(USBDevice *dev)
+int usb_claim_port(USBDevice *dev)
{
USBBus *bus = usb_bus_from_device(dev);
USBPort *port;
- if (dev->attached) {
- error_report("Error: tried to attach usb device %s twice\n",
- dev->product_desc);
- return -1;
- }
- if (bus->nfree == 0) {
- error_report("Error: tried to attach usb device %s to a bus with no free ports\n",
- dev->product_desc);
- return -1;
- }
+ assert(dev->port == NULL);
+
if (dev->port_path) {
QTAILQ_FOREACH(port, &bus->free, next) {
if (strcmp(port->path, dev->port_path) == 0) {
}
}
if (port == NULL) {
- error_report("Error: usb port %s (bus %s) not found\n",
- dev->port_path, bus->qbus.name);
+ error_report("Error: usb port %s (bus %s) not found (in use?)\n",
+ dev->port_path, bus->qbus.name);
return -1;
}
} else {
+ if (bus->nfree == 1 && strcmp(dev->qdev.info->name, "usb-hub") != 0) {
+ /* Create a new hub and chain it on */
+ usb_create_simple(bus, "usb-hub");
+ }
+ if (bus->nfree == 0) {
+ error_report("Error: tried to attach usb device %s to a bus "
+ "with no free ports\n", dev->product_desc);
+ return -1;
+ }
port = QTAILQ_FIRST(&bus->free);
}
- if (!(port->speedmask & dev->speedmask)) {
- error_report("Warning: speed mismatch trying to attach usb device %s to bus %s\n",
- dev->product_desc, bus->qbus.name);
- return -1;
- }
+ trace_usb_port_claim(bus->busnr, port->path);
- dev->attached++;
QTAILQ_REMOVE(&bus->free, port, next);
bus->nfree--;
- usb_attach(port, dev);
+ dev->port = port;
+ port->dev = dev;
QTAILQ_INSERT_TAIL(&bus->used, port, next);
bus->nused++;
-
return 0;
}
-int usb_device_attach(USBDevice *dev)
+void usb_release_port(USBDevice *dev)
{
USBBus *bus = usb_bus_from_device(dev);
+ USBPort *port = dev->port;
- if (bus->nfree == 1 && dev->port_path == NULL) {
- /* Create a new hub and chain it on
- (unless a physical port location is specified). */
- usb_create_simple(bus, "usb-hub");
- }
- return do_attach(dev);
+ assert(port != NULL);
+ trace_usb_port_release(bus->busnr, port->path);
+
+ QTAILQ_REMOVE(&bus->used, port, next);
+ bus->nused--;
+
+ dev->port = NULL;
+ port->dev = NULL;
+
+ QTAILQ_INSERT_TAIL(&bus->free, port, next);
+ bus->nfree++;
}
-int usb_device_detach(USBDevice *dev)
+int usb_device_attach(USBDevice *dev)
{
USBBus *bus = usb_bus_from_device(dev);
- USBPort *port;
+ USBPort *port = dev->port;
- if (!dev->attached) {
- error_report("Error: tried to detach unattached usb device %s\n",
- dev->product_desc);
+ assert(port != NULL);
+ assert(!dev->attached);
+ trace_usb_port_attach(bus->busnr, port->path);
+
+ if (!(port->speedmask & dev->speedmask)) {
+ error_report("Warning: speed mismatch trying to attach "
+ "usb device %s to bus %s\n",
+ dev->product_desc, bus->qbus.name);
return -1;
}
- dev->attached--;
- QTAILQ_FOREACH(port, &bus->used, next) {
- if (port->dev == dev)
- break;
- }
- assert(port != NULL);
+ dev->attached++;
+ usb_attach(port);
- QTAILQ_REMOVE(&bus->used, port, next);
- bus->nused--;
+ return 0;
+}
+
+int usb_device_detach(USBDevice *dev)
+{
+ USBBus *bus = usb_bus_from_device(dev);
+ USBPort *port = dev->port;
- usb_attach(port, NULL);
+ assert(port != NULL);
+ assert(dev->attached);
+ trace_usb_port_detach(bus->busnr, port->path);
- QTAILQ_INSERT_TAIL(&bus->free, port, next);
- bus->nfree++;
+ usb_detach(port);
+ dev->attached--;
return 0;
}
#include "qemu-common.h"
#include "qemu-error.h"
#include "usb.h"
+#include "usb-desc.h"
#include "monitor.h"
#include "hw/ccid.h"
* 0dc3:1004 Athena Smartcard Solutions, Inc.
*/
-static const uint8_t qemu_ccid_dev_descriptor[] = {
- 0x12, /* u8 bLength; */
- USB_DT_DEVICE, /* u8 bDescriptorType; Device */
- 0x10, 0x01, /* u16 bcdUSB; v1.1 */
-
- 0x00, /* u8 bDeviceClass; */
- 0x00, /* u8 bDeviceSubClass; */
- 0x00, /* u8 bDeviceProtocol; [ low/full speeds only ] */
- 0x40, /* u8 bMaxPacketSize0; 8 Bytes (valid: 8,16,32,64) */
-
- /* Vendor and product id are arbitrary. */
- /* u16 idVendor */
- CCID_VENDOR_ID & 0xff, CCID_VENDOR_ID >> 8,
- /* u16 idProduct */
- CCID_PRODUCT_ID & 0xff, CCID_PRODUCT_ID >> 8,
- /* u16 bcdDevice */
- CCID_DEVICE_VERSION & 0xff, CCID_DEVICE_VERSION >> 8,
- 0x01, /* u8 iManufacturer; */
- 0x02, /* u8 iProduct; */
- 0x03, /* u8 iSerialNumber; */
- 0x01, /* u8 bNumConfigurations; */
-};
-
-static const uint8_t qemu_ccid_config_descriptor[] = {
-
- /* one configuration */
- 0x09, /* u8 bLength; */
- USB_DT_CONFIG, /* u8 bDescriptorType; Configuration */
- 0x5d, 0x00, /* u16 wTotalLength; 9+9+54+7+7+7 */
- 0x01, /* u8 bNumInterfaces; (1) */
- 0x01, /* u8 bConfigurationValue; */
- 0x00, /* u8 iConfiguration; */
- 0xe0, /* u8 bmAttributes;
- Bit 7: must be set,
- 6: Self-powered,
- 5: Remote wakeup,
- 4..0: resvd */
- 100/2, /* u8 MaxPower; 50 == 100mA */
-
- /* one interface */
- 0x09, /* u8 if_bLength; */
- USB_DT_INTERFACE, /* u8 if_bDescriptorType; Interface */
- 0x00, /* u8 if_bInterfaceNumber; */
- 0x00, /* u8 if_bAlternateSetting; */
- 0x03, /* u8 if_bNumEndpoints; */
- 0x0b, /* u8 if_bInterfaceClass; Smart Card Device Class */
- 0x00, /* u8 if_bInterfaceSubClass; Subclass code */
- 0x00, /* u8 if_bInterfaceProtocol; Protocol code */
- 0x04, /* u8 if_iInterface; Index of string descriptor */
-
+static const uint8_t qemu_ccid_descriptor[] = {
/* Smart Card Device Class Descriptor */
0x36, /* u8 bLength; */
0x21, /* u8 bDescriptorType; Functional */
* 02h PIN Modification
*/
0x01, /* u8 bMaxCCIDBusySlots; */
+};
- /* Interrupt-IN endpoint */
- 0x07, /* u8 ep_bLength; */
- /* u8 ep_bDescriptorType; Endpoint */
- USB_DT_ENDPOINT,
- /* u8 ep_bEndpointAddress; IN Endpoint 1 */
- 0x80 | CCID_INT_IN_EP,
- 0x03, /* u8 ep_bmAttributes; Interrupt */
- /* u16 ep_wMaxPacketSize; */
- CCID_MAX_PACKET_SIZE & 0xff, (CCID_MAX_PACKET_SIZE >> 8),
- 0xff, /* u8 ep_bInterval; */
-
- /* Bulk-In endpoint */
- 0x07, /* u8 ep_bLength; */
- /* u8 ep_bDescriptorType; Endpoint */
- USB_DT_ENDPOINT,
- /* u8 ep_bEndpointAddress; IN Endpoint 2 */
- 0x80 | CCID_BULK_IN_EP,
- 0x02, /* u8 ep_bmAttributes; Bulk */
- 0x40, 0x00, /* u16 ep_wMaxPacketSize; */
- 0x00, /* u8 ep_bInterval; */
-
- /* Bulk-Out endpoint */
- 0x07, /* u8 ep_bLength; */
- /* u8 ep_bDescriptorType; Endpoint */
- USB_DT_ENDPOINT,
- /* u8 ep_bEndpointAddress; OUT Endpoint 3 */
- CCID_BULK_OUT_EP,
- 0x02, /* u8 ep_bmAttributes; Bulk */
- 0x40, 0x00, /* u16 ep_wMaxPacketSize; */
- 0x00, /* u8 ep_bInterval; */
+enum {
+ STR_MANUFACTURER = 1,
+ STR_PRODUCT,
+ STR_SERIALNUMBER,
+ STR_INTERFACE,
+};
+static const USBDescStrings desc_strings = {
+ [STR_MANUFACTURER] = "QEMU " QEMU_VERSION,
+ [STR_PRODUCT] = "QEMU USB CCID",
+ [STR_SERIALNUMBER] = "1",
+ [STR_INTERFACE] = "CCID Interface",
+};
+
+static const USBDescIface desc_iface0 = {
+ .bInterfaceNumber = 0,
+ .bNumEndpoints = 3,
+ .bInterfaceClass = 0x0b,
+ .bInterfaceSubClass = 0x00,
+ .bInterfaceProtocol = 0x00,
+ .iInterface = STR_INTERFACE,
+ .ndesc = 1,
+ .descs = (USBDescOther[]) {
+ {
+ /* smartcard descriptor */
+ .data = qemu_ccid_descriptor,
+ },
+ },
+ .eps = (USBDescEndpoint[]) {
+ {
+ .bEndpointAddress = USB_DIR_IN | CCID_INT_IN_EP,
+ .bmAttributes = USB_ENDPOINT_XFER_INT,
+ .bInterval = 255,
+ .wMaxPacketSize = 64,
+ },{
+ .bEndpointAddress = USB_DIR_IN | CCID_BULK_IN_EP,
+ .bmAttributes = USB_ENDPOINT_XFER_BULK,
+ .wMaxPacketSize = 64,
+ },{
+ .bEndpointAddress = USB_DIR_OUT | CCID_BULK_OUT_EP,
+ .bmAttributes = USB_ENDPOINT_XFER_BULK,
+ .wMaxPacketSize = 64,
+ },
+ }
+};
+
+static const USBDescDevice desc_device = {
+ .bcdUSB = 0x0110,
+ .bMaxPacketSize0 = 64,
+ .bNumConfigurations = 1,
+ .confs = (USBDescConfig[]) {
+ {
+ .bNumInterfaces = 1,
+ .bConfigurationValue = 1,
+ .bmAttributes = 0xa0,
+ .bMaxPower = 50,
+ .nif = 1,
+ .ifs = &desc_iface0,
+ },
+ },
+};
+
+static const USBDesc desc_ccid = {
+ .id = {
+ .idVendor = CCID_VENDOR_ID,
+ .idProduct = CCID_PRODUCT_ID,
+ .bcdDevice = CCID_DEVICE_VERSION,
+ .iManufacturer = STR_MANUFACTURER,
+ .iProduct = STR_PRODUCT,
+ .iSerialNumber = STR_SERIALNUMBER,
+ },
+ .full = &desc_device,
+ .str = desc_strings,
};
static bool ccid_has_pending_answers(USBCCIDState *s)
int ret = 0;
DPRINTF(s, 1, "got control %x, value %x\n", request, value);
+ ret = usb_desc_handle_control(dev, p, request, value, index, length, data);
+ if (ret >= 0) {
+ return ret;
+ }
+
switch (request) {
- case DeviceRequest | USB_REQ_GET_STATUS:
- data[0] = (1 << USB_DEVICE_SELF_POWERED) |
- (dev->remote_wakeup << USB_DEVICE_REMOTE_WAKEUP);
- data[1] = 0x00;
- ret = 2;
- break;
- case DeviceOutRequest | USB_REQ_CLEAR_FEATURE:
- if (value == USB_DEVICE_REMOTE_WAKEUP) {
- dev->remote_wakeup = 0;
- } else {
- goto fail;
- }
- ret = 0;
- break;
- case DeviceOutRequest | USB_REQ_SET_FEATURE:
- if (value == USB_DEVICE_REMOTE_WAKEUP) {
- dev->remote_wakeup = 1;
- } else {
- goto fail;
- }
- ret = 0;
- break;
- case DeviceOutRequest | USB_REQ_SET_ADDRESS:
- dev->addr = value;
- ret = 0;
- break;
- case DeviceRequest | USB_REQ_GET_DESCRIPTOR:
- switch (value >> 8) {
- case USB_DT_DEVICE:
- memcpy(data, qemu_ccid_dev_descriptor,
- sizeof(qemu_ccid_dev_descriptor));
- ret = sizeof(qemu_ccid_dev_descriptor);
- break;
- case USB_DT_CONFIG:
- memcpy(data, qemu_ccid_config_descriptor,
- sizeof(qemu_ccid_config_descriptor));
- ret = sizeof(qemu_ccid_config_descriptor);
- break;
- case USB_DT_STRING:
- switch (value & 0xff) {
- case 0:
- /* language ids */
- data[0] = 4;
- data[1] = 3;
- data[2] = 0x09;
- data[3] = 0x04;
- ret = 4;
- break;
- case 1:
- /* vendor description */
- ret = set_usb_string(data, CCID_VENDOR_DESCRIPTION);
- break;
- case 2:
- /* product description */
- ret = set_usb_string(data, CCID_PRODUCT_DESCRIPTION);
- break;
- case 3:
- /* serial number */
- ret = set_usb_string(data, CCID_SERIAL_NUMBER_STRING);
- break;
- case 4:
- /* interface name */
- ret = set_usb_string(data, CCID_INTERFACE_NAME);
- break;
- default:
- goto fail;
- }
- break;
- default:
- goto fail;
- }
- break;
- case DeviceRequest | USB_REQ_GET_CONFIGURATION:
- data[0] = 1;
- ret = 1;
- break;
- case DeviceOutRequest | USB_REQ_SET_CONFIGURATION:
- /* Only one configuration - we just ignore the request */
- ret = 0;
- break;
case DeviceRequest | USB_REQ_GET_INTERFACE:
data[0] = 0;
ret = 1;
case InterfaceOutRequest | USB_REQ_SET_INTERFACE:
ret = 0;
break;
- case EndpointOutRequest | USB_REQ_CLEAR_FEATURE:
- ret = 0;
- break;
/* Class specific requests. */
case InterfaceOutClass | CCID_CONTROL_ABORT:
ret = USB_RET_STALL;
break;
default:
-fail:
DPRINTF(s, 1, "got unsupported/bogus control %x, value %x\n",
request, value);
ret = USB_RET_STALL;
s->bmSlotICCState |= SLOT_0_CHANGED_MASK;
}
s->notify_slot_change = true;
+ usb_wakeup(&s->dev);
}
static void ccid_write_data_block_error(
break;
default:
DPRINTF(s, 1, "Bad endpoint\n");
+ ret = USB_RET_STALL;
break;
}
break;
{
USBCCIDState *s = DO_UPCAST(USBCCIDState, dev, dev);
+ usb_desc_init(dev);
qbus_create_inplace(&s->bus.qbus, &ccid_bus_info, &dev->qdev, NULL);
s->bus.qbus.allow_hotplug = 1;
s->card = NULL;
.qdev.desc = "CCID Rev 1.1 smartcard reader",
.qdev.size = sizeof(USBCCIDState),
.init = ccid_initfn,
+ .usb_desc = &desc_ccid,
.handle_packet = usb_generic_handle_packet,
.handle_reset = ccid_handle_reset,
.handle_control = ccid_handle_control,
struct USBDescOther {
uint8_t length;
- uint8_t *data;
+ const uint8_t *data;
};
typedef const char *USBDescStrings[256];
EST_FETCHENTRY,
EST_FETCHQH,
EST_FETCHITD,
+ EST_FETCHSITD,
EST_ADVANCEQUEUE,
EST_FETCHQTD,
EST_EXECUTE,
get_field(itd->bufptr[0], ITD_BUFPTR_DEVADDR));
}
+static void ehci_trace_sitd(EHCIState *s, target_phys_addr_t addr,
+ EHCIsitd *sitd)
+{
+ trace_usb_ehci_sitd(addr, sitd->next,
+ (bool)(sitd->results & SITD_RESULTS_ACTIVE));
+}
+
/* queue management */
static EHCIQueue *ehci_alloc_queue(EHCIState *ehci, int async)
*/
for(i = 0; i < NB_PORTS; i++) {
devs[i] = s->ports[i].dev;
- if (devs[i]) {
- usb_attach(&s->ports[i], NULL);
+ if (devs[i] && devs[i]->attached) {
+ usb_detach(&s->ports[i]);
}
}
} else {
s->portsc[i] = PORTSC_PPOWER;
}
- if (devs[i]) {
- usb_attach(&s->ports[i], devs[i]);
+ if (devs[i] && devs[i]->attached) {
+ usb_attach(&s->ports[i]);
}
}
ehci_queues_rip_all(s);
return;
}
- if (dev) {
- usb_attach(&s->ports[port], NULL);
+ if (dev && dev->attached) {
+ usb_detach(&s->ports[port]);
}
*portsc &= ~PORTSC_POWNER;
*portsc |= owner;
- if (dev) {
- usb_attach(&s->ports[port], dev);
+ if (dev && dev->attached) {
+ usb_attach(&s->ports[port]);
}
}
if (!(val & PORTSC_PRESET) &&(*portsc & PORTSC_PRESET)) {
trace_usb_ehci_port_reset(port, 0);
- if (dev) {
- usb_attach(&s->ports[port], dev);
+ if (dev && dev->attached) {
+ usb_attach(&s->ports[port]);
usb_send_msg(dev, USB_MSG_RESET);
*portsc &= ~PORTSC_CSC;
}
* Table 2.16 Set the enable bit(and enable bit change) to indicate
* to SW that this port has a high speed device attached
*/
- if (dev && (dev->speedmask & USB_SPEED_MASK_HIGH)) {
+ if (dev && dev->attached && (dev->speedmask & USB_SPEED_MASK_HIGH)) {
val |= PORTSC_PED;
}
}
again = 1;
break;
+ case NLPTR_TYPE_STITD:
+ ehci_set_state(ehci, async, EST_FETCHSITD);
+ again = 1;
+ break;
+
default:
- // TODO: handle siTD and FSTN types
+ /* TODO: handle FSTN type */
fprintf(stderr, "FETCHENTRY: entry at %X is of type %d "
"which is not supported yet\n", entry, NLPTR_TYPE_GET(entry));
return -1;
return 1;
}
+static int ehci_state_fetchsitd(EHCIState *ehci, int async)
+{
+ uint32_t entry;
+ EHCIsitd sitd;
+
+ assert(!async);
+ entry = ehci_get_fetch_addr(ehci, async);
+
+ get_dwords(NLPTR_GET(entry), (uint32_t *)&sitd,
+ sizeof(EHCIsitd) >> 2);
+ ehci_trace_sitd(ehci, entry, &sitd);
+
+ if (!(sitd.results & SITD_RESULTS_ACTIVE)) {
+ /* siTD is not active, nothing to do */;
+ } else {
+ /* TODO: split transfers are not implemented */
+ fprintf(stderr, "WARNING: Skipping active siTD\n");
+ }
+
+ ehci_set_fetch_addr(ehci, async, sitd.next);
+ ehci_set_state(ehci, async, EST_FETCHENTRY);
+ return 1;
+}
+
/* Section 4.10.2 - paragraph 3 */
static int ehci_state_advqueue(EHCIQueue *q, int async)
{
again = ehci_state_fetchitd(ehci, async);
break;
+ case EST_FETCHSITD:
+ again = ehci_state_fetchsitd(ehci, async);
+ break;
+
case EST_ADVANCEQUEUE:
again = ehci_state_advqueue(q, async);
break;
usb_packet_complete(&s->dev, packet);
}
-static void usb_hub_handle_attach(USBDevice *dev)
-{
- USBHubState *s = DO_UPCAST(USBHubState, dev, dev);
- int i;
-
- for (i = 0; i < NUM_PORTS; i++) {
- usb_port_location(&s->ports[i].port, dev->port, i+1);
- }
-}
-
static void usb_hub_handle_reset(USBDevice *dev)
{
/* XXX: do it */
usb_register_port(usb_bus_from_device(dev),
&port->port, s, i, &usb_hub_port_ops,
USB_SPEED_MASK_LOW | USB_SPEED_MASK_FULL);
+ usb_port_location(&port->port, dev->port, i+1);
port->wPortStatus = PORT_STAT_POWER;
port->wPortChange = 0;
}
.usb_desc = &desc_hub,
.init = usb_hub_initfn,
.handle_packet = usb_hub_handle_packet,
- .handle_attach = usb_hub_handle_attach,
.handle_reset = usb_hub_handle_reset,
.handle_control = usb_hub_handle_control,
.handle_data = usb_hub_handle_data,
};
struct MUSBState {
- qemu_irq *irqs;
+ qemu_irq irqs[musb_irq_max];
USBBus bus;
USBPort port;
MUSBEndPoint ep[16];
};
-struct MUSBState *musb_init(qemu_irq *irqs)
+void musb_reset(MUSBState *s)
{
- MUSBState *s = g_malloc0(sizeof(*s));
int i;
- s->irqs = irqs;
-
s->faddr = 0x00;
+ s->devctl = 0;
s->power = MGC_M_POWER_HSENAB;
s->tx_intr = 0x0000;
s->rx_intr = 0x0000;
s->mask = 0x06;
s->idx = 0;
+ s->setup_len = 0;
+ s->session = 0;
+ memset(s->buf, 0, sizeof(s->buf));
+
/* TODO: _DW */
s->ep[0].config = MGC_M_CONFIGDATA_SOFTCONE | MGC_M_CONFIGDATA_DYNFIFO;
for (i = 0; i < 16; i ++) {
usb_packet_init(&s->ep[i].packey[0].p);
usb_packet_init(&s->ep[i].packey[1].p);
}
+}
+
+struct MUSBState *musb_init(DeviceState *parent_device, int gpio_base)
+{
+ MUSBState *s = g_malloc0(sizeof(*s));
+ int i;
+
+ for (i = 0; i < musb_irq_max; i++) {
+ s->irqs[i] = qdev_get_gpio_in(parent_device, gpio_base + i);
+ }
+
+ musb_reset(s);
- usb_bus_new(&s->bus, &musb_bus_ops, NULL /* FIXME */);
+ usb_bus_new(&s->bus, &musb_bus_ops, parent_device);
usb_register_port(&s->bus, &s->port, s, 0, &musb_port_ops,
USB_SPEED_MASK_LOW | USB_SPEED_MASK_FULL);
{
port = &ohci->rhport[i];
port->ctrl = 0;
- if (port->port.dev) {
- usb_attach(&port->port, port->port.dev);
+ if (port->port.dev && port->port.dev->attached) {
+ usb_attach(&port->port);
}
}
if (ohci->async_td) {
for(i = 0; i < NB_PORTS; i++) {
port = &s->ports[i];
port->ctrl = 0x0080;
- if (port->port.dev) {
- usb_attach(&port->port, port->port.dev);
+ if (port->port.dev && port->port.dev->attached) {
+ usb_attach(&port->port);
}
}
for(i = 0; i < NB_PORTS; i++) {
port = &s->ports[i];
dev = port->port.dev;
- if (dev) {
+ if (dev && dev->attached) {
usb_send_msg(dev, USB_MSG_RESET);
}
}
return;
port = &s->ports[n];
dev = port->port.dev;
- if (dev) {
+ if (dev && dev->attached) {
/* port reset */
if ( (val & UHCI_PORT_RESET) &&
!(port->ctrl & UHCI_PORT_RESET) ) {
UHCIPort *port = &s->ports[i];
USBDevice *dev = port->port.dev;
- if (dev && (port->ctrl & UHCI_PORT_EN))
+ if (dev && dev->attached && (port->ctrl & UHCI_PORT_EN)) {
ret = usb_handle_packet(dev, p);
+ }
}
DPRINTF("uhci: packet exit. ret %d len %zd\n", ret, p->iov.size);
#include "usb.h"
#include "iov.h"
-void usb_attach(USBPort *port, USBDevice *dev)
+void usb_attach(USBPort *port)
{
- if (dev != NULL) {
- /* attach */
- if (port->dev) {
- usb_attach(port, NULL);
- }
- dev->port = port;
- port->dev = dev;
- port->ops->attach(port);
- usb_send_msg(dev, USB_MSG_ATTACH);
- } else {
- /* detach */
- dev = port->dev;
- assert(dev);
- port->ops->detach(port);
- usb_send_msg(dev, USB_MSG_DETACH);
- dev->port = NULL;
- port->dev = NULL;
- }
+ USBDevice *dev = port->dev;
+
+ assert(dev != NULL);
+ assert(dev->attached);
+ port->ops->attach(port);
+ usb_send_msg(dev, USB_MSG_ATTACH);
+}
+
+void usb_detach(USBPort *port)
+{
+ USBDevice *dev = port->dev;
+
+ assert(dev != NULL);
+ port->ops->detach(port);
+ usb_send_msg(dev, USB_MSG_DETACH);
}
void usb_wakeup(USBDevice *dev)
{
/* Note: p->owner != dev is possible in case dev is a hub */
assert(p->owner != NULL);
- dev->port->ops->complete(dev->port, p);
p->owner = NULL;
+ dev->port->ops->complete(dev->port, p);
}
/* Cancel an active packet. The packed must have been deferred by
void usb_packet_complete(USBDevice *dev, USBPacket *p);
void usb_cancel_packet(USBPacket * p);
-void usb_attach(USBPort *port, USBDevice *dev);
+void usb_attach(USBPort *port);
+void usb_detach(USBPort *port);
void usb_wakeup(USBDevice *dev);
int usb_generic_handle_packet(USBDevice *s, USBPacket *p);
void usb_generic_async_ctrl_complete(USBDevice *s, USBPacket *p);
musb_irq_tx,
musb_set_vbus,
musb_set_session,
- __musb_irq_max,
+ /* Add new interrupts here */
+ musb_irq_max, /* total number of interrupts defined */
};
typedef struct MUSBState MUSBState;
-MUSBState *musb_init(qemu_irq *irqs);
+MUSBState *musb_init(DeviceState *parent_device, int gpio_base);
+void musb_reset(MUSBState *s);
uint32_t musb_core_intr_get(MUSBState *s);
void musb_core_intr_clear(MUSBState *s, uint32_t mask);
void musb_set_size(MUSBState *s, int epnum, int size, int is_tx);
void *opaque, USBPortOps *ops, int speedmask);
void usb_port_location(USBPort *downstream, USBPort *upstream, int portnr);
void usb_unregister_port(USBBus *bus, USBPort *port);
+int usb_claim_port(USBDevice *dev);
+void usb_release_port(USBDevice *dev);
int usb_device_attach(USBDevice *dev);
int usb_device_detach(USBDevice *dev);
int usb_device_delete_addr(int busnr, int addr);
{
IOTrampoline *tramp = opaque;
- if (tramp->opaque == NULL) {
- return FALSE;
- }
-
if ((cond & G_IO_IN) && tramp->fd_read) {
tramp->fd_read(tramp->opaque);
}
if (tramp->tag != 0) {
g_io_channel_unref(tramp->chan);
g_source_remove(tramp->tag);
+ tramp->tag = 0;
}
- if (opaque) {
+ if (fd_read || fd_write || opaque) {
GIOCondition cond = 0;
tramp->fd_read = fd_read;
$(INSTALL_DIR) "$(DESTDIR)$(libcacard_includedir)"
$(INSTALL_DIR) "$(DESTDIR)$(bindir)"
$(LIBTOOL) --mode=install $(INSTALL_PROG) vscclient "$(DESTDIR)$(bindir)"
- $(LIBTOOL) --mode=install $(INSTALL_PROG) libcacard.la "$(DESTDIR)$(libdir)"
+ $(LIBTOOL) --mode=install $(INSTALL_DATA) libcacard.la "$(DESTDIR)$(libdir)"
$(LIBTOOL) --mode=install $(INSTALL_DATA) libcacard.pc "$(DESTDIR)$(libdir)/pkgconfig"
for inc in *.h; do \
$(LIBTOOL) --mode=install $(INSTALL_DATA) $(libcacard_srcpath)/$$inc "$(DESTDIR)$(libcacard_includedir)"; \
void helper_daa(void)
{
- int al, af, cf;
+ int old_al, al, af, cf;
int eflags;
eflags = helper_cc_compute_all(CC_OP);
cf = eflags & CC_C;
af = eflags & CC_A;
- al = EAX & 0xff;
+ old_al = al = EAX & 0xff;
eflags = 0;
if (((al & 0x0f) > 9 ) || af) {
al = (al + 6) & 0xff;
eflags |= CC_A;
}
- if ((al > 0x9f) || cf) {
+ if ((old_al > 0x99) || cf) {
al = (al + 0x60) & 0xff;
eflags |= CC_C;
}
if (!(env->CP0_Status & (1 << CP0St_IE)) ||
(env->CP0_Status & (1 << CP0St_EXL)) ||
(env->CP0_Status & (1 << CP0St_ERL)) ||
+ /* Note that the TCStatus IXMT field is initialized to zero,
+ and only MT capable cores can set it to one. So we don't
+ need to check for MT capabilities here. */
+ (env->active_tc.CP0_TCStatus & (1 << CP0TCSt_IXMT)) ||
(env->hflags & MIPS_HFLAG_DM)) {
/* Interrupts are disabled */
return 0;
/* Dummy exception for conditional stores. */
#define EXCP_SC 0x100
+/*
+ * This is an interrnally generated WAKE request line.
+ * It is driven by the CPU itself. Raised when the MT
+ * block wants to wake a VPE from an inactive state and
+ * cleared when VPE goes from active to inactive.
+ */
+#define CPU_INTERRUPT_WAKE CPU_INTERRUPT_TGT_INT_0
+
int cpu_mips_exec(CPUMIPSState *s);
CPUMIPSState *cpu_mips_init(const char *cpu_model);
//~ uint32_t cpu_mips_get_clock (void);
env->tls_value = newtls;
}
+static inline int mips_vpe_active(CPUState *env)
+{
+ int active = 1;
+
+ /* Check that the VPE is enabled. */
+ if (!(env->mvp->CP0_MVPControl & (1 << CP0MVPCo_EVP))) {
+ active = 0;
+ }
+ /* Check that the VPE is actived. */
+ if (!(env->CP0_VPEConf0 & (1 << CP0VPEC0_VPA))) {
+ active = 0;
+ }
+
+ /* Now verify that there are active thread contexts in the VPE.
+
+ This assumes the CPU model will internally reschedule threads
+ if the active one goes to sleep. If there are no threads available
+ the active one will be in a sleeping state, and we can turn off
+ the entire VPE. */
+ if (!(env->active_tc.CP0_TCStatus & (1 << CP0TCSt_A))) {
+ /* TC is not activated. */
+ active = 0;
+ }
+ if (env->active_tc.CP0_TCHalt & 1) {
+ /* TC is in halt state. */
+ active = 0;
+ }
+
+ return active;
+}
+
static inline int cpu_has_work(CPUState *env)
{
int has_work = 0;
has_work = 1;
}
+ /* MIPS-MT has the ability to halt the CPU. */
+ if (env->CP0_Config3 & (1 << CP0C3_MT)) {
+ /* The QEMU model will issue an _WAKE request whenever the CPUs
+ should be woken up. */
+ if (env->interrupt_request & CPU_INTERRUPT_WAKE) {
+ has_work = 1;
+ }
+
+ if (!mips_vpe_active(env)) {
+ has_work = 0;
+ }
+ }
return has_work;
}
unsigned int vector;
unsigned int pending = (env->CP0_Cause & CP0Ca_IP_mask) >> 8;
+ pending &= env->CP0_Status >> 8;
/* Compute the Vector Spacing. */
spacing = (env->CP0_IntCtl >> CP0IntCtl_VS) & ((1 << 6) - 1);
spacing <<= 5;
if (env->CP0_Config3 & (1 << CP0C3_VInt)) {
/* For VInt mode, the MIPS computes the vector internally. */
- for (vector = 0; vector < 8; vector++) {
- if (pending & 1) {
+ for (vector = 7; vector > 0; vector--) {
+ if (pending & (1 << vector)) {
/* Found it. */
break;
}
- pending >>= 1;
}
} else {
/* For VEIC mode, the external interrupt controller feeds the
DEF_HELPER_0(mfc0_mvpcontrol, tl)
DEF_HELPER_0(mfc0_mvpconf0, tl)
DEF_HELPER_0(mfc0_mvpconf1, tl)
+DEF_HELPER_0(mftc0_vpecontrol, tl)
+DEF_HELPER_0(mftc0_vpeconf0, tl)
DEF_HELPER_0(mfc0_random, tl)
DEF_HELPER_0(mfc0_tcstatus, tl)
DEF_HELPER_0(mftc0_tcstatus, tl)
DEF_HELPER_0(mfc0_count, tl)
DEF_HELPER_0(mftc0_entryhi, tl)
DEF_HELPER_0(mftc0_status, tl)
+DEF_HELPER_0(mftc0_cause, tl)
+DEF_HELPER_0(mftc0_epc, tl)
+DEF_HELPER_0(mftc0_ebase, tl)
+DEF_HELPER_1(mftc0_configx, tl, tl)
DEF_HELPER_0(mfc0_lladdr, tl)
DEF_HELPER_1(mfc0_watchlo, tl, i32)
DEF_HELPER_1(mfc0_watchhi, tl, i32)
DEF_HELPER_1(mtc0_index, void, tl)
DEF_HELPER_1(mtc0_mvpcontrol, void, tl)
DEF_HELPER_1(mtc0_vpecontrol, void, tl)
+DEF_HELPER_1(mttc0_vpecontrol, void, tl)
DEF_HELPER_1(mtc0_vpeconf0, void, tl)
+DEF_HELPER_1(mttc0_vpeconf0, void, tl)
DEF_HELPER_1(mtc0_vpeconf1, void, tl)
DEF_HELPER_1(mtc0_yqmask, void, tl)
DEF_HELPER_1(mtc0_vpeopt, void, tl)
DEF_HELPER_1(mtc0_intctl, void, tl)
DEF_HELPER_1(mtc0_srsctl, void, tl)
DEF_HELPER_1(mtc0_cause, void, tl)
+DEF_HELPER_1(mttc0_cause, void, tl)
DEF_HELPER_1(mtc0_ebase, void, tl)
+DEF_HELPER_1(mttc0_ebase, void, tl)
DEF_HELPER_1(mtc0_config0, void, tl)
DEF_HELPER_1(mtc0_config2, void, tl)
DEF_HELPER_1(mtc0_lladdr, void, tl)
#endif
#ifndef CONFIG_USER_ONLY
+/* SMP helpers. */
+static int mips_vpe_is_wfi(CPUState *c)
+{
+ /* If the VPE is halted but otherwise active, it means it's waiting for
+ an interrupt. */
+ return c->halted && mips_vpe_active(c);
+}
+
+static inline void mips_vpe_wake(CPUState *c)
+{
+ /* Dont set ->halted = 0 directly, let it be done via cpu_has_work
+ because there might be other conditions that state that c should
+ be sleeping. */
+ cpu_interrupt(c, CPU_INTERRUPT_WAKE);
+}
+
+static inline void mips_vpe_sleep(CPUState *c)
+{
+ /* The VPE was shut off, really go to bed.
+ Reset any old _WAKE requests. */
+ c->halted = 1;
+ cpu_reset_interrupt(c, CPU_INTERRUPT_WAKE);
+}
+
+static inline void mips_tc_wake(CPUState *c, int tc)
+{
+ /* FIXME: TC reschedule. */
+ if (mips_vpe_active(c) && !mips_vpe_is_wfi(c)) {
+ mips_vpe_wake(c);
+ }
+}
+
+static inline void mips_tc_sleep(CPUState *c, int tc)
+{
+ /* FIXME: TC reschedule. */
+ if (!mips_vpe_active(c)) {
+ mips_vpe_sleep(c);
+ }
+}
+
+/* tc should point to an int with the value of the global TC index.
+ This function will transform it into a local index within the
+ returned CPUState.
+
+ FIXME: This code assumes that all VPEs have the same number of TCs,
+ which depends on runtime setup. Can probably be fixed by
+ walking the list of CPUStates. */
+static CPUState *mips_cpu_map_tc(int *tc)
+{
+ CPUState *other;
+ int vpe_idx, nr_threads = env->nr_threads;
+ int tc_idx = *tc;
+
+ if (!(env->CP0_VPEConf0 & (1 << CP0VPEC0_MVP))) {
+ /* Not allowed to address other CPUs. */
+ *tc = env->current_tc;
+ return env;
+ }
+
+ vpe_idx = tc_idx / nr_threads;
+ *tc = tc_idx % nr_threads;
+ other = qemu_get_cpu(vpe_idx);
+ return other ? other : env;
+}
+
+/* The per VPE CP0_Status register shares some fields with the per TC
+ CP0_TCStatus registers. These fields are wired to the same registers,
+ so changes to either of them should be reflected on both registers.
+
+ Also, EntryHi shares the bottom 8 bit ASID with TCStauts.
+
+ These helper call synchronizes the regs for a given cpu. */
+
+/* Called for updates to CP0_Status. */
+static void sync_c0_status(CPUState *cpu, int tc)
+{
+ int32_t tcstatus, *tcst;
+ uint32_t v = cpu->CP0_Status;
+ uint32_t cu, mx, asid, ksu;
+ uint32_t mask = ((1 << CP0TCSt_TCU3)
+ | (1 << CP0TCSt_TCU2)
+ | (1 << CP0TCSt_TCU1)
+ | (1 << CP0TCSt_TCU0)
+ | (1 << CP0TCSt_TMX)
+ | (3 << CP0TCSt_TKSU)
+ | (0xff << CP0TCSt_TASID));
+
+ cu = (v >> CP0St_CU0) & 0xf;
+ mx = (v >> CP0St_MX) & 0x1;
+ ksu = (v >> CP0St_KSU) & 0x3;
+ asid = env->CP0_EntryHi & 0xff;
+
+ tcstatus = cu << CP0TCSt_TCU0;
+ tcstatus |= mx << CP0TCSt_TMX;
+ tcstatus |= ksu << CP0TCSt_TKSU;
+ tcstatus |= asid;
+
+ if (tc == cpu->current_tc) {
+ tcst = &cpu->active_tc.CP0_TCStatus;
+ } else {
+ tcst = &cpu->tcs[tc].CP0_TCStatus;
+ }
+
+ *tcst &= ~mask;
+ *tcst |= tcstatus;
+ compute_hflags(cpu);
+}
+
+/* Called for updates to CP0_TCStatus. */
+static void sync_c0_tcstatus(CPUState *cpu, int tc, target_ulong v)
+{
+ uint32_t status;
+ uint32_t tcu, tmx, tasid, tksu;
+ uint32_t mask = ((1 << CP0St_CU3)
+ | (1 << CP0St_CU2)
+ | (1 << CP0St_CU1)
+ | (1 << CP0St_CU0)
+ | (1 << CP0St_MX)
+ | (3 << CP0St_KSU));
+
+ tcu = (v >> CP0TCSt_TCU0) & 0xf;
+ tmx = (v >> CP0TCSt_TMX) & 0x1;
+ tasid = v & 0xff;
+ tksu = (v >> CP0TCSt_TKSU) & 0x3;
+
+ status = tcu << CP0St_CU0;
+ status |= tmx << CP0St_MX;
+ status |= tksu << CP0St_KSU;
+
+ cpu->CP0_Status &= ~mask;
+ cpu->CP0_Status |= status;
+
+ /* Sync the TASID with EntryHi. */
+ cpu->CP0_EntryHi &= ~0xff;
+ cpu->CP0_EntryHi = tasid;
+
+ compute_hflags(cpu);
+}
+
+/* Called for updates to CP0_EntryHi. */
+static void sync_c0_entryhi(CPUState *cpu, int tc)
+{
+ int32_t *tcst;
+ uint32_t asid, v = cpu->CP0_EntryHi;
+
+ asid = v & 0xff;
+
+ if (tc == cpu->current_tc) {
+ tcst = &cpu->active_tc.CP0_TCStatus;
+ } else {
+ tcst = &cpu->tcs[tc].CP0_TCStatus;
+ }
+
+ *tcst &= ~0xff;
+ *tcst |= asid;
+}
+
/* CP0 helpers */
target_ulong helper_mfc0_mvpcontrol (void)
{
target_ulong helper_mftc0_tcstatus(void)
{
int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
+ CPUState *other = mips_cpu_map_tc(&other_tc);
- if (other_tc == env->current_tc)
- return env->active_tc.CP0_TCStatus;
+ if (other_tc == other->current_tc)
+ return other->active_tc.CP0_TCStatus;
else
- return env->tcs[other_tc].CP0_TCStatus;
+ return other->tcs[other_tc].CP0_TCStatus;
}
target_ulong helper_mfc0_tcbind (void)
target_ulong helper_mftc0_tcbind(void)
{
int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
+ CPUState *other = mips_cpu_map_tc(&other_tc);
- if (other_tc == env->current_tc)
- return env->active_tc.CP0_TCBind;
+ if (other_tc == other->current_tc)
+ return other->active_tc.CP0_TCBind;
else
- return env->tcs[other_tc].CP0_TCBind;
+ return other->tcs[other_tc].CP0_TCBind;
}
target_ulong helper_mfc0_tcrestart (void)
target_ulong helper_mftc0_tcrestart(void)
{
int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
+ CPUState *other = mips_cpu_map_tc(&other_tc);
- if (other_tc == env->current_tc)
- return env->active_tc.PC;
+ if (other_tc == other->current_tc)
+ return other->active_tc.PC;
else
- return env->tcs[other_tc].PC;
+ return other->tcs[other_tc].PC;
}
target_ulong helper_mfc0_tchalt (void)
target_ulong helper_mftc0_tchalt(void)
{
int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
+ CPUState *other = mips_cpu_map_tc(&other_tc);
- if (other_tc == env->current_tc)
- return env->active_tc.CP0_TCHalt;
+ if (other_tc == other->current_tc)
+ return other->active_tc.CP0_TCHalt;
else
- return env->tcs[other_tc].CP0_TCHalt;
+ return other->tcs[other_tc].CP0_TCHalt;
}
target_ulong helper_mfc0_tccontext (void)
target_ulong helper_mftc0_tccontext(void)
{
int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
+ CPUState *other = mips_cpu_map_tc(&other_tc);
- if (other_tc == env->current_tc)
- return env->active_tc.CP0_TCContext;
+ if (other_tc == other->current_tc)
+ return other->active_tc.CP0_TCContext;
else
- return env->tcs[other_tc].CP0_TCContext;
+ return other->tcs[other_tc].CP0_TCContext;
}
target_ulong helper_mfc0_tcschedule (void)
target_ulong helper_mftc0_tcschedule(void)
{
int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
+ CPUState *other = mips_cpu_map_tc(&other_tc);
- if (other_tc == env->current_tc)
- return env->active_tc.CP0_TCSchedule;
+ if (other_tc == other->current_tc)
+ return other->active_tc.CP0_TCSchedule;
else
- return env->tcs[other_tc].CP0_TCSchedule;
+ return other->tcs[other_tc].CP0_TCSchedule;
}
target_ulong helper_mfc0_tcschefback (void)
target_ulong helper_mftc0_tcschefback(void)
{
int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
+ CPUState *other = mips_cpu_map_tc(&other_tc);
- if (other_tc == env->current_tc)
- return env->active_tc.CP0_TCScheFBack;
+ if (other_tc == other->current_tc)
+ return other->active_tc.CP0_TCScheFBack;
else
- return env->tcs[other_tc].CP0_TCScheFBack;
+ return other->tcs[other_tc].CP0_TCScheFBack;
}
target_ulong helper_mfc0_count (void)
target_ulong helper_mftc0_entryhi(void)
{
int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
- int32_t tcstatus;
-
- if (other_tc == env->current_tc)
- tcstatus = env->active_tc.CP0_TCStatus;
- else
- tcstatus = env->tcs[other_tc].CP0_TCStatus;
+ CPUState *other = mips_cpu_map_tc(&other_tc);
- return (env->CP0_EntryHi & ~0xff) | (tcstatus & 0xff);
+ return other->CP0_EntryHi;
}
-target_ulong helper_mftc0_status(void)
+target_ulong helper_mftc0_cause(void)
{
int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
- target_ulong t0;
- int32_t tcstatus;
+ int32_t tccause;
+ CPUState *other = mips_cpu_map_tc(&other_tc);
- if (other_tc == env->current_tc)
- tcstatus = env->active_tc.CP0_TCStatus;
- else
- tcstatus = env->tcs[other_tc].CP0_TCStatus;
+ if (other_tc == other->current_tc) {
+ tccause = other->CP0_Cause;
+ } else {
+ tccause = other->CP0_Cause;
+ }
- t0 = env->CP0_Status & ~0xf1000018;
- t0 |= tcstatus & (0xf << CP0TCSt_TCU0);
- t0 |= (tcstatus & (1 << CP0TCSt_TMX)) >> (CP0TCSt_TMX - CP0St_MX);
- t0 |= (tcstatus & (0x3 << CP0TCSt_TKSU)) >> (CP0TCSt_TKSU - CP0St_KSU);
+ return tccause;
+}
- return t0;
+target_ulong helper_mftc0_status(void)
+{
+ int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
+ CPUState *other = mips_cpu_map_tc(&other_tc);
+
+ return other->CP0_Status;
}
target_ulong helper_mfc0_lladdr (void)
{
int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
int32_t tcstatus;
+ CPUState *other = mips_cpu_map_tc(&other_tc);
- if (other_tc == env->current_tc)
- tcstatus = env->active_tc.CP0_Debug_tcstatus;
+ if (other_tc == other->current_tc)
+ tcstatus = other->active_tc.CP0_Debug_tcstatus;
else
- tcstatus = env->tcs[other_tc].CP0_Debug_tcstatus;
+ tcstatus = other->tcs[other_tc].CP0_Debug_tcstatus;
/* XXX: Might be wrong, check with EJTAG spec. */
- return (env->CP0_Debug & ~((1 << CP0DB_SSt) | (1 << CP0DB_Halt))) |
+ return (other->CP0_Debug & ~((1 << CP0DB_SSt) | (1 << CP0DB_Halt))) |
(tcstatus & ((1 << CP0DB_SSt) | (1 << CP0DB_Halt)));
}
env->CP0_VPEControl = newval;
}
+void helper_mttc0_vpecontrol(target_ulong arg1)
+{
+ int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
+ CPUState *other = mips_cpu_map_tc(&other_tc);
+ uint32_t mask;
+ uint32_t newval;
+
+ mask = (1 << CP0VPECo_YSI) | (1 << CP0VPECo_GSI) |
+ (1 << CP0VPECo_TE) | (0xff << CP0VPECo_TargTC);
+ newval = (other->CP0_VPEControl & ~mask) | (arg1 & mask);
+
+ /* TODO: Enable/disable TCs. */
+
+ other->CP0_VPEControl = newval;
+}
+
+target_ulong helper_mftc0_vpecontrol(void)
+{
+ int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
+ CPUState *other = mips_cpu_map_tc(&other_tc);
+ /* FIXME: Mask away return zero on read bits. */
+ return other->CP0_VPEControl;
+}
+
+target_ulong helper_mftc0_vpeconf0(void)
+{
+ int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
+ CPUState *other = mips_cpu_map_tc(&other_tc);
+
+ return other->CP0_VPEConf0;
+}
+
void helper_mtc0_vpeconf0 (target_ulong arg1)
{
uint32_t mask = 0;
env->CP0_VPEConf0 = newval;
}
+void helper_mttc0_vpeconf0(target_ulong arg1)
+{
+ int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
+ CPUState *other = mips_cpu_map_tc(&other_tc);
+ uint32_t mask = 0;
+ uint32_t newval;
+
+ mask |= (1 << CP0VPEC0_MVP) | (1 << CP0VPEC0_VPA);
+ newval = (other->CP0_VPEConf0 & ~mask) | (arg1 & mask);
+
+ /* TODO: TC exclusive handling due to ERL/EXL. */
+ other->CP0_VPEConf0 = newval;
+}
+
void helper_mtc0_vpeconf1 (target_ulong arg1)
{
uint32_t mask = 0;
newval = (env->active_tc.CP0_TCStatus & ~mask) | (arg1 & mask);
- // TODO: Sync with CP0_Status.
-
env->active_tc.CP0_TCStatus = newval;
+ sync_c0_tcstatus(env, env->current_tc, newval);
}
void helper_mttc0_tcstatus (target_ulong arg1)
{
int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
+ CPUState *other = mips_cpu_map_tc(&other_tc);
- // TODO: Sync with CP0_Status.
-
- if (other_tc == env->current_tc)
- env->active_tc.CP0_TCStatus = arg1;
+ if (other_tc == other->current_tc)
+ other->active_tc.CP0_TCStatus = arg1;
else
- env->tcs[other_tc].CP0_TCStatus = arg1;
+ other->tcs[other_tc].CP0_TCStatus = arg1;
+ sync_c0_tcstatus(other, other_tc, arg1);
}
void helper_mtc0_tcbind (target_ulong arg1)
int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
uint32_t mask = (1 << CP0TCBd_TBE);
uint32_t newval;
+ CPUState *other = mips_cpu_map_tc(&other_tc);
- if (env->mvp->CP0_MVPControl & (1 << CP0MVPCo_VPC))
+ if (other->mvp->CP0_MVPControl & (1 << CP0MVPCo_VPC))
mask |= (1 << CP0TCBd_CurVPE);
- if (other_tc == env->current_tc) {
- newval = (env->active_tc.CP0_TCBind & ~mask) | (arg1 & mask);
- env->active_tc.CP0_TCBind = newval;
+ if (other_tc == other->current_tc) {
+ newval = (other->active_tc.CP0_TCBind & ~mask) | (arg1 & mask);
+ other->active_tc.CP0_TCBind = newval;
} else {
- newval = (env->tcs[other_tc].CP0_TCBind & ~mask) | (arg1 & mask);
- env->tcs[other_tc].CP0_TCBind = newval;
+ newval = (other->tcs[other_tc].CP0_TCBind & ~mask) | (arg1 & mask);
+ other->tcs[other_tc].CP0_TCBind = newval;
}
}
void helper_mttc0_tcrestart (target_ulong arg1)
{
int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
+ CPUState *other = mips_cpu_map_tc(&other_tc);
- if (other_tc == env->current_tc) {
- env->active_tc.PC = arg1;
- env->active_tc.CP0_TCStatus &= ~(1 << CP0TCSt_TDS);
- env->lladdr = 0ULL;
+ if (other_tc == other->current_tc) {
+ other->active_tc.PC = arg1;
+ other->active_tc.CP0_TCStatus &= ~(1 << CP0TCSt_TDS);
+ other->lladdr = 0ULL;
/* MIPS16 not implemented. */
} else {
- env->tcs[other_tc].PC = arg1;
- env->tcs[other_tc].CP0_TCStatus &= ~(1 << CP0TCSt_TDS);
- env->lladdr = 0ULL;
+ other->tcs[other_tc].PC = arg1;
+ other->tcs[other_tc].CP0_TCStatus &= ~(1 << CP0TCSt_TDS);
+ other->lladdr = 0ULL;
/* MIPS16 not implemented. */
}
}
env->active_tc.CP0_TCHalt = arg1 & 0x1;
// TODO: Halt TC / Restart (if allocated+active) TC.
+ if (env->active_tc.CP0_TCHalt & 1) {
+ mips_tc_sleep(env, env->current_tc);
+ } else {
+ mips_tc_wake(env, env->current_tc);
+ }
}
void helper_mttc0_tchalt (target_ulong arg1)
{
int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
+ CPUState *other = mips_cpu_map_tc(&other_tc);
// TODO: Halt TC / Restart (if allocated+active) TC.
- if (other_tc == env->current_tc)
- env->active_tc.CP0_TCHalt = arg1;
+ if (other_tc == other->current_tc)
+ other->active_tc.CP0_TCHalt = arg1;
else
- env->tcs[other_tc].CP0_TCHalt = arg1;
+ other->tcs[other_tc].CP0_TCHalt = arg1;
+
+ if (arg1 & 1) {
+ mips_tc_sleep(other, other_tc);
+ } else {
+ mips_tc_wake(other, other_tc);
+ }
}
void helper_mtc0_tccontext (target_ulong arg1)
void helper_mttc0_tccontext (target_ulong arg1)
{
int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
+ CPUState *other = mips_cpu_map_tc(&other_tc);
- if (other_tc == env->current_tc)
- env->active_tc.CP0_TCContext = arg1;
+ if (other_tc == other->current_tc)
+ other->active_tc.CP0_TCContext = arg1;
else
- env->tcs[other_tc].CP0_TCContext = arg1;
+ other->tcs[other_tc].CP0_TCContext = arg1;
}
void helper_mtc0_tcschedule (target_ulong arg1)
void helper_mttc0_tcschedule (target_ulong arg1)
{
int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
+ CPUState *other = mips_cpu_map_tc(&other_tc);
- if (other_tc == env->current_tc)
- env->active_tc.CP0_TCSchedule = arg1;
+ if (other_tc == other->current_tc)
+ other->active_tc.CP0_TCSchedule = arg1;
else
- env->tcs[other_tc].CP0_TCSchedule = arg1;
+ other->tcs[other_tc].CP0_TCSchedule = arg1;
}
void helper_mtc0_tcschefback (target_ulong arg1)
void helper_mttc0_tcschefback (target_ulong arg1)
{
int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
+ CPUState *other = mips_cpu_map_tc(&other_tc);
- if (other_tc == env->current_tc)
- env->active_tc.CP0_TCScheFBack = arg1;
+ if (other_tc == other->current_tc)
+ other->active_tc.CP0_TCScheFBack = arg1;
else
- env->tcs[other_tc].CP0_TCScheFBack = arg1;
+ other->tcs[other_tc].CP0_TCScheFBack = arg1;
}
void helper_mtc0_entrylo1 (target_ulong arg1)
old = env->CP0_EntryHi;
env->CP0_EntryHi = val;
if (env->CP0_Config3 & (1 << CP0C3_MT)) {
- uint32_t tcst = env->active_tc.CP0_TCStatus & ~0xff;
- env->active_tc.CP0_TCStatus = tcst | (val & 0xff);
+ sync_c0_entryhi(env, env->current_tc);
}
/* If the ASID changes, flush qemu's TLB. */
if ((old & 0xFF) != (val & 0xFF))
void helper_mttc0_entryhi(target_ulong arg1)
{
int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
- int32_t tcstatus;
+ CPUState *other = mips_cpu_map_tc(&other_tc);
- env->CP0_EntryHi = (env->CP0_EntryHi & 0xff) | (arg1 & ~0xff);
- if (other_tc == env->current_tc) {
- tcstatus = (env->active_tc.CP0_TCStatus & ~0xff) | (arg1 & 0xff);
- env->active_tc.CP0_TCStatus = tcstatus;
- } else {
- tcstatus = (env->tcs[other_tc].CP0_TCStatus & ~0xff) | (arg1 & 0xff);
- env->tcs[other_tc].CP0_TCStatus = tcstatus;
- }
+ other->CP0_EntryHi = arg1;
+ sync_c0_entryhi(other, other_tc);
}
void helper_mtc0_compare (target_ulong arg1)
val = arg1 & mask;
old = env->CP0_Status;
env->CP0_Status = (env->CP0_Status & ~mask) | val;
- compute_hflags(env);
+ if (env->CP0_Config3 & (1 << CP0C3_MT)) {
+ sync_c0_status(env, env->current_tc);
+ } else {
+ compute_hflags(env);
+ }
+
if (qemu_loglevel_mask(CPU_LOG_EXEC)) {
qemu_log("Status %08x (%08x) => %08x (%08x) Cause %08x",
old, old & env->CP0_Cause & CP0Ca_IP_mask,
void helper_mttc0_status(target_ulong arg1)
{
int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
- int32_t tcstatus = env->tcs[other_tc].CP0_TCStatus;
-
- env->CP0_Status = arg1 & ~0xf1000018;
- tcstatus = (tcstatus & ~(0xf << CP0TCSt_TCU0)) | (arg1 & (0xf << CP0St_CU0));
- tcstatus = (tcstatus & ~(1 << CP0TCSt_TMX)) | ((arg1 & (1 << CP0St_MX)) << (CP0TCSt_TMX - CP0St_MX));
- tcstatus = (tcstatus & ~(0x3 << CP0TCSt_TKSU)) | ((arg1 & (0x3 << CP0St_KSU)) << (CP0TCSt_TKSU - CP0St_KSU));
- if (other_tc == env->current_tc)
- env->active_tc.CP0_TCStatus = tcstatus;
- else
- env->tcs[other_tc].CP0_TCStatus = tcstatus;
+ CPUState *other = mips_cpu_map_tc(&other_tc);
+
+ other->CP0_Status = arg1 & ~0xf1000018;
+ sync_c0_status(other, other_tc);
}
void helper_mtc0_intctl (target_ulong arg1)
{
/* vectored interrupts not implemented, no performance counters. */
- env->CP0_IntCtl = (env->CP0_IntCtl & ~0x000002e0) | (arg1 & 0x000002e0);
+ env->CP0_IntCtl = (env->CP0_IntCtl & ~0x000003e0) | (arg1 & 0x000003e0);
}
void helper_mtc0_srsctl (target_ulong arg1)
env->CP0_SRSCtl = (env->CP0_SRSCtl & ~mask) | (arg1 & mask);
}
-void helper_mtc0_cause (target_ulong arg1)
+static void mtc0_cause(CPUState *cpu, target_ulong arg1)
{
uint32_t mask = 0x00C00300;
- uint32_t old = env->CP0_Cause;
+ uint32_t old = cpu->CP0_Cause;
int i;
- if (env->insn_flags & ISA_MIPS32R2)
+ if (cpu->insn_flags & ISA_MIPS32R2) {
mask |= 1 << CP0Ca_DC;
+ }
- env->CP0_Cause = (env->CP0_Cause & ~mask) | (arg1 & mask);
+ cpu->CP0_Cause = (cpu->CP0_Cause & ~mask) | (arg1 & mask);
- if ((old ^ env->CP0_Cause) & (1 << CP0Ca_DC)) {
- if (env->CP0_Cause & (1 << CP0Ca_DC))
- cpu_mips_stop_count(env);
- else
- cpu_mips_start_count(env);
+ if ((old ^ cpu->CP0_Cause) & (1 << CP0Ca_DC)) {
+ if (cpu->CP0_Cause & (1 << CP0Ca_DC)) {
+ cpu_mips_stop_count(cpu);
+ } else {
+ cpu_mips_start_count(cpu);
+ }
}
/* Set/reset software interrupts */
for (i = 0 ; i < 2 ; i++) {
- if ((old ^ env->CP0_Cause) & (1 << (CP0Ca_IP + i))) {
- cpu_mips_soft_irq(env, i, env->CP0_Cause & (1 << (CP0Ca_IP + i)));
+ if ((old ^ cpu->CP0_Cause) & (1 << (CP0Ca_IP + i))) {
+ cpu_mips_soft_irq(cpu, i, cpu->CP0_Cause & (1 << (CP0Ca_IP + i)));
}
}
}
+void helper_mtc0_cause(target_ulong arg1)
+{
+ mtc0_cause(env, arg1);
+}
+
+void helper_mttc0_cause(target_ulong arg1)
+{
+ int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
+ CPUState *other = mips_cpu_map_tc(&other_tc);
+
+ mtc0_cause(other, arg1);
+}
+
+target_ulong helper_mftc0_epc(void)
+{
+ int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
+ CPUState *other = mips_cpu_map_tc(&other_tc);
+
+ return other->CP0_EPC;
+}
+
+target_ulong helper_mftc0_ebase(void)
+{
+ int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
+ CPUState *other = mips_cpu_map_tc(&other_tc);
+
+ return other->CP0_EBase;
+}
+
void helper_mtc0_ebase (target_ulong arg1)
{
/* vectored interrupts not implemented */
env->CP0_EBase = (env->CP0_EBase & ~0x3FFFF000) | (arg1 & 0x3FFFF000);
}
+void helper_mttc0_ebase(target_ulong arg1)
+{
+ int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
+ CPUState *other = mips_cpu_map_tc(&other_tc);
+ other->CP0_EBase = (other->CP0_EBase & ~0x3FFFF000) | (arg1 & 0x3FFFF000);
+}
+
+target_ulong helper_mftc0_configx(target_ulong idx)
+{
+ int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
+ CPUState *other = mips_cpu_map_tc(&other_tc);
+
+ switch (idx) {
+ case 0: return other->CP0_Config0;
+ case 1: return other->CP0_Config1;
+ case 2: return other->CP0_Config2;
+ case 3: return other->CP0_Config3;
+ /* 4 and 5 are reserved. */
+ case 6: return other->CP0_Config6;
+ case 7: return other->CP0_Config7;
+ default:
+ break;
+ }
+ return 0;
+}
+
void helper_mtc0_config0 (target_ulong arg1)
{
env->CP0_Config0 = (env->CP0_Config0 & 0x81FFFFF8) | (arg1 & 0x00000007);
{
int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
uint32_t val = arg1 & ((1 << CP0DB_SSt) | (1 << CP0DB_Halt));
+ CPUState *other = mips_cpu_map_tc(&other_tc);
/* XXX: Might be wrong, check with EJTAG spec. */
- if (other_tc == env->current_tc)
- env->active_tc.CP0_Debug_tcstatus = val;
+ if (other_tc == other->current_tc)
+ other->active_tc.CP0_Debug_tcstatus = val;
else
- env->tcs[other_tc].CP0_Debug_tcstatus = val;
- env->CP0_Debug = (env->CP0_Debug & ((1 << CP0DB_SSt) | (1 << CP0DB_Halt))) |
+ other->tcs[other_tc].CP0_Debug_tcstatus = val;
+ other->CP0_Debug = (other->CP0_Debug &
+ ((1 << CP0DB_SSt) | (1 << CP0DB_Halt))) |
(arg1 & ~((1 << CP0DB_SSt) | (1 << CP0DB_Halt)));
}
target_ulong helper_mftgpr(uint32_t sel)
{
int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
+ CPUState *other = mips_cpu_map_tc(&other_tc);
- if (other_tc == env->current_tc)
- return env->active_tc.gpr[sel];
+ if (other_tc == other->current_tc)
+ return other->active_tc.gpr[sel];
else
- return env->tcs[other_tc].gpr[sel];
+ return other->tcs[other_tc].gpr[sel];
}
target_ulong helper_mftlo(uint32_t sel)
{
int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
+ CPUState *other = mips_cpu_map_tc(&other_tc);
- if (other_tc == env->current_tc)
- return env->active_tc.LO[sel];
+ if (other_tc == other->current_tc)
+ return other->active_tc.LO[sel];
else
- return env->tcs[other_tc].LO[sel];
+ return other->tcs[other_tc].LO[sel];
}
target_ulong helper_mfthi(uint32_t sel)
{
int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
+ CPUState *other = mips_cpu_map_tc(&other_tc);
- if (other_tc == env->current_tc)
- return env->active_tc.HI[sel];
+ if (other_tc == other->current_tc)
+ return other->active_tc.HI[sel];
else
- return env->tcs[other_tc].HI[sel];
+ return other->tcs[other_tc].HI[sel];
}
target_ulong helper_mftacx(uint32_t sel)
{
int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
+ CPUState *other = mips_cpu_map_tc(&other_tc);
- if (other_tc == env->current_tc)
- return env->active_tc.ACX[sel];
+ if (other_tc == other->current_tc)
+ return other->active_tc.ACX[sel];
else
- return env->tcs[other_tc].ACX[sel];
+ return other->tcs[other_tc].ACX[sel];
}
target_ulong helper_mftdsp(void)
{
int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
+ CPUState *other = mips_cpu_map_tc(&other_tc);
- if (other_tc == env->current_tc)
- return env->active_tc.DSPControl;
+ if (other_tc == other->current_tc)
+ return other->active_tc.DSPControl;
else
- return env->tcs[other_tc].DSPControl;
+ return other->tcs[other_tc].DSPControl;
}
void helper_mttgpr(target_ulong arg1, uint32_t sel)
{
int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
+ CPUState *other = mips_cpu_map_tc(&other_tc);
- if (other_tc == env->current_tc)
- env->active_tc.gpr[sel] = arg1;
+ if (other_tc == other->current_tc)
+ other->active_tc.gpr[sel] = arg1;
else
- env->tcs[other_tc].gpr[sel] = arg1;
+ other->tcs[other_tc].gpr[sel] = arg1;
}
void helper_mttlo(target_ulong arg1, uint32_t sel)
{
int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
+ CPUState *other = mips_cpu_map_tc(&other_tc);
- if (other_tc == env->current_tc)
- env->active_tc.LO[sel] = arg1;
+ if (other_tc == other->current_tc)
+ other->active_tc.LO[sel] = arg1;
else
- env->tcs[other_tc].LO[sel] = arg1;
+ other->tcs[other_tc].LO[sel] = arg1;
}
void helper_mtthi(target_ulong arg1, uint32_t sel)
{
int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
+ CPUState *other = mips_cpu_map_tc(&other_tc);
- if (other_tc == env->current_tc)
- env->active_tc.HI[sel] = arg1;
+ if (other_tc == other->current_tc)
+ other->active_tc.HI[sel] = arg1;
else
- env->tcs[other_tc].HI[sel] = arg1;
+ other->tcs[other_tc].HI[sel] = arg1;
}
void helper_mttacx(target_ulong arg1, uint32_t sel)
{
int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
+ CPUState *other = mips_cpu_map_tc(&other_tc);
- if (other_tc == env->current_tc)
- env->active_tc.ACX[sel] = arg1;
+ if (other_tc == other->current_tc)
+ other->active_tc.ACX[sel] = arg1;
else
- env->tcs[other_tc].ACX[sel] = arg1;
+ other->tcs[other_tc].ACX[sel] = arg1;
}
void helper_mttdsp(target_ulong arg1)
{
int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
+ CPUState *other = mips_cpu_map_tc(&other_tc);
- if (other_tc == env->current_tc)
- env->active_tc.DSPControl = arg1;
+ if (other_tc == other->current_tc)
+ other->active_tc.DSPControl = arg1;
else
- env->tcs[other_tc].DSPControl = arg1;
+ other->tcs[other_tc].DSPControl = arg1;
}
/* MIPS MT functions */
target_ulong helper_dvpe(void)
{
- // TODO
- return 0;
+ CPUState *other_cpu = first_cpu;
+ target_ulong prev = env->mvp->CP0_MVPControl;
+
+ do {
+ /* Turn off all VPEs except the one executing the dvpe. */
+ if (other_cpu != env) {
+ other_cpu->mvp->CP0_MVPControl &= ~(1 << CP0MVPCo_EVP);
+ mips_vpe_sleep(other_cpu);
+ }
+ other_cpu = other_cpu->next_cpu;
+ } while (other_cpu);
+ return prev;
}
target_ulong helper_evpe(void)
{
- // TODO
- return 0;
+ CPUState *other_cpu = first_cpu;
+ target_ulong prev = env->mvp->CP0_MVPControl;
+
+ do {
+ if (other_cpu != env
+ /* If the VPE is WFI, dont distrub it's sleep. */
+ && !mips_vpe_is_wfi(other_cpu)) {
+ /* Enable the VPE. */
+ other_cpu->mvp->CP0_MVPControl |= (1 << CP0MVPCo_EVP);
+ mips_vpe_wake(other_cpu); /* And wake it up. */
+ }
+ other_cpu = other_cpu->next_cpu;
+ } while (other_cpu);
+ return prev;
}
#endif /* !CONFIG_USER_ONLY */
void helper_wait (void)
{
env->halted = 1;
+ cpu_reset_interrupt(env, CPU_INTERRUPT_WAKE);
helper_raise_exception(EXCP_HLT);
}
tcg_gen_movi_tl(t0, -1);
else if (u == 0) {
switch (rt) {
+ case 1:
+ switch (sel) {
+ case 1:
+ gen_helper_mftc0_vpecontrol(t0);
+ break;
+ case 2:
+ gen_helper_mftc0_vpeconf0(t0);
+ break;
+ default:
+ goto die;
+ break;
+ }
+ break;
case 2:
switch (sel) {
case 1:
gen_mfc0(env, ctx, t0, rt, sel);
break;
}
+ case 13:
+ switch (sel) {
+ case 0:
+ gen_helper_mftc0_cause(t0);
+ break;
+ default:
+ goto die;
+ break;
+ }
+ break;
+ case 14:
+ switch (sel) {
+ case 0:
+ gen_helper_mftc0_epc(t0);
+ break;
+ default:
+ goto die;
+ break;
+ }
+ break;
+ case 15:
+ switch (sel) {
+ case 1:
+ gen_helper_mftc0_ebase(t0);
+ break;
+ default:
+ goto die;
+ break;
+ }
+ break;
+ case 16:
+ switch (sel) {
+ case 0 ... 7:
+ gen_helper_mftc0_configx(t0, tcg_const_tl(sel));
+ break;
+ default:
+ goto die;
+ break;
+ }
+ break;
case 23:
switch (sel) {
case 0:
/* NOP */ ;
else if (u == 0) {
switch (rd) {
+ case 1:
+ switch (sel) {
+ case 1:
+ gen_helper_mttc0_vpecontrol(t0);
+ break;
+ case 2:
+ gen_helper_mttc0_vpeconf0(t0);
+ break;
+ default:
+ goto die;
+ break;
+ }
+ break;
case 2:
switch (sel) {
case 1:
gen_mtc0(env, ctx, t0, rd, sel);
break;
}
+ case 13:
+ switch (sel) {
+ case 0:
+ gen_helper_mttc0_cause(t0);
+ break;
+ default:
+ goto die;
+ break;
+ }
+ break;
+ case 15:
+ switch (sel) {
+ case 1:
+ gen_helper_mttc0_ebase(t0);
+ break;
+ default:
+ goto die;
+ break;
+ }
+ break;
case 23:
switch (sel) {
case 0:
/* Count register increments in debug mode, EJTAG version 1 */
env->CP0_Debug = (1 << CP0DB_CNT) | (0x1 << CP0DB_VER);
env->hflags = MIPS_HFLAG_CP0;
+
+ if (env->CP0_Config3 & (1 << CP0C3_MT)) {
+ int i;
+
+ /* Only TC0 on VPE 0 starts as active. */
+ for (i = 0; i < ARRAY_SIZE(env->tcs); i++) {
+ env->tcs[i].CP0_TCBind = env->cpu_index << CP0TCBd_CurVPE;
+ env->tcs[i].CP0_TCHalt = 1;
+ }
+ env->active_tc.CP0_TCHalt = 1;
+ env->halted = 1;
+
+ if (!env->cpu_index) {
+ /* VPE0 starts up enabled. */
+ env->mvp->CP0_MVPControl |= (1 << CP0MVPCo_EVP);
+ env->CP0_VPEConf0 |= (1 << CP0VPEC0_MVP) | (1 << CP0VPEC0_VPA);
+
+ /* TC0 starts up unhalted. */
+ env->halted = 0;
+ env->active_tc.CP0_TCHalt = 0;
+ env->tcs[0].CP0_TCHalt = 0;
+ /* With thread 0 active. */
+ env->active_tc.CP0_TCStatus = (1 << CP0TCSt_A);
+ env->tcs[0].CP0_TCStatus = (1 << CP0TCSt_A);
+ }
+ }
#endif
#if defined(TARGET_MIPS64)
if (env->cpu_model->insn_flags & ISA_MIPS3) {
(0 << CP0C1_DS) | (3 << CP0C1_DL) | (1 << CP0C1_DA) |
(1 << CP0C1_CA),
.CP0_Config2 = MIPS_CONFIG2,
- .CP0_Config3 = MIPS_CONFIG3 | (0 << CP0C3_VInt) | (1 << CP0C3_MT),
+ .CP0_Config3 = MIPS_CONFIG3 | (1 << CP0C3_VInt) | (1 << CP0C3_MT),
.CP0_LLAddr_rw_bitmask = 0,
.CP0_LLAddr_shift = 0,
.SYNCI_Step = 32,
// (1 << CP0MVPC0_TCA) | (0x1 << CP0MVPC0_PVPE) |
// (0x04 << CP0MVPC0_PTC);
(1 << CP0MVPC0_TCA) | (0x0 << CP0MVPC0_PVPE) |
- (0x04 << CP0MVPC0_PTC);
+ (0x00 << CP0MVPC0_PTC);
#if !defined(CONFIG_USER_ONLY)
/* Usermode has no TLB support */
env->mvp->CP0_MVPConf0 |= (env->tlb->nb_tlb << CP0MVPC0_PTLBE);
sun4m_iommu_translate_pa(uint64_t addr, uint64_t pa, uint32_t iopte) "xlate dva %"PRIx64" => pa %"PRIx64" iopte = %x"
sun4m_iommu_bad_addr(uint64_t addr) "bad addr %"PRIx64""
+# hw/usb-bus.c
+usb_port_claim(int bus, const char *port) "bus %d, port %s"
+usb_port_attach(int bus, const char *port) "bus %d, port %s"
+usb_port_detach(int bus, const char *port) "bus %d, port %s"
+usb_port_release(int bus, const char *port) "bus %d, port %s"
+
# hw/usb-ehci.c
usb_ehci_reset(void) "=== RESET ==="
usb_ehci_mmio_readl(uint32_t addr, const char *str, uint32_t val) "rd mmio %04x [%s] = %x"
usb_ehci_qtd_fields(uint32_t addr, int tbytes, int cpage, int cerr, int pid) "QTD @ %08x - tbytes %d, cpage %d, cerr %d, pid %d"
usb_ehci_qtd_bits(uint32_t addr, int ioc, int active, int halt, int babble, int xacterr) "QTD @ %08x - ioc %d, active %d, halt %d, babble %d, xacterr %d"
usb_ehci_itd(uint32_t addr, uint32_t nxt, uint32_t mplen, uint32_t mult, uint32_t ep, uint32_t devaddr) "ITD @ %08x: next %08x - mplen %d, mult %d, ep %d, dev %d"
+usb_ehci_sitd(uint32_t addr, uint32_t nxt, uint32_t active) "ITD @ %08x: next %08x - active %d"
usb_ehci_port_attach(uint32_t port, const char *device) "attach port #%d - %s"
usb_ehci_port_detach(uint32_t port) "detach port #%d"
usb_ehci_port_reset(uint32_t port, int enable) "reset port #%d - %d"
usb_clear_device_feature(int addr, int feature, int ret) "dev %d, feature %d, ret %d"
usb_set_device_feature(int addr, int feature, int ret) "dev %d, feature %d, ret %d"
+# usb-linux.c
+usb_host_open_started(int bus, int addr) "dev %d:%d"
+usb_host_open_success(int bus, int addr) "dev %d:%d"
+usb_host_open_failure(int bus, int addr) "dev %d:%d"
+usb_host_disconnect(int bus, int addr) "dev %d:%d"
+usb_host_close(int bus, int addr) "dev %d:%d"
+usb_host_set_address(int bus, int addr, int config) "dev %d:%d, address %d"
+usb_host_set_config(int bus, int addr, int config) "dev %d:%d, config %d"
+usb_host_set_interface(int bus, int addr, int interface, int alt) "dev %d:%d, interface %d, alt %d"
+usb_host_claim_interfaces(int bus, int addr, int config, int nif) "dev %d:%d, config %d, nif %d"
+usb_host_release_interfaces(int bus, int addr) "dev %d:%d"
+usb_host_req_control(int bus, int addr, int req, int value, int index) "dev %d:%d, req 0x%x, value %d, index %d"
+usb_host_req_data(int bus, int addr, int in, int ep, int size) "dev %d:%d, in %d, ep %d, size %d"
+usb_host_req_complete(int bus, int addr, int status) "dev %d:%d, status %d"
+usb_host_urb_submit(int bus, int addr, void *aurb, int length, int more) "dev %d:%d, aurb %p, length %d, more %d"
+usb_host_urb_complete(int bus, int addr, void *aurb, int status, int length, int more) "dev %d:%d, aurb %p, status %d, length %d, more %d"
+usb_host_ep_set_halt(int bus, int addr, int ep) "dev %d:%d, ep %d"
+usb_host_ep_clear_halt(int bus, int addr, int ep) "dev %d:%d, ep %d"
+usb_host_ep_start_iso(int bus, int addr, int ep) "dev %d:%d, ep %d"
+usb_host_ep_stop_iso(int bus, int addr, int ep) "dev %d:%d, ep %d"
+usb_host_reset(int bus, int addr) "dev %d:%d"
+usb_host_auto_scan_enabled(void)
+usb_host_auto_scan_disabled(void)
+usb_host_claim_port(int bus, int hub, int port) "bus %d, hub addr %d, port %d"
+
# hw/scsi-bus.c
scsi_req_alloc(int target, int lun, int tag) "target %d lun %d tag %d"
scsi_req_data(int target, int lun, int tag, int len) "target %d lun %d tag %d len %d"
#include "qemu-timer.h"
#include "monitor.h"
#include "sysemu.h"
+#include "trace.h"
#include <dirent.h>
#include <sys/ioctl.h>
void *data;
};
-typedef int USBScanFunc(void *opaque, int bus_num, int addr, char *port,
+typedef int USBScanFunc(void *opaque, int bus_num, int addr, const char *port,
int class_id, int vendor_id, int product_id,
const char *product_name, int speed);
typedef struct USBHostDevice {
USBDevice dev;
int fd;
+ int hub_fd;
uint8_t descr[8192];
int descr_len;
uint32_t iso_urb_count;
Notifier exit;
- struct endp_data endp_table[MAX_ENDPOINTS];
+ struct endp_data ep_in[MAX_ENDPOINTS];
+ struct endp_data ep_out[MAX_ENDPOINTS];
QLIST_HEAD(, AsyncURB) aurbs;
/* Host side address */
int addr;
char port[MAX_PORTLEN];
struct USBAutoFilter match;
+ int seen, errcount;
QTAILQ_ENTRY(USBHostDevice) next;
} USBHostDevice;
static void usb_host_auto_check(void *unused);
static int usb_host_read_file(char *line, size_t line_size,
const char *device_file, const char *device_name);
+static int usb_linux_update_endp_table(USBHostDevice *s);
-static struct endp_data *get_endp(USBHostDevice *s, int ep)
+static struct endp_data *get_endp(USBHostDevice *s, int pid, int ep)
{
- return s->endp_table + ep - 1;
+ struct endp_data *eps = pid == USB_TOKEN_IN ? s->ep_in : s->ep_out;
+ assert(pid == USB_TOKEN_IN || pid == USB_TOKEN_OUT);
+ assert(ep > 0 && ep <= MAX_ENDPOINTS);
+ return eps + ep - 1;
}
-static int is_isoc(USBHostDevice *s, int ep)
+static int is_isoc(USBHostDevice *s, int pid, int ep)
{
- return get_endp(s, ep)->type == USBDEVFS_URB_TYPE_ISO;
+ return get_endp(s, pid, ep)->type == USBDEVFS_URB_TYPE_ISO;
}
-static int is_valid(USBHostDevice *s, int ep)
+static int is_valid(USBHostDevice *s, int pid, int ep)
{
- return get_endp(s, ep)->type != INVALID_EP_TYPE;
+ return get_endp(s, pid, ep)->type != INVALID_EP_TYPE;
}
-static int is_halted(USBHostDevice *s, int ep)
+static int is_halted(USBHostDevice *s, int pid, int ep)
{
- return get_endp(s, ep)->halted;
+ return get_endp(s, pid, ep)->halted;
}
-static void clear_halt(USBHostDevice *s, int ep)
+static void clear_halt(USBHostDevice *s, int pid, int ep)
{
- get_endp(s, ep)->halted = 0;
+ trace_usb_host_ep_clear_halt(s->bus_num, s->addr, ep);
+ get_endp(s, pid, ep)->halted = 0;
}
-static void set_halt(USBHostDevice *s, int ep)
+static void set_halt(USBHostDevice *s, int pid, int ep)
{
- get_endp(s, ep)->halted = 1;
+ if (ep != 0) {
+ trace_usb_host_ep_set_halt(s->bus_num, s->addr, ep);
+ get_endp(s, pid, ep)->halted = 1;
+ }
}
-static int is_iso_started(USBHostDevice *s, int ep)
+static int is_iso_started(USBHostDevice *s, int pid, int ep)
{
- return get_endp(s, ep)->iso_started;
+ return get_endp(s, pid, ep)->iso_started;
}
-static void clear_iso_started(USBHostDevice *s, int ep)
+static void clear_iso_started(USBHostDevice *s, int pid, int ep)
{
- get_endp(s, ep)->iso_started = 0;
+ trace_usb_host_ep_stop_iso(s->bus_num, s->addr, ep);
+ get_endp(s, pid, ep)->iso_started = 0;
}
-static void set_iso_started(USBHostDevice *s, int ep)
+static void set_iso_started(USBHostDevice *s, int pid, int ep)
{
- struct endp_data *e = get_endp(s, ep);
+ struct endp_data *e = get_endp(s, pid, ep);
+
+ trace_usb_host_ep_start_iso(s->bus_num, s->addr, ep);
if (!e->iso_started) {
e->iso_started = 1;
e->inflight = 0;
}
}
-static int change_iso_inflight(USBHostDevice *s, int ep, int value)
+static int change_iso_inflight(USBHostDevice *s, int pid, int ep, int value)
{
- struct endp_data *e = get_endp(s, ep);
+ struct endp_data *e = get_endp(s, pid, ep);
e->inflight += value;
return e->inflight;
}
-static void set_iso_urb(USBHostDevice *s, int ep, AsyncURB *iso_urb)
+static void set_iso_urb(USBHostDevice *s, int pid, int ep, AsyncURB *iso_urb)
{
- get_endp(s, ep)->iso_urb = iso_urb;
+ get_endp(s, pid, ep)->iso_urb = iso_urb;
}
-static AsyncURB *get_iso_urb(USBHostDevice *s, int ep)
+static AsyncURB *get_iso_urb(USBHostDevice *s, int pid, int ep)
{
- return get_endp(s, ep)->iso_urb;
+ return get_endp(s, pid, ep)->iso_urb;
}
-static void set_iso_urb_idx(USBHostDevice *s, int ep, int i)
+static void set_iso_urb_idx(USBHostDevice *s, int pid, int ep, int i)
{
- get_endp(s, ep)->iso_urb_idx = i;
+ get_endp(s, pid, ep)->iso_urb_idx = i;
}
-static int get_iso_urb_idx(USBHostDevice *s, int ep)
+static int get_iso_urb_idx(USBHostDevice *s, int pid, int ep)
{
- return get_endp(s, ep)->iso_urb_idx;
+ return get_endp(s, pid, ep)->iso_urb_idx;
}
-static void set_iso_buffer_used(USBHostDevice *s, int ep, int i)
+static void set_iso_buffer_used(USBHostDevice *s, int pid, int ep, int i)
{
- get_endp(s, ep)->iso_buffer_used = i;
+ get_endp(s, pid, ep)->iso_buffer_used = i;
}
-static int get_iso_buffer_used(USBHostDevice *s, int ep)
+static int get_iso_buffer_used(USBHostDevice *s, int pid, int ep)
{
- return get_endp(s, ep)->iso_buffer_used;
+ return get_endp(s, pid, ep)->iso_buffer_used;
}
-static void set_max_packet_size(USBHostDevice *s, int ep, uint8_t *descriptor)
+static void set_max_packet_size(USBHostDevice *s, int pid, int ep,
+ uint8_t *descriptor)
{
int raw = descriptor[4] + (descriptor[5] << 8);
int size, microframes;
case 2: microframes = 3; break;
default: microframes = 1; break;
}
- get_endp(s, ep)->max_packet_size = size * microframes;
+ get_endp(s, pid, ep)->max_packet_size = size * microframes;
}
-static int get_max_packet_size(USBHostDevice *s, int ep)
+static int get_max_packet_size(USBHostDevice *s, int pid, int ep)
{
- return get_endp(s, ep)->max_packet_size;
+ return get_endp(s, pid, ep)->max_packet_size;
}
/*
static void do_disconnect(USBHostDevice *s)
{
- printf("husb: device %d.%d disconnected\n",
- s->bus_num, s->addr);
usb_host_close(s);
usb_host_auto_check(NULL);
}
}
return;
}
- if (errno == ENODEV && !s->closing) {
- do_disconnect(s);
+ if (errno == ENODEV) {
+ if (!s->closing) {
+ trace_usb_host_disconnect(s->bus_num, s->addr);
+ do_disconnect(s);
+ }
return;
}
- DPRINTF("husb: async. reap urb failed errno %d\n", errno);
+ perror("USBDEVFS_REAPURBNDELAY");
return;
}
anything else (it is handled further in usb_host_handle_iso_data) */
if (aurb->iso_frame_idx == -1) {
int inflight;
+ int pid = (aurb->urb.endpoint & USB_DIR_IN) ?
+ USB_TOKEN_IN : USB_TOKEN_OUT;
+ int ep = aurb->urb.endpoint & 0xf;
if (aurb->urb.status == -EPIPE) {
- set_halt(s, aurb->urb.endpoint & 0xf);
+ set_halt(s, pid, ep);
}
aurb->iso_frame_idx = 0;
urbs++;
- inflight = change_iso_inflight(s, aurb->urb.endpoint & 0xf, -1);
- if (inflight == 0 && is_iso_started(s, aurb->urb.endpoint & 0xf)) {
+ inflight = change_iso_inflight(s, pid, ep, -1);
+ if (inflight == 0 && is_iso_started(s, pid, ep)) {
fprintf(stderr, "husb: out of buffers for iso stream\n");
}
continue;
}
p = aurb->packet;
+ trace_usb_host_urb_complete(s->bus_num, s->addr, aurb, aurb->urb.status,
+ aurb->urb.actual_length, aurb->more);
if (p) {
switch (aurb->urb.status) {
break;
case -EPIPE:
- set_halt(s, p->devep);
+ set_halt(s, p->pid, p->devep);
p->result = USB_RET_STALL;
break;
}
if (aurb->urb.type == USBDEVFS_URB_TYPE_CONTROL) {
+ trace_usb_host_req_complete(s->bus_num, s->addr, p->result);
usb_generic_async_ctrl_complete(&s->dev, p);
} else if (!aurb->more) {
+ trace_usb_host_req_complete(s->bus_num, s->addr, p->result);
usb_packet_complete(&s->dev, p);
}
}
int interface, nb_interfaces;
int ret, i;
- if (configuration == 0) /* address state - ignore */
+ if (configuration == 0) { /* address state - ignore */
+ dev->ninterfaces = 0;
+ dev->configuration = 0;
return 1;
+ }
DPRINTF("husb: claiming interfaces. config %d\n", configuration);
}
config_descr_len = dev->descr[i];
- printf("husb: config #%d need %d\n", dev->descr[i + 5], configuration);
+ DPRINTF("husb: config #%d need %d\n", dev->descr[i + 5], configuration);
- if (configuration < 0 || configuration == dev->descr[i + 5]) {
+ if (configuration == dev->descr[i + 5]) {
configuration = dev->descr[i + 5];
break;
}
op = "USBDEVFS_CLAIMINTERFACE";
ret = ioctl(dev->fd, USBDEVFS_CLAIMINTERFACE, &interface);
if (ret < 0) {
- if (errno == EBUSY) {
- printf("husb: update iface. device already grabbed\n");
- } else {
- perror("husb: failed to claim interface");
- }
goto fail;
}
}
- printf("husb: %d interfaces claimed for configuration %d\n",
- nb_interfaces, configuration);
+ trace_usb_host_claim_interfaces(dev->bus_num, dev->addr,
+ nb_interfaces, configuration);
dev->ninterfaces = nb_interfaces;
dev->configuration = configuration;
{
int ret, i;
- DPRINTF("husb: releasing interfaces\n");
+ trace_usb_host_release_interfaces(s->bus_num, s->addr);
for (i = 0; i < s->ninterfaces; i++) {
ret = ioctl(s->fd, USBDEVFS_RELEASEINTERFACE, &i);
if (ret < 0) {
- perror("husb: failed to release interface");
+ perror("USBDEVFS_RELEASEINTERFACE");
return 0;
}
}
-
return 1;
}
{
USBHostDevice *s = DO_UPCAST(USBHostDevice, dev, dev);
- DPRINTF("husb: reset device %u.%u\n", s->bus_num, s->addr);
+ trace_usb_host_reset(s->bus_num, s->addr);
ioctl(s->fd, USBDEVFS_RESET);
- usb_host_claim_interfaces(s, s->configuration);
+ usb_host_claim_interfaces(s, 0);
+ usb_linux_update_endp_table(s);
}
static void usb_host_handle_destroy(USBDevice *dev)
USBHostDevice *s = (USBHostDevice *)dev;
usb_host_close(s);
+ if (s->hub_fd != -1) {
+ close(s->hub_fd);
+ }
QTAILQ_REMOVE(&hostdevs, s, next);
qemu_remove_exit_notifier(&s->exit);
}
-static int usb_linux_update_endp_table(USBHostDevice *s);
-
/* iso data is special, we need to keep enough urbs in flight to make sure
that the controller never runs out of them, otherwise the device will
likely suffer a buffer underrun / overrun. */
-static AsyncURB *usb_host_alloc_iso(USBHostDevice *s, uint8_t ep, int in)
+static AsyncURB *usb_host_alloc_iso(USBHostDevice *s, int pid, uint8_t ep)
{
AsyncURB *aurb;
- int i, j, len = get_max_packet_size(s, ep);
+ int i, j, len = get_max_packet_size(s, pid, ep);
aurb = g_malloc0(s->iso_urb_count * sizeof(*aurb));
for (i = 0; i < s->iso_urb_count; i++) {
aurb[i].urb.number_of_packets = ISO_FRAME_DESC_PER_URB;
for (j = 0 ; j < ISO_FRAME_DESC_PER_URB; j++)
aurb[i].urb.iso_frame_desc[j].length = len;
- if (in) {
+ if (pid == USB_TOKEN_IN) {
aurb[i].urb.endpoint |= 0x80;
/* Mark as fully consumed (idle) */
aurb[i].iso_frame_idx = ISO_FRAME_DESC_PER_URB;
}
}
- set_iso_urb(s, ep, aurb);
+ set_iso_urb(s, pid, ep, aurb);
return aurb;
}
-static void usb_host_stop_n_free_iso(USBHostDevice *s, uint8_t ep)
+static void usb_host_stop_n_free_iso(USBHostDevice *s, int pid, uint8_t ep)
{
AsyncURB *aurb;
int i, ret, killed = 0, free = 1;
- aurb = get_iso_urb(s, ep);
+ aurb = get_iso_urb(s, pid, ep);
if (!aurb) {
return;
}
if (aurb[i].iso_frame_idx == -1) {
ret = ioctl(s->fd, USBDEVFS_DISCARDURB, &aurb[i]);
if (ret < 0) {
- printf("husb: discard isoc in urb failed errno %d\n", errno);
+ perror("USBDEVFS_DISCARDURB");
free = 0;
continue;
}
g_free(aurb);
else
printf("husb: leaking iso urbs because of discard failure\n");
- set_iso_urb(s, ep, NULL);
- set_iso_urb_idx(s, ep, 0);
- clear_iso_started(s, ep);
+ set_iso_urb(s, pid, ep, NULL);
+ set_iso_urb_idx(s, pid, ep, 0);
+ clear_iso_started(s, pid, ep);
}
static int urb_status_to_usb_ret(int status)
int i, j, ret, max_packet_size, offset, len = 0;
uint8_t *buf;
- max_packet_size = get_max_packet_size(s, p->devep);
+ max_packet_size = get_max_packet_size(s, p->pid, p->devep);
if (max_packet_size == 0)
return USB_RET_NAK;
- aurb = get_iso_urb(s, p->devep);
+ aurb = get_iso_urb(s, p->pid, p->devep);
if (!aurb) {
- aurb = usb_host_alloc_iso(s, p->devep, in);
+ aurb = usb_host_alloc_iso(s, p->pid, p->devep);
}
- i = get_iso_urb_idx(s, p->devep);
+ i = get_iso_urb_idx(s, p->pid, p->devep);
j = aurb[i].iso_frame_idx;
if (j >= 0 && j < ISO_FRAME_DESC_PER_URB) {
if (in) {
}
} else {
len = p->iov.size;
- offset = (j == 0) ? 0 : get_iso_buffer_used(s, p->devep);
+ offset = (j == 0) ? 0 : get_iso_buffer_used(s, p->pid, p->devep);
/* Check the frame fits */
if (len > max_packet_size) {
usb_packet_copy(p, aurb[i].urb.buffer + offset, len);
aurb[i].urb.iso_frame_desc[j].length = len;
offset += len;
- set_iso_buffer_used(s, p->devep, offset);
+ set_iso_buffer_used(s, p->pid, p->devep, offset);
/* Start the stream once we have buffered enough data */
- if (!is_iso_started(s, p->devep) && i == 1 && j == 8) {
- set_iso_started(s, p->devep);
+ if (!is_iso_started(s, p->pid, p->devep) && i == 1 && j == 8) {
+ set_iso_started(s, p->pid, p->devep);
}
}
aurb[i].iso_frame_idx++;
if (aurb[i].iso_frame_idx == ISO_FRAME_DESC_PER_URB) {
i = (i + 1) % s->iso_urb_count;
- set_iso_urb_idx(s, p->devep, i);
+ set_iso_urb_idx(s, p->pid, p->devep, i);
}
} else {
if (in) {
- set_iso_started(s, p->devep);
+ set_iso_started(s, p->pid, p->devep);
} else {
DPRINTF("hubs: iso out error no free buffer, dropping packet\n");
}
}
- if (is_iso_started(s, p->devep)) {
+ if (is_iso_started(s, p->pid, p->devep)) {
/* (Re)-submit all fully consumed / filled urbs */
for (i = 0; i < s->iso_urb_count; i++) {
if (aurb[i].iso_frame_idx == ISO_FRAME_DESC_PER_URB) {
ret = ioctl(s->fd, USBDEVFS_SUBMITURB, &aurb[i]);
if (ret < 0) {
- printf("husb error submitting iso urb %d: %d\n", i, errno);
+ perror("USBDEVFS_SUBMITURB");
if (!in || len == 0) {
switch(errno) {
case ETIMEDOUT:
break;
}
aurb[i].iso_frame_idx = -1;
- change_iso_inflight(s, p->devep, +1);
+ change_iso_inflight(s, p->pid, p->devep, 1);
}
}
}
uint8_t *pbuf;
uint8_t ep;
- if (!is_valid(s, p->devep)) {
+ trace_usb_host_req_data(s->bus_num, s->addr,
+ p->pid == USB_TOKEN_IN,
+ p->devep, p->iov.size);
+
+ if (!is_valid(s, p->pid, p->devep)) {
+ trace_usb_host_req_complete(s->bus_num, s->addr, USB_RET_NAK);
return USB_RET_NAK;
}
ep = p->devep;
}
- if (is_halted(s, p->devep)) {
- ret = ioctl(s->fd, USBDEVFS_CLEAR_HALT, &ep);
+ if (is_halted(s, p->pid, p->devep)) {
+ unsigned int arg = ep;
+ ret = ioctl(s->fd, USBDEVFS_CLEAR_HALT, &arg);
if (ret < 0) {
- DPRINTF("husb: failed to clear halt. ep 0x%x errno %d\n",
- ep, errno);
+ perror("USBDEVFS_CLEAR_HALT");
+ trace_usb_host_req_complete(s->bus_num, s->addr, USB_RET_NAK);
return USB_RET_NAK;
}
- clear_halt(s, p->devep);
+ clear_halt(s, p->pid, p->devep);
}
- if (is_isoc(s, p->devep)) {
+ if (is_isoc(s, p->pid, p->devep)) {
return usb_host_handle_iso_data(s, p, p->pid == USB_TOKEN_IN);
}
aurb->more = 1;
}
+ trace_usb_host_urb_submit(s->bus_num, s->addr, aurb,
+ urb->buffer_length, aurb->more);
ret = ioctl(s->fd, USBDEVFS_SUBMITURB, urb);
DPRINTF("husb: data submit: ep 0x%x, len %u, more %d, packet %p, aurb %p\n",
urb->endpoint, urb->buffer_length, aurb->more, p, aurb);
if (ret < 0) {
- DPRINTF("husb: submit failed. errno %d\n", errno);
+ perror("USBDEVFS_SUBMITURB");
async_free(aurb);
switch(errno) {
case ETIMEDOUT:
+ trace_usb_host_req_complete(s->bus_num, s->addr, USB_RET_NAK);
return USB_RET_NAK;
case EPIPE:
default:
+ trace_usb_host_req_complete(s->bus_num, s->addr, USB_RET_STALL);
return USB_RET_STALL;
}
}
static int usb_host_set_address(USBHostDevice *s, int addr)
{
- DPRINTF("husb: ctrl set addr %u\n", addr);
+ trace_usb_host_set_address(s->bus_num, s->addr, addr);
s->dev.addr = addr;
return 0;
}
static int usb_host_set_config(USBHostDevice *s, int config)
{
+ trace_usb_host_set_config(s->bus_num, s->addr, config);
+
usb_host_release_interfaces(s);
int ret = ioctl(s->fd, USBDEVFS_SETCONFIGURATION, &config);
return ctrl_error();
}
usb_host_claim_interfaces(s, config);
+ usb_linux_update_endp_table(s);
return 0;
}
struct usbdevfs_setinterface si;
int i, ret;
+ trace_usb_host_set_interface(s->bus_num, s->addr, iface, alt);
+
for (i = 1; i <= MAX_ENDPOINTS; i++) {
- if (is_isoc(s, i)) {
- usb_host_stop_n_free_iso(s, i);
+ if (is_isoc(s, USB_TOKEN_IN, i)) {
+ usb_host_stop_n_free_iso(s, USB_TOKEN_IN, i);
+ }
+ if (is_isoc(s, USB_TOKEN_OUT, i)) {
+ usb_host_stop_n_free_iso(s, USB_TOKEN_OUT, i);
}
}
*/
/* Note request is (bRequestType << 8) | bRequest */
- DPRINTF("husb: ctrl type 0x%x req 0x%x val 0x%x index %u len %u\n",
- request >> 8, request & 0xff, value, index, length);
+ trace_usb_host_req_control(s->bus_num, s->addr, request, value, index);
switch (request) {
case DeviceOutRequest | USB_REQ_SET_ADDRESS:
urb->usercontext = s;
+ trace_usb_host_urb_submit(s->bus_num, s->addr, aurb,
+ urb->buffer_length, aurb->more);
ret = ioctl(s->fd, USBDEVFS_SUBMITURB, urb);
DPRINTF("husb: submit ctrl. len %u aurb %p\n", urb->buffer_length, aurb);
return USB_RET_ASYNC;
}
-static int usb_linux_get_configuration(USBHostDevice *s)
-{
- uint8_t configuration;
- struct usb_ctrltransfer ct;
- int ret;
-
- if (usb_fs_type == USB_FS_SYS) {
- char device_name[32], line[1024];
- int configuration;
-
- sprintf(device_name, "%d-%s", s->bus_num, s->port);
-
- if (!usb_host_read_file(line, sizeof(line), "bConfigurationValue",
- device_name)) {
- goto usbdevfs;
- }
- if (sscanf(line, "%d", &configuration) != 1) {
- goto usbdevfs;
- }
- return configuration;
- }
-
-usbdevfs:
- ct.bRequestType = USB_DIR_IN;
- ct.bRequest = USB_REQ_GET_CONFIGURATION;
- ct.wValue = 0;
- ct.wIndex = 0;
- ct.wLength = 1;
- ct.data = &configuration;
- ct.timeout = 50;
-
- ret = ioctl(s->fd, USBDEVFS_CONTROL, &ct);
- if (ret < 0) {
- perror("usb_linux_get_configuration");
- return -1;
- }
-
- /* in address state */
- if (configuration == 0) {
- return -1;
- }
-
- return configuration;
-}
-
static uint8_t usb_linux_get_alt_setting(USBHostDevice *s,
uint8_t configuration, uint8_t interface)
{
static int usb_linux_update_endp_table(USBHostDevice *s)
{
uint8_t *descriptors;
- uint8_t devep, type, configuration, alt_interface;
- int interface, length, i;
+ uint8_t devep, type, alt_interface;
+ int interface, length, i, ep, pid;
+ struct endp_data *epd;
- for (i = 0; i < MAX_ENDPOINTS; i++)
- s->endp_table[i].type = INVALID_EP_TYPE;
+ for (i = 0; i < MAX_ENDPOINTS; i++) {
+ s->ep_in[i].type = INVALID_EP_TYPE;
+ s->ep_out[i].type = INVALID_EP_TYPE;
+ }
- i = usb_linux_get_configuration(s);
- if (i < 0)
- return 1;
- configuration = i;
+ if (s->configuration == 0) {
+ /* not configured yet -- leave all endpoints disabled */
+ return 0;
+ }
/* get the desired configuration, interface, and endpoint descriptors
* from device description */
i = 0;
if (descriptors[i + 1] != USB_DT_CONFIG ||
- descriptors[i + 5] != configuration) {
- DPRINTF("invalid descriptor data - configuration\n");
+ descriptors[i + 5] != s->configuration) {
+ fprintf(stderr, "invalid descriptor data - configuration %d\n",
+ s->configuration);
return 1;
}
i += descriptors[i];
}
interface = descriptors[i + 2];
- alt_interface = usb_linux_get_alt_setting(s, configuration, interface);
+ alt_interface = usb_linux_get_alt_setting(s, s->configuration,
+ interface);
/* the current interface descriptor is the active interface
* and has endpoints */
}
devep = descriptors[i + 2];
- if ((devep & 0x0f) == 0) {
+ pid = (devep & USB_DIR_IN) ? USB_TOKEN_IN : USB_TOKEN_OUT;
+ ep = devep & 0xf;
+ if (ep == 0) {
fprintf(stderr, "usb-linux: invalid ep descriptor, ep == 0\n");
return 1;
}
break;
case 0x01:
type = USBDEVFS_URB_TYPE_ISO;
- set_max_packet_size(s, (devep & 0xf), descriptors + i);
+ set_max_packet_size(s, pid, ep, descriptors + i);
break;
case 0x02:
type = USBDEVFS_URB_TYPE_BULK;
DPRINTF("usb_host: malformed endpoint type\n");
type = USBDEVFS_URB_TYPE_BULK;
}
- s->endp_table[(devep & 0xf) - 1].type = type;
- s->endp_table[(devep & 0xf) - 1].halted = 0;
+ epd = get_endp(s, pid, ep);
+ assert(epd->type == INVALID_EP_TYPE);
+ epd->type = type;
+ epd->halted = 0;
i += descriptors[i];
}
}
static int usb_host_open(USBHostDevice *dev, int bus_num,
- int addr, char *port, const char *prod_name, int speed)
+ int addr, const char *port,
+ const char *prod_name, int speed)
{
int fd = -1, ret;
char buf[1024];
+ trace_usb_host_open_started(bus_num, addr);
+
if (dev->fd != -1) {
goto fail;
}
- printf("husb: open device %d.%d\n", bus_num, addr);
if (!usb_host_device_path) {
perror("husb: USB Host Device Path not set");
#endif
- /*
- * Initial configuration is -1 which makes us claim first
- * available config. We used to start with 1, which does not
- * always work. I've seen devices where first config starts
- * with 2.
- */
- if (!usb_host_claim_interfaces(dev, -1)) {
+ /* start unconfigured -- we'll wait for the guest to set a configuration */
+ if (!usb_host_claim_interfaces(dev, 0)) {
goto fail;
}
dev->dev.speedmask |= USB_SPEED_MASK_FULL;
}
- printf("husb: grabbed usb device %d.%d\n", bus_num, addr);
+ trace_usb_host_open_success(bus_num, addr);
if (!prod_name || prod_name[0] == '\0') {
snprintf(dev->dev.product_desc, sizeof(dev->dev.product_desc),
return 0;
fail:
+ trace_usb_host_open_failure(bus_num, addr);
if (dev->fd != -1) {
close(dev->fd);
dev->fd = -1;
return -1;
}
+ trace_usb_host_close(dev->bus_num, dev->addr);
+
qemu_set_fd_handler(dev->fd, NULL, NULL, NULL);
dev->closing = 1;
for (i = 1; i <= MAX_ENDPOINTS; i++) {
- if (is_isoc(dev, i)) {
- usb_host_stop_n_free_iso(dev, i);
+ if (is_isoc(dev, USB_TOKEN_IN, i)) {
+ usb_host_stop_n_free_iso(dev, USB_TOKEN_IN, i);
+ }
+ if (is_isoc(dev, USB_TOKEN_OUT, i)) {
+ usb_host_stop_n_free_iso(dev, USB_TOKEN_OUT, i);
}
}
async_complete(dev);
dev->auto_attach = 0;
s->fd = -1;
+ s->hub_fd = -1;
+
QTAILQ_INSERT_TAIL(&hostdevs, s, next);
s->exit.notify = usb_host_exit_notifier;
qemu_add_exit_notifier(&s->exit);
usb_host_auto_check(NULL);
+
+#ifdef USBDEVFS_CLAIM_PORT
+ if (s->match.bus_num != 0 && s->match.port != NULL) {
+ char *h, hub_name[64], line[1024];
+ int hub_addr, portnr, ret;
+
+ snprintf(hub_name, sizeof(hub_name), "%d-%s",
+ s->match.bus_num, s->match.port);
+
+ /* try strip off last ".$portnr" to get hub */
+ h = strrchr(hub_name, '.');
+ if (h != NULL) {
+ portnr = atoi(h+1);
+ *h = '\0';
+ } else {
+ /* no dot in there -> it is the root hub */
+ snprintf(hub_name, sizeof(hub_name), "usb%d",
+ s->match.bus_num);
+ portnr = atoi(s->match.port);
+ }
+
+ if (!usb_host_read_file(line, sizeof(line), "devnum",
+ hub_name)) {
+ goto out;
+ }
+ if (sscanf(line, "%d", &hub_addr) != 1) {
+ goto out;
+ }
+
+ if (!usb_host_device_path) {
+ goto out;
+ }
+ snprintf(line, sizeof(line), "%s/%03d/%03d",
+ usb_host_device_path, s->match.bus_num, hub_addr);
+ s->hub_fd = open(line, O_RDWR | O_NONBLOCK);
+ if (s->hub_fd < 0) {
+ goto out;
+ }
+
+ ret = ioctl(s->hub_fd, USBDEVFS_CLAIM_PORT, &portnr);
+ if (ret < 0) {
+ close(s->hub_fd);
+ s->hub_fd = -1;
+ goto out;
+ }
+
+ trace_usb_host_claim_port(s->match.bus_num, hub_addr, portnr);
+ }
+out:
+#endif
+
return 0;
}
+static const VMStateDescription vmstate_usb_host = {
+ .name = "usb-host",
+ .unmigratable = 1,
+};
+
static struct USBDeviceInfo usb_host_dev_info = {
.product_desc = "USB Host Device",
.qdev.name = "usb-host",
.qdev.size = sizeof(USBHostDevice),
+ .qdev.vmsd = &vmstate_usb_host,
.init = usb_host_initfn,
.handle_packet = usb_generic_handle_packet,
.cancel_packet = usb_host_async_cancel,
FILE *f = NULL;
char line[1024];
char buf[1024];
- int bus_num, addr, speed, device_count, class_id, product_id, vendor_id;
+ int bus_num, addr, speed, device_count;
+ int class_id, product_id, vendor_id, port;
char product_name[512];
int ret = 0;
}
device_count = 0;
- bus_num = addr = class_id = product_id = vendor_id = 0;
+ bus_num = addr = class_id = product_id = vendor_id = port = 0;
speed = -1; /* Can't get the speed from /[proc|dev]/bus/usb/devices */
for(;;) {
if (fgets(line, sizeof(line), f) == NULL) {
goto fail;
}
bus_num = atoi(buf);
+ if (get_tag_value(buf, sizeof(buf), line, "Port=", " ") < 0) {
+ goto fail;
+ }
+ port = atoi(buf);
if (get_tag_value(buf, sizeof(buf), line, "Dev#=", " ") < 0) {
goto fail;
}
}
if (device_count && (vendor_id || product_id)) {
/* Add the last device. */
- ret = func(opaque, bus_num, addr, 0, class_id, vendor_id,
+ if (port > 0) {
+ snprintf(buf, sizeof(buf), "%d", port);
+ } else {
+ snprintf(buf, sizeof(buf), "?");
+ }
+ ret = func(opaque, bus_num, addr, buf, class_id, vendor_id,
product_id, product_name, speed);
}
the_end:
static QEMUTimer *usb_auto_timer;
-static int usb_host_auto_scan(void *opaque, int bus_num, int addr, char *port,
+static int usb_host_auto_scan(void *opaque, int bus_num,
+ int addr, const char *port,
int class_id, int vendor_id, int product_id,
const char *product_name, int speed)
{
continue;
}
/* We got a match */
+ s->seen++;
+ if (s->errcount >= 3) {
+ return 0;
+ }
/* Already attached ? */
if (s->fd != -1) {
}
DPRINTF("husb: auto open: bus_num %d addr %d\n", bus_num, addr);
- usb_host_open(s, bus_num, addr, port, product_name, speed);
+ if (usb_host_open(s, bus_num, addr, port, product_name, speed) < 0) {
+ s->errcount++;
+ }
break;
}
if (s->fd == -1) {
unconnected++;
}
+ if (s->seen == 0) {
+ s->errcount = 0;
+ }
+ s->seen = 0;
}
if (unconnected == 0) {
/* nothing to watch */
if (usb_auto_timer) {
qemu_del_timer(usb_auto_timer);
+ trace_usb_host_auto_scan_disabled();
}
return;
}
if (!usb_auto_timer) {
return;
}
+ trace_usb_host_auto_scan_enabled();
}
qemu_mod_timer(usb_auto_timer, qemu_get_clock_ms(rt_clock) + 2000);
}
return p->class_name;
}
-static void usb_info_device(Monitor *mon, int bus_num, int addr, char *port,
+static void usb_info_device(Monitor *mon, int bus_num,
+ int addr, const char *port,
int class_id, int vendor_id, int product_id,
const char *product_name,
int speed)
}
static int usb_host_info_device(void *opaque, int bus_num, int addr,
- char *path, int class_id,
+ const char *path, int class_id,
int vendor_id, int product_id,
const char *product_name,
int speed)
projects / qemu.git / commitdiff