+static int hvterm_hvsi_get_chars(uint32_t vtermno, char *buf, int count)
+{
+ struct hvterm_priv *pv = hvterm_privs[vtermno];
+
+ if (WARN_ON(!pv))
+ return 0;
+
+ return hvsilib_get_chars(&pv->hvsi, buf, count);
+}
+
+static int hvterm_hvsi_put_chars(uint32_t vtermno, const char *buf, int count)
+{
+ struct hvterm_priv *pv = hvterm_privs[vtermno];
+
+ if (WARN_ON(!pv))
+ return 0;
+
+ return hvsilib_put_chars(&pv->hvsi, buf, count);
+}
+
+static int hvterm_hvsi_open(struct hvc_struct *hp, int data)
+{
+ struct hvterm_priv *pv = hvterm_privs[hp->vtermno];
+ int rc;
+
+ pr_devel("HVSI@%x: open !\n", pv->termno);
+
+ rc = notifier_add_irq(hp, data);
+ if (rc)
+ return rc;
+
+ return hvsilib_open(&pv->hvsi, hp);
+}
+
+static void hvterm_hvsi_close(struct hvc_struct *hp, int data)
+{
+ struct hvterm_priv *pv = hvterm_privs[hp->vtermno];
+
+ pr_devel("HVSI@%x: do close !\n", pv->termno);
+
+ hvsilib_close(&pv->hvsi, hp);
+
+ notifier_del_irq(hp, data);
+}
+
+void hvterm_hvsi_hangup(struct hvc_struct *hp, int data)
+{
+ struct hvterm_priv *pv = hvterm_privs[hp->vtermno];
+
+ pr_devel("HVSI@%x: do hangup !\n", pv->termno);
+
+ hvsilib_close(&pv->hvsi, hp);
+
+ notifier_hangup_irq(hp, data);
+}
+
+static int hvterm_hvsi_tiocmget(struct hvc_struct *hp)
+{
+ struct hvterm_priv *pv = hvterm_privs[hp->vtermno];
+
+ if (!pv)
+ return -EINVAL;
+ return pv->hvsi.mctrl;
+}
+
+static int hvterm_hvsi_tiocmset(struct hvc_struct *hp, unsigned int set,
+ unsigned int clear)
+{
+ struct hvterm_priv *pv = hvterm_privs[hp->vtermno];
+
+ pr_devel("HVSI@%x: Set modem control, set=%x,clr=%x\n",
+ pv->termno, set, clear);
+
+ if (set & TIOCM_DTR)
+ hvsilib_write_mctrl(&pv->hvsi, 1);
+ else if (clear & TIOCM_DTR)
+ hvsilib_write_mctrl(&pv->hvsi, 0);
+
+ return 0;
+}
+
+static const struct hv_ops hvterm_hvsi_ops = {
+ .get_chars = hvterm_hvsi_get_chars,
+ .put_chars = hvterm_hvsi_put_chars,
+ .notifier_add = hvterm_hvsi_open,
+ .notifier_del = hvterm_hvsi_close,
+ .notifier_hangup = hvterm_hvsi_hangup,
+ .tiocmget = hvterm_hvsi_tiocmget,
+ .tiocmset = hvterm_hvsi_tiocmset,
+};
+