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authorPaul Mackerras <paulus@samba.org>2005-11-14 17:22:01 +1100
committerPaul Mackerras <paulus@samba.org>2005-11-14 17:22:01 +1100
commitc55377ee73f6efeb373ae06f6e918d87660b4852 (patch)
tree8085472005f758e73d996d2b3e0e91064524d533 /include/asm-powerpc/hvconsole.h
parent821077b2617ef70662a861393c929d7e47609512 (diff)
powerpc: Move a bunch of ppc64 headers to include/asm-powerpc
... and also delete some that are no longer used because we already had an include/asm-powerpc version of the header. Signed-off-by: Paul Mackerras <paulus@samba.org>
Diffstat (limited to 'include/asm-powerpc/hvconsole.h')
-rw-r--r--include/asm-powerpc/hvconsole.h49
1 files changed, 49 insertions, 0 deletions
diff --git a/include/asm-powerpc/hvconsole.h b/include/asm-powerpc/hvconsole.h
new file mode 100644
index 00000000000..6da93ce74dc
--- /dev/null
+++ b/include/asm-powerpc/hvconsole.h
@@ -0,0 +1,49 @@
+/*
+ * hvconsole.h
+ * Copyright (C) 2004 Ryan S Arnold, IBM Corporation
+ *
+ * LPAR console support.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+
+#ifndef _PPC64_HVCONSOLE_H
+#define _PPC64_HVCONSOLE_H
+
+/*
+ * This is the max number of console adapters that can/will be found as
+ * console devices on first stage console init. Any number beyond this range
+ * can't be used as a console device but is still a valid tty device.
+ */
+#define MAX_NR_HVC_CONSOLES 16
+
+/* implemented by a low level driver */
+struct hv_ops {
+ int (*get_chars)(uint32_t vtermno, char *buf, int count);
+ int (*put_chars)(uint32_t vtermno, const char *buf, int count);
+};
+extern int hvc_get_chars(uint32_t vtermno, char *buf, int count);
+extern int hvc_put_chars(uint32_t vtermno, const char *buf, int count);
+
+struct hvc_struct;
+
+/* Register a vterm and a slot index for use as a console (console_init) */
+extern int hvc_instantiate(uint32_t vtermno, int index, struct hv_ops *ops);
+/* register a vterm for hvc tty operation (module_init or hotplug add) */
+extern struct hvc_struct * __devinit hvc_alloc(uint32_t vtermno, int irq,
+ struct hv_ops *ops);
+/* remove a vterm from hvc tty operation (modele_exit or hotplug remove) */
+extern int __devexit hvc_remove(struct hvc_struct *hp);
+#endif /* _PPC64_HVCONSOLE_H */