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Diffstat (limited to 'include/asm-ppc64/hvconsole.h')
-rw-r--r--include/asm-ppc64/hvconsole.h17
1 files changed, 13 insertions, 4 deletions
diff --git a/include/asm-ppc64/hvconsole.h b/include/asm-ppc64/hvconsole.h
index d89d94c91815..6da93ce74dc0 100644
--- a/include/asm-ppc64/hvconsole.h
+++ b/include/asm-ppc64/hvconsole.h
@@ -29,12 +29,21 @@
29 */ 29 */
30#define MAX_NR_HVC_CONSOLES 16 30#define MAX_NR_HVC_CONSOLES 16
31 31
32/* implemented by a low level driver */
33struct hv_ops {
34 int (*get_chars)(uint32_t vtermno, char *buf, int count);
35 int (*put_chars)(uint32_t vtermno, const char *buf, int count);
36};
32extern int hvc_get_chars(uint32_t vtermno, char *buf, int count); 37extern int hvc_get_chars(uint32_t vtermno, char *buf, int count);
33extern int hvc_put_chars(uint32_t vtermno, const char *buf, int count); 38extern int hvc_put_chars(uint32_t vtermno, const char *buf, int count);
34 39
35/* Early discovery of console adapters. */ 40struct hvc_struct;
36extern int hvc_find_vtys(void);
37 41
38/* Implemented by a console driver */ 42/* Register a vterm and a slot index for use as a console (console_init) */
39extern int hvc_instantiate(uint32_t vtermno, int index); 43extern int hvc_instantiate(uint32_t vtermno, int index, struct hv_ops *ops);
44/* register a vterm for hvc tty operation (module_init or hotplug add) */
45extern struct hvc_struct * __devinit hvc_alloc(uint32_t vtermno, int irq,
46 struct hv_ops *ops);
47/* remove a vterm from hvc tty operation (modele_exit or hotplug remove) */
48extern int __devexit hvc_remove(struct hvc_struct *hp);
40#endif /* _PPC64_HVCONSOLE_H */ 49#endif /* _PPC64_HVCONSOLE_H */