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authorSteve French <sfrench@us.ibm.com>2006-03-31 03:35:56 +0000
committerSteve French <sfrench@us.ibm.com>2006-03-31 03:35:56 +0000
commitd62e54abca1146981fc9f98f85ff398a113a22c2 (patch)
tree870420dbc4c65e716dcef8a802aafdc0ef97a8b4 /include/asm-powerpc/hvconsole.h
parentfd4a0b92db6a57cba8d03efbe1cebf91f9124ce0 (diff)
parentce362c009250340358a7221f3cdb7954cbf19c01 (diff)
Merge with /pub/scm/linux/kernel/git/torvalds/linux-2.6.git
Signed-off-by: Steve French <sfrench@us.ibm.com>
Diffstat (limited to 'include/asm-powerpc/hvconsole.h')
-rw-r--r--include/asm-powerpc/hvconsole.h26
1 files changed, 8 insertions, 18 deletions
diff --git a/include/asm-powerpc/hvconsole.h b/include/asm-powerpc/hvconsole.h
index 34daf7b9b62..35ea69e8121 100644
--- a/include/asm-powerpc/hvconsole.h
+++ b/include/asm-powerpc/hvconsole.h
@@ -24,28 +24,18 @@
#ifdef __KERNEL__
/*
- * 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.
+ * PSeries firmware will only send/recv up to 16 bytes of character data per
+ * hcall.
*/
-#define MAX_NR_HVC_CONSOLES 16
+#define MAX_VIO_PUT_CHARS 16
+#define SIZE_VIO_GET_CHARS 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);
-};
+/*
+ * Vio firmware always attempts to fetch MAX_VIO_GET_CHARS chars. The 'count'
+ * parm is included to conform to put_chars() function pointer template
+ */
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 /* __KERNEL__ */
#endif /* _PPC64_HVCONSOLE_H */