diff options
author | Steve French <sfrench@us.ibm.com> | 2006-03-31 03:35:56 +0000 |
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committer | Steve French <sfrench@us.ibm.com> | 2006-03-31 03:35:56 +0000 |
commit | d62e54abca1146981fc9f98f85ff398a113a22c2 (patch) | |
tree | 870420dbc4c65e716dcef8a802aafdc0ef97a8b4 /include/asm-powerpc/hvconsole.h | |
parent | fd4a0b92db6a57cba8d03efbe1cebf91f9124ce0 (diff) | |
parent | ce362c009250340358a7221f3cdb7954cbf19c01 (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.h | 26 |
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 */ |