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-rw-r--r--arch/um/include/chan_kern.h25
-rw-r--r--arch/um/include/choose-mode.h3
-rw-r--r--arch/um/include/irq_user.h13
-rw-r--r--arch/um/include/kern.h13
-rw-r--r--arch/um/include/line.h37
-rw-r--r--arch/um/include/mconsole.h8
-rw-r--r--arch/um/include/os.h17
-rw-r--r--arch/um/include/user_util.h1
8 files changed, 48 insertions, 69 deletions
diff --git a/arch/um/include/chan_kern.h b/arch/um/include/chan_kern.h
index da9a671..1bb5e9d 100644
--- a/arch/um/include/chan_kern.h
+++ b/arch/um/include/chan_kern.h
@@ -14,21 +14,23 @@
struct chan {
struct list_head list;
+ struct list_head free_list;
+ struct line *line;
char *dev;
unsigned int primary:1;
unsigned int input:1;
unsigned int output:1;
unsigned int opened:1;
+ unsigned int enabled:1;
int fd;
- enum chan_init_pri pri;
struct chan_ops *ops;
void *data;
};
extern void chan_interrupt(struct list_head *chans, struct work_struct *task,
struct tty_struct *tty, int irq);
-extern int parse_chan_pair(char *str, struct list_head *chans, int pri,
- int device, struct chan_opts *opts);
+extern int parse_chan_pair(char *str, struct line *line, int device,
+ struct chan_opts *opts);
extern int open_chan(struct list_head *chans);
extern int write_chan(struct list_head *chans, const char *buf, int len,
int write_irq);
@@ -36,9 +38,11 @@ extern int console_write_chan(struct list_head *chans, const char *buf,
int len);
extern int console_open_chan(struct line *line, struct console *co,
struct chan_opts *opts);
-extern void close_chan(struct list_head *chans);
+extern void deactivate_chan(struct list_head *chans, int irq);
+extern void reactivate_chan(struct list_head *chans, int irq);
extern void chan_enable_winch(struct list_head *chans, struct tty_struct *tty);
-extern void enable_chan(struct list_head *chans, struct tty_struct *tty);
+extern void enable_chan(struct line *line);
+extern void close_chan(struct list_head *chans, int delay_free_irq);
extern int chan_window_size(struct list_head *chans,
unsigned short *rows_out,
unsigned short *cols_out);
@@ -47,14 +51,3 @@ extern int chan_config_string(struct list_head *chans, char *str, int size,
char **error_out);
#endif
-
-/*
- * Overrides for Emacs so that we follow Linus's tabbing style.
- * Emacs will notice this stuff at the end of the file and automatically
- * adjust the settings for this buffer only. This must remain at the end
- * of the file.
- * ---------------------------------------------------------------------------
- * Local variables:
- * c-file-style: "linux"
- * End:
- */
diff --git a/arch/um/include/choose-mode.h b/arch/um/include/choose-mode.h
index f25fa83..b87b36a 100644
--- a/arch/um/include/choose-mode.h
+++ b/arch/um/include/choose-mode.h
@@ -23,6 +23,9 @@ static inline void *__choose_mode(void *tt, void *skas) {
#elif defined(UML_CONFIG_MODE_TT)
#define CHOOSE_MODE(tt, skas) (tt)
+
+#else
+#error CONFIG_MODE_SKAS and CONFIG_MODE_TT are both disabled
#endif
#define CHOOSE_MODE_PROC(tt, skas, args...) \
diff --git a/arch/um/include/irq_user.h b/arch/um/include/irq_user.h
index f724b71..b61deb8 100644
--- a/arch/um/include/irq_user.h
+++ b/arch/um/include/irq_user.h
@@ -18,19 +18,8 @@ extern int deactivate_all_fds(void);
extern void forward_interrupts(int pid);
extern void init_irq_signals(int on_sigstack);
extern void forward_ipi(int fd, int pid);
-extern void free_irq_later(int irq, void *dev_id);
extern int activate_ipi(int fd, int pid);
extern unsigned long irq_lock(void);
extern void irq_unlock(unsigned long flags);
-#endif
-/*
- * Overrides for Emacs so that we follow Linus's tabbing style.
- * Emacs will notice this stuff at the end of the file and automatically
- * adjust the settings for this buffer only. This must remain at the end
- * of the file.
- * ---------------------------------------------------------------------------
- * Local variables:
- * c-file-style: "linux"
- * End:
- */
+#endif
diff --git a/arch/um/include/kern.h b/arch/um/include/kern.h
index 1e31707..7d223be 100644
--- a/arch/um/include/kern.h
+++ b/arch/um/include/kern.h
@@ -17,7 +17,7 @@ extern int errno;
extern int clone(int (*proc)(void *), void *sp, int flags, void *data);
extern int sleep(int);
-extern int printf(char *fmt, ...);
+extern int printf(const char *fmt, ...);
extern char *strerror(int errnum);
extern char *ptsname(int __fd);
extern int munmap(void *, int);
@@ -35,15 +35,6 @@ extern int read(unsigned int, char *, int);
extern int pipe(int *);
extern int sched_yield(void);
extern int ptrace(int op, int pid, long addr, long data);
+
#endif
-/*
- * Overrides for Emacs so that we follow Linus's tabbing style.
- * Emacs will notice this stuff at the end of the file and automatically
- * adjust the settings for this buffer only. This must remain at the end
- * of the file.
- * ---------------------------------------------------------------------------
- * Local variables:
- * c-file-style: "linux"
- * End:
- */
diff --git a/arch/um/include/line.h b/arch/um/include/line.h
index 5323d22..6f4d680 100644
--- a/arch/um/include/line.h
+++ b/arch/um/include/line.h
@@ -32,11 +32,13 @@ struct line_driver {
};
struct line {
+ struct tty_struct *tty;
char *init_str;
int init_pri;
struct list_head chan_list;
int valid;
int count;
+ int throttled;
/*This lock is actually, mostly, local to*/
spinlock_t lock;
@@ -58,14 +60,15 @@ struct line {
#define LINE_INIT(str, d) \
{ init_str : str, \
init_pri : INIT_STATIC, \
- chan_list : { }, \
valid : 1, \
+ throttled : 0, \
+ lock : SPIN_LOCK_UNLOCKED, \
buffer : NULL, \
head : NULL, \
tail : NULL, \
sigio : 0, \
- driver : d, \
- have_irq : 0 }
+ driver : d, \
+ have_irq : 0 }
struct lines {
int num;
@@ -74,11 +77,11 @@ struct lines {
#define LINES_INIT(n) { num : n }
extern void line_close(struct tty_struct *tty, struct file * filp);
-extern int line_open(struct line *lines, struct tty_struct *tty,
- struct chan_opts *opts);
-extern int line_setup(struct line *lines, unsigned int sizeof_lines, char *init,
- int all_allowed);
-extern int line_write(struct tty_struct *tty, const unsigned char *buf, int len);
+extern int line_open(struct line *lines, struct tty_struct *tty);
+extern int line_setup(struct line *lines, unsigned int sizeof_lines,
+ char *init);
+extern int line_write(struct tty_struct *tty, const unsigned char *buf,
+ int len);
extern void line_put_char(struct tty_struct *tty, unsigned char ch);
extern void line_set_termios(struct tty_struct *tty, struct termios * old);
extern int line_chars_in_buffer(struct tty_struct *tty);
@@ -87,23 +90,27 @@ extern void line_flush_chars(struct tty_struct *tty);
extern int line_write_room(struct tty_struct *tty);
extern int line_ioctl(struct tty_struct *tty, struct file * file,
unsigned int cmd, unsigned long arg);
+extern void line_throttle(struct tty_struct *tty);
+extern void line_unthrottle(struct tty_struct *tty);
extern char *add_xterm_umid(char *base);
-extern int line_setup_irq(int fd, int input, int output, struct tty_struct *tty);
+extern int line_setup_irq(int fd, int input, int output, struct line *line,
+ void *data);
extern void line_close_chan(struct line *line);
-extern void line_disable(struct tty_struct *tty, int current_irq);
-extern struct tty_driver * line_register_devfs(struct lines *set,
- struct line_driver *line_driver,
+extern struct tty_driver * line_register_devfs(struct lines *set,
+ struct line_driver *line_driver,
struct tty_operations *driver,
struct line *lines,
int nlines);
-extern void lines_init(struct line *lines, int nlines);
+extern void lines_init(struct line *lines, int nlines, struct chan_opts *opts);
extern void close_lines(struct line *lines, int nlines);
-extern int line_config(struct line *lines, unsigned int sizeof_lines, char *str);
+extern int line_config(struct line *lines, unsigned int sizeof_lines,
+ char *str, struct chan_opts *opts);
extern int line_id(char **str, int *start_out, int *end_out);
extern int line_remove(struct line *lines, unsigned int sizeof_lines, int n);
-extern int line_get_config(char *dev, struct line *lines, unsigned int sizeof_lines, char *str,
+extern int line_get_config(char *dev, struct line *lines,
+ unsigned int sizeof_lines, char *str,
int size, char **error_out);
#endif
diff --git a/arch/um/include/mconsole.h b/arch/um/include/mconsole.h
index b1b512f..58f67d3 100644
--- a/arch/um/include/mconsole.h
+++ b/arch/um/include/mconsole.h
@@ -32,7 +32,7 @@ struct mconsole_reply {
struct mconsole_notify {
u32 magic;
- u32 version;
+ u32 version;
enum { MCONSOLE_SOCKET, MCONSOLE_PANIC, MCONSOLE_HANG,
MCONSOLE_USER_NOTIFY } type;
u32 len;
@@ -66,7 +66,9 @@ struct mc_request
extern char mconsole_socket_name[];
extern int mconsole_unlink_socket(void);
-extern int mconsole_reply(struct mc_request *req, char *reply, int err,
+extern int mconsole_reply_len(struct mc_request *req, const char *reply,
+ int len, int err, int more);
+extern int mconsole_reply(struct mc_request *req, const char *str, int err,
int more);
extern void mconsole_version(struct mc_request *req);
@@ -84,7 +86,7 @@ extern void mconsole_proc(struct mc_request *req);
extern void mconsole_stack(struct mc_request *req);
extern int mconsole_get_request(int fd, struct mc_request *req);
-extern int mconsole_notify(char *sock_name, int type, const void *data,
+extern int mconsole_notify(char *sock_name, int type, const void *data,
int len);
extern char *mconsole_notify_socket(void);
extern void lock_notify(void);
diff --git a/arch/um/include/os.h b/arch/um/include/os.h
index 2cccfa5..c279ee6 100644
--- a/arch/um/include/os.h
+++ b/arch/um/include/os.h
@@ -213,15 +213,10 @@ extern int run_helper_thread(int (*proc)(void *), void *arg,
int stack_order);
extern int helper_wait(int pid);
-#endif
+/* umid.c */
-/*
- * Overrides for Emacs so that we follow Linus's tabbing style.
- * Emacs will notice this stuff at the end of the file and automatically
- * adjust the settings for this buffer only. This must remain at the end
- * of the file.
- * ---------------------------------------------------------------------------
- * Local variables:
- * c-file-style: "linux"
- * End:
- */
+extern int umid_file_name(char *name, char *buf, int len);
+extern int set_umid(char *name);
+extern char *get_umid(void);
+
+#endif
diff --git a/arch/um/include/user_util.h b/arch/um/include/user_util.h
index bb505e0..b998400 100644
--- a/arch/um/include/user_util.h
+++ b/arch/um/include/user_util.h
@@ -64,7 +64,6 @@ extern void setup_machinename(char *machine_out);
extern void setup_hostinfo(void);
extern void do_exec(int old_pid, int new_pid);
extern void tracer_panic(char *msg, ...);
-extern char *get_umid(int only_if_set);
extern void do_longjmp(void *p, int val);
extern int detach(int pid, int sig);
extern int attach(int pid);
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