um: take mconsole*.h to arch/um/drivers

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Richard Weinberger <richard@nod.at>

2 files changed, 150 insertions, 0 deletions

diff --git a/arch/um/drivers/mconsole.h b/arch/um/drivers/mconsole.h
new file mode 100644
index 000000000000..c139ae1d6826
--- /dev/null
+++ b/arch/um/drivers/mconsole.h
@@ -0,0 +1,98 @@
+/*
+ * Copyright (C) 2001 Lennert Buytenhek (buytenh@gnu.org)
+ * Copyright (C) 2001 - 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com)
+ * Licensed under the GPL
+ */
+
+#ifndef __MCONSOLE_H__
+#define __MCONSOLE_H__
+
+#ifndef __KERNEL__
+#include <stdint.h>
+#define u32 uint32_t
+#endif
+
+#include "sysdep/ptrace.h"
+
+#define MCONSOLE_MAGIC (0xcafebabe)
+#define MCONSOLE_MAX_DATA (512)
+#define MCONSOLE_VERSION 2
+
+struct mconsole_request {
+        u32 magic;
+        u32 version;
+        u32 len;
+        char data[MCONSOLE_MAX_DATA];
+};
+
+struct mconsole_reply {
+        u32 err;
+        u32 more;
+        u32 len;
+        char data[MCONSOLE_MAX_DATA];
+};
+
+struct mconsole_notify {
+        u32 magic;
+        u32 version;
+        enum { MCONSOLE_SOCKET, MCONSOLE_PANIC, MCONSOLE_HANG,
+               MCONSOLE_USER_NOTIFY } type;
+        u32 len;
+        char data[MCONSOLE_MAX_DATA];
+};
+
+struct mc_request;
+
+enum mc_context { MCONSOLE_INTR, MCONSOLE_PROC };
+
+struct mconsole_command
+{
+        char *command;
+        void (*handler)(struct mc_request *req);
+        enum mc_context context;
+};
+
+struct mc_request
+{
+        int len;
+        int as_interrupt;
+
+        int originating_fd;
+        unsigned int originlen;
+        unsigned char origin[128];                      /* sockaddr_un */
+
+        struct mconsole_request request;
+        struct mconsole_command *cmd;
+        struct uml_pt_regs regs;
+};
+
+extern char mconsole_socket_name[];
+
+extern int mconsole_unlink_socket(void);
+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);
+extern void mconsole_help(struct mc_request *req);
+extern void mconsole_halt(struct mc_request *req);
+extern void mconsole_reboot(struct mc_request *req);
+extern void mconsole_config(struct mc_request *req);
+extern void mconsole_remove(struct mc_request *req);
+extern void mconsole_sysrq(struct mc_request *req);
+extern void mconsole_cad(struct mc_request *req);
+extern void mconsole_stop(struct mc_request *req);
+extern void mconsole_go(struct mc_request *req);
+extern void mconsole_log(struct mc_request *req);
+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,
+                           int len);
+extern char *mconsole_notify_socket(void);
+extern void lock_notify(void);
+extern void unlock_notify(void);
+
+#endif
diff --git a/arch/um/drivers/mconsole_kern.h b/arch/um/drivers/mconsole_kern.h
new file mode 100644
index 000000000000..d2fe07e78958
--- /dev/null
+++ b/arch/um/drivers/mconsole_kern.h
@@ -0,0 +1,52 @@
+/*
+ * Copyright (C) 2001, 2002 Jeff Dike (jdike@karaya.com)
+ * Licensed under the GPL
+ */
+
+#ifndef __MCONSOLE_KERN_H__
+#define __MCONSOLE_KERN_H__
+
+#include "linux/list.h"
+#include "mconsole.h"
+
+struct mconsole_entry {
+        struct list_head list;
+        struct mc_request request;
+};
+
+/* All these methods are called in process context. */
+struct mc_device {
+        struct list_head list;
+        char *name;
+        int (*config)(char *, char **);
+        int (*get_config)(char *, char *, int, char **);
+        int (*id)(char **, int *, int *);
+        int (*remove)(int, char **);
+};
+
+#define CONFIG_CHUNK(str, size, current, chunk, end) \
+do { \
+        current += strlen(chunk); \
+        if(current >= size) \
+                str = NULL; \
+        if(str != NULL){ \
+                strcpy(str, chunk); \
+                str += strlen(chunk); \
+        } \
+        if(end) \
+                current++; \
+} while(0)
+
+#ifdef CONFIG_MCONSOLE
+
+extern void mconsole_register_dev(struct mc_device *new);
+
+#else
+
+static inline void mconsole_register_dev(struct mc_device *new)
+{
+}
+
+#endif
+
+#endif