/* * This source code is a part of coLinux source package. * * Dan Aloni <da-x@colinux.org>, 2003 (c) * * The code is licensed under the GPL. See the COPYING file at * the root directory. */#ifndef __CO_KERNEL_MONITOR_H__#define __CO_KERNEL_MONITOR_H__#include <colinux/common/queue.h>#include <colinux/common/config.h>#include <colinux/common/import.h>#include <colinux/common/ioctl.h>#include <colinux/common/console.h>#include <colinux/common/messages.h>#include <colinux/arch/current/mmu.h>#include <colinux/os/kernel/mutex.h>#include <colinux/os/kernel/wait.h>#include <colinux/os/timer.h>struct co_monitor_device;struct co_monitor;struct co_manager_open_desc;typedef co_rc_t (*co_monitor_service_func_t)(struct co_monitor *cmon, 					     struct co_monitor_device *device,					     unsigned long *params);typedef struct co_monitor_device {	co_monitor_service_func_t service;	unsigned long state;	void *data;		co_queue_t out_queue;	co_queue_t in_queue;	co_os_mutex_t mutex;} co_monitor_device_t;typedef enum {	CO_MONITOR_STATE_EMPTY,	CO_MONITOR_STATE_INITIALIZED,	CO_MONITOR_STATE_RUNNING,	CO_MONITOR_STATE_STARTED,	CO_MONITOR_STATE_TERMINATED,} co_monitor_state_t;#define CO_MONITOR_MODULES_COUNT CO_MODULES_MAX/* * We use the following struct for each coLinux system.  */typedef struct co_monitor {	/*	 * Pointer back to the manager.	 */	struct co_manager *manager; 	int refcount;	bool_t listed_in_manager;	co_list_t node;	co_id_t id;	/*	 * OS-dependant data:	 */	struct co_monitor_osdep *osdep; 	/*	 * State of monitor.	 */ 	co_monitor_state_t state;	co_termination_reason_t termination_reason;	co_monitor_linux_bug_invocation_t bug_info;	/*	 * Configuration data.	 */	co_config_t config; 	/*	 * The passage page	 */	struct co_arch_passage_page *passage_page;  /* The virtual address of the 						       PP in the host */	vm_ptr_t passage_page_vaddr;                /* The virtual address of the 						       PP in Linux */	struct co_archdep_monitor *archdep;         /* Architecture dependent data */	/*	 * Core stuff (Linux kernel image) 	 */	vm_ptr_t core_vaddr;             /* Where the core sits (the famous C0100000) */	vm_ptr_t core_end;               /* Where the core ends */	unsigned long core_pages;        /* number of pages our core takes */    	co_symbols_import_t import;      /* Addresse of symbols in the kernel */	/*	 * Pseudo physical RAM	 */	unsigned long memory_size;      /* The size of Linux's pseudo physical RAM */	unsigned long physical_frames;  /* The number of pages in that RAM */	unsigned long end_physical;     /* In what virtual address the map of the 					   pseudo physical RAM ends */	co_pfn_t **pp_pfns;	/* 	 * Dynamic allocations in the host	 */	unsigned long blocks_allocated;	/*	 * Page global directory	 */	linux_pgd_t pgd;             /* Pointer to the physical address PGD of 					Linux (to be put in CR3 eventually */	co_pfn_t **pgd_pfns;	/*	 * Devices	 */	co_monitor_device_t devices[CO_DEVICES_TOTAL];	bool_t timer_interrupt;        /*         * Timer         */        co_os_timer_t timer;	co_timestamp_t timestamp;	co_timestamp_t timestamp_freq;	unsigned long long timestamp_reminder;	co_os_wait_t idle_wait;	/* 	 * Block devices	 */	struct co_block_dev *block_devs[CO_MODULE_MAX_COBD];	/*	 * File Systems	 */	struct co_filesystem *filesystems[CO_MODULE_MAX_COFS];	/*	 * Message passing stuff	 */ 	co_queue_t linux_message_queue;	co_os_mutex_t linux_message_queue_mutex;	co_io_buffer_t *io_buffer;	co_monitor_user_kernel_shared_t *shared;	void *shared_user_address;	void *shared_handle;	struct co_manager_open_desc *connected_modules[CO_MONITOR_MODULES_COUNT];	co_os_mutex_t connected_modules_write_lock;	co_console_t *console;        /*	 * initrd	 */	unsigned long initrd_address;	unsigned long initrd_size;	/*	 * Structures copied directly from the vmlinux file before it	 * is loaded in order to get kernel-specific info (such as 	 * segment registers) and API version.	 */	co_info_t info;	co_arch_info_t arch_info;} co_monitor_t;extern co_rc_t co_monitor_create(struct co_manager *manager, co_manager_ioctl_create_t *params, co_monitor_t **cmon_out);extern co_rc_t co_monitor_refdown(co_monitor_t *cmon, bool_t user_context, bool_t monitor_owner);struct co_manager_open_desc;extern co_rc_t co_monitor_ioctl(co_monitor_t *cmon, co_manager_ioctl_monitor_t *io_buffer,				unsigned long in_size, unsigned long out_size, 				unsigned long *return_size, struct co_manager_open_desc *opened_manager);extern co_rc_t co_monitor_alloc_pages(co_monitor_t *cmon, unsigned long pages, void **address);extern co_rc_t co_monitor_free_pages(co_monitor_t *cmon, unsigned long pages, void *address);extern co_rc_t co_monitor_malloc(co_monitor_t *cmon, unsigned long bytes, void **ptr);extern co_rc_t co_monitor_free(co_monitor_t *cmon, void *ptr);extern co_rc_t co_monitor_message_from_user(co_monitor_t *monitor, struct co_manager_open_desc *opened, co_message_t *message);/* * An accessors to values of our core's kernel symbols. */#define CO_MONITOR_KERNEL_SYMBOL(name)		        \	((void *)(((char *)cmon->core_image) +	        \		  (cmon->import.kernel_##name -	\		   cmon->core_vaddr)))#endif