/********************************************************/

/*  ntapi: Native API core library                      */

/*  Copyright (C) 2013--2017  Z. Gilboa                 */

/*  Released under GPLv2 and GPLv3; see COPYING.NTAPI.  */

/********************************************************/

#ifndef ___NTAPI_IMPL_H_

#define ___NTAPI_IMPL_H_

#include <psxtypes/psxtypes.h>

#include <ntapi/nt_object.h>

#include <ntapi/nt_sysinfo.h>

#include <ntapi/nt_thread.h>

#include <ntapi/nt_process.h>

#include <ntapi/ntapi.h>

#include "ntapi_hash_table.h"

#include "ntapi_context.h"

#include "ntapi_fnapi.h"

#define __NT_BASED_NAMED_OBJECTS	{'\\','B','a','s','e', \

					'N','a','m','e','d', \

					'O','b','j','e','c','t','s'}

/* helper macros */

#define __NT_ROUND_UP_TO_POWER_OF_2(x,y)(x + (y-1)) & ~(y-1)

#define __NT_IS_MISALIGNED_BUFFER(x)	((!(uintptr_t)x) || ((uintptr_t)x % sizeof(size_t)))

#define __NT_IS_MISALIGNED_LENGTH(x)	(x % sizeof(size_t))

#define __NT_FILE_SYNC_IO		(NT_FILE_SYNCHRONOUS_IO_ALERT|NT_FILE_SYNCHRONOUS_IO_NONALERT)

/* user-defined options: head */

#ifndef __NT_TTY_MONITORS

#define __NT_TTY_MONITORS		0x10

#endif

#ifndef __NT_FORK_CHILD_WAIT_MILLISEC

#define __NT_FORK_CHILD_WAIT_MILLISEC	60000

#endif

#ifndef __NT_SYNC_BLOCK_LOCK_TRIES

#define __NT_SYNC_BLOCK_LOCK_TRIES	1024

#endif

#ifndef __NT_IPC_PAGES

#define __NT_IPC_PAGES			64

#endif

/* user-defined options: tail */

/* internal page size */

#ifndef __NT_INTERNAL_PAGE_SIZE

#define __NT_INTERNAL_PAGE_SIZE		4096

#endif

/* .bss section */

#ifndef __NT_BSS_RESERVED_PAGES

#define __NT_BSS_RESERVED_PAGES		10

#endif

/* runtime buffers */

#define __NT_BSS_ARGV_BUFFER_SIZE	__NT_INTERNAL_PAGE_SIZE * 2

#define __NT_BSS_IPC_BUFFER_SIZE	__NT_INTERNAL_PAGE_SIZE * 2

#define __NT_BSS_ARGV_MAX_IDX		__NT_BSS_ARGV_BUFFER_SIZE \

					/ sizeof(uintptr_t)

#define __NT_BSS_ARGS_BUFFER_SIZE	__NT_INTERNAL_PAGE_SIZE \

					* __NT_BSS_RESERVED_PAGES \

					- __NT_BSS_ARGV_BUFFER_SIZE \

					- __NT_BSS_IPC_BUFFER_SIZE

/* ntapi .bss section structure */

typedef struct ___ntapi_img_sec_bss {

	wchar16_t *	argv_envp_array[__NT_BSS_ARGV_MAX_IDX];

	char		args_envs_buffer[__NT_BSS_ARGS_BUFFER_SIZE];

	size_t		ipc_buffer[__NT_BSS_IPC_BUFFER_SIZE / sizeof(size_t)];

} __ntapi_img_sec_bss;

/* ntapi library internals */

typedef struct __attr_ptr_size_aligned__ _ntapi_internals {

	nt_runtime_data *				rtdata;

	nt_port_name *					subsystem;

	nt_security_descriptor				seq_desc;

	nt_security_quality_of_service			seq_qos;

	nt_sid_any					sid_buffer;

	nt_sid *					sid;

	void *						hprocess;

	void *						htoken;

	void *						hport_tty_session;

	void *						hport_tty_daemon;

	void *						hport_tty_debug;

	void *						hport_tty_monitor[__NT_TTY_MONITORS];

	size_t						nt_mem_page_size;

	size_t						nt_mem_allocation_granularity;

	size_t						ntapi_internals_alloc_size;

	void **						csr_port_handle_addr;

	void *						hdev_mount_point_mgr;

	void *						hany[8];

	struct dalist_ex				ipc_conns;

	void *						ipc_pages[__NT_IPC_PAGES];

	int32_t						ipc_page;

	intptr_t					hlock;

	uintptr_t					v1_pipe_counter;

	ntapi_tt_get_csr_port_handle_addr_by_logic *	tt_get_csr_port_handle_addr_by_logic;

	__ntapi_img_sec_bss *				ntapi_img_sec_bss;

} ntapi_internals;

/* ipc internals */

typedef struct _nt_ipc_conn {

	nt_port_attr	attr;

	void *		hsection;

	void *		secaddr;

	size_t		secsize;

} nt_ipc_conn;

/* __ntapi_img_sec_data */

typedef struct __attr_ptr_size_aligned__ ___ntapi_img_sec_rdata {

	ntapi_hashed_symbol	__ntapi_import_table[__NT_IMPORTED_SYMBOLS_ARRAY_SIZE];

	ntapi_vtbl * 		__ntapi;

	nt_port_name		__session_name;

	ntapi_internals *	__internals;

} __ntapi_img_sec_rdata;

union __ntapi_img_rdata {

	__ntapi_img_sec_rdata	img_sec_data;

	char			buffer[__NT_INTERNAL_PAGE_SIZE];

};

/* accessor table */

extern	ntapi_vtbl	___ntapi;

extern	ntapi_vtbl	___ntapi_shadow;

#define	__ntapi		(&___ntapi)

/* access to library internals */

ntapi_internals * __cdecl __ntapi_internals(void);

/* helper functions */

int32_t __ntapi_tt_open_file_utf8(void ** hfile, void * hat, const char * arg, int fprivate, wchar16_t *, uint32_t);

int32_t __ntapi_tt_open_dir_utf8(void ** hfile, void * hat, const char * arg, int fprivate, wchar16_t *, uint32_t);

/* ipc internals */

int __ntapi_ipc_page_alloc(struct dalist_ex * dlist, void ** addr, size_t * alloc_size);

/* debug */

#define __ntidx(x) __offsetof(ntapi_vtbl,x) / sizeof(size_t)

#endif