/*-
 * Copyright (c) 2011 Hans Petter Selasky. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 */

#ifndef _BSD_KERNEL_H_
#define _BSD_KERNEL_H_

#if !defined(_STANDALONE)
#error "_STANDALONE is not defined!"
#endif

#undef __FreeBSD_version
#define __FreeBSD_version 1400000

#include <sys/cdefs.h>
#include <sys/queue.h>
#include <sys/errno.h>

#define offsetof(type, field) __builtin_offsetof(type, field)
#define howmany(x, y)   (((x)+((y)-1))/(y))
#define nitems(x)       (sizeof((x)) / sizeof((x)[0]))
#define isalpha(x) (((x) >= 'a' && (x) <= 'z') || ((x) >= 'A' && (x) <= 'Z'))
#define isdigit(x) ((x) >= '0' && (x) <= '9')
#define panic(...) do { printf("USB PANIC: " __VA_ARGS__); while (1) ; } while (0)
#define rebooting 0
#define M_USB 0
#define M_USBDEV 0
#define USB_PROC_MAX 3
#define USB_BUS_GIANT_PROC(bus) (usb_process + 2)
#define USB_BUS_NON_GIANT_BULK_PROC(bus) (usb_process + 2)
#define USB_BUS_NON_GIANT_ISOC_PROC(bus) (usb_process + 2)
#define USB_BUS_EXPLORE_PROC(bus) (usb_process + 0)
#define USB_BUS_CONTROL_XFER_PROC(bus) (usb_process + 1)
#define SYSCTL_DECL(...)
struct sysctl_ctx_list {
};
struct sysctl_req {
        void            *newptr;
};
#define SYSCTL_HANDLER_ARGS void *oidp, void *arg1,     \
        uint32_t arg2, struct sysctl_req *req
#define SYSCTL_NODE(name,...) struct { } name __used
#define SYSCTL_INT(...)
#define SYSCTL_UINT(...)
#define SYSCTL_PROC(...)
#define SYSCTL_ADD_NODE(...) NULL
#define SYSCTL_ADD_U16(...) NULL
#define SYSCTL_ADD_PROC(...) NULL
#define sysctl_handle_int(...) EOPNOTSUPP
#define sysctl_handle_string(...) EOPNOTSUPP
#define sysctl_ctx_init(ctx) do { (void)(ctx); } while (0)
#define sysctl_ctx_free(ctx) do { (void)(ctx); } while (0)
#define TUNABLE_INT(...)
#define MALLOC_DECLARE(...)
#define MALLOC_DEFINE(...)
#define EVENTHANDLER_DECLARE(...)
#define EVENTHANDLER_INVOKE(...)
#define KASSERT(...)
#define CTASSERT(x) _Static_assert(x, "compile-time assertion failed")
#define SCHEDULER_STOPPED(x) (0)
#define PI_SWI(...) (0)
#define UNIQ_NAME(x) x
#define UNIQ_NAME_STR(x) #x
#define DEVCLASS_MAXUNIT 32
#define MOD_LOAD 1
#define MOD_UNLOAD 2
#define DEVMETHOD(what,func) { #what, (void *)&func }
#define DEVMETHOD_END {0,0}
#define EARLY_DRIVER_MODULE(a, b, c, d, e, f)   DRIVER_MODULE(a, b, c, d, e)
#define DRIVER_MODULE(name, busname, driver, evh, arg)  \
  static struct module_data bsd_##name##_##busname##_driver_mod = {     \
        evh, arg, #busname, #name, #busname "/" #name,                  \
        &driver, { 0, 0 } };                                    \
SYSINIT(bsd_##name##_##busname##_driver_mod, SI_SUB_DRIVERS,            \
  SI_ORDER_MIDDLE, module_register,                                     \
  &bsd_##name##_##busname##_driver_mod)
#define SYSINIT(uniq, subs, order, _func, _data)        \
const struct sysinit UNIQ_NAME(sysinit_##uniq) = {      \
        .func = (_func),                                \
        .data = __DECONST(void *, _data)                \
};                                                      \
SYSINIT_ENTRY(uniq##_entry, "sysinit", (subs),          \
    (order), "const struct sysinit",                    \
    UNIQ_NAME_STR(sysinit_##uniq), "SYSINIT")

#define SYSUNINIT(uniq, subs, order, _func, _data)      \
const struct sysinit UNIQ_NAME(sysuninit_##uniq) = {    \
        .func = (_func),                                \
        .data = __DECONST(void *, _data)                \
};                                                      \
SYSINIT_ENTRY(uniq##_entry, "sysuninit", (subs),        \
    (order), "const struct sysuninit",                  \
    UNIQ_NAME_STR(sysuninit_##uniq), "SYSUNINIT")
#define MODULE_DEPEND(...)
#define MODULE_VERSION(...)
#define NULL ((void *)0)
#define BUS_SPACE_BARRIER_READ 0x01
#define BUS_SPACE_BARRIER_WRITE 0x02
#define hz 1000
#undef PAGE_SIZE
#define PAGE_SIZE 4096
#undef PAGE_SHIFT
#define PAGE_SHIFT 12
#undef MIN
#define MIN(a,b) (((a) < (b)) ? (a) : (b))
#undef MAX
#define MAX(a,b) (((a) > (b)) ? (a) : (b))
#define MTX_DEF 0
#define MTX_SPIN 0
#define MTX_RECURSE 0
#define SX_DUPOK 0
#define SX_NOWITNESS 0
#define WITNESS_WARN(...)
#define cold 0
#define BUS_PROBE_GENERIC 0
#define BUS_PROBE_DEFAULT (-20)
#define DEVICE_UNIT_ANY -1
#define CALLOUT_RETURNUNLOCKED 0x1
#undef ffs
#define ffs(x) __builtin_ffs(x)
#undef va_list
#define va_list __builtin_va_list
#undef va_size
#define va_size(type) __builtin_va_size(type)
#undef va_start
#define va_start(ap, last) __builtin_va_start(ap, last)
#undef va_end
#define va_end(ap) __builtin_va_end(ap)
#undef va_arg
#define va_arg(ap, type) __builtin_va_arg((ap), type)
#define DEVICE_ATTACH(dev, ...) \
  (((device_attach_t *)(device_get_method(dev, "device_attach")))(dev,## __VA_ARGS__))
#define DEVICE_DETACH(dev, ...) \
  (((device_detach_t *)(device_get_method(dev, "device_detach")))(dev,## __VA_ARGS__))
#define DEVICE_PROBE(dev, ...) \
  (((device_probe_t *)(device_get_method(dev, "device_probe")))(dev,## __VA_ARGS__))
#define DEVICE_RESUME(dev, ...) \
  (((device_resume_t *)(device_get_method(dev, "device_resume")))(dev,## __VA_ARGS__))
#define DEVICE_SHUTDOWN(dev, ...) \
  (((device_shutdown_t *)(device_get_method(dev, "device_shutdown")))(dev,## __VA_ARGS__))
#define DEVICE_SUSPEND(dev, ...) \
  (((device_suspend_t *)(device_get_method(dev, "device_suspend")))(dev,## __VA_ARGS__))
#define USB_HANDLE_REQUEST(dev, ...) \
  (((usb_handle_request_t *)(device_get_method(dev, "usb_handle_request")))(dev,## __VA_ARGS__))
#define USB_TAKE_CONTROLLER(dev, ...) \
  (((usb_take_controller_t *)(device_get_method(dev, "usb_take_controller")))(dev,## __VA_ARGS__))
#define GPIO_PIN_SET(dev, ...) \
  (((gpio_pin_set_t *)(device_get_method(dev, "gpio_pin_set")))(dev,## __VA_ARGS__))
#define GPIO_PIN_SETFLAGS(dev, ...) \
  (((gpio_pin_setflags_t *)(device_get_method(dev, "gpio_pin_setflags")))(dev,## __VA_ARGS__))

enum {
        SI_SUB_DUMMY = 0x0000000,
        SI_SUB_LOCK = 0x1B00000,
        SI_SUB_KLD = 0x2000000,
        SI_SUB_DRIVERS = 0x3100000,
        SI_SUB_PSEUDO = 0x7000000,
        SI_SUB_KICK_SCHEDULER = 0xa000000,
        SI_SUB_RUN_SCHEDULER = 0xfffffff
};

enum {
        SI_ORDER_FIRST = 0x0000000,
        SI_ORDER_SECOND = 0x0000001,
        SI_ORDER_THIRD = 0x0000002,
        SI_ORDER_FOURTH = 0x0000003,
        SI_ORDER_MIDDLE = 0x1000000,
        SI_ORDER_ANY = 0xfffffff        /* last */
};

struct uio;
struct thread;
struct malloc_type;
struct usb_process;

#ifndef INT32_MAX
#define INT32_MAX 0x7fffffff
#endif

#ifndef HAVE_STANDARD_DEFS
#define _UINT8_T_DECLARED
typedef unsigned char uint8_t;
#define _INT8_T_DECLARED
typedef signed char int8_t;
#define _UINT16_T_DECLARED
typedef unsigned short uint16_t;
#define _INT16_T_DECLARED
typedef signed short int16_t;
#define _UINT32_T_DECLARED
typedef unsigned int uint32_t;
#define _INT32_T_DECLARED
typedef signed int int32_t;
#define _UINT64_T_DECLARED
#ifndef __LP64__
typedef unsigned long long uint64_t;
#else
typedef unsigned long uint64_t;
#endif
#define _INT64_T_DECLARED
#ifndef __LP64__
typedef signed long long int64_t;
#else
typedef signed long int64_t;
#endif

typedef uint16_t uid_t;
typedef uint16_t gid_t;
typedef uint16_t mode_t;

typedef uint8_t *caddr_t;
#define _UINTPTR_T_DECLARED
typedef unsigned long uintptr_t;
#define _UINTMAX_T_DECLARED
typedef unsigned long uintmax_t;
typedef unsigned long vm_paddr_t;

#define _SIZE_T_DECLARED
typedef unsigned long size_t;
#define _SSIZE_T_DECLARED
typedef signed long ssize_t;
#define _OFF_T_DECLARED
typedef unsigned long off_t;

typedef int64_t sbintime_t;

typedef unsigned char   u_char;
typedef unsigned short  u_short;
typedef unsigned int    u_int;
typedef unsigned long   u_long;
#endif

typedef unsigned long bus_addr_t;
typedef unsigned long bus_size_t;

typedef struct bus_dma_segment {
        bus_addr_t      ds_addr;        /* DMA address */
        bus_size_t      ds_len;         /* length of transfer */
} bus_dma_segment_t;

struct bus_dma_tag {
        uint32_t        alignment;
        uint32_t        maxsize;
};

typedef void *bus_dmamap_t;
typedef struct bus_dma_tag *bus_dma_tag_t;

typedef enum {
        BUS_DMA_LOCK    = 0x01,
        BUS_DMA_UNLOCK  = 0x02,
} bus_dma_lock_op_t;

typedef void *bus_space_tag_t;
typedef uint8_t *bus_space_handle_t;
typedef int bus_dma_filter_t(void *, bus_addr_t);
typedef void bus_dma_lock_t(void *, bus_dma_lock_op_t);

#ifndef __bool_true_false_are_defined
#define __bool_true_false_are_defined
typedef _Bool bool;
#define true 1
#define false 0
#endif

/* SYSINIT API */

#include <sysinit.h>

struct sysinit {
        void    (*func) (void *arg);
        void   *data;
};

/* MUTEX API */

struct mtx {
        int     owned;
        struct mtx *parent;
};

#define mtx_assert(...) do { } while (0)
void    mtx_init(struct mtx *, const char *, const char *, int);
void    mtx_lock(struct mtx *);
void    mtx_unlock(struct mtx *);
#define mtx_lock_spin(x) mtx_lock(x)
#define mtx_unlock_spin(x) mtx_unlock(x)
int     mtx_owned(struct mtx *);
void    mtx_destroy(struct mtx *);

extern struct mtx Giant;

/* SX API */

struct sx {
        int     owned;
};

#define sx_assert(...) do { } while (0)
#define sx_init(...) sx_init_flags(__VA_ARGS__, 0)
void    sx_init_flags(struct sx *, const char *, int);
void    sx_destroy(struct sx *);
void    sx_xlock(struct sx *);
void    sx_xunlock(struct sx *);
int     sx_xlocked(struct sx *);

/* CONDVAR API */

struct cv {
        int     sleeping;
};

void    cv_init(struct cv *, const char *desc);
void    cv_destroy(struct cv *);
void    cv_wait(struct cv *, struct mtx *);
int     cv_timedwait(struct cv *, struct mtx *, int);
void    cv_signal(struct cv *);
void    cv_broadcast(struct cv *);

/* CALLOUT API */

typedef void callout_fn_t (void *);

extern volatile int ticks;

struct callout {
        LIST_ENTRY(callout) entry;
        callout_fn_t *c_func;
        void   *c_arg;
        struct mtx *mtx;
        int     flags;
        int     timeout;
};

void    callout_init_mtx(struct callout *, struct mtx *, int);
void    callout_reset(struct callout *, int, callout_fn_t *, void *);
void    callout_stop(struct callout *);
void    callout_drain(struct callout *);
int     callout_pending(struct callout *);
void    callout_process(int timeout);

/* DEVICE API */

struct driver;
struct devclass;
struct device;
struct module;
struct module_data;
struct sbuf;

typedef struct driver driver_t;
typedef struct devclass *devclass_t;
typedef struct device *device_t;
typedef void (driver_intr_t)(void *arg);
typedef int (driver_filter_t)(void *arg);
#define FILTER_STRAY            0x01
#define FILTER_HANDLED          0x02
#define FILTER_SCHEDULE_THREAD  0x04

typedef int device_attach_t (device_t dev);
typedef int device_detach_t (device_t dev);
typedef int device_resume_t (device_t dev);
typedef int device_shutdown_t (device_t dev);
typedef int device_probe_t (device_t dev);
typedef int device_suspend_t (device_t dev);
typedef int gpio_pin_set_t (device_t dev, uint32_t, unsigned int);
typedef int gpio_pin_setflags_t (device_t dev, uint32_t, uint32_t);

typedef int bus_child_location_str_t (device_t parent, device_t child, char *buf, size_t buflen);
typedef int bus_child_pnpinfo_str_t (device_t parent, device_t child, char *buf, size_t buflen);
typedef int bus_child_location_t (device_t parent, device_t child, struct sbuf *);
typedef int bus_child_pnpinfo_t (device_t parent, device_t child, struct sbuf *);
typedef int bus_get_device_path_t (device_t bus, device_t child, const char *locator, struct sbuf *sb);

#define bus_generic_get_device_path(...) EOPNOTSUPP

typedef void bus_driver_added_t (device_t dev, driver_t *driver);

struct device_method {
        const char *desc;
        void   *const func;
};

typedef struct device_method device_method_t;

struct device {
        TAILQ_HEAD(device_list, device) dev_children;
        TAILQ_ENTRY(device) dev_link;

        devclass_t dev_class;
        struct device *dev_parent;
        const struct module_data *dev_module;
        void   *dev_sc;
        void   *dev_aux;
        driver_filter_t *dev_irq_filter;
        driver_intr_t *dev_irq_fn;
        void   *dev_irq_arg;

        uint16_t dev_unit;

        char    dev_nameunit[64];
        char    dev_desc[64];

        uint8_t dev_res_alloc:1;
        uint8_t dev_quiet:1;
        uint8_t dev_softc_set:1;
        uint8_t dev_softc_alloc:1;
        uint8_t dev_attached:1;
        uint8_t dev_fixed_class:1;
        uint8_t dev_unit_manual:1;
};

struct devclass {
        TAILQ_ENTRY(devclass) link;
        const char *name;
        device_t dev_list[DEVCLASS_MAXUNIT];
};

struct driver {
        const char *name;
        const struct device_method *methods;
        uint32_t size;
};

struct module_data {
        int     (*callback) (struct module *, int, void *arg);
        void   *arg;
        const char *bus_name;
        const char *mod_name;
        const char *long_name;
        const struct driver *driver;
        TAILQ_ENTRY(module_data) entry;
};

device_t device_get_parent(device_t dev);
void   *device_get_method(device_t dev, const char *what);
const char *device_get_name(device_t dev);
const char *device_get_nameunit(device_t dev);

#define device_printf(dev, fmt,...) \
        printf("%s: " fmt, device_get_nameunit(dev),## __VA_ARGS__)
device_t device_add_child(device_t dev, const char *name, int unit);
void    device_quiet(device_t dev);
void    device_set_interrupt(device_t dev, driver_filter_t *, driver_intr_t *, void *);
void    device_run_interrupts(device_t parent);
void    device_set_ivars(device_t dev, void *ivars);
void   *device_get_ivars(device_t dev);
const char *device_get_desc(device_t dev);
int     device_probe_and_attach(device_t dev);
int     device_detach(device_t dev);
void   *device_get_softc(device_t dev);
void    device_set_softc(device_t dev, void *softc);
int     device_delete_child(device_t dev, device_t child);
int     device_delete_children(device_t dev);
int     device_is_attached(device_t dev);
void    device_set_desc(device_t dev, const char *desc);
void    device_set_desc_copy(device_t dev, const char *desc);
int     device_get_unit(device_t dev);
void   *devclass_get_softc(devclass_t dc, int unit);
int     devclass_get_maxunit(devclass_t dc);
device_t devclass_get_device(devclass_t dc, int unit);
devclass_t devclass_find(const char *classname);

#define BUS_LOCATOR_UEFI "UEFI"
#define bus_get_dma_tag(...) (NULL)
#define bus_topo_lock(...) mtx_lock(&Giant)
#define bus_topo_unlock(...) mtx_unlock(&Giant)
int     bus_generic_detach(device_t dev);
int     bus_generic_resume(device_t dev);
int     bus_generic_shutdown(device_t dev);
int     bus_generic_suspend(device_t dev);
int     bus_generic_print_child(device_t dev, device_t child);
void    bus_generic_driver_added(device_t dev, driver_t *driver);
int     bus_space_subregion(bus_space_tag_t t, bus_space_handle_t bsh,
    bus_size_t offset, bus_size_t size, bus_space_handle_t *nbshp);

/* BUS SPACE API */

void    bus_space_write_1(bus_space_tag_t t, bus_space_handle_t h, bus_size_t offset, uint8_t data);
void    bus_space_write_2(bus_space_tag_t t, bus_space_handle_t h, bus_size_t offset, uint16_t data);
void    bus_space_write_4(bus_space_tag_t t, bus_space_handle_t h, bus_size_t offset, uint32_t data);

uint8_t bus_space_read_1(bus_space_tag_t t, bus_space_handle_t h, bus_size_t offset);
uint16_t bus_space_read_2(bus_space_tag_t t, bus_space_handle_t h, bus_size_t offset);
uint32_t bus_space_read_4(bus_space_tag_t t, bus_space_handle_t h, bus_size_t offset);

void    bus_space_read_multi_1(bus_space_tag_t t, bus_space_handle_t h, bus_size_t offset, uint8_t *datap, bus_size_t count);
void    bus_space_read_multi_2(bus_space_tag_t t, bus_space_handle_t h, bus_size_t offset, uint16_t *datap, bus_size_t count);
void    bus_space_read_multi_4(bus_space_tag_t t, bus_space_handle_t h, bus_size_t offset, uint32_t *datap, bus_size_t count);

void    bus_space_write_multi_1(bus_space_tag_t t, bus_space_handle_t h, bus_size_t offset, uint8_t *datap, bus_size_t count);
void    bus_space_write_multi_2(bus_space_tag_t t, bus_space_handle_t h, bus_size_t offset, uint16_t *datap, bus_size_t count);
void    bus_space_write_multi_4(bus_space_tag_t t, bus_space_handle_t h, bus_size_t offset, uint32_t *datap, bus_size_t count);

void    bus_space_read_region_1(bus_space_tag_t space, bus_space_handle_t handle, bus_size_t offset, uint8_t *datap, bus_size_t count);
void    bus_space_write_region_1(bus_space_tag_t space, bus_space_handle_t handle, bus_size_t offset, uint8_t *datap, bus_size_t count);
void    bus_space_read_region_4(bus_space_tag_t space, bus_space_handle_t handle, bus_size_t offset, uint32_t *datap, bus_size_t count);
void    bus_space_write_region_4(bus_space_tag_t space, bus_space_handle_t handle, bus_size_t offset, uint32_t *datap, bus_size_t count);

void    bus_space_barrier(bus_space_tag_t space, bus_space_handle_t handle, bus_size_t offset, bus_size_t length, int flags);

void    module_register(void *);

/* LIB-C */

void   *memset(void *, int, size_t len);
void   *memcpy(void *, const void *, size_t len);
int     memcmp(const void *, const void *, size_t len);
int     printf(const char *,...) __printflike(1, 2);
int     snprintf(char *restrict str, size_t size, const char *restrict format,...) __printflike(3, 4);
size_t  strlen(const char *s);
int     strcmp(const char *, const char *);

/* MALLOC API */

#undef malloc
#define malloc(s,x,f) usb_malloc(s)
void   *usb_malloc(size_t);

#undef free
#define free(p,x) usb_free(p)
void    usb_free(void *);

#define strdup(p,x) usb_strdup(p)
char   *usb_strdup(const char *str);

/* ENDIANNESS */

#ifndef HAVE_ENDIAN_DEFS

/* Assume little endian */

#define htole64(x) ((uint64_t)(x))
#define le64toh(x) ((uint64_t)(x))

#define htole32(x) ((uint32_t)(x))
#define le32toh(x) ((uint32_t)(x))

#define htole16(x) ((uint16_t)(x))
#define le16toh(x) ((uint16_t)(x))

#define be32toh(x) ((uint32_t)(x))
#define htobe32(x) ((uint32_t)(x))

#else
#include <sys/endian.h>
#endif

/* USB */

typedef int usb_handle_request_t (device_t dev, const void *req, void **pptr, uint16_t *plen, uint16_t offset, uint8_t *pstate);
typedef int usb_take_controller_t (device_t dev);

void    usb_idle(void);
void    usb_init(void);
void    usb_uninit(void);

/* set some defaults */

#ifndef USB_POOL_SIZE
#define USB_POOL_SIZE (1024*1024)       /* 1 MByte */
#endif

int     pause(const char *, int);
void    DELAY(unsigned int);

/* OTHER */

struct selinfo {
};

/* SYSTEM STARTUP API */

extern const void *sysinit_data[];
extern const void *sysuninit_data[];

/* Resources */

enum intr_type {
        INTR_TYPE_TTY = 1,
        INTR_TYPE_BIO = 2,
        INTR_TYPE_NET = 4,
        INTR_TYPE_CAM = 8,
        INTR_TYPE_MISC = 16,
        INTR_TYPE_CLK = 32,
        INTR_TYPE_AV = 64,
        INTR_EXCL = 256,                /* exclusive interrupt */
        INTR_MPSAFE = 512,              /* this interrupt is SMP safe */
        INTR_ENTROPY = 1024,            /* this interrupt provides entropy */
        INTR_MD1 = 4096,                /* flag reserved for MD use */
        INTR_MD2 = 8192,                /* flag reserved for MD use */
        INTR_MD3 = 16384,               /* flag reserved for MD use */
        INTR_MD4 = 32768                /* flag reserved for MD use */
};

struct resource_i {
        u_long          r_start;        /* index of the first entry in this resource */
        u_long          r_end;          /* index of the last entry (inclusive) */
};

struct resource {
        struct resource_i       *__r_i;
        bus_space_tag_t         r_bustag; /* bus_space tag */
        bus_space_handle_t      r_bushandle;    /* bus_space handle */
};

struct resource_spec {
        int     type;
        int     rid;
        int     flags;
};

#define SYS_RES_IRQ     1       /* interrupt lines */
#define SYS_RES_DRQ     2       /* isa dma lines */
#define SYS_RES_MEMORY  3       /* i/o memory */
#define SYS_RES_IOPORT  4       /* i/o ports */

#define RF_ALLOCATED    0x0001  /* resource has been reserved */
#define RF_ACTIVE       0x0002  /* resource allocation has been activated */
#define RF_SHAREABLE    0x0004  /* resource permits contemporaneous sharing */
#define RF_SPARE1       0x0008
#define RF_SPARE2       0x0010
#define RF_FIRSTSHARE   0x0020  /* first in sharing list */
#define RF_PREFETCHABLE 0x0040  /* resource is prefetchable */
#define RF_OPTIONAL     0x0080  /* for bus_alloc_resources() */

int bus_alloc_resources(device_t, struct resource_spec *, struct resource **);
int bus_release_resource(device_t, int, int, struct resource *);
void bus_release_resources(device_t, const struct resource_spec *,
    struct resource **);
struct resource *bus_alloc_resource_any(device_t, int, int *, unsigned int);
void bus_attach_children(device_t);
int bus_detach_children(device_t);
bus_space_tag_t rman_get_bustag(struct resource *);
bus_space_handle_t rman_get_bushandle(struct resource *);
u_long rman_get_size(struct resource *);
int bus_setup_intr(device_t, struct resource *, int, driver_filter_t,
    driver_intr_t, void *, void **);
int bus_teardown_intr(device_t, struct resource *, void *);
int ofw_bus_status_okay(device_t);
int ofw_bus_is_compatible(device_t, char *);

extern int (*bus_alloc_resource_any_cb)(struct resource *res, device_t dev,
    int type, int *rid, unsigned int flags);
extern int (*ofw_bus_status_ok_cb)(device_t dev);
extern int (*ofw_bus_is_compatible_cb)(device_t dev, char *name);

#ifndef strlcpy
#define strlcpy(d,s,n) snprintf((d),(n),"%s",(s))
#endif

/* Should be defined in user application since it is machine-dependent */
extern int delay(unsigned int);

/* BUS dma */
#define BUS_SPACE_MAXADDR_24BIT 0xFFFFFF
#define BUS_SPACE_MAXADDR_32BIT 0xFFFFFFFF
#define BUS_SPACE_MAXADDR       0xFFFFFFFF
#define BUS_SPACE_MAXSIZE_24BIT 0xFFFFFF
#define BUS_SPACE_MAXSIZE_32BIT 0xFFFFFFFF
#define BUS_SPACE_MAXSIZE       0xFFFFFFFF

#define BUS_DMA_WAITOK          0x00    /* safe to sleep (pseudo-flag) */
#define BUS_DMA_NOWAIT          0x01    /* not safe to sleep */
#define BUS_DMA_ALLOCNOW        0x02    /* perform resource allocation now */
#define BUS_DMA_COHERENT        0x04    /* hint: map memory in a coherent way */
#define BUS_DMA_ZERO            0x08    /* allocate zero'ed memory */
#define BUS_DMA_BUS1            0x10    /* placeholders for bus functions... */
#define BUS_DMA_BUS2            0x20
#define BUS_DMA_BUS3            0x40
#define BUS_DMA_BUS4            0x80

#define BUS_DMASYNC_PREREAD     0x01
#define BUS_DMASYNC_POSTREAD    0x02
#define BUS_DMASYNC_PREWRITE    0x04
#define BUS_DMASYNC_POSTWRITE   0x08

typedef void bus_dmamap_callback_t(void *, bus_dma_segment_t *, int, int);

int
bus_dma_tag_create(bus_dma_tag_t parent, bus_size_t alignment,
                   bus_size_t boundary, bus_addr_t lowaddr,
                   bus_addr_t highaddr, bus_dma_filter_t *filter,
                   void *filterarg, bus_size_t maxsize, int nsegments,
                   bus_size_t maxsegsz, int flags, bus_dma_lock_t *lockfunc,
                   void *lockfuncarg, bus_dma_tag_t *dmat);

int bus_dmamem_alloc(bus_dma_tag_t, void** vaddr, int flags, bus_dmamap_t *);
void bus_dmamem_free(bus_dma_tag_t, void *vaddr, bus_dmamap_t);
int bus_dma_tag_destroy(bus_dma_tag_t);

int bus_dmamap_load(bus_dma_tag_t, bus_dmamap_t, void *buf,
    bus_size_t buflen, bus_dmamap_callback_t *,
    void *callback_arg, int flags);
void bus_dmamap_unload(bus_dma_tag_t, bus_dmamap_t);
void bus_dmamap_sync(bus_dma_tag_t dmat, bus_dmamap_t map, int flags);

/* SBUF */
#define sbuf_printf(...) do { } while (0)

#endif                                  /* _BSD_KERNEL_H_ */