WebSVN – Kolibri OS – Diff – /drivers/include/linux/kernel.h


#ifndef _LINUX_KERNEL_H
#define _LINUX_KERNEL_H
 
/*
 * 'kernel.h' contains some often-used function prototypes etc
 */
 
#ifdef __KERNEL__
 
#include 
#include 
#include 
#include 
#include 
 
#include 
 
#define __init
 
#define USHRT_MAX	((u16)(~0U))
#define SHRT_MAX	((s16)(USHRT_MAX>>1))
#define SHRT_MIN	((s16)(-SHRT_MAX - 1))
#define INT_MAX     ((int)(~0U>>1))
#define INT_MIN     (-INT_MAX - 1)
#define UINT_MAX    (~0U)
#define LONG_MAX    ((long)(~0UL>>1))
#define LONG_MIN    (-LONG_MAX - 1)
#define ULONG_MAX   (~0UL)
#define LLONG_MAX   ((long long)(~0ULL>>1))
#define LLONG_MIN   (-LLONG_MAX - 1)
#define ULLONG_MAX  (~0ULL)
#define SIZE_MAX	(~(size_t)0)
 
#define ALIGN(x,a)      __ALIGN_MASK(x,(typeof(x))(a)-1)
#define __ALIGN_MASK(x,mask)    (((x)+(mask))&~(mask))
#define PTR_ALIGN(p, a)     ((typeof(p))ALIGN((unsigned long)(p), (a)))
#define IS_ALIGNED(x, a)        (((x) & ((typeof(x))(a) - 1)) == 0)
 
/* The `const' in roundup() prevents gcc-3.3 from calling __divdi3 */
#define roundup(x, y) (                                 \
{                                                       \
        const typeof(y) __y = y;                        \
        (((x) + (__y - 1)) / __y) * __y;                \
}                                                       \
)
 
#define DIV_ROUND_UP(n,d) (((n) + (d) - 1) / (d))
#define DIV_ROUND_CLOSEST(x, divisor)(                  \
{                                                       \
         typeof(divisor) __divisor = divisor;            \
         (((x) + ((__divisor) / 2)) / (__divisor));      \
}                                                       \
)
 
/**
 * upper_32_bits - return bits 32-63 of a number
 * @n: the number we're accessing
 *
 * A basic shift-right of a 64- or 32-bit quantity.  Use this to suppress
 * the "right shift count >= width of type" warning when that quantity is
 * 32-bits.
 */
#define upper_32_bits(n) ((u32)(((n) >> 16) >> 16))
 
/**
 * lower_32_bits - return bits 0-31 of a number
 * @n: the number we're accessing
 */
#define lower_32_bits(n) ((u32)(n))
 
#define KERN_EMERG      "<0>"   /* system is unusable                   */
#define KERN_ALERT      "<1>"   /* action must be taken immediately     */
#define KERN_CRIT       "<2>"   /* critical conditions                  */
#define KERN_ERR        "<3>"   /* error conditions                     */
#define KERN_WARNING    "<4>"   /* warning conditions                   */
#define KERN_NOTICE     "<5>"   /* normal but significant condition     */
#define KERN_INFO       "<6>"   /* informational                        */
#define KERN_DEBUG      "<7>"   /* debug-level messages                 */
extern const char hex_asc[];
#define hex_asc_lo(x)	hex_asc[((x) & 0x0f)]
#define hex_asc_hi(x)	hex_asc[((x) & 0xf0) >> 4]
 
static inline char *pack_hex_byte(char *buf, u8 byte)
{
	*buf++ = hex_asc_hi(byte);
	*buf++ = hex_asc_lo(byte);
	return buf;
}
 
extern int hex_to_bin(char ch);
extern void hex2bin(u8 *dst, const char *src, size_t count);
 
 
//int printk(const char *fmt, ...);
 
#define printk(fmt, arg...)    dbgprintf(fmt , ##arg)
 
 
/*
 * min()/max()/clamp() macros that also do
 * strict type-checking.. See the
 * "unnecessary" pointer comparison.
 */
#define min(x, y) ({                \
    typeof(x) _min1 = (x);          \
    typeof(y) _min2 = (y);          \
    (void) (&_min1 == &_min2);      \
    _min1 < _min2 ? _min1 : _min2; })
 
#define max(x, y) ({                \
    typeof(x) _max1 = (x);          \
    typeof(y) _max2 = (y);          \
    (void) (&_max1 == &_max2);      \
    _max1 > _max2 ? _max1 : _max2; })
 
#define min3(x, y, z) ({			\
	typeof(x) _min1 = (x);			\
	typeof(y) _min2 = (y);			\
	typeof(z) _min3 = (z);			\
	(void) (&_min1 == &_min2);		\
	(void) (&_min1 == &_min3);		\
	_min1 < _min2 ? (_min1 < _min3 ? _min1 : _min3) : \
		(_min2 < _min3 ? _min2 : _min3); })
 
#define max3(x, y, z) ({			\
	typeof(x) _max1 = (x);			\
	typeof(y) _max2 = (y);			\
	typeof(z) _max3 = (z);			\
	(void) (&_max1 == &_max2);		\
	(void) (&_max1 == &_max3);		\
	_max1 > _max2 ? (_max1 > _max3 ? _max1 : _max3) : \
		(_max2 > _max3 ? _max2 : _max3); })
 
/**
 * min_not_zero - return the minimum that is _not_ zero, unless both are zero
 * @x: value1
 * @y: value2
 */
#define min_not_zero(x, y) ({			\
	typeof(x) __x = (x);			\
	typeof(y) __y = (y);			\
	__x == 0 ? __y : ((__y == 0) ? __x : min(__x, __y)); })
 
/**
 * clamp - return a value clamped to a given range with strict typechecking
 * @val: current value
 * @min: minimum allowable value
 * @max: maximum allowable value
 *
 * This macro does strict typechecking of min/max to make sure they are of the
 * same type as val.  See the unnecessary pointer comparisons.
 */
#define clamp(val, min, max) ({			\
	typeof(val) __val = (val);		\
	typeof(min) __min = (min);		\
	typeof(max) __max = (max);		\
	(void) (&__val == &__min);		\
	(void) (&__val == &__max);		\
	__val = __val < __min ? __min: __val;	\
	__val > __max ? __max: __val; })
 
/*
 * ..and if you can't take the strict
 * types, you can specify one yourself.
 *
 * Or not use min/max/clamp at all, of course.
 */
#define min_t(type, x, y) ({            \
    type __min1 = (x);          \
    type __min2 = (y);          \
    __min1 < __min2 ? __min1: __min2; })
 
#define max_t(type, x, y) ({            \
    type __max1 = (x);          \
    type __max2 = (y);          \
    __max1 > __max2 ? __max1: __max2; })
 
/**
 * container_of - cast a member of a structure out to the containing structure
 * @ptr:    the pointer to the member.
 * @type:   the type of the container struct this is embedded in.
 * @member: the name of the member within the struct.
 *
 */
#define container_of(ptr, type, member) ({          \
    const typeof( ((type *)0)->member ) *__mptr = (ptr);    \
    (type *)( (char *)__mptr - offsetof(type,member) );})
 
 
static inline void *kcalloc(size_t n, size_t size, uint32_t flags)
{
        if (n != 0 && size > ULONG_MAX / n)
                return NULL;
        return kzalloc(n * size, 0);
}
 
 
void free (void *ptr);
 
#endif /* __KERNEL__ */
 
typedef unsigned long   pgprotval_t;
 
typedef struct pgprot { pgprotval_t pgprot; } pgprot_t;
 
struct file
{
    struct page  **pages;         /* physical memory backend */
    unsigned int   count;
    unsigned int   allocated;
    void           *vma;
};
 
struct vm_area_struct {};
struct address_space {};
 
struct device
{
    struct device   *parent;
    void            *driver_data;
};
 
static inline void dev_set_drvdata(struct device *dev, void *data)
{
    dev->driver_data = data;
}
 
static inline void *dev_get_drvdata(struct device *dev)
{
    return dev->driver_data;
}
 
#define preempt_disable()       do { } while (0)
#define preempt_enable_no_resched() do { } while (0)
#define preempt_enable()        do { } while (0)
#define preempt_check_resched()     do { } while (0)
 
#define preempt_disable_notrace()       do { } while (0)
#define preempt_enable_no_resched_notrace() do { } while (0)
#define preempt_enable_notrace()        do { } while (0)
 
#define in_dbg_master() (0)
 
#define HZ 100
 
#define time_after(a,b)         \
        (typecheck(unsigned long, a) && \
        typecheck(unsigned long, b) && \
        ((long)(b) - (long)(a) < 0))
 
struct tvec_base;
 
struct timer_list {
         struct list_head entry;
         unsigned long expires;
 
         void (*function)(unsigned long);
         unsigned long data;
 
//         struct tvec_base *base;
};
 
struct timespec {
    long tv_sec;                 /* seconds */
    long tv_nsec;                /* nanoseconds */
};
 
 
#define build_mmio_read(name, size, type, reg, barrier)     \
static inline type name(const volatile void __iomem *addr)  \
{ type ret; asm volatile("mov" size " %1,%0":reg (ret)      \
:"m" (*(volatile type __force *)addr) barrier); return ret; }
 
#define build_mmio_write(name, size, type, reg, barrier) \
static inline void name(type val, volatile void __iomem *addr) \
{ asm volatile("mov" size " %0,%1": :reg (val), \
"m" (*(volatile type __force *)addr) barrier); }
 
build_mmio_read(readb, "b", unsigned char, "=q", :"memory")
build_mmio_read(readw, "w", unsigned short, "=r", :"memory")
build_mmio_read(readl, "l", unsigned int, "=r", :"memory")
 
build_mmio_read(__readb, "b", unsigned char, "=q", )
build_mmio_read(__readw, "w", unsigned short, "=r", )
build_mmio_read(__readl, "l", unsigned int, "=r", )
 
build_mmio_write(writeb, "b", unsigned char, "q", :"memory")
build_mmio_write(writew, "w", unsigned short, "r", :"memory")
build_mmio_write(writel, "l", unsigned int, "r", :"memory")
 
build_mmio_write(__writeb, "b", unsigned char, "q", )
build_mmio_write(__writew, "w", unsigned short, "r", )
build_mmio_write(__writel, "l", unsigned int, "r", )
 
#define readb_relaxed(a) __readb(a)
#define readw_relaxed(a) __readw(a)
#define readl_relaxed(a) __readl(a)
#define __raw_readb __readb
#define __raw_readw __readw
#define __raw_readl __readl
 
#define __raw_writeb __writeb
#define __raw_writew __writew
#define __raw_writel __writel
 
static inline __u64 readq(const volatile void __iomem *addr)
{
        const volatile u32 __iomem *p = addr;
        u32 low, high;
 
        low = readl(p);
        high = readl(p + 1);
 
        return low + ((u64)high << 32);
}
 
static inline void writeq(__u64 val, volatile void __iomem *addr)
{
        writel(val, addr);
        writel(val >> 32, addr+4);
}
 
#define swap(a, b) \
        do { typeof(a) __tmp = (a); (a) = (b); (b) = __tmp; } while (0)
 
 
#define mmiowb() barrier()
 
#define dev_err(dev, format, arg...)            \
        printk("Error %s " format, __func__ , ## arg)
 
#define dev_warn(dev, format, arg...)            \
        printk("Warning %s " format, __func__ , ## arg)
 
#define dev_info(dev, format, arg...)       \
        printk("Info %s " format , __func__, ## arg)
 
#define BUILD_BUG_ON(condition) ((void)sizeof(char[1 - 2*!!(condition)]))
 
 
 
 
 
struct page
{
    unsigned int addr;
};
 
#define page_to_phys(page)    ((dma_addr_t)(page))
 
struct vm_fault {
    unsigned int flags;             /* FAULT_FLAG_xxx flags */
    pgoff_t pgoff;                  /* Logical page offset based on vma */
    void __user *virtual_address;   /* Faulting virtual address */
 
    struct page *page;              /* ->fault handlers should return a
                                     * page here, unless VM_FAULT_NOPAGE
                                     * is set (which is also implied by
                                     * VM_FAULT_ERROR).
                                     */
};
 
struct pagelist {
    dma_addr_t    *page;
    unsigned int   nents;
};
 
#define page_cache_release(page)        FreePage(page_to_phys(page))
 
#define alloc_page(gfp_mask) (struct page*)AllocPage()
 
#define __free_page(page) FreePage(page_to_phys(page))
 
#define get_page(a)
#define put_page(a)
#define set_pages_uc(a,b)
#define set_pages_wb(a,b)
 
#define pci_map_page(dev, page, offset, size, direction) \
        (dma_addr_t)( (offset)+page_to_phys(page))
 
#define pci_unmap_page(dev, dma_address, size, direction)
 
#define GFP_TEMPORARY  0
#define __GFP_NOWARN   0
#define __GFP_NORETRY  0
#define GFP_NOWAIT     0
 
#define IS_ENABLED(a)  0
 
 
#define ACCESS_ONCE(x) (*(volatile typeof(x) *)&(x))
 
#define RCU_INIT_POINTER(p, v) \
        do { \
                p = (typeof(*v) __force __rcu *)(v); \
        } while (0)
 
 
#define rcu_dereference_raw(p)  ({ \
                                typeof(p) _________p1 = ACCESS_ONCE(p); \
                                (_________p1); \
                                })
#define rcu_assign_pointer(p, v) \
        ({ \
                if (!__builtin_constant_p(v) || \
                    ((v) != NULL)) \
                (p) = (v); \
        })
 
#endif

Rev 3262	Rev 3391
1	#ifndef _LINUX_KERNEL_H	1	#ifndef _LINUX_KERNEL_H
2	#define _LINUX_KERNEL_H	2	#define _LINUX_KERNEL_H
3		3
4	/*	4	/*
5	* 'kernel.h' contains some often-used function prototypes etc	5	* 'kernel.h' contains some often-used function prototypes etc
6	*/	6	*/
7		7
8	#ifdef __KERNEL__	8	#ifdef __KERNEL__
9		9
10	#include	10	#include
11	#include	11	#include
12	#include	12	#include
13	#include	13	#include
14	#include	14	#include
15		15
16	#include	16	#include
17		17
18	#define __init	18	#define __init
19		19
20	#define USHRT_MAX ((u16)(~0U))	20	#define USHRT_MAX ((u16)(~0U))
21	#define SHRT_MAX ((s16)(USHRT_MAX>>1))	21	#define SHRT_MAX ((s16)(USHRT_MAX>>1))
22	#define SHRT_MIN ((s16)(-SHRT_MAX - 1))	22	#define SHRT_MIN ((s16)(-SHRT_MAX - 1))
23	#define INT_MAX ((int)(~0U>>1))	23	#define INT_MAX ((int)(~0U>>1))
24	#define INT_MIN (-INT_MAX - 1)	24	#define INT_MIN (-INT_MAX - 1)
25	#define UINT_MAX (~0U)	25	#define UINT_MAX (~0U)
26	#define LONG_MAX ((long)(~0UL>>1))	26	#define LONG_MAX ((long)(~0UL>>1))
27	#define LONG_MIN (-LONG_MAX - 1)	27	#define LONG_MIN (-LONG_MAX - 1)
28	#define ULONG_MAX (~0UL)	28	#define ULONG_MAX (~0UL)
29	#define LLONG_MAX ((long long)(~0ULL>>1))	29	#define LLONG_MAX ((long long)(~0ULL>>1))
30	#define LLONG_MIN (-LLONG_MAX - 1)	30	#define LLONG_MIN (-LLONG_MAX - 1)
31	#define ULLONG_MAX (~0ULL)	31	#define ULLONG_MAX (~0ULL)
32	#define SIZE_MAX (~(size_t)0)	32	#define SIZE_MAX (~(size_t)0)
33		33
34	#define ALIGN(x,a) __ALIGN_MASK(x,(typeof(x))(a)-1)	34	#define ALIGN(x,a) __ALIGN_MASK(x,(typeof(x))(a)-1)
35	#define __ALIGN_MASK(x,mask) (((x)+(mask))&~(mask))	35	#define __ALIGN_MASK(x,mask) (((x)+(mask))&~(mask))
36	#define PTR_ALIGN(p, a) ((typeof(p))ALIGN((unsigned long)(p), (a)))	36	#define PTR_ALIGN(p, a) ((typeof(p))ALIGN((unsigned long)(p), (a)))
37	#define IS_ALIGNED(x, a) (((x) & ((typeof(x))(a) - 1)) == 0)	37	#define IS_ALIGNED(x, a) (((x) & ((typeof(x))(a) - 1)) == 0)
38		38
39	/* The `const' in roundup() prevents gcc-3.3 from calling __divdi3 */	39	/* The `const' in roundup() prevents gcc-3.3 from calling __divdi3 */
40	#define roundup(x, y) ( \	40	#define roundup(x, y) ( \
41	{ \	41	{ \
42	const typeof(y) __y = y; \	42	const typeof(y) __y = y; \
43	(((x) + (__y - 1)) / __y) * __y; \	43	(((x) + (__y - 1)) / __y) * __y; \
44	} \	44	} \
45	)	45	)
46		46
47	#define DIV_ROUND_UP(n,d) (((n) + (d) - 1) / (d))	47	#define DIV_ROUND_UP(n,d) (((n) + (d) - 1) / (d))
48	#define DIV_ROUND_CLOSEST(x, divisor)( \	48	#define DIV_ROUND_CLOSEST(x, divisor)( \
49	{ \	49	{ \
50	typeof(divisor) __divisor = divisor; \	50	typeof(divisor) __divisor = divisor; \
51	(((x) + ((__divisor) / 2)) / (__divisor)); \	51	(((x) + ((__divisor) / 2)) / (__divisor)); \
52	} \	52	} \
53	)	53	)
54		54
55	/**	55	/**
56	* upper_32_bits - return bits 32-63 of a number	56	* upper_32_bits - return bits 32-63 of a number
57	* @n: the number we're accessing	57	* @n: the number we're accessing
58	*	58	*
59	* A basic shift-right of a 64- or 32-bit quantity. Use this to suppress	59	* A basic shift-right of a 64- or 32-bit quantity. Use this to suppress
60	* the "right shift count >= width of type" warning when that quantity is	60	* the "right shift count >= width of type" warning when that quantity is
61	* 32-bits.	61	* 32-bits.
62	*/	62	*/
63	#define upper_32_bits(n) ((u32)(((n) >> 16) >> 16))	63	#define upper_32_bits(n) ((u32)(((n) >> 16) >> 16))
64		64
65	/**	65	/**
66	* lower_32_bits - return bits 0-31 of a number	66	* lower_32_bits - return bits 0-31 of a number
67	* @n: the number we're accessing	67	* @n: the number we're accessing
68	*/	68	*/
69	#define lower_32_bits(n) ((u32)(n))	69	#define lower_32_bits(n) ((u32)(n))
70		70
71	#define KERN_EMERG "<0>" /* system is unusable */	71	#define KERN_EMERG "<0>" /* system is unusable */
72	#define KERN_ALERT "<1>" /* action must be taken immediately */	72	#define KERN_ALERT "<1>" /* action must be taken immediately */
73	#define KERN_CRIT "<2>" /* critical conditions */	73	#define KERN_CRIT "<2>" /* critical conditions */
74	#define KERN_ERR "<3>" /* error conditions */	74	#define KERN_ERR "<3>" /* error conditions */
75	#define KERN_WARNING "<4>" /* warning conditions */	75	#define KERN_WARNING "<4>" /* warning conditions */
76	#define KERN_NOTICE "<5>" /* normal but significant condition */	76	#define KERN_NOTICE "<5>" /* normal but significant condition */
77	#define KERN_INFO "<6>" /* informational */	77	#define KERN_INFO "<6>" /* informational */
78	#define KERN_DEBUG "<7>" /* debug-level messages */	78	#define KERN_DEBUG "<7>" /* debug-level messages */
79	extern const char hex_asc[];	79	extern const char hex_asc[];
80	#define hex_asc_lo(x) hex_asc[((x) & 0x0f)]	80	#define hex_asc_lo(x) hex_asc[((x) & 0x0f)]
81	#define hex_asc_hi(x) hex_asc[((x) & 0xf0) >> 4]	81	#define hex_asc_hi(x) hex_asc[((x) & 0xf0) >> 4]
82		82
83	static inline char pack_hex_byte(char buf, u8 byte)	83	static inline char pack_hex_byte(char buf, u8 byte)
84	{	84	{
85	*buf++ = hex_asc_hi(byte);	85	*buf++ = hex_asc_hi(byte);
86	*buf++ = hex_asc_lo(byte);	86	*buf++ = hex_asc_lo(byte);
87	return buf;	87	return buf;
88	}	88	}
89		89
90	extern int hex_to_bin(char ch);	90	extern int hex_to_bin(char ch);
91	extern void hex2bin(u8 dst, const char src, size_t count);	91	extern void hex2bin(u8 dst, const char src, size_t count);
92		92
93		93
94	//int printk(const char *fmt, ...);	94	//int printk(const char *fmt, ...);
95		95
96	#define printk(fmt, arg...) dbgprintf(fmt , ##arg)	96	#define printk(fmt, arg...) dbgprintf(fmt , ##arg)
97		97
98		98
99	/*	99	/*
100	* min()/max()/clamp() macros that also do	100	* min()/max()/clamp() macros that also do
101	* strict type-checking.. See the	101	* strict type-checking.. See the
102	* "unnecessary" pointer comparison.	102	* "unnecessary" pointer comparison.
103	*/	103	*/
104	#define min(x, y) ({ \	104	#define min(x, y) ({ \
105	typeof(x) _min1 = (x); \	105	typeof(x) _min1 = (x); \
106	typeof(y) _min2 = (y); \	106	typeof(y) _min2 = (y); \
107	(void) (&_min1 == &_min2); \	107	(void) (&_min1 == &_min2); \
108	_min1 < _min2 ? _min1 : _min2; })	108	_min1 < _min2 ? _min1 : _min2; })
109		109
110	#define max(x, y) ({ \	110	#define max(x, y) ({ \
111	typeof(x) _max1 = (x); \	111	typeof(x) _max1 = (x); \
112	typeof(y) _max2 = (y); \	112	typeof(y) _max2 = (y); \
113	(void) (&_max1 == &_max2); \	113	(void) (&_max1 == &_max2); \
114	_max1 > _max2 ? _max1 : _max2; })	114	_max1 > _max2 ? _max1 : _max2; })
115		115
116	#define min3(x, y, z) ({ \	116	#define min3(x, y, z) ({ \
117	typeof(x) _min1 = (x); \	117	typeof(x) _min1 = (x); \
118	typeof(y) _min2 = (y); \	118	typeof(y) _min2 = (y); \
119	typeof(z) _min3 = (z); \	119	typeof(z) _min3 = (z); \
120	(void) (&_min1 == &_min2); \	120	(void) (&_min1 == &_min2); \
121	(void) (&_min1 == &_min3); \	121	(void) (&_min1 == &_min3); \
122	_min1 < _min2 ? (_min1 < _min3 ? _min1 : _min3) : \	122	_min1 < _min2 ? (_min1 < _min3 ? _min1 : _min3) : \
123	(_min2 < _min3 ? _min2 : _min3); })	123	(_min2 < _min3 ? _min2 : _min3); })
124		124
125	#define max3(x, y, z) ({ \	125	#define max3(x, y, z) ({ \
126	typeof(x) _max1 = (x); \	126	typeof(x) _max1 = (x); \
127	typeof(y) _max2 = (y); \	127	typeof(y) _max2 = (y); \
128	typeof(z) _max3 = (z); \	128	typeof(z) _max3 = (z); \
129	(void) (&_max1 == &_max2); \	129	(void) (&_max1 == &_max2); \
130	(void) (&_max1 == &_max3); \	130	(void) (&_max1 == &_max3); \
131	_max1 > _max2 ? (_max1 > _max3 ? _max1 : _max3) : \	131	_max1 > _max2 ? (_max1 > _max3 ? _max1 : _max3) : \
132	(_max2 > _max3 ? _max2 : _max3); })	132	(_max2 > _max3 ? _max2 : _max3); })
133		133
134	/**	134	/**
135	* min_not_zero - return the minimum that is _not_ zero, unless both are zero	135	* min_not_zero - return the minimum that is _not_ zero, unless both are zero
136	* @x: value1	136	* @x: value1
137	* @y: value2	137	* @y: value2
138	*/	138	*/
139	#define min_not_zero(x, y) ({ \	139	#define min_not_zero(x, y) ({ \
140	typeof(x) __x = (x); \	140	typeof(x) __x = (x); \
141	typeof(y) __y = (y); \	141	typeof(y) __y = (y); \
142	__x == 0 ? __y : ((__y == 0) ? __x : min(__x, __y)); })	142	__x == 0 ? __y : ((__y == 0) ? __x : min(__x, __y)); })
143		143
144	/**	144	/**
145	* clamp - return a value clamped to a given range with strict typechecking	145	* clamp - return a value clamped to a given range with strict typechecking
146	* @val: current value	146	* @val: current value
147	* @min: minimum allowable value	147	* @min: minimum allowable value
148	* @max: maximum allowable value	148	* @max: maximum allowable value
149	*	149	*
150	* This macro does strict typechecking of min/max to make sure they are of the	150	* This macro does strict typechecking of min/max to make sure they are of the
151	* same type as val. See the unnecessary pointer comparisons.	151	* same type as val. See the unnecessary pointer comparisons.
152	*/	152	*/
153	#define clamp(val, min, max) ({ \	153	#define clamp(val, min, max) ({ \
154	typeof(val) __val = (val); \	154	typeof(val) __val = (val); \
155	typeof(min) __min = (min); \	155	typeof(min) __min = (min); \
156	typeof(max) __max = (max); \	156	typeof(max) __max = (max); \
157	(void) (&__val == &__min); \	157	(void) (&__val == &__min); \
158	(void) (&__val == &__max); \	158	(void) (&__val == &__max); \
159	__val = __val < __min ? __min: __val; \	159	__val = __val < __min ? __min: __val; \
160	__val > __max ? __max: __val; })	160	__val > __max ? __max: __val; })
161		161
162	/*	162	/*
163	* ..and if you can't take the strict	163	* ..and if you can't take the strict
164	* types, you can specify one yourself.	164	* types, you can specify one yourself.
165	*	165	*
166	* Or not use min/max/clamp at all, of course.	166	* Or not use min/max/clamp at all, of course.
167	*/	167	*/
168	#define min_t(type, x, y) ({ \	168	#define min_t(type, x, y) ({ \
169	type __min1 = (x); \	169	type __min1 = (x); \
170	type __min2 = (y); \	170	type __min2 = (y); \
171	__min1 < __min2 ? __min1: __min2; })	171	__min1 < __min2 ? __min1: __min2; })
172		172
173	#define max_t(type, x, y) ({ \	173	#define max_t(type, x, y) ({ \
174	type __max1 = (x); \	174	type __max1 = (x); \
175	type __max2 = (y); \	175	type __max2 = (y); \
176	__max1 > __max2 ? __max1: __max2; })	176	__max1 > __max2 ? __max1: __max2; })
177		177
178	/**	178	/**
179	* container_of - cast a member of a structure out to the containing structure	179	* container_of - cast a member of a structure out to the containing structure
180	* @ptr: the pointer to the member.	180	* @ptr: the pointer to the member.
181	* @type: the type of the container struct this is embedded in.	181	* @type: the type of the container struct this is embedded in.
182	* @member: the name of the member within the struct.	182	* @member: the name of the member within the struct.
183	*	183	*
184	*/	184	*/
185	#define container_of(ptr, type, member) ({ \	185	#define container_of(ptr, type, member) ({ \
186	const typeof( ((type )0)->member ) __mptr = (ptr); \	186	const typeof( ((type )0)->member ) __mptr = (ptr); \
187	(type )( (char )__mptr - offsetof(type,member) );})	187	(type )( (char )__mptr - offsetof(type,member) );})
188		188
189		189
190	static inline void *kcalloc(size_t n, size_t size, uint32_t flags)	190	static inline void *kcalloc(size_t n, size_t size, uint32_t flags)
191	{	191	{
192	if (n != 0 && size > ULONG_MAX / n)	192	if (n != 0 && size > ULONG_MAX / n)
193	return NULL;	193	return NULL;
194	return kzalloc(n * size, 0);	194	return kzalloc(n * size, 0);
195	}	195	}
196		196
197		197
198	void free (void *ptr);	198	void free (void *ptr);
199		199
200	#endif /* __KERNEL__ */	200	#endif /* __KERNEL__ */
201		201
202	typedef unsigned long pgprotval_t;	202	typedef unsigned long pgprotval_t;
203		203
204	typedef struct pgprot { pgprotval_t pgprot; } pgprot_t;	204	typedef struct pgprot { pgprotval_t pgprot; } pgprot_t;
205		205
206	struct file	206	struct file
207	{	207	{
208	struct page *pages; / physical memory backend */	208	struct page *pages; / physical memory backend */
209	unsigned int count;	209	unsigned int count;
210	unsigned int allocated;	210	unsigned int allocated;
211	void *vma;	211	void *vma;
212	};	212	};
213		213
214	struct vm_area_struct {};	214	struct vm_area_struct {};
215	struct address_space {};	215	struct address_space {};
216		216
217	struct device	217	struct device
218	{	218	{
219	struct device *parent;	219	struct device *parent;
220	void *driver_data;	220	void *driver_data;
221	};	221	};
222		222
223	static inline void dev_set_drvdata(struct device dev, void data)	223	static inline void dev_set_drvdata(struct device dev, void data)
224	{	224	{
225	dev->driver_data = data;	225	dev->driver_data = data;
226	}	226	}
227		227
228	static inline void dev_get_drvdata(struct device dev)	228	static inline void dev_get_drvdata(struct device dev)
229	{	229	{
230	return dev->driver_data;	230	return dev->driver_data;
231	}	231	}
232		232
233	#define preempt_disable() do { } while (0)	233	#define preempt_disable() do { } while (0)
234	#define preempt_enable_no_resched() do { } while (0)	234	#define preempt_enable_no_resched() do { } while (0)
235	#define preempt_enable() do { } while (0)	235	#define preempt_enable() do { } while (0)
236	#define preempt_check_resched() do { } while (0)	236	#define preempt_check_resched() do { } while (0)
237		237
238	#define preempt_disable_notrace() do { } while (0)	238	#define preempt_disable_notrace() do { } while (0)
239	#define preempt_enable_no_resched_notrace() do { } while (0)	239	#define preempt_enable_no_resched_notrace() do { } while (0)
240	#define preempt_enable_notrace() do { } while (0)	240	#define preempt_enable_notrace() do { } while (0)
241		241
242	#define in_dbg_master() (0)	242	#define in_dbg_master() (0)
243		243
244	#define HZ 100	244	#define HZ 100
245		245
246	#define time_after(a,b) \	246	#define time_after(a,b) \
247	(typecheck(unsigned long, a) && \	247	(typecheck(unsigned long, a) && \
248	typecheck(unsigned long, b) && \	248	typecheck(unsigned long, b) && \
249	((long)(b) - (long)(a) < 0))	249	((long)(b) - (long)(a) < 0))
250		250
251	struct tvec_base;	251	struct tvec_base;
252		252
253	struct timer_list {	253	struct timer_list {
254	struct list_head entry;	254	struct list_head entry;
255	unsigned long expires;	255	unsigned long expires;
256		256
257	void (*function)(unsigned long);	257	void (*function)(unsigned long);
258	unsigned long data;	258	unsigned long data;
259		259
260	// struct tvec_base *base;	260	// struct tvec_base *base;
261	};	261	};
262		262
263	struct timespec {	263	struct timespec {
264	long tv_sec; /* seconds */	264	long tv_sec; /* seconds */
265	long tv_nsec; /* nanoseconds */	265	long tv_nsec; /* nanoseconds */
266	};	266	};
267		267
268		268
269	#define build_mmio_read(name, size, type, reg, barrier) \	269	#define build_mmio_read(name, size, type, reg, barrier) \
270	static inline type name(const volatile void __iomem *addr) \	270	static inline type name(const volatile void __iomem *addr) \
271	{ type ret; asm volatile("mov" size " %1,%0":reg (ret) \	271	{ type ret; asm volatile("mov" size " %1,%0":reg (ret) \
272	:"m" ((volatile type __force )addr) barrier); return ret; }	272	:"m" ((volatile type __force )addr) barrier); return ret; }
273		273
274	#define build_mmio_write(name, size, type, reg, barrier) \	274	#define build_mmio_write(name, size, type, reg, barrier) \
275	static inline void name(type val, volatile void __iomem *addr) \	275	static inline void name(type val, volatile void __iomem *addr) \
276	{ asm volatile("mov" size " %0,%1": :reg (val), \	276	{ asm volatile("mov" size " %0,%1": :reg (val), \
277	"m" ((volatile type __force )addr) barrier); }	277	"m" ((volatile type __force )addr) barrier); }
278		278
279	build_mmio_read(readb, "b", unsigned char, "=q", :"memory")	279	build_mmio_read(readb, "b", unsigned char, "=q", :"memory")
280	build_mmio_read(readw, "w", unsigned short, "=r", :"memory")	280	build_mmio_read(readw, "w", unsigned short, "=r", :"memory")
281	build_mmio_read(readl, "l", unsigned int, "=r", :"memory")	281	build_mmio_read(readl, "l", unsigned int, "=r", :"memory")
282		282
283	build_mmio_read(__readb, "b", unsigned char, "=q", )	283	build_mmio_read(__readb, "b", unsigned char, "=q", )
284	build_mmio_read(__readw, "w", unsigned short, "=r", )	284	build_mmio_read(__readw, "w", unsigned short, "=r", )
285	build_mmio_read(__readl, "l", unsigned int, "=r", )	285	build_mmio_read(__readl, "l", unsigned int, "=r", )
286		286
287	build_mmio_write(writeb, "b", unsigned char, "q", :"memory")	287	build_mmio_write(writeb, "b", unsigned char, "q", :"memory")
288	build_mmio_write(writew, "w", unsigned short, "r", :"memory")	288	build_mmio_write(writew, "w", unsigned short, "r", :"memory")
289	build_mmio_write(writel, "l", unsigned int, "r", :"memory")	289	build_mmio_write(writel, "l", unsigned int, "r", :"memory")
290		290
291	build_mmio_write(__writeb, "b", unsigned char, "q", )	291	build_mmio_write(__writeb, "b", unsigned char, "q", )
292	build_mmio_write(__writew, "w", unsigned short, "r", )	292	build_mmio_write(__writew, "w", unsigned short, "r", )
293	build_mmio_write(__writel, "l", unsigned int, "r", )	293	build_mmio_write(__writel, "l", unsigned int, "r", )
294		294
295	#define readb_relaxed(a) __readb(a)	295	#define readb_relaxed(a) __readb(a)
296	#define readw_relaxed(a) __readw(a)	296	#define readw_relaxed(a) __readw(a)
297	#define readl_relaxed(a) __readl(a)	297	#define readl_relaxed(a) __readl(a)
298	#define __raw_readb __readb	298	#define __raw_readb __readb
299	#define __raw_readw __readw	299	#define __raw_readw __readw
300	#define __raw_readl __readl	300	#define __raw_readl __readl
301		301
302	#define __raw_writeb __writeb	302	#define __raw_writeb __writeb
303	#define __raw_writew __writew	303	#define __raw_writew __writew
304	#define __raw_writel __writel	304	#define __raw_writel __writel
305		305
306	static inline __u64 readq(const volatile void __iomem *addr)	306	static inline __u64 readq(const volatile void __iomem *addr)
307	{	307	{
308	const volatile u32 __iomem *p = addr;	308	const volatile u32 __iomem *p = addr;
309	u32 low, high;	309	u32 low, high;
310		310
311	low = readl(p);	311	low = readl(p);
312	high = readl(p + 1);	312	high = readl(p + 1);
313		313
314	return low + ((u64)high << 32);	314	return low + ((u64)high << 32);
315	}	315	}
316		316
317	static inline void writeq(__u64 val, volatile void __iomem *addr)	317	static inline void writeq(__u64 val, volatile void __iomem *addr)
318	{	318	{
319	writel(val, addr);	319	writel(val, addr);
320	writel(val >> 32, addr+4);	320	writel(val >> 32, addr+4);
321	}	321	}
322		322
323	#define swap(a, b) \	323	#define swap(a, b) \
324	do { typeof(a) __tmp = (a); (a) = (b); (b) = __tmp; } while (0)	324	do { typeof(a) __tmp = (a); (a) = (b); (b) = __tmp; } while (0)
325		325
326		326
327	#define mmiowb() barrier()	327	#define mmiowb() barrier()
328		328
329	#define dev_err(dev, format, arg...) \	329	#define dev_err(dev, format, arg...) \
330	printk("Error %s " format, __func__ , ## arg)	330	printk("Error %s " format, __func__ , ## arg)
331		331
332	#define dev_warn(dev, format, arg...) \	332	#define dev_warn(dev, format, arg...) \
333	printk("Warning %s " format, __func__ , ## arg)	333	printk("Warning %s " format, __func__ , ## arg)
334		334
335	#define dev_info(dev, format, arg...) \	335	#define dev_info(dev, format, arg...) \
336	printk("Info %s " format , __func__, ## arg)	336	printk("Info %s " format , __func__, ## arg)
337		337
338	#define BUILD_BUG_ON(condition) ((void)sizeof(char[1 - 2*!!(condition)]))	338	#define BUILD_BUG_ON(condition) ((void)sizeof(char[1 - 2*!!(condition)]))
339		339
340		-
341		-
342		-
343		340
344	struct page	341	struct page
345	{	342	{
346	unsigned int addr;	343	unsigned int addr;
347	};	344	};
348		345
349	#define page_to_phys(page) ((dma_addr_t)(page))	346	#define page_to_phys(page) ((dma_addr_t)(page))
350		347
351	struct vm_fault {	348	struct vm_fault {
352	unsigned int flags; /* FAULT_FLAG_xxx flags */	349	unsigned int flags; /* FAULT_FLAG_xxx flags */
353	pgoff_t pgoff; /* Logical page offset based on vma */	350	pgoff_t pgoff; /* Logical page offset based on vma */
354	void __user virtual_address; / Faulting virtual address */	351	void __user virtual_address; / Faulting virtual address */
355		352
356	struct page page; / ->fault handlers should return a	353	struct page page; / ->fault handlers should return a
357	* page here, unless VM_FAULT_NOPAGE	354	* page here, unless VM_FAULT_NOPAGE
358	* is set (which is also implied by	355	* is set (which is also implied by
359	* VM_FAULT_ERROR).	356	* VM_FAULT_ERROR).
360	*/	357	*/
361	};	358	};
362		359
363	struct pagelist {	360	struct pagelist {
364	dma_addr_t *page;	361	dma_addr_t *page;
365	unsigned int nents;	362	unsigned int nents;
366	};	363	};
367		364
368	#define page_cache_release(page) FreePage((addr_t)(page))	365	#define page_cache_release(page) FreePage(page_to_phys(page))
369		366
370	#define alloc_page(gfp_mask) (struct page*)AllocPage()	367	#define alloc_page(gfp_mask) (struct page*)AllocPage()
-		368
-		369	#define __free_page(page) FreePage(page_to_phys(page))
-		370
-		371	#define get_page(a)
-		372	#define put_page(a)
-		373	#define set_pages_uc(a,b)
-		374	#define set_pages_wb(a,b)
-		375
-		376	#define pci_map_page(dev, page, offset, size, direction) \
-		377	(dma_addr_t)( (offset)+page_to_phys(page))
-		378
-		379	#define pci_unmap_page(dev, dma_address, size, direction)
-		380
-		381	#define GFP_TEMPORARY 0
-		382	#define __GFP_NOWARN 0
-		383	#define __GFP_NORETRY 0
-		384	#define GFP_NOWAIT 0
-		385
-		386	#define IS_ENABLED(a) 0
-		387
-		388
-		389	#define ACCESS_ONCE(x) ((volatile typeof(x) )&(x))
-		390
-		391	#define RCU_INIT_POINTER(p, v) \
-		392	do { \
-		393	p = (typeof(v) __force __rcu )(v); \
-		394	} while (0)
-		395
-		396
-		397	#define rcu_dereference_raw(p) ({ \
-		398	typeof(p) _________p1 = ACCESS_ONCE(p); \
-		399	(_________p1); \
-		400	})
-		401	#define rcu_assign_pointer(p, v) \
-		402	({ \
-		403	if (!__builtin_constant_p(v) \|\| \
-		404	((v) != NULL)) \
-		405	(p) = (v); \
-		406	})
371		407
372	#endif	408	#endif

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(root)/drivers/include/linux/kernel.h @ 3262 – Rev 3262 → 3391