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RC11 preliminary update - includes

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git-svn-id: svn://kolibrios.org@1964 a494cfbc-eb01-0410-851d-a64ba20cac60
This commit is contained in:
Sergey Semyonov (Serge)
2011-06-24 10:45:58 +00:00
parent bd08fd3876
commit 52aacb57ed
39 changed files with 2285 additions and 1026 deletions
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56
drivers/include/linux/bitops.h
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@@ -1,11 +1,19 @@
#ifndef _LINUX_BITOPS_H
#define _LINUX_BITOPS_H
#include <asm/types.h>
#ifdef __KERNEL__
#define BIT(nr) (1UL << (nr))
#define BIT_MASK(nr) (1UL << ((nr) % BITS_PER_LONG))
#define BIT_WORD(nr) ((nr) / BITS_PER_LONG)
#define BITS_PER_BYTE 8
#define BITS_TO_LONGS(nr) DIV_ROUND_UP(nr, BITS_PER_BYTE * sizeof(long))
#endif
extern unsigned int __sw_hweight8(unsigned int w);
extern unsigned int __sw_hweight16(unsigned int w);
extern unsigned int __sw_hweight32(unsigned int w);
extern unsigned long __sw_hweight64(__u64 w);
/*
* Include this here because some architectures need generic_ffs/fls in
@@ -13,12 +21,11 @@
*/
#include <asm/bitops.h>
#define for_each_bit(bit, addr, size) \
#define for_each_set_bit(bit, addr, size) \
for ((bit) = find_first_bit((addr), (size)); \
(bit) < (size); \
(bit) = find_next_bit((addr), (size), (bit) + 1))
static __inline__ int get_bitmask_order(unsigned int count)
{
int order;
@@ -129,28 +136,6 @@ static inline unsigned long __ffs64(u64 word)
}
#ifdef __KERNEL__
#ifdef CONFIG_GENERIC_FIND_FIRST_BIT
/**
* find_first_bit - find the first set bit in a memory region
* @addr: The address to start the search at
* @size: The maximum size to search
*
* Returns the bit number of the first set bit.
*/
extern unsigned long find_first_bit(const unsigned long *addr,
unsigned long size);
/**
* find_first_zero_bit - find the first cleared bit in a memory region
* @addr: The address to start the search at
* @size: The maximum size to search
*
* Returns the bit number of the first cleared bit.
*/
extern unsigned long find_first_zero_bit(const unsigned long *addr,
unsigned long size);
#endif /* CONFIG_GENERIC_FIND_FIRST_BIT */
#ifdef CONFIG_GENERIC_FIND_LAST_BIT
/**
@@ -164,28 +149,5 @@ extern unsigned long find_last_bit(const unsigned long *addr,
unsigned long size);
#endif /* CONFIG_GENERIC_FIND_LAST_BIT */
#ifdef CONFIG_GENERIC_FIND_NEXT_BIT
/**
* find_next_bit - find the next set bit in a memory region
* @addr: The address to base the search on
* @offset: The bitnumber to start searching at
* @size: The bitmap size in bits
*/
extern unsigned long find_next_bit(const unsigned long *addr,
unsigned long size, unsigned long offset);
/**
* find_next_zero_bit - find the next cleared bit in a memory region
* @addr: The address to base the search on
* @offset: The bitnumber to start searching at
* @size: The bitmap size in bits
*/
extern unsigned long find_next_zero_bit(const unsigned long *addr,
unsigned long size,
unsigned long offset);
#endif /* CONFIG_GENERIC_FIND_NEXT_BIT */
#endif /* __KERNEL__ */
#endif