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

 #include
 #include
 #include
 #include
 /* Don't assign or return these: may not be this big! */
 typedef struct cpumask { DECLARE_BITMAP(bits, NR_CPUS); } cpumask_t;
 /**
  * You should only assume nr_cpu_ids bits of this mask are valid.  This is
  * a macro so it's const-correct.
  */
 #define cpumask_bits(maskp) ((maskp)->bits)
+/**
+ * cpumask_pr_args - printf args to output a cpumask
+ * @maskp: cpumask to be printed
+ *
+ * Can be used to provide arguments for '%*pb[l]' when printing a cpumask.
+ */
+#define cpumask_pr_args(maskp)		nr_cpu_ids, cpumask_bits(maskp)
 #if NR_CPUS == 1
 #define nr_cpu_ids		1
 #else
 extern int nr_cpu_ids;
 					   unsigned int cpu)
+{
 	return 1;
+}
-static inline int cpumask_set_cpu_local_first(int i, int numa_node, cpumask_t *dstp)
+static inline unsigned int cpumask_local_spread(unsigned int i, int node)
-{
-	set_bit(0, cpumask_bits(dstp));
+{
 	return 0;
+}
 	return find_next_zero_bit(cpumask_bits(srcp), nr_cpumask_bits, n+1);
+}
 int cpumask_next_and(int n, const struct cpumask *, const struct cpumask *);
 int cpumask_any_but(const struct cpumask *mask, unsigned int cpu);
-int cpumask_set_cpu_local_first(int i, int numa_node, cpumask_t *dstp);
+unsigned int cpumask_local_spread(unsigned int i, int node);
 /**
  * for_each_cpu - iterate over every cpu in a mask
  * cpumask_test_cpu - test for a cpu in a cpumask
  * @cpu: cpu number (< nr_cpu_ids)
  * @cpumask: the cpumask pointer
+ *
  * Returns 1 if @cpu is set in @cpumask, else returns 0
- *
- * No static inline type checking - see Subtlety (1) above.
  */
-#define cpumask_test_cpu(cpu, cpumask) \
+static inline int cpumask_test_cpu(int cpu, const struct cpumask *cpumask)
+{
-	test_bit(cpumask_check(cpu), cpumask_bits((cpumask)))
+	return test_bit(cpumask_check(cpu), cpumask_bits((cpumask)));
+}
 /**
  * cpumask_test_and_set_cpu - atomically test and set a cpu in a cpumask
  * @cpu: cpu number (< nr_cpu_ids)
  * @cpu: the cpu (<= nr_cpu_ids)
  */
 #define cpumask_of(cpu) (get_cpu_mask(cpu))
-/**
- * cpumask_scnprintf - print a cpumask into a string as comma-separated hex
- * @buf: the buffer to sprintf into
- * @len: the length of the buffer
- * @srcp: the cpumask to print
- *
- * If len is zero, returns zero.  Otherwise returns the length of the
- * (nul-terminated) @buf string.
- */
-static inline int cpumask_scnprintf(char *buf, int len,
-				    const struct cpumask *srcp)
-{
-	return bitmap_scnprintf(buf, len, cpumask_bits(srcp), nr_cpumask_bits);
-}
 /**
  * cpumask_parse_user - extract a cpumask from a user string
  * @buf: the buffer to extract from
  * @len: the length of the buffer
  * @dstp: the cpumask to set.
+ *
  * Returns -errno, or 0 for success.
  */
 static inline int cpumask_parse_user(const char __user *buf, int len,
 				     struct cpumask *dstp)
 {
-	return bitmap_parse_user(buf, len, cpumask_bits(dstp), nr_cpumask_bits);
+	return bitmap_parse_user(buf, len, cpumask_bits(dstp), nr_cpu_ids);
+}
 /**
  */
 static inline int cpumask_parselist_user(const char __user *buf, int len,
 				     struct cpumask *dstp)
+{
 	return bitmap_parselist_user(buf, len, cpumask_bits(dstp),
-							nr_cpumask_bits);
-}
-/**
- * cpulist_scnprintf - print a cpumask into a string as comma-separated list
- * @buf: the buffer to sprintf into
- * @len: the length of the buffer
- * @srcp: the cpumask to print
- *
- * If len is zero, returns zero.  Otherwise returns the length of the
- * (nul-terminated) @buf string.
- */
-static inline int cpulist_scnprintf(char *buf, int len,
-				    const struct cpumask *srcp)
-{
-	return bitmap_scnlistprintf(buf, len, cpumask_bits(srcp),
-				    nr_cpumask_bits);
+				     nr_cpu_ids);
+}
 /**
  * cpumask_parse - extract a cpumask from from a string
 static inline int cpumask_parse(const char *buf, struct cpumask *dstp)
+{
 	char *nl = strchr(buf, '\n');
 	unsigned int len = nl ? (unsigned int)(nl - buf) : strlen(buf);
-	return bitmap_parse(buf, len, cpumask_bits(dstp), nr_cpumask_bits);
+	return bitmap_parse(buf, len, cpumask_bits(dstp), nr_cpu_ids);
+}
 /**
+ *
  * Returns -errno, or 0 for success.
  */
 static inline int cpulist_parse(const char *buf, struct cpumask *dstp)
+{
-	return bitmap_parselist(buf, cpumask_bits(dstp), nr_cpumask_bits);
+	return bitmap_parselist(buf, cpumask_bits(dstp), nr_cpu_ids);
+}
 /**
  * cpumask_size - size to allocate for a 'struct cpumask' in bytes
+ *
  * This will eventually be a runtime variable, depending on nr_cpu_ids.
  */
 static inline size_t cpumask_size(void)
-{
-	/* FIXME: Once all cpumask assignments are eliminated, this
-	 * can be nr_cpumask_bits */
+{
-	return BITS_TO_LONGS(NR_CPUS) * sizeof(long);
+	return BITS_TO_LONGS(nr_cpumask_bits) * sizeof(long);
+}
 /*
 #define cpu_is_offline(cpu)	unlikely(!cpu_online(cpu))
 #if NR_CPUS <= BITS_PER_LONG
 #define CPU_BITS_ALL						\
 {								\
-	[BITS_TO_LONGS(NR_CPUS)-1] = CPU_MASK_LAST_WORD	\
+	[BITS_TO_LONGS(NR_CPUS)-1] = BITMAP_LAST_WORD_MASK(NR_CPUS)	\
+}
 #else /* NR_CPUS > BITS_PER_LONG */
 #define CPU_BITS_ALL						\
 {								\
 	[0 ... BITS_TO_LONGS(NR_CPUS)-2] = ~0UL,		\
-	[BITS_TO_LONGS(NR_CPUS)-1] = CPU_MASK_LAST_WORD		\
+	[BITS_TO_LONGS(NR_CPUS)-1] = BITMAP_LAST_WORD_MASK(NR_CPUS)	\
+}
  */
 static inline ssize_t
 cpumap_print_to_pagebuf(bool list, char *buf, const struct cpumask *mask)
+{
 	return bitmap_print_to_pagebuf(list, buf, cpumask_bits(mask),
-				      nr_cpumask_bits);
+				      nr_cpu_ids);
+}
-/*
- *
- * From here down, all obsolete.  Use cpumask_ variants!
- *
- */
-#ifndef CONFIG_DISABLE_OBSOLETE_CPUMASK_FUNCTIONS
-#define cpumask_of_cpu(cpu) (*get_cpu_mask(cpu))
-#define CPU_MASK_LAST_WORD BITMAP_LAST_WORD_MASK(NR_CPUS)
-#if NR_CPUS <= BITS_PER_LONG
 #if NR_CPUS <= BITS_PER_LONG
 #define CPU_MASK_ALL							\
 (cpumask_t) { {								\
-	[BITS_TO_LONGS(NR_CPUS)-1] = CPU_MASK_LAST_WORD			\
+	[BITS_TO_LONGS(NR_CPUS)-1] = BITMAP_LAST_WORD_MASK(NR_CPUS)	\
-} }
 } }
-#else
 #else
 #define CPU_MASK_ALL							\
 (cpumask_t) { {								\
 	[0 ... BITS_TO_LONGS(NR_CPUS)-2] = ~0UL,			\
-	[BITS_TO_LONGS(NR_CPUS)-1] = CPU_MASK_LAST_WORD			\
+	[BITS_TO_LONGS(NR_CPUS)-1] = BITMAP_LAST_WORD_MASK(NR_CPUS)	\
-} }
+} }
-#endif
+#endif /* NR_CPUS > BITS_PER_LONG */
 #define CPU_MASK_NONE							\
 (cpumask_t) { {								\
 #define CPU_MASK_CPU0							\
 (cpumask_t) { {								\
 	[0] =  1UL							\
 } }
-#if NR_CPUS == 1
-#define first_cpu(src)		({ (void)(src); 0; })
-#define next_cpu(n, src)	({ (void)(src); 1; })
-#define any_online_cpu(mask)	0
-#define for_each_cpu_mask(cpu, mask)	\
-	for ((cpu) = 0; (cpu) < 1; (cpu)++, (void)mask)
-#else /* NR_CPUS > 1 */
-int __first_cpu(const cpumask_t *srcp);
-int __next_cpu(int n, const cpumask_t *srcp);
-#define first_cpu(src)		__first_cpu(&(src))
-#define next_cpu(n, src)	__next_cpu((n), &(src))
-#define any_online_cpu(mask) cpumask_any_and(&mask, cpu_online_mask)
-#define for_each_cpu_mask(cpu, mask)			\
-	for ((cpu) = -1;				\
-		(cpu) = next_cpu((cpu), (mask)),	\
-		(cpu) < NR_CPUS; )
-#endif /* SMP */
-#if NR_CPUS <= 64
-#define for_each_cpu_mask_nr(cpu, mask)	for_each_cpu_mask(cpu, mask)
-#else /* NR_CPUS > 64 */
-int __next_cpu_nr(int n, const cpumask_t *srcp);
-#define for_each_cpu_mask_nr(cpu, mask)			\
-	for ((cpu) = -1;				\
-		(cpu) = __next_cpu_nr((cpu), &(mask)),	\
-		(cpu) < nr_cpu_ids; )
-#endif /* NR_CPUS > 64 */
-#define cpus_addr(src) ((src).bits)
-#define cpu_set(cpu, dst) __cpu_set((cpu), &(dst))
-static inline void __cpu_set(int cpu, volatile cpumask_t *dstp)
-{
-	set_bit(cpu, dstp->bits);
-}
-#define cpu_clear(cpu, dst) __cpu_clear((cpu), &(dst))
-static inline void __cpu_clear(int cpu, volatile cpumask_t *dstp)
-{
-	clear_bit(cpu, dstp->bits);
-}
-#define cpus_setall(dst) __cpus_setall(&(dst), NR_CPUS)
-static inline void __cpus_setall(cpumask_t *dstp, int nbits)
-{
-	bitmap_fill(dstp->bits, nbits);
-}
-#define cpus_clear(dst) __cpus_clear(&(dst), NR_CPUS)
-static inline void __cpus_clear(cpumask_t *dstp, int nbits)
-{
-	bitmap_zero(dstp->bits, nbits);
-}
-/* No static inline type checking - see Subtlety (1) above. */
-#define cpu_isset(cpu, cpumask) test_bit((cpu), (cpumask).bits)
-#define cpu_test_and_set(cpu, cpumask) __cpu_test_and_set((cpu), &(cpumask))
-static inline int __cpu_test_and_set(int cpu, cpumask_t *addr)
-{
-	return test_and_set_bit(cpu, addr->bits);
-}
-#define cpus_and(dst, src1, src2) __cpus_and(&(dst), &(src1), &(src2), NR_CPUS)
-static inline int __cpus_and(cpumask_t *dstp, const cpumask_t *src1p,
-					const cpumask_t *src2p, int nbits)
-{
-	return bitmap_and(dstp->bits, src1p->bits, src2p->bits, nbits);
-}
-#define cpus_or(dst, src1, src2) __cpus_or(&(dst), &(src1), &(src2), NR_CPUS)
-static inline void __cpus_or(cpumask_t *dstp, const cpumask_t *src1p,
-					const cpumask_t *src2p, int nbits)
-{
-	bitmap_or(dstp->bits, src1p->bits, src2p->bits, nbits);
-}
-#define cpus_xor(dst, src1, src2) __cpus_xor(&(dst), &(src1), &(src2), NR_CPUS)
-static inline void __cpus_xor(cpumask_t *dstp, const cpumask_t *src1p,
-					const cpumask_t *src2p, int nbits)
-{
-	bitmap_xor(dstp->bits, src1p->bits, src2p->bits, nbits);
-}
-#define cpus_andnot(dst, src1, src2) \
-				__cpus_andnot(&(dst), &(src1), &(src2), NR_CPUS)
-static inline int __cpus_andnot(cpumask_t *dstp, const cpumask_t *src1p,
-					const cpumask_t *src2p, int nbits)
-{
-	return bitmap_andnot(dstp->bits, src1p->bits, src2p->bits, nbits);
-}
-#define cpus_equal(src1, src2) __cpus_equal(&(src1), &(src2), NR_CPUS)
-static inline int __cpus_equal(const cpumask_t *src1p,
-					const cpumask_t *src2p, int nbits)
-{
-	return bitmap_equal(src1p->bits, src2p->bits, nbits);
-}
-#define cpus_intersects(src1, src2) __cpus_intersects(&(src1), &(src2), NR_CPUS)
-static inline int __cpus_intersects(const cpumask_t *src1p,
-					const cpumask_t *src2p, int nbits)
-{
-	return bitmap_intersects(src1p->bits, src2p->bits, nbits);
-}
-#define cpus_subset(src1, src2) __cpus_subset(&(src1), &(src2), NR_CPUS)
-static inline int __cpus_subset(const cpumask_t *src1p,
-					const cpumask_t *src2p, int nbits)
-{
-	return bitmap_subset(src1p->bits, src2p->bits, nbits);
-}
-#define cpus_empty(src) __cpus_empty(&(src), NR_CPUS)
-static inline int __cpus_empty(const cpumask_t *srcp, int nbits)
-{
-	return bitmap_empty(srcp->bits, nbits);
-}
-#define cpus_weight(cpumask) __cpus_weight(&(cpumask), NR_CPUS)
-static inline int __cpus_weight(const cpumask_t *srcp, int nbits)
-{
-	return bitmap_weight(srcp->bits, nbits);
-}
-#define cpus_shift_left(dst, src, n) \
-			__cpus_shift_left(&(dst), &(src), (n), NR_CPUS)
-static inline void __cpus_shift_left(cpumask_t *dstp,
-					const cpumask_t *srcp, int n, int nbits)
-{
-	bitmap_shift_left(dstp->bits, srcp->bits, n, nbits);
-}
-#endif /* !CONFIG_DISABLE_OBSOLETE_CPUMASK_FUNCTIONS */

Subversion Repositories Kolibri OS

(root)/drivers/include/linux/cpumask.h – Rev 5270 → 6082