[deliverable/linux.git] / init / dyn_array.c

#include <linux/types.h>
#include <linux/kernel.h>
#include <linux/kallsyms.h>
#include <linux/init.h>
#include <linux/bootmem.h>
#include <linux/irq.h>

void __init pre_alloc_dyn_array(void)
{
#ifdef CONFIG_HAVE_DYN_ARRAY
	unsigned long total_size = 0, size, phys;
	unsigned long max_align = 1;
	struct dyn_array **daa;
	char *ptr;

	/* get the total size at first */
	for (daa = __dyn_array_start ; daa < __dyn_array_end; daa++) {
		struct dyn_array *da = *daa;

		printk(KERN_DEBUG "dyn_array %pF size:%#lx nr:%d align:%#lx\n",
			da->name, da->size, *da->nr, da->align);
		size = da->size * (*da->nr);
		total_size += roundup(size, da->align);
		if (da->align > max_align)
			max_align = da->align;
	}
	if (total_size)
		printk(KERN_DEBUG "dyn_array total_size: %#lx\n",
			 total_size);
	else
		return;

	/* allocate them all together */
	max_align = max_t(unsigned long, max_align, PAGE_SIZE);
	ptr = __alloc_bootmem(total_size, max_align, 0);
	phys = virt_to_phys(ptr);

	for (daa = __dyn_array_start ; daa < __dyn_array_end; daa++) {
		struct dyn_array *da = *daa;

		size = da->size * (*da->nr);
		phys = roundup(phys, da->align);
		printk(KERN_DEBUG "dyn_array %pF ==> [%#lx - %#lx]\n",
			da->name, phys, phys + size);
		*da->name = phys_to_virt(phys);

		phys += size;

		if (da->init_work)
			da->init_work(da);
	}
#else
#ifdef CONFIG_GENERIC_HARDIRQS
	unsigned int i;

	for (i = 0; i < NR_IRQS; i++)
		irq_desc[i].irq = i;
#endif
#endif
}

unsigned long __init per_cpu_dyn_array_size(unsigned long *align)
{
	unsigned long total_size = 0;
#ifdef CONFIG_HAVE_DYN_ARRAY
	unsigned long size;
	struct dyn_array **daa;
	unsigned max_align = 1;

	for (daa = __per_cpu_dyn_array_start ; daa < __per_cpu_dyn_array_end; daa++) {
		struct dyn_array *da = *daa;

		printk(KERN_DEBUG "per_cpu_dyn_array %pF size:%#lx nr:%d align:%#lx\n",
			da->name, da->size, *da->nr, da->align);
		size = da->size * (*da->nr);
		total_size += roundup(size, da->align);
		if (da->align > max_align)
			max_align = da->align;
	}
	if (total_size) {
		printk(KERN_DEBUG "per_cpu_dyn_array total_size: %#lx\n",
			 total_size);
		*align = max_align;
	}
#endif
	return total_size;
}

#ifdef CONFIG_SMP
void __init per_cpu_alloc_dyn_array(int cpu, char *ptr)
{
#ifdef CONFIG_HAVE_DYN_ARRAY
	unsigned long size, phys;
	struct dyn_array **daa;
	unsigned long addr;
	void **array;

	phys = virt_to_phys(ptr);
	for (daa = __per_cpu_dyn_array_start ; daa < __per_cpu_dyn_array_end; daa++) {
		struct dyn_array *da = *daa;

		size = da->size * (*da->nr);
		phys = roundup(phys, da->align);
		printk(KERN_DEBUG "per_cpu_dyn_array %pF ==> [%#lx - %#lx]\n",
			da->name, phys, phys + size);

		addr = (unsigned long)da->name;
		addr += per_cpu_offset(cpu);
		array = (void **)addr;
		*array = phys_to_virt(phys);
		*da->name = *array; /* so init_work could use it directly */

		phys += size;

		if (da->init_work)
			da->init_work(da);
	}
#endif
}
#endif
Commit	Line	Data
e7f5ed8d YL	1	#include <linux/types.h>
	2	#include <linux/kernel.h>
	3	#include <linux/kallsyms.h>
	4	#include <linux/init.h>
	5	#include <linux/bootmem.h>
	6	#include <linux/irq.h>
	7
	8	void __init pre_alloc_dyn_array(void)
	9	{
	10	#ifdef CONFIG_HAVE_DYN_ARRAY
	11	unsigned long total_size = 0, size, phys;
	12	unsigned long max_align = 1;
	13	struct dyn_array **daa;
	14	char *ptr;
	15
	16	/* get the total size at first */
	17	for (daa = __dyn_array_start ; daa < __dyn_array_end; daa++) {
	18	struct dyn_array da = daa;
	19
c87695ea YL	20	printk(KERN_DEBUG "dyn_array %pF size:%#lx nr:%d align:%#lx\n",
c87695ea YL	21	da->name, da->size, *da->nr, da->align);
e7f5ed8d	22	size = da->size * (*da->nr);
e7f5ed8d YL	23	total_size += roundup(size, da->align);
	24	if (da->align > max_align)
	25	max_align = da->align;
	26	}
	27	if (total_size)
	28	printk(KERN_DEBUG "dyn_array total_size: %#lx\n",
	29	total_size);
	30	else
	31	return;
	32
	33	/* allocate them all together */
	34	max_align = max_t(unsigned long, max_align, PAGE_SIZE);
9e6cad9b	35	ptr = __alloc_bootmem(total_size, max_align, 0);
e7f5ed8d	36	phys = virt_to_phys(ptr);
9e6cad9b	37
e7f5ed8d YL	38	for (daa = __dyn_array_start ; daa < __dyn_array_end; daa++) {
	39	struct dyn_array da = daa;
	40
	41	size = da->size * (*da->nr);
e7f5ed8d	42	phys = roundup(phys, da->align);
c87695ea YL	43	printk(KERN_DEBUG "dyn_array %pF ==> [%#lx - %#lx]\n",
c87695ea YL	44	da->name, phys, phys + size);
e7f5ed8d	45	*da->name = phys_to_virt(phys);
e7f5ed8d YL	46
	47	phys += size;
	48
	49	if (da->init_work)
	50	da->init_work(da);
	51	}
	52	#else
b558cb35	53	#ifdef CONFIG_GENERIC_HARDIRQS
e7f5ed8d YL	54	unsigned int i;
	55
	56	for (i = 0; i < NR_IRQS; i++)
	57	irq_desc[i].irq = i;
	58	#endif
	59	#endif
	60	}
	61
	62	unsigned long __init per_cpu_dyn_array_size(unsigned long *align)
	63	{
	64	unsigned long total_size = 0;
	65	#ifdef CONFIG_HAVE_DYN_ARRAY
	66	unsigned long size;
	67	struct dyn_array **daa;
	68	unsigned max_align = 1;
	69
	70	for (daa = __per_cpu_dyn_array_start ; daa < __per_cpu_dyn_array_end; daa++) {
	71	struct dyn_array da = daa;
	72
c87695ea YL	73	printk(KERN_DEBUG "per_cpu_dyn_array %pF size:%#lx nr:%d align:%#lx\n",
c87695ea YL	74	da->name, da->size, *da->nr, da->align);
e7f5ed8d	75	size = da->size * (*da->nr);
e7f5ed8d YL	76	total_size += roundup(size, da->align);
	77	if (da->align > max_align)
	78	max_align = da->align;
	79	}
	80	if (total_size) {
	81	printk(KERN_DEBUG "per_cpu_dyn_array total_size: %#lx\n",
	82	total_size);
	83	*align = max_align;
	84	}
	85	#endif
	86	return total_size;
	87	}
	88
e8fc96ed	89	#ifdef CONFIG_SMP
e7f5ed8d YL	90	void __init per_cpu_alloc_dyn_array(int cpu, char *ptr)
	91	{
	92	#ifdef CONFIG_HAVE_DYN_ARRAY
	93	unsigned long size, phys;
	94	struct dyn_array **daa;
	95	unsigned long addr;
	96	void **array;
	97
	98	phys = virt_to_phys(ptr);
	99	for (daa = __per_cpu_dyn_array_start ; daa < __per_cpu_dyn_array_end; daa++) {
	100	struct dyn_array da = daa;
	101
	102	size = da->size * (*da->nr);
e7f5ed8d	103	phys = roundup(phys, da->align);
c87695ea YL	104	printk(KERN_DEBUG "per_cpu_dyn_array %pF ==> [%#lx - %#lx]\n",
	105	da->name, phys, phys + size);
	106
e7f5ed8d YL	107	addr = (unsigned long)da->name;
	108	addr += per_cpu_offset(cpu);
	109	array = (void **)addr;
	110	*array = phys_to_virt(phys);
	111	da->name = array; /* so init_work could use it directly */
e7f5ed8d YL	112
	113	phys += size;
	114
b558cb35	115	if (da->init_work)
e7f5ed8d	116	da->init_work(da);
e7f5ed8d YL	117	}
	118	#endif
	119	}
e8fc96ed	120	#endif