early_alloc.h File Reference

#include <asm/kvm_pgtable.h>

Include dependency graph for early_alloc.h:

This graph shows which files directly or indirectly include this file:

Go to the source code of this file.

Functions
void	hyp_early_alloc_init (void *virt, unsigned long size)
unsigned long	hyp_early_alloc_nr_used_pages (void)
void *	hyp_early_alloc_page (void *arg)
void *	hyp_early_alloc_contig (unsigned int nr_pages)

Variables
struct kvm_pgtable_mm_ops	hyp_early_alloc_mm_ops

Function Documentation

hyp_early_alloc_contig()

void* hyp_early_alloc_contig

(

unsigned int

nr_pages

)

Definition at line 24 of file early_alloc.c.

{
    unsigned long size = (nr_pages << PAGE_SHIFT);
    void *ret = (void *)cur;
 
    if (!nr_pages)
        return NULL;
 
    if (end - cur < size)
        return NULL;
 
    cur += size;
    memset(ret, 0, size);
 
    return ret;
}

Here is the caller graph for this function:

hyp_early_alloc_init()

void hyp_early_alloc_init	(	void *	virt,
		unsigned long	size
	)

Definition at line 49 of file early_alloc.c.

{
    base = cur = (unsigned long)virt;
    end = base + size;
 
    hyp_early_alloc_mm_ops.zalloc_page = hyp_early_alloc_page;
    hyp_early_alloc_mm_ops.phys_to_virt = hyp_phys_to_virt;
    hyp_early_alloc_mm_ops.virt_to_phys = hyp_virt_to_phys;
    hyp_early_alloc_mm_ops.get_page = hyp_early_alloc_get_page;
    hyp_early_alloc_mm_ops.put_page = hyp_early_alloc_put_page;
}

Here is the call graph for this function:

Here is the caller graph for this function:

hyp_early_alloc_nr_used_pages()

unsigned long hyp_early_alloc_nr_used_pages

(

void

)

Definition at line 19 of file early_alloc.c.

{
    return (cur - base) >> PAGE_SHIFT;
}

Here is the caller graph for this function:

hyp_early_alloc_page()

void* hyp_early_alloc_page

(

void *

arg

)

Definition at line 41 of file early_alloc.c.

{
    return hyp_early_alloc_contig(1);
}

Here is the call graph for this function:

Here is the caller graph for this function:

Variable Documentation

hyp_early_alloc_mm_ops

struct kvm_pgtable_mm_ops hyp_early_alloc_mm_ops

extern

Definition at line 1 of file early_alloc.c.