arch/arm/xen/grant-table.c

Source file repositories/reference/linux-study-clean/arch/arm/xen/grant-table.c

File Facts

System
Linux kernel
Corpus path
arch/arm/xen/grant-table.c
Extension
.c
Size
2114 bytes
Lines
59
Domain
Architecture Layer
Bucket
arch/arm
Inferred role
Architecture Layer: implementation source
Status
source implementation candidate

Why This File Exists

CPU and platform-specific kernel glue: boot entry, traps, syscall entry, interrupts, page tables, context switch, and low-level barriers.

Dependency Surface

Detected Declarations

Annotated Snippet

#include <xen/interface/xen.h>
#include <xen/page.h>
#include <xen/grant_table.h>

int arch_gnttab_map_shared(xen_pfn_t *frames, unsigned long nr_gframes,
			   unsigned long max_nr_gframes,
			   void **__shared)
{
	return -ENOSYS;
}

void arch_gnttab_unmap(void *shared, unsigned long nr_gframes)
{
	return;
}

int arch_gnttab_map_status(uint64_t *frames, unsigned long nr_gframes,
			   unsigned long max_nr_gframes,
			   grant_status_t **__shared)
{
	return -ENOSYS;
}

int arch_gnttab_init(unsigned long nr_shared, unsigned long nr_status)
{
	return 0;
}

Annotation

Implementation Notes