diff options
Diffstat (limited to 'pcilib/mem.h')
| -rw-r--r-- | pcilib/mem.h | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/pcilib/mem.h b/pcilib/mem.h new file mode 100644 index 0000000..2e3ac02 --- /dev/null +++ b/pcilib/mem.h @@ -0,0 +1,29 @@ +#ifndef _PCILIB_MEM_H +#define _PCILIB_MEM_H + +#ifdef __cplusplus +extern "C" { +#endif + +/** + * Maps the specified memory area in the address space of the process. + * @param[in,out] ctx - pcilib context + * @param[in] addr - hardware address (should be page-aligned) + * @param[in] size - size (should be multiple of page size) + * return - the address where the memory area is mapped + */ +void *pcilib_map_area(pcilib_t *ctx, uintptr_t addr, size_t size); + +/** + * Unmaps the specified memory area in the address space of the process. + * @param[in,out] ctx - pcilib context + * @param[in] addr - pointer to the virtual address where the area is mapped + * @param[in] size - size (should be multiple of page size) + */ +void pcilib_unmap_area(pcilib_t *ctx, void *addr, size_t size); + +#ifdef __cplusplus +} +#endif + +#endif /* _PCILIB_MEM_H */ |