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Diffstat (limited to 'include/apos/pmem.h')
| -rw-r--r-- | include/apos/pmem.h | 71 |
1 files changed, 0 insertions, 71 deletions
diff --git a/include/apos/pmem.h b/include/apos/pmem.h deleted file mode 100644 index 6278b57..0000000 --- a/include/apos/pmem.h +++ /dev/null @@ -1,71 +0,0 @@ -/* SPDX-License-Identifier: GPL-3.0-or-later */ -/* Copyright 2021 - 2022, Kim Kuparinen < kimi.h.kuparinen@gmail.com > */ - -#ifndef APOS_PMEM_H -#define APOS_PMEM_H - -/** - * @file pmem.h - * Physical memory subsystem. Used to allocate and free physical memory pages. - */ - -#include <apos/mem.h> -#include <apos/types.h> -#include <arch/pmem.h> - -/** - * Free physical page. - * - * @param order Order of page to free. - * @param addr Physical address of page. - */ -void free_page(enum mm_order order, pm_t addr); - -/** - * Mark page used. - * - * @param order Order of page to mark. - * @param addr Physical address of page. - */ -void mark_used(enum mm_order order, pm_t addr); - -/** - * Allocate physical page. - * Allows the user to specify a hint as to which address to start looking for. - * Useful for allocating many pages for one virtual allocation, for example, and - * allows us to skip already checked pages when allocating a second page. - * - * @param order Order of page to allocate. - * @return pm_t Physical address of page when succesful, else \c NULL. - */ -pm_t alloc_page(enum mm_order order); - -/** - * Populate physical RAM usage map. - * In theory we could easily implement NUMA nodes by just using different orders - * of usage maps, but for now we assume all RAM is contiguous. - * - * @param ram_base Base physical address of RAM. - * @param ram_size Size of phsyical RAM. - * @param cont Physical address where to place the map. - * @return Size of physical map. Check that is matches with \ref probe_pmap(). - */ -pm_t populate_pmap(pm_t ram_base, size_t ram_size, pm_t cont); - -/** - * Probe size of RAM usage map. - * - * @param ram_size Size of physical RAM. - * @return Size of physical map. Check that it matches with \ref - * populate_pmap(). - */ -pm_t probe_pmap(size_t ram_size); - -/** - * Initialize physical memory subsystem. - * - * @param fdt Global FDT pointer. - */ -void init_pmem(void *fdt); - -#endif /* APOS_PMEM_H */ |
