9a6e32f87c
Simply to put them into correct namespace as the struct is part of public API. Signed-off-by: Daniel Leung <daniel.leung@intel.com>
60 lines
1.6 KiB
C
60 lines
1.6 KiB
C
/*
|
|
* Copyright (c) 2023 Intel Corporation
|
|
*
|
|
* SPDX-License-Identifier: Apache-2.0
|
|
*/
|
|
|
|
/**
|
|
* @file
|
|
* @brief Module for tracking page use within memory banks
|
|
*
|
|
* The memory management drivers may use the routines within this module
|
|
* to track page use within their memory banks. This information in turn
|
|
* could be leveraged by them to determine when to power them on or off to
|
|
* better conserve energy.
|
|
*/
|
|
|
|
#include <zephyr/kernel.h>
|
|
#include <zephyr/drivers/mm/mm_drv_bank.h>
|
|
#include <zephyr/sys/mem_stats.h>
|
|
|
|
void sys_mm_drv_bank_init(struct sys_mm_drv_bank *bank, uint32_t bank_pages)
|
|
{
|
|
bank->unmapped_pages = 0;
|
|
bank->mapped_pages = bank_pages;
|
|
bank->max_mapped_pages = bank_pages;
|
|
}
|
|
|
|
uint32_t sys_mm_drv_bank_page_mapped(struct sys_mm_drv_bank *bank)
|
|
{
|
|
bank->unmapped_pages--;
|
|
bank->mapped_pages++;
|
|
if (bank->mapped_pages > bank->max_mapped_pages) {
|
|
bank->max_mapped_pages = bank->mapped_pages;
|
|
}
|
|
return bank->mapped_pages;
|
|
}
|
|
|
|
uint32_t sys_mm_drv_bank_page_unmapped(struct sys_mm_drv_bank *bank)
|
|
{
|
|
bank->unmapped_pages++;
|
|
bank->mapped_pages--;
|
|
return bank->unmapped_pages;
|
|
}
|
|
|
|
void sys_mm_drv_bank_stats_get(struct sys_mm_drv_bank *bank,
|
|
struct sys_memory_stats *stats)
|
|
{
|
|
stats->free_bytes = bank->unmapped_pages *
|
|
CONFIG_MM_DRV_PAGE_SIZE;
|
|
stats->allocated_bytes = bank->mapped_pages *
|
|
CONFIG_MM_DRV_PAGE_SIZE;
|
|
stats->max_allocated_bytes = bank->max_mapped_pages *
|
|
CONFIG_MM_DRV_PAGE_SIZE;
|
|
}
|
|
|
|
void sys_mm_drv_bank_stats_reset_max(struct sys_mm_drv_bank *bank)
|
|
{
|
|
bank->max_mapped_pages = bank->mapped_pages;
|
|
}
|