From ea5ebe0809fb31b9f125ac0689f706cc5f3f078f Mon Sep 17 00:00:00 2001 From: Kimplul Date: Sun, 30 Apr 2023 17:06:02 +0300 Subject: rename to kmi --- include/apos/dmem.h | 62 ----------------------------------------------------- 1 file changed, 62 deletions(-) delete mode 100644 include/apos/dmem.h (limited to 'include/apos/dmem.h') diff --git a/include/apos/dmem.h b/include/apos/dmem.h deleted file mode 100644 index 00f4892..0000000 --- a/include/apos/dmem.h +++ /dev/null @@ -1,62 +0,0 @@ -/* SPDX-License-Identifier: GPL-3.0-or-later */ -/* Copyright 2021 - 2022, Kim Kuparinen < kimi.h.kuparinen@gmail.com > */ - -#ifndef APOS_DEV_H -#define APOS_DEV_H - -/** - * @file dmem.h - * Device memory handling, i.e. anything outside of RAM. - * \todo Make global parameters functions instead. - */ - -#include -#include - -/** Provides access to the global parameter. \global */ -extern pm_t __pre_base; - -/** Provides access to the global parameter. \global */ -extern pm_t __pre_top; - -/** Provides access to the global parameter. \global */ -extern pm_t __post_base; - -/** Provides access to the global parameter. \global */ -extern pm_t __post_top; - -/** - * Initialize device memory. - * @note Currently I assume there is only one RAM region. This may not be the - * case with NUMA. - * - * @param ram_base Start of RAM. - * @param ram_top Top of RAM. - * @return stat_t \ref OK on success, nothing else at the moment. - */ -stat_t init_devmem(pm_t ram_base, pm_t ram_top); - -/** - * Allocate direct device mapping. - * @note Returned address might not be the same as the requested address. The - * caller is responsible for passing the returned address to \ref free_devmem(), not - * the requested address. - * - * @param p Process to allocate device mapping to. - * @param dev_start Start of physical address where device is mapped to. - * @param bytes Minimum size of direct memory allocation. - * @param flags Access flags of allocation. - * @return Address to start of allocation if succesful, \c 0 otherwise. - */ -vm_t alloc_devmem(struct tcb *p, pm_t dev_start, size_t bytes, vmflags_t flags); - -/** - * Free direct device mapping. - * - * @param p Process to free mapping from. - * @param dev_start Start of allocation. - * @return \ref OK when succesful, \c ERR_NF when mapping not found. - */ -stat_t free_devmem(struct tcb *p, vm_t dev_start); - -#endif /* APOS_DEV_H */ -- cgit v1.3