mirror of https://github.com/F-Stack/f-stack.git
89 lines
3.5 KiB
C
89 lines
3.5 KiB
C
/* SPDX-License-Identifier: BSD-3-Clause
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* Copyright(c) 2010-2014 Intel Corporation
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*/
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/**
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* @file
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* Holds the structures for the eal internal configuration
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*/
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#ifndef EAL_INTERNAL_CFG_H
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#define EAL_INTERNAL_CFG_H
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#include <rte_eal.h>
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#include <rte_pci_dev_feature_defs.h>
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#include "eal_thread.h"
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#if defined(RTE_ARCH_ARM) || defined(RTE_ARCH_ARM64)
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#define MAX_HUGEPAGE_SIZES 4 /**< support up to 4 page sizes */
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#else
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#define MAX_HUGEPAGE_SIZES 3 /**< support up to 3 page sizes */
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#endif
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/*
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* internal configuration structure for the number, size and
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* mount points of hugepages
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*/
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struct hugepage_info {
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uint64_t hugepage_sz; /**< size of a huge page */
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char hugedir[PATH_MAX]; /**< dir where hugetlbfs is mounted */
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uint32_t num_pages[RTE_MAX_NUMA_NODES];
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/**< number of hugepages of that size on each socket */
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int lock_descriptor; /**< file descriptor for hugepage dir */
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};
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/**
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* internal configuration
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*/
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struct internal_config {
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volatile size_t memory; /**< amount of asked memory */
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volatile unsigned force_nchannel; /**< force number of channels */
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volatile unsigned force_nrank; /**< force number of ranks */
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volatile unsigned no_hugetlbfs; /**< true to disable hugetlbfs */
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unsigned hugepage_unlink; /**< true to unlink backing files */
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volatile unsigned no_pci; /**< true to disable PCI */
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volatile unsigned no_hpet; /**< true to disable HPET */
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volatile unsigned vmware_tsc_map; /**< true to use VMware TSC mapping
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* instead of native TSC */
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volatile unsigned no_shconf; /**< true if there is no shared config */
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volatile unsigned in_memory;
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/**< true if DPDK should operate entirely in-memory and not create any
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* shared files or runtime data.
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*/
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volatile unsigned create_uio_dev; /**< true to create /dev/uioX devices */
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volatile enum rte_proc_type_t process_type; /**< multi-process proc type */
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/** true to try allocating memory on specific sockets */
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volatile unsigned force_sockets;
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volatile uint64_t socket_mem[RTE_MAX_NUMA_NODES]; /**< amount of memory per socket */
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volatile unsigned force_socket_limits;
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volatile uint64_t socket_limit[RTE_MAX_NUMA_NODES]; /**< limit amount of memory per socket */
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uintptr_t base_virtaddr; /**< base address to try and reserve memory from */
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volatile unsigned legacy_mem;
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/**< true to enable legacy memory behavior (no dynamic allocation,
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* IOVA-contiguous segments).
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*/
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volatile unsigned single_file_segments;
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/**< true if storing all pages within single files (per-page-size,
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* per-node) non-legacy mode only.
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*/
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volatile int syslog_facility; /**< facility passed to openlog() */
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/** default interrupt mode for VFIO */
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volatile enum rte_intr_mode vfio_intr_mode;
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char *hugefile_prefix; /**< the base filename of hugetlbfs files */
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char *hugepage_dir; /**< specific hugetlbfs directory to use */
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char *user_mbuf_pool_ops_name;
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/**< user defined mbuf pool ops name */
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unsigned num_hugepage_sizes; /**< how many sizes on this system */
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struct hugepage_info hugepage_info[MAX_HUGEPAGE_SIZES];
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enum rte_iova_mode iova_mode ; /**< Set IOVA mode on this system */
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rte_cpuset_t ctrl_cpuset; /**< cpuset for ctrl threads */
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volatile unsigned int init_complete;
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/**< indicates whether EAL has completed initialization */
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};
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extern struct internal_config internal_config; /**< Global EAL configuration. */
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void eal_reset_internal_config(struct internal_config *internal_cfg);
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#endif /* EAL_INTERNAL_CFG_H */
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