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11fdf7f2 TL |
1 | /* SPDX-License-Identifier: BSD-3-Clause |
2 | * Copyright(c) 2010-2014 Intel Corporation | |
7c673cae FG |
3 | */ |
4 | ||
5 | /** | |
6 | * @file | |
7 | * Holds the structures for the eal internal configuration | |
8 | */ | |
9 | ||
10 | #ifndef EAL_INTERNAL_CFG_H | |
11 | #define EAL_INTERNAL_CFG_H | |
12 | ||
13 | #include <rte_eal.h> | |
14 | #include <rte_pci_dev_feature_defs.h> | |
15 | ||
9f95a23c TL |
16 | #include "eal_thread.h" |
17 | ||
7c673cae FG |
18 | #define MAX_HUGEPAGE_SIZES 3 /**< support up to 3 page sizes */ |
19 | ||
20 | /* | |
21 | * internal configuration structure for the number, size and | |
22 | * mount points of hugepages | |
23 | */ | |
24 | struct hugepage_info { | |
25 | uint64_t hugepage_sz; /**< size of a huge page */ | |
11fdf7f2 | 26 | char hugedir[PATH_MAX]; /**< dir where hugetlbfs is mounted */ |
7c673cae | 27 | uint32_t num_pages[RTE_MAX_NUMA_NODES]; |
11fdf7f2 | 28 | /**< number of hugepages of that size on each socket */ |
7c673cae FG |
29 | int lock_descriptor; /**< file descriptor for hugepage dir */ |
30 | }; | |
31 | ||
32 | /** | |
33 | * internal configuration | |
34 | */ | |
35 | struct internal_config { | |
36 | volatile size_t memory; /**< amount of asked memory */ | |
37 | volatile unsigned force_nchannel; /**< force number of channels */ | |
38 | volatile unsigned force_nrank; /**< force number of ranks */ | |
39 | volatile unsigned no_hugetlbfs; /**< true to disable hugetlbfs */ | |
40 | unsigned hugepage_unlink; /**< true to unlink backing files */ | |
7c673cae FG |
41 | volatile unsigned no_pci; /**< true to disable PCI */ |
42 | volatile unsigned no_hpet; /**< true to disable HPET */ | |
43 | volatile unsigned vmware_tsc_map; /**< true to use VMware TSC mapping | |
44 | * instead of native TSC */ | |
45 | volatile unsigned no_shconf; /**< true if there is no shared config */ | |
11fdf7f2 TL |
46 | volatile unsigned in_memory; |
47 | /**< true if DPDK should operate entirely in-memory and not create any | |
48 | * shared files or runtime data. | |
49 | */ | |
7c673cae FG |
50 | volatile unsigned create_uio_dev; /**< true to create /dev/uioX devices */ |
51 | volatile enum rte_proc_type_t process_type; /**< multi-process proc type */ | |
52 | /** true to try allocating memory on specific sockets */ | |
53 | volatile unsigned force_sockets; | |
54 | volatile uint64_t socket_mem[RTE_MAX_NUMA_NODES]; /**< amount of memory per socket */ | |
11fdf7f2 TL |
55 | volatile unsigned force_socket_limits; |
56 | volatile uint64_t socket_limit[RTE_MAX_NUMA_NODES]; /**< limit amount of memory per socket */ | |
7c673cae | 57 | uintptr_t base_virtaddr; /**< base address to try and reserve memory from */ |
11fdf7f2 TL |
58 | volatile unsigned legacy_mem; |
59 | /**< true to enable legacy memory behavior (no dynamic allocation, | |
60 | * IOVA-contiguous segments). | |
61 | */ | |
9f95a23c TL |
62 | volatile unsigned match_allocations; |
63 | /**< true to free hugepages exactly as allocated */ | |
11fdf7f2 TL |
64 | volatile unsigned single_file_segments; |
65 | /**< true if storing all pages within single files (per-page-size, | |
66 | * per-node) non-legacy mode only. | |
67 | */ | |
7c673cae | 68 | volatile int syslog_facility; /**< facility passed to openlog() */ |
7c673cae FG |
69 | /** default interrupt mode for VFIO */ |
70 | volatile enum rte_intr_mode vfio_intr_mode; | |
9f95a23c TL |
71 | char *hugefile_prefix; /**< the base filename of hugetlbfs files */ |
72 | char *hugepage_dir; /**< specific hugetlbfs directory to use */ | |
73 | char *user_mbuf_pool_ops_name; | |
11fdf7f2 | 74 | /**< user defined mbuf pool ops name */ |
7c673cae FG |
75 | unsigned num_hugepage_sizes; /**< how many sizes on this system */ |
76 | struct hugepage_info hugepage_info[MAX_HUGEPAGE_SIZES]; | |
9f95a23c TL |
77 | enum rte_iova_mode iova_mode ; /**< Set IOVA mode on this system */ |
78 | rte_cpuset_t ctrl_cpuset; /**< cpuset for ctrl threads */ | |
11fdf7f2 TL |
79 | volatile unsigned int init_complete; |
80 | /**< indicates whether EAL has completed initialization */ | |
7c673cae FG |
81 | }; |
82 | extern struct internal_config internal_config; /**< Global EAL configuration. */ | |
83 | ||
84 | void eal_reset_internal_config(struct internal_config *internal_cfg); | |
85 | ||
86 | #endif /* EAL_INTERNAL_CFG_H */ |