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37 * Holds the structures for the eal internal configuration
40 #ifndef _EAL_LINUXAPP_INTERNAL_CFG
41 #define _EAL_LINUXAPP_INTERNAL_CFG
43 #define MAX_HUGEPAGE_SIZES 3 /**< support up to 3 page sizes */
46 * internal configuration structure for the number, size and
47 * mount points of hugepages
49 struct hugepage_info {
50 uint64_t hugepage_sz; /**< size of a huge page */
51 const char *hugedir; /**< dir where hugetlbfs is mounted */
52 uint32_t num_pages; /**< number of hugepages of that size */
56 * internal configuration
58 struct internal_config {
59 volatile uint64_t memory; /* amount of asked memory */
60 volatile unsigned force_nchannel; /* force number of channels */
61 volatile unsigned force_nrank; /* force number of ranks */
62 volatile unsigned no_hugetlbfs; /* true to disable hugetlbfs */
63 volatile unsigned no_pci; /* true to disable PCI */
64 volatile unsigned no_hpet; /* true to disable HPET */
65 volatile unsigned no_shconf; /* true if there is no shared config */
66 volatile enum rte_proc_type_t process_type; /* multi-process proc type */
67 const char *hugefile_prefix; /* the base filename of hugetlbfs files */
68 const char *hugepage_dir; /* specific hugetlbfs directory to use */
70 unsigned num_hugepage_sizes; /* how many sizes on this system */
71 struct hugepage_info hugepage_info[MAX_HUGEPAGE_SIZES];
73 extern struct internal_config internal_config; /**< Global EAL configuration. */