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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
45 #define MAX_HUGEPAGE_SIZES 3 /**< support up to 3 page sizes */
48 * internal configuration structure for the number, size and
49 * mount points of hugepages
51 struct hugepage_info {
52 size_t hugepage_sz; /**< size of a huge page */
53 const char *hugedir; /**< dir where hugetlbfs is mounted */
54 uint32_t num_pages[RTE_MAX_NUMA_NODES];
55 /**< number of hugepages of that size on each socket */
56 int lock_descriptor; /**< file descriptor for hugepage dir */
60 * internal configuration
62 struct internal_config {
63 volatile size_t memory; /**< amount of asked memory */
64 volatile unsigned force_nchannel; /**< force number of channels */
65 volatile unsigned force_nrank; /**< force number of ranks */
66 volatile unsigned no_hugetlbfs; /**< true to disable hugetlbfs */
67 volatile unsigned no_pci; /**< true to disable PCI */
68 volatile unsigned no_hpet; /**< true to disable HPET */
69 volatile unsigned no_shconf; /**< true if there is no shared config */
70 volatile enum rte_proc_type_t process_type; /* multi-process proc type */
71 /* true to try allocating memory on specific sockets */
72 volatile unsigned force_sockets;
73 volatile uint64_t socket_mem[RTE_MAX_NUMA_NODES]; /**< amount of memory per socket*/
74 volatile int syslog_facility; /**< facility passed to openlog() */
75 const char *hugefile_prefix; /**< the base filename of hugetlbfs files */
76 const char *hugepage_dir; /**< specific hugetlbfs directory to use */
78 unsigned num_hugepage_sizes; /**< how many sizes on this system */
79 struct hugepage_info hugepage_info[MAX_HUGEPAGE_SIZES];
81 extern struct internal_config internal_config; /**< Global EAL configuration. */