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Diffstat (limited to 'lib/librte_eal/common/eal_internal_cfg.h')
| -rw-r--r-- | lib/librte_eal/common/eal_internal_cfg.h | 94 |
1 files changed, 94 insertions, 0 deletions
diff --git a/lib/librte_eal/common/eal_internal_cfg.h b/lib/librte_eal/common/eal_internal_cfg.h new file mode 100644 index 00000000..5f1367eb --- /dev/null +++ b/lib/librte_eal/common/eal_internal_cfg.h @@ -0,0 +1,94 @@ +/*- + * BSD LICENSE + * + * Copyright(c) 2010-2014 Intel Corporation. All rights reserved. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * * Neither the name of Intel Corporation nor the names of its + * contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +/** + * @file + * Holds the structures for the eal internal configuration + */ + +#ifndef EAL_INTERNAL_CFG_H +#define EAL_INTERNAL_CFG_H + +#include <rte_eal.h> +#include <rte_pci_dev_feature_defs.h> + +#define MAX_HUGEPAGE_SIZES 3 /**< support up to 3 page sizes */ + +/* + * internal configuration structure for the number, size and + * mount points of hugepages + */ +struct hugepage_info { + uint64_t hugepage_sz; /**< size of a huge page */ + const char *hugedir; /**< dir where hugetlbfs is mounted */ + uint32_t num_pages[RTE_MAX_NUMA_NODES]; + /**< number of hugepages of that size on each socket */ + int lock_descriptor; /**< file descriptor for hugepage dir */ +}; + +/** + * internal configuration + */ +struct internal_config { + volatile size_t memory; /**< amount of asked memory */ + volatile unsigned force_nchannel; /**< force number of channels */ + volatile unsigned force_nrank; /**< force number of ranks */ + volatile unsigned no_hugetlbfs; /**< true to disable hugetlbfs */ + unsigned hugepage_unlink; /**< true to unlink backing files */ + volatile unsigned xen_dom0_support; /**< support app running on Xen Dom0*/ + volatile unsigned no_pci; /**< true to disable PCI */ + volatile unsigned no_hpet; /**< true to disable HPET */ + volatile unsigned vmware_tsc_map; /**< true to use VMware TSC mapping + * instead of native TSC */ + volatile unsigned no_shconf; /**< true if there is no shared config */ + volatile unsigned create_uio_dev; /**< true to create /dev/uioX devices */ + volatile enum rte_proc_type_t process_type; /**< multi-process proc type */ + /** true to try allocating memory on specific sockets */ + volatile unsigned force_sockets; + volatile uint64_t socket_mem[RTE_MAX_NUMA_NODES]; /**< amount of memory per socket */ + uintptr_t base_virtaddr; /**< base address to try and reserve memory from */ + volatile int syslog_facility; /**< facility passed to openlog() */ + volatile uint32_t log_level; /**< default log level */ + /** default interrupt mode for VFIO */ + volatile enum rte_intr_mode vfio_intr_mode; + const char *hugefile_prefix; /**< the base filename of hugetlbfs files */ + const char *hugepage_dir; /**< specific hugetlbfs directory to use */ + + unsigned num_hugepage_sizes; /**< how many sizes on this system */ + struct hugepage_info hugepage_info[MAX_HUGEPAGE_SIZES]; +}; +extern struct internal_config internal_config; /**< Global EAL configuration. */ + +void eal_reset_internal_config(struct internal_config *internal_cfg); + +#endif /* EAL_INTERNAL_CFG_H */ |