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Diffstat (limited to 'src/dpdk_lib18/librte_eal/common/include/rte_memory.h')
| -rwxr-xr-x | src/dpdk_lib18/librte_eal/common/include/rte_memory.h | 218 |
1 files changed, 0 insertions, 218 deletions
diff --git a/src/dpdk_lib18/librte_eal/common/include/rte_memory.h b/src/dpdk_lib18/librte_eal/common/include/rte_memory.h deleted file mode 100755 index 7f8103f4..00000000 --- a/src/dpdk_lib18/librte_eal/common/include/rte_memory.h +++ /dev/null @@ -1,218 +0,0 @@ -/*- - * 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. - */ - -#ifndef _RTE_MEMORY_H_ -#define _RTE_MEMORY_H_ - -/** - * @file - * - * Memory-related RTE API. - */ - -#include <stdint.h> -#include <stddef.h> -#include <stdio.h> - -#ifdef RTE_EXEC_ENV_LINUXAPP -#include <exec-env/rte_dom0_common.h> -#endif - -#ifdef __cplusplus -extern "C" { -#endif - -enum rte_page_sizes { - RTE_PGSIZE_4K = 1ULL << 12, - RTE_PGSIZE_2M = 1ULL << 21, - RTE_PGSIZE_1G = 1ULL << 30, - RTE_PGSIZE_64K = 1ULL << 16, - RTE_PGSIZE_16M = 1ULL << 24, - RTE_PGSIZE_16G = 1ULL << 34 -}; - -#define SOCKET_ID_ANY -1 /**< Any NUMA socket. */ -#ifndef RTE_CACHE_LINE_SIZE -#define RTE_CACHE_LINE_SIZE 64 /**< Cache line size. */ -#endif -#define RTE_CACHE_LINE_MASK (RTE_CACHE_LINE_SIZE-1) /**< Cache line mask. */ - -#define RTE_CACHE_LINE_ROUNDUP(size) \ - (RTE_CACHE_LINE_SIZE * ((size + RTE_CACHE_LINE_SIZE - 1) / RTE_CACHE_LINE_SIZE)) -/**< Return the first cache-aligned value greater or equal to size. */ - -/** - * Force alignment to cache line. - */ -#define __rte_cache_aligned __attribute__((__aligned__(RTE_CACHE_LINE_SIZE))) - -typedef uint64_t phys_addr_t; /**< Physical address definition. */ -#define RTE_BAD_PHYS_ADDR ((phys_addr_t)-1) - -/** - * Physical memory segment descriptor. - */ -struct rte_memseg { - phys_addr_t phys_addr; /**< Start physical address. */ - union { - void *addr; /**< Start virtual address. */ - uint64_t addr_64; /**< Makes sure addr is always 64 bits */ - }; -#ifdef RTE_LIBRTE_IVSHMEM - phys_addr_t ioremap_addr; /**< Real physical address inside the VM */ -#endif - size_t len; /**< Length of the segment. */ - uint64_t hugepage_sz; /**< The pagesize of underlying memory */ - int32_t socket_id; /**< NUMA socket ID. */ - uint32_t nchannel; /**< Number of channels. */ - uint32_t nrank; /**< Number of ranks. */ -#ifdef RTE_LIBRTE_XEN_DOM0 - /**< store segment MFNs */ - uint64_t mfn[DOM0_NUM_MEMBLOCK]; -#endif -} __attribute__((__packed__)); - -/** - * Lock page in physical memory and prevent from swapping. - * - * @param virt - * The virtual address. - * @return - * 0 on success, negative on error. - */ -int rte_mem_lock_page(const void *virt); - -/** - * Get physical address of any mapped virtual address in the current process. - * It is found by browsing the /proc/self/pagemap special file. - * The page must be locked. - * - * @param virt - * The virtual address. - * @return - * The physical address or RTE_BAD_PHYS_ADDR on error. - */ -phys_addr_t rte_mem_virt2phy(const void *virt); - -/** - * Get the layout of the available physical memory. - * - * It can be useful for an application to have the full physical - * memory layout to decide the size of a memory zone to reserve. This - * table is stored in rte_config (see rte_eal_get_configuration()). - * - * @return - * - On success, return a pointer to a read-only table of struct - * rte_physmem_desc elements, containing the layout of all - * addressable physical memory. The last element of the table - * contains a NULL address. - * - On error, return NULL. This should not happen since it is a fatal - * error that will probably cause the entire system to panic. - */ -const struct rte_memseg *rte_eal_get_physmem_layout(void); - -/** - * Dump the physical memory layout to the console. - * - * @param f - * A pointer to a file for output - */ -void rte_dump_physmem_layout(FILE *f); - -/** - * Get the total amount of available physical memory. - * - * @return - * The total amount of available physical memory in bytes. - */ -uint64_t rte_eal_get_physmem_size(void); - -/** - * Get the number of memory channels. - * - * @return - * The number of memory channels on the system. The value is 0 if unknown - * or not the same on all devices. - */ -unsigned rte_memory_get_nchannel(void); - -/** - * Get the number of memory ranks. - * - * @return - * The number of memory ranks on the system. The value is 0 if unknown or - * not the same on all devices. - */ -unsigned rte_memory_get_nrank(void); - -#ifdef RTE_LIBRTE_XEN_DOM0 -/** - * Return the physical address of elt, which is an element of the pool mp. - * - * @param memseg_id - * The mempool is from which memory segment. - * @param phy_addr - * physical address of elt. - * - * @return - * The physical address or error. - */ -phys_addr_t rte_mem_phy2mch(uint32_t memseg_id, const phys_addr_t phy_addr); - -/** - * Memory init for supporting application running on Xen domain0. - * - * @param void - * - * @return - * 0: successfully - * negative: error - */ -int rte_xen_dom0_memory_init(void); - -/** - * Attach to memory setments of primary process on Xen domain0. - * - * @param void - * - * @return - * 0: successfully - * negative: error - */ -int rte_xen_dom0_memory_attach(void); -#endif -#ifdef __cplusplus -} -#endif - -#endif /* _RTE_MEMORY_H_ */ |