update source to Ceph Pacific 16.2.2

[ceph.git] / ceph / src / spdk / dpdk / lib / librte_eal / freebsd / eal / eal_hugepage_info.c

diff --git a/ceph/src/spdk/dpdk/lib/librte_eal/freebsd/eal/eal_hugepage_info.c b/ceph/src/spdk/dpdk/lib/librte_eal/freebsd/eal/eal_hugepage_info.c
deleted file mode 100644 (file)
index 32012e1..0000000
--- a/ceph/src/spdk/dpdk/lib/librte_eal/freebsd/eal/eal_hugepage_info.c
+++ /dev/null
@@ -1,156 +0,0 @@
-/* SPDX-License-Identifier: BSD-3-Clause
- * Copyright(c) 2010-2014 Intel Corporation
- */
-#include <sys/types.h>
-#include <sys/sysctl.h>
-#include <sys/mman.h>
-#include <string.h>
-
-#include <rte_log.h>
-#include <fcntl.h>
-#include "eal_hugepages.h"
-#include "eal_internal_cfg.h"
-#include "eal_filesystem.h"
-
-#define CONTIGMEM_DEV "/dev/contigmem"
-
-/*
- * Uses mmap to create a shared memory area for storage of data
- * Used in this file to store the hugepage file map on disk
- */
-static void *
-map_shared_memory(const char *filename, const size_t mem_size, int flags)
-{
-       void *retval;
-       int fd = open(filename, flags, 0600);
-       if (fd < 0)
-               return NULL;
-       if (ftruncate(fd, mem_size) < 0) {
-               close(fd);
-               return NULL;
-       }
-       retval = mmap(NULL, mem_size, PROT_READ | PROT_WRITE, MAP_SHARED, fd, 0);
-       close(fd);
-       return retval;
-}
-
-static void *
-open_shared_memory(const char *filename, const size_t mem_size)
-{
-       return map_shared_memory(filename, mem_size, O_RDWR);
-}
-
-static void *
-create_shared_memory(const char *filename, const size_t mem_size)
-{
-       return map_shared_memory(filename, mem_size, O_RDWR | O_CREAT);
-}
-
-/*
- * No hugepage support on freebsd, but we dummy it, using contigmem driver
- */
-int
-eal_hugepage_info_init(void)
-{
-       size_t sysctl_size;
-       int num_buffers, fd, error;
-       int64_t buffer_size;
-       /* re-use the linux "internal config" structure for our memory data */
-       struct hugepage_info *hpi = &internal_config.hugepage_info[0];
-       struct hugepage_info *tmp_hpi;
-       unsigned int i;
-
-       internal_config.num_hugepage_sizes = 1;
-
-       sysctl_size = sizeof(num_buffers);
-       error = sysctlbyname("hw.contigmem.num_buffers", &num_buffers,
-                       &sysctl_size, NULL, 0);
-
-       if (error != 0) {
-               RTE_LOG(ERR, EAL, "could not read sysctl hw.contigmem.num_buffers\n");
-               return -1;
-       }
-
-       sysctl_size = sizeof(buffer_size);
-       error = sysctlbyname("hw.contigmem.buffer_size", &buffer_size,
-                       &sysctl_size, NULL, 0);
-
-       if (error != 0) {
-               RTE_LOG(ERR, EAL, "could not read sysctl hw.contigmem.buffer_size\n");
-               return -1;
-       }
-
-       fd = open(CONTIGMEM_DEV, O_RDWR);
-       if (fd < 0) {
-               RTE_LOG(ERR, EAL, "could not open "CONTIGMEM_DEV"\n");
-               return -1;
-       }
-
-       if (buffer_size >= 1<<30)
-               RTE_LOG(INFO, EAL, "Contigmem driver has %d buffers, each of size %dGB\n",
-                               num_buffers, (int)(buffer_size>>30));
-       else if (buffer_size >= 1<<20)
-               RTE_LOG(INFO, EAL, "Contigmem driver has %d buffers, each of size %dMB\n",
-                               num_buffers, (int)(buffer_size>>20));
-       else
-               RTE_LOG(INFO, EAL, "Contigmem driver has %d buffers, each of size %dKB\n",
-                               num_buffers, (int)(buffer_size>>10));
-
-       strlcpy(hpi->hugedir, CONTIGMEM_DEV, sizeof(hpi->hugedir));
-       hpi->hugepage_sz = buffer_size;
-       hpi->num_pages[0] = num_buffers;
-       hpi->lock_descriptor = fd;
-
-       /* for no shared files mode, do not create shared memory config */
-       if (internal_config.no_shconf)
-               return 0;
-
-       tmp_hpi = create_shared_memory(eal_hugepage_info_path(),
-                       sizeof(internal_config.hugepage_info));
-       if (tmp_hpi == NULL ) {
-               RTE_LOG(ERR, EAL, "Failed to create shared memory!\n");
-               return -1;
-       }
-
-       memcpy(tmp_hpi, hpi, sizeof(internal_config.hugepage_info));
-
-       /* we've copied file descriptors along with everything else, but they
-        * will be invalid in secondary process, so overwrite them
-        */
-       for (i = 0; i < RTE_DIM(internal_config.hugepage_info); i++) {
-               struct hugepage_info *tmp = &tmp_hpi[i];
-               tmp->lock_descriptor = -1;
-       }
-
-       if (munmap(tmp_hpi, sizeof(internal_config.hugepage_info)) < 0) {
-               RTE_LOG(ERR, EAL, "Failed to unmap shared memory!\n");
-               return -1;
-       }
-
-       return 0;
-}
-
-/* copy stuff from shared info into internal config */
-int
-eal_hugepage_info_read(void)
-{
-       struct hugepage_info *hpi = &internal_config.hugepage_info[0];
-       struct hugepage_info *tmp_hpi;
-
-       internal_config.num_hugepage_sizes = 1;
-
-       tmp_hpi = open_shared_memory(eal_hugepage_info_path(),
-                                 sizeof(internal_config.hugepage_info));
-       if (tmp_hpi == NULL) {
-               RTE_LOG(ERR, EAL, "Failed to open shared memory!\n");
-               return -1;
-       }
-
-       memcpy(hpi, tmp_hpi, sizeof(internal_config.hugepage_info));
-
-       if (munmap(tmp_hpi, sizeof(internal_config.hugepage_info)) < 0) {
-               RTE_LOG(ERR, EAL, "Failed to unmap shared memory!\n");
-               return -1;
-       }
-       return 0;
-}