/* for debug purposes, hugetlbfs can be disabled */
if (internal_config.no_hugetlbfs) {
struct rte_memseg_list *msl;
- struct rte_fbarray *arr;
- struct rte_memseg *ms;
- uint64_t page_sz;
- int n_segs, cur_seg;
+ uint64_t mem_sz, page_sz;
+ int n_segs;
/* create a memseg list */
msl = &mcfg->memsegs[0];
+ mem_sz = internal_config.memory;
page_sz = RTE_PGSIZE_4K;
- n_segs = internal_config.memory / page_sz;
+ n_segs = mem_sz / page_sz;
- if (rte_fbarray_init(&msl->memseg_arr, "nohugemem", n_segs,
- sizeof(struct rte_memseg))) {
- RTE_LOG(ERR, EAL, "Cannot allocate memseg list\n");
+ if (eal_memseg_list_init_named(
+ msl, "nohugemem", page_sz, n_segs, 0, true)) {
return -1;
}
- addr = mmap(NULL, internal_config.memory,
- PROT_READ | PROT_WRITE,
+ addr = mmap(NULL, mem_sz, PROT_READ | PROT_WRITE,
MAP_PRIVATE | MAP_ANONYMOUS, -1, 0);
if (addr == MAP_FAILED) {
RTE_LOG(ERR, EAL, "%s: mmap() failed: %s\n", __func__,
strerror(errno));
return -1;
}
- msl->base_va = addr;
- msl->page_sz = page_sz;
- msl->len = internal_config.memory;
- msl->socket_id = 0;
- msl->heap = 1;
-
- /* populate memsegs. each memseg is 1 page long */
- for (cur_seg = 0; cur_seg < n_segs; cur_seg++) {
- arr = &msl->memseg_arr;
- ms = rte_fbarray_get(arr, cur_seg);
- if (rte_eal_iova_mode() == RTE_IOVA_VA)
- ms->iova = (uintptr_t)addr;
- else
- ms->iova = RTE_BAD_IOVA;
- ms->addr = addr;
- ms->hugepage_sz = page_sz;
- ms->len = page_sz;
- ms->socket_id = 0;
+ msl->base_va = addr;
+ msl->len = mem_sz;
- rte_fbarray_set_used(arr, cur_seg);
+ eal_memseg_list_populate(msl, addr, n_segs);
- addr = RTE_PTR_ADD(addr, page_sz);
- }
return 0;
}
return RTE_ALIGN(area_sz, page_sz);
}
-#define MEMSEG_LIST_FMT "memseg-%" PRIu64 "k-%i-%i"
-static int
-alloc_memseg_list(struct rte_memseg_list *msl, uint64_t page_sz,
- int n_segs, int socket_id, int type_msl_idx)
-{
- char name[RTE_FBARRAY_NAME_LEN];
-
- snprintf(name, sizeof(name), MEMSEG_LIST_FMT, page_sz >> 10, socket_id,
- type_msl_idx);
- if (rte_fbarray_init(&msl->memseg_arr, name, n_segs,
- sizeof(struct rte_memseg))) {
- RTE_LOG(ERR, EAL, "Cannot allocate memseg list: %s\n",
- rte_strerror(rte_errno));
- return -1;
- }
-
- msl->page_sz = page_sz;
- msl->socket_id = socket_id;
- msl->base_va = NULL;
-
- RTE_LOG(DEBUG, EAL, "Memseg list allocated: 0x%zxkB at socket %i\n",
- (size_t)page_sz >> 10, socket_id);
-
- return 0;
-}
-
static int
-alloc_va_space(struct rte_memseg_list *msl)
+memseg_list_alloc(struct rte_memseg_list *msl)
{
- uint64_t page_sz;
- size_t mem_sz;
- void *addr;
int flags = 0;
#ifdef RTE_ARCH_PPC_64
- flags |= MAP_HUGETLB;
+ flags |= EAL_RESERVE_HUGEPAGES;
#endif
-
- page_sz = msl->page_sz;
- mem_sz = page_sz * msl->memseg_arr.len;
-
- addr = eal_get_virtual_area(msl->base_va, &mem_sz, page_sz, 0, flags);
- if (addr == NULL) {
- if (rte_errno == EADDRNOTAVAIL)
- RTE_LOG(ERR, EAL, "Could not mmap %llu bytes at [%p] - "
- "please use '--" OPT_BASE_VIRTADDR "' option\n",
- (unsigned long long)mem_sz, msl->base_va);
- else
- RTE_LOG(ERR, EAL, "Cannot reserve memory\n");
- return -1;
- }
- msl->base_va = addr;
- msl->len = mem_sz;
-
- return 0;
+ return eal_memseg_list_alloc(msl, flags);
}
-
static int
memseg_primary_init(void)
{
*
* we need (N*2)-1 segments because we cannot guarantee that
* each segment will be IOVA-contiguous with the previous one,
- * so we will allocate more and put spaces inbetween segments
+ * so we will allocate more and put spaces between segments
* that are non-contiguous.
*/
avail_segs = (hpi->num_pages[0] * 2) - 1;
cur_max_mem);
n_segs = cur_mem / hugepage_sz;
- if (alloc_memseg_list(msl, hugepage_sz, n_segs,
- 0, type_msl_idx))
+ if (eal_memseg_list_init(msl, hugepage_sz, n_segs,
+ 0, type_msl_idx, false))
return -1;
total_segs += msl->memseg_arr.len;
total_type_mem = total_segs * hugepage_sz;
type_msl_idx++;
- if (alloc_va_space(msl)) {
+ if (memseg_list_alloc(msl)) {
RTE_LOG(ERR, EAL, "Cannot allocate VA space for memseg list\n");
return -1;
}
}
/* preallocate VA space */
- if (alloc_va_space(msl)) {
+ if (memseg_list_alloc(msl)) {
RTE_LOG(ERR, EAL, "Cannot preallocate VA space for hugepage memory\n");
return -1;
}
git.droids-corp.org / dpdk.git / blobdiff