/* SPDX-License-Identifier: BSD-3-Clause
- * Copyright(c) 2010-2014 Intel Corporation
+ * Copyright(c) 2010-2019 Intel Corporation
*/
#include <stdint.h>
void *
rte_zmalloc_socket(const char *type, size_t size, unsigned align, int socket)
{
- return rte_malloc_socket(type, size, align, socket);
+ void *ptr = rte_malloc_socket(type, size, align, socket);
+
+#ifdef RTE_MALLOC_DEBUG
+ /*
+ * If DEBUG is enabled, then freed memory is marked with poison
+ * value and set to zero on allocation.
+ * If DEBUG is not enabled then memory is already zeroed.
+ */
+ if (ptr != NULL)
+ memset(ptr, 0, size);
+#endif
+ return ptr;
}
/*
}
/*
- * Resize allocated memory.
+ * Resize allocated memory on specified heap.
*/
void *
-rte_realloc(void *ptr, size_t size, unsigned align)
+rte_realloc_socket(void *ptr, size_t size, unsigned int align, int socket)
{
if (ptr == NULL)
- return rte_malloc(NULL, size, align);
+ return rte_malloc_socket(NULL, size, align, socket);
struct malloc_elem *elem = malloc_elem_from_data(ptr);
if (elem == NULL) {
}
size = RTE_CACHE_LINE_ROUNDUP(size), align = RTE_CACHE_LINE_ROUNDUP(align);
- /* check alignment matches first, and if ok, see if we can resize block */
- if (RTE_PTR_ALIGN(ptr,align) == ptr &&
+
+ /* check requested socket id and alignment matches first, and if ok,
+ * see if we can resize block
+ */
+ if ((socket == SOCKET_ID_ANY ||
+ (unsigned int)socket == elem->heap->socket_id) &&
+ RTE_PTR_ALIGN(ptr, align) == ptr &&
malloc_heap_resize(elem, size) == 0)
return ptr;
- /* either alignment is off, or we have no room to expand,
- * so move data. */
- void *new_ptr = rte_malloc(NULL, size, align);
+ /* either requested socket id doesn't match, alignment is off
+ * or we have no room to expand,
+ * so move the data.
+ */
+ void *new_ptr = rte_malloc_socket(NULL, size, align, socket);
if (new_ptr == NULL)
return NULL;
const unsigned old_size = elem->size - MALLOC_ELEM_OVERHEAD;
return new_ptr;
}
+/*
+ * Resize allocated memory.
+ */
+void *
+rte_realloc(void *ptr, size_t size, unsigned int align)
+{
+ return rte_realloc_socket(ptr, size, align, SOCKET_ID_ANY);
+}
+
int
rte_malloc_validate(const void *ptr, size_t *size)
{
struct rte_malloc_socket_stats *socket_stats)
{
struct rte_mem_config *mcfg = rte_eal_get_configuration()->mem_config;
- int heap_idx, ret = -1;
-
- rte_rwlock_read_lock(&mcfg->memory_hotplug_lock);
+ int heap_idx;
heap_idx = malloc_socket_to_heap_id(socket);
if (heap_idx < 0)
- goto unlock;
+ return -1;
- ret = malloc_heap_get_stats(&mcfg->malloc_heaps[heap_idx],
+ return malloc_heap_get_stats(&mcfg->malloc_heaps[heap_idx],
socket_stats);
-unlock:
- rte_rwlock_read_unlock(&mcfg->memory_hotplug_lock);
-
- return ret;
}
/*
* Function to dump contents of all heaps
*/
-void __rte_experimental
+void
rte_malloc_dump_heaps(FILE *f)
{
struct rte_mem_config *mcfg = rte_eal_get_configuration()->mem_config;
unsigned int idx;
- rte_rwlock_read_lock(&mcfg->memory_hotplug_lock);
-
for (idx = 0; idx < RTE_MAX_HEAPS; idx++) {
fprintf(f, "Heap id: %u\n", idx);
malloc_heap_dump(&mcfg->malloc_heaps[idx], f);
}
-
- rte_rwlock_read_unlock(&mcfg->memory_hotplug_lock);
}
int
unsigned int heap_id;
struct rte_malloc_socket_stats sock_stats;
- rte_rwlock_read_lock(&mcfg->memory_hotplug_lock);
-
/* Iterate through all initialised heaps */
for (heap_id = 0; heap_id < RTE_MAX_HEAPS; heap_id++) {
struct malloc_heap *heap = &mcfg->malloc_heaps[heap_id];
fprintf(f, "\tAlloc_count:%u,\n",sock_stats.alloc_count);
fprintf(f, "\tFree_count:%u,\n", sock_stats.free_count);
}
- rte_rwlock_read_unlock(&mcfg->memory_hotplug_lock);
return;
}
{
struct rte_mem_config *mcfg = rte_eal_get_configuration()->mem_config;
struct malloc_heap *heap = NULL;
+ struct rte_memseg_list *msl;
unsigned int n;
int ret;
if (heap_name == NULL || va_addr == NULL ||
page_sz == 0 || !rte_is_power_of_2(page_sz) ||
+ RTE_ALIGN(len, page_sz) != len ||
+ !rte_is_aligned(va_addr, page_sz) ||
+ ((len / page_sz) != n_pages && iova_addrs != NULL) ||
strnlen(heap_name, RTE_HEAP_NAME_MAX_LEN) == 0 ||
strnlen(heap_name, RTE_HEAP_NAME_MAX_LEN) ==
RTE_HEAP_NAME_MAX_LEN) {
rte_errno = EINVAL;
- ret = -1;
- goto unlock;
+ return -1;
}
rte_rwlock_write_lock(&mcfg->memory_hotplug_lock);
goto unlock;
}
n = len / page_sz;
- if (n != n_pages && iova_addrs != NULL) {
- rte_errno = EINVAL;
+
+ msl = malloc_heap_create_external_seg(va_addr, iova_addrs, n, page_sz,
+ heap_name, heap->socket_id);
+ if (msl == NULL) {
ret = -1;
goto unlock;
}
rte_spinlock_lock(&heap->lock);
- ret = malloc_heap_add_external_memory(heap, va_addr, iova_addrs, n,
- page_sz);
+ ret = malloc_heap_add_external_memory(heap, msl);
rte_spinlock_unlock(&heap->lock);
unlock:
{
struct rte_mem_config *mcfg = rte_eal_get_configuration()->mem_config;
struct malloc_heap *heap = NULL;
+ struct rte_memseg_list *msl;
int ret;
if (heap_name == NULL || va_addr == NULL || len == 0 ||
goto unlock;
}
+ msl = malloc_heap_find_external_seg(va_addr, len);
+ if (msl == NULL) {
+ ret = -1;
+ goto unlock;
+ }
+
rte_spinlock_lock(&heap->lock);
ret = malloc_heap_remove_external_memory(heap, va_addr, len);
rte_spinlock_unlock(&heap->lock);
+ if (ret != 0)
+ goto unlock;
+
+ ret = malloc_heap_destroy_external_seg(msl);
unlock:
rte_rwlock_write_unlock(&mcfg->memory_hotplug_lock);
return ret;
}
-struct sync_mem_walk_arg {
- void *va_addr;
- size_t len;
- int result;
- bool attach;
-};
-
-static int
-sync_mem_walk(const struct rte_memseg_list *msl, void *arg)
-{
- struct rte_mem_config *mcfg = rte_eal_get_configuration()->mem_config;
- struct sync_mem_walk_arg *wa = arg;
- size_t len = msl->page_sz * msl->memseg_arr.len;
-
- if (msl->base_va == wa->va_addr &&
- len == wa->len) {
- struct rte_memseg_list *found_msl;
- int msl_idx, ret;
-
- /* msl is const */
- msl_idx = msl - mcfg->memsegs;
- found_msl = &mcfg->memsegs[msl_idx];
-
- if (wa->attach) {
- ret = rte_fbarray_attach(&found_msl->memseg_arr);
- } else {
- /* notify all subscribers that a memory area is about to
- * be removed
- */
- eal_memalloc_mem_event_notify(RTE_MEM_EVENT_FREE,
- msl->base_va, msl->len);
- ret = rte_fbarray_detach(&found_msl->memseg_arr);
- }
-
- if (ret < 0) {
- wa->result = -rte_errno;
- } else {
- /* notify all subscribers that a new memory area was
- * added
- */
- if (wa->attach)
- eal_memalloc_mem_event_notify(
- RTE_MEM_EVENT_ALLOC,
- msl->base_va, msl->len);
- wa->result = 0;
- }
- return 1;
- }
- return 0;
-}
-
static int
sync_memory(const char *heap_name, void *va_addr, size_t len, bool attach)
{
struct rte_mem_config *mcfg = rte_eal_get_configuration()->mem_config;
struct malloc_heap *heap = NULL;
- struct sync_mem_walk_arg wa;
+ struct rte_memseg_list *msl;
int ret;
if (heap_name == NULL || va_addr == NULL || len == 0 ||
}
/* find corresponding memseg list to sync to */
- wa.va_addr = va_addr;
- wa.len = len;
- wa.result = -ENOENT; /* fail unless explicitly told to succeed */
- wa.attach = attach;
-
- /* we're already holding a read lock */
- rte_memseg_list_walk_thread_unsafe(sync_mem_walk, &wa);
-
- if (wa.result < 0) {
- rte_errno = -wa.result;
+ msl = malloc_heap_find_external_seg(va_addr, len);
+ if (msl == NULL) {
ret = -1;
- } else {
- /* notify all subscribers that a new memory area was added */
- if (attach)
+ goto unlock;
+ }
+
+ if (attach) {
+ ret = rte_fbarray_attach(&msl->memseg_arr);
+ if (ret == 0) {
+ /* notify all subscribers that a new memory area was
+ * added.
+ */
eal_memalloc_mem_event_notify(RTE_MEM_EVENT_ALLOC,
va_addr, len);
- ret = 0;
+ } else {
+ ret = -1;
+ goto unlock;
+ }
+ } else {
+ /* notify all subscribers that a memory area is about to
+ * be removed.
+ */
+ eal_memalloc_mem_event_notify(RTE_MEM_EVENT_FREE,
+ msl->base_va, msl->len);
+ ret = rte_fbarray_detach(&msl->memseg_arr);
+ if (ret < 0) {
+ ret = -1;
+ goto unlock;
+ }
}
unlock:
rte_rwlock_read_unlock(&mcfg->memory_hotplug_lock);
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