-/*-
- * 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.
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(c) 2010-2014 Intel Corporation
*/
#include <stdlib.h>
#include <rte_log.h>
#include <rte_memory.h>
#include <rte_memzone.h>
-#include <rte_tailq.h>
#include <rte_eal.h>
-#include <rte_eal_memconfig.h>
#include <rte_per_lcore.h>
#include <rte_errno.h>
#include <rte_string_fns.h>
#include <rte_common.h>
+#include <rte_eal_trace.h>
+#include "malloc_heap.h"
+#include "malloc_elem.h"
#include "eal_private.h"
-
-/* internal copy of free memory segments */
-static struct rte_memseg *free_memseg = NULL;
+#include "eal_memcfg.h"
static inline const struct rte_memzone *
memzone_lookup_thread_unsafe(const char *name)
{
- const struct rte_mem_config *mcfg;
- unsigned i = 0;
+ struct rte_mem_config *mcfg;
+ struct rte_fbarray *arr;
+ const struct rte_memzone *mz;
+ int i = 0;
/* get pointer to global configuration */
mcfg = rte_eal_get_configuration()->mem_config;
+ arr = &mcfg->memzones;
/*
* the algorithm is not optimal (linear), but there are few
* zones and this function should be called at init only
*/
- for (i = 0; i < RTE_MAX_MEMZONE && mcfg->memzone[i].addr != NULL; i++) {
- if (!strncmp(name, mcfg->memzone[i].name, RTE_MEMZONE_NAMESIZE))
- return &mcfg->memzone[i];
+ i = rte_fbarray_find_next_used(arr, 0);
+ while (i >= 0) {
+ mz = rte_fbarray_get(arr, i);
+ if (mz->addr != NULL &&
+ !strncmp(name, mz->name, RTE_MEMZONE_NAMESIZE))
+ return mz;
+ i = rte_fbarray_find_next_used(arr, i + 1);
}
-
return NULL;
}
-/*
- * Return a pointer to a correctly filled memzone descriptor. If the
- * allocation cannot be done, return NULL.
- */
-const struct rte_memzone *
-rte_memzone_reserve(const char *name, size_t len, int socket_id,
- unsigned flags)
-{
- return rte_memzone_reserve_aligned(name,
- len, socket_id, flags, CACHE_LINE_SIZE);
-}
-
-/*
- * Helper function for memzone_reserve_aligned_thread_unsafe().
- * Calculate address offset from the start of the segment.
- * Align offset in that way that it satisfy istart alignmnet and
- * buffer of the requested length would not cross specified boundary.
- */
-static inline phys_addr_t
-align_phys_boundary(const struct rte_memseg *ms, size_t len, size_t align,
- size_t bound)
-{
- phys_addr_t addr_offset, bmask, end, start;
- size_t step;
-
- step = RTE_MAX(align, bound);
- bmask = ~((phys_addr_t)bound - 1);
-
- /* calculate offset to closest alignment */
- start = RTE_ALIGN_CEIL(ms->phys_addr, align);
- addr_offset = start - ms->phys_addr;
-
- while (addr_offset + len < ms->len) {
-
- /* check, do we meet boundary condition */
- end = start + len - (len != 0);
- if ((start & bmask) == (end & bmask))
- break;
-
- /* calculate next offset */
- start = RTE_ALIGN_CEIL(start + 1, step);
- addr_offset = start - ms->phys_addr;
- }
-
- return (addr_offset);
-}
-
static const struct rte_memzone *
memzone_reserve_aligned_thread_unsafe(const char *name, size_t len,
- int socket_id, unsigned flags, unsigned align, unsigned bound)
+ int socket_id, unsigned int flags, unsigned int align,
+ unsigned int bound)
{
+ struct rte_memzone *mz;
struct rte_mem_config *mcfg;
- unsigned i = 0;
- int memseg_idx = -1;
- uint64_t addr_offset, seg_offset = 0;
+ struct rte_fbarray *arr;
+ void *mz_addr;
size_t requested_len;
- size_t memseg_len = 0;
- phys_addr_t memseg_physaddr;
- void *memseg_addr;
+ int mz_idx;
+ bool contig;
/* get pointer to global configuration */
mcfg = rte_eal_get_configuration()->mem_config;
+ arr = &mcfg->memzones;
/* no more room in config */
- if (mcfg->memzone_idx >= RTE_MAX_MEMZONE) {
- RTE_LOG(ERR, EAL, "%s(): No more room in config\n", __func__);
+ if (arr->count >= arr->len) {
+ RTE_LOG(ERR, EAL,
+ "%s(): Number of requested memzone segments exceeds RTE_MAX_MEMZONE\n",
+ __func__);
rte_errno = ENOSPC;
return NULL;
}
+ if (strlen(name) > sizeof(mz->name) - 1) {
+ RTE_LOG(DEBUG, EAL, "%s(): memzone <%s>: name too long\n",
+ __func__, name);
+ rte_errno = ENAMETOOLONG;
+ return NULL;
+ }
+
/* zone already exist */
if ((memzone_lookup_thread_unsafe(name)) != NULL) {
RTE_LOG(DEBUG, EAL, "%s(): memzone <%s> already exists\n",
}
/* if alignment is not a power of two */
- if (!rte_is_power_of_2(align)) {
+ if (align && !rte_is_power_of_2(align)) {
RTE_LOG(ERR, EAL, "%s(): Invalid alignment: %u\n", __func__,
align);
rte_errno = EINVAL;
}
/* alignment less than cache size is not allowed */
- if (align < CACHE_LINE_SIZE)
- align = CACHE_LINE_SIZE;
-
+ if (align < RTE_CACHE_LINE_SIZE)
+ align = RTE_CACHE_LINE_SIZE;
/* align length on cache boundary. Check for overflow before doing so */
- if (len > SIZE_MAX - CACHE_LINE_MASK) {
+ if (len > SIZE_MAX - RTE_CACHE_LINE_MASK) {
rte_errno = EINVAL; /* requested size too big */
return NULL;
}
- len += CACHE_LINE_MASK;
- len &= ~((size_t) CACHE_LINE_MASK);
+ len = RTE_ALIGN_CEIL(len, RTE_CACHE_LINE_SIZE);
/* save minimal requested length */
- requested_len = RTE_MAX((size_t)CACHE_LINE_SIZE, len);
+ requested_len = RTE_MAX((size_t)RTE_CACHE_LINE_SIZE, len);
/* check that boundary condition is valid */
- if (bound != 0 &&
- (requested_len > bound || !rte_is_power_of_2(bound))) {
+ if (bound != 0 && (requested_len > bound || !rte_is_power_of_2(bound))) {
rte_errno = EINVAL;
return NULL;
}
- /* find the smallest segment matching requirements */
- for (i = 0; i < RTE_MAX_MEMSEG; i++) {
- /* last segment */
- if (free_memseg[i].addr == NULL)
- break;
-
- /* empty segment, skip it */
- if (free_memseg[i].len == 0)
- continue;
-
- /* bad socket ID */
- if (socket_id != SOCKET_ID_ANY &&
- socket_id != free_memseg[i].socket_id)
- continue;
-
- /*
- * calculate offset to closest alignment that
- * meets boundary conditions.
- */
- addr_offset = align_phys_boundary(free_memseg + i,
- requested_len, align, bound);
-
- /* check len */
- if ((requested_len + addr_offset) > free_memseg[i].len)
- continue;
-
- /* check flags for hugepage sizes */
- if ((flags & RTE_MEMZONE_2MB) &&
- free_memseg[i].hugepage_sz == RTE_PGSIZE_1G )
- continue;
- if ((flags & RTE_MEMZONE_1GB) &&
- free_memseg[i].hugepage_sz == RTE_PGSIZE_2M )
- continue;
-
- /* this segment is the best until now */
- if (memseg_idx == -1) {
- memseg_idx = i;
- memseg_len = free_memseg[i].len;
- seg_offset = addr_offset;
- }
- /* find the biggest contiguous zone */
- else if (len == 0) {
- if (free_memseg[i].len > memseg_len) {
- memseg_idx = i;
- memseg_len = free_memseg[i].len;
- seg_offset = addr_offset;
- }
- }
- /*
- * find the smallest (we already checked that current
- * zone length is > len
- */
- else if (free_memseg[i].len + align < memseg_len ||
- (free_memseg[i].len <= memseg_len + align &&
- addr_offset < seg_offset)) {
- memseg_idx = i;
- memseg_len = free_memseg[i].len;
- seg_offset = addr_offset;
- }
+ if ((socket_id != SOCKET_ID_ANY) && socket_id < 0) {
+ rte_errno = EINVAL;
+ return NULL;
}
- /* no segment found */
- if (memseg_idx == -1) {
- /*
- * If RTE_MEMZONE_SIZE_HINT_ONLY flag is specified,
- * try allocating again without the size parameter otherwise -fail.
- */
- if ((flags & RTE_MEMZONE_SIZE_HINT_ONLY) &&
- ((flags & RTE_MEMZONE_1GB) || (flags & RTE_MEMZONE_2MB)))
- return memzone_reserve_aligned_thread_unsafe(name,
- len, socket_id, 0, align, bound);
-
+ /* only set socket to SOCKET_ID_ANY if we aren't allocating for an
+ * external heap.
+ */
+ if (!rte_eal_has_hugepages() && socket_id < RTE_MAX_NUMA_NODES)
+ socket_id = SOCKET_ID_ANY;
+
+ contig = (flags & RTE_MEMZONE_IOVA_CONTIG) != 0;
+ /* malloc only cares about size flags, remove contig flag from flags */
+ flags &= ~RTE_MEMZONE_IOVA_CONTIG;
+
+ if (len == 0 && bound == 0) {
+ /* no size constraints were placed, so use malloc elem len */
+ requested_len = 0;
+ mz_addr = malloc_heap_alloc_biggest(NULL, socket_id, flags,
+ align, contig);
+ } else {
+ if (len == 0)
+ requested_len = bound;
+ /* allocate memory on heap */
+ mz_addr = malloc_heap_alloc(NULL, requested_len, socket_id,
+ flags, align, bound, contig);
+ }
+ if (mz_addr == NULL) {
rte_errno = ENOMEM;
return NULL;
}
- /* save aligned physical and virtual addresses */
- memseg_physaddr = free_memseg[memseg_idx].phys_addr + seg_offset;
- memseg_addr = RTE_PTR_ADD(free_memseg[memseg_idx].addr,
- (uintptr_t) seg_offset);
-
- /* if we are looking for a biggest memzone */
- if (len == 0) {
- if (bound == 0)
- requested_len = memseg_len - seg_offset;
- else
- requested_len = RTE_ALIGN_CEIL(memseg_physaddr + 1,
- bound) - memseg_physaddr;
- }
+ struct malloc_elem *elem = malloc_elem_from_data(mz_addr);
- /* set length to correct value */
- len = (size_t)seg_offset + requested_len;
+ /* fill the zone in config */
+ mz_idx = rte_fbarray_find_next_free(arr, 0);
- /* update our internal state */
- free_memseg[memseg_idx].len -= len;
- free_memseg[memseg_idx].phys_addr += len;
- free_memseg[memseg_idx].addr =
- (char *)free_memseg[memseg_idx].addr + len;
+ if (mz_idx < 0) {
+ mz = NULL;
+ } else {
+ rte_fbarray_set_used(arr, mz_idx);
+ mz = rte_fbarray_get(arr, mz_idx);
+ }
- /* fill the zone in config */
- struct rte_memzone *mz = &mcfg->memzone[mcfg->memzone_idx++];
- rte_snprintf(mz->name, sizeof(mz->name), "%s", name);
- mz->phys_addr = memseg_physaddr;
- mz->addr = memseg_addr;
- mz->len = requested_len;
- mz->hugepage_sz = free_memseg[memseg_idx].hugepage_sz;
- mz->socket_id = free_memseg[memseg_idx].socket_id;
+ if (mz == NULL) {
+ RTE_LOG(ERR, EAL, "%s(): Cannot find free memzone\n", __func__);
+ malloc_heap_free(elem);
+ rte_errno = ENOSPC;
+ return NULL;
+ }
+
+ strlcpy(mz->name, name, sizeof(mz->name));
+ mz->iova = rte_malloc_virt2iova(mz_addr);
+ mz->addr = mz_addr;
+ mz->len = requested_len == 0 ?
+ elem->size - elem->pad - MALLOC_ELEM_OVERHEAD :
+ requested_len;
+ mz->hugepage_sz = elem->msl->page_sz;
+ mz->socket_id = elem->msl->socket_id;
mz->flags = 0;
- mz->memseg_id = memseg_idx;
return mz;
}
-/*
- * Return a pointer to a correctly filled memzone descriptor (with a
- * specified alignment). If the allocation cannot be done, return NULL.
- */
-const struct rte_memzone *
-rte_memzone_reserve_aligned(const char *name, size_t len,
- int socket_id, unsigned flags, unsigned align)
+static const struct rte_memzone *
+rte_memzone_reserve_thread_safe(const char *name, size_t len, int socket_id,
+ unsigned int flags, unsigned int align, unsigned int bound)
{
struct rte_mem_config *mcfg;
const struct rte_memzone *mz = NULL;
- /* both sizes cannot be explicitly called for */
- if ((flags & RTE_MEMZONE_1GB) && (flags & RTE_MEMZONE_2MB)) {
- rte_errno = EINVAL;
- return NULL;
- }
-
/* get pointer to global configuration */
mcfg = rte_eal_get_configuration()->mem_config;
rte_rwlock_write_lock(&mcfg->mlock);
mz = memzone_reserve_aligned_thread_unsafe(
- name, len, socket_id, flags, align, 0);
+ name, len, socket_id, flags, align, bound);
+
+ rte_eal_trace_memzone_reserve(name, len, socket_id, flags, align,
+ bound, mz);
rte_rwlock_write_unlock(&mcfg->mlock);
/*
* Return a pointer to a correctly filled memzone descriptor (with a
- * specified alignment and boundary).
- * If the allocation cannot be done, return NULL.
+ * specified alignment and boundary). If the allocation cannot be done,
+ * return NULL.
+ */
+const struct rte_memzone *
+rte_memzone_reserve_bounded(const char *name, size_t len, int socket_id,
+ unsigned flags, unsigned align, unsigned bound)
+{
+ return rte_memzone_reserve_thread_safe(name, len, socket_id, flags,
+ align, bound);
+}
+
+/*
+ * Return a pointer to a correctly filled memzone descriptor (with a
+ * specified alignment). If the allocation cannot be done, return NULL.
+ */
+const struct rte_memzone *
+rte_memzone_reserve_aligned(const char *name, size_t len, int socket_id,
+ unsigned flags, unsigned align)
+{
+ return rte_memzone_reserve_thread_safe(name, len, socket_id, flags,
+ align, 0);
+}
+
+/*
+ * Return a pointer to a correctly filled memzone descriptor. If the
+ * allocation cannot be done, return NULL.
*/
const struct rte_memzone *
-rte_memzone_reserve_bounded(const char *name, size_t len,
- int socket_id, unsigned flags, unsigned align, unsigned bound)
+rte_memzone_reserve(const char *name, size_t len, int socket_id,
+ unsigned flags)
+{
+ return rte_memzone_reserve_thread_safe(name, len, socket_id,
+ flags, RTE_CACHE_LINE_SIZE, 0);
+}
+
+int
+rte_memzone_free(const struct rte_memzone *mz)
{
+ char name[RTE_MEMZONE_NAMESIZE];
struct rte_mem_config *mcfg;
- const struct rte_memzone *mz = NULL;
+ struct rte_fbarray *arr;
+ struct rte_memzone *found_mz;
+ int ret = 0;
+ void *addr = NULL;
+ unsigned idx;
- /* both sizes cannot be explicitly called for */
- if ((flags & RTE_MEMZONE_1GB) && (flags & RTE_MEMZONE_2MB)) {
- rte_errno = EINVAL;
- return NULL;
- }
+ if (mz == NULL)
+ return -EINVAL;
- /* get pointer to global configuration */
+ rte_strlcpy(name, mz->name, RTE_MEMZONE_NAMESIZE);
mcfg = rte_eal_get_configuration()->mem_config;
+ arr = &mcfg->memzones;
rte_rwlock_write_lock(&mcfg->mlock);
- mz = memzone_reserve_aligned_thread_unsafe(
- name, len, socket_id, flags, align, bound);
+ idx = rte_fbarray_find_idx(arr, mz);
+ found_mz = rte_fbarray_get(arr, idx);
+
+ if (found_mz == NULL) {
+ ret = -EINVAL;
+ } else if (found_mz->addr == NULL) {
+ RTE_LOG(ERR, EAL, "Memzone is not allocated\n");
+ ret = -EINVAL;
+ } else {
+ addr = found_mz->addr;
+ memset(found_mz, 0, sizeof(*found_mz));
+ rte_fbarray_set_free(arr, idx);
+ }
rte_rwlock_write_unlock(&mcfg->mlock);
- return mz;
-}
+ if (addr != NULL)
+ rte_free(addr);
+ rte_eal_trace_memzone_free(name, addr, ret);
+ return ret;
+}
/*
* Lookup for the memzone identified by the given name
const struct rte_memzone *memzone = NULL;
mcfg = rte_eal_get_configuration()->mem_config;
-
+
rte_rwlock_read_lock(&mcfg->mlock);
memzone = memzone_lookup_thread_unsafe(name);
rte_rwlock_read_unlock(&mcfg->mlock);
+ rte_eal_trace_memzone_lookup(name, memzone);
return memzone;
}
-/* Dump all reserved memory zones on console */
-void
-rte_memzone_dump(void)
+static void
+dump_memzone(const struct rte_memzone *mz, void *arg)
{
- struct rte_mem_config *mcfg;
- unsigned i = 0;
-
- /* get pointer to global configuration */
- mcfg = rte_eal_get_configuration()->mem_config;
-
- rte_rwlock_read_lock(&mcfg->mlock);
- /* dump all zones */
- for (i=0; i<RTE_MAX_MEMZONE; i++) {
- if (mcfg->memzone[i].addr == NULL)
- break;
- printf("Zone %u: name:<%s>, phys:0x%"PRIx64", len:0x%zx"
- ", virt:%p, socket_id:%"PRId32", flags:%"PRIx32"\n", i,
- mcfg->memzone[i].name,
- mcfg->memzone[i].phys_addr,
- mcfg->memzone[i].len,
- mcfg->memzone[i].addr,
- mcfg->memzone[i].socket_id,
- mcfg->memzone[i].flags);
+ struct rte_mem_config *mcfg = rte_eal_get_configuration()->mem_config;
+ struct rte_memseg_list *msl = NULL;
+ void *cur_addr, *mz_end;
+ struct rte_memseg *ms;
+ int mz_idx, ms_idx;
+ size_t page_sz;
+ FILE *f = arg;
+
+ mz_idx = rte_fbarray_find_idx(&mcfg->memzones, mz);
+
+ fprintf(f, "Zone %u: name:<%s>, len:0x%zx, virt:%p, "
+ "socket_id:%"PRId32", flags:%"PRIx32"\n",
+ mz_idx,
+ mz->name,
+ mz->len,
+ mz->addr,
+ mz->socket_id,
+ mz->flags);
+
+ /* go through each page occupied by this memzone */
+ msl = rte_mem_virt2memseg_list(mz->addr);
+ if (!msl) {
+ RTE_LOG(DEBUG, EAL, "Skipping bad memzone\n");
+ return;
}
- rte_rwlock_read_unlock(&mcfg->mlock);
+ page_sz = (size_t)mz->hugepage_sz;
+ cur_addr = RTE_PTR_ALIGN_FLOOR(mz->addr, page_sz);
+ mz_end = RTE_PTR_ADD(cur_addr, mz->len);
+
+ fprintf(f, "physical segments used:\n");
+ ms_idx = RTE_PTR_DIFF(mz->addr, msl->base_va) / page_sz;
+ ms = rte_fbarray_get(&msl->memseg_arr, ms_idx);
+
+ do {
+ fprintf(f, " addr: %p iova: 0x%" PRIx64 " "
+ "len: 0x%zx "
+ "pagesz: 0x%zx\n",
+ cur_addr, ms->iova, ms->len, page_sz);
+
+ /* advance VA to next page */
+ cur_addr = RTE_PTR_ADD(cur_addr, page_sz);
+
+ /* memzones occupy contiguous segments */
+ ++ms;
+ } while (cur_addr < mz_end);
}
-/*
- * called by init: modify the free memseg list to have cache-aligned
- * addresses and cache-aligned lengths
- */
-static int
-memseg_sanitize(struct rte_memseg *memseg)
+/* Dump all reserved memory zones on console */
+void
+rte_memzone_dump(FILE *f)
{
- unsigned phys_align;
- unsigned virt_align;
- unsigned off;
-
- phys_align = memseg->phys_addr & CACHE_LINE_MASK;
- virt_align = (unsigned long)memseg->addr & CACHE_LINE_MASK;
-
- /*
- * sanity check: phys_addr and addr must have the same
- * alignment
- */
- if (phys_align != virt_align)
- return -1;
-
- /* memseg is really too small, don't bother with it */
- if (memseg->len < (2 * CACHE_LINE_SIZE)) {
- memseg->len = 0;
- return 0;
- }
-
- /* align start address */
- off = (CACHE_LINE_SIZE - phys_align) & CACHE_LINE_MASK;
- memseg->phys_addr += off;
- memseg->addr = (char *)memseg->addr + off;
- memseg->len -= off;
-
- /* align end address */
- memseg->len &= ~((uint64_t)CACHE_LINE_MASK);
-
- return 0;
+ rte_memzone_walk(dump_memzone, f);
}
/*
rte_eal_memzone_init(void)
{
struct rte_mem_config *mcfg;
- const struct rte_memseg *memseg;
- unsigned i = 0;
+ int ret = 0;
/* get pointer to global configuration */
mcfg = rte_eal_get_configuration()->mem_config;
- /* mirror the runtime memsegs from config */
- free_memseg = mcfg->free_memseg;
-
- /* secondary processes don't need to initialise anything */
- if (rte_eal_process_type() == RTE_PROC_SECONDARY)
- return 0;
-
- memseg = rte_eal_get_physmem_layout();
- if (memseg == NULL) {
- RTE_LOG(ERR, EAL, "%s(): Cannot get physical layout\n", __func__);
- return -1;
- }
-
rte_rwlock_write_lock(&mcfg->mlock);
- /* fill in uninitialized free_memsegs */
- for (i = 0; i < RTE_MAX_MEMSEG; i++) {
- if (memseg[i].addr == NULL)
- break;
- if (free_memseg[i].addr != NULL)
- continue;
- memcpy(&free_memseg[i], &memseg[i], sizeof(struct rte_memseg));
+ if (rte_eal_process_type() == RTE_PROC_PRIMARY &&
+ rte_fbarray_init(&mcfg->memzones, "memzone",
+ RTE_MAX_MEMZONE, sizeof(struct rte_memzone))) {
+ RTE_LOG(ERR, EAL, "Cannot allocate memzone list\n");
+ ret = -1;
+ } else if (rte_eal_process_type() == RTE_PROC_SECONDARY &&
+ rte_fbarray_attach(&mcfg->memzones)) {
+ RTE_LOG(ERR, EAL, "Cannot attach to memzone list\n");
+ ret = -1;
}
- /* make all zones cache-aligned */
- for (i = 0; i < RTE_MAX_MEMSEG; i++) {
- if (free_memseg[i].addr == NULL)
- break;
- if (memseg_sanitize(&free_memseg[i]) < 0) {
- RTE_LOG(ERR, EAL, "%s(): Sanity check failed\n", __func__);
- rte_rwlock_write_unlock(&mcfg->mlock);
- return -1;
- }
- }
+ rte_rwlock_write_unlock(&mcfg->mlock);
- /* delete all zones */
- mcfg->memzone_idx = 0;
- memset(mcfg->memzone, 0, sizeof(mcfg->memzone));
+ return ret;
+}
- rte_rwlock_write_unlock(&mcfg->mlock);
+/* Walk all reserved memory zones */
+void rte_memzone_walk(void (*func)(const struct rte_memzone *, void *),
+ void *arg)
+{
+ struct rte_mem_config *mcfg;
+ struct rte_fbarray *arr;
+ int i;
+
+ mcfg = rte_eal_get_configuration()->mem_config;
+ arr = &mcfg->memzones;
- return 0;
+ rte_rwlock_read_lock(&mcfg->mlock);
+ i = rte_fbarray_find_next_used(arr, 0);
+ while (i >= 0) {
+ struct rte_memzone *mz = rte_fbarray_get(arr, i);
+ (*func)(mz, arg);
+ i = rte_fbarray_find_next_used(arr, i + 1);
+ }
+ rte_rwlock_read_unlock(&mcfg->mlock);
}
git.droids-corp.org / dpdk.git / blobdiff