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authorLuca Boccassi <luca.boccassi@gmail.com>2017-11-08 14:15:11 +0000
committerLuca Boccassi <luca.boccassi@gmail.com>2017-11-08 14:45:54 +0000
commit055c52583a2794da8ba1e85a48cce3832372b12f (patch)
tree8ceb1cb78fbb46a0f341f8ee24feb3c6b5540013 /lib/librte_mempool
parentf239aed5e674965691846e8ce3f187dd47523689 (diff)
New upstream version 17.11-rc3
Change-Id: I6a5baa40612fe0c20f30b5fa773a6cbbac63a685 Signed-off-by: Luca Boccassi <luca.boccassi@gmail.com>
Diffstat (limited to 'lib/librte_mempool')
-rw-r--r--lib/librte_mempool/Makefile3
-rw-r--r--lib/librte_mempool/rte_mempool.c177
-rw-r--r--lib/librte_mempool/rte_mempool.h194
-rw-r--r--lib/librte_mempool/rte_mempool_ops.c29
-rw-r--r--lib/librte_mempool/rte_mempool_version.map10
5 files changed, 296 insertions, 117 deletions
diff --git a/lib/librte_mempool/Makefile b/lib/librte_mempool/Makefile
index 7b5bdfee..46654e32 100644
--- a/lib/librte_mempool/Makefile
+++ b/lib/librte_mempool/Makefile
@@ -35,10 +35,11 @@ include $(RTE_SDK)/mk/rte.vars.mk
LIB = librte_mempool.a
CFLAGS += $(WERROR_FLAGS) -I$(SRCDIR) -O3
+LDLIBS += -lrte_eal -lrte_ring
EXPORT_MAP := rte_mempool_version.map
-LIBABIVER := 2
+LIBABIVER := 3
# all source are stored in SRCS-y
SRCS-$(CONFIG_RTE_LIBRTE_MEMPOOL) += rte_mempool.c
diff --git a/lib/librte_mempool/rte_mempool.c b/lib/librte_mempool/rte_mempool.c
index 6fc3c9c7..d50dba49 100644
--- a/lib/librte_mempool/rte_mempool.c
+++ b/lib/librte_mempool/rte_mempool.c
@@ -128,7 +128,7 @@ static unsigned optimize_object_size(unsigned obj_size)
}
static void
-mempool_add_elem(struct rte_mempool *mp, void *obj, phys_addr_t physaddr)
+mempool_add_elem(struct rte_mempool *mp, void *obj, rte_iova_t iova)
{
struct rte_mempool_objhdr *hdr;
struct rte_mempool_objtlr *tlr __rte_unused;
@@ -136,7 +136,7 @@ mempool_add_elem(struct rte_mempool *mp, void *obj, phys_addr_t physaddr)
/* set mempool ptr in header */
hdr = RTE_PTR_SUB(obj, sizeof(*hdr));
hdr->mp = mp;
- hdr->physaddr = physaddr;
+ hdr->iova = iova;
STAILQ_INSERT_TAIL(&mp->elt_list, hdr, next);
mp->populated_size++;
@@ -238,9 +238,16 @@ rte_mempool_calc_obj_size(uint32_t elt_size, uint32_t flags,
* Calculate maximum amount of memory required to store given number of objects.
*/
size_t
-rte_mempool_xmem_size(uint32_t elt_num, size_t total_elt_sz, uint32_t pg_shift)
+rte_mempool_xmem_size(uint32_t elt_num, size_t total_elt_sz, uint32_t pg_shift,
+ unsigned int flags)
{
size_t obj_per_page, pg_num, pg_sz;
+ unsigned int mask;
+
+ mask = MEMPOOL_F_CAPA_BLK_ALIGNED_OBJECTS | MEMPOOL_F_CAPA_PHYS_CONTIG;
+ if ((flags & mask) == mask)
+ /* alignment need one additional object */
+ elt_num += 1;
if (total_elt_sz == 0)
return 0;
@@ -263,23 +270,29 @@ rte_mempool_xmem_size(uint32_t elt_num, size_t total_elt_sz, uint32_t pg_shift)
*/
ssize_t
rte_mempool_xmem_usage(__rte_unused void *vaddr, uint32_t elt_num,
- size_t total_elt_sz, const phys_addr_t paddr[], uint32_t pg_num,
- uint32_t pg_shift)
+ size_t total_elt_sz, const rte_iova_t iova[], uint32_t pg_num,
+ uint32_t pg_shift, unsigned int flags)
{
uint32_t elt_cnt = 0;
- phys_addr_t start, end;
- uint32_t paddr_idx;
+ rte_iova_t start, end;
+ uint32_t iova_idx;
size_t pg_sz = (size_t)1 << pg_shift;
+ unsigned int mask;
+
+ mask = MEMPOOL_F_CAPA_BLK_ALIGNED_OBJECTS | MEMPOOL_F_CAPA_PHYS_CONTIG;
+ if ((flags & mask) == mask)
+ /* alignment need one additional object */
+ elt_num += 1;
- /* if paddr is NULL, assume contiguous memory */
- if (paddr == NULL) {
+ /* if iova is NULL, assume contiguous memory */
+ if (iova == NULL) {
start = 0;
end = pg_sz * pg_num;
- paddr_idx = pg_num;
+ iova_idx = pg_num;
} else {
- start = paddr[0];
- end = paddr[0] + pg_sz;
- paddr_idx = 1;
+ start = iova[0];
+ end = iova[0] + pg_sz;
+ iova_idx = 1;
}
while (elt_cnt < elt_num) {
@@ -287,15 +300,15 @@ rte_mempool_xmem_usage(__rte_unused void *vaddr, uint32_t elt_num,
/* enough contiguous memory, add an object */
start += total_elt_sz;
elt_cnt++;
- } else if (paddr_idx < pg_num) {
+ } else if (iova_idx < pg_num) {
/* no room to store one obj, add a page */
- if (end == paddr[paddr_idx]) {
+ if (end == iova[iova_idx]) {
end += pg_sz;
} else {
- start = paddr[paddr_idx];
- end = paddr[paddr_idx] + pg_sz;
+ start = iova[iova_idx];
+ end = iova[iova_idx] + pg_sz;
}
- paddr_idx++;
+ iova_idx++;
} else {
/* no more page, return how many elements fit */
@@ -303,7 +316,7 @@ rte_mempool_xmem_usage(__rte_unused void *vaddr, uint32_t elt_num,
}
}
- return (size_t)paddr_idx << pg_shift;
+ return (size_t)iova_idx << pg_shift;
}
/* free a memchunk allocated with rte_memzone_reserve() */
@@ -344,8 +357,8 @@ rte_mempool_free_memchunks(struct rte_mempool *mp)
* on error.
*/
int
-rte_mempool_populate_phys(struct rte_mempool *mp, char *vaddr,
- phys_addr_t paddr, size_t len, rte_mempool_memchunk_free_cb_t *free_cb,
+rte_mempool_populate_iova(struct rte_mempool *mp, char *vaddr,
+ rte_iova_t iova, size_t len, rte_mempool_memchunk_free_cb_t *free_cb,
void *opaque)
{
unsigned total_elt_sz;
@@ -354,6 +367,11 @@ rte_mempool_populate_phys(struct rte_mempool *mp, char *vaddr,
struct rte_mempool_memhdr *memhdr;
int ret;
+ /* Notify memory area to mempool */
+ ret = rte_mempool_ops_register_memory_area(mp, vaddr, iova, len);
+ if (ret != -ENOTSUP && ret < 0)
+ return ret;
+
/* create the internal ring if not already done */
if ((mp->flags & MEMPOOL_F_POOL_CREATED) == 0) {
ret = rte_mempool_ops_alloc(mp);
@@ -368,29 +386,42 @@ rte_mempool_populate_phys(struct rte_mempool *mp, char *vaddr,
total_elt_sz = mp->header_size + mp->elt_size + mp->trailer_size;
+ /* Detect pool area has sufficient space for elements */
+ if (mp->flags & MEMPOOL_F_CAPA_PHYS_CONTIG) {
+ if (len < total_elt_sz * mp->size) {
+ RTE_LOG(ERR, MEMPOOL,
+ "pool area %" PRIx64 " not enough\n",
+ (uint64_t)len);
+ return -ENOSPC;
+ }
+ }
+
memhdr = rte_zmalloc("MEMPOOL_MEMHDR", sizeof(*memhdr), 0);
if (memhdr == NULL)
return -ENOMEM;
memhdr->mp = mp;
memhdr->addr = vaddr;
- memhdr->phys_addr = paddr;
+ memhdr->iova = iova;
memhdr->len = len;
memhdr->free_cb = free_cb;
memhdr->opaque = opaque;
- if (mp->flags & MEMPOOL_F_NO_CACHE_ALIGN)
+ if (mp->flags & MEMPOOL_F_CAPA_BLK_ALIGNED_OBJECTS)
+ /* align object start address to a multiple of total_elt_sz */
+ off = total_elt_sz - ((uintptr_t)vaddr % total_elt_sz);
+ else if (mp->flags & MEMPOOL_F_NO_CACHE_ALIGN)
off = RTE_PTR_ALIGN_CEIL(vaddr, 8) - vaddr;
else
off = RTE_PTR_ALIGN_CEIL(vaddr, RTE_CACHE_LINE_SIZE) - vaddr;
while (off + total_elt_sz <= len && mp->populated_size < mp->size) {
off += mp->header_size;
- if (paddr == RTE_BAD_PHYS_ADDR)
+ if (iova == RTE_BAD_IOVA)
mempool_add_elem(mp, (char *)vaddr + off,
- RTE_BAD_PHYS_ADDR);
+ RTE_BAD_IOVA);
else
- mempool_add_elem(mp, (char *)vaddr + off, paddr + off);
+ mempool_add_elem(mp, (char *)vaddr + off, iova + off);
off += mp->elt_size + mp->trailer_size;
i++;
}
@@ -404,12 +435,20 @@ rte_mempool_populate_phys(struct rte_mempool *mp, char *vaddr,
return i;
}
+int
+rte_mempool_populate_phys(struct rte_mempool *mp, char *vaddr,
+ phys_addr_t paddr, size_t len, rte_mempool_memchunk_free_cb_t *free_cb,
+ void *opaque)
+{
+ return rte_mempool_populate_iova(mp, vaddr, paddr, len, free_cb, opaque);
+}
+
/* Add objects in the pool, using a table of physical pages. Return the
* number of objects added, or a negative value on error.
*/
int
-rte_mempool_populate_phys_tab(struct rte_mempool *mp, char *vaddr,
- const phys_addr_t paddr[], uint32_t pg_num, uint32_t pg_shift,
+rte_mempool_populate_iova_tab(struct rte_mempool *mp, char *vaddr,
+ const rte_iova_t iova[], uint32_t pg_num, uint32_t pg_shift,
rte_mempool_memchunk_free_cb_t *free_cb, void *opaque)
{
uint32_t i, n;
@@ -421,18 +460,18 @@ rte_mempool_populate_phys_tab(struct rte_mempool *mp, char *vaddr,
return -EEXIST;
if (mp->flags & MEMPOOL_F_NO_PHYS_CONTIG)
- return rte_mempool_populate_phys(mp, vaddr, RTE_BAD_PHYS_ADDR,
+ return rte_mempool_populate_iova(mp, vaddr, RTE_BAD_IOVA,
pg_num * pg_sz, free_cb, opaque);
for (i = 0; i < pg_num && mp->populated_size < mp->size; i += n) {
/* populate with the largest group of contiguous pages */
for (n = 1; (i + n) < pg_num &&
- paddr[i + n - 1] + pg_sz == paddr[i + n]; n++)
+ iova[i + n - 1] + pg_sz == iova[i + n]; n++)
;
- ret = rte_mempool_populate_phys(mp, vaddr + i * pg_sz,
- paddr[i], n * pg_sz, free_cb, opaque);
+ ret = rte_mempool_populate_iova(mp, vaddr + i * pg_sz,
+ iova[i], n * pg_sz, free_cb, opaque);
if (ret < 0) {
rte_mempool_free_memchunks(mp);
return ret;
@@ -444,6 +483,15 @@ rte_mempool_populate_phys_tab(struct rte_mempool *mp, char *vaddr,
return cnt;
}
+int
+rte_mempool_populate_phys_tab(struct rte_mempool *mp, char *vaddr,
+ const phys_addr_t paddr[], uint32_t pg_num, uint32_t pg_shift,
+ rte_mempool_memchunk_free_cb_t *free_cb, void *opaque)
+{
+ return rte_mempool_populate_iova_tab(mp, vaddr, paddr, pg_num, pg_shift,
+ free_cb, opaque);
+}
+
/* Populate the mempool with a virtual area. Return the number of
* objects added, or a negative value on error.
*/
@@ -452,7 +500,7 @@ rte_mempool_populate_virt(struct rte_mempool *mp, char *addr,
size_t len, size_t pg_sz, rte_mempool_memchunk_free_cb_t *free_cb,
void *opaque)
{
- phys_addr_t paddr;
+ rte_iova_t iova;
size_t off, phys_len;
int ret, cnt = 0;
@@ -466,33 +514,30 @@ rte_mempool_populate_virt(struct rte_mempool *mp, char *addr,
return -EINVAL;
if (mp->flags & MEMPOOL_F_NO_PHYS_CONTIG)
- return rte_mempool_populate_phys(mp, addr, RTE_BAD_PHYS_ADDR,
+ return rte_mempool_populate_iova(mp, addr, RTE_BAD_IOVA,
len, free_cb, opaque);
for (off = 0; off + pg_sz <= len &&
mp->populated_size < mp->size; off += phys_len) {
- paddr = rte_mem_virt2phy(addr + off);
- /* required for xen_dom0 to get the machine address */
- paddr = rte_mem_phy2mch(-1, paddr);
+ iova = rte_mem_virt2iova(addr + off);
- if (paddr == RTE_BAD_PHYS_ADDR && rte_eal_has_hugepages()) {
+ if (iova == RTE_BAD_IOVA && rte_eal_has_hugepages()) {
ret = -EINVAL;
goto fail;
}
/* populate with the largest group of contiguous pages */
for (phys_len = pg_sz; off + phys_len < len; phys_len += pg_sz) {
- phys_addr_t paddr_tmp;
+ rte_iova_t iova_tmp;
- paddr_tmp = rte_mem_virt2phy(addr + off + phys_len);
- paddr_tmp = rte_mem_phy2mch(-1, paddr_tmp);
+ iova_tmp = rte_mem_virt2iova(addr + off + phys_len);
- if (paddr_tmp != paddr + phys_len)
+ if (iova_tmp != iova + phys_len)
break;
}
- ret = rte_mempool_populate_phys(mp, addr + off, paddr,
+ ret = rte_mempool_populate_iova(mp, addr + off, iova,
phys_len, free_cb, opaque);
if (ret < 0)
goto fail;
@@ -515,23 +560,29 @@ rte_mempool_populate_virt(struct rte_mempool *mp, char *addr,
int
rte_mempool_populate_default(struct rte_mempool *mp)
{
- int mz_flags = RTE_MEMZONE_1GB|RTE_MEMZONE_SIZE_HINT_ONLY;
+ unsigned int mz_flags = RTE_MEMZONE_1GB|RTE_MEMZONE_SIZE_HINT_ONLY;
char mz_name[RTE_MEMZONE_NAMESIZE];
const struct rte_memzone *mz;
size_t size, total_elt_sz, align, pg_sz, pg_shift;
- phys_addr_t paddr;
+ rte_iova_t iova;
unsigned mz_id, n;
+ unsigned int mp_flags;
int ret;
/* mempool must not be populated */
if (mp->nb_mem_chunks != 0)
return -EEXIST;
- if (rte_xen_dom0_supported()) {
- pg_sz = RTE_PGSIZE_2M;
- pg_shift = rte_bsf32(pg_sz);
- align = pg_sz;
- } else if (rte_eal_has_hugepages()) {
+ /* Get mempool capabilities */
+ mp_flags = 0;
+ ret = rte_mempool_ops_get_capabilities(mp, &mp_flags);
+ if ((ret < 0) && (ret != -ENOTSUP))
+ return ret;
+
+ /* update mempool capabilities */
+ mp->flags |= mp_flags;
+
+ if (rte_eal_has_hugepages()) {
pg_shift = 0; /* not needed, zone is physically contiguous */
pg_sz = 0;
align = RTE_CACHE_LINE_SIZE;
@@ -543,7 +594,8 @@ rte_mempool_populate_default(struct rte_mempool *mp)
total_elt_sz = mp->header_size + mp->elt_size + mp->trailer_size;
for (mz_id = 0, n = mp->size; n > 0; mz_id++, n -= ret) {
- size = rte_mempool_xmem_size(n, total_elt_sz, pg_shift);
+ size = rte_mempool_xmem_size(n, total_elt_sz, pg_shift,
+ mp->flags);
ret = snprintf(mz_name, sizeof(mz_name),
RTE_MEMPOOL_MZ_FORMAT "_%d", mp->name, mz_id);
@@ -564,13 +616,13 @@ rte_mempool_populate_default(struct rte_mempool *mp)
}
if (mp->flags & MEMPOOL_F_NO_PHYS_CONTIG)
- paddr = RTE_BAD_PHYS_ADDR;
+ iova = RTE_BAD_IOVA;
else
- paddr = mz->phys_addr;
+ iova = mz->iova;
- if (rte_eal_has_hugepages() && !rte_xen_dom0_supported())
- ret = rte_mempool_populate_phys(mp, mz->addr,
- paddr, mz->len,
+ if (rte_eal_has_hugepages())
+ ret = rte_mempool_populate_iova(mp, mz->addr,
+ iova, mz->len,
rte_mempool_memchunk_mz_free,
(void *)(uintptr_t)mz);
else
@@ -600,7 +652,8 @@ get_anon_size(const struct rte_mempool *mp)
pg_sz = getpagesize();
pg_shift = rte_bsf32(pg_sz);
total_elt_sz = mp->header_size + mp->elt_size + mp->trailer_size;
- size = rte_mempool_xmem_size(mp->size, total_elt_sz, pg_shift);
+ size = rte_mempool_xmem_size(mp->size, total_elt_sz, pg_shift,
+ mp->flags);
return size;
}
@@ -742,7 +795,7 @@ rte_mempool_create_empty(const char *name, unsigned n, unsigned elt_size,
struct rte_tailq_entry *te = NULL;
const struct rte_memzone *mz = NULL;
size_t mempool_size;
- int mz_flags = RTE_MEMZONE_1GB|RTE_MEMZONE_SIZE_HINT_ONLY;
+ unsigned int mz_flags = RTE_MEMZONE_1GB|RTE_MEMZONE_SIZE_HINT_ONLY;
struct rte_mempool_objsz objsz;
unsigned lcore_id;
int ret;
@@ -922,7 +975,7 @@ rte_mempool_xmem_create(const char *name, unsigned n, unsigned elt_size,
rte_mempool_ctor_t *mp_init, void *mp_init_arg,
rte_mempool_obj_cb_t *obj_init, void *obj_init_arg,
int socket_id, unsigned flags, void *vaddr,
- const phys_addr_t paddr[], uint32_t pg_num, uint32_t pg_shift)
+ const rte_iova_t iova[], uint32_t pg_num, uint32_t pg_shift)
{
struct rte_mempool *mp = NULL;
int ret;
@@ -934,7 +987,7 @@ rte_mempool_xmem_create(const char *name, unsigned n, unsigned elt_size,
obj_init, obj_init_arg, socket_id, flags);
/* check that we have both VA and PA */
- if (paddr == NULL) {
+ if (iova == NULL) {
rte_errno = EINVAL;
return NULL;
}
@@ -954,7 +1007,7 @@ rte_mempool_xmem_create(const char *name, unsigned n, unsigned elt_size,
if (mp_init)
mp_init(mp, mp_init_arg);
- ret = rte_mempool_populate_phys_tab(mp, vaddr, paddr, pg_num, pg_shift,
+ ret = rte_mempool_populate_iova_tab(mp, vaddr, iova, pg_num, pg_shift,
NULL, NULL);
if (ret < 0 || ret != (int)mp->size)
goto fail;
@@ -1177,7 +1230,7 @@ rte_mempool_dump(FILE *f, struct rte_mempool *mp)
fprintf(f, "mempool <%s>@%p\n", mp->name, mp);
fprintf(f, " flags=%x\n", mp->flags);
fprintf(f, " pool=%p\n", mp->pool_data);
- fprintf(f, " phys_addr=0x%" PRIx64 "\n", mp->mz->phys_addr);
+ fprintf(f, " iova=0x%" PRIx64 "\n", mp->mz->iova);
fprintf(f, " nb_mem_chunks=%u\n", mp->nb_mem_chunks);
fprintf(f, " size=%"PRIu32"\n", mp->size);
fprintf(f, " populated_size=%"PRIu32"\n", mp->populated_size);
diff --git a/lib/librte_mempool/rte_mempool.h b/lib/librte_mempool/rte_mempool.h
index 76b5b3b1..721227f6 100644
--- a/lib/librte_mempool/rte_mempool.h
+++ b/lib/librte_mempool/rte_mempool.h
@@ -157,7 +157,11 @@ struct rte_mempool_objsz {
struct rte_mempool_objhdr {
STAILQ_ENTRY(rte_mempool_objhdr) next; /**< Next in list. */
struct rte_mempool *mp; /**< The mempool owning the object. */
- phys_addr_t physaddr; /**< Physical address of the object. */
+ RTE_STD_C11
+ union {
+ rte_iova_t iova; /**< IO address of the object. */
+ phys_addr_t physaddr; /**< deprecated - Physical address of the object. */
+ };
#ifdef RTE_LIBRTE_MEMPOOL_DEBUG
uint64_t cookie; /**< Debug cookie. */
#endif
@@ -203,7 +207,11 @@ struct rte_mempool_memhdr {
STAILQ_ENTRY(rte_mempool_memhdr) next; /**< Next in list. */
struct rte_mempool *mp; /**< The mempool owning the chunk */
void *addr; /**< Virtual address of the chunk */
- phys_addr_t phys_addr; /**< Physical address of the chunk */
+ RTE_STD_C11
+ union {
+ rte_iova_t iova; /**< IO address of the chunk */
+ phys_addr_t phys_addr; /**< Physical address of the chunk */
+ };
size_t len; /**< length of the chunk */
rte_mempool_memchunk_free_cb_t *free_cb; /**< Free callback */
void *opaque; /**< Argument passed to the free callback */
@@ -226,7 +234,7 @@ struct rte_mempool {
};
void *pool_config; /**< optional args for ops alloc. */
const struct rte_memzone *mz; /**< Memzone where pool is alloc'd. */
- int flags; /**< Flags of the mempool. */
+ unsigned int flags; /**< Flags of the mempool. */
int socket_id; /**< Socket id passed at create. */
uint32_t size; /**< Max size of the mempool. */
uint32_t cache_size;
@@ -265,6 +273,24 @@ struct rte_mempool {
#define MEMPOOL_F_SC_GET 0x0008 /**< Default get is "single-consumer".*/
#define MEMPOOL_F_POOL_CREATED 0x0010 /**< Internal: pool is created. */
#define MEMPOOL_F_NO_PHYS_CONTIG 0x0020 /**< Don't need physically contiguous objs. */
+/**
+ * This capability flag is advertised by a mempool handler, if the whole
+ * memory area containing the objects must be physically contiguous.
+ * Note: This flag should not be passed by application.
+ */
+#define MEMPOOL_F_CAPA_PHYS_CONTIG 0x0040
+/**
+ * This capability flag is advertised by a mempool handler. Used for a case
+ * where mempool driver wants object start address(vaddr) aligned to block
+ * size(/ total element size).
+ *
+ * Note:
+ * - This flag should not be passed by application.
+ * Flag used for mempool driver only.
+ * - Mempool driver must also set MEMPOOL_F_CAPA_PHYS_CONTIG flag along with
+ * MEMPOOL_F_CAPA_BLK_ALIGNED_OBJECTS.
+ */
+#define MEMPOOL_F_CAPA_BLK_ALIGNED_OBJECTS 0x0080
/**
* @internal When debug is enabled, store some statistics.
@@ -389,6 +415,18 @@ typedef int (*rte_mempool_dequeue_t)(struct rte_mempool *mp,
*/
typedef unsigned (*rte_mempool_get_count)(const struct rte_mempool *mp);
+/**
+ * Get the mempool capabilities.
+ */
+typedef int (*rte_mempool_get_capabilities_t)(const struct rte_mempool *mp,
+ unsigned int *flags);
+
+/**
+ * Notify new memory area to mempool.
+ */
+typedef int (*rte_mempool_ops_register_memory_area_t)
+(const struct rte_mempool *mp, char *vaddr, rte_iova_t iova, size_t len);
+
/** Structure defining mempool operations structure */
struct rte_mempool_ops {
char name[RTE_MEMPOOL_OPS_NAMESIZE]; /**< Name of mempool ops struct. */
@@ -397,6 +435,14 @@ struct rte_mempool_ops {
rte_mempool_enqueue_t enqueue; /**< Enqueue an object. */
rte_mempool_dequeue_t dequeue; /**< Dequeue an object. */
rte_mempool_get_count get_count; /**< Get qty of available objs. */
+ /**
+ * Get the mempool capabilities
+ */
+ rte_mempool_get_capabilities_t get_capabilities;
+ /**
+ * Notify new memory area to mempool
+ */
+ rte_mempool_ops_register_memory_area_t register_memory_area;
} __rte_cache_aligned;
#define RTE_MEMPOOL_MAX_OPS_IDX 16 /**< Max registered ops structs */
@@ -509,6 +555,43 @@ unsigned
rte_mempool_ops_get_count(const struct rte_mempool *mp);
/**
+ * @internal wrapper for mempool_ops get_capabilities callback.
+ *
+ * @param mp [in]
+ * Pointer to the memory pool.
+ * @param flags [out]
+ * Pointer to the mempool flags.
+ * @return
+ * - 0: Success; The mempool driver has advertised his pool capabilities in
+ * flags param.
+ * - -ENOTSUP - doesn't support get_capabilities ops (valid case).
+ * - Otherwise, pool create fails.
+ */
+int
+rte_mempool_ops_get_capabilities(const struct rte_mempool *mp,
+ unsigned int *flags);
+/**
+ * @internal wrapper for mempool_ops register_memory_area callback.
+ * API to notify the mempool handler when a new memory area is added to pool.
+ *
+ * @param mp
+ * Pointer to the memory pool.
+ * @param vaddr
+ * Pointer to the buffer virtual address.
+ * @param iova
+ * Pointer to the buffer IO address.
+ * @param len
+ * Pool size.
+ * @return
+ * - 0: Success;
+ * - -ENOTSUP - doesn't support register_memory_area ops (valid error case).
+ * - Otherwise, rte_mempool_populate_phys fails thus pool create fails.
+ */
+int
+rte_mempool_ops_register_memory_area(const struct rte_mempool *mp,
+ char *vaddr, rte_iova_t iova, size_t len);
+
+/**
* @internal wrapper for mempool_ops free callback.
*
* @param mp
@@ -722,11 +805,10 @@ rte_mempool_create(const char *name, unsigned n, unsigned elt_size,
* @param vaddr
* Virtual address of the externally allocated memory buffer.
* Will be used to store mempool objects.
- * @param paddr
- * Array of physical addresses of the pages that comprises given memory
- * buffer.
+ * @param iova
+ * Array of IO addresses of the pages that comprises given memory buffer.
* @param pg_num
- * Number of elements in the paddr array.
+ * Number of elements in the iova array.
* @param pg_shift
* LOG2 of the physical pages size.
* @return
@@ -739,7 +821,7 @@ rte_mempool_xmem_create(const char *name, unsigned n, unsigned elt_size,
rte_mempool_ctor_t *mp_init, void *mp_init_arg,
rte_mempool_obj_cb_t *obj_init, void *obj_init_arg,
int socket_id, unsigned flags, void *vaddr,
- const phys_addr_t paddr[], uint32_t pg_num, uint32_t pg_shift);
+ const rte_iova_t iova[], uint32_t pg_num, uint32_t pg_shift);
/**
* Create an empty mempool
@@ -798,7 +880,7 @@ rte_mempool_free(struct rte_mempool *mp);
* Add a virtually and physically contiguous memory chunk in the pool
* where objects can be instantiated.
*
- * If the given physical address is unknown (paddr = RTE_BAD_PHYS_ADDR),
+ * If the given IO address is unknown (iova = RTE_BAD_IOVA),
* the chunk doesn't need to be physically contiguous (only virtually),
* and allocated objects may span two pages.
*
@@ -806,8 +888,8 @@ rte_mempool_free(struct rte_mempool *mp);
* A pointer to the mempool structure.
* @param vaddr
* The virtual address of memory that should be used to store objects.
- * @param paddr
- * The physical address
+ * @param iova
+ * The IO address
* @param len
* The length of memory in bytes.
* @param free_cb
@@ -819,6 +901,11 @@ rte_mempool_free(struct rte_mempool *mp);
* On error, the chunk is not added in the memory list of the
* mempool and a negative errno is returned.
*/
+int rte_mempool_populate_iova(struct rte_mempool *mp, char *vaddr,
+ rte_iova_t iova, size_t len, rte_mempool_memchunk_free_cb_t *free_cb,
+ void *opaque);
+
+__rte_deprecated
int rte_mempool_populate_phys(struct rte_mempool *mp, char *vaddr,
phys_addr_t paddr, size_t len, rte_mempool_memchunk_free_cb_t *free_cb,
void *opaque);
@@ -827,18 +914,17 @@ int rte_mempool_populate_phys(struct rte_mempool *mp, char *vaddr,
* Add physical memory for objects in the pool at init
*
* Add a virtually contiguous memory chunk in the pool where objects can
- * be instantiated. The physical addresses corresponding to the virtual
- * area are described in paddr[], pg_num, pg_shift.
+ * be instantiated. The IO addresses corresponding to the virtual
+ * area are described in iova[], pg_num, pg_shift.
*
* @param mp
* A pointer to the mempool structure.
* @param vaddr
* The virtual address of memory that should be used to store objects.
- * @param paddr
- * An array of physical addresses of each page composing the virtual
- * area.
+ * @param iova
+ * An array of IO addresses of each page composing the virtual area.
* @param pg_num
- * Number of elements in the paddr array.
+ * Number of elements in the iova array.
* @param pg_shift
* LOG2 of the physical pages size.
* @param free_cb
@@ -850,6 +936,11 @@ int rte_mempool_populate_phys(struct rte_mempool *mp, char *vaddr,
* On error, the chunks are not added in the memory list of the
* mempool and a negative errno is returned.
*/
+int rte_mempool_populate_iova_tab(struct rte_mempool *mp, char *vaddr,
+ const rte_iova_t iova[], uint32_t pg_num, uint32_t pg_shift,
+ rte_mempool_memchunk_free_cb_t *free_cb, void *opaque);
+
+__rte_deprecated
int rte_mempool_populate_phys_tab(struct rte_mempool *mp, char *vaddr,
const phys_addr_t paddr[], uint32_t pg_num, uint32_t pg_shift,
rte_mempool_memchunk_free_cb_t *free_cb, void *opaque);
@@ -1034,13 +1125,10 @@ rte_mempool_default_cache(struct rte_mempool *mp, unsigned lcore_id)
* positive.
* @param cache
* A pointer to a mempool cache structure. May be NULL if not needed.
- * @param flags
- * The flags used for the mempool creation.
- * Single-producer (MEMPOOL_F_SP_PUT flag) or multi-producers.
*/
static __rte_always_inline void
__mempool_generic_put(struct rte_mempool *mp, void * const *obj_table,
- unsigned n, struct rte_mempool_cache *cache)
+ unsigned int n, struct rte_mempool_cache *cache)
{
void **cache_objs;
@@ -1096,14 +1184,10 @@ ring_enqueue:
* The number of objects to add in the mempool from the obj_table.
* @param cache
* A pointer to a mempool cache structure. May be NULL if not needed.
- * @param flags
- * The flags used for the mempool creation.
- * Single-producer (MEMPOOL_F_SP_PUT flag) or multi-producers.
*/
static __rte_always_inline void
rte_mempool_generic_put(struct rte_mempool *mp, void * const *obj_table,
- unsigned n, struct rte_mempool_cache *cache,
- __rte_unused int flags)
+ unsigned int n, struct rte_mempool_cache *cache)
{
__mempool_check_cookies(mp, obj_table, n, 0);
__mempool_generic_put(mp, obj_table, n, cache);
@@ -1125,11 +1209,11 @@ rte_mempool_generic_put(struct rte_mempool *mp, void * const *obj_table,
*/
static __rte_always_inline void
rte_mempool_put_bulk(struct rte_mempool *mp, void * const *obj_table,
- unsigned n)
+ unsigned int n)
{
struct rte_mempool_cache *cache;
cache = rte_mempool_default_cache(mp, rte_lcore_id());
- rte_mempool_generic_put(mp, obj_table, n, cache, mp->flags);
+ rte_mempool_generic_put(mp, obj_table, n, cache);
}
/**
@@ -1160,16 +1244,13 @@ rte_mempool_put(struct rte_mempool *mp, void *obj)
* The number of objects to get, must be strictly positive.
* @param cache
* A pointer to a mempool cache structure. May be NULL if not needed.
- * @param flags
- * The flags used for the mempool creation.
- * Single-consumer (MEMPOOL_F_SC_GET flag) or multi-consumers.
* @return
* - >=0: Success; number of objects supplied.
* - <0: Error; code of ring dequeue function.
*/
static __rte_always_inline int
__mempool_generic_get(struct rte_mempool *mp, void **obj_table,
- unsigned n, struct rte_mempool_cache *cache)
+ unsigned int n, struct rte_mempool_cache *cache)
{
int ret;
uint32_t index, len;
@@ -1241,16 +1322,13 @@ ring_dequeue:
* The number of objects to get from mempool to obj_table.
* @param cache
* A pointer to a mempool cache structure. May be NULL if not needed.
- * @param flags
- * The flags used for the mempool creation.
- * Single-consumer (MEMPOOL_F_SC_GET flag) or multi-consumers.
* @return
* - 0: Success; objects taken.
* - -ENOENT: Not enough entries in the mempool; no object is retrieved.
*/
static __rte_always_inline int
-rte_mempool_generic_get(struct rte_mempool *mp, void **obj_table, unsigned n,
- struct rte_mempool_cache *cache, __rte_unused int flags)
+rte_mempool_generic_get(struct rte_mempool *mp, void **obj_table,
+ unsigned int n, struct rte_mempool_cache *cache)
{
int ret;
ret = __mempool_generic_get(mp, obj_table, n, cache);
@@ -1282,11 +1360,11 @@ rte_mempool_generic_get(struct rte_mempool *mp, void **obj_table, unsigned n,
* - -ENOENT: Not enough entries in the mempool; no object is retrieved.
*/
static __rte_always_inline int
-rte_mempool_get_bulk(struct rte_mempool *mp, void **obj_table, unsigned n)
+rte_mempool_get_bulk(struct rte_mempool *mp, void **obj_table, unsigned int n)
{
struct rte_mempool_cache *cache;
cache = rte_mempool_default_cache(mp, rte_lcore_id());
- return rte_mempool_generic_get(mp, obj_table, n, cache, mp->flags);
+ return rte_mempool_generic_get(mp, obj_table, n, cache);
}
/**
@@ -1383,24 +1461,29 @@ rte_mempool_empty(const struct rte_mempool *mp)
}
/**
- * Return the physical address of elt, which is an element of the pool mp.
+ * Return the IO address of elt, which is an element of the pool mp.
*
- * @param mp
- * A pointer to the mempool structure.
* @param elt
* A pointer (virtual address) to the element of the pool.
* @return
- * The physical address of the elt element.
+ * The IO address of the elt element.
* If the mempool was created with MEMPOOL_F_NO_PHYS_CONTIG, the
- * returned value is RTE_BAD_PHYS_ADDR.
+ * returned value is RTE_BAD_IOVA.
*/
-static inline phys_addr_t
-rte_mempool_virt2phy(__rte_unused const struct rte_mempool *mp, const void *elt)
+static inline rte_iova_t
+rte_mempool_virt2iova(const void *elt)
{
const struct rte_mempool_objhdr *hdr;
hdr = (const struct rte_mempool_objhdr *)RTE_PTR_SUB(elt,
sizeof(*hdr));
- return hdr->physaddr;
+ return hdr->iova;
+}
+
+__rte_deprecated
+static inline phys_addr_t
+rte_mempool_virt2phy(__rte_unused const struct rte_mempool *mp, const void *elt)
+{
+ return rte_mempool_virt2iova(elt);
}
/**
@@ -1489,11 +1572,13 @@ uint32_t rte_mempool_calc_obj_size(uint32_t elt_size, uint32_t flags,
* by rte_mempool_calc_obj_size().
* @param pg_shift
* LOG2 of the physical pages size. If set to 0, ignore page boundaries.
+ * @param flags
+ * The mempool flags.
* @return
* Required memory size aligned at page boundary.
*/
size_t rte_mempool_xmem_size(uint32_t elt_num, size_t total_elt_sz,
- uint32_t pg_shift);
+ uint32_t pg_shift, unsigned int flags);
/**
* Get the size of memory required to store mempool elements.
@@ -1509,13 +1594,14 @@ size_t rte_mempool_xmem_size(uint32_t elt_num, size_t total_elt_sz,
* @param total_elt_sz
* The size of each element, including header and trailer, as returned
* by rte_mempool_calc_obj_size().
- * @param paddr
- * Array of physical addresses of the pages that comprises given memory
- * buffer.
+ * @param iova
+ * Array of IO addresses of the pages that comprises given memory buffer.
* @param pg_num
- * Number of elements in the paddr array.
+ * Number of elements in the iova array.
* @param pg_shift
* LOG2 of the physical pages size.
+ * @param flags
+ * The mempool flags.
* @return
* On success, the number of bytes needed to store given number of
* objects, aligned to the given page size. If the provided memory
@@ -1523,8 +1609,8 @@ size_t rte_mempool_xmem_size(uint32_t elt_num, size_t total_elt_sz,
* is the actual number of elements that can be stored in that buffer.
*/
ssize_t rte_mempool_xmem_usage(void *vaddr, uint32_t elt_num,
- size_t total_elt_sz, const phys_addr_t paddr[], uint32_t pg_num,
- uint32_t pg_shift);
+ size_t total_elt_sz, const rte_iova_t iova[], uint32_t pg_num,
+ uint32_t pg_shift, unsigned int flags);
/**
* Walk list of all memory pools
diff --git a/lib/librte_mempool/rte_mempool_ops.c b/lib/librte_mempool/rte_mempool_ops.c
index 5f24de25..92b9f90c 100644
--- a/lib/librte_mempool/rte_mempool_ops.c
+++ b/lib/librte_mempool/rte_mempool_ops.c
@@ -37,6 +37,7 @@
#include <rte_mempool.h>
#include <rte_errno.h>
+#include <rte_dev.h>
/* indirect jump table to support external memory pools. */
struct rte_mempool_ops_table rte_mempool_ops_table = {
@@ -85,6 +86,8 @@ rte_mempool_register_ops(const struct rte_mempool_ops *h)
ops->enqueue = h->enqueue;
ops->dequeue = h->dequeue;
ops->get_count = h->get_count;
+ ops->get_capabilities = h->get_capabilities;
+ ops->register_memory_area = h->register_memory_area;
rte_spinlock_unlock(&rte_mempool_ops_table.sl);
@@ -123,6 +126,32 @@ rte_mempool_ops_get_count(const struct rte_mempool *mp)
return ops->get_count(mp);
}
+/* wrapper to get external mempool capabilities. */
+int
+rte_mempool_ops_get_capabilities(const struct rte_mempool *mp,
+ unsigned int *flags)
+{
+ struct rte_mempool_ops *ops;
+
+ ops = rte_mempool_get_ops(mp->ops_index);
+
+ RTE_FUNC_PTR_OR_ERR_RET(ops->get_capabilities, -ENOTSUP);
+ return ops->get_capabilities(mp, flags);
+}
+
+/* wrapper to notify new memory area to external mempool */
+int
+rte_mempool_ops_register_memory_area(const struct rte_mempool *mp, char *vaddr,
+ rte_iova_t iova, size_t len)
+{
+ struct rte_mempool_ops *ops;
+
+ ops = rte_mempool_get_ops(mp->ops_index);
+
+ RTE_FUNC_PTR_OR_ERR_RET(ops->register_memory_area, -ENOTSUP);
+ return ops->register_memory_area(mp, vaddr, iova, len);
+}
+
/* sets mempool ops previously registered by rte_mempool_register_ops. */
int
rte_mempool_set_ops_byname(struct rte_mempool *mp, const char *name,
diff --git a/lib/librte_mempool/rte_mempool_version.map b/lib/librte_mempool/rte_mempool_version.map
index f9c07944..62b76f91 100644
--- a/lib/librte_mempool/rte_mempool_version.map
+++ b/lib/librte_mempool/rte_mempool_version.map
@@ -41,3 +41,13 @@ DPDK_16.07 {
rte_mempool_set_ops_byname;
} DPDK_2.0;
+
+DPDK_17.11 {
+ global:
+
+ rte_mempool_ops_get_capabilities;
+ rte_mempool_ops_register_memory_area;
+ rte_mempool_populate_iova;
+ rte_mempool_populate_iova_tab;
+
+} DPDK_16.07;