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
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 */
};
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;
#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.
*/
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. */
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 */
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 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
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
* 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.
*
* 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
* 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);
* 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
* 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);
* 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;
* 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);
*/
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);
}
/**
* 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;
* 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);
* - -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);
}
/**
}
/**
- * 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);
}
/**
* 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.
* @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
* 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
Code Review / deb_dpdk.git / blobdiff