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From: Andrew Rybchenko <arybchenko@solarflare.com>
To: <dev@dpdk.org>
CC: Olivier MATZ <olivier.matz@6wind.com>
Date: Sun, 25 Mar 2018 17:20:46 +0100
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Subject: [dpdk-dev] [PATCH v2 02/11] mempool: rename flag to control
IOVA-contiguous objects
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Flag MEMPOOL_F_NO_PHYS_CONTIG is renamed as MEMPOOL_F_NO_IOVA_CONTIG
to follow IO memory contiguos terminology.
MEMPOOL_F_NO_PHYS_CONTIG is kept for backward compatibility and
deprecated.
Suggested-by: Olivier Matz <olivier.matz@6wind.com>
Signed-off-by: Andrew Rybchenko <arybchenko@solarflare.com>
---
v1 -> v2:
- added in v2 as discussed in [1]
[1] https://dpdk.org/ml/archives/dev/2018-March/093345.html
drivers/net/thunderx/nicvf_ethdev.c | 2 +-
lib/librte_mempool/rte_mempool.c | 6 +++---
lib/librte_mempool/rte_mempool.h | 9 +++++----
3 files changed, 9 insertions(+), 8 deletions(-)
diff --git a/drivers/net/thunderx/nicvf_ethdev.c b/drivers/net/thunderx/nicvf_ethdev.c
index 067f224..f3be744 100644
--- a/drivers/net/thunderx/nicvf_ethdev.c
+++ b/drivers/net/thunderx/nicvf_ethdev.c
@@ -1308,7 +1308,7 @@ nicvf_dev_rx_queue_setup(struct rte_eth_dev *dev, uint16_t qidx,
}
/* Mempool memory must be physically contiguous */
- if (mp->flags & MEMPOOL_F_NO_PHYS_CONTIG) {
+ if (mp->flags & MEMPOOL_F_NO_IOVA_CONTIG) {
PMD_INIT_LOG(ERR, "Mempool memory must be physically contiguous");
return -EINVAL;
}
diff --git a/lib/librte_mempool/rte_mempool.c b/lib/librte_mempool/rte_mempool.c
index 80bf941..6ffa795 100644
--- a/lib/librte_mempool/rte_mempool.c
+++ b/lib/librte_mempool/rte_mempool.c
@@ -446,7 +446,7 @@ rte_mempool_populate_iova_tab(struct rte_mempool *mp, char *vaddr,
if (mp->nb_mem_chunks != 0)
return -EEXIST;
- if (mp->flags & MEMPOOL_F_NO_PHYS_CONTIG)
+ if (mp->flags & MEMPOOL_F_NO_IOVA_CONTIG)
return rte_mempool_populate_iova(mp, vaddr, RTE_BAD_IOVA,
pg_num * pg_sz, free_cb, opaque);
@@ -500,7 +500,7 @@ rte_mempool_populate_virt(struct rte_mempool *mp, char *addr,
if (RTE_ALIGN_CEIL(len, pg_sz) != len)
return -EINVAL;
- if (mp->flags & MEMPOOL_F_NO_PHYS_CONTIG)
+ if (mp->flags & MEMPOOL_F_NO_IOVA_CONTIG)
return rte_mempool_populate_iova(mp, addr, RTE_BAD_IOVA,
len, free_cb, opaque);
@@ -602,7 +602,7 @@ rte_mempool_populate_default(struct rte_mempool *mp)
goto fail;
}
- if (mp->flags & MEMPOOL_F_NO_PHYS_CONTIG)
+ if (mp->flags & MEMPOOL_F_NO_IOVA_CONTIG)
iova = RTE_BAD_IOVA;
else
iova = mz->iova;
diff --git a/lib/librte_mempool/rte_mempool.h b/lib/librte_mempool/rte_mempool.h
index 8b1b7f7..e531a15 100644
--- a/lib/librte_mempool/rte_mempool.h
+++ b/lib/librte_mempool/rte_mempool.h
@@ -244,7 +244,8 @@ struct rte_mempool {
#define MEMPOOL_F_SP_PUT 0x0004 /**< Default put is "single-producer".*/
#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. */
+#define MEMPOOL_F_NO_IOVA_CONTIG 0x0020 /**< Don't need IOVA contiguous objs. */
+#define MEMPOOL_F_NO_PHYS_CONTIG MEMPOOL_F_NO_IOVA_CONTIG /* deprecated */
/**
* This capability flag is advertised by a mempool handler, if the whole
* memory area containing the objects must be physically contiguous.
@@ -710,8 +711,8 @@ typedef void (rte_mempool_ctor_t)(struct rte_mempool *, void *);
* - MEMPOOL_F_SC_GET: If this flag is set, the default behavior
* when using rte_mempool_get() or rte_mempool_get_bulk() is
* "single-consumer". Otherwise, it is "multi-consumers".
- * - MEMPOOL_F_NO_PHYS_CONTIG: If set, allocated objects won't
- * necessarily be contiguous in physical memory.
+ * - MEMPOOL_F_NO_IOVA_CONTIG: If set, allocated objects won't
+ * necessarily be contiguous in IO memory.
* @return
* The pointer to the new allocated mempool, on success. NULL on error
* with rte_errno set appropriately. Possible rte_errno values include:
@@ -1439,7 +1440,7 @@ rte_mempool_empty(const struct rte_mempool *mp)
* A pointer (virtual address) to the element of the pool.
* @return
* The IO address of the elt element.
- * If the mempool was created with MEMPOOL_F_NO_PHYS_CONTIG, the
+ * If the mempool was created with MEMPOOL_F_NO_IOVA_CONTIG, the
* returned value is RTE_BAD_IOVA.
*/
static inline rte_iova_t
--
2.7.4