Signed-off-by: Goldwyn Rodrigues <[email protected]>
---
drivers/infiniband/core/cache.c | 54 +++++++++++++++++++++++++++++++++++++++
include/rdma/ib_cache.h | 25 ++++++++++++++++++
2 files changed, 79 insertions(+), 0 deletions(-)
diff --git a/drivers/infiniband/core/cache.c b/drivers/infiniband/core/cache.c
index f6d0830..8c99788 100644
--- a/drivers/infiniband/core/cache.c
+++ b/drivers/infiniband/core/cache.c
@@ -206,6 +206,60 @@ int ib_find_cached_pkey(struct ib_cache *cache,
}
EXPORT_SYMBOL(ib_find_cached_pkey);
+int ib_update_cached_pkey(struct ib_cache *cache,
+ u8 port_num,
+ int index,
+ u16 pkey)
+{
+ struct ib_pkey_cache *pc;
+ unsigned long flags;
+ int ret = 0;
+
+ if (port_num < cache->start_port || port_num > cache->end_port)
+ return -EINVAL;
+
+ write_lock_irqsave(&cache->lock, flags);
+
+ pc = cache->pkey_cache[port_num - cache->start_port];
+
+ if (index < 0 || index >= pc->table_len)
+ ret = -EINVAL;
+ else
+ pc->table[index] = pkey;
+
+ write_unlock_irqrestore(&cache->lock, flags);
+
+ return ret;
+}
+EXPORT_SYMBOL(ib_update_cached_pkey);
+
+int ib_update_cached_gid(struct ib_cache *cache,
+ u8 port_num,
+ int index,
+ union ib_gid gid)
+{
+ struct ib_gid_cache *gc;
+ unsigned long flags;
+ int ret = 0;
+
+ if (port_num < cache->start_port || port_num > cache->end_port)
+ return -EINVAL;
+
+ write_lock_irqsave(&cache->lock, flags);
+
+ gc = cache->gid_cache[port_num - cache->start_port];
+
+ if (index < 0 || index >= gc->table_len)
+ ret = -EINVAL;
+ else
+ gc->table[index] = gid;
+
+ write_unlock_irqrestore(&cache->lock, flags);
+
+ return ret;
+}
+EXPORT_SYMBOL(ib_update_cached_gid);
+
static void ib_cache_update(struct ib_device *device,
u8 port)
{
diff --git a/include/rdma/ib_cache.h b/include/rdma/ib_cache.h
index 8af9d07..4dd91dc 100644
--- a/include/rdma/ib_cache.h
+++ b/include/rdma/ib_cache.h
@@ -100,4 +100,29 @@ int ib_find_cached_pkey(struct ib_cache *cache,
u16 pkey,
u16 *index);
+
+/**
+ * ib_update_cached_pkey - updates the cache with the value specified
+ * @cache: The cache to query
+ * @port_num: The port number of the device
+ * @index: The index into the cached PKey table
+ * @pkey: The PKey value to be set
+ */
+int ib_update_cached_pkey(struct ib_cache *cache,
+ u8 port_num,
+ int index,
+ u16 pkey);
+
+/**
+ * ib_update_cached_gid - updates the cache with the gid
+ * @cache: The cache to query
+ * @port_num: The port number of the device
+ * @index: The index into the cached PKey table
+ * @gid: The gid value to be set
+ */
+int ib_update_cached_gid(struct ib_cache *cach,
+ u8 port_num,
+ int index,
+ union ib_gid gid);
+
#endif /* _IB_CACHE_H */
--
1.7.6
--
Goldwyn
--
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