diff options
Diffstat (limited to 'drivers/infiniband/hw/mthca/mthca_memfree.c')
| -rw-r--r-- | drivers/infiniband/hw/mthca/mthca_memfree.c | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/drivers/infiniband/hw/mthca/mthca_memfree.c b/drivers/infiniband/hw/mthca/mthca_memfree.c index 7730b596061..a70a1c712b4 100644 --- a/drivers/infiniband/hw/mthca/mthca_memfree.c +++ b/drivers/infiniband/hw/mthca/mthca_memfree.c @@ -192,6 +192,38 @@ void mthca_table_put(struct mthca_dev *dev, struct mthca_icm_table *table, int o up(&table->mutex); } +int mthca_table_get_range(struct mthca_dev *dev, struct mthca_icm_table *table, + int start, int end) +{ + int inc = MTHCA_TABLE_CHUNK_SIZE / table->obj_size; + int i, err; + + for (i = start; i <= end; i += inc) { + err = mthca_table_get(dev, table, i); + if (err) + goto fail; + } + + return 0; + +fail: + while (i > start) { + i -= inc; + mthca_table_put(dev, table, i); + } + + return err; +} + +void mthca_table_put_range(struct mthca_dev *dev, struct mthca_icm_table *table, + int start, int end) +{ + int i; + + for (i = start; i <= end; i += MTHCA_TABLE_CHUNK_SIZE / table->obj_size) + mthca_table_put(dev, table, i); +} + struct mthca_icm_table *mthca_alloc_icm_table(struct mthca_dev *dev, u64 virt, int obj_size, int nobj, int reserved, |