From: Israel Rukshin <israelr@xxxxxxxxxxxx>
If the device support arbitrary sg list mapping (device cap
IB_DEVICE_SG_GAPS_REG set) we allocate the memory regions with
IB_MR_TYPE_SG_GAPS.
Signed-off-by: Israel Rukshin <israelr@xxxxxxxxxxxx>
Signed-off-by: Max Gurtovoy <maxg@xxxxxxxxxxxx>
---
drivers/infiniband/ulp/srp/ib_srp.c | 9 +++++++--
1 file changed, 7 insertions(+), 2 deletions(-)
diff --git a/drivers/infiniband/ulp/srp/ib_srp.c b/drivers/infiniband/ulp/srp/ib_srp.c
index 8ddc071..0f67cf9 100644
--- a/drivers/infiniband/ulp/srp/ib_srp.c
+++ b/drivers/infiniband/ulp/srp/ib_srp.c
@@ -371,6 +371,7 @@ static struct srp_fr_pool *srp_create_fr_pool(struct ib_device *device,
struct srp_fr_desc *d;
struct ib_mr *mr;
int i, ret = -EINVAL;
+ enum ib_mr_type mr_type;
if (pool_size <= 0)
goto err;
@@ -384,9 +385,13 @@ static struct srp_fr_pool *srp_create_fr_pool(struct ib_device *device,
spin_lock_init(&pool->lock);
INIT_LIST_HEAD(&pool->free_list);
+ if (device->attrs.device_cap_flags & IB_DEVICE_SG_GAPS_REG)
+ mr_type = IB_MR_TYPE_SG_GAPS;
+ else
+ mr_type = IB_MR_TYPE_MEM_REG;
+
for (i = 0, d = &pool->desc[0]; i < pool->size; i++, d++) {
- mr = ib_alloc_mr(pd, IB_MR_TYPE_MEM_REG,
- max_page_list_len);
+ mr = ib_alloc_mr(pd, mr_type, max_page_list_len);
if (IS_ERR(mr)) {
ret = PTR_ERR(mr);
if (ret == -ENOMEM)
--
1.8.4.3
--
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