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IB/uverbs: Return actual capacity from create SRQ operation

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Pass actual capacity of created SRQ back to userspace, so that
userspace can report accurate capacities.  This requires an ABI bump,
to change struct ib_uverbs_create_srq_resp.

Signed-off-by: Dotan Barak <dotanb@mellanox.co.il>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
This commit is contained in:
Dotan Barak 2006-02-23 12:36:18 -08:00 committed by Roland Dreier
parent abb6e9ba17
commit ea88fd16d6
2 changed files with 6 additions and 1 deletions
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2
drivers/infiniband/core/uverbs_cmd.c
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@ -1864,6 +1864,8 @@ ssize_t ib_uverbs_create_srq(struct ib_uverbs_file *file,
goto err_destroy;
resp.srq_handle = uobj->uobject.id;
resp.max_wr = attr.attr.max_wr;
resp.max_sge = attr.attr.max_sge;
if (copy_to_user((void __user *) (unsigned long) cmd.response,
&resp, sizeof resp)) {

5
include/rdma/ib_user_verbs.h
View File

@ -44,7 +44,7 @@
* Increment this value if any changes that break userspace ABI
* compatibility are made.
*/
#define IB_USER_VERBS_ABI_VERSION 5
#define IB_USER_VERBS_ABI_VERSION 6
enum {
IB_USER_VERBS_CMD_GET_CONTEXT,
@ -605,6 +605,9 @@ struct ib_uverbs_create_srq {
struct ib_uverbs_create_srq_resp {
__u32 srq_handle;
__u32 max_wr;
__u32 max_sge;
__u32 reserved;
};
struct ib_uverbs_modify_srq {