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authorDennis Dalessandro <dennis.dalessandro@intel.com>2016-02-04 01:15:11 +0300
committerDoug Ledford <dledford@redhat.com>2016-03-11 04:37:32 +0300
commit1f024992ef05d1eb9b3a0becd1611ecfa21854a6 (patch)
tree74c5dcc992c00e471ee3c5298b503d834b9d40be /drivers/infiniband
parentf1badc716349cc2ac6e55ad50dcff598ef97bad5 (diff)
downloadlinux-1f024992ef05d1eb9b3a0becd1611ecfa21854a6.tar.xz
IB/rdmavt: Add query gid support.
Addin query gid support. Rdmavt still relies on the driver to maintain the gid table. Rdmavt simply calls into the driver to retrive the guid for a particular port. Reviewed-by: Harish Chegondi <harish.chegondi@intel.com> Signed-off-by: Dennis Dalessandro <dennis.dalessandro@intel.com> Signed-off-by: Doug Ledford <dledford@redhat.com>
Diffstat (limited to 'drivers/infiniband')
-rw-r--r--drivers/infiniband/sw/rdmavt/vt.c17
1 files changed, 14 insertions, 3 deletions
diff --git a/drivers/infiniband/sw/rdmavt/vt.c b/drivers/infiniband/sw/rdmavt/vt.c
index 9f9cb9ab170b..e017117586af 100644
--- a/drivers/infiniband/sw/rdmavt/vt.c
+++ b/drivers/infiniband/sw/rdmavt/vt.c
@@ -210,17 +210,28 @@ static int rvt_query_pkey(struct ib_device *ibdev, u8 port_num, u16 index,
* Returns 0 on success
*/
static int rvt_query_gid(struct ib_device *ibdev, u8 port_num,
- int index, union ib_gid *gid)
+ int guid_index, union ib_gid *gid)
{
+ struct rvt_dev_info *rdi;
+ struct rvt_ibport *rvp;
+ int port_index;
+
/*
* Driver is responsible for updating the guid table. Which will be used
* to craft the return value. This will work similar to how query_pkey()
* is being done.
*/
- if (ibport_num_to_idx(ibdev, port_num) < 0)
+ port_index = ibport_num_to_idx(ibdev, port_num);
+ if (port_index < 0)
return -EINVAL;
- return -EOPNOTSUPP;
+ rdi = ib_to_rvt(ibdev);
+ rvp = rdi->ports[port_index];
+
+ gid->global.subnet_prefix = rvp->gid_prefix;
+
+ return rdi->driver_f.get_guid_be(rdi, rvp, guid_index,
+ &gid->global.interface_id);
}
struct rvt_ucontext {