Minki/linux
1
0
Fork 1
mirror of https://github.com/torvalds/linux.git synced 2024-11-05 11:32:04 +00:00
Code Issues Packages Projects Releases Wiki Activity

IB/rdmavt: Add query gid support.

Browse Source 
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>
This commit is contained in:
Dennis Dalessandro 2016-02-03 14:15:11 -08:00 committed by Doug Ledford
parent f1badc7163
commit 1f024992ef
2 changed files with 16 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

17
drivers/infiniband/sw/rdmavt/vt.c
View File

@ -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 {

2
include/rdma/rdma_vt.h
View File

@ -248,6 +248,8 @@ struct rvt_driver_provided {
u32 (*mtu_from_qp)(struct rvt_dev_info *rdi, struct rvt_qp *qp,
u32 pmtu);
int (*mtu_to_path_mtu)(u32 mtu);
int (*get_guid_be)(struct rvt_dev_info *rdi, struct rvt_ibport *rvp,
int guid_index, __be64 *guid);
/*--------------------*/
/* Optional functions */