diff options
| author |   Hiatt, Don <don.hiatt@intel.com> | 2017-06-08 13:37:49 -0400 |
|---|---|---|
| committer |   Doug Ledford <dledford@redhat.com> | 2017-08-08 14:50:25 -0400 |
| commit | 7db20ecd1d9700e2c240dee505162eb56ab55b5b (patch) | |
| tree | 0e4d235e6c552bb8f9c708503d9aba0a102a7b93 /drivers/infiniband/core/uverbs_cmd.c | |
| parent | IB/core: Change port_attr.sm_lid from 16 to 32 bits (diff) | |
| download | linux-dev-7db20ecd1d9700e2c240dee505162eb56ab55b5b.tar.xz linux-dev-7db20ecd1d9700e2c240dee505162eb56ab55b5b.zip | |
IB/core: Change wc.slid from 16 to 32 bits
slid field in struct ib_wc is increased to 32 bits.
This enables core components to use larger LIDs if needed.
The user ABI is unchanged and return 16 bit values when queried.
Signed-off-by: Dasaratharaman Chandramouli <dasaratharaman.chandramouli@intel.com>
Reviewed-by: Ira Weiny <ira.weiny@intel.com>
Signed-off-by: Don Hiatt <don.hiatt@intel.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
Diffstat (limited to 'drivers/infiniband/core/uverbs_cmd.c')
| -rw-r--r-- | drivers/infiniband/core/uverbs_cmd.c | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/drivers/infiniband/core/uverbs_cmd.c b/drivers/infiniband/core/uverbs_cmd.c index 01e2ff023980..eb0da3784bf4 100644 --- a/drivers/infiniband/core/uverbs_cmd.c +++ b/drivers/infiniband/core/uverbs_cmd.c @@ -1190,7 +1190,8 @@ out: return ret ? ret : in_len; } -static int copy_wc_to_user(void __user *dest, struct ib_wc *wc) +static int copy_wc_to_user(struct ib_device *ib_dev, void __user *dest, + struct ib_wc *wc) { struct ib_uverbs_wc tmp; @@ -1204,7 +1205,10 @@ static int copy_wc_to_user(void __user *dest, struct ib_wc *wc) tmp.src_qp = wc->src_qp; tmp.wc_flags = wc->wc_flags; tmp.pkey_index = wc->pkey_index; - tmp.slid = wc->slid; + if (rdma_cap_opa_ah(ib_dev, wc->port_num)) + tmp.slid = OPA_TO_IB_UCAST_LID(wc->slid); + else + tmp.slid = ib_slid_cpu16(wc->slid); tmp.sl = wc->sl; tmp.dlid_path_bits = wc->dlid_path_bits; tmp.port_num = wc->port_num; @@ -1248,7 +1252,7 @@ ssize_t ib_uverbs_poll_cq(struct ib_uverbs_file *file, if (!ret) break; - ret = copy_wc_to_user(data_ptr, &wc); + ret = copy_wc_to_user(ib_dev, data_ptr, &wc); if (ret) goto out_put; |