diff options
| author |   Hariprasad S <hariprasad@chelsio.com> | 2015-06-09 18:23:11 +0530 |
|---|---|---|
| committer |   Doug Ledford <dledford@redhat.com> | 2015-06-11 12:22:21 -0400 |
| commit | 66cf188eba524e19f1d2bd654a9d656d7432db80 (patch) | |
| tree | d72df790c5c039a1b6bad9674fd70f5ce9be15ee /drivers/net/ethernet/chelsio/cxgb4/t4_hw.c | |
| parent | Merge branch 'for-4.2-misc' into k.o/for-4.2 (diff) | |
| download | linux-dev-66cf188eba524e19f1d2bd654a9d656d7432db80.tar.xz linux-dev-66cf188eba524e19f1d2bd654a9d656d7432db80.zip | |
cxgb4: Support for user mode bar2 mappings with T4
Enhance cxgb4_t4_bar2_sge_qregs() and cxgb4_bar2_sge_qregs() to support T4
user mode mappings. Update all the current users as well.
Signed-off-by: Steve Wise <swise@opengridcomputing.com>
Signed-off-by: Hariprasad Shenai <hariprasad@chelsio.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
Diffstat (limited to 'drivers/net/ethernet/chelsio/cxgb4/t4_hw.c')
| -rw-r--r-- | drivers/net/ethernet/chelsio/cxgb4/t4_hw.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/drivers/net/ethernet/chelsio/cxgb4/t4_hw.c b/drivers/net/ethernet/chelsio/cxgb4/t4_hw.c index e8578a742f2a..61d8b3ec959e 100644 --- a/drivers/net/ethernet/chelsio/cxgb4/t4_hw.c +++ b/drivers/net/ethernet/chelsio/cxgb4/t4_hw.c @@ -5102,6 +5102,7 @@ int t4_prep_adapter(struct adapter *adapter) * @adapter: the adapter * @qid: the Queue ID * @qtype: the Ingress or Egress type for @qid + * @user: true if this request is for a user mode queue * @pbar2_qoffset: BAR2 Queue Offset * @pbar2_qid: BAR2 Queue ID or 0 for Queue ID inferred SGE Queues * @@ -5125,6 +5126,7 @@ int t4_prep_adapter(struct adapter *adapter) int cxgb4_t4_bar2_sge_qregs(struct adapter *adapter, unsigned int qid, enum t4_bar2_qtype qtype, + int user, u64 *pbar2_qoffset, unsigned int *pbar2_qid) { @@ -5132,9 +5134,8 @@ int cxgb4_t4_bar2_sge_qregs(struct adapter *adapter, u64 bar2_page_offset, bar2_qoffset; unsigned int bar2_qid, bar2_qid_offset, bar2_qinferred; - /* T4 doesn't support BAR2 SGE Queue registers. - */ - if (is_t4(adapter->params.chip)) + /* T4 doesn't support BAR2 SGE Queue registers for kernel mode queues */ + if (!user && is_t4(adapter->params.chip)) return -EINVAL; /* Get our SGE Page Size parameters. |