diff options
| author |   Hariprasad S <hariprasad@chelsio.com> | 2015-06-09 18:23:12 +0530 |
|---|---|---|
| committer |   Doug Ledford <dledford@redhat.com> | 2015-06-11 12:22:32 -0400 |
| commit | 74217d4c6a4fb0d80a7e2f217584ccdc692d5f57 (patch) | |
| tree | f87f4635c81e69f824723c0fe9e5d064a645030b /drivers/infiniband/hw/cxgb4/iw_cxgb4.h | |
| parent | cxgb4: Support for user mode bar2 mappings with T4 (diff) | |
| download | linux-dev-74217d4c6a4fb0d80a7e2f217584ccdc692d5f57.tar.xz linux-dev-74217d4c6a4fb0d80a7e2f217584ccdc692d5f57.zip | |
iw_cxgb4: support for bar2 qid densities exceeding the page size
Handle this configuration:
Queues Per Page * SGE BAR2 Queue Register Area Size > Page Size
Use cxgb4_bar2_sge_qregs() to obtain the proper location within the
bar2 region for a given qid.
Rework the DB and GTS write functions to make use of this bar2 info.
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/infiniband/hw/cxgb4/iw_cxgb4.h')
| -rw-r--r-- | drivers/infiniband/hw/cxgb4/iw_cxgb4.h | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/drivers/infiniband/hw/cxgb4/iw_cxgb4.h b/drivers/infiniband/hw/cxgb4/iw_cxgb4.h index 97bb5550a6cf..595f808f709b 100644 --- a/drivers/infiniband/hw/cxgb4/iw_cxgb4.h +++ b/drivers/infiniband/hw/cxgb4/iw_cxgb4.h @@ -165,9 +165,7 @@ struct wr_log_entry { struct c4iw_rdev { struct c4iw_resource resource; - unsigned long qpshift; u32 qpmask; - unsigned long cqshift; u32 cqmask; struct c4iw_dev_ucontext uctx; struct gen_pool *pbl_pool; @@ -1032,6 +1030,9 @@ void c4iw_ev_dispatch(struct c4iw_dev *dev, struct t4_cqe *err_cqe); extern struct cxgb4_client t4c_client; extern c4iw_handler_func c4iw_handlers[NUM_CPL_CMDS]; +void __iomem *c4iw_bar2_addrs(struct c4iw_rdev *rdev, unsigned int qid, + enum cxgb4_bar2_qtype qtype, + unsigned int *pbar2_qid, u64 *pbar2_pa); extern void c4iw_log_wr_stats(struct t4_wq *wq, struct t4_cqe *cqe); extern int c4iw_wr_log; extern int db_fc_threshold; |