diff options
| author | Kaike Wan <kaike.wan@intel.com> | 2019-01-24 04:20:42 +0100 |
|---|---|---|
| committer | Doug Ledford <dledford@redhat.com> | 2019-01-31 17:36:05 +0100 |
| commit | d22a207d74adb0b43742f83d025079207425928b (patch) | |
| tree | b6eb55ffdb389ceb19e28a01f050a13895f707c8 /drivers/infiniband/hw/hfi1/chip.c | |
| parent | IB/hfi1: OPFN support discovery (diff) | |
| download | linux-d22a207d74adb0b43742f83d025079207425928b.tar.xz linux-d22a207d74adb0b43742f83d025079207425928b.zip | |
IB/hfi1: Add OPFN helper functions for TID RDMA feature
This patch adds the OPFN helper functions to initialize, encode, decode,
and reset OPFN parameters for the TID RDMA feature.
Reviewed-by: Mike Marciniszyn <mike.marciniszyn@intel.com>
Signed-off-by: Ashutosh Dixit <ashutosh.dixit@intel.com>
Signed-off-by: Mitko Haralanov <mitko.haralanov@intel.com>
Signed-off-by: Kaike Wan <kaike.wan@intel.com>
Signed-off-by: Dennis Dalessandro <dennis.dalessandro@intel.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
Diffstat (limited to 'drivers/infiniband/hw/hfi1/chip.c')
| -rw-r--r-- | drivers/infiniband/hw/hfi1/chip.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/drivers/infiniband/hw/hfi1/chip.c b/drivers/infiniband/hw/hfi1/chip.c index b443642eac02..4d40311f082e 100644 --- a/drivers/infiniband/hw/hfi1/chip.c +++ b/drivers/infiniband/hw/hfi1/chip.c @@ -5222,6 +5222,17 @@ int is_bx(struct hfi1_devdata *dd) return (chip_rev_minor & 0xF0) == 0x10; } +/* return true is kernel urg disabled for rcd */ +bool is_urg_masked(struct hfi1_ctxtdata *rcd) +{ + u64 mask; + u32 is = IS_RCVURGENT_START + rcd->ctxt; + u8 bit = is % 64; + + mask = read_csr(rcd->dd, CCE_INT_MASK + (8 * (is / 64))); + return !(mask & BIT_ULL(bit)); +} + /* * Append string s to buffer buf. Arguments curp and len are the current * position and remaining length, respectively. |