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IB/hfi1: Add OPFN helper functions for TID RDMA feature

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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>
This commit is contained in:
Kaike Wan
2019-01-23 19:20:42 -08:00
committed by Doug Ledford
parent 44e43d91ad
commit d22a207d74
7 changed files with 254 additions and 2 deletions
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11
drivers/infiniband/hw/hfi1/chip.c
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@@ -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.