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| author |   Selvin Xavier <selvin.xavier@broadcom.com> | 2017-08-02 01:46:18 -0700 |
|---|---|---|
| committer |   Doug Ledford <dledford@redhat.com> | 2017-08-18 15:08:30 -0400 |
| commit | 6a5df91baf2528e584bf4493c30bbafe2db74c9e (patch) | |
| tree | c67d1089b42bde370228e44587ac42851477a5c4 /drivers/infiniband/hw/bnxt_re/bnxt_re.h | |
| parent | Add OPA extended LID support (diff) | |
| download | linux-dev-6a5df91baf2528e584bf4493c30bbafe2db74c9e.tar.xz linux-dev-6a5df91baf2528e584bf4493c30bbafe2db74c9e.zip | |
RDMA/bnxt_re: Allocate multiple notification queues
Enables multiple Interrupt vectors. Driver is requesting the max
MSIX vectors based on the number of online cpus and creates upto
9 MSIx vectors (1 for control path and 8 for data path).
A tasklet is created for each of these vectors. NQs are assigned
to CQs in round robin fashion.
This patch also adds IRQ affinity hint for the MSIX vector of each NQ.
Signed-off-by: Ray Jui <ray.jui@broadcom.com>
Signed-off-by: Selvin Xavier <selvin.xavier@broadcom.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
Diffstat (limited to 'drivers/infiniband/hw/bnxt_re/bnxt_re.h')
| -rw-r--r-- | drivers/infiniband/hw/bnxt_re/bnxt_re.h | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/drivers/infiniband/hw/bnxt_re/bnxt_re.h b/drivers/infiniband/hw/bnxt_re/bnxt_re.h index 85527532c49d..b3ad37fec578 100644 --- a/drivers/infiniband/hw/bnxt_re/bnxt_re.h +++ b/drivers/infiniband/hw/bnxt_re/bnxt_re.h @@ -85,7 +85,7 @@ struct bnxt_re_sqp_entries { }; #define BNXT_RE_MIN_MSIX 2 -#define BNXT_RE_MAX_MSIX 16 +#define BNXT_RE_MAX_MSIX 9 #define BNXT_RE_AEQ_IDX 0 #define BNXT_RE_NQ_IDX 1 @@ -116,7 +116,7 @@ struct bnxt_re_dev { struct bnxt_qplib_rcfw rcfw; /* NQ */ - struct bnxt_qplib_nq nq; + struct bnxt_qplib_nq nq[BNXT_RE_MAX_MSIX]; /* Device Resources */ struct bnxt_qplib_dev_attr dev_attr; @@ -140,6 +140,7 @@ struct bnxt_re_dev { struct bnxt_re_qp *qp1_sqp; struct bnxt_re_ah *sqp_ah; struct bnxt_re_sqp_entries sqp_tbl[1024]; + atomic_t nq_alloc_cnt; }; #define to_bnxt_re_dev(ptr, member) \ |