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RDMA/hns: Eanble SRQ capacity for hip08 

This patch configures the flags for enabling the
SRQ(Share Receive Queue) capacity as well as update the
verb of querying device for setting srq specifications.

Signed-off-by: Lijun Ou <oulijun@huawei.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
This commit is contained in:
Lijun Ou 2018-11-24 16:49:19 +08:00 committed by Jason Gunthorpe
parent b2d8754f9a
commit d16da11992
4 changed files with 18 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
drivers/infiniband/hw/hns/hns_roce_device.h
View File

@ -196,6 +196,7 @@ enum {
HNS_ROCE_CAP_FLAG_RQ_INLINE = BIT(2),
HNS_ROCE_CAP_FLAG_RECORD_DB = BIT(3),
HNS_ROCE_CAP_FLAG_SQ_RECORD_DB = BIT(4),
HNS_ROCE_CAP_FLAG_SRQ = BIT(5),
HNS_ROCE_CAP_FLAG_MW = BIT(7),
HNS_ROCE_CAP_FLAG_FRMR = BIT(8),
HNS_ROCE_CAP_FLAG_ATOMIC = BIT(10),
@ -680,6 +681,9 @@ struct hns_roce_caps {
int num_qps; /* 256k */
int reserved_qps;
u32 max_wqes; /* 16k */
u32 max_srqs;
u32 max_srq_wrs;
u32 max_srq_sges;
u32 max_sq_desc_sz; /* 64 */
u32 max_rq_desc_sz; /* 64 */
u32 max_srq_desc_sz;

7
drivers/infiniband/hw/hns/hns_roce_hw_v2.c
View File

@ -1354,8 +1354,13 @@ static int hns_roce_v2_profile(struct hns_roce_dev *hr_dev)
caps->local_ca_ack_delay = 0;
caps->max_mtu = IB_MTU_4096;
caps->max_srqs = HNS_ROCE_V2_MAX_SRQ;
caps->max_srq_wrs = HNS_ROCE_V2_MAX_SRQ_WR;
caps->max_srq_sges = HNS_ROCE_V2_MAX_SRQ_SGE;
if (hr_dev->pci_dev->revision == 0x21)
caps->flags |= HNS_ROCE_CAP_FLAG_ATOMIC;
caps->flags |= HNS_ROCE_CAP_FLAG_ATOMIC |
HNS_ROCE_CAP_FLAG_SRQ;
ret = hns_roce_v2_set_bt(hr_dev);
if (ret)

3
drivers/infiniband/hw/hns/hns_roce_hw_v2.h
View File

@ -46,6 +46,9 @@
#define HNS_ROCE_V2_MAX_QP_NUM 0x2000
#define HNS_ROCE_V2_MAX_WQE_NUM 0x8000
#define HNS_ROCE_V2_MAX_SRQ 0x100000
#define HNS_ROCE_V2_MAX_SRQ_WR 0x8000
#define HNS_ROCE_V2_MAX_SRQ_SGE 0x100
#define HNS_ROCE_V2_MAX_CQ_NUM 0x8000
#define HNS_ROCE_V2_MAX_CQE_NUM 0x10000
#define HNS_ROCE_V2_MAX_RQ_SGE_NUM 0x100

5
drivers/infiniband/hw/hns/hns_roce_main.c
View File

@ -220,6 +220,11 @@ static int hns_roce_query_device(struct ib_device *ib_dev,
IB_ATOMIC_HCA : IB_ATOMIC_NONE;
props->max_pkeys = 1;
props->local_ca_ack_delay = hr_dev->caps.local_ca_ack_delay;
if (hr_dev->caps.flags & HNS_ROCE_CAP_FLAG_SRQ) {
props->max_srq = hr_dev->caps.max_srqs;
props->max_srq_wr = hr_dev->caps.max_srq_wrs;
props->max_srq_sge = hr_dev->caps.max_srq_sges;
}
return 0;
}