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RDMA/hns: Bugfix for reserved qp number

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It needs to include two special qps for every port. The hip08 have four
ports and the all reserved qp numbers are eight.

Signed-off-by: Lijun Ou <oulijun@huawei.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
This commit is contained in:
Lijun Ou 2018-09-30 17:00:28 +08:00 committed by Jason Gunthorpe
parent 38716732f1
commit 06ef0ee4b5
4 changed files with 11 additions and 2 deletions
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1
drivers/infiniband/hw/hns/hns_roce_device.h
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@ -671,6 +671,7 @@ struct hns_roce_caps {
u32 max_sq_inline; /* 32 */
u32 max_rq_sg; /* 2 */
int num_qps; /* 256k */
int reserved_qps;
u32 max_wqes; /* 16k */
u32 max_sq_desc_sz; /* 64 */
u32 max_rq_desc_sz; /* 64 */

1
drivers/infiniband/hw/hns/hns_roce_hw_v2.c
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@ -1219,6 +1219,7 @@ static int hns_roce_v2_profile(struct hns_roce_dev *hr_dev)
caps->reserved_mrws = 1;
caps->reserved_uars = 0;
caps->reserved_cqs = 0;
caps->reserved_qps = HNS_ROCE_V2_RSV_QPS;
caps->qpc_ba_pg_sz = 0;
caps->qpc_buf_pg_sz = 0;

1
drivers/infiniband/hw/hns/hns_roce_hw_v2.h
View File

@ -78,6 +78,7 @@
#define HNS_ROCE_INVALID_LKEY 0x100
#define HNS_ROCE_CMQ_TX_TIMEOUT 30000
#define HNS_ROCE_V2_UC_RC_SGE_NUM_IN_WQE 2
#define HNS_ROCE_V2_RSV_QPS 8
#define HNS_ROCE_CONTEXT_HOP_NUM 1
#define HNS_ROCE_MTT_HOP_NUM 1

10
drivers/infiniband/hw/hns/hns_roce_qp.c
View File

@ -1106,14 +1106,20 @@ int hns_roce_init_qp_table(struct hns_roce_dev *hr_dev)
{
struct hns_roce_qp_table *qp_table = &hr_dev->qp_table;
int reserved_from_top = 0;
int reserved_from_bot;
int ret;
spin_lock_init(&qp_table->lock);
INIT_RADIX_TREE(&hr_dev->qp_table_tree, GFP_ATOMIC);
/* A port include two SQP, six port total 12 */
/* In hw v1, a port include two SQP, six ports total 12 */
if (hr_dev->caps.max_sq_sg <= 2)
reserved_from_bot = SQP_NUM;
else
reserved_from_bot = hr_dev->caps.reserved_qps;
ret = hns_roce_bitmap_init(&qp_table->bitmap, hr_dev->caps.num_qps,
hr_dev->caps.num_qps - 1, SQP_NUM,
hr_dev->caps.num_qps - 1, reserved_from_bot,
reserved_from_top);
if (ret) {
dev_err(hr_dev->dev, "qp bitmap init failed!error=%d\n",