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RDMA/hns: Add CQ flag instead of independent enable flag 

It's easier to understand and maintain enable flags of cq using a single
field in type of u32 than defining a field for every flags in the
structure hns_roce_cq, and we can add new flags for features more
conveniently in the future.

Link: https://lore.kernel.org/r/1589982799-28728-3-git-send-email-liweihang@huawei.com
Signed-off-by: Lang Cheng <chenglang@huawei.com>
Signed-off-by: Weihang Li <liweihang@huawei.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
This commit is contained in:
Lang Cheng 2020-05-20 21:53:12 +08:00 committed by Jason Gunthorpe
parent 25966e8931
commit 05e6a5a635
3 changed files with 11 additions and 11 deletions
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10
drivers/infiniband/hw/hns/hns_roce_cq.c
View File

@ -186,8 +186,8 @@ static int alloc_cq_db(struct hns_roce_dev *hr_dev, struct hns_roce_cq *hr_cq,
&hr_cq->db);
if (err)
return err;
hr_cq->db_en = 1;
resp->cap_flags |= HNS_ROCE_SUPPORT_CQ_RECORD_DB;
hr_cq->flags |= HNS_ROCE_CQ_FLAG_RECORD_DB;
resp->cap_flags |= HNS_ROCE_CQ_FLAG_RECORD_DB;
}
} else {
if (has_db) {
@ -196,7 +196,7 @@ static int alloc_cq_db(struct hns_roce_dev *hr_dev, struct hns_roce_cq *hr_cq,
return err;
hr_cq->set_ci_db = hr_cq->db.db_record;
*hr_cq->set_ci_db = 0;
hr_cq->db_en = 1;
hr_cq->flags |= HNS_ROCE_CQ_FLAG_RECORD_DB;
}
hr_cq->cq_db_l = hr_dev->reg_base + hr_dev->odb_offset +
DB_REG_OFFSET * hr_dev->priv_uar.index;
@ -210,10 +210,10 @@ static void free_cq_db(struct hns_roce_dev *hr_dev, struct hns_roce_cq *hr_cq,
{
struct hns_roce_ucontext *uctx;
if (!hr_cq->db_en)
if (!(hr_cq->flags & HNS_ROCE_CQ_FLAG_RECORD_DB))
return;
hr_cq->db_en = 0;
hr_cq->flags &= ~HNS_ROCE_CQ_FLAG_RECORD_DB;
if (udata) {
uctx = rdma_udata_to_drv_context(udata,
struct hns_roce_ucontext,

6
drivers/infiniband/hw/hns/hns_roce_device.h
View File

@ -137,8 +137,8 @@ enum {
HNS_ROCE_QP_CAP_SQ_RECORD_DB = BIT(1),
};
enum {
HNS_ROCE_SUPPORT_CQ_RECORD_DB = 1 << 0,
enum hns_roce_cq_flags {
HNS_ROCE_CQ_FLAG_RECORD_DB = BIT(0),
};
enum hns_roce_qp_state {
@ -458,7 +458,7 @@ struct hns_roce_cq {
struct ib_cq ib_cq;
struct hns_roce_mtr mtr;
struct hns_roce_db db;
u8 db_en;
u32 flags;
spinlock_t lock;
u32 cq_depth;
u32 cons_index;

6
drivers/infiniband/hw/hns/hns_roce_hw_v2.c
View File

@ -2898,9 +2898,9 @@ static void hns_roce_v2_write_cqc(struct hns_roce_dev *hr_dev,
roce_set_field(cq_context->byte_40_cqe_ba, V2_CQC_BYTE_40_CQE_BA_M,
V2_CQC_BYTE_40_CQE_BA_S, (dma_handle >> (32 + 3)));
if (hr_cq->db_en)
roce_set_bit(cq_context->byte_44_db_record,
V2_CQC_BYTE_44_DB_RECORD_EN_S, 1);
roce_set_bit(cq_context->byte_44_db_record,
V2_CQC_BYTE_44_DB_RECORD_EN_S,
(hr_cq->flags & HNS_ROCE_CQ_FLAG_RECORD_DB) ? 1 : 0);
roce_set_field(cq_context->byte_44_db_record,
V2_CQC_BYTE_44_DB_RECORD_ADDR_M,