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| author |   Yangyang Li <liyangyang20@huawei.com> | 2019-08-08 22:53:51 +0800 |
|---|---|---|
| committer |   Doug Ledford <dledford@redhat.com> | 2019-08-12 10:45:08 -0400 |
| commit | 260c3b3499198b2cfa911ea7fb4f28bb129ef1e8 (patch) | |
| tree | 060900ecdfda4890cd95e73b2dd22d7dea7ef0ef /drivers/infiniband/hw/hns | |
| parent | RDMA/hns: Remove unnecessary kzalloc (diff) | |
| download | linux-dev-260c3b3499198b2cfa911ea7fb4f28bb129ef1e8.tar.xz linux-dev-260c3b3499198b2cfa911ea7fb4f28bb129ef1e8.zip | |
RDMA/hns: Refactor hns_roce_v2_set_hem for hip08
In order to reduce the complexity of hns_roce_v2_set_hem, extract
the implementation of op as a function.
Signed-off-by: Yangyang Li <liyangyang20@huawei.com>
Link: https://lore.kernel.org/r/1565276034-97329-12-git-send-email-oulijun@huawei.com
Signed-off-by: Doug Ledford <dledford@redhat.com>
Diffstat (limited to 'drivers/infiniband/hw/hns')
| -rw-r--r-- | drivers/infiniband/hw/hns/hns_roce_hw_v2.c | 75 |
1 files changed, 42 insertions, 33 deletions
diff --git a/drivers/infiniband/hw/hns/hns_roce_hw_v2.c b/drivers/infiniband/hw/hns/hns_roce_hw_v2.c index 208ff4be45a7..4de5f848f91f 100644 --- a/drivers/infiniband/hw/hns/hns_roce_hw_v2.c +++ b/drivers/infiniband/hw/hns/hns_roce_hw_v2.c @@ -2903,11 +2903,49 @@ static int hns_roce_v2_poll_cq(struct ib_cq *ibcq, int num_entries, return npolled; } +static int get_op_for_set_hem(struct hns_roce_dev *hr_dev, u32 type, + int step_idx) +{ + int op; + + if (type == HEM_TYPE_SCCC && step_idx) + return -EINVAL; + + switch (type) { + case HEM_TYPE_QPC: + op = HNS_ROCE_CMD_WRITE_QPC_BT0; + break; + case HEM_TYPE_MTPT: + op = HNS_ROCE_CMD_WRITE_MPT_BT0; + break; + case HEM_TYPE_CQC: + op = HNS_ROCE_CMD_WRITE_CQC_BT0; + break; + case HEM_TYPE_SRQC: + op = HNS_ROCE_CMD_WRITE_SRQC_BT0; + break; + case HEM_TYPE_SCCC: + op = HNS_ROCE_CMD_WRITE_SCCC_BT0; + break; + case HEM_TYPE_QPC_TIMER: + op = HNS_ROCE_CMD_WRITE_QPC_TIMER_BT0; + break; + case HEM_TYPE_CQC_TIMER: + op = HNS_ROCE_CMD_WRITE_CQC_TIMER_BT0; + break; + default: + dev_warn(hr_dev->dev, + "Table %d not to be written by mailbox!\n", type); + return -EINVAL; + } + + return op + step_idx; +} + static int hns_roce_v2_set_hem(struct hns_roce_dev *hr_dev, struct hns_roce_hem_table *table, int obj, int step_idx) { - struct device *dev = hr_dev->dev; struct hns_roce_cmd_mailbox *mailbox; struct hns_roce_hem_iter iter; struct hns_roce_hem_mhop mhop; @@ -2920,7 +2958,7 @@ static int hns_roce_v2_set_hem(struct hns_roce_dev *hr_dev, u64 bt_ba = 0; u32 chunk_ba_num; u32 hop_num; - u16 op = 0xff; + int op; if (!hns_roce_check_whether_mhop(hr_dev, table->type)) return 0; @@ -2942,38 +2980,9 @@ static int hns_roce_v2_set_hem(struct hns_roce_dev *hr_dev, hem_idx = i; } - switch (table->type) { - case HEM_TYPE_QPC: - op = HNS_ROCE_CMD_WRITE_QPC_BT0; - break; - case HEM_TYPE_MTPT: - op = HNS_ROCE_CMD_WRITE_MPT_BT0; - break; - case HEM_TYPE_CQC: - op = HNS_ROCE_CMD_WRITE_CQC_BT0; - break; - case HEM_TYPE_SRQC: - op = HNS_ROCE_CMD_WRITE_SRQC_BT0; - break; - case HEM_TYPE_SCCC: - op = HNS_ROCE_CMD_WRITE_SCCC_BT0; - break; - case HEM_TYPE_QPC_TIMER: - op = HNS_ROCE_CMD_WRITE_QPC_TIMER_BT0; - break; - case HEM_TYPE_CQC_TIMER: - op = HNS_ROCE_CMD_WRITE_CQC_TIMER_BT0; - break; - default: - dev_warn(dev, "Table %d not to be written by mailbox!\n", - table->type); + op = get_op_for_set_hem(hr_dev, table->type, step_idx); + if (op == -EINVAL) return 0; - } - - if (table->type == HEM_TYPE_SCCC && step_idx) - return 0; - - op += step_idx; mailbox = hns_roce_alloc_cmd_mailbox(hr_dev); if (IS_ERR(mailbox)) |