From 90c559b1864aa52518c10d5535bf5d5ea74189e5 Mon Sep 17 00:00:00 2001 From: Lijun Ou Date: Wed, 21 Aug 2019 21:14:31 +0800 Subject: [PATCH] RDMA/hns: Remove the some magic number Here uses the meaningful macro instead of the magic number for readability. Signed-off-by: Lijun Ou Signed-off-by: Lang Chen Link: https://lore.kernel.org/r/1566393276-42555-5-git-send-email-oulijun@huawei.com Signed-off-by: Doug Ledford --- drivers/infiniband/hw/hns/hns_roce_device.h | 5 +++++ drivers/infiniband/hw/hns/hns_roce_hw_v1.c | 3 ++- drivers/infiniband/hw/hns/hns_roce_hw_v2.c | 4 ++-- drivers/infiniband/hw/hns/hns_roce_hw_v2.h | 3 ++- 4 files changed, 11 insertions(+), 4 deletions(-) diff --git a/drivers/infiniband/hw/hns/hns_roce_device.h b/drivers/infiniband/hw/hns/hns_roce_device.h index 011e038..5eb7134 100644 --- a/drivers/infiniband/hw/hns/hns_roce_device.h +++ b/drivers/infiniband/hw/hns/hns_roce_device.h @@ -127,6 +127,11 @@ #define HNS_ROCE_IDX_QUE_ENTRY_SZ 4 #define SRQ_DB_REG 0x230 +/* The chip implementation of the consumer index is calculated + * according to twice the actual EQ depth + */ +#define EQ_DEPTH_COEFF 2 + enum { HNS_ROCE_SUPPORT_RQ_RECORD_DB = 1 << 0, HNS_ROCE_SUPPORT_SQ_RECORD_DB = 1 << 1, diff --git a/drivers/infiniband/hw/hns/hns_roce_hw_v1.c b/drivers/infiniband/hw/hns/hns_roce_hw_v1.c index e687b43..3fcd0bd 100644 --- a/drivers/infiniband/hw/hns/hns_roce_hw_v1.c +++ b/drivers/infiniband/hw/hns/hns_roce_hw_v1.c @@ -4018,7 +4018,8 @@ static int hns_roce_v1_ceq_int(struct hns_roce_dev *hr_dev, ++eq->cons_index; ceqes_found = 1; - if (eq->cons_index > 2 * hr_dev->caps.ceqe_depth - 1) { + if (eq->cons_index > + EQ_DEPTH_COEFF * hr_dev->caps.ceqe_depth - 1) { dev_warn(&eq->hr_dev->pdev->dev, "cons_index overflow, set back to 0.\n"); eq->cons_index = 0; diff --git a/drivers/infiniband/hw/hns/hns_roce_hw_v2.c b/drivers/infiniband/hw/hns/hns_roce_hw_v2.c index 67e56b8..d4c4c41 100644 --- a/drivers/infiniband/hw/hns/hns_roce_hw_v2.c +++ b/drivers/infiniband/hw/hns/hns_roce_hw_v2.c @@ -5084,7 +5084,7 @@ static int hns_roce_v2_ceq_int(struct hns_roce_dev *hr_dev, ++eq->cons_index; ceqe_found = 1; - if (eq->cons_index > (2 * eq->entries - 1)) { + if (eq->cons_index > (EQ_DEPTH_COEFF * eq->entries - 1)) { dev_warn(dev, "cons_index overflow, set back to 0.\n"); eq->cons_index = 0; } @@ -6501,7 +6501,7 @@ static int hns_roce_hw_v2_reset_notify_uninit(struct hnae3_handle *handle) handle->rinfo.reset_state = HNS_ROCE_STATE_RST_UNINIT; dev_info(&handle->pdev->dev, "In reset process RoCE client uninit.\n"); - msleep(100); + msleep(HNS_ROCE_V2_HW_RST_UNINT_DELAY); __hns_roce_hw_v2_uninit_instance(handle, false); return 0; diff --git a/drivers/infiniband/hw/hns/hns_roce_hw_v2.h b/drivers/infiniband/hw/hns/hns_roce_hw_v2.h index 58931b5..13016297 100644 --- a/drivers/infiniband/hw/hns/hns_roce_hw_v2.h +++ b/drivers/infiniband/hw/hns/hns_roce_hw_v2.h @@ -96,7 +96,8 @@ #define HNS_ROCE_V2_UC_RC_SGE_NUM_IN_WQE 2 #define HNS_ROCE_V2_RSV_QPS 8 -#define HNS_ROCE_V2_HW_RST_TIMEOUT 1000 +#define HNS_ROCE_V2_HW_RST_TIMEOUT 1000 +#define HNS_ROCE_V2_HW_RST_UNINT_DELAY 100 #define HNS_ROCE_CONTEXT_HOP_NUM 1 #define HNS_ROCE_SCCC_HOP_NUM 1 -- 2.7.4