From: liuyixian <liuyixian@huawei.com>
Date: Mon, 3 Sep 2018 17:18:14 +0800
Subject: RDMA/hns: Move all prints out of irq handle
Patch-mainline: v4.20-rc1
Git-commit: b00a92c8f2cae4ea8c84ddae9b9ba5daeb9f327f
References: bsc#1104427 FATE#326416
It will trigger unnecessary interrupts caused by time out if prints inside
aeq handle under some configurations. Thus, move all prints out of aeq
handle to work queue.
Signed-off-by: liuyixian <liuyixian@huawei.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
Acked-by: Thomas Bogendoerfer <tbogendoerfer@suse.de>
---
drivers/infiniband/hw/hns/hns_roce_device.h | 1
drivers/infiniband/hw/hns/hns_roce_hw_v2.c | 228 +++++++++++-----------------
2 files changed, 97 insertions(+), 132 deletions(-)
--- a/drivers/infiniband/hw/hns/hns_roce_device.h
+++ b/drivers/infiniband/hw/hns/hns_roce_device.h
@@ -738,6 +738,7 @@ struct hns_roce_work {
struct hns_roce_dev *hr_dev;
struct work_struct work;
u32 qpn;
+ u32 cqn;
int event_type;
int sub_type;
};
--- a/drivers/infiniband/hw/hns/hns_roce_hw_v2.c
+++ b/drivers/infiniband/hw/hns/hns_roce_hw_v2.c
@@ -3995,13 +3995,103 @@ static void hns_roce_irq_work_handle(str
{
struct hns_roce_work *irq_work =
container_of(work, struct hns_roce_work, work);
+ struct device *dev = irq_work->hr_dev->dev;
u32 qpn = irq_work->qpn;
+ u32 cqn = irq_work->cqn;
switch (irq_work->event_type) {
+ case HNS_ROCE_EVENT_TYPE_PATH_MIG:
+ dev_info(dev, "Path migrated succeeded.\n");
+ break;
+ case HNS_ROCE_EVENT_TYPE_PATH_MIG_FAILED:
+ dev_warn(dev, "Path migration failed.\n");
+ break;
+ case HNS_ROCE_EVENT_TYPE_COMM_EST:
+ dev_info(dev, "Communication established.\n");
+ break;
+ case HNS_ROCE_EVENT_TYPE_SQ_DRAINED:
+ dev_warn(dev, "Send queue drained.\n");
+ break;
case HNS_ROCE_EVENT_TYPE_WQ_CATAS_ERROR:
+ dev_err(dev, "Local work queue catastrophic error.\n");
+ hns_roce_set_qps_to_err(irq_work->hr_dev, qpn);
+ switch (irq_work->sub_type) {
+ case HNS_ROCE_LWQCE_QPC_ERROR:
+ dev_err(dev, "QP %d, QPC error.\n", qpn);
+ break;
+ case HNS_ROCE_LWQCE_MTU_ERROR:
+ dev_err(dev, "QP %d, MTU error.\n", qpn);
+ break;
+ case HNS_ROCE_LWQCE_WQE_BA_ADDR_ERROR:
+ dev_err(dev, "QP %d, WQE BA addr error.\n", qpn);
+ break;
+ case HNS_ROCE_LWQCE_WQE_ADDR_ERROR:
+ dev_err(dev, "QP %d, WQE addr error.\n", qpn);
+ break;
+ case HNS_ROCE_LWQCE_SQ_WQE_SHIFT_ERROR:
+ dev_err(dev, "QP %d, WQE shift error.\n", qpn);
+ break;
+ default:
+ dev_err(dev, "Unhandled sub_event type %d.\n",
+ irq_work->sub_type);
+ break;
+ }
+ break;
case HNS_ROCE_EVENT_TYPE_INV_REQ_LOCAL_WQ_ERROR:
+ dev_err(dev, "Invalid request local work queue error.\n");
+ hns_roce_set_qps_to_err(irq_work->hr_dev, qpn);
+ break;
case HNS_ROCE_EVENT_TYPE_LOCAL_WQ_ACCESS_ERROR:
+ dev_err(dev, "Local access violation work queue error.\n");
hns_roce_set_qps_to_err(irq_work->hr_dev, qpn);
+ switch (irq_work->sub_type) {
+ case HNS_ROCE_LAVWQE_R_KEY_VIOLATION:
+ dev_err(dev, "QP %d, R_key violation.\n", qpn);
+ break;
+ case HNS_ROCE_LAVWQE_LENGTH_ERROR:
+ dev_err(dev, "QP %d, length error.\n", qpn);
+ break;
+ case HNS_ROCE_LAVWQE_VA_ERROR:
+ dev_err(dev, "QP %d, VA error.\n", qpn);
+ break;
+ case HNS_ROCE_LAVWQE_PD_ERROR:
+ dev_err(dev, "QP %d, PD error.\n", qpn);
+ break;
+ case HNS_ROCE_LAVWQE_RW_ACC_ERROR:
+ dev_err(dev, "QP %d, rw acc error.\n", qpn);
+ break;
+ case HNS_ROCE_LAVWQE_KEY_STATE_ERROR:
+ dev_err(dev, "QP %d, key state error.\n", qpn);
+ break;
+ case HNS_ROCE_LAVWQE_MR_OPERATION_ERROR:
+ dev_err(dev, "QP %d, MR operation error.\n", qpn);
+ break;
+ default:
+ dev_err(dev, "Unhandled sub_event type %d.\n",
+ irq_work->sub_type);
+ break;
+ }
+ break;
+ case HNS_ROCE_EVENT_TYPE_SRQ_LIMIT_REACH:
+ dev_warn(dev, "SRQ limit reach.\n");
+ break;
+ case HNS_ROCE_EVENT_TYPE_SRQ_LAST_WQE_REACH:
+ dev_warn(dev, "SRQ last wqe reach.\n");
+ break;
+ case HNS_ROCE_EVENT_TYPE_SRQ_CATAS_ERROR:
+ dev_err(dev, "SRQ catas error.\n");
+ break;
+ case HNS_ROCE_EVENT_TYPE_CQ_ACCESS_ERROR:
+ dev_err(dev, "CQ 0x%x access err.\n", cqn);
+ break;
+ case HNS_ROCE_EVENT_TYPE_CQ_OVERFLOW:
+ dev_warn(dev, "CQ 0x%x overflow\n", cqn);
+ break;
+ case HNS_ROCE_EVENT_TYPE_DB_OVERFLOW:
+ dev_warn(dev, "DB overflow.\n");
+ break;
+ case HNS_ROCE_EVENT_TYPE_FLR:
+ dev_warn(dev, "Function level reset.\n");
break;
default:
break;
@@ -4011,7 +4101,8 @@ static void hns_roce_irq_work_handle(str
}
static void hns_roce_v2_init_irq_work(struct hns_roce_dev *hr_dev,
- struct hns_roce_eq *eq, u32 qpn)
+ struct hns_roce_eq *eq,
+ u32 qpn, u32 cqn)
{
struct hns_roce_work *irq_work;
@@ -4022,6 +4113,7 @@ static void hns_roce_v2_init_irq_work(st
INIT_WORK(&(irq_work->work), hns_roce_irq_work_handle);
irq_work->hr_dev = hr_dev;
irq_work->qpn = qpn;
+ irq_work->cqn = cqn;
irq_work->event_type = eq->event_type;
irq_work->sub_type = eq->sub_type;
queue_work(hr_dev->irq_workq, &(irq_work->work));
@@ -4058,124 +4150,6 @@ static void set_eq_cons_index_v2(struct
hns_roce_write64_k(doorbell, eq->doorbell);
}
-static void hns_roce_v2_wq_catas_err_handle(struct hns_roce_dev *hr_dev,
- struct hns_roce_aeqe *aeqe,
- u32 qpn)
-{
- struct device *dev = hr_dev->dev;
- int sub_type;
-
- dev_warn(dev, "Local work queue catastrophic error.\n");
- sub_type = roce_get_field(aeqe->asyn, HNS_ROCE_V2_AEQE_SUB_TYPE_M,
- HNS_ROCE_V2_AEQE_SUB_TYPE_S);
- switch (sub_type) {
- case HNS_ROCE_LWQCE_QPC_ERROR:
- dev_warn(dev, "QP %d, QPC error.\n", qpn);
- break;
- case HNS_ROCE_LWQCE_MTU_ERROR:
- dev_warn(dev, "QP %d, MTU error.\n", qpn);
- break;
- case HNS_ROCE_LWQCE_WQE_BA_ADDR_ERROR:
- dev_warn(dev, "QP %d, WQE BA addr error.\n", qpn);
- break;
- case HNS_ROCE_LWQCE_WQE_ADDR_ERROR:
- dev_warn(dev, "QP %d, WQE addr error.\n", qpn);
- break;
- case HNS_ROCE_LWQCE_SQ_WQE_SHIFT_ERROR:
- dev_warn(dev, "QP %d, WQE shift error.\n", qpn);
- break;
- default:
- dev_err(dev, "Unhandled sub_event type %d.\n", sub_type);
- break;
- }
-}
-
-static void hns_roce_v2_local_wq_access_err_handle(struct hns_roce_dev *hr_dev,
- struct hns_roce_aeqe *aeqe, u32 qpn)
-{
- struct device *dev = hr_dev->dev;
- int sub_type;
-
- dev_warn(dev, "Local access violation work queue error.\n");
- sub_type = roce_get_field(aeqe->asyn, HNS_ROCE_V2_AEQE_SUB_TYPE_M,
- HNS_ROCE_V2_AEQE_SUB_TYPE_S);
- switch (sub_type) {
- case HNS_ROCE_LAVWQE_R_KEY_VIOLATION:
- dev_warn(dev, "QP %d, R_key violation.\n", qpn);
- break;
- case HNS_ROCE_LAVWQE_LENGTH_ERROR:
- dev_warn(dev, "QP %d, length error.\n", qpn);
- break;
- case HNS_ROCE_LAVWQE_VA_ERROR:
- dev_warn(dev, "QP %d, VA error.\n", qpn);
- break;
- case HNS_ROCE_LAVWQE_PD_ERROR:
- dev_err(dev, "QP %d, PD error.\n", qpn);
- break;
- case HNS_ROCE_LAVWQE_RW_ACC_ERROR:
- dev_warn(dev, "QP %d, rw acc error.\n", qpn);
- break;
- case HNS_ROCE_LAVWQE_KEY_STATE_ERROR:
- dev_warn(dev, "QP %d, key state error.\n", qpn);
- break;
- case HNS_ROCE_LAVWQE_MR_OPERATION_ERROR:
- dev_warn(dev, "QP %d, MR operation error.\n", qpn);
- break;
- default:
- dev_err(dev, "Unhandled sub_event type %d.\n", sub_type);
- break;
- }
-}
-
-static void hns_roce_v2_qp_err_handle(struct hns_roce_dev *hr_dev,
- struct hns_roce_aeqe *aeqe,
- int event_type, u32 qpn)
-{
- struct device *dev = hr_dev->dev;
-
- switch (event_type) {
- case HNS_ROCE_EVENT_TYPE_COMM_EST:
- dev_warn(dev, "Communication established.\n");
- break;
- case HNS_ROCE_EVENT_TYPE_SQ_DRAINED:
- dev_warn(dev, "Send queue drained.\n");
- break;
- case HNS_ROCE_EVENT_TYPE_WQ_CATAS_ERROR:
- hns_roce_v2_wq_catas_err_handle(hr_dev, aeqe, qpn);
- break;
- case HNS_ROCE_EVENT_TYPE_INV_REQ_LOCAL_WQ_ERROR:
- dev_warn(dev, "Invalid request local work queue error.\n");
- break;
- case HNS_ROCE_EVENT_TYPE_LOCAL_WQ_ACCESS_ERROR:
- hns_roce_v2_local_wq_access_err_handle(hr_dev, aeqe, qpn);
- break;
- default:
- break;
- }
-
- hns_roce_qp_event(hr_dev, qpn, event_type);
-}
-
-static void hns_roce_v2_cq_err_handle(struct hns_roce_dev *hr_dev,
- struct hns_roce_aeqe *aeqe,
- int event_type, u32 cqn)
-{
- struct device *dev = hr_dev->dev;
-
- switch (event_type) {
- case HNS_ROCE_EVENT_TYPE_CQ_ACCESS_ERROR:
- dev_warn(dev, "CQ 0x%x access err.\n", cqn);
- break;
- case HNS_ROCE_EVENT_TYPE_CQ_OVERFLOW:
- dev_warn(dev, "CQ 0x%x overflow\n", cqn);
- break;
- default:
- break;
- }
-
- hns_roce_cq_event(hr_dev, cqn, event_type);
-}
-
static struct hns_roce_aeqe *get_aeqe_v2(struct hns_roce_eq *eq, u32 entry)
{
u32 buf_chk_sz;
@@ -4251,31 +4225,23 @@ static int hns_roce_v2_aeq_int(struct hn
switch (event_type) {
case HNS_ROCE_EVENT_TYPE_PATH_MIG:
- dev_warn(dev, "Path migrated succeeded.\n");
- break;
case HNS_ROCE_EVENT_TYPE_PATH_MIG_FAILED:
- dev_warn(dev, "Path migration failed.\n");
- break;
case HNS_ROCE_EVENT_TYPE_COMM_EST:
case HNS_ROCE_EVENT_TYPE_SQ_DRAINED:
case HNS_ROCE_EVENT_TYPE_WQ_CATAS_ERROR:
case HNS_ROCE_EVENT_TYPE_INV_REQ_LOCAL_WQ_ERROR:
case HNS_ROCE_EVENT_TYPE_LOCAL_WQ_ACCESS_ERROR:
- hns_roce_v2_qp_err_handle(hr_dev, aeqe, event_type,
- qpn);
+ hns_roce_qp_event(hr_dev, qpn, event_type);
break;
case HNS_ROCE_EVENT_TYPE_SRQ_LIMIT_REACH:
case HNS_ROCE_EVENT_TYPE_SRQ_LAST_WQE_REACH:
case HNS_ROCE_EVENT_TYPE_SRQ_CATAS_ERROR:
- dev_warn(dev, "SRQ not support.\n");
break;
case HNS_ROCE_EVENT_TYPE_CQ_ACCESS_ERROR:
case HNS_ROCE_EVENT_TYPE_CQ_OVERFLOW:
- hns_roce_v2_cq_err_handle(hr_dev, aeqe, event_type,
- cqn);
+ hns_roce_cq_event(hr_dev, cqn, event_type);
break;
case HNS_ROCE_EVENT_TYPE_DB_OVERFLOW:
- dev_warn(dev, "DB overflow.\n");
break;
case HNS_ROCE_EVENT_TYPE_MB:
hns_roce_cmd_event(hr_dev,
@@ -4284,10 +4250,8 @@ static int hns_roce_v2_aeq_int(struct hn
le64_to_cpu(aeqe->event.cmd.out_param));
break;
case HNS_ROCE_EVENT_TYPE_CEQ_OVERFLOW:
- dev_warn(dev, "CEQ overflow.\n");
break;
case HNS_ROCE_EVENT_TYPE_FLR:
- dev_warn(dev, "Function level reset.\n");
break;
default:
dev_err(dev, "Unhandled event %d on EQ %d at idx %u.\n",
@@ -4304,7 +4268,7 @@ static int hns_roce_v2_aeq_int(struct hn
dev_warn(dev, "cons_index overflow, set back to 0.\n");
eq->cons_index = 0;
}
- hns_roce_v2_init_irq_work(hr_dev, eq, qpn);
+ hns_roce_v2_init_irq_work(hr_dev, eq, qpn, cqn);
}
set_eq_cons_index_v2(eq);