From: Juan Zhou zhoujuan51@h-partners.com
Chengchang Tang (6): RDMA/hns: Fix context dca configuration RDMA/hns: Fix potential NULL pointer in DCA memory query RDMA/hns: Fix registering dca debugfs when dca has not been set RDMA/hns: Fix printing level of asynchronous events RDMA/hns: Fix signed-unsigned mix with relational RDMA/hns: Fix unregistering device and accessing to debugfs concurrently
Junxian Huang (1): RDMA/hns: Fix the concurrency error between bond and reset.
drivers/infiniband/hw/hns/hns_roce_bond.c | 153 ++++++++++++++----- drivers/infiniband/hw/hns/hns_roce_bond.h | 1 + drivers/infiniband/hw/hns/hns_roce_dca.c | 10 +- drivers/infiniband/hw/hns/hns_roce_debugfs.c | 7 +- drivers/infiniband/hw/hns/hns_roce_hw_v2.c | 22 ++- drivers/infiniband/hw/hns/hns_roce_hw_v2.h | 4 +- drivers/infiniband/hw/hns/hns_roce_main.c | 3 +- 7 files changed, 143 insertions(+), 57 deletions(-)
driver inclusion category: bugfix bugzilla: https://gitee.com/openeuler/kernel/issues/I87LCF
--------------------------------------------------------------------------
HNS_ROCE_UCTX_RSP_DCA_FLAGS is set only if HNS_ROCE_UCTX_CONFIG_DCA is configured.
Signed-off-by: Chengchang Tang tangchengchang@huawei.com --- drivers/infiniband/hw/hns/hns_roce_main.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/drivers/infiniband/hw/hns/hns_roce_main.c b/drivers/infiniband/hw/hns/hns_roce_main.c index 2f0a5b2bbc50..7a4662a8718f 100644 --- a/drivers/infiniband/hw/hns/hns_roce_main.c +++ b/drivers/infiniband/hw/hns/hns_roce_main.c @@ -541,7 +541,8 @@ static int hns_roce_alloc_ucontext(struct ib_ucontext *uctx,
if (hr_dev->caps.flags & HNS_ROCE_CAP_FLAG_DCA_MODE) { context->config |= ucmd.config & HNS_ROCE_UCTX_CONFIG_DCA; - resp.config |= HNS_ROCE_UCTX_RSP_DCA_FLAGS; + if (context->config & HNS_ROCE_UCTX_CONFIG_DCA) + resp.config |= HNS_ROCE_UCTX_RSP_DCA_FLAGS; }
ret = hns_roce_uar_alloc(hr_dev, &context->uar);
driver inclusion category: bugfix bugzilla: https://gitee.com/openeuler/kernel/issues/I87LCF
--------------------------------------------------------------------------
The hr_qp can be a NULL pointer. A check has been added to avoid illegal access.
Fixes: f0384ddcf1ee ("RDMA/hns: Add method to query WQE buffer's address") Signed-off-by: Chengchang Tang tangchengchang@huawei.com --- drivers/infiniband/hw/hns/hns_roce_dca.c | 10 +++++++--- 1 file changed, 7 insertions(+), 3 deletions(-)
diff --git a/drivers/infiniband/hw/hns/hns_roce_dca.c b/drivers/infiniband/hw/hns/hns_roce_dca.c index 77d34c4597de..ef4eda064724 100644 --- a/drivers/infiniband/hw/hns/hns_roce_dca.c +++ b/drivers/infiniband/hw/hns/hns_roce_dca.c @@ -1752,13 +1752,17 @@ static int UVERBS_HANDLER(HNS_IB_METHOD_DCA_MEM_QUERY)( struct uverbs_attr_bundle *attrs) { struct hns_roce_qp *hr_qp = uverbs_attr_to_hr_qp(attrs); - struct hns_roce_dev *hr_dev = to_hr_dev(hr_qp->ibqp.device); - struct hns_roce_dca_ctx *ctx = hr_qp_to_dca_ctx(hr_dev, hr_qp); struct dca_page_query_active_attr active_attr = {}; + struct hns_roce_dca_ctx *ctx = NULL; + struct hns_roce_dev *hr_dev = NULL; u32 page_idx, page_ofs; int ret;
- if (!hr_qp) + if (hr_qp) + hr_dev = to_hr_dev(hr_qp->ibqp.device); + if (hr_dev) + ctx = hr_qp_to_dca_ctx(hr_dev, hr_qp); + if (!ctx) return -EINVAL;
ret = uverbs_copy_from(&page_idx, attrs,
driver inclusion category: bugfix bugzilla: https://gitee.com/openeuler/kernel/issues/I87LCF
--------------------------------------------------------------------------
DCA debugfs is not needed when DCA is not set for this ucontext.
Fixes: a21781182f77 ("RDMA/hns: Add debugfs support for DCA") Signed-off-by: Chengchang Tang tangchengchang@huawei.com --- drivers/infiniband/hw/hns/hns_roce_debugfs.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/infiniband/hw/hns/hns_roce_debugfs.c b/drivers/infiniband/hw/hns/hns_roce_debugfs.c index cacdeb4d9fad..8df480aa37a4 100644 --- a/drivers/infiniband/hw/hns/hns_roce_debugfs.c +++ b/drivers/infiniband/hw/hns/hns_roce_debugfs.c @@ -508,7 +508,7 @@ void hns_roce_register_uctx_debugfs(struct hns_roce_dev *hr_dev, return;
dca_dbgfs = dev_dbgfs->dca_root; - if (dca_dbgfs) { + if (dca_dbgfs && (uctx->config & HNS_ROCE_UCTX_CONFIG_DCA)) { uctx->dca_dbgfs = kzalloc(sizeof(struct hns_dca_ctx_debugfs), GFP_KERNEL); if (!uctx->dca_dbgfs)
driver inclusion category: bugfix bugzilla: https://gitee.com/openeuler/kernel/issues/I87LIY
--------------------------------------------------------------------------
The current driver will print all asynchronous events. Some of the print levels are set improperly, e.g. SRQ limit reach and SRQ last wqe reach, which may also occur during normal operation of the software. Currently, the information of these event is printed as a warning, which causes a large amount of printing even during normal use of the application. As a result, the service performance deteriorates.
This patch fixes the printing storms by modifying the print level.
Signed-off-by: Chengchang Tang tangchengchang@huawei.com --- drivers/infiniband/hw/hns/hns_roce_hw_v2.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/drivers/infiniband/hw/hns/hns_roce_hw_v2.c b/drivers/infiniband/hw/hns/hns_roce_hw_v2.c index 63715443bd7d..eb7a292abf0c 100644 --- a/drivers/infiniband/hw/hns/hns_roce_hw_v2.c +++ b/drivers/infiniband/hw/hns/hns_roce_hw_v2.c @@ -6240,7 +6240,7 @@ static void hns_roce_irq_work_handle(struct work_struct *work) case HNS_ROCE_EVENT_TYPE_COMM_EST: break; case HNS_ROCE_EVENT_TYPE_SQ_DRAINED: - ibdev_warn(ibdev, "Send queue drained.\n"); + ibdev_dbg(ibdev, "Send queue drained.\n"); break; case HNS_ROCE_EVENT_TYPE_WQ_CATAS_ERROR: ibdev_err(ibdev, "Local work queue 0x%x catast error, sub_event type is: %d\n", @@ -6255,10 +6255,10 @@ static void hns_roce_irq_work_handle(struct work_struct *work) irq_work->queue_num, irq_work->sub_type); break; case HNS_ROCE_EVENT_TYPE_SRQ_LIMIT_REACH: - ibdev_warn(ibdev, "SRQ limit reach.\n"); + ibdev_dbg(ibdev, "SRQ limit reach.\n"); break; case HNS_ROCE_EVENT_TYPE_SRQ_LAST_WQE_REACH: - ibdev_warn(ibdev, "SRQ last wqe reach.\n"); + ibdev_dbg(ibdev, "SRQ last wqe reach.\n"); break; case HNS_ROCE_EVENT_TYPE_SRQ_CATAS_ERROR: ibdev_err(ibdev, "SRQ catas error.\n");
driver inclusion category: bugfix bugzilla: https://gitee.com/openeuler/kernel/issues/I87LLN
--------------------------------------------------------------------------
The ib_mtu_enum_to_int() and uverbs_attr_get_len() may returns a negative value. In this case, mixed comparisons of signed and unsigned types will throw wrong results.
This patch adds judgement for this situation.
Fixes: 30b707886aeb ("RDMA/hns: Support inline data in extented sge space for RC") Signed-off-by: Chengchang Tang tangchengchang@huawei.com --- drivers/infiniband/hw/hns/hns_roce_hw_v2.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/infiniband/hw/hns/hns_roce_hw_v2.c b/drivers/infiniband/hw/hns/hns_roce_hw_v2.c index eb7a292abf0c..88dca31867a6 100644 --- a/drivers/infiniband/hw/hns/hns_roce_hw_v2.c +++ b/drivers/infiniband/hw/hns/hns_roce_hw_v2.c @@ -282,7 +282,7 @@ static bool check_inl_data_len(struct hns_roce_qp *qp, unsigned int len) struct hns_roce_dev *hr_dev = to_hr_dev(qp->ibqp.device); int mtu = ib_mtu_enum_to_int(qp->path_mtu);
- if (len > qp->max_inline_data || len > mtu) { + if (mtu < 0 || len > qp->max_inline_data || len > mtu) { ibdev_err(&hr_dev->ib_dev, "invalid length of data, data len = %u, max inline len = %u, path mtu = %d.\n", len, qp->max_inline_data, mtu);
driver inclusion category: bugfix bugzilla: https://gitee.com/openeuler/kernel/issues/I87LCF
--------------------------------------------------------------------------
When unregistering the device or destroying of ucontext and accessing dca debugfs concurrently, there may be a problem of accessing a null pointer.
This patch fixes it by delaying the pointer assignment to null until debugfs has been unregistered.
Fixes: a21781182f77 ("RDMA/hns: Add debugfs support for DCA") Signed-off-by: Chengchang Tang tangchengchang@huawei.com --- drivers/infiniband/hw/hns/hns_roce_debugfs.c | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-)
diff --git a/drivers/infiniband/hw/hns/hns_roce_debugfs.c b/drivers/infiniband/hw/hns/hns_roce_debugfs.c index 8df480aa37a4..35d81e7546ed 100644 --- a/drivers/infiniband/hw/hns/hns_roce_debugfs.c +++ b/drivers/infiniband/hw/hns/hns_roce_debugfs.c @@ -525,8 +525,8 @@ void hns_roce_unregister_uctx_debugfs(struct hns_roce_dev *hr_dev, struct hns_dca_ctx_debugfs *dbgfs = uctx->dca_dbgfs;
if (dbgfs) { - uctx->dca_dbgfs = NULL; cleanup_dca_ctx_debugfs(dbgfs); + uctx->dca_dbgfs = NULL; kfree(dbgfs); } } @@ -567,14 +567,13 @@ void hns_roce_unregister_debugfs(struct hns_roce_dev *hr_dev) if (!dbgfs) return;
- hr_dev->dbgfs = NULL; - if (dbgfs->dca_root) { destroy_dca_debugfs(dbgfs->dca_root); dbgfs->dca_root = NULL; }
debugfs_remove_recursive(dbgfs->root); + hr_dev->dbgfs = NULL; kfree(dbgfs); }
From: Junxian Huang huangjunxian6@hisilicon.com
driver inclusion category: bugfix bugzilla: https://gitee.com/openeuler/kernel/issues/I87LSW
--------------------------------------------------------------------------
In the concurrency process between setting bond and reset, when the reset process is finished, the driver detects that bond resource has already been allocated, thus entering the bond recover process, where the bond state is set to HNS_ROCE_BOND_IS_BONDED. But at this point the set bond process hasn't been executed yet(i.e. slaves haven't been uninited). This wrong bond state leads to the abnormal reset result that 2 slaves are both registered as bond device.
Thus delete the bond state setting in bond recover process. Besides, to fix other potential concurrency errors between bond and reset, some improvements are also added:
1. For the situation that reset occurs before bond work, add a reset check at the beginning of bond work. If there is an ongoing reset process, re-queue the bond work until the reset is finished.
2. For the situation that reset occurs during bond work, add reset checks to bond init/uninit process, treating this situation as an abnormal case.
Fixes: b0f80ad22f96 ("RDMA/hns: Support reset recovery for RoCE bonding") Signed-off-by: Junxian Huang huangjunxian6@hisilicon.com --- drivers/infiniband/hw/hns/hns_roce_bond.c | 153 +++++++++++++++------ drivers/infiniband/hw/hns/hns_roce_bond.h | 1 + drivers/infiniband/hw/hns/hns_roce_hw_v2.c | 14 +- drivers/infiniband/hw/hns/hns_roce_hw_v2.h | 4 +- 4 files changed, 127 insertions(+), 45 deletions(-)
diff --git a/drivers/infiniband/hw/hns/hns_roce_bond.c b/drivers/infiniband/hw/hns/hns_roce_bond.c index 2f92ed730b78..7ee059a84d07 100644 --- a/drivers/infiniband/hw/hns/hns_roce_bond.c +++ b/drivers/infiniband/hw/hns/hns_roce_bond.c @@ -212,8 +212,11 @@ static void hns_roce_set_bond(struct hns_roce_bond_group *bond_grp)
for (i = ROCE_BOND_FUNC_MAX - 1; i >= 0; i--) { net_dev = bond_grp->bond_func_info[i].net_dev; - if (net_dev) - hns_roce_bond_uninit_client(bond_grp, i); + if (net_dev) { + ret = hns_roce_bond_uninit_client(bond_grp, i); + if (ret) + goto set_err; + } }
bond_grp->bond_state = HNS_ROCE_BOND_REGISTERING; @@ -235,15 +238,19 @@ static void hns_roce_set_bond(struct hns_roce_bond_group *bond_grp)
ret = bond_grp->main_hr_dev ? hns_roce_cmd_bond(bond_grp, HNS_ROCE_SET_BOND) : -EIO; + if (ret) + goto set_err;
bond_grp->bond_state = HNS_ROCE_BOND_IS_BONDED; complete(&bond_grp->bond_work_done); + ibdev_info(&bond_grp->main_hr_dev->ib_dev, "RoCE set bond finished!\n");
- if (ret) - BOND_ERR_LOG("failed to set RoCE bond, ret = %d.\n", ret); - else - ibdev_info(&bond_grp->main_hr_dev->ib_dev, - "RoCE set bond finished!\n"); + return; + +set_err: + bond_grp->bond_state = HNS_ROCE_BOND_NOT_BONDED; + BOND_ERR_LOG("failed to set RoCE bond, ret = %d.\n", ret); + hns_roce_cleanup_bond(bond_grp); }
static void hns_roce_clear_bond(struct hns_roce_bond_group *bond_grp) @@ -259,7 +266,11 @@ static void hns_roce_clear_bond(struct hns_roce_bond_group *bond_grp) bond_grp->bond_state = HNS_ROCE_BOND_NOT_BONDED; bond_grp->main_hr_dev = NULL;
- hns_roce_bond_uninit_client(bond_grp, main_func_idx); + ret = hns_roce_bond_uninit_client(bond_grp, main_func_idx); + if (ret) { + BOND_ERR_LOG("failed to uninit bond, ret = %d.\n", ret); + return; + }
for (i = 0; i < ROCE_BOND_FUNC_MAX; i++) { net_dev = bond_grp->bond_func_info[i].net_dev; @@ -273,8 +284,7 @@ static void hns_roce_clear_bond(struct hns_roce_bond_group *bond_grp) out: ret = hns_roce_cleanup_bond(bond_grp); if (!ret) - ibdev_info(&bond_grp->main_hr_dev->ib_dev, - "RoCE clear bond finished!\n"); + ibdev_info(&hr_dev->ib_dev, "RoCE clear bond finished!\n"); }
static void hns_roce_slave_changestate(struct hns_roce_bond_group *bond_grp) @@ -304,8 +314,15 @@ static void hns_roce_slave_inc(struct hns_roce_bond_group *bond_grp) int ret;
while (inc_slave_map > 0) { - if (inc_slave_map & 1) - hns_roce_bond_uninit_client(bond_grp, inc_func_idx); + if (inc_slave_map & 1) { + ret = hns_roce_bond_uninit_client(bond_grp, inc_func_idx); + if (ret) { + BOND_ERR_LOG("failed to uninit slave %u, ret = %d.\n", + inc_func_idx, ret); + bond_grp->bond_func_info[inc_func_idx].net_dev = NULL; + bond_grp->slave_map &= ~(1U << inc_func_idx); + } + } inc_slave_map >>= 1; inc_func_idx++; } @@ -326,36 +343,67 @@ static void hns_roce_slave_inc(struct hns_roce_bond_group *bond_grp) "RoCE slave increase finished!\n"); }
+static int switch_main_dev(struct hns_roce_bond_group *bond_grp, + u32 *dec_slave_map, u8 main_func_idx) +{ + struct hns_roce_dev *hr_dev; + struct net_device *net_dev; + int ret; + int i; + + bond_grp->main_hr_dev = NULL; + ret = hns_roce_bond_uninit_client(bond_grp, main_func_idx); + if (ret) { + BOND_ERR_LOG("failed to uninit main dev %u, ret = %d.\n", + main_func_idx, ret); + *dec_slave_map &= ~(1U << main_func_idx); + bond_grp->slave_map |= (1U << main_func_idx); + return ret; + } + + for (i = 0; i < ROCE_BOND_FUNC_MAX; i++) { + net_dev = bond_grp->bond_func_info[i].net_dev; + if (!(*dec_slave_map & (1 << i)) && net_dev) { + bond_grp->bond_state = HNS_ROCE_BOND_REGISTERING; + hr_dev = hns_roce_bond_init_client(bond_grp, i); + if (hr_dev) { + bond_grp->main_hr_dev = hr_dev; + break; + } + } + } + + if (!bond_grp->main_hr_dev) + return -ENODEV; + + return 0; +} + static void hns_roce_slave_dec(struct hns_roce_bond_group *bond_grp) { u8 main_func_idx = PCI_FUNC(bond_grp->main_hr_dev->pci_dev->devfn); u32 dec_slave_map = bond_grp->slave_map_diff; - struct hns_roce_dev *hr_dev; struct net_device *net_dev; u8 dec_func_idx = 0; int ret; int i;
if (dec_slave_map & (1 << main_func_idx)) { - bond_grp->main_hr_dev = NULL; - hns_roce_bond_uninit_client(bond_grp, main_func_idx); - for (i = 0; i < ROCE_BOND_FUNC_MAX; i++) { - net_dev = bond_grp->bond_func_info[i].net_dev; - if (!(dec_slave_map & (1 << i)) && net_dev) { - bond_grp->bond_state = HNS_ROCE_BOND_REGISTERING; - hr_dev = hns_roce_bond_init_client(bond_grp, i); - if (hr_dev) { - bond_grp->main_hr_dev = hr_dev; - break; - } - } - } + ret = switch_main_dev(bond_grp, &dec_slave_map, main_func_idx); + if (ret == -ENODEV) + goto dec_err; }
while (dec_slave_map > 0) { if (dec_slave_map & 1) { + net_dev = bond_grp->bond_func_info[dec_func_idx].net_dev; bond_grp->bond_func_info[dec_func_idx].net_dev = NULL; - hns_roce_bond_init_client(bond_grp, dec_func_idx); + if (!hns_roce_bond_init_client(bond_grp, dec_func_idx)) { + BOND_ERR_LOG("failed to re-init slave %u.\n", + dec_func_idx); + bond_grp->slave_map |= (1U << dec_func_idx); + bond_grp->bond_func_info[dec_func_idx].net_dev = net_dev; + } } dec_slave_map >>= 1; dec_func_idx++; @@ -366,16 +414,20 @@ static void hns_roce_slave_dec(struct hns_roce_bond_group *bond_grp)
ret = bond_grp->main_hr_dev ? hns_roce_cmd_bond(bond_grp, HNS_ROCE_CHANGE_BOND) : -EIO; + if (ret) + goto dec_err;
bond_grp->bond_state = HNS_ROCE_BOND_IS_BONDED; complete(&bond_grp->bond_work_done); + ibdev_info(&bond_grp->main_hr_dev->ib_dev, + "RoCE slave decrease finished!\n");
- if (ret) - BOND_ERR_LOG("failed to decrease RoCE bond slave, ret = %d.\n", - ret); - else - ibdev_info(&bond_grp->main_hr_dev->ib_dev, - "RoCE slave decrease finished!\n"); + return; + +dec_err: + bond_grp->bond_state = HNS_ROCE_BOND_NOT_BONDED; + BOND_ERR_LOG("failed to decrease RoCE bond slave, ret = %d.\n", ret); + hns_roce_cleanup_bond(bond_grp); }
static void hns_roce_do_bond(struct hns_roce_bond_group *bond_grp) @@ -415,7 +467,25 @@ static void hns_roce_do_bond(struct hns_roce_bond_group *bond_grp) } }
-void hns_roce_do_bond_work(struct work_struct *work) +bool is_bond_slave_in_reset(struct hns_roce_bond_group *bond_grp) +{ + struct hnae3_handle *handle; + struct net_device *net_dev; + int i; + + for (i = 0; i < ROCE_BOND_FUNC_MAX; i++) { + net_dev = bond_grp->bond_func_info[i].net_dev; + handle = bond_grp->bond_func_info[i].handle; + if (net_dev && handle && + handle->rinfo.reset_state != HNS_ROCE_STATE_NON_RST && + handle->rinfo.reset_state != HNS_ROCE_STATE_RST_INITED) + return true; + } + + return false; +} + +static void hns_roce_do_bond_work(struct work_struct *work) { struct delayed_work *delayed_work = to_delayed_work(work); struct hns_roce_bond_group *bond_grp = @@ -423,15 +493,19 @@ void hns_roce_do_bond_work(struct work_struct *work) bond_work); int status;
+ if (is_bond_slave_in_reset(bond_grp)) + goto queue_work; + status = mutex_trylock(&roce_bond_mutex); - if (!status) { - /* delay 1 sec */ - hns_roce_queue_bond_work(bond_grp, HZ); - return; - } + if (!status) + goto queue_work;
hns_roce_do_bond(bond_grp); mutex_unlock(&roce_bond_mutex); + return; + +queue_work: + hns_roce_queue_bond_work(bond_grp, HZ); }
int hns_roce_bond_init(struct hns_roce_dev *hr_dev) @@ -453,7 +527,6 @@ int hns_roce_bond_init(struct hns_roce_dev *hr_dev) ret); return ret; } - bond_grp->bond_state = HNS_ROCE_BOND_IS_BONDED; }
hr_dev->bond_nb.notifier_call = hns_roce_bond_event; diff --git a/drivers/infiniband/hw/hns/hns_roce_bond.h b/drivers/infiniband/hw/hns/hns_roce_bond.h index c9de9315d0da..e75fe75f7f4f 100644 --- a/drivers/infiniband/hw/hns/hns_roce_bond.h +++ b/drivers/infiniband/hw/hns/hns_roce_bond.h @@ -87,5 +87,6 @@ bool hns_roce_bond_is_active(struct hns_roce_dev *hr_dev); struct net_device *hns_roce_get_bond_netdev(struct hns_roce_dev *hr_dev); struct hns_roce_bond_group *hns_roce_get_bond_grp(struct net_device *net_dev, u8 bus_num); +bool is_bond_slave_in_reset(struct hns_roce_bond_group *bond_grp);
#endif diff --git a/drivers/infiniband/hw/hns/hns_roce_hw_v2.c b/drivers/infiniband/hw/hns/hns_roce_hw_v2.c index 88dca31867a6..5a7817f6d25a 100644 --- a/drivers/infiniband/hw/hns/hns_roce_hw_v2.c +++ b/drivers/infiniband/hw/hns/hns_roce_hw_v2.c @@ -7401,6 +7401,9 @@ struct hns_roce_dev if (!handle || !handle->client) return NULL;
+ if (is_bond_slave_in_reset(bond_grp)) + return NULL; + ret = hns_roce_hw_v2_init_instance(handle); if (ret) return NULL; @@ -7408,19 +7411,24 @@ struct hns_roce_dev return handle->priv; }
-void hns_roce_bond_uninit_client(struct hns_roce_bond_group *bond_grp, - int func_idx) +int hns_roce_bond_uninit_client(struct hns_roce_bond_group *bond_grp, + int func_idx) { struct hnae3_handle *handle = bond_grp->bond_func_info[func_idx].handle;
if (handle->rinfo.instance_state != HNS_ROCE_STATE_INITED) - return; + return -EPERM; + + if (is_bond_slave_in_reset(bond_grp)) + return -EBUSY;
handle->rinfo.instance_state = HNS_ROCE_STATE_BOND_UNINIT;
__hns_roce_hw_v2_uninit_instance(handle, false, false);
handle->rinfo.instance_state = HNS_ROCE_STATE_NON_INIT; + + return 0; }
static void hns_roce_v2_reset_notify_user(struct hns_roce_dev *hr_dev) diff --git a/drivers/infiniband/hw/hns/hns_roce_hw_v2.h b/drivers/infiniband/hw/hns/hns_roce_hw_v2.h index f4cb1ed55b3f..cbcd0f6531a4 100644 --- a/drivers/infiniband/hw/hns/hns_roce_hw_v2.h +++ b/drivers/infiniband/hw/hns/hns_roce_hw_v2.h @@ -1590,8 +1590,8 @@ struct hns_roce_bond_info { struct hns_roce_dev *hns_roce_bond_init_client(struct hns_roce_bond_group *bond_grp, int func_idx); -void hns_roce_bond_uninit_client(struct hns_roce_bond_group *bond_grp, - int func_idx); +int hns_roce_bond_uninit_client(struct hns_roce_bond_group *bond_grp, + int func_idx); int hns_roce_v2_destroy_qp(struct ib_qp *ibqp, struct ib_udata *udata);
int hns_roce_v2_destroy_qp_common(struct hns_roce_dev *hr_dev,
-
Chengchang Tang