From 01b671170d7f82b959dad6d5dbb44d7a915e647d Mon Sep 17 00:00:00 2001 From: Parav Pandit Date: Fri, 16 Nov 2018 03:50:57 +0200 Subject: RDMA/core: Sync unregistration with netlink commands When the rdma device is getting removed, get resource info can race with device removal, as below: CPU-0 CPU-1 -------- -------- rdma_nl_rcv_msg() nldev_res_get_cq_dumpit() mutex_lock(device_lock); get device reference mutex_unlock(device_lock); [..] ib_unregister_device() /* Valid reference to * device->dev exists. */ ib_dealloc_device() [..] provider->fill_res_entry(); Even though device object is not freed, fill_res_entry() can get called on device which doesn't have a driver anymore. Kernel core device reference count is not sufficient, as this only keeps the structure valid, and doesn't guarantee the driver is still loaded. Similar race can occur with device renaming and device removal, where device_rename() tries to rename a unregistered device. While this is fine for devices of a class which are not net namespace aware, but it is incorrect for net namespace aware class coming in subsequent series. If a class is net namespace aware, then the below [1] call trace is observed in above situation. Therefore, to avoid the race, keep a reference count and let device unregistration wait until all netlink users drop the reference. [1] Call trace: kernfs: ns required in 'infiniband' for 'mlx5_0' WARNING: CPU: 18 PID: 44270 at fs/kernfs/dir.c:842 kernfs_find_ns+0x104/0x120 libahci i2c_core mlxfw libata dca [last unloaded: devlink] RIP: 0010:kernfs_find_ns+0x104/0x120 Call Trace: kernfs_find_and_get_ns+0x2e/0x50 sysfs_rename_link_ns+0x40/0xb0 device_rename+0xb2/0xf0 ib_device_rename+0xb3/0x100 [ib_core] nldev_set_doit+0x165/0x190 [ib_core] rdma_nl_rcv_msg+0x249/0x250 [ib_core] ? netlink_deliver_tap+0x8f/0x3e0 rdma_nl_rcv+0xd6/0x120 [ib_core] netlink_unicast+0x17c/0x230 netlink_sendmsg+0x2f0/0x3e0 sock_sendmsg+0x30/0x40 __sys_sendto+0xdc/0x160 Fixes: da5c85078215 ("RDMA/nldev: add driver-specific resource tracking") Signed-off-by: Parav Pandit Signed-off-by: Leon Romanovsky Signed-off-by: Jason Gunthorpe --- drivers/infiniband/core/nldev.c | 20 ++++++++++---------- 1 file changed, 10 insertions(+), 10 deletions(-) (limited to 'drivers/infiniband/core/nldev.c') diff --git a/drivers/infiniband/core/nldev.c b/drivers/infiniband/core/nldev.c index 573399e3ccc1..63cc74483188 100644 --- a/drivers/infiniband/core/nldev.c +++ b/drivers/infiniband/core/nldev.c @@ -636,13 +636,13 @@ static int nldev_get_doit(struct sk_buff *skb, struct nlmsghdr *nlh, nlmsg_end(msg, nlh); - put_device(&device->dev); + ib_device_put(device); return rdma_nl_unicast(msg, NETLINK_CB(skb).portid); err_free: nlmsg_free(msg); err: - put_device(&device->dev); + ib_device_put(device); return err; } @@ -672,7 +672,7 @@ static int nldev_set_doit(struct sk_buff *skb, struct nlmsghdr *nlh, err = ib_device_rename(device, name); } - put_device(&device->dev); + ib_device_put(device); return err; } @@ -756,14 +756,14 @@ static int nldev_port_get_doit(struct sk_buff *skb, struct nlmsghdr *nlh, goto err_free; nlmsg_end(msg, nlh); - put_device(&device->dev); + ib_device_put(device); return rdma_nl_unicast(msg, NETLINK_CB(skb).portid); err_free: nlmsg_free(msg); err: - put_device(&device->dev); + ib_device_put(device); return err; } @@ -820,7 +820,7 @@ static int nldev_port_get_dumpit(struct sk_buff *skb, } out: - put_device(&device->dev); + ib_device_put(device); cb->args[0] = idx; return skb->len; } @@ -859,13 +859,13 @@ static int nldev_res_get_doit(struct sk_buff *skb, struct nlmsghdr *nlh, goto err_free; nlmsg_end(msg, nlh); - put_device(&device->dev); + ib_device_put(device); return rdma_nl_unicast(msg, NETLINK_CB(skb).portid); err_free: nlmsg_free(msg); err: - put_device(&device->dev); + ib_device_put(device); return ret; } @@ -1058,7 +1058,7 @@ next: idx++; if (!filled) goto err; - put_device(&device->dev); + ib_device_put(device); return skb->len; res_err: @@ -1069,7 +1069,7 @@ err: nlmsg_cancel(skb, nlh); err_index: - put_device(&device->dev); + ib_device_put(device); return ret; } -- cgit v1.2.3-55-g7522 From ffd321e4b7e4617e7fad663af0f59bb4e0c20c34 Mon Sep 17 00:00:00 2001 From: Leon Romanovsky Date: Wed, 28 Nov 2018 13:16:45 +0200 Subject: RDMA/nldev: Export to user space number of contexts [leonro@server ~]$ rdma res show 1: mlx5_0: pd 3 cq 5 qp 4 cm_id 0 mr 0 ctx 0 Signed-off-by: Leon Romanovsky Signed-off-by: Doug Ledford --- drivers/infiniband/core/nldev.c | 1 + 1 file changed, 1 insertion(+) (limited to 'drivers/infiniband/core/nldev.c') diff --git a/drivers/infiniband/core/nldev.c b/drivers/infiniband/core/nldev.c index 63cc74483188..9abbadb9e366 100644 --- a/drivers/infiniband/core/nldev.c +++ b/drivers/infiniband/core/nldev.c @@ -308,6 +308,7 @@ static int fill_res_info(struct sk_buff *msg, struct ib_device *device) [RDMA_RESTRACK_QP] = "qp", [RDMA_RESTRACK_CM_ID] = "cm_id", [RDMA_RESTRACK_MR] = "mr", + [RDMA_RESTRACK_CTX] = "ctx", }; struct rdma_restrack_root *res = &device->res; -- cgit v1.2.3-55-g7522 From 3023a1e93656c02b8d6a3a46e712b815843fa514 Mon Sep 17 00:00:00 2001 From: Kamal Heib Date: Mon, 10 Dec 2018 21:09:48 +0200 Subject: RDMA: Start use ib_device_ops Make all the required change to start use the ib_device_ops structure. Signed-off-by: Kamal Heib Signed-off-by: Jason Gunthorpe --- drivers/infiniband/core/cache.c | 12 +- drivers/infiniband/core/core_priv.h | 12 +- drivers/infiniband/core/cq.c | 6 +- drivers/infiniband/core/device.c | 211 +++++++------- drivers/infiniband/core/fmr_pool.c | 4 +- drivers/infiniband/core/mad.c | 22 +- drivers/infiniband/core/nldev.c | 4 +- drivers/infiniband/core/opa_smi.h | 4 +- drivers/infiniband/core/rdma_core.c | 6 +- drivers/infiniband/core/security.c | 8 +- drivers/infiniband/core/smi.h | 4 +- drivers/infiniband/core/sysfs.c | 28 +- drivers/infiniband/core/ucm.c | 2 +- drivers/infiniband/core/uverbs_cmd.c | 60 ++-- drivers/infiniband/core/uverbs_main.c | 14 +- drivers/infiniband/core/uverbs_std_types.c | 2 +- .../infiniband/core/uverbs_std_types_counters.c | 10 +- drivers/infiniband/core/uverbs_std_types_cq.c | 6 +- drivers/infiniband/core/uverbs_std_types_dm.c | 6 +- .../infiniband/core/uverbs_std_types_flow_action.c | 14 +- drivers/infiniband/core/uverbs_std_types_mr.c | 4 +- drivers/infiniband/core/uverbs_uapi.c | 3 +- drivers/infiniband/core/verbs.c | 159 +++++------ drivers/infiniband/hw/i40iw/i40iw_cm.c | 2 +- drivers/infiniband/hw/mlx4/alias_GUID.c | 2 +- drivers/infiniband/hw/mlx5/main.c | 2 +- drivers/infiniband/hw/nes/nes_cm.c | 2 +- drivers/infiniband/sw/rdmavt/vt.c | 16 +- drivers/infiniband/ulp/ipoib/ipoib_main.c | 4 +- drivers/infiniband/ulp/iser/iser_memory.c | 4 +- drivers/infiniband/ulp/opa_vnic/opa_vnic_netdev.c | 8 +- drivers/infiniband/ulp/srp/ib_srp.c | 6 +- fs/cifs/smbdirect.c | 2 +- include/rdma/ib_verbs.h | 303 +-------------------- include/rdma/uverbs_ioctl.h | 12 +- net/rds/ib.c | 4 +- net/sunrpc/xprtrdma/fmr_ops.c | 2 +- 37 files changed, 353 insertions(+), 617 deletions(-) (limited to 'drivers/infiniband/core/nldev.c') diff --git a/drivers/infiniband/core/cache.c b/drivers/infiniband/core/cache.c index 5b2fce4a7091..22e20ed5a393 100644 --- a/drivers/infiniband/core/cache.c +++ b/drivers/infiniband/core/cache.c @@ -217,7 +217,7 @@ static void free_gid_entry_locked(struct ib_gid_table_entry *entry) if (rdma_cap_roce_gid_table(device, port_num) && entry->state != GID_TABLE_ENTRY_INVALID) - device->del_gid(&entry->attr, &entry->context); + device->ops.del_gid(&entry->attr, &entry->context); write_lock_irq(&table->rwlock); @@ -324,7 +324,7 @@ static int add_roce_gid(struct ib_gid_table_entry *entry) return -EINVAL; } if (rdma_cap_roce_gid_table(attr->device, attr->port_num)) { - ret = attr->device->add_gid(attr, &entry->context); + ret = attr->device->ops.add_gid(attr, &entry->context); if (ret) { dev_err(&attr->device->dev, "%s GID add failed port=%d index=%d\n", @@ -548,8 +548,8 @@ int ib_cache_gid_add(struct ib_device *ib_dev, u8 port, unsigned long mask; int ret; - if (ib_dev->get_netdev) { - idev = ib_dev->get_netdev(ib_dev, port); + if (ib_dev->ops.get_netdev) { + idev = ib_dev->ops.get_netdev(ib_dev, port); if (idev && attr->ndev != idev) { union ib_gid default_gid; @@ -1296,9 +1296,9 @@ static int config_non_roce_gid_cache(struct ib_device *device, mutex_lock(&table->lock); for (i = 0; i < gid_tbl_len; ++i) { - if (!device->query_gid) + if (!device->ops.query_gid) continue; - ret = device->query_gid(device, port, i, &gid_attr.gid); + ret = device->ops.query_gid(device, port, i, &gid_attr.gid); if (ret) { dev_warn(&device->dev, "query_gid failed (%d) for index %d\n", ret, diff --git a/drivers/infiniband/core/core_priv.h b/drivers/infiniband/core/core_priv.h index cc7535c5e192..cea92624f9d4 100644 --- a/drivers/infiniband/core/core_priv.h +++ b/drivers/infiniband/core/core_priv.h @@ -215,10 +215,10 @@ static inline int ib_security_modify_qp(struct ib_qp *qp, int qp_attr_mask, struct ib_udata *udata) { - return qp->device->modify_qp(qp->real_qp, - qp_attr, - qp_attr_mask, - udata); + return qp->device->ops.modify_qp(qp->real_qp, + qp_attr, + qp_attr_mask, + udata); } static inline int ib_create_qp_security(struct ib_qp *qp, @@ -280,10 +280,10 @@ static inline struct ib_qp *_ib_create_qp(struct ib_device *dev, { struct ib_qp *qp; - if (!dev->create_qp) + if (!dev->ops.create_qp) return ERR_PTR(-EOPNOTSUPP); - qp = dev->create_qp(pd, attr, udata); + qp = dev->ops.create_qp(pd, attr, udata); if (IS_ERR(qp)) return qp; diff --git a/drivers/infiniband/core/cq.c b/drivers/infiniband/core/cq.c index b1e5365ddafa..7fb4f64ae933 100644 --- a/drivers/infiniband/core/cq.c +++ b/drivers/infiniband/core/cq.c @@ -145,7 +145,7 @@ struct ib_cq *__ib_alloc_cq(struct ib_device *dev, void *private, struct ib_cq *cq; int ret = -ENOMEM; - cq = dev->create_cq(dev, &cq_attr, NULL, NULL); + cq = dev->ops.create_cq(dev, &cq_attr, NULL, NULL); if (IS_ERR(cq)) return cq; @@ -193,7 +193,7 @@ out_free_wc: kfree(cq->wc); rdma_restrack_del(&cq->res); out_destroy_cq: - cq->device->destroy_cq(cq); + cq->device->ops.destroy_cq(cq); return ERR_PTR(ret); } EXPORT_SYMBOL(__ib_alloc_cq); @@ -225,7 +225,7 @@ void ib_free_cq(struct ib_cq *cq) kfree(cq->wc); rdma_restrack_del(&cq->res); - ret = cq->device->destroy_cq(cq); + ret = cq->device->ops.destroy_cq(cq); WARN_ON_ONCE(ret); } EXPORT_SYMBOL(ib_free_cq); diff --git a/drivers/infiniband/core/device.c b/drivers/infiniband/core/device.c index 108c62d875af..47ab34ee1a9d 100644 --- a/drivers/infiniband/core/device.c +++ b/drivers/infiniband/core/device.c @@ -96,7 +96,7 @@ static struct notifier_block ibdev_lsm_nb = { static int ib_device_check_mandatory(struct ib_device *device) { -#define IB_MANDATORY_FUNC(x) { offsetof(struct ib_device, x), #x } +#define IB_MANDATORY_FUNC(x) { offsetof(struct ib_device_ops, x), #x } static const struct { size_t offset; char *name; @@ -122,7 +122,8 @@ static int ib_device_check_mandatory(struct ib_device *device) int i; for (i = 0; i < ARRAY_SIZE(mandatory_table); ++i) { - if (!*(void **) ((void *) device + mandatory_table[i].offset)) { + if (!*(void **) ((void *) &device->ops + + mandatory_table[i].offset)) { dev_warn(&device->dev, "Device is missing mandatory function %s\n", mandatory_table[i].name); @@ -373,8 +374,8 @@ static int read_port_immutable(struct ib_device *device) return -ENOMEM; for (port = start_port; port <= end_port; ++port) { - ret = device->get_port_immutable(device, port, - &device->port_immutable[port]); + ret = device->ops.get_port_immutable( + device, port, &device->port_immutable[port]); if (ret) return ret; @@ -386,8 +387,8 @@ static int read_port_immutable(struct ib_device *device) void ib_get_device_fw_str(struct ib_device *dev, char *str) { - if (dev->get_dev_fw_str) - dev->get_dev_fw_str(dev, str); + if (dev->ops.get_dev_fw_str) + dev->ops.get_dev_fw_str(dev, str); else str[0] = '\0'; } @@ -536,7 +537,7 @@ static int setup_device(struct ib_device *device) } memset(&device->attrs, 0, sizeof(device->attrs)); - ret = device->query_device(device, &device->attrs, &uhw); + ret = device->ops.query_device(device, &device->attrs, &uhw); if (ret) { dev_warn(&device->dev, "Couldn't query the device attributes\n"); @@ -923,14 +924,14 @@ int ib_query_port(struct ib_device *device, return -EINVAL; memset(port_attr, 0, sizeof(*port_attr)); - err = device->query_port(device, port_num, port_attr); + err = device->ops.query_port(device, port_num, port_attr); if (err || port_attr->subnet_prefix) return err; if (rdma_port_get_link_layer(device, port_num) != IB_LINK_LAYER_INFINIBAND) return 0; - err = device->query_gid(device, port_num, 0, &gid); + err = device->ops.query_gid(device, port_num, 0, &gid); if (err) return err; @@ -964,8 +965,8 @@ void ib_enum_roce_netdev(struct ib_device *ib_dev, if (rdma_protocol_roce(ib_dev, port)) { struct net_device *idev = NULL; - if (ib_dev->get_netdev) - idev = ib_dev->get_netdev(ib_dev, port); + if (ib_dev->ops.get_netdev) + idev = ib_dev->ops.get_netdev(ib_dev, port); if (idev && idev->reg_state >= NETREG_UNREGISTERED) { @@ -1045,7 +1046,7 @@ int ib_query_pkey(struct ib_device *device, if (!rdma_is_port_valid(device, port_num)) return -EINVAL; - return device->query_pkey(device, port_num, index, pkey); + return device->ops.query_pkey(device, port_num, index, pkey); } EXPORT_SYMBOL(ib_query_pkey); @@ -1062,11 +1063,11 @@ int ib_modify_device(struct ib_device *device, int device_modify_mask, struct ib_device_modify *device_modify) { - if (!device->modify_device) + if (!device->ops.modify_device) return -ENOSYS; - return device->modify_device(device, device_modify_mask, - device_modify); + return device->ops.modify_device(device, device_modify_mask, + device_modify); } EXPORT_SYMBOL(ib_modify_device); @@ -1090,9 +1091,10 @@ int ib_modify_port(struct ib_device *device, if (!rdma_is_port_valid(device, port_num)) return -EINVAL; - if (device->modify_port) - rc = device->modify_port(device, port_num, port_modify_mask, - port_modify); + if (device->ops.modify_port) + rc = device->ops.modify_port(device, port_num, + port_modify_mask, + port_modify); else rc = rdma_protocol_roce(device, port_num) ? 0 : -ENOSYS; return rc; @@ -1221,6 +1223,7 @@ EXPORT_SYMBOL(ib_get_net_dev_by_params); void ib_set_device_ops(struct ib_device *dev, const struct ib_device_ops *ops) { + struct ib_device_ops *dev_ops = &dev->ops; #define SET_DEVICE_OP(ptr, name) \ do { \ if (ops->name) \ @@ -1228,92 +1231,92 @@ void ib_set_device_ops(struct ib_device *dev, const struct ib_device_ops *ops) (ptr)->name = ops->name; \ } while (0) - SET_DEVICE_OP(dev, add_gid); - SET_DEVICE_OP(dev, alloc_dm); - SET_DEVICE_OP(dev, alloc_fmr); - SET_DEVICE_OP(dev, alloc_hw_stats); - SET_DEVICE_OP(dev, alloc_mr); - SET_DEVICE_OP(dev, alloc_mw); - SET_DEVICE_OP(dev, alloc_pd); - SET_DEVICE_OP(dev, alloc_rdma_netdev); - SET_DEVICE_OP(dev, alloc_ucontext); - SET_DEVICE_OP(dev, alloc_xrcd); - SET_DEVICE_OP(dev, attach_mcast); - SET_DEVICE_OP(dev, check_mr_status); - SET_DEVICE_OP(dev, create_ah); - SET_DEVICE_OP(dev, create_counters); - SET_DEVICE_OP(dev, create_cq); - SET_DEVICE_OP(dev, create_flow); - SET_DEVICE_OP(dev, create_flow_action_esp); - SET_DEVICE_OP(dev, create_qp); - SET_DEVICE_OP(dev, create_rwq_ind_table); - SET_DEVICE_OP(dev, create_srq); - SET_DEVICE_OP(dev, create_wq); - SET_DEVICE_OP(dev, dealloc_dm); - SET_DEVICE_OP(dev, dealloc_fmr); - SET_DEVICE_OP(dev, dealloc_mw); - SET_DEVICE_OP(dev, dealloc_pd); - SET_DEVICE_OP(dev, dealloc_ucontext); - SET_DEVICE_OP(dev, dealloc_xrcd); - SET_DEVICE_OP(dev, del_gid); - SET_DEVICE_OP(dev, dereg_mr); - SET_DEVICE_OP(dev, destroy_ah); - SET_DEVICE_OP(dev, destroy_counters); - SET_DEVICE_OP(dev, destroy_cq); - SET_DEVICE_OP(dev, destroy_flow); - SET_DEVICE_OP(dev, destroy_flow_action); - SET_DEVICE_OP(dev, destroy_qp); - SET_DEVICE_OP(dev, destroy_rwq_ind_table); - SET_DEVICE_OP(dev, destroy_srq); - SET_DEVICE_OP(dev, destroy_wq); - SET_DEVICE_OP(dev, detach_mcast); - SET_DEVICE_OP(dev, disassociate_ucontext); - SET_DEVICE_OP(dev, drain_rq); - SET_DEVICE_OP(dev, drain_sq); - SET_DEVICE_OP(dev, get_dev_fw_str); - SET_DEVICE_OP(dev, get_dma_mr); - SET_DEVICE_OP(dev, get_hw_stats); - SET_DEVICE_OP(dev, get_link_layer); - SET_DEVICE_OP(dev, get_netdev); - SET_DEVICE_OP(dev, get_port_immutable); - SET_DEVICE_OP(dev, get_vector_affinity); - SET_DEVICE_OP(dev, get_vf_config); - SET_DEVICE_OP(dev, get_vf_stats); - SET_DEVICE_OP(dev, map_mr_sg); - SET_DEVICE_OP(dev, map_phys_fmr); - SET_DEVICE_OP(dev, mmap); - SET_DEVICE_OP(dev, modify_ah); - SET_DEVICE_OP(dev, modify_cq); - SET_DEVICE_OP(dev, modify_device); - SET_DEVICE_OP(dev, modify_flow_action_esp); - SET_DEVICE_OP(dev, modify_port); - SET_DEVICE_OP(dev, modify_qp); - SET_DEVICE_OP(dev, modify_srq); - SET_DEVICE_OP(dev, modify_wq); - SET_DEVICE_OP(dev, peek_cq); - SET_DEVICE_OP(dev, poll_cq); - SET_DEVICE_OP(dev, post_recv); - SET_DEVICE_OP(dev, post_send); - SET_DEVICE_OP(dev, post_srq_recv); - SET_DEVICE_OP(dev, process_mad); - SET_DEVICE_OP(dev, query_ah); - SET_DEVICE_OP(dev, query_device); - SET_DEVICE_OP(dev, query_gid); - SET_DEVICE_OP(dev, query_pkey); - SET_DEVICE_OP(dev, query_port); - SET_DEVICE_OP(dev, query_qp); - SET_DEVICE_OP(dev, query_srq); - SET_DEVICE_OP(dev, rdma_netdev_get_params); - SET_DEVICE_OP(dev, read_counters); - SET_DEVICE_OP(dev, reg_dm_mr); - SET_DEVICE_OP(dev, reg_user_mr); - SET_DEVICE_OP(dev, req_ncomp_notif); - SET_DEVICE_OP(dev, req_notify_cq); - SET_DEVICE_OP(dev, rereg_user_mr); - SET_DEVICE_OP(dev, resize_cq); - SET_DEVICE_OP(dev, set_vf_guid); - SET_DEVICE_OP(dev, set_vf_link_state); - SET_DEVICE_OP(dev, unmap_fmr); + SET_DEVICE_OP(dev_ops, add_gid); + SET_DEVICE_OP(dev_ops, alloc_dm); + SET_DEVICE_OP(dev_ops, alloc_fmr); + SET_DEVICE_OP(dev_ops, alloc_hw_stats); + SET_DEVICE_OP(dev_ops, alloc_mr); + SET_DEVICE_OP(dev_ops, alloc_mw); + SET_DEVICE_OP(dev_ops, alloc_pd); + SET_DEVICE_OP(dev_ops, alloc_rdma_netdev); + SET_DEVICE_OP(dev_ops, alloc_ucontext); + SET_DEVICE_OP(dev_ops, alloc_xrcd); + SET_DEVICE_OP(dev_ops, attach_mcast); + SET_DEVICE_OP(dev_ops, check_mr_status); + SET_DEVICE_OP(dev_ops, create_ah); + SET_DEVICE_OP(dev_ops, create_counters); + SET_DEVICE_OP(dev_ops, create_cq); + SET_DEVICE_OP(dev_ops, create_flow); + SET_DEVICE_OP(dev_ops, create_flow_action_esp); + SET_DEVICE_OP(dev_ops, create_qp); + SET_DEVICE_OP(dev_ops, create_rwq_ind_table); + SET_DEVICE_OP(dev_ops, create_srq); + SET_DEVICE_OP(dev_ops, create_wq); + SET_DEVICE_OP(dev_ops, dealloc_dm); + SET_DEVICE_OP(dev_ops, dealloc_fmr); + SET_DEVICE_OP(dev_ops, dealloc_mw); + SET_DEVICE_OP(dev_ops, dealloc_pd); + SET_DEVICE_OP(dev_ops, dealloc_ucontext); + SET_DEVICE_OP(dev_ops, dealloc_xrcd); + SET_DEVICE_OP(dev_ops, del_gid); + SET_DEVICE_OP(dev_ops, dereg_mr); + SET_DEVICE_OP(dev_ops, destroy_ah); + SET_DEVICE_OP(dev_ops, destroy_counters); + SET_DEVICE_OP(dev_ops, destroy_cq); + SET_DEVICE_OP(dev_ops, destroy_flow); + SET_DEVICE_OP(dev_ops, destroy_flow_action); + SET_DEVICE_OP(dev_ops, destroy_qp); + SET_DEVICE_OP(dev_ops, destroy_rwq_ind_table); + SET_DEVICE_OP(dev_ops, destroy_srq); + SET_DEVICE_OP(dev_ops, destroy_wq); + SET_DEVICE_OP(dev_ops, detach_mcast); + SET_DEVICE_OP(dev_ops, disassociate_ucontext); + SET_DEVICE_OP(dev_ops, drain_rq); + SET_DEVICE_OP(dev_ops, drain_sq); + SET_DEVICE_OP(dev_ops, get_dev_fw_str); + SET_DEVICE_OP(dev_ops, get_dma_mr); + SET_DEVICE_OP(dev_ops, get_hw_stats); + SET_DEVICE_OP(dev_ops, get_link_layer); + SET_DEVICE_OP(dev_ops, get_netdev); + SET_DEVICE_OP(dev_ops, get_port_immutable); + SET_DEVICE_OP(dev_ops, get_vector_affinity); + SET_DEVICE_OP(dev_ops, get_vf_config); + SET_DEVICE_OP(dev_ops, get_vf_stats); + SET_DEVICE_OP(dev_ops, map_mr_sg); + SET_DEVICE_OP(dev_ops, map_phys_fmr); + SET_DEVICE_OP(dev_ops, mmap); + SET_DEVICE_OP(dev_ops, modify_ah); + SET_DEVICE_OP(dev_ops, modify_cq); + SET_DEVICE_OP(dev_ops, modify_device); + SET_DEVICE_OP(dev_ops, modify_flow_action_esp); + SET_DEVICE_OP(dev_ops, modify_port); + SET_DEVICE_OP(dev_ops, modify_qp); + SET_DEVICE_OP(dev_ops, modify_srq); + SET_DEVICE_OP(dev_ops, modify_wq); + SET_DEVICE_OP(dev_ops, peek_cq); + SET_DEVICE_OP(dev_ops, poll_cq); + SET_DEVICE_OP(dev_ops, post_recv); + SET_DEVICE_OP(dev_ops, post_send); + SET_DEVICE_OP(dev_ops, post_srq_recv); + SET_DEVICE_OP(dev_ops, process_mad); + SET_DEVICE_OP(dev_ops, query_ah); + SET_DEVICE_OP(dev_ops, query_device); + SET_DEVICE_OP(dev_ops, query_gid); + SET_DEVICE_OP(dev_ops, query_pkey); + SET_DEVICE_OP(dev_ops, query_port); + SET_DEVICE_OP(dev_ops, query_qp); + SET_DEVICE_OP(dev_ops, query_srq); + SET_DEVICE_OP(dev_ops, rdma_netdev_get_params); + SET_DEVICE_OP(dev_ops, read_counters); + SET_DEVICE_OP(dev_ops, reg_dm_mr); + SET_DEVICE_OP(dev_ops, reg_user_mr); + SET_DEVICE_OP(dev_ops, req_ncomp_notif); + SET_DEVICE_OP(dev_ops, req_notify_cq); + SET_DEVICE_OP(dev_ops, rereg_user_mr); + SET_DEVICE_OP(dev_ops, resize_cq); + SET_DEVICE_OP(dev_ops, set_vf_guid); + SET_DEVICE_OP(dev_ops, set_vf_link_state); + SET_DEVICE_OP(dev_ops, unmap_fmr); } EXPORT_SYMBOL(ib_set_device_ops); diff --git a/drivers/infiniband/core/fmr_pool.c b/drivers/infiniband/core/fmr_pool.c index b00dfd2ad31e..7d841b689a1e 100644 --- a/drivers/infiniband/core/fmr_pool.c +++ b/drivers/infiniband/core/fmr_pool.c @@ -211,8 +211,8 @@ struct ib_fmr_pool *ib_create_fmr_pool(struct ib_pd *pd, return ERR_PTR(-EINVAL); device = pd->device; - if (!device->alloc_fmr || !device->dealloc_fmr || - !device->map_phys_fmr || !device->unmap_fmr) { + if (!device->ops.alloc_fmr || !device->ops.dealloc_fmr || + !device->ops.map_phys_fmr || !device->ops.unmap_fmr) { dev_info(&device->dev, "Device does not support FMRs\n"); return ERR_PTR(-ENOSYS); } diff --git a/drivers/infiniband/core/mad.c b/drivers/infiniband/core/mad.c index d7025cd5be28..7870823bac47 100644 --- a/drivers/infiniband/core/mad.c +++ b/drivers/infiniband/core/mad.c @@ -888,10 +888,10 @@ static int handle_outgoing_dr_smp(struct ib_mad_agent_private *mad_agent_priv, } /* No GRH for DR SMP */ - ret = device->process_mad(device, 0, port_num, &mad_wc, NULL, - (const struct ib_mad_hdr *)smp, mad_size, - (struct ib_mad_hdr *)mad_priv->mad, - &mad_size, &out_mad_pkey_index); + ret = device->ops.process_mad(device, 0, port_num, &mad_wc, NULL, + (const struct ib_mad_hdr *)smp, mad_size, + (struct ib_mad_hdr *)mad_priv->mad, + &mad_size, &out_mad_pkey_index); switch (ret) { case IB_MAD_RESULT_SUCCESS | IB_MAD_RESULT_REPLY: @@ -2305,14 +2305,12 @@ static void ib_mad_recv_done(struct ib_cq *cq, struct ib_wc *wc) } /* Give driver "right of first refusal" on incoming MAD */ - if (port_priv->device->process_mad) { - ret = port_priv->device->process_mad(port_priv->device, 0, - port_priv->port_num, - wc, &recv->grh, - (const struct ib_mad_hdr *)recv->mad, - recv->mad_size, - (struct ib_mad_hdr *)response->mad, - &mad_size, &resp_mad_pkey_index); + if (port_priv->device->ops.process_mad) { + ret = port_priv->device->ops.process_mad( + port_priv->device, 0, port_priv->port_num, wc, + &recv->grh, (const struct ib_mad_hdr *)recv->mad, + recv->mad_size, (struct ib_mad_hdr *)response->mad, + &mad_size, &resp_mad_pkey_index); if (opa) wc->pkey_index = resp_mad_pkey_index; diff --git a/drivers/infiniband/core/nldev.c b/drivers/infiniband/core/nldev.c index 9abbadb9e366..093bbfcdc53b 100644 --- a/drivers/infiniband/core/nldev.c +++ b/drivers/infiniband/core/nldev.c @@ -259,8 +259,8 @@ static int fill_port_info(struct sk_buff *msg, if (nla_put_u8(msg, RDMA_NLDEV_ATTR_PORT_PHYS_STATE, attr.phys_state)) return -EMSGSIZE; - if (device->get_netdev) - netdev = device->get_netdev(device, port); + if (device->ops.get_netdev) + netdev = device->ops.get_netdev(device, port); if (netdev && net_eq(dev_net(netdev), net)) { ret = nla_put_u32(msg, diff --git a/drivers/infiniband/core/opa_smi.h b/drivers/infiniband/core/opa_smi.h index 3bfab3505a29..af4879bdf3d6 100644 --- a/drivers/infiniband/core/opa_smi.h +++ b/drivers/infiniband/core/opa_smi.h @@ -55,7 +55,7 @@ static inline enum smi_action opa_smi_check_local_smp(struct opa_smp *smp, { /* C14-9:3 -- We're at the end of the DR segment of path */ /* C14-9:4 -- Hop Pointer = Hop Count + 1 -> give to SMA/SM */ - return (device->process_mad && + return (device->ops.process_mad && !opa_get_smp_direction(smp) && (smp->hop_ptr == smp->hop_cnt + 1)) ? IB_SMI_HANDLE : IB_SMI_DISCARD; @@ -70,7 +70,7 @@ static inline enum smi_action opa_smi_check_local_returning_smp(struct opa_smp * { /* C14-13:3 -- We're at the end of the DR segment of path */ /* C14-13:4 -- Hop Pointer == 0 -> give to SM */ - return (device->process_mad && + return (device->ops.process_mad && opa_get_smp_direction(smp) && !smp->hop_ptr) ? IB_SMI_HANDLE : IB_SMI_DISCARD; } diff --git a/drivers/infiniband/core/rdma_core.c b/drivers/infiniband/core/rdma_core.c index 7d2f1ef75025..6c4747e61d2b 100644 --- a/drivers/infiniband/core/rdma_core.c +++ b/drivers/infiniband/core/rdma_core.c @@ -820,8 +820,8 @@ static void ufile_destroy_ucontext(struct ib_uverbs_file *ufile, */ if (reason == RDMA_REMOVE_DRIVER_REMOVE) { uverbs_user_mmap_disassociate(ufile); - if (ib_dev->disassociate_ucontext) - ib_dev->disassociate_ucontext(ucontext); + if (ib_dev->ops.disassociate_ucontext) + ib_dev->ops.disassociate_ucontext(ucontext); } ib_rdmacg_uncharge(&ucontext->cg_obj, ib_dev, @@ -833,7 +833,7 @@ static void ufile_destroy_ucontext(struct ib_uverbs_file *ufile, * FIXME: Drivers are not permitted to fail dealloc_ucontext, remove * the error return. */ - ret = ib_dev->dealloc_ucontext(ucontext); + ret = ib_dev->ops.dealloc_ucontext(ucontext); WARN_ON(ret); ufile->ucontext = NULL; diff --git a/drivers/infiniband/core/security.c b/drivers/infiniband/core/security.c index 1143c0448666..1efadbccf394 100644 --- a/drivers/infiniband/core/security.c +++ b/drivers/infiniband/core/security.c @@ -626,10 +626,10 @@ int ib_security_modify_qp(struct ib_qp *qp, } if (!ret) - ret = real_qp->device->modify_qp(real_qp, - qp_attr, - qp_attr_mask, - udata); + ret = real_qp->device->ops.modify_qp(real_qp, + qp_attr, + qp_attr_mask, + udata); if (new_pps) { /* Clean up the lists and free the appropriate diff --git a/drivers/infiniband/core/smi.h b/drivers/infiniband/core/smi.h index 33c91c8a16e9..91d9b353ab85 100644 --- a/drivers/infiniband/core/smi.h +++ b/drivers/infiniband/core/smi.h @@ -67,7 +67,7 @@ static inline enum smi_action smi_check_local_smp(struct ib_smp *smp, { /* C14-9:3 -- We're at the end of the DR segment of path */ /* C14-9:4 -- Hop Pointer = Hop Count + 1 -> give to SMA/SM */ - return ((device->process_mad && + return ((device->ops.process_mad && !ib_get_smp_direction(smp) && (smp->hop_ptr == smp->hop_cnt + 1)) ? IB_SMI_HANDLE : IB_SMI_DISCARD); @@ -82,7 +82,7 @@ static inline enum smi_action smi_check_local_returning_smp(struct ib_smp *smp, { /* C14-13:3 -- We're at the end of the DR segment of path */ /* C14-13:4 -- Hop Pointer == 0 -> give to SM */ - return ((device->process_mad && + return ((device->ops.process_mad && ib_get_smp_direction(smp) && !smp->hop_ptr) ? IB_SMI_HANDLE : IB_SMI_DISCARD); } diff --git a/drivers/infiniband/core/sysfs.c b/drivers/infiniband/core/sysfs.c index 6fcce2c206c6..80f68eb0ba5c 100644 --- a/drivers/infiniband/core/sysfs.c +++ b/drivers/infiniband/core/sysfs.c @@ -462,7 +462,7 @@ static int get_perf_mad(struct ib_device *dev, int port_num, __be16 attr, u16 out_mad_pkey_index = 0; ssize_t ret; - if (!dev->process_mad) + if (!dev->ops.process_mad) return -ENOSYS; in_mad = kzalloc(sizeof *in_mad, GFP_KERNEL); @@ -481,11 +481,11 @@ static int get_perf_mad(struct ib_device *dev, int port_num, __be16 attr, if (attr != IB_PMA_CLASS_PORT_INFO) in_mad->data[41] = port_num; /* PortSelect field */ - if ((dev->process_mad(dev, IB_MAD_IGNORE_MKEY, - port_num, NULL, NULL, - (const struct ib_mad_hdr *)in_mad, mad_size, - (struct ib_mad_hdr *)out_mad, &mad_size, - &out_mad_pkey_index) & + if ((dev->ops.process_mad(dev, IB_MAD_IGNORE_MKEY, + port_num, NULL, NULL, + (const struct ib_mad_hdr *)in_mad, mad_size, + (struct ib_mad_hdr *)out_mad, &mad_size, + &out_mad_pkey_index) & (IB_MAD_RESULT_SUCCESS | IB_MAD_RESULT_REPLY)) != (IB_MAD_RESULT_SUCCESS | IB_MAD_RESULT_REPLY)) { ret = -EINVAL; @@ -786,7 +786,7 @@ static int update_hw_stats(struct ib_device *dev, struct rdma_hw_stats *stats, if (time_is_after_eq_jiffies(stats->timestamp + stats->lifespan)) return 0; - ret = dev->get_hw_stats(dev, stats, port_num, index); + ret = dev->ops.get_hw_stats(dev, stats, port_num, index); if (ret < 0) return ret; if (ret == stats->num_counters) @@ -946,7 +946,7 @@ static void setup_hw_stats(struct ib_device *device, struct ib_port *port, struct rdma_hw_stats *stats; int i, ret; - stats = device->alloc_hw_stats(device, port_num); + stats = device->ops.alloc_hw_stats(device, port_num); if (!stats) return; @@ -964,8 +964,8 @@ static void setup_hw_stats(struct ib_device *device, struct ib_port *port, if (!hsag) goto err_free_stats; - ret = device->get_hw_stats(device, stats, port_num, - stats->num_counters); + ret = device->ops.get_hw_stats(device, stats, port_num, + stats->num_counters); if (ret != stats->num_counters) goto err_free_hsag; @@ -1057,7 +1057,7 @@ static int add_port(struct ib_device *device, int port_num, goto err_put; } - if (device->process_mad) { + if (device->ops.process_mad) { p->pma_table = get_counter_table(device, port_num); ret = sysfs_create_group(&p->kobj, p->pma_table); if (ret) @@ -1124,7 +1124,7 @@ static int add_port(struct ib_device *device, int port_num, * port, so holder should be device. Therefore skip per port conunter * initialization. */ - if (device->alloc_hw_stats && port_num) + if (device->ops.alloc_hw_stats && port_num) setup_hw_stats(device, p, port_num); list_add_tail(&p->kobj.entry, &device->port_list); @@ -1245,7 +1245,7 @@ static ssize_t node_desc_store(struct device *device, struct ib_device_modify desc = {}; int ret; - if (!dev->modify_device) + if (!dev->ops.modify_device) return -EIO; memcpy(desc.node_desc, buf, min_t(int, count, IB_DEVICE_NODE_DESC_MAX)); @@ -1341,7 +1341,7 @@ int ib_device_register_sysfs(struct ib_device *device, } } - if (device->alloc_hw_stats) + if (device->ops.alloc_hw_stats) setup_hw_stats(device, NULL, 0); return 0; diff --git a/drivers/infiniband/core/ucm.c b/drivers/infiniband/core/ucm.c index 73332b9a25b5..7541fbaf58a3 100644 --- a/drivers/infiniband/core/ucm.c +++ b/drivers/infiniband/core/ucm.c @@ -1242,7 +1242,7 @@ static void ib_ucm_add_one(struct ib_device *device) dev_t base; struct ib_ucm_device *ucm_dev; - if (!device->alloc_ucontext || !rdma_cap_ib_cm(device, 1)) + if (!device->ops.alloc_ucontext || !rdma_cap_ib_cm(device, 1)) return; ucm_dev = kzalloc(sizeof *ucm_dev, GFP_KERNEL); diff --git a/drivers/infiniband/core/uverbs_cmd.c b/drivers/infiniband/core/uverbs_cmd.c index 7f10eade7653..357d33120ca4 100644 --- a/drivers/infiniband/core/uverbs_cmd.c +++ b/drivers/infiniband/core/uverbs_cmd.c @@ -220,7 +220,7 @@ static int ib_uverbs_get_context(struct uverbs_attr_bundle *attrs) if (ret) goto err; - ucontext = ib_dev->alloc_ucontext(ib_dev, &attrs->driver_udata); + ucontext = ib_dev->ops.alloc_ucontext(ib_dev, &attrs->driver_udata); if (IS_ERR(ucontext)) { ret = PTR_ERR(ucontext); goto err_alloc; @@ -282,7 +282,7 @@ err_fd: put_unused_fd(resp.async_fd); err_free: - ib_dev->dealloc_ucontext(ucontext); + ib_dev->ops.dealloc_ucontext(ucontext); err_alloc: ib_rdmacg_uncharge(&cg_obj, ib_dev, RDMACG_RESOURCE_HCA_HANDLE); @@ -457,7 +457,7 @@ static int ib_uverbs_alloc_pd(struct uverbs_attr_bundle *attrs) if (IS_ERR(uobj)) return PTR_ERR(uobj); - pd = ib_dev->alloc_pd(ib_dev, uobj->context, &attrs->driver_udata); + pd = ib_dev->ops.alloc_pd(ib_dev, uobj->context, &attrs->driver_udata); if (IS_ERR(pd)) { ret = PTR_ERR(pd); goto err; @@ -634,8 +634,8 @@ static int ib_uverbs_open_xrcd(struct uverbs_attr_bundle *attrs) } if (!xrcd) { - xrcd = ib_dev->alloc_xrcd(ib_dev, obj->uobject.context, - &attrs->driver_udata); + xrcd = ib_dev->ops.alloc_xrcd(ib_dev, obj->uobject.context, + &attrs->driver_udata); if (IS_ERR(xrcd)) { ret = PTR_ERR(xrcd); goto err; @@ -774,8 +774,9 @@ static int ib_uverbs_reg_mr(struct uverbs_attr_bundle *attrs) } } - mr = pd->device->reg_user_mr(pd, cmd.start, cmd.length, cmd.hca_va, - cmd.access_flags, &attrs->driver_udata); + mr = pd->device->ops.reg_user_mr(pd, cmd.start, cmd.length, cmd.hca_va, + cmd.access_flags, + &attrs->driver_udata); if (IS_ERR(mr)) { ret = PTR_ERR(mr); goto err_put; @@ -864,9 +865,10 @@ static int ib_uverbs_rereg_mr(struct uverbs_attr_bundle *attrs) } old_pd = mr->pd; - ret = mr->device->rereg_user_mr(mr, cmd.flags, cmd.start, cmd.length, - cmd.hca_va, cmd.access_flags, pd, - &attrs->driver_udata); + ret = mr->device->ops.rereg_user_mr(mr, cmd.flags, cmd.start, + cmd.length, cmd.hca_va, + cmd.access_flags, pd, + &attrs->driver_udata); if (!ret) { if (cmd.flags & IB_MR_REREG_PD) { atomic_inc(&pd->usecnt); @@ -929,7 +931,7 @@ static int ib_uverbs_alloc_mw(struct uverbs_attr_bundle *attrs) goto err_free; } - mw = pd->device->alloc_mw(pd, cmd.mw_type, &attrs->driver_udata); + mw = pd->device->ops.alloc_mw(pd, cmd.mw_type, &attrs->driver_udata); if (IS_ERR(mw)) { ret = PTR_ERR(mw); goto err_put; @@ -1043,8 +1045,8 @@ static struct ib_ucq_object *create_cq(struct uverbs_attr_bundle *attrs, attr.comp_vector = cmd->comp_vector; attr.flags = cmd->flags; - cq = ib_dev->create_cq(ib_dev, &attr, obj->uobject.context, - &attrs->driver_udata); + cq = ib_dev->ops.create_cq(ib_dev, &attr, obj->uobject.context, + &attrs->driver_udata); if (IS_ERR(cq)) { ret = PTR_ERR(cq); goto err_file; @@ -1144,7 +1146,7 @@ static int ib_uverbs_resize_cq(struct uverbs_attr_bundle *attrs) if (!cq) return -EINVAL; - ret = cq->device->resize_cq(cq, cmd.cqe, &attrs->driver_udata); + ret = cq->device->ops.resize_cq(cq, cmd.cqe, &attrs->driver_udata); if (ret) goto out; @@ -2188,7 +2190,7 @@ static int ib_uverbs_post_send(struct uverbs_attr_bundle *attrs) } resp.bad_wr = 0; - ret = qp->device->post_send(qp->real_qp, wr, &bad_wr); + ret = qp->device->ops.post_send(qp->real_qp, wr, &bad_wr); if (ret) for (next = wr; next; next = next->next) { ++resp.bad_wr; @@ -2341,7 +2343,7 @@ static int ib_uverbs_post_recv(struct uverbs_attr_bundle *attrs) } resp.bad_wr = 0; - ret = qp->device->post_recv(qp->real_qp, wr, &bad_wr); + ret = qp->device->ops.post_recv(qp->real_qp, wr, &bad_wr); uobj_put_obj_read(qp); if (ret) { @@ -2391,7 +2393,7 @@ static int ib_uverbs_post_srq_recv(struct uverbs_attr_bundle *attrs) } resp.bad_wr = 0; - ret = srq->device->post_srq_recv(srq, wr, &bad_wr); + ret = srq->device->ops.post_srq_recv(srq, wr, &bad_wr); uobj_put_obj_read(srq); @@ -2961,7 +2963,7 @@ static int ib_uverbs_ex_create_wq(struct uverbs_attr_bundle *attrs) obj->uevent.events_reported = 0; INIT_LIST_HEAD(&obj->uevent.event_list); - wq = pd->device->create_wq(pd, &wq_init_attr, &attrs->driver_udata); + wq = pd->device->ops.create_wq(pd, &wq_init_attr, &attrs->driver_udata); if (IS_ERR(wq)) { err = PTR_ERR(wq); goto err_put_cq; @@ -3061,8 +3063,8 @@ static int ib_uverbs_ex_modify_wq(struct uverbs_attr_bundle *attrs) wq_attr.flags = cmd.flags; wq_attr.flags_mask = cmd.flags_mask; } - ret = wq->device->modify_wq(wq, &wq_attr, cmd.attr_mask, - &attrs->driver_udata); + ret = wq->device->ops.modify_wq(wq, &wq_attr, cmd.attr_mask, + &attrs->driver_udata); uobj_put_obj_read(wq); return ret; } @@ -3135,8 +3137,8 @@ static int ib_uverbs_ex_create_rwq_ind_table(struct uverbs_attr_bundle *attrs) init_attr.log_ind_tbl_size = cmd.log_ind_tbl_size; init_attr.ind_tbl = wqs; - rwq_ind_tbl = ib_dev->create_rwq_ind_table(ib_dev, &init_attr, - &attrs->driver_udata); + rwq_ind_tbl = ib_dev->ops.create_rwq_ind_table(ib_dev, &init_attr, + &attrs->driver_udata); if (IS_ERR(rwq_ind_tbl)) { err = PTR_ERR(rwq_ind_tbl); @@ -3323,8 +3325,8 @@ static int ib_uverbs_ex_create_flow(struct uverbs_attr_bundle *attrs) goto err_free; } - flow_id = qp->device->create_flow(qp, flow_attr, IB_FLOW_DOMAIN_USER, - &attrs->driver_udata); + flow_id = qp->device->ops.create_flow( + qp, flow_attr, IB_FLOW_DOMAIN_USER, &attrs->driver_udata); if (IS_ERR(flow_id)) { err = PTR_ERR(flow_id); @@ -3346,7 +3348,7 @@ static int ib_uverbs_ex_create_flow(struct uverbs_attr_bundle *attrs) kfree(kern_flow_attr); return uobj_alloc_commit(uobj); err_copy: - if (!qp->device->destroy_flow(flow_id)) + if (!qp->device->ops.destroy_flow(flow_id)) atomic_dec(&qp->usecnt); err_free: ib_uverbs_flow_resources_free(uflow_res); @@ -3441,7 +3443,7 @@ static int __uverbs_create_xsrq(struct uverbs_attr_bundle *attrs, obj->uevent.events_reported = 0; INIT_LIST_HEAD(&obj->uevent.event_list); - srq = pd->device->create_srq(pd, &attr, udata); + srq = pd->device->ops.create_srq(pd, &attr, udata); if (IS_ERR(srq)) { ret = PTR_ERR(srq); goto err_put; @@ -3563,8 +3565,8 @@ static int ib_uverbs_modify_srq(struct uverbs_attr_bundle *attrs) attr.max_wr = cmd.max_wr; attr.srq_limit = cmd.srq_limit; - ret = srq->device->modify_srq(srq, &attr, cmd.attr_mask, - &attrs->driver_udata); + ret = srq->device->ops.modify_srq(srq, &attr, cmd.attr_mask, + &attrs->driver_udata); uobj_put_obj_read(srq); @@ -3652,7 +3654,7 @@ static int ib_uverbs_ex_query_device(struct uverbs_attr_bundle *attrs) if (cmd.reserved) return -EINVAL; - err = ib_dev->query_device(ib_dev, &attr, &attrs->driver_udata); + err = ib_dev->ops.query_device(ib_dev, &attr, &attrs->driver_udata); if (err) return err; diff --git a/drivers/infiniband/core/uverbs_main.c b/drivers/infiniband/core/uverbs_main.c index 96a5f89bbb75..9f9172eb1512 100644 --- a/drivers/infiniband/core/uverbs_main.c +++ b/drivers/infiniband/core/uverbs_main.c @@ -106,7 +106,7 @@ int uverbs_dealloc_mw(struct ib_mw *mw) struct ib_pd *pd = mw->pd; int ret; - ret = mw->device->dealloc_mw(mw); + ret = mw->device->ops.dealloc_mw(mw); if (!ret) atomic_dec(&pd->usecnt); return ret; @@ -197,7 +197,7 @@ void ib_uverbs_release_file(struct kref *ref) srcu_key = srcu_read_lock(&file->device->disassociate_srcu); ib_dev = srcu_dereference(file->device->ib_dev, &file->device->disassociate_srcu); - if (ib_dev && !ib_dev->disassociate_ucontext) + if (ib_dev && !ib_dev->ops.disassociate_ucontext) module_put(ib_dev->owner); srcu_read_unlock(&file->device->disassociate_srcu, srcu_key); @@ -774,7 +774,7 @@ static int ib_uverbs_mmap(struct file *filp, struct vm_area_struct *vma) goto out; } - ret = ucontext->device->mmap(ucontext, vma); + ret = ucontext->device->ops.mmap(ucontext, vma); out: srcu_read_unlock(&file->device->disassociate_srcu, srcu_key); return ret; @@ -1036,7 +1036,7 @@ static int ib_uverbs_open(struct inode *inode, struct file *filp) /* In case IB device supports disassociate ucontext, there is no hard * dependency between uverbs device and its low level device. */ - module_dependent = !(ib_dev->disassociate_ucontext); + module_dependent = !(ib_dev->ops.disassociate_ucontext); if (module_dependent) { if (!try_module_get(ib_dev->owner)) { @@ -1203,7 +1203,7 @@ static void ib_uverbs_add_one(struct ib_device *device) struct ib_uverbs_device *uverbs_dev; int ret; - if (!device->alloc_ucontext) + if (!device->ops.alloc_ucontext) return; uverbs_dev = kzalloc(sizeof(*uverbs_dev), GFP_KERNEL); @@ -1249,7 +1249,7 @@ static void ib_uverbs_add_one(struct ib_device *device) dev_set_name(&uverbs_dev->dev, "uverbs%d", uverbs_dev->devnum); cdev_init(&uverbs_dev->cdev, - device->mmap ? &uverbs_mmap_fops : &uverbs_fops); + device->ops.mmap ? &uverbs_mmap_fops : &uverbs_fops); uverbs_dev->cdev.owner = THIS_MODULE; ret = cdev_device_add(&uverbs_dev->cdev, &uverbs_dev->dev); @@ -1337,7 +1337,7 @@ static void ib_uverbs_remove_one(struct ib_device *device, void *client_data) cdev_device_del(&uverbs_dev->cdev, &uverbs_dev->dev); ida_free(&uverbs_ida, uverbs_dev->devnum); - if (device->disassociate_ucontext) { + if (device->ops.disassociate_ucontext) { /* We disassociate HW resources and immediately return. * Userspace will see a EIO errno for all future access. * Upon returning, ib_device may be freed internally and is not diff --git a/drivers/infiniband/core/uverbs_std_types.c b/drivers/infiniband/core/uverbs_std_types.c index 063aff9e7a04..424f325f8cba 100644 --- a/drivers/infiniband/core/uverbs_std_types.c +++ b/drivers/infiniband/core/uverbs_std_types.c @@ -54,7 +54,7 @@ static int uverbs_free_flow(struct ib_uobject *uobject, struct ib_qp *qp = flow->qp; int ret; - ret = flow->device->destroy_flow(flow); + ret = flow->device->ops.destroy_flow(flow); if (!ret) { if (qp) atomic_dec(&qp->usecnt); diff --git a/drivers/infiniband/core/uverbs_std_types_counters.c b/drivers/infiniband/core/uverbs_std_types_counters.c index 8835bad5c6dd..309c5e80988d 100644 --- a/drivers/infiniband/core/uverbs_std_types_counters.c +++ b/drivers/infiniband/core/uverbs_std_types_counters.c @@ -44,7 +44,7 @@ static int uverbs_free_counters(struct ib_uobject *uobject, if (ret) return ret; - return counters->device->destroy_counters(counters); + return counters->device->ops.destroy_counters(counters); } static int UVERBS_HANDLER(UVERBS_METHOD_COUNTERS_CREATE)( @@ -61,10 +61,10 @@ static int UVERBS_HANDLER(UVERBS_METHOD_COUNTERS_CREATE)( * have the ability to remove methods from parse tree once * such condition is met. */ - if (!ib_dev->create_counters) + if (!ib_dev->ops.create_counters) return -EOPNOTSUPP; - counters = ib_dev->create_counters(ib_dev, attrs); + counters = ib_dev->ops.create_counters(ib_dev, attrs); if (IS_ERR(counters)) { ret = PTR_ERR(counters); goto err_create_counters; @@ -90,7 +90,7 @@ static int UVERBS_HANDLER(UVERBS_METHOD_COUNTERS_READ)( uverbs_attr_get_obj(attrs, UVERBS_ATTR_READ_COUNTERS_HANDLE); int ret; - if (!counters->device->read_counters) + if (!counters->device->ops.read_counters) return -EOPNOTSUPP; if (!atomic_read(&counters->usecnt)) @@ -109,7 +109,7 @@ static int UVERBS_HANDLER(UVERBS_METHOD_COUNTERS_READ)( if (IS_ERR(read_attr.counters_buff)) return PTR_ERR(read_attr.counters_buff); - ret = counters->device->read_counters(counters, &read_attr, attrs); + ret = counters->device->ops.read_counters(counters, &read_attr, attrs); if (ret) return ret; diff --git a/drivers/infiniband/core/uverbs_std_types_cq.c b/drivers/infiniband/core/uverbs_std_types_cq.c index 859518eab583..42df59635a3c 100644 --- a/drivers/infiniband/core/uverbs_std_types_cq.c +++ b/drivers/infiniband/core/uverbs_std_types_cq.c @@ -71,7 +71,7 @@ static int UVERBS_HANDLER(UVERBS_METHOD_CQ_CREATE)( struct ib_uverbs_completion_event_file *ev_file = NULL; struct ib_uobject *ev_file_uobj; - if (!ib_dev->create_cq || !ib_dev->destroy_cq) + if (!ib_dev->ops.create_cq || !ib_dev->ops.destroy_cq) return -EOPNOTSUPP; ret = uverbs_copy_from(&attr.comp_vector, attrs, @@ -110,8 +110,8 @@ static int UVERBS_HANDLER(UVERBS_METHOD_CQ_CREATE)( INIT_LIST_HEAD(&obj->comp_list); INIT_LIST_HEAD(&obj->async_list); - cq = ib_dev->create_cq(ib_dev, &attr, obj->uobject.context, - &attrs->driver_udata); + cq = ib_dev->ops.create_cq(ib_dev, &attr, obj->uobject.context, + &attrs->driver_udata); if (IS_ERR(cq)) { ret = PTR_ERR(cq); goto err_event_file; diff --git a/drivers/infiniband/core/uverbs_std_types_dm.c b/drivers/infiniband/core/uverbs_std_types_dm.c index 658261b8f08e..2ef70637bee1 100644 --- a/drivers/infiniband/core/uverbs_std_types_dm.c +++ b/drivers/infiniband/core/uverbs_std_types_dm.c @@ -43,7 +43,7 @@ static int uverbs_free_dm(struct ib_uobject *uobject, if (ret) return ret; - return dm->device->dealloc_dm(dm); + return dm->device->ops.dealloc_dm(dm); } static int UVERBS_HANDLER(UVERBS_METHOD_DM_ALLOC)( @@ -57,7 +57,7 @@ static int UVERBS_HANDLER(UVERBS_METHOD_DM_ALLOC)( struct ib_dm *dm; int ret; - if (!ib_dev->alloc_dm) + if (!ib_dev->ops.alloc_dm) return -EOPNOTSUPP; ret = uverbs_copy_from(&attr.length, attrs, @@ -70,7 +70,7 @@ static int UVERBS_HANDLER(UVERBS_METHOD_DM_ALLOC)( if (ret) return ret; - dm = ib_dev->alloc_dm(ib_dev, uobj->context, &attr, attrs); + dm = ib_dev->ops.alloc_dm(ib_dev, uobj->context, &attr, attrs); if (IS_ERR(dm)) return PTR_ERR(dm); diff --git a/drivers/infiniband/core/uverbs_std_types_flow_action.c b/drivers/infiniband/core/uverbs_std_types_flow_action.c index e4d01fb5335d..4962b87fa600 100644 --- a/drivers/infiniband/core/uverbs_std_types_flow_action.c +++ b/drivers/infiniband/core/uverbs_std_types_flow_action.c @@ -43,7 +43,7 @@ static int uverbs_free_flow_action(struct ib_uobject *uobject, if (ret) return ret; - return action->device->destroy_flow_action(action); + return action->device->ops.destroy_flow_action(action); } static u64 esp_flags_uverbs_to_verbs(struct uverbs_attr_bundle *attrs, @@ -313,7 +313,7 @@ static int UVERBS_HANDLER(UVERBS_METHOD_FLOW_ACTION_ESP_CREATE)( struct ib_flow_action *action; struct ib_flow_action_esp_attr esp_attr = {}; - if (!ib_dev->create_flow_action_esp) + if (!ib_dev->ops.create_flow_action_esp) return -EOPNOTSUPP; ret = parse_flow_action_esp(ib_dev, attrs, &esp_attr, false); @@ -321,7 +321,8 @@ static int UVERBS_HANDLER(UVERBS_METHOD_FLOW_ACTION_ESP_CREATE)( return ret; /* No need to check as this attribute is marked as MANDATORY */ - action = ib_dev->create_flow_action_esp(ib_dev, &esp_attr.hdr, attrs); + action = ib_dev->ops.create_flow_action_esp(ib_dev, &esp_attr.hdr, + attrs); if (IS_ERR(action)) return PTR_ERR(action); @@ -340,7 +341,7 @@ static int UVERBS_HANDLER(UVERBS_METHOD_FLOW_ACTION_ESP_MODIFY)( int ret; struct ib_flow_action_esp_attr esp_attr = {}; - if (!action->device->modify_flow_action_esp) + if (!action->device->ops.modify_flow_action_esp) return -EOPNOTSUPP; ret = parse_flow_action_esp(action->device, attrs, &esp_attr, true); @@ -350,8 +351,9 @@ static int UVERBS_HANDLER(UVERBS_METHOD_FLOW_ACTION_ESP_MODIFY)( if (action->type != IB_FLOW_ACTION_ESP) return -EINVAL; - return action->device->modify_flow_action_esp(action, &esp_attr.hdr, - attrs); + return action->device->ops.modify_flow_action_esp(action, + &esp_attr.hdr, + attrs); } static const struct uverbs_attr_spec uverbs_flow_action_esp_keymat[] = { diff --git a/drivers/infiniband/core/uverbs_std_types_mr.c b/drivers/infiniband/core/uverbs_std_types_mr.c index 70ea48cfc047..cafb49a45515 100644 --- a/drivers/infiniband/core/uverbs_std_types_mr.c +++ b/drivers/infiniband/core/uverbs_std_types_mr.c @@ -54,7 +54,7 @@ static int UVERBS_HANDLER(UVERBS_METHOD_DM_MR_REG)( struct ib_mr *mr; int ret; - if (!ib_dev->reg_dm_mr) + if (!ib_dev->ops.reg_dm_mr) return -EOPNOTSUPP; ret = uverbs_copy_from(&attr.offset, attrs, UVERBS_ATTR_REG_DM_MR_OFFSET); @@ -83,7 +83,7 @@ static int UVERBS_HANDLER(UVERBS_METHOD_DM_MR_REG)( attr.length > dm->length - attr.offset) return -EINVAL; - mr = pd->device->reg_dm_mr(pd, dm, &attr, attrs); + mr = pd->device->ops.reg_dm_mr(pd, dm, &attr, attrs); if (IS_ERR(mr)) return PTR_ERR(mr); diff --git a/drivers/infiniband/core/uverbs_uapi.c b/drivers/infiniband/core/uverbs_uapi.c index 0136c1d78a0f..830e48fe5e65 100644 --- a/drivers/infiniband/core/uverbs_uapi.c +++ b/drivers/infiniband/core/uverbs_uapi.c @@ -300,7 +300,8 @@ static int uapi_merge_def(struct uverbs_api *uapi, struct ib_device *ibdev, return 0; case UAPI_DEF_IS_SUPPORTED_DEV_FN: { - void **ibdev_fn = (void *)ibdev + def->needs_fn_offset; + void **ibdev_fn = + (void *)(&ibdev->ops) + def->needs_fn_offset; if (*ibdev_fn) continue; diff --git a/drivers/infiniband/core/verbs.c b/drivers/infiniband/core/verbs.c index fb2fc0c7ecfb..92dbc758f6c9 100644 --- a/drivers/infiniband/core/verbs.c +++ b/drivers/infiniband/core/verbs.c @@ -226,8 +226,8 @@ EXPORT_SYMBOL(rdma_node_get_transport); enum rdma_link_layer rdma_port_get_link_layer(struct ib_device *device, u8 port_num) { enum rdma_transport_type lt; - if (device->get_link_layer) - return device->get_link_layer(device, port_num); + if (device->ops.get_link_layer) + return device->ops.get_link_layer(device, port_num); lt = rdma_node_get_transport(device->node_type); if (lt == RDMA_TRANSPORT_IB) @@ -255,7 +255,7 @@ struct ib_pd *__ib_alloc_pd(struct ib_device *device, unsigned int flags, struct ib_pd *pd; int mr_access_flags = 0; - pd = device->alloc_pd(device, NULL, NULL); + pd = device->ops.alloc_pd(device, NULL, NULL); if (IS_ERR(pd)) return pd; @@ -282,7 +282,7 @@ struct ib_pd *__ib_alloc_pd(struct ib_device *device, unsigned int flags, if (mr_access_flags) { struct ib_mr *mr; - mr = pd->device->get_dma_mr(pd, mr_access_flags); + mr = pd->device->ops.get_dma_mr(pd, mr_access_flags); if (IS_ERR(mr)) { ib_dealloc_pd(pd); return ERR_CAST(mr); @@ -319,7 +319,7 @@ void ib_dealloc_pd(struct ib_pd *pd) int ret; if (pd->__internal_mr) { - ret = pd->device->dereg_mr(pd->__internal_mr); + ret = pd->device->ops.dereg_mr(pd->__internal_mr); WARN_ON(ret); pd->__internal_mr = NULL; } @@ -331,7 +331,7 @@ void ib_dealloc_pd(struct ib_pd *pd) rdma_restrack_del(&pd->res); /* Making delalloc_pd a void return is a WIP, no driver should return an error here. */ - ret = pd->device->dealloc_pd(pd); + ret = pd->device->ops.dealloc_pd(pd); WARN_ONCE(ret, "Infiniband HW driver failed dealloc_pd"); } EXPORT_SYMBOL(ib_dealloc_pd); @@ -491,10 +491,10 @@ static struct ib_ah *_rdma_create_ah(struct ib_pd *pd, { struct ib_ah *ah; - if (!pd->device->create_ah) + if (!pd->device->ops.create_ah) return ERR_PTR(-EOPNOTSUPP); - ah = pd->device->create_ah(pd, ah_attr, udata); + ah = pd->device->ops.create_ah(pd, ah_attr, udata); if (!IS_ERR(ah)) { ah->device = pd->device; @@ -900,8 +900,8 @@ int rdma_modify_ah(struct ib_ah *ah, struct rdma_ah_attr *ah_attr) if (ret) return ret; - ret = ah->device->modify_ah ? - ah->device->modify_ah(ah, ah_attr) : + ret = ah->device->ops.modify_ah ? + ah->device->ops.modify_ah(ah, ah_attr) : -EOPNOTSUPP; ah->sgid_attr = rdma_update_sgid_attr(ah_attr, ah->sgid_attr); @@ -914,8 +914,8 @@ int rdma_query_ah(struct ib_ah *ah, struct rdma_ah_attr *ah_attr) { ah_attr->grh.sgid_attr = NULL; - return ah->device->query_ah ? - ah->device->query_ah(ah, ah_attr) : + return ah->device->ops.query_ah ? + ah->device->ops.query_ah(ah, ah_attr) : -EOPNOTSUPP; } EXPORT_SYMBOL(rdma_query_ah); @@ -927,7 +927,7 @@ int rdma_destroy_ah(struct ib_ah *ah) int ret; pd = ah->pd; - ret = ah->device->destroy_ah(ah); + ret = ah->device->ops.destroy_ah(ah); if (!ret) { atomic_dec(&pd->usecnt); if (sgid_attr) @@ -945,10 +945,10 @@ struct ib_srq *ib_create_srq(struct ib_pd *pd, { struct ib_srq *srq; - if (!pd->device->create_srq) + if (!pd->device->ops.create_srq) return ERR_PTR(-EOPNOTSUPP); - srq = pd->device->create_srq(pd, srq_init_attr, NULL); + srq = pd->device->ops.create_srq(pd, srq_init_attr, NULL); if (!IS_ERR(srq)) { srq->device = pd->device; @@ -977,17 +977,17 @@ int ib_modify_srq(struct ib_srq *srq, struct ib_srq_attr *srq_attr, enum ib_srq_attr_mask srq_attr_mask) { - return srq->device->modify_srq ? - srq->device->modify_srq(srq, srq_attr, srq_attr_mask, NULL) : - -EOPNOTSUPP; + return srq->device->ops.modify_srq ? + srq->device->ops.modify_srq(srq, srq_attr, srq_attr_mask, + NULL) : -EOPNOTSUPP; } EXPORT_SYMBOL(ib_modify_srq); int ib_query_srq(struct ib_srq *srq, struct ib_srq_attr *srq_attr) { - return srq->device->query_srq ? - srq->device->query_srq(srq, srq_attr) : -EOPNOTSUPP; + return srq->device->ops.query_srq ? + srq->device->ops.query_srq(srq, srq_attr) : -EOPNOTSUPP; } EXPORT_SYMBOL(ib_query_srq); @@ -1009,7 +1009,7 @@ int ib_destroy_srq(struct ib_srq *srq) if (srq_type == IB_SRQT_XRC) xrcd = srq->ext.xrc.xrcd; - ret = srq->device->destroy_srq(srq); + ret = srq->device->ops.destroy_srq(srq); if (!ret) { atomic_dec(&pd->usecnt); if (srq_type == IB_SRQT_XRC) @@ -1118,7 +1118,7 @@ static struct ib_qp *ib_create_xrc_qp(struct ib_qp *qp, if (!IS_ERR(qp)) __ib_insert_xrcd_qp(qp_init_attr->xrcd, real_qp); else - real_qp->device->destroy_qp(real_qp); + real_qp->device->ops.destroy_qp(real_qp); return qp; } @@ -1704,10 +1704,10 @@ int ib_get_eth_speed(struct ib_device *dev, u8 port_num, u8 *speed, u8 *width) if (rdma_port_get_link_layer(dev, port_num) != IB_LINK_LAYER_ETHERNET) return -EINVAL; - if (!dev->get_netdev) + if (!dev->ops.get_netdev) return -EOPNOTSUPP; - netdev = dev->get_netdev(dev, port_num); + netdev = dev->ops.get_netdev(dev, port_num); if (!netdev) return -ENODEV; @@ -1765,9 +1765,9 @@ int ib_query_qp(struct ib_qp *qp, qp_attr->ah_attr.grh.sgid_attr = NULL; qp_attr->alt_ah_attr.grh.sgid_attr = NULL; - return qp->device->query_qp ? - qp->device->query_qp(qp->real_qp, qp_attr, qp_attr_mask, qp_init_attr) : - -EOPNOTSUPP; + return qp->device->ops.query_qp ? + qp->device->ops.query_qp(qp->real_qp, qp_attr, qp_attr_mask, + qp_init_attr) : -EOPNOTSUPP; } EXPORT_SYMBOL(ib_query_qp); @@ -1853,7 +1853,7 @@ int ib_destroy_qp(struct ib_qp *qp) rdma_rw_cleanup_mrs(qp); rdma_restrack_del(&qp->res); - ret = qp->device->destroy_qp(qp); + ret = qp->device->ops.destroy_qp(qp); if (!ret) { if (alt_path_sgid_attr) rdma_put_gid_attr(alt_path_sgid_attr); @@ -1891,7 +1891,7 @@ struct ib_cq *__ib_create_cq(struct ib_device *device, { struct ib_cq *cq; - cq = device->create_cq(device, cq_attr, NULL, NULL); + cq = device->ops.create_cq(device, cq_attr, NULL, NULL); if (!IS_ERR(cq)) { cq->device = device; @@ -1911,8 +1911,9 @@ EXPORT_SYMBOL(__ib_create_cq); int rdma_set_cq_moderation(struct ib_cq *cq, u16 cq_count, u16 cq_period) { - return cq->device->modify_cq ? - cq->device->modify_cq(cq, cq_count, cq_period) : -EOPNOTSUPP; + return cq->device->ops.modify_cq ? + cq->device->ops.modify_cq(cq, cq_count, + cq_period) : -EOPNOTSUPP; } EXPORT_SYMBOL(rdma_set_cq_moderation); @@ -1922,14 +1923,14 @@ int ib_destroy_cq(struct ib_cq *cq) return -EBUSY; rdma_restrack_del(&cq->res); - return cq->device->destroy_cq(cq); + return cq->device->ops.destroy_cq(cq); } EXPORT_SYMBOL(ib_destroy_cq); int ib_resize_cq(struct ib_cq *cq, int cqe) { - return cq->device->resize_cq ? - cq->device->resize_cq(cq, cqe, NULL) : -EOPNOTSUPP; + return cq->device->ops.resize_cq ? + cq->device->ops.resize_cq(cq, cqe, NULL) : -EOPNOTSUPP; } EXPORT_SYMBOL(ib_resize_cq); @@ -1942,7 +1943,7 @@ int ib_dereg_mr(struct ib_mr *mr) int ret; rdma_restrack_del(&mr->res); - ret = mr->device->dereg_mr(mr); + ret = mr->device->ops.dereg_mr(mr); if (!ret) { atomic_dec(&pd->usecnt); if (dm) @@ -1971,10 +1972,10 @@ struct ib_mr *ib_alloc_mr(struct ib_pd *pd, { struct ib_mr *mr; - if (!pd->device->alloc_mr) + if (!pd->device->ops.alloc_mr) return ERR_PTR(-EOPNOTSUPP); - mr = pd->device->alloc_mr(pd, mr_type, max_num_sg); + mr = pd->device->ops.alloc_mr(pd, mr_type, max_num_sg); if (!IS_ERR(mr)) { mr->device = pd->device; mr->pd = pd; @@ -1998,10 +1999,10 @@ struct ib_fmr *ib_alloc_fmr(struct ib_pd *pd, { struct ib_fmr *fmr; - if (!pd->device->alloc_fmr) + if (!pd->device->ops.alloc_fmr) return ERR_PTR(-EOPNOTSUPP); - fmr = pd->device->alloc_fmr(pd, mr_access_flags, fmr_attr); + fmr = pd->device->ops.alloc_fmr(pd, mr_access_flags, fmr_attr); if (!IS_ERR(fmr)) { fmr->device = pd->device; fmr->pd = pd; @@ -2020,7 +2021,7 @@ int ib_unmap_fmr(struct list_head *fmr_list) return 0; fmr = list_entry(fmr_list->next, struct ib_fmr, list); - return fmr->device->unmap_fmr(fmr_list); + return fmr->device->ops.unmap_fmr(fmr_list); } EXPORT_SYMBOL(ib_unmap_fmr); @@ -2030,7 +2031,7 @@ int ib_dealloc_fmr(struct ib_fmr *fmr) int ret; pd = fmr->pd; - ret = fmr->device->dealloc_fmr(fmr); + ret = fmr->device->ops.dealloc_fmr(fmr); if (!ret) atomic_dec(&pd->usecnt); @@ -2082,14 +2083,14 @@ int ib_attach_mcast(struct ib_qp *qp, union ib_gid *gid, u16 lid) { int ret; - if (!qp->device->attach_mcast) + if (!qp->device->ops.attach_mcast) return -EOPNOTSUPP; if (!rdma_is_multicast_addr((struct in6_addr *)gid->raw) || qp->qp_type != IB_QPT_UD || !is_valid_mcast_lid(qp, lid)) return -EINVAL; - ret = qp->device->attach_mcast(qp, gid, lid); + ret = qp->device->ops.attach_mcast(qp, gid, lid); if (!ret) atomic_inc(&qp->usecnt); return ret; @@ -2100,14 +2101,14 @@ int ib_detach_mcast(struct ib_qp *qp, union ib_gid *gid, u16 lid) { int ret; - if (!qp->device->detach_mcast) + if (!qp->device->ops.detach_mcast) return -EOPNOTSUPP; if (!rdma_is_multicast_addr((struct in6_addr *)gid->raw) || qp->qp_type != IB_QPT_UD || !is_valid_mcast_lid(qp, lid)) return -EINVAL; - ret = qp->device->detach_mcast(qp, gid, lid); + ret = qp->device->ops.detach_mcast(qp, gid, lid); if (!ret) atomic_dec(&qp->usecnt); return ret; @@ -2118,10 +2119,10 @@ struct ib_xrcd *__ib_alloc_xrcd(struct ib_device *device, const char *caller) { struct ib_xrcd *xrcd; - if (!device->alloc_xrcd) + if (!device->ops.alloc_xrcd) return ERR_PTR(-EOPNOTSUPP); - xrcd = device->alloc_xrcd(device, NULL, NULL); + xrcd = device->ops.alloc_xrcd(device, NULL, NULL); if (!IS_ERR(xrcd)) { xrcd->device = device; xrcd->inode = NULL; @@ -2149,7 +2150,7 @@ int ib_dealloc_xrcd(struct ib_xrcd *xrcd) return ret; } - return xrcd->device->dealloc_xrcd(xrcd); + return xrcd->device->ops.dealloc_xrcd(xrcd); } EXPORT_SYMBOL(ib_dealloc_xrcd); @@ -2172,10 +2173,10 @@ struct ib_wq *ib_create_wq(struct ib_pd *pd, { struct ib_wq *wq; - if (!pd->device->create_wq) + if (!pd->device->ops.create_wq) return ERR_PTR(-EOPNOTSUPP); - wq = pd->device->create_wq(pd, wq_attr, NULL); + wq = pd->device->ops.create_wq(pd, wq_attr, NULL); if (!IS_ERR(wq)) { wq->event_handler = wq_attr->event_handler; wq->wq_context = wq_attr->wq_context; @@ -2205,7 +2206,7 @@ int ib_destroy_wq(struct ib_wq *wq) if (atomic_read(&wq->usecnt)) return -EBUSY; - err = wq->device->destroy_wq(wq); + err = wq->device->ops.destroy_wq(wq); if (!err) { atomic_dec(&pd->usecnt); atomic_dec(&cq->usecnt); @@ -2227,10 +2228,10 @@ int ib_modify_wq(struct ib_wq *wq, struct ib_wq_attr *wq_attr, { int err; - if (!wq->device->modify_wq) + if (!wq->device->ops.modify_wq) return -EOPNOTSUPP; - err = wq->device->modify_wq(wq, wq_attr, wq_attr_mask, NULL); + err = wq->device->ops.modify_wq(wq, wq_attr, wq_attr_mask, NULL); return err; } EXPORT_SYMBOL(ib_modify_wq); @@ -2252,12 +2253,12 @@ struct ib_rwq_ind_table *ib_create_rwq_ind_table(struct ib_device *device, int i; u32 table_size; - if (!device->create_rwq_ind_table) + if (!device->ops.create_rwq_ind_table) return ERR_PTR(-EOPNOTSUPP); table_size = (1 << init_attr->log_ind_tbl_size); - rwq_ind_table = device->create_rwq_ind_table(device, - init_attr, NULL); + rwq_ind_table = device->ops.create_rwq_ind_table(device, + init_attr, NULL); if (IS_ERR(rwq_ind_table)) return rwq_ind_table; @@ -2287,7 +2288,7 @@ int ib_destroy_rwq_ind_table(struct ib_rwq_ind_table *rwq_ind_table) if (atomic_read(&rwq_ind_table->usecnt)) return -EBUSY; - err = rwq_ind_table->device->destroy_rwq_ind_table(rwq_ind_table); + err = rwq_ind_table->device->ops.destroy_rwq_ind_table(rwq_ind_table); if (!err) { for (i = 0; i < table_size; i++) atomic_dec(&ind_tbl[i]->usecnt); @@ -2300,48 +2301,50 @@ EXPORT_SYMBOL(ib_destroy_rwq_ind_table); int ib_check_mr_status(struct ib_mr *mr, u32 check_mask, struct ib_mr_status *mr_status) { - return mr->device->check_mr_status ? - mr->device->check_mr_status(mr, check_mask, mr_status) : -EOPNOTSUPP; + if (!mr->device->ops.check_mr_status) + return -EOPNOTSUPP; + + return mr->device->ops.check_mr_status(mr, check_mask, mr_status); } EXPORT_SYMBOL(ib_check_mr_status); int ib_set_vf_link_state(struct ib_device *device, int vf, u8 port, int state) { - if (!device->set_vf_link_state) + if (!device->ops.set_vf_link_state) return -EOPNOTSUPP; - return device->set_vf_link_state(device, vf, port, state); + return device->ops.set_vf_link_state(device, vf, port, state); } EXPORT_SYMBOL(ib_set_vf_link_state); int ib_get_vf_config(struct ib_device *device, int vf, u8 port, struct ifla_vf_info *info) { - if (!device->get_vf_config) + if (!device->ops.get_vf_config) return -EOPNOTSUPP; - return device->get_vf_config(device, vf, port, info); + return device->ops.get_vf_config(device, vf, port, info); } EXPORT_SYMBOL(ib_get_vf_config); int ib_get_vf_stats(struct ib_device *device, int vf, u8 port, struct ifla_vf_stats *stats) { - if (!device->get_vf_stats) + if (!device->ops.get_vf_stats) return -EOPNOTSUPP; - return device->get_vf_stats(device, vf, port, stats); + return device->ops.get_vf_stats(device, vf, port, stats); } EXPORT_SYMBOL(ib_get_vf_stats); int ib_set_vf_guid(struct ib_device *device, int vf, u8 port, u64 guid, int type) { - if (!device->set_vf_guid) + if (!device->ops.set_vf_guid) return -EOPNOTSUPP; - return device->set_vf_guid(device, vf, port, guid, type); + return device->ops.set_vf_guid(device, vf, port, guid, type); } EXPORT_SYMBOL(ib_set_vf_guid); @@ -2373,12 +2376,12 @@ EXPORT_SYMBOL(ib_set_vf_guid); int ib_map_mr_sg(struct ib_mr *mr, struct scatterlist *sg, int sg_nents, unsigned int *sg_offset, unsigned int page_size) { - if (unlikely(!mr->device->map_mr_sg)) + if (unlikely(!mr->device->ops.map_mr_sg)) return -EOPNOTSUPP; mr->page_size = page_size; - return mr->device->map_mr_sg(mr, sg, sg_nents, sg_offset); + return mr->device->ops.map_mr_sg(mr, sg, sg_nents, sg_offset); } EXPORT_SYMBOL(ib_map_mr_sg); @@ -2577,8 +2580,8 @@ static void __ib_drain_rq(struct ib_qp *qp) */ void ib_drain_sq(struct ib_qp *qp) { - if (qp->device->drain_sq) - qp->device->drain_sq(qp); + if (qp->device->ops.drain_sq) + qp->device->ops.drain_sq(qp); else __ib_drain_sq(qp); } @@ -2605,8 +2608,8 @@ EXPORT_SYMBOL(ib_drain_sq); */ void ib_drain_rq(struct ib_qp *qp) { - if (qp->device->drain_rq) - qp->device->drain_rq(qp); + if (qp->device->ops.drain_rq) + qp->device->ops.drain_rq(qp); else __ib_drain_rq(qp); } @@ -2644,10 +2647,11 @@ struct net_device *rdma_alloc_netdev(struct ib_device *device, u8 port_num, struct net_device *netdev; int rc; - if (!device->rdma_netdev_get_params) + if (!device->ops.rdma_netdev_get_params) return ERR_PTR(-EOPNOTSUPP); - rc = device->rdma_netdev_get_params(device, port_num, type, ¶ms); + rc = device->ops.rdma_netdev_get_params(device, port_num, type, + ¶ms); if (rc) return ERR_PTR(rc); @@ -2669,10 +2673,11 @@ int rdma_init_netdev(struct ib_device *device, u8 port_num, struct rdma_netdev_alloc_params params; int rc; - if (!device->rdma_netdev_get_params) + if (!device->ops.rdma_netdev_get_params) return -EOPNOTSUPP; - rc = device->rdma_netdev_get_params(device, port_num, type, ¶ms); + rc = device->ops.rdma_netdev_get_params(device, port_num, type, + ¶ms); if (rc) return rc; diff --git a/drivers/infiniband/hw/i40iw/i40iw_cm.c b/drivers/infiniband/hw/i40iw/i40iw_cm.c index 771eb6bd0785..ef137c40205c 100644 --- a/drivers/infiniband/hw/i40iw/i40iw_cm.c +++ b/drivers/infiniband/hw/i40iw/i40iw_cm.c @@ -3478,7 +3478,7 @@ static void i40iw_qp_disconnect(struct i40iw_qp *iwqp) /* Need to free the Last Streaming Mode Message */ if (iwqp->ietf_mem.va) { if (iwqp->lsmm_mr) - iwibdev->ibdev.dereg_mr(iwqp->lsmm_mr); + iwibdev->ibdev.ops.dereg_mr(iwqp->lsmm_mr); i40iw_free_dma_mem(iwdev->sc_dev.hw, &iwqp->ietf_mem); } } diff --git a/drivers/infiniband/hw/mlx4/alias_GUID.c b/drivers/infiniband/hw/mlx4/alias_GUID.c index 155b4dfc0ae8..782499abcd98 100644 --- a/drivers/infiniband/hw/mlx4/alias_GUID.c +++ b/drivers/infiniband/hw/mlx4/alias_GUID.c @@ -849,7 +849,7 @@ int mlx4_ib_init_alias_guid_service(struct mlx4_ib_dev *dev) spin_lock_init(&dev->sriov.alias_guid.ag_work_lock); for (i = 1; i <= dev->num_ports; ++i) { - if (dev->ib_dev.query_gid(&dev->ib_dev , i, 0, &gid)) { + if (dev->ib_dev.ops.query_gid(&dev->ib_dev, i, 0, &gid)) { ret = -EFAULT; goto err_unregister; } diff --git a/drivers/infiniband/hw/mlx5/main.c b/drivers/infiniband/hw/mlx5/main.c index 47d9cd260846..5a4e23105b0c 100644 --- a/drivers/infiniband/hw/mlx5/main.c +++ b/drivers/infiniband/hw/mlx5/main.c @@ -150,7 +150,7 @@ static int get_port_state(struct ib_device *ibdev, int ret; memset(&attr, 0, sizeof(attr)); - ret = ibdev->query_port(ibdev, port_num, &attr); + ret = ibdev->ops.query_port(ibdev, port_num, &attr); if (!ret) *state = attr.state; return ret; diff --git a/drivers/infiniband/hw/nes/nes_cm.c b/drivers/infiniband/hw/nes/nes_cm.c index 2b67ace5b614..032883180f65 100644 --- a/drivers/infiniband/hw/nes/nes_cm.c +++ b/drivers/infiniband/hw/nes/nes_cm.c @@ -3033,7 +3033,7 @@ static int nes_disconnect(struct nes_qp *nesqp, int abrupt) /* Need to free the Last Streaming Mode Message */ if (nesqp->ietf_frame) { if (nesqp->lsmm_mr) - nesibdev->ibdev.dereg_mr(nesqp->lsmm_mr); + nesibdev->ibdev.ops.dereg_mr(nesqp->lsmm_mr); pci_free_consistent(nesdev->pcidev, nesqp->private_data_len + nesqp->ietf_frame_size, nesqp->ietf_frame, nesqp->ietf_frame_pbase); diff --git a/drivers/infiniband/sw/rdmavt/vt.c b/drivers/infiniband/sw/rdmavt/vt.c index c52b38fe2416..aef3aa3fe667 100644 --- a/drivers/infiniband/sw/rdmavt/vt.c +++ b/drivers/infiniband/sw/rdmavt/vt.c @@ -456,31 +456,31 @@ static noinline int check_support(struct rvt_dev_info *rdi, int verb) * rdmavt does not support modify device currently drivers must * provide. */ - if (!rdi->ibdev.modify_device) + if (!rdi->ibdev.ops.modify_device) return -EOPNOTSUPP; break; case QUERY_PORT: - if (!rdi->ibdev.query_port) + if (!rdi->ibdev.ops.query_port) if (!rdi->driver_f.query_port_state) return -EINVAL; break; case MODIFY_PORT: - if (!rdi->ibdev.modify_port) + if (!rdi->ibdev.ops.modify_port) if (!rdi->driver_f.cap_mask_chg || !rdi->driver_f.shut_down_port) return -EINVAL; break; case QUERY_GID: - if (!rdi->ibdev.query_gid) + if (!rdi->ibdev.ops.query_gid) if (!rdi->driver_f.get_guid_be) return -EINVAL; break; case CREATE_QP: - if (!rdi->ibdev.create_qp) + if (!rdi->ibdev.ops.create_qp) if (!rdi->driver_f.qp_priv_alloc || !rdi->driver_f.qp_priv_free || !rdi->driver_f.notify_qp_reset || @@ -491,7 +491,7 @@ static noinline int check_support(struct rvt_dev_info *rdi, int verb) break; case MODIFY_QP: - if (!rdi->ibdev.modify_qp) + if (!rdi->ibdev.ops.modify_qp) if (!rdi->driver_f.notify_qp_reset || !rdi->driver_f.schedule_send || !rdi->driver_f.get_pmtu_from_attr || @@ -505,7 +505,7 @@ static noinline int check_support(struct rvt_dev_info *rdi, int verb) break; case DESTROY_QP: - if (!rdi->ibdev.destroy_qp) + if (!rdi->ibdev.ops.destroy_qp) if (!rdi->driver_f.qp_priv_free || !rdi->driver_f.notify_qp_reset || !rdi->driver_f.flush_qp_waiters || @@ -515,7 +515,7 @@ static noinline int check_support(struct rvt_dev_info *rdi, int verb) break; case POST_SEND: - if (!rdi->ibdev.post_send) + if (!rdi->ibdev.ops.post_send) if (!rdi->driver_f.schedule_send || !rdi->driver_f.do_send || !rdi->post_parms) diff --git a/drivers/infiniband/ulp/ipoib/ipoib_main.c b/drivers/infiniband/ulp/ipoib/ipoib_main.c index 8710214594d8..5224c42f9d08 100644 --- a/drivers/infiniband/ulp/ipoib/ipoib_main.c +++ b/drivers/infiniband/ulp/ipoib/ipoib_main.c @@ -2453,8 +2453,8 @@ static struct net_device *ipoib_add_port(const char *format, return ERR_PTR(result); } - if (hca->rdma_netdev_get_params) { - int rc = hca->rdma_netdev_get_params(hca, port, + if (hca->ops.rdma_netdev_get_params) { + int rc = hca->ops.rdma_netdev_get_params(hca, port, RDMA_NETDEV_IPOIB, ¶ms); diff --git a/drivers/infiniband/ulp/iser/iser_memory.c b/drivers/infiniband/ulp/iser/iser_memory.c index dbe97c02848c..e9b7efc302d0 100644 --- a/drivers/infiniband/ulp/iser/iser_memory.c +++ b/drivers/infiniband/ulp/iser/iser_memory.c @@ -77,8 +77,8 @@ int iser_assign_reg_ops(struct iser_device *device) struct ib_device *ib_dev = device->ib_device; /* Assign function handles - based on FMR support */ - if (ib_dev->alloc_fmr && ib_dev->dealloc_fmr && - ib_dev->map_phys_fmr && ib_dev->unmap_fmr) { + if (ib_dev->ops.alloc_fmr && ib_dev->ops.dealloc_fmr && + ib_dev->ops.map_phys_fmr && ib_dev->ops.unmap_fmr) { iser_info("FMR supported, using FMR for registration\n"); device->reg_ops = &fmr_ops; } else if (ib_dev->attrs.device_cap_flags & IB_DEVICE_MEM_MGT_EXTENSIONS) { diff --git a/drivers/infiniband/ulp/opa_vnic/opa_vnic_netdev.c b/drivers/infiniband/ulp/opa_vnic/opa_vnic_netdev.c index 61558788b3fa..ae70cd18903e 100644 --- a/drivers/infiniband/ulp/opa_vnic/opa_vnic_netdev.c +++ b/drivers/infiniband/ulp/opa_vnic/opa_vnic_netdev.c @@ -330,10 +330,10 @@ struct opa_vnic_adapter *opa_vnic_add_netdev(struct ib_device *ibdev, struct rdma_netdev *rn; int rc; - netdev = ibdev->alloc_rdma_netdev(ibdev, port_num, - RDMA_NETDEV_OPA_VNIC, - "veth%d", NET_NAME_UNKNOWN, - ether_setup); + netdev = ibdev->ops.alloc_rdma_netdev(ibdev, port_num, + RDMA_NETDEV_OPA_VNIC, + "veth%d", NET_NAME_UNKNOWN, + ether_setup); if (!netdev) return ERR_PTR(-ENOMEM); else if (IS_ERR(netdev)) diff --git a/drivers/infiniband/ulp/srp/ib_srp.c b/drivers/infiniband/ulp/srp/ib_srp.c index eed0eb3bb04c..e58146d020bc 100644 --- a/drivers/infiniband/ulp/srp/ib_srp.c +++ b/drivers/infiniband/ulp/srp/ib_srp.c @@ -4063,8 +4063,10 @@ static void srp_add_one(struct ib_device *device) srp_dev->max_pages_per_mr = min_t(u64, SRP_MAX_PAGES_PER_MR, max_pages_per_mr); - srp_dev->has_fmr = (device->alloc_fmr && device->dealloc_fmr && - device->map_phys_fmr && device->unmap_fmr); + srp_dev->has_fmr = (device->ops.alloc_fmr && + device->ops.dealloc_fmr && + device->ops.map_phys_fmr && + device->ops.unmap_fmr); srp_dev->has_fr = (attr->device_cap_flags & IB_DEVICE_MEM_MGT_EXTENSIONS); if (!never_register && !srp_dev->has_fmr && !srp_dev->has_fr) { diff --git a/fs/cifs/smbdirect.c b/fs/cifs/smbdirect.c index e94a8d1d08a3..a568dac7b3a1 100644 --- a/fs/cifs/smbdirect.c +++ b/fs/cifs/smbdirect.c @@ -1724,7 +1724,7 @@ static struct smbd_connection *_smbd_get_connection( info->responder_resources); /* Need to send IRD/ORD in private data for iWARP */ - info->id->device->get_port_immutable( + info->id->device->ops.get_port_immutable( info->id->device, info->id->port_num, &port_immutable); if (port_immutable.core_cap_flags & RDMA_CORE_PORT_IWARP) { ird_ord_hdr[0] = info->responder_resources; diff --git a/include/rdma/ib_verbs.h b/include/rdma/ib_verbs.h index 60315fd05411..5b3b51f00f48 100644 --- a/include/rdma/ib_verbs.h +++ b/include/rdma/ib_verbs.h @@ -2507,7 +2507,7 @@ struct ib_device_ops { struct ib_device { /* Do not access @dma_device directly from ULP nor from HW drivers. */ struct device *dma_device; - + struct ib_device_ops ops; char name[IB_DEVICE_NAME_MAX]; struct list_head event_handler_list; @@ -2532,273 +2532,6 @@ struct ib_device { struct iw_cm_verbs *iwcm; - /** - * alloc_hw_stats - Allocate a struct rdma_hw_stats and fill in the - * driver initialized data. The struct is kfree()'ed by the sysfs - * core when the device is removed. A lifespan of -1 in the return - * struct tells the core to set a default lifespan. - */ - struct rdma_hw_stats *(*alloc_hw_stats)(struct ib_device *device, - u8 port_num); - /** - * get_hw_stats - Fill in the counter value(s) in the stats struct. - * @index - The index in the value array we wish to have updated, or - * num_counters if we want all stats updated - * Return codes - - * < 0 - Error, no counters updated - * index - Updated the single counter pointed to by index - * num_counters - Updated all counters (will reset the timestamp - * and prevent further calls for lifespan milliseconds) - * Drivers are allowed to update all counters in lieu of just the - * one given in index at their option - */ - int (*get_hw_stats)(struct ib_device *device, - struct rdma_hw_stats *stats, - u8 port, int index); - int (*query_device)(struct ib_device *device, - struct ib_device_attr *device_attr, - struct ib_udata *udata); - int (*query_port)(struct ib_device *device, - u8 port_num, - struct ib_port_attr *port_attr); - enum rdma_link_layer (*get_link_layer)(struct ib_device *device, - u8 port_num); - /* When calling get_netdev, the HW vendor's driver should return the - * net device of device @device at port @port_num or NULL if such - * a net device doesn't exist. The vendor driver should call dev_hold - * on this net device. The HW vendor's device driver must guarantee - * that this function returns NULL before the net device has finished - * NETDEV_UNREGISTER state. - */ - struct net_device *(*get_netdev)(struct ib_device *device, - u8 port_num); - /* query_gid should be return GID value for @device, when @port_num - * link layer is either IB or iWarp. It is no-op if @port_num port - * is RoCE link layer. - */ - int (*query_gid)(struct ib_device *device, - u8 port_num, int index, - union ib_gid *gid); - /* When calling add_gid, the HW vendor's driver should add the gid - * of device of port at gid index available at @attr. Meta-info of - * that gid (for example, the network device related to this gid) is - * available at @attr. @context allows the HW vendor driver to store - * extra information together with a GID entry. The HW vendor driver may - * allocate memory to contain this information and store it in @context - * when a new GID entry is written to. Params are consistent until the - * next call of add_gid or delete_gid. The function should return 0 on - * success or error otherwise. The function could be called - * concurrently for different ports. This function is only called when - * roce_gid_table is used. - */ - int (*add_gid)(const struct ib_gid_attr *attr, - void **context); - /* When calling del_gid, the HW vendor's driver should delete the - * gid of device @device at gid index gid_index of port port_num - * available in @attr. - * Upon the deletion of a GID entry, the HW vendor must free any - * allocated memory. The caller will clear @context afterwards. - * This function is only called when roce_gid_table is used. - */ - int (*del_gid)(const struct ib_gid_attr *attr, - void **context); - int (*query_pkey)(struct ib_device *device, - u8 port_num, u16 index, u16 *pkey); - int (*modify_device)(struct ib_device *device, - int device_modify_mask, - struct ib_device_modify *device_modify); - int (*modify_port)(struct ib_device *device, - u8 port_num, int port_modify_mask, - struct ib_port_modify *port_modify); - struct ib_ucontext * (*alloc_ucontext)(struct ib_device *device, - struct ib_udata *udata); - int (*dealloc_ucontext)(struct ib_ucontext *context); - int (*mmap)(struct ib_ucontext *context, - struct vm_area_struct *vma); - struct ib_pd * (*alloc_pd)(struct ib_device *device, - struct ib_ucontext *context, - struct ib_udata *udata); - int (*dealloc_pd)(struct ib_pd *pd); - struct ib_ah * (*create_ah)(struct ib_pd *pd, - struct rdma_ah_attr *ah_attr, - struct ib_udata *udata); - int (*modify_ah)(struct ib_ah *ah, - struct rdma_ah_attr *ah_attr); - int (*query_ah)(struct ib_ah *ah, - struct rdma_ah_attr *ah_attr); - int (*destroy_ah)(struct ib_ah *ah); - struct ib_srq * (*create_srq)(struct ib_pd *pd, - struct ib_srq_init_attr *srq_init_attr, - struct ib_udata *udata); - int (*modify_srq)(struct ib_srq *srq, - struct ib_srq_attr *srq_attr, - enum ib_srq_attr_mask srq_attr_mask, - struct ib_udata *udata); - int (*query_srq)(struct ib_srq *srq, - struct ib_srq_attr *srq_attr); - int (*destroy_srq)(struct ib_srq *srq); - int (*post_srq_recv)(struct ib_srq *srq, - const struct ib_recv_wr *recv_wr, - const struct ib_recv_wr **bad_recv_wr); - struct ib_qp * (*create_qp)(struct ib_pd *pd, - struct ib_qp_init_attr *qp_init_attr, - struct ib_udata *udata); - int (*modify_qp)(struct ib_qp *qp, - struct ib_qp_attr *qp_attr, - int qp_attr_mask, - struct ib_udata *udata); - int (*query_qp)(struct ib_qp *qp, - struct ib_qp_attr *qp_attr, - int qp_attr_mask, - struct ib_qp_init_attr *qp_init_attr); - int (*destroy_qp)(struct ib_qp *qp); - int (*post_send)(struct ib_qp *qp, - const struct ib_send_wr *send_wr, - const struct ib_send_wr **bad_send_wr); - int (*post_recv)(struct ib_qp *qp, - const struct ib_recv_wr *recv_wr, - const struct ib_recv_wr **bad_recv_wr); - struct ib_cq * (*create_cq)(struct ib_device *device, - const struct ib_cq_init_attr *attr, - struct ib_ucontext *context, - struct ib_udata *udata); - int (*modify_cq)(struct ib_cq *cq, u16 cq_count, - u16 cq_period); - int (*destroy_cq)(struct ib_cq *cq); - int (*resize_cq)(struct ib_cq *cq, int cqe, - struct ib_udata *udata); - int (*poll_cq)(struct ib_cq *cq, int num_entries, - struct ib_wc *wc); - int (*peek_cq)(struct ib_cq *cq, int wc_cnt); - int (*req_notify_cq)(struct ib_cq *cq, - enum ib_cq_notify_flags flags); - int (*req_ncomp_notif)(struct ib_cq *cq, - int wc_cnt); - struct ib_mr * (*get_dma_mr)(struct ib_pd *pd, - int mr_access_flags); - struct ib_mr * (*reg_user_mr)(struct ib_pd *pd, - u64 start, u64 length, - u64 virt_addr, - int mr_access_flags, - struct ib_udata *udata); - int (*rereg_user_mr)(struct ib_mr *mr, - int flags, - u64 start, u64 length, - u64 virt_addr, - int mr_access_flags, - struct ib_pd *pd, - struct ib_udata *udata); - int (*dereg_mr)(struct ib_mr *mr); - struct ib_mr * (*alloc_mr)(struct ib_pd *pd, - enum ib_mr_type mr_type, - u32 max_num_sg); - int (*map_mr_sg)(struct ib_mr *mr, - struct scatterlist *sg, - int sg_nents, - unsigned int *sg_offset); - struct ib_mw * (*alloc_mw)(struct ib_pd *pd, - enum ib_mw_type type, - struct ib_udata *udata); - int (*dealloc_mw)(struct ib_mw *mw); - struct ib_fmr * (*alloc_fmr)(struct ib_pd *pd, - int mr_access_flags, - struct ib_fmr_attr *fmr_attr); - int (*map_phys_fmr)(struct ib_fmr *fmr, - u64 *page_list, int list_len, - u64 iova); - int (*unmap_fmr)(struct list_head *fmr_list); - int (*dealloc_fmr)(struct ib_fmr *fmr); - int (*attach_mcast)(struct ib_qp *qp, - union ib_gid *gid, - u16 lid); - int (*detach_mcast)(struct ib_qp *qp, - union ib_gid *gid, - u16 lid); - int (*process_mad)(struct ib_device *device, - int process_mad_flags, - u8 port_num, - const struct ib_wc *in_wc, - const struct ib_grh *in_grh, - const struct ib_mad_hdr *in_mad, - size_t in_mad_size, - struct ib_mad_hdr *out_mad, - size_t *out_mad_size, - u16 *out_mad_pkey_index); - struct ib_xrcd * (*alloc_xrcd)(struct ib_device *device, - struct ib_ucontext *ucontext, - struct ib_udata *udata); - int (*dealloc_xrcd)(struct ib_xrcd *xrcd); - struct ib_flow * (*create_flow)(struct ib_qp *qp, - struct ib_flow_attr - *flow_attr, - int domain, - struct ib_udata *udata); - int (*destroy_flow)(struct ib_flow *flow_id); - int (*check_mr_status)(struct ib_mr *mr, u32 check_mask, - struct ib_mr_status *mr_status); - void (*disassociate_ucontext)(struct ib_ucontext *ibcontext); - void (*drain_rq)(struct ib_qp *qp); - void (*drain_sq)(struct ib_qp *qp); - int (*set_vf_link_state)(struct ib_device *device, int vf, u8 port, - int state); - int (*get_vf_config)(struct ib_device *device, int vf, u8 port, - struct ifla_vf_info *ivf); - int (*get_vf_stats)(struct ib_device *device, int vf, u8 port, - struct ifla_vf_stats *stats); - int (*set_vf_guid)(struct ib_device *device, int vf, u8 port, u64 guid, - int type); - struct ib_wq * (*create_wq)(struct ib_pd *pd, - struct ib_wq_init_attr *init_attr, - struct ib_udata *udata); - int (*destroy_wq)(struct ib_wq *wq); - int (*modify_wq)(struct ib_wq *wq, - struct ib_wq_attr *attr, - u32 wq_attr_mask, - struct ib_udata *udata); - struct ib_rwq_ind_table * (*create_rwq_ind_table)(struct ib_device *device, - struct ib_rwq_ind_table_init_attr *init_attr, - struct ib_udata *udata); - int (*destroy_rwq_ind_table)(struct ib_rwq_ind_table *wq_ind_table); - struct ib_flow_action * (*create_flow_action_esp)(struct ib_device *device, - const struct ib_flow_action_attrs_esp *attr, - struct uverbs_attr_bundle *attrs); - int (*destroy_flow_action)(struct ib_flow_action *action); - int (*modify_flow_action_esp)(struct ib_flow_action *action, - const struct ib_flow_action_attrs_esp *attr, - struct uverbs_attr_bundle *attrs); - struct ib_dm * (*alloc_dm)(struct ib_device *device, - struct ib_ucontext *context, - struct ib_dm_alloc_attr *attr, - struct uverbs_attr_bundle *attrs); - int (*dealloc_dm)(struct ib_dm *dm); - struct ib_mr * (*reg_dm_mr)(struct ib_pd *pd, struct ib_dm *dm, - struct ib_dm_mr_attr *attr, - struct uverbs_attr_bundle *attrs); - struct ib_counters * (*create_counters)(struct ib_device *device, - struct uverbs_attr_bundle *attrs); - int (*destroy_counters)(struct ib_counters *counters); - int (*read_counters)(struct ib_counters *counters, - struct ib_counters_read_attr *counters_read_attr, - struct uverbs_attr_bundle *attrs); - - /** - * rdma netdev operation - * - * Driver implementing alloc_rdma_netdev or rdma_netdev_get_params - * must return -EOPNOTSUPP if it doesn't support the specified type. - */ - struct net_device *(*alloc_rdma_netdev)( - struct ib_device *device, - u8 port_num, - enum rdma_netdev_t type, - const char *name, - unsigned char name_assign_type, - void (*setup)(struct net_device *)); - - int (*rdma_netdev_get_params)(struct ib_device *device, u8 port_num, - enum rdma_netdev_t type, - struct rdma_netdev_alloc_params *params); - struct module *owner; struct device dev; /* First group for device attributes, @@ -2840,17 +2573,6 @@ struct ib_device { */ struct rdma_restrack_root res; - /** - * The following mandatory functions are used only at device - * registration. Keep functions such as these at the end of this - * structure to avoid cache line misses when accessing struct ib_device - * in fast paths. - */ - int (*get_port_immutable)(struct ib_device *, u8, struct ib_port_immutable *); - void (*get_dev_fw_str)(struct ib_device *, char *str); - const struct cpumask *(*get_vector_affinity)(struct ib_device *ibdev, - int comp_vector); - const struct uapi_definition *driver_def; enum rdma_driver_id driver_id; /* @@ -3365,7 +3087,7 @@ static inline bool rdma_cap_roce_gid_table(const struct ib_device *device, u8 port_num) { return rdma_protocol_roce(device, port_num) && - device->add_gid && device->del_gid; + device->ops.add_gid && device->ops.del_gid; } /* @@ -3589,7 +3311,8 @@ static inline int ib_post_srq_recv(struct ib_srq *srq, { const struct ib_recv_wr *dummy; - return srq->device->post_srq_recv(srq, recv_wr, bad_recv_wr ? : &dummy); + return srq->device->ops.post_srq_recv(srq, recv_wr, + bad_recv_wr ? : &dummy); } /** @@ -3692,7 +3415,7 @@ static inline int ib_post_send(struct ib_qp *qp, { const struct ib_send_wr *dummy; - return qp->device->post_send(qp, send_wr, bad_send_wr ? : &dummy); + return qp->device->ops.post_send(qp, send_wr, bad_send_wr ? : &dummy); } /** @@ -3709,7 +3432,7 @@ static inline int ib_post_recv(struct ib_qp *qp, { const struct ib_recv_wr *dummy; - return qp->device->post_recv(qp, recv_wr, bad_recv_wr ? : &dummy); + return qp->device->ops.post_recv(qp, recv_wr, bad_recv_wr ? : &dummy); } struct ib_cq *__ib_alloc_cq(struct ib_device *dev, void *private, @@ -3782,7 +3505,7 @@ int ib_destroy_cq(struct ib_cq *cq); static inline int ib_poll_cq(struct ib_cq *cq, int num_entries, struct ib_wc *wc) { - return cq->device->poll_cq(cq, num_entries, wc); + return cq->device->ops.poll_cq(cq, num_entries, wc); } /** @@ -3815,7 +3538,7 @@ static inline int ib_poll_cq(struct ib_cq *cq, int num_entries, static inline int ib_req_notify_cq(struct ib_cq *cq, enum ib_cq_notify_flags flags) { - return cq->device->req_notify_cq(cq, flags); + return cq->device->ops.req_notify_cq(cq, flags); } /** @@ -3827,8 +3550,8 @@ static inline int ib_req_notify_cq(struct ib_cq *cq, */ static inline int ib_req_ncomp_notif(struct ib_cq *cq, int wc_cnt) { - return cq->device->req_ncomp_notif ? - cq->device->req_ncomp_notif(cq, wc_cnt) : + return cq->device->ops.req_ncomp_notif ? + cq->device->ops.req_ncomp_notif(cq, wc_cnt) : -ENOSYS; } @@ -4092,7 +3815,7 @@ static inline int ib_map_phys_fmr(struct ib_fmr *fmr, u64 *page_list, int list_len, u64 iova) { - return fmr->device->map_phys_fmr(fmr, page_list, list_len, iova); + return fmr->device->ops.map_phys_fmr(fmr, page_list, list_len, iova); } /** @@ -4445,10 +4168,10 @@ static inline const struct cpumask * ib_get_vector_affinity(struct ib_device *device, int comp_vector) { if (comp_vector < 0 || comp_vector >= device->num_comp_vectors || - !device->get_vector_affinity) + !device->ops.get_vector_affinity) return NULL; - return device->get_vector_affinity(device, comp_vector); + return device->ops.get_vector_affinity(device, comp_vector); } diff --git a/include/rdma/uverbs_ioctl.h b/include/rdma/uverbs_ioctl.h index 7f83265f6298..839a857aa329 100644 --- a/include/rdma/uverbs_ioctl.h +++ b/include/rdma/uverbs_ioctl.h @@ -419,10 +419,10 @@ struct uapi_definition { .kind = UAPI_DEF_IS_SUPPORTED_DEV_FN, \ .scope = UAPI_SCOPE_OBJECT, \ .needs_fn_offset = \ - offsetof(struct ib_device, ibdev_fn) + \ + offsetof(struct ib_device_ops, ibdev_fn) + \ BUILD_BUG_ON_ZERO( \ - sizeof(((struct ib_device *)0)->ibdev_fn) != \ - sizeof(void *)), \ + sizeof(((struct ib_device_ops *)0)->ibdev_fn) != \ + sizeof(void *)), \ } /* @@ -434,10 +434,10 @@ struct uapi_definition { .kind = UAPI_DEF_IS_SUPPORTED_DEV_FN, \ .scope = UAPI_SCOPE_METHOD, \ .needs_fn_offset = \ - offsetof(struct ib_device, ibdev_fn) + \ + offsetof(struct ib_device_ops, ibdev_fn) + \ BUILD_BUG_ON_ZERO( \ - sizeof(((struct ib_device *)0)->ibdev_fn) != \ - sizeof(void *)), \ + sizeof(((struct ib_device_ops *)0)->ibdev_fn) != \ + sizeof(void *)), \ } /* Call a function to determine if the entire object is supported or not */ diff --git a/net/rds/ib.c b/net/rds/ib.c index eba75c1ba359..9d7b7586f240 100644 --- a/net/rds/ib.c +++ b/net/rds/ib.c @@ -148,8 +148,8 @@ static void rds_ib_add_one(struct ib_device *device) has_fr = (device->attrs.device_cap_flags & IB_DEVICE_MEM_MGT_EXTENSIONS); - has_fmr = (device->alloc_fmr && device->dealloc_fmr && - device->map_phys_fmr && device->unmap_fmr); + has_fmr = (device->ops.alloc_fmr && device->ops.dealloc_fmr && + device->ops.map_phys_fmr && device->ops.unmap_fmr); rds_ibdev->use_fastreg = (has_fr && !has_fmr); rds_ibdev->fmr_max_remaps = device->attrs.max_map_per_fmr?: 32; diff --git a/net/sunrpc/xprtrdma/fmr_ops.c b/net/sunrpc/xprtrdma/fmr_ops.c index 7f5632cd5a48..fd8fea59fe92 100644 --- a/net/sunrpc/xprtrdma/fmr_ops.c +++ b/net/sunrpc/xprtrdma/fmr_ops.c @@ -41,7 +41,7 @@ enum { bool fmr_is_supported(struct rpcrdma_ia *ia) { - if (!ia->ri_device->alloc_fmr) { + if (!ia->ri_device->ops.alloc_fmr) { pr_info("rpcrdma: 'fmr' mode is not supported by device %s\n", ia->ri_device->name); return false; -- cgit v1.2.3-55-g7522 From 4fa2813d26c82680216e535c18a690ca0c4e860a Mon Sep 17 00:00:00 2001 From: Michael Guralnik Date: Sun, 9 Dec 2018 11:58:05 +0200 Subject: RDMA/nldev: Expose port_cap_flags2 port_cap_flags2 represents IBTA PortInfo:CapabilityMask2. The field safely extends the RDMA_NLDEV_ATTR_CAP_FLAGS operand as it was exported as 64 bit to allow this kind of extension. Signed-off-by: Michael Guralnik Signed-off-by: Leon Romanovsky Signed-off-by: Jason Gunthorpe --- drivers/infiniband/core/nldev.c | 9 ++++++--- include/uapi/rdma/rdma_netlink.h | 3 +++ 2 files changed, 9 insertions(+), 3 deletions(-) (limited to 'drivers/infiniband/core/nldev.c') diff --git a/drivers/infiniband/core/nldev.c b/drivers/infiniband/core/nldev.c index 093bbfcdc53b..e600fc23ae62 100644 --- a/drivers/infiniband/core/nldev.c +++ b/drivers/infiniband/core/nldev.c @@ -227,6 +227,7 @@ static int fill_port_info(struct sk_buff *msg, struct net_device *netdev = NULL; struct ib_port_attr attr; int ret; + u64 cap_flags = 0; if (fill_nldev_handle(msg, device)) return -EMSGSIZE; @@ -239,10 +240,12 @@ static int fill_port_info(struct sk_buff *msg, return ret; if (rdma_protocol_ib(device, port)) { - BUILD_BUG_ON(sizeof(attr.port_cap_flags) > sizeof(u64)); + BUILD_BUG_ON((sizeof(attr.port_cap_flags) + + sizeof(attr.port_cap_flags2)) > sizeof(u64)); + cap_flags = attr.port_cap_flags | + ((u64)attr.port_cap_flags2 << 32); if (nla_put_u64_64bit(msg, RDMA_NLDEV_ATTR_CAP_FLAGS, - (u64)attr.port_cap_flags, - RDMA_NLDEV_ATTR_PAD)) + cap_flags, RDMA_NLDEV_ATTR_PAD)) return -EMSGSIZE; if (nla_put_u64_64bit(msg, RDMA_NLDEV_ATTR_SUBNET_PREFIX, attr.subnet_prefix, RDMA_NLDEV_ATTR_PAD)) diff --git a/include/uapi/rdma/rdma_netlink.h b/include/uapi/rdma/rdma_netlink.h index f9c41bf59efc..2e18b77a817f 100644 --- a/include/uapi/rdma/rdma_netlink.h +++ b/include/uapi/rdma/rdma_netlink.h @@ -283,6 +283,9 @@ enum rdma_nldev_attr { /* * Device and port capabilities + * + * When used for port info, first 32-bits are CapabilityMask followed by + * 16-bit CapabilityMask2. */ RDMA_NLDEV_ATTR_CAP_FLAGS, /* u64 */ -- cgit v1.2.3-55-g7522