diff options
Diffstat (limited to 'drivers/infiniband/core/uverbs_cmd.c')
-rw-r--r-- | drivers/infiniband/core/uverbs_cmd.c | 125 |
1 files changed, 53 insertions, 72 deletions
diff --git a/drivers/infiniband/core/uverbs_cmd.c b/drivers/infiniband/core/uverbs_cmd.c index 0cef1863e2dc..d31e4bc58e9a 100644 --- a/drivers/infiniband/core/uverbs_cmd.c +++ b/drivers/infiniband/core/uverbs_cmd.c @@ -91,8 +91,8 @@ ssize_t ib_uverbs_get_context(struct ib_uverbs_file *file, goto err; } - INIT_UDATA(&udata, buf + sizeof(cmd), - (unsigned long) cmd.response + sizeof(resp), + ib_uverbs_init_udata(&udata, buf + sizeof(cmd), + u64_to_user_ptr(cmd.response) + sizeof(resp), in_len - sizeof(cmd) - sizeof(struct ib_uverbs_cmd_hdr), out_len - sizeof(resp)); @@ -141,8 +141,7 @@ ssize_t ib_uverbs_get_context(struct ib_uverbs_file *file, goto err_fd; } - if (copy_to_user((void __user *) (unsigned long) cmd.response, - &resp, sizeof resp)) { + if (copy_to_user(u64_to_user_ptr(cmd.response), &resp, sizeof resp)) { ret = -EFAULT; goto err_file; } @@ -238,8 +237,7 @@ ssize_t ib_uverbs_query_device(struct ib_uverbs_file *file, memset(&resp, 0, sizeof resp); copy_query_dev_fields(file, ib_dev, &resp, &ib_dev->attrs); - if (copy_to_user((void __user *) (unsigned long) cmd.response, - &resp, sizeof resp)) + if (copy_to_user(u64_to_user_ptr(cmd.response), &resp, sizeof resp)) return -EFAULT; return in_len; @@ -295,8 +293,7 @@ ssize_t ib_uverbs_query_port(struct ib_uverbs_file *file, resp.link_layer = rdma_port_get_link_layer(ib_dev, cmd.port_num); - if (copy_to_user((void __user *) (unsigned long) cmd.response, - &resp, sizeof resp)) + if (copy_to_user(u64_to_user_ptr(cmd.response), &resp, sizeof resp)) return -EFAULT; return in_len; @@ -320,8 +317,8 @@ ssize_t ib_uverbs_alloc_pd(struct ib_uverbs_file *file, if (copy_from_user(&cmd, buf, sizeof cmd)) return -EFAULT; - INIT_UDATA(&udata, buf + sizeof(cmd), - (unsigned long) cmd.response + sizeof(resp), + ib_uverbs_init_udata(&udata, buf + sizeof(cmd), + u64_to_user_ptr(cmd.response) + sizeof(resp), in_len - sizeof(cmd) - sizeof(struct ib_uverbs_cmd_hdr), out_len - sizeof(resp)); @@ -344,8 +341,7 @@ ssize_t ib_uverbs_alloc_pd(struct ib_uverbs_file *file, memset(&resp, 0, sizeof resp); resp.pd_handle = uobj->id; - if (copy_to_user((void __user *) (unsigned long) cmd.response, - &resp, sizeof resp)) { + if (copy_to_user(u64_to_user_ptr(cmd.response), &resp, sizeof resp)) { ret = -EFAULT; goto err_copy; } @@ -490,8 +486,8 @@ ssize_t ib_uverbs_open_xrcd(struct ib_uverbs_file *file, if (copy_from_user(&cmd, buf, sizeof cmd)) return -EFAULT; - INIT_UDATA(&udata, buf + sizeof(cmd), - (unsigned long) cmd.response + sizeof(resp), + ib_uverbs_init_udata(&udata, buf + sizeof(cmd), + u64_to_user_ptr(cmd.response) + sizeof(resp), in_len - sizeof(cmd) - sizeof(struct ib_uverbs_cmd_hdr), out_len - sizeof(resp)); @@ -556,8 +552,7 @@ ssize_t ib_uverbs_open_xrcd(struct ib_uverbs_file *file, atomic_inc(&xrcd->usecnt); } - if (copy_to_user((void __user *) (unsigned long) cmd.response, - &resp, sizeof resp)) { + if (copy_to_user(u64_to_user_ptr(cmd.response), &resp, sizeof resp)) { ret = -EFAULT; goto err_copy; } @@ -655,8 +650,8 @@ ssize_t ib_uverbs_reg_mr(struct ib_uverbs_file *file, if (copy_from_user(&cmd, buf, sizeof cmd)) return -EFAULT; - INIT_UDATA(&udata, buf + sizeof(cmd), - (unsigned long) cmd.response + sizeof(resp), + ib_uverbs_init_udata(&udata, buf + sizeof(cmd), + u64_to_user_ptr(cmd.response) + sizeof(resp), in_len - sizeof(cmd) - sizeof(struct ib_uverbs_cmd_hdr), out_len - sizeof(resp)); @@ -705,8 +700,7 @@ ssize_t ib_uverbs_reg_mr(struct ib_uverbs_file *file, resp.rkey = mr->rkey; resp.mr_handle = uobj->id; - if (copy_to_user((void __user *) (unsigned long) cmd.response, - &resp, sizeof resp)) { + if (copy_to_user(u64_to_user_ptr(cmd.response), &resp, sizeof resp)) { ret = -EFAULT; goto err_copy; } @@ -748,8 +742,8 @@ ssize_t ib_uverbs_rereg_mr(struct ib_uverbs_file *file, if (copy_from_user(&cmd, buf, sizeof(cmd))) return -EFAULT; - INIT_UDATA(&udata, buf + sizeof(cmd), - (unsigned long) cmd.response + sizeof(resp), + ib_uverbs_init_udata(&udata, buf + sizeof(cmd), + u64_to_user_ptr(cmd.response) + sizeof(resp), in_len - sizeof(cmd) - sizeof(struct ib_uverbs_cmd_hdr), out_len - sizeof(resp)); @@ -800,8 +794,7 @@ ssize_t ib_uverbs_rereg_mr(struct ib_uverbs_file *file, resp.lkey = mr->lkey; resp.rkey = mr->rkey; - if (copy_to_user((void __user *)(unsigned long)cmd.response, - &resp, sizeof(resp))) + if (copy_to_user(u64_to_user_ptr(cmd.response), &resp, sizeof(resp))) ret = -EFAULT; else ret = in_len; @@ -867,8 +860,8 @@ ssize_t ib_uverbs_alloc_mw(struct ib_uverbs_file *file, goto err_free; } - INIT_UDATA(&udata, buf + sizeof(cmd), - (unsigned long)cmd.response + sizeof(resp), + ib_uverbs_init_udata(&udata, buf + sizeof(cmd), + u64_to_user_ptr(cmd.response) + sizeof(resp), in_len - sizeof(cmd) - sizeof(struct ib_uverbs_cmd_hdr), out_len - sizeof(resp)); @@ -889,8 +882,7 @@ ssize_t ib_uverbs_alloc_mw(struct ib_uverbs_file *file, resp.rkey = mw->rkey; resp.mw_handle = uobj->id; - if (copy_to_user((void __user *)(unsigned long)cmd.response, - &resp, sizeof(resp))) { + if (copy_to_user(u64_to_user_ptr(cmd.response), &resp, sizeof(resp))) { ret = -EFAULT; goto err_copy; } @@ -956,8 +948,7 @@ ssize_t ib_uverbs_create_comp_channel(struct ib_uverbs_file *file, uobj_file.uobj); ib_uverbs_init_event_queue(&ev_file->ev_queue); - if (copy_to_user((void __user *) (unsigned long) cmd.response, - &resp, sizeof resp)) { + if (copy_to_user(u64_to_user_ptr(cmd.response), &resp, sizeof resp)) { uobj_alloc_abort(uobj); return -EFAULT; } @@ -1087,10 +1078,11 @@ ssize_t ib_uverbs_create_cq(struct ib_uverbs_file *file, if (copy_from_user(&cmd, buf, sizeof(cmd))) return -EFAULT; - INIT_UDATA(&ucore, buf, (unsigned long)cmd.response, sizeof(cmd), sizeof(resp)); + ib_uverbs_init_udata(&ucore, buf, u64_to_user_ptr(cmd.response), + sizeof(cmd), sizeof(resp)); - INIT_UDATA(&uhw, buf + sizeof(cmd), - (unsigned long)cmd.response + sizeof(resp), + ib_uverbs_init_udata(&uhw, buf + sizeof(cmd), + u64_to_user_ptr(cmd.response) + sizeof(resp), in_len - sizeof(cmd) - sizeof(struct ib_uverbs_cmd_hdr), out_len - sizeof(resp)); @@ -1173,8 +1165,8 @@ ssize_t ib_uverbs_resize_cq(struct ib_uverbs_file *file, if (copy_from_user(&cmd, buf, sizeof cmd)) return -EFAULT; - INIT_UDATA(&udata, buf + sizeof(cmd), - (unsigned long) cmd.response + sizeof(resp), + ib_uverbs_init_udata(&udata, buf + sizeof(cmd), + u64_to_user_ptr(cmd.response) + sizeof(resp), in_len - sizeof(cmd) - sizeof(struct ib_uverbs_cmd_hdr), out_len - sizeof(resp)); @@ -1188,8 +1180,7 @@ ssize_t ib_uverbs_resize_cq(struct ib_uverbs_file *file, resp.cqe = cq->cqe; - if (copy_to_user((void __user *) (unsigned long) cmd.response, - &resp, sizeof resp.cqe)) + if (copy_to_user(u64_to_user_ptr(cmd.response), &resp, sizeof resp.cqe)) ret = -EFAULT; out: @@ -1249,7 +1240,7 @@ ssize_t ib_uverbs_poll_cq(struct ib_uverbs_file *file, return -EINVAL; /* we copy a struct ib_uverbs_poll_cq_resp to user space */ - header_ptr = (void __user *)(unsigned long) cmd.response; + header_ptr = u64_to_user_ptr(cmd.response); data_ptr = header_ptr + sizeof resp; memset(&resp, 0, sizeof resp); @@ -1343,8 +1334,7 @@ ssize_t ib_uverbs_destroy_cq(struct ib_uverbs_file *file, resp.async_events_reported = obj->async_events_reported; uverbs_uobject_put(uobj); - if (copy_to_user((void __user *) (unsigned long) cmd.response, - &resp, sizeof resp)) + if (copy_to_user(u64_to_user_ptr(cmd.response), &resp, sizeof resp)) return -EFAULT; return in_len; @@ -1650,10 +1640,10 @@ ssize_t ib_uverbs_create_qp(struct ib_uverbs_file *file, if (copy_from_user(&cmd, buf, sizeof(cmd))) return -EFAULT; - INIT_UDATA(&ucore, buf, (unsigned long)cmd.response, sizeof(cmd), - resp_size); - INIT_UDATA(&uhw, buf + sizeof(cmd), - (unsigned long)cmd.response + resp_size, + ib_uverbs_init_udata(&ucore, buf, u64_to_user_ptr(cmd.response), + sizeof(cmd), resp_size); + ib_uverbs_init_udata(&uhw, buf + sizeof(cmd), + u64_to_user_ptr(cmd.response) + resp_size, in_len - sizeof(cmd) - sizeof(struct ib_uverbs_cmd_hdr), out_len - resp_size); @@ -1750,8 +1740,8 @@ ssize_t ib_uverbs_open_qp(struct ib_uverbs_file *file, if (copy_from_user(&cmd, buf, sizeof cmd)) return -EFAULT; - INIT_UDATA(&udata, buf + sizeof(cmd), - (unsigned long) cmd.response + sizeof(resp), + ib_uverbs_init_udata(&udata, buf + sizeof(cmd), + u64_to_user_ptr(cmd.response) + sizeof(resp), in_len - sizeof(cmd) - sizeof(struct ib_uverbs_cmd_hdr), out_len - sizeof(resp)); @@ -1795,8 +1785,7 @@ ssize_t ib_uverbs_open_qp(struct ib_uverbs_file *file, resp.qpn = qp->qp_num; resp.qp_handle = obj->uevent.uobject.id; - if (copy_to_user((void __user *) (unsigned long) cmd.response, - &resp, sizeof resp)) { + if (copy_to_user(u64_to_user_ptr(cmd.response), &resp, sizeof resp)) { ret = -EFAULT; goto err_destroy; } @@ -1911,8 +1900,7 @@ ssize_t ib_uverbs_query_qp(struct ib_uverbs_file *file, resp.max_inline_data = init_attr->cap.max_inline_data; resp.sq_sig_all = init_attr->sq_sig_type == IB_SIGNAL_ALL_WR; - if (copy_to_user((void __user *) (unsigned long) cmd.response, - &resp, sizeof resp)) + if (copy_to_user(u64_to_user_ptr(cmd.response), &resp, sizeof resp)) ret = -EFAULT; out: @@ -2042,7 +2030,7 @@ ssize_t ib_uverbs_modify_qp(struct ib_uverbs_file *file, ~((IB_USER_LEGACY_LAST_QP_ATTR_MASK << 1) - 1)) return -EOPNOTSUPP; - INIT_UDATA(&udata, buf + sizeof(cmd.base), NULL, + ib_uverbs_init_udata(&udata, buf + sizeof(cmd.base), NULL, in_len - sizeof(cmd.base) - sizeof(struct ib_uverbs_cmd_hdr), out_len); @@ -2126,8 +2114,7 @@ ssize_t ib_uverbs_destroy_qp(struct ib_uverbs_file *file, resp.events_reported = obj->uevent.events_reported; uverbs_uobject_put(uobj); - if (copy_to_user((void __user *) (unsigned long) cmd.response, - &resp, sizeof resp)) + if (copy_to_user(u64_to_user_ptr(cmd.response), &resp, sizeof resp)) return -EFAULT; return in_len; @@ -2311,8 +2298,7 @@ ssize_t ib_uverbs_post_send(struct ib_uverbs_file *file, break; } - if (copy_to_user((void __user *) (unsigned long) cmd.response, - &resp, sizeof resp)) + if (copy_to_user(u64_to_user_ptr(cmd.response), &resp, sizeof resp)) ret = -EFAULT; out_put: @@ -2460,8 +2446,7 @@ ssize_t ib_uverbs_post_recv(struct ib_uverbs_file *file, } } - if (copy_to_user((void __user *) (unsigned long) cmd.response, - &resp, sizeof resp)) + if (copy_to_user(u64_to_user_ptr(cmd.response), &resp, sizeof resp)) ret = -EFAULT; out: @@ -2510,8 +2495,7 @@ ssize_t ib_uverbs_post_srq_recv(struct ib_uverbs_file *file, break; } - if (copy_to_user((void __user *) (unsigned long) cmd.response, - &resp, sizeof resp)) + if (copy_to_user(u64_to_user_ptr(cmd.response), &resp, sizeof resp)) ret = -EFAULT; out: @@ -2547,8 +2531,8 @@ ssize_t ib_uverbs_create_ah(struct ib_uverbs_file *file, if (!rdma_is_port_valid(ib_dev, cmd.attr.port_num)) return -EINVAL; - INIT_UDATA(&udata, buf + sizeof(cmd), - (unsigned long)cmd.response + sizeof(resp), + ib_uverbs_init_udata(&udata, buf + sizeof(cmd), + u64_to_user_ptr(cmd.response) + sizeof(resp), in_len - sizeof(cmd) - sizeof(struct ib_uverbs_cmd_hdr), out_len - sizeof(resp)); @@ -2592,8 +2576,7 @@ ssize_t ib_uverbs_create_ah(struct ib_uverbs_file *file, resp.ah_handle = uobj->id; - if (copy_to_user((void __user *) (unsigned long) cmd.response, - &resp, sizeof resp)) { + if (copy_to_user(u64_to_user_ptr(cmd.response), &resp, sizeof resp)) { ret = -EFAULT; goto err_copy; } @@ -3619,8 +3602,8 @@ ssize_t ib_uverbs_create_srq(struct ib_uverbs_file *file, xcmd.max_sge = cmd.max_sge; xcmd.srq_limit = cmd.srq_limit; - INIT_UDATA(&udata, buf + sizeof(cmd), - (unsigned long) cmd.response + sizeof(resp), + ib_uverbs_init_udata(&udata, buf + sizeof(cmd), + u64_to_user_ptr(cmd.response) + sizeof(resp), in_len - sizeof(cmd) - sizeof(struct ib_uverbs_cmd_hdr), out_len - sizeof(resp)); @@ -3646,8 +3629,8 @@ ssize_t ib_uverbs_create_xsrq(struct ib_uverbs_file *file, if (copy_from_user(&cmd, buf, sizeof cmd)) return -EFAULT; - INIT_UDATA(&udata, buf + sizeof(cmd), - (unsigned long) cmd.response + sizeof(resp), + ib_uverbs_init_udata(&udata, buf + sizeof(cmd), + u64_to_user_ptr(cmd.response) + sizeof(resp), in_len - sizeof(cmd) - sizeof(struct ib_uverbs_cmd_hdr), out_len - sizeof(resp)); @@ -3672,7 +3655,7 @@ ssize_t ib_uverbs_modify_srq(struct ib_uverbs_file *file, if (copy_from_user(&cmd, buf, sizeof cmd)) return -EFAULT; - INIT_UDATA(&udata, buf + sizeof cmd, NULL, in_len - sizeof cmd, + ib_uverbs_init_udata(&udata, buf + sizeof cmd, NULL, in_len - sizeof cmd, out_len); srq = uobj_get_obj_read(srq, cmd.srq_handle, file->ucontext); @@ -3723,8 +3706,7 @@ ssize_t ib_uverbs_query_srq(struct ib_uverbs_file *file, resp.max_sge = attr.max_sge; resp.srq_limit = attr.srq_limit; - if (copy_to_user((void __user *) (unsigned long) cmd.response, - &resp, sizeof resp)) + if (copy_to_user(u64_to_user_ptr(cmd.response), &resp, sizeof resp)) return -EFAULT; return in_len; @@ -3765,8 +3747,7 @@ ssize_t ib_uverbs_destroy_srq(struct ib_uverbs_file *file, } resp.events_reported = obj->events_reported; uverbs_uobject_put(uobj); - if (copy_to_user((void __user *)(unsigned long)cmd.response, - &resp, sizeof(resp))) + if (copy_to_user(u64_to_user_ptr(cmd.response), &resp, sizeof(resp))) return -EFAULT; return in_len; |