/*
* Copyright (c) 2005 Topspin Communications. All rights reserved.
- * Copyright (c) 2005, 2006 Cisco Systems. All rights reserved.
+ * Copyright (c) 2005 Cisco Systems. All rights reserved.
* Copyright (c) 2005 PathScale, Inc. All rights reserved.
- * Copyright (c) 2006 Mellanox Technologies. All rights reserved.
*
* This software is available to you under a choice of one of two
* licenses. You may choose to be licensed under the terms of the GNU
return ret;
}
-ssize_t ib_uverbs_resize_cq(struct ib_uverbs_file *file,
- const char __user *buf, int in_len,
- int out_len)
-{
- struct ib_uverbs_resize_cq cmd;
- struct ib_uverbs_resize_cq_resp resp;
- struct ib_udata udata;
- struct ib_cq *cq;
- int ret = -EINVAL;
-
- if (copy_from_user(&cmd, buf, sizeof cmd))
- return -EFAULT;
-
- INIT_UDATA(&udata, buf + sizeof cmd,
- (unsigned long) cmd.response + sizeof resp,
- in_len - sizeof cmd, out_len - sizeof resp);
-
- mutex_lock(&ib_uverbs_idr_mutex);
-
- cq = idr_find(&ib_uverbs_cq_idr, cmd.cq_handle);
- if (!cq || cq->uobject->context != file->ucontext || !cq->device->resize_cq)
- goto out;
-
- ret = cq->device->resize_cq(cq, cmd.cqe, &udata);
- if (ret)
- goto out;
-
- memset(&resp, 0, sizeof resp);
- resp.cqe = cq->cqe;
-
- if (copy_to_user((void __user *) (unsigned long) cmd.response,
- &resp, sizeof resp))
- ret = -EFAULT;
-
-out:
- mutex_unlock(&ib_uverbs_idr_mutex);
-
- return ret ? ret : in_len;
-}
-
ssize_t ib_uverbs_poll_cq(struct ib_uverbs_file *file,
const char __user *buf, int in_len,
int out_len)
return ret;
}
-ssize_t ib_uverbs_query_qp(struct ib_uverbs_file *file,
- const char __user *buf, int in_len,
- int out_len)
-{
- struct ib_uverbs_query_qp cmd;
- struct ib_uverbs_query_qp_resp resp;
- struct ib_qp *qp;
- struct ib_qp_attr *attr;
- struct ib_qp_init_attr *init_attr;
- int ret;
-
- if (copy_from_user(&cmd, buf, sizeof cmd))
- return -EFAULT;
-
- attr = kmalloc(sizeof *attr, GFP_KERNEL);
- init_attr = kmalloc(sizeof *init_attr, GFP_KERNEL);
- if (!attr || !init_attr) {
- ret = -ENOMEM;
- goto out;
- }
-
- mutex_lock(&ib_uverbs_idr_mutex);
-
- qp = idr_find(&ib_uverbs_qp_idr, cmd.qp_handle);
- if (qp && qp->uobject->context == file->ucontext)
- ret = ib_query_qp(qp, attr, cmd.attr_mask, init_attr);
- else
- ret = -EINVAL;
-
- mutex_unlock(&ib_uverbs_idr_mutex);
-
- if (ret)
- goto out;
-
- memset(&resp, 0, sizeof resp);
-
- resp.qp_state = attr->qp_state;
- resp.cur_qp_state = attr->cur_qp_state;
- resp.path_mtu = attr->path_mtu;
- resp.path_mig_state = attr->path_mig_state;
- resp.qkey = attr->qkey;
- resp.rq_psn = attr->rq_psn;
- resp.sq_psn = attr->sq_psn;
- resp.dest_qp_num = attr->dest_qp_num;
- resp.qp_access_flags = attr->qp_access_flags;
- resp.pkey_index = attr->pkey_index;
- resp.alt_pkey_index = attr->alt_pkey_index;
- resp.en_sqd_async_notify = attr->en_sqd_async_notify;
- resp.max_rd_atomic = attr->max_rd_atomic;
- resp.max_dest_rd_atomic = attr->max_dest_rd_atomic;
- resp.min_rnr_timer = attr->min_rnr_timer;
- resp.port_num = attr->port_num;
- resp.timeout = attr->timeout;
- resp.retry_cnt = attr->retry_cnt;
- resp.rnr_retry = attr->rnr_retry;
- resp.alt_port_num = attr->alt_port_num;
- resp.alt_timeout = attr->alt_timeout;
-
- memcpy(resp.dest.dgid, attr->ah_attr.grh.dgid.raw, 16);
- resp.dest.flow_label = attr->ah_attr.grh.flow_label;
- resp.dest.sgid_index = attr->ah_attr.grh.sgid_index;
- resp.dest.hop_limit = attr->ah_attr.grh.hop_limit;
- resp.dest.traffic_class = attr->ah_attr.grh.traffic_class;
- resp.dest.dlid = attr->ah_attr.dlid;
- resp.dest.sl = attr->ah_attr.sl;
- resp.dest.src_path_bits = attr->ah_attr.src_path_bits;
- resp.dest.static_rate = attr->ah_attr.static_rate;
- resp.dest.is_global = !!(attr->ah_attr.ah_flags & IB_AH_GRH);
- resp.dest.port_num = attr->ah_attr.port_num;
-
- memcpy(resp.alt_dest.dgid, attr->alt_ah_attr.grh.dgid.raw, 16);
- resp.alt_dest.flow_label = attr->alt_ah_attr.grh.flow_label;
- resp.alt_dest.sgid_index = attr->alt_ah_attr.grh.sgid_index;
- resp.alt_dest.hop_limit = attr->alt_ah_attr.grh.hop_limit;
- resp.alt_dest.traffic_class = attr->alt_ah_attr.grh.traffic_class;
- resp.alt_dest.dlid = attr->alt_ah_attr.dlid;
- resp.alt_dest.sl = attr->alt_ah_attr.sl;
- resp.alt_dest.src_path_bits = attr->alt_ah_attr.src_path_bits;
- resp.alt_dest.static_rate = attr->alt_ah_attr.static_rate;
- resp.alt_dest.is_global = !!(attr->alt_ah_attr.ah_flags & IB_AH_GRH);
- resp.alt_dest.port_num = attr->alt_ah_attr.port_num;
-
- resp.max_send_wr = init_attr->cap.max_send_wr;
- resp.max_recv_wr = init_attr->cap.max_recv_wr;
- resp.max_send_sge = init_attr->cap.max_send_sge;
- resp.max_recv_sge = init_attr->cap.max_recv_sge;
- 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))
- ret = -EFAULT;
-
-out:
- kfree(attr);
- kfree(init_attr);
-
- return ret ? ret : in_len;
-}
-
ssize_t ib_uverbs_modify_qp(struct ib_uverbs_file *file,
const char __user *buf, int in_len,
int out_len)
attr->dest_qp_num = cmd.dest_qp_num;
attr->qp_access_flags = cmd.qp_access_flags;
attr->pkey_index = cmd.pkey_index;
- attr->alt_pkey_index = cmd.alt_pkey_index;
+ attr->alt_pkey_index = cmd.pkey_index;
attr->en_sqd_async_notify = cmd.en_sqd_async_notify;
attr->max_rd_atomic = cmd.max_rd_atomic;
attr->max_dest_rd_atomic = cmd.max_dest_rd_atomic;
}
ssize_t ib_uverbs_post_send(struct ib_uverbs_file *file,
- const char __user *buf, int in_len,
- int out_len)
+ const char __user *buf, int in_len,
+ int out_len)
{
struct ib_uverbs_post_send cmd;
struct ib_uverbs_post_send_resp resp;
}
ssize_t ib_uverbs_post_recv(struct ib_uverbs_file *file,
- const char __user *buf, int in_len,
- int out_len)
+ const char __user *buf, int in_len,
+ int out_len)
{
struct ib_uverbs_post_recv cmd;
struct ib_uverbs_post_recv_resp resp;
}
ssize_t ib_uverbs_post_srq_recv(struct ib_uverbs_file *file,
- const char __user *buf, int in_len,
- int out_len)
+ const char __user *buf, int in_len,
+ int out_len)
{
struct ib_uverbs_post_srq_recv cmd;
struct ib_uverbs_post_srq_recv_resp resp;
goto err_destroy;
resp.srq_handle = uobj->uobject.id;
- resp.max_wr = attr.attr.max_wr;
- resp.max_sge = attr.attr.max_sge;
if (copy_to_user((void __user *) (unsigned long) cmd.response,
&resp, sizeof resp)) {
return ret ? ret : in_len;
}
-ssize_t ib_uverbs_query_srq(struct ib_uverbs_file *file,
- const char __user *buf,
- int in_len, int out_len)
-{
- struct ib_uverbs_query_srq cmd;
- struct ib_uverbs_query_srq_resp resp;
- struct ib_srq_attr attr;
- struct ib_srq *srq;
- int ret;
-
- if (out_len < sizeof resp)
- return -ENOSPC;
-
- if (copy_from_user(&cmd, buf, sizeof cmd))
- return -EFAULT;
-
- mutex_lock(&ib_uverbs_idr_mutex);
-
- srq = idr_find(&ib_uverbs_srq_idr, cmd.srq_handle);
- if (srq && srq->uobject->context == file->ucontext)
- ret = ib_query_srq(srq, &attr);
- else
- ret = -EINVAL;
-
- mutex_unlock(&ib_uverbs_idr_mutex);
-
- if (ret)
- goto out;
-
- memset(&resp, 0, sizeof resp);
-
- resp.max_wr = attr.max_wr;
- 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))
- ret = -EFAULT;
-
-out:
- return ret ? ret : in_len;
-}
-
ssize_t ib_uverbs_destroy_srq(struct ib_uverbs_file *file,
const char __user *buf, int in_len,
int out_len)
git://git.onelab.eu / linux-2.6.git / blobdiff