/*
* Copyright (c) 2005 Topspin Communications. All rights reserved.
- * Copyright (c) 2005, 2006 Cisco Systems. All rights reserved.
+ * Copyright (c) 2005, 2006, 2007 Cisco Systems. All rights reserved.
* Copyright (c) 2005 PathScale, Inc. All rights reserved.
* Copyright (c) 2006 Mellanox Technologies. All rights reserved.
*
* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
- *
- * $Id: uverbs_cmd.c 2708 2005-06-24 17:27:21Z roland $
*/
#include <linux/file.h>
spin_lock(&ib_uverbs_idr_lock);
uobj = idr_find(idr, id);
- if (uobj)
- kref_get(&uobj->ref);
+ if (uobj) {
+ if (uobj->context == context)
+ kref_get(&uobj->ref);
+ else
+ uobj = NULL;
+ }
spin_unlock(&ib_uverbs_idr_lock);
return uobj;
INIT_LIST_HEAD(&ucontext->qp_list);
INIT_LIST_HEAD(&ucontext->srq_list);
INIT_LIST_HEAD(&ucontext->ah_list);
+ ucontext->closing = 0;
resp.num_comp_vectors = file->device->num_comp_vectors;
struct ib_uverbs_reg_mr cmd;
struct ib_uverbs_reg_mr_resp resp;
struct ib_udata udata;
- struct ib_umem_object *obj;
+ struct ib_uobject *uobj;
struct ib_pd *pd;
struct ib_mr *mr;
int ret;
!(cmd.access_flags & IB_ACCESS_LOCAL_WRITE))
return -EINVAL;
- obj = kmalloc(sizeof *obj, GFP_KERNEL);
- if (!obj)
+ uobj = kmalloc(sizeof *uobj, GFP_KERNEL);
+ if (!uobj)
return -ENOMEM;
- init_uobj(&obj->uobject, 0, file->ucontext, &mr_lock_key);
- down_write(&obj->uobject.mutex);
-
- /*
- * We ask for writable memory if any access flags other than
- * "remote read" are set. "Local write" and "remote write"
- * obviously require write access. "Remote atomic" can do
- * things like fetch and add, which will modify memory, and
- * "MW bind" can change permissions by binding a window.
- */
- ret = ib_umem_get(file->device->ib_dev, &obj->umem,
- (void *) (unsigned long) cmd.start, cmd.length,
- !!(cmd.access_flags & ~IB_ACCESS_REMOTE_READ));
- if (ret)
- goto err_free;
-
- obj->umem.virt_base = cmd.hca_va;
+ init_uobj(uobj, 0, file->ucontext, &mr_lock_key);
+ down_write(&uobj->mutex);
pd = idr_read_pd(cmd.pd_handle, file->ucontext);
if (!pd) {
ret = -EINVAL;
- goto err_release;
+ goto err_free;
}
- mr = pd->device->reg_user_mr(pd, &obj->umem, cmd.access_flags, &udata);
+ mr = pd->device->reg_user_mr(pd, cmd.start, cmd.length, cmd.hca_va,
+ cmd.access_flags, &udata);
if (IS_ERR(mr)) {
ret = PTR_ERR(mr);
goto err_put;
mr->device = pd->device;
mr->pd = pd;
- mr->uobject = &obj->uobject;
+ mr->uobject = uobj;
atomic_inc(&pd->usecnt);
atomic_set(&mr->usecnt, 0);
- obj->uobject.object = mr;
- ret = idr_add_uobj(&ib_uverbs_mr_idr, &obj->uobject);
+ uobj->object = mr;
+ ret = idr_add_uobj(&ib_uverbs_mr_idr, uobj);
if (ret)
goto err_unreg;
memset(&resp, 0, sizeof resp);
resp.lkey = mr->lkey;
resp.rkey = mr->rkey;
- resp.mr_handle = obj->uobject.id;
+ resp.mr_handle = uobj->id;
if (copy_to_user((void __user *) (unsigned long) cmd.response,
&resp, sizeof resp)) {
put_pd_read(pd);
mutex_lock(&file->mutex);
- list_add_tail(&obj->uobject.list, &file->ucontext->mr_list);
+ list_add_tail(&uobj->list, &file->ucontext->mr_list);
mutex_unlock(&file->mutex);
- obj->uobject.live = 1;
+ uobj->live = 1;
- up_write(&obj->uobject.mutex);
+ up_write(&uobj->mutex);
return in_len;
err_copy:
- idr_remove_uobj(&ib_uverbs_mr_idr, &obj->uobject);
+ idr_remove_uobj(&ib_uverbs_mr_idr, uobj);
err_unreg:
ib_dereg_mr(mr);
err_put:
put_pd_read(pd);
-err_release:
- ib_umem_release(file->device->ib_dev, &obj->umem);
-
err_free:
- put_uobj_write(&obj->uobject);
+ put_uobj_write(uobj);
return ret;
}
struct ib_uverbs_dereg_mr cmd;
struct ib_mr *mr;
struct ib_uobject *uobj;
- struct ib_umem_object *memobj;
int ret = -EINVAL;
if (copy_from_user(&cmd, buf, sizeof cmd))
if (!uobj)
return -EINVAL;
- memobj = container_of(uobj, struct ib_umem_object, uobject);
- mr = uobj->object;
+ mr = uobj->object;
ret = ib_dereg_mr(mr);
if (!ret)
list_del(&uobj->list);
mutex_unlock(&file->mutex);
- ib_umem_release(file->device->ib_dev, &memobj->umem);
-
put_uobj(uobj);
return in_len;
INIT_LIST_HEAD(&obj->async_list);
cq = file->device->ib_dev->create_cq(file->device->ib_dev, cmd.cqe,
+ cmd.comp_vector,
file->ucontext, &udata);
if (IS_ERR(cq)) {
ret = PTR_ERR(cq);
resp->wc[i].opcode = wc[i].opcode;
resp->wc[i].vendor_err = wc[i].vendor_err;
resp->wc[i].byte_len = wc[i].byte_len;
- resp->wc[i].imm_data = (__u32 __force) wc[i].imm_data;
+ resp->wc[i].ex.imm_data = (__u32 __force) wc[i].ex.imm_data;
resp->wc[i].qp_num = wc[i].qp->qp_num;
resp->wc[i].src_qp = wc[i].src_qp;
resp->wc[i].wc_flags = wc[i].wc_flags;
attr.srq = srq;
attr.sq_sig_type = cmd.sq_sig_all ? IB_SIGNAL_ALL_WR : IB_SIGNAL_REQ_WR;
attr.qp_type = cmd.qp_type;
+ attr.create_flags = 0;
attr.cap.max_send_wr = cmd.max_send_wr;
attr.cap.max_recv_wr = cmd.max_recv_wr;
next->num_sge = user_wr->num_sge;
next->opcode = user_wr->opcode;
next->send_flags = user_wr->send_flags;
- next->imm_data = (__be32 __force) user_wr->imm_data;
if (is_ud) {
next->wr.ud.ah = idr_read_ah(user_wr->wr.ud.ah,
next->wr.ud.remote_qkey = user_wr->wr.ud.remote_qkey;
} else {
switch (next->opcode) {
- case IB_WR_RDMA_WRITE:
case IB_WR_RDMA_WRITE_WITH_IMM:
+ next->ex.imm_data =
+ (__be32 __force) user_wr->ex.imm_data;
+ case IB_WR_RDMA_WRITE:
case IB_WR_RDMA_READ:
next->wr.rdma.remote_addr =
user_wr->wr.rdma.remote_addr;
next->wr.rdma.rkey =
user_wr->wr.rdma.rkey;
break;
+ case IB_WR_SEND_WITH_IMM:
+ next->ex.imm_data =
+ (__be32 __force) user_wr->ex.imm_data;
+ break;
+ case IB_WR_SEND_WITH_INV:
+ next->ex.invalidate_rkey =
+ user_wr->ex.invalidate_rkey;
+ break;
case IB_WR_ATOMIC_CMP_AND_SWP:
case IB_WR_ATOMIC_FETCH_AND_ADD:
next->wr.atomic.remote_addr =
git.openpandora.org / pandora-kernel.git / blobdiff