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Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/roland/infiniband

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This commit is contained in:
Linus Torvalds 2005-12-01 15:52:12 -08:00
parent f327220b14 f4e401562c
commit c6b79418a4
9 changed files with 170 additions and 55 deletions
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41
drivers/infiniband/core/user_mad.c
View file

@ -310,7 +310,7 @@ static ssize_t ib_umad_write(struct file *filp, const char __user *buf,
u8 method;
__be64 *tid;
int ret, length, hdr_len, copy_offset;
int rmpp_active = 0;
int rmpp_active, has_rmpp_header;
if (count < sizeof (struct ib_user_mad) + IB_MGMT_RMPP_HDR)
return -EINVAL;
@ -360,28 +360,31 @@ static ssize_t ib_umad_write(struct file *filp, const char __user *buf,
}
rmpp_mad = (struct ib_rmpp_mad *) packet->mad.data;
if (ib_get_rmpp_flags(&rmpp_mad->rmpp_hdr) & IB_MGMT_RMPP_FLAG_ACTIVE) {
/* RMPP active */
if (!agent->rmpp_version) {
ret = -EINVAL;
goto err_ah;
}
/* Validate that the management class can support RMPP */
if (rmpp_mad->mad_hdr.mgmt_class == IB_MGMT_CLASS_SUBN_ADM) {
hdr_len = IB_MGMT_SA_HDR;
} else if ((rmpp_mad->mad_hdr.mgmt_class >= IB_MGMT_CLASS_VENDOR_RANGE2_START) &&
(rmpp_mad->mad_hdr.mgmt_class <= IB_MGMT_CLASS_VENDOR_RANGE2_END)) {
hdr_len = IB_MGMT_VENDOR_HDR;
} else {
ret = -EINVAL;
goto err_ah;
}
rmpp_active = 1;
if (rmpp_mad->mad_hdr.mgmt_class == IB_MGMT_CLASS_SUBN_ADM) {
hdr_len = IB_MGMT_SA_HDR;
copy_offset = IB_MGMT_RMPP_HDR;
has_rmpp_header = 1;
} else if (rmpp_mad->mad_hdr.mgmt_class >= IB_MGMT_CLASS_VENDOR_RANGE2_START &&
rmpp_mad->mad_hdr.mgmt_class <= IB_MGMT_CLASS_VENDOR_RANGE2_END) {
hdr_len = IB_MGMT_VENDOR_HDR;
copy_offset = IB_MGMT_RMPP_HDR;
has_rmpp_header = 1;
} else {
hdr_len = IB_MGMT_MAD_HDR;
copy_offset = IB_MGMT_MAD_HDR;
has_rmpp_header = 0;
}
if (has_rmpp_header)
rmpp_active = ib_get_rmpp_flags(&rmpp_mad->rmpp_hdr) &
IB_MGMT_RMPP_FLAG_ACTIVE;
else
rmpp_active = 0;
/* Validate that the management class can support RMPP */
if (rmpp_active && !agent->rmpp_version) {
ret = -EINVAL;
goto err_ah;
}
packet->msg = ib_create_send_mad(agent,

11
drivers/infiniband/core/uverbs.h
View file

@ -105,12 +105,23 @@ struct ib_uverbs_event {
u32 *counter;
};
struct ib_uverbs_mcast_entry {
struct list_head list;
union ib_gid gid;
u16 lid;
};
struct ib_uevent_object {
struct ib_uobject uobject;
struct list_head event_list;
u32 events_reported;
};
struct ib_uqp_object {
struct ib_uevent_object uevent;
struct list_head mcast_list;
};
struct ib_ucq_object {
struct ib_uobject uobject;
struct ib_uverbs_file *uverbs_file;

90
drivers/infiniband/core/uverbs_cmd.c
View file

@ -815,7 +815,7 @@ ssize_t ib_uverbs_create_qp(struct ib_uverbs_file *file,
struct ib_uverbs_create_qp cmd;
struct ib_uverbs_create_qp_resp resp;
struct ib_udata udata;
struct ib_uevent_object *uobj;
struct ib_uqp_object *uobj;
struct ib_pd *pd;
struct ib_cq *scq, *rcq;
struct ib_srq *srq;
@ -866,10 +866,11 @@ ssize_t ib_uverbs_create_qp(struct ib_uverbs_file *file,
attr.cap.max_recv_sge = cmd.max_recv_sge;
attr.cap.max_inline_data = cmd.max_inline_data;
uobj->uobject.user_handle = cmd.user_handle;
uobj->uobject.context = file->ucontext;
uobj->events_reported = 0;
INIT_LIST_HEAD(&uobj->event_list);
uobj->uevent.uobject.user_handle = cmd.user_handle;
uobj->uevent.uobject.context = file->ucontext;
uobj->uevent.events_reported = 0;
INIT_LIST_HEAD(&uobj->uevent.event_list);
INIT_LIST_HEAD(&uobj->mcast_list);
qp = pd->device->create_qp(pd, &attr, &udata);
if (IS_ERR(qp)) {
@ -882,7 +883,7 @@ ssize_t ib_uverbs_create_qp(struct ib_uverbs_file *file,
qp->send_cq = attr.send_cq;
qp->recv_cq = attr.recv_cq;
qp->srq = attr.srq;
qp->uobject = &uobj->uobject;
qp->uobject = &uobj->uevent.uobject;
qp->event_handler = attr.event_handler;
qp->qp_context = attr.qp_context;
qp->qp_type = attr.qp_type;
@ -901,14 +902,14 @@ retry:
goto err_destroy;
}
ret = idr_get_new(&ib_uverbs_qp_idr, qp, &uobj->uobject.id);
ret = idr_get_new(&ib_uverbs_qp_idr, qp, &uobj->uevent.uobject.id);
if (ret == -EAGAIN)
goto retry;
if (ret)
goto err_destroy;
resp.qp_handle = uobj->uobject.id;
resp.qp_handle = uobj->uevent.uobject.id;
resp.max_recv_sge = attr.cap.max_recv_sge;
resp.max_send_sge = attr.cap.max_send_sge;
resp.max_recv_wr = attr.cap.max_recv_wr;
@ -922,7 +923,7 @@ retry:
}
down(&file->mutex);
list_add_tail(&uobj->uobject.list, &file->ucontext->qp_list);
list_add_tail(&uobj->uevent.uobject.list, &file->ucontext->qp_list);
up(&file->mutex);
up(&ib_uverbs_idr_mutex);
@ -930,7 +931,7 @@ retry:
return in_len;
err_idr:
idr_remove(&ib_uverbs_qp_idr, uobj->uobject.id);
idr_remove(&ib_uverbs_qp_idr, uobj->uevent.uobject.id);
err_destroy:
ib_destroy_qp(qp);
@ -1032,7 +1033,7 @@ ssize_t ib_uverbs_destroy_qp(struct ib_uverbs_file *file,
struct ib_uverbs_destroy_qp cmd;
struct ib_uverbs_destroy_qp_resp resp;
struct ib_qp *qp;
struct ib_uevent_object *uobj;
struct ib_uqp_object *uobj;
int ret = -EINVAL;
if (copy_from_user(&cmd, buf, sizeof cmd))
@ -1046,7 +1047,12 @@ ssize_t ib_uverbs_destroy_qp(struct ib_uverbs_file *file,
if (!qp || qp->uobject->context != file->ucontext)
goto out;
uobj = container_of(qp->uobject, struct ib_uevent_object, uobject);
uobj = container_of(qp->uobject, struct ib_uqp_object, uevent.uobject);
if (!list_empty(&uobj->mcast_list)) {
ret = -EBUSY;
goto out;
}
ret = ib_destroy_qp(qp);
if (ret)
@ -1055,12 +1061,12 @@ ssize_t ib_uverbs_destroy_qp(struct ib_uverbs_file *file,
idr_remove(&ib_uverbs_qp_idr, cmd.qp_handle);
down(&file->mutex);
list_del(&uobj->uobject.list);
list_del(&uobj->uevent.uobject.list);
up(&file->mutex);
ib_uverbs_release_uevent(file, uobj);
ib_uverbs_release_uevent(file, &uobj->uevent);
resp.events_reported = uobj->events_reported;
resp.events_reported = uobj->uevent.events_reported;
kfree(uobj);
@ -1542,6 +1548,8 @@ ssize_t ib_uverbs_attach_mcast(struct ib_uverbs_file *file,
{
struct ib_uverbs_attach_mcast cmd;
struct ib_qp *qp;
struct ib_uqp_object *uobj;
struct ib_uverbs_mcast_entry *mcast;
int ret = -EINVAL;
if (copy_from_user(&cmd, buf, sizeof cmd))
@ -1550,9 +1558,36 @@ ssize_t ib_uverbs_attach_mcast(struct ib_uverbs_file *file,
down(&ib_uverbs_idr_mutex);
qp = idr_find(&ib_uverbs_qp_idr, cmd.qp_handle);
if (qp && qp->uobject->context == file->ucontext)
ret = ib_attach_mcast(qp, (union ib_gid *) cmd.gid, cmd.mlid);
if (!qp || qp->uobject->context != file->ucontext)
goto out;
uobj = container_of(qp->uobject, struct ib_uqp_object, uevent.uobject);
list_for_each_entry(mcast, &uobj->mcast_list, list)
if (cmd.mlid == mcast->lid &&
!memcmp(cmd.gid, mcast->gid.raw, sizeof mcast->gid.raw)) {
ret = 0;
goto out;
}
mcast = kmalloc(sizeof *mcast, GFP_KERNEL);
if (!mcast) {
ret = -ENOMEM;
goto out;
}
mcast->lid = cmd.mlid;
memcpy(mcast->gid.raw, cmd.gid, sizeof mcast->gid.raw);
ret = ib_attach_mcast(qp, &mcast->gid, cmd.mlid);
if (!ret) {
uobj = container_of(qp->uobject, struct ib_uqp_object,
uevent.uobject);
list_add_tail(&mcast->list, &uobj->mcast_list);
} else
kfree(mcast);
out:
up(&ib_uverbs_idr_mutex);
return ret ? ret : in_len;
@ -1563,7 +1598,9 @@ ssize_t ib_uverbs_detach_mcast(struct ib_uverbs_file *file,
int out_len)
{
struct ib_uverbs_detach_mcast cmd;
struct ib_uqp_object *uobj;
struct ib_qp *qp;
struct ib_uverbs_mcast_entry *mcast;
int ret = -EINVAL;
if (copy_from_user(&cmd, buf, sizeof cmd))
@ -1572,9 +1609,24 @@ ssize_t ib_uverbs_detach_mcast(struct ib_uverbs_file *file,
down(&ib_uverbs_idr_mutex);
qp = idr_find(&ib_uverbs_qp_idr, cmd.qp_handle);
if (qp && qp->uobject->context == file->ucontext)
ret = ib_detach_mcast(qp, (union ib_gid *) cmd.gid, cmd.mlid);
if (!qp || qp->uobject->context != file->ucontext)
goto out;
ret = ib_detach_mcast(qp, (union ib_gid *) cmd.gid, cmd.mlid);
if (ret)
goto out;
uobj = container_of(qp->uobject, struct ib_uqp_object, uevent.uobject);
list_for_each_entry(mcast, &uobj->mcast_list, list)
if (cmd.mlid == mcast->lid &&
!memcmp(cmd.gid, mcast->gid.raw, sizeof mcast->gid.raw)) {
list_del(&mcast->list);
kfree(mcast);
break;
}
out:
up(&ib_uverbs_idr_mutex);
return ret ? ret : in_len;

21
drivers/infiniband/core/uverbs_main.c
View file

@ -160,6 +160,18 @@ void ib_uverbs_release_uevent(struct ib_uverbs_file *file,
spin_unlock_irq(&file->async_file->lock);
}
static void ib_uverbs_detach_umcast(struct ib_qp *qp,
struct ib_uqp_object *uobj)
{
struct ib_uverbs_mcast_entry *mcast, *tmp;
list_for_each_entry_safe(mcast, tmp, &uobj->mcast_list, list) {
ib_detach_mcast(qp, &mcast->gid, mcast->lid);
list_del(&mcast->list);
kfree(mcast);
}
}
static int ib_uverbs_cleanup_ucontext(struct ib_uverbs_file *file,
struct ib_ucontext *context)
{
@ -180,13 +192,14 @@ static int ib_uverbs_cleanup_ucontext(struct ib_uverbs_file *file,
list_for_each_entry_safe(uobj, tmp, &context->qp_list, list) {
struct ib_qp *qp = idr_find(&ib_uverbs_qp_idr, uobj->id);
struct ib_uevent_object *uevent =
container_of(uobj, struct ib_uevent_object, uobject);
struct ib_uqp_object *uqp =
container_of(uobj, struct ib_uqp_object, uevent.uobject);
idr_remove(&ib_uverbs_qp_idr, uobj->id);
ib_uverbs_detach_umcast(qp, uqp);
ib_destroy_qp(qp);
list_del(&uobj->list);
ib_uverbs_release_uevent(file, uevent);
kfree(uevent);
ib_uverbs_release_uevent(file, &uqp->uevent);
kfree(uqp);
}
list_for_each_entry_safe(uobj, tmp, &context->cq_list, list) {

34
drivers/infiniband/hw/mthca/mthca_qp.c
View file

@ -871,7 +871,10 @@ int mthca_modify_qp(struct ib_qp *ibqp, struct ib_qp_attr *attr, int attr_mask)
qp->ibqp.srq ? to_msrq(qp->ibqp.srq) : NULL);
mthca_wq_init(&qp->sq);
qp->sq.last = get_send_wqe(qp, qp->sq.max - 1);
mthca_wq_init(&qp->rq);
qp->rq.last = get_recv_wqe(qp, qp->rq.max - 1);
if (mthca_is_memfree(dev)) {
*qp->sq.db = 0;
@ -1819,6 +1822,7 @@ int mthca_arbel_post_send(struct ib_qp *ibqp, struct ib_send_wr *wr,
{
struct mthca_dev *dev = to_mdev(ibqp->device);
struct mthca_qp *qp = to_mqp(ibqp);
__be32 doorbell[2];
void *wqe;
void *prev_wqe;
unsigned long flags;
@ -1838,6 +1842,34 @@ int mthca_arbel_post_send(struct ib_qp *ibqp, struct ib_send_wr *wr,
ind = qp->sq.head & (qp->sq.max - 1);
for (nreq = 0; wr; ++nreq, wr = wr->next) {
if (unlikely(nreq == MTHCA_ARBEL_MAX_WQES_PER_SEND_DB)) {
nreq = 0;
doorbell[0] = cpu_to_be32((MTHCA_ARBEL_MAX_WQES_PER_SEND_DB << 24) |
((qp->sq.head & 0xffff) << 8) |
f0 | op0);
doorbell[1] = cpu_to_be32((qp->qpn << 8) | size0);
qp->sq.head += MTHCA_ARBEL_MAX_WQES_PER_SEND_DB;
size0 = 0;
/*
* Make sure that descriptors are written before
* doorbell record.
*/
wmb();
*qp->sq.db = cpu_to_be32(qp->sq.head & 0xffff);
/*
* Make sure doorbell record is written before we
* write MMIO send doorbell.
*/
wmb();
mthca_write64(doorbell,
dev->kar + MTHCA_SEND_DOORBELL,
MTHCA_GET_DOORBELL_LOCK(&dev->doorbell_lock));
}
if (mthca_wq_overflow(&qp->sq, nreq, qp->ibqp.send_cq)) {
mthca_err(dev, "SQ %06x full (%u head, %u tail,"
" %d max, %d nreq)\n", qp->qpn,
@ -2014,8 +2046,6 @@ int mthca_arbel_post_send(struct ib_qp *ibqp, struct ib_send_wr *wr,
out:
if (likely(nreq)) {
__be32 doorbell[2];
doorbell[0] = cpu_to_be32((nreq << 24) |
((qp->sq.head & 0xffff) << 8) |
f0 | op0);

3
drivers/infiniband/hw/mthca/mthca_wqe.h
View file

@ -50,7 +50,8 @@ enum {
enum {
MTHCA_INVAL_LKEY = 0x100,
MTHCA_TAVOR_MAX_WQES_PER_RECV_DB = 256
MTHCA_TAVOR_MAX_WQES_PER_RECV_DB = 256,
MTHCA_ARBEL_MAX_WQES_PER_SEND_DB = 255
};
struct mthca_next_seg {

4
drivers/infiniband/ulp/ipoib/ipoib_ib.c
View file

@ -608,9 +608,13 @@ void ipoib_ib_dev_flush(void *_dev)
if (test_bit(IPOIB_FLAG_ADMIN_UP, &priv->flags))
ipoib_ib_dev_up(dev);
down(&priv->vlan_mutex);
/* Flush any child interfaces too */
list_for_each_entry(cpriv, &priv->child_intfs, list)
ipoib_ib_dev_flush(&cpriv->dev);
up(&priv->vlan_mutex);
}
void ipoib_ib_dev_cleanup(struct net_device *dev)

11
drivers/infiniband/ulp/ipoib/ipoib_main.c
View file

@ -94,8 +94,10 @@ int ipoib_open(struct net_device *dev)
if (ipoib_ib_dev_open(dev))
return -EINVAL;
if (ipoib_ib_dev_up(dev))
if (ipoib_ib_dev_up(dev)) {
ipoib_ib_dev_stop(dev);
return -EINVAL;
}
if (!test_bit(IPOIB_FLAG_SUBINTERFACE, &priv->flags)) {
struct ipoib_dev_priv *cpriv;
@ -398,9 +400,9 @@ static void path_rec_completion(int status,
while ((skb = __skb_dequeue(&neigh->queue)))
__skb_queue_tail(&skqueue, skb);
}
} else
path->query = NULL;
}
path->query = NULL;
complete(&path->done);
spin_unlock_irqrestore(&priv->lock, flags);
@ -428,7 +430,6 @@ static struct ipoib_path *path_rec_create(struct net_device *dev,
skb_queue_head_init(&path->queue);
INIT_LIST_HEAD(&path->neigh_list);
init_completion(&path->done);
memcpy(path->pathrec.dgid.raw, gid->raw, sizeof (union ib_gid));
path->pathrec.sgid = priv->local_gid;
@ -446,6 +447,8 @@ static int path_rec_start(struct net_device *dev,
ipoib_dbg(priv, "Start path record lookup for " IPOIB_GID_FMT "\n",
IPOIB_GID_ARG(path->pathrec.dgid));
init_completion(&path->done);
path->query_id =
ib_sa_path_rec_get(priv->ca, priv->port,
&path->pathrec,

10
drivers/infiniband/ulp/ipoib/ipoib_multicast.c
View file

@ -135,20 +135,14 @@ static struct ipoib_mcast *ipoib_mcast_alloc(struct net_device *dev,
if (!mcast)
return NULL;
init_completion(&mcast->done);
mcast->dev = dev;
mcast->created = jiffies;
mcast->backoff = 1;
mcast->logcount = 0;
INIT_LIST_HEAD(&mcast->list);
INIT_LIST_HEAD(&mcast->neigh_list);
skb_queue_head_init(&mcast->pkt_queue);
mcast->ah = NULL;
mcast->query = NULL;
return mcast;
}
@ -350,6 +344,8 @@ static int ipoib_mcast_sendonly_join(struct ipoib_mcast *mcast)
rec.port_gid = priv->local_gid;
rec.pkey = cpu_to_be16(priv->pkey);
init_completion(&mcast->done);
ret = ib_sa_mcmember_rec_set(priv->ca, priv->port, &rec,
IB_SA_MCMEMBER_REC_MGID |
IB_SA_MCMEMBER_REC_PORT_GID |
@ -469,6 +465,8 @@ static void ipoib_mcast_join(struct net_device *dev, struct ipoib_mcast *mcast,
rec.traffic_class = priv->broadcast->mcmember.traffic_class;
}
init_completion(&mcast->done);
ret = ib_sa_mcmember_rec_set(priv->ca, priv->port, &rec, comp_mask,
mcast->backoff * 1000, GFP_ATOMIC,
ipoib_mcast_join_complete,