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

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* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/roland/infiniband:
  IB/mad: Fix kernel crash when .process_mad() returns SUCCESS|CONSUMED
  IPoIB: Test for NULL broadcast object in ipiob_mcast_join_finish()
  MAINTAINERS: Add cxgb3 and iw_cxgb3 NIC and iWARP driver entries
  IB/mlx4: Fix creation of kernel QP with max number of send s/g entries
  IB/mthca: Fix max_sge value returned by query_device
  RDMA/cxgb3: Fix uninitialized variable warning in iwch_post_send()
  IB/mlx4: Fix uninitialized-var warning in mlx4_ib_post_send()
  IB/ipath: Fix UC receive completion opcode for RDMA WRITE with immediate
  IB/ipath: Fix printk format for ipath_sdma_status
This commit is contained in:
Linus Torvalds 2008-05-23 11:11:44 -07:00
commit c2448278e3
8 changed files with 50 additions and 13 deletions
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14
MAINTAINERS
View File

@ -1240,6 +1240,20 @@ L: video4linux-list@redhat.com
W: http://linuxtv.org
S: Maintained
CXGB3 ETHERNET DRIVER (CXGB3)
P: Divy Le Ray
M: divy@chelsio.com
L: netdev@vger.kernel.org
W: http://www.chelsio.com
S: Supported
CXGB3 IWARP RNIC DRIVER (IW_CXGB3)
P: Steve Wise
M: swise@chelsio.com
L: general@lists.openfabrics.org
W: http://www.openfabrics.org
S: Supported
CYBERPRO FB DRIVER
P: Russell King
M: rmk@arm.linux.org.uk

4
drivers/infiniband/core/mad.c
View File

@ -747,7 +747,9 @@ static int handle_outgoing_dr_smp(struct ib_mad_agent_private *mad_agent_priv,
break;
case IB_MAD_RESULT_SUCCESS | IB_MAD_RESULT_CONSUMED:
kmem_cache_free(ib_mad_cache, mad_priv);
break;
kfree(local);
ret = 1;
goto out;
case IB_MAD_RESULT_SUCCESS:
/* Treat like an incoming receive MAD */
port_priv = ib_get_mad_port(mad_agent_priv->agent.device,

2
drivers/infiniband/hw/cxgb3/iwch_qp.c
View File

@ -229,7 +229,7 @@ int iwch_post_send(struct ib_qp *ibqp, struct ib_send_wr *wr,
struct ib_send_wr **bad_wr)
{
int err = 0;
u8 t3_wr_flit_cnt;
u8 uninitialized_var(t3_wr_flit_cnt);
enum t3_wr_opcode t3_wr_opcode = 0;
enum t3_wr_flags t3_wr_flags;
struct iwch_qp *qhp;

4
drivers/infiniband/hw/ipath/ipath_sdma.c
View File

@ -345,7 +345,7 @@ resched:
* state change
*/
if (jiffies > dd->ipath_sdma_abort_jiffies) {
ipath_dbg("looping with status 0x%016llx\n",
ipath_dbg("looping with status 0x%08lx\n",
dd->ipath_sdma_status);
dd->ipath_sdma_abort_jiffies = jiffies + 5 * HZ;
}
@ -615,7 +615,7 @@ void ipath_restart_sdma(struct ipath_devdata *dd)
}
spin_unlock_irqrestore(&dd->ipath_sdma_lock, flags);
if (!needed) {
ipath_dbg("invalid attempt to restart SDMA, status 0x%016llx\n",
ipath_dbg("invalid attempt to restart SDMA, status 0x%08lx\n",
dd->ipath_sdma_status);
goto bail;
}

4
drivers/infiniband/hw/ipath/ipath_uc.c
View File

@ -407,12 +407,11 @@ void ipath_uc_rcv(struct ipath_ibdev *dev, struct ipath_ib_header *hdr,
dev->n_pkt_drops++;
goto done;
}
/* XXX Need to free SGEs */
wc.opcode = IB_WC_RECV;
last_imm:
ipath_copy_sge(&qp->r_sge, data, tlen);
wc.wr_id = qp->r_wr_id;
wc.status = IB_WC_SUCCESS;
wc.opcode = IB_WC_RECV;
wc.qp = &qp->ibqp;
wc.src_qp = qp->remote_qpn;
wc.slid = qp->remote_ah_attr.dlid;
@ -514,6 +513,7 @@ void ipath_uc_rcv(struct ipath_ibdev *dev, struct ipath_ib_header *hdr,
goto done;
}
wc.byte_len = qp->r_len;
wc.opcode = IB_WC_RECV_RDMA_WITH_IMM;
goto last_imm;
case OP(RDMA_WRITE_LAST):

15
drivers/infiniband/hw/mlx4/qp.c
View File

@ -333,6 +333,9 @@ static int set_kernel_sq_size(struct mlx4_ib_dev *dev, struct ib_qp_cap *cap,
cap->max_inline_data + sizeof (struct mlx4_wqe_inline_seg)) +
send_wqe_overhead(type, qp->flags);
if (s > dev->dev->caps.max_sq_desc_sz)
return -EINVAL;
/*
* Hermon supports shrinking WQEs, such that a single work
* request can include multiple units of 1 << wqe_shift. This
@ -372,9 +375,6 @@ static int set_kernel_sq_size(struct mlx4_ib_dev *dev, struct ib_qp_cap *cap,
qp->sq.wqe_shift = ilog2(roundup_pow_of_two(s));
for (;;) {
if (1 << qp->sq.wqe_shift > dev->dev->caps.max_sq_desc_sz)
return -EINVAL;
qp->sq_max_wqes_per_wr = DIV_ROUND_UP(s, 1U << qp->sq.wqe_shift);
/*
@ -395,7 +395,8 @@ static int set_kernel_sq_size(struct mlx4_ib_dev *dev, struct ib_qp_cap *cap,
++qp->sq.wqe_shift;
}
qp->sq.max_gs = ((qp->sq_max_wqes_per_wr << qp->sq.wqe_shift) -
qp->sq.max_gs = (min(dev->dev->caps.max_sq_desc_sz,
(qp->sq_max_wqes_per_wr << qp->sq.wqe_shift)) -
send_wqe_overhead(type, qp->flags)) /
sizeof (struct mlx4_wqe_data_seg);
@ -411,7 +412,9 @@ static int set_kernel_sq_size(struct mlx4_ib_dev *dev, struct ib_qp_cap *cap,
cap->max_send_wr = qp->sq.max_post =
(qp->sq.wqe_cnt - qp->sq_spare_wqes) / qp->sq_max_wqes_per_wr;
cap->max_send_sge = qp->sq.max_gs;
cap->max_send_sge = min(qp->sq.max_gs,
min(dev->dev->caps.max_sq_sg,
dev->dev->caps.max_rq_sg));
/* We don't support inline sends for kernel QPs (yet) */
cap->max_inline_data = 0;
@ -1457,7 +1460,7 @@ int mlx4_ib_post_send(struct ib_qp *ibqp, struct ib_send_wr *wr,
unsigned ind;
int uninitialized_var(stamp);
int uninitialized_var(size);
unsigned seglen;
unsigned uninitialized_var(seglen);
int i;
spin_lock_irqsave(&qp->sq.lock, flags);

14
drivers/infiniband/hw/mthca/mthca_main.c
View File

@ -45,6 +45,7 @@
#include "mthca_cmd.h"
#include "mthca_profile.h"
#include "mthca_memfree.h"
#include "mthca_wqe.h"
MODULE_AUTHOR("Roland Dreier");
MODULE_DESCRIPTION("Mellanox InfiniBand HCA low-level driver");
@ -200,7 +201,18 @@ static int mthca_dev_lim(struct mthca_dev *mdev, struct mthca_dev_lim *dev_lim)
mdev->limits.gid_table_len = dev_lim->max_gids;
mdev->limits.pkey_table_len = dev_lim->max_pkeys;
mdev->limits.local_ca_ack_delay = dev_lim->local_ca_ack_delay;
mdev->limits.max_sg = dev_lim->max_sg;
/*
* Need to allow for worst case send WQE overhead and check
* whether max_desc_sz imposes a lower limit than max_sg; UD
* send has the biggest overhead.
*/
mdev->limits.max_sg = min_t(int, dev_lim->max_sg,
(dev_lim->max_desc_sz -
sizeof (struct mthca_next_seg) -
(mthca_is_memfree(mdev) ?
sizeof (struct mthca_arbel_ud_seg) :
sizeof (struct mthca_tavor_ud_seg))) /
sizeof (struct mthca_data_seg));
mdev->limits.max_wqes = dev_lim->max_qp_sz;
mdev->limits.max_qp_init_rdma = dev_lim->max_requester_per_qp;
mdev->limits.reserved_qps = dev_lim->reserved_qps;

6
drivers/infiniband/ulp/ipoib/ipoib_multicast.c
View File

@ -194,7 +194,13 @@ static int ipoib_mcast_join_finish(struct ipoib_mcast *mcast,
/* Set the cached Q_Key before we attach if it's the broadcast group */
if (!memcmp(mcast->mcmember.mgid.raw, priv->dev->broadcast + 4,
sizeof (union ib_gid))) {
spin_lock_irq(&priv->lock);
if (!priv->broadcast) {
spin_unlock_irq(&priv->lock);
return -EAGAIN;
}
priv->qkey = be32_to_cpu(priv->broadcast->mcmember.qkey);
spin_unlock_irq(&priv->lock);
priv->tx_wr.wr.ud.remote_qkey = priv->qkey;
}