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Message-ID: <adaiqx4aooa.fsf@cisco.com>
Date: Fri, 23 May 2008 10:57:41 -0700
From: Roland Dreier <rdreier@...co.com>
To: torvalds@...ux-foundation.org, akpm@...ux-foundation.org
Cc: general@...ts.openfabrics.org, linux-kernel@...r.kernel.org
Subject: [GIT PULL] please pull infiniband.git
Linus, please pull from
master.kernel.org:/pub/scm/linux/kernel/git/roland/infiniband.git for-linus
This tree is also available from kernel.org mirrors at:
git://git.kernel.org/pub/scm/linux/kernel/git/roland/infiniband.git for-linus
This will get a fixes for various issues:
- Various trivial fixes that get rid of warnings
- A couple of oopsable bugs fixed
- Fixes for mthca/mlx4 driver bugs that stop NFS/RDMA from working
- MAINTAINERS entry for Chelsio drivers
Andrew Morton (1):
IB/mlx4: Fix uninitialized-var warning in mlx4_ib_post_send()
Dave Olson (1):
IB/mad: Fix kernel crash when .process_mad() returns SUCCESS|CONSUMED
Jack Morgenstein (1):
IPoIB: Test for NULL broadcast object in ipiob_mcast_join_finish()
Ralph Campbell (1):
IB/ipath: Fix UC receive completion opcode for RDMA WRITE with immediate
Roland Dreier (4):
IB/ipath: Fix printk format for ipath_sdma_status
RDMA/cxgb3: Fix uninitialized variable warning in iwch_post_send()
IB/mthca: Fix max_sge value returned by query_device
IB/mlx4: Fix creation of kernel QP with max number of send s/g entries
Steve Wise (1):
MAINTAINERS: Add cxgb3 and iw_cxgb3 NIC and iWARP driver entries
MAINTAINERS | 14 ++++++++++++++
drivers/infiniband/core/mad.c | 4 +++-
drivers/infiniband/hw/cxgb3/iwch_qp.c | 2 +-
drivers/infiniband/hw/ipath/ipath_sdma.c | 4 ++--
drivers/infiniband/hw/ipath/ipath_uc.c | 4 ++--
drivers/infiniband/hw/mlx4/qp.c | 15 +++++++++------
drivers/infiniband/hw/mthca/mthca_main.c | 14 +++++++++++++-
drivers/infiniband/ulp/ipoib/ipoib_multicast.c | 6 ++++++
8 files changed, 50 insertions(+), 13 deletions(-)
diff --git a/MAINTAINERS b/MAINTAINERS
index bc1c008..907d8c4 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -1239,6 +1239,20 @@ L: video4linux-list@...hat.com
W: http://linuxtv.org
S: Maintained
+CXGB3 ETHERNET DRIVER (CXGB3)
+P: Divy Le Ray
+M: divy@...lsio.com
+L: netdev@...r.kernel.org
+W: http://www.chelsio.com
+S: Supported
+
+CXGB3 IWARP RNIC DRIVER (IW_CXGB3)
+P: Steve Wise
+M: swise@...lsio.com
+L: general@...ts.openfabrics.org
+W: http://www.openfabrics.org
+S: Supported
+
CYBERPRO FB DRIVER
P: Russell King
M: rmk@....linux.org.uk
diff --git a/drivers/infiniband/core/mad.c b/drivers/infiniband/core/mad.c
index fbe16d5..1adf2ef 100644
--- a/drivers/infiniband/core/mad.c
+++ b/drivers/infiniband/core/mad.c
@@ -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,
diff --git a/drivers/infiniband/hw/cxgb3/iwch_qp.c b/drivers/infiniband/hw/cxgb3/iwch_qp.c
index 79dbe5b..9926137 100644
--- a/drivers/infiniband/hw/cxgb3/iwch_qp.c
+++ b/drivers/infiniband/hw/cxgb3/iwch_qp.c
@@ -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;
diff --git a/drivers/infiniband/hw/ipath/ipath_sdma.c b/drivers/infiniband/hw/ipath/ipath_sdma.c
index 3697449..0a8c1b8 100644
--- a/drivers/infiniband/hw/ipath/ipath_sdma.c
+++ b/drivers/infiniband/hw/ipath/ipath_sdma.c
@@ -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;
}
diff --git a/drivers/infiniband/hw/ipath/ipath_uc.c b/drivers/infiniband/hw/ipath/ipath_uc.c
index 7fd18e8..0596ec1 100644
--- a/drivers/infiniband/hw/ipath/ipath_uc.c
+++ b/drivers/infiniband/hw/ipath/ipath_uc.c
@@ -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):
diff --git a/drivers/infiniband/hw/mlx4/qp.c b/drivers/infiniband/hw/mlx4/qp.c
index 8e02ecf..a80df22 100644
--- a/drivers/infiniband/hw/mlx4/qp.c
+++ b/drivers/infiniband/hw/mlx4/qp.c
@@ -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);
diff --git a/drivers/infiniband/hw/mthca/mthca_main.c b/drivers/infiniband/hw/mthca/mthca_main.c
index 9ebadd6..200cf13 100644
--- a/drivers/infiniband/hw/mthca/mthca_main.c
+++ b/drivers/infiniband/hw/mthca/mthca_main.c
@@ -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;
diff --git a/drivers/infiniband/ulp/ipoib/ipoib_multicast.c b/drivers/infiniband/ulp/ipoib/ipoib_multicast.c
index d00a2c1..3f663fb 100644
--- a/drivers/infiniband/ulp/ipoib/ipoib_multicast.c
+++ b/drivers/infiniband/ulp/ipoib/ipoib_multicast.c
@@ -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;
}
--
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