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authorLinus Torvalds <torvalds@linux-foundation.org>2011-07-22 14:50:12 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2011-07-22 14:50:12 -0700
commitece236ce2fad9c27a6fd2530f899289025194bce (patch)
tree474b793205872206a2a3f7d409ff9b1f81f3a9a8 /drivers/infiniband/hw/mthca/mthca_provider.c
parent441c196e84b11aad3123baa9320eee7abc6b5c98 (diff)
parent4460207561290c3be7e6c7538f22690028170c1d (diff)
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/roland/infiniband
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/roland/infiniband: (26 commits) IB/qib: Defer HCA error events to tasklet mlx4_core: Bump the driver version to 1.0 RDMA/cxgb4: Use printk_ratelimited() instead of printk_ratelimit() IB/mlx4: Support PMA counters for IBoE IB/mlx4: Use flow counters on IBoE ports IB/pma: Add include file for IBA performance counters definitions mlx4_core: Add network flow counters mlx4_core: Fix location of counter index in QP context struct mlx4_core: Read extended capabilities into the flags field mlx4_core: Extend capability flags to 64 bits IB/mlx4: Generate GID change events in IBoE code IB/core: Add GID change event RDMA/cma: Don't allow IPoIB port space for IBoE RDMA: Allow for NULL .modify_device() and .modify_port() methods IB/qib: Update active link width IB/qib: Fix potential deadlock with link down interrupt IB/qib: Add sysfs interface to read free contexts IB/mthca: Remove unnecessary read of PCI_CAP_ID_EXP IB/qib: Remove double define IB/qib: Remove unnecessary read of PCI_CAP_ID_EXP ...
Diffstat (limited to 'drivers/infiniband/hw/mthca/mthca_provider.c')
-rw-r--r--drivers/infiniband/hw/mthca/mthca_provider.c77
1 files changed, 11 insertions, 66 deletions
diff --git a/drivers/infiniband/hw/mthca/mthca_provider.c b/drivers/infiniband/hw/mthca/mthca_provider.c
index 1e0b4b6074a..365fe0e1419 100644
--- a/drivers/infiniband/hw/mthca/mthca_provider.c
+++ b/drivers/infiniband/hw/mthca/mthca_provider.c
@@ -63,8 +63,6 @@ static int mthca_query_device(struct ib_device *ibdev,
int err = -ENOMEM;
struct mthca_dev *mdev = to_mdev(ibdev);
- u8 status;
-
in_mad = kzalloc(sizeof *in_mad, GFP_KERNEL);
out_mad = kmalloc(sizeof *out_mad, GFP_KERNEL);
if (!in_mad || !out_mad)
@@ -78,14 +76,9 @@ static int mthca_query_device(struct ib_device *ibdev,
in_mad->attr_id = IB_SMP_ATTR_NODE_INFO;
err = mthca_MAD_IFC(mdev, 1, 1,
- 1, NULL, NULL, in_mad, out_mad,
- &status);
+ 1, NULL, NULL, in_mad, out_mad);
if (err)
goto out;
- if (status) {
- err = -EINVAL;
- goto out;
- }
props->device_cap_flags = mdev->device_cap_flags;
props->vendor_id = be32_to_cpup((__be32 *) (out_mad->data + 36)) &
@@ -141,7 +134,6 @@ static int mthca_query_port(struct ib_device *ibdev,
struct ib_smp *in_mad = NULL;
struct ib_smp *out_mad = NULL;
int err = -ENOMEM;
- u8 status;
in_mad = kzalloc(sizeof *in_mad, GFP_KERNEL);
out_mad = kmalloc(sizeof *out_mad, GFP_KERNEL);
@@ -155,14 +147,9 @@ static int mthca_query_port(struct ib_device *ibdev,
in_mad->attr_mod = cpu_to_be32(port);
err = mthca_MAD_IFC(to_mdev(ibdev), 1, 1,
- port, NULL, NULL, in_mad, out_mad,
- &status);
+ port, NULL, NULL, in_mad, out_mad);
if (err)
goto out;
- if (status) {
- err = -EINVAL;
- goto out;
- }
props->lid = be16_to_cpup((__be16 *) (out_mad->data + 16));
props->lmc = out_mad->data[34] & 0x7;
@@ -214,7 +201,6 @@ static int mthca_modify_port(struct ib_device *ibdev,
struct mthca_set_ib_param set_ib;
struct ib_port_attr attr;
int err;
- u8 status;
if (mutex_lock_interruptible(&to_mdev(ibdev)->cap_mask_mutex))
return -ERESTARTSYS;
@@ -229,14 +215,9 @@ static int mthca_modify_port(struct ib_device *ibdev,
set_ib.cap_mask = (attr.port_cap_flags | props->set_port_cap_mask) &
~props->clr_port_cap_mask;
- err = mthca_SET_IB(to_mdev(ibdev), &set_ib, port, &status);
+ err = mthca_SET_IB(to_mdev(ibdev), &set_ib, port);
if (err)
goto out;
- if (status) {
- err = -EINVAL;
- goto out;
- }
-
out:
mutex_unlock(&to_mdev(ibdev)->cap_mask_mutex);
return err;
@@ -248,7 +229,6 @@ static int mthca_query_pkey(struct ib_device *ibdev,
struct ib_smp *in_mad = NULL;
struct ib_smp *out_mad = NULL;
int err = -ENOMEM;
- u8 status;
in_mad = kzalloc(sizeof *in_mad, GFP_KERNEL);
out_mad = kmalloc(sizeof *out_mad, GFP_KERNEL);
@@ -260,14 +240,9 @@ static int mthca_query_pkey(struct ib_device *ibdev,
in_mad->attr_mod = cpu_to_be32(index / 32);
err = mthca_MAD_IFC(to_mdev(ibdev), 1, 1,
- port, NULL, NULL, in_mad, out_mad,
- &status);
+ port, NULL, NULL, in_mad, out_mad);
if (err)
goto out;
- if (status) {
- err = -EINVAL;
- goto out;
- }
*pkey = be16_to_cpu(((__be16 *) out_mad->data)[index % 32]);
@@ -283,7 +258,6 @@ static int mthca_query_gid(struct ib_device *ibdev, u8 port,
struct ib_smp *in_mad = NULL;
struct ib_smp *out_mad = NULL;
int err = -ENOMEM;
- u8 status;
in_mad = kzalloc(sizeof *in_mad, GFP_KERNEL);
out_mad = kmalloc(sizeof *out_mad, GFP_KERNEL);
@@ -295,14 +269,9 @@ static int mthca_query_gid(struct ib_device *ibdev, u8 port,
in_mad->attr_mod = cpu_to_be32(port);
err = mthca_MAD_IFC(to_mdev(ibdev), 1, 1,
- port, NULL, NULL, in_mad, out_mad,
- &status);
+ port, NULL, NULL, in_mad, out_mad);
if (err)
goto out;
- if (status) {
- err = -EINVAL;
- goto out;
- }
memcpy(gid->raw, out_mad->data + 8, 8);
@@ -311,14 +280,9 @@ static int mthca_query_gid(struct ib_device *ibdev, u8 port,
in_mad->attr_mod = cpu_to_be32(index / 8);
err = mthca_MAD_IFC(to_mdev(ibdev), 1, 1,
- port, NULL, NULL, in_mad, out_mad,
- &status);
+ port, NULL, NULL, in_mad, out_mad);
if (err)
goto out;
- if (status) {
- err = -EINVAL;
- goto out;
- }
memcpy(gid->raw + 8, out_mad->data + (index % 8) * 8, 8);
@@ -800,7 +764,6 @@ static int mthca_resize_cq(struct ib_cq *ibcq, int entries, struct ib_udata *uda
struct mthca_cq *cq = to_mcq(ibcq);
struct mthca_resize_cq ucmd;
u32 lkey;
- u8 status;
int ret;
if (entries < 1 || entries > dev->limits.max_cqes)
@@ -827,9 +790,7 @@ static int mthca_resize_cq(struct ib_cq *ibcq, int entries, struct ib_udata *uda
lkey = ucmd.lkey;
}
- ret = mthca_RESIZE_CQ(dev, cq->cqn, lkey, ilog2(entries), &status);
- if (status)
- ret = -EINVAL;
+ ret = mthca_RESIZE_CQ(dev, cq->cqn, lkey, ilog2(entries));
if (ret) {
if (cq->resize_buf) {
@@ -1161,7 +1122,6 @@ static int mthca_unmap_fmr(struct list_head *fmr_list)
{
struct ib_fmr *fmr;
int err;
- u8 status;
struct mthca_dev *mdev = NULL;
list_for_each_entry(fmr, fmr_list, list) {
@@ -1182,12 +1142,8 @@ static int mthca_unmap_fmr(struct list_head *fmr_list)
list_for_each_entry(fmr, fmr_list, list)
mthca_tavor_fmr_unmap(mdev, to_mfmr(fmr));
- err = mthca_SYNC_TPT(mdev, &status);
- if (err)
- return err;
- if (status)
- return -EINVAL;
- return 0;
+ err = mthca_SYNC_TPT(mdev);
+ return err;
}
static ssize_t show_rev(struct device *device, struct device_attribute *attr,
@@ -1253,7 +1209,6 @@ static int mthca_init_node_data(struct mthca_dev *dev)
struct ib_smp *in_mad = NULL;
struct ib_smp *out_mad = NULL;
int err = -ENOMEM;
- u8 status;
in_mad = kzalloc(sizeof *in_mad, GFP_KERNEL);
out_mad = kmalloc(sizeof *out_mad, GFP_KERNEL);
@@ -1264,28 +1219,18 @@ static int mthca_init_node_data(struct mthca_dev *dev)
in_mad->attr_id = IB_SMP_ATTR_NODE_DESC;
err = mthca_MAD_IFC(dev, 1, 1,
- 1, NULL, NULL, in_mad, out_mad,
- &status);
+ 1, NULL, NULL, in_mad, out_mad);
if (err)
goto out;
- if (status) {
- err = -EINVAL;
- goto out;
- }
memcpy(dev->ib_dev.node_desc, out_mad->data, 64);
in_mad->attr_id = IB_SMP_ATTR_NODE_INFO;
err = mthca_MAD_IFC(dev, 1, 1,
- 1, NULL, NULL, in_mad, out_mad,
- &status);
+ 1, NULL, NULL, in_mad, out_mad);
if (err)
goto out;
- if (status) {
- err = -EINVAL;
- goto out;
- }
if (mthca_is_memfree(dev))
dev->rev_id = be32_to_cpup((__be32 *) (out_mad->data + 32));