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authorLinus Torvalds <torvalds@linux-foundation.org>2008-07-24 12:56:07 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2008-07-24 12:56:07 -0700
commit5c402355adf8f920531f02099f4ec0d2bccd4c64 (patch)
treeeba326f8df01efc0d384874839384040401f5b45 /drivers
parentecc8b655b38a880b578146895e0e1e2d477ca2c0 (diff)
parent2cc177364e4746becdf421f926fb967c047ccc32 (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: MAINTAINERS: Remove Glenn Streiff from NetEffect entry mlx4_core: Improve error message when not enough UAR pages are available IB/mlx4: Add support for memory management extensions and local DMA L_Key IB/mthca: Keep free count for MTT buddy allocator mlx4_core: Keep free count for MTT buddy allocator mlx4_code: Add missing FW status return code IB/mlx4: Rename struct mlx4_lso_seg to mlx4_wqe_lso_seg mlx4_core: Add module parameter to enable QoS support RDMA/iwcm: Remove IB_ACCESS_LOCAL_WRITE from remote QP attributes IPoIB: Include err code in trace message for ib_sa_path_rec_get() failures IB/sa_query: Check if sm_ah is NULL in ib_sa_remove_one() IB/ehca: Release mutex in error path of alloc_small_queue_page() IB/ehca: Use default value for Local CA ACK Delay if FW returns 0 IB/ehca: Filter PATH_MIG events if QP was never armed IB/iser: Add support for RDMA_CM_EVENT_ADDR_CHANGE event RDMA/cma: Add RDMA_CM_EVENT_TIMEWAIT_EXIT event RDMA/cma: Add RDMA_CM_EVENT_ADDR_CHANGE event
Diffstat (limited to 'drivers')
-rw-r--r--drivers/infiniband/core/cma.c99
-rw-r--r--drivers/infiniband/core/iwcm.c3
-rw-r--r--drivers/infiniband/core/sa_query.c3
-rw-r--r--drivers/infiniband/hw/ehca/ehca_classes.h1
-rw-r--r--drivers/infiniband/hw/ehca/ehca_hca.c4
-rw-r--r--drivers/infiniband/hw/ehca/ehca_irq.c4
-rw-r--r--drivers/infiniband/hw/ehca/ehca_qp.c2
-rw-r--r--drivers/infiniband/hw/ehca/ipz_pt_fn.c1
-rw-r--r--drivers/infiniband/hw/mlx4/cq.c12
-rw-r--r--drivers/infiniband/hw/mlx4/main.c11
-rw-r--r--drivers/infiniband/hw/mlx4/mlx4_ib.h15
-rw-r--r--drivers/infiniband/hw/mlx4/mr.c70
-rw-r--r--drivers/infiniband/hw/mlx4/qp.c74
-rw-r--r--drivers/infiniband/hw/mthca/mthca_dev.h1
-rw-r--r--drivers/infiniband/hw/mthca/mthca_mr.c26
-rw-r--r--drivers/infiniband/ulp/ipoib/ipoib_main.c2
-rw-r--r--drivers/infiniband/ulp/iser/iser_verbs.c1
-rw-r--r--drivers/net/mlx4/cmd.c3
-rw-r--r--drivers/net/mlx4/fw.c18
-rw-r--r--drivers/net/mlx4/fw.h2
-rw-r--r--drivers/net/mlx4/main.c2
-rw-r--r--drivers/net/mlx4/mlx4.h1
-rw-r--r--drivers/net/mlx4/mr.c49
-rw-r--r--drivers/net/mlx4/pd.c7
24 files changed, 370 insertions, 41 deletions
diff --git a/drivers/infiniband/core/cma.c b/drivers/infiniband/core/cma.c
index ae11d5cc74d..e980ff3335d 100644
--- a/drivers/infiniband/core/cma.c
+++ b/drivers/infiniband/core/cma.c
@@ -168,6 +168,12 @@ struct cma_work {
struct rdma_cm_event event;
};
+struct cma_ndev_work {
+ struct work_struct work;
+ struct rdma_id_private *id;
+ struct rdma_cm_event event;
+};
+
union cma_ip_addr {
struct in6_addr ip6;
struct {
@@ -914,7 +920,10 @@ static int cma_ib_handler(struct ib_cm_id *cm_id, struct ib_cm_event *ib_event)
struct rdma_cm_event event;
int ret = 0;
- if (cma_disable_callback(id_priv, CMA_CONNECT))
+ if ((ib_event->event != IB_CM_TIMEWAIT_EXIT &&
+ cma_disable_callback(id_priv, CMA_CONNECT)) ||
+ (ib_event->event == IB_CM_TIMEWAIT_EXIT &&
+ cma_disable_callback(id_priv, CMA_DISCONNECT)))
return 0;
memset(&event, 0, sizeof event);
@@ -950,6 +959,8 @@ static int cma_ib_handler(struct ib_cm_id *cm_id, struct ib_cm_event *ib_event)
event.event = RDMA_CM_EVENT_DISCONNECTED;
break;
case IB_CM_TIMEWAIT_EXIT:
+ event.event = RDMA_CM_EVENT_TIMEWAIT_EXIT;
+ break;
case IB_CM_MRA_RECEIVED:
/* ignore event */
goto out;
@@ -1598,6 +1609,30 @@ out:
kfree(work);
}
+static void cma_ndev_work_handler(struct work_struct *_work)
+{
+ struct cma_ndev_work *work = container_of(_work, struct cma_ndev_work, work);
+ struct rdma_id_private *id_priv = work->id;
+ int destroy = 0;
+
+ mutex_lock(&id_priv->handler_mutex);
+ if (id_priv->state == CMA_DESTROYING ||
+ id_priv->state == CMA_DEVICE_REMOVAL)
+ goto out;
+
+ if (id_priv->id.event_handler(&id_priv->id, &work->event)) {
+ cma_exch(id_priv, CMA_DESTROYING);
+ destroy = 1;
+ }
+
+out:
+ mutex_unlock(&id_priv->handler_mutex);
+ cma_deref_id(id_priv);
+ if (destroy)
+ rdma_destroy_id(&id_priv->id);
+ kfree(work);
+}
+
static int cma_resolve_ib_route(struct rdma_id_private *id_priv, int timeout_ms)
{
struct rdma_route *route = &id_priv->id.route;
@@ -2723,6 +2758,65 @@ void rdma_leave_multicast(struct rdma_cm_id *id, struct sockaddr *addr)
}
EXPORT_SYMBOL(rdma_leave_multicast);
+static int cma_netdev_change(struct net_device *ndev, struct rdma_id_private *id_priv)
+{
+ struct rdma_dev_addr *dev_addr;
+ struct cma_ndev_work *work;
+
+ dev_addr = &id_priv->id.route.addr.dev_addr;
+
+ if ((dev_addr->src_dev == ndev) &&
+ memcmp(dev_addr->src_dev_addr, ndev->dev_addr, ndev->addr_len)) {
+ printk(KERN_INFO "RDMA CM addr change for ndev %s used by id %p\n",
+ ndev->name, &id_priv->id);
+ work = kzalloc(sizeof *work, GFP_KERNEL);
+ if (!work)
+ return -ENOMEM;
+
+ INIT_WORK(&work->work, cma_ndev_work_handler);
+ work->id = id_priv;
+ work->event.event = RDMA_CM_EVENT_ADDR_CHANGE;
+ atomic_inc(&id_priv->refcount);
+ queue_work(cma_wq, &work->work);
+ }
+
+ return 0;
+}
+
+static int cma_netdev_callback(struct notifier_block *self, unsigned long event,
+ void *ctx)
+{
+ struct net_device *ndev = (struct net_device *)ctx;
+ struct cma_device *cma_dev;
+ struct rdma_id_private *id_priv;
+ int ret = NOTIFY_DONE;
+
+ if (dev_net(ndev) != &init_net)
+ return NOTIFY_DONE;
+
+ if (event != NETDEV_BONDING_FAILOVER)
+ return NOTIFY_DONE;
+
+ if (!(ndev->flags & IFF_MASTER) || !(ndev->priv_flags & IFF_BONDING))
+ return NOTIFY_DONE;
+
+ mutex_lock(&lock);
+ list_for_each_entry(cma_dev, &dev_list, list)
+ list_for_each_entry(id_priv, &cma_dev->id_list, list) {
+ ret = cma_netdev_change(ndev, id_priv);
+ if (ret)
+ goto out;
+ }
+
+out:
+ mutex_unlock(&lock);
+ return ret;
+}
+
+static struct notifier_block cma_nb = {
+ .notifier_call = cma_netdev_callback
+};
+
static void cma_add_one(struct ib_device *device)
{
struct cma_device *cma_dev;
@@ -2831,6 +2925,7 @@ static int cma_init(void)
ib_sa_register_client(&sa_client);
rdma_addr_register_client(&addr_client);
+ register_netdevice_notifier(&cma_nb);
ret = ib_register_client(&cma_client);
if (ret)
@@ -2838,6 +2933,7 @@ static int cma_init(void)
return 0;
err:
+ unregister_netdevice_notifier(&cma_nb);
rdma_addr_unregister_client(&addr_client);
ib_sa_unregister_client(&sa_client);
destroy_workqueue(cma_wq);
@@ -2847,6 +2943,7 @@ err:
static void cma_cleanup(void)
{
ib_unregister_client(&cma_client);
+ unregister_netdevice_notifier(&cma_nb);
rdma_addr_unregister_client(&addr_client);
ib_sa_unregister_client(&sa_client);
destroy_workqueue(cma_wq);
diff --git a/drivers/infiniband/core/iwcm.c b/drivers/infiniband/core/iwcm.c
index 81c9195b512..8f9509e1ebf 100644
--- a/drivers/infiniband/core/iwcm.c
+++ b/drivers/infiniband/core/iwcm.c
@@ -942,8 +942,7 @@ static int iwcm_init_qp_init_attr(struct iwcm_id_private *cm_id_priv,
case IW_CM_STATE_CONN_RECV:
case IW_CM_STATE_ESTABLISHED:
*qp_attr_mask = IB_QP_STATE | IB_QP_ACCESS_FLAGS;
- qp_attr->qp_access_flags = IB_ACCESS_LOCAL_WRITE |
- IB_ACCESS_REMOTE_WRITE|
+ qp_attr->qp_access_flags = IB_ACCESS_REMOTE_WRITE|
IB_ACCESS_REMOTE_READ;
ret = 0;
break;
diff --git a/drivers/infiniband/core/sa_query.c b/drivers/infiniband/core/sa_query.c
index 1341de793e5..7863a50d56f 100644
--- a/drivers/infiniband/core/sa_query.c
+++ b/drivers/infiniband/core/sa_query.c
@@ -1064,7 +1064,8 @@ static void ib_sa_remove_one(struct ib_device *device)
for (i = 0; i <= sa_dev->end_port - sa_dev->start_port; ++i) {
ib_unregister_mad_agent(sa_dev->port[i].agent);
- kref_put(&sa_dev->port[i].sm_ah->ref, free_sm_ah);
+ if (sa_dev->port[i].sm_ah)
+ kref_put(&sa_dev->port[i].sm_ah->ref, free_sm_ah);
}
kfree(sa_dev);
diff --git a/drivers/infiniband/hw/ehca/ehca_classes.h b/drivers/infiniband/hw/ehca/ehca_classes.h
index 1e9e99a1393..0b0618edd64 100644
--- a/drivers/infiniband/hw/ehca/ehca_classes.h
+++ b/drivers/infiniband/hw/ehca/ehca_classes.h
@@ -194,6 +194,7 @@ struct ehca_qp {
u32 packet_count;
atomic_t nr_events; /* events seen */
wait_queue_head_t wait_completion;
+ int mig_armed;
};
#define IS_SRQ(qp) (qp->ext_type == EQPT_SRQ)
diff --git a/drivers/infiniband/hw/ehca/ehca_hca.c b/drivers/infiniband/hw/ehca/ehca_hca.c
index bc3b37d2070..46288220cfb 100644
--- a/drivers/infiniband/hw/ehca/ehca_hca.c
+++ b/drivers/infiniband/hw/ehca/ehca_hca.c
@@ -114,7 +114,9 @@ int ehca_query_device(struct ib_device *ibdev, struct ib_device_attr *props)
}
props->max_pkeys = 16;
- props->local_ca_ack_delay = min_t(u8, rblock->local_ca_ack_delay, 255);
+ /* Some FW versions say 0 here; insert sensible value in that case */
+ props->local_ca_ack_delay = rblock->local_ca_ack_delay ?
+ min_t(u8, rblock->local_ca_ack_delay, 255) : 12;
props->max_raw_ipv6_qp = limit_uint(rblock->max_raw_ipv6_qp);
props->max_raw_ethy_qp = limit_uint(rblock->max_raw_ethy_qp);
props->max_mcast_grp = limit_uint(rblock->max_mcast_grp);
diff --git a/drivers/infiniband/hw/ehca/ehca_irq.c b/drivers/infiniband/hw/ehca/ehca_irq.c
index 7a64aa9b51b..cb55be04442 100644
--- a/drivers/infiniband/hw/ehca/ehca_irq.c
+++ b/drivers/infiniband/hw/ehca/ehca_irq.c
@@ -178,6 +178,10 @@ static void dispatch_qp_event(struct ehca_shca *shca, struct ehca_qp *qp,
{
struct ib_event event;
+ /* PATH_MIG without the QP ever having been armed is false alarm */
+ if (event_type == IB_EVENT_PATH_MIG && !qp->mig_armed)
+ return;
+
event.device = &shca->ib_device;
event.event = event_type;
diff --git a/drivers/infiniband/hw/ehca/ehca_qp.c b/drivers/infiniband/hw/ehca/ehca_qp.c
index 3f59587338e..ea13efddf17 100644
--- a/drivers/infiniband/hw/ehca/ehca_qp.c
+++ b/drivers/infiniband/hw/ehca/ehca_qp.c
@@ -1460,6 +1460,8 @@ static int internal_modify_qp(struct ib_qp *ibqp,
goto modify_qp_exit2;
}
mqpcb->path_migration_state = attr->path_mig_state + 1;
+ if (attr->path_mig_state == IB_MIG_REARM)
+ my_qp->mig_armed = 1;
update_mask |=
EHCA_BMASK_SET(MQPCB_MASK_PATH_MIGRATION_STATE, 1);
}
diff --git a/drivers/infiniband/hw/ehca/ipz_pt_fn.c b/drivers/infiniband/hw/ehca/ipz_pt_fn.c
index 661f8db6270..c3a32846543 100644
--- a/drivers/infiniband/hw/ehca/ipz_pt_fn.c
+++ b/drivers/infiniband/hw/ehca/ipz_pt_fn.c
@@ -163,6 +163,7 @@ static int alloc_small_queue_page(struct ipz_queue *queue, struct ehca_pd *pd)
out:
ehca_err(pd->ib_pd.device, "failed to allocate small queue page");
+ mutex_unlock(&pd->lock);
return 0;
}
diff --git a/drivers/infiniband/hw/mlx4/cq.c b/drivers/infiniband/hw/mlx4/cq.c
index 299f20832ab..0b191a4842c 100644
--- a/drivers/infiniband/hw/mlx4/cq.c
+++ b/drivers/infiniband/hw/mlx4/cq.c
@@ -637,6 +637,7 @@ repoll:
case MLX4_OPCODE_SEND_IMM:
wc->wc_flags |= IB_WC_WITH_IMM;
case MLX4_OPCODE_SEND:
+ case MLX4_OPCODE_SEND_INVAL:
wc->opcode = IB_WC_SEND;
break;
case MLX4_OPCODE_RDMA_READ:
@@ -657,6 +658,12 @@ repoll:
case MLX4_OPCODE_LSO:
wc->opcode = IB_WC_LSO;
break;
+ case MLX4_OPCODE_FMR:
+ wc->opcode = IB_WC_FAST_REG_MR;
+ break;
+ case MLX4_OPCODE_LOCAL_INVAL:
+ wc->opcode = IB_WC_LOCAL_INV;
+ break;
}
} else {
wc->byte_len = be32_to_cpu(cqe->byte_cnt);
@@ -667,6 +674,11 @@ repoll:
wc->wc_flags = IB_WC_WITH_IMM;
wc->ex.imm_data = cqe->immed_rss_invalid;
break;
+ case MLX4_RECV_OPCODE_SEND_INVAL:
+ wc->opcode = IB_WC_RECV;
+ wc->wc_flags = IB_WC_WITH_INVALIDATE;
+ wc->ex.invalidate_rkey = be32_to_cpu(cqe->immed_rss_invalid);
+ break;
case MLX4_RECV_OPCODE_SEND:
wc->opcode = IB_WC_RECV;
wc->wc_flags = 0;
diff --git a/drivers/infiniband/hw/mlx4/main.c b/drivers/infiniband/hw/mlx4/main.c
index bcf50648fa1..38d6907ab52 100644
--- a/drivers/infiniband/hw/mlx4/main.c
+++ b/drivers/infiniband/hw/mlx4/main.c
@@ -104,6 +104,12 @@ static int mlx4_ib_query_device(struct ib_device *ibdev,
props->device_cap_flags |= IB_DEVICE_UD_IP_CSUM;
if (dev->dev->caps.max_gso_sz)
props->device_cap_flags |= IB_DEVICE_UD_TSO;
+ if (dev->dev->caps.bmme_flags & MLX4_BMME_FLAG_RESERVED_LKEY)
+ props->device_cap_flags |= IB_DEVICE_LOCAL_DMA_LKEY;
+ if ((dev->dev->caps.bmme_flags & MLX4_BMME_FLAG_LOCAL_INV) &&
+ (dev->dev->caps.bmme_flags & MLX4_BMME_FLAG_REMOTE_INV) &&
+ (dev->dev->caps.bmme_flags & MLX4_BMME_FLAG_FAST_REG_WR))
+ props->device_cap_flags |= IB_DEVICE_MEM_MGT_EXTENSIONS;
props->vendor_id = be32_to_cpup((__be32 *) (out_mad->data + 36)) &
0xffffff;
@@ -127,6 +133,7 @@ static int mlx4_ib_query_device(struct ib_device *ibdev,
props->max_srq = dev->dev->caps.num_srqs - dev->dev->caps.reserved_srqs;
props->max_srq_wr = dev->dev->caps.max_srq_wqes - 1;
props->max_srq_sge = dev->dev->caps.max_srq_sge;
+ props->max_fast_reg_page_list_len = PAGE_SIZE / sizeof (u64);
props->local_ca_ack_delay = dev->dev->caps.local_ca_ack_delay;
props->atomic_cap = dev->dev->caps.flags & MLX4_DEV_CAP_FLAG_ATOMIC ?
IB_ATOMIC_HCA : IB_ATOMIC_NONE;
@@ -565,6 +572,7 @@ static void *mlx4_ib_add(struct mlx4_dev *dev)
strlcpy(ibdev->ib_dev.name, "mlx4_%d", IB_DEVICE_NAME_MAX);
ibdev->ib_dev.owner = THIS_MODULE;
ibdev->ib_dev.node_type = RDMA_NODE_IB_CA;
+ ibdev->ib_dev.local_dma_lkey = dev->caps.reserved_lkey;
ibdev->ib_dev.phys_port_cnt = dev->caps.num_ports;
ibdev->ib_dev.num_comp_vectors = 1;
ibdev->ib_dev.dma_device = &dev->pdev->dev;
@@ -627,6 +635,9 @@ static void *mlx4_ib_add(struct mlx4_dev *dev)
ibdev->ib_dev.get_dma_mr = mlx4_ib_get_dma_mr;
ibdev->ib_dev.reg_user_mr = mlx4_ib_reg_user_mr;
ibdev->ib_dev.dereg_mr = mlx4_ib_dereg_mr;
+ ibdev->ib_dev.alloc_fast_reg_mr = mlx4_ib_alloc_fast_reg_mr;
+ ibdev->ib_dev.alloc_fast_reg_page_list = mlx4_ib_alloc_fast_reg_page_list;
+ ibdev->ib_dev.free_fast_reg_page_list = mlx4_ib_free_fast_reg_page_list;
ibdev->ib_dev.attach_mcast = mlx4_ib_mcg_attach;
ibdev->ib_dev.detach_mcast = mlx4_ib_mcg_detach;
ibdev->ib_dev.process_mad = mlx4_ib_process_mad;
diff --git a/drivers/infiniband/hw/mlx4/mlx4_ib.h b/drivers/infiniband/hw/mlx4/mlx4_ib.h
index c4cf5b69eef..d26a91317d4 100644
--- a/drivers/infiniband/hw/mlx4/mlx4_ib.h
+++ b/drivers/infiniband/hw/mlx4/mlx4_ib.h
@@ -83,6 +83,11 @@ struct mlx4_ib_mr {
struct ib_umem *umem;
};
+struct mlx4_ib_fast_reg_page_list {
+ struct ib_fast_reg_page_list ibfrpl;
+ dma_addr_t map;
+};
+
struct mlx4_ib_fmr {
struct ib_fmr ibfmr;
struct mlx4_fmr mfmr;
@@ -199,6 +204,11 @@ static inline struct mlx4_ib_mr *to_mmr(struct ib_mr *ibmr)
return container_of(ibmr, struct mlx4_ib_mr, ibmr);
}
+static inline struct mlx4_ib_fast_reg_page_list *to_mfrpl(struct ib_fast_reg_page_list *ibfrpl)
+{
+ return container_of(ibfrpl, struct mlx4_ib_fast_reg_page_list, ibfrpl);
+}
+
static inline struct mlx4_ib_fmr *to_mfmr(struct ib_fmr *ibfmr)
{
return container_of(ibfmr, struct mlx4_ib_fmr, ibfmr);
@@ -239,6 +249,11 @@ struct ib_mr *mlx4_ib_reg_user_mr(struct ib_pd *pd, u64 start, u64 length,
u64 virt_addr, int access_flags,
struct ib_udata *udata);
int mlx4_ib_dereg_mr(struct ib_mr *mr);
+struct ib_mr *mlx4_ib_alloc_fast_reg_mr(struct ib_pd *pd,
+ int max_page_list_len);
+struct ib_fast_reg_page_list *mlx4_ib_alloc_fast_reg_page_list(struct ib_device *ibdev,
+ int page_list_len);
+void mlx4_ib_free_fast_reg_page_list(struct ib_fast_reg_page_list *page_list);
int mlx4_ib_modify_cq(struct ib_cq *cq, u16 cq_count, u16 cq_period);
int mlx4_ib_resize_cq(struct ib_cq *ibcq, int entries, struct ib_udata *udata);
diff --git a/drivers/infiniband/hw/mlx4/mr.c b/drivers/infiniband/hw/mlx4/mr.c
index 68e92485fc7..db2086faa4e 100644
--- a/drivers/infiniband/hw/mlx4/mr.c
+++ b/drivers/infiniband/hw/mlx4/mr.c
@@ -183,6 +183,76 @@ int mlx4_ib_dereg_mr(struct ib_mr *ibmr)
return 0;
}
+struct ib_mr *mlx4_ib_alloc_fast_reg_mr(struct ib_pd *pd,
+ int max_page_list_len)
+{
+ struct mlx4_ib_dev *dev = to_mdev(pd->device);
+ struct mlx4_ib_mr *mr;
+ int err;
+
+ mr = kmalloc(sizeof *mr, GFP_KERNEL);
+ if (!mr)
+ return ERR_PTR(-ENOMEM);
+
+ err = mlx4_mr_alloc(dev->dev, to_mpd(pd)->pdn, 0, 0, 0,
+ max_page_list_len, 0, &mr->mmr);
+ if (err)
+ goto err_free;
+
+ err = mlx4_mr_enable(dev->dev, &mr->mmr);
+ if (err)
+ goto err_mr;
+
+ return &mr->ibmr;
+
+err_mr:
+ mlx4_mr_free(dev->dev, &mr->mmr);
+
+err_free:
+ kfree(mr);
+ return ERR_PTR(err);
+}
+
+struct ib_fast_reg_page_list *mlx4_ib_alloc_fast_reg_page_list(struct ib_device *ibdev,
+ int page_list_len)
+{
+ struct mlx4_ib_dev *dev = to_mdev(ibdev);
+ struct mlx4_ib_fast_reg_page_list *mfrpl;
+ int size = page_list_len * sizeof (u64);
+
+ if (size > PAGE_SIZE)
+ return ERR_PTR(-EINVAL);
+
+ mfrpl = kmalloc(sizeof *mfrpl, GFP_KERNEL);
+ if (!mfrpl)
+ return ERR_PTR(-ENOMEM);
+
+ mfrpl->ibfrpl.page_list = dma_alloc_coherent(&dev->dev->pdev->dev,
+ size, &mfrpl->map,
+ GFP_KERNEL);
+ if (!mfrpl->ibfrpl.page_list)
+ goto err_free;
+
+ WARN_ON(mfrpl->map & 0x3f);
+
+ return &mfrpl->ibfrpl;
+
+err_free:
+ kfree(mfrpl);
+ return ERR_PTR(-ENOMEM);
+}
+
+void mlx4_ib_free_fast_reg_page_list(struct ib_fast_reg_page_list *page_list)
+{
+ struct mlx4_ib_dev *dev = to_mdev(page_list->device);
+ struct mlx4_ib_fast_reg_page_list *mfrpl = to_mfrpl(page_list);
+ int size = page_list->max_page_list_len * sizeof (u64);
+
+ dma_free_coherent(&dev->dev->pdev->dev, size, page_list->page_list,
+ mfrpl->map);
+ kfree(mfrpl);
+}
+
struct ib_fmr *mlx4_ib_fmr_alloc(struct ib_pd *pd, int acc,
struct ib_fmr_attr *fmr_attr)
{
diff --git a/drivers/infiniband/hw/mlx4/qp.c b/drivers/infiniband/hw/mlx4/qp.c
index 89eb6cbe592..02a99bc4442 100644
--- a/drivers/infiniband/hw/mlx4/qp.c
+++ b/drivers/infiniband/hw/mlx4/qp.c
@@ -78,6 +78,9 @@ static const __be32 mlx4_ib_opcode[] = {
[IB_WR_RDMA_READ] = __constant_cpu_to_be32(MLX4_OPCODE_RDMA_READ),
[IB_WR_ATOMIC_CMP_AND_SWP] = __constant_cpu_to_be32(MLX4_OPCODE_ATOMIC_CS),
[IB_WR_ATOMIC_FETCH_AND_ADD] = __constant_cpu_to_be32(MLX4_OPCODE_ATOMIC_FA),
+ [IB_WR_SEND_WITH_INV] = __constant_cpu_to_be32(MLX4_OPCODE_SEND_INVAL),
+ [IB_WR_LOCAL_INV] = __constant_cpu_to_be32(MLX4_OPCODE_LOCAL_INVAL),
+ [IB_WR_FAST_REG_MR] = __constant_cpu_to_be32(MLX4_OPCODE_FMR),
};
static struct mlx4_ib_sqp *to_msqp(struct mlx4_ib_qp *mqp)
@@ -976,6 +979,10 @@ static int __mlx4_ib_modify_qp(struct ib_qp *ibqp,
context->pd = cpu_to_be32(to_mpd(ibqp->pd)->pdn);
context->params1 = cpu_to_be32(MLX4_IB_ACK_REQ_FREQ << 28);
+ /* Set "fast registration enabled" for all kernel QPs */
+ if (!qp->ibqp.uobject)
+ context->params1 |= cpu_to_be32(1 << 11);
+
if (attr_mask & IB_QP_RNR_RETRY) {
context->params1 |= cpu_to_be32(attr->rnr_retry << 13);
optpar |= MLX4_QP_OPTPAR_RNR_RETRY;
@@ -1322,6 +1329,38 @@ static int mlx4_wq_overflow(struct mlx4_ib_wq *wq, int nreq, struct ib_cq *ib_cq
return cur + nreq >= wq->max_post;
}
+static __be32 convert_access(int acc)
+{
+ return (acc & IB_ACCESS_REMOTE_ATOMIC ? cpu_to_be32(MLX4_WQE_FMR_PERM_ATOMIC) : 0) |
+ (acc & IB_ACCESS_REMOTE_WRITE ? cpu_to_be32(MLX4_WQE_FMR_PERM_REMOTE_WRITE) : 0) |
+ (acc & IB_ACCESS_REMOTE_READ ? cpu_to_be32(MLX4_WQE_FMR_PERM_REMOTE_READ) : 0) |
+ (acc & IB_ACCESS_LOCAL_WRITE ? cpu_to_be32(MLX4_WQE_FMR_PERM_LOCAL_WRITE) : 0) |
+ cpu_to_be32(MLX4_WQE_FMR_PERM_LOCAL_READ);
+}
+
+static void set_fmr_seg(struct mlx4_wqe_fmr_seg *fseg, struct ib_send_wr *wr)
+{
+ struct mlx4_ib_fast_reg_page_list *mfrpl = to_mfrpl(wr->wr.fast_reg.page_list);
+
+ fseg->flags = convert_access(wr->wr.fast_reg.access_flags);
+ fseg->mem_key = cpu_to_be32(wr->wr.fast_reg.rkey);
+ fseg->buf_list = cpu_to_be64(mfrpl->map);
+ fseg->start_addr = cpu_to_be64(wr->wr.fast_reg.iova_start);
+ fseg->reg_len = cpu_to_be64(wr->wr.fast_reg.length);
+ fseg->offset = 0; /* XXX -- is this just for ZBVA? */
+ fseg->page_size = cpu_to_be32(wr->wr.fast_reg.page_shift);
+ fseg->reserved[0] = 0;
+ fseg->reserved[1] = 0;
+}
+
+static void set_local_inv_seg(struct mlx4_wqe_local_inval_seg *iseg, u32 rkey)
+{
+ iseg->flags = 0;
+ iseg->mem_key = cpu_to_be32(rkey);
+ iseg->guest_id = 0;
+ iseg->pa = 0;
+}
+
static __always_inline void set_raddr_seg(struct mlx4_wqe_raddr_seg *rseg,
u64 remote_addr, u32 rkey)
{
@@ -1395,7 +1434,7 @@ static void __set_data_seg(struct mlx4_wqe_data_seg *dseg, struct ib_sge *sg)
dseg->addr = cpu_to_be64(sg->addr);
}
-static int build_lso_seg(struct mlx4_lso_seg *wqe, struct ib_send_wr *wr,
+static int build_lso_seg(struct mlx4_wqe_lso_seg *wqe, struct ib_send_wr *wr,
struct mlx4_ib_qp *qp, unsigned *lso_seg_len)
{
unsigned halign = ALIGN(sizeof *wqe + wr->wr.ud.hlen, 16);
@@ -1423,6 +1462,21 @@ static int build_lso_seg(struct mlx4_lso_seg *wqe, struct ib_send_wr *wr,
return 0;
}
+static __be32 send_ieth(struct ib_send_wr *wr)
+{
+ switch (wr->opcode) {
+ case IB_WR_SEND_WITH_IMM:
+ case IB_WR_RDMA_WRITE_WITH_IMM:
+ return wr->ex.imm_data;
+
+ case IB_WR_SEND_WITH_INV:
+ return cpu_to_be32(wr->ex.invalidate_rkey);
+
+ default:
+ return 0;
+ }
+}
+
int mlx4_ib_post_send(struct ib_qp *ibqp, struct ib_send_wr *wr,
struct ib_send_wr **bad_wr)
{
@@ -1469,11 +1523,7 @@ int mlx4_ib_post_send(struct ib_qp *ibqp, struct ib_send_wr *wr,
MLX4_WQE_CTRL_TCP_UDP_CSUM) : 0) |
qp->sq_signal_bits;
- if (wr->opcode == IB_WR_SEND_WITH_IMM ||
- wr->opcode == IB_WR_RDMA_WRITE_WITH_IMM)
- ctrl->imm = wr->ex.imm_data;
- else
- ctrl->imm = 0;
+ ctrl->imm = send_ieth(wr);
wqe += sizeof *ctrl;
size = sizeof *ctrl / 16;
@@ -1505,6 +1555,18 @@ int mlx4_ib_post_send(struct ib_qp *ibqp, struct ib_send_wr *wr,
size += sizeof (struct mlx4_wqe_raddr_seg) / 16;
break;
+ case IB_WR_LOCAL_INV:
+ set_local_inv_seg(wqe, wr->ex.invalidate_rkey);
+ wqe += sizeof (struct mlx4_wqe_local_inval_seg);
+ size += sizeof (struct mlx4_wqe_local_inval_seg) / 16;
+ break;
+
+ case IB_WR_FAST_REG_MR:
+ set_fmr_seg(wqe, wr);
+ wqe += sizeof (struct mlx4_wqe_fmr_seg);
+ size += sizeof (struct mlx4_wqe_fmr_seg) / 16;
+ break;
+
default:
/* No extra segments required for sends */
break;
diff --git a/drivers/infiniband/hw/mthca/mthca_dev.h b/drivers/infiniband/hw/mthca/mthca_dev.h
index ee4d073c889..252590116df 100644
--- a/drivers/infiniband/hw/mthca/mthca_dev.h
+++ b/drivers/infiniband/hw/mthca/mthca_dev.h
@@ -202,6 +202,7 @@ struct mthca_pd_table {
struct mthca_buddy {
unsigned long **bits;
+ int *num_free;
int max_order;
spinlock_t lock;
};
diff --git a/drivers/infiniband/hw/mthca/mthca_mr.c b/drivers/infiniband/hw/mthca/mthca_mr.c
index 8489b1e81c0..882e6b73591 100644
--- a/drivers/infiniband/hw/mthca/mthca_mr.c
+++ b/drivers/infiniband/hw/mthca/mthca_mr.c
@@ -89,23 +89,26 @@ static u32 mthca_buddy_alloc(struct mthca_buddy *buddy, int order)
spin_lock(&buddy->lock);
- for (o = order; o <= buddy->max_order; ++o) {
- m = 1 << (buddy->max_order - o);
- seg = find_first_bit(buddy->bits[o], m);
- if (seg < m)
- goto found;
- }
+ for (o = order; o <= buddy->max_order; ++o)
+ if (buddy->num_free[o]) {
+ m = 1 << (buddy->max_order - o);
+ seg = find_first_bit(buddy->bits[o], m);
+ if (seg < m)
+ goto found;
+ }
spin_unlock(&buddy->lock);
return -1;
found:
clear_bit(seg, buddy->bits[o]);
+ --buddy->num_free[o];
while (o > order) {
--o;
seg <<= 1;
set_bit(seg ^ 1, buddy->bits[o]);
+ ++buddy->num_free[o];
}
spin_unlock(&buddy->lock);
@@ -123,11 +126,13 @@ static void mthca_buddy_free(struct mthca_buddy *buddy, u32 seg, int order)
while (test_bit(seg ^ 1, buddy->bits[order])) {
clear_bit(seg ^ 1, buddy->bits[order]);
+ --buddy->num_free[order];
seg >>= 1;
++order;
}
set_bit(seg, buddy->bits[order]);
+ ++buddy->num_free[order];
spin_unlock(&buddy->lock);
}
@@ -141,7 +146,9 @@ static int mthca_buddy_init(struct mthca_buddy *buddy, int max_order)
buddy->bits = kzalloc((buddy->max_order + 1) * sizeof (long *),
GFP_KERNEL);
- if (!buddy->bits)
+ buddy->num_free = kzalloc((buddy->max_order + 1) * sizeof (int *),
+ GFP_KERNEL);
+ if (!buddy->bits || !buddy->num_free)
goto err_out;
for (i = 0; i <= buddy->max_order; ++i) {
@@ -154,6 +161,7 @@ static int mthca_buddy_init(struct mthca_buddy *buddy, int max_order)
}
set_bit(0, buddy->bits[buddy->max_order]);
+ buddy->num_free[buddy->max_order] = 1;
return 0;
@@ -161,9 +169,10 @@ err_out_free:
for (i = 0; i <= buddy->max_order; ++i)
kfree(buddy->bits[i]);
+err_out:
kfree(buddy->bits);
+ kfree(buddy->num_free);
-err_out:
return -ENOMEM;
}
@@ -175,6 +184,7 @@ static void mthca_buddy_cleanup(struct mthca_buddy *buddy)
kfree(buddy->bits[i]);
kfree(buddy->bits);
+ kfree(buddy->num_free);
}
static u32 mthca_alloc_mtt_range(struct mthca_dev *dev, int order,
diff --git a/drivers/infiniband/ulp/ipoib/ipoib_main.c b/drivers/infiniband/ulp/ipoib/ipoib_main.c
index 8be9ea0436e..f51201b17bf 100644
--- a/drivers/infiniband/ulp/ipoib/ipoib_main.c
+++ b/drivers/infiniband/ulp/ipoib/ipoib_main.c
@@ -548,7 +548,7 @@ static int path_rec_start(struct net_device *dev,
path_rec_completion,
path, &path->query);
if (path->query_id < 0) {
- ipoib_warn(priv, "ib_sa_path_rec_get failed\n");
+ ipoib_warn(priv, "ib_sa_path_rec_get failed: %d\n", path->query_id);
path->query = NULL;
return path->query_id;
}
diff --git a/drivers/infiniband/ulp/iser/iser_verbs.c b/drivers/infiniband/ulp/iser/iser_verbs.c
index 3a917c1f796..63462ecca14 100644
--- a/drivers/infiniband/ulp/iser/iser_verbs.c
+++ b/drivers/infiniband/ulp/iser/iser_verbs.c
@@ -483,6 +483,7 @@ static int iser_cma_handler(struct rdma_cm_id *cma_id, struct rdma_cm_event *eve
break;
case RDMA_CM_EVENT_DISCONNECTED:
case RDMA_CM_EVENT_DEVICE_REMOVAL:
+ case RDMA_CM_EVENT_ADDR_CHANGE:
iser_disconnected_handler(cma_id);
break;
default:
diff --git a/drivers/net/mlx4/cmd.c b/drivers/net/mlx4/cmd.c
index 70dff94a8bc..04d5bc69a6f 100644
--- a/drivers/net/mlx4/cmd.c
+++ b/drivers/net/mlx4/cmd.c
@@ -67,6 +67,8 @@ enum {
CMD_STAT_BAD_INDEX = 0x0a,
/* FW image corrupted: */
CMD_STAT_BAD_NVMEM = 0x0b,
+ /* Error in ICM mapping (e.g. not enough auxiliary ICM pages to execute command): */
+ CMD_STAT_ICM_ERROR = 0x0c,
/* Attempt to modify a QP/EE which is not in the presumed state: */
CMD_STAT_BAD_QP_STATE = 0x10,
/* Bad segment parameters (Address/Size): */
@@ -119,6 +121,7 @@ static int mlx4_status_to_errno(u8 status)
[CMD_STAT_BAD_RES_STATE] = -EBADF,
[CMD_STAT_BAD_INDEX] = -EBADF,
[CMD_STAT_BAD_NVMEM] = -EFAULT,
+ [CMD_STAT_ICM_ERROR] = -ENFILE,
[CMD_STAT_BAD_QP_STATE] = -EINVAL,
[CMD_STAT_BAD_SEG_PARAM] = -EFAULT,
[CMD_STAT_REG_BOUND] = -EBUSY,
diff --git a/drivers/net/mlx4/fw.c b/drivers/net/mlx4/fw.c
index 2b5006b9be6..57278224ba1 100644
--- a/drivers/net/mlx4/fw.c
+++ b/drivers/net/mlx4/fw.c
@@ -46,6 +46,10 @@ enum {
extern void __buggy_use_of_MLX4_GET(void);
extern void __buggy_use_of_MLX4_PUT(void);
+static int enable_qos;
+module_param(enable_qos, bool, 0444);
+MODULE_PARM_DESC(enable_qos, "Enable Quality of Service support in the HCA (default: off)");
+
#define MLX4_GET(dest, source, offset) \
do { \
void *__p = (char *) (source) + (offset); \
@@ -198,7 +202,7 @@ int mlx4_QUERY_DEV_CAP(struct mlx4_dev *dev, struct mlx4_dev_cap *dev_cap)
#define QUERY_DEV_CAP_C_MPT_ENTRY_SZ_OFFSET 0x8e
#define QUERY_DEV_CAP_MTT_ENTRY_SZ_OFFSET 0x90
#define QUERY_DEV_CAP_D_MPT_ENTRY_SZ_OFFSET 0x92
-#define QUERY_DEV_CAP_BMME_FLAGS_OFFSET 0x97
+#define QUERY_DEV_CAP_BMME_FLAGS_OFFSET 0x94
#define QUERY_DEV_CAP_RSVD_LKEY_OFFSET 0x98
#define QUERY_DEV_CAP_MAX_ICM_SZ_OFFSET 0xa0
@@ -373,12 +377,8 @@ int mlx4_QUERY_DEV_CAP(struct mlx4_dev *dev, struct mlx4_dev_cap *dev_cap)
}
}
- if (dev_cap->bmme_flags & 1)
- mlx4_dbg(dev, "Base MM extensions: yes "
- "(flags %d, rsvd L_Key %08x)\n",
- dev_cap->bmme_flags, dev_cap->reserved_lkey);
- else
- mlx4_dbg(dev, "Base MM extensions: no\n");
+ mlx4_dbg(dev, "Base MM extensions: flags %08x, rsvd L_Key %08x\n",
+ dev_cap->bmme_flags, dev_cap->reserved_lkey);
/*
* Each UAR has 4 EQ doorbells; so if a UAR is reserved, then
@@ -737,6 +737,10 @@ int mlx4_INIT_HCA(struct mlx4_dev *dev, struct mlx4_init_hca_param *param)
if (dev->caps.flags & MLX4_DEV_CAP_FLAG_IPOIB_CSUM)
*(inbox + INIT_HCA_FLAGS_OFFSET / 4) |= cpu_to_be32(1 << 3);
+ /* Enable QoS support if module parameter set */
+ if (enable_qos)
+ *(inbox + INIT_HCA_FLAGS_OFFSET / 4) |= cpu_to_be32(1 << 2);
+
/* QPC/EEC/CQC/EQC/RDMARC attributes */
MLX4_PUT(inbox, param->qpc_base, INIT_HCA_QPC_BASE_OFFSET);
diff --git a/drivers/net/mlx4/fw.h b/drivers/net/mlx4/fw.h
index a0e046c149b..fbf0e22be12 100644
--- a/drivers/net/mlx4/fw.h
+++ b/drivers/net/mlx4/fw.h
@@ -98,7 +98,7 @@ struct mlx4_dev_cap {
int cmpt_entry_sz;
int mtt_entry_sz;
int resize_srq;
- u8 bmme_flags;
+ u32 bmme_flags;
u32 reserved_lkey;
u64 max_icm_sz;
int max_gso_sz;
diff --git a/drivers/net/mlx4/main.c b/drivers/net/mlx4/main.c
index d3736013fe9..8e1d24cda1b 100644
--- a/drivers/net/mlx4/main.c
+++ b/drivers/net/mlx4/main.c
@@ -158,6 +158,8 @@ static int mlx4_dev_cap(struct mlx4_dev *dev, struct mlx4_dev_cap *dev_cap)
dev->caps.max_msg_sz = dev_cap->max_msg_sz;
dev->caps.page_size_cap = ~(u32) (dev_cap->min_page_sz - 1);
dev->caps.flags = dev_cap->flags;
+ dev->caps.bmme_flags = dev_cap->bmme_flags;
+ dev->caps.reserved_lkey = dev_cap->reserved_lkey;
dev->caps.stat_rate_support = dev_cap->stat_rate_support;
dev->caps.max_gso_sz = dev_cap->max_gso_sz;
diff --git a/drivers/net/mlx4/mlx4.h b/drivers/net/mlx4/mlx4.h
index a4023c2dd05..78038499cff 100644
--- a/drivers/net/mlx4/mlx4.h
+++ b/drivers/net/mlx4/mlx4.h
@@ -118,6 +118,7 @@ struct mlx4_bitmap {
struct mlx4_buddy {
unsigned long **bits;
+ unsigned int *num_free;
int max_order;
spinlock_t lock;
};
diff --git a/drivers/net/mlx4/mr.c b/drivers/net/mlx4/mr.c
index 03a9abcce52..a3c04c5f12c 100644
--- a/drivers/net/mlx4/mr.c
+++ b/drivers/net/mlx4/mr.c
@@ -47,7 +47,7 @@ struct mlx4_mpt_entry {
__be32 flags;
__be32 qpn;
__be32 key;
- __be32 pd;
+ __be32 pd_flags;
__be64 start;
__be64 length;
__be32 lkey;
@@ -61,11 +61,15 @@ struct mlx4_mpt_entry {
} __attribute__((packed));
#define MLX4_MPT_FLAG_SW_OWNS (0xfUL << 28)
+#define MLX4_MPT_FLAG_FREE (0x3UL << 28)
#define MLX4_MPT_FLAG_MIO (1 << 17)
#define MLX4_MPT_FLAG_BIND_ENABLE (1 << 15)
#define MLX4_MPT_FLAG_PHYSICAL (1 << 9)
#define MLX4_MPT_FLAG_REGION (1 << 8)
+#define MLX4_MPT_PD_FLAG_FAST_REG (1 << 26)
+#define MLX4_MPT_PD_FLAG_EN_INV (3 << 24)
+
#define MLX4_MTT_FLAG_PRESENT 1
#define MLX4_MPT_STATUS_SW 0xF0
@@ -79,23 +83,26 @@ static u32 mlx4_buddy_alloc(struct mlx4_buddy *buddy, int order)
spin_lock(&buddy->lock);
- for (o = order; o <= buddy->max_order; ++o) {
- m = 1 << (buddy->max_order - o);
- seg = find_first_bit(buddy->bits[o], m);
- if (seg < m)
- goto found;
- }
+ for (o = order; o <= buddy->max_order; ++o)
+ if (buddy->num_free[o]) {
+ m = 1 << (buddy->max_order - o);
+ seg = find_first_bit(buddy->bits[o], m);
+ if (seg < m)
+ goto found;
+ }
spin_unlock(&buddy->lock);
return -1;
found:
clear_bit(seg, buddy->bits[o]);
+ --buddy->num_free[o];
while (o > order) {
--o;
seg <<= 1;
set_bit(seg ^ 1, buddy->bits[o]);
+ ++buddy->num_free[o];
}
spin_unlock(&buddy->lock);
@@ -113,11 +120,13 @@ static void mlx4_buddy_free(struct mlx4_buddy *buddy, u32 seg, int order)
while (test_bit(seg ^ 1, buddy->bits[order])) {
clear_bit(seg ^ 1, buddy->bits[order]);
+ --buddy->num_free[order];
seg >>= 1;
++order;
}
set_bit(seg, buddy->bits[order]);
+ ++buddy->num_free[order];
spin_unlock(&buddy->lock);
}
@@ -131,7 +140,9 @@ static int mlx4_buddy_init(struct mlx4_buddy *buddy, int max_order)
buddy->bits = kzalloc((buddy->max_order + 1) * sizeof (long *),
GFP_KERNEL);
- if (!buddy->bits)
+ buddy->num_free = kzalloc((buddy->max_order + 1) * sizeof (int *),
+ GFP_KERNEL);
+ if (!buddy->bits || !buddy->num_free)
goto err_out;
for (i = 0; i <= buddy->max_order; ++i) {
@@ -143,6 +154,7 @@ static int mlx4_buddy_init(struct mlx4_buddy *buddy, int max_order)
}
set_bit(0, buddy->bits[buddy->max_order]);
+ buddy->num_free[buddy->max_order] = 1;
return 0;
@@ -150,9 +162,10 @@ err_out_free:
for (i = 0; i <= buddy->max_order; ++i)
kfree(buddy->bits[i]);
+err_out:
kfree(buddy->bits);
+ kfree(buddy->num_free);
-err_out:
return -ENOMEM;
}
@@ -164,6 +177,7 @@ static void mlx4_buddy_cleanup(struct mlx4_buddy *buddy)
kfree(buddy->bits[i]);
kfree(buddy->bits);
+ kfree(buddy->num_free);
}
static u32 mlx4_alloc_mtt_range(struct mlx4_dev *dev, int order)
@@ -314,21 +328,30 @@ int mlx4_mr_enable(struct mlx4_dev *dev, struct mlx4_mr *mr)
memset(mpt_entry, 0, sizeof *mpt_entry);
- mpt_entry->flags = cpu_to_be32(MLX4_MPT_FLAG_SW_OWNS |
- MLX4_MPT_FLAG_MIO |
+ mpt_entry->flags = cpu_to_be32(MLX4_MPT_FLAG_MIO |
MLX4_MPT_FLAG_REGION |
mr->access);
mpt_entry->key = cpu_to_be32(key_to_hw_index(mr->key));
- mpt_entry->pd = cpu_to_be32(mr->pd);
+ mpt_entry->pd_flags = cpu_to_be32(mr->pd | MLX4_MPT_PD_FLAG_EN_INV);
mpt_entry->start = cpu_to_be64(mr->iova);
mpt_entry->length = cpu_to_be64(mr->size);
mpt_entry->entity_size = cpu_to_be32(mr->mtt.page_shift);
+
if (mr->mtt.order < 0) {
mpt_entry->flags |= cpu_to_be32(MLX4_MPT_FLAG_PHYSICAL);
mpt_entry->mtt_seg = 0;
- } else
+ } else {
mpt_entry->mtt_seg = cpu_to_be64(mlx4_mtt_addr(dev, &mr->mtt));
+ }
+
+ if (mr->mtt.order >= 0 && mr->mtt.page_shift == 0) {
+ /* fast register MR in free state */
+ mpt_entry->flags |= cpu_to_be32(MLX4_MPT_FLAG_FREE);
+ mpt_entry->pd_flags |= cpu_to_be32(MLX4_MPT_PD_FLAG_FAST_REG);
+ } else {
+ mpt_entry->flags |= cpu_to_be32(MLX4_MPT_FLAG_SW_OWNS);
+ }
err = mlx4_SW2HW_MPT(dev, mailbox,
key_to_hw_index(mr->key) & (dev->caps.num_mpts - 1));
diff --git a/drivers/net/mlx4/pd.c b/drivers/net/mlx4/pd.c
index 3a93c5f0f7a..aa616892d09 100644
--- a/drivers/net/mlx4/pd.c
+++ b/drivers/net/mlx4/pd.c
@@ -91,6 +91,13 @@ EXPORT_SYMBOL_GPL(mlx4_uar_free);
int mlx4_init_uar_table(struct mlx4_dev *dev)
{
+ if (dev->caps.num_uars <= 128) {
+ mlx4_err(dev, "Only %d UAR pages (need more than 128)\n",
+ dev->caps.num_uars);
+ mlx4_err(dev, "Increase firmware log2_uar_bar_megabytes?\n");
+ return -ENODEV;
+ }
+
return mlx4_bitmap_init(&mlx4_priv(dev)->uar_table.bitmap,
dev->caps.num_uars, dev->caps.num_uars - 1,
max(128, dev->caps.reserved_uars));