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
  ...

MAINTAINERS

@@ -3426,10 +3426,9 @@ S:	Maintained
 F:	drivers/net/ipg.*
 
 IPATH DRIVER
-M:	Ralph Campbell <[email protected]>
+M:	Mike Marciniszyn <[email protected]>
 L:	[email protected]
-T:	git git://git.qlogic.com/ipath-linux-2.6
-S:	Supported
+S:	Maintained
 F:	drivers/infiniband/hw/ipath/
 
 IPMI SUBSYSTEM
@@ -5152,6 +5151,12 @@ M:	Robert Jarzmik <[email protected]>
 L:	[email protected]
 S:	Maintained
 
+QIB DRIVER
+M:	Mike Marciniszyn <[email protected]>
+L:	[email protected]
+S:	Supported
+F:	drivers/infiniband/hw/qib/
+
 QLOGIC QLA1280 SCSI DRIVER
 M:	Michael Reed <[email protected]>
 L:	[email protected]

drivers/infiniband/core/cache.c

@@ -302,7 +302,8 @@ static void ib_cache_event(struct ib_event_handler *handler,
 	    event->event == IB_EVENT_LID_CHANGE  ||
 	    event->event == IB_EVENT_PKEY_CHANGE ||
 	    event->event == IB_EVENT_SM_CHANGE   ||
-	    event->event == IB_EVENT_CLIENT_REREGISTER) {
+	    event->event == IB_EVENT_CLIENT_REREGISTER ||
+	    event->event == IB_EVENT_GID_CHANGE) {
 		work = kmalloc(sizeof *work, GFP_ATOMIC);
 		if (work) {
 			INIT_WORK(&work->work, ib_cache_task);

drivers/infiniband/core/cma.c

@@ -359,6 +359,10 @@ static int cma_acquire_dev(struct rdma_id_private *id_priv)
 	enum rdma_link_layer dev_ll = dev_addr->dev_type == ARPHRD_INFINIBAND ?
 		IB_LINK_LAYER_INFINIBAND : IB_LINK_LAYER_ETHERNET;
 
+	if (dev_ll != IB_LINK_LAYER_INFINIBAND &&
+	    id_priv->id.ps == RDMA_PS_IPOIB)
+		return -EINVAL;
+
 	mutex_lock(&lock);
 	iboe_addr_get_sgid(dev_addr, &iboe_gid);
 	memcpy(&gid, dev_addr->src_dev_addr +
@@ -406,11 +410,6 @@ static int cma_disable_callback(struct rdma_id_private *id_priv,
 	return 0;
 }
 
-static int cma_has_cm_dev(struct rdma_id_private *id_priv)
-{
-	return (id_priv->id.device && id_priv->cm_id.ib);
-}
-
 struct rdma_cm_id *rdma_create_id(rdma_cm_event_handler event_handler,
 				  void *context, enum rdma_port_space ps,
 				  enum ib_qp_type qp_type)
@@ -920,11 +919,11 @@ void rdma_destroy_id(struct rdma_cm_id *id)
 	if (id_priv->cma_dev) {
 		switch (rdma_node_get_transport(id_priv->id.device->node_type)) {
 		case RDMA_TRANSPORT_IB:
-			if (id_priv->cm_id.ib && !IS_ERR(id_priv->cm_id.ib))
+			if (id_priv->cm_id.ib)
 				ib_destroy_cm_id(id_priv->cm_id.ib);
 			break;
 		case RDMA_TRANSPORT_IWARP:
-			if (id_priv->cm_id.iw && !IS_ERR(id_priv->cm_id.iw))
+			if (id_priv->cm_id.iw)
 				iw_destroy_cm_id(id_priv->cm_id.iw);
 			break;
 		default:
@@ -1085,12 +1084,12 @@ static struct rdma_id_private *cma_new_conn_id(struct rdma_cm_id *listen_id,
 
 	if (cma_get_net_info(ib_event->private_data, listen_id->ps,
 			     &ip_ver, &port, &src, &dst))
-		goto err;
+		return NULL;
 
 	id = rdma_create_id(listen_id->event_handler, listen_id->context,
 			    listen_id->ps, ib_event->param.req_rcvd.qp_type);
 	if (IS_ERR(id))
-		goto err;
+		return NULL;
 
 	cma_save_net_info(&id->route.addr, &listen_id->route.addr,
 			  ip_ver, port, src, dst);
@@ -1100,7 +1099,7 @@ static struct rdma_id_private *cma_new_conn_id(struct rdma_cm_id *listen_id,
 	rt->path_rec = kmalloc(sizeof *rt->path_rec * rt->num_paths,
 			       GFP_KERNEL);
 	if (!rt->path_rec)
-		goto destroy_id;
+		goto err;
 
 	rt->path_rec[0] = *ib_event->param.req_rcvd.primary_path;
 	if (rt->num_paths == 2)
@@ -1114,17 +1113,16 @@ static struct rdma_id_private *cma_new_conn_id(struct rdma_cm_id *listen_id,
 		ret = rdma_translate_ip((struct sockaddr *) &rt->addr.src_addr,
 					&rt->addr.dev_addr);
 		if (ret)
-			goto destroy_id;
+			goto err;
 	}
 	rdma_addr_set_dgid(&rt->addr.dev_addr, &rt->path_rec[0].dgid);
 
 	id_priv = container_of(id, struct rdma_id_private, id);
 	id_priv->state = RDMA_CM_CONNECT;
 	return id_priv;
 
-destroy_id:
-	rdma_destroy_id(id);
 err:
+	rdma_destroy_id(id);
 	return NULL;
 }
 
@@ -1468,13 +1466,15 @@ static int cma_ib_listen(struct rdma_id_private *id_priv)
 {
 	struct ib_cm_compare_data compare_data;
 	struct sockaddr *addr;
+	struct ib_cm_id	*id;
 	__be64 svc_id;
 	int ret;
 
-	id_priv->cm_id.ib = ib_create_cm_id(id_priv->id.device, cma_req_handler,
-					    id_priv);
-	if (IS_ERR(id_priv->cm_id.ib))
-		return PTR_ERR(id_priv->cm_id.ib);
+	id = ib_create_cm_id(id_priv->id.device, cma_req_handler, id_priv);
+	if (IS_ERR(id))
+		return PTR_ERR(id);
+
+	id_priv->cm_id.ib = id;
 
 	addr = (struct sockaddr *) &id_priv->id.route.addr.src_addr;
 	svc_id = cma_get_service_id(id_priv->id.ps, addr);
@@ -1497,12 +1497,15 @@ static int cma_iw_listen(struct rdma_id_private *id_priv, int backlog)
 {
 	int ret;
 	struct sockaddr_in *sin;
+	struct iw_cm_id	*id;
+
+	id = iw_create_cm_id(id_priv->id.device,
+			     iw_conn_req_handler,
+			     id_priv);
+	if (IS_ERR(id))
+		return PTR_ERR(id);
 
-	id_priv->cm_id.iw = iw_create_cm_id(id_priv->id.device,
-					    iw_conn_req_handler,
-					    id_priv);
-	if (IS_ERR(id_priv->cm_id.iw))
-		return PTR_ERR(id_priv->cm_id.iw);
+	id_priv->cm_id.iw = id;
 
 	sin = (struct sockaddr_in *) &id_priv->id.route.addr.src_addr;
 	id_priv->cm_id.iw->local_addr = *sin;
@@ -2484,6 +2487,7 @@ static int cma_resolve_ib_udp(struct rdma_id_private *id_priv,
 {
 	struct ib_cm_sidr_req_param req;
 	struct rdma_route *route;
+	struct ib_cm_id	*id;
 	int ret;
 
 	req.private_data_len = sizeof(struct cma_hdr) +
@@ -2501,12 +2505,13 @@ static int cma_resolve_ib_udp(struct rdma_id_private *id_priv,
 	if (ret)
 		goto out;
 
-	id_priv->cm_id.ib = ib_create_cm_id(id_priv->id.device,
-					    cma_sidr_rep_handler, id_priv);
-	if (IS_ERR(id_priv->cm_id.ib)) {
-		ret = PTR_ERR(id_priv->cm_id.ib);
+	id = ib_create_cm_id(id_priv->id.device, cma_sidr_rep_handler,
+			     id_priv);
+	if (IS_ERR(id)) {
+		ret = PTR_ERR(id);
 		goto out;
 	}
+	id_priv->cm_id.ib = id;
 
 	req.path = route->path_rec;
 	req.service_id = cma_get_service_id(id_priv->id.ps,
@@ -2530,6 +2535,7 @@ static int cma_connect_ib(struct rdma_id_private *id_priv,
 	struct ib_cm_req_param req;
 	struct rdma_route *route;
 	void *private_data;
+	struct ib_cm_id	*id;
 	int offset, ret;
 
 	memset(&req, 0, sizeof req);
@@ -2543,12 +2549,12 @@ static int cma_connect_ib(struct rdma_id_private *id_priv,
 		memcpy(private_data + offset, conn_param->private_data,
 		       conn_param->private_data_len);
 
-	id_priv->cm_id.ib = ib_create_cm_id(id_priv->id.device, cma_ib_handler,
-					    id_priv);
-	if (IS_ERR(id_priv->cm_id.ib)) {
-		ret = PTR_ERR(id_priv->cm_id.ib);
+	id = ib_create_cm_id(id_priv->id.device, cma_ib_handler, id_priv);
+	if (IS_ERR(id)) {
+		ret = PTR_ERR(id);
 		goto out;
 	}
+	id_priv->cm_id.ib = id;
 
 	route = &id_priv->id.route;
 	ret = cma_format_hdr(private_data, id_priv->id.ps, route);
@@ -2577,8 +2583,8 @@ static int cma_connect_ib(struct rdma_id_private *id_priv,
 
 	ret = ib_send_cm_req(id_priv->cm_id.ib, &req);
 out:
-	if (ret && !IS_ERR(id_priv->cm_id.ib)) {
-		ib_destroy_cm_id(id_priv->cm_id.ib);
+	if (ret && !IS_ERR(id)) {
+		ib_destroy_cm_id(id);
 		id_priv->cm_id.ib = NULL;
 	}
 
@@ -2595,10 +2601,8 @@ static int cma_connect_iw(struct rdma_id_private *id_priv,
 	struct iw_cm_conn_param iw_param;
 
 	cm_id = iw_create_cm_id(id_priv->id.device, cma_iw_handler, id_priv);
-	if (IS_ERR(cm_id)) {
-		ret = PTR_ERR(cm_id);
-		goto out;
-	}
+	if (IS_ERR(cm_id))
+		return PTR_ERR(cm_id);
 
 	id_priv->cm_id.iw = cm_id;
 
@@ -2622,7 +2626,7 @@ static int cma_connect_iw(struct rdma_id_private *id_priv,
 		iw_param.qpn = conn_param->qp_num;
 	ret = iw_cm_connect(cm_id, &iw_param);
 out:
-	if (ret && !IS_ERR(cm_id)) {
+	if (ret) {
 		iw_destroy_cm_id(cm_id);
 		id_priv->cm_id.iw = NULL;
 	}
@@ -2795,7 +2799,7 @@ int rdma_notify(struct rdma_cm_id *id, enum ib_event_type event)
 	int ret;
 
 	id_priv = container_of(id, struct rdma_id_private, id);
-	if (!cma_has_cm_dev(id_priv))
+	if (!id_priv->cm_id.ib)
 		return -EINVAL;
 
 	switch (id->device->node_type) {
@@ -2817,7 +2821,7 @@ int rdma_reject(struct rdma_cm_id *id, const void *private_data,
 	int ret;
 
 	id_priv = container_of(id, struct rdma_id_private, id);
-	if (!cma_has_cm_dev(id_priv))
+	if (!id_priv->cm_id.ib)
 		return -EINVAL;
 
 	switch (rdma_node_get_transport(id->device->node_type)) {
@@ -2848,7 +2852,7 @@ int rdma_disconnect(struct rdma_cm_id *id)
 	int ret;
 
 	id_priv = container_of(id, struct rdma_id_private, id);
-	if (!cma_has_cm_dev(id_priv))
+	if (!id_priv->cm_id.ib)
 		return -EINVAL;
 
 	switch (rdma_node_get_transport(id->device->node_type)) {

drivers/infiniband/core/device.c

@@ -627,6 +627,9 @@ int ib_modify_device(struct ib_device *device,
 		     int device_modify_mask,
 		     struct ib_device_modify *device_modify)
 {
+	if (!device->modify_device)
+		return -ENOSYS;
+
 	return device->modify_device(device, device_modify_mask,
 				     device_modify);
 }
@@ -647,6 +650,9 @@ int ib_modify_port(struct ib_device *device,
 		   u8 port_num, int port_modify_mask,
 		   struct ib_port_modify *port_modify)
 {
+	if (!device->modify_port)
+		return -ENOSYS;
+
 	if (port_num < start_port(device) || port_num > end_port(device))
 		return -EINVAL;
 

drivers/infiniband/hw/amso1100/c2_provider.c

@@ -99,14 +99,6 @@ static int c2_query_port(struct ib_device *ibdev,
 	return 0;
 }
 
-static int c2_modify_port(struct ib_device *ibdev,
-			  u8 port, int port_modify_mask,
-			  struct ib_port_modify *props)
-{
-	pr_debug("%s:%u\n", __func__, __LINE__);
-	return 0;
-}
-
 static int c2_query_pkey(struct ib_device *ibdev,
 			 u8 port, u16 index, u16 * pkey)
 {
@@ -817,7 +809,6 @@ int c2_register_device(struct c2_dev *dev)
 	dev->ibdev.dma_device = &dev->pcidev->dev;
 	dev->ibdev.query_device = c2_query_device;
 	dev->ibdev.query_port = c2_query_port;
-	dev->ibdev.modify_port = c2_modify_port;
 	dev->ibdev.query_pkey = c2_query_pkey;
 	dev->ibdev.query_gid = c2_query_gid;
 	dev->ibdev.alloc_ucontext = c2_alloc_ucontext;

drivers/infiniband/hw/cxgb3/iwch_provider.c

@@ -61,13 +61,6 @@
 #include "iwch_user.h"
 #include "common.h"
 
-static int iwch_modify_port(struct ib_device *ibdev,
-			    u8 port, int port_modify_mask,
-			    struct ib_port_modify *props)
-{
-	return -ENOSYS;
-}
-
 static struct ib_ah *iwch_ah_create(struct ib_pd *pd,
 				    struct ib_ah_attr *ah_attr)
 {
@@ -1392,7 +1385,6 @@ int iwch_register_device(struct iwch_dev *dev)
 	dev->ibdev.dma_device = &(dev->rdev.rnic_info.pdev->dev);
 	dev->ibdev.query_device = iwch_query_device;
 	dev->ibdev.query_port = iwch_query_port;
-	dev->ibdev.modify_port = iwch_modify_port;
 	dev->ibdev.query_pkey = iwch_query_pkey;
 	dev->ibdev.query_gid = iwch_query_gid;
 	dev->ibdev.alloc_ucontext = iwch_alloc_ucontext;

drivers/infiniband/hw/cxgb4/provider.c

@@ -58,13 +58,6 @@ static int fastreg_support = 1;
 module_param(fastreg_support, int, 0644);
 MODULE_PARM_DESC(fastreg_support, "Advertise fastreg support (default=1)");
 
-static int c4iw_modify_port(struct ib_device *ibdev,
-			    u8 port, int port_modify_mask,
-			    struct ib_port_modify *props)
-{
-	return -ENOSYS;
-}
-
 static struct ib_ah *c4iw_ah_create(struct ib_pd *pd,
 				    struct ib_ah_attr *ah_attr)
 {
@@ -456,7 +449,6 @@ int c4iw_register_device(struct c4iw_dev *dev)
 	dev->ibdev.dma_device = &(dev->rdev.lldi.pdev->dev);
 	dev->ibdev.query_device = c4iw_query_device;
 	dev->ibdev.query_port = c4iw_query_port;
-	dev->ibdev.modify_port = c4iw_modify_port;
 	dev->ibdev.query_pkey = c4iw_query_pkey;
 	dev->ibdev.query_gid = c4iw_query_gid;
 	dev->ibdev.alloc_ucontext = c4iw_alloc_ucontext;

drivers/infiniband/hw/cxgb4/resource.c

@@ -37,6 +37,7 @@
 #include <linux/spinlock.h>
 #include <linux/errno.h>
 #include <linux/genalloc.h>
+#include <linux/ratelimit.h>
 #include "iw_cxgb4.h"
 
 #define RANDOM_SIZE 16
@@ -311,8 +312,8 @@ u32 c4iw_pblpool_alloc(struct c4iw_rdev *rdev, int size)
 {
 	unsigned long addr = gen_pool_alloc(rdev->pbl_pool, size);
 	PDBG("%s addr 0x%x size %d\n", __func__, (u32)addr, size);
-	if (!addr && printk_ratelimit())
-		printk(KERN_WARNING MOD "%s: Out of PBL memory\n",
+	if (!addr)
+		printk_ratelimited(KERN_WARNING MOD "%s: Out of PBL memory\n",
 		       pci_name(rdev->lldi.pdev));
 	return (u32)addr;
 }
@@ -373,8 +374,8 @@ u32 c4iw_rqtpool_alloc(struct c4iw_rdev *rdev, int size)
 {
 	unsigned long addr = gen_pool_alloc(rdev->rqt_pool, size << 6);
 	PDBG("%s addr 0x%x size %d\n", __func__, (u32)addr, size << 6);
-	if (!addr && printk_ratelimit())
-		printk(KERN_WARNING MOD "%s: Out of RQT memory\n",
+	if (!addr)
+		printk_ratelimited(KERN_WARNING MOD "%s: Out of RQT memory\n",
 		       pci_name(rdev->lldi.pdev));
 	return (u32)addr;
 }