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: (48 commits)
  RDMA/iwcm: Reject the connection when the cm_id is destroyed
  RDMA/cxgb3: Clean up properly on FW mismatch failures
  RDMA/cxgb3: Don't ignore insert_handle() failures
  MAINTAINERS: InfiniBand/RDMA mailing list transition to vger
  IB/mad: Allow tuning of QP0 and QP1 sizes
  IB/mad: Fix possible lock-lock-timer deadlock
  RDMA/nes: Map MTU to IB_MTU_* and correctly report link state
  RDMA/nes: Rework the disconn routine for terminate and flushing
  RDMA/nes: Use the flush code to fill in cqe error
  RDMA/nes: Make poll_cq return correct number of wqes during flush
  RDMA/nes: Use flush mechanism to set status for wqe in error
  RDMA/nes: Implement Terminate Packet
  RDMA/nes: Add CQ error handling
  RDMA/nes: Clean out CQ completions when QP is destroyed
  RDMA/nes: Change memory allocation for cqp request to GFP_ATOMIC
  RDMA/nes: Allocate work item for disconnect event handling
  RDMA/nes: Update refcnt during disconnect
  IB/mthca: Don't allow userspace open while recovering from catastrophic error
  IB/mthca: Distinguish multiple devices in /proc/interrupts
  IB/mthca: Annotate CQ locking
  ...

15 files changed, 54 insertions, 99 deletions

diff --git a/drivers/net/cxgb3/cxgb3_main.c b/drivers/net/cxgb3/cxgb3_main.c
index fb5df5c6203..c97ab82ec74 100644
--- a/drivers/net/cxgb3/cxgb3_main.c
+++ b/drivers/net/cxgb3/cxgb3_main.c
@@ -1286,6 +1286,7 @@ static int cxgb_open(struct net_device *dev)
 	if (!other_ports)
 		schedule_chk_task(adapter);
 
+	cxgb3_event_notify(&adapter->tdev, OFFLOAD_PORT_UP, pi->port_id);
 	return 0;
 }
 
@@ -1318,6 +1319,7 @@ static int cxgb_close(struct net_device *dev)
 	if (!adapter->open_device_map)
 		cxgb_down(adapter);
 
+	cxgb3_event_notify(&adapter->tdev, OFFLOAD_PORT_DOWN, pi->port_id);
 	return 0;
 }
 
@@ -2717,7 +2719,7 @@ static int t3_adapter_error(struct adapter *adapter, int reset)
 
 	if (is_offload(adapter) &&
 	    test_bit(OFFLOAD_DEVMAP_BIT, &adapter->open_device_map)) {
-		cxgb3_err_notify(&adapter->tdev, OFFLOAD_STATUS_DOWN, 0);
+		cxgb3_event_notify(&adapter->tdev, OFFLOAD_STATUS_DOWN, 0);
 		offload_close(&adapter->tdev);
 	}
 
@@ -2782,7 +2784,7 @@ static void t3_resume_ports(struct adapter *adapter)
 	}
 
 	if (is_offload(adapter) && !ofld_disable)
-		cxgb3_err_notify(&adapter->tdev, OFFLOAD_STATUS_UP, 0);
+		cxgb3_event_notify(&adapter->tdev, OFFLOAD_STATUS_UP, 0);
 }
 
 /*
diff --git a/drivers/net/cxgb3/cxgb3_offload.c b/drivers/net/cxgb3/cxgb3_offload.c
index f9f54b57b28..75064eea1d8 100644
--- a/drivers/net/cxgb3/cxgb3_offload.c
+++ b/drivers/net/cxgb3/cxgb3_offload.c
@@ -153,14 +153,14 @@ void cxgb3_remove_clients(struct t3cdev *tdev)
 	mutex_unlock(&cxgb3_db_lock);
 }
 
-void cxgb3_err_notify(struct t3cdev *tdev, u32 status, u32 error)
+void cxgb3_event_notify(struct t3cdev *tdev, u32 event, u32 port)
 {
 	struct cxgb3_client *client;
 
 	mutex_lock(&cxgb3_db_lock);
 	list_for_each_entry(client, &client_list, client_list) {
-		if (client->err_handler)
-			client->err_handler(tdev, status, error);
+		if (client->event_handler)
+			client->event_handler(tdev, event, port);
 	}
 	mutex_unlock(&cxgb3_db_lock);
 }
diff --git a/drivers/net/cxgb3/cxgb3_offload.h b/drivers/net/cxgb3/cxgb3_offload.h
index 55945f422ae..670aa62042d 100644
--- a/drivers/net/cxgb3/cxgb3_offload.h
+++ b/drivers/net/cxgb3/cxgb3_offload.h
@@ -64,14 +64,16 @@ void cxgb3_register_client(struct cxgb3_client *client);
 void cxgb3_unregister_client(struct cxgb3_client *client);
 void cxgb3_add_clients(struct t3cdev *tdev);
 void cxgb3_remove_clients(struct t3cdev *tdev);
-void cxgb3_err_notify(struct t3cdev *tdev, u32 status, u32 error);
+void cxgb3_event_notify(struct t3cdev *tdev, u32 event, u32 port);
 
 typedef int (*cxgb3_cpl_handler_func)(struct t3cdev *dev,
 				      struct sk_buff *skb, void *ctx);
 
 enum {
 	OFFLOAD_STATUS_UP,
-	OFFLOAD_STATUS_DOWN
+	OFFLOAD_STATUS_DOWN,
+	OFFLOAD_PORT_DOWN,
+	OFFLOAD_PORT_UP
 };
 
 struct cxgb3_client {
@@ -82,7 +84,7 @@ struct cxgb3_client {
 	int (*redirect)(void *ctx, struct dst_entry *old,
 			struct dst_entry *new, struct l2t_entry *l2t);
 	struct list_head client_list;
-	void (*err_handler)(struct t3cdev *tdev, u32 status, u32 error);
+	void (*event_handler)(struct t3cdev *tdev, u32 event, u32 port);
 };
 
 /*
diff --git a/drivers/net/mlx4/cq.c b/drivers/net/mlx4/cq.c
index ac57b6a42c6..ccfe276943f 100644
--- a/drivers/net/mlx4/cq.c
+++ b/drivers/net/mlx4/cq.c
@@ -34,7 +34,6 @@
  * SOFTWARE.
  */
 
-#include <linux/init.h>
 #include <linux/hardirq.h>
 
 #include <linux/mlx4/cmd.h>
diff --git a/drivers/net/mlx4/eq.c b/drivers/net/mlx4/eq.c
index b9ceddde46c..bffb7995cb7 100644
--- a/drivers/net/mlx4/eq.c
+++ b/drivers/net/mlx4/eq.c
@@ -31,7 +31,6 @@
  * SOFTWARE.
  */
 
-#include <linux/init.h>
 #include <linux/interrupt.h>
 #include <linux/mm.h>
 #include <linux/dma-mapping.h>
@@ -42,6 +41,10 @@
 #include "fw.h"
 
 enum {
+	MLX4_IRQNAME_SIZE	= 64
+};
+
+enum {
 	MLX4_NUM_ASYNC_EQE	= 0x100,
 	MLX4_NUM_SPARE_EQE	= 0x80,
 	MLX4_EQ_ENTRY_SIZE	= 0x20
@@ -526,48 +529,6 @@ static void mlx4_unmap_clr_int(struct mlx4_dev *dev)
 	iounmap(priv->clr_base);
 }
 
-int mlx4_map_eq_icm(struct mlx4_dev *dev, u64 icm_virt)
-{
-	struct mlx4_priv *priv = mlx4_priv(dev);
-	int ret;
-
-	/*
-	 * We assume that mapping one page is enough for the whole EQ
-	 * context table.  This is fine with all current HCAs, because
-	 * we only use 32 EQs and each EQ uses 64 bytes of context
-	 * memory, or 1 KB total.
-	 */
-	priv->eq_table.icm_virt = icm_virt;
-	priv->eq_table.icm_page = alloc_page(GFP_HIGHUSER);
-	if (!priv->eq_table.icm_page)
-		return -ENOMEM;
-	priv->eq_table.icm_dma  = pci_map_page(dev->pdev, priv->eq_table.icm_page, 0,
-					       PAGE_SIZE, PCI_DMA_BIDIRECTIONAL);
-	if (pci_dma_mapping_error(dev->pdev, priv->eq_table.icm_dma)) {
-		__free_page(priv->eq_table.icm_page);
-		return -ENOMEM;
-	}
-
-	ret = mlx4_MAP_ICM_page(dev, priv->eq_table.icm_dma, icm_virt);
-	if (ret) {
-		pci_unmap_page(dev->pdev, priv->eq_table.icm_dma, PAGE_SIZE,
-			       PCI_DMA_BIDIRECTIONAL);
-		__free_page(priv->eq_table.icm_page);
-	}
-
-	return ret;
-}
-
-void mlx4_unmap_eq_icm(struct mlx4_dev *dev)
-{
-	struct mlx4_priv *priv = mlx4_priv(dev);
-
-	mlx4_UNMAP_ICM(dev, priv->eq_table.icm_virt, 1);
-	pci_unmap_page(dev->pdev, priv->eq_table.icm_dma, PAGE_SIZE,
-		       PCI_DMA_BIDIRECTIONAL);
-	__free_page(priv->eq_table.icm_page);
-}
-
 int mlx4_alloc_eq_table(struct mlx4_dev *dev)
 {
 	struct mlx4_priv *priv = mlx4_priv(dev);
@@ -615,7 +576,9 @@ int mlx4_init_eq_table(struct mlx4_dev *dev)
 	priv->eq_table.clr_int  = priv->clr_base +
 		(priv->eq_table.inta_pin < 32 ? 4 : 0);
 
-	priv->eq_table.irq_names = kmalloc(16 * dev->caps.num_comp_vectors, GFP_KERNEL);
+	priv->eq_table.irq_names =
+		kmalloc(MLX4_IRQNAME_SIZE * (dev->caps.num_comp_vectors + 1),
+			GFP_KERNEL);
 	if (!priv->eq_table.irq_names) {
 		err = -ENOMEM;
 		goto err_out_bitmap;
@@ -638,17 +601,25 @@ int mlx4_init_eq_table(struct mlx4_dev *dev)
 		goto err_out_comp;
 
 	if (dev->flags & MLX4_FLAG_MSI_X) {
-		static const char async_eq_name[] = "mlx4-async";
 		const char *eq_name;
 
 		for (i = 0; i < dev->caps.num_comp_vectors + 1; ++i) {
 			if (i < dev->caps.num_comp_vectors) {
-				snprintf(priv->eq_table.irq_names + i * 16, 16,
-					 "mlx4-comp-%d", i);
-				eq_name = priv->eq_table.irq_names + i * 16;
-			} else
-				eq_name = async_eq_name;
+				snprintf(priv->eq_table.irq_names +
+					 i * MLX4_IRQNAME_SIZE,
+					 MLX4_IRQNAME_SIZE,
+					 "mlx4-comp-%d@pci:%s", i,
+					 pci_name(dev->pdev));
+			} else {
+				snprintf(priv->eq_table.irq_names +
+					 i * MLX4_IRQNAME_SIZE,
+					 MLX4_IRQNAME_SIZE,
+					 "mlx4-async@pci:%s",
+					 pci_name(dev->pdev));
+			}
 
+			eq_name = priv->eq_table.irq_names +
+				  i * MLX4_IRQNAME_SIZE;
 			err = request_irq(priv->eq_table.eq[i].irq,
 					  mlx4_msi_x_interrupt, 0, eq_name,
 					  priv->eq_table.eq + i);
@@ -658,8 +629,12 @@ int mlx4_init_eq_table(struct mlx4_dev *dev)
 			priv->eq_table.eq[i].have_irq = 1;
 		}
 	} else {
+		snprintf(priv->eq_table.irq_names,
+			 MLX4_IRQNAME_SIZE,
+			 DRV_NAME "@pci:%s",
+			 pci_name(dev->pdev));
 		err = request_irq(dev->pdev->irq, mlx4_interrupt,
-				  IRQF_SHARED, DRV_NAME, dev);
+				  IRQF_SHARED, priv->eq_table.irq_names, dev);
 		if (err)
 			goto err_out_async;
 
diff --git a/drivers/net/mlx4/icm.c b/drivers/net/mlx4/icm.c
index baf4bf66062..04b382fcb8c 100644
--- a/drivers/net/mlx4/icm.c
+++ b/drivers/net/mlx4/icm.c
@@ -31,7 +31,6 @@
  * SOFTWARE.
  */
 
-#include <linux/init.h>
 #include <linux/errno.h>
 #include <linux/mm.h>
 #include <linux/scatterlist.h>
diff --git a/drivers/net/mlx4/main.c b/drivers/net/mlx4/main.c
index dac621b1e9f..3dd481e77f9 100644
--- a/drivers/net/mlx4/main.c
+++ b/drivers/net/mlx4/main.c
@@ -525,7 +525,10 @@ static int mlx4_init_icm(struct mlx4_dev *dev, struct mlx4_dev_cap *dev_cap,
 		goto err_unmap_aux;
 	}
 
-	err = mlx4_map_eq_icm(dev, init_hca->eqc_base);
+	err = mlx4_init_icm_table(dev, &priv->eq_table.table,
+				  init_hca->eqc_base, dev_cap->eqc_entry_sz,
+				  dev->caps.num_eqs, dev->caps.num_eqs,
+				  0, 0);
 	if (err) {
 		mlx4_err(dev, "Failed to map EQ context memory, aborting.\n");
 		goto err_unmap_cmpt;
@@ -668,7 +671,7 @@ err_unmap_mtt:
 	mlx4_cleanup_icm_table(dev, &priv->mr_table.mtt_table);
 
 err_unmap_eq:
-	mlx4_unmap_eq_icm(dev);
+	mlx4_cleanup_icm_table(dev, &priv->eq_table.table);
 
 err_unmap_cmpt:
 	mlx4_cleanup_icm_table(dev, &priv->eq_table.cmpt_table);
@@ -698,11 +701,11 @@ static void mlx4_free_icms(struct mlx4_dev *dev)
 	mlx4_cleanup_icm_table(dev, &priv->qp_table.qp_table);
 	mlx4_cleanup_icm_table(dev, &priv->mr_table.dmpt_table);
 	mlx4_cleanup_icm_table(dev, &priv->mr_table.mtt_table);
+	mlx4_cleanup_icm_table(dev, &priv->eq_table.table);
 	mlx4_cleanup_icm_table(dev, &priv->eq_table.cmpt_table);
 	mlx4_cleanup_icm_table(dev, &priv->cq_table.cmpt_table);
 	mlx4_cleanup_icm_table(dev, &priv->srq_table.cmpt_table);
 	mlx4_cleanup_icm_table(dev, &priv->qp_table.cmpt_table);
-	mlx4_unmap_eq_icm(dev);
 
 	mlx4_UNMAP_ICM_AUX(dev);
 	mlx4_free_icm(dev, priv->fw.aux_icm, 0);
@@ -786,7 +789,7 @@ static int mlx4_init_hca(struct mlx4_dev *dev)
 	return 0;
 
 err_close:
-	mlx4_close_hca(dev);
+	mlx4_CLOSE_HCA(dev, 0);
 
 err_free_icm:
 	mlx4_free_icms(dev);
@@ -1070,18 +1073,12 @@ static int __mlx4_init_one(struct pci_dev *pdev, const struct pci_device_id *id)
 		goto err_disable_pdev;
 	}
 
-	err = pci_request_region(pdev, 0, DRV_NAME);
+	err = pci_request_regions(pdev, DRV_NAME);
 	if (err) {
-		dev_err(&pdev->dev, "Cannot request control region, aborting.\n");
+		dev_err(&pdev->dev, "Couldn't get PCI resources, aborting\n");
 		goto err_disable_pdev;
 	}
 
-	err = pci_request_region(pdev, 2, DRV_NAME);
-	if (err) {
-		dev_err(&pdev->dev, "Cannot request UAR region, aborting.\n");
-		goto err_release_bar0;
-	}
-
 	pci_set_master(pdev);
 
 	err = pci_set_dma_mask(pdev, DMA_BIT_MASK(64));
@@ -1090,7 +1087,7 @@ static int __mlx4_init_one(struct pci_dev *pdev, const struct pci_device_id *id)
 		err = pci_set_dma_mask(pdev, DMA_BIT_MASK(32));
 		if (err) {
 			dev_err(&pdev->dev, "Can't set PCI DMA mask, aborting.\n");
-			goto err_release_bar2;
+			goto err_release_regions;
 		}
 	}
 	err = pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(64));
@@ -1101,7 +1098,7 @@ static int __mlx4_init_one(struct pci_dev *pdev, const struct pci_device_id *id)
 		if (err) {
 			dev_err(&pdev->dev, "Can't set consistent PCI DMA mask, "
 				"aborting.\n");
-			goto err_release_bar2;
+			goto err_release_regions;
 		}
 	}
 
@@ -1110,7 +1107,7 @@ static int __mlx4_init_one(struct pci_dev *pdev, const struct pci_device_id *id)
 		dev_err(&pdev->dev, "Device struct alloc failed, "
 			"aborting.\n");
 		err = -ENOMEM;
-		goto err_release_bar2;
+		goto err_release_regions;
 	}
 
 	dev       = &priv->dev;
@@ -1205,11 +1202,8 @@ err_cmd:
 err_free_dev:
 	kfree(priv);
 
-err_release_bar2:
-	pci_release_region(pdev, 2);
-
-err_release_bar0:
-	pci_release_region(pdev, 0);
+err_release_regions:
+	pci_release_regions(pdev);
 
 err_disable_pdev:
 	pci_disable_device(pdev);
@@ -1265,8 +1259,7 @@ static void mlx4_remove_one(struct pci_dev *pdev)
 			pci_disable_msix(pdev);
 
 		kfree(priv);
-		pci_release_region(pdev, 2);
-		pci_release_region(pdev, 0);
+		pci_release_regions(pdev);
 		pci_disable_device(pdev);
 		pci_set_drvdata(pdev, NULL);
 	}
diff --git a/drivers/net/mlx4/mcg.c b/drivers/net/mlx4/mcg.c
index 6053c357a47..5ccbce9866f 100644
--- a/drivers/net/mlx4/mcg.c
+++ b/drivers/net/mlx4/mcg.c
@@ -31,7 +31,6 @@
  * SOFTWARE.
  */
 
-#include <linux/init.h>
 #include <linux/string.h>
 #include <linux/slab.h>
 
diff --git a/drivers/net/mlx4/mlx4.h b/drivers/net/mlx4/mlx4.h
index 5bd79c2b184..bc72d6e4919 100644
--- a/drivers/net/mlx4/mlx4.h
+++ b/drivers/net/mlx4/mlx4.h
@@ -205,9 +205,7 @@ struct mlx4_eq_table {
 	void __iomem	      **uar_map;
 	u32			clr_mask;
 	struct mlx4_eq	       *eq;
-	u64			icm_virt;
-	struct page	       *icm_page;
-	dma_addr_t		icm_dma;
+	struct mlx4_icm_table	table;
 	struct mlx4_icm_table	cmpt_table;
 	int			have_irq;
 	u8			inta_pin;
@@ -373,9 +371,6 @@ u64 mlx4_make_profile(struct mlx4_dev *dev,
 		      struct mlx4_dev_cap *dev_cap,
 		      struct mlx4_init_hca_param *init_hca);
 
-int mlx4_map_eq_icm(struct mlx4_dev *dev, u64 icm_virt);
-void mlx4_unmap_eq_icm(struct mlx4_dev *dev);
-
 int mlx4_cmd_init(struct mlx4_dev *dev);
 void mlx4_cmd_cleanup(struct mlx4_dev *dev);
 void mlx4_cmd_event(struct mlx4_dev *dev, u16 token, u8 status, u64 out_param);
diff --git a/drivers/net/mlx4/mr.c b/drivers/net/mlx4/mr.c
index f96948be0a4..ca7ab8e7b4c 100644
--- a/drivers/net/mlx4/mr.c
+++ b/drivers/net/mlx4/mr.c
@@ -32,7 +32,6 @@
  * SOFTWARE.
  */
 
-#include <linux/init.h>
 #include <linux/errno.h>
 
 #include <linux/mlx4/cmd.h>
diff --git a/drivers/net/mlx4/pd.c b/drivers/net/mlx4/pd.c
index 26d1a7a9e37..c4988d6bd5b 100644
--- a/drivers/net/mlx4/pd.c
+++ b/drivers/net/mlx4/pd.c
@@ -31,7 +31,6 @@
  * SOFTWARE.
  */
 
-#include <linux/init.h>
 #include <linux/errno.h>
 
 #include <asm/page.h>
diff --git a/drivers/net/mlx4/profile.c b/drivers/net/mlx4/profile.c
index bd22df95adf..ca25b9dc837 100644
--- a/drivers/net/mlx4/profile.c
+++ b/drivers/net/mlx4/profile.c
@@ -32,8 +32,6 @@
  * SOFTWARE.
  */
 
-#include <linux/init.h>
-
 #include "mlx4.h"
 #include "fw.h"
 
diff --git a/drivers/net/mlx4/qp.c b/drivers/net/mlx4/qp.c
index 1c565ef8d17..42ab9fc01d3 100644
--- a/drivers/net/mlx4/qp.c
+++ b/drivers/net/mlx4/qp.c
@@ -33,8 +33,6 @@
  * SOFTWARE.
  */
 
-#include <linux/init.h>
-
 #include <linux/mlx4/cmd.h>
 #include <linux/mlx4/qp.h>
 
diff --git a/drivers/net/mlx4/reset.c b/drivers/net/mlx4/reset.c
index 3951b884c0f..e5741dab382 100644
--- a/drivers/net/mlx4/reset.c
+++ b/drivers/net/mlx4/reset.c
@@ -31,7 +31,6 @@
  * SOFTWARE.
  */
 
-#include <linux/init.h>
 #include <linux/errno.h>
 #include <linux/pci.h>
 #include <linux/delay.h>
diff --git a/drivers/net/mlx4/srq.c b/drivers/net/mlx4/srq.c
index fe9f218691f..1377d0dc8f1 100644
--- a/drivers/net/mlx4/srq.c
+++ b/drivers/net/mlx4/srq.c
@@ -31,8 +31,6 @@
  * SOFTWARE.
  */
 
-#include <linux/init.h>
-
 #include <linux/mlx4/cmd.h>
 
 #include "mlx4.h"