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:
  IB/mlx4: Make sure RQ allocation is always valid
  RDMA/cma: Fix initialization of next_port
  IB/mlx4: Fix zeroing of rnr_retry value in ib_modify_qp()
  mlx4_core: Don't set MTT address in dMPT entries with PA set
  mlx4_core: Check firmware command interface revision
  IB/mthca, mlx4_core: Fix typo in comment
  mlx4_core: Free catastrophic error MSI-X interrupt with correct dev_id
  mlx4_core: Initialize ctx_list and ctx_lock earlier
  mlx4_core: Fix CQ context layout

6 files changed, 35 insertions, 11 deletions

diff --git a/drivers/net/mlx4/cq.c b/drivers/net/mlx4/cq.c
index 437d78ad091..39253d0c159 100644
--- a/drivers/net/mlx4/cq.c
+++ b/drivers/net/mlx4/cq.c
@@ -61,7 +61,7 @@ struct mlx4_cq_context {
 	__be32			solicit_producer_index;
 	__be32			consumer_index;
 	__be32			producer_index;
-	u8			reserved6[2];
+	u32			reserved6[2];
 	__be64			db_rec_addr;
 };
 
diff --git a/drivers/net/mlx4/eq.c b/drivers/net/mlx4/eq.c
index 0f11adb8eb4..27a82cecd69 100644
--- a/drivers/net/mlx4/eq.c
+++ b/drivers/net/mlx4/eq.c
@@ -490,9 +490,11 @@ static void mlx4_free_irqs(struct mlx4_dev *dev)
 
 	if (eq_table->have_irq)
 		free_irq(dev->pdev->irq, dev);
-	for (i = 0; i < MLX4_NUM_EQ; ++i)
+	for (i = 0; i < MLX4_EQ_CATAS; ++i)
 		if (eq_table->eq[i].have_irq)
 			free_irq(eq_table->eq[i].irq, eq_table->eq + i);
+	if (eq_table->eq[MLX4_EQ_CATAS].have_irq)
+		free_irq(eq_table->eq[MLX4_EQ_CATAS].irq, dev);
 }
 
 static int __devinit mlx4_map_clr_int(struct mlx4_dev *dev)
diff --git a/drivers/net/mlx4/fw.c b/drivers/net/mlx4/fw.c
index cfa5cc07233..e7ca118c8df 100644
--- a/drivers/net/mlx4/fw.c
+++ b/drivers/net/mlx4/fw.c
@@ -37,6 +37,10 @@
 #include "fw.h"
 #include "icm.h"
 
+enum {
+	MLX4_COMMAND_INTERFACE_REV	= 1
+};
+
 extern void __buggy_use_of_MLX4_GET(void);
 extern void __buggy_use_of_MLX4_PUT(void);
 
@@ -452,10 +456,12 @@ int mlx4_QUERY_FW(struct mlx4_dev *dev)
 	u32 *outbox;
 	int err = 0;
 	u64 fw_ver;
+	u16 cmd_if_rev;
 	u8 lg;
 
 #define QUERY_FW_OUT_SIZE             0x100
 #define QUERY_FW_VER_OFFSET            0x00
+#define QUERY_FW_CMD_IF_REV_OFFSET     0x0a
 #define QUERY_FW_MAX_CMD_OFFSET        0x0f
 #define QUERY_FW_ERR_START_OFFSET      0x30
 #define QUERY_FW_ERR_SIZE_OFFSET       0x38
@@ -477,21 +483,36 @@ int mlx4_QUERY_FW(struct mlx4_dev *dev)
 
 	MLX4_GET(fw_ver, outbox, QUERY_FW_VER_OFFSET);
 	/*
-	 * FW subminor version is at more signifant bits than minor
+	 * FW subminor version is at more significant bits than minor
 	 * version, so swap here.
 	 */
 	dev->caps.fw_ver = (fw_ver & 0xffff00000000ull) |
 		((fw_ver & 0xffff0000ull) >> 16) |
 		((fw_ver & 0x0000ffffull) << 16);
 
+	MLX4_GET(cmd_if_rev, outbox, QUERY_FW_CMD_IF_REV_OFFSET);
+	if (cmd_if_rev != MLX4_COMMAND_INTERFACE_REV) {
+		mlx4_err(dev, "Installed FW has unsupported "
+			 "command interface revision %d.\n",
+			 cmd_if_rev);
+		mlx4_err(dev, "(Installed FW version is %d.%d.%03d)\n",
+			 (int) (dev->caps.fw_ver >> 32),
+			 (int) (dev->caps.fw_ver >> 16) & 0xffff,
+			 (int) dev->caps.fw_ver & 0xffff);
+		mlx4_err(dev, "This driver version supports only revision %d.\n",
+			 MLX4_COMMAND_INTERFACE_REV);
+		err = -ENODEV;
+		goto out;
+	}
+
 	MLX4_GET(lg, outbox, QUERY_FW_MAX_CMD_OFFSET);
 	cmd->max_cmds = 1 << lg;
 
-	mlx4_dbg(dev, "FW version %d.%d.%03d, max commands %d\n",
+	mlx4_dbg(dev, "FW version %d.%d.%03d (cmd intf rev %d), max commands %d\n",
 		 (int) (dev->caps.fw_ver >> 32),
 		 (int) (dev->caps.fw_ver >> 16) & 0xffff,
 		 (int) dev->caps.fw_ver & 0xffff,
-		 cmd->max_cmds);
+		 cmd_if_rev, cmd->max_cmds);
 
 	MLX4_GET(fw->catas_offset, outbox, QUERY_FW_ERR_START_OFFSET);
 	MLX4_GET(fw->catas_size,   outbox, QUERY_FW_ERR_SIZE_OFFSET);
diff --git a/drivers/net/mlx4/intf.c b/drivers/net/mlx4/intf.c
index 65854f9e9c7..9ae951bf6aa 100644
--- a/drivers/net/mlx4/intf.c
+++ b/drivers/net/mlx4/intf.c
@@ -135,9 +135,6 @@ int mlx4_register_device(struct mlx4_dev *dev)
 	struct mlx4_priv *priv = mlx4_priv(dev);
 	struct mlx4_interface *intf;
 
-	INIT_LIST_HEAD(&priv->ctx_list);
-	spin_lock_init(&priv->ctx_lock);
-
 	mutex_lock(&intf_mutex);
 
 	list_add_tail(&priv->dev_list, &dev_list);
diff --git a/drivers/net/mlx4/main.c b/drivers/net/mlx4/main.c
index 20b8c0d3ced..d4172937025 100644
--- a/drivers/net/mlx4/main.c
+++ b/drivers/net/mlx4/main.c
@@ -787,6 +787,8 @@ static int __devinit mlx4_init_one(struct pci_dev *pdev,
 
 	dev       = &priv->dev;
 	dev->pdev = pdev;
+	INIT_LIST_HEAD(&priv->ctx_list);
+	spin_lock_init(&priv->ctx_lock);
 
 	/*
 	 * Now reset the HCA before we touch the PCI capabilities or
diff --git a/drivers/net/mlx4/mr.c b/drivers/net/mlx4/mr.c
index b33864dab17..d0808fa3ec8 100644
--- a/drivers/net/mlx4/mr.c
+++ b/drivers/net/mlx4/mr.c
@@ -324,15 +324,17 @@ int mlx4_mr_enable(struct mlx4_dev *dev, struct mlx4_mr *mr)
 				       MLX4_MPT_FLAG_MIO	 |
 				       MLX4_MPT_FLAG_REGION	 |
 				       mr->access);
-	if (mr->mtt.order < 0)
-		mpt_entry->flags |= cpu_to_be32(MLX4_MPT_FLAG_PHYSICAL);
 
 	mpt_entry->key	       = cpu_to_be32(key_to_hw_index(mr->key));
 	mpt_entry->pd	       = cpu_to_be32(mr->pd);
 	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);
-	mpt_entry->mtt_seg     = cpu_to_be64(mlx4_mtt_addr(dev, &mr->mtt));
+	if (mr->mtt.order < 0) {
+		mpt_entry->flags |= cpu_to_be32(MLX4_MPT_FLAG_PHYSICAL);
+		mpt_entry->mtt_seg = 0;
+	} else
+		mpt_entry->mtt_seg = cpu_to_be64(mlx4_mtt_addr(dev, &mr->mtt));
 
 	err = mlx4_SW2HW_MPT(dev, mailbox,
 			     key_to_hw_index(mr->key) & (dev->caps.num_mpts - 1));