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
  ...

5 files changed, 203 insertions, 27 deletions

diff --git a/include/linux/mlx4/cmd.h b/include/linux/mlx4/cmd.h
index 9a18667c13c..b56e4587208 100644
--- a/include/linux/mlx4/cmd.h
+++ b/include/linux/mlx4/cmd.h
@@ -123,6 +123,9 @@ enum {
 	/* debug commands */
 	MLX4_CMD_QUERY_DEBUG_MSG = 0x2a,
 	MLX4_CMD_SET_DEBUG_MSG	 = 0x2b,
+
+	/* statistics commands */
+	MLX4_CMD_QUERY_IF_STAT	 = 0X54,
 };
 
 enum {
diff --git a/include/linux/mlx4/device.h b/include/linux/mlx4/device.h
index 8985768e2c0..387329e0230 100644
--- a/include/linux/mlx4/device.h
+++ b/include/linux/mlx4/device.h
@@ -58,22 +58,28 @@ enum {
 };
 
 enum {
-	MLX4_DEV_CAP_FLAG_RC		= 1 <<  0,
-	MLX4_DEV_CAP_FLAG_UC		= 1 <<  1,
-	MLX4_DEV_CAP_FLAG_UD		= 1 <<  2,
-	MLX4_DEV_CAP_FLAG_SRQ		= 1 <<  6,
-	MLX4_DEV_CAP_FLAG_IPOIB_CSUM	= 1 <<  7,
-	MLX4_DEV_CAP_FLAG_BAD_PKEY_CNTR	= 1 <<  8,
-	MLX4_DEV_CAP_FLAG_BAD_QKEY_CNTR	= 1 <<  9,
-	MLX4_DEV_CAP_FLAG_DPDP		= 1 << 12,
-	MLX4_DEV_CAP_FLAG_BLH		= 1 << 15,
-	MLX4_DEV_CAP_FLAG_MEM_WINDOW	= 1 << 16,
-	MLX4_DEV_CAP_FLAG_APM		= 1 << 17,
-	MLX4_DEV_CAP_FLAG_ATOMIC	= 1 << 18,
-	MLX4_DEV_CAP_FLAG_RAW_MCAST	= 1 << 19,
-	MLX4_DEV_CAP_FLAG_UD_AV_PORT	= 1 << 20,
-	MLX4_DEV_CAP_FLAG_UD_MCAST	= 1 << 21,
-	MLX4_DEV_CAP_FLAG_IBOE		= 1 << 30
+	MLX4_DEV_CAP_FLAG_RC		= 1LL <<  0,
+	MLX4_DEV_CAP_FLAG_UC		= 1LL <<  1,
+	MLX4_DEV_CAP_FLAG_UD		= 1LL <<  2,
+	MLX4_DEV_CAP_FLAG_SRQ		= 1LL <<  6,
+	MLX4_DEV_CAP_FLAG_IPOIB_CSUM	= 1LL <<  7,
+	MLX4_DEV_CAP_FLAG_BAD_PKEY_CNTR	= 1LL <<  8,
+	MLX4_DEV_CAP_FLAG_BAD_QKEY_CNTR	= 1LL <<  9,
+	MLX4_DEV_CAP_FLAG_DPDP		= 1LL << 12,
+	MLX4_DEV_CAP_FLAG_BLH		= 1LL << 15,
+	MLX4_DEV_CAP_FLAG_MEM_WINDOW	= 1LL << 16,
+	MLX4_DEV_CAP_FLAG_APM		= 1LL << 17,
+	MLX4_DEV_CAP_FLAG_ATOMIC	= 1LL << 18,
+	MLX4_DEV_CAP_FLAG_RAW_MCAST	= 1LL << 19,
+	MLX4_DEV_CAP_FLAG_UD_AV_PORT	= 1LL << 20,
+	MLX4_DEV_CAP_FLAG_UD_MCAST	= 1LL << 21,
+	MLX4_DEV_CAP_FLAG_IBOE		= 1LL << 30,
+	MLX4_DEV_CAP_FLAG_UC_LOOPBACK	= 1LL << 32,
+	MLX4_DEV_CAP_FLAG_WOL		= 1LL << 38,
+	MLX4_DEV_CAP_FLAG_UDP_RSS	= 1LL << 40,
+	MLX4_DEV_CAP_FLAG_VEP_UC_STEER	= 1LL << 41,
+	MLX4_DEV_CAP_FLAG_VEP_MC_STEER	= 1LL << 42,
+	MLX4_DEV_CAP_FLAG_COUNTERS	= 1LL << 48
 };
 
 enum {
@@ -253,15 +259,10 @@ struct mlx4_caps {
 	int			mtt_entry_sz;
 	u32			max_msg_sz;
 	u32			page_size_cap;
-	u32			flags;
+	u64			flags;
 	u32			bmme_flags;
 	u32			reserved_lkey;
 	u16			stat_rate_support;
-	int			udp_rss;
-	int			loopback_support;
-	int			vep_uc_steering;
-	int			vep_mc_steering;
-	int			wol;
 	u8			port_width_cap[MLX4_MAX_PORTS + 1];
 	int			max_gso_sz;
 	int                     reserved_qps_cnt[MLX4_NUM_QP_REGION];
@@ -274,6 +275,7 @@ struct mlx4_caps {
 	u8			supported_type[MLX4_MAX_PORTS + 1];
 	u32			port_mask;
 	enum mlx4_port_type	possible_type[MLX4_MAX_PORTS + 1];
+	u32			max_counters;
 };
 
 struct mlx4_buf_list {
@@ -438,6 +440,17 @@ union mlx4_ext_av {
 	struct mlx4_eth_av	eth;
 };
 
+struct mlx4_counter {
+	u8	reserved1[3];
+	u8	counter_mode;
+	__be32	num_ifc;
+	u32	reserved2[2];
+	__be64	rx_frames;
+	__be64	rx_bytes;
+	__be64	tx_frames;
+	__be64	tx_bytes;
+};
+
 struct mlx4_dev {
 	struct pci_dev	       *pdev;
 	unsigned long		flags;
@@ -568,4 +581,7 @@ void mlx4_release_eq(struct mlx4_dev *dev, int vec);
 int mlx4_wol_read(struct mlx4_dev *dev, u64 *config, int port);
 int mlx4_wol_write(struct mlx4_dev *dev, u64 config, int port);
 
+int mlx4_counter_alloc(struct mlx4_dev *dev, u32 *idx);
+void mlx4_counter_free(struct mlx4_dev *dev, u32 idx);
+
 #endif /* MLX4_DEVICE_H */
diff --git a/include/linux/mlx4/qp.h b/include/linux/mlx4/qp.h
index 9e9eb21056c..4001c8249db 100644
--- a/include/linux/mlx4/qp.h
+++ b/include/linux/mlx4/qp.h
@@ -54,7 +54,8 @@ enum mlx4_qp_optpar {
 	MLX4_QP_OPTPAR_RETRY_COUNT		= 1 << 12,
 	MLX4_QP_OPTPAR_RNR_RETRY		= 1 << 13,
 	MLX4_QP_OPTPAR_ACK_TIMEOUT		= 1 << 14,
-	MLX4_QP_OPTPAR_SCHED_QUEUE		= 1 << 16
+	MLX4_QP_OPTPAR_SCHED_QUEUE		= 1 << 16,
+	MLX4_QP_OPTPAR_COUNTER_INDEX		= 1 << 20
 };
 
 enum mlx4_qp_state {
@@ -99,7 +100,7 @@ struct mlx4_qp_path {
 	u8			fl;
 	u8			reserved1[2];
 	u8			pkey_index;
-	u8			reserved2;
+	u8			counter_index;
 	u8			grh_mylmc;
 	__be16			rlid;
 	u8			ackto;
@@ -111,8 +112,7 @@ struct mlx4_qp_path {
 	u8			sched_queue;
 	u8			vlan_index;
 	u8			reserved3[2];
-	u8			counter_index;
-	u8			reserved4;
+	u8			reserved4[2];
 	u8			dmac[6];
 };
 
diff --git a/include/rdma/ib_pma.h b/include/rdma/ib_pma.h
new file mode 100644
index 00000000000..a5889f18807
--- /dev/null
+++ b/include/rdma/ib_pma.h
@@ -0,0 +1,156 @@
+/*
+ * Copyright (c) 2006, 2007, 2008, 2009, 2010 QLogic Corporation.
+ * All rights reserved.
+ * Copyright (c) 2005, 2006 PathScale, Inc. All rights reserved.
+ *
+ * This software is available to you under a choice of one of two
+ * licenses.  You may choose to be licensed under the terms of the GNU
+ * General Public License (GPL) Version 2, available from the file
+ * COPYING in the main directory of this source tree, or the
+ * OpenIB.org BSD license below:
+ *
+ *     Redistribution and use in source and binary forms, with or
+ *     without modification, are permitted provided that the following
+ *     conditions are met:
+ *
+ *      - Redistributions of source code must retain the above
+ *        copyright notice, this list of conditions and the following
+ *        disclaimer.
+ *
+ *      - Redistributions in binary form must reproduce the above
+ *        copyright notice, this list of conditions and the following
+ *        disclaimer in the documentation and/or other materials
+ *        provided with the distribution.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
+ * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
+ * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+#if !defined(IB_PMA_H)
+#define IB_PMA_H
+
+#include <rdma/ib_mad.h>
+
+/*
+ * PMA class portinfo capability mask bits
+ */
+#define IB_PMA_CLASS_CAP_ALLPORTSELECT  cpu_to_be16(1 << 8)
+#define IB_PMA_CLASS_CAP_EXT_WIDTH      cpu_to_be16(1 << 9)
+#define IB_PMA_CLASS_CAP_XMIT_WAIT      cpu_to_be16(1 << 12)
+
+#define IB_PMA_CLASS_PORT_INFO          cpu_to_be16(0x0001)
+#define IB_PMA_PORT_SAMPLES_CONTROL     cpu_to_be16(0x0010)
+#define IB_PMA_PORT_SAMPLES_RESULT      cpu_to_be16(0x0011)
+#define IB_PMA_PORT_COUNTERS            cpu_to_be16(0x0012)
+#define IB_PMA_PORT_COUNTERS_EXT        cpu_to_be16(0x001D)
+#define IB_PMA_PORT_SAMPLES_RESULT_EXT  cpu_to_be16(0x001E)
+
+struct ib_pma_mad {
+	struct ib_mad_hdr mad_hdr;
+	u8 reserved[40];
+	u8 data[192];
+} __packed;
+
+struct ib_pma_portsamplescontrol {
+	u8 opcode;
+	u8 port_select;
+	u8 tick;
+	u8 counter_width;		/* resv: 7:3, counter width: 2:0 */
+	__be32 counter_mask0_9;		/* 2, 10 3-bit fields */
+	__be16 counter_mask10_14;	/* 1, 5 3-bit fields */
+	u8 sample_mechanisms;
+	u8 sample_status;		/* only lower 2 bits */
+	__be64 option_mask;
+	__be64 vendor_mask;
+	__be32 sample_start;
+	__be32 sample_interval;
+	__be16 tag;
+	__be16 counter_select[15];
+	__be32 reserved1;
+	__be64 samples_only_option_mask;
+	__be32 reserved2[28];
+};
+
+struct ib_pma_portsamplesresult {
+	__be16 tag;
+	__be16 sample_status;   /* only lower 2 bits */
+	__be32 counter[15];
+};
+
+struct ib_pma_portsamplesresult_ext {
+	__be16 tag;
+	__be16 sample_status;   /* only lower 2 bits */
+	__be32 extended_width;  /* only upper 2 bits */
+	__be64 counter[15];
+};
+
+struct ib_pma_portcounters {
+	u8 reserved;
+	u8 port_select;
+	__be16 counter_select;
+	__be16 symbol_error_counter;
+	u8 link_error_recovery_counter;
+	u8 link_downed_counter;
+	__be16 port_rcv_errors;
+	__be16 port_rcv_remphys_errors;
+	__be16 port_rcv_switch_relay_errors;
+	__be16 port_xmit_discards;
+	u8 port_xmit_constraint_errors;
+	u8 port_rcv_constraint_errors;
+	u8 reserved1;
+	u8 link_overrun_errors; /* LocalLink: 7:4, BufferOverrun: 3:0 */
+	__be16 reserved2;
+	__be16 vl15_dropped;
+	__be32 port_xmit_data;
+	__be32 port_rcv_data;
+	__be32 port_xmit_packets;
+	__be32 port_rcv_packets;
+	__be32 port_xmit_wait;
+} __packed;
+
+
+#define IB_PMA_SEL_SYMBOL_ERROR                 cpu_to_be16(0x0001)
+#define IB_PMA_SEL_LINK_ERROR_RECOVERY          cpu_to_be16(0x0002)
+#define IB_PMA_SEL_LINK_DOWNED                  cpu_to_be16(0x0004)
+#define IB_PMA_SEL_PORT_RCV_ERRORS              cpu_to_be16(0x0008)
+#define IB_PMA_SEL_PORT_RCV_REMPHYS_ERRORS      cpu_to_be16(0x0010)
+#define IB_PMA_SEL_PORT_XMIT_DISCARDS           cpu_to_be16(0x0040)
+#define IB_PMA_SEL_LOCAL_LINK_INTEGRITY_ERRORS  cpu_to_be16(0x0200)
+#define IB_PMA_SEL_EXCESSIVE_BUFFER_OVERRUNS    cpu_to_be16(0x0400)
+#define IB_PMA_SEL_PORT_VL15_DROPPED            cpu_to_be16(0x0800)
+#define IB_PMA_SEL_PORT_XMIT_DATA               cpu_to_be16(0x1000)
+#define IB_PMA_SEL_PORT_RCV_DATA                cpu_to_be16(0x2000)
+#define IB_PMA_SEL_PORT_XMIT_PACKETS            cpu_to_be16(0x4000)
+#define IB_PMA_SEL_PORT_RCV_PACKETS             cpu_to_be16(0x8000)
+
+struct ib_pma_portcounters_ext {
+	u8 reserved;
+	u8 port_select;
+	__be16 counter_select;
+	__be32 reserved1;
+	__be64 port_xmit_data;
+	__be64 port_rcv_data;
+	__be64 port_xmit_packets;
+	__be64 port_rcv_packets;
+	__be64 port_unicast_xmit_packets;
+	__be64 port_unicast_rcv_packets;
+	__be64 port_multicast_xmit_packets;
+	__be64 port_multicast_rcv_packets;
+} __packed;
+
+#define IB_PMA_SELX_PORT_XMIT_DATA              cpu_to_be16(0x0001)
+#define IB_PMA_SELX_PORT_RCV_DATA               cpu_to_be16(0x0002)
+#define IB_PMA_SELX_PORT_XMIT_PACKETS           cpu_to_be16(0x0004)
+#define IB_PMA_SELX_PORT_RCV_PACKETS            cpu_to_be16(0x0008)
+#define IB_PMA_SELX_PORT_UNI_XMIT_PACKETS       cpu_to_be16(0x0010)
+#define IB_PMA_SELX_PORT_UNI_RCV_PACKETS        cpu_to_be16(0x0020)
+#define IB_PMA_SELX_PORT_MULTI_XMIT_PACKETS     cpu_to_be16(0x0040)
+#define IB_PMA_SELX_PORT_MULTI_RCV_PACKETS      cpu_to_be16(0x0080)
+
+#endif /* IB_PMA_H */
diff --git a/include/rdma/ib_verbs.h b/include/rdma/ib_verbs.h
index 55cd0a0bc97..bf4306aea16 100644
--- a/include/rdma/ib_verbs.h
+++ b/include/rdma/ib_verbs.h
@@ -350,7 +350,8 @@ enum ib_event_type {
 	IB_EVENT_SRQ_ERR,
 	IB_EVENT_SRQ_LIMIT_REACHED,
 	IB_EVENT_QP_LAST_WQE_REACHED,
-	IB_EVENT_CLIENT_REREGISTER
+	IB_EVENT_CLIENT_REREGISTER,
+	IB_EVENT_GID_CHANGE,
 };
 
 struct ib_event {