diff --git a/drivers/infiniband/hw/mlx4/main.c b/drivers/infiniband/hw/mlx4/main.c
index 402f3a20ec0aa7f4c50c1f6c74a41e12f9b6426c..1095c82b38c257fd49ed68502b6b3f23dd7e3438 100644
--- a/drivers/infiniband/hw/mlx4/main.c
+++ b/drivers/infiniband/hw/mlx4/main.c
@@ -125,7 +125,7 @@ static int mlx4_ib_query_device(struct ib_device *ibdev,
 	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;
-	props->max_pkeys	   = dev->dev->caps.pkey_table_len;
+	props->max_pkeys	   = dev->dev->caps.pkey_table_len[1];
 	props->max_mcast_grp	   = dev->dev->caps.num_mgms + dev->dev->caps.num_amgms;
 	props->max_mcast_qp_attach = dev->dev->caps.num_qp_per_mgm;
 	props->max_total_mcast_qp_attach = props->max_mcast_qp_attach *
@@ -168,9 +168,9 @@ static int mlx4_ib_query_port(struct ib_device *ibdev, u8 port,
 	props->state		= out_mad->data[32] & 0xf;
 	props->phys_state	= out_mad->data[33] >> 4;
 	props->port_cap_flags	= be32_to_cpup((__be32 *) (out_mad->data + 20));
-	props->gid_tbl_len	= to_mdev(ibdev)->dev->caps.gid_table_len;
+	props->gid_tbl_len	= to_mdev(ibdev)->dev->caps.gid_table_len[port];
 	props->max_msg_sz	= 0x80000000;
-	props->pkey_tbl_len	= to_mdev(ibdev)->dev->caps.pkey_table_len;
+	props->pkey_tbl_len	= to_mdev(ibdev)->dev->caps.pkey_table_len[port];
 	props->bad_pkey_cntr	= be16_to_cpup((__be16 *) (out_mad->data + 46));
 	props->qkey_viol_cntr	= be16_to_cpup((__be16 *) (out_mad->data + 48));
 	props->active_width	= out_mad->data[31] & 0xf;
@@ -280,8 +280,14 @@ static int mlx4_SET_PORT(struct mlx4_ib_dev *dev, u8 port, int reset_qkey_viols,
 		return PTR_ERR(mailbox);
 
 	memset(mailbox->buf, 0, 256);
-	*(u8 *) mailbox->buf	     = !!reset_qkey_viols << 6;
-	((__be32 *) mailbox->buf)[2] = cpu_to_be32(cap_mask);
+
+	if (dev->dev->flags & MLX4_FLAG_OLD_PORT_CMDS) {
+		*(u8 *) mailbox->buf	     = !!reset_qkey_viols << 6;
+		((__be32 *) mailbox->buf)[2] = cpu_to_be32(cap_mask);
+	} else {
+		((u8 *) mailbox->buf)[3]     = !!reset_qkey_viols;
+		((__be32 *) mailbox->buf)[1] = cpu_to_be32(cap_mask);
+	}
 
 	err = mlx4_cmd(dev->dev, mailbox->dma, port, 0, MLX4_CMD_SET_PORT,
 		       MLX4_CMD_TIME_CLASS_B);
diff --git a/drivers/infiniband/hw/mlx4/qp.c b/drivers/infiniband/hw/mlx4/qp.c
index 95d4a9d6994c50b381b2e62f0c3cfec699210b0a..355a31f9c03c07abbe8e41a4145941e40876c0fa 100644
--- a/drivers/infiniband/hw/mlx4/qp.c
+++ b/drivers/infiniband/hw/mlx4/qp.c
@@ -603,24 +603,6 @@ int mlx4_ib_destroy_qp(struct ib_qp *qp)
 	return 0;
 }
 
-static void init_port(struct mlx4_ib_dev *dev, int port)
-{
-	struct mlx4_init_port_param param;
-	int err;
-
-	memset(&param, 0, sizeof param);
-
-	param.port_width_cap = dev->dev->caps.port_width_cap;
-	param.vl_cap	     = dev->dev->caps.vl_cap;
-	param.mtu	     = ib_mtu_enum_to_int(dev->dev->caps.mtu_cap);
-	param.max_gid	     = dev->dev->caps.gid_table_len;
-	param.max_pkey	     = dev->dev->caps.pkey_table_len;
-
-	err = mlx4_INIT_PORT(dev->dev, &param, port);
-	if (err)
-		printk(KERN_WARNING "INIT_PORT failed, return code %d.\n", err);
-}
-
 static int to_mlx4_st(enum ib_qp_type type)
 {
 	switch (type) {
@@ -694,9 +676,9 @@ static int mlx4_set_path(struct mlx4_ib_dev *dev, const struct ib_ah_attr *ah,
 	path->counter_index = 0xff;
 
 	if (ah->ah_flags & IB_AH_GRH) {
-		if (ah->grh.sgid_index >= dev->dev->caps.gid_table_len) {
+		if (ah->grh.sgid_index >= dev->dev->caps.gid_table_len[port]) {
 			printk(KERN_ERR "sgid_index (%u) too large. max is %d\n",
-			       ah->grh.sgid_index, dev->dev->caps.gid_table_len - 1);
+			       ah->grh.sgid_index, dev->dev->caps.gid_table_len[port] - 1);
 			return -1;
 		}
 
@@ -812,13 +794,14 @@ static int __mlx4_ib_modify_qp(struct ib_qp *ibqp,
 	}
 
 	if (attr_mask & IB_QP_ALT_PATH) {
-		if (attr->alt_pkey_index >= dev->dev->caps.pkey_table_len)
-			return -EINVAL;
-
 		if (attr->alt_port_num == 0 ||
 		    attr->alt_port_num > dev->dev->caps.num_ports)
 			return -EINVAL;
 
+		if (attr->alt_pkey_index >=
+		    dev->dev->caps.pkey_table_len[attr->alt_port_num])
+			return -EINVAL;
+
 		if (mlx4_set_path(dev, &attr->alt_ah_attr, &context->alt_path,
 				  attr->alt_port_num))
 			return -EINVAL;
@@ -949,7 +932,9 @@ static int __mlx4_ib_modify_qp(struct ib_qp *ibqp,
 	 */
 	if (is_qp0(dev, qp)) {
 		if (cur_state != IB_QPS_RTR && new_state == IB_QPS_RTR)
-			init_port(dev, qp->port);
+			if (mlx4_INIT_PORT(dev->dev, qp->port))
+				printk(KERN_WARNING "INIT_PORT failed for port %d\n",
+				       qp->port);
 
 		if (cur_state != IB_QPS_RESET && cur_state != IB_QPS_ERR &&
 		    (new_state == IB_QPS_RESET || new_state == IB_QPS_ERR))
@@ -1012,16 +997,17 @@ int mlx4_ib_modify_qp(struct ib_qp *ibqp, struct ib_qp_attr *attr,
 	if (!ib_modify_qp_is_ok(cur_state, new_state, ibqp->qp_type, attr_mask))
 		goto out;
 
-	if ((attr_mask & IB_QP_PKEY_INDEX) &&
-	     attr->pkey_index >= dev->dev->caps.pkey_table_len) {
-		goto out;
-	}
-
 	if ((attr_mask & IB_QP_PORT) &&
 	    (attr->port_num == 0 || attr->port_num > dev->dev->caps.num_ports)) {
 		goto out;
 	}
 
+	if (attr_mask & IB_QP_PKEY_INDEX) {
+		int p = attr_mask & IB_QP_PORT ? attr->port_num : qp->port;
+		if (attr->pkey_index >= dev->dev->caps.pkey_table_len[p])
+			goto out;
+	}
+
 	if (attr_mask & IB_QP_MAX_QP_RD_ATOMIC &&
 	    attr->max_rd_atomic > dev->dev->caps.max_qp_init_rdma) {
 		goto out;
diff --git a/drivers/net/mlx4/fw.c b/drivers/net/mlx4/fw.c
index 81fc546a1c44011a4c47bbcbd7ccc6f899dbbe48..d2b065351e4511fda36c5e4bd101c15e2fd647b6 100644
--- a/drivers/net/mlx4/fw.c
+++ b/drivers/net/mlx4/fw.c
@@ -38,7 +38,9 @@
 #include "icm.h"
 
 enum {
-	MLX4_COMMAND_INTERFACE_REV	= 2,
+	MLX4_COMMAND_INTERFACE_MIN_REV		= 2,
+	MLX4_COMMAND_INTERFACE_MAX_REV		= 3,
+	MLX4_COMMAND_INTERFACE_NEW_PORT_CMDS	= 3,
 };
 
 extern void __buggy_use_of_MLX4_GET(void);
@@ -107,6 +109,7 @@ int mlx4_QUERY_DEV_CAP(struct mlx4_dev *dev, struct mlx4_dev_cap *dev_cap)
 	u16 size;
 	u16 stat_rate;
 	int err;
+	int i;
 
 #define QUERY_DEV_CAP_OUT_SIZE		       0x100
 #define QUERY_DEV_CAP_MAX_SRQ_SZ_OFFSET		0x10
@@ -176,7 +179,6 @@ int mlx4_QUERY_DEV_CAP(struct mlx4_dev *dev, struct mlx4_dev_cap *dev_cap)
 
 	err = mlx4_cmd_box(dev, 0, mailbox->dma, 0, 0, MLX4_CMD_QUERY_DEV_CAP,
 			   MLX4_CMD_TIME_CLASS_A);
-
 	if (err)
 		goto out;
 
@@ -216,18 +218,10 @@ int mlx4_QUERY_DEV_CAP(struct mlx4_dev *dev, struct mlx4_dev_cap *dev_cap)
 	dev_cap->max_rdma_global = 1 << (field & 0x3f);
 	MLX4_GET(field, outbox, QUERY_DEV_CAP_ACK_DELAY_OFFSET);
 	dev_cap->local_ca_ack_delay = field & 0x1f;
-	MLX4_GET(field, outbox, QUERY_DEV_CAP_MTU_WIDTH_OFFSET);
-	dev_cap->max_mtu	= field >> 4;
-	dev_cap->max_port_width = field & 0xf;
 	MLX4_GET(field, outbox, QUERY_DEV_CAP_VL_PORT_OFFSET);
-	dev_cap->max_vl    = field >> 4;
 	dev_cap->num_ports = field & 0xf;
-	MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_GID_OFFSET);
-	dev_cap->max_gids = 1 << (field & 0xf);
 	MLX4_GET(stat_rate, outbox, QUERY_DEV_CAP_RATE_SUPPORT_OFFSET);
 	dev_cap->stat_rate_support = stat_rate;
-	MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_PKEY_OFFSET);
-	dev_cap->max_pkeys = 1 << (field & 0xf);
 	MLX4_GET(dev_cap->flags, outbox, QUERY_DEV_CAP_FLAGS_OFFSET);
 	MLX4_GET(field, outbox, QUERY_DEV_CAP_RSVD_UAR_OFFSET);
 	dev_cap->reserved_uars = field >> 4;
@@ -304,6 +298,42 @@ int mlx4_QUERY_DEV_CAP(struct mlx4_dev *dev, struct mlx4_dev_cap *dev_cap)
 	MLX4_GET(dev_cap->max_icm_sz, outbox,
 		 QUERY_DEV_CAP_MAX_ICM_SZ_OFFSET);
 
+	if (dev->flags & MLX4_FLAG_OLD_PORT_CMDS) {
+		for (i = 1; i <= dev_cap->num_ports; ++i) {
+			MLX4_GET(field, outbox, QUERY_DEV_CAP_VL_PORT_OFFSET);
+			dev_cap->max_vl[i]	   = field >> 4;
+			MLX4_GET(field, outbox, QUERY_DEV_CAP_MTU_WIDTH_OFFSET);
+			dev_cap->max_mtu[i]	   = field >> 4;
+			dev_cap->max_port_width[i] = field & 0xf;
+			MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_GID_OFFSET);
+			dev_cap->max_gids[i]	   = 1 << (field & 0xf);
+			MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_PKEY_OFFSET);
+			dev_cap->max_pkeys[i]	   = 1 << (field & 0xf);
+		}
+	} else {
+#define QUERY_PORT_MTU_OFFSET			0x01
+#define QUERY_PORT_WIDTH_OFFSET			0x06
+#define QUERY_PORT_MAX_GID_PKEY_OFFSET		0x07
+#define QUERY_PORT_MAX_VL_OFFSET		0x0b
+
+		for (i = 1; i <= dev_cap->num_ports; ++i) {
+			err = mlx4_cmd_box(dev, 0, mailbox->dma, i, 0, MLX4_CMD_QUERY_PORT,
+					   MLX4_CMD_TIME_CLASS_B);
+			if (err)
+				goto out;
+
+			MLX4_GET(field, outbox, QUERY_PORT_MTU_OFFSET);
+			dev_cap->max_mtu[i]	   = field & 0xf;
+			MLX4_GET(field, outbox, QUERY_PORT_WIDTH_OFFSET);
+			dev_cap->max_port_width[i] = field & 0xf;
+			MLX4_GET(field, outbox, QUERY_PORT_MAX_GID_PKEY_OFFSET);
+			dev_cap->max_gids[i]	   = 1 << (field >> 4);
+			dev_cap->max_pkeys[i]	   = 1 << (field & 0xf);
+			MLX4_GET(field, outbox, QUERY_PORT_MAX_VL_OFFSET);
+			dev_cap->max_vl[i]	   = field & 0xf;
+		}
+	}
+
 	if (dev_cap->bmme_flags & 1)
 		mlx4_dbg(dev, "Base MM extensions: yes "
 			 "(flags %d, rsvd L_Key %08x)\n",
@@ -338,8 +368,8 @@ int mlx4_QUERY_DEV_CAP(struct mlx4_dev *dev, struct mlx4_dev_cap *dev_cap)
 	mlx4_dbg(dev, "Max CQEs: %d, max WQEs: %d, max SRQ WQEs: %d\n",
 		 dev_cap->max_cq_sz, dev_cap->max_qp_sz, dev_cap->max_srq_sz);
 	mlx4_dbg(dev, "Local CA ACK delay: %d, max MTU: %d, port width cap: %d\n",
-		 dev_cap->local_ca_ack_delay, 128 << dev_cap->max_mtu,
-		 dev_cap->max_port_width);
+		 dev_cap->local_ca_ack_delay, 128 << dev_cap->max_mtu[1],
+		 dev_cap->max_port_width[1]);
 	mlx4_dbg(dev, "Max SQ desc size: %d, max SQ S/G: %d\n",
 		 dev_cap->max_sq_desc_sz, dev_cap->max_sq_sg);
 	mlx4_dbg(dev, "Max RQ desc size: %d, max RQ S/G: %d\n",
@@ -491,7 +521,8 @@ int mlx4_QUERY_FW(struct mlx4_dev *dev)
 		((fw_ver & 0x0000ffffull) << 16);
 
 	MLX4_GET(cmd_if_rev, outbox, QUERY_FW_CMD_IF_REV_OFFSET);
-	if (cmd_if_rev != MLX4_COMMAND_INTERFACE_REV) {
+	if (cmd_if_rev < MLX4_COMMAND_INTERFACE_MIN_REV ||
+	    cmd_if_rev > MLX4_COMMAND_INTERFACE_MAX_REV) {
 		mlx4_err(dev, "Installed FW has unsupported "
 			 "command interface revision %d.\n",
 			 cmd_if_rev);
@@ -499,12 +530,15 @@ int mlx4_QUERY_FW(struct mlx4_dev *dev)
 			 (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);
+		mlx4_err(dev, "This driver version supports only revisions %d to %d.\n",
+			 MLX4_COMMAND_INTERFACE_MIN_REV, MLX4_COMMAND_INTERFACE_MAX_REV);
 		err = -ENODEV;
 		goto out;
 	}
 
+	if (cmd_if_rev < MLX4_COMMAND_INTERFACE_NEW_PORT_CMDS)
+		dev->flags |= MLX4_FLAG_OLD_PORT_CMDS;
+
 	MLX4_GET(lg, outbox, QUERY_FW_MAX_CMD_OFFSET);
 	cmd->max_cmds = 1 << lg;
 
@@ -708,13 +742,15 @@ int mlx4_INIT_HCA(struct mlx4_dev *dev, struct mlx4_init_hca_param *param)
 	return err;
 }
 
-int mlx4_INIT_PORT(struct mlx4_dev *dev, struct mlx4_init_port_param *param, int port)
+int mlx4_INIT_PORT(struct mlx4_dev *dev, int port)
 {
 	struct mlx4_cmd_mailbox *mailbox;
 	u32 *inbox;
 	int err;
 	u32 flags;
+	u16 field;
 
+	if (dev->flags & MLX4_FLAG_OLD_PORT_CMDS) {
 #define INIT_PORT_IN_SIZE          256
 #define INIT_PORT_FLAGS_OFFSET     0x00
 #define INIT_PORT_FLAG_SIG         (1 << 18)
@@ -729,32 +765,32 @@ int mlx4_INIT_PORT(struct mlx4_dev *dev, struct mlx4_init_port_param *param, int
 #define INIT_PORT_NODE_GUID_OFFSET 0x18
 #define INIT_PORT_SI_GUID_OFFSET   0x20
 
-	mailbox = mlx4_alloc_cmd_mailbox(dev);
-	if (IS_ERR(mailbox))
-		return PTR_ERR(mailbox);
-	inbox = mailbox->buf;
+		mailbox = mlx4_alloc_cmd_mailbox(dev);
+		if (IS_ERR(mailbox))
+			return PTR_ERR(mailbox);
+		inbox = mailbox->buf;
 
-	memset(inbox, 0, INIT_PORT_IN_SIZE);
+		memset(inbox, 0, INIT_PORT_IN_SIZE);
 
-	flags = 0;
-	flags |= param->set_guid0     ? INIT_PORT_FLAG_G0  : 0;
-	flags |= param->set_node_guid ? INIT_PORT_FLAG_NG  : 0;
-	flags |= param->set_si_guid   ? INIT_PORT_FLAG_SIG : 0;
-	flags |= (param->vl_cap & 0xf) << INIT_PORT_VL_SHIFT;
-	flags |= (param->port_width_cap & 0xf) << INIT_PORT_PORT_WIDTH_SHIFT;
-	MLX4_PUT(inbox, flags,            INIT_PORT_FLAGS_OFFSET);
+		flags = 0;
+		flags |= (dev->caps.vl_cap[port] & 0xf) << INIT_PORT_VL_SHIFT;
+		flags |= (dev->caps.port_width_cap[port] & 0xf) << INIT_PORT_PORT_WIDTH_SHIFT;
+		MLX4_PUT(inbox, flags,		  INIT_PORT_FLAGS_OFFSET);
 
-	MLX4_PUT(inbox, param->mtu,       INIT_PORT_MTU_OFFSET);
-	MLX4_PUT(inbox, param->max_gid,   INIT_PORT_MAX_GID_OFFSET);
-	MLX4_PUT(inbox, param->max_pkey,  INIT_PORT_MAX_PKEY_OFFSET);
-	MLX4_PUT(inbox, param->guid0,     INIT_PORT_GUID0_OFFSET);
-	MLX4_PUT(inbox, param->node_guid, INIT_PORT_NODE_GUID_OFFSET);
-	MLX4_PUT(inbox, param->si_guid,   INIT_PORT_SI_GUID_OFFSET);
+		field = 128 << dev->caps.mtu_cap[port];
+		MLX4_PUT(inbox, field, INIT_PORT_MTU_OFFSET);
+		field = dev->caps.gid_table_len[port];
+		MLX4_PUT(inbox, field, INIT_PORT_MAX_GID_OFFSET);
+		field = dev->caps.pkey_table_len[port];
+		MLX4_PUT(inbox, field, INIT_PORT_MAX_PKEY_OFFSET);
 
-	err = mlx4_cmd(dev, mailbox->dma, port, 0, MLX4_CMD_INIT_PORT,
-		       MLX4_CMD_TIME_CLASS_A);
+		err = mlx4_cmd(dev, mailbox->dma, port, 0, MLX4_CMD_INIT_PORT,
+			       MLX4_CMD_TIME_CLASS_A);
 
-	mlx4_free_cmd_mailbox(dev, mailbox);
+		mlx4_free_cmd_mailbox(dev, mailbox);
+	} else
+		err = mlx4_cmd(dev, 0, port, 0, MLX4_CMD_INIT_PORT,
+			       MLX4_CMD_TIME_CLASS_A);
 
 	return err;
 }
diff --git a/drivers/net/mlx4/fw.h b/drivers/net/mlx4/fw.h
index 2616fa53d4d03a8773de61f097609e1b0bc01d02..296254ac27c14b0a5fbfa0f3789e149e91336e80 100644
--- a/drivers/net/mlx4/fw.h
+++ b/drivers/net/mlx4/fw.h
@@ -59,13 +59,13 @@ struct mlx4_dev_cap {
 	int max_responder_per_qp;
 	int max_rdma_global;
 	int local_ca_ack_delay;
-	int max_mtu;
-	int max_port_width;
-	int max_vl;
 	int num_ports;
-	int max_gids;
+	int max_mtu[MLX4_MAX_PORTS + 1];
+	int max_port_width[MLX4_MAX_PORTS + 1];
+	int max_vl[MLX4_MAX_PORTS + 1];
+	int max_gids[MLX4_MAX_PORTS + 1];
+	int max_pkeys[MLX4_MAX_PORTS + 1];
 	u16 stat_rate_support;
-	int max_pkeys;
 	u32 flags;
 	int reserved_uars;
 	int uar_size;
diff --git a/drivers/net/mlx4/main.c b/drivers/net/mlx4/main.c
index d4172937025b05afbd26765a297e53b338c2a066..41eafebf58233da49d71be34b10d0b69f21558bf 100644
--- a/drivers/net/mlx4/main.c
+++ b/drivers/net/mlx4/main.c
@@ -88,6 +88,7 @@ static struct mlx4_profile default_profile = {
 static int __devinit mlx4_dev_cap(struct mlx4_dev *dev, struct mlx4_dev_cap *dev_cap)
 {
 	int err;
+	int i;
 
 	err = mlx4_QUERY_DEV_CAP(dev, dev_cap);
 	if (err) {
@@ -117,11 +118,15 @@ static int __devinit mlx4_dev_cap(struct mlx4_dev *dev, struct mlx4_dev_cap *dev
 	}
 
 	dev->caps.num_ports	     = dev_cap->num_ports;
+	for (i = 1; i <= dev->caps.num_ports; ++i) {
+		dev->caps.vl_cap[i]	    = dev_cap->max_vl[i];
+		dev->caps.mtu_cap[i]	    = dev_cap->max_mtu[i];
+		dev->caps.gid_table_len[i]  = dev_cap->max_gids[i];
+		dev->caps.pkey_table_len[i] = dev_cap->max_pkeys[i];
+		dev->caps.port_width_cap[i] = dev_cap->max_port_width[i];
+	}
+
 	dev->caps.num_uars	     = dev_cap->uar_size / PAGE_SIZE;
-	dev->caps.vl_cap	     = dev_cap->max_vl;
-	dev->caps.mtu_cap	     = dev_cap->max_mtu;
-	dev->caps.gid_table_len	     = dev_cap->max_gids;
-	dev->caps.pkey_table_len     = dev_cap->max_pkeys;
 	dev->caps.local_ca_ack_delay = dev_cap->local_ca_ack_delay;
 	dev->caps.bf_reg_size	     = dev_cap->bf_reg_size;
 	dev->caps.bf_regs_per_page   = dev_cap->bf_regs_per_page;
@@ -148,7 +153,6 @@ static int __devinit mlx4_dev_cap(struct mlx4_dev *dev, struct mlx4_dev_cap *dev
 	dev->caps.reserved_mrws	     = dev_cap->reserved_mrws;
 	dev->caps.reserved_uars	     = dev_cap->reserved_uars;
 	dev->caps.reserved_pds	     = dev_cap->reserved_pds;
-	dev->caps.port_width_cap     = dev_cap->max_port_width;
 	dev->caps.mtt_entry_sz	     = MLX4_MTT_ENTRY_PER_SEG * dev_cap->mtt_entry_sz;
 	dev->caps.page_size_cap	     = ~(u32) (dev_cap->min_page_sz - 1);
 	dev->caps.flags		     = dev_cap->flags;
diff --git a/include/linux/mlx4/cmd.h b/include/linux/mlx4/cmd.h
index 4fb552d12f7ae3fbd51de76b1ad0480750955c06..7d1eaa97de13bb4bd11d5079a0c48258d250ebc7 100644
--- a/include/linux/mlx4/cmd.h
+++ b/include/linux/mlx4/cmd.h
@@ -54,6 +54,7 @@ enum {
 	MLX4_CMD_INIT_PORT	 = 0x9,
 	MLX4_CMD_CLOSE_PORT	 = 0xa,
 	MLX4_CMD_QUERY_HCA	 = 0xb,
+	MLX4_CMD_QUERY_PORT	 = 0x43,
 	MLX4_CMD_SET_PORT	 = 0xc,
 	MLX4_CMD_ACCESS_DDR	 = 0x2e,
 	MLX4_CMD_MAP_ICM	 = 0xffa,
diff --git a/include/linux/mlx4/device.h b/include/linux/mlx4/device.h
index 8c5f8fd86841627d3fcca3b157af4fcd1cadda1e..b372f5910fc154247e1f1a08b812e606309139e3 100644
--- a/include/linux/mlx4/device.h
+++ b/include/linux/mlx4/device.h
@@ -41,6 +41,7 @@
 
 enum {
 	MLX4_FLAG_MSI_X		= 1 << 0,
+	MLX4_FLAG_OLD_PORT_CMDS	= 1 << 1,
 };
 
 enum {
@@ -131,10 +132,10 @@ enum {
 struct mlx4_caps {
 	u64			fw_ver;
 	int			num_ports;
-	int			vl_cap;
-	int			mtu_cap;
-	int			gid_table_len;
-	int			pkey_table_len;
+	int			vl_cap[MLX4_MAX_PORTS + 1];
+	int			mtu_cap[MLX4_MAX_PORTS + 1];
+	int			gid_table_len[MLX4_MAX_PORTS + 1];
+	int			pkey_table_len[MLX4_MAX_PORTS + 1];
 	int			local_ca_ack_delay;
 	int			num_uars;
 	int			bf_reg_size;
@@ -174,7 +175,7 @@ struct mlx4_caps {
 	u32			page_size_cap;
 	u32			flags;
 	u16			stat_rate_support;
-	u8			port_width_cap;
+	u8			port_width_cap[MLX4_MAX_PORTS + 1];
 };
 
 struct mlx4_buf_list {
@@ -322,7 +323,7 @@ int mlx4_srq_alloc(struct mlx4_dev *dev, u32 pdn, struct mlx4_mtt *mtt,
 void mlx4_srq_free(struct mlx4_dev *dev, struct mlx4_srq *srq);
 int mlx4_srq_arm(struct mlx4_dev *dev, struct mlx4_srq *srq, int limit_watermark);
 
-int mlx4_INIT_PORT(struct mlx4_dev *dev, struct mlx4_init_port_param *param, int port);
+int mlx4_INIT_PORT(struct mlx4_dev *dev, int port);
 int mlx4_CLOSE_PORT(struct mlx4_dev *dev, int port);
 
 int mlx4_multicast_attach(struct mlx4_dev *dev, struct mlx4_qp *qp, u8 gid[16]);