Initial file dump from open source releaseHEADmaster

1 files changed, 3934 insertions, 0 deletions

diff --git a/drivers/net/ethernet/mellanox/mlx4/resource_tracker.c b/drivers/net/ethernet/mellanox/mlx4/resource_tracker.c
new file mode 100644
index 00000000..6cc80886
--- /dev/null
+++ b/drivers/net/ethernet/mellanox/mlx4/resource_tracker.c
@@ -0,0 +1,3934 @@
+/*
+ * Copyright (c) 2004, 2005 Topspin Communications.  All rights reserved.
+ * Copyright (c) 2005, 2006, 2007, 2008 Mellanox Technologies.
+ * All rights reserved.
+ * Copyright (c) 2005, 2006, 2007 Cisco Systems, 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.
+ */
+
+#include <linux/sched.h>
+#include <linux/pci.h>
+#include <linux/errno.h>
+#include <linux/kernel.h>
+#include <linux/io.h>
+#include <linux/slab.h>
+#include <linux/mlx4/cmd.h>
+#include <linux/mlx4/qp.h>
+#include <linux/if_ether.h>
+#include <linux/etherdevice.h>
+
+#include "mlx4.h"
+#include "fw.h"
+
+#define MLX4_MAC_VALID		(1ull << 63)
+
+struct mac_res {
+	struct list_head list;
+	u64 mac;
+	u8 port;
+};
+
+struct res_common {
+	struct list_head	list;
+	struct rb_node		node;
+	u64		        res_id;
+	int			owner;
+	int			state;
+	int			from_state;
+	int			to_state;
+	int			removing;
+};
+
+enum {
+	RES_ANY_BUSY = 1
+};
+
+struct res_gid {
+	struct list_head	list;
+	u8			gid[16];
+	enum mlx4_protocol	prot;
+	enum mlx4_steer_type	steer;
+	u64			reg_id;
+};
+
+enum res_qp_states {
+	RES_QP_BUSY = RES_ANY_BUSY,
+
+	/* QP number was allocated */
+	RES_QP_RESERVED,
+
+	/* ICM memory for QP context was mapped */
+	RES_QP_MAPPED,
+
+	/* QP is in hw ownership */
+	RES_QP_HW
+};
+
+struct res_qp {
+	struct res_common	com;
+	struct res_mtt	       *mtt;
+	struct res_cq	       *rcq;
+	struct res_cq	       *scq;
+	struct res_srq	       *srq;
+	struct list_head	mcg_list;
+	spinlock_t		mcg_spl;
+	int			local_qpn;
+	atomic_t		ref_count;
+};
+
+enum res_mtt_states {
+	RES_MTT_BUSY = RES_ANY_BUSY,
+	RES_MTT_ALLOCATED,
+};
+
+static inline const char *mtt_states_str(enum res_mtt_states state)
+{
+	switch (state) {
+	case RES_MTT_BUSY: return "RES_MTT_BUSY";
+	case RES_MTT_ALLOCATED: return "RES_MTT_ALLOCATED";
+	default: return "Unknown";
+	}
+}
+
+struct res_mtt {
+	struct res_common	com;
+	int			order;
+	atomic_t		ref_count;
+};
+
+enum res_mpt_states {
+	RES_MPT_BUSY = RES_ANY_BUSY,
+	RES_MPT_RESERVED,
+	RES_MPT_MAPPED,
+	RES_MPT_HW,
+};
+
+struct res_mpt {
+	struct res_common	com;
+	struct res_mtt	       *mtt;
+	int			key;
+};
+
+enum res_eq_states {
+	RES_EQ_BUSY = RES_ANY_BUSY,
+	RES_EQ_RESERVED,
+	RES_EQ_HW,
+};
+
+struct res_eq {
+	struct res_common	com;
+	struct res_mtt	       *mtt;
+};
+
+enum res_cq_states {
+	RES_CQ_BUSY = RES_ANY_BUSY,
+	RES_CQ_ALLOCATED,
+	RES_CQ_HW,
+};
+
+struct res_cq {
+	struct res_common	com;
+	struct res_mtt	       *mtt;
+	atomic_t		ref_count;
+};
+
+enum res_srq_states {
+	RES_SRQ_BUSY = RES_ANY_BUSY,
+	RES_SRQ_ALLOCATED,
+	RES_SRQ_HW,
+};
+
+struct res_srq {
+	struct res_common	com;
+	struct res_mtt	       *mtt;
+	struct res_cq	       *cq;
+	atomic_t		ref_count;
+};
+
+enum res_counter_states {
+	RES_COUNTER_BUSY = RES_ANY_BUSY,
+	RES_COUNTER_ALLOCATED,
+};
+
+struct res_counter {
+	struct res_common	com;
+	int			port;
+};
+
+enum res_xrcdn_states {
+	RES_XRCD_BUSY = RES_ANY_BUSY,
+	RES_XRCD_ALLOCATED,
+};
+
+struct res_xrcdn {
+	struct res_common	com;
+	int			port;
+};
+
+enum res_fs_rule_states {
+	RES_FS_RULE_BUSY = RES_ANY_BUSY,
+	RES_FS_RULE_ALLOCATED,
+};
+
+struct res_fs_rule {
+	struct res_common	com;
+	int			qpn;
+};
+
+static void *res_tracker_lookup(struct rb_root *root, u64 res_id)
+{
+	struct rb_node *node = root->rb_node;
+
+	while (node) {
+		struct res_common *res = container_of(node, struct res_common,
+						      node);
+
+		if (res_id < res->res_id)
+			node = node->rb_left;
+		else if (res_id > res->res_id)
+			node = node->rb_right;
+		else
+			return res;
+	}
+	return NULL;
+}
+
+static int res_tracker_insert(struct rb_root *root, struct res_common *res)
+{
+	struct rb_node **new = &(root->rb_node), *parent = NULL;
+
+	/* Figure out where to put new node */
+	while (*new) {
+		struct res_common *this = container_of(*new, struct res_common,
+						       node);
+
+		parent = *new;
+		if (res->res_id < this->res_id)
+			new = &((*new)->rb_left);
+		else if (res->res_id > this->res_id)
+			new = &((*new)->rb_right);
+		else
+			return -EEXIST;
+	}
+
+	/* Add new node and rebalance tree. */
+	rb_link_node(&res->node, parent, new);
+	rb_insert_color(&res->node, root);
+
+	return 0;
+}
+
+enum qp_transition {
+	QP_TRANS_INIT2RTR,
+	QP_TRANS_RTR2RTS,
+	QP_TRANS_RTS2RTS,
+	QP_TRANS_SQERR2RTS,
+	QP_TRANS_SQD2SQD,
+	QP_TRANS_SQD2RTS
+};
+
+/* For Debug uses */
+static const char *ResourceType(enum mlx4_resource rt)
+{
+	switch (rt) {
+	case RES_QP: return "RES_QP";
+	case RES_CQ: return "RES_CQ";
+	case RES_SRQ: return "RES_SRQ";
+	case RES_MPT: return "RES_MPT";
+	case RES_MTT: return "RES_MTT";
+	case RES_MAC: return  "RES_MAC";
+	case RES_EQ: return "RES_EQ";
+	case RES_COUNTER: return "RES_COUNTER";
+	case RES_FS_RULE: return "RES_FS_RULE";
+	case RES_XRCD: return "RES_XRCD";
+	default: return "Unknown resource type !!!";
+	};
+}
+
+int mlx4_init_resource_tracker(struct mlx4_dev *dev)
+{
+	struct mlx4_priv *priv = mlx4_priv(dev);
+	int i;
+	int t;
+
+	priv->mfunc.master.res_tracker.slave_list =
+		kzalloc(dev->num_slaves * sizeof(struct slave_list),
+			GFP_KERNEL);
+	if (!priv->mfunc.master.res_tracker.slave_list)
+		return -ENOMEM;
+
+	for (i = 0 ; i < dev->num_slaves; i++) {
+		for (t = 0; t < MLX4_NUM_OF_RESOURCE_TYPE; ++t)
+			INIT_LIST_HEAD(&priv->mfunc.master.res_tracker.
+				       slave_list[i].res_list[t]);
+		mutex_init(&priv->mfunc.master.res_tracker.slave_list[i].mutex);
+	}
+
+	mlx4_dbg(dev, "Started init_resource_tracker: %ld slaves\n",
+		 dev->num_slaves);
+	for (i = 0 ; i < MLX4_NUM_OF_RESOURCE_TYPE; i++)
+		priv->mfunc.master.res_tracker.res_tree[i] = RB_ROOT;
+
+	spin_lock_init(&priv->mfunc.master.res_tracker.lock);
+	return 0 ;
+}
+
+void mlx4_free_resource_tracker(struct mlx4_dev *dev,
+				enum mlx4_res_tracker_free_type type)
+{
+	struct mlx4_priv *priv = mlx4_priv(dev);
+	int i;
+
+	if (priv->mfunc.master.res_tracker.slave_list) {
+		if (type != RES_TR_FREE_STRUCTS_ONLY)
+			for (i = 0 ; i < dev->num_slaves; i++)
+				if (type == RES_TR_FREE_ALL ||
+				    dev->caps.function != i)
+					mlx4_delete_all_resources_for_slave(dev, i);
+
+		if (type != RES_TR_FREE_SLAVES_ONLY) {
+			kfree(priv->mfunc.master.res_tracker.slave_list);
+			priv->mfunc.master.res_tracker.slave_list = NULL;
+		}
+	}
+}
+
+static void update_pkey_index(struct mlx4_dev *dev, int slave,
+			      struct mlx4_cmd_mailbox *inbox)
+{
+	u8 sched = *(u8 *)(inbox->buf + 64);
+	u8 orig_index = *(u8 *)(inbox->buf + 35);
+	u8 new_index;
+	struct mlx4_priv *priv = mlx4_priv(dev);
+	int port;
+
+	port = (sched >> 6 & 1) + 1;
+
+	new_index = priv->virt2phys_pkey[slave][port - 1][orig_index];
+	*(u8 *)(inbox->buf + 35) = new_index;
+}
+
+static void update_gid(struct mlx4_dev *dev, struct mlx4_cmd_mailbox *inbox,
+		       u8 slave)
+{
+	struct mlx4_qp_context	*qp_ctx = inbox->buf + 8;
+	enum mlx4_qp_optpar	optpar = be32_to_cpu(*(__be32 *) inbox->buf);
+	u32			ts = (be32_to_cpu(qp_ctx->flags) >> 16) & 0xff;
+
+	if (MLX4_QP_ST_UD == ts)
+		qp_ctx->pri_path.mgid_index = 0x80 | slave;
+
+	if (MLX4_QP_ST_RC == ts || MLX4_QP_ST_UC == ts) {
+		if (optpar & MLX4_QP_OPTPAR_PRIMARY_ADDR_PATH)
+			qp_ctx->pri_path.mgid_index = slave & 0x7F;
+		if (optpar & MLX4_QP_OPTPAR_ALT_ADDR_PATH)
+			qp_ctx->alt_path.mgid_index = slave & 0x7F;
+	}
+}
+
+static int update_vport_qp_param(struct mlx4_dev *dev,
+				 struct mlx4_cmd_mailbox *inbox,
+				 u8 slave)
+{
+	struct mlx4_qp_context	*qpc = inbox->buf + 8;
+	struct mlx4_vport_oper_state *vp_oper;
+	struct mlx4_priv *priv;
+	u32 qp_type;
+	int port;
+
+	port = (qpc->pri_path.sched_queue & 0x40) ? 2 : 1;
+	priv = mlx4_priv(dev);
+	vp_oper = &priv->mfunc.master.vf_oper[slave].vport[port];
+
+	if (MLX4_VGT != vp_oper->state.default_vlan) {
+		qp_type	= (be32_to_cpu(qpc->flags) >> 16) & 0xff;
+		if (MLX4_QP_ST_RC == qp_type)
+			return -EINVAL;
+
+		/* force strip vlan by clear vsd */
+		qpc->param3 &= ~cpu_to_be32(MLX4_STRIP_VLAN);
+		if (0 != vp_oper->state.default_vlan) {
+			qpc->pri_path.vlan_control =
+				MLX4_VLAN_CTRL_ETH_TX_BLOCK_TAGGED |
+				MLX4_VLAN_CTRL_ETH_RX_BLOCK_PRIO_TAGGED |
+				MLX4_VLAN_CTRL_ETH_RX_BLOCK_UNTAGGED;
+		} else { /* priority tagged */
+			qpc->pri_path.vlan_control =
+				MLX4_VLAN_CTRL_ETH_TX_BLOCK_TAGGED |
+				MLX4_VLAN_CTRL_ETH_RX_BLOCK_TAGGED;
+		}
+
+		qpc->pri_path.fvl_rx |= MLX4_FVL_RX_FORCE_ETH_VLAN;
+		qpc->pri_path.vlan_index = vp_oper->vlan_idx;
+		qpc->pri_path.fl |= MLX4_FL_CV | MLX4_FL_ETH_HIDE_CQE_VLAN;
+		qpc->pri_path.feup |= MLX4_FEUP_FORCE_ETH_UP | MLX4_FVL_FORCE_ETH_VLAN;
+		qpc->pri_path.sched_queue &= 0xC7;
+		qpc->pri_path.sched_queue |= (vp_oper->state.default_qos) << 3;
+	}
+	if (vp_oper->state.spoofchk) {
+		qpc->pri_path.feup |= MLX4_FSM_FORCE_ETH_SRC_MAC;
+		qpc->pri_path.grh_mylmc = (0x80 & qpc->pri_path.grh_mylmc) + vp_oper->mac_idx;
+	}
+	return 0;
+}
+
+static int mpt_mask(struct mlx4_dev *dev)
+{
+	return dev->caps.num_mpts - 1;
+}
+
+static void *find_res(struct mlx4_dev *dev, u64 res_id,
+		      enum mlx4_resource type)
+{
+	struct mlx4_priv *priv = mlx4_priv(dev);
+
+	return res_tracker_lookup(&priv->mfunc.master.res_tracker.res_tree[type],
+				  res_id);
+}
+
+static int get_res(struct mlx4_dev *dev, int slave, u64 res_id,
+		   enum mlx4_resource type,
+		   void *res)
+{
+	struct res_common *r;
+	int err = 0;
+
+	spin_lock_irq(mlx4_tlock(dev));
+	r = find_res(dev, res_id, type);
+	if (!r) {
+		err = -ENONET;
+		goto exit;
+	}
+
+	if (r->state == RES_ANY_BUSY) {
+		err = -EBUSY;
+		goto exit;
+	}
+
+	if (r->owner != slave) {
+		err = -EPERM;
+		goto exit;
+	}
+
+	r->from_state = r->state;
+	r->state = RES_ANY_BUSY;
+
+	if (res)
+		*((struct res_common **)res) = r;
+
+exit:
+	spin_unlock_irq(mlx4_tlock(dev));
+	return err;
+}
+
+int mlx4_get_slave_from_resource_id(struct mlx4_dev *dev,
+				    enum mlx4_resource type,
+				    u64 res_id, int *slave)
+{
+
+	struct res_common *r;
+	int err = -ENOENT;
+	int id = res_id;
+
+	if (type == RES_QP)
+		id &= 0x7fffff;
+	spin_lock(mlx4_tlock(dev));
+
+	r = find_res(dev, id, type);
+	if (r) {
+		*slave = r->owner;
+		err = 0;
+	}
+	spin_unlock(mlx4_tlock(dev));
+
+	return err;
+}
+
+static void put_res(struct mlx4_dev *dev, int slave, u64 res_id,
+		    enum mlx4_resource type)
+{
+	struct res_common *r;
+
+	spin_lock_irq(mlx4_tlock(dev));
+	r = find_res(dev, res_id, type);
+	if (r)
+		r->state = r->from_state;
+	spin_unlock_irq(mlx4_tlock(dev));
+}
+
+static struct res_common *alloc_qp_tr(int id)
+{
+	struct res_qp *ret;
+
+	ret = kzalloc(sizeof *ret, GFP_KERNEL);
+	if (!ret)
+		return NULL;
+
+	ret->com.res_id = id;
+	ret->com.state = RES_QP_RESERVED;
+	ret->local_qpn = id;
+	INIT_LIST_HEAD(&ret->mcg_list);
+	spin_lock_init(&ret->mcg_spl);
+	atomic_set(&ret->ref_count, 0);
+
+	return &ret->com;
+}
+
+static struct res_common *alloc_mtt_tr(int id, int order)
+{
+	struct res_mtt *ret;
+
+	ret = kzalloc(sizeof *ret, GFP_KERNEL);
+	if (!ret)
+		return NULL;
+
+	ret->com.res_id = id;
+	ret->order = order;
+	ret->com.state = RES_MTT_ALLOCATED;
+	atomic_set(&ret->ref_count, 0);
+
+	return &ret->com;
+}
+
+static struct res_common *alloc_mpt_tr(int id, int key)
+{
+	struct res_mpt *ret;
+
+	ret = kzalloc(sizeof *ret, GFP_KERNEL);
+	if (!ret)
+		return NULL;
+
+	ret->com.res_id = id;
+	ret->com.state = RES_MPT_RESERVED;
+	ret->key = key;
+
+	return &ret->com;
+}
+
+static struct res_common *alloc_eq_tr(int id)
+{
+	struct res_eq *ret;
+
+	ret = kzalloc(sizeof *ret, GFP_KERNEL);
+	if (!ret)
+		return NULL;
+
+	ret->com.res_id = id;
+	ret->com.state = RES_EQ_RESERVED;
+
+	return &ret->com;
+}
+
+static struct res_common *alloc_cq_tr(int id)
+{
+	struct res_cq *ret;
+
+	ret = kzalloc(sizeof *ret, GFP_KERNEL);
+	if (!ret)
+		return NULL;
+
+	ret->com.res_id = id;
+	ret->com.state = RES_CQ_ALLOCATED;
+	atomic_set(&ret->ref_count, 0);
+
+	return &ret->com;
+}
+
+static struct res_common *alloc_srq_tr(int id)
+{
+	struct res_srq *ret;
+
+	ret = kzalloc(sizeof *ret, GFP_KERNEL);
+	if (!ret)
+		return NULL;
+
+	ret->com.res_id = id;
+	ret->com.state = RES_SRQ_ALLOCATED;
+	atomic_set(&ret->ref_count, 0);
+
+	return &ret->com;
+}
+
+static struct res_common *alloc_counter_tr(int id)
+{
+	struct res_counter *ret;
+
+	ret = kzalloc(sizeof *ret, GFP_KERNEL);
+	if (!ret)
+		return NULL;
+
+	ret->com.res_id = id;
+	ret->com.state = RES_COUNTER_ALLOCATED;
+
+	return &ret->com;
+}
+
+static struct res_common *alloc_xrcdn_tr(int id)
+{
+	struct res_xrcdn *ret;
+
+	ret = kzalloc(sizeof *ret, GFP_KERNEL);
+	if (!ret)
+		return NULL;
+
+	ret->com.res_id = id;
+	ret->com.state = RES_XRCD_ALLOCATED;
+
+	return &ret->com;
+}
+
+static struct res_common *alloc_fs_rule_tr(u64 id, int qpn)
+{
+	struct res_fs_rule *ret;
+
+	ret = kzalloc(sizeof *ret, GFP_KERNEL);
+	if (!ret)
+		return NULL;
+
+	ret->com.res_id = id;
+	ret->com.state = RES_FS_RULE_ALLOCATED;
+	ret->qpn = qpn;
+	return &ret->com;
+}
+
+static struct res_common *alloc_tr(u64 id, enum mlx4_resource type, int slave,
+				   int extra)
+{
+	struct res_common *ret;
+
+	switch (type) {
+	case RES_QP:
+		ret = alloc_qp_tr(id);
+		break;
+	case RES_MPT:
+		ret = alloc_mpt_tr(id, extra);
+		break;
+	case RES_MTT:
+		ret = alloc_mtt_tr(id, extra);
+		break;
+	case RES_EQ:
+		ret = alloc_eq_tr(id);
+		break;
+	case RES_CQ:
+		ret = alloc_cq_tr(id);
+		break;
+	case RES_SRQ:
+		ret = alloc_srq_tr(id);
+		break;
+	case RES_MAC:
+		printk(KERN_ERR "implementation missing\n");
+		return NULL;
+	case RES_COUNTER:
+		ret = alloc_counter_tr(id);
+		break;
+	case RES_XRCD:
+		ret = alloc_xrcdn_tr(id);
+		break;
+	case RES_FS_RULE:
+		ret = alloc_fs_rule_tr(id, extra);
+		break;
+	default:
+		return NULL;
+	}
+	if (ret)
+		ret->owner = slave;
+
+	return ret;
+}
+
+static int add_res_range(struct mlx4_dev *dev, int slave, u64 base, int count,
+			 enum mlx4_resource type, int extra)
+{
+	int i;
+	int err;
+	struct mlx4_priv *priv = mlx4_priv(dev);
+	struct res_common **res_arr;
+	struct mlx4_resource_tracker *tracker = &priv->mfunc.master.res_tracker;
+	struct rb_root *root = &tracker->res_tree[type];
+
+	res_arr = kzalloc(count * sizeof *res_arr, GFP_KERNEL);
+	if (!res_arr)
+		return -ENOMEM;
+
+	for (i = 0; i < count; ++i) {
+		res_arr[i] = alloc_tr(base + i, type, slave, extra);
+		if (!res_arr[i]) {
+			for (--i; i >= 0; --i)
+				kfree(res_arr[i]);
+
+			kfree(res_arr);
+			return -ENOMEM;
+		}
+	}
+
+	spin_lock_irq(mlx4_tlock(dev));
+	for (i = 0; i < count; ++i) {
+		if (find_res(dev, base + i, type)) {
+			err = -EEXIST;
+			goto undo;
+		}
+		err = res_tracker_insert(root, res_arr[i]);
+		if (err)
+			goto undo;
+		list_add_tail(&res_arr[i]->list,
+			      &tracker->slave_list[slave].res_list[type]);
+	}
+	spin_unlock_irq(mlx4_tlock(dev));
+	kfree(res_arr);
+
+	return 0;
+
+undo:
+	for (--i; i >= base; --i)
+		rb_erase(&res_arr[i]->node, root);
+
+	spin_unlock_irq(mlx4_tlock(dev));
+
+	for (i = 0; i < count; ++i)
+		kfree(res_arr[i]);
+
+	kfree(res_arr);
+
+	return err;
+}
+
+static int remove_qp_ok(struct res_qp *res)
+{
+	if (res->com.state == RES_QP_BUSY || atomic_read(&res->ref_count) ||
+	    !list_empty(&res->mcg_list)) {
+		pr_err("resource tracker: fail to remove qp, state %d, ref_count %d\n",
+		       res->com.state, atomic_read(&res->ref_count));
+		return -EBUSY;
+	} else if (res->com.state != RES_QP_RESERVED) {
+		return -EPERM;
+	}
+
+	return 0;
+}
+
+static int remove_mtt_ok(struct res_mtt *res, int order)
+{
+	if (res->com.state == RES_MTT_BUSY ||
+	    atomic_read(&res->ref_count)) {
+		printk(KERN_DEBUG "%s-%d: state %s, ref_count %d\n",
+		       __func__, __LINE__,
+		       mtt_states_str(res->com.state),
+		       atomic_read(&res->ref_count));
+		return -EBUSY;
+	} else if (res->com.state != RES_MTT_ALLOCATED)
+		return -EPERM;
+	else if (res->order != order)
+		return -EINVAL;
+
+	return 0;
+}
+
+static int remove_mpt_ok(struct res_mpt *res)
+{
+	if (res->com.state == RES_MPT_BUSY)
+		return -EBUSY;
+	else if (res->com.state != RES_MPT_RESERVED)
+		return -EPERM;
+
+	return 0;
+}
+
+static int remove_eq_ok(struct res_eq *res)
+{
+	if (res->com.state == RES_MPT_BUSY)
+		return -EBUSY;
+	else if (res->com.state != RES_MPT_RESERVED)
+		return -EPERM;
+
+	return 0;
+}
+
+static int remove_counter_ok(struct res_counter *res)
+{
+	if (res->com.state == RES_COUNTER_BUSY)
+		return -EBUSY;
+	else if (res->com.state != RES_COUNTER_ALLOCATED)
+		return -EPERM;
+
+	return 0;
+}
+
+static int remove_xrcdn_ok(struct res_xrcdn *res)
+{
+	if (res->com.state == RES_XRCD_BUSY)
+		return -EBUSY;
+	else if (res->com.state != RES_XRCD_ALLOCATED)
+		return -EPERM;
+
+	return 0;
+}
+
+static int remove_fs_rule_ok(struct res_fs_rule *res)
+{
+	if (res->com.state == RES_FS_RULE_BUSY)
+		return -EBUSY;
+	else if (res->com.state != RES_FS_RULE_ALLOCATED)
+		return -EPERM;
+
+	return 0;
+}
+
+static int remove_cq_ok(struct res_cq *res)
+{
+	if (res->com.state == RES_CQ_BUSY)
+		return -EBUSY;
+	else if (res->com.state != RES_CQ_ALLOCATED)
+		return -EPERM;
+
+	return 0;
+}
+
+static int remove_srq_ok(struct res_srq *res)
+{
+	if (res->com.state == RES_SRQ_BUSY)
+		return -EBUSY;
+	else if (res->com.state != RES_SRQ_ALLOCATED)
+		return -EPERM;
+
+	return 0;
+}
+
+static int remove_ok(struct res_common *res, enum mlx4_resource type, int extra)
+{
+	switch (type) {
+	case RES_QP:
+		return remove_qp_ok((struct res_qp *)res);
+	case RES_CQ:
+		return remove_cq_ok((struct res_cq *)res);
+	case RES_SRQ:
+		return remove_srq_ok((struct res_srq *)res);
+	case RES_MPT:
+		return remove_mpt_ok((struct res_mpt *)res);
+	case RES_MTT:
+		return remove_mtt_ok((struct res_mtt *)res, extra);
+	case RES_MAC:
+		return -ENOSYS;
+	case RES_EQ:
+		return remove_eq_ok((struct res_eq *)res);
+	case RES_COUNTER:
+		return remove_counter_ok((struct res_counter *)res);
+	case RES_XRCD:
+		return remove_xrcdn_ok((struct res_xrcdn *)res);
+	case RES_FS_RULE:
+		return remove_fs_rule_ok((struct res_fs_rule *)res);
+	default:
+		return -EINVAL;
+	}
+}
+
+static int rem_res_range(struct mlx4_dev *dev, int slave, u64 base, int count,
+			 enum mlx4_resource type, int extra)
+{
+	u64 i;
+	int err;
+	struct mlx4_priv *priv = mlx4_priv(dev);
+	struct mlx4_resource_tracker *tracker = &priv->mfunc.master.res_tracker;
+	struct res_common *r;
+
+	spin_lock_irq(mlx4_tlock(dev));
+	for (i = base; i < base + count; ++i) {
+		r = res_tracker_lookup(&tracker->res_tree[type], i);
+		if (!r) {
+			err = -ENOENT;
+			goto out;
+		}
+		if (r->owner != slave) {
+			err = -EPERM;
+			goto out;
+		}
+		err = remove_ok(r, type, extra);
+		if (err)
+			goto out;
+	}
+
+	for (i = base; i < base + count; ++i) {
+		r = res_tracker_lookup(&tracker->res_tree[type], i);
+		rb_erase(&r->node, &tracker->res_tree[type]);
+		list_del(&r->list);
+		kfree(r);
+	}
+	err = 0;
+
+out:
+	spin_unlock_irq(mlx4_tlock(dev));
+
+	return err;
+}
+
+static int qp_res_start_move_to(struct mlx4_dev *dev, int slave, int qpn,
+				enum res_qp_states state, struct res_qp **qp,
+				int alloc)
+{
+	struct mlx4_priv *priv = mlx4_priv(dev);
+	struct mlx4_resource_tracker *tracker = &priv->mfunc.master.res_tracker;
+	struct res_qp *r;
+	int err = 0;
+
+	spin_lock_irq(mlx4_tlock(dev));
+	r = res_tracker_lookup(&tracker->res_tree[RES_QP], qpn);
+	if (!r)
+		err = -ENOENT;
+	else if (r->com.owner != slave)
+		err = -EPERM;
+	else {
+		switch (state) {
+		case RES_QP_BUSY:
+			mlx4_dbg(dev, "%s: failed RES_QP, 0x%llx\n",
+				 __func__, r->com.res_id);
+			err = -EBUSY;
+			break;
+
+		case RES_QP_RESERVED:
+			if (r->com.state == RES_QP_MAPPED && !alloc)
+				break;
+
+			mlx4_dbg(dev, "failed RES_QP, 0x%llx\n", r->com.res_id);
+			err = -EINVAL;
+			break;
+
+		case RES_QP_MAPPED:
+			if ((r->com.state == RES_QP_RESERVED && alloc) ||
+			    r->com.state == RES_QP_HW)
+				break;
+			else {
+				mlx4_dbg(dev, "failed RES_QP, 0x%llx\n",
+					  r->com.res_id);
+				err = -EINVAL;
+			}
+
+			break;
+
+		case RES_QP_HW:
+			if (r->com.state != RES_QP_MAPPED)
+				err = -EINVAL;
+			break;
+		default:
+			err = -EINVAL;
+		}
+
+		if (!err) {
+			r->com.from_state = r->com.state;
+			r->com.to_state = state;
+			r->com.state = RES_QP_BUSY;
+			if (qp)
+				*qp = r;
+		}
+	}
+
+	spin_unlock_irq(mlx4_tlock(dev));
+
+	return err;
+}
+
+static int mr_res_start_move_to(struct mlx4_dev *dev, int slave, int index,
+				enum res_mpt_states state, struct res_mpt **mpt)
+{
+	struct mlx4_priv *priv = mlx4_priv(dev);
+	struct mlx4_resource_tracker *tracker = &priv->mfunc.master.res_tracker;
+	struct res_mpt *r;
+	int err = 0;
+
+	spin_lock_irq(mlx4_tlock(dev));
+	r = res_tracker_lookup(&tracker->res_tree[RES_MPT], index);
+	if (!r)
+		err = -ENOENT;
+	else if (r->com.owner != slave)
+		err = -EPERM;
+	else {
+		switch (state) {
+		case RES_MPT_BUSY:
+			err = -EINVAL;
+			break;
+
+		case RES_MPT_RESERVED:
+			if (r->com.state != RES_MPT_MAPPED)
+				err = -EINVAL;
+			break;
+
+		case RES_MPT_MAPPED:
+			if (r->com.state != RES_MPT_RESERVED &&
+			    r->com.state != RES_MPT_HW)
+				err = -EINVAL;
+			break;
+
+		case RES_MPT_HW:
+			if (r->com.state != RES_MPT_MAPPED)
+				err = -EINVAL;
+			break;
+		default:
+			err = -EINVAL;
+		}
+
+		if (!err) {
+			r->com.from_state = r->com.state;
+			r->com.to_state = state;
+			r->com.state = RES_MPT_BUSY;
+			if (mpt)
+				*mpt = r;
+		}
+	}
+
+	spin_unlock_irq(mlx4_tlock(dev));
+
+	return err;
+}
+
+static int eq_res_start_move_to(struct mlx4_dev *dev, int slave, int index,
+				enum res_eq_states state, struct res_eq **eq)
+{
+	struct mlx4_priv *priv = mlx4_priv(dev);
+	struct mlx4_resource_tracker *tracker = &priv->mfunc.master.res_tracker;
+	struct res_eq *r;
+	int err = 0;
+
+	spin_lock_irq(mlx4_tlock(dev));
+	r = res_tracker_lookup(&tracker->res_tree[RES_EQ], index);
+	if (!r)
+		err = -ENOENT;
+	else if (r->com.owner != slave)
+		err = -EPERM;
+	else {
+		switch (state) {
+		case RES_EQ_BUSY:
+			err = -EINVAL;
+			break;
+
+		case RES_EQ_RESERVED:
+			if (r->com.state != RES_EQ_HW)
+				err = -EINVAL;
+			break;
+
+		case RES_EQ_HW:
+			if (r->com.state != RES_EQ_RESERVED)
+				err = -EINVAL;
+			break;
+
+		default:
+			err = -EINVAL;
+		}
+
+		if (!err) {
+			r->com.from_state = r->com.state;
+			r->com.to_state = state;
+			r->com.state = RES_EQ_BUSY;
+			if (eq)
+				*eq = r;
+		}
+	}
+
+	spin_unlock_irq(mlx4_tlock(dev));
+
+	return err;
+}
+
+static int cq_res_start_move_to(struct mlx4_dev *dev, int slave, int cqn,
+				enum res_cq_states state, struct res_cq **cq)
+{
+	struct mlx4_priv *priv = mlx4_priv(dev);
+	struct mlx4_resource_tracker *tracker = &priv->mfunc.master.res_tracker;
+	struct res_cq *r;
+	int err;
+
+	spin_lock_irq(mlx4_tlock(dev));
+	r = res_tracker_lookup(&tracker->res_tree[RES_CQ], cqn);
+	if (!r)
+		err = -ENOENT;
+	else if (r->com.owner != slave)
+		err = -EPERM;
+	else {
+		switch (state) {
+		case RES_CQ_BUSY:
+			err = -EBUSY;
+			break;
+
+		case RES_CQ_ALLOCATED:
+			if (r->com.state != RES_CQ_HW)
+				err = -EINVAL;
+			else if (atomic_read(&r->ref_count))
+				err = -EBUSY;
+			else
+				err = 0;
+			break;
+
+		case RES_CQ_HW:
+			if (r->com.state != RES_CQ_ALLOCATED)
+				err = -EINVAL;
+			else
+				err = 0;
+			break;
+
+		default:
+			err = -EINVAL;
+		}
+
+		if (!err) {
+			r->com.from_state = r->com.state;
+			r->com.to_state = state;
+			r->com.state = RES_CQ_BUSY;
+			if (cq)
+				*cq = r;
+		}
+	}
+
+	spin_unlock_irq(mlx4_tlock(dev));
+
+	return err;
+}
+
+static int srq_res_start_move_to(struct mlx4_dev *dev, int slave, int index,
+				 enum res_cq_states state, struct res_srq **srq)
+{
+	struct mlx4_priv *priv = mlx4_priv(dev);
+	struct mlx4_resource_tracker *tracker = &priv->mfunc.master.res_tracker;
+	struct res_srq *r;
+	int err = 0;
+
+	spin_lock_irq(mlx4_tlock(dev));
+	r = res_tracker_lookup(&tracker->res_tree[RES_SRQ], index);
+	if (!r)
+		err = -ENOENT;
+	else if (r->com.owner != slave)
+		err = -EPERM;
+	else {
+		switch (state) {
+		case RES_SRQ_BUSY:
+			err = -EINVAL;
+			break;
+
+		case RES_SRQ_ALLOCATED:
+			if (r->com.state != RES_SRQ_HW)
+				err = -EINVAL;
+			else if (atomic_read(&r->ref_count))
+				err = -EBUSY;
+			break;
+
+		case RES_SRQ_HW:
+			if (r->com.state != RES_SRQ_ALLOCATED)
+				err = -EINVAL;
+			break;
+
+		default:
+			err = -EINVAL;
+		}
+
+		if (!err) {
+			r->com.from_state = r->com.state;
+			r->com.to_state = state;
+			r->com.state = RES_SRQ_BUSY;
+			if (srq)
+				*srq = r;
+		}
+	}
+
+	spin_unlock_irq(mlx4_tlock(dev));
+
+	return err;
+}
+
+static void res_abort_move(struct mlx4_dev *dev, int slave,
+			   enum mlx4_resource type, int id)
+{
+	struct mlx4_priv *priv = mlx4_priv(dev);
+	struct mlx4_resource_tracker *tracker = &priv->mfunc.master.res_tracker;
+	struct res_common *r;
+
+	spin_lock_irq(mlx4_tlock(dev));
+	r = res_tracker_lookup(&tracker->res_tree[type], id);
+	if (r && (r->owner == slave))
+		r->state = r->from_state;
+	spin_unlock_irq(mlx4_tlock(dev));
+}
+
+static void res_end_move(struct mlx4_dev *dev, int slave,
+			 enum mlx4_resource type, int id)
+{
+	struct mlx4_priv *priv = mlx4_priv(dev);
+	struct mlx4_resource_tracker *tracker = &priv->mfunc.master.res_tracker;
+	struct res_common *r;
+
+	spin_lock_irq(mlx4_tlock(dev));
+	r = res_tracker_lookup(&tracker->res_tree[type], id);
+	if (r && (r->owner == slave))
+		r->state = r->to_state;
+	spin_unlock_irq(mlx4_tlock(dev));
+}
+
+static int valid_reserved(struct mlx4_dev *dev, int slave, int qpn)
+{
+	return mlx4_is_qp_reserved(dev, qpn) &&
+		(mlx4_is_master(dev) || mlx4_is_guest_proxy(dev, slave, qpn));
+}
+
+static int fw_reserved(struct mlx4_dev *dev, int qpn)
+{
+	return qpn < dev->caps.reserved_qps_cnt[MLX4_QP_REGION_FW];
+}
+
+static int qp_alloc_res(struct mlx4_dev *dev, int slave, int op, int cmd,
+			u64 in_param, u64 *out_param)
+{
+	int err;
+	int count;
+	int align;
+	int base;
+	int qpn;
+
+	switch (op) {
+	case RES_OP_RESERVE:
+		count = get_param_l(&in_param) & 0xffffff;
+		align = get_param_h(&in_param);
+		err = __mlx4_qp_reserve_range(dev, count, align, &base);
+		if (err)
+			return err;
+
+		err = add_res_range(dev, slave, base, count, RES_QP, 0);
+		if (err) {
+			__mlx4_qp_release_range(dev, base, count);
+			return err;
+		}
+		set_param_l(out_param, base);
+		break;
+	case RES_OP_MAP_ICM:
+		qpn = get_param_l(&in_param) & 0x7fffff;
+		if (valid_reserved(dev, slave, qpn)) {
+			err = add_res_range(dev, slave, qpn, 1, RES_QP, 0);
+			if (err)
+				return err;
+		}
+
+		err = qp_res_start_move_to(dev, slave, qpn, RES_QP_MAPPED,
+					   NULL, 1);
+		if (err)
+			return err;
+
+		if (!fw_reserved(dev, qpn)) {
+			err = __mlx4_qp_alloc_icm(dev, qpn);
+			if (err) {
+				res_abort_move(dev, slave, RES_QP, qpn);
+				return err;
+			}
+		}
+
+		res_end_move(dev, slave, RES_QP, qpn);
+		break;
+
+	default:
+		err = -EINVAL;
+		break;
+	}
+	return err;
+}
+
+static int mtt_alloc_res(struct mlx4_dev *dev, int slave, int op, int cmd,
+			 u64 in_param, u64 *out_param)
+{
+	int err = -EINVAL;
+	int base;
+	int order;
+
+	if (op != RES_OP_RESERVE_AND_MAP)
+		return err;
+
+	order = get_param_l(&in_param);
+	base = __mlx4_alloc_mtt_range(dev, order);
+	if (base == -1)
+		return -ENOMEM;
+
+	err = add_res_range(dev, slave, base, 1, RES_MTT, order);
+	if (err)
+		__mlx4_free_mtt_range(dev, base, order);
+	else
+		set_param_l(out_param, base);
+
+	return err;
+}
+
+static int mpt_alloc_res(struct mlx4_dev *dev, int slave, int op, int cmd,
+			 u64 in_param, u64 *out_param)
+{
+	int err = -EINVAL;
+	int index;
+	int id;
+	struct res_mpt *mpt;
+
+	switch (op) {
+	case RES_OP_RESERVE:
+		index = __mlx4_mpt_reserve(dev);
+		if (index == -1)
+			break;
+		id = index & mpt_mask(dev);
+
+		err = add_res_range(dev, slave, id, 1, RES_MPT, index);
+		if (err) {
+			__mlx4_mpt_release(dev, index);
+			break;
+		}
+		set_param_l(out_param, index);
+		break;
+	case RES_OP_MAP_ICM:
+		index = get_param_l(&in_param);
+		id = index & mpt_mask(dev);
+		err = mr_res_start_move_to(dev, slave, id,
+					   RES_MPT_MAPPED, &mpt);
+		if (err)
+			return err;
+
+		err = __mlx4_mpt_alloc_icm(dev, mpt->key);
+		if (err) {
+			res_abort_move(dev, slave, RES_MPT, id);
+			return err;
+		}
+
+		res_end_move(dev, slave, RES_MPT, id);
+		break;
+	}
+	return err;
+}
+
+static int cq_alloc_res(struct mlx4_dev *dev, int slave, int op, int cmd,
+			u64 in_param, u64 *out_param)
+{
+	int cqn;
+	int err;
+
+	switch (op) {
+	case RES_OP_RESERVE_AND_MAP:
+		err = __mlx4_cq_alloc_icm(dev, &cqn);
+		if (err)
+			break;
+
+		err = add_res_range(dev, slave, cqn, 1, RES_CQ, 0);
+		if (err) {
+			__mlx4_cq_free_icm(dev, cqn);
+			break;
+		}
+
+		set_param_l(out_param, cqn);
+		break;
+
+	default:
+		err = -EINVAL;
+	}
+
+	return err;
+}
+
+static int srq_alloc_res(struct mlx4_dev *dev, int slave, int op, int cmd,
+			 u64 in_param, u64 *out_param)
+{
+	int srqn;
+	int err;
+
+	switch (op) {
+	case RES_OP_RESERVE_AND_MAP:
+		err = __mlx4_srq_alloc_icm(dev, &srqn);
+		if (err)
+			break;
+
+		err = add_res_range(dev, slave, srqn, 1, RES_SRQ, 0);
+		if (err) {
+			__mlx4_srq_free_icm(dev, srqn);
+			break;
+		}
+
+		set_param_l(out_param, srqn);
+		break;
+
+	default:
+		err = -EINVAL;
+	}
+
+	return err;
+}
+
+static int mac_add_to_slave(struct mlx4_dev *dev, int slave, u64 mac, int port)
+{
+	struct mlx4_priv *priv = mlx4_priv(dev);
+	struct mlx4_resource_tracker *tracker = &priv->mfunc.master.res_tracker;
+	struct mac_res *res;
+
+	res = kzalloc(sizeof *res, GFP_KERNEL);
+	if (!res)
+		return -ENOMEM;
+	res->mac = mac;
+	res->port = (u8) port;
+	list_add_tail(&res->list,
+		      &tracker->slave_list[slave].res_list[RES_MAC]);
+	return 0;
+}
+
+static void mac_del_from_slave(struct mlx4_dev *dev, int slave, u64 mac,
+			       int port)
+{
+	struct mlx4_priv *priv = mlx4_priv(dev);
+	struct mlx4_resource_tracker *tracker = &priv->mfunc.master.res_tracker;
+	struct list_head *mac_list =
+		&tracker->slave_list[slave].res_list[RES_MAC];
+	struct mac_res *res, *tmp;
+
+	list_for_each_entry_safe(res, tmp, mac_list, list) {
+		if (res->mac == mac && res->port == (u8) port) {
+			list_del(&res->list);
+			kfree(res);
+			break;
+		}
+	}
+}
+
+static void rem_slave_macs(struct mlx4_dev *dev, int slave)
+{
+	struct mlx4_priv *priv = mlx4_priv(dev);
+	struct mlx4_resource_tracker *tracker = &priv->mfunc.master.res_tracker;
+	struct list_head *mac_list =
+		&tracker->slave_list[slave].res_list[RES_MAC];
+	struct mac_res *res, *tmp;
+
+	list_for_each_entry_safe(res, tmp, mac_list, list) {
+		list_del(&res->list);
+		__mlx4_unregister_mac(dev, res->port, res->mac);
+		kfree(res);
+	}
+}
+
+static int mac_alloc_res(struct mlx4_dev *dev, int slave, int op, int cmd,
+			 u64 in_param, u64 *out_param)
+{
+	int err = -EINVAL;
+	int port;
+	u64 mac;
+
+	if (op != RES_OP_RESERVE_AND_MAP)
+		return err;
+
+	port = get_param_l(out_param);
+	mac = in_param;
+
+	err = __mlx4_register_mac(dev, port, mac);
+	if (err >= 0) {
+		set_param_l(out_param, err);
+		err = 0;
+	}
+
+	if (!err) {
+		err = mac_add_to_slave(dev, slave, mac, port);
+		if (err)
+			__mlx4_unregister_mac(dev, port, mac);
+	}
+	return err;
+}
+
+static int vlan_alloc_res(struct mlx4_dev *dev, int slave, int op, int cmd,
+			 u64 in_param, u64 *out_param)
+{
+	return 0;
+}
+
+static int counter_alloc_res(struct mlx4_dev *dev, int slave, int op, int cmd,
+			     u64 in_param, u64 *out_param)
+{
+	u32 index;
+	int err;
+
+	if (op != RES_OP_RESERVE)
+		return -EINVAL;
+
+	err = __mlx4_counter_alloc(dev, &index);
+	if (err)
+		return err;
+
+	err = add_res_range(dev, slave, index, 1, RES_COUNTER, 0);
+	if (err)
+		__mlx4_counter_free(dev, index);
+	else
+		set_param_l(out_param, index);
+
+	return err;
+}
+
+static int xrcdn_alloc_res(struct mlx4_dev *dev, int slave, int op, int cmd,
+			   u64 in_param, u64 *out_param)
+{
+	u32 xrcdn;
+	int err;
+
+	if (op != RES_OP_RESERVE)
+		return -EINVAL;
+
+	err = __mlx4_xrcd_alloc(dev, &xrcdn);
+	if (err)
+		return err;
+
+	err = add_res_range(dev, slave, xrcdn, 1, RES_XRCD, 0);
+	if (err)
+		__mlx4_xrcd_free(dev, xrcdn);
+	else
+		set_param_l(out_param, xrcdn);
+
+	return err;
+}
+
+int mlx4_ALLOC_RES_wrapper(struct mlx4_dev *dev, int slave,
+			   struct mlx4_vhcr *vhcr,
+			   struct mlx4_cmd_mailbox *inbox,
+			   struct mlx4_cmd_mailbox *outbox,
+			   struct mlx4_cmd_info *cmd)
+{
+	int err;
+	int alop = vhcr->op_modifier;
+
+	switch (vhcr->in_modifier) {
+	case RES_QP:
+		err = qp_alloc_res(dev, slave, vhcr->op_modifier, alop,
+				   vhcr->in_param, &vhcr->out_param);
+		break;
+
+	case RES_MTT:
+		err = mtt_alloc_res(dev, slave, vhcr->op_modifier, alop,
+				    vhcr->in_param, &vhcr->out_param);
+		break;
+
+	case RES_MPT:
+		err = mpt_alloc_res(dev, slave, vhcr->op_modifier, alop,
+				    vhcr->in_param, &vhcr->out_param);
+		break;
+
+	case RES_CQ:
+		err = cq_alloc_res(dev, slave, vhcr->op_modifier, alop,
+				   vhcr->in_param, &vhcr->out_param);
+		break;
+
+	case RES_SRQ:
+		err = srq_alloc_res(dev, slave, vhcr->op_modifier, alop,
+				    vhcr->in_param, &vhcr->out_param);
+		break;
+
+	case RES_MAC:
+		err = mac_alloc_res(dev, slave, vhcr->op_modifier, alop,
+				    vhcr->in_param, &vhcr->out_param);
+		break;
+
+	case RES_VLAN:
+		err = vlan_alloc_res(dev, slave, vhcr->op_modifier, alop,
+				    vhcr->in_param, &vhcr->out_param);
+		break;
+
+	case RES_COUNTER:
+		err = counter_alloc_res(dev, slave, vhcr->op_modifier, alop,
+					vhcr->in_param, &vhcr->out_param);
+		break;
+
+	case RES_XRCD:
+		err = xrcdn_alloc_res(dev, slave, vhcr->op_modifier, alop,
+				      vhcr->in_param, &vhcr->out_param);
+		break;
+
+	default:
+		err = -EINVAL;
+		break;
+	}
+
+	return err;
+}
+
+static int qp_free_res(struct mlx4_dev *dev, int slave, int op, int cmd,
+		       u64 in_param)
+{
+	int err;
+	int count;
+	int base;
+	int qpn;
+
+	switch (op) {
+	case RES_OP_RESERVE:
+		base = get_param_l(&in_param) & 0x7fffff;
+		count = get_param_h(&in_param);
+		err = rem_res_range(dev, slave, base, count, RES_QP, 0);
+		if (err)
+			break;
+		__mlx4_qp_release_range(dev, base, count);
+		break;
+	case RES_OP_MAP_ICM:
+		qpn = get_param_l(&in_param) & 0x7fffff;
+		err = qp_res_start_move_to(dev, slave, qpn, RES_QP_RESERVED,
+					   NULL, 0);
+		if (err)
+			return err;
+
+		if (!fw_reserved(dev, qpn))
+			__mlx4_qp_free_icm(dev, qpn);
+
+		res_end_move(dev, slave, RES_QP, qpn);
+
+		if (valid_reserved(dev, slave, qpn))
+			err = rem_res_range(dev, slave, qpn, 1, RES_QP, 0);
+		break;
+	default:
+		err = -EINVAL;
+		break;
+	}
+	return err;
+}
+
+static int mtt_free_res(struct mlx4_dev *dev, int slave, int op, int cmd,
+			u64 in_param, u64 *out_param)
+{
+	int err = -EINVAL;
+	int base;
+	int order;
+
+	if (op != RES_OP_RESERVE_AND_MAP)
+		return err;
+
+	base = get_param_l(&in_param);
+	order = get_param_h(&in_param);
+	err = rem_res_range(dev, slave, base, 1, RES_MTT, order);
+	if (!err)
+		__mlx4_free_mtt_range(dev, base, order);
+	return err;
+}
+
+static int mpt_free_res(struct mlx4_dev *dev, int slave, int op, int cmd,
+			u64 in_param)
+{
+	int err = -EINVAL;
+	int index;
+	int id;
+	struct res_mpt *mpt;
+
+	switch (op) {
+	case RES_OP_RESERVE:
+		index = get_param_l(&in_param);
+		id = index & mpt_mask(dev);
+		err = get_res(dev, slave, id, RES_MPT, &mpt);
+		if (err)
+			break;
+		index = mpt->key;
+		put_res(dev, slave, id, RES_MPT);
+
+		err = rem_res_range(dev, slave, id, 1, RES_MPT, 0);
+		if (err)
+			break;
+		__mlx4_mpt_release(dev, index);
+		break;
+	case RES_OP_MAP_ICM:
+			index = get_param_l(&in_param);
+			id = index & mpt_mask(dev);
+			err = mr_res_start_move_to(dev, slave, id,
+						   RES_MPT_RESERVED, &mpt);
+			if (err)
+				return err;
+
+			__mlx4_mpt_free_icm(dev, mpt->key);
+			res_end_move(dev, slave, RES_MPT, id);
+			return err;
+		break;
+	default:
+		err = -EINVAL;
+		break;
+	}
+	return err;
+}
+
+static int cq_free_res(struct mlx4_dev *dev, int slave, int op, int cmd,
+		       u64 in_param, u64 *out_param)
+{
+	int cqn;
+	int err;
+
+	switch (op) {
+	case RES_OP_RESERVE_AND_MAP:
+		cqn = get_param_l(&in_param);
+		err = rem_res_range(dev, slave, cqn, 1, RES_CQ, 0);
+		if (err)
+			break;
+
+		__mlx4_cq_free_icm(dev, cqn);
+		break;
+
+	default:
+		err = -EINVAL;
+		break;
+	}
+
+	return err;
+}
+
+static int srq_free_res(struct mlx4_dev *dev, int slave, int op, int cmd,
+			u64 in_param, u64 *out_param)
+{
+	int srqn;
+	int err;
+
+	switch (op) {
+	case RES_OP_RESERVE_AND_MAP:
+		srqn = get_param_l(&in_param);
+		err = rem_res_range(dev, slave, srqn, 1, RES_SRQ, 0);
+		if (err)
+			break;
+
+		__mlx4_srq_free_icm(dev, srqn);
+		break;
+
+	default:
+		err = -EINVAL;
+		break;
+	}
+
+	return err;
+}
+
+static int mac_free_res(struct mlx4_dev *dev, int slave, int op, int cmd,
+			    u64 in_param, u64 *out_param)
+{
+	int port;
+	int err = 0;
+
+	switch (op) {
+	case RES_OP_RESERVE_AND_MAP:
+		port = get_param_l(out_param);
+		mac_del_from_slave(dev, slave, in_param, port);
+		__mlx4_unregister_mac(dev, port, in_param);
+		break;
+	default:
+		err = -EINVAL;
+		break;
+	}
+
+	return err;
+
+}
+
+static int vlan_free_res(struct mlx4_dev *dev, int slave, int op, int cmd,
+			    u64 in_param, u64 *out_param)
+{
+	return 0;
+}
+
+static int counter_free_res(struct mlx4_dev *dev, int slave, int op, int cmd,
+			    u64 in_param, u64 *out_param)
+{
+	int index;
+	int err;
+
+	if (op != RES_OP_RESERVE)
+		return -EINVAL;
+
+	index = get_param_l(&in_param);
+	err = rem_res_range(dev, slave, index, 1, RES_COUNTER, 0);
+	if (err)
+		return err;
+
+	__mlx4_counter_free(dev, index);
+
+	return err;
+}
+
+static int xrcdn_free_res(struct mlx4_dev *dev, int slave, int op, int cmd,
+			  u64 in_param, u64 *out_param)
+{
+	int xrcdn;
+	int err;
+
+	if (op != RES_OP_RESERVE)
+		return -EINVAL;
+
+	xrcdn = get_param_l(&in_param);
+	err = rem_res_range(dev, slave, xrcdn, 1, RES_XRCD, 0);
+	if (err)
+		return err;
+
+	__mlx4_xrcd_free(dev, xrcdn);
+
+	return err;
+}
+
+int mlx4_FREE_RES_wrapper(struct mlx4_dev *dev, int slave,
+			  struct mlx4_vhcr *vhcr,
+			  struct mlx4_cmd_mailbox *inbox,
+			  struct mlx4_cmd_mailbox *outbox,
+			  struct mlx4_cmd_info *cmd)
+{
+	int err = -EINVAL;
+	int alop = vhcr->op_modifier;
+
+	switch (vhcr->in_modifier) {
+	case RES_QP:
+		err = qp_free_res(dev, slave, vhcr->op_modifier, alop,
+				  vhcr->in_param);
+		break;
+
+	case RES_MTT:
+		err = mtt_free_res(dev, slave, vhcr->op_modifier, alop,
+				   vhcr->in_param, &vhcr->out_param);
+		break;
+
+	case RES_MPT:
+		err = mpt_free_res(dev, slave, vhcr->op_modifier, alop,
+				   vhcr->in_param);
+		break;
+
+	case RES_CQ:
+		err = cq_free_res(dev, slave, vhcr->op_modifier, alop,
+				  vhcr->in_param, &vhcr->out_param);
+		break;
+
+	case RES_SRQ:
+		err = srq_free_res(dev, slave, vhcr->op_modifier, alop,
+				   vhcr->in_param, &vhcr->out_param);
+		break;
+
+	case RES_MAC:
+		err = mac_free_res(dev, slave, vhcr->op_modifier, alop,
+				   vhcr->in_param, &vhcr->out_param);
+		break;
+
+	case RES_VLAN:
+		err = vlan_free_res(dev, slave, vhcr->op_modifier, alop,
+				   vhcr->in_param, &vhcr->out_param);
+		break;
+
+	case RES_COUNTER:
+		err = counter_free_res(dev, slave, vhcr->op_modifier, alop,
+				       vhcr->in_param, &vhcr->out_param);
+		break;
+
+	case RES_XRCD:
+		err = xrcdn_free_res(dev, slave, vhcr->op_modifier, alop,
+				     vhcr->in_param, &vhcr->out_param);
+
+	default:
+		break;
+	}
+	return err;
+}
+
+/* ugly but other choices are uglier */
+static int mr_phys_mpt(struct mlx4_mpt_entry *mpt)
+{
+	return (be32_to_cpu(mpt->flags) >> 9) & 1;
+}
+
+static int mr_get_mtt_addr(struct mlx4_mpt_entry *mpt)
+{
+	return (int)be64_to_cpu(mpt->mtt_addr) & 0xfffffff8;
+}
+
+static int mr_get_mtt_size(struct mlx4_mpt_entry *mpt)
+{
+	return be32_to_cpu(mpt->mtt_sz);
+}
+
+static u32 mr_get_pd(struct mlx4_mpt_entry *mpt)
+{
+	return be32_to_cpu(mpt->pd_flags) & 0x00ffffff;
+}
+
+static int mr_is_fmr(struct mlx4_mpt_entry *mpt)
+{
+	return be32_to_cpu(mpt->pd_flags) & MLX4_MPT_PD_FLAG_FAST_REG;
+}
+
+static int mr_is_bind_enabled(struct mlx4_mpt_entry *mpt)
+{
+	return be32_to_cpu(mpt->flags) & MLX4_MPT_FLAG_BIND_ENABLE;
+}
+
+static int mr_is_region(struct mlx4_mpt_entry *mpt)
+{
+	return be32_to_cpu(mpt->flags) & MLX4_MPT_FLAG_REGION;
+}
+
+static int qp_get_mtt_addr(struct mlx4_qp_context *qpc)
+{
+	return be32_to_cpu(qpc->mtt_base_addr_l) & 0xfffffff8;
+}
+
+static int srq_get_mtt_addr(struct mlx4_srq_context *srqc)
+{
+	return be32_to_cpu(srqc->mtt_base_addr_l) & 0xfffffff8;
+}
+
+static int qp_get_mtt_size(struct mlx4_qp_context *qpc)
+{
+	int page_shift = (qpc->log_page_size & 0x3f) + 12;
+	int log_sq_size = (qpc->sq_size_stride >> 3) & 0xf;
+	int log_sq_sride = qpc->sq_size_stride & 7;
+	int log_rq_size = (qpc->rq_size_stride >> 3) & 0xf;
+	int log_rq_stride = qpc->rq_size_stride & 7;
+	int srq = (be32_to_cpu(qpc->srqn) >> 24) & 1;
+	int rss = (be32_to_cpu(qpc->flags) >> 13) & 1;
+	int xrc = (be32_to_cpu(qpc->local_qpn) >> 23) & 1;
+	int sq_size;
+	int rq_size;
+	int total_pages;
+	int total_mem;
+	int page_offset = (be32_to_cpu(qpc->params2) >> 6) & 0x3f;
+
+	sq_size = 1 << (log_sq_size + log_sq_sride + 4);
+	rq_size = (srq|rss|xrc) ? 0 : (1 << (log_rq_size + log_rq_stride + 4));
+	total_mem = sq_size + rq_size;
+	total_pages =
+		roundup_pow_of_two((total_mem + (page_offset << 6)) >>
+				   page_shift);
+
+	return total_pages;
+}
+
+static int check_mtt_range(struct mlx4_dev *dev, int slave, int start,
+			   int size, struct res_mtt *mtt)
+{
+	int res_start = mtt->com.res_id;
+	int res_size = (1 << mtt->order);
+
+	if (start < res_start || start + size > res_start + res_size)
+		return -EPERM;
+	return 0;
+}
+
+int mlx4_SW2HW_MPT_wrapper(struct mlx4_dev *dev, int slave,
+			   struct mlx4_vhcr *vhcr,
+			   struct mlx4_cmd_mailbox *inbox,
+			   struct mlx4_cmd_mailbox *outbox,
+			   struct mlx4_cmd_info *cmd)
+{
+	int err;
+	int index = vhcr->in_modifier;
+	struct res_mtt *mtt;
+	struct res_mpt *mpt;
+	int mtt_base = mr_get_mtt_addr(inbox->buf) / dev->caps.mtt_entry_sz;
+	int phys;
+	int id;
+	u32 pd;
+	int pd_slave;
+
+	id = index & mpt_mask(dev);
+	err = mr_res_start_move_to(dev, slave, id, RES_MPT_HW, &mpt);
+	if (err)
+		return err;
+
+	/* Disable memory windows for VFs. */
+	if (!mr_is_region(inbox->buf)) {
+		err = -EPERM;
+		goto ex_abort;
+	}
+
+	/* Make sure that the PD bits related to the slave id are zeros. */
+	pd = mr_get_pd(inbox->buf);
+	pd_slave = (pd >> 17) & 0x7f;
+	if (pd_slave != 0 && pd_slave != slave) {
+		err = -EPERM;
+		goto ex_abort;
+	}
+
+	if (mr_is_fmr(inbox->buf)) {
+		/* FMR and Bind Enable are forbidden in slave devices. */
+		if (mr_is_bind_enabled(inbox->buf)) {
+			err = -EPERM;
+			goto ex_abort;
+		}
+		/* FMR and Memory Windows are also forbidden. */
+		if (!mr_is_region(inbox->buf)) {
+			err = -EPERM;
+			goto ex_abort;
+		}
+	}
+
+	phys = mr_phys_mpt(inbox->buf);
+	if (!phys) {
+		err = get_res(dev, slave, mtt_base, RES_MTT, &mtt);
+		if (err)
+			goto ex_abort;
+
+		err = check_mtt_range(dev, slave, mtt_base,
+				      mr_get_mtt_size(inbox->buf), mtt);
+		if (err)
+			goto ex_put;
+
+		mpt->mtt = mtt;
+	}
+
+	err = mlx4_DMA_wrapper(dev, slave, vhcr, inbox, outbox, cmd);
+	if (err)
+		goto ex_put;
+
+	if (!phys) {
+		atomic_inc(&mtt->ref_count);
+		put_res(dev, slave, mtt->com.res_id, RES_MTT);
+	}
+
+	res_end_move(dev, slave, RES_MPT, id);
+	return 0;
+
+ex_put:
+	if (!phys)
+		put_res(dev, slave, mtt->com.res_id, RES_MTT);
+ex_abort:
+	res_abort_move(dev, slave, RES_MPT, id);
+
+	return err;
+}
+
+int mlx4_HW2SW_MPT_wrapper(struct mlx4_dev *dev, int slave,
+			   struct mlx4_vhcr *vhcr,
+			   struct mlx4_cmd_mailbox *inbox,
+			   struct mlx4_cmd_mailbox *outbox,
+			   struct mlx4_cmd_info *cmd)
+{
+	int err;
+	int index = vhcr->in_modifier;
+	struct res_mpt *mpt;
+	int id;
+
+	id = index & mpt_mask(dev);
+	err = mr_res_start_move_to(dev, slave, id, RES_MPT_MAPPED, &mpt);
+	if (err)
+		return err;
+
+	err = mlx4_DMA_wrapper(dev, slave, vhcr, inbox, outbox, cmd);
+	if (err)
+		goto ex_abort;
+
+	if (mpt->mtt)
+		atomic_dec(&mpt->mtt->ref_count);
+
+	res_end_move(dev, slave, RES_MPT, id);
+	return 0;
+
+ex_abort:
+	res_abort_move(dev, slave, RES_MPT, id);
+
+	return err;
+}
+
+int mlx4_QUERY_MPT_wrapper(struct mlx4_dev *dev, int slave,
+			   struct mlx4_vhcr *vhcr,
+			   struct mlx4_cmd_mailbox *inbox,
+			   struct mlx4_cmd_mailbox *outbox,
+			   struct mlx4_cmd_info *cmd)
+{
+	int err;
+	int index = vhcr->in_modifier;
+	struct res_mpt *mpt;
+	int id;
+
+	id = index & mpt_mask(dev);
+	err = get_res(dev, slave, id, RES_MPT, &mpt);
+	if (err)
+		return err;
+
+	if (mpt->com.from_state != RES_MPT_HW) {
+		err = -EBUSY;
+		goto out;
+	}
+
+	err = mlx4_DMA_wrapper(dev, slave, vhcr, inbox, outbox, cmd);
+
+out:
+	put_res(dev, slave, id, RES_MPT);
+	return err;
+}
+
+static int qp_get_rcqn(struct mlx4_qp_context *qpc)
+{
+	return be32_to_cpu(qpc->cqn_recv) & 0xffffff;
+}
+
+static int qp_get_scqn(struct mlx4_qp_context *qpc)
+{
+	return be32_to_cpu(qpc->cqn_send) & 0xffffff;
+}
+
+static u32 qp_get_srqn(struct mlx4_qp_context *qpc)
+{
+	return be32_to_cpu(qpc->srqn) & 0x1ffffff;
+}
+
+static void adjust_proxy_tun_qkey(struct mlx4_dev *dev, struct mlx4_vhcr *vhcr,
+				  struct mlx4_qp_context *context)
+{
+	u32 qpn = vhcr->in_modifier & 0xffffff;
+	u32 qkey = 0;
+
+	if (mlx4_get_parav_qkey(dev, qpn, &qkey))
+		return;
+
+	/* adjust qkey in qp context */
+	context->qkey = cpu_to_be32(qkey);
+}
+
+int mlx4_RST2INIT_QP_wrapper(struct mlx4_dev *dev, int slave,
+			     struct mlx4_vhcr *vhcr,
+			     struct mlx4_cmd_mailbox *inbox,
+			     struct mlx4_cmd_mailbox *outbox,
+			     struct mlx4_cmd_info *cmd)
+{
+	int err;
+	int qpn = vhcr->in_modifier & 0x7fffff;
+	struct res_mtt *mtt;
+	struct res_qp *qp;
+	struct mlx4_qp_context *qpc = inbox->buf + 8;
+	int mtt_base = qp_get_mtt_addr(qpc) / dev->caps.mtt_entry_sz;
+	int mtt_size = qp_get_mtt_size(qpc);
+	struct res_cq *rcq;
+	struct res_cq *scq;
+	int rcqn = qp_get_rcqn(qpc);
+	int scqn = qp_get_scqn(qpc);
+	u32 srqn = qp_get_srqn(qpc) & 0xffffff;
+	int use_srq = (qp_get_srqn(qpc) >> 24) & 1;
+	struct res_srq *srq;
+	int local_qpn = be32_to_cpu(qpc->local_qpn) & 0xffffff;
+
+	err = qp_res_start_move_to(dev, slave, qpn, RES_QP_HW, &qp, 0);
+	if (err)
+		return err;
+	qp->local_qpn = local_qpn;
+
+	err = get_res(dev, slave, mtt_base, RES_MTT, &mtt);
+	if (err)
+		goto ex_abort;
+
+	err = check_mtt_range(dev, slave, mtt_base, mtt_size, mtt);
+	if (err)
+		goto ex_put_mtt;
+
+	err = get_res(dev, slave, rcqn, RES_CQ, &rcq);
+	if (err)
+		goto ex_put_mtt;
+
+	if (scqn != rcqn) {
+		err = get_res(dev, slave, scqn, RES_CQ, &scq);
+		if (err)
+			goto ex_put_rcq;
+	} else
+		scq = rcq;
+
+	if (use_srq) {
+		err = get_res(dev, slave, srqn, RES_SRQ, &srq);
+		if (err)
+			goto ex_put_scq;
+	}
+
+	adjust_proxy_tun_qkey(dev, vhcr, qpc);
+	update_pkey_index(dev, slave, inbox);
+	err = mlx4_DMA_wrapper(dev, slave, vhcr, inbox, outbox, cmd);
+	if (err)
+		goto ex_put_srq;
+	atomic_inc(&mtt->ref_count);
+	qp->mtt = mtt;
+	atomic_inc(&rcq->ref_count);
+	qp->rcq = rcq;
+	atomic_inc(&scq->ref_count);
+	qp->scq = scq;
+
+	if (scqn != rcqn)
+		put_res(dev, slave, scqn, RES_CQ);
+
+	if (use_srq) {
+		atomic_inc(&srq->ref_count);
+		put_res(dev, slave, srqn, RES_SRQ);
+		qp->srq = srq;
+	}
+	put_res(dev, slave, rcqn, RES_CQ);
+	put_res(dev, slave, mtt_base, RES_MTT);
+	res_end_move(dev, slave, RES_QP, qpn);
+
+	return 0;
+
+ex_put_srq:
+	if (use_srq)
+		put_res(dev, slave, srqn, RES_SRQ);
+ex_put_scq:
+	if (scqn != rcqn)
+		put_res(dev, slave, scqn, RES_CQ);
+ex_put_rcq:
+	put_res(dev, slave, rcqn, RES_CQ);
+ex_put_mtt:
+	put_res(dev, slave, mtt_base, RES_MTT);
+ex_abort:
+	res_abort_move(dev, slave, RES_QP, qpn);
+
+	return err;
+}
+
+static int eq_get_mtt_addr(struct mlx4_eq_context *eqc)
+{
+	return be32_to_cpu(eqc->mtt_base_addr_l) & 0xfffffff8;
+}
+
+static int eq_get_mtt_size(struct mlx4_eq_context *eqc)
+{
+	int log_eq_size = eqc->log_eq_size & 0x1f;
+	int page_shift = (eqc->log_page_size & 0x3f) + 12;
+
+	if (log_eq_size + 5 < page_shift)
+		return 1;
+
+	return 1 << (log_eq_size + 5 - page_shift);
+}
+
+static int cq_get_mtt_addr(struct mlx4_cq_context *cqc)
+{
+	return be32_to_cpu(cqc->mtt_base_addr_l) & 0xfffffff8;
+}
+
+static int cq_get_mtt_size(struct mlx4_cq_context *cqc)
+{
+	int log_cq_size = (be32_to_cpu(cqc->logsize_usrpage) >> 24) & 0x1f;
+	int page_shift = (cqc->log_page_size & 0x3f) + 12;
+
+	if (log_cq_size + 5 < page_shift)
+		return 1;
+
+	return 1 << (log_cq_size + 5 - page_shift);
+}
+
+int mlx4_SW2HW_EQ_wrapper(struct mlx4_dev *dev, int slave,
+			  struct mlx4_vhcr *vhcr,
+			  struct mlx4_cmd_mailbox *inbox,
+			  struct mlx4_cmd_mailbox *outbox,
+			  struct mlx4_cmd_info *cmd)
+{
+	int err;
+	int eqn = vhcr->in_modifier;
+	int res_id = (slave << 8) | eqn;
+	struct mlx4_eq_context *eqc = inbox->buf;
+	int mtt_base = eq_get_mtt_addr(eqc) / dev->caps.mtt_entry_sz;
+	int mtt_size = eq_get_mtt_size(eqc);
+	struct res_eq *eq;
+	struct res_mtt *mtt;
+
+	err = add_res_range(dev, slave, res_id, 1, RES_EQ, 0);
+	if (err)
+		return err;
+	err = eq_res_start_move_to(dev, slave, res_id, RES_EQ_HW, &eq);
+	if (err)
+		goto out_add;
+
+	err = get_res(dev, slave, mtt_base, RES_MTT, &mtt);
+	if (err)
+		goto out_move;
+
+	err = check_mtt_range(dev, slave, mtt_base, mtt_size, mtt);
+	if (err)
+		goto out_put;
+
+	err = mlx4_DMA_wrapper(dev, slave, vhcr, inbox, outbox, cmd);
+	if (err)
+		goto out_put;
+
+	atomic_inc(&mtt->ref_count);
+	eq->mtt = mtt;
+	put_res(dev, slave, mtt->com.res_id, RES_MTT);
+	res_end_move(dev, slave, RES_EQ, res_id);
+	return 0;
+
+out_put:
+	put_res(dev, slave, mtt->com.res_id, RES_MTT);
+out_move:
+	res_abort_move(dev, slave, RES_EQ, res_id);
+out_add:
+	rem_res_range(dev, slave, res_id, 1, RES_EQ, 0);
+	return err;
+}
+
+static int get_containing_mtt(struct mlx4_dev *dev, int slave, int start,
+			      int len, struct res_mtt **res)
+{
+	struct mlx4_priv *priv = mlx4_priv(dev);
+	struct mlx4_resource_tracker *tracker = &priv->mfunc.master.res_tracker;
+	struct res_mtt *mtt;
+	int err = -EINVAL;
+
+	spin_lock_irq(mlx4_tlock(dev));
+	list_for_each_entry(mtt, &tracker->slave_list[slave].res_list[RES_MTT],
+			    com.list) {
+		if (!check_mtt_range(dev, slave, start, len, mtt)) {
+			*res = mtt;
+			mtt->com.from_state = mtt->com.state;
+			mtt->com.state = RES_MTT_BUSY;
+			err = 0;
+			break;
+		}
+	}
+	spin_unlock_irq(mlx4_tlock(dev));
+
+	return err;
+}
+
+static int verify_qp_parameters(struct mlx4_dev *dev,
+				struct mlx4_cmd_mailbox *inbox,
+				enum qp_transition transition, u8 slave)
+{
+	u32			qp_type;
+	struct mlx4_qp_context	*qp_ctx;
+	enum mlx4_qp_optpar	optpar;
+
+	qp_ctx  = inbox->buf + 8;
+	qp_type	= (be32_to_cpu(qp_ctx->flags) >> 16) & 0xff;
+	optpar	= be32_to_cpu(*(__be32 *) inbox->buf);
+
+	switch (qp_type) {
+	case MLX4_QP_ST_RC:
+	case MLX4_QP_ST_UC:
+		switch (transition) {
+		case QP_TRANS_INIT2RTR:
+		case QP_TRANS_RTR2RTS:
+		case QP_TRANS_RTS2RTS:
+		case QP_TRANS_SQD2SQD:
+		case QP_TRANS_SQD2RTS:
+			if (slave != mlx4_master_func_num(dev))
+				/* slaves have only gid index 0 */
+				if (optpar & MLX4_QP_OPTPAR_PRIMARY_ADDR_PATH)
+					if (qp_ctx->pri_path.mgid_index)
+						return -EINVAL;
+				if (optpar & MLX4_QP_OPTPAR_ALT_ADDR_PATH)
+					if (qp_ctx->alt_path.mgid_index)
+						return -EINVAL;
+			break;
+		default:
+			break;
+		}
+
+		break;
+	default:
+		break;
+	}
+
+	return 0;
+}
+
+int mlx4_WRITE_MTT_wrapper(struct mlx4_dev *dev, int slave,
+			   struct mlx4_vhcr *vhcr,
+			   struct mlx4_cmd_mailbox *inbox,
+			   struct mlx4_cmd_mailbox *outbox,
+			   struct mlx4_cmd_info *cmd)
+{
+	struct mlx4_mtt mtt;
+	__be64 *page_list = inbox->buf;
+	u64 *pg_list = (u64 *)page_list;
+	int i;
+	struct res_mtt *rmtt = NULL;
+	int start = be64_to_cpu(page_list[0]);
+	int npages = vhcr->in_modifier;
+	int err;
+
+	err = get_containing_mtt(dev, slave, start, npages, &rmtt);
+	if (err)
+		return err;
+
+	/* Call the SW implementation of write_mtt:
+	 * - Prepare a dummy mtt struct
+	 * - Translate inbox contents to simple addresses in host endianess */
+	mtt.offset = 0;  /* TBD this is broken but I don't handle it since
+			    we don't really use it */
+	mtt.order = 0;
+	mtt.page_shift = 0;
+	for (i = 0; i < npages; ++i)
+		pg_list[i + 2] = (be64_to_cpu(page_list[i + 2]) & ~1ULL);
+
+	err = __mlx4_write_mtt(dev, &mtt, be64_to_cpu(page_list[0]), npages,
+			       ((u64 *)page_list + 2));
+
+	if (rmtt)
+		put_res(dev, slave, rmtt->com.res_id, RES_MTT);
+
+	return err;
+}
+
+int mlx4_HW2SW_EQ_wrapper(struct mlx4_dev *dev, int slave,
+			  struct mlx4_vhcr *vhcr,
+			  struct mlx4_cmd_mailbox *inbox,
+			  struct mlx4_cmd_mailbox *outbox,
+			  struct mlx4_cmd_info *cmd)
+{
+	int eqn = vhcr->in_modifier;
+	int res_id = eqn | (slave << 8);
+	struct res_eq *eq;
+	int err;
+
+	err = eq_res_start_move_to(dev, slave, res_id, RES_EQ_RESERVED, &eq);
+	if (err)
+		return err;
+
+	err = get_res(dev, slave, eq->mtt->com.res_id, RES_MTT, NULL);
+	if (err)
+		goto ex_abort;
+
+	err = mlx4_DMA_wrapper(dev, slave, vhcr, inbox, outbox, cmd);
+	if (err)
+		goto ex_put;
+
+	atomic_dec(&eq->mtt->ref_count);
+	put_res(dev, slave, eq->mtt->com.res_id, RES_MTT);
+	res_end_move(dev, slave, RES_EQ, res_id);
+	rem_res_range(dev, slave, res_id, 1, RES_EQ, 0);
+
+	return 0;
+
+ex_put:
+	put_res(dev, slave, eq->mtt->com.res_id, RES_MTT);
+ex_abort:
+	res_abort_move(dev, slave, RES_EQ, res_id);
+
+	return err;
+}
+
+int mlx4_GEN_EQE(struct mlx4_dev *dev, int slave, struct mlx4_eqe *eqe)
+{
+	struct mlx4_priv *priv = mlx4_priv(dev);
+	struct mlx4_slave_event_eq_info *event_eq;
+	struct mlx4_cmd_mailbox *mailbox;
+	u32 in_modifier = 0;
+	int err;
+	int res_id;
+	struct res_eq *req;
+
+	if (!priv->mfunc.master.slave_state)
+		return -EINVAL;
+
+	event_eq = &priv->mfunc.master.slave_state[slave].event_eq[eqe->type];
+
+	/* Create the event only if the slave is registered */
+	if (event_eq->eqn < 0)
+		return 0;
+
+	mutex_lock(&priv->mfunc.master.gen_eqe_mutex[slave]);
+	res_id = (slave << 8) | event_eq->eqn;
+	err = get_res(dev, slave, res_id, RES_EQ, &req);
+	if (err)
+		goto unlock;
+
+	if (req->com.from_state != RES_EQ_HW) {
+		err = -EINVAL;
+		goto put;
+	}
+
+	mailbox = mlx4_alloc_cmd_mailbox(dev);
+	if (IS_ERR(mailbox)) {
+		err = PTR_ERR(mailbox);
+		goto put;
+	}
+
+	if (eqe->type == MLX4_EVENT_TYPE_CMD) {
+		++event_eq->token;
+		eqe->event.cmd.token = cpu_to_be16(event_eq->token);
+	}
+
+	memcpy(mailbox->buf, (u8 *) eqe, 28);
+
+	in_modifier = (slave & 0xff) | ((event_eq->eqn & 0xff) << 16);
+
+	err = mlx4_cmd(dev, mailbox->dma, in_modifier, 0,
+		       MLX4_CMD_GEN_EQE, MLX4_CMD_TIME_CLASS_B,
+		       MLX4_CMD_NATIVE);
+
+	put_res(dev, slave, res_id, RES_EQ);
+	mutex_unlock(&priv->mfunc.master.gen_eqe_mutex[slave]);
+	mlx4_free_cmd_mailbox(dev, mailbox);
+	return err;
+
+put:
+	put_res(dev, slave, res_id, RES_EQ);
+
+unlock:
+	mutex_unlock(&priv->mfunc.master.gen_eqe_mutex[slave]);
+	return err;
+}
+
+int mlx4_QUERY_EQ_wrapper(struct mlx4_dev *dev, int slave,
+			  struct mlx4_vhcr *vhcr,
+			  struct mlx4_cmd_mailbox *inbox,
+			  struct mlx4_cmd_mailbox *outbox,
+			  struct mlx4_cmd_info *cmd)
+{
+	int eqn = vhcr->in_modifier;
+	int res_id = eqn | (slave << 8);
+	struct res_eq *eq;
+	int err;
+
+	err = get_res(dev, slave, res_id, RES_EQ, &eq);
+	if (err)
+		return err;
+
+	if (eq->com.from_state != RES_EQ_HW) {
+		err = -EINVAL;
+		goto ex_put;
+	}
+
+	err = mlx4_DMA_wrapper(dev, slave, vhcr, inbox, outbox, cmd);
+
+ex_put:
+	put_res(dev, slave, res_id, RES_EQ);
+	return err;
+}
+
+int mlx4_SW2HW_CQ_wrapper(struct mlx4_dev *dev, int slave,
+			  struct mlx4_vhcr *vhcr,
+			  struct mlx4_cmd_mailbox *inbox,
+			  struct mlx4_cmd_mailbox *outbox,
+			  struct mlx4_cmd_info *cmd)
+{
+	int err;
+	int cqn = vhcr->in_modifier;
+	struct mlx4_cq_context *cqc = inbox->buf;
+	int mtt_base = cq_get_mtt_addr(cqc) / dev->caps.mtt_entry_sz;
+	struct res_cq *cq;
+	struct res_mtt *mtt;
+
+	err = cq_res_start_move_to(dev, slave, cqn, RES_CQ_HW, &cq);
+	if (err)
+		return err;
+	err = get_res(dev, slave, mtt_base, RES_MTT, &mtt);
+	if (err)
+		goto out_move;
+	err = check_mtt_range(dev, slave, mtt_base, cq_get_mtt_size(cqc), mtt);
+	if (err)
+		goto out_put;
+	err = mlx4_DMA_wrapper(dev, slave, vhcr, inbox, outbox, cmd);
+	if (err)
+		goto out_put;
+	atomic_inc(&mtt->ref_count);
+	cq->mtt = mtt;
+	put_res(dev, slave, mtt->com.res_id, RES_MTT);
+	res_end_move(dev, slave, RES_CQ, cqn);
+	return 0;
+
+out_put:
+	put_res(dev, slave, mtt->com.res_id, RES_MTT);
+out_move:
+	res_abort_move(dev, slave, RES_CQ, cqn);
+	return err;
+}
+
+int mlx4_HW2SW_CQ_wrapper(struct mlx4_dev *dev, int slave,
+			  struct mlx4_vhcr *vhcr,
+			  struct mlx4_cmd_mailbox *inbox,
+			  struct mlx4_cmd_mailbox *outbox,
+			  struct mlx4_cmd_info *cmd)
+{
+	int err;
+	int cqn = vhcr->in_modifier;
+	struct res_cq *cq;
+
+	err = cq_res_start_move_to(dev, slave, cqn, RES_CQ_ALLOCATED, &cq);
+	if (err)
+		return err;
+	err = mlx4_DMA_wrapper(dev, slave, vhcr, inbox, outbox, cmd);
+	if (err)
+		goto out_move;
+	atomic_dec(&cq->mtt->ref_count);
+	res_end_move(dev, slave, RES_CQ, cqn);
+	return 0;
+
+out_move:
+	res_abort_move(dev, slave, RES_CQ, cqn);
+	return err;
+}
+
+int mlx4_QUERY_CQ_wrapper(struct mlx4_dev *dev, int slave,
+			  struct mlx4_vhcr *vhcr,
+			  struct mlx4_cmd_mailbox *inbox,
+			  struct mlx4_cmd_mailbox *outbox,
+			  struct mlx4_cmd_info *cmd)
+{
+	int cqn = vhcr->in_modifier;
+	struct res_cq *cq;
+	int err;
+
+	err = get_res(dev, slave, cqn, RES_CQ, &cq);
+	if (err)
+		return err;
+
+	if (cq->com.from_state != RES_CQ_HW)
+		goto ex_put;
+
+	err = mlx4_DMA_wrapper(dev, slave, vhcr, inbox, outbox, cmd);
+ex_put:
+	put_res(dev, slave, cqn, RES_CQ);
+
+	return err;
+}
+
+static int handle_resize(struct mlx4_dev *dev, int slave,
+			 struct mlx4_vhcr *vhcr,
+			 struct mlx4_cmd_mailbox *inbox,
+			 struct mlx4_cmd_mailbox *outbox,
+			 struct mlx4_cmd_info *cmd,
+			 struct res_cq *cq)
+{
+	int err;
+	struct res_mtt *orig_mtt;
+	struct res_mtt *mtt;
+	struct mlx4_cq_context *cqc = inbox->buf;
+	int mtt_base = cq_get_mtt_addr(cqc) / dev->caps.mtt_entry_sz;
+
+	err = get_res(dev, slave, cq->mtt->com.res_id, RES_MTT, &orig_mtt);
+	if (err)
+		return err;
+
+	if (orig_mtt != cq->mtt) {
+		err = -EINVAL;
+		goto ex_put;
+	}
+
+	err = get_res(dev, slave, mtt_base, RES_MTT, &mtt);
+	if (err)
+		goto ex_put;
+
+	err = check_mtt_range(dev, slave, mtt_base, cq_get_mtt_size(cqc), mtt);
+	if (err)
+		goto ex_put1;
+	err = mlx4_DMA_wrapper(dev, slave, vhcr, inbox, outbox, cmd);
+	if (err)
+		goto ex_put1;
+	atomic_dec(&orig_mtt->ref_count);
+	put_res(dev, slave, orig_mtt->com.res_id, RES_MTT);
+	atomic_inc(&mtt->ref_count);
+	cq->mtt = mtt;
+	put_res(dev, slave, mtt->com.res_id, RES_MTT);
+	return 0;
+
+ex_put1:
+	put_res(dev, slave, mtt->com.res_id, RES_MTT);
+ex_put:
+	put_res(dev, slave, orig_mtt->com.res_id, RES_MTT);
+
+	return err;
+
+}
+
+int mlx4_MODIFY_CQ_wrapper(struct mlx4_dev *dev, int slave,
+			   struct mlx4_vhcr *vhcr,
+			   struct mlx4_cmd_mailbox *inbox,
+			   struct mlx4_cmd_mailbox *outbox,
+			   struct mlx4_cmd_info *cmd)
+{
+	int cqn = vhcr->in_modifier;
+	struct res_cq *cq;
+	int err;
+
+	err = get_res(dev, slave, cqn, RES_CQ, &cq);
+	if (err)
+		return err;
+
+	if (cq->com.from_state != RES_CQ_HW)
+		goto ex_put;
+
+	if (vhcr->op_modifier == 0) {
+		err = handle_resize(dev, slave, vhcr, inbox, outbox, cmd, cq);
+		goto ex_put;
+	}
+
+	err = mlx4_DMA_wrapper(dev, slave, vhcr, inbox, outbox, cmd);
+ex_put:
+	put_res(dev, slave, cqn, RES_CQ);
+
+	return err;
+}
+
+static int srq_get_mtt_size(struct mlx4_srq_context *srqc)
+{
+	int log_srq_size = (be32_to_cpu(srqc->state_logsize_srqn) >> 24) & 0xf;
+	int log_rq_stride = srqc->logstride & 7;
+	int page_shift = (srqc->log_page_size & 0x3f) + 12;
+
+	if (log_srq_size + log_rq_stride + 4 < page_shift)
+		return 1;
+
+	return 1 << (log_srq_size + log_rq_stride + 4 - page_shift);
+}
+
+int mlx4_SW2HW_SRQ_wrapper(struct mlx4_dev *dev, int slave,
+			   struct mlx4_vhcr *vhcr,
+			   struct mlx4_cmd_mailbox *inbox,
+			   struct mlx4_cmd_mailbox *outbox,
+			   struct mlx4_cmd_info *cmd)
+{
+	int err;
+	int srqn = vhcr->in_modifier;
+	struct res_mtt *mtt;
+	struct res_srq *srq;
+	struct mlx4_srq_context *srqc = inbox->buf;
+	int mtt_base = srq_get_mtt_addr(srqc) / dev->caps.mtt_entry_sz;
+
+	if (srqn != (be32_to_cpu(srqc->state_logsize_srqn) & 0xffffff))
+		return -EINVAL;
+
+	err = srq_res_start_move_to(dev, slave, srqn, RES_SRQ_HW, &srq);
+	if (err)
+		return err;
+	err = get_res(dev, slave, mtt_base, RES_MTT, &mtt);
+	if (err)
+		goto ex_abort;
+	err = check_mtt_range(dev, slave, mtt_base, srq_get_mtt_size(srqc),
+			      mtt);
+	if (err)
+		goto ex_put_mtt;
+
+	err = mlx4_DMA_wrapper(dev, slave, vhcr, inbox, outbox, cmd);
+	if (err)
+		goto ex_put_mtt;
+
+	atomic_inc(&mtt->ref_count);
+	srq->mtt = mtt;
+	put_res(dev, slave, mtt->com.res_id, RES_MTT);
+	res_end_move(dev, slave, RES_SRQ, srqn);
+	return 0;
+
+ex_put_mtt:
+	put_res(dev, slave, mtt->com.res_id, RES_MTT);
+ex_abort:
+	res_abort_move(dev, slave, RES_SRQ, srqn);
+
+	return err;
+}
+
+int mlx4_HW2SW_SRQ_wrapper(struct mlx4_dev *dev, int slave,
+			   struct mlx4_vhcr *vhcr,
+			   struct mlx4_cmd_mailbox *inbox,
+			   struct mlx4_cmd_mailbox *outbox,
+			   struct mlx4_cmd_info *cmd)
+{
+	int err;
+	int srqn = vhcr->in_modifier;
+	struct res_srq *srq;
+
+	err = srq_res_start_move_to(dev, slave, srqn, RES_SRQ_ALLOCATED, &srq);
+	if (err)
+		return err;
+	err = mlx4_DMA_wrapper(dev, slave, vhcr, inbox, outbox, cmd);
+	if (err)
+		goto ex_abort;
+	atomic_dec(&srq->mtt->ref_count);
+	if (srq->cq)
+		atomic_dec(&srq->cq->ref_count);
+	res_end_move(dev, slave, RES_SRQ, srqn);
+
+	return 0;
+
+ex_abort:
+	res_abort_move(dev, slave, RES_SRQ, srqn);
+
+	return err;
+}
+
+int mlx4_QUERY_SRQ_wrapper(struct mlx4_dev *dev, int slave,
+			   struct mlx4_vhcr *vhcr,
+			   struct mlx4_cmd_mailbox *inbox,
+			   struct mlx4_cmd_mailbox *outbox,
+			   struct mlx4_cmd_info *cmd)
+{
+	int err;
+	int srqn = vhcr->in_modifier;
+	struct res_srq *srq;
+
+	err = get_res(dev, slave, srqn, RES_SRQ, &srq);
+	if (err)
+		return err;
+	if (srq->com.from_state != RES_SRQ_HW) {
+		err = -EBUSY;
+		goto out;
+	}
+	err = mlx4_DMA_wrapper(dev, slave, vhcr, inbox, outbox, cmd);
+out:
+	put_res(dev, slave, srqn, RES_SRQ);
+	return err;
+}
+
+int mlx4_ARM_SRQ_wrapper(struct mlx4_dev *dev, int slave,
+			 struct mlx4_vhcr *vhcr,
+			 struct mlx4_cmd_mailbox *inbox,
+			 struct mlx4_cmd_mailbox *outbox,
+			 struct mlx4_cmd_info *cmd)
+{
+	int err;
+	int srqn = vhcr->in_modifier;
+	struct res_srq *srq;
+
+	err = get_res(dev, slave, srqn, RES_SRQ, &srq);
+	if (err)
+		return err;
+
+	if (srq->com.from_state != RES_SRQ_HW) {
+		err = -EBUSY;
+		goto out;
+	}
+
+	err = mlx4_DMA_wrapper(dev, slave, vhcr, inbox, outbox, cmd);
+out:
+	put_res(dev, slave, srqn, RES_SRQ);
+	return err;
+}
+
+int mlx4_GEN_QP_wrapper(struct mlx4_dev *dev, int slave,
+			struct mlx4_vhcr *vhcr,
+			struct mlx4_cmd_mailbox *inbox,
+			struct mlx4_cmd_mailbox *outbox,
+			struct mlx4_cmd_info *cmd)
+{
+	int err;
+	int qpn = vhcr->in_modifier & 0x7fffff;
+	struct res_qp *qp;
+
+	err = get_res(dev, slave, qpn, RES_QP, &qp);
+	if (err)
+		return err;
+	if (qp->com.from_state != RES_QP_HW) {
+		err = -EBUSY;
+		goto out;
+	}
+
+	err = mlx4_DMA_wrapper(dev, slave, vhcr, inbox, outbox, cmd);
+out:
+	put_res(dev, slave, qpn, RES_QP);
+	return err;
+}
+
+int mlx4_INIT2INIT_QP_wrapper(struct mlx4_dev *dev, int slave,
+			      struct mlx4_vhcr *vhcr,
+			      struct mlx4_cmd_mailbox *inbox,
+			      struct mlx4_cmd_mailbox *outbox,
+			      struct mlx4_cmd_info *cmd)
+{
+	struct mlx4_qp_context *context = inbox->buf + 8;
+	adjust_proxy_tun_qkey(dev, vhcr, context);
+	update_pkey_index(dev, slave, inbox);
+	return mlx4_GEN_QP_wrapper(dev, slave, vhcr, inbox, outbox, cmd);
+}
+
+int mlx4_INIT2RTR_QP_wrapper(struct mlx4_dev *dev, int slave,
+			     struct mlx4_vhcr *vhcr,
+			     struct mlx4_cmd_mailbox *inbox,
+			     struct mlx4_cmd_mailbox *outbox,
+			     struct mlx4_cmd_info *cmd)
+{
+	int err;
+	struct mlx4_qp_context *qpc = inbox->buf + 8;
+
+	err = verify_qp_parameters(dev, inbox, QP_TRANS_INIT2RTR, slave);
+	if (err)
+		return err;
+
+	update_pkey_index(dev, slave, inbox);
+	update_gid(dev, inbox, (u8)slave);
+	adjust_proxy_tun_qkey(dev, vhcr, qpc);
+	err = update_vport_qp_param(dev, inbox, slave);
+	if (err)
+		return err;
+
+	return mlx4_GEN_QP_wrapper(dev, slave, vhcr, inbox, outbox, cmd);
+}
+
+int mlx4_RTR2RTS_QP_wrapper(struct mlx4_dev *dev, int slave,
+			    struct mlx4_vhcr *vhcr,
+			    struct mlx4_cmd_mailbox *inbox,
+			    struct mlx4_cmd_mailbox *outbox,
+			    struct mlx4_cmd_info *cmd)
+{
+	int err;
+	struct mlx4_qp_context *context = inbox->buf + 8;
+
+	err = verify_qp_parameters(dev, inbox, QP_TRANS_RTR2RTS, slave);
+	if (err)
+		return err;
+
+	update_pkey_index(dev, slave, inbox);
+	update_gid(dev, inbox, (u8)slave);
+	adjust_proxy_tun_qkey(dev, vhcr, context);
+	return mlx4_GEN_QP_wrapper(dev, slave, vhcr, inbox, outbox, cmd);
+}
+
+int mlx4_RTS2RTS_QP_wrapper(struct mlx4_dev *dev, int slave,
+			    struct mlx4_vhcr *vhcr,
+			    struct mlx4_cmd_mailbox *inbox,
+			    struct mlx4_cmd_mailbox *outbox,
+			    struct mlx4_cmd_info *cmd)
+{
+	int err;
+	struct mlx4_qp_context *context = inbox->buf + 8;
+
+	err = verify_qp_parameters(dev, inbox, QP_TRANS_RTS2RTS, slave);
+	if (err)
+		return err;
+
+	update_pkey_index(dev, slave, inbox);
+	update_gid(dev, inbox, (u8)slave);
+	adjust_proxy_tun_qkey(dev, vhcr, context);
+	return mlx4_GEN_QP_wrapper(dev, slave, vhcr, inbox, outbox, cmd);
+}
+
+
+int mlx4_SQERR2RTS_QP_wrapper(struct mlx4_dev *dev, int slave,
+			      struct mlx4_vhcr *vhcr,
+			      struct mlx4_cmd_mailbox *inbox,
+			      struct mlx4_cmd_mailbox *outbox,
+			      struct mlx4_cmd_info *cmd)
+{
+	struct mlx4_qp_context *context = inbox->buf + 8;
+	adjust_proxy_tun_qkey(dev, vhcr, context);
+	return mlx4_GEN_QP_wrapper(dev, slave, vhcr, inbox, outbox, cmd);
+}
+
+int mlx4_SQD2SQD_QP_wrapper(struct mlx4_dev *dev, int slave,
+			    struct mlx4_vhcr *vhcr,
+			    struct mlx4_cmd_mailbox *inbox,
+			    struct mlx4_cmd_mailbox *outbox,
+			    struct mlx4_cmd_info *cmd)
+{
+	int err;
+	struct mlx4_qp_context *context = inbox->buf + 8;
+
+	err = verify_qp_parameters(dev, inbox, QP_TRANS_SQD2SQD, slave);
+	if (err)
+		return err;
+
+	adjust_proxy_tun_qkey(dev, vhcr, context);
+	update_gid(dev, inbox, (u8)slave);
+	update_pkey_index(dev, slave, inbox);
+	return mlx4_GEN_QP_wrapper(dev, slave, vhcr, inbox, outbox, cmd);
+}
+
+int mlx4_SQD2RTS_QP_wrapper(struct mlx4_dev *dev, int slave,
+			    struct mlx4_vhcr *vhcr,
+			    struct mlx4_cmd_mailbox *inbox,
+			    struct mlx4_cmd_mailbox *outbox,
+			    struct mlx4_cmd_info *cmd)
+{
+	int err;
+	struct mlx4_qp_context *context = inbox->buf + 8;
+
+	err = verify_qp_parameters(dev, inbox, QP_TRANS_SQD2RTS, slave);
+	if (err)
+		return err;
+
+	adjust_proxy_tun_qkey(dev, vhcr, context);
+	update_gid(dev, inbox, (u8)slave);
+	update_pkey_index(dev, slave, inbox);
+	return mlx4_GEN_QP_wrapper(dev, slave, vhcr, inbox, outbox, cmd);
+}
+
+int mlx4_2RST_QP_wrapper(struct mlx4_dev *dev, int slave,
+			 struct mlx4_vhcr *vhcr,
+			 struct mlx4_cmd_mailbox *inbox,
+			 struct mlx4_cmd_mailbox *outbox,
+			 struct mlx4_cmd_info *cmd)
+{
+	int err;
+	int qpn = vhcr->in_modifier & 0x7fffff;
+	struct res_qp *qp;
+
+	err = qp_res_start_move_to(dev, slave, qpn, RES_QP_MAPPED, &qp, 0);
+	if (err)
+		return err;
+	err = mlx4_DMA_wrapper(dev, slave, vhcr, inbox, outbox, cmd);
+	if (err)
+		goto ex_abort;
+
+	atomic_dec(&qp->mtt->ref_count);
+	atomic_dec(&qp->rcq->ref_count);
+	atomic_dec(&qp->scq->ref_count);
+	if (qp->srq)
+		atomic_dec(&qp->srq->ref_count);
+	res_end_move(dev, slave, RES_QP, qpn);
+	return 0;
+
+ex_abort:
+	res_abort_move(dev, slave, RES_QP, qpn);
+
+	return err;
+}
+
+static struct res_gid *find_gid(struct mlx4_dev *dev, int slave,
+				struct res_qp *rqp, u8 *gid)
+{
+	struct res_gid *res;
+
+	list_for_each_entry(res, &rqp->mcg_list, list) {
+		if (!memcmp(res->gid, gid, 16))
+			return res;
+	}
+	return NULL;
+}
+
+static int add_mcg_res(struct mlx4_dev *dev, int slave, struct res_qp *rqp,
+		       u8 *gid, enum mlx4_protocol prot,
+		       enum mlx4_steer_type steer, u64 reg_id)
+{
+	struct res_gid *res;
+	int err;
+
+	res = kzalloc(sizeof *res, GFP_KERNEL);
+	if (!res)
+		return -ENOMEM;
+
+	spin_lock_irq(&rqp->mcg_spl);
+	if (find_gid(dev, slave, rqp, gid)) {
+		kfree(res);
+		err = -EEXIST;
+	} else {
+		memcpy(res->gid, gid, 16);
+		res->prot = prot;
+		res->steer = steer;
+		res->reg_id = reg_id;
+		list_add_tail(&res->list, &rqp->mcg_list);
+		err = 0;
+	}
+	spin_unlock_irq(&rqp->mcg_spl);
+
+	return err;
+}
+
+static int rem_mcg_res(struct mlx4_dev *dev, int slave, struct res_qp *rqp,
+		       u8 *gid, enum mlx4_protocol prot,
+		       enum mlx4_steer_type steer, u64 *reg_id)
+{
+	struct res_gid *res;
+	int err;
+
+	spin_lock_irq(&rqp->mcg_spl);
+	res = find_gid(dev, slave, rqp, gid);
+	if (!res || res->prot != prot || res->steer != steer)
+		err = -EINVAL;
+	else {
+		*reg_id = res->reg_id;
+		list_del(&res->list);
+		kfree(res);
+		err = 0;
+	}
+	spin_unlock_irq(&rqp->mcg_spl);
+
+	return err;
+}
+
+static int qp_attach(struct mlx4_dev *dev, struct mlx4_qp *qp, u8 gid[16],
+		     int block_loopback, enum mlx4_protocol prot,
+		     enum mlx4_steer_type type, u64 *reg_id)
+{
+	switch (dev->caps.steering_mode) {
+	case MLX4_STEERING_MODE_DEVICE_MANAGED:
+		return mlx4_trans_to_dmfs_attach(dev, qp, gid, gid[5],
+						block_loopback, prot,
+						reg_id);
+	case MLX4_STEERING_MODE_B0:
+		return mlx4_qp_attach_common(dev, qp, gid,
+					    block_loopback, prot, type);
+	default:
+		return -EINVAL;
+	}
+}
+
+static int qp_detach(struct mlx4_dev *dev, struct mlx4_qp *qp, u8 gid[16],
+		     enum mlx4_protocol prot, enum mlx4_steer_type type,
+		     u64 reg_id)
+{
+	switch (dev->caps.steering_mode) {
+	case MLX4_STEERING_MODE_DEVICE_MANAGED:
+		return mlx4_flow_detach(dev, reg_id);
+	case MLX4_STEERING_MODE_B0:
+		return mlx4_qp_detach_common(dev, qp, gid, prot, type);
+	default:
+		return -EINVAL;
+	}
+}
+
+int mlx4_QP_ATTACH_wrapper(struct mlx4_dev *dev, int slave,
+			       struct mlx4_vhcr *vhcr,
+			       struct mlx4_cmd_mailbox *inbox,
+			       struct mlx4_cmd_mailbox *outbox,
+			       struct mlx4_cmd_info *cmd)
+{
+	struct mlx4_qp qp; /* dummy for calling attach/detach */
+	u8 *gid = inbox->buf;
+	enum mlx4_protocol prot = (vhcr->in_modifier >> 28) & 0x7;
+	int err;
+	int qpn;
+	struct res_qp *rqp;
+	u64 reg_id = 0;
+	int attach = vhcr->op_modifier;
+	int block_loopback = vhcr->in_modifier >> 31;
+	u8 steer_type_mask = 2;
+	enum mlx4_steer_type type = (gid[7] & steer_type_mask) >> 1;
+
+	qpn = vhcr->in_modifier & 0xffffff;
+	err = get_res(dev, slave, qpn, RES_QP, &rqp);
+	if (err)
+		return err;
+
+	qp.qpn = qpn;
+	if (attach) {
+		err = qp_attach(dev, &qp, gid, block_loopback, prot,
+				type, &reg_id);
+		if (err) {
+			pr_err("Fail to attach rule to qp 0x%x\n", qpn);
+			goto ex_put;
+		}
+		err = add_mcg_res(dev, slave, rqp, gid, prot, type, reg_id);
+		if (err)
+			goto ex_detach;
+	} else {
+		err = rem_mcg_res(dev, slave, rqp, gid, prot, type, &reg_id);
+		if (err)
+			goto ex_put;
+
+		err = qp_detach(dev, &qp, gid, prot, type, reg_id);
+		if (err)
+			pr_err("Fail to detach rule from qp 0x%x reg_id = 0x%llx\n",
+			       qpn, reg_id);
+	}
+	put_res(dev, slave, qpn, RES_QP);
+	return err;
+
+ex_detach:
+	qp_detach(dev, &qp, gid, prot, type, reg_id);
+ex_put:
+	put_res(dev, slave, qpn, RES_QP);
+	return err;
+}
+
+/*
+ * MAC validation for Flow Steering rules.
+ * VF can attach rules only with a mac address which is assigned to it.
+ */
+static int validate_eth_header_mac(int slave, struct _rule_hw *eth_header,
+				   struct list_head *rlist)
+{
+	struct mac_res *res, *tmp;
+	__be64 be_mac;
+
+	/* make sure it isn't multicast or broadcast mac*/
+	if (!is_multicast_ether_addr(eth_header->eth.dst_mac) &&
+	    !is_broadcast_ether_addr(eth_header->eth.dst_mac)) {
+		list_for_each_entry_safe(res, tmp, rlist, list) {
+			be_mac = cpu_to_be64(res->mac << 16);
+			if (!memcmp(&be_mac, eth_header->eth.dst_mac, ETH_ALEN))
+				return 0;
+		}
+		pr_err("MAC %pM doesn't belong to VF %d, Steering rule rejected\n",
+		       eth_header->eth.dst_mac, slave);
+		return -EINVAL;
+	}
+	return 0;
+}
+
+/*
+ * In case of missing eth header, append eth header with a MAC address
+ * assigned to the VF.
+ */
+static int add_eth_header(struct mlx4_dev *dev, int slave,
+			  struct mlx4_cmd_mailbox *inbox,
+			  struct list_head *rlist, int header_id)
+{
+	struct mac_res *res, *tmp;
+	u8 port;
+	struct mlx4_net_trans_rule_hw_ctrl *ctrl;
+	struct mlx4_net_trans_rule_hw_eth *eth_header;
+	struct mlx4_net_trans_rule_hw_ipv4 *ip_header;
+	struct mlx4_net_trans_rule_hw_tcp_udp *l4_header;
+	__be64 be_mac = 0;
+	__be64 mac_msk = cpu_to_be64(MLX4_MAC_MASK << 16);
+
+	ctrl = (struct mlx4_net_trans_rule_hw_ctrl *)inbox->buf;
+	port = ctrl->port;
+	eth_header = (struct mlx4_net_trans_rule_hw_eth *)(ctrl + 1);
+
+	/* Clear a space in the inbox for eth header */
+	switch (header_id) {
+	case MLX4_NET_TRANS_RULE_ID_IPV4:
+		ip_header =
+			(struct mlx4_net_trans_rule_hw_ipv4 *)(eth_header + 1);
+		memmove(ip_header, eth_header,
+			sizeof(*ip_header) + sizeof(*l4_header));
+		break;
+	case MLX4_NET_TRANS_RULE_ID_TCP:
+	case MLX4_NET_TRANS_RULE_ID_UDP:
+		l4_header = (struct mlx4_net_trans_rule_hw_tcp_udp *)
+			    (eth_header + 1);
+		memmove(l4_header, eth_header, sizeof(*l4_header));
+		break;
+	default:
+		return -EINVAL;
+	}
+	list_for_each_entry_safe(res, tmp, rlist, list) {
+		if (port == res->port) {
+			be_mac = cpu_to_be64(res->mac << 16);
+			break;
+		}
+	}
+	if (!be_mac) {
+		pr_err("Failed adding eth header to FS rule, Can't find matching MAC for port %d .\n",
+		       port);
+		return -EINVAL;
+	}
+
+	memset(eth_header, 0, sizeof(*eth_header));
+	eth_header->size = sizeof(*eth_header) >> 2;
+	eth_header->id = cpu_to_be16(__sw_id_hw[MLX4_NET_TRANS_RULE_ID_ETH]);
+	memcpy(eth_header->dst_mac, &be_mac, ETH_ALEN);
+	memcpy(eth_header->dst_mac_msk, &mac_msk, ETH_ALEN);
+
+	return 0;
+
+}
+
+int mlx4_QP_FLOW_STEERING_ATTACH_wrapper(struct mlx4_dev *dev, int slave,
+					 struct mlx4_vhcr *vhcr,
+					 struct mlx4_cmd_mailbox *inbox,
+					 struct mlx4_cmd_mailbox *outbox,
+					 struct mlx4_cmd_info *cmd)
+{
+
+	struct mlx4_priv *priv = mlx4_priv(dev);
+	struct mlx4_resource_tracker *tracker = &priv->mfunc.master.res_tracker;
+	struct list_head *rlist = &tracker->slave_list[slave].res_list[RES_MAC];
+	int err;
+	int qpn;
+	struct res_qp *rqp;
+	struct mlx4_net_trans_rule_hw_ctrl *ctrl;
+	struct _rule_hw  *rule_header;
+	int header_id;
+
+	if (dev->caps.steering_mode !=
+	    MLX4_STEERING_MODE_DEVICE_MANAGED)
+		return -EOPNOTSUPP;
+
+	ctrl = (struct mlx4_net_trans_rule_hw_ctrl *)inbox->buf;
+	qpn = be32_to_cpu(ctrl->qpn) & 0xffffff;
+	err = get_res(dev, slave, qpn, RES_QP, &rqp);
+	if (err) {
+		pr_err("Steering rule with qpn 0x%x rejected.\n", qpn);
+		return err;
+	}
+	rule_header = (struct _rule_hw *)(ctrl + 1);
+	header_id = map_hw_to_sw_id(be16_to_cpu(rule_header->id));
+
+	switch (header_id) {
+	case MLX4_NET_TRANS_RULE_ID_ETH:
+		if (validate_eth_header_mac(slave, rule_header, rlist)) {
+			err = -EINVAL;
+			goto err_put;
+		}
+		break;
+	case MLX4_NET_TRANS_RULE_ID_IB:
+		break;
+	case MLX4_NET_TRANS_RULE_ID_IPV4:
+	case MLX4_NET_TRANS_RULE_ID_TCP:
+	case MLX4_NET_TRANS_RULE_ID_UDP:
+		pr_warn("Can't attach FS rule without L2 headers, adding L2 header.\n");
+		if (add_eth_header(dev, slave, inbox, rlist, header_id)) {
+			err = -EINVAL;
+			goto err_put;
+		}
+		vhcr->in_modifier +=
+			sizeof(struct mlx4_net_trans_rule_hw_eth) >> 2;
+		break;
+	default:
+		pr_err("Corrupted mailbox.\n");
+		err = -EINVAL;
+		goto err_put;
+	}
+
+	err = mlx4_cmd_imm(dev, inbox->dma, &vhcr->out_param,
+			   vhcr->in_modifier, 0,
+			   MLX4_QP_FLOW_STEERING_ATTACH, MLX4_CMD_TIME_CLASS_A,
+			   MLX4_CMD_NATIVE);
+	if (err)
+		goto err_put;
+
+	err = add_res_range(dev, slave, vhcr->out_param, 1, RES_FS_RULE, qpn);
+	if (err) {
+		mlx4_err(dev, "Fail to add flow steering resources.\n ");
+		/* detach rule*/
+		mlx4_cmd(dev, vhcr->out_param, 0, 0,
+			 MLX4_QP_FLOW_STEERING_DETACH, MLX4_CMD_TIME_CLASS_A,
+			 MLX4_CMD_NATIVE);
+		goto err_put;
+	}
+	atomic_inc(&rqp->ref_count);
+err_put:
+	put_res(dev, slave, qpn, RES_QP);
+	return err;
+}
+
+int mlx4_QP_FLOW_STEERING_DETACH_wrapper(struct mlx4_dev *dev, int slave,
+					 struct mlx4_vhcr *vhcr,
+					 struct mlx4_cmd_mailbox *inbox,
+					 struct mlx4_cmd_mailbox *outbox,
+					 struct mlx4_cmd_info *cmd)
+{
+	int err;
+	struct res_qp *rqp;
+	struct res_fs_rule *rrule;
+
+	if (dev->caps.steering_mode !=
+	    MLX4_STEERING_MODE_DEVICE_MANAGED)
+		return -EOPNOTSUPP;
+
+	err = get_res(dev, slave, vhcr->in_param, RES_FS_RULE, &rrule);
+	if (err)
+		return err;
+	/* Release the rule form busy state before removal */
+	put_res(dev, slave, vhcr->in_param, RES_FS_RULE);
+	err = get_res(dev, slave, rrule->qpn, RES_QP, &rqp);
+	if (err)
+		return err;
+
+	err = rem_res_range(dev, slave, vhcr->in_param, 1, RES_FS_RULE, 0);
+	if (err) {
+		mlx4_err(dev, "Fail to remove flow steering resources.\n ");
+		goto out;
+	}
+
+	err = mlx4_cmd(dev, vhcr->in_param, 0, 0,
+		       MLX4_QP_FLOW_STEERING_DETACH, MLX4_CMD_TIME_CLASS_A,
+		       MLX4_CMD_NATIVE);
+	if (!err)
+		atomic_dec(&rqp->ref_count);
+out:
+	put_res(dev, slave, rrule->qpn, RES_QP);
+	return err;
+}
+
+enum {
+	BUSY_MAX_RETRIES = 10
+};
+
+int mlx4_QUERY_IF_STAT_wrapper(struct mlx4_dev *dev, int slave,
+			       struct mlx4_vhcr *vhcr,
+			       struct mlx4_cmd_mailbox *inbox,
+			       struct mlx4_cmd_mailbox *outbox,
+			       struct mlx4_cmd_info *cmd)
+{
+	int err;
+	int index = vhcr->in_modifier & 0xffff;
+
+	err = get_res(dev, slave, index, RES_COUNTER, NULL);
+	if (err)
+		return err;
+
+	err = mlx4_DMA_wrapper(dev, slave, vhcr, inbox, outbox, cmd);
+	put_res(dev, slave, index, RES_COUNTER);
+	return err;
+}
+
+static void detach_qp(struct mlx4_dev *dev, int slave, struct res_qp *rqp)
+{
+	struct res_gid *rgid;
+	struct res_gid *tmp;
+	struct mlx4_qp qp; /* dummy for calling attach/detach */
+
+	list_for_each_entry_safe(rgid, tmp, &rqp->mcg_list, list) {
+		switch (dev->caps.steering_mode) {
+		case MLX4_STEERING_MODE_DEVICE_MANAGED:
+			mlx4_flow_detach(dev, rgid->reg_id);
+			break;
+		case MLX4_STEERING_MODE_B0:
+			qp.qpn = rqp->local_qpn;
+			(void) mlx4_qp_detach_common(dev, &qp, rgid->gid,
+						     rgid->prot, rgid->steer);
+			break;
+		}
+		list_del(&rgid->list);
+		kfree(rgid);
+	}
+}
+
+static int _move_all_busy(struct mlx4_dev *dev, int slave,
+			  enum mlx4_resource type, int print)
+{
+	struct mlx4_priv *priv = mlx4_priv(dev);
+	struct mlx4_resource_tracker *tracker =
+		&priv->mfunc.master.res_tracker;
+	struct list_head *rlist = &tracker->slave_list[slave].res_list[type];
+	struct res_common *r;
+	struct res_common *tmp;
+	int busy;
+
+	busy = 0;
+	spin_lock_irq(mlx4_tlock(dev));
+	list_for_each_entry_safe(r, tmp, rlist, list) {
+		if (r->owner == slave) {
+			if (!r->removing) {
+				if (r->state == RES_ANY_BUSY) {
+					if (print)
+						mlx4_dbg(dev,
+							 "%s id 0x%llx is busy\n",
+							  ResourceType(type),
+							  r->res_id);
+					++busy;
+				} else {
+					r->from_state = r->state;
+					r->state = RES_ANY_BUSY;
+					r->removing = 1;
+				}
+			}
+		}
+	}
+	spin_unlock_irq(mlx4_tlock(dev));
+
+	return busy;
+}
+
+static int move_all_busy(struct mlx4_dev *dev, int slave,
+			 enum mlx4_resource type)
+{
+	unsigned long begin;
+	int busy;
+
+	begin = jiffies;
+	do {
+		busy = _move_all_busy(dev, slave, type, 0);
+		if (time_after(jiffies, begin + 5 * HZ))
+			break;
+		if (busy)
+			cond_resched();
+	} while (busy);
+
+	if (busy)
+		busy = _move_all_busy(dev, slave, type, 1);
+
+	return busy;
+}
+static void rem_slave_qps(struct mlx4_dev *dev, int slave)
+{
+	struct mlx4_priv *priv = mlx4_priv(dev);
+	struct mlx4_resource_tracker *tracker = &priv->mfunc.master.res_tracker;
+	struct list_head *qp_list =
+		&tracker->slave_list[slave].res_list[RES_QP];
+	struct res_qp *qp;
+	struct res_qp *tmp;
+	int state;
+	u64 in_param;
+	int qpn;
+	int err;
+
+	err = move_all_busy(dev, slave, RES_QP);
+	if (err)
+		mlx4_warn(dev, "rem_slave_qps: Could not move all qps to busy"
+			  "for slave %d\n", slave);
+
+	spin_lock_irq(mlx4_tlock(dev));
+	list_for_each_entry_safe(qp, tmp, qp_list, com.list) {
+		spin_unlock_irq(mlx4_tlock(dev));
+		if (qp->com.owner == slave) {
+			qpn = qp->com.res_id;
+			detach_qp(dev, slave, qp);
+			state = qp->com.from_state;
+			while (state != 0) {
+				switch (state) {
+				case RES_QP_RESERVED:
+					spin_lock_irq(mlx4_tlock(dev));
+					rb_erase(&qp->com.node,
+						 &tracker->res_tree[RES_QP]);
+					list_del(&qp->com.list);
+					spin_unlock_irq(mlx4_tlock(dev));
+					kfree(qp);
+					state = 0;
+					break;
+				case RES_QP_MAPPED:
+					if (!valid_reserved(dev, slave, qpn))
+						__mlx4_qp_free_icm(dev, qpn);
+					state = RES_QP_RESERVED;
+					break;
+				case RES_QP_HW:
+					in_param = slave;
+					err = mlx4_cmd(dev, in_param,
+						       qp->local_qpn, 2,
+						       MLX4_CMD_2RST_QP,
+						       MLX4_CMD_TIME_CLASS_A,
+						       MLX4_CMD_NATIVE);
+					if (err)
+						mlx4_dbg(dev, "rem_slave_qps: failed"
+							 " to move slave %d qpn %d to"
+							 " reset\n", slave,
+							 qp->local_qpn);
+					atomic_dec(&qp->rcq->ref_count);
+					atomic_dec(&qp->scq->ref_count);
+					atomic_dec(&qp->mtt->ref_count);
+					if (qp->srq)
+						atomic_dec(&qp->srq->ref_count);
+					state = RES_QP_MAPPED;
+					break;
+				default:
+					state = 0;
+				}
+			}
+		}
+		spin_lock_irq(mlx4_tlock(dev));
+	}
+	spin_unlock_irq(mlx4_tlock(dev));
+}
+
+static void rem_slave_srqs(struct mlx4_dev *dev, int slave)
+{
+	struct mlx4_priv *priv = mlx4_priv(dev);
+	struct mlx4_resource_tracker *tracker = &priv->mfunc.master.res_tracker;
+	struct list_head *srq_list =
+		&tracker->slave_list[slave].res_list[RES_SRQ];
+	struct res_srq *srq;
+	struct res_srq *tmp;
+	int state;
+	u64 in_param;
+	LIST_HEAD(tlist);
+	int srqn;
+	int err;
+
+	err = move_all_busy(dev, slave, RES_SRQ);
+	if (err)
+		mlx4_warn(dev, "rem_slave_srqs: Could not move all srqs to "
+			  "busy for slave %d\n", slave);
+
+	spin_lock_irq(mlx4_tlock(dev));
+	list_for_each_entry_safe(srq, tmp, srq_list, com.list) {
+		spin_unlock_irq(mlx4_tlock(dev));
+		if (srq->com.owner == slave) {
+			srqn = srq->com.res_id;
+			state = srq->com.from_state;
+			while (state != 0) {
+				switch (state) {
+				case RES_SRQ_ALLOCATED:
+					__mlx4_srq_free_icm(dev, srqn);
+					spin_lock_irq(mlx4_tlock(dev));
+					rb_erase(&srq->com.node,
+						 &tracker->res_tree[RES_SRQ]);
+					list_del(&srq->com.list);
+					spin_unlock_irq(mlx4_tlock(dev));
+					kfree(srq);
+					state = 0;
+					break;
+
+				case RES_SRQ_HW:
+					in_param = slave;
+					err = mlx4_cmd(dev, in_param, srqn, 1,
+						       MLX4_CMD_HW2SW_SRQ,
+						       MLX4_CMD_TIME_CLASS_A,
+						       MLX4_CMD_NATIVE);
+					if (err)
+						mlx4_dbg(dev, "rem_slave_srqs: failed"
+							 " to move slave %d srq %d to"
+							 " SW ownership\n",
+							 slave, srqn);
+
+					atomic_dec(&srq->mtt->ref_count);
+					if (srq->cq)
+						atomic_dec(&srq->cq->ref_count);
+					state = RES_SRQ_ALLOCATED;
+					break;
+
+				default:
+					state = 0;
+				}
+			}
+		}
+		spin_lock_irq(mlx4_tlock(dev));
+	}
+	spin_unlock_irq(mlx4_tlock(dev));
+}
+
+static void rem_slave_cqs(struct mlx4_dev *dev, int slave)
+{
+	struct mlx4_priv *priv = mlx4_priv(dev);
+	struct mlx4_resource_tracker *tracker = &priv->mfunc.master.res_tracker;
+	struct list_head *cq_list =
+		&tracker->slave_list[slave].res_list[RES_CQ];
+	struct res_cq *cq;
+	struct res_cq *tmp;
+	int state;
+	u64 in_param;
+	LIST_HEAD(tlist);
+	int cqn;
+	int err;
+
+	err = move_all_busy(dev, slave, RES_CQ);
+	if (err)
+		mlx4_warn(dev, "rem_slave_cqs: Could not move all cqs to "
+			  "busy for slave %d\n", slave);
+
+	spin_lock_irq(mlx4_tlock(dev));
+	list_for_each_entry_safe(cq, tmp, cq_list, com.list) {
+		spin_unlock_irq(mlx4_tlock(dev));
+		if (cq->com.owner == slave && !atomic_read(&cq->ref_count)) {
+			cqn = cq->com.res_id;
+			state = cq->com.from_state;
+			while (state != 0) {
+				switch (state) {
+				case RES_CQ_ALLOCATED:
+					__mlx4_cq_free_icm(dev, cqn);
+					spin_lock_irq(mlx4_tlock(dev));
+					rb_erase(&cq->com.node,
+						 &tracker->res_tree[RES_CQ]);
+					list_del(&cq->com.list);
+					spin_unlock_irq(mlx4_tlock(dev));
+					kfree(cq);
+					state = 0;
+					break;
+
+				case RES_CQ_HW:
+					in_param = slave;
+					err = mlx4_cmd(dev, in_param, cqn, 1,
+						       MLX4_CMD_HW2SW_CQ,
+						       MLX4_CMD_TIME_CLASS_A,
+						       MLX4_CMD_NATIVE);
+					if (err)
+						mlx4_dbg(dev, "rem_slave_cqs: failed"
+							 " to move slave %d cq %d to"
+							 " SW ownership\n",
+							 slave, cqn);
+					atomic_dec(&cq->mtt->ref_count);
+					state = RES_CQ_ALLOCATED;
+					break;
+
+				default:
+					state = 0;
+				}
+			}
+		}
+		spin_lock_irq(mlx4_tlock(dev));
+	}
+	spin_unlock_irq(mlx4_tlock(dev));
+}
+
+static void rem_slave_mrs(struct mlx4_dev *dev, int slave)
+{
+	struct mlx4_priv *priv = mlx4_priv(dev);
+	struct mlx4_resource_tracker *tracker = &priv->mfunc.master.res_tracker;
+	struct list_head *mpt_list =
+		&tracker->slave_list[slave].res_list[RES_MPT];
+	struct res_mpt *mpt;
+	struct res_mpt *tmp;
+	int state;
+	u64 in_param;
+	LIST_HEAD(tlist);
+	int mptn;
+	int err;
+
+	err = move_all_busy(dev, slave, RES_MPT);
+	if (err)
+		mlx4_warn(dev, "rem_slave_mrs: Could not move all mpts to "
+			  "busy for slave %d\n", slave);
+
+	spin_lock_irq(mlx4_tlock(dev));
+	list_for_each_entry_safe(mpt, tmp, mpt_list, com.list) {
+		spin_unlock_irq(mlx4_tlock(dev));
+		if (mpt->com.owner == slave) {
+			mptn = mpt->com.res_id;
+			state = mpt->com.from_state;
+			while (state != 0) {
+				switch (state) {
+				case RES_MPT_RESERVED:
+					__mlx4_mpt_release(dev, mpt->key);
+					spin_lock_irq(mlx4_tlock(dev));
+					rb_erase(&mpt->com.node,
+						 &tracker->res_tree[RES_MPT]);
+					list_del(&mpt->com.list);
+					spin_unlock_irq(mlx4_tlock(dev));
+					kfree(mpt);
+					state = 0;
+					break;
+
+				case RES_MPT_MAPPED:
+					__mlx4_mpt_free_icm(dev, mpt->key);
+					state = RES_MPT_RESERVED;
+					break;
+
+				case RES_MPT_HW:
+					in_param = slave;
+					err = mlx4_cmd(dev, in_param, mptn, 0,
+						     MLX4_CMD_HW2SW_MPT,
+						     MLX4_CMD_TIME_CLASS_A,
+						     MLX4_CMD_NATIVE);
+					if (err)
+						mlx4_dbg(dev, "rem_slave_mrs: failed"
+							 " to move slave %d mpt %d to"
+							 " SW ownership\n",
+							 slave, mptn);
+					if (mpt->mtt)
+						atomic_dec(&mpt->mtt->ref_count);
+					state = RES_MPT_MAPPED;
+					break;
+				default:
+					state = 0;
+				}
+			}
+		}
+		spin_lock_irq(mlx4_tlock(dev));
+	}
+	spin_unlock_irq(mlx4_tlock(dev));
+}
+
+static void rem_slave_mtts(struct mlx4_dev *dev, int slave)
+{
+	struct mlx4_priv *priv = mlx4_priv(dev);
+	struct mlx4_resource_tracker *tracker =
+		&priv->mfunc.master.res_tracker;
+	struct list_head *mtt_list =
+		&tracker->slave_list[slave].res_list[RES_MTT];
+	struct res_mtt *mtt;
+	struct res_mtt *tmp;
+	int state;
+	LIST_HEAD(tlist);
+	int base;
+	int err;
+
+	err = move_all_busy(dev, slave, RES_MTT);
+	if (err)
+		mlx4_warn(dev, "rem_slave_mtts: Could not move all mtts to "
+			  "busy for slave %d\n", slave);
+
+	spin_lock_irq(mlx4_tlock(dev));
+	list_for_each_entry_safe(mtt, tmp, mtt_list, com.list) {
+		spin_unlock_irq(mlx4_tlock(dev));
+		if (mtt->com.owner == slave) {
+			base = mtt->com.res_id;
+			state = mtt->com.from_state;
+			while (state != 0) {
+				switch (state) {
+				case RES_MTT_ALLOCATED:
+					__mlx4_free_mtt_range(dev, base,
+							      mtt->order);
+					spin_lock_irq(mlx4_tlock(dev));
+					rb_erase(&mtt->com.node,
+						 &tracker->res_tree[RES_MTT]);
+					list_del(&mtt->com.list);
+					spin_unlock_irq(mlx4_tlock(dev));
+					kfree(mtt);
+					state = 0;
+					break;
+
+				default:
+					state = 0;
+				}
+			}
+		}
+		spin_lock_irq(mlx4_tlock(dev));
+	}
+	spin_unlock_irq(mlx4_tlock(dev));
+}
+
+static void rem_slave_fs_rule(struct mlx4_dev *dev, int slave)
+{
+	struct mlx4_priv *priv = mlx4_priv(dev);
+	struct mlx4_resource_tracker *tracker =
+		&priv->mfunc.master.res_tracker;
+	struct list_head *fs_rule_list =
+		&tracker->slave_list[slave].res_list[RES_FS_RULE];
+	struct res_fs_rule *fs_rule;
+	struct res_fs_rule *tmp;
+	int state;
+	u64 base;
+	int err;
+
+	err = move_all_busy(dev, slave, RES_FS_RULE);
+	if (err)
+		mlx4_warn(dev, "rem_slave_fs_rule: Could not move all mtts to busy for slave %d\n",
+			  slave);
+
+	spin_lock_irq(mlx4_tlock(dev));
+	list_for_each_entry_safe(fs_rule, tmp, fs_rule_list, com.list) {
+		spin_unlock_irq(mlx4_tlock(dev));
+		if (fs_rule->com.owner == slave) {
+			base = fs_rule->com.res_id;
+			state = fs_rule->com.from_state;
+			while (state != 0) {
+				switch (state) {
+				case RES_FS_RULE_ALLOCATED:
+					/* detach rule */
+					err = mlx4_cmd(dev, base, 0, 0,
+						       MLX4_QP_FLOW_STEERING_DETACH,
+						       MLX4_CMD_TIME_CLASS_A,
+						       MLX4_CMD_NATIVE);
+
+					spin_lock_irq(mlx4_tlock(dev));
+					rb_erase(&fs_rule->com.node,
+						 &tracker->res_tree[RES_FS_RULE]);
+					list_del(&fs_rule->com.list);
+					spin_unlock_irq(mlx4_tlock(dev));
+					kfree(fs_rule);
+					state = 0;
+					break;
+
+				default:
+					state = 0;
+				}
+			}
+		}
+		spin_lock_irq(mlx4_tlock(dev));
+	}
+	spin_unlock_irq(mlx4_tlock(dev));
+}
+
+static void rem_slave_eqs(struct mlx4_dev *dev, int slave)
+{
+	struct mlx4_priv *priv = mlx4_priv(dev);
+	struct mlx4_resource_tracker *tracker = &priv->mfunc.master.res_tracker;
+	struct list_head *eq_list =
+		&tracker->slave_list[slave].res_list[RES_EQ];
+	struct res_eq *eq;
+	struct res_eq *tmp;
+	int err;
+	int state;
+	LIST_HEAD(tlist);
+	int eqn;
+	struct mlx4_cmd_mailbox *mailbox;
+
+	err = move_all_busy(dev, slave, RES_EQ);
+	if (err)
+		mlx4_warn(dev, "rem_slave_eqs: Could not move all eqs to "
+			  "busy for slave %d\n", slave);
+
+	spin_lock_irq(mlx4_tlock(dev));
+	list_for_each_entry_safe(eq, tmp, eq_list, com.list) {
+		spin_unlock_irq(mlx4_tlock(dev));
+		if (eq->com.owner == slave) {
+			eqn = eq->com.res_id;
+			state = eq->com.from_state;
+			while (state != 0) {
+				switch (state) {
+				case RES_EQ_RESERVED:
+					spin_lock_irq(mlx4_tlock(dev));
+					rb_erase(&eq->com.node,
+						 &tracker->res_tree[RES_EQ]);
+					list_del(&eq->com.list);
+					spin_unlock_irq(mlx4_tlock(dev));
+					kfree(eq);
+					state = 0;
+					break;
+
+				case RES_EQ_HW:
+					mailbox = mlx4_alloc_cmd_mailbox(dev);
+					if (IS_ERR(mailbox)) {
+						cond_resched();
+						continue;
+					}
+					err = mlx4_cmd_box(dev, slave, 0,
+							   eqn & 0xff, 0,
+							   MLX4_CMD_HW2SW_EQ,
+							   MLX4_CMD_TIME_CLASS_A,
+							   MLX4_CMD_NATIVE);
+					if (err)
+						mlx4_dbg(dev, "rem_slave_eqs: failed"
+							 " to move slave %d eqs %d to"
+							 " SW ownership\n", slave, eqn);
+					mlx4_free_cmd_mailbox(dev, mailbox);
+					atomic_dec(&eq->mtt->ref_count);
+					state = RES_EQ_RESERVED;
+					break;
+
+				default:
+					state = 0;
+				}
+			}
+		}
+		spin_lock_irq(mlx4_tlock(dev));
+	}
+	spin_unlock_irq(mlx4_tlock(dev));
+}
+
+static void rem_slave_counters(struct mlx4_dev *dev, int slave)
+{
+	struct mlx4_priv *priv = mlx4_priv(dev);
+	struct mlx4_resource_tracker *tracker = &priv->mfunc.master.res_tracker;
+	struct list_head *counter_list =
+		&tracker->slave_list[slave].res_list[RES_COUNTER];
+	struct res_counter *counter;
+	struct res_counter *tmp;
+	int err;
+	int index;
+
+	err = move_all_busy(dev, slave, RES_COUNTER);
+	if (err)
+		mlx4_warn(dev, "rem_slave_counters: Could not move all counters to "
+			  "busy for slave %d\n", slave);
+
+	spin_lock_irq(mlx4_tlock(dev));
+	list_for_each_entry_safe(counter, tmp, counter_list, com.list) {
+		if (counter->com.owner == slave) {
+			index = counter->com.res_id;
+			rb_erase(&counter->com.node,
+				 &tracker->res_tree[RES_COUNTER]);
+			list_del(&counter->com.list);
+			kfree(counter);
+			__mlx4_counter_free(dev, index);
+		}
+	}
+	spin_unlock_irq(mlx4_tlock(dev));
+}
+
+static void rem_slave_xrcdns(struct mlx4_dev *dev, int slave)
+{
+	struct mlx4_priv *priv = mlx4_priv(dev);
+	struct mlx4_resource_tracker *tracker = &priv->mfunc.master.res_tracker;
+	struct list_head *xrcdn_list =
+		&tracker->slave_list[slave].res_list[RES_XRCD];
+	struct res_xrcdn *xrcd;
+	struct res_xrcdn *tmp;
+	int err;
+	int xrcdn;
+
+	err = move_all_busy(dev, slave, RES_XRCD);
+	if (err)
+		mlx4_warn(dev, "rem_slave_xrcdns: Could not move all xrcdns to "
+			  "busy for slave %d\n", slave);
+
+	spin_lock_irq(mlx4_tlock(dev));
+	list_for_each_entry_safe(xrcd, tmp, xrcdn_list, com.list) {
+		if (xrcd->com.owner == slave) {
+			xrcdn = xrcd->com.res_id;
+			rb_erase(&xrcd->com.node, &tracker->res_tree[RES_XRCD]);
+			list_del(&xrcd->com.list);
+			kfree(xrcd);
+			__mlx4_xrcd_free(dev, xrcdn);
+		}
+	}
+	spin_unlock_irq(mlx4_tlock(dev));
+}
+
+void mlx4_delete_all_resources_for_slave(struct mlx4_dev *dev, int slave)
+{
+	struct mlx4_priv *priv = mlx4_priv(dev);
+
+	mutex_lock(&priv->mfunc.master.res_tracker.slave_list[slave].mutex);
+	/*VLAN*/
+	rem_slave_macs(dev, slave);
+	rem_slave_fs_rule(dev, slave);
+	rem_slave_qps(dev, slave);
+	rem_slave_srqs(dev, slave);
+	rem_slave_cqs(dev, slave);
+	rem_slave_mrs(dev, slave);
+	rem_slave_eqs(dev, slave);
+	rem_slave_mtts(dev, slave);
+	rem_slave_counters(dev, slave);
+	rem_slave_xrcdns(dev, slave);
+	mutex_unlock(&priv->mfunc.master.res_tracker.slave_list[slave].mutex);
+}