1 files changed, 281 insertions, 83 deletions

diff --git a/sys/ofed/drivers/net/mlx4/qp.c b/sys/ofed/drivers/net/mlx4/qp.c
index bf1c117..2386adc 100644
--- a/sys/ofed/drivers/net/mlx4/qp.c
+++ b/sys/ofed/drivers/net/mlx4/qp.c
@@ -41,6 +41,12 @@
 #include "mlx4.h"
 #include "icm.h"
 
+/*
+ * QP to support BF should have bits 6,7 cleared
+ */
+#define MLX4_BF_QP_SKIP_MASK	0xc0
+#define MLX4_MAX_BF_QP_RANGE	0x40
+
 void mlx4_qp_event(struct mlx4_dev *dev, u32 qpn, int event_type)
 {
 	struct mlx4_qp_table *qp_table = &mlx4_priv(dev)->qp_table;
@@ -55,7 +61,7 @@ void mlx4_qp_event(struct mlx4_dev *dev, u32 qpn, int event_type)
 	spin_unlock(&qp_table->lock);
 
 	if (!qp) {
-		mlx4_warn(dev, "Async event for bogus QP %08x\n", qpn);
+		mlx4_dbg(dev, "Async event for none existent QP %08x\n", qpn);
 		return;
 	}
 
@@ -65,10 +71,25 @@ void mlx4_qp_event(struct mlx4_dev *dev, u32 qpn, int event_type)
 		complete(&qp->free);
 }
 
-int mlx4_qp_modify(struct mlx4_dev *dev, struct mlx4_mtt *mtt,
-		   enum mlx4_qp_state cur_state, enum mlx4_qp_state new_state,
-		   struct mlx4_qp_context *context, enum mlx4_qp_optpar optpar,
-		   int sqd_event, struct mlx4_qp *qp)
+/* used for INIT/CLOSE port logic */
+static int is_master_qp0(struct mlx4_dev *dev, struct mlx4_qp *qp, int *real_qp0, int *proxy_qp0)
+{
+	/* this procedure is called after we already know we are on the master */
+	/* qp0 is either the proxy qp0, or the real qp0 */
+	u32 pf_proxy_offset = dev->phys_caps.base_proxy_sqpn + 8 * mlx4_master_func_num(dev);
+	*proxy_qp0 = qp->qpn >= pf_proxy_offset && qp->qpn <= pf_proxy_offset + 1;
+
+	*real_qp0 = qp->qpn >= dev->phys_caps.base_sqpn &&
+		qp->qpn <= dev->phys_caps.base_sqpn + 1;
+
+	return *real_qp0 || *proxy_qp0;
+}
+
+static int __mlx4_qp_modify(struct mlx4_dev *dev, struct mlx4_mtt *mtt,
+		     enum mlx4_qp_state cur_state, enum mlx4_qp_state new_state,
+		     struct mlx4_qp_context *context,
+		     enum mlx4_qp_optpar optpar,
+		     int sqd_event, struct mlx4_qp *qp, int native)
 {
 	static const u16 op[MLX4_QP_NUM_STATE][MLX4_QP_NUM_STATE] = {
 		[MLX4_QP_STATE_RST] = {
@@ -110,16 +131,31 @@ int mlx4_qp_modify(struct mlx4_dev *dev, struct mlx4_mtt *mtt,
 		}
 	};
 
+	struct mlx4_priv *priv = mlx4_priv(dev);
 	struct mlx4_cmd_mailbox *mailbox;
 	int ret = 0;
+	int real_qp0 = 0;
+	int proxy_qp0 = 0;
+	u8 port;
 
 	if (cur_state >= MLX4_QP_NUM_STATE || new_state >= MLX4_QP_NUM_STATE ||
 	    !op[cur_state][new_state])
 		return -EINVAL;
 
-	if (op[cur_state][new_state] == MLX4_CMD_2RST_QP)
-		return mlx4_cmd(dev, 0, qp->qpn, 2,
-				MLX4_CMD_2RST_QP, MLX4_CMD_TIME_CLASS_A);
+	if (op[cur_state][new_state] == MLX4_CMD_2RST_QP) {
+		ret = mlx4_cmd(dev, 0, qp->qpn, 2,
+			MLX4_CMD_2RST_QP, MLX4_CMD_TIME_CLASS_A, native);
+		if (mlx4_is_master(dev) && cur_state != MLX4_QP_STATE_ERR &&
+		    cur_state != MLX4_QP_STATE_RST &&
+		    is_master_qp0(dev, qp, &real_qp0, &proxy_qp0)) {
+			port = (qp->qpn & 1) + 1;
+			if (proxy_qp0)
+				priv->mfunc.master.qp0_state[port].proxy_qp0_active = 0;
+			else
+				priv->mfunc.master.qp0_state[port].qp0_active = 0;
+		}
+		return ret;
+	}
 
 	mailbox = mlx4_alloc_cmd_mailbox(dev);
 	if (IS_ERR(mailbox))
@@ -138,115 +174,230 @@ int mlx4_qp_modify(struct mlx4_dev *dev, struct mlx4_mtt *mtt,
 	((struct mlx4_qp_context *) (mailbox->buf + 8))->local_qpn =
 		cpu_to_be32(qp->qpn);
 
-	ret = mlx4_cmd(dev, mailbox->dma, qp->qpn | (!!sqd_event << 31),
+	ret = mlx4_cmd(dev, mailbox->dma,
+		       qp->qpn | (!!sqd_event << 31),
 		       new_state == MLX4_QP_STATE_RST ? 2 : 0,
-		       op[cur_state][new_state], MLX4_CMD_TIME_CLASS_C);
+		       op[cur_state][new_state], MLX4_CMD_TIME_CLASS_C, native);
+
+	if (mlx4_is_master(dev) && is_master_qp0(dev, qp, &real_qp0, &proxy_qp0)) {
+		port = (qp->qpn & 1) + 1;
+		if (cur_state != MLX4_QP_STATE_ERR &&
+		    cur_state != MLX4_QP_STATE_RST &&
+		    new_state == MLX4_QP_STATE_ERR) {
+			if (proxy_qp0)
+				priv->mfunc.master.qp0_state[port].proxy_qp0_active = 0;
+			else
+				priv->mfunc.master.qp0_state[port].qp0_active = 0;
+		} else if (new_state == MLX4_QP_STATE_RTR) {
+			if (proxy_qp0)
+				priv->mfunc.master.qp0_state[port].proxy_qp0_active = 1;
+			else
+				priv->mfunc.master.qp0_state[port].qp0_active = 1;
+		}
+	}
 
 	mlx4_free_cmd_mailbox(dev, mailbox);
 	return ret;
 }
+
+int mlx4_qp_modify(struct mlx4_dev *dev, struct mlx4_mtt *mtt,
+		   enum mlx4_qp_state cur_state, enum mlx4_qp_state new_state,
+		   struct mlx4_qp_context *context,
+		   enum mlx4_qp_optpar optpar,
+		   int sqd_event, struct mlx4_qp *qp)
+{
+	return __mlx4_qp_modify(dev, mtt, cur_state, new_state, context,
+				optpar, sqd_event, qp, 0);
+}
 EXPORT_SYMBOL_GPL(mlx4_qp_modify);
 
-int mlx4_qp_reserve_range(struct mlx4_dev *dev, int cnt, int align, int *base)
+int __mlx4_qp_reserve_range(struct mlx4_dev *dev, int cnt, int align,
+			    int *base, u8 bf_qp)
 {
 	struct mlx4_priv *priv = mlx4_priv(dev);
 	struct mlx4_qp_table *qp_table = &priv->qp_table;
-	int qpn;
 
-	qpn = mlx4_bitmap_alloc_range(&qp_table->bitmap, cnt, align);
-	if (qpn == -1)
+	if (cnt > MLX4_MAX_BF_QP_RANGE && bf_qp)
+		return -ENOMEM;
+
+	*base = mlx4_bitmap_alloc_range(&qp_table->bitmap, cnt, align,
+					bf_qp ? MLX4_BF_QP_SKIP_MASK : 0);
+	if (*base == -1)
 		return -ENOMEM;
 
-	*base = qpn;
 	return 0;
 }
+
+int mlx4_qp_reserve_range(struct mlx4_dev *dev, int cnt, int align,
+			  int *base, u8 bf_qp)
+{
+	u64 in_param = 0;
+	u64 out_param;
+	int err;
+
+	if (mlx4_is_mfunc(dev)) {
+		set_param_l(&in_param, (((!!bf_qp) << 31) | (u32)cnt));
+		set_param_h(&in_param, align);
+		err = mlx4_cmd_imm(dev, in_param, &out_param,
+				   RES_QP, RES_OP_RESERVE,
+				   MLX4_CMD_ALLOC_RES,
+				   MLX4_CMD_TIME_CLASS_A, MLX4_CMD_WRAPPED);
+		if (err)
+			return err;
+
+		*base = get_param_l(&out_param);
+		return 0;
+	}
+	return __mlx4_qp_reserve_range(dev, cnt, align, base, bf_qp);
+}
 EXPORT_SYMBOL_GPL(mlx4_qp_reserve_range);
 
-void mlx4_qp_release_range(struct mlx4_dev *dev, int base_qpn, int cnt)
+void __mlx4_qp_release_range(struct mlx4_dev *dev, int base_qpn, int cnt)
 {
 	struct mlx4_priv *priv = mlx4_priv(dev);
 	struct mlx4_qp_table *qp_table = &priv->qp_table;
-	if (base_qpn < dev->caps.sqp_start + 8)
-		return;
 
+	if (mlx4_is_qp_reserved(dev, (u32) base_qpn))
+		return;
 	mlx4_bitmap_free_range(&qp_table->bitmap, base_qpn, cnt);
 }
+
+void mlx4_qp_release_range(struct mlx4_dev *dev, int base_qpn, int cnt)
+{
+	u64 in_param = 0;
+	int err;
+
+	if (mlx4_is_mfunc(dev)) {
+		set_param_l(&in_param, base_qpn);
+		set_param_h(&in_param, cnt);
+		err = mlx4_cmd(dev, in_param, RES_QP, RES_OP_RESERVE,
+			       MLX4_CMD_FREE_RES,
+			       MLX4_CMD_TIME_CLASS_A, MLX4_CMD_WRAPPED);
+		if (err) {
+			mlx4_warn(dev, "Failed to release qp range"
+				  " base:%d cnt:%d\n", base_qpn, cnt);
+		}
+	} else
+		 __mlx4_qp_release_range(dev, base_qpn, cnt);
+}
 EXPORT_SYMBOL_GPL(mlx4_qp_release_range);
 
-int mlx4_qp_alloc(struct mlx4_dev *dev, int qpn, struct mlx4_qp *qp)
+int __mlx4_qp_alloc_icm(struct mlx4_dev *dev, int qpn)
 {
 	struct mlx4_priv *priv = mlx4_priv(dev);
 	struct mlx4_qp_table *qp_table = &priv->qp_table;
 	int err;
 
-	if (!qpn)
-		return -EINVAL;
-
-	qp->qpn = qpn;
-
-	err = mlx4_table_get(dev, &qp_table->qp_table, qp->qpn);
+	err = mlx4_table_get(dev, &qp_table->qp_table, qpn);
 	if (err)
 		goto err_out;
 
-	err = mlx4_table_get(dev, &qp_table->auxc_table, qp->qpn);
+	err = mlx4_table_get(dev, &qp_table->auxc_table, qpn);
 	if (err)
 		goto err_put_qp;
 
-	err = mlx4_table_get(dev, &qp_table->altc_table, qp->qpn);
+	err = mlx4_table_get(dev, &qp_table->altc_table, qpn);
 	if (err)
 		goto err_put_auxc;
 
-	err = mlx4_table_get(dev, &qp_table->rdmarc_table, qp->qpn);
+	err = mlx4_table_get(dev, &qp_table->rdmarc_table, qpn);
 	if (err)
 		goto err_put_altc;
 
-	err = mlx4_table_get(dev, &qp_table->cmpt_table, qp->qpn);
+	err = mlx4_table_get(dev, &qp_table->cmpt_table, qpn);
 	if (err)
 		goto err_put_rdmarc;
 
-	spin_lock_irq(&qp_table->lock);
-	err = radix_tree_insert(&dev->qp_table_tree, qp->qpn & (dev->caps.num_qps - 1), qp);
-	spin_unlock_irq(&qp_table->lock);
-	if (err)
-		goto err_put_cmpt;
-
-	atomic_set(&qp->refcount, 1);
-	init_completion(&qp->free);
-
 	return 0;
 
-err_put_cmpt:
-	mlx4_table_put(dev, &qp_table->cmpt_table, qp->qpn);
-
 err_put_rdmarc:
-	mlx4_table_put(dev, &qp_table->rdmarc_table, qp->qpn);
+	mlx4_table_put(dev, &qp_table->rdmarc_table, qpn);
 
 err_put_altc:
-	mlx4_table_put(dev, &qp_table->altc_table, qp->qpn);
+	mlx4_table_put(dev, &qp_table->altc_table, qpn);
 
 err_put_auxc:
-	mlx4_table_put(dev, &qp_table->auxc_table, qp->qpn);
+	mlx4_table_put(dev, &qp_table->auxc_table, qpn);
 
 err_put_qp:
-	mlx4_table_put(dev, &qp_table->qp_table, qp->qpn);
+	mlx4_table_put(dev, &qp_table->qp_table, qpn);
 
 err_out:
 	return err;
 }
-EXPORT_SYMBOL_GPL(mlx4_qp_alloc);
 
-struct mlx4_qp *mlx4_qp_lookup_lock(struct mlx4_dev *dev, u32 qpn)
+static int mlx4_qp_alloc_icm(struct mlx4_dev *dev, int qpn)
 {
-	struct mlx4_qp_table *qp_table = &mlx4_priv(dev)->qp_table;
-	unsigned long flags;
-	struct mlx4_qp *qp;
+	u64 param = 0;
 
-	spin_lock_irqsave(&qp_table->lock, flags);
-	qp = radix_tree_lookup(&dev->qp_table_tree, qpn & (dev->caps.num_qps - 1));
-	spin_unlock_irqrestore(&qp_table->lock, flags);
-	return qp;
+	if (mlx4_is_mfunc(dev)) {
+		set_param_l(&param, qpn);
+		return mlx4_cmd_imm(dev, param, &param, RES_QP, RES_OP_MAP_ICM,
+				    MLX4_CMD_ALLOC_RES, MLX4_CMD_TIME_CLASS_A,
+				    MLX4_CMD_WRAPPED);
+	}
+	return __mlx4_qp_alloc_icm(dev, qpn);
+}
+
+void __mlx4_qp_free_icm(struct mlx4_dev *dev, int qpn)
+{
+	struct mlx4_priv *priv = mlx4_priv(dev);
+	struct mlx4_qp_table *qp_table = &priv->qp_table;
+
+	mlx4_table_put(dev, &qp_table->cmpt_table, qpn);
+	mlx4_table_put(dev, &qp_table->rdmarc_table, qpn);
+	mlx4_table_put(dev, &qp_table->altc_table, qpn);
+	mlx4_table_put(dev, &qp_table->auxc_table, qpn);
+	mlx4_table_put(dev, &qp_table->qp_table, qpn);
 }
-EXPORT_SYMBOL_GPL(mlx4_qp_lookup_lock);
+
+static void mlx4_qp_free_icm(struct mlx4_dev *dev, int qpn)
+{
+	u64 in_param = 0;
+
+	if (mlx4_is_mfunc(dev)) {
+		set_param_l(&in_param, qpn);
+		if (mlx4_cmd(dev, in_param, RES_QP, RES_OP_MAP_ICM,
+			     MLX4_CMD_FREE_RES, MLX4_CMD_TIME_CLASS_A,
+			     MLX4_CMD_WRAPPED))
+			mlx4_warn(dev, "Failed to free icm of qp:%d\n", qpn);
+	} else
+		__mlx4_qp_free_icm(dev, qpn);
+}
+
+int mlx4_qp_alloc(struct mlx4_dev *dev, int qpn, struct mlx4_qp *qp)
+{
+	struct mlx4_priv *priv = mlx4_priv(dev);
+	struct mlx4_qp_table *qp_table = &priv->qp_table;
+	int err;
+
+	if (!qpn)
+		return -EINVAL;
+
+	qp->qpn = qpn;
+
+	err = mlx4_qp_alloc_icm(dev, qpn);
+	if (err)
+		return err;
+
+	spin_lock_irq(&qp_table->lock);
+	err = radix_tree_insert(&dev->qp_table_tree, qp->qpn &
+				(dev->caps.num_qps - 1), qp);
+	spin_unlock_irq(&qp_table->lock);
+	if (err)
+		goto err_icm;
+
+	atomic_set(&qp->refcount, 1);
+	init_completion(&qp->free);
+
+	return 0;
+
+err_icm:
+	mlx4_qp_free_icm(dev, qpn);
+	return err;
+}
+
+EXPORT_SYMBOL_GPL(mlx4_qp_alloc);
 
 void mlx4_qp_remove(struct mlx4_dev *dev, struct mlx4_qp *qp)
 {
@@ -261,25 +412,18 @@ EXPORT_SYMBOL_GPL(mlx4_qp_remove);
 
 void mlx4_qp_free(struct mlx4_dev *dev, struct mlx4_qp *qp)
 {
-	struct mlx4_qp_table *qp_table = &mlx4_priv(dev)->qp_table;
-
 	if (atomic_dec_and_test(&qp->refcount))
 		complete(&qp->free);
 	wait_for_completion(&qp->free);
 
-	mlx4_table_put(dev, &qp_table->cmpt_table, qp->qpn);
-	mlx4_table_put(dev, &qp_table->rdmarc_table, qp->qpn);
-	mlx4_table_put(dev, &qp_table->altc_table, qp->qpn);
-	mlx4_table_put(dev, &qp_table->auxc_table, qp->qpn);
-	mlx4_table_put(dev, &qp_table->qp_table, qp->qpn);
+	mlx4_qp_free_icm(dev, qp->qpn);
 }
 EXPORT_SYMBOL_GPL(mlx4_qp_free);
 
 static int mlx4_CONF_SPECIAL_QP(struct mlx4_dev *dev, u32 base_qpn)
 {
-	return mlx4_cmd(dev, 0, base_qpn,
-			(dev->caps.flags & MLX4_DEV_CAP_FLAG_RAW_ETY) ? 4 : 0,
-			MLX4_CMD_CONF_SPECIAL_QP, MLX4_CMD_TIME_CLASS_B);
+	return mlx4_cmd(dev, 0, base_qpn, 0, MLX4_CMD_CONF_SPECIAL_QP,
+			MLX4_CMD_TIME_CLASS_B, MLX4_CMD_NATIVE);
 }
 
 int mlx4_init_qp_table(struct mlx4_dev *dev)
@@ -287,18 +431,23 @@ int mlx4_init_qp_table(struct mlx4_dev *dev)
 	struct mlx4_qp_table *qp_table = &mlx4_priv(dev)->qp_table;
 	int err;
 	int reserved_from_top = 0;
+	int reserved_from_bot;
+	int k;
 
 	spin_lock_init(&qp_table->lock);
 	INIT_RADIX_TREE(&dev->qp_table_tree, GFP_ATOMIC);
+	if (mlx4_is_slave(dev))
+		return 0;
 
 	/*
 	 * We reserve 2 extra QPs per port for the special QPs.  The
 	 * block of special QPs must be aligned to a multiple of 8, so
 	 * round up.
+	 *
 	 * We also reserve the MSB of the 24-bit QP number to indicate
-	 * an XRC qp.
+	 * that a QP is an XRC QP.
 	 */
-	dev->caps.sqp_start =
+	dev->phys_caps.base_sqpn =
 		ALIGN(dev->caps.reserved_qps_cnt[MLX4_QP_REGION_FW], 8);
 
 	{
@@ -329,34 +478,82 @@ int mlx4_init_qp_table(struct mlx4_dev *dev)
 
 	}
 
+       /* Reserve 8 real SQPs in both native and SRIOV modes.
+	* In addition, in SRIOV mode, reserve 8 proxy SQPs per function
+	* (for all PFs and VFs), and 8 corresponding tunnel QPs.
+	* Each proxy SQP works opposite its own tunnel QP.
+	*
+	* The QPs are arranged as follows:
+	* a. 8 real SQPs
+	* b. All the proxy SQPs (8 per function)
+	* c. All the tunnel QPs (8 per function)
+	*/
+	reserved_from_bot = mlx4_num_reserved_sqps(dev);
+	if (reserved_from_bot + reserved_from_top > dev->caps.num_qps) {
+		mlx4_err(dev, "Number of reserved QPs is higher than number "
+			 "of QPs, increase the value of log_num_qp\n");
+		return -EINVAL;
+	}
+
 	err = mlx4_bitmap_init(&qp_table->bitmap, dev->caps.num_qps,
-			       (1 << 23) - 1, dev->caps.sqp_start + 8,
+			       (1 << 23) - 1, reserved_from_bot,
 			       reserved_from_top);
 	if (err)
 		return err;
 
-	return mlx4_CONF_SPECIAL_QP(dev, dev->caps.sqp_start);
+	if (mlx4_is_mfunc(dev)) {
+		/* for PPF use */
+		dev->phys_caps.base_proxy_sqpn = dev->phys_caps.base_sqpn + 8;
+		dev->phys_caps.base_tunnel_sqpn = dev->phys_caps.base_sqpn + 8 + 8 * MLX4_MFUNC_MAX;
+
+		/* In mfunc, calculate proxy and tunnel qp offsets for the PF here,
+		 * since the PF does not call mlx4_slave_caps */
+		dev->caps.qp0_tunnel = kcalloc(dev->caps.num_ports, sizeof (u32), GFP_KERNEL);
+		dev->caps.qp0_proxy = kcalloc(dev->caps.num_ports, sizeof (u32), GFP_KERNEL);
+		dev->caps.qp1_tunnel = kcalloc(dev->caps.num_ports, sizeof (u32), GFP_KERNEL);
+		dev->caps.qp1_proxy = kcalloc(dev->caps.num_ports, sizeof (u32), GFP_KERNEL);
+
+		if (!dev->caps.qp0_tunnel || !dev->caps.qp0_proxy ||
+		    !dev->caps.qp1_tunnel || !dev->caps.qp1_proxy) {
+			err = -ENOMEM;
+			goto err_mem;
+		}
+
+		for (k = 0; k < dev->caps.num_ports; k++) {
+			dev->caps.qp0_proxy[k] = dev->phys_caps.base_proxy_sqpn +
+				8 * mlx4_master_func_num(dev) + k;
+			dev->caps.qp0_tunnel[k] = dev->caps.qp0_proxy[k] + 8 * MLX4_MFUNC_MAX;
+			dev->caps.qp1_proxy[k] = dev->phys_caps.base_proxy_sqpn +
+				8 * mlx4_master_func_num(dev) + MLX4_MAX_PORTS + k;
+			dev->caps.qp1_tunnel[k] = dev->caps.qp1_proxy[k] + 8 * MLX4_MFUNC_MAX;
+		}
+	}
+
+
+	err = mlx4_CONF_SPECIAL_QP(dev, dev->phys_caps.base_sqpn);
+	if (err)
+		goto err_mem;
+	return 0;
+
+err_mem:
+	kfree(dev->caps.qp0_tunnel);
+	kfree(dev->caps.qp0_proxy);
+	kfree(dev->caps.qp1_tunnel);
+	kfree(dev->caps.qp1_proxy);
+	dev->caps.qp0_tunnel = dev->caps.qp0_proxy =
+		dev->caps.qp1_tunnel = dev->caps.qp1_proxy = NULL;
+	return err;
 }
 
 void mlx4_cleanup_qp_table(struct mlx4_dev *dev)
 {
+	if (mlx4_is_slave(dev))
+		return;
+
 	mlx4_CONF_SPECIAL_QP(dev, 0);
 	mlx4_bitmap_cleanup(&mlx4_priv(dev)->qp_table.bitmap);
 }
 
-int mlx4_qp_get_region(struct mlx4_dev *dev, enum mlx4_qp_region region,
-			int *base_qpn, int *cnt)
-{
-	if ((region < 0) || (region >= MLX4_NUM_QP_REGION))
-		return -EINVAL;
-
-	*base_qpn = dev->caps.reserved_qps_base[region];
-	*cnt = dev->caps.reserved_qps_cnt[region];
-
-	return 0;
-}
-EXPORT_SYMBOL_GPL(mlx4_qp_get_region);
-
 int mlx4_qp_query(struct mlx4_dev *dev, struct mlx4_qp *qp,
 		  struct mlx4_qp_context *context)
 {
@@ -368,7 +565,8 @@ int mlx4_qp_query(struct mlx4_dev *dev, struct mlx4_qp *qp,
 		return PTR_ERR(mailbox);
 
 	err = mlx4_cmd_box(dev, 0, mailbox->dma, qp->qpn, 0,
-			   MLX4_CMD_QUERY_QP, MLX4_CMD_TIME_CLASS_A);
+			   MLX4_CMD_QUERY_QP, MLX4_CMD_TIME_CLASS_A,
+			   MLX4_CMD_WRAPPED);
 	if (!err)
 		memcpy(context, mailbox->buf + 8, sizeof *context);