diff --git a/drivers/misc/dlb/dlb_bitmap.h b/drivers/misc/dlb/dlb_bitmap.h
index 3ea78b42c79f..5cebf833fab4 100644
--- a/drivers/misc/dlb/dlb_bitmap.h
+++ b/drivers/misc/dlb/dlb_bitmap.h
@@ -73,6 +73,80 @@ static inline void dlb_bitmap_free(struct dlb_bitmap *bitmap)
 	kfree(bitmap);
 }
 
+/**
+ * dlb_bitmap_clear_range() - clear a range of bitmap entries
+ * @bitmap: pointer to dlb_bitmap structure.
+ * @bit: starting bit index.
+ * @len: length of the range.
+ *
+ * Return:
+ * Returns 0 upon success, < 0 otherwise.
+ *
+ * Errors:
+ * EINVAL - bitmap is NULL or is uninitialized, or the range exceeds the bitmap
+ *	    length.
+ */
+static inline int dlb_bitmap_clear_range(struct dlb_bitmap *bitmap,
+					 unsigned int bit,
+					 unsigned int len)
+{
+	if (!bitmap || !bitmap->map)
+		return -EINVAL;
+
+	if (bitmap->len <= bit)
+		return -EINVAL;
+
+	bitmap_clear(bitmap->map, bit, len);
+
+	return 0;
+}
+
+/**
+ * dlb_bitmap_find_set_bit_range() - find an range of set bits
+ * @bitmap: pointer to dlb_bitmap structure.
+ * @len: length of the range.
+ *
+ * This function looks for a range of set bits of length @len.
+ *
+ * Return:
+ * Returns the base bit index upon success, < 0 otherwise.
+ *
+ * Errors:
+ * ENOENT - unable to find a length *len* range of set bits.
+ * EINVAL - bitmap is NULL or is uninitialized, or len is invalid.
+ */
+static inline int dlb_bitmap_find_set_bit_range(struct dlb_bitmap *bitmap,
+						unsigned int len)
+{
+	struct dlb_bitmap *complement_mask = NULL;
+	int ret;
+
+	if (!bitmap || !bitmap->map || len == 0)
+		return -EINVAL;
+
+	if (bitmap->len < len)
+		return -ENOENT;
+
+	ret = dlb_bitmap_alloc(&complement_mask, bitmap->len);
+	if (ret)
+		return ret;
+
+	bitmap_zero(complement_mask->map, complement_mask->len);
+
+	bitmap_complement(complement_mask->map, bitmap->map, bitmap->len);
+
+	ret = bitmap_find_next_zero_area(complement_mask->map,
+					 complement_mask->len,
+					 0,
+					 len,
+					 0);
+
+	dlb_bitmap_free(complement_mask);
+
+	/* No set bit range of length len? */
+	return (ret >= (int)bitmap->len) ? -ENOENT : ret;
+}
+
 /**
  * dlb_bitmap_longest_set_range() - returns longest contiguous range of set
  *				     bits
diff --git a/drivers/misc/dlb/dlb_ioctl.c b/drivers/misc/dlb/dlb_ioctl.c
index 47d6cab773d4..7871d0cea118 100644
--- a/drivers/misc/dlb/dlb_ioctl.c
+++ b/drivers/misc/dlb/dlb_ioctl.c
@@ -1,6 +1,7 @@
 // SPDX-License-Identifier: GPL-2.0-only
 /* Copyright(C) 2016-2020 Intel Corporation. All rights reserved. */
 
+#include <linux/anon_inodes.h>
 #include <linux/uaccess.h>
 
 #include <uapi/linux/dlb.h>
@@ -45,7 +46,10 @@ static int dlb_ioctl_create_sched_domain(struct dlb *dlb, unsigned long user_arg
 	struct dlb_create_sched_domain_args __user *uarg;
 	struct dlb_create_sched_domain_args arg;
 	struct dlb_cmd_response response = {0};
-	int ret;
+	struct dlb_domain *domain;
+	u32 flags = O_RDONLY;
+	size_t offset;
+	int ret, fd;
 
 	uarg = (void __user *)user_arg;
 	if (copy_from_user(&arg, uarg, sizeof(arg)))
@@ -54,10 +58,38 @@ static int dlb_ioctl_create_sched_domain(struct dlb *dlb, unsigned long user_arg
 	mutex_lock(&dlb->resource_mutex);
 
 	ret = dlb->ops->create_sched_domain(&dlb->hw, &arg, &response);
+	if (ret)
+		goto unlock;
+
+	ret = dlb_init_domain(dlb, response.id);
+	if (ret)
+		goto unlock;
+
+	domain = dlb->sched_domains[response.id];
+
+	if (dlb->f->f_mode & FMODE_WRITE)
+		flags = O_RDWR;
+
+	fd = anon_inode_getfd("[dlbdomain]", &dlb_domain_fops,
+			      domain, flags);
+
+	if (fd < 0) {
+		dev_err(dlb->dev, "Failed to get anon fd.\n");
+		kref_put(&domain->refcnt, dlb_free_domain);
+		ret = fd;
+		goto unlock;
+	}
+
+	offset = offsetof(struct dlb_create_sched_domain_args, domain_fd);
+
+	if (copy_to_user((void __user *)(user_arg + offset), &fd, sizeof(fd))) {
+		mutex_unlock(&dlb->resource_mutex);
+		return -EFAULT;
+	}
 
+unlock:
 	mutex_unlock(&dlb->resource_mutex);
 
-	response.status = ret;
 	BUILD_BUG_ON(offsetof(typeof(arg), response) != 0);
 
 	if (copy_to_user((void __user *)&uarg->response, &response, sizeof(response)))
diff --git a/drivers/misc/dlb/dlb_main.c b/drivers/misc/dlb/dlb_main.c
index d92956b1643d..a4ed413eee2f 100644
--- a/drivers/misc/dlb/dlb_main.c
+++ b/drivers/misc/dlb/dlb_main.c
@@ -62,11 +62,79 @@ static int dlb_device_create(struct dlb *dlb, struct pci_dev *pdev)
 /****** Char dev callbacks ******/
 /********************************/
 
+static int dlb_open(struct inode *i, struct file *f)
+{
+	struct dlb *dlb;
+
+	spin_lock(&dlb_ids_lock);
+	dlb = idr_find(&dlb_ids, iminor(i));
+	spin_unlock(&dlb_ids_lock);
+
+	f->private_data = dlb;
+	dlb->f = f;
+
+	return 0;
+}
+
 static const struct file_operations dlb_fops = {
 	.owner   = THIS_MODULE,
+	.open    = dlb_open,
 	.unlocked_ioctl = dlb_ioctl,
 };
 
+int dlb_init_domain(struct dlb *dlb, u32 domain_id)
+{
+	struct dlb_domain *domain;
+
+	domain = kzalloc(sizeof(*domain), GFP_KERNEL);
+	if (!domain)
+		return -ENOMEM;
+
+	domain->id = domain_id;
+
+	kref_init(&domain->refcnt);
+	domain->dlb = dlb;
+
+	dlb->sched_domains[domain_id] = domain;
+
+	return 0;
+}
+
+static int __dlb_free_domain(struct dlb_domain *domain)
+{
+	struct dlb *dlb = domain->dlb;
+
+	dlb->sched_domains[domain->id] = NULL;
+
+	kfree(domain);
+
+	return 0;
+}
+
+void dlb_free_domain(struct kref *kref)
+{
+	__dlb_free_domain(container_of(kref, struct dlb_domain, refcnt));
+}
+
+static int dlb_domain_close(struct inode *i, struct file *f)
+{
+	struct dlb_domain *domain = f->private_data;
+	struct dlb *dlb = domain->dlb;
+
+	mutex_lock(&dlb->resource_mutex);
+
+	kref_put(&domain->refcnt, dlb_free_domain);
+
+	mutex_unlock(&dlb->resource_mutex);
+
+	return 0;
+}
+
+const struct file_operations dlb_domain_fops = {
+	.owner   = THIS_MODULE,
+	.release = dlb_domain_close,
+};
+
 /**********************************/
 /****** PCI driver callbacks ******/
 /**********************************/
diff --git a/drivers/misc/dlb/dlb_main.h b/drivers/misc/dlb/dlb_main.h
index 3089a66a3560..824416e6cdcf 100644
--- a/drivers/misc/dlb/dlb_main.h
+++ b/drivers/misc/dlb/dlb_main.h
@@ -47,12 +47,21 @@ struct dlb_device_ops {
 };
 
 extern struct dlb_device_ops dlb_pf_ops;
+extern const struct file_operations dlb_domain_fops;
+
+struct dlb_domain {
+	struct dlb *dlb;
+	struct kref refcnt;
+	u8 id;
+};
 
 struct dlb {
 	struct pci_dev *pdev;
 	struct dlb_hw hw;
 	struct dlb_device_ops *ops;
 	struct device *dev;
+	struct dlb_domain *sched_domains[DLB_MAX_NUM_DOMAINS];
+	struct file *f;
 	/*
 	 * The resource mutex serializes access to driver data structures and
 	 * hardware registers.
@@ -66,4 +75,19 @@ struct dlb {
 /* Prototypes for dlb_ioctl.c */
 long dlb_ioctl(struct file *f, unsigned int cmd, unsigned long arg);
 
+int dlb_init_domain(struct dlb *dlb, u32 domain_id);
+void dlb_free_domain(struct kref *kref);
+
+#define DLB_HW_ERR(hw, ...) do {		  \
+	struct dlb *dlb;			  \
+	dlb = container_of(hw, struct dlb, hw); \
+	dev_err(dlb->dev, __VA_ARGS__);	  \
+} while (0)
+
+#define DLB_HW_DBG(hw, ...) do {		  \
+	struct dlb *dlb;			  \
+	dlb = container_of(hw, struct dlb, hw); \
+	dev_dbg(dlb->dev, __VA_ARGS__);	  \
+} while (0)
+
 #endif /* __DLB_MAIN_H */
diff --git a/drivers/misc/dlb/dlb_pf_ops.c b/drivers/misc/dlb/dlb_pf_ops.c
index 125ef6fe6c70..b59e9eaa600d 100644
--- a/drivers/misc/dlb/dlb_pf_ops.c
+++ b/drivers/misc/dlb/dlb_pf_ops.c
@@ -103,10 +103,7 @@ static int dlb_pf_create_sched_domain(struct dlb_hw *hw,
 				      struct dlb_create_sched_domain_args *args,
 				      struct dlb_cmd_response *resp)
 {
-	resp->id = 0;
-	resp->status = 0;
-
-	return 0;
+	return dlb_hw_create_sched_domain(hw, args, resp, false, 0);
 }
 
 static int dlb_pf_get_num_resources(struct dlb_hw *hw,
diff --git a/drivers/misc/dlb/dlb_regs.h b/drivers/misc/dlb/dlb_regs.h
index 72f3cb22b933..0fd499f384de 100644
--- a/drivers/misc/dlb/dlb_regs.h
+++ b/drivers/misc/dlb/dlb_regs.h
@@ -6,6 +6,24 @@
 
 #include <linux/types.h>
 
+#define CHP_CFG_DIR_VAS_CRD(x) \
+	(0x40000000 + (x) * 0x1000)
+#define CHP_CFG_DIR_VAS_CRD_RST 0x0
+
+#define CHP_CFG_DIR_VAS_CRD_COUNT	0x00003FFF
+#define CHP_CFG_DIR_VAS_CRD_RSVD0	0xFFFFC000
+#define CHP_CFG_DIR_VAS_CRD_COUNT_LOC	0
+#define CHP_CFG_DIR_VAS_CRD_RSVD0_LOC	14
+
+#define CHP_CFG_LDB_VAS_CRD(x) \
+	(0x40080000 + (x) * 0x1000)
+#define CHP_CFG_LDB_VAS_CRD_RST 0x0
+
+#define CHP_CFG_LDB_VAS_CRD_COUNT	0x00007FFF
+#define CHP_CFG_LDB_VAS_CRD_RSVD0	0xFFFF8000
+#define CHP_CFG_LDB_VAS_CRD_COUNT_LOC	0
+#define CHP_CFG_LDB_VAS_CRD_RSVD0_LOC	15
+
 #define CM_CFG_DIAGNOSTIC_IDLE_STATUS 0xb4000004
 #define CM_CFG_DIAGNOSTIC_IDLE_STATUS_RST 0x9d0fffff
 
diff --git a/drivers/misc/dlb/dlb_resource.c b/drivers/misc/dlb/dlb_resource.c
index 9d75b12eb793..b7df23c6a158 100644
--- a/drivers/misc/dlb/dlb_resource.c
+++ b/drivers/misc/dlb/dlb_resource.c
@@ -3,6 +3,7 @@
 
 #include "dlb_bitmap.h"
 #include "dlb_hw_types.h"
+#include "dlb_main.h"
 #include "dlb_regs.h"
 #include "dlb_resource.h"
 
@@ -200,6 +201,610 @@ int dlb_resource_init(struct dlb_hw *hw)
 	return ret;
 }
 
+static int dlb_attach_ldb_queues(struct dlb_hw *hw,
+				 struct dlb_function_resources *rsrcs,
+				 struct dlb_hw_domain *domain, u32 num_queues,
+				 struct dlb_cmd_response *resp)
+{
+	unsigned int i;
+
+	if (rsrcs->num_avail_ldb_queues < num_queues) {
+		resp->status = DLB_ST_LDB_QUEUES_UNAVAILABLE;
+		DLB_HW_DBG(hw, "[%s()] Internal error: %d\n", __func__,
+			   resp->status);
+		return -EINVAL;
+	}
+
+	for (i = 0; i < num_queues; i++) {
+		struct dlb_ldb_queue *queue;
+
+		queue = list_first_entry_or_null(&rsrcs->avail_ldb_queues,
+						 typeof(*queue), func_list);
+		if (!queue) {
+			DLB_HW_ERR(hw,
+				   "[%s()] Internal error: domain validation failed\n",
+				   __func__);
+			return -EFAULT;
+		}
+
+		list_del(&queue->func_list);
+
+		queue->domain_id = domain->id;
+		queue->owned = true;
+
+		list_add(&queue->domain_list, &domain->avail_ldb_queues);
+	}
+
+	rsrcs->num_avail_ldb_queues -= num_queues;
+
+	return 0;
+}
+
+static struct dlb_ldb_port *
+dlb_get_next_ldb_port(struct dlb_hw *hw, struct dlb_function_resources *rsrcs,
+		      u32 domain_id, u32 cos_id)
+{
+	struct dlb_ldb_port *port;
+
+	/*
+	 * To reduce the odds of consecutive load-balanced ports mapping to the
+	 * same queue(s), the driver attempts to allocate ports whose neighbors
+	 * are owned by a different domain.
+	 */
+	list_for_each_entry(port, &rsrcs->avail_ldb_ports[cos_id], func_list) {
+		u32 next, prev;
+		u32 phys_id;
+
+		phys_id = port->id.phys_id;
+		next = phys_id + 1;
+		prev = phys_id - 1;
+
+		if (phys_id == DLB_MAX_NUM_LDB_PORTS - 1)
+			next = 0;
+		if (phys_id == 0)
+			prev = DLB_MAX_NUM_LDB_PORTS - 1;
+
+		if (!hw->rsrcs.ldb_ports[next].owned ||
+		    hw->rsrcs.ldb_ports[next].domain_id.phys_id == domain_id)
+			continue;
+
+		if (!hw->rsrcs.ldb_ports[prev].owned ||
+		    hw->rsrcs.ldb_ports[prev].domain_id.phys_id == domain_id)
+			continue;
+
+		return port;
+	}
+
+	/*
+	 * Failing that, the driver looks for a port with one neighbor owned by
+	 * a different domain and the other unallocated.
+	 */
+	list_for_each_entry(port, &rsrcs->avail_ldb_ports[cos_id], func_list) {
+		u32 next, prev;
+		u32 phys_id;
+
+		phys_id = port->id.phys_id;
+		next = phys_id + 1;
+		prev = phys_id - 1;
+
+		if (phys_id == DLB_MAX_NUM_LDB_PORTS - 1)
+			next = 0;
+		if (phys_id == 0)
+			prev = DLB_MAX_NUM_LDB_PORTS - 1;
+
+		if (!hw->rsrcs.ldb_ports[prev].owned &&
+		    hw->rsrcs.ldb_ports[next].owned &&
+		    hw->rsrcs.ldb_ports[next].domain_id.phys_id != domain_id)
+			return port;
+
+		if (!hw->rsrcs.ldb_ports[next].owned &&
+		    hw->rsrcs.ldb_ports[prev].owned &&
+		    hw->rsrcs.ldb_ports[prev].domain_id.phys_id != domain_id)
+			return port;
+	}
+
+	/*
+	 * Failing that, the driver looks for a port with both neighbors
+	 * unallocated.
+	 */
+	list_for_each_entry(port, &rsrcs->avail_ldb_ports[cos_id], func_list) {
+		u32 next, prev;
+		u32 phys_id;
+
+		phys_id = port->id.phys_id;
+		next = phys_id + 1;
+		prev = phys_id - 1;
+
+		if (phys_id == DLB_MAX_NUM_LDB_PORTS - 1)
+			next = 0;
+		if (phys_id == 0)
+			prev = DLB_MAX_NUM_LDB_PORTS - 1;
+
+		if (!hw->rsrcs.ldb_ports[prev].owned &&
+		    !hw->rsrcs.ldb_ports[next].owned)
+			return port;
+	}
+
+	/* If all else fails, the driver returns the next available port. */
+	return list_first_entry_or_null(&rsrcs->avail_ldb_ports[cos_id],
+					typeof(*port), func_list);
+}
+
+static int __dlb_attach_ldb_ports(struct dlb_hw *hw,
+				  struct dlb_function_resources *rsrcs,
+				  struct dlb_hw_domain *domain, u32 num_ports,
+				  u32 cos_id, struct dlb_cmd_response *resp)
+{
+	unsigned int i;
+
+	if (rsrcs->num_avail_ldb_ports[cos_id] < num_ports) {
+		resp->status = DLB_ST_LDB_PORTS_UNAVAILABLE;
+		DLB_HW_DBG(hw,
+			   "[%s()] Internal error: %d\n",
+			   __func__,
+			   resp->status);
+		return -EINVAL;
+	}
+
+	for (i = 0; i < num_ports; i++) {
+		struct dlb_ldb_port *port;
+
+		port = dlb_get_next_ldb_port(hw, rsrcs,
+					     domain->id.phys_id, cos_id);
+		if (!port) {
+			DLB_HW_ERR(hw,
+				   "[%s()] Internal error: domain validation failed\n",
+				   __func__);
+			return -EFAULT;
+		}
+
+		list_del(&port->func_list);
+
+		port->domain_id = domain->id;
+		port->owned = true;
+
+		list_add(&port->domain_list,
+			 &domain->avail_ldb_ports[cos_id]);
+	}
+
+	rsrcs->num_avail_ldb_ports[cos_id] -= num_ports;
+
+	return 0;
+}
+
+static int dlb_attach_ldb_ports(struct dlb_hw *hw,
+				struct dlb_function_resources *rsrcs,
+				struct dlb_hw_domain *domain,
+				struct dlb_create_sched_domain_args *args,
+				struct dlb_cmd_response *resp)
+{
+	unsigned int i, j;
+	int ret;
+
+	if (args->cos_strict) {
+		for (i = 0; i < DLB_NUM_COS_DOMAINS; i++) {
+			u32 num = args->num_cos_ldb_ports[i];
+
+			/* Allocate ports from specific classes-of-service */
+			ret = __dlb_attach_ldb_ports(hw, rsrcs, domain, num,
+						     i, resp);
+			if (ret)
+				return ret;
+		}
+	} else {
+		unsigned int k;
+		u32 cos_id;
+
+		/*
+		 * Attempt to allocate from specific class-of-service, but
+		 * fallback to the other classes if that fails.
+		 */
+		for (i = 0; i < DLB_NUM_COS_DOMAINS; i++) {
+			for (j = 0; j < args->num_cos_ldb_ports[i]; j++) {
+				for (k = 0; k < DLB_NUM_COS_DOMAINS; k++) {
+					cos_id = (i + k) % DLB_NUM_COS_DOMAINS;
+
+					ret = __dlb_attach_ldb_ports(hw, rsrcs, domain,
+								     1, cos_id, resp);
+					if (ret == 0)
+						break;
+				}
+
+				if (ret)
+					return ret;
+			}
+		}
+	}
+
+	/* Allocate num_ldb_ports from any class-of-service */
+	for (i = 0; i < args->num_ldb_ports; i++) {
+		for (j = 0; j < DLB_NUM_COS_DOMAINS; j++) {
+			ret = __dlb_attach_ldb_ports(hw, rsrcs, domain, 1, j, resp);
+			if (ret == 0)
+				break;
+		}
+
+		if (ret)
+			return ret;
+	}
+
+	return 0;
+}
+
+static int dlb_attach_dir_ports(struct dlb_hw *hw,
+				struct dlb_function_resources *rsrcs,
+				struct dlb_hw_domain *domain, u32 num_ports,
+				struct dlb_cmd_response *resp)
+{
+	unsigned int i;
+
+	if (rsrcs->num_avail_dir_pq_pairs < num_ports) {
+		resp->status = DLB_ST_DIR_PORTS_UNAVAILABLE;
+		DLB_HW_DBG(hw,
+			   "[%s()] Internal error: %d\n",
+			   __func__,
+			   resp->status);
+		return -EINVAL;
+	}
+
+	for (i = 0; i < num_ports; i++) {
+		struct dlb_dir_pq_pair *port;
+
+		port = list_first_entry_or_null(&rsrcs->avail_dir_pq_pairs,
+						typeof(*port), func_list);
+		if (!port) {
+			DLB_HW_ERR(hw,
+				   "[%s()] Internal error: domain validation failed\n",
+				   __func__);
+			return -EFAULT;
+		}
+
+		list_del(&port->func_list);
+
+		port->domain_id = domain->id;
+		port->owned = true;
+
+		list_add(&port->domain_list, &domain->avail_dir_pq_pairs);
+	}
+
+	rsrcs->num_avail_dir_pq_pairs -= num_ports;
+
+	return 0;
+}
+
+static int dlb_attach_ldb_credits(struct dlb_function_resources *rsrcs,
+				  struct dlb_hw_domain *domain, u32 num_credits,
+				  struct dlb_cmd_response *resp)
+{
+	if (rsrcs->num_avail_qed_entries < num_credits) {
+		resp->status = DLB_ST_LDB_CREDITS_UNAVAILABLE;
+		return -EINVAL;
+	}
+
+	rsrcs->num_avail_qed_entries -= num_credits;
+	domain->num_ldb_credits += num_credits;
+	return 0;
+}
+
+static int dlb_attach_dir_credits(struct dlb_function_resources *rsrcs,
+				  struct dlb_hw_domain *domain, u32 num_credits,
+				  struct dlb_cmd_response *resp)
+{
+	if (rsrcs->num_avail_dqed_entries < num_credits) {
+		resp->status = DLB_ST_DIR_CREDITS_UNAVAILABLE;
+		return -EINVAL;
+	}
+
+	rsrcs->num_avail_dqed_entries -= num_credits;
+	domain->num_dir_credits += num_credits;
+	return 0;
+}
+
+static int dlb_attach_atomic_inflights(struct dlb_function_resources *rsrcs,
+				       struct dlb_hw_domain *domain,
+				       u32 num_atomic_inflights,
+				       struct dlb_cmd_response *resp)
+{
+	if (rsrcs->num_avail_aqed_entries < num_atomic_inflights) {
+		resp->status = DLB_ST_ATOMIC_INFLIGHTS_UNAVAILABLE;
+		return -EINVAL;
+	}
+
+	rsrcs->num_avail_aqed_entries -= num_atomic_inflights;
+	domain->num_avail_aqed_entries += num_atomic_inflights;
+	return 0;
+}
+
+static int
+dlb_attach_domain_hist_list_entries(struct dlb_function_resources *rsrcs,
+				    struct dlb_hw_domain *domain,
+				    u32 num_hist_list_entries,
+				    struct dlb_cmd_response *resp)
+{
+	struct dlb_bitmap *bitmap;
+	int base;
+
+	if (num_hist_list_entries) {
+		bitmap = rsrcs->avail_hist_list_entries;
+
+		base = dlb_bitmap_find_set_bit_range(bitmap,
+						     num_hist_list_entries);
+		if (base < 0)
+			goto error;
+
+		domain->total_hist_list_entries = num_hist_list_entries;
+		domain->avail_hist_list_entries = num_hist_list_entries;
+		domain->hist_list_entry_base = base;
+		domain->hist_list_entry_offset = 0;
+
+		dlb_bitmap_clear_range(bitmap, base, num_hist_list_entries);
+	}
+	return 0;
+
+error:
+	resp->status = DLB_ST_HIST_LIST_ENTRIES_UNAVAILABLE;
+	return -EINVAL;
+}
+
+static int
+dlb_verify_create_sched_dom_args(struct dlb_function_resources *rsrcs,
+				 struct dlb_create_sched_domain_args *args,
+				 struct dlb_cmd_response *resp,
+				 struct dlb_hw_domain **out_domain)
+{
+	u32 num_avail_ldb_ports, req_ldb_ports;
+	struct dlb_bitmap *avail_hl_entries;
+	unsigned int max_contig_hl_range;
+	struct dlb_hw_domain *domain;
+	int i;
+
+	avail_hl_entries = rsrcs->avail_hist_list_entries;
+
+	max_contig_hl_range = dlb_bitmap_longest_set_range(avail_hl_entries);
+
+	num_avail_ldb_ports = 0;
+	req_ldb_ports = 0;
+	for (i = 0; i < DLB_NUM_COS_DOMAINS; i++) {
+		num_avail_ldb_ports += rsrcs->num_avail_ldb_ports[i];
+
+		req_ldb_ports += args->num_cos_ldb_ports[i];
+	}
+
+	req_ldb_ports += args->num_ldb_ports;
+
+	if (rsrcs->num_avail_domains < 1) {
+		resp->status = DLB_ST_DOMAIN_UNAVAILABLE;
+		return -EINVAL;
+	}
+
+	domain = list_first_entry_or_null(&rsrcs->avail_domains,
+					  typeof(*domain), func_list);
+	if (!domain) {
+		resp->status = DLB_ST_DOMAIN_UNAVAILABLE;
+		return -EFAULT;
+	}
+
+	if (rsrcs->num_avail_ldb_queues < args->num_ldb_queues) {
+		resp->status = DLB_ST_LDB_QUEUES_UNAVAILABLE;
+		return -EINVAL;
+	}
+
+	if (req_ldb_ports > num_avail_ldb_ports) {
+		resp->status = DLB_ST_LDB_PORTS_UNAVAILABLE;
+		return -EINVAL;
+	}
+
+	for (i = 0; args->cos_strict && i < DLB_NUM_COS_DOMAINS; i++) {
+		if (args->num_cos_ldb_ports[i] >
+		    rsrcs->num_avail_ldb_ports[i]) {
+			resp->status = DLB_ST_LDB_PORTS_UNAVAILABLE;
+			return -EINVAL;
+		}
+	}
+
+	if (args->num_ldb_queues > 0 && req_ldb_ports == 0) {
+		resp->status = DLB_ST_LDB_PORT_REQUIRED_FOR_LDB_QUEUES;
+		return -EINVAL;
+	}
+
+	if (rsrcs->num_avail_dir_pq_pairs < args->num_dir_ports) {
+		resp->status = DLB_ST_DIR_PORTS_UNAVAILABLE;
+		return -EINVAL;
+	}
+
+	if (rsrcs->num_avail_qed_entries < args->num_ldb_credits) {
+		resp->status = DLB_ST_LDB_CREDITS_UNAVAILABLE;
+		return -EINVAL;
+	}
+
+	if (rsrcs->num_avail_dqed_entries < args->num_dir_credits) {
+		resp->status = DLB_ST_DIR_CREDITS_UNAVAILABLE;
+		return -EINVAL;
+	}
+
+	if (rsrcs->num_avail_aqed_entries < args->num_atomic_inflights) {
+		resp->status = DLB_ST_ATOMIC_INFLIGHTS_UNAVAILABLE;
+		return -EINVAL;
+	}
+
+	if (max_contig_hl_range < args->num_hist_list_entries) {
+		resp->status = DLB_ST_HIST_LIST_ENTRIES_UNAVAILABLE;
+		return -EINVAL;
+	}
+
+	*out_domain = domain;
+
+	return 0;
+}
+
+static void dlb_configure_domain_credits(struct dlb_hw *hw,
+					 struct dlb_hw_domain *domain)
+{
+	u32 reg = 0;
+
+	BITS_SET(reg, domain->num_ldb_credits, CHP_CFG_LDB_VAS_CRD_COUNT);
+	DLB_CSR_WR(hw, CHP_CFG_LDB_VAS_CRD(domain->id.phys_id), reg);
+
+	reg = 0;
+	BITS_SET(reg, domain->num_dir_credits, CHP_CFG_DIR_VAS_CRD_COUNT);
+	DLB_CSR_WR(hw, CHP_CFG_DIR_VAS_CRD(domain->id.phys_id), reg);
+}
+
+static int
+dlb_domain_attach_resources(struct dlb_hw *hw,
+			    struct dlb_function_resources *rsrcs,
+			    struct dlb_hw_domain *domain,
+			    struct dlb_create_sched_domain_args *args,
+			    struct dlb_cmd_response *resp)
+{
+	int ret;
+
+	ret = dlb_attach_ldb_queues(hw, rsrcs, domain, args->num_ldb_queues, resp);
+	if (ret)
+		return ret;
+
+	ret = dlb_attach_ldb_ports(hw, rsrcs, domain, args, resp);
+	if (ret)
+		return ret;
+
+	ret = dlb_attach_dir_ports(hw, rsrcs, domain, args->num_dir_ports, resp);
+	if (ret)
+		return ret;
+
+	ret = dlb_attach_ldb_credits(rsrcs, domain,
+				     args->num_ldb_credits, resp);
+	if (ret)
+		return ret;
+
+	ret = dlb_attach_dir_credits(rsrcs, domain, args->num_dir_credits, resp);
+	if (ret)
+		return ret;
+
+	ret = dlb_attach_domain_hist_list_entries(rsrcs, domain,
+						  args->num_hist_list_entries,
+						  resp);
+	if (ret)
+		return ret;
+
+	ret = dlb_attach_atomic_inflights(rsrcs, domain,
+					  args->num_atomic_inflights, resp);
+	if (ret)
+		return ret;
+
+	dlb_configure_domain_credits(hw, domain);
+
+	domain->configured = true;
+
+	domain->started = false;
+
+	rsrcs->num_avail_domains--;
+
+	return 0;
+}
+
+static void
+dlb_log_create_sched_domain_args(struct dlb_hw *hw,
+				 struct dlb_create_sched_domain_args *args,
+				 bool vdev_req, unsigned int vdev_id)
+{
+	DLB_HW_DBG(hw, "DLB create sched domain arguments:\n");
+	if (vdev_req)
+		DLB_HW_DBG(hw, "(Request from vdev %d)\n", vdev_id);
+	DLB_HW_DBG(hw, "\tNumber of LDB queues:          %d\n",
+		   args->num_ldb_queues);
+	DLB_HW_DBG(hw, "\tNumber of LDB ports (any CoS): %d\n",
+		   args->num_ldb_ports);
+	DLB_HW_DBG(hw, "\tNumber of LDB ports (CoS 0):   %d\n",
+		   args->num_cos_ldb_ports[0]);
+	DLB_HW_DBG(hw, "\tNumber of LDB ports (CoS 1):   %d\n",
+		   args->num_cos_ldb_ports[1]);
+	DLB_HW_DBG(hw, "\tNumber of LDB ports (CoS 2):   %d\n",
+		   args->num_cos_ldb_ports[2]);
+	DLB_HW_DBG(hw, "\tNumber of LDB ports (CoS 3):   %d\n",
+		   args->num_cos_ldb_ports[3]);
+	DLB_HW_DBG(hw, "\tStrict CoS allocation:         %d\n",
+		   args->cos_strict);
+	DLB_HW_DBG(hw, "\tNumber of DIR ports:           %d\n",
+		   args->num_dir_ports);
+	DLB_HW_DBG(hw, "\tNumber of ATM inflights:       %d\n",
+		   args->num_atomic_inflights);
+	DLB_HW_DBG(hw, "\tNumber of hist list entries:   %d\n",
+		   args->num_hist_list_entries);
+	DLB_HW_DBG(hw, "\tNumber of LDB credits:         %d\n",
+		   args->num_ldb_credits);
+	DLB_HW_DBG(hw, "\tNumber of DIR credits:         %d\n",
+		   args->num_dir_credits);
+}
+
+/**
+ * dlb_hw_create_sched_domain() - create a scheduling domain
+ * @hw: dlb_hw handle for a particular device.
+ * @args: scheduling domain creation arguments.
+ * @resp: response structure.
+ * @vdev_req: indicates whether this request came from a vdev.
+ * @vdev_id: If vdev_req is true, this contains the vdev's ID.
+ *
+ * This function creates a scheduling domain containing the resources specified
+ * in args. The individual resources (queues, ports, credits) can be configured
+ * after creating a scheduling domain.
+ *
+ * A vdev can be either an SR-IOV virtual function or a Scalable IOV virtual
+ * device.
+ *
+ * Return:
+ * Returns 0 upon success, < 0 otherwise. If an error occurs, resp->status is
+ * assigned a detailed error code from enum dlb_error. If successful, resp->id
+ * contains the domain ID.
+ *
+ * resp->id contains a virtual ID if vdev_req is true.
+ *
+ * Errors:
+ * EINVAL - A requested resource is unavailable, or the requested domain name
+ *	    is already in use.
+ * EFAULT - Internal error (resp->status not set).
+ */
+int dlb_hw_create_sched_domain(struct dlb_hw *hw,
+			       struct dlb_create_sched_domain_args *args,
+			       struct dlb_cmd_response *resp,
+			       bool vdev_req, unsigned int vdev_id)
+{
+	struct dlb_function_resources *rsrcs;
+	struct dlb_hw_domain *domain;
+	int ret;
+
+	rsrcs = (vdev_req) ? &hw->vdev[vdev_id] : &hw->pf;
+
+	dlb_log_create_sched_domain_args(hw, args, vdev_req, vdev_id);
+
+	/*
+	 * Verify that hardware resources are available before attempting to
+	 * satisfy the request. This simplifies the error unwinding code.
+	 */
+	ret = dlb_verify_create_sched_dom_args(rsrcs, args, resp, &domain);
+	if (ret)
+		return ret;
+
+	dlb_init_domain_rsrc_lists(domain);
+
+	ret = dlb_domain_attach_resources(hw, rsrcs, domain, args, resp);
+	if (ret) {
+		DLB_HW_ERR(hw,
+			   "[%s()] Internal error: failed to verify args.\n",
+			   __func__);
+
+		return ret;
+	}
+
+	list_del(&domain->func_list);
+
+	list_add(&domain->func_list, &rsrcs->used_domains);
+
+	resp->id = (vdev_req) ? domain->id.virt_id : domain->id.phys_id;
+	resp->status = 0;
+
+	return 0;
+}
+
 /**
  * dlb_hw_get_num_resources() - query the PCI function's available resources
  * @hw: dlb_hw handle for a particular device.
diff --git a/drivers/misc/dlb/dlb_resource.h b/drivers/misc/dlb/dlb_resource.h
index 3e6d419796bc..efc5140970cd 100644
--- a/drivers/misc/dlb/dlb_resource.h
+++ b/drivers/misc/dlb/dlb_resource.h
@@ -6,12 +6,19 @@
 
 #include <linux/types.h>
 
+#include <uapi/linux/dlb.h>
+
 #include "dlb_hw_types.h"
 
 int dlb_resource_init(struct dlb_hw *hw);
 
 void dlb_resource_free(struct dlb_hw *hw);
 
+int dlb_hw_create_sched_domain(struct dlb_hw *hw,
+			       struct dlb_create_sched_domain_args *args,
+			       struct dlb_cmd_response *resp,
+			       bool vdev_req, unsigned int vdev_id);
+
 int dlb_hw_get_num_resources(struct dlb_hw *hw,
 			     struct dlb_get_num_resources_args *arg,
 			     bool vdev_req, unsigned int vdev_id);
diff --git a/include/uapi/linux/dlb.h b/include/uapi/linux/dlb.h
index 87ba1bfa75ed..0b152d29f9e4 100644
--- a/include/uapi/linux/dlb.h
+++ b/include/uapi/linux/dlb.h
@@ -6,6 +6,20 @@
 
 #include <linux/types.h>
 
+enum dlb_error {
+	DLB_ST_SUCCESS = 0,
+	DLB_ST_DOMAIN_UNAVAILABLE,
+	DLB_ST_LDB_PORTS_UNAVAILABLE,
+	DLB_ST_DIR_PORTS_UNAVAILABLE,
+	DLB_ST_LDB_QUEUES_UNAVAILABLE,
+	DLB_ST_LDB_CREDITS_UNAVAILABLE,
+	DLB_ST_DIR_CREDITS_UNAVAILABLE,
+	DLB_ST_SEQUENCE_NUMBERS_UNAVAILABLE,
+	DLB_ST_ATOMIC_INFLIGHTS_UNAVAILABLE,
+	DLB_ST_HIST_LIST_ENTRIES_UNAVAILABLE,
+	DLB_ST_LDB_PORT_REQUIRED_FOR_LDB_QUEUES,
+};
+
 struct dlb_cmd_response {
 	__u32 status; /* Interpret using enum dlb_error */
 	__u32 id;
