diff --git a/drivers/event/dlb2/dlb2.c b/drivers/event/dlb2/dlb2.c
new file mode 100644
index 0000000..7ff7dac
--- /dev/null
+++ b/drivers/event/dlb2/dlb2.c
@@ -0,0 +1,557 @@
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(c) 2016-2020 Intel Corporation
+ */
+
+#include <assert.h>
+#include <errno.h>
+#include <nmmintrin.h>
+#include <pthread.h>
+#include <stdint.h>
+#include <stdbool.h>
+#include <stdio.h>
+#include <string.h>
+#include <sys/mman.h>
+#include <sys/fcntl.h>
+
+#include <rte_common.h>
+#include <rte_config.h>
+#include <rte_cycles.h>
+#include <rte_debug.h>
+#include <rte_dev.h>
+#include <rte_errno.h>
+#include <rte_eventdev.h>
+#include <rte_eventdev_pmd.h>
+#include <rte_kvargs.h>
+#include <rte_io.h>
+#include <rte_log.h>
+#include <rte_malloc.h>
+#include <rte_mbuf.h>
+#include <rte_prefetch.h>
+#include <rte_ring.h>
+#include <rte_string_fns.h>
+
+#include "dlb2_priv.h"
+#include "dlb2_iface.h"
+#include "dlb2_inline_fns.h"
+
+#if !defined RTE_ARCH_X86_64
+#error "This implementation only supports RTE_ARCH_X86_64 architecture."
+#endif
+
+/*
+ * Resources exposed to eventdev. Some values overridden at runtime using
+ * values returned by the DLB kernel driver.
+ */
+#if (RTE_EVENT_MAX_QUEUES_PER_DEV > UINT8_MAX)
+#error "RTE_EVENT_MAX_QUEUES_PER_DEV cannot fit in member max_event_queues"
+#endif
+static struct rte_event_dev_info evdev_dlb2_default_info = {
+	.driver_name = "", /* probe will set */
+	.min_dequeue_timeout_ns = DLB2_MIN_DEQUEUE_TIMEOUT_NS,
+	.max_dequeue_timeout_ns = DLB2_MAX_DEQUEUE_TIMEOUT_NS,
+#if (RTE_EVENT_MAX_QUEUES_PER_DEV < DLB2_MAX_NUM_LDB_QUEUES)
+	.max_event_queues = RTE_EVENT_MAX_QUEUES_PER_DEV,
+#else
+	.max_event_queues = DLB2_MAX_NUM_LDB_QUEUES,
+#endif
+	.max_event_queue_flows = DLB2_MAX_NUM_FLOWS,
+	.max_event_queue_priority_levels = DLB2_QID_PRIORITIES,
+	.max_event_priority_levels = DLB2_QID_PRIORITIES,
+	.max_event_ports = DLB2_MAX_NUM_LDB_PORTS,
+	.max_event_port_dequeue_depth = DLB2_MAX_CQ_DEPTH,
+	.max_event_port_enqueue_depth = DLB2_MAX_ENQUEUE_DEPTH,
+	.max_event_port_links = DLB2_MAX_NUM_QIDS_PER_LDB_CQ,
+	.max_num_events = DLB2_MAX_NUM_LDB_CREDITS,
+	.max_single_link_event_port_queue_pairs = DLB2_MAX_NUM_DIR_PORTS,
+	.event_dev_cap = (RTE_EVENT_DEV_CAP_QUEUE_QOS |
+			  RTE_EVENT_DEV_CAP_EVENT_QOS |
+			  RTE_EVENT_DEV_CAP_BURST_MODE |
+			  RTE_EVENT_DEV_CAP_DISTRIBUTED_SCHED |
+			  RTE_EVENT_DEV_CAP_IMPLICIT_RELEASE_DISABLE |
+			  RTE_EVENT_DEV_CAP_QUEUE_ALL_TYPES),
+};
+
+/* These functions will vary based on processor capabilities */
+static struct dlb2_port_low_level_io_functions qm_mmio_fns;
+
+struct process_local_port_data
+dlb2_port[DLB2_MAX_NUM_PORTS][DLB2_NUM_PORT_TYPES];
+
+/* override defaults with value(s) provided on command line */
+static void
+dlb2_init_queue_depth_thresholds(struct dlb2_eventdev *dlb2,
+				 int *qid_depth_thresholds)
+{
+	int q;
+
+	for (q = 0; q < DLB2_MAX_NUM_QUEUES; q++) {
+		if (qid_depth_thresholds[q] != 0)
+			dlb2->ev_queues[q].depth_threshold =
+				qid_depth_thresholds[q];
+	}
+}
+
+static int
+dlb2_hw_query_resources(struct dlb2_eventdev *dlb2)
+{
+	struct dlb2_hw_dev *handle = &dlb2->qm_instance;
+	struct dlb2_hw_resource_info *dlb2_info = &handle->info;
+	int ret;
+
+	/* Query driver resources provisioned for this VF */
+
+	ret = dlb2_iface_get_num_resources(handle,
+					   &dlb2->hw_rsrc_query_results);
+	if (ret) {
+		DLB2_LOG_ERR("ioctl get dlb2 num resources, err=%d\n",
+			     ret);
+		return ret;
+	}
+
+	/* Complete filling in device resource info returned to evdev app,
+	 * overriding any default values.
+	 * The capabilities (CAPs) were set at compile time.
+	 */
+
+	evdev_dlb2_default_info.max_event_queues =
+		dlb2->hw_rsrc_query_results.num_ldb_queues;
+
+	evdev_dlb2_default_info.max_event_ports =
+		dlb2->hw_rsrc_query_results.num_ldb_ports;
+
+	evdev_dlb2_default_info.max_num_events =
+		dlb2->hw_rsrc_query_results.num_ldb_credits;
+
+	/* Save off values used when creating the scheduling domain. */
+
+	handle->info.num_sched_domains =
+		dlb2->hw_rsrc_query_results.num_sched_domains;
+
+	handle->info.hw_rsrc_max.nb_events_limit =
+		dlb2->hw_rsrc_query_results.num_ldb_credits;
+
+	handle->info.hw_rsrc_max.num_queues =
+		dlb2->hw_rsrc_query_results.num_ldb_queues +
+		dlb2->hw_rsrc_query_results.num_dir_ports;
+
+	handle->info.hw_rsrc_max.num_ldb_queues =
+		dlb2->hw_rsrc_query_results.num_ldb_queues;
+
+	handle->info.hw_rsrc_max.num_ldb_ports =
+		dlb2->hw_rsrc_query_results.num_ldb_ports;
+
+	handle->info.hw_rsrc_max.num_dir_ports =
+		dlb2->hw_rsrc_query_results.num_dir_ports;
+
+	handle->info.hw_rsrc_max.reorder_window_size =
+		dlb2->hw_rsrc_query_results.num_hist_list_entries;
+
+	rte_memcpy(dlb2_info, &handle->info.hw_rsrc_max, sizeof(*dlb2_info));
+
+	return 0;
+}
+
+static void
+dlb2_qm_mmio_fn_init(void)
+{
+	/* Process-local function pointers for performing low level port i/o */
+
+	if (rte_cpu_get_flag_enabled(RTE_CPUFLAG_MOVDIR64B))
+		qm_mmio_fns.pp_enqueue_four = dlb2_movdir64b;
+	else
+		qm_mmio_fns.pp_enqueue_four = dlb2_movntdq;
+}
+
+#define RTE_BASE_10 10
+
+int dlb2_string_to_int(int *result, const char *str)
+{
+	long ret;
+
+	if (str == NULL || result == NULL)
+		return -EINVAL;
+
+	errno = 0;
+	ret = strtol(str, NULL, RTE_BASE_10);
+	if (errno)
+		return -errno;
+
+	/* long int and int may be different width for some architectures */
+	if (ret < INT_MIN || ret > INT_MAX)
+		return -EINVAL;
+
+	*result = ret;
+	return 0;
+}
+
+static int
+set_numa_node(const char *key __rte_unused, const char *value, void *opaque)
+{
+	int *socket_id = opaque;
+	int ret;
+
+	ret = dlb2_string_to_int(socket_id, value);
+	if (ret < 0)
+		return ret;
+
+	if (*socket_id > RTE_MAX_NUMA_NODES)
+		return -EINVAL;
+	return 0;
+}
+
+static int
+set_max_num_events(const char *key __rte_unused,
+		   const char *value,
+		   void *opaque)
+{
+	int *max_num_events = opaque;
+	int ret;
+
+	if (value == NULL || opaque == NULL) {
+		DLB2_LOG_ERR("NULL pointer\n");
+		return -EINVAL;
+	}
+
+	ret = dlb2_string_to_int(max_num_events, value);
+	if (ret < 0)
+		return ret;
+
+
+	if (*max_num_events < 0 || *max_num_events >
+			DLB2_MAX_NUM_LDB_CREDITS) {
+		DLB2_LOG_ERR("dlb2: max_num_events must be between 0 and %d\n",
+			     DLB2_MAX_NUM_LDB_CREDITS);
+		return -EINVAL;
+	}
+
+	return 0;
+}
+
+static int
+set_num_dir_credits(const char *key __rte_unused,
+		    const char *value,
+		    void *opaque)
+{
+	int *num_dir_credits = opaque;
+	int ret;
+
+	if (value == NULL || opaque == NULL) {
+		DLB2_LOG_ERR("NULL pointer\n");
+		return -EINVAL;
+	}
+
+	ret = dlb2_string_to_int(num_dir_credits, value);
+	if (ret < 0)
+		return ret;
+
+	if (*num_dir_credits < 0 ||
+	    *num_dir_credits > DLB2_MAX_NUM_DIR_CREDITS) {
+		DLB2_LOG_ERR("dlb2: num_dir_credits must be between 0 and %d\n",
+			     DLB2_MAX_NUM_DIR_CREDITS);
+		return -EINVAL;
+	}
+
+	return 0;
+}
+
+static int
+set_dev_id(const char *key __rte_unused,
+	   const char *value,
+	   void *opaque)
+{
+	int *dev_id = opaque;
+	int ret;
+
+	if (value == NULL || opaque == NULL) {
+		DLB2_LOG_ERR("NULL pointer\n");
+		return -EINVAL;
+	}
+
+	ret = dlb2_string_to_int(dev_id, value);
+	if (ret < 0)
+		return ret;
+
+	return 0;
+}
+
+static int
+set_cos(const char *key __rte_unused,
+	const char *value,
+	void *opaque)
+{
+	enum dlb2_cos *cos_id = opaque;
+	int x = 0;
+	int ret;
+
+	if (value == NULL || opaque == NULL) {
+		DLB2_LOG_ERR("NULL pointer\n");
+		return -EINVAL;
+	}
+
+	ret = dlb2_string_to_int(&x, value);
+	if (ret < 0)
+		return ret;
+
+	if (x != DLB2_COS_DEFAULT && (x < DLB2_COS_0 || x > DLB2_COS_3)) {
+		DLB2_LOG_ERR("COS %d out of range, must be 0-3\n", x);
+		return -EINVAL;
+	}
+
+	*cos_id = x;
+
+	return 0;
+}
+
+
+static int
+set_qid_depth_thresh(const char *key __rte_unused,
+		     const char *value,
+		     void *opaque)
+{
+	struct dlb2_qid_depth_thresholds *qid_thresh = opaque;
+	int first, last, thresh, i;
+
+	if (value == NULL || opaque == NULL) {
+		DLB2_LOG_ERR("NULL pointer\n");
+		return -EINVAL;
+	}
+
+	/* command line override may take one of the following 3 forms:
+	 * qid_depth_thresh=all:<threshold_value> ... all queues
+	 * qid_depth_thresh=qidA-qidB:<threshold_value> ... a range of queues
+	 * qid_depth_thresh=qid:<threshold_value> ... just one queue
+	 */
+	if (sscanf(value, "all:%d", &thresh) == 1) {
+		first = 0;
+		last = DLB2_MAX_NUM_QUEUES - 1;
+	} else if (sscanf(value, "%d-%d:%d", &first, &last, &thresh) == 3) {
+		/* we have everything we need */
+	} else if (sscanf(value, "%d:%d", &first, &thresh) == 2) {
+		last = first;
+	} else {
+		DLB2_LOG_ERR("Error parsing qid depth vdev arg. Should be all:val, qid-qid:val, or qid:val\n");
+		return -EINVAL;
+	}
+
+	if (first > last || first < 0 || last >= DLB2_MAX_NUM_QUEUES) {
+		DLB2_LOG_ERR("Error parsing qid depth vdev arg, invalid qid value\n");
+		return -EINVAL;
+	}
+
+	if (thresh < 0 || thresh > DLB2_MAX_QUEUE_DEPTH_THRESHOLD) {
+		DLB2_LOG_ERR("Error parsing qid depth vdev arg, threshold > %d\n",
+			     DLB2_MAX_QUEUE_DEPTH_THRESHOLD);
+		return -EINVAL;
+	}
+
+	for (i = first; i <= last; i++)
+		qid_thresh->val[i] = thresh; /* indexed by qid */
+
+	return 0;
+}
+
+static void
+dlb2_entry_points_init(struct rte_eventdev *dev)
+{
+	RTE_SET_USED(dev);
+
+	/* Eventdev PMD entry points */
+}
+
+int
+dlb2_primary_eventdev_probe(struct rte_eventdev *dev,
+			    const char *name,
+			    struct dlb2_devargs *dlb2_args)
+{
+	struct dlb2_eventdev *dlb2;
+	int err, i;
+
+	dlb2 = dev->data->dev_private;
+
+	dlb2->event_dev = dev; /* backlink */
+
+	evdev_dlb2_default_info.driver_name = name;
+
+	dlb2->max_num_events_override = dlb2_args->max_num_events;
+	dlb2->num_dir_credits_override = dlb2_args->num_dir_credits_override;
+	dlb2->qm_instance.device_path_id = dlb2_args->dev_id;
+	dlb2->qm_instance.cos_id = dlb2_args->cos_id;
+
+	/* Open the interface.
+	 * For vdev mode, this means open the dlb2 kernel module.
+	 */
+	err = dlb2_iface_open(&dlb2->qm_instance, name);
+	if (err < 0) {
+		DLB2_LOG_ERR("could not open event hardware device, err=%d\n",
+			     err);
+		return err;
+	}
+
+	err = dlb2_iface_get_device_version(&dlb2->qm_instance,
+					    &dlb2->revision);
+	if (err < 0) {
+		DLB2_LOG_ERR("dlb2: failed to get the device version, err=%d\n",
+			     err);
+		return err;
+	}
+
+	err = dlb2_hw_query_resources(dlb2);
+	if (err) {
+		DLB2_LOG_ERR("get resources err=%d for %s\n",
+			     err, name);
+		return err;
+	}
+
+	dlb2_iface_hardware_init(&dlb2->qm_instance);
+
+	err = dlb2_iface_get_cq_poll_mode(&dlb2->qm_instance, &dlb2->poll_mode);
+	if (err < 0) {
+		DLB2_LOG_ERR("dlb2: failed to get the poll mode, err=%d\n",
+			     err);
+		return err;
+	}
+
+	/* Initialize each port's token pop mode */
+	for (i = 0; i < DLB2_MAX_NUM_PORTS; i++)
+		dlb2->ev_ports[i].qm_port.token_pop_mode = AUTO_POP;
+
+	rte_spinlock_init(&dlb2->qm_instance.resource_lock);
+
+	dlb2_qm_mmio_fn_init();
+
+	dlb2_iface_low_level_io_init();
+
+	dlb2_entry_points_init(dev);
+
+	dlb2_init_queue_depth_thresholds(dlb2,
+					 dlb2_args->qid_depth_thresholds.val);
+
+	return 0;
+}
+
+int
+dlb2_secondary_eventdev_probe(struct rte_eventdev *dev,
+			      const char *name)
+{
+	struct dlb2_eventdev *dlb2;
+	int err;
+
+	dlb2 = dev->data->dev_private;
+
+	evdev_dlb2_default_info.driver_name = name;
+
+	err = dlb2_iface_open(&dlb2->qm_instance, name);
+	if (err < 0) {
+		DLB2_LOG_ERR("could not open event hardware device, err=%d\n",
+			     err);
+		return err;
+	}
+
+	err = dlb2_hw_query_resources(dlb2);
+	if (err) {
+		DLB2_LOG_ERR("get resources err=%d for %s\n",
+			     err, name);
+		return err;
+	}
+
+	dlb2_qm_mmio_fn_init();
+
+	dlb2_iface_low_level_io_init();
+
+	dlb2_entry_points_init(dev);
+
+	return 0;
+}
+
+int
+dlb2_parse_params(const char *params,
+		  const char *name,
+		  struct dlb2_devargs *dlb2_args)
+{
+	int ret = 0;
+	static const char * const args[] = { NUMA_NODE_ARG,
+				      DLB2_MAX_NUM_EVENTS,
+				      DLB2_NUM_DIR_CREDITS,
+				      DEV_ID_ARG,
+				      DLB2_QID_DEPTH_THRESH_ARG,
+				      DLB2_COS_ARG,
+				      NULL };
+
+	if (params != NULL && params[0] != '\0') {
+		struct rte_kvargs *kvlist = rte_kvargs_parse(params, args);
+
+		if (!kvlist) {
+			RTE_LOG(INFO, PMD,
+				"Ignoring unsupported parameters when creating device '%s'\n",
+				name);
+		} else {
+			int ret = rte_kvargs_process(kvlist, NUMA_NODE_ARG,
+						     set_numa_node,
+						     &dlb2_args->socket_id);
+			if (ret != 0) {
+				DLB2_LOG_ERR("%s: Error parsing numa node parameter",
+					     name);
+				rte_kvargs_free(kvlist);
+				return ret;
+			}
+
+			ret = rte_kvargs_process(kvlist, DLB2_MAX_NUM_EVENTS,
+						 set_max_num_events,
+						 &dlb2_args->max_num_events);
+			if (ret != 0) {
+				DLB2_LOG_ERR("%s: Error parsing max_num_events parameter",
+					     name);
+				rte_kvargs_free(kvlist);
+				return ret;
+			}
+
+			ret = rte_kvargs_process(kvlist,
+					DLB2_NUM_DIR_CREDITS,
+					set_num_dir_credits,
+					&dlb2_args->num_dir_credits_override);
+			if (ret != 0) {
+				DLB2_LOG_ERR("%s: Error parsing num_dir_credits parameter",
+					     name);
+				rte_kvargs_free(kvlist);
+				return ret;
+			}
+
+			ret = rte_kvargs_process(kvlist, DEV_ID_ARG,
+						 set_dev_id,
+						 &dlb2_args->dev_id);
+			if (ret != 0) {
+				DLB2_LOG_ERR("%s: Error parsing dev_id parameter",
+					     name);
+				rte_kvargs_free(kvlist);
+				return ret;
+			}
+
+			ret = rte_kvargs_process(
+					kvlist,
+					DLB2_QID_DEPTH_THRESH_ARG,
+					set_qid_depth_thresh,
+					&dlb2_args->qid_depth_thresholds);
+			if (ret != 0) {
+				DLB2_LOG_ERR("%s: Error parsing qid_depth_thresh parameter",
+					     name);
+				rte_kvargs_free(kvlist);
+				return ret;
+			}
+
+			ret = rte_kvargs_process(kvlist, DLB2_COS_ARG,
+						 set_cos,
+						 &dlb2_args->cos_id);
+			if (ret != 0) {
+				DLB2_LOG_ERR("%s: Error parsing cos parameter",
+					     name);
+				rte_kvargs_free(kvlist);
+				return ret;
+			}
+
+			rte_kvargs_free(kvlist);
+		}
+	}
+	return ret;
+}
+RTE_LOG_REGISTER(eventdev_dlb2_log_level, pmd.event.dlb2, NOTICE);
+
diff --git a/drivers/event/dlb2/dlb2_iface.c b/drivers/event/dlb2/dlb2_iface.c
new file mode 100644
index 0000000..fefdf78
--- /dev/null
+++ b/drivers/event/dlb2/dlb2_iface.c
@@ -0,0 +1,42 @@
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(c) 2016-2020 Intel Corporation
+ */
+
+#include <stdbool.h>
+#include <stdint.h>
+#include <rte_debug.h>
+#include <rte_bus_pci.h>
+#include <rte_log.h>
+#include <rte_dev.h>
+#include <rte_mbuf.h>
+#include <rte_ring.h>
+#include <rte_errno.h>
+#include <rte_kvargs.h>
+#include <rte_malloc.h>
+#include <rte_cycles.h>
+#include <rte_io.h>
+#include <rte_eventdev.h>
+#include <rte_eventdev_pmd.h>
+
+#include "dlb2_priv.h"
+
+/* DLB2 PMD Internal interface function pointers.
+ * If VDEV (bifurcated PMD),  these will resolve to functions that issue ioctls
+ * serviced by DLB kernel module.
+ * If PCI (PF PMD),  these will be implemented locally in user mode.
+ */
+
+void (*dlb2_iface_low_level_io_init)(void);
+
+int (*dlb2_iface_open)(struct dlb2_hw_dev *handle, const char *name);
+
+int (*dlb2_iface_get_device_version)(struct dlb2_hw_dev *handle,
+				     uint8_t *revision);
+
+void (*dlb2_iface_hardware_init)(struct dlb2_hw_dev *handle);
+
+int (*dlb2_iface_get_cq_poll_mode)(struct dlb2_hw_dev *handle,
+				   enum dlb2_cq_poll_modes *mode);
+
+int (*dlb2_iface_get_num_resources)(struct dlb2_hw_dev *handle,
+				    struct dlb2_get_num_resources_args *rsrcs);
diff --git a/drivers/event/dlb2/dlb2_iface.h b/drivers/event/dlb2/dlb2_iface.h
new file mode 100644
index 0000000..4fb416e
--- /dev/null
+++ b/drivers/event/dlb2/dlb2_iface.h
@@ -0,0 +1,29 @@
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(c) 2016-2020 Intel Corporation
+ */
+
+#ifndef _DLB2_IFACE_H_
+#define _DLB2_IFACE_H_
+
+/* DLB2 PMD Internal interface function pointers.
+ * If VDEV (bifurcated PMD),  these will resolve to functions that issue ioctls
+ * serviced by DLB kernel module.
+ * If PCI (PF PMD),  these will be implemented locally in user mode.
+ */
+
+extern void (*dlb2_iface_low_level_io_init)(void);
+
+extern int (*dlb2_iface_open)(struct dlb2_hw_dev *handle, const char *name);
+
+extern int (*dlb2_iface_get_device_version)(struct dlb2_hw_dev *handle,
+					    uint8_t *revision);
+
+extern void (*dlb2_iface_hardware_init)(struct dlb2_hw_dev *handle);
+
+extern int (*dlb2_iface_get_cq_poll_mode)(struct dlb2_hw_dev *handle,
+					  enum dlb2_cq_poll_modes *mode);
+
+extern int (*dlb2_iface_get_num_resources)(struct dlb2_hw_dev *handle,
+				struct dlb2_get_num_resources_args *rsrcs);
+
+#endif /* _DLB2_IFACE_H_ */
diff --git a/drivers/event/dlb2/dlb2_priv.h b/drivers/event/dlb2/dlb2_priv.h
index 7bec835..68cab92 100644
--- a/drivers/event/dlb2/dlb2_priv.h
+++ b/drivers/event/dlb2/dlb2_priv.h
@@ -611,4 +611,9 @@ int dlb2_parse_params(const char *params,
 		      struct dlb2_devargs *dlb2_args);
 
 int dlb2_string_to_int(int *result, const char *str);
+
+/* Extern globals */
+
+extern struct process_local_port_data dlb2_port[][DLB2_NUM_PORT_TYPES];
+
 #endif	/* _DLB2_PRIV_H_ */
diff --git a/drivers/event/dlb2/meson.build b/drivers/event/dlb2/meson.build
index d4fd39f..557e3b4 100644
--- a/drivers/event/dlb2/meson.build
+++ b/drivers/event/dlb2/meson.build
@@ -1,7 +1,11 @@
 # SPDX-License-Identifier: BSD-3-Clause
 # Copyright(c) 2019-2020 Intel Corporation
 
-sources = files(
+sources = files('dlb2.c',
+		'dlb2_iface.c',
+		'pf/dlb2_main.c',
+		'pf/dlb2_pf.c',
+		'pf/base/dlb2_resource.c'
 )
 
 deps += ['mbuf', 'mempool', 'ring', 'bus_vdev', 'pci', 'bus_pci']
diff --git a/drivers/event/dlb2/pf/base/dlb2_hw_types.h b/drivers/event/dlb2/pf/base/dlb2_hw_types.h
new file mode 100644
index 0000000..428a5e8
--- /dev/null
+++ b/drivers/event/dlb2/pf/base/dlb2_hw_types.h
@@ -0,0 +1,367 @@
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(c) 2016-2020 Intel Corporation
+ */
+
+#ifndef __DLB2_HW_TYPES_H
+#define __DLB2_HW_TYPES_H
+
+#include "dlb2_user.h"
+
+#include "dlb2_osdep_list.h"
+#include "dlb2_osdep_types.h"
+
+#define DLB2_MAX_NUM_VDEVS			16
+#define DLB2_MAX_NUM_DOMAINS			32
+#define DLB2_MAX_NUM_LDB_QUEUES			32 /* LDB == load-balanced */
+#define DLB2_MAX_NUM_DIR_QUEUES			64 /* DIR == directed */
+#define DLB2_MAX_NUM_LDB_PORTS			64
+#define DLB2_MAX_NUM_DIR_PORTS			64
+#define DLB2_MAX_NUM_LDB_CREDITS		(8 * 1024)
+#define DLB2_MAX_NUM_DIR_CREDITS		(2 * 1024)
+#define DLB2_MAX_NUM_HIST_LIST_ENTRIES		2048
+#define DLB2_MAX_NUM_AQED_ENTRIES		2048
+#define DLB2_MAX_NUM_QIDS_PER_LDB_CQ		8
+#define DLB2_MAX_NUM_SEQUENCE_NUMBER_GROUPS	2
+#define DLB2_MAX_NUM_SEQUENCE_NUMBER_MODES	5
+#define DLB2_QID_PRIORITIES			8
+#define DLB2_NUM_ARB_WEIGHTS			8
+#define DLB2_MAX_WEIGHT				255
+#define DLB2_NUM_COS_DOMAINS			4
+#define DLB2_MAX_CQ_COMP_CHECK_LOOPS		409600
+#define DLB2_MAX_QID_EMPTY_CHECK_LOOPS		(32 * 64 * 1024 * (800 / 30))
+#ifdef FPGA
+#define DLB2_HZ					2000000
+#else
+#define DLB2_HZ					800000000
+#endif
+
+#define PCI_DEVICE_ID_INTEL_DLB2_PF 0x2710
+#define PCI_DEVICE_ID_INTEL_DLB2_VF 0x2711
+
+/* Interrupt related macros */
+#define DLB2_PF_NUM_NON_CQ_INTERRUPT_VECTORS 1
+#define DLB2_PF_NUM_CQ_INTERRUPT_VECTORS     64
+#define DLB2_PF_TOTAL_NUM_INTERRUPT_VECTORS \
+	(DLB2_PF_NUM_NON_CQ_INTERRUPT_VECTORS + \
+	 DLB2_PF_NUM_CQ_INTERRUPT_VECTORS)
+#define DLB2_PF_NUM_COMPRESSED_MODE_VECTORS \
+	(DLB2_PF_NUM_NON_CQ_INTERRUPT_VECTORS + 1)
+#define DLB2_PF_NUM_PACKED_MODE_VECTORS \
+	DLB2_PF_TOTAL_NUM_INTERRUPT_VECTORS
+#define DLB2_PF_COMPRESSED_MODE_CQ_VECTOR_ID \
+	DLB2_PF_NUM_NON_CQ_INTERRUPT_VECTORS
+
+/* DLB non-CQ interrupts (alarm, mailbox, WDT) */
+#define DLB2_INT_NON_CQ 0
+
+#define DLB2_ALARM_HW_SOURCE_SYS 0
+#define DLB2_ALARM_HW_SOURCE_DLB 1
+
+#define DLB2_ALARM_HW_UNIT_CHP 4
+
+#define DLB2_ALARM_SYS_AID_ILLEGAL_QID		3
+#define DLB2_ALARM_SYS_AID_DISABLED_QID		4
+#define DLB2_ALARM_SYS_AID_ILLEGAL_HCW		5
+#define DLB2_ALARM_HW_CHP_AID_ILLEGAL_ENQ	1
+#define DLB2_ALARM_HW_CHP_AID_EXCESS_TOKEN_POPS 2
+
+#define DLB2_VF_NUM_NON_CQ_INTERRUPT_VECTORS 1
+#define DLB2_VF_NUM_CQ_INTERRUPT_VECTORS     31
+#define DLB2_VF_BASE_CQ_VECTOR_ID	     0
+#define DLB2_VF_LAST_CQ_VECTOR_ID	     30
+#define DLB2_VF_MBOX_VECTOR_ID		     31
+#define DLB2_VF_TOTAL_NUM_INTERRUPT_VECTORS \
+	(DLB2_VF_NUM_NON_CQ_INTERRUPT_VECTORS + \
+	 DLB2_VF_NUM_CQ_INTERRUPT_VECTORS)
+
+#define DLB2_VDEV_MAX_NUM_INTERRUPT_VECTORS (DLB2_MAX_NUM_LDB_PORTS + \
+					     DLB2_MAX_NUM_DIR_PORTS + 1)
+
+/*
+ * Hardware-defined base addresses. Those prefixed 'DLB2_DRV' are only used by
+ * the PF driver.
+ */
+#define DLB2_DRV_LDB_PP_BASE   0x2300000
+#define DLB2_DRV_LDB_PP_STRIDE 0x1000
+#define DLB2_DRV_LDB_PP_BOUND  (DLB2_DRV_LDB_PP_BASE + \
+				DLB2_DRV_LDB_PP_STRIDE * DLB2_MAX_NUM_LDB_PORTS)
+#define DLB2_DRV_DIR_PP_BASE   0x2200000
+#define DLB2_DRV_DIR_PP_STRIDE 0x1000
+#define DLB2_DRV_DIR_PP_BOUND  (DLB2_DRV_DIR_PP_BASE + \
+				DLB2_DRV_DIR_PP_STRIDE * DLB2_MAX_NUM_DIR_PORTS)
+#define DLB2_LDB_PP_BASE       0x2100000
+#define DLB2_LDB_PP_STRIDE     0x1000
+#define DLB2_LDB_PP_BOUND      (DLB2_LDB_PP_BASE + \
+				DLB2_LDB_PP_STRIDE * DLB2_MAX_NUM_LDB_PORTS)
+#define DLB2_LDB_PP_OFFS(id)   (DLB2_LDB_PP_BASE + (id) * DLB2_PP_SIZE)
+#define DLB2_DIR_PP_BASE       0x2000000
+#define DLB2_DIR_PP_STRIDE     0x1000
+#define DLB2_DIR_PP_BOUND      (DLB2_DIR_PP_BASE + \
+				DLB2_DIR_PP_STRIDE * DLB2_MAX_NUM_DIR_PORTS)
+#define DLB2_DIR_PP_OFFS(id)   (DLB2_DIR_PP_BASE + (id) * DLB2_PP_SIZE)
+
+struct dlb2_resource_id {
+	u32 phys_id;
+	u32 virt_id;
+	u8 vdev_owned;
+	u8 vdev_id;
+};
+
+struct dlb2_freelist {
+	u32 base;
+	u32 bound;
+	u32 offset;
+};
+
+static inline u32 dlb2_freelist_count(struct dlb2_freelist *list)
+{
+	return list->bound - list->base - list->offset;
+}
+
+struct dlb2_hcw {
+	u64 data;
+	/* Word 3 */
+	u16 opaque;
+	u8 qid;
+	u8 sched_type:2;
+	u8 priority:3;
+	u8 msg_type:3;
+	/* Word 4 */
+	u16 lock_id;
+	u8 ts_flag:1;
+	u8 rsvd1:2;
+	u8 no_dec:1;
+	u8 cmp_id:4;
+	u8 cq_token:1;
+	u8 qe_comp:1;
+	u8 qe_frag:1;
+	u8 qe_valid:1;
+	u8 int_arm:1;
+	u8 error:1;
+	u8 rsvd:2;
+};
+
+struct dlb2_ldb_queue {
+	struct dlb2_list_entry domain_list;
+	struct dlb2_list_entry func_list;
+	struct dlb2_resource_id id;
+	struct dlb2_resource_id domain_id;
+	u32 num_qid_inflights;
+	u32 aqed_limit;
+	u32 sn_group; /* sn == sequence number */
+	u32 sn_slot;
+	u32 num_mappings;
+	u8 sn_cfg_valid;
+	u8 num_pending_additions;
+	u8 owned;
+	u8 configured;
+};
+
+/*
+ * Directed ports and queues are paired by nature, so the driver tracks them
+ * with a single data structure.
+ */
+struct dlb2_dir_pq_pair {
+	struct dlb2_list_entry domain_list;
+	struct dlb2_list_entry func_list;
+	struct dlb2_resource_id id;
+	struct dlb2_resource_id domain_id;
+	u32 ref_cnt;
+	u8 init_tkn_cnt;
+	u8 queue_configured;
+	u8 port_configured;
+	u8 owned;
+	u8 enabled;
+};
+
+enum dlb2_qid_map_state {
+	/* The slot doesn't contain a valid queue mapping */
+	DLB2_QUEUE_UNMAPPED,
+	/* The slot contains a valid queue mapping */
+	DLB2_QUEUE_MAPPED,
+	/* The driver is mapping a queue into this slot */
+	DLB2_QUEUE_MAP_IN_PROG,
+	/* The driver is unmapping a queue from this slot */
+	DLB2_QUEUE_UNMAP_IN_PROG,
+	/*
+	 * The driver is unmapping a queue from this slot, and once complete
+	 * will replace it with another mapping.
+	 */
+	DLB2_QUEUE_UNMAP_IN_PROG_PENDING_MAP,
+};
+
+struct dlb2_ldb_port_qid_map {
+	enum dlb2_qid_map_state state;
+	u16 qid;
+	u16 pending_qid;
+	u8 priority;
+	u8 pending_priority;
+};
+
+struct dlb2_ldb_port {
+	struct dlb2_list_entry domain_list;
+	struct dlb2_list_entry func_list;
+	struct dlb2_resource_id id;
+	struct dlb2_resource_id domain_id;
+	/* The qid_map represents the hardware QID mapping state. */
+	struct dlb2_ldb_port_qid_map qid_map[DLB2_MAX_NUM_QIDS_PER_LDB_CQ];
+	u32 hist_list_entry_base;
+	u32 hist_list_entry_limit;
+	u32 ref_cnt;
+	u8 init_tkn_cnt;
+	u8 num_pending_removals;
+	u8 num_mappings;
+	u8 owned;
+	u8 enabled;
+	u8 configured;
+};
+
+struct dlb2_sn_group {
+	u32 mode;
+	u32 sequence_numbers_per_queue;
+	u32 slot_use_bitmap;
+	u32 id;
+};
+
+static inline bool dlb2_sn_group_full(struct dlb2_sn_group *group)
+{
+	u32 mask[] = {
+		0x0000ffff,  /* 64 SNs per queue */
+		0x000000ff,  /* 128 SNs per queue */
+		0x0000000f,  /* 256 SNs per queue */
+		0x00000003,  /* 512 SNs per queue */
+		0x00000001}; /* 1024 SNs per queue */
+
+	return group->slot_use_bitmap == mask[group->mode];
+}
+
+static inline int dlb2_sn_group_alloc_slot(struct dlb2_sn_group *group)
+{
+	u32 bound[6] = {16, 8, 4, 2, 1};
+	u32 i;
+
+	for (i = 0; i < bound[group->mode]; i++) {
+		if (!(group->slot_use_bitmap & (1 << i))) {
+			group->slot_use_bitmap |= 1 << i;
+			return i;
+		}
+	}
+
+	return -1;
+}
+
+static inline void
+dlb2_sn_group_free_slot(struct dlb2_sn_group *group, int slot)
+{
+	group->slot_use_bitmap &= ~(1 << slot);
+}
+
+static inline int dlb2_sn_group_used_slots(struct dlb2_sn_group *group)
+{
+	int i, cnt = 0;
+
+	for (i = 0; i < 32; i++)
+		cnt += !!(group->slot_use_bitmap & (1 << i));
+
+	return cnt;
+}
+
+struct dlb2_hw_domain {
+	struct dlb2_function_resources *parent_func;
+	struct dlb2_list_entry func_list;
+	struct dlb2_list_head used_ldb_queues;
+	struct dlb2_list_head used_ldb_ports[DLB2_NUM_COS_DOMAINS];
+	struct dlb2_list_head used_dir_pq_pairs;
+	struct dlb2_list_head avail_ldb_queues;
+	struct dlb2_list_head avail_ldb_ports[DLB2_NUM_COS_DOMAINS];
+	struct dlb2_list_head avail_dir_pq_pairs;
+	u32 total_hist_list_entries;
+	u32 avail_hist_list_entries;
+	u32 hist_list_entry_base;
+	u32 hist_list_entry_offset;
+	u32 num_ldb_credits;
+	u32 num_dir_credits;
+	u32 num_avail_aqed_entries;
+	u32 num_used_aqed_entries;
+	struct dlb2_resource_id id;
+	int num_pending_removals;
+	int num_pending_additions;
+	u8 configured;
+	u8 started;
+};
+
+struct dlb2_bitmap;
+
+struct dlb2_function_resources {
+	struct dlb2_list_head avail_domains;
+	struct dlb2_list_head used_domains;
+	struct dlb2_list_head avail_ldb_queues;
+	struct dlb2_list_head avail_ldb_ports[DLB2_NUM_COS_DOMAINS];
+	struct dlb2_list_head avail_dir_pq_pairs;
+	struct dlb2_bitmap *avail_hist_list_entries;
+	u32 num_avail_domains;
+	u32 num_avail_ldb_queues;
+	u32 num_avail_ldb_ports[DLB2_NUM_COS_DOMAINS];
+	u32 num_avail_dir_pq_pairs;
+	u32 num_avail_qed_entries;
+	u32 num_avail_dqed_entries;
+	u32 num_avail_aqed_entries;
+	u8 locked; /* (VDEV only) */
+};
+
+/*
+ * After initialization, each resource in dlb2_hw_resources is located in one
+ * of the following lists:
+ * -- The PF's available resources list. These are unconfigured resources owned
+ *	by the PF and not allocated to a dlb2 scheduling domain.
+ * -- A VDEV's available resources list. These are VDEV-owned unconfigured
+ *	resources not allocated to a dlb2 scheduling domain.
+ * -- A domain's available resources list. These are domain-owned unconfigured
+ *	resources.
+ * -- A domain's used resources list. These are are domain-owned configured
+ *	resources.
+ *
+ * A resource moves to a new list when a VDEV or domain is created or destroyed,
+ * or when the resource is configured.
+ */
+struct dlb2_hw_resources {
+	struct dlb2_ldb_queue ldb_queues[DLB2_MAX_NUM_LDB_QUEUES];
+	struct dlb2_ldb_port ldb_ports[DLB2_MAX_NUM_LDB_PORTS];
+	struct dlb2_dir_pq_pair dir_pq_pairs[DLB2_MAX_NUM_DIR_PORTS];
+	struct dlb2_sn_group sn_groups[DLB2_MAX_NUM_SEQUENCE_NUMBER_GROUPS];
+};
+
+struct dlb2_mbox {
+	u32 *mbox;
+	u32 *isr_in_progress;
+};
+
+struct dlb2_sw_mbox {
+	struct dlb2_mbox vdev_to_pf;
+	struct dlb2_mbox pf_to_vdev;
+	void (*pf_to_vdev_inject)(void *arg);
+	void *pf_to_vdev_inject_arg;
+};
+
+struct dlb2_hw {
+	/* BAR 0 address */
+	void  *csr_kva;
+	unsigned long csr_phys_addr;
+	/* BAR 2 address */
+	void  *func_kva;
+	unsigned long func_phys_addr;
+
+	/* Resource tracking */
+	struct dlb2_hw_resources rsrcs;
+	struct dlb2_function_resources pf;
+	struct dlb2_function_resources vdev[DLB2_MAX_NUM_VDEVS];
+	struct dlb2_hw_domain domains[DLB2_MAX_NUM_DOMAINS];
+	u8 cos_reservation[DLB2_NUM_COS_DOMAINS];
+
+	/* Virtualization */
+	int virt_mode;
+	struct dlb2_sw_mbox mbox[DLB2_MAX_NUM_VDEVS];
+	unsigned int pasid[DLB2_MAX_NUM_VDEVS];
+};
+
+#endif /* __DLB2_HW_TYPES_H */
diff --git a/drivers/event/dlb2/pf/base/dlb2_mbox.h b/drivers/event/dlb2/pf/base/dlb2_mbox.h
new file mode 100644
index 0000000..ce462c0
--- /dev/null
+++ b/drivers/event/dlb2/pf/base/dlb2_mbox.h
@@ -0,0 +1,596 @@
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(c) 2016-2020 Intel Corporation
+ */
+
+#ifndef __DLB2_BASE_DLB2_MBOX_H
+#define __DLB2_BASE_DLB2_MBOX_H
+
+#include "dlb2_osdep_types.h"
+#include "dlb2_regs.h"
+
+#define DLB2_MBOX_INTERFACE_VERSION 1
+
+/*
+ * The PF uses its PF->VF mailbox to send responses to VF requests, as well as
+ * to send requests of its own (e.g. notifying a VF of an impending FLR).
+ * To avoid communication race conditions, e.g. the PF sends a response and then
+ * sends a request before the VF reads the response, the PF->VF mailbox is
+ * divided into two sections:
+ * - Bytes 0-47: PF responses
+ * - Bytes 48-63: PF requests
+ *
+ * Partitioning the PF->VF mailbox allows responses and requests to occupy the
+ * mailbox simultaneously.
+ */
+#define DLB2_PF2VF_RESP_BYTES	  48
+#define DLB2_PF2VF_RESP_BASE	  0
+#define DLB2_PF2VF_RESP_BASE_WORD (DLB2_PF2VF_RESP_BASE / 4)
+
+#define DLB2_PF2VF_REQ_BYTES	  16
+#define DLB2_PF2VF_REQ_BASE	  (DLB2_PF2VF_RESP_BASE + DLB2_PF2VF_RESP_BYTES)
+#define DLB2_PF2VF_REQ_BASE_WORD  (DLB2_PF2VF_REQ_BASE / 4)
+
+/*
+ * Similarly, the VF->PF mailbox is divided into two sections:
+ * - Bytes 0-239: VF requests
+ * -- (Bytes 0-3 are unused due to a hardware errata)
+ * - Bytes 240-255: VF responses
+ */
+#define DLB2_VF2PF_REQ_BYTES	 236
+#define DLB2_VF2PF_REQ_BASE	 4
+#define DLB2_VF2PF_REQ_BASE_WORD (DLB2_VF2PF_REQ_BASE / 4)
+
+#define DLB2_VF2PF_RESP_BYTES	  16
+#define DLB2_VF2PF_RESP_BASE	  (DLB2_VF2PF_REQ_BASE + DLB2_VF2PF_REQ_BYTES)
+#define DLB2_VF2PF_RESP_BASE_WORD (DLB2_VF2PF_RESP_BASE / 4)
+
+/* VF-initiated commands */
+enum dlb2_mbox_cmd_type {
+	DLB2_MBOX_CMD_REGISTER,
+	DLB2_MBOX_CMD_UNREGISTER,
+	DLB2_MBOX_CMD_GET_NUM_RESOURCES,
+	DLB2_MBOX_CMD_CREATE_SCHED_DOMAIN,
+	DLB2_MBOX_CMD_RESET_SCHED_DOMAIN,
+	DLB2_MBOX_CMD_CREATE_LDB_QUEUE,
+	DLB2_MBOX_CMD_CREATE_DIR_QUEUE,
+	DLB2_MBOX_CMD_CREATE_LDB_PORT,
+	DLB2_MBOX_CMD_CREATE_DIR_PORT,
+	DLB2_MBOX_CMD_ENABLE_LDB_PORT,
+	DLB2_MBOX_CMD_DISABLE_LDB_PORT,
+	DLB2_MBOX_CMD_ENABLE_DIR_PORT,
+	DLB2_MBOX_CMD_DISABLE_DIR_PORT,
+	DLB2_MBOX_CMD_LDB_PORT_OWNED_BY_DOMAIN,
+	DLB2_MBOX_CMD_DIR_PORT_OWNED_BY_DOMAIN,
+	DLB2_MBOX_CMD_MAP_QID,
+	DLB2_MBOX_CMD_UNMAP_QID,
+	DLB2_MBOX_CMD_START_DOMAIN,
+	DLB2_MBOX_CMD_ENABLE_LDB_PORT_INTR,
+	DLB2_MBOX_CMD_ENABLE_DIR_PORT_INTR,
+	DLB2_MBOX_CMD_ARM_CQ_INTR,
+	DLB2_MBOX_CMD_GET_NUM_USED_RESOURCES,
+	DLB2_MBOX_CMD_GET_SN_ALLOCATION,
+	DLB2_MBOX_CMD_GET_LDB_QUEUE_DEPTH,
+	DLB2_MBOX_CMD_GET_DIR_QUEUE_DEPTH,
+	DLB2_MBOX_CMD_PENDING_PORT_UNMAPS,
+	DLB2_MBOX_CMD_GET_COS_BW,
+	DLB2_MBOX_CMD_GET_SN_OCCUPANCY,
+	DLB2_MBOX_CMD_QUERY_CQ_POLL_MODE,
+
+	/* NUM_QE_CMD_TYPES must be last */
+	NUM_DLB2_MBOX_CMD_TYPES,
+};
+
+static const char dlb2_mbox_cmd_type_strings[][128] = {
+	"DLB2_MBOX_CMD_REGISTER",
+	"DLB2_MBOX_CMD_UNREGISTER",
+	"DLB2_MBOX_CMD_GET_NUM_RESOURCES",
+	"DLB2_MBOX_CMD_CREATE_SCHED_DOMAIN",
+	"DLB2_MBOX_CMD_RESET_SCHED_DOMAIN",
+	"DLB2_MBOX_CMD_CREATE_LDB_QUEUE",
+	"DLB2_MBOX_CMD_CREATE_DIR_QUEUE",
+	"DLB2_MBOX_CMD_CREATE_LDB_PORT",
+	"DLB2_MBOX_CMD_CREATE_DIR_PORT",
+	"DLB2_MBOX_CMD_ENABLE_LDB_PORT",
+	"DLB2_MBOX_CMD_DISABLE_LDB_PORT",
+	"DLB2_MBOX_CMD_ENABLE_DIR_PORT",
+	"DLB2_MBOX_CMD_DISABLE_DIR_PORT",
+	"DLB2_MBOX_CMD_LDB_PORT_OWNED_BY_DOMAIN",
+	"DLB2_MBOX_CMD_DIR_PORT_OWNED_BY_DOMAIN",
+	"DLB2_MBOX_CMD_MAP_QID",
+	"DLB2_MBOX_CMD_UNMAP_QID",
+	"DLB2_MBOX_CMD_START_DOMAIN",
+	"DLB2_MBOX_CMD_ENABLE_LDB_PORT_INTR",
+	"DLB2_MBOX_CMD_ENABLE_DIR_PORT_INTR",
+	"DLB2_MBOX_CMD_ARM_CQ_INTR",
+	"DLB2_MBOX_CMD_GET_NUM_USED_RESOURCES",
+	"DLB2_MBOX_CMD_GET_SN_ALLOCATION",
+	"DLB2_MBOX_CMD_GET_LDB_QUEUE_DEPTH",
+	"DLB2_MBOX_CMD_GET_DIR_QUEUE_DEPTH",
+	"DLB2_MBOX_CMD_PENDING_PORT_UNMAPS",
+	"DLB2_MBOX_CMD_GET_COS_BW",
+	"DLB2_MBOX_CMD_GET_SN_OCCUPANCY",
+	"DLB2_MBOX_CMD_QUERY_CQ_POLL_MODE",
+};
+
+/* PF-initiated commands */
+enum dlb2_mbox_vf_cmd_type {
+	DLB2_MBOX_VF_CMD_DOMAIN_ALERT,
+	DLB2_MBOX_VF_CMD_NOTIFICATION,
+	DLB2_MBOX_VF_CMD_IN_USE,
+
+	/* NUM_DLB2_MBOX_VF_CMD_TYPES must be last */
+	NUM_DLB2_MBOX_VF_CMD_TYPES,
+};
+
+static const char dlb2_mbox_vf_cmd_type_strings[][128] = {
+	"DLB2_MBOX_VF_CMD_DOMAIN_ALERT",
+	"DLB2_MBOX_VF_CMD_NOTIFICATION",
+	"DLB2_MBOX_VF_CMD_IN_USE",
+};
+
+#define DLB2_MBOX_CMD_TYPE(hdr) \
+	(((struct dlb2_mbox_req_hdr *)hdr)->type)
+#define DLB2_MBOX_CMD_STRING(hdr) \
+	dlb2_mbox_cmd_type_strings[DLB2_MBOX_CMD_TYPE(hdr)]
+
+enum dlb2_mbox_status_type {
+	DLB2_MBOX_ST_SUCCESS,
+	DLB2_MBOX_ST_INVALID_CMD_TYPE,
+	DLB2_MBOX_ST_VERSION_MISMATCH,
+	DLB2_MBOX_ST_INVALID_OWNER_VF,
+};
+
+static const char dlb2_mbox_status_type_strings[][128] = {
+	"DLB2_MBOX_ST_SUCCESS",
+	"DLB2_MBOX_ST_INVALID_CMD_TYPE",
+	"DLB2_MBOX_ST_VERSION_MISMATCH",
+	"DLB2_MBOX_ST_INVALID_OWNER_VF",
+};
+
+#define DLB2_MBOX_ST_TYPE(hdr) \
+	(((struct dlb2_mbox_resp_hdr *)hdr)->status)
+#define DLB2_MBOX_ST_STRING(hdr) \
+	dlb2_mbox_status_type_strings[DLB2_MBOX_ST_TYPE(hdr)]
+
+/* This structure is always the first field in a request structure */
+struct dlb2_mbox_req_hdr {
+	u32 type;
+};
+
+/* This structure is always the first field in a response structure */
+struct dlb2_mbox_resp_hdr {
+	u32 status;
+};
+
+struct dlb2_mbox_register_cmd_req {
+	struct dlb2_mbox_req_hdr hdr;
+	u16 min_interface_version;
+	u16 max_interface_version;
+};
+
+struct dlb2_mbox_register_cmd_resp {
+	struct dlb2_mbox_resp_hdr hdr;
+	u32 interface_version;
+	u8 pf_id;
+	u8 vf_id;
+	u8 is_auxiliary_vf;
+	u8 primary_vf_id;
+	u32 padding;
+};
+
+struct dlb2_mbox_unregister_cmd_req {
+	struct dlb2_mbox_req_hdr hdr;
+	u32 padding;
+};
+
+struct dlb2_mbox_unregister_cmd_resp {
+	struct dlb2_mbox_resp_hdr hdr;
+	u32 padding;
+};
+
+struct dlb2_mbox_get_num_resources_cmd_req {
+	struct dlb2_mbox_req_hdr hdr;
+	u32 padding;
+};
+
+struct dlb2_mbox_get_num_resources_cmd_resp {
+	struct dlb2_mbox_resp_hdr hdr;
+	u32 error_code;
+	u16 num_sched_domains;
+	u16 num_ldb_queues;
+	u16 num_ldb_ports;
+	u16 num_cos_ldb_ports[4];
+	u16 num_dir_ports;
+	u32 num_atomic_inflights;
+	u32 num_hist_list_entries;
+	u32 max_contiguous_hist_list_entries;
+	u16 num_ldb_credits;
+	u16 num_dir_credits;
+};
+
+struct dlb2_mbox_create_sched_domain_cmd_req {
+	struct dlb2_mbox_req_hdr hdr;
+	u32 num_ldb_queues;
+	u32 num_ldb_ports;
+	u32 num_cos_ldb_ports[4];
+	u32 num_dir_ports;
+	u32 num_atomic_inflights;
+	u32 num_hist_list_entries;
+	u32 num_ldb_credits;
+	u32 num_dir_credits;
+	u8 cos_strict;
+	u8 padding0[3];
+	u32 padding1;
+};
+
+struct dlb2_mbox_create_sched_domain_cmd_resp {
+	struct dlb2_mbox_resp_hdr hdr;
+	u32 error_code;
+	u32 status;
+	u32 id;
+};
+
+struct dlb2_mbox_reset_sched_domain_cmd_req {
+	struct dlb2_mbox_req_hdr hdr;
+	u32 id;
+};
+
+struct dlb2_mbox_reset_sched_domain_cmd_resp {
+	struct dlb2_mbox_resp_hdr hdr;
+	u32 error_code;
+};
+
+struct dlb2_mbox_create_ldb_queue_cmd_req {
+	struct dlb2_mbox_req_hdr hdr;
+	u32 domain_id;
+	u32 num_sequence_numbers;
+	u32 num_qid_inflights;
+	u32 num_atomic_inflights;
+	u32 lock_id_comp_level;
+	u32 depth_threshold;
+	u32 padding;
+};
+
+struct dlb2_mbox_create_ldb_queue_cmd_resp {
+	struct dlb2_mbox_resp_hdr hdr;
+	u32 error_code;
+	u32 status;
+	u32 id;
+};
+
+struct dlb2_mbox_create_dir_queue_cmd_req {
+	struct dlb2_mbox_req_hdr hdr;
+	u32 domain_id;
+	u32 port_id;
+	u32 depth_threshold;
+};
+
+struct dlb2_mbox_create_dir_queue_cmd_resp {
+	struct dlb2_mbox_resp_hdr hdr;
+	u32 error_code;
+	u32 status;
+	u32 id;
+};
+
+struct dlb2_mbox_create_ldb_port_cmd_req {
+	struct dlb2_mbox_req_hdr hdr;
+	u32 domain_id;
+	u16 cq_depth;
+	u16 cq_history_list_size;
+	u8 cos_id;
+	u8 cos_strict;
+	u16 padding1;
+	u64 cq_base_address;
+};
+
+struct dlb2_mbox_create_ldb_port_cmd_resp {
+	struct dlb2_mbox_resp_hdr hdr;
+	u32 error_code;
+	u32 status;
+	u32 id;
+};
+
+struct dlb2_mbox_create_dir_port_cmd_req {
+	struct dlb2_mbox_req_hdr hdr;
+	u32 domain_id;
+	u64 cq_base_address;
+	u16 cq_depth;
+	u16 padding0;
+	s32 queue_id;
+};
+
+struct dlb2_mbox_create_dir_port_cmd_resp {
+	struct dlb2_mbox_resp_hdr hdr;
+	u32 error_code;
+	u32 status;
+	u32 id;
+};
+
+struct dlb2_mbox_enable_ldb_port_cmd_req {
+	struct dlb2_mbox_req_hdr hdr;
+	u32 domain_id;
+	u32 port_id;
+	u32 padding;
+};
+
+struct dlb2_mbox_enable_ldb_port_cmd_resp {
+	struct dlb2_mbox_resp_hdr hdr;
+	u32 error_code;
+	u32 status;
+	u32 padding;
+};
+
+struct dlb2_mbox_disable_ldb_port_cmd_req {
+	struct dlb2_mbox_req_hdr hdr;
+	u32 domain_id;
+	u32 port_id;
+	u32 padding;
+};
+
+struct dlb2_mbox_disable_ldb_port_cmd_resp {
+	struct dlb2_mbox_resp_hdr hdr;
+	u32 error_code;
+	u32 status;
+	u32 padding;
+};
+
+struct dlb2_mbox_enable_dir_port_cmd_req {
+	struct dlb2_mbox_req_hdr hdr;
+	u32 domain_id;
+	u32 port_id;
+	u32 padding;
+};
+
+struct dlb2_mbox_enable_dir_port_cmd_resp {
+	struct dlb2_mbox_resp_hdr hdr;
+	u32 error_code;
+	u32 status;
+	u32 padding;
+};
+
+struct dlb2_mbox_disable_dir_port_cmd_req {
+	struct dlb2_mbox_req_hdr hdr;
+	u32 domain_id;
+	u32 port_id;
+	u32 padding;
+};
+
+struct dlb2_mbox_disable_dir_port_cmd_resp {
+	struct dlb2_mbox_resp_hdr hdr;
+	u32 error_code;
+	u32 status;
+	u32 padding;
+};
+
+struct dlb2_mbox_ldb_port_owned_by_domain_cmd_req {
+	struct dlb2_mbox_req_hdr hdr;
+	u32 domain_id;
+	u32 port_id;
+	u32 padding;
+};
+
+struct dlb2_mbox_ldb_port_owned_by_domain_cmd_resp {
+	struct dlb2_mbox_resp_hdr hdr;
+	s32 owned;
+};
+
+struct dlb2_mbox_dir_port_owned_by_domain_cmd_req {
+	struct dlb2_mbox_req_hdr hdr;
+	u32 domain_id;
+	u32 port_id;
+	u32 padding;
+};
+
+struct dlb2_mbox_dir_port_owned_by_domain_cmd_resp {
+	struct dlb2_mbox_resp_hdr hdr;
+	s32 owned;
+};
+
+struct dlb2_mbox_map_qid_cmd_req {
+	struct dlb2_mbox_req_hdr hdr;
+	u32 domain_id;
+	u32 port_id;
+	u32 qid;
+	u32 priority;
+	u32 padding0;
+};
+
+struct dlb2_mbox_map_qid_cmd_resp {
+	struct dlb2_mbox_resp_hdr hdr;
+	u32 error_code;
+	u32 status;
+	u32 id;
+};
+
+struct dlb2_mbox_unmap_qid_cmd_req {
+	struct dlb2_mbox_req_hdr hdr;
+	u32 domain_id;
+	u32 port_id;
+	u32 qid;
+};
+
+struct dlb2_mbox_unmap_qid_cmd_resp {
+	struct dlb2_mbox_resp_hdr hdr;
+	u32 error_code;
+	u32 status;
+	u32 padding;
+};
+
+struct dlb2_mbox_start_domain_cmd_req {
+	struct dlb2_mbox_req_hdr hdr;
+	u32 domain_id;
+};
+
+struct dlb2_mbox_start_domain_cmd_resp {
+	struct dlb2_mbox_resp_hdr hdr;
+	u32 error_code;
+	u32 status;
+	u32 padding;
+};
+
+struct dlb2_mbox_enable_ldb_port_intr_cmd_req {
+	struct dlb2_mbox_req_hdr hdr;
+	u16 port_id;
+	u16 thresh;
+	u16 vector;
+	u16 owner_vf;
+	u16 reserved[2];
+};
+
+struct dlb2_mbox_enable_ldb_port_intr_cmd_resp {
+	struct dlb2_mbox_resp_hdr hdr;
+	u32 error_code;
+	u32 status;
+	u32 padding;
+};
+
+struct dlb2_mbox_enable_dir_port_intr_cmd_req {
+	struct dlb2_mbox_req_hdr hdr;
+	u16 port_id;
+	u16 thresh;
+	u16 vector;
+	u16 owner_vf;
+	u16 reserved[2];
+};
+
+struct dlb2_mbox_enable_dir_port_intr_cmd_resp {
+	struct dlb2_mbox_resp_hdr hdr;
+	u32 error_code;
+	u32 status;
+	u32 padding;
+};
+
+struct dlb2_mbox_arm_cq_intr_cmd_req {
+	struct dlb2_mbox_req_hdr hdr;
+	u32 domain_id;
+	u32 port_id;
+	u32 is_ldb;
+};
+
+struct dlb2_mbox_arm_cq_intr_cmd_resp {
+	struct dlb2_mbox_resp_hdr hdr;
+	u32 error_code;
+	u32 status;
+	u32 padding0;
+};
+
+/*
+ * The alert_id and aux_alert_data follows the format of the alerts defined in
+ * dlb2_types.h. The alert id contains an enum dlb2_domain_alert_id value, and
+ * the aux_alert_data value varies depending on the alert.
+ */
+struct dlb2_mbox_vf_alert_cmd_req {
+	struct dlb2_mbox_req_hdr hdr;
+	u32 domain_id;
+	u32 alert_id;
+	u32 aux_alert_data;
+};
+
+enum dlb2_mbox_vf_notification_type {
+	DLB2_MBOX_VF_NOTIFICATION_PRE_RESET,
+	DLB2_MBOX_VF_NOTIFICATION_POST_RESET,
+
+	/* NUM_DLB2_MBOX_VF_NOTIFICATION_TYPES must be last */
+	NUM_DLB2_MBOX_VF_NOTIFICATION_TYPES,
+};
+
+struct dlb2_mbox_vf_notification_cmd_req {
+	struct dlb2_mbox_req_hdr hdr;
+	u32 notification;
+};
+
+struct dlb2_mbox_vf_in_use_cmd_req {
+	struct dlb2_mbox_req_hdr hdr;
+	u32 padding;
+};
+
+struct dlb2_mbox_vf_in_use_cmd_resp {
+	struct dlb2_mbox_resp_hdr hdr;
+	u32 in_use;
+};
+
+struct dlb2_mbox_get_sn_allocation_cmd_req {
+	struct dlb2_mbox_req_hdr hdr;
+	u32 group_id;
+};
+
+struct dlb2_mbox_get_sn_allocation_cmd_resp {
+	struct dlb2_mbox_resp_hdr hdr;
+	u32 num;
+};
+
+struct dlb2_mbox_get_ldb_queue_depth_cmd_req {
+	struct dlb2_mbox_req_hdr hdr;
+	u32 domain_id;
+	u32 queue_id;
+	u32 padding;
+};
+
+struct dlb2_mbox_get_ldb_queue_depth_cmd_resp {
+	struct dlb2_mbox_resp_hdr hdr;
+	u32 error_code;
+	u32 status;
+	u32 depth;
+};
+
+struct dlb2_mbox_get_dir_queue_depth_cmd_req {
+	struct dlb2_mbox_req_hdr hdr;
+	u32 domain_id;
+	u32 queue_id;
+	u32 padding;
+};
+
+struct dlb2_mbox_get_dir_queue_depth_cmd_resp {
+	struct dlb2_mbox_resp_hdr hdr;
+	u32 error_code;
+	u32 status;
+	u32 depth;
+};
+
+struct dlb2_mbox_pending_port_unmaps_cmd_req {
+	struct dlb2_mbox_req_hdr hdr;
+	u32 domain_id;
+	u32 port_id;
+	u32 padding;
+};
+
+struct dlb2_mbox_pending_port_unmaps_cmd_resp {
+	struct dlb2_mbox_resp_hdr hdr;
+	u32 error_code;
+	u32 status;
+	u32 num;
+};
+
+struct dlb2_mbox_get_cos_bw_cmd_req {
+	struct dlb2_mbox_req_hdr hdr;
+	u32 cos_id;
+};
+
+struct dlb2_mbox_get_cos_bw_cmd_resp {
+	struct dlb2_mbox_resp_hdr hdr;
+	u32 num;
+};
+
+struct dlb2_mbox_get_sn_occupancy_cmd_req {
+	struct dlb2_mbox_req_hdr hdr;
+	u32 group_id;
+};
+
+struct dlb2_mbox_get_sn_occupancy_cmd_resp {
+	struct dlb2_mbox_resp_hdr hdr;
+	u32 num;
+};
+
+struct dlb2_mbox_query_cq_poll_mode_cmd_req {
+	struct dlb2_mbox_req_hdr hdr;
+	u32 padding;
+};
+
+struct dlb2_mbox_query_cq_poll_mode_cmd_resp {
+	struct dlb2_mbox_resp_hdr hdr;
+	u32 error_code;
+	u32 status;
+	u32 mode;
+};
+
+#endif /* __DLB2_BASE_DLB2_MBOX_H */
diff --git a/drivers/event/dlb2/pf/base/dlb2_osdep.h b/drivers/event/dlb2/pf/base/dlb2_osdep.h
new file mode 100644
index 0000000..c8d8d5b
--- /dev/null
+++ b/drivers/event/dlb2/pf/base/dlb2_osdep.h
@@ -0,0 +1,248 @@
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(c) 2016-2020 Intel Corporation
+ */
+
+#ifndef __DLB2_OSDEP_H
+#define __DLB2_OSDEP_H
+
+#include <string.h>
+#include <time.h>
+#include <unistd.h>
+#include <pthread.h>
+
+#include <rte_string_fns.h>
+#include <rte_cycles.h>
+#include <rte_io.h>
+#include <rte_log.h>
+#include <rte_spinlock.h>
+#include "../dlb2_main.h"
+#include "dlb2_resource.h"
+#include "../../dlb2_log.h"
+#include "../../dlb2_user.h"
+
+
+#define DLB2_PCI_REG_READ(addr)        rte_read32((void *)addr)
+#define DLB2_PCI_REG_WRITE(reg, value) rte_write32(value, (void *)reg)
+
+/* Read/write register 'reg' in the CSR BAR space */
+#define DLB2_CSR_REG_ADDR(a, reg) ((void *)((uintptr_t)(a)->csr_kva + (reg)))
+#define DLB2_CSR_RD(hw, reg) \
+	DLB2_PCI_REG_READ(DLB2_CSR_REG_ADDR((hw), (reg)))
+#define DLB2_CSR_WR(hw, reg, value) \
+	DLB2_PCI_REG_WRITE(DLB2_CSR_REG_ADDR((hw), (reg)), (value))
+
+/* Read/write register 'reg' in the func BAR space */
+#define DLB2_FUNC_REG_ADDR(a, reg) ((void *)((uintptr_t)(a)->func_kva + (reg)))
+#define DLB2_FUNC_RD(hw, reg) \
+	DLB2_PCI_REG_READ(DLB2_FUNC_REG_ADDR((hw), (reg)))
+#define DLB2_FUNC_WR(hw, reg, value) \
+	DLB2_PCI_REG_WRITE(DLB2_FUNC_REG_ADDR((hw), (reg)), (value))
+
+/* Map to PMDs logging interface */
+#define DLB2_ERR(dev, fmt, args...) \
+	DLB2_LOG_ERR(fmt, ## args)
+
+#define DLB2_INFO(dev, fmt, args...) \
+	DLB2_LOG_INFO(fmt, ## args)
+
+#define DLB2_DEBUG(dev, fmt, args...) \
+	DLB2_LOG_DBG(fmt, ## args)
+
+/**
+ * os_udelay() - busy-wait for a number of microseconds
+ * @usecs: delay duration.
+ */
+static inline void os_udelay(int usecs)
+{
+	rte_delay_us(usecs);
+}
+
+/**
+ * os_msleep() - sleep for a number of milliseconds
+ * @usecs: delay duration.
+ */
+static inline void os_msleep(int msecs)
+{
+	rte_delay_ms(msecs);
+}
+
+#define DLB2_PP_BASE(__is_ldb) \
+	((__is_ldb) ? DLB2_LDB_PP_BASE : DLB2_DIR_PP_BASE)
+
+/**
+ * os_map_producer_port() - map a producer port into the caller's address space
+ * @hw: dlb2_hw handle for a particular device.
+ * @port_id: port ID
+ * @is_ldb: true for load-balanced port, false for a directed port
+ *
+ * This function maps the requested producer port memory into the caller's
+ * address space.
+ *
+ * Return:
+ * Returns the base address at which the PP memory was mapped, else NULL.
+ */
+static inline void *os_map_producer_port(struct dlb2_hw *hw,
+					 u8 port_id,
+					 bool is_ldb)
+{
+	uint64_t addr;
+	uint64_t pp_dma_base;
+
+
+	pp_dma_base = (uintptr_t)hw->func_kva + DLB2_PP_BASE(is_ldb);
+	addr = (pp_dma_base + (PAGE_SIZE * port_id));
+
+	return (void *)(uintptr_t)addr;
+}
+
+/**
+ * os_unmap_producer_port() - unmap a producer port
+ * @addr: mapped producer port address
+ *
+ * This function undoes os_map_producer_port() by unmapping the producer port
+ * memory from the caller's address space.
+ *
+ * Return:
+ * Returns the base address at which the PP memory was mapped, else NULL.
+ */
+static inline void os_unmap_producer_port(struct dlb2_hw *hw, void *addr)
+{
+	RTE_SET_USED(hw);
+	RTE_SET_USED(addr);
+}
+
+/**
+ * os_fence_hcw() - fence an HCW to ensure it arrives at the device
+ * @hw: dlb2_hw handle for a particular device.
+ * @pp_addr: producer port address
+ */
+static inline void os_fence_hcw(struct dlb2_hw *hw, u64 *pp_addr)
+{
+	RTE_SET_USED(hw);
+
+	/* To ensure outstanding HCWs reach the device, read the PP address. IA
+	 * memory ordering prevents reads from passing older writes, and the
+	 * mfence also ensures this.
+	 */
+	rte_mb();
+
+	*(volatile u64 *)pp_addr;
+}
+
+/**
+ * os_enqueue_four_hcws() - enqueue four HCWs to DLB
+ * @hw: dlb2_hw handle for a particular device.
+ * @hcw: pointer to the 64B-aligned contiguous HCW memory
+ * @addr: producer port address
+ */
+static inline void os_enqueue_four_hcws(struct dlb2_hw *hw,
+					struct dlb2_hcw *hcw,
+					void *addr)
+{
+	struct dlb2_dev *dlb2_dev;
+
+	dlb2_dev = container_of(hw, struct dlb2_dev, hw);
+
+	dlb2_dev->enqueue_four(hcw, addr);
+}
+
+/**
+ * DLB2_HW_ERR() - log an error message
+ * @dlb2: dlb2_hw handle for a particular device.
+ * @...: variable string args.
+ */
+#define DLB2_HW_ERR(dlb2, ...) do {	\
+	RTE_SET_USED(dlb2);		\
+	DLB2_ERR(dlb2, __VA_ARGS__);	\
+} while (0)
+
+/**
+ * DLB2_HW_DBG() - log an info message
+ * @dlb2: dlb2_hw handle for a particular device.
+ * @...: variable string args.
+ */
+#define DLB2_HW_DBG(dlb2, ...) do {	\
+	RTE_SET_USED(dlb2);		\
+	DLB2_DEBUG(dlb2, __VA_ARGS__);	\
+} while (0)
+
+/* The callback runs until it completes all outstanding QID->CQ
+ * map and unmap requests. To prevent deadlock, this function gives other
+ * threads a chance to grab the resource mutex and configure hardware.
+ */
+static void *dlb2_complete_queue_map_unmap(void *__args)
+{
+	struct dlb2_dev *dlb2_dev = (struct dlb2_dev *)__args;
+	int ret;
+
+	while (1) {
+		rte_spinlock_lock(&dlb2_dev->resource_mutex);
+
+		ret = dlb2_finish_unmap_qid_procedures(&dlb2_dev->hw);
+		ret += dlb2_finish_map_qid_procedures(&dlb2_dev->hw);
+
+		if (ret != 0) {
+			rte_spinlock_unlock(&dlb2_dev->resource_mutex);
+			/* Relinquish the CPU so the application can process
+			 * its CQs, so this function doesn't deadlock.
+			 */
+			sched_yield();
+		} else {
+			break;
+		}
+	}
+
+	dlb2_dev->worker_launched = false;
+
+	rte_spinlock_unlock(&dlb2_dev->resource_mutex);
+
+	return NULL;
+}
+
+
+/**
+ * os_schedule_work() - launch a thread to process pending map and unmap work
+ * @hw: dlb2_hw handle for a particular device.
+ *
+ * This function launches a kernel thread that will run until all pending
+ * map and unmap procedures are complete.
+ */
+static inline void os_schedule_work(struct dlb2_hw *hw)
+{
+	struct dlb2_dev *dlb2_dev;
+	pthread_t complete_queue_map_unmap_thread;
+	int ret;
+
+	dlb2_dev = container_of(hw, struct dlb2_dev, hw);
+
+	ret = rte_ctrl_thread_create(&complete_queue_map_unmap_thread,
+				     "dlb_queue_unmap_waiter",
+				     NULL,
+				     dlb2_complete_queue_map_unmap,
+				     dlb2_dev);
+	if (ret)
+		DLB2_ERR(dlb2_dev,
+			 "Could not create queue complete map/unmap thread, err=%d\n",
+			 ret);
+	else
+		dlb2_dev->worker_launched = true;
+}
+
+/**
+ * os_worker_active() - query whether the map/unmap worker thread is active
+ * @hw: dlb2_hw handle for a particular device.
+ *
+ * This function returns a boolean indicating whether a thread (launched by
+ * os_schedule_work()) is active. This function is used to determine
+ * whether or not to launch a worker thread.
+ */
+static inline bool os_worker_active(struct dlb2_hw *hw)
+{
+	struct dlb2_dev *dlb2_dev;
+
+	dlb2_dev = container_of(hw, struct dlb2_dev, hw);
+
+	return dlb2_dev->worker_launched;
+}
+
+#endif /*  __DLB2_OSDEP_H */
diff --git a/drivers/event/dlb2/pf/base/dlb2_osdep_bitmap.h b/drivers/event/dlb2/pf/base/dlb2_osdep_bitmap.h
new file mode 100644
index 0000000..7e48878
--- /dev/null
+++ b/drivers/event/dlb2/pf/base/dlb2_osdep_bitmap.h
@@ -0,0 +1,447 @@
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(c) 2016-2020 Intel Corporation
+ */
+
+#ifndef __DLB2_OSDEP_BITMAP_H
+#define __DLB2_OSDEP_BITMAP_H
+
+#include <stdint.h>
+#include <stdbool.h>
+#include <stdio.h>
+#include <unistd.h>
+#include <rte_bitmap.h>
+#include <rte_string_fns.h>
+#include <rte_malloc.h>
+#include <rte_errno.h>
+#include "../dlb2_main.h"
+
+/*************************/
+/*** Bitmap operations ***/
+/*************************/
+struct dlb2_bitmap {
+	struct rte_bitmap *map;
+	unsigned int len;
+};
+
+/**
+ * dlb2_bitmap_alloc() - alloc a bitmap data structure
+ * @bitmap: pointer to dlb2_bitmap structure pointer.
+ * @len: number of entries in the bitmap.
+ *
+ * This function allocates a bitmap and initializes it with length @len. All
+ * entries are initially zero.
+ *
+ * Return:
+ * Returns 0 upon success, < 0 otherwise.
+ *
+ * Errors:
+ * EINVAL - bitmap is NULL or len is 0.
+ * ENOMEM - could not allocate memory for the bitmap data structure.
+ */
+static inline int dlb2_bitmap_alloc(struct dlb2_bitmap **bitmap,
+				    unsigned int len)
+{
+	struct dlb2_bitmap *bm;
+	void *mem;
+	uint32_t alloc_size;
+	uint32_t nbits = (uint32_t)len;
+
+	if (!bitmap || nbits == 0)
+		return -EINVAL;
+
+	/* Allocate DLB2 bitmap control struct */
+	bm = rte_malloc("DLB2_PF",
+			sizeof(struct dlb2_bitmap),
+			RTE_CACHE_LINE_SIZE);
+
+	if (!bm)
+		return -ENOMEM;
+
+	/* Allocate bitmap memory */
+	alloc_size = rte_bitmap_get_memory_footprint(nbits);
+	mem = rte_malloc("DLB2_PF_BITMAP", alloc_size, RTE_CACHE_LINE_SIZE);
+	if (!mem) {
+		rte_free(bm);
+		return -ENOMEM;
+	}
+
+	bm->map = rte_bitmap_init(len, mem, alloc_size);
+	if (!bm->map) {
+		rte_free(mem);
+		rte_free(bm);
+		return -ENOMEM;
+	}
+
+	bm->len = len;
+
+	*bitmap = bm;
+
+	return 0;
+}
+
+/**
+ * dlb2_bitmap_free() - free a previously allocated bitmap data structure
+ * @bitmap: pointer to dlb2_bitmap structure.
+ *
+ * This function frees a bitmap that was allocated with dlb2_bitmap_alloc().
+ */
+static inline void dlb2_bitmap_free(struct dlb2_bitmap *bitmap)
+{
+	if (!bitmap)
+		return;
+
+	rte_free(bitmap->map);
+	rte_free(bitmap);
+}
+
+/**
+ * dlb2_bitmap_fill() - fill a bitmap with all 1s
+ * @bitmap: pointer to dlb2_bitmap structure.
+ *
+ * This function sets all bitmap values to 1.
+ *
+ * Return:
+ * Returns 0 upon success, < 0 otherwise.
+ *
+ * Errors:
+ * EINVAL - bitmap is NULL or is uninitialized.
+ */
+static inline int dlb2_bitmap_fill(struct dlb2_bitmap *bitmap)
+{
+	unsigned int i;
+
+	if (!bitmap || !bitmap->map)
+		return -EINVAL;
+
+	/* TODO - optimize */
+	for (i = 0; i != bitmap->len; i++)
+		rte_bitmap_set(bitmap->map, i);
+
+	return 0;
+}
+
+/**
+ * dlb2_bitmap_fill() - fill a bitmap with all 0s
+ * @bitmap: pointer to dlb2_bitmap structure.
+ *
+ * This function sets all bitmap values to 0.
+ *
+ * Return:
+ * Returns 0 upon success, < 0 otherwise.
+ *
+ * Errors:
+ * EINVAL - bitmap is NULL or is uninitialized.
+ */
+static inline int dlb2_bitmap_zero(struct dlb2_bitmap *bitmap)
+{
+	if (!bitmap || !bitmap->map)
+		return -EINVAL;
+
+	rte_bitmap_reset(bitmap->map);
+
+	return 0;
+}
+
+/**
+ * dlb2_bitmap_set() - set a bitmap entry
+ * @bitmap: pointer to dlb2_bitmap structure.
+ * @bit: bit index.
+ *
+ * Return:
+ * Returns 0 upon success, < 0 otherwise.
+ *
+ * Errors:
+ * EINVAL - bitmap is NULL or is uninitialized, or bit is larger than the
+ *	    bitmap length.
+ */
+static inline int dlb2_bitmap_set(struct dlb2_bitmap *bitmap,
+				  unsigned int bit)
+{
+	if (!bitmap || !bitmap->map)
+		return -EINVAL;
+
+	if (bitmap->len <= bit)
+		return -EINVAL;
+
+	rte_bitmap_set(bitmap->map, bit);
+
+	return 0;
+}
+
+/**
+ * dlb2_bitmap_set_range() - set a range of bitmap entries
+ * @bitmap: pointer to dlb2_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 dlb2_bitmap_set_range(struct dlb2_bitmap *bitmap,
+					unsigned int bit,
+					unsigned int len)
+{
+	unsigned int i;
+
+	if (!bitmap || !bitmap->map)
+		return -EINVAL;
+
+	if (bitmap->len <= bit)
+		return -EINVAL;
+
+	/* TODO - optimize */
+	for (i = 0; i != len; i++)
+		rte_bitmap_set(bitmap->map, bit + i);
+
+	return 0;
+}
+
+/**
+ * dlb2_bitmap_clear() - clear a bitmap entry
+ * @bitmap: pointer to dlb2_bitmap structure.
+ * @bit: bit index.
+ *
+ * Return:
+ * Returns 0 upon success, < 0 otherwise.
+ *
+ * Errors:
+ * EINVAL - bitmap is NULL or is uninitialized, or bit is larger than the
+ *	    bitmap length.
+ */
+static inline int dlb2_bitmap_clear(struct dlb2_bitmap *bitmap,
+				    unsigned int bit)
+{
+	if (!bitmap || !bitmap->map)
+		return -EINVAL;
+
+	if (bitmap->len <= bit)
+		return -EINVAL;
+
+	rte_bitmap_clear(bitmap->map, bit);
+
+	return 0;
+}
+
+/**
+ * dlb2_bitmap_clear_range() - clear a range of bitmap entries
+ * @bitmap: pointer to dlb2_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 dlb2_bitmap_clear_range(struct dlb2_bitmap *bitmap,
+					  unsigned int bit,
+					  unsigned int len)
+{
+	unsigned int i;
+
+	if (!bitmap || !bitmap->map)
+		return -EINVAL;
+
+	if (bitmap->len <= bit)
+		return -EINVAL;
+
+	/* TODO - optimize */
+	for (i = 0; i != len; i++)
+		rte_bitmap_clear(bitmap->map, bit + i);
+
+	return 0;
+}
+
+/**
+ * dlb2_bitmap_find_set_bit_range() - find an range of set bits
+ * @bitmap: pointer to dlb2_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 dlb2_bitmap_find_set_bit_range(struct dlb2_bitmap *bitmap,
+						 unsigned int len)
+{
+	unsigned int i, j = 0;
+
+	if (!bitmap || !bitmap->map || len == 0)
+		return -EINVAL;
+
+	if (bitmap->len < len)
+		return -ENOENT;
+
+	/* TODO - optimize */
+	for (i = 0; i != bitmap->len; i++) {
+		if  (rte_bitmap_get(bitmap->map, i)) {
+			if (++j == len)
+				return i - j + 1;
+		} else {
+			j = 0;
+		}
+	}
+
+	/* No set bit range of length len? */
+	return -ENOENT;
+}
+
+/**
+ * dlb2_bitmap_find_set_bit() - find an range of set bits
+ * @bitmap: pointer to dlb2_bitmap structure.
+ *
+ * This function looks for a single set bit.
+ *
+ * Return:
+ * Returns the base bit index upon success, -1 if not found, <-1 otherwise.
+ *
+ * Errors:
+ * EINVAL - bitmap is NULL or is uninitialized, or len is invalid.
+ */
+static inline int dlb2_bitmap_find_set_bit(struct dlb2_bitmap *bitmap)
+{
+	unsigned int i;
+
+	if (!bitmap)
+		return -EINVAL;
+
+	if (!bitmap->map)
+		return -EINVAL;
+
+	/* TODO - optimize */
+	for (i = 0; i != bitmap->len; i++) {
+		if  (rte_bitmap_get(bitmap->map, i))
+			return i;
+	}
+
+	return -ENOENT;
+}
+
+/**
+ * dlb2_bitmap_count() - returns the number of set bits
+ * @bitmap: pointer to dlb2_bitmap structure.
+ *
+ * This function looks for a single set bit.
+ *
+ * Return:
+ * Returns the number of set bits upon success, <0 otherwise.
+ *
+ * Errors:
+ * EINVAL - bitmap is NULL or is uninitialized.
+ */
+static inline int dlb2_bitmap_count(struct dlb2_bitmap *bitmap)
+{
+	int weight = 0;
+	unsigned int i;
+
+	if (!bitmap)
+		return -EINVAL;
+
+	if (!bitmap->map)
+		return -EINVAL;
+
+	/* TODO - optimize */
+	for (i = 0; i != bitmap->len; i++) {
+		if  (rte_bitmap_get(bitmap->map, i))
+			weight++;
+	}
+	return weight;
+}
+
+/**
+ * dlb2_bitmap_longest_set_range() - returns longest contiguous range of set
+ *				      bits
+ * @bitmap: pointer to dlb2_bitmap structure.
+ *
+ * Return:
+ * Returns the bitmap's longest contiguous range of of set bits upon success,
+ * <0 otherwise.
+ *
+ * Errors:
+ * EINVAL - bitmap is NULL or is uninitialized.
+ */
+static inline int dlb2_bitmap_longest_set_range(struct dlb2_bitmap *bitmap)
+{
+	int max_len = 0, len = 0;
+	unsigned int i;
+
+	if (!bitmap)
+		return -EINVAL;
+
+	if (!bitmap->map)
+		return -EINVAL;
+
+	/* TODO - optimize */
+	for (i = 0; i != bitmap->len; i++) {
+		if  (rte_bitmap_get(bitmap->map, i)) {
+			len++;
+		} else {
+			if (len > max_len)
+				max_len = len;
+			len = 0;
+		}
+	}
+
+	if (len > max_len)
+		max_len = len;
+
+	return max_len;
+}
+
+/**
+ * dlb2_bitmap_or() - store the logical 'or' of two bitmaps into a third
+ * @dest: pointer to dlb2_bitmap structure, which will contain the results of
+ *	  the 'or' of src1 and src2.
+ * @src1: pointer to dlb2_bitmap structure, will be 'or'ed with src2.
+ * @src2: pointer to dlb2_bitmap structure, will be 'or'ed with src1.
+ *
+ * This function 'or's two bitmaps together and stores the result in a third
+ * bitmap. The source and destination bitmaps can be the same.
+ *
+ * Return:
+ * Returns the number of set bits upon success, <0 otherwise.
+ *
+ * Errors:
+ * EINVAL - One of the bitmaps is NULL or is uninitialized.
+ */
+static inline int dlb2_bitmap_or(struct dlb2_bitmap *dest,
+				 struct dlb2_bitmap *src1,
+				 struct dlb2_bitmap *src2)
+{
+	unsigned int i, min;
+	int numset = 0;
+
+	if (!dest || !dest->map ||
+	    !src1 || !src1->map ||
+	    !src2 || !src2->map)
+		return -EINVAL;
+
+	min = dest->len;
+	min = (min > src1->len) ? src1->len : min;
+	min = (min > src2->len) ? src2->len : min;
+
+	for (i = 0; i != min; i++) {
+		if  (rte_bitmap_get(src1->map, i) ||
+		     rte_bitmap_get(src2->map, i)) {
+			rte_bitmap_set(dest->map, i);
+			numset++;
+		} else {
+			rte_bitmap_clear(dest->map, i);
+		}
+	}
+
+	return numset;
+}
+
+#endif /*  __DLB2_OSDEP_BITMAP_H */
diff --git a/drivers/event/dlb2/pf/base/dlb2_osdep_list.h b/drivers/event/dlb2/pf/base/dlb2_osdep_list.h
new file mode 100644
index 0000000..5531739
--- /dev/null
+++ b/drivers/event/dlb2/pf/base/dlb2_osdep_list.h
@@ -0,0 +1,131 @@
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(c) 2016-2020 Intel Corporation
+ */
+
+#ifndef __DLB2_OSDEP_LIST_H
+#define __DLB2_OSDEP_LIST_H
+
+#include <rte_tailq.h>
+
+struct dlb2_list_entry {
+	TAILQ_ENTRY(dlb2_list_entry) node;
+};
+
+/* Dummy - just a struct definition */
+TAILQ_HEAD(dlb2_list_head, dlb2_list_entry);
+
+/* =================
+ * TAILQ Supplements
+ * =================
+ */
+
+#ifndef TAILQ_FOREACH_ENTRY
+#define TAILQ_FOREACH_ENTRY(ptr, head, name, iter)		\
+	for ((iter) = TAILQ_FIRST(&head);			\
+	    (iter)						\
+		&& (ptr = container_of(iter, typeof(*(ptr)), name)); \
+	    (iter) = TAILQ_NEXT((iter), node))
+#endif
+
+#ifndef TAILQ_FOREACH_ENTRY_SAFE
+#define TAILQ_FOREACH_ENTRY_SAFE(ptr, head, name, iter, tvar)	\
+	for ((iter) = TAILQ_FIRST(&head);			\
+	    (iter) &&						\
+		(ptr = container_of(iter, typeof(*(ptr)), name)) &&\
+		((tvar) = TAILQ_NEXT((iter), node), 1);	\
+	    (iter) = (tvar))
+#endif
+
+/***********************/
+/*** List operations ***/
+/***********************/
+
+/**
+ * dlb2_list_init_head() - initialize the head of a list
+ * @head: list head
+ */
+static inline void dlb2_list_init_head(struct dlb2_list_head *head)
+{
+	TAILQ_INIT(head);
+}
+
+/**
+ * dlb2_list_add() - add an entry to a list
+ * @head: list head
+ * @entry: new list entry
+ */
+static inline void
+dlb2_list_add(struct dlb2_list_head *head, struct dlb2_list_entry *entry)
+{
+	TAILQ_INSERT_TAIL(head, entry, node);
+}
+
+/**
+ * dlb2_list_del() - delete an entry from a list
+ * @entry: list entry
+ * @head: list head
+ */
+static inline void dlb2_list_del(struct dlb2_list_head *head,
+				 struct dlb2_list_entry *entry)
+{
+	TAILQ_REMOVE(head, entry, node);
+}
+
+/**
+ * dlb2_list_empty() - check if a list is empty
+ * @head: list head
+ *
+ * Return:
+ * Returns 1 if empty, 0 if not.
+ */
+static inline int dlb2_list_empty(struct dlb2_list_head *head)
+{
+	return TAILQ_EMPTY(head);
+}
+
+/**
+ * dlb2_list_splice() - splice a list
+ * @src_head: list to be added
+ * @ head: where src_head will be inserted
+ */
+static inline void dlb2_list_splice(struct dlb2_list_head *src_head,
+				    struct dlb2_list_head *head)
+{
+	TAILQ_CONCAT(head, src_head, node);
+}
+
+/**
+ * DLB2_LIST_HEAD() - retrieve the head of the list
+ * @head: list head
+ * @type: type of the list variable
+ * @name: name of the list field within the containing struct
+ */
+#define DLB2_LIST_HEAD(head, type, name)                       \
+	(TAILQ_FIRST(&head) ?					\
+		container_of(TAILQ_FIRST(&head), type, name) :	\
+		NULL)
+
+/**
+ * DLB2_LIST_FOR_EACH() - iterate over a list
+ * @head: list head
+ * @ptr: pointer to struct containing a struct list
+ * @name: name of the list field within the containing struct
+ * @iter: iterator variable
+ */
+#define DLB2_LIST_FOR_EACH(head, ptr, name, tmp_iter) \
+	TAILQ_FOREACH_ENTRY(ptr, head, name, tmp_iter)
+
+/**
+ * DLB2_LIST_FOR_EACH_SAFE() - iterate over a list. This loop works even if
+ * an element is removed from the list while processing it.
+ * @ptr: pointer to struct containing a struct list
+ * @ptr_tmp: pointer to struct containing a struct list (temporary)
+ * @head: list head
+ * @name: name of the list field within the containing struct
+ * @iter: iterator variable
+ * @iter_tmp: iterator variable (temporary)
+ */
+#define DLB2_LIST_FOR_EACH_SAFE(head, ptr, ptr_tmp, name, tmp_iter, saf_itr) \
+	TAILQ_FOREACH_ENTRY_SAFE(ptr, head, name, tmp_iter, saf_itr)
+
+#endif /*  __DLB2_OSDEP_LIST_H */
diff --git a/drivers/event/dlb2/pf/base/dlb2_osdep_types.h b/drivers/event/dlb2/pf/base/dlb2_osdep_types.h
new file mode 100644
index 0000000..0a48f7e
--- /dev/null
+++ b/drivers/event/dlb2/pf/base/dlb2_osdep_types.h
@@ -0,0 +1,31 @@
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(c) 2016-2020 Intel Corporation
+ */
+
+#ifndef __DLB2_OSDEP_TYPES_H
+#define __DLB2_OSDEP_TYPES_H
+
+#include <linux/types.h>
+
+#include <inttypes.h>
+#include <ctype.h>
+#include <stdint.h>
+#include <stdbool.h>
+#include <string.h>
+#include <unistd.h>
+#include <errno.h>
+
+/* Types for user mode PF PMD */
+typedef uint8_t         u8;
+typedef int8_t          s8;
+typedef uint16_t        u16;
+typedef int16_t         s16;
+typedef uint32_t        u32;
+typedef int32_t         s32;
+typedef uint64_t        u64;
+
+#define __iomem
+
+/* END types for user mode PF PMD */
+
+#endif /* __DLB2_OSDEP_TYPES_H */
diff --git a/drivers/event/dlb2/pf/base/dlb2_regs.h b/drivers/event/dlb2/pf/base/dlb2_regs.h
new file mode 100644
index 0000000..43ecad4
--- /dev/null
+++ b/drivers/event/dlb2/pf/base/dlb2_regs.h
@@ -0,0 +1,2527 @@
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(c) 2016-2020 Intel Corporation
+ */
+
+#ifndef __DLB2_REGS_H
+#define __DLB2_REGS_H
+
+#include "dlb2_osdep_types.h"
+
+#define DLB2_FUNC_PF_VF2PF_MAILBOX_BYTES 256
+#define DLB2_FUNC_PF_VF2PF_MAILBOX(vf_id, x) \
+	(0x1000 + 0x4 * (x) + (vf_id) * 0x10000)
+#define DLB2_FUNC_PF_VF2PF_MAILBOX_RST 0x0
+union dlb2_func_pf_vf2pf_mailbox {
+	struct {
+		u32 msg : 32;
+	} field;
+	u32 val;
+};
+
+#define DLB2_FUNC_PF_VF2PF_MAILBOX_ISR(vf_id) \
+	(0x1f00 + (vf_id) * 0x10000)
+#define DLB2_FUNC_PF_VF2PF_MAILBOX_ISR_RST 0x0
+union dlb2_func_pf_vf2pf_mailbox_isr {
+	struct {
+		u32 vf0_isr : 1;
+		u32 vf1_isr : 1;
+		u32 vf2_isr : 1;
+		u32 vf3_isr : 1;
+		u32 vf4_isr : 1;
+		u32 vf5_isr : 1;
+		u32 vf6_isr : 1;
+		u32 vf7_isr : 1;
+		u32 vf8_isr : 1;
+		u32 vf9_isr : 1;
+		u32 vf10_isr : 1;
+		u32 vf11_isr : 1;
+		u32 vf12_isr : 1;
+		u32 vf13_isr : 1;
+		u32 vf14_isr : 1;
+		u32 vf15_isr : 1;
+		u32 rsvd0 : 16;
+	} field;
+	u32 val;
+};
+
+#define DLB2_FUNC_PF_VF2PF_FLR_ISR(vf_id) \
+	(0x1f04 + (vf_id) * 0x10000)
+#define DLB2_FUNC_PF_VF2PF_FLR_ISR_RST 0x0
+union dlb2_func_pf_vf2pf_flr_isr {
+	struct {
+		u32 vf0_isr : 1;
+		u32 vf1_isr : 1;
+		u32 vf2_isr : 1;
+		u32 vf3_isr : 1;
+		u32 vf4_isr : 1;
+		u32 vf5_isr : 1;
+		u32 vf6_isr : 1;
+		u32 vf7_isr : 1;
+		u32 vf8_isr : 1;
+		u32 vf9_isr : 1;
+		u32 vf10_isr : 1;
+		u32 vf11_isr : 1;
+		u32 vf12_isr : 1;
+		u32 vf13_isr : 1;
+		u32 vf14_isr : 1;
+		u32 vf15_isr : 1;
+		u32 rsvd0 : 16;
+	} field;
+	u32 val;
+};
+
+#define DLB2_FUNC_PF_VF2PF_ISR_PEND(vf_id) \
+	(0x1f10 + (vf_id) * 0x10000)
+#define DLB2_FUNC_PF_VF2PF_ISR_PEND_RST 0x0
+union dlb2_func_pf_vf2pf_isr_pend {
+	struct {
+		u32 isr_pend : 1;
+		u32 rsvd0 : 31;
+	} field;
+	u32 val;
+};
+
+#define DLB2_FUNC_PF_PF2VF_MAILBOX_BYTES 64
+#define DLB2_FUNC_PF_PF2VF_MAILBOX(vf_id, x) \
+	(0x2000 + 0x4 * (x) + (vf_id) * 0x10000)
+#define DLB2_FUNC_PF_PF2VF_MAILBOX_RST 0x0
+union dlb2_func_pf_pf2vf_mailbox {
+	struct {
+		u32 msg : 32;
+	} field;
+	u32 val;
+};
+
+#define DLB2_FUNC_PF_PF2VF_MAILBOX_ISR(vf_id) \
+	(0x2f00 + (vf_id) * 0x10000)
+#define DLB2_FUNC_PF_PF2VF_MAILBOX_ISR_RST 0x0
+union dlb2_func_pf_pf2vf_mailbox_isr {
+	struct {
+		u32 vf0_isr : 1;
+		u32 vf1_isr : 1;
+		u32 vf2_isr : 1;
+		u32 vf3_isr : 1;
+		u32 vf4_isr : 1;
+		u32 vf5_isr : 1;
+		u32 vf6_isr : 1;
+		u32 vf7_isr : 1;
+		u32 vf8_isr : 1;
+		u32 vf9_isr : 1;
+		u32 vf10_isr : 1;
+		u32 vf11_isr : 1;
+		u32 vf12_isr : 1;
+		u32 vf13_isr : 1;
+		u32 vf14_isr : 1;
+		u32 vf15_isr : 1;
+		u32 rsvd0 : 16;
+	} field;
+	u32 val;
+};
+
+#define DLB2_FUNC_PF_VF_RESET_IN_PROGRESS(vf_id) \
+	(0x3000 + (vf_id) * 0x10000)
+#define DLB2_FUNC_PF_VF_RESET_IN_PROGRESS_RST 0xffff
+union dlb2_func_pf_vf_reset_in_progress {
+	struct {
+		u32 vf0_reset_in_progress : 1;
+		u32 vf1_reset_in_progress : 1;
+		u32 vf2_reset_in_progress : 1;
+		u32 vf3_reset_in_progress : 1;
+		u32 vf4_reset_in_progress : 1;
+		u32 vf5_reset_in_progress : 1;
+		u32 vf6_reset_in_progress : 1;
+		u32 vf7_reset_in_progress : 1;
+		u32 vf8_reset_in_progress : 1;
+		u32 vf9_reset_in_progress : 1;
+		u32 vf10_reset_in_progress : 1;
+		u32 vf11_reset_in_progress : 1;
+		u32 vf12_reset_in_progress : 1;
+		u32 vf13_reset_in_progress : 1;
+		u32 vf14_reset_in_progress : 1;
+		u32 vf15_reset_in_progress : 1;
+		u32 rsvd0 : 16;
+	} field;
+	u32 val;
+};
+
+#define DLB2_MSIX_MEM_VECTOR_CTRL(x) \
+	(0x100000c + (x) * 0x10)
+#define DLB2_MSIX_MEM_VECTOR_CTRL_RST 0x1
+union dlb2_msix_mem_vector_ctrl {
+	struct {
+		u32 vec_mask : 1;
+		u32 rsvd0 : 31;
+	} field;
+	u32 val;
+};
+
+#define DLB2_IOSF_FUNC_VF_BAR_DSBL(x) \
+	(0x20 + (x) * 0x4)
+#define DLB2_IOSF_FUNC_VF_BAR_DSBL_RST 0x0
+union dlb2_iosf_func_vf_bar_dsbl {
+	struct {
+		u32 func_vf_bar_dis : 1;
+		u32 rsvd0 : 31;
+	} field;
+	u32 val;
+};
+
+#define DLB2_SYS_TOTAL_VAS 0x1000011c
+#define DLB2_SYS_TOTAL_VAS_RST 0x20
+union dlb2_sys_total_vas {
+	struct {
+		u32 total_vas : 32;
+	} field;
+	u32 val;
+};
+
+#define DLB2_SYS_TOTAL_DIR_PORTS 0x10000118
+#define DLB2_SYS_TOTAL_DIR_PORTS_RST 0x40
+union dlb2_sys_total_dir_ports {
+	struct {
+		u32 total_dir_ports : 32;
+	} field;
+	u32 val;
+};
+
+#define DLB2_SYS_TOTAL_LDB_PORTS 0x10000114
+#define DLB2_SYS_TOTAL_LDB_PORTS_RST 0x40
+union dlb2_sys_total_ldb_ports {
+	struct {
+		u32 total_ldb_ports : 32;
+	} field;
+	u32 val;
+};
+
+#define DLB2_SYS_TOTAL_DIR_QID 0x10000110
+#define DLB2_SYS_TOTAL_DIR_QID_RST 0x40
+union dlb2_sys_total_dir_qid {
+	struct {
+		u32 total_dir_qid : 32;
+	} field;
+	u32 val;
+};
+
+#define DLB2_SYS_TOTAL_LDB_QID 0x1000010c
+#define DLB2_SYS_TOTAL_LDB_QID_RST 0x20
+union dlb2_sys_total_ldb_qid {
+	struct {
+		u32 total_ldb_qid : 32;
+	} field;
+	u32 val;
+};
+
+#define DLB2_SYS_TOTAL_DIR_CRDS 0x10000108
+#define DLB2_SYS_TOTAL_DIR_CRDS_RST 0x1000
+union dlb2_sys_total_dir_crds {
+	struct {
+		u32 total_dir_credits : 32;
+	} field;
+	u32 val;
+};
+
+#define DLB2_SYS_TOTAL_LDB_CRDS 0x10000104
+#define DLB2_SYS_TOTAL_LDB_CRDS_RST 0x2000
+union dlb2_sys_total_ldb_crds {
+	struct {
+		u32 total_ldb_credits : 32;
+	} field;
+	u32 val;
+};
+
+#define DLB2_SYS_ALARM_PF_SYND2 0x10000508
+#define DLB2_SYS_ALARM_PF_SYND2_RST 0x0
+union dlb2_sys_alarm_pf_synd2 {
+	struct {
+		u32 lock_id : 16;
+		u32 meas : 1;
+		u32 debug : 7;
+		u32 cq_pop : 1;
+		u32 qe_uhl : 1;
+		u32 qe_orsp : 1;
+		u32 qe_valid : 1;
+		u32 cq_int_rearm : 1;
+		u32 dsi_error : 1;
+		u32 rsvd0 : 2;
+	} field;
+	u32 val;
+};
+
+#define DLB2_SYS_ALARM_PF_SYND1 0x10000504
+#define DLB2_SYS_ALARM_PF_SYND1_RST 0x0
+union dlb2_sys_alarm_pf_synd1 {
+	struct {
+		u32 dsi : 16;
+		u32 qid : 8;
+		u32 qtype : 2;
+		u32 qpri : 3;
+		u32 msg_type : 3;
+	} field;
+	u32 val;
+};
+
+#define DLB2_SYS_ALARM_PF_SYND0 0x10000500
+#define DLB2_SYS_ALARM_PF_SYND0_RST 0x0
+union dlb2_sys_alarm_pf_synd0 {
+	struct {
+		u32 syndrome : 8;
+		u32 rtype : 2;
+		u32 rsvd0 : 3;
+		u32 is_ldb : 1;
+		u32 cls : 2;
+		u32 aid : 6;
+		u32 unit : 4;
+		u32 source : 4;
+		u32 more : 1;
+		u32 valid : 1;
+	} field;
+	u32 val;
+};
+
+#define DLB2_SYS_VF_LDB_VPP_V(x) \
+	(0x10000f00 + (x) * 0x1000)
+#define DLB2_SYS_VF_LDB_VPP_V_RST 0x0
+union dlb2_sys_vf_ldb_vpp_v {
+	struct {
+		u32 vpp_v : 1;
+		u32 rsvd0 : 31;
+	} field;
+	u32 val;
+};
+
+#define DLB2_SYS_VF_LDB_VPP2PP(x) \
+	(0x10000f04 + (x) * 0x1000)
+#define DLB2_SYS_VF_LDB_VPP2PP_RST 0x0
+union dlb2_sys_vf_ldb_vpp2pp {
+	struct {
+		u32 pp : 6;
+		u32 rsvd0 : 26;
+	} field;
+	u32 val;
+};
+
+#define DLB2_SYS_VF_DIR_VPP_V(x) \
+	(0x10000f08 + (x) * 0x1000)
+#define DLB2_SYS_VF_DIR_VPP_V_RST 0x0
+union dlb2_sys_vf_dir_vpp_v {
+	struct {
+		u32 vpp_v : 1;
+		u32 rsvd0 : 31;
+	} field;
+	u32 val;
+};
+
+#define DLB2_SYS_VF_DIR_VPP2PP(x) \
+	(0x10000f0c + (x) * 0x1000)
+#define DLB2_SYS_VF_DIR_VPP2PP_RST 0x0
+union dlb2_sys_vf_dir_vpp2pp {
+	struct {
+		u32 pp : 6;
+		u32 rsvd0 : 26;
+	} field;
+	u32 val;
+};
+
+#define DLB2_SYS_VF_LDB_VQID_V(x) \
+	(0x10000f10 + (x) * 0x1000)
+#define DLB2_SYS_VF_LDB_VQID_V_RST 0x0
+union dlb2_sys_vf_ldb_vqid_v {
+	struct {
+		u32 vqid_v : 1;
+		u32 rsvd0 : 31;
+	} field;
+	u32 val;
+};
+
+#define DLB2_SYS_VF_LDB_VQID2QID(x) \
+	(0x10000f14 + (x) * 0x1000)
+#define DLB2_SYS_VF_LDB_VQID2QID_RST 0x0
+union dlb2_sys_vf_ldb_vqid2qid {
+	struct {
+		u32 qid : 5;
+		u32 rsvd0 : 27;
+	} field;
+	u32 val;
+};
+
+#define DLB2_SYS_LDB_QID2VQID(x) \
+	(0x10000f18 + (x) * 0x1000)
+#define DLB2_SYS_LDB_QID2VQID_RST 0x0
+union dlb2_sys_ldb_qid2vqid {
+	struct {
+		u32 vqid : 5;
+		u32 rsvd0 : 27;
+	} field;
+	u32 val;
+};
+
+#define DLB2_SYS_VF_DIR_VQID_V(x) \
+	(0x10000f1c + (x) * 0x1000)
+#define DLB2_SYS_VF_DIR_VQID_V_RST 0x0
+union dlb2_sys_vf_dir_vqid_v {
+	struct {
+		u32 vqid_v : 1;
+		u32 rsvd0 : 31;
+	} field;
+	u32 val;
+};
+
+#define DLB2_SYS_VF_DIR_VQID2QID(x) \
+	(0x10000f20 + (x) * 0x1000)
+#define DLB2_SYS_VF_DIR_VQID2QID_RST 0x0
+union dlb2_sys_vf_dir_vqid2qid {
+	struct {
+		u32 qid : 6;
+		u32 rsvd0 : 26;
+	} field;
+	u32 val;
+};
+
+#define DLB2_SYS_LDB_VASQID_V(x) \
+	(0x10000f24 + (x) * 0x1000)
+#define DLB2_SYS_LDB_VASQID_V_RST 0x0
+union dlb2_sys_ldb_vasqid_v {
+	struct {
+		u32 vasqid_v : 1;
+		u32 rsvd0 : 31;
+	} field;
+	u32 val;
+};
+
+#define DLB2_SYS_DIR_VASQID_V(x) \
+	(0x10000f28 + (x) * 0x1000)
+#define DLB2_SYS_DIR_VASQID_V_RST 0x0
+union dlb2_sys_dir_vasqid_v {
+	struct {
+		u32 vasqid_v : 1;
+		u32 rsvd0 : 31;
+	} field;
+	u32 val;
+};
+
+#define DLB2_SYS_ALARM_VF_SYND2(x) \
+	(0x10000f48 + (x) * 0x1000)
+#define DLB2_SYS_ALARM_VF_SYND2_RST 0x0
+union dlb2_sys_alarm_vf_synd2 {
+	struct {
+		u32 lock_id : 16;
+		u32 debug : 8;
+		u32 cq_pop : 1;
+		u32 qe_uhl : 1;
+		u32 qe_orsp : 1;
+		u32 qe_valid : 1;
+		u32 isz : 1;
+		u32 dsi_error : 1;
+		u32 dlbrsvd : 2;
+	} field;
+	u32 val;
+};
+
+#define DLB2_SYS_ALARM_VF_SYND1(x) \
+	(0x10000f44 + (x) * 0x1000)
+#define DLB2_SYS_ALARM_VF_SYND1_RST 0x0
+union dlb2_sys_alarm_vf_synd1 {
+	struct {
+		u32 dsi : 16;
+		u32 qid : 8;
+		u32 qtype : 2;
+		u32 qpri : 3;
+		u32 msg_type : 3;
+	} field;
+	u32 val;
+};
+
+#define DLB2_SYS_ALARM_VF_SYND0(x) \
+	(0x10000f40 + (x) * 0x1000)
+#define DLB2_SYS_ALARM_VF_SYND0_RST 0x0
+union dlb2_sys_alarm_vf_synd0 {
+	struct {
+		u32 syndrome : 8;
+		u32 rtype : 2;
+		u32 vf_synd0_parity : 1;
+		u32 vf_synd1_parity : 1;
+		u32 vf_synd2_parity : 1;
+		u32 is_ldb : 1;
+		u32 cls : 2;
+		u32 aid : 6;
+		u32 unit : 4;
+		u32 source : 4;
+		u32 more : 1;
+		u32 valid : 1;
+	} field;
+	u32 val;
+};
+
+#define DLB2_SYS_LDB_QID_CFG_V(x) \
+	(0x10000f58 + (x) * 0x1000)
+#define DLB2_SYS_LDB_QID_CFG_V_RST 0x0
+union dlb2_sys_ldb_qid_cfg_v {
+	struct {
+		u32 sn_cfg_v : 1;
+		u32 fid_cfg_v : 1;
+		u32 rsvd0 : 30;
+	} field;
+	u32 val;
+};
+
+#define DLB2_SYS_LDB_QID_ITS(x) \
+	(0x10000f54 + (x) * 0x1000)
+#define DLB2_SYS_LDB_QID_ITS_RST 0x0
+union dlb2_sys_ldb_qid_its {
+	struct {
+		u32 qid_its : 1;
+		u32 rsvd0 : 31;
+	} field;
+	u32 val;
+};
+
+#define DLB2_SYS_LDB_QID_V(x) \
+	(0x10000f50 + (x) * 0x1000)
+#define DLB2_SYS_LDB_QID_V_RST 0x0
+union dlb2_sys_ldb_qid_v {
+	struct {
+		u32 qid_v : 1;
+		u32 rsvd0 : 31;
+	} field;
+	u32 val;
+};
+
+#define DLB2_SYS_DIR_QID_ITS(x) \
+	(0x10000f64 + (x) * 0x1000)
+#define DLB2_SYS_DIR_QID_ITS_RST 0x0
+union dlb2_sys_dir_qid_its {
+	struct {
+		u32 qid_its : 1;
+		u32 rsvd0 : 31;
+	} field;
+	u32 val;
+};
+
+#define DLB2_SYS_DIR_QID_V(x) \
+	(0x10000f60 + (x) * 0x1000)
+#define DLB2_SYS_DIR_QID_V_RST 0x0
+union dlb2_sys_dir_qid_v {
+	struct {
+		u32 qid_v : 1;
+		u32 rsvd0 : 31;
+	} field;
+	u32 val;
+};
+
+#define DLB2_SYS_LDB_CQ_AI_DATA(x) \
+	(0x10000fa8 + (x) * 0x1000)
+#define DLB2_SYS_LDB_CQ_AI_DATA_RST 0x0
+union dlb2_sys_ldb_cq_ai_data {
+	struct {
+		u32 cq_ai_data : 32;
+	} field;
+	u32 val;
+};
+
+#define DLB2_SYS_LDB_CQ_AI_ADDR(x) \
+	(0x10000fa4 + (x) * 0x1000)
+#define DLB2_SYS_LDB_CQ_AI_ADDR_RST 0x0
+union dlb2_sys_ldb_cq_ai_addr {
+	struct {
+		u32 rsvd1 : 2;
+		u32 cq_ai_addr : 18;
+		u32 rsvd0 : 12;
+	} field;
+	u32 val;
+};
+
+#define DLB2_SYS_LDB_CQ_PASID(x) \
+	(0x10000fa0 + (x) * 0x1000)
+#define DLB2_SYS_LDB_CQ_PASID_RST 0x0
+union dlb2_sys_ldb_cq_pasid {
+	struct {
+		u32 pasid : 20;
+		u32 exe_req : 1;
+		u32 priv_req : 1;
+		u32 fmt2 : 1;
+		u32 rsvd0 : 9;
+	} field;
+	u32 val;
+};
+
+#define DLB2_SYS_LDB_CQ_AT(x) \
+	(0x10000f9c + (x) * 0x1000)
+#define DLB2_SYS_LDB_CQ_AT_RST 0x0
+union dlb2_sys_ldb_cq_at {
+	struct {
+		u32 cq_at : 2;
+		u32 rsvd0 : 30;
+	} field;
+	u32 val;
+};
+
+#define DLB2_SYS_LDB_CQ_ISR(x) \
+	(0x10000f98 + (x) * 0x1000)
+#define DLB2_SYS_LDB_CQ_ISR_RST 0x0
+/* CQ Interrupt Modes */
+#define DLB2_CQ_ISR_MODE_DIS  0
+#define DLB2_CQ_ISR_MODE_MSI  1
+#define DLB2_CQ_ISR_MODE_MSIX 2
+#define DLB2_CQ_ISR_MODE_ADI  3
+union dlb2_sys_ldb_cq_isr {
+	struct {
+		u32 vector : 6;
+		u32 vf : 4;
+		u32 en_code : 2;
+		u32 rsvd0 : 20;
+	} field;
+	u32 val;
+};
+
+#define DLB2_SYS_LDB_CQ2VF_PF_RO(x) \
+	(0x10000f94 + (x) * 0x1000)
+#define DLB2_SYS_LDB_CQ2VF_PF_RO_RST 0x0
+union dlb2_sys_ldb_cq2vf_pf_ro {
+	struct {
+		u32 vf : 4;
+		u32 is_pf : 1;
+		u32 ro : 1;
+		u32 rsvd0 : 26;
+	} field;
+	u32 val;
+};
+
+#define DLB2_SYS_LDB_PP_V(x) \
+	(0x10000f90 + (x) * 0x1000)
+#define DLB2_SYS_LDB_PP_V_RST 0x0
+union dlb2_sys_ldb_pp_v {
+	struct {
+		u32 pp_v : 1;
+		u32 rsvd0 : 31;
+	} field;
+	u32 val;
+};
+
+#define DLB2_SYS_LDB_PP2VDEV(x) \
+	(0x10000f8c + (x) * 0x1000)
+#define DLB2_SYS_LDB_PP2VDEV_RST 0x0
+union dlb2_sys_ldb_pp2vdev {
+	struct {
+		u32 vdev : 4;
+		u32 rsvd0 : 28;
+	} field;
+	u32 val;
+};
+
+#define DLB2_SYS_LDB_PP2VAS(x) \
+	(0x10000f88 + (x) * 0x1000)
+#define DLB2_SYS_LDB_PP2VAS_RST 0x0
+union dlb2_sys_ldb_pp2vas {
+	struct {
+		u32 vas : 5;
+		u32 rsvd0 : 27;
+	} field;
+	u32 val;
+};
+
+#define DLB2_SYS_LDB_CQ_ADDR_U(x) \
+	(0x10000f84 + (x) * 0x1000)
+#define DLB2_SYS_LDB_CQ_ADDR_U_RST 0x0
+union dlb2_sys_ldb_cq_addr_u {
+	struct {
+		u32 addr_u : 32;
+	} field;
+	u32 val;
+};
+
+#define DLB2_SYS_LDB_CQ_ADDR_L(x) \
+	(0x10000f80 + (x) * 0x1000)
+#define DLB2_SYS_LDB_CQ_ADDR_L_RST 0x0
+union dlb2_sys_ldb_cq_addr_l {
+	struct {
+		u32 rsvd0 : 6;
+		u32 addr_l : 26;
+	} field;
+	u32 val;
+};
+
+#define DLB2_SYS_DIR_CQ_FMT(x) \
+	(0x10000fec + (x) * 0x1000)
+#define DLB2_SYS_DIR_CQ_FMT_RST 0x0
+union dlb2_sys_dir_cq_fmt {
+	struct {
+		u32 keep_pf_ppid : 1;
+		u32 rsvd0 : 31;
+	} field;
+	u32 val;
+};
+
+#define DLB2_SYS_DIR_CQ_AI_DATA(x) \
+	(0x10000fe8 + (x) * 0x1000)
+#define DLB2_SYS_DIR_CQ_AI_DATA_RST 0x0
+union dlb2_sys_dir_cq_ai_data {
+	struct {
+		u32 cq_ai_data : 32;
+	} field;
+	u32 val;
+};
+
+#define DLB2_SYS_DIR_CQ_AI_ADDR(x) \
+	(0x10000fe4 + (x) * 0x1000)
+#define DLB2_SYS_DIR_CQ_AI_ADDR_RST 0x0
+union dlb2_sys_dir_cq_ai_addr {
+	struct {
+		u32 rsvd1 : 2;
+		u32 cq_ai_addr : 18;
+		u32 rsvd0 : 12;
+	} field;
+	u32 val;
+};
+
+#define DLB2_SYS_DIR_CQ_PASID(x) \
+	(0x10000fe0 + (x) * 0x1000)
+#define DLB2_SYS_DIR_CQ_PASID_RST 0x0
+union dlb2_sys_dir_cq_pasid {
+	struct {
+		u32 pasid : 20;
+		u32 exe_req : 1;
+		u32 priv_req : 1;
+		u32 fmt2 : 1;
+		u32 rsvd0 : 9;
+	} field;
+	u32 val;
+};
+
+#define DLB2_SYS_DIR_CQ_AT(x) \
+	(0x10000fdc + (x) * 0x1000)
+#define DLB2_SYS_DIR_CQ_AT_RST 0x0
+union dlb2_sys_dir_cq_at {
+	struct {
+		u32 cq_at : 2;
+		u32 rsvd0 : 30;
+	} field;
+	u32 val;
+};
+
+#define DLB2_SYS_DIR_CQ_ISR(x) \
+	(0x10000fd8 + (x) * 0x1000)
+#define DLB2_SYS_DIR_CQ_ISR_RST 0x0
+union dlb2_sys_dir_cq_isr {
+	struct {
+		u32 vector : 6;
+		u32 vf : 4;
+		u32 en_code : 2;
+		u32 rsvd0 : 20;
+	} field;
+	u32 val;
+};
+
+#define DLB2_SYS_DIR_CQ2VF_PF_RO(x) \
+	(0x10000fd4 + (x) * 0x1000)
+#define DLB2_SYS_DIR_CQ2VF_PF_RO_RST 0x0
+union dlb2_sys_dir_cq2vf_pf_ro {
+	struct {
+		u32 vf : 4;
+		u32 is_pf : 1;
+		u32 ro : 1;
+		u32 rsvd0 : 26;
+	} field;
+	u32 val;
+};
+
+#define DLB2_SYS_DIR_PP_V(x) \
+	(0x10000fd0 + (x) * 0x1000)
+#define DLB2_SYS_DIR_PP_V_RST 0x0
+union dlb2_sys_dir_pp_v {
+	struct {
+		u32 pp_v : 1;
+		u32 rsvd0 : 31;
+	} field;
+	u32 val;
+};
+
+#define DLB2_SYS_DIR_PP2VDEV(x) \
+	(0x10000fcc + (x) * 0x1000)
+#define DLB2_SYS_DIR_PP2VDEV_RST 0x0
+union dlb2_sys_dir_pp2vdev {
+	struct {
+		u32 vdev : 4;
+		u32 rsvd0 : 28;
+	} field;
+	u32 val;
+};
+
+#define DLB2_SYS_DIR_PP2VAS(x) \
+	(0x10000fc8 + (x) * 0x1000)
+#define DLB2_SYS_DIR_PP2VAS_RST 0x0
+union dlb2_sys_dir_pp2vas {
+	struct {
+		u32 vas : 5;
+		u32 rsvd0 : 27;
+	} field;
+	u32 val;
+};
+
+#define DLB2_SYS_DIR_CQ_ADDR_U(x) \
+	(0x10000fc4 + (x) * 0x1000)
+#define DLB2_SYS_DIR_CQ_ADDR_U_RST 0x0
+union dlb2_sys_dir_cq_addr_u {
+	struct {
+		u32 addr_u : 32;
+	} field;
+	u32 val;
+};
+
+#define DLB2_SYS_DIR_CQ_ADDR_L(x) \
+	(0x10000fc0 + (x) * 0x1000)
+#define DLB2_SYS_DIR_CQ_ADDR_L_RST 0x0
+union dlb2_sys_dir_cq_addr_l {
+	struct {
+		u32 rsvd0 : 6;
+		u32 addr_l : 26;
+	} field;
+	u32 val;
+};
+
+#define DLB2_SYS_INGRESS_ALARM_ENBL 0x10000300
+#define DLB2_SYS_INGRESS_ALARM_ENBL_RST 0x0
+union dlb2_sys_ingress_alarm_enbl {
+	struct {
+		u32 illegal_hcw : 1;
+		u32 illegal_pp : 1;
+		u32 illegal_pasid : 1;
+		u32 illegal_qid : 1;
+		u32 disabled_qid : 1;
+		u32 illegal_ldb_qid_cfg : 1;
+		u32 rsvd0 : 26;
+	} field;
+	u32 val;
+};
+
+#define DLB2_SYS_MSIX_ACK 0x10000400
+#define DLB2_SYS_MSIX_ACK_RST 0x0
+union dlb2_sys_msix_ack {
+	struct {
+		u32 msix_0_ack : 1;
+		u32 msix_1_ack : 1;
+		u32 rsvd0 : 30;
+	} field;
+	u32 val;
+};
+
+#define DLB2_SYS_MSIX_PASSTHRU 0x10000404
+#define DLB2_SYS_MSIX_PASSTHRU_RST 0x0
+union dlb2_sys_msix_passthru {
+	struct {
+		u32 msix_0_passthru : 1;
+		u32 msix_1_passthru : 1;
+		u32 rsvd0 : 30;
+	} field;
+	u32 val;
+};
+
+#define DLB2_SYS_MSIX_MODE 0x10000408
+#define DLB2_SYS_MSIX_MODE_RST 0x0
+/* MSI-X Modes */
+#define DLB2_MSIX_MODE_PACKED     0
+#define DLB2_MSIX_MODE_COMPRESSED 1
+union dlb2_sys_msix_mode {
+	struct {
+		u32 mode : 1;
+		u32 poll_mode : 1;
+		u32 poll_mask : 1;
+		u32 poll_lock : 1;
+		u32 rsvd0 : 28;
+	} field;
+	u32 val;
+};
+
+#define DLB2_SYS_DIR_CQ_31_0_OCC_INT_STS 0x10000440
+#define DLB2_SYS_DIR_CQ_31_0_OCC_INT_STS_RST 0x0
+union dlb2_sys_dir_cq_31_0_occ_int_sts {
+	struct {
+		u32 cq_0_occ_int : 1;
+		u32 cq_1_occ_int : 1;
+		u32 cq_2_occ_int : 1;
+		u32 cq_3_occ_int : 1;
+		u32 cq_4_occ_int : 1;
+		u32 cq_5_occ_int : 1;
+		u32 cq_6_occ_int : 1;
+		u32 cq_7_occ_int : 1;
+		u32 cq_8_occ_int : 1;
+		u32 cq_9_occ_int : 1;
+		u32 cq_10_occ_int : 1;
+		u32 cq_11_occ_int : 1;
+		u32 cq_12_occ_int : 1;
+		u32 cq_13_occ_int : 1;
+		u32 cq_14_occ_int : 1;
+		u32 cq_15_occ_int : 1;
+		u32 cq_16_occ_int : 1;
+		u32 cq_17_occ_int : 1;
+		u32 cq_18_occ_int : 1;
+		u32 cq_19_occ_int : 1;
+		u32 cq_20_occ_int : 1;
+		u32 cq_21_occ_int : 1;
+		u32 cq_22_occ_int : 1;
+		u32 cq_23_occ_int : 1;
+		u32 cq_24_occ_int : 1;
+		u32 cq_25_occ_int : 1;
+		u32 cq_26_occ_int : 1;
+		u32 cq_27_occ_int : 1;
+		u32 cq_28_occ_int : 1;
+		u32 cq_29_occ_int : 1;
+		u32 cq_30_occ_int : 1;
+		u32 cq_31_occ_int : 1;
+	} field;
+	u32 val;
+};
+
+#define DLB2_SYS_DIR_CQ_63_32_OCC_INT_STS 0x10000444
+#define DLB2_SYS_DIR_CQ_63_32_OCC_INT_STS_RST 0x0
+union dlb2_sys_dir_cq_63_32_occ_int_sts {
+	struct {
+		u32 cq_32_occ_int : 1;
+		u32 cq_33_occ_int : 1;
+		u32 cq_34_occ_int : 1;
+		u32 cq_35_occ_int : 1;
+		u32 cq_36_occ_int : 1;
+		u32 cq_37_occ_int : 1;
+		u32 cq_38_occ_int : 1;
+		u32 cq_39_occ_int : 1;
+		u32 cq_40_occ_int : 1;
+		u32 cq_41_occ_int : 1;
+		u32 cq_42_occ_int : 1;
+		u32 cq_43_occ_int : 1;
+		u32 cq_44_occ_int : 1;
+		u32 cq_45_occ_int : 1;
+		u32 cq_46_occ_int : 1;
+		u32 cq_47_occ_int : 1;
+		u32 cq_48_occ_int : 1;
+		u32 cq_49_occ_int : 1;
+		u32 cq_50_occ_int : 1;
+		u32 cq_51_occ_int : 1;
+		u32 cq_52_occ_int : 1;
+		u32 cq_53_occ_int : 1;
+		u32 cq_54_occ_int : 1;
+		u32 cq_55_occ_int : 1;
+		u32 cq_56_occ_int : 1;
+		u32 cq_57_occ_int : 1;
+		u32 cq_58_occ_int : 1;
+		u32 cq_59_occ_int : 1;
+		u32 cq_60_occ_int : 1;
+		u32 cq_61_occ_int : 1;
+		u32 cq_62_occ_int : 1;
+		u32 cq_63_occ_int : 1;
+	} field;
+	u32 val;
+};
+
+#define DLB2_SYS_LDB_CQ_31_0_OCC_INT_STS 0x10000460
+#define DLB2_SYS_LDB_CQ_31_0_OCC_INT_STS_RST 0x0
+union dlb2_sys_ldb_cq_31_0_occ_int_sts {
+	struct {
+		u32 cq_0_occ_int : 1;
+		u32 cq_1_occ_int : 1;
+		u32 cq_2_occ_int : 1;
+		u32 cq_3_occ_int : 1;
+		u32 cq_4_occ_int : 1;
+		u32 cq_5_occ_int : 1;
+		u32 cq_6_occ_int : 1;
+		u32 cq_7_occ_int : 1;
+		u32 cq_8_occ_int : 1;
+		u32 cq_9_occ_int : 1;
+		u32 cq_10_occ_int : 1;
+		u32 cq_11_occ_int : 1;
+		u32 cq_12_occ_int : 1;
+		u32 cq_13_occ_int : 1;
+		u32 cq_14_occ_int : 1;
+		u32 cq_15_occ_int : 1;
+		u32 cq_16_occ_int : 1;
+		u32 cq_17_occ_int : 1;
+		u32 cq_18_occ_int : 1;
+		u32 cq_19_occ_int : 1;
+		u32 cq_20_occ_int : 1;
+		u32 cq_21_occ_int : 1;
+		u32 cq_22_occ_int : 1;
+		u32 cq_23_occ_int : 1;
+		u32 cq_24_occ_int : 1;
+		u32 cq_25_occ_int : 1;
+		u32 cq_26_occ_int : 1;
+		u32 cq_27_occ_int : 1;
+		u32 cq_28_occ_int : 1;
+		u32 cq_29_occ_int : 1;
+		u32 cq_30_occ_int : 1;
+		u32 cq_31_occ_int : 1;
+	} field;
+	u32 val;
+};
+
+#define DLB2_SYS_LDB_CQ_63_32_OCC_INT_STS 0x10000464
+#define DLB2_SYS_LDB_CQ_63_32_OCC_INT_STS_RST 0x0
+union dlb2_sys_ldb_cq_63_32_occ_int_sts {
+	struct {
+		u32 cq_32_occ_int : 1;
+		u32 cq_33_occ_int : 1;
+		u32 cq_34_occ_int : 1;
+		u32 cq_35_occ_int : 1;
+		u32 cq_36_occ_int : 1;
+		u32 cq_37_occ_int : 1;
+		u32 cq_38_occ_int : 1;
+		u32 cq_39_occ_int : 1;
+		u32 cq_40_occ_int : 1;
+		u32 cq_41_occ_int : 1;
+		u32 cq_42_occ_int : 1;
+		u32 cq_43_occ_int : 1;
+		u32 cq_44_occ_int : 1;
+		u32 cq_45_occ_int : 1;
+		u32 cq_46_occ_int : 1;
+		u32 cq_47_occ_int : 1;
+		u32 cq_48_occ_int : 1;
+		u32 cq_49_occ_int : 1;
+		u32 cq_50_occ_int : 1;
+		u32 cq_51_occ_int : 1;
+		u32 cq_52_occ_int : 1;
+		u32 cq_53_occ_int : 1;
+		u32 cq_54_occ_int : 1;
+		u32 cq_55_occ_int : 1;
+		u32 cq_56_occ_int : 1;
+		u32 cq_57_occ_int : 1;
+		u32 cq_58_occ_int : 1;
+		u32 cq_59_occ_int : 1;
+		u32 cq_60_occ_int : 1;
+		u32 cq_61_occ_int : 1;
+		u32 cq_62_occ_int : 1;
+		u32 cq_63_occ_int : 1;
+	} field;
+	u32 val;
+};
+
+#define DLB2_SYS_DIR_CQ_OPT_CLR 0x100004c0
+#define DLB2_SYS_DIR_CQ_OPT_CLR_RST 0x0
+union dlb2_sys_dir_cq_opt_clr {
+	struct {
+		u32 cq : 6;
+		u32 rsvd0 : 26;
+	} field;
+	u32 val;
+};
+
+#define DLB2_SYS_ALARM_HW_SYND 0x1000050c
+#define DLB2_SYS_ALARM_HW_SYND_RST 0x0
+union dlb2_sys_alarm_hw_synd {
+	struct {
+		u32 syndrome : 8;
+		u32 rtype : 2;
+		u32 alarm : 1;
+		u32 cwd : 1;
+		u32 vf_pf_mb : 1;
+		u32 rsvd0 : 1;
+		u32 cls : 2;
+		u32 aid : 6;
+		u32 unit : 4;
+		u32 source : 4;
+		u32 more : 1;
+		u32 valid : 1;
+	} field;
+	u32 val;
+};
+
+#define DLB2_AQED_PIPE_QID_FID_LIM(x) \
+	(0x20000000 + (x) * 0x1000)
+#define DLB2_AQED_PIPE_QID_FID_LIM_RST 0x7ff
+union dlb2_aqed_pipe_qid_fid_lim {
+	struct {
+		u32 qid_fid_limit : 13;
+		u32 rsvd0 : 19;
+	} field;
+	u32 val;
+};
+
+#define DLB2_AQED_PIPE_QID_HID_WIDTH(x) \
+	(0x20080000 + (x) * 0x1000)
+#define DLB2_AQED_PIPE_QID_HID_WIDTH_RST 0x0
+union dlb2_aqed_pipe_qid_hid_width {
+	struct {
+		u32 compress_code : 3;
+		u32 rsvd0 : 29;
+	} field;
+	u32 val;
+};
+
+#define DLB2_AQED_PIPE_CFG_ARB_WEIGHTS_TQPRI_ATM_0 0x24000004
+#define DLB2_AQED_PIPE_CFG_ARB_WEIGHTS_TQPRI_ATM_0_RST 0xfefcfaf8
+union dlb2_aqed_pipe_cfg_arb_weights_tqpri_atm_0 {
+	struct {
+		u32 pri0 : 8;
+		u32 pri1 : 8;
+		u32 pri2 : 8;
+		u32 pri3 : 8;
+	} field;
+	u32 val;
+};
+
+#define DLB2_ATM_QID2CQIDIX_00(x) \
+	(0x30080000 + (x) * 0x1000)
+#define DLB2_ATM_QID2CQIDIX_00_RST 0x0
+#define DLB2_ATM_QID2CQIDIX(x, y) \
+	(DLB2_ATM_QID2CQIDIX_00(x) + 0x80000 * (y))
+#define DLB2_ATM_QID2CQIDIX_NUM 16
+union dlb2_atm_qid2cqidix_00 {
+	struct {
+		u32 cq_p0 : 8;
+		u32 cq_p1 : 8;
+		u32 cq_p2 : 8;
+		u32 cq_p3 : 8;
+	} field;
+	u32 val;
+};
+
+#define DLB2_ATM_CFG_ARB_WEIGHTS_RDY_BIN 0x34000004
+#define DLB2_ATM_CFG_ARB_WEIGHTS_RDY_BIN_RST 0xfffefdfc
+union dlb2_atm_cfg_arb_weights_rdy_bin {
+	struct {
+		u32 bin0 : 8;
+		u32 bin1 : 8;
+		u32 bin2 : 8;
+		u32 bin3 : 8;
+	} field;
+	u32 val;
+};
+
+#define DLB2_ATM_CFG_ARB_WEIGHTS_SCHED_BIN 0x34000008
+#define DLB2_ATM_CFG_ARB_WEIGHTS_SCHED_BIN_RST 0xfffefdfc
+union dlb2_atm_cfg_arb_weights_sched_bin {
+	struct {
+		u32 bin0 : 8;
+		u32 bin1 : 8;
+		u32 bin2 : 8;
+		u32 bin3 : 8;
+	} field;
+	u32 val;
+};
+
+#define DLB2_CHP_CFG_DIR_VAS_CRD(x) \
+	(0x40000000 + (x) * 0x1000)
+#define DLB2_CHP_CFG_DIR_VAS_CRD_RST 0x0
+union dlb2_chp_cfg_dir_vas_crd {
+	struct {
+		u32 count : 14;
+		u32 rsvd0 : 18;
+	} field;
+	u32 val;
+};
+
+#define DLB2_CHP_CFG_LDB_VAS_CRD(x) \
+	(0x40080000 + (x) * 0x1000)
+#define DLB2_CHP_CFG_LDB_VAS_CRD_RST 0x0
+union dlb2_chp_cfg_ldb_vas_crd {
+	struct {
+		u32 count : 15;
+		u32 rsvd0 : 17;
+	} field;
+	u32 val;
+};
+
+#define DLB2_CHP_ORD_QID_SN(x) \
+	(0x40100000 + (x) * 0x1000)
+#define DLB2_CHP_ORD_QID_SN_RST 0x0
+union dlb2_chp_ord_qid_sn {
+	struct {
+		u32 sn : 10;
+		u32 rsvd0 : 22;
+	} field;
+	u32 val;
+};
+
+#define DLB2_CHP_ORD_QID_SN_MAP(x) \
+	(0x40180000 + (x) * 0x1000)
+#define DLB2_CHP_ORD_QID_SN_MAP_RST 0x0
+union dlb2_chp_ord_qid_sn_map {
+	struct {
+		u32 mode : 3;
+		u32 slot : 4;
+		u32 rsvz0 : 1;
+		u32 grp : 1;
+		u32 rsvz1 : 1;
+		u32 rsvd0 : 22;
+	} field;
+	u32 val;
+};
+
+#define DLB2_CHP_SN_CHK_ENBL(x) \
+	(0x40200000 + (x) * 0x1000)
+#define DLB2_CHP_SN_CHK_ENBL_RST 0x0
+union dlb2_chp_sn_chk_enbl {
+	struct {
+		u32 en : 1;
+		u32 rsvd0 : 31;
+	} field;
+	u32 val;
+};
+
+#define DLB2_CHP_DIR_CQ_DEPTH(x) \
+	(0x40280000 + (x) * 0x1000)
+#define DLB2_CHP_DIR_CQ_DEPTH_RST 0x0
+union dlb2_chp_dir_cq_depth {
+	struct {
+		u32 depth : 13;
+		u32 rsvd0 : 19;
+	} field;
+	u32 val;
+};
+
+#define DLB2_CHP_DIR_CQ_INT_DEPTH_THRSH(x) \
+	(0x40300000 + (x) * 0x1000)
+#define DLB2_CHP_DIR_CQ_INT_DEPTH_THRSH_RST 0x0
+union dlb2_chp_dir_cq_int_depth_thrsh {
+	struct {
+		u32 depth_threshold : 13;
+		u32 rsvd0 : 19;
+	} field;
+	u32 val;
+};
+
+#define DLB2_CHP_DIR_CQ_INT_ENB(x) \
+	(0x40380000 + (x) * 0x1000)
+#define DLB2_CHP_DIR_CQ_INT_ENB_RST 0x0
+union dlb2_chp_dir_cq_int_enb {
+	struct {
+		u32 en_tim : 1;
+		u32 en_depth : 1;
+		u32 rsvd0 : 30;
+	} field;
+	u32 val;
+};
+
+#define DLB2_CHP_DIR_CQ_TMR_THRSH(x) \
+	(0x40480000 + (x) * 0x1000)
+#define DLB2_CHP_DIR_CQ_TMR_THRSH_RST 0x1
+union dlb2_chp_dir_cq_tmr_thrsh {
+	struct {
+		u32 thrsh_0 : 1;
+		u32 thrsh_13_1 : 13;
+		u32 rsvd0 : 18;
+	} field;
+	u32 val;
+};
+
+#define DLB2_CHP_DIR_CQ_TKN_DEPTH_SEL(x) \
+	(0x40500000 + (x) * 0x1000)
+#define DLB2_CHP_DIR_CQ_TKN_DEPTH_SEL_RST 0x0
+union dlb2_chp_dir_cq_tkn_depth_sel {
+	struct {
+		u32 token_depth_select : 4;
+		u32 rsvd0 : 28;
+	} field;
+	u32 val;
+};
+
+#define DLB2_CHP_DIR_CQ_WD_ENB(x) \
+	(0x40580000 + (x) * 0x1000)
+#define DLB2_CHP_DIR_CQ_WD_ENB_RST 0x0
+union dlb2_chp_dir_cq_wd_enb {
+	struct {
+		u32 wd_enable : 1;
+		u32 rsvd0 : 31;
+	} field;
+	u32 val;
+};
+
+#define DLB2_CHP_DIR_CQ_WPTR(x) \
+	(0x40600000 + (x) * 0x1000)
+#define DLB2_CHP_DIR_CQ_WPTR_RST 0x0
+union dlb2_chp_dir_cq_wptr {
+	struct {
+		u32 write_pointer : 13;
+		u32 rsvd0 : 19;
+	} field;
+	u32 val;
+};
+
+#define DLB2_CHP_DIR_CQ2VAS(x) \
+	(0x40680000 + (x) * 0x1000)
+#define DLB2_CHP_DIR_CQ2VAS_RST 0x0
+union dlb2_chp_dir_cq2vas {
+	struct {
+		u32 cq2vas : 5;
+		u32 rsvd0 : 27;
+	} field;
+	u32 val;
+};
+
+#define DLB2_CHP_HIST_LIST_BASE(x) \
+	(0x40700000 + (x) * 0x1000)
+#define DLB2_CHP_HIST_LIST_BASE_RST 0x0
+union dlb2_chp_hist_list_base {
+	struct {
+		u32 base : 13;
+		u32 rsvd0 : 19;
+	} field;
+	u32 val;
+};
+
+#define DLB2_CHP_HIST_LIST_LIM(x) \
+	(0x40780000 + (x) * 0x1000)
+#define DLB2_CHP_HIST_LIST_LIM_RST 0x0
+union dlb2_chp_hist_list_lim {
+	struct {
+		u32 limit : 13;
+		u32 rsvd0 : 19;
+	} field;
+	u32 val;
+};
+
+#define DLB2_CHP_HIST_LIST_POP_PTR(x) \
+	(0x40800000 + (x) * 0x1000)
+#define DLB2_CHP_HIST_LIST_POP_PTR_RST 0x0
+union dlb2_chp_hist_list_pop_ptr {
+	struct {
+		u32 pop_ptr : 13;
+		u32 generation : 1;
+		u32 rsvd0 : 18;
+	} field;
+	u32 val;
+};
+
+#define DLB2_CHP_HIST_LIST_PUSH_PTR(x) \
+	(0x40880000 + (x) * 0x1000)
+#define DLB2_CHP_HIST_LIST_PUSH_PTR_RST 0x0
+union dlb2_chp_hist_list_push_ptr {
+	struct {
+		u32 push_ptr : 13;
+		u32 generation : 1;
+		u32 rsvd0 : 18;
+	} field;
+	u32 val;
+};
+
+#define DLB2_CHP_LDB_CQ_DEPTH(x) \
+	(0x40900000 + (x) * 0x1000)
+#define DLB2_CHP_LDB_CQ_DEPTH_RST 0x0
+union dlb2_chp_ldb_cq_depth {
+	struct {
+		u32 depth : 11;
+		u32 rsvd0 : 21;
+	} field;
+	u32 val;
+};
+
+#define DLB2_CHP_LDB_CQ_INT_DEPTH_THRSH(x) \
+	(0x40980000 + (x) * 0x1000)
+#define DLB2_CHP_LDB_CQ_INT_DEPTH_THRSH_RST 0x0
+union dlb2_chp_ldb_cq_int_depth_thrsh {
+	struct {
+		u32 depth_threshold : 11;
+		u32 rsvd0 : 21;
+	} field;
+	u32 val;
+};
+
+#define DLB2_CHP_LDB_CQ_INT_ENB(x) \
+	(0x40a00000 + (x) * 0x1000)
+#define DLB2_CHP_LDB_CQ_INT_ENB_RST 0x0
+union dlb2_chp_ldb_cq_int_enb {
+	struct {
+		u32 en_tim : 1;
+		u32 en_depth : 1;
+		u32 rsvd0 : 30;
+	} field;
+	u32 val;
+};
+
+#define DLB2_CHP_LDB_CQ_TMR_THRSH(x) \
+	(0x40b00000 + (x) * 0x1000)
+#define DLB2_CHP_LDB_CQ_TMR_THRSH_RST 0x1
+union dlb2_chp_ldb_cq_tmr_thrsh {
+	struct {
+		u32 thrsh_0 : 1;
+		u32 thrsh_13_1 : 13;
+		u32 rsvd0 : 18;
+	} field;
+	u32 val;
+};
+
+#define DLB2_CHP_LDB_CQ_TKN_DEPTH_SEL(x) \
+	(0x40b80000 + (x) * 0x1000)
+#define DLB2_CHP_LDB_CQ_TKN_DEPTH_SEL_RST 0x0
+union dlb2_chp_ldb_cq_tkn_depth_sel {
+	struct {
+		u32 token_depth_select : 4;
+		u32 rsvd0 : 28;
+	} field;
+	u32 val;
+};
+
+#define DLB2_CHP_LDB_CQ_WD_ENB(x) \
+	(0x40c00000 + (x) * 0x1000)
+#define DLB2_CHP_LDB_CQ_WD_ENB_RST 0x0
+union dlb2_chp_ldb_cq_wd_enb {
+	struct {
+		u32 wd_enable : 1;
+		u32 rsvd0 : 31;
+	} field;
+	u32 val;
+};
+
+#define DLB2_CHP_LDB_CQ_WPTR(x) \
+	(0x40c80000 + (x) * 0x1000)
+#define DLB2_CHP_LDB_CQ_WPTR_RST 0x0
+union dlb2_chp_ldb_cq_wptr {
+	struct {
+		u32 write_pointer : 11;
+		u32 rsvd0 : 21;
+	} field;
+	u32 val;
+};
+
+#define DLB2_CHP_LDB_CQ2VAS(x) \
+	(0x40d00000 + (x) * 0x1000)
+#define DLB2_CHP_LDB_CQ2VAS_RST 0x0
+union dlb2_chp_ldb_cq2vas {
+	struct {
+		u32 cq2vas : 5;
+		u32 rsvd0 : 27;
+	} field;
+	u32 val;
+};
+
+#define DLB2_CHP_CFG_CHP_CSR_CTRL 0x44000008
+#define DLB2_CHP_CFG_CHP_CSR_CTRL_RST 0x180002
+union dlb2_chp_cfg_chp_csr_ctrl {
+	struct {
+		u32 int_cor_alarm_dis : 1;
+		u32 int_cor_synd_dis : 1;
+		u32 int_uncr_alarm_dis : 1;
+		u32 int_unc_synd_dis : 1;
+		u32 int_inf0_alarm_dis : 1;
+		u32 int_inf0_synd_dis : 1;
+		u32 int_inf1_alarm_dis : 1;
+		u32 int_inf1_synd_dis : 1;
+		u32 int_inf2_alarm_dis : 1;
+		u32 int_inf2_synd_dis : 1;
+		u32 int_inf3_alarm_dis : 1;
+		u32 int_inf3_synd_dis : 1;
+		u32 int_inf4_alarm_dis : 1;
+		u32 int_inf4_synd_dis : 1;
+		u32 int_inf5_alarm_dis : 1;
+		u32 int_inf5_synd_dis : 1;
+		u32 dlb_cor_alarm_enable : 1;
+		u32 cfg_64bytes_qe_ldb_cq_mode : 1;
+		u32 cfg_64bytes_qe_dir_cq_mode : 1;
+		u32 pad_write_ldb : 1;
+		u32 pad_write_dir : 1;
+		u32 pad_first_write_ldb : 1;
+		u32 pad_first_write_dir : 1;
+		u32 rsvz0 : 9;
+	} field;
+	u32 val;
+};
+
+#define DLB2_CHP_DIR_CQ_INTR_ARMED0 0x4400005c
+#define DLB2_CHP_DIR_CQ_INTR_ARMED0_RST 0x0
+union dlb2_chp_dir_cq_intr_armed0 {
+	struct {
+		u32 armed : 32;
+	} field;
+	u32 val;
+};
+
+#define DLB2_CHP_DIR_CQ_INTR_ARMED1 0x44000060
+#define DLB2_CHP_DIR_CQ_INTR_ARMED1_RST 0x0
+union dlb2_chp_dir_cq_intr_armed1 {
+	struct {
+		u32 armed : 32;
+	} field;
+	u32 val;
+};
+
+#define DLB2_CHP_CFG_DIR_CQ_TIMER_CTL 0x44000084
+#define DLB2_CHP_CFG_DIR_CQ_TIMER_CTL_RST 0x0
+union dlb2_chp_cfg_dir_cq_timer_ctl {
+	struct {
+		u32 sample_interval : 8;
+		u32 enb : 1;
+		u32 rsvz0 : 23;
+	} field;
+	u32 val;
+};
+
+#define DLB2_CHP_CFG_DIR_WDTO_0 0x44000088
+#define DLB2_CHP_CFG_DIR_WDTO_0_RST 0x0
+union dlb2_chp_cfg_dir_wdto_0 {
+	struct {
+		u32 wdto : 32;
+	} field;
+	u32 val;
+};
+
+#define DLB2_CHP_CFG_DIR_WDTO_1 0x4400008c
+#define DLB2_CHP_CFG_DIR_WDTO_1_RST 0x0
+union dlb2_chp_cfg_dir_wdto_1 {
+	struct {
+		u32 wdto : 32;
+	} field;
+	u32 val;
+};
+
+#define DLB2_CHP_CFG_DIR_WD_DISABLE0 0x44000098
+#define DLB2_CHP_CFG_DIR_WD_DISABLE0_RST 0xffffffff
+union dlb2_chp_cfg_dir_wd_disable0 {
+	struct {
+		u32 wd_disable : 32;
+	} field;
+	u32 val;
+};
+
+#define DLB2_CHP_CFG_DIR_WD_DISABLE1 0x4400009c
+#define DLB2_CHP_CFG_DIR_WD_DISABLE1_RST 0xffffffff
+union dlb2_chp_cfg_dir_wd_disable1 {
+	struct {
+		u32 wd_disable : 32;
+	} field;
+	u32 val;
+};
+
+#define DLB2_CHP_CFG_DIR_WD_ENB_INTERVAL 0x440000a0
+#define DLB2_CHP_CFG_DIR_WD_ENB_INTERVAL_RST 0x0
+union dlb2_chp_cfg_dir_wd_enb_interval {
+	struct {
+		u32 sample_interval : 28;
+		u32 enb : 1;
+		u32 rsvz0 : 3;
+	} field;
+	u32 val;
+};
+
+#define DLB2_CHP_CFG_DIR_WD_THRESHOLD 0x440000ac
+#define DLB2_CHP_CFG_DIR_WD_THRESHOLD_RST 0x0
+union dlb2_chp_cfg_dir_wd_threshold {
+	struct {
+		u32 wd_threshold : 8;
+		u32 rsvz0 : 24;
+	} field;
+	u32 val;
+};
+
+#define DLB2_CHP_LDB_CQ_INTR_ARMED0 0x440000b0
+#define DLB2_CHP_LDB_CQ_INTR_ARMED0_RST 0x0
+union dlb2_chp_ldb_cq_intr_armed0 {
+	struct {
+		u32 armed : 32;
+	} field;
+	u32 val;
+};
+
+#define DLB2_CHP_LDB_CQ_INTR_ARMED1 0x440000b4
+#define DLB2_CHP_LDB_CQ_INTR_ARMED1_RST 0x0
+union dlb2_chp_ldb_cq_intr_armed1 {
+	struct {
+		u32 armed : 32;
+	} field;
+	u32 val;
+};
+
+#define DLB2_CHP_CFG_LDB_CQ_TIMER_CTL 0x440000d8
+#define DLB2_CHP_CFG_LDB_CQ_TIMER_CTL_RST 0x0
+union dlb2_chp_cfg_ldb_cq_timer_ctl {
+	struct {
+		u32 sample_interval : 8;
+		u32 enb : 1;
+		u32 rsvz0 : 23;
+	} field;
+	u32 val;
+};
+
+#define DLB2_CHP_CFG_LDB_WDTO_0 0x440000dc
+#define DLB2_CHP_CFG_LDB_WDTO_0_RST 0x0
+union dlb2_chp_cfg_ldb_wdto_0 {
+	struct {
+		u32 wdto : 32;
+	} field;
+	u32 val;
+};
+
+#define DLB2_CHP_CFG_LDB_WDTO_1 0x440000e0
+#define DLB2_CHP_CFG_LDB_WDTO_1_RST 0x0
+union dlb2_chp_cfg_ldb_wdto_1 {
+	struct {
+		u32 wdto : 32;
+	} field;
+	u32 val;
+};
+
+#define DLB2_CHP_CFG_LDB_WD_DISABLE0 0x440000ec
+#define DLB2_CHP_CFG_LDB_WD_DISABLE0_RST 0xffffffff
+union dlb2_chp_cfg_ldb_wd_disable0 {
+	struct {
+		u32 wd_disable : 32;
+	} field;
+	u32 val;
+};
+
+#define DLB2_CHP_CFG_LDB_WD_DISABLE1 0x440000f0
+#define DLB2_CHP_CFG_LDB_WD_DISABLE1_RST 0xffffffff
+union dlb2_chp_cfg_ldb_wd_disable1 {
+	struct {
+		u32 wd_disable : 32;
+	} field;
+	u32 val;
+};
+
+#define DLB2_CHP_CFG_LDB_WD_ENB_INTERVAL 0x440000f4
+#define DLB2_CHP_CFG_LDB_WD_ENB_INTERVAL_RST 0x0
+union dlb2_chp_cfg_ldb_wd_enb_interval {
+	struct {
+		u32 sample_interval : 28;
+		u32 enb : 1;
+		u32 rsvz0 : 3;
+	} field;
+	u32 val;
+};
+
+#define DLB2_CHP_CFG_LDB_WD_THRESHOLD 0x44000100
+#define DLB2_CHP_CFG_LDB_WD_THRESHOLD_RST 0x0
+union dlb2_chp_cfg_ldb_wd_threshold {
+	struct {
+		u32 wd_threshold : 8;
+		u32 rsvz0 : 24;
+	} field;
+	u32 val;
+};
+
+#define DLB2_CHP_CTRL_DIAG_02 0x4c000028
+#define DLB2_CHP_CTRL_DIAG_02_RST 0x1555
+union dlb2_chp_ctrl_diag_02 {
+	struct {
+		u32 egress_credit_status_empty : 1;
+		u32 egress_credit_status_afull : 1;
+		u32 chp_outbound_hcw_pipe_credit_status_empty : 1;
+		u32 chp_outbound_hcw_pipe_credit_status_afull : 1;
+		u32 chp_lsp_ap_cmp_pipe_credit_status_empty : 1;
+		u32 chp_lsp_ap_cmp_pipe_credit_status_afull : 1;
+		u32 chp_lsp_tok_pipe_credit_status_empty : 1;
+		u32 chp_lsp_tok_pipe_credit_status_afull : 1;
+		u32 chp_rop_pipe_credit_status_empty : 1;
+		u32 chp_rop_pipe_credit_status_afull : 1;
+		u32 qed_to_cq_pipe_credit_status_empty : 1;
+		u32 qed_to_cq_pipe_credit_status_afull : 1;
+		u32 egress_lsp_token_credit_status_empty : 1;
+		u32 egress_lsp_token_credit_status_afull : 1;
+		u32 rsvd0 : 18;
+	} field;
+	u32 val;
+};
+
+#define DLB2_DP_CFG_ARB_WEIGHTS_TQPRI_DIR_0 0x54000000
+#define DLB2_DP_CFG_ARB_WEIGHTS_TQPRI_DIR_0_RST 0xfefcfaf8
+union dlb2_dp_cfg_arb_weights_tqpri_dir_0 {
+	struct {
+		u32 pri0 : 8;
+		u32 pri1 : 8;
+		u32 pri2 : 8;
+		u32 pri3 : 8;
+	} field;
+	u32 val;
+};
+
+#define DLB2_DP_CFG_ARB_WEIGHTS_TQPRI_DIR_1 0x54000004
+#define DLB2_DP_CFG_ARB_WEIGHTS_TQPRI_DIR_1_RST 0x0
+union dlb2_dp_cfg_arb_weights_tqpri_dir_1 {
+	struct {
+		u32 rsvz0 : 32;
+	} field;
+	u32 val;
+};
+
+#define DLB2_DP_CFG_ARB_WEIGHTS_TQPRI_REPLAY_0 0x54000008
+#define DLB2_DP_CFG_ARB_WEIGHTS_TQPRI_REPLAY_0_RST 0xfefcfaf8
+union dlb2_dp_cfg_arb_weights_tqpri_replay_0 {
+	struct {
+		u32 pri0 : 8;
+		u32 pri1 : 8;
+		u32 pri2 : 8;
+		u32 pri3 : 8;
+	} field;
+	u32 val;
+};
+
+#define DLB2_DP_CFG_ARB_WEIGHTS_TQPRI_REPLAY_1 0x5400000c
+#define DLB2_DP_CFG_ARB_WEIGHTS_TQPRI_REPLAY_1_RST 0x0
+union dlb2_dp_cfg_arb_weights_tqpri_replay_1 {
+	struct {
+		u32 rsvz0 : 32;
+	} field;
+	u32 val;
+};
+
+#define DLB2_DP_DIR_CSR_CTRL 0x54000010
+#define DLB2_DP_DIR_CSR_CTRL_RST 0x0
+union dlb2_dp_dir_csr_ctrl {
+	struct {
+		u32 int_cor_alarm_dis : 1;
+		u32 int_cor_synd_dis : 1;
+		u32 int_uncr_alarm_dis : 1;
+		u32 int_unc_synd_dis : 1;
+		u32 int_inf0_alarm_dis : 1;
+		u32 int_inf0_synd_dis : 1;
+		u32 int_inf1_alarm_dis : 1;
+		u32 int_inf1_synd_dis : 1;
+		u32 int_inf2_alarm_dis : 1;
+		u32 int_inf2_synd_dis : 1;
+		u32 int_inf3_alarm_dis : 1;
+		u32 int_inf3_synd_dis : 1;
+		u32 int_inf4_alarm_dis : 1;
+		u32 int_inf4_synd_dis : 1;
+		u32 int_inf5_alarm_dis : 1;
+		u32 int_inf5_synd_dis : 1;
+		u32 rsvz0 : 16;
+	} field;
+	u32 val;
+};
+
+#define DLB2_NALB_PIPE_CFG_ARB_WEIGHTS_TQPRI_ATQ_0 0x84000000
+#define DLB2_NALB_PIPE_CFG_ARB_WEIGHTS_TQPRI_ATQ_0_RST 0xfefcfaf8
+union dlb2_nalb_pipe_cfg_arb_weights_tqpri_atq_0 {
+	struct {
+		u32 pri0 : 8;
+		u32 pri1 : 8;
+		u32 pri2 : 8;
+		u32 pri3 : 8;
+	} field;
+	u32 val;
+};
+
+#define DLB2_NALB_PIPE_CFG_ARB_WEIGHTS_TQPRI_ATQ_1 0x84000004
+#define DLB2_NALB_PIPE_CFG_ARB_WEIGHTS_TQPRI_ATQ_1_RST 0x0
+union dlb2_nalb_pipe_cfg_arb_weights_tqpri_atq_1 {
+	struct {
+		u32 rsvz0 : 32;
+	} field;
+	u32 val;
+};
+
+#define DLB2_NALB_PIPE_CFG_ARB_WEIGHTS_TQPRI_NALB_0 0x84000008
+#define DLB2_NALB_PIPE_CFG_ARB_WEIGHTS_TQPRI_NALB_0_RST 0xfefcfaf8
+union dlb2_nalb_pipe_cfg_arb_weights_tqpri_nalb_0 {
+	struct {
+		u32 pri0 : 8;
+		u32 pri1 : 8;
+		u32 pri2 : 8;
+		u32 pri3 : 8;
+	} field;
+	u32 val;
+};
+
+#define DLB2_NALB_PIPE_CFG_ARB_WEIGHTS_TQPRI_NALB_1 0x8400000c
+#define DLB2_NALB_PIPE_CFG_ARB_WEIGHTS_TQPRI_NALB_1_RST 0x0
+union dlb2_nalb_pipe_cfg_arb_weights_tqpri_nalb_1 {
+	struct {
+		u32 rsvz0 : 32;
+	} field;
+	u32 val;
+};
+
+#define DLB2_NALB_PIPE_CFG_ARB_WEIGHTS_TQPRI_REPLAY_0 0x84000010
+#define DLB2_NALB_PIPE_CFG_ARB_WEIGHTS_TQPRI_REPLAY_0_RST 0xfefcfaf8
+union dlb2_nalb_pipe_cfg_arb_weights_tqpri_replay_0 {
+	struct {
+		u32 pri0 : 8;
+		u32 pri1 : 8;
+		u32 pri2 : 8;
+		u32 pri3 : 8;
+	} field;
+	u32 val;
+};
+
+#define DLB2_NALB_PIPE_CFG_ARB_WEIGHTS_TQPRI_REPLAY_1 0x84000014
+#define DLB2_NALB_PIPE_CFG_ARB_WEIGHTS_TQPRI_REPLAY_1_RST 0x0
+union dlb2_nalb_pipe_cfg_arb_weights_tqpri_replay_1 {
+	struct {
+		u32 rsvz0 : 32;
+	} field;
+	u32 val;
+};
+
+#define DLB2_RO_PIPE_GRP_0_SLT_SHFT(x) \
+	(0x96000000 + (x) * 0x4)
+#define DLB2_RO_PIPE_GRP_0_SLT_SHFT_RST 0x0
+union dlb2_ro_pipe_grp_0_slt_shft {
+	struct {
+		u32 change : 10;
+		u32 rsvd0 : 22;
+	} field;
+	u32 val;
+};
+
+#define DLB2_RO_PIPE_GRP_1_SLT_SHFT(x) \
+	(0x96010000 + (x) * 0x4)
+#define DLB2_RO_PIPE_GRP_1_SLT_SHFT_RST 0x0
+union dlb2_ro_pipe_grp_1_slt_shft {
+	struct {
+		u32 change : 10;
+		u32 rsvd0 : 22;
+	} field;
+	u32 val;
+};
+
+#define DLB2_RO_PIPE_GRP_SN_MODE 0x94000000
+#define DLB2_RO_PIPE_GRP_SN_MODE_RST 0x0
+union dlb2_ro_pipe_grp_sn_mode {
+	struct {
+		u32 sn_mode_0 : 3;
+		u32 rszv0 : 5;
+		u32 sn_mode_1 : 3;
+		u32 rszv1 : 21;
+	} field;
+	u32 val;
+};
+
+#define DLB2_RO_PIPE_CFG_CTRL_GENERAL_0 0x9c000000
+#define DLB2_RO_PIPE_CFG_CTRL_GENERAL_0_RST 0x0
+union dlb2_ro_pipe_cfg_ctrl_general_0 {
+	struct {
+		u32 unit_single_step_mode : 1;
+		u32 rr_en : 1;
+		u32 rszv0 : 30;
+	} field;
+	u32 val;
+};
+
+#define DLB2_LSP_CQ2PRIOV(x) \
+	(0xa0000000 + (x) * 0x1000)
+#define DLB2_LSP_CQ2PRIOV_RST 0x0
+union dlb2_lsp_cq2priov {
+	struct {
+		u32 prio : 24;
+		u32 v : 8;
+	} field;
+	u32 val;
+};
+
+#define DLB2_LSP_CQ2QID0(x) \
+	(0xa0080000 + (x) * 0x1000)
+#define DLB2_LSP_CQ2QID0_RST 0x0
+union dlb2_lsp_cq2qid0 {
+	struct {
+		u32 qid_p0 : 7;
+		u32 rsvd3 : 1;
+		u32 qid_p1 : 7;
+		u32 rsvd2 : 1;
+		u32 qid_p2 : 7;
+		u32 rsvd1 : 1;
+		u32 qid_p3 : 7;
+		u32 rsvd0 : 1;
+	} field;
+	u32 val;
+};
+
+#define DLB2_LSP_CQ2QID1(x) \
+	(0xa0100000 + (x) * 0x1000)
+#define DLB2_LSP_CQ2QID1_RST 0x0
+union dlb2_lsp_cq2qid1 {
+	struct {
+		u32 qid_p4 : 7;
+		u32 rsvd3 : 1;
+		u32 qid_p5 : 7;
+		u32 rsvd2 : 1;
+		u32 qid_p6 : 7;
+		u32 rsvd1 : 1;
+		u32 qid_p7 : 7;
+		u32 rsvd0 : 1;
+	} field;
+	u32 val;
+};
+
+#define DLB2_LSP_CQ_DIR_DSBL(x) \
+	(0xa0180000 + (x) * 0x1000)
+#define DLB2_LSP_CQ_DIR_DSBL_RST 0x1
+union dlb2_lsp_cq_dir_dsbl {
+	struct {
+		u32 disabled : 1;
+		u32 rsvd0 : 31;
+	} field;
+	u32 val;
+};
+
+#define DLB2_LSP_CQ_DIR_TKN_CNT(x) \
+	(0xa0200000 + (x) * 0x1000)
+#define DLB2_LSP_CQ_DIR_TKN_CNT_RST 0x0
+union dlb2_lsp_cq_dir_tkn_cnt {
+	struct {
+		u32 count : 13;
+		u32 rsvd0 : 19;
+	} field;
+	u32 val;
+};
+
+#define DLB2_LSP_CQ_DIR_TKN_DEPTH_SEL_DSI(x) \
+	(0xa0280000 + (x) * 0x1000)
+#define DLB2_LSP_CQ_DIR_TKN_DEPTH_SEL_DSI_RST 0x0
+union dlb2_lsp_cq_dir_tkn_depth_sel_dsi {
+	struct {
+		u32 token_depth_select : 4;
+		u32 disable_wb_opt : 1;
+		u32 ignore_depth : 1;
+		u32 rsvd0 : 26;
+	} field;
+	u32 val;
+};
+
+#define DLB2_LSP_CQ_DIR_TOT_SCH_CNTL(x) \
+	(0xa0300000 + (x) * 0x1000)
+#define DLB2_LSP_CQ_DIR_TOT_SCH_CNTL_RST 0x0
+union dlb2_lsp_cq_dir_tot_sch_cntl {
+	struct {
+		u32 count : 32;
+	} field;
+	u32 val;
+};
+
+#define DLB2_LSP_CQ_DIR_TOT_SCH_CNTH(x) \
+	(0xa0380000 + (x) * 0x1000)
+#define DLB2_LSP_CQ_DIR_TOT_SCH_CNTH_RST 0x0
+union dlb2_lsp_cq_dir_tot_sch_cnth {
+	struct {
+		u32 count : 32;
+	} field;
+	u32 val;
+};
+
+#define DLB2_LSP_CQ_LDB_DSBL(x) \
+	(0xa0400000 + (x) * 0x1000)
+#define DLB2_LSP_CQ_LDB_DSBL_RST 0x1
+union dlb2_lsp_cq_ldb_dsbl {
+	struct {
+		u32 disabled : 1;
+		u32 rsvd0 : 31;
+	} field;
+	u32 val;
+};
+
+#define DLB2_LSP_CQ_LDB_INFL_CNT(x) \
+	(0xa0480000 + (x) * 0x1000)
+#define DLB2_LSP_CQ_LDB_INFL_CNT_RST 0x0
+union dlb2_lsp_cq_ldb_infl_cnt {
+	struct {
+		u32 count : 12;
+		u32 rsvd0 : 20;
+	} field;
+	u32 val;
+};
+
+#define DLB2_LSP_CQ_LDB_INFL_LIM(x) \
+	(0xa0500000 + (x) * 0x1000)
+#define DLB2_LSP_CQ_LDB_INFL_LIM_RST 0x0
+union dlb2_lsp_cq_ldb_infl_lim {
+	struct {
+		u32 limit : 12;
+		u32 rsvd0 : 20;
+	} field;
+	u32 val;
+};
+
+#define DLB2_LSP_CQ_LDB_TKN_CNT(x) \
+	(0xa0580000 + (x) * 0x1000)
+#define DLB2_LSP_CQ_LDB_TKN_CNT_RST 0x0
+union dlb2_lsp_cq_ldb_tkn_cnt {
+	struct {
+		u32 token_count : 11;
+		u32 rsvd0 : 21;
+	} field;
+	u32 val;
+};
+
+#define DLB2_LSP_CQ_LDB_TKN_DEPTH_SEL(x) \
+	(0xa0600000 + (x) * 0x1000)
+#define DLB2_LSP_CQ_LDB_TKN_DEPTH_SEL_RST 0x0
+union dlb2_lsp_cq_ldb_tkn_depth_sel {
+	struct {
+		u32 token_depth_select : 4;
+		u32 ignore_depth : 1;
+		u32 rsvd0 : 27;
+	} field;
+	u32 val;
+};
+
+#define DLB2_LSP_CQ_LDB_TOT_SCH_CNTL(x) \
+	(0xa0680000 + (x) * 0x1000)
+#define DLB2_LSP_CQ_LDB_TOT_SCH_CNTL_RST 0x0
+union dlb2_lsp_cq_ldb_tot_sch_cntl {
+	struct {
+		u32 count : 32;
+	} field;
+	u32 val;
+};
+
+#define DLB2_LSP_CQ_LDB_TOT_SCH_CNTH(x) \
+	(0xa0700000 + (x) * 0x1000)
+#define DLB2_LSP_CQ_LDB_TOT_SCH_CNTH_RST 0x0
+union dlb2_lsp_cq_ldb_tot_sch_cnth {
+	struct {
+		u32 count : 32;
+	} field;
+	u32 val;
+};
+
+#define DLB2_LSP_QID_DIR_MAX_DEPTH(x) \
+	(0xa0780000 + (x) * 0x1000)
+#define DLB2_LSP_QID_DIR_MAX_DEPTH_RST 0x0
+union dlb2_lsp_qid_dir_max_depth {
+	struct {
+		u32 depth : 13;
+		u32 rsvd0 : 19;
+	} field;
+	u32 val;
+};
+
+#define DLB2_LSP_QID_DIR_TOT_ENQ_CNTL(x) \
+	(0xa0800000 + (x) * 0x1000)
+#define DLB2_LSP_QID_DIR_TOT_ENQ_CNTL_RST 0x0
+union dlb2_lsp_qid_dir_tot_enq_cntl {
+	struct {
+		u32 count : 32;
+	} field;
+	u32 val;
+};
+
+#define DLB2_LSP_QID_DIR_TOT_ENQ_CNTH(x) \
+	(0xa0880000 + (x) * 0x1000)
+#define DLB2_LSP_QID_DIR_TOT_ENQ_CNTH_RST 0x0
+union dlb2_lsp_qid_dir_tot_enq_cnth {
+	struct {
+		u32 count : 32;
+	} field;
+	u32 val;
+};
+
+#define DLB2_LSP_QID_DIR_ENQUEUE_CNT(x) \
+	(0xa0900000 + (x) * 0x1000)
+#define DLB2_LSP_QID_DIR_ENQUEUE_CNT_RST 0x0
+union dlb2_lsp_qid_dir_enqueue_cnt {
+	struct {
+		u32 count : 13;
+		u32 rsvd0 : 19;
+	} field;
+	u32 val;
+};
+
+#define DLB2_LSP_QID_DIR_DEPTH_THRSH(x) \
+	(0xa0980000 + (x) * 0x1000)
+#define DLB2_LSP_QID_DIR_DEPTH_THRSH_RST 0x0
+union dlb2_lsp_qid_dir_depth_thrsh {
+	struct {
+		u32 thresh : 13;
+		u32 rsvd0 : 19;
+	} field;
+	u32 val;
+};
+
+#define DLB2_LSP_QID_AQED_ACTIVE_CNT(x) \
+	(0xa0a00000 + (x) * 0x1000)
+#define DLB2_LSP_QID_AQED_ACTIVE_CNT_RST 0x0
+union dlb2_lsp_qid_aqed_active_cnt {
+	struct {
+		u32 count : 12;
+		u32 rsvd0 : 20;
+	} field;
+	u32 val;
+};
+
+#define DLB2_LSP_QID_AQED_ACTIVE_LIM(x) \
+	(0xa0a80000 + (x) * 0x1000)
+#define DLB2_LSP_QID_AQED_ACTIVE_LIM_RST 0x0
+union dlb2_lsp_qid_aqed_active_lim {
+	struct {
+		u32 limit : 12;
+		u32 rsvd0 : 20;
+	} field;
+	u32 val;
+};
+
+#define DLB2_LSP_QID_ATM_TOT_ENQ_CNTL(x) \
+	(0xa0b00000 + (x) * 0x1000)
+#define DLB2_LSP_QID_ATM_TOT_ENQ_CNTL_RST 0x0
+union dlb2_lsp_qid_atm_tot_enq_cntl {
+	struct {
+		u32 count : 32;
+	} field;
+	u32 val;
+};
+
+#define DLB2_LSP_QID_ATM_TOT_ENQ_CNTH(x) \
+	(0xa0b80000 + (x) * 0x1000)
+#define DLB2_LSP_QID_ATM_TOT_ENQ_CNTH_RST 0x0
+union dlb2_lsp_qid_atm_tot_enq_cnth {
+	struct {
+		u32 count : 32;
+	} field;
+	u32 val;
+};
+
+#define DLB2_LSP_QID_ATQ_ENQUEUE_CNT(x) \
+	(0xa0c00000 + (x) * 0x1000)
+#define DLB2_LSP_QID_ATQ_ENQUEUE_CNT_RST 0x0
+union dlb2_lsp_qid_atq_enqueue_cnt {
+	struct {
+		u32 count : 14;
+		u32 rsvd0 : 18;
+	} field;
+	u32 val;
+};
+
+#define DLB2_LSP_QID_LDB_ENQUEUE_CNT(x) \
+	(0xa0c80000 + (x) * 0x1000)
+#define DLB2_LSP_QID_LDB_ENQUEUE_CNT_RST 0x0
+union dlb2_lsp_qid_ldb_enqueue_cnt {
+	struct {
+		u32 count : 14;
+		u32 rsvd0 : 18;
+	} field;
+	u32 val;
+};
+
+#define DLB2_LSP_QID_LDB_INFL_CNT(x) \
+	(0xa0d00000 + (x) * 0x1000)
+#define DLB2_LSP_QID_LDB_INFL_CNT_RST 0x0
+union dlb2_lsp_qid_ldb_infl_cnt {
+	struct {
+		u32 count : 12;
+		u32 rsvd0 : 20;
+	} field;
+	u32 val;
+};
+
+#define DLB2_LSP_QID_LDB_INFL_LIM(x) \
+	(0xa0d80000 + (x) * 0x1000)
+#define DLB2_LSP_QID_LDB_INFL_LIM_RST 0x0
+union dlb2_lsp_qid_ldb_infl_lim {
+	struct {
+		u32 limit : 12;
+		u32 rsvd0 : 20;
+	} field;
+	u32 val;
+};
+
+#define DLB2_LSP_QID2CQIDIX_00(x) \
+	(0xa0e00000 + (x) * 0x1000)
+#define DLB2_LSP_QID2CQIDIX_00_RST 0x0
+#define DLB2_LSP_QID2CQIDIX(x, y) \
+	(DLB2_LSP_QID2CQIDIX_00(x) + 0x80000 * (y))
+#define DLB2_LSP_QID2CQIDIX_NUM 16
+union dlb2_lsp_qid2cqidix_00 {
+	struct {
+		u32 cq_p0 : 8;
+		u32 cq_p1 : 8;
+		u32 cq_p2 : 8;
+		u32 cq_p3 : 8;
+	} field;
+	u32 val;
+};
+
+#define DLB2_LSP_QID2CQIDIX2_00(x) \
+	(0xa1600000 + (x) * 0x1000)
+#define DLB2_LSP_QID2CQIDIX2_00_RST 0x0
+#define DLB2_LSP_QID2CQIDIX2(x, y) \
+	(DLB2_LSP_QID2CQIDIX2_00(x) + 0x80000 * (y))
+#define DLB2_LSP_QID2CQIDIX2_NUM 16
+union dlb2_lsp_qid2cqidix2_00 {
+	struct {
+		u32 cq_p0 : 8;
+		u32 cq_p1 : 8;
+		u32 cq_p2 : 8;
+		u32 cq_p3 : 8;
+	} field;
+	u32 val;
+};
+
+#define DLB2_LSP_QID_LDB_REPLAY_CNT(x) \
+	(0xa1e00000 + (x) * 0x1000)
+#define DLB2_LSP_QID_LDB_REPLAY_CNT_RST 0x0
+union dlb2_lsp_qid_ldb_replay_cnt {
+	struct {
+		u32 count : 14;
+		u32 rsvd0 : 18;
+	} field;
+	u32 val;
+};
+
+#define DLB2_LSP_QID_NALDB_MAX_DEPTH(x) \
+	(0xa1f00000 + (x) * 0x1000)
+#define DLB2_LSP_QID_NALDB_MAX_DEPTH_RST 0x0
+union dlb2_lsp_qid_naldb_max_depth {
+	struct {
+		u32 depth : 14;
+		u32 rsvd0 : 18;
+	} field;
+	u32 val;
+};
+
+#define DLB2_LSP_QID_NALDB_TOT_ENQ_CNTL(x) \
+	(0xa1f80000 + (x) * 0x1000)
+#define DLB2_LSP_QID_NALDB_TOT_ENQ_CNTL_RST 0x0
+union dlb2_lsp_qid_naldb_tot_enq_cntl {
+	struct {
+		u32 count : 32;
+	} field;
+	u32 val;
+};
+
+#define DLB2_LSP_QID_NALDB_TOT_ENQ_CNTH(x) \
+	(0xa2000000 + (x) * 0x1000)
+#define DLB2_LSP_QID_NALDB_TOT_ENQ_CNTH_RST 0x0
+union dlb2_lsp_qid_naldb_tot_enq_cnth {
+	struct {
+		u32 count : 32;
+	} field;
+	u32 val;
+};
+
+#define DLB2_LSP_QID_ATM_DEPTH_THRSH(x) \
+	(0xa2080000 + (x) * 0x1000)
+#define DLB2_LSP_QID_ATM_DEPTH_THRSH_RST 0x0
+union dlb2_lsp_qid_atm_depth_thrsh {
+	struct {
+		u32 thresh : 14;
+		u32 rsvd0 : 18;
+	} field;
+	u32 val;
+};
+
+#define DLB2_LSP_QID_NALDB_DEPTH_THRSH(x) \
+	(0xa2100000 + (x) * 0x1000)
+#define DLB2_LSP_QID_NALDB_DEPTH_THRSH_RST 0x0
+union dlb2_lsp_qid_naldb_depth_thrsh {
+	struct {
+		u32 thresh : 14;
+		u32 rsvd0 : 18;
+	} field;
+	u32 val;
+};
+
+#define DLB2_LSP_QID_ATM_ACTIVE(x) \
+	(0xa2180000 + (x) * 0x1000)
+#define DLB2_LSP_QID_ATM_ACTIVE_RST 0x0
+union dlb2_lsp_qid_atm_active {
+	struct {
+		u32 count : 14;
+		u32 rsvd0 : 18;
+	} field;
+	u32 val;
+};
+
+#define DLB2_LSP_CFG_ARB_WEIGHT_ATM_NALB_QID_0 0xa4000008
+#define DLB2_LSP_CFG_ARB_WEIGHT_ATM_NALB_QID_0_RST 0x0
+union dlb2_lsp_cfg_arb_weight_atm_nalb_qid_0 {
+	struct {
+		u32 pri0_weight : 8;
+		u32 pri1_weight : 8;
+		u32 pri2_weight : 8;
+		u32 pri3_weight : 8;
+	} field;
+	u32 val;
+};
+
+#define DLB2_LSP_CFG_ARB_WEIGHT_ATM_NALB_QID_1 0xa400000c
+#define DLB2_LSP_CFG_ARB_WEIGHT_ATM_NALB_QID_1_RST 0x0
+union dlb2_lsp_cfg_arb_weight_atm_nalb_qid_1 {
+	struct {
+		u32 rsvz0 : 32;
+	} field;
+	u32 val;
+};
+
+#define DLB2_LSP_CFG_ARB_WEIGHT_LDB_QID_0 0xa4000014
+#define DLB2_LSP_CFG_ARB_WEIGHT_LDB_QID_0_RST 0x0
+union dlb2_lsp_cfg_arb_weight_ldb_qid_0 {
+	struct {
+		u32 pri0_weight : 8;
+		u32 pri1_weight : 8;
+		u32 pri2_weight : 8;
+		u32 pri3_weight : 8;
+	} field;
+	u32 val;
+};
+
+#define DLB2_LSP_CFG_ARB_WEIGHT_LDB_QID_1 0xa4000018
+#define DLB2_LSP_CFG_ARB_WEIGHT_LDB_QID_1_RST 0x0
+union dlb2_lsp_cfg_arb_weight_ldb_qid_1 {
+	struct {
+		u32 rsvz0 : 32;
+	} field;
+	u32 val;
+};
+
+#define DLB2_LSP_LDB_SCHED_CTRL 0xa400002c
+#define DLB2_LSP_LDB_SCHED_CTRL_RST 0x0
+union dlb2_lsp_ldb_sched_ctrl {
+	struct {
+		u32 cq : 8;
+		u32 qidix : 3;
+		u32 value : 1;
+		u32 nalb_haswork_v : 1;
+		u32 rlist_haswork_v : 1;
+		u32 slist_haswork_v : 1;
+		u32 inflight_ok_v : 1;
+		u32 aqed_nfull_v : 1;
+		u32 rsvz0 : 15;
+	} field;
+	u32 val;
+};
+
+#define DLB2_LSP_DIR_SCH_CNT_L 0xa4000034
+#define DLB2_LSP_DIR_SCH_CNT_L_RST 0x0
+union dlb2_lsp_dir_sch_cnt_l {
+	struct {
+		u32 count : 32;
+	} field;
+	u32 val;
+};
+
+#define DLB2_LSP_DIR_SCH_CNT_H 0xa4000038
+#define DLB2_LSP_DIR_SCH_CNT_H_RST 0x0
+union dlb2_lsp_dir_sch_cnt_h {
+	struct {
+		u32 count : 32;
+	} field;
+	u32 val;
+};
+
+#define DLB2_LSP_LDB_SCH_CNT_L 0xa400003c
+#define DLB2_LSP_LDB_SCH_CNT_L_RST 0x0
+union dlb2_lsp_ldb_sch_cnt_l {
+	struct {
+		u32 count : 32;
+	} field;
+	u32 val;
+};
+
+#define DLB2_LSP_LDB_SCH_CNT_H 0xa4000040
+#define DLB2_LSP_LDB_SCH_CNT_H_RST 0x0
+union dlb2_lsp_ldb_sch_cnt_h {
+	struct {
+		u32 count : 32;
+	} field;
+	u32 val;
+};
+
+#define DLB2_LSP_CFG_SHDW_CTRL 0xa4000070
+#define DLB2_LSP_CFG_SHDW_CTRL_RST 0x0
+union dlb2_lsp_cfg_shdw_ctrl {
+	struct {
+		u32 transfer : 1;
+		u32 rsvd0 : 31;
+	} field;
+	u32 val;
+};
+
+#define DLB2_LSP_CFG_SHDW_RANGE_COS(x) \
+	(0xa4000074 + (x) * 4)
+#define DLB2_LSP_CFG_SHDW_RANGE_COS_RST 0x40
+union dlb2_lsp_cfg_shdw_range_cos {
+	struct {
+		u32 bw_range : 9;
+		u32 rsvz0 : 22;
+		u32 no_extra_credit : 1;
+	} field;
+	u32 val;
+};
+
+#define DLB2_LSP_CFG_CTRL_GENERAL_0 0xac000000
+#define DLB2_LSP_CFG_CTRL_GENERAL_0_RST 0x0
+union dlb2_lsp_cfg_ctrl_general_0 {
+	struct {
+		u32 disab_atq_empty_arb : 1;
+		u32 inc_tok_unit_idle : 1;
+		u32 disab_rlist_pri : 1;
+		u32 inc_cmp_unit_idle : 1;
+		u32 rsvz0 : 2;
+		u32 dir_single_op : 1;
+		u32 dir_half_bw : 1;
+		u32 dir_single_out : 1;
+		u32 dir_disab_multi : 1;
+		u32 atq_single_op : 1;
+		u32 atq_half_bw : 1;
+		u32 atq_single_out : 1;
+		u32 atq_disab_multi : 1;
+		u32 dirrpl_single_op : 1;
+		u32 dirrpl_half_bw : 1;
+		u32 dirrpl_single_out : 1;
+		u32 lbrpl_single_op : 1;
+		u32 lbrpl_half_bw : 1;
+		u32 lbrpl_single_out : 1;
+		u32 ldb_single_op : 1;
+		u32 ldb_half_bw : 1;
+		u32 ldb_disab_multi : 1;
+		u32 atm_single_sch : 1;
+		u32 atm_single_cmp : 1;
+		u32 ldb_ce_tog_arb : 1;
+		u32 rsvz1 : 1;
+		u32 smon0_valid_sel : 2;
+		u32 smon0_value_sel : 1;
+		u32 smon0_compare_sel : 2;
+	} field;
+	u32 val;
+};
+
+#define DLB2_CFG_MSTR_DIAG_RESET_STS 0xb4000000
+#define DLB2_CFG_MSTR_DIAG_RESET_STS_RST 0x80000bff
+union dlb2_cfg_mstr_diag_reset_sts {
+	struct {
+		u32 chp_pf_reset_done : 1;
+		u32 rop_pf_reset_done : 1;
+		u32 lsp_pf_reset_done : 1;
+		u32 nalb_pf_reset_done : 1;
+		u32 ap_pf_reset_done : 1;
+		u32 dp_pf_reset_done : 1;
+		u32 qed_pf_reset_done : 1;
+		u32 dqed_pf_reset_done : 1;
+		u32 aqed_pf_reset_done : 1;
+		u32 sys_pf_reset_done : 1;
+		u32 pf_reset_active : 1;
+		u32 flrsm_state : 7;
+		u32 rsvd0 : 13;
+		u32 dlb_proc_reset_done : 1;
+	} field;
+	u32 val;
+};
+
+#define DLB2_CFG_MSTR_CFG_DIAGNOSTIC_IDLE_STATUS 0xb4000004
+#define DLB2_CFG_MSTR_CFG_DIAGNOSTIC_IDLE_STATUS_RST 0x9d0fffff
+union dlb2_cfg_mstr_cfg_diagnostic_idle_status {
+	struct {
+		u32 chp_pipeidle : 1;
+		u32 rop_pipeidle : 1;
+		u32 lsp_pipeidle : 1;
+		u32 nalb_pipeidle : 1;
+		u32 ap_pipeidle : 1;
+		u32 dp_pipeidle : 1;
+		u32 qed_pipeidle : 1;
+		u32 dqed_pipeidle : 1;
+		u32 aqed_pipeidle : 1;
+		u32 sys_pipeidle : 1;
+		u32 chp_unit_idle : 1;
+		u32 rop_unit_idle : 1;
+		u32 lsp_unit_idle : 1;
+		u32 nalb_unit_idle : 1;
+		u32 ap_unit_idle : 1;
+		u32 dp_unit_idle : 1;
+		u32 qed_unit_idle : 1;
+		u32 dqed_unit_idle : 1;
+		u32 aqed_unit_idle : 1;
+		u32 sys_unit_idle : 1;
+		u32 rsvd1 : 4;
+		u32 mstr_cfg_ring_idle : 1;
+		u32 mstr_cfg_mstr_idle : 1;
+		u32 mstr_flr_clkreq_b : 1;
+		u32 mstr_proc_idle : 1;
+		u32 mstr_proc_idle_masked : 1;
+		u32 rsvd0 : 2;
+		u32 dlb_func_idle : 1;
+	} field;
+	u32 val;
+};
+
+#define DLB2_CFG_MSTR_CFG_PM_STATUS 0xb4000014
+#define DLB2_CFG_MSTR_CFG_PM_STATUS_RST 0x100403e
+union dlb2_cfg_mstr_cfg_pm_status {
+	struct {
+		u32 prochot : 1;
+		u32 pgcb_dlb_idle : 1;
+		u32 pgcb_dlb_pg_rdy_ack_b : 1;
+		u32 pmsm_pgcb_req_b : 1;
+		u32 pgbc_pmc_pg_req_b : 1;
+		u32 pmc_pgcb_pg_ack_b : 1;
+		u32 pmc_pgcb_fet_en_b : 1;
+		u32 pgcb_fet_en_b : 1;
+		u32 rsvz0 : 1;
+		u32 rsvz1 : 1;
+		u32 fuse_force_on : 1;
+		u32 fuse_proc_disable : 1;
+		u32 rsvz2 : 1;
+		u32 rsvz3 : 1;
+		u32 pm_fsm_d0tod3_ok : 1;
+		u32 pm_fsm_d3tod0_ok : 1;
+		u32 dlb_in_d3 : 1;
+		u32 rsvz4 : 7;
+		u32 pmsm : 8;
+	} field;
+	u32 val;
+};
+
+#define DLB2_CFG_MSTR_CFG_PM_PMCSR_DISABLE 0xb4000018
+#define DLB2_CFG_MSTR_CFG_PM_PMCSR_DISABLE_RST 0x1
+union dlb2_cfg_mstr_cfg_pm_pmcsr_disable {
+	struct {
+		u32 disable : 1;
+		u32 rsvz0 : 31;
+	} field;
+	u32 val;
+};
+
+#define DLB2_FUNC_VF_VF2PF_MAILBOX_BYTES 256
+#define DLB2_FUNC_VF_VF2PF_MAILBOX(x) \
+	(0x1000 + (x) * 0x4)
+#define DLB2_FUNC_VF_VF2PF_MAILBOX_RST 0x0
+union dlb2_func_vf_vf2pf_mailbox {
+	struct {
+		u32 msg : 32;
+	} field;
+	u32 val;
+};
+
+#define DLB2_FUNC_VF_VF2PF_MAILBOX_ISR 0x1f00
+#define DLB2_FUNC_VF_VF2PF_MAILBOX_ISR_RST 0x0
+#define DLB2_FUNC_VF_SIOV_VF2PF_MAILBOX_ISR_TRIGGER 0x8000
+union dlb2_func_vf_vf2pf_mailbox_isr {
+	struct {
+		u32 isr : 1;
+		u32 rsvd0 : 31;
+	} field;
+	u32 val;
+};
+
+#define DLB2_FUNC_VF_PF2VF_MAILBOX_BYTES 64
+#define DLB2_FUNC_VF_PF2VF_MAILBOX(x) \
+	(0x2000 + (x) * 0x4)
+#define DLB2_FUNC_VF_PF2VF_MAILBOX_RST 0x0
+union dlb2_func_vf_pf2vf_mailbox {
+	struct {
+		u32 msg : 32;
+	} field;
+	u32 val;
+};
+
+#define DLB2_FUNC_VF_PF2VF_MAILBOX_ISR 0x2f00
+#define DLB2_FUNC_VF_PF2VF_MAILBOX_ISR_RST 0x0
+union dlb2_func_vf_pf2vf_mailbox_isr {
+	struct {
+		u32 pf_isr : 1;
+		u32 rsvd0 : 31;
+	} field;
+	u32 val;
+};
+
+#define DLB2_FUNC_VF_VF_MSI_ISR_PEND 0x2f10
+#define DLB2_FUNC_VF_VF_MSI_ISR_PEND_RST 0x0
+union dlb2_func_vf_vf_msi_isr_pend {
+	struct {
+		u32 isr_pend : 32;
+	} field;
+	u32 val;
+};
+
+#define DLB2_FUNC_VF_VF_RESET_IN_PROGRESS 0x3000
+#define DLB2_FUNC_VF_VF_RESET_IN_PROGRESS_RST 0x1
+union dlb2_func_vf_vf_reset_in_progress {
+	struct {
+		u32 reset_in_progress : 1;
+		u32 rsvd0 : 31;
+	} field;
+	u32 val;
+};
+
+#define DLB2_FUNC_VF_VF_MSI_ISR 0x4000
+#define DLB2_FUNC_VF_VF_MSI_ISR_RST 0x0
+union dlb2_func_vf_vf_msi_isr {
+	struct {
+		u32 vf_msi_isr : 32;
+	} field;
+	u32 val;
+};
+
+#endif /* __DLB2_REGS_H */
diff --git a/drivers/event/dlb2/pf/base/dlb2_resource.c b/drivers/event/dlb2/pf/base/dlb2_resource.c
new file mode 100644
index 0000000..6de8b95
--- /dev/null
+++ b/drivers/event/dlb2/pf/base/dlb2_resource.c
@@ -0,0 +1,274 @@
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(c) 2016-2020 Intel Corporation
+ */
+
+#include "dlb2_user.h"
+
+#include "dlb2_hw_types.h"
+#include "dlb2_mbox.h"
+#include "dlb2_osdep.h"
+#include "dlb2_osdep_bitmap.h"
+#include "dlb2_osdep_types.h"
+#include "dlb2_regs.h"
+#include "dlb2_resource.h"
+
+static void dlb2_init_domain_rsrc_lists(struct dlb2_hw_domain *domain)
+{
+	int i;
+
+	dlb2_list_init_head(&domain->used_ldb_queues);
+	dlb2_list_init_head(&domain->used_dir_pq_pairs);
+	dlb2_list_init_head(&domain->avail_ldb_queues);
+	dlb2_list_init_head(&domain->avail_dir_pq_pairs);
+
+	for (i = 0; i < DLB2_NUM_COS_DOMAINS; i++)
+		dlb2_list_init_head(&domain->used_ldb_ports[i]);
+	for (i = 0; i < DLB2_NUM_COS_DOMAINS; i++)
+		dlb2_list_init_head(&domain->avail_ldb_ports[i]);
+}
+
+static void dlb2_init_fn_rsrc_lists(struct dlb2_function_resources *rsrc)
+{
+	int i;
+
+	dlb2_list_init_head(&rsrc->avail_domains);
+	dlb2_list_init_head(&rsrc->used_domains);
+	dlb2_list_init_head(&rsrc->avail_ldb_queues);
+	dlb2_list_init_head(&rsrc->avail_dir_pq_pairs);
+
+	for (i = 0; i < DLB2_NUM_COS_DOMAINS; i++)
+		dlb2_list_init_head(&rsrc->avail_ldb_ports[i]);
+}
+
+void dlb2_hw_enable_sparse_dir_cq_mode(struct dlb2_hw *hw)
+{
+	union dlb2_chp_cfg_chp_csr_ctrl r0;
+
+	r0.val = DLB2_CSR_RD(hw, DLB2_CHP_CFG_CHP_CSR_CTRL);
+
+	r0.field.cfg_64bytes_qe_dir_cq_mode = 1;
+
+	DLB2_CSR_WR(hw, DLB2_CHP_CFG_CHP_CSR_CTRL, r0.val);
+}
+
+int dlb2_hw_get_num_resources(struct dlb2_hw *hw,
+			      struct dlb2_get_num_resources_args *arg,
+			      bool vdev_req,
+			      unsigned int vdev_id)
+{
+	struct dlb2_function_resources *rsrcs;
+	struct dlb2_bitmap *map;
+	int i;
+
+	if (vdev_req && vdev_id >= DLB2_MAX_NUM_VDEVS)
+		return -EINVAL;
+
+	if (vdev_req)
+		rsrcs = &hw->vdev[vdev_id];
+	else
+		rsrcs = &hw->pf;
+
+	arg->num_sched_domains = rsrcs->num_avail_domains;
+
+	arg->num_ldb_queues = rsrcs->num_avail_ldb_queues;
+
+	arg->num_ldb_ports = 0;
+	for (i = 0; i < DLB2_NUM_COS_DOMAINS; i++)
+		arg->num_ldb_ports += rsrcs->num_avail_ldb_ports[i];
+
+	arg->num_cos_ldb_ports[0] = rsrcs->num_avail_ldb_ports[0];
+	arg->num_cos_ldb_ports[1] = rsrcs->num_avail_ldb_ports[1];
+	arg->num_cos_ldb_ports[2] = rsrcs->num_avail_ldb_ports[2];
+	arg->num_cos_ldb_ports[3] = rsrcs->num_avail_ldb_ports[3];
+
+	arg->num_dir_ports = rsrcs->num_avail_dir_pq_pairs;
+
+	arg->num_atomic_inflights = rsrcs->num_avail_aqed_entries;
+
+	map = rsrcs->avail_hist_list_entries;
+
+	arg->num_hist_list_entries = dlb2_bitmap_count(map);
+
+	arg->max_contiguous_hist_list_entries =
+		dlb2_bitmap_longest_set_range(map);
+
+	arg->num_ldb_credits = rsrcs->num_avail_qed_entries;
+
+	arg->num_dir_credits = rsrcs->num_avail_dqed_entries;
+
+	return 0;
+}
+
+void dlb2_hw_enable_sparse_ldb_cq_mode(struct dlb2_hw *hw)
+{
+	union dlb2_chp_cfg_chp_csr_ctrl r0;
+
+	r0.val = DLB2_CSR_RD(hw, DLB2_CHP_CFG_CHP_CSR_CTRL);
+
+	r0.field.cfg_64bytes_qe_ldb_cq_mode = 1;
+
+	DLB2_CSR_WR(hw, DLB2_CHP_CFG_CHP_CSR_CTRL, r0.val);
+}
+
+void dlb2_resource_free(struct dlb2_hw *hw)
+{
+	int i;
+
+	if (hw->pf.avail_hist_list_entries)
+		dlb2_bitmap_free(hw->pf.avail_hist_list_entries);
+
+	for (i = 0; i < DLB2_MAX_NUM_VDEVS; i++) {
+		if (hw->vdev[i].avail_hist_list_entries)
+			dlb2_bitmap_free(hw->vdev[i].avail_hist_list_entries);
+	}
+}
+
+int dlb2_resource_init(struct dlb2_hw *hw)
+{
+	struct dlb2_list_entry *list;
+	unsigned int i;
+	int ret;
+
+	/*
+	 * For optimal load-balancing, ports that map to one or more QIDs in
+	 * common should not be in numerical sequence. This is application
+	 * dependent, but the driver interleaves port IDs as much as possible
+	 * to reduce the likelihood of this. This initial allocation maximizes
+	 * the average distance between an ID and its immediate neighbors (i.e.
+	 * the distance from 1 to 0 and to 2, the distance from 2 to 1 and to
+	 * 3, etc.).
+	 */
+	u8 init_ldb_port_allocation[DLB2_MAX_NUM_LDB_PORTS] = {
+		0,  7,  14,  5, 12,  3, 10,  1,  8, 15,  6, 13,  4, 11,  2,  9,
+		16, 23, 30, 21, 28, 19, 26, 17, 24, 31, 22, 29, 20, 27, 18, 25,
+		32, 39, 46, 37, 44, 35, 42, 33, 40, 47, 38, 45, 36, 43, 34, 41,
+		48, 55, 62, 53, 60, 51, 58, 49, 56, 63, 54, 61, 52, 59, 50, 57,
+	};
+
+	/* Zero-out resource tracking data structures */
+	memset(&hw->rsrcs, 0, sizeof(hw->rsrcs));
+	memset(&hw->pf, 0, sizeof(hw->pf));
+
+	dlb2_init_fn_rsrc_lists(&hw->pf);
+
+	for (i = 0; i < DLB2_MAX_NUM_VDEVS; i++) {
+		memset(&hw->vdev[i], 0, sizeof(hw->vdev[i]));
+		dlb2_init_fn_rsrc_lists(&hw->vdev[i]);
+	}
+
+	for (i = 0; i < DLB2_MAX_NUM_DOMAINS; i++) {
+		memset(&hw->domains[i], 0, sizeof(hw->domains[i]));
+		dlb2_init_domain_rsrc_lists(&hw->domains[i]);
+		hw->domains[i].parent_func = &hw->pf;
+	}
+
+	/* Give all resources to the PF driver */
+	hw->pf.num_avail_domains = DLB2_MAX_NUM_DOMAINS;
+	for (i = 0; i < hw->pf.num_avail_domains; i++) {
+		list = &hw->domains[i].func_list;
+
+		dlb2_list_add(&hw->pf.avail_domains, list);
+	}
+
+	hw->pf.num_avail_ldb_queues = DLB2_MAX_NUM_LDB_QUEUES;
+	for (i = 0; i < hw->pf.num_avail_ldb_queues; i++) {
+		list = &hw->rsrcs.ldb_queues[i].func_list;
+
+		dlb2_list_add(&hw->pf.avail_ldb_queues, list);
+	}
+
+	for (i = 0; i < DLB2_NUM_COS_DOMAINS; i++)
+		hw->pf.num_avail_ldb_ports[i] =
+			DLB2_MAX_NUM_LDB_PORTS / DLB2_NUM_COS_DOMAINS;
+
+	for (i = 0; i < DLB2_MAX_NUM_LDB_PORTS; i++) {
+		int cos_id = i >> DLB2_NUM_COS_DOMAINS;
+		struct dlb2_ldb_port *port;
+
+		port = &hw->rsrcs.ldb_ports[init_ldb_port_allocation[i]];
+
+		dlb2_list_add(&hw->pf.avail_ldb_ports[cos_id],
+			      &port->func_list);
+	}
+
+	hw->pf.num_avail_dir_pq_pairs = DLB2_MAX_NUM_DIR_PORTS;
+	for (i = 0; i < hw->pf.num_avail_dir_pq_pairs; i++) {
+		list = &hw->rsrcs.dir_pq_pairs[i].func_list;
+
+		dlb2_list_add(&hw->pf.avail_dir_pq_pairs, list);
+	}
+
+	hw->pf.num_avail_qed_entries = DLB2_MAX_NUM_LDB_CREDITS;
+	hw->pf.num_avail_dqed_entries = DLB2_MAX_NUM_DIR_CREDITS;
+	hw->pf.num_avail_aqed_entries = DLB2_MAX_NUM_AQED_ENTRIES;
+
+	ret = dlb2_bitmap_alloc(&hw->pf.avail_hist_list_entries,
+				DLB2_MAX_NUM_HIST_LIST_ENTRIES);
+	if (ret)
+		goto unwind;
+
+	ret = dlb2_bitmap_fill(hw->pf.avail_hist_list_entries);
+	if (ret)
+		goto unwind;
+
+	for (i = 0; i < DLB2_MAX_NUM_VDEVS; i++) {
+		ret = dlb2_bitmap_alloc(&hw->vdev[i].avail_hist_list_entries,
+					DLB2_MAX_NUM_HIST_LIST_ENTRIES);
+		if (ret)
+			goto unwind;
+
+		ret = dlb2_bitmap_zero(hw->vdev[i].avail_hist_list_entries);
+		if (ret)
+			goto unwind;
+	}
+
+	/* Initialize the hardware resource IDs */
+	for (i = 0; i < DLB2_MAX_NUM_DOMAINS; i++) {
+		hw->domains[i].id.phys_id = i;
+		hw->domains[i].id.vdev_owned = false;
+	}
+
+	for (i = 0; i < DLB2_MAX_NUM_LDB_QUEUES; i++) {
+		hw->rsrcs.ldb_queues[i].id.phys_id = i;
+		hw->rsrcs.ldb_queues[i].id.vdev_owned = false;
+	}
+
+	for (i = 0; i < DLB2_MAX_NUM_LDB_PORTS; i++) {
+		hw->rsrcs.ldb_ports[i].id.phys_id = i;
+		hw->rsrcs.ldb_ports[i].id.vdev_owned = false;
+	}
+
+	for (i = 0; i < DLB2_MAX_NUM_DIR_PORTS; i++) {
+		hw->rsrcs.dir_pq_pairs[i].id.phys_id = i;
+		hw->rsrcs.dir_pq_pairs[i].id.vdev_owned = false;
+	}
+
+	for (i = 0; i < DLB2_MAX_NUM_SEQUENCE_NUMBER_GROUPS; i++) {
+		hw->rsrcs.sn_groups[i].id = i;
+		/* Default mode (0) is 64 sequence numbers per queue */
+		hw->rsrcs.sn_groups[i].mode = 0;
+		hw->rsrcs.sn_groups[i].sequence_numbers_per_queue = 64;
+		hw->rsrcs.sn_groups[i].slot_use_bitmap = 0;
+	}
+
+	for (i = 0; i < DLB2_NUM_COS_DOMAINS; i++)
+		hw->cos_reservation[i] = 100 / DLB2_NUM_COS_DOMAINS;
+
+	return 0;
+
+unwind:
+	dlb2_resource_free(hw);
+
+	return ret;
+}
+
+void dlb2_clr_pmcsr_disable(struct dlb2_hw *hw)
+{
+	union dlb2_cfg_mstr_cfg_pm_pmcsr_disable r0;
+
+	r0.val = DLB2_CSR_RD(hw, DLB2_CFG_MSTR_CFG_PM_PMCSR_DISABLE);
+
+	r0.field.disable = 0;
+
+	DLB2_CSR_WR(hw, DLB2_CFG_MSTR_CFG_PM_PMCSR_DISABLE, r0.val);
+}
diff --git a/drivers/event/dlb2/pf/base/dlb2_resource.h b/drivers/event/dlb2/pf/base/dlb2_resource.h
new file mode 100644
index 0000000..503fdf3
--- /dev/null
+++ b/drivers/event/dlb2/pf/base/dlb2_resource.h
@@ -0,0 +1,1913 @@
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(c) 2016-2020 Intel Corporation
+ */
+
+#ifndef __DLB2_RESOURCE_H
+#define __DLB2_RESOURCE_H
+
+#include "dlb2_user.h"
+
+#include "dlb2_hw_types.h"
+#include "dlb2_osdep_types.h"
+
+/**
+ * dlb2_resource_init() - initialize the device
+ * @hw: pointer to struct dlb2_hw.
+ *
+ * This function initializes the device's software state (pointed to by the hw
+ * argument) and programs global scheduling QoS registers. This function should
+ * be called during driver initialization.
+ *
+ * The dlb2_hw struct must be unique per DLB 2.0 device and persist until the
+ * device is reset.
+ *
+ * Return:
+ * Returns 0 upon success, <0 otherwise.
+ */
+int dlb2_resource_init(struct dlb2_hw *hw);
+
+/**
+ * dlb2_resource_free() - free device state memory
+ * @hw: dlb2_hw handle for a particular device.
+ *
+ * This function frees software state pointed to by dlb2_hw. This function
+ * should be called when resetting the device or unloading the driver.
+ */
+void dlb2_resource_free(struct dlb2_hw *hw);
+
+/**
+ * dlb2_resource_reset() - reset in-use resources to their initial state
+ * @hw: dlb2_hw handle for a particular device.
+ *
+ * This function resets in-use resources, and makes them available for use.
+ * All resources go back to their owning function, whether a PF or a VF.
+ */
+void dlb2_resource_reset(struct dlb2_hw *hw);
+
+/**
+ * dlb2_hw_create_sched_domain() - create a scheduling domain
+ * @hw: dlb2_hw handle for a particular device.
+ * @args: scheduling domain creation arguments.
+ * @resp: response structure.
+ * @vdev_request: indicates whether this request came from a vdev.
+ * @vdev_id: If vdev_request 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 dlb2_error. If successful, resp->id
+ * contains the domain ID.
+ *
+ * resp->id contains a virtual ID if vdev_request 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 dlb2_hw_create_sched_domain(struct dlb2_hw *hw,
+				struct dlb2_create_sched_domain_args *args,
+				struct dlb2_cmd_response *resp,
+				bool vdev_request,
+				unsigned int vdev_id);
+
+/**
+ * dlb2_hw_create_ldb_queue() - create a load-balanced queue
+ * @hw: dlb2_hw handle for a particular device.
+ * @domain_id: domain ID.
+ * @args: queue creation arguments.
+ * @resp: response structure.
+ * @vdev_request: indicates whether this request came from a vdev.
+ * @vdev_id: If vdev_request is true, this contains the vdev's ID.
+ *
+ * This function creates a load-balanced queue.
+ *
+ * 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 dlb2_error. If successful, resp->id
+ * contains the queue ID.
+ *
+ * resp->id contains a virtual ID if vdev_request is true.
+ *
+ * Errors:
+ * EINVAL - A requested resource is unavailable, the domain is not configured,
+ *	    the domain has already been started, or the requested queue name is
+ *	    already in use.
+ * EFAULT - Internal error (resp->status not set).
+ */
+int dlb2_hw_create_ldb_queue(struct dlb2_hw *hw,
+			     u32 domain_id,
+			     struct dlb2_create_ldb_queue_args *args,
+			     struct dlb2_cmd_response *resp,
+			     bool vdev_request,
+			     unsigned int vdev_id);
+
+/**
+ * dlb2_hw_create_dir_queue() - create a directed queue
+ * @hw: dlb2_hw handle for a particular device.
+ * @domain_id: domain ID.
+ * @args: queue creation arguments.
+ * @resp: response structure.
+ * @vdev_request: indicates whether this request came from a vdev.
+ * @vdev_id: If vdev_request is true, this contains the vdev's ID.
+ *
+ * This function creates a directed queue.
+ *
+ * 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 dlb2_error. If successful, resp->id
+ * contains the queue ID.
+ *
+ * resp->id contains a virtual ID if vdev_request is true.
+ *
+ * Errors:
+ * EINVAL - A requested resource is unavailable, the domain is not configured,
+ *	    or the domain has already been started.
+ * EFAULT - Internal error (resp->status not set).
+ */
+int dlb2_hw_create_dir_queue(struct dlb2_hw *hw,
+			     u32 domain_id,
+			     struct dlb2_create_dir_queue_args *args,
+			     struct dlb2_cmd_response *resp,
+			     bool vdev_request,
+			     unsigned int vdev_id);
+
+/**
+ * dlb2_hw_create_dir_port() - create a directed port
+ * @hw: dlb2_hw handle for a particular device.
+ * @domain_id: domain ID.
+ * @args: port creation arguments.
+ * @cq_dma_base: base address of the CQ memory. This can be a PA or an IOVA.
+ * @resp: response structure.
+ * @vdev_request: indicates whether this request came from a vdev.
+ * @vdev_id: If vdev_request is true, this contains the vdev's ID.
+ *
+ * This function creates a directed port.
+ *
+ * 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 dlb2_error. If successful, resp->id
+ * contains the port ID.
+ *
+ * resp->id contains a virtual ID if vdev_request is true.
+ *
+ * Errors:
+ * EINVAL - A requested resource is unavailable, a credit setting is invalid, a
+ *	    pointer address is not properly aligned, the domain is not
+ *	    configured, or the domain has already been started.
+ * EFAULT - Internal error (resp->status not set).
+ */
+int dlb2_hw_create_dir_port(struct dlb2_hw *hw,
+			    u32 domain_id,
+			    struct dlb2_create_dir_port_args *args,
+			    uintptr_t cq_dma_base,
+			    struct dlb2_cmd_response *resp,
+			    bool vdev_request,
+			    unsigned int vdev_id);
+
+/**
+ * dlb2_hw_create_ldb_port() - create a load-balanced port
+ * @hw: dlb2_hw handle for a particular device.
+ * @domain_id: domain ID.
+ * @args: port creation arguments.
+ * @cq_dma_base: base address of the CQ memory. This can be a PA or an IOVA.
+ * @resp: response structure.
+ * @vdev_request: indicates whether this request came from a vdev.
+ * @vdev_id: If vdev_request is true, this contains the vdev's ID.
+ *
+ * This function creates a load-balanced port.
+ *
+ * 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 dlb2_error. If successful, resp->id
+ * contains the port ID.
+ *
+ * resp->id contains a virtual ID if vdev_request is true.
+ *
+ * Errors:
+ * EINVAL - A requested resource is unavailable, a credit setting is invalid, a
+ *	    pointer address is not properly aligned, the domain is not
+ *	    configured, or the domain has already been started.
+ * EFAULT - Internal error (resp->status not set).
+ */
+int dlb2_hw_create_ldb_port(struct dlb2_hw *hw,
+			    u32 domain_id,
+			    struct dlb2_create_ldb_port_args *args,
+			    uintptr_t cq_dma_base,
+			    struct dlb2_cmd_response *resp,
+			    bool vdev_request,
+			    unsigned int vdev_id);
+
+/**
+ * dlb2_hw_start_domain() - start a scheduling domain
+ * @hw: dlb2_hw handle for a particular device.
+ * @domain_id: domain ID.
+ * @args: start domain arguments.
+ * @resp: response structure.
+ * @vdev_request: indicates whether this request came from a vdev.
+ * @vdev_id: If vdev_request is true, this contains the vdev's ID.
+ *
+ * This function starts a scheduling domain, which allows applications to send
+ * traffic through it. Once a domain is started, its resources can no longer be
+ * configured (besides QID remapping and port enable/disable).
+ *
+ * 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 dlb2_error.
+ *
+ * Errors:
+ * EINVAL - the domain is not configured, or the domain is already started.
+ */
+int dlb2_hw_start_domain(struct dlb2_hw *hw,
+			 u32 domain_id,
+			 struct dlb2_start_domain_args *args,
+			 struct dlb2_cmd_response *resp,
+			 bool vdev_request,
+			 unsigned int vdev_id);
+
+/**
+ * dlb2_hw_map_qid() - map a load-balanced queue to a load-balanced port
+ * @hw: dlb2_hw handle for a particular device.
+ * @domain_id: domain ID.
+ * @args: map QID arguments.
+ * @resp: response structure.
+ * @vdev_request: indicates whether this request came from a vdev.
+ * @vdev_id: If vdev_request is true, this contains the vdev's ID.
+ *
+ * This function configures the DLB to schedule QEs from the specified queue
+ * to the specified port. Each load-balanced port can be mapped to up to 8
+ * queues; each load-balanced queue can potentially map to all the
+ * load-balanced ports.
+ *
+ * A successful return does not necessarily mean the mapping was configured. If
+ * this function is unable to immediately map the queue to the port, it will
+ * add the requested operation to a per-port list of pending map/unmap
+ * operations, and (if it's not already running) launch a kernel thread that
+ * periodically attempts to process all pending operations. In a sense, this is
+ * an asynchronous function.
+ *
+ * This asynchronicity creates two views of the state of hardware: the actual
+ * hardware state and the requested state (as if every request completed
+ * immediately). If there are any pending map/unmap operations, the requested
+ * state will differ from the actual state. All validation is performed with
+ * respect to the pending state; for instance, if there are 8 pending map
+ * operations for port X, a request for a 9th will fail because a load-balanced
+ * port can only map up to 8 queues.
+ *
+ * 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 dlb2_error.
+ *
+ * Errors:
+ * EINVAL - A requested resource is unavailable, invalid port or queue ID, or
+ *	    the domain is not configured.
+ * EFAULT - Internal error (resp->status not set).
+ */
+int dlb2_hw_map_qid(struct dlb2_hw *hw,
+		    u32 domain_id,
+		    struct dlb2_map_qid_args *args,
+		    struct dlb2_cmd_response *resp,
+		    bool vdev_request,
+		    unsigned int vdev_id);
+
+/**
+ * dlb2_hw_unmap_qid() - Unmap a load-balanced queue from a load-balanced port
+ * @hw: dlb2_hw handle for a particular device.
+ * @domain_id: domain ID.
+ * @args: unmap QID arguments.
+ * @resp: response structure.
+ * @vdev_request: indicates whether this request came from a vdev.
+ * @vdev_id: If vdev_request is true, this contains the vdev's ID.
+ *
+ * This function configures the DLB to stop scheduling QEs from the specified
+ * queue to the specified port.
+ *
+ * A successful return does not necessarily mean the mapping was removed. If
+ * this function is unable to immediately unmap the queue from the port, it
+ * will add the requested operation to a per-port list of pending map/unmap
+ * operations, and (if it's not already running) launch a kernel thread that
+ * periodically attempts to process all pending operations. See
+ * dlb2_hw_map_qid() for more details.
+ *
+ * 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 dlb2_error.
+ *
+ * Errors:
+ * EINVAL - A requested resource is unavailable, invalid port or queue ID, or
+ *	    the domain is not configured.
+ * EFAULT - Internal error (resp->status not set).
+ */
+int dlb2_hw_unmap_qid(struct dlb2_hw *hw,
+		      u32 domain_id,
+		      struct dlb2_unmap_qid_args *args,
+		      struct dlb2_cmd_response *resp,
+		      bool vdev_request,
+		      unsigned int vdev_id);
+
+/**
+ * dlb2_finish_unmap_qid_procedures() - finish any pending unmap procedures
+ * @hw: dlb2_hw handle for a particular device.
+ *
+ * This function attempts to finish any outstanding unmap procedures.
+ * This function should be called by the kernel thread responsible for
+ * finishing map/unmap procedures.
+ *
+ * Return:
+ * Returns the number of procedures that weren't completed.
+ */
+unsigned int dlb2_finish_unmap_qid_procedures(struct dlb2_hw *hw);
+
+/**
+ * dlb2_finish_map_qid_procedures() - finish any pending map procedures
+ * @hw: dlb2_hw handle for a particular device.
+ *
+ * This function attempts to finish any outstanding map procedures.
+ * This function should be called by the kernel thread responsible for
+ * finishing map/unmap procedures.
+ *
+ * Return:
+ * Returns the number of procedures that weren't completed.
+ */
+unsigned int dlb2_finish_map_qid_procedures(struct dlb2_hw *hw);
+
+/**
+ * dlb2_hw_enable_ldb_port() - enable a load-balanced port for scheduling
+ * @hw: dlb2_hw handle for a particular device.
+ * @domain_id: domain ID.
+ * @args: port enable arguments.
+ * @resp: response structure.
+ * @vdev_request: indicates whether this request came from a vdev.
+ * @vdev_id: If vdev_request is true, this contains the vdev's ID.
+ *
+ * This function configures the DLB to schedule QEs to a load-balanced port.
+ * Ports are enabled by default.
+ *
+ * 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 dlb2_error.
+ *
+ * Errors:
+ * EINVAL - The port ID is invalid or the domain is not configured.
+ * EFAULT - Internal error (resp->status not set).
+ */
+int dlb2_hw_enable_ldb_port(struct dlb2_hw *hw,
+			    u32 domain_id,
+			    struct dlb2_enable_ldb_port_args *args,
+			    struct dlb2_cmd_response *resp,
+			    bool vdev_request,
+			    unsigned int vdev_id);
+
+/**
+ * dlb2_hw_disable_ldb_port() - disable a load-balanced port for scheduling
+ * @hw: dlb2_hw handle for a particular device.
+ * @domain_id: domain ID.
+ * @args: port disable arguments.
+ * @resp: response structure.
+ * @vdev_request: indicates whether this request came from a vdev.
+ * @vdev_id: If vdev_request is true, this contains the vdev's ID.
+ *
+ * This function configures the DLB to stop scheduling QEs to a load-balanced
+ * port. Ports are enabled by default.
+ *
+ * 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 dlb2_error.
+ *
+ * Errors:
+ * EINVAL - The port ID is invalid or the domain is not configured.
+ * EFAULT - Internal error (resp->status not set).
+ */
+int dlb2_hw_disable_ldb_port(struct dlb2_hw *hw,
+			     u32 domain_id,
+			     struct dlb2_disable_ldb_port_args *args,
+			     struct dlb2_cmd_response *resp,
+			     bool vdev_request,
+			     unsigned int vdev_id);
+
+/**
+ * dlb2_hw_enable_dir_port() - enable a directed port for scheduling
+ * @hw: dlb2_hw handle for a particular device.
+ * @domain_id: domain ID.
+ * @args: port enable arguments.
+ * @resp: response structure.
+ * @vdev_request: indicates whether this request came from a vdev.
+ * @vdev_id: If vdev_request is true, this contains the vdev's ID.
+ *
+ * This function configures the DLB to schedule QEs to a directed port.
+ * Ports are enabled by default.
+ *
+ * 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 dlb2_error.
+ *
+ * Errors:
+ * EINVAL - The port ID is invalid or the domain is not configured.
+ * EFAULT - Internal error (resp->status not set).
+ */
+int dlb2_hw_enable_dir_port(struct dlb2_hw *hw,
+			    u32 domain_id,
+			    struct dlb2_enable_dir_port_args *args,
+			    struct dlb2_cmd_response *resp,
+			    bool vdev_request,
+			    unsigned int vdev_id);
+
+/**
+ * dlb2_hw_disable_dir_port() - disable a directed port for scheduling
+ * @hw: dlb2_hw handle for a particular device.
+ * @domain_id: domain ID.
+ * @args: port disable arguments.
+ * @resp: response structure.
+ * @vdev_request: indicates whether this request came from a vdev.
+ * @vdev_id: If vdev_request is true, this contains the vdev's ID.
+ *
+ * This function configures the DLB to stop scheduling QEs to a directed port.
+ * Ports are enabled by default.
+ *
+ * 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 dlb2_error.
+ *
+ * Errors:
+ * EINVAL - The port ID is invalid or the domain is not configured.
+ * EFAULT - Internal error (resp->status not set).
+ */
+int dlb2_hw_disable_dir_port(struct dlb2_hw *hw,
+			     u32 domain_id,
+			     struct dlb2_disable_dir_port_args *args,
+			     struct dlb2_cmd_response *resp,
+			     bool vdev_request,
+			     unsigned int vdev_id);
+
+/**
+ * dlb2_configure_ldb_cq_interrupt() - configure load-balanced CQ for
+ *					interrupts
+ * @hw: dlb2_hw handle for a particular device.
+ * @port_id: load-balanced port ID.
+ * @vector: interrupt vector ID. Should be 0 for MSI or compressed MSI-X mode,
+ *	    else a value up to 64.
+ * @mode: interrupt type (DLB2_CQ_ISR_MODE_MSI or DLB2_CQ_ISR_MODE_MSIX)
+ * @vf: If the port is VF-owned, the VF's ID. This is used for translating the
+ *	virtual port ID to a physical port ID. Ignored if mode is not MSI.
+ * @owner_vf: the VF to route the interrupt to. Ignore if mode is not MSI.
+ * @threshold: the minimum CQ depth at which the interrupt can fire. Must be
+ *	greater than 0.
+ *
+ * This function configures the DLB registers for load-balanced CQ's
+ * interrupts. This doesn't enable the CQ's interrupt; that can be done with
+ * dlb2_arm_cq_interrupt() or through an interrupt arm QE.
+ *
+ * Return:
+ * Returns 0 upon success, < 0 otherwise.
+ *
+ * Errors:
+ * EINVAL - The port ID is invalid.
+ */
+int dlb2_configure_ldb_cq_interrupt(struct dlb2_hw *hw,
+				    int port_id,
+				    int vector,
+				    int mode,
+				    unsigned int vf,
+				    unsigned int owner_vf,
+				    u16 threshold);
+
+/**
+ * dlb2_configure_dir_cq_interrupt() - configure directed CQ for interrupts
+ * @hw: dlb2_hw handle for a particular device.
+ * @port_id: load-balanced port ID.
+ * @vector: interrupt vector ID. Should be 0 for MSI or compressed MSI-X mode,
+ *	    else a value up to 64.
+ * @mode: interrupt type (DLB2_CQ_ISR_MODE_MSI or DLB2_CQ_ISR_MODE_MSIX)
+ * @vf: If the port is VF-owned, the VF's ID. This is used for translating the
+ *	virtual port ID to a physical port ID. Ignored if mode is not MSI.
+ * @owner_vf: the VF to route the interrupt to. Ignore if mode is not MSI.
+ * @threshold: the minimum CQ depth at which the interrupt can fire. Must be
+ *	greater than 0.
+ *
+ * This function configures the DLB registers for directed CQ's interrupts.
+ * This doesn't enable the CQ's interrupt; that can be done with
+ * dlb2_arm_cq_interrupt() or through an interrupt arm QE.
+ *
+ * Return:
+ * Returns 0 upon success, < 0 otherwise.
+ *
+ * Errors:
+ * EINVAL - The port ID is invalid.
+ */
+int dlb2_configure_dir_cq_interrupt(struct dlb2_hw *hw,
+				    int port_id,
+				    int vector,
+				    int mode,
+				    unsigned int vf,
+				    unsigned int owner_vf,
+				    u16 threshold);
+
+/**
+ * dlb2_enable_ingress_error_alarms() - enable ingress error alarm interrupts
+ * @hw: dlb2_hw handle for a particular device.
+ */
+void dlb2_enable_ingress_error_alarms(struct dlb2_hw *hw);
+
+/**
+ * dlb2_disable_ingress_error_alarms() - disable ingress error alarm interrupts
+ * @hw: dlb2_hw handle for a particular device.
+ */
+void dlb2_disable_ingress_error_alarms(struct dlb2_hw *hw);
+
+/**
+ * dlb2_set_msix_mode() - enable certain hardware alarm interrupts
+ * @hw: dlb2_hw handle for a particular device.
+ * @mode: MSI-X mode (DLB2_MSIX_MODE_PACKED or DLB2_MSIX_MODE_COMPRESSED)
+ *
+ * This function configures the hardware to use either packed or compressed
+ * mode. This function should not be called if using MSI interrupts.
+ */
+void dlb2_set_msix_mode(struct dlb2_hw *hw, int mode);
+
+/**
+ * dlb2_ack_msix_interrupt() - Ack an MSI-X interrupt
+ * @hw: dlb2_hw handle for a particular device.
+ * @vector: interrupt vector.
+ *
+ * Note: Only needed for PF service interrupts (vector 0). CQ interrupts are
+ * acked in dlb2_ack_compressed_cq_intr().
+ */
+void dlb2_ack_msix_interrupt(struct dlb2_hw *hw, int vector);
+
+/**
+ * dlb2_arm_cq_interrupt() - arm a CQ's interrupt
+ * @hw: dlb2_hw handle for a particular device.
+ * @port_id: port ID
+ * @is_ldb: true for load-balanced port, false for a directed port
+ * @vdev_request: indicates whether this request came from a vdev.
+ * @vdev_id: If vdev_request is true, this contains the vdev's ID.
+ *
+ * This function arms the CQ's interrupt. The CQ must be configured prior to
+ * calling this function.
+ *
+ * The function does no parameter validation; that is the caller's
+ * responsibility.
+ *
+ * A vdev can be either an SR-IOV virtual function or a Scalable IOV virtual
+ * device.
+ *
+ * Return: returns 0 upon success, <0 otherwise.
+ *
+ * EINVAL - Invalid port ID.
+ */
+int dlb2_arm_cq_interrupt(struct dlb2_hw *hw,
+			  int port_id,
+			  bool is_ldb,
+			  bool vdev_request,
+			  unsigned int vdev_id);
+
+/**
+ * dlb2_read_compressed_cq_intr_status() - read compressed CQ interrupt status
+ * @hw: dlb2_hw handle for a particular device.
+ * @ldb_interrupts: 2-entry array of u32 bitmaps
+ * @dir_interrupts: 4-entry array of u32 bitmaps
+ *
+ * This function can be called from a compressed CQ interrupt handler to
+ * determine which CQ interrupts have fired. The caller should take appropriate
+ * (such as waking threads blocked on a CQ's interrupt) then ack the interrupts
+ * with dlb2_ack_compressed_cq_intr().
+ */
+void dlb2_read_compressed_cq_intr_status(struct dlb2_hw *hw,
+					 u32 *ldb_interrupts,
+					 u32 *dir_interrupts);
+
+/**
+ * dlb2_ack_compressed_cq_intr_status() - ack compressed CQ interrupts
+ * @hw: dlb2_hw handle for a particular device.
+ * @ldb_interrupts: 2-entry array of u32 bitmaps
+ * @dir_interrupts: 4-entry array of u32 bitmaps
+ *
+ * This function ACKs compressed CQ interrupts. Its arguments should be the
+ * same ones passed to dlb2_read_compressed_cq_intr_status().
+ */
+void dlb2_ack_compressed_cq_intr(struct dlb2_hw *hw,
+				 u32 *ldb_interrupts,
+				 u32 *dir_interrupts);
+
+/**
+ * dlb2_read_vf_intr_status() - read the VF interrupt status register
+ * @hw: dlb2_hw handle for a particular device.
+ *
+ * This function can be called from a VF's interrupt handler to determine
+ * which interrupts have fired. The first 31 bits correspond to CQ interrupt
+ * vectors, and the final bit is for the PF->VF mailbox interrupt vector.
+ *
+ * Return:
+ * Returns a bit vector indicating which interrupt vectors are active.
+ */
+u32 dlb2_read_vf_intr_status(struct dlb2_hw *hw);
+
+/**
+ * dlb2_ack_vf_intr_status() - ack VF interrupts
+ * @hw: dlb2_hw handle for a particular device.
+ * @interrupts: 32-bit bitmap
+ *
+ * This function ACKs a VF's interrupts. Its interrupts argument should be the
+ * value returned by dlb2_read_vf_intr_status().
+ */
+void dlb2_ack_vf_intr_status(struct dlb2_hw *hw, u32 interrupts);
+
+/**
+ * dlb2_ack_vf_msi_intr() - ack VF MSI interrupt
+ * @hw: dlb2_hw handle for a particular device.
+ * @interrupts: 32-bit bitmap
+ *
+ * This function clears the VF's MSI interrupt pending register. Its interrupts
+ * argument should be contain the MSI vectors to ACK. For example, if MSI MME
+ * is in mode 0, then one bit 0 should ever be set.
+ */
+void dlb2_ack_vf_msi_intr(struct dlb2_hw *hw, u32 interrupts);
+
+/**
+ * dlb2_ack_pf_mbox_int() - ack PF->VF mailbox interrupt
+ * @hw: dlb2_hw handle for a particular device.
+ *
+ * When done processing the PF mailbox request, this function unsets
+ * the PF's mailbox ISR register.
+ */
+void dlb2_ack_pf_mbox_int(struct dlb2_hw *hw);
+
+/**
+ * dlb2_read_vdev_to_pf_int_bitvec() - return a bit vector of all requesting
+ *					vdevs
+ * @hw: dlb2_hw handle for a particular device.
+ *
+ * When the vdev->PF ISR fires, this function can be called to determine which
+ * vdev(s) are requesting service. This bitvector must be passed to
+ * dlb2_ack_vdev_to_pf_int() when processing is complete for all requesting
+ * vdevs.
+ *
+ * A vdev can be either an SR-IOV virtual function or a Scalable IOV virtual
+ * device.
+ *
+ * Return:
+ * Returns a bit vector indicating which VFs (0-15) have requested service.
+ */
+u32 dlb2_read_vdev_to_pf_int_bitvec(struct dlb2_hw *hw);
+
+/**
+ * dlb2_ack_vdev_mbox_int() - ack processed vdev->PF mailbox interrupt
+ * @hw: dlb2_hw handle for a particular device.
+ * @bitvec: bit vector returned by dlb2_read_vdev_to_pf_int_bitvec()
+ *
+ * When done processing all VF mailbox requests, this function unsets the VF's
+ * mailbox ISR register.
+ *
+ * A vdev can be either an SR-IOV virtual function or a Scalable IOV virtual
+ * device.
+ */
+void dlb2_ack_vdev_mbox_int(struct dlb2_hw *hw, u32 bitvec);
+
+/**
+ * dlb2_read_vf_flr_int_bitvec() - return a bit vector of all VFs requesting
+ *				    FLR
+ * @hw: dlb2_hw handle for a particular device.
+ *
+ * When the VF FLR ISR fires, this function can be called to determine which
+ * VF(s) are requesting FLRs. This bitvector must passed to
+ * dlb2_ack_vf_flr_int() when processing is complete for all requesting VFs.
+ *
+ * Return:
+ * Returns a bit vector indicating which VFs (0-15) have requested FLRs.
+ */
+u32 dlb2_read_vf_flr_int_bitvec(struct dlb2_hw *hw);
+
+/**
+ * dlb2_ack_vf_flr_int() - ack processed VF<->PF interrupt(s)
+ * @hw: dlb2_hw handle for a particular device.
+ * @bitvec: bit vector returned by dlb2_read_vf_flr_int_bitvec()
+ *
+ * When done processing all VF FLR requests, this function unsets the VF's FLR
+ * ISR register.
+ */
+void dlb2_ack_vf_flr_int(struct dlb2_hw *hw, u32 bitvec);
+
+/**
+ * dlb2_ack_vdev_to_pf_int() - ack processed VF mbox and FLR interrupt(s)
+ * @hw: dlb2_hw handle for a particular device.
+ * @mbox_bitvec: bit vector returned by dlb2_read_vdev_to_pf_int_bitvec()
+ * @flr_bitvec: bit vector returned by dlb2_read_vf_flr_int_bitvec()
+ *
+ * When done processing all VF requests, this function communicates to the
+ * hardware that processing is complete.
+ *
+ * A vdev can be either an SR-IOV virtual function or a Scalable IOV virtual
+ * device.
+ */
+void dlb2_ack_vdev_to_pf_int(struct dlb2_hw *hw,
+			     u32 mbox_bitvec,
+			     u32 flr_bitvec);
+
+/**
+ * dlb2_process_wdt_interrupt() - process watchdog timer interrupts
+ * @hw: dlb2_hw handle for a particular device.
+ *
+ * This function reads the watchdog timer interrupt cause registers to
+ * determine which port(s) had a watchdog timeout, and notifies the
+ * application(s) that own the port(s).
+ */
+void dlb2_process_wdt_interrupt(struct dlb2_hw *hw);
+
+/**
+ * dlb2_process_alarm_interrupt() - process an alarm interrupt
+ * @hw: dlb2_hw handle for a particular device.
+ *
+ * This function reads and logs the alarm syndrome, then acks the interrupt.
+ * This function should be called from the alarm interrupt handler when
+ * interrupt vector DLB2_INT_ALARM fires.
+ */
+void dlb2_process_alarm_interrupt(struct dlb2_hw *hw);
+
+/**
+ * dlb2_process_ingress_error_interrupt() - process ingress error interrupts
+ * @hw: dlb2_hw handle for a particular device.
+ *
+ * This function reads the alarm syndrome, logs it, notifies user-space, and
+ * acks the interrupt. This function should be called from the alarm interrupt
+ * handler when interrupt vector DLB2_INT_INGRESS_ERROR fires.
+ *
+ * Return:
+ * Returns true if an ingress error interrupt occurred, false otherwise
+ */
+bool dlb2_process_ingress_error_interrupt(struct dlb2_hw *hw);
+
+/**
+ * dlb2_get_group_sequence_numbers() - return a group's number of SNs per queue
+ * @hw: dlb2_hw handle for a particular device.
+ * @group_id: sequence number group ID.
+ *
+ * This function returns the configured number of sequence numbers per queue
+ * for the specified group.
+ *
+ * Return:
+ * Returns -EINVAL if group_id is invalid, else the group's SNs per queue.
+ */
+int dlb2_get_group_sequence_numbers(struct dlb2_hw *hw,
+				    unsigned int group_id);
+
+/**
+ * dlb2_get_group_sequence_number_occupancy() - return a group's in-use slots
+ * @hw: dlb2_hw handle for a particular device.
+ * @group_id: sequence number group ID.
+ *
+ * This function returns the group's number of in-use slots (i.e. load-balanced
+ * queues using the specified group).
+ *
+ * Return:
+ * Returns -EINVAL if group_id is invalid, else the group's SNs per queue.
+ */
+int dlb2_get_group_sequence_number_occupancy(struct dlb2_hw *hw,
+					     unsigned int group_id);
+
+/**
+ * dlb2_set_group_sequence_numbers() - assign a group's number of SNs per queue
+ * @hw: dlb2_hw handle for a particular device.
+ * @group_id: sequence number group ID.
+ * @val: requested amount of sequence numbers per queue.
+ *
+ * This function configures the group's number of sequence numbers per queue.
+ * val can be a power-of-two between 32 and 1024, inclusive. This setting can
+ * be configured until the first ordered load-balanced queue is configured, at
+ * which point the configuration is locked.
+ *
+ * Return:
+ * Returns 0 upon success; -EINVAL if group_id or val is invalid, -EPERM if an
+ * ordered queue is configured.
+ */
+int dlb2_set_group_sequence_numbers(struct dlb2_hw *hw,
+				    unsigned int group_id,
+				    unsigned long val);
+
+/**
+ * dlb2_reset_domain() - reset a scheduling domain
+ * @hw: dlb2_hw handle for a particular device.
+ * @domain_id: domain ID.
+ * @vdev_request: indicates whether this request came from a vdev.
+ * @vdev_id: If vdev_request is true, this contains the vdev's ID.
+ *
+ * This function resets and frees a DLB 2.0 scheduling domain and its associated
+ * resources.
+ *
+ * Pre-condition: the driver must ensure software has stopped sending QEs
+ * through this domain's producer ports before invoking this function, or
+ * undefined behavior will result.
+ *
+ * A vdev can be either an SR-IOV virtual function or a Scalable IOV virtual
+ * device.
+ *
+ * Return:
+ * Returns 0 upon success, -1 otherwise.
+ *
+ * EINVAL - Invalid domain ID, or the domain is not configured.
+ * EFAULT - Internal error. (Possibly caused if software is the pre-condition
+ *	    is not met.)
+ * ETIMEDOUT - Hardware component didn't reset in the expected time.
+ */
+int dlb2_reset_domain(struct dlb2_hw *hw,
+		      u32 domain_id,
+		      bool vdev_request,
+		      unsigned int vdev_id);
+
+/**
+ * dlb2_ldb_port_owned_by_domain() - query whether a port is owned by a domain
+ * @hw: dlb2_hw handle for a particular device.
+ * @domain_id: domain ID.
+ * @port_id: indicates whether this request came from a VF.
+ * @vdev_request: indicates whether this request came from a vdev.
+ * @vdev_id: If vdev_request is true, this contains the vdev's ID.
+ *
+ * This function returns whether a load-balanced port is owned by a specified
+ * domain.
+ *
+ * A vdev can be either an SR-IOV virtual function or a Scalable IOV virtual
+ * device.
+ *
+ * Return:
+ * Returns 0 if false, 1 if true, <0 otherwise.
+ *
+ * EINVAL - Invalid domain or port ID, or the domain is not configured.
+ */
+int dlb2_ldb_port_owned_by_domain(struct dlb2_hw *hw,
+				  u32 domain_id,
+				  u32 port_id,
+				  bool vdev_request,
+				  unsigned int vdev_id);
+
+/**
+ * dlb2_dir_port_owned_by_domain() - query whether a port is owned by a domain
+ * @hw: dlb2_hw handle for a particular device.
+ * @domain_id: domain ID.
+ * @port_id: indicates whether this request came from a VF.
+ * @vdev_request: indicates whether this request came from a vdev.
+ * @vdev_id: If vdev_request is true, this contains the vdev's ID.
+ *
+ * This function returns whether a directed port is owned by a specified
+ * domain.
+ *
+ * A vdev can be either an SR-IOV virtual function or a Scalable IOV virtual
+ * device.
+ *
+ * Return:
+ * Returns 0 if false, 1 if true, <0 otherwise.
+ *
+ * EINVAL - Invalid domain or port ID, or the domain is not configured.
+ */
+int dlb2_dir_port_owned_by_domain(struct dlb2_hw *hw,
+				  u32 domain_id,
+				  u32 port_id,
+				  bool vdev_request,
+				  unsigned int vdev_id);
+
+/**
+ * dlb2_hw_get_num_resources() - query the PCI function's available resources
+ * @hw: dlb2_hw handle for a particular device.
+ * @arg: pointer to resource counts.
+ * @vdev_request: indicates whether this request came from a vdev.
+ * @vdev_id: If vdev_request is true, this contains the vdev's ID.
+ *
+ * This function returns the number of available resources for the PF or for a
+ * VF.
+ *
+ * A vdev can be either an SR-IOV virtual function or a Scalable IOV virtual
+ * device.
+ *
+ * Return:
+ * Returns 0 upon success, -EINVAL if vdev_request is true and vdev_id is
+ * invalid.
+ */
+int dlb2_hw_get_num_resources(struct dlb2_hw *hw,
+			      struct dlb2_get_num_resources_args *arg,
+			      bool vdev_request,
+			      unsigned int vdev_id);
+
+/**
+ * dlb2_hw_get_num_used_resources() - query the PCI function's used resources
+ * @hw: dlb2_hw handle for a particular device.
+ * @arg: pointer to resource counts.
+ * @vdev_request: indicates whether this request came from a vdev.
+ * @vdev_id: If vdev_request is true, this contains the vdev's ID.
+ *
+ * This function returns the number of resources in use by the PF or a VF. It
+ * fills in the fields that args points to, except the following:
+ * - max_contiguous_atomic_inflights
+ * - max_contiguous_hist_list_entries
+ * - max_contiguous_ldb_credits
+ * - max_contiguous_dir_credits
+ *
+ * A vdev can be either an SR-IOV virtual function or a Scalable IOV virtual
+ * device.
+ *
+ * Return:
+ * Returns 0 upon success, -EINVAL if vdev_request is true and vdev_id is
+ * invalid.
+ */
+int dlb2_hw_get_num_used_resources(struct dlb2_hw *hw,
+				   struct dlb2_get_num_resources_args *arg,
+				   bool vdev_request,
+				   unsigned int vdev_id);
+
+/**
+ * dlb2_send_async_vdev_to_pf_msg() - (vdev only) send a mailbox message to
+ *				       the PF
+ * @hw: dlb2_hw handle for a particular device.
+ *
+ * This function sends a VF->PF mailbox message. It is asynchronous, so it
+ * returns once the message is sent but potentially before the PF has processed
+ * the message. The caller must call dlb2_vdev_to_pf_complete() to determine
+ * when the PF has finished processing the request.
+ *
+ * A vdev can be either an SR-IOV virtual function or a Scalable IOV virtual
+ * device.
+ */
+void dlb2_send_async_vdev_to_pf_msg(struct dlb2_hw *hw);
+
+/**
+ * dlb2_vdev_to_pf_complete() - check the status of an asynchronous mailbox
+ *				 request
+ * @hw: dlb2_hw handle for a particular device.
+ *
+ * This function returns a boolean indicating whether the PF has finished
+ * processing a VF->PF mailbox request. It should only be called after sending
+ * an asynchronous request with dlb2_send_async_vdev_to_pf_msg().
+ *
+ * A vdev can be either an SR-IOV virtual function or a Scalable IOV virtual
+ * device.
+ */
+bool dlb2_vdev_to_pf_complete(struct dlb2_hw *hw);
+
+/**
+ * dlb2_vf_flr_complete() - check the status of a VF FLR
+ * @hw: dlb2_hw handle for a particular device.
+ *
+ * This function returns a boolean indicating whether the PF has finished
+ * executing the VF FLR. It should only be called after setting the VF's FLR
+ * bit.
+ */
+bool dlb2_vf_flr_complete(struct dlb2_hw *hw);
+
+/**
+ * dlb2_send_async_pf_to_vdev_msg() - (PF only) send a mailbox message to a
+ *					vdev
+ * @hw: dlb2_hw handle for a particular device.
+ * @vdev_id: vdev ID.
+ *
+ * This function sends a PF->vdev mailbox message. It is asynchronous, so it
+ * returns once the message is sent but potentially before the vdev has
+ * processed the message. The caller must call dlb2_pf_to_vdev_complete() to
+ * determine when the vdev has finished processing the request.
+ *
+ * A vdev can be either an SR-IOV virtual function or a Scalable IOV virtual
+ * device.
+ */
+void dlb2_send_async_pf_to_vdev_msg(struct dlb2_hw *hw, unsigned int vdev_id);
+
+/**
+ * dlb2_pf_to_vdev_complete() - check the status of an asynchronous mailbox
+ *			       request
+ * @hw: dlb2_hw handle for a particular device.
+ * @vdev_id: vdev ID.
+ *
+ * This function returns a boolean indicating whether the vdev has finished
+ * processing a PF->vdev mailbox request. It should only be called after
+ * sending an asynchronous request with dlb2_send_async_pf_to_vdev_msg().
+ *
+ * A vdev can be either an SR-IOV virtual function or a Scalable IOV virtual
+ * device.
+ */
+bool dlb2_pf_to_vdev_complete(struct dlb2_hw *hw, unsigned int vdev_id);
+
+/**
+ * dlb2_pf_read_vf_mbox_req() - (PF only) read a VF->PF mailbox request
+ * @hw: dlb2_hw handle for a particular device.
+ * @vf_id: VF ID.
+ * @data: pointer to message data.
+ * @len: size, in bytes, of the data array.
+ *
+ * This function copies one of the PF's VF->PF mailboxes into the array pointed
+ * to by data.
+ *
+ * Return:
+ * Returns 0 upon success, <0 otherwise.
+ *
+ * EINVAL - len >= DLB2_VF2PF_REQ_BYTES.
+ */
+int dlb2_pf_read_vf_mbox_req(struct dlb2_hw *hw,
+			     unsigned int vf_id,
+			     void *data,
+			     int len);
+
+/**
+ * dlb2_pf_read_vf_mbox_resp() - (PF only) read a VF->PF mailbox response
+ * @hw: dlb2_hw handle for a particular device.
+ * @vf_id: VF ID.
+ * @data: pointer to message data.
+ * @len: size, in bytes, of the data array.
+ *
+ * This function copies one of the PF's VF->PF mailboxes into the array pointed
+ * to by data.
+ *
+ * Return:
+ * Returns 0 upon success, <0 otherwise.
+ *
+ * EINVAL - len >= DLB2_VF2PF_RESP_BYTES.
+ */
+int dlb2_pf_read_vf_mbox_resp(struct dlb2_hw *hw,
+			      unsigned int vf_id,
+			      void *data,
+			      int len);
+
+/**
+ * dlb2_pf_write_vf_mbox_resp() - (PF only) write a PF->VF mailbox response
+ * @hw: dlb2_hw handle for a particular device.
+ * @vf_id: VF ID.
+ * @data: pointer to message data.
+ * @len: size, in bytes, of the data array.
+ *
+ * This function copies the user-provided message data into of the PF's VF->PF
+ * mailboxes.
+ *
+ * Return:
+ * Returns 0 upon success, <0 otherwise.
+ *
+ * EINVAL - len >= DLB2_PF2VF_RESP_BYTES.
+ */
+int dlb2_pf_write_vf_mbox_resp(struct dlb2_hw *hw,
+			       unsigned int vf_id,
+			       void *data,
+			       int len);
+
+/**
+ * dlb2_pf_write_vf_mbox_req() - (PF only) write a PF->VF mailbox request
+ * @hw: dlb2_hw handle for a particular device.
+ * @vf_id: VF ID.
+ * @data: pointer to message data.
+ * @len: size, in bytes, of the data array.
+ *
+ * This function copies the user-provided message data into of the PF's VF->PF
+ * mailboxes.
+ *
+ * Return:
+ * Returns 0 upon success, <0 otherwise.
+ *
+ * EINVAL - len >= DLB2_PF2VF_REQ_BYTES.
+ */
+int dlb2_pf_write_vf_mbox_req(struct dlb2_hw *hw,
+			      unsigned int vf_id,
+			      void *data,
+			      int len);
+
+/**
+ * dlb2_vf_read_pf_mbox_resp() - (VF only) read a PF->VF mailbox response
+ * @hw: dlb2_hw handle for a particular device.
+ * @data: pointer to message data.
+ * @len: size, in bytes, of the data array.
+ *
+ * This function copies the VF's PF->VF mailbox into the array pointed to by
+ * data.
+ *
+ * Return:
+ * Returns 0 upon success, <0 otherwise.
+ *
+ * EINVAL - len >= DLB2_PF2VF_RESP_BYTES.
+ */
+int dlb2_vf_read_pf_mbox_resp(struct dlb2_hw *hw, void *data, int len);
+
+/**
+ * dlb2_vf_read_pf_mbox_req() - (VF only) read a PF->VF mailbox request
+ * @hw: dlb2_hw handle for a particular device.
+ * @data: pointer to message data.
+ * @len: size, in bytes, of the data array.
+ *
+ * This function copies the VF's PF->VF mailbox into the array pointed to by
+ * data.
+ *
+ * Return:
+ * Returns 0 upon success, <0 otherwise.
+ *
+ * EINVAL - len >= DLB2_PF2VF_REQ_BYTES.
+ */
+int dlb2_vf_read_pf_mbox_req(struct dlb2_hw *hw, void *data, int len);
+
+/**
+ * dlb2_vf_write_pf_mbox_req() - (VF only) write a VF->PF mailbox request
+ * @hw: dlb2_hw handle for a particular device.
+ * @data: pointer to message data.
+ * @len: size, in bytes, of the data array.
+ *
+ * This function copies the user-provided message data into of the VF's PF->VF
+ * mailboxes.
+ *
+ * Return:
+ * Returns 0 upon success, <0 otherwise.
+ *
+ * EINVAL - len >= DLB2_VF2PF_REQ_BYTES.
+ */
+int dlb2_vf_write_pf_mbox_req(struct dlb2_hw *hw, void *data, int len);
+
+/**
+ * dlb2_vf_write_pf_mbox_resp() - (VF only) write a VF->PF mailbox response
+ * @hw: dlb2_hw handle for a particular device.
+ * @data: pointer to message data.
+ * @len: size, in bytes, of the data array.
+ *
+ * This function copies the user-provided message data into of the VF's PF->VF
+ * mailboxes.
+ *
+ * Return:
+ * Returns 0 upon success, <0 otherwise.
+ *
+ * EINVAL - len >= DLB2_VF2PF_RESP_BYTES.
+ */
+int dlb2_vf_write_pf_mbox_resp(struct dlb2_hw *hw, void *data, int len);
+
+/**
+ * dlb2_reset_vdev() - reset the hardware owned by a virtual device
+ * @hw: dlb2_hw handle for a particular device.
+ * @id: virtual device ID
+ *
+ * This function resets the hardware owned by a vdev, by resetting the vdev's
+ * domains one by one.
+ *
+ * A vdev can be either an SR-IOV virtual function or a Scalable IOV virtual
+ * device.
+ */
+int dlb2_reset_vdev(struct dlb2_hw *hw, unsigned int id);
+
+/**
+ * dlb2_vdev_is_locked() - check whether the vdev's resources are locked
+ * @hw: dlb2_hw handle for a particular device.
+ * @id: virtual device ID
+ *
+ * This function returns whether or not the vdev's resource assignments are
+ * locked. If locked, no resources can be added to or subtracted from the
+ * group.
+ *
+ * A vdev can be either an SR-IOV virtual function or a Scalable IOV virtual
+ * device.
+ */
+bool dlb2_vdev_is_locked(struct dlb2_hw *hw, unsigned int id);
+
+/**
+ * dlb2_lock_vdev() - lock the vdev's resources
+ * @hw: dlb2_hw handle for a particular device.
+ * @id: virtual device ID
+ *
+ * This function sets a flag indicating that the vdev is using its resources.
+ * When the vdev is locked, its resource assignment cannot be changed.
+ *
+ * A vdev can be either an SR-IOV virtual function or a Scalable IOV virtual
+ * device.
+ */
+void dlb2_lock_vdev(struct dlb2_hw *hw, unsigned int id);
+
+/**
+ * dlb2_unlock_vdev() - unlock the vdev's resources
+ * @hw: dlb2_hw handle for a particular device.
+ * @id: virtual device ID
+ *
+ * This function unlocks the vdev's resource assignment, allowing it to be
+ * modified.
+ *
+ * A vdev can be either an SR-IOV virtual function or a Scalable IOV virtual
+ * device.
+ */
+void dlb2_unlock_vdev(struct dlb2_hw *hw, unsigned int id);
+
+/**
+ * dlb2_update_vdev_sched_domains() - update the domains assigned to a vdev
+ * @hw: dlb2_hw handle for a particular device.
+ * @id: virtual device ID
+ * @num: number of scheduling domains to assign to this vdev
+ *
+ * This function assigns num scheduling domains to the specified vdev. If the
+ * vdev already has domains assigned, this existing assignment is adjusted
+ * accordingly.
+ *
+ * A vdev can be either an SR-IOV virtual function or a Scalable IOV virtual
+ * device.
+ *
+ * Return:
+ * Returns 0 upon success, <0 otherwise.
+ *
+ * Errors:
+ * EINVAL - id is invalid, or the requested number of resources are
+ *	    unavailable.
+ * EPERM  - The vdev's resource assignment is locked and cannot be changed.
+ */
+int dlb2_update_vdev_sched_domains(struct dlb2_hw *hw, u32 id, u32 num);
+
+/**
+ * dlb2_update_vdev_ldb_queues() - update the LDB queues assigned to a vdev
+ * @hw: dlb2_hw handle for a particular device.
+ * @id: virtual device ID
+ * @num: number of LDB queues to assign to this vdev
+ *
+ * This function assigns num LDB queues to the specified vdev. If the vdev
+ * already has LDB queues assigned, this existing assignment is adjusted
+ * accordingly.
+ *
+ * A vdev can be either an SR-IOV virtual function or a Scalable IOV virtual
+ * device.
+ *
+ * Return:
+ * Returns 0 upon success, <0 otherwise.
+ *
+ * Errors:
+ * EINVAL - id is invalid, or the requested number of resources are
+ *	    unavailable.
+ * EPERM  - The vdev's resource assignment is locked and cannot be changed.
+ */
+int dlb2_update_vdev_ldb_queues(struct dlb2_hw *hw, u32 id, u32 num);
+
+/**
+ * dlb2_update_vdev_ldb_ports() - update the LDB ports assigned to a vdev
+ * @hw: dlb2_hw handle for a particular device.
+ * @id: virtual device ID
+ * @num: number of LDB ports to assign to this vdev
+ *
+ * This function assigns num LDB ports to the specified vdev. If the vdev
+ * already has LDB ports assigned, this existing assignment is adjusted
+ * accordingly.
+ *
+ * A vdev can be either an SR-IOV virtual function or a Scalable IOV virtual
+ * device.
+ *
+ * Return:
+ * Returns 0 upon success, <0 otherwise.
+ *
+ * Errors:
+ * EINVAL - id is invalid, or the requested number of resources are
+ *	    unavailable.
+ * EPERM  - The vdev's resource assignment is locked and cannot be changed.
+ */
+int dlb2_update_vdev_ldb_ports(struct dlb2_hw *hw, u32 id, u32 num);
+
+/**
+ * dlb2_update_vdev_ldb_cos_ports() - update the LDB ports assigned to a vdev
+ * @hw: dlb2_hw handle for a particular device.
+ * @id: virtual device ID
+ * @cos: class-of-service ID
+ * @num: number of LDB ports to assign to this vdev
+ *
+ * This function assigns num LDB ports from class-of-service cos to the
+ * specified vdev. If the vdev already has LDB ports from this class-of-service
+ * assigned, this existing assignment is adjusted accordingly.
+ *
+ * A vdev can be either an SR-IOV virtual function or a Scalable IOV virtual
+ * device.
+ *
+ * Return:
+ * Returns 0 upon success, <0 otherwise.
+ *
+ * Errors:
+ * EINVAL - id is invalid, or the requested number of resources are
+ *	    unavailable.
+ * EPERM  - The vdev's resource assignment is locked and cannot be changed.
+ */
+int dlb2_update_vdev_ldb_cos_ports(struct dlb2_hw *hw,
+				   u32 id,
+				   u32 cos,
+				   u32 num);
+
+/**
+ * dlb2_update_vdev_dir_ports() - update the DIR ports assigned to a vdev
+ * @hw: dlb2_hw handle for a particular device.
+ * @id: virtual device ID
+ * @num: number of DIR ports to assign to this vdev
+ *
+ * This function assigns num DIR ports to the specified vdev. If the vdev
+ * already has DIR ports assigned, this existing assignment is adjusted
+ * accordingly.
+ *
+ * A vdev can be either an SR-IOV virtual function or a Scalable IOV virtual
+ * device.
+ *
+ * Return:
+ * Returns 0 upon success, <0 otherwise.
+ *
+ * Errors:
+ * EINVAL - id is invalid, or the requested number of resources are
+ *	    unavailable.
+ * EPERM  - The vdev's resource assignment is locked and cannot be changed.
+ */
+int dlb2_update_vdev_dir_ports(struct dlb2_hw *hw, u32 id, u32 num);
+
+/**
+ * dlb2_update_vdev_ldb_credits() - update the vdev's assigned LDB credits
+ * @hw: dlb2_hw handle for a particular device.
+ * @id: virtual device ID
+ * @num: number of LDB credit credits to assign to this vdev
+ *
+ * This function assigns num LDB credit to the specified vdev. If the vdev
+ * already has LDB credits assigned, this existing assignment is adjusted
+ * accordingly. vdevs are assigned a contiguous chunk of credits, so this
+ * function may fail if a sufficiently large contiguous chunk is not available.
+ *
+ * A vdev can be either an SR-IOV virtual function or a Scalable IOV virtual
+ * device.
+ *
+ * Return:
+ * Returns 0 upon success, <0 otherwise.
+ *
+ * Errors:
+ * EINVAL - id is invalid, or the requested number of resources are
+ *	    unavailable.
+ * EPERM  - The vdev's resource assignment is locked and cannot be changed.
+ */
+int dlb2_update_vdev_ldb_credits(struct dlb2_hw *hw, u32 id, u32 num);
+
+/**
+ * dlb2_update_vdev_dir_credits() - update the vdev's assigned DIR credits
+ * @hw: dlb2_hw handle for a particular device.
+ * @id: virtual device ID
+ * @num: number of DIR credits to assign to this vdev
+ *
+ * This function assigns num DIR credit to the specified vdev. If the vdev
+ * already has DIR credits assigned, this existing assignment is adjusted
+ * accordingly. vdevs are assigned a contiguous chunk of credits, so this
+ * function may fail if a sufficiently large contiguous chunk is not available.
+ *
+ * A vdev can be either an SR-IOV virtual function or a Scalable IOV virtual
+ * device.
+ *
+ * Return:
+ * Returns 0 upon success, <0 otherwise.
+ *
+ * Errors:
+ * EINVAL - id is invalid, or the requested number of resources are
+ *	    unavailable.
+ * EPERM  - The vdev's resource assignment is locked and cannot be changed.
+ */
+int dlb2_update_vdev_dir_credits(struct dlb2_hw *hw, u32 id, u32 num);
+
+/**
+ * dlb2_update_vdev_hist_list_entries() - update the vdev's assigned HL entries
+ * @hw: dlb2_hw handle for a particular device.
+ * @id: virtual device ID
+ * @num: number of history list entries to assign to this vdev
+ *
+ * This function assigns num history list entries to the specified vdev. If the
+ * vdev already has history list entries assigned, this existing assignment is
+ * adjusted accordingly. vdevs are assigned a contiguous chunk of entries, so
+ * this function may fail if a sufficiently large contiguous chunk is not
+ * available.
+ *
+ * A vdev can be either an SR-IOV virtual function or a Scalable IOV virtual
+ * device.
+ *
+ * Return:
+ * Returns 0 upon success, <0 otherwise.
+ *
+ * Errors:
+ * EINVAL - id is invalid, or the requested number of resources are
+ *	    unavailable.
+ * EPERM  - The vdev's resource assignment is locked and cannot be changed.
+ */
+int dlb2_update_vdev_hist_list_entries(struct dlb2_hw *hw, u32 id, u32 num);
+
+/**
+ * dlb2_update_vdev_atomic_inflights() - update the vdev's atomic inflights
+ * @hw: dlb2_hw handle for a particular device.
+ * @id: virtual device ID
+ * @num: number of atomic inflights to assign to this vdev
+ *
+ * This function assigns num atomic inflights to the specified vdev. If the vdev
+ * already has atomic inflights assigned, this existing assignment is adjusted
+ * accordingly. vdevs are assigned a contiguous chunk of entries, so this
+ * function may fail if a sufficiently large contiguous chunk is not available.
+ *
+ * A vdev can be either an SR-IOV virtual function or a Scalable IOV virtual
+ * device.
+ *
+ * Return:
+ * Returns 0 upon success, <0 otherwise.
+ *
+ * Errors:
+ * EINVAL - id is invalid, or the requested number of resources are
+ *	    unavailable.
+ * EPERM  - The vdev's resource assignment is locked and cannot be changed.
+ */
+int dlb2_update_vdev_atomic_inflights(struct dlb2_hw *hw, u32 id, u32 num);
+
+/**
+ * dlb2_reset_vdev_resources() - reassign the vdev's resources to the PF
+ * @hw: dlb2_hw handle for a particular device.
+ * @id: virtual device ID
+ *
+ * This function takes any resources currently assigned to the vdev and
+ * reassigns them to the PF.
+ *
+ * A vdev can be either an SR-IOV virtual function or a Scalable IOV virtual
+ * device.
+ *
+ * Return:
+ * Returns 0 upon success, <0 otherwise.
+ *
+ * Errors:
+ * EINVAL - id is invalid
+ * EPERM  - The vdev's resource assignment is locked and cannot be changed.
+ */
+int dlb2_reset_vdev_resources(struct dlb2_hw *hw, unsigned int id);
+
+/**
+ * dlb2_notify_vf() - send an alarm to a VF
+ * @hw: dlb2_hw handle for a particular device.
+ * @vf_id: VF ID
+ * @notification: notification
+ *
+ * This function sends a notification (as defined in dlb2_mbox.h) to a VF.
+ *
+ * Return:
+ * Returns 0 upon success, <0 if the VF doesn't ACK the PF->VF interrupt.
+ */
+int dlb2_notify_vf(struct dlb2_hw *hw,
+		   unsigned int vf_id,
+		   u32 notification);
+
+/**
+ * dlb2_vdev_in_use() - query whether a virtual device is in use
+ * @hw: dlb2_hw handle for a particular device.
+ * @id: virtual device ID
+ *
+ * This function sends a mailbox request to the vdev to query whether the vdev
+ * is in use.
+ *
+ * A vdev can be either an SR-IOV virtual function or a Scalable IOV virtual
+ * device.
+ *
+ * Return:
+ * Returns 0 for false, 1 for true, and <0 if the mailbox request times out or
+ * an internal error occurs.
+ */
+int dlb2_vdev_in_use(struct dlb2_hw *hw, unsigned int id);
+
+/**
+ * dlb2_clr_pmcsr_disable() - power on bulk of DLB 2.0 logic
+ * @hw: dlb2_hw handle for a particular device.
+ *
+ * Clearing the PMCSR must be done at initialization to make the device fully
+ * operational.
+ */
+void dlb2_clr_pmcsr_disable(struct dlb2_hw *hw);
+
+/**
+ * dlb2_hw_get_ldb_queue_depth() - returns the depth of a load-balanced queue
+ * @hw: dlb2_hw handle for a particular device.
+ * @domain_id: domain ID.
+ * @args: queue depth args
+ * @resp: response structure.
+ * @vdev_request: indicates whether this request came from a vdev.
+ * @vdev_id: If vdev_request is true, this contains the vdev's ID.
+ *
+ * This function returns the depth of a load-balanced queue.
+ *
+ * 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 dlb2_error. If successful, resp->id
+ * contains the depth.
+ *
+ * Errors:
+ * EINVAL - Invalid domain ID or queue ID.
+ */
+int dlb2_hw_get_ldb_queue_depth(struct dlb2_hw *hw,
+				u32 domain_id,
+				struct dlb2_get_ldb_queue_depth_args *args,
+				struct dlb2_cmd_response *resp,
+				bool vdev_request,
+				unsigned int vdev_id);
+
+/**
+ * dlb2_hw_get_dir_queue_depth() - returns the depth of a directed queue
+ * @hw: dlb2_hw handle for a particular device.
+ * @domain_id: domain ID.
+ * @args: queue depth args
+ * @resp: response structure.
+ * @vdev_request: indicates whether this request came from a vdev.
+ * @vdev_id: If vdev_request is true, this contains the vdev's ID.
+ *
+ * This function returns the depth of a directed queue.
+ *
+ * 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 dlb2_error. If successful, resp->id
+ * contains the depth.
+ *
+ * Errors:
+ * EINVAL - Invalid domain ID or queue ID.
+ */
+int dlb2_hw_get_dir_queue_depth(struct dlb2_hw *hw,
+				u32 domain_id,
+				struct dlb2_get_dir_queue_depth_args *args,
+				struct dlb2_cmd_response *resp,
+				bool vdev_request,
+				unsigned int vdev_id);
+
+enum dlb2_virt_mode {
+	DLB2_VIRT_NONE,
+	DLB2_VIRT_SRIOV,
+	DLB2_VIRT_SIOV,
+
+	/* NUM_DLB2_VIRT_MODES must be last */
+	NUM_DLB2_VIRT_MODES,
+};
+
+/**
+ * dlb2_hw_set_virt_mode() - set the device's virtualization mode
+ * @hw: dlb2_hw handle for a particular device.
+ * @mode: either none, SR-IOV, or Scalable IOV.
+ *
+ * This function sets the virtualization mode of the device. This controls
+ * whether the device uses a software or hardware mailbox.
+ *
+ * This should be called by the PF driver when either SR-IOV or Scalable IOV is
+ * selected as the virtualization mechanism, and by the VF/VDEV driver during
+ * initialization after recognizing itself as an SR-IOV or Scalable IOV device.
+ *
+ * Errors:
+ * EINVAL - Invalid mode.
+ */
+int dlb2_hw_set_virt_mode(struct dlb2_hw *hw, enum dlb2_virt_mode mode);
+
+/**
+ * dlb2_hw_get_virt_mode() - get the device's virtualization mode
+ * @hw: dlb2_hw handle for a particular device.
+ *
+ * This function gets the virtualization mode of the device.
+ */
+enum dlb2_virt_mode dlb2_hw_get_virt_mode(struct dlb2_hw *hw);
+
+/**
+ * dlb2_hw_get_ldb_port_phys_id() - get a physical port ID from its virt ID
+ * @hw: dlb2_hw handle for a particular device.
+ * @id: virtual port ID.
+ * @vdev_id: vdev ID.
+ *
+ * Return:
+ * Returns >= 0 upon success, -1 otherwise.
+ */
+s32 dlb2_hw_get_ldb_port_phys_id(struct dlb2_hw *hw,
+				 u32 id,
+				 unsigned int vdev_id);
+
+/**
+ * dlb2_hw_get_dir_port_phys_id() - get a physical port ID from its virt ID
+ * @hw: dlb2_hw handle for a particular device.
+ * @id: virtual port ID.
+ * @vdev_id: vdev ID.
+ *
+ * Return:
+ * Returns >= 0 upon success, -1 otherwise.
+ */
+s32 dlb2_hw_get_dir_port_phys_id(struct dlb2_hw *hw,
+				 u32 id,
+				 unsigned int vdev_id);
+
+/**
+ * dlb2_hw_register_sw_mbox() - register a software mailbox
+ * @hw: dlb2_hw handle for a particular device.
+ * @vdev_id: vdev ID.
+ * @vdev2pf_mbox: pointer to a 4KB memory page used for vdev->PF communication.
+ * @pf2vdev_mbox: pointer to a 4KB memory page used for PF->vdev communication.
+ * @pf2vdev_inject: callback function for injecting a PF->vdev interrupt.
+ * @inject_arg: user argument for pf2vdev_inject callback.
+ *
+ * When Scalable IOV is enabled, the VDCM must register a software mailbox for
+ * every virtual device during vdev creation.
+ *
+ * This function notifies the driver to use a software mailbox using the
+ * provided pointers, instead of the device's hardware mailbox. When the driver
+ * calls mailbox functions like dlb2_pf_write_vf_mbox_req(), the request will
+ * go to the software mailbox instead of the hardware one. This is used in
+ * Scalable IOV virtualization.
+ */
+void dlb2_hw_register_sw_mbox(struct dlb2_hw *hw,
+			      unsigned int vdev_id,
+			      u32 *vdev2pf_mbox,
+			      u32 *pf2vdev_mbox,
+			      void (*pf2vdev_inject)(void *),
+			      void *inject_arg);
+
+/**
+ * dlb2_hw_unregister_sw_mbox() - unregister a software mailbox
+ * @hw: dlb2_hw handle for a particular device.
+ * @vdev_id: vdev ID.
+ *
+ * This function notifies the driver to stop using a previously registered
+ * software mailbox.
+ */
+void dlb2_hw_unregister_sw_mbox(struct dlb2_hw *hw, unsigned int vdev_id);
+
+/**
+ * dlb2_hw_setup_cq_ims_entry() - setup a CQ's IMS entry
+ * @hw: dlb2_hw handle for a particular device.
+ * @vdev_id: vdev ID.
+ * @virt_cq_id: virtual CQ ID.
+ * @is_ldb: CQ is load-balanced.
+ * @addr_lo: least-significant 32 bits of address.
+ * @data: 32 data bits.
+ *
+ * This sets up the CQ's IMS entry with the provided address and data values.
+ * This function should only be called if the device is configured for Scalable
+ * IOV virtualization. The upper 32 address bits are fixed in hardware and thus
+ * not needed.
+ */
+void dlb2_hw_setup_cq_ims_entry(struct dlb2_hw *hw,
+				unsigned int vdev_id,
+				u32 virt_cq_id,
+				bool is_ldb,
+				u32 addr_lo,
+				u32 data);
+
+/**
+ * dlb2_hw_clear_cq_ims_entry() - clear a CQ's IMS entry
+ * @hw: dlb2_hw handle for a particular device.
+ * @vdev_id: vdev ID.
+ * @virt_cq_id: virtual CQ ID.
+ * @is_ldb: CQ is load-balanced.
+ *
+ * This clears the CQ's IMS entry, reverting it to its reset state.
+ */
+void dlb2_hw_clear_cq_ims_entry(struct dlb2_hw *hw,
+				unsigned int vdev_id,
+				u32 virt_cq_id,
+				bool is_ldb);
+
+/**
+ * dlb2_hw_register_pasid() - register a vdev's PASID
+ * @hw: dlb2_hw handle for a particular device.
+ * @vdev_id: vdev ID.
+ * @pasid: the vdev's PASID.
+ *
+ * This function stores the user-supplied PASID, and uses it when configuring
+ * the vdev's CQs.
+ *
+ * Return:
+ * Returns >= 0 upon success, -1 otherwise.
+ */
+int dlb2_hw_register_pasid(struct dlb2_hw *hw,
+			   unsigned int vdev_id,
+			   unsigned int pasid);
+
+/**
+ * dlb2_hw_pending_port_unmaps() - returns the number of unmap operations in
+ *	progress.
+ * @hw: dlb2_hw handle for a particular device.
+ * @domain_id: domain ID.
+ * @args: number of unmaps in progress args
+ * @resp: response structure.
+ * @vf_request: indicates whether this request came from a VF.
+ * @vf_id: If vf_request is true, this contains the VF's ID.
+ *
+ * Return:
+ * Returns 0 upon success, < 0 otherwise. If an error occurs, resp->status is
+ * assigned a detailed error code from enum dlb2_error. If successful, resp->id
+ * contains the number of unmaps in progress.
+ *
+ * Errors:
+ * EINVAL - Invalid port ID.
+ */
+int dlb2_hw_pending_port_unmaps(struct dlb2_hw *hw,
+				u32 domain_id,
+				struct dlb2_pending_port_unmaps_args *args,
+				struct dlb2_cmd_response *resp,
+				bool vf_request,
+				unsigned int vf_id);
+
+/**
+ * dlb2_hw_get_cos_bandwidth() - returns the percent of bandwidth allocated
+ *	to a port class-of-service.
+ * @hw: dlb2_hw handle for a particular device.
+ * @cos_id: class-of-service ID.
+ *
+ * Return:
+ * Returns -EINVAL if cos_id is invalid, else the class' bandwidth allocation.
+ */
+int dlb2_hw_get_cos_bandwidth(struct dlb2_hw *hw, u32 cos_id);
+
+/**
+ * dlb2_hw_set_cos_bandwidth() - set a bandwidth allocation percentage for a
+ *	port class-of-service.
+ * @hw: dlb2_hw handle for a particular device.
+ * @cos_id: class-of-service ID.
+ * @bandwidth: class-of-service bandwidth.
+ *
+ * Return:
+ * Returns 0 upon success, < 0 otherwise.
+ *
+ * Errors:
+ * EINVAL - Invalid cos ID, bandwidth is greater than 100, or bandwidth would
+ *	    cause the total bandwidth across all classes of service to exceed
+ *	    100%.
+ */
+int dlb2_hw_set_cos_bandwidth(struct dlb2_hw *hw, u32 cos_id, u8 bandwidth);
+
+enum dlb2_wd_tmo {
+	/* 40s watchdog timeout */
+	DLB2_WD_TMO_40S,
+	/* 10s watchdog timeout */
+	DLB2_WD_TMO_10S,
+	/* 1s watchdog timeout */
+	DLB2_WD_TMO_1S,
+
+	/* Must be last */
+	NUM_DLB2_WD_TMOS,
+};
+
+/**
+ * dlb2_hw_enable_wd_timer() - enable the CQ watchdog timers with a
+ *	caller-specified timeout.
+ * @hw: dlb2_hw handle for a particular device.
+ * @tmo: watchdog timeout.
+ *
+ * This function should be called during device initialization and after reset.
+ * The watchdog timer interrupt must also be enabled per-CQ, using either
+ * dlb2_hw_enable_dir_cq_wd_int() or dlb2_hw_enable_ldb_cq_wd_int().
+ *
+ * Return:
+ * Returns 0 upon success, < 0 otherwise.
+ *
+ * Errors:
+ * EINVAL - Invalid timeout.
+ */
+int dlb2_hw_enable_wd_timer(struct dlb2_hw *hw, enum dlb2_wd_tmo tmo);
+
+/**
+ * dlb2_hw_enable_dir_cq_wd_int() - enable the CQ watchdog interrupt on an
+ *	individual CQ.
+ * @hw: dlb2_hw handle for a particular device.
+ * @id: port ID.
+ * @vdev_req: indicates whether this request came from a vdev.
+ * @vdev_id: If vdev_request is true, this contains the vdev's ID.
+ *
+ * Return:
+ * Returns 0 upon success, < 0 otherwise.
+ *
+ * Errors:
+ * EINVAL - Invalid directed port ID.
+ */
+int dlb2_hw_enable_dir_cq_wd_int(struct dlb2_hw *hw,
+				 u32 id,
+				 bool vdev_req,
+				 unsigned int vdev_id);
+
+/**
+ * dlb2_hw_enable_ldb_cq_wd_int() - enable the CQ watchdog interrupt on an
+ *	individual CQ.
+ * @hw: dlb2_hw handle for a particular device.
+ * @id: port ID.
+ * @vdev_req: indicates whether this request came from a vdev.
+ * @vdev_id: If vdev_request is true, this contains the vdev's ID.
+ *
+ * Return:
+ * Returns 0 upon success, < 0 otherwise.
+ *
+ * Errors:
+ * EINVAL - Invalid load-balanced port ID.
+ */
+int dlb2_hw_enable_ldb_cq_wd_int(struct dlb2_hw *hw,
+				 u32 id,
+				 bool vdev_req,
+				 unsigned int vdev_id);
+
+/**
+ * dlb2_hw_enable_sparse_ldb_cq_mode() - enable sparse mode for load-balanced
+ *	ports.
+ * @hw: dlb2_hw handle for a particular device.
+ *
+ * This function must be called prior to configuring scheduling domains.
+ */
+void dlb2_hw_enable_sparse_ldb_cq_mode(struct dlb2_hw *hw);
+
+/**
+ * dlb2_hw_enable_sparse_dir_cq_mode() - enable sparse mode for directed ports.
+ * @hw: dlb2_hw handle for a particular device.
+ *
+ * This function must be called prior to configuring scheduling domains.
+ */
+void dlb2_hw_enable_sparse_dir_cq_mode(struct dlb2_hw *hw);
+
+/**
+ * dlb2_hw_set_qe_arbiter_weights() - program QE arbiter weights
+ * @hw: dlb2_hw handle for a particular device.
+ * @weight: 8-entry array of arbiter weights.
+ *
+ * weight[N] programs priority N's weight. In cases where the 8 priorities are
+ * reduced to 4 bins, the mapping is:
+ * - weight[1] programs bin 0
+ * - weight[3] programs bin 1
+ * - weight[5] programs bin 2
+ * - weight[7] programs bin 3
+ */
+void dlb2_hw_set_qe_arbiter_weights(struct dlb2_hw *hw, u8 weight[8]);
+
+/**
+ * dlb2_hw_set_qid_arbiter_weights() - program QID arbiter weights
+ * @hw: dlb2_hw handle for a particular device.
+ * @weight: 8-entry array of arbiter weights.
+ *
+ * weight[N] programs priority N's weight. In cases where the 8 priorities are
+ * reduced to 4 bins, the mapping is:
+ * - weight[1] programs bin 0
+ * - weight[3] programs bin 1
+ * - weight[5] programs bin 2
+ * - weight[7] programs bin 3
+ */
+void dlb2_hw_set_qid_arbiter_weights(struct dlb2_hw *hw, u8 weight[8]);
+
+/**
+ * dlb2_hw_ldb_cq_interrupt_enabled() - Check if the interrupt is enabled
+ * @hw: dlb2_hw handle for a particular device.
+ * @port_id: physical load-balanced port ID.
+ *
+ * This function returns whether the load-balanced CQ interrupt is enabled.
+ */
+int dlb2_hw_ldb_cq_interrupt_enabled(struct dlb2_hw *hw, int port_id);
+
+/**
+ * dlb2_hw_ldb_cq_interrupt_set_mode() - Program the CQ interrupt mode
+ * @hw: dlb2_hw handle for a particular device.
+ * @port_id: physical load-balanced port ID.
+ * @mode: interrupt type (DLB2_CQ_ISR_MODE_{DIS, MSI, MSIX, ADI})
+ *
+ * This function can be used to disable (MODE_DIS) and re-enable the
+ * load-balanced CQ's interrupt. It should only be called after the interrupt
+ * has been configured with dlb2_configure_ldb_cq_interrupt().
+ */
+void dlb2_hw_ldb_cq_interrupt_set_mode(struct dlb2_hw *hw,
+				       int port_id,
+				       int mode);
+
+/**
+ * dlb2_hw_dir_cq_interrupt_enabled() - Check if the interrupt is enabled
+ * @hw: dlb2_hw handle for a particular device.
+ * @port_id: physical load-balanced port ID.
+ *
+ * This function returns whether the load-balanced CQ interrupt is enabled.
+ */
+int dlb2_hw_dir_cq_interrupt_enabled(struct dlb2_hw *hw, int port_id);
+
+/**
+ * dlb2_hw_dir_cq_interrupt_set_mode() - Program the CQ interrupt mode
+ * @hw: dlb2_hw handle for a particular device.
+ * @port_id: physical directed port ID.
+ * @mode: interrupt type (DLB2_CQ_ISR_MODE_{DIS, MSI, MSIX, ADI})
+ *
+ * This function can be used to disable (MODE_DIS) and re-enable the
+ * directed CQ's interrupt. It should only be called after the interrupt
+ * has been configured with dlb2_configure_dir_cq_interrupt().
+ */
+void dlb2_hw_dir_cq_interrupt_set_mode(struct dlb2_hw *hw,
+				       int port_id,
+				       int mode);
+
+#endif /* __DLB2_RESOURCE_H */
diff --git a/drivers/event/dlb2/pf/dlb2_main.c b/drivers/event/dlb2/pf/dlb2_main.c
new file mode 100644
index 0000000..1c275ff
--- /dev/null
+++ b/drivers/event/dlb2/pf/dlb2_main.c
@@ -0,0 +1,620 @@
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(c) 2016-2020 Intel Corporation
+ */
+
+#include <stdint.h>
+#include <stdbool.h>
+#include <stdio.h>
+#include <errno.h>
+#include <assert.h>
+#include <unistd.h>
+#include <string.h>
+
+#include <rte_malloc.h>
+#include <rte_errno.h>
+
+#include "base/dlb2_resource.h"
+#include "base/dlb2_osdep.h"
+#include "base/dlb2_regs.h"
+#include "dlb2_main.h"
+#include "../dlb2_user.h"
+#include "../dlb2_priv.h"
+#include "../dlb2_iface.h"
+#include "../dlb2_inline_fns.h"
+
+#define PF_ID_ZERO 0	/* PF ONLY! */
+#define NO_OWNER_VF 0	/* PF ONLY! */
+#define NOT_VF_REQ false /* PF ONLY! */
+
+#define DLB2_PCI_CFG_SPACE_SIZE 256
+#define DLB2_PCI_CAP_POINTER 0x34
+#define DLB2_PCI_CAP_NEXT(hdr) (((hdr) >> 8) & 0xFC)
+#define DLB2_PCI_CAP_ID(hdr) ((hdr) & 0xFF)
+#define DLB2_PCI_EXT_CAP_NEXT(hdr) (((hdr) >> 20) & 0xFFC)
+#define DLB2_PCI_EXT_CAP_ID(hdr) ((hdr) & 0xFFFF)
+#define DLB2_PCI_EXT_CAP_ID_ERR 1
+#define DLB2_PCI_ERR_UNCOR_MASK 8
+#define DLB2_PCI_ERR_UNC_UNSUP  0x00100000
+
+#define DLB2_PCI_EXP_DEVCTL 8
+#define DLB2_PCI_LNKCTL 16
+#define DLB2_PCI_SLTCTL 24
+#define DLB2_PCI_RTCTL 28
+#define DLB2_PCI_EXP_DEVCTL2 40
+#define DLB2_PCI_LNKCTL2 48
+#define DLB2_PCI_SLTCTL2 56
+#define DLB2_PCI_CMD 4
+#define DLB2_PCI_X_CMD 2
+#define DLB2_PCI_EXP_DEVSTA 10
+#define DLB2_PCI_EXP_DEVSTA_TRPND 0x20
+#define DLB2_PCI_EXP_DEVCTL_BCR_FLR 0x8000
+
+#define DLB2_PCI_CAP_ID_EXP       0x10
+#define DLB2_PCI_CAP_ID_MSIX      0x11
+#define DLB2_PCI_EXT_CAP_ID_PAS   0x1B
+#define DLB2_PCI_EXT_CAP_ID_PRI   0x13
+#define DLB2_PCI_EXT_CAP_ID_ACS   0xD
+
+#define DLB2_PCI_PRI_CTRL_ENABLE         0x1
+#define DLB2_PCI_PRI_ALLOC_REQ           0xC
+#define DLB2_PCI_PRI_CTRL                0x4
+#define DLB2_PCI_MSIX_FLAGS              0x2
+#define DLB2_PCI_MSIX_FLAGS_ENABLE       0x8000
+#define DLB2_PCI_MSIX_FLAGS_MASKALL      0x4000
+#define DLB2_PCI_ERR_ROOT_STATUS         0x30
+#define DLB2_PCI_ERR_COR_STATUS          0x10
+#define DLB2_PCI_ERR_UNCOR_STATUS        0x4
+#define DLB2_PCI_COMMAND_INTX_DISABLE    0x400
+#define DLB2_PCI_ACS_CAP                 0x4
+#define DLB2_PCI_ACS_CTRL                0x6
+#define DLB2_PCI_ACS_SV                  0x1
+#define DLB2_PCI_ACS_RR                  0x4
+#define DLB2_PCI_ACS_CR                  0x8
+#define DLB2_PCI_ACS_UF                  0x10
+#define DLB2_PCI_ACS_EC                  0x20
+
+static int
+dlb2_pci_find_ext_capability(struct rte_pci_device *pdev, uint32_t id)
+{
+	uint32_t hdr;
+	size_t sz;
+	int pos;
+
+	pos = DLB2_PCI_CFG_SPACE_SIZE;
+	sz = sizeof(hdr);
+
+	while (pos > 0xFF) {
+		if (rte_pci_read_config(pdev, &hdr, sz, pos) != (int)sz)
+			return -1;
+
+		if (DLB2_PCI_EXT_CAP_ID(hdr) == id)
+			return pos;
+
+		pos = DLB2_PCI_EXT_CAP_NEXT(hdr);
+	}
+
+	return -1;
+}
+
+static int dlb2_pci_find_capability(struct rte_pci_device *pdev, uint32_t id)
+{
+	uint8_t pos;
+	int ret;
+	uint16_t hdr;
+
+	ret = rte_pci_read_config(pdev, &pos, 1, DLB2_PCI_CAP_POINTER);
+	pos &= 0xFC;
+
+	if (ret != 1)
+		return -1;
+
+	while (pos > 0x3F) {
+		ret = rte_pci_read_config(pdev, &hdr, 2, pos);
+		if (ret != 2)
+			return -1;
+
+		if (DLB2_PCI_CAP_ID(hdr) == id)
+			return pos;
+
+		if (DLB2_PCI_CAP_ID(hdr) == 0xFF)
+			return -1;
+
+		pos = DLB2_PCI_CAP_NEXT(hdr);
+	}
+
+	return -1;
+}
+
+static int
+dlb2_pf_init_driver_state(struct dlb2_dev *dlb2_dev)
+{
+	int i;
+
+	if (rte_cpu_get_flag_enabled(RTE_CPUFLAG_MOVDIR64B))
+		dlb2_dev->enqueue_four = dlb2_movdir64b;
+	else
+		dlb2_dev->enqueue_four = dlb2_movntdq;
+
+	/* Initialize software state */
+	for (i = 0; i < DLB2_MAX_NUM_LDB_PORTS; i++)
+		dlb2_list_init_head(&dlb2_dev->ldb_port_pages[i].list);
+
+	for (i = 0; i < DLB2_MAX_NUM_DIR_PORTS; i++)
+		dlb2_list_init_head(&dlb2_dev->dir_port_pages[i].list);
+
+	rte_spinlock_init(&dlb2_dev->resource_mutex);
+	rte_spinlock_init(&dlb2_dev->measurement_lock);
+
+	return 0;
+}
+
+static void dlb2_pf_enable_pm(struct dlb2_dev *dlb2_dev)
+{
+	dlb2_clr_pmcsr_disable(&dlb2_dev->hw);
+}
+
+#define DLB2_READY_RETRY_LIMIT 1000
+static int dlb2_pf_wait_for_device_ready(struct dlb2_dev *dlb2_dev)
+{
+	u32 retries = 0;
+
+	/* Allow at least 1s for the device to become active after power-on */
+	for (retries = 0; retries < DLB2_READY_RETRY_LIMIT; retries++) {
+		union dlb2_cfg_mstr_cfg_diagnostic_idle_status idle;
+		union dlb2_cfg_mstr_cfg_pm_status pm_st;
+		u32 addr;
+
+		addr = DLB2_CFG_MSTR_CFG_PM_STATUS;
+		pm_st.val = DLB2_CSR_RD(&dlb2_dev->hw, addr);
+		addr = DLB2_CFG_MSTR_CFG_DIAGNOSTIC_IDLE_STATUS;
+		idle.val = DLB2_CSR_RD(&dlb2_dev->hw, addr);
+		if (pm_st.field.pmsm == 1 && idle.field.dlb_func_idle == 1)
+			break;
+
+		rte_delay_ms(1);
+	};
+
+	if (retries == DLB2_READY_RETRY_LIMIT) {
+		printf("[%s()] wait for device ready timed out\n",
+		       __func__);
+		return -1;
+	}
+
+	return 0;
+}
+
+struct dlb2_dev *
+dlb2_probe(struct rte_pci_device *pdev)
+{
+	struct dlb2_dev *dlb2_dev;
+	int ret = 0;
+
+	DLB2_INFO(dlb2_dev, "probe\n");
+
+	dlb2_dev = rte_malloc("DLB2_PF", sizeof(struct dlb2_dev),
+			      RTE_CACHE_LINE_SIZE);
+
+	if (!dlb2_dev) {
+		ret = -ENOMEM;
+		goto dlb2_dev_malloc_fail;
+	}
+
+	/* PCI Bus driver has already mapped bar space into process.
+	 * Save off our IO register and FUNC addresses.
+	 */
+
+	/* BAR 0 */
+	if (pdev->mem_resource[0].addr == NULL) {
+		DLB2_ERR(dlb2_dev, "probe: BAR 0 addr (csr_kva) is NULL\n");
+		ret = -EINVAL;
+		goto pci_mmap_bad_addr;
+	}
+	dlb2_dev->hw.func_kva = (void *)(uintptr_t)pdev->mem_resource[0].addr;
+	dlb2_dev->hw.func_phys_addr = pdev->mem_resource[0].phys_addr;
+
+	DLB2_INFO(dlb2_dev, "DLB2 FUNC VA=%p, PA=%p, len=%p\n",
+		  (void *)dlb2_dev->hw.func_kva,
+		  (void *)dlb2_dev->hw.func_phys_addr,
+		  (void *)(pdev->mem_resource[0].len));
+
+	/* BAR 2 */
+	if (pdev->mem_resource[2].addr == NULL) {
+		DLB2_ERR(dlb2_dev, "probe: BAR 2 addr (func_kva) is NULL\n");
+		ret = -EINVAL;
+		goto pci_mmap_bad_addr;
+	}
+	dlb2_dev->hw.csr_kva = (void *)(uintptr_t)pdev->mem_resource[2].addr;
+	dlb2_dev->hw.csr_phys_addr = pdev->mem_resource[2].phys_addr;
+
+	DLB2_INFO(dlb2_dev, "DLB2 CSR VA=%p, PA=%p, len=%p\n",
+		  (void *)dlb2_dev->hw.csr_kva,
+		  (void *)dlb2_dev->hw.csr_phys_addr,
+		  (void *)(pdev->mem_resource[2].len));
+
+	dlb2_dev->pdev = pdev;
+
+	/* PM enable must be done before any other MMIO accesses, and this
+	 * setting is persistent across device reset.
+	 */
+	dlb2_pf_enable_pm(dlb2_dev);
+
+	ret = dlb2_pf_wait_for_device_ready(dlb2_dev);
+	if (ret)
+		goto wait_for_device_ready_fail;
+
+	ret = dlb2_pf_reset(dlb2_dev);
+	if (ret)
+		goto dlb2_reset_fail;
+
+	ret = dlb2_pf_init_driver_state(dlb2_dev);
+	if (ret)
+		goto init_driver_state_fail;
+
+	ret = dlb2_resource_init(&dlb2_dev->hw);
+	if (ret)
+		goto resource_init_fail;
+
+	return dlb2_dev;
+
+resource_init_fail:
+	dlb2_resource_free(&dlb2_dev->hw);
+init_driver_state_fail:
+dlb2_reset_fail:
+pci_mmap_bad_addr:
+wait_for_device_ready_fail:
+	rte_free(dlb2_dev);
+dlb2_dev_malloc_fail:
+	rte_errno = ret;
+	return NULL;
+}
+
+int
+dlb2_pf_reset(struct dlb2_dev *dlb2_dev)
+{
+	int ret = 0;
+	int i = 0;
+	uint32_t dword[16];
+	uint16_t cmd;
+	off_t off;
+
+	uint16_t dev_ctl_word;
+	uint16_t dev_ctl2_word;
+	uint16_t lnk_word;
+	uint16_t lnk_word2;
+	uint16_t slt_word;
+	uint16_t slt_word2;
+	uint16_t rt_ctl_word;
+	uint32_t pri_reqs_dword;
+	uint16_t pri_ctrl_word;
+
+	int pcie_cap_offset;
+	int pri_cap_offset;
+	int msix_cap_offset;
+	int err_cap_offset;
+	int acs_cap_offset;
+	int wait_count;
+
+	uint16_t devsta_busy_word;
+	uint16_t devctl_word;
+
+	struct rte_pci_device *pdev = dlb2_dev->pdev;
+
+	/* Save PCI config state */
+
+	for (i = 0; i < 16; i++) {
+		if (rte_pci_read_config(pdev, &dword[i], 4, i * 4) != 4)
+			return ret;
+	}
+
+	pcie_cap_offset = dlb2_pci_find_capability(pdev, DLB2_PCI_CAP_ID_EXP);
+
+	if (pcie_cap_offset < 0) {
+		printf("[%s()] failed to find the pcie capability\n",
+		       __func__);
+		return pcie_cap_offset;
+	}
+
+	off = pcie_cap_offset + DLB2_PCI_EXP_DEVCTL;
+	if (rte_pci_read_config(pdev, &dev_ctl_word, 2, off) != 2)
+		dev_ctl_word = 0;
+
+	off = pcie_cap_offset + DLB2_PCI_LNKCTL;
+	if (rte_pci_read_config(pdev, &lnk_word, 2, off) != 2)
+		lnk_word = 0;
+
+	off = pcie_cap_offset + DLB2_PCI_SLTCTL;
+	if (rte_pci_read_config(pdev, &slt_word, 2, off) != 2)
+		slt_word = 0;
+
+	off = pcie_cap_offset + DLB2_PCI_RTCTL;
+	if (rte_pci_read_config(pdev, &rt_ctl_word, 2, off) != 2)
+		rt_ctl_word = 0;
+
+	off = pcie_cap_offset + DLB2_PCI_EXP_DEVCTL2;
+	if (rte_pci_read_config(pdev, &dev_ctl2_word, 2, off) != 2)
+		dev_ctl2_word = 0;
+
+	off = pcie_cap_offset + DLB2_PCI_LNKCTL2;
+	if (rte_pci_read_config(pdev, &lnk_word2, 2, off) != 2)
+		lnk_word2 = 0;
+
+	off = pcie_cap_offset + DLB2_PCI_SLTCTL2;
+	if (rte_pci_read_config(pdev, &slt_word2, 2, off) != 2)
+		slt_word2 = 0;
+
+	off = DLB2_PCI_EXT_CAP_ID_PRI;
+	pri_cap_offset = dlb2_pci_find_ext_capability(pdev, off);
+
+	if (pri_cap_offset >= 0) {
+		off = pri_cap_offset + DLB2_PCI_PRI_ALLOC_REQ;
+		if (rte_pci_read_config(pdev, &pri_reqs_dword, 4, off) != 4)
+			pri_reqs_dword = 0;
+	}
+
+	/* clear the PCI command register before issuing the FLR */
+
+	off = DLB2_PCI_CMD;
+	cmd = 0;
+	if (rte_pci_write_config(pdev, &cmd, 2, off) != 2) {
+		printf("[%s()] failed to write the pci command\n",
+		       __func__);
+		return ret;
+	}
+
+	/* issue the FLR */
+	for (wait_count = 0; wait_count < 4; wait_count++) {
+		int sleep_time;
+
+		off = pcie_cap_offset + DLB2_PCI_EXP_DEVSTA;
+		ret = rte_pci_read_config(pdev, &devsta_busy_word, 2, off);
+		if (ret != 2) {
+			printf("[%s()] failed to read the pci device status\n",
+			       __func__);
+			return ret;
+		}
+
+		if (!(devsta_busy_word & DLB2_PCI_EXP_DEVSTA_TRPND))
+			break;
+
+		sleep_time = (1 << (wait_count)) * 100;
+		rte_delay_ms(sleep_time);
+	}
+
+	if (wait_count == 4) {
+		printf("[%s()] wait for pci pending transactions timed out\n",
+		       __func__);
+		return -1;
+	}
+
+	off = pcie_cap_offset + DLB2_PCI_EXP_DEVCTL;
+	ret = rte_pci_read_config(pdev, &devctl_word, 2, off);
+	if (ret != 2) {
+		printf("[%s()] failed to read the pcie device control\n",
+		       __func__);
+		return ret;
+	}
+
+	devctl_word |= DLB2_PCI_EXP_DEVCTL_BCR_FLR;
+
+	ret = rte_pci_write_config(pdev, &devctl_word, 2, off);
+	if (ret != 2) {
+		printf("[%s()] failed to write the pcie device control\n",
+		       __func__);
+		return ret;
+	}
+
+	rte_delay_ms(100);
+
+	/* Restore PCI config state */
+
+	if (pcie_cap_offset >= 0) {
+		off = pcie_cap_offset + DLB2_PCI_EXP_DEVCTL;
+		ret = rte_pci_write_config(pdev, &dev_ctl_word, 2, off);
+		if (ret != 2) {
+			printf("[%s()] failed to write the pcie device control at offset %d\n",
+				__func__, (int)off);
+			return ret;
+		}
+
+		off = pcie_cap_offset + DLB2_PCI_LNKCTL;
+		ret = rte_pci_write_config(pdev, &lnk_word, 2, off);
+		if (ret != 2) {
+			printf("[%s()] failed to write the pcie config space at offset %d\n",
+				__func__, (int)off);
+			return ret;
+		}
+
+		off = pcie_cap_offset + DLB2_PCI_SLTCTL;
+		ret = rte_pci_write_config(pdev, &slt_word, 2, off);
+		if (ret != 2) {
+			printf("[%s()] failed to write the pcie config space at offset %d\n",
+				__func__, (int)off);
+			return ret;
+		}
+
+		off = pcie_cap_offset + DLB2_PCI_RTCTL;
+		ret = rte_pci_write_config(pdev, &rt_ctl_word, 2, off);
+		if (ret != 2) {
+			printf("[%s()] failed to write the pcie config space at offset %d\n",
+				__func__, (int)off);
+			return ret;
+		}
+
+		off = pcie_cap_offset + DLB2_PCI_EXP_DEVCTL2;
+		ret = rte_pci_write_config(pdev, &dev_ctl2_word, 2, off);
+		if (ret != 2) {
+			printf("[%s()] failed to write the pcie config space at offset %d\n",
+				__func__, (int)off);
+			return ret;
+		}
+
+		off = pcie_cap_offset + DLB2_PCI_LNKCTL2;
+		ret = rte_pci_write_config(pdev, &lnk_word2, 2, off);
+		if (ret != 2) {
+			printf("[%s()] failed to write the pcie config space at offset %d\n",
+				__func__, (int)off);
+			return ret;
+		}
+
+		off = pcie_cap_offset + DLB2_PCI_SLTCTL2;
+		ret = rte_pci_write_config(pdev, &slt_word2, 2, off);
+		if (ret != 2) {
+			printf("[%s()] failed to write the pcie config space at offset %d\n",
+				__func__, (int)off);
+			return ret;
+		}
+	}
+
+	if (pri_cap_offset >= 0) {
+		pri_ctrl_word = DLB2_PCI_PRI_CTRL_ENABLE;
+
+		off = pri_cap_offset + DLB2_PCI_PRI_ALLOC_REQ;
+		ret = rte_pci_write_config(pdev, &pri_reqs_dword, 4, off);
+		if (ret != 4) {
+			printf("[%s()] failed to write the pcie config space at offset %d\n",
+				__func__, (int)off);
+			return ret;
+		}
+
+		off = pri_cap_offset + DLB2_PCI_PRI_CTRL;
+		ret = rte_pci_write_config(pdev, &pri_ctrl_word, 2, off);
+		if (ret != 2) {
+			printf("[%s()] failed to write the pcie config space at offset %d\n",
+				__func__, (int)off);
+			return ret;
+		}
+	}
+
+	off = DLB2_PCI_EXT_CAP_ID_ERR;
+	err_cap_offset = dlb2_pci_find_ext_capability(pdev, off);
+
+	if (err_cap_offset >= 0) {
+		uint32_t tmp;
+
+		off = err_cap_offset + DLB2_PCI_ERR_ROOT_STATUS;
+		if (rte_pci_read_config(pdev, &tmp, 4, off) != 4)
+			tmp = 0;
+
+		ret = rte_pci_write_config(pdev, &tmp, 4, off);
+		if (ret != 4) {
+			printf("[%s()] failed to write the pcie config space at offset %d\n",
+				__func__, (int)off);
+			return ret;
+		}
+
+		off = err_cap_offset + DLB2_PCI_ERR_COR_STATUS;
+		if (rte_pci_read_config(pdev, &tmp, 4, off) != 4)
+			tmp = 0;
+
+		ret = rte_pci_write_config(pdev, &tmp, 4, off);
+		if (ret != 4) {
+			printf("[%s()] failed to write the pcie config space at offset %d\n",
+				__func__, (int)off);
+			return ret;
+		}
+
+		off = err_cap_offset + DLB2_PCI_ERR_UNCOR_STATUS;
+		if (rte_pci_read_config(pdev, &tmp, 4, off) != 4)
+			tmp = 0;
+
+		ret = rte_pci_write_config(pdev, &tmp, 4, off);
+		if (ret != 4) {
+			printf("[%s()] failed to write the pcie config space at offset %d\n",
+				__func__, (int)off);
+			return ret;
+		}
+	}
+
+	for (i = 16; i > 0; i--) {
+		off = (i - 1) * 4;
+		ret = rte_pci_write_config(pdev, &dword[i - 1], 4, off);
+		if (ret != 4) {
+			printf("[%s()] failed to write the pcie config space at offset %d\n",
+				__func__, (int)off);
+			return ret;
+		}
+	}
+
+	off = DLB2_PCI_CMD;
+	if (rte_pci_read_config(pdev, &cmd, 2, off) == 2) {
+		cmd &= ~DLB2_PCI_COMMAND_INTX_DISABLE;
+		if (rte_pci_write_config(pdev, &cmd, 2, off) != 2) {
+			printf("[%s()] failed to write the pci command\n",
+			       __func__);
+			return ret;
+		}
+	}
+
+	msix_cap_offset = dlb2_pci_find_capability(pdev,
+						   DLB2_PCI_CAP_ID_MSIX);
+	if (msix_cap_offset >= 0) {
+		off = msix_cap_offset + DLB2_PCI_MSIX_FLAGS;
+		if (rte_pci_read_config(pdev, &cmd, 2, off) == 2) {
+			cmd |= DLB2_PCI_MSIX_FLAGS_ENABLE;
+			cmd |= DLB2_PCI_MSIX_FLAGS_MASKALL;
+			if (rte_pci_write_config(pdev, &cmd, 2, off) != 2) {
+				printf("[%s()] failed to write msix flags\n",
+				       __func__);
+				return ret;
+			}
+		}
+
+		off = msix_cap_offset + DLB2_PCI_MSIX_FLAGS;
+		if (rte_pci_read_config(pdev, &cmd, 2, off) == 2) {
+			cmd &= ~DLB2_PCI_MSIX_FLAGS_MASKALL;
+			if (rte_pci_write_config(pdev, &cmd, 2, off) != 2) {
+				printf("[%s()] failed to write msix flags\n",
+				       __func__);
+				return ret;
+			}
+		}
+	}
+
+	off = DLB2_PCI_EXT_CAP_ID_ACS;
+	acs_cap_offset = dlb2_pci_find_ext_capability(pdev, off);
+
+	if (acs_cap_offset >= 0) {
+		uint16_t acs_cap, acs_ctrl, acs_mask;
+		off = acs_cap_offset + DLB2_PCI_ACS_CAP;
+		if (rte_pci_read_config(pdev, &acs_cap, 2, off) != 2)
+			acs_cap = 0;
+
+		off = acs_cap_offset + DLB2_PCI_ACS_CTRL;
+		if (rte_pci_read_config(pdev, &acs_ctrl, 2, off) != 2)
+			acs_ctrl = 0;
+
+		acs_mask = DLB2_PCI_ACS_SV | DLB2_PCI_ACS_RR;
+		acs_mask |= (DLB2_PCI_ACS_CR | DLB2_PCI_ACS_UF);
+		acs_ctrl |= (acs_cap & acs_mask);
+
+		ret = rte_pci_write_config(pdev, &acs_ctrl, 2, off);
+		if (ret != 2) {
+			printf("[%s()] failed to write the pcie config space at offset %d\n",
+				__func__, (int)off);
+			return ret;
+		}
+
+		off = acs_cap_offset + DLB2_PCI_ACS_CTRL;
+		if (rte_pci_read_config(pdev, &acs_ctrl, 2, off) != 2)
+			acs_ctrl = 0;
+
+		acs_mask = DLB2_PCI_ACS_RR | DLB2_PCI_ACS_CR;
+		acs_mask |= DLB2_PCI_ACS_EC;
+		acs_ctrl &= ~acs_mask;
+
+		off = acs_cap_offset + DLB2_PCI_ACS_CTRL;
+		ret = rte_pci_write_config(pdev, &acs_ctrl, 2, off);
+		if (ret != 2) {
+			printf("[%s()] failed to write the pcie config space at offset %d\n",
+				__func__, (int)off);
+			return ret;
+		}
+	}
+
+	return 0;
+}
+
+/**********************************/
+/****** Device configuration ******/
+/**********************************/
+
diff --git a/drivers/event/dlb2/pf/dlb2_main.h b/drivers/event/dlb2/pf/dlb2_main.h
new file mode 100644
index 0000000..a914077
--- /dev/null
+++ b/drivers/event/dlb2/pf/dlb2_main.h
@@ -0,0 +1,107 @@
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(c) 2016-2020 Intel Corporation
+ */
+
+#ifndef __DLB2_MAIN_H
+#define __DLB2_MAIN_H
+
+#include <rte_debug.h>
+#include <rte_log.h>
+#include <rte_spinlock.h>
+#include <rte_pci.h>
+#include <rte_bus_pci.h>
+
+#ifndef PAGE_SIZE
+#define PAGE_SIZE (sysconf(_SC_PAGESIZE))
+#endif
+
+#include "base/dlb2_hw_types.h"
+#include "../dlb2_user.h"
+
+#define DLB2_DEFAULT_UNREGISTER_TIMEOUT_S 5
+
+struct dlb2_dev;
+
+struct dlb2_port_memory {
+	struct dlb2_list_head list;
+	void *cq_base;
+	bool valid;
+};
+
+struct dlb2_dev {
+	struct rte_pci_device *pdev;
+	struct dlb2_hw hw;
+	/* struct list_head list; */
+	struct device *dlb2_device;
+	struct dlb2_port_memory ldb_port_pages[DLB2_MAX_NUM_LDB_PORTS];
+	struct dlb2_port_memory dir_port_pages[DLB2_MAX_NUM_DIR_PORTS];
+	/* The enqueue_four function enqueues four HCWs (one cache-line worth)
+	 * to the DLB2, using whichever mechanism is supported by the platform
+	 * on which this driver is running.
+	 */
+	void (*enqueue_four)(void *qe4, void *pp_addr);
+
+	bool domain_reset_failed;
+	/* The resource mutex serializes access to driver data structures and
+	 * hardware registers.
+	 */
+	rte_spinlock_t resource_mutex;
+	rte_spinlock_t measurement_lock;
+	bool worker_launched;
+	u8 revision;
+};
+
+struct dlb2_dev *dlb2_probe(struct rte_pci_device *pdev);
+
+/* The following functions were pf_ops in kernel driver implementation */
+int dlb2_pf_reset(struct dlb2_dev *dlb2_dev);
+int dlb2_pf_create_sched_domain(struct dlb2_hw *hw,
+				struct dlb2_create_sched_domain_args *args,
+				struct dlb2_cmd_response *resp);
+int dlb2_pf_create_ldb_queue(struct dlb2_hw *hw,
+			     u32 domain_id,
+			     struct dlb2_create_ldb_queue_args *args,
+			     struct dlb2_cmd_response *resp);
+int dlb2_pf_create_dir_queue(struct dlb2_hw *hw,
+			     u32 domain_id,
+			     struct dlb2_create_dir_queue_args *args,
+			     struct dlb2_cmd_response *resp);
+int dlb2_pf_create_ldb_port(struct dlb2_hw *hw,
+			    u32 domain_id,
+			    struct dlb2_create_ldb_port_args *args,
+			    uintptr_t cq_dma_base,
+			    struct dlb2_cmd_response *resp);
+int dlb2_pf_create_dir_port(struct dlb2_hw *hw,
+			    u32 domain_id,
+			    struct dlb2_create_dir_port_args *args,
+			    uintptr_t cq_dma_base,
+			    struct dlb2_cmd_response *resp);
+int dlb2_pf_start_domain(struct dlb2_hw *hw,
+			 u32 domain_id,
+			 struct dlb2_start_domain_args *args,
+			 struct dlb2_cmd_response *resp);
+int dlb2_pf_enable_ldb_port(struct dlb2_hw *hw,
+			    u32 domain_id,
+			    struct dlb2_enable_ldb_port_args *args,
+			    struct dlb2_cmd_response *resp);
+int dlb2_pf_disable_ldb_port(struct dlb2_hw *hw,
+			     u32 domain_id,
+			     struct dlb2_disable_ldb_port_args *args,
+			     struct dlb2_cmd_response *resp);
+int dlb2_pf_enable_dir_port(struct dlb2_hw *hw,
+			    u32 domain_id,
+			    struct dlb2_enable_dir_port_args *args,
+			    struct dlb2_cmd_response *resp);
+int dlb2_pf_disable_dir_port(struct dlb2_hw *hw,
+			     u32 domain_id,
+			     struct dlb2_disable_dir_port_args *args,
+			     struct dlb2_cmd_response *resp);
+int dlb2_pf_reset_domain(struct dlb2_hw *hw, u32 domain_id);
+int dlb2_pf_ldb_port_owned_by_domain(struct dlb2_hw *hw,
+				     u32 domain_id,
+				     u32 port_id);
+int dlb2_pf_dir_port_owned_by_domain(struct dlb2_hw *hw,
+				     u32 domain_id,
+				     u32 port_id);
+
+#endif /* __DLB2_MAIN_H */
diff --git a/drivers/event/dlb2/pf/dlb2_pf.c b/drivers/event/dlb2/pf/dlb2_pf.c
new file mode 100644
index 0000000..8c5ec20
--- /dev/null
+++ b/drivers/event/dlb2/pf/dlb2_pf.c
@@ -0,0 +1,251 @@
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(c) 2016-2020 Intel Corporation
+ */
+
+#include <stdint.h>
+#include <stdbool.h>
+#include <stdio.h>
+#include <sys/mman.h>
+#include <sys/fcntl.h>
+#include <sys/time.h>
+#include <errno.h>
+#include <assert.h>
+#include <unistd.h>
+#include <string.h>
+#include <rte_debug.h>
+#include <rte_log.h>
+#include <rte_dev.h>
+#include <rte_devargs.h>
+#include <rte_mbuf.h>
+#include <rte_ring.h>
+#include <rte_errno.h>
+#include <rte_kvargs.h>
+#include <rte_malloc.h>
+#include <rte_cycles.h>
+#include <rte_io.h>
+#include <rte_pci.h>
+#include <rte_bus_pci.h>
+#include <rte_eventdev.h>
+#include <rte_eventdev_pmd.h>
+#include <rte_eventdev_pmd_pci.h>
+#include <rte_memory.h>
+#include <rte_string_fns.h>
+
+#include "../dlb2_priv.h"
+#include "../dlb2_iface.h"
+#include "../dlb2_inline_fns.h"
+#include "dlb2_main.h"
+#include "base/dlb2_hw_types.h"
+#include "base/dlb2_osdep.h"
+#include "base/dlb2_resource.h"
+
+extern struct dlb2_dev *dlb2_probe(struct rte_pci_device *pdev);
+
+#if !defined RTE_ARCH_X86_64
+#error "This implementation only supports RTE_ARCH_X86_64 architecture."
+#endif
+
+static const char *event_dlb2_pf_name = RTE_STR(EVDEV_DLB2_NAME_PMD);
+
+static void
+dlb2_pf_low_level_io_init(void)
+{
+	int i;
+	/* Addresses will be initialized at port create */
+	for (i = 0; i < DLB2_MAX_NUM_PORTS; i++) {
+		/* First directed ports */
+		dlb2_port[i][DLB2_DIR_PORT].pp_addr = NULL;
+		dlb2_port[i][DLB2_DIR_PORT].cq_base = NULL;
+		dlb2_port[i][DLB2_DIR_PORT].mmaped = true;
+
+		/* Now load balanced ports */
+		dlb2_port[i][DLB2_LDB_PORT].pp_addr = NULL;
+		dlb2_port[i][DLB2_LDB_PORT].cq_base = NULL;
+		dlb2_port[i][DLB2_LDB_PORT].mmaped = true;
+	}
+}
+
+static int
+dlb2_pf_open(struct dlb2_hw_dev *handle, const char *name)
+{
+	RTE_SET_USED(handle);
+	RTE_SET_USED(name);
+
+	return 0;
+}
+
+static int
+dlb2_pf_get_device_version(struct dlb2_hw_dev *handle,
+			   uint8_t *revision)
+{
+	struct dlb2_dev *dlb2_dev = (struct dlb2_dev *)handle->pf_dev;
+
+	*revision = dlb2_dev->revision;
+
+	return 0;
+}
+
+static void
+dlb2_pf_hardware_init(struct dlb2_hw_dev *handle)
+{
+	struct dlb2_dev *dlb2_dev = (struct dlb2_dev *)handle->pf_dev;
+
+	dlb2_hw_enable_sparse_ldb_cq_mode(&dlb2_dev->hw);
+	dlb2_hw_enable_sparse_dir_cq_mode(&dlb2_dev->hw);
+}
+
+static int
+dlb2_pf_get_num_resources(struct dlb2_hw_dev *handle,
+			  struct dlb2_get_num_resources_args *rsrcs)
+{
+	struct dlb2_dev *dlb2_dev = (struct dlb2_dev *)handle->pf_dev;
+
+	return dlb2_hw_get_num_resources(&dlb2_dev->hw, rsrcs, false, 0);
+}
+
+static int
+dlb2_pf_get_cq_poll_mode(struct dlb2_hw_dev *handle,
+			 enum dlb2_cq_poll_modes *mode)
+{
+	RTE_SET_USED(handle);
+
+	*mode = DLB2_CQ_POLL_MODE_SPARSE;
+
+	return 0;
+}
+
+static void
+dlb2_pf_iface_fn_ptrs_init(void)
+{
+
+	dlb2_iface_low_level_io_init = dlb2_pf_low_level_io_init;
+	dlb2_iface_open = dlb2_pf_open;
+	dlb2_iface_get_device_version = dlb2_pf_get_device_version;
+	dlb2_iface_hardware_init = dlb2_pf_hardware_init;
+	dlb2_iface_get_num_resources = dlb2_pf_get_num_resources;
+	dlb2_iface_get_cq_poll_mode = dlb2_pf_get_cq_poll_mode;
+}
+
+/* PCI DEV HOOKS */
+static int
+dlb2_eventdev_pci_init(struct rte_eventdev *eventdev)
+{
+	int ret = 0;
+	struct rte_pci_device *pci_dev;
+	struct dlb2_devargs dlb2_args = {
+		.socket_id = rte_socket_id(),
+		.max_num_events = DLB2_MAX_NUM_LDB_CREDITS,
+		.num_dir_credits_override = -1,
+		.qid_depth_thresholds = { {0} },
+		.cos_id = DLB2_COS_DEFAULT
+	};
+	struct dlb2_eventdev *dlb2;
+
+	DLB2_LOG_DBG("Enter with dev_id=%d socket_id=%d",
+		     eventdev->data->dev_id, eventdev->data->socket_id);
+
+	dlb2_pf_iface_fn_ptrs_init();
+
+	pci_dev = RTE_DEV_TO_PCI(eventdev->dev);
+
+	if (rte_eal_process_type() == RTE_PROC_PRIMARY) {
+		dlb2 = dlb2_pmd_priv(eventdev); /* rte_zmalloc_socket mem */
+
+		/* Probe the DLB2 PF layer */
+		dlb2->qm_instance.pf_dev = dlb2_probe(pci_dev);
+
+		if (dlb2->qm_instance.pf_dev == NULL) {
+			DLB2_LOG_ERR("DLB2 PF Probe failed with error %d\n",
+				     rte_errno);
+			ret = -rte_errno;
+			goto dlb2_probe_failed;
+		}
+
+		/* Were we invoked with runtime parameters? */
+		if (pci_dev->device.devargs) {
+			ret = dlb2_parse_params(pci_dev->device.devargs->args,
+						pci_dev->device.devargs->name,
+						&dlb2_args);
+			if (ret) {
+				DLB2_LOG_ERR("PFPMD failed to parse args ret=%d, errno=%d\n",
+					     ret, rte_errno);
+				goto dlb2_probe_failed;
+			}
+		}
+
+		ret = dlb2_primary_eventdev_probe(eventdev,
+						  event_dlb2_pf_name,
+						  &dlb2_args);
+	} else {
+		ret = dlb2_secondary_eventdev_probe(eventdev,
+						    event_dlb2_pf_name);
+	}
+	if (ret)
+		goto dlb2_probe_failed;
+
+	DLB2_LOG_INFO("DLB2 PF Probe success\n");
+
+	return 0;
+
+dlb2_probe_failed:
+
+	DLB2_LOG_INFO("DLB2 PF Probe failed, ret=%d\n", ret);
+
+	return ret;
+}
+
+#define EVENTDEV_INTEL_VENDOR_ID 0x8086
+
+static const struct rte_pci_id pci_id_dlb2_map[] = {
+	{
+		RTE_PCI_DEVICE(EVENTDEV_INTEL_VENDOR_ID,
+			       PCI_DEVICE_ID_INTEL_DLB2_PF)
+	},
+	{
+		.vendor_id = 0,
+	},
+};
+
+static int
+event_dlb2_pci_probe(struct rte_pci_driver *pci_drv,
+		     struct rte_pci_device *pci_dev)
+{
+	int ret;
+
+	ret = rte_event_pmd_pci_probe_named(pci_drv, pci_dev,
+					     sizeof(struct dlb2_eventdev),
+					     dlb2_eventdev_pci_init,
+					     event_dlb2_pf_name);
+	if (ret) {
+		DLB2_LOG_INFO("rte_event_pmd_pci_probe_named() failed, "
+				"ret=%d\n", ret);
+	}
+
+	return ret;
+}
+
+static int
+event_dlb2_pci_remove(struct rte_pci_device *pci_dev)
+{
+	int ret;
+
+	ret = rte_event_pmd_pci_remove(pci_dev, NULL);
+
+	if (ret) {
+		DLB2_LOG_INFO("rte_event_pmd_pci_remove() failed, "
+				"ret=%d\n", ret);
+	}
+
+	return ret;
+
+}
+
+static struct rte_pci_driver pci_eventdev_dlb2_pmd = {
+	.id_table = pci_id_dlb2_map,
+	.drv_flags = RTE_PCI_DRV_NEED_MAPPING,
+	.probe = event_dlb2_pci_probe,
+	.remove = event_dlb2_pci_remove,
+};
+
+RTE_PMD_REGISTER_PCI(event_dlb2_pf, pci_eventdev_dlb2_pmd);
+RTE_PMD_REGISTER_PCI_TABLE(event_dlb2_pf, pci_id_dlb2_map);
