diff --git a/MAINTAINERS b/MAINTAINERS
index 0d1c8126e3..89711029d5 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -604,6 +604,10 @@ Platform bus driver
 M: Tomasz Duszynski <tduszynski@marvell.com>
 F: drivers/bus/platform/
 
+UACCE bus driver
+M: Chengwen Feng <fengchengwen@huawei.com>
+F: drivers/bus/uacce/
+
 VDEV bus driver
 F: drivers/bus/vdev/
 F: app/test/test_vdev.c
diff --git a/drivers/bus/meson.build b/drivers/bus/meson.build
index a78b4283bf..d67db8576b 100644
--- a/drivers/bus/meson.build
+++ b/drivers/bus/meson.build
@@ -9,6 +9,7 @@ drivers = [
         'ifpga',
         'pci',
         'platform',
+        'uacce',
         'vdev',
         'vmbus',
 ]
diff --git a/drivers/bus/uacce/bus_uacce_driver.h b/drivers/bus/uacce/bus_uacce_driver.h
new file mode 100644
index 0000000000..0276154658
--- /dev/null
+++ b/drivers/bus/uacce/bus_uacce_driver.h
@@ -0,0 +1,254 @@
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(c) 2023 HiSilicon Limited
+ */
+
+#ifndef BUS_UACCE_DRIVER_H
+#define BUS_UACCE_DRIVER_H
+
+/**
+ * @file
+ *
+ * HiSilicon UACCE bus interface.
+ */
+
+#include <inttypes.h>
+#include <stdlib.h>
+#include <linux/types.h>
+
+#include <rte_compat.h>
+#include <rte_devargs.h>
+#include <dev_driver.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif /* __cplusplus */
+
+#define RTE_UACCE_DEV_PATH_SIZE		256
+#define RTE_UACCE_API_NAME_SIZE		64
+#define RTE_UACCE_ALGS_NAME_SIZE	384
+#define RTE_UACCE_ATTR_MAX_SIZE		384
+
+/*
+ * Definition for queue file region type.
+ */
+enum rte_uacce_qfrt {
+	RTE_UACCE_QFRT_MMIO = 0, /**< Device mmio region. */
+	RTE_UACCE_QFRT_DUS,      /**< Device user share region. */
+	RTE_UACCE_QFRT_BUTT
+};
+
+struct rte_uacce_driver;
+
+/**
+ * A structure describing a UACCE device.
+ */
+struct rte_uacce_device {
+	RTE_TAILQ_ENTRY(rte_uacce_device) next;  /**< Next in device list. */
+	struct rte_device device;                /**< Inherit core device. */
+	struct rte_uacce_driver *driver;         /**< Driver used in probing. */
+	char name[RTE_DEV_NAME_MAX_LEN];         /**< Device name. */
+	char dev_root[RTE_UACCE_DEV_PATH_SIZE];  /**< Sysfs path with device name. */
+	char cdev_path[RTE_UACCE_DEV_PATH_SIZE]; /**< Device path in devfs. */
+	char api[RTE_UACCE_API_NAME_SIZE];       /**< Device context type. */
+	char algs[RTE_UACCE_ALGS_NAME_SIZE];     /**< Device supported algorithms. */
+	uint32_t flags;                          /**< Device flags. */
+	int numa_node;                           /**< NUMA node connection, -1 if unknown. */
+	uint32_t qfrt_sz[RTE_UACCE_QFRT_BUTT];   /**< Queue file region type's size. */
+};
+
+/**
+ * @internal
+ * Helper macro for drivers that need to convert to struct rte_uacce_device.
+ */
+#define RTE_DEV_TO_UACCE_DEV(ptr) \
+	container_of(ptr, struct rte_uacce_device, device)
+
+#define RTE_DEV_TO_UACCE_DEV_CONST(ptr) \
+	container_of(ptr, const struct rte_uacce_device, device)
+
+/**
+ * A structure describing an ID for a UACCE driver. Each driver provides a
+ * table of these IDs for each device that it supports.
+ */
+struct rte_uacce_id {
+	const char *dev_api;   /**< Device context type. */
+	/** Device algorithm.
+	 * If this field is NULL, only dev_api is matched. Otherwise, in
+	 * addition to match dev_api, dev_alg must be a subset of device's
+	 * algs.
+	 */
+	const char *dev_alg;
+};
+
+/**
+ * Initialization function for the driver called during probing.
+ */
+typedef int (rte_uacce_probe_t)(struct rte_uacce_driver *, struct rte_uacce_device *);
+
+/**
+ * Uninitialization function for the driver called during hotplugging.
+ */
+typedef int (rte_uacce_remove_t)(struct rte_uacce_device *);
+
+/**
+ * A structure describing a UACCE driver.
+ */
+struct rte_uacce_driver {
+	RTE_TAILQ_ENTRY(rte_uacce_driver) next;	/**< Next in list. */
+	struct rte_driver driver;               /**< Inherit core driver. */
+	struct rte_uacce_bus *bus;              /**< UACCE bus reference. */
+	rte_uacce_probe_t *probe;               /**< Device probe function. */
+	rte_uacce_remove_t *remove;             /**< Device remove function. */
+	const struct rte_uacce_id *id_table;    /**< ID table, NULL terminated. */
+};
+
+/**
+ * Get available queue number.
+ *
+ * @param dev
+ *   A pointer to a rte_uacce_device structure describing the device
+ *   to use.
+ *
+ * @note The available queues on the device may changes dynamically,
+ * for examples, other process may alloc or free queues.
+ *
+ * @return
+ *   0 on success. Otherwise negative value is returned.
+ */
+__rte_internal
+int rte_uacce_avail_queues(struct rte_uacce_device *dev);
+
+/*
+ * The queue context for a UACCE queue.
+ */
+struct rte_uacce_qcontex {
+	int fd;                       /**< The file descriptor associated to the queue. */
+	struct rte_uacce_device *dev; /**< The device associated to the queue. */
+	void *qfrt_base[RTE_UACCE_QFRT_BUTT]; /**< The qfrt mmap's memory base. */
+};
+
+/**
+ * Alloc one queue.
+ *
+ * @param dev
+ *   A pointer to a rte_uacce_device structure describing the device to use.
+ * @param qctx
+ *   Pointer to queue context, which is used to store the queue information
+ *   that is successfully applied for.
+ *
+ * @return
+ *   0 on success. Otherwise negative value is returned.
+ */
+__rte_internal
+int rte_uacce_queue_alloc(struct rte_uacce_device *dev, struct rte_uacce_qcontex *qctx);
+
+/**
+ * Free one queue.
+ *
+ * @param qctx
+ *   Pointer to queue context, which allocated by @see rte_uacce_alloc_queue.
+ *
+ * @note Once the queue is freed, any operations on the queue (including
+ * control-plane and data-plane, and also read & write mmap region) are not
+ * allowed.
+ */
+__rte_internal
+void rte_uacce_queue_free(struct rte_uacce_qcontex *qctx);
+
+/**
+ * Start one queue.
+ *
+ * @param qctx
+ *   Pointer to queue context, which allocated by @see rte_uacce_alloc_queue.
+ *
+ * @return
+ *   0 on success. Otherwise negative value is returned.
+ */
+__rte_internal
+int rte_uacce_queue_start(struct rte_uacce_qcontex *qctx);
+
+/**
+ * Send ioctl command to one queue.
+ *
+ * @param qctx
+ *   Pointer to queue context, which allocated by @see rte_uacce_alloc_queue.
+ * @param cmd
+ *   ioctl command.
+ *   @note The nr must not conflict with the definition in Linux kerel:
+ *   include/uapi/misc/uacce/uacce.h. It is recommended that the driver
+ *   custom nr start from 64.
+ * @param arg
+ *   Command input & output buffer.
+ *
+ * @return
+ *   0 on success. Otherwise negative value is returned.
+ */
+__rte_internal
+int rte_uacce_queue_ioctl(struct rte_uacce_qcontex *qctx, unsigned long cmd, void *arg);
+
+/**
+ * Mmap queue file region.
+ *
+ * @param qctx
+ *   Pointer to queue context, which allocated by @see rte_uacce_alloc_queue.
+ * @param qfrt
+ *   The queue file region type. Must be RTE_UACCE_QFRT_MMIO or
+ *   RTE_UACCE_QFRT_DUS.
+ *
+ * @return
+ *   Non-NULL on success. Otherwise NULL is returned.
+ */
+__rte_internal
+void *rte_uacce_queue_mmap(struct rte_uacce_qcontex *qctx, enum rte_uacce_qfrt qfrt);
+
+/**
+ * Unmap queue file region.
+ *
+ * @param qctx
+ *   Pointer to queue context, which allocated by @see rte_uacce_alloc_queue.
+ * @param qfrt
+ *   The queue file region type. Must be RTE_UACCE_QFRT_MMIO or
+ *   RTE_UACCE_QFRT_DUS.
+ *
+ * @return
+ *   Non-NULL on success. Otherwise NULL is returned.
+ */
+__rte_internal
+void rte_uacce_queue_unmap(struct rte_uacce_qcontex *qctx, enum rte_uacce_qfrt qfrt);
+
+/**
+ * Register a UACCE driver.
+ *
+ * @param driver
+ *   A pointer to a rte_uacce_driver structure describing the driver to be
+ *   registered.
+ */
+__rte_internal
+void rte_uacce_register(struct rte_uacce_driver *driver);
+
+/**
+ * Unregister a UACCE driver.
+ *
+ * @param driver
+ *   A pointer to a rte_uacce_driver structure describing the driver to be
+ *   unregistered.
+ */
+__rte_internal
+void rte_uacce_unregister(struct rte_uacce_driver *driver);
+
+/**
+ * Helper for UACCE device registration from driver instance.
+ */
+#define RTE_PMD_REGISTER_UACCE(nm, uacce_drv) \
+		RTE_INIT(uacceinitfn_ ##nm) \
+		{\
+			(uacce_drv).driver.name = RTE_STR(nm);\
+			rte_uacce_register(&uacce_drv); \
+		} \
+		RTE_PMD_EXPORT_NAME(nm, __COUNTER__)
+
+#ifdef __cplusplus
+}
+#endif /* __cplusplus */
+
+#endif /* BUS_UACCE_DRIVER_H */
diff --git a/drivers/bus/uacce/meson.build b/drivers/bus/uacce/meson.build
new file mode 100644
index 0000000000..b48d6db11a
--- /dev/null
+++ b/drivers/bus/uacce/meson.build
@@ -0,0 +1,12 @@
+# SPDX-License-Identifier: BSD-3-Clause
+# Copyright(c) 2023 HiSilicon Limited.
+
+if not is_linux
+    build = false
+    reason = 'only supported on Linux'
+endif
+
+sources = files('uacce.c')
+driver_sdk_headers += files('bus_uacce_driver.h')
+
+deps += ['kvargs']
diff --git a/drivers/bus/uacce/uacce.c b/drivers/bus/uacce/uacce.c
new file mode 100644
index 0000000000..8e824c44df
--- /dev/null
+++ b/drivers/bus/uacce/uacce.c
@@ -0,0 +1,702 @@
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(c) 2023 HiSilicon Limited
+ */
+
+#include <dirent.h>
+#include <errno.h>
+#include <fcntl.h>
+#include <unistd.h>
+#include <stdlib.h>
+#include <string.h>
+#include <sys/ioctl.h>
+#include <sys/mman.h>
+#include <sys/stat.h>
+#include <sys/types.h>
+
+#include <rte_bitops.h>
+#include <rte_common.h>
+#include <rte_devargs.h>
+#include <rte_errno.h>
+#include <rte_log.h>
+#include <rte_kvargs.h>
+#include <bus_driver.h>
+
+#include "bus_uacce_driver.h"
+
+#define UACCE_BUS_CLASS_PATH	"/sys/class/uacce"
+
+/* UACCE device flag of SVA. */
+#define UACCE_DEV_FLGA_SVA	RTE_BIT32(0)
+
+/* Support -a uacce:device-name when start DPDK application. */
+#define UACCE_DEV_PREFIX	"uacce:"
+
+/*
+ * Structure describing the UACCE bus.
+ */
+struct rte_uacce_bus {
+	struct rte_bus bus;		            /* Inherit the generic class. */
+	TAILQ_HEAD(, rte_uacce_device) device_list; /* List of devices. */
+	TAILQ_HEAD(, rte_uacce_driver) driver_list; /* List of drivers. */
+};
+
+/* Forward declaration of UACCE bus. */
+static struct rte_uacce_bus uacce_bus;
+
+enum uacce_params {
+	RTE_UACCE_PARAM_NAME,
+};
+
+static const char *const uacce_params_keys[] = {
+	[RTE_UACCE_PARAM_NAME] = "name",
+	NULL,
+};
+
+#define FOREACH_DEVICE_ON_UACCEBUS(p)	\
+		RTE_TAILQ_FOREACH(p, &uacce_bus.device_list, next)
+#define FOREACH_DRIVER_ON_UACCEBUS(p)	\
+		RTE_TAILQ_FOREACH(p, &uacce_bus.driver_list, next)
+
+extern int uacce_bus_logtype;
+#define UACCE_BUS_LOG(level, fmt, args...) \
+	rte_log(RTE_LOG_ ## level, uacce_bus_logtype, "uacce: " fmt "\n", \
+		##args)
+#define UACCE_BUS_ERR(fmt, args...) UACCE_BUS_LOG(ERR, fmt, ##args)
+#define UACCE_BUS_WARN(fmt, args...) UACCE_BUS_LOG(WARNING, fmt, ##args)
+#define UACCE_BUS_INFO(fmt, args...) UACCE_BUS_LOG(INFO, fmt, ##args)
+#define UACCE_BUS_DEBUG(fmt, args...) UACCE_BUS_LOG(DEBUG, fmt, ##args)
+
+
+static struct rte_devargs *
+uacce_devargs_lookup(const char *dev_name)
+{
+	char name[RTE_UACCE_DEV_PATH_SIZE] = {0};
+	struct rte_devargs *devargs;
+
+	snprintf(name, sizeof(name), "%s%s", UACCE_DEV_PREFIX, dev_name);
+	RTE_EAL_DEVARGS_FOREACH("uacce", devargs) {
+		if (strcmp(devargs->name, name) == 0)
+			return devargs;
+	}
+
+	return NULL;
+}
+
+static bool
+uacce_ignore_device(const char *dev_name)
+{
+	struct rte_devargs *devargs = uacce_devargs_lookup(dev_name);
+
+	switch (uacce_bus.bus.conf.scan_mode) {
+	case RTE_BUS_SCAN_ALLOWLIST:
+		if (devargs && devargs->policy == RTE_DEV_ALLOWED)
+			return false;
+		break;
+	case RTE_BUS_SCAN_UNDEFINED:
+	case RTE_BUS_SCAN_BLOCKLIST:
+		if (devargs == NULL || devargs->policy != RTE_DEV_BLOCKED)
+			return false;
+		break;
+	}
+
+	return true;
+}
+
+/*
+ * Returns the number of bytes read (removed last newline) on success.
+ * Otherwise negative value is returned.
+ */
+static int
+uacce_read_attr(const char *dev_root, const char *attr, char *buf, uint32_t sz)
+{
+	char filename[PATH_MAX] = {0};
+	int ret;
+	int fd;
+	int i;
+
+	snprintf(filename, sizeof(filename), "%s/%s", dev_root, attr);
+	fd = open(filename, O_RDONLY, 0);
+	if (fd < 0) {
+		UACCE_BUS_ERR("failed to open %s", filename);
+		return -EIO;
+	}
+
+	ret = read(fd, buf, sz);
+	if (ret > 0) {
+		/* Remove the last new line character. */
+		for (i = ret - 1; i >= 0; i--) {
+			if (buf[i] == '\n') {
+				buf[i] = '\0';
+				ret--;
+				break;
+			}
+		}
+	}
+	if (ret <= 0) {
+		UACCE_BUS_ERR("failed to read %s", filename);
+		return -EIO;
+	}
+
+	close(fd);
+
+	return ret;
+}
+
+/* 0 on success. Otherwise negative value is returned. */
+static int
+uacce_read_attr_int(const char *dev_root, const char *attr, int *val)
+{
+	char buf[RTE_UACCE_ATTR_MAX_SIZE] = {0};
+	char *s = NULL;
+	int ret;
+
+	ret = uacce_read_attr(dev_root, attr, buf, sizeof(buf) - 1);
+	if (ret < 0)
+		return ret;
+
+	*val = strtol(buf, &s, 0);
+	if (s[0] != '\0') {
+		UACCE_BUS_ERR("read attr %s/%s expect an integer value", dev_root, attr);
+		return -EINVAL;
+	}
+
+	return 0;
+}
+
+/* 0 on success. Otherwise negative value is returned. */
+static int
+uacce_read_attr_u32(const char *dev_root, const char *attr, uint32_t *val)
+{
+	char buf[RTE_UACCE_ATTR_MAX_SIZE] = {0};
+	char *s = NULL;
+	int ret;
+
+	ret = uacce_read_attr(dev_root, attr, buf, sizeof(buf) - 1);
+	if (ret < 0)
+		return ret;
+
+	*val = strtoul(buf, &s, 0);
+	if (s[0] != '\0') {
+		UACCE_BUS_ERR("read attr %s/%s expect an uint32 value", dev_root, attr);
+		return -EINVAL;
+	}
+
+	return 0;
+}
+
+static int
+uacce_read_api(struct rte_uacce_device *dev)
+{
+	int ret = uacce_read_attr(dev->dev_root, "api", dev->api, sizeof(dev->api) - 1);
+	if (ret < 0)
+		return ret;
+	return 0;
+}
+
+static int
+uacce_read_algs(struct rte_uacce_device *dev)
+{
+	int ret = uacce_read_attr(dev->dev_root, "algorithms", dev->algs, sizeof(dev->algs) - 1);
+	if (ret < 0)
+		return ret;
+	return 0;
+}
+
+static int
+uacce_read_flags(struct rte_uacce_device *dev)
+{
+	return uacce_read_attr_u32(dev->dev_root, "flags", &dev->flags);
+}
+
+static void
+uacce_read_numa_node(struct rte_uacce_device *dev)
+{
+	int ret = uacce_read_attr_int(dev->dev_root, "device/numa_node", &dev->numa_node);
+	if (ret != 0) {
+		UACCE_BUS_WARN("read attr numa_node failed! set to default");
+		dev->numa_node = -1;
+	}
+}
+
+static int
+uacce_read_qfrt_sz(struct rte_uacce_device *dev)
+{
+	int ret = uacce_read_attr_u32(dev->dev_root, "region_mmio_size",
+				      &dev->qfrt_sz[RTE_UACCE_QFRT_MMIO]);
+	if (ret != 0)
+		return ret;
+	return uacce_read_attr_u32(dev->dev_root, "region_dus_size",
+				   &dev->qfrt_sz[RTE_UACCE_QFRT_DUS]);
+}
+
+static int
+uacce_verify(struct rte_uacce_device *dev)
+{
+	if (!(dev->flags & UACCE_DEV_FLGA_SVA)) {
+		UACCE_BUS_WARN("device %s don't support SVA, skip it!", dev->name);
+		return 1; /* >0 will skip this device. */
+	}
+
+	return 0;
+}
+
+/*
+ * Scan one UACCE sysfs entry, and fill the devices list from it.
+ * It reads api/algs/flags/numa_node/region-size (please refer Linux kernel:
+ * Documentation/ABI/testing/sysfs-driver-uacce) and stores them for later
+ * device-driver matching, driver init...
+ */
+static int
+uacce_scan_one(const char *dev_name)
+{
+	struct rte_uacce_device *dev = NULL;
+	int ret;
+
+	dev = calloc(1, sizeof(*dev));
+	if (!dev)
+		return -ENOMEM;
+
+	dev->device.bus = &uacce_bus.bus;
+	dev->device.name = dev->name;
+	dev->device.devargs = uacce_devargs_lookup(dev_name);
+	snprintf(dev->name, sizeof(dev->name), "%s", dev_name);
+	snprintf(dev->dev_root, sizeof(dev->dev_root), "%s/%s",
+		 UACCE_BUS_CLASS_PATH, dev_name);
+	snprintf(dev->cdev_path, sizeof(dev->cdev_path), "/dev/%s", dev_name);
+
+	ret = uacce_read_api(dev);
+	if (ret != 0)
+		goto err;
+	ret = uacce_read_algs(dev);
+	if (ret != 0)
+		goto err;
+	ret = uacce_read_flags(dev);
+	if (ret != 0)
+		goto err;
+	uacce_read_numa_node(dev);
+	ret = uacce_read_qfrt_sz(dev);
+	if (ret != 0)
+		goto err;
+
+	ret = uacce_verify(dev);
+	if (ret != 0)
+		goto err;
+
+	TAILQ_INSERT_TAIL(&uacce_bus.device_list, dev, next);
+	return 0;
+
+err:
+	free(dev);
+	return ret;
+}
+
+static int
+uacce_scan(void)
+{
+	struct dirent *e;
+	DIR *dir;
+
+	dir = opendir(UACCE_BUS_CLASS_PATH);
+	if (dir == NULL) {
+		UACCE_BUS_LOG(INFO, "open %s failed!", UACCE_BUS_CLASS_PATH);
+		return 0;
+	}
+
+	while ((e = readdir(dir)) != NULL) {
+		if (e->d_name[0] == '.')
+			continue;
+
+		if (strlen(e->d_name) >= RTE_DEV_NAME_MAX_LEN) {
+			UACCE_BUS_LOG(WARNING, "uacce device name %s too long, skip it!",
+				      e->d_name);
+			continue;
+		}
+
+		if (uacce_ignore_device(e->d_name))
+			continue;
+
+		if (uacce_scan_one(e->d_name) < 0)
+			goto error;
+	}
+	closedir(dir);
+	return 0;
+
+error:
+	closedir(dir);
+	return -1;
+}
+
+static bool
+uacce_match(const struct rte_uacce_driver *dr, const struct rte_uacce_device *dev)
+{
+	const struct rte_uacce_id *id_table;
+	uint32_t len;
+	char *map;
+
+	for (id_table = dr->id_table; id_table->dev_api != NULL; id_table++) {
+		if (strcmp(id_table->dev_api, dev->api) != 0)
+			continue;
+
+		if (id_table->dev_alg == NULL)
+			return 1;
+
+		/* The dev->algs's algrothims is separated by new line, for
+		 * example: dev->algs could be: aaa\nbbbb\ncc, which has three
+		 * algorithms: aaa, bbbb and cc.
+		 * The id_table->dev_alg should be a single algrithm, e.g. bbbb.
+		 */
+		map = strstr(dev->algs, id_table->dev_alg);
+		if (map == NULL)
+			continue;
+		if (map != dev->algs && map[-1] != '\n')
+			continue;
+		len = strlen(id_table->dev_alg);
+		if (map[len] != '\0' && map[len] != '\n')
+			continue;
+
+		return 1;
+	}
+
+	return 0;
+}
+
+static int
+uacce_probe_one_driver(struct rte_uacce_driver *dr, struct rte_uacce_device *dev)
+{
+	const char *dev_name = dev->name;
+	bool already_probed;
+	int ret;
+
+	if (!uacce_match(dr, dev))
+		/* Match of device and driver failed */
+		return 1;
+
+	already_probed = rte_dev_is_probed(&dev->device);
+	if (already_probed) {
+		UACCE_BUS_INFO("device %s is already probed", dev_name);
+		return -EEXIST;
+	}
+
+	UACCE_BUS_DEBUG("probe device %s using driver %s", dev_name, dr->driver.name);
+
+	ret = dr->probe(dr, dev);
+	if (ret != 0) {
+		UACCE_BUS_ERR("probe device %s with driver %s failed %d",
+			      dev_name, dr->driver.name, ret);
+	} else {
+		dev->device.driver = &dr->driver;
+		dev->driver = dr;
+		UACCE_BUS_DEBUG("probe device %s with driver %s success",
+				dev_name, dr->driver.name);
+	}
+
+	return ret;
+}
+
+static int
+uacce_probe_all_drivers(struct rte_uacce_device *dev)
+{
+	struct rte_uacce_driver *dr = NULL;
+	int rc = 0;
+
+	FOREACH_DRIVER_ON_UACCEBUS(dr) {
+		rc = uacce_probe_one_driver(dr, dev);
+		if (rc < 0)
+			/* negative value is an error */
+			return rc;
+		if (rc > 0)
+			/* positive value means driver doesn't support it */
+			continue;
+		return 0;
+	}
+	return 1;
+}
+
+static int
+uacce_probe(void)
+{
+	struct rte_uacce_device *dev = NULL;
+	size_t probed = 0, failed = 0;
+	int ret = 0;
+
+	FOREACH_DEVICE_ON_UACCEBUS(dev) {
+		probed++;
+
+		ret = uacce_probe_all_drivers(dev);
+		if (ret < 0) {
+			UACCE_BUS_LOG(ERR, "Requested device %s cannot be used",
+				dev->name);
+			rte_errno = errno;
+			failed++;
+		}
+	}
+
+	return (probed && probed == failed) ? -1 : 0;
+}
+
+static int
+uacce_cleanup(void)
+{
+	struct rte_uacce_device *dev, *tmp_dev;
+	int error = 0;
+
+	RTE_TAILQ_FOREACH_SAFE(dev, &uacce_bus.device_list, next, tmp_dev) {
+		struct rte_uacce_driver *dr = dev->driver;
+		int ret = 0;
+
+		if (dr == NULL || dr->remove == NULL)
+			goto free;
+
+		ret = dr->remove(dev);
+		if (ret < 0) {
+			rte_errno = errno;
+			error = -1;
+		}
+		dev->driver = NULL;
+		dev->device.driver = NULL;
+
+free:
+		memset(dev, 0, sizeof(*dev));
+		free(dev);
+	}
+
+	return error;
+}
+
+static int
+uacce_plug(struct rte_device *dev)
+{
+	return uacce_probe_all_drivers(RTE_DEV_TO_UACCE_DEV(dev));
+}
+
+static int
+uacce_detach_dev(struct rte_uacce_device *dev)
+{
+	struct rte_uacce_driver *dr;
+	int ret = 0;
+
+	dr = dev->driver;
+
+	UACCE_BUS_DEBUG("detach device %s using driver: %s", dev->device.name, dr->driver.name);
+
+	if (dr->remove) {
+		ret = dr->remove(dev);
+		if (ret < 0)
+			return ret;
+	}
+
+	dev->driver = NULL;
+	dev->device.driver = NULL;
+
+	return 0;
+}
+
+static int
+uacce_unplug(struct rte_device *dev)
+{
+	struct rte_uacce_device *uacce_dev;
+	int ret;
+
+	uacce_dev = RTE_DEV_TO_UACCE_DEV(dev);
+	ret = uacce_detach_dev(uacce_dev);
+	if (ret == 0) {
+		TAILQ_REMOVE(&uacce_bus.device_list, uacce_dev, next);
+		rte_devargs_remove(dev->devargs);
+		free(uacce_dev);
+	}
+
+	return ret;
+}
+
+static struct rte_device *
+uacce_find_device(const struct rte_device *start, rte_dev_cmp_t cmp,  const void *data)
+{
+	const struct rte_uacce_device *uacce_start;
+	struct rte_uacce_device *uacce_dev;
+
+	if (start != NULL) {
+		uacce_start = RTE_DEV_TO_UACCE_DEV_CONST(start);
+		uacce_dev = TAILQ_NEXT(uacce_start, next);
+	} else {
+		uacce_dev = TAILQ_FIRST(&uacce_bus.device_list);
+	}
+
+	while (uacce_dev != NULL) {
+		if (cmp(&uacce_dev->device, data) == 0)
+			return &uacce_dev->device;
+		uacce_dev = TAILQ_NEXT(uacce_dev, next);
+	}
+
+	return NULL;
+}
+
+static int
+uacce_parse(const char *name, void *addr)
+{
+	const char **out = addr;
+	int ret;
+
+	ret = strncmp(name, UACCE_DEV_PREFIX, strlen(UACCE_DEV_PREFIX));
+
+	if (ret == 0 && addr)
+		*out = name;
+
+	return ret;
+}
+
+static int
+uacce_dev_match(const struct rte_device *dev, const void *_kvlist)
+{
+	const char *key = uacce_params_keys[RTE_UACCE_PARAM_NAME];
+	const struct rte_kvargs *kvlist = _kvlist;
+	const char *name;
+
+	/* no kvlist arg, all devices match. */
+	if (kvlist == NULL)
+		return 0;
+
+	/* if key is present in kvlist and does not match, filter device. */
+	name = rte_kvargs_get(kvlist, key);
+	if (name != NULL && strcmp(name, dev->name))
+		return -1;
+
+	return 0;
+}
+
+static void *
+uacce_dev_iterate(const void *start, const char *str,
+		  const struct rte_dev_iterator *it __rte_unused)
+{
+	rte_bus_find_device_t find_device;
+	struct rte_kvargs *kvargs = NULL;
+	struct rte_device *dev;
+
+	if (str != NULL) {
+		kvargs = rte_kvargs_parse(str, uacce_params_keys);
+		if (kvargs == NULL) {
+			UACCE_BUS_ERR("cannot parse argument list %s", str);
+			return NULL;
+		}
+	}
+	find_device = uacce_bus.bus.find_device;
+	dev = find_device(start, uacce_dev_match, kvargs);
+	rte_kvargs_free(kvargs);
+	return dev;
+}
+
+int
+rte_uacce_avail_queues(struct rte_uacce_device *dev)
+{
+	int avails = 0;
+	int ret;
+
+	ret = uacce_read_attr_int(dev->dev_root, "available_instances", &avails);
+	if (ret == 0)
+		ret = avails;
+
+	return ret;
+}
+
+int
+rte_uacce_queue_alloc(struct rte_uacce_device *dev, struct rte_uacce_qcontex *qctx)
+{
+	memset(qctx, 0, sizeof(*qctx));
+
+	qctx->fd = open(dev->cdev_path, O_RDWR | O_CLOEXEC);
+	if (qctx->fd >= 0) {
+		qctx->dev = dev;
+		return 0;
+	}
+
+	return -EIO;
+}
+
+void
+rte_uacce_queue_free(struct rte_uacce_qcontex *qctx)
+{
+	if (qctx->fd >= 0)
+		close(qctx->fd);
+	memset(qctx, 0, sizeof(*qctx));
+	qctx->fd = -1;
+}
+
+int
+rte_uacce_queue_start(struct rte_uacce_qcontex *qctx)
+{
+#define UACCE_CMD_START_Q	_IO('W', 0)
+	return ioctl(qctx->fd, UACCE_CMD_START_Q);
+}
+
+int
+rte_uacce_queue_ioctl(struct rte_uacce_qcontex *qctx, unsigned long cmd, void *arg)
+{
+	if (arg == NULL)
+		return ioctl(qctx->fd, cmd);
+
+	return ioctl(qctx->fd, cmd, arg);
+}
+
+void *
+rte_uacce_queue_mmap(struct rte_uacce_qcontex *qctx, enum rte_uacce_qfrt qfrt)
+{
+	size_t size = qctx->dev->qfrt_sz[qfrt];
+	off_t off = qfrt * getpagesize();
+	void *addr;
+
+	if (size == 0 || qctx->qfrt_base[qfrt] != NULL) {
+		UACCE_BUS_ERR("failed to mmap for %s, size is zero or already mmapped!",
+			      qctx->dev->name);
+		return NULL;
+	}
+
+	addr = mmap(0, size, PROT_READ | PROT_WRITE, MAP_SHARED, qctx->fd, off);
+	if (addr == MAP_FAILED) {
+		UACCE_BUS_ERR("failed to mmap for %s, qfrt %d err %d!",
+			      qctx->dev->name, qfrt, -errno);
+		return NULL;
+	}
+	qctx->qfrt_base[qfrt] = addr;
+
+	return addr;
+}
+
+void
+rte_uacce_queue_unmap(struct rte_uacce_qcontex *qctx, enum rte_uacce_qfrt qfrt)
+{
+	if (qctx->qfrt_base[qfrt] != NULL) {
+		munmap(qctx->qfrt_base[qfrt], qctx->dev->qfrt_sz[qfrt]);
+		qctx->qfrt_base[qfrt] = NULL;
+	}
+}
+
+void
+rte_uacce_register(struct rte_uacce_driver *driver)
+{
+	TAILQ_INSERT_TAIL(&uacce_bus.driver_list, driver, next);
+	driver->bus = &uacce_bus;
+}
+
+void
+rte_uacce_unregister(struct rte_uacce_driver *driver)
+{
+	TAILQ_REMOVE(&uacce_bus.driver_list, driver, next);
+	driver->bus = NULL;
+}
+
+static struct rte_uacce_bus uacce_bus = {
+	.bus = {
+		.scan = uacce_scan,
+		.probe = uacce_probe,
+		.cleanup = uacce_cleanup,
+		.plug = uacce_plug,
+		.unplug = uacce_unplug,
+		.find_device = uacce_find_device,
+		.parse = uacce_parse,
+		.dev_iterate = uacce_dev_iterate,
+	},
+	.device_list = TAILQ_HEAD_INITIALIZER(uacce_bus.device_list),
+	.driver_list = TAILQ_HEAD_INITIALIZER(uacce_bus.driver_list),
+};
+
+RTE_REGISTER_BUS(uacce, uacce_bus.bus);
+RTE_LOG_REGISTER_DEFAULT(uacce_bus_logtype, NOTICE);
diff --git a/drivers/bus/uacce/version.map b/drivers/bus/uacce/version.map
new file mode 100644
index 0000000000..533b2ea0d8
--- /dev/null
+++ b/drivers/bus/uacce/version.map
@@ -0,0 +1,15 @@
+INTERNAL {
+	global:
+
+	rte_uacce_avail_queues;
+	rte_uacce_queue_alloc;
+	rte_uacce_queue_free;
+	rte_uacce_queue_ioctl;
+	rte_uacce_queue_mmap;
+	rte_uacce_queue_start;
+	rte_uacce_queue_unmap;
+	rte_uacce_register;
+	rte_uacce_unregister;
+
+	local: *;
+};
