New upstream version 18.02upstream/18.02

Change-Id: I89ed24cb2a49b78fe5be6970b99dd46c1499fcc3
Signed-off-by: Luca Boccassi <luca.boccassi@gmail.com>

14 files changed, 255 insertions, 564 deletions

diff --git a/lib/librte_power/Makefile b/lib/librte_power/Makefile
index 1b1491d7..6f85e885 100644
--- a/lib/librte_power/Makefile
+++ b/lib/librte_power/Makefile
@@ -1,33 +1,5 @@
-#   BSD LICENSE
-#
-#   Copyright(c) 2010-2014 Intel Corporation. All rights reserved.
-#   All rights reserved.
-#
-#   Redistribution and use in source and binary forms, with or without
-#   modification, are permitted provided that the following conditions
-#   are met:
-#
-#     * Redistributions of source code must retain the above copyright
-#       notice, this list of conditions and the following disclaimer.
-#     * Redistributions in binary form must reproduce the above copyright
-#       notice, this list of conditions and the following disclaimer in
-#       the documentation and/or other materials provided with the
-#       distribution.
-#     * Neither the name of Intel Corporation nor the names of its
-#       contributors may be used to endorse or promote products derived
-#       from this software without specific prior written permission.
-#
-#   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-#   "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-#   LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
-#   A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
-#   OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
-#   SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
-#   LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
-#   DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
-#   THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-#   (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
-#   OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+# SPDX-License-Identifier: BSD-3-Clause
+# Copyright(c) 2010-2014 Intel Corporation
 
 include $(RTE_SDK)/mk/rte.vars.mk
 
@@ -42,8 +14,8 @@ EXPORT_MAP := rte_power_version.map
 LIBABIVER := 1
 
 # all source are stored in SRCS-y
-SRCS-$(CONFIG_RTE_LIBRTE_POWER) := rte_power.c rte_power_acpi_cpufreq.c
-SRCS-$(CONFIG_RTE_LIBRTE_POWER) += rte_power_kvm_vm.c guest_channel.c
+SRCS-$(CONFIG_RTE_LIBRTE_POWER) := rte_power.c power_acpi_cpufreq.c
+SRCS-$(CONFIG_RTE_LIBRTE_POWER) += power_kvm_vm.c guest_channel.c
 
 # install this header file
 SYMLINK-$(CONFIG_RTE_LIBRTE_POWER)-include := rte_power.h
diff --git a/lib/librte_power/channel_commands.h b/lib/librte_power/channel_commands.h
index f0f5f0a2..5e8b4ab5 100644
--- a/lib/librte_power/channel_commands.h
+++ b/lib/librte_power/channel_commands.h
@@ -1,34 +1,5 @@
-/*-
- *   BSD LICENSE
- *
- *   Copyright(c) 2010-2014 Intel Corporation. All rights reserved.
- *   All rights reserved.
- *
- *   Redistribution and use in source and binary forms, with or without
- *   modification, are permitted provided that the following conditions
- *   are met:
- *
- *     * Redistributions of source code must retain the above copyright
- *       notice, this list of conditions and the following disclaimer.
- *     * Redistributions in binary form must reproduce the above copyright
- *       notice, this list of conditions and the following disclaimer in
- *       the documentation and/or other materials provided with the
- *       distribution.
- *     * Neither the name of Intel Corporation nor the names of its
- *       contributors may be used to endorse or promote products derived
- *       from this software without specific prior written permission.
- *
- *   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- *   "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- *   LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- *   A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- *   OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- *   SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- *   LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- *   DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- *   THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- *   (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- *   OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(c) 2010-2014 Intel Corporation
  */
 
 #ifndef CHANNEL_COMMANDS_H_
diff --git a/lib/librte_power/guest_channel.c b/lib/librte_power/guest_channel.c
index fa5de0f5..c17ea46b 100644
--- a/lib/librte_power/guest_channel.c
+++ b/lib/librte_power/guest_channel.c
@@ -1,34 +1,5 @@
-/*-
- *   BSD LICENSE
- *
- *   Copyright(c) 2010-2014 Intel Corporation. All rights reserved.
- *   All rights reserved.
- *
- *   Redistribution and use in source and binary forms, with or without
- *   modification, are permitted provided that the following conditions
- *   are met:
- *
- *     * Redistributions of source code must retain the above copyright
- *       notice, this list of conditions and the following disclaimer.
- *     * Redistributions in binary form must reproduce the above copyright
- *       notice, this list of conditions and the following disclaimer in
- *       the documentation and/or other materials provided with the
- *       distribution.
- *     * Neither the name of Intel Corporation nor the names of its
- *       contributors may be used to endorse or promote products derived
- *       from this software without specific prior written permission.
- *
- *   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- *   "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- *   LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- *   A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- *   OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- *   SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- *   LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- *   DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- *   THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- *   (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- *   OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(c) 2010-2014 Intel Corporation
  */
 
 #include <stdio.h>
@@ -51,7 +22,7 @@
 static int global_fds[RTE_MAX_LCORE];
 
 int
-guest_channel_host_connect(const char *path, unsigned lcore_id)
+guest_channel_host_connect(const char *path, unsigned int lcore_id)
 {
 	int flags, ret;
 	struct channel_packet pkt;
@@ -118,7 +89,7 @@ error:
 }
 
 int
-guest_channel_send_msg(struct channel_packet *pkt, unsigned lcore_id)
+guest_channel_send_msg(struct channel_packet *pkt, unsigned int lcore_id)
 {
 	int ret, buffer_len = sizeof(*pkt);
 	void *buffer = pkt;
@@ -156,7 +127,7 @@ int rte_power_guest_channel_send_msg(struct channel_packet *pkt,
 
 
 void
-guest_channel_host_disconnect(unsigned lcore_id)
+guest_channel_host_disconnect(unsigned int lcore_id)
 {
 	if (lcore_id >= RTE_MAX_LCORE) {
 		RTE_LOG(ERR, GUEST_CHANNEL, "Channel(%u) is out of range 0...%d\n",
diff --git a/lib/librte_power/guest_channel.h b/lib/librte_power/guest_channel.h
index 741339ca..373d3989 100644
--- a/lib/librte_power/guest_channel.h
+++ b/lib/librte_power/guest_channel.h
@@ -1,34 +1,5 @@
-/*-
- *   BSD LICENSE
- *
- *   Copyright(c) 2010-2014 Intel Corporation. All rights reserved.
- *   All rights reserved.
- *
- *   Redistribution and use in source and binary forms, with or without
- *   modification, are permitted provided that the following conditions
- *   are met:
- *
- *     * Redistributions of source code must retain the above copyright
- *       notice, this list of conditions and the following disclaimer.
- *     * Redistributions in binary form must reproduce the above copyright
- *       notice, this list of conditions and the following disclaimer in
- *       the documentation and/or other materials provided with the
- *       distribution.
- *     * Neither the name of Intel Corporation nor the names of its
- *       contributors may be used to endorse or promote products derived
- *       from this software without specific prior written permission.
- *
- *   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- *   "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- *   LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- *   A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- *   OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- *   SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- *   LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- *   DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- *   THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- *   (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- *   OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(c) 2010-2014 Intel Corporation
  */
 #ifndef _GUEST_CHANNEL_H
 #define _GUEST_CHANNEL_H
@@ -53,7 +24,7 @@ extern "C" {
  *  - 0 on success.
  *  - Negative on error.
  */
-int guest_channel_host_connect(const char *path, unsigned lcore_id);
+int guest_channel_host_connect(const char *path, unsigned int lcore_id);
 
 /**
  * Disconnect from an already connected Virtio-Serial Endpoint.
@@ -63,7 +34,7 @@ int guest_channel_host_connect(const char *path, unsigned lcore_id);
  *  lcore_id.
  *
  */
-void guest_channel_host_disconnect(unsigned lcore_id);
+void guest_channel_host_disconnect(unsigned int lcore_id);
 
 /**
  * Send a message contained in pkt over the Virtio-Serial to the host endpoint.
@@ -79,7 +50,7 @@ void guest_channel_host_disconnect(unsigned lcore_id);
  *  - Negative on channel not connected.
  *  - errno on write to channel error.
  */
-int guest_channel_send_msg(struct channel_packet *pkt, unsigned lcore_id);
+int guest_channel_send_msg(struct channel_packet *pkt, unsigned int lcore_id);
 
 /**
  * Send a message contained in pkt over the Virtio-Serial to the host endpoint.
diff --git a/lib/librte_power/meson.build b/lib/librte_power/meson.build
new file mode 100644
index 00000000..253173f2
--- /dev/null
+++ b/lib/librte_power/meson.build
@@ -0,0 +1,9 @@
+# SPDX-License-Identifier: BSD-3-Clause
+# Copyright(c) 2017 Intel Corporation
+
+if host_machine.system() != 'linux'
+	build = false
+endif
+sources = files('rte_power.c', 'power_acpi_cpufreq.c',
+		'power_kvm_vm.c', 'guest_channel.c')
+headers = files('rte_power.h')
diff --git a/lib/librte_power/rte_power_acpi_cpufreq.c b/lib/librte_power/power_acpi_cpufreq.c
index 6b0cdb2e..bce933e9 100644
--- a/lib/librte_power/rte_power_acpi_cpufreq.c
+++ b/lib/librte_power/power_acpi_cpufreq.c
@@ -1,34 +1,5 @@
-/*-
- *   BSD LICENSE
- *
- *   Copyright(c) 2010-2014 Intel Corporation. All rights reserved.
- *   All rights reserved.
- *
- *   Redistribution and use in source and binary forms, with or without
- *   modification, are permitted provided that the following conditions
- *   are met:
- *
- *     * Redistributions of source code must retain the above copyright
- *       notice, this list of conditions and the following disclaimer.
- *     * Redistributions in binary form must reproduce the above copyright
- *       notice, this list of conditions and the following disclaimer in
- *       the documentation and/or other materials provided with the
- *       distribution.
- *     * Neither the name of Intel Corporation nor the names of its
- *       contributors may be used to endorse or promote products derived
- *       from this software without specific prior written permission.
- *
- *   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- *   "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- *   LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- *   A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- *   OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- *   SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- *   LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- *   DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- *   THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- *   (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- *   OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(c) 2010-2014 Intel Corporation
  */
 
 #include <stdio.h>
@@ -44,8 +15,8 @@
 #include <rte_memcpy.h>
 #include <rte_atomic.h>
 
-#include "rte_power_acpi_cpufreq.h"
-#include "rte_power_common.h"
+#include "power_acpi_cpufreq.h"
+#include "power_common.h"
 
 #ifdef RTE_LIBRTE_POWER_DEBUG
 #define POWER_DEBUG_TRACE(fmt, args...) do { \
@@ -106,7 +77,7 @@ enum power_state {
  * Power info per lcore.
  */
 struct rte_power_info {
-	unsigned lcore_id;                   /**< Logical core id */
+	unsigned int lcore_id;                   /**< Logical core id */
 	uint32_t freqs[RTE_MAX_LCORE_FREQS]; /**< Frequency array */
 	uint32_t nb_freqs;                   /**< number of available freqs */
 	FILE *f;                             /**< FD of scaling_setspeed */
@@ -311,7 +282,7 @@ out:
 }
 
 int
-rte_power_acpi_cpufreq_init(unsigned lcore_id)
+power_acpi_cpufreq_init(unsigned int lcore_id)
 {
 	struct rte_power_info *pi;
 
@@ -352,7 +323,7 @@ rte_power_acpi_cpufreq_init(unsigned lcore_id)
 	}
 
 	/* Set freq to max by default */
-	if (rte_power_acpi_cpufreq_freq_max(lcore_id) < 0) {
+	if (power_acpi_cpufreq_freq_max(lcore_id) < 0) {
 		RTE_LOG(ERR, POWER, "Cannot set frequency of lcore %u "
 				"to max\n", lcore_id);
 		goto fail;
@@ -372,7 +343,7 @@ fail:
 
 /**
  * It is to check the governor and then set the original governor back if
- * needed by writing the the sys file.
+ * needed by writing the sys file.
  */
 static int
 power_set_governor_original(struct rte_power_info *pi)
@@ -419,7 +390,7 @@ out:
 }
 
 int
-rte_power_acpi_cpufreq_exit(unsigned lcore_id)
+power_acpi_cpufreq_exit(unsigned int lcore_id)
 {
 	struct rte_power_info *pi;
 
@@ -461,7 +432,7 @@ fail:
 }
 
 uint32_t
-rte_power_acpi_cpufreq_freqs(unsigned lcore_id, uint32_t *freqs, uint32_t num)
+power_acpi_cpufreq_freqs(unsigned int lcore_id, uint32_t *freqs, uint32_t num)
 {
 	struct rte_power_info *pi;
 
@@ -481,7 +452,7 @@ rte_power_acpi_cpufreq_freqs(unsigned lcore_id, uint32_t *freqs, uint32_t num)
 }
 
 uint32_t
-rte_power_acpi_cpufreq_get_freq(unsigned lcore_id)
+power_acpi_cpufreq_get_freq(unsigned int lcore_id)
 {
 	if (lcore_id >= RTE_MAX_LCORE) {
 		RTE_LOG(ERR, POWER, "Invalid lcore ID\n");
@@ -492,7 +463,7 @@ rte_power_acpi_cpufreq_get_freq(unsigned lcore_id)
 }
 
 int
-rte_power_acpi_cpufreq_set_freq(unsigned lcore_id, uint32_t index)
+power_acpi_cpufreq_set_freq(unsigned int lcore_id, uint32_t index)
 {
 	if (lcore_id >= RTE_MAX_LCORE) {
 		RTE_LOG(ERR, POWER, "Invalid lcore ID\n");
@@ -503,7 +474,7 @@ rte_power_acpi_cpufreq_set_freq(unsigned lcore_id, uint32_t index)
 }
 
 int
-rte_power_acpi_cpufreq_freq_down(unsigned lcore_id)
+power_acpi_cpufreq_freq_down(unsigned int lcore_id)
 {
 	struct rte_power_info *pi;
 
@@ -521,7 +492,7 @@ rte_power_acpi_cpufreq_freq_down(unsigned lcore_id)
 }
 
 int
-rte_power_acpi_cpufreq_freq_up(unsigned lcore_id)
+power_acpi_cpufreq_freq_up(unsigned int lcore_id)
 {
 	struct rte_power_info *pi;
 
@@ -539,7 +510,7 @@ rte_power_acpi_cpufreq_freq_up(unsigned lcore_id)
 }
 
 int
-rte_power_acpi_cpufreq_freq_max(unsigned lcore_id)
+power_acpi_cpufreq_freq_max(unsigned int lcore_id)
 {
 	if (lcore_id >= RTE_MAX_LCORE) {
 		RTE_LOG(ERR, POWER, "Invalid lcore ID\n");
@@ -561,7 +532,7 @@ rte_power_acpi_cpufreq_freq_max(unsigned lcore_id)
 }
 
 int
-rte_power_acpi_cpufreq_freq_min(unsigned lcore_id)
+power_acpi_cpufreq_freq_min(unsigned int lcore_id)
 {
 	struct rte_power_info *pi;
 
@@ -578,7 +549,7 @@ rte_power_acpi_cpufreq_freq_min(unsigned lcore_id)
 
 
 int
-rte_power_acpi_turbo_status(unsigned int lcore_id)
+power_acpi_turbo_status(unsigned int lcore_id)
 {
 	struct rte_power_info *pi;
 
@@ -594,7 +565,7 @@ rte_power_acpi_turbo_status(unsigned int lcore_id)
 
 
 int
-rte_power_acpi_enable_turbo(unsigned int lcore_id)
+power_acpi_enable_turbo(unsigned int lcore_id)
 {
 	struct rte_power_info *pi;
 
@@ -616,7 +587,7 @@ rte_power_acpi_enable_turbo(unsigned int lcore_id)
 	}
 
 	/* Max may have changed, so call to max function */
-	if (rte_power_acpi_cpufreq_freq_max(lcore_id) < 0) {
+	if (power_acpi_cpufreq_freq_max(lcore_id) < 0) {
 		RTE_LOG(ERR, POWER,
 			"Failed to set frequency of lcore %u to max\n",
 			lcore_id);
@@ -627,7 +598,7 @@ rte_power_acpi_enable_turbo(unsigned int lcore_id)
 }
 
 int
-rte_power_acpi_disable_turbo(unsigned int lcore_id)
+power_acpi_disable_turbo(unsigned int lcore_id)
 {
 	struct rte_power_info *pi;
 
@@ -642,7 +613,7 @@ rte_power_acpi_disable_turbo(unsigned int lcore_id)
 
 	if ((pi->turbo_available) && (pi->curr_idx <= 1)) {
 		/* Try to set freq to max by default coming out of turbo */
-		if (rte_power_acpi_cpufreq_freq_max(lcore_id) < 0) {
+		if (power_acpi_cpufreq_freq_max(lcore_id) < 0) {
 			RTE_LOG(ERR, POWER,
 				"Failed to set frequency of lcore %u to max\n",
 				lcore_id);
diff --git a/lib/librte_power/rte_power_acpi_cpufreq.h b/lib/librte_power/power_acpi_cpufreq.h
index bc20dfd6..edeeb27a 100644
--- a/lib/librte_power/rte_power_acpi_cpufreq.h
+++ b/lib/librte_power/power_acpi_cpufreq.h
@@ -1,38 +1,9 @@
-/*-
- *   BSD LICENSE
- *
- *   Copyright(c) 2010-2014 Intel Corporation. All rights reserved.
- *   All rights reserved.
- *
- *   Redistribution and use in source and binary forms, with or without
- *   modification, are permitted provided that the following conditions
- *   are met:
- *
- *     * Redistributions of source code must retain the above copyright
- *       notice, this list of conditions and the following disclaimer.
- *     * Redistributions in binary form must reproduce the above copyright
- *       notice, this list of conditions and the following disclaimer in
- *       the documentation and/or other materials provided with the
- *       distribution.
- *     * Neither the name of Intel Corporation nor the names of its
- *       contributors may be used to endorse or promote products derived
- *       from this software without specific prior written permission.
- *
- *   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- *   "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- *   LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- *   A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- *   OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- *   SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- *   LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- *   DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- *   THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- *   (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- *   OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(c) 2010-2014 Intel Corporation
  */
 
-#ifndef _RTE_POWER_ACPI_CPUFREQ_H
-#define _RTE_POWER_ACPI_CPUFREQ_H
+#ifndef _POWER_ACPI_CPUFREQ_H
+#define _POWER_ACPI_CPUFREQ_H
 
 /**
  * @file
@@ -60,7 +31,7 @@ extern "C" {
  *  - 0 on success.
  *  - Negative on error.
  */
-int rte_power_acpi_cpufreq_init(unsigned lcore_id);
+int power_acpi_cpufreq_init(unsigned int lcore_id);
 
 /**
  * Exit power management on a specific lcore. It will set the governor to which
@@ -73,7 +44,7 @@ int rte_power_acpi_cpufreq_init(unsigned lcore_id);
  *  - 0 on success.
  *  - Negative on error.
  */
-int rte_power_acpi_cpufreq_exit(unsigned lcore_id);
+int power_acpi_cpufreq_exit(unsigned int lcore_id);
 
 /**
  * Get the available frequencies of a specific lcore. The return value will be
@@ -92,7 +63,7 @@ int rte_power_acpi_cpufreq_exit(unsigned lcore_id);
  * @return
  *  The number of available frequencies.
  */
-uint32_t rte_power_acpi_cpufreq_freqs(unsigned lcore_id, uint32_t *freqs,
+uint32_t power_acpi_cpufreq_freqs(unsigned int lcore_id, uint32_t *freqs,
 		uint32_t num);
 
 /**
@@ -106,7 +77,7 @@ uint32_t rte_power_acpi_cpufreq_freqs(unsigned lcore_id, uint32_t *freqs,
  * @return
  *  The current index of available frequencies.
  */
-uint32_t rte_power_acpi_cpufreq_get_freq(unsigned lcore_id);
+uint32_t power_acpi_cpufreq_get_freq(unsigned int lcore_id);
 
 /**
  * Set the new frequency for a specific lcore by indicating the index of
@@ -123,7 +94,7 @@ uint32_t rte_power_acpi_cpufreq_get_freq(unsigned lcore_id);
  *  - 0 on success without frequency changed.
  *  - Negative on error.
  */
-int rte_power_acpi_cpufreq_set_freq(unsigned lcore_id, uint32_t index);
+int power_acpi_cpufreq_set_freq(unsigned int lcore_id, uint32_t index);
 
 /**
  * Scale up the frequency of a specific lcore according to the available
@@ -138,7 +109,7 @@ int rte_power_acpi_cpufreq_set_freq(unsigned lcore_id, uint32_t index);
  *  - 0 on success without frequency changed.
  *  - Negative on error.
  */
-int rte_power_acpi_cpufreq_freq_up(unsigned lcore_id);
+int power_acpi_cpufreq_freq_up(unsigned int lcore_id);
 
 /**
  * Scale down the frequency of a specific lcore according to the available
@@ -153,7 +124,7 @@ int rte_power_acpi_cpufreq_freq_up(unsigned lcore_id);
  *  - 0 on success without frequency changed.
  *  - Negative on error.
  */
-int rte_power_acpi_cpufreq_freq_down(unsigned lcore_id);
+int power_acpi_cpufreq_freq_down(unsigned int lcore_id);
 
 /**
  * Scale up the frequency of a specific lcore to the highest according to the
@@ -168,7 +139,7 @@ int rte_power_acpi_cpufreq_freq_down(unsigned lcore_id);
  *  - 0 on success without frequency changed.
  *  - Negative on error.
  */
-int rte_power_acpi_cpufreq_freq_max(unsigned lcore_id);
+int power_acpi_cpufreq_freq_max(unsigned int lcore_id);
 
 /**
  * Scale down the frequency of a specific lcore to the lowest according to the
@@ -183,7 +154,7 @@ int rte_power_acpi_cpufreq_freq_max(unsigned lcore_id);
  *  - 0 on success without frequency changed.
  *  - Negative on error.
  */
-int rte_power_acpi_cpufreq_freq_min(unsigned lcore_id);
+int power_acpi_cpufreq_freq_min(unsigned int lcore_id);
 
 /**
  * Get the turbo status of a specific lcore.
@@ -197,7 +168,7 @@ int rte_power_acpi_cpufreq_freq_min(unsigned lcore_id);
  *  - 0 Turbo Boost is disabled on this lcore.
  *  - Negative on error.
  */
-int rte_power_acpi_turbo_status(unsigned int lcore_id);
+int power_acpi_turbo_status(unsigned int lcore_id);
 
 /**
  * Enable Turbo Boost on a specific lcore.
@@ -210,7 +181,7 @@ int rte_power_acpi_turbo_status(unsigned int lcore_id);
  *  - 0 Turbo Boost is enabled successfully on this lcore.
  *  - Negative on error.
  */
-int rte_power_acpi_enable_turbo(unsigned int lcore_id);
+int power_acpi_enable_turbo(unsigned int lcore_id);
 
 /**
  * Disable Turbo Boost on a specific lcore.
@@ -223,7 +194,7 @@ int rte_power_acpi_enable_turbo(unsigned int lcore_id);
  *  - 0 Turbo Boost disabled successfully on this lcore.
  *  - Negative on error.
  */
-int rte_power_acpi_disable_turbo(unsigned int lcore_id);
+int power_acpi_disable_turbo(unsigned int lcore_id);
 
 #ifdef __cplusplus
 }
diff --git a/lib/librte_power/power_common.h b/lib/librte_power/power_common.h
new file mode 100644
index 00000000..feeb5777
--- /dev/null
+++ b/lib/librte_power/power_common.h
@@ -0,0 +1,10 @@
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(c) 2010-2014 Intel Corporation
+ */
+
+#ifndef _POWER_COMMON_H_
+#define _POWER_COMMON_H_
+
+#define RTE_POWER_INVALID_FREQ_INDEX (~0)
+
+#endif /* _POWER_COMMON_H_ */
diff --git a/lib/librte_power/power_kvm_vm.c b/lib/librte_power/power_kvm_vm.c
new file mode 100644
index 00000000..38e9066f
--- /dev/null
+++ b/lib/librte_power/power_kvm_vm.c
@@ -0,0 +1,126 @@
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(c) 2010-2014 Intel Corporation
+ */
+#include <errno.h>
+#include <string.h>
+
+#include <rte_log.h>
+
+#include "guest_channel.h"
+#include "channel_commands.h"
+#include "power_kvm_vm.h"
+#include "power_common.h"
+
+#define FD_PATH "/dev/virtio-ports/virtio.serial.port.poweragent"
+
+static struct channel_packet pkt[CHANNEL_CMDS_MAX_VM_CHANNELS];
+
+
+int
+power_kvm_vm_init(unsigned int lcore_id)
+{
+	if (lcore_id >= CHANNEL_CMDS_MAX_VM_CHANNELS) {
+		RTE_LOG(ERR, POWER, "Core(%u) is out of range 0...%d\n",
+				lcore_id, CHANNEL_CMDS_MAX_VM_CHANNELS-1);
+		return -1;
+	}
+	pkt[lcore_id].command = CPU_POWER;
+	pkt[lcore_id].resource_id = lcore_id;
+	return guest_channel_host_connect(FD_PATH, lcore_id);
+}
+
+int
+power_kvm_vm_exit(unsigned int lcore_id)
+{
+	guest_channel_host_disconnect(lcore_id);
+	return 0;
+}
+
+uint32_t
+power_kvm_vm_freqs(__attribute__((unused)) unsigned int lcore_id,
+		__attribute__((unused)) uint32_t *freqs,
+		__attribute__((unused)) uint32_t num)
+{
+	RTE_LOG(ERR, POWER, "rte_power_freqs is not implemented "
+			"for Virtual Machine Power Management\n");
+	return -ENOTSUP;
+}
+
+uint32_t
+power_kvm_vm_get_freq(__attribute__((unused)) unsigned int lcore_id)
+{
+	RTE_LOG(ERR, POWER, "rte_power_get_freq is not implemented "
+			"for Virtual Machine Power Management\n");
+	return -ENOTSUP;
+}
+
+int
+power_kvm_vm_set_freq(__attribute__((unused)) unsigned int lcore_id,
+		__attribute__((unused)) uint32_t index)
+{
+	RTE_LOG(ERR, POWER, "rte_power_set_freq is not implemented "
+			"for Virtual Machine Power Management\n");
+	return -ENOTSUP;
+}
+
+static inline int
+send_msg(unsigned int lcore_id, uint32_t scale_direction)
+{
+	int ret;
+
+	if (lcore_id >= CHANNEL_CMDS_MAX_VM_CHANNELS) {
+		RTE_LOG(ERR, POWER, "Core(%u) is out of range 0...%d\n",
+				lcore_id, CHANNEL_CMDS_MAX_VM_CHANNELS-1);
+		return -1;
+	}
+	pkt[lcore_id].unit = scale_direction;
+	ret = guest_channel_send_msg(&pkt[lcore_id], lcore_id);
+	if (ret == 0)
+		return 1;
+	RTE_LOG(DEBUG, POWER, "Error sending message: %s\n",
+			ret > 0 ? strerror(ret) : "channel not connected");
+	return -1;
+}
+
+int
+power_kvm_vm_freq_up(unsigned int lcore_id)
+{
+	return send_msg(lcore_id, CPU_POWER_SCALE_UP);
+}
+
+int
+power_kvm_vm_freq_down(unsigned int lcore_id)
+{
+	return send_msg(lcore_id, CPU_POWER_SCALE_DOWN);
+}
+
+int
+power_kvm_vm_freq_max(unsigned int lcore_id)
+{
+	return send_msg(lcore_id, CPU_POWER_SCALE_MAX);
+}
+
+int
+power_kvm_vm_freq_min(unsigned int lcore_id)
+{
+	return send_msg(lcore_id, CPU_POWER_SCALE_MIN);
+}
+
+int
+power_kvm_vm_turbo_status(__attribute__((unused)) unsigned int lcore_id)
+{
+	RTE_LOG(ERR, POWER, "rte_power_turbo_status is not implemented for Virtual Machine Power Management\n");
+	return -ENOTSUP;
+}
+
+int
+power_kvm_vm_enable_turbo(unsigned int lcore_id)
+{
+	return send_msg(lcore_id, CPU_POWER_ENABLE_TURBO);
+}
+
+int
+power_kvm_vm_disable_turbo(unsigned int lcore_id)
+{
+	return send_msg(lcore_id, CPU_POWER_DISABLE_TURBO);
+}
diff --git a/lib/librte_power/rte_power_kvm_vm.h b/lib/librte_power/power_kvm_vm.h
index 9af41d64..446d6997 100644
--- a/lib/librte_power/rte_power_kvm_vm.h
+++ b/lib/librte_power/power_kvm_vm.h
@@ -1,38 +1,9 @@
-/*-
- *   BSD LICENSE
- *
- *   Copyright(c) 2010-2014 Intel Corporation. All rights reserved.
- *   All rights reserved.
- *
- *   Redistribution and use in source and binary forms, with or without
- *   modification, are permitted provided that the following conditions
- *   are met:
- *
- *     * Redistributions of source code must retain the above copyright
- *       notice, this list of conditions and the following disclaimer.
- *     * Redistributions in binary form must reproduce the above copyright
- *       notice, this list of conditions and the following disclaimer in
- *       the documentation and/or other materials provided with the
- *       distribution.
- *     * Neither the name of Intel Corporation nor the names of its
- *       contributors may be used to endorse or promote products derived
- *       from this software without specific prior written permission.
- *
- *   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- *   "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- *   LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- *   A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- *   OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- *   SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- *   LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- *   DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- *   THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- *   (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- *   OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(c) 2010-2014 Intel Corporation
  */
 
-#ifndef _RTE_POWER_KVM_VM_H
-#define _RTE_POWER_KVM_VM_H
+#ifndef _POWER_KVM_VM_H
+#define _POWER_KVM_VM_H
 
 /**
  * @file
@@ -58,7 +29,7 @@ extern "C" {
  *  - 0 on success.
  *  - Negative on error.
  */
-int rte_power_kvm_vm_init(unsigned lcore_id);
+int power_kvm_vm_init(unsigned int lcore_id);
 
 /**
  * Exit power management on a specific lcore.
@@ -70,7 +41,7 @@ int rte_power_kvm_vm_init(unsigned lcore_id);
  *  - 0 on success.
  *  - Negative on error.
  */
-int rte_power_kvm_vm_exit(unsigned lcore_id);
+int power_kvm_vm_exit(unsigned int lcore_id);
 
 /**
  * Get the available frequencies of a specific lcore.
@@ -86,7 +57,7 @@ int rte_power_kvm_vm_exit(unsigned lcore_id);
  * @return
  *  -ENOTSUP
  */
-uint32_t rte_power_kvm_vm_freqs(unsigned lcore_id, uint32_t *freqs,
+uint32_t power_kvm_vm_freqs(unsigned int lcore_id, uint32_t *freqs,
 		uint32_t num);
 
 /**
@@ -99,7 +70,7 @@ uint32_t rte_power_kvm_vm_freqs(unsigned lcore_id, uint32_t *freqs,
  * @return
  *  -ENOTSUP
  */
-uint32_t rte_power_kvm_vm_get_freq(unsigned lcore_id);
+uint32_t power_kvm_vm_get_freq(unsigned int lcore_id);
 
 /**
  * Set the new frequency for a specific lcore by indicating the index of
@@ -114,7 +85,7 @@ uint32_t rte_power_kvm_vm_get_freq(unsigned lcore_id);
  * @return
  *  -ENOTSUP
  */
-int rte_power_kvm_vm_set_freq(unsigned lcore_id, uint32_t index);
+int power_kvm_vm_set_freq(unsigned int lcore_id, uint32_t index);
 
 /**
  * Scale up the frequency of a specific lcore. This request is forwarded to the
@@ -128,7 +99,7 @@ int rte_power_kvm_vm_set_freq(unsigned lcore_id, uint32_t index);
  *  - 1 on success.
  *  - Negative on error.
  */
-int rte_power_kvm_vm_freq_up(unsigned lcore_id);
+int power_kvm_vm_freq_up(unsigned int lcore_id);
 
 /**
  * Scale down the frequency of a specific lcore according to the available
@@ -142,7 +113,7 @@ int rte_power_kvm_vm_freq_up(unsigned lcore_id);
  *  - 1 on success.
  *  - Negative on error.
  */
-int rte_power_kvm_vm_freq_down(unsigned lcore_id);
+int power_kvm_vm_freq_down(unsigned int lcore_id);
 
 /**
  * Scale up the frequency of a specific lcore to the highest according to the
@@ -156,7 +127,7 @@ int rte_power_kvm_vm_freq_down(unsigned lcore_id);
  *  - 1 on success.
  *  - Negative on error.
  */
-int rte_power_kvm_vm_freq_max(unsigned lcore_id);
+int power_kvm_vm_freq_max(unsigned int lcore_id);
 
 /**
  * Scale down the frequency of a specific lcore to the lowest according to the
@@ -170,7 +141,7 @@ int rte_power_kvm_vm_freq_max(unsigned lcore_id);
  *  - 1 on success.
  *  - Negative on error.
  */
-int rte_power_kvm_vm_freq_min(unsigned lcore_id);
+int power_kvm_vm_freq_min(unsigned int lcore_id);
 
 /**
  * It should be protected outside of this function for threadsafe.
@@ -181,7 +152,7 @@ int rte_power_kvm_vm_freq_min(unsigned lcore_id);
  * @return
  *  -ENOTSUP
  */
-int rte_power_kvm_vm_turbo_status(unsigned int lcore_id);
+int power_kvm_vm_turbo_status(unsigned int lcore_id);
 
 /**
  * It should be protected outside of this function for threadsafe.
@@ -193,7 +164,7 @@ int rte_power_kvm_vm_turbo_status(unsigned int lcore_id);
  *  - 1 on success.
  *  - Negative on error.
  */
-int rte_power_kvm_vm_enable_turbo(unsigned int lcore_id);
+int power_kvm_vm_enable_turbo(unsigned int lcore_id);
 
 /**
  * It should be protected outside of this function for threadsafe.
@@ -205,7 +176,7 @@ int rte_power_kvm_vm_enable_turbo(unsigned int lcore_id);
  *  - 1 on success.
  *  - Negative on error.
  */
-int rte_power_kvm_vm_disable_turbo(unsigned int lcore_id);
+int power_kvm_vm_disable_turbo(unsigned int lcore_id);
 #ifdef __cplusplus
 }
 #endif
diff --git a/lib/librte_power/rte_power.c b/lib/librte_power/rte_power.c
index b327a865..6c8fb403 100644
--- a/lib/librte_power/rte_power.c
+++ b/lib/librte_power/rte_power.c
@@ -1,42 +1,13 @@
-/*-
- *   BSD LICENSE
- *
- *   Copyright(c) 2010-2014 Intel Corporation. All rights reserved.
- *   All rights reserved.
- *
- *   Redistribution and use in source and binary forms, with or without
- *   modification, are permitted provided that the following conditions
- *   are met:
- *
- *     * Redistributions of source code must retain the above copyright
- *       notice, this list of conditions and the following disclaimer.
- *     * Redistributions in binary form must reproduce the above copyright
- *       notice, this list of conditions and the following disclaimer in
- *       the documentation and/or other materials provided with the
- *       distribution.
- *     * Neither the name of Intel Corporation nor the names of its
- *       contributors may be used to endorse or promote products derived
- *       from this software without specific prior written permission.
- *
- *   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- *   "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- *   LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- *   A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- *   OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- *   SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- *   LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- *   DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- *   THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- *   (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- *   OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(c) 2010-2014 Intel Corporation
  */
 
 #include <rte_atomic.h>
 
 #include "rte_power.h"
-#include "rte_power_acpi_cpufreq.h"
-#include "rte_power_kvm_vm.h"
-#include "rte_power_common.h"
+#include "power_acpi_cpufreq.h"
+#include "power_kvm_vm.h"
+#include "power_common.h"
 
 enum power_management_env global_default_env = PM_ENV_NOT_SET;
 
@@ -61,27 +32,27 @@ rte_power_set_env(enum power_management_env env)
 		return 0;
 	}
 	if (env == PM_ENV_ACPI_CPUFREQ) {
-		rte_power_freqs = rte_power_acpi_cpufreq_freqs;
-		rte_power_get_freq = rte_power_acpi_cpufreq_get_freq;
-		rte_power_set_freq = rte_power_acpi_cpufreq_set_freq;
-		rte_power_freq_up = rte_power_acpi_cpufreq_freq_up;
-		rte_power_freq_down = rte_power_acpi_cpufreq_freq_down;
-		rte_power_freq_min = rte_power_acpi_cpufreq_freq_min;
-		rte_power_freq_max = rte_power_acpi_cpufreq_freq_max;
-		rte_power_turbo_status = rte_power_acpi_turbo_status;
-		rte_power_freq_enable_turbo = rte_power_acpi_enable_turbo;
-		rte_power_freq_disable_turbo = rte_power_acpi_disable_turbo;
+		rte_power_freqs = power_acpi_cpufreq_freqs;
+		rte_power_get_freq = power_acpi_cpufreq_get_freq;
+		rte_power_set_freq = power_acpi_cpufreq_set_freq;
+		rte_power_freq_up = power_acpi_cpufreq_freq_up;
+		rte_power_freq_down = power_acpi_cpufreq_freq_down;
+		rte_power_freq_min = power_acpi_cpufreq_freq_min;
+		rte_power_freq_max = power_acpi_cpufreq_freq_max;
+		rte_power_turbo_status = power_acpi_turbo_status;
+		rte_power_freq_enable_turbo = power_acpi_enable_turbo;
+		rte_power_freq_disable_turbo = power_acpi_disable_turbo;
 	} else if (env == PM_ENV_KVM_VM) {
-		rte_power_freqs = rte_power_kvm_vm_freqs;
-		rte_power_get_freq = rte_power_kvm_vm_get_freq;
-		rte_power_set_freq = rte_power_kvm_vm_set_freq;
-		rte_power_freq_up = rte_power_kvm_vm_freq_up;
-		rte_power_freq_down = rte_power_kvm_vm_freq_down;
-		rte_power_freq_min = rte_power_kvm_vm_freq_min;
-		rte_power_freq_max = rte_power_kvm_vm_freq_max;
-		rte_power_turbo_status = rte_power_kvm_vm_turbo_status;
-		rte_power_freq_enable_turbo = rte_power_kvm_vm_enable_turbo;
-		rte_power_freq_disable_turbo = rte_power_kvm_vm_disable_turbo;
+		rte_power_freqs = power_kvm_vm_freqs;
+		rte_power_get_freq = power_kvm_vm_get_freq;
+		rte_power_set_freq = power_kvm_vm_set_freq;
+		rte_power_freq_up = power_kvm_vm_freq_up;
+		rte_power_freq_down = power_kvm_vm_freq_down;
+		rte_power_freq_min = power_kvm_vm_freq_min;
+		rte_power_freq_max = power_kvm_vm_freq_max;
+		rte_power_turbo_status = power_kvm_vm_turbo_status;
+		rte_power_freq_enable_turbo = power_kvm_vm_enable_turbo;
+		rte_power_freq_disable_turbo = power_kvm_vm_disable_turbo;
 	} else {
 		RTE_LOG(ERR, POWER, "Invalid Power Management Environment(%d) set\n",
 				env);
@@ -106,27 +77,27 @@ rte_power_get_env(void) {
 }
 
 int
-rte_power_init(unsigned lcore_id)
+rte_power_init(unsigned int lcore_id)
 {
 	int ret = -1;
 
 	if (global_default_env == PM_ENV_ACPI_CPUFREQ) {
-		return rte_power_acpi_cpufreq_init(lcore_id);
+		return power_acpi_cpufreq_init(lcore_id);
 	}
 	if (global_default_env == PM_ENV_KVM_VM) {
-		return rte_power_kvm_vm_init(lcore_id);
+		return power_kvm_vm_init(lcore_id);
 	}
 	/* Auto detect Environment */
 	RTE_LOG(INFO, POWER, "Attempting to initialise ACPI cpufreq power "
 			"management...\n");
-	ret = rte_power_acpi_cpufreq_init(lcore_id);
+	ret = power_acpi_cpufreq_init(lcore_id);
 	if (ret == 0) {
 		rte_power_set_env(PM_ENV_ACPI_CPUFREQ);
 		goto out;
 	}
 
 	RTE_LOG(INFO, POWER, "Attempting to initialise VM power management...\n");
-	ret = rte_power_kvm_vm_init(lcore_id);
+	ret = power_kvm_vm_init(lcore_id);
 	if (ret == 0) {
 		rte_power_set_env(PM_ENV_KVM_VM);
 		goto out;
@@ -138,12 +109,12 @@ out:
 }
 
 int
-rte_power_exit(unsigned lcore_id)
+rte_power_exit(unsigned int lcore_id)
 {
 	if (global_default_env == PM_ENV_ACPI_CPUFREQ)
-		return rte_power_acpi_cpufreq_exit(lcore_id);
+		return power_acpi_cpufreq_exit(lcore_id);
 	if (global_default_env == PM_ENV_KVM_VM)
-		return rte_power_kvm_vm_exit(lcore_id);
+		return power_kvm_vm_exit(lcore_id);
 
 	RTE_LOG(ERR, POWER, "Environment has not been set, unable to exit "
 				"gracefully\n");
diff --git a/lib/librte_power/rte_power.h b/lib/librte_power/rte_power.h
index b17b7a53..b4b7357b 100644
--- a/lib/librte_power/rte_power.h
+++ b/lib/librte_power/rte_power.h
@@ -1,34 +1,5 @@
-/*-
- *   BSD LICENSE
- *
- *   Copyright(c) 2010-2014 Intel Corporation. All rights reserved.
- *   All rights reserved.
- *
- *   Redistribution and use in source and binary forms, with or without
- *   modification, are permitted provided that the following conditions
- *   are met:
- *
- *     * Redistributions of source code must retain the above copyright
- *       notice, this list of conditions and the following disclaimer.
- *     * Redistributions in binary form must reproduce the above copyright
- *       notice, this list of conditions and the following disclaimer in
- *       the documentation and/or other materials provided with the
- *       distribution.
- *     * Neither the name of Intel Corporation nor the names of its
- *       contributors may be used to endorse or promote products derived
- *       from this software without specific prior written permission.
- *
- *   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- *   "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- *   LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- *   A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- *   OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- *   SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- *   LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- *   DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- *   THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- *   (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- *   OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(c) 2010-2014 Intel Corporation
  */
 
 #ifndef _RTE_POWER_H
@@ -91,7 +62,7 @@ enum power_management_env rte_power_get_env(void);
  *  - 0 on success.
  *  - Negative on error.
  */
-int rte_power_init(unsigned lcore_id);
+int rte_power_init(unsigned int lcore_id);
 
 /**
  * Exit power management on a specific lcore. This will call the environment
@@ -104,7 +75,7 @@ int rte_power_init(unsigned lcore_id);
  *  - 0 on success.
  *  - Negative on error.
  */
-int rte_power_exit(unsigned lcore_id);
+int rte_power_exit(unsigned int lcore_id);
 
 /**
  * Get the available frequencies of a specific lcore.
@@ -121,7 +92,7 @@ int rte_power_exit(unsigned lcore_id);
  * @return
  *  The number of available frequencies.
  */
-typedef uint32_t (*rte_power_freqs_t)(unsigned lcore_id, uint32_t *freqs,
+typedef uint32_t (*rte_power_freqs_t)(unsigned int lcore_id, uint32_t *freqs,
 		uint32_t num);
 
 extern rte_power_freqs_t rte_power_freqs;
@@ -137,7 +108,7 @@ extern rte_power_freqs_t rte_power_freqs;
  * @return
  *  The current index of available frequencies.
  */
-typedef uint32_t (*rte_power_get_freq_t)(unsigned lcore_id);
+typedef uint32_t (*rte_power_get_freq_t)(unsigned int lcore_id);
 
 extern rte_power_get_freq_t rte_power_get_freq;
 
@@ -157,7 +128,7 @@ extern rte_power_get_freq_t rte_power_get_freq;
  *  - 0 on success without frequency changed.
  *  - Negative on error.
  */
-typedef int (*rte_power_set_freq_t)(unsigned lcore_id, uint32_t index);
+typedef int (*rte_power_set_freq_t)(unsigned int lcore_id, uint32_t index);
 
 extern rte_power_set_freq_t rte_power_set_freq;
 
@@ -173,7 +144,7 @@ extern rte_power_set_freq_t rte_power_set_freq;
  *  - 0 on success without frequency changed.
  *  - Negative on error.
  */
-typedef int (*rte_power_freq_change_t)(unsigned lcore_id);
+typedef int (*rte_power_freq_change_t)(unsigned int lcore_id);
 
 /**
  * Scale up the frequency of a specific lcore according to the available
diff --git a/lib/librte_power/rte_power_common.h b/lib/librte_power/rte_power_common.h
deleted file mode 100644
index 64bd168f..00000000
--- a/lib/librte_power/rte_power_common.h
+++ /dev/null
@@ -1,39 +0,0 @@
-/*-
- *   BSD LICENSE
- *
- *   Copyright(c) 2010-2014 Intel Corporation. All rights reserved.
- *   All rights reserved.
- *
- *   Redistribution and use in source and binary forms, with or without
- *   modification, are permitted provided that the following conditions
- *   are met:
- *
- *     * Redistributions of source code must retain the above copyright
- *       notice, this list of conditions and the following disclaimer.
- *     * Redistributions in binary form must reproduce the above copyright
- *       notice, this list of conditions and the following disclaimer in
- *       the documentation and/or other materials provided with the
- *       distribution.
- *     * Neither the name of Intel Corporation nor the names of its
- *       contributors may be used to endorse or promote products derived
- *       from this software without specific prior written permission.
- *
- *   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- *   "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- *   LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- *   A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- *   OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- *   SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- *   LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- *   DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- *   THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- *   (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- *   OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#ifndef RTE_POWER_COMMON_H_
-#define RTE_POWER_COMMON_H_
-
-#define RTE_POWER_INVALID_FREQ_INDEX (~0)
-
-#endif /* RTE_POWER_COMMON_H_ */
diff --git a/lib/librte_power/rte_power_kvm_vm.c b/lib/librte_power/rte_power_kvm_vm.c
deleted file mode 100644
index 99060625..00000000
--- a/lib/librte_power/rte_power_kvm_vm.c
+++ /dev/null
@@ -1,155 +0,0 @@
-/*-
- *   BSD LICENSE
- *
- *   Copyright(c) 2010-2014 Intel Corporation. All rights reserved.
- *   All rights reserved.
- *
- *   Redistribution and use in source and binary forms, with or without
- *   modification, are permitted provided that the following conditions
- *   are met:
- *
- *     * Redistributions of source code must retain the above copyright
- *       notice, this list of conditions and the following disclaimer.
- *     * Redistributions in binary form must reproduce the above copyright
- *       notice, this list of conditions and the following disclaimer in
- *       the documentation and/or other materials provided with the
- *       distribution.
- *     * Neither the name of Intel Corporation nor the names of its
- *       contributors may be used to endorse or promote products derived
- *       from this software without specific prior written permission.
- *
- *   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- *   "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- *   LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- *   A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- *   OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- *   SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- *   LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- *   DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- *   THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- *   (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- *   OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-#include <errno.h>
-#include <string.h>
-
-#include <rte_log.h>
-
-#include "guest_channel.h"
-#include "channel_commands.h"
-#include "rte_power_kvm_vm.h"
-#include "rte_power_common.h"
-
-#define FD_PATH "/dev/virtio-ports/virtio.serial.port.poweragent"
-
-static struct channel_packet pkt[CHANNEL_CMDS_MAX_VM_CHANNELS];
-
-
-int
-rte_power_kvm_vm_init(unsigned lcore_id)
-{
-	if (lcore_id >= CHANNEL_CMDS_MAX_VM_CHANNELS) {
-		RTE_LOG(ERR, POWER, "Core(%u) is out of range 0...%d\n",
-				lcore_id, CHANNEL_CMDS_MAX_VM_CHANNELS-1);
-		return -1;
-	}
-	pkt[lcore_id].command = CPU_POWER;
-	pkt[lcore_id].resource_id = lcore_id;
-	return guest_channel_host_connect(FD_PATH, lcore_id);
-}
-
-int
-rte_power_kvm_vm_exit(unsigned lcore_id)
-{
-	guest_channel_host_disconnect(lcore_id);
-	return 0;
-}
-
-uint32_t
-rte_power_kvm_vm_freqs(__attribute__((unused)) unsigned lcore_id,
-		__attribute__((unused)) uint32_t *freqs,
-		__attribute__((unused)) uint32_t num)
-{
-	RTE_LOG(ERR, POWER, "rte_power_freqs is not implemented "
-			"for Virtual Machine Power Management\n");
-	return -ENOTSUP;
-}
-
-uint32_t
-rte_power_kvm_vm_get_freq(__attribute__((unused)) unsigned lcore_id)
-{
-	RTE_LOG(ERR, POWER, "rte_power_get_freq is not implemented "
-			"for Virtual Machine Power Management\n");
-	return -ENOTSUP;
-}
-
-int
-rte_power_kvm_vm_set_freq(__attribute__((unused)) unsigned lcore_id,
-		__attribute__((unused)) uint32_t index)
-{
-	RTE_LOG(ERR, POWER, "rte_power_set_freq is not implemented "
-			"for Virtual Machine Power Management\n");
-	return -ENOTSUP;
-}
-
-static inline int
-send_msg(unsigned lcore_id, uint32_t scale_direction)
-{
-	int ret;
-
-	if (lcore_id >= CHANNEL_CMDS_MAX_VM_CHANNELS) {
-		RTE_LOG(ERR, POWER, "Core(%u) is out of range 0...%d\n",
-				lcore_id, CHANNEL_CMDS_MAX_VM_CHANNELS-1);
-		return -1;
-	}
-	pkt[lcore_id].unit = scale_direction;
-	ret = guest_channel_send_msg(&pkt[lcore_id], lcore_id);
-	if (ret == 0)
-		return 1;
-	RTE_LOG(DEBUG, POWER, "Error sending message: %s\n",
-			ret > 0 ? strerror(ret) : "channel not connected");
-	return -1;
-}
-
-int
-rte_power_kvm_vm_freq_up(unsigned lcore_id)
-{
-	return send_msg(lcore_id, CPU_POWER_SCALE_UP);
-}
-
-int
-rte_power_kvm_vm_freq_down(unsigned lcore_id)
-{
-	return send_msg(lcore_id, CPU_POWER_SCALE_DOWN);
-}
-
-int
-rte_power_kvm_vm_freq_max(unsigned lcore_id)
-{
-	return send_msg(lcore_id, CPU_POWER_SCALE_MAX);
-}
-
-int
-rte_power_kvm_vm_freq_min(unsigned lcore_id)
-{
-	return send_msg(lcore_id, CPU_POWER_SCALE_MIN);
-}
-
-int
-rte_power_kvm_vm_turbo_status(__attribute__((unused)) unsigned int lcore_id)
-{
-	RTE_LOG(ERR, POWER, "rte_power_turbo_status is not implemented for Virtual Machine Power Management\n");
-	return -ENOTSUP;
-}
-
-int
-rte_power_kvm_vm_enable_turbo(unsigned int lcore_id)
-{
-	return send_msg(lcore_id, CPU_POWER_ENABLE_TURBO);
-}
-
-int
-rte_power_kvm_vm_disable_turbo(unsigned int lcore_id)
-{
-	return send_msg(lcore_id, CPU_POWER_DISABLE_TURBO);
-}