examples/ipsec-secgw: support 192/256 AES key sizes

[dpdk.git] / examples / vm_power_manager / power_manager.h

diff --git a/examples/vm_power_manager/power_manager.h b/examples/vm_power_manager/power_manager.h
index b74d09b..e324766 100644 (file)
--- a/examples/vm_power_manager/power_manager.h
+++ b/examples/vm_power_manager/power_manager.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 POWER_MANAGER_H_
@@ -38,8 +9,41 @@
 extern "C" {
 #endif
 
-/* Maximum number of CPUS to manage */
-#define POWER_MGR_MAX_CPUS 64
+#define FREQ_WINDOW_SIZE 32
+
+enum {
+       FREQ_UNKNOWN,
+       FREQ_MIN,
+       FREQ_MAX
+};
+
+struct core_details {
+       uint64_t last_branches;
+       uint64_t last_branch_misses;
+       uint16_t global_enabled_cpus;
+       uint16_t oob_enabled;
+       int msr_fd;
+       uint16_t freq_directions[FREQ_WINDOW_SIZE];
+       uint16_t freq_window_idx;
+       uint16_t freq_state;
+};
+
+struct core_info {
+       uint16_t core_count;
+       struct core_details *cd;
+       float branch_ratio_threshold;
+};
+
+#define BRANCH_RATIO_THRESHOLD 0.1
+
+struct core_info *
+get_core_info(void);
+
+int
+core_info_init(void);
+
+#define RTE_LOGTYPE_POWER_MANAGER RTE_LOGTYPE_USER1
+
 /**
  * Initialize power management.
  * Initializes resources and verifies the number of CPUs on the system.
@@ -231,6 +235,19 @@ int power_manager_disable_turbo_core(unsigned int core_num);
  */
 uint32_t power_manager_get_current_frequency(unsigned core_num);
 
+/**
+ * Scale to medium frequency for the core specified by core_num.
+ * It is thread-safe.
+ *
+ * @param core_num
+ *  The core number to change frequency
+ *
+ * @return
+ *  - 1 on success.
+ *  - 0 if frequency not changed.
+ *  - Negative on error.
+ */
+int power_manager_scale_core_med(unsigned int core_num);
 
 #ifdef __cplusplus
 }