Adding upstream version 16.2.11+ds.upstream/16.2.11+dsupstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 290 insertions, 0 deletions

diff --git a/src/spdk/dpdk/lib/librte_power/rte_power.h b/src/spdk/dpdk/lib/librte_power/rte_power.h
new file mode 100644
index 000000000..427058b81
--- /dev/null
+++ b/src/spdk/dpdk/lib/librte_power/rte_power.h
@@ -0,0 +1,290 @@
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(c) 2010-2014 Intel Corporation
+ */
+
+#ifndef _RTE_POWER_H
+#define _RTE_POWER_H
+
+/**
+ * @file
+ * RTE Power Management
+ */
+
+#include <rte_common.h>
+#include <rte_byteorder.h>
+#include <rte_log.h>
+#include <rte_string_fns.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/* Power Management Environment State */
+enum power_management_env {PM_ENV_NOT_SET, PM_ENV_ACPI_CPUFREQ, PM_ENV_KVM_VM,
+		PM_ENV_PSTATE_CPUFREQ};
+
+/**
+ * Set the default power management implementation. If this is not called prior
+ * to rte_power_init(), then auto-detect of the environment will take place.
+ * It is thread safe. New env can be set only in uninitialized state
+ * (thus rte_power_unset_env must be called if different env was already set).
+ *
+ * @param env
+ *  env. The environment in which to initialise Power Management for.
+ *
+ * @return
+ *  - 0 on success.
+ *  - Negative on error.
+ */
+int rte_power_set_env(enum power_management_env env);
+
+/**
+ * Unset the global environment configuration.
+ * This can only be called after all threads have completed.
+ */
+void rte_power_unset_env(void);
+
+/**
+ * Get the default power management implementation.
+ *
+ * @return
+ *  power_management_env The configured environment.
+ */
+enum power_management_env rte_power_get_env(void);
+
+/**
+ * Initialize power management for a specific lcore. If rte_power_set_env() has
+ * not been called then an auto-detect of the environment will start and
+ * initialise the corresponding resources.
+ *
+ * @param lcore_id
+ *  lcore id.
+ *
+ * @return
+ *  - 0 on success.
+ *  - Negative on error.
+ */
+int rte_power_init(unsigned int lcore_id);
+
+/**
+ * Exit power management on a specific lcore. This will call the environment
+ * dependent exit function.
+ *
+ * @param lcore_id
+ *  lcore id.
+ *
+ * @return
+ *  - 0 on success.
+ *  - Negative on error.
+ */
+int rte_power_exit(unsigned int lcore_id);
+
+/**
+ * Get the available frequencies of a specific lcore.
+ * Function pointer definition. Review each environments
+ * specific documentation for usage.
+ *
+ * @param lcore_id
+ *  lcore id.
+ * @param freqs
+ *  The buffer array to save the frequencies.
+ * @param num
+ *  The number of frequencies to get.
+ *
+ * @return
+ *  The number of available frequencies.
+ */
+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;
+
+/**
+ * Return the current index of available frequencies of a specific lcore.
+ * Function pointer definition. Review each environments
+ * specific documentation for usage.
+ *
+ * @param lcore_id
+ *  lcore id.
+ *
+ * @return
+ *  The current index of available frequencies.
+ */
+typedef uint32_t (*rte_power_get_freq_t)(unsigned int lcore_id);
+
+extern rte_power_get_freq_t rte_power_get_freq;
+
+/**
+ * Set the new frequency for a specific lcore by indicating the index of
+ * available frequencies.
+ * Function pointer definition. Review each environments
+ * specific documentation for usage.
+ *
+ * @param lcore_id
+ *  lcore id.
+ * @param index
+ *  The index of available frequencies.
+ *
+ * @return
+ *  - 1 on success with frequency changed.
+ *  - 0 on success without frequency changed.
+ *  - Negative on error.
+ */
+typedef int (*rte_power_set_freq_t)(unsigned int lcore_id, uint32_t index);
+
+extern rte_power_set_freq_t rte_power_set_freq;
+
+/**
+ * Function pointer definition for generic frequency change functions. Review
+ * each environments specific documentation for usage.
+ *
+ * @param lcore_id
+ *  lcore id.
+ *
+ * @return
+ *  - 1 on success with frequency changed.
+ *  - 0 on success without frequency changed.
+ *  - Negative on error.
+ */
+typedef int (*rte_power_freq_change_t)(unsigned int lcore_id);
+
+/**
+ * Scale up the frequency of a specific lcore according to the available
+ * frequencies.
+ * Review each environments specific documentation for usage.
+ *
+ * @param lcore_id
+ *  lcore id.
+ *
+ * @return
+ *  - 1 on success with frequency changed.
+ *  - 0 on success without frequency changed.
+ *  - Negative on error.
+ */
+extern rte_power_freq_change_t rte_power_freq_up;
+
+/**
+ * Scale down the frequency of a specific lcore according to the available
+ * frequencies.
+ * Review each environments specific documentation for usage.
+ *
+ * @param lcore_id
+ *  lcore id.
+ *
+ * @return
+ *  - 1 on success with frequency changed.
+ *  - 0 on success without frequency changed.
+ *  - Negative on error.
+ */
+
+extern rte_power_freq_change_t rte_power_freq_down;
+
+/**
+ * Scale up the frequency of a specific lcore to the highest according to the
+ * available frequencies.
+ * Review each environments specific documentation for usage.
+ *
+ * @param lcore_id
+ *  lcore id.
+ *
+ * @return
+ *  - 1 on success with frequency changed.
+ *  - 0 on success without frequency changed.
+ *  - Negative on error.
+ */
+extern rte_power_freq_change_t rte_power_freq_max;
+
+/**
+ * Scale down the frequency of a specific lcore to the lowest according to the
+ * available frequencies.
+ * Review each environments specific documentation for usage..
+ *
+ * @param lcore_id
+ *  lcore id.
+ *
+ * @return
+ *  - 1 on success with frequency changed.
+ *  - 0 on success without frequency changed.
+ *  - Negative on error.
+ */
+extern rte_power_freq_change_t rte_power_freq_min;
+
+/**
+ * Query the Turbo Boost status of a specific lcore.
+ * Review each environments specific documentation for usage..
+ *
+ * @param lcore_id
+ *  lcore id.
+ *
+ * @return
+ *  - 1 Turbo Boost is enabled for this lcore.
+ *  - 0 Turbo Boost is disabled for this lcore.
+ *  - Negative on error.
+ */
+extern rte_power_freq_change_t rte_power_turbo_status;
+
+/**
+ * Enable Turbo Boost for this lcore.
+ * Review each environments specific documentation for usage..
+ *
+ * @param lcore_id
+ *  lcore id.
+ *
+ * @return
+ *  - 0 on success.
+ *  - Negative on error.
+ */
+extern rte_power_freq_change_t rte_power_freq_enable_turbo;
+
+/**
+ * Disable Turbo Boost for this lcore.
+ * Review each environments specific documentation for usage..
+ *
+ * @param lcore_id
+ *  lcore id.
+ *
+ * @return
+ *  - 0 on success.
+ *  - Negative on error.
+ */
+extern rte_power_freq_change_t rte_power_freq_disable_turbo;
+
+/**
+ * Power capabilities summary.
+ */
+struct rte_power_core_capabilities {
+	RTE_STD_C11
+	union {
+		uint64_t capabilities;
+		RTE_STD_C11
+		struct {
+			uint64_t turbo:1;	/**< Turbo can be enabled. */
+			uint64_t priority:1;	/**< SST-BF high freq core */
+		};
+	};
+};
+
+/**
+ * Returns power capabilities for a specific lcore.
+ * Function pointer definition. Review each environments
+ * specific documentation for usage.
+ *
+ * @param lcore_id
+ *  lcore id.
+ * @param caps
+ *  pointer to rte_power_core_capabilities object.
+ *
+ * @return
+ *  - 0 on success.
+ *  - Negative on error.
+ */
+typedef int (*rte_power_get_capabilities_t)(unsigned int lcore_id,
+		struct rte_power_core_capabilities *caps);
+
+extern rte_power_get_capabilities_t rte_power_get_capabilities;
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif