diff options
Diffstat (limited to 'lib/librte_power/rte_power_kvm_vm.c')
| -rw-r--r-- | lib/librte_power/rte_power_kvm_vm.c | 155 |
1 files changed, 0 insertions, 155 deletions
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); -} |