From patchwork Thu May 30 16:15:16 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Marcin Hajkowski X-Patchwork-Id: 53912 X-Patchwork-Delegate: thomas@monjalon.net Return-Path: X-Original-To: patchwork@dpdk.org Delivered-To: patchwork@dpdk.org Received: from [92.243.14.124] (localhost [127.0.0.1]) by dpdk.org (Postfix) with ESMTP id 3D6CC1B94C; Thu, 30 May 2019 18:16:18 +0200 (CEST) Received: from mga06.intel.com (mga06.intel.com [134.134.136.31]) by dpdk.org (Postfix) with ESMTP id 0EE60493D for ; Thu, 30 May 2019 18:16:13 +0200 (CEST) X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from orsmga001.jf.intel.com ([10.7.209.18]) by orsmga104.jf.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 30 May 2019 09:16:12 -0700 X-ExtLoop1: 1 Received: from mhajkowx-mobl.ger.corp.intel.com ([10.104.14.177]) by orsmga001.jf.intel.com with ESMTP; 30 May 2019 09:16:11 -0700 From: Hajkowski To: david.hunt@intel.com Cc: dev@dpdk.org, Marcin Hajkowski Date: Thu, 30 May 2019 18:15:16 +0200 Message-Id: <20190530161517.11916-3-marcinx.hajkowski@intel.com> X-Mailer: git-send-email 2.20.1.windows.1 In-Reply-To: <20190530161517.11916-1-marcinx.hajkowski@intel.com> References: <20190530161517.11916-1-marcinx.hajkowski@intel.com> MIME-Version: 1.0 Subject: [dpdk-dev] [PATCH 2/3] examples/power_manager: send cpu capabilities on vm request X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Sender: "dev" From: Marcin Hajkowski Send capabilities for requested cores. Signed-off-by: Marcin Hajkowski Acked-by: Lee Daly --- examples/vm_power_manager/channel_monitor.c | 67 +++++++++++++++++++++ 1 file changed, 67 insertions(+) diff --git a/examples/vm_power_manager/channel_monitor.c b/examples/vm_power_manager/channel_monitor.c index bfd9cc38d..731b3b480 100644 --- a/examples/vm_power_manager/channel_monitor.c +++ b/examples/vm_power_manager/channel_monitor.c @@ -29,6 +29,7 @@ #include #include #include +#include #include #include "channel_monitor.h" @@ -704,6 +705,60 @@ send_freq(struct channel_packet *pkt, chan_info); } +static int +send_capabilities(struct channel_packet *pkt, + struct channel_info *chan_info, + bool list_requested) +{ + unsigned int vcore_id = pkt->resource_id; + struct channel_packet_caps_list channel_pkt_caps_list; + struct vm_info info; + struct rte_power_core_capabilities caps; + int ret; + + if (get_info_vm(pkt->vm_name, &info) != 0) + return -1; + + if (!list_requested && vcore_id >= MAX_VCPU_PER_VM) + return -1; + + if (!info.allow_query) + return -1; + + channel_pkt_caps_list.command = CPU_POWER_CAPS_LIST; + channel_pkt_caps_list.num_vcpu = info.num_vcpus; + + if (list_requested) { + unsigned int i; + for (i = 0; i < info.num_vcpus; i++) { + ret = rte_power_get_capabilities(info.pcpu_map[i], + &caps); + if (ret == 0) { + channel_pkt_caps_list.turbo[i] = + caps.turbo; + channel_pkt_caps_list.priority[i] = + caps.priority; + } else + return -1; + + } + } else { + ret = rte_power_get_capabilities(info.pcpu_map[vcore_id], + &caps); + if (ret == 0) { + channel_pkt_caps_list.turbo[vcore_id] = + caps.turbo; + channel_pkt_caps_list.priority[vcore_id] = + caps.priority; + } else + return -1; + } + + return write_binary_packet(&channel_pkt_caps_list, + sizeof(channel_pkt_caps_list), + chan_info); +} + static int send_ack_for_received_cmd(struct channel_packet *pkt, struct channel_info *chan_info, @@ -812,6 +867,18 @@ process_request(struct channel_packet *pkt, struct channel_info *chan_info) RTE_LOG(ERR, CHANNEL_MONITOR, "Error during frequency sending.\n"); } + if (pkt->command == CPU_POWER_QUERY_CAPS_LIST || + pkt->command == CPU_POWER_QUERY_CAPS) { + + RTE_LOG(INFO, CHANNEL_MONITOR, + "Capabilities for %s requested.\n", pkt->vm_name); + int ret = send_capabilities(pkt, + chan_info, + pkt->command == CPU_POWER_QUERY_CAPS_LIST); + if (ret < 0) + RTE_LOG(ERR, CHANNEL_MONITOR, "Error during sending capabilities.\n"); + } + /* * Return is not checked as channel status may have been set to DISABLED * from management thread