From patchwork Mon Sep 30 13:00:42 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Hunt, David" X-Patchwork-Id: 60185 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 D682B5B32; Mon, 30 Sep 2019 15:01:02 +0200 (CEST) Received: from mga02.intel.com (mga02.intel.com [134.134.136.20]) by dpdk.org (Postfix) with ESMTP id E289344C3 for ; Mon, 30 Sep 2019 15:00:57 +0200 (CEST) X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga002.fm.intel.com ([10.253.24.26]) by orsmga101.jf.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 30 Sep 2019 06:00:57 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.64,567,1559545200"; d="scan'208";a="220644320" Received: from silpixa00399952.ir.intel.com (HELO silpixa00399952.ger.corp.intel.com) ([10.237.222.38]) by fmsmga002.fm.intel.com with ESMTP; 30 Sep 2019 06:00:56 -0700 From: David Hunt To: david.hunt@intel.com Cc: dev@dpdk.org, Marcin Hajkowski Date: Mon, 30 Sep 2019 14:00:42 +0100 Message-Id: <20190930130043.2885-3-david.hunt@intel.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20190930130043.2885-1-david.hunt@intel.com> References: <20190530161517.11916-2-marcinx.hajkowski@intel.com> <20190930130043.2885-1-david.hunt@intel.com> Subject: [dpdk-dev] [PATCH v2 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 Tested-by: David Hunt 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 0ae62835f..11b6db1c0 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" @@ -737,6 +738,60 @@ 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, @@ -845,6 +900,18 @@ 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