From 210c383e247b5335cd95223fac1c0880ebbd5c96 Mon Sep 17 00:00:00 2001 From: Alan Carew Date: Tue, 25 Nov 2014 16:18:09 +0000 Subject: [PATCH] power: packet format for vm power management Provides a command packet format for host and guest. Signed-off-by: Alan Carew Signed-off-by: Pablo de Lara --- lib/librte_power/channel_commands.h | 77 +++++++++++++++++++++++++++++ 1 file changed, 77 insertions(+) create mode 100644 lib/librte_power/channel_commands.h diff --git a/lib/librte_power/channel_commands.h b/lib/librte_power/channel_commands.h new file mode 100644 index 0000000000..7e78a8b366 --- /dev/null +++ b/lib/librte_power/channel_commands.h @@ -0,0 +1,77 @@ +/*- + * 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. + */ + +#ifndef CHANNEL_COMMANDS_H_ +#define CHANNEL_COMMANDS_H_ + +#ifdef __cplusplus +extern "C" { +#endif + +#include + +/* Maximum number of CPUs */ +#define CHANNEL_CMDS_MAX_CPUS 64 +#if CHANNEL_CMDS_MAX_CPUS > 64 +#error Maximum number of cores is 64, overflow is guaranteed to \ + cause problems with VM Power Management +#endif + +/* Maximum number of channels per VM */ +#define CHANNEL_CMDS_MAX_VM_CHANNELS 64 + +/* Maximum number of channels per VM */ +#define CHANNEL_CMDS_MAX_VM_CHANNELS 64 + +/* Valid Commands */ +#define CPU_POWER 1 +#define CPU_POWER_CONNECT 2 + +/* CPU Power Command Scaling */ +#define CPU_POWER_SCALE_UP 1 +#define CPU_POWER_SCALE_DOWN 2 +#define CPU_POWER_SCALE_MAX 3 +#define CPU_POWER_SCALE_MIN 4 + +struct channel_packet { + uint64_t resource_id; /**< core_num, device */ + uint32_t unit; /**< scale down/up/min/max */ + uint32_t command; /**< Power, IO, etc */ +}; + + +#ifdef __cplusplus +} +#endif + +#endif /* CHANNEL_COMMANDS_H_ */ -- 2.20.1