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HV:Acrn-hypvervisor Root Directory Clean-up and create misc/ folder for Acrn daemons, services and tools.
This patch is to clean-up acrn-hypervisor root directory, targt only 5 folders under acrn-hypervisor:1.hypervisor,2.devicemodel,3.misc,4.doc,5.build Tracked-On: #3482 Signed-off-by: Terry Zou <terry.zou@intel.com> Acked-by: Eddie Dong <eddie.dong@intel.com>
This commit is contained in:
Terry Zou
Xie, Nanlin
190
misc/acrn-manager/acrn_mngr.h
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190
misc/acrn-manager/acrn_mngr.h
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/*
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* Copyright (C)2018 Intel Corporation
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* SPDX-License-Identifier: BSD-3-Clause
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*/
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/*
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*****************************************************
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NOTE: Any changes to this file may require rebuilding
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IOC daemon (cbc_lifecycle) as they share this common
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header file.
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*****************************************************
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*/
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#ifndef ACRN_MANAGER_H
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#define ACRN_MANAGER_H
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#include <stdlib.h>
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#include "dm.h"
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#define MNGR_MSG_MAGIC 0x67736d206d6d76 /* that is char[8] "mngr msg", on X86 */
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#define PATH_LEN 128
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#define ACRN_CONF_PATH "/usr/share/acrn/conf"
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#define ACRN_CONF_PATH_ADD ACRN_CONF_PATH "/add"
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#define ACRN_CONF_TIMER_LIST ACRN_CONF_PATH "/timer_list"
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#define ACRN_DM_BASE_PATH "/run/acrn"
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#define ACRN_DM_SOCK_PATH "/run/acrn/mngr"
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/* TODO: Revisit PARAM_LEN and see if size can be reduced */
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#define PARAM_LEN 256
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struct mngr_msg {
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unsigned long long magic; /* Make sure you get a mngr_msg */
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unsigned int msgid;
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unsigned long timestamp;
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union {
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/* Arguments to rescan virtio-blk device */
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char devargs[PARAM_LEN];
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/* ack of DM_STOP, DM_SUSPEND, DM_RESUME, DM_PAUSE, DM_CONTINUE,
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ACRND_TIMER, ACRND_STOP, ACRND_RESUME, RTC_TIMER */
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int err;
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/* ack of WAKEUP_REASON */
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unsigned reason;
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/* ack of DM_QUERY */
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int state;
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/* req of ACRND_TIMER */
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struct req_acrnd_timer {
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char name[MAX_VMNAME_LEN];
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time_t t;
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} acrnd_timer;
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/* req of ACRND_STOP */
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struct req_acrnd_stop {
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int force;
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unsigned timeout;
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} acrnd_stop;
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/* req of ACRND_SUSPEND */
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struct req_acrnd_suspend {
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int force;
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unsigned timeout;
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} acrnd_suspend;
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/* req of ACRND_RESUME */
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struct req_acrnd_resume {
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int force;
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unsigned timeout;
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} acrnd_resume;
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/* req of RTC_TIMER */
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struct req_rtc_timer {
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char vmname[MAX_VMNAME_LEN];
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time_t t;
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} rtc_timer;
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} data;
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};
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/* mngr_msg event types */
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enum msgid {
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MSG_MIN = 0,
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MSG_STR, /* The message payload is a string, terminated with '\0' */
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MSG_MAX,
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};
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/* DM handled message event types */
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enum dm_msgid {
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DM_STOP = MSG_MAX + 1, /* Stop this UOS */
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DM_SUSPEND, /* Suspend this UOS from running state */
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DM_RESUME, /* Resume this UOS from suspend state */
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DM_PAUSE, /* Freeze this virtual machine */
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DM_CONTINUE, /* Unfreeze this virtual machine */
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DM_QUERY, /* Ask power state of this UOS */
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DM_BLKRESCAN, /* Rescan virtio-blk device for any changes in UOS */
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DM_MAX,
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};
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/* DM handled message req/ack pairs */
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/* Acrnd handled message event types */
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enum acrnd_msgid {
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/* DM -> Acrnd */
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ACRND_TIMER = DM_MAX + 1, /* DM request to setup a launch timer */
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ACRND_REASON, /* DM ask for updating wakeup reason */
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DM_NOTIFY, /* DM notify Acrnd that state is changed */
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/* SOS-LCS ->Acrnd */
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ACRND_STOP, /* SOS-LCS request to Stop all UOS */
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ACRND_RESUME, /* SOS-LCS request to Resume UOS */
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ACRND_SUSPEND, /* SOS-LCS request to Suspend all UOS */
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ACRND_MAX,
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};
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/* Acrnd handled message req/ack pairs */
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/* SOS-LCS handled message event types */
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enum sos_lcs_msgid {
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WAKEUP_REASON = ACRND_MAX + 1, /* Acrnd/Acrnctl request wakeup reason */
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RTC_TIMER, /* Acrnd request to setup RTC timer */
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SUSPEND,
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SHUTDOWN,
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REBOOT,
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};
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/* helper functions */
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#define MNGR_SERVER 1 /* create a server fd, which you can add handlers onto it */
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#define MNGR_CLIENT 0 /* create a client, just send req and read ack */
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#define CHK_CREAT 1 /* create a directory, if not exist */
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#define CHK_ONLY 0 /* check if the directory exist only */
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/**
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* @brief create a descripter for vm management IPC
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*
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* @param name refer to a sock file under /run/acrn/mngr/[name].[pid].socket
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* @param flags MNGR_SERVER to create a server, MNGR_CLIENT to create a client
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*
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* @return descripter ID (> 1024) on success, errno (< 0) on error.
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*/
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int mngr_open_un(const char *name, int flags);
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/**
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* @brief close descripter and release the resouces
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*
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* @param desc descripter to be closed
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*/
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void mngr_close(int desc);
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/**
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* @brief add a handler for message specified by msg
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*
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* @param desc descripter to register handler to
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* @param id id of message to handle
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* @param cb handler callback
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* @param param param for the callback
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* @return 0 on success, errno on error
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*/
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int mngr_add_handler(int desc, unsigned id,
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void (*cb) (struct mngr_msg * msg, int client_fd,
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void *param), void *param);
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/**
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* @brief send a message and wait for ack
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*
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* @param desc descripter created using mngr_open_un
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* @param req pointer to message to send
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* @param ack pointer to ack struct, NULL if no ack required
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* @param timeout time to wait for ack, zero to blocking waiting
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* @return len of ack messsage (0 if ack is NULL) on succes, errno on error
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*/
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int mngr_send_msg(int desc, struct mngr_msg *req, struct mngr_msg *ack,
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unsigned timeout);
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/**
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* @brief check @path existence and create or report error accoding to the flag
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*
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* @param path path to check
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* @param flags CHK_CREAT to create directory, CHK_ONLY check directory only
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* @return 0 on success, -1 on error
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*/
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int check_dir(const char *path, int flags);
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#endif /* ACRN_MANAGER_H */
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