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FILESEXTRAPATHS:prepend := "${THISDIR}/linux:"

SRC_URI:append = " file://jailhouse.cfg"

SRC_URI:append = " \
file://0001-x86-jailhouse-Improve-setup-data-version-comparison.patch \
file://0002-x86-jailhouse-Only-enable-platform-UARTs-if-availabl.patch \
file://0003-jailhouse-Add-simple-debug-console-via-the-hyperviso.patch \
file://0004-arm-Export-__boot_cpu_mode-for-use-in-Jailhouse-driv.patch \
file://0005-mm-Re-export-ioremap_page_range.patch \
file://0006-arm-arm64-export-__hyp_stub_vectors.patch \
file://0007-x86-Export-lapic_timer_period.patch \
file://0008-arm64-dts-marvell-armada-37xx-Set-pci-domain.patch \
file://0009-arm64-dts-marvell-armada-8030-mcbin-Set-pci-domain.patch \
file://0010-uio-Enable-read-only-mappings.patch \
file://0011-ivshmem-Add-header-file.patch \
file://0012-uio-Add-driver-for-inter-VM-shared-memory-device.patch \
file://0013-ivshmem-net-virtual-network-device-for-Jailhouse.patch \
file://0014-ivshmem-net-Map-shmem-region-as-RAM.patch \
file://0015-ivshmem-net-fix-race-in-state-machine.patch \
file://0016-ivshmem-net-Remove-unused-variable.patch \
file://0017-ivshmem-net-Enable-INTx.patch \
file://0018-ivshmem-net-Improve-identification-of-resources.patch \
file://0019-ivshmem-net-Switch-to-reset-state-on-each-net-stop-a.patch \
file://0020-ivshmem-net-Add-ethtool-register-dump.patch \
file://0021-ivshmem-net-Fix-stuck-state-machine-during-setup.patch \
file://0022-ivshmem-net-Switch-to-relative-descriptor-addresses.patch \
file://0023-ivshmem-net-Switch-to-pci_alloc_irq_vectors.patch \
file://0024-ivshmem-net-fill-in-and-check-used-descriptor-chain-.patch \
file://0025-ivshmem-net-slightly-improve-debug-output.patch \
file://0026-ivshmem-net-set-and-check-descriptor-flags.patch \
file://0027-ivshmem-net-add-MAC-changing-interface.patch \
file://0028-ivshmem-net-Silence-compiler-warning.patch \
file://0029-ivshmem-net-Fix-bogus-transition-to-RESET-state.patch \
file://0030-ivshmem-net-Refactor-and-comment-ivshm_net_state_cha.patch \
file://0031-ivshmem-net-Switch-to-netdev_xmit_more-helper.patch \
file://0032-ivshmem-net-Adjust-to-reworked-version-of-ivshmem-in.patch \
"
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/*
 * Copyright (C) 2016 "IoT.bzh"
 * Author: José Bollo <jose.bollo@iot.bzh>
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

#pragma once

#include <stdarg.h>

/*****************************************************************************
 * This files is the main file to include for writing plugins dedicated to
 *
 *                      AFB-DAEMON
 *
 * Functions of plugins of afb-daemon are accessible by authorized clients
 * through the apis module of afb-daemon.
 *
 * A plugin is a shared library. This shared library must have at least one
 * exported symbol for being registered in afb-daemon.
 * For the current version of afb-daemon, the function exported MUST be named
 *
 *                  pluginAfbV1Register
 */

/*
 * Some function of the library are exported to afb-daemon.
 */

#include <afb/afb-req-itf.h>
#include <afb/afb-event-sender-itf.h>

/*
 * Definition of the versions of the plugin.
 * The definition uses hashes.
 */
enum  AFB_plugin_version
{
       AFB_PLUGIN_VERSION_1 = 123456789        /* version 1 */
};

/*
 * Enum for Session/Token/Assurance middleware.
 * This enumeration is valid for plugins of type 1
 */
enum AFB_session_v1
{
       AFB_SESSION_NONE = 0,   /* no session and no authentification required */
       AFB_SESSION_CREATE = 1, /* obsolete */
       AFB_SESSION_CLOSE = 2,  /* closes the session after authentification */
       AFB_SESSION_RENEW = 4,  /* refreshes the token after authentification */
       AFB_SESSION_CHECK = 8,  /* Requires token authentification */

       AFB_SESSION_LOA_GE = 16, /* check that the LOA is greater or equal to the given value */
       AFB_SESSION_LOA_LE = 32, /* check that the LOA is lesser or equal to the given value */
       AFB_SESSION_LOA_EQ = 48, /* check that the LOA is equal to the given value */

       AFB_SESSION_LOA_SHIFT = 6, /* shift for LOA */
       AFB_SESSION_LOA_MASK = 3,  /* mask for LOA */

       AFB_SESSION_LOA_0 = 0,   /* value for LOA of 0 */
       AFB_SESSION_LOA_1 = 64,  /* value for LOA of 1 */
       AFB_SESSION_LOA_2 = 128, /* value for LOA of 2 */
       AFB_SESSION_LOA_3 = 192, /* value for LOA of 3 */

       AFB_SESSION_LOA_LE_0 = AFB_SESSION_LOA_LE | AFB_SESSION_LOA_0, /* check LOA <= 0 */
       AFB_SESSION_LOA_LE_1 = AFB_SESSION_LOA_LE | AFB_SESSION_LOA_1, /* check LOA <= 1 */
       AFB_SESSION_LOA_LE_2 = AFB_SESSION_LOA_LE | AFB_SESSION_LOA_2, /* check LOA <= 2 */
       AFB_SESSION_LOA_LE_3 = AFB_SESSION_LOA_LE | AFB_SESSION_LOA_3, /* check LOA <= 3 */

       AFB_SESSION_LOA_GE_0 = AFB_SESSION_LOA_GE | AFB_SESSION_LOA_0, /* check LOA >= 0 */
       AFB_SESSION_LOA_GE_1 = AFB_SESSION_LOA_GE | AFB_SESSION_LOA_1, /* check LOA >= 1 */
       AFB_SESSION_LOA_GE_2 = AFB_SESSION_LOA_GE | AFB_SESSION_LOA_2, /* check LOA >= 2 */
       AFB_SESSION_LOA_GE_3 = AFB_SESSION_LOA_GE | AFB_SESSION_LOA_3, /* check LOA >= 3 */

       AFB_SESSION_LOA_EQ_0 = AFB_SESSION_LOA_EQ | AFB_SESSION_LOA_0, /* check LOA == 0 */
       AFB_SESSION_LOA_EQ_1 = AFB_SESSION_LOA_EQ | AFB_SESSION_LOA_1, /* check LOA == 1 */
       AFB_SESSION_LOA_EQ_2 = AFB_SESSION_LOA_EQ | AFB_SESSION_LOA_2, /* check LOA == 2 */
       AFB_SESSION_LOA_EQ_3 = AFB_SESSION_LOA_EQ | AFB_SESSION_LOA_3  /* check LOA == 3 */
};

/*
 * Description of one verb of the API provided by the plugin
 * This enumeration is valid for plugins of type 1
 */
struct AFB_verb_desc_v1
{
       const char *name;                       /* name of the verb */
       enum AFB_session_v1 session;            /* authorisation and session requirements of the verb */
       void (*callback)(struct afb_req req);   /* callback function implementing the verb */
       const char *info;                       /* textual description of the verb */
};

/*
 * Description of the plugins of type 1
 */
struct AFB_plugin_desc_v1
{
       const char *info;                       /* textual information about the plugin */
       const char *prefix;                     /* required prefix name for the plugin */
       const struct AFB_verb_desc_v1 *verbs;   /* array of descriptions of verbs terminated by a NULL name */
};

/*
 * Description of a plugin
 */
struct AFB_plugin
{
       enum AFB_plugin_version type; /* type of the plugin */
       union {
               struct AFB_plugin_desc_v1 v1;   /* description of the plugin of type 1 */
       };
};

/*
 * config mode
 */
enum AFB_Mode {
       AFB_MODE_LOCAL = 0,     /* run locally */
       AFB_MODE_REMOTE,        /* run remotely */
       AFB_MODE_GLOBAL         /* run either remotely or locally (DONT USE! reserved for future) */
};

/* declaration of features of libsystemd */
struct sd_event;
struct sd_bus;

/*
 * Definition of the facilities provided by the daemon.
 */
struct afb_daemon_itf {
       struct afb_event_sender (*get_event_sender)(void *closure);           /* get the event manager */
       struct sd_event *(*get_event_loop)(void *closure);      /* get the common systemd's event loop */
       struct sd_bus *(*get_user_bus)(void *closure);          /* get the common systemd's user d-bus */
       struct sd_bus *(*get_system_bus)(void *closure);        /* get the common systemd's system d-bus */
       void (*vverbose)(void*closure, int level, const char *file, int line, const char *fmt, va_list args);
};

/*
 * Structure for accessing daemon.
 * See also: afb_daemon_get_event_sender, afb_daemon_get_event_loop, afb_daemon_get_user_bus, afb_daemon_get_system_bus
 */
struct afb_daemon {
       const struct afb_daemon_itf *itf;       /* the interfacing functions */
       void *closure;                          /* the closure when calling these functions */
};

/*
 * Interface between the daemon and the plugin.
 */
struct AFB_interface
{
       struct afb_daemon daemon;       /* access to the daemon facilies */
       int verbosity;                  /* level of verbosity */
       enum AFB_Mode mode;             /* run mode (local or remote) */
};

/*
 * Function for registering the plugin
 */
extern const struct AFB_plugin *pluginAfbV1Register (const struct AFB_interface *interface);

/*
 * Retrieves the event sender of AFB
 * 'daemon' MUST be the daemon given in interface when activating the plugin.
 */
static inline struct afb_event_sender afb_daemon_get_event_sender(struct afb_daemon daemon)
{
	return daemon.itf->get_event_sender(daemon.closure);
}

/*
 * Retrieves the common systemd's event loop of AFB
 * 'daemon' MUST be the daemon given in interface when activating the plugin.
 */
static inline struct sd_event *afb_daemon_get_event_loop(struct afb_daemon daemon)
{
	return daemon.itf->get_event_loop(daemon.closure);
}

/*
 * Retrieves the common systemd's user/session d-bus of AFB
 * 'daemon' MUST be the daemon given in interface when activating the plugin.
 */
static inline struct sd_bus *afb_daemon_get_user_bus(struct afb_daemon daemon)
{
	return daemon.itf->get_user_bus(daemon.closure);
}

/*
 * Retrieves the common systemd's system d-bus of AFB
 * 'daemon' MUST be the daemon given in interface when activating the plugin.
 */
static inline struct sd_bus *afb_daemon_get_system_bus(struct afb_daemon daemon)
{
	return daemon.itf->get_system_bus(daemon.closure);
}

/*
 * Send a message described by 'fmt' and following parameters
 * to the journal for the verbosity 'level'.
 * 'file' and 'line' are indicators of position of the code in source files.
 * 'daemon' MUST be the daemon given in interface when activating the plugin.
 */
static inline void afb_daemon_verbose(struct afb_daemon daemon, int level, const char *file, int line, const char *fmt, ...) __attribute__((format(printf, 5, 6)));
static inline void afb_daemon_verbose(struct afb_daemon daemon, int level, const char *file, int line, const char *fmt, ...)
{
	va_list args;
	va_start(args, fmt);
	return daemon.itf->vverbose(daemon.closure, level, file, line, fmt, args);
	va_end(args);
}

#if !defined(NO_PLUGIN_VERBOSE_MACRO)
# if !defined(NO_PLUGIN_FILE_LINE_INDICATION)
#  define ERROR(itf,...)   do{if(itf->verbosity>=0)afb_daemon_verbose(itf->daemon,3,__FILE__,__LINE__,__VA_ARGS__);}while(0)
#  define WARNING(itf,...) do{if(itf->verbosity>=1)afb_daemon_verbose(itf->daemon,4,__FILE__,__LINE__,__VA_ARGS__);}while(0)
#  define NOTICE(itf,...)  do{if(itf->verbosity>=1)afb_daemon_verbose(itf->daemon,5,__FILE__,__LINE__,__VA_ARGS__);}while(0)
#  define INFO(itf,...)    do{if(itf->verbosity>=2)afb_daemon_verbose(itf->daemon,6,__FILE__,__LINE__,__VA_ARGS__);}while(0)
#  define DEBUG(itf,...)   do{if(itf->verbosity>=3)afb_daemon_verbose(itf->daemon,7,__FILE__,__LINE__,__VA_ARGS__);}while(0)
# else
#  define ERROR(itf,...)   do{if(itf->verbosity>=0)afb_daemon_verbose(itf->daemon,3,NULL,0,__VA_ARGS__);}while(0)
#  define WARNING(itf,...) do{if(itf->verbosity>=1)afb_daemon_verbose(itf->daemon,4,NULL,0,__VA_ARGS__);}while(0)
#  define NOTICE(itf,...)  do{if(itf->verbosity>=1)afb_daemon_verbose(itf->daemon,5,NULL,0,__VA_ARGS__);}while(0)
#  define INFO(itf,...)    do{if(itf->verbosity>=2)afb_daemon_verbose(itf->daemon,6,NULL,0,__VA_ARGS__);}while(0)
#  define DEBUG(itf,...)   do{if(itf->verbosity>=3)afb_daemon_verbose(itf->daemon,7,NULL,0,__VA_ARGS__);}while(0)
# endif
#endif