Adding qemu as a submodule of KVMFORNFV

This Patch includes the changes to add qemu as a submodule to
kvmfornfv repo and make use of the updated latest qemu for the
execution of all testcase
Change-Id: I1280af507a857675c7f81d30c95255635667bdd7
Signed-off-by:RajithaY<rajithax.yerrumsetty@intel.com>

1 files changed, 0 insertions, 397 deletions

diff --git a/qemu/roms/ipxe/src/interface/xen/xenbus.c b/qemu/roms/ipxe/src/interface/xen/xenbus.c
deleted file mode 100644
index c328af443..000000000
--- a/qemu/roms/ipxe/src/interface/xen/xenbus.c
+++ /dev/null
@@ -1,397 +0,0 @@
-/*
- * Copyright (C) 2014 Michael Brown <mbrown@fensystems.co.uk>.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of the
- * License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
- * 02110-1301, USA.
- *
- * You can also choose to distribute this program under the terms of
- * the Unmodified Binary Distribution Licence (as given in the file
- * COPYING.UBDL), provided that you have satisfied its requirements.
- */
-
-FILE_LICENCE ( GPL2_OR_LATER_OR_UBDL );
-
-#include <stdio.h>
-#include <errno.h>
-#include <ipxe/malloc.h>
-#include <ipxe/device.h>
-#include <ipxe/timer.h>
-#include <ipxe/nap.h>
-#include <ipxe/xen.h>
-#include <ipxe/xenstore.h>
-#include <ipxe/xenbus.h>
-
-/** @file
- *
- * Xen device bus
- *
- */
-
-/* Disambiguate the various error causes */
-#define ETIMEDOUT_UNKNOWN						\
-	__einfo_error ( EINFO_ETIMEDOUT_UNKNOWN )
-#define EINFO_ETIMEDOUT_UNKNOWN						\
-	__einfo_uniqify ( EINFO_ETIMEDOUT, XenbusStateUnknown,		\
-			  "Unknown" )
-#define ETIMEDOUT_INITIALISING						\
-	__einfo_error ( EINFO_ETIMEDOUT_INITIALISING )
-#define EINFO_ETIMEDOUT_INITIALISING					\
-	__einfo_uniqify ( EINFO_ETIMEDOUT, XenbusStateInitialising,	\
-			  "Initialising" )
-#define ETIMEDOUT_INITWAIT						\
-	__einfo_error ( EINFO_ETIMEDOUT_INITWAIT )
-#define EINFO_ETIMEDOUT_INITWAIT					\
-	__einfo_uniqify ( EINFO_ETIMEDOUT, XenbusStateInitWait,		\
-			  "InitWait" )
-#define ETIMEDOUT_INITIALISED						\
-	__einfo_error ( EINFO_ETIMEDOUT_INITIALISED )
-#define EINFO_ETIMEDOUT_INITIALISED					\
-	__einfo_uniqify ( EINFO_ETIMEDOUT, XenbusStateInitialised,	\
-			  "Initialised" )
-#define ETIMEDOUT_CONNECTED						\
-	__einfo_error ( EINFO_ETIMEDOUT_CONNECTED )
-#define EINFO_ETIMEDOUT_CONNECTED					\
-	__einfo_uniqify ( EINFO_ETIMEDOUT, XenbusStateConnected,	\
-			  "Connected" )
-#define ETIMEDOUT_CLOSING						\
-	__einfo_error ( EINFO_ETIMEDOUT_CLOSING )
-#define EINFO_ETIMEDOUT_CLOSING						\
-	__einfo_uniqify ( EINFO_ETIMEDOUT, XenbusStateClosing,		\
-			  "Closing" )
-#define ETIMEDOUT_CLOSED						\
-	__einfo_error ( EINFO_ETIMEDOUT_CLOSED )
-#define EINFO_ETIMEDOUT_CLOSED						\
-	__einfo_uniqify ( EINFO_ETIMEDOUT, XenbusStateClosed,		\
-			  "Closed" )
-#define ETIMEDOUT_RECONFIGURING						\
-	__einfo_error ( EINFO_ETIMEDOUT_RECONFIGURING )
-#define EINFO_ETIMEDOUT_RECONFIGURING					\
-	__einfo_uniqify ( EINFO_ETIMEDOUT, XenbusStateReconfiguring,	\
-			  "Reconfiguring" )
-#define ETIMEDOUT_RECONFIGURED						\
-	__einfo_error ( EINFO_ETIMEDOUT_RECONFIGURED )
-#define EINFO_ETIMEDOUT_RECONFIGURED					\
-	__einfo_uniqify ( EINFO_ETIMEDOUT, XenbusStateReconfigured,	\
-			  "Reconfigured" )
-#define ETIMEDOUT_STATE( state )					\
-	EUNIQ ( EINFO_ETIMEDOUT, (state), ETIMEDOUT_UNKNOWN,		\
-		ETIMEDOUT_INITIALISING, ETIMEDOUT_INITWAIT,		\
-		ETIMEDOUT_INITIALISED, ETIMEDOUT_CONNECTED,		\
-		ETIMEDOUT_CLOSING, ETIMEDOUT_CLOSED,			\
-		ETIMEDOUT_RECONFIGURING, ETIMEDOUT_RECONFIGURED )
-
-/** Maximum time to wait for backend to reach a given state, in ticks */
-#define XENBUS_BACKEND_TIMEOUT ( 5 * TICKS_PER_SEC )
-
-/**
- * Set device state
- *
- * @v xendev		Xen device
- * @v state		New state
- * @ret rc		Return status code
- */
-int xenbus_set_state ( struct xen_device *xendev, int state ) {
-	int rc;
-
-	/* Attempt to set state */
-	if ( ( rc = xenstore_write_num ( xendev->xen, state, xendev->key,
-					 "state", NULL ) ) != 0 ) {
-		DBGC ( xendev, "XENBUS %s could not set state=\"%d\": %s\n",
-		       xendev->key, state, strerror ( rc ) );
-		return rc;
-	}
-
-	return 0;
-}
-
-/**
- * Get backend state
- *
- * @v xendev		Xen device
- * @ret state		Backend state, or negative error
- */
-int xenbus_backend_state ( struct xen_device *xendev ) {
-	unsigned long state;
-	int rc;
-
-	/* Attempt to get backend state */
-	if ( ( rc = xenstore_read_num ( xendev->xen, &state, xendev->backend,
-					"state", NULL ) ) != 0 ) {
-		DBGC ( xendev, "XENBUS %s could not read %s/state: %s\n",
-		       xendev->key, xendev->backend, strerror ( rc ) );
-		return rc;
-	}
-
-	return state;
-}
-
-/**
- * Wait for backend to reach a given state
- *
- * @v xendev		Xen device
- * @v state		Desired backend state
- * @ret rc		Return status code
- */
-int xenbus_backend_wait ( struct xen_device *xendev, int state ) {
-	unsigned long started = currticks();
-	unsigned long elapsed;
-	unsigned int attempts = 0;
-	int current_state;
-	int rc;
-
-	/* Wait for backend to reach this state */
-	do {
-
-		/* Get current backend state */
-		current_state = xenbus_backend_state ( xendev );
-		if ( current_state < 0 ) {
-			rc = current_state;
-			return rc;
-		}
-		if ( current_state == state )
-			return 0;
-
-		/* Allow time for backend to react */
-		cpu_nap();
-
-		/* XenStore is a very slow interface; any fixed delay
-		 * time would be dwarfed by the XenStore access time.
-		 * We therefore use wall clock to time out this
-		 * operation.
-		 */
-		elapsed = ( currticks() - started );
-		attempts++;
-
-	} while ( elapsed < XENBUS_BACKEND_TIMEOUT );
-
-	/* Construct status code from current backend state */
-	rc = -ETIMEDOUT_STATE ( current_state );
-	DBGC ( xendev, "XENBUS %s timed out after %d attempts waiting for "
-	       "%s/state=\"%d\": %s\n", xendev->key, attempts, xendev->backend,
-	       state, strerror ( rc ) );
-
-	return rc;
-}
-
-/**
- * Find driver for Xen device
- *
- * @v type		Device type
- * @ret driver		Driver, or NULL
- */
-static struct xen_driver * xenbus_find_driver ( const char *type ) {
-	struct xen_driver *xendrv;
-
-	for_each_table_entry ( xendrv, XEN_DRIVERS ) {
-		if ( strcmp ( xendrv->type, type ) == 0 )
-			return xendrv;
-	}
-	return NULL;
-}
-
-/**
- * Probe Xen device
- *
- * @v xen		Xen hypervisor
- * @v parent		Parent device
- * @v type		Device type
- * @v instance		Device instance
- * @ret rc		Return status code
- */
-static int xenbus_probe_device ( struct xen_hypervisor *xen,
-				 struct device *parent, const char *type,
-				 const char *instance ) {
-	struct xen_device *xendev;
-	size_t key_len;
-	int rc;
-
-	/* Allocate and initialise structure */
-	key_len = ( 7 /* "device/" */ + strlen ( type ) + 1 /* "/" */ +
-		    strlen ( instance ) + 1 /* NUL */ );
-	xendev = zalloc ( sizeof ( *xendev ) + key_len );
-	if ( ! xendev ) {
-		rc = -ENOMEM;
-		goto err_alloc;
-	}
-	snprintf ( xendev->dev.name, sizeof ( xendev->dev.name ), "%s/%s",
-		   type, instance );
-	xendev->dev.desc.bus_type = BUS_TYPE_XEN;
-	INIT_LIST_HEAD ( &xendev->dev.children );
-	list_add_tail ( &xendev->dev.siblings, &parent->children );
-	xendev->dev.parent = parent;
-	xendev->xen = xen;
-	xendev->key = ( ( void * ) ( xendev + 1 ) );
-	snprintf ( xendev->key, key_len, "device/%s/%s", type, instance );
-
-	/* Read backend key */
-	if ( ( rc = xenstore_read ( xen, &xendev->backend, xendev->key,
-				    "backend", NULL ) ) != 0 ) {
-		DBGC ( xendev, "XENBUS %s could not read backend: %s\n",
-		       xendev->key, strerror ( rc ) );
-		goto err_read_backend;
-	}
-
-	/* Read backend domain ID */
-	if ( ( rc = xenstore_read_num ( xen, &xendev->backend_id, xendev->key,
-					"backend-id", NULL ) ) != 0 ) {
-		DBGC ( xendev, "XENBUS %s could not read backend-id: %s\n",
-		       xendev->key, strerror ( rc ) );
-		goto err_read_backend_id;
-	}
-	DBGC ( xendev, "XENBUS %s backend=\"%s\" in domain %ld\n",
-	       xendev->key, xendev->backend, xendev->backend_id );
-
-	/* Look for a driver */
-	xendev->driver = xenbus_find_driver ( type );
-	if ( ! xendev->driver ) {
-		DBGC ( xendev, "XENBUS %s has no driver\n", xendev->key );
-		/* Not a fatal error */
-		rc = 0;
-		goto err_no_driver;
-	}
-	xendev->dev.driver_name = xendev->driver->name;
-	DBGC ( xendev, "XENBUS %s has driver \"%s\"\n", xendev->key,
-	       xendev->driver->name );
-
-	/* Probe driver */
-	if ( ( rc = xendev->driver->probe ( xendev ) ) != 0 ) {
-		DBGC ( xendev, "XENBUS could not probe %s: %s\n",
-		       xendev->key, strerror ( rc ) );
-		goto err_probe;
-	}
-
-	return 0;
-
-	xendev->driver->remove ( xendev );
- err_probe:
- err_no_driver:
- err_read_backend_id:
-	free ( xendev->backend );
- err_read_backend:
-	list_del ( &xendev->dev.siblings );
-	free ( xendev );
- err_alloc:
-	return rc;
-}
-
-/**
- * Remove Xen device
- *
- * @v xendev		Xen device
- */
-static void xenbus_remove_device ( struct xen_device *xendev ) {
-
-	/* Remove device */
-	xendev->driver->remove ( xendev );
-	free ( xendev->backend );
-	list_del ( &xendev->dev.siblings );
-	free ( xendev );
-}
-
-/**
- * Probe Xen devices of a given type
- *
- * @v xen		Xen hypervisor
- * @v parent		Parent device
- * @v type		Device type
- * @ret rc		Return status code
- */
-static int xenbus_probe_type ( struct xen_hypervisor *xen,
-			       struct device *parent, const char *type ) {
-	char *children;
-	char *child;
-	size_t len;
-	int rc;
-
-	/* Get children of this key */
-	if ( ( rc = xenstore_directory ( xen, &children, &len, "device",
-					 type, NULL ) ) != 0 ) {
-		DBGC ( xen, "XENBUS could not list \"%s\" devices: %s\n",
-		       type, strerror ( rc ) );
-		goto err_directory;
-	}
-
-	/* Probe each child */
-	for ( child = children ; child < ( children + len ) ;
-	      child += ( strlen ( child ) + 1 /* NUL */ ) ) {
-		if ( ( rc = xenbus_probe_device ( xen, parent, type,
-						  child ) ) != 0 )
-			goto err_probe_device;
-	}
-
-	free ( children );
-	return 0;
-
- err_probe_device:
-	free ( children );
- err_directory:
-	return rc;
-}
-
-/**
- * Probe Xen bus
- *
- * @v xen		Xen hypervisor
- * @v parent		Parent device
- * @ret rc		Return status code
- */
-int xenbus_probe ( struct xen_hypervisor *xen, struct device *parent ) {
-	char *types;
-	char *type;
-	size_t len;
-	int rc;
-
-	/* Get children of "device" key */
-	if ( ( rc = xenstore_directory ( xen, &types, &len, "device",
-					 NULL ) ) != 0 ) {
-		DBGC ( xen, "XENBUS could not list device types: %s\n",
-		       strerror ( rc ) );
-		goto err_directory;
-	}
-
-	/* Probe each child type */
-	for ( type = types ; type < ( types + len ) ;
-	      type += ( strlen ( type ) + 1 /* NUL */ ) ) {
-		if ( ( rc = xenbus_probe_type ( xen, parent, type ) ) != 0 )
-			goto err_probe_type;
-	}
-
-	free ( types );
-	return 0;
-
-	xenbus_remove ( xen, parent );
- err_probe_type:
-	free ( types );
- err_directory:
-	return rc;
-}
-
-/**
- * Remove Xen bus
- *
- * @v xen		Xen hypervisor
- * @v parent		Parent device
- */
-void xenbus_remove ( struct xen_hypervisor *xen __unused,
-		     struct device *parent ) {
-	struct xen_device *xendev;
-	struct xen_device *tmp;
-
-	/* Remove devices */
-	list_for_each_entry_safe ( xendev, tmp, &parent->children,
-				   dev.siblings ) {
-		xenbus_remove_device ( xendev );
-	}
-}