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source: trunk/kernel/kern/rpc.c @ 656

Last change on this file since 656 was 641, checked in by alain, 5 years ago

Fix several bugs.
Introduce the "stat" command in KSH.

This almos-mkh version sucessfully executed the FFT application
(65536 complex points) on the TSAR architecture from 1 to 64 cores.

File size: 100.0 KB

Rev	Line
[1]	1	/*
[437]	2	* rpc.c - RPC operations implementation.
[1]	3	*
[623]	4	* Author Alain Greiner (2016,2017,2018,2019)
[1]	5	*
	6	* Copyright (c) UPMC Sorbonne Universites
	7	*
	8	* This file is part of ALMOS-MKH.
	9	*
	10	* ALMOS-MKH is free software; you can redistribute it and/or modify it
	11	* under the terms of the GNU General Public License as published by
	12	* the Free Software Foundation; version 2.0 of the License.
	13	*
	14	* ALMOS-MKH is distributed in the hope that it will be useful, but
	15	* WITHOUT ANY WARRANTY; without even the implied warranty of
	16	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
	17	* General Public License for more details.
	18	*
	19	* You should have received a copy of the GNU General Public License
	20	* along with ALMOS-MKH; if not, write to the Free Software Foundation,
	21	* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
	22	*/
	23
[14]	24	#include <kernel_config.h>
[457]	25	#include <hal_kernel_types.h>
[625]	26	#include <hal_vmm.h>
[1]	27	#include <hal_atomic.h>
	28	#include <hal_remote.h>
	29	#include <hal_irqmask.h>
	30	#include <hal_special.h>
	31	#include <printk.h>
[612]	32	#include <user_dir.h>
[1]	33	#include <remote_sem.h>
	34	#include <core.h>
	35	#include <mapper.h>
[5]	36	#include <chdev.h>
[1]	37	#include <bits.h>
	38	#include <thread.h>
	39	#include <cluster.h>
	40	#include <process.h>
	41	#include <vfs.h>
	42	#include <fatfs.h>
	43	#include <rpc.h>
	44
[433]	45
[1]	46	/////////////////////////////////////////////////////////////////////////////////////////
[564]	47	// Array of function pointers and array of printable strings.
	48	// These arrays must be kept consistent with enum in rpc.h file.
[1]	49	/////////////////////////////////////////////////////////////////////////////////////////
	50
	51	rpc_server_t * rpc_server[RPC_MAX_INDEX] =
	52	{
[632]	53	&rpc_undefined, // 0
	54	&rpc_undefined, // 1
	55	&rpc_undefined, // 2
[601]	56	&rpc_process_make_fork_server, // 3
[614]	57	&rpc_user_dir_create_server, // 4
	58	&rpc_user_dir_destroy_server, // 5
[601]	59	&rpc_thread_user_create_server, // 6
	60	&rpc_thread_kernel_create_server, // 7
[623]	61	&rpc_vfs_fs_update_dentry_server, // 8
[601]	62	&rpc_process_sigaction_server, // 9
[1]	63
[601]	64	&rpc_vfs_inode_create_server, // 10
	65	&rpc_vfs_inode_destroy_server, // 11
	66	&rpc_vfs_dentry_create_server, // 12
	67	&rpc_vfs_dentry_destroy_server, // 13
	68	&rpc_vfs_file_create_server, // 14
	69	&rpc_vfs_file_destroy_server, // 15
[623]	70	&rpc_vfs_fs_new_dentry_server, // 16
[601]	71	&rpc_vfs_fs_add_dentry_server, // 17
	72	&rpc_vfs_fs_remove_dentry_server, // 18
	73	&rpc_vfs_inode_load_all_pages_server, // 19
[1]	74
[640]	75	&rpc_undefined, // 20
	76	&rpc_undefined, // 21
[635]	77	&rpc_undefined, // 22
	78	&rpc_undefined, // 23
[623]	79	&rpc_mapper_sync_server, // 24
[640]	80	&rpc_vmm_resize_vseg_server, // 25
	81	&rpc_vmm_remove_vseg_server, // 26
[601]	82	&rpc_vmm_create_vseg_server, // 27
	83	&rpc_vmm_set_cow_server, // 28
[635]	84	&rpc_undefined, // 29
[1]	85	};
	86
[564]	87	char * rpc_str[RPC_MAX_INDEX] =
	88	{
[632]	89	"undefined_0", // 0
	90	"undefined_1", // 1
	91	"undefined_2", // 2
[601]	92	"PROCESS_MAKE_FORK", // 3
[614]	93	"USER_DIR_CREATE", // 4
	94	"USER_DIR_DESTROY", // 5
[601]	95	"THREAD_USER_CREATE", // 6
	96	"THREAD_KERNEL_CREATE", // 7
[623]	97	"VFS_FS_UPDATE_DENTRY", // 8
[601]	98	"PROCESS_SIGACTION", // 9
[564]	99
[601]	100	"VFS_INODE_CREATE", // 10
	101	"VFS_INODE_DESTROY", // 11
	102	"VFS_DENTRY_CREATE", // 12
	103	"VFS_DENTRY_DESTROY", // 13
	104	"VFS_FILE_CREATE", // 14
	105	"VFS_FILE_DESTROY", // 15
[629]	106	"VFS_FS_NEW_DENTRY", // 16
[601]	107	"VFS_FS_ADD_DENTRY", // 17
	108	"VFS_FS_REMOVE_DENTRY", // 18
	109	"VFS_INODE_LOAD_ALL_PAGES", // 19
[564]	110
[640]	111	"VMM_GLOBAL_RESIZE_VSEG", // 20
	112	"VMM_GLOBAL_UPDATE_PTE", // 21
[635]	113	"undefined_22", // 22
	114	"undefined_23", // 23
[623]	115	"MAPPER_SYNC", // 24
[635]	116	"undefined_25", // 25
[640]	117	"VMM_REMOVE_VSEG", // 26
[601]	118	"VMM_CREATE_VSEG", // 27
	119	"VMM_SET_COW", // 28
[635]	120	"undefined_29", // 29
[564]	121	};
	122
	123	//////////////////////////////////////////////////////////////////////////////////
[503]	124	void __attribute__((noinline)) rpc_undefined( xptr_t xp __attribute__ ((unused)) )
[1]	125	{
[492]	126	assert( false , "called in cluster %x", local_cxy );
[1]	127	}
	128
[409]	129	/***************************************************************************************/
[583]	130	/********** Generic function supporting RPCs : client side *************************/
[409]	131	/***************************************************************************************/
	132
	133	///////////////////////////////////////
	134	void rpc_send( cxy_t server_cxy,
[416]	135	rpc_desc_t * rpc )
[409]	136	{
[438]	137	lid_t server_core_lid;
	138	lid_t client_core_lid;
	139	volatile error_t full;
	140	thread_t * this;
[409]	141
[457]	142	full = 0;
	143	this = CURRENT_THREAD;
	144	client_core_lid = this->core->lid;
	145
[619]	146	// check calling thread can yield when is not the IDLE thread
[581]	147	// RPCs executed by the IDLE thread during kernel_init do not deschedule
	148	if( this->type != THREAD_IDLE ) thread_assert_can_yield( this , __FUNCTION__ );
[564]	149
[440]	150	// select a server_core : use client core index if possible / core 0 otherwise
[564]	151	if( client_core_lid < hal_remote_l32( XPTR( server_cxy , &LOCAL_CLUSTER->cores_nr ) ) )
[438]	152	{
	153	server_core_lid = client_core_lid;
	154	}
	155	else
	156	{
	157	server_core_lid = 0;
	158	}
	159
[583]	160	// register client_thread and client_core in RPC descriptor
[436]	161	rpc->thread = this;
[438]	162	rpc->lid = client_core_lid;
[409]	163
[438]	164	// build extended pointer on the RPC descriptor
[409]	165	xptr_t desc_xp = XPTR( local_cxy , rpc );
	166
[436]	167	// get local pointer on rpc_fifo in remote cluster,
[564]	168	remote_fifo_t * rpc_fifo = &LOCAL_CLUSTER->rpc_fifo[server_core_lid];
	169	xptr_t rpc_fifo_xp = XPTR( server_cxy , rpc_fifo );
[409]	170
[564]	171	// post RPC in remote fifo / deschedule without blocking if fifo full
[409]	172	do
	173	{
[564]	174	full = remote_fifo_put_item( rpc_fifo_xp , (uint64_t )desc_xp );
	175
[436]	176	if ( full )
[409]	177	{
	178	printk("\n[WARNING] %s : cluster %x cannot post RPC to cluster %x\n",
	179	__FUNCTION__ , local_cxy , server_cxy );
	180
[436]	181	// deschedule without blocking
	182	sched_yield("RPC fifo full");
[409]	183	}
	184	}
[436]	185	while( full );
[409]	186
[457]	187	#if DEBUG_RPC_CLIENT_GENERIC
[583]	188	uint32_t cycle = (uint32_t)hal_get_cycles();
[564]	189	uint32_t items = remote_fifo_items( rpc_fifo_xp );
[457]	190	if( DEBUG_RPC_CLIENT_GENERIC < cycle )
[601]	191	printk("\n[%s] thread[%x,%x] / rpc %s / server[%x,%d] / items %d / cycle %d\n",
	192	__FUNCTION__, this->process->pid, this->trdid, rpc_str[rpc->index],
[583]	193	server_cxy, server_core_lid, items, cycle );
[457]	194	#endif
[409]	195
[457]	196	// send IPI to the selected server core
	197	dev_pic_send_ipi( server_cxy , server_core_lid );
[409]	198
[564]	199	// wait RPC completion before returning if blocking RPC :
[619]	200	// - deschedule without blocking if thread idle (in kernel init)
[564]	201	// - block and deschedule policy for any other thread
[416]	202	if ( rpc->blocking )
[409]	203	{
[564]	204	if( this->type == THREAD_IDLE ) // deschedule without blocking policy
[409]	205	{
[564]	206
[438]	207	#if DEBUG_RPC_CLIENT_GENERIC
[436]	208	cycle = (uint32_t)hal_get_cycles();
[438]	209	if( DEBUG_RPC_CLIENT_GENERIC < cycle )
[601]	210	printk("\n[%s] thread[%x,%x] enter waiting loop for rpc %s / cycle %d\n",
	211	__FUNCTION__, this->process->pid, this->trdid, rpc_str[rpc->index], cycle );
[436]	212	#endif
[619]	213	while( 1 )
	214	{
	215	// check responses counter
	216	if( hal_remote_l32( XPTR( local_cxy , rpc->rsp ) ) == 0 ) break;
	217
	218	// deschedule
	219	sched_yield("busy_waiting RPC completion");
	220	}
[409]	221
[438]	222	#if DEBUG_RPC_CLIENT_GENERIC
[436]	223	cycle = (uint32_t)hal_get_cycles();
[438]	224	if( DEBUG_RPC_CLIENT_GENERIC < cycle )
[601]	225	printk("\n[%s] thread[%x,%x] received response for rpc %s / cycle %d\n",
	226	__FUNCTION__, this->process->pid, this->trdid, rpc_str[rpc->index], cycle );
[436]	227	#endif
[564]	228
	229	}
	230	else // block and deschedule policy
[409]	231	{
	232
[438]	233	#if DEBUG_RPC_CLIENT_GENERIC
[436]	234	cycle = (uint32_t)hal_get_cycles();
[438]	235	if( DEBUG_RPC_CLIENT_GENERIC < cycle )
[601]	236	printk("\n[%s] thread[%x,%x] blocks & deschedules for rpc %s / cycle %d\n",
	237	__FUNCTION__, this->process->pid, this->trdid, rpc_str[rpc->index], cycle );
[436]	238	#endif
[409]	239
[564]	240	// block client thread
	241	thread_block( XPTR( local_cxy , this ) , THREAD_BLOCKED_RPC );
	242
	243	// deschedule
	244	sched_yield("blocked on RPC");
	245
[438]	246	#if DEBUG_RPC_CLIENT_GENERIC
[436]	247	cycle = (uint32_t)hal_get_cycles();
[438]	248	if( DEBUG_RPC_CLIENT_GENERIC < cycle )
[619]	249	printk("\n[%s] thread[%x,%x] resumes after rpc %s / cycle %d\n",
[601]	250	__FUNCTION__, this->process->pid, this->trdid, rpc_str[rpc->index], cycle );
[436]	251	#endif
[409]	252	}
	253
[564]	254	// response must be available for a blocking RPC
[619]	255	assert( (*rpc->rsp == 0) , "illegal response for RPC %s\n", rpc_str[rpc->index] );
[564]	256
[409]	257	}
[564]	258	else // non blocking RPC
[436]	259	{
	260
[438]	261	#if DEBUG_RPC_CLIENT_GENERIC
[436]	262	cycle = (uint32_t)hal_get_cycles();
[438]	263	if( DEBUG_RPC_CLIENT_GENERIC < cycle )
[601]	264	printk("\n[%s] thread[%x,%x] returns for non blocking rpc %s / cycle %d\n",
	265	__FUNCTION__, this->process->pid, this->trdid, rpc_str[rpc->index], cycle );
[436]	266	#endif
	267
	268	}
[409]	269	} // end rpc_send()
	270
	271
	272	/***************************************************************************************/
	273	/********** Generic functions supporting RPCs : server side ************************/
	274	/***************************************************************************************/
	275
[564]	276	////////////////////////////
[619]	277	void rpc_server_func( void )
[409]	278	{
[440]	279	error_t empty; // local RPC fifo state
	280	xptr_t desc_xp; // extended pointer on RPC request
	281	cxy_t desc_cxy; // RPC request cluster (client)
	282	rpc_desc_t * desc_ptr; // RPC request local pointer
	283	uint32_t index; // RPC request index
	284	thread_t * client_ptr; // local pointer on client thread
[619]	285	xptr_t client_xp; // extended pointer on client thread
	286	lid_t client_lid; // local index of client core
[440]	287	thread_t * server_ptr; // local pointer on server thread
	288	xptr_t server_xp; // extended pointer on server thread
[619]	289	lid_t server_lid; // local index of server core
[440]	290	remote_fifo_t * rpc_fifo; // local pointer on RPC fifo
[619]	291	uint32_t * rsp_ptr; // local pointer on responses counter
	292	xptr_t rsp_xp; // extended pointer on responses counter
	293	uint32_t responses; // number of expected responses
	294
[409]	295	// makes RPC thread not preemptable
	296	hal_disable_irq( NULL );
	297
[440]	298	server_ptr = CURRENT_THREAD;
	299	server_xp = XPTR( local_cxy , server_ptr );
[619]	300	server_lid = server_ptr->core->lid;
	301	rpc_fifo = &LOCAL_CLUSTER->rpc_fifo[server_lid];
[409]	302
[564]	303	// "infinite" RPC thread loop
	304	while(1)
[409]	305	{
	306	// try to take RPC_FIFO ownership
[564]	307	if( hal_atomic_test_set( &rpc_fifo->owner , server_ptr->trdid ) )
[409]	308	{
[436]	309
[438]	310	#if DEBUG_RPC_SERVER_GENERIC
[436]	311	uint32_t cycle = (uint32_t)hal_get_cycles();
[438]	312	if( DEBUG_RPC_SERVER_GENERIC < cycle )
[611]	313	printk("\n[%s] RPC thread[%x,%x] on core[%d] takes RPC_FIFO ownership / cycle %d\n",
[619]	314	__FUNCTION__, server_ptr->process->pid, server_ptr->trdid, server_lid, cycle );
[436]	315	#endif
[564]	316	// try to consume one RPC request
	317	empty = remote_fifo_get_item( rpc_fifo , (uint64_t *)&desc_xp );
	318
	319	// release RPC_FIFO ownership
	320	rpc_fifo->owner = 0;
	321
	322	// handle RPC request if success
	323	if ( empty == 0 )
[409]	324	{
[564]	325	// get client cluster and pointer on RPC descriptor
	326	desc_cxy = GET_CXY( desc_xp );
	327	desc_ptr = GET_PTR( desc_xp );
[409]	328
[619]	329	// get relevant infos from RPC descriptor
[610]	330	index = hal_remote_l32( XPTR( desc_cxy , &desc_ptr->index ) );
	331	client_ptr = hal_remote_lpt( XPTR( desc_cxy , &desc_ptr->thread ) );
[619]	332	rsp_ptr = hal_remote_lpt( XPTR( desc_cxy , &desc_ptr->rsp ) );
	333	client_lid = hal_remote_l32( XPTR( desc_cxy , &desc_ptr->lid ) );
[409]	334
[619]	335	rsp_xp = XPTR( desc_cxy , rsp_ptr );
	336	client_xp = XPTR( desc_cxy , client_ptr );
	337
[438]	338	#if DEBUG_RPC_SERVER_GENERIC
[436]	339	cycle = (uint32_t)hal_get_cycles();
[564]	340	uint32_t items = remote_fifo_items( XPTR( local_cxy , rpc_fifo ) );
[438]	341	if( DEBUG_RPC_SERVER_GENERIC < cycle )
[611]	342	printk("\n[%s] RPC thread[%x,%x] got rpc %s / client_cxy %x / items %d / cycle %d\n",
	343	__FUNCTION__, server_ptr->process->pid, server_ptr->trdid, rpc_str[index], desc_cxy, items, cycle );
[436]	344	#endif
[610]	345	// register client thread in RPC thread descriptor
[619]	346	server_ptr->rpc_client_xp = client_xp;
[610]	347
[564]	348	// call the relevant server function
	349	rpc_server[index]( desc_xp );
[409]	350
[641]	351	// update responses counter
	352	responses = hal_remote_atomic_add( rsp_xp , -1 );
	353
[438]	354	#if DEBUG_RPC_SERVER_GENERIC
[436]	355	cycle = (uint32_t)hal_get_cycles();
[438]	356	if( DEBUG_RPC_SERVER_GENERIC < cycle )
[641]	357	printk("\n[%s] RPC thread[%x,%x] completes rpc %s / responses %d / cycle %d\n",
	358	__FUNCTION__, server_ptr->process->pid, server_ptr->trdid, rpc_str[index], responses, cycle );
[436]	359	#endif
[619]	360	// decrement expected responses counter
	361	// unblock client thread if last response
	362	if( responses == 1 )
[564]	363	{
	364	// unblock client thread
[619]	365	thread_unblock( client_xp , THREAD_BLOCKED_RPC );
[409]	366
[564]	367	hal_fence();
[409]	368
[438]	369	#if DEBUG_RPC_SERVER_GENERIC
	370	cycle = (uint32_t)hal_get_cycles();
[619]	371	trdid_t client_trdid = hal_remote_l32( XPTR( desc_cxy , &client_ptr->trdid ) );
	372	process_t * process = hal_remote_lpt( XPTR( desc_cxy , &client_ptr->process ) );
	373	pid_t client_pid = hal_remote_l32( XPTR( desc_cxy , &process->pid ) );
[438]	374	if( DEBUG_RPC_SERVER_GENERIC < cycle )
[611]	375	printk("\n[%s] RPC thread[%x,%x] unblocked client thread[%x,%x] / cycle %d\n",
	376	__FUNCTION__, server_ptr->process->pid, server_ptr->trdid,
[619]	377	client_pid, client_trdid, cycle );
[438]	378	#endif
[564]	379	// send IPI to client core
[619]	380	dev_pic_send_ipi( desc_cxy , client_lid );
[611]	381	}
[564]	382	} // end RPC handling if fifo non empty
	383	} // end if RPC_fIFO ownership successfully taken and released
[409]	384
[564]	385	// sucide if too many RPC threads
[619]	386	if( LOCAL_CLUSTER->rpc_threads[server_lid] >= CONFIG_RPC_THREADS_MAX )
[409]	387	{
	388
[438]	389	#if DEBUG_RPC_SERVER_GENERIC
[436]	390	uint32_t cycle = (uint32_t)hal_get_cycles();
[438]	391	if( DEBUG_RPC_SERVER_GENERIC < cycle )
[611]	392	printk("\n[%s] RPC thread[%x,%x] suicides / cycle %d\n",
	393	__FUNCTION__, server_ptr->process->pid, server_ptr->trdid, cycle );
[436]	394	#endif
[409]	395	// update RPC threads counter
[619]	396	hal_atomic_add( &LOCAL_CLUSTER->rpc_threads[server_lid] , -1 );
[409]	397
[440]	398	// RPC thread blocks on GLOBAL
	399	thread_block( server_xp , THREAD_BLOCKED_GLOBAL );
	400
	401	// RPC thread set the REQ_DELETE flag to suicide
	402	hal_remote_atomic_or( server_xp , THREAD_FLAG_REQ_DELETE );
[409]	403	}
[564]	404	// block and deschedule otherwise
[440]	405	else
	406	{
[409]	407
[438]	408	#if DEBUG_RPC_SERVER_GENERIC
[436]	409	uint32_t cycle = (uint32_t)hal_get_cycles();
[438]	410	if( DEBUG_RPC_SERVER_GENERIC < cycle )
[619]	411	printk("\n[%s] RPC thread[%x,%x] blocks & deschedules / cycle %d\n",
[611]	412	__FUNCTION__, server_ptr->process->pid, server_ptr->trdid, cycle );
[436]	413	#endif
[564]	414	// RPC thread blocks on IDLE
	415	thread_block( server_xp , THREAD_BLOCKED_IDLE );
[409]	416
[440]	417	// RPC thread deschedules
[564]	418	sched_yield("RPC_FIFO empty");
[440]	419	}
[438]	420	} // end infinite loop
[409]	421
[619]	422	} // end rpc_server_func()
[409]	423
[619]	424
[1]	425	/////////////////////////////////////////////////////////////////////////////////////////
[632]	426	// [0] RPC_PMEM_GET_PAGES deprecated [AG] May 2019
[1]	427	/////////////////////////////////////////////////////////////////////////////////////////
	428
[632]	429	/*
[1]	430	///////////////////////////////////////////////
	431	void rpc_pmem_get_pages_client( cxy_t cxy,
	432	uint32_t order, // in
[313]	433	page_t ** page ) // out
[1]	434	{
[438]	435	#if DEBUG_RPC_PMEM_GET_PAGES
[564]	436	thread_t * this = CURRENT_THREAD;
[438]	437	uint32_t cycle = (uint32_t)hal_get_cycles();
	438	if( cycle > DEBUG_RPC_PMEM_GET_PAGES )
[601]	439	printk("\n[%s] thread[%x,%x] on core %d enter / cycle %d\n",
	440	__FUNCTION__, this->process->pid, this->trdid, this->core->lid, cycle );
[438]	441	#endif
[296]	442
[619]	443	uint32_t responses = 1;
[1]	444
	445	// initialise RPC descriptor header
	446	rpc_desc_t rpc;
[438]	447	rpc.index = RPC_PMEM_GET_PAGES;
	448	rpc.blocking = true;
[619]	449	rpc.rsp = &responses;
[1]	450
	451	// set input arguments in RPC descriptor
	452	rpc.args[0] = (uint64_t)order;
	453
[436]	454	// register RPC request in remote RPC fifo
[416]	455	rpc_send( cxy , &rpc );
[1]	456
[313]	457	// get output arguments from RPC descriptor
[407]	458	page = (page_t )(intptr_t)rpc.args[1];
[279]	459
[438]	460	#if DEBUG_RPC_PMEM_GET_PAGES
	461	cycle = (uint32_t)hal_get_cycles();
	462	if( cycle > DEBUG_RPC_PMEM_GET_PAGES )
[601]	463	printk("\n[%s] thread[%x,%x] on core %d exit / cycle %d\n",
	464	__FUNCTION__, this->process->pid, this->trdid, this->core->lid, cycle );
[438]	465	#endif
[1]	466	}
	467
	468	///////////////////////////////////////////
	469	void rpc_pmem_get_pages_server( xptr_t xp )
	470	{
[438]	471	#if DEBUG_RPC_PMEM_GET_PAGES
[564]	472	thread_t * this = CURRENT_THREAD;
[438]	473	uint32_t cycle = (uint32_t)hal_get_cycles();
	474	if( cycle > DEBUG_RPC_PMEM_GET_PAGES )
[601]	475	printk("\n[%s] thread[%x,%x] on core %d enter / cycle %d\n",
	476	__FUNCTION__, this->process->pid, this->trdid, this->core->lid, cycle );
[438]	477	#endif
[296]	478
[1]	479	// get client cluster identifier and pointer on RPC descriptor
[436]	480	cxy_t cxy = GET_CXY( xp );
	481	rpc_desc_t * desc = GET_PTR( xp );
[1]	482
	483	// get input arguments from client RPC descriptor
[564]	484	uint32_t order = (uint32_t)hal_remote_l64( XPTR( cxy , &desc->args[0] ) );
[1]	485
	486	// call local pmem allocator
	487	page_t * page = ppm_alloc_pages( order );
	488
	489	// set output arguments into client RPC descriptor
[564]	490	hal_remote_s64( XPTR( cxy , &desc->args[1] ) , (uint64_t)(intptr_t)page );
[296]	491
[438]	492	#if DEBUG_RPC_PMEM_GET_PAGES
	493	cycle = (uint32_t)hal_get_cycles();
	494	if( cycle > DEBUG_RPC_PMEM_GET_PAGES )
[601]	495	printk("\n[%s] thread[%x,%x] on core %d exit / cycle %d\n",
	496	__FUNCTION__, this->process->pid, this->trdid, this->core->lid, cycle );
[438]	497	#endif
[1]	498	}
[632]	499	*/
[1]	500
	501	/////////////////////////////////////////////////////////////////////////////////////////
[632]	502	// [1] RPC_PMEM_RELEASE_PAGES deprecated [AG] may 2019
[1]	503	/////////////////////////////////////////////////////////////////////////////////////////
	504
[632]	505	/*
[409]	506	//////////////////////////////////////////////////
	507	void rpc_pmem_release_pages_client( cxy_t cxy,
	508	page_t * page ) // out
	509	{
[438]	510	#if DEBUG_RPC_PMEM_RELEASE_PAGES
[564]	511	thread_t * this = CURRENT_THREAD;
[438]	512	uint32_t cycle = (uint32_t)hal_get_cycles();
	513	if( cycle > DEBUG_RPC_PMEM_RELEASE_PAGES )
[601]	514	printk("\n[%s] thread[%x,%x] on core %d enter / cycle %d\n",
	515	__FUNCTION__, this->process->pid, this->trdid, this->core->lid , cycle );
[438]	516	#endif
[409]	517
[619]	518	uint32_t responses = 1;
[409]	519
	520	// initialise RPC descriptor header
	521	rpc_desc_t rpc;
	522	rpc.index = RPC_PMEM_RELEASE_PAGES;
[416]	523	rpc.blocking = true;
[619]	524	rpc.rsp = &responses;
[409]	525
	526	// set input arguments in RPC descriptor
	527	rpc.args[0] = (uint64_t)(intptr_t)page;
	528
[436]	529	// register RPC request in remote RPC fifo
[416]	530	rpc_send( cxy , &rpc );
[409]	531
[438]	532	#if DEBUG_RPC_PMEM_RELEASE_PAGES
	533	cycle = (uint32_t)hal_get_cycles();
	534	if( cycle > DEBUG_RPC_PMEM_RELEASE_PAGES )
[601]	535	printk("\n[%s] thread[%x,%x] on core %d exit / cycle %d\n",
	536	__FUNCTION__, this->process->pid, this->trdid, this->core->lid, cycle );
[438]	537	#endif
[409]	538	}
	539
	540	///////////////////////////////////////////////
	541	void rpc_pmem_release_pages_server( xptr_t xp )
	542	{
[438]	543	#if DEBUG_RPC_PMEM_RELEASE_PAGES
[564]	544	thread_t * this = CURRENT_THREAD;
[438]	545	uint32_t cycle = (uint32_t)hal_get_cycles();
	546	if( cycle > DEBUG_RPC_PMEM_RELEASE_PAGES )
[601]	547	printk("\n[%s] thread[%x,%x] on core %d enter / cycle %d\n",
	548	__FUNCTION__, this->process->pid, this->trdid, this->core->lid , cycle );
[438]	549	#endif
[409]	550
	551	// get client cluster identifier and pointer on RPC descriptor
[436]	552	cxy_t cxy = GET_CXY( xp );
	553	rpc_desc_t * desc = GET_PTR( xp );
[409]	554
	555	// get input arguments from client RPC descriptor
[564]	556	page_t * page = (page_t *)(intptr_t)hal_remote_l64( XPTR( cxy , &desc->args[0] ) );
[409]	557
	558	// release memory to local pmem
	559	kmem_req_t req;
[635]	560	req.type = KMEM_PPM;
[409]	561	req.ptr = page;
	562	kmem_free( &req );
	563
[438]	564	#if DEBUG_RPC_PMEM_RELEASE_PAGES
	565	cycle = (uint32_t)hal_get_cycles();
	566	if( cycle > DEBUG_RPC_PMEM_RELEASE_PAGES )
[601]	567	printk("\n[%s] thread[%x,%x] on core %d exit / cycle %d\n",
	568	__FUNCTION__, this->process->pid, this->trdid, this->core->lid, cycle );
[438]	569	#endif
[409]	570	}
[632]	571	*/
[409]	572
	573	/////////////////////////////////////////////////////////////////////////////////////////
[632]	574	// [2] RPC_PPM_DISPLAY deprecated [AG] May 2019
[409]	575	/////////////////////////////////////////////////////////////////////////////////////////
	576
[632]	577	/*
[625]	578	/////////////////////////////////////////
	579	void rpc_ppm_display_client( cxy_t cxy )
	580	{
	581	#if DEBUG_RPC_PPM_DISPLAY
	582	thread_t * this = CURRENT_THREAD;
	583	uint32_t cycle = (uint32_t)hal_get_cycles();
	584	if( cycle > DEBUG_RPC_PPM_DISPLAY )
	585	printk("\n[%s] thread[%x,%x] on core %d enter / cycle %d\n",
	586	__FUNCTION__, this->process->pid, this->trdid, this->core->lid , cycle );
	587	#endif
	588
	589	uint32_t responses = 1;
	590
	591	// initialise RPC descriptor header
	592	rpc_desc_t rpc;
	593	rpc.index = RPC_PPM_DISPLAY;
	594	rpc.blocking = true;
	595	rpc.rsp = &responses;
	596
	597	// register RPC request in remote RPC fifo
	598	rpc_send( cxy , &rpc );
	599
	600	#if DEBUG_RPC_PPM_DISPLAY
	601	cycle = (uint32_t)hal_get_cycles();
	602	if( cycle > DEBUG_RPC_PPM_DISPLAY )
	603	printk("\n[%s] thread[%x,%x] on core %d exit / cycle %d\n",
	604	__FUNCTION__, this->process->pid, this->trdid, this->core->lid, cycle );
	605	#endif
	606	}
	607
	608	////////////////////////////////////////////////////////////////////
	609	void rpc_ppm_display_server( xptr_t __attribute__((__unused__)) xp )
	610	{
	611	#if DEBUG_RPC_PPM_DISPLAY
	612	thread_t * this = CURRENT_THREAD;
	613	uint32_t cycle = (uint32_t)hal_get_cycles();
	614	if( cycle > DEBUG_RPC_PPM_DISPLAY )
	615	printk("\n[%s] thread[%x,%x] on core %d enter / cycle %d\n",
	616	__FUNCTION__, this->process->pid, this->trdid, this->core->lid , cycle );
	617	#endif
	618
	619	// call local kernel function
	620	ppm_display();
	621
	622	#if DEBUG_RPC_PPM_DISPLAY
	623	cycle = (uint32_t)hal_get_cycles();
	624	if( cycle > DEBUG_RPC_PPM_DISPLAY )
	625	printk("\n[%s] thread[%x,%x] on core %d exit / cycle %d\n",
	626	__FUNCTION__, this->process->pid, this->trdid, this->core->lid, cycle );
	627	#endif
	628	}
[632]	629	*/
[625]	630
[1]	631	/////////////////////////////////////////////////////////////////////////////////////////
[619]	632	// [3] Marshaling functions attached to RPC_PROCESS_MAKE_FORK
[1]	633	/////////////////////////////////////////////////////////////////////////////////////////
	634
[408]	635	///////////////////////////////////////////////////
	636	void rpc_process_make_fork_client( cxy_t cxy,
	637	xptr_t ref_process_xp, // in
	638	xptr_t parent_thread_xp, // in
	639	pid_t * child_pid, // out
	640	thread_t ** child_thread_ptr, // out
	641	error_t * error ) // out
[1]	642	{
[438]	643	#if DEBUG_RPC_PROCESS_MAKE_FORK
[564]	644	thread_t * this = CURRENT_THREAD;
[438]	645	uint32_t cycle = (uint32_t)hal_get_cycles();
	646	if( cycle > DEBUG_RPC_PROCESS_MAKE_FORK )
[601]	647	printk("\n[%s] thread[%x,%x] on core %d enter / cycle %d\n",
	648	__FUNCTION__, this->process->pid, this->trdid, this->core->lid , cycle );
[438]	649	#endif
	650
[619]	651	uint32_t responses = 1;
[1]	652
	653	// initialise RPC descriptor header
	654	rpc_desc_t rpc;
[408]	655	rpc.index = RPC_PROCESS_MAKE_FORK;
[416]	656	rpc.blocking = true;
[619]	657	rpc.rsp = &responses;
[1]	658
	659	// set input arguments in RPC descriptor
[440]	660	rpc.args[0] = (uint64_t)ref_process_xp;
	661	rpc.args[1] = (uint64_t)parent_thread_xp;
[1]	662
[436]	663	// register RPC request in remote RPC fifo
[416]	664	rpc_send( cxy , &rpc );
[1]	665
	666	// get output arguments from RPC descriptor
[408]	667	*child_pid = (pid_t)rpc.args[2];
	668	child_thread_ptr = (thread_t )(intptr_t)rpc.args[3];
	669	*error = (error_t)rpc.args[4];
[279]	670
[438]	671	#if DEBUG_RPC_PROCESS_MAKE_FORK
	672	cycle = (uint32_t)hal_get_cycles();
	673	if( cycle > DEBUG_RPC_PROCESS_MAKE_FORK )
[601]	674	printk("\n[%s] thread[%x,%x] on core %d exit / cycle %d\n",
	675	__FUNCTION__, this->process->pid, this->trdid, this->core->lid, cycle );
[438]	676	#endif
[1]	677	}
	678
[408]	679	//////////////////////////////////////////////
	680	void rpc_process_make_fork_server( xptr_t xp )
[1]	681	{
[438]	682	#if DEBUG_RPC_PROCESS_MAKE_FORK
[564]	683	thread_t * this = CURRENT_THREAD;
[438]	684	uint32_t cycle = (uint32_t)hal_get_cycles();
	685	if( cycle > DEBUG_RPC_PROCESS_MAKE_FORK )
[601]	686	printk("\n[%s] thread[%x,%x] on core %d enter / cycle %d\n",
	687	__FUNCTION__, this->process->pid, this->trdid, this->core->lid, cycle );
[438]	688	#endif
[409]	689
[408]	690	xptr_t ref_process_xp; // extended pointer on reference parent process
	691	xptr_t parent_thread_xp; // extended pointer on parent thread
	692	pid_t child_pid; // child process identifier
	693	thread_t * child_thread_ptr; // local copy of exec_info structure
	694	error_t error; // local error status
[1]	695
	696	// get client cluster identifier and pointer on RPC descriptor
[436]	697	cxy_t client_cxy = GET_CXY( xp );
	698	rpc_desc_t * desc = GET_PTR( xp );
[1]	699
[408]	700	// get input arguments from cient RPC descriptor
[564]	701	ref_process_xp = (xptr_t)hal_remote_l64( XPTR( client_cxy , &desc->args[0] ) );
	702	parent_thread_xp = (xptr_t)hal_remote_l64( XPTR( client_cxy , &desc->args[1] ) );
[1]	703
	704	// call local kernel function
[408]	705	error = process_make_fork( ref_process_xp,
	706	parent_thread_xp,
	707	&child_pid,
	708	&child_thread_ptr );
[1]	709
	710	// set output argument into client RPC descriptor
[564]	711	hal_remote_s64( XPTR( client_cxy , &desc->args[2] ) , (uint64_t)child_pid );
	712	hal_remote_s64( XPTR( client_cxy , &desc->args[3] ) , (uint64_t)(intptr_t)child_thread_ptr );
	713	hal_remote_s64( XPTR( client_cxy , &desc->args[4] ) , (uint64_t)error );
[296]	714
[438]	715	#if DEBUG_RPC_PROCESS_MAKE_FORK
	716	cycle = (uint32_t)hal_get_cycles();
	717	if( cycle > DEBUG_RPC_PROCESS_MAKE_FORK )
[601]	718	printk("\n[%s] thread[%x,%x] on core %d exit / cycle %d\n",
	719	__FUNCTION__, this->process->pid, this->trdid, this->core->lid, cycle );
[438]	720	#endif
[1]	721	}
	722
	723	/////////////////////////////////////////////////////////////////////////////////////////
[619]	724	// [4] Marshaling functions attached to RPC_USER_DIR_CREATE
[1]	725	/////////////////////////////////////////////////////////////////////////////////////////
	726
[612]	727	////////////////////////////////////////////////////
	728	void rpc_user_dir_create_client( cxy_t cxy,
	729	vfs_inode_t * inode,
[614]	730	xptr_t ref_xp,
[612]	731	user_dir_t ** dir )
	732	{
	733	#if DEBUG_RPC_USER_DIR_CREATE
	734	thread_t * this = CURRENT_THREAD;
	735	uint32_t cycle = (uint32_t)hal_get_cycles();
	736	if( cycle > DEBUG_RPC_USER_DIR_CREATE)
	737	printk("\n[%s] thread[%x,%x] on core %d enter / cycle %d\n",
	738	__FUNCTION__, this->process->pid, this->trdid, this->core->lid, cycle );
	739	#endif
	740
[619]	741	uint32_t responses = 1;
[612]	742
	743	// initialise RPC descriptor header
	744	rpc_desc_t rpc;
	745	rpc.index = RPC_USER_DIR_CREATE;
	746	rpc.blocking = true;
[619]	747	rpc.rsp = &responses;
[612]	748
	749	// set input arguments in RPC descriptor
	750	rpc.args[0] = (uint64_t)(intptr_t)inode;
[614]	751	rpc.args[1] = (uint64_t)ref_xp;
[612]	752
	753	// register RPC request in remote RPC fifo
	754	rpc_send( cxy , &rpc );
	755
	756	// get output argument from RPC descriptor
[614]	757	dir = (user_dir_t )(intptr_t)rpc.args[2];
[612]	758
	759	#if DEBUG_RPC_USER_DIR_CREATE
	760	cycle = (uint32_t)hal_get_cycles();
	761	if( cycle > DEBUG_RPC_USER_DIR_CREATE)
	762	printk("\n[%s] thread[%x,%x] on core %d exit / cycle %d\n",
	763	__FUNCTION__, this->process->pid, this->trdid, this->core->lid, cycle );
	764	#endif
	765	}
	766
	767	////////////////////////////////////////////
	768	void rpc_user_dir_create_server( xptr_t xp )
	769	{
	770	#if DEBUG_RPC_USER_DIR_CREATE
	771	thread_t * this = CURRENT_THREAD;
	772	uint32_t cycle = (uint32_t)hal_get_cycles();
	773	if( cycle > DEBUG_RPC_USER_DIR_CREATE)
	774	printk("\n[%s] thread[%x,%x] on core %d enter / cycle %d\n",
	775	__FUNCTION__, this->process->pid, this->trdid, this->core->lid, cycle );
	776	#endif
	777
	778	vfs_inode_t * inode; // pointer on inode in server cluster
[614]	779	xptr_t ref_xp; // extended pointer on reference user process
[612]	780	user_dir_t * dir; // pointer on user_dir structure in server cluster
	781
	782	// get client cluster identifier and pointer on RPC descriptor
	783	cxy_t client_cxy = GET_CXY( xp );
	784	rpc_desc_t * desc = GET_PTR( xp );
	785
	786	// get input argument from RPC descriptor
[614]	787	inode = (vfs_inode_t *)(intptr_t)hal_remote_l64(XPTR(client_cxy , &desc->args[0]));
	788	ref_xp = (xptr_t) hal_remote_l64(XPTR(client_cxy , &desc->args[1]));
[612]	789
	790	// call kernel function
[614]	791	dir = user_dir_create( inode , ref_xp );
[612]	792
	793	// set output argument into RPC descriptor
[614]	794	hal_remote_s64( XPTR( client_cxy , &desc->args[2] ) , (intptr_t)dir );
[612]	795
	796	#if DEBUG_RPC_USER_DIR_CREATE
	797	cycle = (uint32_t)hal_get_cycles();
	798	if( cycle > DEBUG_RPC_USER_DIR_CREATE)
	799	printk("\n[%s] thread[%x,%x] on core %d exit / cycle %d\n",
	800	__FUNCTION__, this->process->pid, this->trdid, this->core->lid, cycle );
	801	#endif
	802	}
	803
[409]	804	/////////////////////////////////////////////////////////////////////////////////////////
[619]	805	// [5] Marshaling functions attached to RPC_USER_DIR_DESTROY
[409]	806	/////////////////////////////////////////////////////////////////////////////////////////
	807
[612]	808	////////////////////////////////////////////////////
	809	void rpc_user_dir_destroy_client( cxy_t cxy,
[614]	810	user_dir_t * dir,
	811	xptr_t ref_xp )
[612]	812	{
	813	#if DEBUG_RPC_USER_DIR_DESTROY
	814	thread_t * this = CURRENT_THREAD;
	815	uint32_t cycle = (uint32_t)hal_get_cycles();
	816	if( cycle > DEBUG_RPC_USER_DIR_DESTROY)
	817	printk("\n[%s] thread[%x,%x] on core %d enter / cycle %d\n",
	818	__FUNCTION__, this->process->pid, this->trdid, this->core->lid, cycle );
	819	#endif
	820
[619]	821	uint32_t responses = 1;
[612]	822
	823	// initialise RPC descriptor header
	824	rpc_desc_t rpc;
	825	rpc.index = RPC_USER_DIR_DESTROY;
	826	rpc.blocking = true;
[619]	827	rpc.rsp = &responses;
[612]	828
	829	// set input arguments in RPC descriptor
	830	rpc.args[0] = (uint64_t)(intptr_t)dir;
[614]	831	rpc.args[1] = (uint64_t)ref_xp;
[612]	832
	833	// register RPC request in remote RPC fifo
	834	rpc_send( cxy , &rpc );
	835
	836	#if DEBUG_RPC_USER_DIR_DESTROY
	837	cycle = (uint32_t)hal_get_cycles();
	838	if( cycle > DEBUG_RPC_USER_DIR_DESTROY)
	839	printk("\n[%s] thread[%x,%x] on core %d exit / cycle %d\n",
	840	__FUNCTION__, this->process->pid, this->trdid, this->core->lid, cycle );
	841	#endif
	842	}
	843
	844	/////////////////////////////////////////////
	845	void rpc_user_dir_destroy_server( xptr_t xp )
	846	{
	847	#if DEBUG_RPC_USER_DIR_DESTROY
	848	thread_t * this = CURRENT_THREAD;
	849	uint32_t cycle = (uint32_t)hal_get_cycles();
	850	if( cycle > DEBUG_RPC_USER_DIR_DESTROY)
	851	printk("\n[%s] thread[%x,%x] on core %d enter / cycle %d\n",
	852	__FUNCTION__, this->process->pid, this->trdid, this->core->lid, cycle );
	853	#endif
	854
	855	user_dir_t * dir; // pointer on user_dir structure in server cluster
[614]	856	xptr_t ref_xp; // extended pointer on reference process
[612]	857
	858	// get client cluster identifier and pointer on RPC descriptor
	859	cxy_t client_cxy = GET_CXY( xp );
	860	rpc_desc_t * desc = GET_PTR( xp );
	861
	862	// get input argument from RPC descriptor
[614]	863	dir = (user_dir_t *)(intptr_t)hal_remote_l64(XPTR(client_cxy , &desc->args[0]));
	864	ref_xp = (xptr_t) hal_remote_l64(XPTR(client_cxy , &desc->args[1]));
[612]	865
	866	// call kernel function
[614]	867	user_dir_destroy( dir , ref_xp );
[612]	868
	869	#if DEBUG_RPC_USER_DIR_DESTROY
	870	cycle = (uint32_t)hal_get_cycles();
	871	if( cycle > DEBUG_RPC_USER_DIR_DESTROY)
	872	printk("\n[%s] thread[%x,%x] on core %d exit / cycle %d\n",
	873	__FUNCTION__, this->process->pid, this->trdid, this->core->lid, cycle );
	874	#endif
	875	}
	876
[1]	877	/////////////////////////////////////////////////////////////////////////////////////////
[619]	878	// [6] Marshaling functions attached to RPC_THREAD_USER_CREATE
[1]	879	/////////////////////////////////////////////////////////////////////////////////////////
	880
	881	/////////////////////////////////////////////////////////
	882	void rpc_thread_user_create_client( cxy_t cxy,
[23]	883	pid_t pid, // in
	884	void * start_func, // in
	885	void * start_arg, // in
[1]	886	pthread_attr_t * attr, // in
	887	xptr_t * thread_xp, // out
	888	error_t * error ) // out
	889	{
[564]	890	#if DEBUG_RPC_THREAD_USER_CREATE
	891	thread_t * this = CURRENT_THREAD;
	892	uint32_t cycle = (uint32_t)hal_get_cycles();
	893	if( cycle > DEBUG_RPC_THREAD_USER_CREATE)
[601]	894	printk("\n[%s] thread[%x,%x] on core %d enter / cycle %d\n",
	895	__FUNCTION__, this->process->pid, this->trdid, this->core->lid, cycle );
[564]	896	#endif
[619]	897
	898	uint32_t responses = 1;
[564]	899
[1]	900	// initialise RPC descriptor header
	901	rpc_desc_t rpc;
[436]	902	rpc.index = RPC_THREAD_USER_CREATE;
[416]	903	rpc.blocking = true;
[619]	904	rpc.rsp = &responses;
[1]	905
	906	// set input arguments in RPC descriptor
[23]	907	rpc.args[0] = (uint64_t)pid;
	908	rpc.args[1] = (uint64_t)(intptr_t)start_func;
	909	rpc.args[2] = (uint64_t)(intptr_t)start_arg;
	910	rpc.args[3] = (uint64_t)(intptr_t)attr;
[1]	911
[436]	912	// register RPC request in remote RPC fifo
[416]	913	rpc_send( cxy , &rpc );
[1]	914
	915	// get output arguments from RPC descriptor
[23]	916	*thread_xp = (xptr_t)rpc.args[4];
	917	*error = (error_t)rpc.args[5];
[279]	918
[564]	919	#if DEBUG_RPC_THREAD_USER_CREATE
	920	cycle = (uint32_t)hal_get_cycles();
	921	if( cycle > DEBUG_RPC_THREAD_USER_CREATE)
[601]	922	printk("\n[%s] thread[%x,%x] on core %d exit / cycle %d\n",
	923	__FUNCTION__, this->process->pid, this->trdid, this->core->lid, cycle );
[564]	924	#endif
[1]	925	}
	926
	927	///////////////////////////////////////////////
	928	void rpc_thread_user_create_server( xptr_t xp )
	929	{
[564]	930	#if DEBUG_RPC_THREAD_USER_CREATE
	931	thread_t * this = CURRENT_THREAD;
	932	uint32_t cycle = (uint32_t)hal_get_cycles();
	933	if( cycle > DEBUG_RPC_THREAD_USER_CREATE)
[601]	934	printk("\n[%s] thread[%x,%x] on core %d enter / cycle %d\n",
	935	__FUNCTION__, this->process->pid, this->trdid, this->core->lid, cycle );
[564]	936	#endif
[409]	937
[1]	938	pthread_attr_t * attr_ptr; // pointer on attributes structure in client cluster
	939	pthread_attr_t attr_copy; // attributes structure copy in server cluster
	940	thread_t * thread_ptr; // local pointer on thread descriptor
	941	xptr_t thread_xp; // extended pointer on thread descriptor
[23]	942
[1]	943	pid_t pid; // process identifier
[23]	944	void * start_func;
	945	void * start_arg;
	946	error_t error;
[1]	947
	948	// get client cluster identifier and pointer on RPC descriptor
[436]	949	cxy_t client_cxy = GET_CXY( xp );
[438]	950	rpc_desc_t * desc = GET_PTR( xp );
[1]	951
[23]	952	// get input arguments from RPC descriptor
[564]	953	pid = (pid_t) hal_remote_l64(XPTR(client_cxy , &desc->args[0]));
	954	start_func = (void *)(intptr_t) hal_remote_l64(XPTR(client_cxy , &desc->args[1]));
	955	start_arg = (void *)(intptr_t) hal_remote_l64(XPTR(client_cxy , &desc->args[2]));
	956	attr_ptr = (pthread_attr_t *)(intptr_t)hal_remote_l64(XPTR(client_cxy , &desc->args[3]));
[23]	957
[1]	958	// makes a local copy of attributes structure
	959	hal_remote_memcpy( XPTR( local_cxy , &attr_copy ),
	960	XPTR( client_cxy , attr_ptr ),
	961	sizeof(pthread_attr_t) );
	962
[23]	963	// call kernel function
	964	error = thread_user_create( pid,
	965	start_func,
	966	start_arg,
	967	&attr_copy,
	968	&thread_ptr );
[1]	969	// set output arguments
	970	thread_xp = XPTR( local_cxy , thread_ptr );
[564]	971	hal_remote_s64( XPTR( client_cxy , &desc->args[4] ) , (uint64_t)thread_xp );
	972	hal_remote_s64( XPTR( client_cxy , &desc->args[5] ) , (uint64_t)error );
[296]	973
[564]	974	#if DEBUG_RPC_THREAD_USER_CREATE
	975	cycle = (uint32_t)hal_get_cycles();
	976	if( cycle > DEBUG_RPC_THREAD_USER_CREATE)
[601]	977	printk("\n[%s] thread[%x,%x] on core %d exit / cycle %d\n",
	978	__FUNCTION__, this->process->pid, this->trdid, this->core->lid, cycle );
[564]	979	#endif
[1]	980	}
	981
	982	/////////////////////////////////////////////////////////////////////////////////////////
[623]	983	// [7] Marshaling functions attached to RPC_THREAD_KERNEL_CREATE
[1]	984	/////////////////////////////////////////////////////////////////////////////////////////
	985
	986	////////////////////////////////////////////////////
	987	void rpc_thread_kernel_create_client( cxy_t cxy,
	988	uint32_t type, // in
	989	void * func, // in
	990	void * args, // in
	991	xptr_t * thread_xp, // out
	992	error_t * error ) // out
	993	{
[564]	994	#if DEBUG_RPC_THREAD_KERNEL_CREATE
	995	thread_t * this = CURRENT_THREAD;
	996	uint32_t cycle = (uint32_t)hal_get_cycles();
	997	if( cycle > DEBUG_RPC_THREAD_KERNEL_CREATE)
[601]	998	printk("\n[%s] thread[%x,%x] on core %d enter / cycle %d\n",
	999	__FUNCTION__, this->process->pid, this->trdid, this->core->lid, cycle );
[564]	1000	#endif
	1001
[619]	1002	uint32_t responses = 1;
[1]	1003
	1004	// initialise RPC descriptor header
	1005	rpc_desc_t rpc;
	1006	rpc.index = RPC_THREAD_KERNEL_CREATE;
[416]	1007	rpc.blocking = true;
[619]	1008	rpc.rsp = &responses;
[1]	1009
	1010	// set input arguments in RPC descriptor
	1011	rpc.args[0] = (uint64_t)type;
	1012	rpc.args[1] = (uint64_t)(intptr_t)func;
	1013	rpc.args[2] = (uint64_t)(intptr_t)args;
	1014
[436]	1015	// register RPC request in remote RPC fifo
[416]	1016	rpc_send( cxy , &rpc );
[1]	1017
	1018	// get output arguments from RPC descriptor
	1019	*thread_xp = (xptr_t)rpc.args[3];
	1020	*error = (error_t)rpc.args[4];
[279]	1021
[564]	1022	#if DEBUG_RPC_THREAD_KERNEL_CREATE
	1023	cycle = (uint32_t)hal_get_cycles();
	1024	if( cycle > DEBUG_RPC_THREAD_KERNEL_CREATE)
[601]	1025	printk("\n[%s] thread[%x,%x] on core %d exit / cycle %d\n",
	1026	__FUNCTION__, this->process->pid, this->trdid, this->core->lid, cycle );
[564]	1027	#endif
[1]	1028	}
	1029
	1030	/////////////////////////////////////////////////
	1031	void rpc_thread_kernel_create_server( xptr_t xp )
	1032	{
[564]	1033	#if DEBUG_RPC_THREAD_KERNEL_CREATE
	1034	thread_t * this = CURRENT_THREAD;
	1035	uint32_t cycle = (uint32_t)hal_get_cycles();
	1036	if( cycle > DEBUG_RPC_THREAD_KERNEL_CREATE)
[601]	1037	printk("\n[%s] thread[%x,%x] on core %d enter / cycle %d\n",
	1038	__FUNCTION__, this->process->pid, this->trdid, this->core->lid, cycle );
[564]	1039	#endif
	1040
[1]	1041	thread_t * thread_ptr; // local pointer on thread descriptor
	1042	xptr_t thread_xp; // extended pointer on thread descriptor
	1043	lid_t core_lid; // core local index
	1044	error_t error;
	1045
	1046	// get client cluster identifier and pointer on RPC descriptor
[436]	1047	cxy_t client_cxy = GET_CXY( xp );
[438]	1048	rpc_desc_t * desc = GET_PTR( xp );
[1]	1049
	1050	// get attributes from RPC descriptor
[564]	1051	uint32_t type = (uint32_t) hal_remote_l64( XPTR( client_cxy , &desc->args[0] ) );
	1052	void * func = (void*)(intptr_t)hal_remote_l64( XPTR( client_cxy , &desc->args[1] ) );
	1053	void * args = (void*)(intptr_t)hal_remote_l64( XPTR( client_cxy , &desc->args[2] ) );
[1]	1054
	1055	// select one core
[637]	1056	core_lid = cluster_select_local_core( local_cxy );
[1]	1057
	1058	// call local kernel function
	1059	error = thread_kernel_create( &thread_ptr , type , func , args , core_lid );
	1060
	1061	// set output arguments
	1062	thread_xp = XPTR( local_cxy , thread_ptr );
[564]	1063	hal_remote_s64( XPTR( client_cxy , &desc->args[1] ) , (uint64_t)error );
	1064	hal_remote_s64( XPTR( client_cxy , &desc->args[2] ) , (uint64_t)thread_xp );
[296]	1065
[564]	1066	#if DEBUG_RPC_THREAD_KERNEL_CREATE
	1067	cycle = (uint32_t)hal_get_cycles();
	1068	if( cycle > DEBUG_RPC_THREAD_KERNEL_CREATE)
[601]	1069	printk("\n[%s] thread[%x,%x] on core %d exit / cycle %d\n",
	1070	__FUNCTION__, this->process->pid, this->trdid, this->core->lid, cycle );
[564]	1071	#endif
[1]	1072	}
	1073
	1074	/////////////////////////////////////////////////////////////////////////////////////////
[640]	1075	// [8] Marshaling functions attached to RPC_VFS_FS_UPDATE_DENTRY
[1]	1076	/////////////////////////////////////////////////////////////////////////////////////////
	1077
[623]	1078	/////////////////////////////////////////////////////////
	1079	void rpc_vfs_fs_update_dentry_client( cxy_t cxy,
	1080	vfs_inode_t * inode,
	1081	vfs_dentry_t * dentry,
	1082	uint32_t size,
	1083	error_t * error )
	1084	{
	1085	#if DEBUG_RPC_VFS_FS_UPDATE_DENTRY
	1086	thread_t * this = CURRENT_THREAD;
	1087	uint32_t cycle = (uint32_t)hal_get_cycles();
	1088	if( cycle > DEBUG_RPC_VFS_FS_UPDATE_DENTRY )
	1089	printk("\n[%s] thread[%x,%x] on core %d enter / cycle %d\n",
	1090	__FUNCTION__, this->process->pid, this->trdid, this->core->lid , cycle );
	1091	#endif
[296]	1092
[623]	1093	uint32_t responses = 1;
	1094
	1095	// initialise RPC descriptor header
	1096	rpc_desc_t rpc;
	1097	rpc.index = RPC_VFS_FS_UPDATE_DENTRY;
	1098	rpc.blocking = true;
	1099	rpc.rsp = &responses;
	1100
	1101	// set input arguments in RPC descriptor
	1102	rpc.args[0] = (uint64_t)(intptr_t)inode;
	1103	rpc.args[1] = (uint64_t)(intptr_t)dentry;
	1104	rpc.args[2] = (uint64_t)size;
	1105
	1106	// register RPC request in remote RPC fifo
	1107	rpc_send( cxy , &rpc );
	1108
	1109	// get output values from RPC descriptor
	1110	*error = (error_t)rpc.args[3];
	1111
	1112	#if DEBUG_RPC_VFS_FS_UPDATE_DENTRY
	1113	cycle = (uint32_t)hal_get_cycles();
	1114	if( cycle > DEBUG_RPC_VFS_FS_UPDATE_DENTRY )
	1115	printk("\n[%s] thread[%x,%x] on core %d exit / cycle %d\n",
	1116	__FUNCTION__, this->process->pid, this->trdid, this->core->lid , cycle );
	1117	#endif
	1118	}
	1119
	1120	/////////////////////////////////////////////////
	1121	void rpc_vfs_fs_update_dentry_server( xptr_t xp )
	1122	{
	1123	#if DEBUG_RPC_VFS_FS_UPDATE_DENTRY
	1124	thread_t * this = CURRENT_THREAD;
	1125	uint32_t cycle = (uint32_t)hal_get_cycles();
	1126	if( cycle > DEBUG_RPC_VFS_FS_UPDATE_DENTRY )
	1127	printk("\n[%s] thread[%x,%x] on core %d enter / cycle %d\n",
	1128	__FUNCTION__, this->process->pid, this->trdid, this->core->lid , cycle );
	1129	#endif
	1130
	1131	error_t error;
	1132	vfs_inode_t * inode;
	1133	vfs_dentry_t * dentry;
	1134	uint32_t size;
	1135
	1136	// get client cluster identifier and pointer on RPC descriptor
	1137	cxy_t client_cxy = GET_CXY( xp );
	1138	rpc_desc_t * desc = GET_PTR( xp );
	1139
	1140	// get input arguments
	1141	inode = (vfs_inode_t*)(intptr_t) hal_remote_l64(XPTR(client_cxy , &desc->args[0]));
	1142	dentry = (vfs_dentry_t*)(intptr_t)hal_remote_l64(XPTR(client_cxy , &desc->args[1]));
	1143	size = (uint32_t) hal_remote_l64(XPTR(client_cxy , &desc->args[2]));
	1144
	1145	// call the kernel function
	1146	error = vfs_fs_update_dentry( inode , dentry , size );
	1147
	1148	// set output argument
	1149	hal_remote_s64( XPTR( client_cxy , &desc->args[3] ) , (uint64_t)error );
	1150
	1151	#if DEBUG_RPC_VFS_FS_UPDATE_DENTRY
	1152	cycle = (uint32_t)hal_get_cycles();
	1153	if( cycle > DEBUG_RPC_VFS_FS_UPDATE_DENTRY )
	1154	printk("\n[%s] thread[%x,%x] on core %d exit / cycle %d\n",
	1155	__FUNCTION__, this->process->pid, this->trdid, this->core->lid , cycle );
	1156	#endif
	1157	}
	1158
[23]	1159	/////////////////////////////////////////////////////////////////////////////////////////
[619]	1160	// [9] Marshaling functions attached to RPC_PROCESS_SIGACTION
[23]	1161	/////////////////////////////////////////////////////////////////////////////////////////
	1162
[416]	1163	////////////////////////////////////////////////////
	1164	void rpc_process_sigaction_client( cxy_t cxy,
[619]	1165	pid_t pid,
	1166	uint32_t action )
[409]	1167	{
[438]	1168	#if DEBUG_RPC_PROCESS_SIGACTION
[611]	1169	uint32_t cycle = (uint32_t)hal_get_cycles();
[610]	1170	thread_t * this = CURRENT_THREAD;
[438]	1171	if( DEBUG_RPC_PROCESS_SIGACTION < cycle )
[619]	1172	printk("\n[%s] thread[%x,%x] on core %d : enter to %s process %x / cycle %d\n",
	1173	__FUNCTION__, this->process->pid, this->trdid, this->core->lid,
	1174	process_action_str( action ), pid, cycle );
[436]	1175	#endif
[409]	1176
[619]	1177	uint32_t responses = 1;
	1178	rpc_desc_t rpc;
[409]	1179
[619]	1180	// initialise RPC descriptor header
	1181	rpc.index = RPC_PROCESS_SIGACTION;
	1182	rpc.blocking = true;
	1183	rpc.rsp = &responses;
[436]	1184
[619]	1185	// set input arguments in RPC descriptor
	1186	rpc.args[0] = (uint64_t)pid;
	1187	rpc.args[1] = (uint64_t)action;
	1188
	1189	// register RPC request in remote RPC fifo
	1190	rpc_send( cxy , &rpc );
	1191
[438]	1192	#if DEBUG_RPC_PROCESS_SIGACTION
[436]	1193	cycle = (uint32_t)hal_get_cycles();
[438]	1194	if( DEBUG_RPC_PROCESS_SIGACTION < cycle )
[619]	1195	printk("\n[%s] thread[%x,%x] on core %d : exit after %s process %x / cycle %d\n",
	1196	__FUNCTION__, this->process->pid, this->trdid, this->core->lid,
	1197	process_action_str( action ), pid, cycle );
[436]	1198	#endif
	1199	} // end rpc_process_sigaction_client()
	1200
[409]	1201	//////////////////////////////////////////////
	1202	void rpc_process_sigaction_server( xptr_t xp )
	1203	{
[611]	1204	// get client cluster identifier and pointer on RPC descriptor
	1205	cxy_t client_cxy = GET_CXY( xp );
	1206	rpc_desc_t * desc = GET_PTR( xp );
	1207
	1208	// get arguments from RPC descriptor
	1209	pid_t pid = (pid_t) hal_remote_l64( XPTR(client_cxy , &desc->args[0]) );
	1210	uint32_t action = (uint32_t)hal_remote_l64( XPTR(client_cxy , &desc->args[1]) );
	1211
[619]	1212	#if DEBUG_RPC_PROCESS_SIGACTION
	1213	uint32_t cycle = (uint32_t)hal_get_cycles();
	1214	thread_t * this = CURRENT_THREAD;
	1215	if( DEBUG_RPC_PROCESS_SIGACTION < cycle )
	1216	printk("\n[%s] thread[%x,%x] on core %d : enter to %s process %x / cycle %d\n",
	1217	__FUNCTION__, this->process->pid, this->trdid, this->core->lid,
	1218	process_action_str( action ), pid, cycle );
	1219	#endif
	1220
[440]	1221	// get client thread pointers
[611]	1222	thread_t * client_ptr = hal_remote_lpt( XPTR( client_cxy , &desc->thread ) );
	1223	xptr_t client_xp = XPTR( client_cxy , client_ptr );
[440]	1224
[435]	1225	// get local process descriptor
[611]	1226	process_t * process = cluster_get_local_process_from_pid( pid );
[435]	1227
[619]	1228	// call relevant kernel function if found / does nothing if not found
	1229	if( process != NULL )
	1230	{
	1231	if ( action == DELETE_ALL_THREADS ) process_delete_threads ( process , client_xp );
	1232	if ( action == BLOCK_ALL_THREADS ) process_block_threads ( process );
	1233	if ( action == UNBLOCK_ALL_THREADS ) process_unblock_threads( process );
	1234	}
[409]	1235
[438]	1236	#if DEBUG_RPC_PROCESS_SIGACTION
[436]	1237	cycle = (uint32_t)hal_get_cycles();
[438]	1238	if( DEBUG_RPC_PROCESS_SIGACTION < cycle )
[619]	1239	printk("\n[%s] thread[%x,%x] on core %d : exit after %s process %x / cycle %d\n",
	1240	__FUNCTION__, this->process->pid, this->trdid, this->core->lid,
	1241	process_action_str( action ), pid, cycle );
[436]	1242	#endif
	1243	} // end rpc_process_sigaction_server()
	1244
[409]	1245	/////////////////////////////////////////////////////////////////////////////////////////
[619]	1246	// [10] Marshaling functions attached to RPC_VFS_INODE_CREATE
[409]	1247	/////////////////////////////////////////////////////////////////////////////////////////
	1248
[1]	1249	/////////////////////////////////////////////////////
	1250	void rpc_vfs_inode_create_client( cxy_t cxy,
[23]	1251	uint32_t fs_type, // in
[1]	1252	uint32_t attr, // in
[23]	1253	uint32_t rights, // in
[1]	1254	uint32_t uid, // in
	1255	uint32_t gid, // in
	1256	xptr_t * inode_xp, // out
	1257	error_t * error ) // out
	1258	{
[459]	1259	#if DEBUG_RPC_VFS_INODE_CREATE
[564]	1260	thread_t * this = CURRENT_THREAD;
[459]	1261	uint32_t cycle = (uint32_t)hal_get_cycles();
	1262	if( cycle > DEBUG_RPC_VFS_INODE_CREATE )
[601]	1263	printk("\n[%s] thread[%x,%x] on core %d enter / cycle %d\n",
	1264	__FUNCTION__, this->process->pid, this->trdid, this->core->lid , cycle );
[459]	1265	#endif
	1266
[619]	1267	uint32_t responses = 1;
[1]	1268
	1269	// initialise RPC descriptor header
	1270	rpc_desc_t rpc;
	1271	rpc.index = RPC_VFS_INODE_CREATE;
[416]	1272	rpc.blocking = true;
[619]	1273	rpc.rsp = &responses;
[1]	1274
	1275	// set input arguments in RPC descriptor
[610]	1276	rpc.args[0] = (uint64_t)fs_type;
[623]	1277	rpc.args[1] = (uint64_t)attr;
	1278	rpc.args[2] = (uint64_t)rights;
	1279	rpc.args[3] = (uint64_t)uid;
	1280	rpc.args[4] = (uint64_t)gid;
[1]	1281
[436]	1282	// register RPC request in remote RPC fifo
[416]	1283	rpc_send( cxy , &rpc );
[1]	1284
	1285	// get output values from RPC descriptor
[623]	1286	*inode_xp = (xptr_t)rpc.args[5];
	1287	*error = (error_t)rpc.args[6];
[279]	1288
[459]	1289	#if DEBUG_RPC_VFS_INODE_CREATE
[564]	1290	cycle = (uint32_t)hal_get_cycles();
[459]	1291	if( cycle > DEBUG_RPC_VFS_INODE_CREATE )
[601]	1292	printk("\n[%s] thread[%x,%x] on core %d exit / cycle %d\n",
	1293	__FUNCTION__, this->process->pid, this->trdid, this->core->lid, cycle );
[459]	1294	#endif
[1]	1295	}
	1296
	1297	/////////////////////////////////////////////
	1298	void rpc_vfs_inode_create_server( xptr_t xp )
	1299	{
[459]	1300	#if DEBUG_RPC_VFS_INODE_CREATE
[564]	1301	thread_t * this = CURRENT_THREAD;
[459]	1302	uint32_t cycle = (uint32_t)hal_get_cycles();
	1303	if( cycle > DEBUG_RPC_VFS_INODE_CREATE )
[601]	1304	printk("\n[%s] thread[%x,%x] on core %d enter / cycle %d\n",
	1305	__FUNCTION__, this->process->pid, this->trdid, this->core->lid, cycle );
[459]	1306	#endif
	1307
[23]	1308	uint32_t fs_type;
[1]	1309	uint32_t attr;
[23]	1310	uint32_t rights;
[1]	1311	uint32_t uid;
	1312	uint32_t gid;
	1313	xptr_t inode_xp;
	1314	error_t error;
	1315
	1316	// get client cluster identifier and pointer on RPC descriptor
[436]	1317	cxy_t client_cxy = GET_CXY( xp );
	1318	rpc_desc_t * desc = GET_PTR( xp );
[1]	1319
	1320	// get input arguments from client rpc descriptor
[610]	1321	fs_type = (uint32_t) hal_remote_l64( XPTR( client_cxy , &desc->args[0] ) );
[623]	1322	attr = (uint32_t) hal_remote_l64( XPTR( client_cxy , &desc->args[1] ) );
	1323	rights = (uint32_t) hal_remote_l64( XPTR( client_cxy , &desc->args[2] ) );
	1324	uid = (uid_t) hal_remote_l64( XPTR( client_cxy , &desc->args[3] ) );
	1325	gid = (gid_t) hal_remote_l64( XPTR( client_cxy , &desc->args[4] ) );
[1]	1326
	1327	// call local kernel function
[610]	1328	error = vfs_inode_create( fs_type,
[1]	1329	attr,
[23]	1330	rights,
[1]	1331	uid,
	1332	gid,
	1333	&inode_xp );
	1334
	1335	// set output arguments
[623]	1336	hal_remote_s64( XPTR( client_cxy , &desc->args[5] ) , (uint64_t)inode_xp );
	1337	hal_remote_s64( XPTR( client_cxy , &desc->args[6] ) , (uint64_t)error );
[296]	1338
[459]	1339	#if DEBUG_RPC_VFS_INODE_CREATE
[564]	1340	cycle = (uint32_t)hal_get_cycles();
[459]	1341	if( cycle > DEBUG_RPC_VFS_INODE_CREATE )
[601]	1342	printk("\n[%s] thread[%x,%x] on core %d exit / cycle %d\n",
	1343	__FUNCTION__, this->process->pid, this->trdid, this->core->lid, cycle );
[459]	1344	#endif
[1]	1345	}
	1346
	1347	/////////////////////////////////////////////////////////////////////////////////////////
[619]	1348	// [11] Marshaling functions attached to RPC_VFS_INODE_DESTROY
[1]	1349	/////////////////////////////////////////////////////////////////////////////////////////
	1350
	1351	/////////////////////////////////////////////////////////////
	1352	void rpc_vfs_inode_destroy_client( cxy_t cxy,
[601]	1353	struct vfs_inode_s * inode )
[1]	1354	{
[459]	1355	#if DEBUG_RPC_VFS_INODE_DESTROY
[564]	1356	thread_t * this = CURRENT_THREAD;
[459]	1357	uint32_t cycle = (uint32_t)hal_get_cycles();
	1358	if( cycle > DEBUG_RPC_VFS_INODE_DESTROY )
[601]	1359	printk("\n[%s] thread[%x,%x] on core %d enter / cycle %d\n",
	1360	__FUNCTION__, this->process->pid, this->trdid, this->core->lid, cycle );
[459]	1361	#endif
	1362
[619]	1363	uint32_t responses = 1;
[1]	1364
	1365	// initialise RPC descriptor header
	1366	rpc_desc_t rpc;
	1367	rpc.index = RPC_VFS_INODE_DESTROY;
[416]	1368	rpc.blocking = true;
[619]	1369	rpc.rsp = &responses;
[1]	1370
	1371	// set input arguments in RPC descriptor
	1372	rpc.args[0] = (uint64_t)(intptr_t)inode;
	1373
[436]	1374	// register RPC request in remote RPC fifo
[416]	1375	rpc_send( cxy , &rpc );
[279]	1376
[459]	1377	#if DEBUG_RPC_VFS_INODE_DESTROY
[564]	1378	cycle = (uint32_t)hal_get_cycles();
[459]	1379	if( cycle > DEBUG_RPC_VFS_INODE_DESTROY )
[601]	1380	printk("\n[%s] thread[%x,%x] on core %d exit / cycle %d\n",
	1381	__FUNCTION__, this->process->pid, this->trdid, this->core->lid, cycle );
[459]	1382	#endif
[1]	1383	}
	1384
	1385	//////////////////////////////////////////////
	1386	void rpc_vfs_inode_destroy_server( xptr_t xp )
	1387	{
[459]	1388	#if DEBUG_RPC_VFS_INODE_DESTROY
[564]	1389	thread_t * this = CURRENT_THREAD;
[459]	1390	uint32_t cycle = (uint32_t)hal_get_cycles();
	1391	if( cycle > DEBUG_RPC_VFS_INODE_DESTROY )
[601]	1392	printk("\n[%s] thread[%x,%x] on core %d enter / cycle %d\n",
	1393	__FUNCTION__, this->process->pid, this->trdid, this->core->lid, cycle );
[459]	1394	#endif
	1395
[1]	1396	vfs_inode_t * inode;
	1397
	1398	// get client cluster identifier and pointer on RPC descriptor
[436]	1399	cxy_t client_cxy = GET_CXY( xp );
	1400	rpc_desc_t * desc = GET_PTR( xp );
[1]	1401
[601]	1402	// get argument "inode" from client RPC descriptor
[564]	1403	inode = (vfs_inode_t *)(intptr_t)hal_remote_l64( XPTR( client_cxy , &desc->args[0] ) );
[1]	1404
	1405	// call local kernel function
[601]	1406	vfs_inode_destroy( inode );
[296]	1407
[459]	1408	#if DEBUG_RPC_VFS_INODE_DESTROY
[564]	1409	cycle = (uint32_t)hal_get_cycles();
[459]	1410	if( cycle > DEBUG_RPC_VFS_INODE_DESTROY )
[601]	1411	printk("\n[%s] thread[%x,%x] on core %d exit / cycle %d\n",
	1412	__FUNCTION__, this->process->pid, this->trdid, this->core->lid, cycle );
[459]	1413	#endif
[1]	1414	}
	1415
	1416	/////////////////////////////////////////////////////////////////////////////////////////
[619]	1417	// [12] Marshaling functions attached to RPC_VFS_DENTRY_CREATE
[1]	1418	/////////////////////////////////////////////////////////////////////////////////////////
	1419
	1420	//////////////////////////////////////////////////////////////
	1421	void rpc_vfs_dentry_create_client( cxy_t cxy,
	1422	uint32_t type, // in
	1423	char * name, // in
	1424	xptr_t * dentry_xp, // out
	1425	error_t * error ) // out
	1426	{
[438]	1427	#if DEBUG_RPC_VFS_DENTRY_CREATE
[564]	1428	thread_t * this = CURRENT_THREAD;
[438]	1429	uint32_t cycle = (uint32_t)hal_get_cycles();
	1430	if( cycle > DEBUG_RPC_VFS_DENTRY_CREATE )
[601]	1431	printk("\n[%s] thread[%x,%x] on core %d enter / cycle %d\n",
	1432	__FUNCTION__, this->process->pid, this->trdid, this->core->lid, cycle );
[438]	1433	#endif
[296]	1434
[619]	1435	uint32_t responses = 1;
[1]	1436
	1437	// initialise RPC descriptor header
	1438	rpc_desc_t rpc;
	1439	rpc.index = RPC_VFS_DENTRY_CREATE;
[416]	1440	rpc.blocking = true;
[619]	1441	rpc.rsp = &responses;
[1]	1442
	1443	// set input arguments in RPC descriptor
	1444	rpc.args[0] = (uint64_t)type;
	1445	rpc.args[1] = (uint64_t)(intptr_t)name;
	1446
[436]	1447	// register RPC request in remote RPC fifo
[416]	1448	rpc_send( cxy , &rpc );
[1]	1449
	1450	// get output values from RPC descriptor
[610]	1451	*dentry_xp = (xptr_t)rpc.args[2];
	1452	*error = (error_t)rpc.args[3];
[279]	1453
[438]	1454	#if DEBUG_RPC_VFS_DENTRY_CREATE
	1455	cycle = (uint32_t)hal_get_cycles();
	1456	if( cycle > DEBUG_RPC_VFS_DENTRY_CREATE )
[601]	1457	printk("\n[%s] thread[%x,%x] on core %d exit / cycle %d\n",
	1458	__FUNCTION__, this->process->pid, this->trdid, this->core->lid, cycle );
[438]	1459	#endif
[1]	1460	}
	1461
	1462	//////////////////////////////////////////////
	1463	void rpc_vfs_dentry_create_server( xptr_t xp )
	1464	{
[438]	1465	#if DEBUG_RPC_VFS_DENTRY_CREATE
[564]	1466	thread_t * this = CURRENT_THREAD;
[438]	1467	uint32_t cycle = (uint32_t)hal_get_cycles();
	1468	if( cycle > DEBUG_RPC_VFS_DENTRY_CREATE )
[601]	1469	printk("\n[%s] thread[%x,%x] on core %d enter / cycle %d\n",
	1470	__FUNCTION__, this->process->pid, this->trdid, this->core->lid , cycle );
[438]	1471	#endif
	1472
[1]	1473	uint32_t type;
	1474	char * name;
	1475	xptr_t dentry_xp;
	1476	error_t error;
[238]	1477	char name_copy[CONFIG_VFS_MAX_NAME_LENGTH];
	1478
[1]	1479	// get client cluster identifier and pointer on RPC descriptor
[436]	1480	cxy_t client_cxy = GET_CXY( xp );
	1481	rpc_desc_t * desc = GET_PTR( xp );
[1]	1482
[238]	1483	// get arguments "name", "type", and "parent" from client RPC descriptor
[610]	1484	type = (uint32_t) hal_remote_l64( XPTR( client_cxy , &desc->args[0] ) );
	1485	name = (char *)(intptr_t) hal_remote_l64( XPTR( client_cxy , &desc->args[1] ) );
[296]	1486
[238]	1487	// makes a local copy of name
	1488	hal_remote_strcpy( XPTR( local_cxy , name_copy ),
	1489	XPTR( client_cxy , name ) );
	1490
[1]	1491	// call local kernel function
	1492	error = vfs_dentry_create( type,
	1493	name_copy,
	1494	&dentry_xp );
	1495	// set output arguments
[610]	1496	hal_remote_s64( XPTR( client_cxy , &desc->args[2] ) , (uint64_t)dentry_xp );
	1497	hal_remote_s64( XPTR( client_cxy , &desc->args[3] ) , (uint64_t)error );
[296]	1498
[438]	1499	#if DEBUG_RPC_VFS_DENTRY_CREATE
	1500	cycle = (uint32_t)hal_get_cycles();
	1501	if( cycle > DEBUG_RPC_VFS_DENTRY_CREATE )
[601]	1502	printk("\n[%s] thread[%x,%x] on core %d exit / cycle %d\n",
	1503	__FUNCTION__, this->process->pid, this->trdid, this->core->lid, cycle );
[438]	1504	#endif
[1]	1505	}
	1506
	1507	/////////////////////////////////////////////////////////////////////////////////////////
[619]	1508	// [13] Marshaling functions attached to RPC_VFS_DENTRY_DESTROY
[1]	1509	/////////////////////////////////////////////////////////////////////////////////////////
	1510
	1511	///////////////////////////////////////////////////////
	1512	void rpc_vfs_dentry_destroy_client( cxy_t cxy,
[601]	1513	vfs_dentry_t * dentry )
[1]	1514	{
[440]	1515	#if DEBUG_RPC_VFS_DENTRY_DESTROY
[564]	1516	thread_t * this = CURRENT_THREAD;
[440]	1517	uint32_t cycle = (uint32_t)hal_get_cycles();
	1518	if( cycle > DEBUG_RPC_VFS_DENTRY_DESTROY )
[601]	1519	printk("\n[%s] thread[%x,%x] on core %d enter / cycle %d\n",
	1520	__FUNCTION__, this->process->pid, this->trdid, this->core->lid , cycle );
[440]	1521	#endif
	1522
[619]	1523	uint32_t responses = 1;
[1]	1524
	1525	// initialise RPC descriptor header
	1526	rpc_desc_t rpc;
	1527	rpc.index = RPC_VFS_DENTRY_DESTROY;
[416]	1528	rpc.blocking = true;
[619]	1529	rpc.rsp = &responses;
[1]	1530
	1531	// set input arguments in RPC descriptor
	1532	rpc.args[0] = (uint64_t)(intptr_t)dentry;
	1533
[436]	1534	// register RPC request in remote RPC fifo
[416]	1535	rpc_send( cxy , &rpc );
[279]	1536
[440]	1537	#if DEBUG_RPC_VFS_DENTRY_DESTROY
	1538	cycle = (uint32_t)hal_get_cycles();
	1539	if( cycle > DEBUG_RPC_VFS_DENTRY_DESTROY )
[601]	1540	printk("\n[%s] thread[%x,%x] on core %d exit / cycle %d\n",
	1541	__FUNCTION__, this->process->pid, this->trdid, this->core->lid, cycle );
[440]	1542	#endif
[1]	1543	}
	1544
	1545	///////////////////////////////////////////////
	1546	void rpc_vfs_dentry_destroy_server( xptr_t xp )
	1547	{
[440]	1548	#if DEBUG_RPC_VFS_DENTRY_DESTROY
[564]	1549	thread_t * this = CURRENT_THREAD;
[440]	1550	uint32_t cycle = (uint32_t)hal_get_cycles();
	1551	if( cycle > DEBUG_RPC_VFS_DENTRY_DESTROY )
[601]	1552	printk("\n[%s] thread[%x,%x] on core %d enter / cycle %d\n",
	1553	__FUNCTION__, this->process->pid, this->trdid, this->core->lid , cycle );
[440]	1554	#endif
	1555
[1]	1556	vfs_dentry_t * dentry;
	1557
	1558	// get client cluster identifier and pointer on RPC descriptor
[436]	1559	cxy_t client_cxy = GET_CXY( xp );
	1560	rpc_desc_t * desc = GET_PTR( xp );
[1]	1561
	1562	// get arguments "dentry" from client RPC descriptor
[564]	1563	dentry = (vfs_dentry_t *)(intptr_t)hal_remote_l64( XPTR( client_cxy , &desc->args[0] ) );
[1]	1564
	1565	// call local kernel function
[601]	1566	vfs_dentry_destroy( dentry );
[296]	1567
[440]	1568	#if DEBUG_RPC_VFS_DENTRY_DESTROY
	1569	cycle = (uint32_t)hal_get_cycles();
	1570	if( cycle > DEBUG_RPC_VFS_DENTRY_DESTROY )
[601]	1571	printk("\n[%s] thread[%x,%x] on core %d exit / cycle %d\n",
	1572	__FUNCTION__, this->process->pid, this->trdid, this->core->lid, cycle );
[440]	1573	#endif
[1]	1574	}
	1575
	1576
	1577	/////////////////////////////////////////////////////////////////////////////////////////
[619]	1578	// [14] Marshaling functions attached to RPC_VFS_FILE_CREATE
[1]	1579	/////////////////////////////////////////////////////////////////////////////////////////
	1580
[23]	1581	//////////////////////////////////////////////////////////////
	1582	void rpc_vfs_file_create_client( cxy_t cxy,
	1583	struct vfs_inode_s * inode, // in
	1584	uint32_t file_attr, // in
	1585	xptr_t * file_xp, // out
	1586	error_t * error ) // out
	1587	{
[438]	1588	#if DEBUG_RPC_VFS_FILE_CREATE
[564]	1589	thread_t * this = CURRENT_THREAD;
[438]	1590	uint32_t cycle = (uint32_t)hal_get_cycles();
	1591	if( cycle > DEBUG_RPC_VFS_FILE_CREATE )
[601]	1592	printk("\n[%s] thread[%x,%x] on core %d enter / cycle %d\n",
	1593	__FUNCTION__, this->process->pid, this->trdid, this->core->lid , cycle );
[438]	1594	#endif
	1595
[619]	1596	uint32_t responses = 1;
[23]	1597
	1598	// initialise RPC descriptor header
	1599	rpc_desc_t rpc;
	1600	rpc.index = RPC_VFS_FILE_CREATE;
[416]	1601	rpc.blocking = true;
[619]	1602	rpc.rsp = &responses;
[23]	1603
	1604	// set input arguments in RPC descriptor
	1605	rpc.args[0] = (uint64_t)(intptr_t)inode;
	1606	rpc.args[1] = (uint64_t)file_attr;
	1607
[436]	1608	// register RPC request in remote RPC fifo
[416]	1609	rpc_send( cxy , &rpc );
[23]	1610
	1611	// get output values from RPC descriptor
	1612	*file_xp = (xptr_t)rpc.args[2];
	1613	*error = (error_t)rpc.args[3];
[279]	1614
[438]	1615	#if DEBUG_RPC_VFS_FILE_CREATE
	1616	cycle = (uint32_t)hal_get_cycles();
	1617	if( cycle > DEBUG_RPC_VFS_FILE_CREATE )
[601]	1618	printk("\n[%s] thread[%x,%x] on core %d exit / cycle %d\n",
	1619	__FUNCTION__, this->process->pid, this->trdid, this->core->lid, cycle );
[438]	1620	#endif
[23]	1621	}
	1622
	1623	////////////////////////////////////////////
	1624	void rpc_vfs_file_create_server( xptr_t xp )
	1625	{
[438]	1626	#if DEBUG_RPC_VFS_FILE_CREATE
[564]	1627	thread_t * this = CURRENT_THREAD;
[438]	1628	uint32_t cycle = (uint32_t)hal_get_cycles();
	1629	if( cycle > DEBUG_RPC_VFS_FILE_CREATE )
[601]	1630	printk("\n[%s] thread[%x,%x] on core %d enter / cycle %d\n",
	1631	__FUNCTION__, this->process->pid, this->trdid, this->core->lid , cycle );
[438]	1632	#endif
	1633
[23]	1634	uint32_t file_attr;
	1635	vfs_inode_t * inode;
	1636	xptr_t file_xp;
	1637	error_t error;
	1638
	1639	// get client cluster identifier and pointer on RPC descriptor
[436]	1640	cxy_t client_cxy = GET_CXY( xp );
	1641	rpc_desc_t * desc = GET_PTR( xp );
[23]	1642
	1643	// get arguments "file_attr" and "inode" from client RPC descriptor
[564]	1644	inode = (vfs_inode_t *)(intptr_t)hal_remote_l64( XPTR( client_cxy , &desc->args[0] ) );
	1645	file_attr = (uint32_t) hal_remote_l64( XPTR( client_cxy , &desc->args[1] ) );
[23]	1646
	1647	// call local kernel function
	1648	error = vfs_file_create( inode,
	1649	file_attr,
	1650	&file_xp );
	1651
	1652	// set output arguments
[564]	1653	hal_remote_s64( XPTR( client_cxy , &desc->args[2] ) , (uint64_t)file_xp );
	1654	hal_remote_s64( XPTR( client_cxy , &desc->args[3] ) , (uint64_t)error );
[296]	1655
[438]	1656	#if DEBUG_RPC_VFS_FILE_CREATE
	1657	cycle = (uint32_t)hal_get_cycles();
	1658	if( cycle > DEBUG_RPC_VFS_FILE_CREATE )
[601]	1659	printk("\n[%s] thread[%x,%x] on core %d exit / cycle %d\n",
	1660	__FUNCTION__, this->process->pid, this->trdid, this->core->lid, cycle );
[438]	1661	#endif
[23]	1662	}
	1663
	1664	/////////////////////////////////////////////////////////////////////////////////////////
[619]	1665	// [15] Marshaling functions attached to RPC_VFS_FILE_DESTROY
[23]	1666	/////////////////////////////////////////////////////////////////////////////////////////
	1667
	1668	///////////////////////////////////////////////////
	1669	void rpc_vfs_file_destroy_client( cxy_t cxy,
	1670	vfs_file_t * file )
	1671	{
[440]	1672	#if DEBUG_RPC_VFS_FILE_DESTROY
[564]	1673	thread_t * this = CURRENT_THREAD;
[440]	1674	uint32_t cycle = (uint32_t)hal_get_cycles();
	1675	if( cycle > DEBUG_RPC_VFS_FILE_DESTROY )
[601]	1676	printk("\n[%s] thread[%x,%x] on core %d enter / cycle %d\n",
	1677	__FUNCTION__, this->process->pid, this->trdid, this->core->lid , cycle );
[440]	1678	#endif
	1679
[619]	1680	uint32_t responses = 1;
[23]	1681
	1682	// initialise RPC descriptor header
	1683	rpc_desc_t rpc;
	1684	rpc.index = RPC_VFS_FILE_DESTROY;
[416]	1685	rpc.blocking = true;
[619]	1686	rpc.rsp = &responses;
[23]	1687
	1688	// set input arguments in RPC descriptor
	1689	rpc.args[0] = (uint64_t)(intptr_t)file;
	1690
[436]	1691	// register RPC request in remote RPC fifo
[416]	1692	rpc_send( cxy , &rpc );
[279]	1693
[440]	1694	#if DEBUG_RPC_VFS_FILE_DESTROY
	1695	cycle = (uint32_t)hal_get_cycles();
	1696	if( cycle > DEBUG_RPC_VFS_FILE_DESTROY )
[601]	1697	printk("\n[%s] thread[%x,%x] on core %d exit / cycle %d\n",
	1698	__FUNCTION__, this->process->pid, this->trdid, this->core->lid, cycle );
[440]	1699	#endif
[23]	1700	}
	1701
	1702	/////////////////////////////////////////////
	1703	void rpc_vfs_file_destroy_server( xptr_t xp )
	1704	{
[440]	1705	#if DEBUG_RPC_VFS_FILE_DESTROY
[564]	1706	thread_t * this = CURRENT_THREAD;
[440]	1707	uint32_t cycle = (uint32_t)hal_get_cycles();
	1708	if( cycle > DEBUG_RPC_VFS_FILE_DESTROY )
[601]	1709	printk("\n[%s] thread[%x,%x] on core %d enter / cycle %d\n",
	1710	__FUNCTION__, this->process->pid, this->trdid, this->core->lid , cycle );
[440]	1711	#endif
	1712
[23]	1713	vfs_file_t * file;
	1714
	1715	// get client cluster identifier and pointer on RPC descriptor
[436]	1716	cxy_t client_cxy = GET_CXY( xp );
	1717	rpc_desc_t * desc = GET_PTR( xp );
[23]	1718
	1719	// get arguments "dentry" from client RPC descriptor
[564]	1720	file = (vfs_file_t *)(intptr_t)hal_remote_l64( XPTR( client_cxy , &desc->args[0] ) );
[23]	1721
	1722	// call local kernel function
	1723	vfs_file_destroy( file );
[296]	1724
[440]	1725	#if DEBUG_RPC_VFS_FILE_DESTROY
	1726	cycle = (uint32_t)hal_get_cycles();
	1727	if( cycle > DEBUG_RPC_VFS_FILE_DESTROY )
[601]	1728	printk("\n[%s] thread[%x,%x] on core %d exit / cycle %d\n",
	1729	__FUNCTION__, this->process->pid, this->trdid, this->core->lid, cycle );
[440]	1730	#endif
[23]	1731	}
	1732
	1733	/////////////////////////////////////////////////////////////////////////////////////////
[619]	1734	// [16] Marshaling functions attached to RPC_VFS_FS_GET_DENTRY
[23]	1735	/////////////////////////////////////////////////////////////////////////////////////////
	1736
[601]	1737	/////////////////////////////////////////////////////////
[623]	1738	void rpc_vfs_fs_new_dentry_client( cxy_t cxy,
[601]	1739	vfs_inode_t * parent_inode, // in
	1740	char * name, // in
	1741	xptr_t child_inode_xp, // in
	1742	error_t * error ) // out
[238]	1743	{
[628]	1744	#if DEBUG_RPC_VFS_FS_NEW_DENTRY
[601]	1745	thread_t * this = CURRENT_THREAD;
	1746	uint32_t cycle = (uint32_t)hal_get_cycles();
[628]	1747	if( cycle > DEBUG_RPC_VFS_FS_NEW_DENTRY )
[601]	1748	printk("\n[%s] thread[%x,%x] on core %d enter / cycle %d\n",
	1749	__FUNCTION__, this->process->pid, this->trdid, this->core->lid , cycle );
	1750	#endif
	1751
[619]	1752	uint32_t responses = 1;
[238]	1753
	1754	// initialise RPC descriptor header
	1755	rpc_desc_t rpc;
[628]	1756	rpc.index = RPC_VFS_FS_NEW_DENTRY;
[416]	1757	rpc.blocking = true;
[619]	1758	rpc.rsp = &responses;
[238]	1759
	1760	// set input arguments in RPC descriptor
	1761	rpc.args[0] = (uint64_t)(intptr_t)parent_inode;
	1762	rpc.args[1] = (uint64_t)(intptr_t)name;
	1763	rpc.args[2] = (uint64_t)child_inode_xp;
	1764
[436]	1765	// register RPC request in remote RPC fifo
[416]	1766	rpc_send( cxy , &rpc );
[238]	1767
	1768	// get output values from RPC descriptor
	1769	*error = (error_t)rpc.args[3];
[279]	1770
[628]	1771	#if DEBUG_RPC_VFS_FS_NEW_DENTRY
[601]	1772	cycle = (uint32_t)hal_get_cycles();
[628]	1773	if( cycle > DEBUG_RPC_VFS_FS_NEW_DENTRY )
[601]	1774	printk("\n[%s] thread[%x,%x] on core %d exit / cycle %d\n",
	1775	__FUNCTION__, this->process->pid, this->trdid, this->core->lid , cycle );
	1776	#endif
[238]	1777	}
	1778
[601]	1779	//////////////////////////////////////////////
[623]	1780	void rpc_vfs_fs_new_dentry_server( xptr_t xp )
[238]	1781	{
[628]	1782	#if DEBUG_RPC_VFS_FS_NEW_DENTRY
[601]	1783	thread_t * this = CURRENT_THREAD;
	1784	uint32_t cycle = (uint32_t)hal_get_cycles();
[628]	1785	if( cycle > DEBUG_RPC_VFS_FS_NEW_DENTRY )
[601]	1786	printk("\n[%s] thread[%x,%x] on core %d enter / cycle %d\n",
	1787	__FUNCTION__, this->process->pid, this->trdid, this->core->lid , cycle );
	1788	#endif
	1789
[238]	1790	error_t error;
	1791	vfs_inode_t * parent;
	1792	xptr_t child_xp;
	1793	char * name;
	1794
	1795	char name_copy[CONFIG_VFS_MAX_NAME_LENGTH];
	1796
	1797	// get client cluster identifier and pointer on RPC descriptor
[436]	1798	cxy_t client_cxy = GET_CXY( xp );
	1799	rpc_desc_t * desc = GET_PTR( xp );
[238]	1800
	1801	// get arguments "parent", "name", and "child_xp"
[564]	1802	parent = (vfs_inode_t*)(intptr_t)hal_remote_l64(XPTR(client_cxy , &desc->args[0]));
	1803	name = (char*)(intptr_t) hal_remote_l64(XPTR(client_cxy , &desc->args[1]));
	1804	child_xp = (xptr_t) hal_remote_l64(XPTR(client_cxy , &desc->args[2]));
[238]	1805
	1806	// get name local copy
	1807	hal_remote_strcpy( XPTR( local_cxy , name_copy ) ,
	1808	XPTR( client_cxy , name ) );
	1809
	1810	// call the kernel function
[623]	1811	error = vfs_fs_new_dentry( parent , name_copy , child_xp );
[238]	1812
	1813	// set output argument
[564]	1814	hal_remote_s64( XPTR( client_cxy , &desc->args[3] ) , (uint64_t)error );
[296]	1815
[628]	1816	#if DEBUG_RPC_VFS_FS_NEW_DENTRY
[601]	1817	cycle = (uint32_t)hal_get_cycles();
[628]	1818	if( cycle > DEBUG_RPC_VFS_FS_NEW_DENTRY )
[601]	1819	printk("\n[%s] thread[%x,%x] on core %d exit / cycle %d\n",
	1820	__FUNCTION__, this->process->pid, this->trdid, this->core->lid , cycle );
	1821	#endif
[238]	1822	}
	1823
	1824	/////////////////////////////////////////////////////////////////////////////////////////
[619]	1825	// [17] Marshaling function attached to RPC_VFS_FS_ADD_DENTRY
[238]	1826	/////////////////////////////////////////////////////////////////////////////////////////
	1827
[601]	1828	void rpc_vfs_fs_add_dentry_client( cxy_t cxy,
	1829	vfs_inode_t * parent, // in
	1830	vfs_dentry_t * dentry, // in
	1831	error_t * error ) // out
[238]	1832	{
[601]	1833	#if DEBUG_RPC_VFS_FS_ADD_DENTRY
	1834	thread_t * this = CURRENT_THREAD;
	1835	uint32_t cycle = (uint32_t)hal_get_cycles();
	1836	if( cycle > DEBUG_RPC_VFS_FS_ADD_DENTRY )
	1837	printk("\n[%s] thread[%x,%x] on core %d enter / cycle %d\n",
	1838	__FUNCTION__, this->process->pid, this->trdid, this->core->lid , cycle );
	1839	#endif
	1840
[619]	1841	uint32_t responses = 1;
[238]	1842
	1843	// initialise RPC descriptor header
	1844	rpc_desc_t rpc;
[601]	1845	rpc.index = RPC_VFS_FS_ADD_DENTRY;
[416]	1846	rpc.blocking = true;
[619]	1847	rpc.rsp = &responses;
[238]	1848
	1849	// set input arguments in RPC descriptor
[601]	1850	rpc.args[0] = (uint64_t)(intptr_t)parent;
	1851	rpc.args[1] = (uint64_t)(intptr_t)dentry;
[238]	1852
[436]	1853	// register RPC request in remote RPC fifo
[416]	1854	rpc_send( cxy , &rpc );
[238]	1855
	1856	// get output values from RPC descriptor
[601]	1857	*error = (error_t)rpc.args[2];
[279]	1858
[601]	1859	#if DEBUG_RPC_VFS_FS_ADD_DENTRY
	1860	cycle = (uint32_t)hal_get_cycles();
	1861	if( cycle > DEBUG_RPC_VFS_FS_ADD_DENTRY )
	1862	printk("\n[%s] thread[%x,%x] on core %d exit / cycle %d\n",
	1863	__FUNCTION__, this->process->pid, this->trdid, this->core->lid , cycle );
	1864	#endif
[238]	1865	}
	1866
[619]	1867	//////////////////////////////////////////////
[601]	1868	void rpc_vfs_fs_add_dentry_server( xptr_t xp )
[238]	1869	{
[601]	1870	#if DEBUG_RPC_VFS_FS_ADD_DENTRY
	1871	thread_t * this = CURRENT_THREAD;
	1872	uint32_t cycle = (uint32_t)hal_get_cycles();
	1873	if( cycle > DEBUG_RPC_VFS_FS_ADD_DENTRY )
	1874	printk("\n[%s] thread[%x,%x] on core %d enter / cycle %d\n",
	1875	__FUNCTION__, this->process->pid, this->trdid, this->core->lid , cycle );
	1876	#endif
[238]	1877
[601]	1878	error_t error;
	1879	vfs_inode_t * parent;
	1880	vfs_dentry_t * dentry;
	1881
[238]	1882	// get client cluster identifier and pointer on RPC descriptor
[436]	1883	cxy_t client_cxy = GET_CXY( xp );
	1884	rpc_desc_t * desc = GET_PTR( xp );
[238]	1885
[601]	1886	// get input arguments
	1887	parent = (vfs_inode_t*)(intptr_t) hal_remote_l64(XPTR(client_cxy , &desc->args[0]));
	1888	dentry = (vfs_dentry_t*)(intptr_t)hal_remote_l64(XPTR(client_cxy , &desc->args[1]));
[238]	1889
	1890	// call the kernel function
[601]	1891	error = vfs_fs_add_dentry( parent , dentry );
[238]	1892
	1893	// set output argument
[601]	1894	hal_remote_s64( XPTR( client_cxy , &desc->args[2] ) , (uint64_t)error );
[296]	1895
[601]	1896	#if DEBUG_RPC_VFS_FS_ADD_DENTRY
	1897	cycle = (uint32_t)hal_get_cycles();
	1898	if( cycle > DEBUG_RPC_VFS_FS_ADD_DENTRY )
	1899	printk("\n[%s] thread[%x,%x] on core %d exit / cycle %d\n",
	1900	__FUNCTION__, this->process->pid, this->trdid, this->core->lid , cycle );
	1901	#endif
[238]	1902	}
	1903
	1904	/////////////////////////////////////////////////////////////////////////////////////////
[619]	1905	// [18] Marshaling function attached to RPC_VFS_FS_REMOVE_DENTRY
[238]	1906	/////////////////////////////////////////////////////////////////////////////////////////
	1907
[601]	1908	void rpc_vfs_fs_remove_dentry_client( cxy_t cxy,
	1909	vfs_inode_t * parent, // in
	1910	vfs_dentry_t * dentry, // in
	1911	error_t * error ) // out
[23]	1912	{
[601]	1913	#if DEBUG_RPC_VFS_FS_REMOVE_DENTRY
	1914	thread_t * this = CURRENT_THREAD;
	1915	uint32_t cycle = (uint32_t)hal_get_cycles();
	1916	if( cycle > DEBUG_RPC_VFS_FS_REMOVE_DENTRY )
	1917	printk("\n[%s] thread[%x,%x] on core %d enter / cycle %d\n",
	1918	__FUNCTION__, this->process->pid, this->trdid, this->core->lid , cycle );
	1919	#endif
	1920
[619]	1921	uint32_t responses = 1;
[23]	1922
	1923	// initialise RPC descriptor header
	1924	rpc_desc_t rpc;
[601]	1925	rpc.index = RPC_VFS_FS_REMOVE_DENTRY;
[416]	1926	rpc.blocking = true;
[619]	1927	rpc.rsp = &responses;
[23]	1928
	1929	// set input arguments in RPC descriptor
[601]	1930	rpc.args[0] = (uint64_t)(intptr_t)parent;
	1931	rpc.args[1] = (uint64_t)(intptr_t)dentry;
[23]	1932
[601]	1933	// register RPC request in remote RPC fifo
[416]	1934	rpc_send( cxy , &rpc );
[23]	1935
[601]	1936	// get output values from RPC descriptor
	1937	*error = (error_t)rpc.args[2];
[279]	1938
[601]	1939	#if DEBUG_RPC_VFS_FS_REMOVE_DENTRY
	1940	cycle = (uint32_t)hal_get_cycles();
	1941	if( cycle > DEBUG_RPC_VFS_FS_REMOVE_DENTRY )
	1942	printk("\n[%s] thread[%x,%x] on core %d exit / cycle %d\n",
	1943	__FUNCTION__, this->process->pid, this->trdid, this->core->lid , cycle );
	1944	#endif
[23]	1945	}
	1946
[601]	1947	/////////////////////////////////////////////////
	1948	void rpc_vfs_fs_remove_dentry_server( xptr_t xp )
[23]	1949	{
[601]	1950	#if DEBUG_RPC_VFS_FS_REMOVE_DENTRY
	1951	thread_t * this = CURRENT_THREAD;
	1952	uint32_t cycle = (uint32_t)hal_get_cycles();
	1953	if( cycle > DEBUG_RPC_VFS_FS_REMOVE_DENTRY )
	1954	printk("\n[%s] thread[%x,%x] on core %d enter / cycle %d\n",
	1955	__FUNCTION__, this->process->pid, this->trdid, this->core->lid , cycle );
	1956	#endif
[23]	1957
[601]	1958	error_t error;
	1959	vfs_inode_t * parent;
	1960	vfs_dentry_t * dentry;
	1961
[23]	1962	// get client cluster identifier and pointer on RPC descriptor
[436]	1963	cxy_t client_cxy = GET_CXY( xp );
[438]	1964	rpc_desc_t * desc = GET_PTR( xp );
[23]	1965
	1966	// get input arguments
[601]	1967	parent = (vfs_inode_t*)(intptr_t) hal_remote_l64(XPTR(client_cxy , &desc->args[0]));
	1968	dentry = (vfs_dentry_t*)(intptr_t)hal_remote_l64(XPTR(client_cxy , &desc->args[1]));
[23]	1969
	1970	// call the kernel function
[601]	1971	error = vfs_fs_remove_dentry( parent , dentry );
[23]	1972
	1973	// set output argument
[601]	1974	hal_remote_s64( XPTR( client_cxy , &desc->args[2] ) , (uint64_t)error );
[296]	1975
[601]	1976	#if DEBUG_RPC_VFS_FS_REMOVE_DENTRY
	1977	cycle = (uint32_t)hal_get_cycles();
	1978	if( cycle > DEBUG_RPC_VFS_FS_REMOVE_DENTRY )
	1979	printk("\n[%s] thread[%x,%x] on core %d exit / cycle %d\n",
	1980	__FUNCTION__, this->process->pid, this->trdid, this->core->lid , cycle );
	1981	#endif
[23]	1982	}
	1983
	1984	/////////////////////////////////////////////////////////////////////////////////////////
[619]	1985	// [19] Marshaling functions attached to RPC_VFS_INODE_LOAD_ALL_PAGES
[601]	1986	/////////////////////////////////////////////////////////////////////////////////////////
	1987
	1988	////////////////////////////////////////////////////////////
	1989	void rpc_vfs_inode_load_all_pages_client( cxy_t cxy,
	1990	vfs_inode_t * inode, // in
	1991	error_t * error ) // out
	1992	{
	1993	#if DEBUG_RPC_VFS_INODE_LOAD_ALL_PAGES
	1994	thread_t * this = CURRENT_THREAD;
	1995	uint32_t cycle = (uint32_t)hal_get_cycles();
	1996	if( cycle > DEBUG_RPC_VFS_INODE_LOAD_ALL_PAGES )
	1997	printk("\n[%s] thread[%x,%x] on core %d enter / cycle %d\n",
	1998	__FUNCTION__, this->process->pid, this->trdid, this->core->lid , cycle );
	1999	#endif
	2000
[619]	2001	uint32_t responses = 1;
[601]	2002
	2003	// initialise RPC descriptor header
	2004	rpc_desc_t rpc;
	2005	rpc.index = RPC_VFS_INODE_LOAD_ALL_PAGES;
	2006	rpc.blocking = true;
[619]	2007	rpc.rsp = &responses;
[601]	2008
	2009	// set input arguments in RPC descriptor
	2010	rpc.args[0] = (uint64_t)(intptr_t)inode;
	2011
	2012	// register RPC request in remote RPC fifo
	2013	rpc_send( cxy , &rpc );
	2014
	2015	// get output values from RPC descriptor
	2016	*error = (error_t)rpc.args[1];
	2017
	2018	#if DEBUG_RPC_VFS_INODE_LOAD_ALL_PAGES
	2019	cycle = (uint32_t)hal_get_cycles();
	2020	if( cycle > DEBUG_RPC_VFS_INODE_LOAD_ALL_PAGES )
	2021	printk("\n[%s] thread[%x,%x] on core %d exit / cycle %d\n",
	2022	__FUNCTION__, this->process->pid, this->trdid, this->core->lid , cycle );
	2023	#endif
	2024	}
	2025
	2026	/////////////////////////////////////////////////////
	2027	void rpc_vfs_inode_load_all_pages_server( xptr_t xp )
	2028	{
	2029	#if DEBUG_RPC_VFS_INODE_LOAD_ALL_PAGES
	2030	thread_t * this = CURRENT_THREAD;
	2031	uint32_t cycle = (uint32_t)hal_get_cycles();
	2032	if( cycle > DEBUG_RPC_VFS_INODE_LOAD_ALL_PAGES )
	2033	printk("\n[%s] thread[%x,%x] on core %d enter / cycle %d\n",
	2034	__FUNCTION__, this->process->pid, this->trdid, this->core->lid , cycle );
	2035	#endif
	2036
	2037	error_t error;
	2038	vfs_inode_t * inode;
	2039
	2040	// get client cluster identifier and pointer on RPC descriptor
	2041	cxy_t client_cxy = GET_CXY( xp );
	2042	rpc_desc_t * desc = GET_PTR( xp );
	2043
	2044	// get input argument
	2045	inode = (vfs_inode_t*)(intptr_t)hal_remote_l64(XPTR(client_cxy , &desc->args[0]));
	2046
	2047	// call the kernel function
	2048	error = vfs_inode_load_all_pages( inode );
	2049
	2050	// set output argument
	2051	hal_remote_s64( XPTR( client_cxy , &desc->args[1] ) , (uint64_t)error );
	2052
	2053	#if DEBUG_RPC_VFS_INODE_LOAD_ALL_PAGES
	2054	cycle = (uint32_t)hal_get_cycles();
	2055	if( cycle > DEBUG_RPC_VFS_INODE_LOAD_ALL_PAGES )
	2056	printk("\n[%s] thread[%x,%x] on core %d exit / cycle %d\n",
	2057	__FUNCTION__, this->process->pid, this->trdid, this->core->lid , cycle );
	2058	#endif
	2059	}
	2060
	2061	/////////////////////////////////////////////////////////////////////////////////////////
[640]	2062	// [20] RPC_VMM_GET_VSEG deprecated [AG] sept 2019
[23]	2063	/////////////////////////////////////////////////////////////////////////////////////////
	2064
[640]	2065	/*
[23]	2066	//////////////////////////////////////////////////
[389]	2067	void rpc_vmm_get_vseg_client( cxy_t cxy,
	2068	process_t * process, // in
	2069	intptr_t vaddr, // in
	2070	xptr_t * vseg_xp, // out
	2071	error_t * error ) // out
[1]	2072	{
[440]	2073	#if DEBUG_RPC_VMM_GET_VSEG
[564]	2074	thread_t * this = CURRENT_THREAD;
[440]	2075	uint32_t cycle = (uint32_t)hal_get_cycles();
	2076	if( cycle > DEBUG_RPC_VMM_GET_VSEG )
[601]	2077	printk("\n[%s] thread[%x,%x] on core %d enter / cycle %d\n",
	2078	__FUNCTION__, this->process->pid, this->trdid, this->core->lid , cycle );
[440]	2079	#endif
	2080
[619]	2081	uint32_t responses = 1;
[1]	2082
	2083	// initialise RPC descriptor header
	2084	rpc_desc_t rpc;
[389]	2085	rpc.index = RPC_VMM_GET_VSEG;
[416]	2086	rpc.blocking = true;
[619]	2087	rpc.rsp = &responses;
[1]	2088
	2089	// set input arguments in RPC descriptor
	2090	rpc.args[0] = (uint64_t)(intptr_t)process;
	2091	rpc.args[1] = (uint64_t)vaddr;
	2092
[436]	2093	// register RPC request in remote RPC fifo
[416]	2094	rpc_send( cxy , &rpc );
[1]	2095
	2096	// get output argument from rpc descriptor
	2097	*vseg_xp = rpc.args[2];
[389]	2098	*error = (error_t)rpc.args[3];
[279]	2099
[440]	2100	#if DEBUG_RPC_VMM_GET_VSEG
	2101	cycle = (uint32_t)hal_get_cycles();
	2102	if( cycle > DEBUG_RPC_VMM_GET_VSEG )
[601]	2103	printk("\n[%s] thread[%x,%x] on core %d exit / cycle %d\n",
	2104	__FUNCTION__, this->process->pid, this->trdid, this->core->lid , cycle );
[440]	2105	#endif
[1]	2106	}
	2107
[389]	2108	/////////////////////////////////////////
	2109	void rpc_vmm_get_vseg_server( xptr_t xp )
[1]	2110	{
[440]	2111	#if DEBUG_RPC_VMM_GET_VSEG
[564]	2112	thread_t * this = CURRENT_THREAD;
[440]	2113	uint32_t cycle = (uint32_t)hal_get_cycles();
	2114	if( cycle > DEBUG_RPC_VMM_GET_VSEG )
[601]	2115	printk("\n[%s] thread[%x,%x] on core %d enter / cycle %d\n",
	2116	__FUNCTION__, this->process->pid, this->trdid, this->core->lid , cycle );
[440]	2117	#endif
	2118
[1]	2119	process_t * process;
	2120	intptr_t vaddr;
	2121	vseg_t * vseg_ptr;
	2122	xptr_t vseg_xp;
[389]	2123	error_t error;
[1]	2124
	2125	// get client cluster identifier and pointer on RPC descriptor
[436]	2126	cxy_t client_cxy = GET_CXY( xp );
	2127	rpc_desc_t * desc = GET_PTR( xp );
[1]	2128
	2129	// get input argument from client RPC descriptor
[564]	2130	process = (process_t *)(intptr_t)hal_remote_l64( XPTR( client_cxy , &desc->args[0] ) );
	2131	vaddr = (intptr_t)hal_remote_l64( XPTR( client_cxy , &desc->args[1] ) );
[1]	2132
	2133	// call local kernel function
[389]	2134	error = vmm_get_vseg( process , vaddr , &vseg_ptr );
[1]	2135
[389]	2136	// set output arguments to client RPC descriptor
	2137	vseg_xp = XPTR( local_cxy , vseg_ptr );
[564]	2138	hal_remote_s64( XPTR( client_cxy , &desc->args[2] ) , (uint64_t)vseg_xp );
	2139	hal_remote_s64( XPTR( client_cxy , &desc->args[3] ) , (uint64_t)error );
[296]	2140
[440]	2141	#if DEBUG_RPC_VMM_GET_VSEG
	2142	cycle = (uint32_t)hal_get_cycles();
	2143	if( cycle > DEBUG_RPC_VMM_GET_VSEG )
[601]	2144	printk("\n[%s] thread[%x,%x] on core %d exit / cycle %d\n",
	2145	__FUNCTION__, this->process->pid, this->trdid, this->core->lid , cycle );
[440]	2146	#endif
[1]	2147	}
[640]	2148	*/
[1]	2149
	2150	/////////////////////////////////////////////////////////////////////////////////////////
[640]	2151	// [21] undefined
[1]	2152	/////////////////////////////////////////////////////////////////////////////////////////
	2153
	2154	/////////////////////////////////////////////////////////////////////////////////////////
[640]	2155	// [22] RPC_KCM_ALLOC deprecated [AG] sept 2019
[1]	2156	/////////////////////////////////////////////////////////////////////////////////////////
	2157
[635]	2158	/*
[23]	2159	//////////////////////////////////////////
	2160	void rpc_kcm_alloc_client( cxy_t cxy,
	2161	uint32_t kmem_type, // in
[619]	2162	xptr_t * buf_xp ) // out
[1]	2163	{
[564]	2164	#if DEBUG_RPC_KCM_ALLOC
	2165	thread_t * this = CURRENT_THREAD;
	2166	uint32_t cycle = (uint32_t)hal_get_cycles();
	2167	if( cycle > DEBUG_RPC_KCM_ALLOC )
[601]	2168	printk("\n[%s] thread[%x,%x] on core %d enter / cycle %d\n",
	2169	__FUNCTION__, this->process->pid, this->trdid, this->core->lid , cycle );
[564]	2170	#endif
	2171
[619]	2172	uint32_t responses = 1;
[1]	2173
	2174	// initialise RPC descriptor header
	2175	rpc_desc_t rpc;
[441]	2176	rpc.index = RPC_KCM_ALLOC;
[416]	2177	rpc.blocking = true;
[619]	2178	rpc.rsp = &responses;
[1]	2179
[23]	2180	// set input arguments in RPC descriptor
	2181	rpc.args[0] = (uint64_t)kmem_type;
	2182
[436]	2183	// register RPC request in remote RPC fifo
[416]	2184	rpc_send( cxy , &rpc );
[1]	2185
	2186	// get output arguments from RPC descriptor
[23]	2187	*buf_xp = (xptr_t)rpc.args[1];
[279]	2188
[564]	2189	#if DEBUG_RPC_KCM_ALLOC
	2190	cycle = (uint32_t)hal_get_cycles();
	2191	if( cycle > DEBUG_RPC_KCM_ALLOC )
[601]	2192	printk("\n[%s] thread[%x,%x] on core %d exit / cycle %d\n",
	2193	__FUNCTION__, this->process->pid, this->trdid, this->core->lid , cycle );
[564]	2194	#endif
[1]	2195	}
	2196
[23]	2197	//////////////////////////////////////
	2198	void rpc_kcm_alloc_server( xptr_t xp )
[1]	2199	{
[564]	2200	#if DEBUG_RPC_KCM_ALLOC
	2201	thread_t * this = CURRENT_THREAD;
	2202	uint32_t cycle = (uint32_t)hal_get_cycles();
	2203	if( cycle > DEBUG_RPC_KCM_ALLOC )
[601]	2204	printk("\n[%s] thread[%x,%x] on core %d enter / cycle %d\n",
	2205	__FUNCTION__, this->process->pid, this->trdid, this->core->lid , cycle );
[564]	2206	#endif
	2207
[1]	2208	// get client cluster identifier and pointer on RPC descriptor
[436]	2209	cxy_t client_cxy = GET_CXY( xp );
[438]	2210	rpc_desc_t * desc = GET_PTR( xp );
[1]	2211
[23]	2212	// get input argument "kmem_type" from client RPC descriptor
[564]	2213	uint32_t kmem_type = (uint32_t)hal_remote_l64( XPTR( client_cxy , &desc->args[0] ) );
[23]	2214
	2215	// allocates memory for kcm
[1]	2216	kmem_req_t req;
[23]	2217	req.type = kmem_type;
[1]	2218	req.flags = AF_ZERO;
[23]	2219	void * buf_ptr = kmem_alloc( &req );
[1]	2220
	2221	// set output argument
[23]	2222	xptr_t buf_xp = XPTR( local_cxy , buf_ptr );
[564]	2223	hal_remote_s64( XPTR( client_cxy , &desc->args[1] ) , (uint64_t)buf_xp );
[296]	2224
[564]	2225	#if DEBUG_RPC_KCM_ALLOC
	2226	cycle = (uint32_t)hal_get_cycles();
	2227	if( cycle > DEBUG_RPC_KCM_ALLOC )
[601]	2228	printk("\n[%s] thread[%x,%x] on core %d exit / cycle %d\n",
	2229	__FUNCTION__, this->process->pid, this->trdid, this->core->lid , cycle );
[564]	2230	#endif
[1]	2231	}
[635]	2232	*/
[1]	2233
	2234	/////////////////////////////////////////////////////////////////////////////////////////
[640]	2235	// [23] RPC_KCM_FREE deprecated [AG] sept 2019
[1]	2236	/////////////////////////////////////////////////////////////////////////////////////////
	2237
[635]	2238	/*
[23]	2239	/////////////////////////////////////////
	2240	void rpc_kcm_free_client( cxy_t cxy,
	2241	void * buf, // in
	2242	uint32_t kmem_type ) // in
[1]	2243	{
[564]	2244	#if DEBUG_RPC_KCM_FREE
	2245	thread_t * this = CURRENT_THREAD;
	2246	uint32_t cycle = (uint32_t)hal_get_cycles();
	2247	if( cycle > DEBUG_RPC_KCM_FREE )
[601]	2248	printk("\n[%s] thread[%x,%x] on core %d enter / cycle %d\n",
	2249	__FUNCTION__, this->process->pid, this->trdid, this->core->lid , cycle );
[564]	2250	#endif
	2251
[619]	2252	uint32_t responses = 1;
[1]	2253
	2254	// initialise RPC descriptor header
	2255	rpc_desc_t rpc;
[441]	2256	rpc.index = RPC_KCM_FREE;
[416]	2257	rpc.blocking = true;
[619]	2258	rpc.rsp = &responses;
[1]	2259
	2260	// set input arguments in RPC descriptor
[23]	2261	rpc.args[0] = (uint64_t)(intptr_t)buf;
	2262	rpc.args[1] = (uint64_t)kmem_type;
[1]	2263
[436]	2264	// register RPC request in remote RPC fifo
[416]	2265	rpc_send( cxy , &rpc );
[279]	2266
[564]	2267	#if DEBUG_RPC_KCM_FREE
	2268	cycle = (uint32_t)hal_get_cycles();
	2269	if( cycle > DEBUG_RPC_KCM_FREE )
[601]	2270	printk("\n[%s] thread[%x,%x] on core %d exit / cycle %d\n",
	2271	__FUNCTION__, this->process->pid, this->trdid, this->core->lid , cycle );
[564]	2272	#endif
[1]	2273	}
	2274
[23]	2275	/////////////////////////////////////
	2276	void rpc_kcm_free_server( xptr_t xp )
[1]	2277	{
[564]	2278	#if DEBUG_RPC_KCM_FREE
	2279	thread_t * this = CURRENT_THREAD;
	2280	uint32_t cycle = (uint32_t)hal_get_cycles();
	2281	if( cycle > DEBUG_RPC_KCM_FREE )
[601]	2282	printk("\n[%s] thread[%x,%x] on core %d enter / cycle %d\n",
	2283	__FUNCTION__, this->process->pid, this->trdid, this->core->lid , cycle );
[564]	2284	#endif
	2285
[1]	2286	// get client cluster identifier and pointer on RPC descriptor
[436]	2287	cxy_t client_cxy = GET_CXY( xp );
[438]	2288	rpc_desc_t * desc = GET_PTR( xp );
[1]	2289
[23]	2290	// get input arguments "buf" and "kmem_type" from client RPC descriptor
[564]	2291	void * buf = (void *)(intptr_t)hal_remote_l64( XPTR( client_cxy , &desc->args[0] ) );
	2292	uint32_t kmem_type = (uint32_t)hal_remote_l64( XPTR( client_cxy , &desc->args[1] ) );
[1]	2293
	2294	// releases memory
	2295	kmem_req_t req;
[23]	2296	req.type = kmem_type;
	2297	req.ptr = buf;
	2298	kmem_free( &req );
[296]	2299
[564]	2300	#if DEBUG_RPC_KCM_FREE
	2301	cycle = (uint32_t)hal_get_cycles();
	2302	if( cycle > DEBUG_RPC_KCM_FREE )
[601]	2303	printk("\n[%s] thread[%x,%x] on core %d exit / cycle %d\n",
	2304	__FUNCTION__, this->process->pid, this->trdid, this->core->lid , cycle );
[564]	2305	#endif
[1]	2306	}
[635]	2307	*/
[1]	2308
	2309	/////////////////////////////////////////////////////////////////////////////////////////
[635]	2310	// [24] Marshaling functions attached to RPC_MAPPER_SYNC
[1]	2311	/////////////////////////////////////////////////////////////////////////////////////////
	2312
[623]	2313	///////////////////////////////////////////////////
	2314	void rpc_mapper_sync_client( cxy_t cxy,
	2315	struct mapper_s * mapper,
	2316	error_t * error )
	2317	{
	2318	#if DEBUG_RPC_MAPPER_SYNC
	2319	thread_t * this = CURRENT_THREAD;
	2320	uint32_t cycle = (uint32_t)hal_get_cycles();
	2321	if( cycle > DEBUG_RPC_MAPPER_SYNC )
	2322	printk("\n[%s] thread[%x,%x] on core %d enter / cycle %d\n",
	2323	__FUNCTION__, this->process->pid, this->trdid, this->core->lid , cycle );
	2324	#endif
	2325
	2326	uint32_t responses = 1;
	2327
	2328	// initialise RPC descriptor header
	2329	rpc_desc_t rpc;
	2330	rpc.index = RPC_MAPPER_SYNC;
	2331	rpc.blocking = true;
	2332	rpc.rsp = &responses;
	2333
	2334	// set input arguments in RPC descriptor
	2335	rpc.args[0] = (uint64_t)(intptr_t)mapper;
	2336
	2337	// register RPC request in remote RPC fifo
	2338	rpc_send( cxy , &rpc );
	2339
	2340	// get output values from RPC descriptor
	2341	*error = (error_t)rpc.args[1];
	2342
	2343	#if DEBUG_RPC_MAPPER_SYNC
	2344	cycle = (uint32_t)hal_get_cycles();
	2345	if( cycle > DEBUG_RPC_MAPPER_SYNC )
	2346	printk("\n[%s] thread[%x,%x] on core %d exit / cycle %d\n",
	2347	__FUNCTION__, this->process->pid, this->trdid, this->core->lid , cycle );
	2348	#endif
	2349	}
	2350
	2351	////////////////////////////////////////
	2352	void rpc_mapper_sync_server( xptr_t xp )
	2353	{
	2354	#if DEBUG_RPC_MAPPER_SYNC
	2355	thread_t * this = CURRENT_THREAD;
	2356	uint32_t cycle = (uint32_t)hal_get_cycles();
	2357	if( cycle > DEBUG_RPC_MAPPER_SYNC )
	2358	printk("\n[%s] thread[%x,%x] on core %d enter / cycle %d\n",
	2359	__FUNCTION__, this->process->pid, this->trdid, this->core->lid , cycle );
	2360	#endif
	2361
	2362	mapper_t * mapper;
	2363	error_t error;
	2364
	2365	// get client cluster identifier and pointer on RPC descriptor
	2366	cxy_t client_cxy = GET_CXY( xp );
	2367	rpc_desc_t * desc = GET_PTR( xp );
	2368
	2369	// get arguments from client RPC descriptor
	2370	mapper = (mapper_t *)(intptr_t)hal_remote_l64( XPTR( client_cxy , &desc->args[0] ) );
	2371
	2372	// call local kernel function
	2373	error = mapper_sync( mapper );
	2374
	2375	// set output argument to client RPC descriptor
	2376	hal_remote_s64( XPTR( client_cxy , &desc->args[1] ) , (uint64_t)error );
	2377
	2378	#if DEBUG_RPC_MAPPER_SYNC
	2379	cycle = (uint32_t)hal_get_cycles();
	2380	if( cycle > DEBUG_RPC_MAPPER_SYNC )
	2381	printk("\n[%s] thread[%x,%x] on core %d exit / cycle %d\n",
	2382	__FUNCTION__, this->process->pid, this->trdid, this->core->lid , cycle );
	2383	#endif
	2384	}
	2385
[313]	2386	/////////////////////////////////////////////////////////////////////////////////////////
[640]	2387	// [25] Marshaling functions attached to RPC_VMM_RESIZE_VSEG
[313]	2388	/////////////////////////////////////////////////////////////////////////////////////////
	2389
[601]	2390	//////////////////////////////////////////////////////////
[641]	2391	void rpc_vmm_resize_vseg_client( cxy_t cxy,
	2392	pid_t pid,
	2393	intptr_t base,
	2394	intptr_t new_base,
	2395	intptr_t new_size )
[313]	2396	{
[640]	2397	#if DEBUG_RPC_VMM_RESIZE_VSEG
[611]	2398	thread_t * this = CURRENT_THREAD;
[601]	2399	uint32_t cycle = (uint32_t)hal_get_cycles();
[640]	2400	if( cycle > DEBUG_RPC_VMM_RESIZE_VSEG )
[601]	2401	printk("\n[%s] thread[%x,%x] on core %d enter / cycle %d\n",
	2402	__FUNCTION__, this->process->pid, this->trdid, this->core->lid , cycle );
	2403	#endif
	2404
[619]	2405	uint32_t responses = 1;
[313]	2406
	2407	// initialise RPC descriptor header
	2408	rpc_desc_t rpc;
[640]	2409	rpc.index = RPC_VMM_RESIZE_VSEG;
[416]	2410	rpc.blocking = true;
[619]	2411	rpc.rsp = &responses;
[313]	2412
	2413	// set input arguments in RPC descriptor
[641]	2414	rpc.args[0] = (uint64_t)pid;
	2415	rpc.args[1] = (uint64_t)base;
[640]	2416	rpc.args[2] = (uint64_t)new_base;
	2417	rpc.args[3] = (uint64_t)new_size;
[313]	2418
[436]	2419	// register RPC request in remote RPC fifo
[416]	2420	rpc_send( cxy , &rpc );
[313]	2421
[640]	2422	#if DEBUG_RPC_VMM_RESIZE_VSEG
[601]	2423	cycle = (uint32_t)hal_get_cycles();
[640]	2424	if( cycle > DEBUG_RPC_VMM_RESIZE_VSEG )
[601]	2425	printk("\n[%s] thread[%x,%x] on core %d exit / cycle %d\n",
	2426	__FUNCTION__, this->process->pid, this->trdid, this->core->lid , cycle );
	2427	#endif
[313]	2428	}
	2429
[640]	2430	////////////////////////////////////////////
	2431	void rpc_vmm_resize_vseg_server( xptr_t xp )
[313]	2432	{
[640]	2433	#if DEBUG_RPC_VMM_RESIZE_VSEG
[611]	2434	thread_t * this = CURRENT_THREAD;
[601]	2435	uint32_t cycle = (uint32_t)hal_get_cycles();
[640]	2436	if( cycle > DEBUG_RPC_VMM_RESIZE_VSEG )
[601]	2437	printk("\n[%s] thread[%x,%x] on core %d enter / cycle %d\n",
	2438	__FUNCTION__, this->process->pid, this->trdid, this->core->lid , cycle );
	2439	#endif
	2440
[641]	2441	pid_t pid;
[640]	2442	process_t * process;
[641]	2443	intptr_t base;
[640]	2444	vseg_t * vseg;
	2445	intptr_t new_base;
	2446	intptr_t new_size;
[601]	2447
[313]	2448	// get client cluster identifier and pointer on RPC descriptor
[601]	2449	cxy_t client_cxy = GET_CXY( xp );
	2450	rpc_desc_t * desc = GET_PTR( xp );
[313]	2451
[601]	2452	// get arguments from client RPC descriptor
[641]	2453	pid = (pid_t) hal_remote_l64( XPTR( client_cxy , &desc->args[0] ) );
	2454	base = (intptr_t)hal_remote_l64( XPTR( client_cxy , &desc->args[1] ) );
	2455	new_base = (intptr_t)hal_remote_l64( XPTR( client_cxy , &desc->args[2] ) );
	2456	new_size = (intptr_t)hal_remote_l64( XPTR( client_cxy , &desc->args[3] ) );
[313]	2457
[641]	2458	// get local pointer on target process
	2459	process = cluster_get_local_process_from_pid( pid );
	2460
	2461	// get target vseg from vaddr
	2462	vmm_get_vseg( process , base , &vseg );
	2463
[640]	2464	// call relevant kernel function
	2465	vmm_resize_vseg( process,
	2466	vseg,
	2467	new_base,
	2468	new_size );
[313]	2469
[640]	2470	#if DEBUG_RPC_VMM_RESIZE_VSEG
[601]	2471	cycle = (uint32_t)hal_get_cycles();
[640]	2472	if( cycle > DEBUG_RPC_VMM_RESIZE_VSEG )
[601]	2473	printk("\n[%s] thread[%x,%x] on core %d exit / cycle %d\n",
	2474	__FUNCTION__, this->process->pid, this->trdid, this->core->lid , cycle );
	2475	#endif
[313]	2476	}
	2477
[640]	2478
[407]	2479	/////////////////////////////////////////////////////////////////////////////////////////
[640]	2480	// [26] Marshaling functions attached to RPC_VMM_REMOVE_VSEG
[407]	2481	/////////////////////////////////////////////////////////////////////////////////////////
[313]	2482
[640]	2483	/////////////////////////////////////////////////
	2484	void rpc_vmm_remove_vseg_client( cxy_t cxy,
[641]	2485	pid_t pid,
	2486	intptr_t base )
[611]	2487	{
[640]	2488	#if DEBUG_RPC_VMM_REMOVE_VSEG
[611]	2489	thread_t * this = CURRENT_THREAD;
	2490	uint32_t cycle = (uint32_t)hal_get_cycles();
[640]	2491	if( cycle > DEBUG_RPC_VMM_REMOVE_VSEG )
[611]	2492	printk("\n[%s] thread[%x,%x] on core %d enter / cycle %d\n",
	2493	__FUNCTION__, this->process->pid, this->trdid, this->core->lid, cycle );
	2494	#endif
	2495
[619]	2496	uint32_t responses = 1;
	2497	rpc_desc_t rpc;
[611]	2498
[619]	2499	// initialise RPC descriptor header
[640]	2500	rpc.index = RPC_VMM_REMOVE_VSEG;
[619]	2501	rpc.blocking = true;
	2502	rpc.rsp = &responses;
	2503
	2504	// set input arguments in RPC descriptor
[641]	2505	rpc.args[0] = (uint64_t)pid;
	2506	rpc.args[1] = (uint64_t)base;
[619]	2507
[611]	2508	// register RPC request in remote RPC fifo
[619]	2509	rpc_send( cxy , &rpc );
[611]	2510
[640]	2511	#if DEBUG_RPC_VMM_REMOVE_VSEG
[611]	2512	cycle = (uint32_t)hal_get_cycles();
[640]	2513	if( cycle > DEBUG_RPC_VMM_REMOVE_VSEG )
[611]	2514	printk("\n[%s] thread[%x,%x] on core %d exit / cycle %d\n",
	2515	__FUNCTION__, this->process->pid, this->trdid, this->core->lid, cycle );
	2516	#endif
	2517	}
	2518
	2519	////////////////////////////////////////////
[640]	2520	void rpc_vmm_remove_vseg_server( xptr_t xp )
[611]	2521	{
[640]	2522	#if DEBUG_RPC_VMM_REMOVE_VSEG
[611]	2523	uint32_t cycle = (uint32_t)hal_get_cycles();
	2524	thread_t * this = CURRENT_THREAD;
[640]	2525	if( DEBUG_RPC_VMM_REMOVE_VSEG < cycle )
[611]	2526	printk("\n[%s] thread[%x,%x] on core %d enter / cycle %d\n",
	2527	__FUNCTION__, this->process->pid, this->trdid, this->core->lid, cycle );
	2528	#endif
	2529
[641]	2530	pid_t pid;
	2531	intptr_t vaddr;
[640]	2532	process_t * process;
	2533	vseg_t * vseg;
	2534
[611]	2535	// get client cluster identifier and pointer on RPC descriptor
	2536	cxy_t client_cxy = GET_CXY( xp );
	2537	rpc_desc_t * desc = GET_PTR( xp );
	2538
	2539	// get arguments from RPC descriptor
[641]	2540	pid = (pid_t) hal_remote_l64( XPTR( client_cxy , &desc->args[0] ) );
	2541	vaddr = (intptr_t)hal_remote_l64( XPTR( client_cxy , &desc->args[1] ) );
[611]	2542
[641]	2543	// get local pointer on target process
	2544	process = cluster_get_local_process_from_pid( pid );
	2545
	2546	// get target vseg from vaddr
	2547	vmm_get_vseg( process , vaddr , &vseg );
	2548
[611]	2549	// call relevant kernel function
[640]	2550	vmm_remove_vseg( process,
	2551	vseg );
[611]	2552
[640]	2553	#if DEBUG_RPC_VMM_REMOVE_VSEG
[611]	2554	cycle = (uint32_t)hal_get_cycles();
[640]	2555	if( DEBUG_RPC_VMM_REMOVE_VSEG < cycle )
[611]	2556	printk("\n[%s] thread[%x,%x] on core %d exit / cycle %d\n",
	2557	__FUNCTION__, this->process->pid, this->trdid, this->core->lid, cycle );
	2558	#endif
	2559	}
	2560
[601]	2561	/////////////////////////////////////////////////////////////////////////////////////////
[619]	2562	// [27] Marshaling functions attached to RPC_VMM_CREATE_VSEG
[601]	2563	/////////////////////////////////////////////////////////////////////////////////////////
	2564
[407]	2565	////////////////////////////////////////////////////////
	2566	void rpc_vmm_create_vseg_client( cxy_t cxy,
	2567	struct process_s * process,
	2568	vseg_type_t type,
	2569	intptr_t base,
	2570	uint32_t size,
	2571	uint32_t file_offset,
	2572	uint32_t file_size,
	2573	xptr_t mapper_xp,
	2574	cxy_t vseg_cxy,
	2575	struct vseg_s ** vseg )
	2576	{
[611]	2577	#if DEBUG_RPC_VMM_CREATE_VSEG
	2578	thread_t * this = CURRENT_THREAD;
	2579	uint32_t cycle = (uint32_t)hal_get_cycles();
	2580	if( cycle > DEBUG_RPC_VMM_CREATE_VSEG )
	2581	printk("\n[%s] thread[%x,%x] on core %d enter / cycle %d\n",
	2582	__FUNCTION__, this->process->pid, this->trdid, this->core->lid , cycle );
	2583	#endif
[407]	2584
[619]	2585	uint32_t responses = 1;
[611]	2586
[407]	2587	// initialise RPC descriptor header
	2588	rpc_desc_t rpc;
	2589	rpc.index = RPC_VMM_CREATE_VSEG;
[416]	2590	rpc.blocking = true;
[619]	2591	rpc.rsp = &responses;
[407]	2592
	2593	// set input arguments in RPC descriptor
	2594	rpc.args[0] = (uint64_t)(intptr_t)process;
	2595	rpc.args[1] = (uint64_t)type;
	2596	rpc.args[2] = (uint64_t)base;
	2597	rpc.args[3] = (uint64_t)size;
	2598	rpc.args[4] = (uint64_t)file_offset;
	2599	rpc.args[5] = (uint64_t)file_size;
	2600	rpc.args[6] = (uint64_t)mapper_xp;
	2601	rpc.args[7] = (uint64_t)vseg_cxy;
	2602
[436]	2603	// register RPC request in remote RPC fifo
[416]	2604	rpc_send( cxy , &rpc );
[407]	2605
	2606	// get output values from RPC descriptor
	2607	vseg = (vseg_t )(intptr_t)rpc.args[8];
	2608
[611]	2609	#if DEBUG_RPC_VMM_CREATE_VSEG
	2610	cycle = (uint32_t)hal_get_cycles();
	2611	if( cycle > DEBUG_RPC_VMM_CREATE_VSEG )
	2612	printk("\n[%s] thread[%x,%x] on core %d exit / cycle %d\n",
	2613	__FUNCTION__, this->process->pid, this->trdid, this->core->lid , cycle );
	2614	#endif
[407]	2615	}
	2616
	2617	////////////////////////////////////////////
	2618	void rpc_vmm_create_vseg_server( xptr_t xp )
	2619	{
[611]	2620	#if DEBUG_RPC_VMM_CREATE_VSEG
	2621	thread_t * this = CURRENT_THREAD;
	2622	uint32_t cycle = (uint32_t)hal_get_cycles();
	2623	if( cycle > DEBUG_RPC_VMM_CREATE_VSEG )
	2624	printk("\n[%s] thread[%x,%x] on core %d enter / cycle %d\n",
	2625	__FUNCTION__, this->process->pid, this->trdid, this->core->lid , cycle );
	2626	#endif
	2627
[407]	2628	// get client cluster identifier and pointer on RPC descriptor
[436]	2629	cxy_t cxy = GET_CXY( xp );
	2630	rpc_desc_t * desc = GET_PTR( xp );
[407]	2631
	2632	// get input arguments from client RPC descriptor
[564]	2633	process_t * process = (process_t *)(intptr_t)hal_remote_l64( XPTR(cxy , &desc->args[0]));
	2634	vseg_type_t type = (vseg_type_t)(uint32_t)hal_remote_l64( XPTR(cxy , &desc->args[1]));
	2635	intptr_t base = (intptr_t) hal_remote_l64( XPTR(cxy , &desc->args[2]));
	2636	uint32_t size = (uint32_t) hal_remote_l64( XPTR(cxy , &desc->args[3]));
	2637	uint32_t file_offset = (uint32_t) hal_remote_l64( XPTR(cxy , &desc->args[4]));
	2638	uint32_t file_size = (uint32_t) hal_remote_l64( XPTR(cxy , &desc->args[5]));
	2639	xptr_t mapper_xp = (xptr_t) hal_remote_l64( XPTR(cxy , &desc->args[6]));
	2640	cxy_t vseg_cxy = (cxy_t)(uint32_t) hal_remote_l64( XPTR(cxy , &desc->args[7]));
[407]	2641
	2642	// call local kernel function
	2643	vseg_t * vseg = vmm_create_vseg( process,
	2644	type,
	2645	base,
	2646	size,
	2647	file_offset,
	2648	file_size,
	2649	mapper_xp,
	2650	vseg_cxy );
	2651
	2652	// set output arguments into client RPC descriptor
[564]	2653	hal_remote_s64( XPTR( cxy , &desc->args[8] ) , (uint64_t)(intptr_t)vseg );
[407]	2654
[611]	2655	#if DEBUG_RPC_VMM_CREATE_VSEG
	2656	cycle = (uint32_t)hal_get_cycles();
	2657	if( cycle > DEBUG_RPC_VMM_CREATE_VSEG )
	2658	printk("\n[%s] thread[%x,%x] on core %d exit / cycle %d\n",
	2659	__FUNCTION__, this->process->pid, this->trdid, this->core->lid , cycle );
	2660	#endif
[407]	2661	}
	2662
	2663	/////////////////////////////////////////////////////////////////////////////////////////
[619]	2664	// [28] Marshaling functions attached to RPC_VMM_SET_COW
[408]	2665	/////////////////////////////////////////////////////////////////////////////////////////
	2666
	2667	/////////////////////////////////////////////
	2668	void rpc_vmm_set_cow_client( cxy_t cxy,
	2669	process_t * process )
	2670	{
[619]	2671	#if DEBUG_RPC_VMM_SET_COW
	2672	thread_t * this = CURRENT_THREAD;
	2673	uint32_t cycle = (uint32_t)hal_get_cycles();
	2674	if( cycle > DEBUG_RPC_VMM_SET_COW )
	2675	printk("\n[%s] thread[%x,%x] on core %d enter / cycle %d\n",
	2676	__FUNCTION__, this->process->pid, this->trdid, this->core->lid , cycle );
	2677	#endif
[408]	2678
[619]	2679	uint32_t responses = 1;
	2680
[408]	2681	// initialise RPC descriptor header
	2682	rpc_desc_t rpc;
	2683	rpc.index = RPC_VMM_SET_COW;
[416]	2684	rpc.blocking = true;
[619]	2685	rpc.rsp = &responses;
[408]	2686
	2687	// set input arguments in RPC descriptor
	2688	rpc.args[0] = (uint64_t)(intptr_t)process;
	2689
[436]	2690	// register RPC request in remote RPC fifo
[416]	2691	rpc_send( cxy , &rpc );
[408]	2692
[619]	2693	#if DEBUG_RPC_VMM_SET_COW
	2694	cycle = (uint32_t)hal_get_cycles();
	2695	if( cycle > DEBUG_RPC_VMM_SET_COW )
	2696	printk("\n[%s] thread[%x,%x] on core %d exit / cycle %d\n",
	2697	__FUNCTION__, this->process->pid, this->trdid, this->core->lid , cycle );
	2698	#endif
[408]	2699	}
	2700
	2701	////////////////////////////////////////
	2702	void rpc_vmm_set_cow_server( xptr_t xp )
	2703	{
[619]	2704	#if DEBUG_RPC_VMM_SET_COW
	2705	thread_t * this = CURRENT_THREAD;
	2706	uint32_t cycle = (uint32_t)hal_get_cycles();
	2707	if( cycle > DEBUG_RPC_VMM_SET_COW )
	2708	printk("\n[%s] thread[%x,%x] on core %d enter / cycle %d\n",
	2709	__FUNCTION__, this->process->pid, this->trdid, this->core->lid , cycle );
	2710	#endif
	2711
[408]	2712	process_t * process;
	2713
	2714	// get client cluster identifier and pointer on RPC descriptor
[436]	2715	cxy_t cxy = GET_CXY( xp );
	2716	rpc_desc_t * desc = GET_PTR( xp );
[408]	2717
	2718	// get input arguments from client RPC descriptor
[564]	2719	process = (process_t *)(intptr_t)hal_remote_l64( XPTR(cxy , &desc->args[0]));
[408]	2720
	2721	// call local kernel function
	2722	vmm_set_cow( process );
	2723
[619]	2724	#if DEBUG_RPC_VMM_SET_COW
	2725	cycle = (uint32_t)hal_get_cycles();
	2726	if( cycle > DEBUG_RPC_VMM_SET_COW )
	2727	printk("\n[%s] thread[%x,%x] on core %d exit / cycle %d\n",
	2728	__FUNCTION__, this->process->pid, this->trdid, this->core->lid , cycle );
	2729	#endif
[408]	2730	}
	2731
[428]	2732	/////////////////////////////////////////////////////////////////////////////////////////
[635]	2733	// [29] RPC_VMM_DISPLAY deprecated [AG] June 2019
[428]	2734	/////////////////////////////////////////////////////////////////////////////////////////
[1]	2735
[635]	2736	/*
[428]	2737	/////////////////////////////////////////////
[624]	2738	void rpc_hal_vmm_display_client( cxy_t cxy,
[428]	2739	process_t * process,
	2740	bool_t detailed )
	2741	{
[619]	2742	#if DEBUG_RPC_VMM_DISPLAY
	2743	thread_t * this = CURRENT_THREAD;
	2744	uint32_t cycle = (uint32_t)hal_get_cycles();
	2745	if( cycle > DEBUG_RPC_VMM_DISPLAY )
	2746	printk("\n[%s] thread[%x,%x] on core %d enter / cycle %d\n",
	2747	__FUNCTION__, this->process->pid, this->trdid, this->core->lid , cycle );
	2748	#endif
[428]	2749
[619]	2750	uint32_t responses = 1;
	2751
[428]	2752	// initialise RPC descriptor header
	2753	rpc_desc_t rpc;
	2754	rpc.index = RPC_VMM_DISPLAY;
	2755	rpc.blocking = true;
[619]	2756	rpc.rsp = &responses;
[428]	2757
	2758	// set input arguments in RPC descriptor
	2759	rpc.args[0] = (uint64_t)(intptr_t)process;
	2760	rpc.args[1] = (uint64_t)detailed;
	2761
[436]	2762	// register RPC request in remote RPC fifo
[428]	2763	rpc_send( cxy , &rpc );
	2764
[619]	2765	#if DEBUG_RPC_VMM_DISPLAY
	2766	cycle = (uint32_t)hal_get_cycles();
	2767	if( cycle > DEBUG_RPC_VMM_DISPLAY )
	2768	printk("\n[%s] thread[%x,%x] on core %d exit / cycle %d\n",
	2769	__FUNCTION__, this->process->pid, this->trdid, this->core->lid , cycle );
	2770	#endif
[428]	2771	}
	2772
	2773	////////////////////////////////////////
[624]	2774	void rpc_hal_vmm_display_server( xptr_t xp )
[428]	2775	{
[619]	2776	#if DEBUG_RPC_VMM_DISPLAY
	2777	thread_t * this = CURRENT_THREAD;
	2778	uint32_t cycle = (uint32_t)hal_get_cycles();
	2779	if( cycle > DEBUG_RPC_VMM_DISPLAY )
	2780	printk("\n[%s] thread[%x,%x] on core %d enter / cycle %d\n",
	2781	__FUNCTION__, this->process->pid, this->trdid, this->core->lid , cycle );
	2782	#endif
	2783
[428]	2784	process_t * process;
	2785	bool_t detailed;
	2786
	2787	// get client cluster identifier and pointer on RPC descriptor
[436]	2788	cxy_t cxy = GET_CXY( xp );
	2789	rpc_desc_t * desc = GET_PTR( xp );
[428]	2790
	2791	// get input arguments from client RPC descriptor
[564]	2792	process = (process_t *)(intptr_t)hal_remote_l64( XPTR(cxy , &desc->args[0]));
	2793	detailed = (bool_t) hal_remote_l64( XPTR(cxy , &desc->args[1]));
[428]	2794
	2795	// call local kernel function
[624]	2796	hal_vmm_display( process , detailed );
[428]	2797
[619]	2798	#if DEBUG_RPC_VMM_DISPLAY
	2799	cycle = (uint32_t)hal_get_cycles();
	2800	if( cycle > DEBUG_RPC_VMM_DISPLAY )
	2801	printk("\n[%s] thread[%x,%x] on core %d exit / cycle %d\n",
	2802	__FUNCTION__, this->process->pid, this->trdid, this->core->lid , cycle );
	2803	#endif
[428]	2804	}
	2805
[635]	2806	*/

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