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source: trunk/kernel/kern/rpc.c @ 574

Last change on this file since 574 was 564, checked in by alain, 6 years ago
Complete restructuration of kernel locks.
File size: 85.4 KB

Rev	Line
[1]	1	/*
[437]	2	* rpc.c - RPC operations implementation.
[1]	3	*
[437]	4	* Author Alain Greiner (2016,2017,2018)
[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>
[1]	26	#include <hal_atomic.h>
	27	#include <hal_remote.h>
	28	#include <hal_irqmask.h>
	29	#include <hal_special.h>
	30	#include <printk.h>
	31	#include <remote_sem.h>
	32	#include <core.h>
	33	#include <mapper.h>
[5]	34	#include <chdev.h>
[1]	35	#include <bits.h>
	36	#include <thread.h>
	37	#include <cluster.h>
	38	#include <process.h>
	39	#include <vfs.h>
	40	#include <fatfs.h>
	41	#include <rpc.h>
	42
[433]	43
[1]	44	/////////////////////////////////////////////////////////////////////////////////////////
[564]	45	// Array of function pointers and array of printable strings.
	46	// These arrays must be kept consistent with enum in rpc.h file.
[1]	47	/////////////////////////////////////////////////////////////////////////////////////////
	48
	49	rpc_server_t * rpc_server[RPC_MAX_INDEX] =
	50	{
	51	&rpc_pmem_get_pages_server, // 0
[409]	52	&rpc_pmem_release_pages_server, // 1
[433]	53	&rpc_undefined, // 2 unused slot
[409]	54	&rpc_process_make_fork_server, // 3
[433]	55	&rpc_undefined, // 4 unused slot
[435]	56	&rpc_undefined, // 5 unused slot
[409]	57	&rpc_thread_user_create_server, // 6
	58	&rpc_thread_kernel_create_server, // 7
[436]	59	&rpc_undefined, // 8 unused slot
[409]	60	&rpc_process_sigaction_server, // 9
[1]	61
	62	&rpc_vfs_inode_create_server, // 10
	63	&rpc_vfs_inode_destroy_server, // 11
	64	&rpc_vfs_dentry_create_server, // 12
	65	&rpc_vfs_dentry_destroy_server, // 13
[23]	66	&rpc_vfs_file_create_server, // 14
	67	&rpc_vfs_file_destroy_server, // 15
[238]	68	&rpc_vfs_inode_load_server, // 16
	69	&rpc_vfs_mapper_load_all_server, // 17
	70	&rpc_fatfs_get_cluster_server, // 18
[433]	71	&rpc_undefined, // 19 unused slot
[1]	72
[389]	73	&rpc_vmm_get_vseg_server, // 20
[1]	74	&rpc_vmm_get_pte_server, // 21
[23]	75	&rpc_kcm_alloc_server, // 22
	76	&rpc_kcm_free_server, // 23
[265]	77	&rpc_mapper_move_buffer_server, // 24
[313]	78	&rpc_mapper_get_page_server, // 25
[407]	79	&rpc_vmm_create_vseg_server, // 26
[450]	80	&rpc_undefined, // 27 unused slot
[408]	81	&rpc_vmm_set_cow_server, // 28
[428]	82	&rpc_vmm_display_server, // 29
[1]	83	};
	84
[564]	85	char * rpc_str[RPC_MAX_INDEX] =
	86	{
	87	"PMEM_GET_PAGES", // 0
	88	"PMEM_RELEASE_PAGES", // 1
	89	"undefined", // 2
	90	"PROCESS_MAKE_FORK", // 3
	91	"undefined", // 4
	92	"undefined", // 5
	93	"THREAD_USER_CREATE", // 6
	94	"THREAD_KERNEL_CREATE", // 7
	95	"undefined", // 8
	96	"PROCESS_SIGACTION", // 9
	97
	98	"VFS_INODE_CREATE", // 10
	99	"VFS_INODE_DESTROY", // 11
	100	"VFS_DENTRY_CREATE", // 12
	101	"VFS_DENTRY_DESTROY", // 13
	102	"VFS_FILE_CREATE", // 14
	103	"VFS_FILE_DESTROY", // 15
	104	"VFS_INODE_LOAD", // 16
	105	"VFS_MAPPER_LOAD_ALL", // 17
	106	"FATFS_GET_CLUSTER", // 18
	107	"undefined", // 19
	108
	109	"GET_VSEG", // 20
	110	"GET_PTE", // 21
	111	"KCM_ALLOC", // 22
	112	"KCM_FREE", // 23
	113	"MAPPER_MOVE_BUFFER", // 24
	114	"MAPPER_GET_PAGE", // 25
	115	"VMM_CREATE_VSEG", // 26
	116	"undefined", // 27
	117	"VMM_SET_COW", // 28
	118	"VMM_DISPLAY", // 29
	119	};
	120
	121	//////////////////////////////////////////////////////////////////////////////////
[503]	122	void __attribute__((noinline)) rpc_undefined( xptr_t xp __attribute__ ((unused)) )
[1]	123	{
[492]	124	assert( false , "called in cluster %x", local_cxy );
[1]	125	}
	126
[409]	127	/***************************************************************************************/
	128	/********** Generic functions supporting RPCs : client side ************************/
	129	/***************************************************************************************/
	130
	131	///////////////////////////////////////
	132	void rpc_send( cxy_t server_cxy,
[416]	133	rpc_desc_t * rpc )
[409]	134	{
[438]	135	lid_t server_core_lid;
	136	lid_t client_core_lid;
	137	volatile error_t full;
	138	thread_t * this;
[409]	139
[457]	140	full = 0;
	141	this = CURRENT_THREAD;
	142	client_core_lid = this->core->lid;
	143
[564]	144	// check calling thread can yield when it is not the idle thread
	145	assert( (this->busylocks == 0) \|\| (this->type == THREAD_IDLE),
	146	"cannot yield : busylocks = %d\n", this->busylocks );
	147
[438]	148	#if DEBUG_RPC_CLIENT_GENERIC
[436]	149	uint32_t cycle = (uint32_t)hal_get_cycles();
[438]	150	if( DEBUG_RPC_CLIENT_GENERIC < cycle )
[564]	151	printk("\n[DBG] %s : thread %x in process %x enter for rpc %s / server_cxy %x / cycle %d\n",
	152	__FUNCTION__, this->trdid, this->process->pid, rpc_str[rpc->index], server_cxy, cycle );
[436]	153	#endif
[409]	154
[440]	155	// select a server_core : use client core index if possible / core 0 otherwise
[564]	156	if( client_core_lid < hal_remote_l32( XPTR( server_cxy , &LOCAL_CLUSTER->cores_nr ) ) )
[438]	157	{
	158	server_core_lid = client_core_lid;
	159	}
	160	else
	161	{
	162	server_core_lid = 0;
	163	}
	164
	165	// register client_thread pointer and client_core lid in RPC descriptor
[436]	166	rpc->thread = this;
[438]	167	rpc->lid = client_core_lid;
[409]	168
[438]	169	// build extended pointer on the RPC descriptor
[409]	170	xptr_t desc_xp = XPTR( local_cxy , rpc );
	171
[436]	172	// get local pointer on rpc_fifo in remote cluster,
[564]	173	remote_fifo_t * rpc_fifo = &LOCAL_CLUSTER->rpc_fifo[server_core_lid];
	174	xptr_t rpc_fifo_xp = XPTR( server_cxy , rpc_fifo );
[409]	175
[564]	176	// post RPC in remote fifo / deschedule without blocking if fifo full
[409]	177	do
	178	{
[564]	179	full = remote_fifo_put_item( rpc_fifo_xp , (uint64_t )desc_xp );
	180
[436]	181	if ( full )
[409]	182	{
	183	printk("\n[WARNING] %s : cluster %x cannot post RPC to cluster %x\n",
	184	__FUNCTION__ , local_cxy , server_cxy );
	185
[436]	186	// deschedule without blocking
	187	sched_yield("RPC fifo full");
[409]	188	}
	189	}
[436]	190	while( full );
[409]	191
	192	hal_fence();
[457]	193
	194	#if DEBUG_RPC_CLIENT_GENERIC
	195	cycle = (uint32_t)hal_get_cycles();
[564]	196	uint32_t items = remote_fifo_items( rpc_fifo_xp );
[457]	197	if( DEBUG_RPC_CLIENT_GENERIC < cycle )
[564]	198	printk("\n[DBG] %s : thread %x in process %x / rpc %s / items %d / cycle %d\n",
	199	__FUNCTION__, this->trdid, this->process->pid, rpc_str[rpc->index], items, cycle );
[457]	200	#endif
[409]	201
[457]	202	// send IPI to the selected server core
	203	dev_pic_send_ipi( server_cxy , server_core_lid );
[409]	204
[564]	205	// wait RPC completion before returning if blocking RPC :
	206	// - descheduling without blocking if thread idle (in lernel init)
	207	// - block and deschedule policy for any other thread
[416]	208	if ( rpc->blocking )
[409]	209	{
[564]	210	if( this->type == THREAD_IDLE ) // deschedule without blocking policy
[409]	211	{
[564]	212
[438]	213	#if DEBUG_RPC_CLIENT_GENERIC
[436]	214	cycle = (uint32_t)hal_get_cycles();
[438]	215	if( DEBUG_RPC_CLIENT_GENERIC < cycle )
[564]	216	printk("\n[DBG] %s : thread %x in process %x enter waiting loop for rpc %s / cycle %d\n",
	217	__FUNCTION__, this->trdid, this->process->pid, rpc_str[rpc->index], cycle );
[436]	218	#endif
[409]	219
[564]	220	while( rpc->responses ) sched_yield( "busy waiting on RPC");
[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 )
[564]	225	printk("\n[DBG] %s : thread %x in process %x received response for rpc %s / cycle %d\n",
	226	__FUNCTION__, this->trdid, this->process->pid, 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 )
[564]	236	printk("\n[DBG] %s : thread %x in process %x blocks & deschedules for rpc %s / cycle %d\n",
	237	__FUNCTION__, this->trdid, this->process->pid, 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 )
[564]	249	printk("\n[DBG] %s : thread %x in process %x resumes for rpc %s / cycle %d\n",
	250	__FUNCTION__, this->trdid, this->process->pid, rpc_str[rpc->index], cycle );
[436]	251	#endif
[409]	252	}
	253
[564]	254	// response must be available for a blocking RPC
	255	assert( (rpc->responses == 0) , "illegal response for RPC %s\n", rpc_str[rpc->index] );
	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 )
[564]	264	printk("\n[DBG] %s : thread %x in process %x returns for non blocking rpc %s / cycle %d\n",
	265	__FUNCTION__, this->trdid, this->process->pid, 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	////////////////////////////
[485]	277	void rpc_thread_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
	285	thread_t * server_ptr; // local pointer on server thread
	286	xptr_t server_xp; // extended pointer on server thread
	287	lid_t client_core_lid; // local index of client core
	288	lid_t server_core_lid; // local index of server core
	289	bool_t blocking; // blocking RPC when true
	290	remote_fifo_t * rpc_fifo; // local pointer on RPC fifo
[409]	291
	292	// makes RPC thread not preemptable
	293	hal_disable_irq( NULL );
	294
[440]	295	server_ptr = CURRENT_THREAD;
	296	server_xp = XPTR( local_cxy , server_ptr );
	297	server_core_lid = server_ptr->core->lid;
	298	rpc_fifo = &LOCAL_CLUSTER->rpc_fifo[server_core_lid];
[409]	299
[564]	300	// "infinite" RPC thread loop
	301	while(1)
[409]	302	{
	303	// try to take RPC_FIFO ownership
[564]	304	if( hal_atomic_test_set( &rpc_fifo->owner , server_ptr->trdid ) )
[409]	305	{
[436]	306
[438]	307	#if DEBUG_RPC_SERVER_GENERIC
[436]	308	uint32_t cycle = (uint32_t)hal_get_cycles();
[438]	309	if( DEBUG_RPC_SERVER_GENERIC < cycle )
[564]	310	printk("\n[DBG] %s : RPC thread %x on core[%d] takes RPC_FIFO ownership / cycle %d\n",
	311	__FUNCTION__, server_ptr->trdid, server_core_lid, cycle );
[436]	312	#endif
[564]	313	// try to consume one RPC request
	314	empty = remote_fifo_get_item( rpc_fifo , (uint64_t *)&desc_xp );
	315
	316	// release RPC_FIFO ownership
	317	rpc_fifo->owner = 0;
	318
	319	// handle RPC request if success
	320	if ( empty == 0 )
[409]	321	{
[564]	322	// get client cluster and pointer on RPC descriptor
	323	desc_cxy = GET_CXY( desc_xp );
	324	desc_ptr = GET_PTR( desc_xp );
[409]	325
[564]	326	index = hal_remote_l32( XPTR( desc_cxy , &desc_ptr->index ) );
	327	blocking = hal_remote_l32( XPTR( desc_cxy , &desc_ptr->blocking ) );
[409]	328
[438]	329	#if DEBUG_RPC_SERVER_GENERIC
[436]	330	cycle = (uint32_t)hal_get_cycles();
[564]	331	uint32_t items = remote_fifo_items( XPTR( local_cxy , rpc_fifo ) );
[438]	332	if( DEBUG_RPC_SERVER_GENERIC < cycle )
[564]	333	printk("\n[DBG] %s : RPC thread %x got rpc %s / client_cxy %x / items %d / cycle %d\n",
	334	__FUNCTION__, server_ptr->trdid, rpc_str[index], desc_cxy, items, cycle );
[436]	335	#endif
[564]	336	// call the relevant server function
	337	rpc_server[index]( desc_xp );
[409]	338
[438]	339	#if DEBUG_RPC_SERVER_GENERIC
[436]	340	cycle = (uint32_t)hal_get_cycles();
[438]	341	if( DEBUG_RPC_SERVER_GENERIC < cycle )
[564]	342	printk("\n[DBG] %s : RPC thread %x completes rpc %s / client_cxy %x / cycle %d\n",
	343	__FUNCTION__, server_ptr->trdid, rpc_str[index], desc_cxy, cycle );
[436]	344	#endif
[564]	345	// decrement response counter in RPC descriptor if blocking RPC
	346	if( blocking )
	347	{
	348	// decrement responses counter in RPC descriptor
	349	hal_remote_atomic_add( XPTR( desc_cxy, &desc_ptr->responses ), -1 );
[409]	350
[564]	351	// get client thread pointer and client core lid from RPC descriptor
	352	client_ptr = hal_remote_lpt( XPTR( desc_cxy , &desc_ptr->thread ) );
	353	client_core_lid = hal_remote_l32 ( XPTR( desc_cxy , &desc_ptr->lid ) );
[438]	354
[564]	355	// unblock client thread
	356	thread_unblock( XPTR( desc_cxy , client_ptr ) , THREAD_BLOCKED_RPC );
[409]	357
[564]	358	hal_fence();
[409]	359
[438]	360	#if DEBUG_RPC_SERVER_GENERIC
	361	cycle = (uint32_t)hal_get_cycles();
	362	if( DEBUG_RPC_SERVER_GENERIC < cycle )
[564]	363	printk("\n[DBG] %s : RPC thread %x unblocked client thread %x / cycle %d\n",
	364	__FUNCTION__, server_ptr->trdid, client_ptr->trdid, cycle );
[438]	365	#endif
[564]	366	// send IPI to client core
	367	dev_pic_send_ipi( desc_cxy , client_core_lid );
[409]	368
[564]	369	} // end if blocking RPC
	370	} // end RPC handling if fifo non empty
	371	} // end if RPC_fIFO ownership successfully taken and released
[409]	372
[564]	373	// sucide if too many RPC threads
[440]	374	if( LOCAL_CLUSTER->rpc_threads[server_core_lid] >= CONFIG_RPC_THREADS_MAX )
[409]	375	{
	376
[438]	377	#if DEBUG_RPC_SERVER_GENERIC
[436]	378	uint32_t cycle = (uint32_t)hal_get_cycles();
[438]	379	if( DEBUG_RPC_SERVER_GENERIC < cycle )
[564]	380	printk("\n[DBG] %s : RPC thread %x suicides / cycle %d\n",
	381	__FUNCTION__, server_ptr->trdid, cycle );
[436]	382	#endif
[409]	383	// update RPC threads counter
[564]	384	hal_atomic_add( &LOCAL_CLUSTER->rpc_threads[server_core_lid] , -1 );
[409]	385
[440]	386	// RPC thread blocks on GLOBAL
	387	thread_block( server_xp , THREAD_BLOCKED_GLOBAL );
	388
	389	// RPC thread set the REQ_DELETE flag to suicide
	390	hal_remote_atomic_or( server_xp , THREAD_FLAG_REQ_DELETE );
[409]	391	}
[564]	392	// block and deschedule otherwise
[440]	393	else
	394	{
[409]	395
[438]	396	#if DEBUG_RPC_SERVER_GENERIC
[436]	397	uint32_t cycle = (uint32_t)hal_get_cycles();
[438]	398	if( DEBUG_RPC_SERVER_GENERIC < cycle )
[564]	399	printk("\n[DBG] %s : RPC thread %x block IDLE & deschedules / cycle %d\n",
	400	__FUNCTION__, server_ptr->trdid, cycle );
[436]	401	#endif
[564]	402	// RPC thread blocks on IDLE
	403	thread_block( server_xp , THREAD_BLOCKED_IDLE );
[409]	404
[440]	405	// RPC thread deschedules
[564]	406	sched_yield("RPC_FIFO empty");
[440]	407	}
[438]	408	} // end infinite loop
[409]	409	} // end rpc_thread_func()
	410
	411
[1]	412	/////////////////////////////////////////////////////////////////////////////////////////
[409]	413	// [0] Marshaling functions attached to RPC_PMEM_GET_PAGES (blocking)
[1]	414	/////////////////////////////////////////////////////////////////////////////////////////
	415
	416	///////////////////////////////////////////////
	417	void rpc_pmem_get_pages_client( cxy_t cxy,
	418	uint32_t order, // in
[313]	419	page_t ** page ) // out
[1]	420	{
[438]	421	#if DEBUG_RPC_PMEM_GET_PAGES
[564]	422	thread_t * this = CURRENT_THREAD;
[438]	423	uint32_t cycle = (uint32_t)hal_get_cycles();
	424	if( cycle > DEBUG_RPC_PMEM_GET_PAGES )
[564]	425	printk("\n[DBG] %s : thread %x in process %x on core %d enter / cycle %d\n",
	426	__FUNCTION__, this->trdid, this->process->pid, this->core->lid, cycle );
[438]	427	#endif
[296]	428
[492]	429	assert( (cxy != local_cxy) , "target cluster is not remote\n");
[1]	430
	431	// initialise RPC descriptor header
	432	rpc_desc_t rpc;
[438]	433	rpc.index = RPC_PMEM_GET_PAGES;
	434	rpc.blocking = true;
	435	rpc.responses = 1;
[1]	436
	437	// set input arguments in RPC descriptor
	438	rpc.args[0] = (uint64_t)order;
	439
[436]	440	// register RPC request in remote RPC fifo
[416]	441	rpc_send( cxy , &rpc );
[1]	442
[313]	443	// get output arguments from RPC descriptor
[407]	444	page = (page_t )(intptr_t)rpc.args[1];
[279]	445
[438]	446	#if DEBUG_RPC_PMEM_GET_PAGES
	447	cycle = (uint32_t)hal_get_cycles();
	448	if( cycle > DEBUG_RPC_PMEM_GET_PAGES )
[564]	449	printk("\n[DBG] %s : thread %x in process %x on core %d exit / cycle %d\n",
	450	__FUNCTION__, this->trdid, this->process->pid, this->core->lid, cycle );
[438]	451	#endif
[1]	452	}
	453
	454	///////////////////////////////////////////
	455	void rpc_pmem_get_pages_server( xptr_t xp )
	456	{
[438]	457	#if DEBUG_RPC_PMEM_GET_PAGES
[564]	458	thread_t * this = CURRENT_THREAD;
[438]	459	uint32_t cycle = (uint32_t)hal_get_cycles();
	460	if( cycle > DEBUG_RPC_PMEM_GET_PAGES )
[564]	461	printk("\n[DBG] %s : thread %x in process %x on core %d enter / cycle %d\n",
	462	__FUNCTION__, this->trdid, this->process->pid, this->core->lid, cycle );
[438]	463	#endif
[296]	464
[1]	465	// get client cluster identifier and pointer on RPC descriptor
[436]	466	cxy_t cxy = GET_CXY( xp );
	467	rpc_desc_t * desc = GET_PTR( xp );
[1]	468
	469	// get input arguments from client RPC descriptor
[564]	470	uint32_t order = (uint32_t)hal_remote_l64( XPTR( cxy , &desc->args[0] ) );
[1]	471
	472	// call local pmem allocator
	473	page_t * page = ppm_alloc_pages( order );
	474
	475	// set output arguments into client RPC descriptor
[564]	476	hal_remote_s64( XPTR( cxy , &desc->args[1] ) , (uint64_t)(intptr_t)page );
[296]	477
[438]	478	#if DEBUG_RPC_PMEM_GET_PAGES
	479	cycle = (uint32_t)hal_get_cycles();
	480	if( cycle > DEBUG_RPC_PMEM_GET_PAGES )
[564]	481	printk("\n[DBG] %s : thread %x in process %x on core %d exit / cycle %d\n",
	482	__FUNCTION__, this->trdid, this->process->pid, this->core->lid, cycle );
[438]	483	#endif
[1]	484	}
	485
	486	/////////////////////////////////////////////////////////////////////////////////////////
[409]	487	// [1] Marshaling functions attached to RPC_PMEM_RELEASE_PAGES (blocking)
[1]	488	/////////////////////////////////////////////////////////////////////////////////////////
	489
[409]	490	//////////////////////////////////////////////////
	491	void rpc_pmem_release_pages_client( cxy_t cxy,
	492	page_t * page ) // out
	493	{
[438]	494	#if DEBUG_RPC_PMEM_RELEASE_PAGES
[564]	495	thread_t * this = CURRENT_THREAD;
[438]	496	uint32_t cycle = (uint32_t)hal_get_cycles();
	497	if( cycle > DEBUG_RPC_PMEM_RELEASE_PAGES )
[564]	498	printk("\n[DBG] %s : thread %x in process %x on core %d enter / cycle %d\n",
	499	__FUNCTION__, this->trdid, this->process->pid, this->core->lid , cycle );
[438]	500	#endif
[409]	501
[492]	502	assert( (cxy != local_cxy) , "target cluster is not remote\n");
[409]	503
	504	// initialise RPC descriptor header
	505	rpc_desc_t rpc;
	506	rpc.index = RPC_PMEM_RELEASE_PAGES;
[416]	507	rpc.blocking = true;
[438]	508	rpc.responses = 1;
[409]	509
	510	// set input arguments in RPC descriptor
	511	rpc.args[0] = (uint64_t)(intptr_t)page;
	512
[436]	513	// register RPC request in remote RPC fifo
[416]	514	rpc_send( cxy , &rpc );
[409]	515
[438]	516	#if DEBUG_RPC_PMEM_RELEASE_PAGES
	517	cycle = (uint32_t)hal_get_cycles();
	518	if( cycle > DEBUG_RPC_PMEM_RELEASE_PAGES )
[564]	519	printk("\n[DBG] %s : thread %x in process %x on core %d exit / cycle %d\n",
	520	__FUNCTION__, this->trdid, this->process->pid, this->core->lid, cycle );
[438]	521	#endif
[409]	522	}
	523
	524	///////////////////////////////////////////////
	525	void rpc_pmem_release_pages_server( xptr_t xp )
	526	{
[438]	527	#if DEBUG_RPC_PMEM_RELEASE_PAGES
[564]	528	thread_t * this = CURRENT_THREAD;
[438]	529	uint32_t cycle = (uint32_t)hal_get_cycles();
	530	if( cycle > DEBUG_RPC_PMEM_RELEASE_PAGES )
[564]	531	printk("\n[DBG] %s : thread %x in process %x on core %d enter / cycle %d\n",
	532	__FUNCTION__, this->trdid, this->process->pid, this->core->lid , cycle );
[438]	533	#endif
[409]	534
	535	// get client cluster identifier and pointer on RPC descriptor
[436]	536	cxy_t cxy = GET_CXY( xp );
	537	rpc_desc_t * desc = GET_PTR( xp );
[409]	538
	539	// get input arguments from client RPC descriptor
[564]	540	page_t * page = (page_t *)(intptr_t)hal_remote_l64( XPTR( cxy , &desc->args[0] ) );
[409]	541
	542	// release memory to local pmem
	543	kmem_req_t req;
	544	req.type = KMEM_PAGE;
	545	req.ptr = page;
	546	kmem_free( &req );
	547
[438]	548	#if DEBUG_RPC_PMEM_RELEASE_PAGES
	549	cycle = (uint32_t)hal_get_cycles();
	550	if( cycle > DEBUG_RPC_PMEM_RELEASE_PAGES )
[564]	551	printk("\n[DBG] %s : thread %x in process %x on core %d exit / cycle %d\n",
	552	__FUNCTION__, this->trdid, this->process->pid, this->core->lid, cycle );
[438]	553	#endif
[409]	554	}
	555
	556	/////////////////////////////////////////////////////////////////////////////////////////
[433]	557	// [2] undefined slot
[409]	558	/////////////////////////////////////////////////////////////////////////////////////////
	559
[1]	560	/////////////////////////////////////////////////////////////////////////////////////////
[409]	561	// [3] Marshaling functions attached to RPC_PROCESS_MAKE_FORK (blocking)
[1]	562	/////////////////////////////////////////////////////////////////////////////////////////
	563
[408]	564	///////////////////////////////////////////////////
	565	void rpc_process_make_fork_client( cxy_t cxy,
	566	xptr_t ref_process_xp, // in
	567	xptr_t parent_thread_xp, // in
	568	pid_t * child_pid, // out
	569	thread_t ** child_thread_ptr, // out
	570	error_t * error ) // out
[1]	571	{
[438]	572	#if DEBUG_RPC_PROCESS_MAKE_FORK
[564]	573	thread_t * this = CURRENT_THREAD;
[438]	574	uint32_t cycle = (uint32_t)hal_get_cycles();
	575	if( cycle > DEBUG_RPC_PROCESS_MAKE_FORK )
[564]	576	printk("\n[DBG] %s : thread %x in process %x on core %d enter / cycle %d\n",
	577	__FUNCTION__, this->trdid, this->process->pid, this->core->lid , cycle );
[438]	578	#endif
	579
[492]	580	assert( (cxy != local_cxy) , "target cluster is not remote\n");
[1]	581
	582	// initialise RPC descriptor header
	583	rpc_desc_t rpc;
[408]	584	rpc.index = RPC_PROCESS_MAKE_FORK;
[416]	585	rpc.blocking = true;
[438]	586	rpc.responses = 1;
[1]	587
	588	// set input arguments in RPC descriptor
[440]	589	rpc.args[0] = (uint64_t)ref_process_xp;
	590	rpc.args[1] = (uint64_t)parent_thread_xp;
[1]	591
[436]	592	// register RPC request in remote RPC fifo
[416]	593	rpc_send( cxy , &rpc );
[1]	594
	595	// get output arguments from RPC descriptor
[408]	596	*child_pid = (pid_t)rpc.args[2];
	597	child_thread_ptr = (thread_t )(intptr_t)rpc.args[3];
	598	*error = (error_t)rpc.args[4];
[279]	599
[438]	600	#if DEBUG_RPC_PROCESS_MAKE_FORK
	601	cycle = (uint32_t)hal_get_cycles();
	602	if( cycle > DEBUG_RPC_PROCESS_MAKE_FORK )
[564]	603	printk("\n[DBG] %s : thread %x in process %x on core %d exit / cycle %d\n",
	604	__FUNCTION__, this->trdid, this->process->pid, this->core->lid, cycle );
[438]	605	#endif
[1]	606	}
	607
[408]	608	//////////////////////////////////////////////
	609	void rpc_process_make_fork_server( xptr_t xp )
[1]	610	{
[438]	611	#if DEBUG_RPC_PROCESS_MAKE_FORK
[564]	612	thread_t * this = CURRENT_THREAD;
[438]	613	uint32_t cycle = (uint32_t)hal_get_cycles();
	614	if( cycle > DEBUG_RPC_PROCESS_MAKE_FORK )
[564]	615	printk("\n[DBG] %s : thread %x in process %x on core %d enter / cycle %d\n",
	616	__FUNCTION__, this->trdid, this->process->pid, this->core->lid, cycle );
[438]	617	#endif
[409]	618
[408]	619	xptr_t ref_process_xp; // extended pointer on reference parent process
	620	xptr_t parent_thread_xp; // extended pointer on parent thread
	621	pid_t child_pid; // child process identifier
	622	thread_t * child_thread_ptr; // local copy of exec_info structure
	623	error_t error; // local error status
[1]	624
	625	// get client cluster identifier and pointer on RPC descriptor
[436]	626	cxy_t client_cxy = GET_CXY( xp );
	627	rpc_desc_t * desc = GET_PTR( xp );
[1]	628
[408]	629	// get input arguments from cient RPC descriptor
[564]	630	ref_process_xp = (xptr_t)hal_remote_l64( XPTR( client_cxy , &desc->args[0] ) );
	631	parent_thread_xp = (xptr_t)hal_remote_l64( XPTR( client_cxy , &desc->args[1] ) );
[1]	632
	633	// call local kernel function
[408]	634	error = process_make_fork( ref_process_xp,
	635	parent_thread_xp,
	636	&child_pid,
	637	&child_thread_ptr );
[1]	638
	639	// set output argument into client RPC descriptor
[564]	640	hal_remote_s64( XPTR( client_cxy , &desc->args[2] ) , (uint64_t)child_pid );
	641	hal_remote_s64( XPTR( client_cxy , &desc->args[3] ) , (uint64_t)(intptr_t)child_thread_ptr );
	642	hal_remote_s64( XPTR( client_cxy , &desc->args[4] ) , (uint64_t)error );
[296]	643
[438]	644	#if DEBUG_RPC_PROCESS_MAKE_FORK
	645	cycle = (uint32_t)hal_get_cycles();
	646	if( cycle > DEBUG_RPC_PROCESS_MAKE_FORK )
[564]	647	printk("\n[DBG] %s : thread %x in process %x on core %d exit / cycle %d\n",
	648	__FUNCTION__, this->trdid, this->process->pid, this->core->lid, cycle );
[438]	649	#endif
[1]	650	}
	651
	652	/////////////////////////////////////////////////////////////////////////////////////////
[433]	653	// [4] undefined slot
[1]	654	/////////////////////////////////////////////////////////////////////////////////////////
	655
[409]	656	/////////////////////////////////////////////////////////////////////////////////////////
[435]	657	// [5] undefined slot
[409]	658	/////////////////////////////////////////////////////////////////////////////////////////
	659
[1]	660	/////////////////////////////////////////////////////////////////////////////////////////
[436]	661	// [6] Marshaling functions attached to RPC_THREAD_USER_CREATE (blocking)
[1]	662	/////////////////////////////////////////////////////////////////////////////////////////
	663
	664	/////////////////////////////////////////////////////////
	665	void rpc_thread_user_create_client( cxy_t cxy,
[23]	666	pid_t pid, // in
	667	void * start_func, // in
	668	void * start_arg, // in
[1]	669	pthread_attr_t * attr, // in
	670	xptr_t * thread_xp, // out
	671	error_t * error ) // out
	672	{
[564]	673	#if DEBUG_RPC_THREAD_USER_CREATE
	674	thread_t * this = CURRENT_THREAD;
	675	uint32_t cycle = (uint32_t)hal_get_cycles();
	676	if( cycle > DEBUG_RPC_THREAD_USER_CREATE)
	677	printk("\n[DBG] %s : thread %x in process %x on core %d enter / cycle %d\n",
	678	__FUNCTION__, this->trdid, this->process->pid, this->core->lid, cycle );
	679	#endif
	680
[492]	681	assert( (cxy != local_cxy) , "target cluster is not remote\n");
[1]	682
	683	// initialise RPC descriptor header
	684	rpc_desc_t rpc;
[436]	685	rpc.index = RPC_THREAD_USER_CREATE;
[416]	686	rpc.blocking = true;
[438]	687	rpc.responses = 1;
[1]	688
	689	// set input arguments in RPC descriptor
[23]	690	rpc.args[0] = (uint64_t)pid;
	691	rpc.args[1] = (uint64_t)(intptr_t)start_func;
	692	rpc.args[2] = (uint64_t)(intptr_t)start_arg;
	693	rpc.args[3] = (uint64_t)(intptr_t)attr;
[1]	694
[436]	695	// register RPC request in remote RPC fifo
[416]	696	rpc_send( cxy , &rpc );
[1]	697
	698	// get output arguments from RPC descriptor
[23]	699	*thread_xp = (xptr_t)rpc.args[4];
	700	*error = (error_t)rpc.args[5];
[279]	701
[564]	702	#if DEBUG_RPC_THREAD_USER_CREATE
	703	cycle = (uint32_t)hal_get_cycles();
	704	if( cycle > DEBUG_RPC_THREAD_USER_CREATE)
	705	printk("\n[DBG] %s : thread %x in process %x on core %d exit / cycle %d\n",
	706	__FUNCTION__, this->trdid, this->process->pid, this->core->lid, cycle );
	707	#endif
[1]	708	}
	709
	710	///////////////////////////////////////////////
	711	void rpc_thread_user_create_server( xptr_t xp )
	712	{
[564]	713	#if DEBUG_RPC_THREAD_USER_CREATE
	714	thread_t * this = CURRENT_THREAD;
	715	uint32_t cycle = (uint32_t)hal_get_cycles();
	716	if( cycle > DEBUG_RPC_THREAD_USER_CREATE)
	717	printk("\n[DBG] %s : thread %x in process %x on core %d enter / cycle %d\n",
	718	__FUNCTION__, this->trdid, this->process->pid, this->core->lid, cycle );
	719	#endif
[409]	720
[1]	721	pthread_attr_t * attr_ptr; // pointer on attributes structure in client cluster
	722	pthread_attr_t attr_copy; // attributes structure copy in server cluster
	723	thread_t * thread_ptr; // local pointer on thread descriptor
	724	xptr_t thread_xp; // extended pointer on thread descriptor
[23]	725
[1]	726	pid_t pid; // process identifier
[23]	727	void * start_func;
	728	void * start_arg;
	729	error_t error;
[1]	730
	731	// get client cluster identifier and pointer on RPC descriptor
[436]	732	cxy_t client_cxy = GET_CXY( xp );
[438]	733	rpc_desc_t * desc = GET_PTR( xp );
[1]	734
	735	// get pointer on attributes structure in client cluster from RPC descriptor
	736
[23]	737	// get input arguments from RPC descriptor
[564]	738	pid = (pid_t) hal_remote_l64(XPTR(client_cxy , &desc->args[0]));
	739	start_func = (void *)(intptr_t) hal_remote_l64(XPTR(client_cxy , &desc->args[1]));
	740	start_arg = (void *)(intptr_t) hal_remote_l64(XPTR(client_cxy , &desc->args[2]));
	741	attr_ptr = (pthread_attr_t *)(intptr_t)hal_remote_l64(XPTR(client_cxy , &desc->args[3]));
[23]	742
[1]	743	// makes a local copy of attributes structure
	744	hal_remote_memcpy( XPTR( local_cxy , &attr_copy ),
	745	XPTR( client_cxy , attr_ptr ),
	746	sizeof(pthread_attr_t) );
	747
[23]	748	// call kernel function
	749	error = thread_user_create( pid,
	750	start_func,
	751	start_arg,
	752	&attr_copy,
	753	&thread_ptr );
[1]	754
	755	// set output arguments
	756	thread_xp = XPTR( local_cxy , thread_ptr );
[564]	757	hal_remote_s64( XPTR( client_cxy , &desc->args[4] ) , (uint64_t)thread_xp );
	758	hal_remote_s64( XPTR( client_cxy , &desc->args[5] ) , (uint64_t)error );
[296]	759
[564]	760	#if DEBUG_RPC_THREAD_USER_CREATE
	761	cycle = (uint32_t)hal_get_cycles();
	762	if( cycle > DEBUG_RPC_THREAD_USER_CREATE)
	763	printk("\n[DBG] %s : thread %x in process %x on core %d exit / cycle %d\n",
	764	__FUNCTION__, this->trdid, this->process->pid, this->core->lid, cycle );
	765	#endif
[1]	766	}
	767
	768	/////////////////////////////////////////////////////////////////////////////////////////
[436]	769	// [7] Marshaling functions attached to RPC_THREAD_KERNEL_CREATE (blocking)
[1]	770	/////////////////////////////////////////////////////////////////////////////////////////
	771
	772	////////////////////////////////////////////////////
	773	void rpc_thread_kernel_create_client( cxy_t cxy,
	774	uint32_t type, // in
	775	void * func, // in
	776	void * args, // in
	777	xptr_t * thread_xp, // out
	778	error_t * error ) // out
	779	{
[564]	780	#if DEBUG_RPC_THREAD_KERNEL_CREATE
	781	thread_t * this = CURRENT_THREAD;
	782	uint32_t cycle = (uint32_t)hal_get_cycles();
	783	if( cycle > DEBUG_RPC_THREAD_KERNEL_CREATE)
	784	printk("\n[DBG] %s : thread %x in process %x on core %d enter / cycle %d\n",
	785	__FUNCTION__, this->trdid, this->process->pid, this->core->lid, cycle );
	786	#endif
	787
[492]	788	assert( (cxy != local_cxy) , "target cluster is not remote\n");
[1]	789
	790	// initialise RPC descriptor header
	791	rpc_desc_t rpc;
	792	rpc.index = RPC_THREAD_KERNEL_CREATE;
[416]	793	rpc.blocking = true;
[438]	794	rpc.responses = 1;
[1]	795
	796	// set input arguments in RPC descriptor
	797	rpc.args[0] = (uint64_t)type;
	798	rpc.args[1] = (uint64_t)(intptr_t)func;
	799	rpc.args[2] = (uint64_t)(intptr_t)args;
	800
[436]	801	// register RPC request in remote RPC fifo
[416]	802	rpc_send( cxy , &rpc );
[1]	803
	804	// get output arguments from RPC descriptor
	805	*thread_xp = (xptr_t)rpc.args[3];
	806	*error = (error_t)rpc.args[4];
[279]	807
[564]	808	#if DEBUG_RPC_THREAD_KERNEL_CREATE
	809	cycle = (uint32_t)hal_get_cycles();
	810	if( cycle > DEBUG_RPC_THREAD_KERNEL_CREATE)
	811	printk("\n[DBG] %s : thread %x in process %x on core %d exit / cycle %d\n",
	812	__FUNCTION__, this->trdid, this->process->pid, this->core->lid, cycle );
	813	#endif
[1]	814	}
	815
	816	/////////////////////////////////////////////////
	817	void rpc_thread_kernel_create_server( xptr_t xp )
	818	{
[564]	819	#if DEBUG_RPC_THREAD_KERNEL_CREATE
	820	thread_t * this = CURRENT_THREAD;
	821	uint32_t cycle = (uint32_t)hal_get_cycles();
	822	if( cycle > DEBUG_RPC_THREAD_KERNEL_CREATE)
	823	printk("\n[DBG] %s : thread %x in process %x on core %d enter / cycle %d\n",
	824	__FUNCTION__, this->trdid, this->process->pid, this->core->lid, cycle );
	825	#endif
	826
[1]	827	thread_t * thread_ptr; // local pointer on thread descriptor
	828	xptr_t thread_xp; // extended pointer on thread descriptor
	829	lid_t core_lid; // core local index
	830	error_t error;
	831
	832	// get client cluster identifier and pointer on RPC descriptor
[436]	833	cxy_t client_cxy = GET_CXY( xp );
[438]	834	rpc_desc_t * desc = GET_PTR( xp );
[1]	835
	836	// get attributes from RPC descriptor
[564]	837	uint32_t type = (uint32_t) hal_remote_l64( XPTR( client_cxy , &desc->args[0] ) );
	838	void * func = (void*)(intptr_t)hal_remote_l64( XPTR( client_cxy , &desc->args[1] ) );
	839	void * args = (void*)(intptr_t)hal_remote_l64( XPTR( client_cxy , &desc->args[2] ) );
[1]	840
	841	// select one core
	842	core_lid = cluster_select_local_core();
	843
	844	// call local kernel function
	845	error = thread_kernel_create( &thread_ptr , type , func , args , core_lid );
	846
	847	// set output arguments
	848	thread_xp = XPTR( local_cxy , thread_ptr );
[564]	849	hal_remote_s64( XPTR( client_cxy , &desc->args[1] ) , (uint64_t)error );
	850	hal_remote_s64( XPTR( client_cxy , &desc->args[2] ) , (uint64_t)thread_xp );
[296]	851
[564]	852	#if DEBUG_RPC_THREAD_KERNEL_CREATE
	853	cycle = (uint32_t)hal_get_cycles();
	854	if( cycle > DEBUG_RPC_THREAD_KERNEL_CREATE)
	855	printk("\n[DBG] %s : thread %x in process %x on core %d exit / cycle %d\n",
	856	__FUNCTION__, this->trdid, this->process->pid, this->core->lid, cycle );
	857	#endif
[1]	858	}
	859
	860	/////////////////////////////////////////////////////////////////////////////////////////
[436]	861	// [8] undefined slot
[1]	862	/////////////////////////////////////////////////////////////////////////////////////////
	863
[296]	864
[23]	865	/////////////////////////////////////////////////////////////////////////////////////////
[415]	866	// [9] Marshaling functions attached to RPC_PROCESS_SIGACTION (multicast / non blocking)
[23]	867	/////////////////////////////////////////////////////////////////////////////////////////
	868
[416]	869	////////////////////////////////////////////////////
	870	void rpc_process_sigaction_client( cxy_t cxy,
[436]	871	rpc_desc_t * rpc )
[409]	872	{
	873
[438]	874	#if DEBUG_RPC_PROCESS_SIGACTION
[436]	875	uint32_t cycle = (uint32_t)hal_get_cycles();
	876	uint32_t action = rpc->args[0];
	877	pid_t pid = rpc->args[1];
[438]	878	if( DEBUG_RPC_PROCESS_SIGACTION < cycle )
[457]	879	printk("\n[DBG] %s : enter to request %s of process %x in cluster %x / cycle %d\n",
[436]	880	__FUNCTION__ , process_action_str( action ) , pid , cxy , cycle );
	881	#endif
[409]	882
[436]	883	// check some RPC arguments
[492]	884	assert( (rpc->blocking == false) , "must be non-blocking\n");
	885	assert( (rpc->index == RPC_PROCESS_SIGACTION ) , "bad RPC index\n" );
[409]	886
[436]	887	// register RPC request in remote RPC fifo and return
	888	rpc_send( cxy , rpc );
	889
[438]	890	#if DEBUG_RPC_PROCESS_SIGACTION
[436]	891	cycle = (uint32_t)hal_get_cycles();
[438]	892	if( DEBUG_RPC_PROCESS_SIGACTION < cycle )
[436]	893	printk("\n[DBG] %s : exit after requesting to %s process %x in cluster %x / cycle %d\n",
	894	__FUNCTION__ , process_action_str( action ) , pid , cxy , cycle );
	895	#endif
	896
	897	} // end rpc_process_sigaction_client()
	898
[409]	899	//////////////////////////////////////////////
	900	void rpc_process_sigaction_server( xptr_t xp )
	901	{
[440]	902	pid_t pid; // target process identifier
	903	process_t * process; // pointer on local target process descriptor
	904	uint32_t action; // sigaction index
	905	thread_t * client_ptr; // pointer on client thread in client cluster
	906	xptr_t client_xp; // extended pointer client thread
	907	cxy_t client_cxy; // client cluster identifier
	908	rpc_desc_t * rpc; // pointer on rpc descriptor in client cluster
	909	xptr_t count_xp; // extended pointer on responses counter
	910	uint32_t count_value; // responses counter value
	911	lid_t client_lid; // client core local index
[409]	912
	913	// get client cluster identifier and pointer on RPC descriptor
[436]	914	client_cxy = GET_CXY( xp );
	915	rpc = GET_PTR( xp );
[409]	916
	917	// get arguments from RPC descriptor
[564]	918	action = (uint32_t)hal_remote_l64( XPTR(client_cxy , &rpc->args[0]) );
	919	pid = (pid_t) hal_remote_l64( XPTR(client_cxy , &rpc->args[1]) );
[409]	920
[438]	921	#if DEBUG_RPC_PROCESS_SIGACTION
[436]	922	uint32_t cycle = (uint32_t)hal_get_cycles();
[438]	923	if( DEBUG_RPC_PROCESS_SIGACTION < cycle )
[436]	924	printk("\n[DBG] %s : enter to %s process %x in cluster %x / cycle %d\n",
	925	__FUNCTION__ , process_action_str( action ) , pid , local_cxy , cycle );
	926	#endif
[435]	927
[440]	928	// get client thread pointers
	929	client_ptr = (thread_t *)hal_remote_lpt( XPTR( client_cxy , &rpc->thread ) );
	930	client_xp = XPTR( client_cxy , client_ptr );
	931
[435]	932	// get local process descriptor
[436]	933	process = cluster_get_local_process_from_pid( pid );
[435]	934
[409]	935	// call relevant kernel function
[440]	936	if ( action == DELETE_ALL_THREADS ) process_delete_threads ( process , client_xp );
	937	else if ( action == BLOCK_ALL_THREADS ) process_block_threads ( process , client_xp );
[436]	938	else if ( action == UNBLOCK_ALL_THREADS ) process_unblock_threads( process );
[409]	939
[436]	940	// build extended pointer on response counter in RPC
[438]	941	count_xp = XPTR( client_cxy , &rpc->responses );
[436]	942
[416]	943	// decrement the responses counter in RPC descriptor,
[440]	944	count_value = hal_remote_atomic_add( count_xp , -1 );
	945
[416]	946	// unblock the client thread only if it is the last response.
[440]	947	if( count_value == 1 )
[416]	948	{
[440]	949	// get client core lid
[564]	950	client_lid = (lid_t) hal_remote_l32 ( XPTR( client_cxy , &rpc->lid ) );
[436]	951
[440]	952	// unblock client thread
	953	thread_unblock( client_xp , THREAD_BLOCKED_RPC );
	954
	955	// send an IPI to client core
[457]	956	// dev_pic_send_ipi( client_cxy , client_lid );
[416]	957	}
	958
[438]	959	#if DEBUG_RPC_PROCESS_SIGACTION
[436]	960	cycle = (uint32_t)hal_get_cycles();
[438]	961	if( DEBUG_RPC_PROCESS_SIGACTION < cycle )
[436]	962	printk("\n[DBG] %s : exit after %s process %x in cluster %x / cycle %d\n",
	963	__FUNCTION__ , process_action_str( action ) , pid , local_cxy , cycle );
	964	#endif
[409]	965
[436]	966	} // end rpc_process_sigaction_server()
	967
[409]	968	/////////////////////////////////////////////////////////////////////////////////////////
[436]	969	// [10] Marshaling functions attached to RPC_VFS_INODE_CREATE (blocking)
[409]	970	/////////////////////////////////////////////////////////////////////////////////////////
	971
[1]	972	/////////////////////////////////////////////////////
	973	void rpc_vfs_inode_create_client( cxy_t cxy,
	974	xptr_t dentry_xp, // in
[23]	975	uint32_t fs_type, // in
	976	uint32_t inode_type, // in
[188]	977	void * extend, // in
[1]	978	uint32_t attr, // in
[23]	979	uint32_t rights, // in
[1]	980	uint32_t uid, // in
	981	uint32_t gid, // in
	982	xptr_t * inode_xp, // out
	983	error_t * error ) // out
	984	{
[459]	985	#if DEBUG_RPC_VFS_INODE_CREATE
[564]	986	thread_t * this = CURRENT_THREAD;
[459]	987	uint32_t cycle = (uint32_t)hal_get_cycles();
	988	if( cycle > DEBUG_RPC_VFS_INODE_CREATE )
[564]	989	printk("\n[DBG] %s : thread %x in process %x on core %d enter / cycle %d\n",
	990	__FUNCTION__, this->trdid, this->process->pid, this->core->lid , cycle );
[459]	991	#endif
	992
[492]	993	assert( (cxy != local_cxy) , "target cluster is not remote\n");
[1]	994
	995	// initialise RPC descriptor header
	996	rpc_desc_t rpc;
	997	rpc.index = RPC_VFS_INODE_CREATE;
[416]	998	rpc.blocking = true;
[438]	999	rpc.responses = 1;
[1]	1000
	1001	// set input arguments in RPC descriptor
	1002	rpc.args[0] = (uint64_t)dentry_xp;
[23]	1003	rpc.args[1] = (uint64_t)fs_type;
	1004	rpc.args[2] = (uint64_t)inode_type;
[188]	1005	rpc.args[3] = (uint64_t)(intptr_t)extend;
	1006	rpc.args[4] = (uint64_t)attr;
	1007	rpc.args[5] = (uint64_t)rights;
	1008	rpc.args[6] = (uint64_t)uid;
	1009	rpc.args[7] = (uint64_t)gid;
[1]	1010
[436]	1011	// register RPC request in remote RPC fifo
[416]	1012	rpc_send( cxy , &rpc );
[1]	1013
	1014	// get output values from RPC descriptor
[188]	1015	*inode_xp = (xptr_t)rpc.args[8];
	1016	*error = (error_t)rpc.args[9];
[279]	1017
[459]	1018	#if DEBUG_RPC_VFS_INODE_CREATE
[564]	1019	cycle = (uint32_t)hal_get_cycles();
[459]	1020	if( cycle > DEBUG_RPC_VFS_INODE_CREATE )
[564]	1021	printk("\n[DBG] %s : thread %x in process %x on core %d exit / cycle %d\n",
	1022	__FUNCTION__, this->trdid, this->process->pid, this->core->lid, cycle );
[459]	1023	#endif
[1]	1024	}
	1025
	1026	/////////////////////////////////////////////
	1027	void rpc_vfs_inode_create_server( xptr_t xp )
	1028	{
[459]	1029	#if DEBUG_RPC_VFS_INODE_CREATE
[564]	1030	thread_t * this = CURRENT_THREAD;
[459]	1031	uint32_t cycle = (uint32_t)hal_get_cycles();
	1032	if( cycle > DEBUG_RPC_VFS_INODE_CREATE )
[564]	1033	printk("\n[DBG] %s : thread %x in process %x on core %d enter / cycle %d\n",
	1034	__FUNCTION__, this->trdid, this->process->pid, this->core->lid, cycle );
[459]	1035	#endif
	1036
[1]	1037	xptr_t dentry_xp;
[23]	1038	uint32_t fs_type;
	1039	uint32_t inode_type;
[188]	1040	void * extend;
[1]	1041	uint32_t attr;
[23]	1042	uint32_t rights;
[1]	1043	uint32_t uid;
	1044	uint32_t gid;
	1045	xptr_t inode_xp;
	1046	error_t error;
	1047
	1048	// get client cluster identifier and pointer on RPC descriptor
[436]	1049	cxy_t client_cxy = GET_CXY( xp );
	1050	rpc_desc_t * desc = GET_PTR( xp );
[1]	1051
	1052	// get input arguments from client rpc descriptor
[564]	1053	dentry_xp = (xptr_t) hal_remote_l64( XPTR( client_cxy , &desc->args[0] ) );
	1054	fs_type = (uint32_t) hal_remote_l64( XPTR( client_cxy , &desc->args[1] ) );
	1055	inode_type = (uint32_t) hal_remote_l64( XPTR( client_cxy , &desc->args[2] ) );
	1056	extend = (void *)(intptr_t)hal_remote_l64( XPTR( client_cxy , &desc->args[3] ) );
	1057	attr = (uint32_t) hal_remote_l64( XPTR( client_cxy , &desc->args[4] ) );
	1058	rights = (uint32_t) hal_remote_l64( XPTR( client_cxy , &desc->args[5] ) );
	1059	uid = (uid_t) hal_remote_l64( XPTR( client_cxy , &desc->args[6] ) );
	1060	gid = (gid_t) hal_remote_l64( XPTR( client_cxy , &desc->args[7] ) );
[1]	1061
	1062	// call local kernel function
	1063	error = vfs_inode_create( dentry_xp,
[23]	1064	fs_type,
	1065	inode_type,
[188]	1066	extend,
[1]	1067	attr,
[23]	1068	rights,
[1]	1069	uid,
	1070	gid,
	1071	&inode_xp );
	1072
	1073	// set output arguments
[564]	1074	hal_remote_s64( XPTR( client_cxy , &desc->args[8] ) , (uint64_t)inode_xp );
	1075	hal_remote_s64( XPTR( client_cxy , &desc->args[9] ) , (uint64_t)error );
[296]	1076
[459]	1077	#if DEBUG_RPC_VFS_INODE_CREATE
[564]	1078	cycle = (uint32_t)hal_get_cycles();
[459]	1079	if( cycle > DEBUG_RPC_VFS_INODE_CREATE )
[564]	1080	printk("\n[DBG] %s : thread %x in process %x on core %d exit / cycle %d\n",
	1081	__FUNCTION__, this->trdid, this->process->pid, this->core->lid, cycle );
[459]	1082	#endif
[1]	1083	}
	1084
	1085	/////////////////////////////////////////////////////////////////////////////////////////
[409]	1086	// [11] Marshaling functions attached to RPC_VFS_INODE_DESTROY (blocking)
[1]	1087	/////////////////////////////////////////////////////////////////////////////////////////
	1088
	1089	/////////////////////////////////////////////////////////////
	1090	void rpc_vfs_inode_destroy_client( cxy_t cxy,
[459]	1091	struct vfs_inode_s * inode,
	1092	error_t * error )
[1]	1093	{
[459]	1094	#if DEBUG_RPC_VFS_INODE_DESTROY
[564]	1095	thread_t * this = CURRENT_THREAD;
[459]	1096	uint32_t cycle = (uint32_t)hal_get_cycles();
	1097	if( cycle > DEBUG_RPC_VFS_INODE_DESTROY )
[564]	1098	printk("\n[DBG] %s : thread %x in process %x on core %d enter / cycle %d\n",
	1099	__FUNCTION__, this->trdid, this->process->pid, this->core->lid, cycle );
[459]	1100	#endif
	1101
[492]	1102	assert( (cxy != local_cxy) , "target cluster is not remote\n");
[1]	1103
	1104	// initialise RPC descriptor header
	1105	rpc_desc_t rpc;
	1106	rpc.index = RPC_VFS_INODE_DESTROY;
[416]	1107	rpc.blocking = true;
[438]	1108	rpc.responses = 1;
[1]	1109
	1110	// set input arguments in RPC descriptor
	1111	rpc.args[0] = (uint64_t)(intptr_t)inode;
	1112
[436]	1113	// register RPC request in remote RPC fifo
[416]	1114	rpc_send( cxy , &rpc );
[279]	1115
[473]	1116	// get output argument from RPC descriptor
	1117	*error = (error_t)rpc.args[1];
	1118
[459]	1119	#if DEBUG_RPC_VFS_INODE_DESTROY
[564]	1120	cycle = (uint32_t)hal_get_cycles();
[459]	1121	if( cycle > DEBUG_RPC_VFS_INODE_DESTROY )
[564]	1122	printk("\n[DBG] %s : thread %x in process %x on core %d exit / cycle %d\n",
	1123	__FUNCTION__, this->trdid, this->process->pid, this->core->lid, cycle );
[459]	1124	#endif
[1]	1125	}
	1126
	1127	//////////////////////////////////////////////
	1128	void rpc_vfs_inode_destroy_server( xptr_t xp )
	1129	{
[459]	1130	#if DEBUG_RPC_VFS_INODE_DESTROY
[564]	1131	thread_t * this = CURRENT_THREAD;
[459]	1132	uint32_t cycle = (uint32_t)hal_get_cycles();
	1133	if( cycle > DEBUG_RPC_VFS_INODE_DESTROY )
[564]	1134	printk("\n[DBG] %s : thread %x in process %x on core %d enter / cycle %d\n",
	1135	__FUNCTION__, this->trdid, this->process->pid, this->core->lid, cycle );
[459]	1136	#endif
	1137
[1]	1138	vfs_inode_t * inode;
[459]	1139	error_t error;
[1]	1140
	1141	// get client cluster identifier and pointer on RPC descriptor
[436]	1142	cxy_t client_cxy = GET_CXY( xp );
	1143	rpc_desc_t * desc = GET_PTR( xp );
[1]	1144
	1145	// get arguments "inode" from client RPC descriptor
[564]	1146	inode = (vfs_inode_t *)(intptr_t)hal_remote_l64( XPTR( client_cxy , &desc->args[0] ) );
[1]	1147
	1148	// call local kernel function
[459]	1149	error = vfs_inode_destroy( inode );
[296]	1150
[459]	1151	// set output argument
[564]	1152	hal_remote_s64( XPTR( client_cxy , &desc->args[1] ) , (uint64_t)error );
[459]	1153
	1154	#if DEBUG_RPC_VFS_INODE_DESTROY
[564]	1155	cycle = (uint32_t)hal_get_cycles();
[459]	1156	if( cycle > DEBUG_RPC_VFS_INODE_DESTROY )
[564]	1157	printk("\n[DBG] %s : thread %x in process %x on core %d exit / cycle %d\n",
	1158	__FUNCTION__, this->trdid, this->process->pid, this->core->lid, cycle );
[459]	1159	#endif
[1]	1160	}
	1161
	1162	/////////////////////////////////////////////////////////////////////////////////////////
[409]	1163	// [12] Marshaling functions attached to RPC_VFS_DENTRY_CREATE (blocking)
[1]	1164	/////////////////////////////////////////////////////////////////////////////////////////
	1165
	1166	//////////////////////////////////////////////////////////////
	1167	void rpc_vfs_dentry_create_client( cxy_t cxy,
	1168	uint32_t type, // in
	1169	char * name, // in
	1170	struct vfs_inode_s * parent, // in
	1171	xptr_t * dentry_xp, // out
	1172	error_t * error ) // out
	1173	{
[438]	1174	#if DEBUG_RPC_VFS_DENTRY_CREATE
[564]	1175	thread_t * this = CURRENT_THREAD;
[438]	1176	uint32_t cycle = (uint32_t)hal_get_cycles();
	1177	if( cycle > DEBUG_RPC_VFS_DENTRY_CREATE )
[564]	1178	printk("\n[DBG] %s : thread %x in process %x on core %d enter / cycle %d\n",
	1179	__FUNCTION__, this->trdid, this->process->pid, this->core->lid, cycle );
[438]	1180	#endif
[296]	1181
[492]	1182	assert( (cxy != local_cxy) , "target cluster is not remote\n");
[1]	1183
	1184	// initialise RPC descriptor header
	1185	rpc_desc_t rpc;
	1186	rpc.index = RPC_VFS_DENTRY_CREATE;
[416]	1187	rpc.blocking = true;
[438]	1188	rpc.responses = 1;
[1]	1189
	1190	// set input arguments in RPC descriptor
	1191	rpc.args[0] = (uint64_t)type;
	1192	rpc.args[1] = (uint64_t)(intptr_t)name;
[238]	1193	rpc.args[2] = (uint64_t)(intptr_t)parent;
[1]	1194
[436]	1195	// register RPC request in remote RPC fifo
[416]	1196	rpc_send( cxy , &rpc );
[1]	1197
	1198	// get output values from RPC descriptor
[238]	1199	*dentry_xp = (xptr_t)rpc.args[3];
	1200	*error = (error_t)rpc.args[4];
[279]	1201
[438]	1202	#if DEBUG_RPC_VFS_DENTRY_CREATE
	1203	cycle = (uint32_t)hal_get_cycles();
	1204	if( cycle > DEBUG_RPC_VFS_DENTRY_CREATE )
[564]	1205	printk("\n[DBG] %s : thread %x in process %x on core %d exit / cycle %d\n",
	1206	__FUNCTION__, this->trdid, this->process->pid, this->core->lid, cycle );
[438]	1207	#endif
[1]	1208	}
	1209
	1210	//////////////////////////////////////////////
	1211	void rpc_vfs_dentry_create_server( xptr_t xp )
	1212	{
[438]	1213	#if DEBUG_RPC_VFS_DENTRY_CREATE
[564]	1214	thread_t * this = CURRENT_THREAD;
[438]	1215	uint32_t cycle = (uint32_t)hal_get_cycles();
	1216	if( cycle > DEBUG_RPC_VFS_DENTRY_CREATE )
[564]	1217	printk("\n[DBG] %s : thread %x in process %x on core %d enter / cycle %d\n",
	1218	__FUNCTION__, this->trdid, this->process->pid, this->core->lid , cycle );
[438]	1219	#endif
	1220
[1]	1221	uint32_t type;
	1222	char * name;
	1223	vfs_inode_t * parent;
	1224	xptr_t dentry_xp;
	1225	error_t error;
[238]	1226	char name_copy[CONFIG_VFS_MAX_NAME_LENGTH];
	1227
[1]	1228	// get client cluster identifier and pointer on RPC descriptor
[436]	1229	cxy_t client_cxy = GET_CXY( xp );
	1230	rpc_desc_t * desc = GET_PTR( xp );
[1]	1231
[238]	1232	// get arguments "name", "type", and "parent" from client RPC descriptor
[564]	1233	type = (uint32_t) hal_remote_l64( XPTR( client_cxy , &desc->args[0] ) );
	1234	name = (char *)(intptr_t) hal_remote_l64( XPTR( client_cxy , &desc->args[1] ) );
	1235	parent = (vfs_inode_t *)(intptr_t)hal_remote_l64( XPTR( client_cxy , &desc->args[2] ) );
[296]	1236
[238]	1237	// makes a local copy of name
	1238	hal_remote_strcpy( XPTR( local_cxy , name_copy ),
	1239	XPTR( client_cxy , name ) );
	1240
[1]	1241	// call local kernel function
	1242	error = vfs_dentry_create( type,
	1243	name_copy,
	1244	parent,
	1245	&dentry_xp );
	1246	// set output arguments
[564]	1247	hal_remote_s64( XPTR( client_cxy , &desc->args[3] ) , (uint64_t)dentry_xp );
	1248	hal_remote_s64( XPTR( client_cxy , &desc->args[4] ) , (uint64_t)error );
[296]	1249
[438]	1250	#if DEBUG_RPC_VFS_DENTRY_CREATE
	1251	cycle = (uint32_t)hal_get_cycles();
	1252	if( cycle > DEBUG_RPC_VFS_DENTRY_CREATE )
[564]	1253	printk("\n[DBG] %s : thread %x in process %x on core %d exit / cycle %d\n",
	1254	__FUNCTION__, this->trdid, this->process->pid, this->core->lid, cycle );
[438]	1255	#endif
[1]	1256	}
	1257
	1258	/////////////////////////////////////////////////////////////////////////////////////////
[409]	1259	// [13] Marshaling functions attached to RPC_VFS_DENTRY_DESTROY (blocking)
[1]	1260	/////////////////////////////////////////////////////////////////////////////////////////
	1261
	1262	///////////////////////////////////////////////////////
	1263	void rpc_vfs_dentry_destroy_client( cxy_t cxy,
[459]	1264	vfs_dentry_t * dentry,
	1265	error_t * error )
[1]	1266	{
[440]	1267	#if DEBUG_RPC_VFS_DENTRY_DESTROY
[564]	1268	thread_t * this = CURRENT_THREAD;
[440]	1269	uint32_t cycle = (uint32_t)hal_get_cycles();
	1270	if( cycle > DEBUG_RPC_VFS_DENTRY_DESTROY )
[564]	1271	printk("\n[DBG] %s : thread %x in process %x on core %d enter / cycle %d\n",
	1272	__FUNCTION__, this->trdid, this->process->pid, this->core->lid , cycle );
[440]	1273	#endif
	1274
[492]	1275	assert( (cxy != local_cxy) , "target cluster is not remote\n");
[1]	1276
	1277	// initialise RPC descriptor header
	1278	rpc_desc_t rpc;
	1279	rpc.index = RPC_VFS_DENTRY_DESTROY;
[416]	1280	rpc.blocking = true;
[438]	1281	rpc.responses = 1;
[1]	1282
	1283	// set input arguments in RPC descriptor
	1284	rpc.args[0] = (uint64_t)(intptr_t)dentry;
	1285
[436]	1286	// register RPC request in remote RPC fifo
[416]	1287	rpc_send( cxy , &rpc );
[279]	1288
[473]	1289	// get output argument from RPC descriptor
	1290	*error = (error_t)rpc.args[1];
	1291
[440]	1292	#if DEBUG_RPC_VFS_DENTRY_DESTROY
	1293	cycle = (uint32_t)hal_get_cycles();
	1294	if( cycle > DEBUG_RPC_VFS_DENTRY_DESTROY )
[564]	1295	printk("\n[DBG] %s : thread %x in process %x on core %d exit / cycle %d\n",
	1296	__FUNCTION__, this->trdid, this->process->pid, this->core->lid, cycle );
[440]	1297	#endif
[1]	1298	}
	1299
	1300	///////////////////////////////////////////////
	1301	void rpc_vfs_dentry_destroy_server( xptr_t xp )
	1302	{
[440]	1303	#if DEBUG_RPC_VFS_DENTRY_DESTROY
[564]	1304	thread_t * this = CURRENT_THREAD;
[440]	1305	uint32_t cycle = (uint32_t)hal_get_cycles();
	1306	if( cycle > DEBUG_RPC_VFS_DENTRY_DESTROY )
[564]	1307	printk("\n[DBG] %s : thread %x in process %x on core %d enter / cycle %d\n",
	1308	__FUNCTION__, this->trdid, this->process->pid, this->core->lid , cycle );
[440]	1309	#endif
	1310
[1]	1311	vfs_dentry_t * dentry;
[459]	1312	error_t error;
[1]	1313
	1314	// get client cluster identifier and pointer on RPC descriptor
[436]	1315	cxy_t client_cxy = GET_CXY( xp );
	1316	rpc_desc_t * desc = GET_PTR( xp );
[1]	1317
	1318	// get arguments "dentry" from client RPC descriptor
[564]	1319	dentry = (vfs_dentry_t *)(intptr_t)hal_remote_l64( XPTR( client_cxy , &desc->args[0] ) );
[1]	1320
	1321	// call local kernel function
[459]	1322	error = vfs_dentry_destroy( dentry );
[296]	1323
[459]	1324	// set output argument
[564]	1325	hal_remote_s64( XPTR( client_cxy , &desc->args[1] ) , (uint64_t)error );
[459]	1326
[440]	1327	#if DEBUG_RPC_VFS_DENTRY_DESTROY
	1328	cycle = (uint32_t)hal_get_cycles();
	1329	if( cycle > DEBUG_RPC_VFS_DENTRY_DESTROY )
[564]	1330	printk("\n[DBG] %s : thread %x in process %x on core %d exit / cycle %d\n",
	1331	__FUNCTION__, this->trdid, this->process->pid, this->core->lid, cycle );
[440]	1332	#endif
[1]	1333	}
	1334
	1335
	1336	/////////////////////////////////////////////////////////////////////////////////////////
[409]	1337	// [14] Marshaling functions attached to RPC_VFS_FILE_CREATE (blocking)
[1]	1338	/////////////////////////////////////////////////////////////////////////////////////////
	1339
[23]	1340	//////////////////////////////////////////////////////////////
	1341	void rpc_vfs_file_create_client( cxy_t cxy,
	1342	struct vfs_inode_s * inode, // in
	1343	uint32_t file_attr, // in
	1344	xptr_t * file_xp, // out
	1345	error_t * error ) // out
	1346	{
[438]	1347	#if DEBUG_RPC_VFS_FILE_CREATE
[564]	1348	thread_t * this = CURRENT_THREAD;
[438]	1349	uint32_t cycle = (uint32_t)hal_get_cycles();
	1350	if( cycle > DEBUG_RPC_VFS_FILE_CREATE )
[564]	1351	printk("\n[DBG] %s : thread %x in process %x on core %d enter / cycle %d\n",
	1352	__FUNCTION__, this->trdid, this->process->pid, this->core->lid , cycle );
[438]	1353	#endif
	1354
[492]	1355	assert( (cxy != local_cxy) , "target cluster is not remote\n");
[23]	1356
	1357	// initialise RPC descriptor header
	1358	rpc_desc_t rpc;
	1359	rpc.index = RPC_VFS_FILE_CREATE;
[416]	1360	rpc.blocking = true;
[438]	1361	rpc.responses = 1;
[23]	1362
	1363	// set input arguments in RPC descriptor
	1364	rpc.args[0] = (uint64_t)(intptr_t)inode;
	1365	rpc.args[1] = (uint64_t)file_attr;
	1366
[436]	1367	// register RPC request in remote RPC fifo
[416]	1368	rpc_send( cxy , &rpc );
[23]	1369
	1370	// get output values from RPC descriptor
	1371	*file_xp = (xptr_t)rpc.args[2];
	1372	*error = (error_t)rpc.args[3];
[279]	1373
[438]	1374	#if DEBUG_RPC_VFS_FILE_CREATE
	1375	cycle = (uint32_t)hal_get_cycles();
	1376	if( cycle > DEBUG_RPC_VFS_FILE_CREATE )
[564]	1377	printk("\n[DBG] %s : thread %x in process %x on core %d exit / cycle %d\n",
	1378	__FUNCTION__, this->trdid, this->process->pid, this->core->lid, cycle );
[438]	1379	#endif
[23]	1380	}
	1381
	1382	////////////////////////////////////////////
	1383	void rpc_vfs_file_create_server( xptr_t xp )
	1384	{
[438]	1385	#if DEBUG_RPC_VFS_FILE_CREATE
[564]	1386	thread_t * this = CURRENT_THREAD;
[438]	1387	uint32_t cycle = (uint32_t)hal_get_cycles();
	1388	if( cycle > DEBUG_RPC_VFS_FILE_CREATE )
[564]	1389	printk("\n[DBG] %s : thread %x in process %x on core %d enter / cycle %d\n",
	1390	__FUNCTION__, this->trdid, this->process->pid, this->core->lid , cycle );
[438]	1391	#endif
	1392
[23]	1393	uint32_t file_attr;
	1394	vfs_inode_t * inode;
	1395	xptr_t file_xp;
	1396	error_t error;
	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 );
[23]	1401
	1402	// get arguments "file_attr" and "inode" from client RPC descriptor
[564]	1403	inode = (vfs_inode_t *)(intptr_t)hal_remote_l64( XPTR( client_cxy , &desc->args[0] ) );
	1404	file_attr = (uint32_t) hal_remote_l64( XPTR( client_cxy , &desc->args[1] ) );
[23]	1405
	1406	// call local kernel function
	1407	error = vfs_file_create( inode,
	1408	file_attr,
	1409	&file_xp );
	1410
	1411	// set output arguments
[564]	1412	hal_remote_s64( XPTR( client_cxy , &desc->args[2] ) , (uint64_t)file_xp );
	1413	hal_remote_s64( XPTR( client_cxy , &desc->args[3] ) , (uint64_t)error );
[296]	1414
[438]	1415	#if DEBUG_RPC_VFS_FILE_CREATE
	1416	cycle = (uint32_t)hal_get_cycles();
	1417	if( cycle > DEBUG_RPC_VFS_FILE_CREATE )
[564]	1418	printk("\n[DBG] %s : thread %x in process %x on core %d exit / cycle %d\n",
	1419	__FUNCTION__, this->trdid, this->process->pid, this->core->lid, cycle );
[438]	1420	#endif
[23]	1421	}
	1422
	1423	/////////////////////////////////////////////////////////////////////////////////////////
[409]	1424	// [15] Marshaling functions attached to RPC_VFS_FILE_DESTROY (blocking)
[23]	1425	/////////////////////////////////////////////////////////////////////////////////////////
	1426
	1427	///////////////////////////////////////////////////
	1428	void rpc_vfs_file_destroy_client( cxy_t cxy,
	1429	vfs_file_t * file )
	1430	{
[440]	1431	#if DEBUG_RPC_VFS_FILE_DESTROY
[564]	1432	thread_t * this = CURRENT_THREAD;
[440]	1433	uint32_t cycle = (uint32_t)hal_get_cycles();
	1434	if( cycle > DEBUG_RPC_VFS_FILE_DESTROY )
[564]	1435	printk("\n[DBG] %s : thread %x in process %x on core %d enter / cycle %d\n",
	1436	__FUNCTION__, this->trdid, this->process->pid, this->core->lid , cycle );
[440]	1437	#endif
	1438
[492]	1439	assert( (cxy != local_cxy) , "target cluster is not remote\n");
[23]	1440
	1441	// initialise RPC descriptor header
	1442	rpc_desc_t rpc;
	1443	rpc.index = RPC_VFS_FILE_DESTROY;
[416]	1444	rpc.blocking = true;
[438]	1445	rpc.responses = 1;
[23]	1446
	1447	// set input arguments in RPC descriptor
	1448	rpc.args[0] = (uint64_t)(intptr_t)file;
	1449
[436]	1450	// register RPC request in remote RPC fifo
[416]	1451	rpc_send( cxy , &rpc );
[279]	1452
[440]	1453	#if DEBUG_RPC_VFS_FILE_DESTROY
	1454	cycle = (uint32_t)hal_get_cycles();
	1455	if( cycle > DEBUG_RPC_VFS_FILE_DESTROY )
[564]	1456	printk("\n[DBG] %s : thread %x in process %x on core %d exit / cycle %d\n",
	1457	__FUNCTION__, this->trdid, this->process->pid, this->core->lid, cycle );
[440]	1458	#endif
[23]	1459	}
	1460
	1461	/////////////////////////////////////////////
	1462	void rpc_vfs_file_destroy_server( xptr_t xp )
	1463	{
[440]	1464	#if DEBUG_RPC_VFS_FILE_DESTROY
[564]	1465	thread_t * this = CURRENT_THREAD;
[440]	1466	uint32_t cycle = (uint32_t)hal_get_cycles();
	1467	if( cycle > DEBUG_RPC_VFS_FILE_DESTROY )
[564]	1468	printk("\n[DBG] %s : thread %x in process %x on core %d enter / cycle %d\n",
	1469	__FUNCTION__, this->trdid, this->process->pid, this->core->lid , cycle );
[440]	1470	#endif
	1471
[23]	1472	vfs_file_t * file;
	1473
	1474	// get client cluster identifier and pointer on RPC descriptor
[436]	1475	cxy_t client_cxy = GET_CXY( xp );
	1476	rpc_desc_t * desc = GET_PTR( xp );
[23]	1477
	1478	// get arguments "dentry" from client RPC descriptor
[564]	1479	file = (vfs_file_t *)(intptr_t)hal_remote_l64( XPTR( client_cxy , &desc->args[0] ) );
[23]	1480
	1481	// call local kernel function
	1482	vfs_file_destroy( file );
[296]	1483
[440]	1484	#if DEBUG_RPC_VFS_FILE_DESTROY
	1485	cycle = (uint32_t)hal_get_cycles();
	1486	if( cycle > DEBUG_RPC_VFS_FILE_DESTROY )
[564]	1487	printk("\n[DBG] %s : thread %x in process %x on core %d exit / cycle %d\n",
	1488	__FUNCTION__, this->trdid, this->process->pid, this->core->lid, cycle );
[440]	1489	#endif
[23]	1490	}
	1491
	1492	/////////////////////////////////////////////////////////////////////////////////////////
[409]	1493	// [16] Marshaling functions attached to RPC_VFS_INODE_LOAD (blocking)
[23]	1494	/////////////////////////////////////////////////////////////////////////////////////////
	1495
[1]	1496	//////////////////////////////////////////////////
[238]	1497	void rpc_vfs_inode_load_client( cxy_t cxy,
	1498	vfs_inode_t * parent_inode, // in
	1499	char * name, // in
	1500	xptr_t child_inode_xp, // in
	1501	error_t * error ) // out
	1502	{
[492]	1503	assert( (cxy != local_cxy) , "target cluster is not remote\n");
[238]	1504
	1505	// initialise RPC descriptor header
	1506	rpc_desc_t rpc;
	1507	rpc.index = RPC_VFS_INODE_LOAD;
[416]	1508	rpc.blocking = true;
[438]	1509	rpc.responses = 1;
[238]	1510
	1511	// set input arguments in RPC descriptor
	1512	rpc.args[0] = (uint64_t)(intptr_t)parent_inode;
	1513	rpc.args[1] = (uint64_t)(intptr_t)name;
	1514	rpc.args[2] = (uint64_t)child_inode_xp;
	1515
[436]	1516	// register RPC request in remote RPC fifo
[416]	1517	rpc_send( cxy , &rpc );
[238]	1518
	1519	// get output values from RPC descriptor
	1520	*error = (error_t)rpc.args[3];
[279]	1521
[238]	1522	}
	1523
	1524	///////////////////////////////////////////
	1525	void rpc_vfs_inode_load_server( xptr_t xp )
	1526	{
	1527	error_t error;
	1528	vfs_inode_t * parent;
	1529	xptr_t child_xp;
	1530	char * name;
	1531
	1532	char name_copy[CONFIG_VFS_MAX_NAME_LENGTH];
	1533
	1534	// get client cluster identifier and pointer on RPC descriptor
[436]	1535	cxy_t client_cxy = GET_CXY( xp );
	1536	rpc_desc_t * desc = GET_PTR( xp );
[238]	1537
	1538	// get arguments "parent", "name", and "child_xp"
[564]	1539	parent = (vfs_inode_t*)(intptr_t)hal_remote_l64(XPTR(client_cxy , &desc->args[0]));
	1540	name = (char*)(intptr_t) hal_remote_l64(XPTR(client_cxy , &desc->args[1]));
	1541	child_xp = (xptr_t) hal_remote_l64(XPTR(client_cxy , &desc->args[2]));
[238]	1542
	1543	// get name local copy
	1544	hal_remote_strcpy( XPTR( local_cxy , name_copy ) ,
	1545	XPTR( client_cxy , name ) );
	1546
	1547	// call the kernel function
	1548	error = vfs_inode_load( parent , name_copy , child_xp );
	1549
	1550	// set output argument
[564]	1551	hal_remote_s64( XPTR( client_cxy , &desc->args[3] ) , (uint64_t)error );
[296]	1552
[238]	1553	}
	1554
	1555	/////////////////////////////////////////////////////////////////////////////////////////
[409]	1556	// [17] Marshaling functions attached to RPC_VFS_MAPPER_LOAD_ALL (blocking)
[238]	1557	/////////////////////////////////////////////////////////////////////////////////////////
	1558
	1559	///////////////////////////////////////////////////////
	1560	void rpc_vfs_mapper_load_all_client( cxy_t cxy,
	1561	vfs_inode_t * inode, // in
	1562	error_t * error ) // out
	1563	{
[492]	1564	assert( (cxy != local_cxy) , "target cluster is not remote\n");
[238]	1565
	1566	// initialise RPC descriptor header
	1567	rpc_desc_t rpc;
[389]	1568	rpc.index = RPC_VFS_MAPPER_LOAD_ALL;
[416]	1569	rpc.blocking = true;
[438]	1570	rpc.responses = 1;
[238]	1571
	1572	// set input arguments in RPC descriptor
	1573	rpc.args[0] = (uint64_t)(intptr_t)inode;
	1574
[436]	1575	// register RPC request in remote RPC fifo
[416]	1576	rpc_send( cxy , &rpc );
[238]	1577
	1578	// get output values from RPC descriptor
	1579	*error = (error_t)rpc.args[1];
[279]	1580
[238]	1581	}
	1582
	1583	////////////////////////////////////////////////
	1584	void rpc_vfs_mapper_load_all_server( xptr_t xp )
	1585	{
	1586	error_t error;
	1587	vfs_inode_t * inode;
	1588
	1589	// get client cluster identifier and pointer on RPC descriptor
[436]	1590	cxy_t client_cxy = GET_CXY( xp );
	1591	rpc_desc_t * desc = GET_PTR( xp );
[238]	1592
	1593	// get arguments "parent", "name", and "child_xp"
[564]	1594	inode = (vfs_inode_t*)(intptr_t)hal_remote_l64(XPTR(client_cxy , &desc->args[0]));
[238]	1595
	1596	// call the kernel function
	1597	error = vfs_mapper_load_all( inode );
	1598
	1599	// set output argument
[564]	1600	hal_remote_s64( XPTR( client_cxy , &desc->args[1] ) , (uint64_t)error );
[296]	1601
[238]	1602	}
	1603
	1604	/////////////////////////////////////////////////////////////////////////////////////////
[409]	1605	// [18] Marshaling functions attached to RPC_FATFS_GET_CLUSTER (blocking)
[238]	1606	/////////////////////////////////////////////////////////////////////////////////////////
	1607
	1608	//////////////////////////////////////////////////
[23]	1609	void rpc_fatfs_get_cluster_client( cxy_t cxy,
	1610	mapper_t * mapper, // in
	1611	uint32_t first, // in
[407]	1612	uint32_t index, // in
[23]	1613	uint32_t * cluster, // out
	1614	error_t * error ) // out
	1615	{
[492]	1616	assert( (cxy != local_cxy) , "target cluster is not remote\n");
[23]	1617
	1618	// initialise RPC descriptor header
	1619	rpc_desc_t rpc;
	1620	rpc.index = RPC_FATFS_GET_CLUSTER;
[416]	1621	rpc.blocking = true;
[438]	1622	rpc.responses = 1;
[23]	1623
	1624	// set input arguments in RPC descriptor
	1625	rpc.args[0] = (uint64_t)(intptr_t)mapper;
	1626	rpc.args[1] = (uint64_t)first;
[407]	1627	rpc.args[2] = (uint64_t)index;
[23]	1628
	1629	// register RPC request in remote RPC fifo
[416]	1630	rpc_send( cxy , &rpc );
[23]	1631
	1632	// get output argument from rpc descriptor
	1633	*cluster = (uint32_t)rpc.args[3];
	1634	*error = (error_t)rpc.args[4];
[279]	1635
[23]	1636	}
	1637
	1638	//////////////////////////////////////////////
	1639	void rpc_fatfs_get_cluster_server( xptr_t xp )
	1640	{
	1641	mapper_t * mapper;
	1642	uint32_t first;
[407]	1643	uint32_t index;
[23]	1644	uint32_t cluster;
	1645	error_t error;
	1646
	1647	// get client cluster identifier and pointer on RPC descriptor
[436]	1648	cxy_t client_cxy = GET_CXY( xp );
[438]	1649	rpc_desc_t * desc = GET_PTR( xp );
[23]	1650
	1651	// get input arguments
	1652	mapper = (mapper_t *)(intptr_t)hal_remote_lpt( XPTR( client_cxy , &desc->args[0] ) );
[564]	1653	first = (uint32_t) hal_remote_l32 ( XPTR( client_cxy , &desc->args[1] ) );
	1654	index = (uint32_t) hal_remote_l32 ( XPTR( client_cxy , &desc->args[2] ) );
[23]	1655
	1656	// call the kernel function
[407]	1657	error = fatfs_get_cluster( mapper , first , index , &cluster );
[23]	1658
	1659	// set output argument
[564]	1660	hal_remote_s64( XPTR( client_cxy , &desc->args[3] ) , (uint64_t)cluster );
	1661	hal_remote_s64( XPTR( client_cxy , &desc->args[4] ) , (uint64_t)error );
[296]	1662
[23]	1663	}
	1664
	1665	/////////////////////////////////////////////////////////////////////////////////////////
[409]	1666	// [20] Marshaling functions attached to RPC_VMM_GET_VSEG (blocking)
[23]	1667	/////////////////////////////////////////////////////////////////////////////////////////
	1668
	1669	//////////////////////////////////////////////////
[389]	1670	void rpc_vmm_get_vseg_client( cxy_t cxy,
	1671	process_t * process, // in
	1672	intptr_t vaddr, // in
	1673	xptr_t * vseg_xp, // out
	1674	error_t * error ) // out
[1]	1675	{
[440]	1676	#if DEBUG_RPC_VMM_GET_VSEG
[564]	1677	thread_t * this = CURRENT_THREAD;
[440]	1678	uint32_t cycle = (uint32_t)hal_get_cycles();
	1679	if( cycle > DEBUG_RPC_VMM_GET_VSEG )
[564]	1680	printk("\n[DBG] %s : thread %x in process %x on core %d enter / cycle %d\n",
	1681	__FUNCTION__, this->trdid, this->process->pid, this->core->lid , cycle );
[440]	1682	#endif
	1683
[492]	1684	assert( (cxy != local_cxy) , "target cluster is not remote\n");
[1]	1685
	1686	// initialise RPC descriptor header
	1687	rpc_desc_t rpc;
[389]	1688	rpc.index = RPC_VMM_GET_VSEG;
[416]	1689	rpc.blocking = true;
[438]	1690	rpc.responses = 1;
[1]	1691
	1692	// set input arguments in RPC descriptor
	1693	rpc.args[0] = (uint64_t)(intptr_t)process;
	1694	rpc.args[1] = (uint64_t)vaddr;
	1695
[436]	1696	// register RPC request in remote RPC fifo
[416]	1697	rpc_send( cxy , &rpc );
[1]	1698
	1699	// get output argument from rpc descriptor
	1700	*vseg_xp = rpc.args[2];
[389]	1701	*error = (error_t)rpc.args[3];
[279]	1702
[440]	1703	#if DEBUG_RPC_VMM_GET_VSEG
	1704	cycle = (uint32_t)hal_get_cycles();
	1705	if( cycle > DEBUG_RPC_VMM_GET_VSEG )
[564]	1706	printk("\n[DBG] %s : thread %x in process %x on core %d exit / cycle %d\n",
	1707	__FUNCTION__, this->trdid, this->process->pid, this->core->lid , cycle );
[440]	1708	#endif
[1]	1709	}
	1710
[389]	1711	/////////////////////////////////////////
	1712	void rpc_vmm_get_vseg_server( xptr_t xp )
[1]	1713	{
[440]	1714	#if DEBUG_RPC_VMM_GET_VSEG
[564]	1715	thread_t * this = CURRENT_THREAD;
[440]	1716	uint32_t cycle = (uint32_t)hal_get_cycles();
	1717	if( cycle > DEBUG_RPC_VMM_GET_VSEG )
[564]	1718	printk("\n[DBG] %s : thread %x in process %x on core %d enter / cycle %d\n",
	1719	__FUNCTION__, this->trdid, this->process->pid, this->core->lid , cycle );
[440]	1720	#endif
	1721
[1]	1722	process_t * process;
	1723	intptr_t vaddr;
	1724	vseg_t * vseg_ptr;
	1725	xptr_t vseg_xp;
[389]	1726	error_t error;
[1]	1727
	1728	// get client cluster identifier and pointer on RPC descriptor
[436]	1729	cxy_t client_cxy = GET_CXY( xp );
	1730	rpc_desc_t * desc = GET_PTR( xp );
[1]	1731
	1732	// get input argument from client RPC descriptor
[564]	1733	process = (process_t *)(intptr_t)hal_remote_l64( XPTR( client_cxy , &desc->args[0] ) );
	1734	vaddr = (intptr_t)hal_remote_l64( XPTR( client_cxy , &desc->args[1] ) );
[1]	1735
	1736	// call local kernel function
[389]	1737	error = vmm_get_vseg( process , vaddr , &vseg_ptr );
[1]	1738
[389]	1739	// set output arguments to client RPC descriptor
	1740	vseg_xp = XPTR( local_cxy , vseg_ptr );
[564]	1741	hal_remote_s64( XPTR( client_cxy , &desc->args[2] ) , (uint64_t)vseg_xp );
	1742	hal_remote_s64( XPTR( client_cxy , &desc->args[3] ) , (uint64_t)error );
[296]	1743
[440]	1744	#if DEBUG_RPC_VMM_GET_VSEG
	1745	cycle = (uint32_t)hal_get_cycles();
	1746	if( cycle > DEBUG_RPC_VMM_GET_VSEG )
[564]	1747	printk("\n[DBG] %s : thread %x in process %x on core %d exit / cycle %d\n",
	1748	__FUNCTION__, this->trdid, this->process->pid, this->core->lid , cycle );
[440]	1749	#endif
[1]	1750	}
	1751
	1752
	1753	/////////////////////////////////////////////////////////////////////////////////////////
[441]	1754	// [21] Marshaling functions attached to RPC_VMM_GET_PTE (blocking)
[1]	1755	/////////////////////////////////////////////////////////////////////////////////////////
	1756
	1757	////////////////////////////////////////////
	1758	void rpc_vmm_get_pte_client( cxy_t cxy,
	1759	process_t * process, // in
	1760	vpn_t vpn, // in
[407]	1761	bool_t cow, // in
[1]	1762	uint32_t * attr, // out
	1763	ppn_t * ppn, // out
	1764	error_t * error ) // out
	1765	{
[440]	1766	#if DEBUG_RPC_VMM_GET_PTE
[564]	1767	thread_t * this = CURRENT_THREAD;
[440]	1768	uint32_t cycle = (uint32_t)hal_get_cycles();
	1769	if( cycle > DEBUG_RPC_VMM_GET_PTE )
[564]	1770	printk("\n[DBG] %s : thread %x in process %x on core %d enter / cycle %d\n",
	1771	__FUNCTION__, this->trdid, this->process->pid, this->core->lid , cycle );
[440]	1772	#endif
	1773
[492]	1774	assert( (cxy != local_cxy) , "target cluster is not remote\n");
[1]	1775
	1776	// initialise RPC descriptor header
	1777	rpc_desc_t rpc;
[441]	1778	rpc.index = RPC_VMM_GET_PTE;
[416]	1779	rpc.blocking = true;
[438]	1780	rpc.responses = 1;
[1]	1781
	1782	// set input arguments in RPC descriptor
	1783	rpc.args[0] = (uint64_t)(intptr_t)process;
	1784	rpc.args[1] = (uint64_t)vpn;
[407]	1785	rpc.args[2] = (uint64_t)cow;
[1]	1786
[436]	1787	// register RPC request in remote RPC fifo
[416]	1788	rpc_send( cxy , &rpc );
[1]	1789
	1790	// get output argument from rpc descriptor
[407]	1791	*attr = (uint32_t)rpc.args[3];
	1792	*ppn = (ppn_t)rpc.args[4];
	1793	*error = (error_t)rpc.args[5];
[279]	1794
[440]	1795	#if DEBUG_RPC_VMM_GET_PTE
	1796	cycle = (uint32_t)hal_get_cycles();
	1797	if( cycle > DEBUG_RPC_VMM_GET_PTE )
[564]	1798	printk("\n[DBG] %s : thread %x in process %x on core %d exit / cycle %d\n",
	1799	__FUNCTION__, this->trdid, this->process->pid, this->core->lid , cycle );
[440]	1800	#endif
[1]	1801	}
	1802
	1803	////////////////////////////////////////
	1804	void rpc_vmm_get_pte_server( xptr_t xp )
	1805	{
[440]	1806	#if DEBUG_RPC_VMM_GET_PTE
[564]	1807	thread_t * this = CURRENT_THREAD;
[440]	1808	uint32_t cycle = (uint32_t)hal_get_cycles();
	1809	if( cycle > DEBUG_RPC_VMM_GET_PTE )
[564]	1810	printk("\n[DBG] %s : thread %x in process %x on core %d enter / cycle %d\n",
	1811	__FUNCTION__, this->trdid, this->process->pid, this->core->lid , cycle );
[440]	1812	#endif
	1813
[1]	1814	process_t * process;
	1815	vpn_t vpn;
[407]	1816	bool_t cow;
[1]	1817	uint32_t attr;
	1818	ppn_t ppn;
	1819	error_t error;
	1820
	1821	// get client cluster identifier and pointer on RPC descriptor
[436]	1822	cxy_t client_cxy = GET_CXY( xp );
	1823	rpc_desc_t * desc = GET_PTR( xp );
[1]	1824
	1825	// get input argument "process" & "vpn" from client RPC descriptor
[564]	1826	process = (process_t *)(intptr_t)hal_remote_l64( XPTR( client_cxy , &desc->args[0] ) );
	1827	vpn = (vpn_t) hal_remote_l64( XPTR( client_cxy , &desc->args[1] ) );
	1828	cow = (bool_t) hal_remote_l64( XPTR( client_cxy , &desc->args[2] ) );
[1]	1829
	1830	// call local kernel function
[407]	1831	error = vmm_get_pte( process , vpn , cow , &attr , &ppn );
[1]	1832
	1833	// set output argument "attr" & "ppn" to client RPC descriptor
[564]	1834	hal_remote_s64( XPTR( client_cxy , &desc->args[3] ) , (uint64_t)attr );
	1835	hal_remote_s64( XPTR( client_cxy , &desc->args[4] ) , (uint64_t)ppn );
	1836	hal_remote_s64( XPTR( client_cxy , &desc->args[5] ) , (uint64_t)error );
[296]	1837
[440]	1838	#if DEBUG_RPC_VMM_GET_PTE
	1839	cycle = (uint32_t)hal_get_cycles();
	1840	if( cycle > DEBUG_RPC_VMM_GET_PTE )
[564]	1841	printk("\n[DBG] %s : thread %x in process %x on core %d exit / cycle %d\n",
	1842	__FUNCTION__, this->trdid, this->process->pid, this->core->lid , cycle );
[440]	1843	#endif
[1]	1844	}
	1845
	1846	/////////////////////////////////////////////////////////////////////////////////////////
[409]	1847	// [22] Marshaling functions attached to RPC_KCM_ALLOC (blocking)
[1]	1848	/////////////////////////////////////////////////////////////////////////////////////////
	1849
[23]	1850	//////////////////////////////////////////
	1851	void rpc_kcm_alloc_client( cxy_t cxy,
	1852	uint32_t kmem_type, // in
	1853	xptr_t * buf_xp ) // out
[1]	1854	{
[564]	1855	#if DEBUG_RPC_KCM_ALLOC
	1856	thread_t * this = CURRENT_THREAD;
	1857	uint32_t cycle = (uint32_t)hal_get_cycles();
	1858	if( cycle > DEBUG_RPC_KCM_ALLOC )
	1859	printk("\n[DBG] %s : thread %x in process %x on core %d enter / cycle %d\n",
	1860	__FUNCTION__, this->trdid, this->process->pid, this->core->lid , cycle );
	1861	#endif
	1862
[492]	1863	assert( (cxy != local_cxy) , "target cluster is not remote\n");
[1]	1864
	1865	// initialise RPC descriptor header
	1866	rpc_desc_t rpc;
[441]	1867	rpc.index = RPC_KCM_ALLOC;
[416]	1868	rpc.blocking = true;
[438]	1869	rpc.responses = 1;
[1]	1870
[23]	1871	// set input arguments in RPC descriptor
	1872	rpc.args[0] = (uint64_t)kmem_type;
	1873
[436]	1874	// register RPC request in remote RPC fifo
[416]	1875	rpc_send( cxy , &rpc );
[1]	1876
	1877	// get output arguments from RPC descriptor
[23]	1878	*buf_xp = (xptr_t)rpc.args[1];
[279]	1879
[564]	1880	#if DEBUG_RPC_KCM_ALLOC
	1881	cycle = (uint32_t)hal_get_cycles();
	1882	if( cycle > DEBUG_RPC_KCM_ALLOC )
	1883	printk("\n[DBG] %s : thread %x in process %x on core %d exit / cycle %d\n",
	1884	__FUNCTION__, this->trdid, this->process->pid, this->core->lid , cycle );
	1885	#endif
[1]	1886	}
	1887
[23]	1888	//////////////////////////////////////
	1889	void rpc_kcm_alloc_server( xptr_t xp )
[1]	1890	{
[564]	1891	#if DEBUG_RPC_KCM_ALLOC
	1892	thread_t * this = CURRENT_THREAD;
	1893	uint32_t cycle = (uint32_t)hal_get_cycles();
	1894	if( cycle > DEBUG_RPC_KCM_ALLOC )
	1895	printk("\n[DBG] %s : thread %x in process %x on core %d enter / cycle %d\n",
	1896	__FUNCTION__, this->trdid, this->process->pid, this->core->lid , cycle );
	1897	#endif
	1898
[1]	1899	// get client cluster identifier and pointer on RPC descriptor
[436]	1900	cxy_t client_cxy = GET_CXY( xp );
[438]	1901	rpc_desc_t * desc = GET_PTR( xp );
[1]	1902
[23]	1903	// get input argument "kmem_type" from client RPC descriptor
[564]	1904	uint32_t kmem_type = (uint32_t)hal_remote_l64( XPTR( client_cxy , &desc->args[0] ) );
[23]	1905
	1906	// allocates memory for kcm
[1]	1907	kmem_req_t req;
[23]	1908	req.type = kmem_type;
[1]	1909	req.flags = AF_ZERO;
[23]	1910	void * buf_ptr = kmem_alloc( &req );
[1]	1911
	1912	// set output argument
[23]	1913	xptr_t buf_xp = XPTR( local_cxy , buf_ptr );
[564]	1914	hal_remote_s64( XPTR( client_cxy , &desc->args[1] ) , (uint64_t)buf_xp );
[296]	1915
[564]	1916	#if DEBUG_RPC_KCM_ALLOC
	1917	cycle = (uint32_t)hal_get_cycles();
	1918	if( cycle > DEBUG_RPC_KCM_ALLOC )
	1919	printk("\n[DBG] %s : thread %x in process %x on core %d exit / cycle %d\n",
	1920	__FUNCTION__, this->trdid, this->process->pid, this->core->lid , cycle );
	1921	#endif
[1]	1922	}
	1923
	1924	/////////////////////////////////////////////////////////////////////////////////////////
[409]	1925	// [23] Marshaling functions attached to RPC_KCM_FREE (blocking)
[1]	1926	/////////////////////////////////////////////////////////////////////////////////////////
	1927
[23]	1928	/////////////////////////////////////////
	1929	void rpc_kcm_free_client( cxy_t cxy,
	1930	void * buf, // in
	1931	uint32_t kmem_type ) // in
[1]	1932	{
[564]	1933	#if DEBUG_RPC_KCM_FREE
	1934	thread_t * this = CURRENT_THREAD;
	1935	uint32_t cycle = (uint32_t)hal_get_cycles();
	1936	if( cycle > DEBUG_RPC_KCM_FREE )
	1937	printk("\n[DBG] %s : thread %x in process %x on core %d enter / cycle %d\n",
	1938	__FUNCTION__, this->trdid, this->process->pid, this->core->lid , cycle );
	1939	#endif
	1940
[492]	1941	assert( (cxy != local_cxy) , "target cluster is not remote\n");
[1]	1942
	1943	// initialise RPC descriptor header
	1944	rpc_desc_t rpc;
[441]	1945	rpc.index = RPC_KCM_FREE;
[416]	1946	rpc.blocking = true;
[438]	1947	rpc.responses = 1;
[1]	1948
	1949	// set input arguments in RPC descriptor
[23]	1950	rpc.args[0] = (uint64_t)(intptr_t)buf;
	1951	rpc.args[1] = (uint64_t)kmem_type;
[1]	1952
[436]	1953	// register RPC request in remote RPC fifo
[416]	1954	rpc_send( cxy , &rpc );
[279]	1955
[564]	1956	#if DEBUG_RPC_KCM_FREE
	1957	cycle = (uint32_t)hal_get_cycles();
	1958	if( cycle > DEBUG_RPC_KCM_FREE )
	1959	printk("\n[DBG] %s : thread %x in process %x on core %d exit / cycle %d\n",
	1960	__FUNCTION__, this->trdid, this->process->pid, this->core->lid , cycle );
	1961	#endif
[1]	1962	}
	1963
[23]	1964	/////////////////////////////////////
	1965	void rpc_kcm_free_server( xptr_t xp )
[1]	1966	{
[564]	1967	#if DEBUG_RPC_KCM_FREE
	1968	thread_t * this = CURRENT_THREAD;
	1969	uint32_t cycle = (uint32_t)hal_get_cycles();
	1970	if( cycle > DEBUG_RPC_KCM_FREE )
	1971	printk("\n[DBG] %s : thread %x in process %x on core %d enter / cycle %d\n",
	1972	__FUNCTION__, this->trdid, this->process->pid, this->core->lid , cycle );
	1973	#endif
	1974
[1]	1975	// get client cluster identifier and pointer on RPC descriptor
[436]	1976	cxy_t client_cxy = GET_CXY( xp );
[438]	1977	rpc_desc_t * desc = GET_PTR( xp );
[1]	1978
[23]	1979	// get input arguments "buf" and "kmem_type" from client RPC descriptor
[564]	1980	void * buf = (void *)(intptr_t)hal_remote_l64( XPTR( client_cxy , &desc->args[0] ) );
	1981	uint32_t kmem_type = (uint32_t)hal_remote_l64( XPTR( client_cxy , &desc->args[1] ) );
[1]	1982
	1983	// releases memory
	1984	kmem_req_t req;
[23]	1985	req.type = kmem_type;
	1986	req.ptr = buf;
	1987	kmem_free( &req );
[296]	1988
[564]	1989	#if DEBUG_RPC_KCM_FREE
	1990	cycle = (uint32_t)hal_get_cycles();
	1991	if( cycle > DEBUG_RPC_KCM_FREE )
	1992	printk("\n[DBG] %s : thread %x in process %x on core %d exit / cycle %d\n",
	1993	__FUNCTION__, this->trdid, this->process->pid, this->core->lid , cycle );
	1994	#endif
[1]	1995	}
	1996
	1997	/////////////////////////////////////////////////////////////////////////////////////////
[265]	1998	// [24] Marshaling functions attached to RPC_MAPPER_MOVE_BUFFER
[1]	1999	/////////////////////////////////////////////////////////////////////////////////////////
	2000
[265]	2001	///////////////////////////////////////////////////
	2002	void rpc_mapper_move_buffer_client( cxy_t cxy,
	2003	mapper_t * mapper, // in
	2004	bool_t to_buffer, // in
	2005	bool_t is_user, // in
	2006	uint32_t file_offset, // in
[313]	2007	uint64_t buffer, // in
[265]	2008	uint32_t size, // in
	2009	error_t * error ) // out
[1]	2010	{
[492]	2011	assert( (cxy != local_cxy) , "target cluster is not remote\n");
[1]	2012
	2013	// initialise RPC descriptor header
	2014	rpc_desc_t rpc;
[265]	2015	rpc.index = RPC_MAPPER_MOVE_BUFFER;
[416]	2016	rpc.blocking = true;
[438]	2017	rpc.responses = 1;
[1]	2018
	2019	// set input arguments in RPC descriptor
	2020	rpc.args[0] = (uint64_t)(intptr_t)mapper;
[23]	2021	rpc.args[1] = (uint64_t)to_buffer;
[265]	2022	rpc.args[2] = (uint64_t)is_user;
	2023	rpc.args[3] = (uint64_t)file_offset;
[313]	2024	rpc.args[4] = (uint64_t)buffer;
[265]	2025	rpc.args[5] = (uint64_t)size;
[1]	2026
[436]	2027	// register RPC request in remote RPC fifo
[416]	2028	rpc_send( cxy , &rpc );
[1]	2029
[23]	2030	// get output values from RPC descriptor
[265]	2031	*error = (error_t)rpc.args[6];
[279]	2032
[1]	2033	}
	2034
[265]	2035	///////////////////////////////////////////////
	2036	void rpc_mapper_move_buffer_server( xptr_t xp )
[1]	2037	{
[23]	2038	mapper_t * mapper;
[265]	2039	bool_t to_buffer;
	2040	bool_t is_user;
[23]	2041	uint32_t file_offset;
[313]	2042	void * user_buffer;
	2043	xptr_t kern_buffer;
[23]	2044	uint32_t size;
	2045	error_t error;
[1]	2046
	2047	// get client cluster identifier and pointer on RPC descriptor
[436]	2048	cxy_t client_cxy = GET_CXY( xp );
	2049	rpc_desc_t * desc = GET_PTR( xp );
[1]	2050
[23]	2051	// get arguments from client RPC descriptor
[564]	2052	mapper = (mapper_t *)(intptr_t)hal_remote_l64( XPTR( client_cxy , &desc->args[0] ) );
	2053	to_buffer = hal_remote_l64( XPTR( client_cxy , &desc->args[1] ) );
	2054	is_user = hal_remote_l64( XPTR( client_cxy , &desc->args[2] ) );
	2055	file_offset = hal_remote_l64( XPTR( client_cxy , &desc->args[3] ) );
	2056	size = hal_remote_l64( XPTR( client_cxy , &desc->args[5] ) );
[1]	2057
[23]	2058	// call local kernel function
[313]	2059	if( is_user )
	2060	{
[564]	2061	user_buffer = (void *)(intptr_t)hal_remote_l64( XPTR( client_cxy , &desc->args[4] ) );
[1]	2062
[315]	2063	error = mapper_move_user( mapper,
	2064	to_buffer,
	2065	file_offset,
	2066	user_buffer,
	2067	size );
[313]	2068	}
	2069	else
	2070	{
[564]	2071	kern_buffer = (xptr_t)hal_remote_l64( XPTR( client_cxy , &desc->args[4] ) );
[313]	2072
[315]	2073	error = mapper_move_kernel( mapper,
	2074	to_buffer,
	2075	file_offset,
	2076	kern_buffer,
	2077	size );
[313]	2078	}
	2079
[23]	2080	// set output argument to client RPC descriptor
[564]	2081	hal_remote_s64( XPTR( client_cxy , &desc->args[6] ) , (uint64_t)error );
[296]	2082
[1]	2083	}
	2084
[313]	2085	/////////////////////////////////////////////////////////////////////////////////////////
[409]	2086	// [25] Marshaling functions attached to RPC_MAPPER_GET_PAGE (blocking)
[313]	2087	/////////////////////////////////////////////////////////////////////////////////////////
	2088
	2089	///////////////////////////////////////////////////////
	2090	void rpc_mapper_get_page_client( cxy_t cxy,
	2091	struct mapper_s * mapper, // in
	2092	uint32_t index, // in
	2093	page_t ** page ) // out
	2094	{
[492]	2095	assert( (cxy != local_cxy) , "target cluster is not remote\n");
[313]	2096
	2097	// initialise RPC descriptor header
	2098	rpc_desc_t rpc;
	2099	rpc.index = RPC_MAPPER_GET_PAGE;
[416]	2100	rpc.blocking = true;
[438]	2101	rpc.responses = 1;
[313]	2102
	2103	// set input arguments in RPC descriptor
	2104	rpc.args[0] = (uint64_t)(intptr_t)mapper;
	2105	rpc.args[1] = (uint64_t)index;
	2106
[436]	2107	// register RPC request in remote RPC fifo
[416]	2108	rpc_send( cxy , &rpc );
[313]	2109
	2110	// get output values from RPC descriptor
	2111	page = (page_t )(intptr_t)rpc.args[2];
	2112
	2113	}
	2114
	2115	////////////////////////////////////////////
	2116	void rpc_mapper_get_page_server( xptr_t xp )
	2117	{
	2118	// get client cluster identifier and pointer on RPC descriptor
[436]	2119	cxy_t cxy = GET_CXY( xp );
	2120	rpc_desc_t * desc = GET_PTR( xp );
[313]	2121
	2122	// get input arguments from client RPC descriptor
[564]	2123	mapper_t * mapper = (mapper_t *)(intptr_t)hal_remote_l64( XPTR( cxy , &desc->args[0] ) );
	2124	uint32_t index = (uint32_t) hal_remote_l64( XPTR( cxy , &desc->args[1] ) );
[313]	2125
	2126	// call local pmem allocator
	2127	page_t * page = mapper_get_page( mapper , index );
	2128
	2129	// set output arguments into client RPC descriptor
[564]	2130	hal_remote_s64( XPTR( cxy , &desc->args[1] ) , (uint64_t)(intptr_t)page );
[313]	2131
	2132	}
	2133
[407]	2134	/////////////////////////////////////////////////////////////////////////////////////////
[409]	2135	// [26] Marshaling functions attached to RPC_VMM_CREATE_VSEG (blocking)
[407]	2136	/////////////////////////////////////////////////////////////////////////////////////////
[313]	2137
[407]	2138	////////////////////////////////////////////////////////
	2139	void rpc_vmm_create_vseg_client( cxy_t cxy,
	2140	struct process_s * process,
	2141	vseg_type_t type,
	2142	intptr_t base,
	2143	uint32_t size,
	2144	uint32_t file_offset,
	2145	uint32_t file_size,
	2146	xptr_t mapper_xp,
	2147	cxy_t vseg_cxy,
	2148	struct vseg_s ** vseg )
	2149	{
[492]	2150	assert( (cxy != local_cxy) , "target cluster is not remote\n");
[407]	2151
	2152	// initialise RPC descriptor header
	2153	rpc_desc_t rpc;
	2154	rpc.index = RPC_VMM_CREATE_VSEG;
[416]	2155	rpc.blocking = true;
[438]	2156	rpc.responses = 1;
[407]	2157
	2158	// set input arguments in RPC descriptor
	2159	rpc.args[0] = (uint64_t)(intptr_t)process;
	2160	rpc.args[1] = (uint64_t)type;
	2161	rpc.args[2] = (uint64_t)base;
	2162	rpc.args[3] = (uint64_t)size;
	2163	rpc.args[4] = (uint64_t)file_offset;
	2164	rpc.args[5] = (uint64_t)file_size;
	2165	rpc.args[6] = (uint64_t)mapper_xp;
	2166	rpc.args[7] = (uint64_t)vseg_cxy;
	2167
[436]	2168	// register RPC request in remote RPC fifo
[416]	2169	rpc_send( cxy , &rpc );
[407]	2170
	2171	// get output values from RPC descriptor
	2172	vseg = (vseg_t )(intptr_t)rpc.args[8];
	2173
	2174	}
	2175
	2176	////////////////////////////////////////////
	2177	void rpc_vmm_create_vseg_server( xptr_t xp )
	2178	{
	2179	// get client cluster identifier and pointer on RPC descriptor
[436]	2180	cxy_t cxy = GET_CXY( xp );
	2181	rpc_desc_t * desc = GET_PTR( xp );
[407]	2182
	2183	// get input arguments from client RPC descriptor
[564]	2184	process_t * process = (process_t *)(intptr_t)hal_remote_l64( XPTR(cxy , &desc->args[0]));
	2185	vseg_type_t type = (vseg_type_t)(uint32_t)hal_remote_l64( XPTR(cxy , &desc->args[1]));
	2186	intptr_t base = (intptr_t) hal_remote_l64( XPTR(cxy , &desc->args[2]));
	2187	uint32_t size = (uint32_t) hal_remote_l64( XPTR(cxy , &desc->args[3]));
	2188	uint32_t file_offset = (uint32_t) hal_remote_l64( XPTR(cxy , &desc->args[4]));
	2189	uint32_t file_size = (uint32_t) hal_remote_l64( XPTR(cxy , &desc->args[5]));
	2190	xptr_t mapper_xp = (xptr_t) hal_remote_l64( XPTR(cxy , &desc->args[6]));
	2191	cxy_t vseg_cxy = (cxy_t)(uint32_t) hal_remote_l64( XPTR(cxy , &desc->args[7]));
[407]	2192
	2193	// call local kernel function
	2194	vseg_t * vseg = vmm_create_vseg( process,
	2195	type,
	2196	base,
	2197	size,
	2198	file_offset,
	2199	file_size,
	2200	mapper_xp,
	2201	vseg_cxy );
	2202
	2203	// set output arguments into client RPC descriptor
[564]	2204	hal_remote_s64( XPTR( cxy , &desc->args[8] ) , (uint64_t)(intptr_t)vseg );
[407]	2205
	2206	}
	2207
	2208	/////////////////////////////////////////////////////////////////////////////////////////
[450]	2209	// [27] undefined slot
[407]	2210	/////////////////////////////////////////////////////////////////////////////////////////
	2211
[408]	2212	/////////////////////////////////////////////////////////////////////////////////////////
[409]	2213	// [28] Marshaling functions attached to RPC_VMM_SET_COW (blocking)
[408]	2214	/////////////////////////////////////////////////////////////////////////////////////////
	2215
	2216	/////////////////////////////////////////////
	2217	void rpc_vmm_set_cow_client( cxy_t cxy,
	2218	process_t * process )
	2219	{
[492]	2220	assert( (cxy != local_cxy) , "target cluster is not remote\n");
[408]	2221
	2222	// initialise RPC descriptor header
	2223	rpc_desc_t rpc;
	2224	rpc.index = RPC_VMM_SET_COW;
[416]	2225	rpc.blocking = true;
[438]	2226	rpc.responses = 1;
[408]	2227
	2228	// set input arguments in RPC descriptor
	2229	rpc.args[0] = (uint64_t)(intptr_t)process;
	2230
[436]	2231	// register RPC request in remote RPC fifo
[416]	2232	rpc_send( cxy , &rpc );
[408]	2233
	2234	}
	2235
	2236	////////////////////////////////////////
	2237	void rpc_vmm_set_cow_server( xptr_t xp )
	2238	{
	2239	process_t * process;
	2240
	2241	// get client cluster identifier and pointer on RPC descriptor
[436]	2242	cxy_t cxy = GET_CXY( xp );
	2243	rpc_desc_t * desc = GET_PTR( xp );
[408]	2244
	2245	// get input arguments from client RPC descriptor
[564]	2246	process = (process_t *)(intptr_t)hal_remote_l64( XPTR(cxy , &desc->args[0]));
[408]	2247
	2248	// call local kernel function
	2249	vmm_set_cow( process );
	2250
	2251	}
	2252
[428]	2253	/////////////////////////////////////////////////////////////////////////////////////////
	2254	// [29] Marshaling functions attached to RPC_VMM_DISPLAY (blocking)
	2255	/////////////////////////////////////////////////////////////////////////////////////////
[1]	2256
[428]	2257	/////////////////////////////////////////////
	2258	void rpc_vmm_display_client( cxy_t cxy,
	2259	process_t * process,
	2260	bool_t detailed )
	2261	{
[492]	2262	assert( (cxy != local_cxy) , "target cluster is not remote\n");
[428]	2263
	2264	// initialise RPC descriptor header
	2265	rpc_desc_t rpc;
	2266	rpc.index = RPC_VMM_DISPLAY;
	2267	rpc.blocking = true;
[438]	2268	rpc.responses = 1;
[428]	2269
	2270	// set input arguments in RPC descriptor
	2271	rpc.args[0] = (uint64_t)(intptr_t)process;
	2272	rpc.args[1] = (uint64_t)detailed;
	2273
[436]	2274	// register RPC request in remote RPC fifo
[428]	2275	rpc_send( cxy , &rpc );
	2276
	2277	}
	2278
	2279	////////////////////////////////////////
	2280	void rpc_vmm_display_server( xptr_t xp )
	2281	{
	2282	process_t * process;
	2283	bool_t detailed;
	2284
	2285	// get client cluster identifier and pointer on RPC descriptor
[436]	2286	cxy_t cxy = GET_CXY( xp );
	2287	rpc_desc_t * desc = GET_PTR( xp );
[428]	2288
	2289	// get input arguments from client RPC descriptor
[564]	2290	process = (process_t *)(intptr_t)hal_remote_l64( XPTR(cxy , &desc->args[0]));
	2291	detailed = (bool_t) hal_remote_l64( XPTR(cxy , &desc->args[1]));
[428]	2292
	2293	// call local kernel function
	2294	vmm_display( process , detailed );
	2295
	2296	}
	2297
	2298

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