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source: trunk/kernel/kern/rpc.c @ 586

Last change on this file since 586 was 583, checked in by alain, 6 years ago
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File size: 84.9 KB

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[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
[583]	74	&rpc_vmm_global_update_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
[583]	110	"GLOBAL_UPDATE_PTE", // 21
[564]	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	/***************************************************************************************/
[583]	128	/********** Generic function supporting RPCs : client side *************************/
[409]	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
[581]	144	// check calling thread can yield when client thread is not the IDLE thread
	145	// RPCs executed by the IDLE thread during kernel_init do not deschedule
	146	if( this->type != THREAD_IDLE ) thread_assert_can_yield( this , __FUNCTION__ );
[564]	147
[440]	148	// select a server_core : use client core index if possible / core 0 otherwise
[564]	149	if( client_core_lid < hal_remote_l32( XPTR( server_cxy , &LOCAL_CLUSTER->cores_nr ) ) )
[438]	150	{
	151	server_core_lid = client_core_lid;
	152	}
	153	else
	154	{
	155	server_core_lid = 0;
	156	}
	157
[583]	158	// register client_thread and client_core in RPC descriptor
[436]	159	rpc->thread = this;
[438]	160	rpc->lid = client_core_lid;
[409]	161
[438]	162	// build extended pointer on the RPC descriptor
[409]	163	xptr_t desc_xp = XPTR( local_cxy , rpc );
	164
[436]	165	// get local pointer on rpc_fifo in remote cluster,
[564]	166	remote_fifo_t * rpc_fifo = &LOCAL_CLUSTER->rpc_fifo[server_core_lid];
	167	xptr_t rpc_fifo_xp = XPTR( server_cxy , rpc_fifo );
[409]	168
[564]	169	// post RPC in remote fifo / deschedule without blocking if fifo full
[409]	170	do
	171	{
[564]	172	full = remote_fifo_put_item( rpc_fifo_xp , (uint64_t )desc_xp );
	173
[436]	174	if ( full )
[409]	175	{
	176	printk("\n[WARNING] %s : cluster %x cannot post RPC to cluster %x\n",
	177	__FUNCTION__ , local_cxy , server_cxy );
	178
[436]	179	// deschedule without blocking
	180	sched_yield("RPC fifo full");
[409]	181	}
	182	}
[436]	183	while( full );
[409]	184
	185	hal_fence();
[457]	186
	187	#if DEBUG_RPC_CLIENT_GENERIC
[583]	188	uint32_t cycle = (uint32_t)hal_get_cycles();
[564]	189	uint32_t items = remote_fifo_items( rpc_fifo_xp );
[457]	190	if( DEBUG_RPC_CLIENT_GENERIC < cycle )
[583]	191	printk("\n[DBG] %s : thread %x in process %x / rpc %s / server[%x,%d] / items %d / cycle %d\n",
	192	__FUNCTION__, this->trdid, this->process->pid, rpc_str[rpc->index],
	193	server_cxy, server_core_lid, items, cycle );
[457]	194	#endif
[409]	195
[457]	196	// send IPI to the selected server core
	197	dev_pic_send_ipi( server_cxy , server_core_lid );
[409]	198
[564]	199	// wait RPC completion before returning if blocking RPC :
[581]	200	// - descheduling without blocking if thread idle (in kernel init)
[564]	201	// - block and deschedule policy for any other thread
[416]	202	if ( rpc->blocking )
[409]	203	{
[564]	204	if( this->type == THREAD_IDLE ) // deschedule without blocking policy
[409]	205	{
[564]	206
[438]	207	#if DEBUG_RPC_CLIENT_GENERIC
[436]	208	cycle = (uint32_t)hal_get_cycles();
[438]	209	if( DEBUG_RPC_CLIENT_GENERIC < cycle )
[564]	210	printk("\n[DBG] %s : thread %x in process %x enter waiting loop for rpc %s / cycle %d\n",
	211	__FUNCTION__, this->trdid, this->process->pid, rpc_str[rpc->index], cycle );
[436]	212	#endif
[409]	213
[564]	214	while( rpc->responses ) sched_yield( "busy waiting on RPC");
[409]	215
[438]	216	#if DEBUG_RPC_CLIENT_GENERIC
[436]	217	cycle = (uint32_t)hal_get_cycles();
[438]	218	if( DEBUG_RPC_CLIENT_GENERIC < cycle )
[564]	219	printk("\n[DBG] %s : thread %x in process %x received response for rpc %s / cycle %d\n",
	220	__FUNCTION__, this->trdid, this->process->pid, rpc_str[rpc->index], cycle );
[436]	221	#endif
[564]	222
	223	}
	224	else // block and deschedule policy
[409]	225	{
	226
[438]	227	#if DEBUG_RPC_CLIENT_GENERIC
[436]	228	cycle = (uint32_t)hal_get_cycles();
[438]	229	if( DEBUG_RPC_CLIENT_GENERIC < cycle )
[564]	230	printk("\n[DBG] %s : thread %x in process %x blocks & deschedules for rpc %s / cycle %d\n",
	231	__FUNCTION__, this->trdid, this->process->pid, rpc_str[rpc->index], cycle );
[436]	232	#endif
[409]	233
[564]	234	// block client thread
	235	thread_block( XPTR( local_cxy , this ) , THREAD_BLOCKED_RPC );
	236
	237	// deschedule
	238	sched_yield("blocked on RPC");
	239
[438]	240	#if DEBUG_RPC_CLIENT_GENERIC
[436]	241	cycle = (uint32_t)hal_get_cycles();
[438]	242	if( DEBUG_RPC_CLIENT_GENERIC < cycle )
[564]	243	printk("\n[DBG] %s : thread %x in process %x resumes for rpc %s / cycle %d\n",
	244	__FUNCTION__, this->trdid, this->process->pid, rpc_str[rpc->index], cycle );
[436]	245	#endif
[409]	246	}
	247
[564]	248	// response must be available for a blocking RPC
	249	assert( (rpc->responses == 0) , "illegal response for RPC %s\n", rpc_str[rpc->index] );
	250
[409]	251	}
[564]	252	else // non blocking RPC
[436]	253	{
	254
[438]	255	#if DEBUG_RPC_CLIENT_GENERIC
[436]	256	cycle = (uint32_t)hal_get_cycles();
[438]	257	if( DEBUG_RPC_CLIENT_GENERIC < cycle )
[564]	258	printk("\n[DBG] %s : thread %x in process %x returns for non blocking rpc %s / cycle %d\n",
	259	__FUNCTION__, this->trdid, this->process->pid, rpc_str[rpc->index], cycle );
[436]	260	#endif
	261
	262	}
[409]	263	} // end rpc_send()
	264
	265
	266	/***************************************************************************************/
	267	/********** Generic functions supporting RPCs : server side ************************/
	268	/***************************************************************************************/
	269
[564]	270	////////////////////////////
[485]	271	void rpc_thread_func( void )
[409]	272	{
[440]	273	error_t empty; // local RPC fifo state
	274	xptr_t desc_xp; // extended pointer on RPC request
	275	cxy_t desc_cxy; // RPC request cluster (client)
	276	rpc_desc_t * desc_ptr; // RPC request local pointer
	277	uint32_t index; // RPC request index
	278	thread_t * client_ptr; // local pointer on client thread
	279	thread_t * server_ptr; // local pointer on server thread
	280	xptr_t server_xp; // extended pointer on server thread
	281	lid_t client_core_lid; // local index of client core
	282	lid_t server_core_lid; // local index of server core
	283	bool_t blocking; // blocking RPC when true
	284	remote_fifo_t * rpc_fifo; // local pointer on RPC fifo
[409]	285
	286	// makes RPC thread not preemptable
	287	hal_disable_irq( NULL );
	288
[440]	289	server_ptr = CURRENT_THREAD;
	290	server_xp = XPTR( local_cxy , server_ptr );
	291	server_core_lid = server_ptr->core->lid;
	292	rpc_fifo = &LOCAL_CLUSTER->rpc_fifo[server_core_lid];
[409]	293
[564]	294	// "infinite" RPC thread loop
	295	while(1)
[409]	296	{
	297	// try to take RPC_FIFO ownership
[564]	298	if( hal_atomic_test_set( &rpc_fifo->owner , server_ptr->trdid ) )
[409]	299	{
[436]	300
[438]	301	#if DEBUG_RPC_SERVER_GENERIC
[436]	302	uint32_t cycle = (uint32_t)hal_get_cycles();
[438]	303	if( DEBUG_RPC_SERVER_GENERIC < cycle )
[564]	304	printk("\n[DBG] %s : RPC thread %x on core[%d] takes RPC_FIFO ownership / cycle %d\n",
	305	__FUNCTION__, server_ptr->trdid, server_core_lid, cycle );
[436]	306	#endif
[564]	307	// try to consume one RPC request
	308	empty = remote_fifo_get_item( rpc_fifo , (uint64_t *)&desc_xp );
	309
	310	// release RPC_FIFO ownership
	311	rpc_fifo->owner = 0;
	312
	313	// handle RPC request if success
	314	if ( empty == 0 )
[409]	315	{
[564]	316	// get client cluster and pointer on RPC descriptor
	317	desc_cxy = GET_CXY( desc_xp );
	318	desc_ptr = GET_PTR( desc_xp );
[409]	319
[564]	320	index = hal_remote_l32( XPTR( desc_cxy , &desc_ptr->index ) );
	321	blocking = hal_remote_l32( XPTR( desc_cxy , &desc_ptr->blocking ) );
[409]	322
[438]	323	#if DEBUG_RPC_SERVER_GENERIC
[436]	324	cycle = (uint32_t)hal_get_cycles();
[564]	325	uint32_t items = remote_fifo_items( XPTR( local_cxy , rpc_fifo ) );
[438]	326	if( DEBUG_RPC_SERVER_GENERIC < cycle )
[564]	327	printk("\n[DBG] %s : RPC thread %x got rpc %s / client_cxy %x / items %d / cycle %d\n",
	328	__FUNCTION__, server_ptr->trdid, rpc_str[index], desc_cxy, items, cycle );
[436]	329	#endif
[564]	330	// call the relevant server function
	331	rpc_server[index]( desc_xp );
[409]	332
[438]	333	#if DEBUG_RPC_SERVER_GENERIC
[436]	334	cycle = (uint32_t)hal_get_cycles();
[438]	335	if( DEBUG_RPC_SERVER_GENERIC < cycle )
[564]	336	printk("\n[DBG] %s : RPC thread %x completes rpc %s / client_cxy %x / cycle %d\n",
	337	__FUNCTION__, server_ptr->trdid, rpc_str[index], desc_cxy, cycle );
[436]	338	#endif
[564]	339	// decrement response counter in RPC descriptor if blocking RPC
	340	if( blocking )
	341	{
	342	// decrement responses counter in RPC descriptor
	343	hal_remote_atomic_add( XPTR( desc_cxy, &desc_ptr->responses ), -1 );
[409]	344
[564]	345	// get client thread pointer and client core lid from RPC descriptor
	346	client_ptr = hal_remote_lpt( XPTR( desc_cxy , &desc_ptr->thread ) );
	347	client_core_lid = hal_remote_l32 ( XPTR( desc_cxy , &desc_ptr->lid ) );
[438]	348
[564]	349	// unblock client thread
	350	thread_unblock( XPTR( desc_cxy , client_ptr ) , THREAD_BLOCKED_RPC );
[409]	351
[564]	352	hal_fence();
[409]	353
[438]	354	#if DEBUG_RPC_SERVER_GENERIC
	355	cycle = (uint32_t)hal_get_cycles();
	356	if( DEBUG_RPC_SERVER_GENERIC < cycle )
[564]	357	printk("\n[DBG] %s : RPC thread %x unblocked client thread %x / cycle %d\n",
	358	__FUNCTION__, server_ptr->trdid, client_ptr->trdid, cycle );
[438]	359	#endif
[564]	360	// send IPI to client core
	361	dev_pic_send_ipi( desc_cxy , client_core_lid );
[409]	362
[564]	363	} // end if blocking RPC
	364	} // end RPC handling if fifo non empty
	365	} // end if RPC_fIFO ownership successfully taken and released
[409]	366
[564]	367	// sucide if too many RPC threads
[440]	368	if( LOCAL_CLUSTER->rpc_threads[server_core_lid] >= CONFIG_RPC_THREADS_MAX )
[409]	369	{
	370
[438]	371	#if DEBUG_RPC_SERVER_GENERIC
[436]	372	uint32_t cycle = (uint32_t)hal_get_cycles();
[438]	373	if( DEBUG_RPC_SERVER_GENERIC < cycle )
[564]	374	printk("\n[DBG] %s : RPC thread %x suicides / cycle %d\n",
	375	__FUNCTION__, server_ptr->trdid, cycle );
[436]	376	#endif
[409]	377	// update RPC threads counter
[564]	378	hal_atomic_add( &LOCAL_CLUSTER->rpc_threads[server_core_lid] , -1 );
[409]	379
[440]	380	// RPC thread blocks on GLOBAL
	381	thread_block( server_xp , THREAD_BLOCKED_GLOBAL );
	382
	383	// RPC thread set the REQ_DELETE flag to suicide
	384	hal_remote_atomic_or( server_xp , THREAD_FLAG_REQ_DELETE );
[409]	385	}
[564]	386	// block and deschedule otherwise
[440]	387	else
	388	{
[409]	389
[438]	390	#if DEBUG_RPC_SERVER_GENERIC
[436]	391	uint32_t cycle = (uint32_t)hal_get_cycles();
[438]	392	if( DEBUG_RPC_SERVER_GENERIC < cycle )
[564]	393	printk("\n[DBG] %s : RPC thread %x block IDLE & deschedules / cycle %d\n",
	394	__FUNCTION__, server_ptr->trdid, cycle );
[436]	395	#endif
[564]	396	// RPC thread blocks on IDLE
	397	thread_block( server_xp , THREAD_BLOCKED_IDLE );
[409]	398
[440]	399	// RPC thread deschedules
[564]	400	sched_yield("RPC_FIFO empty");
[440]	401	}
[438]	402	} // end infinite loop
[409]	403	} // end rpc_thread_func()
	404
	405
[1]	406	/////////////////////////////////////////////////////////////////////////////////////////
[409]	407	// [0] Marshaling functions attached to RPC_PMEM_GET_PAGES (blocking)
[1]	408	/////////////////////////////////////////////////////////////////////////////////////////
	409
	410	///////////////////////////////////////////////
	411	void rpc_pmem_get_pages_client( cxy_t cxy,
	412	uint32_t order, // in
[313]	413	page_t ** page ) // out
[1]	414	{
[438]	415	#if DEBUG_RPC_PMEM_GET_PAGES
[564]	416	thread_t * this = CURRENT_THREAD;
[438]	417	uint32_t cycle = (uint32_t)hal_get_cycles();
	418	if( cycle > DEBUG_RPC_PMEM_GET_PAGES )
[564]	419	printk("\n[DBG] %s : thread %x in process %x on core %d enter / cycle %d\n",
	420	__FUNCTION__, this->trdid, this->process->pid, this->core->lid, cycle );
[438]	421	#endif
[296]	422
[492]	423	assert( (cxy != local_cxy) , "target cluster is not remote\n");
[1]	424
	425	// initialise RPC descriptor header
	426	rpc_desc_t rpc;
[438]	427	rpc.index = RPC_PMEM_GET_PAGES;
	428	rpc.blocking = true;
	429	rpc.responses = 1;
[1]	430
	431	// set input arguments in RPC descriptor
	432	rpc.args[0] = (uint64_t)order;
	433
[436]	434	// register RPC request in remote RPC fifo
[416]	435	rpc_send( cxy , &rpc );
[1]	436
[313]	437	// get output arguments from RPC descriptor
[407]	438	page = (page_t )(intptr_t)rpc.args[1];
[279]	439
[438]	440	#if DEBUG_RPC_PMEM_GET_PAGES
	441	cycle = (uint32_t)hal_get_cycles();
	442	if( cycle > DEBUG_RPC_PMEM_GET_PAGES )
[564]	443	printk("\n[DBG] %s : thread %x in process %x on core %d exit / cycle %d\n",
	444	__FUNCTION__, this->trdid, this->process->pid, this->core->lid, cycle );
[438]	445	#endif
[1]	446	}
	447
	448	///////////////////////////////////////////
	449	void rpc_pmem_get_pages_server( xptr_t xp )
	450	{
[438]	451	#if DEBUG_RPC_PMEM_GET_PAGES
[564]	452	thread_t * this = CURRENT_THREAD;
[438]	453	uint32_t cycle = (uint32_t)hal_get_cycles();
	454	if( cycle > DEBUG_RPC_PMEM_GET_PAGES )
[564]	455	printk("\n[DBG] %s : thread %x in process %x on core %d enter / cycle %d\n",
	456	__FUNCTION__, this->trdid, this->process->pid, this->core->lid, cycle );
[438]	457	#endif
[296]	458
[1]	459	// get client cluster identifier and pointer on RPC descriptor
[436]	460	cxy_t cxy = GET_CXY( xp );
	461	rpc_desc_t * desc = GET_PTR( xp );
[1]	462
	463	// get input arguments from client RPC descriptor
[564]	464	uint32_t order = (uint32_t)hal_remote_l64( XPTR( cxy , &desc->args[0] ) );
[1]	465
	466	// call local pmem allocator
	467	page_t * page = ppm_alloc_pages( order );
	468
	469	// set output arguments into client RPC descriptor
[564]	470	hal_remote_s64( XPTR( cxy , &desc->args[1] ) , (uint64_t)(intptr_t)page );
[296]	471
[438]	472	#if DEBUG_RPC_PMEM_GET_PAGES
	473	cycle = (uint32_t)hal_get_cycles();
	474	if( cycle > DEBUG_RPC_PMEM_GET_PAGES )
[564]	475	printk("\n[DBG] %s : thread %x in process %x on core %d exit / cycle %d\n",
	476	__FUNCTION__, this->trdid, this->process->pid, this->core->lid, cycle );
[438]	477	#endif
[1]	478	}
	479
	480	/////////////////////////////////////////////////////////////////////////////////////////
[409]	481	// [1] Marshaling functions attached to RPC_PMEM_RELEASE_PAGES (blocking)
[1]	482	/////////////////////////////////////////////////////////////////////////////////////////
	483
[409]	484	//////////////////////////////////////////////////
	485	void rpc_pmem_release_pages_client( cxy_t cxy,
	486	page_t * page ) // out
	487	{
[438]	488	#if DEBUG_RPC_PMEM_RELEASE_PAGES
[564]	489	thread_t * this = CURRENT_THREAD;
[438]	490	uint32_t cycle = (uint32_t)hal_get_cycles();
	491	if( cycle > DEBUG_RPC_PMEM_RELEASE_PAGES )
[564]	492	printk("\n[DBG] %s : thread %x in process %x on core %d enter / cycle %d\n",
	493	__FUNCTION__, this->trdid, this->process->pid, this->core->lid , cycle );
[438]	494	#endif
[409]	495
[492]	496	assert( (cxy != local_cxy) , "target cluster is not remote\n");
[409]	497
	498	// initialise RPC descriptor header
	499	rpc_desc_t rpc;
	500	rpc.index = RPC_PMEM_RELEASE_PAGES;
[416]	501	rpc.blocking = true;
[438]	502	rpc.responses = 1;
[409]	503
	504	// set input arguments in RPC descriptor
	505	rpc.args[0] = (uint64_t)(intptr_t)page;
	506
[436]	507	// register RPC request in remote RPC fifo
[416]	508	rpc_send( cxy , &rpc );
[409]	509
[438]	510	#if DEBUG_RPC_PMEM_RELEASE_PAGES
	511	cycle = (uint32_t)hal_get_cycles();
	512	if( cycle > DEBUG_RPC_PMEM_RELEASE_PAGES )
[564]	513	printk("\n[DBG] %s : thread %x in process %x on core %d exit / cycle %d\n",
	514	__FUNCTION__, this->trdid, this->process->pid, this->core->lid, cycle );
[438]	515	#endif
[409]	516	}
	517
	518	///////////////////////////////////////////////
	519	void rpc_pmem_release_pages_server( xptr_t xp )
	520	{
[438]	521	#if DEBUG_RPC_PMEM_RELEASE_PAGES
[564]	522	thread_t * this = CURRENT_THREAD;
[438]	523	uint32_t cycle = (uint32_t)hal_get_cycles();
	524	if( cycle > DEBUG_RPC_PMEM_RELEASE_PAGES )
[564]	525	printk("\n[DBG] %s : thread %x in process %x on core %d enter / cycle %d\n",
	526	__FUNCTION__, this->trdid, this->process->pid, this->core->lid , cycle );
[438]	527	#endif
[409]	528
	529	// get client cluster identifier and pointer on RPC descriptor
[436]	530	cxy_t cxy = GET_CXY( xp );
	531	rpc_desc_t * desc = GET_PTR( xp );
[409]	532
	533	// get input arguments from client RPC descriptor
[564]	534	page_t * page = (page_t *)(intptr_t)hal_remote_l64( XPTR( cxy , &desc->args[0] ) );
[409]	535
	536	// release memory to local pmem
	537	kmem_req_t req;
	538	req.type = KMEM_PAGE;
	539	req.ptr = page;
	540	kmem_free( &req );
	541
[438]	542	#if DEBUG_RPC_PMEM_RELEASE_PAGES
	543	cycle = (uint32_t)hal_get_cycles();
	544	if( cycle > DEBUG_RPC_PMEM_RELEASE_PAGES )
[564]	545	printk("\n[DBG] %s : thread %x in process %x on core %d exit / cycle %d\n",
	546	__FUNCTION__, this->trdid, this->process->pid, this->core->lid, cycle );
[438]	547	#endif
[409]	548	}
	549
	550	/////////////////////////////////////////////////////////////////////////////////////////
[433]	551	// [2] undefined slot
[409]	552	/////////////////////////////////////////////////////////////////////////////////////////
	553
[1]	554	/////////////////////////////////////////////////////////////////////////////////////////
[409]	555	// [3] Marshaling functions attached to RPC_PROCESS_MAKE_FORK (blocking)
[1]	556	/////////////////////////////////////////////////////////////////////////////////////////
	557
[408]	558	///////////////////////////////////////////////////
	559	void rpc_process_make_fork_client( cxy_t cxy,
	560	xptr_t ref_process_xp, // in
	561	xptr_t parent_thread_xp, // in
	562	pid_t * child_pid, // out
	563	thread_t ** child_thread_ptr, // out
	564	error_t * error ) // out
[1]	565	{
[438]	566	#if DEBUG_RPC_PROCESS_MAKE_FORK
[564]	567	thread_t * this = CURRENT_THREAD;
[438]	568	uint32_t cycle = (uint32_t)hal_get_cycles();
	569	if( cycle > DEBUG_RPC_PROCESS_MAKE_FORK )
[564]	570	printk("\n[DBG] %s : thread %x in process %x on core %d enter / cycle %d\n",
	571	__FUNCTION__, this->trdid, this->process->pid, this->core->lid , cycle );
[438]	572	#endif
	573
[492]	574	assert( (cxy != local_cxy) , "target cluster is not remote\n");
[1]	575
	576	// initialise RPC descriptor header
	577	rpc_desc_t rpc;
[408]	578	rpc.index = RPC_PROCESS_MAKE_FORK;
[416]	579	rpc.blocking = true;
[438]	580	rpc.responses = 1;
[1]	581
	582	// set input arguments in RPC descriptor
[440]	583	rpc.args[0] = (uint64_t)ref_process_xp;
	584	rpc.args[1] = (uint64_t)parent_thread_xp;
[1]	585
[436]	586	// register RPC request in remote RPC fifo
[416]	587	rpc_send( cxy , &rpc );
[1]	588
	589	// get output arguments from RPC descriptor
[408]	590	*child_pid = (pid_t)rpc.args[2];
	591	child_thread_ptr = (thread_t )(intptr_t)rpc.args[3];
	592	*error = (error_t)rpc.args[4];
[279]	593
[438]	594	#if DEBUG_RPC_PROCESS_MAKE_FORK
	595	cycle = (uint32_t)hal_get_cycles();
	596	if( cycle > DEBUG_RPC_PROCESS_MAKE_FORK )
[564]	597	printk("\n[DBG] %s : thread %x in process %x on core %d exit / cycle %d\n",
	598	__FUNCTION__, this->trdid, this->process->pid, this->core->lid, cycle );
[438]	599	#endif
[1]	600	}
	601
[408]	602	//////////////////////////////////////////////
	603	void rpc_process_make_fork_server( xptr_t xp )
[1]	604	{
[438]	605	#if DEBUG_RPC_PROCESS_MAKE_FORK
[564]	606	thread_t * this = CURRENT_THREAD;
[438]	607	uint32_t cycle = (uint32_t)hal_get_cycles();
	608	if( cycle > DEBUG_RPC_PROCESS_MAKE_FORK )
[564]	609	printk("\n[DBG] %s : thread %x in process %x on core %d enter / cycle %d\n",
	610	__FUNCTION__, this->trdid, this->process->pid, this->core->lid, cycle );
[438]	611	#endif
[409]	612
[408]	613	xptr_t ref_process_xp; // extended pointer on reference parent process
	614	xptr_t parent_thread_xp; // extended pointer on parent thread
	615	pid_t child_pid; // child process identifier
	616	thread_t * child_thread_ptr; // local copy of exec_info structure
	617	error_t error; // local error status
[1]	618
	619	// get client cluster identifier and pointer on RPC descriptor
[436]	620	cxy_t client_cxy = GET_CXY( xp );
	621	rpc_desc_t * desc = GET_PTR( xp );
[1]	622
[408]	623	// get input arguments from cient RPC descriptor
[564]	624	ref_process_xp = (xptr_t)hal_remote_l64( XPTR( client_cxy , &desc->args[0] ) );
	625	parent_thread_xp = (xptr_t)hal_remote_l64( XPTR( client_cxy , &desc->args[1] ) );
[1]	626
	627	// call local kernel function
[408]	628	error = process_make_fork( ref_process_xp,
	629	parent_thread_xp,
	630	&child_pid,
	631	&child_thread_ptr );
[1]	632
	633	// set output argument into client RPC descriptor
[564]	634	hal_remote_s64( XPTR( client_cxy , &desc->args[2] ) , (uint64_t)child_pid );
	635	hal_remote_s64( XPTR( client_cxy , &desc->args[3] ) , (uint64_t)(intptr_t)child_thread_ptr );
	636	hal_remote_s64( XPTR( client_cxy , &desc->args[4] ) , (uint64_t)error );
[296]	637
[438]	638	#if DEBUG_RPC_PROCESS_MAKE_FORK
	639	cycle = (uint32_t)hal_get_cycles();
	640	if( cycle > DEBUG_RPC_PROCESS_MAKE_FORK )
[564]	641	printk("\n[DBG] %s : thread %x in process %x on core %d exit / cycle %d\n",
	642	__FUNCTION__, this->trdid, this->process->pid, this->core->lid, cycle );
[438]	643	#endif
[1]	644	}
	645
	646	/////////////////////////////////////////////////////////////////////////////////////////
[433]	647	// [4] undefined slot
[1]	648	/////////////////////////////////////////////////////////////////////////////////////////
	649
[409]	650	/////////////////////////////////////////////////////////////////////////////////////////
[435]	651	// [5] undefined slot
[409]	652	/////////////////////////////////////////////////////////////////////////////////////////
	653
[1]	654	/////////////////////////////////////////////////////////////////////////////////////////
[436]	655	// [6] Marshaling functions attached to RPC_THREAD_USER_CREATE (blocking)
[1]	656	/////////////////////////////////////////////////////////////////////////////////////////
	657
	658	/////////////////////////////////////////////////////////
	659	void rpc_thread_user_create_client( cxy_t cxy,
[23]	660	pid_t pid, // in
	661	void * start_func, // in
	662	void * start_arg, // in
[1]	663	pthread_attr_t * attr, // in
	664	xptr_t * thread_xp, // out
	665	error_t * error ) // out
	666	{
[564]	667	#if DEBUG_RPC_THREAD_USER_CREATE
	668	thread_t * this = CURRENT_THREAD;
	669	uint32_t cycle = (uint32_t)hal_get_cycles();
	670	if( cycle > DEBUG_RPC_THREAD_USER_CREATE)
	671	printk("\n[DBG] %s : thread %x in process %x on core %d enter / cycle %d\n",
	672	__FUNCTION__, this->trdid, this->process->pid, this->core->lid, cycle );
	673	#endif
	674
[492]	675	assert( (cxy != local_cxy) , "target cluster is not remote\n");
[1]	676
	677	// initialise RPC descriptor header
	678	rpc_desc_t rpc;
[436]	679	rpc.index = RPC_THREAD_USER_CREATE;
[416]	680	rpc.blocking = true;
[438]	681	rpc.responses = 1;
[1]	682
	683	// set input arguments in RPC descriptor
[23]	684	rpc.args[0] = (uint64_t)pid;
	685	rpc.args[1] = (uint64_t)(intptr_t)start_func;
	686	rpc.args[2] = (uint64_t)(intptr_t)start_arg;
	687	rpc.args[3] = (uint64_t)(intptr_t)attr;
[1]	688
[436]	689	// register RPC request in remote RPC fifo
[416]	690	rpc_send( cxy , &rpc );
[1]	691
	692	// get output arguments from RPC descriptor
[23]	693	*thread_xp = (xptr_t)rpc.args[4];
	694	*error = (error_t)rpc.args[5];
[279]	695
[564]	696	#if DEBUG_RPC_THREAD_USER_CREATE
	697	cycle = (uint32_t)hal_get_cycles();
	698	if( cycle > DEBUG_RPC_THREAD_USER_CREATE)
	699	printk("\n[DBG] %s : thread %x in process %x on core %d exit / cycle %d\n",
	700	__FUNCTION__, this->trdid, this->process->pid, this->core->lid, cycle );
	701	#endif
[1]	702	}
	703
	704	///////////////////////////////////////////////
	705	void rpc_thread_user_create_server( xptr_t xp )
	706	{
[564]	707	#if DEBUG_RPC_THREAD_USER_CREATE
	708	thread_t * this = CURRENT_THREAD;
	709	uint32_t cycle = (uint32_t)hal_get_cycles();
	710	if( cycle > DEBUG_RPC_THREAD_USER_CREATE)
	711	printk("\n[DBG] %s : thread %x in process %x on core %d enter / cycle %d\n",
	712	__FUNCTION__, this->trdid, this->process->pid, this->core->lid, cycle );
	713	#endif
[409]	714
[1]	715	pthread_attr_t * attr_ptr; // pointer on attributes structure in client cluster
	716	pthread_attr_t attr_copy; // attributes structure copy in server cluster
	717	thread_t * thread_ptr; // local pointer on thread descriptor
	718	xptr_t thread_xp; // extended pointer on thread descriptor
[23]	719
[1]	720	pid_t pid; // process identifier
[23]	721	void * start_func;
	722	void * start_arg;
	723	error_t error;
[1]	724
	725	// get client cluster identifier and pointer on RPC descriptor
[436]	726	cxy_t client_cxy = GET_CXY( xp );
[438]	727	rpc_desc_t * desc = GET_PTR( xp );
[1]	728
	729	// get pointer on attributes structure in client cluster from RPC descriptor
	730
[23]	731	// get input arguments from RPC descriptor
[564]	732	pid = (pid_t) hal_remote_l64(XPTR(client_cxy , &desc->args[0]));
	733	start_func = (void *)(intptr_t) hal_remote_l64(XPTR(client_cxy , &desc->args[1]));
	734	start_arg = (void *)(intptr_t) hal_remote_l64(XPTR(client_cxy , &desc->args[2]));
	735	attr_ptr = (pthread_attr_t *)(intptr_t)hal_remote_l64(XPTR(client_cxy , &desc->args[3]));
[23]	736
[1]	737	// makes a local copy of attributes structure
	738	hal_remote_memcpy( XPTR( local_cxy , &attr_copy ),
	739	XPTR( client_cxy , attr_ptr ),
	740	sizeof(pthread_attr_t) );
	741
[23]	742	// call kernel function
	743	error = thread_user_create( pid,
	744	start_func,
	745	start_arg,
	746	&attr_copy,
	747	&thread_ptr );
[1]	748
	749	// set output arguments
	750	thread_xp = XPTR( local_cxy , thread_ptr );
[564]	751	hal_remote_s64( XPTR( client_cxy , &desc->args[4] ) , (uint64_t)thread_xp );
	752	hal_remote_s64( XPTR( client_cxy , &desc->args[5] ) , (uint64_t)error );
[296]	753
[564]	754	#if DEBUG_RPC_THREAD_USER_CREATE
	755	cycle = (uint32_t)hal_get_cycles();
	756	if( cycle > DEBUG_RPC_THREAD_USER_CREATE)
	757	printk("\n[DBG] %s : thread %x in process %x on core %d exit / cycle %d\n",
	758	__FUNCTION__, this->trdid, this->process->pid, this->core->lid, cycle );
	759	#endif
[1]	760	}
	761
	762	/////////////////////////////////////////////////////////////////////////////////////////
[436]	763	// [7] Marshaling functions attached to RPC_THREAD_KERNEL_CREATE (blocking)
[1]	764	/////////////////////////////////////////////////////////////////////////////////////////
	765
	766	////////////////////////////////////////////////////
	767	void rpc_thread_kernel_create_client( cxy_t cxy,
	768	uint32_t type, // in
	769	void * func, // in
	770	void * args, // in
	771	xptr_t * thread_xp, // out
	772	error_t * error ) // out
	773	{
[564]	774	#if DEBUG_RPC_THREAD_KERNEL_CREATE
	775	thread_t * this = CURRENT_THREAD;
	776	uint32_t cycle = (uint32_t)hal_get_cycles();
	777	if( cycle > DEBUG_RPC_THREAD_KERNEL_CREATE)
	778	printk("\n[DBG] %s : thread %x in process %x on core %d enter / cycle %d\n",
	779	__FUNCTION__, this->trdid, this->process->pid, this->core->lid, cycle );
	780	#endif
	781
[492]	782	assert( (cxy != local_cxy) , "target cluster is not remote\n");
[1]	783
	784	// initialise RPC descriptor header
	785	rpc_desc_t rpc;
	786	rpc.index = RPC_THREAD_KERNEL_CREATE;
[416]	787	rpc.blocking = true;
[438]	788	rpc.responses = 1;
[1]	789
	790	// set input arguments in RPC descriptor
	791	rpc.args[0] = (uint64_t)type;
	792	rpc.args[1] = (uint64_t)(intptr_t)func;
	793	rpc.args[2] = (uint64_t)(intptr_t)args;
	794
[436]	795	// register RPC request in remote RPC fifo
[416]	796	rpc_send( cxy , &rpc );
[1]	797
	798	// get output arguments from RPC descriptor
	799	*thread_xp = (xptr_t)rpc.args[3];
	800	*error = (error_t)rpc.args[4];
[279]	801
[564]	802	#if DEBUG_RPC_THREAD_KERNEL_CREATE
	803	cycle = (uint32_t)hal_get_cycles();
	804	if( cycle > DEBUG_RPC_THREAD_KERNEL_CREATE)
	805	printk("\n[DBG] %s : thread %x in process %x on core %d exit / cycle %d\n",
	806	__FUNCTION__, this->trdid, this->process->pid, this->core->lid, cycle );
	807	#endif
[1]	808	}
	809
	810	/////////////////////////////////////////////////
	811	void rpc_thread_kernel_create_server( xptr_t xp )
	812	{
[564]	813	#if DEBUG_RPC_THREAD_KERNEL_CREATE
	814	thread_t * this = CURRENT_THREAD;
	815	uint32_t cycle = (uint32_t)hal_get_cycles();
	816	if( cycle > DEBUG_RPC_THREAD_KERNEL_CREATE)
	817	printk("\n[DBG] %s : thread %x in process %x on core %d enter / cycle %d\n",
	818	__FUNCTION__, this->trdid, this->process->pid, this->core->lid, cycle );
	819	#endif
	820
[1]	821	thread_t * thread_ptr; // local pointer on thread descriptor
	822	xptr_t thread_xp; // extended pointer on thread descriptor
	823	lid_t core_lid; // core local index
	824	error_t error;
	825
	826	// get client cluster identifier and pointer on RPC descriptor
[436]	827	cxy_t client_cxy = GET_CXY( xp );
[438]	828	rpc_desc_t * desc = GET_PTR( xp );
[1]	829
	830	// get attributes from RPC descriptor
[564]	831	uint32_t type = (uint32_t) hal_remote_l64( XPTR( client_cxy , &desc->args[0] ) );
	832	void * func = (void*)(intptr_t)hal_remote_l64( XPTR( client_cxy , &desc->args[1] ) );
	833	void * args = (void*)(intptr_t)hal_remote_l64( XPTR( client_cxy , &desc->args[2] ) );
[1]	834
	835	// select one core
	836	core_lid = cluster_select_local_core();
	837
	838	// call local kernel function
	839	error = thread_kernel_create( &thread_ptr , type , func , args , core_lid );
	840
	841	// set output arguments
	842	thread_xp = XPTR( local_cxy , thread_ptr );
[564]	843	hal_remote_s64( XPTR( client_cxy , &desc->args[1] ) , (uint64_t)error );
	844	hal_remote_s64( XPTR( client_cxy , &desc->args[2] ) , (uint64_t)thread_xp );
[296]	845
[564]	846	#if DEBUG_RPC_THREAD_KERNEL_CREATE
	847	cycle = (uint32_t)hal_get_cycles();
	848	if( cycle > DEBUG_RPC_THREAD_KERNEL_CREATE)
	849	printk("\n[DBG] %s : thread %x in process %x on core %d exit / cycle %d\n",
	850	__FUNCTION__, this->trdid, this->process->pid, this->core->lid, cycle );
	851	#endif
[1]	852	}
	853
	854	/////////////////////////////////////////////////////////////////////////////////////////
[436]	855	// [8] undefined slot
[1]	856	/////////////////////////////////////////////////////////////////////////////////////////
	857
[296]	858
[23]	859	/////////////////////////////////////////////////////////////////////////////////////////
[415]	860	// [9] Marshaling functions attached to RPC_PROCESS_SIGACTION (multicast / non blocking)
[23]	861	/////////////////////////////////////////////////////////////////////////////////////////
	862
[416]	863	////////////////////////////////////////////////////
	864	void rpc_process_sigaction_client( cxy_t cxy,
[436]	865	rpc_desc_t * rpc )
[409]	866	{
	867
[438]	868	#if DEBUG_RPC_PROCESS_SIGACTION
[436]	869	uint32_t cycle = (uint32_t)hal_get_cycles();
	870	uint32_t action = rpc->args[0];
	871	pid_t pid = rpc->args[1];
[438]	872	if( DEBUG_RPC_PROCESS_SIGACTION < cycle )
[457]	873	printk("\n[DBG] %s : enter to request %s of process %x in cluster %x / cycle %d\n",
[436]	874	__FUNCTION__ , process_action_str( action ) , pid , cxy , cycle );
	875	#endif
[409]	876
[436]	877	// check some RPC arguments
[492]	878	assert( (rpc->blocking == false) , "must be non-blocking\n");
	879	assert( (rpc->index == RPC_PROCESS_SIGACTION ) , "bad RPC index\n" );
[409]	880
[436]	881	// register RPC request in remote RPC fifo and return
	882	rpc_send( cxy , rpc );
	883
[438]	884	#if DEBUG_RPC_PROCESS_SIGACTION
[436]	885	cycle = (uint32_t)hal_get_cycles();
[438]	886	if( DEBUG_RPC_PROCESS_SIGACTION < cycle )
[436]	887	printk("\n[DBG] %s : exit after requesting to %s process %x in cluster %x / cycle %d\n",
	888	__FUNCTION__ , process_action_str( action ) , pid , cxy , cycle );
	889	#endif
	890
	891	} // end rpc_process_sigaction_client()
	892
[409]	893	//////////////////////////////////////////////
	894	void rpc_process_sigaction_server( xptr_t xp )
	895	{
[440]	896	pid_t pid; // target process identifier
	897	process_t * process; // pointer on local target process descriptor
	898	uint32_t action; // sigaction index
	899	thread_t * client_ptr; // pointer on client thread in client cluster
	900	xptr_t client_xp; // extended pointer client thread
	901	cxy_t client_cxy; // client cluster identifier
	902	rpc_desc_t * rpc; // pointer on rpc descriptor in client cluster
	903	xptr_t count_xp; // extended pointer on responses counter
	904	uint32_t count_value; // responses counter value
	905	lid_t client_lid; // client core local index
[409]	906
	907	// get client cluster identifier and pointer on RPC descriptor
[436]	908	client_cxy = GET_CXY( xp );
	909	rpc = GET_PTR( xp );
[409]	910
	911	// get arguments from RPC descriptor
[564]	912	action = (uint32_t)hal_remote_l64( XPTR(client_cxy , &rpc->args[0]) );
	913	pid = (pid_t) hal_remote_l64( XPTR(client_cxy , &rpc->args[1]) );
[409]	914
[438]	915	#if DEBUG_RPC_PROCESS_SIGACTION
[436]	916	uint32_t cycle = (uint32_t)hal_get_cycles();
[438]	917	if( DEBUG_RPC_PROCESS_SIGACTION < cycle )
[436]	918	printk("\n[DBG] %s : enter to %s process %x in cluster %x / cycle %d\n",
	919	__FUNCTION__ , process_action_str( action ) , pid , local_cxy , cycle );
	920	#endif
[435]	921
[440]	922	// get client thread pointers
	923	client_ptr = (thread_t *)hal_remote_lpt( XPTR( client_cxy , &rpc->thread ) );
	924	client_xp = XPTR( client_cxy , client_ptr );
	925
[435]	926	// get local process descriptor
[436]	927	process = cluster_get_local_process_from_pid( pid );
[435]	928
[409]	929	// call relevant kernel function
[440]	930	if ( action == DELETE_ALL_THREADS ) process_delete_threads ( process , client_xp );
	931	else if ( action == BLOCK_ALL_THREADS ) process_block_threads ( process , client_xp );
[436]	932	else if ( action == UNBLOCK_ALL_THREADS ) process_unblock_threads( process );
[409]	933
[436]	934	// build extended pointer on response counter in RPC
[438]	935	count_xp = XPTR( client_cxy , &rpc->responses );
[436]	936
[416]	937	// decrement the responses counter in RPC descriptor,
[440]	938	count_value = hal_remote_atomic_add( count_xp , -1 );
	939
[416]	940	// unblock the client thread only if it is the last response.
[440]	941	if( count_value == 1 )
[416]	942	{
[440]	943	// get client core lid
[564]	944	client_lid = (lid_t) hal_remote_l32 ( XPTR( client_cxy , &rpc->lid ) );
[436]	945
[440]	946	// unblock client thread
	947	thread_unblock( client_xp , THREAD_BLOCKED_RPC );
	948
	949	// send an IPI to client core
[457]	950	// dev_pic_send_ipi( client_cxy , client_lid );
[416]	951	}
	952
[438]	953	#if DEBUG_RPC_PROCESS_SIGACTION
[436]	954	cycle = (uint32_t)hal_get_cycles();
[438]	955	if( DEBUG_RPC_PROCESS_SIGACTION < cycle )
[436]	956	printk("\n[DBG] %s : exit after %s process %x in cluster %x / cycle %d\n",
	957	__FUNCTION__ , process_action_str( action ) , pid , local_cxy , cycle );
	958	#endif
[409]	959
[436]	960	} // end rpc_process_sigaction_server()
	961
[409]	962	/////////////////////////////////////////////////////////////////////////////////////////
[436]	963	// [10] Marshaling functions attached to RPC_VFS_INODE_CREATE (blocking)
[409]	964	/////////////////////////////////////////////////////////////////////////////////////////
	965
[1]	966	/////////////////////////////////////////////////////
	967	void rpc_vfs_inode_create_client( cxy_t cxy,
	968	xptr_t dentry_xp, // in
[23]	969	uint32_t fs_type, // in
	970	uint32_t inode_type, // in
[188]	971	void * extend, // in
[1]	972	uint32_t attr, // in
[23]	973	uint32_t rights, // in
[1]	974	uint32_t uid, // in
	975	uint32_t gid, // in
	976	xptr_t * inode_xp, // out
	977	error_t * error ) // out
	978	{
[459]	979	#if DEBUG_RPC_VFS_INODE_CREATE
[564]	980	thread_t * this = CURRENT_THREAD;
[459]	981	uint32_t cycle = (uint32_t)hal_get_cycles();
	982	if( cycle > DEBUG_RPC_VFS_INODE_CREATE )
[564]	983	printk("\n[DBG] %s : thread %x in process %x on core %d enter / cycle %d\n",
	984	__FUNCTION__, this->trdid, this->process->pid, this->core->lid , cycle );
[459]	985	#endif
	986
[492]	987	assert( (cxy != local_cxy) , "target cluster is not remote\n");
[1]	988
	989	// initialise RPC descriptor header
	990	rpc_desc_t rpc;
	991	rpc.index = RPC_VFS_INODE_CREATE;
[416]	992	rpc.blocking = true;
[438]	993	rpc.responses = 1;
[1]	994
	995	// set input arguments in RPC descriptor
	996	rpc.args[0] = (uint64_t)dentry_xp;
[23]	997	rpc.args[1] = (uint64_t)fs_type;
	998	rpc.args[2] = (uint64_t)inode_type;
[188]	999	rpc.args[3] = (uint64_t)(intptr_t)extend;
	1000	rpc.args[4] = (uint64_t)attr;
	1001	rpc.args[5] = (uint64_t)rights;
	1002	rpc.args[6] = (uint64_t)uid;
	1003	rpc.args[7] = (uint64_t)gid;
[1]	1004
[436]	1005	// register RPC request in remote RPC fifo
[416]	1006	rpc_send( cxy , &rpc );
[1]	1007
	1008	// get output values from RPC descriptor
[188]	1009	*inode_xp = (xptr_t)rpc.args[8];
	1010	*error = (error_t)rpc.args[9];
[279]	1011
[459]	1012	#if DEBUG_RPC_VFS_INODE_CREATE
[564]	1013	cycle = (uint32_t)hal_get_cycles();
[459]	1014	if( cycle > DEBUG_RPC_VFS_INODE_CREATE )
[564]	1015	printk("\n[DBG] %s : thread %x in process %x on core %d exit / cycle %d\n",
	1016	__FUNCTION__, this->trdid, this->process->pid, this->core->lid, cycle );
[459]	1017	#endif
[1]	1018	}
	1019
	1020	/////////////////////////////////////////////
	1021	void rpc_vfs_inode_create_server( xptr_t xp )
	1022	{
[459]	1023	#if DEBUG_RPC_VFS_INODE_CREATE
[564]	1024	thread_t * this = CURRENT_THREAD;
[459]	1025	uint32_t cycle = (uint32_t)hal_get_cycles();
	1026	if( cycle > DEBUG_RPC_VFS_INODE_CREATE )
[564]	1027	printk("\n[DBG] %s : thread %x in process %x on core %d enter / cycle %d\n",
	1028	__FUNCTION__, this->trdid, this->process->pid, this->core->lid, cycle );
[459]	1029	#endif
	1030
[1]	1031	xptr_t dentry_xp;
[23]	1032	uint32_t fs_type;
	1033	uint32_t inode_type;
[188]	1034	void * extend;
[1]	1035	uint32_t attr;
[23]	1036	uint32_t rights;
[1]	1037	uint32_t uid;
	1038	uint32_t gid;
	1039	xptr_t inode_xp;
	1040	error_t error;
	1041
	1042	// get client cluster identifier and pointer on RPC descriptor
[436]	1043	cxy_t client_cxy = GET_CXY( xp );
	1044	rpc_desc_t * desc = GET_PTR( xp );
[1]	1045
	1046	// get input arguments from client rpc descriptor
[564]	1047	dentry_xp = (xptr_t) hal_remote_l64( XPTR( client_cxy , &desc->args[0] ) );
	1048	fs_type = (uint32_t) hal_remote_l64( XPTR( client_cxy , &desc->args[1] ) );
	1049	inode_type = (uint32_t) hal_remote_l64( XPTR( client_cxy , &desc->args[2] ) );
	1050	extend = (void *)(intptr_t)hal_remote_l64( XPTR( client_cxy , &desc->args[3] ) );
	1051	attr = (uint32_t) hal_remote_l64( XPTR( client_cxy , &desc->args[4] ) );
	1052	rights = (uint32_t) hal_remote_l64( XPTR( client_cxy , &desc->args[5] ) );
	1053	uid = (uid_t) hal_remote_l64( XPTR( client_cxy , &desc->args[6] ) );
	1054	gid = (gid_t) hal_remote_l64( XPTR( client_cxy , &desc->args[7] ) );
[1]	1055
	1056	// call local kernel function
	1057	error = vfs_inode_create( dentry_xp,
[23]	1058	fs_type,
	1059	inode_type,
[188]	1060	extend,
[1]	1061	attr,
[23]	1062	rights,
[1]	1063	uid,
	1064	gid,
	1065	&inode_xp );
	1066
	1067	// set output arguments
[564]	1068	hal_remote_s64( XPTR( client_cxy , &desc->args[8] ) , (uint64_t)inode_xp );
	1069	hal_remote_s64( XPTR( client_cxy , &desc->args[9] ) , (uint64_t)error );
[296]	1070
[459]	1071	#if DEBUG_RPC_VFS_INODE_CREATE
[564]	1072	cycle = (uint32_t)hal_get_cycles();
[459]	1073	if( cycle > DEBUG_RPC_VFS_INODE_CREATE )
[564]	1074	printk("\n[DBG] %s : thread %x in process %x on core %d exit / cycle %d\n",
	1075	__FUNCTION__, this->trdid, this->process->pid, this->core->lid, cycle );
[459]	1076	#endif
[1]	1077	}
	1078
	1079	/////////////////////////////////////////////////////////////////////////////////////////
[409]	1080	// [11] Marshaling functions attached to RPC_VFS_INODE_DESTROY (blocking)
[1]	1081	/////////////////////////////////////////////////////////////////////////////////////////
	1082
	1083	/////////////////////////////////////////////////////////////
	1084	void rpc_vfs_inode_destroy_client( cxy_t cxy,
[459]	1085	struct vfs_inode_s * inode,
	1086	error_t * error )
[1]	1087	{
[459]	1088	#if DEBUG_RPC_VFS_INODE_DESTROY
[564]	1089	thread_t * this = CURRENT_THREAD;
[459]	1090	uint32_t cycle = (uint32_t)hal_get_cycles();
	1091	if( cycle > DEBUG_RPC_VFS_INODE_DESTROY )
[564]	1092	printk("\n[DBG] %s : thread %x in process %x on core %d enter / cycle %d\n",
	1093	__FUNCTION__, this->trdid, this->process->pid, this->core->lid, cycle );
[459]	1094	#endif
	1095
[492]	1096	assert( (cxy != local_cxy) , "target cluster is not remote\n");
[1]	1097
	1098	// initialise RPC descriptor header
	1099	rpc_desc_t rpc;
	1100	rpc.index = RPC_VFS_INODE_DESTROY;
[416]	1101	rpc.blocking = true;
[438]	1102	rpc.responses = 1;
[1]	1103
	1104	// set input arguments in RPC descriptor
	1105	rpc.args[0] = (uint64_t)(intptr_t)inode;
	1106
[436]	1107	// register RPC request in remote RPC fifo
[416]	1108	rpc_send( cxy , &rpc );
[279]	1109
[473]	1110	// get output argument from RPC descriptor
	1111	*error = (error_t)rpc.args[1];
	1112
[459]	1113	#if DEBUG_RPC_VFS_INODE_DESTROY
[564]	1114	cycle = (uint32_t)hal_get_cycles();
[459]	1115	if( cycle > DEBUG_RPC_VFS_INODE_DESTROY )
[564]	1116	printk("\n[DBG] %s : thread %x in process %x on core %d exit / cycle %d\n",
	1117	__FUNCTION__, this->trdid, this->process->pid, this->core->lid, cycle );
[459]	1118	#endif
[1]	1119	}
	1120
	1121	//////////////////////////////////////////////
	1122	void rpc_vfs_inode_destroy_server( xptr_t xp )
	1123	{
[459]	1124	#if DEBUG_RPC_VFS_INODE_DESTROY
[564]	1125	thread_t * this = CURRENT_THREAD;
[459]	1126	uint32_t cycle = (uint32_t)hal_get_cycles();
	1127	if( cycle > DEBUG_RPC_VFS_INODE_DESTROY )
[564]	1128	printk("\n[DBG] %s : thread %x in process %x on core %d enter / cycle %d\n",
	1129	__FUNCTION__, this->trdid, this->process->pid, this->core->lid, cycle );
[459]	1130	#endif
	1131
[1]	1132	vfs_inode_t * inode;
[459]	1133	error_t error;
[1]	1134
	1135	// get client cluster identifier and pointer on RPC descriptor
[436]	1136	cxy_t client_cxy = GET_CXY( xp );
	1137	rpc_desc_t * desc = GET_PTR( xp );
[1]	1138
	1139	// get arguments "inode" from client RPC descriptor
[564]	1140	inode = (vfs_inode_t *)(intptr_t)hal_remote_l64( XPTR( client_cxy , &desc->args[0] ) );
[1]	1141
	1142	// call local kernel function
[459]	1143	error = vfs_inode_destroy( inode );
[296]	1144
[459]	1145	// set output argument
[564]	1146	hal_remote_s64( XPTR( client_cxy , &desc->args[1] ) , (uint64_t)error );
[459]	1147
	1148	#if DEBUG_RPC_VFS_INODE_DESTROY
[564]	1149	cycle = (uint32_t)hal_get_cycles();
[459]	1150	if( cycle > DEBUG_RPC_VFS_INODE_DESTROY )
[564]	1151	printk("\n[DBG] %s : thread %x in process %x on core %d exit / cycle %d\n",
	1152	__FUNCTION__, this->trdid, this->process->pid, this->core->lid, cycle );
[459]	1153	#endif
[1]	1154	}
	1155
	1156	/////////////////////////////////////////////////////////////////////////////////////////
[409]	1157	// [12] Marshaling functions attached to RPC_VFS_DENTRY_CREATE (blocking)
[1]	1158	/////////////////////////////////////////////////////////////////////////////////////////
	1159
	1160	//////////////////////////////////////////////////////////////
	1161	void rpc_vfs_dentry_create_client( cxy_t cxy,
	1162	uint32_t type, // in
	1163	char * name, // in
	1164	struct vfs_inode_s * parent, // in
	1165	xptr_t * dentry_xp, // out
	1166	error_t * error ) // out
	1167	{
[438]	1168	#if DEBUG_RPC_VFS_DENTRY_CREATE
[564]	1169	thread_t * this = CURRENT_THREAD;
[438]	1170	uint32_t cycle = (uint32_t)hal_get_cycles();
	1171	if( cycle > DEBUG_RPC_VFS_DENTRY_CREATE )
[564]	1172	printk("\n[DBG] %s : thread %x in process %x on core %d enter / cycle %d\n",
	1173	__FUNCTION__, this->trdid, this->process->pid, this->core->lid, cycle );
[438]	1174	#endif
[296]	1175
[492]	1176	assert( (cxy != local_cxy) , "target cluster is not remote\n");
[1]	1177
	1178	// initialise RPC descriptor header
	1179	rpc_desc_t rpc;
	1180	rpc.index = RPC_VFS_DENTRY_CREATE;
[416]	1181	rpc.blocking = true;
[438]	1182	rpc.responses = 1;
[1]	1183
	1184	// set input arguments in RPC descriptor
	1185	rpc.args[0] = (uint64_t)type;
	1186	rpc.args[1] = (uint64_t)(intptr_t)name;
[238]	1187	rpc.args[2] = (uint64_t)(intptr_t)parent;
[1]	1188
[436]	1189	// register RPC request in remote RPC fifo
[416]	1190	rpc_send( cxy , &rpc );
[1]	1191
	1192	// get output values from RPC descriptor
[238]	1193	*dentry_xp = (xptr_t)rpc.args[3];
	1194	*error = (error_t)rpc.args[4];
[279]	1195
[438]	1196	#if DEBUG_RPC_VFS_DENTRY_CREATE
	1197	cycle = (uint32_t)hal_get_cycles();
	1198	if( cycle > DEBUG_RPC_VFS_DENTRY_CREATE )
[564]	1199	printk("\n[DBG] %s : thread %x in process %x on core %d exit / cycle %d\n",
	1200	__FUNCTION__, this->trdid, this->process->pid, this->core->lid, cycle );
[438]	1201	#endif
[1]	1202	}
	1203
	1204	//////////////////////////////////////////////
	1205	void rpc_vfs_dentry_create_server( xptr_t xp )
	1206	{
[438]	1207	#if DEBUG_RPC_VFS_DENTRY_CREATE
[564]	1208	thread_t * this = CURRENT_THREAD;
[438]	1209	uint32_t cycle = (uint32_t)hal_get_cycles();
	1210	if( cycle > DEBUG_RPC_VFS_DENTRY_CREATE )
[564]	1211	printk("\n[DBG] %s : thread %x in process %x on core %d enter / cycle %d\n",
	1212	__FUNCTION__, this->trdid, this->process->pid, this->core->lid , cycle );
[438]	1213	#endif
	1214
[1]	1215	uint32_t type;
	1216	char * name;
	1217	vfs_inode_t * parent;
	1218	xptr_t dentry_xp;
	1219	error_t error;
[238]	1220	char name_copy[CONFIG_VFS_MAX_NAME_LENGTH];
	1221
[1]	1222	// get client cluster identifier and pointer on RPC descriptor
[436]	1223	cxy_t client_cxy = GET_CXY( xp );
	1224	rpc_desc_t * desc = GET_PTR( xp );
[1]	1225
[238]	1226	// get arguments "name", "type", and "parent" from client RPC descriptor
[564]	1227	type = (uint32_t) hal_remote_l64( XPTR( client_cxy , &desc->args[0] ) );
	1228	name = (char *)(intptr_t) hal_remote_l64( XPTR( client_cxy , &desc->args[1] ) );
	1229	parent = (vfs_inode_t *)(intptr_t)hal_remote_l64( XPTR( client_cxy , &desc->args[2] ) );
[296]	1230
[238]	1231	// makes a local copy of name
	1232	hal_remote_strcpy( XPTR( local_cxy , name_copy ),
	1233	XPTR( client_cxy , name ) );
	1234
[1]	1235	// call local kernel function
	1236	error = vfs_dentry_create( type,
	1237	name_copy,
	1238	parent,
	1239	&dentry_xp );
	1240	// set output arguments
[564]	1241	hal_remote_s64( XPTR( client_cxy , &desc->args[3] ) , (uint64_t)dentry_xp );
	1242	hal_remote_s64( XPTR( client_cxy , &desc->args[4] ) , (uint64_t)error );
[296]	1243
[438]	1244	#if DEBUG_RPC_VFS_DENTRY_CREATE
	1245	cycle = (uint32_t)hal_get_cycles();
	1246	if( cycle > DEBUG_RPC_VFS_DENTRY_CREATE )
[564]	1247	printk("\n[DBG] %s : thread %x in process %x on core %d exit / cycle %d\n",
	1248	__FUNCTION__, this->trdid, this->process->pid, this->core->lid, cycle );
[438]	1249	#endif
[1]	1250	}
	1251
	1252	/////////////////////////////////////////////////////////////////////////////////////////
[409]	1253	// [13] Marshaling functions attached to RPC_VFS_DENTRY_DESTROY (blocking)
[1]	1254	/////////////////////////////////////////////////////////////////////////////////////////
	1255
	1256	///////////////////////////////////////////////////////
	1257	void rpc_vfs_dentry_destroy_client( cxy_t cxy,
[459]	1258	vfs_dentry_t * dentry,
	1259	error_t * error )
[1]	1260	{
[440]	1261	#if DEBUG_RPC_VFS_DENTRY_DESTROY
[564]	1262	thread_t * this = CURRENT_THREAD;
[440]	1263	uint32_t cycle = (uint32_t)hal_get_cycles();
	1264	if( cycle > DEBUG_RPC_VFS_DENTRY_DESTROY )
[564]	1265	printk("\n[DBG] %s : thread %x in process %x on core %d enter / cycle %d\n",
	1266	__FUNCTION__, this->trdid, this->process->pid, this->core->lid , cycle );
[440]	1267	#endif
	1268
[492]	1269	assert( (cxy != local_cxy) , "target cluster is not remote\n");
[1]	1270
	1271	// initialise RPC descriptor header
	1272	rpc_desc_t rpc;
	1273	rpc.index = RPC_VFS_DENTRY_DESTROY;
[416]	1274	rpc.blocking = true;
[438]	1275	rpc.responses = 1;
[1]	1276
	1277	// set input arguments in RPC descriptor
	1278	rpc.args[0] = (uint64_t)(intptr_t)dentry;
	1279
[436]	1280	// register RPC request in remote RPC fifo
[416]	1281	rpc_send( cxy , &rpc );
[279]	1282
[473]	1283	// get output argument from RPC descriptor
	1284	*error = (error_t)rpc.args[1];
	1285
[440]	1286	#if DEBUG_RPC_VFS_DENTRY_DESTROY
	1287	cycle = (uint32_t)hal_get_cycles();
	1288	if( cycle > DEBUG_RPC_VFS_DENTRY_DESTROY )
[564]	1289	printk("\n[DBG] %s : thread %x in process %x on core %d exit / cycle %d\n",
	1290	__FUNCTION__, this->trdid, this->process->pid, this->core->lid, cycle );
[440]	1291	#endif
[1]	1292	}
	1293
	1294	///////////////////////////////////////////////
	1295	void rpc_vfs_dentry_destroy_server( xptr_t xp )
	1296	{
[440]	1297	#if DEBUG_RPC_VFS_DENTRY_DESTROY
[564]	1298	thread_t * this = CURRENT_THREAD;
[440]	1299	uint32_t cycle = (uint32_t)hal_get_cycles();
	1300	if( cycle > DEBUG_RPC_VFS_DENTRY_DESTROY )
[564]	1301	printk("\n[DBG] %s : thread %x in process %x on core %d enter / cycle %d\n",
	1302	__FUNCTION__, this->trdid, this->process->pid, this->core->lid , cycle );
[440]	1303	#endif
	1304
[1]	1305	vfs_dentry_t * dentry;
[459]	1306	error_t error;
[1]	1307
	1308	// get client cluster identifier and pointer on RPC descriptor
[436]	1309	cxy_t client_cxy = GET_CXY( xp );
	1310	rpc_desc_t * desc = GET_PTR( xp );
[1]	1311
	1312	// get arguments "dentry" from client RPC descriptor
[564]	1313	dentry = (vfs_dentry_t *)(intptr_t)hal_remote_l64( XPTR( client_cxy , &desc->args[0] ) );
[1]	1314
	1315	// call local kernel function
[459]	1316	error = vfs_dentry_destroy( dentry );
[296]	1317
[459]	1318	// set output argument
[564]	1319	hal_remote_s64( XPTR( client_cxy , &desc->args[1] ) , (uint64_t)error );
[459]	1320
[440]	1321	#if DEBUG_RPC_VFS_DENTRY_DESTROY
	1322	cycle = (uint32_t)hal_get_cycles();
	1323	if( cycle > DEBUG_RPC_VFS_DENTRY_DESTROY )
[564]	1324	printk("\n[DBG] %s : thread %x in process %x on core %d exit / cycle %d\n",
	1325	__FUNCTION__, this->trdid, this->process->pid, this->core->lid, cycle );
[440]	1326	#endif
[1]	1327	}
	1328
	1329
	1330	/////////////////////////////////////////////////////////////////////////////////////////
[409]	1331	// [14] Marshaling functions attached to RPC_VFS_FILE_CREATE (blocking)
[1]	1332	/////////////////////////////////////////////////////////////////////////////////////////
	1333
[23]	1334	//////////////////////////////////////////////////////////////
	1335	void rpc_vfs_file_create_client( cxy_t cxy,
	1336	struct vfs_inode_s * inode, // in
	1337	uint32_t file_attr, // in
	1338	xptr_t * file_xp, // out
	1339	error_t * error ) // out
	1340	{
[438]	1341	#if DEBUG_RPC_VFS_FILE_CREATE
[564]	1342	thread_t * this = CURRENT_THREAD;
[438]	1343	uint32_t cycle = (uint32_t)hal_get_cycles();
	1344	if( cycle > DEBUG_RPC_VFS_FILE_CREATE )
[564]	1345	printk("\n[DBG] %s : thread %x in process %x on core %d enter / cycle %d\n",
	1346	__FUNCTION__, this->trdid, this->process->pid, this->core->lid , cycle );
[438]	1347	#endif
	1348
[492]	1349	assert( (cxy != local_cxy) , "target cluster is not remote\n");
[23]	1350
	1351	// initialise RPC descriptor header
	1352	rpc_desc_t rpc;
	1353	rpc.index = RPC_VFS_FILE_CREATE;
[416]	1354	rpc.blocking = true;
[438]	1355	rpc.responses = 1;
[23]	1356
	1357	// set input arguments in RPC descriptor
	1358	rpc.args[0] = (uint64_t)(intptr_t)inode;
	1359	rpc.args[1] = (uint64_t)file_attr;
	1360
[436]	1361	// register RPC request in remote RPC fifo
[416]	1362	rpc_send( cxy , &rpc );
[23]	1363
	1364	// get output values from RPC descriptor
	1365	*file_xp = (xptr_t)rpc.args[2];
	1366	*error = (error_t)rpc.args[3];
[279]	1367
[438]	1368	#if DEBUG_RPC_VFS_FILE_CREATE
	1369	cycle = (uint32_t)hal_get_cycles();
	1370	if( cycle > DEBUG_RPC_VFS_FILE_CREATE )
[564]	1371	printk("\n[DBG] %s : thread %x in process %x on core %d exit / cycle %d\n",
	1372	__FUNCTION__, this->trdid, this->process->pid, this->core->lid, cycle );
[438]	1373	#endif
[23]	1374	}
	1375
	1376	////////////////////////////////////////////
	1377	void rpc_vfs_file_create_server( xptr_t xp )
	1378	{
[438]	1379	#if DEBUG_RPC_VFS_FILE_CREATE
[564]	1380	thread_t * this = CURRENT_THREAD;
[438]	1381	uint32_t cycle = (uint32_t)hal_get_cycles();
	1382	if( cycle > DEBUG_RPC_VFS_FILE_CREATE )
[564]	1383	printk("\n[DBG] %s : thread %x in process %x on core %d enter / cycle %d\n",
	1384	__FUNCTION__, this->trdid, this->process->pid, this->core->lid , cycle );
[438]	1385	#endif
	1386
[23]	1387	uint32_t file_attr;
	1388	vfs_inode_t * inode;
	1389	xptr_t file_xp;
	1390	error_t error;
	1391
	1392	// get client cluster identifier and pointer on RPC descriptor
[436]	1393	cxy_t client_cxy = GET_CXY( xp );
	1394	rpc_desc_t * desc = GET_PTR( xp );
[23]	1395
	1396	// get arguments "file_attr" and "inode" from client RPC descriptor
[564]	1397	inode = (vfs_inode_t *)(intptr_t)hal_remote_l64( XPTR( client_cxy , &desc->args[0] ) );
	1398	file_attr = (uint32_t) hal_remote_l64( XPTR( client_cxy , &desc->args[1] ) );
[23]	1399
	1400	// call local kernel function
	1401	error = vfs_file_create( inode,
	1402	file_attr,
	1403	&file_xp );
	1404
	1405	// set output arguments
[564]	1406	hal_remote_s64( XPTR( client_cxy , &desc->args[2] ) , (uint64_t)file_xp );
	1407	hal_remote_s64( XPTR( client_cxy , &desc->args[3] ) , (uint64_t)error );
[296]	1408
[438]	1409	#if DEBUG_RPC_VFS_FILE_CREATE
	1410	cycle = (uint32_t)hal_get_cycles();
	1411	if( cycle > DEBUG_RPC_VFS_FILE_CREATE )
[564]	1412	printk("\n[DBG] %s : thread %x in process %x on core %d exit / cycle %d\n",
	1413	__FUNCTION__, this->trdid, this->process->pid, this->core->lid, cycle );
[438]	1414	#endif
[23]	1415	}
	1416
	1417	/////////////////////////////////////////////////////////////////////////////////////////
[409]	1418	// [15] Marshaling functions attached to RPC_VFS_FILE_DESTROY (blocking)
[23]	1419	/////////////////////////////////////////////////////////////////////////////////////////
	1420
	1421	///////////////////////////////////////////////////
	1422	void rpc_vfs_file_destroy_client( cxy_t cxy,
	1423	vfs_file_t * file )
	1424	{
[440]	1425	#if DEBUG_RPC_VFS_FILE_DESTROY
[564]	1426	thread_t * this = CURRENT_THREAD;
[440]	1427	uint32_t cycle = (uint32_t)hal_get_cycles();
	1428	if( cycle > DEBUG_RPC_VFS_FILE_DESTROY )
[564]	1429	printk("\n[DBG] %s : thread %x in process %x on core %d enter / cycle %d\n",
	1430	__FUNCTION__, this->trdid, this->process->pid, this->core->lid , cycle );
[440]	1431	#endif
	1432
[492]	1433	assert( (cxy != local_cxy) , "target cluster is not remote\n");
[23]	1434
	1435	// initialise RPC descriptor header
	1436	rpc_desc_t rpc;
	1437	rpc.index = RPC_VFS_FILE_DESTROY;
[416]	1438	rpc.blocking = true;
[438]	1439	rpc.responses = 1;
[23]	1440
	1441	// set input arguments in RPC descriptor
	1442	rpc.args[0] = (uint64_t)(intptr_t)file;
	1443
[436]	1444	// register RPC request in remote RPC fifo
[416]	1445	rpc_send( cxy , &rpc );
[279]	1446
[440]	1447	#if DEBUG_RPC_VFS_FILE_DESTROY
	1448	cycle = (uint32_t)hal_get_cycles();
	1449	if( cycle > DEBUG_RPC_VFS_FILE_DESTROY )
[564]	1450	printk("\n[DBG] %s : thread %x in process %x on core %d exit / cycle %d\n",
	1451	__FUNCTION__, this->trdid, this->process->pid, this->core->lid, cycle );
[440]	1452	#endif
[23]	1453	}
	1454
	1455	/////////////////////////////////////////////
	1456	void rpc_vfs_file_destroy_server( xptr_t xp )
	1457	{
[440]	1458	#if DEBUG_RPC_VFS_FILE_DESTROY
[564]	1459	thread_t * this = CURRENT_THREAD;
[440]	1460	uint32_t cycle = (uint32_t)hal_get_cycles();
	1461	if( cycle > DEBUG_RPC_VFS_FILE_DESTROY )
[564]	1462	printk("\n[DBG] %s : thread %x in process %x on core %d enter / cycle %d\n",
	1463	__FUNCTION__, this->trdid, this->process->pid, this->core->lid , cycle );
[440]	1464	#endif
	1465
[23]	1466	vfs_file_t * file;
	1467
	1468	// get client cluster identifier and pointer on RPC descriptor
[436]	1469	cxy_t client_cxy = GET_CXY( xp );
	1470	rpc_desc_t * desc = GET_PTR( xp );
[23]	1471
	1472	// get arguments "dentry" from client RPC descriptor
[564]	1473	file = (vfs_file_t *)(intptr_t)hal_remote_l64( XPTR( client_cxy , &desc->args[0] ) );
[23]	1474
	1475	// call local kernel function
	1476	vfs_file_destroy( file );
[296]	1477
[440]	1478	#if DEBUG_RPC_VFS_FILE_DESTROY
	1479	cycle = (uint32_t)hal_get_cycles();
	1480	if( cycle > DEBUG_RPC_VFS_FILE_DESTROY )
[564]	1481	printk("\n[DBG] %s : thread %x in process %x on core %d exit / cycle %d\n",
	1482	__FUNCTION__, this->trdid, this->process->pid, this->core->lid, cycle );
[440]	1483	#endif
[23]	1484	}
	1485
	1486	/////////////////////////////////////////////////////////////////////////////////////////
[409]	1487	// [16] Marshaling functions attached to RPC_VFS_INODE_LOAD (blocking)
[23]	1488	/////////////////////////////////////////////////////////////////////////////////////////
	1489
[1]	1490	//////////////////////////////////////////////////
[238]	1491	void rpc_vfs_inode_load_client( cxy_t cxy,
	1492	vfs_inode_t * parent_inode, // in
	1493	char * name, // in
	1494	xptr_t child_inode_xp, // in
	1495	error_t * error ) // out
	1496	{
[492]	1497	assert( (cxy != local_cxy) , "target cluster is not remote\n");
[238]	1498
	1499	// initialise RPC descriptor header
	1500	rpc_desc_t rpc;
	1501	rpc.index = RPC_VFS_INODE_LOAD;
[416]	1502	rpc.blocking = true;
[438]	1503	rpc.responses = 1;
[238]	1504
	1505	// set input arguments in RPC descriptor
	1506	rpc.args[0] = (uint64_t)(intptr_t)parent_inode;
	1507	rpc.args[1] = (uint64_t)(intptr_t)name;
	1508	rpc.args[2] = (uint64_t)child_inode_xp;
	1509
[436]	1510	// register RPC request in remote RPC fifo
[416]	1511	rpc_send( cxy , &rpc );
[238]	1512
	1513	// get output values from RPC descriptor
	1514	*error = (error_t)rpc.args[3];
[279]	1515
[238]	1516	}
	1517
	1518	///////////////////////////////////////////
	1519	void rpc_vfs_inode_load_server( xptr_t xp )
	1520	{
	1521	error_t error;
	1522	vfs_inode_t * parent;
	1523	xptr_t child_xp;
	1524	char * name;
	1525
	1526	char name_copy[CONFIG_VFS_MAX_NAME_LENGTH];
	1527
	1528	// get client cluster identifier and pointer on RPC descriptor
[436]	1529	cxy_t client_cxy = GET_CXY( xp );
	1530	rpc_desc_t * desc = GET_PTR( xp );
[238]	1531
	1532	// get arguments "parent", "name", and "child_xp"
[564]	1533	parent = (vfs_inode_t*)(intptr_t)hal_remote_l64(XPTR(client_cxy , &desc->args[0]));
	1534	name = (char*)(intptr_t) hal_remote_l64(XPTR(client_cxy , &desc->args[1]));
	1535	child_xp = (xptr_t) hal_remote_l64(XPTR(client_cxy , &desc->args[2]));
[238]	1536
	1537	// get name local copy
	1538	hal_remote_strcpy( XPTR( local_cxy , name_copy ) ,
	1539	XPTR( client_cxy , name ) );
	1540
	1541	// call the kernel function
	1542	error = vfs_inode_load( parent , name_copy , child_xp );
	1543
	1544	// set output argument
[564]	1545	hal_remote_s64( XPTR( client_cxy , &desc->args[3] ) , (uint64_t)error );
[296]	1546
[238]	1547	}
	1548
	1549	/////////////////////////////////////////////////////////////////////////////////////////
[409]	1550	// [17] Marshaling functions attached to RPC_VFS_MAPPER_LOAD_ALL (blocking)
[238]	1551	/////////////////////////////////////////////////////////////////////////////////////////
	1552
	1553	///////////////////////////////////////////////////////
	1554	void rpc_vfs_mapper_load_all_client( cxy_t cxy,
	1555	vfs_inode_t * inode, // in
	1556	error_t * error ) // out
	1557	{
[492]	1558	assert( (cxy != local_cxy) , "target cluster is not remote\n");
[238]	1559
	1560	// initialise RPC descriptor header
	1561	rpc_desc_t rpc;
[389]	1562	rpc.index = RPC_VFS_MAPPER_LOAD_ALL;
[416]	1563	rpc.blocking = true;
[438]	1564	rpc.responses = 1;
[238]	1565
	1566	// set input arguments in RPC descriptor
	1567	rpc.args[0] = (uint64_t)(intptr_t)inode;
	1568
[436]	1569	// register RPC request in remote RPC fifo
[416]	1570	rpc_send( cxy , &rpc );
[238]	1571
	1572	// get output values from RPC descriptor
	1573	*error = (error_t)rpc.args[1];
[279]	1574
[238]	1575	}
	1576
	1577	////////////////////////////////////////////////
	1578	void rpc_vfs_mapper_load_all_server( xptr_t xp )
	1579	{
	1580	error_t error;
	1581	vfs_inode_t * inode;
	1582
	1583	// get client cluster identifier and pointer on RPC descriptor
[436]	1584	cxy_t client_cxy = GET_CXY( xp );
	1585	rpc_desc_t * desc = GET_PTR( xp );
[238]	1586
	1587	// get arguments "parent", "name", and "child_xp"
[564]	1588	inode = (vfs_inode_t*)(intptr_t)hal_remote_l64(XPTR(client_cxy , &desc->args[0]));
[238]	1589
	1590	// call the kernel function
	1591	error = vfs_mapper_load_all( inode );
	1592
	1593	// set output argument
[564]	1594	hal_remote_s64( XPTR( client_cxy , &desc->args[1] ) , (uint64_t)error );
[296]	1595
[238]	1596	}
	1597
	1598	/////////////////////////////////////////////////////////////////////////////////////////
[409]	1599	// [18] Marshaling functions attached to RPC_FATFS_GET_CLUSTER (blocking)
[238]	1600	/////////////////////////////////////////////////////////////////////////////////////////
	1601
	1602	//////////////////////////////////////////////////
[23]	1603	void rpc_fatfs_get_cluster_client( cxy_t cxy,
	1604	mapper_t * mapper, // in
	1605	uint32_t first, // in
[407]	1606	uint32_t index, // in
[23]	1607	uint32_t * cluster, // out
	1608	error_t * error ) // out
	1609	{
[492]	1610	assert( (cxy != local_cxy) , "target cluster is not remote\n");
[23]	1611
	1612	// initialise RPC descriptor header
	1613	rpc_desc_t rpc;
	1614	rpc.index = RPC_FATFS_GET_CLUSTER;
[416]	1615	rpc.blocking = true;
[438]	1616	rpc.responses = 1;
[23]	1617
	1618	// set input arguments in RPC descriptor
	1619	rpc.args[0] = (uint64_t)(intptr_t)mapper;
	1620	rpc.args[1] = (uint64_t)first;
[407]	1621	rpc.args[2] = (uint64_t)index;
[23]	1622
	1623	// register RPC request in remote RPC fifo
[416]	1624	rpc_send( cxy , &rpc );
[23]	1625
	1626	// get output argument from rpc descriptor
	1627	*cluster = (uint32_t)rpc.args[3];
	1628	*error = (error_t)rpc.args[4];
[279]	1629
[23]	1630	}
	1631
	1632	//////////////////////////////////////////////
	1633	void rpc_fatfs_get_cluster_server( xptr_t xp )
	1634	{
	1635	mapper_t * mapper;
	1636	uint32_t first;
[407]	1637	uint32_t index;
[23]	1638	uint32_t cluster;
	1639	error_t error;
	1640
	1641	// get client cluster identifier and pointer on RPC descriptor
[436]	1642	cxy_t client_cxy = GET_CXY( xp );
[438]	1643	rpc_desc_t * desc = GET_PTR( xp );
[23]	1644
	1645	// get input arguments
	1646	mapper = (mapper_t *)(intptr_t)hal_remote_lpt( XPTR( client_cxy , &desc->args[0] ) );
[564]	1647	first = (uint32_t) hal_remote_l32 ( XPTR( client_cxy , &desc->args[1] ) );
	1648	index = (uint32_t) hal_remote_l32 ( XPTR( client_cxy , &desc->args[2] ) );
[23]	1649
	1650	// call the kernel function
[407]	1651	error = fatfs_get_cluster( mapper , first , index , &cluster );
[23]	1652
	1653	// set output argument
[564]	1654	hal_remote_s64( XPTR( client_cxy , &desc->args[3] ) , (uint64_t)cluster );
	1655	hal_remote_s64( XPTR( client_cxy , &desc->args[4] ) , (uint64_t)error );
[296]	1656
[23]	1657	}
	1658
	1659	/////////////////////////////////////////////////////////////////////////////////////////
[409]	1660	// [20] Marshaling functions attached to RPC_VMM_GET_VSEG (blocking)
[23]	1661	/////////////////////////////////////////////////////////////////////////////////////////
	1662
	1663	//////////////////////////////////////////////////
[389]	1664	void rpc_vmm_get_vseg_client( cxy_t cxy,
	1665	process_t * process, // in
	1666	intptr_t vaddr, // in
	1667	xptr_t * vseg_xp, // out
	1668	error_t * error ) // out
[1]	1669	{
[440]	1670	#if DEBUG_RPC_VMM_GET_VSEG
[564]	1671	thread_t * this = CURRENT_THREAD;
[440]	1672	uint32_t cycle = (uint32_t)hal_get_cycles();
	1673	if( cycle > DEBUG_RPC_VMM_GET_VSEG )
[564]	1674	printk("\n[DBG] %s : thread %x in process %x on core %d enter / cycle %d\n",
	1675	__FUNCTION__, this->trdid, this->process->pid, this->core->lid , cycle );
[440]	1676	#endif
	1677
[492]	1678	assert( (cxy != local_cxy) , "target cluster is not remote\n");
[1]	1679
	1680	// initialise RPC descriptor header
	1681	rpc_desc_t rpc;
[389]	1682	rpc.index = RPC_VMM_GET_VSEG;
[416]	1683	rpc.blocking = true;
[438]	1684	rpc.responses = 1;
[1]	1685
	1686	// set input arguments in RPC descriptor
	1687	rpc.args[0] = (uint64_t)(intptr_t)process;
	1688	rpc.args[1] = (uint64_t)vaddr;
	1689
[436]	1690	// register RPC request in remote RPC fifo
[416]	1691	rpc_send( cxy , &rpc );
[1]	1692
	1693	// get output argument from rpc descriptor
	1694	*vseg_xp = rpc.args[2];
[389]	1695	*error = (error_t)rpc.args[3];
[279]	1696
[440]	1697	#if DEBUG_RPC_VMM_GET_VSEG
	1698	cycle = (uint32_t)hal_get_cycles();
	1699	if( cycle > DEBUG_RPC_VMM_GET_VSEG )
[564]	1700	printk("\n[DBG] %s : thread %x in process %x on core %d exit / cycle %d\n",
	1701	__FUNCTION__, this->trdid, this->process->pid, this->core->lid , cycle );
[440]	1702	#endif
[1]	1703	}
	1704
[389]	1705	/////////////////////////////////////////
	1706	void rpc_vmm_get_vseg_server( xptr_t xp )
[1]	1707	{
[440]	1708	#if DEBUG_RPC_VMM_GET_VSEG
[564]	1709	thread_t * this = CURRENT_THREAD;
[440]	1710	uint32_t cycle = (uint32_t)hal_get_cycles();
	1711	if( cycle > DEBUG_RPC_VMM_GET_VSEG )
[564]	1712	printk("\n[DBG] %s : thread %x in process %x on core %d enter / cycle %d\n",
	1713	__FUNCTION__, this->trdid, this->process->pid, this->core->lid , cycle );
[440]	1714	#endif
	1715
[1]	1716	process_t * process;
	1717	intptr_t vaddr;
	1718	vseg_t * vseg_ptr;
	1719	xptr_t vseg_xp;
[389]	1720	error_t error;
[1]	1721
	1722	// get client cluster identifier and pointer on RPC descriptor
[436]	1723	cxy_t client_cxy = GET_CXY( xp );
	1724	rpc_desc_t * desc = GET_PTR( xp );
[1]	1725
	1726	// get input argument from client RPC descriptor
[564]	1727	process = (process_t *)(intptr_t)hal_remote_l64( XPTR( client_cxy , &desc->args[0] ) );
	1728	vaddr = (intptr_t)hal_remote_l64( XPTR( client_cxy , &desc->args[1] ) );
[1]	1729
	1730	// call local kernel function
[389]	1731	error = vmm_get_vseg( process , vaddr , &vseg_ptr );
[1]	1732
[389]	1733	// set output arguments to client RPC descriptor
	1734	vseg_xp = XPTR( local_cxy , vseg_ptr );
[564]	1735	hal_remote_s64( XPTR( client_cxy , &desc->args[2] ) , (uint64_t)vseg_xp );
	1736	hal_remote_s64( XPTR( client_cxy , &desc->args[3] ) , (uint64_t)error );
[296]	1737
[440]	1738	#if DEBUG_RPC_VMM_GET_VSEG
	1739	cycle = (uint32_t)hal_get_cycles();
	1740	if( cycle > DEBUG_RPC_VMM_GET_VSEG )
[564]	1741	printk("\n[DBG] %s : thread %x in process %x on core %d exit / cycle %d\n",
	1742	__FUNCTION__, this->trdid, this->process->pid, this->core->lid , cycle );
[440]	1743	#endif
[1]	1744	}
	1745
	1746
	1747	/////////////////////////////////////////////////////////////////////////////////////////
[583]	1748	// [21] Marshaling functions attached to RPC_VMM_GLOBAL_UPDATE_PTE (blocking)
[1]	1749	/////////////////////////////////////////////////////////////////////////////////////////
	1750
[583]	1751	///////////////////////////////////////////////////////
	1752	void rpc_vmm_global_update_pte_client( cxy_t cxy,
	1753	process_t * process, // in
	1754	vpn_t vpn, // in
	1755	uint32_t attr, // in
	1756	ppn_t ppn ) // in
[1]	1757	{
[583]	1758	#if DEBUG_RPC_VMM_GLOBAL_UPDATE_PTE
[564]	1759	thread_t * this = CURRENT_THREAD;
[440]	1760	uint32_t cycle = (uint32_t)hal_get_cycles();
[583]	1761	if( cycle > DEBUG_RPC_VMM_GLOBAL_UPDATE_PTE )
[564]	1762	printk("\n[DBG] %s : thread %x in process %x on core %d enter / cycle %d\n",
	1763	__FUNCTION__, this->trdid, this->process->pid, this->core->lid , cycle );
[440]	1764	#endif
	1765
[492]	1766	assert( (cxy != local_cxy) , "target cluster is not remote\n");
[1]	1767
	1768	// initialise RPC descriptor header
	1769	rpc_desc_t rpc;
[583]	1770	rpc.index = RPC_VMM_GLOBAL_UPDATE_PTE;
[416]	1771	rpc.blocking = true;
[438]	1772	rpc.responses = 1;
[1]	1773
	1774	// set input arguments in RPC descriptor
	1775	rpc.args[0] = (uint64_t)(intptr_t)process;
	1776	rpc.args[1] = (uint64_t)vpn;
[583]	1777	rpc.args[2] = (uint64_t)attr;
	1778	rpc.args[3] = (uint64_t)ppn;
[1]	1779
[436]	1780	// register RPC request in remote RPC fifo
[416]	1781	rpc_send( cxy , &rpc );
[1]	1782
[583]	1783	#if DEBUG_RPC_VMM_GLOBAL_UPDATE_PTE
[440]	1784	cycle = (uint32_t)hal_get_cycles();
[583]	1785	if( cycle > DEBUG_RPC_VMM_GLOBAL_UPDATE_PTE )
[564]	1786	printk("\n[DBG] %s : thread %x in process %x on core %d exit / cycle %d\n",
	1787	__FUNCTION__, this->trdid, this->process->pid, this->core->lid , cycle );
[440]	1788	#endif
[1]	1789	}
	1790
[583]	1791	//////////////////////////////////////////////////
	1792	void rpc_vmm_global_update_pte_server( xptr_t xp )
[1]	1793	{
[583]	1794	#if DEBUG_RPC_VMM_GLOBAL_UPDATE_PTE
[564]	1795	thread_t * this = CURRENT_THREAD;
[440]	1796	uint32_t cycle = (uint32_t)hal_get_cycles();
[583]	1797	if( cycle > DEBUG_RPC_VMM_GLOBAL_UPDATE_PTE )
[564]	1798	printk("\n[DBG] %s : thread %x in process %x on core %d enter / cycle %d\n",
	1799	__FUNCTION__, this->trdid, this->process->pid, this->core->lid , cycle );
[440]	1800	#endif
	1801
[1]	1802	process_t * process;
	1803	vpn_t vpn;
	1804	uint32_t attr;
	1805	ppn_t ppn;
	1806
	1807	// get client cluster identifier and pointer on RPC descriptor
[436]	1808	cxy_t client_cxy = GET_CXY( xp );
	1809	rpc_desc_t * desc = GET_PTR( xp );
[1]	1810
	1811	// get input argument "process" & "vpn" from client RPC descriptor
[564]	1812	process = (process_t *)(intptr_t)hal_remote_l64( XPTR( client_cxy , &desc->args[0] ) );
	1813	vpn = (vpn_t) hal_remote_l64( XPTR( client_cxy , &desc->args[1] ) );
[583]	1814	attr = (uint32_t) hal_remote_l64( XPTR( client_cxy , &desc->args[2] ) );
	1815	ppn = (ppn_t) hal_remote_l64( XPTR( client_cxy , &desc->args[3] ) );
[1]	1816
	1817	// call local kernel function
[583]	1818	vmm_global_update_pte( process , vpn , attr , ppn );
[1]	1819
[583]	1820	#if DEBUG_RPC_VMM_GLOBAL_UPDATE_PTE
[440]	1821	cycle = (uint32_t)hal_get_cycles();
[583]	1822	if( cycle > DEBUG_RPC_VMM_GLOBAL_UPDATE_PTE )
[564]	1823	printk("\n[DBG] %s : thread %x in process %x on core %d exit / cycle %d\n",
	1824	__FUNCTION__, this->trdid, this->process->pid, this->core->lid , cycle );
[440]	1825	#endif
[1]	1826	}
	1827
	1828	/////////////////////////////////////////////////////////////////////////////////////////
[409]	1829	// [22] Marshaling functions attached to RPC_KCM_ALLOC (blocking)
[1]	1830	/////////////////////////////////////////////////////////////////////////////////////////
	1831
[23]	1832	//////////////////////////////////////////
	1833	void rpc_kcm_alloc_client( cxy_t cxy,
	1834	uint32_t kmem_type, // in
	1835	xptr_t * buf_xp ) // out
[1]	1836	{
[564]	1837	#if DEBUG_RPC_KCM_ALLOC
	1838	thread_t * this = CURRENT_THREAD;
	1839	uint32_t cycle = (uint32_t)hal_get_cycles();
	1840	if( cycle > DEBUG_RPC_KCM_ALLOC )
	1841	printk("\n[DBG] %s : thread %x in process %x on core %d enter / cycle %d\n",
	1842	__FUNCTION__, this->trdid, this->process->pid, this->core->lid , cycle );
	1843	#endif
	1844
[492]	1845	assert( (cxy != local_cxy) , "target cluster is not remote\n");
[1]	1846
	1847	// initialise RPC descriptor header
	1848	rpc_desc_t rpc;
[441]	1849	rpc.index = RPC_KCM_ALLOC;
[416]	1850	rpc.blocking = true;
[438]	1851	rpc.responses = 1;
[1]	1852
[23]	1853	// set input arguments in RPC descriptor
	1854	rpc.args[0] = (uint64_t)kmem_type;
	1855
[436]	1856	// register RPC request in remote RPC fifo
[416]	1857	rpc_send( cxy , &rpc );
[1]	1858
	1859	// get output arguments from RPC descriptor
[23]	1860	*buf_xp = (xptr_t)rpc.args[1];
[279]	1861
[564]	1862	#if DEBUG_RPC_KCM_ALLOC
	1863	cycle = (uint32_t)hal_get_cycles();
	1864	if( cycle > DEBUG_RPC_KCM_ALLOC )
	1865	printk("\n[DBG] %s : thread %x in process %x on core %d exit / cycle %d\n",
	1866	__FUNCTION__, this->trdid, this->process->pid, this->core->lid , cycle );
	1867	#endif
[1]	1868	}
	1869
[23]	1870	//////////////////////////////////////
	1871	void rpc_kcm_alloc_server( xptr_t xp )
[1]	1872	{
[564]	1873	#if DEBUG_RPC_KCM_ALLOC
	1874	thread_t * this = CURRENT_THREAD;
	1875	uint32_t cycle = (uint32_t)hal_get_cycles();
	1876	if( cycle > DEBUG_RPC_KCM_ALLOC )
	1877	printk("\n[DBG] %s : thread %x in process %x on core %d enter / cycle %d\n",
	1878	__FUNCTION__, this->trdid, this->process->pid, this->core->lid , cycle );
	1879	#endif
	1880
[1]	1881	// get client cluster identifier and pointer on RPC descriptor
[436]	1882	cxy_t client_cxy = GET_CXY( xp );
[438]	1883	rpc_desc_t * desc = GET_PTR( xp );
[1]	1884
[23]	1885	// get input argument "kmem_type" from client RPC descriptor
[564]	1886	uint32_t kmem_type = (uint32_t)hal_remote_l64( XPTR( client_cxy , &desc->args[0] ) );
[23]	1887
	1888	// allocates memory for kcm
[1]	1889	kmem_req_t req;
[23]	1890	req.type = kmem_type;
[1]	1891	req.flags = AF_ZERO;
[23]	1892	void * buf_ptr = kmem_alloc( &req );
[1]	1893
	1894	// set output argument
[23]	1895	xptr_t buf_xp = XPTR( local_cxy , buf_ptr );
[564]	1896	hal_remote_s64( XPTR( client_cxy , &desc->args[1] ) , (uint64_t)buf_xp );
[296]	1897
[564]	1898	#if DEBUG_RPC_KCM_ALLOC
	1899	cycle = (uint32_t)hal_get_cycles();
	1900	if( cycle > DEBUG_RPC_KCM_ALLOC )
	1901	printk("\n[DBG] %s : thread %x in process %x on core %d exit / cycle %d\n",
	1902	__FUNCTION__, this->trdid, this->process->pid, this->core->lid , cycle );
	1903	#endif
[1]	1904	}
	1905
	1906	/////////////////////////////////////////////////////////////////////////////////////////
[409]	1907	// [23] Marshaling functions attached to RPC_KCM_FREE (blocking)
[1]	1908	/////////////////////////////////////////////////////////////////////////////////////////
	1909
[23]	1910	/////////////////////////////////////////
	1911	void rpc_kcm_free_client( cxy_t cxy,
	1912	void * buf, // in
	1913	uint32_t kmem_type ) // in
[1]	1914	{
[564]	1915	#if DEBUG_RPC_KCM_FREE
	1916	thread_t * this = CURRENT_THREAD;
	1917	uint32_t cycle = (uint32_t)hal_get_cycles();
	1918	if( cycle > DEBUG_RPC_KCM_FREE )
	1919	printk("\n[DBG] %s : thread %x in process %x on core %d enter / cycle %d\n",
	1920	__FUNCTION__, this->trdid, this->process->pid, this->core->lid , cycle );
	1921	#endif
	1922
[492]	1923	assert( (cxy != local_cxy) , "target cluster is not remote\n");
[1]	1924
	1925	// initialise RPC descriptor header
	1926	rpc_desc_t rpc;
[441]	1927	rpc.index = RPC_KCM_FREE;
[416]	1928	rpc.blocking = true;
[438]	1929	rpc.responses = 1;
[1]	1930
	1931	// set input arguments in RPC descriptor
[23]	1932	rpc.args[0] = (uint64_t)(intptr_t)buf;
	1933	rpc.args[1] = (uint64_t)kmem_type;
[1]	1934
[436]	1935	// register RPC request in remote RPC fifo
[416]	1936	rpc_send( cxy , &rpc );
[279]	1937
[564]	1938	#if DEBUG_RPC_KCM_FREE
	1939	cycle = (uint32_t)hal_get_cycles();
	1940	if( cycle > DEBUG_RPC_KCM_FREE )
	1941	printk("\n[DBG] %s : thread %x in process %x on core %d exit / cycle %d\n",
	1942	__FUNCTION__, this->trdid, this->process->pid, this->core->lid , cycle );
	1943	#endif
[1]	1944	}
	1945
[23]	1946	/////////////////////////////////////
	1947	void rpc_kcm_free_server( xptr_t xp )
[1]	1948	{
[564]	1949	#if DEBUG_RPC_KCM_FREE
	1950	thread_t * this = CURRENT_THREAD;
	1951	uint32_t cycle = (uint32_t)hal_get_cycles();
	1952	if( cycle > DEBUG_RPC_KCM_FREE )
	1953	printk("\n[DBG] %s : thread %x in process %x on core %d enter / cycle %d\n",
	1954	__FUNCTION__, this->trdid, this->process->pid, this->core->lid , cycle );
	1955	#endif
	1956
[1]	1957	// get client cluster identifier and pointer on RPC descriptor
[436]	1958	cxy_t client_cxy = GET_CXY( xp );
[438]	1959	rpc_desc_t * desc = GET_PTR( xp );
[1]	1960
[23]	1961	// get input arguments "buf" and "kmem_type" from client RPC descriptor
[564]	1962	void * buf = (void *)(intptr_t)hal_remote_l64( XPTR( client_cxy , &desc->args[0] ) );
	1963	uint32_t kmem_type = (uint32_t)hal_remote_l64( XPTR( client_cxy , &desc->args[1] ) );
[1]	1964
	1965	// releases memory
	1966	kmem_req_t req;
[23]	1967	req.type = kmem_type;
	1968	req.ptr = buf;
	1969	kmem_free( &req );
[296]	1970
[564]	1971	#if DEBUG_RPC_KCM_FREE
	1972	cycle = (uint32_t)hal_get_cycles();
	1973	if( cycle > DEBUG_RPC_KCM_FREE )
	1974	printk("\n[DBG] %s : thread %x in process %x on core %d exit / cycle %d\n",
	1975	__FUNCTION__, this->trdid, this->process->pid, this->core->lid , cycle );
	1976	#endif
[1]	1977	}
	1978
	1979	/////////////////////////////////////////////////////////////////////////////////////////
[265]	1980	// [24] Marshaling functions attached to RPC_MAPPER_MOVE_BUFFER
[1]	1981	/////////////////////////////////////////////////////////////////////////////////////////
	1982
[265]	1983	///////////////////////////////////////////////////
	1984	void rpc_mapper_move_buffer_client( cxy_t cxy,
	1985	mapper_t * mapper, // in
	1986	bool_t to_buffer, // in
	1987	bool_t is_user, // in
	1988	uint32_t file_offset, // in
[313]	1989	uint64_t buffer, // in
[265]	1990	uint32_t size, // in
	1991	error_t * error ) // out
[1]	1992	{
[492]	1993	assert( (cxy != local_cxy) , "target cluster is not remote\n");
[1]	1994
	1995	// initialise RPC descriptor header
	1996	rpc_desc_t rpc;
[265]	1997	rpc.index = RPC_MAPPER_MOVE_BUFFER;
[416]	1998	rpc.blocking = true;
[438]	1999	rpc.responses = 1;
[1]	2000
	2001	// set input arguments in RPC descriptor
	2002	rpc.args[0] = (uint64_t)(intptr_t)mapper;
[23]	2003	rpc.args[1] = (uint64_t)to_buffer;
[265]	2004	rpc.args[2] = (uint64_t)is_user;
	2005	rpc.args[3] = (uint64_t)file_offset;
[313]	2006	rpc.args[4] = (uint64_t)buffer;
[265]	2007	rpc.args[5] = (uint64_t)size;
[1]	2008
[436]	2009	// register RPC request in remote RPC fifo
[416]	2010	rpc_send( cxy , &rpc );
[1]	2011
[23]	2012	// get output values from RPC descriptor
[265]	2013	*error = (error_t)rpc.args[6];
[279]	2014
[1]	2015	}
	2016
[265]	2017	///////////////////////////////////////////////
	2018	void rpc_mapper_move_buffer_server( xptr_t xp )
[1]	2019	{
[23]	2020	mapper_t * mapper;
[265]	2021	bool_t to_buffer;
	2022	bool_t is_user;
[23]	2023	uint32_t file_offset;
[313]	2024	void * user_buffer;
	2025	xptr_t kern_buffer;
[23]	2026	uint32_t size;
	2027	error_t error;
[1]	2028
	2029	// get client cluster identifier and pointer on RPC descriptor
[436]	2030	cxy_t client_cxy = GET_CXY( xp );
	2031	rpc_desc_t * desc = GET_PTR( xp );
[1]	2032
[23]	2033	// get arguments from client RPC descriptor
[564]	2034	mapper = (mapper_t *)(intptr_t)hal_remote_l64( XPTR( client_cxy , &desc->args[0] ) );
	2035	to_buffer = hal_remote_l64( XPTR( client_cxy , &desc->args[1] ) );
	2036	is_user = hal_remote_l64( XPTR( client_cxy , &desc->args[2] ) );
	2037	file_offset = hal_remote_l64( XPTR( client_cxy , &desc->args[3] ) );
	2038	size = hal_remote_l64( XPTR( client_cxy , &desc->args[5] ) );
[1]	2039
[23]	2040	// call local kernel function
[313]	2041	if( is_user )
	2042	{
[564]	2043	user_buffer = (void *)(intptr_t)hal_remote_l64( XPTR( client_cxy , &desc->args[4] ) );
[1]	2044
[315]	2045	error = mapper_move_user( mapper,
	2046	to_buffer,
	2047	file_offset,
	2048	user_buffer,
	2049	size );
[313]	2050	}
	2051	else
	2052	{
[564]	2053	kern_buffer = (xptr_t)hal_remote_l64( XPTR( client_cxy , &desc->args[4] ) );
[313]	2054
[315]	2055	error = mapper_move_kernel( mapper,
	2056	to_buffer,
	2057	file_offset,
	2058	kern_buffer,
	2059	size );
[313]	2060	}
	2061
[23]	2062	// set output argument to client RPC descriptor
[564]	2063	hal_remote_s64( XPTR( client_cxy , &desc->args[6] ) , (uint64_t)error );
[296]	2064
[1]	2065	}
	2066
[313]	2067	/////////////////////////////////////////////////////////////////////////////////////////
[409]	2068	// [25] Marshaling functions attached to RPC_MAPPER_GET_PAGE (blocking)
[313]	2069	/////////////////////////////////////////////////////////////////////////////////////////
	2070
	2071	///////////////////////////////////////////////////////
	2072	void rpc_mapper_get_page_client( cxy_t cxy,
	2073	struct mapper_s * mapper, // in
	2074	uint32_t index, // in
	2075	page_t ** page ) // out
	2076	{
[492]	2077	assert( (cxy != local_cxy) , "target cluster is not remote\n");
[313]	2078
	2079	// initialise RPC descriptor header
	2080	rpc_desc_t rpc;
	2081	rpc.index = RPC_MAPPER_GET_PAGE;
[416]	2082	rpc.blocking = true;
[438]	2083	rpc.responses = 1;
[313]	2084
	2085	// set input arguments in RPC descriptor
	2086	rpc.args[0] = (uint64_t)(intptr_t)mapper;
	2087	rpc.args[1] = (uint64_t)index;
	2088
[436]	2089	// register RPC request in remote RPC fifo
[416]	2090	rpc_send( cxy , &rpc );
[313]	2091
	2092	// get output values from RPC descriptor
	2093	page = (page_t )(intptr_t)rpc.args[2];
	2094
	2095	}
	2096
	2097	////////////////////////////////////////////
	2098	void rpc_mapper_get_page_server( xptr_t xp )
	2099	{
	2100	// get client cluster identifier and pointer on RPC descriptor
[436]	2101	cxy_t cxy = GET_CXY( xp );
	2102	rpc_desc_t * desc = GET_PTR( xp );
[313]	2103
	2104	// get input arguments from client RPC descriptor
[564]	2105	mapper_t * mapper = (mapper_t *)(intptr_t)hal_remote_l64( XPTR( cxy , &desc->args[0] ) );
	2106	uint32_t index = (uint32_t) hal_remote_l64( XPTR( cxy , &desc->args[1] ) );
[313]	2107
	2108	// call local pmem allocator
	2109	page_t * page = mapper_get_page( mapper , index );
	2110
	2111	// set output arguments into client RPC descriptor
[564]	2112	hal_remote_s64( XPTR( cxy , &desc->args[1] ) , (uint64_t)(intptr_t)page );
[313]	2113
	2114	}
	2115
[407]	2116	/////////////////////////////////////////////////////////////////////////////////////////
[409]	2117	// [26] Marshaling functions attached to RPC_VMM_CREATE_VSEG (blocking)
[407]	2118	/////////////////////////////////////////////////////////////////////////////////////////
[313]	2119
[407]	2120	////////////////////////////////////////////////////////
	2121	void rpc_vmm_create_vseg_client( cxy_t cxy,
	2122	struct process_s * process,
	2123	vseg_type_t type,
	2124	intptr_t base,
	2125	uint32_t size,
	2126	uint32_t file_offset,
	2127	uint32_t file_size,
	2128	xptr_t mapper_xp,
	2129	cxy_t vseg_cxy,
	2130	struct vseg_s ** vseg )
	2131	{
[492]	2132	assert( (cxy != local_cxy) , "target cluster is not remote\n");
[407]	2133
	2134	// initialise RPC descriptor header
	2135	rpc_desc_t rpc;
	2136	rpc.index = RPC_VMM_CREATE_VSEG;
[416]	2137	rpc.blocking = true;
[438]	2138	rpc.responses = 1;
[407]	2139
	2140	// set input arguments in RPC descriptor
	2141	rpc.args[0] = (uint64_t)(intptr_t)process;
	2142	rpc.args[1] = (uint64_t)type;
	2143	rpc.args[2] = (uint64_t)base;
	2144	rpc.args[3] = (uint64_t)size;
	2145	rpc.args[4] = (uint64_t)file_offset;
	2146	rpc.args[5] = (uint64_t)file_size;
	2147	rpc.args[6] = (uint64_t)mapper_xp;
	2148	rpc.args[7] = (uint64_t)vseg_cxy;
	2149
[436]	2150	// register RPC request in remote RPC fifo
[416]	2151	rpc_send( cxy , &rpc );
[407]	2152
	2153	// get output values from RPC descriptor
	2154	vseg = (vseg_t )(intptr_t)rpc.args[8];
	2155
	2156	}
	2157
	2158	////////////////////////////////////////////
	2159	void rpc_vmm_create_vseg_server( xptr_t xp )
	2160	{
	2161	// get client cluster identifier and pointer on RPC descriptor
[436]	2162	cxy_t cxy = GET_CXY( xp );
	2163	rpc_desc_t * desc = GET_PTR( xp );
[407]	2164
	2165	// get input arguments from client RPC descriptor
[564]	2166	process_t * process = (process_t *)(intptr_t)hal_remote_l64( XPTR(cxy , &desc->args[0]));
	2167	vseg_type_t type = (vseg_type_t)(uint32_t)hal_remote_l64( XPTR(cxy , &desc->args[1]));
	2168	intptr_t base = (intptr_t) hal_remote_l64( XPTR(cxy , &desc->args[2]));
	2169	uint32_t size = (uint32_t) hal_remote_l64( XPTR(cxy , &desc->args[3]));
	2170	uint32_t file_offset = (uint32_t) hal_remote_l64( XPTR(cxy , &desc->args[4]));
	2171	uint32_t file_size = (uint32_t) hal_remote_l64( XPTR(cxy , &desc->args[5]));
	2172	xptr_t mapper_xp = (xptr_t) hal_remote_l64( XPTR(cxy , &desc->args[6]));
	2173	cxy_t vseg_cxy = (cxy_t)(uint32_t) hal_remote_l64( XPTR(cxy , &desc->args[7]));
[407]	2174
	2175	// call local kernel function
	2176	vseg_t * vseg = vmm_create_vseg( process,
	2177	type,
	2178	base,
	2179	size,
	2180	file_offset,
	2181	file_size,
	2182	mapper_xp,
	2183	vseg_cxy );
	2184
	2185	// set output arguments into client RPC descriptor
[564]	2186	hal_remote_s64( XPTR( cxy , &desc->args[8] ) , (uint64_t)(intptr_t)vseg );
[407]	2187
	2188	}
	2189
	2190	/////////////////////////////////////////////////////////////////////////////////////////
[450]	2191	// [27] undefined slot
[407]	2192	/////////////////////////////////////////////////////////////////////////////////////////
	2193
[408]	2194	/////////////////////////////////////////////////////////////////////////////////////////
[409]	2195	// [28] Marshaling functions attached to RPC_VMM_SET_COW (blocking)
[408]	2196	/////////////////////////////////////////////////////////////////////////////////////////
	2197
	2198	/////////////////////////////////////////////
	2199	void rpc_vmm_set_cow_client( cxy_t cxy,
	2200	process_t * process )
	2201	{
[492]	2202	assert( (cxy != local_cxy) , "target cluster is not remote\n");
[408]	2203
	2204	// initialise RPC descriptor header
	2205	rpc_desc_t rpc;
	2206	rpc.index = RPC_VMM_SET_COW;
[416]	2207	rpc.blocking = true;
[438]	2208	rpc.responses = 1;
[408]	2209
	2210	// set input arguments in RPC descriptor
	2211	rpc.args[0] = (uint64_t)(intptr_t)process;
	2212
[436]	2213	// register RPC request in remote RPC fifo
[416]	2214	rpc_send( cxy , &rpc );
[408]	2215
	2216	}
	2217
	2218	////////////////////////////////////////
	2219	void rpc_vmm_set_cow_server( xptr_t xp )
	2220	{
	2221	process_t * process;
	2222
	2223	// get client cluster identifier and pointer on RPC descriptor
[436]	2224	cxy_t cxy = GET_CXY( xp );
	2225	rpc_desc_t * desc = GET_PTR( xp );
[408]	2226
	2227	// get input arguments from client RPC descriptor
[564]	2228	process = (process_t *)(intptr_t)hal_remote_l64( XPTR(cxy , &desc->args[0]));
[408]	2229
	2230	// call local kernel function
	2231	vmm_set_cow( process );
	2232
	2233	}
	2234
[428]	2235	/////////////////////////////////////////////////////////////////////////////////////////
	2236	// [29] Marshaling functions attached to RPC_VMM_DISPLAY (blocking)
	2237	/////////////////////////////////////////////////////////////////////////////////////////
[1]	2238
[428]	2239	/////////////////////////////////////////////
	2240	void rpc_vmm_display_client( cxy_t cxy,
	2241	process_t * process,
	2242	bool_t detailed )
	2243	{
[492]	2244	assert( (cxy != local_cxy) , "target cluster is not remote\n");
[428]	2245
	2246	// initialise RPC descriptor header
	2247	rpc_desc_t rpc;
	2248	rpc.index = RPC_VMM_DISPLAY;
	2249	rpc.blocking = true;
[438]	2250	rpc.responses = 1;
[428]	2251
	2252	// set input arguments in RPC descriptor
	2253	rpc.args[0] = (uint64_t)(intptr_t)process;
	2254	rpc.args[1] = (uint64_t)detailed;
	2255
[436]	2256	// register RPC request in remote RPC fifo
[428]	2257	rpc_send( cxy , &rpc );
	2258
	2259	}
	2260
	2261	////////////////////////////////////////
	2262	void rpc_vmm_display_server( xptr_t xp )
	2263	{
	2264	process_t * process;
	2265	bool_t detailed;
	2266
	2267	// get client cluster identifier and pointer on RPC descriptor
[436]	2268	cxy_t cxy = GET_CXY( xp );
	2269	rpc_desc_t * desc = GET_PTR( xp );
[428]	2270
	2271	// get input arguments from client RPC descriptor
[564]	2272	process = (process_t *)(intptr_t)hal_remote_l64( XPTR(cxy , &desc->args[0]));
	2273	detailed = (bool_t) hal_remote_l64( XPTR(cxy , &desc->args[1]));
[428]	2274
	2275	// call local kernel function
	2276	vmm_display( process , detailed );
	2277
	2278	}
	2279
	2280

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