etherlabmaster: drivers/ec_module.c@6b3b8acb71b5 (annotated)

27 d75ef6b46e33 EtherCAT-Master in eigenes Modul ausgelagert. Florian Pose <fp@igh-essen.com> parents: diff changeset	1	/******************************************************************************
d75ef6b46e33 EtherCAT-Master in eigenes Modul ausgelagert. Florian Pose <fp@igh-essen.com> parents: diff changeset	2	*
d75ef6b46e33 EtherCAT-Master in eigenes Modul ausgelagert. Florian Pose <fp@igh-essen.com> parents: diff changeset	3	* ec_module.c
d75ef6b46e33 EtherCAT-Master in eigenes Modul ausgelagert. Florian Pose <fp@igh-essen.com> parents: diff changeset	4	*
d75ef6b46e33 EtherCAT-Master in eigenes Modul ausgelagert. Florian Pose <fp@igh-essen.com> parents: diff changeset	5	* EtherCAT-Master-Treiber
d75ef6b46e33 EtherCAT-Master in eigenes Modul ausgelagert. Florian Pose <fp@igh-essen.com> parents: diff changeset	6	*
d75ef6b46e33 EtherCAT-Master in eigenes Modul ausgelagert. Florian Pose <fp@igh-essen.com> parents: diff changeset	7	* Autoren: Wilhelm Hagemeister, Florian Pose
d75ef6b46e33 EtherCAT-Master in eigenes Modul ausgelagert. Florian Pose <fp@igh-essen.com> parents: diff changeset	8	*
d75ef6b46e33 EtherCAT-Master in eigenes Modul ausgelagert. Florian Pose <fp@igh-essen.com> parents: diff changeset	9	* $Id$
d75ef6b46e33 EtherCAT-Master in eigenes Modul ausgelagert. Florian Pose <fp@igh-essen.com> parents: diff changeset	10	*
d75ef6b46e33 EtherCAT-Master in eigenes Modul ausgelagert. Florian Pose <fp@igh-essen.com> parents: diff changeset	11	* (C) Copyright IgH 2005
d75ef6b46e33 EtherCAT-Master in eigenes Modul ausgelagert. Florian Pose <fp@igh-essen.com> parents: diff changeset	12	* Ingenieurgemeinschaft IgH
d75ef6b46e33 EtherCAT-Master in eigenes Modul ausgelagert. Florian Pose <fp@igh-essen.com> parents: diff changeset	13	* Heinz-Bäcker Str. 34
d75ef6b46e33 EtherCAT-Master in eigenes Modul ausgelagert. Florian Pose <fp@igh-essen.com> parents: diff changeset	14	* D-45356 Essen
d75ef6b46e33 EtherCAT-Master in eigenes Modul ausgelagert. Florian Pose <fp@igh-essen.com> parents: diff changeset	15	* Tel.: +49 201/61 99 31
d75ef6b46e33 EtherCAT-Master in eigenes Modul ausgelagert. Florian Pose <fp@igh-essen.com> parents: diff changeset	16	* Fax.: +49 201/61 98 36
d75ef6b46e33 EtherCAT-Master in eigenes Modul ausgelagert. Florian Pose <fp@igh-essen.com> parents: diff changeset	17	* E-mail: sp@igh-essen.com
d75ef6b46e33 EtherCAT-Master in eigenes Modul ausgelagert. Florian Pose <fp@igh-essen.com> parents: diff changeset	18	*
39 6965c23a6826 likely/unlikely, Fehlermeldungen in zyklischem Code begrenzt und Kommentare ge??ndert. Florian Pose <fp@igh-essen.com> parents: 34 diff changeset	19	*****************************************************************************/
27 d75ef6b46e33 EtherCAT-Master in eigenes Modul ausgelagert. Florian Pose <fp@igh-essen.com> parents: diff changeset	20
d75ef6b46e33 EtherCAT-Master in eigenes Modul ausgelagert. Florian Pose <fp@igh-essen.com> parents: diff changeset	21	#include <linux/module.h>
d75ef6b46e33 EtherCAT-Master in eigenes Modul ausgelagert. Florian Pose <fp@igh-essen.com> parents: diff changeset	22	#include <linux/kernel.h>
d75ef6b46e33 EtherCAT-Master in eigenes Modul ausgelagert. Florian Pose <fp@igh-essen.com> parents: diff changeset	23	#include <linux/init.h>
d75ef6b46e33 EtherCAT-Master in eigenes Modul ausgelagert. Florian Pose <fp@igh-essen.com> parents: diff changeset	24
d75ef6b46e33 EtherCAT-Master in eigenes Modul ausgelagert. Florian Pose <fp@igh-essen.com> parents: diff changeset	25	#include "ec_module.h"
d75ef6b46e33 EtherCAT-Master in eigenes Modul ausgelagert. Florian Pose <fp@igh-essen.com> parents: diff changeset	26
52 c0405659a74a Neues Interface. Florian Pose <fp@igh-essen.com> parents: 42 diff changeset	27	int __init ecat_init_module(void);
c0405659a74a Neues Interface. Florian Pose <fp@igh-essen.com> parents: 42 diff changeset	28	void __exit ecat_cleanup_module(void);
c0405659a74a Neues Interface. Florian Pose <fp@igh-essen.com> parents: 42 diff changeset	29
39 6965c23a6826 likely/unlikely, Fehlermeldungen in zyklischem Code begrenzt und Kommentare ge??ndert. Florian Pose <fp@igh-essen.com> parents: 34 diff changeset	30	/*****************************************************************************/
6965c23a6826 likely/unlikely, Fehlermeldungen in zyklischem Code begrenzt und Kommentare ge??ndert. Florian Pose <fp@igh-essen.com> parents: 34 diff changeset	31
6965c23a6826 likely/unlikely, Fehlermeldungen in zyklischem Code begrenzt und Kommentare ge??ndert. Florian Pose <fp@igh-essen.com> parents: 34 diff changeset	32	#define LIT(X) #X
6965c23a6826 likely/unlikely, Fehlermeldungen in zyklischem Code begrenzt und Kommentare ge??ndert. Florian Pose <fp@igh-essen.com> parents: 34 diff changeset	33	#define STR(X) LIT(X)
6965c23a6826 likely/unlikely, Fehlermeldungen in zyklischem Code begrenzt und Kommentare ge??ndert. Florian Pose <fp@igh-essen.com> parents: 34 diff changeset	34
6965c23a6826 likely/unlikely, Fehlermeldungen in zyklischem Code begrenzt und Kommentare ge??ndert. Florian Pose <fp@igh-essen.com> parents: 34 diff changeset	35	#define COMPILE_INFO "Revision " STR(EC_REV) \
6965c23a6826 likely/unlikely, Fehlermeldungen in zyklischem Code begrenzt und Kommentare ge??ndert. Florian Pose <fp@igh-essen.com> parents: 34 diff changeset	36	", compiled by " STR(EC_USER) \
6965c23a6826 likely/unlikely, Fehlermeldungen in zyklischem Code begrenzt und Kommentare ge??ndert. Florian Pose <fp@igh-essen.com> parents: 34 diff changeset	37	" at " STR(EC_DATE)
6965c23a6826 likely/unlikely, Fehlermeldungen in zyklischem Code begrenzt und Kommentare ge??ndert. Florian Pose <fp@igh-essen.com> parents: 34 diff changeset	38
6965c23a6826 likely/unlikely, Fehlermeldungen in zyklischem Code begrenzt und Kommentare ge??ndert. Florian Pose <fp@igh-essen.com> parents: 34 diff changeset	39	/*****************************************************************************/
27 d75ef6b46e33 EtherCAT-Master in eigenes Modul ausgelagert. Florian Pose <fp@igh-essen.com> parents: diff changeset	40
d75ef6b46e33 EtherCAT-Master in eigenes Modul ausgelagert. Florian Pose <fp@igh-essen.com> parents: diff changeset	41	int ecat_master_count = 1;
d75ef6b46e33 EtherCAT-Master in eigenes Modul ausgelagert. Florian Pose <fp@igh-essen.com> parents: diff changeset	42	EtherCAT_master_t *ecat_masters = NULL;
33 f4171b8aadf8 Master-Reservierung und Use-Count f?r NIC-Treiber. Florian Pose <fp@igh-essen.com> parents: 27 diff changeset	43	int *ecat_masters_reserved = NULL;
27 d75ef6b46e33 EtherCAT-Master in eigenes Modul ausgelagert. Florian Pose <fp@igh-essen.com> parents: diff changeset	44
39 6965c23a6826 likely/unlikely, Fehlermeldungen in zyklischem Code begrenzt und Kommentare ge??ndert. Florian Pose <fp@igh-essen.com> parents: 34 diff changeset	45	/*****************************************************************************/
6965c23a6826 likely/unlikely, Fehlermeldungen in zyklischem Code begrenzt und Kommentare ge??ndert. Florian Pose <fp@igh-essen.com> parents: 34 diff changeset	46
6965c23a6826 likely/unlikely, Fehlermeldungen in zyklischem Code begrenzt und Kommentare ge??ndert. Florian Pose <fp@igh-essen.com> parents: 34 diff changeset	47	MODULE_AUTHOR ("Wilhelm Hagemeister <hm@igh-essen.com>,"
6965c23a6826 likely/unlikely, Fehlermeldungen in zyklischem Code begrenzt und Kommentare ge??ndert. Florian Pose <fp@igh-essen.com> parents: 34 diff changeset	48	"Florian Pose <fp@igh-essen.com>");
27 d75ef6b46e33 EtherCAT-Master in eigenes Modul ausgelagert. Florian Pose <fp@igh-essen.com> parents: diff changeset	49	MODULE_DESCRIPTION ("EtherCAT master driver module");
d75ef6b46e33 EtherCAT-Master in eigenes Modul ausgelagert. Florian Pose <fp@igh-essen.com> parents: diff changeset	50	MODULE_LICENSE("GPL");
34 c1e8d61fa395 Compile-Informationen hinzugef?gt. Florian Pose <fp@igh-essen.com> parents: 33 diff changeset	51	MODULE_VERSION(COMPILE_INFO);
27 d75ef6b46e33 EtherCAT-Master in eigenes Modul ausgelagert. Florian Pose <fp@igh-essen.com> parents: diff changeset	52
d75ef6b46e33 EtherCAT-Master in eigenes Modul ausgelagert. Florian Pose <fp@igh-essen.com> parents: diff changeset	53	module_param(ecat_master_count, int, 1);
39 6965c23a6826 likely/unlikely, Fehlermeldungen in zyklischem Code begrenzt und Kommentare ge??ndert. Florian Pose <fp@igh-essen.com> parents: 34 diff changeset	54	MODULE_PARM_DESC(ecat_master_count,
6965c23a6826 likely/unlikely, Fehlermeldungen in zyklischem Code begrenzt und Kommentare ge??ndert. Florian Pose <fp@igh-essen.com> parents: 34 diff changeset	55	"Number of EtherCAT master to initialize.");
27 d75ef6b46e33 EtherCAT-Master in eigenes Modul ausgelagert. Florian Pose <fp@igh-essen.com> parents: diff changeset	56
d75ef6b46e33 EtherCAT-Master in eigenes Modul ausgelagert. Florian Pose <fp@igh-essen.com> parents: diff changeset	57	module_init(ecat_init_module);
d75ef6b46e33 EtherCAT-Master in eigenes Modul ausgelagert. Florian Pose <fp@igh-essen.com> parents: diff changeset	58	module_exit(ecat_cleanup_module);
d75ef6b46e33 EtherCAT-Master in eigenes Modul ausgelagert. Florian Pose <fp@igh-essen.com> parents: diff changeset	59
33 f4171b8aadf8 Master-Reservierung und Use-Count f?r NIC-Treiber. Florian Pose <fp@igh-essen.com> parents: 27 diff changeset	60	EXPORT_SYMBOL(EtherCAT_register_device);
f4171b8aadf8 Master-Reservierung und Use-Count f?r NIC-Treiber. Florian Pose <fp@igh-essen.com> parents: 27 diff changeset	61	EXPORT_SYMBOL(EtherCAT_unregister_device);
f4171b8aadf8 Master-Reservierung und Use-Count f?r NIC-Treiber. Florian Pose <fp@igh-essen.com> parents: 27 diff changeset	62	EXPORT_SYMBOL(EtherCAT_request);
f4171b8aadf8 Master-Reservierung und Use-Count f?r NIC-Treiber. Florian Pose <fp@igh-essen.com> parents: 27 diff changeset	63	EXPORT_SYMBOL(EtherCAT_release);
27 d75ef6b46e33 EtherCAT-Master in eigenes Modul ausgelagert. Florian Pose <fp@igh-essen.com> parents: diff changeset	64
39 6965c23a6826 likely/unlikely, Fehlermeldungen in zyklischem Code begrenzt und Kommentare ge??ndert. Florian Pose <fp@igh-essen.com> parents: 34 diff changeset	65	/*****************************************************************************/
27 d75ef6b46e33 EtherCAT-Master in eigenes Modul ausgelagert. Florian Pose <fp@igh-essen.com> parents: diff changeset	66
d75ef6b46e33 EtherCAT-Master in eigenes Modul ausgelagert. Florian Pose <fp@igh-essen.com> parents: diff changeset	67	/**
d75ef6b46e33 EtherCAT-Master in eigenes Modul ausgelagert. Florian Pose <fp@igh-essen.com> parents: diff changeset	68	Init-Funktion des EtherCAT-Master-Treibermodules
d75ef6b46e33 EtherCAT-Master in eigenes Modul ausgelagert. Florian Pose <fp@igh-essen.com> parents: diff changeset	69
d75ef6b46e33 EtherCAT-Master in eigenes Modul ausgelagert. Florian Pose <fp@igh-essen.com> parents: diff changeset	70	Initialisiert soviele Master, wie im Parameter ecat_master_count
d75ef6b46e33 EtherCAT-Master in eigenes Modul ausgelagert. Florian Pose <fp@igh-essen.com> parents: diff changeset	71	angegeben wurde (Default ist 1).
d75ef6b46e33 EtherCAT-Master in eigenes Modul ausgelagert. Florian Pose <fp@igh-essen.com> parents: diff changeset	72
d75ef6b46e33 EtherCAT-Master in eigenes Modul ausgelagert. Florian Pose <fp@igh-essen.com> parents: diff changeset	73	@returns 0, wenn alles o.k., -1 bei ungueltiger Anzahl Master
d75ef6b46e33 EtherCAT-Master in eigenes Modul ausgelagert. Florian Pose <fp@igh-essen.com> parents: diff changeset	74	oder zu wenig Speicher.
d75ef6b46e33 EtherCAT-Master in eigenes Modul ausgelagert. Florian Pose <fp@igh-essen.com> parents: diff changeset	75	*/
d75ef6b46e33 EtherCAT-Master in eigenes Modul ausgelagert. Florian Pose <fp@igh-essen.com> parents: diff changeset	76
d75ef6b46e33 EtherCAT-Master in eigenes Modul ausgelagert. Florian Pose <fp@igh-essen.com> parents: diff changeset	77	int __init ecat_init_module(void)
d75ef6b46e33 EtherCAT-Master in eigenes Modul ausgelagert. Florian Pose <fp@igh-essen.com> parents: diff changeset	78	{
d75ef6b46e33 EtherCAT-Master in eigenes Modul ausgelagert. Florian Pose <fp@igh-essen.com> parents: diff changeset	79	unsigned int i;
d75ef6b46e33 EtherCAT-Master in eigenes Modul ausgelagert. Florian Pose <fp@igh-essen.com> parents: diff changeset	80
34 c1e8d61fa395 Compile-Informationen hinzugef?gt. Florian Pose <fp@igh-essen.com> parents: 33 diff changeset	81	printk(KERN_ERR "EtherCAT: Master driver, %s\n", COMPILE_INFO);
27 d75ef6b46e33 EtherCAT-Master in eigenes Modul ausgelagert. Florian Pose <fp@igh-essen.com> parents: diff changeset	82
39 6965c23a6826 likely/unlikely, Fehlermeldungen in zyklischem Code begrenzt und Kommentare ge??ndert. Florian Pose <fp@igh-essen.com> parents: 34 diff changeset	83	if (ecat_master_count < 1) {
6965c23a6826 likely/unlikely, Fehlermeldungen in zyklischem Code begrenzt und Kommentare ge??ndert. Florian Pose <fp@igh-essen.com> parents: 34 diff changeset	84	printk(KERN_ERR "EtherCAT: Error - Illegal"
6965c23a6826 likely/unlikely, Fehlermeldungen in zyklischem Code begrenzt und Kommentare ge??ndert. Florian Pose <fp@igh-essen.com> parents: 34 diff changeset	85	" ecat_master_count: %i\n", ecat_master_count);
27 d75ef6b46e33 EtherCAT-Master in eigenes Modul ausgelagert. Florian Pose <fp@igh-essen.com> parents: diff changeset	86	return -1;
d75ef6b46e33 EtherCAT-Master in eigenes Modul ausgelagert. Florian Pose <fp@igh-essen.com> parents: diff changeset	87	}
d75ef6b46e33 EtherCAT-Master in eigenes Modul ausgelagert. Florian Pose <fp@igh-essen.com> parents: diff changeset	88
d75ef6b46e33 EtherCAT-Master in eigenes Modul ausgelagert. Florian Pose <fp@igh-essen.com> parents: diff changeset	89	printk(KERN_ERR "EtherCAT: Initializing %i EtherCAT master(s)...\n",
d75ef6b46e33 EtherCAT-Master in eigenes Modul ausgelagert. Florian Pose <fp@igh-essen.com> parents: diff changeset	90	ecat_master_count);
d75ef6b46e33 EtherCAT-Master in eigenes Modul ausgelagert. Florian Pose <fp@igh-essen.com> parents: diff changeset	91
39 6965c23a6826 likely/unlikely, Fehlermeldungen in zyklischem Code begrenzt und Kommentare ge??ndert. Florian Pose <fp@igh-essen.com> parents: 34 diff changeset	92	if ((ecat_masters =
6965c23a6826 likely/unlikely, Fehlermeldungen in zyklischem Code begrenzt und Kommentare ge??ndert. Florian Pose <fp@igh-essen.com> parents: 34 diff changeset	93	(EtherCAT_master_t *) kmalloc(sizeof(EtherCAT_master_t)
6965c23a6826 likely/unlikely, Fehlermeldungen in zyklischem Code begrenzt und Kommentare ge??ndert. Florian Pose <fp@igh-essen.com> parents: 34 diff changeset	94	* ecat_master_count,
6965c23a6826 likely/unlikely, Fehlermeldungen in zyklischem Code begrenzt und Kommentare ge??ndert. Florian Pose <fp@igh-essen.com> parents: 34 diff changeset	95	GFP_KERNEL)) == NULL) {
6965c23a6826 likely/unlikely, Fehlermeldungen in zyklischem Code begrenzt und Kommentare ge??ndert. Florian Pose <fp@igh-essen.com> parents: 34 diff changeset	96	printk(KERN_ERR "EtherCAT: Could not allocate"
6965c23a6826 likely/unlikely, Fehlermeldungen in zyklischem Code begrenzt und Kommentare ge??ndert. Florian Pose <fp@igh-essen.com> parents: 34 diff changeset	97	" memory for EtherCAT master(s)!\n");
6965c23a6826 likely/unlikely, Fehlermeldungen in zyklischem Code begrenzt und Kommentare ge??ndert. Florian Pose <fp@igh-essen.com> parents: 34 diff changeset	98	return -1;
6965c23a6826 likely/unlikely, Fehlermeldungen in zyklischem Code begrenzt und Kommentare ge??ndert. Florian Pose <fp@igh-essen.com> parents: 34 diff changeset	99	}
6965c23a6826 likely/unlikely, Fehlermeldungen in zyklischem Code begrenzt und Kommentare ge??ndert. Florian Pose <fp@igh-essen.com> parents: 34 diff changeset	100
6965c23a6826 likely/unlikely, Fehlermeldungen in zyklischem Code begrenzt und Kommentare ge??ndert. Florian Pose <fp@igh-essen.com> parents: 34 diff changeset	101	if ((ecat_masters_reserved =
6965c23a6826 likely/unlikely, Fehlermeldungen in zyklischem Code begrenzt und Kommentare ge??ndert. Florian Pose <fp@igh-essen.com> parents: 34 diff changeset	102	(int ) kmalloc(sizeof(int) ecat_master_count,
6965c23a6826 likely/unlikely, Fehlermeldungen in zyklischem Code begrenzt und Kommentare ge??ndert. Florian Pose <fp@igh-essen.com> parents: 34 diff changeset	103	GFP_KERNEL)) == NULL) {
6965c23a6826 likely/unlikely, Fehlermeldungen in zyklischem Code begrenzt und Kommentare ge??ndert. Florian Pose <fp@igh-essen.com> parents: 34 diff changeset	104	printk(KERN_ERR "EtherCAT: Could not allocate"
6965c23a6826 likely/unlikely, Fehlermeldungen in zyklischem Code begrenzt und Kommentare ge??ndert. Florian Pose <fp@igh-essen.com> parents: 34 diff changeset	105	" memory for reservation flags!\n");
33 f4171b8aadf8 Master-Reservierung und Use-Count f?r NIC-Treiber. Florian Pose <fp@igh-essen.com> parents: 27 diff changeset	106	kfree(ecat_masters);
f4171b8aadf8 Master-Reservierung und Use-Count f?r NIC-Treiber. Florian Pose <fp@igh-essen.com> parents: 27 diff changeset	107	return -1;
f4171b8aadf8 Master-Reservierung und Use-Count f?r NIC-Treiber. Florian Pose <fp@igh-essen.com> parents: 27 diff changeset	108	}
f4171b8aadf8 Master-Reservierung und Use-Count f?r NIC-Treiber. Florian Pose <fp@igh-essen.com> parents: 27 diff changeset	109
27 d75ef6b46e33 EtherCAT-Master in eigenes Modul ausgelagert. Florian Pose <fp@igh-essen.com> parents: diff changeset	110	for (i = 0; i < ecat_master_count; i++)
d75ef6b46e33 EtherCAT-Master in eigenes Modul ausgelagert. Florian Pose <fp@igh-essen.com> parents: diff changeset	111	{
d75ef6b46e33 EtherCAT-Master in eigenes Modul ausgelagert. Florian Pose <fp@igh-essen.com> parents: diff changeset	112	EtherCAT_master_init(&ecat_masters[i]);
33 f4171b8aadf8 Master-Reservierung und Use-Count f?r NIC-Treiber. Florian Pose <fp@igh-essen.com> parents: 27 diff changeset	113	ecat_masters_reserved[i] = 0;
27 d75ef6b46e33 EtherCAT-Master in eigenes Modul ausgelagert. Florian Pose <fp@igh-essen.com> parents: diff changeset	114	}
d75ef6b46e33 EtherCAT-Master in eigenes Modul ausgelagert. Florian Pose <fp@igh-essen.com> parents: diff changeset	115
d75ef6b46e33 EtherCAT-Master in eigenes Modul ausgelagert. Florian Pose <fp@igh-essen.com> parents: diff changeset	116	printk(KERN_ERR "EtherCAT: Master driver initialized.\n");
d75ef6b46e33 EtherCAT-Master in eigenes Modul ausgelagert. Florian Pose <fp@igh-essen.com> parents: diff changeset	117
d75ef6b46e33 EtherCAT-Master in eigenes Modul ausgelagert. Florian Pose <fp@igh-essen.com> parents: diff changeset	118	return 0;
d75ef6b46e33 EtherCAT-Master in eigenes Modul ausgelagert. Florian Pose <fp@igh-essen.com> parents: diff changeset	119	}
d75ef6b46e33 EtherCAT-Master in eigenes Modul ausgelagert. Florian Pose <fp@igh-essen.com> parents: diff changeset	120
39 6965c23a6826 likely/unlikely, Fehlermeldungen in zyklischem Code begrenzt und Kommentare ge??ndert. Florian Pose <fp@igh-essen.com> parents: 34 diff changeset	121	/*****************************************************************************/
27 d75ef6b46e33 EtherCAT-Master in eigenes Modul ausgelagert. Florian Pose <fp@igh-essen.com> parents: diff changeset	122
d75ef6b46e33 EtherCAT-Master in eigenes Modul ausgelagert. Florian Pose <fp@igh-essen.com> parents: diff changeset	123	/**
d75ef6b46e33 EtherCAT-Master in eigenes Modul ausgelagert. Florian Pose <fp@igh-essen.com> parents: diff changeset	124	Cleanup-Funktion des EtherCAT-Master-Treibermoduls
d75ef6b46e33 EtherCAT-Master in eigenes Modul ausgelagert. Florian Pose <fp@igh-essen.com> parents: diff changeset	125
d75ef6b46e33 EtherCAT-Master in eigenes Modul ausgelagert. Florian Pose <fp@igh-essen.com> parents: diff changeset	126	Entfernt alle Master-Instanzen.
d75ef6b46e33 EtherCAT-Master in eigenes Modul ausgelagert. Florian Pose <fp@igh-essen.com> parents: diff changeset	127	*/
d75ef6b46e33 EtherCAT-Master in eigenes Modul ausgelagert. Florian Pose <fp@igh-essen.com> parents: diff changeset	128
d75ef6b46e33 EtherCAT-Master in eigenes Modul ausgelagert. Florian Pose <fp@igh-essen.com> parents: diff changeset	129	void __exit ecat_cleanup_module(void)
d75ef6b46e33 EtherCAT-Master in eigenes Modul ausgelagert. Florian Pose <fp@igh-essen.com> parents: diff changeset	130	{
d75ef6b46e33 EtherCAT-Master in eigenes Modul ausgelagert. Florian Pose <fp@igh-essen.com> parents: diff changeset	131	unsigned int i;
d75ef6b46e33 EtherCAT-Master in eigenes Modul ausgelagert. Florian Pose <fp@igh-essen.com> parents: diff changeset	132
d75ef6b46e33 EtherCAT-Master in eigenes Modul ausgelagert. Florian Pose <fp@igh-essen.com> parents: diff changeset	133	printk(KERN_ERR "EtherCAT: Cleaning up master driver...\n");
d75ef6b46e33 EtherCAT-Master in eigenes Modul ausgelagert. Florian Pose <fp@igh-essen.com> parents: diff changeset	134
d75ef6b46e33 EtherCAT-Master in eigenes Modul ausgelagert. Florian Pose <fp@igh-essen.com> parents: diff changeset	135	if (ecat_masters)
d75ef6b46e33 EtherCAT-Master in eigenes Modul ausgelagert. Florian Pose <fp@igh-essen.com> parents: diff changeset	136	{
d75ef6b46e33 EtherCAT-Master in eigenes Modul ausgelagert. Florian Pose <fp@igh-essen.com> parents: diff changeset	137	for (i = 0; i < ecat_master_count; i++)
d75ef6b46e33 EtherCAT-Master in eigenes Modul ausgelagert. Florian Pose <fp@igh-essen.com> parents: diff changeset	138	{
33 f4171b8aadf8 Master-Reservierung und Use-Count f?r NIC-Treiber. Florian Pose <fp@igh-essen.com> parents: 27 diff changeset	139	if (ecat_masters_reserved[i]) {
39 6965c23a6826 likely/unlikely, Fehlermeldungen in zyklischem Code begrenzt und Kommentare ge??ndert. Florian Pose <fp@igh-essen.com> parents: 34 diff changeset	140	printk(KERN_WARNING "EtherCAT: Warning -"
6965c23a6826 likely/unlikely, Fehlermeldungen in zyklischem Code begrenzt und Kommentare ge??ndert. Florian Pose <fp@igh-essen.com> parents: 34 diff changeset	141	" Master %i is still in use!\n", i);
33 f4171b8aadf8 Master-Reservierung und Use-Count f?r NIC-Treiber. Florian Pose <fp@igh-essen.com> parents: 27 diff changeset	142	}
f4171b8aadf8 Master-Reservierung und Use-Count f?r NIC-Treiber. Florian Pose <fp@igh-essen.com> parents: 27 diff changeset	143
27 d75ef6b46e33 EtherCAT-Master in eigenes Modul ausgelagert. Florian Pose <fp@igh-essen.com> parents: diff changeset	144	EtherCAT_master_clear(&ecat_masters[i]);
d75ef6b46e33 EtherCAT-Master in eigenes Modul ausgelagert. Florian Pose <fp@igh-essen.com> parents: diff changeset	145	}
d75ef6b46e33 EtherCAT-Master in eigenes Modul ausgelagert. Florian Pose <fp@igh-essen.com> parents: diff changeset	146
d75ef6b46e33 EtherCAT-Master in eigenes Modul ausgelagert. Florian Pose <fp@igh-essen.com> parents: diff changeset	147	kfree(ecat_masters);
d75ef6b46e33 EtherCAT-Master in eigenes Modul ausgelagert. Florian Pose <fp@igh-essen.com> parents: diff changeset	148	}
d75ef6b46e33 EtherCAT-Master in eigenes Modul ausgelagert. Florian Pose <fp@igh-essen.com> parents: diff changeset	149
d75ef6b46e33 EtherCAT-Master in eigenes Modul ausgelagert. Florian Pose <fp@igh-essen.com> parents: diff changeset	150	printk(KERN_ERR "EtherCAT: Master driver cleaned up.\n");
d75ef6b46e33 EtherCAT-Master in eigenes Modul ausgelagert. Florian Pose <fp@igh-essen.com> parents: diff changeset	151	}
d75ef6b46e33 EtherCAT-Master in eigenes Modul ausgelagert. Florian Pose <fp@igh-essen.com> parents: diff changeset	152
39 6965c23a6826 likely/unlikely, Fehlermeldungen in zyklischem Code begrenzt und Kommentare ge??ndert. Florian Pose <fp@igh-essen.com> parents: 34 diff changeset	153	/*****************************************************************************/
33 f4171b8aadf8 Master-Reservierung und Use-Count f?r NIC-Treiber. Florian Pose <fp@igh-essen.com> parents: 27 diff changeset	154
f4171b8aadf8 Master-Reservierung und Use-Count f?r NIC-Treiber. Florian Pose <fp@igh-essen.com> parents: 27 diff changeset	155	/**
f4171b8aadf8 Master-Reservierung und Use-Count f?r NIC-Treiber. Florian Pose <fp@igh-essen.com> parents: 27 diff changeset	156	Setzt das EtherCAT-Geraet, auf dem der Master arbeitet.
f4171b8aadf8 Master-Reservierung und Use-Count f?r NIC-Treiber. Florian Pose <fp@igh-essen.com> parents: 27 diff changeset	157
f4171b8aadf8 Master-Reservierung und Use-Count f?r NIC-Treiber. Florian Pose <fp@igh-essen.com> parents: 27 diff changeset	158	Registriert das Geraet beim Master, der es daraufhin oeffnet.
f4171b8aadf8 Master-Reservierung und Use-Count f?r NIC-Treiber. Florian Pose <fp@igh-essen.com> parents: 27 diff changeset	159
f4171b8aadf8 Master-Reservierung und Use-Count f?r NIC-Treiber. Florian Pose <fp@igh-essen.com> parents: 27 diff changeset	160	@param master Der EtherCAT-Master
f4171b8aadf8 Master-Reservierung und Use-Count f?r NIC-Treiber. Florian Pose <fp@igh-essen.com> parents: 27 diff changeset	161	@param device Das EtherCAT-Geraet
f4171b8aadf8 Master-Reservierung und Use-Count f?r NIC-Treiber. Florian Pose <fp@igh-essen.com> parents: 27 diff changeset	162	@return 0, wenn alles o.k.,
f4171b8aadf8 Master-Reservierung und Use-Count f?r NIC-Treiber. Florian Pose <fp@igh-essen.com> parents: 27 diff changeset	163	< 0, wenn bereits ein Geraet registriert
f4171b8aadf8 Master-Reservierung und Use-Count f?r NIC-Treiber. Florian Pose <fp@igh-essen.com> parents: 27 diff changeset	164	oder das Geraet nicht geoeffnet werden konnte.
f4171b8aadf8 Master-Reservierung und Use-Count f?r NIC-Treiber. Florian Pose <fp@igh-essen.com> parents: 27 diff changeset	165	*/
f4171b8aadf8 Master-Reservierung und Use-Count f?r NIC-Treiber. Florian Pose <fp@igh-essen.com> parents: 27 diff changeset	166
f4171b8aadf8 Master-Reservierung und Use-Count f?r NIC-Treiber. Florian Pose <fp@igh-essen.com> parents: 27 diff changeset	167	int EtherCAT_register_device(int index, EtherCAT_device_t *device)
f4171b8aadf8 Master-Reservierung und Use-Count f?r NIC-Treiber. Florian Pose <fp@igh-essen.com> parents: 27 diff changeset	168	{
39 6965c23a6826 likely/unlikely, Fehlermeldungen in zyklischem Code begrenzt und Kommentare ge??ndert. Florian Pose <fp@igh-essen.com> parents: 34 diff changeset	169	if (index < 0 \|\| index >= ecat_master_count) {
33 f4171b8aadf8 Master-Reservierung und Use-Count f?r NIC-Treiber. Florian Pose <fp@igh-essen.com> parents: 27 diff changeset	170	printk(KERN_ERR "EtherCAT: Master %i does not exist!\n", index);
f4171b8aadf8 Master-Reservierung und Use-Count f?r NIC-Treiber. Florian Pose <fp@igh-essen.com> parents: 27 diff changeset	171	return -1;
f4171b8aadf8 Master-Reservierung und Use-Count f?r NIC-Treiber. Florian Pose <fp@igh-essen.com> parents: 27 diff changeset	172	}
f4171b8aadf8 Master-Reservierung und Use-Count f?r NIC-Treiber. Florian Pose <fp@igh-essen.com> parents: 27 diff changeset	173
f4171b8aadf8 Master-Reservierung und Use-Count f?r NIC-Treiber. Florian Pose <fp@igh-essen.com> parents: 27 diff changeset	174	return EtherCAT_master_open(&ecat_masters[index], device);
f4171b8aadf8 Master-Reservierung und Use-Count f?r NIC-Treiber. Florian Pose <fp@igh-essen.com> parents: 27 diff changeset	175	}
f4171b8aadf8 Master-Reservierung und Use-Count f?r NIC-Treiber. Florian Pose <fp@igh-essen.com> parents: 27 diff changeset	176
39 6965c23a6826 likely/unlikely, Fehlermeldungen in zyklischem Code begrenzt und Kommentare ge??ndert. Florian Pose <fp@igh-essen.com> parents: 34 diff changeset	177	/*****************************************************************************/
33 f4171b8aadf8 Master-Reservierung und Use-Count f?r NIC-Treiber. Florian Pose <fp@igh-essen.com> parents: 27 diff changeset	178
f4171b8aadf8 Master-Reservierung und Use-Count f?r NIC-Treiber. Florian Pose <fp@igh-essen.com> parents: 27 diff changeset	179	/**
f4171b8aadf8 Master-Reservierung und Use-Count f?r NIC-Treiber. Florian Pose <fp@igh-essen.com> parents: 27 diff changeset	180	Loescht das EtherCAT-Geraet, auf dem der Master arbeitet.
f4171b8aadf8 Master-Reservierung und Use-Count f?r NIC-Treiber. Florian Pose <fp@igh-essen.com> parents: 27 diff changeset	181
f4171b8aadf8 Master-Reservierung und Use-Count f?r NIC-Treiber. Florian Pose <fp@igh-essen.com> parents: 27 diff changeset	182	@param master Der EtherCAT-Master
f4171b8aadf8 Master-Reservierung und Use-Count f?r NIC-Treiber. Florian Pose <fp@igh-essen.com> parents: 27 diff changeset	183	@param device Das EtherCAT-Geraet
f4171b8aadf8 Master-Reservierung und Use-Count f?r NIC-Treiber. Florian Pose <fp@igh-essen.com> parents: 27 diff changeset	184	*/
f4171b8aadf8 Master-Reservierung und Use-Count f?r NIC-Treiber. Florian Pose <fp@igh-essen.com> parents: 27 diff changeset	185
f4171b8aadf8 Master-Reservierung und Use-Count f?r NIC-Treiber. Florian Pose <fp@igh-essen.com> parents: 27 diff changeset	186	void EtherCAT_unregister_device(int index, EtherCAT_device_t *device)
f4171b8aadf8 Master-Reservierung und Use-Count f?r NIC-Treiber. Florian Pose <fp@igh-essen.com> parents: 27 diff changeset	187	{
39 6965c23a6826 likely/unlikely, Fehlermeldungen in zyklischem Code begrenzt und Kommentare ge??ndert. Florian Pose <fp@igh-essen.com> parents: 34 diff changeset	188	if (index < 0 \|\| index >= ecat_master_count) {
33 f4171b8aadf8 Master-Reservierung und Use-Count f?r NIC-Treiber. Florian Pose <fp@igh-essen.com> parents: 27 diff changeset	189	printk(KERN_WARNING "EtherCAT: Master %i does not exist!\n", index);
f4171b8aadf8 Master-Reservierung und Use-Count f?r NIC-Treiber. Florian Pose <fp@igh-essen.com> parents: 27 diff changeset	190	return;
f4171b8aadf8 Master-Reservierung und Use-Count f?r NIC-Treiber. Florian Pose <fp@igh-essen.com> parents: 27 diff changeset	191	}
f4171b8aadf8 Master-Reservierung und Use-Count f?r NIC-Treiber. Florian Pose <fp@igh-essen.com> parents: 27 diff changeset	192
f4171b8aadf8 Master-Reservierung und Use-Count f?r NIC-Treiber. Florian Pose <fp@igh-essen.com> parents: 27 diff changeset	193	EtherCAT_master_close(&ecat_masters[index], device);
f4171b8aadf8 Master-Reservierung und Use-Count f?r NIC-Treiber. Florian Pose <fp@igh-essen.com> parents: 27 diff changeset	194	}
f4171b8aadf8 Master-Reservierung und Use-Count f?r NIC-Treiber. Florian Pose <fp@igh-essen.com> parents: 27 diff changeset	195
39 6965c23a6826 likely/unlikely, Fehlermeldungen in zyklischem Code begrenzt und Kommentare ge??ndert. Florian Pose <fp@igh-essen.com> parents: 34 diff changeset	196	/*****************************************************************************/
33 f4171b8aadf8 Master-Reservierung und Use-Count f?r NIC-Treiber. Florian Pose <fp@igh-essen.com> parents: 27 diff changeset	197
f4171b8aadf8 Master-Reservierung und Use-Count f?r NIC-Treiber. Florian Pose <fp@igh-essen.com> parents: 27 diff changeset	198	/**
f4171b8aadf8 Master-Reservierung und Use-Count f?r NIC-Treiber. Florian Pose <fp@igh-essen.com> parents: 27 diff changeset	199	Reserviert einen bestimmten EtherCAT-Master und das zugehörige Gerät.
f4171b8aadf8 Master-Reservierung und Use-Count f?r NIC-Treiber. Florian Pose <fp@igh-essen.com> parents: 27 diff changeset	200
f4171b8aadf8 Master-Reservierung und Use-Count f?r NIC-Treiber. Florian Pose <fp@igh-essen.com> parents: 27 diff changeset	201	Gibt einen Zeiger auf den reservierten EtherCAT-Master zurueck.
27 d75ef6b46e33 EtherCAT-Master in eigenes Modul ausgelagert. Florian Pose <fp@igh-essen.com> parents: diff changeset	202
d75ef6b46e33 EtherCAT-Master in eigenes Modul ausgelagert. Florian Pose <fp@igh-essen.com> parents: diff changeset	203	@param index Index des gewuenschten Masters
d75ef6b46e33 EtherCAT-Master in eigenes Modul ausgelagert. Florian Pose <fp@igh-essen.com> parents: diff changeset	204	@returns Zeiger auf EtherCAT-Master oder NULL, wenn Parameter ungueltig.
d75ef6b46e33 EtherCAT-Master in eigenes Modul ausgelagert. Florian Pose <fp@igh-essen.com> parents: diff changeset	205	*/
d75ef6b46e33 EtherCAT-Master in eigenes Modul ausgelagert. Florian Pose <fp@igh-essen.com> parents: diff changeset	206
33 f4171b8aadf8 Master-Reservierung und Use-Count f?r NIC-Treiber. Florian Pose <fp@igh-essen.com> parents: 27 diff changeset	207	EtherCAT_master_t *EtherCAT_request(int index)
f4171b8aadf8 Master-Reservierung und Use-Count f?r NIC-Treiber. Florian Pose <fp@igh-essen.com> parents: 27 diff changeset	208	{
f4171b8aadf8 Master-Reservierung und Use-Count f?r NIC-Treiber. Florian Pose <fp@igh-essen.com> parents: 27 diff changeset	209	if (index < 0 \|\| index >= ecat_master_count) {
27 d75ef6b46e33 EtherCAT-Master in eigenes Modul ausgelagert. Florian Pose <fp@igh-essen.com> parents: diff changeset	210	printk(KERN_ERR "EtherCAT: Master %i does not exist!\n", index);
d75ef6b46e33 EtherCAT-Master in eigenes Modul ausgelagert. Florian Pose <fp@igh-essen.com> parents: diff changeset	211	return NULL;
d75ef6b46e33 EtherCAT-Master in eigenes Modul ausgelagert. Florian Pose <fp@igh-essen.com> parents: diff changeset	212	}
d75ef6b46e33 EtherCAT-Master in eigenes Modul ausgelagert. Florian Pose <fp@igh-essen.com> parents: diff changeset	213
33 f4171b8aadf8 Master-Reservierung und Use-Count f?r NIC-Treiber. Florian Pose <fp@igh-essen.com> parents: 27 diff changeset	214	if (ecat_masters_reserved[index]) {
f4171b8aadf8 Master-Reservierung und Use-Count f?r NIC-Treiber. Florian Pose <fp@igh-essen.com> parents: 27 diff changeset	215	printk(KERN_ERR "EtherCAT: Master %i already in use!\n", index);
f4171b8aadf8 Master-Reservierung und Use-Count f?r NIC-Treiber. Florian Pose <fp@igh-essen.com> parents: 27 diff changeset	216	return NULL;
f4171b8aadf8 Master-Reservierung und Use-Count f?r NIC-Treiber. Florian Pose <fp@igh-essen.com> parents: 27 diff changeset	217	}
f4171b8aadf8 Master-Reservierung und Use-Count f?r NIC-Treiber. Florian Pose <fp@igh-essen.com> parents: 27 diff changeset	218
f4171b8aadf8 Master-Reservierung und Use-Count f?r NIC-Treiber. Florian Pose <fp@igh-essen.com> parents: 27 diff changeset	219	if (!ecat_masters[index].dev) {
39 6965c23a6826 likely/unlikely, Fehlermeldungen in zyklischem Code begrenzt und Kommentare ge??ndert. Florian Pose <fp@igh-essen.com> parents: 34 diff changeset	220	printk(KERN_ERR "EtherCAT: Master %i has no device assigned yet!\n",
6965c23a6826 likely/unlikely, Fehlermeldungen in zyklischem Code begrenzt und Kommentare ge??ndert. Florian Pose <fp@igh-essen.com> parents: 34 diff changeset	221	index);
33 f4171b8aadf8 Master-Reservierung und Use-Count f?r NIC-Treiber. Florian Pose <fp@igh-essen.com> parents: 27 diff changeset	222	return NULL;
f4171b8aadf8 Master-Reservierung und Use-Count f?r NIC-Treiber. Florian Pose <fp@igh-essen.com> parents: 27 diff changeset	223	}
f4171b8aadf8 Master-Reservierung und Use-Count f?r NIC-Treiber. Florian Pose <fp@igh-essen.com> parents: 27 diff changeset	224
f4171b8aadf8 Master-Reservierung und Use-Count f?r NIC-Treiber. Florian Pose <fp@igh-essen.com> parents: 27 diff changeset	225	if (!ecat_masters[index].dev->module) {
f4171b8aadf8 Master-Reservierung und Use-Count f?r NIC-Treiber. Florian Pose <fp@igh-essen.com> parents: 27 diff changeset	226	printk(KERN_ERR "EtherCAT: Master %i device module is not set!\n", index);
f4171b8aadf8 Master-Reservierung und Use-Count f?r NIC-Treiber. Florian Pose <fp@igh-essen.com> parents: 27 diff changeset	227	return NULL;
f4171b8aadf8 Master-Reservierung und Use-Count f?r NIC-Treiber. Florian Pose <fp@igh-essen.com> parents: 27 diff changeset	228	}
f4171b8aadf8 Master-Reservierung und Use-Count f?r NIC-Treiber. Florian Pose <fp@igh-essen.com> parents: 27 diff changeset	229
f4171b8aadf8 Master-Reservierung und Use-Count f?r NIC-Treiber. Florian Pose <fp@igh-essen.com> parents: 27 diff changeset	230	if (!try_module_get(ecat_masters[index].dev->module)) {
f4171b8aadf8 Master-Reservierung und Use-Count f?r NIC-Treiber. Florian Pose <fp@igh-essen.com> parents: 27 diff changeset	231	printk(KERN_ERR "EtherCAT: Could not reserve device module!\n");
f4171b8aadf8 Master-Reservierung und Use-Count f?r NIC-Treiber. Florian Pose <fp@igh-essen.com> parents: 27 diff changeset	232	return NULL;
f4171b8aadf8 Master-Reservierung und Use-Count f?r NIC-Treiber. Florian Pose <fp@igh-essen.com> parents: 27 diff changeset	233	}
f4171b8aadf8 Master-Reservierung und Use-Count f?r NIC-Treiber. Florian Pose <fp@igh-essen.com> parents: 27 diff changeset	234
52 c0405659a74a Neues Interface. Florian Pose <fp@igh-essen.com> parents: 42 diff changeset	235	if (EtherCAT_scan_for_slaves(&ecat_masters[index]) != 0) {
c0405659a74a Neues Interface. Florian Pose <fp@igh-essen.com> parents: 42 diff changeset	236	printk(KERN_ERR "EtherCAT: Could not scan for slaves!\n");
c0405659a74a Neues Interface. Florian Pose <fp@igh-essen.com> parents: 42 diff changeset	237	return NULL;
c0405659a74a Neues Interface. Florian Pose <fp@igh-essen.com> parents: 42 diff changeset	238	}
c0405659a74a Neues Interface. Florian Pose <fp@igh-essen.com> parents: 42 diff changeset	239
33 f4171b8aadf8 Master-Reservierung und Use-Count f?r NIC-Treiber. Florian Pose <fp@igh-essen.com> parents: 27 diff changeset	240	ecat_masters_reserved[index] = 1;
f4171b8aadf8 Master-Reservierung und Use-Count f?r NIC-Treiber. Florian Pose <fp@igh-essen.com> parents: 27 diff changeset	241
f4171b8aadf8 Master-Reservierung und Use-Count f?r NIC-Treiber. Florian Pose <fp@igh-essen.com> parents: 27 diff changeset	242	printk(KERN_INFO "EtherCAT: Reserved master %i.\n", index);
f4171b8aadf8 Master-Reservierung und Use-Count f?r NIC-Treiber. Florian Pose <fp@igh-essen.com> parents: 27 diff changeset	243
27 d75ef6b46e33 EtherCAT-Master in eigenes Modul ausgelagert. Florian Pose <fp@igh-essen.com> parents: diff changeset	244	return &ecat_masters[index];
d75ef6b46e33 EtherCAT-Master in eigenes Modul ausgelagert. Florian Pose <fp@igh-essen.com> parents: diff changeset	245	}
d75ef6b46e33 EtherCAT-Master in eigenes Modul ausgelagert. Florian Pose <fp@igh-essen.com> parents: diff changeset	246
39 6965c23a6826 likely/unlikely, Fehlermeldungen in zyklischem Code begrenzt und Kommentare ge??ndert. Florian Pose <fp@igh-essen.com> parents: 34 diff changeset	247	/*****************************************************************************/
33 f4171b8aadf8 Master-Reservierung und Use-Count f?r NIC-Treiber. Florian Pose <fp@igh-essen.com> parents: 27 diff changeset	248
f4171b8aadf8 Master-Reservierung und Use-Count f?r NIC-Treiber. Florian Pose <fp@igh-essen.com> parents: 27 diff changeset	249	/**
42 a22a202d0f42 Domains, Warten beim Senden, 10kHz. Florian Pose <fp@igh-essen.com> parents: 39 diff changeset	250	Gibt einen zuvor angeforderten EtherCAT-Master wieder frei.
33 f4171b8aadf8 Master-Reservierung und Use-Count f?r NIC-Treiber. Florian Pose <fp@igh-essen.com> parents: 27 diff changeset	251
f4171b8aadf8 Master-Reservierung und Use-Count f?r NIC-Treiber. Florian Pose <fp@igh-essen.com> parents: 27 diff changeset	252	@param master Zeiger auf den freizugebenden EtherCAT-Master.
f4171b8aadf8 Master-Reservierung und Use-Count f?r NIC-Treiber. Florian Pose <fp@igh-essen.com> parents: 27 diff changeset	253	*/
f4171b8aadf8 Master-Reservierung und Use-Count f?r NIC-Treiber. Florian Pose <fp@igh-essen.com> parents: 27 diff changeset	254
f4171b8aadf8 Master-Reservierung und Use-Count f?r NIC-Treiber. Florian Pose <fp@igh-essen.com> parents: 27 diff changeset	255	void EtherCAT_release(EtherCAT_master_t *master)
f4171b8aadf8 Master-Reservierung und Use-Count f?r NIC-Treiber. Florian Pose <fp@igh-essen.com> parents: 27 diff changeset	256	{
f4171b8aadf8 Master-Reservierung und Use-Count f?r NIC-Treiber. Florian Pose <fp@igh-essen.com> parents: 27 diff changeset	257	unsigned int i;
f4171b8aadf8 Master-Reservierung und Use-Count f?r NIC-Treiber. Florian Pose <fp@igh-essen.com> parents: 27 diff changeset	258
f4171b8aadf8 Master-Reservierung und Use-Count f?r NIC-Treiber. Florian Pose <fp@igh-essen.com> parents: 27 diff changeset	259	for (i = 0; i < ecat_master_count; i++)
f4171b8aadf8 Master-Reservierung und Use-Count f?r NIC-Treiber. Florian Pose <fp@igh-essen.com> parents: 27 diff changeset	260	{
f4171b8aadf8 Master-Reservierung und Use-Count f?r NIC-Treiber. Florian Pose <fp@igh-essen.com> parents: 27 diff changeset	261	if (&ecat_masters[i] == master)
f4171b8aadf8 Master-Reservierung und Use-Count f?r NIC-Treiber. Florian Pose <fp@igh-essen.com> parents: 27 diff changeset	262	{
f4171b8aadf8 Master-Reservierung und Use-Count f?r NIC-Treiber. Florian Pose <fp@igh-essen.com> parents: 27 diff changeset	263	if (!ecat_masters[i].dev) {
f4171b8aadf8 Master-Reservierung und Use-Count f?r NIC-Treiber. Florian Pose <fp@igh-essen.com> parents: 27 diff changeset	264	printk(KERN_WARNING "EtherCAT: Could not release device"
f4171b8aadf8 Master-Reservierung und Use-Count f?r NIC-Treiber. Florian Pose <fp@igh-essen.com> parents: 27 diff changeset	265	"module because of no device!\n");
f4171b8aadf8 Master-Reservierung und Use-Count f?r NIC-Treiber. Florian Pose <fp@igh-essen.com> parents: 27 diff changeset	266	return;
f4171b8aadf8 Master-Reservierung und Use-Count f?r NIC-Treiber. Florian Pose <fp@igh-essen.com> parents: 27 diff changeset	267	}
f4171b8aadf8 Master-Reservierung und Use-Count f?r NIC-Treiber. Florian Pose <fp@igh-essen.com> parents: 27 diff changeset	268
f4171b8aadf8 Master-Reservierung und Use-Count f?r NIC-Treiber. Florian Pose <fp@igh-essen.com> parents: 27 diff changeset	269	module_put(ecat_masters[i].dev->module);
f4171b8aadf8 Master-Reservierung und Use-Count f?r NIC-Treiber. Florian Pose <fp@igh-essen.com> parents: 27 diff changeset	270	ecat_masters_reserved[i] = 0;
f4171b8aadf8 Master-Reservierung und Use-Count f?r NIC-Treiber. Florian Pose <fp@igh-essen.com> parents: 27 diff changeset	271
f4171b8aadf8 Master-Reservierung und Use-Count f?r NIC-Treiber. Florian Pose <fp@igh-essen.com> parents: 27 diff changeset	272	printk(KERN_INFO "EtherCAT: Released master %i.\n", i);
f4171b8aadf8 Master-Reservierung und Use-Count f?r NIC-Treiber. Florian Pose <fp@igh-essen.com> parents: 27 diff changeset	273
f4171b8aadf8 Master-Reservierung und Use-Count f?r NIC-Treiber. Florian Pose <fp@igh-essen.com> parents: 27 diff changeset	274	return;
f4171b8aadf8 Master-Reservierung und Use-Count f?r NIC-Treiber. Florian Pose <fp@igh-essen.com> parents: 27 diff changeset	275	}
f4171b8aadf8 Master-Reservierung und Use-Count f?r NIC-Treiber. Florian Pose <fp@igh-essen.com> parents: 27 diff changeset	276	}
f4171b8aadf8 Master-Reservierung und Use-Count f?r NIC-Treiber. Florian Pose <fp@igh-essen.com> parents: 27 diff changeset	277
42 a22a202d0f42 Domains, Warten beim Senden, 10kHz. Florian Pose <fp@igh-essen.com> parents: 39 diff changeset	278	printk(KERN_WARNING "EtherCAT: Master %X was never requested!\n",
33 f4171b8aadf8 Master-Reservierung und Use-Count f?r NIC-Treiber. Florian Pose <fp@igh-essen.com> parents: 27 diff changeset	279	(unsigned int) master);
f4171b8aadf8 Master-Reservierung und Use-Count f?r NIC-Treiber. Florian Pose <fp@igh-essen.com> parents: 27 diff changeset	280	}
f4171b8aadf8 Master-Reservierung und Use-Count f?r NIC-Treiber. Florian Pose <fp@igh-essen.com> parents: 27 diff changeset	281
39 6965c23a6826 likely/unlikely, Fehlermeldungen in zyklischem Code begrenzt und Kommentare ge??ndert. Florian Pose <fp@igh-essen.com> parents: 34 diff changeset	282	/*****************************************************************************/

author	Florian Pose <fp@igh-essen.com>
	Fri, 13 Jan 2006 15:47:44 +0000
changeset 53	6b3b8acb71b5
parent 52	c0405659a74a
permissions	-rw-r--r--