ctcm: infrastructure for replaced ctc driver (293d984f) · Commits · e / devices / android_kernel_teracube_2e

drivers/s390/net/Kconfig

+7 −5

Original line number	Original line	Diff line number	Diff line
	@@ -11,15 +11,17 @@ config LCS
	To compile as a module, choose M. The module name is lcs.ko.		To compile as a module, choose M. The module name is lcs.ko.
	If you do not know what it is, it's safe to choose Y.		If you do not know what it is, it's safe to choose Y.

	config CTC		config CTCM
	tristate "CTC device support"		tristate "CTC and MPC SNA device support"
	depends on CCW && NETDEVICES		depends on CCW && NETDEVICES
	help		help
	Select this option if you want to use channel-to-channel		Select this option if you want to use channel-to-channel
	point-to-point networking on IBM System z.		point-to-point networking on IBM System z.
	This device driver supports real CTC coupling using ESCON.		This device driver supports real CTC coupling using ESCON.
	It also supports virtual CTCs when running under VM.		It also supports virtual CTCs when running under VM.
	To compile as a module, choose M. The module name is ctc.ko.		This driver also supports channel-to-channel MPC SNA devices.
			MPC is an SNA protocol device used by Communication Server for Linux.
			To compile as a module, choose M. The module name is ctcm.ko.
	To compile into the kernel, choose Y.		To compile into the kernel, choose Y.
	If you do not need any channel-to-channel connection, choose N.		If you do not need any channel-to-channel connection, choose N.

	@@ -85,6 +87,6 @@ config QETH_VLAN

	config CCWGROUP		config CCWGROUP
	tristate		tristate
	default (LCS \|\| CTC \|\| QETH)		default (LCS \|\| CTCM \|\| QETH)

	endmenu		endmenu

drivers/s390/net/Makefile

+2 −3

Original line number	Original line	Diff line number	Diff line
	@@ -2,11 +2,10 @@
	# S/390 network devices		# S/390 network devices
	#		#

	ctc-objs := ctcmain.o ctcdbug.o		ctcm-y += ctcm_main.o ctcm_fsms.o ctcm_mpc.o ctcm_sysfs.o ctcm_dbug.o
			obj-$(CONFIG_CTCM) += ctcm.o fsm.o cu3088.o
	obj-$(CONFIG_NETIUCV) += netiucv.o fsm.o		obj-$(CONFIG_NETIUCV) += netiucv.o fsm.o
	obj-$(CONFIG_SMSGIUCV) += smsgiucv.o		obj-$(CONFIG_SMSGIUCV) += smsgiucv.o
	obj-$(CONFIG_CTC) += ctc.o fsm.o cu3088.o
	obj-$(CONFIG_LCS) += lcs.o cu3088.o		obj-$(CONFIG_LCS) += lcs.o cu3088.o
	obj-$(CONFIG_CLAW) += claw.o cu3088.o		obj-$(CONFIG_CLAW) += claw.o cu3088.o
	qeth-y := qeth_main.o qeth_mpc.o qeth_sys.o qeth_eddp.o		qeth-y := qeth_main.o qeth_mpc.o qeth_sys.o qeth_eddp.o

drivers/s390/net/ctcm_dbug.c

0 → 100644

+67 −0

Original line number	Original line	Diff line number	Diff line
			/*
			* drivers/s390/net/ctcm_dbug.c
			*
			* Copyright IBM Corp. 2001, 2007
			* Authors: Peter Tiedemann (ptiedem@de.ibm.com)
			*
			*/

			#include <linux/stddef.h>
			#include <linux/kernel.h>
			#include <linux/errno.h>
			#include <linux/slab.h>
			#include <linux/ctype.h>
			#include <linux/sysctl.h>
			#include <linux/module.h>
			#include <linux/init.h>
			#include <linux/fs.h>
			#include <linux/debugfs.h>
			#include "ctcm_dbug.h"

			/*
			* Debug Facility Stuff
			*/

			DEFINE_PER_CPU(char[256], ctcm_dbf_txt_buf);

			struct ctcm_dbf_info ctcm_dbf[CTCM_DBF_INFOS] = {
			[CTCM_DBF_SETUP] = {"ctc_setup", 8, 1, 64, 5, NULL},
			[CTCM_DBF_ERROR] = {"ctc_error", 8, 1, 64, 3, NULL},
			[CTCM_DBF_TRACE] = {"ctc_trace", 8, 1, 64, 3, NULL},
			[CTCM_DBF_MPC_SETUP] = {"mpc_setup", 8, 1, 64, 5, NULL},
			[CTCM_DBF_MPC_ERROR] = {"mpc_error", 8, 1, 64, 3, NULL},
			[CTCM_DBF_MPC_TRACE] = {"mpc_trace", 8, 1, 64, 3, NULL},
			};

			void ctcm_unregister_dbf_views(void)
			{
			int x;
			for (x = 0; x < CTCM_DBF_INFOS; x++) {
			debug_unregister(ctcm_dbf[x].id);
			ctcm_dbf[x].id = NULL;
			}
			}

			int ctcm_register_dbf_views(void)
			{
			int x;
			for (x = 0; x < CTCM_DBF_INFOS; x++) {
			/* register the areas */
			ctcm_dbf[x].id = debug_register(ctcm_dbf[x].name,
			ctcm_dbf[x].pages,
			ctcm_dbf[x].areas,
			ctcm_dbf[x].len);
			if (ctcm_dbf[x].id == NULL) {
			ctcm_unregister_dbf_views();
			return -ENOMEM;
			}

			/* register a view */
			debug_register_view(ctcm_dbf[x].id, &debug_hex_ascii_view);
			/* set a passing level */
			debug_set_level(ctcm_dbf[x].id, ctcm_dbf[x].level);
			}

			return 0;
			}

drivers/s390/net/ctcm_dbug.h

0 → 100644

+158 −0

Original line number	Original line	Diff line number	Diff line
			/*
			* drivers/s390/net/ctcm_dbug.h
			*
			* Copyright IBM Corp. 2001, 2007
			* Authors: Peter Tiedemann (ptiedem@de.ibm.com)
			*
			*/

			#ifndef _CTCM_DBUG_H_
			#define _CTCM_DBUG_H_

			/*
			* Debug Facility stuff
			*/

			#include <asm/debug.h>

			#ifdef DEBUG
			#define do_debug 1
			#else
			#define do_debug 0
			#endif
			#ifdef DEBUGDATA
			#define do_debug_data 1
			#else
			#define do_debug_data 0
			#endif
			#ifdef DEBUGCCW
			#define do_debug_ccw 1
			#else
			#define do_debug_ccw 0
			#endif

			/* define dbf debug levels similar to kernel msg levels */
			#define CTC_DBF_ALWAYS 0 /* always print this */
			#define CTC_DBF_EMERG 0 /* system is unusable */
			#define CTC_DBF_ALERT 1 /* action must be taken immediately */
			#define CTC_DBF_CRIT 2 /* critical conditions */
			#define CTC_DBF_ERROR 3 /* error conditions */
			#define CTC_DBF_WARN 4 /* warning conditions */
			#define CTC_DBF_NOTICE 5 /* normal but significant condition */
			#define CTC_DBF_INFO 5 /* informational */
			#define CTC_DBF_DEBUG 6 /* debug-level messages */

			DECLARE_PER_CPU(char[256], ctcm_dbf_txt_buf);

			enum ctcm_dbf_names {
			CTCM_DBF_SETUP,
			CTCM_DBF_ERROR,
			CTCM_DBF_TRACE,
			CTCM_DBF_MPC_SETUP,
			CTCM_DBF_MPC_ERROR,
			CTCM_DBF_MPC_TRACE,
			CTCM_DBF_INFOS /* must be last element */
			};

			struct ctcm_dbf_info {
			char name[DEBUG_MAX_NAME_LEN];
			int pages;
			int areas;
			int len;
			int level;
			debug_info_t *id;
			};

			extern struct ctcm_dbf_info ctcm_dbf[CTCM_DBF_INFOS];

			int ctcm_register_dbf_views(void);
			void ctcm_unregister_dbf_views(void);

			static inline const char strtail(const char s, int n)
			{
			int l = strlen(s);
			return (l > n) ? s + (l - n) : s;
			}

			/* sort out levels early to avoid unnecessary sprintfs */
			static inline int ctcm_dbf_passes(debug_info_t *dbf_grp, int level)
			{
			return (dbf_grp->level >= level);
			}

			#define CTCM_FUNTAIL strtail((char *)__func__, 16)

			#define CTCM_DBF_TEXT(name, level, text) \
			do { \
			debug_text_event(ctcm_dbf[CTCM_DBF_##name].id, level, text); \
			} while (0)

			#define CTCM_DBF_HEX(name, level, addr, len) \
			do { \
			debug_event(ctcm_dbf[CTCM_DBF_##name].id, \
			level, (void *)(addr), len); \
			} while (0)

			#define CTCM_DBF_TEXT_(name, level, text...) \
			do { \
			if (ctcm_dbf_passes(ctcm_dbf[CTCM_DBF_##name].id, level)) { \
			char *ctcm_dbf_txt_buf = \
			get_cpu_var(ctcm_dbf_txt_buf); \
			sprintf(ctcm_dbf_txt_buf, text); \
			debug_text_event(ctcm_dbf[CTCM_DBF_##name].id, \
			level, ctcm_dbf_txt_buf); \
			put_cpu_var(ctcm_dbf_txt_buf); \
			} \
			} while (0)

			/*
			* cat : one of {setup, mpc_setup, trace, mpc_trace, error, mpc_error}.
			* dev : netdevice with valid name field.
			* text: any text string.
			*/
			#define CTCM_DBF_DEV_NAME(cat, dev, text) \
			do { \
			CTCM_DBF_TEXT_(cat, CTC_DBF_INFO, "%s(%s) : %s", \
			CTCM_FUNTAIL, dev->name, text); \
			} while (0)

			#define MPC_DBF_DEV_NAME(cat, dev, text) \
			do { \
			CTCM_DBF_TEXT_(MPC_##cat, CTC_DBF_INFO, "%s(%s) : %s", \
			CTCM_FUNTAIL, dev->name, text); \
			} while (0)

			#define CTCMY_DBF_DEV_NAME(cat, dev, text) \
			do { \
			if (IS_MPCDEV(dev)) \
			MPC_DBF_DEV_NAME(cat, dev, text); \
			else \
			CTCM_DBF_DEV_NAME(cat, dev, text); \
			} while (0)

			/*
			* cat : one of {setup, mpc_setup, trace, mpc_trace, error, mpc_error}.
			* dev : netdevice.
			* text: any text string.
			*/
			#define CTCM_DBF_DEV(cat, dev, text) \
			do { \
			CTCM_DBF_TEXT_(cat, CTC_DBF_INFO, "%s(%p) : %s", \
			CTCM_FUNTAIL, dev, text); \
			} while (0)

			#define MPC_DBF_DEV(cat, dev, text) \
			do { \
			CTCM_DBF_TEXT_(MPC_##cat, CTC_DBF_INFO, "%s(%p) : %s", \
			CTCM_FUNTAIL, dev, text); \
			} while (0)

			#define CTCMY_DBF_DEV(cat, dev, text) \
			do { \
			if (IS_MPCDEV(dev)) \
			MPC_DBF_DEV(cat, dev, text); \
			else \
			CTCM_DBF_DEV(cat, dev, text); \
			} while (0)

			#endif

drivers/s390/net/ctcm_fsms.c

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+2347 −0

File added.

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