#include <linux/bootmem.h>
#include <linux/device.h>
#include <linux/init.h>
#include <linux/list.h>
#include <linux/module.h>
#include <linux/moduleparam.h>
#include <linux/slab.h>
#include <linux/timex.h>
#include <asm/ccwdev.h>
#include <asm/cio.h>
#include <asm/cmb.h>
#include <asm/div64.h>
#include "cio.h"
#include "css.h"
#include "device.h"
#include "ioasm.h"
#include "chsc.h"

Data Structures
struct	cmb_operations

struct	cmb_data

struct	set_schib_struct

struct	copy_block_struct

struct	cmb_area

struct	cmb

struct	cmbe

Macros
#define	KMSG_COMPONENT "cio"

#define	pr_fmt(fmt) KMSG_COMPONENT ": " fmt

#define	ARGSTRING "s390cmf"

#define	CMF_PENDING 1

#define	cmf_attr(name)

#define	cmf_attr_avg(name)

Enumerations
enum	cmb_index { cmb_ssch_rsch_count, cmb_sample_count, cmb_device_connect_time, cmb_function_pending_time, cmb_device_disconnect_time, cmb_control_unit_queuing_time, cmb_device_active_only_time, cmb_device_busy_time, cmb_initial_command_response_time }

enum	cmb_format { CMF_BASIC, CMF_EXTENDED, CMF_AUTODETECT = -1 }

Functions
	module_param (format, bint, 0444)

void	retry_set_schib (struct ccw_device *cdev)

void	cmf_retry_copy_block (struct ccw_device *cdev)

	module_param_named (maxchannels, cmb_area.num_channels, uint, 0444)

	cmf_attr (ssch_rsch_count)

	cmf_attr (sample_count)

	cmf_attr_avg (device_connect_time)

	cmf_attr_avg (function_pending_time)

	cmf_attr_avg (device_disconnect_time)

	cmf_attr_avg (control_unit_queuing_time)

	cmf_attr_avg (device_active_only_time)

	cmf_attr_avg (device_busy_time)

	cmf_attr_avg (initial_command_response_time)

	DEVICE_ATTR (cmb_enable, 0644, cmb_enable_show, cmb_enable_store)

int	ccw_set_cmf (struct ccw_device *cdev, int enable)

int	enable_cmf (struct ccw_device *cdev)

int	disable_cmf (struct ccw_device *cdev)

u64	cmf_read (struct ccw_device *cdev, int index)

int	cmf_readall (struct ccw_device cdev, struct cmbdata data)

int	cmf_reenable (struct ccw_device *cdev)

	module_init (init_cmf)

	MODULE_AUTHOR ("Arnd Bergmann <[email protected]>")

	MODULE_LICENSE ("GPL")

	MODULE_DESCRIPTION ("channel measurement facility base driver\n""Copyright IBM Corp. 2003\n")

	EXPORT_SYMBOL_GPL (enable_cmf)

	EXPORT_SYMBOL_GPL (disable_cmf)

	EXPORT_SYMBOL_GPL (cmf_read)

	EXPORT_SYMBOL_GPL (cmf_readall)

Macro Definition Documentation

#define ARGSTRING "s390cmf"

Definition at line 57 of file cmf.c.

#define cmf_attr ( name )

Value:

static ssize_t show_##name(struct device *dev, \
               struct device_attribute *attr, char *buf)    \
{ return cmb_show_attr((dev), buf, cmb_##name); } \
static DEVICE_ATTR(name, 0444, show_##name, NULL);

Definition at line 1106 of file cmf.c.

#define cmf_attr_avg ( name )

Value:

static ssize_t show_avg_##name(struct device *dev, \
                   struct device_attribute *attr, char *buf) \
{ return cmb_show_attr((dev), buf, cmb_##name); } \
static DEVICE_ATTR(avg_##name, 0444, show_avg_##name, NULL);

Definition at line 1112 of file cmf.c.

#define CMF_PENDING 1

Definition at line 221 of file cmf.c.

#define KMSG_COMPONENT "cio"

Definition at line 26 of file cmf.c.

#define pr_fmt ( fmt ) KMSG_COMPONENT ": " fmt

Definition at line 27 of file cmf.c.

Enumeration Type Documentation

enum cmb_format

enum cmb_format - types of supported measurement block formats

: traditional channel measurement blocks supported by all machines that we run on : improved format that was introduced with the z990 machine : default: use extended format when running on a machine supporting extended format, otherwise fall back to basic format

Enumerator:

CMF_BASIC
CMF_EXTENDED
CMF_AUTODETECT

Definition at line 85 of file cmf.c.

enum cmb_index

Enumerator:

cmb_ssch_rsch_count
cmb_sample_count
cmb_device_connect_time
cmb_function_pending_time
cmb_device_disconnect_time
cmb_control_unit_queuing_time
cmb_device_active_only_time
cmb_device_busy_time
cmb_initial_command_response_time

Definition at line 60 of file cmf.c.

Function Documentation

int ccw_set_cmf	(	struct ccw_device *	cdev,
		int	enable
	)

Definition at line 1205 of file cmf.c.

cmf_attr ( ssch_rsch_count )

cmf_attr ( sample_count )

cmf_attr_avg ( device_connect_time )

cmf_attr_avg ( function_pending_time )

cmf_attr_avg ( device_disconnect_time )

cmf_attr_avg ( control_unit_queuing_time )

cmf_attr_avg ( device_active_only_time )

cmf_attr_avg ( device_busy_time )

cmf_attr_avg ( initial_command_response_time )

u64 cmf_read	(	struct ccw_device *	cdev,
		int	index
	)

cmf_read() - read one value from the current channel measurement block : the channel to be read : the index of the value to be read

Returns the value read or %0 if the value cannot be read.

Context: any

Definition at line 1271 of file cmf.c.

int cmf_readall	(	struct ccw_device *	cdev,
		struct cmbdata *	data
	)

cmf_readall() - read the current channel measurement block : the channel to be read : a pointer to a data block that will be filled

Returns %0 on success, a negative error value otherwise.

Context: any

Definition at line 1286 of file cmf.c.

int cmf_reenable ( struct ccw_device * cdev )

Definition at line 1292 of file cmf.c.

void cmf_retry_copy_block ( struct ccw_device * cdev )

Definition at line 401 of file cmf.c.

DEVICE_ATTR	(	cmb_enable	,
		0644	,
		cmb_enable_show	,
		cmb_enable_store
	)

int disable_cmf ( struct ccw_device * cdev )

disable_cmf() - switch off the channel measurement for a specific device : The ccw device to be disabled

Returns %0 for success or a negative error value.

Context: non-atomic

Definition at line 1249 of file cmf.c.

int enable_cmf ( struct ccw_device * cdev )

enable_cmf() - switch on the channel measurement for a specific device : The ccw device to be enabled

Returns %0 for success or a negative error value.

Context: non-atomic

Definition at line 1219 of file cmf.c.

EXPORT_SYMBOL_GPL ( enable_cmf )

EXPORT_SYMBOL_GPL ( disable_cmf )

EXPORT_SYMBOL_GPL ( cmf_read )

EXPORT_SYMBOL_GPL ( cmf_readall )

MODULE_AUTHOR ( "Arnd Bergmann <[email protected]>" )

MODULE_DESCRIPTION ( "channel measurement facility base driver\n""Copyright IBM Corp. 2003\n" )

module_init ( init_cmf )

MODULE_LICENSE ( "GPL" )

module_param	(	format	,
		bint	,
		0444
	)

module_param_named	(	maxchannels	,
		cmb_area.	num_channels,
		uint	,
		0444
	)

void retry_set_schib ( struct ccw_device * cdev )

Definition at line 280 of file cmf.c.

Data Structures

Macros

Enumerations

Functions

Macro Definition Documentation

Enumeration Type Documentation

Function Documentation