i7300_idle.c File Reference

#include <linux/module.h>
#include <linux/pci.h>
#include <linux/gfp.h>
#include <linux/sched.h>
#include <linux/notifier.h>
#include <linux/cpumask.h>
#include <linux/ktime.h>
#include <linux/delay.h>
#include <linux/debugfs.h>
#include <linux/stop_machine.h>
#include <linux/i7300_idle.h>
#include <asm/idle.h>
#include "../dma/ioat/hw.h"
#include "../dma/ioat/registers.h"

Go to the source code of this file.

Data Structures
struct	debugfs_file_info

Macros
#define	I7300_IDLE_DRIVER_VERSION   "1.55"
#define	I7300_PRINT   "i7300_idle:"
#define	MAX_STOP_RETRIES   10
#define	dprintk(fmt, arg...)   do { if (debug) printk(KERN_INFO I7300_PRINT fmt, ##arg); } while (0)
#define	MAX_THROTTLE_LOW_LIMIT   168
#define	IOAT_CHANBASE(ioat_ctl, chan)   (ioat_ctl + 0x80 + 0x80 * chan)
#define	IOAT_DESC_SADDR_SNP_CTL   (1UL << 1)
#define	IOAT_DESC_DADDR_SNP_CTL   (1UL << 2)
#define	DIMM_THRTLOW   0x64
#define	DIMM_THRTCTL   0x67
#define	DIMM_THRTCTL_THRMHUNT   (1UL << 0)
#define	DIMM_MC   0x40
#define	DIMM_GTW_MODE   (1UL << 17)
#define	DIMM_GBLACT   0x60
#define	DURATION_WEIGHT_PCT   55
#define	DURATION_THRESHOLD_US   100

Functions
	module_param_named (debug, debug, uint, 0644)
	MODULE_PARM_DESC (debug,"Enable debug printks in this driver")
	module_param_named (forceload, forceload, uint, 0644)
	MODULE_PARM_DESC (debug,"Enable driver testing on unvalidated i5000")
	module_param_named (throttle_low_limit, throttle_low_limit, uint, 0644)
	MODULE_PARM_DESC (throttle_low_limit,"Value for THRTLOWLM activation field ""(0 = disable throttle, 1 = Max throttle, 168 = Min throttle)")
	MODULE_DEVICE_TABLE (pci, pci_tbl)
	module_init (i7300_idle_init)
	module_exit (i7300_idle_exit)
	MODULE_AUTHOR ("Andy Henroid <[email protected]>")
	MODULE_DESCRIPTION ("Intel Chipset DIMM Idle Power Saving Driver v"I7300_IDLE_DRIVER_VERSION)
	MODULE_LICENSE ("GPL")

Variables
struct debugfs_file_info	debugfs_file_list []

Macro Definition Documentation

#define DIMM_GBLACT   0x60

Definition at line 326 of file i7300_idle.c.

#define DIMM_GTW_MODE   (1UL << 17)

Definition at line 325 of file i7300_idle.c.

#define DIMM_MC   0x40

Definition at line 324 of file i7300_idle.c.

#define DIMM_THRTCTL   0x67

Definition at line 322 of file i7300_idle.c.

#define DIMM_THRTCTL_THRMHUNT   (1UL << 0)

Definition at line 323 of file i7300_idle.c.

#define DIMM_THRTLOW   0x64

Definition at line 321 of file i7300_idle.c.

#define dprintk	(		fmt,
			arg...
	)		do { if (debug) printk(KERN_INFO I7300_PRINT fmt, ##arg); } while (0)

Definition at line 49 of file i7300_idle.c.

#define DURATION_THRESHOLD_US   100

Definition at line 342 of file i7300_idle.c.

#define DURATION_WEIGHT_PCT   55

Definition at line 335 of file i7300_idle.c.

#define I7300_IDLE_DRIVER_VERSION   "1.55"

Definition at line 36 of file i7300_idle.c.

#define I7300_PRINT   "i7300_idle:"

Definition at line 37 of file i7300_idle.c.

#define IOAT_CHANBASE	(		ioat_ctl,
			chan
	)		(ioat_ctl + 0x80 + 0x80 * chan)

Definition at line 93 of file i7300_idle.c.

#define IOAT_DESC_DADDR_SNP_CTL   (1UL << 2)

Definition at line 96 of file i7300_idle.c.

#define IOAT_DESC_SADDR_SNP_CTL   (1UL << 1)

Definition at line 95 of file i7300_idle.c.

#define MAX_STOP_RETRIES   10

Definition at line 39 of file i7300_idle.c.

#define MAX_THROTTLE_LOW_LIMIT   168

Definition at line 59 of file i7300_idle.c.

Function Documentation

MODULE_AUTHOR

(

"Andy Henroid <[email protected]>"

)

MODULE_DESCRIPTION

(

"Intel Chipset DIMM Idle Power Saving Driver v"

I7300_IDLE_DRIVER_VERSION

)

MODULE_DEVICE_TABLE	(	pci	,
		pci_tbl
	)

module_exit

(

i7300_idle_exit

)

module_init

(

i7300_idle_init

)

MODULE_LICENSE

(

"GPL"

)

module_param_named	(	debug	,
		debug	,
		uint	,
		0644
	)

module_param_named	(	forceload	,
		forceload	,
		uint	,
		0644
	)

module_param_named	(	throttle_low_limit	,
		throttle_low_limit	,
		uint	,
		0644
	)

MODULE_PARM_DESC	(	debug	,
		"Enable debug printks in this driver"
	)

MODULE_PARM_DESC	(	debug	,
		"Enable driver testing on unvalidated i5000"
	)

MODULE_PARM_DESC	(	throttle_low_limit	,
		"Value for THRTLOWLM activation field ""(0 = disable throttle, 1 = Max throttle, 168 = Min throttle)"
	)

Variable Documentation

struct debugfs_file_info debugfs_file_list[]

Initial value:

= {
                {&total_starts, "total_starts", NULL},
                {&total_us, "total_us", NULL},



                {NULL, "", NULL}
            }