Commit 1f38d613 authored by Gerald Schaefer's avatar Gerald Schaefer Committed by Martin Schwidefsky
Browse files

[S390] cleanup appldata. 



Introduce asm header that contains the appldata data structures and
the diag inline assembly.

Signed-off-by: default avatarGerald Schaefer <geraldsc@de.ibm.com>
Signed-off-by: default avatarMartin Schwidefsky <schwidefsky@de.ibm.com>
parent 45af3af8

arch/s390/appldata/appldata.h

+0 −16
Original line number Diff line number Diff line
@@ -29,22 +29,6 @@ 
#define CTL_APPLDATA_NET_SUM	2125

#define CTL_APPLDATA_PROC	2126



#ifndef CONFIG_64BIT



#define APPLDATA_START_INTERVAL_REC 0x00	/* Function codes for */

#define APPLDATA_STOP_REC	    0x01	/* DIAG 0xDC	  */

#define APPLDATA_GEN_EVENT_RECORD   0x02

#define APPLDATA_START_CONFIG_REC   0x03



#else



#define APPLDATA_START_INTERVAL_REC 0x80

#define APPLDATA_STOP_REC	    0x81

#define APPLDATA_GEN_EVENT_RECORD   0x82

#define APPLDATA_START_CONFIG_REC   0x83



#endif /* CONFIG_64BIT */



#define P_INFO(x...)	printk(KERN_INFO MY_PRINT_NAME " info: " x)

#define P_ERROR(x...)	printk(KERN_ERR MY_PRINT_NAME " error: " x)

#define P_WARNING(x...)	printk(KERN_WARNING MY_PRINT_NAME " status: " x)

arch/s390/appldata/appldata_base.c

+12 −69
Original line number Diff line number Diff line
@@ -14,20 +14,20 @@ 
#include <linux/init.h>

#include <linux/slab.h>

#include <linux/errno.h>

#include <asm/uaccess.h>

#include <asm/io.h>

#include <asm/smp.h>

#include <linux/interrupt.h>

#include <linux/proc_fs.h>

#include <linux/page-flags.h>

#include <linux/swap.h>

#include <linux/pagemap.h>

#include <linux/sysctl.h>

#include <asm/timer.h>

//#include <linux/kernel_stat.h>

#include <linux/notifier.h>

#include <linux/cpu.h>

#include <linux/workqueue.h>

#include <asm/appldata.h>

#include <asm/timer.h>

#include <asm/uaccess.h>

#include <asm/io.h>

#include <asm/smp.h>



#include "appldata.h"
@@ -39,34 +39,6 @@ 


#define TOD_MICRO	0x01000			/* nr. of TOD clock units

						   for 1 microsecond */



/*

 * Parameter list for DIAGNOSE X'DC'

 */

#ifndef CONFIG_64BIT

struct appldata_parameter_list {

	u16 diag;		/* The DIAGNOSE code X'00DC'          */

	u8  function;		/* The function code for the DIAGNOSE */

	u8  parlist_length;	/* Length of the parameter list       */

	u32 product_id_addr;	/* Address of the 16-byte product ID  */

	u16 reserved;

	u16 buffer_length;	/* Length of the application data buffer  */

	u32 buffer_addr;	/* Address of the application data buffer */

};

#else

struct appldata_parameter_list {

	u16 diag;

	u8  function;

	u8  parlist_length;

	u32 unused01;

	u16 reserved;

	u16 buffer_length;

	u32 unused02;

	u64 product_id_addr;

	u64 buffer_addr;

};

#endif /* CONFIG_64BIT */



/*

 * /proc entries (sysctl)

 */
@@ -181,46 +153,17 @@ static void appldata_work_fn(void *data) 
int appldata_diag(char record_nr, u16 function, unsigned long buffer,

			u16 length, char *mod_lvl)

{

	unsigned long ry;

	struct appldata_product_id {

		char prod_nr[7];			/* product nr. */

		char prod_fn[2];			/* product function */

		char record_nr;				/* record nr. */

		char version_nr[2];			/* version */

		char release_nr[2];			/* release */

		char mod_lvl[2];			/* modification lvl. */

	} appldata_product_id = {

	/* all strings are EBCDIC, record_nr is byte */

	struct appldata_product_id id = {

		.prod_nr    = {0xD3, 0xC9, 0xD5, 0xE4,

			       0xE7, 0xD2, 0xD9},	/* "LINUXKR" */

		.prod_fn    = {0xD5, 0xD3},		/* "NL" */

		.prod_fn    = 0xD5D3,			/* "NL" */

		.record_nr  = record_nr,

		.version_nr = {0xF2, 0xF6},		/* "26" */

		.release_nr = {0xF0, 0xF1},		/* "01" */

		.mod_lvl    = {mod_lvl[0], mod_lvl[1]},

	};

	struct appldata_parameter_list appldata_parameter_list = {

				.diag = 0xDC,

				.function = function,

				.parlist_length =

					sizeof(appldata_parameter_list),

				.buffer_length = length,

				.product_id_addr =

					(unsigned long) &appldata_product_id,

				.buffer_addr = virt_to_phys((void *) buffer)

		.version_nr = 0xF2F6,			/* "26" */

		.release_nr = 0xF0F1,			/* "01" */

		.mod_lvl    = (mod_lvl[0]) << 8 | mod_lvl[1],

	};



	if (!MACHINE_IS_VM)

		return -ENOSYS;

	ry = -1;

	asm volatile(

			"diag %1,%0,0xDC\n\t"

			: "=d" (ry)

			: "d" (&appldata_parameter_list),

			  "m" (appldata_parameter_list),

			  "m" (appldata_product_id)

			: "cc");

	return (int) ry;

	return appldata_asm(&id, function, (void *) buffer, length);

}

/************************ timer, work, DIAG <END> ****************************/

arch/s390/appldata/appldata_os.c

+1 −0
Original line number Diff line number Diff line
@@ -16,6 +16,7 @@ 
#include <linux/kernel_stat.h>

#include <linux/netdevice.h>

#include <linux/sched.h>

#include <asm/appldata.h>

#include <asm/smp.h>



#include "appldata.h"

include/asm-s390/appldata.h

0 → 100644
+90 −0
Original line number Diff line number Diff line 
/*

 * include/asm-s390/appldata.h

 *

 * Copyright (C) IBM Corp. 2006

 *

 * Author(s): Melissa Howland <melissah@us.ibm.com>

 */



#ifndef _ASM_S390_APPLDATA_H

#define _ASM_S390_APPLDATA_H



#include <asm/io.h>



#ifndef CONFIG_64BIT



#define APPLDATA_START_INTERVAL_REC	0x00	/* Function codes for */

#define APPLDATA_STOP_REC		0x01	/* DIAG 0xDC	      */

#define APPLDATA_GEN_EVENT_REC		0x02

#define APPLDATA_START_CONFIG_REC	0x03



/*

 * Parameter list for DIAGNOSE X'DC'

 */

struct appldata_parameter_list {

	u16 diag;		/* The DIAGNOSE code X'00DC'	      */

	u8  function;		/* The function code for the DIAGNOSE */

	u8  parlist_length;	/* Length of the parameter list       */

	u32 product_id_addr;	/* Address of the 16-byte product ID  */

	u16 reserved;

	u16 buffer_length;	/* Length of the application data buffer  */

	u32 buffer_addr;	/* Address of the application data buffer */

} __attribute__ ((packed));



#else /* CONFIG_64BIT */



#define APPLDATA_START_INTERVAL_REC	0x80

#define APPLDATA_STOP_REC		0x81

#define APPLDATA_GEN_EVENT_REC		0x82

#define APPLDATA_START_CONFIG_REC	0x83



/*

 * Parameter list for DIAGNOSE X'DC'

 */

struct appldata_parameter_list {

	u16 diag;

	u8  function;

	u8  parlist_length;

	u32 unused01;

	u16 reserved;

	u16 buffer_length;

	u32 unused02;

	u64 product_id_addr;

	u64 buffer_addr;

} __attribute__ ((packed));



#endif /* CONFIG_64BIT */



struct appldata_product_id {

	char prod_nr[7];	/* product number */

	u16  prod_fn;		/* product function */

	u8   record_nr; 	/* record number */

	u16  version_nr;	/* version */

	u16  release_nr;	/* release */

	u16  mod_lvl;		/* modification level */

} __attribute__ ((packed));



static inline int appldata_asm(struct appldata_product_id *id,

			       unsigned short fn, void *buffer,

			       unsigned short length)

{

	struct appldata_parameter_list parm_list;

	int ry;



	if (!MACHINE_IS_VM)

		return -ENOSYS;

	parm_list.diag = 0xdc;

	parm_list.function = fn;

	parm_list.parlist_length = sizeof(parm_list);

	parm_list.buffer_length = length;

	parm_list.product_id_addr = (unsigned long) id;

	parm_list.buffer_addr = virt_to_phys(buffer);

	asm volatile(

		"diag %1,%0,0xdc"

		: "=d" (ry)

		: "d" (&parm_list), "m" (parm_list), "m" (*id)

		: "cc");

	return ry;

}



#endif /* _ASM_S390_APPLDATA_H */