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/*

 * pmc.h

 * Copyright (C) 2001  Dave Engebretsen & Mike Corrigan IBM Corporation.

 *

 * The PPC64 PMC subsystem encompases both the hardware PMC registers and

 * a set of software event counters.  An interface is provided via the

 * proc filesystem which can be used to access this subsystem.

 *

 * This program is free software; you can redistribute it and/or modify

 * it under the terms of the GNU General Public License as published by

 * the Free Software Foundation; either version 2 of the License, or

 * (at your option) any later version.

 *

 * This program is distributed in the hope that it will be useful,

 * but WITHOUT ANY WARRANTY; without even the implied warranty of

 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

 * GNU General Public License for more details.

 *

 * You should have received a copy of the GNU General Public License

 * along with this program; if not, write to the Free Software

 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA

 */

/* Start Change Log

 * 2001/06/05 : engebret : Created.

 * End Change Log

 */

#ifndef _PPC64_TYPES_H

#include        <asm/types.h>

#endif

#ifndef _PMC_H

#define _PMC_H

#define STAB_ENTRY_MAX 64

struct _pmc_hw

{

        u64 mmcr0;

        u64 mmcr1;

        u64 mmcra;

        u64 pmc1;

        u64 pmc2;

        u64 pmc3;

        u64 pmc4;

        u64 pmc5;

        u64 pmc6;

        u64 pmc7;

        u64 pmc8;

};

struct _pmc_sw

{

        u64 stab_faults;           /* Count of faults on the stab      */

        u64 stab_capacity_castouts;/* Count of castouts from the stab  */

        u64 stab_invalidations;    /* Count of invalidations from the  */

                                   /*   stab, not including castouts   */

        u64 stab_entry_use[STAB_ENTRY_MAX];

        u64 htab_primary_overflows;

        u64 htab_capacity_castouts;

        u64 htab_read_to_write_fault;

};

#define PMC_HW_TEXT_ENTRY_COUNT (sizeof(struct _pmc_hw) / sizeof(u64))

#define PMC_SW_TEXT_ENTRY_COUNT (sizeof(struct _pmc_sw) / sizeof(u64))

#define PMC_TEXT_ENTRY_SIZE  64

struct _pmc_sw_text {

        char buffer[PMC_SW_TEXT_ENTRY_COUNT * PMC_TEXT_ENTRY_SIZE];

};

struct _pmc_hw_text {

        char buffer[PMC_HW_TEXT_ENTRY_COUNT * PMC_TEXT_ENTRY_SIZE];

};

extern struct _pmc_sw pmc_sw_system;

extern struct _pmc_sw pmc_sw_cpu[];

extern struct _pmc_sw_text pmc_sw_text;

extern struct _pmc_hw_text pmc_hw_text;

extern char *ppc64_pmc_stab(int file);

extern char *ppc64_pmc_htab(int file);

extern char *ppc64_pmc_hw(int file);

void *btmalloc(unsigned long size);

void btfree(void *addr);

#if 1

#define PMC_SW_PROCESSOR(F)      pmc_sw_cpu[smp_processor_id()].F++

#define PMC_SW_PROCESSOR_A(F, E) (pmc_sw_cpu[smp_processor_id()].F[(E)])++

#define PMC_SW_SYSTEM(F)         pmc_sw_system.F++

#else

#define PMC_SW_PROCESSOR(F)   do {;} while (0)

#define PMC_SW_PROCESSOR_A(F) do {;} while (0)

#define PMC_SW_SYSTEM(F)      do {;} while (0)

#endif

#define PMC_CONTROL_CPI 1

#define PMC_CONTROL_TLB 2

/* To find an entry in the bolted page-table-directory */

#define pgd_offset_b(address) (bolted_pgd + pgd_index(address))

#define BTMALLOC_START 0xB000000000000000

#define BTMALLOC_END   0xB0000000ffffffff /* 4 GB Max-more or less arbitrary */

#endif /* _PMC_H */