xref: /titanic_51/usr/src/uts/sun4v/sys/cpu_module.h (revision 575a742678105d588b7c8e1653b57a7e3d78440b)

/*
 * CDDL HEADER START
 *
 * The contents of this file are subject to the terms of the
 * Common Development and Distribution License (the "License").
 * You may not use this file except in compliance with the License.
 *
 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
 * or http://www.opensolaris.org/os/licensing.
 * See the License for the specific language governing permissions
 * and limitations under the License.
 *
 * When distributing Covered Code, include this CDDL HEADER in each
 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
 * If applicable, add the following below this CDDL HEADER, with the
 * fields enclosed by brackets "[]" replaced with your own identifying
 * information: Portions Copyright [yyyy] [name of copyright owner]
 *
 * CDDL HEADER END
 */

/*
 * Copyright 2008 Sun Microsystems, Inc.  All rights reserved.
 * Use is subject to license terms.
 */

#ifndef _SYS_CPU_MODULE_H
#define	_SYS_CPU_MODULE_H

#pragma ident	"%Z%%M%	%I%	%E% SMI"

#include <sys/pte.h>
#include <sys/async.h>
#include <sys/x_call.h>
#include <sys/conf.h>
#include <sys/obpdefs.h>
#include <sys/mdesc.h>

#ifdef	__cplusplus
extern "C" {
#endif


#ifdef _KERNEL

/*
 * The are functions that are expected of the cpu modules.
 */

extern struct module_ops *moduleops;

struct kdi;

/*
 * module initialization
 */
void	cpu_setup(void);

/*
 * set CPU implementation details
 *
 * mmu_init_mmu_page_sizes changes the mmu_page_sizes variable from
 *	The default 4 page sizes to 6 page sizes for Panther-only domains,
 *	and is called from fillsysinfo.c:check_cpus_set at early bootup time.
 */
struct cpu_node;
void	cpu_fiximp(struct cpu_node *cpunode);
void	cpu_map_exec_units(struct cpu *cp);
#pragma weak mmu_init_mmu_page_sizes
int	mmu_init_mmu_page_sizes(int cinfo);

/*
 * virtual demap flushes (tlbs & virtual tag caches)
 */
void	vtag_flushpage(caddr_t addr, uint64_t sfmmup);
void	vtag_flushall(void);
#pragma weak vtag_flushall_uctxs
void    vtag_flushall_uctxs(void);
void	vtag_flushpage_tl1(uint64_t addr,  uint64_t sfmmup);
void	vtag_flush_pgcnt_tl1(uint64_t addr, uint64_t sfmmup_pgcnt);
void	vtag_flushall_tl1(uint64_t dummy1, uint64_t dummy2);
void	vtag_unmap_perm_tl1(uint64_t addr, uint64_t ctx);

/*
 * Calculate, set optimal dtlb pagesize, for ISM and mpss, to support
 * cpus with non-fully-associative dtlbs.
 */
extern uchar_t *ctx_pgsz_array;

/*
 * flush instruction cache if needed
 */
void	flush_instr_mem(caddr_t addr, size_t len);

/*
 * Cpu-specific error and ecache handling routines
 */
#pragma weak itlb_parity_trap
void itlb_parity_trap(void);

#pragma weak dtlb_parity_trap
void dtlb_parity_trap(void);

/*
 * this symbol appears as a second label for vtag_flushall
 * only for cpus that implement DEMAP_ALL_TYPE
 */
#pragma	weak demap_all

/*
 * change cpu speed
 */
void	cpu_change_speed(uint64_t divisor, uint64_t arg2);

/*
 * flush routine
 */
#pragma weak dtrace_flush_sec
void	dtrace_flush_sec(uintptr_t);

/*
 * Cpu private initialize/uninitialize, including ecache scrubber.
 */
void	cpu_init_private(struct cpu *);
void	cpu_uninit_private(struct cpu *);

#pragma weak cpu_mp_init
void    cpu_mp_init(void);

#pragma weak cpu_feature_init
void    cpu_feature_init(void);

#pragma weak cpu_error_init
void	cpu_error_init(int);

extern int kzero(void *addr, size_t count);
extern void uzero(void *addr, size_t count);
extern void bzero(void *addr, size_t count);

/*
 * trapstat interface and cpu_trapstat_conf commands
 */
#define	CPU_TSTATCONF_INIT	1
#define	CPU_TSTATCONF_FINI	2
#define	CPU_TSTATCONF_ENABLE	3
#define	CPU_TSTATCONF_DISABLE	4

int	cpu_trapstat_conf(int cmd);
void	cpu_trapstat_data(void *buf, uint_t pgszs);
/* Used  by the fill_cpu() function */
#define	NO_MAPPING_FOUND		0xffffffff
#define	NO_EU_MAPPING_FOUND		NO_MAPPING_FOUND
#define	NO_CHIP_MAPPING_FOUND		NO_MAPPING_FOUND
#define	NO_CORE_MAPPING_FOUND		NO_MAPPING_FOUND
#define	NO_L2_CACHE_MAPPING_FOUND	NO_MAPPING_FOUND
/*
 * Default MMU pagesize mask for sun4v architecture.
 */
#define	DEFAULT_SUN4V_MMU_PAGESIZE_MASK	((1 << TTE8K) | (1 << TTE64K) \
					    | (1 << TTE4M))

void	cpu_setup_common(char **);
int	l2_cache_node_count(void);

void	fill_cpu(md_t *, mde_cookie_t);
int	setup_cpu_common(int);
int	cleanup_cpu_common(int);
void	setup_exec_unit_mappings(md_t *);
void	setup_chip_mappings(md_t *);

boolean_t	broken_md_flag;
int	va_bits;

#endif /* _KERNEL */

#ifdef	__cplusplus
}
#endif

#endif /* _SYS_CPU_MODULE_H */