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      1 /*
      2  * CDDL HEADER START
      3  *
      4  * The contents of this file are subject to the terms of the
      5  * Common Development and Distribution License (the "License").
      6  * You may not use this file except in compliance with the License.
      7  *
      8  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
      9  * or http://www.opensolaris.org/os/licensing.
     10  * See the License for the specific language governing permissions
     11  * and limitations under the License.
     12  *
     13  * When distributing Covered Code, include this CDDL HEADER in each
     14  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
     15  * If applicable, add the following below this CDDL HEADER, with the
     16  * fields enclosed by brackets "[]" replaced with your own identifying
     17  * information: Portions Copyright [yyyy] [name of copyright owner]
     18  *
     19  * CDDL HEADER END
     20  */
     21 
     22 /*
     23  * Copyright 2008 Sun Microsystems, Inc.  All rights reserved.
     24  * Use is subject to license terms.
     25  */
     26 
     27 #ifndef _SYS_CPU_MODULE_IMPL_H
     28 #define	_SYS_CPU_MODULE_IMPL_H
     29 
     30 #include <sys/cpu_module.h>
     31 #include <sys/cpuvar.h>
     32 #include <sys/types.h>
     33 
     34 #ifdef __cplusplus
     35 extern "C" {
     36 #endif
     37 
     38 typedef uint32_t cmi_api_ver_t;
     39 
     40 #define	_CMI_API_VERSION_MAGIC	0xa5100000
     41 #define	_CMI_API_VERSION(n)	(_CMI_API_VERSION_MAGIC | (n))
     42 
     43 #define	CMI_API_VERSION_CHKMAGIC(v) \
     44 	(((v) & 0xfff00000) == _CMI_API_VERSION_MAGIC)
     45 #define	CMI_API_VERSION_TOPRINT(v) ((v) & 0x000fffff)
     46 
     47 #define	CMI_API_VERSION_0	_CMI_API_VERSION(0)
     48 #define	CMI_API_VERSION_1	_CMI_API_VERSION(1)
     49 #define	CMI_API_VERSION_2	_CMI_API_VERSION(2)
     50 #define	CMI_API_VERSION_3	_CMI_API_VERSION(3)
     51 
     52 #define	CMI_API_VERSION		CMI_API_VERSION_3
     53 
     54 typedef struct cmi_ops {
     55 	int (*cmi_init)(cmi_hdl_t, void **);
     56 	void (*cmi_post_startup)(cmi_hdl_t);
     57 	void (*cmi_post_mpstartup)(cmi_hdl_t);
     58 	void (*cmi_faulted_enter)(cmi_hdl_t);
     59 	void (*cmi_faulted_exit)(cmi_hdl_t);
     60 	void (*cmi_mca_init)(cmi_hdl_t);
     61 	uint64_t (*cmi_mca_trap)(cmi_hdl_t, struct regs *);
     62 	void (*cmi_cmci_trap)();
     63 	cmi_errno_t (*cmi_msrinject)(cmi_hdl_t, cmi_mca_regs_t *, uint_t, int);
     64 	void (*cmi_hdl_poke)(cmi_hdl_t);
     65 	void (*cmi_fini)(cmi_hdl_t);
     66 	void (*cmi_panic_callback)(void);
     67 } cmi_ops_t;
     68 
     69 /*
     70  * Utility functions provided by the cpu module interface for the sole
     71  * use of cpu module implementations.
     72  */
     73 extern int cmi_mce_response(struct regs *, uint64_t);
     74 
     75 /*
     76  * Terminal dispositions to be returned by cmi_mca_trap entry point
     77  */
     78 #define	CMI_ERRDISP_CURCTXBAD		0x00000001ULL
     79 #define	CMI_ERRDISP_RIPV_INVALID	0x00000002ULL
     80 #define	CMI_ERRDISP_UC_UNCONSTRAINED	0x00000004ULL
     81 #define	CMI_ERRDISP_FORCEFATAL		0x00000008ULL
     82 
     83 /*
     84  * Non-terminal errors dispositions that can be returned by cmi_mca_trap
     85  */
     86 #define	CMI_ERRDISP_IGNORED		0x00010000ULL
     87 #define	CMI_ERRDISP_PCC_CLEARED		0x00020000ULL
     88 #define	CMI_ERRDISP_UC_CLEARED		0x00040000ULL
     89 #define	CMI_ERRDISP_POISONED		0x00080000ULL
     90 #define	CMI_ERRDISP_INCONSISTENT	0x00100000ULL
     91 
     92 #ifdef __cplusplus
     93 }
     94 #endif
     95 
     96 #endif /* _SYS_CPU_MODULE_IMPL_H */
     97