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/*
* 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 _DDIFM_IMPL_H
#define _DDIFM_IMPL_H
#include <sys/dditypes.h>
#include <sys/errorq.h>
#ifdef __cplusplus
extern "C" {
#endif
struct i_ddi_fmkstat {
kstat_named_t fek_erpt_dropped; /* total ereports dropped */
kstat_named_t fek_fmc_miss; /* total fmc misses */
kstat_named_t fek_fmc_full; /* total fmc allocs fail */
kstat_named_t fek_acc_err; /* total access errors */
kstat_named_t fek_dma_err; /* total dma errors */
};
/* Fault management error handler support */
#define DDI_MAX_ERPT_CLASS 64
#define DDI_FM_STKDEPTH 20
#define DDI_FM_SYM_SZ 64
struct i_ddi_errhdl {
int (*eh_func)(); /* error handler callback */
void *eh_impl; /* callback arg */
};
/* Fault management resource cache support */
struct i_ddi_fmc_entry {
struct i_ddi_fmc_entry *fce_prev;
struct i_ddi_fmc_entry *fce_next;
void *fce_resource; /* acc or DMA handle cached */
void *fce_bus_specific; /* Bus-specific handle data */
};
struct i_ddi_fmc {
kmutex_t fc_lock; /* cache active access */
struct i_ddi_fmc_entry *fc_head; /* active handle list */
struct i_ddi_fmc_entry *fc_tail; /* tail of active handle list */
};
/* Error handler targets */
struct i_ddi_fmtgt {
struct i_ddi_fmtgt *ft_next; /* next fm child target */
dev_info_t *ft_dip; /* fm target error handler dip */
struct i_ddi_errhdl *ft_errhdl; /* error handler */
};
struct i_ddi_fmhdl {
kmutex_t fh_lock; /* error handler lock */
kthread_t *fh_lock_owner;
struct i_ddi_fmc *fh_dma_cache; /* fm dma handle cache */
struct i_ddi_fmc *fh_acc_cache; /* fm access handle cache */
dev_info_t *fh_dip;
kstat_t *fh_ksp; /* pointer to installed kstat */
int fh_cap; /* fm level for this instance */
struct i_ddi_fmkstat fh_kstat; /* fm kstats for this inst */
errorq_t *fh_errorq; /* errorq for this instance */
nvlist_t *fh_fmri; /* optional fmri */
ddi_iblock_cookie_t fh_ibc; /* ibc for error handling */
struct i_ddi_fmtgt *fh_tgts; /* registered fm tgts */
void *fh_bus_specific; /* Bus specific FM info */
};
typedef struct pci_fm_err {
char *err_class;
uint32_t reg_bit;
char *terr_class;
int flags;
} pci_fm_err_t;
extern pci_fm_err_t pci_err_tbl[];
#ifdef _KERNEL
typedef int (*ddi_fmcompare_t)(dev_info_t *, const void *, const void *,
const void *);
extern void ndi_fm_init(void);
/* driver defect error reporting */
extern void i_ddi_drv_ereport_post(dev_info_t *, const char *, nvlist_t *, int);
/* target error handler add/remove/dispatch */
extern void i_ddi_fm_handler_enter(dev_info_t *);
extern void i_ddi_fm_handler_exit(dev_info_t *);
extern boolean_t i_ddi_fm_handler_owned(dev_info_t *);
/* access and dma handle protection support */
extern void i_ddi_fm_acc_err_set(ddi_acc_handle_t, uint64_t, int, int);
extern void i_ddi_fm_dma_err_set(ddi_dma_handle_t, uint64_t, int, int);
extern ddi_fmcompare_t i_ddi_fm_acc_err_cf_get(ddi_acc_handle_t);
extern ddi_fmcompare_t i_ddi_fm_dma_err_cf_get(ddi_dma_handle_t);
/* fm busop support */
extern void i_ndi_busop_access_enter(dev_info_t *, ddi_acc_handle_t);
extern void i_ndi_busop_access_exit(dev_info_t *, ddi_acc_handle_t);
extern int i_ndi_busop_fm_init(dev_info_t *, int, ddi_iblock_cookie_t *);
extern void i_ndi_busop_fm_fini(dev_info_t *);
/* fm cache support */
void i_ndi_fmc_create(struct i_ddi_fmc **, int, ddi_iblock_cookie_t);
void i_ndi_fmc_destroy(struct i_ddi_fmc *);
#endif /* _KERNEL */
#ifdef __cplusplus
}
#endif
#endif /* _DDIFM_IMPL_H */
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