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Diffstat (limited to 'usr/src/uts/common/sys/ddifm.h')
| -rw-r--r-- | usr/src/uts/common/sys/ddifm.h | 111 |
1 files changed, 111 insertions, 0 deletions
diff --git a/usr/src/uts/common/sys/ddifm.h b/usr/src/uts/common/sys/ddifm.h new file mode 100644 index 0000000000..83f6db9ff4 --- /dev/null +++ b/usr/src/uts/common/sys/ddifm.h @@ -0,0 +1,111 @@ +/* + * CDDL HEADER START + * + * The contents of this file are subject to the terms of the + * Common Development and Distribution License, Version 1.0 only + * (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 2004 Sun Microsystems, Inc. All rights reserved. + * Use is subject to license terms. + */ + +#ifndef _DDIFM_H +#define _DDIFM_H + +#pragma ident "%Z%%M% %I% %E% SMI" + +#ifdef __cplusplus +extern "C" { +#endif + +#include <sys/dditypes.h> + +extern int ddi_system_fmcap; + +/* Fault Management error handling */ + +/* Error handling return status */ +#define DDI_FM_OK 0 +#define DDI_FM_FATAL -1 +#define DDI_FM_NONFATAL -2 +#define DDI_FM_UNKNOWN -3 + +/* Driver fault management capabilities */ +#define DDI_FM_NOT_CAPABLE 0x00000000 +#define DDI_FM_EREPORT_CAPABLE 0x00000001 +#define DDI_FM_ACCCHK_CAPABLE 0x00000002 +#define DDI_FM_DMACHK_CAPABLE 0x00000004 +#define DDI_FM_ERRCB_CAPABLE 0x00000008 + +#define DDI_FM_DEFAULT_CAP(cap) (cap == DDI_FM_NOT_CAPABLE) +#define DDI_FM_EREPORT_CAP(cap) (cap & DDI_FM_EREPORT_CAPABLE) +#define DDI_FM_ACC_ERR_CAP(cap) (cap & DDI_FM_ACCCHK_CAPABLE) +#define DDI_FM_DMA_ERR_CAP(cap) (cap & DDI_FM_DMACHK_CAPABLE) +#define DDI_FM_ERRCB_CAP(cap) (cap & DDI_FM_ERRCB_CAPABLE) + +/* error expectation values */ +#define DDI_FM_ERR_UNEXPECTED 0 +#define DDI_FM_ERR_EXPECTED 1 +#define DDI_FM_ERR_POKE 2 +#define DDI_FM_ERR_PEEK 3 + +#ifdef _KERNEL + +typedef struct ddi_fm_error { + int fme_version; /* version of this structure */ + int fme_status; /* status for this error */ + int fme_flag; /* error expectation flag */ + uint64_t fme_ena; /* ENA for this error */ + ddi_acc_handle_t fme_acc_handle; /* optional acc handle */ + ddi_dma_handle_t fme_dma_handle; /* optional dma handle */ + void *fme_bus_specific; /* optional bus specific err */ +} ddi_fm_error_t; + +#define DDI_FME_VER0 0 +#define DDI_FME_VERSION DDI_FME_VER0 + +typedef int (*ddi_err_func_t)(dev_info_t *, ddi_fm_error_t *, const void *); + +/* + * DDI for error handling and ereport generation + */ + +/* ereporting and service changes */ +extern void ddi_fm_ereport_post(dev_info_t *, const char *, uint64_t, int, ...); +extern void ddi_fm_service_impact(dev_info_t *, int); + +/* error handling */ +extern void ddi_fm_handler_register(dev_info_t *, ddi_err_func_t, void *); +extern void ddi_fm_handler_unregister(dev_info_t *); + +/* fault management initialization and clean-up */ +extern void ddi_fm_init(dev_info_t *, int *, ddi_iblock_cookie_t *); +extern void ddi_fm_fini(dev_info_t *); +extern int ddi_fm_capable(dev_info_t *dip); + +/* access and dma handle error protection */ +extern void ddi_fm_dma_err_get(ddi_dma_handle_t, ddi_fm_error_t *, int); +extern void ddi_fm_acc_err_get(ddi_acc_handle_t, ddi_fm_error_t *, int); + +#endif /* _KERNEL */ + +#ifdef __cplusplus +} +#endif + +#endif /* _DDIFM_H */ |