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Diffstat (limited to 'arch/ia64/sn/include/ioerror.h')
| -rw-r--r-- | arch/ia64/sn/include/ioerror.h | 81 |
1 files changed, 0 insertions, 81 deletions
diff --git a/arch/ia64/sn/include/ioerror.h b/arch/ia64/sn/include/ioerror.h deleted file mode 100644 index e68f2b0789a7..000000000000 --- a/arch/ia64/sn/include/ioerror.h +++ /dev/null @@ -1,81 +0,0 @@ -/* - * This file is subject to the terms and conditions of the GNU General Public - * License. See the file "COPYING" in the main directory of this archive - * for more details. - * - * Copyright (C) 1992 - 1997, 2000-2003 Silicon Graphics, Inc. All rights reserved. - */ -#ifndef _ASM_IA64_SN_IOERROR_H -#define _ASM_IA64_SN_IOERROR_H - -/* - * IO error structure. - * - * This structure would expand to hold the information retrieved from - * all IO related error registers. - * - * This structure is defined to hold all system specific - * information related to a single error. - * - * This serves a couple of purpose. - * - Error handling often involves translating one form of address to other - * form. So, instead of having different data structures at each level, - * we have a single structure, and the appropriate fields get filled in - * at each layer. - * - This provides a way to dump all error related information in any layer - * of erorr handling (debugging aid). - * - * A second possibility is to allow each layer to define its own error - * data structure, and fill in the proper fields. This has the advantage - * of isolating the layers. - * A big concern is the potential stack usage (and overflow), if each layer - * defines these structures on stack (assuming we don't want to do kmalloc. - * - * Any layer wishing to pass extra information to a layer next to it in - * error handling hierarchy, can do so as a separate parameter. - */ - -typedef struct io_error_s { - /* Bit fields indicating which structure fields are valid */ - union { - struct { - unsigned ievb_errortype:1; - unsigned ievb_widgetnum:1; - unsigned ievb_widgetdev:1; - unsigned ievb_srccpu:1; - unsigned ievb_srcnode:1; - unsigned ievb_errnode:1; - unsigned ievb_sysioaddr:1; - unsigned ievb_xtalkaddr:1; - unsigned ievb_busspace:1; - unsigned ievb_busaddr:1; - unsigned ievb_vaddr:1; - unsigned ievb_memaddr:1; - unsigned ievb_epc:1; - unsigned ievb_ef:1; - unsigned ievb_tnum:1; - } iev_b; - unsigned iev_a; - } ie_v; - - short ie_errortype; /* error type: extra info about error */ - short ie_widgetnum; /* Widget number that's in error */ - short ie_widgetdev; /* Device within widget in error */ - cpuid_t ie_srccpu; /* CPU on srcnode generating error */ - cnodeid_t ie_srcnode; /* Node which caused the error */ - cnodeid_t ie_errnode; /* Node where error was noticed */ - iopaddr_t ie_sysioaddr; /* Sys specific IO address */ - iopaddr_t ie_xtalkaddr; /* Xtalk (48bit) addr of Error */ - iopaddr_t ie_busspace; /* Bus specific address space */ - iopaddr_t ie_busaddr; /* Bus specific address */ - caddr_t ie_vaddr; /* Virtual address of error */ - iopaddr_t ie_memaddr; /* Physical memory address */ - caddr_t ie_epc; /* pc when error reported */ - caddr_t ie_ef; /* eframe when error reported */ - short ie_tnum; /* Xtalk TNUM field */ -} ioerror_t; - -#define IOERROR_INIT(e) do { (e)->ie_v.iev_a = 0; } while (0) -#define IOERROR_SETVALUE(e,f,v) do { (e)->ie_ ## f = (v); (e)->ie_v.iev_b.ievb_ ## f = 1; } while (0) - -#endif /* _ASM_IA64_SN_IOERROR_H */ |