arch/alpha/kernel/err_impl.h

   1 /*
   2  *      linux/arch/alpha/kernel/err_impl.h
   3  *
   4  *      Copyright (C) 2000 Jeff Wiedemeier (Compaq Computer Corporation)
   5  *
   6  *      Contains declarations and macros to support Alpha error handling
   7  *      implementations.
   8  */
   9
  10 /*
  11  * SCB Vector definitions
  12  */
  13 #define SCB_Q_SYSERR    0x620
  14 #define SCB_Q_PROCERR   0x630
  15 #define SCB_Q_SYSMCHK   0x660
  16 #define SCB_Q_PROCMCHK  0x670
  17 #define SCB_Q_SYSEVENT  0x680
  18
  19 /*
  20  * Disposition definitions for logout frame parser
  21  */
  22 #define MCHK_DISPOSITION_UNKNOWN_ERROR          0x00
  23 #define MCHK_DISPOSITION_REPORT                 0x01
  24 #define MCHK_DISPOSITION_DISMISS                0x02
  25
  26 /*
  27  * Error Log definitions
  28  */
  29 /*
  30  * Types
  31  */
  32
  33 #define EL_CLASS__TERMINATION           (0)
  34 #  define EL_TYPE__TERMINATION__TERMINATION             (0)
  35 #define EL_CLASS__HEADER                (5)
  36 #  define EL_TYPE__HEADER__SYSTEM_ERROR_FRAME           (1)
  37 #  define EL_TYPE__HEADER__SYSTEM_EVENT_FRAME           (2)
  38 #  define EL_TYPE__HEADER__HALT_FRAME                   (3)
  39 #  define EL_TYPE__HEADER__LOGOUT_FRAME                 (19)
  40 #define EL_CLASS__GENERAL_NOTIFICATION  (9)
  41 #define EL_CLASS__PCI_ERROR_FRAME       (11)
  42 #define EL_CLASS__REGATTA_FAMILY        (12)
  43 #  define EL_TYPE__REGATTA__PROCESSOR_ERROR_FRAME       (1)
  44 #  define EL_TYPE__REGATTA__SYSTEM_ERROR_FRAME          (2)
  45 #  define EL_TYPE__REGATTA__ENVIRONMENTAL_FRAME         (3)
  46 #  define EL_TYPE__REGATTA__TITAN_PCHIP0_EXTENDED       (8)
  47 #  define EL_TYPE__REGATTA__TITAN_PCHIP1_EXTENDED       (9)
  48 #  define EL_TYPE__REGATTA__TITAN_MEMORY_EXTENDED       (10)
  49 #  define EL_TYPE__REGATTA__PROCESSOR_DBL_ERROR_HALT    (11)
  50 #  define EL_TYPE__REGATTA__SYSTEM_DBL_ERROR_HALT       (12)
  51 #define EL_CLASS__PAL                   (14)
  52 #  define EL_TYPE__PAL__LOGOUT_FRAME                    (1)
  53 #  define EL_TYPE__PAL__EV7_PROCESSOR                   (4)
  54 #  define EL_TYPE__PAL__EV7_ZBOX                        (5)
  55 #  define EL_TYPE__PAL__EV7_RBOX                        (6)
  56 #  define EL_TYPE__PAL__EV7_IO                          (7)
  57
  58 union el_timestamp {
  59         struct {
  60                 u8 second;
  61                 u8 minute;
  62                 u8 hour;
  63                 u8 day;
  64                 u8 month;
  65                 u8 year;
  66         } b;
  67         u64 as_int;
  68 };
  69
  70 struct el_subpacket {
  71         u16 length;             /* length of header (in bytes)  */
  72         u16 class;              /* header class and type...     */
  73         u16 type;               /* ...determine content         */
  74         u16 revision;           /* header revision              */
  75         union {
  76                 struct {        /* Class 5, Type 1 - System Error       */
  77                         u32 frame_length;
  78                         u32 frame_packet_count;
  79                 } sys_err;
  80                 struct {        /* Class 5, Type 2 - System Event       */
  81                         union el_timestamp timestamp;
  82                         u32 frame_length;
  83                         u32 frame_packet_count;
  84                 } sys_event;
  85                 struct {        /* Class 5, Type 3 - Double Error Halt  */
  86                         u16 halt_code;
  87                         u16 reserved;
  88                         union el_timestamp timestamp;
  89                         u32 frame_length;
  90                         u32 frame_packet_count;
  91                 } err_halt;
  92                 struct {        /* Clasee 5, Type 19 - Logout Frame Header */
  93                         u32 frame_length;
  94                         u32 frame_flags;
  95                         u32 cpu_offset;
  96                         u32 system_offset;
  97                 } logout_header;
  98                 struct {        /* Class 12 - Regatta                   */
  99                         u64 cpuid;
 100                         u64 data_start[1];
 101                 } regatta_frame;
 102                 struct {        /* Raw                                  */
 103                         u64 data_start[1];
 104                 } raw;
 105         } by_type;
 106 };
 107
 108 struct el_subpacket_annotation {
 109         struct el_subpacket_annotation *next;
 110         u16 class;
 111         u16 type;
 112         u16 revision;
 113         char *description;
 114         char **annotation;
 115 };
 116 #define SUBPACKET_ANNOTATION(c, t, r, d, a) {NULL, (c), (t), (r), (d), (a)}
 117
 118 struct el_subpacket_handler {
 119         struct el_subpacket_handler *next;
 120         u16 class;
 121         struct el_subpacket *(*handler)(struct el_subpacket *);
 122 };
 123 #define SUBPACKET_HANDLER_INIT(c, h) {NULL, (c), (h)}
 124
 125 /*
 126  * Extract a field from a register given it's name. defines
 127  * for the LSB (__S - shift count) and bitmask (__M) are required
 128  */
 129 #define EXTRACT(u, f) (((u) >> f##__S) & f##__M)
 130
 131 /*
 132  * err_common.c
 133  */
 134 extern char *err_print_prefix;
 135
 136 extern void mchk_dump_mem(void *, size_t, char **);
 137 extern void mchk_dump_logout_frame(struct el_common *);
 138 extern void ev7_register_error_handlers(void);
 139 extern void ev7_machine_check(u64, u64, struct pt_regs *);
 140 extern void ev6_register_error_handlers(void);
 141 extern int ev6_process_logout_frame(struct el_common *, int);
 142 extern void ev6_machine_check(u64, u64, struct pt_regs *);
 143 extern struct el_subpacket *el_process_subpacket(struct el_subpacket *);
 144 extern void el_annotate_subpacket(struct el_subpacket *);
 145 extern void cdl_check_console_data_log(void);
 146 extern int cdl_register_subpacket_annotation(struct el_subpacket_annotation *);
 147 extern int cdl_register_subpacket_handler(struct el_subpacket_handler *);
 148
 149 /*
 150  * err_marvel.c
 151  */
 152 extern void marvel_machine_check(u64, u64, struct pt_regs *);
 153 extern void marvel_register_error_handlers(void);
 154
 155 /*
 156  * err_titan.c
 157  */
 158 extern int titan_process_logout_frame(struct el_common *, int);
 159 extern void titan_machine_check(u64, u64, struct pt_regs *);
 160 extern void titan_register_error_handlers(void);
 161 extern int privateer_process_logout_frame(struct el_common *, int);
 162 extern void privateer_machine_check(u64, u64, struct pt_regs *);