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mca_drv.h
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1 /*
2  * File: mca_drv.h
3  * Purpose: Define helpers for Generic MCA handling
4  *
5  * Copyright (C) 2004 FUJITSU LIMITED
6  * Copyright (C) 2004 Hidetoshi Seto <[email protected]>
7  */
8 /*
9  * Processor error section:
10  *
11  * +-sal_log_processor_info_t *info-------------+
12  * | sal_log_section_hdr_t header; |
13  * | ... |
14  * | sal_log_mod_error_info_t info[0]; |
15  * +-+----------------+-------------------------+
16  * | CACHE_CHECK | ^ num_cache_check v
17  * +----------------+
18  * | TLB_CHECK | ^ num_tlb_check v
19  * +----------------+
20  * | BUS_CHECK | ^ num_bus_check v
21  * +----------------+
22  * | REG_FILE_CHECK | ^ num_reg_file_check v
23  * +----------------+
24  * | MS_CHECK | ^ num_ms_check v
25  * +-struct cpuid_info *id----------------------+
26  * | regs[5]; |
27  * | reserved; |
28  * +-sal_processor_static_info_t *regs----------+
29  * | valid; |
30  * | ... |
31  * | fr[128]; |
32  * +--------------------------------------------+
33  */
34 
35 /* peidx: index of processor error section */
36 typedef struct peidx_table {
38  struct sal_cpuid_info *id;
41 
42 #define peidx_head(p) (((p)->info))
43 #define peidx_mid(p) (((p)->id))
44 #define peidx_bottom(p) (((p)->regs))
45 
46 #define peidx_psp(p) (&(peidx_head(p)->proc_state_parameter))
47 #define peidx_field_valid(p) (&(peidx_head(p)->valid))
48 #define peidx_minstate_area(p) (&(peidx_bottom(p)->min_state_area))
49 
50 #define peidx_cache_check_num(p) (peidx_head(p)->valid.num_cache_check)
51 #define peidx_tlb_check_num(p) (peidx_head(p)->valid.num_tlb_check)
52 #define peidx_bus_check_num(p) (peidx_head(p)->valid.num_bus_check)
53 #define peidx_reg_file_check_num(p) (peidx_head(p)->valid.num_reg_file_check)
54 #define peidx_ms_check_num(p) (peidx_head(p)->valid.num_ms_check)
55 
56 #define peidx_cache_check_idx(p, n) (n)
57 #define peidx_tlb_check_idx(p, n) (peidx_cache_check_idx(p, peidx_cache_check_num(p)) + n)
58 #define peidx_bus_check_idx(p, n) (peidx_tlb_check_idx(p, peidx_tlb_check_num(p)) + n)
59 #define peidx_reg_file_check_idx(p, n) (peidx_bus_check_idx(p, peidx_bus_check_num(p)) + n)
60 #define peidx_ms_check_idx(p, n) (peidx_reg_file_check_idx(p, peidx_reg_file_check_num(p)) + n)
61 
62 #define peidx_mod_error_info(p, name, n) \
63 ({ int __idx = peidx_##name##_idx(p, n); \
64  sal_log_mod_error_info_t *__ret = NULL; \
65  if (peidx_##name##_num(p) > n) /*BUG*/ \
66  __ret = &(peidx_head(p)->info[__idx]); \
67  __ret; })
68 
69 #define peidx_cache_check(p, n) peidx_mod_error_info(p, cache_check, n)
70 #define peidx_tlb_check(p, n) peidx_mod_error_info(p, tlb_check, n)
71 #define peidx_bus_check(p, n) peidx_mod_error_info(p, bus_check, n)
72 #define peidx_reg_file_check(p, n) peidx_mod_error_info(p, reg_file_check, n)
73 #define peidx_ms_check(p, n) peidx_mod_error_info(p, ms_check, n)
74 
75 #define peidx_check_info(proc, name, n) \
76 ({ \
77  sal_log_mod_error_info_t *__info = peidx_mod_error_info(proc, name, n);\
78  u64 __temp = __info && __info->valid.check_info \
79  ? __info->check_info : 0; \
80  __temp; })
81 
82 /* slidx: index of SAL log error record */
83 
84 typedef struct slidx_list {
85  struct list_head list;
87 } slidx_list_t;
88 
89 typedef struct slidx_table {
91  int n_sections; /* # of section headers */
101  struct list_head unsupported; /* list of unsupported sections */
102 } slidx_table_t;
103 
104 #define slidx_foreach_entry(pos, head) \
105  list_for_each_entry(pos, head, list)
106 #define slidx_first_entry(head) \
107  (((head)->next != (head)) ? list_entry((head)->next, typeof(slidx_list_t), list) : NULL)
108 #define slidx_count(slidx, sec) \
109 ({ int __count = 0; \
110  slidx_list_t *__pos; \
111  slidx_foreach_entry(__pos, &((slidx)->sec)) { __count++; }\
112  __count; })
113 
115  int start_addr; /* location-relative starting address of MCA recoverable range */
116  int end_addr; /* location-relative ending address of MCA recoverable range */
117 };
118 
119 extern const struct mca_table_entry *search_mca_tables (unsigned long addr);
120 extern int mca_recover_range(unsigned long);
121 extern void ia64_mlogbuf_dump(void);
122