Make do_execve() take a const filename pointer
[linux-3.10.git] / arch / ia64 / kernel / mca_drv.h
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 <seto.hidetoshi@jp.fujitsu.com>
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 {
37         sal_log_processor_info_t        *info;
38         struct sal_cpuid_info           *id;
39         sal_processor_static_info_t     *regs;
40 } peidx_table_t;
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;
86         sal_log_section_hdr_t *hdr;
87 } slidx_list_t;
88
89 typedef struct slidx_table {
90         sal_log_record_header_t *header;
91         int n_sections;                 /* # of section headers */
92         struct list_head proc_err;
93         struct list_head mem_dev_err;
94         struct list_head sel_dev_err;
95         struct list_head pci_bus_err;
96         struct list_head smbios_dev_err;
97         struct list_head pci_comp_err;
98         struct list_head plat_specific_err;
99         struct list_head host_ctlr_err;
100         struct list_head plat_bus_err;
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
114 struct mca_table_entry {
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