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); 122 123