^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1) /* SPDX-License-Identifier: GPL-2.0 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3) * apei-internal.h - ACPI Platform Error Interface internal
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4) * definitions.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7) #ifndef APEI_INTERNAL_H
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 8) #define APEI_INTERNAL_H
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 9)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) #include <linux/cper.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) #include <linux/acpi.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) struct apei_exec_context;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) typedef int (*apei_exec_ins_func_t)(struct apei_exec_context *ctx,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) struct acpi_whea_header *entry);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) #define APEI_EXEC_INS_ACCESS_REGISTER 0x0001
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) struct apei_exec_ins_type {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) u32 flags;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) apei_exec_ins_func_t run;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) struct apei_exec_context {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) u32 ip;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) u64 value;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) u64 var1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) u64 var2;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) u64 src_base;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) u64 dst_base;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) struct apei_exec_ins_type *ins_table;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) u32 instructions;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) struct acpi_whea_header *action_table;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) u32 entries;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) void apei_exec_ctx_init(struct apei_exec_context *ctx,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) struct apei_exec_ins_type *ins_table,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) u32 instructions,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) struct acpi_whea_header *action_table,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) u32 entries);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) static inline void apei_exec_ctx_set_input(struct apei_exec_context *ctx,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) u64 input)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) ctx->value = input;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) static inline u64 apei_exec_ctx_get_output(struct apei_exec_context *ctx)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) return ctx->value;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) int __apei_exec_run(struct apei_exec_context *ctx, u8 action, bool optional);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) static inline int apei_exec_run(struct apei_exec_context *ctx, u8 action)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59) return __apei_exec_run(ctx, action, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62) /* It is optional whether the firmware provides the action */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63) static inline int apei_exec_run_optional(struct apei_exec_context *ctx, u8 action)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65) return __apei_exec_run(ctx, action, 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68) /* Common instruction implementation */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70) /* IP has been set in instruction function */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71) #define APEI_EXEC_SET_IP 1
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 72)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 73) int apei_map_generic_address(struct acpi_generic_address *reg);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 74)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 75) static inline void apei_unmap_generic_address(struct acpi_generic_address *reg)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 76) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 77) acpi_os_unmap_generic_address(reg);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 78) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 79)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 80) int apei_read(u64 *val, struct acpi_generic_address *reg);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 81) int apei_write(u64 val, struct acpi_generic_address *reg);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 82)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 83) int __apei_exec_read_register(struct acpi_whea_header *entry, u64 *val);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 84) int __apei_exec_write_register(struct acpi_whea_header *entry, u64 val);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 85) int apei_exec_read_register(struct apei_exec_context *ctx,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 86) struct acpi_whea_header *entry);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 87) int apei_exec_read_register_value(struct apei_exec_context *ctx,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 88) struct acpi_whea_header *entry);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 89) int apei_exec_write_register(struct apei_exec_context *ctx,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 90) struct acpi_whea_header *entry);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 91) int apei_exec_write_register_value(struct apei_exec_context *ctx,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 92) struct acpi_whea_header *entry);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 93) int apei_exec_noop(struct apei_exec_context *ctx,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 94) struct acpi_whea_header *entry);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 95) int apei_exec_pre_map_gars(struct apei_exec_context *ctx);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 96) int apei_exec_post_unmap_gars(struct apei_exec_context *ctx);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 97)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 98) struct apei_resources {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 99) struct list_head iomem;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100) struct list_head ioport;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103) static inline void apei_resources_init(struct apei_resources *resources)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105) INIT_LIST_HEAD(&resources->iomem);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106) INIT_LIST_HEAD(&resources->ioport);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109) void apei_resources_fini(struct apei_resources *resources);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110) int apei_resources_add(struct apei_resources *resources,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111) unsigned long start, unsigned long size,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112) bool iomem);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113) int apei_resources_sub(struct apei_resources *resources1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114) struct apei_resources *resources2);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115) int apei_resources_request(struct apei_resources *resources,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116) const char *desc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117) void apei_resources_release(struct apei_resources *resources);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118) int apei_exec_collect_resources(struct apei_exec_context *ctx,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119) struct apei_resources *resources);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121) struct dentry;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122) struct dentry *apei_get_debugfs_dir(void);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124) static inline u32 cper_estatus_len(struct acpi_hest_generic_status *estatus)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126) if (estatus->raw_data_length)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127) return estatus->raw_data_offset + \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128) estatus->raw_data_length;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129) else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130) return sizeof(*estatus) + estatus->data_length;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133) void cper_estatus_print(const char *pfx,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134) const struct acpi_hest_generic_status *estatus);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135) int cper_estatus_check_header(const struct acpi_hest_generic_status *estatus);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136) int cper_estatus_check(const struct acpi_hest_generic_status *estatus);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138) int apei_osc_setup(void);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 139) #endif
Orange Pi5 kernel
Deprecated Linux kernel 5.10.110 for OrangePi 5/5B/5+ boards
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