xref: /aosp_15_r20/external/coreboot/src/drivers/ipmi/ipmi_ops.h (revision b9411a12aaaa7e1e6a6fb7c5e057f44ee179a49c)
1 /* SPDX-License-Identifier: GPL-2.0-only */
2 
3 #ifndef __IPMI_OPS_H
4 #define __IPMI_OPS_H
5 
6 #include <types.h>
7 #include "ipmi_if.h"
8 #define IPMI_BMC_RESET_WDG_TIMER 0x22
9 #define IPMI_BMC_SET_WDG_TIMER 0x24
10 #define IPMI_BMC_GET_WDG_TIMER 0x25
11 #define IPMI_BMC_GET_SYSTEM_GUID 0x37
12 
13 /* BMC watchdog timeout action */
14 enum ipmi_bmc_timeout_action_type {
15 	TIMEOUT_NO_ACTION = 0x00,
16 	TIMEOUT_HARD_RESET = 0x01,
17 	TIMEOUT_POWER_DOWN = 0x02,
18 	TIMEOUT_POWER_CYCLE = 0x03,
19 };
20 /* BMC Watchdog timer */
21 struct ipmi_wdt_req {
22 	uint8_t timer_use;
23 	uint8_t timer_actions;
24 	uint8_t pretimeout_interval;
25 	uint8_t timer_use_expiration_flags_clr;
26 	uint16_t initial_countdown_val;
27 } __packed;
28 
29 struct ipmi_wdt_rsp {
30 	struct ipmi_rsp resp;
31 	struct ipmi_wdt_req data;
32 	uint16_t present_countdown_val;
33 } __packed;
34 
35 struct ipmi_get_system_guid_rsp {
36 	struct ipmi_rsp resp;
37 	uint8_t data[16];
38 } __packed;
39 
40 struct ipmi_read_fru_data_req {
41 	uint8_t fru_device_id;
42 	uint16_t fru_offset;
43 	uint8_t count; /* count to read, 1-based. */
44 } __packed;
45 
46 struct ipmi_read_fru_data_rsp {
47 	struct ipmi_rsp resp;
48 	uint8_t count; /* count returned, 1-based. */
49 	uint8_t data[CONFIG_IPMI_FRU_SINGLE_RW_SZ];
50 } __packed;
51 
52 struct standard_spec_sel_rec {
53 	uint32_t timestamp;
54 	uint16_t gen_id;
55 	uint8_t evm_rev;
56 	uint8_t sensor_type;
57 	uint8_t sensor_num;
58 	uint8_t event_dir_type;
59 	uint8_t event_data[3];
60 } __packed;
61 
62 struct oem_ts_spec_sel_rec {
63 	uint32_t timestamp;
64 	uint8_t manf_id[3];
65 	uint8_t oem_defined[6];
66 } __packed;
67 
68 struct oem_nots_spec_sel_rec {
69 	uint8_t oem_defined[13];
70 } __packed;
71 
72 /* SEL Event Record */
73 struct sel_event_record {
74 	uint16_t record_id;
75 	uint8_t record_type;
76 	union{
77 		struct standard_spec_sel_rec standard_type;
78 		struct oem_ts_spec_sel_rec oem_ts_type;
79 		struct oem_nots_spec_sel_rec oem_nots_type;
80 	} sel_type;
81 } __packed;
82 
83 struct ipmi_add_sel_rsp {
84 	struct ipmi_rsp resp;
85 	uint16_t record_id;
86 } __packed;
87 
88 /* Platform Management FRU Information Storage Definition Spec. */
89 #define PRODUCT_MAN_TYPE_LEN_OFFSET 3
90 #define BOARD_MAN_TYPE_LEN_OFFSET 6
91 #define CHASSIS_TYPE_OFFSET 2
92 
93 struct ipmi_fru_common_hdr {
94 	uint8_t format_version;
95 	uint8_t internal_use_area_offset;
96 	uint8_t chassis_area_offset;
97 	uint8_t board_area_offset;
98 	uint8_t product_area_offset;
99 	uint8_t multirecord_area_offset;
100 	uint8_t pad;
101 	uint8_t checksum;
102 } __packed;
103 
104 /* The fru_xxx_info only declares the strings that may be added to SMBIOS. */
105 struct fru_product_info {
106 	char *manufacturer;
107 	char *product_name;
108 	char *product_partnumber;
109 	char *product_version;
110 	char *serial_number;
111 	char *asset_tag;
112 	char *fru_file_id;
113 	char **product_custom;
114 	size_t custom_count; /* Number of custom fields */
115 };
116 
117 struct fru_board_info {
118 	char *manufacturer;
119 	char *product_name;
120 	char *serial_number;
121 	char *part_number;
122 	char *fru_file_id;
123 	char **board_custom;
124 	size_t custom_count;
125 };
126 
127 struct fru_chassis_info {
128 	uint8_t chassis_type;
129 	char *chassis_partnumber;
130 	char *serial_number;
131 	char **chassis_custom;
132 	size_t custom_count;
133 };
134 
135 struct fru_info_str {
136 	struct fru_product_info prod_info;
137 	struct fru_board_info board_info;
138 	struct fru_chassis_info chassis_info;
139 };
140 
141 enum typecode {
142 	BINARY = 0,
143 	BCD_PLUS = 1,
144 	ASCII_6BIT = 2,
145 	ASCII_8BIT = 3,
146 };
147 
148 enum fru_area {
149 	INTERNAL_USE_AREA = 0,
150 	CHASSIS_INFO_AREA = 1,
151 	BOARD_INFO_AREA = 2,
152 	PRODUCT_INFO_AREA = 3,
153 	MULTIRECORD_INFO_AREA = 4,
154 };
155 /*
156  * Initialize and start BMC FRB2 watchdog timer with the
157  * provided timer countdown and action values.
158  * Returns CB_SUCCESS on success and CB_ERR if an error occurred
159  */
160 enum cb_err ipmi_init_and_start_bmc_wdt(const int port, uint16_t countdown,
161 				uint8_t action);
162 /* Returns CB_SUCCESS on success and CB_ERR if an error occurred */
163 enum cb_err ipmi_stop_bmc_wdt(const int port);
164 
165 /* IPMI get BMC system GUID and store it to parameter uuid.
166  * Returns CB_SUCCESS on success and CB_ERR if an error occurred */
167 enum cb_err ipmi_get_system_guid(const int port, uint8_t *uuid);
168 
169 /* Read all FRU inventory areas string data into fru_info_str with
170  * the same FRU device id. */
171 void read_fru_areas(const int port, uint8_t id, uint16_t offset,
172 			struct fru_info_str *fru_info_str);
173 
174 /* Read a particular FRU inventory area into fru_info_str. */
175 void read_fru_one_area(const int port, uint8_t id, uint16_t offset,
176 		struct fru_info_str *fru_info_str, enum fru_area fru_area);
177 
178 /* Add a SEL record entry, returns CB_SUCCESS on success and CB_ERR
179  * if an error occurred */
180 enum cb_err ipmi_add_sel(const int port, struct sel_event_record *sel);
181 
182 /* Print all IPMI read FRU data */
183 void print_fru_areas(struct fru_info_str *fru_info_str);
184 #endif
185