xref: /linux/drivers/net/ethernet/intel/ice/ice_fwlog.h (revision 4b660dbd9ee2059850fd30e0df420ca7a38a1856)
1 /* SPDX-License-Identifier: GPL-2.0 */
2 /* Copyright (C) 2022, Intel Corporation. */
3 
4 #ifndef _ICE_FWLOG_H_
5 #define _ICE_FWLOG_H_
6 #include "ice_adminq_cmd.h"
7 
8 struct ice_hw;
9 
10 /* Only a single log level should be set and all log levels under the set value
11  * are enabled, e.g. if log level is set to ICE_FW_LOG_LEVEL_VERBOSE, then all
12  * other log levels are included (except ICE_FW_LOG_LEVEL_NONE)
13  */
14 enum ice_fwlog_level {
15 	ICE_FWLOG_LEVEL_NONE = 0,
16 	ICE_FWLOG_LEVEL_ERROR = 1,
17 	ICE_FWLOG_LEVEL_WARNING = 2,
18 	ICE_FWLOG_LEVEL_NORMAL = 3,
19 	ICE_FWLOG_LEVEL_VERBOSE = 4,
20 	ICE_FWLOG_LEVEL_INVALID, /* all values >= this entry are invalid */
21 };
22 
23 struct ice_fwlog_module_entry {
24 	/* module ID for the corresponding firmware logging event */
25 	u16 module_id;
26 	/* verbosity level for the module_id */
27 	u8 log_level;
28 };
29 
30 struct ice_fwlog_cfg {
31 	/* list of modules for configuring log level */
32 	struct ice_fwlog_module_entry module_entries[ICE_AQC_FW_LOG_ID_MAX];
33 	/* options used to configure firmware logging */
34 	u16 options;
35 #define ICE_FWLOG_OPTION_ARQ_ENA		BIT(0)
36 #define ICE_FWLOG_OPTION_UART_ENA		BIT(1)
37 	/* set before calling ice_fwlog_init() so the PF registers for firmware
38 	 * logging on initialization
39 	 */
40 #define ICE_FWLOG_OPTION_REGISTER_ON_INIT	BIT(2)
41 	/* set in the ice_fwlog_get() response if the PF is registered for FW
42 	 * logging events over ARQ
43 	 */
44 #define ICE_FWLOG_OPTION_IS_REGISTERED		BIT(3)
45 
46 	/* minimum number of log events sent per Admin Receive Queue event */
47 	u16 log_resolution;
48 };
49 
50 struct ice_fwlog_data {
51 	u16 data_size;
52 	u8 *data;
53 };
54 
55 struct ice_fwlog_ring {
56 	struct ice_fwlog_data *rings;
57 	u16 index;
58 	u16 size;
59 	u16 head;
60 	u16 tail;
61 };
62 
63 #define ICE_FWLOG_RING_SIZE_INDEX_DFLT 3
64 #define ICE_FWLOG_RING_SIZE_DFLT 256
65 #define ICE_FWLOG_RING_SIZE_MAX 512
66 
67 bool ice_fwlog_ring_full(struct ice_fwlog_ring *rings);
68 bool ice_fwlog_ring_empty(struct ice_fwlog_ring *rings);
69 void ice_fwlog_ring_increment(u16 *item, u16 size);
70 void ice_fwlog_set_supported(struct ice_hw *hw);
71 bool ice_fwlog_supported(struct ice_hw *hw);
72 int ice_fwlog_init(struct ice_hw *hw);
73 void ice_fwlog_deinit(struct ice_hw *hw);
74 int ice_fwlog_set(struct ice_hw *hw, struct ice_fwlog_cfg *cfg);
75 int ice_fwlog_get(struct ice_hw *hw, struct ice_fwlog_cfg *cfg);
76 int ice_fwlog_register(struct ice_hw *hw);
77 int ice_fwlog_unregister(struct ice_hw *hw);
78 void ice_fwlog_realloc_rings(struct ice_hw *hw, int index);
79 #endif /* _ICE_FWLOG_H_ */
80