xref: /linux/drivers/net/ethernet/meta/fbnic/fbnic_fw.h (revision c532de5a67a70f8533d495f8f2aaa9a0491c3ad0)
1 /* SPDX-License-Identifier: GPL-2.0 */
2 /* Copyright (c) Meta Platforms, Inc. and affiliates. */
3 
4 #ifndef _FBNIC_FW_H_
5 #define _FBNIC_FW_H_
6 
7 #include <linux/if_ether.h>
8 #include <linux/types.h>
9 
10 struct fbnic_dev;
11 struct fbnic_tlv_msg;
12 
13 struct fbnic_fw_mbx {
14 	u8 ready, head, tail;
15 	struct {
16 		struct fbnic_tlv_msg	*msg;
17 		dma_addr_t		addr;
18 	} buf_info[FBNIC_IPC_MBX_DESC_LEN];
19 };
20 
21 // FW_VER_MAX_SIZE must match ETHTOOL_FWVERS_LEN
22 #define FBNIC_FW_VER_MAX_SIZE	                32
23 // Formatted version is in the format XX.YY.ZZ_RRR_COMMIT
24 #define FBNIC_FW_CAP_RESP_COMMIT_MAX_SIZE	(FBNIC_FW_VER_MAX_SIZE - 13)
25 #define FBNIC_FW_LOG_MAX_SIZE	                256
26 
27 struct fbnic_fw_ver {
28 	u32 version;
29 	char commit[FBNIC_FW_CAP_RESP_COMMIT_MAX_SIZE];
30 };
31 
32 struct fbnic_fw_cap {
33 	struct {
34 		struct fbnic_fw_ver mgmt, bootloader;
35 	} running;
36 	struct {
37 		struct fbnic_fw_ver mgmt, bootloader, undi;
38 	} stored;
39 	u8	active_slot;
40 	u8	bmc_mac_addr[4][ETH_ALEN];
41 	u8	bmc_present	: 1;
42 	u8	all_multi	: 1;
43 	u8	link_speed;
44 	u8	link_fec;
45 };
46 
47 void fbnic_mbx_init(struct fbnic_dev *fbd);
48 void fbnic_mbx_clean(struct fbnic_dev *fbd);
49 void fbnic_mbx_poll(struct fbnic_dev *fbd);
50 int fbnic_mbx_poll_tx_ready(struct fbnic_dev *fbd);
51 void fbnic_mbx_flush_tx(struct fbnic_dev *fbd);
52 int fbnic_fw_xmit_ownership_msg(struct fbnic_dev *fbd, bool take_ownership);
53 int fbnic_fw_init_heartbeat(struct fbnic_dev *fbd, bool poll);
54 void fbnic_fw_check_heartbeat(struct fbnic_dev *fbd);
55 
56 #define fbnic_mk_full_fw_ver_str(_rev_id, _delim, _commit, _str, _str_sz) \
57 do {									\
58 	const u32 __rev_id = _rev_id;					\
59 	snprintf(_str, _str_sz, "%02lu.%02lu.%02lu-%03lu%s%s",	\
60 		 FIELD_GET(FBNIC_FW_CAP_RESP_VERSION_MAJOR, __rev_id),	\
61 		 FIELD_GET(FBNIC_FW_CAP_RESP_VERSION_MINOR, __rev_id),	\
62 		 FIELD_GET(FBNIC_FW_CAP_RESP_VERSION_PATCH, __rev_id),	\
63 		 FIELD_GET(FBNIC_FW_CAP_RESP_VERSION_BUILD, __rev_id),	\
64 		 _delim, _commit);					\
65 } while (0)
66 
67 #define fbnic_mk_fw_ver_str(_rev_id, _str) \
68 	fbnic_mk_full_fw_ver_str(_rev_id, "", "", _str, sizeof(_str))
69 
70 #define FW_HEARTBEAT_PERIOD		(10 * HZ)
71 
72 enum {
73 	FBNIC_TLV_MSG_ID_HOST_CAP_REQ			= 0x10,
74 	FBNIC_TLV_MSG_ID_FW_CAP_RESP			= 0x11,
75 	FBNIC_TLV_MSG_ID_OWNERSHIP_REQ			= 0x12,
76 	FBNIC_TLV_MSG_ID_OWNERSHIP_RESP			= 0x13,
77 	FBNIC_TLV_MSG_ID_HEARTBEAT_REQ			= 0x14,
78 	FBNIC_TLV_MSG_ID_HEARTBEAT_RESP			= 0x15,
79 };
80 
81 #define FBNIC_FW_CAP_RESP_VERSION_MAJOR		CSR_GENMASK(31, 24)
82 #define FBNIC_FW_CAP_RESP_VERSION_MINOR		CSR_GENMASK(23, 16)
83 #define FBNIC_FW_CAP_RESP_VERSION_PATCH		CSR_GENMASK(15, 8)
84 #define FBNIC_FW_CAP_RESP_VERSION_BUILD		CSR_GENMASK(7, 0)
85 enum {
86 	FBNIC_FW_CAP_RESP_VERSION			= 0x0,
87 	FBNIC_FW_CAP_RESP_BMC_PRESENT			= 0x1,
88 	FBNIC_FW_CAP_RESP_BMC_MAC_ADDR			= 0x2,
89 	FBNIC_FW_CAP_RESP_BMC_MAC_ARRAY			= 0x3,
90 	FBNIC_FW_CAP_RESP_STORED_VERSION		= 0x4,
91 	FBNIC_FW_CAP_RESP_ACTIVE_FW_SLOT		= 0x5,
92 	FBNIC_FW_CAP_RESP_VERSION_COMMIT_STR		= 0x6,
93 	FBNIC_FW_CAP_RESP_BMC_ALL_MULTI			= 0x8,
94 	FBNIC_FW_CAP_RESP_FW_STATE			= 0x9,
95 	FBNIC_FW_CAP_RESP_FW_LINK_SPEED			= 0xa,
96 	FBNIC_FW_CAP_RESP_FW_LINK_FEC			= 0xb,
97 	FBNIC_FW_CAP_RESP_STORED_COMMIT_STR		= 0xc,
98 	FBNIC_FW_CAP_RESP_CMRT_VERSION			= 0xd,
99 	FBNIC_FW_CAP_RESP_STORED_CMRT_VERSION		= 0xe,
100 	FBNIC_FW_CAP_RESP_CMRT_COMMIT_STR		= 0xf,
101 	FBNIC_FW_CAP_RESP_STORED_CMRT_COMMIT_STR	= 0x10,
102 	FBNIC_FW_CAP_RESP_UEFI_VERSION			= 0x11,
103 	FBNIC_FW_CAP_RESP_UEFI_COMMIT_STR		= 0x12,
104 	FBNIC_FW_CAP_RESP_MSG_MAX
105 };
106 
107 enum {
108 	FBNIC_FW_LINK_SPEED_25R1		= 1,
109 	FBNIC_FW_LINK_SPEED_50R2		= 2,
110 	FBNIC_FW_LINK_SPEED_50R1		= 3,
111 	FBNIC_FW_LINK_SPEED_100R2		= 4,
112 };
113 
114 enum {
115 	FBNIC_FW_LINK_FEC_NONE			= 1,
116 	FBNIC_FW_LINK_FEC_RS			= 2,
117 	FBNIC_FW_LINK_FEC_BASER			= 3,
118 };
119 
120 enum {
121 	FBNIC_FW_OWNERSHIP_FLAG			= 0x0,
122 	FBNIC_FW_OWNERSHIP_MSG_MAX
123 };
124 #endif /* _FBNIC_FW_H_ */
125