xref: /openbmc/linux/drivers/scsi/qla2xxx/qla_edif.h (revision 430eef03)
1 /* SPDX-License-Identifier: GPL-2.0-only */
2 /*
3  * Marvell Fibre Channel HBA Driver
4  * Copyright (c)  2021    Marvell
5  */
6 #ifndef __QLA_EDIF_H
7 #define __QLA_EDIF_H
8 
9 struct qla_scsi_host;
10 #define EDIF_APP_ID 0x73730001
11 
12 #define EDIF_MAX_INDEX	2048
13 struct edif_sa_ctl {
14 	struct list_head next;
15 	uint16_t	del_index;
16 	uint16_t	index;
17 	uint16_t	slot;
18 	uint16_t	flags;
19 #define	EDIF_SA_CTL_FLG_REPL		BIT_0
20 #define	EDIF_SA_CTL_FLG_DEL		BIT_1
21 #define EDIF_SA_CTL_FLG_CLEANUP_DEL BIT_4
22 	// Invalidate Index bit and mirrors QLA_SA_UPDATE_FLAGS_DELETE
23 	unsigned long   state;
24 #define EDIF_SA_CTL_USED	1	/* Active Sa update  */
25 #define EDIF_SA_CTL_PEND	2	/* Waiting for slot */
26 #define EDIF_SA_CTL_REPL	3	/* Active Replace and Delete */
27 #define EDIF_SA_CTL_DEL		4	/* Delete Pending */
28 	struct fc_port	*fcport;
29 	struct bsg_job *bsg_job;
30 	struct qla_sa_update_frame sa_frame;
31 };
32 
33 enum enode_flags_t {
34 	ENODE_ACTIVE = 0x1,
35 };
36 
37 struct pur_core {
38 	enum enode_flags_t	enode_flags;
39 	spinlock_t		pur_lock;
40 	struct  list_head	head;
41 };
42 
43 enum db_flags_t {
44 	EDB_ACTIVE = BIT_0,
45 };
46 
47 #define DBELL_ACTIVE(_v) (_v->e_dbell.db_flags & EDB_ACTIVE)
48 #define DBELL_INACTIVE(_v) (!(_v->e_dbell.db_flags & EDB_ACTIVE))
49 
50 struct edif_dbell {
51 	enum db_flags_t		db_flags;
52 	spinlock_t		db_lock;
53 	struct  list_head	head;
54 	struct bsg_job *dbell_bsg_job;
55 	unsigned long bsg_expire;
56 };
57 
58 #define SA_UPDATE_IOCB_TYPE            0x71    /* Security Association Update IOCB entry */
59 struct sa_update_28xx {
60 	uint8_t entry_type;             /* Entry type. */
61 	uint8_t entry_count;            /* Entry count. */
62 	uint8_t sys_define;             /* System Defined. */
63 	uint8_t entry_status;           /* Entry Status. */
64 
65 	uint32_t handle;                /* IOCB System handle. */
66 
67 	union {
68 		__le16 nport_handle;  /* in: N_PORT handle. */
69 		__le16 comp_sts;              /* out: completion status */
70 #define CS_PORT_EDIF_UNAVAIL	0x28
71 #define CS_PORT_EDIF_LOGOUT	0x29
72 #define CS_PORT_EDIF_SUPP_NOT_RDY 0x64
73 #define CS_PORT_EDIF_INV_REQ      0x66
74 	} u;
75 	uint8_t vp_index;
76 	uint8_t reserved_1;
77 	uint8_t port_id[3];
78 	uint8_t flags;
79 #define SA_FLAG_INVALIDATE BIT_0
80 #define SA_FLAG_TX	   BIT_1 // 1=tx, 0=rx
81 
82 	uint8_t sa_key[32];     /* 256 bit key */
83 	__le32 salt;
84 	__le32 spi;
85 	uint8_t sa_control;
86 #define SA_CNTL_ENC_FCSP        (1 << 3)
87 #define SA_CNTL_ENC_OPD         (2 << 3)
88 #define SA_CNTL_ENC_MSK         (3 << 3)  // mask bits 4,3
89 #define SA_CNTL_AES_GMAC	(1 << 2)
90 #define SA_CNTL_KEY256          (2 << 0)
91 #define SA_CNTL_KEY128          0
92 
93 	uint8_t reserved_2;
94 	__le16 sa_index;   // reserve: bit 11-15
95 	__le16 old_sa_info;
96 	__le16 new_sa_info;
97 };
98 
99 #define        NUM_ENTRIES     256
100 #define        PUR_GET         1
101 
102 struct dinfo {
103 	int		nodecnt;
104 	int		lstate;
105 };
106 
107 struct pur_ninfo {
108 	port_id_t       pur_sid;
109 	port_id_t	pur_did;
110 	uint8_t		vp_idx;
111 	short           pur_bytes_rcvd;
112 	unsigned short  pur_nphdl;
113 	unsigned int    pur_rx_xchg_address;
114 };
115 
116 struct purexevent {
117 	struct  pur_ninfo	pur_info;
118 	unsigned char		*msgp;
119 	u32			msgp_len;
120 };
121 
122 #define	N_UNDEF		0
123 #define	N_PUREX		1
124 struct enode {
125 	struct list_head	list;
126 	struct dinfo		dinfo;
127 	uint32_t		ntype;
128 	union {
129 		struct purexevent	purexinfo;
130 	} u;
131 };
132 
133 #define RX_ELS_SIZE (roundup(sizeof(struct enode) + ELS_MAX_PAYLOAD, SMP_CACHE_BYTES))
134 
135 #define EDIF_SESSION_DOWN(_s) \
136 	(qla_ini_mode_enabled(_s->vha) && (_s->disc_state == DSC_DELETE_PEND || \
137 	 _s->disc_state == DSC_DELETED || \
138 	 !_s->edif.app_sess_online))
139 
140 #define EDIF_NEGOTIATION_PENDING(_fcport) \
141 	(DBELL_ACTIVE(_fcport->vha) && \
142 	 (_fcport->disc_state == DSC_LOGIN_AUTH_PEND))
143 
144 #define EDIF_SESS_DELETE(_s) \
145 	(qla_ini_mode_enabled(_s->vha) && (_s->disc_state == DSC_DELETE_PEND || \
146 	 _s->disc_state == DSC_DELETED))
147 
148 #define EDIF_CAP(_ha) (ql2xsecenable && IS_QLA28XX(_ha))
149 
150 #endif	/* __QLA_EDIF_H */
151