1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
|
/* SPDX-License-Identifier: GPL-2.0 */
#ifndef S390_ISM_H
#define S390_ISM_H
#include <linux/spinlock.h>
#include <linux/types.h>
#include <linux/pci.h>
#include <linux/ism.h>
#include <net/smc.h>
#include <asm/pci_insn.h>
#define UTIL_STR_LEN 16
/*
* Do not use the first word of the DMB bits to ensure 8 byte aligned access.
*/
#define ISM_DMB_WORD_OFFSET 1
#define ISM_DMB_BIT_OFFSET (ISM_DMB_WORD_OFFSET * 32)
#define ISM_IDENT_MASK 0x00FFFF
#define ISM_REG_SBA 0x1
#define ISM_REG_IEQ 0x2
#define ISM_READ_GID 0x3
#define ISM_ADD_VLAN_ID 0x4
#define ISM_DEL_VLAN_ID 0x5
#define ISM_SET_VLAN 0x6
#define ISM_RESET_VLAN 0x7
#define ISM_QUERY_INFO 0x8
#define ISM_QUERY_RGID 0x9
#define ISM_REG_DMB 0xA
#define ISM_UNREG_DMB 0xB
#define ISM_SIGNAL_IEQ 0xE
#define ISM_UNREG_SBA 0x11
#define ISM_UNREG_IEQ 0x12
struct ism_req_hdr {
u32 cmd;
u16 : 16;
u16 len;
};
struct ism_resp_hdr {
u32 cmd;
u16 ret;
u16 len;
};
union ism_reg_sba {
struct {
struct ism_req_hdr hdr;
u64 sba;
} request;
struct {
struct ism_resp_hdr hdr;
} response;
} __aligned(16);
union ism_reg_ieq {
struct {
struct ism_req_hdr hdr;
u64 ieq;
u64 len;
} request;
struct {
struct ism_resp_hdr hdr;
} response;
} __aligned(16);
union ism_read_gid {
struct {
struct ism_req_hdr hdr;
} request;
struct {
struct ism_resp_hdr hdr;
u64 gid;
} response;
} __aligned(16);
union ism_qi {
struct {
struct ism_req_hdr hdr;
} request;
struct {
struct ism_resp_hdr hdr;
u32 version;
u32 max_len;
u64 ism_state;
u64 my_gid;
u64 sba;
u64 ieq;
u32 ieq_len;
u32 : 32;
u32 dmbs_owned;
u32 dmbs_used;
u32 vlan_required;
u32 vlan_nr_ids;
u16 vlan_id[64];
} response;
} __aligned(64);
union ism_query_rgid {
struct {
struct ism_req_hdr hdr;
u64 rgid;
u32 vlan_valid;
u32 vlan_id;
} request;
struct {
struct ism_resp_hdr hdr;
} response;
} __aligned(16);
union ism_reg_dmb {
struct {
struct ism_req_hdr hdr;
u64 dmb;
u32 dmb_len;
u32 sba_idx;
u32 vlan_valid;
u32 vlan_id;
u64 rgid;
} request;
struct {
struct ism_resp_hdr hdr;
u64 dmb_tok;
} response;
} __aligned(32);
union ism_sig_ieq {
struct {
struct ism_req_hdr hdr;
u64 rgid;
u32 trigger_irq;
u32 event_code;
u64 info;
} request;
struct {
struct ism_resp_hdr hdr;
} response;
} __aligned(32);
union ism_unreg_dmb {
struct {
struct ism_req_hdr hdr;
u64 dmb_tok;
} request;
struct {
struct ism_resp_hdr hdr;
} response;
} __aligned(16);
union ism_cmd_simple {
struct {
struct ism_req_hdr hdr;
} request;
struct {
struct ism_resp_hdr hdr;
} response;
} __aligned(8);
union ism_set_vlan_id {
struct {
struct ism_req_hdr hdr;
u64 vlan_id;
} request;
struct {
struct ism_resp_hdr hdr;
} response;
} __aligned(16);
struct ism_eq_header {
u64 idx;
u64 ieq_len;
u64 entry_len;
u64 : 64;
};
struct ism_eq {
struct ism_eq_header header;
struct ism_event entry[15];
};
struct ism_sba {
u32 s : 1; /* summary bit */
u32 e : 1; /* event bit */
u32 : 30;
u32 dmb_bits[ISM_NR_DMBS / 32];
u32 reserved[3];
u16 dmbe_mask[ISM_NR_DMBS];
};
#define ISM_CREATE_REQ(dmb, idx, sf, offset) \
((dmb) | (idx) << 24 | (sf) << 23 | (offset))
struct ism_systemeid {
u8 seid_string[24];
u8 serial_number[4];
u8 type[4];
};
static inline void __ism_read_cmd(struct ism_dev *ism, void *data,
unsigned long offset, unsigned long len)
{
struct zpci_dev *zdev = to_zpci(ism->pdev);
u64 req = ZPCI_CREATE_REQ(zdev->fh, 2, 8);
while (len > 0) {
__zpci_load(data, req, offset);
offset += 8;
data += 8;
len -= 8;
}
}
static inline void __ism_write_cmd(struct ism_dev *ism, void *data,
unsigned long offset, unsigned long len)
{
struct zpci_dev *zdev = to_zpci(ism->pdev);
u64 req = ZPCI_CREATE_REQ(zdev->fh, 2, len);
if (len)
__zpci_store_block(data, req, offset);
}
static inline int __ism_move(struct ism_dev *ism, u64 dmb_req, void *data,
unsigned int size)
{
struct zpci_dev *zdev = to_zpci(ism->pdev);
u64 req = ZPCI_CREATE_REQ(zdev->fh, 0, size);
return __zpci_store_block(data, req, dmb_req);
}
#endif /* S390_ISM_H */
|
