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1/* SPDX-License-Identifier: GPL-2.0 */
2/*
3 * s390 diagnose functions
4 *
5 * Copyright IBM Corp. 2007
6 * Author(s): Michael Holzheu <holzheu@de.ibm.com>
7 */
8
9#ifndef _ASM_S390_DIAG_H
10#define _ASM_S390_DIAG_H
11
12#include <linux/if_ether.h>
13#include <linux/percpu.h>
14
15enum diag_stat_enum {
16 DIAG_STAT_X008,
17 DIAG_STAT_X00C,
18 DIAG_STAT_X010,
19 DIAG_STAT_X014,
20 DIAG_STAT_X044,
21 DIAG_STAT_X064,
22 DIAG_STAT_X09C,
23 DIAG_STAT_X0DC,
24 DIAG_STAT_X204,
25 DIAG_STAT_X210,
26 DIAG_STAT_X224,
27 DIAG_STAT_X250,
28 DIAG_STAT_X258,
29 DIAG_STAT_X26C,
30 DIAG_STAT_X288,
31 DIAG_STAT_X2C4,
32 DIAG_STAT_X2FC,
33 DIAG_STAT_X304,
34 DIAG_STAT_X308,
35 DIAG_STAT_X500,
36 NR_DIAG_STAT
37};
38
39void diag_stat_inc(enum diag_stat_enum nr);
40void diag_stat_inc_norecursion(enum diag_stat_enum nr);
41
42/*
43 * Diagnose 10: Release page range
44 */
45static inline void diag10_range(unsigned long start_pfn, unsigned long num_pfn)
46{
47 unsigned long start_addr, end_addr;
48
49 start_addr = start_pfn << PAGE_SHIFT;
50 end_addr = (start_pfn + num_pfn - 1) << PAGE_SHIFT;
51
52 diag_stat_inc(DIAG_STAT_X010);
53 asm volatile(
54 "0: diag %0,%1,0x10\n"
55 "1: nopr %%r7\n"
56 EX_TABLE(0b, 1b)
57 EX_TABLE(1b, 1b)
58 : : "a" (start_addr), "a" (end_addr));
59}
60
61/*
62 * Diagnose 14: Input spool file manipulation
63 */
64extern int diag14(unsigned long rx, unsigned long ry1, unsigned long subcode);
65
66/*
67 * Diagnose 210: Get information about a virtual device
68 */
69struct diag210 {
70 u16 vrdcdvno; /* device number (input) */
71 u16 vrdclen; /* data block length (input) */
72 u8 vrdcvcla; /* virtual device class (output) */
73 u8 vrdcvtyp; /* virtual device type (output) */
74 u8 vrdcvsta; /* virtual device status (output) */
75 u8 vrdcvfla; /* virtual device flags (output) */
76 u8 vrdcrccl; /* real device class (output) */
77 u8 vrdccrty; /* real device type (output) */
78 u8 vrdccrmd; /* real device model (output) */
79 u8 vrdccrft; /* real device feature (output) */
80} __attribute__((packed, aligned(4)));
81
82extern int diag210(struct diag210 *addr);
83
84/* bit is set in flags, when physical cpu info is included in diag 204 data */
85#define DIAG204_LPAR_PHYS_FLG 0x80
86#define DIAG204_LPAR_NAME_LEN 8 /* lpar name len in diag 204 data */
87#define DIAG204_CPU_NAME_LEN 16 /* type name len of cpus in diag224 name table */
88
89/* diag 204 subcodes */
90enum diag204_sc {
91 DIAG204_SUBC_STIB4 = 4,
92 DIAG204_SUBC_RSI = 5,
93 DIAG204_SUBC_STIB6 = 6,
94 DIAG204_SUBC_STIB7 = 7
95};
96
97/* The two available diag 204 data formats */
98enum diag204_format {
99 DIAG204_INFO_SIMPLE = 0,
100 DIAG204_INFO_EXT = 0x00010000
101};
102
103enum diag204_cpu_flags {
104 DIAG204_CPU_ONLINE = 0x20,
105 DIAG204_CPU_CAPPED = 0x40,
106};
107
108struct diag204_info_blk_hdr {
109 __u8 npar;
110 __u8 flags;
111 __u16 tslice;
112 __u16 phys_cpus;
113 __u16 this_part;
114 __u64 curtod;
115} __packed;
116
117struct diag204_x_info_blk_hdr {
118 __u8 npar;
119 __u8 flags;
120 __u16 tslice;
121 __u16 phys_cpus;
122 __u16 this_part;
123 __u64 curtod1;
124 __u64 curtod2;
125 char reserved[40];
126} __packed;
127
128struct diag204_part_hdr {
129 __u8 pn;
130 __u8 cpus;
131 char reserved[6];
132 char part_name[DIAG204_LPAR_NAME_LEN];
133} __packed;
134
135struct diag204_x_part_hdr {
136 __u8 pn;
137 __u8 cpus;
138 __u8 rcpus;
139 __u8 pflag;
140 __u32 mlu;
141 char part_name[DIAG204_LPAR_NAME_LEN];
142 char lpc_name[8];
143 char os_name[8];
144 __u64 online_cs;
145 __u64 online_es;
146 __u8 upid;
147 __u8 reserved:3;
148 __u8 mtid:5;
149 char reserved1[2];
150 __u32 group_mlu;
151 char group_name[8];
152 char hardware_group_name[8];
153 char reserved2[24];
154} __packed;
155
156struct diag204_cpu_info {
157 __u16 cpu_addr;
158 char reserved1[2];
159 __u8 ctidx;
160 __u8 cflag;
161 __u16 weight;
162 __u64 acc_time;
163 __u64 lp_time;
164} __packed;
165
166struct diag204_x_cpu_info {
167 __u16 cpu_addr;
168 char reserved1[2];
169 __u8 ctidx;
170 __u8 cflag;
171 __u16 weight;
172 __u64 acc_time;
173 __u64 lp_time;
174 __u16 min_weight;
175 __u16 cur_weight;
176 __u16 max_weight;
177 char reseved2[2];
178 __u64 online_time;
179 __u64 wait_time;
180 __u32 pma_weight;
181 __u32 polar_weight;
182 __u32 cpu_type_cap;
183 __u32 group_cpu_type_cap;
184 char reserved3[32];
185} __packed;
186
187struct diag204_phys_hdr {
188 char reserved1[1];
189 __u8 cpus;
190 char reserved2[6];
191 char mgm_name[8];
192} __packed;
193
194struct diag204_x_phys_hdr {
195 char reserved1[1];
196 __u8 cpus;
197 char reserved2[6];
198 char mgm_name[8];
199 char reserved3[80];
200} __packed;
201
202struct diag204_phys_cpu {
203 __u16 cpu_addr;
204 char reserved1[2];
205 __u8 ctidx;
206 char reserved2[3];
207 __u64 mgm_time;
208 char reserved3[8];
209} __packed;
210
211struct diag204_x_phys_cpu {
212 __u16 cpu_addr;
213 char reserved1[2];
214 __u8 ctidx;
215 char reserved2[1];
216 __u16 weight;
217 __u64 mgm_time;
218 char reserved3[80];
219} __packed;
220
221struct diag204_x_part_block {
222 struct diag204_x_part_hdr hdr;
223 struct diag204_x_cpu_info cpus[];
224} __packed;
225
226struct diag204_x_phys_block {
227 struct diag204_x_phys_hdr hdr;
228 struct diag204_x_phys_cpu cpus[];
229} __packed;
230
231enum diag26c_sc {
232 DIAG26C_PORT_VNIC = 0x00000024,
233 DIAG26C_MAC_SERVICES = 0x00000030
234};
235
236enum diag26c_version {
237 DIAG26C_VERSION2 = 0x00000002, /* z/VM 5.4.0 */
238 DIAG26C_VERSION6_VM65918 = 0x00020006 /* z/VM 6.4.0 + VM65918 */
239};
240
241#define DIAG26C_VNIC_INFO 0x0002
242struct diag26c_vnic_req {
243 u32 resp_buf_len;
244 u32 resp_version;
245 u16 req_format;
246 u16 vlan_id;
247 u64 sys_name;
248 u8 res[2];
249 u16 devno;
250} __packed __aligned(8);
251
252#define VNIC_INFO_PROT_L3 1
253#define VNIC_INFO_PROT_L2 2
254/* Note: this is the bare minimum, use it for uninitialized VNICs only. */
255struct diag26c_vnic_resp {
256 u32 version;
257 u32 entry_cnt;
258 /* VNIC info: */
259 u32 next_entry;
260 u64 owner;
261 u16 devno;
262 u8 status;
263 u8 type;
264 u64 lan_owner;
265 u64 lan_name;
266 u64 port_name;
267 u8 port_type;
268 u8 ext_status:6;
269 u8 protocol:2;
270 u16 base_devno;
271 u32 port_num;
272 u32 ifindex;
273 u32 maxinfo;
274 u32 dev_count;
275 /* 3x device info: */
276 u8 dev_info1[28];
277 u8 dev_info2[28];
278 u8 dev_info3[28];
279} __packed __aligned(8);
280
281#define DIAG26C_GET_MAC 0x0000
282struct diag26c_mac_req {
283 u32 resp_buf_len;
284 u32 resp_version;
285 u16 op_code;
286 u16 devno;
287 u8 res[4];
288};
289
290struct diag26c_mac_resp {
291 u32 version;
292 u8 mac[ETH_ALEN];
293 u8 res[2];
294} __aligned(8);
295
296int diag204(unsigned long subcode, unsigned long size, void *addr);
297int diag224(void *ptr);
298int diag26c(void *req, void *resp, enum diag26c_sc subcode);
299#endif /* _ASM_S390_DIAG_H */