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8#ifndef _ZFCPDUMP_H
9#define _ZFCPDUMP_H
10
11#include <stdio.h>
12#include <signal.h>
13#include <stdint.h>
14
15#define ZFCPDUMP_VERSION "2.2"
16
17#define PRINT_TRACE(x...) \
18 do { \
19 if (g.parm_debug >= 3) { \
20 fprintf(stderr, "TRACE: "); \
21 fprintf(stderr, ##x); \
22 } \
23 } while (0)
24
25#define PRINT_ERR(x...) \
26 do { \
27 fprintf(stderr, "ERROR: "); \
28 fprintf(stderr, ##x); \
29 } while (0)
30
31#define PRINT_WARN(x...) \
32 do { \
33 fprintf(stderr, "WARNING: "); \
34 fprintf(stderr, ##x); \
35 } while (0)
36
37#define PRINT_PERR(x...) \
38 do { \
39 fprintf(stderr, "ERROR: "); \
40 fprintf(stderr, ##x); \
41 perror(""); \
42 } while (0)
43
44#define PRINT(x...) fprintf(stdout, ##x)
45#define CMDLINE_MAX_LEN 1024
46#define KERN_PARM_MAX 100
47
48#define DUMP_FLAGS (O_CREAT | O_RDWR | O_TRUNC | O_DIRECT)
49#define DUMP_MODE (S_IRUSR | S_IWUSR | S_IRGRP)
50
51struct globals {
52 char *parm_compress;
53 char *parm_dir;
54 char *parm_part;
55 int parm_debug;
56 int parm_mode;
57 __u64 parm_mem;
58 char parmline[CMDLINE_MAX_LEN];
59 char dump_dir[1024];
60 int dump_nr;
61 int last_progress;
62 struct sigaction sigact;
63 char dump_devno[16];
64 char dump_wwpn[32];
65 char dump_lun[32];
66 char dump_bootprog[32];
67};
68
69#ifndef MIN
70#define MIN(x, y) ((x) < (y) ? (x) : (y))
71#endif
72#ifndef MAX
73#define MAX(x, y) ((x) > (y) ? (x) : (y))
74#endif
75
76#define PROC_CMDLINE "/proc/cmdline"
77#define PROC_MISC "/proc/misc"
78#define DEV_ZCORE "/sys/kernel/debug/zcore/mem"
79#define DEV_ZCORE_MAP "/sys/kernel/debug/zcore/memmap"
80#define DEV_ZCORE_REIPL "/sys/kernel/debug/zcore/reipl"
81#define REIPL "1"
82#define DEV_SCSI "/dev/sda"
83#define DUMP_DIR "/mnt"
84
85#define IPL_WWPN "/sys/firmware/ipl/wwpn"
86#define IPL_DEVNO "/sys/firmware/ipl/device"
87#define IPL_LUN "/sys/firmware/ipl/lun"
88
89#define PARM_DIR "dump_dir"
90#define PARM_DIR_DFLT "/"
91
92#define PARM_PART "dump_part"
93#define PARM_PART_DFLT "1"
94
95#define PARM_COMP "dump_compress"
96#define PARM_COMP_GZIP "gzip"
97#define PARM_COMP_NONE "none"
98#define PARM_COMP_DFLT PARM_COMP_NONE
99
100#define PARM_MEM "dump_mem"
101#ifdef __s390x__
102#define PARM_MEM_DFLT 0xffffffffffffffff
103#else
104#define PARM_MEM_DFLT 0xffffffff
105#endif
106
107#define PARM_DEBUG "dump_debug"
108#define PARM_DEBUG_DFLT 2
109#define PARM_DEBUG_MIN 1
110#define PARM_DEBUG_MAX 6
111
112#define PARM_MODE "dump_mode"
113#define PARM_MODE_INTERACT "interactive"
114#define PARM_MODE_INTERACT_NUM 0
115#define PARM_MODE_AUTO "auto"
116#define PARM_MODE_AUTO_NUM 1
117#define PARM_MODE_DFLT PARM_MODE_INTERACT
118#define PARM_MODE_NUM_DFLT PARM_MODE_INTERACT_NUM
119
120#define DUMP_FIRST 0
121#define DUMP_LAST 1
122#define NO_DUMP -1
123
124#define WAIT_TIME_ERASE 5
125#define WAIT_TIME_END 3
126#define WAIT_TIME_ONLINE 2
127
128#define UTS_LEN 65
129
130#define PAGE_SIZE 4096
131#define DUMP_BUF_SIZE (80 * PAGE_SIZE)
132#define LKCD_HDR_SIZE (64 * 1024)
133
134
135#define DUMP_MAGIC_S390SA 0xa8190173618f23fdULL
136#define DUMP_HEADER_SZ_S390SA 4096
137
138
139#define DUMP_MAGIC_NUMBER 0xa8190173618f23edULL
140#define DUMP_MAGIC_NUMBER_ASM 0x733339302d64756dULL
141#define DUMP_VERSION_NUMBER 0x8
142#define DUMP_PANIC_LEN 0x100
143
144
145#define DUMP_COMPRESS_NONE 0x0
146#define DUMP_COMPRESS_GZIP 0x2
147
148
149#define DUMP_DH_RAW 0x1
150#define DUMP_DH_COMPRESSED 0x2
151#define DUMP_DH_END 0x4
152
153#define CHUNK_INFO_SIZE 34
154
155
156
157
158struct dump_hdr_lkcd {
159 __u64 magic_number;
160 __u32 version;
161 __u32 header_size;
162 __u32 dump_level;
163 __u32 page_size;
164 __u64 memory_size;
165 __u64 memory_start;
166 __u64 memory_end;
167 __u32 num_dump_pages;
168 char panic_string[DUMP_PANIC_LEN];
169 struct {
170 __u64 tv_sec;
171 __u64 tv_usec;
172 } time;
173 char utsname_sysname[UTS_LEN];
174 char utsname_nodename[UTS_LEN];
175 char utsname_release[UTS_LEN];
176 char utsname_version[UTS_LEN];
177 char utsname_machine[UTS_LEN];
178 char utsname_domainname[UTS_LEN];
179 __u64 current_task;
180 __u32 dump_compress;
181 __u32 dump_flags;
182 __u32 dump_device;
183} __attribute__((packed));
184
185#define DH_ARCH_ID_S390X 2
186#define DH_ARCH_ID_S390 1
187
188
189
190
191struct dump_hdr_lkcd_asm {
192 __u64 magic_number;
193 __u32 version;
194 __u32 hdr_size;
195 __u16 cpu_cnt;
196 __u16 real_cpu_cnt;
197 __u32 lc_vec[512];
198} __attribute__((packed));
199
200
201
202
203struct dump_hdr_s390 {
204 __u64 magic_number;
205 __u32 version;
206 __u32 header_size;
207 __u32 dump_level;
208 __u32 page_size;
209 __u64 memory_size;
210 __u64 memory_start;
211 __u64 memory_end;
212 __u32 num_pages;
213 __u32 pad;
214 __u64 tod;
215 __u64 cpu_id;
216 __u32 arch_id;
217 __u32 volnr;
218 __u32 build_arch;
219 __u64 rmem_size;
220 __u8 mvdump;
221 __u16 cpu_cnt;
222 __u16 real_cpu_cnt;
223 __u8 end_pad1[0x200-0x061];
224 __u64 mvdump_sign;
225 __u64 mvdump_zipl_time;
226 __u8 end_pad2[0x800-0x210];
227 __u32 lc_vec[512];
228} __attribute__((packed));
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230
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233
234struct dump_page {
235 __u64 address;
236 __u32 size;
237 __u32 flags;
238} __attribute__((packed));
239
240struct mem_chunk {
241 __u64 addr;
242 __u64 size;
243 struct mem_chunk *next;
244};
245
246
247typedef int (*compress_fn_t)(const unsigned char *old, __u32 old_size,
248 unsigned char *new, __u32 size);
249
250#endif
251
