drm: Fix shifts of EDID vsync offset/width fields.
[linux-2.6-block.git] / include / linux / init_task.h
CommitLineData
1da177e4
LT
1#ifndef _LINUX__INIT_TASK_H
2#define _LINUX__INIT_TASK_H
3
ab2af1f5 4#include <linux/rcupdate.h>
de30a2b3 5#include <linux/irqflags.h>
4865ecf1 6#include <linux/utsname.h>
fbb9ce95 7#include <linux/lockdep.h>
73ea4130 8#include <linux/ipc.h>
9a575a92 9#include <linux/pid_namespace.h>
acce292c 10#include <linux/user_namespace.h>
3898b1b4 11#include <linux/securebits.h>
772698f6 12#include <net/net_namespace.h>
1da177e4 13
f52111b1 14extern struct files_struct init_files;
18d8fda7 15extern struct fs_struct init_fs;
1da177e4
LT
16
17#define INIT_KIOCTX(name, which_mm) \
18{ \
19 .users = ATOMIC_INIT(1), \
20 .dead = 0, \
21 .mm = &which_mm, \
22 .user_id = 0, \
23 .next = NULL, \
24 .wait = __WAIT_QUEUE_HEAD_INITIALIZER(name.wait), \
e4d91918 25 .ctx_lock = __SPIN_LOCK_UNLOCKED(name.ctx_lock), \
1da177e4
LT
26 .reqs_active = 0U, \
27 .max_reqs = ~0U, \
28}
29
30#define INIT_MM(name) \
31{ \
32 .mm_rb = RB_ROOT, \
33 .pgd = swapper_pg_dir, \
34 .mm_users = ATOMIC_INIT(2), \
35 .mm_count = ATOMIC_INIT(1), \
36 .mmap_sem = __RWSEM_INITIALIZER(name.mmap_sem), \
e4d91918 37 .page_table_lock = __SPIN_LOCK_UNLOCKED(name.page_table_lock), \
1da177e4
LT
38 .mmlist = LIST_HEAD_INIT(name.mmlist), \
39 .cpu_vm_mask = CPU_MASK_ALL, \
1da177e4
LT
40}
41
1ec320af
CLG
42#define INIT_SIGNALS(sig) { \
43 .count = ATOMIC_INIT(1), \
1da177e4 44 .wait_chldexit = __WAIT_QUEUE_HEAD_INITIALIZER(sig.wait_chldexit),\
1ec320af 45 .shared_pending = { \
1da177e4 46 .list = LIST_HEAD_INIT(sig.shared_pending.list), \
1ec320af 47 .signal = {{0}}}, \
1da177e4
LT
48 .posix_timers = LIST_HEAD_INIT(sig.posix_timers), \
49 .cpu_timers = INIT_CPU_TIMERS(sig.cpu_timers), \
50 .rlim = INIT_RLIMITS, \
4cd4c1b4
PZ
51 .cputimer = { \
52 .cputime = INIT_CPUTIME, \
53 .running = 0, \
54 .lock = __SPIN_LOCK_UNLOCKED(sig.cputimer.lock), \
55 }, \
1da177e4
LT
56}
57
ab516013
SH
58extern struct nsproxy init_nsproxy;
59#define INIT_NSPROXY(nsproxy) { \
9a575a92 60 .pid_ns = &init_pid_ns, \
ab516013 61 .count = ATOMIC_INIT(1), \
4865ecf1 62 .uts_ns = &init_uts_ns, \
6b3286ed 63 .mnt_ns = NULL, \
4fabcd71 64 INIT_NET_NS(net_ns) \
73ea4130 65 INIT_IPC_NS(ipc_ns) \
ab516013
SH
66}
67
1da177e4
LT
68#define INIT_SIGHAND(sighand) { \
69 .count = ATOMIC_INIT(1), \
70 .action = { { { .sa_handler = NULL, } }, }, \
e4d91918 71 .siglock = __SPIN_LOCK_UNLOCKED(sighand.siglock), \
b8fceee1 72 .signalfd_wqh = __WAIT_QUEUE_HEAD_INITIALIZER(sighand.signalfd_wqh), \
1da177e4
LT
73}
74
75extern struct group_info init_groups;
76
820e45db
SB
77#define INIT_STRUCT_PID { \
78 .count = ATOMIC_INIT(1), \
820e45db
SB
79 .tasks = { \
80 { .first = &init_task.pids[PIDTYPE_PID].node }, \
81 { .first = &init_task.pids[PIDTYPE_PGID].node }, \
82 { .first = &init_task.pids[PIDTYPE_SID].node }, \
83 }, \
84 .rcu = RCU_HEAD_INIT, \
4c3f2ead
SB
85 .level = 0, \
86 .numbers = { { \
87 .nr = 0, \
88 .ns = &init_pid_ns, \
89 .pid_chain = { .next = NULL, .pprev = NULL }, \
90 }, } \
820e45db
SB
91}
92
93#define INIT_PID_LINK(type) \
94{ \
95 .node = { \
96 .next = NULL, \
97 .pprev = &init_struct_pid.tasks[type].first, \
98 }, \
99 .pid = &init_struct_pid, \
100}
101
bfef93a5
AV
102#ifdef CONFIG_AUDITSYSCALL
103#define INIT_IDS \
4746ec5b
EP
104 .loginuid = -1, \
105 .sessionid = -1,
bfef93a5
AV
106#else
107#define INIT_IDS
108#endif
3b7391de
SH
109
110#ifdef CONFIG_SECURITY_FILE_CAPABILITIES
111/*
112 * Because of the reduced scope of CAP_SETPCAP when filesystem
113 * capabilities are in effect, it is safe to allow CAP_SETPCAP to
114 * be available in the default configuration.
115 */
116# define CAP_INIT_BSET CAP_FULL_SET
117#else
118# define CAP_INIT_BSET CAP_INIT_EFF_SET
119#endif
120
b6dff3ec
DH
121extern struct cred init_cred;
122
1da177e4
LT
123/*
124 * INIT_TASK is used to set up the first task table, touch at
125 * your own risk!. Base=0, limit=0x1fffff (=2MB)
126 */
127#define INIT_TASK(tsk) \
128{ \
129 .state = 0, \
f7e4217b 130 .stack = &init_thread_info, \
1da177e4 131 .usage = ATOMIC_INIT(2), \
7b34e428 132 .flags = PF_KTHREAD, \
1da177e4
LT
133 .lock_depth = -1, \
134 .prio = MAX_PRIO-20, \
135 .static_prio = MAX_PRIO-20, \
b29739f9 136 .normal_prio = MAX_PRIO-20, \
1da177e4
LT
137 .policy = SCHED_NORMAL, \
138 .cpus_allowed = CPU_MASK_ALL, \
139 .mm = NULL, \
140 .active_mm = &init_mm, \
4a55bd5e
PZ
141 .se = { \
142 .group_node = LIST_HEAD_INIT(tsk.se.group_node), \
143 }, \
fa717060
PZ
144 .rt = { \
145 .run_list = LIST_HEAD_INIT(tsk.rt.run_list), \
6f505b16
PZ
146 .time_slice = HZ, \
147 .nr_cpus_allowed = NR_CPUS, \
148 }, \
1da177e4 149 .tasks = LIST_HEAD_INIT(tsk.tasks), \
f470021a
RM
150 .ptraced = LIST_HEAD_INIT(tsk.ptraced), \
151 .ptrace_entry = LIST_HEAD_INIT(tsk.ptrace_entry), \
1da177e4
LT
152 .real_parent = &tsk, \
153 .parent = &tsk, \
154 .children = LIST_HEAD_INIT(tsk.children), \
155 .sibling = LIST_HEAD_INIT(tsk.sibling), \
156 .group_leader = &tsk, \
3b11a1de 157 .real_cred = &init_cred, \
f1752eec 158 .cred = &init_cred, \
d84f4f99
DH
159 .cred_exec_mutex = \
160 __MUTEX_INITIALIZER(tsk.cred_exec_mutex), \
1da177e4
LT
161 .comm = "swapper", \
162 .thread = INIT_THREAD, \
163 .fs = &init_fs, \
164 .files = &init_files, \
165 .signal = &init_signals, \
166 .sighand = &init_sighand, \
ab516013 167 .nsproxy = &init_nsproxy, \
1da177e4
LT
168 .pending = { \
169 .list = LIST_HEAD_INIT(tsk.pending.list), \
170 .signal = {{0}}}, \
171 .blocked = {{0}}, \
e4d91918 172 .alloc_lock = __SPIN_LOCK_UNLOCKED(tsk.alloc_lock), \
1da177e4
LT
173 .journal_info = NULL, \
174 .cpu_timers = INIT_CPU_TIMERS(tsk.cpu_timers), \
22e2c507 175 .fs_excl = ATOMIC_INIT(0), \
b32e41bb 176 .pi_lock = __SPIN_LOCK_UNLOCKED(tsk.pi_lock), \
6976675d 177 .timer_slack_ns = 50000, /* 50 usec default slack */ \
820e45db
SB
178 .pids = { \
179 [PIDTYPE_PID] = INIT_PID_LINK(PIDTYPE_PID), \
180 [PIDTYPE_PGID] = INIT_PID_LINK(PIDTYPE_PGID), \
181 [PIDTYPE_SID] = INIT_PID_LINK(PIDTYPE_SID), \
182 }, \
3e26c149 183 .dirties = INIT_PROP_LOCAL_SINGLE(dirties), \
bfef93a5 184 INIT_IDS \
de30a2b3 185 INIT_TRACE_IRQFLAGS \
fbb9ce95 186 INIT_LOCKDEP \
1da177e4
LT
187}
188
189
190#define INIT_CPU_TIMERS(cpu_timers) \
191{ \
192 LIST_HEAD_INIT(cpu_timers[0]), \
193 LIST_HEAD_INIT(cpu_timers[1]), \
194 LIST_HEAD_INIT(cpu_timers[2]), \
195}
196
197
198#endif