1 #error THIS FILE SHOULD NO LONGER BE USED
10 #include <linux/kernel.h>
11 #include <linux/rcupdate.h>
12 #include <linux/sched.h>
14 #include "vserver/context.h"
15 #include "vserver/limit.h"
16 #include "vserver/cvirt.h"
19 #define vxdprintk(x...) printk("vxd: " x)
21 #define vxdprintk(x...)
26 extern int proc_pid_vx_info(struct task_struct *, char *);
29 #define get_vx_info(i) __get_vx_info(i,__FILE__,__LINE__)
31 static inline struct vx_info *__get_vx_info(struct vx_info *vxi,
32 const char *_file, int _line)
36 vxdprintk("get_vx_info(%p[#%d.%d])\t%s:%d\n",
37 vxi, vxi?vxi->vx_id:0, vxi?atomic_read(&vxi->vx_usecnt):0,
39 atomic_inc(&vxi->vx_usecnt);
44 #define free_vx_info(vxi) \
45 call_rcu(&vxi->vx_rcu, rcu_free_vx_info, vxi);
47 #define put_vx_info(i) __put_vx_info(i,__FILE__,__LINE__)
49 static inline void __put_vx_info(struct vx_info *vxi, const char *_file, int _line)
53 vxdprintk("put_vx_info(%p[#%d.%d])\t%s:%d\n",
54 vxi, vxi?vxi->vx_id:0, vxi?atomic_read(&vxi->vx_usecnt):0,
56 if (atomic_dec_and_test(&vxi->vx_usecnt))
60 #define set_vx_info(p,i) __set_vx_info(p,i,__FILE__,__LINE__)
62 static inline void __set_vx_info(struct vx_info **vxp, struct vx_info *vxi,
63 const char *_file, int _line)
68 vxdprintk("set_vx_info(%p[#%d.%d.%d])\t%s:%d\n",
69 vxi, vxi?vxi->vx_id:0,
70 vxi?atomic_read(&vxi->vx_usecnt):0,
71 vxi?atomic_read(&vxi->vx_refcnt):0,
73 atomic_inc(&vxi->vx_refcnt);
74 *vxp = __get_vx_info(vxi, _file, _line);
77 #define clr_vx_info(p) __clr_vx_info(p,__FILE__,__LINE__)
79 static inline void __clr_vx_info(struct vx_info **vxp,
80 const char *_file, int _line)
82 struct vx_info *vxo = *vxp;
86 vxdprintk("clr_vx_info(%p[#%d.%d.%d])\t%s:%d\n",
87 vxo, vxo?vxo->vx_id:0,
88 vxo?atomic_read(&vxo->vx_usecnt):0,
89 vxo?atomic_read(&vxo->vx_refcnt):0,
93 if (vxo && atomic_dec_and_test(&vxo->vx_refcnt))
95 __put_vx_info(vxo, _file, _line);
99 #define task_get_vx_info(i) __task_get_vx_info(i,__FILE__,__LINE__)
101 static __inline__ struct vx_info *__task_get_vx_info(struct task_struct *p,
102 const char *_file, int _line)
107 vxi = __get_vx_info(p->vx_info, _file, _line);
113 #define vx_verify_info(p,i) \
114 __vx_verify_info((p)->vx_info,i,__FILE__,__LINE__)
116 static __inline__ void __vx_verify_info(
117 struct vx_info *vxa, struct vx_info *vxb,
118 const char *_file, int _line)
122 printk(KERN_ERR "vx bad assumption (%p==%p) at %s:%d\n",
123 vxa, vxb, _file, _line);
127 #define vx_task_xid(t) ((t)->xid)
129 #define vx_current_xid() vx_task_xid(current)
131 #define vx_check(c,m) __vx_check(vx_current_xid(),c,m)
133 #define vx_weak_check(c,m) ((m) ? vx_check(c,m) : 1)
137 * check current context for ADMIN/WATCH and
138 * optionally agains supplied argument
140 static __inline__ int __vx_check(xid_t cid, xid_t id, unsigned int mode)
142 if (mode & VX_ARG_MASK) {
143 if ((mode & VX_IDENT) &&
147 if (mode & VX_ATR_MASK) {
148 if ((mode & VX_DYNAMIC) &&
149 (id >= MIN_D_CONTEXT) &&
150 (id <= MAX_S_CONTEXT))
152 if ((mode & VX_STATIC) &&
153 (id > 1) && (id < MIN_D_CONTEXT))
156 return (((mode & VX_ADMIN) && (cid == 0)) ||
157 ((mode & VX_WATCH) && (cid == 1)));
161 #define __vx_flags(v,m,f) (((v) & (m)) ^ (f))
163 #define __vx_task_flags(t,m,f) \
164 (((t) && ((t)->vx_info)) ? \
165 __vx_flags((t)->vx_info->vx_flags,(m),(f)) : 0)
167 #define vx_current_flags() \
168 ((current->vx_info) ? current->vx_info->vx_flags : 0)
170 #define vx_flags(m,f) __vx_flags(vx_current_flags(),(m),(f))
173 #define vx_current_ccaps() \
174 ((current->vx_info) ? current->vx_info->vx_ccaps : 0)
176 #define vx_ccaps(c) (vx_current_ccaps() & (c))
178 #define vx_current_bcaps() \
179 (((current->vx_info) && !vx_flags(VXF_STATE_SETUP, 0)) ? \
180 current->vx_info->vx_bcaps : cap_bset)
183 #define VX_DEBUG_ACC_RSS 0
184 #define VX_DEBUG_ACC_VM 0
185 #define VX_DEBUG_ACC_VML 0
188 #if (VX_DEBUG_ACC_RSS) || (VX_DEBUG_ACC_VM) || (VX_DEBUG_ACC_VML)
189 #define vxdprintk(x...) printk("vxd: " x)
191 #define vxdprintk(x...)
194 #define vx_acc_page(m, d, v, r) \
195 __vx_acc_page(&(m->v), m->mm_vx_info, r, d, __FILE__, __LINE__)
197 static inline void __vx_acc_page(unsigned long *v, struct vx_info *vxi,
198 int res, int dir, char *file, int line)
208 atomic_inc(&vxi->limit.res[res]);
210 atomic_dec(&vxi->limit.res[res]);
215 #define vx_acc_pages(m, p, v, r) \
216 __vx_acc_pages(&(m->v), m->mm_vx_info, r, p, __FILE__, __LINE__)
218 static inline void __vx_acc_pages(unsigned long *v, struct vx_info *vxi,
219 int res, int pages, char *file, int line)
221 if ((res == RLIMIT_RSS && VX_DEBUG_ACC_RSS) ||
222 (res == RLIMIT_AS && VX_DEBUG_ACC_VM) ||
223 (res == RLIMIT_MEMLOCK && VX_DEBUG_ACC_VML))
224 vxdprintk("vx_acc_pages [%5d,%2d]: %5d += %5d in %s:%d\n",
225 (vxi?vxi->vx_id:-1), res,
226 (vxi?atomic_read(&vxi->limit.res[res]):0),
233 atomic_add(pages, &vxi->limit.res[res]);
238 #define vx_acc_vmpage(m,d) vx_acc_page(m, d, total_vm, RLIMIT_AS)
239 #define vx_acc_vmlpage(m,d) vx_acc_page(m, d, locked_vm, RLIMIT_MEMLOCK)
240 #define vx_acc_rsspage(m,d) vx_acc_page(m, d, rss, RLIMIT_RSS)
242 #define vx_acc_vmpages(m,p) vx_acc_pages(m, p, total_vm, RLIMIT_AS)
243 #define vx_acc_vmlpages(m,p) vx_acc_pages(m, p, locked_vm, RLIMIT_MEMLOCK)
244 #define vx_acc_rsspages(m,p) vx_acc_pages(m, p, rss, RLIMIT_RSS)
246 #define vx_pages_add(s,r,p) __vx_acc_pages(0, s, r, p, __FILE__, __LINE__)
247 #define vx_pages_sub(s,r,p) __vx_pages_add(s, r, -(p))
249 #define vx_vmpages_inc(m) vx_acc_vmpage(m, 1)
250 #define vx_vmpages_dec(m) vx_acc_vmpage(m,-1)
251 #define vx_vmpages_add(m,p) vx_acc_vmpages(m, p)
252 #define vx_vmpages_sub(m,p) vx_acc_vmpages(m,-(p))
254 #define vx_vmlocked_inc(m) vx_acc_vmlpage(m, 1)
255 #define vx_vmlocked_dec(m) vx_acc_vmlpage(m,-1)
256 #define vx_vmlocked_add(m,p) vx_acc_vmlpages(m, p)
257 #define vx_vmlocked_sub(m,p) vx_acc_vmlpages(m,-(p))
259 #define vx_rsspages_inc(m) vx_acc_rsspage(m, 1)
260 #define vx_rsspages_dec(m) vx_acc_rsspage(m,-1)
261 #define vx_rsspages_add(m,p) vx_acc_rsspages(m, p)
262 #define vx_rsspages_sub(m,p) vx_acc_rsspages(m,-(p))
266 #define vx_pages_avail(m, p, r) \
267 __vx_pages_avail((m)->mm_vx_info, (r), (p), __FILE__, __LINE__)
269 static inline int __vx_pages_avail(struct vx_info *vxi,
270 int res, int pages, char *file, int line)
272 if ((res == RLIMIT_RSS && VX_DEBUG_ACC_RSS) ||
273 (res == RLIMIT_AS && VX_DEBUG_ACC_VM) ||
274 (res == RLIMIT_MEMLOCK && VX_DEBUG_ACC_VML))
275 printk("vx_pages_avail[%5d,%2d]: %5ld > %5d + %5d in %s:%d\n",
276 (vxi?vxi->vx_id:-1), res,
277 (vxi?vxi->limit.rlim[res]:1),
278 (vxi?atomic_read(&vxi->limit.res[res]):0),
282 if (vxi->limit.rlim[res] == RLIM_INFINITY)
284 if (atomic_read(&vxi->limit.res[res]) + pages < vxi->limit.rlim[res])
289 #define vx_vmpages_avail(m,p) vx_pages_avail(m, p, RLIMIT_AS)
290 #define vx_vmlocked_avail(m,p) vx_pages_avail(m, p, RLIMIT_MEMLOCK)
291 #define vx_rsspages_avail(m,p) vx_pages_avail(m, p, RLIMIT_RSS)
295 #define VX_DEBUG_ACC_FILE 0
296 #define VX_DEBUG_ACC_OPENFD 0
299 #if (VX_DEBUG_ACC_FILE) || (VX_DEBUG_ACC_OPENFD)
300 #define vxdprintk(x...) printk("vxd: " x)
302 #define vxdprintk(x...)
306 #define vx_acc_cres(v,d,r) \
307 __vx_acc_cres((v), (r), (d), __FILE__, __LINE__)
309 static inline void __vx_acc_cres(struct vx_info *vxi,
310 int res, int dir, char *file, int line)
313 if ((res == RLIMIT_NOFILE && VX_DEBUG_ACC_FILE) ||
314 (res == RLIMIT_OPENFD && VX_DEBUG_ACC_OPENFD))
315 printk("vx_acc_cres[%5d,%2d]: %5d%s in %s:%d\n",
316 (vxi?vxi->vx_id:-1), res,
317 (vxi?atomic_read(&vxi->limit.res[res]):0),
318 (dir>0)?"++":"--", file, line);
320 atomic_inc(&vxi->limit.res[res]);
322 atomic_dec(&vxi->limit.res[res]);
326 #define vx_files_inc(f) vx_acc_cres(current->vx_info, 1, RLIMIT_NOFILE)
327 #define vx_files_dec(f) vx_acc_cres(current->vx_info,-1, RLIMIT_NOFILE)
329 #define vx_openfd_inc(f) vx_acc_cres(current->vx_info, 1, RLIMIT_OPENFD)
330 #define vx_openfd_dec(f) vx_acc_cres(current->vx_info,-1, RLIMIT_OPENFD)
332 #define vx_cres_avail(v,n,r) \
333 __vx_cres_avail((v), (r), (n), __FILE__, __LINE__)
335 static inline int __vx_cres_avail(struct vx_info *vxi,
336 int res, int num, char *file, int line)
338 if ((res == RLIMIT_NOFILE && VX_DEBUG_ACC_FILE) ||
339 (res == RLIMIT_OPENFD && VX_DEBUG_ACC_OPENFD))
340 printk("vx_cres_avail[%5d,%2d]: %5ld > %5d + %5d in %s:%d\n",
341 (vxi?vxi->vx_id:-1), res,
342 (vxi?vxi->limit.rlim[res]:1),
343 (vxi?atomic_read(&vxi->limit.res[res]):0),
347 if (vxi->limit.rlim[res] == RLIM_INFINITY)
349 if (vxi->limit.rlim[res] < atomic_read(&vxi->limit.res[res]) + num)
354 #define vx_files_avail(n) \
355 vx_cres_avail(current->vx_info, (n), RLIMIT_NOFILE)
357 #define vx_openfd_avail(n) \
358 vx_cres_avail(current->vx_info, (n), RLIMIT_OPENFD)
362 #define vx_sock_inc(f) vx_acc_cres(current->vx_info, 1, VLIMIT_SOCK)
363 #define vx_sock_dec(f) vx_acc_cres(current->vx_info,-1, VLIMIT_SOCK)
365 #define vx_sock_avail(n) \
366 vx_cres_avail(current->vx_info, (n), VLIMIT_SOCK)
370 #define FIOC_GETXFLG _IOR('x', 5, long)
371 #define FIOC_SETXFLG _IOW('x', 6, long)
373 /* utsname virtualization */
375 static inline struct new_utsname *vx_new_utsname(void)
377 if (current->vx_info)
378 return ¤t->vx_info->cvirt.utsname;
379 return &system_utsname;
382 #define vx_new_uts(x) ((vx_new_utsname())->x)
384 /* generic flag merging */
386 #define vx_mask_flags(v,f,m) (((v) & ~(m)) | ((f) & (m)))
388 #define vx_mask_mask(v,f,m) (((v) & ~(m)) | ((v) & (f) & (m)))
391 /* socket accounting */
393 #include <linux/socket.h>
395 static inline int vx_sock_type(int family)
399 if (family > 0 && family < 3)
401 else if (family == PF_INET6)
406 #define vx_acc_sock(v,f,p,s) \
407 __vx_acc_sock((v), (f), (p), (s), __FILE__, __LINE__)
409 static inline void __vx_acc_sock(struct vx_info *vxi,
410 int family, int pos, int size, char *file, int line)
413 int type = vx_sock_type(family);
415 atomic_inc(&vxi->cacct.sock[type][pos].count);
416 atomic_add(size, &vxi->cacct.sock[type][pos].total);
420 #define vx_sock_recv(sk,s) \
421 vx_acc_sock((sk)->sk_vx_info, (sk)->sk_family, 0, (s))
422 #define vx_sock_send(sk,s) \
423 vx_acc_sock((sk)->sk_vx_info, (sk)->sk_family, 1, (s))
424 #define vx_sock_fail(sk,s) \
425 vx_acc_sock((sk)->sk_vx_info, (sk)->sk_family, 2, (s))
428 #define sock_vx_init(s) do { \
430 (s)->sk_vx_info = NULL; \
434 /* pid faking stuff */
437 #define vx_map_tgid(v,p) \
438 __vx_map_tgid((v), (p), __FILE__, __LINE__)
440 static inline int __vx_map_tgid(struct vx_info *vxi, int pid,
441 char *file, int line)
443 if (vxi && __vx_flags(vxi->vx_flags, VXF_INFO_INIT, 0)) {
444 vxdprintk("vx_map_tgid: %p/%llx: %d -> %d in %s:%d\n",
445 vxi, vxi->vx_flags, pid,
446 (pid == vxi->vx_initpid)?1:pid,
448 if (pid == vxi->vx_initpid)
454 #define vx_rmap_tgid(v,p) \
455 __vx_rmap_tgid((v), (p), __FILE__, __LINE__)
457 static inline int __vx_rmap_tgid(struct vx_info *vxi, int pid,
458 char *file, int line)
460 if (vxi && __vx_flags(vxi->vx_flags, VXF_INFO_INIT, 0)) {
461 vxdprintk("vx_rmap_tgid: %p/%llx: %d -> %d in %s:%d\n",
462 vxi, vxi->vx_flags, pid,
463 (pid == 1)?vxi->vx_initpid:pid,
465 if ((pid == 1) && vxi->vx_initpid)
466 return vxi->vx_initpid;
472 #define vxdprintk(x...)