X-Git-Url: http://git.linux-vserver.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=kernel%2Fhistory.h;fp=kernel%2Fhistory.h;h=0000000000000000000000000000000000000000;hb=52ab297203286190e6eff8a0675967a42c5b20f2;hp=acb04dfd7e151a5bd8b2a022d9edbbb313d4c31c;hpb=69c048e18d1630eea2d5c55f7c5acbdcacba846e;p=util-vserver.git diff --git a/kernel/history.h b/kernel/history.h deleted file mode 100644 index acb04df..0000000 --- a/kernel/history.h +++ /dev/null @@ -1,197 +0,0 @@ -#ifndef _VX_HISTORY_H -#define _VX_HISTORY_H - - -enum { - VXH_UNUSED=0, - VXH_THROW_OOPS=1, - - VXH_GET_VX_INFO, - VXH_PUT_VX_INFO, - VXH_INIT_VX_INFO, - VXH_SET_VX_INFO, - VXH_CLR_VX_INFO, - VXH_CLAIM_VX_INFO, - VXH_RELEASE_VX_INFO, - VXH_ALLOC_VX_INFO, - VXH_DEALLOC_VX_INFO, - VXH_HASH_VX_INFO, - VXH_UNHASH_VX_INFO, - VXH_LOC_VX_INFO, - VXH_LOOKUP_VX_INFO, - VXH_CREATE_VX_INFO, -}; - -struct _vxhe_vxi { - struct vx_info *ptr; - unsigned xid; - unsigned usecnt; - unsigned tasks; -}; - -struct _vxhe_set_clr { - void *data; -}; - -struct _vxhe_loc_lookup { - unsigned arg; -}; - -struct _vx_hist_entry { - void *loc; - unsigned short seq; - unsigned short type; - struct _vxhe_vxi vxi; - union { - struct _vxhe_set_clr sc; - struct _vxhe_loc_lookup ll; - }; -}; - -#ifdef CONFIG_VSERVER_HISTORY - -extern unsigned volatile int vxh_active; - -struct _vx_hist_entry *vxh_advance(void *loc); - - -static inline -void __vxh_copy_vxi(struct _vx_hist_entry *entry, struct vx_info *vxi) -{ - entry->vxi.ptr = vxi; - if (vxi) { - entry->vxi.usecnt = atomic_read(&vxi->vx_usecnt); - entry->vxi.tasks = atomic_read(&vxi->vx_tasks); - entry->vxi.xid = vxi->vx_id; - } -} - - -#define __HERE__ current_text_addr() - -#define __VXH_BODY(__type, __data, __here) \ - struct _vx_hist_entry *entry; \ - \ - preempt_disable(); \ - entry = vxh_advance(__here); \ - __data; \ - entry->type = __type; \ - preempt_enable(); - - - /* pass vxi only */ - -#define __VXH_SMPL \ - __vxh_copy_vxi(entry, vxi) - -static inline -void __vxh_smpl(struct vx_info *vxi, int __type, void *__here) -{ - __VXH_BODY(__type, __VXH_SMPL, __here) -} - - /* pass vxi and data (void *) */ - -#define __VXH_DATA \ - __vxh_copy_vxi(entry, vxi); \ - entry->sc.data = data - -static inline -void __vxh_data(struct vx_info *vxi, void *data, - int __type, void *__here) -{ - __VXH_BODY(__type, __VXH_DATA, __here) -} - - /* pass vxi and arg (long) */ - -#define __VXH_LONG \ - __vxh_copy_vxi(entry, vxi); \ - entry->ll.arg = arg - -static inline -void __vxh_long(struct vx_info *vxi, long arg, - int __type, void *__here) -{ - __VXH_BODY(__type, __VXH_LONG, __here) -} - - -static inline -void __vxh_throw_oops(void *__here) -{ - __VXH_BODY(VXH_THROW_OOPS, {}, __here); - /* prevent further acquisition */ - vxh_active = 0; -} - - -#define vxh_throw_oops() __vxh_throw_oops(__HERE__); - -#define __vxh_get_vx_info(v,h) __vxh_smpl(v, VXH_GET_VX_INFO, h); -#define __vxh_put_vx_info(v,h) __vxh_smpl(v, VXH_PUT_VX_INFO, h); - -#define __vxh_init_vx_info(v,d,h) \ - __vxh_data(v,d, VXH_INIT_VX_INFO, h); -#define __vxh_set_vx_info(v,d,h) \ - __vxh_data(v,d, VXH_SET_VX_INFO, h); -#define __vxh_clr_vx_info(v,d,h) \ - __vxh_data(v,d, VXH_CLR_VX_INFO, h); - -#define __vxh_claim_vx_info(v,d,h) \ - __vxh_data(v,d, VXH_CLAIM_VX_INFO, h); -#define __vxh_release_vx_info(v,d,h) \ - __vxh_data(v,d, VXH_RELEASE_VX_INFO, h); - -#define vxh_alloc_vx_info(v) \ - __vxh_smpl(v, VXH_ALLOC_VX_INFO, __HERE__); -#define vxh_dealloc_vx_info(v) \ - __vxh_smpl(v, VXH_DEALLOC_VX_INFO, __HERE__); - -#define vxh_hash_vx_info(v) \ - __vxh_smpl(v, VXH_HASH_VX_INFO, __HERE__); -#define vxh_unhash_vx_info(v) \ - __vxh_smpl(v, VXH_UNHASH_VX_INFO, __HERE__); - -#define vxh_loc_vx_info(v,l) \ - __vxh_long(v,l, VXH_LOC_VX_INFO, __HERE__); -#define vxh_lookup_vx_info(v,l) \ - __vxh_long(v,l, VXH_LOOKUP_VX_INFO, __HERE__); -#define vxh_create_vx_info(v,l) \ - __vxh_long(v,l, VXH_CREATE_VX_INFO, __HERE__); - -extern void vxh_dump_history(void); - - -#else /* CONFIG_VSERVER_HISTORY */ - -#define __HERE__ 0 - -#define vxh_throw_oops() do { } while (0) - -#define __vxh_get_vx_info(v,h) do { } while (0) -#define __vxh_put_vx_info(v,h) do { } while (0) - -#define __vxh_init_vx_info(v,d,h) do { } while (0) -#define __vxh_set_vx_info(v,d,h) do { } while (0) -#define __vxh_clr_vx_info(v,d,h) do { } while (0) - -#define __vxh_claim_vx_info(v,d,h) do { } while (0) -#define __vxh_release_vx_info(v,d,h) do { } while (0) - -#define vxh_alloc_vx_info(v) do { } while (0) -#define vxh_dealloc_vx_info(v) do { } while (0) - -#define vxh_hash_vx_info(v) do { } while (0) -#define vxh_unhash_vx_info(v) do { } while (0) - -#define vxh_loc_vx_info(a,v) do { } while (0) -#define vxh_lookup_vx_info(a,v) do { } while (0) -#define vxh_create_vx_info(a,v) do { } while (0) - -#define vxh_dump_history() do { } while (0) - - -#endif /* CONFIG_VSERVER_HISTORY */ - -#endif /* _VX_HISTORY_H */