Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/avi/kvm
[linux-2.6] / include / linux / atm_zatm.h
1 /* atm_zatm.h - Driver-specific declarations of the ZATM driver (for use by
2                 driver-specific utilities) */
3
4 /* Written 1995-1999 by Werner Almesberger, EPFL LRC/ICA */
5
6
7 #ifndef LINUX_ATM_ZATM_H
8 #define LINUX_ATM_ZATM_H
9
10 /*
11  * Note: non-kernel programs including this file must also include
12  * sys/types.h for struct timeval
13  */
14
15 #include <linux/atmapi.h>
16 #include <linux/atmioc.h>
17
18 #define ZATM_GETPOOL    _IOW('a',ATMIOC_SARPRV+1,struct atmif_sioc)
19                                                 /* get pool statistics */
20 #define ZATM_GETPOOLZ   _IOW('a',ATMIOC_SARPRV+2,struct atmif_sioc)
21                                                 /* get statistics and zero */
22 #define ZATM_SETPOOL    _IOW('a',ATMIOC_SARPRV+3,struct atmif_sioc)
23                                                 /* set pool parameters */
24
25 struct zatm_pool_info {
26         int ref_count;                  /* free buffer pool usage counters */
27         int low_water,high_water;       /* refill parameters */
28         int rqa_count,rqu_count;        /* queue condition counters */
29         int offset,next_off;            /* alignment optimizations: offset */
30         int next_cnt,next_thres;        /* repetition counter and threshold */
31 };
32
33 struct zatm_pool_req {
34         int pool_num;                   /* pool number */
35         struct zatm_pool_info info;     /* actual information */
36 };
37
38 struct zatm_t_hist {
39         struct timeval real;            /* real (wall-clock) time */
40         struct timeval expected;        /* expected real time */
41 };
42
43
44 #define ZATM_OAM_POOL           0       /* free buffer pool for OAM cells */
45 #define ZATM_AAL0_POOL          1       /* free buffer pool for AAL0 cells */
46 #define ZATM_AAL5_POOL_BASE     2       /* first AAL5 free buffer pool */
47 #define ZATM_LAST_POOL  ZATM_AAL5_POOL_BASE+10 /* max. 64 kB */
48
49 #define ZATM_TIMER_HISTORY_SIZE 16      /* number of timer adjustments to
50                                            record; must be 2^n */
51
52 #endif