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/**
* Generic scheduler control interface.
*
* Mark Williamson, (C) 2004 Intel Research Cambridge
*/
#ifndef __SCHED_CTL_H__
#define __SCHED_CTL_H__
/* Scheduler types */
#define SCHED_BVT 0
#define SCHED_ATROPOS 2
#define SCHED_RROBIN 3
/* these describe the intended direction used for a scheduler control or domain
* command */
#define SCHED_INFO_PUT 0
#define SCHED_INFO_GET 1
/*
* Generic scheduler control command - used to adjust system-wide scheduler
* parameters
*/
struct sched_ctl_cmd
{
u32 sched_id; /* 0 */
u32 direction; /* 4 */
union { /* 8 */
struct bvt_ctl
{
/* IN variables. */
u32 ctx_allow; /* 8: context switch allowance */
} PACKED bvt;
struct rrobin_ctl
{
/* IN variables */
u64 slice; /* 8: round robin time slice */
} PACKED rrobin;
} PACKED u;
} PACKED; /* 16 bytes */
struct sched_adjdom_cmd
{
u32 sched_id; /* 0 */
u32 direction; /* 4 */
domid_t domain; /* 8 */
u16 __pad0;
u32 __pad1;
union { /* 16 */
struct bvt_adjdom
{
u32 mcu_adv; /* 16: mcu advance: inverse of weight */
u32 warpback; /* 20: warp? */
s32 warpvalue; /* 24: warp value */
long long warpl; /* 32: warp limit */
long long warpu; /* 40: unwarp time requirement */
} PACKED bvt;
struct atropos_adjdom
{
u64 nat_period; /* 16 */
u64 nat_slice; /* 24 */
u64 latency; /* 32 */
u32 xtratime; /* 36 */
} PACKED atropos;
} PACKED u;
} PACKED; /* 40 bytes */
#endif /* __SCHED_CTL_H__ */
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