direct-io.hg

annotate tools/libxc/xc.h @ 3326:f36de623daa0

bitkeeper revision 1.1159.187.81 (41cc934bUot13IO0-1LsmhYl0sW9Zw)

Add plan9 builder support.
author iap10@labyrinth.cl.cam.ac.uk
date Fri Dec 24 22:08:11 2004 +0000 (2004-12-24)
parents 5195a9576f40
children 6b1aa25ff284 708bd9c8362b
rev   line source
mjw@1623 1 /******************************************************************************
mjw@1623 2 * xc.h
mjw@1623 3 *
mjw@1623 4 * A library for low-level access to the Xen control interfaces.
mjw@1623 5 *
kaf24@2787 6 * Copyright (c) 2003-2004, K A Fraser.
mjw@1623 7 */
mjw@1623 8
mjw@1623 9 #ifndef __XC_H__
mjw@1623 10 #define __XC_H__
mjw@1623 11
kaf24@3266 12 #include <stdint.h>
kaf24@3266 13 typedef uint8_t u8;
kaf24@3266 14 typedef uint16_t u16;
kaf24@3266 15 typedef uint32_t u32;
kaf24@3266 16 typedef uint64_t u64;
kaf24@3266 17 typedef int8_t s8;
kaf24@3266 18 typedef int16_t s16;
kaf24@3266 19 typedef int32_t s32;
kaf24@3266 20 typedef int64_t s64;
mjw@1623 21
kaf24@2821 22 #include <xen/xen.h>
kaf24@2821 23 #include <xen/dom0_ops.h>
kaf24@2821 24 #include <xen/event_channel.h>
kaf24@2821 25 #include <xen/sched_ctl.h>
kaf24@2821 26 #include <xen/io/domain_controller.h>
kaf24@2787 27
mjw@1623 28 /* Obtain or relinquish a handle on the 'xc' library. */
mjw@1623 29 int xc_interface_open(void);
mjw@1623 30 int xc_interface_close(int xc_handle);
mjw@1623 31
mjw@1623 32 typedef struct {
mjw@1623 33 u32 domid;
mjw@1623 34 unsigned int cpu;
mjw@1623 35 unsigned int dying:1, crashed:1, shutdown:1,
mjw@1623 36 paused:1, blocked:1, running:1;
mjw@1623 37 unsigned int shutdown_reason; /* only meaningful if shutdown==1 */
mjw@1623 38 unsigned long nr_pages;
mjw@1623 39 unsigned long shared_info_frame;
mjw@1623 40 u64 cpu_time;
mjw@1623 41 unsigned long max_memkb;
mjw@1623 42 } xc_dominfo_t;
mjw@1623 43
kaf24@2787 44 typedef dom0_getdomaininfo_t xc_domaininfo_t;
mjw@1623 45 int xc_domain_create(int xc_handle,
mjw@1623 46 unsigned int mem_kb,
mjw@1623 47 int cpu,
gm281@2236 48 float cpu_weight,
mjw@1623 49 u32 *pdomid);
mjw@1623 50 int xc_domain_pause(int xc_handle,
mjw@1623 51 u32 domid);
mjw@1623 52 int xc_domain_unpause(int xc_handle,
mjw@1623 53 u32 domid);
mjw@1623 54 int xc_domain_destroy(int xc_handle,
mjw@1623 55 u32 domid);
mjw@1623 56 int xc_domain_pincpu(int xc_handle,
mjw@1623 57 u32 domid,
mjw@1623 58 int cpu);
mjw@1623 59 int xc_domain_getinfo(int xc_handle,
mjw@1623 60 u32 first_domid,
mjw@1623 61 unsigned int max_doms,
mjw@1623 62 xc_dominfo_t *info);
kaf24@2787 63 int xc_domain_getfullinfo(int xc_handle,
kaf24@2787 64 u32 domid,
kaf24@2787 65 xc_domaininfo_t *info,
kaf24@2787 66 full_execution_context_t *ctxt);
gm281@2236 67 int xc_domain_setcpuweight(int xc_handle,
gm281@2236 68 u32 domid,
gm281@2236 69 float weight);
kaf24@2787 70 long long xc_domain_get_cpu_usage(int xc_handle,
kaf24@2787 71 domid_t domid);
mjw@1623 72
kaf24@2787 73
kaf24@2787 74 typedef dom0_shadow_control_stats_t xc_shadow_control_stats_t;
mjw@1623 75 int xc_shadow_control(int xc_handle,
mjw@1623 76 u32 domid,
mjw@1623 77 unsigned int sop,
mjw@1623 78 unsigned long *dirty_bitmap,
mjw@1623 79 unsigned long pages,
mjw@1623 80 xc_shadow_control_stats_t *stats);
mjw@1623 81
mjw@1623 82
mjw@2574 83 #define XCFLAGS_VERBOSE 1
mjw@2574 84 #define XCFLAGS_LIVE 2
mjw@2574 85 #define XCFLAGS_DEBUG 4
mjw@2574 86 #define XCFLAGS_CONFIGURE 8
mjw@1623 87
mjw@1623 88 struct XcIOContext;
mjw@1623 89 int xc_linux_save(int xc_handle, struct XcIOContext *ioctxt);
mjw@1623 90 int xc_linux_restore(int xc_handle, struct XcIOContext *ioctxt);
mjw@1623 91
mjw@1623 92 int xc_linux_build(int xc_handle,
mjw@1623 93 u32 domid,
mjw@1623 94 const char *image_name,
mjw@1623 95 const char *ramdisk_name,
mjw@1623 96 const char *cmdline,
mjw@1623 97 unsigned int control_evtchn,
mjw@1623 98 unsigned long flags);
mjw@1623 99
iap10@3326 100 int
iap10@3326 101 xc_plan9_build (int xc_handle,
iap10@3326 102 u32 domid,
iap10@3326 103 const char *image_name,
iap10@3326 104 const char *cmdline,
iap10@3326 105 unsigned int control_evtchn,
iap10@3326 106 unsigned long flags);
iap10@3326 107
mjw@1623 108 int xc_bvtsched_global_set(int xc_handle,
mjw@1623 109 unsigned long ctx_allow);
mjw@1623 110
mjw@1623 111 int xc_bvtsched_domain_set(int xc_handle,
mjw@1623 112 u32 domid,
gm281@2058 113 u32 mcuadv,
gm281@2058 114 int warpback,
gm281@2058 115 s32 warpvalue,
gm281@2058 116 long long warpl,
gm281@2058 117 long long warpu);
mjw@1623 118
mjw@1623 119 int xc_bvtsched_global_get(int xc_handle,
mjw@1623 120 unsigned long *ctx_allow);
mjw@1623 121
mjw@1623 122 int xc_bvtsched_domain_get(int xc_handle,
mjw@1623 123 u32 domid,
gm281@2058 124 u32 *mcuadv,
gm281@2058 125 int *warpback,
gm281@2058 126 s32 *warpvalue,
gm281@2058 127 long long *warpl,
gm281@2058 128 long long *warpu);
mjw@1623 129
mjw@1623 130 int xc_atropos_domain_set(int xc_handle,
mjw@1623 131 u32 domid,
mjw@1623 132 u64 period, u64 slice, u64 latency,
mjw@1623 133 int xtratime);
mjw@1623 134
mjw@1623 135 int xc_atropos_domain_get(int xc_handle,
mjw@1623 136 u32 domid,
mjw@1623 137 u64* period, u64 *slice, u64 *latency,
mjw@1623 138 int *xtratime);
mjw@1623 139
mjw@1623 140 int xc_rrobin_global_set(int xc_handle, u64 slice);
mjw@1623 141
mjw@1623 142 int xc_rrobin_global_get(int xc_handle, u64 *slice);
mjw@1623 143
kaf24@2787 144 typedef evtchn_status_t xc_evtchn_status_t;
kaf24@2713 145 int xc_evtchn_alloc_unbound(int xc_handle,
kaf24@2713 146 u32 dom,
kaf24@2713 147 int *port);
mjw@1623 148 int xc_evtchn_bind_interdomain(int xc_handle,
mjw@1623 149 u32 dom1, /* may be DOMID_SELF */
mjw@1623 150 u32 dom2, /* may be DOMID_SELF */
mjw@1623 151 int *port1,
mjw@1623 152 int *port2);
mjw@1623 153 int xc_evtchn_bind_virq(int xc_handle,
mjw@1623 154 int virq,
mjw@1623 155 int *port);
mjw@1623 156 int xc_evtchn_close(int xc_handle,
mjw@1623 157 u32 dom, /* may be DOMID_SELF */
mjw@1623 158 int port);
mjw@1623 159 int xc_evtchn_send(int xc_handle,
mjw@1623 160 int local_port);
mjw@1623 161 int xc_evtchn_status(int xc_handle,
mjw@1623 162 u32 dom, /* may be DOMID_SELF */
mjw@1623 163 int port,
mjw@1623 164 xc_evtchn_status_t *status);
mjw@1623 165
mjw@1623 166 int xc_physdev_pci_access_modify(int xc_handle,
mjw@1623 167 u32 domid,
mjw@1623 168 int bus,
mjw@1623 169 int dev,
mjw@1623 170 int func,
mjw@1623 171 int enable);
mjw@1623 172
mjw@1623 173 int xc_readconsolering(int xc_handle,
mjw@1623 174 char *str,
mjw@1623 175 unsigned int max_chars,
mjw@1623 176 int clear);
mjw@1623 177
kaf24@2787 178 typedef dom0_physinfo_t xc_physinfo_t;
mjw@1623 179 int xc_physinfo(int xc_handle,
mjw@1623 180 xc_physinfo_t *info);
mjw@1623 181
gm281@2236 182 int xc_sched_id(int xc_handle,
gm281@2236 183 int *sched_id);
gm281@2236 184
mjw@1623 185 int xc_domain_setinitialmem(int xc_handle,
mjw@1623 186 u32 domid,
mjw@1623 187 unsigned int initial_memkb);
mjw@1623 188
mjw@1623 189 int xc_domain_setmaxmem(int xc_handle,
kaf24@3231 190 u32 domid,
kaf24@3231 191 unsigned int max_memkb);
mjw@1623 192
cl349@2449 193 int xc_domain_setvmassist(int xc_handle,
cl349@2449 194 u32 domid,
cl349@2449 195 unsigned int cmd,
cl349@2449 196 unsigned int type);
cl349@2449 197
kaf24@3231 198 typedef dom0_perfc_desc_t xc_perfc_desc_t;
kaf24@3231 199 /* IMPORTANT: The caller is responsible for mlock()'ing the @desc array. */
kaf24@3231 200 int xc_perfc_control(int xc_handle,
kaf24@3231 201 u32 op,
kaf24@3231 202 xc_perfc_desc_t *desc);
mjw@1623 203
iap10@2325 204 void *xc_map_foreign_range(int xc_handle, u32 dom,
iap10@2325 205 int size, int prot,
iap10@2325 206 unsigned long mfn );
iap10@2325 207
iap10@2325 208 void *xc_map_foreign_batch(int xc_handle, u32 dom, int prot,
iap10@2325 209 unsigned long *arr, int num );
iap10@2325 210
mjw@1623 211 #endif /* __XC_H__ */