direct-io.hg

annotate tools/libxc/xc.h @ 2713:06527e1d6757

bitkeeper revision 1.1159.130.1 (41792c8bfIrnaq8cezNM7nbYpseVFQ)

Extend Xen's evtchn interface.
author kaf24@freefall.cl.cam.ac.uk
date Fri Oct 22 15:51:39 2004 +0000 (2004-10-22)
parents 8aa9d487a8dd
children 77fbe6c094f2
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 *
mjw@1623 6 * Copyright (c) 2003, K A Fraser.
mjw@1623 7 */
mjw@1623 8
mjw@1623 9 #ifndef __XC_H__
mjw@1623 10 #define __XC_H__
mjw@1623 11
mjw@1623 12 typedef unsigned char u8;
mjw@1623 13 typedef unsigned short u16;
mjw@1623 14 typedef unsigned long u32;
mjw@1623 15 typedef unsigned long long u64;
mjw@1623 16 typedef signed char s8;
mjw@1623 17 typedef signed short s16;
mjw@1623 18 typedef signed long s32;
mjw@1623 19 typedef signed long long s64;
mjw@1623 20
mjw@1623 21 /* Obtain or relinquish a handle on the 'xc' library. */
mjw@1623 22 int xc_interface_open(void);
mjw@1623 23 int xc_interface_close(int xc_handle);
mjw@1623 24
mjw@1623 25 typedef struct {
mjw@1623 26 u32 domid;
mjw@1623 27 unsigned int cpu;
mjw@1623 28 unsigned int dying:1, crashed:1, shutdown:1,
mjw@1623 29 paused:1, blocked:1, running:1;
mjw@1623 30 unsigned int shutdown_reason; /* only meaningful if shutdown==1 */
mjw@1623 31 unsigned long nr_pages;
mjw@1623 32 unsigned long shared_info_frame;
mjw@1623 33 u64 cpu_time;
mjw@1623 34 unsigned long max_memkb;
mjw@1623 35 } xc_dominfo_t;
mjw@1623 36
mjw@1623 37 typedef struct xc_shadow_control_stats_st
mjw@1623 38 {
mjw@1623 39 unsigned long fault_count;
mjw@1623 40 unsigned long dirty_count;
mjw@1623 41 unsigned long dirty_net_count;
mjw@1623 42 unsigned long dirty_block_count;
mjw@1623 43 } xc_shadow_control_stats_t;
mjw@1623 44
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);
gm281@2236 63 int xc_domain_setcpuweight(int xc_handle,
gm281@2236 64 u32 domid,
gm281@2236 65 float weight);
mjw@1623 66
mjw@1623 67 int xc_shadow_control(int xc_handle,
mjw@1623 68 u32 domid,
mjw@1623 69 unsigned int sop,
mjw@1623 70 unsigned long *dirty_bitmap,
mjw@1623 71 unsigned long pages,
mjw@1623 72 xc_shadow_control_stats_t *stats);
mjw@1623 73
mjw@1623 74
mjw@2574 75 #define XCFLAGS_VERBOSE 1
mjw@2574 76 #define XCFLAGS_LIVE 2
mjw@2574 77 #define XCFLAGS_DEBUG 4
mjw@2574 78 #define XCFLAGS_CONFIGURE 8
mjw@1623 79
mjw@1623 80 struct XcIOContext;
mjw@1623 81 int xc_linux_save(int xc_handle, struct XcIOContext *ioctxt);
mjw@1623 82 int xc_linux_restore(int xc_handle, struct XcIOContext *ioctxt);
mjw@1623 83
mjw@1623 84 int xc_linux_build(int xc_handle,
mjw@1623 85 u32 domid,
mjw@1623 86 const char *image_name,
mjw@1623 87 const char *ramdisk_name,
mjw@1623 88 const char *cmdline,
mjw@1623 89 unsigned int control_evtchn,
mjw@1623 90 unsigned long flags);
mjw@1623 91
mjw@1623 92 int xc_bvtsched_global_set(int xc_handle,
mjw@1623 93 unsigned long ctx_allow);
mjw@1623 94
mjw@1623 95 int xc_bvtsched_domain_set(int xc_handle,
mjw@1623 96 u32 domid,
gm281@2058 97 u32 mcuadv,
gm281@2058 98 int warpback,
gm281@2058 99 s32 warpvalue,
gm281@2058 100 long long warpl,
gm281@2058 101 long long warpu);
mjw@1623 102
mjw@1623 103 int xc_bvtsched_global_get(int xc_handle,
mjw@1623 104 unsigned long *ctx_allow);
mjw@1623 105
mjw@1623 106 int xc_bvtsched_domain_get(int xc_handle,
mjw@1623 107 u32 domid,
gm281@2058 108 u32 *mcuadv,
gm281@2058 109 int *warpback,
gm281@2058 110 s32 *warpvalue,
gm281@2058 111 long long *warpl,
gm281@2058 112 long long *warpu);
mjw@1623 113
mjw@1623 114 int xc_atropos_domain_set(int xc_handle,
mjw@1623 115 u32 domid,
mjw@1623 116 u64 period, u64 slice, u64 latency,
mjw@1623 117 int xtratime);
mjw@1623 118
mjw@1623 119 int xc_atropos_domain_get(int xc_handle,
mjw@1623 120 u32 domid,
mjw@1623 121 u64* period, u64 *slice, u64 *latency,
mjw@1623 122 int *xtratime);
mjw@1623 123
mjw@1623 124 int xc_rrobin_global_set(int xc_handle, u64 slice);
mjw@1623 125
mjw@1623 126 int xc_rrobin_global_get(int xc_handle, u64 *slice);
mjw@1623 127
kaf24@2276 128 #define DOMID_SELF (0x7FF0U)
kaf24@2298 129 #define DOMID_IO (0x7FF1U)
kaf24@2298 130 #define DOMID_XEN (0x7FF2U)
mjw@1623 131
mjw@1623 132 typedef struct {
mjw@1623 133 #define EVTCHNSTAT_closed 0 /* Chennel is not in use. */
mjw@1623 134 #define EVTCHNSTAT_unbound 1 /* Channel is not bound to a source. */
mjw@1623 135 #define EVTCHNSTAT_interdomain 2 /* Channel is connected to remote domain. */
mjw@1623 136 #define EVTCHNSTAT_pirq 3 /* Channel is bound to a phys IRQ line. */
mjw@1623 137 #define EVTCHNSTAT_virq 4 /* Channel is bound to a virtual IRQ line */
mjw@1623 138 int status;
mjw@1623 139 union {
mjw@1623 140 struct {
mjw@1623 141 u32 dom;
mjw@1623 142 int port;
mjw@1623 143 } interdomain;
mjw@1623 144 int pirq;
mjw@1623 145 int virq;
mjw@1623 146 } u;
mjw@1623 147 } xc_evtchn_status_t;
mjw@1623 148
kaf24@2713 149 int xc_evtchn_alloc_unbound(int xc_handle,
kaf24@2713 150 u32 dom,
kaf24@2713 151 int *port);
mjw@1623 152 int xc_evtchn_bind_interdomain(int xc_handle,
mjw@1623 153 u32 dom1, /* may be DOMID_SELF */
mjw@1623 154 u32 dom2, /* may be DOMID_SELF */
mjw@1623 155 int *port1,
mjw@1623 156 int *port2);
mjw@1623 157 int xc_evtchn_bind_virq(int xc_handle,
mjw@1623 158 int virq,
mjw@1623 159 int *port);
mjw@1623 160 int xc_evtchn_close(int xc_handle,
mjw@1623 161 u32 dom, /* may be DOMID_SELF */
mjw@1623 162 int port);
mjw@1623 163 int xc_evtchn_send(int xc_handle,
mjw@1623 164 int local_port);
mjw@1623 165 int xc_evtchn_status(int xc_handle,
mjw@1623 166 u32 dom, /* may be DOMID_SELF */
mjw@1623 167 int port,
mjw@1623 168 xc_evtchn_status_t *status);
mjw@1623 169
mjw@1623 170 int xc_physdev_pci_access_modify(int xc_handle,
mjw@1623 171 u32 domid,
mjw@1623 172 int bus,
mjw@1623 173 int dev,
mjw@1623 174 int func,
mjw@1623 175 int enable);
mjw@1623 176
mjw@1623 177 int xc_readconsolering(int xc_handle,
mjw@1623 178 char *str,
mjw@1623 179 unsigned int max_chars,
mjw@1623 180 int clear);
mjw@1623 181
mjw@1623 182 typedef struct {
mjw@1623 183 int ht_per_core;
mjw@1623 184 int cores;
mjw@1623 185 unsigned long total_pages;
mjw@1623 186 unsigned long free_pages;
mjw@1623 187 unsigned long cpu_khz;
mjw@1623 188 } xc_physinfo_t;
mjw@1623 189
mjw@1623 190 int xc_physinfo(int xc_handle,
mjw@1623 191 xc_physinfo_t *info);
mjw@1623 192
gm281@2236 193 int xc_sched_id(int xc_handle,
gm281@2236 194 int *sched_id);
gm281@2236 195
mjw@1623 196 int xc_domain_setinitialmem(int xc_handle,
mjw@1623 197 u32 domid,
mjw@1623 198 unsigned int initial_memkb);
mjw@1623 199
mjw@1623 200 int xc_domain_setmaxmem(int xc_handle,
mjw@1623 201 u32 domid,
mjw@1623 202 unsigned int max_memkb);
mjw@1623 203
cl349@2449 204 int xc_domain_setvmassist(int xc_handle,
cl349@2449 205 u32 domid,
cl349@2449 206 unsigned int cmd,
cl349@2449 207 unsigned int type);
cl349@2449 208
mjw@1623 209
iap10@2325 210 void *xc_map_foreign_range(int xc_handle, u32 dom,
iap10@2325 211 int size, int prot,
iap10@2325 212 unsigned long mfn );
iap10@2325 213
iap10@2325 214 void *xc_map_foreign_batch(int xc_handle, u32 dom, int prot,
iap10@2325 215 unsigned long *arr, int num );
iap10@2325 216
mjw@1623 217 #endif /* __XC_H__ */