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Diffstat (limited to 'ANDROID_3.4.5/include/xen/interface/vcpu.h')
| -rw-r--r-- | ANDROID_3.4.5/include/xen/interface/vcpu.h | 173 |
1 files changed, 0 insertions, 173 deletions
diff --git a/ANDROID_3.4.5/include/xen/interface/vcpu.h b/ANDROID_3.4.5/include/xen/interface/vcpu.h deleted file mode 100644 index 87e6f8a4..00000000 --- a/ANDROID_3.4.5/include/xen/interface/vcpu.h +++ /dev/null @@ -1,173 +0,0 @@ -/****************************************************************************** - * vcpu.h - * - * VCPU initialisation, query, and hotplug. - * - * Permission is hereby granted, free of charge, to any person obtaining a copy - * of this software and associated documentation files (the "Software"), to - * deal in the Software without restriction, including without limitation the - * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or - * sell copies of the Software, and to permit persons to whom the Software is - * furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice shall be included in - * all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE - * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER - * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING - * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER - * DEALINGS IN THE SOFTWARE. - * - * Copyright (c) 2005, Keir Fraser <keir@xensource.com> - */ - -#ifndef __XEN_PUBLIC_VCPU_H__ -#define __XEN_PUBLIC_VCPU_H__ - -/* - * Prototype for this hypercall is: - * int vcpu_op(int cmd, int vcpuid, void *extra_args) - * @cmd == VCPUOP_??? (VCPU operation). - * @vcpuid == VCPU to operate on. - * @extra_args == Operation-specific extra arguments (NULL if none). - */ - -/* - * Initialise a VCPU. Each VCPU can be initialised only once. A - * newly-initialised VCPU will not run until it is brought up by VCPUOP_up. - * - * @extra_arg == pointer to vcpu_guest_context structure containing initial - * state for the VCPU. - */ -#define VCPUOP_initialise 0 - -/* - * Bring up a VCPU. This makes the VCPU runnable. This operation will fail - * if the VCPU has not been initialised (VCPUOP_initialise). - */ -#define VCPUOP_up 1 - -/* - * Bring down a VCPU (i.e., make it non-runnable). - * There are a few caveats that callers should observe: - * 1. This operation may return, and VCPU_is_up may return false, before the - * VCPU stops running (i.e., the command is asynchronous). It is a good - * idea to ensure that the VCPU has entered a non-critical loop before - * bringing it down. Alternatively, this operation is guaranteed - * synchronous if invoked by the VCPU itself. - * 2. After a VCPU is initialised, there is currently no way to drop all its - * references to domain memory. Even a VCPU that is down still holds - * memory references via its pagetable base pointer and GDT. It is good - * practise to move a VCPU onto an 'idle' or default page table, LDT and - * GDT before bringing it down. - */ -#define VCPUOP_down 2 - -/* Returns 1 if the given VCPU is up. */ -#define VCPUOP_is_up 3 - -/* - * Return information about the state and running time of a VCPU. - * @extra_arg == pointer to vcpu_runstate_info structure. - */ -#define VCPUOP_get_runstate_info 4 -struct vcpu_runstate_info { - /* VCPU's current state (RUNSTATE_*). */ - int state; - /* When was current state entered (system time, ns)? */ - uint64_t state_entry_time; - /* - * Time spent in each RUNSTATE_* (ns). The sum of these times is - * guaranteed not to drift from system time. - */ - uint64_t time[4]; -}; -DEFINE_GUEST_HANDLE_STRUCT(vcpu_runstate_info); - -/* VCPU is currently running on a physical CPU. */ -#define RUNSTATE_running 0 - -/* VCPU is runnable, but not currently scheduled on any physical CPU. */ -#define RUNSTATE_runnable 1 - -/* VCPU is blocked (a.k.a. idle). It is therefore not runnable. */ -#define RUNSTATE_blocked 2 - -/* - * VCPU is not runnable, but it is not blocked. - * This is a 'catch all' state for things like hotplug and pauses by the - * system administrator (or for critical sections in the hypervisor). - * RUNSTATE_blocked dominates this state (it is the preferred state). - */ -#define RUNSTATE_offline 3 - -/* - * Register a shared memory area from which the guest may obtain its own - * runstate information without needing to execute a hypercall. - * Notes: - * 1. The registered address may be virtual or physical, depending on the - * platform. The virtual address should be registered on x86 systems. - * 2. Only one shared area may be registered per VCPU. The shared area is - * updated by the hypervisor each time the VCPU is scheduled. Thus - * runstate.state will always be RUNSTATE_running and - * runstate.state_entry_time will indicate the system time at which the - * VCPU was last scheduled to run. - * @extra_arg == pointer to vcpu_register_runstate_memory_area structure. - */ -#define VCPUOP_register_runstate_memory_area 5 -struct vcpu_register_runstate_memory_area { - union { - GUEST_HANDLE(vcpu_runstate_info) h; - struct vcpu_runstate_info *v; - uint64_t p; - } addr; -}; - -/* - * Set or stop a VCPU's periodic timer. Every VCPU has one periodic timer - * which can be set via these commands. Periods smaller than one millisecond - * may not be supported. - */ -#define VCPUOP_set_periodic_timer 6 /* arg == vcpu_set_periodic_timer_t */ -#define VCPUOP_stop_periodic_timer 7 /* arg == NULL */ -struct vcpu_set_periodic_timer { - uint64_t period_ns; -}; -DEFINE_GUEST_HANDLE_STRUCT(vcpu_set_periodic_timer); - -/* - * Set or stop a VCPU's single-shot timer. Every VCPU has one single-shot - * timer which can be set via these commands. - */ -#define VCPUOP_set_singleshot_timer 8 /* arg == vcpu_set_singleshot_timer_t */ -#define VCPUOP_stop_singleshot_timer 9 /* arg == NULL */ -struct vcpu_set_singleshot_timer { - uint64_t timeout_abs_ns; - uint32_t flags; /* VCPU_SSHOTTMR_??? */ -}; -DEFINE_GUEST_HANDLE_STRUCT(vcpu_set_singleshot_timer); - -/* Flags to VCPUOP_set_singleshot_timer. */ - /* Require the timeout to be in the future (return -ETIME if it's passed). */ -#define _VCPU_SSHOTTMR_future (0) -#define VCPU_SSHOTTMR_future (1U << _VCPU_SSHOTTMR_future) - -/* - * Register a memory location in the guest address space for the - * vcpu_info structure. This allows the guest to place the vcpu_info - * structure in a convenient place, such as in a per-cpu data area. - * The pointer need not be page aligned, but the structure must not - * cross a page boundary. - */ -#define VCPUOP_register_vcpu_info 10 /* arg == struct vcpu_info */ -struct vcpu_register_vcpu_info { - uint64_t mfn; /* mfn of page to place vcpu_info */ - uint32_t offset; /* offset within page */ - uint32_t rsvd; /* unused */ -}; -DEFINE_GUEST_HANDLE_STRUCT(vcpu_register_vcpu_info); - -#endif /* __XEN_PUBLIC_VCPU_H__ */ |