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author | dfr <dfr@FreeBSD.org> | 2008-11-22 16:14:52 +0000 |
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committer | dfr <dfr@FreeBSD.org> | 2008-11-22 16:14:52 +0000 |
commit | 19b6af98ec71398e77874582eb84ec5310c7156f (patch) | |
tree | 61eebb1b357f3edaa339d295e26a47a74534ac23 /sys/xen/interface/sched.h | |
parent | 83299de5870b2dc099c17aec548d3502821bc29b (diff) | |
download | FreeBSD-src-19b6af98ec71398e77874582eb84ec5310c7156f.zip FreeBSD-src-19b6af98ec71398e77874582eb84ec5310c7156f.tar.gz |
Clone Kip's Xen on stable/6 tree so that I can work on improving FreeBSD/amd64
performance in Xen's HVM mode.
Diffstat (limited to 'sys/xen/interface/sched.h')
-rw-r--r-- | sys/xen/interface/sched.h | 121 |
1 files changed, 0 insertions, 121 deletions
diff --git a/sys/xen/interface/sched.h b/sys/xen/interface/sched.h deleted file mode 100644 index 2227a95..0000000 --- a/sys/xen/interface/sched.h +++ /dev/null @@ -1,121 +0,0 @@ -/****************************************************************************** - * sched.h - * - * Scheduler state interactions - * - * 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_SCHED_H__ -#define __XEN_PUBLIC_SCHED_H__ - -#include "event_channel.h" - -/* - * The prototype for this hypercall is: - * long sched_op(int cmd, void *arg) - * @cmd == SCHEDOP_??? (scheduler operation). - * @arg == Operation-specific extra argument(s), as described below. - * - * Versions of Xen prior to 3.0.2 provided only the following legacy version - * of this hypercall, supporting only the commands yield, block and shutdown: - * long sched_op(int cmd, unsigned long arg) - * @cmd == SCHEDOP_??? (scheduler operation). - * @arg == 0 (SCHEDOP_yield and SCHEDOP_block) - * == SHUTDOWN_* code (SCHEDOP_shutdown) - * This legacy version is available to new guests as sched_op_compat(). - */ - -/* - * Voluntarily yield the CPU. - * @arg == NULL. - */ -#define SCHEDOP_yield 0 - -/* - * Block execution of this VCPU until an event is received for processing. - * If called with event upcalls masked, this operation will atomically - * reenable event delivery and check for pending events before blocking the - * VCPU. This avoids a "wakeup waiting" race. - * @arg == NULL. - */ -#define SCHEDOP_block 1 - -/* - * Halt execution of this domain (all VCPUs) and notify the system controller. - * @arg == pointer to sched_shutdown structure. - */ -#define SCHEDOP_shutdown 2 -struct sched_shutdown { - unsigned int reason; /* SHUTDOWN_* */ -}; -typedef struct sched_shutdown sched_shutdown_t; -DEFINE_XEN_GUEST_HANDLE(sched_shutdown_t); - -/* - * Poll a set of event-channel ports. Return when one or more are pending. An - * optional timeout may be specified. - * @arg == pointer to sched_poll structure. - */ -#define SCHEDOP_poll 3 -struct sched_poll { - XEN_GUEST_HANDLE(evtchn_port_t) ports; - unsigned int nr_ports; - uint64_t timeout; -}; -typedef struct sched_poll sched_poll_t; -DEFINE_XEN_GUEST_HANDLE(sched_poll_t); - -/* - * Declare a shutdown for another domain. The main use of this function is - * in interpreting shutdown requests and reasons for fully-virtualized - * domains. A para-virtualized domain may use SCHEDOP_shutdown directly. - * @arg == pointer to sched_remote_shutdown structure. - */ -#define SCHEDOP_remote_shutdown 4 -struct sched_remote_shutdown { - domid_t domain_id; /* Remote domain ID */ - unsigned int reason; /* SHUTDOWN_xxx reason */ -}; -typedef struct sched_remote_shutdown sched_remote_shutdown_t; -DEFINE_XEN_GUEST_HANDLE(sched_remote_shutdown_t); - -/* - * Reason codes for SCHEDOP_shutdown. These may be interpreted by control - * software to determine the appropriate action. For the most part, Xen does - * not care about the shutdown code. - */ -#define SHUTDOWN_poweroff 0 /* Domain exited normally. Clean up and kill. */ -#define SHUTDOWN_reboot 1 /* Clean up, kill, and then restart. */ -#define SHUTDOWN_suspend 2 /* Clean up, save suspend info, kill. */ -#define SHUTDOWN_crash 3 /* Tell controller we've crashed. */ - -#endif /* __XEN_PUBLIC_SCHED_H__ */ - -/* - * Local variables: - * mode: C - * c-set-style: "BSD" - * c-basic-offset: 4 - * tab-width: 4 - * indent-tabs-mode: nil - * End: - */ |