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/*
* Linux 2.6.32 and later Kernel module for VMware MVP Hypervisor Support
*
* Copyright (C) 2010-2012 VMware, Inc. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 as published by
* the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
* You should have received a copy of the GNU General Public License along with
* this program; see the file COPYING. If not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#line 5
/**
* @file
*
* @brief Worldswitch call parameters
*/
#ifndef _WSCALLS_H
#define _WSCALLS_H
#define INCLUDE_ALLOW_MODULE
#define INCLUDE_ALLOW_MONITOR
#define INCLUDE_ALLOW_GPL
#include "include_check.h"
#define WSCALL_ACQUIRE_PAGE 1
#define WSCALL_FLUSH_ALL_DCACHES 2
#define WSCALL_IRQ 3
#define WSCALL_ABORT 4
#define WSCALL_LOG 5
#define WSCALL_WAIT 6
#define WSCALL_MUTEXLOCK 7
#define WSCALL_MUTEXUNLOCK 8
#define WSCALL_MUTEXUNLSLEEP 9
#define WSCALL_MUTEXUNLWAKE 10
#define WSCALL_GET_PAGE_FROM_VMID 11
#define WSCALL_REMOVE_PAGE_FROM_VMID 12
#define WSCALL_RELEASE_PAGE 13
#define WSCALL_READTOD 14
#define WSCALL_QP_GUEST_ATTACH 15
#define WSCALL_MONITOR_TIMER 16
#define WSCALL_COMM_SIGNAL 17
#define WSCALL_QP_NOTIFY 18
/*
* MVPKM V0.5.2.0 supports all the calls above. If new API calls are
* introduced then make sure that the calling function (probably in
* mkhost.c) checks the mvpkm's version stored in wsp->mvpkmVersion
* and invokes the wscall only when it is supported.
*/
#define WSCALL_MAX_CALLNO 20
#define WSCALL_LOG_MAX 256
#define WSCALL_MAX_MPNS 16
#include "exitstatus.h"
#include "mutex.h"
#include "mksck_shared.h"
#include "qp.h"
#include "comm_transp.h"
#include "comm_transp_impl.h"
typedef struct WSParams {
uint32 callno;
union {
/**
* @brief Used for both WSCALL_ACQUIRE_PAGE and WSCALL_RELEASE_PAGE.
*/
struct {
uint16 pages; ///< IN Number of pages
uint16 order; /**< IN Size of each page -
2^(12+order) sized and aligned
in machine space.
(WSCALL_ACQUIRE_PAGE only) */
PhysMem_RegionType forRegion; /**< IN Region identifier for pages
(WSCALL_ACQUIRE_PAGE only) */
MPN mpns[WSCALL_MAX_MPNS]; /**< OUT (on WSCALL_ACQUIRE_PAGE)
IN (on WSCALL_RELEASE_PAGE)
Vector of page base MPNs. */
} pages;
union {
MPN mpn; ///< IN MPN to query refcount.
_Bool referenced; ///< OUT Do host page tables contain the MPN?
} refCount;
struct {
ExitStatus status; ///< IN the final status of the monitor
} abort;
struct {
int level;
char messg[WSCALL_LOG_MAX];
} log;
struct {
HKVA mtxHKVA; ///< IN mutex's host kernel virt addr
MutexMode mode; ///< IN shared or exclusive
uint32 cvi; ///< IN condition variable index
_Bool all; ///< IN wake all waiting threads?
_Bool ok; ///< OUT Mutex_Lock completed
} mutex;
struct {
Mksck_VmId vmId; ///< IN translate and lock this vmID
_Bool found; /**< OUT true if the lookup was successful,
page is found, and refc incremented */
MPN mpn[MKSCKPAGE_TOTAL]; ///< OUT array of MPNs of the requested vmId
} pageMgmnt;
struct {
unsigned int now; ///< OUT current time-of-day seconds
unsigned int nowusec; ///< OUT current time-of-day microseconds
} tod;
struct {
QPId id; ///< IN/OUT shared memory id
uint32 capacity; ///< IN size of shared region requested
uint32 type; ///< IN type of queue pair
uint32 base; ///< IN base MPN of PA vector page
uint32 nrPages; ///< IN number of pages to map
int32 rc; ///< OUT return code
} qp;
struct {
CommTranspID transpID;
CommTranspIOEvent event;
} commEvent;
struct {
uint64 when64; ///< IN timer request
} timer;
struct {
_Bool suspendMode; ///< Is the guest in suspend mode?
} wait;
}; ///< anonymous union
} WSParams;
/**
* @brief Cast the opaque param_ member of the wsp to WSParams type
* @param wsp_ the world switch page structure pointer
* @return the cast pointer
*/
static inline WSParams* UNUSED
WSP_Params(WorldSwitchPage *wsp_) {
return (WSParams*)(wsp_->params_);
}
MY_ASSERTS(WSParFn,
ASSERT_ON_COMPILE(sizeof(WSParams) <= WSP_PARAMS_SIZE);
)
#endif
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