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/*********************************************************
* Copyright (C) 2007,2014 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 as published by the
* Free Software Foundation version 2 and no later version.
*
* 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; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*
*********************************************************/
/*
* vsockCommon.h --
*
* VSockets common constants, types and functions.
*/
#ifndef _VSOCK_COMMON_H_
#define _VSOCK_COMMON_H_
/*
* VMCISockGetAFValueInt is defined separately from VMCISock_GetAFValue because
* it is used in several different contexts. In particular it is called from
* vsockAddr.c which gets compiled into both our kernel modules as well as
* the user level vsock library. In the linux kernel we need different behavior
* than external kernel modules using vSockets API inside the kernel.
*/
#if defined VMX86_VMX
/*
* The VMX is a very special case because hypervisor sockets do not go
* through the host kernel and thus do not require an address family.
*/
# define VMCI_SOCKETS_AF_VALUE 0
# define VMCISockGetAFValueInt() VMCI_SOCKETS_AF_VALUE
#elif defined _WIN32
# define VMCI_SOCKETS_AF_VALUE 28
# if defined WINNT_DDK
# define _WIN2K_COMPAT_SLIST_USAGE
# include <ntddk.h>
# include <windef.h>
# define _INC_WINDOWS
/* In the kernel we can't call into the provider. */
# define VMCISockGetAFValueInt() VMCI_SOCKETS_AF_VALUE
# else // WINNT_DDK
/* In userland, just use the normal exported userlevel API. */
# define VMCISockGetAFValueInt() VMCISock_GetAFValue()
# include <windows.h>
# endif // WINNT_DDK
#elif defined VMKERNEL
# include "uwvmkAPI.h"
# define VMCI_SOCKETS_AF_VALUE AF_VMCI /* Defined in uwvmkAPI.h. */
/* The address family is fixed in the vmkernel. */
# define VMCISockGetAFValueInt() VMCI_SOCKETS_AF_VALUE
#elif defined linux
# if defined __KERNEL__
/* Include compat_page.h now so PAGE_SIZE and friends don't get redefined. */
# include "driver-config.h"
# include "compat_page.h"
/*
* In the kernel we call back into af_vsock.c to get the address family
* being used. Otherwise an ioctl(2) is performed (see vmci_sockets.h).
*/
extern int VSockVmci_GetAFValue(void);
# define VMCISockGetAFValueInt() VSockVmci_GetAFValue()
# else // __KERNEL__
/* In userland, just use the normal exported userlevel API. */
# define VMCISockGetAFValueInt() VMCISock_GetAFValue()
# endif
#elif defined __APPLE__
# if defined KERNEL
# include <IOKit/system.h>
# define VMCI_SOCKETS_AF_VALUE 14
# define VMCISockGetAFValueInt() VMCI_SOCKETS_AF_VALUE
# else // KERNEL
# define VMCISockGetAFValueInt() VMCISock_GetAFValue()
# endif // KERNEL
#endif // __APPLE__
#include "vmware.h"
#include "vm_basic_asm.h"
#include "vmci_defs.h"
#include "vmci_call_defs.h"
#include "vmci_infrastructure.h"
#include "vmci_sockets_int.h"
#include "vmci_sockets.h"
#if defined WINNT_DDK
# include <winsock2.h>
#endif // WINNT_DDK
#include "vsockAddr.h"
#include "vsockSocketWrapper.h"
/*
* Local VSocket control packet resource ID.
*
* Stream sockets to the hypervisor were added later so VSOCK_PACKET_RID was
* already assigned to another application. VSOCK_PACKET_HYPERVISOR_RID is
* used instead.
*/
#if defined VMX86_VMX
# define VSOCK_PACKET_LOCAL_RID VSOCK_PACKET_HYPERVISOR_RID
#else
# define VSOCK_PACKET_LOCAL_RID VSOCK_PACKET_RID
#endif
/* Memory allocation flags. */
#define VSOCK_MEMORY_NORMAL 0
#define VSOCK_MEMORY_ATOMIC (1 << 0)
#define VSOCK_MEMORY_NONPAGED (1 << 1)
/*
*-----------------------------------------------------------------------------
*
* VSockVA64ToPtr --
*
* Convert a VA64 to a pointer.
*
* Results:
* Virtual address.
*
* Side effects:
* None
*
*-----------------------------------------------------------------------------
*/
static INLINE void *
VSockVA64ToPtr(VA64 va64) // IN
{
#ifdef VM_X86_64
ASSERT_ON_COMPILE(sizeof (void *) == 8);
#else
ASSERT_ON_COMPILE(sizeof (void *) == 4);
// Check that nothing of value will be lost.
ASSERT(!(va64 >> 32));
#endif
return (void *)(uintptr_t)va64;
}
/*
*-----------------------------------------------------------------------------
*
* VSockPtrToVA64 --
*
* Convert a pointer to a VA64.
*
* Results:
* Virtual address.
*
* Side effects:
* None
*
*-----------------------------------------------------------------------------
*/
static INLINE VA64
VSockPtrToVA64(void const *ptr) // IN
{
ASSERT_ON_COMPILE(sizeof ptr <= sizeof (VA64));
return (VA64)(uintptr_t)ptr;
}
#if defined(_WIN32) && !defined(WINNT_DDK)
/* VSock transport provider structures */
__declspec(selectany) extern const WSAPROTOCOL_INFOW vsockProtocolInfos[] = {
{
(XP1_CONNECTIONLESS | /* No connection required. */
XP1_MESSAGE_ORIENTED), /* Message. */
0, /* Reserved. */
0, /* Reserved. */
0, /* Reserved. */
PFL_MATCHES_PROTOCOL_ZERO, /* Always protocol 0. */
{ 0 }, /* None. */
0, /* Assigned by Winsock. */
{ 1, 0 }, /* Base provider. */
0, /* Version 0. */
VMCI_SOCKETS_AF_VALUE, /* vSockets protocol. */
16, /* Maximum address length in bytes. */
16, /* Minimum address length in bytes. */
SOCK_DGRAM, /* STREAM. */
0, /* Protocol. */
0, /* Protocol max offset. */
BIGENDIAN, /* Network byte order. */
SECURITY_PROTOCOL_NONE, /* No security. */
0, /* Message size unimportant. */
0, /* None. */
L"vSockets DGRAM" /* Protocol name. */
},
{
(XP1_GUARANTEED_DELIVERY | /* Guaranteed delivery. */
XP1_GUARANTEED_ORDER | /* Guaranteed order. */
XP1_GRACEFUL_CLOSE), /* Graceful close. */
0, /* Reserved. */
0, /* Reserved. */
0, /* Reserved. */
PFL_MATCHES_PROTOCOL_ZERO, /* Always protocol 0. */
{ 0 }, /* None. */
0, /* Assigned by Winsock. */
{ 1, 0 }, /* Base provider. */
0, /* Version 0. */
VMCI_SOCKETS_AF_VALUE, /* vSockets protocol. */
16, /* Maximum address length in bytes. */
16, /* Minimum address length in bytes. */
SOCK_STREAM, /* STREAM. */
0, /* Protocol. */
0, /* Protocol max offset. */
BIGENDIAN, /* Network byte order. */
SECURITY_PROTOCOL_NONE, /* No security. */
0, /* Message size unimportant. */
0, /* None. */
L"vSockets STREAM" /* Protocol name. */
},
};
__declspec(selectany) extern const
size_t numVSockProtocolInfos = ARRAYSIZE(vsockProtocolInfos);
/* {570ADC4B-67B2-42ce-92B2-ACD33D88D842} */
__declspec(selectany) extern const GUID vsockProviderID = {
0x570adc4b, 0x67b2, 0x42ce,
{ 0x92, 0xb2, 0xac, 0xd3, 0x3d, 0x88, 0xd8, 0x42 }
};
#endif // _WIN32 && !WINNT_DDK
#endif // _VSOCK_COMMON_H_
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