a8f6ac0573
Move FreeBSD from interface version 0x00030204 to 0x00030208. Updates are required to our grant table implementation before we can bump this further. sys/xen/hvm.h: Replace the implementation of hvm_get_parameter(), formerly located in sys/xen/interface/hvm/params.h. Linux has a similar file which primarily stores this function. sys/xen/xenstore/xenstore.c: Include new xen/hvm.h header file to get hvm_get_parameter(). sys/amd64/include/xen/xen-os.h: sys/i386/include/xen/xen-os.h: Correctly protect function definition and variables from being included into assembly files in xen-os.h Xen memory barriers are now prefixed with "xen_" to avoid conflicts with OS native primatives. Define Xen memory barriers in terms of the native FreeBSD primatives. Sponsored by: Spectra Logic Corporation Reviewed by: Roger Pau Monné Tested by: Roger Pau Monné Obtained from: Roger Pau Monné (bug fixes)
149 lines
4.7 KiB
C
149 lines
4.7 KiB
C
/******************************************************************************
|
|
* tmem.h
|
|
*
|
|
* Guest OS interface to Xen Transcendent Memory.
|
|
*
|
|
* 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) 2004, K A Fraser
|
|
*/
|
|
|
|
#ifndef __XEN_PUBLIC_TMEM_H__
|
|
#define __XEN_PUBLIC_TMEM_H__
|
|
|
|
#include "xen.h"
|
|
|
|
/* version of ABI */
|
|
#define TMEM_SPEC_VERSION 1
|
|
|
|
/* Commands to HYPERVISOR_tmem_op() */
|
|
#define TMEM_CONTROL 0
|
|
#define TMEM_NEW_POOL 1
|
|
#define TMEM_DESTROY_POOL 2
|
|
#define TMEM_NEW_PAGE 3
|
|
#define TMEM_PUT_PAGE 4
|
|
#define TMEM_GET_PAGE 5
|
|
#define TMEM_FLUSH_PAGE 6
|
|
#define TMEM_FLUSH_OBJECT 7
|
|
#define TMEM_READ 8
|
|
#define TMEM_WRITE 9
|
|
#define TMEM_XCHG 10
|
|
|
|
/* Privileged commands to HYPERVISOR_tmem_op() */
|
|
#define TMEM_AUTH 101
|
|
#define TMEM_RESTORE_NEW 102
|
|
|
|
/* Subops for HYPERVISOR_tmem_op(TMEM_CONTROL) */
|
|
#define TMEMC_THAW 0
|
|
#define TMEMC_FREEZE 1
|
|
#define TMEMC_FLUSH 2
|
|
#define TMEMC_DESTROY 3
|
|
#define TMEMC_LIST 4
|
|
#define TMEMC_SET_WEIGHT 5
|
|
#define TMEMC_SET_CAP 6
|
|
#define TMEMC_SET_COMPRESS 7
|
|
#define TMEMC_QUERY_FREEABLE_MB 8
|
|
#define TMEMC_SAVE_BEGIN 10
|
|
#define TMEMC_SAVE_GET_VERSION 11
|
|
#define TMEMC_SAVE_GET_MAXPOOLS 12
|
|
#define TMEMC_SAVE_GET_CLIENT_WEIGHT 13
|
|
#define TMEMC_SAVE_GET_CLIENT_CAP 14
|
|
#define TMEMC_SAVE_GET_CLIENT_FLAGS 15
|
|
#define TMEMC_SAVE_GET_POOL_FLAGS 16
|
|
#define TMEMC_SAVE_GET_POOL_NPAGES 17
|
|
#define TMEMC_SAVE_GET_POOL_UUID 18
|
|
#define TMEMC_SAVE_GET_NEXT_PAGE 19
|
|
#define TMEMC_SAVE_GET_NEXT_INV 20
|
|
#define TMEMC_SAVE_END 21
|
|
#define TMEMC_RESTORE_BEGIN 30
|
|
#define TMEMC_RESTORE_PUT_PAGE 32
|
|
#define TMEMC_RESTORE_FLUSH_PAGE 33
|
|
|
|
/* Bits for HYPERVISOR_tmem_op(TMEM_NEW_POOL) */
|
|
#define TMEM_POOL_PERSIST 1
|
|
#define TMEM_POOL_SHARED 2
|
|
#define TMEM_POOL_PRECOMPRESSED 4
|
|
#define TMEM_POOL_PAGESIZE_SHIFT 4
|
|
#define TMEM_POOL_PAGESIZE_MASK 0xf
|
|
#define TMEM_POOL_VERSION_SHIFT 24
|
|
#define TMEM_POOL_VERSION_MASK 0xff
|
|
#define TMEM_POOL_RESERVED_BITS 0x00ffff00
|
|
|
|
/* Bits for client flags (save/restore) */
|
|
#define TMEM_CLIENT_COMPRESS 1
|
|
#define TMEM_CLIENT_FROZEN 2
|
|
|
|
/* Special errno values */
|
|
#define EFROZEN 1000
|
|
#define EEMPTY 1001
|
|
|
|
|
|
#ifndef __ASSEMBLY__
|
|
typedef xen_pfn_t tmem_cli_mfn_t;
|
|
typedef XEN_GUEST_HANDLE(char) tmem_cli_va_t;
|
|
struct tmem_op {
|
|
uint32_t cmd;
|
|
int32_t pool_id;
|
|
union {
|
|
struct {
|
|
uint64_t uuid[2];
|
|
uint32_t flags;
|
|
uint32_t arg1;
|
|
} creat; /* for cmd == TMEM_NEW_POOL, TMEM_AUTH, TMEM_RESTORE_NEW */
|
|
struct {
|
|
uint32_t subop;
|
|
uint32_t cli_id;
|
|
uint32_t arg1;
|
|
uint32_t arg2;
|
|
uint64_t oid[3];
|
|
tmem_cli_va_t buf;
|
|
} ctrl; /* for cmd == TMEM_CONTROL */
|
|
struct {
|
|
|
|
uint64_t oid[3];
|
|
uint32_t index;
|
|
uint32_t tmem_offset;
|
|
uint32_t pfn_offset;
|
|
uint32_t len;
|
|
tmem_cli_mfn_t cmfn; /* client machine page frame */
|
|
} gen; /* for all other cmd ("generic") */
|
|
} u;
|
|
};
|
|
typedef struct tmem_op tmem_op_t;
|
|
DEFINE_XEN_GUEST_HANDLE(tmem_op_t);
|
|
|
|
struct tmem_handle {
|
|
uint32_t pool_id;
|
|
uint32_t index;
|
|
uint64_t oid[3];
|
|
};
|
|
#endif
|
|
|
|
#endif /* __XEN_PUBLIC_TMEM_H__ */
|
|
|
|
/*
|
|
* Local variables:
|
|
* mode: C
|
|
* c-set-style: "BSD"
|
|
* c-basic-offset: 4
|
|
* tab-width: 4
|
|
* indent-tabs-mode: nil
|
|
* End:
|
|
*/
|