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ia64/xen: xencomm conversion functions for hypercalls

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On ia64/xen, pointer arguments for hypercall is passed
by pseudo physical address(guest physical address.)
So such hypercalls needs address conversion functions.
This patch implements concrete conversion functions for
such hypercalls.

Signed-off-by: Akio Takebe <takebe_akio@jp.fujitsu.com>
Signed-off-by: Yaozu (Eddie) Dong <eddie.dong@intel.com>
Signed-off-by: Isaku Yamahata <yamahata@valinux.co.jp>
Signed-off-by: Tony Luck <tony.luck@intel.com>
This commit is contained in:
Isaku Yamahata
2008-10-17 11:17:54 +09:00
committed by Tony Luck
parent 11d437789d
commit f021c8b334
5 changed files with 505 additions and 1 deletions
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51
arch/ia64/include/asm/xen/xcom_hcall.h Normal file
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/*
* Copyright (C) 2006 Tristan Gingold <tristan.gingold@bull.net>, Bull SAS
*
* 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; either version 2 of the License, or
* (at your option) any 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#ifndef _ASM_IA64_XEN_XCOM_HCALL_H
#define _ASM_IA64_XEN_XCOM_HCALL_H
/* These function creates inline or mini descriptor for the parameters and
calls the corresponding xencomm_arch_hypercall_X.
Architectures should defines HYPERVISOR_xxx as xencomm_hypercall_xxx unless
they want to use their own wrapper. */
extern int xencomm_hypercall_console_io(int cmd, int count, char *str);
extern int xencomm_hypercall_event_channel_op(int cmd, void *op);
extern int xencomm_hypercall_xen_version(int cmd, void *arg);
extern int xencomm_hypercall_physdev_op(int cmd, void *op);
extern int xencomm_hypercall_grant_table_op(unsigned int cmd, void *op,
unsigned int count);
extern int xencomm_hypercall_sched_op(int cmd, void *arg);
extern int xencomm_hypercall_multicall(void *call_list, int nr_calls);
extern int xencomm_hypercall_callback_op(int cmd, void *arg);
extern int xencomm_hypercall_memory_op(unsigned int cmd, void *arg);
extern int xencomm_hypercall_suspend(unsigned long srec);
extern long xencomm_hypercall_vcpu_op(int cmd, int cpu, void *arg);
extern long xencomm_hypercall_opt_feature(void *arg);
#endif /* _ASM_IA64_XEN_XCOM_HCALL_H */