mirror of https://gitee.com/openkylin/linux.git
99 lines
4.1 KiB
C
99 lines
4.1 KiB
C
/*
|
|
* ePAPR hcall interface
|
|
*
|
|
* Copyright 2008-2011 Freescale Semiconductor, Inc.
|
|
*
|
|
* Author: Timur Tabi <timur@freescale.com>
|
|
*
|
|
* This file is provided under a dual BSD/GPL license. When using or
|
|
* redistributing this file, you may do so under either license.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions are met:
|
|
* * Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* * Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution.
|
|
* * Neither the name of Freescale Semiconductor nor the
|
|
* names of its contributors may be used to endorse or promote products
|
|
* derived from this software without specific prior written permission.
|
|
*
|
|
*
|
|
* ALTERNATIVELY, this software may be distributed under the terms of the
|
|
* GNU General Public License ("GPL") as published by the Free Software
|
|
* Foundation, either version 2 of that License or (at your option) any
|
|
* later version.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY Freescale Semiconductor ``AS IS'' AND ANY
|
|
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
|
|
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
|
|
* DISCLAIMED. IN NO EVENT SHALL Freescale Semiconductor BE LIABLE FOR ANY
|
|
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
|
|
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
|
|
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
|
|
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
|
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
|
|
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
*/
|
|
|
|
#ifndef _UAPI_ASM_POWERPC_EPAPR_HCALLS_H
|
|
#define _UAPI_ASM_POWERPC_EPAPR_HCALLS_H
|
|
|
|
#define EV_BYTE_CHANNEL_SEND 1
|
|
#define EV_BYTE_CHANNEL_RECEIVE 2
|
|
#define EV_BYTE_CHANNEL_POLL 3
|
|
#define EV_INT_SET_CONFIG 4
|
|
#define EV_INT_GET_CONFIG 5
|
|
#define EV_INT_SET_MASK 6
|
|
#define EV_INT_GET_MASK 7
|
|
#define EV_INT_IACK 9
|
|
#define EV_INT_EOI 10
|
|
#define EV_INT_SEND_IPI 11
|
|
#define EV_INT_SET_TASK_PRIORITY 12
|
|
#define EV_INT_GET_TASK_PRIORITY 13
|
|
#define EV_DOORBELL_SEND 14
|
|
#define EV_MSGSND 15
|
|
#define EV_IDLE 16
|
|
|
|
/* vendor ID: epapr */
|
|
#define EV_LOCAL_VENDOR_ID 0 /* for private use */
|
|
#define EV_EPAPR_VENDOR_ID 1
|
|
#define EV_FSL_VENDOR_ID 2 /* Freescale Semiconductor */
|
|
#define EV_IBM_VENDOR_ID 3 /* IBM */
|
|
#define EV_GHS_VENDOR_ID 4 /* Green Hills Software */
|
|
#define EV_ENEA_VENDOR_ID 5 /* Enea */
|
|
#define EV_WR_VENDOR_ID 6 /* Wind River Systems */
|
|
#define EV_AMCC_VENDOR_ID 7 /* Applied Micro Circuits */
|
|
#define EV_KVM_VENDOR_ID 42 /* KVM */
|
|
|
|
/* The max number of bytes that a byte channel can send or receive per call */
|
|
#define EV_BYTE_CHANNEL_MAX_BYTES 16
|
|
|
|
|
|
#define _EV_HCALL_TOKEN(id, num) (((id) << 16) | (num))
|
|
#define EV_HCALL_TOKEN(hcall_num) _EV_HCALL_TOKEN(EV_EPAPR_VENDOR_ID, hcall_num)
|
|
|
|
/* epapr return codes */
|
|
#define EV_SUCCESS 0
|
|
#define EV_EPERM 1 /* Operation not permitted */
|
|
#define EV_ENOENT 2 /* Entry Not Found */
|
|
#define EV_EIO 3 /* I/O error occured */
|
|
#define EV_EAGAIN 4 /* The operation had insufficient
|
|
* resources to complete and should be
|
|
* retried
|
|
*/
|
|
#define EV_ENOMEM 5 /* There was insufficient memory to
|
|
* complete the operation */
|
|
#define EV_EFAULT 6 /* Bad guest address */
|
|
#define EV_ENODEV 7 /* No such device */
|
|
#define EV_EINVAL 8 /* An argument supplied to the hcall
|
|
was out of range or invalid */
|
|
#define EV_INTERNAL 9 /* An internal error occured */
|
|
#define EV_CONFIG 10 /* A configuration error was detected */
|
|
#define EV_INVALID_STATE 11 /* The object is in an invalid state */
|
|
#define EV_UNIMPLEMENTED 12 /* Unimplemented hypercall */
|
|
#define EV_BUFFER_OVERFLOW 13 /* Caller-supplied buffer too small */
|
|
|
|
#endif /* _UAPI_ASM_POWERPC_EPAPR_HCALLS_H */
|