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