1*4882a593Smuzhiyun /* SPDX-License-Identifier: ((GPL-2.0+ WITH Linux-syscall-note) OR BSD-3-Clause) */ 2*4882a593Smuzhiyun /* 3*4882a593Smuzhiyun * ePAPR hcall interface 4*4882a593Smuzhiyun * 5*4882a593Smuzhiyun * Copyright 2008-2011 Freescale Semiconductor, Inc. 6*4882a593Smuzhiyun * 7*4882a593Smuzhiyun * Author: Timur Tabi <timur@freescale.com> 8*4882a593Smuzhiyun * 9*4882a593Smuzhiyun * This file is provided under a dual BSD/GPL license. When using or 10*4882a593Smuzhiyun * redistributing this file, you may do so under either license. 11*4882a593Smuzhiyun * 12*4882a593Smuzhiyun * Redistribution and use in source and binary forms, with or without 13*4882a593Smuzhiyun * modification, are permitted provided that the following conditions are met: 14*4882a593Smuzhiyun * * Redistributions of source code must retain the above copyright 15*4882a593Smuzhiyun * notice, this list of conditions and the following disclaimer. 16*4882a593Smuzhiyun * * Redistributions in binary form must reproduce the above copyright 17*4882a593Smuzhiyun * notice, this list of conditions and the following disclaimer in the 18*4882a593Smuzhiyun * documentation and/or other materials provided with the distribution. 19*4882a593Smuzhiyun * * Neither the name of Freescale Semiconductor nor the 20*4882a593Smuzhiyun * names of its contributors may be used to endorse or promote products 21*4882a593Smuzhiyun * derived from this software without specific prior written permission. 22*4882a593Smuzhiyun * 23*4882a593Smuzhiyun * 24*4882a593Smuzhiyun * ALTERNATIVELY, this software may be distributed under the terms of the 25*4882a593Smuzhiyun * GNU General Public License ("GPL") as published by the Free Software 26*4882a593Smuzhiyun * Foundation, either version 2 of that License or (at your option) any 27*4882a593Smuzhiyun * later version. 28*4882a593Smuzhiyun * 29*4882a593Smuzhiyun * THIS SOFTWARE IS PROVIDED BY Freescale Semiconductor ``AS IS'' AND ANY 30*4882a593Smuzhiyun * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 31*4882a593Smuzhiyun * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 32*4882a593Smuzhiyun * DISCLAIMED. IN NO EVENT SHALL Freescale Semiconductor BE LIABLE FOR ANY 33*4882a593Smuzhiyun * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 34*4882a593Smuzhiyun * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 35*4882a593Smuzhiyun * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND 36*4882a593Smuzhiyun * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 37*4882a593Smuzhiyun * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 38*4882a593Smuzhiyun * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 39*4882a593Smuzhiyun */ 40*4882a593Smuzhiyun 41*4882a593Smuzhiyun #ifndef _UAPI_ASM_POWERPC_EPAPR_HCALLS_H 42*4882a593Smuzhiyun #define _UAPI_ASM_POWERPC_EPAPR_HCALLS_H 43*4882a593Smuzhiyun 44*4882a593Smuzhiyun #define EV_BYTE_CHANNEL_SEND 1 45*4882a593Smuzhiyun #define EV_BYTE_CHANNEL_RECEIVE 2 46*4882a593Smuzhiyun #define EV_BYTE_CHANNEL_POLL 3 47*4882a593Smuzhiyun #define EV_INT_SET_CONFIG 4 48*4882a593Smuzhiyun #define EV_INT_GET_CONFIG 5 49*4882a593Smuzhiyun #define EV_INT_SET_MASK 6 50*4882a593Smuzhiyun #define EV_INT_GET_MASK 7 51*4882a593Smuzhiyun #define EV_INT_IACK 9 52*4882a593Smuzhiyun #define EV_INT_EOI 10 53*4882a593Smuzhiyun #define EV_INT_SEND_IPI 11 54*4882a593Smuzhiyun #define EV_INT_SET_TASK_PRIORITY 12 55*4882a593Smuzhiyun #define EV_INT_GET_TASK_PRIORITY 13 56*4882a593Smuzhiyun #define EV_DOORBELL_SEND 14 57*4882a593Smuzhiyun #define EV_MSGSND 15 58*4882a593Smuzhiyun #define EV_IDLE 16 59*4882a593Smuzhiyun 60*4882a593Smuzhiyun /* vendor ID: epapr */ 61*4882a593Smuzhiyun #define EV_LOCAL_VENDOR_ID 0 /* for private use */ 62*4882a593Smuzhiyun #define EV_EPAPR_VENDOR_ID 1 63*4882a593Smuzhiyun #define EV_FSL_VENDOR_ID 2 /* Freescale Semiconductor */ 64*4882a593Smuzhiyun #define EV_IBM_VENDOR_ID 3 /* IBM */ 65*4882a593Smuzhiyun #define EV_GHS_VENDOR_ID 4 /* Green Hills Software */ 66*4882a593Smuzhiyun #define EV_ENEA_VENDOR_ID 5 /* Enea */ 67*4882a593Smuzhiyun #define EV_WR_VENDOR_ID 6 /* Wind River Systems */ 68*4882a593Smuzhiyun #define EV_AMCC_VENDOR_ID 7 /* Applied Micro Circuits */ 69*4882a593Smuzhiyun #define EV_KVM_VENDOR_ID 42 /* KVM */ 70*4882a593Smuzhiyun 71*4882a593Smuzhiyun /* The max number of bytes that a byte channel can send or receive per call */ 72*4882a593Smuzhiyun #define EV_BYTE_CHANNEL_MAX_BYTES 16 73*4882a593Smuzhiyun 74*4882a593Smuzhiyun 75*4882a593Smuzhiyun #define _EV_HCALL_TOKEN(id, num) (((id) << 16) | (num)) 76*4882a593Smuzhiyun #define EV_HCALL_TOKEN(hcall_num) _EV_HCALL_TOKEN(EV_EPAPR_VENDOR_ID, hcall_num) 77*4882a593Smuzhiyun 78*4882a593Smuzhiyun /* epapr return codes */ 79*4882a593Smuzhiyun #define EV_SUCCESS 0 80*4882a593Smuzhiyun #define EV_EPERM 1 /* Operation not permitted */ 81*4882a593Smuzhiyun #define EV_ENOENT 2 /* Entry Not Found */ 82*4882a593Smuzhiyun #define EV_EIO 3 /* I/O error occurred */ 83*4882a593Smuzhiyun #define EV_EAGAIN 4 /* The operation had insufficient 84*4882a593Smuzhiyun * resources to complete and should be 85*4882a593Smuzhiyun * retried 86*4882a593Smuzhiyun */ 87*4882a593Smuzhiyun #define EV_ENOMEM 5 /* There was insufficient memory to 88*4882a593Smuzhiyun * complete the operation */ 89*4882a593Smuzhiyun #define EV_EFAULT 6 /* Bad guest address */ 90*4882a593Smuzhiyun #define EV_ENODEV 7 /* No such device */ 91*4882a593Smuzhiyun #define EV_EINVAL 8 /* An argument supplied to the hcall 92*4882a593Smuzhiyun was out of range or invalid */ 93*4882a593Smuzhiyun #define EV_INTERNAL 9 /* An internal error occurred */ 94*4882a593Smuzhiyun #define EV_CONFIG 10 /* A configuration error was detected */ 95*4882a593Smuzhiyun #define EV_INVALID_STATE 11 /* The object is in an invalid state */ 96*4882a593Smuzhiyun #define EV_UNIMPLEMENTED 12 /* Unimplemented hypercall */ 97*4882a593Smuzhiyun #define EV_BUFFER_OVERFLOW 13 /* Caller-supplied buffer too small */ 98*4882a593Smuzhiyun 99*4882a593Smuzhiyun #endif /* _UAPI_ASM_POWERPC_EPAPR_HCALLS_H */ 100