/* * 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 occurred */ #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 occurred */ #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 */ |