| /* SPDX-License-Identifier: ((GPL-2.0+ WITH Linux-syscall-note) OR BSD-3-Clause) */ |
| /* |
| * 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 _ASM_POWERPC_EPAPR_HCALLS_H |
| #define _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 /* _ASM_POWERPC_EPAPR_HCALLS_H */ |
