target/ppc: Add support for scv and rfscv instructions
[qemu/ar7.git] / linux-headers / linux / vfio_ccw.h
blobfcc3e69ef526444601cb22d1765a9ae936690485
1 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
2 /*
3 * Interfaces for vfio-ccw
5 * Copyright IBM Corp. 2017
7 * Author(s): Dong Jia Shi <bjsdjshi@linux.vnet.ibm.com>
8 */
10 #ifndef _VFIO_CCW_H_
11 #define _VFIO_CCW_H_
13 #include <linux/types.h>
15 /* used for START SUBCHANNEL, always present */
16 struct ccw_io_region {
17 #define ORB_AREA_SIZE 12
18 __u8 orb_area[ORB_AREA_SIZE];
19 #define SCSW_AREA_SIZE 12
20 __u8 scsw_area[SCSW_AREA_SIZE];
21 #define IRB_AREA_SIZE 96
22 __u8 irb_area[IRB_AREA_SIZE];
23 __u32 ret_code;
24 } __attribute__((packed));
27 * used for processing commands that trigger asynchronous actions
28 * Note: this is controlled by a capability
30 #define VFIO_CCW_ASYNC_CMD_HSCH (1 << 0)
31 #define VFIO_CCW_ASYNC_CMD_CSCH (1 << 1)
32 struct ccw_cmd_region {
33 __u32 command;
34 __u32 ret_code;
35 } __attribute__((packed));
37 #endif