1/* SPDX-License-Identifier: GPL-2.0 */
2#ifndef _VME_USER_H_
3#define _VME_USER_H_
4
5#define VME_USER_BUS_MAX	1
6
7/*
8 * VMEbus Master Window Configuration Structure
9 */
10struct vme_master {
11	__u32 enable;		/* State of Window */
12	__u64 vme_addr;		/* Starting Address on the VMEbus */
13	__u64 size;		/* Window Size */
14	__u32 aspace;		/* Address Space */
15	__u32 cycle;		/* Cycle properties */
16	__u32 dwidth;		/* Maximum Data Width */
17#if 0
18	char prefetchenable;		/* Prefetch Read Enable State */
19	int prefetchsize;		/* Prefetch Read Size (Cache Lines) */
20	char wrpostenable;		/* Write Post State */
21#endif
22} __packed;
23
24/*
25 * IOCTL Commands and structures
26 */
27
28/* Magic number for use in ioctls */
29#define VME_IOC_MAGIC 0xAE
30
31/* VMEbus Slave Window Configuration Structure */
32struct vme_slave {
33	__u32 enable;		/* State of Window */
34	__u64 vme_addr;		/* Starting Address on the VMEbus */
35	__u64 size;		/* Window Size */
36	__u32 aspace;		/* Address Space */
37	__u32 cycle;		/* Cycle properties */
38#if 0
39	char wrpostenable;		/* Write Post State */
40	char rmwlock;			/* Lock PCI during RMW Cycles */
41	char data64bitcapable;		/* non-VMEbus capable of 64-bit Data */
42#endif
43} __packed;
44
45struct vme_irq_id {
46	__u8 level;
47	__u8 statid;
48};
49
50#define VME_GET_SLAVE _IOR(VME_IOC_MAGIC, 1, struct vme_slave)
51#define VME_SET_SLAVE _IOW(VME_IOC_MAGIC, 2, struct vme_slave)
52#define VME_GET_MASTER _IOR(VME_IOC_MAGIC, 3, struct vme_master)
53#define VME_SET_MASTER _IOW(VME_IOC_MAGIC, 4, struct vme_master)
54#define VME_IRQ_GEN _IOW(VME_IOC_MAGIC, 5, struct vme_irq_id)
55
56#endif /* _VME_USER_H_ */
57
58