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 */
10 struct 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 */
32 struct 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
45 struct 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