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 58