| /* SPDX-License-Identifier: GPL-2.0 */ |
| #ifndef _VME_USER_H_ |
| #define _VME_USER_H_ |
| |
| #define VME_USER_BUS_MAX 1 |
| |
| /* |
| * VMEbus Master Window Configuration Structure |
| */ |
| struct vme_master { |
| __u32 enable; /* State of Window */ |
| __u64 vme_addr; /* Starting Address on the VMEbus */ |
| __u64 size; /* Window Size */ |
| __u32 aspace; /* Address Space */ |
| __u32 cycle; /* Cycle properties */ |
| __u32 dwidth; /* Maximum Data Width */ |
| #if 0 |
| char prefetchenable; /* Prefetch Read Enable State */ |
| int prefetchsize; /* Prefetch Read Size (Cache Lines) */ |
| char wrpostenable; /* Write Post State */ |
| #endif |
| } __packed; |
| |
| /* |
| * IOCTL Commands and structures |
| */ |
| |
| /* Magic number for use in ioctls */ |
| #define VME_IOC_MAGIC 0xAE |
| |
| /* VMEbus Slave Window Configuration Structure */ |
| struct vme_slave { |
| __u32 enable; /* State of Window */ |
| __u64 vme_addr; /* Starting Address on the VMEbus */ |
| __u64 size; /* Window Size */ |
| __u32 aspace; /* Address Space */ |
| __u32 cycle; /* Cycle properties */ |
| #if 0 |
| char wrpostenable; /* Write Post State */ |
| char rmwlock; /* Lock PCI during RMW Cycles */ |
| char data64bitcapable; /* non-VMEbus capable of 64-bit Data */ |
| #endif |
| } __packed; |
| |
| struct vme_irq_id { |
| __u8 level; |
| __u8 statid; |
| }; |
| |
| #define VME_GET_SLAVE _IOR(VME_IOC_MAGIC, 1, struct vme_slave) |
| #define VME_SET_SLAVE _IOW(VME_IOC_MAGIC, 2, struct vme_slave) |
| #define VME_GET_MASTER _IOR(VME_IOC_MAGIC, 3, struct vme_master) |
| #define VME_SET_MASTER _IOW(VME_IOC_MAGIC, 4, struct vme_master) |
| #define VME_IRQ_GEN _IOW(VME_IOC_MAGIC, 5, struct vme_irq_id) |
| |
| #endif /* _VME_USER_H_ */ |
| |
