| 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 | |
|---|
