projects / linux-block.git / blame
| Commit | Line | Data |
|---|---|---|
| b2441318 | 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
| 238add52 MW |
2 | #ifndef _VME_USER_H_ |
| 3 | #define _VME_USER_H_ | |
| 4 | ||
| 0a4b6b02 | 5 | #define VME_USER_BUS_MAX 1 |
| f00a86d9 MW |
6 | |
| 7 | /* | |
| 8 | * VMEbus Master Window Configuration Structure | |
| 9 | */ | |
| 238add52 | 10 | struct vme_master { |
| 7e4290c6 AS |
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 */ | |
| f00a86d9 | 17 | #if 0 |
| f827c165 LN |
18 | char prefetchenable; /* Prefetch Read Enable State */ |
| 19 | int prefetchsize; /* Prefetch Read Size (Cache Lines) */ | |
| 20 | char wrpostenable; /* Write Post State */ | |
| f00a86d9 | 21 | #endif |
| 66a01f11 | 22 | } __packed; |
| f00a86d9 | 23 | |
| f00a86d9 MW |
24 | /* |
| 25 | * IOCTL Commands and structures | |
| 26 | */ | |
| 27 | ||
| 28 | /* Magic number for use in ioctls */ | |
| 29 | #define VME_IOC_MAGIC 0xAE | |
| 30 | ||
| f00a86d9 | 31 | /* VMEbus Slave Window Configuration Structure */ |
| 238add52 | 32 | struct vme_slave { |
| 7e4290c6 AS |
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 */ | |
| f00a86d9 | 38 | #if 0 |
| f827c165 LN |
39 | char wrpostenable; /* Write Post State */ |
| 40 | char rmwlock; /* Lock PCI during RMW Cycles */ | |
| 41 | char data64bitcapable; /* non-VMEbus capable of 64-bit Data */ | |
| f00a86d9 | 42 | #endif |
| 66a01f11 | 43 | } __packed; |
| 238add52 | 44 | |
| dca22184 VB |
45 | struct vme_irq_id { |
| 46 | __u8 level; | |
| 47 | __u8 statid; | |
| 48 | }; | |
| 49 | ||
| 238add52 MW |
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) | |
| dca22184 | 54 | #define VME_IRQ_GEN _IOW(VME_IOC_MAGIC, 5, struct vme_irq_id) |
| f00a86d9 | 55 | |
| 238add52 | 56 | #endif /* _VME_USER_H_ */ |
| f00a86d9 | 57 |