diff options
Diffstat (limited to 'drivers/staging/vme_user/vme_user.h')
-rw-r--r-- | drivers/staging/vme_user/vme_user.h | 57 |
1 files changed, 57 insertions, 0 deletions
diff --git a/drivers/staging/vme_user/vme_user.h b/drivers/staging/vme_user/vme_user.h new file mode 100644 index 000000000000..19ecb05781cc --- /dev/null +++ b/drivers/staging/vme_user/vme_user.h @@ -0,0 +1,57 @@ +/* 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_ */ + |