LXR linux/drivers/staging/vme/devices/vme

   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 */
  10struct 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 */
  32struct 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
  45struct 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