STRUCT UIO_INFO(9)                Device drivers infrastructure                STRUCT UIO_INFO(9)



NAME
       struct_uio_info - UIO device capabilities

SYNOPSIS
       struct uio_info {
         struct uio_device * uio_dev;
         const char * name;
         const char * version;
         struct uio_mem mem[MAX_UIO_MAPS];
         struct uio_port port[MAX_UIO_PORT_REGIONS];
         long irq;
         unsigned long irq_flags;
         void * priv;
         irqreturn_t (* handler) (int irq, struct uio_info *dev_info);
         int (* mmap) (struct uio_info *info, struct vm_area_struct *vma);
         int (* open) (struct uio_info *info, struct inode *inode);
         int (* release) (struct uio_info *info, struct inode *inode);
         int (* irqcontrol) (struct uio_info *info, s32 irq_on);
       };

MEMBERS
       uio_dev
           the UIO device this info belongs to

       name
           device name

       version
           device driver version

       mem[MAX_UIO_MAPS]
           list of mappable memory regions, size==0 for end of list

       port[MAX_UIO_PORT_REGIONS]
           list of port regions, size==0 for end of list

       irq
           interrupt number or UIO_IRQ_CUSTOM

       irq_flags
           flags for request_irq

       priv
           optional private data

       handler
           the device's irq handler

       mmap
           mmap operation for this uio device

       open
           open operation for this uio device

       release
           release operation for this uio device

       irqcontrol
           disable/enable irqs when 0/1 is written to /dev/uioX

COPYRIGHT
Kernel Hackers Manual 4.8.                 January 2017                        STRUCT UIO_INFO(9)