| 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¶
| May 2024 | Kernel Hackers Manual 2.6. |