1. NAME▲

pci_read_legacy_io - read byte(s) from legacy I/O port space

2. SYNOPSIS ▲

ssize_t pci_read_legacy_io(struct file *  filp , struct kobject *  kobj , struct bin_attribute *  bin_attr , char *  buf , loff_t  off , size_t  count );

3. ARGUMENTS ▲

filp
    open sysfs file

kobj
    kobject corresponding to file to read from

bin_attr
    struct bin_attribute for this file

buf
    buffer to store results

off
    offset into legacy I/O port space

count
    number of bytes to read

4. DESCRIPTION ▲

Reads 1, 2, or 4 bytes from legacy I/O port space using an arch specific callback routine (pci_legacy_read).

5. COPYRIGHT ▲