| CCW_DEVICE_GET_CIW(9) | The ccw bus | CCW_DEVICE_GET_CIW(9) |
NAME¶
ccw_device_get_ciw - Search for CIW command in extended sense data.
SYNOPSIS¶
struct ciw * ccw_device_get_ciw(struct ccw_device * cdev, __u32 ct);
ARGUMENTS¶
cdev
ccw device to inspect
ct
command type to look for
DESCRIPTION¶
During SenseID, command information words (CIWs) describing special commands available to the device may have been stored in the extended sense data. This function searches for CIWs of a specified command type in the extended sense data.
RETURNS¶
NULL if no extended sense data has been stored or if no CIW of the specified command type could be found, else a pointer to the CIW of the specified command type.
AUTHOR¶
Cornelia Huck <cornelia.huck@de.ibm.com>
Author.
COPYRIGHT¶
| May 2024 | Kernel Hackers Manual 2.6. |