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u0.isal.status_descriptor
Set by the caller to indicate the buffer for status data.
u0.isal.minor_function
Set by the caller to one of the ISAL Manager Commands that is defined in the
/usr/include/ipn/ipnsal.h file and listed at the start of the description of this
operation.
Note: Structures are provided in the /usr/include/ipn/ipnsal.h file. This file can be
used to format the contents of the parameter buffer for the various commands.
The resource ID that is located in the first four bytes of the parameter buffer is
always overwritten with the correct Resource ID for the device by the device
driver.
Return Values
If the command was successfully sent to the adapter card, this operation returns a
value of 0. Otherwise, a value of -1 is returned, and the errno global variable set to one
of the following values:
EIO Indicates an unrecoverable I/O error.
EINVAL
Indicates that the caller has specified an ISAL manager command that is not in
the list of supported ISAL manager commands. (The commands are listed at
the start of the description of this operation.)
EPERM
Indicates that caller did not have an effective user ID (EUID) of 0.
ENOMEM
Indicates that the device driver was unable to allocate or pin enough memory
to complete the operation.
If the return code is 0, the result field of the ssadisk_ioctl_parms structure is valid.
The return code indicates whether the adapter was able to process the command
successfully.
Files
/dev/pdisk0, /dev/pdisk1, ..., /dev/pdiskn
Provide an interface to allow SSA device drivers to access physical SSA disks.
/dev/hdisk0, /dev/hdisk1,..., /dev/hdiskn
Provide an interface to allow SSA device drivers to access logical SSA disks.
282 User’s Guide and Maintenance Information