MPATH\_PERSISTENT\_RESERVE\_IN(3) Library Functions Manual MPATH\_PERSISTENT\_RESERVE\_IN(3)

# [NAME](#NAME)

mpath\_persistent\_reserve\_in - send PRIN command to DM device

# [SYNOPSIS](#SYNOPSIS)

**#include <mpath\_persist.h>**

**int mpath\_persistent\_reserve\_in(int fd, int rq\_servact, struct prin\_resp \*resp, int noisy, int verbose)**

# [DESCRIPTION](#DESCRIPTION)

The function in the **mpath\_persistent\_reserve\_in ()** sends PRIN command to the DM device and gets the response.

[**Parameters:**](#Parameters:)

[*fd*](#fd)

The file descriptor of a multipath device. Input argument.

[*rq\_servact*](#rq_servact)

PRIN command service action. Input argument.

[*resp*](#resp)

The response from PRIN service action. The caller should manage the memory allocation of this structure.

[*noisy*](#noisy)

Turn on debugging trace: Input argument. 0->Disable, 1->Enable.

[*verbose*](#verbose)

Set verbosity level. Input argument. value:\[0-3]. 0->Errors, 1->Warnings, 2->Info, 3->Debug.

# [RETURNS](#RETURNS)

[**MPATH\_PR\_SUCCESS**](#MPATH_PR_SUCCESS)

If PR command successful.

[**MPATH\_PR\_SYNTAX\_ERROR**](#MPATH_PR_SYNTAX_ERROR)

If syntax error or invalid parameter.

[**MPATH\_PR\_SENSE\_NOT\_READY**](#MPATH_PR_SENSE_NOT_READY)

If command fails with \[sk,asc,ascq: 0x2,\*,\*].

[**MPATH\_PR\_SENSE\_MEDIUM\_ERROR**](#MPATH_PR_SENSE_MEDIUM_ERROR)

If command fails with \[sk,asc,ascq: 0x3,\*,\*].

[**MPATH\_PR\_SENSE\_HARDWARE\_ERROR**](#MPATH_PR_SENSE_HARDWARE_ERROR)

If command fails with \[sk,asc,ascq: 0x4,\*,\*].

[**MPATH\_PR\_SENSE\_INVALID\_OP**](#MPATH_PR_SENSE_INVALID_OP)

If command fails with \[sk,asc,ascq: 0x5,0x20,0x0].

[**MPATH\_PR\_ILLEGAL\_REQ**](#MPATH_PR_ILLEGAL_REQ)

If command fails with \[sk,asc,ascq: 0x5,\*,\*].

[**MPATH\_PR\_SENSE\_UNIT\_ATTENTION**](#MPATH_PR_SENSE_UNIT_ATTENTION)

If command fails with \[sk,asc,ascq: 0x6,\*,\*].

[**MPATH\_PR\_SENSE\_ABORTED\_COMMAND**](#MPATH_PR_SENSE_ABORTED_COMMAND)

If command fails with \[sk,asc,ascq: 0xb,\*,\*].

[**MPATH\_PR\_NO\_SENSE**](#MPATH_PR_NO_SENSE)

If command fails with \[sk,asc,ascq: 0x0,\*,\*].

[**MPATH\_PR\_SENSE\_MALFORMED**](#MPATH_PR_SENSE_MALFORMED)

If command fails with SCSI command malformed.

[**MPATH\_PR\_FILE\_ERROR**](#MPATH_PR_FILE_ERROR)

If command fails while accessing file (device node) problems(e.g. not found).

[**MPATH\_PR\_DMMP\_ERROR**](#MPATH_PR_DMMP_ERROR)

If Device Mapper related error.(e.g Error in getting dm info).

[**MPATH\_PR\_OTHER**](#MPATH_PR_OTHER)

If other error/warning has occurred(e.g transport or driver error).

# [SEE ALSO](#SEE_ALSO)

[**mpathpersist**(8)](/man/os/multipath-tools/mpathpersist.8).

# [AUTHORS](#AUTHORS)

*multipath-tools* was developed by Christophe Varoqui <christophe.varoqui@opensvc.com> and others.

2024-02-09 Linux

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Document: mpath_persistent_reserve_in(3) from multipath-tools 0.15.1-r0 (Chainguard OS)
Source: https://github.com/opensvc/multipath-tools