.TH "libnvmf_kernel_options_for_each" 9 "libnvmf_kernel_options_for_each" "October 2026" "libnvme API manual" LINUX
.SH NAME
libnvmf_kernel_options_for_each \- Iterate over the kernel's options
.SH SYNOPSIS
.B "int" libnvmf_kernel_options_for_each
.BI "(struct libnvme_global_ctx *ctx "  ","
.BI "void (*callback)(const char *name, void *user_data) "  ","
.BI "void *user_data "  ");"
.SH ARGUMENTS
.IP "ctx" 12
libnvme global context
.IP "callback" 12
Called once per option name
.IP "user_data" 12
Caller context passed to \fIcallback\fP, may be NULL
.SH "DESCRIPTION"
See \fBlibnvmf_kernel_option_supported\fP for how the options are read.
.SH "RETURN"
0 on success, -EINVAL if \fIctx\fP or \fIcallback\fP is NULL, -EOPNOTSUPP
if the kernel does not list its options (Linux < 5.17), or another
negative error code.