.TH "libnvmf_kernel_option_supported" 9 "libnvmf_kernel_option_supported" "October 2026" "libnvme API manual" LINUX
.SH NAME
libnvmf_kernel_option_supported \- Check if the kernel supports an option
.SH SYNOPSIS
.B "int" libnvmf_kernel_option_supported
.BI "(struct libnvme_global_ctx *ctx "  ","
.BI "const char *name "  ","
.BI "bool *supported "  ");"
.SH ARGUMENTS
.IP "ctx" 12
libnvme global context
.IP "name" 12
Option name as the kernel lists it in /dev/nvme-fabrics,
e.g. "discovery", "tls", "ctrl_loss_tmo"
.IP "supported" 12
Set to true if the kernel supports \fIname\fP
.SH "DESCRIPTION"
The options are read from /dev/nvme-fabrics once per \fIctx\fP. The read
blocks while another process connects a controller.
.SH "RETURN"
0 on success, -EINVAL if an argument is NULL, -EOPNOTSUPP if
the kernel does not list its options (Linux < 5.17), or another
negative error code.