nvme_init_write_zeros-libnvme32
Initialize passthru command for a write zeroes command
Usage
void nvme_init_write_zeros (struct libnvme_passthru_cmd *cmd , __u32 nsid , __u64 slba , __u16 nlb , __u16 control , __u16 dspec , __u8 dsm , __u8 cev );
Arguments
cmd
|
Passthru command to use |
|---|---|
nsid
|
Namespace ID |
slba
|
Starting logical block |
nlb
|
Number of logical blocks (0-based) |
control
|
Upper 16 bits of cdw12 |
dspec
|
Directive specific value |
dsm
|
Data set management attributes (CETYPE is zero), see enum nvme_io_dsm_flags |
cev
|
Command Extension Value (CETYPE is non-zero) |
Overview
Initializes the passthru command buffer for the Write Zeroes command.
Note
Write Zeroes command does not transfer data or metadata.