From 3945f3269b3e2763faa1ab22d225ca4dd1856b82 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Thu, 14 Jul 2022 20:53:09 +0200 Subject: Adding upstream version 1.0. Signed-off-by: Daniel Baumann --- doc/man/nvme_io_passthru.2 | 71 ++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 71 insertions(+) create mode 100644 doc/man/nvme_io_passthru.2 (limited to 'doc/man/nvme_io_passthru.2') diff --git a/doc/man/nvme_io_passthru.2 b/doc/man/nvme_io_passthru.2 new file mode 100644 index 0000000..0e848ea --- /dev/null +++ b/doc/man/nvme_io_passthru.2 @@ -0,0 +1,71 @@ +.TH "nvme_io_passthru" 9 "nvme_io_passthru" "April 2022" "libnvme API manual" LINUX +.SH NAME +nvme_io_passthru \- Submit an nvme io passthrough command +.SH SYNOPSIS +.B "int" nvme_io_passthru +.BI "(int fd " "," +.BI "__u8 opcode " "," +.BI "__u8 flags " "," +.BI "__u16 rsvd " "," +.BI "__u32 nsid " "," +.BI "__u32 cdw2 " "," +.BI "__u32 cdw3 " "," +.BI "__u32 cdw10 " "," +.BI "__u32 cdw11 " "," +.BI "__u32 cdw12 " "," +.BI "__u32 cdw13 " "," +.BI "__u32 cdw14 " "," +.BI "__u32 cdw15 " "," +.BI "__u32 data_len " "," +.BI "void *data " "," +.BI "__u32 metadata_len " "," +.BI "void *metadata " "," +.BI "__u32 timeout_ms " "," +.BI "__u32 *result " ");" +.SH ARGUMENTS +.IP "fd" 12 +File descriptor of nvme device +.IP "opcode" 12 +The nvme io command to send +.IP "flags" 12 +NVMe command flags (not used) +.IP "rsvd" 12 +Reserevd for future use +.IP "nsid" 12 +Namespace identifier +.IP "cdw2" 12 +Command dword 2 +.IP "cdw3" 12 +Command dword 3 +.IP "cdw10" 12 +Command dword 10 +.IP "cdw11" 12 +Command dword 11 +.IP "cdw12" 12 +Command dword 12 +.IP "cdw13" 12 +Command dword 13 +.IP "cdw14" 12 +Command dword 14 +.IP "cdw15" 12 +Command dword 15 +.IP "data_len" 12 +Length of the data transfered in this command in bytes +.IP "data" 12 +Pointer to user address of the data buffer +.IP "metadata_len" 12 +Length of metadata transfered in this command +.IP "metadata" 12 +Pointer to user address of the metadata buffer +.IP "timeout_ms" 12 +How long the kernel waits for the command to complete +.IP "result" 12 +Optional field to return the result from the CQE dword 0 +.SH "DESCRIPTION" +Parameterized form of \fBnvme_submit_io_passthru\fP. This sets up and submits +a \fIstruct nvme_passthru_cmd\fP. + +Known values for \fIopcode\fP are defined in \fIenum nvme_io_opcode\fP. +.SH "RETURN" +The nvme command status if a response was received (see +\fIenum nvme_status_field\fP) or -1 with errno set otherwise. -- cgit v1.2.3