summaryrefslogtreecommitdiffstats
path: root/doc/man/nvme_admin_passthru.2
diff options
context:
space:
mode:
Diffstat (limited to 'doc/man/nvme_admin_passthru.2')
-rw-r--r--doc/man/nvme_admin_passthru.271
1 files changed, 71 insertions, 0 deletions
diff --git a/doc/man/nvme_admin_passthru.2 b/doc/man/nvme_admin_passthru.2
new file mode 100644
index 0000000..df4dbf4
--- /dev/null
+++ b/doc/man/nvme_admin_passthru.2
@@ -0,0 +1,71 @@
+.TH "nvme_admin_passthru" 9 "nvme_admin_passthru" "April 2022" "libnvme API manual" LINUX
+.SH NAME
+nvme_admin_passthru \- Submit an nvme passthrough command
+.SH SYNOPSIS
+.B "int" nvme_admin_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_admin_passthru\fP. This sets up and
+submits a \fIstruct nvme_passthru_cmd\fP.
+
+Known values for \fIopcode\fP are defined in \fIenum nvme_admin_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.