1nvme_admin_passthru64(9) libnvme API manual nvme_admin_passthru64(9)
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6 nvme_admin_passthru64 - Submit a 64-bit nvme passthrough command
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9 int nvme_admin_passthru64 (int fd , __u8 opcode , __u8 flags , __u16
10 rsvd , __u32 nsid , __u32 cdw2 , __u32 cdw3 , __u32 cdw10 , __u32 cdw11
11 , __u32 cdw12 , __u32 cdw13 , __u32 cdw14 , __u32 cdw15 , __u32
12 data_len , void *data , __u32 metadata_len , void *metadata , __u32
13 timeout_ms , __u64 *result );
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16 fd File descriptor of nvme device
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18 opcode The nvme io command to send
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20 flags NVMe command flags (not used)
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22 rsvd Reserved for future use
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24 nsid Namespace identifier
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26 cdw2 Command dword 2
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28 cdw3 Command dword 3
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30 cdw10 Command dword 10
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32 cdw11 Command dword 11
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34 cdw12 Command dword 12
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36 cdw13 Command dword 13
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38 cdw14 Command dword 14
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40 cdw15 Command dword 15
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42 data_len Length of the data transferred in this command in bytes
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44 data Pointer to user address of the data buffer
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46 metadata_len
47 Length of metadata transferred in this command
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49 metadata Pointer to user address of the metadata buffer
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51 timeout_ms How long the kernel waits for the command to complete
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53 result Optional field to return the result from the CQE dword 0
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56 Parameterized form of nvme_submit_admin_passthru64. This sets up and
57 submits a struct nvme_passthru_cmd64.
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59 Known values for opcode are defined in enum nvme_admin_opcode.
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62 The nvme command status if a response was received (see enum nvme_sta‐
63 tus_field) or -1 with errno set otherwise.
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67November 2022 nvme_admin_passthru64 nvme_admin_passthru64(9)