1libnvme(9)                        API Manual                        libnvme(9)
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NAME

6       enum nvme_id_ctrl_oncs - This field indicates the optional NVM commands
7       and features supported by the controller.
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SYNOPSIS

10       enum nvme_id_ctrl_oncs {
11           NVME_CTRL_ONCS_COMPARE ,
12           NVME_CTRL_ONCS_WRITE_UNCORRECTABLE ,
13           NVME_CTRL_ONCS_DSM ,
14           NVME_CTRL_ONCS_WRITE_ZEROES ,
15           NVME_CTRL_ONCS_SAVE_FEATURES ,
16           NVME_CTRL_ONCS_RESERVATIONS ,
17           NVME_CTRL_ONCS_TIMESTAMP ,
18           NVME_CTRL_ONCS_VERIFY
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20       };
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Constants

23       NVME_CTRL_ONCS_COMPARE
24                   If set, then the controller supports the Compare command.
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26       NVME_CTRL_ONCS_WRITE_UNCORRECTABLE
27                   If set, then  the  controller  supports  the  Write  Uncor‐
28                   rectable command.
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30       NVME_CTRL_ONCS_DSM
31                   If set, then the controller supports the Dataset Management
32                   command.
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34       NVME_CTRL_ONCS_WRITE_ZEROES
35                   If set, then the controller supports the Write Zeroes  com‐
36                   mand.
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38       NVME_CTRL_ONCS_SAVE_FEATURES
39                   If  set, then the controller supports the Save field set to
40                   a non-zero value in the Set Features command and the Select
41                   field set to a non-zero value in the Get Features command.
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43       NVME_CTRL_ONCS_RESERVATIONS
44                   If set, then the controller supports reservations.
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46       NVME_CTRL_ONCS_TIMESTAMP
47                   If set, then the controller supports the Timestamp feature.
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49       NVME_CTRL_ONCS_VERIFY
50                   If set, then the controller supports the Verify command.
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54April 2022                  enum nvme_id_ctrl_oncs                  libnvme(9)