libnvme(9) API Manual libnvme(9)

# [NAME](#NAME)

enum nvme\_id\_ctrl\_chsi - CXL HDM Support Information

# [SYNOPSIS](#SYNOPSIS)

enum nvme\_id\_ctrl\_chsi {  
**NVME\_CTRL\_CHSI\_CHS\_SHIFT** ,  
**NVME\_CTRL\_CHSI\_CHS\_MASK**

};

# [Constants](#Constants)

[NVME\_CTRL\_CHSI\_CHS\_SHIFT](#NVME_CTRL_CHSI_CHS_SHIFT)

Shift amount to get the CXL HDM Support (CHS) from the *struct nvme\_id\_ctrl*.chsi field.

[NVME\_CTRL\_CHSI\_CHS\_MASK](#NVME_CTRL_CHSI_CHS_MASK)

Mask to get CHS

enum nvme\_id\_ctrl\_chsi October 2026

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Document: nvme_id_ctrl_chsi-libnvme3(2) from nvme-cli 3.2-r0 (Chainguard OS)
Source: https://github.com/linux-nvme/nvme-cli