NAME
struct nvme_tdisp_device_interface_report - NVMe TDISP DEVICE_INTERFACE_REPORT Reporting Structure
SYNOPSIS
struct nvme_tdisp_device_interface_report {
__le32 tni;
__le32 ti;
__u8 cu;
__u8 vu;
__u8 rsvd10[2];
__le32 aqv;
__le32 asv;
__le32 acv;
__le32 cv;
__le32 pmv;
__le32 pcv;
__u8 qh[48];
__u8 rsvd84[44];
};
Members
- tni
-
TDISP NVMe Identifier, shall be NVME_TDISP_NVME_IDENTIFIER
- ti
-
TDISP Information, see enum nvme_tdisp_ti
- cu
-
CSVL Used, the Controller State Version Index of the NVMe Controller State data structure used to generate qh
- vu
-
VER Used, the Version field in the NVMe Controller State data structure used to generate qh
- rsvd10
-
Reserved
- aqv
-
AQA Value
- asv
-
ASQ Value
- acv
-
ACQ Value
- cv
-
CMBMSC Value
- pmv
-
PMRMSC Value
- pcv
-
PMRCTL Value
- qh
-
Queue Hash, a SHA-384 hash of all the fields in the NVMe Controller State data structure, see struct nvme_lm_controller_state_data
- rsvd84
-
Reserved
Description
This is the NVMe class-specific DEVICE_SPECIFIC_INFO payload that a PCIe Function returns in response to a PCIe TDISP GET_DEVICE_INTERFACE_REPORT request (refer to the NVM Express over PCIe Transport Specification). There is no NVMe Admin, I/O, or MI command that transfers this structure -- it is produced by the device's Device Security Module and consumed by a platform TEE Security Module entirely via the PCIe TDISP protocol, outside of any NVMe command/response mechanism. This type is provided purely so that software which has otherwise obtained a DEVICE_INTERFACE_REPORT (e.g., from a TDISP/SPDM stack) can decode its NVMe-specific portion.