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Decode 2 new bits in ctratt.#3207

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jimmunn wants to merge 1 commit intolinux-nvme:masterfrom
Micron-TPG-OSS:jlmunn/power-meas-id-ctrl
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Decode 2 new bits in ctratt.#3207
jimmunn wants to merge 1 commit intolinux-nvme:masterfrom
Micron-TPG-OSS:jlmunn/power-meas-id-ctrl

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@jimmunn jimmunn commented Mar 24, 2026

Add decoding of Power Measurement Support (PMS) and Power Limit Support (PLS) bits in Controller Attributes (CTRATT) field of Identify Controller Data Structure.

Add decoding of Power Measurement Support (PMS) and
Power Limit Support (PLS) bits in Controller Attributes
(CTRATT) field of Identify Controller Data Structure.

Signed-off-by: Jim Munn <jlmunn@micron.com>
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jimmunn commented Mar 24, 2026

before:

ctratt    : 0x200290
 [31:20] : 0x2  Reserved
  [19:19] : 0   Flexible Data Placement Not Supported
  [18:18] : 0   Reservations and Host Identifier Interaction Not Supported

after:

ctratt    : 0x200290
  [21:21] : 0x1 Power Measurement Supported
  [20:20] : 0   Power Limit Not Supported
  [19:19] : 0   Flexible Data Placement Not Supported
  [18:18] : 0   Reservations and Host Identifier Interaction Not Supported

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