From 66e4b69042cd3b44acd42f1fad2109180c1bc48b Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 24 Dec 2023 08:57:54 +0100 Subject: Merging upstream version 2.7.1. Signed-off-by: Daniel Baumann --- Documentation/nvme-phy-rx-eom-log.txt | 68 +++++++++++++++++++++++++++++++++++ 1 file changed, 68 insertions(+) create mode 100644 Documentation/nvme-phy-rx-eom-log.txt (limited to 'Documentation/nvme-phy-rx-eom-log.txt') diff --git a/Documentation/nvme-phy-rx-eom-log.txt b/Documentation/nvme-phy-rx-eom-log.txt new file mode 100644 index 0000000..8a31131 --- /dev/null +++ b/Documentation/nvme-phy-rx-eom-log.txt @@ -0,0 +1,68 @@ +nvme-phy-rx-eom-log(1) +====================== + +NAME +---- +nvme-phy-rx-eom-log - Retrieves a Physical Interface Receiver Eye Opening +Measurement log page from an NVMe device + +SYNOPSIS +-------- +[verse] +'nvme phy-rx-eom-log' [--lsp= | -s ] + [--controller= | -c ] + [--output-format= | -o ] [--verbose | -v] + +DESCRIPTION +----------- +Retrieves a Physical Interface Receiver Eye Opening Measurement log page from +an NVMe device and provides the returned structure. + +The parameter is mandatory and may be either the NVMe character +device (ex: /dev/nvme0), or a namespace block device (ex: /dev/nvme0n1). + +On success it returns 0, error code otherwise. + +OPTIONS +------- +-s :: +--lsp=:: + The log specified field configuring the controller's action to take + during processing of the command and the measurement quality. + +-c :: +--controller=:: + Controller ID of the controller associated with the PCIe port to be + measured. + +-o :: +--output-format=:: + Set the reporting format to 'normal', 'json', or + 'binary'. Only one output format can be used at a time. + +-o :: +--output-format=:: + Set the reporting format to 'normal', 'json' or 'binary'. Only one + output format can be used at a time. + +-v:: +--verbose:: + Increase the information detail in the output. + +EXAMPLES +-------- +* Start a best quality measurement and retrieve the log page header ++ +------------ +# nvme phy-rx-eom-log /dev/nvme0 --lsp=10 +------------ + +* Retrieve a finished best quality measurement on controller with ID 3 ++ +------------ +# nvme phy-rx-eom-log /dev/nvme0 --lsp=2 --controller=3 +------------ + +NVME +---- +Part of the nvme-user suite -- cgit v1.2.3