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Diffstat (limited to 'Documentation/nvme-resv-acquire.txt')
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diff --git a/Documentation/nvme-resv-acquire.txt b/Documentation/nvme-resv-acquire.txt new file mode 100644 index 0000000..41cbf8f --- /dev/null +++ b/Documentation/nvme-resv-acquire.txt @@ -0,0 +1,92 @@ +nvme-resv-acquire(1) +==================== + +NAME +---- +nvme-resv-acquire - Acquire an nvme reservation + +SYNOPSIS +-------- +[verse] +'nvme resv-acquire' <device> [--namespace-id=<nsid> | -n <nsid>] + [--crkey=<crkey> | -c <crkey>] + [--prkey=<prkey> | -p <prkey>] + [--rtype=<rtype> | -t <rtype>] + [--racqa=<racqa> | -a <racqa>] + [--iekey | -i] + +DESCRIPTION +----------- +The Reservation Acquire command is used to acquire a reservation on +a namespace, preempt a reservation held on a namespace, and abort a +reservation held on a namespace. + +OPTIONS +------- +-n <nsid>:: +--namespace-id=<nsid>:: + Override the nsid field. If using the admin character device, + this parameter is required. + +-c <crkey>:: +--crkey=<crkey>:: + Current Reservation Key: The field specifies the current + reservation key associated with the host. If the IEKEY bit is + set to ‘1’ in the command, then the CRKEY check succeeds + regardless of the value in this field. + +-p <prkey>:: +--prkey=<prkey>:: + Preempt Reservation Key: If the Reservation Acquire Action is set + to 001b (i.e., Preempt) or 010b (i.e., Preempt and Abort), then + this field specifies the reservation key to be unregistered from + the namespace. For all other Reservation Acquire Action values, + this field is reserved. + +-t <rtype>:: +--rtyep=<rtype>:: + Reservation Type: This field specifies the type of reservation + to be created. ++ +[] +|================= +|Value|Definition +|0h|Reserved +|1h|Write Exclusive Reservation +|2h|Exclusive Access Reservation +|3h|Write Exclusive - Registrants Only Reservation +|4h|Exclusive Access - Registrants Only Reservation +|5h|Write Exclusive - All Registrants Reservation +|6h|Exclusive Access - All Registrants Reservation +|07h-FFh|Reserved +|================= + +-a <racqa>:: +--racqa=<racqa>:: + Reservation Acquire Action: This field specifies the action that + is performed by the command. ++ +[] +|================= +|Value|Definition +|0|Acquire +|1|Preempt +|2|Preempt and Abort +|3-7|Reserved +|================= + +-i:: +--iekey:: + Ignore Existing Key: If this bit is set to a '1', then the + Current Reservation Key (CRKEY) check is disabled and the command + shall succeed regardless of the CRKEY field value. ++ +Indicator option, defaults to '0'. + +EXAMPLES +-------- +No examples yet + +NVME +---- +Part of the nvme-user suite |