Lines Matching +full:controller +full:- +full:number

4 .\" SPDX-License-Identifier: BSD-2-Clause
15 .Nd Universal Flash Storage Host Controller Interface driver
19 .Bd -ragged -offset indent
25 .Bd -literal -offset indent
29 Universal Flash Storage (UFS) is a low-power, high-performance storage
30 standard composed of a host controller and a single target device.
33 .Bl -bullet
35 Initialization of the host controller and the target device
43 Operation in the legacy single-doorbell queue mode
48 After initialization, the controller is registered with the
54 UFS 4.1 feature coverage, additional power-management modes, and
55 ACPI/FDT-based attach support.
60 Universal Flash Storage Host Controller Interface 4.1 and earlier.
64 driver currently operates with a single doorbell (one I/O-queue), so any
66 When Multi-Circular Queue (MCQ) support is added and multiple queues
71 .Bd -literal -offset indent
76 number of MSI-X vectors consumed by the device, set the following tunable
78 .Bd -literal -offset indent
84 .Bd -literal -offset indent
90 .Bd -literal -offset indent
99 .Bd -literal -offset indent
103 The following controller-level
106 .Bl -tag -width indent
108 (R) Number of command failures for the entire controller.
110 (R) Number of command retries for the entire controller.
112 (R) Number of times the interrupt handler has been called.
114 (R) Total number of commands issued by the controller.
118 (R) Host controller capabilities register value.
120 (R) Number of I/O-queue pairs.
124 (R) Host controller minor version.
126 (R) Host controller major version.
128 (R) Number of failed UTP task-management requests.
130 (R) Number of retried UTP task-management requests.
132 (R) Number of interrupt handler calls caused by UTP task-management requests.
134 (R) Number of UTP task-management requests issued.
136 (R) Current location of the UTP task-management completion queue head.
138 (R) Current location of the UTP task-management submission queue tail.
140 (R) Current location of the UTP task-management submission queue head.
142 (R) Number of trackers in the UTP task-management queue.
144 (R) Number of entries in the UTP task-management queue.
146 (R) Number of failed UTP transfer requests.
148 (R) Number of retried UTP transfer requests.
150 (R) Number of interrupt-handler calls caused by UTP transfer requests.
152 (R) Number of UTP transfer requests issued.
160 (R) Number of trackers in the UTP transfer queue.
162 (R) Number of entries in the UTP transfer queue.
174 .An -nosplit