Lines Matching +full:no +full:- +full:wp
1 .. SPDX-License-Identifier: GPL-2.0
26 ----
48 ---------------
74 --------
82 bidirectional data pipe, which can be used by the upper-layer protocols to
88 --------------
95 [Read Pointer (RP)] ----------->[Ring Element] } TD
96 [Write Pointer (WP)]- [Ring Element]
97 - [Ring Element]
98 --------->[Ring Element]
106 * Ring is considered empty when RP == WP.
107 * Ring is considered full when WP + 1 == RP.
110 buffer information, increments the WP to the next element and rings the
114 -----------
122 [Read Pointer (RP)] ----------->[Ring Element] } ED
123 [Write Pointer (WP)]- [Ring Element]
124 - [Ring Element]
125 --------->[Ring Element]
133 * Both host and device has a local copy of RP, WP.
134 * Ring is considered empty (no events to service) when WP + 1 == RP.
135 * Ring is considered full of events when RP == WP.
141 ------------
148 single element. For large multi-buffer operations (such as scatter and gather),
155 ----------
159 MHI is in reset state after power-up or hardware reset. The host is not allowed
188 ------------------
191 In the case of PCIe, the device is enumerated and assigned BAR-0 for
202 -----------------
209 * Host increments the WP of the corresponding channel transfer ring.
216 * Host updates the WP of the corresponding event ring to indicate that the