xgehal-event.h revision 256281
1/*- 2 * Copyright (c) 2002-2007 Neterion, Inc. 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24 * SUCH DAMAGE. 25 * 26 * $FreeBSD: stable/10/sys/dev/nxge/include/xgehal-event.h 173139 2007-10-29 14:19:32Z rwatson $ 27 */ 28 29#ifndef XGE_HAL_EVENT_H 30#define XGE_HAL_EVENT_H 31 32#include <dev/nxge/include/xge-os-pal.h> 33 34__EXTERN_BEGIN_DECLS 35 36#define XGE_HAL_EVENT_BASE 0 37#define XGE_LL_EVENT_BASE 100 38 39/** 40 * enum xge_hal_event_e - Enumerates slow-path HAL events. 41 * @XGE_HAL_EVENT_UNKNOWN: Unknown (and invalid) event. 42 * @XGE_HAL_EVENT_SERR: Serious hardware error event. 43 * @XGE_HAL_EVENT_LINK_IS_UP: The link state has changed from 'down' to 44 * 'up'; upper-layer driver (typically, link layer) is 45 * supposed to wake the queue, etc. 46 * @XGE_HAL_EVENT_LINK_IS_DOWN: Link-down event. 47 * The link state has changed from 'down' to 'up'; 48 * upper-layer driver is supposed to stop traffic, etc. 49 * @XGE_HAL_EVENT_ECCERR: ECC error event. 50 * @XGE_HAL_EVENT_PARITYERR: Parity error event. 51 * @XGE_HAL_EVENT_TARGETABORT: Target abort event. Used when device 52 * aborts transmit operation with the corresponding transfer code 53 * (for T_CODE enum see xgehal-fifo.h and xgehal-ring.h) 54 * @XGE_HAL_EVENT_SLOT_FREEZE: Slot-freeze event. Driver tries to distinguish 55 * slot-freeze from the rest critical events (e.g. ECC) when it is 56 * impossible to PIO read "through" the bus, i.e. when getting all-foxes. 57 * 58 * xge_hal_event_e enumerates slow-path HAL eventis. 59 * 60 * See also: xge_hal_uld_cbs_t{}, xge_uld_link_up_f{}, 61 * xge_uld_link_down_f{}. 62 */ 63typedef enum xge_hal_event_e { 64 XGE_HAL_EVENT_UNKNOWN = 0, 65 /* HAL events */ 66 XGE_HAL_EVENT_SERR = XGE_HAL_EVENT_BASE + 1, 67 XGE_HAL_EVENT_LINK_IS_UP = XGE_HAL_EVENT_BASE + 2, 68 XGE_HAL_EVENT_LINK_IS_DOWN = XGE_HAL_EVENT_BASE + 3, 69 XGE_HAL_EVENT_ECCERR = XGE_HAL_EVENT_BASE + 4, 70 XGE_HAL_EVENT_PARITYERR = XGE_HAL_EVENT_BASE + 5, 71 XGE_HAL_EVENT_TARGETABORT = XGE_HAL_EVENT_BASE + 6, 72 XGE_HAL_EVENT_SLOT_FREEZE = XGE_HAL_EVENT_BASE + 7, 73} xge_hal_event_e; 74 75__EXTERN_END_DECLS 76 77#endif /* XGE_HAL_EVENT_H */ 78