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2908d778 JB |
1 | /* |
2 | * Serial Attached SCSI (SAS) Event processing | |
3 | * | |
4 | * Copyright (C) 2005 Adaptec, Inc. All rights reserved. | |
5 | * Copyright (C) 2005 Luben Tuikov <luben_tuikov@adaptec.com> | |
6 | * | |
7 | * This file is licensed under GPLv2. | |
8 | * | |
9 | * This program is free software; you can redistribute it and/or | |
10 | * modify it under the terms of the GNU General Public License as | |
11 | * published by the Free Software Foundation; either version 2 of the | |
12 | * License, or (at your option) any later version. | |
13 | * | |
14 | * This program is distributed in the hope that it will be useful, but | |
15 | * WITHOUT ANY WARRANTY; without even the implied warranty of | |
16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
17 | * General Public License for more details. | |
18 | * | |
19 | * You should have received a copy of the GNU General Public License | |
20 | * along with this program; if not, write to the Free Software | |
21 | * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA | |
22 | * | |
23 | */ | |
24 | ||
25 | #include <scsi/scsi_host.h> | |
26 | #include "sas_internal.h" | |
27 | #include "sas_dump.h" | |
28 | ||
29 | static void notify_ha_event(struct sas_ha_struct *sas_ha, enum ha_event event) | |
30 | { | |
31 | BUG_ON(event >= HA_NUM_EVENTS); | |
32 | ||
33 | sas_queue_event(event, &sas_ha->event_lock, &sas_ha->pending, | |
6b0efb85 | 34 | &sas_ha->ha_events[event].work, sas_ha); |
2908d778 JB |
35 | } |
36 | ||
37 | static void notify_port_event(struct asd_sas_phy *phy, enum port_event event) | |
38 | { | |
39 | struct sas_ha_struct *ha = phy->ha; | |
40 | ||
41 | BUG_ON(event >= PORT_NUM_EVENTS); | |
42 | ||
43 | sas_queue_event(event, &ha->event_lock, &phy->port_events_pending, | |
6b0efb85 | 44 | &phy->port_events[event].work, ha); |
2908d778 JB |
45 | } |
46 | ||
47 | static void notify_phy_event(struct asd_sas_phy *phy, enum phy_event event) | |
48 | { | |
49 | struct sas_ha_struct *ha = phy->ha; | |
50 | ||
51 | BUG_ON(event >= PHY_NUM_EVENTS); | |
52 | ||
53 | sas_queue_event(event, &ha->event_lock, &phy->phy_events_pending, | |
6b0efb85 | 54 | &phy->phy_events[event].work, ha); |
2908d778 JB |
55 | } |
56 | ||
57 | int sas_init_events(struct sas_ha_struct *sas_ha) | |
58 | { | |
c4028958 | 59 | static const work_func_t sas_ha_event_fns[HA_NUM_EVENTS] = { |
2908d778 JB |
60 | [HAE_RESET] = sas_hae_reset, |
61 | }; | |
62 | ||
63 | int i; | |
64 | ||
65 | spin_lock_init(&sas_ha->event_lock); | |
66 | ||
c4028958 DH |
67 | for (i = 0; i < HA_NUM_EVENTS; i++) { |
68 | INIT_WORK(&sas_ha->ha_events[i].work, sas_ha_event_fns[i]); | |
69 | sas_ha->ha_events[i].ha = sas_ha; | |
70 | } | |
2908d778 JB |
71 | |
72 | sas_ha->notify_ha_event = notify_ha_event; | |
73 | sas_ha->notify_port_event = notify_port_event; | |
74 | sas_ha->notify_phy_event = notify_phy_event; | |
75 | ||
76 | return 0; | |
77 | } |