1/*
2 * linux/drivers/message/fusion/mptsas.h
3 * High performance SCSI + LAN / Fibre Channel device drivers.
4 * For use with PCI chip/adapter(s):
5 * LSIFC9xx/LSI409xx Fibre Channel
6 * running LSI MPT (Message Passing Technology) firmware.
7 *
8 * Copyright (c) 1999-2008 LSI Corporation
9 * (mailto:DL-MPTFusionLinux@lsi.com)
10 *
11 */
12/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
13/*
14 This program is free software; you can redistribute it and/or modify
15 it under the terms of the GNU General Public License as published by
16 the Free Software Foundation; version 2 of the License.
17
18 This program is distributed in the hope that it will be useful,
19 but WITHOUT ANY WARRANTY; without even the implied warranty of
20 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
21 GNU General Public License for more details.
22
23 NO WARRANTY
24 THE PROGRAM IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OR
25 CONDITIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED INCLUDING, WITHOUT
26 LIMITATION, ANY WARRANTIES OR CONDITIONS OF TITLE, NON-INFRINGEMENT,
27 MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. Each Recipient is
28 solely responsible for determining the appropriateness of using and
29 distributing the Program and assumes all risks associated with its
30 exercise of rights under this Agreement, including but not limited to
31 the risks and costs of program errors, damage to or loss of data,
32 programs or equipment, and unavailability or interruption of operations.
33
34 DISCLAIMER OF LIABILITY
35 NEITHER RECIPIENT NOR ANY CONTRIBUTORS SHALL HAVE ANY LIABILITY FOR ANY
36 DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
37 DAMAGES (INCLUDING WITHOUT LIMITATION LOST PROFITS), HOWEVER CAUSED AND
38 ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
39 TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
40 USE OR DISTRIBUTION OF THE PROGRAM OR THE EXERCISE OF ANY RIGHTS GRANTED
41 HEREUNDER, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGES
42
43 You should have received a copy of the GNU General Public License
44 along with this program; if not, write to the Free Software
45 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
46*/
47
48#ifndef MPTSAS_H_INCLUDED
49#define MPTSAS_H_INCLUDED
50/*{-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
51
52struct mptsas_target_reset_event {
53 struct list_head list;
54 EVENT_DATA_SAS_DEVICE_STATUS_CHANGE sas_event_data;
55 u8 target_reset_issued;
56 unsigned long time_count;
57};
58
59enum mptsas_hotplug_action {
60 MPTSAS_ADD_DEVICE,
61 MPTSAS_DEL_DEVICE,
62 MPTSAS_ADD_RAID,
63 MPTSAS_DEL_RAID,
64 MPTSAS_ADD_PHYSDISK,
65 MPTSAS_ADD_PHYSDISK_REPROBE,
66 MPTSAS_DEL_PHYSDISK,
67 MPTSAS_DEL_PHYSDISK_REPROBE,
68 MPTSAS_ADD_INACTIVE_VOLUME,
69 MPTSAS_IGNORE_EVENT,
70};
71
72struct mptsas_mapping{
73 u8 id;
74 u8 channel;
75};
76
77struct mptsas_device_info {
78 struct list_head list;
79 struct mptsas_mapping os; /* operating system mapping*/
80 struct mptsas_mapping fw; /* firmware mapping */
81 u64 sas_address;
82 u32 device_info; /* specific bits for devices */
83 u16 slot; /* enclosure slot id */
84 u64 enclosure_logical_id; /*enclosure address */
85 u8 is_logical_volume; /* is this logical volume */
86 /* this belongs to volume */
87 u8 is_hidden_raid_component;
88 /* this valid when is_hidden_raid_component set */
89 u8 volume_id;
90 /* cached data for a removed device */
91 u8 is_cached;
92};
93
94struct mptsas_hotplug_event {
95 MPT_ADAPTER *ioc;
96 enum mptsas_hotplug_action event_type;
97 u64 sas_address;
98 u8 channel;
99 u8 id;
100 u32 device_info;
101 u16 handle;
102 u8 phy_id;
103 u8 phys_disk_num; /* hrc - unique index*/
104 struct scsi_device *sdev;
105};
106
107struct fw_event_work {
108 struct list_head list;
109 struct delayed_work work;
110 int users;
111 MPT_ADAPTER *ioc;
112 u32 event;
113 u8 retries;
114 char event_data[] __aligned(4);
115};
116
117struct mptsas_discovery_event {
118 struct work_struct work;
119 MPT_ADAPTER *ioc;
120};
121
122/*
123 * SAS topology structures
124 *
125 * The MPT Fusion firmware interface spreads information about the
126 * SAS topology over many manufacture pages, thus we need some data
127 * structure to collect it and process it for the SAS transport class.
128 */
129
130struct mptsas_devinfo {
131 u16 handle; /* unique id to address this device */
132 u16 handle_parent; /* unique id to address parent device */
133 u16 handle_enclosure; /* enclosure identifier of the enclosure */
134 u16 slot; /* physical slot in enclosure */
135 u8 phy_id; /* phy number of parent device */
136 u8 port_id; /* sas physical port this device
137 is assoc'd with */
138 u8 id; /* logical target id of this device */
139 u32 phys_disk_num; /* phys disk id, for csmi-ioctls */
140 u8 channel; /* logical bus number of this device */
141 u64 sas_address; /* WWN of this device,
142 SATA is assigned by HBA,expander */
143 u32 device_info; /* bitfield detailed info about this device */
144 u16 flags; /* sas device pg0 flags */
145};
146
147/*
148 * Specific details on ports, wide/narrow
149 */
150struct mptsas_portinfo_details{
151 u16 num_phys; /* number of phys belong to this port */
152 u64 phy_bitmask; /* TODO, extend support for 255 phys */
153 struct sas_rphy *rphy; /* transport layer rphy object */
154 struct sas_port *port; /* transport layer port object */
155 struct scsi_target *starget;
156 struct mptsas_portinfo *port_info;
157};
158
159struct mptsas_phyinfo {
160 u16 handle; /* unique id to address this */
161 u8 phy_id; /* phy index */
162 u8 port_id; /* firmware port identifier */
163 u8 negotiated_link_rate; /* nego'd link rate for this phy */
164 u8 hw_link_rate; /* hardware max/min phys link rate */
165 u8 programmed_link_rate; /* programmed max/min phy link rate */
166 u8 sas_port_add_phy; /* flag to request sas_port_add_phy*/
167 struct mptsas_devinfo identify; /* point to phy device info */
168 struct mptsas_devinfo attached; /* point to attached device info */
169 struct sas_phy *phy; /* transport layer phy object */
170 struct mptsas_portinfo *portinfo;
171 struct mptsas_portinfo_details * port_details;
172};
173
174struct mptsas_portinfo {
175 struct list_head list;
176 u16 num_phys; /* number of phys */
177 struct mptsas_phyinfo *phy_info;
178};
179
180struct mptsas_enclosure {
181 u64 enclosure_logical_id; /* The WWN for the enclosure */
182 u16 enclosure_handle; /* unique id to address this */
183 u16 flags; /* details enclosure management */
184 u16 num_slot; /* num slots */
185 u16 start_slot; /* first slot */
186 u8 start_id; /* starting logical target id */
187 u8 start_channel; /* starting logical channel id */
188 u8 sep_id; /* SEP device logical target id */
189 u8 sep_channel; /* SEP channel logical channel id */
190};
191
192/*}-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
193#endif
194

source code of linux/drivers/message/fusion/mptsas.h