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mptsas.h
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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:[email protected])
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 
53  struct list_head list;
56  unsigned long time_count;
57 };
58 
70 };
71 
73  u8 id;
75 };
76 
78  struct list_head list;
79  struct mptsas_mapping os; /* operating system mapping*/
80  struct mptsas_mapping fw; /* firmware mapping */
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 */
88  /* this valid when is_hidden_raid_component set */
90  /* cached data for a removed device */
92 };
93 
95  MPT_ADAPTER *ioc;
99  u8 id;
103  u8 phys_disk_num; /* hrc - unique index*/
104  struct scsi_device *sdev;
105 };
106 
108  struct list_head list;
110  MPT_ADAPTER *ioc;
114 };
115 
118  MPT_ADAPTER *ioc;
119 };
120 
121 /*
122  * SAS topology structures
123  *
124  * The MPT Fusion firmware interface spreads information about the
125  * SAS topology over many manufacture pages, thus we need some data
126  * structure to collect it and process it for the SAS transport class.
127  */
128 
130  u16 handle; /* unique id to address this device */
131  u16 handle_parent; /* unique id to address parent device */
132  u16 handle_enclosure; /* enclosure identifier of the enclosure */
133  u16 slot; /* physical slot in enclosure */
134  u8 phy_id; /* phy number of parent device */
135  u8 port_id; /* sas physical port this device
136  is assoc'd with */
137  u8 id; /* logical target id of this device */
138  u32 phys_disk_num; /* phys disk id, for csmi-ioctls */
139  u8 channel; /* logical bus number of this device */
140  u64 sas_address; /* WWN of this device,
141  SATA is assigned by HBA,expander */
142  u32 device_info; /* bitfield detailed info about this device */
143  u16 flags; /* sas device pg0 flags */
144 };
145 
146 /*
147  * Specific details on ports, wide/narrow
148  */
150  u16 num_phys; /* number of phys belong to this port */
151  u64 phy_bitmask; /* TODO, extend support for 255 phys */
152  struct sas_rphy *rphy; /* transport layer rphy object */
153  struct sas_port *port; /* transport layer port object */
156 };
157 
159  u16 handle; /* unique id to address this */
160  u8 phy_id; /* phy index */
161  u8 port_id; /* firmware port identifier */
162  u8 negotiated_link_rate; /* nego'd link rate for this phy */
163  u8 hw_link_rate; /* hardware max/min phys link rate */
164  u8 programmed_link_rate; /* programmed max/min phy link rate */
165  u8 sas_port_add_phy; /* flag to request sas_port_add_phy*/
166  struct mptsas_devinfo identify; /* point to phy device info */
167  struct mptsas_devinfo attached; /* point to attached device info */
168  struct sas_phy *phy; /* transport layer phy object */
171 };
172 
174  struct list_head list;
175  u16 num_phys; /* number of phys */
177 };
178 
180  u64 enclosure_logical_id; /* The WWN for the enclosure */
181  u16 enclosure_handle; /* unique id to address this */
182  u16 flags; /* details enclosure management */
183  u16 num_slot; /* num slots */
184  u16 start_slot; /* first slot */
185  u8 start_id; /* starting logical target id */
186  u8 start_channel; /* starting logical channel id */
187  u8 sep_id; /* SEP device logical target id */
188  u8 sep_channel; /* SEP channel logical channel id */
189 };
190 
191 /*}-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
192 #endif