drivers/message/fusion/mptsas.h

   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
  52 struct 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 };
  57
  58 enum mptsas_hotplug_action {
  59         MPTSAS_ADD_DEVICE,
  60         MPTSAS_DEL_DEVICE,
  61         MPTSAS_ADD_RAID,
  62         MPTSAS_DEL_RAID,
  63         MPTSAS_ADD_INACTIVE_VOLUME,
  64         MPTSAS_IGNORE_EVENT,
  65 };
  66
  67 struct mptsas_hotplug_event {
  68         struct work_struct      work;
  69         MPT_ADAPTER             *ioc;
  70         enum mptsas_hotplug_action event_type;
  71         u64                     sas_address;
  72         u8                      channel;
  73         u8                      id;
  74         u32                     device_info;
  75         u16                     handle;
  76         u16                     parent_handle;
  77         u8                      phy_id;
  78         u8                      phys_disk_num_valid;    /* hrc (hidden raid component) */
  79         u8                      phys_disk_num;          /* hrc - unique index*/
  80         u8                      hidden_raid_component;  /* hrc - don't expose*/
  81 };
  82
  83 struct mptsas_discovery_event {
  84         struct work_struct      work;
  85         MPT_ADAPTER             *ioc;
  86 };
  87
  88 /*
  89  * SAS topology structures
  90  *
  91  * The MPT Fusion firmware interface spreads information about the
  92  * SAS topology over many manufacture pages, thus we need some data
  93  * structure to collect it and process it for the SAS transport class.
  94  */
  95
  96 struct mptsas_devinfo {
  97         u16     handle;         /* unique id to address this device */
  98         u16     handle_parent;  /* unique id to address parent device */
  99         u16     handle_enclosure; /* enclosure identifier of the enclosure */
 100         u16     slot;           /* physical slot in enclosure */
 101         u8      phy_id;         /* phy number of parent device */
 102         u8      port_id;        /* sas physical port this device
 103                                    is assoc'd with */
 104         u8      id;             /* logical target id of this device */
 105         u32     phys_disk_num;  /* phys disk id, for csmi-ioctls */
 106         u8      channel;        /* logical bus number of this device */
 107         u64     sas_address;    /* WWN of this device,
 108                                    SATA is assigned by HBA,expander */
 109         u32     device_info;    /* bitfield detailed info about this device */
 110 };
 111
 112 /*
 113  * Specific details on ports, wide/narrow
 114  */
 115 struct mptsas_portinfo_details{
 116         u16     num_phys;       /* number of phys belong to this port */
 117         u64     phy_bitmask;    /* TODO, extend support for 255 phys */
 118         struct sas_rphy *rphy;  /* transport layer rphy object */
 119         struct sas_port *port;  /* transport layer port object */
 120         struct scsi_target *starget;
 121         struct mptsas_portinfo *port_info;
 122 };
 123
 124 struct mptsas_phyinfo {
 125         u16     handle;                 /* unique id to address this */
 126         u8      phy_id;                 /* phy index */
 127         u8      port_id;                /* firmware port identifier */
 128         u8      negotiated_link_rate;   /* nego'd link rate for this phy */
 129         u8      hw_link_rate;           /* hardware max/min phys link rate */
 130         u8      programmed_link_rate;   /* programmed max/min phy link rate */
 131         u8      sas_port_add_phy;       /* flag to request sas_port_add_phy*/
 132         struct mptsas_devinfo identify; /* point to phy device info */
 133         struct mptsas_devinfo attached; /* point to attached device info */
 134         struct sas_phy *phy;            /* transport layer phy object */
 135         struct mptsas_portinfo *portinfo;
 136         struct mptsas_portinfo_details * port_details;
 137 };
 138
 139 struct mptsas_portinfo {
 140         struct list_head list;
 141         u16             num_phys;       /* number of phys */
 142         struct mptsas_phyinfo *phy_info;
 143 };
 144
 145 struct mptsas_enclosure {
 146         u64     enclosure_logical_id;   /* The WWN for the enclosure */
 147         u16     enclosure_handle;       /* unique id to address this */
 148         u16     flags;                  /* details enclosure management */
 149         u16     num_slot;               /* num slots */
 150         u16     start_slot;             /* first slot */
 151         u8      start_id;               /* starting logical target id */
 152         u8      start_channel;          /* starting logical channel id */
 153         u8      sep_id;                 /* SEP device logical target id */
 154         u8      sep_channel;            /* SEP channel logical channel id */
 155 };
 156
 157 /*}-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
 158 #endif