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/*
* linux/drivers/message/fusion/mptsas.h
* High performance SCSI + LAN / Fibre Channel device drivers.
* For use with PCI chip/adapter(s):
* LSIFC9xx/LSI409xx Fibre Channel
* running LSI MPT (Message Passing Technology) firmware.
*
* Copyright (c) 1999-2008 LSI Corporation
* (mailto:DL-MPTFusionLinux@lsi.com)
*
*/
/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
/*
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; version 2 of the License.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
NO WARRANTY
THE PROGRAM IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OR
CONDITIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED INCLUDING, WITHOUT
LIMITATION, ANY WARRANTIES OR CONDITIONS OF TITLE, NON-INFRINGEMENT,
MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. Each Recipient is
solely responsible for determining the appropriateness of using and
distributing the Program and assumes all risks associated with its
exercise of rights under this Agreement, including but not limited to
the risks and costs of program errors, damage to or loss of data,
programs or equipment, and unavailability or interruption of operations.
DISCLAIMER OF LIABILITY
NEITHER RECIPIENT NOR ANY CONTRIBUTORS SHALL HAVE ANY LIABILITY FOR ANY
DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
DAMAGES (INCLUDING WITHOUT LIMITATION LOST PROFITS), HOWEVER CAUSED AND
ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
USE OR DISTRIBUTION OF THE PROGRAM OR THE EXERCISE OF ANY RIGHTS GRANTED
HEREUNDER, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGES
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#ifndef MPTSAS_H_INCLUDED
#define MPTSAS_H_INCLUDED
/*{-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
struct mptsas_target_reset_event {
struct list_head list;
EVENT_DATA_SAS_DEVICE_STATUS_CHANGE sas_event_data;
u8 target_reset_issued;
unsigned long time_count;
};
enum mptsas_hotplug_action {
MPTSAS_ADD_DEVICE,
MPTSAS_DEL_DEVICE,
MPTSAS_ADD_RAID,
MPTSAS_DEL_RAID,
MPTSAS_ADD_PHYSDISK,
MPTSAS_ADD_PHYSDISK_REPROBE,
MPTSAS_DEL_PHYSDISK,
MPTSAS_DEL_PHYSDISK_REPROBE,
MPTSAS_ADD_INACTIVE_VOLUME,
MPTSAS_IGNORE_EVENT,
};
struct mptsas_mapping{
u8 id;
u8 channel;
};
struct mptsas_device_info {
struct list_head list;
struct mptsas_mapping os; /* operating system mapping*/
struct mptsas_mapping fw; /* firmware mapping */
u64 sas_address;
u32 device_info; /* specific bits for devices */
u16 slot; /* enclosure slot id */
u64 enclosure_logical_id; /*enclosure address */
u8 is_logical_volume; /* is this logical volume */
/* this belongs to volume */
u8 is_hidden_raid_component;
/* this valid when is_hidden_raid_component set */
u8 volume_id;
/* cached data for a removed device */
u8 is_cached;
};
struct mptsas_hotplug_event {
MPT_ADAPTER *ioc;
enum mptsas_hotplug_action event_type;
u64 sas_address;
u8 channel;
u8 id;
u32 device_info;
u16 handle;
u8 phy_id;
u8 phys_disk_num; /* hrc - unique index*/
struct scsi_device *sdev;
};
struct fw_event_work {
struct list_head list;
struct delayed_work work;
int users;
MPT_ADAPTER *ioc;
u32 event;
u8 retries;
char event_data[] __aligned(4);
};
struct mptsas_discovery_event {
struct work_struct work;
MPT_ADAPTER *ioc;
};
/*
* SAS topology structures
*
* The MPT Fusion firmware interface spreads information about the
* SAS topology over many manufacture pages, thus we need some data
* structure to collect it and process it for the SAS transport class.
*/
struct mptsas_devinfo {
u16 handle; /* unique id to address this device */
u16 handle_parent; /* unique id to address parent device */
u16 handle_enclosure; /* enclosure identifier of the enclosure */
u16 slot; /* physical slot in enclosure */
u8 phy_id; /* phy number of parent device */
u8 port_id; /* sas physical port this device
is assoc'd with */
u8 id; /* logical target id of this device */
u32 phys_disk_num; /* phys disk id, for csmi-ioctls */
u8 channel; /* logical bus number of this device */
u64 sas_address; /* WWN of this device,
SATA is assigned by HBA,expander */
u32 device_info; /* bitfield detailed info about this device */
u16 flags; /* sas device pg0 flags */
};
/*
* Specific details on ports, wide/narrow
*/
struct mptsas_portinfo_details{
u16 num_phys; /* number of phys belong to this port */
u64 phy_bitmask; /* TODO, extend support for 255 phys */
struct sas_rphy *rphy; /* transport layer rphy object */
struct sas_port *port; /* transport layer port object */
struct scsi_target *starget;
struct mptsas_portinfo *port_info;
};
struct mptsas_phyinfo {
u16 handle; /* unique id to address this */
u8 phy_id; /* phy index */
u8 port_id; /* firmware port identifier */
u8 negotiated_link_rate; /* nego'd link rate for this phy */
u8 hw_link_rate; /* hardware max/min phys link rate */
u8 programmed_link_rate; /* programmed max/min phy link rate */
u8 sas_port_add_phy; /* flag to request sas_port_add_phy*/
struct mptsas_devinfo identify; /* point to phy device info */
struct mptsas_devinfo attached; /* point to attached device info */
struct sas_phy *phy; /* transport layer phy object */
struct mptsas_portinfo *portinfo;
struct mptsas_portinfo_details * port_details;
};
struct mptsas_portinfo {
struct list_head list;
u16 num_phys; /* number of phys */
struct mptsas_phyinfo *phy_info;
};
struct mptsas_enclosure {
u64 enclosure_logical_id; /* The WWN for the enclosure */
u16 enclosure_handle; /* unique id to address this */
u16 flags; /* details enclosure management */
u16 num_slot; /* num slots */
u16 start_slot; /* first slot */
u8 start_id; /* starting logical target id */
u8 start_channel; /* starting logical channel id */
u8 sep_id; /* SEP device logical target id */
u8 sep_channel; /* SEP channel logical channel id */
};
/*}-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
#endif
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