/*
* Management Module Support for MPT (Message Passing Technology) based
* controllers
*
* This code is based on drivers/scsi/mpt2sas/mpt2_ctl.h
* Copyright (C) 2007-2008 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; either version 2
* of the License, or (at your option) any later version.
*
* 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
* USA.
*/
#ifndef MPT2SAS_CTL_H_INCLUDED
#define MPT2SAS_CTL_H_INCLUDED
#ifdef __KERNEL__
#include <linux/miscdevice.h>
#endif
#define MPT2SAS_DEV_NAME "mpt2ctl"
#define MPT2_MAGIC_NUMBER 'm'
#define MPT2_IOCTL_DEFAULT_TIMEOUT (10) /* in seconds */
/**
* IOCTL opcodes
*/
#define MPT2IOCINFO _IOWR(MPT2_MAGIC_NUMBER, 17, \
struct mpt2_ioctl_iocinfo)
#define MPT2COMMAND _IOWR(MPT2_MAGIC_NUMBER, 20, \
struct mpt2_ioctl_command)
#ifdef CONFIG_COMPAT
#define MPT2COMMAND32 _IOWR(MPT2_MAGIC_NUMBER, 20, \
struct mpt2_ioctl_command32)
#endif
#define MPT2EVENTQUERY _IOWR(MPT2_MAGIC_NUMBER, 21, \
struct mpt2_ioctl_eventquery)
#define MPT2EVENTENABLE _IOWR(MPT2_MAGIC_NUMBER, 22, \
struct mpt2_ioctl_eventenable)
#define MPT2EVENTREPORT _IOWR(MPT2_MAGIC_NUMBER, 23, \
struct mpt2_ioctl_eventreport)
#define MPT2HARDRESET _IOWR(MPT2_MAGIC_NUMBER, 24, \
struct mpt2_ioctl_diag_reset)
#define MPT2BTDHMAPPING _IOWR(MPT2_MAGIC_NUMBER, 31, \
struct mpt2_ioctl_btdh_mapping)
/* diag buffer support */
#define MPT2DIAGREGISTER _IOWR(MPT2_MAGIC_NUMBER, 26, \
struct mpt2_diag_register)
#define MPT2DIAGRELEASE _IOWR(MPT2_MAGIC_NUMBER, 27, \
struct mpt2_diag_release)
#define MPT2DIAGUNREGISTER _IOWR(MPT2_MAGIC_NUMBER, 28, \
struct mpt2_diag_unregister)
#define MPT2DIAGQUERY _IOWR(MPT2_MAGIC_NUMBER, 29, \
struct mpt2_diag_query)
#define MPT2DIAGREADBUFFER _IOWR(MPT2_MAGIC_NUMBER, 30, \
struct mpt2_diag_read_buffer)
/**
* struct mpt2_ioctl_header - main header structure
* @ioc_number - IOC unit number
* @port_number - IOC port number
* @max_data_size - maximum number bytes to transfer on read
*/
struct mpt2_ioctl_header {
uint32_t ioc_number;
uint32_t port_number;
uint32_t max_data_size;
};
/**
* struct mpt2_ioctl_diag_reset - diagnostic reset
* @hdr - generic header
*/
struct mpt2_ioctl_diag_reset {
struct mpt2_ioctl_header hdr;
};
/**
* struct mpt2_ioctl_pci_info - pci device info
* @device - pci device id
* @function - pci function id
* @bus - pci bus id
* @segment_id - pci segment id
*/
struct mpt2_ioctl_pci_info {
union {
struct {
uint32_t device:5;
uint32_t function:3;
uint32_t bus:24;
} bits;
uint32_t word;
} u;
uint32_t segment_id;
};
#define MPT2_IOCTL_INTERFACE_SCSI (0x00)
#define MPT2_IOCTL_INTERFACE_FC (0x01)
#define MPT2_IOCTL_INTERFACE_FC_IP (0x02)
#define MPT2_IOCTL_INTERFACE_SAS (0x03)
#define MPT2_IOCTL_INTERFACE_SAS2 (0x04)
#define MPT2_IOCTL_VERSION_LENGTH (32)
/**
* struct mpt2_ioctl_iocinfo - generic controller info
* @hdr - generic header
* @adapter_type - type of adapter (spi, fc, sas)
* @port_number - port number
* @pci_id - PCI Id
* @hw_rev - hardware revision
* @sub_system_device - PCI subsystem Device ID
* @sub_system_vendor - PCI subsystem Vendor ID
* @rsvd0 - reserved
* @firmware_version - firmware version
* @bios_version - BIOS version
* @driver_version - driver version - 32 ASCII characters
* @rsvd1 - reserved
* @scsi_id - scsi id of adapter 0
* @rsvd2 - reserved
* @pci_information - pci info (2nd revision)
*/
struct mpt2_ioctl_iocinfo {
struct mpt2_ioctl_header hdr;
uint32_t adapter_type;
uint32_t port_number;
uint32_t pci_id;
uint32_t hw_rev;
uint32_t subsystem_device;
uint32_t subsystem_vendor;
uint32_t rsvd0;
uint32_t firmware_version;
uint32_t bios_version;
uint8_t driver_version[MPT2_IOCTL_VERSION_LENGTH];
uint8_t rsvd1;
uint8_t scsi_id;
uint16_t rsvd2;
struct mpt2_ioctl_pci_info pci_information;
};
/* number of event log entries */
#define MPT2SAS_CTL_EVENT_LOG_SIZE (50)
/**
* struct mpt2_ioctl_eventquery - query event count and type
* @hdr - generic header
* @event_entries - number of events returned by get_event_report
* @rsvd - reserved
* @event_types - type of events currently being captured
*/
struct mpt2_ioctl_eventquery {
struct mpt2_ioctl_header hdr;
uint16_t event_entries;
uint16_t rsvd;
uint32_t event_types[MPI2_EVENT_NOTIFY_EVENTMASK_WORDS];
};
/**
* struct mpt2_ioctl_eventenable - enable/disable event capturing
* @hdr - generic header
* @event_types - toggle off/on type of events to be captured
*/
struct mpt2_ioctl_eventenable {
struct mpt2_ioctl_header hdr;
uint32_t event_types[4];
};
#define MPT2_EVENT_DATA_SIZE (192)
/**
* struct MPT2_IOCTL_EVENTS -
* @event - the event that was reported
* @context - unique value for each event assigned by driver
* @data - event data returned in fw reply message
*/
struct MPT2_IOCTL_EVENTS {
uint32_t event;
uint32_t context;
uint8_t data[MPT2_EVENT_DATA_SIZE];
};
/**
* struct mpt2_ioctl_eventreport - returing event log
* @hdr - generic header
* @event_data - (see struct MPT2_IOCTL_EVENTS)
*/
struct mpt2_ioctl_eventreport {
struct mpt2_ioctl_header hdr;
struct MPT2_IOCTL_EVENTS event_data[1];
};
/**
* struct mpt2_ioctl_command - generic mpt firmware passthru ioclt
* @hdr - generic header
* @timeout - command timeout in seconds. (if zero then use driver default
* value).
* @reply_frame_buf_ptr - reply location
* @data_in_buf_ptr - destination for read
* @data_out_buf_ptr - data source for write
* @sense_data_ptr - sense data location
* @max_reply_bytes - maximum number of reply bytes to be sent to app.
* @data_in_size - number bytes for data transfer in (read)
* @data_out_size - number bytes for data transfer out (write)
* @max_sense_bytes - maximum number of bytes for auto sense buffers
* @data_sge_offset - offset in words from the start of the request message to
* the first SGL
* @mf[1];
*/
struct mpt2_ioctl_command {
struct mpt2_ioctl_header hdr;
uint32_t timeout;
void __user *reply_frame_buf_ptr;
void __user *data_in_buf_ptr;
void __user *data_out_buf_ptr;
void __user *sense_data_ptr;
uint32_t max_reply_bytes;
uint32_t data_in_size;
uint32_t data_out_size;
uint32_t max_sense_bytes;
uint32_t data_sge_offset;
uint8_t mf[1];
};
#ifdef CONFIG_COMPAT
struct mpt2_ioctl_command32 {
struct mpt2_ioctl_header hdr;
uint32_t timeout;
uint32_t reply_frame_buf_ptr;
uint32_t data_in_buf_ptr;
uint32_t data_out_buf_ptr;
uint32_t sense_data_ptr;
uint32_t max_reply_bytes;
uint32_t data_in_size;
uint32_t data_out_size;
uint32_t max_sense_bytes;
uint32_t data_sge_offset;
uint8_t mf[1];
};
#endif
/**
* struct mpt2_ioctl_btdh_mapping - mapping info
* @hdr - generic header
* @id - target device identification number
* @bus - SCSI bus number that the target device exists on
* @handle - device handle for the target device
* @rsvd - reserved
*
* To obtain a bus/id the application sets
* handle to valid handle, and bus/id to 0xFFFF.
*
* To obtain the device handle the application sets
* bus/id valid value, and the handle to 0xFFFF.
*/
struct mpt2_ioctl_btdh_mapping {
struct mpt2_ioctl_header hdr;
uint32_t id;
uint32_t bus;
uint16_t handle;
uint16_t rsvd;
};
/* status bits for ioc->diag_buffer_status */
#define MPT2_DIAG_BUFFER_IS_REGISTERED (0x01)
#define MPT2_DIAG_BUFFER_IS_RELEASED (0x02)
/* application flags for mpt2_diag_register, mpt2_diag_query */
#define MPT2_APP_FLAGS_APP_OWNED (0x0001)
#define MPT2_APP_FLAGS_BUFFER_VALID (0x0002)
#define MPT2_APP_FLAGS_FW_BUFFER_ACCESS (0x0004)
/* flags for mpt2_diag_read_buffer */
#define MPT2_FLAGS_REREGISTER (0x0001)
#define MPT2_PRODUCT_SPECIFIC_DWORDS 23
/**
* struct mpt2_diag_register - application register with driver
* @hdr - generic header
* @reserved -
* @buffer_type - specifies either TRACE or SNAPSHOT
* @application_flags - misc flags
* @diagnostic_flags - specifies flags affecting command processing
* @product_specific - product specific information
* @requested_buffer_size - buffers size in bytes
* @unique_id - tag specified by application that is used to signal ownership
* of the buffer.
*
* This will allow the driver to setup any required buffers that will be
* needed by firmware to communicate with the driver.
*/
struct mpt2_diag_register {
struct mpt2_ioctl_header hdr;
uint8_t reserved;
uint8_t buffer_type;
uint16_t application_flags;
uint32_t diagnostic_flags;
uint32_t product_specific[MPT2_PRODUCT_SPECIFIC_DWORDS];
uint32_t requested_buffer_size;
uint32_t unique_id;
};
/**
* struct mpt2_diag_unregister - application unregister with driver
* @hdr - generic header
* @unique_id - tag uniquely identifies the buffer to be unregistered
*
* This will allow the driver to cleanup any memory allocated for diag
* messages and to free up any resources.
*/
struct mpt2_diag_unregister {
struct mpt2_ioctl_header hdr;
uint32_t unique_id;
};
/**
* struct mpt2_diag_query - query relevant info associated with diag buffers
* @hdr - generic header
* @reserved -
* @buffer_type - specifies either TRACE or SNAPSHOT
* @application_flags - misc flags
* @diagnostic_flags - specifies flags affecting command processing
* @product_specific - product specific information
* @total_buffer_size - diag buffer size in bytes
* @driver_added_buffer_size - size of extra space appended to end of buffer
* @unique_id - unique id associated with this buffer.
*
* The application will send only buffer_type and unique_id. Driver will
* inspect unique_id first, if valid, fill in all the info. If unique_id is
* 0x00, the driver will return info specified by Buffer Type.
*/
struct mpt2_diag_query {
struct mpt2_ioctl_header hdr;
uint8_t reserved;
uint8_t buffer_type;
uint16_t application_flags;
uint32_t diagnostic_flags;
uint32_t product_specific[MPT2_PRODUCT_SPECIFIC_DWORDS];
uint32_t total_buffer_size;
uint32_t driver_added_buffer_size;
uint32_t unique_id;
};
/**
* struct mpt2_diag_release - request to send Diag Release Message to firmware
* @hdr - generic header
* @unique_id - tag uniquely identifies the buffer to be released
*
* This allows ownership of the specified buffer to returned to the driver,
* allowing an application to read the buffer without fear that firmware is
* overwritting information in the buffer.
*/
struct mpt2_diag_release {
struct mpt2_ioctl_header hdr;
uint32_t unique_id;
};
/**
* struct mpt2_diag_read_buffer - request for copy of the diag buffer
* @hdr - generic header
* @status -
* @reserved -
* @flags - misc flags
* @starting_offset - starting offset within drivers buffer where to start
* reading data at into the specified application buffer
* @bytes_to_read - number of bytes to copy from the drivers buffer into the
* application buffer starting at starting_offset.
* @unique_id - unique id associated with this buffer.
* @diagnostic_data - data payload
*/
struct mpt2_diag_read_buffer {
struct mpt2_ioctl_header hdr;
uint8_t status;
uint8_t reserved;
uint16_t flags;
uint32_t starting_offset;
uint32_t bytes_to_read;
uint32_t unique_id;
uint32_t diagnostic_data[1];
};
#endif /* MPT2SAS_CTL_H_INCLUDED */
