| /* | 
 |  * 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 */ |