| /* |
| * Management Module Support for MPT (Message Passing Technology) based |
| * controllers |
| * |
| * This code is based on drivers/scsi/mpt3sas/mpt3sas_ctl.h |
| * Copyright (C) 2012-2014 LSI Corporation |
| * Copyright (C) 2013-2014 Avago Technologies |
| * (mailto: MPT-FusionLinux.pdl@avagotech.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 MPT3SAS_CTL_H_INCLUDED |
| #define MPT3SAS_CTL_H_INCLUDED |
| |
| #ifdef __KERNEL__ |
| #include <linux/miscdevice.h> |
| #endif |
| |
| |
| #ifndef MPT3SAS_MINOR |
| #define MPT3SAS_MINOR (MPT_MINOR + 2) |
| #endif |
| #define MPT3SAS_DEV_NAME "mpt3ctl" |
| #define MPT3_MAGIC_NUMBER 'L' |
| #define MPT3_IOCTL_DEFAULT_TIMEOUT (10) /* in seconds */ |
| |
| /** |
| * IOCTL opcodes |
| */ |
| #define MPT3IOCINFO _IOWR(MPT3_MAGIC_NUMBER, 17, \ |
| struct mpt3_ioctl_iocinfo) |
| #define MPT3COMMAND _IOWR(MPT3_MAGIC_NUMBER, 20, \ |
| struct mpt3_ioctl_command) |
| #ifdef CONFIG_COMPAT |
| #define MPT3COMMAND32 _IOWR(MPT3_MAGIC_NUMBER, 20, \ |
| struct mpt3_ioctl_command32) |
| #endif |
| #define MPT3EVENTQUERY _IOWR(MPT3_MAGIC_NUMBER, 21, \ |
| struct mpt3_ioctl_eventquery) |
| #define MPT3EVENTENABLE _IOWR(MPT3_MAGIC_NUMBER, 22, \ |
| struct mpt3_ioctl_eventenable) |
| #define MPT3EVENTREPORT _IOWR(MPT3_MAGIC_NUMBER, 23, \ |
| struct mpt3_ioctl_eventreport) |
| #define MPT3HARDRESET _IOWR(MPT3_MAGIC_NUMBER, 24, \ |
| struct mpt3_ioctl_diag_reset) |
| #define MPT3BTDHMAPPING _IOWR(MPT3_MAGIC_NUMBER, 31, \ |
| struct mpt3_ioctl_btdh_mapping) |
| |
| /* diag buffer support */ |
| #define MPT3DIAGREGISTER _IOWR(MPT3_MAGIC_NUMBER, 26, \ |
| struct mpt3_diag_register) |
| #define MPT3DIAGRELEASE _IOWR(MPT3_MAGIC_NUMBER, 27, \ |
| struct mpt3_diag_release) |
| #define MPT3DIAGUNREGISTER _IOWR(MPT3_MAGIC_NUMBER, 28, \ |
| struct mpt3_diag_unregister) |
| #define MPT3DIAGQUERY _IOWR(MPT3_MAGIC_NUMBER, 29, \ |
| struct mpt3_diag_query) |
| #define MPT3DIAGREADBUFFER _IOWR(MPT3_MAGIC_NUMBER, 30, \ |
| struct mpt3_diag_read_buffer) |
| |
| /** |
| * struct mpt3_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 mpt3_ioctl_header { |
| uint32_t ioc_number; |
| uint32_t port_number; |
| uint32_t max_data_size; |
| }; |
| |
| /** |
| * struct mpt3_ioctl_diag_reset - diagnostic reset |
| * @hdr - generic header |
| */ |
| struct mpt3_ioctl_diag_reset { |
| struct mpt3_ioctl_header hdr; |
| }; |
| |
| |
| /** |
| * struct mpt3_ioctl_pci_info - pci device info |
| * @device - pci device id |
| * @function - pci function id |
| * @bus - pci bus id |
| * @segment_id - pci segment id |
| */ |
| struct mpt3_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 MPT3_IOCTL_INTERFACE_SAS3 (0x06) |
| #define MPT2_IOCTL_VERSION_LENGTH (32) |
| |
| /** |
| * struct mpt3_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 mpt3_ioctl_iocinfo { |
| struct mpt3_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 mpt3_ioctl_pci_info pci_information; |
| }; |
| |
| |
| /* number of event log entries */ |
| #define MPT3SAS_CTL_EVENT_LOG_SIZE (50) |
| |
| /** |
| * struct mpt3_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 mpt3_ioctl_eventquery { |
| struct mpt3_ioctl_header hdr; |
| uint16_t event_entries; |
| uint16_t rsvd; |
| uint32_t event_types[MPI2_EVENT_NOTIFY_EVENTMASK_WORDS]; |
| }; |
| |
| /** |
| * struct mpt3_ioctl_eventenable - enable/disable event capturing |
| * @hdr - generic header |
| * @event_types - toggle off/on type of events to be captured |
| */ |
| struct mpt3_ioctl_eventenable { |
| struct mpt3_ioctl_header hdr; |
| uint32_t event_types[4]; |
| }; |
| |
| #define MPT3_EVENT_DATA_SIZE (192) |
| /** |
| * struct MPT3_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 MPT3_IOCTL_EVENTS { |
| uint32_t event; |
| uint32_t context; |
| uint8_t data[MPT3_EVENT_DATA_SIZE]; |
| }; |
| |
| /** |
| * struct mpt3_ioctl_eventreport - returing event log |
| * @hdr - generic header |
| * @event_data - (see struct MPT3_IOCTL_EVENTS) |
| */ |
| struct mpt3_ioctl_eventreport { |
| struct mpt3_ioctl_header hdr; |
| struct MPT3_IOCTL_EVENTS event_data[1]; |
| }; |
| |
| /** |
| * struct mpt3_ioctl_command - generic mpt firmware passthru ioctl |
| * @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 mpt3_ioctl_command { |
| struct mpt3_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 mpt3_ioctl_command32 { |
| struct mpt3_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 mpt3_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 mpt3_ioctl_btdh_mapping { |
| struct mpt3_ioctl_header hdr; |
| uint32_t id; |
| uint32_t bus; |
| uint16_t handle; |
| uint16_t rsvd; |
| }; |
| |
| |
| |
| /* application flags for mpt3_diag_register, mpt3_diag_query */ |
| #define MPT3_APP_FLAGS_APP_OWNED (0x0001) |
| #define MPT3_APP_FLAGS_BUFFER_VALID (0x0002) |
| #define MPT3_APP_FLAGS_FW_BUFFER_ACCESS (0x0004) |
| |
| /* flags for mpt3_diag_read_buffer */ |
| #define MPT3_FLAGS_REREGISTER (0x0001) |
| |
| #define MPT3_PRODUCT_SPECIFIC_DWORDS 23 |
| |
| /** |
| * struct mpt3_diag_register - application register with driver |
| * @hdr - generic header |
| * @reserved - |
| * @buffer_type - specifies either TRACE, SNAPSHOT, or EXTENDED |
| * @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 mpt3_diag_register { |
| struct mpt3_ioctl_header hdr; |
| uint8_t reserved; |
| uint8_t buffer_type; |
| uint16_t application_flags; |
| uint32_t diagnostic_flags; |
| uint32_t product_specific[MPT3_PRODUCT_SPECIFIC_DWORDS]; |
| uint32_t requested_buffer_size; |
| uint32_t unique_id; |
| }; |
| |
| /** |
| * struct mpt3_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 mpt3_diag_unregister { |
| struct mpt3_ioctl_header hdr; |
| uint32_t unique_id; |
| }; |
| |
| /** |
| * struct mpt3_diag_query - query relevant info associated with diag buffers |
| * @hdr - generic header |
| * @reserved - |
| * @buffer_type - specifies either TRACE, SNAPSHOT, or EXTENDED |
| * @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 mpt3_diag_query { |
| struct mpt3_ioctl_header hdr; |
| uint8_t reserved; |
| uint8_t buffer_type; |
| uint16_t application_flags; |
| uint32_t diagnostic_flags; |
| uint32_t product_specific[MPT3_PRODUCT_SPECIFIC_DWORDS]; |
| uint32_t total_buffer_size; |
| uint32_t driver_added_buffer_size; |
| uint32_t unique_id; |
| }; |
| |
| /** |
| * struct mpt3_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 mpt3_diag_release { |
| struct mpt3_ioctl_header hdr; |
| uint32_t unique_id; |
| }; |
| |
| /** |
| * struct mpt3_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 mpt3_diag_read_buffer { |
| struct mpt3_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 /* MPT3SAS_CTL_H_INCLUDED */ |