1 /* 2 * Management Module Support for MPT (Message Passing Technology) based 3 * controllers 4 * 5 * This code is based on drivers/scsi/mpt3sas/mpt3sas_ctl.h 6 * Copyright (C) 2012-2014 LSI Corporation 7 * Copyright (C) 2013-2014 Avago Technologies 8 * (mailto: MPT-FusionLinux.pdl@avagotech.com) 9 * 10 * This program is free software; you can redistribute it and/or 11 * modify it under the terms of the GNU General Public License 12 * as published by the Free Software Foundation; either version 2 13 * of the License, or (at your option) any later version. 14 * 15 * This program is distributed in the hope that it will be useful, 16 * but WITHOUT ANY WARRANTY; without even the implied warranty of 17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 18 * GNU General Public License for more details. 19 * 20 * NO WARRANTY 21 * THE PROGRAM IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OR 22 * CONDITIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED INCLUDING, WITHOUT 23 * LIMITATION, ANY WARRANTIES OR CONDITIONS OF TITLE, NON-INFRINGEMENT, 24 * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. Each Recipient is 25 * solely responsible for determining the appropriateness of using and 26 * distributing the Program and assumes all risks associated with its 27 * exercise of rights under this Agreement, including but not limited to 28 * the risks and costs of program errors, damage to or loss of data, 29 * programs or equipment, and unavailability or interruption of operations. 30 31 * DISCLAIMER OF LIABILITY 32 * NEITHER RECIPIENT NOR ANY CONTRIBUTORS SHALL HAVE ANY LIABILITY FOR ANY 33 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 34 * DAMAGES (INCLUDING WITHOUT LIMITATION LOST PROFITS), HOWEVER CAUSED AND 35 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR 36 * TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE 37 * USE OR DISTRIBUTION OF THE PROGRAM OR THE EXERCISE OF ANY RIGHTS GRANTED 38 * HEREUNDER, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGES 39 40 * You should have received a copy of the GNU General Public License 41 * along with this program; if not, write to the Free Software 42 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, 43 * USA. 44 */ 45 46 #ifndef MPT3SAS_CTL_H_INCLUDED 47 #define MPT3SAS_CTL_H_INCLUDED 48 49 #ifdef __KERNEL__ 50 #include <linux/miscdevice.h> 51 #endif 52 53 #include "mpt3sas_base.h" 54 55 #ifndef MPT2SAS_MINOR 56 #define MPT2SAS_MINOR (MPT_MINOR + 1) 57 #endif 58 #ifndef MPT3SAS_MINOR 59 #define MPT3SAS_MINOR (MPT_MINOR + 2) 60 #endif 61 #define MPT2SAS_DEV_NAME "mpt2ctl" 62 #define MPT3SAS_DEV_NAME "mpt3ctl" 63 #define MPT3_MAGIC_NUMBER 'L' 64 #define MPT3_IOCTL_DEFAULT_TIMEOUT (10) /* in seconds */ 65 66 /** 67 * IOCTL opcodes 68 */ 69 #define MPT3IOCINFO _IOWR(MPT3_MAGIC_NUMBER, 17, \ 70 struct mpt3_ioctl_iocinfo) 71 #define MPT3COMMAND _IOWR(MPT3_MAGIC_NUMBER, 20, \ 72 struct mpt3_ioctl_command) 73 #ifdef CONFIG_COMPAT 74 #define MPT3COMMAND32 _IOWR(MPT3_MAGIC_NUMBER, 20, \ 75 struct mpt3_ioctl_command32) 76 #endif 77 #define MPT3EVENTQUERY _IOWR(MPT3_MAGIC_NUMBER, 21, \ 78 struct mpt3_ioctl_eventquery) 79 #define MPT3EVENTENABLE _IOWR(MPT3_MAGIC_NUMBER, 22, \ 80 struct mpt3_ioctl_eventenable) 81 #define MPT3EVENTREPORT _IOWR(MPT3_MAGIC_NUMBER, 23, \ 82 struct mpt3_ioctl_eventreport) 83 #define MPT3HARDRESET _IOWR(MPT3_MAGIC_NUMBER, 24, \ 84 struct mpt3_ioctl_diag_reset) 85 #define MPT3BTDHMAPPING _IOWR(MPT3_MAGIC_NUMBER, 31, \ 86 struct mpt3_ioctl_btdh_mapping) 87 88 /* diag buffer support */ 89 #define MPT3DIAGREGISTER _IOWR(MPT3_MAGIC_NUMBER, 26, \ 90 struct mpt3_diag_register) 91 #define MPT3DIAGRELEASE _IOWR(MPT3_MAGIC_NUMBER, 27, \ 92 struct mpt3_diag_release) 93 #define MPT3DIAGUNREGISTER _IOWR(MPT3_MAGIC_NUMBER, 28, \ 94 struct mpt3_diag_unregister) 95 #define MPT3DIAGQUERY _IOWR(MPT3_MAGIC_NUMBER, 29, \ 96 struct mpt3_diag_query) 97 #define MPT3DIAGREADBUFFER _IOWR(MPT3_MAGIC_NUMBER, 30, \ 98 struct mpt3_diag_read_buffer) 99 #define MPT3ADDNLDIAGQUERY _IOWR(MPT3_MAGIC_NUMBER, 32, \ 100 struct mpt3_addnl_diag_query) 101 102 /* Trace Buffer default UniqueId */ 103 #define MPT2DIAGBUFFUNIQUEID (0x07075900) 104 #define MPT3DIAGBUFFUNIQUEID (0x4252434D) 105 106 /* UID not found */ 107 #define MPT3_DIAG_UID_NOT_FOUND (0xFF) 108 109 110 /** 111 * struct mpt3_ioctl_header - main header structure 112 * @ioc_number - IOC unit number 113 * @port_number - IOC port number 114 * @max_data_size - maximum number bytes to transfer on read 115 */ 116 struct mpt3_ioctl_header { 117 uint32_t ioc_number; 118 uint32_t port_number; 119 uint32_t max_data_size; 120 }; 121 122 /** 123 * struct mpt3_ioctl_diag_reset - diagnostic reset 124 * @hdr - generic header 125 */ 126 struct mpt3_ioctl_diag_reset { 127 struct mpt3_ioctl_header hdr; 128 }; 129 130 131 /** 132 * struct mpt3_ioctl_pci_info - pci device info 133 * @device - pci device id 134 * @function - pci function id 135 * @bus - pci bus id 136 * @segment_id - pci segment id 137 */ 138 struct mpt3_ioctl_pci_info { 139 union { 140 struct { 141 uint32_t device:5; 142 uint32_t function:3; 143 uint32_t bus:24; 144 } bits; 145 uint32_t word; 146 } u; 147 uint32_t segment_id; 148 }; 149 150 151 #define MPT2_IOCTL_INTERFACE_SCSI (0x00) 152 #define MPT2_IOCTL_INTERFACE_FC (0x01) 153 #define MPT2_IOCTL_INTERFACE_FC_IP (0x02) 154 #define MPT2_IOCTL_INTERFACE_SAS (0x03) 155 #define MPT2_IOCTL_INTERFACE_SAS2 (0x04) 156 #define MPT2_IOCTL_INTERFACE_SAS2_SSS6200 (0x05) 157 #define MPT3_IOCTL_INTERFACE_SAS3 (0x06) 158 #define MPT3_IOCTL_INTERFACE_SAS35 (0x07) 159 #define MPT2_IOCTL_VERSION_LENGTH (32) 160 161 /** 162 * struct mpt3_ioctl_iocinfo - generic controller info 163 * @hdr - generic header 164 * @adapter_type - type of adapter (spi, fc, sas) 165 * @port_number - port number 166 * @pci_id - PCI Id 167 * @hw_rev - hardware revision 168 * @sub_system_device - PCI subsystem Device ID 169 * @sub_system_vendor - PCI subsystem Vendor ID 170 * @rsvd0 - reserved 171 * @firmware_version - firmware version 172 * @bios_version - BIOS version 173 * @driver_version - driver version - 32 ASCII characters 174 * @rsvd1 - reserved 175 * @scsi_id - scsi id of adapter 0 176 * @rsvd2 - reserved 177 * @pci_information - pci info (2nd revision) 178 */ 179 struct mpt3_ioctl_iocinfo { 180 struct mpt3_ioctl_header hdr; 181 uint32_t adapter_type; 182 uint32_t port_number; 183 uint32_t pci_id; 184 uint32_t hw_rev; 185 uint32_t subsystem_device; 186 uint32_t subsystem_vendor; 187 uint32_t rsvd0; 188 uint32_t firmware_version; 189 uint32_t bios_version; 190 uint8_t driver_version[MPT2_IOCTL_VERSION_LENGTH]; 191 uint8_t rsvd1; 192 uint8_t scsi_id; 193 uint16_t rsvd2; 194 struct mpt3_ioctl_pci_info pci_information; 195 }; 196 197 198 /* number of event log entries */ 199 #define MPT3SAS_CTL_EVENT_LOG_SIZE (200) 200 201 /** 202 * struct mpt3_ioctl_eventquery - query event count and type 203 * @hdr - generic header 204 * @event_entries - number of events returned by get_event_report 205 * @rsvd - reserved 206 * @event_types - type of events currently being captured 207 */ 208 struct mpt3_ioctl_eventquery { 209 struct mpt3_ioctl_header hdr; 210 uint16_t event_entries; 211 uint16_t rsvd; 212 uint32_t event_types[MPI2_EVENT_NOTIFY_EVENTMASK_WORDS]; 213 }; 214 215 /** 216 * struct mpt3_ioctl_eventenable - enable/disable event capturing 217 * @hdr - generic header 218 * @event_types - toggle off/on type of events to be captured 219 */ 220 struct mpt3_ioctl_eventenable { 221 struct mpt3_ioctl_header hdr; 222 uint32_t event_types[4]; 223 }; 224 225 #define MPT3_EVENT_DATA_SIZE (192) 226 /** 227 * struct MPT3_IOCTL_EVENTS - 228 * @event - the event that was reported 229 * @context - unique value for each event assigned by driver 230 * @data - event data returned in fw reply message 231 */ 232 struct MPT3_IOCTL_EVENTS { 233 uint32_t event; 234 uint32_t context; 235 uint8_t data[MPT3_EVENT_DATA_SIZE]; 236 }; 237 238 /** 239 * struct mpt3_ioctl_eventreport - returing event log 240 * @hdr - generic header 241 * @event_data - (see struct MPT3_IOCTL_EVENTS) 242 */ 243 struct mpt3_ioctl_eventreport { 244 struct mpt3_ioctl_header hdr; 245 struct MPT3_IOCTL_EVENTS event_data[1]; 246 }; 247 248 /** 249 * struct mpt3_ioctl_command - generic mpt firmware passthru ioctl 250 * @hdr - generic header 251 * @timeout - command timeout in seconds. (if zero then use driver default 252 * value). 253 * @reply_frame_buf_ptr - reply location 254 * @data_in_buf_ptr - destination for read 255 * @data_out_buf_ptr - data source for write 256 * @sense_data_ptr - sense data location 257 * @max_reply_bytes - maximum number of reply bytes to be sent to app. 258 * @data_in_size - number bytes for data transfer in (read) 259 * @data_out_size - number bytes for data transfer out (write) 260 * @max_sense_bytes - maximum number of bytes for auto sense buffers 261 * @data_sge_offset - offset in words from the start of the request message to 262 * the first SGL 263 * @mf[1]; 264 */ 265 struct mpt3_ioctl_command { 266 struct mpt3_ioctl_header hdr; 267 uint32_t timeout; 268 void __user *reply_frame_buf_ptr; 269 void __user *data_in_buf_ptr; 270 void __user *data_out_buf_ptr; 271 void __user *sense_data_ptr; 272 uint32_t max_reply_bytes; 273 uint32_t data_in_size; 274 uint32_t data_out_size; 275 uint32_t max_sense_bytes; 276 uint32_t data_sge_offset; 277 uint8_t mf[1]; 278 }; 279 280 #ifdef CONFIG_COMPAT 281 struct mpt3_ioctl_command32 { 282 struct mpt3_ioctl_header hdr; 283 uint32_t timeout; 284 uint32_t reply_frame_buf_ptr; 285 uint32_t data_in_buf_ptr; 286 uint32_t data_out_buf_ptr; 287 uint32_t sense_data_ptr; 288 uint32_t max_reply_bytes; 289 uint32_t data_in_size; 290 uint32_t data_out_size; 291 uint32_t max_sense_bytes; 292 uint32_t data_sge_offset; 293 uint8_t mf[1]; 294 }; 295 #endif 296 297 /** 298 * struct mpt3_ioctl_btdh_mapping - mapping info 299 * @hdr - generic header 300 * @id - target device identification number 301 * @bus - SCSI bus number that the target device exists on 302 * @handle - device handle for the target device 303 * @rsvd - reserved 304 * 305 * To obtain a bus/id the application sets 306 * handle to valid handle, and bus/id to 0xFFFF. 307 * 308 * To obtain the device handle the application sets 309 * bus/id valid value, and the handle to 0xFFFF. 310 */ 311 struct mpt3_ioctl_btdh_mapping { 312 struct mpt3_ioctl_header hdr; 313 uint32_t id; 314 uint32_t bus; 315 uint16_t handle; 316 uint16_t rsvd; 317 }; 318 319 320 321 /* application flags for mpt3_diag_register, mpt3_diag_query */ 322 #define MPT3_APP_FLAGS_APP_OWNED (0x0001) 323 #define MPT3_APP_FLAGS_BUFFER_VALID (0x0002) 324 #define MPT3_APP_FLAGS_FW_BUFFER_ACCESS (0x0004) 325 #define MPT3_APP_FLAGS_DYNAMIC_BUFFER_ALLOC (0x0008) 326 327 /* flags for mpt3_diag_read_buffer */ 328 #define MPT3_FLAGS_REREGISTER (0x0001) 329 330 #define MPT3_PRODUCT_SPECIFIC_DWORDS 23 331 332 /** 333 * struct mpt3_diag_register - application register with driver 334 * @hdr - generic header 335 * @reserved - 336 * @buffer_type - specifies either TRACE, SNAPSHOT, or EXTENDED 337 * @application_flags - misc flags 338 * @diagnostic_flags - specifies flags affecting command processing 339 * @product_specific - product specific information 340 * @requested_buffer_size - buffers size in bytes 341 * @unique_id - tag specified by application that is used to signal ownership 342 * of the buffer. 343 * 344 * This will allow the driver to setup any required buffers that will be 345 * needed by firmware to communicate with the driver. 346 */ 347 struct mpt3_diag_register { 348 struct mpt3_ioctl_header hdr; 349 uint8_t reserved; 350 uint8_t buffer_type; 351 uint16_t application_flags; 352 uint32_t diagnostic_flags; 353 uint32_t product_specific[MPT3_PRODUCT_SPECIFIC_DWORDS]; 354 uint32_t requested_buffer_size; 355 uint32_t unique_id; 356 }; 357 358 /** 359 * struct mpt3_diag_unregister - application unregister with driver 360 * @hdr - generic header 361 * @unique_id - tag uniquely identifies the buffer to be unregistered 362 * 363 * This will allow the driver to cleanup any memory allocated for diag 364 * messages and to free up any resources. 365 */ 366 struct mpt3_diag_unregister { 367 struct mpt3_ioctl_header hdr; 368 uint32_t unique_id; 369 }; 370 371 /** 372 * struct mpt3_diag_query - query relevant info associated with diag buffers 373 * @hdr - generic header 374 * @reserved - 375 * @buffer_type - specifies either TRACE, SNAPSHOT, or EXTENDED 376 * @application_flags - misc flags 377 * @diagnostic_flags - specifies flags affecting command processing 378 * @product_specific - product specific information 379 * @total_buffer_size - diag buffer size in bytes 380 * @driver_added_buffer_size - size of extra space appended to end of buffer 381 * @unique_id - unique id associated with this buffer. 382 * 383 * The application will send only buffer_type and unique_id. Driver will 384 * inspect unique_id first, if valid, fill in all the info. If unique_id is 385 * 0x00, the driver will return info specified by Buffer Type. 386 */ 387 struct mpt3_diag_query { 388 struct mpt3_ioctl_header hdr; 389 uint8_t reserved; 390 uint8_t buffer_type; 391 uint16_t application_flags; 392 uint32_t diagnostic_flags; 393 uint32_t product_specific[MPT3_PRODUCT_SPECIFIC_DWORDS]; 394 uint32_t total_buffer_size; 395 uint32_t driver_added_buffer_size; 396 uint32_t unique_id; 397 }; 398 399 /** 400 * struct mpt3_diag_release - request to send Diag Release Message to firmware 401 * @hdr - generic header 402 * @unique_id - tag uniquely identifies the buffer to be released 403 * 404 * This allows ownership of the specified buffer to returned to the driver, 405 * allowing an application to read the buffer without fear that firmware is 406 * overwriting information in the buffer. 407 */ 408 struct mpt3_diag_release { 409 struct mpt3_ioctl_header hdr; 410 uint32_t unique_id; 411 }; 412 413 /** 414 * struct mpt3_diag_read_buffer - request for copy of the diag buffer 415 * @hdr - generic header 416 * @status - 417 * @reserved - 418 * @flags - misc flags 419 * @starting_offset - starting offset within drivers buffer where to start 420 * reading data at into the specified application buffer 421 * @bytes_to_read - number of bytes to copy from the drivers buffer into the 422 * application buffer starting at starting_offset. 423 * @unique_id - unique id associated with this buffer. 424 * @diagnostic_data - data payload 425 */ 426 struct mpt3_diag_read_buffer { 427 struct mpt3_ioctl_header hdr; 428 uint8_t status; 429 uint8_t reserved; 430 uint16_t flags; 431 uint32_t starting_offset; 432 uint32_t bytes_to_read; 433 uint32_t unique_id; 434 uint32_t diagnostic_data[1]; 435 }; 436 437 /** 438 * struct mpt3_addnl_diag_query - diagnostic buffer release reason 439 * @hdr - generic header 440 * @unique_id - unique id associated with this buffer. 441 * @rel_query - release query. 442 * @reserved2 443 */ 444 struct mpt3_addnl_diag_query { 445 struct mpt3_ioctl_header hdr; 446 uint32_t unique_id; 447 struct htb_rel_query rel_query; 448 uint32_t reserved2[2]; 449 }; 450 451 #endif /* MPT3SAS_CTL_H_INCLUDED */ 452