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 #define MPT3ENABLEDIAGSBRRELOAD _IOWR(MPT3_MAGIC_NUMBER, 33, \ 102 struct mpt3_enable_diag_sbr_reload) 103 104 /* Trace Buffer default UniqueId */ 105 #define MPT2DIAGBUFFUNIQUEID (0x07075900) 106 #define MPT3DIAGBUFFUNIQUEID (0x4252434D) 107 108 /* UID not found */ 109 #define MPT3_DIAG_UID_NOT_FOUND (0xFF) 110 111 112 /** 113 * struct mpt3_ioctl_header - main header structure 114 * @ioc_number - IOC unit number 115 * @port_number - IOC port number 116 * @max_data_size - maximum number bytes to transfer on read 117 */ 118 struct mpt3_ioctl_header { 119 uint32_t ioc_number; 120 uint32_t port_number; 121 uint32_t max_data_size; 122 }; 123 124 /** 125 * struct mpt3_ioctl_diag_reset - diagnostic reset 126 * @hdr - generic header 127 */ 128 struct mpt3_ioctl_diag_reset { 129 struct mpt3_ioctl_header hdr; 130 }; 131 132 133 /** 134 * struct mpt3_ioctl_pci_info - pci device info 135 * @device - pci device id 136 * @function - pci function id 137 * @bus - pci bus id 138 * @segment_id - pci segment id 139 */ 140 struct mpt3_ioctl_pci_info { 141 union { 142 struct { 143 uint32_t device:5; 144 uint32_t function:3; 145 uint32_t bus:24; 146 } bits; 147 uint32_t word; 148 } u; 149 uint32_t segment_id; 150 }; 151 152 153 #define MPT2_IOCTL_INTERFACE_SCSI (0x00) 154 #define MPT2_IOCTL_INTERFACE_FC (0x01) 155 #define MPT2_IOCTL_INTERFACE_FC_IP (0x02) 156 #define MPT2_IOCTL_INTERFACE_SAS (0x03) 157 #define MPT2_IOCTL_INTERFACE_SAS2 (0x04) 158 #define MPT2_IOCTL_INTERFACE_SAS2_SSS6200 (0x05) 159 #define MPT3_IOCTL_INTERFACE_SAS3 (0x06) 160 #define MPT3_IOCTL_INTERFACE_SAS35 (0x07) 161 #define MPT2_IOCTL_VERSION_LENGTH (32) 162 163 /** 164 * struct mpt3_ioctl_iocinfo - generic controller info 165 * @hdr - generic header 166 * @adapter_type - type of adapter (spi, fc, sas) 167 * @port_number - port number 168 * @pci_id - PCI Id 169 * @hw_rev - hardware revision 170 * @sub_system_device - PCI subsystem Device ID 171 * @sub_system_vendor - PCI subsystem Vendor ID 172 * @rsvd0 - reserved 173 * @firmware_version - firmware version 174 * @bios_version - BIOS version 175 * @driver_version - driver version - 32 ASCII characters 176 * @rsvd1 - reserved 177 * @scsi_id - scsi id of adapter 0 178 * @rsvd2 - reserved 179 * @pci_information - pci info (2nd revision) 180 */ 181 struct mpt3_ioctl_iocinfo { 182 struct mpt3_ioctl_header hdr; 183 uint32_t adapter_type; 184 uint32_t port_number; 185 uint32_t pci_id; 186 uint32_t hw_rev; 187 uint32_t subsystem_device; 188 uint32_t subsystem_vendor; 189 uint32_t rsvd0; 190 uint32_t firmware_version; 191 uint32_t bios_version; 192 uint8_t driver_version[MPT2_IOCTL_VERSION_LENGTH]; 193 uint8_t rsvd1; 194 uint8_t scsi_id; 195 uint16_t rsvd2; 196 struct mpt3_ioctl_pci_info pci_information; 197 }; 198 199 200 /* number of event log entries */ 201 #define MPT3SAS_CTL_EVENT_LOG_SIZE (200) 202 203 /** 204 * struct mpt3_ioctl_eventquery - query event count and type 205 * @hdr - generic header 206 * @event_entries - number of events returned by get_event_report 207 * @rsvd - reserved 208 * @event_types - type of events currently being captured 209 */ 210 struct mpt3_ioctl_eventquery { 211 struct mpt3_ioctl_header hdr; 212 uint16_t event_entries; 213 uint16_t rsvd; 214 uint32_t event_types[MPI2_EVENT_NOTIFY_EVENTMASK_WORDS]; 215 }; 216 217 /** 218 * struct mpt3_ioctl_eventenable - enable/disable event capturing 219 * @hdr - generic header 220 * @event_types - toggle off/on type of events to be captured 221 */ 222 struct mpt3_ioctl_eventenable { 223 struct mpt3_ioctl_header hdr; 224 uint32_t event_types[4]; 225 }; 226 227 #define MPT3_EVENT_DATA_SIZE (192) 228 /** 229 * struct MPT3_IOCTL_EVENTS - 230 * @event - the event that was reported 231 * @context - unique value for each event assigned by driver 232 * @data - event data returned in fw reply message 233 */ 234 struct MPT3_IOCTL_EVENTS { 235 uint32_t event; 236 uint32_t context; 237 uint8_t data[MPT3_EVENT_DATA_SIZE]; 238 }; 239 240 /** 241 * struct mpt3_ioctl_eventreport - returing event log 242 * @hdr - generic header 243 * @event_data - (see struct MPT3_IOCTL_EVENTS) 244 */ 245 struct mpt3_ioctl_eventreport { 246 struct mpt3_ioctl_header hdr; 247 struct MPT3_IOCTL_EVENTS event_data[1]; 248 }; 249 250 /** 251 * struct mpt3_ioctl_command - generic mpt firmware passthru ioctl 252 * @hdr - generic header 253 * @timeout - command timeout in seconds. (if zero then use driver default 254 * value). 255 * @reply_frame_buf_ptr - reply location 256 * @data_in_buf_ptr - destination for read 257 * @data_out_buf_ptr - data source for write 258 * @sense_data_ptr - sense data location 259 * @max_reply_bytes - maximum number of reply bytes to be sent to app. 260 * @data_in_size - number bytes for data transfer in (read) 261 * @data_out_size - number bytes for data transfer out (write) 262 * @max_sense_bytes - maximum number of bytes for auto sense buffers 263 * @data_sge_offset - offset in words from the start of the request message to 264 * the first SGL 265 * @mf[1]; 266 */ 267 struct mpt3_ioctl_command { 268 struct mpt3_ioctl_header hdr; 269 uint32_t timeout; 270 void __user *reply_frame_buf_ptr; 271 void __user *data_in_buf_ptr; 272 void __user *data_out_buf_ptr; 273 void __user *sense_data_ptr; 274 uint32_t max_reply_bytes; 275 uint32_t data_in_size; 276 uint32_t data_out_size; 277 uint32_t max_sense_bytes; 278 uint32_t data_sge_offset; 279 uint8_t mf[1]; 280 }; 281 282 #ifdef CONFIG_COMPAT 283 struct mpt3_ioctl_command32 { 284 struct mpt3_ioctl_header hdr; 285 uint32_t timeout; 286 uint32_t reply_frame_buf_ptr; 287 uint32_t data_in_buf_ptr; 288 uint32_t data_out_buf_ptr; 289 uint32_t sense_data_ptr; 290 uint32_t max_reply_bytes; 291 uint32_t data_in_size; 292 uint32_t data_out_size; 293 uint32_t max_sense_bytes; 294 uint32_t data_sge_offset; 295 uint8_t mf[1]; 296 }; 297 #endif 298 299 /** 300 * struct mpt3_ioctl_btdh_mapping - mapping info 301 * @hdr - generic header 302 * @id - target device identification number 303 * @bus - SCSI bus number that the target device exists on 304 * @handle - device handle for the target device 305 * @rsvd - reserved 306 * 307 * To obtain a bus/id the application sets 308 * handle to valid handle, and bus/id to 0xFFFF. 309 * 310 * To obtain the device handle the application sets 311 * bus/id valid value, and the handle to 0xFFFF. 312 */ 313 struct mpt3_ioctl_btdh_mapping { 314 struct mpt3_ioctl_header hdr; 315 uint32_t id; 316 uint32_t bus; 317 uint16_t handle; 318 uint16_t rsvd; 319 }; 320 321 322 323 /* application flags for mpt3_diag_register, mpt3_diag_query */ 324 #define MPT3_APP_FLAGS_APP_OWNED (0x0001) 325 #define MPT3_APP_FLAGS_BUFFER_VALID (0x0002) 326 #define MPT3_APP_FLAGS_FW_BUFFER_ACCESS (0x0004) 327 #define MPT3_APP_FLAGS_DYNAMIC_BUFFER_ALLOC (0x0008) 328 329 /* flags for mpt3_diag_read_buffer */ 330 #define MPT3_FLAGS_REREGISTER (0x0001) 331 332 #define MPT3_PRODUCT_SPECIFIC_DWORDS 23 333 334 /** 335 * struct mpt3_diag_register - application register with driver 336 * @hdr - generic header 337 * @reserved - 338 * @buffer_type - specifies either TRACE, SNAPSHOT, or EXTENDED 339 * @application_flags - misc flags 340 * @diagnostic_flags - specifies flags affecting command processing 341 * @product_specific - product specific information 342 * @requested_buffer_size - buffers size in bytes 343 * @unique_id - tag specified by application that is used to signal ownership 344 * of the buffer. 345 * 346 * This will allow the driver to setup any required buffers that will be 347 * needed by firmware to communicate with the driver. 348 */ 349 struct mpt3_diag_register { 350 struct mpt3_ioctl_header hdr; 351 uint8_t reserved; 352 uint8_t buffer_type; 353 uint16_t application_flags; 354 uint32_t diagnostic_flags; 355 uint32_t product_specific[MPT3_PRODUCT_SPECIFIC_DWORDS]; 356 uint32_t requested_buffer_size; 357 uint32_t unique_id; 358 }; 359 360 /** 361 * struct mpt3_diag_unregister - application unregister with driver 362 * @hdr - generic header 363 * @unique_id - tag uniquely identifies the buffer to be unregistered 364 * 365 * This will allow the driver to cleanup any memory allocated for diag 366 * messages and to free up any resources. 367 */ 368 struct mpt3_diag_unregister { 369 struct mpt3_ioctl_header hdr; 370 uint32_t unique_id; 371 }; 372 373 /** 374 * struct mpt3_diag_query - query relevant info associated with diag buffers 375 * @hdr - generic header 376 * @reserved - 377 * @buffer_type - specifies either TRACE, SNAPSHOT, or EXTENDED 378 * @application_flags - misc flags 379 * @diagnostic_flags - specifies flags affecting command processing 380 * @product_specific - product specific information 381 * @total_buffer_size - diag buffer size in bytes 382 * @driver_added_buffer_size - size of extra space appended to end of buffer 383 * @unique_id - unique id associated with this buffer. 384 * 385 * The application will send only buffer_type and unique_id. Driver will 386 * inspect unique_id first, if valid, fill in all the info. If unique_id is 387 * 0x00, the driver will return info specified by Buffer Type. 388 */ 389 struct mpt3_diag_query { 390 struct mpt3_ioctl_header hdr; 391 uint8_t reserved; 392 uint8_t buffer_type; 393 uint16_t application_flags; 394 uint32_t diagnostic_flags; 395 uint32_t product_specific[MPT3_PRODUCT_SPECIFIC_DWORDS]; 396 uint32_t total_buffer_size; 397 uint32_t driver_added_buffer_size; 398 uint32_t unique_id; 399 }; 400 401 /** 402 * struct mpt3_diag_release - request to send Diag Release Message to firmware 403 * @hdr - generic header 404 * @unique_id - tag uniquely identifies the buffer to be released 405 * 406 * This allows ownership of the specified buffer to returned to the driver, 407 * allowing an application to read the buffer without fear that firmware is 408 * overwriting information in the buffer. 409 */ 410 struct mpt3_diag_release { 411 struct mpt3_ioctl_header hdr; 412 uint32_t unique_id; 413 }; 414 415 /** 416 * struct mpt3_diag_read_buffer - request for copy of the diag buffer 417 * @hdr - generic header 418 * @status - 419 * @reserved - 420 * @flags - misc flags 421 * @starting_offset - starting offset within drivers buffer where to start 422 * reading data at into the specified application buffer 423 * @bytes_to_read - number of bytes to copy from the drivers buffer into the 424 * application buffer starting at starting_offset. 425 * @unique_id - unique id associated with this buffer. 426 * @diagnostic_data - data payload 427 */ 428 struct mpt3_diag_read_buffer { 429 struct mpt3_ioctl_header hdr; 430 uint8_t status; 431 uint8_t reserved; 432 uint16_t flags; 433 uint32_t starting_offset; 434 uint32_t bytes_to_read; 435 uint32_t unique_id; 436 uint32_t diagnostic_data[1]; 437 }; 438 439 /** 440 * struct mpt3_addnl_diag_query - diagnostic buffer release reason 441 * @hdr - generic header 442 * @unique_id - unique id associated with this buffer. 443 * @rel_query - release query. 444 * @reserved2 445 */ 446 struct mpt3_addnl_diag_query { 447 struct mpt3_ioctl_header hdr; 448 uint32_t unique_id; 449 struct htb_rel_query rel_query; 450 uint32_t reserved2[2]; 451 }; 452 453 /** 454 * struct mpt3_enable_diag_sbr_reload - enable sbr reload 455 * @hdr - generic header 456 */ 457 struct mpt3_enable_diag_sbr_reload { 458 struct mpt3_ioctl_header hdr; 459 }; 460 461 #endif /* MPT3SAS_CTL_H_INCLUDED */ 462