1/* 2 * Copyright (c) 2004-07 Applied Micro Circuits Corporation. 3 * Copyright (c) 2004-05 Vinod Kashyap 4 * All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 16 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 18 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 19 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 20 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 21 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 23 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 25 * SUCH DAMAGE. 26 * 27 * $FreeBSD$ 28 */ 29 30/* 31 * AMCC'S 3ware driver for 9000 series storage controllers. 32 * 33 * Author: Vinod Kashyap 34 * Modifications by: Adam Radford 35 */ 36 37 38 39#ifndef TW_CL_FWIF_H 40 41#define TW_CL_FWIF_H 42 43 44/* 45 * Macros and data structures for interfacing with the firmware. 46 */ 47 48 49/* Register offsets from base address. */ 50#define TWA_CONTROL_REGISTER_OFFSET 0x0 51#define TWA_STATUS_REGISTER_OFFSET 0x4 52#define TWA_COMMAND_QUEUE_OFFSET 0x8 53#define TWA_RESPONSE_QUEUE_OFFSET 0xC 54#define TWA_COMMAND_QUEUE_OFFSET_LOW 0x20 55#define TWA_COMMAND_QUEUE_OFFSET_HIGH 0x24 56#define TWA_LARGE_RESPONSE_QUEUE_OFFSET 0x30 57 58 59/* Control register bit definitions. */ 60#define TWA_CONTROL_ISSUE_HOST_INTERRUPT 0x00000020 61#define TWA_CONTROL_DISABLE_INTERRUPTS 0x00000040 62#define TWA_CONTROL_ENABLE_INTERRUPTS 0x00000080 63#define TWA_CONTROL_ISSUE_SOFT_RESET 0x00000100 64#define TWA_CONTROL_UNMASK_RESPONSE_INTERRUPT 0x00004000 65#define TWA_CONTROL_UNMASK_COMMAND_INTERRUPT 0x00008000 66#define TWA_CONTROL_MASK_RESPONSE_INTERRUPT 0x00010000 67#define TWA_CONTROL_MASK_COMMAND_INTERRUPT 0x00020000 68#define TWA_CONTROL_CLEAR_ATTENTION_INTERRUPT 0x00040000 69#define TWA_CONTROL_CLEAR_HOST_INTERRUPT 0x00080000 70#define TWA_CONTROL_CLEAR_PCI_ABORT 0x00100000 71#define TWA_CONTROL_CLEAR_QUEUE_ERROR 0x00400000 72#define TWA_CONTROL_CLEAR_PARITY_ERROR 0x00800000 73 74 75/* Status register bit definitions. */ 76#define TWA_STATUS_ROM_BIOS_IN_SBUF 0x00000002 77#define TWA_STATUS_COMMAND_QUEUE_EMPTY 0x00001000 78#define TWA_STATUS_MICROCONTROLLER_READY 0x00002000 79#define TWA_STATUS_RESPONSE_QUEUE_EMPTY 0x00004000 80#define TWA_STATUS_COMMAND_QUEUE_FULL 0x00008000 81#define TWA_STATUS_RESPONSE_INTERRUPT 0x00010000 82#define TWA_STATUS_COMMAND_INTERRUPT 0x00020000 83#define TWA_STATUS_ATTENTION_INTERRUPT 0x00040000 84#define TWA_STATUS_HOST_INTERRUPT 0x00080000 85#define TWA_STATUS_PCI_ABORT_INTERRUPT 0x00100000 86#define TWA_STATUS_MICROCONTROLLER_ERROR 0x00200000 87#define TWA_STATUS_QUEUE_ERROR_INTERRUPT 0x00400000 88#define TWA_STATUS_PCI_PARITY_ERROR_INTERRUPT 0x00800000 89#define TWA_STATUS_MINOR_VERSION_MASK 0x0F000000 90#define TWA_STATUS_MAJOR_VERSION_MASK 0xF0000000 91 92#define TWA_STATUS_UNEXPECTED_BITS 0x00D00000 93 94 95/* PCI related defines. */ 96#define TWA_IO_CONFIG_REG 0x10 97 98#define TWA_PCI_CONFIG_CLEAR_PARITY_ERROR 0xc100 99#define TWA_PCI_CONFIG_CLEAR_PCI_ABORT 0x2000 100 101#define TWA_RESET_PHASE1_NOTIFICATION_RESPONSE 0xFFFF 102#define TWA_RESET_PHASE1_WAIT_TIME_MS 500 103 104 105/* Command packet opcodes. */ 106#define TWA_FW_CMD_NOP 0x00 107#define TWA_FW_CMD_INIT_CONNECTION 0x01 108#define TWA_FW_CMD_READ 0x02 109#define TWA_FW_CMD_WRITE 0x03 110#define TWA_FW_CMD_READVERIFY 0x04 111#define TWA_FW_CMD_VERIFY 0x05 112#define TWA_FW_CMD_ZEROUNIT 0x08 113#define TWA_FW_CMD_REPLACEUNIT 0x09 114#define TWA_FW_CMD_HOTSWAP 0x0A 115#define TWA_FW_CMD_SELFTESTS 0x0B 116#define TWA_FW_CMD_SYNC_PARAM 0x0C 117#define TWA_FW_CMD_REORDER_UNITS 0x0D 118 119#define TWA_FW_CMD_EXECUTE_SCSI 0x10 120#define TWA_FW_CMD_ATA_PASSTHROUGH 0x11 121#define TWA_FW_CMD_GET_PARAM 0x12 122#define TWA_FW_CMD_SET_PARAM 0x13 123#define TWA_FW_CMD_CREATEUNIT 0x14 124#define TWA_FW_CMD_DELETEUNIT 0x15 125#define TWA_FW_CMD_DOWNLOAD_FIRMWARE 0x16 126#define TWA_FW_CMD_REBUILDUNIT 0x17 127#define TWA_FW_CMD_POWER_MANAGEMENT 0x18 128 129#define TWA_FW_CMD_REMOTE_PRINT 0x1B 130#define TWA_FW_CMD_HARD_RESET_FIRMWARE 0x1C 131#define TWA_FW_CMD_DEBUG 0x1D 132 133#define TWA_FW_CMD_DIAGNOSTICS 0x1F 134 135 136/* Misc defines. */ 137#define TWA_SHUTDOWN_MESSAGE_CREDITS 0x001 138#define TWA_64BIT_SG_ADDRESSES 0x00000001 139#define TWA_EXTENDED_INIT_CONNECT 0x00000002 140#define TWA_BASE_MODE 1 141#define TWA_BASE_FW_SRL 24 142#define TWA_BASE_FW_BRANCH 0 143#define TWA_BASE_FW_BUILD 1 144#define TWA_CURRENT_FW_SRL 41 145#define TWA_CURRENT_FW_BRANCH_9K 4 146#define TWA_CURRENT_FW_BUILD_9K 8 147#define TWA_CURRENT_FW_BRANCH_9K_X 8 148#define TWA_CURRENT_FW_BUILD_9K_X 4 149#define TWA_MULTI_LUN_FW_SRL 28 150#define TWA_ARCH_ID_9K 0x5 /* 9000 PCI controllers */ 151#define TWA_ARCH_ID_9K_X 0x6 /* 9000 PCI-X controllers */ 152#define TWA_CTLR_FW_SAME_OR_NEWER 0x00000001 153#define TWA_CTLR_FW_COMPATIBLE 0x00000002 154#define TWA_SENSE_DATA_LENGTH 18 155 156 157#define TWA_ARCH_ID(device_id) \ 158 (((device_id) == TW_CL_DEVICE_ID_9K) ? TWA_ARCH_ID_9K : \ 159 TWA_ARCH_ID_9K_X) 160#define TWA_CURRENT_FW_BRANCH(arch_id) \ 161 (((arch_id) == TWA_ARCH_ID_9K) ? TWA_CURRENT_FW_BRANCH_9K : \ 162 TWA_CURRENT_FW_BRANCH_9K_X) 163#define TWA_CURRENT_FW_BUILD(arch_id) \ 164 (((arch_id) == TWA_ARCH_ID_9K) ? TWA_CURRENT_FW_BUILD_9K : \ 165 TWA_CURRENT_FW_BUILD_9K_X) 166 167/* 168 * All SG addresses and DMA'able memory allocated by the OSL should be 169 * TWA_ALIGNMENT bytes aligned, and have a size that is a multiple of 170 * TWA_SG_ELEMENT_SIZE_FACTOR. 171 */ 172#define TWA_ALIGNMENT(device_id) 0x4 173#define TWA_SG_ELEMENT_SIZE_FACTOR(device_id) \ 174 (((device_id) == TW_CL_DEVICE_ID_9K) ? 512 : 4) 175 176 177/* 178 * Some errors of interest (in cmd_hdr->status_block.error) when a command 179 * is completed by the firmware with a bad status. 180 */ 181#define TWA_ERROR_LOGICAL_UNIT_NOT_SUPPORTED 0x010a 182#define TWA_ERROR_UNIT_OFFLINE 0x0128 183#define TWA_ERROR_MORE_DATA 0x0231 184 185 186/* AEN codes of interest. */ 187#define TWA_AEN_QUEUE_EMPTY 0x00 188#define TWA_AEN_SOFT_RESET 0x01 189#define TWA_AEN_SYNC_TIME_WITH_HOST 0x31 190 191 192/* Table #'s and id's of parameters of interest in firmware's param table. */ 193#define TWA_PARAM_VERSION_TABLE 0x0402 194#define TWA_PARAM_VERSION_FW 3 /* firmware version [16] */ 195#define TWA_PARAM_VERSION_BIOS 4 /* BIOSs version [16] */ 196#define TWA_PARAM_CTLR_MODEL 8 /* Controller model [16] */ 197 198#define TWA_PARAM_CONTROLLER_TABLE 0x0403 199#define TWA_PARAM_CONTROLLER_PORT_COUNT 3 /* number of ports [1] */ 200 201#define TWA_PARAM_TIME_TABLE 0x40A 202#define TWA_PARAM_TIME_SCHED_TIME 0x3 203 204#define TWA_9K_PARAM_DESCRIPTOR 0x8000 205 206 207#pragma pack(1) 208/* 7000 structures. */ 209struct tw_cl_command_init_connect { 210 TW_UINT8 res1__opcode; /* 3:5 */ 211 TW_UINT8 size; 212 TW_UINT8 request_id; 213 TW_UINT8 res2; 214 TW_UINT8 status; 215 TW_UINT8 flags; 216 TW_UINT16 message_credits; 217 TW_UINT32 features; 218 TW_UINT16 fw_srl; 219 TW_UINT16 fw_arch_id; 220 TW_UINT16 fw_branch; 221 TW_UINT16 fw_build; 222 TW_UINT32 result; 223}; 224 225 226/* Structure for downloading firmware onto the controller. */ 227struct tw_cl_command_download_firmware { 228 TW_UINT8 sgl_off__opcode;/* 3:5 */ 229 TW_UINT8 size; 230 TW_UINT8 request_id; 231 TW_UINT8 unit; 232 TW_UINT8 status; 233 TW_UINT8 flags; 234 TW_UINT16 param; 235 TW_UINT8 sgl[1]; 236}; 237 238 239/* Structure for hard resetting the controller. */ 240struct tw_cl_command_reset_firmware { 241 TW_UINT8 res1__opcode; /* 3:5 */ 242 TW_UINT8 size; 243 TW_UINT8 request_id; 244 TW_UINT8 unit; 245 TW_UINT8 status; 246 TW_UINT8 flags; 247 TW_UINT8 res2; 248 TW_UINT8 param; 249}; 250 251 252/* Structure for sending get/set param commands. */ 253struct tw_cl_command_param { 254 TW_UINT8 sgl_off__opcode;/* 3:5 */ 255 TW_UINT8 size; 256 TW_UINT8 request_id; 257 TW_UINT8 host_id__unit; /* 4:4 */ 258 TW_UINT8 status; 259 TW_UINT8 flags; 260 TW_UINT16 param_count; 261 TW_UINT8 sgl[1]; 262}; 263 264 265/* Generic command packet. */ 266struct tw_cl_command_generic { 267 TW_UINT8 sgl_off__opcode;/* 3:5 */ 268 TW_UINT8 size; 269 TW_UINT8 request_id; 270 TW_UINT8 host_id__unit; /* 4:4 */ 271 TW_UINT8 status; 272 TW_UINT8 flags; 273 TW_UINT16 count; /* block cnt, parameter cnt, message credits */ 274}; 275 276 277/* Command packet header. */ 278struct tw_cl_command_header { 279 TW_UINT8 sense_data[TWA_SENSE_DATA_LENGTH]; 280 struct { 281 TW_INT8 reserved[4]; 282 TW_UINT16 error; 283 TW_UINT8 padding; 284 TW_UINT8 res__severity; /* 5:3 */ 285 } status_block; 286 TW_UINT8 err_specific_desc[98]; 287 struct { 288 TW_UINT8 size_header; 289 TW_UINT16 reserved; 290 TW_UINT8 size_sense; 291 } header_desc; 292}; 293 294 295/* 7000 Command packet. */ 296union tw_cl_command_7k { 297 struct tw_cl_command_init_connect init_connect; 298 struct tw_cl_command_download_firmware download_fw; 299 struct tw_cl_command_reset_firmware reset_fw; 300 struct tw_cl_command_param param; 301 struct tw_cl_command_generic generic; 302 TW_UINT8 padding[1024 - sizeof(struct tw_cl_command_header)]; 303}; 304 305 306/* 9000 Command Packet. */ 307struct tw_cl_command_9k { 308 TW_UINT8 res__opcode; /* 3:5 */ 309 TW_UINT8 unit; 310 TW_UINT16 lun_l4__req_id; /* 4:12 */ 311 TW_UINT8 status; 312 TW_UINT8 sgl_offset; /* offset (in bytes) to sg_list, from the 313 end of sgl_entries */ 314 TW_UINT16 lun_h4__sgl_entries; 315 TW_UINT8 cdb[16]; 316 TW_UINT8 sg_list[872];/* total struct size = 317 1024-sizeof(cmd_hdr) */ 318}; 319 320 321/* Full command packet. */ 322struct tw_cl_command_packet { 323 struct tw_cl_command_header cmd_hdr; 324 union { 325 union tw_cl_command_7k cmd_pkt_7k; 326 struct tw_cl_command_9k cmd_pkt_9k; 327 } command; 328}; 329 330 331/* Structure describing payload for get/set param commands. */ 332struct tw_cl_param_9k { 333 TW_UINT16 table_id; 334 TW_UINT8 parameter_id; 335 TW_UINT8 reserved; 336 TW_UINT16 parameter_size_bytes; 337 TW_UINT16 parameter_actual_size_bytes; 338 TW_UINT8 data[1]; 339}; 340#pragma pack() 341 342 343/* Functions to read from, and write to registers */ 344#define TW_CLI_WRITE_CONTROL_REGISTER(ctlr_handle, value) \ 345 tw_osl_write_reg(ctlr_handle, TWA_CONTROL_REGISTER_OFFSET, value, 4) 346 347 348#define TW_CLI_READ_STATUS_REGISTER(ctlr_handle) \ 349 tw_osl_read_reg(ctlr_handle, TWA_STATUS_REGISTER_OFFSET, 4) 350 351 352#define TW_CLI_WRITE_COMMAND_QUEUE(ctlr_handle, value) do { \ 353 if (ctlr->flags & TW_CL_64BIT_ADDRESSES) { \ 354 /* First write the low 4 bytes, then the high 4. */ \ 355 tw_osl_write_reg(ctlr_handle, TWA_COMMAND_QUEUE_OFFSET_LOW, \ 356 (TW_UINT32)(value), 4); \ 357 tw_osl_write_reg(ctlr_handle, TWA_COMMAND_QUEUE_OFFSET_HIGH,\ 358 (TW_UINT32)(((TW_UINT64)value)>>32), 4); \ 359 } else \ 360 tw_osl_write_reg(ctlr_handle, TWA_COMMAND_QUEUE_OFFSET, \ 361 (TW_UINT32)(value), 4); \ 362} while (0) 363 364 365#define TW_CLI_READ_RESPONSE_QUEUE(ctlr_handle) \ 366 tw_osl_read_reg(ctlr_handle, TWA_RESPONSE_QUEUE_OFFSET, 4) 367 368 369#define TW_CLI_READ_LARGE_RESPONSE_QUEUE(ctlr_handle) \ 370 tw_osl_read_reg(ctlr_handle, TWA_LARGE_RESPONSE_QUEUE_OFFSET, 4) 371 372 373#define TW_CLI_SOFT_RESET(ctlr) \ 374 TW_CLI_WRITE_CONTROL_REGISTER(ctlr, \ 375 TWA_CONTROL_ISSUE_SOFT_RESET | \ 376 TWA_CONTROL_CLEAR_HOST_INTERRUPT | \ 377 TWA_CONTROL_CLEAR_ATTENTION_INTERRUPT | \ 378 TWA_CONTROL_MASK_COMMAND_INTERRUPT | \ 379 TWA_CONTROL_MASK_RESPONSE_INTERRUPT | \ 380 TWA_CONTROL_DISABLE_INTERRUPTS) 381 382/* Detect inconsistencies in the status register. */ 383#define TW_CLI_STATUS_ERRORS(x) \ 384 ((x & TWA_STATUS_UNEXPECTED_BITS) && \ 385 (x & TWA_STATUS_MICROCONTROLLER_READY)) 386 387 388/* 389 * Functions for making transparent, the bit fields in firmware 390 * interface structures. 391 */ 392#define BUILD_SGL_OFF__OPCODE(sgl_off, opcode) \ 393 ((sgl_off << 5) & 0xE0) | (opcode & 0x1F) /* 3:5 */ 394 395#define BUILD_RES__OPCODE(res, opcode) \ 396 ((res << 5) & 0xE0) | (opcode & 0x1F) /* 3:5 */ 397 398#define BUILD_HOST_ID__UNIT(host_id, unit) \ 399 ((host_id << 4) & 0xF0) | (unit & 0xF) /* 4:4 */ 400 401#define BUILD_RES__SEVERITY(res, severity) \ 402 ((res << 3) & 0xF8) | (severity & 0x7) /* 5:3 */ 403 404#define BUILD_LUN_L4__REQ_ID(lun, req_id) \ 405 (((lun << 12) & 0xF000) | (req_id & 0xFFF)) /* 4:12 */ 406 407#define BUILD_LUN_H4__SGL_ENTRIES(lun, sgl_entries) \ 408 (((lun << 8) & 0xF000) | (sgl_entries & 0xFFF)) /* 4:12 */ 409 410 411#define GET_OPCODE(sgl_off__opcode) \ 412 (sgl_off__opcode & 0x1F) /* 3:5 */ 413 414#define GET_SGL_OFF(sgl_off__opcode) \ 415 ((sgl_off__opcode >> 5) & 0x7) /* 3:5 */ 416 417#define GET_UNIT(host_id__unit) \ 418 (host_id__unit & 0xF) /* 4:4 */ 419 420#define GET_HOST_ID(host_id__unit) \ 421 ((host_id__unit >> 4) & 0xF) /* 4:4 */ 422 423#define GET_SEVERITY(res__severity) \ 424 (res__severity & 0x7) /* 5:3 */ 425 426#define GET_RESP_ID(undef2__resp_id__undef1) \ 427 ((undef2__resp_id__undef1 >> 4) & 0xFF) /* 20:8:4 */ 428 429#define GET_RESP_ID_9K_X(undef2__resp_id) \ 430 ((undef2__resp_id) & 0xFFF) /* 20:12 */ 431 432#define GET_LARGE_RESP_ID(misc__large_resp_id) \ 433 ((misc__large_resp_id) & 0xFFFF) /* 16:16 */ 434 435#define GET_REQ_ID(lun_l4__req_id) \ 436 (lun_l4__req_id & 0xFFF) /* 4:12 */ 437 438#define GET_LUN_L4(lun_l4__req_id) \ 439 ((lun_l4__req_id >> 12) & 0xF) /* 4:12 */ 440 441#define GET_SGL_ENTRIES(lun_h4__sgl_entries) \ 442 (lun_h4__sgl_entries & 0xFFF) /* 4:12 */ 443 444#define GET_LUN_H4(lun_h4__sgl_entries) \ 445 ((lun_h4__sgl_entries >> 12) & 0xF) /* 4:12 */ 446 447 448 449#endif /* TW_CL_FWIF_H */ 450