/* $OpenBSD: twereg.h,v 1.5 2001/03/30 21:50:57 mickey Exp $ */ /* * Copyright (c) 2000 Michael Shalayeff * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. All advertising materials mentioning features or use of this software * must display the following acknowledgement: * This product includes software developed by Michael Shalayeff. * 4. The name of the author may not be used to endorse or promote products * derived from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. * IN NO EVENT SHALL THE AUTHOR OR HIS RELATIVES BE LIABLE FOR ANY DIRECT, * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR * SERVICES; LOSS OF MIND, USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * 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 OF THIS SOFTWARE, EVEN IF ADVISED OF * THE POSSIBILITY OF SUCH DAMAGE. */ /* * most of the meaning for registers were taken from * freebsd driver, which in turn got 'em from linux. * it seems those got 'em from windows driver, in it's turn. */ /* general parameters */ #define TWE_MAX_UNITS 16 #define TWE_MAXOFFSETS 62 #define TWE_MAXCMDS 255 #define TWE_SECTOR_SIZE 512 #define TWE_ALIGN 512 #define TWE_MAXFER (TWE_MAXOFFSETS * PAGE_SIZE) /* registers */ #define TWE_CONTROL 0x00 #define TWE_CTRL_CHOSTI 0x00080000 /* clear host int */ #define TWE_CTRL_CATTNI 0x00040000 /* clear attention int */ #define TWE_CTRL_MCMDI 0x00020000 /* mask cmd int */ #define TWE_CTRL_MRDYI 0x00010000 /* mask ready int */ #define TWE_CTRL_ECMDI 0x00008000 /* enable cmd int */ #define TWE_CTRL_ERDYI 0x00004000 /* enable ready int */ #define TWE_CTRL_CERR 0x00000200 /* clear error status */ #define TWE_CTRL_SRST 0x00000100 /* soft reset */ #define TWE_CTRL_EINT 0x00000080 /* enable ints */ #define TWE_CTRL_MINT 0x00000040 /* mask ints */ #define TWE_CTRL_HOSTI 0x00000020 /* generate host int */ #define TWE_STATUS 0x04 #define TWE_STAT_MAJV 0xf0000000 #define TWE_MAJV(st) (((st) >> 28) & 0xf) #define TWE_STAT_MINV 0x0f000000 #define TWE_MINV(st) (((st) >> 24) & 0xf) #define TWE_STAT_PCIPAR 0x00800000 #define TWE_STAT_QUEUEE 0x00400000 #define TWE_STAT_CPUERR 0x00200000 #define TWE_STAT_PCIABR 0x00100000 #define TWE_STAT_HOSTI 0x00080000 #define TWE_STAT_ATTNI 0x00040000 #define TWE_STAT_CMDI 0x00020000 #define TWE_STAT_RDYI 0x00010000 #define TWE_STAT_CQF 0x00008000 /* cmd queue full */ #define TWE_STAT_RQE 0x00004000 /* ready queue empty */ #define TWE_STAT_CPURDY 0x00002000 /* cpu ready */ #define TWE_STAT_CQR 0x00001000 /* cmd queue ready */ #define TWE_STAT_FLAGS 0x00fff000 /* mask out other stuff */ #define TWE_STAT_BITS "\020\015cqr\016cpurdy\017rqe\20cqf" \ "\021rdyi\022cmdi\023attni\024hosti\025pciabr\026cpuerr\027queuee\030pcipar" #define TWE_COMMANDQUEUE 0x08 /* * the segs offset is encoded into upper 3 bits of the opcode. * i bet other bits mean something too * upper 8 bits is the command size in 32bit words. */ #define TWE_CMD_NOP 0x0200 #define TWE_CMD_INIT 0x0301 #define TWE_CMD_READ 0x0362 #define TWE_CMD_WRITE 0x0363 #define TWE_CMD_RDVRFY 0x0364 #define TWE_CMD_VERIFY 0x0365 #define TWE_CMD_ZRFUNIT 0x0208 #define TWE_CMD_RPLUNIT 0x0209 #define TWE_CMD_HOTSWAP 0x020a #define TWE_CMD_SETATA 0x020c #define TWE_CMD_FLUSH 0x020e #define TWE_CMD_ABORT 0x020f #define TWE_CMD_QSTAT 0x0210 #define TWE_CMD_GPARAM 0x0252 #define TWE_CMD_SPARAM 0x0253 #define TWE_CMD_NEWUNIT 0x0214 #define TWE_CMD_DELUNIT 0x0215 #define TWE_CMD_RBLUNIT 0x0217 /* rebuild */ #define TWE_CMD_SECINF 0x021a #define TWE_CMD_AEN 0x021c #define TWE_CMD_CMDPK 0x021d #define TWE_READYQUEUE 0x0c #define TWE_READYID(u) (((u) >> 4) & 0xff) /* * From 3ware's documentation: * * All parameters maintained by the controller are grouped into related * tables. Tables are are accessed indirectly via get and set parameter * commands. To access a specific parameter in a table, the table ID and * parameter index are used to uniquely identify a parameter. Table * 0xffff is the directory table and provides a list of the table IDs and * sizes of all other tables. Index zero in each table specifies the * entire table, and index one specifies the size of the table. An entire * table can be read or set by using index zero. */ /* get/set param table ids */ #define TWE_PARAM_ALL 0x000 /* everything */ #define TWE_PARAM_DSUM 0x002 /* drive summary */ #define TWE_PARAM_UC 0x003 /* unit config */ #define TWE_PARAM_DC 0x200 /* + 15 -- drive config (doc says 0x100) */ #define TWE_PARAM_UI 0x300 /* + 16 -- unit information */ #define TWE_PARAM_AEN 0x401 #define TWE_PARAM_VER 0x402 /* version info */ #define TWE_PARAM_CTRL 0x403 /* controller info */ #define TWE_PARAM_FTRS 0x404 /* features */ #define TWE_PARAM_DIR 0xffff /* param table directory */ #define TWE_AEN_QEMPTY 0x0000 #define TWE_AEN_SRST 0x0001 #define TWE_AEN_DMIRROR 0x0002 /* degraded mirror */ #define TWE_AEN_CERROR 0x0003 /* controller error */ #define TWE_AEN_RBFAIL 0x0004 /* rebuild failed */ #define TWE_AEN_RBDONE 0x0005 /* TWE_AEN_ 0x0009 * dunno what this is (yet) */ #define TWE_AEN_ISTART 0x000c /* init started */ #define TWE_AEN_QFULL 0x00ff #define TWE_AEN_TUN 0x0015 /* table undefined */ #pragma pack(1) /* struct definitions */ struct twe_param { u_int16_t table_id; u_int8_t param_id; u_int8_t param_size; u_int8_t data[1]; }; struct twe_segs { u_int32_t twes_addr; u_int32_t twes_len; }; struct twe_cmd { u_int16_t cmd_op; u_int8_t cmd_index; u_int8_t cmd_unit_host; #define TWE_UNITHOST(u, h) (((u) & 0xf) | ((h) << 4)) u_int8_t cmd_status; u_int8_t cmd_flags; #define TWE_FLAGS_CACHEDISABLE 0x01 union { struct { u_int16_t count; u_int32_t lba; struct twe_segs segs[TWE_MAXOFFSETS]; u_int32_t pad; } _cmd_io; #define cmd_io _._cmd_io struct { u_int16_t count; struct twe_segs segs[TWE_MAXOFFSETS]; } _cmd_param; #define cmd_param _._cmd_param struct { u_int16_t msgcr; u_int32_t rdy_q_ptr; } _cmd_init; #define cmd_init _._cmd_init struct { u_int8_t action; #define TWE_HSWAP_REMOVE 0 #define TWE_HSWAP_ADDCBOD 1 #define TWE_HSWAP_ADDSPARE 2 u_int8_t port; } _cmd_aport; #define cmd_hswap _._cmd_hswap struct { u_int8_t feature; #define TWE_ATA_WCE 0x02 #define TWE_ATA_NWCE 0x82 u_int8_t mode; u_int16_t units; u_int16_t persist; } _cmd_ata; #define cmd_ata _._cmd_ata u_int16_t cmd_status; struct { u_int8_t action; #define TWE_REBUILD_NOP 0 #define TWE_REBUILD_STOP 2 #define TWE_REBUILD_START 4 #define TWE_REBUILD_STARTU 5 #define TWE_REBUILD_CS 0x80 u_int8_t subunit; /* raid10 lu rebuild */ } _cmd_rebuild; #define cmd_rebuild _._cmd_rebuild } _; }; /* 512 bytes */ #pragma pack()