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os_freebsd.h 7.17 KiB
/*
* os_freebsd.h
*
* Home page of code is: http://smartmontools.sourceforge.net
*
* Copyright (C) 2003-4 Eduard Martinescu <smartmontools-support@lists.sourceforge.net>
*
* 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, or (at your option)
* any later version.
*
* You should have received a copy of the GNU General Public License
* (for example COPYING); if not, write to the Free
* Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*
* This code was originally developed as a Senior Thesis by Michael Cornwell
* at the Concurrent Systems Laboratory (now part of the Storage Systems
* Research Center), Jack Baskin School of Engineering, University of
* California, Santa Cruz. http://ssrc.soe.ucsc.edu/
*
*/
#ifndef OS_FREEBSD_H_
#define OS_FREEBSD_H_
#define OS_XXXX_H_CVSID "$Id: os_freebsd.h,v 1.16 2004/09/05 01:09:00 arvoreen Exp $\n"
struct freebsd_dev_channel {
int channel; // the ATA channel to work with
int device; // the device on the channel
int atacommand; // the ATA Command file descriptor (/dev/ata)
char* devname; // the SCSI device name
int unitnum; // the SCSI unit number
int scsicontrol; // the SCSI control interface
};
#define FREEBSD_MAXDEV 64
#define FREEBSD_FDOFFSET 16;
#define MAX_NUM_DEV 26
#ifdef HAVE_SYS_TWEREG_H
#include <sys/twereg.h>
#else
/**
* The following cut out of twereg.h
*
*/
#if __FreeBSD_version < 500040
#define __packed __attribute__((__packed__))
#endif
#define TWE_MAX_SGL_LENGTH 62
#define TWE_MAX_ATA_SGL_LENGTH 60
#define TWE_OP_ATA_PASSTHROUGH 0x11
/* scatter/gather list entry */
typedef struct
{
u_int32_t address;
u_int32_t length;
} __packed TWE_SG_Entry;
typedef struct {
u_int8_t opcode:5; /* TWE_OP_INITCONNECTION */
u_int8_t res1:3;
u_int8_t size;
u_int8_t request_id;
u_int8_t res2:4;
u_int8_t host_id:4; u_int8_t status;
u_int8_t flags;
u_int16_t message_credits;
u_int32_t response_queue_pointer;
} __packed TWE_Command_INITCONNECTION;
typedef struct
{
u_int8_t opcode:5; /* TWE_OP_READ/TWE_OP_WRITE */
u_int8_t res1:3;
u_int8_t size;
u_int8_t request_id;
u_int8_t unit:4;
u_int8_t host_id:4;
u_int8_t status;
u_int8_t flags;
u_int16_t block_count;
u_int32_t lba;
TWE_SG_Entry sgl[TWE_MAX_SGL_LENGTH];
} __packed TWE_Command_IO;
typedef struct
{
u_int8_t opcode:5; /* TWE_OP_HOTSWAP */
u_int8_t res1:3;
u_int8_t size;
u_int8_t request_id;
u_int8_t unit:4;
u_int8_t host_id:4;
u_int8_t status;
u_int8_t flags;
u_int8_t action;
#define TWE_OP_HOTSWAP_REMOVE 0x00 /* remove assumed-degraded unit */
#define TWE_OP_HOTSWAP_ADD_CBOD 0x01 /* add CBOD to empty port */
#define TWE_OP_HOTSWAP_ADD_SPARE 0x02 /* add spare to empty port */
u_int8_t aport;
} __packed TWE_Command_HOTSWAP;
typedef struct
{
u_int8_t opcode:5; /* TWE_OP_SETATAFEATURE */
u_int8_t res1:3;
u_int8_t size;
u_int8_t request_id;
u_int8_t unit:4;
u_int8_t host_id:4;
u_int8_t status;
u_int8_t flags;
u_int8_t feature;
#define TWE_OP_SETATAFEATURE_WCE 0x02
#define TWE_OP_SETATAFEATURE_DIS_WCE 0x82
u_int8_t feature_mode;
u_int16_t all_units;
u_int16_t persistence;
} __packed TWE_Command_SETATAFEATURE;
typedef struct
{
u_int8_t opcode:5; /* TWE_OP_CHECKSTATUS */
u_int8_t res1:3;
u_int8_t size;
u_int8_t request_id;
u_int8_t unit:4;
u_int8_t res2:4;
u_int8_t status;
u_int8_t flags;
u_int16_t target_status; /* set low byte to target request's ID */
} __packed TWE_Command_CHECKSTATUS;
typedef struct{
u_int8_t opcode:5; /* TWE_OP_GETPARAM, TWE_OP_SETPARAM */
u_int8_t res1:3;
u_int8_t size;
u_int8_t request_id;
u_int8_t unit:4;
u_int8_t host_id:4;
u_int8_t status;
u_int8_t flags;
u_int16_t param_count;
TWE_SG_Entry sgl[TWE_MAX_SGL_LENGTH];
} __packed TWE_Command_PARAM;
typedef struct
{
u_int8_t opcode:5; /* TWE_OP_REBUILDUNIT */
u_int8_t res1:3;
u_int8_t size;
u_int8_t request_id;
u_int8_t src_unit:4;
u_int8_t host_id:4;
u_int8_t status;
u_int8_t flags;
u_int8_t action:7;
#define TWE_OP_REBUILDUNIT_NOP 0
#define TWE_OP_REBUILDUNIT_STOP 2 /* stop all rebuilds */
#define TWE_OP_REBUILDUNIT_START 4 /* start rebuild with lowest unit */
#define TWE_OP_REBUILDUNIT_STARTUNIT 5 /* rebuild src_unit (not supported) */
u_int8_t cs:1; /* request state change on src_unit */
u_int8_t logical_subunit; /* for RAID10 rebuild of logical subunit */
} __packed TWE_Command_REBUILDUNIT;
typedef struct
{
u_int8_t opcode:5;
u_int8_t sgl_offset:3;
u_int8_t size;
u_int8_t request_id;
u_int8_t unit:4;
u_int8_t host_id:4;
u_int8_t status;
u_int8_t flags;
u_int16_t param;
u_int16_t features;
u_int16_t sector_count;
u_int16_t sector_num;
u_int16_t cylinder_lo;
u_int16_t cylinder_hi;
u_int8_t drive_head;
u_int8_t command;
TWE_SG_Entry sgl[TWE_MAX_ATA_SGL_LENGTH];
} __packed TWE_Command_ATA;
typedef struct
{
u_int8_t opcode:5;
u_int8_t sgl_offset:3;
u_int8_t size;
u_int8_t request_id;
u_int8_t unit:4;
u_int8_t host_id:4;
u_int8_t status;
u_int8_t flags;
#define TWE_FLAGS_SUCCESS 0x00
#define TWE_FLAGS_INFORMATIONAL 0x01
#define TWE_FLAGS_WARNING 0x02
#define TWE_FLAGS_FATAL 0x03
#define TWE_FLAGS_PERCENTAGE (1<<8) /* bits 0-6 indicate completion percentage */
u_int16_t count; /* block count, parameter count, message credits */
} __packed TWE_Command_Generic;
/* command packet - must be TWE_ALIGNMENT aligned */
typedef union
{
TWE_Command_INITCONNECTION initconnection;
TWE_Command_IO io;
TWE_Command_PARAM param;
TWE_Command_CHECKSTATUS checkstatus;
TWE_Command_REBUILDUNIT rebuildunit;
TWE_Command_SETATAFEATURE setatafeature;
TWE_Command_ATA ata;
TWE_Command_Generic generic;
u_int8_t pad[512];
} TWE_Command;
/* response queue entry */
typedef union
{
struct
{
u_int32_t undefined_1:4;
u_int32_t response_id:8;
u_int32_t undefined_2:20;
} u;
u_int32_t value;
} TWE_Response_Queue;
#endif
#ifdef HAVE_SYS_TWEIO_H
#include <sys/tweio.h>
#else
/*
* Following cut out of tweio.h
*
*/
/*
* User-space command
*
* Note that the command's scatter/gather list will be computed by the
* driver, and cannot be filled in by the consumer.
*/
struct twe_usercommand {
TWE_Command tu_command; /* command ready for the controller */
void *tu_data; /* pointer to data in userspace */
size_t tu_size; /* userspace data length */
};
#define TWEIO_COMMAND _IOWR('T', 100, struct twe_usercommand)
#endif
/*
The following definitions/macros/prototypes are used for three
different interfaces, referred to as "the three cases" below.
CONTROLLER_3WARE_678K -- 6000, 7000, and 8000 controllers via /dev/sd?
CONTROLLER_3WARE_678K_CHAR -- 6000, 7000, and 8000 controllers via /dev/twe?
CONTROLLER_3WARE_9000_CHAR -- 9000 controllers via /dev/twa?
*/
#endif /* OS_FREEBSD_H_ */