/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License (the "License").
* You may not use this file except in compliance with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright 2008 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
/*LINTLIBRARY*/
/*
*
* This module is part of the photon Command Line
* Interface program.
*
*/
/*
* I18N message number ranges
* This file: 11500 - 11999
* Shared common messages: 1 - 1999
*/
/* #define _POSIX_SOURCE 1 */
/* Includes */
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <sys/file.h>
#include <sys/types.h>
#include <fcntl.h>
#include <sys/sunddi.h>
#include <sys/systm.h>
#include <sys/scsi/scsi.h>
#include <nl_types.h>
#include <unistd.h>
#include <l_common.h>
#include <stgcom.h>
#include <l_error.h>
#include <g_state.h>
#include <errno.h>
#include <devid.h>
#include <libdevinfo.h>
/* Defines */
/* Because of a bug in Unisys Envsen card, Bug ID:1266986. */
#define SCSI_ESI_PCV 0x01 /* Page Code Valid */
#define SCSI_ESI_PF 0x10 /* Page Format */
#define ACTION_MASK 0x1f /* Persistent Reserve In command */
#define IMMED 1 /* make the stop immediate */
#define DAK_PROD_STR "SUNWGS INT FCBPL"
#define DAK_BOXNAME_LEN 16 /* The length of the daktari boxname */
#define DAK_BOXNAME_OFF 36 /* The offset of the daktari boxname */
/* Global variables */
extern nl_catd l_catd;
/* Forward declarations */
static int scsi_read_capacity_16_cmd(int, struct scsi_capacity_16 *, int);
/* External functions */
int
g_scsi_persistent_reserve_in_cmd(int fd, uchar_t *buf_ptr,
int buf_len, uchar_t action)
{
struct uscsi_cmd ucmd;
my_cdb_g1 cdb = {SCMD_PERS_RESERV_IN, 0, 0, 0, 0, 0, 0, 0, 0, 0};
struct scsi_extended_sense sense;
if ((fd < 0) || (buf_ptr == NULL) || (buf_len < 0)) {
return (L_INVALID_ARG);
}
(void) memset(buf_ptr, 0, buf_len);
(void) memset((char *)&ucmd, 0, sizeof (ucmd));
cdb.byte1 = action & ACTION_MASK;
cdb.byte7 = (buf_len>>8) & 0xff;
cdb.byte8 = buf_len & 0xff;
ucmd.uscsi_cdb = (caddr_t)&cdb;
ucmd.uscsi_cdblen = CDB_GROUP1;
ucmd.uscsi_bufaddr = (caddr_t)buf_ptr;
ucmd.uscsi_buflen = buf_len;
ucmd.uscsi_rqbuf = (caddr_t)&sense;
ucmd.uscsi_rqlen = sizeof (struct scsi_extended_sense);
ucmd.uscsi_timeout = 60;
if (buf_len & 0x03) {
return (L_PR_INVLD_TRNSFR_LEN);
}
/* Do in SILENT mode as cmd may not be supported. */
return (cmd(fd, &ucmd, USCSI_READ | USCSI_SILENT));
}
/*
* Send Diagnostic command
*
* NOTE: This function includes a delay.
*/
int
g_scsi_send_diag_cmd(int fd, uchar_t *buf_ptr, int buf_len)
{
struct uscsi_cmd ucmd;
uchar_t cdb[] = {SCMD_SDIAG, SCSI_ESI_PF, 0, 0, 0, 0};
struct scsi_extended_sense sense;
int err;
if ((fd < 0) || (buf_ptr == NULL) || (buf_len < 0)) {
return (L_INVALID_ARG);
}
(void) memset((char *)&ucmd, 0, sizeof (ucmd));
cdb[3] = (buf_len>>8) & 0xff;
cdb[4] = buf_len & 0xff;
ucmd.uscsi_cdb = (caddr_t)cdb;
ucmd.uscsi_cdblen = CDB_GROUP0;
ucmd.uscsi_bufaddr = (caddr_t)buf_ptr;
ucmd.uscsi_buflen = buf_len;
ucmd.uscsi_rqbuf = (caddr_t)&sense;
ucmd.uscsi_rqlen = sizeof (struct scsi_extended_sense);
ucmd.uscsi_timeout = 60;
if (err = cmd(fd, &ucmd, USCSI_WRITE)) {
return (err);
}
/*
* Allow time for things to stabilize.
*/
sleep(5);
return (0);
}
/*
* Internal routine to allow manipulation of the cdb[1] byte
* in receive diag.
*/
static int
rec_diag_cmd(int fd, uchar_t *buf_ptr, int buf_len, uchar_t page_code,
uchar_t cdb_one)
{
struct uscsi_cmd ucmd;
uchar_t cdb[] = {SCMD_GDIAG, 0, 0, 0, 0, 0};
struct scsi_extended_sense sense;
if ((fd < 0) || (buf_ptr == NULL) || (buf_len < 0)) {
return (L_INVALID_ARG);
}
(void) memset(buf_ptr, 0, buf_len);
(void) memset((char *)&ucmd, 0, sizeof (ucmd));
cdb[1] = cdb_one;
cdb[2] = page_code;
cdb[3] = (buf_len>>8) & 0xff;
cdb[4] = buf_len & 0xff;
ucmd.uscsi_cdb = (caddr_t)cdb;
ucmd.uscsi_cdblen = CDB_GROUP0;
ucmd.uscsi_bufaddr = (caddr_t)buf_ptr;
ucmd.uscsi_buflen = buf_len;
ucmd.uscsi_rqbuf = (caddr_t)&sense;
ucmd.uscsi_rqlen = sizeof (struct scsi_extended_sense);
ucmd.uscsi_timeout = 60;
return (cmd(fd, &ucmd, USCSI_READ));
}
/*
* Receive Diagnostic command
*/
int
g_scsi_rec_diag_cmd(int fd, uchar_t *buf_ptr, int buf_len, uchar_t page_code)
{
int status;
if ((fd < 0) || (buf_ptr == NULL) || (buf_len < 0)) {
return (L_INVALID_ARG);
}
if (buf_len & 0x03) {
return (L_RD_INVLD_TRNSFR_LEN);
}
/*
* The a5k and newer enclosures abide by the SCSI spec
* (SPC-2: 7.15) but the SSA does not. It requires
* 0x10 to be present in cdb[1].
*
* For enclosures that abide by the spec, the first call
* will work. For SSAs the first call will fail, at which
* point we try again with the SSA specific value.
*/
status = rec_diag_cmd(fd, buf_ptr, buf_len, page_code, SCSI_ESI_PCV);
if (status != 0) {
status = rec_diag_cmd(fd, buf_ptr, buf_len, page_code, SCSI_ESI_PF);
}
return (status);
}
/*
* Write buffer command set up to download firmware
*/
int
g_scsi_writebuffer_cmd(int fd, int off, uchar_t *buf_ptr, int buf_len,
int sp, int bid)
{
struct uscsi_cmd ucmd;
my_cdb_g1 cdb = {SCMD_WRITE_BUFFER, 0x4, 0, 0, 0, 0, 0, 0, 0, 0};
struct scsi_extended_sense sense;
if ((fd < 0) || (buf_ptr == NULL) || (buf_len < 0)) {
return (L_INVALID_ARG);
}
(void) memset((char *)&ucmd, 0, sizeof (ucmd));
cdb.byte1 |= sp; /* set the save bit */
cdb.byte2 = (char)(bid & 0xff);
cdb.byte3 = off>>16; /* bytes 3-5 contain file offset */
cdb.byte4 = (off>>8) & 0xff;
cdb.byte5 = off & 0xff;
cdb.byte6 = buf_len>>16; /* bytes 6-8 contain file length */
cdb.byte7 = (buf_len>>8) & 0xff;
cdb.byte8 = buf_len & 0xff;
ucmd.uscsi_cdb = (caddr_t)&cdb;
ucmd.uscsi_cdblen = CDB_GROUP1;
ucmd.uscsi_bufaddr = (caddr_t)buf_ptr;
ucmd.uscsi_buflen = buf_len;
ucmd.uscsi_rqbuf = (caddr_t)&sense;
ucmd.uscsi_rqlen = sizeof (struct scsi_extended_sense);
ucmd.uscsi_timeout = 240; /* long timeout required */
return (cmd(fd, &ucmd, USCSI_WRITE));
}
/*
* Read buffer command set up to upload firmware
* Reads from code image starting at offset
* "code_off" for "buf_len" bytes.
*/
int
g_scsi_readbuffer_cmd(int fd, uchar_t *buf_ptr, int buf_len, int code_off)
{
struct uscsi_cmd ucmd;
my_cdb_g1 cdb = {SCMD_READ_BUFFER, 0x5, 0, 0, 0, 0, 0, 0, 0, 0};
struct scsi_extended_sense sense;
if ((fd < 0) || (buf_ptr == NULL) || (buf_len < 0)) {
return (L_INVALID_ARG);
}
(void) memset((char *)&ucmd, 0, sizeof (ucmd));
cdb.byte3 = (code_off >> 16) & 0xff;
cdb.byte4 = (code_off >> 8) & 0xff;
cdb.byte5 = code_off & 0xff;
cdb.byte6 = buf_len>>16; /* bytes 6-8 contain file length */
cdb.byte7 = (buf_len>>8) & 0xff;
cdb.byte8 = buf_len & 0xff;
ucmd.uscsi_cdb = (caddr_t)&cdb;
ucmd.uscsi_cdblen = CDB_GROUP1;
ucmd.uscsi_bufaddr = (caddr_t)buf_ptr;
ucmd.uscsi_buflen = buf_len;
ucmd.uscsi_rqbuf = (caddr_t)&sense;
ucmd.uscsi_rqlen = sizeof (struct scsi_extended_sense);
ucmd.uscsi_timeout = 120;
return (cmd(fd, &ucmd, USCSI_READ));
}
int
g_scsi_inquiry_cmd(int fd, uchar_t *buf_ptr, int buf_len)
{
struct uscsi_cmd ucmd;
my_cdb_g0 cdb = {SCMD_INQUIRY, 0, 0, 0, 0, 0};
struct scsi_extended_sense sense;
int myreturn;
if ((fd < 0) || (buf_ptr == NULL) || (buf_len < 0)) {
return (L_INVALID_ARG);
}
(void) memset(buf_ptr, 0, buf_len);
(void) memset((char *)&ucmd, 0, sizeof (ucmd));
cdb.count = (uchar_t)buf_len;
ucmd.uscsi_cdb = (caddr_t)&cdb;
ucmd.uscsi_cdblen = CDB_GROUP0;
ucmd.uscsi_bufaddr = (caddr_t)buf_ptr;
ucmd.uscsi_buflen = buf_len;
ucmd.uscsi_rqbuf = (caddr_t)&sense;
ucmd.uscsi_rqlen = sizeof (struct scsi_extended_sense);
ucmd.uscsi_timeout = 60;
myreturn = cmd(fd, &ucmd, USCSI_READ | USCSI_SILENT);
if (myreturn) {
return (myreturn); /* != 0, error just return */
}
/*
* This is a work around for the format of Daktari's
* SCSI inquiry page information. The name of the enclosure
* is not in the same place that products like the a5000 place it
* so we have to copy the string to the expected location.
*/
if (strncmp((char *)&buf_ptr[16], DAK_PROD_STR,
strlen(DAK_PROD_STR)) == 0) {
strncpy((char *)&buf_ptr[96], (char *)&buf_ptr[DAK_BOXNAME_OFF],
DAK_BOXNAME_LEN);
}
return (myreturn);
}
int
g_scsi_log_sense_cmd(int fd, uchar_t *buf_ptr, int buf_len, uchar_t page_code)
{
struct uscsi_cmd ucmd;
my_cdb_g1 cdb = {SCMD_LOG_SENSE, 0, 0x40, 0, 0, 0, 0, 0, 0, 0};
struct scsi_extended_sense sense;
if ((fd < 0) || (buf_ptr == NULL) || (buf_len < 0)) {
return (L_INVALID_ARG);
}
/* clear buffers on cmds that read data */
(void) memset(buf_ptr, 0, buf_len);
(void) memset((char *)&ucmd, 0, sizeof (ucmd));
cdb.byte2 |= page_code; /* requested page */
cdb.byte7 = buf_len>>8;
cdb.byte8 = buf_len & 0xff;
ucmd.uscsi_cdb = (caddr_t)&cdb;
ucmd.uscsi_cdblen = CDB_GROUP1;
ucmd.uscsi_bufaddr = (caddr_t)buf_ptr;
ucmd.uscsi_buflen = buf_len;
ucmd.uscsi_rqbuf = (caddr_t)&sense;
ucmd.uscsi_rqlen = sizeof (struct scsi_extended_sense);
ucmd.uscsi_timeout = 120;
return (cmd(fd, &ucmd, USCSI_READ));
}
/*
* MODE SELECT
*
* MODE SELECT USCSI command
*
* sp is the save pages bit - Must be bit 0 -
*
*/
int
g_scsi_mode_select_cmd(int fd, uchar_t *buf_ptr, int buf_len, uchar_t sp)
{
struct uscsi_cmd ucmd;
/* 10 byte Mode Select cmd */
my_cdb_g1 cdb = {SCMD_MODE_SELECT_G1, 0, 0, 0, 0, 0, 0, 0, 0, 0};
struct scsi_extended_sense sense;
if ((fd < 0) || (buf_ptr == NULL) || (buf_len < 0)) {
return (L_INVALID_ARG);
}
(void) memset((char *)&ucmd, 0, sizeof (ucmd));
cdb.byte1 = (sp & 1) | 0x10; /* 0x10 is the PF bit */
cdb.byte7 = buf_len>>8;
cdb.byte8 = buf_len & 0xff;
ucmd.uscsi_cdb = (caddr_t)&cdb;
ucmd.uscsi_cdblen = CDB_GROUP1;
ucmd.uscsi_bufaddr = (caddr_t)buf_ptr;
ucmd.uscsi_buflen = buf_len;
ucmd.uscsi_rqbuf = (caddr_t)&sense;
ucmd.uscsi_rqlen = sizeof (struct scsi_extended_sense);
ucmd.uscsi_timeout = 120;
return (cmd(fd, &ucmd, USCSI_WRITE));
}
/*
* MODE SENSE USCSI command
*
*
* pc = page control field
* page_code = Pages to return
*/
int
g_scsi_mode_sense_cmd(int fd,
uchar_t *buf_ptr,
int buf_len,
uchar_t pc,
uchar_t page_code)
{
struct uscsi_cmd ucmd;
/* 10 byte Mode Select cmd */
my_cdb_g1 cdb = {SCMD_MODE_SENSE_G1, 0, 0, 0, 0, 0, 0, 0, 0, 0};
struct scsi_extended_sense sense;
int status;
static int uscsi_count;
if ((fd < 0) || (buf_ptr == NULL) || (buf_len < 0)) {
return (L_INVALID_ARG);
}
(void) memset(buf_ptr, 0, buf_len);
(void) memset((char *)&ucmd, 0, sizeof (ucmd));
/* Just for me - a sanity check */
if ((page_code > MODEPAGE_ALLPAGES) || (pc > 3) ||
(buf_len > MAX_MODE_SENSE_LEN)) {
return (L_ILLEGAL_MODE_SENSE_PAGE);
}
cdb.byte2 = (pc << 6) + page_code;
cdb.byte7 = buf_len>>8;
cdb.byte8 = buf_len & 0xff;
ucmd.uscsi_cdb = (caddr_t)&cdb;
ucmd.uscsi_cdblen = CDB_GROUP1;
ucmd.uscsi_bufaddr = (caddr_t)buf_ptr;
ucmd.uscsi_buflen = buf_len;
ucmd.uscsi_rqbuf = (caddr_t)&sense;
ucmd.uscsi_rqlen = sizeof (struct scsi_extended_sense);
ucmd.uscsi_timeout = 120;
status = cmd(fd, &ucmd, USCSI_READ);
/* Bytes actually transfered */
if (status == 0) {
uscsi_count = buf_len - ucmd.uscsi_resid;
S_DPRINTF(" Number of bytes read on "
"Mode Sense 0x%x\n", uscsi_count);
if (getenv("_LUX_D_DEBUG") != NULL) {
(void) g_dump(" Mode Sense data: ", buf_ptr,
uscsi_count, HEX_ASCII);
}
}
return (status);
}
int
g_scsi_read_capacity_cmd(int fd, uchar_t *buf_ptr, int buf_len)
{
struct uscsi_cmd ucmd;
my_cdb_g1 cdb = {SCMD_READ_CAPACITY, 0, 0, 0, 0, 0, 0, 0, 0, 0};
struct scsi_extended_sense sense;
if ((fd < 0) || (buf_ptr == NULL) || (buf_len < 0)) {
return (L_INVALID_ARG);
}
/* clear buffers on on cmds that read data */
(void) memset(buf_ptr, 0, buf_len);
(void) memset((char *)&ucmd, 0, sizeof (ucmd));
ucmd.uscsi_cdb = (caddr_t)&cdb;
ucmd.uscsi_cdblen = CDB_GROUP1;
ucmd.uscsi_bufaddr = (caddr_t)buf_ptr;
ucmd.uscsi_buflen = buf_len;
ucmd.uscsi_rqbuf = (caddr_t)&sense;
ucmd.uscsi_rqlen = sizeof (struct scsi_extended_sense);
ucmd.uscsi_timeout = 60;
return (cmd(fd, &ucmd, USCSI_READ));
}
int
g_scsi_read_capacity_1016_cmd(int fd,
struct scsi_capacity_16 *cap_ptr, int buf_len)
{
struct uscsi_cmd ucmd;
my_cdb_g1 cdb = {SCMD_READ_CAPACITY, 0, 0, 0, 0, 0, 0, 0, 0, 0};
struct scsi_extended_sense sense;
struct scsi_capacity cap_old;
int ret;
if ((fd < 0) || (cap_ptr == NULL) ||
(buf_len < sizeof (struct scsi_capacity_16))) {
return (L_INVALID_ARG);
}
/* clear buffers on on cmds that read data */
(void) memset((char *)&cap_old, 0, sizeof (cap_old));
(void) memset((char *)&ucmd, 0, sizeof (ucmd));
ucmd.uscsi_cdb = (caddr_t)&cdb;
ucmd.uscsi_cdblen = CDB_GROUP1;
ucmd.uscsi_bufaddr = (caddr_t)&cap_old;
ucmd.uscsi_buflen = sizeof (cap_old);
ucmd.uscsi_rqbuf = (caddr_t)&sense;
ucmd.uscsi_rqlen = sizeof (struct scsi_extended_sense);
ucmd.uscsi_timeout = 60;
ret = cmd(fd, &ucmd, USCSI_READ);
if (cap_old.capacity == 0xffffffff) {
/*
* A capacity of 0xffffffff in response to a
* READ CAPACITY 10 indicates that the lun
* is too large to report the size in a 32 bit
* value, and a READ CAPACITY 16 is required
* to get the correct size.
*/
ret = scsi_read_capacity_16_cmd(fd, cap_ptr, buf_len);
} else {
cap_ptr->sc_capacity = cap_old.capacity;
cap_ptr->sc_lbasize = cap_old.lbasize;
}
return (ret);
}
static int
scsi_read_capacity_16_cmd(int fd,
struct scsi_capacity_16 *cap_ptr, int buf_len)
{
struct uscsi_cmd ucmd;
union scsi_cdb cdb;
struct scsi_extended_sense sense;
if ((fd < 0) || (cap_ptr == NULL) ||
(buf_len < sizeof (struct scsi_capacity_16))) {
return (L_INVALID_ARG);
}
/* clear buffers on on cmds that read data */
(void) memset((char *)cap_ptr, 0, buf_len);
(void) memset((char *)&ucmd, 0, sizeof (ucmd));
(void) memset((char *)&cdb, 0, sizeof (union scsi_cdb));
ucmd.uscsi_cdb = (caddr_t)&cdb;
ucmd.uscsi_cdblen = CDB_GROUP4;
ucmd.uscsi_bufaddr = (caddr_t)cap_ptr;
ucmd.uscsi_buflen = buf_len;
ucmd.uscsi_rqbuf = (caddr_t)&sense;
ucmd.uscsi_rqlen = sizeof (struct scsi_extended_sense);
ucmd.uscsi_timeout = 60;
/*
* Read Capacity (16) is a Service Action In command. One
* command byte (0x9E) is overloaded for multiple operations,
* with the second CDB byte specifying the desired operation
*/
cdb.scc_cmd = SCMD_SVC_ACTION_IN_G4;
cdb.cdb_opaque[1] = SSVC_ACTION_READ_CAPACITY_G4;
/*
* Fill in allocation length field
*/
cdb.cdb_opaque[10] =
(uchar_t)((ucmd.uscsi_buflen & 0xff000000) >> 24);
cdb.cdb_opaque[11] =
(uchar_t)((ucmd.uscsi_buflen & 0x00ff0000) >> 16);
cdb.cdb_opaque[12] =
(uchar_t)((ucmd.uscsi_buflen & 0x0000ff00) >> 8);
cdb.cdb_opaque[13] =
(uchar_t)(ucmd.uscsi_buflen & 0x000000ff);
return (cmd(fd, &ucmd, USCSI_READ));
}
int
g_scsi_release_cmd(int fd)
{
struct uscsi_cmd ucmd;
const my_cdb_g0 cdb = {SCMD_RELEASE, 0, 0, 0, 0, 0};
struct scsi_extended_sense sense;
if (fd < 0) {
return (L_INVALID_ARG);
}
(void) memset((char *)&ucmd, 0, sizeof (ucmd));
ucmd.uscsi_cdb = (caddr_t)&cdb;
ucmd.uscsi_cdblen = CDB_GROUP0;
ucmd.uscsi_bufaddr = NULL;
ucmd.uscsi_buflen = 0;
ucmd.uscsi_rqbuf = (caddr_t)&sense;
ucmd.uscsi_rqlen = sizeof (struct scsi_extended_sense);
ucmd.uscsi_timeout = 60;
return (cmd(fd, &ucmd, 0));
}
int
g_scsi_reserve_cmd(int fd)
{
struct uscsi_cmd ucmd;
const my_cdb_g0 cdb = {SCMD_RESERVE, 0, 0, 0, 0, 0};
struct scsi_extended_sense sense;
if (fd < 0) {
return (L_INVALID_ARG);
}
(void) memset((char *)&ucmd, 0, sizeof (ucmd));
ucmd.uscsi_cdb = (caddr_t)&cdb;
ucmd.uscsi_cdblen = CDB_GROUP0;
ucmd.uscsi_bufaddr = NULL;
ucmd.uscsi_buflen = 0;
ucmd.uscsi_rqbuf = (caddr_t)&sense;
ucmd.uscsi_rqlen = sizeof (struct scsi_extended_sense);
ucmd.uscsi_timeout = 60;
return (cmd(fd, &ucmd, 0));
}
int
g_scsi_start_cmd(int fd)
{
struct uscsi_cmd ucmd;
/*
* Use this to induce a SCSI error
* const my_cdb_g0 cdb = {SCMD_START_STOP, 0, 0xff, 0, 1, 0};
*/
const my_cdb_g0 cdb = {SCMD_START_STOP, 0, 0, 0, 1, 0};
struct scsi_extended_sense sense;
if (fd < 0) {
return (L_INVALID_ARG);
}
(void) memset((char *)&ucmd, 0, sizeof (ucmd));
ucmd.uscsi_cdb = (caddr_t)&cdb;
ucmd.uscsi_cdblen = CDB_GROUP0;
ucmd.uscsi_bufaddr = NULL;
ucmd.uscsi_buflen = 0;
ucmd.uscsi_rqbuf = (caddr_t)&sense;
ucmd.uscsi_rqlen = sizeof (struct scsi_extended_sense);
ucmd.uscsi_timeout = 240; /* takes a while to start all */
return (cmd(fd, &ucmd, 0));
}
int
g_scsi_stop_cmd(int fd, int immediate_flag)
{
struct uscsi_cmd ucmd;
my_cdb_g0 cdb = {SCMD_START_STOP, 0, 0, 0, 0, 0};
struct scsi_extended_sense sense;
if (fd < 0) {
return (L_INVALID_ARG);
}
(void) memset((char *)&ucmd, 0, sizeof (ucmd));
if (immediate_flag) {
cdb.lba_msb = IMMED;
}
ucmd.uscsi_cdb = (caddr_t)&cdb;
ucmd.uscsi_cdblen = CDB_GROUP0;
ucmd.uscsi_bufaddr = NULL;
ucmd.uscsi_buflen = 0;
ucmd.uscsi_rqbuf = (caddr_t)&sense;
ucmd.uscsi_rqlen = sizeof (struct scsi_extended_sense);
ucmd.uscsi_timeout = 120;
return (cmd(fd, &ucmd, 0));
}
int
g_scsi_tur(int fd)
{
struct uscsi_cmd ucmd;
const my_cdb_g0 cdb = {SCMD_TEST_UNIT_READY, 0, 0, 0, 0, 0};
struct scsi_extended_sense sense;
if (fd < 0) {
return (L_INVALID_ARG);
}
(void) memset((char *)&ucmd, 0, sizeof (ucmd));
ucmd.uscsi_cdb = (caddr_t)&cdb;
ucmd.uscsi_cdblen = CDB_GROUP0;
ucmd.uscsi_bufaddr = NULL;
ucmd.uscsi_buflen = NULL;
ucmd.uscsi_rqbuf = (caddr_t)&sense;
ucmd.uscsi_rqlen = sizeof (struct scsi_extended_sense);
ucmd.uscsi_timeout = 60;
return (cmd(fd, &ucmd, 0));
}
/*
* NOTE: This function includes a delay.
*/
int
g_scsi_reset(int fd)
{
struct uscsi_cmd ucmd;
struct scsi_extended_sense sense;
int err;
if (fd < 0) {
return (L_INVALID_ARG);
}
(void) memset((char *)&ucmd, 0, sizeof (ucmd));
ucmd.uscsi_cdb = NULL;
ucmd.uscsi_cdblen = NULL;
ucmd.uscsi_bufaddr = NULL;
ucmd.uscsi_buflen = NULL;
ucmd.uscsi_rqbuf = (caddr_t)&sense;
ucmd.uscsi_rqlen = sizeof (struct scsi_extended_sense);
ucmd.uscsi_timeout = 60;
if (err = cmd(fd, &ucmd, USCSI_RESET)) {
return (err);
}
/*
* Allow time for things to stabilize.
*/
sleep(20);
return (0);
}
/*
* Description:
* Retrieves a devid from a device path.
*
* Input Values:
*
* devpath: Valid block device path.
* Example:/devices/scsi_vhci/ssd@g280000602200416d6257333030303353:c,raw
*
* devid: ptr to ddi_devid_t struct
* root: root handle to device tree snapshot
* drvr_name: driver name to start the node tree search
* On success, devid points to device tree handle to devid
* di_fini on root will invalidate devid pointer
*
* Return Value:
* 0 on success
* non-zero on failure
*/
int
g_devid_get(char *devpath, ddi_devid_t *devid, di_node_t root,
const char *drvr_name)
{
char *cptr;
char rootpath[MAXPATHLEN];
di_node_t node;
char *devfs_path = NULL;
hrtime_t start_time, end_time;
char *env = NULL;
if (devpath == NULL || devid == NULL || drvr_name == NULL) {
return (L_INVALID_ARG);
}
if ((env = getenv("_LUX_T_DEBUG")) != NULL) {
start_time = gethrtime();
}
*devid = NULL;
rootpath[0] = '\0';
/*
* Form a valid root path by stripping off the /devices/ mount point
* prefix and the minor name (:a[,raw]).
*/
if (strstr(devpath, DEV_PREFIX)) {
strcat(rootpath, devpath + strlen(DEV_PREFIX) - 1);
if (strchr(devpath, ':')) {
cptr = strrchr(rootpath, ':');
*cptr = '\0';
} else {
return (L_INVALID_PATH);
}
} else {
return (L_INVALID_PATH);
}
/* point to first node which matches portdrvr */
node = di_drv_first_node(drvr_name, root);
if (node == DI_NODE_NIL) {
/*
* Could not find driver node
*/
return (L_NO_DEVID);
}
while (node != DI_NODE_NIL) {
if ((devfs_path = di_devfs_path(node)) != NULL) {
if (strcmp(rootpath, devfs_path) == 0) {
*devid = di_devid(node);
di_devfs_path_free(devfs_path);
break;
}
di_devfs_path_free(devfs_path);
}
node = di_drv_next_node(node);
}
if (env != NULL) {
end_time = gethrtime();
(void) fprintf(stdout,
" g_devid_get: "
"\t\tTime = %lld millisec\n",
(end_time - start_time)/1000000);
}
/* Did we get back a handle? */
if (*devid != NULL) {
return (0);
} else { /* Couldn't get a devid. */
return (L_NO_DEVID);
}
}