#include <sys/param.h>
#include <sys/bus.h>
#include <sys/systm.h>
#include <sys/types.h>
#include <sys/malloc.h>
#include <sys/kernel.h>
#include <sys/time.h>
#include <sys/conf.h>
#include <sys/fcntl.h>
#include <sys/md5.h>
#include <sys/sbuf.h>
#include <sys/stdarg.h>
#include <sys/lock.h>
#include <sys/mutex.h>
#include <sys/sysctl.h>
#include <cam/cam.h>
#include <cam/cam_ccb.h>
#include <cam/cam_queue.h>
#include <cam/cam_periph.h>
#include <cam/cam_sim.h>
#include <cam/cam_xpt.h>
#include <cam/cam_xpt_sim.h>
#include <cam/cam_xpt_periph.h>
#include <cam/cam_xpt_internal.h>
#include <cam/cam_debug.h>
#include <cam/scsi/scsi_all.h>
#include <cam/scsi/scsi_message.h>
#include <cam/scsi/scsi_pass.h>
struct scsi_quirk_entry {
struct scsi_inquiry_pattern inq_pat;
uint8_t quirks;
#define CAM_QUIRK_NOLUNS 0x01
#define CAM_QUIRK_NOVPDS 0x02
#define CAM_QUIRK_HILUNS 0x04
#define CAM_QUIRK_NOHILUNS 0x08
#define CAM_QUIRK_NORPTLUNS 0x10
u_int mintags;
u_int maxtags;
};
#define SCSI_QUIRK(dev) ((struct scsi_quirk_entry *)((dev)->quirk))
static int cam_srch_hi = 0;
SYSCTL_INT(_kern_cam, OID_AUTO, cam_srch_hi, CTLFLAG_RWTUN,
&cam_srch_hi, 0, "Search above LUN 7 for SCSI3 and greater devices");
static int tur_timeout = 1000;
SYSCTL_INT(_kern_cam, OID_AUTO, tur_timeout, CTLFLAG_RWTUN,
&tur_timeout, 0, "TESTUNITREADY timeout on probing");
static int inquiry_timeout = 1000;
SYSCTL_INT(_kern_cam, OID_AUTO, inquiry_timeout, CTLFLAG_RWTUN,
&inquiry_timeout, 0, "INQUIRY timeout on probing");
static int reportluns_timeout = 60000;
SYSCTL_INT(_kern_cam, OID_AUTO, reportluns_timeout, CTLFLAG_RWTUN,
&reportluns_timeout, 0, "REPORTLUNS timeout on probing");
static int modesense_timeout = 1000;
SYSCTL_INT(_kern_cam, OID_AUTO, modesense_timeout, CTLFLAG_RWTUN,
&modesense_timeout, 0, "MODESENSE timeout on probing");
#define CAM_SCSI2_MAXLUN 8
#define CAM_CAN_GET_SIMPLE_LUN(x, i) \
((((x)->luns[i].lundata[0] & RPL_LUNDATA_ATYP_MASK) == \
RPL_LUNDATA_ATYP_PERIPH) || \
(((x)->luns[i].lundata[0] & RPL_LUNDATA_ATYP_MASK) == \
RPL_LUNDATA_ATYP_FLAT))
#define CAM_GET_SIMPLE_LUN(lp, i, lval) \
if (((lp)->luns[(i)].lundata[0] & RPL_LUNDATA_ATYP_MASK) == \
RPL_LUNDATA_ATYP_PERIPH) { \
(lval) = (lp)->luns[(i)].lundata[1]; \
} else { \
(lval) = (lp)->luns[(i)].lundata[0]; \
(lval) &= RPL_LUNDATA_FLAT_LUN_MASK; \
(lval) <<= 8; \
(lval) |= (lp)->luns[(i)].lundata[1]; \
}
#define CAM_GET_LUN(lp, i, lval) \
(lval) = scsi_8btou64((lp)->luns[(i)].lundata); \
(lval) = CAM_EXTLUN_BYTE_SWIZZLE(lval);
#define CAN_SRCH_HI_SPARSE(dv) \
(((SCSI_QUIRK(dv)->quirks & CAM_QUIRK_NOHILUNS) == 0) \
&& ((SCSI_QUIRK(dv)->quirks & CAM_QUIRK_HILUNS) \
|| (SID_ANSI_REV(&dv->inq_data) > SCSI_REV_2 && cam_srch_hi)))
#define CAN_SRCH_HI_DENSE(dv) \
(((SCSI_QUIRK(dv)->quirks & CAM_QUIRK_NOHILUNS) == 0) \
&& ((SCSI_QUIRK(dv)->quirks & CAM_QUIRK_HILUNS) \
|| (SID_ANSI_REV(&dv->inq_data) > SCSI_REV_2)))
static periph_init_t probe_periph_init;
static struct periph_driver probe_driver =
{
probe_periph_init, "probe",
TAILQ_HEAD_INITIALIZER(probe_driver.units), 0,
CAM_PERIPH_DRV_EARLY
};
PERIPHDRIVER_DECLARE(probe, probe_driver);
typedef enum {
PROBE_TUR,
PROBE_INQUIRY,
PROBE_FULL_INQUIRY,
PROBE_REPORT_WLUNS,
PROBE_REPORT_LUNS,
PROBE_MODE_SENSE,
PROBE_SUPPORTED_VPD_LIST,
PROBE_DEVICE_ID,
PROBE_EXTENDED_INQUIRY,
PROBE_SERIAL_NUM,
PROBE_TUR_FOR_NEGOTIATION,
PROBE_INQUIRY_BASIC_DV1,
PROBE_INQUIRY_BASIC_DV2,
PROBE_DV_EXIT,
PROBE_DONE,
PROBE_INVALID
} probe_action;
static char *probe_action_text[] = {
"PROBE_TUR",
"PROBE_INQUIRY",
"PROBE_FULL_INQUIRY",
"PROBE_REPORT_WLUNS",
"PROBE_REPORT_LUNS",
"PROBE_MODE_SENSE",
"PROBE_SUPPORTED_VPD_LIST",
"PROBE_DEVICE_ID",
"PROBE_EXTENDED_INQUIRY",
"PROBE_SERIAL_NUM",
"PROBE_TUR_FOR_NEGOTIATION",
"PROBE_INQUIRY_BASIC_DV1",
"PROBE_INQUIRY_BASIC_DV2",
"PROBE_DV_EXIT",
"PROBE_DONE",
"PROBE_INVALID"
};
#define PROBE_SET_ACTION(softc, newaction) \
do { \
char **text; \
text = probe_action_text; \
CAM_DEBUG((softc)->periph->path, CAM_DEBUG_PROBE, \
("Probe %s to %s\n", text[(softc)->action], \
text[(newaction)])); \
(softc)->action = (newaction); \
} while(0)
typedef enum {
PROBE_INQUIRY_CKSUM = 0x01,
PROBE_NO_ANNOUNCE = 0x04,
PROBE_EXTLUN = 0x08
} probe_flags;
typedef struct {
TAILQ_HEAD(, ccb_hdr) request_ccbs;
probe_action action;
probe_flags flags;
MD5_CTX context;
uint8_t digest[16];
struct cam_periph *periph;
} probe_softc;
static const char quantum[] = "QUANTUM";
static const char sony[] = "SONY";
static const char west_digital[] = "WDIGTL";
static const char samsung[] = "SAMSUNG";
static const char seagate[] = "SEAGATE";
static const char microp[] = "MICROP";
static struct scsi_quirk_entry scsi_quirk_table[] =
{
{
{ T_DIRECT, SIP_MEDIA_FIXED, quantum, "XP39100*", "*" },
0, 24, 32
},
{
{ T_DIRECT, SIP_MEDIA_FIXED, quantum, "XP34550*", "*" },
0, 24, 32
},
{
{ T_DIRECT, SIP_MEDIA_FIXED, quantum, "XP32275*", "*" },
0, 24, 32
},
{
{ T_DIRECT, SIP_MEDIA_FIXED, microp, "4421-07*", "*" },
0, 0, 0
},
{
{ T_DIRECT, SIP_MEDIA_FIXED, "HP", "C372*", "*" },
0, 0, 0
},
{
{ T_DIRECT, SIP_MEDIA_FIXED, microp, "3391*", "x43h" },
0, 0, 0
},
{
{ T_DIRECT, SIP_MEDIA_FIXED, quantum, "QM39100*", "*" },
0, 24, 32
},
{
{ T_DIRECT, SIP_MEDIA_FIXED, quantum, "QM318000*", "*" },
0, 24, 32
},
{
{ T_DIRECT, SIP_MEDIA_FIXED, seagate, "ST410800*", "71*" },
0, 0, 0
},
{
{ T_DIRECT, SIP_MEDIA_FIXED, seagate, "ST34520*", "*"},
0, 2, 2
},
{
{ T_DIRECT, SIP_MEDIA_FIXED, seagate, "ST36530*", "*"},
0, 2, 2
},
{
{ T_DIRECT, SIP_MEDIA_FIXED, seagate, "ST39140*", "*"},
0, 2, 2
},
{
{ T_DIRECT, SIP_MEDIA_FIXED, seagate, "ST3146855LW", "*"},
0, 2, 55
},
{
{ T_DIRECT, SIP_MEDIA_FIXED, "IBM", "DCAS*", "*" },
0, 0, 0
},
{
{ T_DIRECT, SIP_MEDIA_REMOVABLE, "iomega", "jaz*", "*" },
0, 0, 0
},
{
{ T_DIRECT, SIP_MEDIA_FIXED, "CONNER", "CFP2107*", "*" },
0, 0, 0
},
{
{ T_DIRECT, SIP_MEDIA_FIXED, "VMware*", "*", "*" },
CAM_QUIRK_NOLUNS, 2, 255
},
{
{ T_DIRECT, SIP_MEDIA_FIXED, samsung, "WN34324U*", "*" },
0, 0, 0
},
{
{ T_DIRECT, SIP_MEDIA_FIXED, west_digital, "WDE*", "*" },
0, 0, 0
},
{
{ T_DIRECT, SIP_MEDIA_FIXED, west_digital, "ENTERPRISE", "*" },
0, 0, 0
},
{
{ T_DIRECT, SIP_MEDIA_FIXED, samsung, "WN321010S*", "*" },
0, 2, 32
},
{
{ T_ENCLOSURE, SIP_MEDIA_FIXED, "SUN", "SENA", "*" },
CAM_QUIRK_NOLUNS, 0, 0
},
{
{ T_ANY, SIP_MEDIA_FIXED|SIP_MEDIA_REMOVABLE, "DPT", "*", "*" },
CAM_QUIRK_NOLUNS,
0, 255
},
{
{ T_CDROM, SIP_MEDIA_REMOVABLE, sony, "CD-ROM CDU*", "*" },
CAM_QUIRK_NOLUNS, 0, 0
},
{
{ T_WORM, SIP_MEDIA_REMOVABLE, sony, "CD-R CDU9*", "*" },
CAM_QUIRK_NOLUNS, 0, 0
},
{
{ T_WORM, SIP_MEDIA_REMOVABLE, "YAMAHA", "CDR100*", "*" },
CAM_QUIRK_NOLUNS, 0, 0
},
{
{
T_SEQUENTIAL, SIP_MEDIA_REMOVABLE, "EXABYTE",
"EXB-8200*", "*"
},
CAM_QUIRK_NOLUNS, 0, 0
},
{
{
T_SEQUENTIAL, SIP_MEDIA_REMOVABLE, "EXABYTE",
"IPL-6860*", "*"
},
CAM_QUIRK_NOLUNS, 0, 0
},
{
{ T_DIRECT, SIP_MEDIA_FIXED, "HITACHI", "DK31*", "*" },
CAM_QUIRK_NOLUNS, 2, 255
},
{
{ T_DIRECT, SIP_MEDIA_FIXED, "HITACHI", "DK32CJ*", "J8A8" },
CAM_QUIRK_NOLUNS, 0, 0
},
{
{ T_DIRECT, SIP_MEDIA_FIXED, "HITACHI", "OPEN*", "*" },
CAM_QUIRK_HILUNS, 2, 1024
},
{
{
T_SEQUENTIAL, SIP_MEDIA_REMOVABLE, "TANDBERG",
" TDC 3600", "U07:"
},
CAM_QUIRK_NOVPDS, 0, 0
},
{
{
T_SEQUENTIAL, SIP_MEDIA_REMOVABLE, "CALIPER",
"CP150", "*"
},
CAM_QUIRK_NOLUNS, 0, 0
},
{
{
T_SEQUENTIAL, SIP_MEDIA_REMOVABLE, "KENNEDY",
"96X2*", "*"
},
CAM_QUIRK_NOLUNS, 0, 0
},
{
{ T_PROCESSOR, SIP_MEDIA_FIXED, "Cabletrn", "EA41*", "*" },
CAM_QUIRK_NOLUNS, 0, 0
},
{
{ T_PROCESSOR, SIP_MEDIA_FIXED, "CABLETRN", "EA41*", "*" },
CAM_QUIRK_NOLUNS, 0, 0
},
{
{ T_DIRECT, SIP_MEDIA_FIXED, "TERASOLU", "TRC-22", "*" },
0, 55, 255
},
{
{ T_DIRECT, SIP_MEDIA_FIXED, "VERITAS", "*", "*" },
CAM_QUIRK_HILUNS, 2, 1024
},
{
{ T_ANY, SIP_MEDIA_REMOVABLE|SIP_MEDIA_FIXED, "MaxOptix",
"Tahiti 1", "*"
},
CAM_QUIRK_NOLUNS, 0, 0
},
{
{ T_DIRECT, SIP_MEDIA_FIXED, "easyRAID", "*", "*" },
CAM_QUIRK_NOHILUNS, 2, 255
},
{
{ T_ENCLOSURE, SIP_MEDIA_FIXED, "DP", "BACKPLANE", "*" },
CAM_QUIRK_NOLUNS, 0, 0
},
{
{ T_DIRECT, SIP_MEDIA_REMOVABLE, "Garmin", "*", "*" },
CAM_QUIRK_NORPTLUNS, 2, 255
},
{
{ T_DIRECT, SIP_MEDIA_REMOVABLE, "Generic", "STORAGE DEVICE*", "120?" },
CAM_QUIRK_NORPTLUNS, 2, 255
},
{
{ T_DIRECT, SIP_MEDIA_REMOVABLE, "Generic", "MassStorageClass", "1533" },
CAM_QUIRK_NORPTLUNS, 2, 255
},
{
{
T_ANY, SIP_MEDIA_REMOVABLE|SIP_MEDIA_FIXED,
"*", "*", "*"
},
0, 2, 255
},
};
static cam_status proberegister(struct cam_periph *periph,
void *arg);
static void probeschedule(struct cam_periph *probe_periph);
static void probestart(struct cam_periph *periph, union ccb *start_ccb);
static void proberequestdefaultnegotiation(struct cam_periph *periph);
static int proberequestbackoff(struct cam_periph *periph,
struct cam_ed *device);
static void probedone(struct cam_periph *periph, union ccb *done_ccb);
static void probe_purge_old(struct cam_path *path,
struct scsi_report_luns_data *new,
probe_flags flags, bool is_wlun);
static void probecleanup(struct cam_periph *periph);
static void scsi_find_quirk(struct cam_ed *device);
static void scsi_scan_bus(struct cam_periph *periph, union ccb *ccb);
static void scsi_scan_lun(struct cam_periph *periph,
struct cam_path *path, cam_flags flags,
union ccb *ccb);
static void xptscandone(struct cam_periph *periph, union ccb *done_ccb);
static struct cam_ed *
scsi_alloc_device(struct cam_eb *bus, struct cam_et *target,
lun_id_t lun_id);
static void scsi_devise_transport(struct cam_path *path);
static void scsi_set_transfer_settings(struct ccb_trans_settings *cts,
struct cam_path *path,
int async_update);
static void scsi_toggle_tags(struct cam_path *path);
static void scsi_dev_async(uint32_t async_code,
struct cam_eb *bus,
struct cam_et *target,
struct cam_ed *device,
void *async_arg);
static void scsi_action(union ccb *start_ccb);
static void scsi_announce_periph_sbuf(struct cam_periph *periph, struct sbuf *sb);
static void scsi_proto_announce_sbuf(struct cam_ed *device,
struct sbuf *sb);
static void scsi_proto_denounce_sbuf(struct cam_ed *device,
struct sbuf *sb);
static void scsi_proto_debug_out(union ccb *ccb);
static void _scsi_announce_periph(struct cam_periph *, u_int *, u_int *, struct ccb_trans_settings *);
static struct xpt_xport_ops scsi_xport_ops = {
.alloc_device = scsi_alloc_device,
.action = scsi_action,
.async = scsi_dev_async,
.announce_sbuf = scsi_announce_periph_sbuf,
};
#define SCSI_XPT_XPORT(x, X) \
static struct xpt_xport scsi_xport_ ## x = { \
.xport = XPORT_ ## X, \
.name = #x, \
.ops = &scsi_xport_ops, \
}; \
CAM_XPT_XPORT(scsi_xport_ ## x);
SCSI_XPT_XPORT(spi, SPI);
SCSI_XPT_XPORT(sas, SAS);
SCSI_XPT_XPORT(fc, FC);
SCSI_XPT_XPORT(usb, USB);
SCSI_XPT_XPORT(iscsi, ISCSI);
SCSI_XPT_XPORT(srp, SRP);
SCSI_XPT_XPORT(ppb, PPB);
SCSI_XPT_XPORT(ufshci, UFSHCI);
#undef SCSI_XPORT_XPORT
static struct xpt_proto_ops scsi_proto_ops = {
.announce_sbuf = scsi_proto_announce_sbuf,
.denounce_sbuf = scsi_proto_denounce_sbuf,
.debug_out = scsi_proto_debug_out,
};
static struct xpt_proto scsi_proto = {
.proto = PROTO_SCSI,
.name = "scsi",
.ops = &scsi_proto_ops,
};
CAM_XPT_PROTO(scsi_proto);
static void
probe_periph_init(void)
{
}
static cam_status
proberegister(struct cam_periph *periph, void *arg)
{
union ccb *request_ccb;
probe_softc *softc;
request_ccb = (union ccb *)arg;
if (request_ccb == NULL) {
printf("proberegister: no probe CCB, can't register device\n");
return(CAM_REQ_CMP_ERR);
}
softc = (probe_softc *)malloc(sizeof(*softc), M_CAMXPT, M_NOWAIT);
if (softc == NULL) {
printf("proberegister: Unable to probe new device. Unable to allocate softc\n");
return(CAM_REQ_CMP_ERR);
}
TAILQ_INIT(&softc->request_ccbs);
TAILQ_INSERT_TAIL(&softc->request_ccbs, &request_ccb->ccb_h,
periph_links.tqe);
softc->flags = 0;
periph->softc = softc;
softc->periph = periph;
softc->action = PROBE_INVALID;
if (cam_periph_acquire(periph) != 0)
return (CAM_REQ_CMP_ERR);
CAM_DEBUG(periph->path, CAM_DEBUG_PROBE, ("Probe started\n"));
scsi_devise_transport(periph->path);
cam_periph_freeze_after_event(periph, &periph->path->bus->last_reset,
scsi_delay);
probeschedule(periph);
return(CAM_REQ_CMP);
}
static void
probeschedule(struct cam_periph *periph)
{
struct ccb_pathinq cpi;
union ccb *ccb;
probe_softc *softc;
softc = (probe_softc *)periph->softc;
ccb = (union ccb *)TAILQ_FIRST(&softc->request_ccbs);
xpt_path_inq(&cpi, periph->path);
if (((ccb->ccb_h.path->device->flags & CAM_DEV_UNCONFIGURED) == 0)
&& (ccb->ccb_h.target_lun == 0)) {
PROBE_SET_ACTION(softc, PROBE_TUR);
} else if ((cpi.hba_inquiry & (PI_WIDE_32|PI_WIDE_16|PI_SDTR_ABLE)) != 0
&& (cpi.hba_misc & PIM_NOBUSRESET) != 0) {
proberequestdefaultnegotiation(periph);
PROBE_SET_ACTION(softc, PROBE_INQUIRY);
} else {
PROBE_SET_ACTION(softc, PROBE_INQUIRY);
}
if (ccb->crcn.flags & CAM_EXPECT_INQ_CHANGE)
softc->flags |= PROBE_NO_ANNOUNCE;
else
softc->flags &= ~PROBE_NO_ANNOUNCE;
if (cpi.hba_misc & PIM_EXTLUNS)
softc->flags |= PROBE_EXTLUN;
else
softc->flags &= ~PROBE_EXTLUN;
xpt_schedule(periph, CAM_PRIORITY_XPT);
}
static void
probestart(struct cam_periph *periph, union ccb *start_ccb)
{
struct ccb_scsiio *csio;
probe_softc *softc;
CAM_DEBUG(start_ccb->ccb_h.path, CAM_DEBUG_TRACE, ("probestart\n"));
softc = (probe_softc *)periph->softc;
csio = &start_ccb->csio;
again:
switch (softc->action) {
case PROBE_TUR:
case PROBE_TUR_FOR_NEGOTIATION:
case PROBE_DV_EXIT:
{
scsi_test_unit_ready(csio,
4,
probedone,
MSG_SIMPLE_Q_TAG,
SSD_FULL_SIZE,
tur_timeout);
break;
}
case PROBE_INQUIRY:
case PROBE_FULL_INQUIRY:
{
u_int inquiry_len;
struct scsi_inquiry_data *inq_buf;
inq_buf = &periph->path->device->inq_data;
if (periph->path->device->flags & CAM_DEV_UNCONFIGURED) {
softc->flags &= ~PROBE_INQUIRY_CKSUM;
} else if ((softc->flags & PROBE_INQUIRY_CKSUM) == 0) {
MD5Init(&softc->context);
MD5Update(&softc->context, (unsigned char *)inq_buf,
sizeof(struct scsi_inquiry_data));
if (periph->path->device->serial_num_len > 0) {
MD5Update(&softc->context,
periph->path->device->serial_num,
periph->path->device->serial_num_len);
}
MD5Final(softc->digest, &softc->context);
softc->flags |= PROBE_INQUIRY_CKSUM;
}
if (softc->action == PROBE_INQUIRY)
inquiry_len = SHORT_INQUIRY_LENGTH;
else
inquiry_len = SID_ADDITIONAL_LENGTH(inq_buf);
inquiry_len = roundup2(inquiry_len, 2);
scsi_inquiry(csio,
4,
probedone,
MSG_SIMPLE_Q_TAG,
(uint8_t *)inq_buf,
inquiry_len,
FALSE,
0,
SSD_MIN_SIZE,
inquiry_timeout);
break;
}
case PROBE_REPORT_WLUNS:
{
void *rp;
rp = malloc(periph->path->target->rpl_size,
M_CAMXPT, M_NOWAIT | M_ZERO);
if (rp == NULL) {
xpt_print(periph->path,
"Unable to alloc report wluns storage\n");
PROBE_SET_ACTION(softc, PROBE_REPORT_LUNS);
goto again;
}
scsi_report_luns(csio, 5, probedone, MSG_SIMPLE_Q_TAG,
RPL_REPORT_WELLKNOWN, rp, periph->path->target->rpl_size,
SSD_FULL_SIZE, reportluns_timeout);
break;
}
case PROBE_REPORT_LUNS:
{
void *rp;
rp = malloc(periph->path->target->rpl_size,
M_CAMXPT, M_NOWAIT | M_ZERO);
if (rp == NULL) {
struct scsi_inquiry_data *inq_buf;
inq_buf = &periph->path->device->inq_data;
xpt_print(periph->path,
"Unable to alloc report luns storage\n");
if (INQ_DATA_TQ_ENABLED(inq_buf))
PROBE_SET_ACTION(softc, PROBE_MODE_SENSE);
else
PROBE_SET_ACTION(softc,
PROBE_SUPPORTED_VPD_LIST);
goto again;
}
scsi_report_luns(csio, 5, probedone, MSG_SIMPLE_Q_TAG,
RPL_REPORT_DEFAULT, rp, periph->path->target->rpl_size,
SSD_FULL_SIZE, reportluns_timeout);
break;
}
case PROBE_MODE_SENSE:
{
void *mode_buf;
int mode_buf_len;
mode_buf_len = sizeof(struct scsi_mode_header_6)
+ sizeof(struct scsi_mode_blk_desc)
+ sizeof(struct scsi_control_page);
mode_buf = malloc(mode_buf_len, M_CAMXPT, M_NOWAIT);
if (mode_buf != NULL) {
scsi_mode_sense(csio,
4,
probedone,
MSG_SIMPLE_Q_TAG,
FALSE,
SMS_PAGE_CTRL_CURRENT,
SMS_CONTROL_MODE_PAGE,
mode_buf,
mode_buf_len,
SSD_FULL_SIZE,
modesense_timeout);
break;
}
xpt_print(periph->path,
"Unable to mode sense control page - malloc failure\n");
PROBE_SET_ACTION(softc, PROBE_SUPPORTED_VPD_LIST);
}
case PROBE_SUPPORTED_VPD_LIST:
{
struct scsi_vpd_supported_page_list *vpd_list;
struct cam_ed *device;
vpd_list = NULL;
device = periph->path->device;
if ((SCSI_QUIRK(device)->quirks & CAM_QUIRK_NOVPDS) == 0)
vpd_list = malloc(sizeof(*vpd_list), M_CAMXPT,
M_NOWAIT | M_ZERO);
if (vpd_list != NULL) {
scsi_inquiry(csio,
4,
probedone,
MSG_SIMPLE_Q_TAG,
(uint8_t *)vpd_list,
sizeof(*vpd_list),
TRUE,
SVPD_SUPPORTED_PAGE_LIST,
SSD_MIN_SIZE,
60 * 1000);
break;
}
done:
start_ccb->csio.data_ptr = NULL;
cam_freeze_devq(periph->path);
cam_periph_doacquire(periph);
probedone(periph, start_ccb);
return;
}
case PROBE_DEVICE_ID:
{
struct scsi_vpd_device_id *devid;
devid = NULL;
if (scsi_vpd_supported_page(periph, SVPD_DEVICE_ID))
devid = malloc(SVPD_DEVICE_ID_MAX_SIZE, M_CAMXPT,
M_NOWAIT | M_ZERO);
if (devid != NULL) {
scsi_inquiry(csio,
4,
probedone,
MSG_SIMPLE_Q_TAG,
(uint8_t *)devid,
SVPD_DEVICE_ID_MAX_SIZE,
TRUE,
SVPD_DEVICE_ID,
SSD_MIN_SIZE,
60 * 1000);
break;
}
goto done;
}
case PROBE_EXTENDED_INQUIRY:
{
struct scsi_vpd_extended_inquiry_data *ext_inq;
ext_inq = NULL;
if (scsi_vpd_supported_page(periph, SVPD_EXTENDED_INQUIRY_DATA))
ext_inq = malloc(sizeof(*ext_inq), M_CAMXPT,
M_NOWAIT | M_ZERO);
if (ext_inq != NULL) {
scsi_inquiry(csio,
4,
probedone,
MSG_SIMPLE_Q_TAG,
(uint8_t *)ext_inq,
sizeof(*ext_inq),
TRUE,
SVPD_EXTENDED_INQUIRY_DATA,
SSD_MIN_SIZE,
60 * 1000);
break;
}
goto done;
}
case PROBE_SERIAL_NUM:
{
struct scsi_vpd_unit_serial_number *serial_buf;
struct cam_ed* device;
serial_buf = NULL;
device = periph->path->device;
if (device->serial_num != NULL) {
free(device->serial_num, M_CAMXPT);
device->serial_num = NULL;
device->serial_num_len = 0;
}
if (scsi_vpd_supported_page(periph, SVPD_UNIT_SERIAL_NUMBER))
serial_buf = (struct scsi_vpd_unit_serial_number *)
malloc(sizeof(*serial_buf), M_CAMXPT,
M_NOWAIT|M_ZERO);
if (serial_buf != NULL) {
scsi_inquiry(csio,
4,
probedone,
MSG_SIMPLE_Q_TAG,
(uint8_t *)serial_buf,
sizeof(*serial_buf),
TRUE,
SVPD_UNIT_SERIAL_NUMBER,
SSD_MIN_SIZE,
60 * 1000);
break;
}
goto done;
}
case PROBE_INQUIRY_BASIC_DV1:
case PROBE_INQUIRY_BASIC_DV2:
{
u_int inquiry_len;
struct scsi_inquiry_data *inq_buf;
inq_buf = &periph->path->device->inq_data;
inquiry_len = roundup2(SID_ADDITIONAL_LENGTH(inq_buf), 2);
inq_buf = malloc(inquiry_len, M_CAMXPT, M_NOWAIT);
if (inq_buf == NULL) {
xpt_print(periph->path,
"malloc failure- skipping Basic Domain Validation\n");
PROBE_SET_ACTION(softc, PROBE_DV_EXIT);
scsi_test_unit_ready(csio,
4,
probedone,
MSG_SIMPLE_Q_TAG,
SSD_FULL_SIZE,
tur_timeout);
break;
}
scsi_inquiry(csio,
4,
probedone,
MSG_SIMPLE_Q_TAG,
(uint8_t *)inq_buf,
inquiry_len,
FALSE,
0,
SSD_MIN_SIZE,
inquiry_timeout);
break;
}
default:
panic("probestart: invalid action state 0x%x\n", softc->action);
}
start_ccb->ccb_h.flags |= CAM_DEV_QFREEZE;
cam_periph_doacquire(periph);
xpt_action(start_ccb);
}
static void
proberequestdefaultnegotiation(struct cam_periph *periph)
{
struct ccb_trans_settings cts;
memset(&cts, 0, sizeof(cts));
xpt_setup_ccb(&cts.ccb_h, periph->path, CAM_PRIORITY_NONE);
cts.ccb_h.func_code = XPT_GET_TRAN_SETTINGS;
cts.type = CTS_TYPE_USER_SETTINGS;
xpt_action((union ccb *)&cts);
if (cam_ccb_status((union ccb *)&cts) != CAM_REQ_CMP) {
return;
}
cts.ccb_h.func_code = XPT_SET_TRAN_SETTINGS;
cts.type = CTS_TYPE_CURRENT_SETTINGS;
xpt_action((union ccb *)&cts);
}
static int
proberequestbackoff(struct cam_periph *periph, struct cam_ed *device)
{
struct ccb_trans_settings cts;
struct ccb_trans_settings_spi *spi;
memset(&cts, 0, sizeof (cts));
xpt_setup_ccb(&cts.ccb_h, periph->path, CAM_PRIORITY_NONE);
cts.ccb_h.func_code = XPT_GET_TRAN_SETTINGS;
cts.type = CTS_TYPE_CURRENT_SETTINGS;
xpt_action((union ccb *)&cts);
if (cam_ccb_status((union ccb *)&cts) != CAM_REQ_CMP) {
if (bootverbose) {
xpt_print(periph->path,
"failed to get current device settings\n");
}
return (0);
}
if (cts.transport != XPORT_SPI) {
if (bootverbose) {
xpt_print(periph->path, "not SPI transport\n");
}
return (0);
}
spi = &cts.xport_specific.spi;
if ((spi->valid & CTS_SPI_VALID_SYNC_RATE) == 0) {
if (bootverbose) {
xpt_print(periph->path, "no sync rate known\n");
}
return (0);
}
if ((spi->valid & CTS_SPI_VALID_SYNC_OFFSET) == 0
|| spi->sync_offset == 0 || spi->sync_period == 0) {
if (bootverbose) {
xpt_print(periph->path, "no sync rate available\n");
}
return (0);
}
if (device->flags & CAM_DEV_DV_HIT_BOTTOM) {
CAM_DEBUG(periph->path, CAM_DEBUG_PROBE,
("hit async: giving up on DV\n"));
return (0);
}
spi->valid = CTS_SPI_VALID_SYNC_RATE | CTS_SPI_VALID_SYNC_OFFSET;
for (;;) {
spi->sync_period++;
if (spi->sync_period >= 0xf) {
spi->sync_period = 0;
spi->sync_offset = 0;
CAM_DEBUG(periph->path, CAM_DEBUG_PROBE,
("setting to async for DV\n"));
device->flags |= CAM_DEV_DV_HIT_BOTTOM;
} else if (bootverbose) {
CAM_DEBUG(periph->path, CAM_DEBUG_PROBE,
("DV: period 0x%x\n", spi->sync_period));
printf("setting period to 0x%x\n", spi->sync_period);
}
cts.ccb_h.func_code = XPT_SET_TRAN_SETTINGS;
cts.type = CTS_TYPE_CURRENT_SETTINGS;
xpt_action((union ccb *)&cts);
if (cam_ccb_status((union ccb *)&cts) != CAM_REQ_CMP) {
break;
}
CAM_DEBUG(periph->path, CAM_DEBUG_PROBE,
("DV: failed to set period 0x%x\n", spi->sync_period));
if (spi->sync_period == 0) {
return (0);
}
}
return (1);
}
#define CCB_COMPLETED_OK(ccb) (((ccb).status & CAM_STATUS_MASK) == CAM_REQ_CMP)
static void
probedone(struct cam_periph *periph, union ccb *done_ccb)
{
probe_softc *softc;
struct cam_path *path;
struct scsi_inquiry_data *inq_buf;
uint32_t priority;
struct ccb_pathinq cpi;
CAM_DEBUG(done_ccb->ccb_h.path, CAM_DEBUG_TRACE, ("probedone\n"));
softc = (probe_softc *)periph->softc;
path = done_ccb->ccb_h.path;
priority = done_ccb->ccb_h.pinfo.priority;
cam_periph_assert(periph, MA_OWNED);
xpt_path_inq(&cpi, path);
switch (softc->action) {
case PROBE_TUR:
{
if (cam_ccb_status(done_ccb) != CAM_REQ_CMP) {
if (cam_periph_error(done_ccb, 0, SF_NO_PRINT) ==
ERESTART) {
outr:
cam_release_devq(path, 0, 0, 0, FALSE);
return;
}
else if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0)
xpt_release_devq(done_ccb->ccb_h.path,
1,
TRUE);
}
PROBE_SET_ACTION(softc, PROBE_INQUIRY);
xpt_release_ccb(done_ccb);
xpt_schedule(periph, priority);
out:
cam_release_devq(path, 0, 0, 0, FALSE);
cam_periph_release_locked(periph);
return;
}
case PROBE_INQUIRY:
case PROBE_FULL_INQUIRY:
{
if (cam_ccb_status(done_ccb) == CAM_REQ_CMP) {
uint8_t periph_qual;
path->device->flags |= CAM_DEV_INQUIRY_DATA_VALID;
scsi_find_quirk(path->device);
inq_buf = &path->device->inq_data;
periph_qual = SID_QUAL(inq_buf);
if (periph_qual == SID_QUAL_LU_CONNECTED ||
periph_qual == SID_QUAL_LU_OFFLINE) {
if (softc->action == PROBE_INQUIRY
&& SID_ADDITIONAL_LENGTH(inq_buf)
> SHORT_INQUIRY_LENGTH) {
PROBE_SET_ACTION(softc, PROBE_FULL_INQUIRY);
xpt_release_ccb(done_ccb);
xpt_schedule(periph, priority);
goto out;
}
scsi_devise_transport(path);
if (path->device->lun_id == 0 &&
SID_ANSI_REV(inq_buf) > SCSI_REV_SPC2 &&
(SCSI_QUIRK(path->device)->quirks &
CAM_QUIRK_NORPTLUNS) == 0) {
if (cpi.hba_misc & PIM_WLUNS)
PROBE_SET_ACTION(softc, PROBE_REPORT_WLUNS);
else
PROBE_SET_ACTION(softc, PROBE_REPORT_LUNS);
periph->path->target->rpl_size = 16;
} else if (INQ_DATA_TQ_ENABLED(inq_buf))
PROBE_SET_ACTION(softc,
PROBE_MODE_SENSE);
else
PROBE_SET_ACTION(softc,
PROBE_SUPPORTED_VPD_LIST);
if (path->device->flags & CAM_DEV_UNCONFIGURED) {
path->device->flags &= ~CAM_DEV_UNCONFIGURED;
xpt_acquire_device(path->device);
}
xpt_release_ccb(done_ccb);
xpt_schedule(periph, priority);
goto out;
} else if (path->device->lun_id == 0 &&
SID_ANSI_REV(inq_buf) >= SCSI_REV_SPC2 &&
(SCSI_QUIRK(path->device)->quirks &
CAM_QUIRK_NORPTLUNS) == 0) {
if (cpi.hba_misc & PIM_WLUNS)
PROBE_SET_ACTION(softc, PROBE_REPORT_WLUNS);
else
PROBE_SET_ACTION(softc, PROBE_REPORT_LUNS);
periph->path->target->rpl_size = 16;
xpt_release_ccb(done_ccb);
xpt_schedule(periph, priority);
goto out;
}
} else if (cam_periph_error(done_ccb, 0,
done_ccb->ccb_h.target_lun > 0
? SF_RETRY_UA|SF_QUIET_IR
: SF_RETRY_UA) == ERESTART) {
goto outr;
} else {
if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) {
xpt_release_devq(done_ccb->ccb_h.path,
1, TRUE);
}
path->device->flags &= ~CAM_DEV_INQUIRY_DATA_VALID;
}
if ((path->device->flags & CAM_DEV_UNCONFIGURED) == 0)
xpt_async(AC_LOST_DEVICE, path, NULL);
PROBE_SET_ACTION(softc, PROBE_INVALID);
xpt_release_ccb(done_ccb);
break;
}
case PROBE_REPORT_WLUNS:
case PROBE_REPORT_LUNS:
{
struct ccb_scsiio *csio;
struct scsi_report_luns_data *lp;
u_int nlun, maxlun;
bool is_wlun = softc->action == PROBE_REPORT_WLUNS;
csio = &done_ccb->csio;
lp = (struct scsi_report_luns_data *)csio->data_ptr;
nlun = scsi_4btoul(lp->length) / 8;
maxlun = (csio->dxfer_len / 8) - 1;
if (cam_ccb_status(done_ccb) != CAM_REQ_CMP) {
if (cam_periph_error(done_ccb, 0,
done_ccb->ccb_h.target_lun > 0 ?
SF_RETRY_UA|SF_QUIET_IR : SF_RETRY_UA) ==
ERESTART) {
goto outr;
}
if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) {
xpt_release_devq(done_ccb->ccb_h.path, 1,
TRUE);
}
free(lp, M_CAMXPT);
lp = NULL;
} else if (nlun > maxlun) {
CAM_DEBUG(path, CAM_DEBUG_PROBE,
("Probe: reallocating REPORT_LUNS for %u luns\n",
nlun));
free(lp, M_CAMXPT);
path->target->rpl_size = (nlun << 3) + 8;
xpt_release_ccb(done_ccb);
xpt_schedule(periph, priority);
goto out;
} else if (nlun == 0) {
free(lp, M_CAMXPT);
lp = NULL;
} else {
lun_id_t lun;
int idx;
CAM_DEBUG(path, CAM_DEBUG_PROBE,
("Probe: %u lun(s) reported\n", nlun));
CAM_GET_LUN(lp, 0, lun);
if (lun != 0) {
for (idx = 0; idx < nlun; idx++) {
CAM_GET_LUN(lp, idx, lun);
if (lun == 0) {
break;
}
}
if (idx != nlun) {
uint8_t tlun[8];
memcpy(tlun,
lp->luns[0].lundata, 8);
memcpy(lp->luns[0].lundata,
lp->luns[idx].lundata, 8);
memcpy(lp->luns[idx].lundata,
tlun, 8);
CAM_DEBUG(path, CAM_DEBUG_PROBE,
("lun 0 in position %u\n", idx));
}
}
probe_purge_old(path, lp, softc->flags, is_wlun);
lp = NULL;
}
KASSERT(lp == NULL, ("%s: lp is not NULL", __func__));
inq_buf = &path->device->inq_data;
if (path->device->flags & CAM_DEV_INQUIRY_DATA_VALID &&
(SID_QUAL(inq_buf) == SID_QUAL_LU_CONNECTED ||
SID_QUAL(inq_buf) == SID_QUAL_LU_OFFLINE)) {
if (is_wlun)
PROBE_SET_ACTION(softc, PROBE_REPORT_LUNS);
else if (INQ_DATA_TQ_ENABLED(inq_buf))
PROBE_SET_ACTION(softc, PROBE_MODE_SENSE);
else
PROBE_SET_ACTION(softc,
PROBE_SUPPORTED_VPD_LIST);
xpt_release_ccb(done_ccb);
xpt_schedule(periph, priority);
goto out;
}
PROBE_SET_ACTION(softc, PROBE_INVALID);
xpt_release_ccb(done_ccb);
break;
}
case PROBE_MODE_SENSE:
{
struct ccb_scsiio *csio;
struct scsi_mode_header_6 *mode_hdr;
csio = &done_ccb->csio;
mode_hdr = (struct scsi_mode_header_6 *)csio->data_ptr;
if (cam_ccb_status(done_ccb) == CAM_REQ_CMP) {
struct scsi_control_page *page;
uint8_t *offset;
offset = ((uint8_t *)&mode_hdr[1])
+ mode_hdr->blk_desc_len;
page = (struct scsi_control_page *)offset;
path->device->queue_flags = page->queue_flags;
} else if (cam_periph_error(done_ccb, 0,
SF_RETRY_UA|SF_NO_PRINT) == ERESTART) {
goto outr;
} else if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) {
xpt_release_devq(done_ccb->ccb_h.path,
1, TRUE);
}
xpt_release_ccb(done_ccb);
free(mode_hdr, M_CAMXPT);
PROBE_SET_ACTION(softc, PROBE_SUPPORTED_VPD_LIST);
xpt_schedule(periph, priority);
goto out;
}
case PROBE_SUPPORTED_VPD_LIST:
{
struct ccb_scsiio *csio;
struct scsi_vpd_supported_page_list *page_list;
csio = &done_ccb->csio;
page_list =
(struct scsi_vpd_supported_page_list *)csio->data_ptr;
if (path->device->supported_vpds != NULL) {
free(path->device->supported_vpds, M_CAMXPT);
path->device->supported_vpds = NULL;
path->device->supported_vpds_len = 0;
}
if (page_list == NULL) {
} else if (CCB_COMPLETED_OK(csio->ccb_h)) {
path->device->supported_vpds_len = page_list->length +
SVPD_SUPPORTED_PAGES_HDR_LEN;
path->device->supported_vpds = (uint8_t *)page_list;
xpt_release_ccb(done_ccb);
PROBE_SET_ACTION(softc, PROBE_DEVICE_ID);
xpt_schedule(periph, priority);
goto out;
} else if (cam_periph_error(done_ccb, 0,
SF_RETRY_UA|SF_NO_PRINT) == ERESTART) {
goto outr;
} else if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) {
xpt_release_devq(done_ccb->ccb_h.path, 1,
TRUE);
}
if (page_list)
free(page_list, M_CAMXPT);
csio->data_ptr = NULL;
goto probe_device_check;
}
case PROBE_DEVICE_ID:
{
struct scsi_vpd_device_id *devid;
struct ccb_scsiio *csio;
uint32_t length = 0;
csio = &done_ccb->csio;
devid = (struct scsi_vpd_device_id *)csio->data_ptr;
if (path->device->device_id != NULL) {
path->device->device_id_len = 0;
free(path->device->device_id, M_CAMXPT);
path->device->device_id = NULL;
}
if (devid == NULL) {
} else if (CCB_COMPLETED_OK(csio->ccb_h)) {
length = scsi_2btoul(devid->length);
if (length != 0) {
path->device->device_id_len = length +
SVPD_DEVICE_ID_HDR_LEN;
path->device->device_id = (uint8_t *)devid;
}
} else if (cam_periph_error(done_ccb, 0,
SF_RETRY_UA) == ERESTART) {
goto outr;
} else if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) {
xpt_release_devq(done_ccb->ccb_h.path, 1,
TRUE);
}
if (devid && length == 0)
free(devid, M_CAMXPT);
xpt_release_ccb(done_ccb);
PROBE_SET_ACTION(softc, PROBE_EXTENDED_INQUIRY);
xpt_schedule(periph, priority);
goto out;
}
case PROBE_EXTENDED_INQUIRY: {
struct scsi_vpd_extended_inquiry_data *ext_inq;
struct ccb_scsiio *csio;
int32_t length = 0;
csio = &done_ccb->csio;
ext_inq = (struct scsi_vpd_extended_inquiry_data *)
csio->data_ptr;
if (path->device->ext_inq != NULL) {
path->device->ext_inq_len = 0;
free(path->device->ext_inq, M_CAMXPT);
path->device->ext_inq = NULL;
}
if (ext_inq == NULL) {
} else if (CCB_COMPLETED_OK(csio->ccb_h)) {
length = scsi_2btoul(ext_inq->page_length) +
__offsetof(struct scsi_vpd_extended_inquiry_data,
flags1);
length = min(length, sizeof(*ext_inq));
length -= csio->resid;
if (length > 0) {
path->device->ext_inq_len = length;
path->device->ext_inq = (uint8_t *)ext_inq;
}
} else if (cam_periph_error(done_ccb, 0, SF_RETRY_UA) ==
ERESTART) {
goto outr;
} else if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) {
xpt_release_devq(done_ccb->ccb_h.path, 1,
TRUE);
}
if (ext_inq && length <= 0)
free(ext_inq, M_CAMXPT);
xpt_release_ccb(done_ccb);
PROBE_SET_ACTION(softc, PROBE_SERIAL_NUM);
xpt_schedule(periph, priority);
goto out;
}
probe_device_check:
case PROBE_SERIAL_NUM:
{
struct ccb_scsiio *csio;
struct scsi_vpd_unit_serial_number *serial_buf;
uint32_t priority;
int changed;
int have_serialnum;
changed = 1;
have_serialnum = 0;
csio = &done_ccb->csio;
priority = done_ccb->ccb_h.pinfo.priority;
serial_buf =
(struct scsi_vpd_unit_serial_number *)csio->data_ptr;
if (serial_buf == NULL) {
} else if (cam_ccb_status(done_ccb) == CAM_REQ_CMP
&& (serial_buf->length > 0)) {
have_serialnum = 1;
path->device->serial_num =
(uint8_t *)malloc((serial_buf->length + 1),
M_CAMXPT, M_NOWAIT);
if (path->device->serial_num != NULL) {
int start, slen;
start = strspn(serial_buf->serial_num, " ");
slen = serial_buf->length - start;
if (slen <= 0) {
slen = 0;
}
while (slen > 0 &&
serial_buf->serial_num[start + slen - 1] == ' ')
slen--;
memcpy(path->device->serial_num,
&serial_buf->serial_num[start], slen);
path->device->serial_num_len = slen;
path->device->serial_num[slen] = '\0';
}
} else if (cam_periph_error(done_ccb, 0,
SF_RETRY_UA|SF_NO_PRINT) == ERESTART) {
goto outr;
} else if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) {
xpt_release_devq(done_ccb->ccb_h.path, 1,
TRUE);
}
if ((softc->flags & PROBE_INQUIRY_CKSUM) != 0) {
MD5_CTX context;
uint8_t digest[16];
MD5Init(&context);
MD5Update(&context,
(unsigned char *)&path->device->inq_data,
sizeof(struct scsi_inquiry_data));
if (have_serialnum)
MD5Update(&context, path->device->serial_num,
path->device->serial_num_len);
MD5Final(digest, &context);
if (bcmp(softc->digest, digest, 16) == 0)
changed = 0;
if ((changed != 0)
&& ((softc->flags & PROBE_NO_ANNOUNCE) == 0))
xpt_async(AC_LOST_DEVICE, path, NULL);
}
if (serial_buf != NULL)
free(serial_buf, M_CAMXPT);
if (changed != 0) {
proberequestdefaultnegotiation(periph);
xpt_release_ccb(done_ccb);
PROBE_SET_ACTION(softc, PROBE_TUR_FOR_NEGOTIATION);
xpt_schedule(periph, priority);
goto out;
}
xpt_release_ccb(done_ccb);
break;
}
case PROBE_TUR_FOR_NEGOTIATION:
case PROBE_DV_EXIT:
if (cam_ccb_status(done_ccb) != CAM_REQ_CMP) {
if (cam_periph_error(done_ccb, 0, SF_NO_PRINT |
SF_NO_RECOVERY | SF_NO_RETRY) == ERESTART)
goto outr;
}
if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) {
xpt_release_devq(done_ccb->ccb_h.path, 1,
TRUE);
}
if (softc->action == PROBE_TUR_FOR_NEGOTIATION
&& done_ccb->ccb_h.target_lun == 0
&& (path->device->inq_data.flags & SID_Sync) != 0
&& (path->device->flags & CAM_DEV_IN_DV) == 0) {
CAM_DEBUG(periph->path, CAM_DEBUG_PROBE,
("Begin Domain Validation\n"));
path->device->flags |= CAM_DEV_IN_DV;
xpt_release_ccb(done_ccb);
PROBE_SET_ACTION(softc, PROBE_INQUIRY_BASIC_DV1);
xpt_schedule(periph, priority);
goto out;
}
if (softc->action == PROBE_DV_EXIT) {
CAM_DEBUG(periph->path, CAM_DEBUG_PROBE,
("Leave Domain Validation\n"));
}
if (path->device->flags & CAM_DEV_UNCONFIGURED) {
path->device->flags &= ~CAM_DEV_UNCONFIGURED;
xpt_acquire_device(path->device);
}
path->device->flags &=
~(CAM_DEV_IN_DV|CAM_DEV_DV_HIT_BOTTOM);
if ((softc->flags & PROBE_NO_ANNOUNCE) == 0) {
done_ccb->ccb_h.func_code = XPT_GDEV_TYPE;
xpt_action(done_ccb);
xpt_async(AC_FOUND_DEVICE, done_ccb->ccb_h.path,
done_ccb);
}
PROBE_SET_ACTION(softc, PROBE_DONE);
xpt_release_ccb(done_ccb);
break;
case PROBE_INQUIRY_BASIC_DV1:
case PROBE_INQUIRY_BASIC_DV2:
{
struct scsi_inquiry_data *nbuf;
struct ccb_scsiio *csio;
if (cam_ccb_status(done_ccb) != CAM_REQ_CMP) {
if (cam_periph_error(done_ccb, 0, SF_NO_PRINT |
SF_NO_RECOVERY | SF_NO_RETRY) == ERESTART)
goto outr;
}
if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) {
xpt_release_devq(done_ccb->ccb_h.path, 1,
TRUE);
}
csio = &done_ccb->csio;
nbuf = (struct scsi_inquiry_data *)csio->data_ptr;
if (bcmp(nbuf, &path->device->inq_data, SHORT_INQUIRY_LENGTH)) {
xpt_print(path,
"inquiry data fails comparison at DV%d step\n",
softc->action == PROBE_INQUIRY_BASIC_DV1 ? 1 : 2);
if (proberequestbackoff(periph, path->device)) {
path->device->flags &= ~CAM_DEV_IN_DV;
PROBE_SET_ACTION(softc, PROBE_TUR_FOR_NEGOTIATION);
} else {
PROBE_SET_ACTION(softc, PROBE_DV_EXIT);
}
free(nbuf, M_CAMXPT);
xpt_release_ccb(done_ccb);
xpt_schedule(periph, priority);
goto out;
}
free(nbuf, M_CAMXPT);
if (softc->action == PROBE_INQUIRY_BASIC_DV1) {
PROBE_SET_ACTION(softc, PROBE_INQUIRY_BASIC_DV2);
xpt_release_ccb(done_ccb);
xpt_schedule(periph, priority);
goto out;
}
if (softc->action == PROBE_INQUIRY_BASIC_DV2) {
CAM_DEBUG(periph->path, CAM_DEBUG_PROBE,
("Leave Domain Validation Successfully\n"));
}
if (path->device->flags & CAM_DEV_UNCONFIGURED) {
path->device->flags &= ~CAM_DEV_UNCONFIGURED;
xpt_acquire_device(path->device);
}
path->device->flags &=
~(CAM_DEV_IN_DV|CAM_DEV_DV_HIT_BOTTOM);
if ((softc->flags & PROBE_NO_ANNOUNCE) == 0) {
done_ccb->ccb_h.func_code = XPT_GDEV_TYPE;
xpt_action(done_ccb);
xpt_async(AC_FOUND_DEVICE, done_ccb->ccb_h.path,
done_ccb);
}
PROBE_SET_ACTION(softc, PROBE_DONE);
xpt_release_ccb(done_ccb);
break;
}
default:
panic("probedone: invalid action state 0x%x\n", softc->action);
}
done_ccb = (union ccb *)TAILQ_FIRST(&softc->request_ccbs);
TAILQ_REMOVE(&softc->request_ccbs, &done_ccb->ccb_h, periph_links.tqe);
done_ccb->ccb_h.status = CAM_REQ_CMP;
xpt_done(done_ccb);
if (TAILQ_FIRST(&softc->request_ccbs) == NULL) {
CAM_DEBUG(periph->path, CAM_DEBUG_PROBE, ("Probe completed\n"));
cam_release_devq(path, 0, 0, 0, FALSE);
cam_periph_release_locked(periph);
cam_periph_invalidate(periph);
cam_periph_release_locked(periph);
} else {
probeschedule(periph);
goto out;
}
}
static void
probe_purge_old(struct cam_path *path, struct scsi_report_luns_data *new,
probe_flags flags, bool is_wlun)
{
struct cam_path *tp;
struct scsi_report_luns_data **luns_data, *old;
u_int idx1, idx2, nlun_old, nlun_new;
lun_id_t this_lun;
uint8_t *ol, *nl;
luns_data = is_wlun ? &path->target->wluns : &path->target->luns;
if (path->target == NULL) {
return;
}
mtx_lock(&path->target->luns_mtx);
old = *luns_data;
*luns_data = new;
mtx_unlock(&path->target->luns_mtx);
if (old == NULL)
return;
nlun_old = scsi_4btoul(old->length) / 8;
nlun_new = scsi_4btoul(new->length) / 8;
for (idx1 = 0; idx1 < nlun_old; idx1++) {
ol = old->luns[idx1].lundata;
for (idx2 = 0; idx2 < nlun_new; idx2++) {
nl = new->luns[idx2].lundata;
if (memcmp(nl, ol, 8) == 0) {
break;
}
}
if (idx2 < nlun_new) {
continue;
}
CAM_GET_LUN(old, idx1, this_lun);
if (this_lun == 0) {
continue;
}
if (!(flags & PROBE_EXTLUN)) {
if (!CAM_CAN_GET_SIMPLE_LUN(old, idx1))
continue;
CAM_GET_SIMPLE_LUN(old, idx1, this_lun);
}
if (xpt_create_path(&tp, NULL, xpt_path_path_id(path),
xpt_path_target_id(path), this_lun) == CAM_REQ_CMP) {
xpt_async(AC_LOST_DEVICE, tp, NULL);
xpt_free_path(tp);
}
}
free(old, M_CAMXPT);
}
static void
probecleanup(struct cam_periph *periph)
{
free(periph->softc, M_CAMXPT);
}
static void
scsi_find_quirk(struct cam_ed *device)
{
struct scsi_quirk_entry *quirk;
caddr_t match;
match = cam_quirkmatch((caddr_t)&device->inq_data,
(caddr_t)scsi_quirk_table,
nitems(scsi_quirk_table),
sizeof(*scsi_quirk_table), scsi_inquiry_match);
if (match == NULL)
panic("xpt_find_quirk: device didn't match wildcard entry!!");
quirk = (struct scsi_quirk_entry *)match;
device->quirk = quirk;
device->mintags = quirk->mintags;
device->maxtags = quirk->maxtags;
}
typedef struct {
int lun;
int wlun;
} lun_pair;
typedef struct {
union ccb *request_ccb;
struct ccb_pathinq *cpi;
int counter;
lun_pair lunindex[0];
} scsi_scan_bus_info;
static void
free_scan_info(scsi_scan_bus_info *scan_info)
{
KASSERT(scan_info->cpi != NULL,
("scan_info (%p) missing its ccb_pathinq CCB\n", scan_info));
xpt_free_ccb((union ccb *)scan_info->cpi);
free(scan_info, M_CAMXPT);
}
static void
scsi_scan_bus(struct cam_periph *periph, union ccb *request_ccb)
{
struct mtx *mtx;
CAM_DEBUG(request_ccb->ccb_h.path, CAM_DEBUG_TRACE,
("scsi_scan_bus\n"));
switch (request_ccb->ccb_h.func_code) {
case XPT_SCAN_BUS:
case XPT_SCAN_TGT:
{
scsi_scan_bus_info *scan_info;
union ccb *work_ccb, *reset_ccb;
struct cam_path *path;
u_int i;
u_int low_target, max_target;
u_int initiator_id;
work_ccb = xpt_alloc_ccb_nowait();
if (work_ccb == NULL) {
request_ccb->ccb_h.status = CAM_RESRC_UNAVAIL;
xpt_done(request_ccb);
return;
}
xpt_path_inq(&work_ccb->cpi, request_ccb->ccb_h.path);
if (work_ccb->ccb_h.status != CAM_REQ_CMP) {
request_ccb->ccb_h.status = work_ccb->ccb_h.status;
xpt_free_ccb(work_ccb);
xpt_done(request_ccb);
return;
}
if ((work_ccb->cpi.hba_misc & PIM_NOINITIATOR) != 0) {
request_ccb->ccb_h.status = CAM_REQ_CMP;
xpt_free_ccb(work_ccb);
xpt_done(request_ccb);
return;
}
if ((work_ccb->cpi.hba_inquiry &
(PI_WIDE_32|PI_WIDE_16|PI_SDTR_ABLE)) &&
!(work_ccb->cpi.hba_misc & PIM_NOBUSRESET) &&
!timevalisset(&request_ccb->ccb_h.path->bus->last_reset) &&
(reset_ccb = xpt_alloc_ccb_nowait()) != NULL) {
xpt_setup_ccb(&reset_ccb->ccb_h, request_ccb->ccb_h.path,
CAM_PRIORITY_NONE);
reset_ccb->ccb_h.func_code = XPT_RESET_BUS;
xpt_action(reset_ccb);
if (reset_ccb->ccb_h.status != CAM_REQ_CMP) {
request_ccb->ccb_h.status = reset_ccb->ccb_h.status;
xpt_free_ccb(reset_ccb);
xpt_free_ccb(work_ccb);
xpt_done(request_ccb);
return;
}
xpt_free_ccb(reset_ccb);
}
scan_info = (scsi_scan_bus_info *) malloc(sizeof(scsi_scan_bus_info) +
(work_ccb->cpi.max_target * sizeof(lun_pair)),
M_CAMXPT, M_ZERO|M_NOWAIT);
if (scan_info == NULL) {
request_ccb->ccb_h.status = CAM_RESRC_UNAVAIL;
xpt_free_ccb(work_ccb);
xpt_done(request_ccb);
return;
}
CAM_DEBUG(request_ccb->ccb_h.path, CAM_DEBUG_TRACE,
("SCAN start for %p\n", scan_info));
scan_info->request_ccb = request_ccb;
scan_info->cpi = &work_ccb->cpi;
max_target = scan_info->cpi->max_target;
low_target = 0;
initiator_id = scan_info->cpi->initiator_id;
if (request_ccb->ccb_h.func_code == XPT_SCAN_TGT) {
max_target = low_target = request_ccb->ccb_h.target_id;
scan_info->counter = 0;
} else if (scan_info->cpi->hba_misc & PIM_SEQSCAN) {
max_target = 0;
scan_info->counter = 0;
} else {
scan_info->counter = scan_info->cpi->max_target + 1;
if (scan_info->cpi->initiator_id < scan_info->counter) {
scan_info->counter--;
}
}
mtx = xpt_path_mtx(scan_info->request_ccb->ccb_h.path);
mtx_unlock(mtx);
for (i = low_target; i <= max_target; i++) {
cam_status status;
if (i == initiator_id)
continue;
status = xpt_create_path(&path, NULL,
request_ccb->ccb_h.path_id,
i, 0);
if (status != CAM_REQ_CMP) {
printf(
"scsi_scan_bus: xpt_create_path failed with status %#x, bus scan halted\n",
status);
free_scan_info(scan_info);
request_ccb->ccb_h.status = status;
xpt_done(request_ccb);
break;
}
work_ccb = xpt_alloc_ccb_nowait();
if (work_ccb == NULL) {
free_scan_info(scan_info);
xpt_free_path(path);
request_ccb->ccb_h.status = CAM_RESRC_UNAVAIL;
xpt_done(request_ccb);
break;
}
xpt_setup_ccb(&work_ccb->ccb_h, path,
request_ccb->ccb_h.pinfo.priority);
work_ccb->ccb_h.func_code = XPT_SCAN_LUN;
work_ccb->ccb_h.cbfcnp = scsi_scan_bus;
work_ccb->ccb_h.flags |= CAM_UNLOCKED;
work_ccb->ccb_h.ppriv_ptr0 = scan_info;
work_ccb->crcn.flags = request_ccb->crcn.flags;
xpt_action(work_ccb);
}
mtx_lock(mtx);
break;
}
case XPT_SCAN_LUN:
{
cam_status status;
struct cam_path *path, *oldpath;
scsi_scan_bus_info *scan_info;
struct cam_et *target;
struct cam_ed *device, *nextdev;
int next_target;
path_id_t path_id;
target_id_t target_id;
lun_id_t lun_id;
u_int nwluns;
bool need_wlun_scan = false;
oldpath = request_ccb->ccb_h.path;
status = cam_ccb_status(request_ccb);
scan_info = (scsi_scan_bus_info *)request_ccb->ccb_h.ppriv_ptr0;
path_id = request_ccb->ccb_h.path_id;
target_id = request_ccb->ccb_h.target_id;
lun_id = request_ccb->ccb_h.target_lun;
target = request_ccb->ccb_h.path->target;
next_target = 1;
mtx = xpt_path_mtx(scan_info->request_ccb->ccb_h.path);
mtx_lock(mtx);
if (scan_info->cpi->hba_misc & PIM_WLUNS) {
mtx_lock(&target->luns_mtx);
if (target->wluns) {
nwluns = scsi_4btoul(target->wluns->length) / 8;
if (scan_info->lunindex[target_id].wlun < nwluns)
need_wlun_scan = true;
}
if (need_wlun_scan) {
CAM_GET_LUN(target->wluns, scan_info->lunindex[target_id].wlun, lun_id);
mtx_unlock(&target->luns_mtx);
next_target = 0;
CAM_DEBUG(request_ccb->ccb_h.path,
CAM_DEBUG_PROBE,
("next wlun to try at index %u is %jx\n",
scan_info->lunindex[target_id].wlun,
(uintmax_t)lun_id));
scan_info->lunindex[target_id].wlun++;
} else {
mtx_unlock(&target->luns_mtx);
}
}
if (!need_wlun_scan) {
mtx_lock(&target->luns_mtx);
if (target->luns) {
lun_id_t first;
u_int nluns = scsi_4btoul(target->luns->length) / 8;
CAM_GET_LUN(target->luns, 0, first);
if (first == 0 && scan_info->lunindex[target_id].lun == 0) {
scan_info->lunindex[target_id].lun++;
}
while (scan_info->lunindex[target_id].lun < nluns) {
if (scan_info->cpi->hba_misc & PIM_EXTLUNS) {
CAM_GET_LUN(target->luns,
scan_info->lunindex[target_id].lun,
lun_id);
break;
}
if (CAM_CAN_GET_SIMPLE_LUN(target->luns,
scan_info->lunindex[target_id].lun)) {
CAM_GET_SIMPLE_LUN(target->luns,
scan_info->lunindex[target_id].lun,
lun_id);
break;
}
scan_info->lunindex[target_id].lun++;
}
if (scan_info->lunindex[target_id].lun < nluns) {
mtx_unlock(&target->luns_mtx);
next_target = 0;
CAM_DEBUG(request_ccb->ccb_h.path,
CAM_DEBUG_PROBE,
("next lun to try at index %u is %jx\n",
scan_info->lunindex[target_id].lun,
(uintmax_t)lun_id));
scan_info->lunindex[target_id].lun++;
} else {
mtx_unlock(&target->luns_mtx);
}
} else {
mtx_unlock(&target->luns_mtx);
device = request_ccb->ccb_h.path->device;
mtx_lock(&target->bus->eb_mtx);
nextdev = device;
while ((nextdev = TAILQ_NEXT(nextdev, links)) != NULL)
if ((nextdev->flags & CAM_DEV_UNCONFIGURED) == 0)
break;
mtx_unlock(&target->bus->eb_mtx);
if (nextdev != NULL) {
next_target = 0;
} else if (SCSI_QUIRK(device)->quirks & CAM_QUIRK_NOLUNS) {
next_target = 1;
} else if ((device->flags & CAM_DEV_UNCONFIGURED) == 0) {
if (lun_id < (CAM_SCSI2_MAXLUN-1) ||
CAN_SRCH_HI_DENSE(device))
next_target = 0;
} else if ((device->flags & CAM_DEV_INQUIRY_DATA_VALID) != 0) {
if (lun_id < (CAM_SCSI2_MAXLUN-1) ||
CAN_SRCH_HI_SPARSE(device))
next_target = 0;
}
if (next_target == 0) {
lun_id++;
if (lun_id > scan_info->cpi->max_lun)
next_target = 1;
}
}
}
if (next_target) {
bool done;
xpt_free_path(oldpath);
hop_again:
done = false;
if (scan_info->request_ccb->ccb_h.func_code == XPT_SCAN_TGT) {
done = true;
} else if (scan_info->cpi->hba_misc & PIM_SEQSCAN) {
scan_info->counter++;
if (scan_info->counter ==
scan_info->cpi->initiator_id) {
scan_info->counter++;
}
if (scan_info->counter >=
scan_info->cpi->max_target+1) {
done = true;
}
} else {
scan_info->counter--;
if (scan_info->counter == 0) {
done = true;
}
}
if (done) {
mtx_unlock(mtx);
xpt_free_ccb(request_ccb);
request_ccb = scan_info->request_ccb;
CAM_DEBUG(request_ccb->ccb_h.path,
CAM_DEBUG_TRACE,
("SCAN done for %p\n", scan_info));
free_scan_info(scan_info);
request_ccb->ccb_h.status = CAM_REQ_CMP;
xpt_done(request_ccb);
break;
}
if ((scan_info->cpi->hba_misc & PIM_SEQSCAN) == 0) {
mtx_unlock(mtx);
xpt_free_ccb(request_ccb);
break;
}
status = xpt_create_path(&path, NULL,
scan_info->request_ccb->ccb_h.path_id,
scan_info->counter, 0);
if (status != CAM_REQ_CMP) {
mtx_unlock(mtx);
printf(
"scsi_scan_bus: xpt_create_path failed with status %#x, bus scan halted\n",
status);
xpt_free_ccb(request_ccb);
request_ccb = scan_info->request_ccb;
free_scan_info(scan_info);
request_ccb->ccb_h.status = status;
xpt_done(request_ccb);
break;
}
xpt_setup_ccb(&request_ccb->ccb_h, path,
request_ccb->ccb_h.pinfo.priority);
request_ccb->ccb_h.func_code = XPT_SCAN_LUN;
request_ccb->ccb_h.cbfcnp = scsi_scan_bus;
request_ccb->ccb_h.flags |= CAM_UNLOCKED;
request_ccb->ccb_h.ppriv_ptr0 = scan_info;
request_ccb->crcn.flags =
scan_info->request_ccb->crcn.flags;
} else {
status = xpt_create_path(&path, NULL,
path_id, target_id, lun_id);
xpt_free_path(oldpath);
if (status != CAM_REQ_CMP) {
printf(
"scsi_scan_bus: xpt_create_path failed with status %#x, halting LUN scan\n",
status);
goto hop_again;
}
xpt_setup_ccb(&request_ccb->ccb_h, path,
request_ccb->ccb_h.pinfo.priority);
request_ccb->ccb_h.func_code = XPT_SCAN_LUN;
request_ccb->ccb_h.cbfcnp = scsi_scan_bus;
request_ccb->ccb_h.flags |= CAM_UNLOCKED;
request_ccb->ccb_h.ppriv_ptr0 = scan_info;
request_ccb->crcn.flags =
scan_info->request_ccb->crcn.flags;
}
mtx_unlock(mtx);
xpt_action(request_ccb);
break;
}
default:
break;
}
}
static void
scsi_scan_lun(struct cam_periph *periph, struct cam_path *path,
cam_flags flags, union ccb *request_ccb)
{
struct ccb_pathinq cpi;
cam_status status;
struct cam_path *new_path;
struct cam_periph *old_periph;
int lock;
CAM_DEBUG(path, CAM_DEBUG_TRACE, ("scsi_scan_lun\n"));
xpt_path_inq(&cpi, path);
if (cpi.ccb_h.status != CAM_REQ_CMP) {
if (request_ccb != NULL) {
request_ccb->ccb_h.status = cpi.ccb_h.status;
xpt_done(request_ccb);
}
return;
}
if ((cpi.hba_misc & PIM_NOINITIATOR) != 0) {
if (request_ccb != NULL) {
request_ccb->ccb_h.status = CAM_REQ_CMP;
xpt_done(request_ccb);
}
return;
}
if (request_ccb == NULL) {
request_ccb = xpt_alloc_ccb_nowait();
if (request_ccb == NULL) {
xpt_print(path,
"scsi_scan_lun: can't allocate CCB, can't continue\n");
return;
}
status = xpt_create_path(&new_path, NULL,
path->bus->path_id,
path->target->target_id,
path->device->lun_id);
if (status != CAM_REQ_CMP) {
xpt_print(path,
"scsi_scan_lun: can't create path, can't continue\n");
xpt_free_ccb(request_ccb);
return;
}
xpt_setup_ccb(&request_ccb->ccb_h, new_path, CAM_PRIORITY_XPT);
request_ccb->ccb_h.cbfcnp = xptscandone;
request_ccb->ccb_h.func_code = XPT_SCAN_LUN;
request_ccb->ccb_h.flags |= CAM_UNLOCKED;
request_ccb->crcn.flags = flags;
}
lock = (xpt_path_owned(path) == 0);
if (lock)
xpt_path_lock(path);
if ((old_periph = cam_periph_find(path, "probe")) != NULL) {
if ((old_periph->flags & CAM_PERIPH_INVALID) == 0) {
probe_softc *softc;
softc = (probe_softc *)old_periph->softc;
TAILQ_INSERT_TAIL(&softc->request_ccbs,
&request_ccb->ccb_h, periph_links.tqe);
} else {
request_ccb->ccb_h.status = CAM_REQ_CMP_ERR;
xpt_done(request_ccb);
}
} else {
status = cam_periph_alloc(proberegister, NULL, probecleanup,
probestart, "probe",
CAM_PERIPH_BIO,
request_ccb->ccb_h.path, NULL, 0,
request_ccb);
if (status != CAM_REQ_CMP) {
xpt_print(path,
"scsi_scan_lun: cam_alloc_periph returned an error, can't continue probe\n");
request_ccb->ccb_h.status = status;
xpt_done(request_ccb);
}
}
if (lock)
xpt_path_unlock(path);
}
static void
xptscandone(struct cam_periph *periph, union ccb *done_ccb)
{
xpt_free_path(done_ccb->ccb_h.path);
xpt_free_ccb(done_ccb);
}
static struct cam_ed *
scsi_alloc_device(struct cam_eb *bus, struct cam_et *target, lun_id_t lun_id)
{
struct scsi_quirk_entry *quirk;
struct cam_ed *device;
device = xpt_alloc_device(bus, target, lun_id);
if (device == NULL)
return (NULL);
quirk = &scsi_quirk_table[nitems(scsi_quirk_table) - 1];
device->quirk = (void *)quirk;
device->mintags = quirk->mintags;
device->maxtags = quirk->maxtags;
bzero(&device->inq_data, sizeof(device->inq_data));
device->inq_flags = 0;
device->queue_flags = 0;
device->serial_num = NULL;
device->serial_num_len = 0;
device->device_id = NULL;
device->device_id_len = 0;
device->supported_vpds = NULL;
device->supported_vpds_len = 0;
return (device);
}
static void
scsi_devise_transport(struct cam_path *path)
{
struct ccb_pathinq cpi;
struct ccb_trans_settings cts;
struct scsi_inquiry_data *inq_buf;
xpt_path_inq(&cpi, path);
inq_buf = NULL;
if ((path->device->flags & CAM_DEV_INQUIRY_DATA_VALID) != 0)
inq_buf = &path->device->inq_data;
path->device->protocol = PROTO_SCSI;
path->device->protocol_version =
inq_buf != NULL ? SID_ANSI_REV(inq_buf) : cpi.protocol_version;
path->device->transport = cpi.transport;
path->device->transport_version = cpi.transport_version;
if (inq_buf != NULL) {
if (path->device->transport == XPORT_SPI
&& (inq_buf->spi3data & SID_SPI_MASK) == 0
&& path->device->transport_version > 2)
path->device->transport_version = 2;
} else {
struct cam_ed* otherdev;
for (otherdev = TAILQ_FIRST(&path->target->ed_entries);
otherdev != NULL;
otherdev = TAILQ_NEXT(otherdev, links)) {
if (otherdev != path->device)
break;
}
if (otherdev != NULL) {
path->device->protocol_version =
otherdev->protocol_version;
path->device->transport_version =
otherdev->transport_version;
} else {
path->device->protocol_version = 2;
if (path->device->transport == XPORT_SPI)
path->device->transport_version = 2;
else
path->device->transport_version = 0;
}
}
memset(&cts, 0, sizeof(cts));
xpt_setup_ccb(&cts.ccb_h, path, CAM_PRIORITY_NONE);
cts.ccb_h.func_code = XPT_SET_TRAN_SETTINGS;
cts.type = CTS_TYPE_CURRENT_SETTINGS;
cts.transport = path->device->transport;
cts.transport_version = path->device->transport_version;
cts.protocol = path->device->protocol;
cts.protocol_version = path->device->protocol_version;
cts.proto_specific.valid = 0;
cts.xport_specific.valid = 0;
xpt_action((union ccb *)&cts);
}
static void
scsi_dev_advinfo(union ccb *start_ccb)
{
struct cam_ed *device;
struct ccb_dev_advinfo *cdai;
off_t amt;
xpt_path_assert(start_ccb->ccb_h.path, MA_OWNED);
start_ccb->ccb_h.status = CAM_REQ_INVALID;
device = start_ccb->ccb_h.path->device;
cdai = &start_ccb->cdai;
switch(cdai->buftype) {
case CDAI_TYPE_SCSI_DEVID:
if (cdai->flags & CDAI_FLAG_STORE)
return;
cdai->provsiz = device->device_id_len;
if (device->device_id_len == 0)
break;
amt = device->device_id_len;
if (cdai->provsiz > cdai->bufsiz)
amt = cdai->bufsiz;
memcpy(cdai->buf, device->device_id, amt);
break;
case CDAI_TYPE_SERIAL_NUM:
if (cdai->flags & CDAI_FLAG_STORE)
return;
cdai->provsiz = device->serial_num_len;
if (device->serial_num_len == 0)
break;
amt = device->serial_num_len;
if (cdai->provsiz > cdai->bufsiz)
amt = cdai->bufsiz;
memcpy(cdai->buf, device->serial_num, amt);
break;
case CDAI_TYPE_PHYS_PATH:
if (cdai->flags & CDAI_FLAG_STORE) {
if (device->physpath != NULL) {
free(device->physpath, M_CAMXPT);
device->physpath = NULL;
device->physpath_len = 0;
}
if (cdai->bufsiz == 0)
break;
device->physpath = malloc(cdai->bufsiz, M_CAMXPT, M_NOWAIT);
if (device->physpath == NULL) {
start_ccb->ccb_h.status = CAM_REQ_ABORTED;
return;
}
device->physpath_len = cdai->bufsiz;
memcpy(device->physpath, cdai->buf, cdai->bufsiz);
} else {
cdai->provsiz = device->physpath_len;
if (device->physpath_len == 0)
break;
amt = device->physpath_len;
if (cdai->provsiz > cdai->bufsiz)
amt = cdai->bufsiz;
memcpy(cdai->buf, device->physpath, amt);
}
break;
case CDAI_TYPE_RCAPLONG:
if (cdai->flags & CDAI_FLAG_STORE) {
if (device->rcap_buf != NULL) {
free(device->rcap_buf, M_CAMXPT);
device->rcap_buf = NULL;
}
device->rcap_len = cdai->bufsiz;
if (cdai->bufsiz == 0)
break;
device->rcap_buf = malloc(cdai->bufsiz, M_CAMXPT,
M_NOWAIT);
if (device->rcap_buf == NULL) {
start_ccb->ccb_h.status = CAM_REQ_ABORTED;
return;
}
memcpy(device->rcap_buf, cdai->buf, cdai->bufsiz);
} else {
cdai->provsiz = device->rcap_len;
if (device->rcap_len == 0)
break;
amt = device->rcap_len;
if (cdai->provsiz > cdai->bufsiz)
amt = cdai->bufsiz;
memcpy(cdai->buf, device->rcap_buf, amt);
}
break;
case CDAI_TYPE_EXT_INQ:
if (cdai->flags & CDAI_FLAG_STORE)
return;
cdai->provsiz = device->ext_inq_len;
if (device->ext_inq_len == 0)
break;
amt = device->ext_inq_len;
if (cdai->provsiz > cdai->bufsiz)
amt = cdai->bufsiz;
memcpy(cdai->buf, device->ext_inq, amt);
break;
default:
return;
}
start_ccb->ccb_h.status = CAM_REQ_CMP;
if (cdai->flags & CDAI_FLAG_STORE) {
xpt_async(AC_ADVINFO_CHANGED, start_ccb->ccb_h.path,
(void *)(uintptr_t)cdai->buftype);
}
}
static void
scsi_action(union ccb *start_ccb)
{
if (start_ccb->ccb_h.func_code != XPT_SCSI_IO) {
KASSERT((start_ccb->ccb_h.alloc_flags & CAM_CCB_FROM_UMA) == 0,
("%s: ccb %p, func_code %#x should not be allocated from UMA zone\n",
__func__, start_ccb, start_ccb->ccb_h.func_code));
}
switch (start_ccb->ccb_h.func_code) {
case XPT_SET_TRAN_SETTINGS:
{
scsi_set_transfer_settings(&start_ccb->cts,
start_ccb->ccb_h.path,
FALSE);
break;
}
case XPT_SCAN_BUS:
case XPT_SCAN_TGT:
scsi_scan_bus(start_ccb->ccb_h.path->periph, start_ccb);
break;
case XPT_SCAN_LUN:
scsi_scan_lun(start_ccb->ccb_h.path->periph,
start_ccb->ccb_h.path, start_ccb->crcn.flags,
start_ccb);
break;
case XPT_DEV_ADVINFO:
{
scsi_dev_advinfo(start_ccb);
break;
}
default:
xpt_action_default(start_ccb);
break;
}
}
static void
scsi_set_transfer_settings(struct ccb_trans_settings *cts, struct cam_path *path,
int async_update)
{
struct ccb_pathinq cpi;
struct ccb_trans_settings cur_cts;
struct ccb_trans_settings_scsi *scsi;
struct ccb_trans_settings_scsi *cur_scsi;
struct scsi_inquiry_data *inq_data;
struct cam_ed *device;
if (path == NULL || (device = path->device) == NULL) {
cts->ccb_h.status = CAM_PATH_INVALID;
xpt_done((union ccb *)cts);
return;
}
if (cts->protocol == PROTO_UNKNOWN
|| cts->protocol == PROTO_UNSPECIFIED) {
cts->protocol = device->protocol;
cts->protocol_version = device->protocol_version;
}
if (cts->protocol_version == PROTO_VERSION_UNKNOWN
|| cts->protocol_version == PROTO_VERSION_UNSPECIFIED)
cts->protocol_version = device->protocol_version;
if (cts->protocol != device->protocol) {
xpt_print(path, "Uninitialized Protocol %x:%x?\n",
cts->protocol, device->protocol);
cts->protocol = device->protocol;
}
if (cts->protocol_version > device->protocol_version) {
if (bootverbose) {
xpt_print(path,
"Down reving Protocol Version from %d to %d?\n",
cts->protocol_version,
device->protocol_version);
}
cts->protocol_version = device->protocol_version;
}
if (cts->transport == XPORT_UNKNOWN
|| cts->transport == XPORT_UNSPECIFIED) {
cts->transport = device->transport;
cts->transport_version = device->transport_version;
}
if (cts->transport_version == XPORT_VERSION_UNKNOWN
|| cts->transport_version == XPORT_VERSION_UNSPECIFIED)
cts->transport_version = device->transport_version;
if (cts->transport != device->transport) {
xpt_print(path, "Uninitialized Transport %x:%x?\n",
cts->transport, device->transport);
cts->transport = device->transport;
}
if (cts->transport_version > device->transport_version) {
if (bootverbose) {
xpt_print(path,
"Down reving Transport Version from %d to %d?\n",
cts->transport_version,
device->transport_version);
}
cts->transport_version = device->transport_version;
}
if (cts->protocol != PROTO_SCSI) {
if (async_update == FALSE)
xpt_action_default((union ccb *)cts);
return;
}
inq_data = &device->inq_data;
scsi = &cts->proto_specific.scsi;
xpt_path_inq(&cpi, path);
if ((cpi.hba_inquiry & PI_TAG_ABLE) == 0
|| (INQ_DATA_TQ_ENABLED(inq_data)) == 0
|| (device->queue_flags & SCP_QUEUE_DQUE) != 0
|| (device->mintags == 0)) {
scsi->flags &= ~CTS_SCSI_FLAGS_TAG_ENB;
}
if (async_update == FALSE) {
memset(&cur_cts, 0, sizeof(cur_cts));
xpt_setup_ccb(&cur_cts.ccb_h, path, CAM_PRIORITY_NONE);
cur_cts.ccb_h.func_code = XPT_GET_TRAN_SETTINGS;
cur_cts.type = cts->type;
xpt_action((union ccb *)&cur_cts);
if (cam_ccb_status((union ccb *)&cur_cts) != CAM_REQ_CMP) {
return;
}
cur_scsi = &cur_cts.proto_specific.scsi;
if ((scsi->valid & CTS_SCSI_VALID_TQ) == 0) {
scsi->flags &= ~CTS_SCSI_FLAGS_TAG_ENB;
scsi->flags |= cur_scsi->flags & CTS_SCSI_FLAGS_TAG_ENB;
}
if ((cur_scsi->valid & CTS_SCSI_VALID_TQ) == 0)
scsi->flags &= ~CTS_SCSI_FLAGS_TAG_ENB;
}
if (cts->transport == XPORT_SPI && async_update == FALSE) {
u_int spi3caps;
struct ccb_trans_settings_spi *spi;
struct ccb_trans_settings_spi *cur_spi;
spi = &cts->xport_specific.spi;
cur_spi = &cur_cts.xport_specific.spi;
if ((spi->valid & CTS_SPI_VALID_SYNC_RATE) == 0)
spi->sync_period = cur_spi->sync_period;
if ((cur_spi->valid & CTS_SPI_VALID_SYNC_RATE) == 0)
spi->sync_period = 0;
if ((spi->valid & CTS_SPI_VALID_SYNC_OFFSET) == 0)
spi->sync_offset = cur_spi->sync_offset;
if ((cur_spi->valid & CTS_SPI_VALID_SYNC_OFFSET) == 0)
spi->sync_offset = 0;
if ((spi->valid & CTS_SPI_VALID_PPR_OPTIONS) == 0)
spi->ppr_options = cur_spi->ppr_options;
if ((cur_spi->valid & CTS_SPI_VALID_PPR_OPTIONS) == 0)
spi->ppr_options = 0;
if ((spi->valid & CTS_SPI_VALID_BUS_WIDTH) == 0)
spi->bus_width = cur_spi->bus_width;
if ((cur_spi->valid & CTS_SPI_VALID_BUS_WIDTH) == 0)
spi->bus_width = 0;
if ((spi->valid & CTS_SPI_VALID_DISC) == 0) {
spi->flags &= ~CTS_SPI_FLAGS_DISC_ENB;
spi->flags |= cur_spi->flags & CTS_SPI_FLAGS_DISC_ENB;
}
if ((cur_spi->valid & CTS_SPI_VALID_DISC) == 0)
spi->flags &= ~CTS_SPI_FLAGS_DISC_ENB;
if (((device->flags & CAM_DEV_INQUIRY_DATA_VALID) != 0
&& (inq_data->flags & SID_Sync) == 0
&& cts->type == CTS_TYPE_CURRENT_SETTINGS)
|| ((cpi.hba_inquiry & PI_SDTR_ABLE) == 0)) {
spi->sync_period = 0;
spi->sync_offset = 0;
}
switch (spi->bus_width) {
case MSG_EXT_WDTR_BUS_32_BIT:
if (((device->flags & CAM_DEV_INQUIRY_DATA_VALID) == 0
|| (inq_data->flags & SID_WBus32) != 0
|| cts->type == CTS_TYPE_USER_SETTINGS)
&& (cpi.hba_inquiry & PI_WIDE_32) != 0)
break;
case MSG_EXT_WDTR_BUS_16_BIT:
if (((device->flags & CAM_DEV_INQUIRY_DATA_VALID) == 0
|| (inq_data->flags & SID_WBus16) != 0
|| cts->type == CTS_TYPE_USER_SETTINGS)
&& (cpi.hba_inquiry & PI_WIDE_16) != 0) {
spi->bus_width = MSG_EXT_WDTR_BUS_16_BIT;
break;
}
default:
case MSG_EXT_WDTR_BUS_8_BIT:
spi->bus_width = MSG_EXT_WDTR_BUS_8_BIT;
break;
}
spi3caps = cpi.xport_specific.spi.ppr_options;
if ((device->flags & CAM_DEV_INQUIRY_DATA_VALID) != 0
&& cts->type == CTS_TYPE_CURRENT_SETTINGS)
spi3caps &= inq_data->spi3data;
if ((spi3caps & SID_SPI_CLOCK_DT) == 0)
spi->ppr_options &= ~MSG_EXT_PPR_DT_REQ;
if ((spi3caps & SID_SPI_IUS) == 0)
spi->ppr_options &= ~MSG_EXT_PPR_IU_REQ;
if ((spi3caps & SID_SPI_QAS) == 0)
spi->ppr_options &= ~MSG_EXT_PPR_QAS_REQ;
if (spi->bus_width == 0)
spi->ppr_options = 0;
if ((spi->valid & CTS_SPI_VALID_DISC)
&& ((spi->flags & CTS_SPI_FLAGS_DISC_ENB) == 0)) {
scsi->flags &= ~CTS_SCSI_FLAGS_TAG_ENB;
scsi->valid |= CTS_SCSI_VALID_TQ;
}
if (cts->type == CTS_TYPE_CURRENT_SETTINGS
&& (device->inq_flags & SID_CmdQue) != 0
&& (scsi->flags & CTS_SCSI_FLAGS_TAG_ENB) != 0
&& (spi->flags & (CTS_SPI_VALID_SYNC_RATE|
CTS_SPI_VALID_SYNC_OFFSET|
CTS_SPI_VALID_BUS_WIDTH)) != 0)
scsi_toggle_tags(path);
}
if (cts->type == CTS_TYPE_CURRENT_SETTINGS
&& (scsi->valid & CTS_SCSI_VALID_TQ) != 0) {
int device_tagenb;
if ((device->flags & CAM_DEV_TAG_AFTER_COUNT) != 0
|| (device->inq_flags & SID_CmdQue) != 0)
device_tagenb = TRUE;
else
device_tagenb = FALSE;
if (((scsi->flags & CTS_SCSI_FLAGS_TAG_ENB) != 0
&& device_tagenb == FALSE)
|| ((scsi->flags & CTS_SCSI_FLAGS_TAG_ENB) == 0
&& device_tagenb == TRUE)) {
if ((scsi->flags & CTS_SCSI_FLAGS_TAG_ENB) != 0) {
device->tag_delay_count = CAM_TAG_DELAY_COUNT;
device->flags |= CAM_DEV_TAG_AFTER_COUNT;
} else {
xpt_stop_tags(path);
}
}
}
if (async_update == FALSE)
xpt_action_default((union ccb *)cts);
}
static void
scsi_toggle_tags(struct cam_path *path)
{
struct cam_ed *dev;
dev = path->device;
if ((dev->flags & CAM_DEV_TAG_AFTER_COUNT) != 0
|| ((dev->inq_flags & SID_CmdQue) != 0
&& (dev->inq_flags & (SID_Sync|SID_WBus16|SID_WBus32)) != 0)) {
struct ccb_trans_settings cts;
memset(&cts, 0, sizeof(cts));
xpt_setup_ccb(&cts.ccb_h, path, CAM_PRIORITY_NONE);
cts.protocol = PROTO_SCSI;
cts.protocol_version = PROTO_VERSION_UNSPECIFIED;
cts.transport = XPORT_UNSPECIFIED;
cts.transport_version = XPORT_VERSION_UNSPECIFIED;
cts.proto_specific.scsi.flags = 0;
cts.proto_specific.scsi.valid = CTS_SCSI_VALID_TQ;
scsi_set_transfer_settings(&cts, path,
TRUE);
cts.proto_specific.scsi.flags = CTS_SCSI_FLAGS_TAG_ENB;
scsi_set_transfer_settings(&cts, path,
TRUE);
}
}
static void
scsi_dev_async(uint32_t async_code, struct cam_eb *bus, struct cam_et *target,
struct cam_ed *device, void *async_arg)
{
cam_status status;
struct cam_path newpath;
if (target->target_id == CAM_TARGET_WILDCARD
|| device->lun_id == CAM_LUN_WILDCARD)
return;
if ((async_code == AC_SENT_BDR)
|| (async_code == AC_BUS_RESET)
|| (async_code == AC_INQ_CHANGED))
status = xpt_compile_path(&newpath, NULL,
bus->path_id,
target->target_id,
device->lun_id);
else
status = CAM_REQ_CMP_ERR;
if (status == CAM_REQ_CMP) {
if (async_code == AC_SENT_BDR
|| async_code == AC_BUS_RESET) {
cam_freeze_devq(&newpath);
cam_release_devq(&newpath,
RELSIM_RELEASE_AFTER_TIMEOUT,
0,
scsi_delay,
0);
scsi_toggle_tags(&newpath);
}
if (async_code == AC_INQ_CHANGED) {
scsi_scan_lun(newpath.periph, &newpath,
CAM_EXPECT_INQ_CHANGE, NULL);
}
xpt_release_path(&newpath);
} else if (async_code == AC_LOST_DEVICE &&
(device->flags & CAM_DEV_UNCONFIGURED) == 0) {
device->flags |= CAM_DEV_UNCONFIGURED;
xpt_release_device(device);
} else if (async_code == AC_TRANSFER_NEG) {
struct ccb_trans_settings *settings;
struct cam_path path;
settings = (struct ccb_trans_settings *)async_arg;
xpt_compile_path(&path, NULL, bus->path_id, target->target_id,
device->lun_id);
scsi_set_transfer_settings(settings, &path,
TRUE);
xpt_release_path(&path);
}
}
static void
_scsi_announce_periph(struct cam_periph *periph, u_int *speed, u_int *freq, struct ccb_trans_settings *cts)
{
struct ccb_pathinq cpi;
struct cam_path *path = periph->path;
cam_periph_assert(periph, MA_OWNED);
xpt_setup_ccb(&cts->ccb_h, path, CAM_PRIORITY_NORMAL);
cts->ccb_h.func_code = XPT_GET_TRAN_SETTINGS;
cts->type = CTS_TYPE_CURRENT_SETTINGS;
xpt_action((union ccb*)cts);
if (cam_ccb_status((union ccb *)cts) != CAM_REQ_CMP)
return;
xpt_path_inq(&cpi, path);
*speed = cpi.base_transfer_speed;
*freq = 0;
if (cts->ccb_h.status == CAM_REQ_CMP && cts->transport == XPORT_SPI) {
struct ccb_trans_settings_spi *spi =
&cts->xport_specific.spi;
if ((spi->valid & CTS_SPI_VALID_SYNC_OFFSET) != 0
&& spi->sync_offset != 0) {
*freq = scsi_calc_syncsrate(spi->sync_period);
*speed = *freq;
}
if ((spi->valid & CTS_SPI_VALID_BUS_WIDTH) != 0)
*speed *= (0x01 << spi->bus_width);
}
if (cts->ccb_h.status == CAM_REQ_CMP && cts->transport == XPORT_FC) {
struct ccb_trans_settings_fc *fc =
&cts->xport_specific.fc;
if (fc->valid & CTS_FC_VALID_SPEED)
*speed = fc->bitrate;
}
if (cts->ccb_h.status == CAM_REQ_CMP && cts->transport == XPORT_SAS) {
struct ccb_trans_settings_sas *sas =
&cts->xport_specific.sas;
if (sas->valid & CTS_SAS_VALID_SPEED)
*speed = sas->bitrate;
}
}
static void
scsi_announce_periph_sbuf(struct cam_periph *periph, struct sbuf *sb)
{
struct ccb_trans_settings cts;
u_int speed, freq, mb;
memset(&cts, 0, sizeof(cts));
_scsi_announce_periph(periph, &speed, &freq, &cts);
if (cam_ccb_status((union ccb *)&cts) != CAM_REQ_CMP)
return;
mb = speed / 1000;
if (mb > 0)
sbuf_printf(sb, "%s%d: %d.%03dMB/s transfers",
periph->periph_name, periph->unit_number,
mb, speed % 1000);
else
sbuf_printf(sb, "%s%d: %dKB/s transfers", periph->periph_name,
periph->unit_number, speed);
if (cts.ccb_h.status == CAM_REQ_CMP && cts.transport == XPORT_SPI) {
struct ccb_trans_settings_spi *spi;
spi = &cts.xport_specific.spi;
if (freq != 0) {
sbuf_printf(sb, " (%d.%03dMHz%s, offset %d", freq / 1000,
freq % 1000,
(spi->ppr_options & MSG_EXT_PPR_DT_REQ) != 0
? " DT" : "",
spi->sync_offset);
}
if ((spi->valid & CTS_SPI_VALID_BUS_WIDTH) != 0
&& spi->bus_width > 0) {
if (freq != 0) {
sbuf_cat(sb, ", ");
} else {
sbuf_cat(sb, " (");
}
sbuf_printf(sb, "%dbit)", 8 * (0x01 << spi->bus_width));
} else if (freq != 0) {
sbuf_putc(sb, ')');
}
}
if (cts.ccb_h.status == CAM_REQ_CMP && cts.transport == XPORT_FC) {
struct ccb_trans_settings_fc *fc;
fc = &cts.xport_specific.fc;
if (fc->valid & CTS_FC_VALID_WWNN)
sbuf_printf(sb, " WWNN 0x%llx", (long long) fc->wwnn);
if (fc->valid & CTS_FC_VALID_WWPN)
sbuf_printf(sb, " WWPN 0x%llx", (long long) fc->wwpn);
if (fc->valid & CTS_FC_VALID_PORT)
sbuf_printf(sb, " PortID 0x%x", fc->port);
}
sbuf_putc(sb, '\n');
}
static void
scsi_proto_announce_sbuf(struct cam_ed *device, struct sbuf *sb)
{
scsi_print_inquiry_sbuf(sb, &device->inq_data);
}
static void
scsi_proto_denounce_sbuf(struct cam_ed *device, struct sbuf *sb)
{
scsi_print_inquiry_short_sbuf(sb, &device->inq_data);
}
static void
scsi_proto_debug_out(union ccb *ccb)
{
char cdb_str[(SCSI_MAX_CDBLEN * 3) + 1];
struct cam_ed *device;
if (ccb->ccb_h.func_code != XPT_SCSI_IO)
return;
device = ccb->ccb_h.path->device;
CAM_DEBUG(ccb->ccb_h.path,
CAM_DEBUG_CDB,("%s. CDB: %s\n",
scsi_op_desc(scsiio_cdb_ptr(&ccb->csio)[0], &device->inq_data),
scsi_cdb_string(scsiio_cdb_ptr(&ccb->csio), cdb_str, sizeof(cdb_str))));
}
