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freebsd-dev/sys/dev/mpr/mpr_sas_lsi.c
Alan Somers fa699bb23e misc minor fixes in mpr(4) 
sys/dev/mpr/mpr_sas.c
	* Fix a potential null pointer dereference (CID 1305731)
	* Check for overrun of the ccb_scsiio.cdb_io.cdb_bytes buffer (CID
	  1211934)

sys/dev/mpr/mpr_sas_lsi.c
	* Nullify a dangling pointer in mprsas_get_sata_identify
	* Fix a memory leak in mprsas_SSU_to_SATA_devices (CID 1211935)

Reported by:	Coverity (partially)
CID:		1305731 1211934 1211935
Reviewed by:	slm
MFC after:	4 weeks
Sponsored by:	Spectra Logic Corp
Differential Revision:	https://reviews.freebsd.org/D8880
2017-01-03 17:35:16 +00:00

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/*-
* Copyright (c) 2011-2015 LSI Corp.
* Copyright (c) 2013-2016 Avago Technologies
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* Avago Technologies (LSI) MPT-Fusion Host Adapter FreeBSD
*/
#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");
/* Communications core for Avago Technologies (LSI) MPT3 */
/* TODO Move headers to mprvar */
#include <sys/types.h>
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/kernel.h>
#include <sys/selinfo.h>
#include <sys/module.h>
#include <sys/bus.h>
#include <sys/conf.h>
#include <sys/bio.h>
#include <sys/malloc.h>
#include <sys/uio.h>
#include <sys/sysctl.h>
#include <sys/endian.h>
#include <sys/queue.h>
#include <sys/kthread.h>
#include <sys/taskqueue.h>
#include <sys/sbuf.h>
#include <machine/bus.h>
#include <machine/resource.h>
#include <sys/rman.h>
#include <machine/stdarg.h>
#include <cam/cam.h>
#include <cam/cam_ccb.h>
#include <cam/cam_debug.h>
#include <cam/cam_sim.h>
#include <cam/cam_xpt_sim.h>
#include <cam/cam_xpt_periph.h>
#include <cam/cam_periph.h>
#include <cam/scsi/scsi_all.h>
#include <cam/scsi/scsi_message.h>
#include <dev/mpr/mpi/mpi2_type.h>
#include <dev/mpr/mpi/mpi2.h>
#include <dev/mpr/mpi/mpi2_ioc.h>
#include <dev/mpr/mpi/mpi2_sas.h>
#include <dev/mpr/mpi/mpi2_cnfg.h>
#include <dev/mpr/mpi/mpi2_init.h>
#include <dev/mpr/mpi/mpi2_raid.h>
#include <dev/mpr/mpi/mpi2_tool.h>
#include <dev/mpr/mpr_ioctl.h>
#include <dev/mpr/mprvar.h>
#include <dev/mpr/mpr_table.h>
#include <dev/mpr/mpr_sas.h>
/* For Hashed SAS Address creation for SATA Drives */
#define MPT2SAS_SN_LEN 20
#define MPT2SAS_MN_LEN 40
struct mpr_fw_event_work {
u16 event;
void *event_data;
TAILQ_ENTRY(mpr_fw_event_work) ev_link;
};
union _sata_sas_address {
u8 wwid[8];
struct {
u32 high;
u32 low;
} word;
};
/*
* define the IDENTIFY DEVICE structure
*/
struct _ata_identify_device_data {
u16 reserved1[10]; /* 0-9 */
u16 serial_number[10]; /* 10-19 */
u16 reserved2[7]; /* 20-26 */
u16 model_number[20]; /* 27-46*/
u16 reserved3[170]; /* 47-216 */
u16 rotational_speed; /* 217 */
u16 reserved4[38]; /* 218-255 */
};
static u32 event_count;
static void mprsas_fw_work(struct mpr_softc *sc,
struct mpr_fw_event_work *fw_event);
static void mprsas_fw_event_free(struct mpr_softc *,
struct mpr_fw_event_work *);
static int mprsas_add_device(struct mpr_softc *sc, u16 handle, u8 linkrate);
static int mprsas_get_sata_identify(struct mpr_softc *sc, u16 handle,
Mpi2SataPassthroughReply_t *mpi_reply, char *id_buffer, int sz,
u32 devinfo);
static void mprsas_ata_id_timeout(void *data);
int mprsas_get_sas_address_for_sata_disk(struct mpr_softc *sc,
u64 *sas_address, u16 handle, u32 device_info, u8 *is_SATA_SSD);
static int mprsas_volume_add(struct mpr_softc *sc,
u16 handle);
static void mprsas_SSU_to_SATA_devices(struct mpr_softc *sc);
static void mprsas_stop_unit_done(struct cam_periph *periph,
union ccb *done_ccb);
void
mprsas_evt_handler(struct mpr_softc *sc, uintptr_t data,
MPI2_EVENT_NOTIFICATION_REPLY *event)
{
struct mpr_fw_event_work *fw_event;
u16 sz;
mpr_dprint(sc, MPR_TRACE, "%s\n", __func__);
mpr_print_evt_sas(sc, event);
mprsas_record_event(sc, event);
fw_event = malloc(sizeof(struct mpr_fw_event_work), M_MPR,
M_ZERO|M_NOWAIT);
if (!fw_event) {
printf("%s: allocate failed for fw_event\n", __func__);
return;
}
sz = le16toh(event->EventDataLength) * 4;
fw_event->event_data = malloc(sz, M_MPR, M_ZERO|M_NOWAIT);
if (!fw_event->event_data) {
printf("%s: allocate failed for event_data\n", __func__);
free(fw_event, M_MPR);
return;
}
bcopy(event->EventData, fw_event->event_data, sz);
fw_event->event = event->Event;
if ((event->Event == MPI2_EVENT_SAS_TOPOLOGY_CHANGE_LIST ||
event->Event == MPI2_EVENT_SAS_ENCL_DEVICE_STATUS_CHANGE ||
event->Event == MPI2_EVENT_IR_CONFIGURATION_CHANGE_LIST) &&
sc->track_mapping_events)
sc->pending_map_events++;
/*
* When wait_for_port_enable flag is set, make sure that all the events
* are processed. Increment the startup_refcount and decrement it after
* events are processed.
*/
if ((event->Event == MPI2_EVENT_SAS_TOPOLOGY_CHANGE_LIST ||
event->Event == MPI2_EVENT_IR_CONFIGURATION_CHANGE_LIST) &&
sc->wait_for_port_enable)
mprsas_startup_increment(sc->sassc);
TAILQ_INSERT_TAIL(&sc->sassc->ev_queue, fw_event, ev_link);
taskqueue_enqueue(sc->sassc->ev_tq, &sc->sassc->ev_task);
}
static void
mprsas_fw_event_free(struct mpr_softc *sc, struct mpr_fw_event_work *fw_event)
{
free(fw_event->event_data, M_MPR);
free(fw_event, M_MPR);
}
/**
* _mpr_fw_work - delayed task for processing firmware events
* @sc: per adapter object
* @fw_event: The fw_event_work object
* Context: user.
*
* Return nothing.
*/
static void
mprsas_fw_work(struct mpr_softc *sc, struct mpr_fw_event_work *fw_event)
{
struct mprsas_softc *sassc;
sassc = sc->sassc;
mpr_dprint(sc, MPR_EVENT, "(%d)->(%s) Working on Event: [%x]\n",
event_count++, __func__, fw_event->event);
switch (fw_event->event) {
case MPI2_EVENT_SAS_TOPOLOGY_CHANGE_LIST:
{
MPI2_EVENT_DATA_SAS_TOPOLOGY_CHANGE_LIST *data;
MPI2_EVENT_SAS_TOPO_PHY_ENTRY *phy;
int i;
data = (MPI2_EVENT_DATA_SAS_TOPOLOGY_CHANGE_LIST *)
fw_event->event_data;
mpr_mapping_topology_change_event(sc, fw_event->event_data);
for (i = 0; i < data->NumEntries; i++) {
phy = &data->PHY[i];
switch (phy->PhyStatus & MPI2_EVENT_SAS_TOPO_RC_MASK) {
case MPI2_EVENT_SAS_TOPO_RC_TARG_ADDED:
if (mprsas_add_device(sc,
le16toh(phy->AttachedDevHandle),
phy->LinkRate)) {
printf("%s: failed to add device with "
"handle 0x%x\n", __func__,
le16toh(phy->AttachedDevHandle));
mprsas_prepare_remove(sassc, le16toh(
phy->AttachedDevHandle));
}
break;
case MPI2_EVENT_SAS_TOPO_RC_TARG_NOT_RESPONDING:
mprsas_prepare_remove(sassc, le16toh(
phy->AttachedDevHandle));
break;
case MPI2_EVENT_SAS_TOPO_RC_PHY_CHANGED:
case MPI2_EVENT_SAS_TOPO_RC_NO_CHANGE:
case MPI2_EVENT_SAS_TOPO_RC_DELAY_NOT_RESPONDING:
default:
break;
}
}
/*
* refcount was incremented for this event in
* mprsas_evt_handler. Decrement it here because the event has
* been processed.
*/
mprsas_startup_decrement(sassc);
break;
}
case MPI2_EVENT_SAS_DISCOVERY:
{
MPI2_EVENT_DATA_SAS_DISCOVERY *data;
data = (MPI2_EVENT_DATA_SAS_DISCOVERY *)fw_event->event_data;
if (data->ReasonCode & MPI2_EVENT_SAS_DISC_RC_STARTED)
mpr_dprint(sc, MPR_TRACE,"SAS discovery start event\n");
if (data->ReasonCode & MPI2_EVENT_SAS_DISC_RC_COMPLETED) {
mpr_dprint(sc, MPR_TRACE,"SAS discovery stop event\n");
sassc->flags &= ~MPRSAS_IN_DISCOVERY;
mprsas_discovery_end(sassc);
}
break;
}
case MPI2_EVENT_SAS_ENCL_DEVICE_STATUS_CHANGE:
{
Mpi2EventDataSasEnclDevStatusChange_t *data;
data = (Mpi2EventDataSasEnclDevStatusChange_t *)
fw_event->event_data;
mpr_mapping_enclosure_dev_status_change_event(sc,
fw_event->event_data);
break;
}
case MPI2_EVENT_IR_CONFIGURATION_CHANGE_LIST:
{
Mpi2EventIrConfigElement_t *element;
int i;
u8 foreign_config, reason;
u16 elementType;
Mpi2EventDataIrConfigChangeList_t *event_data;
struct mprsas_target *targ;
unsigned int id;
event_data = fw_event->event_data;
foreign_config = (le32toh(event_data->Flags) &
MPI2_EVENT_IR_CHANGE_FLAGS_FOREIGN_CONFIG) ? 1 : 0;
element =
(Mpi2EventIrConfigElement_t *)&event_data->ConfigElement[0];
id = mpr_mapping_get_raid_id_from_handle(sc,
element->VolDevHandle);
mpr_mapping_ir_config_change_event(sc, event_data);
for (i = 0; i < event_data->NumElements; i++, element++) {
reason = element->ReasonCode;
elementType = le16toh(element->ElementFlags) &
MPI2_EVENT_IR_CHANGE_EFLAGS_ELEMENT_TYPE_MASK;
/*
* check for element type of Phys Disk or Hot Spare
*/
if ((elementType !=
MPI2_EVENT_IR_CHANGE_EFLAGS_VOLPHYSDISK_ELEMENT)
&& (elementType !=
MPI2_EVENT_IR_CHANGE_EFLAGS_HOTSPARE_ELEMENT))
// do next element
goto skip_fp_send;
/*
* check for reason of Hide, Unhide, PD Created, or PD
* Deleted
*/
if ((reason != MPI2_EVENT_IR_CHANGE_RC_HIDE) &&
(reason != MPI2_EVENT_IR_CHANGE_RC_UNHIDE) &&
(reason != MPI2_EVENT_IR_CHANGE_RC_PD_CREATED) &&
(reason != MPI2_EVENT_IR_CHANGE_RC_PD_DELETED))
goto skip_fp_send;
// check for a reason of Hide or PD Created
if ((reason == MPI2_EVENT_IR_CHANGE_RC_HIDE) ||
(reason == MPI2_EVENT_IR_CHANGE_RC_PD_CREATED))
{
// build RAID Action message
Mpi2RaidActionRequest_t *action;
Mpi2RaidActionReply_t *reply;
struct mpr_command *cm;
int error = 0;
if ((cm = mpr_alloc_command(sc)) == NULL) {
printf("%s: command alloc failed\n",
__func__);
return;
}
mpr_dprint(sc, MPR_EVENT, "Sending FP action "
"from "
"MPI2_EVENT_IR_CONFIGURATION_CHANGE_LIST "
":\n");
action = (MPI2_RAID_ACTION_REQUEST *)cm->cm_req;
action->Function = MPI2_FUNCTION_RAID_ACTION;
action->Action =
MPI2_RAID_ACTION_PHYSDISK_HIDDEN;
action->PhysDiskNum = element->PhysDiskNum;
cm->cm_desc.Default.RequestFlags =
MPI2_REQ_DESCRIPT_FLAGS_DEFAULT_TYPE;
error = mpr_request_polled(sc, cm);
reply = (Mpi2RaidActionReply_t *)cm->cm_reply;
if (error || (reply == NULL)) {
/* FIXME */
/*
* If the poll returns error then we
* need to do diag reset
*/
printf("%s: poll for page completed "
"with error %d", __func__, error);
}
if (reply && (le16toh(reply->IOCStatus) &
MPI2_IOCSTATUS_MASK) !=
MPI2_IOCSTATUS_SUCCESS) {
mpr_dprint(sc, MPR_ERROR, "%s: error "
"sending RaidActionPage; "
"iocstatus = 0x%x\n", __func__,
le16toh(reply->IOCStatus));
}
if (cm)
mpr_free_command(sc, cm);
}
skip_fp_send:
mpr_dprint(sc, MPR_EVENT, "Received "
"MPI2_EVENT_IR_CONFIGURATION_CHANGE_LIST Reason "
"code %x:\n", element->ReasonCode);
switch (element->ReasonCode) {
case MPI2_EVENT_IR_CHANGE_RC_VOLUME_CREATED:
case MPI2_EVENT_IR_CHANGE_RC_ADDED:
if (!foreign_config) {
if (mprsas_volume_add(sc,
le16toh(element->VolDevHandle))) {
printf("%s: failed to add RAID "
"volume with handle 0x%x\n",
__func__, le16toh(element->
VolDevHandle));
}
}
break;
case MPI2_EVENT_IR_CHANGE_RC_VOLUME_DELETED:
case MPI2_EVENT_IR_CHANGE_RC_REMOVED:
/*
* Rescan after volume is deleted or removed.
*/
if (!foreign_config) {
if (id == MPR_MAP_BAD_ID) {
printf("%s: could not get ID "
"for volume with handle "
"0x%04x\n", __func__,
le16toh(element->
VolDevHandle));
break;
}
targ = &sassc->targets[id];
targ->handle = 0x0;
targ->encl_slot = 0x0;
targ->encl_handle = 0x0;
targ->encl_level_valid = 0x0;
targ->encl_level = 0x0;
targ->connector_name[0] = ' ';
targ->connector_name[1] = ' ';
targ->connector_name[2] = ' ';
targ->connector_name[3] = ' ';
targ->exp_dev_handle = 0x0;
targ->phy_num = 0x0;
targ->linkrate = 0x0;
mprsas_rescan_target(sc, targ);
printf("RAID target id 0x%x removed\n",
targ->tid);
}
break;
case MPI2_EVENT_IR_CHANGE_RC_PD_CREATED:
case MPI2_EVENT_IR_CHANGE_RC_HIDE:
/*
* Phys Disk of a volume has been created. Hide
* it from the OS.
*/
targ = mprsas_find_target_by_handle(sassc, 0,
element->PhysDiskDevHandle);
if (targ == NULL)
break;
targ->flags |= MPR_TARGET_FLAGS_RAID_COMPONENT;
mprsas_rescan_target(sc, targ);
break;
case MPI2_EVENT_IR_CHANGE_RC_PD_DELETED:
/*
* Phys Disk of a volume has been deleted.
* Expose it to the OS.
*/
if (mprsas_add_device(sc,
le16toh(element->PhysDiskDevHandle), 0)) {
printf("%s: failed to add device with "
"handle 0x%x\n", __func__,
le16toh(element->
PhysDiskDevHandle));
mprsas_prepare_remove(sassc,
le16toh(element->
PhysDiskDevHandle));
}
break;
}
}
/*
* refcount was incremented for this event in
* mprsas_evt_handler. Decrement it here because the event has
* been processed.
*/
mprsas_startup_decrement(sassc);
break;
}
case MPI2_EVENT_IR_VOLUME:
{
Mpi2EventDataIrVolume_t *event_data = fw_event->event_data;
/*
* Informational only.
*/
mpr_dprint(sc, MPR_EVENT, "Received IR Volume event:\n");
switch (event_data->ReasonCode) {
case MPI2_EVENT_IR_VOLUME_RC_SETTINGS_CHANGED:
mpr_dprint(sc, MPR_EVENT, " Volume Settings "
"changed from 0x%x to 0x%x for Volome with "
"handle 0x%x", le32toh(event_data->PreviousValue),
le32toh(event_data->NewValue),
le16toh(event_data->VolDevHandle));
break;
case MPI2_EVENT_IR_VOLUME_RC_STATUS_FLAGS_CHANGED:
mpr_dprint(sc, MPR_EVENT, " Volume Status "
"changed from 0x%x to 0x%x for Volome with "
"handle 0x%x", le32toh(event_data->PreviousValue),
le32toh(event_data->NewValue),
le16toh(event_data->VolDevHandle));
break;
case MPI2_EVENT_IR_VOLUME_RC_STATE_CHANGED:
mpr_dprint(sc, MPR_EVENT, " Volume State "
"changed from 0x%x to 0x%x for Volome with "
"handle 0x%x", le32toh(event_data->PreviousValue),
le32toh(event_data->NewValue),
le16toh(event_data->VolDevHandle));
u32 state;
struct mprsas_target *targ;
state = le32toh(event_data->NewValue);
switch (state) {
case MPI2_RAID_VOL_STATE_MISSING:
case MPI2_RAID_VOL_STATE_FAILED:
mprsas_prepare_volume_remove(sassc,
event_data->VolDevHandle);
break;
case MPI2_RAID_VOL_STATE_ONLINE:
case MPI2_RAID_VOL_STATE_DEGRADED:
case MPI2_RAID_VOL_STATE_OPTIMAL:
targ =
mprsas_find_target_by_handle(sassc,
0, event_data->VolDevHandle);
if (targ) {
printf("%s %d: Volume handle "
"0x%x is already added \n",
__func__, __LINE__,
event_data->VolDevHandle);
break;
}
if (mprsas_volume_add(sc,
le16toh(event_data->
VolDevHandle))) {
printf("%s: failed to add RAID "
"volume with handle 0x%x\n",
__func__, le16toh(
event_data->VolDevHandle));
}
break;
default:
break;
}
break;
default:
break;
}
break;
}
case MPI2_EVENT_IR_PHYSICAL_DISK:
{
Mpi2EventDataIrPhysicalDisk_t *event_data =
fw_event->event_data;
struct mprsas_target *targ;
/*
* Informational only.
*/
mpr_dprint(sc, MPR_EVENT, "Received IR Phys Disk event:\n");
switch (event_data->ReasonCode) {
case MPI2_EVENT_IR_PHYSDISK_RC_SETTINGS_CHANGED:
mpr_dprint(sc, MPR_EVENT, " Phys Disk Settings "
"changed from 0x%x to 0x%x for Phys Disk Number "
"%d and handle 0x%x at Enclosure handle 0x%x, Slot "
"%d", le32toh(event_data->PreviousValue),
le32toh(event_data->NewValue),
event_data->PhysDiskNum,
le16toh(event_data->PhysDiskDevHandle),
le16toh(event_data->EnclosureHandle),
le16toh(event_data->Slot));
break;
case MPI2_EVENT_IR_PHYSDISK_RC_STATUS_FLAGS_CHANGED:
mpr_dprint(sc, MPR_EVENT, " Phys Disk Status changed "
"from 0x%x to 0x%x for Phys Disk Number %d and "
"handle 0x%x at Enclosure handle 0x%x, Slot %d",
le32toh(event_data->PreviousValue),
le32toh(event_data->NewValue),
event_data->PhysDiskNum,
le16toh(event_data->PhysDiskDevHandle),
le16toh(event_data->EnclosureHandle),
le16toh(event_data->Slot));
break;
case MPI2_EVENT_IR_PHYSDISK_RC_STATE_CHANGED:
mpr_dprint(sc, MPR_EVENT, " Phys Disk State changed "
"from 0x%x to 0x%x for Phys Disk Number %d and "
"handle 0x%x at Enclosure handle 0x%x, Slot %d",
le32toh(event_data->PreviousValue),
le32toh(event_data->NewValue),
event_data->PhysDiskNum,
le16toh(event_data->PhysDiskDevHandle),
le16toh(event_data->EnclosureHandle),
le16toh(event_data->Slot));
switch (event_data->NewValue) {
case MPI2_RAID_PD_STATE_ONLINE:
case MPI2_RAID_PD_STATE_DEGRADED:
case MPI2_RAID_PD_STATE_REBUILDING:
case MPI2_RAID_PD_STATE_OPTIMAL:
case MPI2_RAID_PD_STATE_HOT_SPARE:
targ = mprsas_find_target_by_handle(
sassc, 0,
event_data->PhysDiskDevHandle);
if (targ) {
targ->flags |=
MPR_TARGET_FLAGS_RAID_COMPONENT;
printf("%s %d: Found Target "
"for handle 0x%x.\n",
__func__, __LINE__ ,
event_data->
PhysDiskDevHandle);
}
break;
case MPI2_RAID_PD_STATE_OFFLINE:
case MPI2_RAID_PD_STATE_NOT_CONFIGURED:
case MPI2_RAID_PD_STATE_NOT_COMPATIBLE:
default:
targ = mprsas_find_target_by_handle(
sassc, 0,
event_data->PhysDiskDevHandle);
if (targ) {
targ->flags |=
~MPR_TARGET_FLAGS_RAID_COMPONENT;
printf("%s %d: Found Target "
"for handle 0x%x. \n",
__func__, __LINE__ ,
event_data->
PhysDiskDevHandle);
}
break;
}
default:
break;
}
break;
}
case MPI2_EVENT_IR_OPERATION_STATUS:
{
Mpi2EventDataIrOperationStatus_t *event_data =
fw_event->event_data;
/*
* Informational only.
*/
mpr_dprint(sc, MPR_EVENT, "Received IR Op Status event:\n");
mpr_dprint(sc, MPR_EVENT, " RAID Operation of %d is %d "
"percent complete for Volume with handle 0x%x",
event_data->RAIDOperation, event_data->PercentComplete,
le16toh(event_data->VolDevHandle));
break;
}
case MPI2_EVENT_TEMP_THRESHOLD:
{
pMpi2EventDataTemperature_t temp_event;
temp_event = (pMpi2EventDataTemperature_t)fw_event->event_data;
/*
* The Temp Sensor Count must be greater than the event's Sensor
* Num to be valid. If valid, print the temp thresholds that
* have been exceeded.
*/
if (sc->iounit_pg8.NumSensors > temp_event->SensorNum) {
mpr_dprint(sc, MPR_FAULT, "Temperature Threshold flags "
"%s %s %s %s exceeded for Sensor: %d !!!\n",
((temp_event->Status & 0x01) == 1) ? "0 " : " ",
((temp_event->Status & 0x02) == 2) ? "1 " : " ",
((temp_event->Status & 0x04) == 4) ? "2 " : " ",
((temp_event->Status & 0x08) == 8) ? "3 " : " ",
temp_event->SensorNum);
mpr_dprint(sc, MPR_FAULT, "Current Temp in Celsius: "
"%d\n", temp_event->CurrentTemperature);
}
break;
}
case MPI2_EVENT_ACTIVE_CABLE_EXCEPTION:
{
pMpi26EventDataActiveCableExcept_t ace_event_data;
ace_event_data =
(pMpi26EventDataActiveCableExcept_t)fw_event->event_data;
if (ace_event_data->ReasonCode ==
MPI26_EVENT_ACTIVE_CABLE_INSUFFICIENT_POWER) {
mpr_printf(sc, "Currently an active cable with "
"ReceptacleID %d cannot be powered and device "
"connected to this active cable will not be seen. "
"This active cable requires %d mW of power.\n",
ace_event_data->ReceptacleID,
ace_event_data->ActiveCablePowerRequirement);
}
break;
}
case MPI2_EVENT_SAS_DEVICE_STATUS_CHANGE:
case MPI2_EVENT_SAS_BROADCAST_PRIMITIVE:
default:
mpr_dprint(sc, MPR_TRACE,"Unhandled event 0x%0X\n",
fw_event->event);
break;
}
mpr_dprint(sc, MPR_EVENT, "(%d)->(%s) Event Free: [%x]\n", event_count,
__func__, fw_event->event);
mprsas_fw_event_free(sc, fw_event);
}
void
mprsas_firmware_event_work(void *arg, int pending)
{
struct mpr_fw_event_work *fw_event;
struct mpr_softc *sc;
sc = (struct mpr_softc *)arg;
mpr_lock(sc);
while ((fw_event = TAILQ_FIRST(&sc->sassc->ev_queue)) != NULL) {
TAILQ_REMOVE(&sc->sassc->ev_queue, fw_event, ev_link);
mprsas_fw_work(sc, fw_event);
}
mpr_unlock(sc);
}
static int
mprsas_add_device(struct mpr_softc *sc, u16 handle, u8 linkrate){
char devstring[80];
struct mprsas_softc *sassc;
struct mprsas_target *targ;
Mpi2ConfigReply_t mpi_reply;
Mpi2SasDevicePage0_t config_page;
uint64_t sas_address, parent_sas_address = 0;
u32 device_info, parent_devinfo = 0;
unsigned int id;
int ret = 1, error = 0, i;
struct mprsas_lun *lun;
u8 is_SATA_SSD = 0;
struct mpr_command *cm;
sassc = sc->sassc;
mprsas_startup_increment(sassc);
if ((mpr_config_get_sas_device_pg0(sc, &mpi_reply, &config_page,
MPI2_SAS_DEVICE_PGAD_FORM_HANDLE, handle))) {
printf("%s: error reading SAS device page0\n", __func__);
error = ENXIO;
goto out;
}
device_info = le32toh(config_page.DeviceInfo);
if (((device_info & MPI2_SAS_DEVICE_INFO_SMP_TARGET) == 0)
&& (le16toh(config_page.ParentDevHandle) != 0)) {
Mpi2ConfigReply_t tmp_mpi_reply;
Mpi2SasDevicePage0_t parent_config_page;
if ((mpr_config_get_sas_device_pg0(sc, &tmp_mpi_reply,
&parent_config_page, MPI2_SAS_DEVICE_PGAD_FORM_HANDLE,
le16toh(config_page.ParentDevHandle)))) {
printf("%s: error reading SAS device %#x page0\n",
__func__, le16toh(config_page.ParentDevHandle));
} else {
parent_sas_address = parent_config_page.SASAddress.High;
parent_sas_address = (parent_sas_address << 32) |
parent_config_page.SASAddress.Low;
parent_devinfo = le32toh(parent_config_page.DeviceInfo);
}
}
/* TODO Check proper endianness */
sas_address = config_page.SASAddress.High;
sas_address = (sas_address << 32) | config_page.SASAddress.Low;
mpr_dprint(sc, MPR_INFO, "SAS Address from SAS device page0 = %jx\n",
sas_address);
/*
* Always get SATA Identify information because this is used to
* determine if Start/Stop Unit should be sent to the drive when the
* system is shutdown.
*/
if (device_info & MPI2_SAS_DEVICE_INFO_SATA_DEVICE) {
ret = mprsas_get_sas_address_for_sata_disk(sc, &sas_address,
handle, device_info, &is_SATA_SSD);
if (ret) {
mpr_dprint(sc, MPR_ERROR, "%s: failed to get disk type "
"(SSD or HDD) for SATA device with handle 0x%04x\n",
__func__, handle);
} else {
mpr_dprint(sc, MPR_INFO, "SAS Address from SATA "
"device = %jx\n", sas_address);
}
}
/*
* use_phynum:
* 1 - use the PhyNum field as a fallback to the mapping logic
* 0 - never use the PhyNum field
* -1 - only use the PhyNum field
*/
id = MPR_MAP_BAD_ID;
if (sc->use_phynum != -1)
id = mpr_mapping_get_sas_id(sc, sas_address, handle);
if (id == MPR_MAP_BAD_ID) {
if ((sc->use_phynum == 0)
|| ((id = config_page.PhyNum) > sassc->maxtargets)) {
mpr_dprint(sc, MPR_INFO, "failure at %s:%d/%s()! "
"Could not get ID for device with handle 0x%04x\n",
__FILE__, __LINE__, __func__, handle);
error = ENXIO;
goto out;
}
}
if (mprsas_check_id(sassc, id) != 0) {
device_printf(sc->mpr_dev, "Excluding target id %d\n", id);
error = ENXIO;
goto out;
}
targ = &sassc->targets[id];
if (targ->handle != 0x0) {
mpr_dprint(sc, MPR_MAPPING, "Attempting to reuse target id "
"%d handle 0x%04x\n", id, targ->handle);
error = ENXIO;
goto out;
}
mpr_dprint(sc, MPR_MAPPING, "SAS Address from SAS device page0 = %jx\n",
sas_address);
targ->devinfo = device_info;
targ->devname = le32toh(config_page.DeviceName.High);
targ->devname = (targ->devname << 32) |
le32toh(config_page.DeviceName.Low);
targ->encl_handle = le16toh(config_page.EnclosureHandle);
targ->encl_slot = le16toh(config_page.Slot);
targ->encl_level = config_page.EnclosureLevel;
targ->connector_name[0] = config_page.ConnectorName[0];
targ->connector_name[1] = config_page.ConnectorName[1];
targ->connector_name[2] = config_page.ConnectorName[2];
targ->connector_name[3] = config_page.ConnectorName[3];
targ->handle = handle;
targ->parent_handle = le16toh(config_page.ParentDevHandle);
targ->sasaddr = mpr_to_u64(&config_page.SASAddress);
targ->parent_sasaddr = le64toh(parent_sas_address);
targ->parent_devinfo = parent_devinfo;
targ->tid = id;
targ->linkrate = (linkrate>>4);
targ->flags = 0;
if (is_SATA_SSD) {
targ->flags = MPR_TARGET_IS_SATA_SSD;
}
if (le16toh(config_page.Flags) &
MPI25_SAS_DEVICE0_FLAGS_FAST_PATH_CAPABLE) {
targ->scsi_req_desc_type =
MPI25_REQ_DESCRIPT_FLAGS_FAST_PATH_SCSI_IO;
}
if (le16toh(config_page.Flags) &
MPI2_SAS_DEVICE0_FLAGS_ENCL_LEVEL_VALID) {
targ->encl_level_valid = TRUE;
}
TAILQ_INIT(&targ->commands);
TAILQ_INIT(&targ->timedout_commands);
while (!SLIST_EMPTY(&targ->luns)) {
lun = SLIST_FIRST(&targ->luns);
SLIST_REMOVE_HEAD(&targ->luns, lun_link);
free(lun, M_MPR);
}
SLIST_INIT(&targ->luns);
mpr_describe_devinfo(targ->devinfo, devstring, 80);
mpr_dprint(sc, (MPR_INFO|MPR_MAPPING), "Found device <%s> <%s> "
"handle<0x%04x> enclosureHandle<0x%04x> slot %d\n", devstring,
mpr_describe_table(mpr_linkrate_names, targ->linkrate),
targ->handle, targ->encl_handle, targ->encl_slot);
if (targ->encl_level_valid) {
mpr_dprint(sc, (MPR_INFO|MPR_MAPPING), "At enclosure level %d "
"and connector name (%4s)\n", targ->encl_level,
targ->connector_name);
}
#if ((__FreeBSD_version >= 1000000) && (__FreeBSD_version < 1000039)) || \
(__FreeBSD_version < 902502)
if ((sassc->flags & MPRSAS_IN_STARTUP) == 0)
#endif
mprsas_rescan_target(sc, targ);
mpr_dprint(sc, MPR_MAPPING, "Target id 0x%x added\n", targ->tid);
/*
* Check all commands to see if the SATA_ID_TIMEOUT flag has been set.
* If so, send a Target Reset TM to the target that was just created.
* An Abort Task TM should be used instead of a Target Reset, but that
* would be much more difficult because targets have not been fully
* discovered yet, and LUN's haven't been setup. So, just reset the
* target instead of the LUN.
*/
for (i = 1; i < sc->num_reqs; i++) {
cm = &sc->commands[i];
if (cm->cm_flags & MPR_CM_FLAGS_SATA_ID_TIMEOUT) {
targ->timeouts++;
cm->cm_state = MPR_CM_STATE_TIMEDOUT;
if ((targ->tm = mprsas_alloc_tm(sc)) != NULL) {
mpr_dprint(sc, MPR_INFO, "%s: sending Target "
"Reset for stuck SATA identify command "
"(cm = %p)\n", __func__, cm);
targ->tm->cm_targ = targ;
mprsas_send_reset(sc, targ->tm,
MPI2_SCSITASKMGMT_TASKTYPE_TARGET_RESET);
} else {
mpr_dprint(sc, MPR_ERROR, "Failed to allocate "
"tm for Target Reset after SATA ID command "
"timed out (cm %p)\n", cm);
}
/*
* No need to check for more since the target is
* already being reset.
*/
break;
}
}
out:
/*
* Free the commands that may not have been freed from the SATA ID call
*/
for (i = 1; i < sc->num_reqs; i++) {
cm = &sc->commands[i];
if (cm->cm_flags & MPR_CM_FLAGS_SATA_ID_TIMEOUT) {
mpr_free_command(sc, cm);
}
}
mprsas_startup_decrement(sassc);
return (error);
}
int
mprsas_get_sas_address_for_sata_disk(struct mpr_softc *sc,
u64 *sas_address, u16 handle, u32 device_info, u8 *is_SATA_SSD)
{
Mpi2SataPassthroughReply_t mpi_reply;
int i, rc, try_count;
u32 *bufferptr;
union _sata_sas_address hash_address;
struct _ata_identify_device_data ata_identify;
u8 buffer[MPT2SAS_MN_LEN + MPT2SAS_SN_LEN];
u32 ioc_status;
u8 sas_status;
memset(&ata_identify, 0, sizeof(ata_identify));
try_count = 0;
do {
rc = mprsas_get_sata_identify(sc, handle, &mpi_reply,
(char *)&ata_identify, sizeof(ata_identify), device_info);
try_count++;
ioc_status = le16toh(mpi_reply.IOCStatus)
& MPI2_IOCSTATUS_MASK;
sas_status = mpi_reply.SASStatus;
switch (ioc_status) {
case MPI2_IOCSTATUS_SUCCESS:
break;
case MPI2_IOCSTATUS_SCSI_PROTOCOL_ERROR:
/* No sense sleeping. this error won't get better */
break;
default:
if (sc->spinup_wait_time > 0) {
mpr_dprint(sc, MPR_INFO, "Sleeping %d seconds "
"after SATA ID error to wait for spinup\n",
sc->spinup_wait_time);
msleep(&sc->msleep_fake_chan, &sc->mpr_mtx, 0,
"mprid", sc->spinup_wait_time * hz);
}
}
} while (((rc && (rc != EWOULDBLOCK)) ||
(ioc_status && (ioc_status != MPI2_IOCSTATUS_SCSI_PROTOCOL_ERROR))
|| sas_status) && (try_count < 5));
if (rc == 0 && !ioc_status && !sas_status) {
mpr_dprint(sc, MPR_MAPPING, "%s: got SATA identify "
"successfully for handle = 0x%x with try_count = %d\n",
__func__, handle, try_count);
} else {
mpr_dprint(sc, MPR_MAPPING, "%s: handle = 0x%x failed\n",
__func__, handle);
return -1;
}
/* Copy & byteswap the 40 byte model number to a buffer */
for (i = 0; i < MPT2SAS_MN_LEN; i += 2) {
buffer[i] = ((u8 *)ata_identify.model_number)[i + 1];
buffer[i + 1] = ((u8 *)ata_identify.model_number)[i];
}
/* Copy & byteswap the 20 byte serial number to a buffer */
for (i = 0; i < MPT2SAS_SN_LEN; i += 2) {
buffer[MPT2SAS_MN_LEN + i] =
((u8 *)ata_identify.serial_number)[i + 1];
buffer[MPT2SAS_MN_LEN + i + 1] =
((u8 *)ata_identify.serial_number)[i];
}
bufferptr = (u32 *)buffer;
/* There are 60 bytes to hash down to 8. 60 isn't divisible by 8,
* so loop through the first 56 bytes (7*8),
* and then add in the last dword.
*/
hash_address.word.low = 0;
hash_address.word.high = 0;
for (i = 0; (i < ((MPT2SAS_MN_LEN+MPT2SAS_SN_LEN)/8)); i++) {
hash_address.word.low += *bufferptr;
bufferptr++;
hash_address.word.high += *bufferptr;
bufferptr++;
}
/* Add the last dword */
hash_address.word.low += *bufferptr;
/* Make sure the hash doesn't start with 5, because it could clash
* with a SAS address. Change 5 to a D.
*/
if ((hash_address.word.high & 0x000000F0) == (0x00000050))
hash_address.word.high |= 0x00000080;
*sas_address = (u64)hash_address.wwid[0] << 56 |
(u64)hash_address.wwid[1] << 48 | (u64)hash_address.wwid[2] << 40 |
(u64)hash_address.wwid[3] << 32 | (u64)hash_address.wwid[4] << 24 |
(u64)hash_address.wwid[5] << 16 | (u64)hash_address.wwid[6] << 8 |
(u64)hash_address.wwid[7];
if (ata_identify.rotational_speed == 1) {
*is_SATA_SSD = 1;
}
return 0;
}
static int
mprsas_get_sata_identify(struct mpr_softc *sc, u16 handle,
Mpi2SataPassthroughReply_t *mpi_reply, char *id_buffer, int sz, u32 devinfo)
{
Mpi2SataPassthroughRequest_t *mpi_request;
Mpi2SataPassthroughReply_t *reply;
struct mpr_command *cm;
char *buffer;
int error = 0;
buffer = malloc( sz, M_MPR, M_NOWAIT | M_ZERO);
if (!buffer)
return ENOMEM;
if ((cm = mpr_alloc_command(sc)) == NULL) {
free(buffer, M_MPR);
return (EBUSY);
}
mpi_request = (MPI2_SATA_PASSTHROUGH_REQUEST *)cm->cm_req;
bzero(mpi_request,sizeof(MPI2_SATA_PASSTHROUGH_REQUEST));
mpi_request->Function = MPI2_FUNCTION_SATA_PASSTHROUGH;
mpi_request->VF_ID = 0;
mpi_request->DevHandle = htole16(handle);
mpi_request->PassthroughFlags = (MPI2_SATA_PT_REQ_PT_FLAGS_PIO |
MPI2_SATA_PT_REQ_PT_FLAGS_READ);
mpi_request->DataLength = htole32(sz);
mpi_request->CommandFIS[0] = 0x27;
mpi_request->CommandFIS[1] = 0x80;
mpi_request->CommandFIS[2] = (devinfo &
MPI2_SAS_DEVICE_INFO_ATAPI_DEVICE) ? 0xA1 : 0xEC;
cm->cm_sge = &mpi_request->SGL;
cm->cm_sglsize = sizeof(MPI2_SGE_IO_UNION);
cm->cm_flags = MPR_CM_FLAGS_DATAIN;
cm->cm_desc.Default.RequestFlags = MPI2_REQ_DESCRIPT_FLAGS_DEFAULT_TYPE;
cm->cm_data = buffer;
cm->cm_length = htole32(sz);
/*
* Start a timeout counter specifically for the SATA ID command. This
* is used to fix a problem where the FW does not send a reply sometimes
* when a bad disk is in the topology. So, this is used to timeout the
* command so that processing can continue normally.
*/
mpr_dprint(sc, MPR_XINFO, "%s start timeout counter for SATA ID "
"command\n", __func__);
callout_reset(&cm->cm_callout, MPR_ATA_ID_TIMEOUT * hz,
mprsas_ata_id_timeout, cm);
error = mpr_wait_command(sc, cm, 60, CAN_SLEEP);
mpr_dprint(sc, MPR_XINFO, "%s stop timeout counter for SATA ID "
"command\n", __func__);
callout_stop(&cm->cm_callout);
reply = (Mpi2SataPassthroughReply_t *)cm->cm_reply;
if (error || (reply == NULL)) {
/* FIXME */
/*
* If the request returns an error then we need to do a diag
* reset
*/
printf("%s: request for page completed with error %d",
__func__, error);
error = ENXIO;
goto out;
}
bcopy(buffer, id_buffer, sz);
bcopy(reply, mpi_reply, sizeof(Mpi2SataPassthroughReply_t));
if ((le16toh(reply->IOCStatus) & MPI2_IOCSTATUS_MASK) !=
MPI2_IOCSTATUS_SUCCESS) {
printf("%s: error reading SATA PASSTHRU; iocstatus = 0x%x\n",
__func__, reply->IOCStatus);
error = ENXIO;
goto out;
}
out:
/*
* If the SATA_ID_TIMEOUT flag has been set for this command, don't free
* it. The command will be freed after sending a target reset TM. If
* the command did timeout, use EWOULDBLOCK.
*/
if ((cm->cm_flags & MPR_CM_FLAGS_SATA_ID_TIMEOUT) == 0)
mpr_free_command(sc, cm);
else if (error == 0)
error = EWOULDBLOCK;
cm->cm_data = NULL;
free(buffer, M_MPR);
return (error);
}
static void
mprsas_ata_id_timeout(void *data)
{
struct mpr_softc *sc;
struct mpr_command *cm;
cm = (struct mpr_command *)data;
sc = cm->cm_sc;
mtx_assert(&sc->mpr_mtx, MA_OWNED);
mpr_dprint(sc, MPR_INFO, "%s checking ATA ID command %p sc %p\n",
__func__, cm, sc);
if ((callout_pending(&cm->cm_callout)) ||
(!callout_active(&cm->cm_callout))) {
mpr_dprint(sc, MPR_INFO, "%s ATA ID command almost timed out\n",
__func__);
return;
}
callout_deactivate(&cm->cm_callout);
/*
* Run the interrupt handler to make sure it's not pending. This
* isn't perfect because the command could have already completed
* and been re-used, though this is unlikely.
*/
mpr_intr_locked(sc);
if (cm->cm_state == MPR_CM_STATE_FREE) {
mpr_dprint(sc, MPR_INFO, "%s ATA ID command almost timed out\n",
__func__);
return;
}
mpr_dprint(sc, MPR_INFO, "ATA ID command timeout cm %p\n", cm);
/*
* Send wakeup() to the sleeping thread that issued this ATA ID command.
* wakeup() will cause msleep to return a 0 (not EWOULDBLOCK), and this
* will keep reinit() from being called. This way, an Abort Task TM can
* be issued so that the timed out command can be cleared. The Abort
* Task cannot be sent from here because the driver has not completed
* setting up targets. Instead, the command is flagged so that special
* handling will be used to send the abort.
*/
cm->cm_flags |= MPR_CM_FLAGS_SATA_ID_TIMEOUT;
wakeup(cm);
}
static int
mprsas_volume_add(struct mpr_softc *sc, u16 handle)
{
struct mprsas_softc *sassc;
struct mprsas_target *targ;
u64 wwid;
unsigned int id;
int error = 0;
struct mprsas_lun *lun;
sassc = sc->sassc;
mprsas_startup_increment(sassc);
/* wwid is endian safe */
mpr_config_get_volume_wwid(sc, handle, &wwid);
if (!wwid) {
printf("%s: invalid WWID; cannot add volume to mapping table\n",
__func__);
error = ENXIO;
goto out;
}
id = mpr_mapping_get_raid_id(sc, wwid, handle);
if (id == MPR_MAP_BAD_ID) {
printf("%s: could not get ID for volume with handle 0x%04x and "
"WWID 0x%016llx\n", __func__, handle,
(unsigned long long)wwid);
error = ENXIO;
goto out;
}
targ = &sassc->targets[id];
targ->tid = id;
targ->handle = handle;
targ->devname = wwid;
TAILQ_INIT(&targ->commands);
TAILQ_INIT(&targ->timedout_commands);
while (!SLIST_EMPTY(&targ->luns)) {
lun = SLIST_FIRST(&targ->luns);
SLIST_REMOVE_HEAD(&targ->luns, lun_link);
free(lun, M_MPR);
}
SLIST_INIT(&targ->luns);
#if ((__FreeBSD_version >= 1000000) && (__FreeBSD_version < 1000039)) || \
(__FreeBSD_version < 902502)
if ((sassc->flags & MPRSAS_IN_STARTUP) == 0)
#endif
mprsas_rescan_target(sc, targ);
mpr_dprint(sc, MPR_MAPPING, "RAID target id %d added (WWID = 0x%jx)\n",
targ->tid, wwid);
out:
mprsas_startup_decrement(sassc);
return (error);
}
/**
* mprsas_SSU_to_SATA_devices
* @sc: per adapter object
*
* Looks through the target list and issues a StartStopUnit SCSI command to each
* SATA direct-access device. This helps to ensure that data corruption is
* avoided when the system is being shut down. This must be called after the IR
* System Shutdown RAID Action is sent if in IR mode.
*
* Return nothing.
*/
static void
mprsas_SSU_to_SATA_devices(struct mpr_softc *sc)
{
struct mprsas_softc *sassc = sc->sassc;
union ccb *ccb;
path_id_t pathid = cam_sim_path(sassc->sim);
target_id_t targetid;
struct mprsas_target *target;
char path_str[64];
struct timeval cur_time, start_time;
mpr_lock(sc);
/*
* For each target, issue a StartStopUnit command to stop the device.
*/
sc->SSU_started = TRUE;
sc->SSU_refcount = 0;
for (targetid = 0; targetid < sc->facts->MaxTargets; targetid++) {
target = &sassc->targets[targetid];
if (target->handle == 0x0) {
continue;
}
/*
* The stop_at_shutdown flag will be set if this device is
* a SATA direct-access end device.
*/
if (target->stop_at_shutdown) {
ccb = xpt_alloc_ccb_nowait();
if (ccb == NULL) {
mpr_dprint(sc, MPR_FAULT, "Unable to alloc CCB to stop "
"unit.\n");
return;
}
if (xpt_create_path(&ccb->ccb_h.path, xpt_periph,
pathid, targetid, CAM_LUN_WILDCARD) !=
CAM_REQ_CMP) {
mpr_dprint(sc, MPR_ERROR, "Unable to create "
"path to stop unit.\n");
xpt_free_ccb(ccb);
return;
}
xpt_path_string(ccb->ccb_h.path, path_str,
sizeof(path_str));
mpr_dprint(sc, MPR_INFO, "Sending StopUnit: path %s "
"handle %d\n", path_str, target->handle);
/*
* Issue a START STOP UNIT command for the target.
* Increment the SSU counter to be used to count the
* number of required replies.
*/
mpr_dprint(sc, MPR_INFO, "Incrementing SSU count\n");
sc->SSU_refcount++;
ccb->ccb_h.target_id =
xpt_path_target_id(ccb->ccb_h.path);
ccb->ccb_h.ppriv_ptr1 = sassc;
scsi_start_stop(&ccb->csio,
/*retries*/0,
mprsas_stop_unit_done,
MSG_SIMPLE_Q_TAG,
/*start*/FALSE,
/*load/eject*/0,
/*immediate*/FALSE,
MPR_SENSE_LEN,
/*timeout*/10000);
xpt_action(ccb);
}
}
mpr_unlock(sc);
/*
* Wait until all of the SSU commands have completed or time has
* expired (60 seconds). Pause for 100ms each time through. If any
* command times out, the target will be reset in the SCSI command
* timeout routine.
*/
getmicrotime(&start_time);
while (sc->SSU_refcount) {
pause("mprwait", hz/10);
getmicrotime(&cur_time);
if ((cur_time.tv_sec - start_time.tv_sec) > 60) {
mpr_dprint(sc, MPR_ERROR, "Time has expired waiting "
"for SSU commands to complete.\n");
break;
}
}
}
static void
mprsas_stop_unit_done(struct cam_periph *periph, union ccb *done_ccb)
{
struct mprsas_softc *sassc;
char path_str[64];
if (done_ccb == NULL)
return;
sassc = (struct mprsas_softc *)done_ccb->ccb_h.ppriv_ptr1;
xpt_path_string(done_ccb->ccb_h.path, path_str, sizeof(path_str));
mpr_dprint(sassc->sc, MPR_INFO, "Completing stop unit for %s\n",
path_str);
/*
* Nothing more to do except free the CCB and path. If the command
* timed out, an abort reset, then target reset will be issued during
* the SCSI Command process.
*/
xpt_free_path(done_ccb->ccb_h.path);
xpt_free_ccb(done_ccb);
}
/**
* mprsas_ir_shutdown - IR shutdown notification
* @sc: per adapter object
*
* Sending RAID Action to alert the Integrated RAID subsystem of the IOC that
* the host system is shutting down.
*
* Return nothing.
*/
void
mprsas_ir_shutdown(struct mpr_softc *sc)
{
u16 volume_mapping_flags;
u16 ioc_pg8_flags = le16toh(sc->ioc_pg8.Flags);
struct dev_mapping_table *mt_entry;
u32 start_idx, end_idx;
unsigned int id, found_volume = 0;
struct mpr_command *cm;
Mpi2RaidActionRequest_t *action;
target_id_t targetid;
struct mprsas_target *target;
mpr_dprint(sc, MPR_TRACE, "%s\n", __func__);
/* is IR firmware build loaded? */
if (!sc->ir_firmware)
goto out;
/* are there any volumes? Look at IR target IDs. */
// TODO-later, this should be looked up in the RAID config structure
// when it is implemented.
volume_mapping_flags = le16toh(sc->ioc_pg8.IRVolumeMappingFlags) &
MPI2_IOCPAGE8_IRFLAGS_MASK_VOLUME_MAPPING_MODE;
if (volume_mapping_flags == MPI2_IOCPAGE8_IRFLAGS_LOW_VOLUME_MAPPING) {
start_idx = 0;
if (ioc_pg8_flags & MPI2_IOCPAGE8_FLAGS_RESERVED_TARGETID_0)
start_idx = 1;
} else
start_idx = sc->max_devices - sc->max_volumes;
end_idx = start_idx + sc->max_volumes - 1;
for (id = start_idx; id < end_idx; id++) {
mt_entry = &sc->mapping_table[id];
if ((mt_entry->physical_id != 0) &&
(mt_entry->missing_count == 0)) {
found_volume = 1;
break;
}
}
if (!found_volume)
goto out;
if ((cm = mpr_alloc_command(sc)) == NULL) {
printf("%s: command alloc failed\n", __func__);
goto out;
}
action = (MPI2_RAID_ACTION_REQUEST *)cm->cm_req;
action->Function = MPI2_FUNCTION_RAID_ACTION;
action->Action = MPI2_RAID_ACTION_SYSTEM_SHUTDOWN_INITIATED;
cm->cm_desc.Default.RequestFlags = MPI2_REQ_DESCRIPT_FLAGS_DEFAULT_TYPE;
mpr_lock(sc);
mpr_wait_command(sc, cm, 5, CAN_SLEEP);
mpr_unlock(sc);
/*
* Don't check for reply, just leave.
*/
if (cm)
mpr_free_command(sc, cm);
out:
/*
* All of the targets must have the correct value set for
* 'stop_at_shutdown' for the current 'enable_ssu' sysctl variable.
*
* The possible values for the 'enable_ssu' variable are:
* 0: disable to SSD and HDD
* 1: disable only to HDD (default)
* 2: disable only to SSD
* 3: enable to SSD and HDD
* anything else will default to 1.
*/
for (targetid = 0; targetid < sc->facts->MaxTargets; targetid++) {
target = &sc->sassc->targets[targetid];
if (target->handle == 0x0) {
continue;
}
if (target->supports_SSU) {
switch (sc->enable_ssu) {
case MPR_SSU_DISABLE_SSD_DISABLE_HDD:
target->stop_at_shutdown = FALSE;
break;
case MPR_SSU_DISABLE_SSD_ENABLE_HDD:
target->stop_at_shutdown = TRUE;
if (target->flags & MPR_TARGET_IS_SATA_SSD) {
target->stop_at_shutdown = FALSE;
}
break;
case MPR_SSU_ENABLE_SSD_ENABLE_HDD:
target->stop_at_shutdown = TRUE;
break;
case MPR_SSU_ENABLE_SSD_DISABLE_HDD:
default:
target->stop_at_shutdown = TRUE;
if ((target->flags &
MPR_TARGET_IS_SATA_SSD) == 0) {
target->stop_at_shutdown = FALSE;
}
break;
}
}
}
mprsas_SSU_to_SATA_devices(sc);
}
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